CN214036315U - Pressure regulating valve and spraying machine - Google Patents
Pressure regulating valve and spraying machine Download PDFInfo
- Publication number
- CN214036315U CN214036315U CN202022714188.XU CN202022714188U CN214036315U CN 214036315 U CN214036315 U CN 214036315U CN 202022714188 U CN202022714188 U CN 202022714188U CN 214036315 U CN214036315 U CN 214036315U
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure
- rod
- regulating valve
- valve body
- 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.)
- Expired - Fee Related
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 46
- 238000005507 spraying Methods 0.000 title claims description 13
- 238000007789 sealing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 22
- 230000006872 improvement Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007363 regulatory process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Landscapes
- Safety Valves (AREA)
Abstract
The utility model relates to a pressure regulating valve and flush coater, this pressure regulating valve includes the valve body, install in the valve port of the valve body top, install in valve stem and ejector pin in the valve body, connect the valve ball between valve port and valve stem, connect in the spring between valve stem and ejector pin and connect in the knob of ejector pin, the valve body extends along the axial, rotate the knob, in order to drive the ejector pin and reciprocate along the axial in the valve body; the valve ball and the valve rod are of a split structure, the valve rod comprises a notch arranged at the top, the valve ball is arranged in the notch, the valve port comprises a channel arranged in the middle, and the valve rod pushes the valve ball to abut against the valve port and seal the channel. The utility model discloses a with valve ball and the components of a whole that can function independently setting of valve rod, effectively avoid the air to pass through in the oil pocket that the valve port got into the diaphragm pump, work efficiency when improving the flush coater and start once more.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a pressure regulating valve and flush coater, in particular to pressure regulating valve and have this pressure regulating valve's flush coater in the high pressure spraying field.
[ background of the invention ]
The diaphragm pump type of the high-pressure airless sprayer is provided with a pressure regulating valve structure, the pressure regulating valve is used for discharging air in an oil cavity of the diaphragm pump and indirectly regulating the pressure of an upper cavity (output end) of the diaphragm by regulating the pressure of a lower cavity (oil cavity) of the diaphragm pump so as to meet the pressure spraying requirement.
The structural principle of the pressure regulating valve on the market at present is as follows: the pressure regulating knob is rotated to enable the internal spring to generate compression deformation, the valve ball riveted on the valve ball rod props against the valve port, the overflow opening force of the valve ball and the valve port is also the hydraulic pressure in the oil cavity, and the elastic force of the regulating spring also achieves the purpose of regulating the output pressure. The structure can normally regulate pressure and work under the conditions of machine starting state and normal internal circulation of the oil duct; when the rest is suspended or the materials are changed midway or the cleaning is finished, the pressure regulating knob is screwed out under the condition of temporarily cutting off the power supply, the pressure is reduced, the separation of the valve port and the valve ball is easily caused due to the separation of the internal spring, and the air enters the oil cavity; when the machine is started again, the internal diaphragm pump cannot respond to the blowing work immediately, and the exhausted air needs to be debugged again, so that the time of fault treatment is prolonged, and great trouble is caused to the use of a user.
In addition, the valve ball and the valve ball rod in the prior art are in an integrated riveting process, the structure is complex, and the cost is high.
Accordingly, there is a need for an improved pressure regulating valve and applicator that overcomes the deficiencies of the prior art.
[ Utility model ] content
The utility model aims to provide a simple structure and low-cost pressure regulating valve and flush coater not enough to prior art.
The utility model provides a prior art problem can adopt following technical scheme: a pressure regulating valve comprises a hollow valve body, a valve port arranged at the top end of the valve body, a valve rod and an ejector rod arranged in the valve body, a valve ball connected between the valve port and the valve rod, a spring connected between the valve rod and the ejector rod and a knob connected to the ejector rod, wherein the valve body extends along the axial direction, and the knob is rotated to drive the ejector rod to move up and down in the valve body along the axial direction; the valve ball and the valve rod are of a split structure, the valve rod comprises a notch arranged at the top, the valve ball is arranged in the notch, the valve port comprises a channel arranged in the middle, and the valve rod pushes the valve ball to abut against the valve port and seals the channel.
The further improvement scheme is as follows: the valve rod is including setting up in the first connecting portion of bottom, the ejector pin is including setting up in the second connecting portion at top, spring coupling in first connecting portion with between the second connecting portion.
The further improvement scheme is as follows: the valve rod comprises a first guide part protruding outwards from the outer peripheral surface in the radial direction, the first guide part is attached to the inner wall of the valve body in an abutting mode, and the first guide part is located between the first connecting part and the notch.
The further improvement scheme is as follows: the push rod comprises a thread adjusting part arranged at the lower end of the second connecting part, an internal thread corresponding to the thread adjusting part is arranged on the inner wall of the valve body, and the push rod moves up and down in the valve body along the axial direction through the thread adjusting part.
The further improvement scheme is as follows: the valve body comprises a moving groove which is inwards recessed from the inner wall in the radial direction, and the second guide part moves up and down in the moving groove along the axial direction.
The further improvement scheme is as follows: the ejector rod comprises an annular accommodating groove which is recessed inwards in the radial direction from the outer peripheral surface of the second guide part, the pressure regulating valve comprises a sealing element arranged in the accommodating groove, and the sealing element is abutted against the inner wall of the valve body.
The further improvement scheme is as follows: the ejector rod comprises a combined part located at the lower end of the second guide part, the combined part extends out of the bottom of the valve body, the pressure regulating valve comprises a first connecting piece connected with the combined part and the knob, and the first connecting piece axially penetrates through the knob and is inserted into the bottom of the combined part.
The further improvement scheme is as follows: the pressure regulating valve further comprises a second connecting piece which is connected with the combining part and the knob, the combining part comprises a flat position which is arranged on the side face, and the second connecting piece penetrates through the side wall of the knob and abuts against the flat position.
The further improvement scheme is as follows: the top surface of the valve body is provided with an inwards-concave mounting seat, and the valve port is arranged in the mounting seat.
The utility model provides a prior art problem still can adopt following technical scheme: a spraying machine comprises a machine body, a driving assembly and a diaphragm pump which are arranged in the machine body, and a pressure regulating valve connected to the outer side of the machine body, wherein the driving assembly drives the diaphragm pump to move; the pressure regulating valve is connected to the diaphragm pump and regulates the pressure of the diaphragm pump.
Compared with the prior art, the utility model discloses following beneficial effect has: the valve ball and the valve rod are arranged in a split mode, the pressure of the pressure regulating valve is reduced under the shutdown state by utilizing the adhesion of the valve ball and the valve port, the valve ball is separated from the valve rod, the pressure in the oil cavity and the external pressure are balanced, the valve ball is light in weight and can be attached to the valve port compared with the adhesion of the valve ball, the valve port and hydraulic oil, the weight can be ignored, air is effectively prevented from entering the oil cavity of the diaphragm pump through the valve port, and the working efficiency of the spraying machine when the spraying machine is restarted is greatly improved; in addition, compared with the existing integrated riveting process design of the valve ball and the valve rod, the valve ball and the valve rod are arranged in a split mode, the process is simple, and the cost is low.
[ description of the drawings ]
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:
FIG. 1 is a schematic view of the whole spraying machine of the present invention;
FIG. 2 is a schematic structural view of a pressure regulating valve in the applicator of FIG. 1;
FIG. 3 is a cross-sectional view taken in the direction A-A of the pressure regulating valve shown in FIG. 2;
fig. 4 is a schematic view of the pressure regulating valve of fig. 2 with the knob removed.
[ detailed description ] embodiments
The present invention will be described in further detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1, an embodiment of the present invention relates to a spray coater 200, the spray coater 200 includes a bracket 202, a handle 203 and a roller 204 connected to one end of the bracket 202, a supporting leg 205 and a handle 206 connected to the other end of the bracket 202, a body 201 fixed to the bracket 202, a driving assembly and a diaphragm pump (not shown) installed in the body 201, and a pressure regulating valve 100 connected to the outside of the body 201, wherein the driving assembly drives the diaphragm pump to move, an oil cavity is provided in the diaphragm pump, and the pressure regulating valve 100 is communicated with the oil cavity of the diaphragm pump and regulates the pressure in the oil cavity to achieve the required pressure spraying; the combination of handle portion 203 and roller 204 allows the user to more easily move applicator 200 to meet different work situations; the anti-slip sleeve is arranged on the supporting foot 205, so that the spraying machine 200 is not easy to move when working, the vibration generated in the working of the spraying machine 200 can be reduced, and the noise is reduced; handle 206 provides an additional option for moving applicator 200.
Referring to fig. 3, the pressure regulating valve 100 includes a hollow valve body 1, a valve port 2 installed at the top end of the valve body 1, a valve rod 3 and a stem 4 installed in the valve body 1, a valve ball 5 connected between the valve port 2 and the valve rod 3, a spring 6 connected between the valve rod 3 and the stem 4, and a knob 7 connected to the stem 4, wherein the valve body 1 extends along an axial direction, an inward-recessed mounting seat 13 is disposed on the top surface of the valve body 1, the valve port 2 is installed in the mounting seat 13, the stem 4 is fixedly connected to the valve body 1, the valve ball 5 is pressed against the valve port 2 by the valve rod 3 under the action of the spring 6, and at this time, the overflow opening force of the valve ball 5 and the valve port 2 is also the hydraulic pressure in the oil chamber; the user rotates the knob 7, drives the ejector rod 4 to move up and down along the axial direction in the valve body 1, and the acting force of the spring 6 changes accordingly, so that the effect of adjusting the output pressure is achieved.
As shown in fig. 2, the valve body 1 includes a threaded connection portion 14 disposed at an outer periphery of an upper end, a backflow hole 17 located at a lower side of the threaded connection portion 14, a groove 16 disposed at a lower end of the threaded connection portion 14, a sealing ring 18 disposed in the groove 16, and a tightening portion 15 disposed at a lower end of the groove 16, the pressure regulating valve 100 is detachably mounted on the body 201 via the threaded connection portion 14, an outer periphery of the tightening portion 15 is in a nut shape, and a user can quickly tighten or loosen the pressure regulating valve 100 by manipulating a tool such as a wrench; the return hole 17 is located on the upper side of the groove 16 and is communicated with an oil cavity of the diaphragm pump, the sealing ring 18 forms a seal between the valve body 1 and the body 201, in the pressure regulating process, oil overflowing from the valve port 2 returns to the oil cavity through the return hole 17, and the sealing ring 18 ensures that the oil passing through the return hole 17 does not penetrate to the outside of the pressure regulating valve 100.
Referring to fig. 3, the valve ball 5 and the valve stem 3 are in a split structure, the valve stem 3 includes a notch 31 disposed at the top, the valve ball 5 is disposed in the notch 31, the valve port 2 includes a channel 21 opened at the middle, the valve stem 3 pushes the valve ball 5 against the valve port 2 and closes the channel 21, and the notch 31 can perform a centering function on the valve ball 5. The valve ball 5 and the valve rod 3 are arranged in a split mode, the pressure of the pressure regulating valve 100 is reduced under the shutdown state by utilizing the adhesion of the valve ball 5 and the valve port 2, the valve ball 5 is separated from the valve rod 3, the pressure of an oil cavity is balanced with the external pressure, the weight of the valve ball 5 is negligible relative to the adhesion of the valve ball 5, the valve port 2 and hydraulic oil, the valve ball 5 can be attached to the valve port 2, air is effectively prevented from entering the oil cavity of the diaphragm pump through the valve port 2, and the working efficiency of the spraying machine 200 under the condition of restarting is greatly improved; in addition, for the integrative riveting technology design of current valve ball 5 and valve rod 3, set up valve ball 5 and valve rod 3 components of a whole that can function independently, simple process and with low costs.
In the present embodiment, the valve rod 3 includes a first guiding portion 32 protruding radially outward from the outer peripheral surface and a first connecting portion 33 disposed at the bottom, the first guiding portion 32 is located between the first connecting portion 33 and the recess 31, and the first guiding portion 32 abuts against the inner wall of the valve body 1, so that the axial positioning and guiding are ensured when the valve rod 3 moves in the valve body 1.
In the present embodiment, the push rod 4 includes a second connecting portion 41 provided at the top, a screw adjusting portion 42 provided at the lower end of the second connecting portion 41, a second guide portion 43 protruding radially outward from the outer peripheral surface, and a coupling portion 45 located at the lower end of the second guide portion 43, the spring 6 is connected between the first connecting portion 33 and the second connecting portion 41, and the second guide portion 43 is located at the lower end of the screw adjusting portion 42, that is, the second guide portion 43 is located between the coupling portion 45 and the screw adjusting portion 42. The inner wall of the valve body 1 is provided with an internal thread 11 corresponding to the thread adjusting portion 42 and a moving groove 12 recessed inward from the radial direction, the moving groove 12 is located below the internal thread 11, and the thread adjusting portion 42 is engaged with the internal thread 11, whereby the second guide portion 43 moves up and down in the axial direction in the moving groove 12 while the stem 4 moves up and down in the axial direction in the valve body 1 via the thread adjusting portion 42, and the second guide portion 43 ensures the axial positioning and guiding of the stem 4 in the valve body 1.
In this embodiment, the plunger 4 includes an annular receiving groove 44 recessed radially inward from the outer peripheral surface of the second guide portion 43, the pressure regulating valve 100 includes a sealing member 8 disposed in the receiving groove 44, the sealing member 8 abuts against the inner wall of the valve body 1, a part of the oil overflowing from the valve port 2 is not returned to the oil chamber through the return hole 17, and extends downward along the inner wall of the valve body 1, and the sealing ring 18 ensures that the part of the oil does not penetrate to the outside of the pressure regulating valve 100.
Referring to fig. 3, the pressure regulating valve 100 includes a first connecting member 9 and a second connecting member 10 connecting the joint portion 45 of the push rod 4 and the knob 7, the joint portion 45 extends out of the bottom of the valve body 1, the first connecting member 9 axially passes through the knob 7 and is inserted into the bottom of the joint portion 45, the second connecting member 10 abuts against the side surface of the joint portion 45, and the push rod 4 and the knob 7 are axially and radially fixed by the first connecting member 9 and the second connecting member 10, so that the push rod 4 can be driven to move up and down along the inner wall of the valve body 1 by rotating the knob 7.
Referring to fig. 4 again, specifically, the combining portion 45 includes a flat portion 451 provided on a side surface, and the second connecting member 10 passes through a side wall of the knob 7 and abuts against the flat portion 451 to realize radial fixation of the push rod 4 and the knob 7.
The utility model discloses a with valve ball 5 and valve rod 3 components of a whole that can function independently setting, utilize the adhesion of valve ball 5 and valve port 2, under the shutdown state, turn down the pressure of pressure regulating valve 100, valve ball 5 and valve rod 3 break away from, oil pocket pressure and external pressure reach equilibrium, because the quality of valve ball 5 is lighter, for the adhesion of valve ball 5 and valve port 2 and hydraulic oil, the quality can be neglected, valve ball 5 consequently can laminate at valve port 2, effectively avoid the air to get into in the oil pocket of diaphragm pump through valve port 2, the work efficiency under the condition of the flush coater 200 rebooting has been improved greatly; in addition, for the integrative riveting technology design of current valve ball 5 and valve rod 3, set up valve ball 5 and valve rod 3 components of a whole that can function independently, simple process and with low costs.
The present invention is not limited to the above-described embodiments. It will be readily appreciated by those skilled in the art that many other alternatives to the pressure regulating valve and applicator of the present invention may be made without departing from the spirit and scope of the invention. The protection scope of the present invention is subject to the content of the claims.
Claims (10)
1. A pressure regulating valve comprises a hollow valve body, a valve port arranged at the top end of the valve body, a valve rod and an ejector rod arranged in the valve body, a valve ball connected between the valve port and the valve rod, a spring connected between the valve rod and the ejector rod and a knob connected to the ejector rod, wherein the valve body extends along the axial direction, and the knob is rotated to drive the ejector rod to move up and down in the valve body along the axial direction; the method is characterized in that: the valve ball and the valve rod are of a split structure, the valve rod comprises a notch arranged at the top, the valve ball is arranged in the notch, the valve port comprises a channel arranged in the middle, and the valve rod pushes the valve ball to abut against the valve port and seals the channel.
2. The pressure-regulating valve of claim 1, wherein: the valve rod is including setting up in the first connecting portion of bottom, the ejector pin is including setting up in the second connecting portion at top, spring coupling in first connecting portion with between the second connecting portion.
3. The pressure-regulating valve of claim 2, wherein: the valve rod comprises a first guide part protruding outwards from the outer peripheral surface in the radial direction, the first guide part is attached to the inner wall of the valve body in an abutting mode, and the first guide part is located between the first connecting part and the notch.
4. The pressure-regulating valve of claim 2, wherein: the push rod comprises a thread adjusting part arranged at the lower end of the second connecting part, an internal thread corresponding to the thread adjusting part is arranged on the inner wall of the valve body, and the push rod moves up and down in the valve body along the axial direction through the thread adjusting part.
5. The pressure-regulating valve of claim 4, wherein: the valve body comprises a moving groove which is inwards recessed from the inner wall in the radial direction, and the second guide part moves up and down in the moving groove along the axial direction.
6. The pressure-regulating valve of claim 5, wherein: the ejector rod comprises an annular accommodating groove which is recessed inwards in the radial direction from the outer peripheral surface of the second guide part, the pressure regulating valve comprises a sealing element arranged in the accommodating groove, and the sealing element is abutted against the inner wall of the valve body.
7. The pressure-regulating valve of claim 5, wherein: the ejector rod comprises a combined part located at the lower end of the second guide part, the combined part extends out of the bottom of the valve body, the pressure regulating valve comprises a first connecting piece connected with the combined part and the knob, and the first connecting piece axially penetrates through the knob and is inserted into the bottom of the combined part.
8. The pressure-regulating valve of claim 7, wherein: the pressure regulating valve further comprises a second connecting piece which is connected with the combining part and the knob, the combining part comprises a flat position which is arranged on the side face, and the second connecting piece penetrates through the side wall of the knob and abuts against the flat position.
9. The pressure-regulating valve of claim 1, wherein: the top surface of the valve body is provided with an inwards-concave mounting seat, and the valve port is arranged in the mounting seat.
10. A spraying machine comprises a machine body, a driving assembly and a diaphragm pump which are arranged in the machine body, and a pressure regulating valve connected to the outer side of the machine body, wherein the driving assembly drives the diaphragm pump to move; the method is characterized in that: the pressure regulating valve according to any one of claims 1 to 9, which is connected to the diaphragm pump and regulates the pressure of the diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022714188.XU CN214036315U (en) | 2020-11-20 | 2020-11-20 | Pressure regulating valve and spraying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022714188.XU CN214036315U (en) | 2020-11-20 | 2020-11-20 | Pressure regulating valve and spraying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214036315U true CN214036315U (en) | 2021-08-24 |
Family
ID=77361043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022714188.XU Expired - Fee Related CN214036315U (en) | 2020-11-20 | 2020-11-20 | Pressure regulating valve and spraying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214036315U (en) |
-
2020
- 2020-11-20 CN CN202022714188.XU patent/CN214036315U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5220193B2 (en) | Improved fuel pump | |
| CN214036315U (en) | Pressure regulating valve and spraying machine | |
| JP4247567B2 (en) | 2-port valve | |
| CN210770265U (en) | Quick-acting switch drain valve | |
| JP2005088170A (en) | Compressed air screw fastening machine | |
| US20030235507A1 (en) | Miniature air compressor | |
| US6921315B2 (en) | Toy vehicle having an integral pump assembly | |
| CN210935481U (en) | Spray gun with long service life | |
| US7237409B2 (en) | Steam cleaner with safety device | |
| CN210279538U (en) | Pressure regulating valve and high-pressure airless spraying machine | |
| CN111042936A (en) | Pressure-driven energy-saving speed regulation system of high-pressure cleaning machine | |
| CN111112194B (en) | High-pressure cleaning machine capable of starting without load and automatically starting and stopping | |
| CN218574391U (en) | Low-noise stable flusher | |
| JP4367056B2 (en) | Diaphragm pump device | |
| CN2902486Y (en) | Cylinder structure of inclined disc type high pressure cleaning machine | |
| CN102364081A (en) | Plunger type single oil supply pump | |
| CN106194027B (en) | Upgradable integrated water-free self-suction drill | |
| CN216767616U (en) | Plunger rod for engine fuel pump | |
| JP4970154B2 (en) | Screw driving machine | |
| CN218544509U (en) | A kind of lighter | |
| CN201057078Y (en) | Piston cooling nozzle bolt | |
| CN219562109U (en) | Bellows subassembly assembly quality | |
| JP5047698B2 (en) | Screw driving machine | |
| CN111188683B (en) | High-pressure pump | |
| CN212177279U (en) | High-pressure pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210824 |