CN218935431U - Double-seal cartridge valve - Google Patents

Double-seal cartridge valve Download PDF

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Publication number
CN218935431U
CN218935431U CN202223145846.3U CN202223145846U CN218935431U CN 218935431 U CN218935431 U CN 218935431U CN 202223145846 U CN202223145846 U CN 202223145846U CN 218935431 U CN218935431 U CN 218935431U
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CN
China
Prior art keywords
ring
sealing
valve
positioning
valve body
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Active
Application number
CN202223145846.3U
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Chinese (zh)
Inventor
徐志驰
符涛
王标
李亮
蔡伟
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Hefei Qiaochu Hydraulic Technology Co ltd
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Hefei Qiaochu Hydraulic Technology Co ltd
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Priority to CN202223145846.3U priority Critical patent/CN218935431U/en
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Publication of CN218935431U publication Critical patent/CN218935431U/en
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Abstract

The utility model relates to the technical field of cartridge valves, in particular to a double-seal cartridge valve which comprises a valve body, wherein a valve core is arranged on the valve body, and a sealing assembly is arranged on the valve core; the sealing assembly comprises a positioning seat, a transmission collar and a movable ring, the connecting tightness between the valve cores can be high through the sealing assembly, and when the valve body and the valve sleeve are rotationally connected, the movable ring part and the static ring part arranged in the sealing assembly can realize a relative sealing state, so that the switching sealing effect between the valve sleeve and the valve core is good, and the overall use effect is good; the sealing ring can enable the transfer sealing effect between the bearing seat and the positioning seat to be good, meanwhile, the transfer sealing effect between the valve body and the valve sleeve is good, double sealing between the cartridge valves can be achieved under the action of the sealing ring and the sealing component, and the use effect of the cartridge valves is good.

Description

Double-seal cartridge valve
Technical Field
The utility model relates to the technical field of cartridge valves, in particular to a double-seal cartridge valve.
Background
Cartridge valves generally consist of a valve core, a valve sleeve, a spring and a sealing ring. The directional valve assembly, the pressure valve assembly and the flow valve assembly are classified according to the use.
As represented by the comparison document relating to a double seal cartridge valve (publication number CN 216643236U), the patent art discloses a valve comprising: a valve body 1, a valve sleeve 2 and a valve core 3; one end of the valve sleeve 2 is inserted into the end part of the valve body 1, and the valve core 3 is arranged inside the valve sleeve 2; the valve sleeve 2 is connected with the valve body 1 through a connecting piece, and the connecting piece can lock the relative position of the valve sleeve 2 and the valve body 1; the outer wall of the valve sleeve 2 is fixedly sleeved with a first sealing ring 6, the outer diameter of the first sealing ring 6 is larger than the inner diameter of the valve body 1, the inner wall of the valve body 1 is fixedly provided with a second sealing ring 9, and the inner diameter of the second sealing ring 9 is larger than the outer diameter of the end part of the valve sleeve 2; when the first sealing ring 6 is abutted against the end wall of the valve body 1, the end wall of the valve sleeve 2 is abutted against the second sealing ring 9, and in the connection completion state, the first sealing ring on the valve sleeve is abutted against the end wall of the valve body to form a first heavy sealing contact, and the end wall of the valve sleeve is abutted against the second sealing ring in the valve body to form a second heavy sealing contact; therefore, in the connecting structure, two seals are arranged between the valve sleeve and the valve body, so that the sealing effect between the valve sleeve and the valve body is improved, but the structure of the connecting structure is required to be perfected at any place, and the connecting structure is specifically as follows:
in the scheme, the valve body and the valve sleeve are in sealing connection by adopting the first sealing ring and the second sealing ring, but the valve body and the valve sleeve are in sealing connection by adopting a pressure mode, so that the leakage easily occurs after the valve is used for a period of time, different cavities can be isolated between the valve sleeve and the valve body better, and the switching seal between the valve sleeve and the valve body is realized.
Disclosure of Invention
In order to better isolate the valve sleeve and the valve body into different cavities and realize the transfer seal between the valve sleeve and the valve body, the utility model provides a double-seal cartridge valve to solve the problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the double-seal cartridge valve comprises a valve body, wherein a valve core is arranged on the valve body, and a sealing assembly is arranged on the valve core;
the sealing assembly comprises a positioning seat, a transmission collar and a movable ring, wherein the front side of the positioning seat is sleeved with a pushing spring, a positioning groove is correspondingly formed in the left side and the right side of the transmission collar, a thrust ring is arranged on the rear side of the inside of the transmission collar, a movable ring sealing ring is arranged in the front side of the movable ring, a bearing sealing plate is arranged on the rear side of the movable ring, a static ring is arranged on the front side of the pushing spring, and a static ring sealing ring is arranged on the rear side of the inside of the static ring.
As a preferable scheme of the utility model, a bearing seat is arranged at one end of the valve body, which is close to the valve core, a adapting thread is arranged at the rear end of the outer wall of the bearing seat, and a sealing ring is arranged at the front end of the bearing seat.
As a preferable scheme of the utility model, the bearing seat is arranged in a stepped cylindrical structure, the positioning seat is correspondingly sleeved with the front side of the bearing seat, and the rear side of the positioning seat is correspondingly provided with the switching cavity with the sealing ring.
As a preferable scheme of the utility model, the cross section of the positioning seat is in a T-shaped structure.
As a preferable scheme of the utility model, the front side cavity of the moving ring is matched with the transmission shaft collar, and positioning screw holes are correspondingly formed on two sides of the moving ring and the positioning groove.
As a preferable scheme of the utility model, the bearing sealing plate, the static ring and the static ring sealing ring are sequentially sleeved on the positioning seat for installation and positioning.
According to the utility model, the sealing assembly is used for enabling the connection tightness between the valve core and the valve sleeve to be high, and when the valve body and the valve sleeve are rotationally connected, the movable ring part and the static ring part arranged in the sealing assembly can realize a relative sealing state, so that the switching sealing effect between the valve sleeve and the valve core is good, and the overall use effect is good; the sealing ring can enable the transfer sealing effect between the bearing seat and the positioning seat to be good, meanwhile, the transfer sealing effect between the valve body and the valve sleeve is good, double sealing between the cartridge valves can be achieved under the action of the sealing ring and the sealing component, and the use effect of the cartridge valves is good.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a portion of the structure of the present utility model;
FIG. 3 is a schematic view of an exploded view of the seal assembly of the present utility model.
In the figure: 1. a valve body; 101. a valve core; 102. a socket; 103. a transfer thread; 104. a seal ring; 2. a seal assembly; 201. a positioning seat; 202. a drive collar; 203. a moving ring; 204. a pushing spring; 205. a positioning groove; 206. a thrust collar; 207. a moving ring seal ring; 208. receiving a sealing plate; 209. a stationary ring; 210. a stationary ring seal ring; 211. positioning screw holes.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
Examples: referring to fig. 1-3, a dual-seal cartridge valve includes a valve body 1, a valve core 101 is disposed on the valve body 1, and a seal assembly 2 is disposed on the valve core 101;
the sealing assembly 2 comprises a positioning seat 201, a transmission collar 202 and a movable ring 203, wherein a pushing spring 204 is sleeved on the front side of the positioning seat 201, a positioning groove 205 is correspondingly formed in the left side and the right side of the transmission collar 202, a thrust ring 206 is arranged on the rear side inside the transmission collar 202, a movable ring sealing ring 207 is arranged inside the front side of the movable ring 203, a bearing sealing plate 208 is arranged on the rear side of the movable ring 203, a static ring 209 is arranged on the front side of the pushing spring 204, and a static ring sealing ring 210 is arranged on the rear side inside the static ring 209.
The sealing assembly 2 can enable the connection tightness between the valve core 101 and the valve sleeve to be high, and when the valve body 1 and the valve sleeve are rotationally connected, the movable ring 203 part and the static ring 209 part arranged in the sealing assembly 2 can achieve a relative sealing state, so that the transfer sealing effect between the valve sleeve and the valve core 101 is good, and the overall use effect is good;
the cross section of the positioning seat 201 is in a T-shaped structure, the front cavity of the movable ring 203 is matched with the transmission collar 202, positioning screw holes 211 are correspondingly formed in two sides of the movable ring 203 and the positioning groove 205, the bearing sealing plate 208, the static ring 209 and the static ring sealing ring 210 are sequentially sleeved on the positioning seat 201 for installation and positioning, the bearing positioning stability of the pushing spring 204, the bearing sealing plate 208, the static ring 209 and the static ring sealing ring 210 is high through the positioning seat 201, and the transfer positioning stability between the transmission collar 202 and the movable ring 203 is high through the positioning screw holes 211 by adopting fixing screws, so that the installation positioning effect of each part of the sealing assembly 2 is good, and the use effect of the sealing assembly 2 in sealing is good.
In this embodiment, referring specifically to fig. 1 and 2, a receiving seat 102 is provided at one end of the valve body 1 near the valve core 101, a adapting thread 103 is provided at the rear end of the outer wall of the receiving seat 102, and a sealing ring 104 is provided at the front end of the receiving seat 102.
Through sealing ring 104 can make the switching between seat 102 and the positioning seat 201 sealed effectual, can make simultaneously the switching between valve body 1 and the valve barrel sealed effectual, under sealing ring 104 and seal assembly 2's effect, can realize the dual seal between the cartridge valve, make the result of use of cartridge valve good.
Wherein the socket 102 adopts the setting of echelonment cylinder structure, and the locating seat 201 corresponds with the front side of socket 102 and cup joints, and the rear side of locating seat 201 corresponds with sealing ring 104 and is provided with the switching chamber, can make the spacing effectual of installation of sealing ring 104 through socket 102, can make the switching between locating seat 201 and the socket 102 fix a position sealed effectual simultaneously.
When the double-seal cartridge valve is used, the positioning seat 201 is used for realizing the installation and positioning of the bearing sealing plate 208, the static ring 209 and the static ring sealing ring 210, after the transmission collar 202, the thrust ring 206, the movable ring 203 and the movable ring sealing ring 207 are relatively connected, the assembly of the movable ring 203 is realized, positioning screw holes 211 are correspondingly formed on two sides of the movable ring 203 and the positioning groove 205, the positioning switching between the transmission collar 202 and the movable ring 203 can be realized, the switching between the transmission collar 202, the movable ring 203 and the valve core 101 can be realized by adopting a transmission screw, the following operation between the movable ring 203 and the valve core 101 can be realized, the positioning seat 201 is used for realizing the positioning of the bearing sealing plate 208, the static ring 209 and the static ring sealing ring 210, the sealing switching between the static ring 209 and the movable ring 203 is realized under the action of the pushing spring 204, the sealing performance of the valve body 1 is high when the valve core 101 is connected with the valve sleeve 101, and the static ring 209 and the valve sleeve 101 are relatively sealed after the connection is completed, and the switching sealing effect between the valve sleeve 101 and the valve sleeve is good; the sealing assembly 2 can enable the connection tightness between the valve core 101 and the valve sleeve to be high, and when the valve body 1 and the valve sleeve are rotationally connected, the movable ring 203 part and the static ring 209 part arranged in the sealing assembly 2 can achieve a relative sealing state, so that the transfer sealing effect between the valve sleeve and the valve core 101 is good, and the overall use effect is good; through sealing ring 104 can make the switching between seat 102 and the positioning seat 201 sealed effectual, can make simultaneously the switching between valve body 1 and the valve barrel sealed effectual, under sealing ring 104 and seal assembly 2's effect, can realize the dual seal between the cartridge valve, make the result of use of cartridge valve good.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a double containment cartridge valve, includes valve body (1), its characterized in that: a valve core (101) is arranged on the valve body (1), and a sealing assembly (2) is arranged on the valve core (101);
seal assembly (2) are including positioning seat (201), drive shaft collar (202) and rotating ring (203), push spring (204) have been cup jointed to the front side of positioning seat (201), corresponding constant head tank (205) have been seted up about the front side of drive shaft collar (202), the inside rear side of drive shaft collar (202) is provided with thrust ring (206), the inside rotating ring sealing washer (207) that is provided with of front side of rotating ring (203), the rear side of rotating ring (203) is provided with accepts closing plate (208), the front side of push spring (204) is provided with quiet ring (209), the inside rear side of quiet ring (209) is provided with quiet ring sealing washer (210).
2. A dual seal cartridge valve as defined in claim 1, wherein: one end of the valve body (1) close to the valve core (101) is provided with a bearing seat (102), the rear end of the outer wall of the bearing seat (102) is provided with a switching thread (103), and the front end of the bearing seat (102) is provided with a sealing ring (104).
3. A dual seal cartridge valve as defined in claim 2, wherein: the bearing seat (102) is arranged in a stepped cylindrical structure, the positioning seat (201) is correspondingly sleeved with the front side of the bearing seat (102), and a switching cavity is correspondingly arranged on the rear side of the positioning seat (201) and the sealing ring (104).
4. A dual seal cartridge valve as defined in claim 1, wherein: the cross section of the positioning seat (201) is in a T-shaped structure.
5. A dual seal cartridge valve as defined in claim 1, wherein: the front cavity of the moving ring (203) is matched with the transmission collar (202), and positioning screw holes (211) are formed in the two sides of the moving ring (203) corresponding to the positioning grooves (205).
6. A dual seal cartridge valve as defined in claim 1, wherein: the bearing sealing plate (208), the static ring (209) and the static ring sealing ring (210) are sequentially sleeved on the positioning seat (201) for installation and positioning.
CN202223145846.3U 2022-11-26 2022-11-26 Double-seal cartridge valve Active CN218935431U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223145846.3U CN218935431U (en) 2022-11-26 2022-11-26 Double-seal cartridge valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223145846.3U CN218935431U (en) 2022-11-26 2022-11-26 Double-seal cartridge valve

Publications (1)

Publication Number Publication Date
CN218935431U true CN218935431U (en) 2023-04-28

Family

ID=86084612

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223145846.3U Active CN218935431U (en) 2022-11-26 2022-11-26 Double-seal cartridge valve

Country Status (1)

Country Link
CN (1) CN218935431U (en)

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