CN212107009U - Stop valve of removable valve rod - Google Patents
Stop valve of removable valve rod Download PDFInfo
- Publication number
- CN212107009U CN212107009U CN202020721578.7U CN202020721578U CN212107009U CN 212107009 U CN212107009 U CN 212107009U CN 202020721578 U CN202020721578 U CN 202020721578U CN 212107009 U CN212107009 U CN 212107009U
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- valve
- groove
- valve rod
- hole
- rectangular
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- Expired - Fee Related
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Abstract
The utility model relates to the technical field of stop valves, in particular to a stop valve with a replaceable valve rod, which comprises a valve pipe, wherein a through hole is arranged in the valve pipe, a round hole is arranged at the top of the through hole, a stop ball is arranged in the through hole, a cylindrical groove is arranged at the top of the stop ball, and clamping grooves are arranged at two sides of the cylindrical groove; the cylindrical groove is internally provided with a valve rod, a rectangular groove is symmetrically formed in the valve rod, a through groove is formed in one side of the rectangular groove, a limiting plate is arranged at the bottom of the rectangular groove, a clamping block is arranged on one side of the limiting plate, a plurality of springs are arranged on the other side of the limiting plate, and a rectangular plate is arranged at the top of the limiting plate; the upper ends of the two rectangular plates are kept away from each other, the lower ends of the rectangular plates drive the limiting plates and the clamping blocks to move towards the direction of the springs, the clamping blocks are separated from the clamping grooves, the valve rod can be moved upwards at the moment, the valve rod is moved out from the circular hole and the cylindrical groove, and the valve rod can be timely replaced after being damaged.
Description
Technical Field
The utility model relates to a stop valve technical field specifically is a stop valve of removable valve rod.
Background
The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so when the valve is closed, pressure must be applied to the valve clack to force the sealing surface not to leak. When the medium enters the valve from the lower part of the valve clack, the resistance to be overcome by the operating force is the friction force between the valve rod and the packing and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise the failure of the valve rod buckling can occur.
The valve rod and the stop valve in the prior art are of an integrally formed structure, and the valve rod cannot be replaced after being damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stop valve of removable valve rod to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a stop valve with a replaceable valve rod comprises a valve pipe, wherein a through hole is formed in the valve pipe, a round hole is formed in the top of the through hole, a stop ball is arranged in the through hole and is located right below the round hole, a cylindrical groove is formed in the top of the stop ball and is communicated with the round hole, and clamping grooves are formed in the left side and the right side of the cylindrical groove; a valve rod is arranged in the cylindrical groove, the top end of the valve rod penetrates through a round hole and extends to the outside, a rectangular groove is symmetrically formed in the valve rod, a through groove communicated with a clamping groove is formed in one side of the rectangular groove, a limiting plate is arranged at the bottom of the rectangular groove, a clamping block is arranged on one side of the limiting plate, one end of the clamping block penetrates through the through groove and extends into the clamping groove, a plurality of springs are arranged on the other side of the limiting plate, a rectangular plate is arranged at the top of the limiting plate, the top end of the rectangular plate extends out of the rectangular groove and extends to the outside, and a fixing plate is arranged at the top of the; the valve comprises a valve pipe and is characterized in that a disc is arranged above the valve pipe, a threaded hole is formed in the bottom of the disc, the upper ends of the valve rod and the rectangular plate are located in the threaded hole, and a plurality of fixing columns are arranged on the circumferential wall of the disc.
Preferably, the diameter of the round hole is equal to that of the cylindrical groove and the valve rod, and the valve rod is matched with the round hole and the cylindrical groove in an inserted mode.
Preferably, the diameter of the stop ball is equal to that of the through hole, and the stop ball is rotatably connected with the through hole.
Preferably, the limiting plate and the clamping block are of an integrally formed structure, and the valve rod and the fixing plate are of an integrally formed structure.
Preferably, the height of rectangular plate is greater than the height of valve rod, the limiting plate is articulated with the rectangular plate, the both ends of spring closely bond with the inner wall of limiting plate and rectangular channel respectively.
Preferably, the disc and the fixing column are of an integrally formed structure, the diameter of the valve rod is equal to that of the threaded hole, and the upper end of the valve rod is in threaded connection with the threaded hole.
Preferably, the clamping block is in sliding connection with the through groove, and the clamping block is in clamping fit with the clamping groove.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model is provided with a valve rod, a limiting plate, a clamping block, a rectangular plate, a spring and a fixing plate; the rectangular plate uses the fixed plate as the strong point, makes the upper end of two rectangular plates keep away from each other, makes the lower extreme of rectangular plate remove to the direction of spring to drive limiting plate and fixture block and also remove to the direction of spring, and the limiting plate extrusion spring shortens, makes the fixture block break away from in the draw-in groove, at this moment, can upwards move the valve rod, makes the valve rod follow round hole and cylinder inslot shift out, guarantees that the impaired back of valve rod, change that can be timely.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the valve tube of the present invention;
FIG. 3 is a schematic cross-sectional view of the middle valve tube and the stop ball of the present invention;
FIG. 4 is a schematic view of the internal structure of the valve stem of the present invention;
FIG. 5 is a schematic cross-sectional view of the valve stem of the present invention;
fig. 6 is a schematic sectional view of the disc of the present invention.
In the figure:
a valve tube 1; a through hole 11; a circular hole 12;
a stop ball 2; a cylindrical groove 21; a card slot 22;
a valve stem 3; a rectangular groove 31; a through groove 32;
a limiting plate 4; a latch 41; a rectangular plate 42;
a spring 5;
a fixed plate 6;
a disc 7; a threaded hole 71; are fixed to the post 72.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-6, the present invention provides a technical solution:
a stop valve with a replaceable valve rod comprises a valve pipe 1, wherein a through hole 11 is formed in the valve pipe 1, a round hole 12 is formed in the top of the through hole 11, a stop ball 2 is arranged in the through hole 11, the stop ball 2 is located right below the round hole 12, a cylindrical groove 21 is formed in the top of the stop ball 2, the cylindrical groove 21 is communicated with the round hole 12, and clamping grooves 22 are formed in the left side and the right side of the cylindrical groove 21; a valve rod 3 is arranged in the cylindrical groove 21, the top end of the valve rod 3 penetrates through the circular hole 12 and extends to the outside, a rectangular groove 31 is symmetrically formed in the valve rod 3, a through groove 32 communicated with the clamping groove 22 is formed in one side of the rectangular groove 31, a limiting plate 4 is arranged at the bottom of the rectangular groove 31, a clamping block 41 is arranged on one side of the limiting plate 4, one end of the clamping block 41 penetrates through the through groove 32 and extends into the clamping groove 22, a plurality of springs 5 are arranged on the other side of the limiting plate 4, a rectangular plate 42 is arranged at the top of the limiting plate 4, the top end of the rectangular plate 42 extends out of the rectangular groove 31 and extends to the outside, and a fixing; the disc 7 is arranged above the valve pipe 1, a threaded hole 71 is formed in the bottom of the disc 7, the upper ends of the valve rod 3 and the rectangular plate 42 are located in the threaded hole 71, and a plurality of fixing columns 72 are arranged on the circumferential wall of the disc 7.
Specifically, the diameter of round hole 12 and cylinder groove 21 and valve rod 3 equals, and valve rod 3 and round hole 12 and cylinder groove 21 are pegged graft and are cooperated, make valve rod 3 can disect insertion round hole 12 and cylinder groove 21 in or extract valve rod 3 from round hole 12 and cylinder groove 21, make impaired valve rod 3 can obtain changing.
Furthermore, the diameter of the stop ball 2 is equal to that of the through hole 11, and the stop ball 2 is rotatably connected with the through hole 11, so that the stop ball 2 can rotate in the through hole 11, and the liquid flowing in the through hole 11 can be disconnected or smoothly flowed.
Specifically, limiting plate 4 and fixture block 41 are integrated into one piece structure, and valve rod 3 and fixed plate 6 are integrated into one piece structure, guarantee the stability of structure.
Further, the height of rectangular plate 42 is greater than the height of valve rod 3, guarantees to make the upper end of two rectangular plates 42 be close to each other or keep away from with the hand, and limiting plate 4 is articulated with rectangular plate 42, makes rectangular plate 42 can rotate on limiting plate 4, can not make rectangular plate 42 break, and the both ends of spring 5 closely bond with the inner wall of limiting plate 4 and rectangular channel 31 respectively, guarantees the stable in structure of spring 5 and limiting plate 4, avoids spring 5 to take place the displacement.
Specifically, the disc 7 and the fixing column 72 are of an integrally formed structure, the diameters of the valve rod 3 and the threaded hole 71 are equal, and the upper end of the valve rod 3 is in threaded connection with the threaded hole 71, so that the upper end of the valve rod 3 can be fixed in the threaded hole 71, and the disc 7 can form an integral structure; when the stop ball 2 needs to rotate in the through hole 11, the fixing column 72 can be pushed to rotate, the disc 7 and the valve rod 3 are driven to rotate, and then the clamping block 41 is clamped in the clamping groove 22, so that the valve rod 3 drives the stop ball 2 to rotate.
Further, the fixture block 41 is slidably connected with the through groove 32, so that the fixture block 41 can move in the through groove 32, the fixture block 41 is in clamping fit with the clamping groove 22, and when the fixture block 41 moves in the direction of the clamping groove 22 in the through groove 32, the fixture block 41 can be inserted into the clamping groove 22, and the valve rod 3 and the stop ball 2 can be stably fixed together; meanwhile, the clamping block 41 can be moved into the through groove 32 from the clamping groove 22, the valve rod 3 can be separated from the stop ball 2, the valve rod 3 can be taken out from the circular hole 12 and the cylindrical groove 21, and the valve rod 3 can be replaced.
It is worth to say that, when spring 5 extended naturally, the one end card of fixture block 41 was in draw-in groove 22, guaranteed that valve rod 3 and stop ball 2 are a whole, and when spring 5 was compressed by limiting plate 4, fixture block 41 got into logical groove 32 from draw-in groove 22 in, valve rod 3 and stop ball 2 were the separation, can change the valve rod 3 that damages.
It should be noted that the stop ball 2 has a large friction force with the inner wall of the through hole 11, and a large force is required to rotate the stop ball 2 in the through hole 11; when the upper end of the valve stem 3 is fixed against rotation in the threaded hole 71, the top end of the fixing plate 6 contacts the top end of the threaded hole 71.
When the stop valve with the replaceable valve rod is used, the valve rod 3 is held by one hand, the fixing column 72 is pushed to rotate by the other hand, the disc 7 is enabled to rotate on the valve rod 3, the threaded hole 71 is enabled to be separated from the valve rod 3, then the upper ends of the two rectangular plates 42 are enabled to be mutually far away by the hand, the rectangular plates 42 use the fixing plates 6 as supporting points, the lower ends of the rectangular plates 42 move towards the spring 5, the limiting plates 4 and the fixture blocks 41 are driven to move towards the spring 5, the limiting plates 4 extrude the spring 5 to be shortened, the fixture blocks 41 are enabled to be separated from the clamping grooves 22, at the moment, the valve rod 3 can be moved upwards, the valve rod 3 is enabled to be moved out of the round hole 12 and the cylindrical groove 21.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A stop valve of removable valve rod, includes valve pipe (1), its characterized in that: a through hole (11) is formed in the valve pipe (1), a round hole (12) is formed in the top of the through hole (11), a stop ball (2) is arranged in the through hole (11), the stop ball (2) is located right below the round hole (12), a cylindrical groove (21) is formed in the top of the stop ball (2), the cylindrical groove (21) is communicated with the round hole (12), and clamping grooves (22) are formed in the left side and the right side of the cylindrical groove (21); a valve rod (3) is arranged in the cylindrical groove (21), the top end of the valve rod (3) penetrates through the round hole (12) and extends to the outside, a rectangular groove (31) is symmetrically arranged in the valve rod (3), a through groove (32) communicated with the clamping groove (22) is arranged on one side of the rectangular groove (31), a limiting plate (4) is arranged at the bottom of the rectangular groove (31), a clamping block (41) is arranged on one side of the limiting plate (4), one end of the clamping block (41) passes through the through groove (32) and extends into the clamping groove (22), a plurality of springs (5) are arranged on the other side of the limiting plate (4), a rectangular plate (42) is arranged at the top of the limiting plate (4), and the top end of the rectangular plate (42) extends out of the rectangular groove (31) and extends to the outside, a fixing plate (6) is arranged on one side of the top of the rectangular groove (31) far away from the rectangular plate (42); the valve is characterized in that a disc (7) is arranged above the valve pipe (1), a threaded hole (71) is formed in the bottom of the disc (7), the upper ends of the valve rod (3) and the rectangular plate (42) are located in the threaded hole (71), and a plurality of fixing columns (72) are arranged on the circumferential wall of the disc (7).
2. A removable stem shut-off valve as defined in claim 1 wherein: the diameter of the round hole (12) is equal to that of the cylindrical groove (21) and the valve rod (3), and the valve rod (3) is in plug-in fit with the round hole (12) and the cylindrical groove (21).
3. A removable stem shut-off valve as defined in claim 1 wherein: the diameter of the stop ball (2) is equal to that of the through hole (11), and the stop ball (2) is rotatably connected with the through hole (11).
4. A removable stem shut-off valve as defined in claim 1 wherein: the limiting plate (4) and the clamping block (41) are of an integrally formed structure, and the valve rod (3) and the fixing plate (6) are of an integrally formed structure.
5. A removable stem shut-off valve as defined in claim 1 wherein: the height of rectangular plate (42) is greater than the height of valve rod (3), limiting plate (4) are articulated with rectangular plate (42), the both ends of spring (5) closely bond with the inner wall of limiting plate (4) and rectangular channel (31) respectively.
6. A removable stem shut-off valve as defined in claim 1 wherein: the disc (7) and the fixing column (72) are of an integrally formed structure, the diameter of the valve rod (3) is equal to that of the threaded hole (71), and the upper end of the valve rod (3) is in threaded connection with the threaded hole (71).
7. A removable stem shut-off valve as defined in claim 1 wherein: the fixture block (41) is in sliding connection with the through groove (32), and the fixture block (41) is in clamping fit with the fixture groove (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020721578.7U CN212107009U (en) | 2020-05-06 | 2020-05-06 | Stop valve of removable valve rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020721578.7U CN212107009U (en) | 2020-05-06 | 2020-05-06 | Stop valve of removable valve rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212107009U true CN212107009U (en) | 2020-12-08 |
Family
ID=73619257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020721578.7U Expired - Fee Related CN212107009U (en) | 2020-05-06 | 2020-05-06 | Stop valve of removable valve rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212107009U (en) |
-
2020
- 2020-05-06 CN CN202020721578.7U patent/CN212107009U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201208 Termination date: 20210506 |