Knob switch for gas-liquid linkage execution

Abstract

The utility model relates to the technical field of valve control, and discloses a knob switch for gas-liquid linkage execution, which comprises a base, the upper end of the base is provided with a knob body, the lower end of the knob body is provided with a Hall element, the outer side of the Hall element is provided with an anti-loosening assembly, and the outer side of the knob body is provided with a protection assembly. And the anti-loosening assembly comprises a placement bin, a mounting rod is mounted in the placement bin, a spring is arranged in the mounting rod, and a sliding block is mounted at one end of the spring. According to the utility model, through the anti-loosening assembly, the Hall element is effectively prevented from loosening, the accuracy and sensitivity of the Hall element are ensured, the stability of normal operation of equipment is ensured to a certain extent, and through the protection assembly, the knob switch is protected, and a user is effectively prevented from touching the switch by mistake, so that accidental operation and electric shock risks are avoided; and the safety of equipment and personnel is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of valve control technology, specifically a rotary switch for pneumatic-hydraulic linkage actuation. Background Technology

[0002] Valve control is a device that uses a pneumatic-hydraulic linkage actuator to control the opening and closing of valves. The basic function of this actuator is to open and close valves, and it has a variety of control modes, such as remote valve opening and closing, automatic pipe rupture protection, and ESD emergency shutdown.

[0003] Traditional pneumatic-hydraulic actuator knob switches have some problems during long-term use. It is necessary to develop a new pneumatic-hydraulic actuator knob switch to improve its durability and safety.

[0004] Chinese Patent Publication No. CN216306444U discloses a rotary switch for pneumatic-hydraulic linkage, comprising a rotary body and a connecting screw disposed on one side of the rotary body. The rotary body has symmetrical connecting screw holes on its left and right sides, and the connecting screw passes through these holes. The connecting screw is perpendicular to the rotary body. The rotary body is made of aluminum and uses metric external cross screws. This invention, by using aluminum instead of plastic, ensures a stable structure and resistance to aging during prolonged use, preventing damage to the rotary switch. By using metric external cross screws instead of the original imperial internal hex screws, the screw position is ensured to be 2.86mm from the edge of the component, ensuring proper installation. The screw and the rotary protective cover can also be installed correctly. When replacing the switch, it is not necessary to replace the entire switch; only the rotary switch needs to be purchased for replacement.

[0005] The aforementioned existing technology, by using aluminum instead of plastic, ensures that the rotary switch remains structurally stable and less prone to aging under rotational force during prolonged use, preventing damage to the knob. It also ensures proper installation by using metric Phillips head screws instead of imperial hexagonal head screws, maintaining a 2.86mm distance between the screw and the component edge. However, the existing rotary switches lack effective mechanisms to prevent the Hall element from loosening, leading to performance instability over extended periods. Loosening of the Hall element not only affects its accuracy and sensitivity but also interferes with the normal operation of the entire device, potentially causing malfunctions. Utility Model Content

[0006] The purpose of this utility model is to provide a rotary switch for pneumatic-hydraulic linkage to solve the problem mentioned in the background art of lacking an effective function to prevent the Hall element from loosening, which leads to the instability of its performance during long-term use. Once the Hall element becomes loose, it will not only affect its accuracy and sensitivity, but also interfere with the normal operation of the entire device, and may even cause malfunctions.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a rotary switch for pneumatic-hydraulic linkage, including a base, a knob body is provided at the upper end of the base, a Hall element is installed at the lower end of the knob body, an anti-loosening component is installed on the outside of the Hall element, and a protective component is installed on the outside of the knob body.

[0008] The anti-loosening component includes a placement chamber, an installation rod is installed inside the placement chamber, a spring is installed inside the installation rod, a slider is installed at one end of the spring, a sliding rod is installed at one end of the slider, and an insulating top block is installed at the top of the sliding rod.

[0009] The protective assembly includes a protective chamber, an installation block mounted on one side of the protective chamber, a rotating rod mounted on the upper end of the installation block, a connecting block mounted on the top of the rotating rod, a protective cover mounted on one side of the connecting block, a first fixing block mounted on the side of the protective cover away from the connecting block, a first magnet mounted on the lower end of the first fixing block, and a second fixing block mounted on the side of the protective chamber away from the installation block, with a second magnet mounted on the upper end of the second fixing block.

[0010] Preferably, the placement compartment is detachably installed at the lower end of the base, and there are multiple sets of mounting rods symmetrically arranged inside the placement compartment.

[0011] Preferably, the mounting rod is detachably disposed within the cavity of the placement chamber, and the spring is disposed within the cavity of the mounting rod.

[0012] Preferably, the slider is slidably disposed in the mounting rod, and the slider passes through the mounting rod and extends to its outer side.

[0013] Preferably, the insulating top block is detachably mounted at the top of the slide bar, and the insulating top block is in contact with the lower end of the Hall element.

[0014] Preferably, the protective compartment is detachably mounted on the upper end of the base, and the rotating rod is rotatably mounted on the upper end of the mounting block.

[0015] Preferably, the connecting block and the rotating rod are detachably connected, the protective cover matches the protective chamber, and the first magnet and the second magnet attract each other.

[0016] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0017] First, this utility model effectively prevents the Hall element from becoming loose by setting an anti-loosening component, ensuring its accuracy and sensitivity, and improving the stability of normal equipment operation to a certain extent. By installing a placement chamber on the outside of the Hall element, an insulating top block installed in the placement chamber presses against the lower end of the Hall element. The insulating top block drives the sliding rod to move, the sliding rod drives the slider to move, and the slider moves, causing the spring to compress, so that the insulating top block presses against the lower end of the Hall element, improving stability.

[0018] Secondly, this utility model protects the rotary switch by setting protective components, effectively preventing users from accidentally touching the switch, thereby avoiding accidental operation and electric shock risks, and greatly improving the safety of equipment and personnel. By rotating the protective cover, the first fixing block moves to the corresponding position of the second fixing block, and the second magnet and the first magnet attract each other, so that the protective cover covers the upper end of the protective chamber, protecting the knob body. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a cross-sectional view of the present invention;

[0021] Figure 3 This is a schematic diagram of the structure of the spring and slider of this utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the protective cover and the first fixing block of this utility model.

[0023] In the diagram: 1. Base; 2. Knob body; 3. Hall element; 4. Anti-loosening component; 401. Placement compartment; 402. Mounting rod; 403. Spring; 404. Slider; 405. Slide rod; 406. Insulating top block; 5. Protective component; 501. Protective compartment; 502. Mounting block; 503. Rotating rod; 504. Connecting block; 505. Protective cover; 506. First fixing block; 507. First magnet; 508. Second magnet; 509. Second fixing block. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-4A rotary switch for pneumatic-hydraulic linkage includes a base 1, a knob body 2 at the upper end of the base 1, a Hall element 3 at the lower end of the knob body 2, an anti-loosening component 4 on the outside of the Hall element 3, and a protective component 5 on the outside of the knob body 2. The anti-loosening component 4 includes a placement chamber 401, an installation rod 402 inside the placement chamber 401, a spring 403 inside the installation rod 402, a slider 404 at one end of the spring 403, a sliding rod 405 at one end of the slider 404, and an insulating top block 406 at the top of the sliding rod 405. The protective component 5 includes a protective chamber 501, an installation block 502 installed on one side of the protective chamber 501, a rotating rod 503 installed on the upper end of the installation block 502, a connecting block 504 installed on the top of the rotating rod 503, a protective cover 505 installed on one side of the connecting block 504, a first fixing block 506 installed on the side of the protective cover 505 away from the connecting block 504, a first magnet 507 installed on the lower end of the first fixing block 506, a second fixing block 509 installed on the side of the protective chamber 501 away from the installation block 502, and a second magnet 508 installed on the upper end of the second fixing block 509.

[0026] Through the above technical solution, the anti-loosening component 4 effectively prevents the Hall element 3 from loosening, ensuring its accuracy and sensitivity, and improving the stability of normal equipment operation to a certain extent. By installing a placement chamber 401 on the outside of the Hall element 3, the insulating top block 406 installed in the placement chamber 401 presses against the lower end of the Hall element 3. The insulating top block 406 drives the slide rod 405 to move, and the slide rod 405 drives the slider 404 to move. The slider 404 moves, causing the spring 403 to compress, so that the insulating top block 406 presses against the lower end of the Hall element 3, improving stability. The protective component 5 protects the rotary switch, effectively preventing users from accidentally touching the switch, thereby avoiding accidental operation and electric shock risks, greatly improving the safety of equipment and personnel. By rotating the protective cover 505, the first fixing block 506 moves to the corresponding position of the second fixing block 509, and the second magnet 508 and the first magnet 507 attract each other, so that the protective cover 505 covers the upper end of the protective chamber 501, protecting the knob body 2.

[0027] Specifically, the placement chamber 401 is detachably installed at the lower end of the base 1, and there are multiple sets of mounting rods 402, which are symmetrically arranged in the inner cavity of the placement chamber 401.

[0028] The above technical solution enables flexible configuration of the mounting rod 402 within the placement chamber 401. Multiple symmetrically arranged mounting rods 402 enhance the stability and balance of the structure, while their detachability facilitates equipment maintenance and replacement.

[0029] Specifically, the mounting rod 402 is detachably installed in the inner cavity of the placement chamber 401, and the spring 403 is installed in the inner cavity of the mounting rod 402.

[0030] The above technical solution improves installation flexibility by making the mounting rod 402 easy to disassemble, and the elastic structure of the spring 403 makes it easier for the insulating top block 406 to abut against the lower end of the Hall element 3, thus improving stability.

[0031] Specifically, the slider 404 is slidably disposed in the mounting rod 402, and the slide rod 405 passes through the mounting rod 402 and extends to its outer side.

[0032] Through the above technical solution, the slider 404 is slidably set to ensure the stability of the slider 404's movement, thereby ensuring the stability of the slide bar 405's movement in the mounting bar 402.

[0033] Specifically, the insulating top block 406 is detachably mounted on the top of the slide bar 405, and the insulating top block 406 is in contact with the lower end of the Hall element 3.

[0034] Through the above technical solution, the insulating top block 406 has certain insulating properties. By using the insulating top block 406 to support the lower end of the Hall element 3, the Hall element 3 is effectively prevented from loosening, ensuring its accuracy and sensitivity, and improving the stability of normal operation of the equipment to a certain extent.

[0035] Specifically, the protective chamber 501 is detachably mounted on the upper end of the base 1, and the rotating rod 503 is rotatably mounted on the upper end of the mounting block 502.

[0036] Through the above technical solution, the protective chamber 501 provides a certain degree of protection for the knob body 2, and the rotating rod 503 is set to rotate to facilitate the rotation of the protective cover 505, thereby facilitating the opening and closing of the protective chamber 501.

[0037] Specifically, the connecting block 504 is detachably connected to the rotating rod 503, the protective cover 505 is matched with the protective chamber 501, and the first magnet 507 and the second magnet 508 are attracted to each other.

[0038] The above technical solution simplifies the opening and closing process of the protective cover 505 by using the attraction between the first magnet 507 and the second magnet 508, making it convenient for users to open or close the protective cover 505. Closing the protective cover 505 effectively protects the rotary switch and prevents users from accidentally touching the switch.

[0039] When it is necessary to improve the stability of Hall element 3 during use, the insulating top block 406 is placed against the lower end of Hall element 3. The movement of the insulating top block 406 presses the slide bar 405 to move. The movement of the slide bar 405 drives the slider 404 to move. The movement of the slider 404 compresses the spring 403. The insulating top block 406 is placed against the lower end of Hall element 3, and the placement chamber 401 is detachably installed at the lower end of the base 1 to improve stability. When it is necessary to prevent users from accidentally touching the switch, the protective cover 505 is rotated. The rotation of the protective cover 505 drives the connecting block 504 to rotate at the upper end of the rotating rod 503. At the same time, the rotation of the protective cover 505 drives the first fixing block 506 to move. When the first fixing block 506 moves to the corresponding position of the second fixing block 509, the second magnet 508 and the first magnet 507 are attracted together, so that the protective cover 505 covers the upper end of the protective chamber 501, protecting the knob body 2 and preventing accidental touch.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made to these embodiments without departing from the principles and spirit, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rotary switch for pneumatic-hydraulic linkage actuation, comprising a base (1), characterized in that: The upper end of the base (1) is provided with a knob body (2), the lower end of the knob body (2) is provided with a Hall element (3), the outside of the Hall element (3) is provided with an anti-loosening component (4), and the outside of the knob body (2) is provided with a protective component (5). The anti-loosening component (4) includes a placement compartment (401), an installation rod (402) is installed inside the placement compartment (401), a spring (403) is installed inside the installation rod (402), a slider (404) is installed at one end of the spring (403), a sliding rod (405) is installed at one end of the slider (404), and an insulating top block (406) is installed at the top of the sliding rod (405). The protective assembly (5) includes a protective chamber (501), a mounting block (502) is installed on one side of the protective chamber (501), a rotating rod (503) is installed on the upper end of the mounting block (502), a connecting block (504) is installed on the top end of the rotating rod (503), a protective cover (505) is installed on one side of the connecting block (504), a first fixing block (506) is installed on the side of the protective cover (505) away from the connecting block (504), a first magnet (507) is installed on the lower end of the first fixing block (506), a second fixing block (509) is installed on the side of the protective chamber (501) away from the mounting block (502), and a second magnet (508) is installed on the upper end of the second fixing block (509).

2. A rotary switch for pneumatic-hydraulic linkage actuation according to claim 1, characterized in that: The placement compartment (401) is detachably installed at the lower end of the base (1), and there are multiple sets of mounting rods (402), which are symmetrically arranged in the inner cavity of the placement compartment (401).

3. A rotary switch for pneumatic-hydraulic linkage actuation according to claim 1, characterized in that: The mounting rod (402) is detachably installed in the inner cavity of the placement chamber (401), and the spring (403) is installed in the inner cavity of the mounting rod (402).

4. A rotary switch for pneumatic-hydraulic linkage actuation according to claim 1, characterized in that: The slider (404) is slidably disposed in the mounting rod (402), and the slide bar (405) passes through the mounting rod (402) and extends to its outer side.

5. A rotary switch for pneumatic-hydraulic linkage actuation according to claim 1, characterized in that: The insulating top block (406) is detachably mounted on the top of the slide bar (405), and the insulating top block (406) is in contact with the lower end of the Hall element (3).

6. A rotary switch for pneumatic-hydraulic linkage actuation according to claim 1, characterized in that: The protective chamber (501) is detachably mounted on the upper end of the base (1), and the rotating rod (503) is rotatably mounted on the upper end of the mounting block (502).

7. A rotary switch for pneumatic-hydraulic linkage actuation according to claim 1, characterized in that: The connecting block (504) is detachably connected to the rotating rod (503), the protective cover (505) matches the protective chamber (501), and the first magnet (507) attracts the second magnet (508).

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