CN217288895U

CN217288895U - Full-plastic spray gun with check valve plate of check valve

Info

Publication number: CN217288895U
Application number: CN202221192736.XU
Authority: CN
Inventors: 袁建军
Original assignee: Yuyao Tirrit Co Ltd
Current assignee: Yuyao Tirrit Co Ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-08-26
Anticipated expiration: 2032-05-17

Abstract

The utility model provides a take plastic spray gun of check valve piece, including dustcoat and the water guide of setting in the dustcoat, be equipped with cylinder and mixing chamber in the water guide, the bottom of mixing chamber and the pipe intercommunication of water guide lower extreme install the valve barrel in the mixing chamber, are equipped with first valve block and second valve block on the valve barrel, and the cover is equipped with the connecting piece on the mixing chamber, and the shower nozzle intercommunication in connecting channel and the water guide in the connecting piece, connecting channel's bottom and mixing chamber intercommunication. The utility model relates to a take plastic spray gun of check valve piece, cylinder and mixing chamber intercommunication on its water guide piece, and internally mounted has the valve barrel, and through the valve block on the valve barrel and the inner wall cooperation of mixing chamber, can realize rivers and the one-way operation of air current for spout liquid mouthful liquid can not flow back and influence the inside structure of spray gun, and the spare part of this spray gun all can be made with plastics simultaneously, environmental protection more when being convenient for retrieve.

Description

Full-plastic spray gun with check valve plate of check valve

Technical Field

The utility model relates to a spray gun technical field especially relates to a take plastic spray gun of check valve piece.

Background

The spray gun is a miniature manual spray gun which is mainly used for storing and taking various liquids, and is mostly a wrench type spray gun; the metal spring needs to be installed inside the existing spray gun, the spray gun is high in cost and easy to damage, the service life of the spray gun is affected, liquid of the existing spray gun is easy to flow back after liquid spraying, and the internal structure of the spray gun is easy to damage after long-time use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a take plastic spray gun of check valve piece to overcome the problem that liquid flows back easily behind the spray gun hydrojet among the prior art.

(II) technical scheme

In order to solve the technical problem, the utility model provides an all-plastic spray gun with check valve block, which comprises an outer cover and a water guide member arranged in the outer cover, wherein a cylinder and a mixing chamber are arranged in the water guide member, the cylinder is communicated with the mixing chamber through an air inlet, the air inlet can ventilate the mixing chamber, so that liquid is sprayed out from the water guide member after the internal air pressure is reduced, the bottom of the mixing chamber is communicated with a conduit at the lower end of the water guide member, the conduit is connected with an external bottle body, a valve sleeve is arranged in the mixing chamber, a first valve block and a second valve block are arranged on the valve sleeve, the first valve block is positioned below the air inlet, the second valve block is positioned above the air inlet, a connecting piece is sleeved on the mixing chamber, a connecting channel in the connecting piece is communicated with a spray head in the water guide member, and the bottom of the connecting channel is communicated with the mixing chamber, the first valve plate and the second valve plate are annular sheet bodies which are turned upwards, liquid in the guide pipe enters the mixing chamber and extrudes the first valve plate to enable the first valve plate to ascend after being deformed, gas in the cylinder enters the mixing chamber and extrudes the second valve plate to enable the second valve plate to ascend after being deformed, and finally water is sprayed out.

Furthermore, the top end of the valve sleeve is provided with an elastic annular sealing groove, the bottom of the connecting piece is provided with a sealing part, the sealing part is abutted against the annular sealing groove and communicated with the connecting channel, when water is sprayed, the water in the mixing chamber rises and then extrudes the annular sealing groove, so that the surface of the annular sealing groove is separated from the sealing part after falling, and at the moment, the water can enter the connecting channel and then is sprayed out from the spray head.

Furthermore, the top of valve barrel is equipped with a plurality of inlets, movable mounting has the piston in the cylinder, the end connection of piston is on the spanner, the water in the mixing chamber passes through the inlet with the contact of annular seal groove.

Furthermore, the spanner is hinged to the water guide piece, a spring is further installed on the water guide piece, one end of the spring is fixed to the water guide piece, the other end of the spring abuts against the spanner and is used for driving the spanner to reset, and a rotating head cap is installed at the end of the spray head and is used for controlling the spray head to be opened and closed.

(III) advantageous effects

The utility model relates to a take plastic spray gun of check valve piece, cylinder and mixing chamber intercommunication on its water guide piece, and internally mounted has the valve barrel, and through the valve block on the valve barrel and the inner wall cooperation of mixing chamber, can realize rivers and the one-way operation of air current for spout liquid mouthful liquid can not flow back and influence the inside structure of spray gun, and the spare part of this spray gun all can be made with plastics simultaneously, environmental protection more when being convenient for retrieve.

Drawings

FIG. 1 is a cross-sectional view of the all-plastic spray gun with check valve plate of the check valve of the present invention;

FIG. 2 is a sectional view of a water guide member of the all-plastic spray gun with a check valve plate of the check valve of the utility model;

FIG. 3 is a perspective view of the valve sleeve of the all-plastic spray gun with the check valve plate of the check valve of the present invention;

FIG. 4 is a sectional view of the valve sleeve of the all-plastic spray gun with the check valve plate of the check valve of the present invention;

FIG. 5 is a perspective view of the bottom of the connector of the all-plastic spray gun with check valve plate of the check valve of the present invention;

fig. 6 is a perspective view of the internal structure of the all-plastic spray gun with the check valve plate of the check valve of the present invention.

Wherein: the device comprises an outer cover 1, a water guide 2, a cylinder 3, a mixing chamber 4, an air inlet 5, a guide pipe 6, a valve sleeve 7, a first valve plate 8, a second valve plate 9, a connecting piece 10, a connecting channel 11, a nozzle 12, an annular sealing groove 13, a sealing part 14, a liquid inlet 15, a piston 16, a wrench 17, a spring 18 and a rotary head cap 19.

Detailed Description

Referring to fig. 1 to 6, in order to solve the above technical problems, the present invention provides an all-plastic spray gun with check valve plate, which comprises an outer cover 1 and a water guide 2 disposed in the outer cover 1, a cylinder 3 and a mixing chamber 4 are disposed in the water guide 2, the cylinder 3 is communicated with the mixing chamber 4 through an air inlet 5, a piston 16 is movably disposed in the cylinder 3, an end of the piston 16 is connected to a wrench 17, the wrench 17 can drive the piston 16 to move in the cylinder 3, so that external air is introduced into the mixing chamber 4 from the air inlet 5, a bottom of the mixing chamber 4 is communicated with a conduit 6 at a lower end of the water guide 2, the conduit 6 is connected with an external bottle body, a valve sleeve 7 is disposed in the mixing chamber 4, a first valve plate 8 and a second valve plate 9 are disposed on the valve sleeve 7, wherein the first valve plate 8 is disposed below the air inlet 5, the second valve plate 9 is disposed above the air inlet 5, a connecting member 10 is sleeved on the mixing chamber 4, a connecting channel 11 in the connecting piece 10 is communicated with a spray head 12 in the water guide piece 2, and the bottom of the connecting channel 11 is communicated with the mixing chamber 4; specifically, the first valve plate 8 and the second valve plate 9 are circular ring-shaped sheet bodies which are turned upwards, and are attached to the inner wall of the mixing chamber 4, so that the function of a one-way valve is achieved, air at the air inlet 5 can only upwards deform the second valve plate 9 and then enter the mixing chamber 4, liquid at the pipe 6 can only upwards deform the first valve plate 8 and then enter the mixing chamber 4, the top end of the valve sleeve 7 is provided with an elastic annular sealing groove 13, the bottom of the connecting piece 10 is provided with a sealing part 14, the sealing part 14 abuts against the annular sealing groove 13 and is communicated with the connecting channel 11, the top end of the valve sleeve 7 is provided with a plurality of liquid inlets 15, the liquid in the mixing chamber 4 enters the annular sealing groove 13 from the liquid inlets 15 to the top end of the valve sleeve 7 and extrudes the annular sealing groove 13 to deform the valve sleeve downwards, at the moment, water can enter the connecting channel 11 from the sealing part from gaps and then is sprayed out from the spray head 12.

Referring to fig. 1 and 6, in this embodiment, a wrench 17 is hinged to the water guide member 2, a spring 18 is further installed on the water guide member 2, one end of the spring 18 is fixed to the water guide member 2, the other end of the spring abuts against the wrench 17, the wrench 17 and the piston 16 can be driven to reset by the spring 18, a rotating head cap 19 is installed at the end of the spray head 12, and the rotating head cap 19 is used for controlling the spray head 12 to be opened and closed after rotating.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a take plastic spray gun of check valve piece, includes dustcoat (1) and sets up water guide (2) in dustcoat (1), its characterized in that: an air cylinder (3) and a mixing chamber (4) are arranged in the water guide (2), the air cylinder (3) is communicated with the mixing chamber (4) through an air inlet (5), the bottom of the mixing chamber (4) is communicated with a conduit (6) at the lower end of the water guide (2), the guide pipe (6) is connected with an external bottle body, a valve sleeve (7) is arranged in the mixing chamber (4), the valve sleeve (7) is provided with a first valve plate (8) and a second valve plate (9), the first valve plate (8) is positioned below the air inlet (5), the second valve plate (9) is positioned above the air inlet (5), a connecting piece (10) is sleeved on the mixing chamber (4), a connecting channel (11) in the connecting piece (10) is communicated with a spray head (12) in the water guide piece (2), the bottom of the connecting channel (11) is communicated with the mixing chamber (4).

2. An all-plastic spray gun with a check valve and a check valve plate according to claim 1, characterized in that: elastic annular seal groove (13) are equipped with on the top of valve barrel (7), the bottom of connecting piece (10) is equipped with sealing (14), sealing (14) support and lean on annular seal groove (13) and with connect channel (11) switch-on.

3. An all-plastic spray gun with a check valve and a check valve plate according to claim 1, characterized in that: the first valve plate (8) and the second valve plate (9) are circular ring-shaped plate bodies which are turned upwards.

4. An all-plastic spray gun with a check valve and a check valve plate according to claim 1, characterized in that: the top end of the valve sleeve (7) is provided with a plurality of liquid inlets (15).

5. An all-plastic spray gun with a check valve and a check valve plate according to claim 1, characterized in that: a piston (16) is movably mounted in the cylinder (3), and the end part of the piston (16) is connected to a wrench (17).

6. An all-plastic spray gun with a check valve plate according to claim 5, characterized in that: the wrench (17) is hinged to the water guide piece (2), and a spring (18) is further mounted on the water guide piece (2).

7. An all-plastic spray gun with a check valve plate according to claim 6, characterized in that: one end of the spring (18) is fixed on the water guide piece (2), and the other end of the spring is abutted against the wrench (17).

8. An all-plastic spray gun with a check valve and a check valve plate according to claim 1, characterized in that: and a rotating head cap (19) is arranged at the end part of the spray head (12).