CN210770320U - Low-leakage high-resistance valve module - Google Patents
Low-leakage high-resistance valve module Download PDFInfo
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- CN210770320U CN210770320U CN201921378315.4U CN201921378315U CN210770320U CN 210770320 U CN210770320 U CN 210770320U CN 201921378315 U CN201921378315 U CN 201921378315U CN 210770320 U CN210770320 U CN 210770320U
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Abstract
The utility model discloses a low-leakage high-resistance valve module, which comprises a valve body, a gland and a valve cover, wherein the valve body and the gland are provided with a vertical cavity, the valve body and the valve cover are provided with a horizontal cavity, the joint of the gland and the valve body is provided with a compression ring, a valve core is arranged in the vertical cavity, one end of the valve core outside the gland is provided with a hand wheel, the joint of the valve body and the valve cover is provided with a valve seat, the valve rod passes through the valve seat, and the valve rod is provided; an adjusting bracket is arranged in the valve cover in the horizontal direction, through holes are formed in the valve cover and the adjusting bracket, an adjusting screw rod is arranged in the through hole, an adjusting handle is arranged on one side of the adjusting screw rod outside the valve cover, and two spring seats are arranged in a horizontal cavity of the valve cover; the sealing surface of the valve rod and the valve seat adopts a reverse sealing mode, low-pressure leakage and high-pressure prevention performance can be realized, and the low-pressure leakage monitoring function of the system can be realized through corresponding equipment at the outlet of the valve cover. The correction of the low-pressure leakage critical pressure value of the low-leakage high-resistance module can be realized by adjusting the action of the screw rod.
Description
Technical Field
The utility model relates to a valve class module technical field particularly, relates to a low high resistant valve module that leaks.
Background
The low pressure leakage of the existing high pressure system such as a reverse seal stop valve, a check valve and the like frequently occurs. Along with the requirement of increasing the low pressure leakage monitoring function of valve design, when the valve is designed, the design degree of difficulty of the valve is increased, the processing degree of difficulty of the valve is also increased, and the problem of the reduction of the finished product rate of the valve is easily caused.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides a, can overcome prior art's the above-mentioned not enough.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
1. a low-leakage high-resistance valve module comprises a valve body, a gland and a valve cover, wherein the valve body is in threaded connection with the gland, a vertical cavity is formed between the valve body and the gland, the valve body is in bolted connection with the valve cover, and a horizontal cavity is formed between the valve body and the valve cover;
a pressing ring is arranged at the joint of the gland and the valve body, a valve core is arranged in the vertical cavity, and a hand wheel is arranged at one end of the valve core outside the gland;
a valve seat is arranged at the joint of the valve body and the valve cover, a valve rod is arranged in the horizontal cavity of the valve body, the valve rod penetrates through the valve seat, and a corresponding groove of a sealing ring is arranged on the valve rod;
the valve cover is characterized in that an adjusting support is arranged in the horizontal direction of the valve cover, through holes are formed in the valve cover and the adjusting support, an adjusting screw rod is arranged in the through hole, an adjusting handle is arranged on one side of the adjusting screw rod outside the valve cover, two spring seats are arranged in the horizontal cavity of the valve cover, and the two spring seats respectively penetrate through one end of the adjusting screw rod in the horizontal cavity of the valve cover and one end of the valve rod in the horizontal cavity of the valve cover.
Furthermore, a right-angle channel is arranged in the valve body, the right-angle channel is connected with the horizontal cavity in the horizontal direction, and the right-angle channel is connected with the vertical cavity in the horizontal direction.
Furthermore, a screw thread is arranged in the gland and connected with the valve core.
Further, a spring is arranged between the two spring seats.
Furthermore, the sealing surface of the valve core and the valve body is in a normally open state.
The utility model has the advantages that: the utility model relates to a low high resistance valve module that leaks, through the design low high resistance valve module that leaks, will process the great valve body of difficulty-the sealed face design of case in the module, form a low high resistance valve that leaks through the form of falling sealed, possess low pressure and leak the monitoring function, valve rod and the sealed face of disk seat adopt the form of falling sealed, and realizable low pressure leaks and high pressure prevention performance, through the corresponding equipment of valve gap export, can realize system's low pressure and leak the monitoring function. Through the action of the adjusting screw rod, the correction of the low-pressure leakage critical pressure value of the low-leakage high-resistance module can be adjusted, and the quick maintenance is realized. Case and the sealed face of valve body are in normally open state, and the accessible rotates the hand wheel under the abnormal conditions and cuts off the utility model discloses and the main valve medium within a definite time flows, the overhaul the utility model discloses a left side position, thereby improves the maintenance nature of the utility model discloses a.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described 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 according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a low-leakage high-resistance valve module according to an embodiment of the present invention.
In the figure: 1. a valve body; 2. a valve core; 3. pressing a ring; 4. a gland; 5. a hand wheel; 6. a valve stem; 7. a seal ring; 8. a valve seat; 9. a valve cover; 10. a spring seat; 11. a spring 12 and an adjusting screw rod; 13. adjusting the bracket; 14. and adjusting the handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1, according to the embodiment of the present invention, a low-leakage high-resistance valve module mainly includes a valve body 1, a gland 4, and a valve cover 9.
In this preferred embodiment, valve body 1 and 4 threaded connection of gland, valve body 1 and gland 4 are provided with perpendicular cavity, valve body 1 and valve gap 9 bolted connection, valve body 1 and valve gap 9 are provided with horizontal cavity, gland 4 and the 1 junction of valve body are provided with clamping ring 3, be provided with case 2 in the perpendicular cavity, case 2 is provided with hand wheel 5 in the outer one end of gland, inserts valve body 1 at appropriate position, and the medium passes through the passageway and enters into horizontal cavity, and in order to make things convenient for the restoration at valve gap 9 position, can make case 2 cut off and the main valve between the medium flow through rotating hand wheel 5, tear open and repair the utility model discloses a high-efficient maintenance can be realized to the left side part.
In the preferred embodiment, a valve seat 8 is arranged at the joint of the valve body 1 and the valve cover 9, a valve rod 6 is arranged in a horizontal cavity of the valve body 1, the valve rod 6 penetrates through the valve seat 8, and a corresponding groove of a sealing ring 7 is arranged on the valve rod 6; the sealing surface of the valve rod 6 and the valve seat 8 adopts a reverse sealing mode, when low pressure leaks, the medium pushes the valve rod 6 to be close to the valve seat 8, the leaked medium enters the valve cover 9 through the pushing valve rod 6, and the function of low pressure leakage is monitored from the outlet of the valve cover 9.
In the preferred embodiment, an adjusting support 13 is arranged in the horizontal direction of the valve cover 9, through holes are formed in the valve cover 9 and the adjusting support 13, an adjusting screw 12 is arranged in the through hole, an adjusting handle 14 is arranged on one side of the adjusting screw 12 outside the valve cover 9, two spring seats 10 are arranged in a horizontal cavity of the valve cover 9, and the two spring seats 10 respectively penetrate through one end of the adjusting screw 12 in the horizontal cavity of the valve cover 9 and one end of the valve rod 6 in the horizontal cavity of the valve cover 9. The adjustment of the critical pressure of the low-pressure leakage can be realized by screwing the adjustment handle 12 with a wrench.
In the preferred embodiment, a right-angle channel is arranged in the valve body 1, the right-angle channel is connected with the horizontal cavity in the horizontal direction, and the right-angle channel is connected with the vertical cavity in the horizontal direction.
In the preferred embodiment, the gland 4 is internally provided with threads to be connected with the valve core 2.
In the preferred embodiment, a spring 11 is disposed between the two spring seats 10. After the valve rod 6 is pushed by the medium, low-pressure leakage is monitored, the valve rod does not need to be restored manually, and the valve rod can be restored to the original position through the kinetic energy of the spring.
In the preferred embodiment, the sealing surface of the valve core 2 and the valve body 1 is in a normally open state. Accessible rotates hand wheel 5 under the abnormal conditions and cuts off the utility model discloses and the main valve between the medium flow, overhaul the utility model discloses a left side position, thereby improve the utility model discloses a maintainability.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
When specifically using, according to under the normal condition, the valve body cartridge on the corresponding interface of design valve, the case is in normally open state, low pressure leakage medium impels the valve rod to be close to the disk seat, before pressure reaches low pressure leakage critical pressure value, leakage medium accessible valve rod gets into the valve gap to detect out in the valve gap exit, reach the function of low pressure leakage performance and low pressure leakage control, when pressure reaches low pressure leakage critical pressure value and surpasss this value, the valve rod passes through sealing ring wherein and disk seat is sealed, thereby reach high pressure and prevent the performance.
When unusual situation appears, can realize adjusting the low correction of leaking the critical pressure value of high resistance valve module low pressure through rotating adjusting screw to resume normal condition, or can rotate the hand wheel, the case contacts and seals with the sealed face of valve body, the overhaul the utility model discloses the left side position, in order to resume normal condition.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A low-leakage high-resistance valve module comprises a valve body (1), a gland (4) and a valve cover (9), and is characterized in that the valve body (1) is in threaded connection with the gland (4), the valve body (1) and the gland (4) are provided with vertical cavities, the valve body (1) is in bolted connection with the valve cover (9), and the valve body (1) and the valve cover (9) are provided with horizontal cavities;
a pressing ring (3) is arranged at the joint of the gland (4) and the valve body (1), a valve core (2) is arranged in the vertical cavity, and a hand wheel (5) is arranged at one end of the valve core (2) outside the gland;
a valve seat (8) is arranged at the joint of the valve body (1) and the valve cover (9), a valve rod (6) is arranged in a horizontal cavity of the valve body (1), the valve rod (6) penetrates through the valve seat (8), and a corresponding groove of a sealing ring (7) is formed in the valve rod (6);
be provided with on valve gap (9) the horizontal direction and adjust support (13), valve gap (9) and regulation support (13) are provided with the through-hole, be provided with adjusting screw (12) in the through-hole, adjusting screw (12) are provided with regulation handle (14) in the outer one side of valve gap (9), be provided with two spring holders (10) in the horizontal cavity of valve gap (9), one end and the one end of valve rod (6) in valve gap (9) horizontal cavity of adjusting screw (12) are passed respectively in two spring holders (10).
2. A low-leakage high-resistance valve module according to claim 1, characterized in that a right-angle channel is arranged in the valve body (1), the right-angle channel is horizontally connected with a horizontal cavity, and the right-angle channel is horizontally connected with a vertical cavity.
3. A low-leakage high-resistance valve module according to claim 1, characterized in that the gland (4) is internally provided with a thread connected with the valve core (2).
4. A low-leakage high-resistance valve module according to claim 1, characterized in that a spring (11) is arranged between the two spring seats (10).
5. A low-leakage high-resistance valve module according to claim 1, characterized in that the sealing surface of the valve core (2) and the valve body (1) is in a normally open state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921378315.4U CN210770320U (en) | 2019-08-23 | 2019-08-23 | Low-leakage high-resistance valve module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921378315.4U CN210770320U (en) | 2019-08-23 | 2019-08-23 | Low-leakage high-resistance valve module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210770320U true CN210770320U (en) | 2020-06-16 |
Family
ID=71037397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921378315.4U Active CN210770320U (en) | 2019-08-23 | 2019-08-23 | Low-leakage high-resistance valve module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210770320U (en) |
-
2019
- 2019-08-23 CN CN201921378315.4U patent/CN210770320U/en active Active
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