CN117146037A - Valve operating device - Google Patents

Abstract

The application relates to the technical field of overhauling devices, in particular to a valve operating device, which comprises an installation assembly, a valve operating device and a valve operating device, wherein the installation assembly comprises a first installation shell and a second installation shell arranged at the rear end of the first installation shell, the first installation shell is circular, and square sliding grooves, connecting grooves and circular sliding grooves are formed in the first installation shell; the second installation shell is provided with a telescopic groove and a fixed groove; the rotating assembly comprises a sliding piece arranged on the square chute and a transmission piece arranged on the round chute, the sliding piece is in sliding connection with the transmission piece, the sliding piece comprises a claw head, and the claw head is arranged at the lower end of the sliding piece; the telescopic assembly comprises a telescopic rod, a fixing piece and a control piece, wherein the telescopic rod, the fixing piece and the control piece are arranged in the telescopic groove; the valve operating device solves the problems that the jaw spacing and the handle moment of the valve operating device are fixed, the jaw spacing and the handle moment cannot be flexibly adjusted, the valve operating device is suitable for valve operations of valves of different types and specifications and valve operating spaces, and the flexibility and the efficiency of the valve operations are affected.

Description

Valve operating device

Technical Field

The application relates to the technical field of overhauling devices, in particular to a valve operating device.

Background

The valve operating device is a special device for operating the valve, the design of the valve operating device has important significance for improving the operating efficiency, reducing the burden of operators and ensuring the operating safety, the types of the valve types of the power plant are various, the operating space is different in size, the valve operating devices of various types are required to be carried when the inspection personnel operate so as to adapt to different valve types and valve operating spaces, however, the power plant has various equipment, more stairs and climbing stairs, and if too many devices are carried to climb up and climb down, great hidden danger is caused for the safety of the inspection personnel. The existing valve operation has the problems that the jaw spacing and the handle moment of the valve operation device are fixed, the jaw spacing and the handle moment cannot be flexibly adjusted, and the valve operation device is suitable for valve operations of valves of different types and specifications and valve operation spaces and affects the valve operation flexibility and efficiency.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.

The application is provided in view of the problems that the gap between the claw heads and the moment of the handle of the valve operation device are fixed, the gap between the claw heads and the moment of the handle cannot be flexibly adjusted, and the valve operation device is suitable for valve operations of valves of different types and specifications and valve operation spaces, and affects the flexibility and the efficiency of the valve operation.

It is therefore an object of the present application to provide a valve operating device.

In order to solve the technical problems, the application provides the following technical scheme: the valve operating device comprises a mounting assembly, a first mounting shell and a second mounting shell, wherein the second mounting shell is arranged at the rear end of the first mounting shell, the first mounting shell is round, square sliding grooves, connecting grooves and round sliding grooves are formed in the first mounting shell, the square sliding grooves are formed in the lower end face of the first mounting shell, a plurality of the square sliding grooves are formed in the middle of the upper end wall of each square sliding groove, the number of the connecting grooves is matched with that of the square sliding grooves, and the round sliding grooves are formed in the upper end of each connecting groove and are communicated with the connecting grooves; the second installation shell is provided with a telescopic groove and a fixed groove, the telescopic groove is arranged in the middle of the second installation shell, the fixed groove is arranged on the side wall of the telescopic groove, and a plurality of fixed grooves are formed; the rotating assembly comprises a sliding piece arranged on the square chute and a transmission piece arranged on the round chute, the sliding piece is in sliding connection with the transmission piece, the sliding piece comprises a claw head, and the claw head is arranged at the lower end of the sliding piece; and the telescopic assembly comprises a telescopic rod arranged in the telescopic groove, a fixing piece and a regulating piece, wherein the telescopic rod is provided with a moving groove and a first groove, the moving groove is formed in the side wall of the telescopic rod, the first groove is formed in the front end of the telescopic rod and is communicated with the moving groove, the fixing piece is arranged in the moving groove, and the regulating piece is arranged in the first groove.

As a preferred embodiment of the valve operating device according to the present application, wherein: the sliding piece comprises a sliding rod, a sliding block and a connecting column, wherein the sliding rod is fixedly connected in a square sliding groove, the sliding block is in sliding connection with the sliding rod and slides in the square sliding groove, the claw head is fixedly connected to the lower end face of the sliding block, the lower end of the connecting column is fixedly connected with the upper end face of the sliding block, and the upper end of the connecting column penetrates through the connecting groove.

As a preferred embodiment of the valve operating device according to the present application, wherein: the transmission piece is including setting up in the carousel of circular spout, fixed connection in the middle of the carousel and sliding connection at the sliding tooth of circular spout roof, the gear lower extreme is connected with circular spout diapire is articulated, and the gear upper end is connected with circular spout roof is articulated, sliding tooth cooperatees with the gear.

As a preferred embodiment of the valve operating device according to the present application, wherein: the turntable is provided with an arc-shaped slot hole, the connecting column penetrates through the arc-shaped slot hole, and the connecting column is connected with the arc-shaped slot hole in a sliding mode.

As a preferred embodiment of the valve operating device according to the present application, wherein: the sliding teeth comprise sliding blocks, teeth and inclined grooves, the sliding blocks are in sliding connection with the top wall of the circular sliding groove, the teeth are arranged at the front ends of the sliding blocks and meshed with the gears, and the inclined grooves are arranged on the right sides of the sliding blocks.

As a preferred embodiment of the valve operating device according to the present application, wherein: the fixed part comprises two fixed blocks and a pressure spring, wherein the fixed blocks are slidably connected with the movable groove, and the pressure spring is fixedly connected to the rear ends of the two fixed blocks.

As a preferred embodiment of the valve operating device according to the present application, wherein: the limiting ring is fixedly connected to the rear end of the fixed block, and the connecting hole is formed in the rear end of the fixed block.

As a preferred embodiment of the valve operating device according to the present application, wherein: the regulating and controlling piece comprises an inclined rod, a hinging rod, a connecting block and a pulling handle, wherein one end of the inclined rod is fixedly connected to the front end of the telescopic rod, the other end of the inclined rod penetrates through a chute of a sliding tooth and is in sliding connection with the sliding tooth, the front end of the hinging rod is in a connecting hole of a fixed block, the middle part of the hinging rod is hinged to a first groove through a hinging column, the two connecting blocks are arranged, the sliding connection of the connecting block is arranged at the rear end of the hinging rod, and the pulling handle is fixedly connected with the connecting block at the rear end.

As a preferred embodiment of the valve operating device according to the present application, wherein: the connecting block comprises a connecting block main body, second grooves and a sliding rod, wherein the connecting block main body is slidably connected to the side wall of the first groove, the second grooves are formed in two sides of the connecting block main body, the rear ends of the hinge columns are arranged in the second grooves, and the sliding rod is fixedly connected to the front ends of the connecting block main body.

As a preferred embodiment of the valve operating device according to the present application, wherein: the regulating and controlling piece still includes the rolling disc, the rolling disc is provided with two, and articulated connection is in first recess upper and lower wall respectively, sets up the oval groove on the rolling disc, and slide bar end sliding connection is in the oval groove.

The application has the beneficial effects that: through the installation component that sets up, be used for installing rotating assembly and flexible subassembly, through the flexible subassembly of setting, when pulling the telescopic link, realize the extension and the shrink of flexible subassembly, make flexible subassembly be in suitable moment, when flexible subassembly extension and shrink, can drive rotating assembly through the diagonal bar that sets up and rotate the shrink, thereby drive the claw head and slide, the claw head interval of having solved valve operating device and handle moment is fixed, can not nimble claw head interval and handle moment of adjusting, adapt to the valve operation of different grade type, specification valve and valve operating space, influence the flexibility and the efficient problem of valve operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic view of the overall structure of the valve operating device of the present application.

Fig. 2 is a schematic cross-sectional view of a valve operating device according to the present application.

Fig. 3 is a schematic diagram of a rotating assembly of the device for manufacturing the sealing rubber pad of the transformer.

Fig. 4 is a schematic diagram of a fixing member of the device for manufacturing a sealing rubber pad of a transformer.

Fig. 5 is an enlarged view at a in fig. 4.

FIG. 6 is a schematic view of a cut-away structure of a regulating member of a valve operating device of the present application.

Fig. 7 is an enlarged view at B in fig. 6.

Detailed Description

In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present application in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Example 1

Referring to fig. 1-5, for a first embodiment of the present application, a mounting assembly 100 is provided, which includes a first mounting housing 101 and a second mounting housing 102 disposed at a rear end of the first mounting housing 101, the first mounting housing 101 and the second mounting housing 102 are fixedly connected, the first mounting housing 101 is circular, the first mounting housing 101 is used for mounting a rotating assembly 200, a square chute 103, a connecting slot 104 and a circular chute 105 are formed on the first mounting housing 101, the square chute 103 is disposed at a lower end surface of the first mounting housing 101, the square chute 103 is provided with a plurality of connecting slots 104 disposed at an upper end wall middle part of the square chute 103, the number of the connecting slots 104 matches with that of the square chute 103, the connecting slots 104 are communicated with the square chute 103, and the circular chute 105 is disposed at an upper end of the connecting slots 104 and communicated with the connecting slots 104; the second installation casing 102 is used for installing the telescopic assembly 300, and the second installation casing 102 has seted up expansion tank 106 and fixed slot 107, and expansion tank 106 sets up in the middle part of the second installation casing 102, and fixed slot 107 sets up in expansion tank 106 lateral wall, and fixed slot 107 is provided with a plurality ofly, and a plurality of fixed slots 107 can carry out the fixed of multiposition to telescopic link 301.

Specifically, the rotating assembly 200 includes a sliding member 201 disposed on the square chute 103 and a driving member 202 disposed on the circular chute 105, the sliding member 201 is slidably connected with the driving member 202, the sliding member 201 slides along the length direction of the square chute 103, the driving member 202 slides on the inner circumference of the circular chute 105, the sliding member 201 slides on the square chute 103 under the driving action of the driving member 202, the sliding member 201 includes a jaw 201a, the jaw 201a is disposed at the lower end of the sliding member 201, and the jaw 201a slides in the first mounting housing 101 along with the sliding member 201, thereby adjusting the distance between the jaws 201a, and the jaw 201a is used for operating the valve.

Further, the telescopic assembly 300 comprises a telescopic rod 301 arranged in the telescopic slot 106, a fixing piece 302 and a regulating and controlling piece 303, the telescopic rod 301 slides in the telescopic slot 106, a moving slot 301a and a first groove 301b are formed in the telescopic rod 301, the moving slot 301a is formed in the side wall of the telescopic rod 301, the first groove 301b is formed in the front end of the telescopic rod 301 and penetrates through the moving slot 301a, the fixing piece 302 is arranged in the moving slot 301a, the fixing piece 302 can slide in the moving slot 301a, the regulating and controlling piece 303 is arranged in the first groove 301b, and the regulating and controlling piece 303 can regulate and control the sliding state of the fixing piece 302.

The operation process comprises the following steps: through the telescopic assembly 300 that sets up, the telescopic link 301 of pulling telescopic assembly 300 can make telescopic link 301 stretch out the second installation casing 102, regulation and control spare 303 regulates and control mounting 302, when pulling telescopic link 301, regulation and control spare 303 drives mounting 302 inwards shrink, be convenient for pull telescopic link 301, make telescopic link 301 be in suitable operating torque, when telescopic link 301 is in suitable operating torque, mounting 302 is fixed telescopic link 301, telescopic link 301 slides when preventing the operation valve, when telescopic link 301 slides in to the second installation casing 102, telescopic link 301 drives the driving medium 202 and moves, driving medium 202 moves and drives slider 201 and slide in square spout 103, thereby drive jaw 201a and move, the jaw 201a interval has been adjusted, the valve operating device jaw 201a interval and handle moment are fixed, can not nimble adjust jaw 201a interval and handle moment, adapt to the valve operation of different grade, specification valve and valve operating space, the flexibility and the problem of influence valve operation efficiency.

Example 2

Referring to fig. 1-5, a second embodiment of the present application, which is based on embodiment 1, is further improved in that: the sliding piece 201 comprises a sliding rod 201b, a sliding block 201c and a connecting column 201d, the sliding rod 201b is fixedly connected in the square sliding groove 103, the sliding block 201c is in sliding connection with the sliding rod 201b and slides in the square sliding groove 103, a claw head 201a is fixedly connected to the lower end face of the sliding block 201c, the claw head 201a is used for operating a valve, the lower end of the connecting column 201d is fixedly connected to the upper end face of the sliding block 201c, the upper end of the connecting column 201d penetrates through the connecting groove 104, and the connecting column 201d slides in the connecting groove 104.

Specifically, the transmission member 202 includes a turntable 202a disposed in the circular chute 105, a gear 202b fixedly connected in the middle of the turntable 202a, and a sliding tooth 202c slidably connected to the top wall of the circular chute 105, wherein the lower end of the gear 202b is hinged to the bottom wall of the circular chute 105, the upper end of the gear 202b is hinged to the top wall of the circular chute 105, and the gear 202b can drive the turntable 202a to rotate in the circular chute 105, and the sliding tooth 202c is matched with the gear 202 b.

Further, an arc-shaped slot 202a-1 is formed on the turntable 202a, the connecting column 201d passes through the arc-shaped slot 202a-1, the connecting column 201d is slidably connected with the arc-shaped slot 202a-1, and when the turntable 202a rotates, the connecting column 201d is driven to slide in the connecting slot 104 by the arc-shaped slot 202a-1 of the turntable 202a, so that the claw head 201a is driven to move, and the distance between the claw heads 201a is adjusted; the sliding teeth 202c comprise a sliding block 202c-1, teeth 202c-2 and a chute 202c-3, the sliding block 202c-1 is slidably connected with the top wall of the circular chute 105, the teeth 202c-2 are arranged at the front end of the sliding block 202c-1 and meshed with the gear 202b, when the sliding teeth 202c slide on the top wall of the chute, the gear 202b meshed with the teeth 202c-2 of the sliding teeth 202c is driven to rotate, the chute 202c-3 is arranged on the right side of the sliding block 202c-1, the chute 202c-3 is inclined rightward, the top wall of the chute is provided with a sliding groove matched with the sliding teeth 202c, and the sliding teeth 202c slide in the sliding groove.

The operation process comprises the following steps: the sliding teeth 202c are arranged to slide leftwards on the top wall of the sliding groove, the gear 202b meshed with the sliding teeth 202c is driven to rotate, the gear 202b rotates to drive the rotary table 202a fixedly connected with the gear 202b to rotate, the rotary table 202a rotates to drive the connecting column 201d of the arc-shaped slotted hole 202a-1 of the rotary table 202a to slide in the connecting groove 104, so that the sliding block 201c fixedly connected with the connecting column 201d is driven to slide, the jaw 201a fixedly connected with the lower end surface of the sliding block 201c slides towards the axis direction of the rotary table 202a, the distance between the jaw 201a of the valve operating device is reduced, the valve with smaller specification and model can be operated, when the sliding teeth 202c slide rightwards on the top wall of the sliding groove, the process is opposite to the above, the jaw 201a fixedly connected with the lower end surface of the sliding block 201c slides towards the axis direction far away from the rotary table 202a, the distance between the jaw 201a of the valve operating device is enlarged, the valve with larger specification and model can be operated, the valve operation flexibility of different types and valve operation is realized, and the valve operation flexibility of the valve operation is improved.

The rest of the structure is the same as that of embodiment 1.

Example 3

Referring to fig. 1-7, a third embodiment of the present application is further improved on the basis of embodiment 2 in that: the fixing piece 302 comprises two fixing blocks 302a and a pressure spring 302b, the fixing blocks 302a are provided with two fixing blocks and are in sliding connection with the moving groove 301a, the pressure spring 302b is fixedly connected to the rear ends of the two fixing blocks 302a, and the fixing blocks 302a slide towards the outer end of the moving groove 301a under the action of the pressure spring 302b so as to be clamped with the fixing groove 107, so that the telescopic rod 301 is fixed; the fixed block 302a is provided with a limiting ring 302a-1 and a connecting hole 302a-2, the limiting ring 302a-1 is fixedly connected to the rear end of the fixed block 302a, the limiting ring 302a-1 limits the moving distance of the fixed block 302a, the fixed block 302a is prevented from sliding out of the moving groove 301a, the connecting hole 302a-2 is arranged at the rear end of the fixed block 302a, the connecting hole 302a-2 is used for placing the hinging rod 303b, and the connecting hole 302a-2 has a certain depth so as to facilitate the front end of the hinging rod 303b to slide.

Specifically, the adjusting and controlling member 303 includes an inclined rod 303a, a hinge rod 303b, a connecting block 303c and a pulling handle 303d, one end of the inclined rod 303a is fixedly connected to the front end of the telescopic rod 301, the other end of the inclined rod 303a passes through the inclined groove 202c-3 of the sliding tooth 202c and is slidably connected to the sliding tooth 202c, the inclined rod 303a drives the sliding tooth 202c to slide under the action of the telescopic rod 301, the front end of the hinge rod 303b is slidably connected in the connecting hole 302a-2 of the fixed block 302a, a limiting block is arranged at the tail end of the hinge rod 303b, the front end of the hinge rod 303b can slide in the connecting hole 302a-2, the front end of the hinge rod 303b is prevented from sliding out of the connecting hole 302a-2, the middle part of the hinge rod 303b is hinged in the first groove 301b through a hinge post, the connecting block 303c is provided with two connecting blocks, the connecting block 303c is slidably connected to the rear end of the hinge rod 303b, the pulling handle 303d is fixedly connected with the connecting block 202c at the rear end, and pulling the handle 303d outwards can drive the fixed block 302a to slide inwards, so that the fixed block 302a can be prevented from being clamped with the fixed groove 107, and telescopic rod 301 can be conveniently stretched.

Further, the connection block 303c comprises a connection block 303c main body, a second groove 303c-2 and a sliding rod 303c-3, wherein the connection block 303c main body is slidably connected to the side wall of the first groove 301b, the second groove 303c-2 is arranged on two sides of the connection block 303c main body, the rear end of the hinge post is arranged in the second groove 303c-2, the rear end of the hinge post slides in the second groove 303c-2, and the sliding rod 303c-3 is fixedly connected to the front end of the connection block 303c main body; the control 303 further comprises two rotating discs 303e, the two rotating discs 303e are respectively hinged to the upper wall and the lower wall of the first groove 301b, an elliptical groove 303e-1 is formed in the rotating disc 303e, the tail end of a sliding rod 303c-3 is slidably connected in the elliptical groove 303e-1, a pulling handle 303d can drive the sliding rod 303c-3 to slide in the elliptical groove 303e-1, so that the rotating disc 303e rotates, the rotating disc 303e rotates to drive a connecting block 303c on the other side to move, the fixing block 302a is better pulled to be far away from the fixing groove 107, the clamping fixing state is relieved, a certain radian is formed at the sliding connection position of the elliptical groove 303e-1 and the sliding rod 303c-3, and the pulling handle 303d can better pull the rotating disc 303e to rotate through the sliding rod 303c-3 on the rear side.

The operation process comprises the following steps: the fixed block 302a is clamped with the fixed groove 107 of the second installation shell 102 under the action of the pressure spring 302b, so that the telescopic rod 301 is fixed, the pulling handle 303d is pulled outwards through the set pulling handle 303d, the connecting block 303c slides outwards, the rear end of the hinged rod 303b is extruded to swing outwards, the front end of the hinged rod 303b swings inwards, the fixed block 302a is driven to slide inwards, the fixed block 302a is not clamped with the fixed groove 107 any more, the telescopic rod 301 is conveniently pulled and pulled in a telescopic way, when the telescopic rod 301 slides towards the first installation shell 101, the inclined rod 303a which is fixedly connected is driven to slide towards the first installation shell 101, so that the sliding tooth 202c is driven to slide leftwards through the sliding groove of the sliding tooth 202c, when the telescopic rod 301 slides towards the direction away from the first installation shell 101, the process is opposite to the above, the effect that the handle length of the valve operating device is adjustable is realized, the handle moment is fixed, and the flexibility and the efficiency of valve operation are improved.

The rest of the structure is the same as that of embodiment 2.

It is important to note that the construction and arrangement of the application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present application. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present applications. Therefore, the application is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the application, or those not associated with practicing the application).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered in the scope of the claims of the present application.

Claims (10)

1. A valve-operating device, characterized in that: comprising the steps of (a) a step of,

the mounting assembly (100) comprises a first mounting shell (101) and a second mounting shell (102) arranged at the rear end of the first mounting shell (101), wherein the first mounting shell (101) is circular, square sliding grooves (103), connecting grooves (104) and circular sliding grooves (105) are formed in the first mounting shell (101), the square sliding grooves (103) are formed in the lower end face of the first mounting shell (101) and are formed in a plurality of square sliding grooves (103), the connecting grooves (104) are formed in the middle of the upper end wall of the square sliding grooves (103), the number of the connecting grooves (104) is matched with that of the square sliding grooves (103), and the circular sliding grooves (105) are formed in the upper end of the connecting grooves (104) and are communicated with the connecting grooves (104); the second installation shell (102) is provided with a telescopic groove (106) and a fixed groove (107), the telescopic groove (106) is arranged in the middle of the second installation shell (102), the fixed groove (107) is arranged on the side wall of the telescopic groove (106), and a plurality of fixed grooves (107) are formed;

the rotating assembly (200) comprises a sliding part (201) arranged on the square chute (103) and a transmission part (202) arranged on the round chute (105), wherein the sliding part (201) is in sliding connection with the transmission part (202), the sliding part (201) comprises a claw head (201 a), and the claw head (201 a) is arranged at the lower end of the sliding part (201); the method comprises the steps of,

the telescopic assembly (300) comprises a telescopic rod (301) arranged in a telescopic groove (106), a fixing piece (302) and a regulating and controlling piece (303), wherein a moving groove (301 a) and a first groove (301 b) are formed in the telescopic rod (301), the moving groove (301 a) is formed in the side wall of the telescopic rod (301), the first groove (301 b) is formed in the front end of the telescopic rod (301) and is communicated with the moving groove (301 a), the fixing piece (302) is arranged in the moving groove (301 a), and the regulating and controlling piece (303) is arranged in the first groove (301 b).

2. The valve-operating device according to claim 1, wherein: the sliding piece (201) comprises a sliding rod (201 b), a sliding block (201 c) and a connecting column (201 d), wherein the sliding rod (201 b) is fixedly connected in the square sliding groove (103), the sliding block (201 c) is in sliding connection with the sliding rod (201 b) and slides in the square sliding groove (103), the claw head (201 a) is fixedly connected to the lower end face of the sliding block (201 c), the lower end of the connecting column (201 d) is fixedly connected with the upper end face of the sliding block (201 c), and the upper end of the connecting column (201 d) penetrates through the connecting groove (104).

3. The valve-operating device according to claim 2, characterized in that: the transmission piece (202) comprises a rotary table (202 a) arranged on the circular chute (105), a gear (202 b) fixedly connected in the middle of the rotary table (202 a) and sliding teeth (202 c) slidably connected to the top wall of the circular chute (105), the lower end of the gear (202 b) is hinged to the bottom wall of the circular chute (105), the upper end of the gear (202 b) is hinged to the top wall of the circular chute (105), and the sliding teeth (202 c) are matched with the gear (202 b).

4. A valve-operating device according to claim 3, wherein: an arc-shaped slot hole (202 a-1) is formed in the rotary disc (202 a), a connecting column (201 d) penetrates through the arc-shaped slot hole (202 a-1), and the connecting column (201 d) is connected with the arc-shaped slot hole (202 a-1) in a sliding mode.

5. A valve-operating device according to claim 3 or 4, wherein: the sliding teeth (202 c) comprise sliding blocks (202 c-1), teeth (202 c-2) and a chute (202 c-3), the sliding blocks (202 c-1) are in sliding connection with the top wall of the circular sliding groove (105), the teeth (202 c-2) are arranged at the front ends of the sliding blocks (202 c-1) and meshed with the gear (202 b), and the chute (202 c-3) is arranged on the right side of the sliding blocks (202 c-1).

6. The valve-operating device according to claim 5, characterized in that: the fixing piece (302) comprises two fixing blocks (302 a) and pressure springs (302 b), wherein the two fixing blocks (302 a) are slidably connected with the moving groove (301 a), and the pressure springs (302 b) are fixedly connected to the rear ends of the two fixing blocks (302 a).

7. The valve-operating device according to claim 6, wherein: the limiting ring (302 a-1) and the connecting hole (302 a-2) are arranged on the fixed block (302 a), the limiting ring (302 a-1) is fixedly connected to the rear end of the fixed block (302 a), and the connecting hole (302 a-2) is arranged at the rear end of the fixed block (302 a).

8. The valve-operating device according to claim 1 or 7, characterized in that: the adjusting and controlling piece (303) comprises an inclined rod (303 a), a hinging rod (303 b), a connecting block (303 c) and a pulling handle (303 d), wherein one end of the inclined rod (303 a) is fixedly connected to the front end of the telescopic rod (301), the other end of the inclined rod (303 a) penetrates through a chute (202 c-3) of the sliding tooth (202 c) and is in sliding connection with the sliding tooth (202 c), the front end of the hinging rod (303 b) is in sliding connection with a connecting hole (302 a-2) of the fixed block (302 a), the middle part of the hinging rod (303 b) is hinged to the first groove (301 b) through a hinging column, two connecting blocks (303 c) are arranged, the connecting blocks (303 c) are in sliding connection with the rear end of the hinging rod (303 b), and the pulling handle (303 d) is fixedly connected with the connecting blocks (303 c) at the rear end.

9. The valve-operating device according to claim 8, wherein: the connecting block (303 c) comprises a connecting block (303 c) main body, a second groove (303 c-2) and a sliding rod (303 c-3), wherein the connecting block (303 c) main body is connected to the side wall of the first groove (301 b) in a sliding mode, the second groove (303 c-2) is formed in two sides of the connecting block (303 c) main body, the rear end of the hinge post is arranged in the second groove (303 c-2), and the sliding rod (303 c-3) is fixedly connected to the front end of the connecting block (303 c) main body.

10. The valve-operating device according to claim 9, wherein: the regulating and controlling piece (303) further comprises two rotating discs (303 e), the rotating discs (303 e) are respectively hinged to the upper wall and the lower wall of the first groove (301 b), the rotating discs (303 e) are provided with elliptical grooves (303 e-1), and the tail ends of the sliding rods (303 c-3) are slidably connected in the elliptical grooves (303 e-1).