CN209818857U - Ball valve protective cradle - Google Patents

Abstract

The utility model relates to a ball valve technical field just discloses a ball valve protective cradle, including the ball valve connecting plate, ball valve connecting plate lower surface is connected with the executor connecting plate through the balladeur train and the formula expansion bracket of cutting, and ball valve connecting plate upper surface horizontal central line intersection department has seted up first round hole, and executor connecting plate upper surface horizontal central line intersection department has seted up the second round hole, is connected with valve rod extension fixture between first round hole and the second round hole. This ball valve protecting bracket, through the formula expansion bracket of cutting that is equipped with for this protecting bracket's height can be adjusted, when pipeline medium temperature is higher, or the ball valve bubble when in liquid, avoids the executor to receive high temperature or other factors influence and lead to damaging, and this ball valve protecting bracket, through the valve rod extension fixture that is equipped with, can be used for extending the length of valve rod, and, valve rod extension fixture is length-adjustable structure, the operation of convenient height-adjusting.

Description

Ball valve protective cradle

Technical Field

The utility model relates to a ball valve technical field specifically is a ball valve protective cradle.

Background

The ball valve is a valve with an opening and closing part driven by a valve rod and rotating around the axis of the ball valve, can be used for adjusting and controlling fluid and is divided into the following parts according to the driving mode: pneumatic ball valve, electronic ball valve and manual ball valve in pneumatic ball valve and electronic ball valve, need to install devices such as pneumatic actuator and electric actuator usually, when medium temperature is higher, need use the support to separate executor and ball valve body, avoid high temperature to damage the executor to make valve life can obtain the extension.

Among the prior art, ball valve protective cradle length is fixed, can not adjust, when pipeline medium temperature is higher, can not be with the great a bit of distance adjustment between executor and the pipeline, simultaneously, when pipeline medium temperature is lower, also can not adjust the distance between executor and the pipeline and saved space, in addition, among the prior art, not be equipped with valve rod extension fixture in the support, when chooseing for use longer support, need change the ball valve rod, it is more troublesome.

Disclosure of Invention

Technical problem to be solved

The utility model provides a ball valve protecting bracket, possess advantages such as support height-adjustable festival, have valve rod extension fixture, solved and to have adjusted ball valve protecting bracket length and change the problem that the support needs to be changed the ball valve rod.

(II) technical scheme

For the purpose that realizes above-mentioned support height-adjustable, have valve rod extension fixture, the utility model provides a following technical scheme: a ball valve protection support comprises a ball valve connecting plate, wherein the lower surface of the ball valve connecting plate is connected with an actuator connecting plate through a sliding frame and a scissor type expansion bracket, a first round hole is formed in the horizontal center line intersection point of the upper surface of the ball valve connecting plate, a second round hole is formed in the horizontal center line intersection point of the upper surface of the actuator connecting plate, a valve rod extending device is connected between the first round hole and the second round hole, the valve rod extending device is provided with a first rotating shaft, a first expansion joint, a second expansion joint, a third expansion joint and a second rotating shaft, the first rotating shaft is welded with the first expansion joint, the second rotating shaft is welded with the third expansion joint, the second expansion joint is embedded between the first expansion joint and the third expansion joint, a valve rod extending rod is welded on the upper surface of the first rotating shaft, a clamping hole is formed in the lower surface of the second rotating shaft in a penetrating manner, first sliding ports are formed in the vertical surface of, a plurality of first bolts are connected in the first sliding openings in a sliding mode, extend to the second expansion joint and are in threaded connection with the second expansion joint.

Preferably, the number of the sliding frames is two, and the two sliding frames are respectively welded with the lower surface of the ball valve connecting plate and the upper surface of the actuator connecting plate.

Preferably, the sliding frame is of a round-corner rectangular structure, and a second sliding opening and a third round hole are formed in the four vertical faces in a penetrating mode.

Preferably, the number of the scissor type telescopic frames is four, and four end points of each scissor type telescopic frame are rotatably connected with sliding rods.

Preferably, each scissor type telescopic frame is provided with two sliding rods which are rotatably connected with the third round hole, and the other two sliding rods are slidably connected with the second sliding opening.

Preferably, the first rotating shaft and the second rotating shaft are respectively and rotatably connected with the ball valve connecting plate and the actuator connecting plate.

Preferably, corresponding notches are formed in the ball valve connecting plate and the actuator connecting plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a ball valve protective cradle possesses following beneficial effect:

1. this ball valve protection support through the formula expansion bracket of cutting that is equipped with for this protection support's height can be adjusted, when pipeline medium temperature is higher, or when the ball valve bubble was in liquid, can be in the height of certain limit adjustment executor, avoids the executor to receive high temperature or other factors influences and lead to damaging.

2. This ball valve protective cradle through the valve rod extension fixture that is equipped with, can be used for extending the length of valve rod to, valve rod extension fixture is length-adjustable structure, cuts formula expansion bracket altitude mixture control back, can need not change the valve rod in the ball valve, makes things convenient for height-adjusting's operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the valve rod extension device of the present invention;

FIG. 3 is a schematic view of the connection structure of the sliding frame and the scissor type telescopic frame of the present invention;

FIG. 4 is a schematic structural view of the ball valve connecting plate of the present invention;

fig. 5 is a schematic diagram of the structure of the actuator connecting plate of the present invention.

In the figure: 1. a ball valve connecting plate; 11. a first circular hole; 2. a valve stem extension means; 21. a valve rod extension rod; 22. a first rotating shaft; 23. a first sliding port; 24. a first expansion joint; 25. a second expansion joint; 26. a third expansion joint; 27. a bolt; 28. a second rotating shaft; 29. a clamping hole; 3. a scissor type telescopic frame; 4. a carriage; 5. an actuator connecting plate; 51. a second circular hole; 6. a second sliding port; 7. a third circular hole; 8. a slide bar.

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. 1-5, a ball valve protection bracket comprises a ball valve connection plate 1 for mounting a ball valve, an actuator connection plate 5 connected to a lower surface of the ball valve connection plate 1 through a sliding frame 4 and a scissor type telescopic frame 3 for a pneumatic actuator, an electric actuator, etc., a first circular hole 11 formed at an intersection of a horizontal center line of an upper surface of the ball valve connection plate 1, a second circular hole 51 formed at an intersection of a horizontal center line of an upper surface of the actuator connection plate 5, a valve rod extension device 2 connected between the first circular hole 11 and the second circular hole 51 for sheathing a valve rod of the ball valve and connecting the top of the ball valve rod with the actuator in a snap-fit manner to extend the length of the valve rod, the valve rod extension device 2 comprising a first rotation shaft 22, a first telescopic joint 24, a second telescopic joint 25, a third telescopic joint 26 and a second rotation shaft 28, wherein the first rotation shaft 22 is welded to the first telescopic joint 24, the second telescopic joint 25 is embedded between the first telescopic joint 24 and the third telescopic joint 26, the first telescopic joint 24, the second telescopic joint 25 and the third telescopic joint 26 are all of a square tube structure, the slippage phenomenon is prevented when the telescopic joints rotate, a valve rod extension rod 21 is welded on the upper surface of the first rotating shaft 22, a clamping hole 29 is formed in the lower surface of the second rotating shaft 28 in a penetrating mode, when the telescopic device is used, the valve rod extension rod 21 is inserted into an actuator, a valve rod of a ball valve is inserted into the clamping hole 29, the actuator is convenient to control a valve rod of the ball valve through the valve rod extension device 2, first sliding ports 23 are formed in the vertical surface of the first telescopic joint 24 and the vertical surface of the third telescopic joint 26, first bolts 27 are connected in the first sliding ports 23 in a sliding mode, the first bolts 27 extend to the second telescopic joint 25 and are in threaded connection with the second telescopic joint 25, the valve rod extension device 2 is of a length-adjustable structure, after the height of the scissor type telescopic frame 3, the valve rod in the ball valve does not need to be replaced, the height adjustment operation is convenient, meanwhile, the length of the valve rod extension device 2 can be limited by the first sliding port 23 and the first bolt 27, and the sliding of the telescopic joint caused by overlarge pulling amplitude is avoided.

Furthermore, the number of the sliding frames 4 is two, and the two sliding frames 4 are respectively welded with the lower surface of the ball valve connecting plate 1 and the upper surface of the actuator connecting plate 5 and used for installing the scissor type telescopic frame 3, so that the length of the scissor type telescopic frame 3 can be conveniently adjusted.

Further, balladeur train 4 is fillet rectangle structure, and four facades have all run through and have seted up second sliding port 6 and third round hole 7, and four third round holes 7 are located four corners respectively for after 3 elongations of formula of cutting telescopic frame, can prop up four corners of balladeur train 4, make this supporting structure more steady.

Furthermore, the number of the scissor type telescopic frames 3 is four, four end points of each scissor type telescopic frame 3 are rotatably connected with a sliding rod 8, the sliding rods are of 8-bit cylindrical structures, and nuts are in threaded connection with two ends of each scissor type telescopic frame, so that the scissor type telescopic frames 3 can be prevented from sliding off the sliding frame 4.

Furthermore, each scissor type telescopic frame 3 is provided with two sliding rods 8 which are rotatably connected with the third round hole 7, and the other two sliding rods are slidably connected with the second sliding port 6, so that the scissor type telescopic frames 3 can be lengthened or compressed stably.

Further, the first rotating shaft 22 and the second rotating shaft 28 are respectively rotatably connected with the ball valve connecting plate 1 and the actuator connecting plate 5, so that the valve rod extending device 2 can stably rotate when the control unit of the actuator controls the valve rod to rotate.

Further, corresponding notches are formed in the ball valve connecting plate 1 and the actuator connecting plate 5, and the ball valve and the actuator are convenient to install.

The working principle is as follows: when the ball valve protection bracket is used, firstly, the ball valve connecting plate 1 and the actuator connecting plate 5 are respectively connected with a ball valve and an actuator through screws and nuts, when the ball valve connecting plate and the actuator connecting plate are connected, a valve rod of the ball valve extends into the clamping hole 29, a valve rod extension rod 21 is inserted into the corresponding position of the actuator, secondly, the actuator is lifted upwards or pressed downwards, in the process of moving the actuator, the second expansion joint 25 moves in the first expansion joint 24 or the third expansion joint 26, the first bolt 27 slides in the first sliding opening 23, at the moment, the height of the scissor type expansion bracket 3 is changed, the slide rod 8 positioned at the second sliding opening 6 slides in the second sliding opening 6, when the actuator is positioned at a proper height, the nut on the slide rod 8 is locked, at the moment, the slide rod 8 cannot move in the second sliding opening 6, the length of the scissor type expansion bracket 3 is not changed any more, and meanwhile, the first bolt 27 in the first sliding opening 23 can be screwed down, thereby make direct structure more firm, just accomplish the height-adjusting process this moment, at last, when using, the executor drives valve rod extension fixture 2 and ball valve rod and rotates to accomplish the control that opens and shuts of ball valve.

In conclusion, the ball valve protection bracket has the advantages that the height of the protection bracket can be adjusted through the scissor type telescopic frame 3, when the temperature of a pipeline medium is high, or the ball valve is soaked in liquid, the height of the actuator can be adjusted within a certain range, and the actuator is prevented from being damaged due to the influence of high temperature or other factors.

And, this ball valve protective cradle, through the valve rod extension fixture 2 that is equipped with, can be used for extending the length of valve rod to, valve rod extension fixture 2 is length-adjustable structure, after 3 altitude mixture control of formula expansion bracket cut, can needn't change the valve rod in the ball valve, the operation of convenient height-adjusting.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 (7)

1. The utility model provides a ball valve protective cradle, includes ball valve connecting plate (1), its characterized in that: the lower surface of the ball valve connecting plate (1) is connected with an actuator connecting plate (5) through a sliding frame (4) and a shear type telescopic frame (3), a first round hole (11) is formed in the horizontal central line intersection of the upper surface of the ball valve connecting plate (1), a second round hole (51) is formed in the horizontal central line intersection of the upper surface of the actuator connecting plate (5), a valve rod extending device (2) is connected between the first round hole (11) and the second round hole (51), the valve rod extending device (2) is provided with a first rotating shaft (22), a first telescopic joint (24), a second telescopic joint (25), a third telescopic joint (26) and a second rotating shaft (28), the first rotating shaft (22) is welded with the first telescopic joint (24), the second rotating shaft (28) is welded with the third telescopic joint (26), and the second telescopic joint (25) is embedded between the first telescopic joint (24) and the third telescopic joint (26), first pivot (22) upper surface welding has valve rod extension rod (21), second pivot (28) lower surface runs through and has seted up card hole (29), first slip cap (23) have all been seted up on first telescopic joint (24) facade and third telescopic joint (26) facade, and is a plurality of equal sliding connection has first bolt (27) in first slip cap (23), and first bolt (27) extend to second telescopic joint (25) department to with second telescopic joint (25) threaded connection.

2. A ball valve protective bracket according to claim 1, wherein: the sliding frames (4) are arranged in two, and the two sliding frames (4) are respectively welded with the lower surface of the ball valve connecting plate (1) and the upper surface of the actuator connecting plate (5).

3. A ball valve protective bracket according to claim 1, wherein: the sliding frame (4) is of a round-corner rectangular structure, and a second sliding opening (6) and a third round hole (7) are formed in the four vertical faces in a penetrating mode.

4. A ball valve protective bracket according to claim 1, wherein: the number of the scissor type telescopic frames (3) is four, and four end points of each scissor type telescopic frame (3) are rotatably connected with sliding rods (8).

5. A ball valve protective bracket according to claim 1, wherein: each scissor type telescopic frame (3) is provided with two sliding rods (8) which are rotatably connected with a third round hole (7), and the other two sliding rods are slidably connected with a second sliding port (6).

6. A ball valve protective bracket according to claim 1, wherein: the first rotating shaft (22) and the second rotating shaft (28) are respectively and rotatably connected with the ball valve connecting plate (1) and the actuator connecting plate (5).

7. A ball valve protective bracket according to claim 1, wherein: corresponding notches are formed in the ball valve connecting plate (1) and the actuator connecting plate (5).