CN215795581U

CN215795581U - Hand-buckled spray gun

Info

Publication number: CN215795581U
Application number: CN202121875467.2U
Authority: CN
Inventors: 胡兴业
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-02-11
Anticipated expiration: 2031-08-10

Abstract

The utility model relates to a hand-buckled spray gun which comprises a spray head main body, a spray head, a piston and a wrench, wherein the inner side of the wrench is rotatably connected with the outer end of the piston, the upper end of the wrench is rotatably connected to the spray head main body, the upper end of the wrench is provided with a connecting arm extending outwards, the connecting arm is provided with a clamping groove capable of clamping the spray head main body, a limiting step capable of limiting the local part of the spray head main body in a reset state of the wrench is arranged in the clamping groove, and a limiting block capable of limiting the local part of the spray head main body in a pressed state of the wrench is arranged at the end opening of the clamping groove. The utility model has simple and reasonable structure, the connecting arm with the clamping groove is arranged on the wrench, the clamping groove clamps the nozzle main body and limits the position of the wrench respectively under the state that the wrench is reset or the wrench is pressed in place, thereby controlling the stroke of the wrench during each pressing and resetting to be the same, ensuring that the liquid output is uniform during each pressing and resetting, and improving the stability of the handle installation and action.

Description

Hand-buckled spray gun

Technical Field

The utility model relates to the technical field of solution pumps, in particular to a hand-buckled spray gun.

Background

At present, the application of the hand-buckled spray gun in the market is wider.

For example, the Chinese utility model publication No. CN213621240U entitled "air return device for hand-clasped sprayer nozzle" (application No. CN202022086418.2) discloses a structure, it comprises a spray head body, a nozzle and a handle are arranged on the spray head body, the nozzle is connected with a water spraying pipeline and a pump cavity, a connecting pipe is arranged under the spray head body and is connected with an inner plug and a bottle cap, a suction pipe is arranged in the inner plug and is communicated with the water spraying pipeline and the pump cavity through the inner plug, the bottle cap is connected with a spray container, a spacer bush is arranged in the connecting pipe below the spray head body, an annular cavity is formed between the spacer bush and the connecting pipe, the upper part of the inner plug is inserted into the annular cavity, the top of the annular cavity is provided with a nozzle body air return hole which is communicated with the outside, the outer wall of the spacer sleeve is provided with a valve sheet sleeve, the upper end of the valve sheet sleeve is provided with a valve sheet, the valve sheet is in sealing contact with the nozzle body air return hole, an inner plug air return hole is arranged in the inner plug, and the inner plug air return hole is communicated with the annular cavity.

In the above-mentioned sprinkler structure, the handle upper end is only through pin joint structure restraint on the sprinkler body, and not only joint strength is relatively poor, and moreover, the handle is pressing and the in-process that resets, and the stroke that presses and reset of handle is uncontrollable, leads to the play liquid volume of pressing at every turn inhomogeneous, and the cooperation stability of handle and sprinkler body is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of the prior art and provides a hand-buckled spray gun which can control the pressing and resetting strokes of a handle so as to ensure that the liquid outlet amount is uniform each time and the installation and action stability of the handle are improved.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a hand-clasping spray gun comprising:

the sprayer comprises a sprayer body, a spray head and a spray head, wherein the sprayer body is provided with an L-shaped liquid guide channel, the transverse part of the L-shaped liquid guide channel is positioned at the top, the vertical part of the L-shaped liquid guide channel is positioned at the lower part, one side of the vertical part of the L-shaped liquid guide channel is provided with an accommodating cavity, and the vertical part of the L-shaped liquid guide channel is communicated with the accommodating cavity;

the spray head is arranged at the front end of the transverse part of the L-shaped liquid guide channel;

the piston is arranged at the outer end of the accommodating cavity in a reciprocating manner and is used for forming the accommodating cavity into a closed inner cavity;

the wrench is arranged on one side of the piston and used for pushing the piston into the accommodating cavity;

the inboard and the piston outer end of spanner rotate to be connected, the spanner upper end is rotated and is connected in the shower nozzle main part, the spanner upper end has the linking arm of outside extension, and opens on this linking arm and to have the double-layered groove that can be wherein with shower nozzle main part centre gripping, is provided with the spacing step each other spacing with the part of shower nozzle main part in this double-layered groove under the spanner reset state, the port department in double-layered groove is provided with the stopper that can press down the state of targetting in place with the part of shower nozzle main part each other spacing at the spanner.

Preferably, the connecting piece that is located holding chamber top and vertical extension is equipped with in shower nozzle main part middle part, the shower nozzle main part is formed with the lug of being connected with the connecting piece rear end in the vertical part department that corresponds L shape drain channel, the double-layered groove is with connecting piece and lug centre gripping wherein jointly, and under the spanner reset state, spacing step offsets with the front side edge of lug, under the spanner state of pressing in place, the stopper offsets with the rear side edge of lug. The structure is convenient for controlling the stroke of pressing or resetting the wrench.

Preferably, the connecting arm comprises a first connecting arm and a second connecting arm which are arranged at intervals and extend forwards and backwards, the rear end of the first connecting arm is connected with a first elastic arm extending forwards, the rear end of the second connecting arm is connected with a second elastic arm extending forwards, the front end of the second elastic arm is mutually connected with the front end of the first elastic arm, and the space between the first elastic arm and the second elastic arm forms the clamping groove. This structure is favorable to improving spanner and shower nozzle main part complex stability.

Preferably, the width of the rear part of the clamping groove is larger than that of the front part, and the joint of the rear part and the front part of the clamping groove forms the limiting step. The first elastic arm and/or the second elastic arm are/is provided with the limiting block close to the rear end.

Preferably, the first elastic arm and/or the second elastic arm are/is provided with a guide block arranged along the edge of the clamping groove, and correspondingly, the spray head main body is provided with a guide groove capable of being in guide fit with the guide block. This structure is favorable to further improving spanner and shower nozzle main part complex stability.

Preferably, the front parts of the first elastic arm and the second elastic arm are respectively provided with reinforcing ribs extending outwards.

In order to facilitate connection and assembly, connecting shafts extending outwards are respectively arranged on two sides of the sprayer body, a pivoting arm capable of clamping the sprayer body from bottom to top is arranged at the upper end of the wrench, and a hole in running fit with the connecting shafts is formed in the pivoting arm. The inner side of the wrench is provided with a spherical groove at the position close to the upper end, the piston is provided with a connecting rod extending forwards, and the front end of the connecting rod is provided with a spherical structure which can be in running fit with the spherical groove.

In the utility model, the bottom wall of the rear end of the accommodating cavity is provided with a liquid through port, the spray head main body is provided with an inner sleeve arranged around the liquid through port and an outer sleeve arranged around the periphery of the inner sleeve and communicated with the lower port of the vertical part of the L-shaped liquid guide channel, the lower end of the outer sleeve is connected with a sealing plug, the bottom of the sealing plug seals the lower port of the outer sleeve, the middle part of the sealing plug is provided with a guide pipeline inserted in the inner sleeve and used for allowing liquid to enter the accommodating cavity from bottom to top, and a marble for communicating or separating the guide pipeline is arranged in the guide pipeline. By adopting the structure, the sealing performance in the liquid feeding process is improved, and the negative pressure loss is avoided, so that the spraying fineness is improved.

Compared with the prior art, the utility model has the advantages that: the utility model has simple and reasonable structure, the connecting arm with the clamping groove is arranged on the wrench, the clamping groove clamps the nozzle main body and limits the position of the wrench respectively under the state that the wrench is reset or the wrench is pressed in place, thereby controlling the stroke of the wrench during each pressing and resetting to be the same, ensuring that the liquid output is uniform during each pressing and resetting, and improving the stability of the handle installation and action.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an assembly view of the sprinkler body and wrench according to an embodiment of the present invention;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a schematic structural view of the middle wrench;

FIG. 5 is a schematic view of the structure of FIG. 4 from another angle;

FIG. 6 is a schematic view of the structure of FIG. 4 from a further angle;

fig. 7 is a partial cross-sectional view of an embodiment of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 7, the hand-buckled spray gun of the present embodiment includes a nozzle body 1, a nozzle 2, a piston 3, a wrench 4, a sealing plug 5 and a ball 6.

The nozzle body 1 is provided with an L-shaped liquid guide channel, a transverse part 11 of the L-shaped liquid guide channel is positioned at the top, a vertical part 12 of the L-shaped liquid guide channel is positioned at the lower part, one side of the vertical part 12 of the L-shaped liquid guide channel is provided with an accommodating cavity 13, and the vertical part 12 of the L-shaped liquid guide channel is communicated with the accommodating cavity 13. The spray head 2 is arranged at the front end of the transverse part 11 of the L-shaped liquid guide channel.

The bottom wall of the front end of the accommodating cavity 13 is provided with a ventilation port, the bottom wall of the rear end of the accommodating cavity 13 is provided with a liquid through port 131, the sprayer body 1 is provided with an inner sleeve 14 arranged around the liquid through port 131 and an outer sleeve 15 surrounding the periphery of the inner sleeve 14 and communicated with the lower port of the vertical part 12 of the L-shaped liquid guide channel, the lower end of the outer sleeve 15 is connected with a sealing plug 5, the lower port of the outer sleeve 15 is sealed by the bottom of the sealing plug 5, the middle part of the sealing plug 5 is provided with a guide pipeline 51 which is inserted into the inner sleeve 14 and allows liquid to enter the accommodating cavity 13 from bottom to top, and the guide pipeline 51 is internally provided with a marble 6 for communicating or separating the guide pipeline. The structure is beneficial to improving the sealing performance in the liquid feeding process, and avoids negative pressure loss, thereby improving the fineness of spraying.

The piston 3 is disposed at an outer end of the accommodating chamber 13 in a reciprocating manner and is used for forming a closed inner chamber of the accommodating chamber 13. The wrench 4 is arranged at the front side of the piston 3 and used for pushing the piston 3 into the accommodating cavity 13.

The inner side of the wrench 4 of this embodiment is rotatably connected to the outer end of the piston 3, the inner side of the wrench 4 is provided with a spherical groove 41 near the upper end, the piston 3 is provided with a connecting rod 31 extending forward, and the front end of the connecting rod 31 is provided with a spherical structure 311 capable of rotatably matching with the spherical groove 41. The upper end of the wrench 4 is rotatably connected to the nozzle body 1, the two sides of the nozzle body 1 are respectively provided with a connecting shaft 16 extending outwards, the upper end of the wrench 4 is provided with a pivoting arm 42 capable of clamping the nozzle body 1 therein from bottom to top, and the pivoting arm 42 is provided with a hole 421 rotatably matched with the connecting shaft 16.

The upper end of the wrench 4 has a connecting arm 43 extending outward, and the connecting arm 43 is provided with a clamping groove 430 capable of clamping the nozzle body 1 therein, a limiting step 401 capable of limiting with the local part of the nozzle body 1 in the reset state of the wrench 4 is arranged in the clamping groove 430, and a limiting block 402 capable of limiting with the local part of the nozzle body 1 in the pressed state of the wrench 4 is arranged at the port of the clamping groove 430.

Specifically, the connecting piece 17 which is located above the accommodating cavity 13 and extends vertically is arranged in the middle of the spray head main body 1, a protruding block 18 which is connected with the rear end of the connecting piece 17 is formed at the vertical part 12 corresponding to the L-shaped liquid guide channel of the spray head main body 1, the connecting piece 17 and the protruding block 18 are clamped together by the clamping groove 430, the limiting step 401 abuts against the front side edge of the protruding block 18 in the reset state of the wrench 4, and the limiting block 402 abuts against the rear side edge of the protruding block 18 in the in-place state of the wrench 4. The structure is convenient for controlling the stroke of pressing or resetting the wrench.

The connecting arm 43 includes a first connecting arm 431 and a second connecting arm 432 spaced apart from each other and extending forward and backward, a first elastic arm 433 extending forward is connected to a rear end of the first connecting arm 431, a second elastic arm 434 extending forward is connected to a rear end of the second connecting arm 432, a front end of the second elastic arm 434 is engaged with a front end of the first elastic arm 433, and a space between the first elastic arm 433 and the second elastic arm 434 forms the clip groove 430. The width of the rear part of the clamping groove 430 is larger than that of the front part, and the joint of the rear part and the front part of the clamping groove 430 forms a limit step 401. A stop block 402 is disposed on each of the first and second

resilient arms

433, 434 proximate the rear end.

The first elastic arm 433 and the second elastic arm 434 are provided with guide blocks 403 arranged along the edges of the clamping groove 430, and correspondingly, the spray head main body 1 is provided with a guide groove 19 capable of being in guide fit with the guide blocks 403. This structure is favorable to further improving the stability of spanner 4 and shower nozzle main part 1 complex.

The front parts of the first elastic arm 433 and the second elastic arm 434 are respectively provided with a reinforcing rib 435 extending outwards.

This embodiment simple structure, reasonable has set up the linking arm 43 that has the clamp groove 430 on spanner 4, and the clamp groove 430 is wherein with shower nozzle main part 1 centre gripping to reset at spanner 4 respectively or spanner 4 presses down the position of putting in place state to spanner 4 and carry out spacingly, thereby control spanner 4 press at every turn and the stroke that resets the same, make every time go out the liquid volume even, improve the stability of handle installation and action.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the utility model, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims

1. A hand-clasping spray gun comprising:

the method is characterized in that: the inboard and the piston outer end of spanner rotate to be connected, the spanner upper end is rotated and is connected in the shower nozzle main part, the spanner upper end has the linking arm of outside extension, and opens on this linking arm and to have the double-layered groove that can be wherein with shower nozzle main part centre gripping, is provided with the spacing step each other spacing with the part of shower nozzle main part in this double-layered groove under the spanner reset state, the port department in double-layered groove is provided with the stopper that can press down the state of targetting in place with the part of shower nozzle main part each other spacing at the spanner.

2. The pistol of claim 1, wherein: the sprayer comprises a sprayer body and is characterized in that a connecting piece which is located above an accommodating cavity and extends vertically is arranged in the middle of the sprayer body, a protruding block connected with the rear end of the connecting piece is formed at the position of the vertical portion of the sprayer body corresponding to an L-shaped liquid guide channel, the connecting piece and the protruding block are clamped together by a clamping groove, the limiting step abuts against the front side edge of the protruding block in the reset state of the wrench, and the limiting block abuts against the rear side edge of the protruding block in the in-place state of the wrench.

3. The pistol of claim 2, wherein: the connecting arm includes first connecting arm, the second connecting arm that interval arrangement and front and back extended, the rear end of first connecting arm is connected with the first elastic arm that extends forward, the rear end of second connecting arm is connected with the second elastic arm that extends forward, and the front end of this second elastic arm links up each other with the front end of first elastic arm, the space between first elastic arm and the second elastic arm constitutes the clamp groove.

4. The pistol of claim 3, wherein: the width of the rear part of the clamping groove is larger than that of the front part, and the joint of the rear part and the front part of the clamping groove forms the limiting step.

5. The pistol of claim 3, wherein: the first elastic arm and/or the second elastic arm are/is provided with the limiting block close to the rear end.

6. The pistol of claim 3, wherein: the first elastic arm and/or the second elastic arm are/is provided with guide blocks arranged along the edges of the clamping grooves, and correspondingly, the spray head main body is provided with guide grooves capable of being in guide fit with the guide blocks.

7. The pistol of claim 3, wherein: and reinforcing ribs extending outwards are respectively arranged at the front parts of the first elastic arm and the second elastic arm.

8. A hand button spray gun according to any one of claims 1 to 7, wherein: the shower nozzle comprises a shower nozzle body and is characterized in that connecting shafts extending outwards are respectively arranged on two sides of the shower nozzle body, a pivoting arm capable of clamping the shower nozzle body from bottom to top is arranged at the upper end of the wrench, and a hole in running fit with the connecting shafts is formed in the pivoting arm.

9. A hand button spray gun according to any one of claims 1 to 7, wherein: the inner side of the wrench is provided with a spherical groove at the position close to the upper end, the piston is provided with a connecting rod extending forwards, and the front end of the connecting rod is provided with a spherical structure which can be in running fit with the spherical groove.

10. A hand button spray gun according to any one of claims 1 to 7, wherein: the sprayer comprises a containing cavity, a nozzle body and a sealing plug, wherein a liquid inlet is formed in the bottom wall of the containing cavity, the bottom wall of the containing cavity is provided with a liquid inlet, the nozzle body is provided with an inner sleeve arranged around the liquid inlet and an outer sleeve arranged around the inner sleeve and communicated with the lower port of the vertical part of an L-shaped liquid guide channel, the lower end of the outer sleeve is connected with the sealing plug, the lower port of the outer sleeve is sealed by the bottom of the sealing plug, the middle part of the sealing plug is provided with a guide pipeline which is inserted into the inner sleeve and used for allowing liquid to enter the containing cavity from bottom to top, and a marble for communicating or separating the guide pipeline is arranged in the guide pipeline.