Spraying gun

• US 7,156,325 B1
• Filed: 01/03/2005
• Issued: 01/02/2007
• Est. Priority Date: 01/03/2005
• Status: Expired due to Fees

• Current Assignee: Shin Tai Spurt Water of the Garden Tools Co, LTD
• Original Assignee: Shin Tai Spurt Water of the Garden Tools Co, LTD
• Inventors: Chen, Chin-Yuan
• Primary Examiner(s): Ganey; Steven J.
• Application Number:
  US11/028,024
• Time in Patent Office: 729 Days
• Field of Search: 239/390, 239/391, 239/394, 239/525, 239/526, 239/530, 239/532
• US Class Current: 239/394
• CPC Class Codes: B05B 1/1636 by relative rotative movement of the valve elements B05B1/1672 takes precedence

Abstract

A spraying gun includes a water guide pipe, a control unit, and an injection unit. The injection unit includes a water guide member, a water control plate, a water injection ring, and a shade. Thus, the control unit can control the water to flow into different water channels of the water guide pipe, and the injection unit has corresponding water inlet hole, water outlet hole, water filling hole and nozzle to align with the respective water channel of the water guide pipe, so that different kinds of water flow are injected outward from the nozzles of the injection unit so as to change the sprinkling manner of the spraying gun.

Claims

1. A spraying gun, comprising a water guide pipe having an inside formed with a plurality of water channels, a control unit mounted on a first end of the water guide pipe, and an injection unit mounted on a second end of the water guide pipe, wherein:

the injection unit includes;

a water guide member mounted on the second end of the water guide pipe and having a first side formed with a plurality of water inlet holes each connected to a respective one of the water channels of the water guide pipe and a second side formed with a plurality of enlarged water outlet holes each connected to a respective one of the water inlet holes;

a water control plate mounted on the water guide member and formed with a plurality of water filling holes each connected to a respective one of the water outlet holes of the water guide member;

a water injection ring mounted on the water control plate and formed with a plurality of nozzles each connected to a respective one of the water filling holes of the water control plate;

wherein the water guide member has a periphery formed with a plurality of sockets, and the water control plate has a periphery formed with a plurality of plugs inserted into the sockets of the water guide member, so that the water control plate is secured on the water guide member.

2. The spraying gun in accordance with claim 1, wherein each of the water filling holes of the water control plate has a periphery provided with a bonding line bonded on a periphery of a respective one of the water outlet holes of the water guide member by a high frequency wave.

3. A spraying gun. comprising a water guide pipe having an inside formed with a plurality of water channels, a control unit mounted on a first end of the water guide pipe, and an injection unit mounted on a second end of the water guide pipe, wherein:

the injection unit includes;

a water guide member mounted on the second end of the water guide pipe and having a first side formed with a plurality of water inlet holes each connected to a respective one of the water channels of the water guide pipe and a second side formed with a plurality of enlarged water outlet holes each connected to a respective one of the water inlet holes;

a water control plate mounted on the water guide member and formed with a plurality of water filling holes each connected to a respective one of the water outlet holes of the water guide member;

a water injection ring mounted on the water control plate and formed with a plurality of nozzles each connected to a respective one of the water filling holes of the water control plate;

a shade mounted on the second end of the water guide pipe to cover the water guide member and the water control plate.

4. A spraying gun, comprising a water guide pipe having an inside formed with a plurality of water channels, a control unit mounted on a first end of the water guide pipe, and an injection unit mounted on a second end of the water guide pipe, wherein:

the injection unit includes;

a water guide member mounted on the second end of the water guide pipe and having a first side formed with a plurality of water inlet holes each connected to a respective one of the water channels of the water guide pipe and a second side formed with a plurality of enlarged water outlet holes each connected to a respective one of the water inlet holes;

a water control plate mounted on the water guide member and formed with a plurality of water filling holes each connected to a respective one of the water outlet holes of the water guide member;

a water injection ring mounted on the water control plate and formed with a plurality of nozzles each connected to a respective one of the water filling holes of the water control plate;

wherein the control unit includes a feeding member, a fitting member, an adjusting member, wherein;

the feeding member of the control unit has an end provided with a mounting portion having an inside formed with a water outlet;

the fitting member of the control unit is mounted on the mounting portion of the feeding member and has a first end formed with a water passage connected to the water outlet of the mounting portion of the feeding member and a second end mounted on the first end of the water guide pipe and formed with a plurality of water conduits each connected to a respective one of the water channels of the water guide pipe;

the adjusting member of the control unit is rotatably mounted on the first end of the fitting member and has a periphery formed with at least one water conducting hole connected to the water passage of the fitting member and selectively connected to either one of the water conduits of the fitting member.

5. The spraying gun in accordance with claim 4, wherein the mounting portion of the feeding member of the control unit has a periphery formed with an annular groove having a locking cavity, and the first end of the fitting member of the control unit is inserted into the groove of the mounting portion of the feeding member.

6. The spraying gun in accordance with claim 5, wherein the first end of the fitting member of the control unit has a locking block locked in the locking cavity of the groove of the mounting portion of the feeding member.

7. The spraying gun in accordance with claim 4, wherein the second end of the fitting member of the control unit has a periphery formed with a locking slot.

8. The spraying gun in accordance with claim 4, wherein the adjusting member of the control unit is located between the feeding member and the fitting member.

9. The spraying gun in accordance with claim 4, wherein the adjusting member of the control unit has an inside formed with a through hole mounted on the first end of the fitting member.

10. The spraying gun in accordance with claim 4, wherein the control unit further includes a jacket secured on the second end of the fitting member.

11. The spraying gun in accordance with claim 10, wherein the adjusting member of the control unit has an end formed with a plurality of positioning holes, and the jacket of the control unit has a bottom provided with a protruding positioning portion detachably positioned in either one of the positioning holes of the adjusting member.