CN213017937U - Adjustable constant flow valve - Google Patents
Adjustable constant flow valve Download PDFInfo
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- CN213017937U CN213017937U CN202021462729.8U CN202021462729U CN213017937U CN 213017937 U CN213017937 U CN 213017937U CN 202021462729 U CN202021462729 U CN 202021462729U CN 213017937 U CN213017937 U CN 213017937U
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- constant flow
- adjustable constant
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Abstract
The utility model discloses an adjustable constant flow valve, include: valve body, flow control barrel, spring, case, valve barrel and valve gap, be provided with valve barrel mounting hole, inlet and liquid outlet on the valve body, the valve barrel top is provided with the position circle with one heart, be provided with the jump ring that is located the position circle the place ahead in the valve barrel mounting hole, be provided with spacing piece in the position circle, the case sets up in the valve barrel and the top runs through spacing piece and extends forward, be provided with the retaining ring on the terminal excircle of case, flow control barrel cover is established on the case and is located between retaining ring and the spacing piece, the spring sets up in the valve barrel and is located the retaining ring bottom, be provided with first valve opening and the second valve opening with the cavity intercommunication on the case excircle to and follow the accuse chute that the width that the second valve opening upwards extended reduces gradually. In this way, adjustable constant flow valve, through the flow control barrel of changing different length, realize the regulation of flow and change.
Description
Technical Field
The utility model relates to a flow valve field especially relates to an adjustable constant flow valve.
Background
The flow valve is suitable for liquid systems which need to be subjected to flow control, automatically overcomes the pressure imbalance phenomenon caused by various factors in the systems, keeps the required flow, and is widely used in the flow control field of non-corrosive liquid media such as heat supply, air-conditioning circulation and the like.
The constant flow valve can realize stable control of flow, has high flow stability in the using process, cannot adjust the flow, has limited application range, can only be used in a system needing partial constant flow, limits the prospect of transformation and recycling, and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides an adjustable constant flow valve, carries out the stability control of flow, is favorable to realizing the regulation change of flow.
In order to solve the technical problem, the utility model discloses a technical scheme be: provided is an adjustable constant flow valve, including: the valve comprises a valve body, a flow regulating cylinder, a spring, a valve core, a valve sleeve and a valve cover, wherein the valve body is provided with a valve sleeve mounting hole, a liquid inlet and a liquid outlet, the tail end of the valve sleeve mounting hole is communicated with the tail end of the liquid outlet, the tail end of the liquid inlet is directly or indirectly communicated with one side of the valve sleeve mounting hole, the valve cover is arranged at the front end of the valve sleeve mounting hole for plugging, the valve cover is arranged in the valve sleeve mounting hole, the top of the valve sleeve is concentrically provided with a positioning ring, a snap spring positioned in front of the positioning ring is arranged in the valve sleeve mounting hole, a limiting sheet is arranged in the positioning ring, the valve core is arranged in the valve sleeve, the top end of the valve core penetrates through the limiting sheet and extends forwards, a retaining ring is arranged outside the tail end of the valve core, the flow regulating cylinder is sleeved, the valve comprises a valve core and is characterized in that a first valve hole and a second valve hole communicated with a cavity are formed in the outer circle of the valve core, the first valve hole is located above the second valve hole, and a flow control groove which extends upwards from the second valve hole and is gradually reduced in width is formed in the outer circle of the valve core.
In a preferred embodiment of the present invention, the liquid outlet is concentric with the liquid inlet, the valve housing mounting hole is obliquely directed to the end of the liquid outlet, the end of the liquid inlet is provided with a connecting hole communicating with one side of the valve housing mounting hole, the first valve hole is located above the clamp spring and corresponds to the position of the connecting hole, and the valve core outer diameter corresponds to the limiting piece inner diameter.
In a preferred embodiment of the present invention, the valve housing mounting hole has an internal thread at a front end thereof, and the valve cover has an external thread corresponding to the internal thread on an outer circumference thereof.
In a preferred embodiment of the present invention, the valve cover is provided with an external hexagonal post.
In a preferred embodiment of the present invention, the valve body is provided with a positioning plate sleeved on the outer hexagonal post, the positioning plate is provided with a spline groove corresponding to the outer hexagonal post, and the positioning plate is fixed on the valve body by screws.
In a preferred embodiment of the present invention, the diameter of the positioning ring is larger than the diameter of the valve housing.
In a preferred embodiment of the present invention, a first mounting groove corresponding to the snap spring is formed in the valve housing mounting hole.
In a preferred embodiment of the present invention, a gasket is disposed in the valve housing and is located at the bottom of the spring.
In a preferred embodiment of the present invention, the first valve hole is a circular hole, and the second valve hole is a square hole.
In a preferred embodiment of the present invention, a first sealing ring corresponding to the outer circle of the valve sleeve is disposed in the valve sleeve mounting hole, a second mounting groove corresponding to the first sealing ring is disposed in the valve sleeve mounting hole, and a second sealing ring corresponding to the inner wall of the valve sleeve mounting hole is disposed on the outer circle of the valve cover.
The utility model has the advantages that: the utility model provides an adjustable constant flow valve carries out the elasticity of case spacing through the spring to utilize the flow control barrel to carry out the restriction of case stroke, thereby confirm the flow, promote the stability of flow, through the flow control barrel of changing different length, can realize the change that the case gos forward the stroke, thereby realize the regulation change of flow, promote application scope, reduce the cost of reforming transform and recycle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a schematic structural view of a preferred embodiment of the adjustable constant flow valve of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an exploded view of FIG. 2;
fig. 4 is a schematic view of the valve cartridge of fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention includes:
the adjustable constant flow valve as shown in fig. 1 and 2 comprises: the valve comprises a valve body 1, a flow regulating cylinder 6, a spring 3, a valve core 9, a valve sleeve 4 and a valve cover 13, wherein the valve body 1 is provided with a valve sleeve mounting hole 16, a liquid inlet 10 and a liquid outlet 15, in the embodiment, the liquid outlet 15 and the liquid inlet 10 are concentric, and the valve is conveniently mounted in a liquid system.
The valve sleeve mounting hole 16 is obliquely directed to the end of the liquid outlet 15 from top to bottom and is communicated with the end of the liquid outlet 15, the end of the liquid inlet 10 is provided with a connecting hole 14 communicated with one side of the valve sleeve mounting hole 16 in a bending mode, and the valve cover 13 is arranged at the front end of the valve sleeve mounting hole 16 to block, so that liquid in the liquid inlet 10 can enter the liquid outlet 15 through the connecting hole 14 and the valve sleeve mounting hole 16 and be discharged. As shown in fig. 2, the outer circle of the valve cover 13 is provided with a second sealing ring 28 corresponding to the inner wall of the valve housing mounting hole 16, so as to avoid the leakage problem.
In this embodiment, the front end of the valve sleeve mounting hole 16 has a section of internal thread 18, the outer circle of the valve cover 13 is provided with an external thread corresponding to the internal thread 18, the valve cover 13 is fixedly connected in a threaded manner, and the valve cover 13 is provided with an outer hexagonal cylinder which can be rotated by a wrench, so that the operation is labor-saving. Be provided with the spacer 12 of cover setting on outer hexagonal post on the valve body 1, be provided with the spline groove that corresponds with outer hexagonal post in the spacer 12, carry out the rotatory fixed of valve gap 13 through spacer 12, avoid the pine to take off. The spacer 12 adopts screw 11 to fix on valve body 1, promotes the stability of spacer 12, is provided with the screw hole 17 that corresponds with screw 11 on the valve body 1, and the dismouting is convenient.
The valve sleeve 4 is arranged in the valve sleeve mounting hole 16, the first sealing ring 5 corresponding to the excircle of the valve sleeve 4 is arranged in the valve sleeve mounting hole 16, the outside of the valve sleeve 4 is sealed, and the second mounting groove 21 corresponding to the first sealing ring 5 is arranged in the valve sleeve mounting hole 16, so that the first sealing ring 5 is convenient to mount and position.
The top of the valve sleeve 4 is concentrically provided with a positioning ring 22, as shown in fig. 3, the diameter of the positioning ring 22 is larger than that of the valve sleeve 4, the valve sleeve mounting hole 16 is a stepped hole, an annular step 20 corresponding to the positioning ring 22 is arranged inside the valve sleeve mounting hole, a clamp spring 8 located in front of the positioning ring 22 is arranged in the valve sleeve mounting hole 16, positioning of the valve sleeve 4 is achieved, and a first mounting groove 19 corresponding to the clamp spring 8 is arranged in the valve sleeve mounting hole 16, so that positioning and dismounting of the clamp spring 8 are facilitated.
The locating ring 22 is provided with a limiting sheet 7, the valve core 9 is arranged in the valve sleeve 4, the top end of the valve core 9 penetrates through the limiting sheet 7 and extends forwards, the diameter of the outer circle of the valve core 9 corresponds to the diameter of the inner hole of the limiting sheet 7, and the matching is precise. A check ring 23 is arranged on the excircle of the tail end of the valve core 9, the flow adjusting cylinder 6 is sleeved on the valve core and is positioned between the check ring 23 and the limiting sheet 7, the stroke of the valve core 9 is limited, and the limitation of the stroke of the valve core 9 is changed by replacing the flow adjusting cylinder 6 with different lengths, so that the flow is adjusted.
The spring 3 is arranged in the valve sleeve 4 and positioned at the bottom of the retainer ring 23 to elastically support the valve core 9, and the gasket 2 positioned at the bottom of the spring 3 is arranged in the valve sleeve 44 to limit the bottom of the spring 3. In this embodiment, the valve sleeve 4 bottom integration is provided with the spacing collar that is located gasket 2 below, avoids droing of gasket 2, and structural stability is high.
As shown in fig. 4, a cavity 27 with an open bottom is formed in the valve core 9, a first valve hole 24 and a second valve hole 26 which are communicated with the cavity 27 are formed on the outer circle of the valve core 9, the first valve hole 24 is positioned above the second valve hole 26, the first valve hole 24 is positioned above the clamp spring 8 and corresponds to the position of the connecting hole 14, so that liquid flowing out of the connecting hole 14 can enter the first valve hole 24 through the first valve hole 24, and a stable passage is formed. In this embodiment, the first valve hole 24 is a circular hole, and the processing is convenient.
The second valve hole 26 is a square hole, the outer circle of the valve core 9 is provided with a flow control groove 25 which extends upwards from the second valve hole 26 and is gradually reduced in width, liquid guided into the connecting hole 14 has certain pressure, the valve core 9 is stressed to descend, the spring 3 is compressed to enable the flow control groove 25 to locally enter the lower portion of the limiting sheet 7, and the connecting hole 14 is located above the limiting sheet 7, so that an effective liquid channel can be reduced, the problem of flow increase due to pressure increase is avoided, and the flow stabilizing effect is good.
To sum up, the utility model provides an adjustable constant flow valve, the flow stability in the use is high, can carry out the regulation of flow through the change of flow control barrel 6, and is easy and simple to handle, has reduced the transformation cost, has promoted application scope.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the present invention, or directly or indirectly applied to other related technical fields, and all included in the same way in the protection scope of the present invention.
Claims (10)
1. An adjustable constant flow valve, comprising: the valve comprises a valve body, a flow regulating cylinder, a spring, a valve core, a valve sleeve and a valve cover, wherein the valve body is provided with a valve sleeve mounting hole, a liquid inlet and a liquid outlet, the tail end of the valve sleeve mounting hole is communicated with the tail end of the liquid outlet, the tail end of the liquid inlet is directly or indirectly communicated with one side of the valve sleeve mounting hole, the valve cover is arranged at the front end of the valve sleeve mounting hole for plugging, the valve cover is arranged in the valve sleeve mounting hole, the top of the valve sleeve is concentrically provided with a positioning ring, a snap spring positioned in front of the positioning ring is arranged in the valve sleeve mounting hole, a limiting sheet is arranged in the positioning ring, the valve core is arranged in the valve sleeve, the top end of the valve core penetrates through the limiting sheet and extends forwards, a retaining ring is arranged outside the tail end of the valve core, the flow regulating cylinder is sleeved, the valve comprises a valve core and is characterized in that a first valve hole and a second valve hole communicated with a cavity are formed in the outer circle of the valve core, the first valve hole is located above the second valve hole, and a flow control groove which extends upwards from the second valve hole and is gradually reduced in width is formed in the outer circle of the valve core.
2. The adjustable constant flow valve of claim 1, wherein the liquid outlet is concentric with the liquid inlet, the valve sleeve mounting hole is obliquely directed to the end of the liquid outlet, the end of the liquid inlet is provided with a connecting hole communicated with one side of the valve sleeve mounting hole, the first valve hole is positioned above the clamp spring and corresponds to the connecting hole, and the excircle diameter of the valve core corresponds to the inner hole diameter of the limiting piece.
3. The adjustable constant flow valve of claim 1, wherein the front end of the valve sleeve mounting hole has a section of internal threads, and the outer circle of the valve cover is provided with external threads corresponding to the internal threads.
4. The adjustable constant flow valve of claim 1, wherein an outer hex post is provided on the valve cover.
5. The adjustable constant flow valve according to claim 4, characterized in that the valve body is provided with a positioning plate sleeved on the outer hexagonal cylinder, the positioning plate is provided with a spline groove corresponding to the outer hexagonal cylinder, and the positioning plate is fixed on the valve body by screws.
6. The adjustable constant flow valve of claim 1 wherein the spacer ring has a diameter greater than the diameter of the valve sleeve.
7. The adjustable constant flow valve of claim 1, wherein a first mounting slot corresponding to the snap spring is provided in the valve sleeve mounting hole.
8. The adjustable constant flow valve of claim 1, wherein a spacer is provided in the valve housing at the bottom of the spring.
9. The adjustable constant flow valve of claim 1, wherein the first valve orifice is a round orifice and the second valve orifice is a square orifice.
10. The adjustable constant flow valve according to claim 1, characterized in that a first sealing ring corresponding to the outer circle of the valve sleeve is disposed in the valve sleeve mounting hole, a second mounting groove corresponding to the first sealing ring is disposed in the valve sleeve mounting hole, and a second sealing ring corresponding to the inner wall of the valve sleeve mounting hole is disposed on the outer circle of the valve cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021462729.8U CN213017937U (en) | 2020-07-23 | 2020-07-23 | Adjustable constant flow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021462729.8U CN213017937U (en) | 2020-07-23 | 2020-07-23 | Adjustable constant flow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213017937U true CN213017937U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021462729.8U Active CN213017937U (en) | 2020-07-23 | 2020-07-23 | Adjustable constant flow valve |
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| Country | Link |
|---|---|
| CN (1) | CN213017937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115671629A (en) * | 2022-10-17 | 2023-02-03 | 南京和本机电设备科技有限公司 | Adjustable water spraying device for energy storage container |
-
2020
- 2020-07-23 CN CN202021462729.8U patent/CN213017937U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115671629A (en) * | 2022-10-17 | 2023-02-03 | 南京和本机电设备科技有限公司 | Adjustable water spraying device for energy storage container |
| CN115671629B (en) * | 2022-10-17 | 2023-11-17 | 南京和本机电设备科技有限公司 | Adjustable water spraying device for energy storage container |
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