CN217927232U - Double-sealing water valve - Google Patents

Double-sealing water valve Download PDF

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Publication number
CN217927232U
CN217927232U CN202221928981.2U CN202221928981U CN217927232U CN 217927232 U CN217927232 U CN 217927232U CN 202221928981 U CN202221928981 U CN 202221928981U CN 217927232 U CN217927232 U CN 217927232U
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hole
sealing
seat
valve
water
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CN202221928981.2U
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Chinese (zh)
Inventor
张鹤飞
张晓培
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Beijing Hewick Technology Development Co ltd
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Beijing Hewick Technology Development Co ltd
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Abstract

The utility model belongs to the technical field of valve equipment, in particular to a double-sealing water valve, which comprises a valve body, a valve core and a sealing seat; the sealing seat is provided with a water inlet groove, a through hole A and a through hole B, the through hole A is communicated with the water inlet groove, the through hole B is communicated with the water outlet end of the sealing seat, the sealing seat is inserted on the valve body, the water inlet groove, the through hole A and the through hole B are all positioned in the water flow channel, the through hole A is communicated with the through hole B through the water flow channel, a sealing surface A is arranged on the sealing seat, and the sealing surface A is positioned between the through hole A and the through hole B; the valve core is arranged on the valve body in a sliding mode, and a sealing surface B matched and sealed with the sealing surface A is arranged on the valve core. This double containment water valve through sealed face A with sealed face B and case and through-hole A's cooperation forms twice and seals, and first seal can open certain sealed effect, can reduce the water again and say sealed the damage of washing away of second, seal to the second and play certain protection effect to this double containment water valve's of effectual extension life.

Description

Double-sealing water valve
Technical Field
The utility model belongs to the technical field of valve equipment, concretely relates to double containment water valve.
Background
High pressure valves have been widely used in the fields of superhard material manufacturing, chemical industry, petrochemical industry, processing technology, isostatic pressing, ultra-high hydrostatic extrusion, powder metallurgy, metal forming, geophysical and geological research, etc. Can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.
When the existing high-pressure water valve is used, because the water quality is poor, a water body can scour a sealing surface when flowing through the sealing surface, so that the sealing surface of the high-pressure water valve fails, and the service life of the high-pressure water valve is shortened. Therefore, the invention provides a high-pressure water valve with good sealing effect and long service life, which is a technical problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that prior art exists, the utility model provides a double containment water valve to the sealed face of the high pressure water valve who exists among the solution prior art erodees inefficacy because of the relatively poor water of quality of water easily, leads to the technical problem of the life reduction of high pressure water valve.
The utility model discloses a following technical scheme specifically realizes:
a double-seal water valve comprises a valve body, a valve core and a seal seat;
a water flowing channel is arranged in the valve body;
the water inlet end of the sealing seat is provided with a water inlet groove, the side wall of the sealing seat is provided with a through hole A and a through hole B, the through hole A is communicated with the water inlet groove, the through hole B is communicated with the water outlet end of the sealing seat, the water inlet end of the sealing seat is inserted on the valve body, the water inlet groove, the through hole A and the through hole B are all positioned in the water flowing channel, the through hole A is communicated with the through hole B through the water flowing channel, the sealing seat is provided with a sealing surface A, and the sealing surface A is positioned between the through hole A and the through hole B;
the valve core is provided with a through hole, the valve core is arranged on the valve body in a sliding manner, the water outlet end of the valve core is in insertion fit with the water inlet end of the sealing seat, and the water outlet end of the valve core is provided with a sealing surface B matched with the sealing surface A; when the valve core slides to the direction of the sealing seat until the sealing surface A is attached to the sealing surface B, the side wall of the valve core blocks the through hole A, so that the sealing surface A and the sealing surface B as well as the side wall of the valve core and the through hole A form two sealing structures.
In order to better realize the utility model, the structure is further optimized, the sealing surface A is arranged on the side wall of the water inlet tank, and the cross-sectional shape of the valve core is matched with that of the water inlet tank; when the valve core slides to the direction of the sealing seat until the sealing surface A is attached to the sealing surface B, the valve core is inserted into the water inlet groove, and the outer side wall of the valve core blocks the through hole A.
In order to better realize the utility model, in the above structure, the sealing surface a is disposed on the outer side wall of the sealing seat, and the sealing surface a is located between the through hole a and the through hole B, and the cross-sectional shape of the through hole matches with the cross-sectional shape of the sealing seat; when the valve core slides to the sealing seat in the direction of the sealing seat until the sealing surface A is attached to the sealing surface B, the valve core is sleeved on the sealing seat, and the side wall of the through hole blocks the through hole A.
In order to better realize the utility model, the structure is further optimized, and the sealing seat comprises a fixed seat and a sliding seat; the water inlet groove and the through hole A are both arranged on the sliding seat, and the cross section shape of the sliding seat is matched with that of the through hole; the through hole B is formed in the fixed seat, a sliding groove is formed in one end, facing the sliding seat, of the fixed seat, and the sealing surface A is arranged at the notch of the sliding groove.
In order to realize the utility model discloses, do further optimization in above-mentioned structure, be provided with the restriction in the through hole the spacing step of the sliding range of sliding seat, the sliding seat slides and sets up spacing step with between the tank bottom of sliding tray.
In order to better realize the utility model discloses, do further optimization in above-mentioned structure, the sliding seat orientation the one end of fixing base is provided with the screw rod, the tank bottom of sliding tray be provided with the screw hole that the screw rod matches, the sliding seat passes through the screw rod with the cooperation of screw hole with the fixing base is connected.
In order to better realize the utility model discloses, do further optimization in above-mentioned structure, be provided with installing port A and installing port B on the valve body, installing port A with installing port B all with the flowing water passageway intercommunication, the case slides and sets up installing port A department, the seal receptacle sets up installing port B department.
In order to better realize the utility model, the structure is further optimized, a sealing ring A is arranged at the mounting opening A, and the sealing surface of the sealing ring A is tightly attached to the outer side wall of the valve core; and a sealing ring B is arranged on the outer side wall of the sealing seat, and the sealing surface of the sealing ring B is tightly attached to the side wall of the mounting opening B.
In order to better realize the present invention, in the above structure, the sealing surface a is a conical surface.
To sum up, the utility model discloses following technological effect has:
the double-seal water valve forms two seals by matching the seal surface A with the seal surface B and the valve core with the through hole A, the first seal can achieve a certain sealing effect, the scouring damage of a water body to the second seal can be reduced, the second seal can be protected to a certain degree, and therefore the service life of the double-seal water valve is effectively prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 view of a double sealing water valve described in the first embodiment;
fig. 2 is a schematic structural diagram of a sealing seat in a double-sealing water valve described in the first embodiment;
FIG. 3 is a schematic structural diagram of a valve core of a dual-sealing water valve according to a first embodiment;
fig. 4 is a schematic structural view of a valve body in a double-seal water valve of the present invention;
fig. 5 is a schematic structural view of a double sealing water valve described in the second embodiment;
FIG. 6 is a schematic view of a sliding seat of a dual-sealing water valve according to the second embodiment
Fig. 7 is a schematic structural view of a fixing seat in a dual sealing water valve described in the second embodiment;
fig. 8 is a schematic structural view of a dual sealing water valve cartridge described in the second embodiment;
fig. 9 is a schematic structural view of a double sealing water valve described in the third embodiment;
fig. 10 is a schematic structural view of a sliding seat in a double-sealing water valve described in the third embodiment;
fig. 11 is a schematic structural diagram of a fixing seat in a double-sealing water valve described in the third embodiment.
Reference numerals:
1. a valve body; 11. an installation opening A; 12. a mounting opening B; 13. a water flow channel; 14. a sealing ring A;
2. a valve core; 21. a through hole; 22. a sealing surface B; 23. a limiting step;
3. a sealing seat; 31. a sliding seat; 311. a water inlet groove; 312. a through hole A; 313. a screw; 32. a fixed seat; 321. a water outlet groove; 322. a through hole B; 323. a threaded hole; 324. a sealing surface A; 325. a sliding groove; 326. and a sealing ring B.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of 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.
In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
The first embodiment is as follows:
as shown in fig. 1 to 4:
a double-seal water valve, its valve block 1, valve core 2 and seal receptacle 3;
a water flowing channel 13 is arranged in the valve body 1;
the water inlet end of the sealing seat 3 is provided with a water inlet groove 311, the side wall of the sealing seat 3 is provided with a through hole A312 and a through hole B322, the through hole A312 is communicated with the water inlet groove 311, the through hole B322 is communicated with the water outlet end of the sealing seat 3, the water inlet end of the sealing seat 3 is inserted on the valve body 1, the water inlet groove 311, the through hole A312 and the through hole B322 are all positioned in the water flowing channel 13, the through hole A312 is communicated with the through hole B322 through the water flowing channel 13, the sealing seat 3 is provided with a sealing surface A324, and the sealing surface A324 is positioned between the through hole A312 and the through hole B322;
the valve core 2 is provided with a through hole 21, the valve core 2 is arranged on the valve body 1 in a sliding manner, the water outlet end of the valve core 1 is in plug-in fit with the water inlet end of the sealing seat 3, and the water outlet end of the valve core 2 is provided with a sealing surface B22 matched with the sealing surface A324.
When the double-sealing water valve is used, a worker can open or close the double-sealing water valve by adjusting the position of the valve core 2;
specifically, the worker controls the valve core 2 to slide towards the sealing seat 3, so that the valve core 2 is abutted against the sealing seat 3, the sealing surface B22 on the valve core 2 is attached to the sealing surface a324 on the sealing seat 3, at the moment, the side wall of the valve core 2 seals the through hole a312 on the sealing seat 3, so that the matching of the sealing surface a324 and the sealing surface B22 and the matching of the side wall of the valve core 2 and the through hole a312 form a double-sealing structure, wherein the first seal can achieve a certain sealing effect, and the scouring damage of a water body to the second seal can be reduced, so that a certain protection effect is achieved, and the service life of the double-sealing water valve is effectively prolonged;
when the operator controls the valve core 2 to slide in a direction away from the sealing seat 3, so that the water outlet end of the valve core 2 moves to the notch of the water inlet groove 311, at this time, the double-sealing water valve is in an open state, the through hole 21 is communicated with the through hole a312 through the water inlet groove 311, and the water body can flow through the water inlet groove 311, the through hole a312, the water flowing channel 13 and the through hole B322 in sequence from the through hole 21 and flow out to the outside.
Preferably, the water outlet end of the sealing seat 3 is provided with a water outlet groove 321, and the through hole B322 is communicated with the water outlet groove 321.
Preferably, the sealing surface a324 is arranged on the side wall of the water inlet tank 311, and the cross-sectional shape of the valve core 2 is matched with that of the water inlet tank 311;
when the sealing water valve is in a closed state, the sealing surface a324 and the sealing surface B22 are attached to form a first seal, the valve element 2 is inserted into the water inlet groove 311, and the outer side wall of the valve element 2 blocks the through hole 312 to form a second seal.
Preferably, the valve body 1 is provided with a mounting port A11 and a mounting port B12; wherein, the first and the second end of the pipe are connected with each other,
the mounting port A11 and the mounting port B12 are both communicated with the water flowing channel 13, the valve core 2 is arranged at the mounting port A11 in a sliding mode, and the sealing seat 3 is arranged at the mounting port B12.
Preferably, a sealing ring a14 is arranged at the mounting port a11, and a sealing surface of the sealing ring a14 is tightly attached to the outer side wall of the valve core 2, so as to avoid the water body leaking from the gap between the valve body 1 and the valve core 2 to the outside;
the sealing seat 3 is provided with a sealing ring B326, and a sealing surface of the sealing ring B326 is tightly attached to a side wall of the mounting opening B12, so as to prevent the water body from leaking to the outside through a gap between the valve body 1 and the sealing seat 3.
Preferably, the sealing surface a324 is a conical surface, so that the contact area between the sealing surface a324 and the sealing surface B22 is increased, thereby improving the sealing effect of the double-sealing water valve.
Example two:
as shown in fig. 4 to 8:
in another embodiment of the present invention, the sealing surface a324 is disposed on the outer sidewall of the sealing seat 3, and the cross-sectional shape of the through hole 21 matches the cross-sectional shape of the sealing seat 3;
when the sealing water valve is in a closed state, the valve core 2 is sleeved at the water inlet end of the sealing seat 3, the side wall of the through hole 21 blocks the through hole A312 to form a first seal, and the sealing surface A324 is attached to the sealing surface B22 to form a second seal;
the first seal formed by the side wall of the through hole 21 and the through hole A312 can achieve a certain sealing effect, and the flushing damage of a water body to the second seal formed by the sealing surface A324 and the sealing surface B22 can be reduced, so that a certain protection effect is achieved, and the service life of the double-seal water valve is effectively prolonged;
when the operator controls the valve core 2 to slide in a direction away from the sealing seat 3, so that the water outlet end of the valve core 2 moves to the notch of the water inlet channel 311, at this time, the dual-sealing water valve is in an open state, the through hole 21 is communicated with the through hole a312 through the water inlet channel 311, and a water body can flow through the water inlet channel 311, the through hole a312, the water flowing channel 13, the through hole B322 and the water outlet channel 321 in sequence through the through hole 21 and flow out from the water outlet channel 321.
Preferably, the sealing seat 3 comprises a fixed seat 32 and a sliding seat 31; wherein, the first and the second end of the pipe are connected with each other,
the water inlet groove 311 and the through hole A312 are both arranged on the sliding seat 31, the cross section shape of the sliding seat 31 is matched with that of the through hole 21, and the sliding seat 31 is arranged in the through hole 21 in a sliding manner; the water outlet groove 321 and the through hole B322 are both arranged on the fixed seat 32, a sliding groove 325 is arranged at one end of the fixed seat 32 facing the sliding seat 31, and the sealing surface A324 is arranged at the notch of the sliding groove 325;
when the double-sealing water valve is in a closed state, the end part of the valve core 2 is abutted against the fixed seat 32, the sealing surface B22 on the valve core 2 is tightly attached to the sealing surface A324 on the fixed seat 32, and the sliding seat 31 can freely slide in the through hole 21;
when a water body flows through the through hole 21, the sliding seat 31 is abutted in the sliding groove 325 under the action of water pressure, and in the sliding process and the two states of being abutted in the sliding groove 325, the through hole A312 on the sliding seat 31 is always attached to the side wall of the through hole 21, so that the water body cannot flow out from between the valve core 2 and the sealing seat 3, and a good sealing effect is achieved;
when the dual-seal water valve is in an open state, the end of the valve core 2 is separated from the fixed seat 32, and the sliding seat 31 is always abutted to the sliding groove 325 under the action of water pressure until the through hole a312 on the sliding seat 31 is separated from the through hole 21, the water body can sequentially flow through the water inlet groove 311, the through hole a312, the water flowing channel 13, the through hole B322 and the water outlet groove 321 through the through hole 21, and flow out from the water outlet groove 321.
Preferably, the through hole 21 is internally provided with a limit step 23 for limiting the sliding range of the sliding seat 31, and the sliding seat 31 is slidably arranged between the limit step 23 and the bottom of the sliding groove 325, so as to prevent the sliding seat 31 from falling out of the valve core 2, and to stabilize the structure of the double-sealing water valve.
In addition, other structures of the double sealing water valve described in this embodiment are completely the same as those of the double sealing water valve described in the second embodiment, and specific reference may be made to the contents described in the second embodiment, and a description thereof will not be repeated.
Example three:
as shown in fig. 3, 4 and 9 to 11:
as another embodiment of the second embodiment, a screw 313 is disposed at one end of the sliding seat 31 facing the fixed seat 32, a threaded hole 323 matching with the screw 313 is disposed at a bottom of the sliding groove 325, and the sliding seat 31 is connected to the fixed seat 32 by the matching of the screw 313 and the threaded hole 323, so that the structure of the seal seat 3 is more stable.
In addition, other structures of the double sealing water valve described in this embodiment are completely the same as those of the double sealing water valve described in the second embodiment, and specific reference may be made to the contents described in the second embodiment, and a description thereof will not be repeated.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. A double seal water valve, characterized in that: comprises a valve body (1), a valve core (2) and a sealing seat (3);
a water flowing channel (13) is arranged in the valve body (1);
a water inlet groove (311) is formed in the water inlet end of the sealing seat (3), a through hole A (312) and a through hole B (322) are formed in the side wall of the sealing seat (3), the through hole A (312) is communicated with the water inlet groove (311), the through hole B (322) is communicated with the water outlet end of the sealing seat (3), the water inlet end of the sealing seat (3) is inserted into the valve body (1), the water inlet groove (311), the through hole A (312) and the through hole B (322) are all located in the water flowing channel (13), the through hole A (312) is communicated with the through hole B (322) through the water flowing channel (13), a sealing surface A (324) is arranged on the sealing seat (3), and the sealing surface A (324) is located between the through hole A (312) and the through hole B (322);
a through hole (21) is formed in the valve core (2), the valve core (2) is arranged on the valve body (1) in a sliding mode, the water outlet end of the valve core (2) is matched with the water inlet end of the sealing seat (3) in an inserting mode, and a sealing surface B (22) matched with the sealing surface A (324) is arranged at the water outlet end of the valve core (2); when the valve core (2) slides towards the sealing seat (3) until the sealing surface A (324) is jointed with the sealing surface B (22), the side wall of the valve core (2) blocks the through hole A (312), so that the sealing surface A (324) and the sealing surface B (22) as well as the side wall of the valve core (2) and the through hole A (312) form two sealing structures.
2. The dual seal water valve as defined in claim 1 wherein: the sealing surface A (324) is arranged on the side wall of the water inlet groove (311), and the cross section shape of the valve core (2) is matched with that of the water inlet groove (311); when the valve core (2) slides to the direction of the sealing seat (3) until the sealing surface A (324) is attached to the sealing surface B (22), the valve core (2) is inserted into the water inlet groove (311), and the outer side wall of the valve core (2) blocks the through hole A (312).
3. The dual seal water valve as defined in claim 1 wherein: the sealing surface A (324) is arranged on the outer side wall of the sealing seat (3), and the cross section shape of the through hole (21) is matched with that of the sealing seat (3); when the valve core (2) slides to the direction of the sealing seat (3) until the sealing surface A (324) is attached to the sealing surface B (22), the valve core (2) is sleeved on the sealing seat (3), and the side wall of the through hole (21) blocks the through hole A (312).
4. The dual seal water valve according to claim 3 wherein: the sealing seat (3) comprises a fixed seat (32) and a sliding seat (31); the water inlet groove (311) and the through hole A (312) are arranged on the sliding seat (31), and the cross section shape of the sliding seat (31) is matched with that of the through hole (21); the through hole B (322) is arranged on the fixed seat (32), a sliding groove (325) is formed in one end, facing the sliding seat (31), of the fixed seat (32), and the sealing surface A (324) is arranged at a notch of the sliding groove (325).
5. The dual seal water valve as defined in claim 4 wherein: a limiting step (23) for limiting the sliding range of the sliding seat (31) is arranged in the through hole (21), and the sliding seat (31) is arranged between the limiting step (23) and the bottom of the sliding groove (325) in a sliding manner.
6. The dual seal water valve as defined in claim 4 wherein: one end, facing the fixed seat (32), of the sliding seat (31) is provided with a screw rod (313), the groove bottom of the sliding groove (325) is provided with a threaded hole (323) matched with the screw rod (313), and the sliding seat (31) is connected with the fixed seat (32) through matching of the screw rod (313) and the threaded hole (323).
7. The dual seal water valve as claimed in any one of claims 1 to 6 wherein: the valve body (1) is provided with a mounting port A (11) and a mounting port B (12), the mounting port A (11) and the mounting port B (12) are communicated with the water flowing channel (13), the valve core (2) is arranged at the mounting port A (11) in a sliding mode, and the sealing seat (3) is arranged at the mounting port B (12).
8. The dual seal water valve as defined in claim 7 wherein: a sealing ring A (14) is arranged at the mounting port A (11), and a sealing surface of the sealing ring A (14) is tightly attached to the outer side wall of the valve core (2); and a sealing ring B (326) is arranged on the outer side wall of the sealing seat (3), and a sealing surface of the sealing ring B (326) is tightly attached to the side wall of the mounting opening B (12).
9. The dual seal water valve as defined in claim 8 wherein: the sealing surface A (324) is a tapered surface.
CN202221928981.2U 2022-07-25 2022-07-25 Double-sealing water valve Active CN217927232U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221928981.2U CN217927232U (en) 2022-07-25 2022-07-25 Double-sealing water valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221928981.2U CN217927232U (en) 2022-07-25 2022-07-25 Double-sealing water valve

Publications (1)

Publication Number Publication Date
CN217927232U true CN217927232U (en) 2022-11-29

Family

ID=84149788

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221928981.2U Active CN217927232U (en) 2022-07-25 2022-07-25 Double-sealing water valve

Country Status (1)

Country Link
CN (1) CN217927232U (en)

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