CN220850201U - Overflow valve with flow control - Google Patents
Overflow valve with flow control Download PDFInfo
- Publication number
- CN220850201U CN220850201U CN202322760441.9U CN202322760441U CN220850201U CN 220850201 U CN220850201 U CN 220850201U CN 202322760441 U CN202322760441 U CN 202322760441U CN 220850201 U CN220850201 U CN 220850201U
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- Prior art keywords
- valve
- control
- overflow
- valve body
- piston
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- 239000007788 liquid Substances 0.000 claims abstract description 20
- 210000001503 joint Anatomy 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 28
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model relates to the field of valves, in particular to an overflow valve with flow control; the valve comprises a valve body with an opening at the upper end, wherein a control valve rod is connected to the opening at the upper end of the valve body in a threaded manner, a control plate is connected to the lower end of the control valve rod in a rotating manner, a butt joint groove is formed in the inner wall of the valve cavity corresponding to the position of the control plate, and the butt joint groove is in sliding fit with the control plate. According to the utility model, the control valve rod, the butt joint groove and the control plate are arranged on the valve body, so that the flow of liquid passing through the valve cavity can be controlled before overflow, the flow of the liquid can be timely regulated by screwing the second hand wheel, the structure is simple, the flow regulation is convenient, the application range of the overflow valve is improved, and meanwhile, when the flow-regulated liquid circulates and impacts the valve piston structure, the elastic fatigue impact on the valve spring structure can be effectively reduced, and the service life of the overflow valve is further prolonged.
Description
Technical Field
The utility model relates to the field of valves, in particular to an overflow valve with flow control.
Background
In the oil supply equipment, an overflow valve is often arranged on an oil return pipeline, and when the oil pressure in the pipeline is too high, the overflow valve is opened to enable oil to return to an oil source. The traditional overflow valve comprises a valve body, a valve core and a spring, wherein a flow channel is arranged in the valve body, the flow channel is provided with an inlet at the bottom and an outlet at the side face, the valve core moves downwards under the action of the spring and is in sealing fit with a sealing port of the flow channel, the flow channel is cut off, and when the oil pressure at the inlet is increased, an oil product extrudes the valve core to move upwards, so that the flow channel is opened.
Existing relief valves, for example: the Chinese patent with the publication number of CN215058543U discloses an overflow valve, which comprises a valve body, a valve core and an elastic component, wherein a runner is arranged in the valve body, an inlet at the bottom and an outlet at the side are arranged in the runner, the valve core vertically moves in the runner, the runner is provided with a sealing position matched with the valve core in a sealing way, the overflow valve further comprises a piston seat fixed above the valve body, a piston cavity communicated with the runner is arranged in the piston seat, the piston cavity is provided with a piston vertically sliding along the piston cavity, the elastic component is compressed and arranged at the bottom of the piston and the top of the valve core, the part of the piston cavity above the piston is communicated with an air source, an adjusting screw is vertically arranged at the top of the piston, the lower end of the adjusting screw is fixed with the piston, and the upper end of the adjusting screw extends out of the piston cavity and is provided with a nut limited outside the piston cavity. By adopting the scheme, the overflow valve provided by the utility model is stable in sealing and long in service life. However, the relief valve lacks a flow control structure, and sometimes needs to control the flow of some fluids, resulting in a narrower application range of the relief valve.
To this end, the present utility model provides an overflow valve with flow control.
Disclosure of utility model
In view of the above, it is desirable to provide a relief valve with flow control.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
The utility model provides a take flow control's overflow valve, includes upper end open-ended valve body, be equipped with the valve pocket along the horizontal direction in the valve body, the inlet has been seted up in the left side of valve body, the upper end opening part threaded connection of valve body has control valve rod, control valve rod's lower extreme rotates and is connected with the control panel, the butt joint groove has been seted up to the position of the bottom of valve pocket corresponding the control panel, the adaptation is installed between butt joint groove and the control panel, the right side of butt joint groove is equipped with valve piston structure, valve piston structure is arranged in reciprocating motion in the valve pocket, the liquid outlet has been seted up to the position of corresponding valve piston structure on the valve body, valve piston structure's right-hand member butt has valve spring structure, valve spring structure's right side butt has adjusting screw, adjusting screw's one end and valve pocket inner wall threaded connection, the other end runs through the valve body external connection and has first hand wheel.
Further, one end of the control valve rod extending out of the valve body is connected with a second hand wheel.
Furthermore, a pair of sliding grooves are symmetrically formed in the inner wall of the valve cavity corresponding to the position of the control plate, and matched sliding blocks are arranged on the side surface of the control plate corresponding to the position of the sliding grooves.
Further, the valve piston structure comprises a piston cone head and a piston rod fixedly connected to the rear end of the piston cone head.
Further, a first sealing piece is arranged at the opening of the upper end of the valve body and is arranged between the control valve rod and the valve cavity.
Further, the valve cavity is further internally embedded with a second sealing element, and the second sealing element is sleeved on the piston rod and is arranged on the right side of the liquid outlet.
Furthermore, a third sealing piece is embedded in the valve cavity, and the third sealing piece is sleeved on the adjusting screw.
The utility model has the advantages that:
According to the overflow valve with flow control, the control valve rod, the butt joint groove and the control plate are arranged on the valve body, so that the flow of liquid passing through the valve cavity can be controlled before overflow, the second hand wheel is screwed, the flow of the liquid can be timely adjusted, the structure is simple, the flow is convenient to adjust, the application range of the overflow valve is improved, and meanwhile, when the flow-regulated liquid is used for carrying out flow impact on the valve piston structure, the elastic fatigue impact on the valve spring structure can be effectively reduced, and the service life of the overflow valve is prolonged; through setting up first sealing member, second sealing member and third sealing member, can improve the leakproofness of valve body, can not appear leaking the condition after long-time the use.
Drawings
FIG. 1 is a schematic diagram of the internal structure of an overflow valve with flow control according to an embodiment of the utility model.
Reference numerals: valve body 1, control valve rod 2, second hand wheel 3, first sealing member 4, second sealing member 5, third sealing member 6, control panel 7, slider 8, butt joint groove 9, inlet 10, liquid outlet 11, piston conical head 12, piston rod 13, valve spring structure 14, adjusting screw 15, first hand wheel 16.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail by the following detailed description with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1, an overflow valve with flow control comprises a valve body 1 with an opening at the upper end, a valve cavity along the horizontal direction is arranged in the valve body 1, a liquid inlet 10 is formed in the left side of the valve body 1, a control valve rod 2 is connected to the opening at the upper end of the valve body 1 in a threaded manner, a control board 7 is connected to the lower end of the control valve rod 2 in a rotating manner, a butt joint groove 9 is formed in the bottom of the valve cavity corresponding to the position of the control board 7, the butt joint groove 9 is installed with the control board 7 in an adapting manner, a valve piston structure is arranged on the right side of the butt joint groove 9 and is used for reciprocating in the valve cavity, a liquid outlet 11 is formed in the position, corresponding to the valve piston structure, of the valve body 1, a valve spring structure 14 is connected to the right end of the valve piston structure in a propping manner, an adjusting screw 15 is connected to the right side of the valve spring structure 14 in a propping manner, one end of the adjusting screw 15 is connected to the inner wall of the valve cavity in a threaded manner, and the other end of the adjusting screw 15 penetrates through the valve body 1 and is externally connected with a first hand wheel 16.
In this embodiment, the left side of the valve body 1 is provided with the liquid inlet 10 for guiding liquid into the overflow valve, the liquid flows to the valve piston structure through the gap between the butt joint groove 9 and the control plate 7, and the valve piston structure reduces the pressure of the flowing liquid under the combined action of the valve spring structure 14 and the adjusting screw 15, and is discharged out of the overflow valve through the liquid outlet 11.
In this embodiment, the first hand wheel 16 is screwed to enable the adjusting screw 15 to screw in or screw out of the valve body 1, so as to adjust the elastic force of the valve spring structure 14.
In this embodiment, a second hand wheel 3 is connected to one end of the control valve rod 2 extending out of the valve body 1.
In this embodiment, through screwing the second hand wheel 3 for control valve rod 2 precesses or unscrews valve body 1, and then drives control panel 7 and reciprocate, so that adjust the clearance between control panel 7 and the butt joint groove 9, thereby can make the liquid that passes through the valve pocket carry out flow control before the overflow, simple structure, it is convenient to adjust the flow.
In this embodiment, a pair of sliding grooves (not shown) are symmetrically arranged on the inner wall of the valve cavity corresponding to the position of the control board 7, and a matched sliding block 8 is arranged on the side surface of the control board 7 corresponding to the position of the sliding groove.
In the present embodiment, by providing the chute and the slider 8, the control board 7 can be moved up and down in the chute direction, thereby achieving the guiding purpose.
In this embodiment, the valve piston structure includes a piston cone 12 and a piston rod 13 fixedly connected to the rear end of the piston cone 12.
In this embodiment, a first sealing element 4 is disposed at the upper end opening of the valve body 1, and the first sealing element 4 is disposed between the control valve rod 2 and the valve cavity; the valve cavity is also internally embedded with a second sealing element 5, and the second sealing element 5 is sleeved on the piston rod 13 and is arranged on the right side of the liquid outlet 11; the valve cavity is also internally embedded with a third sealing piece 6, and the third sealing piece 6 is sleeved on the adjusting screw 15; by providing the first seal 4, the second seal 5 and the third seal 6, the tightness between the control valve stem 2 and the valve chamber and between the adjusting screw 15 and the valve chamber can be increased, thereby prolonging the service life.
The foregoing is a further detailed description of the utility model in connection with specific embodiments, and is not intended to limit the practice of the utility model to such descriptions. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (7)
1. The utility model provides a take flow control's overflow valve, its characterized in that includes upper end open-ended valve body, be equipped with the valve pocket along the horizontal direction in the valve body, the inlet has been seted up in the left side of valve body, the upper end opening part threaded connection of valve body has control valve rod, control valve rod's lower extreme rotates and is connected with the control panel, the butt joint groove has been seted up to the position of the bottom of valve pocket corresponding the control panel, the adaptation is installed between butt joint groove and the control panel, the right side of butt joint groove is equipped with valve piston structure, valve piston structure is arranged in the valve pocket reciprocating motion, the liquid outlet has been seted up to the position of corresponding valve piston structure on the valve body, valve piston structure's right-hand member butt has valve spring structure, valve spring structure's right side butt has adjusting screw, adjusting screw's one end and valve pocket inner wall threaded connection, the other end runs through the valve body external connection and has first hand wheel.
2. The overflow valve with flow control according to claim 1, wherein the end of the control valve rod extending out of the valve body is connected with a second hand wheel.
3. The overflow valve with flow control according to claim 1, wherein a pair of sliding grooves are symmetrically formed in the inner wall of the valve cavity corresponding to the position of the control plate, and matched sliding blocks are arranged on the side surface of the control plate corresponding to the position of the sliding grooves.
4. The overflow valve with flow control according to claim 1, wherein the valve piston structure comprises a piston cone and a piston rod fixedly connected to the rear end of the piston cone.
5. The overflow valve with flow control according to claim 1, wherein a first sealing member is arranged at the upper end opening of the valve body, and the first sealing member is arranged between the control valve rod and the valve cavity.
6. The overflow valve with flow control according to claim 4, wherein the valve cavity is further embedded with a second sealing member, and the second sealing member is sleeved on the piston rod and is arranged on the right side of the liquid outlet.
7. The overflow valve with flow control of claim 1, wherein the valve cavity is further embedded with a third sealing member, and the third sealing member is sleeved on the adjusting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322760441.9U CN220850201U (en) | 2023-10-16 | 2023-10-16 | Overflow valve with flow control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322760441.9U CN220850201U (en) | 2023-10-16 | 2023-10-16 | Overflow valve with flow control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850201U true CN220850201U (en) | 2024-04-26 |
Family
ID=90775034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322760441.9U Active CN220850201U (en) | 2023-10-16 | 2023-10-16 | Overflow valve with flow control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220850201U (en) |
-
2023
- 2023-10-16 CN CN202322760441.9U patent/CN220850201U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |