CN211145373U - Flow-adjustable temperature control valve core - Google Patents
Flow-adjustable temperature control valve core Download PDFInfo
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- CN211145373U CN211145373U CN201922244568.9U CN201922244568U CN211145373U CN 211145373 U CN211145373 U CN 211145373U CN 201922244568 U CN201922244568 U CN 201922244568U CN 211145373 U CN211145373 U CN 211145373U
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- valve core
- ejector rod
- gasket
- mandril
- temperature control
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Abstract
The utility model provides an adjustable flow control by temperature change case belongs to valve technical field. It has solved the problem that current temperature control valve core can't keep the valve closed state. The flow-adjustable temperature control valve element comprises a valve element body, a valve element cover and an ejector rod, wherein the lower end of the ejector rod sequentially penetrates through the valve element cover and the valve element body and extends out from the lower side of the valve element body, a sealing gasket is connected to the lower end of the ejector rod, the upper end of the ejector rod extends out of the valve element cover, the ejector rod comprises an upper ejector rod and a lower ejector rod, the lower end of the upper ejector rod abuts against the upper end of the lower ejector rod, the valve element cover is connected to the inner side of the upper end of the valve element body in a threaded mode, the upper ejector rod and the valve element cover are axially limited, a spring is further sleeved outside the lower ejector rod, one end of the spring abuts against the valve element body, the other end of the spring acts on the lower ejector rod, a water. The flow-adjustable temperature control valve core can keep the closing state of the valve.
Description
Technical Field
The utility model belongs to the technical field of the valve, a temperature control valve core is related to, especially, relate to an adjustable flow temperature control valve core.
Background
The temperature control valve is an application of a flow control valve in the field of temperature control, and the temperature control valve on the market at present generally comprises a valve body and a valve core, and a valve core sealing surface and a valve port sealing surface in the valve body are tightly attached by means of pressure of a valve rod so as to prevent medium circulation.
After the existing valve core is installed on the valve body, the existing valve core can only be fixed at a certain relative height, the flow change is relatively fixed, the valve core cannot be freely regulated and controlled, and the valve core cannot keep the closed state of the valve under the condition of no hand wheel or external force, so that the use is relatively inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem that prior art exists, provide an adjustable flow temperature control valve core, solved the unable problem that keeps the valve closed state of current case.
The purpose of the utility model can be realized by the following technical proposal:
the flow-adjustable temperature control valve element is used for being installed in a valve body and comprises a valve element body, a valve element cover and an ejector rod, wherein the lower end of the ejector rod sequentially penetrates through the valve element cover and the valve element body and extends out from the lower side of the valve element body, the lower end of the ejector rod is connected with a sealing gasket, and the upper end of the ejector rod extends out of the valve element cover. The lower ejector rod is abutted against the lower end of the upper ejector rod under the action of the elastic force of the spring, a water through opening is formed in the valve body, and the lower ejector rod can be driven to move downwards by the valve core cover when the valve core cover moves downwards along the threads, so that the sealing gasket blocks the water through opening.
When the temperature control valve core with the adjustable flow is used, the temperature control valve core is arranged in the valve body, a water passing channel and a water passing port are arranged in the valve body, and the water passing port is positioned under the sealing gasket. When the valve needs to be closed, the valve core cover is rotated to move downwards along the threads, the upper ejector rod can move downwards along with the valve core cover due to the axial limiting between the valve core cover and the upper ejector rod, and the lower ejector rod is pushed to move downwards, so that the sealing gasket connected to the lower end of the lower ejector rod is driven to approach the water through opening, and the valve core cover and the valve core body are in a threaded connection mode, so that the valve can be stopped and the position can be locked at any time in the screwing process of the valve core cover, the flow can be adjusted freely, when the sealing gasket blocks the water through opening, the valve is completely closed, and the valve closing state can be kept all the time without external force.
In the flow-adjustable temperature control valve core, an annular retainer ring is axially fixed on the side part of the upper ejector rod, an annular gasket is arranged on the upper side of the retainer ring, and the upper end surface of the gasket is abutted against the lower side surface of the valve core cover.
In the flow-adjustable temperature control valve core, the upper side surface of the valve core body is provided with annular indicating scales around the axis of the ejector rod, and the upper side surface of the valve core cover is provided with an indicating mark.
In foretell adjustable flow temperature control case, the lower extreme lateral part of lower ejector pin has convex spacing fender shoulder, the outside of lower ejector pin has still linked firmly and is annular gasket, the lower ejector pin outside between gasket and the spacing fender shoulder has the toper face, sealed the pad cover establish the toper face outside and closely support with the toper face and lean on, it presss from both sides and this bearing jacket establishes to be provided with the bearing between spacing fender shoulder and the sealed pad the outside of lower ejector pin. The conical surface is designed to better realize the sealing between the sealing gasket and the bearing clamp when the sealing gasket is jacked upwards by the bearing clamp.
In the above-mentioned adjustable flow temperature control valve core, the outer side of the lower end part of the lower mandril is provided with a guide surface which is convenient for the lower mandril to extend into the water through hole.
In foretell adjustable flow temperature control case, the outside of ejector pin still overlaps and is equipped with the pressure pad piece down, the pressure pad piece supports and leans on the valve core body, the valve core body is located the downside of pressure pad piece has to be sunken to be annular seal groove, the seal groove is around above-mentioned ejector pin setting down just be provided with the sealing washer in the seal groove, the sealing washer part stretches out the seal groove and with the lower terminal surface counterbalance of pressure pad piece is leaned on and the inner wall of sealing washer with the ejector pin counterbalance is leaned on down, the one end of spring is used in on the pressure pad piece.
Compared with the prior art, the flow-adjustable temperature control valve core has the advantages that the upper ejector rod, the lower ejector rod and the sealing gasket can descend along with the valve core cover and can be locked at any time through the threaded connection between the valve core body and the valve core cover and the limit between the upper ejector rod and the valve core cover, the flow can be adjusted randomly, and the closing state of the valve can be kept.
Drawings
FIG. 1 is a schematic cross-sectional view of the present adjustable flow thermostatic valve cartridge.
In the figure, 1, a valve core body; 2. a valve core cover; 3. a gasket; 4. an ejector rod is arranged; 5. a lower ejector rod; 6. a spring; 7. a retainer ring; 8. a limiting shoulder; 9. a conical surface; 10. a bearing clamp; 11. a guide surface; 12. compressing the gasket; 13. and (5) sealing rings.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the temperature control valve core with adjustable flow rate is used for being installed in a valve body and comprises a mandril, a valve core body 1 and a valve core cover 2, wherein the mandril is in a round rod shape, the valve core body 1 and the valve core cover 2 are in a cylindrical shape, the valve core cover 2 is in threaded connection with the inner side of the upper end of the valve core body 1, and a cavity is formed between the mandril. The lower end of the ejector rod penetrates through the valve core cover 2 and the valve core body 1 in sequence and extends out from the lower side of the valve core body 1, the lower end of the ejector rod is connected with a sealing gasket 3, and the upper end of the ejector rod extends out of the valve core cover 2 and is used for being matched and connected with a temperature control valve head.
Specifically, the ejector pin includes independent last ejector pin 4 and lower ejector pin 5, goes up ejector pin 4 and lower ejector pin 5 all vertical setting, and the lower extreme of going up ejector pin 4 supports by the upper end at lower ejector pin 5, and sealed 3 connection is at the lower extreme of lower ejector pin 5.
The side part of the upper ejector rod 4, which is positioned in the cavity, is provided with a concave connecting groove, an annular split retainer ring 7 is connected in the connecting groove in a clamping manner, an annular gasket is arranged on the upper side of the retainer ring 7, the upper end surface of the gasket is abutted against the lower side surface of the valve core cover 2, and then the upper ejector rod 4 can move downwards along with the valve core cover 2.
A spring 6 is also arranged in the cavity, and the spring 6 is sleeved outside the lower ejector rod 5. The lateral wall of the upper end of the lower ejector rod 5 is also provided with a connecting groove, an annular split retainer ring is connected in the connecting groove in a clamping mode, an annular gasket is arranged on the lower side of the split retainer ring, and the upper end of the spring 6 is abutted to the lower end face of the gasket.
The outer side of the lower ejector rod 5 in the cavity is further sleeved with an annular compression gasket 12, the lower end of the compression gasket 12 is abutted against the valve core body 1, the lower side of the valve core body 1, which is located on the compression gasket 12, is provided with a concave annular sealing groove, the sealing groove is arranged around the lower ejector rod 5, a sealing ring 13 is arranged in the sealing groove, part of the sealing ring 13 extends out of the sealing groove and is abutted against the lower end face of the compression gasket 12, the inner wall of the sealing ring 13 is abutted against the lower ejector rod 5, and the lower end of the spring 6 is abutted against the compression gasket 12 through a. The outer edge of the pressing gasket 12 is also provided with a flange which is folded upwards to form a cylinder shape, and the outer side surface of the flange is abutted against the inner wall of the valve core body 1.
Similarly, the gasket at the upper ejector rod 4 also comprises a gasket in the shape of a circular ring sheet and a compression gasket, the compression gasket abuts against the lower side of the valve core cover 2, the gasket is located between the compression gasket and the split washer 7, the upper side of the valve core cover 2 located on the compression gasket is provided with a concave circular sealing groove, a sealing ring is also arranged in the sealing groove, the sealing ring partially extends out of the sealing groove and abuts against the upper end face of the compression gasket, and the inner wall of the sealing ring abuts against the upper ejector rod 4. The outer edge of the pressing gasket is also provided with a flange which is downwards folded to be cylindrical, and the outer side surface of the flange is propped against the inner wall of the valve core cover 2.
The upper side surface of the valve core body 1 is provided with annular indicating scales around the axis of the mandril, and the upper side surface of the valve core cover 2 is provided with an indicating mark. Here, the indication mark may be an arrow.
The lower extreme lateral part of lower ejector pin 5 has the protrusion to be the annular spacing fender shoulder 8 of circle, and the outside of lower ejector pin 5 has still linked firmly and is the annular gasket of circle, and the lower ejector pin 5 outside between gasket and the spacing fender shoulder 8 has conical surface 9, and the inner wall of sealed pad 3 also is conical surface and cover and establishes in the conical surface 9 outside of lower ejector pin 5 and closely supports with this conical surface 9 and lean on, and spacing fender shoulder 8 is provided with bearing clamp 10 and this bearing clamp 10 cover between sealed pad 3 and establishes the outside of ejector pin 5 down. The outer side of the lower end part of the lower mandril 5 is provided with a guide surface 11 which is convenient for the lower mandril 5 to extend into the water through hole.
When the temperature control valve core with the adjustable flow is used, the temperature control valve core is arranged in a valve body, a water passing channel and a water passing port are arranged in the valve body, and the water passing port is positioned under the sealing gasket 3. When the valve needs to be closed, the valve core cover 2 is rotated to move downwards along the threads, the valve core cover 2 and the upper ejector rod 4 are axially limited through the check ring 7, the upper ejector rod 4 can move downwards along with the valve core cover 2 and push the lower ejector rod 5 to move downwards, so that the sealing gasket 3 connected to the lower end of the lower ejector rod 5 is driven to approach the water through opening, the valve core cover 2 and the valve core body 1 are in a threaded connection mode, the valve core cover 2 can be stopped and kept locked at any time in the screwing-in process, the flow can be conveniently adjusted at will, when the sealing gasket 3 blocks the water through opening, the valve is completely closed, and the valve closing state can be kept all the time without external force.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The flow-adjustable temperature control valve core is used for being installed in a valve body and comprises a valve core body (1), a valve core cover (2) and a mandril, wherein the lower end of the mandril sequentially penetrates through the valve core cover (2) and the valve core body (1) and extends out from the lower side of the valve core body (1), a sealing gasket (3) is connected with the lower end of the mandril, and the upper end of the mandril extends out of the valve core cover (2), the flow-adjustable temperature control valve core is characterized in that the mandril comprises an upper mandril (4) and a lower mandril (5) which are mutually independent, the upper mandril (4) and the lower mandril (5) are vertically arranged, the lower end of the upper mandril (4) is abutted against the upper end of the lower mandril (5), the sealing gasket (3) is connected with the lower end of the lower mandril (5), the valve core cover (2) is in threaded connection with the inner side of the upper end of the valve core body (1), the upper mandril (4, the lower ejector rod (5) is further sleeved with a spring (6), one end of the spring (6) is abutted against the valve core body (1), the other end of the spring is acted on the lower ejector rod (5), the lower ejector rod (5) is abutted against the lower end of the upper ejector rod (4) under the elastic action of the spring (6), a water through hole is formed in the valve body, and the valve core cover (2) can drive the lower ejector rod (5) to move downwards and enable the sealing gasket (3) to be sealed and blocked when moving downwards along the threads.
2. The temperature control valve core capable of adjusting the flow rate according to claim 1, characterized in that an annular retainer ring (7) is axially fixed on the side part of the upper ejector rod (4), an annular gasket is arranged on the upper side of the retainer ring (7), and the upper end surface of the gasket is abutted against the lower side surface of the valve core cover (2).
3. The temperature control valve core with the adjustable flow rate according to claim 1 or 2, wherein the upper side surface of the valve core body (1) is provided with an annular indicating scale around the axis of the ejector rod, and the upper side surface of the valve core cover (2) is provided with an indicating mark.
4. The temperature control valve core with the adjustable flow rate according to claim 1 or 2, wherein a protruding limiting stop shoulder (8) is arranged on the side portion of the lower end of the lower ejector rod (5), an annular gasket is fixedly connected to the outer side of the lower ejector rod (5), a conical surface (9) is arranged on the outer side of the lower ejector rod (5) between the gasket and the limiting stop shoulder (8), the sealing gasket (3) is sleeved on the outer side of the conical surface (9) and tightly abutted against the conical surface (9), a bearing clamp (10) is arranged between the limiting stop shoulder (8) and the sealing gasket (3), and the bearing clamp (10) is sleeved on the outer side of the lower ejector rod (5).
5. The temperature control valve core capable of adjusting the flow rate according to claim 4, characterized in that the outer side of the lower end part of the lower ejector rod (5) is provided with a guide surface (11) which facilitates the lower ejector rod (5) to extend into the water through hole.
6. The temperature control valve core with the adjustable flow rate according to claim 1 or 2, wherein a pressing gasket (12) is further sleeved on the outer side of the lower ejector rod (5), the pressing gasket (12) abuts against the valve core body (1), a concave annular sealing groove is formed in the lower side of the valve core body (1) on the pressing gasket (12), the sealing groove is arranged around the lower ejector rod (5), a sealing ring (13) is arranged in the sealing groove, part of the sealing ring (13) extends out of the sealing groove and abuts against the lower end face of the pressing gasket (12), the inner wall of the sealing ring (13) abuts against the lower ejector rod (5), and one end of the spring (6) acts on the pressing gasket (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922244568.9U CN211145373U (en) | 2019-12-13 | 2019-12-13 | Flow-adjustable temperature control valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922244568.9U CN211145373U (en) | 2019-12-13 | 2019-12-13 | Flow-adjustable temperature control valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211145373U true CN211145373U (en) | 2020-07-31 |
Family
ID=71746572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922244568.9U Active CN211145373U (en) | 2019-12-13 | 2019-12-13 | Flow-adjustable temperature control valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211145373U (en) |
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2019
- 2019-12-13 CN CN201922244568.9U patent/CN211145373U/en active Active
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