CN219317771U

CN219317771U - Intelligent portable valve opener

Info

Publication number: CN219317771U
Application number: CN202220953662.0U
Authority: CN
Inventors: 徐胜义; 许瑞祥
Original assignee: Cameron Holdings Group Ltd
Current assignee: Cameron Holdings Group Ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2023-07-07
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses an intelligent portable valve opener, which comprises a base and a connecting rod, wherein an adjusting device for controlling the connecting rod to move up and down relative to the base is arranged on the base, a fixing seat is arranged on the connecting rod, a rotatable rotating disc is arranged on the fixing seat, a driving device for driving the rotating disc to rotate and a control device for controlling the driving device are arranged on the connecting rod, an annular groove is formed in the bottom of the rotating disc, a movable part is slidably connected to the inner wall of the annular groove, the movable part is connected with a rotating part, an inclined groove is formed in the annular groove, a spring marble is arranged in the groove, a clamping part is arranged at the lower end of the rotating part, a first through hole and a second through hole are formed in the clamping part, a first sliding block and a second sliding block are respectively arranged at the front end and the rear end of the first sliding block and the second sliding block through a connecting block and a second connecting block respectively, a limiting spring is arranged between the first connecting block and the clamping part, and the lower end of the front side of the second sliding block is provided with an inclined surface.

Description

Intelligent portable valve opener

Technical Field

The utility model relates to the technical field of valve equipment, in particular to an intelligent portable valve opener.

Background

The valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device for allowing or stopping the flow of a medium (liquid, gas, powder, etc.) in a pipe or a device and controlling the flow rate, and has functions of diversion, shutoff, throttling, non-return, diversion, overflow pressure relief, and the like.

In actual use of the valve, the valve is frequently opened and closed, and the operator is very laborious and inconvenient to manually open and close for a plurality of times, so that the valve opener is designed for the valve, the valve opener reduces the time for manually closing the valve, and the valve opener is widely applied to various industries of industrial production and life.

The valve is usually opened and closed by rotating the hand wheel, but the existing valve is various in variety, the position angle and the diameter of the hand wheel are various in format, the existing valve opener is extremely non-uniform in application range, cannot be flexibly applied to various types of valves, cannot be adjusted in an adapting way according to the specific conditions of the hand wheel, and even affects the safety coefficient during use.

Disclosure of Invention

The utility model aims at providing an intelligent portable valve opener which is light and labor-saving to open and close a valve, can be flexibly applied to various types of valves, and can be adjusted in an adapting way according to specific conditions of a valve hand wheel.

The utility model adopts the following technical scheme to solve the technical problems: the utility model provides an intelligence portable valve opener, includes base and connecting rod, be equipped with the adjusting device who is used for controlling the connecting rod for the displacement about the base on the base, be equipped with the fixing base on the connecting rod, be equipped with rotatable rolling disc on the fixing base, be equipped with on the connecting rod and be used for driving rolling disc pivoted drive arrangement and be used for controlling drive arrangement's controlling means, the ring channel has been seted up to rolling disc's bottom, ring channel inner wall sliding connection has a plurality of movable part, and the lower extreme rotation of every movable part is connected with the rotating part, a plurality of chute has been seted up along the circumference to the lateral wall of ring channel, the contained angle non-perpendicular setting of tangent line of chute and ring channel correspondence position, the lateral wall of rotating part is equipped with the recess, be equipped with the spring marble with chute size looks adaptation in the recess, the lower extreme of rotating part is equipped with the clamping part of cross-section J type, through-hole one and through-hole two have been seted up to the top of clamping part, but the slider and slider two have in the through-hole one and the through-hole two, slider two is equipped with the slider that slide forward and backward, slider and slider two are connected with the front and backward through one respectively, the side is equipped with the inclined plane between the connecting block and two sides down, the connecting block is equipped with the inclined plane.

According to the technical scheme, when the valve body hand wheel is horizontally arranged, the adjusting device adjusts the connecting rod to move upwards on the base until the height of the rotating disc is higher than that of the valve body hand wheel, the rotating disc is aligned with the position of the valve body hand wheel, the movable part slides to be tightly attached to the hand wheel rod along the annular groove, the hand wheel rod extrudes the connecting block to synchronously extrude the limit spring, the first sliding block and the second sliding block respectively slide towards the rear side in the first through hole and the second through hole, the rotating part is rotated, the spring elastic balls are sprung into the chute to lock the rotating part, the connecting part and the annular chute, the adjusting device is controlled to enable the connecting rod to move upwards, the clamping part moves upwards to hook the hand wheel rod, the limit spring is reset, the first sliding block and the second sliding block respectively slide towards the front side in the first through hole and the second through hole, the upper end of the inclined plane is clamped with the upper end of the hand wheel rod, and the inclined plane is matched with the clamping part according to the diameter of the hand wheel rod, then the driving device is started to control the rotating disc to rotate, the rotating disc rotates, (because the axis of the chute and the inclined angle of the tangent line of the corresponding position of the annular groove are not vertically arranged, and a certain included angle is formed, the elastic ball spring cannot be separated from the inner chute), and meanwhile the rotating part and the connecting part and the valve body is driven to rotate, the valve body is required to be separated from the adjusting device to rotate, and the valve body is clamped relatively and clamped, and the valve body is required to be opened when the valve body is clamped and moved from the valve body.

As a further optimization of the utility model, the connecting rod is provided with the adjusting part, the adjusting part is provided with the first threaded hole, the adjusting device comprises an adjusting groove and the first adjusting screw rod, the adjusting groove is arranged on the base, the first adjusting screw rod penetrates through the side wall of the adjusting groove and is in rotary connection with the adjusting groove, and the first adjusting screw rod is in threaded connection with the adjusting part.

As a further optimization of the utility model, the adjusting part is sleeved on the connecting rod, the connecting rod can rotate relative to the adjusting part, the bottom of the base is provided with a base, the base is provided with a threaded hole II, and the base is provided with a sliding groove; the second adjusting screw penetrates through the side wall of the sliding groove and is rotationally connected with the sliding groove, and the second adjusting screw is in threaded connection with the base.

Adopt above technical scheme, when setting to non-level or other angles of valve body hand wheel, through adjusting device adjusting connection pole displacement about the base, make the connecting rod rotate relative adjusting sleeve, rotate adjusting screw two and adjust the base and slide on the base, realize the three-dimensional regulation, at first make the rolling disc with valve body hand wheel level alignment, concrete embodiment and above-mentioned same reason: the movable part slides in the annular groove to be clung to the hand wheel rod, the hand wheel rod extrudes the connecting block to synchronously extrude the limiting spring, the first sliding block and the second sliding block respectively slide towards the rear side in the first through hole and the second through hole, the rotating part is rotated, the spring marble is sprung into the chute, the rotating part, the connecting part and the annular chute are locked, the displacement of the connecting rod is regulated, the clamping part moves to hook the hand wheel rod, the limiting spring is reset, the first sliding block and the second sliding block respectively slide towards the front side in the first through hole and the second through hole, the inclined plane is clamped with the upper end of the hand wheel rod, the inclined plane is matched with the clamping part according to the diameter of the hand wheel rod, the driving device is started to control the rotating disc to rotate, and the rotating disc rotates, (because the axis of the chute and the tangential angle of the corresponding position of the annular groove are not vertically arranged, the marble spring is not separated from the inside), the chute, the connecting part and the clamping part rotate, the valve body is driven by the clamping part, so that the valve body is opened, and the hand wheel is separated from the clamping part, and the clamping part moves, and the hand wheel.

As a further optimization of the utility model, the outer wall of the rotating disc is provided with a plurality of gear teeth, the driving device comprises a servo motor fixed on the adjusting part and a driving gear rotationally connected with an output shaft of the servo motor, and the driving gear is linked with the rotating disc through a chain.

By adopting the technical scheme, the output shaft of the servo motor drives the gear to rotate, and the driving gear drives the transmission disc to rotate through the chain.

As a further optimization of the utility model, the control device comprises a control box fixed on the adjusting part, a processor arranged in the control box, and a first switch and a second switch for respectively controlling the forward rotation and the reverse rotation of the servo.

By adopting the technical scheme, the first switch and the second switch control the reverse rotation and the forward rotation of the servo motor, so that the forward rotation and the reverse rotation of the hand wheel are controlled, the valve is opened and closed, and the servo motor is controlled after the processor receives the signal.

As a further optimization of the utility model, the bottom of each rotating part is provided with a clamping groove, the cross section shape of the clamping groove is non-circular and symmetrical, the upper end of each clamping part is provided with a clamping block matched with the shape of the clamping groove, and the orientation of the clamping part is consistent with the circumferential direction of the annular groove.

According to the technical scheme, according to the difference of opening and closing directions of the hand wheel, the left hand wheel is opened clockwise, the left hand wheel is opened anticlockwise, the cross section of the clamping groove is symmetrically arranged, the clamping block is clamped with the clamping groove, and the clamping part can be oriented clockwise or anticlockwise according to the situation.

As a further optimization of the utility model, the cross section shape of the clamping groove is square or symmetrical polygon.

As a further optimization of the utility model, the end parts of the first adjusting screw rod and the second adjusting screw rod are respectively provided with a vertical handle I, and one end of the connecting rod, which is far away from the rotating disc, is provided with a vertical handle II.

The beneficial effects of the utility model are as follows: when setting up to non-level or other angles of valve body hand wheel, through adjusting device adjusting connection pole displacement about the base, make the connecting rod rotate relative adjusting sleeve, rotate adjusting screw two and adjust the base and slide on the base, realize three-dimensional regulation, at first make the rolling disc with valve body hand wheel level alignment, concrete embodiment is the same as the aforesaid: the movable part slides in the annular groove to be tightly attached to the hand wheel rod, the hand wheel rod extrudes the connecting block to synchronously extrude the limiting spring, the first sliding block and the second sliding block respectively slide in the first through hole and the second through hole towards the rear side, the rotating part is rotated, the spring marble is sprung into the chute, the rotating part, the connecting part and the annular chute are locked, the displacement of the connecting rod is regulated, the clamping part moves to hook the hand wheel rod, meanwhile, the limiting spring resets, the first sliding block and the second sliding block respectively slide in the first through hole and the second through hole towards the front side, meanwhile, the inclined plane is clamped with the upper end of the hand wheel rod, the inclined plane is matched with the clamping part according to the diameter of the hand wheel rod, then the driving device is started to control the rotating disc to rotate, and the rotating disc rotates, (because the axis of the chute is not vertical to the tangential line of the corresponding position of the annular groove and has a certain included angle, the marble spring can not break out from the inside), meanwhile, the connecting part and the clamping part rotates, the valve body is driven to rotate by the clamping part, so that the valve body is required to be separated from the valve body, and the connecting rod is regulated again to move, and the clamping part is relatively to move, and the inclined plane is extruded to the valve body so as to break out from the clamping part. The output shaft of the servo motor drives the gear to drive the driving disc to rotate through the chain, so that the power is saved during transmission, the valve is opened and closed lightly and labor-saving, the valve is flexibly applied to various types of valves, and the valve can be adjusted in a fit mode according to specific conditions of a valve hand wheel.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic view of a clamping portion according to the present utility model;

FIG. 4 is a second schematic structural view of the clamping portion according to the present utility model;

FIG. 5 is an enlarged schematic view of FIG. 1;

FIG. 6 is an enlarged schematic view of FIG. 2;

fig. 7 is a use state diagram of the present utility model.

The meaning of the reference numerals in the figures: 1. a base; 2. a connecting rod; 21. a fixing seat; 211. a rotating disc; 2111. an annular groove; 31. an adjusting section; 32. an adjustment tank; 33. adjusting the first screw rod; 41. a servo motor; 43. a drive gear; 44. a chain; 52. a processor; 54. a first switch; 55. a second switch; 6. a clamping part; 61. a first through hole; 62. a second through hole; 71. a first sliding block; 72. a second slide block; 721. an inclined plane; 81. a first connecting block; 82. a second connecting block; 9. a limit spring; 100. a hand wheel rod; 101. a movable part; 102. a rotating part; 103. a groove; 104. spring marble; 105. a clamping groove; 106. a chute; 110. a base; 111. a chute; 112. and adjusting a second screw rod.

Detailed Description

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Referring to fig. 1-7, the present embodiment of the present disclosure further provides: the utility model provides an intelligent portable valve opener, includes base 1 and connecting rod 2, is equipped with the adjusting device who is used for controlling connecting rod 2 to reciprocate relative to base 1 on the base 1, is equipped with fixing base 21 on the connecting rod 2, is equipped with rotatable rolling disc 211 on the fixing base 21, is equipped with the drive arrangement who is used for driving rolling disc 211 pivoted and is used for controlling drive arrangement on the connecting rod 2, and connecting rod 2 is kept away from the one end of rolling disc 211 and is equipped with perpendicular handle two;

the connecting rod 2 is sleeved with an adjusting part 31, the connecting rod 2 can rotate relative to the adjusting part 31, a first threaded hole is formed in the adjusting part 31, the adjusting device comprises an adjusting groove 32 and a first adjusting screw rod 33, the adjusting groove 32 is formed in the base 1, the first adjusting screw rod 33 penetrates through the side wall of the adjusting groove 32 and is rotationally connected with the adjusting groove 32, the first adjusting screw rod 33 is in threaded connection with the adjusting part 31, a vertical handle I is arranged at the end part of the first adjusting screw rod 33, a base 110 is arranged at the bottom of the base 1, a second threaded hole is formed in the base 1, and a sliding groove 111 is formed in the base 110; the sliding chute 111 comprises a sliding chute 111, and is characterized by further comprising a second adjusting screw 112 which penetrates through the side wall of the sliding chute 111 and is rotationally connected with the sliding chute 111, wherein the second adjusting screw 112 is in threaded connection with the base 1, and a vertical first grip is arranged at the end part of the second adjusting screw 112;

the outer wall of the rotating disc 211 is provided with a plurality of gear teeth, the driving device comprises a servo motor 41 fixed on the adjusting part 31 and a driving gear 43 rotationally connected with an output shaft of the servo motor 41, and the driving gear 43 is linked with the rotating disc 211 through a chain 44;

the control device includes a control box fixed to the adjusting portion 31, a processor 52 provided in the control box, and a first switch 54 and a second switch 55 for controlling the servo forward rotation and the servo reverse rotation, respectively.

As shown in fig. 3-6, an annular groove 2111 is provided at the bottom of the rotating disk 211, a plurality of movable parts 101 are slidingly connected to the inner wall of the annular groove 2111, a rotating part 102 is rotationally connected to the lower end of each movable part 101, a plurality of inclined grooves 106 are provided on the side wall of the annular groove 2111 along the circumferential direction, inclined angles of the inclined grooves 106 and tangential lines of the corresponding positions of the annular groove 2111 are non-vertically arranged, a groove 103 is provided on the side wall of the rotating part 102, a spring marble 104 with the size matched with that of the inclined grooves 106 is provided in the groove 103, a clamping part 6 with a J-shaped section is provided at the lower end of the rotating part 102, the bottom of each rotating part 102 is provided with a clamping groove 105, the cross section of the clamping groove 105 is square or symmetrical polygonal, the upper end of each clamping part 6 is provided with a clamping block matched with the shape of the clamping groove 105, the direction of the clamping part 6 is consistent with the circumferential direction of the annular groove 2111, the clamping part is opened clockwise according to different opening and closing directions of a hand wheel, the clamping part is opened anticlockwise, the cross section of the clamping groove 105 is symmetrically arranged, the clamping block is clamped with the clamping groove 105, and the clamping part 6 can be selected to be oriented clockwise or anticlockwise according to the situation; the upper part of the clamping part 6 is provided with a first through hole 61 and a second through hole 62 which are penetrated in front and back, a first slide block 71 and a second slide block 72 which can slide in front and back are arranged in the first through hole 61 and the second through hole 62, the front and back ends of the first slide block 71 and the second slide block 72 are respectively connected through a first connecting block 81 and a second connecting block 82, a limit spring 9 is arranged between the back side of the first connecting block 81 and the clamping part 6, an inclined surface 721 is arranged at the lower end of the front side of the second slide block 72, and the inclined surface 721 is obliquely arranged towards the rear lower side.

The principle of the utility model is as follows: as shown in fig. 1 to 6, when the valve body hand wheel is horizontally arranged, the adjusting screw 33 is rotated, the adjusting screw 33 drives the connecting rod 2 to move up in the adjusting grass of the base 1 through threads until the height of the rotating disc 211 is higher than that of the valve body hand wheel, the rotating disc 211 is aligned with the upper and lower positions of the valve body hand wheel, the movable part 101 slides along the annular groove 2111 to be tightly attached to the hand wheel rod 100, the hand wheel rod 100 presses the connecting block 81 while pressing the limit spring 9, the first slide block 71 and the second slide block 72 slide towards the rear side in the first through hole 61 and the second through hole 62 respectively, the rotating part 102 is rotated, the spring marble 104 springs into the chute 106, the rotating part 102, the connecting part and the annular chute 111 are locked, the adjusting screw 33 is rotated to move up the connecting rod 2, the clamping part 6 moves up to hook the hand wheel rod 100, the limit spring 9 is reset, the first slide block 71 and the second slide block 72 slide in the first through hole 61 and the second through hole 62 respectively towards the front side, and the inclined plane 721 is clamped with the upper end of the hand wheel rod 100, and the inclined plane 721 is adapted to the diameter of the hand wheel rod 100;

then, after the first switch is pressed and processed by the processor 52, the servo motor 41 is driven to rotate, the first servo motor 41 rotates, the driving gear 43 drives the rotating disc 211 to rotate through the chain 44,

when the rotating disc 211 rotates (because the included angle between the axis of the chute 106 and the tangent line at the corresponding position of the annular groove 2111 is not perpendicular and has a certain included angle, the ball spring cannot deviate from the chute 106), the rotating part 102, the connecting part and the clamping part 6 are driven to rotate at the same time, so that the valve body hand wheel is driven to rotate, the valve is opened, the second switch is pressed, and the servo motor 41 is controlled to reversely rotate to close the valve after the second switch is processed by the processor 52;

when the clamping part 6 is required to be separated from the valve body hand wheel, the first adjusting screw 33 controls the connecting rod 2 to move downwards on the base 1, the hand wheel rod 100 moves upwards relative to the clamping part 6, and the hand wheel rod 100 presses the inclined surface 721 to be separated from the clamping part 6;

as shown in fig. 7, when the valve body hand wheel is set to be non-horizontal or at other angles, the connecting rod 2 is adjusted to move up and down on the base 1 by the adjusting device; the connecting rod 2 rotates relative to the adjusting sleeve, the rotating disc 211 and the driving mechanism rotate together with the connecting rod 2, and the angle of the rotating disc 211 is changed; the second adjusting screw 112 is rotated to adjust the base 1 to slide on the base 110, so as to realize three-way adjustment, and the specific embodiment is the same as the above description:

firstly, the rotating disc 211 and the valve body hand wheel are horizontally aligned, the movable part 101 slides along the annular groove 2111 until the movable part is tightly attached to the hand wheel rod 100, the hand wheel rod 100 extrudes the connecting block I81 and extrudes the limit spring 9, the sliding block I71 and the sliding block II 72 slide towards the rear side in the through hole I61 and the through hole II 62 respectively, the rotating part 102 is rotated, the spring balls 104 spring into the chute 106, the rotating part 102, the connecting part and the annular chute 111 are locked, the regulating connecting rod 2 displaces, the clamping part 6 moves to hook the hand wheel rod 100, the limit spring 9 resets, the sliding block I71 and the sliding block II 72 slide towards the front side in the through hole I61 and the through hole II 62 respectively, the inclined plane 721 is clamped and matched with the upper end of the hand wheel rod 100 according to the diameter of the hand wheel rod 100, then the driving device is started to control the rotating disc 211 to rotate, the rotating disc 211 rotates, (because the included angle between the axis of the chute 106 and the tangent line at the corresponding position of the annular groove 2111 is not perpendicular, a certain included angle is formed, the ball springs cannot rotate from the chute 106), the rotating part 102, the connecting part and the clamping part 6 move to the clamping part 6 hook the hand wheel 100, the clamping part 6 rotates, and the valve body 6 rotates to the valve body 6 rotates, the valve body 6 rotates again, and the valve body 6 rotates the clamping part 6 rotates, and the valve body 6 rotates correspondingly, and the valve body 6 rotates, and the clamping part rotates and rotates the valve body 6, and rotates and the valve body 6, and rotates.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides an intelligent portable valve opener, includes base (1) and connecting rod (2), its characterized in that, be equipped with the adjusting device who is used for controlling connecting rod (2) and reciprocate for base (1) on base (1), be equipped with fixing base (21) on connecting rod (2), be equipped with rotatable rolling disc (211) on fixing base (21), be equipped with on connecting rod (2) and be used for driving rolling disc (211) pivoted drive arrangement and be used for controlling drive arrangement's controlling means, ring channel (2111) have been seted up to rolling disc (211) bottom, ring channel (2111) inner wall sliding connection has a plurality of movable part (101), the lower extreme rotation of every movable part (101) is connected with rotation portion (102), a plurality of chute (106) have been seted up along the circumference to the lateral wall of ring channel (2111), the lateral wall of every rotation portion (102) is equipped with recess (103), be equipped with in recess (103) with chute (106) size looks adaptation spring marble (104), the lower extreme of rotation portion (211) is equipped with the cross-section J and is for clamping portion (6) and is seted up through-hole (61) in front of two clamping portion (62), the novel sliding block is characterized in that a first sliding block (71) and a second sliding block (72) capable of sliding back and forth are respectively arranged in the first through hole (61) and the second through hole (62), the front end and the rear end of the first sliding block (71) and the rear end of the second sliding block (72) are respectively connected through a first connecting block (81) and a second connecting block (82), a limiting spring (9) is arranged between the rear side of the first connecting block (81) and the clamping part (6), and an inclined plane (721) is arranged at the lower end of the front side of the second sliding block (72).

2. The intelligent portable valve opener according to claim 1, wherein the connecting rod (2) is provided with an adjusting part (31), the adjusting part (31) is provided with a first threaded hole, the adjusting device comprises an adjusting groove (32) formed in the base (1) and a first adjusting screw (33), the first adjusting screw (33) penetrates through the side wall of the adjusting groove (32) and is rotationally connected with the adjusting groove (32), and the first adjusting screw (33) is in threaded connection with the adjusting part (31).

3. The intelligent portable valve opener according to claim 2, wherein the adjusting part (31) is sleeved on the connecting rod (2), the connecting rod (2) is rotatable relative to the adjusting part (31), a base (110) is arranged at the bottom of the base (1), a threaded hole II is formed in the base (1), and a sliding groove (111) is formed in the base (110); the sliding chute is characterized by further comprising a second adjusting screw (112) penetrating through the side wall of the sliding chute (111) and being rotationally connected with the sliding chute (111), and the second adjusting screw (112) is in threaded connection with the base (1).

4. An intelligent portable valve opener according to claim 3, characterized in that the outer wall of the rotating disc (211) is provided with a plurality of gear teeth, the driving device comprises a servo motor (41) arranged on the adjusting part (31) and a driving gear (43) rotationally connected with an output shaft of the servo motor (41), and the driving gear (43) is linked with the rotating disc (211) through a chain (44).

5. The intelligent portable valve opener according to claim 4, wherein the control device comprises a control box fixed on the adjusting part (31), a processor (52) arranged in the control box, and a first switch (54) and a second switch (55) for respectively controlling the servo forward rotation and the servo reverse rotation.

6. The intelligent portable valve opener according to claim 5, wherein a clamping groove (105) is formed in the bottom of each rotating portion (102), the cross section of each clamping groove (105) is non-circular and symmetrical, a clamping block matched with the shape of each clamping groove (105) is arranged at the upper end of each clamping portion (6), and the direction of each clamping portion (6) is consistent with the circumferential direction of the annular groove (2111).

7. The intelligent portable valve opener according to claim 6, characterized in that the cross-section of the clamping groove (105) is square or symmetrical polygonal.

8. The intelligent portable valve opener according to claim 7, wherein the first adjusting screw (33) and the second adjusting screw (112) are respectively provided with a vertical handle, and the connecting rod (2) is provided with a vertical handle at one end far away from the rotating disc (211).