Power supply connection structure device

• US 10,056,721 B2
• Filed: 06/25/2016
• Issued: 08/21/2018
• Est. Priority Date: 12/24/2011
• Status: Active Grant

• Current Assignee: Shenzhen Skt Electrical Technology Co., Ltd.
• Original Assignee: Shenzhen Skt Electrical Technology Co., Ltd.
• Inventors: Lin, Shifeng
• Primary Examiner(s): Abrams, Neil
• Application Number:
  US15/193,051
• Publication Number:
  US 20160308312A1
• Time in Patent Office: 787 Days
• Field of Search: 439188, 200 5109
• CPC Class Codes: H01R 13/52 Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
• CPC Class Codes: H01R 13/521 Sealing between contact members and housing, e.g. sealing insert
• CPC Class Codes: H01R 13/652 with earth pin, blade or socket
• CPC Class Codes: H01R 13/7036 the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling
• CPC Class Codes: H01R 13/713 the switch being a safety switch
• CPC Class Codes: H01R 2103/00 Two poles
• CPC Class Codes: H01R 33/18 having only abutting contacts
• CPC Class Codes: H01R 33/22 for screw type base, e.g. for lamp
• CPC Class Codes: H01R 43/20 for assembling or disassembling contact members with insulating base, case or sleeve
• CPC Class Codes: Y10T 29/49117 Conductor or circuit manufacturing
• CPC Class Codes: Y10T 29/49208 by assembling plural parts

Abstract

The present invention relates to a power supply connection structure device, a manufacturing method thereof and a circuit connection method. The device, which is used to connect an electrical appliance to a power supply, includes a live wire and neutral wire connection unit and a control unit, the control unit is switched between an activation state and an idle state, when the control unit is in the idle state, the live wire and neutral wire connection unit is not connected to the power supply; and when the control unit is in the activation state, the control unit connects the live wire and neutral wire connection unit to the power supply, thus, by using the control unit, the power supply connection structure device is safe to use, is waterproof and prevents from electric shock. The control unit may include a push member located in a ground wire plughole and operable to turn on two micro-switches, one for the live terminal, the other one for the neutral terminal.

Claims

1. A power supply connection structure device for electrically connecting an electric appliance to a power source, comprising:

a first electric connection having a live terminal;

a second electric connection unit having a neutral terminal; and

a control unit which comprises a micro-switch for said live terminal and another micro switch for said neutral terminal, wherein said control unit is operable between an idle state in which said first and second electric connection units are not connected to said power source and an activation state in which said two micro-switches of said control unit electrically connect said first and second electric connection units with said power source and said electric appliance through said live terminal and neutral terminal, so as to electrically connect an electric circuit between said power supply connection structure device, said power source and said electric appliance, thereby said power source provides a power supply to said electric appliance;

an electric circuit arrangement including a live wire access terminal and a neural wire access terminal, wherein said first electric connection unit is a live wire connection unit while said second electric connection unit is a neutral wire connection unit, wherein when said control unit is in said activation state, said two micro-switches electrically connect a first electric circuit between said live wire connection unit and said live wire access terminal, and a second electric circuit between said neutral wire connection unit and said neutral wire access terminal respectively, thereby said electric circuit between said power supply connection structure device, said electric appliance, and the power source is connected; and

a housing defining a receiving cavity for receiving said control unit and said electric circuit arrangement, wherein said housing further comprises a partition arrangement, wherein said live wire plug hole, said neutral wire plughole, and said ground wire plughole is formed at a first side of said partition arrangement, wherein said electric circuit arrangement is provided at an opposed second side of said partition arrangement, wherein said partition arrangement has a central hole which couples with said control unit, and three communication holes for said live wire connection terminal, said neutral wire connection terminal and said ground wire connection terminal to pass therethrough respectively and enable said live wire connection terminal, said neutral wire connection terminal and said ground wire connection terminal to be sealedly formed with said partition arrangement.

2. The power supply connection structure device, as recited claim 1, wherein said partition arrangement is made of waterproof material, wherein inner walls are formed around said live wire plughole, said neutral wire plughole, and said ground wire plughole with waterproof materials, wherein said live wire connecting terminal, said neutral wire connecting terminal, and said ground wire connecting terminal pass through said communicating holes respectively and are sealedly coupled with said partition arrangement, such that when said live wire plughole, said neutral wire plughole, and said ground wire plughole are all filled with water, the water will not pass through said partition arrangement and have contact with said electric circuit arrangement to provide waterproof effect and prevent electric shock.

3. The power supply connection structure device, as recited in claim 1, wherein said housing comprises a plurality of seals for preventing water from having access and said control unit comprises a seal made of waterproof material and provided in said ground wire plughole, wherein said seal is connected to a positioning member for mounting said push member and a receiving compartment is formed between said seal and said positioning member.

4. An electric socket for electrically connecting an electric appliance to a power source, comprising:

a live wire connecting unit having a liver wire plughole and including a live wire connection terminal;

a neutral wire connecting unit having a neutral wire plughole and including a neutral wire connection terminal;

a ground wire connecting unit having a ground wire plughole and including a ground wire connection terminal;

a liver wire access terminal and a neutral wire access terminal; and

a control unit comprising two micro-switches, a push member extending into said ground wire plughole, a retention pivot, and a retention element pivotally and rotatably coupled to said retention pivot in such a manner that an opening is formed between said retention element and said push member, wherein said retention element is detachably mounted to push member, wherein when a plug pin is inserted into said opening, said push member is detached from said retention element so as to switch on said micro-switches, wherein when three plug elements of the electric appliance are respectively inserted into said live wire plughole, said neutral wire plughole and said ground wire plughole, said three plug elements are respectively electrically connected to said live wire connection terminal, said neutral wire connection terminal and said ground wire connection terminal, while said push member is pushed by one of said three plug elements which is inserted into said ground wire plughole, and that said two micro-switches are switched on to electrically connect a first electric circuit between said live wire connection terminal and said live wire access terminal, and a second electric circuit between said neutral wire connection terminal and said neutral wire access terminal, so as to electrically connect the electric appliance and the power source trough said electric socket.

5. The electric socket, as recited in claim 4, wherein said control unit further comprises two actuation members parallelly and spacedly coupled to said push member, wherein each of said actuation member comprises an actuation arm and a drive arm which is extended from said actuation arm, wherein said actuation arm is driven by said push member and said reposition arrangement to reciprocate, wherein each of said micro-switches, which comprises a resilient element and an electric connection element which is an electric conductive element, operates as a switch for electrically connecting said electric circuits between said live and neutral wire connection terminals, and said live and neutral wire access terminals respectively, wherein when said push member is pressed, said actuation arm is pressed by said push member to drive said drive arm to bias against said resilient element, wherein said resilient element forces said electric connection element to move, so as to allow said electric connection elements to electrically connect said electric circuits between said live and neutral wire connection terminals, and said live and neutral wire access terminals respectively.

6. The electric socket, as recited in claim 5, wherein said retention element comprises a retainer arm and an actuator arm extended from said retainer arm, wherein said actuator arm is detachably coupled with said push member, wherein said actuator arm is formed with a groove, wherein said push member is provided with a hook which is adapted for detachably engaging with said groove in such manner that said actuator arm is detachably coupled with said push member.

7. The electric socket, as recited in claim 5, further comprising a housing including a partition arrangement, wherein said live wire plug hole, said neutral wire plughole, and said ground wire plughole is formed at a first side of said partition arrangement, wherein said live wire access terminal and said neutral wire access terminals are provided at an opposed second side of said partition arrangement, so as to prevent water from having contact with said live wire access terminal and said neutral wire access terminals, wherein said two micro-switches are provided at said opposed second side of said partition arrangement.

8. The electric socket, as recited in claim 7, wherein said partition arrangement is made of waterproof material, wherein inner walls are formed around said live wire plughole, said neutral wire plughole, and said ground wire plughole with waterproof materials, wherein said live wire connecting terminal, said neutral wire connecting terminal, and said ground wire connecting terminal pass through said communicating holes respectively and are sealedly coupled with said partition arrangement, such that when said live wire plughole, said neutral wire plughole, and said ground wire plughole are all filled with water, the water will not pass through said partition arrangement and have contact with said electric circuit arrangement to provide waterproof effect and prevent electric shock.

9. The electric socket, as recited in claim 7, wherein said housing comprises a plurality of seals for preventing water from having access and said control unit comprises a seal made of waterproof material and provided in said ground wire plughole.

10. An electric socket for electrically connecting an electric appliance to a power source, comprising:

a live wire connecting unit having a liver wire plughole and including a live wire connection terminal;

a neutral wire connecting unit having a neutral wire plughole and including a neutral wire connection terminal;

a ground wire connecting unit having a ground wire plughole and including a ground wire connection terminal;

a liver wire access terminal and a neutral wire access terminal;

a control unit comprising two micro-switches and a push member extending into said ground wire plughole, wherein when three plug elements of said electric appliance are respectively inserted into said live wire plughole, said neutral wire plughole and said ground wire plughole, said three plug elements are respectively electrically connected to said live wire connection terminal, said neutral wire connection terminal and said ground wire connection terminal, while said push member is pushed by one of said three plug elements which is inserted into said ground wire plughole, and that said two micro-switches are switched on to electrically connect a first electric circuit between said live wire connection terminal and said live wire access terminal, and a second electric circuit between said neutral wire connection terminal and said neutral wire access terminal, so as to electrically connect said electric appliance and said power source trough said electric socket; and

a housing including a partition arrangement, wherein said live wire plug hole, said neutral wire plughole, and said ground wire plughole is formed at a first side of said partition arrangement, wherein said live wire access terminal and said neutral wire access terminals are provided at an opposed second side of said partition arrangement, so as to prevent water from having contact with said live wire access terminal and said neutral wire access terminals.

11. The electric socket, as recited in claim 10, wherein said partition arrangement is made of waterproof material, wherein inner walls are formed around said live wire plughole, said neutral wire plughole, and said ground wire plughole with waterproof materials, wherein said live wire connecting terminal, said neutral wire connecting terminal, and said ground wire connecting terminal pass through said communicating holes respectively and are sealedly coupled with said partition arrangement, such that when said live wire plughole, said neutral wire plughole, and said ground wire plughole are all filled with water, the water will not pass through said partition arrangement and have contact with said electric circuit arrangement to provide waterproof effect and prevent electric shock.

12. The electric socket, as recited in claim 10, wherein said housing comprises a plurality of seals for preventing water from having access and said control unit comprises a seal made of waterproof material and provided in said ground wire plughole.

13. A method for electrically connecting an electric appliance to a power source via an electric socket, comprising the steps of:

(a) receiving three plug pins of said electric appliance in a live wire plughole, a neutral wire plughole, and a ground wire plughole respectively for electrically connecting said three plug pins to a live wire connecting terminal, a neutral wire connecting terminal, and a ground wire connecting terminal of said electric socket; and

(b) driving two micro-switches to switch on by pushing a push member which extends into said ground wire plughole by one of said three plug pins so as to electrically connect said live and neutral wire connection terminals with said live and neutral wire access terminals respectively, so that said electric circuit between said electric socket, said power source and said electric appliance is electrically connected, wherein when only one or both of said live wire plughole, and said neutral wire plughole are inserted with electric conductive objects while said push member is not being pressed, said electric circuits between said live and neutral wire connection terminals, and said live and neutral wire access terminals are not electrically connected so as to prevent an electric shock, wherein inner walls are formed around said live wire plughole, said neutral wire plughole, and said ground wire plughole with waterproof materials, wherein said live wire connecting terminal, said neutral wire connecting terminal, and said ground wire connecting terminal pass through said communicating holes respectively and are sealedly coupled with a partition arrangement, such that when said live wire plughole, said neutral wire plughole, and said ground wire plughole are all filled with water, the water will not pass through to provide waterproof effect and prevent electric shock.