Ultra-thin pressure switch
By designing ultra-thin pressure switches, using mechanical movement to transmit pressure and change the switch state, the problem of large volume of traditional pressure switches is solved, and a compact structure and stable pressure detection are achieved, meeting the space saving needs of modern equipment.
Patent Information
- Application Number
- CN202420616401.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-28
- Publication Date
- 2024-12-27
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Traditional pressure switches are large in size and occupy a lot of space, which cannot meet the needs of modern equipment for miniaturization and lightweight.
An ultra-thin pressure switch is designed, including a shell body and a shell cover, equipped with a connecting tube, a diaphragm, a hard and soft movable column, a micro switch and other components protruding outwards, so as to achieve pressure through mechanical movement. Transmission and switching state changes, using efficient spatial layout and component connection to achieve ultra-thin structures.
It realizes high internal space utilization and stable pressure detection, provides a more compact structural design, facilitates equipment installation and maintenance, and ensures work stability.
Smart Images
Figure CN222260847U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pressure switches, in particular to an ultra-thin pressure switch. Background Art
[0002] The pressure switch is an efficient and reliable pressure detection device. It is widely used in industrial automation, petrochemical, food and other fields. It is installed on the pipe or container carrying the measured medium, and changes the circuit on-off state according to the different pressures.
[0003] However, traditional pressure switches are often large in size and take up a lot of space, which cannot meet the needs of modern equipment for miniaturization and lightness. Therefore, developing an ultra-thin pressure switch is of positive significance for saving the space occupied by the equipment and facilitating the inspection and maintenance of the equipment. Summary of the invention
[0004] The purpose of the utility model is to provide an ultra-thin pressure switch to solve the problem that the traditional pressure switch is large in size and occupies a lot of space.
[0005] In order to solve the above technical problems, the technical solutions adopted by the utility model are as follows:
[0006] An ultra-thin pressure switch comprises a shell body and a shell cover, the two are connected to form a sealed space, the shell body is provided with a connecting tube protruding outward, a diaphragm is provided in the connecting tube, the diaphragm blocks the outside and the space between the shell body and the shell cover, the diaphragm is connected to a hard movable column inwardly of the shell body, the hard movable column is connected to a soft movable column in the direction of the shell cover, the other end of the soft movable column is connected to a micro switch, and the micro switch is connected to a wiring terminal provided on the outer side of the shell body or the shell cover through wiring.
[0007] Furthermore, a sleeve is arranged outside the soft movable column, the sleeve is fixed to the shell body, two ends of the soft movable column are exposed outside the sleeve, and two ends of the sleeve are provided with outwardly expanding trumpet-shaped openings.
[0008] Furthermore, the included angle between the central axis of the hard movable column and the soft movable column and the end of the micro switch is in the range of 75° to 115°.
[0009] Furthermore, a bracket is provided between the portion where the hard movable column is connected to the soft movable column and the diaphragm, a compression spring is provided between the bracket and the diaphragm, and the hard movable column passes through the middle of the bracket and the compression spring.
[0010] Furthermore, the number of the soft movable columns is ≥2, and each soft movable column is connected to an action reed extending from a micro switch.
[0011] Furthermore, the bracket is connected and fixed to the shell body, and the bracket and the diaphragm sandwich the compression spring in the middle.
[0012] Furthermore, the shell body and the shell cover are separable and connected via threads.
[0013] Furthermore, the soft movable column is slidably connected to the sleeve.
[0014] Furthermore, an open tray is provided at one end of the hard movable column, and the soft movable column is connected to the opening of the open tray.
[0015] The beneficial effects of the technical solution of the utility model are:
[0016] The utility model provides an ultra-thin pressure switch with high internal space utilization. When measuring pressure, the pressure applied to the diaphragm is transmitted to the soft movable column through the hard movable column. The soft movable column moves and squeezes the action reed extending from the micro switch after reaching a certain limit. The internal circuit of the micro switch is connected or disconnected, and the soft movable column can turn and move, thereby realizing the ultra-thin structural design of the switch. ≥2 micro switches are provided, and multiple groups of lines can be connected to ensure working stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0019] Figure 2 for Figure 1 Schematic diagram of the A_A section structure;
[0020] Figure 3 for Figure 1 Schematic diagram of the cross-section structure along the B_B axis;
[0021] Figure 4 for Figure 3 The enlarged schematic diagram at C in the middle;
[0022] Markings in the figure: 1, shell body; 1a, connecting pipe; 1b, diaphragm; 1c, hard movable column; 1d, soft movable column; 1e, micro switch; 1f, wiring terminal; 1g, sleeve; 1h, bracket; 1i, compression spring; 2, shell cover. DETAILED DESCRIPTION
[0023] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0024] See also Figures 1 to 4 An ultra-thin pressure switch comprises a shell body 1 and a shell cover 2, which are connected to form a sealed space. The shell body 1 is provided with a connecting pipe 1a protruding outward, and the connecting pipe 1a is used to be connected to a pipe or a container carrying a measured medium. A diaphragm 1b is arranged in the connecting pipe 1a, and the diaphragm 1b blocks the outside and the space between the shell body 1 and the shell cover 2. One side of the diaphragm 1b contacts the measured medium, and the other side is connected to a hard movable column 1c in the shell body 1. The hard movable column 1c is connected to a soft movable column 1d in the direction of the shell cover 2, and the other end of the soft movable column 1d is connected to a micro switch 1e. The micro switch 1e is connected to a wiring terminal 1f provided on the outer side of the shell body 1 or the shell cover 2 through wiring. The wiring terminal 1f arranged on the side further reduces the thickness of the pressure switch.
[0025] In order to realize the mobility of the soft movable column 1d, a sleeve 1g is arranged outside it, the sleeve 1g is fixed to the shell body 1, the soft movable column 1d and the sleeve 1g are slidably connected, the two ends of the bendable soft movable column 1d are exposed outside the sleeve 1g, and the two ends of the sleeve 1g are provided with outward-expanded trumpet-shaped openings to facilitate the insertion of the soft movable column 1d.
[0026] An open tray is provided at one end of the hard movable column 1c, and the soft movable column 1d is connected to the opening of the open tray. The angle range of the central axis of the hard movable column 1c and the soft movable column 1d connecting the micro switch 1e end is 75° to 115°. The steerable movement setting of the soft movable column 1d realizes the ultra-thin structure design of the switch.
[0027] A bracket 1h is arranged between the hard movable column 1c and the soft movable column 1d and the diaphragm 1b, and a compression spring 1i is arranged between the bracket 1h and the diaphragm 1b. The hard movable column 1c passes through the middle of the bracket 1h and the compression spring 1i. The bracket 1h is connected and fixed to the shell body 1, and it and the diaphragm 1b sandwich the compression spring 1i in the middle. The hard movable column 1c can move relative to the bracket 1h. When the diaphragm 1b is subjected to pressure, the hard movable column 1c is squeezed inwardly, so that it pushes the soft movable column 1d to move. The soft movable column 1d moves and turns internally. The compression spring 1i is used to reset the hard movable column 1c when the diaphragm 1b is not under pressure.
[0028] The number of soft movable columns 1d is ≥2, and each soft movable column 1d is connected to an action reed extending from a micro switch 1e. The micro switch 1e is a component widely used in mechanical and electronic equipment. Its main function is to detect the position of an object and change the switch state. When the soft movable column touches the action reed, the electric point contactor in the micro switch 1e will be opened or closed. Normally open and normally closed are two basic working modes of the micro switch. Normally open means that when the action reed is not triggered, the circuit remains in an open state, and normally closed means that when the action reed is not triggered, the circuit remains in a closed state.
[0029] In order to realize convenient assembly and disassembly of the switch, the shell body 1 and the shell cover 2 are separable and connected by threads.
[0030] The working principle of the utility model is as follows: one side of the diaphragm 1b contacts the measured medium, the pressure is transmitted through the hard active column 1c and the soft active column 1d, and finally the pressure is turned and transmitted to the micro switch 1e in the ultra-thin space. Pure mechanical movement can cause the micro switch 1e to operate, opening or closing the circuit.
[0031] The above embodiments of the present invention are for inspiration. Through the above description, relevant technicians can make various changes and modifications without departing from the technical concept of the present invention. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. An ultra-thin pressure switch, characterized in that: The invention comprises a shell body (1) and a shell cover (2), the two being connected to form a sealed space, the shell body (1) being provided with a connecting tube (1a) protruding outward, a diaphragm (1b) being provided inside the connecting tube (1a), the diaphragm (1b) blocking the outside and the space between the shell body (1) and the shell cover (2), the diaphragm (1b) being connected to a hard movable column (1c) in the direction of the shell body (1), the hard movable column (1c) being connected to a soft movable column (1d) in the direction of the shell cover (2), the other end of the soft movable column (1d) being connected to a micro switch (1e), the micro switch (1e) being connected to a connecting terminal (1f) provided on the outer side of the shell body (1) or the shell cover (2) through wiring.
2. The ultra-thin pressure switch according to claim 1, characterized in that: The soft movable column (1d) is provided with a sleeve (1g) outside, the sleeve (1g) is fixed to the shell body (1), the two ends of the soft movable column (1d) are exposed outside the sleeve (1g), and the two ends of the sleeve (1g) are provided with outwardly expanding trumpet-shaped openings.
3. The ultra-thin pressure switch according to claim 1, characterized in that: The included angle between the central axis of the hard movable column (1c) and the soft movable column (1d) and the end of the micro switch (1e) is in the range of 75° to 115°.
4. The ultra-thin pressure switch according to claim 3, characterized in that: A bracket (1h) is provided between the hard movable column (1c) and the diaphragm (1b) at the point where the hard movable column (1c) is connected to the soft movable column (1d), a compression spring (1i) is provided between the bracket (1h) and the diaphragm (1b), and the hard movable column (1c) passes through the middle of the bracket (1h) and the compression spring (1i).
5. The ultra-thin pressure switch according to claim 1, characterized in that: The number of the soft movable columns (1d) is ≥2, and each soft movable column (1d) is connected to an action reed extending from a micro switch (1e).
6. The ultra-thin pressure switch according to claim 4, characterized in that: The bracket (1h) is connected and fixed to the shell body (1), and it and the diaphragm (1b) sandwich the compression spring (1i) in the middle.
7. The ultra-thin pressure switch according to claim 1, characterized in that: The shell body (1) and the shell cover (2) are separable and connected via threads.
8. The ultra-thin pressure switch according to claim 2, characterized in that: The soft movable column (1d) is slidably connected to the sleeve (1g).
9. The ultra-thin pressure switch according to claim 4, characterized in that: An open tray is provided at one end of the hard movable column (1c), and the soft movable column (1d) is connected to the opening of the open tray.