CN216951677U - Axially-adjusted gas flow regulating valve of paint spray gun - Google Patents
Axially-adjusted gas flow regulating valve of paint spray gun Download PDFInfo
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- CN216951677U CN216951677U CN202122048806.6U CN202122048806U CN216951677U CN 216951677 U CN216951677 U CN 216951677U CN 202122048806 U CN202122048806 U CN 202122048806U CN 216951677 U CN216951677 U CN 216951677U
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Abstract
The utility model discloses an axially-adjusted gas flow adjusting valve of a paint spray gun, which comprises a valve body, a left valve body insert and an adjusting threaded sleeve; the valve body consists of a left valve body and a right valve body; the center of the right end of the left valve body is provided with an air inlet center hole, and the periphery of the bottom of the air inlet center hole is provided with a plurality of air inlet side through holes; a gas outlet center hole is formed in the center of the left end of the left valve body, and a plurality of gas outlet side through holes are formed in the periphery of the bottom of the gas outlet center hole; a sealing boss is arranged in the middle of the outer wall of the left valve body, and a sealing rubber ring is arranged on the sealing boss; the left valve body outer wall is provided with a mounting groove at the left side of the air outlet side through hole, and a left valve body insert is assembled on the mounting groove; the center of the right valve body is provided with an air inlet through hole, and the outlet of the air inlet through hole is connected with the right end of the left valve body; an adjusting threaded sleeve is arranged between the left valve body insert and the right valve body. The gas flow regulating valve designed by the utility model adopts the accessory structure of the revolving body, and has the characteristics of small gas regulating pressure loss, compact structure, simple and convenient processing and economic cost.
Description
Technical Field
The utility model relates to a gas flow regulating valve of a paint spray gun, in particular to an axially-regulated gas flow regulating valve of the paint spray gun.
Background
As shown in fig. 1, for the structure of a gas flow control valve in an existing paint gun, an air inlet hole 11 'is provided at the lower part of a valve body 1', an air outlet hole 12 'which is completely staggered with the air inlet hole is provided at the upper part of the valve body 1', an adjusting hole 13 'which is simultaneously communicated with the air inlet hole 11' and the air outlet hole 12 'is transversely provided at the middle part of the valve body 1', and a bypass type control valve 14 'is provided in the adjusting hole 13'. In use, the inner and outer expansion of the valve core 141 ' of the regulating valve are utilized to realize the cut-off and the conduction of the air inlet hole 11 ' and the air outlet hole 12 '.
Here, above inlet port 11 'and venthole 12' are dislocation set, and it switches on and utilizes horizontal overall arrangement's regulation hole 13' to accomplish, and this air current channel when can making to switch on is very unsmooth, has great pressure loss, and it will seriously influence the result of use of spray gun.
In addition, the above valve body 1 is a non-revolving body shaped structure, which is troublesome to process, and has a long process flow and high processing cost due to the existence of multi-directional hole series processing.
Moreover, the arrangement of the side-mounted regulating valve can lead to larger occupied space of the whole valve body 1, thus leading to large and loose integral structure of the paint spraying gun, and being not beneficial to packaging, storage and transportation.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model designs the axially-adjusted paint gun gas flow adjusting valve which adopts the accessory structural design of a revolving body and has the characteristics of small gas adjusting pressure loss, compact structure, simple and convenient processing and economic cost.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an axial regulation's paint gun gas flow governing valve which characterized in that: comprises a valve body, a left valve body insert and an adjusting threaded sleeve; the valve body is formed by connecting a left valve body and a right valve body of a revolving body structure; the center of the right end of the left valve body is provided with an air inlet center hole, and the periphery of the bottom of the air inlet center hole is provided with a plurality of air inlet side through holes at intervals along the circumferential direction; a gas outlet center hole is formed in the center of the left end of the left valve body, and a plurality of gas outlet side through holes are formed in the periphery of the bottom of the gas outlet center hole at intervals along the circumferential direction; a sealing boss is arranged on the outer wall of the left valve body between the air outlet side through hole and the air inlet side through hole, and a sealing rubber ring is arranged on the side, close to the air inlet side through hole, of the sealing boss; the outer wall of the left valve body is provided with a mounting groove at the left side of the air outlet side through hole, and the left valve body insert is hermetically assembled on the mounting groove; the center of the right valve body is provided with an air inlet through hole, and the outlet of the air inlet through hole is connected with the right end of the left valve body; the left valve body insert is movably connected with the right valve body insert through a thread, the right end of the adjusting threaded sleeve is connected with the outer wall of the right valve body through a thread, the outer wall of the left end of the adjusting threaded sleeve is movably connected with the inner hole wall of the left valve body insert in a sealing mode, a gap is reserved between the inner hole of the adjusting threaded sleeve and the left valve body to form an outer air flow passage, a sealing inclined surface is arranged in the middle of the inner hole of the adjusting threaded sleeve, and the sealing inclined surface can abut against a sealing rubber ring on the left valve body to seal the outer air flow passage when the adjusting threaded sleeve rotates relative to the right valve body thread.
More specifically, a sealing ring is arranged between the outer wall of the left end of the adjusting threaded sleeve and the inner hole wall of the insert of the left valve body.
More specifically, the threaded connection part of the right end of the adjusting threaded sleeve and the outer wall of the right valve body is provided with a sealing ring.
More specifically, the outlet of the air inlet through hole is connected with the outer side of the right end of the left valve body through a thread structure.
More specifically, the outer wall of the adjusting screw sleeve is provided with a ratchet which is convenient for fingers to exert force.
The utility model is an axially-adjusted gas flow regulating valve which is composed of a valve body, a left valve body insert and a regulating screw sleeve, and a complete gas flow passage is composed of a gas inlet straight-through hole, a gas inlet central hole, a gas inlet side through hole, an outer gas flow passage, a gas outlet side through hole and a gas outlet central hole. When the adjusting screw sleeve is used, the adjusting screw sleeve is driven to move relative to the left valve body through the thread rotation of the adjusting screw sleeve relative to the right valve body, so that the sealing inclined plane on the adjusting screw sleeve is abutted and sealed or separated from the sealing rubber ring on the left valve body, and the stop or the conduction of an external air flow passage is realized.
In the above airflow passage, the gas enters the outer airflow passage from the air inlet center hole through the plurality of air inlet side through holes which are circumferentially distributed, and then returns to the air outlet center hole through the plurality of air outlet side through holes which are circumferentially distributed.
The left valve body, the left valve body insert, the right valve body and the adjusting screw sleeve are all of a revolving body structure, hole systems in multiple directions on the revolving body structure are easier to process, the process flow is short, the process cost is low, and the production cost can be reduced to a certain extent.
In addition, above coaxial-type flow control knob sets up, and the product occupation space is less, and compact structure can effectively reduce the whole volume of spray gun, is favorable to the packing, the storage and the transportation in later stage.
Drawings
FIG. 1 is a schematic structural diagram of a conventional gas flow control valve;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic structural view of the present invention in an open state.
Detailed Description
As shown in fig. 2 and 3, the axially-adjusted gas flow control valve for the paint spray gun comprises a valve body 1, a left valve body insert 2 and an adjusting screw sleeve 3.
The valve body 1 is formed by connecting a left valve body 11 and a right valve body 12 of a revolving body structure.
The right end center of the left valve body 11 is provided with an air inlet center hole 111, the periphery of the bottom of the air inlet center hole 111 is provided with a plurality of air inlet side through holes 112 at intervals along the circumferential direction, and the air inlet side through holes 112 are arranged at equal intervals along the circumferential direction in order to ensure stable air flow.
The left end center of the left valve body 11 is provided with a gas outlet center hole 113, and the periphery of the bottom of the gas outlet center hole 113 is provided with a plurality of gas outlet side through holes 114 at intervals along the circumferential direction. Also, to ensure smooth flow, the above air outlet side through holes 114 are arranged at equal intervals in the circumferential direction.
A sealing boss 115 is arranged on the outer wall of the left valve body 1 between the air outlet side through hole 114 and the air inlet side through hole 112, and a sealing rubber ring 116 is arranged on the side, close to the air inlet side through hole, of the sealing boss 115. Here, in order to increase the contact area during sealing, the sealing rubber ring 116 is shown to have a rounded corner 1161.
The outer wall of the left valve body 11 is provided with a mounting groove 117 of a right-angle structure at the left side of the air outlet side through hole 114, and the left valve body insert 2 is hermetically assembled on the mounting groove 117.
The center of the right valve body 12 is provided with an air inlet through hole 121, and the outlet of the air inlet through hole 121 is connected with the right end of the left valve body 1. Here, the left and right valve bodies 11 and 12 are screwed together in consideration of convenience of connection and also in consideration of the need for later disassembly.
The adjusting threaded sleeve 3 is arranged between the left valve body insert 2 and the right valve body 12. The right end of the adjusting screw sleeve 3 is in threaded connection with the outer wall of the right valve body 12, and a sealing rubber ring 41 is arranged at the connection part of the right valve body and the adjusting screw sleeve in order to ensure the connection tightness of the right valve body and the adjusting screw sleeve. Meanwhile, the outer wall of the left end of the adjusting screw sleeve 3 is in sealing and movable connection with the inner hole wall of the left valve body insert 2, and a sealing rubber ring 42 is arranged at the connection part of the adjusting screw sleeve and the inner hole wall to ensure the sealing performance of the movable connection.
A gap is reserved between the inner hole of the adjusting threaded sleeve 3 and the left valve body 11 to form an outer air flow passage 5, meanwhile, a sealing inclined surface 31 is arranged in the middle of the inner hole of the adjusting threaded sleeve 3, when the adjusting threaded sleeve 3 rotates relative to the right valve body 12 in a threaded mode, the whole adjusting threaded sleeve 3 can move left and right relative to the left valve body 11, and then the sealing inclined surface 31 abuts against and seals or separates from a sealing rubber ring 116 on the left valve body 11.
Here, in order to facilitate the finger force when the adjusting screw sleeve 3 rotates, the outer wall of the adjusting screw sleeve 3 is provided with ratchets 32, so as to enhance the frictional resistance when the finger is operated.
In summary, the valve body 1, the left valve body insert 2 and the adjusting screw sleeve 3 form an axially-adjusted gas flow adjusting valve, and a complete gas flow passage is formed by the gas inlet through hole 121, the gas inlet center hole 111, the gas inlet side through hole 112, the outer gas flow passage 5, the gas outlet side through hole 114 and the gas outlet center hole 113. In use, the adjusting screw sleeve 3 moves left and right relative to the left valve body 11, so that the sealing inclined plane 31 on the adjusting screw sleeve 3 is sealed or separated from the sealing rubber ring 116 on the left valve body 11, and the stop or the conduction of the external air flow passage 5 is realized, and the control operation of the gas flow adjusting valve is completed.
In the above airflow path, the gas enters the outer airflow path 5 from the air inlet center hole 111 through the plurality of air inlet side through holes 112 which are circumferentially arranged, and then returns to the air outlet center hole 113 through the plurality of air outlet side through holes 114 which are circumferentially arranged.
In addition, the left valve body 11, the left valve body insert 2, the right valve body 12 and the adjusting screw sleeve 3 are all of a revolving body structure, the machining of the left valve body and the holes in the left valve body insert 2 and the right valve body 12 in multiple directions is easier, the process flow is short, the process cost is low, and the production cost can be reduced to a certain extent.
Moreover, the coaxial flow adjusting knob is arranged, so that the occupied space of a product is smaller, the structure is compact, the whole volume of the paint spraying gun can be effectively reduced, and the later-stage packaging, storage and transportation are facilitated.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change or modification made to the above embodiments according to the technical principle of the present invention still falls within the scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a spray gun gas flow control valve of axial adjustment which characterized in that: comprises a valve body, a left valve body insert and an adjusting threaded sleeve; the valve body is formed by connecting a left valve body and a right valve body of a revolving body structure; the center of the right end of the left valve body is provided with an air inlet center hole, and the periphery of the bottom of the air inlet center hole is provided with a plurality of air inlet side through holes at intervals along the circumferential direction; a gas outlet center hole is formed in the center of the left end of the left valve body, and a plurality of gas outlet side through holes are formed in the periphery of the bottom of the gas outlet center hole at intervals along the circumferential direction; a sealing boss is arranged on the outer wall of the left valve body between the air outlet side through hole and the air inlet side through hole, and a sealing rubber ring is arranged on the side, close to the air inlet side through hole, of the sealing boss; the outer wall of the left valve body is provided with a mounting groove at the left side of the air outlet side through hole, and the left valve body insert is hermetically assembled on the mounting groove; the center of the right valve body is provided with an air inlet through hole, and an outlet of the air inlet through hole is connected with the right end of the left valve body; the adjusting threaded sleeve is installed between the left valve body insert and the right valve body, the right end of the adjusting threaded sleeve is in threaded connection with the outer wall of the right valve body, the outer wall of the left end of the adjusting threaded sleeve is in sealing movable connection with the inner hole wall of the left valve body insert, a gap is reserved between the inner hole of the adjusting threaded sleeve and the left valve body to form an outer air flow passage, a sealing inclined surface is arranged in the middle of the inner hole of the adjusting threaded sleeve, and the sealing inclined surface can abut against a sealing rubber ring on the left valve body to seal when the adjusting threaded sleeve rotates relative to the right valve body thread to stop the outer air flow passage.
2. An axially adjustable paint gun gas flow regulator as claimed in claim 1 in which: and a sealing ring is arranged between the outer wall of the left end of the adjusting threaded sleeve and the inner hole wall of the insert of the left valve body.
3. The axially adjustable paint gun gas flow regulator valve of claim 1 wherein: and a sealing ring is arranged at the threaded connection part of the right end of the adjusting screw sleeve and the outer wall of the right valve body.
4. An axially adjustable spray gun gas flow regulator as claimed in any one of claims 1 to 3 in which: and the outlet part of the air inlet straight-through hole is connected with the outer side of the right end of the left valve body through a threaded structure.
5. An axially adjustable spray gun gas flow regulator as claimed in any one of claims 1 to 3 in which: the outer wall of the adjusting screw sleeve is provided with a ratchet which is convenient for fingers to apply force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122048806.6U CN216951677U (en) | 2021-08-27 | 2021-08-27 | Axially-adjusted gas flow regulating valve of paint spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122048806.6U CN216951677U (en) | 2021-08-27 | 2021-08-27 | Axially-adjusted gas flow regulating valve of paint spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216951677U true CN216951677U (en) | 2022-07-12 |
Family
ID=82288509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122048806.6U Active CN216951677U (en) | 2021-08-27 | 2021-08-27 | Axially-adjusted gas flow regulating valve of paint spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216951677U (en) |
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2021
- 2021-08-27 CN CN202122048806.6U patent/CN216951677U/en active Active
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