CN219244966U

CN219244966U - Water valve switch detection device with diameter adjusting mechanism

Info

Publication number: CN219244966U
Application number: CN202222924806.2U
Authority: CN
Inventors: 王芳; 雷琼莉; 瞿雪娟
Original assignee: Dofu Electronics Kunshan Co ltd
Current assignee: Dofu Electronics Kunshan Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-06-23
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a water valve switch detection device with a diameter adjusting mechanism, which comprises a base and a support frame, wherein the upper end of the base is fixedly connected with the support frame; further comprises: the adjusting block is arranged in the middle of the upper end of the base, a central screw rod is arranged in the middle of the adjusting block, and a guide post is arranged on the side edge of the adjusting block in a penetrating manner; the extrusion rod is positioned at the side edge of the adjusting block, the upper end of the extrusion rod is fixedly arranged below the fixed block, the end part of the fixed block is provided with anti-skid patterns, and the end part of the fixed block extends into the sleeve pipe; and the conveying pipe is used for connecting the main air bag and the limiting air bag, and the limiting air bag is arranged in the protective cover. This water valve door switch detection device with diameter adjustment mechanism can be in the in-process of using conveniently fixed the water valve door of equidimension not, can adjust according to the button knob switch size of water valve door tip simultaneously.

Description

Water valve switch detection device with diameter adjusting mechanism

Technical Field

The utility model relates to the technical field of switch detection devices, in particular to a water valve switch detection device with a diameter adjusting mechanism.

Background

The water valve is a control component in a fluid conveying system, and a detection device is usually required to carry out fatigue experiments on the valve switch during the production of the water valve, so that whether the valve switch can be normally and effectively used after reaching the standard reciprocating rotation number of turns is judged.

The fatigue test device for the pressure limiting valve comprises a base, wherein a sleeve is fixedly arranged on the base, an inner thread for screwing the pressure limiting valve is formed in the inner wall of one end of the sleeve, a push rod is arranged in the sleeve in a sliding penetrating manner, one end of the push rod can extend into the pressure limiting valve and prop against a valve core, the other end of the push rod is matched with a cam rotatably arranged on the base, and the cam is driven by a motor; the base is provided with a box body, a cam shaft driven by the motor is rotatably arranged in the box body, the cam is arranged on the cam shaft, the push rod is arranged on the box wall in a sliding penetrating manner, and the inward extending end of the push rod is matched with the cam; the inner extending end of the push rod is sleeved with a tappet matched with the cam, and the tappet is slidably arranged on the wall of the box.

Among the above prior art, the following technical drawbacks are also present: when the valve detection device is used for detecting the fatigue of the switch, the valve is screwed on the sleeve in a threaded connection mode, and the limiting mode of the limiting valve is only suitable for testing the valve matched with the internal thread of the sleeve;

meanwhile, part of the water valve switches are round-head-shaped, and the diameters of round-head rotary switches at the end parts of different water valves are different, so that the adjustment according to the diameter of the round-head rotary switch at the end part of the water valve is inconvenient when the service life of a sliding wire of the switch is tested, and the overall limitation of the detection device is larger.

We have therefore proposed a water valve switch detection device with a diameter adjustment mechanism in order to solve the problems set out above.

Disclosure of Invention

The utility model aims to provide a water valve switch detection device with a diameter adjustment mechanism, so as to solve the problems that when the existing valve detection device in the market provided by the background technology is used for detecting switch fatigue, a valve is screwed on a sleeve in a threaded connection mode, the limiting mode of a limiting valve is only suitable for testing a valve matched with internal threads of the sleeve, meanwhile, partial water valve switches are round-head-shaped, the diameters of round-head knob switches at the end parts of different water valves are different, and the adjustment according to the diameter of the round-head knob switch at the end part of the water valve is inconvenient when the service life of a switch is tested, so that the whole limitation of the detection device is large.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the water valve switch detection device with the diameter adjustment mechanism comprises a base and a support frame, wherein the upper end of the base is fixedly connected with the support frame;

further comprises:

the adjusting block is arranged in the middle of the upper end of the base, a central screw rod is arranged in the middle of the adjusting block, and a guide post is arranged on the side edge of the adjusting block in a penetrating manner;

the extrusion rod is positioned at the side edge of the adjusting block, the upper end of the extrusion rod is fixedly arranged below the fixed block, the end part of the fixed block is provided with anti-skid patterns, the end part of the fixed block extends into the sleeve pipe, and the interior of the sleeve pipe is connected with the end part of the fixed block through an internal spring;

a movable plate which is arranged on the inner side of the supporting frame, a cylinder is fixedly arranged above the side edge of the movable plate, the middle part of the upper end of the movable plate is fixedly connected with a servo motor, and the output end of the servo motor is connected with a transmission rod;

the protective cover is fixedly connected with the lower end of the transmission rod, a main air bag is arranged above the protective cover, an electric push rod is arranged above the main air bag and fixedly arranged at the lower end of the movable plate;

and the conveying pipe is used for connecting the main air bag and the limiting air bag, and the limiting air bag is arranged in the protective cover.

Preferably, the middle part of the adjusting block is in threaded connection with the central screw rod, and the adjusting block can slide on the guide post in the vertical direction.

Through adopting above-mentioned technical scheme, thereby can avoid its synchronous rotation along with the center lead screw through the slip of regulating block on the guide pillar.

Preferably, the joint surface between the side edge of the adjusting block and the lower end of the extrusion rod is provided with a bevel edge, and the lower end of the extrusion rod is of a spherical structure.

Through adopting above-mentioned technical scheme, can extrude the spherical structure extrusion promotion to the extrusion pole lower extreme through the inclined plane of regulating block side.

Preferably, the clamping end of the fixing block to the water valve is of a circular structure, and anti-skidding lines are uniformly distributed on the surface of the circular structure at the end part of the fixing block.

Through adopting above-mentioned technical scheme, the setting that utilizes the anti-skidding line can improve the contact friction force between fixed block and the water valve door.

Preferably, the outer wall of the end part of the fixed block and the inner wall of the sleeve pipe are mutually attached, and the fixed block and the sleeve pipe form an elastic telescopic structure through an internal spring.

By adopting the technical scheme, the fixed block which moves on the sleeve pipe can be reset and rebounded by the arrangement of the built-in spring.

Preferably, the main air bag and the limiting air bag are both made of elastic rubber, and the limiting air bag is of an annular structure.

Through adopting above-mentioned technical scheme, when main gasbag receives the inside air current of extrusion back can get into the inside of spacing gasbag through the conveyer pipe.

Compared with the prior art, the utility model has the beneficial effects that: the water valve switch detection device with the diameter adjusting mechanism can be used for conveniently fixing water valves with different sizes in the using process, and can be adjusted according to the size of a round knob switch at the end part of the water valve;

1. the water valve is characterized in that the water valve is provided with the fixing block, the adjusting block in threaded connection can be moved upwards through rotation of the central screw rod, the extrusion rod can be pushed by the inclined edge after the adjusting block is moved, the fixing block moves towards the inner side of the base, two ends of the water valve can be clamped and fixed through movement of the fixing block, and the contact friction force with the end part of the water valve can be improved through anti-skid threads uniformly distributed on the end part of the fixing block;

2. be provided with the main gasbag, can extrude the main gasbag through electric putter's downward movement, can make its inside air current enter into inside spacing gasbag through the conveyer pipe after the main gasbag extrusion, can be fixed the button knob switch of water valve door tip after spacing gasbag inflation, adapt to the different diameter button knob switch of water valve door tip through the inflation size of spacing gasbag.

Drawings

FIG. 1 is a schematic view of a front perspective structure of the present utility model;

FIG. 2 is a schematic perspective view of an adjusting block and an extrusion rod according to the present utility model;

FIG. 3 is a schematic cross-sectional perspective view of a mounting block and ferrule of the present utility model;

FIG. 4 is a schematic view showing the bottom view of the movable plate and the protective cover of the present utility model;

FIG. 5 is a schematic cross-sectional perspective view of the shield and spacing balloon of the present utility model.

In the figure: 1. a base; 2. a support frame; 3. an adjusting block; 4. a central screw rod; 5. a guide post; 6. an extrusion rod; 7. a fixed block; 8. anti-skid lines; 9. a ferrule; 10. a built-in spring; 11. a movable plate; 12. a cylinder; 13. a servo motor; 14. a transmission rod; 15. a protective cover; 16. a main air bag; 17. an electric push rod; 18. a delivery tube; 19. and a limiting air bag.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the water valve switch detection device with the diameter adjusting mechanism comprises a base 1 and a support frame 2, wherein the upper end of the base 1 is fixedly connected with the support frame 2; an adjusting block 3 is arranged in the middle of the upper end of the base 1, a central screw rod 4 is arranged in the middle of the adjusting block 3, and a guide post 5 is arranged on the side edge of the adjusting block 3 in a penetrating manner; the extrusion rod 6 is positioned at the side edge of the adjusting block 3, the upper end of the extrusion rod 6 is fixedly arranged below the fixed block 7, the end part of the fixed block 7 is provided with anti-skid patterns 8, the end part of the fixed block 7 stretches into the sleeve pipe 9, and the interior of the sleeve pipe 9 is connected with the end part of the fixed block 7 through an internal spring 10; the middle part of the adjusting block 3 and the central screw rod 4 are in threaded connection, and the adjusting block 3 can slide on the guide column 5 in the vertical direction. The joint surface of the side edge of the adjusting block 3 and the lower end of the extrusion rod 6 is provided with a bevel edge, and the lower end of the extrusion rod 6 is of a spherical structure. The clamping end of the fixing block 7 to the water valve is of a circular structure, and anti-skidding patterns 8 are uniformly distributed on the surface of the circular structure at the end part of the fixing block 7.

The outer wall of the end part of the fixed block 7 and the inner wall of the sleeve pipe 9 are mutually attached, and the fixed block 7 and the sleeve pipe 9 form an elastic telescopic structure through an internal spring 10.

When the water valve is required to be detected, the water valve is placed between the fixing blocks 7 on the two sides, the central screw rod 4 is rotated, the adjusting block 3 in threaded connection can be moved upwards by rotating the central screw rod 4, the adjusting block 3 can be pushed to the extrusion rod 6 by using the inclined edge after being moved, the fixing blocks 7 can be moved towards the inner side of the base 1 after the extrusion rod 6 is stressed, the left end and the right end of the water valve can be fixedly clamped through the movement of the fixing blocks 7, anti-skidding patterns 8 are uniformly distributed on the surfaces of the end parts of the fixing blocks 7, and the contact friction force with the water valve can be improved by using the arrangement of the anti-skidding patterns 8.

The movable plate 11 is arranged on the inner side of the support frame 2, a cylinder 12 is fixedly arranged above the side edge of the movable plate 11, a servo motor 13 is fixedly connected to the middle part of the upper end of the movable plate 11, and a transmission rod 14 is connected to the output end of the servo motor 13; the protection cover 15 is fixedly connected to the lower end of the transmission rod 14, a main air bag 16 is arranged above the protection cover 15, an electric push rod 17 is arranged above the main air bag 16, and the electric push rod 17 is fixedly arranged at the lower end of the movable plate 11; and a conveying pipe 18 for connecting the main air bag 16 and the limit air bag 19, wherein the limit air bag 19 is arranged inside the protective cover 15. The main air bag 16 and the limit air bag 19 are both made of elastic rubber, and the limit air bag 19 is of an annular structure.

After the water valve is fixed, as shown in fig. 1, fig. 4 and fig. 5, the cylinder 12 is opened, the movable plate 11 can be moved downwards through the opening of the cylinder 12, the movable plate 11 is moved downwards to enable the protective cover 15 to move downwards and cover the round knob switch at the end part of the water valve, at the moment, the main air bag 16 can be extruded through the downward movement of the electric push rod 17, air flow in the pressed main air bag 16 can enter the limit air bag 19 through the conveying pipe 18, the round knob switch at the end part of the water valve can be fixed through the expansion of the limit air bag 19 after the air inflation, then the forward and backward rotation of the driving rod 14 is controlled through the servo motor 13, and the forward and backward rotation of the driving rod 14 is utilized to drive the round knob switch at the end part of the water valve after the fixing to rotate synchronously, so that whether the valve switch can be used normally and effectively after reaching the standard reciprocating rotation number of turns can be judged through the number of turns of the driving rod 14.

Working principle: when the water valve switch detection device with the diameter adjusting mechanism is used, firstly, according to the illustration in fig. 1-5, the rotation of the central screw rod 4 can enable the adjusting block 3 in threaded connection to move upwards and push the extrusion rod 6, the fixed block 7 of the extrusion rod 6 can move towards the inner side of the base 1 after moving, so that the left end and the right end of the water valve are fixedly clamped, the movable plate 11 moves downwards, the protective cover 15 of the movable plate moves downwards and covers the round knob switch at the end part of the water valve, the round knob switch at the end part of the water valve is fixed through the expansion of the limit air bag 19, then the driving rod 14 is controlled to rotate positively and negatively through the servo motor 13, and whether the valve switch can be used normally and effectively after reaching the standard reciprocating rotation number of turns or not is judged through the number of turns of the driving rod 14.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The water valve switch detection device with the diameter adjustment mechanism comprises a base (1) and a support frame (2), wherein the upper end of the base (1) is fixedly connected with the support frame (2);

characterized by further comprising:

the adjusting block (3) is arranged in the middle of the upper end of the base (1), a central screw rod (4) is arranged in the middle of the adjusting block (3), and a guide post (5) is arranged on the side edge of the adjusting block (3) in a penetrating manner;

the extrusion rod (6) is positioned at the side edge of the adjusting block (3), the upper end of the extrusion rod (6) is fixedly arranged below the fixed block (7), the end part of the fixed block (7) is provided with anti-skid patterns (8), the end part of the fixed block (7) stretches into the sleeve pipe (9), and the inside of the sleeve pipe (9) is connected with the end part of the fixed block (7) through the built-in spring (10);

the movable plate (11) is arranged on the inner side of the supporting frame (2), a cylinder (12) is fixedly arranged above the side edge of the movable plate (11), a servo motor (13) is fixedly connected to the middle part of the upper end of the movable plate (11), and the output end of the servo motor (13) is connected with a transmission rod (14);

the protection cover (15) is fixedly connected to the lower end of the transmission rod (14), a main air bag (16) is arranged above the protection cover (15), an electric push rod (17) is arranged above the main air bag (16), and the electric push rod (17) is fixedly arranged at the lower end of the movable plate (11);

and the conveying pipe (18) is used for connecting the main air bag (16) and the limiting air bag (19), and the limiting air bag (19) is arranged in the protective cover (15).

2. The water valve switch detection device with diameter adjustment mechanism of claim 1, wherein: the middle part of the adjusting block (3) is in threaded connection with the central screw rod (4), and the adjusting block (3) can slide on the guide column (5) in the vertical direction.

3. The water valve switch detection device with diameter adjustment mechanism of claim 1, wherein: the joint surface of the side edge of the adjusting block (3) and the lower end of the extrusion rod (6) is provided with a bevel edge, and the lower end of the extrusion rod (6) is of a spherical structure.

4. The water valve switch detection device with diameter adjustment mechanism of claim 1, wherein: the clamping end of the fixing block (7) to the water valve is of a circular structure, and anti-skidding patterns (8) are uniformly distributed on the surface of the circular structure at the end part of the fixing block (7).

5. The water valve switch detection device with diameter adjustment mechanism of claim 1, wherein: the outer wall of the end part of the fixed block (7) is mutually attached to the inner wall of the sleeve pipe (9), and the fixed block (7) and the sleeve pipe (9) form an elastic telescopic structure through an internal spring (10).

6. The water valve switch detection device with diameter adjustment mechanism of claim 1, wherein: the main air bag (16) and the limiting air bag (19) are made of elastic rubber, and the limiting air bag (19) is of an annular structure.