CN212584291U - Micro flow control valve - Google Patents
Micro flow control valve Download PDFInfo
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- CN212584291U CN212584291U CN202021176937.1U CN202021176937U CN212584291U CN 212584291 U CN212584291 U CN 212584291U CN 202021176937 U CN202021176937 U CN 202021176937U CN 212584291 U CN212584291 U CN 212584291U
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- valve
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- flow control
- micro flow
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Abstract
The utility model relates to a small flow control valve, including the valve body, the upper end of valve body is provided with the detachable valve gap, and its inside disk seat that is provided with, the disk seat is provided with the through-hole of connecting the valve body and advancing, going out the runner, is provided with rather than sliding and closely complex case in the through-hole, and the case is made by corrosion-resistant material, and the lateral wall of case is provided with the guiding gutter, and its tip can be dismantled with the valve rod that runs through the valve gap and be connected, drives case and through-hole through the valve rod and takes place relative slip, and the medium. In the valve core of the micro flow regulating valve, the design of the slotted groove is adopted, and the positions of the valve core and the through hole are regulated, so that the flow of the valve can be accurately regulated; by increasing the sizes of the valve core and the through hole and changing the valve needle into the diversion trench, the processing technology is simplified, and the structural strength is enhanced; the valve core is made of corrosion-resistant materials, has long service life, can be detachably connected with the valve rod, and is beneficial to subsequent maintenance.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to small flow control valve.
Background
Along with the development of valve technology, the requirement on high-precision ultra-small flow control is higher and higher, and the way of a small flow control valve in the current market is as follows: a slender valve needle is processed on the valve core and then is sealed with the fine hole on the valve seat, and flow regulation is realized by controlling the opening and closing of the fine hole.
The small flow regulating valve has the following problems: 1. the slender valve seat is easily deformed and corroded under the pressure and chemical action of a medium in the pump body, so that the flow regulation is influenced; 2. the process for processing the valve needle and the pore is complex and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: in order to overcome the defects of the prior art, a micro flow regulating valve is provided.
In order to achieve the above technical effect, the utility model discloses a technical scheme is: the utility model provides a small flow control valve, includes the valve body, the upper end of valve body is provided with the detachable valve gap, and its inside disk seat that is provided with, the disk seat is provided with the through-hole of connecting the valve body and advancing, going out the runner, be provided with rather than sliding and closely matched's case in the through-hole, the case is made by corrosion-resistant material, and the lateral wall of case is provided with the guiding gutter, and its tip can be dismantled with the valve rod that runs through the valve gap and be connected, drives case and through-hole through the valve rod and takes place relative slip, and the medium.
Further, the valve core is made of plastic.
Furthermore, the diversion trench is arranged along the length direction of the valve core, the trench width of the diversion trench is gradually increased along the medium flowing direction, and the maximum trench width of the diversion trench is 1-3 mm.
Furthermore, the inner side of the through hole is provided with a wear-resistant coating, and the inner diameter of the through hole is 7-9 mm.
Furthermore, the valve core is provided with an internal thread hole, and the valve core is in threaded connection with the valve rod.
Furthermore, a plurality of connecting pieces are evenly distributed on the valve cover in the circumferential direction, and the valve cover is connected with the valve body through the connecting pieces.
Further, a sealing ring is arranged between the valve cover and the valve body.
Further, a sealing filler is arranged between the valve cover and the valve rod.
Furthermore, the valve body inlet and outlet flow channels are provided with flange parts which are integrally formed.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the valve core adopts the design of the slotted groove, and the positions of the valve core and the through hole are adjusted, so that the flow of the valve can be accurately adjusted;
2. by increasing the sizes of the valve core and the through hole and changing the valve needle into the diversion trench, the processing technology is simplified, and the structural strength is enhanced;
3. the valve core is made of corrosion-resistant materials, has long service life, can be detachably connected with the valve rod, and is beneficial to subsequent maintenance.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments, and it is obvious that the described embodiments are some embodiments, not all embodiments of the present invention.
Drawings
FIG. 1 is a schematic structural view of a micro flow control valve of the present invention;
fig. 2 is a schematic structural diagram of the valve element of the present invention.
The reference numbers and corresponding designations in the drawings are: 1. the valve comprises a valve body, a valve cover, a valve seat, a valve core, a valve rod, a connecting piece, a sealing ring, a sealing filler, a flange part, a through hole, a guide groove and an internal thread hole, wherein the valve body comprises 2 parts of the valve cover, 3 parts of the valve seat, 4 parts of the valve core, 5 parts of the valve rod, 6 parts of the connecting piece, 7 parts of the sealing ring, 8 parts.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-2, this embodiment provides a small flow control valve, including a valve body 1, the upper end of the valve body 1 is provided with a detachable valve deck 2, make things convenient for the inside maintenance of the valve body 1, its inside is provided with a valve seat 3, the valve seat 3 is provided with a through hole 301 connecting the inlet and outlet flow passages of the valve body 1, be provided with a valve core 4 sliding rather than closely matching in the through hole 301, the valve core 4 is made of corrosion-resistant material, avoid medium corrosion to the valve core 4, influence the valve to use, the lateral wall of the valve core 4 is provided with a diversion trench 401, the diversion trench 401 is processed at the lateral wall with simple process, and the operation is convenient, the tip can be dismantled with the valve rod 5 penetrating through the valve deck 2 and connected, make things convenient for the dismantlement maintenance of the valve core 4.
As a preferred solution of the present embodiment, the valve element 4 is made of plastic. In this scheme, case 4 that adopts plastics to make has good corrosion-resistant, sealing performance, and low in production cost.
Specifically, the guide groove 401 is arranged along the length direction of the valve element 4, the groove width of the guide groove 401 gradually increases along the medium flowing direction, and the maximum groove width of the guide groove 401 is 2 mm. In this scheme, along with case 4 shifts out through-hole 301, the medium flow in guiding gutter 401 is the grow gradually, can realize accurate linear adjustment.
Specifically, the inner side of the through hole 301 is provided with a wear-resistant coating, and the inner diameter of the through hole 301 is 8 mm. In this scheme, wear-resisting coating makes through-hole 301 difficult wearing and tearing to guarantee the sealing performance between through-hole 301 and the case 4, and process 8 mm's through-hole 301, simple process, convenient operation.
Wherein, the valve core 4 is provided with an internal thread hole 402, and the valve core 4 is in threaded connection with the valve rod 5. In this scheme, the locking power who adopts threaded connection is strong, case 4 and 5 easy dismounting of valve rod.
Wherein, valve gap 2 circumference equipartition has a plurality of connecting pieces 6, and valve gap 2 is connected with valve body 1 through connecting piece 6. In this scheme, the joint strength of valve gap 2 and valve body 1 can be guaranteed to the mode of circumference equipartition, and is concrete, and 6 optional bolts of connecting piece, nut are fixed.
Wherein, a sealing ring 7 is arranged between the valve cover 2 and the valve body 1. In this scheme, sealing washer 7 is used for the sealed of valve gap 2 and valve body 1 within a definite time, prevents that the medium in the valve body 1 from flowing out.
Wherein, a sealing packing 8 is arranged between the valve cover 2 and the valve rod 5. In this scheme, the packing 8 is used for the sealed between valve gap 2 and valve rod 5, prevents that the medium from flowing out from valve gap 2.
Wherein, the inlet and outlet channels of the valve body 1 are provided with flange parts which are integrally formed. In this scheme, valve body 1 is high with flange portion integrated into one piece structural strength, and the convenient tube coupling of flange portion.
The working principle of the minute flow rate adjusting valve is described next:
during the use, pass through flange portion intercommunication pipeline with the business turn over, outflow of valve body 1, thereby lifting valve rod 5 drives case 4 and moves upward, and guiding gutter 401 on the case 4 communicates business turn over, outflow for the medium of valve body 1 resumes the circulation, and through the groove width size of adjusting guiding gutter 401, can carry out the accuracy control to the flow of medium.
In addition, it should be noted that the micro flow regulating valve is mainly improved on the valve core 4 and the valve seat 3, the valve core 4 is thickened, a slender valve needle is eliminated, and a side wall slotting drainage mode is changed; the valve seat 3 is provided with a through hole 301 which is matched with the valve core 4, so that the processing technology is simpler, and the structural strength of the valve core 4 is ensured.
The present invention is not limited to the above specific embodiments, and for those skilled in the art, the above conception can be used without any creative work, and all the changes made fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a small flow control valve, includes valve body (1), its characterized in that, the upper end of valve body (1) is provided with detachable valve gap (2), and its inside is provided with disk seat (3), disk seat (3) are provided with through-hole (301) of connecting valve body (1) business turn over, go out the runner, be provided with in through-hole (301) rather than sliding and closely complex case (4), case (4) are made by corrosion-resistant material, and the lateral wall of case (4) is provided with guiding gutter (401), and its tip can be dismantled with valve rod (5) that run through valve gap (2) and be connected, drives case (4) and through-hole (301) through valve rod (5) and takes place relative slip, and the medium circulation in control guiding gutter (401 realizes flow control.
2. The micro flow control valve according to claim 1, wherein the spool (4) is made of plastic.
3. The micro flow rate adjusting valve according to claim 1 or 2, wherein the guide groove (401) is arranged along the length direction of the valve core (4), the groove width of the guide groove (401) is gradually increased along the medium flow direction, and the maximum groove width of the guide groove (401) is 1-3 mm.
4. The micro flow control valve according to claim 3, wherein the inner side of the through-hole (301) is provided with a wear-resistant coating, and the inner diameter of the through-hole (301) is 7-9 mm.
5. The micro flow control valve according to claim 3, wherein the valve core (4) is provided with an internally threaded hole (402), and the valve core (4) is threadedly coupled with the valve stem (5).
6. The micro flow control valve according to claim 1, wherein the valve cover (2) is circumferentially and uniformly provided with a plurality of connecting pieces (6), and the valve cover (2) is connected with the valve body (1) through the connecting pieces (6).
7. The micro flow control valve according to claim 6, wherein a sealing ring (7) is provided between the bonnet (2) and the valve body (1).
8. The micro flow control valve according to claim 6, wherein a packing (8) is provided between the bonnet (2) and the valve stem (5).
9. The micro flow control valve according to claim 1, wherein the inlet and outlet flow passages of the valve body (1) are provided with integrally formed flange portions (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021176937.1U CN212584291U (en) | 2020-06-23 | 2020-06-23 | Micro flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021176937.1U CN212584291U (en) | 2020-06-23 | 2020-06-23 | Micro flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212584291U true CN212584291U (en) | 2021-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021176937.1U Active CN212584291U (en) | 2020-06-23 | 2020-06-23 | Micro flow control valve |
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| Country | Link |
|---|---|
| CN (1) | CN212584291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117366244A (en) * | 2023-11-24 | 2024-01-09 | 氟微(上海)新材料有限公司 | Micro regulating valve |
-
2020
- 2020-06-23 CN CN202021176937.1U patent/CN212584291U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117366244A (en) * | 2023-11-24 | 2024-01-09 | 氟微(上海)新材料有限公司 | Micro regulating valve |
| CN117366244B (en) * | 2023-11-24 | 2024-03-12 | 氟微(上海)新材料有限公司 | Micro regulating valve |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 215000 building 3, 16 hanchunli Road, Caohu street, Xiangcheng Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: SUZHOU KEBANG CONTROL VALVE Co.,Ltd. Address before: 215000 Chun Yao Road, Xiangcheng Economic Development Zone, Suzhou, Jiangsu, 18 Patentee before: SUZHOU KEBANG CONTROL VALVE Co.,Ltd. |