CN220533348U - Valve seat pressure welding tool of wedge type single gate valve - Google Patents
Valve seat pressure welding tool of wedge type single gate valve Download PDFInfo
- Publication number
- CN220533348U CN220533348U CN202321137413.5U CN202321137413U CN220533348U CN 220533348 U CN220533348 U CN 220533348U CN 202321137413 U CN202321137413 U CN 202321137413U CN 220533348 U CN220533348 U CN 220533348U
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- valve seat
- pressure welding
- valve
- type single
- single gate
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- 238000003466 welding Methods 0.000 title claims abstract description 53
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Valve Housings (AREA)
Abstract
A valve seat pressure welding tool for a wedge type single gate valve belongs to the field of valve assembly of shut-off type valves. The utility model solves the problems that the valve seat of the traditional wedge type single gate valve needs larger pressing force when being pressed, the valve seat is not pressed in place when being assembled, and the welding valve seat is not in place, so that the sealing effect of the valve is poor and leakage is generated. The utility model comprises a left valve seat, a left pressure welding plate, a compression bolt, a right pressure welding plate and a right valve seat which are sequentially arranged in a valve body, and the clearance between the valve seat and the valve body is adjusted by screwing the compression bolt, so that the valve seat can reach the required position when the valve seat is welded, and further good sealing performance is generated.
Description
Technical Field
The utility model relates to a valve seat pressure welding tool of a wedge type single gate valve, and belongs to the field of shut-off valve assembly.
Background
The wedge type single gate valve is installed on water and steam pipeline as opening and closing device. The valve seat hole of the valve body at the branch pipe is an inclined spigot with an inclined angle theta, the valve seat is welded in the valve body spigot, and the valve clack of the single flashboard structure moves up and down along the guide rib in the valve body, so that good sealing performance is achieved through compression fit. In the initial stage of assembling and welding the valve seat, the valve seat is in a free state and a certain gap exists between the valve body, so that the valve seat needs to be pressed by a pressure welding tool, and the gap between the valve body and the valve seat is 0. However, the valve seat of the wedge-type single gate valve needs larger pressing force when being pressed, meanwhile, the internal structure of the wedge-type single gate valve is complex, the valve seat is often in place when being assembled due to the fact that the valve seat is not pressed, the valve sealing effect is poor due to the fact that the required position is not reached when the valve seat is welded, and leakage is easy to occur.
In view of the foregoing, there is a need for a valve seat bonding tool for a wedge-type single gate valve that overcomes the above-mentioned problems.
Disclosure of Invention
The utility model solves the problems of poor sealing effect and leakage of the valve caused by the fact that a valve seat of the traditional wedge type single gate valve needs larger pressing force when being pressed, and the valve seat is not pressed in place when being assembled, so that the utility model further discloses a valve seat pressing and welding tool of the wedge type single gate valve. The following presents a simplified summary of the utility model in order to provide a basic understanding of some aspects of the utility model. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to identify key or critical elements of the utility model or to delineate the scope of the utility model.
The technical scheme of the utility model is as follows:
the utility model provides a disk seat pressure welding instrument of single flashboard valve of basic wedge formula, includes left disk seat, left pressure welding plate, hold-down bolt, right pressure welding plate, right disk seat pack into the valve body in proper order, left and right pressure welding plate and hold-down bolt cooperation installation and compress tightly the disk seat in the valve body, left and right pressure welding plate pass through tang A, tang B location installation on the disk seat, left pressure welding plate is connected to hold-down bolt one end, right pressure welding plate is connected to the other end.
Furthermore, the left pressure welding plate and the right pressure welding plate are matched with the left valve seat and the right valve seat by adopting structures of a spigot A and a spigot B.
Further, a spigot A is arranged at the left end of the left pressure welding plate, a plane A with an inclined angle theta is arranged at the right end of the left pressure welding plate, and a threaded hole is formed in the plane A.
Further, a spigot B is arranged at the right end of the right pressure welding plate, and a plane B with an inclined angle theta is arranged at the left end of the right pressure welding plate.
Furthermore, one end of the compression bolt is of a threaded structure, the other end of the compression bolt is of a round head structure, and the middle part of the compression bolt is of a square structure.
The utility model has the beneficial effects that:
1. according to the valve seat pressure welding tool of the wedge type single gate valve, the valve seat is pressed by the pressure welding tool, so that the valve body is tightly attached to the valve seat, and then the valve seat reaches a required position when the valve seat is welded, good sealing performance is generated, and valve leakage is avoided.
2. The left and right valve seats are connected with the left and right pressure welding plates in a matched installation manner through the spigot A and the spigot B, the left pressure welding plate is also matched and installed with the threaded end of the compression bolt through threads, the round end of the compression bolt is matched and installed with the right pressure welding plate, and the gap between the valve seat and the valve body is adjusted through screwing the compression bolt so that the valve seat reaches a required position when the valve seat is welded.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a valve seat pressure welding tool for a wedge type single gate valve;
FIG. 2 is a schematic view of a left bonding pad structure;
FIG. 3 is a schematic view of a right press-fit plate structure;
fig. 4 is a schematic view of the construction of the hold-down bolt.
In the figure, a valve body, a left valve seat, a left pressure welding plate, a 4-pressure bolt, a right pressure welding plate and a right valve seat are respectively arranged at the bottom of the valve body and the bottom of the valve body.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is illustrative and not intended to limit the scope of the utility model. In the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
The first embodiment is as follows: the valve seat pressure welding tool of the wedge-type single gate valve of the present embodiment is described with reference to fig. 1 to 4, and includes a left valve seat 2, a left pressure welding plate 3, a pressure bolt 4, a right pressure welding plate 5 and a right valve seat 6, which are sequentially installed in the valve body 1, a spigot A7 matched with the left valve seat 2 is provided on the left end of the left pressure welding plate 3, a plane A8 with an inclined angle θ is provided on the right end, a threaded hole 9 is provided on the plane A8, a spigot B10 matched with the right valve seat 6 is provided on the right end of the right pressure welding plate 5, a plane B11 with an inclined angle θ is provided on the left end, a thread 12 at the left end of the pressure bolt 4 is connected with the threaded hole 9 on the left pressure welding plate 3, a round head 13 at the right end of the pressure bolt 4 is matched with the plane B11 on the right pressure welding plate 5, and a gap between the valve seat and the valve body is adjusted by screwing a square 14 in the middle of the pressure bolt, so that the valve seat reaches a desired position when the valve seat is welded, and good sealing performance is generated.
The second embodiment is as follows: referring to fig. 1 to 4, a valve seat bonding tool for a wedge-type single gate valve according to the present embodiment is described, wherein 3 planes A8 with an inclination angle θ are arrayed on the right end of the left bonding plate 3, and threaded holes 9 are formed on the planes.
And a third specific embodiment: referring to fig. 1 to 4, a valve seat bonding tool for a wedge-type single gate valve according to the present embodiment is described, wherein 3 planes B11 with an inclination angle θ are arrayed on the left end of the right bonding plate 5.
The specific embodiment IV is as follows: with reference to fig. 1-4, the present embodiment of a valve seat pressure welding tool for a wedge-type single gate valve is described, where the left end of the compression bolt 4 is a threaded structure 12, the right end is a round head structure 13, so that a good universal effect can be achieved, and the middle part is a square structure 14, so that the compression bolt 4 can be conveniently screwed to adjust the fit clearance between the valve body 1 and the left valve seat 2 and the right valve seat 6.
The present embodiment is only exemplary of the present patent, and does not limit the scope of protection thereof, and those skilled in the art may also change the part thereof, so long as the spirit of the present patent is not exceeded, and the present patent is within the scope of protection thereof.
Claims (5)
1. A valve seat pressure welding tool of a wedge type single flashboard valve is characterized in that: including left disk seat (2), left pressure welding board (3), hold-down bolt (4), right pressure welding board (5) and right disk seat (6) pack into in proper order in valve body (1), left pressure welding board (3), right pressure welding board (5) and left disk seat (2), right disk seat (6) cooperation installation, left pressure welding board (3), right pressure welding board (5) and hold-down bolt (4) cooperation installation and compress tightly left disk seat (2) and right disk seat (6) in valve body (1).
2. The valve seat bonding tool for a wedge-type single gate valve according to claim 1, wherein: the left pressure welding plate (3) and the right pressure welding plate (5) are matched with the left valve seat (2) and the right valve seat (6) through the structures of the matched rabbets A (7) and the matched rabbets B (10).
3. The valve seat press-welding tool of a wedge-type single gate valve according to claim 1 or 2, wherein: the left end of the left pressure welding plate (3) is provided with a spigot A (7) matched with the left valve seat (2), the right end of the left pressure welding plate is provided with a plane A (8) with an inclined angle, and the plane A is provided with a threaded hole (9).
4. The valve seat press-welding tool of a wedge-type single gate valve according to claim 1 or 2, wherein: the right end of the right pressure welding plate (5) is provided with a spigot B (10) matched with the right valve seat (6), and the left end is provided with a plane B (11) with an inclined angle.
5. The valve seat bonding tool for a wedge-type single gate valve according to claim 1, wherein: the left end of the compression bolt (4) is provided with threads (12), the right end of the compression bolt is provided with a round head (13), and the middle part of the compression bolt is provided with a square structure (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321137413.5U CN220533348U (en) | 2023-05-12 | 2023-05-12 | Valve seat pressure welding tool of wedge type single gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321137413.5U CN220533348U (en) | 2023-05-12 | 2023-05-12 | Valve seat pressure welding tool of wedge type single gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220533348U true CN220533348U (en) | 2024-02-27 |
Family
ID=89961611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321137413.5U Active CN220533348U (en) | 2023-05-12 | 2023-05-12 | Valve seat pressure welding tool of wedge type single gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220533348U (en) |
-
2023
- 2023-05-12 CN CN202321137413.5U patent/CN220533348U/en active Active
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