CN214699310U - Replaceable valve seat of forced sealing ball valve - Google Patents
Replaceable valve seat of forced sealing ball valve Download PDFInfo
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- CN214699310U CN214699310U CN202121258700.2U CN202121258700U CN214699310U CN 214699310 U CN214699310 U CN 214699310U CN 202121258700 U CN202121258700 U CN 202121258700U CN 214699310 U CN214699310 U CN 214699310U
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- valve seat
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- valve body
- support ring
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Abstract
The utility model discloses a replaceable valve seat of a forced sealing ball valve, which comprises a valve body, a support ring arranged in the valve body and a valve seat; the valve body is clamped in the support ring; the valve body is provided with a groove, a circular clamping ring is arranged on the supporting ring, and the inner side surface of the clamping ring is flush with the inner side surface of the supporting ring; the clamping ring is formed by splicing a fixed clamping ring and at least two movable clamping rings, the fixed clamping ring is connected with the support ring through a bolt, an outer circular arc-shaped clamping ring is arranged on the outer ring of the movable clamping ring, and the outer clamping ring penetrates through the support ring and extends into the groove; the utility model discloses a link to each other through the joint mode between valve body and the lock ring, the lock ring links to each other with the valve body through the joint mode equally moreover, and whole dismantlement process is simple, quick, and labour saving and time saving can carry out online maintenance to the ball valve, has improved maintenance efficiency greatly, has reduced intensity of labour, also saves time and the cost of returning the factory to maintain simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the ball valve technique and specifically relates to a compulsory seal ball valve interchangeable formula disk seat.
Background
The forced sealing ball valve is also called orbit ball valve, and the orbit ball valve and the gate valve belong to a same type of valve, and the difference is that a closing member of the forced sealing ball valve is a ball body, and the ball body rotates around the central line of a valve body to achieve the opening and closing of the valve. Ball valves are used in pipelines primarily to shut off, distribute and change the direction of flow of media. The forced sealing ball valve has the advantages of compact structure, reliable sealing, long service life, rapid action and the like, and is widely applied to various fields in recent years.
The forced sealing ball valve comprises a valve body, wherein a support ring is arranged in the valve body, and a valve seat is arranged in the support ring. The support ring of traditional ball valve links to each other through threaded connection or welding mode between the valve body, in case the support ring breaks down, just needs pull down whole ball valve and returns the factory maintenance, and the dismantlement process is complicated, and intensity of labour is big, wastes time and energy, inefficiency, and the maintenance cost is high, can not realize the online maintenance of ball valve.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a compulsory seal ball valve interchangeable formula disk seat, the quick assembly disassembly of the lock ring of being convenient for can realize the online maintenance of ball valve.
The utility model adopts the technical proposal that: the replaceable valve seat of the forced sealing ball valve comprises a valve body, a support ring and a valve seat, wherein the support ring and the valve seat are arranged in the valve body; the valve seat is clamped in the support ring, and the support ring is clamped in the valve body; the valve body is provided with a groove, a circular clamping ring is arranged on the supporting ring, and the inner side surface of the clamping ring is flush with the inner side surface of the supporting ring; the rand is formed by a fixed snap ring and at least two activity snap rings concatenations, and fixed snap ring passes through the bolt and links to each other with the lock ring, is provided with convex outer snap ring on the outer lane of activity snap ring, and outer snap ring runs through the lock ring and extends to in the recess. The utility model discloses a link to each other through the joint mode between valve body and the lock ring, the rand passes through the joint mode moreover and links to each other with the lock ring, and whole dismantlement process is simple, quick, and labour saving and time saving can carry out online maintenance to the ball valve, has improved maintenance efficiency greatly, has reduced intensity of labour, also saves time and the cost of returning the factory to maintain simultaneously. The method specifically comprises the following steps: the clamping ring is formed by splicing the fixed clamping ring and the movable clamping ring, so that the clamping ring can be conveniently and nondestructively mounted and dismounted; the fixed clamping ring is connected with the support ring through the bolt, so that the falling off of other movable clamping rings can be effectively prevented, and the fixation of the clamping ring and the support ring can be realized. In addition, because outer snap ring runs through the lock ring and extends to the recess, consequently the recess plays limiting displacement to outer snap ring, just also plays synchronous spacing fixed action to collar and lock ring, realizes fixing between lock ring and the valve body.
Furthermore, the bolt is a countersunk bolt which is hidden in the fixed snap ring, so that the bolt is prevented from protruding out of the fixed snap ring to influence the circulation of media in the valve body.
Further, the valve seat is made of elastic materials, a barb for preventing the valve seat from sliding out of the support ring is arranged on the support ring, the barb plays a role in fixing and limiting the valve seat, and the valve seat is prevented from sliding out of the support ring.
Furthermore, the elastic material is nylon, and has the advantages of high mechanical strength, good toughness, higher tensile strength and compressive strength, and the like.
Furthermore, a first O-shaped sealing ring is arranged at the position where the top of the supporting ring is connected with the valve body, so that the sealing effect is achieved.
Furthermore, a second O-shaped sealing ring and a third O-shaped sealing ring are sequentially arranged on the side surface, connected with the valve seat, of the support ring from top to bottom, so that a sealing effect is achieved.
Furthermore, the side face of the support ring connected with the valve seat is provided with a graphite fireproof strip, so that the fireproof effect is achieved, and the fire spread is avoided.
Furthermore, a fourth O-shaped sealing ring is arranged at the top of the supporting ring where the groove is located, and a sealing effect is achieved.
Further, outer snap ring and activity snap ring integrated into one piece guarantee both stability of connecting, stop to use modes such as welding, because the rand is accurate part, the welding can lead to certain deformation, and then influences the installation and the fixed of lock ring.
Furthermore, the number of the movable snap rings is three.
The utility model has the advantages that:
1. the utility model discloses a link to each other through the joint mode between valve body and the lock ring, the rand passes through the joint mode moreover and links to each other with the lock ring, and whole dismantlement process is simple, quick, and labour saving and time saving can carry out online maintenance to the ball valve, has improved maintenance efficiency greatly, has reduced intensity of labour, also saves time and the cost of returning the factory to maintain simultaneously.
2. The utility model discloses be provided with the barb that prevents the disk seat roll-off lock ring on the lock ring, the barb plays fixed and limiting displacement to the disk seat, avoids the disk seat roll-off lock ring.
3. The utility model discloses an outer snap ring and activity snap ring integrated into one piece guarantee the stability of both connections and the precision of part.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a in fig. 1.
Fig. 3 is a schematic structural view of the support ring.
Figure 4 is a schematic view of the collar construction.
Labeled as:
1. a valve body; 2. a support ring; 3. a valve seat; 4. a bolt; 5. a first O-ring seal; 6. a second O-ring seal; 7. a third O-shaped sealing ring; 8. a fourth O-shaped sealing ring; 9. a graphite fire-retardant strip;
101. a groove; 2010. fixing the snap ring; 2011. a movable snap ring; 2012. an outer snap ring.
Detailed Description
In the description of the present invention, it should be noted that the terms "front", "upper", "lower", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be further explained with reference to the accompanying drawings.
Examples
Referring to fig. 1, 2, 3 and 4, the replaceable valve seat of the forced sealing ball valve of the present invention comprises a valve body 1, a support ring 2 and a valve seat 3 arranged in the valve body; the valve seat 3 is clamped in the support ring 2, and the support ring is clamped in the valve body; a groove 101 is formed in the valve body, a circular clamping ring is arranged on the supporting ring, and the inner side surface of the clamping ring is flush with the inner side surface of the supporting ring; the clamping ring is formed by splicing a fixed clamping ring 2010 and three movable clamping rings 2011, the fixed clamping ring 2010 is connected with the support ring 2 through a bolt 4, an outer ring of the movable clamping ring is provided with an outer clamping ring 2012 which is arc-shaped, and the outer clamping ring penetrates through the support ring and extends into the groove 101. The utility model discloses a link to each other through the joint mode between valve body and the lock ring, the rand passes through the joint mode moreover and links to each other with the lock ring, and whole dismantlement process is simple, quick, and labour saving and time saving can carry out online maintenance to the ball valve, has improved maintenance efficiency greatly, has reduced intensity of labour, also saves time and the cost of returning the factory to maintain simultaneously. The method specifically comprises the following steps: the clamping ring is formed by splicing the fixed clamping ring and the movable clamping ring, so that the clamping ring can be conveniently and nondestructively mounted and dismounted; the fixed clamping ring is connected with the support ring through the bolt, so that the falling off of other movable clamping rings can be effectively prevented, and the fixation of the clamping ring and the support ring can be realized. In addition, because outer snap ring runs through the lock ring and extends to the recess, consequently the recess plays limiting displacement to outer snap ring, just also plays synchronous spacing fixed action to collar and lock ring, realizes fixing between lock ring and the valve body.
Referring to fig. 3, the bolt 4 of this embodiment is a countersunk bolt, and the countersunk bolt is hidden in the fixing snap ring, so as to prevent the bolt from protruding out of the fixing snap ring to affect the circulation of the medium in the valve body.
The valve seat 3 of this embodiment is made by elastic material, is provided with the barb (not shown in the figure) that prevents the valve seat roll-off lock ring on the lock ring, and the barb plays fixed and limiting displacement to the valve seat, avoids the valve seat roll-off lock ring.
The elastic material is nylon and has the advantages of high mechanical strength, good toughness, high tensile strength, high compressive strength and the like.
Referring to fig. 2, in the present embodiment, a first O-ring 5 is disposed at a position where the top of the support ring is connected to the valve body; a second O-shaped sealing ring 6 and a third O-shaped sealing ring 7 are sequentially arranged on the side surface of the support ring connected with the valve seat from top to bottom; the side surface of the support ring connected with the valve seat is provided with a graphite fireproof strip 9; and a fourth O-shaped sealing ring 8 is arranged at the top of the supporting ring where the groove is located.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The replaceable valve seat of the forced sealing ball valve comprises a valve body (1), a support ring (2) arranged in the valve body and a valve seat (3); the valve is characterized in that the valve seat (3) is clamped in the support ring (2), and the support ring is clamped in the valve body;
a groove (101) is formed in the valve body, a circular clamping ring is arranged on the supporting ring, and the inner side surface of the clamping ring is flush with the inner side surface of the supporting ring; the clamping ring is formed by splicing a fixed clamping ring (2010) and at least two movable clamping rings (2011), the fixed clamping ring (2010) is connected with the support ring (2) through a bolt (4), an outer circle of each movable clamping ring is provided with an outer clamping ring (2012) in a circular arc shape, and the outer clamping ring penetrates through the support ring and extends into the groove (101).
2. Replaceable valve seat for a positive-sealing ball valve according to claim 1, characterized in that the bolt (4) is a countersunk bolt.
3. A replaceable valve seat for a positive-sealing ball valve according to claim 1, characterized in that the valve seat (3) is made of an elastic material and that the support ring is provided with barbs preventing the valve seat from sliding out of the support ring.
4. A replaceable valve seat for a positive seal ball valve according to claim 3 wherein said resilient material is nylon.
5. A replaceable valve seat for a positive seal ball valve according to claim 1, wherein the top of the support ring is provided with a first O-ring seal (5) at the location where it is attached to the valve body.
6. The replaceable valve seat of a forced sealing ball valve according to claim 1, wherein the side of the support ring connected with the valve seat is provided with a second O-ring (6) and a third O-ring (7) from top to bottom.
7. A replaceable valve seat for a positive seal ball valve according to claim 1, wherein the side of the support ring that is connected to the valve seat is provided with a graphite fire strip (9).
8. A replaceable valve seat for a positive seal ball valve according to claim 1 wherein the groove is provided with a fourth O-ring seal (8) on top of the support ring.
9. The replaceable valve seat for a positive seal ball valve according to claim 1 wherein the outer snap ring (2012) is integrally formed with the removable snap ring (2011).
10. A replaceable valve seat for a positive seal ball valve according to claim 1 wherein there are three said snap rings (2011).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121258700.2U CN214699310U (en) | 2021-06-07 | 2021-06-07 | Replaceable valve seat of forced sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121258700.2U CN214699310U (en) | 2021-06-07 | 2021-06-07 | Replaceable valve seat of forced sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214699310U true CN214699310U (en) | 2021-11-12 |
Family
ID=78555200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121258700.2U Active CN214699310U (en) | 2021-06-07 | 2021-06-07 | Replaceable valve seat of forced sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214699310U (en) |
-
2021
- 2021-06-07 CN CN202121258700.2U patent/CN214699310U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lan Zhenghui Inventor after: Zhao Shangxin Inventor after: Zhao Xinyang Inventor after: Liu Jia Inventor after: Zhang Zheng Inventor before: Lan Zhenghui Inventor before: Liu Jia Inventor before: Zhang Zheng |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220318 Address after: 065000 room 916-918, Xinya building, No. 106, No. 1 road, economic and Technological Development Zone, Langfang City, Hebei Province Patentee after: Construction Project Management Branch of China National Petroleum Pipeline Network Group Co.,Ltd. Patentee after: Zigong Zigao Valve Co., Ltd Address before: 643000 No. 29, Jinchuan Road, high tech Industrial Park, Zigong, Sichuan Patentee before: ZIGONG ZIGAO VALVE Co.,Ltd. |
|
| TR01 | Transfer of patent right |