CN215784246U

CN215784246U - Control mechanism for adjusting spray gun

Info

Publication number: CN215784246U
Application number: CN202122327383.1U
Authority: CN
Inventors: 潘灵钢; 邵先月; 陈其求
Original assignee: ZHEJIANG REFINE WUFU AIR TOOLS CO Ltd
Current assignee: ZHEJIANG REFINE WUFU AIR TOOLS CO Ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-11
Anticipated expiration: 2031-09-24

Abstract

The utility model belongs to the technical field of spray guns, in particular to a control mechanism for spray gun adjustment, which comprises a knob, a limiting piece, a rotating piece and a control piece, wherein the rotating piece is arranged on the limiting piece in a penetrating way, the knob drives the rotating piece and the control piece to rotate in or out, the outer end of the rotating piece is connected with the knob, the inner end of the rotating piece is connected with the control piece, the rotating piece is connected with the limiting piece through a thread, the control piece is an annular sleeve seat, and the rotating piece is inserted into an inner hole of the annular sleeve seat and is fixed through riveting; or the control piece is a control seat with a screw connection column at the outer end, and a screw connection hole fixed with the screw connection column in a screw connection way is formed on the end surface of the inner end of the rotating piece; or the control part and the rotating part are of an integrated structure. The spray gun fixing device is simple in structure, and the fixing connection structure between the control part and the rotating part is reasonably designed, so that the connection between the control part and the rotating part can be stable, firm and free from loosening, and the control mechanism can be further ensured to accurately adjust and use the spray gun.

Description

Control mechanism for adjusting spray gun

The technical field is as follows:

the utility model belongs to the technical field of spray guns, and particularly relates to a control mechanism for adjusting a spray gun.

Background art:

spray guns for paint, adhesive or other liquid materials typically have a number of adjustable features, such as paint flow adjustment, spray air pressure adjustment, and spray amplitude adjustment, which can be adjusted appropriately and precisely to control the different spray effects of the spray gun.

The rotatable control mechanism for the spray gun and the spray gun disclosed by the existing Chinese utility model patent (grant publication No. CN204074353U) comprise a knob, a limiting part and a rotating part, wherein the rotating part can pass through the limiting part by the driving of the knob and is screwed into or screwed out of the spray gun, the rotating part is provided with a multi-thread structure on at least part of the outer peripheral surface of the rotating part, and the spray gun further comprises a control part, when the spray width adjusting controller is installed in the spray gun, the control part adjusts the distribution of air between the middle part of an air nozzle of the spray gun and the angle of the air nozzle according to the length of the rotating part extending from one side of the limiting part, which deviates from the knob. In the technical scheme of the patent, the specific structure of the control part is only one, namely the control part is designed into a disc-shaped closing head, the specific connection between the control part and the rotating part is lacked, the control parts on the market are sleeved on the rotating part and have relative shaking, and the connection stability between the control part and the rotating part directly influences the spraying adjustment precision of the spray gun.

The utility model content is as follows:

the utility model aims to provide a control mechanism for adjusting a spray gun, wherein a control part and a rotating part are stably and firmly connected without shaking.

The utility model is realized by the following steps:

a control mechanism for spray gun adjustment comprises a knob, a limiting piece, a rotating piece and a control piece, wherein the rotating piece is arranged on the limiting piece in a penetrating mode, the knob drives the rotating piece and the control piece to rotate in or out, the outer end of the rotating piece is connected with the knob, the inner end of the rotating piece is connected with the control piece, the rotating piece and the limiting piece are connected through threads, the control piece is an annular sleeve seat, and the rotating piece is inserted into an inner hole of the annular sleeve seat and fixed through riveting; or the control piece is a control seat with a screw connection column at the outer end, and a screw connection hole fixed with the screw connection column in a screw connection way is formed on the end surface of the inner end of the rotating piece; or the control part and the rotating part are of an integrated structure.

In the control mechanism for adjusting the spray gun, the annular sleeve seat comprises a sleeve body and an annular convex edge arranged on the outer end edge of the sleeve body, a first conical surface is arranged between the inner end surface and the side wall surface of the sleeve body, and a chamfer is formed at the outer end opening of the inner hole of the sleeve body.

In the control mechanism for adjusting the spray gun, the control base comprises a base and a control column arranged at the center of the inner end surface of the control base, the screw hole is arranged at the center of the outer end surface of the base, and a conical table surface II is arranged between the inner end surface and the side wall surface of the control column.

In the control mechanism for adjusting the spray gun, the inner hole of the limiting part sequentially comprises a large diameter part and a small diameter part from outside to inside, the rotating part comprises a rod part and a connecting part from outside to inside, the connecting part is connected with the small diameter part through a thread, and a support ring body is arranged between the outer wall surface of the rod part and the inner wall surface of the large diameter part.

In the control mechanism for adjusting the spray gun, the rotating part further comprises an inserting part connected to the inner side of the connecting part, and the inserting part penetrates through the annular sleeve seat and is provided with an annular groove for sleeving the clamp spring.

In the control mechanism for adjusting the spray gun, the support ring body and the rod part are of an integrated structure, and a certain gap is reserved between the support ring body and the inner wall surface of the large-diameter part.

Compared with the prior art, the utility model has the outstanding advantages that:

the spray gun fixing device is simple in structure, and the fixing connection structure between the control part and the rotating part is reasonably designed, so that the connection between the control part and the rotating part can be stable, firm and free from loosening, and the control mechanism can be further ensured to accurately adjust and use the spray gun.

Description of the drawings:

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an embodiment of the present invention;

FIG. 3 is a perspective view of a second embodiment of the present invention;

FIG. 4 is a cross-sectional view of a second embodiment of the present invention;

FIG. 5 is a three-dimensional view of an embodiment of the present invention;

fig. 6 is a third cross-sectional view of an embodiment of the present invention.

In the figure; 1. a limiting member; 2. a rotating member; 3. a control member; 4. an annular sleeve seat; 5. a control seat; 6. a screw connection column; 7. a sleeve body; 8. an annular convex edge; 9. a first conical table surface; 10. a base; 11. a control column; 12. a second conical table surface; 13. a rod portion; 14. a connecting portion; 15. a support ring body; 16. a plug-in part; 17. an annular groove.

The specific implementation mode is as follows:

the utility model will now be further described by way of specific examples, with reference to figures 1 to 6:

the first embodiment is as follows:

the utility model provides a control mechanism for spray gun is adjusted, includes knob, locating part 1, rotating member 2 and control 3, and rotating member 2 wears to establish on locating part 1, drives rotating

member

2 and 3 screw ins of control or back-out by the knob, the outer end and the knob of rotating member 2 are connected, the inner is connected with control 3, and passes through threaded connection between rotating member 2 and the locating part 1, and control 3 is annular cover seat 4, alternates on annular cover seat 4's hole and through the riveting fixed by rotating member 2.

The spray gun fixing device is simple in structure, and the fixing connection structure between the control part 3 and the rotating part 2 is reasonably designed, so that the connection between the control part 3 and the rotating part 2 can be stable, firm and free from loosening, and the control mechanism can be further ensured to accurately adjust and use the spray gun.

Furthermore, in the present embodiment, the specific structure of the annular socket 4 is as follows: annular cover seat 4 is including the cover barrel 7 and set up the protruding edge 8 of annular on the edge of cover barrel 7 outer end, wherein, for the cooperation structure of optimizing cover barrel 7 and spray gun correspondence part, is provided with awl mesa 9 between the interior terminal surface of cover barrel 7 and the side wall face, simultaneously, for the convenience of annular cover seat 4 inserts rotating member 2 on, the chamfer has been seted up to the hole outer port department of cover barrel 7.

Furthermore, in order to improve the matching stability between the limiting member 1 and the rotating member 2, the inner hole of the limiting member 1 sequentially comprises a large diameter portion and a small diameter portion from outside to inside, the rotating member 2 comprises a rod portion 13 and a connecting portion 14 from outside to inside, the connecting portion 14 is connected with the small diameter portion through a thread, and a support ring body 15 is arranged between the outer wall surface of the rod portion 13 and the inner wall surface of the large diameter portion. In addition, in this embodiment, the rotating member 2 further includes an inserting portion 16 connected to the inner side of the connecting portion 14, the inserting portion 16 penetrates through the annular sleeve seat 4, and an annular groove 17 for sleeving a snap spring is formed in the inserting portion 16 located on the inner side of the annular sleeve seat 4, and the snap spring is used for further limiting the axial position of the annular sleeve seat 4.

In addition, in the embodiment, the supporting ring body 15 and the rod 13 are an integral structure, and in order to avoid that the supporting ring body 15 and the large diameter portion generate friction and the knob is difficult to rotate by a user, a certain gap is left between the supporting ring body 15 and the inner wall surface of the large diameter portion.

Example two:

the structure of the present embodiment is basically the same as that of the embodiment on the market, and the main difference is that: the control piece 3 is a control seat 5 with a bolt connection column 6 at the outer end, and a bolt connection hole fixed with the bolt connection column 6 is formed in the end face of the inner end of the rotating piece 2; this embodiment realizes being connected between control 3 and the rotating member 2 through the spiro union cooperation promptly, and then reaches and be connected can be stable, firm, not hard up between control 3 and the rotating member 2. Correspondingly, the specific structure of the control seat 5 is as follows: the control seat 5 comprises a base 10 and a control column 11 arranged at the center of the inner end face of the base, and the screw hole is arranged at the center of the outer end face of the base 10; and in order to optimize the matching structure of the sleeve body 7 and the corresponding component of the spray gun, a conical table surface II 12 is arranged between the inner end surface and the side wall surface of the control column 11.

Example three:

the structure of the present embodiment is basically the same as that of the embodiment on the market, and the main difference is that: the control member 3 and the rotating member 2 are of an integral structure, and meanwhile, in this embodiment, the inner hole of the limiting member 1 is a straight hole, the inner end portion of the inner hole is in threaded connection with the connecting portion 14 of the rotating member 2, a supporting ring body 15 is arranged between the rod portion 13 of the rotating member 2 and the inner hole of the limiting member 1, a split structure is arranged between the supporting ring body 15 and the rod body, and the supporting ring body 15 plays a role in rotatably supporting between the rod body and the large-diameter portion.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a control mechanism for spray gun is adjusted, including knob, locating part (1), rotating member (2) and control piece (3), rotating member (2) wear to establish on locating part (1), drive rotating member (2) and control piece (3) screw in or screw out its characterized in that by the knob: the outer end of the rotating part (2) is connected with the knob, the inner end of the rotating part is connected with the control part (3), the rotating part (2) is connected with the limiting part (1) through threads, the control part (3) is an annular sleeve seat (4), and the rotating part (2) is inserted into an inner hole of the annular sleeve seat (4) and fixed through riveting; or the control piece (3) is a control seat (5) with a screw connection column (6) at the outer end, and the end surface of the inner end of the rotating piece (2) is provided with a screw connection hole which is fixed with the screw connection column (6) in a screw connection way; or the control part (3) and the rotating part (2) are of an integrated structure.

2. A control mechanism for lance adjustment as set forth in claim 1 wherein: the annular sleeve seat (4) comprises a sleeve body (7) and an annular convex edge (8) arranged on the outer end edge of the sleeve body (7), a cone table surface I (9) is arranged between the inner end surface and the side wall surface of the sleeve body (7), and a chamfer is formed in the outer end opening of the inner hole of the sleeve body (7).

3. A control mechanism for lance adjustment as set forth in claim 1 wherein: the control seat (5) comprises a base (10) and a control column (11) arranged at the center of the inner end face of the base, the screw hole is formed in the center of the outer end face of the base (10), and a second conical table face (12) is arranged between the inner end face and the side wall face of the control column (11).

4. A control mechanism for lance adjustment as set forth in claim 1 wherein: the inner hole of the limiting part (1) sequentially comprises a large-diameter part and a small-diameter part from outside to inside, the rotating part (2) comprises a rod part (13) and a connecting part (14) from outside to inside, the connecting part (14) is connected with the small-diameter part through threads, and a supporting ring body (15) is arranged between the outer wall surface of the rod part (13) and the inner wall surface of the large-diameter part.

5. A control mechanism for lance adjustment according to claim 4, wherein: the rotating part (2) further comprises an inserting part (16) connected to the inner side of the connecting part (14), and the inserting part (16) penetrates through the annular sleeve seat (4) and is located on the inserting part (16) on the inner side of the annular sleeve seat (4) and is provided with an annular groove (17) for sleeving the clamp spring.

6. A control mechanism for lance adjustment according to claim 4, wherein: the support ring body (15) and the rod part (13) are of an integrated structure, and a certain gap is reserved between the support ring body (15) and the inner wall surface of the large-diameter part.