CN213017840U - High-precision pneumatic abrasion-resistant ball valve - Google Patents
High-precision pneumatic abrasion-resistant ball valve Download PDFInfo
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- CN213017840U CN213017840U CN202021877914.3U CN202021877914U CN213017840U CN 213017840 U CN213017840 U CN 213017840U CN 202021877914 U CN202021877914 U CN 202021877914U CN 213017840 U CN213017840 U CN 213017840U
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Abstract
The utility model discloses a pneumatic abrasion-proof ball valve of high accuracy, including valve body and pneumatic means, the valve body both sides all are equipped with the valve gap, the valve gap is close to spheroid one side and is equipped with disc spring, the disc spring opposite side is equipped with the device and seals the pad, two equal fixed connection connecting rods of lower extreme on the spheroid, the connecting rod all rotates through the bearing with valve body and first box and is connected, the connecting rod is located the first gear of one side fixed connection in the first box, pneumatic means below and dwang fixed connection, both ends all are equipped with first gear assorted second gear about the dwang. This kind of pneumatic abrasion-proof ball valve of high accuracy, through the cooperation between pneumatic means and the gear, the connecting rod at both ends rotates about driving the valve body to both ends rotate simultaneously about making the spheroid, guarantee control accuracy, belleville spring makes sealed the pad automatic filling when sealed pad receives wearing and tearing simultaneously, reaches sealed effect.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a pneumatic abrasion ball valve of high accuracy.
Background
In China, the pneumatic ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a significant role in national economy. The pneumatic ball valve is a ball valve matched with a pneumatic actuator, the pneumatic actuator has high execution speed and is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, so the pneumatic ball valve is also called as a pneumatic quick cutting-off ball valve. In the prior art, the pneumatic ball valve is controlled by a single pneumatic actuator, certain deviation is easily generated during rotation of the ball valve, the pressure applied to a valve rod is large, the connection part of the valve rod and the ball valve is easily loosened, and the control precision is further influenced; meanwhile, the ball valve frequently rubs against the valve body, and after the ball valve is used for a long time, the inner wall of the valve body can be seriously abraded, so that leakage is caused. Therefore, a high-precision pneumatic abrasion-resistant ball valve is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pneumatic abrasion-resistant ball valve of high accuracy to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-precision pneumatic abrasion-resistant ball valve comprises a valve body and a pneumatic device, wherein valve covers are arranged on two sides of the valve body, the valve body is fixedly connected with the valve covers through bolts, a ball body is arranged in the middle of the valve body, a through groove is formed in the middle of the ball body, a fluid groove matched with the through groove is formed in the middle of the valve cover, a disc spring is arranged on one side, close to the ball body, of the valve cover, a sealing gasket is arranged on the other side of the disc spring, the upper side and the lower side of the valve body are fixedly connected with a first box body, two connecting rods are fixedly connected to the upper end and the lower end of the ball body and sequentially penetrate through the valve body and the first box body, the connecting rods are rotatably connected with the valve body and the first box body through bearings, a;
two supports of second box top fixed connection symmetry, support top fixed connection pneumatic means, pneumatic means below and dwang fixed connection, dwang second box just passes through the bearing rotation with the second box and is connected, both ends all are equipped with the second gear with first gear assorted about the dwang.
Preferably, the contact surfaces of the valve body and the valve cover are both provided with sealing gaskets, and the sealing gaskets are metal gaskets.
Preferably, the support is L-shaped, and openings of the L-shaped support are arranged oppositely downwards.
Compared with the prior art, the beneficial effects of the utility model are that: this kind of pneumatic abrasion-proof ball valve of high accuracy, through the cooperation between pneumatic means and the gear, the connecting rod at both ends rotates about driving the valve body to both ends rotate simultaneously about making the spheroid, guarantee control accuracy, belleville spring makes sealed the pad automatic filling when sealed pad receives wearing and tearing simultaneously, reaches sealed effect.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is a right side view of the present invention;
in the figure: the valve comprises a valve body 1, a valve cover 2, a bolt 3, a ball 4, a through groove 5, a sealing gasket 6, a connecting rod 7, a first box 8, a first gear 9, a second gear 10, a belleville spring 11, a sealing gasket 12, a bracket 13, a pneumatic device 14, a rotating rod 15, a fluid groove 16 and a second box 17.
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.
Referring to fig. 1-2, the present invention provides a technical solution: a high-precision pneumatic abrasion-resistant ball valve comprises a valve body 1 and a pneumatic device 14, wherein valve covers 2 are arranged on two sides of the valve body 1, the valve body 1 is fixedly connected with the valve cover 2 through a bolt 3, the middle part of the valve body 1 is provided with a ball body 4, a through groove 5 is arranged in the middle of the ball body 4, a fluid groove 16 matched with the through groove 5 is arranged in the middle of the valve cover 2, one side of the valve cover 2 close to the ball 4 is provided with a butterfly spring 11, the other side of the butterfly spring 11 is provided with a sealing gasket 12, the upper side and the lower side of the valve body 1 are both fixedly connected with a first box body 8, the upper end and the lower end of the ball body 4 are both fixedly connected with a connecting rod 7, the connecting rod 7 penetrates through the valve body 1 and the first box body 8 in sequence, the connecting rod 7 is rotatably connected with the valve body 1 and the first box body 8 through bearings, and a second box body 17 communicated with the first box body 8 is arranged on one side of the first box body 8, and the connecting rod 7 is positioned in the first box body 8 and is fixedly connected with the first gear 9 on one side.
Two supports 13 of second box 17 top fixed connection symmetry, support 13 top fixed connection pneumatic means 14, pneumatic means 14 below and dwang 15 fixed connection, dwang 15 second box 17 just passes through the bearing rotation with second box 17 and is connected, both ends all are equipped with the second gear 10 with first gear 9 assorted about dwang 15.
Specifically, the utility model discloses in, sealed pad 12 seals up spheroid 4 and valve gap 2 contact surface, when sealed pad 12 wearing and tearing, disc spring 11's elasticity compresses tightly sealed pad 12 and spheroid 4 once more, reach sealed effect, pneumatic means drives the second gear 10 rotation at dwang 15 both ends, also rotate thereupon with first gear 9 of second gear 10 meshing, thereby it rotates simultaneously to drive connecting rod 7 at spheroid 4 upper and lower both ends, the torsion of equidirectional is applyed to spheroid 4 simultaneously to two directions, make spheroid 4 rotate, spheroid 4 pivoted uniformity has been guaranteed, the rotation precision has been increaseed.
Further, the contact surfaces of the valve body 1 and the valve cover 2 are both provided with a sealing gasket 6, the sealing gasket 6 is a metal gasket, and the sealing gasket 6 ensures the sealing performance between the valve body 1 and the valve cover 2.
Further, the bracket 13 is L-shaped, and the openings of the L-shaped bracket 13 are opposite to each other.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a pneumatic abrasion-proof ball valve of high accuracy, includes valve body (1) and pneumatic means (14), its characterized in that: the valve comprises a valve body (1), wherein valve covers (2) are arranged on two sides of the valve body (1), the valve body (1) is fixedly connected with the valve covers (2) through bolts (3), a ball body (4) is arranged in the middle of the valve body (1), a through groove (5) is formed in the middle of the ball body (4), a fluid groove (16) matched with the through groove (5) is formed in the middle of the valve cover (2), a disc spring (11) is arranged on one side, close to the ball body (4), of the valve cover (2), a sealing gasket (12) is arranged on the other side of the disc spring (11), first boxes (8) are fixedly connected with the upper side and the lower side of the valve body (1), connecting rods (7) are fixedly connected with the upper end and the lower end of the ball body (4), the connecting rods (7) sequentially penetrate through the valve body (1) and the first boxes (8, a second box body (17) communicated with the first box body (8) is arranged on one side of the first box body (8), and a first gear (9) is fixedly connected to one side of the connecting rod (7) positioned in the first box body (8);
two supports (13) of second box (17) top fixed connection symmetry, support (13) top fixed connection pneumatic means (14), pneumatic means (14) below and dwang (15) fixed connection, dwang (15) second box (17) just rotate through the bearing with second box (17) and be connected, both ends all are equipped with second gear (10) with first gear (9) assorted about dwang (15).
2. A high precision pneumatic abrasion resistant ball valve as claimed in claim 1, wherein: the valve is characterized in that sealing gaskets (6) are arranged on the contact surfaces of the valve body (1) and the valve cover (2), and the sealing gaskets (6) are metal gaskets.
3. A high precision pneumatic abrasion resistant ball valve as claimed in claim 1, wherein: the support (13) is L-shaped, and the openings of the L-shaped support (13) are arranged oppositely downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021877914.3U CN213017840U (en) | 2020-09-02 | 2020-09-02 | High-precision pneumatic abrasion-resistant ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021877914.3U CN213017840U (en) | 2020-09-02 | 2020-09-02 | High-precision pneumatic abrasion-resistant ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213017840U true CN213017840U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021877914.3U Active CN213017840U (en) | 2020-09-02 | 2020-09-02 | High-precision pneumatic abrasion-resistant ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213017840U (en) |
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2020
- 2020-09-02 CN CN202021877914.3U patent/CN213017840U/en active Active
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