CN217043790U

CN217043790U - Blow dirt rifle convenient to adjust flow

Info

Publication number: CN217043790U
Application number: CN202123297369.8U
Authority: CN
Inventors: 潘蒙波; 彭付军
Original assignee: Ningbo Haishu Jiacheng Hardware Tools Co ltd
Current assignee: Ningbo Haishu Jiacheng Hardware Tools Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-26
Anticipated expiration: 2031-12-24

Abstract

The utility model provides a blow dirt rifle convenient to regulated flow, include the rifle body and fix the rifle head on the rifle body, the internal second cavity that communicates with each other with the rifle head that is equipped with of rifle, the internal top of rifle is equipped with the communicating first cavity with the second cavity, be equipped with extrusion head in the first cavity, extrusion head one end extends to the first cavity outside, the extrusion head outside is equipped with the handle, extrusion head deviates from the one end fixedly connected with valve rod of handle, the valve rod other end extends to in the second cavity and fixedly connected with end cap, the hollow tube is installed to the internal one side of keeping away from first cavity of rifle, be equipped with the spring that is used for driving extrusion head to remove between hollow tube and the end cap, the stop valve is installed to the one end that the hollow tube is in the rifle body outside, the utility model discloses following beneficial effect has: the local replacement of the contact part of the handle and the extrusion head is realized, and the maintenance cost is reduced.

Description

Blow dirt rifle convenient to adjust flow

Technical Field

The utility model relates to a blow dirt rifle convenient to adjust flow belongs to and blows dirt rifle field.

Background

Blow the dirt rifle and be the equipment commonly used in the dust blowing, will blow the dirt rifle and connect on the air supply line, through pressing the handle on the rifle body, thereby the handle rotates the internal valve rod of back extrusion rifle, the valve rod drives the end cap and removes, the internal spring of rifle is in compression state simultaneously, make air supply line and rifle head communicate with each other, but the contact position of extrusion head on handle and the valve rod is because of contacting the easy wearing and tearing attenuation with the contact repeatedly, when leading to later stage extrusion handle, the end cap on the valve rod can not remove and target in place, the condition of not giving vent to anger appears easily, need to change whole handle, cost of maintenance is higher.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a blow dirt rifle convenient to regulated flow to solve the problem that proposes in the above-mentioned background art, the utility model discloses realize making the handle and the local change at extrusion head contact position, reduce cost of maintenance.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a dust blowing gun convenient for flow adjustment comprises a gun body and a gun head fixed on the gun body, wherein a second cavity communicated with the gun head is arranged in the gun body, a first cavity communicated with the second cavity is arranged at the top in the gun body, an extrusion head is arranged in the first cavity, one end of the extrusion head extends to the outer side of the first cavity, a handle is arranged on the outer side of the extrusion head, the handle is of a hollow structure, one end of the handle is rotatably connected with the gun body through a pin shaft, a valve rod is fixedly connected to one end of the extrusion head, which is far away from the handle, the other end of the valve rod extends into the second cavity and is fixedly connected with a plug, the plug is slidably installed in the second cavity, a hollow pipe is installed on one side, far away from the first cavity, in the gun body, a spring for driving the extrusion head to move is arranged between the hollow pipe and the plug, and a stop valve is installed at one end, which is located on the outer side of the gun body, of the hollow pipe, the contact part of the handle and the extrusion head is provided with a detachable pressure piece.

Further, the pressed part comprises a contact block, the contact part of the handle is connected with the extrusion head, the contact block is inserted into the through hole, one end of the contact block, which is located on the outer side of the through hole, is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with the handle through a screw.

Furthermore, the opening outside is equipped with the frame with handle fixed connection, the screw runs through even board and frame threaded connection.

Furthermore, slots are formed in two parallel side faces of the frame, inserting blocks are inserted into the slots and are of rectangular structures, threaded holes matched with screws are formed in one faces of the inserting blocks, round holes aligned with the threaded holes are formed in the slots, and the screws penetrate through the round holes and are connected in the threaded holes in a threaded mode.

Furthermore, one end of the extrusion head facing the contact block is fixedly connected with a round head, and the round head and the extrusion head are of an integrated structure.

Furthermore, a first annular groove is formed in the outer surface of the extrusion head, and a first sealing ring attached to the inner wall of the first cavity is arranged in the first annular groove.

Furthermore, a second annular groove is formed in the outer surface of the plug, and a second sealing ring attached to the inner wall of the second cavity is arranged in the second annular groove.

Furthermore, one surface of the plug facing the spring is fixedly connected with a positioning head, one end of the hollow tube close to the spring is fixedly connected with a positioning sleeve, one end of the spring is sleeved on the positioning head, and the other end of the spring is sleeved on the positioning sleeve.

Furthermore, the rifle head and the rifle body are integrated into one piece structure, the rifle head is kept away from the one end threaded connection of the rifle body and is had the barrel.

Furthermore, the outer surface of the gun body is wrapped with an anti-slip sleeve which is a component made of plastic materials.

The utility model has the advantages that:

1. the contact block is arranged at the position where the handle is contacted with the extrusion head, the connecting plate is arranged on the surface of the handle by utilizing the screw, the contact block and the handle are arranged, when the contact block becomes thinner due to abrasion, the contact block can be replaced after the screw is detached, the whole handle does not need to be replaced, and the maintenance cost is reduced.

2. The frame is arranged at the position where the handle passes through the connecting plate, so that the wall thickness of the connecting part of the handle and the connecting plate is locally increased, and the thickness of the handle is not required to be integrally increased.

3. The threaded holes matched with the screws are processed on the inserting blocks, then the inserting blocks are inserted into the slots in the frame, the inserting of the inserting blocks and the frame is achieved, when the threaded holes are damaged, the inserting blocks can be replaced, the whole handle does not need to be replaced, and local replacement of threaded connection portions is achieved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of a dust blowing gun of the present invention for adjusting flow rate;

FIG. 2 is an enlarged view of the position A of the dust blowing gun for conveniently adjusting the flow rate;

FIG. 3 is a cross-sectional view of a frame of a dust blowing gun for easy flow adjustment according to the present invention;

FIG. 4 is a perspective view of an insert block of a dust blowing gun for conveniently adjusting the flow rate of the present invention;

FIG. 5 is a schematic view of the assembly of the valve rod, the extrusion head and the plug of the dust blowing gun of the present invention for conveniently adjusting the flow rate;

FIG. 6 is a cross-sectional view of a hollow tube of a dust blowing gun for easy flow adjustment according to the present invention;

in the figure: the gun comprises a gun body 1, a gun body 2, a first chamber 2, a handle 3, a gun head 4, a gun barrel 5, a valve rod 6, a spring 7, a hollow tube 8, an anti-slip sleeve 9, a second chamber 10, a stop valve 11, an extrusion head 12, a contact block 13, an insertion block 14, a screw 15, a connecting plate 16, a frame 17, an insertion slot 18, a circular hole 19, a threaded hole 20, a first annular groove 21, a first sealing ring 22, a second sealing ring 23, a positioning head 24, a second annular groove 25, a plug 26, a round head 27 and a positioning sleeve 28.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a blow dirt rifle convenient to regulated flow, includes the rifle body 1 and fixes rifle head 4 on the rifle body 1, and rifle head 4 and rifle body 1 are the integrated into one piece structure, and the one end threaded connection that rifle body 1 was kept away from to rifle head 4 has barrel 5, and barrel 5 increases the extension scope of rifle head 4, and 1 surface parcel of rifle body has antiskid cover 9, and antiskid cover 9 is the component that a plastics material was made.

Referring to fig. 1, 2 and 5, a second chamber 10 communicated with a gun head 4 is arranged in a gun body 1, a first chamber 2 communicated with the second chamber 10 is arranged at the top in the gun body 1, an extrusion head 12 is arranged in the first chamber 2, one end of the extrusion head 12 extends to the outer side of the first chamber 2, a round head 27 is fixedly connected to one end, facing a contact block 13, of the extrusion head 12, the round head 27 enables arc transition between the extrusion head 12 and the contact block 13, the round head 27 and the extrusion head 12 are of an integrally formed structure, a first annular groove 21 is formed in the outer surface of the extrusion head 12, a first sealing ring 22 attached to the inner wall of the first chamber 2 is arranged in the first annular groove 21, and the first sealing ring 22 improves the sealing performance between the extrusion head 12 and the first chamber 2.

Referring to fig. 1 and 5, the handle 3 is arranged outside the extrusion head 12, the handle 3 is of a hollow structure, one end of the handle 3 is rotatably connected with the gun body 1 through a pin shaft, one end of the extrusion head 12, which deviates from the handle 3, of the valve rod 6 is fixedly connected with a valve rod 6, the other end of the valve rod 6 extends into the second chamber 10 and is fixedly connected with a plug 26, the plug 26 is slidably installed in the second chamber 10, a second annular groove 25 is formed in the outer surface of the plug 26, a second sealing ring 23, which is attached to the inner wall of the second chamber 10, is arranged in the second annular groove 25, and the second sealing ring 23 improves the sealing performance between the plug 26 and the second chamber 10.

Referring to fig. 1, 5 and 6, a hollow tube 8 is installed on one side of the gun body 1 far away from the first chamber 2, a spring 7 used for driving the extrusion head 12 to move is arranged between the hollow tube 8 and a plug 26, one side of the plug 26 facing the spring 7 is fixedly connected with a positioning head 24, one end of the hollow tube 8 close to the spring 7 is fixedly connected with a positioning sleeve 28, one end of the spring 7 is sleeved on the positioning head 24, the other end of the spring 7 is sleeved on the positioning sleeve 28, and the positioning head 24 and the positioning sleeve 28 jointly act to limit the positions of two ends of the spring 7.

Referring to fig. 1, stop valve 11 is installed to the one end that hollow tube 8 is in the rifle body 1 outside, on inserting stop valve 11 to the air supply pipeline, when pressing handle 3, squeeze head 12 drives valve rod 6 and removes after receiving the extrusion of handle 3, valve rod 6 drives end cap 26 and removes, thereby make end cap 26 break away from second cavity 10, spring 7 is in compressed state this moment, the air in the air supply pipeline passes through in second cavity 10 gets into rifle head 4 simultaneously, when loosening handle 3, under the effect of spring 7 resilience force, handle 3 and end cap 26 all reset, aperture through control stop valve 11, be convenient for control the size of air output, reach the effect of regulating flow.

Referring to fig. 1 and 2, the contact part of the handle 3 and the extrusion head 12 is provided with a through hole, the through hole is internally provided with a contact block 13, the contact block 13 is positioned at one end of the through hole outside and fixedly connected with a connecting plate 16, the connecting plate 16 is fixedly connected with the handle 3 through a screw 15, the contact block 13 is arranged at the contact part of the handle 3 and the extrusion head 12, the screw 15 is utilized to install the connecting plate 16 on the surface of the handle 3, the installation of the contact block 13 and the handle 3 is completed, when the contact block 13 becomes thinner due to abrasion, the contact block 13 can be replaced after the screw 15 is detached, the whole handle 3 does not need to be replaced, and the maintenance cost is reduced.

Referring to fig. 1, 2, 3 and 4, a frame 17 fixedly connected with the handle 3 is arranged outside the through opening, a screw 15 penetrates through the connecting plate 16 and is in threaded connection with the frame 17, two parallel side surfaces of the frame 17 are respectively provided with an inserting groove 18, an inserting block 14 is inserted in the inserting groove 18, the inserting block 14 is in a rectangular structure, one surface of the inserting block 14 is provided with a threaded hole 20 matched with the screw 15, the inserting groove 18 is internally provided with a round hole 19 aligned with the threaded hole 20, the screw 15 penetrates through the round hole 19 and is in threaded connection with the threaded hole 20, the frame 17 is installed at the position of the handle 3 where the connecting plate 16 is installed, the wall thickness of the connecting part of the handle 3 and the connecting plate 16 is locally increased, the thickness of the handle 3 is not required to be integrally increased, the threaded hole 20 matched with the screw 15 is processed on the inserting block 14, then the inserting block 14 is inserted in the inserting groove 18 on the frame 17, and the inserting connection of the inserting block 14 and the frame 17 is realized, when the threaded hole 20 is damaged, the insert block 14 can be replaced, and the partial replacement of the threaded connection part can be realized without replacing the whole handle 3.

Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.

Claims

1. The utility model provides a blow dirt rifle convenient to adjust flow, includes the rifle body (1) and fixes rifle head (4) on the rifle body (1), its characterized in that: a second cavity (10) communicated with the gun head (4) is arranged in the gun body (1), a first cavity (2) communicated with the second cavity (10) is arranged at the top in the gun body (1), an extrusion head (12) is arranged in the first cavity (2), one end of the extrusion head (12) extends to the outer side of the first cavity (2), a handle (3) is arranged on the outer side of the extrusion head (12), the handle (3) is of a hollow structure, one end of the handle (3) is rotatably connected with the gun body (1) through a pin shaft, one end of the extrusion head (12) departing from the handle (3) is fixedly connected with a valve rod (6), the other end of the valve rod (6) extends into the second cavity (10) and is fixedly connected with a plug (26), the plug (26) is slidably arranged in the second cavity (10), a hollow pipe (8) is arranged on one side, far away from the first cavity (2), in the gun body (1), be equipped with between hollow tube (8) and end cap (26) and be used for driving spring (7) that extrusion head (12) removed, stop valve (11) are installed to the one end that hollow tube (8) are in the rifle body (1) outside, detachable compression piece is installed with extrusion head (12) contact position in handle (3).

2. A dust blowing gun facilitating flow adjustment according to claim 1, wherein: the compression piece comprises a contact block (13), the contact part of the handle (3) and the extrusion head (12) is provided with a through hole, the contact block (13) is inserted into the through hole, the contact block (13) is located at one end of the outer side of the through hole and is fixedly connected with a connecting plate (16), and the connecting plate (16) is fixedly connected with the handle (3) through a screw (15).

3. A dust blowing gun facilitating flow adjustment according to claim 2, wherein: the opening outside is equipped with frame (17) with handle (3) fixed connection, screw (15) run through even board (16) and frame (17) threaded connection.

4. A dust blowing gun facilitating flow adjustment according to claim 3, wherein: all seted up slot (18) on two parallel sides of frame (17), insert block (14) have been inserted in slot (18), insert block (14) are the rectangle structure, screw hole (20) with screw (15) matched with are seted up to insert block (14) one side, round hole (19) that align with screw hole (20) have been seted up in slot (18), screw (15) pass round hole (19) threaded connection in screw hole (20).

5. A dust blowing gun facilitating flow adjustment according to claim 2, wherein: extrusion head (12) are towards one end fixedly connected with button head (27) of contact piece (13), button head (27) and extrusion head (12) are the integrated into one piece structure.

6. A dust blowing gun facilitating flow adjustment according to claim 1, wherein: first ring channel (21) have been seted up to extrusion head (12) surface, be equipped with in first ring channel (21) and first sealing washer (22) of laminating mutually with first cavity (2) inner wall.

7. A dust blowing gun facilitating flow adjustment according to claim 1, wherein: and a second annular groove (25) is formed in the outer surface of the plug (26), and a second sealing ring (23) attached to the inner wall of the second cavity (10) is arranged in the second annular groove (25).

8. A dust blowing gun facilitating flow adjustment according to claim 1, wherein: end cap (26) one side fixedly connected with location head (24) towards spring (7), one end fixedly connected with position sleeve (28) that hollow tube (8) are close to spring (7), the pot head of spring (7) is established on location head (24), the other pot head of spring (7) is established on position sleeve (28).

9. A dust blowing gun facilitating flow adjustment according to claim 1, wherein: the gun head (4) and the gun body (1) are of an integrated structure, and one end, far away from the gun body (1), of the gun head (4) is in threaded connection with the gun barrel (5).

10. A dust blowing gun facilitating flow adjustment according to claim 1, wherein: the outer surface of the gun body (1) is wrapped with an anti-slip sleeve (9), and the anti-slip sleeve (9) is a component made of plastic materials.