Contactor for push type switch

Abstract

The utility model relates to the technical field of contactors, and discloses a contactor for a push type switch, which comprises a shell, cylinders are fixedly connected to the middle sides of the left part and the right part of the shell, one ends of springs are fixedly connected to the inner bottom sides of the cylinders, and sliding blocks are fixedly connected to the other ends of the springs. And mounting plates are fixedly connected to the sides, close to each other, of the sliding blocks, a contactor is fixedly connected between the sides, close to each other, of the upper portions of the mounting plates, bolts are connected to the upper sides of the interiors of the cylinders in a threaded mode, and pin mechanisms are arranged on the front side and the rear side of the interior of the shell. According to the utility model, through the cylinder and spring structure, the spring deformation is adjusted by rotating the bolt, so that the height of the contactor with the button is adjusted, and the pressing stroke adjustment is realized; the pin mechanism is matched with the spring piece in the square box to fix the second connecting terminal, the fixation of the head of the pin is guaranteed, replacement is convenient, and the problem of maintenance cost is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of contactors, in particular to a contactor for a push-type switch. Background Art

[0002] Push-type switches and contactors play an important role in electrical control systems. Push-type switches realize the on and off of circuits through manual operation, while contactors control the opening and closing of high-power equipment through electromagnetic coils. Combining the two can simplify the control process and improve the convenience and reliability of the system. This combination is particularly important in industrial automation and daily electrical appliances because it can quickly respond to manual instructions and realize remote automatic control through contactors, thereby improving the performance and safety of the overall system;

[0003] After searching, Chinese patent announcement number: CN2770064Y discloses a contactor for a push-type switch, comprising: an edge end (11) having a protruding curved plate shape and connected to the first and second connection terminals (G1, C2) formed on both sides of a substrate (G); a downward protruding portion (12) located in the middle and selectively connected to the third connection terminal (G3) formed in the middle of the substrate (G) after elastic deformation by external pressure; an upward protruding portion (13) formed on the contact surface (12a) of the downward protruding portion (12); wherein the upward protruding portion (13) has a polygonal shape and the downward protruding portion (12) has a circular shape. According to the push-type switch contactor with the above structure, the contact surface (12a) of the contactor (10) and the connection terminal (G3) of the substrate (G) are connected through multiple point contacts. Therefore, when foreign matter is caught between the contact surface of the contactor and the connection terminal of the substrate, electrical connection can be achieved even if only one of the multiple point contact parts is in contact, thereby reducing the malfunction of the switch caused by foreign matter and improving the switch performance;

[0004] During operation, the patented technology cannot adjust the pressing stroke, which limits its flexibility and adaptability. In addition, during transportation or welding, the pins may break and cannot be repaired, increasing costs. Therefore, a contactor for a push-type switch is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a contactor for a push-type switch, aiming to improve the problem that the contactor for a push-type switch in the prior art cannot adjust the pressing stroke during operation and the pins are easy to break and difficult to repair during transportation or welding.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a contactor for a push-type switch, comprising a shell, a cylinder is fixedly connected to the middle side of the left and right parts of the shell, one end of a spring is fixedly connected to the inner bottom side of the cylinder, the other end of the spring is fixedly connected to a slider, the adjacent sides of the slider are fixedly connected to a mounting plate, the upper part of the mounting plate is fixedly connected to the adjacent sides, a bolt is threadedly connected to the inner upper side of the cylinder, and a pin mechanism is provided on the inner front and rear sides of the shell;

[0007] As a further description of the above technical solution: the pin mechanism includes a square box, the front and rear sides of the shell are fixedly connected to the square box, the inner four sides of the square box are fixedly connected to spring sheets, the upper spring sheets are fixedly connected to the second connection terminals, and the inner side of the square box is clamped with pins;

[0008] As a further description of the above technical solution: a bent portion is fixedly connected between the upper portions of the second connecting terminals, and a downwardly protruding portion is fixedly connected to the middle side of the lower portion of the bent portion;

[0009] As a further description of the above technical solution: a first connecting terminal is fixedly connected to the inner bottom side of the housing;

[0010] As a further description of the above technical solution: the pins are all snap-connected with a substrate and the substrate is in contact with the housing;

[0011] As a further description of the above technical solution: the upper part of the bent portion contacts the lower middle side of the contactor;

[0012] As a further description of the above technical solution: the contactor is externally fixedly connected with a limiting ring plate;

[0013] As a further description of the above technical solution: a button is fixedly connected to the middle side of the upper part of the contactor.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, a spring with a slider is squeezed by rotating a bolt through structures such as a cylinder and a spring, and the deformation length of the spring is increased or decreased to adjust the height of a contactor connected to the slider and having a button, thereby adjusting the pressing stroke; then, the contactor with a button is pressed, and the contactor is deformed into an "M" shape, so that the bent portion with a downward protruding portion in contact with the contactor contacts the first connecting terminal, and the contactor is restored after being released, thereby being able to adjust the pressing stroke, thereby improving the flexibility and adaptability of use.

[0016] 2. In the utility model, spring sheets are arranged around the inside of the square box through the cooperation of structures such as the pin mechanism, the second connecting terminal is fixed on the upper part of the upper spring sheet, and the head with one end of the pin is inserted into the inside of the square box. The spring sheet will squeeze the head at one end of the pin to achieve fixation. During transportation or welding, if the pin is broken, it can be pulled out and replaced with a new pin, thereby solving the problem of being unable to repair and increasing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an overall structural diagram of a contactor for a push-type switch proposed by the utility model;

[0018] Figure 2 This is a front sectional view of a contactor for a push-type switch proposed by the utility model;

[0019] Figure 3 It is a right sectional view of a contactor for a push-type switch proposed by the utility model;

[0020] Figure 4 for Figure 3 A detailed enlarged view of the pin mechanism in the overall structure diagram.

[0021] Legend:

[0022] 1. Base plate; 2. Shell; 3. Button; 4. Contactor; 5. Cylinder; 6. Bolt; 7. First connecting terminal; 8. Spring; 9. Slider; 10. Mounting plate; 11. Pin mechanism; 1101. Square box; 1102. Second connecting terminal; 1103. Spring sheet; 1104. Pin; 12. Limiting ring plate; 13. Bending portion; 14. Downward protruding portion. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Reference Figure 1-Figure 4The utility model provides a contactor embodiment for a push-type switch: a contactor for a push-type switch, including a shell 2, a cylinder 5 is fixedly connected to the middle side of the left and right parts of the shell 2, one end of a spring 8 is fixedly connected to the inner bottom side of the cylinder 5, and the other end of the spring 8 is fixedly connected to a slider 9, and the adjacent sides of the slider 9 are fixedly connected to a mounting plate 10, and the upper side of the mounting plate 10 is fixedly connected to a contactor 4, and the upper side of the cylinder 5 is threadedly connected to a bolt 6, and the front and rear sides of the shell 2 are provided with a pin mechanism 11, and the pin mechanism 11 includes a square box 1101, and the front and rear sides of the shell 2 are fixedly connected to the square box 1101, and the square box 11 Spring sheets 1103 are fixedly connected on all four sides of the interior of 01, and the upper spring sheets 1103 are fixedly connected to the second connecting terminals 1102. Pins 1104 are snapped into the interior of the square box 1101, a bending portion 13 is fixedly connected between the upper parts of the second connecting terminals 1102, a downward protruding portion 14 is fixedly connected to the lower middle side of the bending portion 13, a first connecting terminal 7 is fixedly connected to the inner bottom side of the shell 2, the pins 1104 are snapped into the substrate 1 and the substrate 1 is in contact with the shell 2, the upper part of the bending portion 13 is in contact with the lower middle side of the contactor 4, a limiting ring plate 12 is fixedly connected to the outside of the contactor 4, and a button 3 is fixedly connected to the upper middle side of the contactor 4.

[0025] A cylinder 5 is connected to the middle side of the left and right parts of the shell 2, a spring 8 is connected to the inner bottom side of the cylinder 5, a slider 9 is connected to the upper end of the spring 8, a mounting plate 10 is provided on the adjacent side of the slider 9, a contactor 4 is connected between the adjacent sides of the upper part of the mounting plate 10, a bolt 6 is provided on the inner upper side of the cylinder 5, the bolt 6 is rotated to squeeze the spring 8 with the slider 9, the deformation length of the spring 8 is increased or decreased, and the height of the contactor 4 connected to the slider 9 and with the button 3 is adjusted to adjust the pressing stroke; then the contactor 4 with the button 3 is pressed, and the contactor 4 will be deformed into an "M" shape, so that the contactor 4 with the downward protrusion in contact with it is adjusted. The bent portion 13 of part 14 contacts the first connecting terminal 7, and the contactor 4 recovers after being released, so that the pressing stroke can be adjusted, thereby improving the flexibility and adaptability of use; and spring sheets 1103 are arranged around the inside of the square box 1101, and the second connecting terminal 1102 is fixed to the upper part of the upper spring sheet 1103, and the head with one end of the pin 1104 is inserted into the inside of the square box 1101. The spring sheet 1103 will squeeze the head at one end of the pin 1104 to achieve fixation. During transportation or welding, if the pin 1104 breaks, it can be pulled out and replaced with a new pin 1104, thereby solving the problem of being unable to repair and increasing costs.

[0026] Working principle: a cylinder 5 is connected to the middle side of the left and right parts of the shell 2, a spring 8 is connected to the inner bottom side of the cylinder 5, a slider 9 is connected to the upper end of the spring 8, a mounting plate 10 is provided on the adjacent side of the slider 9, a contactor 4 is connected between the adjacent sides of the upper part of the mounting plate 10, a bolt 6 is provided on the inner upper side of the cylinder 5, the bolt 6 is rotated to squeeze the spring 8 with the slider 9, the deformation length of the spring 8 is increased or decreased, and the height of the contactor 4 connected to the slider 9 and with the button 3 is adjusted to adjust the pressing stroke; then the contactor 4 with the button 3 is pressed, and the contactor 4 will be deformed into an "M" shape, so that the downward contactor 4 in contact with it will be adjusted. The bent portion 13 of the protruding portion 14 contacts the first connecting terminal 7, and the contactor 4 recovers after being released, so that the pressing stroke can be adjusted, thereby improving the flexibility and adaptability of use; and spring sheets 1103 are arranged around the inside of the square box 1101, and the second connecting terminal 1102 is fixed to the upper part of the upper spring sheet 1103, and the head with one end of the pin 1104 is inserted into the inside of the square box 1101. The spring sheet 1103 will squeeze the head at one end of the pin 1104 to achieve fixation. During transportation or welding, if the pin 1104 breaks, it can be pulled out and replaced with a new pin 1104, thereby solving the problem of being unable to repair and increasing costs.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A contactor for a push-type switch, comprising a housing (2), characterized in that: A cylinder (5) is fixedly connected to the middle sides of the left and right parts of the shell (2); one end of a spring (8) is fixedly connected to the inner bottom side of the cylinder (5); a slider (9) is fixedly connected to the other end of the spring (8); a mounting plate (10) is fixedly connected to the adjacent sides of the slider (9); a contactor (4) is fixedly connected between the adjacent sides of the upper part of the mounting plate (10); a bolt (6) is threadedly connected to the inner upper side of the cylinder (5); and a pin mechanism (11) is provided on the front and rear sides of the inner part of the shell (2).

2. A contactor for a push-type switch according to claim 1, characterized in that: The pin mechanism (11) comprises a square box (1101), the front and rear sides of the interior of the housing (2) are fixedly connected to the square box (1101), the interior of the square box (1101) is fixedly connected to spring sheets (1103) on all four sides, the upper side of the spring sheets (1103) are fixedly connected to second connection terminals (1102), and the interior of the square box (1101) is locked with pins (1104).

3. A contactor for a push-type switch according to claim 2, characterized in that: A bent portion (13) is fixedly connected between the upper portions of the second connection terminals (1102), and a downwardly protruding portion (14) is fixedly connected to the middle side of the lower portion of the bent portion (13).

4. A contactor for a push-type switch according to claim 1, characterized in that: A first connecting terminal (7) is fixedly connected to the inner bottom side of the housing (2).

5. A contactor for a push-type switch according to claim 2, characterized in that: The pins (1104) are all snap-connected with the substrate (1), and the substrate (1) is in contact with the housing (2).

6. A contactor for a push-type switch according to claim 3, characterized in that: The upper portion of the bent portion (13) contacts the lower middle side of the contactor (4).

7. A contactor for a push-type switch according to claim 1, characterized in that: The contactor (4) is externally fixedly connected with a limiting ring plate (12).

8. A contactor for a push-type switch according to claim 1, characterized in that: A button (3) is fixedly connected to the middle side of the upper part of the contactor (4).

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