CN210566409U - Pneumatic rotary ball valve - Google Patents
Pneumatic rotary ball valve Download PDFInfo
- Publication number
- CN210566409U CN210566409U CN201921723042.2U CN201921723042U CN210566409U CN 210566409 U CN210566409 U CN 210566409U CN 201921723042 U CN201921723042 U CN 201921723042U CN 210566409 U CN210566409 U CN 210566409U
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- Prior art keywords
- pneumatic
- valve
- ball valve
- pneumatic actuator
- extrusion spring
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Abstract
The utility model discloses a pneumatic rotation ball valve, including pneumatic actuator casing, the stake of admitting air, the stake of giving vent to anger, second extrusion spring, piston rack, transmission pinion, valve body and valve ball, the valve body is installed to the bottom of pneumatic actuator casing, the internally mounted of pneumatic actuator casing has the transmission pinion. The utility model discloses in, at first, drive the elasticity helical pitch compression of backup pad to second extrusion spring through rotating the screw thread loop bar, thereby the elasticity of second extrusion spring in certain length has been promoted, and simultaneously, extrude to the direction of piston rack through pole in the screw thread, thereby control piston rack to the gliding maximum helical pitch in both sides, thereby the flow of control pneumatic ball valve, the problem that pneumatic ball valve is sealed incomplete and regulatory function is poor has been solved from this, secondly, because first extrusion spring extrudees elastic seal circle, thereby mend the loss to elastic seal circle wearing and tearing department, thereby pneumatic ball valve's sealing performance has been promoted.
Description
Technical Field
The utility model relates to a pneumatic ball valve technical field especially relates to a pneumatic rotation ball valve.
Background
The ball valve that joins in marriage pneumatic actuator on the ball valve is called pneumatic ball valve, and pneumatic ball valve concrete classification has: stainless steel pneumatic ball valves, plastic pneumatic ball valves, sanitary pneumatic ball valves, carbon steel pneumatic ball valves, two-way pneumatic ball valves, three-way pneumatic ball valves, four-way pneumatic ball valves.
However, the existing pneumatic ball valve still has the defects that: firstly, the extrusion spring in the pneumatic actuator of pneumatic ball valve leads to spring force to descend after long-time use easily, thereby lead to the piston rack in the pneumatic actuator to promote the transmission shaft rate of gyration and reduce or the transmission shaft gyration is not in place, thereby lead to the ball valve to close incompletely, there is the incomplete problem of pneumatic ball valve closure, secondly, current pneumatic ball valve is mostly through sealing washer and valve ball surface in close contact with, thereby prevent that valve ball and valve body handing-over department from leaking, nevertheless the valve ball can lead to the sealing washer waterproof performance to reduce after wearing and tearing for a long time with the sealing washer, there is the poor problem of leakproofness.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the pneumatic rotary ball valve is provided for solving the problems of incomplete closing and poor sealing performance of the pneumatic ball valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pneumatic rotary ball valve comprises a pneumatic actuator shell, an air inlet pile, an air outlet pile, a second extrusion spring, a piston rack, a transmission gear shaft, a valve body and a valve ball, wherein the valve body is installed at the bottom of the pneumatic actuator shell, the transmission gear shaft is installed inside the pneumatic actuator shell, the valve ball is fixedly connected to the bottom of the transmission gear shaft, two groups of piston racks which are in meshing transmission with the transmission gear shaft are arranged on the inner side of the pneumatic actuator shell, threaded sleeve rods which are connected in a threaded screwing mode through threads are arranged on two sides of the pneumatic actuator shell, the threaded sleeve rods are of an inner hollow structure, threads are arranged on the inner sides of the threaded sleeve rods, the inner sides of the threaded sleeve rods are connected with threaded inner rods in a threaded screwing mode through threads, the side end faces of the threaded sleeve rods are rotatably connected with supporting plates through bearing sleeves, and two groups of supporting columns which penetrate through the supporting, and a second extrusion spring is sleeved between the support plate and the piston rack on the outer end face of the support column.
As a further description of the above technical solution:
the valve comprises a valve body and a valve ball, wherein the inner side of the valve body and the inner side of the valve ball are provided with two groups of mounting grooves with side sections in an annular structure, and the inner sides of the mounting grooves are provided with elastic sealing rings.
As a further description of the above technical solution:
the inboard outside that is located the mounting groove of valve body has seted up the extending groove, the inboard slip of extending groove has the slide bar, and the slide bar is close to one side and the elastic seal fixed connection of elastic seal circle.
As a further description of the above technical solution:
and a first extrusion spring is sleeved on the outer end face of the sliding rod between the elastic sealing ring and the valve body.
As a further description of the above technical solution:
two sets of chutes with annular structures on the auxiliary sections are arranged on the inner side of the valve ball, slide blocks are embedded on the inner sides of the chutes in a sliding manner, and one sides of the slide blocks, which are close to the elastic sealing rings, are fixedly connected with the elastic sealing rings.
As a further description of the above technical solution:
and the front end surface of the pneumatic actuator shell is provided with an air inlet pile and an air outlet pile which are communicated with the inner side of the piston rack.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, when the inboard second extrusion spring elasticity of pneumatic actuator casing descends, through rotating the screw thread loop bar, drive the backup pad and extrude to piston rack direction, thereby extrude the spring compression with the second, elasticity helical pitch through compressing second extrusion spring, thereby the elasticity of second extrusion spring in certain length has been promoted, and simultaneously, because the setting of pole in the screw thread, through rotating the pole in the screw thread, make the pole extrudees to piston rack's direction in the screw thread, thereby control piston rack to the gliding maximum helical pitch in both sides, thereby control transmission tooth axle pivoted angle, further control pneumatic ball valve's circulation, the problem of pneumatic ball valve seal incomplete and regulatory function difference has been solved from this.
2. The utility model discloses in, through the extrusion of first extrusion spring to elastic seal circle to make elastic seal circle closely laminate with the juncture of valve body and valve ball, after elastic seal circle owing to use wearing and tearing for a long time, because first extrusion spring extrudees elastic seal circle, thereby mend the loss to elastic seal circle wearing and tearing department, thereby promoted pneumatic ball valve's sealing performance.
Drawings
Fig. 1 shows a schematic structural diagram of a pneumatic rotary ball valve according to an embodiment of the present invention;
figure 2 shows a schematic diagram of a cross-sectional view of a valve body provided in accordance with an embodiment of the present invention;
fig. 3 shows a schematic diagram of a partial enlarged view at a provided according to an embodiment of the present invention;
FIG. 4 illustrates a schematic diagram of a cross-sectional top view of a pneumatic actuator housing provided in accordance with an embodiment of the present invention;
fig. 5 shows a schematic view of a connection structure of a threaded sleeve rod and a threaded inner rod according to an embodiment of the present invention.
Illustration of the drawings:
1. a pneumatic actuator housing; 2. an air inlet pile; 3. an air outlet pile; 4. a transmission gear shaft; 5. a threaded rod; 6. a threaded inner rod; 7. a valve body; 8. a valve ball; 9. mounting grooves; 10. an extension groove; 11. a chute; 12. a slider; 13. an elastic sealing ring; 14. a slide bar; 15. a first pressing spring; 16. a piston rack; 17. a support pillar; 18. a support plate; 19. a second pressing spring.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a pneumatic rotary ball valve comprises a pneumatic actuator shell 1, an air inlet pile 2, an air outlet pile 3, a second extrusion spring 19, a piston rack 16, a transmission gear shaft 4, a valve body 7 and a valve ball 8, wherein the bottom of the pneumatic actuator shell 1 is provided with the valve body 7, the transmission gear shaft 4 is arranged inside the pneumatic actuator shell 1, the bottom of the transmission gear shaft 4 is fixedly connected with the valve ball 8, the inner side of the pneumatic actuator shell 1 is provided with two groups of piston racks 16 which are meshed with the transmission gear shaft 4 for transmission, two sides of the pneumatic actuator shell 1 are respectively provided with a threaded sleeve rod 5 which is connected through threaded screwing and has an internal hollow structure, the inner side of the threaded sleeve rod 5 is provided with threads, the inner side of the threaded sleeve rod 5 is connected with a threaded inner rod 6 through threaded screwing, the side end face of the threaded sleeve rod 5 is rotatably connected with a supporting plate 18 through a bearing sleeve, the side end face of the piston rack 16 is fixedly connected with two groups, the outer end face of the supporting column 17 is sleeved with a second extrusion spring 19 between the supporting plate 18 and the piston rack 16, the supporting plate 18 is driven to move towards the piston rack 16 by rotating the threaded sleeve rod 5, the threaded sleeve rod 5 is rotationally connected with the supporting plate 18 through a bearing sleeve, so that the supporting plate 18 is prevented from rotating along with the rotation of the threaded sleeve rod 5, the supporting plate 18 extrudes the second extrusion spring 19, the lead of the second extrusion spring 19 is compressed, the elasticity of the second extrusion spring 19 in a certain lead is improved, the problem that the transmission gear shaft 4 does not rotate completely due to the reduction of the elasticity after the second extrusion spring 19 is used for a long time is solved, the threaded inner rod 6 is driven to move towards the piston rack 16 by rotating the threaded inner rod 6 through the arrangement of the threaded inner rod 6, and the maximum lead of the piston rack 16 sliding towards two sides is controlled, thereby controlling the maximum angle of rotation of the transmission gear shaft 4 and the valve ball 8 and further controlling the flow rate of two sides of the pneumatic ball valve.
Specifically, as shown in fig. 2 and 3, two sets of mounting grooves 9 with annular side cross-sections are formed on the inner sides of the valve body 7 and the valve ball 8, an elastic sealing ring 13 is arranged on the inner side of the mounting groove 9, an extension groove 10 is formed on the inner side of the valve body 7 on the outer side of the mounting groove 9, a slide rod 14 is slidably inserted into the inner side of the extension groove 10, one side of the slide rod 14 close to the elastic sealing ring 13 is fixedly connected with the elastic sealing ring 13, a first extrusion spring 15 is sleeved on the outer end surface of the slide rod 14 between the elastic sealing ring 13 and the valve body 7, two sets of slide grooves 11 with annular sub-cross-sections are formed on the inner side of the valve ball 8, a slide block 12 is slidably inserted into the inner side of the slide groove 11, one side of the slide block 12 close to the elastic sealing ring 13 is fixedly connected with the elastic sealing ring 13, the elastic sealing ring 13 is, after the elastic sealing ring 13 is worn, the first extrusion spring 15 extrudes the elastic sealing ring 13, so that the worn part of the elastic sealing ring 13 is damaged, the sliding block 12 and the sliding groove 11 are arranged, the valve ball 8 is convenient to rotate, the first extrusion spring 15 is supported by the sliding rod 14, and the sliding rod 14 slides towards two sides by the arrangement of the extension groove 10.
Specifically, as shown in fig. 1, an air inlet pile 2 and an air outlet pile 3 which are communicated with the inner side of a piston rack 16 are installed on the front end face of a housing 1 of the pneumatic actuator, air is added to the inner side of the piston rack 16 through the air inlet pile 2 to drive the piston rack 16 to extrude towards two sides, and the piston rack 16 and a transmission gear shaft 4 are meshed for transmission so as to drive the transmission gear shaft 4 to rotate, thereby driving a valve ball 8 to rotate, thereby controlling the opening of the pneumatic ball valve, discharging air inside the piston rack 16 through the air outlet pile 3, and driving the piston rack 16 to extrude towards the opposite side by utilizing the extrusion force of a second extrusion spring 19, thereby controlling the closing of the pneumatic ball valve.
The working principle is as follows: when the pneumatic ball valve is used, gas is added to the inner side of the piston rack 16 through the gas inlet pile 2 to drive the piston rack 16 to extrude towards two sides, the piston rack 16 is meshed with the transmission gear shaft 4 for transmission, so that the transmission gear shaft 4 is driven to rotate, the valve ball 8 is driven to rotate, so that the opening of the pneumatic ball valve is controlled, the gas at the inner side of the piston rack 16 is discharged through the gas outlet pile 3, the piston rack 16 is driven to extrude towards the opposite side under the action of the extrusion force of the second extrusion spring 19, so that the closing of the pneumatic ball valve is controlled, the threaded sleeve rod 5 is rotated to drive the support plate 18 to move towards the piston rack 16, the threaded sleeve rod 5 is rotatably connected with the support plate 18 through the bearing sleeve, so that the support plate 18 is prevented from rotating along with the rotation of the threaded sleeve rod 5, the second extrusion spring 19 is extruded through the support plate 18, so that the, thereby improving the elastic force of the second extrusion spring 19 in a certain lead, solving the problem that the rotation of the transmission gear shaft 4 is incomplete because the elastic force of the second extrusion spring 19 is reduced after long-time use, through the arrangement of the threaded inner rod 6, the threaded inner rod 6 is driven to move towards the piston rack 16 by rotating the threaded inner rod 6, thereby controlling the maximum lead of the piston rack 16 sliding to both sides, thereby controlling the maximum angle of the rotation of the transmission gear shaft 4 and the valve ball 8, further controlling the flow rate of both sides of the pneumatic ball valve, extruding the elastic sealing ring 13 to one side of the valve ball 8 through the first extruding spring 15, thereby sealing the junction of the valve ball 8 and the valve body 7, when the elastic sealing ring 13 is worn, because the first extrusion spring 15 is to the extrusion of elastic sealing ring 13 to compensate the damage to the department that elastic sealing ring 13 weares and teares, thereby promoted pneumatic ball valve's leakproofness.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A pneumatic rotary ball valve comprises a pneumatic actuator shell (1), an air inlet pile (2), an air outlet pile (3), a second extrusion spring (19), a piston rack (16), a transmission gear shaft (4), a valve body (7) and a valve ball (8), and is characterized in that the valve body (7) is installed at the bottom of the pneumatic actuator shell (1), the transmission gear shaft (4) is installed inside the pneumatic actuator shell (1), the valve ball (8) is fixedly connected to the bottom of the transmission gear shaft (4), two groups of piston racks (16) which are meshed with the transmission gear shaft (4) for transmission are arranged on the inner side of the pneumatic actuator shell (1), two sides of the pneumatic actuator shell (1) are respectively provided with a threaded sleeve rod (5) which is connected through threaded screwing and is of an internal hollow structure, and the inner side of the threaded sleeve rod (5) is provided with threads, the inner side of the threaded sleeve rod (5) is connected with a threaded inner rod (6) in a threaded screwing mode through threads, the side end face of the threaded sleeve rod (5) is rotatably connected with a supporting plate (18) through a bearing sleeve, the side end face of the piston rack (16) is fixedly connected with two groups of supporting columns (17) penetrating through the supporting plate (18), and a second extrusion spring (19) is sleeved between the supporting plate (18) and the piston rack (16) on the outer end face of each supporting column (17).
2. A pneumatic rotary ball valve according to claim 1, wherein the valve body (7) and the valve ball (8) are provided with two sets of mounting grooves (9) with annular side sections, and the mounting grooves (9) are provided with elastic sealing rings (13) on the inner sides.
3. The pneumatic rotary ball valve according to claim 2, wherein an extension groove (10) is formed in the inner side of the valve body (7) and located on the outer side of the mounting groove (9), a slide rod (14) is slidably inserted into the inner side of the extension groove (10), and one side of the slide rod (14) close to the elastic sealing ring (13) is fixedly connected with the elastic sealing ring (13).
4. A pneumatic rotary ball valve according to claim 3, wherein the outer end surface of the sliding rod (14) between the elastic sealing ring (13) and the valve body (7) is sleeved with a first pressing spring (15).
5. The pneumatic rotary ball valve according to claim 2, wherein two sets of sliding grooves (11) with annular secondary cross-sections are formed in the inner side of the valve ball (8), a sliding block (12) is slidably inserted into the inner side of each sliding groove (11), and one side of each sliding block (12) close to the elastic sealing ring (13) is fixedly connected with the elastic sealing ring (13).
6. A pneumatic rotary ball valve according to claim 1, wherein the front end face of the pneumatic actuator housing (1) is provided with an air inlet pile (2) and an air outlet pile (3) which are communicated with the inner side of the piston rack (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921723042.2U CN210566409U (en) | 2019-10-15 | 2019-10-15 | Pneumatic rotary ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921723042.2U CN210566409U (en) | 2019-10-15 | 2019-10-15 | Pneumatic rotary ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210566409U true CN210566409U (en) | 2020-05-19 |
Family
ID=70661543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921723042.2U Expired - Fee Related CN210566409U (en) | 2019-10-15 | 2019-10-15 | Pneumatic rotary ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210566409U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576777A (en) * | 2020-12-18 | 2021-03-30 | 玖隆阀门有限公司 | Novel pneumatic ball valve |
| CN113007377A (en) * | 2021-02-20 | 2021-06-22 | 浙江伯特利科技股份有限公司 | Rotary pneumatic actuator |
| CN114600861A (en) * | 2022-04-19 | 2022-06-10 | 杭州两仪科技有限公司 | Pressurization plant protection unmanned aerial vehicle case of giving medicine to poor free of charge of pneumatic stirring |
| CN114673800A (en) * | 2022-03-22 | 2022-06-28 | 亚登阀门管件有限公司 | Stainless steel ball valve capable of independently controlling opening and closing valve ports and method |
-
2019
- 2019-10-15 CN CN201921723042.2U patent/CN210566409U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576777A (en) * | 2020-12-18 | 2021-03-30 | 玖隆阀门有限公司 | Novel pneumatic ball valve |
| CN113007377A (en) * | 2021-02-20 | 2021-06-22 | 浙江伯特利科技股份有限公司 | Rotary pneumatic actuator |
| CN113007377B (en) * | 2021-02-20 | 2023-01-31 | 浙江伯特利科技股份有限公司 | Rotary pneumatic actuator |
| CN114673800A (en) * | 2022-03-22 | 2022-06-28 | 亚登阀门管件有限公司 | Stainless steel ball valve capable of independently controlling opening and closing valve ports and method |
| CN114673800B (en) * | 2022-03-22 | 2023-07-11 | 亚登阀门管件有限公司 | Stainless steel ball valve capable of independently controlling switch valve port and method |
| CN114600861A (en) * | 2022-04-19 | 2022-06-10 | 杭州两仪科技有限公司 | Pressurization plant protection unmanned aerial vehicle case of giving medicine to poor free of charge of pneumatic stirring |
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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: 20200519 Termination date: 20201015 |