CN214865773U - A back air adjusting device for blowing dirt rifle - Google Patents
A back air adjusting device for blowing dirt rifle Download PDFInfo
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- CN214865773U CN214865773U CN202120660843.XU CN202120660843U CN214865773U CN 214865773 U CN214865773 U CN 214865773U CN 202120660843 U CN202120660843 U CN 202120660843U CN 214865773 U CN214865773 U CN 214865773U
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Abstract
The utility model discloses a back air adjusting device for blowing dirt rifle belongs to and blows dirt rifle field, including the end cap spare of rigid coupling on the rifle body, end cap case and adjusting hand wheel, end cap spare and adjusting hand wheel threaded connection are passed to the one end of end cap case, the end cap case has air adjusting valve body portion and connecting valve head, air adjusting valve body portion and connecting valve head integrated into one piece, connecting valve head portion passes end cap spare and adjusting hand wheel threaded connection, air adjusting cavity has been seted up in air adjusting valve body portion, air adjusting valve body portion radially sets up the inlet port that is linked together with air adjusting cavity, the rigid coupling has elastic component in the air adjusting cavity, when rotating adjusting hand wheel and making connecting valve head not hard up, air adjusting valve body portion receives elastic component's elastic force and removes in the rifle body to adjust the inlet port and set up the relative position of admission passage on the rifle body. The utility model discloses a back air regulating device for blowing dirt rifle makes and blows dirt rifle and is convenient for adjust the flow of giving vent to anger, easy operation convenience through back air regulating device.
Description
Technical Field
The utility model relates to a blow dirt rifle field, especially relate to a back air adjusting device for blowing dirt rifle.
Background
The dust blowing gun is mainly used for dust removal work in factories and during installation and maintenance, and the most common use environment is a narrow area, a high place and cleaning work in an air pipe which can not be touched by hands. The dust blowing gun effectively reduces the consumption of compressed air by utilizing the principle of air amplification, thereby generating strong and accurate airflow and driving ambient air to work together.
Chinese patent document publication No. CN208131586U discloses a dust blowing gun with novel structure, including the dust blowing gun shell body, the dust blowing gun shell body include integrative injection moulding's handheld portion and the tubulose portion of blowing, the blow runner that has both ends to link up is seted up in the dust blowing gun shell body, the front end of blow runner reduces gradually and forms a blowing nozzle, the rear end of blow runner is connected with the pipe joint, be located one section of the blow runner of handheld portion and install the valve, the valve endotheca is equipped with the needle, the outside of needle is provided with the conical surface that a shutoff blow runner was used, be provided with in the blow runner with the sealed inclined plane of conical surface cooperation sealing usefulness, the outside of handheld portion is stretched out to the outer end of needle, install the trigger that drives the needle removal through the round pin axle in the tubulose portion of blowing, install the spring between the inner of needle and the inner wall of blow runner. However, the dust blowing gun controls the valve to move by pulling the trigger so as to adjust the size of the air flow, the maximum air output is limited by the aperture size of the air blowing channel at one section of the handheld part, and the maximum air output is difficult to adjust according to the requirements of users and is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect of the prior art, the utility model aims to solve the technical problem that a back air regulating device for blowing dirt rifle is proposed, adopts air regulating valve body portion, connecting valve head portion, the end cap case that air regulating chamber and inlet port constitute, cooperation end cap spare, adjusting hand wheel and elastic component, makes to blow the dirt rifle and be convenient for adjust the flow of giving vent to anger through back air regulating device, and easy operation is convenient.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a pair of back air adjusting device for blowing dirt rifle, including the end cap spare of rigid coupling on the rifle body, end cap case and adjusting hand wheel, end cap spare and adjusting hand wheel threaded connection are passed to the one end of end cap case, the end cap case has air regulating valve body portion and connecting valve head portion, air regulating valve body portion and connecting valve head integrated into one piece, connecting valve head portion passes end cap spare and adjusting hand wheel threaded connection, air regulating cavity has been seted up in air regulating valve body portion, air regulating valve body portion radially sets up the inlet port that is linked together with air regulating cavity, the rigid coupling has elastic component in the air regulating cavity, when rotating adjusting hand wheel and making connecting valve head portion not hard up, air regulating valve body portion receives elastic component's elastic force and removes in the rifle body, with the relative position of adjusting the inlet port route of seting up on the rifle body.
The utility model discloses preferred technical scheme lies in, has cup jointed O type sealing washer on the connecting valve head, and O type sealing washer offsets in order to realize sealedly with the inner chamber of choke plug spare.
The utility model discloses preferred technical scheme lies in, transfers the chamber including exhaust hole and pilot hole, and the one end in exhaust hole is passed and is transferred valve body portion, and the other end in exhaust hole is linked together with the pilot hole, and the inlet port is linked together with the exhaust hole, and the elastic component rigid coupling is in the pilot hole.
The utility model discloses preferred technical scheme lies in, the shaping has spacing axle shoulder portion in the valve body portion of transferring, and spacing axle shoulder portion can offset in order to realize spacingly with the tip of end cap spare.
The utility model discloses preferred technical scheme lies in, and the annular positioning groove that is used for joint O type sealing washer is offered to the connecting valve head.
The utility model discloses preferred technical scheme lies in, and the shaping has valve head location platform on the connecting valve head, and valve head location platform can offset in order to realize the location with adjusting hand wheel's tip.
The utility model discloses preferred technical scheme lies in, the tip shaping of connecting valve head has case screw thread tapered end, case screw thread tapered end and adjusting hand wheel threaded connection.
The utility model discloses preferred technical scheme lies in, end cap spare includes end cap location platform and end cap screw thread tapered end, end cap location platform and end cap screw thread tapered end integrated into one piece, end cap screw thread tapered end and rifle body threaded connection.
The utility model has the advantages that:
the utility model provides a back air adjusting device for blowing dirt rifle, operating personnel are through rotating adjusting hand wheel, and adjustable end cap case and adjusting hand wheel's elasticity when adjusting hand wheel and transferring loose connection valve head, and connection valve head can receive elastic component's elastic force and remove in the rifle body, drives the inlet port and removes to adjust the inlet port and set up the relative position of the admission passage on the rifle body, thereby adjust the air current flow size. Wherein, the end cap piece plays the effect of closing and location. Through the process, the dust blowing gun is convenient to adjust the air outlet flow through the rear air adjusting device, and the operation is simple and convenient.
Drawings
Fig. 1 is a schematic structural diagram of a rear air adjusting device for a dust blowing gun according to an embodiment of the present invention;
fig. 2 is a schematic view of an assembly structure of a rear air adjustment device for a dust blowing gun and a gun body according to an embodiment of the present invention.
In the figure:
1. a plug member; 11. a plug positioning table; 12. a plug thread lock head; 2. a plug valve core; 21. an air regulating valve body part; 211. a gas regulating cavity; 2111. an exhaust hole; 2112. an assembly hole; 212. an air inlet; 213. a limiting shaft shoulder; 22. a connecting valve head; 221. an annular positioning groove; 222. a valve head positioning table; 223. a valve core thread lock head; 3. adjusting a hand wheel; 4. an elastic component; 5. a gun body; 51. an intake passage; 6. an O-shaped sealing ring.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 and 2, in order to facilitate the adjustment of the outlet flow rate of the dust blowing gun through the post-air adjustment device, the operation is simple and convenient, and further, the post-air adjustment device for the dust blowing gun provided in this embodiment includes a plug member 1 fixedly connected to the gun body 5, a plug valve element 2 and an adjustment hand wheel 3, one end of the plug valve element 2 passes through the plug member 1 and is in threaded connection with the adjustment hand wheel 3, the plug valve element 2 has an air adjustment valve body portion 21 and a connection valve head portion 22, the air adjustment valve body portion 21 and the connection valve head portion 22 are integrally formed, the connection valve head portion 22 passes through the plug member 1 and is in threaded connection with the adjustment hand wheel 3, an air adjustment cavity 211 is formed in the air adjustment valve body portion 21, the air adjustment valve body portion 21 is radially provided with an air inlet hole 212 communicated with the air adjustment cavity 211, an elastic component 4 is fixedly connected in the air adjustment cavity 211, when the adjustment hand wheel 3 is rotated to loosen the connection valve head portion 22, the air adjustment valve body portion 21 is moved in the gun body 5 by the elastic force of the elastic component 4, to adjust the relative positions of the intake hole 212 and the intake passage 51 opened in the gun body 5. An operator can adjust the tightness of the plug valve core 2 and the adjusting hand wheel 3 by rotating the adjusting hand wheel 3, when the connecting valve head 22 is adjusted by the adjusting hand wheel 3, the connecting valve head 22 can move in the gun body 5 under the action of the elastic force of the elastic component 4 to drive the air inlet 212 to move, so that the relative position of the air inlet 212 and the air inlet passage 51 arranged on the gun body 5 is adjusted, and the air flow is adjusted. Wherein, the end cap part 1 plays a role in sealing and positioning. Through the process, the dust blowing gun is convenient to adjust the air outlet flow through the rear air adjusting device, and the operation is simple and convenient.
Preferably, an O-ring 6 is sleeved on the connecting valve head 22, and the O-ring 6 abuts against the inner cavity of the plug member 1 to realize sealing. Adopt O type sealing washer 3 to seal the inner chamber of choke plug spare 1, avoid gaseous cooperation space that passes choke plug spare 1 from the rifle body 5 in outwards spilling over, improve the gas tightness of blowing dirt rifle, avoid gas leakage problem to cause the wasting of resources and reduce and blow dirt effect.
Preferably, the air adjustment cavity 211 includes an air outlet 2111 and an assembly hole 2112, one end of the air outlet 2111 passes through the air adjustment valve body portion 21, the other end of the air outlet 2111 is communicated with the assembly hole 2112, the air inlet 212 is communicated with the air outlet 2111, and the elastic component 4 is fixedly connected in the assembly hole 2112. The exhaust hole 2111 is used to communicate with the intake passage 51 through the intake hole 212 for air flow conduction and exhaust, and the fitting hole 2112 is used to position the fitting elastic member 4.
Preferably, the air regulating valve body part 21 is formed with a limiting shaft shoulder 213, and the limiting shaft shoulder 213 can abut against the end of the plug member 1 to realize the limiting. Reliable limiting can be achieved by the abutment of the limiting shaft shoulder 213 against the end of the plug member 1.
Preferably, the connecting valve head 22 is provided with an annular positioning groove 221 for clamping the O-ring 6. The annular positioning groove 221 is used for positioning and clamping the O-shaped sealing ring 6, so that the positioning, the dismounting and the mounting are convenient.
Preferably, the connecting valve head 22 is formed with a valve head positioning table 222, and the valve head positioning table 222 can be abutted against the end of the adjusting handwheel 3 for positioning. The valve head positioning table 222 is abutted against the end of the adjusting hand wheel 3, so that reliable positioning can be realized.
Preferably, the end of the connecting valve head 22 is formed with a valve core screw locking head 223, and the valve core screw locking head 223 is in screw connection with the adjusting hand wheel 3. Through setting up case screw lock 223, make things convenient for connecting valve head 22 and adjusting hand wheel 3 dismouting cooperation.
Preferably, the plug member 1 includes a plug positioning table 11 and a plug threaded locking head 12, the plug positioning table 11 and the plug threaded locking head 12 are integrally formed, and the plug threaded locking head 12 is in threaded connection with the gun body 5. Through setting up end cap screw thread tapered end 12, make things convenient for end cap spare 1 and the inner chamber of rifle body 5 to carry out the dismouting cooperation. The plug positioning table 11 is used for abutting against the open end of the gun body 5, and reliable positioning is achieved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (8)
1. The utility model provides a back air adjusting device for blowing dirt rifle, includes plug spare (1), plug case (2) and adjusting hand wheel (3) of rigid coupling on the rifle body (5), the one end of plug case (2) is passed plug spare (1) with adjusting hand wheel (3) threaded connection, its characterized in that:
the plug valve core (2) is provided with a gas regulating valve body part (21) and a connecting valve head part (22);
the air adjusting valve body part (21) and the connecting valve head part (22) are integrally formed;
the connecting valve head (22) penetrates through the plug piece (1) and is in threaded connection with the adjusting hand wheel (3);
an air adjusting cavity (211) is formed in the air adjusting valve body part (21), and an air inlet hole (212) communicated with the air adjusting cavity (211) is formed in the air adjusting valve body part (21) along the radial direction;
an elastic component (4) is fixedly connected in the air adjusting cavity (211);
when the adjusting hand wheel (3) is rotated to loosen the head part (22) of the connecting valve, the air adjusting valve body part (21) moves in the gun body (5) under the elastic acting force of the elastic component (4) so as to adjust the relative position of the air inlet hole (212) and an air inlet passage (51) formed in the gun body (5).
2. The post-air conditioning device for a dust blowing gun according to claim 1, characterized in that:
an O-shaped sealing ring (6) is sleeved on the connecting valve head part (22);
the O-shaped sealing ring (6) is abutted against the inner cavity of the plug piece (1) to realize sealing.
3. The post-air conditioning device for a dust blowing gun according to claim 1, characterized in that:
the air adjusting cavity (211) comprises an exhaust hole (2111) and an assembly hole (2112);
one end of the exhaust hole (2111) penetrates through the air regulating valve body part (21), the other end of the exhaust hole (2111) is communicated with the assembly hole (2112), and the air inlet hole (212) is communicated with the exhaust hole (2111);
the elastic component (4) is fixedly connected in the assembly hole (2112).
4. The post-air conditioning device for a dust blowing gun according to claim 1, characterized in that:
a limiting shaft shoulder part (213) is formed on the air regulating valve body part (21);
the limiting shaft shoulder (213) can be abutted against the end part of the plug piece (1) to realize limiting.
5. The post-air conditioning device for a dust blowing gun according to claim 2, characterized in that:
the connecting valve head (22) is provided with an annular positioning groove (221) for clamping the O-shaped sealing ring (6).
6. The post-air conditioning device for a dust blowing gun according to claim 1, characterized in that:
a valve head positioning table (222) is formed on the connecting valve head part (22);
the valve head positioning table (222) can be abutted against the end part of the adjusting hand wheel (3) to realize positioning.
7. The post-air conditioning device for a dust blowing gun according to claim 1, characterized in that:
a valve core thread lock head (223) is formed at the end part of the connecting valve head part (22);
the valve core thread lock head (223) is in threaded connection with the adjusting hand wheel (3).
8. The post-air conditioning device for a dust blowing gun according to claim 1, characterized in that:
the plug piece (1) comprises a plug positioning table (11) and a plug threaded lock head (12);
the plug positioning table (11) and the plug threaded lock head (12) are integrally formed;
the plug threaded lock head (12) is in threaded connection with the gun body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120660843.XU CN214865773U (en) | 2021-03-31 | 2021-03-31 | A back air adjusting device for blowing dirt rifle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120660843.XU CN214865773U (en) | 2021-03-31 | 2021-03-31 | A back air adjusting device for blowing dirt rifle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214865773U true CN214865773U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120660843.XU Active CN214865773U (en) | 2021-03-31 | 2021-03-31 | A back air adjusting device for blowing dirt rifle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214865773U (en) |
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2021
- 2021-03-31 CN CN202120660843.XU patent/CN214865773U/en active Active
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