CN212056078U - Ball valve with limiting device - Google Patents
Ball valve with limiting device Download PDFInfo
- Publication number
- CN212056078U CN212056078U CN202020740606.XU CN202020740606U CN212056078U CN 212056078 U CN212056078 U CN 212056078U CN 202020740606 U CN202020740606 U CN 202020740606U CN 212056078 U CN212056078 U CN 212056078U
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- ball valve
- valve body
- limiting
- valve rod
- limiting plate
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Abstract
The utility model discloses a ball valve with a limiting device, which relates to a valve, comprising a ball valve body, wherein the outer wall of the top end of a valve rod in the ball valve body is connected with a limiting part, and the ball valve is also provided with a positioning device which can lock the limiting part when the ball valve body is in two states of complete opening and complete closing, and the positioning device is movably connected with the ball valve body; the utility model discloses a positioner can be effectively through the opening or the closed condition of locating part locking valve door, has improved the locking precision.
Description
Technical Field
The utility model relates to a ball valve specifically is a ball valve that is used for lockable ball valve to open or close the state.
Background
The manual ball valve in the existing market mainly adopts the head of the socket head cap screw for fixing the packing gland to realize the limiting function. In the actual use process, the head of the hexagon socket head screw is circular, the limiting is often limited at a certain point, the limiting precision is greatly influenced, and the valve cannot be completely opened or closed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a take stop device's ball valve to solve the not high technical problem of spacing precision among the prior art.
The utility model discloses a realize through following technical scheme:
the utility model provides a take stop device's ball valve, including the ball valve body, be connected with the locating part on the top outer wall of valve rod in the ball valve body, still be provided with can open completely and close dead positioner of locating part lock when two kinds of states completely at the ball valve body, positioner and ball valve body swing joint.
Furthermore, the positioning device is specifically a positioning bolt, one end of the positioning bolt is connected with the ball valve body through a lock chain, one end of the limiting part, which is far away from the valve rod, is provided with a positioning hole which corresponds to the positioning bolt and penetrates through the ball valve body, the top of the ball valve body is provided with two insertion holes which correspond to the positioning bolt, and the two insertion holes are respectively located at the positions of orthographic projections of the positioning holes on the ball valve body when the ball valve body is completely opened and closed.
Further, the limiting part is a limiting plate which is horizontally arranged, and the positioning hole is formed in one end of the limiting plate.
Further, the top of valve rod specifically comprises the structure that the transversal both ends of personally submitting are the semicircle centre for the rectangle in the middle of the ball valve body, limiting plate is seted up the through hole the same with valve rod top cross section towards one of valve rod, and the limiting plate passes through the through hole cover and establishes on the outer wall of valve rod top.
Further, the outer edge lower part that the limiting plate deviates from the tip of locating hole is fixed to be provided with rather than integrative has the arc bounding wall, the spout that supplies the arc bounding wall to wind valve rod pivoted on the horizontal direction is seted up at the top of ball valve body, and the ball valve body is in the inner wall that the both ends on the arc bounding wall horizontal direction are adjacent respectively with the spout both ends when opening completely and closing two kinds of states completely and closely laminates.
Furthermore, the top of ball valve body is provided with rather than integrative spacing platform, two the patchhole and spout have been seted up to the top of spacing platform.
Further, the bottom of the end part of the limiting plate, provided with the positioning hole, is tightly attached to the limiting platform along with the rotation of the valve rod.
Further, the outer wall of the top end of the valve rod is further provided with a clamping ring in a clamped mode, and the bottom of the clamping ring tightly pushes against the top of the limiting plate.
Compared with the prior art, the utility model has the following advantages: the utility model provides a ball valve with a limiting device, when the valve rod rotates to completely open or close the ball valve, the ball valve can be completely locked through a limiting part and a positioning device, thereby avoiding the defect that the traditional equipment can not accurately lock the open or close state of the ball valve; the valve rod can be locked only when rotating to a set position by arranging the positioning bolt, the positioning hole and the insertion hole, so that the locking precision can be effectively improved; simultaneously through setting up arc bounding wall 8 and spout, further improved spacing precision, and combine snap ring and spacing platform, can avoid the locating part to rotate the in-process and reciprocate, and then make spacing precision further improve.
Drawings
Fig. 1 is an exploded view of a ball valve with a limiting device according to an embodiment.
In the figure: 1. a ball valve body; 2. a limiting member; 3. a positioning device; 4. a chain; 5. positioning holes; 6. an insertion hole; 7. an arc coaming; 8. a chute; 9. a snap ring; 10. and a limiting platform.
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.
With reference to fig. 1, the present embodiment provides a ball valve with a limiting device, which includes a ball valve body 1, a limiting member 2 is connected to an outer wall of a top end of a valve rod in the ball valve body 1, a positioning device 3 is further provided to lock the limiting member 2 when the ball valve body 1 is completely opened or closed, and the positioning device 3 is movably connected to the ball valve body 1.
The working principle is as follows:
when the equipment rotates to a completely opened or closed state, the valve rod is locked through the limiting piece 2 by the positioning device 3, and therefore the opening or closing precision of the ball valve is ensured.
Specifically, in this embodiment, the positioning device 3 is a positioning bolt, one end of the positioning device is connected to the ball valve body 1 through a chain 4, one end of the limiting member 2 away from the valve rod is provided with a positioning hole 5 corresponding to the positioning bolt and penetrating through the ball valve body, the top of the ball valve body 1 is provided with two insertion holes 6 corresponding to the positioning bolt, and the two insertion holes 6 are respectively located at positions of orthographic projections of the positioning hole 5 on the ball valve body 1 when the ball valve body 1 is completely opened and closed.
Through the arrangement, the positioning bolt can effectively simplify the equipment structure, is connected with the ball valve body 1 through the lock chain 4, and can further avoid the loss of the positioning bolt, and meanwhile, one end of the positioning bolt is inserted into the corresponding insertion hole 6 through the positioning hole 5 to limit the limiting piece 2 at the corresponding position, so that the ball valve body 1 is kept in a completely opened or closed state, and the setting operation of the positioning bolt is convenient, and the equipment structure is simple;
specially, in order to further improve the positioning effect, locating part 2 specifically is the limiting plate that the level set up in this embodiment, and locating hole 5 is seted up in one of limiting plate, and the top of valve rod specifically comprises the structure that the transversal both ends of personally submitting are the semicircle centre for the rectangle in ball valve body 1, and the limiting plate is seted up the through-hole the same with valve rod top cross section towards one of valve rod, and the limiting plate passes through the through-hole cover and establishes on the outer wall of valve rod top.
Through the arrangement, the top end of the valve rod is arranged in the shape, so that the limiting part 2 sleeved on the valve rod can be effectively and synchronously driven, and meanwhile, the installation and the disassembly of equipment are convenient, and the later maintenance of the equipment is convenient;
specially, in order to further improve spacing precision, in this embodiment, the outer edge lower part that the limiting plate deviates from the tip of locating hole 5 is fixed to be provided with rather than integrative have arc bounding wall 7, and the spout 8 that supplies arc bounding wall 7 to wind valve rod pivoted on the horizontal direction is seted up at the top of ball valve body 1, and ball valve body 1 is in when opening completely and closing two kinds of states the both ends on the arc bounding wall 7 horizontal direction closely laminate with the inner wall that spout 8 both ends are adjacent respectively.
Through the arrangement, the limiting piece 2 can be further limited through the arc-shaped coaming 7 by means of the sliding groove 8, so that the limiting accuracy can be further improved, and the limiting precision is improved;
specially, in this embodiment, in order to avoid locating part 2 to have the space to lead to the crooked possibility of limiting plate atress between locating part 2 and the ball valve body 1 when rotating and inserting the gim peg, the top of ball valve body 1 is provided with rather than integrative spacing platform 10, two patchholes 6 and spout 8 have been seted up at the top of spacing platform 10, the bottom of the tip that locating hole 5 was seted up to the limiting plate is following its bottom of valve rod pivoted in-process and is closely laminating with spacing platform, valve rod top outer wall still blocks and is equipped with snap ring 9, and the bottom of snap ring 9 tightly pushes up the limiting plate top.
Through the arrangement, the buckle 9 can tightly push the limiting plate, so that the limiting part 2 and the limiting platform 10 are tightly attached all the time in the rotating process, the defect of space between the limiting part and the limiting platform can be avoided, and the stability of the equipment is improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a take stop device's ball valve, includes ball valve body (1), its characterized in that, be connected with locating part (2) on the top outer wall of valve rod in ball valve body (1), still be provided with can be in ball valve body (1) open completely and close dead positioner (3) of two kinds of states with locating part (2) lock completely, positioner (3) and ball valve body (1) swing joint.
2. The ball valve with the limiting device according to claim 1, wherein the positioning device (3) is a positioning bolt, one end of the positioning bolt is connected with the ball valve body (1) through a chain (4), one end of the limiting member (2) away from the valve rod is provided with a positioning hole (5) which corresponds to the positioning bolt and penetrates through the ball valve body, the top of the ball valve body (1) is provided with two insertion holes (6) which correspond to the positioning bolt, and the two insertion holes (6) are respectively located at positions of orthographic projections of the positioning hole (5) on the ball valve body (1) when the ball valve body (1) is completely opened and closed.
3. The ball valve with the limiting device according to claim 2, wherein the limiting member (2) is a limiting plate horizontally arranged, and the positioning hole (5) is opened at one end of the limiting plate.
4. The ball valve with the limiting device according to claim 3, wherein the top end of the valve rod in the ball valve body (1) is formed by a structure with a semicircular cross section and a rectangular middle cross section, a through hole which is the same as the cross section of the top end of the valve rod is formed in one end, facing the valve rod, of the limiting plate, and the limiting plate is sleeved on the outer wall of the top end of the valve rod through the through hole.
5. The ball valve with the limiting device according to claim 4, wherein the limiting plate is fixedly provided with an integrated arc-shaped enclosing plate (7) along the lower part of the outer edge of the end part deviating from the positioning hole (5), a sliding groove (8) for the arc-shaped enclosing plate (7) to rotate around the valve rod in the horizontal direction is formed in the top of the ball valve body (1), and the two ends of the arc-shaped enclosing plate (7) in the horizontal direction are respectively tightly attached to the adjacent inner walls at the two ends of the sliding groove (8) when the ball valve body (1) is in the two states of completely opening and completely closing.
6. The ball valve with the limiting device according to claim 5, wherein a limiting platform (10) integrated with the ball valve body (1) is arranged on the top of the ball valve body, and the two insertion holes (6) and the sliding grooves (8) are formed on the top of the limiting platform (10).
7. The ball valve with the limiting device according to claim 6, wherein the bottom of the end of the limiting plate provided with the locating hole (5) is tightly attached to the limiting platform in the process of rotating along with the valve rod.
8. The ball valve with the limiting device according to claim 7, wherein the outer wall of the top end of the valve rod is further provided with a clamping ring (9), and the bottom of the clamping ring (9) tightly props against the top of the limiting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020740606.XU CN212056078U (en) | 2020-05-08 | 2020-05-08 | Ball valve with limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020740606.XU CN212056078U (en) | 2020-05-08 | 2020-05-08 | Ball valve with limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212056078U true CN212056078U (en) | 2020-12-01 |
Family
ID=73525717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020740606.XU Active CN212056078U (en) | 2020-05-08 | 2020-05-08 | Ball valve with limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212056078U (en) |
-
2020
- 2020-05-08 CN CN202020740606.XU patent/CN212056078U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 245000, Meilin Avenue, Huangshan City Economic Development Zone, Anhui, 55 Patentee after: Anhui Tunxi High Pressure Valve Co.,Ltd. Address before: 245000, Meilin Avenue, Huangshan City Economic Development Zone, Anhui, 55 Patentee before: ANHUI TUNXI HIGH PRESSURE VALVE Co.,Ltd. |