CN112377661A

CN112377661A - Interchangeable structure for fixing ball valve handle and actuator

Info

Publication number: CN112377661A
Application number: CN202011250361.3A
Authority: CN
Inventors: 韩泽海; 牛超
Original assignee: Cnv Valve & Control Co inc
Current assignee: Cnv Valve & Control Co inc
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-02-19

Abstract

The invention relates to an interchangeable structure for fixing a ball valve handle and an actuator, which comprises a connecting support plate, wherein a first step, a second step, a third step and a fourth step are sequentially arranged at the central position of the connecting support plate from top to bottom, a limiting plate is connected to the top end of the second step, a connecting through hole and an ISO flange hole are formed in the top end of the first step, a bearing is arranged at the top end of the fourth step, the connecting through hole and the ISO flange hole are arranged on the same circle, a valve rod penetrates through the central positions of the bearing and the limiting plate, and a threaded hole is formed in the central position of the top end of the valve rod. The interchangeable structure of the fixed ball valve handle and the actuator has the advantages of improving the structure universality, reducing the cost, facilitating the dismounting operation and the like.

Description

Interchangeable structure for fixing ball valve handle and actuator

Technical Field

The invention relates to the technical field of fixed ball valves, in particular to an interchangeable structure of a handle and an actuator of a fixed ball valve.

Background

The switch operation mode of the fixed ball valve is generally divided into manual operation and automatic operation, wherein the manual operation comprises a handle, a gear box and the like, and the automatic operation comprises an electric head, a pneumatic head and the like. These operation modes are selected according to the torque of the valve or the requirements of customers, so that the fixed ball valve with the same specification has several different operation modes, and the different operation modes can affect the connection structure of the fixed ball valve and the actuator. The connection mode of the gear box, the electric head, the pneumatic head and the like and the fixed ball valve, and the joint of the handle and the fixed ball valve are designed according to a specific structure.

Usually, the connection between the valve and the actuator or between the valve and the handle needs to be designed in different structures. This increases the number of drawings for valve production and increases the management costs for the company.

To this end, we have developed an interchangeable structure for securing the handle and actuator of a ball valve to solve the above problems.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide an interchangeable structure for fixing a ball valve handle and an actuator, which has the advantages of improving the structural universality, reducing the cost, facilitating the disassembly and assembly operation and the like.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a fixed ball valve handle and executor interchangeable structure, includes a connection extension board, the central point department of putting of connecting the extension board is equipped with a fourth step slotted hole, fourth step slotted hole top-down is equipped with a first ladder, a second ladder, a third ladder and a fourth ladder in proper order, there is a limiting plate on the top of second ladder through the round pin hub connection, the top department of first ladder is equipped with a plurality of connect the via hole and an ISO flange hole, the top department of fourth ladder is equipped with a bearing, connect the via hole with ISO flange hole sets up on same circle, the bearing with the central point department of putting of limiting plate wears to be equipped with a valve rod, the top central point department of putting of valve rod is equipped with a screw hole, the valve rod pass through the key the screw hole with connect the via hole to a handle seat or an executor that T venturi tube column structure.

Preferably, in order to be connected with the valve downwards and upwards, the valve is connected with the driving mechanism, two first connecting holes and two second connecting holes are formed in the top end of the second step, the first connecting holes and the second connecting holes are arranged in axial symmetry by taking the valve rod as the center respectively, and the second connecting holes are connected to the valve through hexagon socket head bolts.

Preferably, in order to facilitate the positioning and the limiting of the limiting plate, two pin holes and an inferior arc groove are arranged at the top end of the limiting plate, the inferior arc groove is arranged at one side of the valve rod, and the pin shaft is inserted into the pin holes and the first connecting hole.

Preferably, in order to facilitate the limit of the opening and closing positions, the wrap angle of the inferior arc groove is 90 degrees.

Preferably, in order to facilitate the adjustment of the handle, the ISO flange hole is arranged in a wrap angle of the inferior arc groove.

Preferably, in order to facilitate connection of the driving mechanism, a valve rod key groove is formed in the side wall of the valve rod, the key is arranged in the valve rod key groove, and the bottom end of the key is inserted into the minor arc groove.

Preferably, in order to facilitate connection with the valve rod, a bottom hole is formed in the bottom of the handle seat, a fixing hole is formed in the top of the handle seat, a horizontal handle hole is formed in the side wall of the handle seat, a locking plate is arranged at the bottom of the handle hole, a locking hole is formed in the locking plate and connected with the ISO flange hole, the bottom hole is communicated with the fixing hole, and the inner diameter of the bottom hole is larger than the inner diameter of the fixing hole.

Preferably, in order to facilitate the key connection with the valve rod, a vertical second key groove is formed in the inner wall of the bottom hole, and the top end of the valve rod is sleeved with the bottom hole.

Preferably, in order to fix the top end of the valve rod with the valve seat conveniently, an outer hexagonal bolt is connected in the threaded hole and is pressed at the top end of the fixing hole through an elastic pad and a flat pad.

Preferably, in order to facilitate rotation of the handle seat, the valve is located at an opening and closing position, a steel pipe is horizontally inserted into the handle hole, a screw hole is formed in the top end of the handle hole, the steel pipe is fixed in the handle hole through a screw, and the screw is connected with the screw hole.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

1. the joint of the valve and the actuator or the handle is designed into a structure with the interchangeable actuator and handle, so that the universality of the valve structure is improved;

2. the number of drawings for valve production design is reduced, and the management cost of a company can be reduced;

3. the structure of valve commonality has reduced manufacturing cost, the dismouting operation of being convenient for.

Drawings

FIG. 1 is a front view of an interchangeable stationary ball valve handle and actuator construction according to the present invention;

FIG. 2 is a schematic structural view of the top end of the connecting support plate of the present invention;

FIG. 3 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 4 is a schematic structural view of the top end of a connecting support plate according to a first embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the figures and the embodiments.

Example one

Referring to fig. 1 to 4, an interchangeable structure for fixing a ball valve handle and an actuator comprises a connecting support plate 3, wherein a four-step stepped slot is formed in the center of the connecting support plate 3, and a first step 341, a second step 342, a third step 343 and a fourth step 344 are sequentially formed in the four-step stepped slot from top to bottom.

The top end of the second step 342 is connected with a limiting plate 2 through a pin 6. The first step 341 has 3 connecting through holes 31 and an ISO flange hole 32 at the top end thereof. A bearing 5 is provided at the top end of the fourth step 344. Connecting through hole 31 and ISO flange hole 32 set up on same circle to be the circumference and evenly arrange, bearing 5 wears to be equipped with a valve rod 1 with the central point department of putting of limiting plate 2, and the top central point department of putting of valve rod 1 is equipped with a screw hole 19, and valve rod 1 is connected to a handle seat 11 of T venturi tube tubular structure through key 4, screw hole 19 and connecting through hole 31.

Two first connection holes 38 and two second connection holes 39 are provided at the top end of the second step 342. The first connection hole 38 and the second connection hole 39 are axially symmetrically arranged around the valve rod 1, and the second connection hole 39 is connected to the valve through the hexagon socket head cap screw 7. The first connection hole 38 is connected to the restriction plate 2 by a pin 6.

The top end of the limiting plate 2 is provided with two pin holes 22 and an inferior arc groove 21, and the wrap angle of the inferior arc groove 21 is 90 degrees. The inferior arc groove 21 is provided at one side of the valve stem 1, and the pin shaft 6 is inserted into the pin hole 22 and the first connection hole 38. The ISO flange hole 32 is provided in the corner of the inferior arc groove 21.

The side wall of the valve rod 1 is provided with a valve rod key groove 15, a key 4 is arranged in the valve rod key groove 15, the bottom end of the key 4 is inserted into the minor arc groove 21, and the key 4 rotates in the minor arc groove 21 to control the opening of the valve.

The bottom of the handle base 11 is provided with a bottom hole 111, the top of the handle base 11 is provided with a fixing hole 112, and the side wall of the handle base 11 is provided with a horizontal handle hole 115. The bottom end of the handle hole 115 is provided with a locking plate 118, the locking plate 118 is provided with a locking hole 116, the locking hole 116 is connected with the ISO flange connecting hole 32, the bottom hole 111 is communicated with the fixing hole 112, and the inner diameter of the bottom hole 111 is larger than that of the fixing hole 112. A vertical second key groove 113 is formed in the inner wall of the bottom hole 111, and the bottom hole 111 is sleeved on the top end of the valve rod 1. The interchanging structure of the valve rod 1 improves the interchangeability of the valve structure.

In order to facilitate the fixing of the handle seat 11 and the top end of the valve rod 1, an outer hexagon bolt 8 is connected in the threaded hole 19, and the outer hexagon bolt 8 is pressed at the top end of the fixing hole 112 through an elastic pad 9 and a flat pad 10.

In order to facilitate the opening and closing of the valve, a steel pipe 13 is horizontally inserted into the handle hole 115. The top end of the handle hole 115 is provided with a screw hole 114, the steel tube 13 is fixed in the handle hole 115 through a screw 12, and the screw 12 is connected with the screw hole 114. The handle seat 11 is provided with a switch indication mark 117 near the screw 12, the end of the letter O is a closing end, the end of the letter C is an opening end, and the handle seat rotates counterclockwise to the closing end and rotates clockwise to the opening end.

The steel pipe 13 is rotated, the handle seat 11 is driven by the key 4 to rotate the valve rod 1, the key 4 rotates in the minor arc groove 21 to control the opening and closing of the valve, and when the valve is not adjusted, the lock hole 116 and the ISO flange hole 32 are locked through a lock.

Example two

In fig. 5, except that the valve rod 1 is connected to the handle seat 11, the rest of the structure and the size are the same as those of the first embodiment, the valve rod 1 is connected to an actuator 14 through a key 4, a threaded hole 19 and a connecting through hole 31, a connecting bolt 35 penetrates through the connecting through hole 31, and the connecting bolt 35 is connected with the bottom of the actuator 14 through a gasket 36 and a nut 37. The actuator 14 directly controls the rotation of the valve stem 1 and thus the opening and closing of the valve.

The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. The utility model provides a fixed ball valve handle and executor interchangeable structure which characterized in that: including a connection extension board, the central point department of putting of connecting the extension board is equipped with a fourth step slotted hole, fourth step slotted hole top-down is equipped with a first ladder, a second ladder, a third ladder and a fourth ladder in proper order, the top of second ladder has a limiting plate through the round pin hub connection, the top department of first ladder is equipped with a plurality of connect the via hole and an ISO flange hole, the top department of fourth ladder is equipped with a bearing, connect the via hole with ISO flange hole sets up on same circle, the bearing with the central point department of putting of limiting plate wears to be equipped with a valve rod, the top central point department of putting of valve rod is equipped with a screw hole, the valve rod pass through the key the screw hole with connect the via hole is connected to a handle seat or an executor of T venturi tube column structure.

2. The interchangeable stationary ball valve handle and actuator structure of claim 1, wherein the second step has two first connection holes and two second connection holes formed at a top end thereof, the first connection holes and the second connection holes being axially symmetrical with respect to the valve stem, respectively, and the second connection holes being connected to the valve by means of hexagon socket head cap bolts.

3. The interchangeable stationary ball valve handle and actuator structure of claim 2, wherein the limiting plate has two pin holes and a minor arc groove at the top end thereof, the minor arc groove being formed at one side of the valve stem, and the pin shaft being inserted into the pin holes and the first connecting hole.

4. The fixed ball valve handle and actuator interchangeable construction of claim 3 wherein the minor arc groove has a wrap angle of 90 °.

5. The fixed ball valve handle and actuator interchangeable construction of claim 4, wherein the ISO flange aperture is disposed within a corner of the minor arc groove.

6. The interchangeable stationary ball valve handle and actuator structure of claim 5, wherein the sidewall of the valve stem defines a valve stem keyway, the key being disposed in the valve stem keyway, the bottom end of the key being received in the minor arc groove.

7. The interchangeable structure for fixing a ball valve handle and an actuator according to claim 1, wherein a bottom hole is formed at a bottom end of the handle seat, a fixing hole is formed at a top end of the handle seat, a horizontal handle hole is formed in a side wall of the handle seat, a locking plate is formed at a bottom end of the handle hole, a locking hole is formed in the locking plate, the locking hole is connected with the ISO flange hole, the bottom hole is communicated with the fixing hole, and an inner diameter of the bottom hole is larger than an inner diameter of the fixing hole.

8. The interchangeable stationary ball valve handle and actuator structure of claim 7, wherein the bottom aperture defines a second vertical keyway in an inner wall thereof, the bottom aperture being disposed about the top end of the valve stem.

9. The fixed ball valve handle and actuator interchangeable structure of claim 7 wherein an outer hex bolt is attached within the threaded bore and is crimped at the top end of the fixed bore by a spring washer and a flat washer.

10. The interchangeable stationary ball valve handle and actuator structure of claim 7, wherein a steel tube is inserted horizontally into said handle hole, a threaded hole is formed at the top end of said handle hole, said steel tube is fixed in said handle hole by a screw, and said screw is connected to said threaded hole.