CN218925027U

CN218925027U - Spray gun head

Info

Publication number: CN218925027U
Application number: CN202223538671.2U
Authority: CN
Inventors: 张婧祺; 付胜强; 雷骐尔; 陈一鸣; 肖宇航; 马熙阳
Original assignee: Northwestern Polytechnical University
Current assignee: Northwestern Polytechnical University
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-04-28
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a spray gun head, which comprises a spray gun body, a control wrench and a grip, wherein the spray gun body and the grip are integrated, the top end of the control wrench is movably connected with the middle of the spray gun body, and an auxiliary supporting structure is arranged on one side of the spray gun body and between the control wrench and the grip; according to the spray gun head, when the control wrench is stirred, the control wrench can slide along the inside of the sliding block through the connecting strip, so that the control wrench can be further supported, the control wrench is prevented from falling off due to overlarge stirring force of the control wrench, auxiliary limiting and guiding can be performed through the guide groove, the control wrench is prevented from exceeding the limit position when being pressed, the connecting column is in threaded connection with the sliding block by rotating the knob, the clamping block is aligned with the locking groove at the moment, the control wrench can be locked, continuous spraying can be ensured and the control wrench does not need to be pressed all the time during long-time spraying, and the intermittent condition during coating spraying is avoided.

Description

Spray gun head

Technical Field

The utility model relates to the field of spray guns, in particular to a spray gun head.

Background

The spray gun is a device which uses liquid or compressed air to release rapidly as power, when the compressed air generated by the air compressor is sprayed out through an air cap at the front part of the spray gun, a low pressure area lower than the atmospheric pressure is generated at the front part of a paint nozzle connected with the spray gun, paint is sucked out from a paint storage tank by the pressure difference generated at the mouth of the spray gun, and atomized into particles under the action of high-speed injection force of the compressed air to be sprayed on the surface of a coated object, and the particles are often applied to the surface treatment of sheet metal or furniture.

The existing spray gun head has certain defects, firstly, a control wrench is required to be pressed for a long time during spraying, after the control wrench is pressed for a long time, the control wrench is easy to exceed the limit position, so that the control wrench falls off, fingers are painful after the control wrench is pressed for a long time, the fingers are stiff or the hands are numb, even the spraying is caused to be in a discontinuous condition, the spraying is caused to be in a certain condition, the spraying is not carried out, the spraying is required to be carried out again in a place left, and the spraying progress and the spraying quality are affected.

Disclosure of Invention

The utility model mainly aims to provide a spray gun head which can effectively solve the technical problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the spray gun head comprises a spray gun body, a control wrench and a grip, wherein the spray gun body and the grip are integrated, the top end of the control wrench is movably connected with the middle of the spray gun body, and an auxiliary supporting structure is arranged on one side of the spray gun body and between the control wrench and the grip;

the auxiliary supporting structure comprises a connecting strip, the connecting strip is erected between the control wrench and the handle, one end of the connecting strip is provided with a connecting pin, the connecting strip is movably connected with the control wrench through the connecting pin, one end of the connecting strip, which is far away from the connecting pin, is provided with a guide groove, the inside of the guide groove is provided with a sliding block and a connecting column, the connecting column is in threaded connection with the sliding block, one end of the connecting column is movably connected with the handle, and the other end of the connecting column is welded with a knob.

As a preferable technical scheme of the utility model, the side wall of the sliding block is provided with a sliding groove matched with the guide groove, and the sliding groove of the sliding block is in sliding connection with the guide groove.

As a preferable technical scheme of the utility model, the end part of the connecting column is welded with a limiting end in the grip, and the limiting end of the connecting column is movably connected with the inside of the grip.

As a preferable technical scheme of the utility model, the joint surface of the sliding block and the guide groove is provided with a locking structure, the locking structure comprises a locking groove, the locking groove is arranged on the bottom surface of the guide groove, a matching groove is arranged in the sliding groove of the sliding block, a row of clamping blocks are embedded in the matching groove and are in sliding connection with the matching groove, the top end of each clamping block is provided with a telescopic spring, and two ends of each telescopic spring are respectively connected with the matching groove and the sliding block.

As a preferable technical scheme of the utility model, the height of the clamping blocks is smaller than or equal to the height of the matching grooves, and the distance between the locking grooves is the same as the interval between the clamping blocks.

As a preferable technical scheme of the utility model, the two sides of the matching groove are provided with chamfer angles.

Compared with the prior art, the utility model has the following beneficial effects: the auxiliary supporting structure is arranged in the utility model, when the control wrench is stirred, the control wrench can slide along the inside of the sliding block through the connecting strip, so that the control wrench can be further supported, the control wrench is prevented from falling down due to overlarge stirring force of the control wrench, auxiliary limiting and guiding can be performed through the guide groove, and the control wrench is prevented from exceeding the limit position when being pressed;

be provided with locking structure, rotate the knob and make spliced pole and slider threaded connection, chucking piece and locking groove align this moment, can lock control spanner, can guarantee continuous spraying and need not be always pressing control spanner when long-time spraying, the intermittent condition when avoiding the coating spraying.

Drawings

FIG. 1 is a schematic view of the overall structure of a spray gun head according to the present utility model;

FIG. 2 is a schematic view of a control wrench and grip of a spray gun head according to the present utility model;

FIG. 3 is a schematic view of an auxiliary support structure for a spray gun head according to the present utility model;

fig. 4 is a schematic view of a locking structure of a spray gun head according to the present utility model.

In the figure: 1. a spray gun body; 2. controlling a spanner; 3. a grip; 4. an auxiliary support structure; 5. a locking structure; 401. a connecting strip; 402. a connecting pin; 403. a guide groove; 404. a slide block; 405. a connecting column; 406. a knob; 501. a locking groove; 502. a mating groove; 503. a clamping block; 504. and a telescopic spring.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a spray gun head comprises a spray gun body 1, a control wrench 2 and a grip 3, wherein the spray gun body 1 and the grip 3 are integrated, the top end of the control wrench 2 is movably connected with the middle of the spray gun body 1, and an auxiliary supporting structure 4 is arranged on one side of the spray gun body 1 and between the control wrench 2 and the grip 3;

the auxiliary supporting structure 4 comprises a connecting bar 401, the connecting bar 401 is erected between the control wrench 2 and the grip 3, one end of the connecting bar 401 is provided with a connecting pin 402, the connecting bar 401 is movably connected with the control wrench 2 through the connecting pin 402, one end, far away from the connecting pin 402, of the connecting bar 401 is provided with a guide groove 403, a sliding block 404 and a connecting column 405 are arranged in the guide groove 403, the connecting column 405 is in threaded connection with the sliding block 404, one end of the connecting column 405 is movably connected with the grip 3, and the other end of the connecting column 405 is welded with a knob 406.

In this embodiment, the lateral wall of slider 404 has seted up with guide way 403 matched with sliding tray, and the sliding tray and the guide way 403 sliding connection of slider 404 can slide along the inside of slider 404 through connecting strip 401 when stirring control spanner 2, can further support control spanner 2, avoids control spanner 2 stirring the excessive strength and causes control spanner 2 to drop, also can assist spacing and direction through guide way 403, surpasses extreme position when avoiding control spanner 2 to press.

In this embodiment, the end of the connecting post 405 is welded with a limiting end inside the grip 3, and the limiting end of the connecting post 405 is movably connected with the inside of the grip 3, so that not only can the threaded transmission between the slider 404 and the connecting post 405 be satisfied, but also the slider 404 and the connecting post 405 can rotate together.

In this embodiment, the slider 404 is provided with locking structure 5 with the guide way 403 faying surface mutually, locking structure 5 includes locking groove 501, locking groove 501 has been seted up in the bottom surface of guide way 403, the inside cooperation groove 502 of having seted up of sliding groove of slider 404, and the inside embedded one row of chucking piece 503 of installing of cooperation groove 502, and chucking piece 503 and cooperation groove 502 sliding connection, the top of chucking piece 503 is provided with extension spring 504, the both ends of extension spring 504 are connected with cooperation groove 502 and slider 404 respectively, rotate knob 406 and make spliced pole 405 and slider 404 threaded connection, chucking piece 503 is aligned with locking groove 501 this moment, can lock control spanner 2, can guarantee continuous spraying and need not be along control spanner 2 when long-time spraying, the intermittent condition when avoiding the coating spraying.

In this embodiment, the height of the clamping block 503 is less than or equal to the height of the matching groove 502, and the distance between the locking grooves 501 is the same as the distance between the clamping blocks 503, so that the clamping blocks 503 can be clamped with the locking grooves 501 under the action of the telescopic springs 504, and the clamping blocks 503 can be stored in the matching groove 502 under the condition that the telescopic springs 504 are compressed.

In this embodiment, the two sides of the mating groove 502 are provided with bevel angles, so that the clamping block 503 can be conveniently moved into and out of the locking groove 501.

It should be noted that, the spray gun body 1 is communicated with the compression pump and the paint, at this time, a worker can hold the grip 3 and press the control wrench 2 with fingers to spray the paint from the nozzle of the spray gun body 1, when the control wrench 2 is pressed, the guide groove 403 of the connecting bar 401 at one side of the control wrench 2 moves along the sliding groove of the sliding block 404, because the clamping block 503 of the sliding block 404 does not fall into the locking groove 501, the connecting bar 401 is slidingly connected with the connecting bar 401 and the connecting post 405 while moving the connecting bar 401, so that the connecting bar 401 also moves, at this time, the control wrench 2 can be supported by the connecting bar 401, the situation that the control wrench 2 falls off after repeated stirring is avoided, and also auxiliary limiting and guiding can be performed by the guide groove 403, at this time, after stirring the control wrench 2 in some occasions requiring long-time spraying, by rotating the knob 406 and the connecting post 405, the connecting post 405 is in threaded connection with the slider 404, so that the clamping block 503 of the slider 404 moves towards the inside of the locking groove 501 of the guide groove 403, the clamping block 503 is pushed into the inside of the locking groove 501 under the action of the telescopic spring 504, at the moment, the connecting bar 401 is clamped in the inside of the guide groove 403, the control wrench 2 cannot move, the control wrench 2 does not need to be pressed all the time to avoid the intermittent condition during coating spraying, when the control wrench 2 needs to be normally stirred, the knob 406 and the connecting post 405 can be rotated reversely, so that the guide groove 403 moves outwards along the connecting post 405, the clamping block 503 can be directly moved out of the locking groove 501 and the guide groove 403 is positioned at the sliding groove of the slider 404, the control wrench 2 can be normally stirred after the slider 404 is separated from the connecting bar 401, and taking out the air pipe and the paint tank on the spray gun body 1 after the spraying is finished.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A spray gun head, characterized in that: the spray gun comprises a spray gun body (1), a control wrench (2) and a grip (3), wherein the spray gun body (1) and the grip (3) are integrated, the top end of the control wrench (2) is movably connected with the middle of the spray gun body (1), and an auxiliary supporting structure (4) is arranged on one side of the spray gun body (1) and between the control wrench (2) and the grip (3);

auxiliary support structure (4) are including connecting strip (401), and connecting strip (401) erect between control spanner (2) and handle (3), the one end of connecting strip (401) is provided with connecting pin (402), and connecting strip (401) are through connecting pin (402) and control spanner (2) swing joint, guide way (403) have been seted up to the one end of keeping away from connecting pin (402) on connecting strip (401), and the inside of guide way (403) is provided with slider (404) and spliced pole (405), internal thread connection of spliced pole (405) and slider (404), and one end and handle (3) swing joint of spliced pole (405), and the other end welding of spliced pole (405) has knob (406).

2. A spray gun head according to claim 1, wherein: the side wall of the sliding block (404) is provided with a sliding groove matched with the guide groove (403), and the sliding groove of the sliding block (404) is in sliding connection with the guide groove (403).

3. A spray gun head according to claim 2, characterized in that: the end of the connecting column (405) is welded with a limiting end in the grip (3), and the limiting end of the connecting column (405) is movably connected with the inside of the grip (3).

4. A spray gun head according to claim 3, wherein: the utility model discloses a locking structure, including slider (404) and guide way (403), the face of laminating mutually is provided with locking structure (5), locking structure (5) are including locking groove (501), the bottom surface in guide way (403) is seted up in locking groove (501), cooperation groove (502) have been seted up to the inside sliding tray of slider (404), and the inside embedded chucking piece (503) of installing of cooperation groove (502), and chucking piece (503) and cooperation groove (502) sliding connection, the top of chucking piece (503) is provided with extension spring (504), the both ends of extension spring (504) are connected with cooperation groove (502) and slider (404) respectively.

5. A spray gun head according to claim 4, wherein: the height of the clamping blocks (503) is smaller than or equal to that of the matching grooves (502), and the distance between the locking grooves (501) is the same as the interval between the clamping blocks (503).

6. A spray gun head according to claim 5, wherein: bevel angles are formed on two sides of the matching groove (502).