CN220759633U - Flow regulating structure of spray gun - Google Patents
Flow regulating structure of spray gun Download PDFInfo
- Publication number
- CN220759633U CN220759633U CN202322162776.0U CN202322162776U CN220759633U CN 220759633 U CN220759633 U CN 220759633U CN 202322162776 U CN202322162776 U CN 202322162776U CN 220759633 U CN220759633 U CN 220759633U
- Authority
- CN
- China
- Prior art keywords
- valve needle
- adjusting
- adjusting screw
- regulating
- flow regulating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 31
- 239000007921 spray Substances 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 7
- 210000004907 gland Anatomy 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 238000000889 atomisation Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses a flow regulating structure of a spray gun, which comprises a gun body, a compression nut, a containing cavity, a nozzle, an atomization hood, a valve needle spring and a wrench, wherein a liquid internal channel is arranged in the containing cavity, the valve needle is arranged at the lower part of the liquid internal channel, a limiting surface for regulating flow is arranged at the middle part of the valve needle, a regulating screw rod which is vertically arranged with the valve needle is arranged at the upper part of the liquid internal channel, a regulating surface which is correspondingly matched with the limiting surface is arranged at the lower end of the regulating screw rod, the regulating screw rod is connected with the regulating knob in a threaded manner, the regulating surface is in inclined surface moving contact with the limiting surface of the valve needle through the upward and downward movement of the regulating screw rod, the limiting surface and the valve needle are pushed to transversely move out, or the limiting surface and the valve needle are transversely returned through the cooperation with the valve needle spring, so that the function of regulating the opening stroke of the valve needle is achieved.
Description
Technical Field
The utility model relates to the technical field of spray guns, in particular to a flow regulating structure of a spray gun.
Background
The spray gun sprays liquid and paint into the gun body and the material pot through external air pressure, so that pressure is generated in the material pot, and the pressure is pressed into the liquid channel through the straw channel. The liquid passage is provided with a valve needle and a nozzle at the front end of the valve needle, and is pre-tightly sealed by a valve needle spring at the rear end of the valve needle. The valve needle rear end is provided with seal structure, and the valve needle rear end sets up the fulcrum of being pulled, and the valve needle front end seals with the nozzle pretension. The spray is opened by moving the valve needle, i.e. the nozzle opening. The valve needle opening is moved by an external spanner linkage. The upper turning point of the wrench is fixed outside the gun body, the middle part is provided with a linkage point matched with the pulling valve needle, and the lower part of the wrench is provided with a stress point part. The three parts of the wrench form a lever type arm of force. The conventional flow regulation is to control the rotation and swing angle of the wrench through the knob travel arranged on the stress point of the wrench so as to control the displacement of the valve needle in a linkage manner, and finally achieve the travel flow control of regulation and nozzle opening. The disadvantage of this type of flow control is that:
1. in this way, the flow rate is regulated, the back of the regulating knob must be matched with the resisting part, and a certain maximum space is reserved. There is a space requirement.
2. An adjusting knob is arranged in a limited space between the wrench and the resisting surface, so that the rotating adjusting knob is inconvenient to operate, and the flexibility of rotating the adjusting knob is hindered.
Disclosure of Invention
The utility model aims to provide a flow regulating structure of a spray gun, which has the characteristics of simple and efficient structure, direct acting of regulating stroke on a valve needle, relatively independent flow regulating operation, easier and flexible operation of a regulating knob, and no limitation to the cooperation of other main bodies.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a spray gun flow control structure, includes the rifle body, the air-out end of the rifle body is connected with gland nut, gland nut with be formed with between the rifle body and hold the chamber, hold the one end that the chamber is close to gland nut and be equipped with the nozzle, the cooperation is connected with atomizing hood on the nozzle, is equipped with needle and needle spring in the rifle body, rifle body other end spanner, hold the intracavity and be equipped with liquid internal passageway, this liquid internal passageway lower part is located to the needle, and the needle middle part is equipped with the spacing face of regulating flow, and liquid internal passageway upper portion is equipped with the adjusting screw who sets up perpendicularly with the needle, and the adjusting screw lower extreme is equipped with the regulating surface that matches with spacing face, and adjusting screw upper end spiro union has adjust knob.
Preferably, the outer end of the upper part of the liquid internal channel is provided with a stop ring, and an elastic buckle which is matched with the stop ring, is fixed in a vertical limiting way and can axially rotate is arranged in the adjusting knob.
Further preferably, the limiting surface and the adjusting surface are inclined surfaces which are mutually matched.
Further preferably, the limiting surface and the adjusting surface are provided with fine teeth.
Further preferably, the valve needle comprises a valve needle rear end and a valve needle front end, a connecting groove is formed in the valve needle rear end, a sealing end is arranged on one side of the valve needle rear end, the limiting surface extends to the bottom end of the connecting groove from the upper portion of the sealing end in a tilting mode, and the bottom end of the adjusting screw can be inserted into the connecting groove in a matching mode, so that the adjusting surface is in contact with the limiting surface in a matching tilting mode.
Further preferably, the upper part and the lower part of the adjusting screw are respectively provided with an upper screw joint and a lower screw joint, and the adjusting surface is arranged at the bottom of the lower screw joint.
Further preferably, an upper screw joint is arranged at the upper part of the adjusting screw, a fool-proof part is arranged at the lower part of the adjusting screw, and the adjusting surface is arranged at the bottom of the fool-proof part.
Further preferably, a limiting hole which is convenient for the penetration of the adjusting screw rod is arranged at the upper part of the liquid internal channel, and a fool-proof hole which is matched with the fool-proof part is arranged at the lower end of the limiting hole.
In summary, the utility model has the following beneficial effects: this spray gun flow control structure directly acts on the needle, reciprocates through adjusting screw, makes the spacing face inclined plane of adjusting face and needle remove the contact to reach the function of adjusting the needle and open the stroke size, its simple structure is high-efficient, adjusts the stroke and directly acts on the needle, and adjusts the flow operation relatively independent, the operation adjust knob of more nimble, is not limited by the cooperation of other main part.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic exploded view of the present utility model.
Fig. 3 is an exploded cross-sectional view of the present utility model.
Fig. 4 is a schematic view of the exploded structure of the adjusting screw and the valve needle of the present utility model.
Fig. 5 is a cross-sectional view of the valve needle opening mode of the present utility model.
Fig. 6 is a cross-sectional view of the valve needle closing mode of the present utility model.
In the figure: 1. a gun body; 2. a valve needle spring; 3. an adjustment knob; 4. adjusting a screw; 5. a valve needle; 6. a nozzle; 7. an atomizing hood; 8. a compression nut; 9. a wrench; 10. a receiving chamber; 1-1, a stop ring; 1-2, a liquid channel; 1-3, limiting holes; 1-4, fool-proof holes; 3-1, elastic buckles; 4-1, upper screw joint; 4-2, adjusting surface; 4-3, fool-proof parts; 5-1, a limiting surface; 5-2, the rear end of the valve needle; 5-3, sealing end; 5-4, the front end of the valve needle; 5-5, connecting grooves.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in figures 1-6, the flow regulating structure of the spray gun comprises a gun body 1, wherein an air outlet end of the gun body 1 is connected with a compression nut 8, a containing cavity 10 is formed between the compression nut 8 and the gun body 1, one end, close to the compression nut 8, of the containing cavity 10 is provided with a nozzle 6, an atomization hood 7 is connected on the nozzle 6 in a matched mode, a valve needle 5 and a valve needle spring 2 are arranged in the gun body 1, a spanner 9 at the other end of the gun body 1 is arranged in the containing cavity 10, a liquid internal channel 1-2 is arranged in the containing cavity 10, the valve needle 5 is arranged at the lower part of the liquid internal channel 1-2, a limit surface 5-1 for regulating flow is arranged in the middle of the valve needle 5, an adjusting screw 4 which is perpendicular to the valve needle 5 is arranged at the upper part of the liquid internal channel 1-2, an adjusting surface 4-2 which is correspondingly matched with the limit surface 5-1 is arranged at the lower end of the adjusting screw 4, the adjusting screw 4 upper end spiro union has adjust knob 3, limit face 5-1 and adjusting surface 4-2 are the inclined plane that mutually supports the setting, through adjusting screw 4 reciprocates, make adjusting surface 4-2 and the limit face 5-1 inclined plane of needle 5 remove the contact, promote limit face 5-1 and needle 5 transversely shift out, or through cooperating with needle spring 2, make limit face 5-1 and the horizontal return of needle 5, thereby reach the function of adjusting the needle 5 and open the stroke size, its simple structure is high-efficient, adjust the stroke and directly act on needle 5, and adjust the flow operation relatively independent, the flexible operation adjust knob 3 of more easy, not limited by the cooperation of other main part.
In this embodiment, the outer end of the upper portion of the liquid inner channel 1-2 is provided with a stop ring 1-1, the inside of the adjusting knob 3 is provided with an elastic buckle 3-1 which is matched with the stop ring 1-1, is fixed in an up-down limiting manner and can rotate axially, the adjusting screw 4 is driven by the rotation of the adjusting knob 3 to displace up and down, so that the adjusting surface 4-2 of the adjusting screw 4 forms a triangular surface, and a transverse distance difference is generated, namely the distance difference can be determined according to the required adjusting stroke, and the upper portion of the liquid inner channel 1-2 where the adjusting screw 4 is installed is communicated with the lower portion where the valve needle 5 is installed.
In this embodiment, the limiting surface 5-1 and the adjusting surface 4-2 are provided with fine teeth, which is favorable for reducing the combined friction force when the two surfaces are in contact with each other and is favorable for moving the limiting surface 5-1 left and right while the adjusting surface 4-2 moves up and down.
In this embodiment, the valve needle 5 includes a valve needle rear end 5-2 and a valve needle front end 5-4, a connecting groove 5-5 is formed in the valve needle rear end 5-2, a sealing end 5-3 is arranged on one side of the valve needle rear end 5-2, the limiting surface 5-1 extends obliquely from the upper portion of the sealing end 5-3 to the bottom end of the connecting groove 5-5, the bottom end of the adjusting screw 4 can be inserted into the connecting groove 5-5 in a matched manner, so that the adjusting surface 4-2 is in oblique contact with the limiting surface 5-1, and the adjusting surface 4-2 can accurately abut against the limiting surface 5-1 through the connecting groove 5-5 formed in the valve needle rear end 5-2 when the adjusting screw 4 moves up and down.
In this embodiment, the upper portion and the lower portion of the adjusting screw 4 are respectively provided with an upper screw joint 4-1 and a lower screw joint, the adjusting surface 4-2 is arranged at the bottom of the lower screw joint, and the rotating stroke is reduced more effectively by arranging the adjusting screw 4 into a multi-head thread structure, so that the contact time between the adjusting surface 4-2 and the limiting surface 5-1 is reduced.
In this embodiment, the adjusting screw 4 upper portion is equipped with upper thread joint 4-1, and adjusting screw 4 lower part is equipped with square or abnormal shape and prevents slow-witted portion, and the regulating surface 4-2 is seted up and is prevented slow-witted portion bottom, liquid internal passage 1-2 upper portion is equipped with the spacing hole of being convenient for adjusting screw 4 interlude, and spacing hole lower extreme is equipped with prevents slow-witted hole that prevents that slow-witted portion cooperation from setting up, and then prevents that adjust knob 3 from taking place free rotation when driving adjusting screw 4.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.
Claims (8)
1. The utility model provides a spray gun flow control structure, includes the rifle body (1), and the air-out end of rifle body (1) is connected with gland nut (8), gland nut (8) with be formed with between the rifle body (1) and hold chamber (10), hold chamber (10) and be close to one end of gland nut (8) and be equipped with nozzle (6), the cooperation is connected with atomizing hood (7) on nozzle (6), is equipped with needle (5) and needle spring (2) in rifle body (1), rifle body (1) other end spanner (9), its characterized in that: the liquid valve is characterized in that a liquid internal channel (1-2) is arranged in the accommodating cavity (10), the valve needle (5) is arranged at the lower part of the liquid internal channel (1-2), a limiting surface (5-1) for adjusting flow is arranged at the middle part of the valve needle (5), an adjusting screw (4) perpendicular to the valve needle (5) is arranged at the upper part of the liquid internal channel (1-2), an adjusting surface (4-2) corresponding to the limiting surface (5-1) is arranged at the lower end of the adjusting screw (4), and an adjusting knob (3) is screwed at the upper end of the adjusting screw (4).
2. A lance flow regulating structure according to claim 1, wherein: the outer end of the upper part of the liquid internal channel (1-2) is provided with a stop ring (1-1), and an elastic buckle (3-1) which is matched with the stop ring (1-1), is fixed in a vertical limiting way and can axially rotate is arranged in the adjusting knob (3).
3. A lance flow regulating structure according to claim 1, wherein: the limiting surface (5-1) and the adjusting surface (4-2) are inclined surfaces which are mutually matched.
4. A lance flow regulating structure according to claim 1, wherein: the limiting surface (5-1) and the adjusting surface (4-2) are provided with fine teeth.
5. A lance flow regulating structure according to claim 1, wherein: the valve needle (5) comprises a valve needle rear end (5-2) and a valve needle front end (5-4), a connecting groove (5-5) is formed in the valve needle rear end (5-2), a sealing end (5-3) is arranged on one side of the valve needle rear end (5-2), the limiting surface (5-1) extends to the bottom end of the connecting groove (5-5) from the upper inclined part of the sealing end (5-3), and the bottom end of the adjusting screw (4) can be inserted into the connecting groove (5-5) in a matched mode, so that the adjusting surface (4-2) is in inclined contact with the limiting surface (5-1) in a matched mode.
6. A lance flow regulating structure according to claim 1, wherein: the upper part and the lower part of the adjusting screw (4) are respectively provided with an upper screw joint (4-1) and a lower screw joint, and the adjusting surface (4-2) is arranged at the bottom of the lower screw joint.
7. A lance flow regulating structure according to claim 1, wherein: the upper part of the adjusting screw (4) is provided with an upper screw joint (4-1), the lower part of the adjusting screw (4) is provided with a fool-proof part (4-3), and the adjusting surface (4-2) is arranged at the bottom of the fool-proof part (4-3).
8. A lance flow regulating structure according to claim 7, wherein: the upper part of the liquid internal channel (1-2) is provided with a limiting hole (1-3) which is convenient for the penetration of the adjusting screw (4), and the lower end of the limiting hole (1-3) is provided with a fool-proof hole (1-4) which is matched with the fool-proof part (4-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322162776.0U CN220759633U (en) | 2023-08-11 | 2023-08-11 | Flow regulating structure of spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322162776.0U CN220759633U (en) | 2023-08-11 | 2023-08-11 | Flow regulating structure of spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220759633U true CN220759633U (en) | 2024-04-12 |
Family
ID=90618034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322162776.0U Active CN220759633U (en) | 2023-08-11 | 2023-08-11 | Flow regulating structure of spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220759633U (en) |
-
2023
- 2023-08-11 CN CN202322162776.0U patent/CN220759633U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106179822B (en) | A kind of novel spray gun for capableing of adjusting coating ejection amplitude | |
| CN220759633U (en) | Flow regulating structure of spray gun | |
| CN206503955U (en) | A kind of pressure maintaining valve | |
| CN113719388B (en) | Dual-fuel injector | |
| US9856827B2 (en) | Anti-adjusting rotary valve type carburetor | |
| KR101642254B1 (en) | Air gun that has a piston of split type | |
| CN218761533U (en) | Multifunctional water inlet valve | |
| CN217527895U (en) | Gun body assembly of spraying equipment | |
| CN213612093U (en) | Atomizing spray gun for spraying small metal parts | |
| CN221907726U (en) | Spray gun | |
| CN104353568B (en) | A kind of spray gun device | |
| CN108237028B (en) | Single-shaft spray gun | |
| CN111438012A (en) | Automatic spray gun | |
| CN208066591U (en) | A kind of single axle spray gun | |
| EP1429061A1 (en) | Self-closing tap with adjustable dispensing time | |
| CN220850201U (en) | Overflow valve with flow control | |
| CN220151871U (en) | Piston of automatic oil gun for cake mould box | |
| CN220027407U (en) | Oil flow regulator for automatic oil gun of cake mould box | |
| CN212397061U (en) | Automatic spray gun | |
| CN206046315U (en) | A kind of novel spray gun for being capable of adjusting coating ejection amplitude | |
| CN212349195U (en) | Air flow adjusting structure of paint spraying gun | |
| CN221401830U (en) | Valve core damping adjustable one-way valve | |
| US12085182B2 (en) | Pressure regulating valve assembly for pneumatic spray gun | |
| CN218945365U (en) | Automatic spray gun for leather spraying | |
| CN216573706U (en) | Spray gun |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |