CN217927256U

CN217927256U - Pneumatic discharging ball valve

Info

Publication number: CN217927256U
Application number: CN202222077050.2U
Authority: CN
Inventors: 项炳博; 张炳坚; 林荣华; 傅家宏; 张凯; 汪建强
Original assignee: Zhitai Technology Group Co ltd
Current assignee: Zhitai Technology Group Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-11-29
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses a pneumatic blowing ball valve, which comprises a valve body, the executor, the upper portion support, the lower part support, the valve rod, spheroid and transmission assembly, transmission assembly includes the link, driving gear and driven gear, driven gear installs in the link and is connected with the valve rod, the driving gear both ends are all rotated and are provided with slider and slider orientation driven gear reciprocating motion with link sliding fit, be equipped with locking Assembly between upper portion support and the link, upper portion support is equipped with the fixed subassembly that is used for fixing this slider rather than between one of them slider, be equipped with locating component between another slider and the link, the output shaft and the driving gear constitution of executor are inserted and are joined in marriage the linkage. The utility model has the advantages of it is following and effect: the utility model discloses a valve of drive assembly ability adaptation different models has better commonality and practicality.

Description

Pneumatic discharging ball valve

Technical Field

The utility model relates to a valve, in particular to pneumatic blowing ball valve.

Background

The valve seat of the discharge ball valve is close to the end face flange, the material retention is less, the structure is compact, the sealing performance is excellent, and the discharge ball valve is used for the industries of fine chemical engineering, pharmacy, chemical engineering and the like and can also be used for conveying fine and soft particle media. PPL sealing material is adopted, and the wear-resisting property is better. The discharge ball valve is characterized in that a ball body with a circular channel is used as a starting and closing piece, and the ball body rotates along with a valve rod to realize the starting and closing actions.

A transmission assembly is connected between a valve rod and an actuator of an existing discharging ball valve, and comprises a connecting frame, a driving gear arranged on the connecting frame in a rotating mode and a driven gear arranged on the connecting frame in a rotating mode and meshed with the driving gear. Because the driving gear is fixed with the mounted position of driven gear on the link, fixed mounted position has injectd the center distance between two gears to restricted the size of mounted gear, including different models, different specifications and different operating mode demands are different to the required transmission torque of ball valve, lead to the unable adaptation ball valve of different demands of this kind of drive assembly, just so greatly restricted its application range, lead to its commonality relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pneumatic blowing ball valve, the valve of the different models of drive assembly ability adaptation of this pneumatic blowing ball valve has better commonality and practicality.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a pneumatic blowing ball valve, includes valve body, executor, sets up in the upper portion support of executor, sets up in the lower part support of valve body, installs in the valve rod of valve body, sets up in the valve body and with the spheroid that the valve rod is connected and the drive assembly of connecting upper portion support and lower part support, drive assembly includes link, driving gear and driven gear, driven gear installs in the link and is connected with the valve rod, the driving gear both ends are all rotated and are provided with slider and the slider of link sliding fit towards driven gear reciprocating motion, be equipped with locking Assembly between upper portion support and the link, be equipped with the fixed subassembly that is used for fixed this slider between upper portion support and one of them slider, another be equipped with locating component between slider and the link, the output shaft and the driving gear constitution of executor are inserted and are joined in marriage the linkage.

Through adopting above-mentioned technical scheme, according to different demands install the not unidimensional driving gear and the driven gear of adaptation in the operating mode on the link, adjust the center distance between driving gear and the driven gear between the two through the slider that slides, ensure driving gear and driven gear stable meshing between the two. After the position is adjusted, one of the sliding blocks is fixed through the positioning assembly, then the upper support is installed, the inserting and matching linkage of the output shaft of the actuator and the driving gear is realized, the locking assembly fixes the other sliding block through the fixing assembly in the process of fixing the upper support, and therefore the assembling and fixing operation of the driving gear and the actuator is synchronously completed. The transmission assembly can be adapted to valves of different models, and has better universality and practicability.

Further setting as follows: the sliding block comprises an upper guide groove and a lower guide groove which are formed in a connecting frame, and the two sliding blocks are arranged in the upper guide groove and the lower guide groove in a sliding mode respectively.

Through adopting above-mentioned technical scheme, the slip of two sliders is guided respectively with the lower part guiding groove to upper portion guiding groove, ensures driving gear and driven gear accurate cooperation between them, guarantees the accuracy and the stability of adjusting.

Further setting as follows: the fixing assembly comprises a fixing block fixedly arranged on the upper support and a fixing hole arranged on the sliding block and used for inserting the fixing block, and the sliding block is fixed by the fixing hole, the fixing block and the upper support in a matched mode.

Through adopting above-mentioned technical scheme, the upper portion support is fixed in the in-process of link with the fixed block insert the slip that the fixed orifices restricted the slider, avoids the slider to break away from the link through locking Assembly locking upper portion support after that to this realizes the firm installation to this slider, and this kind of mode structure is simple and convenient and need not to set up special fixed locking mechanism, and the cost is lower.

Further setting the following steps: the positioning assembly comprises a first waist-shaped hole, a first bolt and a first nut, wherein the first waist-shaped hole is formed in the connecting frame and extends along the sliding direction of the sliding block, the first bolt penetrates through the sliding block and the first waist-shaped hole, and the first nut is in threaded connection with the first bolt.

Through adopting above-mentioned technical scheme, the existence in first waist shape hole makes locating component can slide along with the slider and adjusts, after sliding the slider to required position, locks fixedly through first bolt and first nut cooperation between them to this reaches the fixed purpose of regulation.

Further setting the following steps: the locking assembly comprises a second waist-shaped hole, a second bolt and a second nut, wherein the second waist-shaped hole is formed in the connecting frame and extends along the sliding direction of the sliding block, the second bolt penetrates through the upper support and the second waist-shaped hole, and the second nut is in threaded connection with the second bolt, and the locking assembly is provided with multiple groups.

Through adopting above-mentioned technical scheme, the existence in second waist shape hole makes upper portion support can carry out slide adjusting along with the slider, after sliding the slider to required position, locks fixedly through the cooperation between second bolt and second nut to upper portion support to this reaches the fixed purpose of regulation.

Further setting the following steps: the gear transmission mechanism comprises a linkage block arranged on an output shaft and a linkage hole which is formed in a driving gear and matched with the linkage block in shape.

By adopting the technical scheme, the linkage block is inserted into the linkage hole to form steering linkage between the output shaft and the driving gear.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses a valve of drive assembly ability adaptation different models has better commonality and practicality.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a partial schematic structural view of an embodiment;

FIG. 3 is a partial exploded view of an embodiment;

fig. 4 is another partial exploded view of the embodiment.

In the figure: 1. a valve body; 2. an actuator; 3. an upper bracket; 4. a lower bracket; 5. a valve stem; 6. a sphere; 71. a connecting frame; 72. a driving gear; 73. a driven gear; 8. a slider; 9. a locking assembly; 91. a second waist-shaped aperture; 92. a second bolt; 93. a second nut; 10. a fixing assembly; 101. a fixed block; 102. a fixing hole; 11. a positioning assembly; 111. a first waist-shaped hole; 112. a first bolt; 113. a first nut; 12. an upper guide groove; 13. a lower guide groove; 14. a linkage hole; 15. a linkage block; 16. and an output shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, a pneumatic discharging ball valve includes a valve body 1, an actuator 2, an upper support 3 fixedly disposed on the actuator 2, a lower support 4 fixedly disposed on the valve body 1, a valve rod 5 mounted on the valve body 1, a ball 6 disposed in the valve body 1 and connected to the valve rod 5, and a transmission assembly connecting the upper support 3 and the lower support 4. The transmission assembly comprises a connecting frame 71 fixedly arranged on the lower support 4, a driving gear 72 and a driven gear 73, and the driven gear 73 is rotatably arranged on the connecting frame 71 and connected with the valve rod 5 to form steering linkage. The link 71 is formed with an upper guide groove 12 and a lower guide groove 13, the drive gear 72 is rotatably provided at both ends with sliders 8, and the two sliders 8 are slidably provided in the upper guide groove 12 and the lower guide groove 13, respectively, to reciprocate toward the driven gear 73.

A locking assembly 9 is arranged between the upper support 3 and the connecting frame 71, a fixing assembly 10 for fixing one sliding block 8 is arranged between the upper support 3 and the sliding block 8, a positioning assembly 11 is arranged between the other sliding block 8 and the connecting frame 71, and an output shaft 16 of the actuator 2 and the driving gear 72 form inserting and matching linkage. The gear transmission mechanism comprises a linkage hole 14 formed in a driving gear 72 and a linkage block 15 which is formed in an output shaft 16 and is matched with the linkage hole 14 in shape, wherein the end face of the linkage hole 14 is rectangular, the end face of the linkage block 15 is rectangular and is matched with the linkage hole 14, and the linkage block 15 and the output shaft 16 are integrally arranged.

The fixing assembly 10 includes a fixing block 101 integrally disposed on the upper bracket 3 and a fixing hole 102 disposed on the slider 8 for inserting the fixing block 101, and the fixing hole 102, the fixing block 101 and the upper bracket 3 cooperate to fix the slider 8. The positioning assembly 11 includes a first waist-shaped hole 111 provided in the connecting frame 71 and extending along the sliding direction of the slider 8, a first bolt 112 passing through the slider 8 and the first waist-shaped hole 111, and a first nut 113 screwed with the first bolt 112. The locking assembly 9 comprises a second slotted hole 91 which is arranged on the connecting frame 71 and extends along the sliding direction of the sliding block 8, a second bolt 92 which penetrates through the upper support 3 and the second slotted hole 91, and a second nut 93 which is in threaded connection with the second bolt 92, and multiple groups of locking assemblies 9 are arranged. The actuator 2 is prior art and is not within the scope of the present application, and the specific structure and its principles are not described.

The specific embodiments are only for explaining the present invention, and it is not a limitation to the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a pneumatic blowing ball valve, includes valve body (1), executor (2), sets up in upper portion support (3) of executor (2), sets up in lower part support (4) of valve body (1), installs in valve rod (5) of valve body (1), sets up in valve body (1) and spheroid (6) be connected with valve rod (5) and the transmission assembly who connects upper portion support (3) and lower part support (4), transmission assembly includes link (71), driving gear (72) and driven gear (73), driven gear (73) are installed in link (71) and are connected its characterized in that with valve rod (5): the driving gear (72) both ends all rotate be provided with link (71) sliding fit's slider (8) and slider (8) towards driven gear (73) reciprocating motion, be equipped with locking Assembly (9) between upper portion support (3) and link (71), be equipped with between upper portion support (3) and one of them slider (8) and be used for fixed subassembly (10) of this slider (8), another be equipped with locating component (11) between slider (8) and link (71), the output shaft (16) and driving gear (72) of executor (2) constitute to insert to join in marriage the linkage.

2. A pneumatic discharge ball valve according to claim 1, wherein: the connecting device comprises an upper guide groove (12) and a lower guide groove (13) which are formed in a connecting frame (71), and two sliding blocks (8) are respectively arranged in the upper guide groove (12) and the lower guide groove (13) in a sliding mode.

3. A pneumatic discharge ball valve according to claim 1, wherein: the fixing assembly (10) comprises a fixing block (101) fixedly arranged on the upper support (3) and a fixing hole (102) which is arranged on the sliding block (8) and is used for inserting the fixing block (101), and the fixing hole (102), the fixing block (101) and the upper support (3) are matched to fix the sliding block (8).

4. A pneumatic discharge ball valve according to claim 1, wherein: the positioning assembly (11) comprises a first kidney-shaped hole (111) which is arranged on the connecting frame (71) and extends along the sliding direction of the sliding block (8), a first bolt (112) which penetrates through the sliding block (8) and the first kidney-shaped hole (111) and a first nut (113) which is in threaded connection with the first bolt (112).

5. A pneumatic blow ball valve as in claim 1 wherein: locking Assembly (9) including set up in link (71) and along second waist shape hole (91) that slider (8) slip direction extends, pass second bolt (92) of upper portion support (3) and second waist shape hole (91) and with second bolt (92) threaded connection's second nut (93), locking Assembly (9) are provided with the multiunit.

6. A pneumatic discharge ball valve according to claim 1, wherein: comprises a linkage block (15) arranged on an output shaft (16) and a linkage hole (14) which is formed on a driving gear (72) and is matched with the linkage block (15) in shape.