CN211082923U - Hexagonal pressing cap for ball valve - Google Patents
Hexagonal pressing cap for ball valve Download PDFInfo
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- CN211082923U CN211082923U CN201922276911.8U CN201922276911U CN211082923U CN 211082923 U CN211082923 U CN 211082923U CN 201922276911 U CN201922276911 U CN 201922276911U CN 211082923 U CN211082923 U CN 211082923U
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- ball valve
- valve rod
- cap
- adjusting
- axial
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Abstract
The utility model provides a cap is pressed to hexagonal that ball valve was used belongs to the valve and makes technical field. The valve rod pressing cap solves the problems that when the existing pressing cap is matched with a valve rod, the valve rod is easy to axially jump in a valve body, and the service life is short. This cap is pressed to hexagonal that ball valve was used includes cap cover portion, the inside riveting of upper end tip of cap cover portion supports in order to form to be used for the ball valve rod axial to lean on the throat portion that prevents the ball valve rod and axially beat in the ball valve body, stretch out in the throat portion in the upper end of ball valve rod, circumference interval distribution has the adjusting bolt who is the axial setting on the throat portion, be provided with between adjusting bolt and the throat portion when throat portion and ball valve rod axial support lean on, can adjust the throat portion and ball valve rod axial support and lean on the adjusting device of effort size. The utility model has the advantages of reasonable design, simply, adjustable throat portion supports to lean on the effort size with ball valve rod axial, can effectively avoid the valve rod axial that appears in the valve body to beat, and the leakproofness is good, stable in structure, long service life.
Description
Technical Field
The utility model belongs to the technical field of the valve is made, a cap is pressed to hexagonal that ball valve was used is related to.
Background
The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and the ball valve belongs to the most common valve in the valves. So to the accessory pressure cap of ball valve, not only must accomplish the quality good, but also must accomplish the in-process of installation and can guarantee the inseparable cooperation of product, can not appear jumping between each part in the in-process of using, connect unstable phenomenon.
For example, chinese literature discloses a press cap [ application No.: 201621295582.1, respectively; authorization notice number: CN206234466U ], it includes the body, the body is including being cylindrical structure siphonozooid, the outside turn-ups of the up end of siphonozooid form the circular shape and extend the limit, the extension edge is equipped with the extension portion that is polygonized structure, the lateral wall middle part of siphonozooid is equipped with the annular groove, the upside and the extension limit of annular groove are connected, be equipped with the external screw thread on the lateral wall of siphonozooid of annular groove downside.
In the structure, according to the mechanical structure of threaded connection matching, the threaded matching has a certain gap, so that in the using process, due to long-term opening and closing, axial jumping occurs between the valve rod and the pressing cap, the sealing performance in the ball valve is deteriorated, and the service life of the whole product is correspondingly shortened.
Disclosure of Invention
The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, when cooperating with ball valve rod axial, can prevent effectively that the valve rod is used for the ball valve that the valve rod is beated in the valve body hexagonal pressure cap.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a cap is pressed to hexagonal that ball valve was used, is including being used for dismantling the cap cover portion of screwed connection on the ball valve body, the inside riveting of upper end tip of cap cover portion in order to form and be used for ball valve rod axial to support and lean on the throat that prevents the ball valve rod axial runout in the ball valve body, the upper end of ball valve rod stretch out from the throat, its characterized in that, the throat on circumference interval distribution have the adjusting bolt that is the axial setting, adjusting bolt and throat between be provided with when throat and ball valve rod axial support and lean on the time, can adjust the throat and ball valve rod axial and support and lean on the adjusting device of effort size.
This hexagonal pressure cap that ball valve was used mainly sets up adjusting bolt at the throat portion, and the adjustable throat portion of adjusting device through setting up between adjusting bolt and the throat portion supports with the ball valve rod axial and leans on the effort size, adjusts easy operation, can effectively avoid the axial of valve rod appearance in the valve body to beat and finally lead to case and valve body to seal not tight.
In foretell hexagonal pressure cap for ball valve, the throat portion on circumference interval distribution have four to be the regulation hole of axial setting, adjusting bolt wear to locate in the regulation hole that corresponds. The purpose that sets up like this makes adjusting bolt can evenly support in the ball valve rod by circumference, and structural stability is high.
In foretell hexagonal pressure cap for ball valve, adjusting device include that adjusting bolt's outer wall is provided with the external screw thread, adjusting hole's inner wall on be provided with the internal thread, adjusting bolt's external screw thread and adjusting hole's internal thread screw cooperation carry out stepless axial regulation throat portion and ball valve rod axial and lean on the effort. Stepless axial adjustment can be realized through a threaded connection mode, and the device is convenient to connect, use and adjust.
In foretell hexagonal pressure cap for ball valve, the interior terminal surface of throat portion on circumference interval distribution have four adjustment tank that are the axial setting, the same axial of adjustment hole and adjustment tank distribute, when adjusting bolt screwed connection in the adjustment hole, and this adjusting bolt's lower extreme stretches out from the adjustment tank and is used for leaning on with ball valve rod axial to support, the adjustment tank in be provided with rubber deformation pad, adjusting bolt's lower extreme and rubber deformation pad axial support to lean on the cooperation, and this adjusting bolt is used for leaning on with ball valve rod axial through rubber deformation pad, rubber deformation pad and adjustment tank between still be provided with the axial stop device who prevents that rubber deformation pad from breaking away from the adjustment tank. When adjusting bolt through rubber deformation pad be used for with the ball valve rod axial support lean on when, and this rubber deformation pad deformation just has deformation elastic force, this deformation elastic force acts on adjusting bolt and prevents that adjusting bolt spiral is not hard up, makes adjusting bolt adjust the throat portion and ball valve rod axial support to lean on the big or small stable in structure of effort.
In the hexagonal pressing cap for the ball valve, the lower end face of the adjusting bolt is an arc-shaped end face protruding downwards. The purpose that sets up like this enables rubber deformation pad middle part direction deformation, deformation stable in structure.
In foretell hexagonal pressure cap for ball valve, axial stop device the middle part position that includes the outer wall that rubber deformation filled up have a screens ring, the cell wall of adjustment tank on have an annular groove, when rubber deformation filled up and is located the adjustment tank, and this screens ring prevents in annular groove that rubber deformation filled up the deformation axial and breaks away from the adjustment tank. The purpose that sets up like this can prevent effectively that rubber deformation pad deformation axial from breaking away from the adjustment tank, and structural stability is high.
In the hexagonal press cap for the ball valve, the inner end surface and the outer end surface of the necking part are both flat surfaces, a conical surface is arranged between the inner end surface of the necking part and the inner wall of the cap sleeve part, and the inner end surface of the necking part and the inner wall of the cap sleeve part are in transitional connection through the conical surface. This is provided for the purpose of making the mechanical strength of the choke portion and the cap portion high.
In the hexagonal pressing cap for the ball valve, the inner wall of the cap sleeve part is provided with an internal thread section which is in threaded connection with the ball valve body. The axial abutting distance between the cap sleeve part and the valve rod can be adjusted through a threaded connection mode.
Compared with the prior art, the hexagonal pressing cap for the ball valve has the advantages that: structural design is reasonable, simple, and adjustable throat portion supports to lean on the effort size with the ball valve rod axial, can effectively avoid the valve rod axial that appears in the valve body to beat, and the leakproofness is good, stable in structure, long service life.
Drawings
Fig. 1 is a schematic sectional view of a hexagonal press cap for a ball valve according to the present invention.
In the figure, 1, a cap part; 2. a necking part; 3. adjusting the bolt; 4. a rubber deformation pad; 5. a position clamping ring; 6. a conical surface; 7. an internal thread segment.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, this hexagonal pressure cap that ball valve was used mainly comprises cap portion 1 that is used for dismantling the screwed connection on the ball valve body, the inside riveting of upper end tip of cap portion 1 supports in order to form to be used for the ball valve rod axial to lean on the throat portion 2 that prevents the ball valve rod axial runout in the ball valve body, the upper end of ball valve rod stretches out from throat portion 2, circumference interval distribution has adjusting bolt 3 that is the axial setting on throat portion 2, when actual manufacturing, circumference interval distribution has four adjusting holes that are the axial setting on this throat portion 2, adjusting bolt 3 wears to locate in the adjusting hole that corresponds.
An adjusting device capable of adjusting the axial abutting acting force of the necking part 2 and the ball valve rod when the necking part 2 and the ball valve rod are axially abutted is arranged between the adjusting bolt 3 and the necking part 2; in actual manufacturing, the specific implementation of the adjusting device is as follows: the outer wall of the adjusting bolt 3 is provided with an external thread, the inner wall of the adjusting hole is provided with an internal thread, and the external thread of the adjusting bolt 3 is matched with the internal thread of the adjusting hole in a spiral mode to perform stepless axial adjustment on the necking part 2 and the axial abutting force of the ball valve rod.
When actual design, circumference interval distribution has four adjustment tank that are the axial setting on this throat 2's the interior terminal surface, the same axial distribution of adjustment hole and adjustment tank, when 3 screwed connection of adjusting bolt in the adjustment hole, and the lower extreme of this adjusting bolt 3 stretches out from the adjustment tank and is used for leaning on with ball valve rod axial, be provided with rubber deformation pad 4 in the adjustment tank, adjusting bolt 3's lower extreme and rubber deformation pad 4 axial are supported and are leaned on the cooperation, and this adjusting bolt 3 is used for leaning on with ball valve rod axial through rubber deformation pad 4, specific saying: this adjusting bolt 3's lower extreme terminal surface is the arc terminal surface of downward protruding setting, and the purpose that sets up like this is: the rubber deformation pad 4 is beneficial to guiding deformation, and the deformation structure is stable; an axial limiting device for preventing the rubber deformation pad 4 from being separated from the adjusting groove is further arranged between the rubber deformation pad 4 and the adjusting groove.
In actual manufacturing, the specific implementation mode of the axial limiting device is as follows: the middle part position of the outer wall of rubber deformation pad 4 has screens ring 5, has ring groove on the cell wall of adjustment tank, when rubber deformation pad 4 was located the adjustment tank, and this screens ring 5 prevented that rubber deformation pad 4 deformation axial from breaking away from the adjustment tank in being in ring groove.
During actual manufacturing, both the inner end surface and the outer end surface of the throat part 2 are flat surfaces, a conical surface 6 is arranged between the inner end surface of the throat part 2 and the inner wall of the cap sleeve part 1, and the inner end surface of the throat part 2 and the inner wall of the cap sleeve part 1 are in transitional connection through the conical surface 6; the inner wall of the cap portion 1 has an internally threaded section 7 for threaded connection with the ball valve body.
Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a cap is pressed to hexagonal that ball valve was used, is including being used for dismantling cap cover portion (1) of screwed connection on the ball valve body, the inside riveting of upper end tip of cap cover portion (1) support in order to form and be used for ball valve rod axial to lean on throat portion (2) that prevent the ball valve rod axial runout in the ball valve body, the upper end of ball valve rod stretch out from throat portion (2), its characterized in that, throat portion (2) go up circumference interval distribution and have adjusting bolt (3) that are the axial setting, adjusting bolt (3) and throat portion (2) between be provided with when throat portion (2) and ball valve rod axial support and lean on, can adjust throat portion (2) and ball valve rod axial and lean on the adjusting device of effort size.
2. The hexagonal pressing cap for the ball valve as claimed in claim 1, wherein four axially arranged adjusting holes are circumferentially spaced on the necking portion (2), and the adjusting bolt (3) is inserted into the corresponding adjusting hole.
3. The hexagonal pressing cap for the ball valve as claimed in claim 2, wherein the adjusting means comprises an outer thread on the outer wall of the adjusting bolt (3), an inner thread on the inner wall of the adjusting hole, and the outer thread of the adjusting bolt (3) and the inner thread of the adjusting hole are screwed together to perform stepless axial adjustment of the axial abutting action of the necking portion (2) and the ball valve stem.
4. The hexagonal press cap for the ball valve according to claim 3, wherein four axially-arranged adjusting grooves are circumferentially distributed on the inner end surface of the throat portion (2) at intervals, the adjusting holes and the adjusting grooves are axially distributed, when the adjusting bolt (3) is screwed in the adjusting holes, the lower end of the adjusting bolt (3) extends out of the adjusting grooves and is axially abutted against a ball valve rod, a rubber deformation pad (4) is arranged in the adjusting grooves, the lower end of the adjusting bolt (3) is axially abutted against the rubber deformation pad (4) and is matched with the ball valve rod, the adjusting bolt (3) is axially abutted against the ball valve rod through the rubber deformation pad (4), and an axial limiting device for preventing the rubber deformation pad (4) from being separated from the adjusting grooves is further arranged between the rubber deformation pad (4) and the adjusting grooves.
5. The hexagonal press cap for a ball valve according to claim 4, wherein the lower end surface of the adjusting bolt (3) is an arc-shaped surface that is convex downward.
6. The hexagonal pressing cap for the ball valve as claimed in claim 5, wherein the axial limiting means comprises a retaining ring (5) at a middle position of an outer wall of the rubber deformation pad (4), and the groove wall of the adjustment groove is provided with an annular groove, when the rubber deformation pad (4) is located in the adjustment groove, the retaining ring (5) is located in the annular groove to prevent the rubber deformation pad (4) from deforming axially to leave the adjustment groove.
7. The hexagonal press cap for the ball valve according to claim 6, wherein the inner end surface and the outer end surface of the throat portion (2) are flat surfaces, a tapered surface (6) is provided between the inner end surface of the throat portion (2) and the inner wall of the cap portion (1), and the inner end surface of the throat portion (2) and the inner wall of the cap portion (1) are transitionally connected through the tapered surface (6).
8. A hexagonal socket for a ball valve according to claim 7, wherein the inner wall of the cap housing portion (1) has an internal thread portion (7) for screwing with a ball valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922276911.8U CN211082923U (en) | 2019-12-18 | 2019-12-18 | Hexagonal pressing cap for ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922276911.8U CN211082923U (en) | 2019-12-18 | 2019-12-18 | Hexagonal pressing cap for ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211082923U true CN211082923U (en) | 2020-07-24 |
Family
ID=71644044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922276911.8U Active CN211082923U (en) | 2019-12-18 | 2019-12-18 | Hexagonal pressing cap for ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211082923U (en) |
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2019
- 2019-12-18 CN CN201922276911.8U patent/CN211082923U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230116 Address after: 317600 Qinggang Town, Yuhuan City, Taizhou, Zhejiang Patentee after: ZHEJIANG VALOGIN TECHNOLOGY Co.,Ltd. Address before: Xiaqiu Village, Qinggang Town, Yuhuan City, Taizhou City, Zhejiang Province, 317606 Patentee before: ZHEJIANG HUALONG JUSHUI HVAC TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right |