CN218598852U - Water supply regulating valve - Google Patents
Water supply regulating valve Download PDFInfo
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- CN218598852U CN218598852U CN202223227704.1U CN202223227704U CN218598852U CN 218598852 U CN218598852 U CN 218598852U CN 202223227704 U CN202223227704 U CN 202223227704U CN 218598852 U CN218598852 U CN 218598852U
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- valve clack
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Abstract
The utility model discloses a water supply regulating valve, wherein a valve body cover is connected with a valve cover, a throttle sleeve, a valve clack and a valve rod are arranged in the valve body, the valve clack is sleeved outside the valve rod, the throttle sleeve is sleeved outside the valve clack, a throttle orifice is arranged on the throttle sleeve, a spring is arranged between the valve clack and the valve rod, and the spring is sleeved outside the valve rod; a vertical groove is formed in the inner wall of the throttling sleeve, and a pin column is arranged on the valve clack and is arranged in the groove; the groove and the pin column form an anti-rotation mechanism, so that the anti-rotation function of the valve clack is realized, the rotation torque transmitted to the valve rod by the valve clack under the impact of water flow is eliminated, the top of the valve rod is effectively prevented from being separated, and the valve clack plays a role in guiding when moving; its valve clack and valve rod are split type structure to realize loose the connection through the spring, play the cushioning effect through the pretightning force of spring when the assembly, thereby effectively avoid the valve clack to lead to the easy tired defect of valve rod with vibrations conduction to the valve rod, reduce the running noise, improve valve rod life and wholeness ability.
Description
Technical Field
The utility model belongs to the technical field of the valve, especially, relate to a feed water regulating valve.
Background
The water supply regulating valve is mainly used for a boiler water supply system and can be divided into a main water supply regulating valve, a main water supply bypass regulating valve and a water spray temperature reduction regulating valve according to the specific application scene, the function of the water supply regulating valve is mainly to accurately regulate the water supply flow, and the requirements of the boiler on the water supply amount during working under different working conditions are met.
The existing feed regulating valve usually adopts a sleeve plunger type structure and consists of a valve body and an actuating mechanism, a typical structure of the valve is shown in figure 1, the flow direction of the valve is high in and low out, or called a flow-off type, a throttling hole is arranged on a throttling sleeve, when a valve clack is lifted, a medium flows through the throttling sleeve through the throttling hole to reach the downstream of the valve, and the flow area of the valve is changed along with the change of the lifting height of the valve clack, so that the flow resistance of the valve is changed, and the flow regulation is realized.
The valve clack and the valve rod of the structure are of an integrated structure and are connected with the actuating mechanism through the connecting block, and in the operation process of the valve, under the impact of water flow, the valve clack can generate a certain rotating torque in the throttling sleeve and simultaneously vibrate along with the valve clack; because valve clack and valve rod formula structure as an organic whole, the valve clack transmits rotation moment to the valve rod for the length of closing soon of valve rod and connecting block changes, can deviate from even, thereby leads to the instruction aperture and the actual aperture of valve to deviate from. In addition, the vibrations conduction of valve clack and valve rod junction lead to the root of the valve rod tired, can take place the fracture of valve rod root after long-term operation.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned at least one aspect problem that prior art's water supply control valve exists, the utility model provides a water supply control valve through increase between throttle cover and valve clack and prevent changeing the structure, eliminates the valve clack moment of rotation of valve operation in-process, and the valve clack adopts split type loose connection and increase damping spring with the valve rod simultaneously, thereby effectively avoids the valve clack to vibrate the transmission to the valve rod and leads to the easy tired defect of valve rod.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a water supply regulating valve, which comprises a valve body, wherein a valve cover is arranged on the valve body cover, a throttle sleeve, a valve clack and a valve rod are arranged in the valve body, the valve clack is sleeved outside the valve rod, the throttle sleeve is sleeved outside the valve clack, a throttle hole is arranged on the throttle sleeve, a spring is arranged between the valve clack and the valve rod, and the spring sleeve is arranged outside the valve rod; the inner wall of the throttling sleeve is provided with a vertical groove, the valve clack is provided with a pin column, and the pin column is arranged in the groove.
In the water supply regulating valve, when the valve clack moves up and down, the pin column moves up and down in the groove along with the valve clack, so that the valve clack is prevented from rotating, and meanwhile, the valve clack is guided to move up and down; meanwhile, the spring plays a role in shock absorption between the valve clack and the valve rod.
The valve rod can be sleeved with a nut, and the nut is in contact with the end face of the spring. At the moment, the vertical position of the nut can be adjusted through rotating the nut, the acting force of the spring is adjusted, and the damping effect of the spring is adjusted.
The utility model discloses a water supply regulating valve, the beneficial effects of the utility model are that:
1. the valve flap moves up and down to change the flow resistance of the valve and adjust the water supply flow, so that the requirements of a boiler system on the water supply flow under multiple working conditions are met.
2. The rotation preventing mechanism is arranged between the throttling sleeve and the valve clack and consists of a groove formed in the inner wall of the throttling sleeve and a pin column arranged on the valve clack, the pin column moves up and down in the groove along with the valve clack, the degree of freedom of the valve clack is effectively limited, the rotation preventing function of the valve clack is achieved, the rotating moment of the valve clack, which is transmitted to the valve rod under the impact of water flow, is eliminated, and therefore the situation that the top of the valve rod is separated from the valve rod is effectively avoided. Simultaneously, the cooperation of round pin post and recess can play good guide effect when the valve clack motion for the valve clack promotes more smoothly with the motion of closing the in-process.
3. The valve clack and the valve rod adopt a split structure, and the loose connection is realized through a spring. When the valve is assembled, the pre-tightening force of the spring plays a role in shock absorption, so that the defect that the valve rod is easy to fatigue due to the fact that the valve clack conducts vibration to the valve rod is effectively overcome, operation noise is reduced, the service life of the valve rod is obviously prolonged, and the overall performance of the valve is improved.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
FIG. 1 is a schematic view showing a structure of a feed water regulating valve of the prior art,
fig. 2 is a schematic structural view of the water supply regulating valve of the present invention.
The arrows in both fig. 1 and fig. 2 indicate the medium flow direction.
In the figure, 1 is a valve body, 2 is a throttling sleeve, 3 is a valve clack, 4 is a valve rod, 5 is a valve cover, 6 is an actuator, 7 is a connecting block, 8 is a nut, 9 is a spring and 10 is a pin column.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following description will be given with reference to the embodiments of the present invention and the accompanying drawings, in which the technical solution of the present invention is clearly and completely described. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Examples
As shown in fig. 2, the water supply regulating valve comprises a valve body 1, a valve cover 5 is connected to the valve body 1 in a covering manner, a throttling sleeve 2, a valve clack 3 and a valve rod 4 are arranged in the valve body 1, the valve clack 3 is sleeved outside the valve rod 4, the throttling sleeve 2 is sleeved outside the valve clack 3, a throttling hole is formed in the throttling sleeve 2, a spring 9 is arranged between the valve clack 3 and the valve rod 4, and the spring 9 is sleeved outside the valve rod 4; the inner wall of the throttling sleeve 2 is provided with a vertical groove, the valve clack 3 is provided with a pin column 10, and the pin column 10 is arranged in the groove.
The water supply regulating valve of this embodiment, set up between throttle sleeve 2 and the valve clack 3 and prevent changeing the mechanism, should prevent changeing the mechanism and constitute by setting up at the recess of 2 inner walls of throttle sleeve and setting up the round pin post 10 on valve clack 3, along with valve clack 3 up-and-down motion in the recess through round pin post 10, the degree of freedom of valve clack 3 has effectively been restricted, realized preventing of valve clack 3 changeing the function, eliminated valve clack 3 and given the turning moment for valve rod 4 under water impact, thereby effectively avoided the valve rod 4 top to deviate from. Meanwhile, the pin 10 and the groove can play a good guiding role when the valve clack 3 moves.
Moreover, the valve clack 3 and the valve rod 4 adopt a split structure, and the loose connection is realized through a spring 9. When the assembly, pretightning force through spring 9 plays the cushioning effect, thereby effectively avoided valve clack 3 to lead to valve rod 4 easy tired defect with vibrations conduction to valve rod 4.
The valve rod 4 can be sleeved with a nut 8, and the nut 8 is in end face contact with the spring 9. During the assembly, can be through swivel nut 8, adjust nut 8's vertical position to the vertical length of adjusting spring 9, thereby the vertical extension of adjusting spring 9 or the compressive capacity, the pretightning force of adjusting spring 9 in advance, thereby obtain required shock attenuation effect.
The number of grooves and studs 10 may be at least two, respectively. The grooves and the studs 10 may be evenly distributed.
For example, the number of grooves and pins 10 is two.
The pin 10 may be a transverse cylindrical pin, the end of which is disposed in a groove.
The regulating valve can also comprise a connecting block 7, the connecting block 7 is provided with a screw hole, and the top end of the valve rod 4 penetrates out of the valve cover 5 and extends into the screw hole to be connected with the connecting block 7 in a threaded manner. The pin column 10 moves up and down in the groove along with the valve clack 3, the rotation prevention function of the valve clack 3 is realized, the rotation moment transmitted to the valve rod 4 by the valve clack 3 under the water flow impact is eliminated, and the top thread of the valve rod 4 is effectively prevented from being separated from the connecting block 7.
The connecting block 7 can be connected to the actuator 6.
The valve body 1 may be of a straight-through construction with a flow direction of the medium being flow-off, as indicated by the solid arrows in fig. 2. The middle cavity in the valve body 1 is provided with a sealing structure, for example, the middle cavity in the valve body 1 is forcedly sealed.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.
Claims (10)
1. A water supply regulating valve comprises a valve body, wherein a valve cover is connected with the valve body, a throttling sleeve, a valve clack and a valve rod are arranged in the valve body, the valve clack is sleeved outside the valve rod, the throttling sleeve is sleeved outside the valve clack, and a throttling hole is formed in the throttling sleeve; the inner wall of the throttling sleeve is provided with a vertical groove, the valve clack is provided with a pin column, and the pin column is arranged in the groove.
2. The feedwater regulating valve of claim 1, wherein a nut is sleeved on the valve stem and is in contact with the end face of the spring.
3. The feedwater regulating valve of claim 1, wherein the number of grooves and pins is at least two, respectively.
4. The feedwater regulating valve of claim 3, wherein the grooves and the pegs are evenly distributed.
5. The feedwater regulating valve of claim 4, wherein the number of grooves and pins are two.
6. The feedwater regulating valve of claim 1, wherein said pin is a transverse cylindrical pin, the end of which is disposed within said groove.
7. The feedwater regulating valve of claim 1, further comprising a connecting block, wherein the connecting block is provided with a threaded hole, and the top end of the valve rod penetrates through the valve cover and extends into the threaded hole to be in threaded connection with the connecting block.
8. The feedwater regulating valve of claim 7, wherein the connecting block is connected to an actuator.
9. The feedwater regulating valve of claim 1, wherein said valve body is of a straight-through construction.
10. The feedwater regulating valve of claim 9, wherein the valve body internal cavity is provided with a sealing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223227704.1U CN218598852U (en) | 2022-12-02 | 2022-12-02 | Water supply regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223227704.1U CN218598852U (en) | 2022-12-02 | 2022-12-02 | Water supply regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218598852U true CN218598852U (en) | 2023-03-10 |
Family
ID=85409147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223227704.1U Active CN218598852U (en) | 2022-12-02 | 2022-12-02 | Water supply regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218598852U (en) |
-
2022
- 2022-12-02 CN CN202223227704.1U patent/CN218598852U/en active Active
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