CN217056413U - Ball valve with stably-installed valve element - Google Patents
Ball valve with stably-installed valve element Download PDFInfo
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- CN217056413U CN217056413U CN202220644283.3U CN202220644283U CN217056413U CN 217056413 U CN217056413 U CN 217056413U CN 202220644283 U CN202220644283 U CN 202220644283U CN 217056413 U CN217056413 U CN 217056413U
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Abstract
The utility model relates to a ball valve that case installation is stable, which comprises a valve body, case and valve rod, the valve body includes the well body and controls the body, the case sets up internally in, the valve rod rotates to be installed in well body, and with case fixed connection, the body is provided with the disk seat about each, the internal upside that lies in the case in well is provided with the top board, the internal downside that lies in the case in well is provided with down the locating plate, be provided with thrust bearing between top board and the case, be provided with down thrust bearing between bottom board and the case, the top board left and right sides is provided with the location inserted block respectively, the body is provided with the last positioning slot that the last location inserted block that supplies the correspondence wears to establish about each, the bottom board left and right sides is provided with down the location inserted block respectively, the body is provided with the lower positioning slot that the lower location inserted block that supplies the correspondence wears to establish about each. Adopt above-mentioned scheme, provide one kind and realize the vertical stable location of case through top board and lower locating plate to guarantee the stable ball valve of case installation of the sealed homogeneity of case and disk seat.
Description
Technical Field
The utility model relates to a ball valve that case installation is stable.
Background
Ball valves, valves in which the spool is driven by the valve stem and rotates around the axis of the ball valve, can also be used for fluid regulation and control. The valve should be generally installed horizontally in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves.
The existing ball valve has the problems that: the valve core is arranged in the middle body of the valve body, the left side and the right side of the valve core are clamped through the left body and the right body, the valve core is sealed with the valve seat on the left body and the right body, however, the valve core is dislocated downwards under the action of self gravity, so that the sealing strength of the valve core and the lower half part of the valve seat is higher, the sealing strength of the valve core and the upper half part of the valve seat is poorer, and the sealing stress is uneven and is easy to find leakage.
Therefore, how to ensure the installation stability of the valve element to ensure the sealing uniformity between the valve seat and the valve element, thereby achieving the effectiveness of sealing, is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide a realize the vertical stable location of case through top board and bottom plate to guarantee the stable ball valve of case installation of the sealed homogeneity of case and disk seat.
In order to achieve the above purpose, the utility model provides a following technical scheme: including valve body, case and valve rod, the valve body includes well body and is located the body about the body left and right sides, the case sets up internally in, the valve rod rotates to be installed in well body, and with case fixed connection, each about the body is provided with the disk seat that offsets with the case towards well side of the body, its characterized in that: the upper positioning plate is arranged on the upper side of the valve core in the middle body, the lower positioning plate is arranged on the lower side of the valve core in the middle body, an upper thrust bearing is arranged between the upper positioning plate and the valve core, a lower thrust bearing is arranged between the lower positioning plate and the valve core, upper positioning insertion blocks are respectively arranged on the left side and the right side of the upper positioning plate, upper positioning insertion grooves for the corresponding upper positioning insertion blocks to penetrate through are formed in each left body and the right body, lower positioning insertion blocks are respectively arranged on the left side and the right side of the lower positioning plate, and lower positioning insertion grooves for the corresponding lower positioning insertion blocks to penetrate through are formed in each left body and the right body.
The utility model discloses further set up to: each go up the location inserted block upside and be provided with first direction inclined plane, each first direction inclined plane is followed the corresponding body of controlling and is followed vertical tilt up gradually towards the midbody direction, each upward be provided with the first cooperation inclined plane with the laminating of first direction inclined plane in the positioning slot, each down location inserted block downside is provided with the second direction inclined plane, each second direction inclined plane is followed the corresponding body of controlling and is followed vertical tilt down gradually towards the midbody direction, each down be provided with the second cooperation inclined plane with the laminating of second direction inclined plane in the positioning slot.
The utility model discloses further set up to: each of the left body and the right body is provided with a mounting insert ring protruding towards the direction of the middle body, and each of the middle bodies is provided with a mounting slot for the corresponding mounting insert ring to insert into corresponding mounting insert ring.
The utility model discloses further set up to: the mounting screw rods penetrate through the left and right bodies and the middle body respectively along the axial direction of the mounting screw rods, and mounting nuts are arranged on the side, away from the middle body, of the left and right bodies of each mounting screw rod.
The utility model discloses further set up to: and a protection spring used for jacking the valve core upwards is compressed between the middle body and the valve core.
The utility model discloses further set up to: still including the dismouting piece and prevent changeing the lid, dismouting piece demountable installation is in the midbody, the mounting groove that supplies protection spring installation is seted up to dismouting piece upper end, prevent changeing the lid and set up between protection spring and case, the periphery protrusion that the dismouting piece upper end is located protection spring is provided with the guide ring, the periphery of guide ring is squarely, prevent changeing the lid and be provided with the cooperation ring that the guide ring periphery was located to the cover.
The utility model discloses further set up to: the middle body is positioned at the lower end of the valve core and is vertically provided with an installation perforation in a penetrating mode, the dismounting part is inserted into the installation perforation, the dismounting part is positioned below the installation perforation and is provided with a positioning part which is abutted to the middle body, and the positioning part is connected with the middle body through a bolt.
The utility model discloses further set up to: each left body and each right body are respectively provided with a grease injection valve and a sealing spring, each grease injection valve is mounted on the corresponding left body and the right body in a sliding mode along the left-right direction, each valve seat is arranged on the side, facing the valve core, of the grease injection valve, and each sealing spring is arranged on the side, facing away from the valve core, of the grease injection valve in a compression mode.
By adopting the technical scheme, 1, the upper positioning plate and the lower positioning plate can effectively limit the upper part and the lower part of the valve core, so that the vertical installation stability of the valve core is ensured, the matching of the valve core and each valve seat is more effective, and the uniformity of sealing is realized; 2. the upper thrust bearing and the lower thrust bearing ensure that the valve core can smoothly rotate while limiting up and down; 3. the cooperation of going up location inserted block and last positioning slot realizes going up the locating plate and controlling the installation of body, and the cooperation of lower location inserted block and lower positioning slot realizes down the locating plate and controls the installation of body, realizes convenient dismouting.
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 cross-sectional view of an embodiment of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is an enlarged view of B in FIG. 1;
FIG. 4 is an enlarged view of C in FIG. 1;
FIG. 5 is an enlarged view of D in FIG. 1;
FIG. 6 is an enlarged view of a portion of FIG. 1;
fig. 7 is an enlarged view of E in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 without creative work belong to the protection scope of the present invention.
As shown in fig. 1-7, the utility model discloses a ball valve with a stably installed valve core 2, comprising a valve body, a valve core 2 and a valve rod 3, wherein the valve body comprises a middle body 11 and a left and a right bodies 12 positioned at the left and the right sides of the middle body 11, the valve core 2 is arranged in the middle body 11, the valve rod 3 is rotatably installed in the middle body 11 and is fixedly connected with the valve core 2, each of the left and the right bodies 12 is provided with a valve seat 41 abutting against the valve core 2 towards the side of the middle body 11, an upper positioning plate 5 is arranged at the upper side of the valve core 2 in the middle body 11, a lower positioning plate 6 is arranged at the lower side of the valve core 2 in the middle body 11, an upper thrust bearing 51 is arranged between the upper positioning plate 5 and the valve core 2, a lower thrust bearing 61 is arranged between the lower positioning plate 6 and the valve core 2, upper positioning inserts 52 are respectively arranged at the left and the right sides of the upper positioning plate 5, each of the left and the right bodies 12 is provided with an upper positioning slot 121 for the corresponding upper positioning insert 52 to penetrate through, the left and right sides of the lower positioning plate 6 are respectively provided with a lower positioning insertion block 62, and each of the left and right bodies 12 is provided with a lower positioning insertion slot 122 for the corresponding lower positioning insertion block 62 to penetrate through.
Therefore, 1, the upper positioning plate 5 and the lower positioning plate 6 can effectively limit the upper part and the lower part of the valve core 2, so that the stability of vertical installation of the valve core 2 is ensured, the matching of the valve core 2 and each valve seat 41 is more effective, and the uniformity of sealing is realized; 2. the upper thrust bearing 51 and the lower thrust bearing 61 ensure that the valve core 2 can rotate smoothly while limiting up and down; 3. the upper positioning insertion block 52 is matched with the upper positioning insertion slot 121 to realize the installation of the upper positioning plate 5 and the left and right bodies 12, and the lower positioning insertion block 62 is matched with the lower positioning insertion slot 122 to realize the installation of the lower positioning plate 6 and the left and right bodies 12, so that the convenient disassembly and assembly are realized.
In addition, in the present embodiment, a first guiding inclined surface 53 is disposed on an upper side of each upper positioning insertion block 52, each first guiding inclined surface 53 is gradually inclined upwards along the direction of the corresponding left and right bodies 12 toward the middle body 11 along the vertical direction, a first matching inclined surface 123 matching with the first guiding inclined surface 53 is disposed in each upper positioning insertion groove 121, a second guiding inclined surface 63 is disposed on a lower side of each lower positioning insertion block 62, each second guiding inclined surface 63 is gradually inclined downwards along the direction of the corresponding left and right bodies 12 toward the middle body 11 along the vertical direction, and a second matching inclined surface 124 matching with the second guiding inclined surface 63 is disposed in each lower positioning insertion groove 122, so that when the left and right bodies 12 are mounted close to the middle body 11, the upper positioning plate 5 faces downwards through the first guiding inclined surface 53 and the first matching inclined surface 123 to effectively press the upper thrust bearing 51 on the valve core 2, and similarly, the lower thrust bearing 61 faces upwards through the second guiding inclined surface 63 and the second matching inclined surface 124 to effectively press the lower thrust bearing 61 on the positioning plate 2 In the valve core 2, the clearance between each part is eliminated, and the effective installation of the upper positioning plate 5, the lower positioning plate 6, the upper thrust bearing 51, the lower thrust bearing 61 and the valve core 2 is ensured.
In addition, each of the left and right bodies 12 in this embodiment is provided with an installation insertion ring 125 protruding toward the middle body 11, each of the middle bodies 11 is provided with an installation insertion slot 111 corresponding to each installation insertion ring 125, and the corresponding installation insertion ring 125 is inserted into the installation insertion slot 111, so that the left and right bodies 12 and the middle body 11 are limited in the vertical left and right directions by the cooperation of the installation insertion ring 125 and the installation insertion slot 111, the fitting installation of the upper positioning plate 5, the lower positioning plate 6 and the left and right bodies 12 is more accurate, and the stability of installation and use is improved.
In addition, the present embodiment further includes a plurality of mounting screws 13, an axial direction of each of the mounting screws 13 is along a left-right direction, each of the mounting screws 13 respectively penetrates through each of the left and right bodies 12 and the middle body 11, and each of the mounting screws 13 is located at a side of each of the left and right bodies 12 away from the middle body 11 and is provided with a mounting nut 14, so that the left and right bodies 12 are mounted on the middle body 11 with high strength through cooperation of the mounting screws 13 and the mounting nuts 14.
In addition, a protection spring 71 for jacking the valve core 2 upwards is arranged between the middle body 11 and the valve core 2 in a compression manner in the embodiment, so that under the action of the protection spring 71, the stress of the lower thrust bearing 61 is reduced, and the lower thrust bearing 61 is protected.
The anti-rotation valve further comprises a detachable part 72 and an anti-rotation cover 73, wherein the detachable part 72 is detachably mounted on the middle body 11, an installation groove 721 for installing the protection spring 71 is formed in the upper end of the detachable part 72, the anti-rotation cover 73 is arranged between the protection spring 71 and the valve core 2, a guide ring 722 is convexly arranged on the outer periphery of the protection spring 71 at the upper end of the detachable part 72, the outer periphery of the guide ring 722 is square, and the anti-rotation cover 73 is provided with a matching ring 731 which is sleeved on the outer periphery of the guide ring 722, so that the protection spring 71 is mounted between the detachable part 72 and the anti-rotation cover 73, when stable installation is achieved, due to the matching of the guide ring 722 and the matching ring 731, it can be ensured that the protection spring 71 cannot be subjected to torque in the rotation process of the valve core 2, and the protection spring 71 can be stably used.
Preferably, in this embodiment, an installation through hole 112 is vertically formed in the lower end of the valve core 2 of the middle body 11, the detachable part 72 is inserted into the installation through hole 112, a positioning part 723 which abuts against the middle body 11 is disposed below the installation through hole 112 of the detachable part 72, and the positioning part 723 is connected to the middle body 11 by a bolt, so that the detachable part 72 can be detached through the installation through hole 112 without detaching the left and right bodies 12, and thus the detachable part 72, the anti-rotation cover 73, and the protection spring 71 are maintained and replaced.
Preferably, each of the left and right bodies 12 in this embodiment is provided with a grease injection valve 42 and a sealing spring 43, each grease injection valve 42 is slidably mounted on the corresponding left and right bodies 12 in the left and right directions, each valve seat 41 is disposed on the side of the grease injection valve 42 facing the valve element 2, and each sealing spring 43 is disposed on the side of the grease injection valve 42 facing away from the valve element 2 in a compressed manner, so that the left and right bodies 12 adjusted in the left and right directions are adapted to each other under the action of a tightening spring to ensure the effectiveness of sealing, and the grease injection valve 42 can add lubricating oil to ensure the smoothness of sealing.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a ball valve that case installation is stable, includes valve body, case and valve rod, the valve body includes well body and is located the body about the body left and right sides of well body, the case sets up in well internal, the valve rod rotates to be installed in well body, and with case fixed connection, each about the body orientation in the body side be provided with the disk seat that the case offseted, its characterized in that: the upper positioning plate is arranged on the upper side of the valve core in the middle body, the lower positioning plate is arranged on the lower side of the valve core in the middle body, an upper thrust bearing is arranged between the upper positioning plate and the valve core, a lower thrust bearing is arranged between the lower positioning plate and the valve core, upper positioning insertion blocks are respectively arranged on the left side and the right side of the upper positioning plate, upper positioning insertion grooves for the corresponding upper positioning insertion blocks to penetrate through are formed in each left body and the right body, lower positioning insertion blocks are respectively arranged on the left side and the right side of the lower positioning plate, and lower positioning insertion grooves for the corresponding lower positioning insertion blocks to penetrate through are formed in each left body and the right body.
2. The valve cartridge installation stable ball valve of claim 1, wherein: each go up the location inserted block upside and be provided with first direction inclined plane, each first direction inclined plane is followed the corresponding body of controlling and is followed vertical tilt up gradually towards the midbody direction, each upward be provided with the first cooperation inclined plane with the laminating of first direction inclined plane in the positioning slot, each down location inserted block downside is provided with the second direction inclined plane, each second direction inclined plane is followed the corresponding body of controlling and is followed vertical tilt down gradually towards the midbody direction, each down be provided with the second cooperation inclined plane with the laminating of second direction inclined plane in the positioning slot.
3. The valve cartridge installation stable ball valve of claim 2, wherein: each of the left body and the right body is provided with an installation inserting ring protruding towards the direction of the middle body, and each of the middle bodies is provided with an installation slot for the corresponding installation inserting ring to be inserted into corresponding to each installation inserting ring.
4. The valve cartridge installation stable ball valve of claim 3, wherein: the mounting screw rods penetrate through the left body, the right body and the middle body respectively along the axial direction of the mounting screw rods, and mounting nuts are arranged on the side, away from the middle body, of the left body and the right body respectively.
5. The valve cartridge installation stable ball valve of claim 1, wherein: and a protection spring used for jacking the valve core upwards is compressed between the middle body and the valve core.
6. The valve cartridge installation stable ball valve of claim 5, wherein: still include the dismouting piece and prevent changeing the lid, dismouting piece demountable installation is in the midbody, the mounting groove that supplies the protection spring installation is seted up to dismouting piece upper end, prevent changeing the lid and set up between protection spring and case, the periphery protrusion that the dismouting piece upper end is located protection spring is provided with the guide ring, the periphery of guide ring is squarely, prevent changeing the lid and be provided with the cooperation ring that the guide ring periphery was located to the cover.
7. The valve cartridge installation stable ball valve of claim 6, wherein: the middle body is positioned at the lower end of the valve core and is vertically provided with an installation perforation in a penetrating mode, the dismounting part is inserted into the installation perforation, the dismounting part is positioned below the installation perforation and is provided with a positioning part which is abutted to the middle body, and the positioning part is connected with the middle body through a bolt.
8. A cartridge-mounted stabilized ball valve according to claim 1 or 2, wherein: each left body and each right body are respectively provided with a grease injection valve and a sealing spring, each grease injection valve is mounted on the corresponding left body and the right body in a sliding mode along the left-right direction, each valve seat is arranged on the side, facing the valve core, of the grease injection valve, and each sealing spring is arranged on the side, facing away from the valve core, of the grease injection valve in a compression mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220644283.3U CN217056413U (en) | 2022-03-22 | 2022-03-22 | Ball valve with stably-installed valve element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220644283.3U CN217056413U (en) | 2022-03-22 | 2022-03-22 | Ball valve with stably-installed valve element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217056413U true CN217056413U (en) | 2022-07-26 |
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ID=82490589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220644283.3U Active CN217056413U (en) | 2022-03-22 | 2022-03-22 | Ball valve with stably-installed valve element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217056413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628297A (en) * | 2022-11-14 | 2023-01-20 | 四川优机实业股份有限公司 | Oil lubrication plunger type plug valve |
-
2022
- 2022-03-22 CN CN202220644283.3U patent/CN217056413U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628297A (en) * | 2022-11-14 | 2023-01-20 | 四川优机实业股份有限公司 | Oil lubrication plunger type plug valve |
| CN115628297B (en) * | 2022-11-14 | 2023-03-10 | 四川优机实业股份有限公司 | Oil lubrication plunger type plug valve |
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