CN216478963U - Flow regulating valve - Google Patents
Flow regulating valve Download PDFInfo
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- CN216478963U CN216478963U CN202122533332.4U CN202122533332U CN216478963U CN 216478963 U CN216478963 U CN 216478963U CN 202122533332 U CN202122533332 U CN 202122533332U CN 216478963 U CN216478963 U CN 216478963U
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Abstract
The utility model provides a flow regulating valve, comprising: the valve body is provided with a valve port; the valve head, the valve head is movably set up in the cavity of valve body, and the valve head includes interconnect's the body of rod and sealed head, and the sealed head is kept away from being provided with first conical surface of the one end of the body of rod, and the cone angle of first conical surface is an, and an is less than or equal to 150, and sealed head is used for the shutoff valve port 100. By adopting the scheme, the fluid in the cavity of the valve cavity can be guided by limiting the taper angle a of the first conical surface, the flow resistance of the fluid in the cavity of the valve body is reduced, the performance of the flow regulating valve is improved, and the performance of the flow regulating valve is ensured without enlarging the valve port and accommodating the cavity, so that the volume of the flow regulating valve is reduced, and the processing cost is reduced.
Description
Technical Field
The utility model relates to the technical field of flow regulating valves, in particular to a flow regulating valve.
Background
In the flow regulating valve in the prior art, the valve port is opened or closed by the movement of the valve head in the valve body, usually, a sealing head of the valve head contacts with the inner wall of the valve port to form a sealing surface, so as to close the valve port, however, when the valve port is opened, the sealing head in the cavity of the valve body can increase the flow resistance of fluid, so that the performance of the flow regulating valve is reduced; and if the circulation resistance is big, the cavity of valve port and valve body also need to correspond the grow to guarantee flow control valve's performance, can lead to flow control valve's volume grow like this, increase processing cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides a flow regulating valve, which is used for reducing the flow resistance of fluid in the flow regulating valve.
In order to achieve the above object, the present invention provides a flow rate regulating valve comprising: the valve body is provided with a valve port; the valve head, the valve head is movably set up in the cavity of valve body, and the valve head includes interconnect's the body of rod and sealed head, and the sealed head is kept away from being provided with first conical surface of the one end of the body of rod, and the cone angle of first conical surface is an, and an is less than or equal to 150, and sealed head is used for the shutoff valve port 100.
Furthermore, the radial dimension of the sealing head is larger than that of the rod body, the maximum diameter of the sealing head is D1, the minimum diameter of the valve port is D2, and D1-D2 are more than or equal to 0.15mm and less than or equal to 1 mm.
Furthermore, the valve port comprises an overflowing hole section and a sealing hole section which are communicated with each other, the radial size of the sealing hole section is gradually increased in the direction from the overflowing hole section to the sealing hole section, a second conical surface is formed on the inner wall of the sealing hole section, the conical angle of the second conical surface is b, and a is larger than b.
Furthermore, the valve port also comprises a flow guide hole section, the flow guide hole section is communicated with one end, far away from the overflowing hole section, of the sealing hole section, the radial size of the flow guide hole section is gradually increased in the direction from the overflowing hole section to the sealing hole section, the inner wall of the flow guide hole section forms a third conical surface, the cone angle of the third conical surface is c, and c is larger than or equal to b.
Further, the valve body has and holds the chamber, and the valve head still includes the direction head with body of rod interconnect, and the radial dimension of the body of rod is less than the direction head, the lateral wall of direction head and the spacing cooperation of the inside wall that holds the chamber.
Furthermore, the accommodating cavity comprises a limiting hole section, a guide hole section and a valve cavity which are sequentially communicated, and the guide head is movably arranged in the guide hole section; the flow regulating valve further comprises a screw structure, and the screw structure is connected with the valve head and penetrates through the limiting hole section.
Further, the valve body comprises a main valve seat and an auxiliary valve seat which are connected with each other, the inner side wall of the main valve seat is provided with a first step, the outer side wall of the auxiliary valve seat is provided with a second step, and the first step is in limit fit with the second step.
Furthermore, the auxiliary valve seat comprises an auxiliary valve body and a sealing gasket which are connected with each other, the valve port is arranged on the sealing gasket, a first mounting groove is formed in one end of the auxiliary valve body, the sealing gasket is arranged in the first mounting groove, and the second step is located on the auxiliary valve body.
Furthermore, assist the valve body and include the main part and set up the annular boss in the main part, assist the valve body and still include turn-ups structure, turn-ups structure and annular boss are connected, and turn-ups structure is annular structure, and turn-ups separates structure and the spacing cooperation of sealed pad.
Further, the flow control valve still includes: the screw rod structure, the screw rod structure includes the screw rod, bearing and bush, the screw rod is including connecting gradually, and radial dimension increases in proper order first pole section, second pole section and third pole section, the bearing housing is established on the second pole section, the bush housing is established on first pole section and with first pole section fixed connection, two terminal surfaces of the inner circle of bearing respectively with the terminal surface of third pole section, the terminal surface butt of bush, bearing and bush all are located the cavity of valve head.
By applying the technical scheme of the utility model, the utility model provides a flow regulating valve, which comprises: the valve body is provided with a valve port; the valve head, the valve head is movably set up in the cavity of valve body, and the valve head includes interconnect's the body of rod and sealed head, and the sealed head is kept away from being provided with first conical surface of the one end of the body of rod, and the cone angle of first conical surface is an, and an is less than or equal to 150, and sealed head is used for the shutoff valve port 100. By adopting the scheme, the fluid in the cavity of the valve cavity can be guided by limiting the taper angle a of the first conical surface, and compared with a sealing head which is not provided with guide surfaces such as conical surfaces and the like in the prior art, the arrangement reduces the flow resistance of the fluid in the cavity of the valve body, and improves the performance of the flow regulating valve. And set up like this, need not rethread enlarge valve port and hold the chamber and guarantee flow control valve's performance, reduced flow control valve's volume, reduced the processing cost.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic structural diagram of a flow regulating valve provided by an embodiment of the utility model;
FIG. 2 shows an enlarged view of selected locations in the flow control valve of FIG. 1;
FIG. 3 shows a schematic structural view of a gasket in the flow control valve of FIG. 1;
FIG. 4 shows a schematic structural view of a valve head in the flow regulating valve of FIG. 1;
FIG. 5 shows a schematic structural view of a valve body in the flow control valve of FIG. 1;
FIG. 6 is a schematic structural view of the auxiliary valve body of the flow control valve of FIG. 1;
fig. 7 shows a schematic view of the screw structure of the flow control valve of fig. 1.
Wherein the figures include the following reference numerals:
10. a valve body; 11. a valve port; 111. a flow passage hole section; 112. sealing the hole section; 113. a second tapered surface; 114. a flow guide hole section; 115. a third conical surface; 12. an accommodating chamber; 121. a limiting hole section; 122. a pilot hole segment; 123. a valve cavity; 13. a main valve seat; 131. a first step; 132. a flow-through hole; 14. an auxiliary valve seat; 141. a second step; 142. an auxiliary valve body; 1421. a main body; 1422. an annular boss; 1423. a flanging structure; 143. a gasket; 144. a first mounting groove; 145. a second mounting groove; 20. a valve head; 21. a rod body; 22. a sealing head; 23. a first conical surface; 24. a guide head; 30. a screw structure; 31. a screw; 311. a first pole segment; 312. a second pole segment; 313. a third pole segment; 32. a bearing; 33. a bushing.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, an embodiment of the present invention provides a flow rate regulating valve including: a valve body 10, the valve body 10 having a valve port 11; the valve head 20 and the valve head 20 are movably arranged in a cavity of the valve body 10, the valve head 20 comprises a rod body 21 and a sealing head 22 which are connected with each other, a first conical surface 23 is arranged at one end, away from the rod body 21, of the sealing head 22, the conical angle of the first conical surface 23 is a, a is larger than or equal to 100 degrees and smaller than or equal to 150 degrees, and the sealing head 22 is used for plugging the valve port 11.
In this embodiment, the taper angle a of the first tapered surface 23 is limited, so that the fluid in the cavity of the valve body 10 can be guided, and compared with the sealing head 22 without guiding surfaces such as tapered surfaces in the prior art, the arrangement reduces the flow resistance of the fluid in the cavity of the valve body 10, improves the performance of the flow regulating valve, and in addition, the arrangement does not need to enlarge the valve port 11 and the cavity of the valve body 10 to ensure the performance of the flow regulating valve, reduces the volume of the flow regulating valve, and reduces the processing cost. Moreover, the taper angle a of the first tapered surface 23 is limited to the above range, which not only reduces the resistance, but also ensures the sealing effect of the valve port 11 when it is closed.
Specifically, the radial dimension of the sealing head 22 is greater than the radial dimension of the rod body 21, and the end of the sealing head 22 connected with the rod body 21 is also provided with a conical surface, so that the flow resistance of fluid in the cavity of the valve body 10 is reduced, and the performance of the flow regulating valve is improved.
As shown in FIGS. 2 and 3, the maximum diameter of the sealing head 22 is D1, the minimum diameter of the valve port 11 is D2, and D1-D2 are respectively more than or equal to 0.15mm and less than or equal to 1 mm. By the arrangement, the length of the sealing head 22 extending into the valve port 11 is ensured, and meanwhile, the diameter of the sealing surface formed by the valve port 11 and the sealing head 22 is also ensured to be larger than the minimum diameter D2 of the valve port, so that the sealing reliability is improved.
As shown in fig. 3, the valve port 11 includes a flow passage hole section 111 and a sealing hole section 112 which are communicated with each other, the radial dimension of the sealing hole section 112 is gradually increased in the direction from the flow passage hole section 111 to the sealing hole section 112, the inner wall of the sealing hole section 112 forms a second taper surface 113, and the taper angle of the second taper surface 113 is b, a is greater than b. By the arrangement, the sealing surfaces of the sealing head 22 and the valve port 11 are ensured to be in the joint position of the sealing head 22 and the sealing hole section 112, the sealing reliability is ensured, and fluid leakage is prevented.
Specifically, the minimum diameter D2 of the valve port 11 is the diameter of the through-flow hole section 111, and the diameter D1 of the sealing head 22 is greater than the diameter D2 of the through-flow hole section 111, so as to ensure the reliability of sealing.
Further, the valve port 11 further includes a flow guide hole section 114, the flow guide hole section 114 is communicated with one end of the seal hole section 112 far away from the flow guide hole section 111, the radial dimension of the flow guide hole section 114 is gradually increased in the direction from the flow guide hole section 111 to the seal hole section 112, the inner wall of the flow guide hole section 114 forms a third conical surface 115, the conical angle of the third conical surface 115 is c, and c is greater than or equal to b. By the arrangement, the sealing head 22 is ensured not to interfere with the guide hole section 114 in the moving process, the sealing reliability of the sealing head 22 and the sealing hole section 112 is ensured, and meanwhile, the arrangement can also play a role in guiding fluid flowing to the valve port 11, reduce the flow resistance of the fluid in the cavity of the valve body and improve the performance of the flow regulating valve.
As shown in fig. 4 and 5, the valve body 10 has a receiving cavity 12, the valve head 20 further includes a guiding head 24 interconnected with the rod 21, the rod 21 has a smaller radial dimension than the guiding head 24, and an outer side wall of the guiding head 24 is in a limit fit with an inner side wall of the receiving cavity 12. By the arrangement, the valve head 20 is guided by the matching between the guide head 24 and the accommodating cavity 12, so that the valve head 20 is prevented from shifting in the moving process, and the reliability of the flow regulating valve is ensured.
Further, the accommodating cavity 12 comprises a limiting hole section 121, a guide hole section 122 and a valve cavity 123 which are sequentially communicated, and the guide head 24 is movably arranged in the guide hole section 122; the flow control valve further comprises a screw structure 30, and the screw structure 30 is connected with the valve head 20 and is arranged through the limiting hole section 121. Set up like this, the cooperation through guide head 24 and guiding hole section 122 leads to the removal of valve head 20, guarantees the reliability that valve head 20 removed, and simultaneously, valve head 20 is connected with screw rod structure 30, and screw rod structure 30 passes spacing hole section 121 and sets up, prevents that screw rod structure 30 from taking place the skew at the in-process that drives valve head 20 and remove, has further guaranteed the reliability that valve head 20 removed.
Specifically, the valve body 10 includes a main valve seat 13 and an auxiliary valve seat 14 connected to each other, the inner side wall of the main valve seat 13 has a first step 131, the outer side wall of the auxiliary valve seat 14 has a second step 141, and the first step 131 and the second step 141 are in limit fit.
In this embodiment, the inner side wall of the main valve seat 13 has a first step 131, the outer side wall of the auxiliary valve seat 14 has a second step 141, and the second step 141 and the first step 131 are in limit fit. The first step 131 comprises a first step surface in the axial direction of the main valve seat 13 and a second step surface in the radial direction of the main valve seat 13, the first step surface and the second step surface form the first step 131, the second step 141 comprises a third step surface in the axial direction of the auxiliary valve seat 14 and a fourth step surface in the radial direction of the auxiliary valve seat 14, the third step surface and the fourth step surface form the second step 141, the first step surface is in limit fit with the third step surface, and the second step surface is in limit fit with the fourth step surface. The main valve seat 13 and the auxiliary valve seat 14 can be in limited fit in the axial direction and the radial direction through the limited fit between the two steps. Specifically, a flow hole 132 is opened on a side wall of the main valve seat to connect an external nipple communicating with the accommodating chamber 12.
As shown in fig. 3 and 6, the auxiliary valve seat 14 includes an auxiliary valve body 142 and a packing 143 connected to each other, the valve port 11 is disposed on the packing 143, one end of the auxiliary valve body 142 has a first mounting groove 144, the packing 143 is disposed in the first mounting groove 144, and the second step 141 is located on the auxiliary valve body 142. By the arrangement, the main valve seat 13 is not required to be used for limiting the sealing gasket 143, so that the wall thickness of the main valve seat 13 can be thinner, and the cost of the flow regulating valve is reduced.
Further, the auxiliary valve body 142 comprises a main body 1421 and an annular boss 1422 arranged on the main body 1421, the auxiliary valve body 142 further comprises a flanging structure 1423, the flanging structure 1423 is connected with the annular boss 1422, the flanging structure 1423 is of an annular structure, and the flanging structure 1423 is in limit fit with the gasket 143. By the arrangement, the installation of the sealing gasket 143 is realized through the flanging mode of the flanging structure 1423, the assembling operation is simple, and the installation is reliable.
Specifically, the other end of the auxiliary valve body 142 has a second mounting groove 145 to connect the external nipple and communicate the external nipple with the valve port 11.
As shown in fig. 7, the flow rate adjustment valve further includes: screw rod structure 30, screw rod structure 30 includes screw rod 31, bearing 32 and bush 33, screw rod 31 is including connecting gradually, and radial dimension increases in proper order first pole section 311, second pole section 312 and third pole section 313, bearing 32 cover is established on second pole section 312, bush 33 cover is established on first pole section 311 and with first pole section 311 fixed connection, two terminal surfaces of the inner circle of bearing 32 respectively with the terminal surface of third pole section 313, the terminal surface butt of bush 33, bearing 32 and bush 33 all are located the cavity of valve head 20.
In this embodiment, first pole section 311 is bush 33 installation section, with bush 33 hole clearance, transition or interference fit, one end butt of bush 33 is on bearing 32's inner circle, accessible welding is fixed as a whole with screw rod 31, second pole section 312 is bearing 32 installation section, with bearing 32 inner circle clearance, transition or interference fit, bearing 32 inner circle both ends butt third pole section 313's terminal surface and bush 33 respectively, realized the axial spacing to bearing 32 inner circle like this through bush 33, thereby avoided bearing 32 inner circle to adopt other spacing mode atress too big to produce the deformation, bearing 32's reliability has been guaranteed, the performance of governing valve has been improved. Specifically, the third rod section 313 of the screw 31 is inserted into the limiting hole section 121 and is in clearance fit with the limiting hole section 121, so that the reliability of the movement of the screw 31 is ensured.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A flow control valve, comprising:
a valve body (10), the valve body (10) having a valve port (11);
the valve head (20), the valve head (20) movably sets up in the cavity of valve body (10), valve head (20) are including body of rod (21) and sealed head (22) of interconnect, sealed head (22) keep away from being provided with first conical surface (23) of the one end of body of rod (21), the cone angle of first conical surface (23) is a, 100 degrees is no less than a and is no less than 150 degrees, sealed head (22) are used for the shutoff valve port (11).
2. Flow regulating valve according to claim 1,
the radial dimension of the sealing head (22) is larger than that of the rod body (21), the maximum diameter of the sealing head (22) is D1, the minimum diameter of the valve port (11) is D2, and D1-D2 are more than or equal to 0.15mm and less than or equal to 1 mm.
3. Flow regulating valve according to claim 1,
the valve port (11) comprises a flow passing hole section (111) and a sealing hole section (112) which are communicated with each other, the radial size of the sealing hole section (112) is gradually increased in the direction from the flow passing hole section (111) to the sealing hole section (112), the inner wall of the sealing hole section (112) forms a second conical surface (113), the conical angle of the second conical surface (113) is b, and a is larger than b.
4. Flow regulating valve according to claim 3,
the valve port (11) further comprises a flow guide hole section (114), the flow guide hole section (114) is communicated with one end, far away from the flow passage hole section (111), of the sealing hole section (112), the radial size of the flow guide hole section (114) is gradually increased in the direction from the flow passage hole section (111) to the sealing hole section (112), a third conical surface (115) is formed on the inner wall of the flow guide hole section (114), the conical angle of the third conical surface (115) is c, and c is larger than or equal to b.
5. Flow regulating valve according to claim 1,
the valve body (10) is provided with an accommodating cavity (12), the valve head (20) further comprises a guide head (24) connected with the rod body (21), the radial size of the rod body (21) is smaller than the guide head (24), and the outer side wall of the guide head (24) is in limit fit with the inner side wall of the accommodating cavity (12).
6. Flow regulating valve according to claim 5,
the accommodating cavity (12) comprises a limiting hole section (121), a guide hole section (122) and a valve cavity (123) which are sequentially communicated, and the guide head (24) is movably arranged in the guide hole section (122); the flow regulating valve further comprises a screw structure (30), and the screw structure (30) is connected with the valve head (20) and penetrates through the limiting hole section (121) to be arranged.
7. Flow regulating valve according to claim 1,
the valve body (10) comprises a main valve seat (13) and an auxiliary valve seat (14) which are connected with each other, the inner side wall of the main valve seat (13) is provided with a first step (131), the outer side wall of the auxiliary valve seat (14) is provided with a second step (141), and the first step (131) is in limit fit with the second step (141).
8. Flow regulating valve according to claim 7,
the auxiliary valve seat (14) comprises an auxiliary valve body (142) and a sealing gasket (143) which are connected with each other, the valve port (11) is arranged on the sealing gasket (143), one end of the auxiliary valve body (142) is provided with a first installation groove (144), the sealing gasket (143) is arranged in the first installation groove (144), and the second step (141) is positioned on the auxiliary valve body (142).
9. Flow regulating valve according to claim 8,
the auxiliary valve body (142) comprises a main body (1421) and an annular boss (1422) arranged on the main body (1421), the auxiliary valve body (142) further comprises a flanging structure (1423), the flanging structure (1423) is connected with the annular boss (1422), the flanging structure (1423) is of an annular structure, and the flanging structure (1423) is in limit fit with the sealing gasket (143).
10. The flow control valve of claim 1, further comprising:
screw rod structure (30), screw rod structure (30) includes screw rod (31), bearing (32) and bush (33), screw rod (31) including connect gradually, and radial dimension increase in proper order first pole section (311), second pole section (312) and third pole section (313), bearing (32) cover is established on second pole section (312), bush (33) cover is established on first pole section (311) and with first pole section (311) fixed connection, two terminal surfaces of the inner circle of bearing (32) respectively with the terminal surface of third pole section (313), the terminal surface butt of bush (33), bearing (32) with bush (33) all are located in the cavity of valve head (20).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122533332.4U CN216478963U (en) | 2021-10-20 | 2021-10-20 | Flow regulating valve |
| KR1020247016377A KR20240074920A (en) | 2021-10-20 | 2022-10-12 | Valve head structure and flow control valve equipped with the same |
| PCT/CN2022/124929 WO2023066115A1 (en) | 2021-10-20 | 2022-10-12 | Valve head structure and flow regulating valve having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122533332.4U CN216478963U (en) | 2021-10-20 | 2021-10-20 | Flow regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216478963U true CN216478963U (en) | 2022-05-10 |
Family
ID=81443349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122533332.4U Active CN216478963U (en) | 2021-10-20 | 2021-10-20 | Flow regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216478963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023066115A1 (en) * | 2021-10-20 | 2023-04-27 | 浙江盾安人工环境股份有限公司 | Valve head structure and flow regulating valve having same |
-
2021
- 2021-10-20 CN CN202122533332.4U patent/CN216478963U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023066115A1 (en) * | 2021-10-20 | 2023-04-27 | 浙江盾安人工环境股份有限公司 | Valve head structure and flow regulating valve having same |
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