CN220933853U

CN220933853U - Sheet-shaped piezoresistor

Info

Publication number: CN220933853U
Application number: CN202322232749.6U
Authority: CN
Inventors: 吴兆丹
Original assignee: Shenzhen Weisheng Electronics Co ltd
Current assignee: Shenzhen Weisheng Electronics Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-05-10
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses a chip varistor, which comprises a mounting seat, wherein a mounting screw is connected to the inner thread of the mounting seat, a resistor main body is fixedly connected to the top of the mounting seat, pins are arranged on the surface of the resistor main body, stress plates are rotatably connected to the two sides of the resistor main body, a sliding block is rotatably connected to the top of the stress plates, a connecting plate fixedly connected with the mounting seat is slidably connected to the side surface of the sliding block, the stress plates are applied with thrust when the resistor main body swings left and right, so that the stress plates form a swinging state, thrust is applied to the sliding block when the resistor main body swings, the sliding block slides along the connecting plate, and extrusion force is applied to a spring damper when the resistor main body slides, so that the resistor main body forms a contraction state, and when the resistor main body contracts, the thrust of the sliding block is converted into elastic potential energy, so that the movement amplitude of the sliding block is reduced, and the purpose of damping the resistor main body is further realized.

Description

Sheet-shaped piezoresistor

Technical Field

The utility model relates to the technical field of piezoresistors, in particular to a flaky piezoresistor.

Background

The varistor is a voltage limiting type protection device, utilizes the nonlinear characteristic of the varistor, when a voltage is applied between two poles of the varistor, the varistor can clamp the voltage to a relatively fixed voltage value, thereby realizing the protection of a post-stage circuit and being widely applied to various electronic equipment.

However, when the conventional piezoresistor is used, the conventional piezoresistor lacks a shock-absorbing measure, if the piezoresistor shakes under the influence of the outside, the internal components are loosened for a long time, and then the normal use of the resistor is affected, so that the use requirement of people is not met, and the chip piezoresistor is needed.

Disclosure of utility model

In order to solve the defect that the prior piezoresistor lacks a shock absorbing measure when in use, if the piezoresistor shakes under the influence of the outside, the internal components are loosened and the normal use of the resistor is influenced after a long time, the utility model provides the flaky piezoresistor.

In order to solve the technical problems, the utility model provides the following technical scheme:

The utility model discloses a chip varistor, which comprises a mounting seat, wherein a mounting screw is connected to the inner thread of the mounting seat, a resistor main body is fixedly connected to the top of the mounting seat, pins are arranged on the surface of the resistor main body, stress plates are rotatably connected to the two sides of the resistor main body, a sliding block is rotatably connected to the top of the stress plates, and a connecting plate fixedly connected with the mounting seat is slidably connected to the side surface of the sliding block.

As a preferable technical scheme of the utility model, a connecting rod is fixedly connected to one side of the surface of the resistor main body, which deviates from the pin, a turntable is rotatably connected to the surface of the connecting rod, a nut in threaded connection with the connecting rod is attached to the surface of the turntable, a pull plate is rotatably connected to one side of the surface of the turntable, which deviates from the nut, a transmission plate in sliding connection with the resistor main body is rotatably connected to the surface of the pull plate, and a support ring attached to the pin is fixedly connected to the tail of the transmission plate.

As a preferable technical scheme of the utility model, the stress plates are symmetrically arranged in two groups about the central line of the resistor main body, and the joints of the two groups of stress plates and the resistor main body are positioned at the end points of the stress plates.

As an optimized technical scheme of the utility model, the stress plate forms a telescopic structure through the spring damper, and the spring damper and the mounting seat are arranged in parallel.

As a preferable technical scheme of the utility model, two groups of pull plates are symmetrically arranged about the center point of the turntable, and the joint positions of the two groups of pull plates and the turntable deviate from the center point of the turntable.

As a preferable technical scheme of the resistor, the pull plate rotates through the turntable to form a swinging structure, and the pull plate drives the transmission plate to form a sliding structure along the surface of the resistor main body.

As a preferable technical scheme of the utility model, the circle centers of the support ring and the pins are positioned at the same point, and the pins are closely attached to the support ring.

The utility model has the following beneficial effects:

Through setting up the atress board, when the resistance main part rocks about, can exert thrust to the atress board for the atress board constitutes the swing state, when its swing, can exert thrust to the slider, makes it slide along the connecting plate, and when sliding, can exert the extrusion force to the spring damper, makes it constitute the shrink state, and when the shrink, converts the thrust of slider into elasticity potential energy, thereby lightens the motion range of slider, further realizes carrying out absorbing purpose to the resistance main part.

Through setting up the holding ring, in order to avoid the pin when using, take place to the crooked problem of inboard, lead to the pin pine takes off, the accessible holding ring is carried out it steadily and is supported, when needing to pack up the holding ring, only need unscrew the nut, control carousel rotates around the linking pole afterwards, can exert pulling force simultaneously to two sets of arm-tie, make it constitute the swing state, and when the swing, apply pulling force to the centre of a circle of carousel by the drive plate, make the drive plate slide along the resistance main part, and when sliding, drive holding ring synchronous motion, realize accomodating the purpose of holding the holding ring.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of a sheet varistor according to the present utility model;

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

FIG. 3 is a schematic diagram of a force-bearing plate structure of a sheet varistor according to the present utility model;

FIG. 4 is a schematic diagram of a driving plate structure of a sheet varistor according to the present utility model.

In the figure: 1. a mounting base; 2. installing a screw; 3. a resistor main body; 4. a force-bearing plate; 5. a spring damper; 6. a connecting plate; 7. pins; 8. a connecting rod; 9. a nut; 10. a turntable; 11. pulling a plate; 12. a drive plate; 13. a support ring; 14. a sliding block.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in fig. 1-4, the chip varistor comprises a mounting seat 1, wherein a mounting screw 2 is connected with the inside of the mounting seat 1 in a threaded manner, a resistor main body 3 is fixedly connected with the top of the mounting seat 1, pins 7 are arranged on the surface of the resistor main body 3, stress plates 4 are rotatably connected with both sides of the resistor main body 3, a sliding block 14 is rotatably connected with the top of the stress plates 4, and a connecting plate 6 fixedly connected with the mounting seat 1 is slidably connected with the side surface of the sliding block 14.

The surface of the resistor main body 3 deviates from one side of the pin 7 and is fixedly connected with a connecting rod 8, the surface of the connecting rod 8 is rotationally connected with a rotary table 10, the surface of the rotary table 10 is attached with a nut 9 which is in threaded connection with the connecting rod 8, the surface of the rotary table 10 deviates from one side of the nut 9 and is rotationally connected with a pull plate 11, the surface of the pull plate 11 is rotationally connected with a transmission plate 12 which is in sliding connection with the resistor main body 3, and the tail part of the transmission plate 12 is fixedly connected with a support ring 13 attached with the pin 7.

Wherein, atress board 4 is provided with two sets of about the central line symmetry of resistance main part 3, and two sets of atress boards 4 all are located self extreme point department with the junction of resistance main part 3, in order to avoid it to take place to rock, through setting up atress board 4, when resistance main part 3 rocks about, can exert thrust to atress board 4 for atress board 4 constitutes the swing state, when its swing, can exert thrust to slider 14, makes it slide along connecting plate 6.

The stress plate 4 forms a telescopic structure through the spring damper 5, the spring damper 5 and the mounting seat 1 are arranged in parallel, when the sliding block 14 slides, extrusion force is applied to the spring damper 5 to form a contracted state, and when the sliding block 14 contracts, the thrust of the sliding block 14 is converted into elastic potential energy, so that the movement amplitude of the sliding block 14 is reduced, and the purpose of damping the resistor main body 3 is further achieved.

Wherein, the pull plates 11 are symmetrically arranged with respect to the center point of the turntable 10, the joint between the two pull plates 11 and the turntable 10 is deviated from the center point of the turntable 10, the turntable 10 is controlled to rotate around the joint rod 8, and when the turntable rotates, a pulling force is applied to the two pull plates 11 at the same time, so that the turntable is in a swinging state.

Wherein, the pull plate 11 forms a swinging structure through the rotation of the turntable 10, the pull plate 11 drives the transmission plate 12 to form a sliding structure along the surface of the resistor main body 3, and when the pull plate 11 swings, the transmission plate 12 applies a pulling force to the circle center of the turntable 10, so that the transmission plate 12 slides along the resistor main body 3, and when sliding, the support ring 13 is driven to synchronously move, thereby achieving the purpose of accommodating the support ring 13.

The center of the supporting ring 13 and the center of the pin 7 are located at the same point, the pin 7 is tightly attached to the supporting ring 13, so that the pin 7 is loosened due to the problem that the pin 7 is bent inwards when in use, and the pin is stably supported by the supporting ring 13.

During operation, first, four groups of mounting screws 2 arranged on the mounting seat 1 can be used for mounting the mounting seat 1, so that the resistor main body 3 is mounted, when the resistor main body 3 is used, in order to avoid shaking, the stress plate 4 is arranged, when the resistor main body 3 shakes left and right, the stress plate 4 is pushed to form a swinging state, when the resistor main body 3 swings, the sliding block 14 is pushed to slide along the connecting plate 6, and when the sliding block slides, the spring damper 5 is pushed to form a contracted state, and when the sliding block is contracted, the pushing force of the sliding block 14 is converted into elastic potential energy, so that the movement range of the sliding block 14 is reduced, and the purpose of damping the resistor main body 3 is further realized.

Then, in order to avoid the problem that the pin 7 is bent inwards when in use, the pin 7 is loosened, the pin 7 can be stably supported by the supporting ring 13, when the supporting ring 13 needs to be retracted, only the nut 9 needs to be unscrewed, then the turntable 10 is controlled to rotate around the connecting rod 8, when the turntable rotates, the tension is simultaneously applied to the two groups of pull plates 11 to form a swinging state, when in swinging, the tension is applied to the circle center of the turntable 10 by the driving plate 12, the driving plate 12 slides along the resistor main body 3, and when in sliding, the supporting ring 13 is driven to synchronously move, so that the purpose of accommodating the supporting ring 13 is realized.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A chip varistor comprising a mounting seat (1), characterized in that: the novel electric resistor is characterized in that the mounting seat (1) is internally connected with the mounting screw (2) in a threaded manner, the top of the mounting seat (1) is fixedly connected with the resistor main body (3), pins (7) are arranged on the surface of the resistor main body (3), the two sides of the resistor main body (3) are rotationally connected with the stress plate (4), the top of the stress plate (4) is rotationally connected with the sliding block (14), and the side face of the sliding block (14) is slidably connected with the connecting plate (6) fixedly connected with the mounting seat (1).

2. A sheet varistor according to claim 1, characterized in that: the surface of resistance main part (3) deviates from one side fixedly connected with linking pole (8) in pin (7), the surface swivelling joint of linking pole (8) has carousel (10), the surface laminating of carousel (10) have nut (9) with linking pole (8) threaded connection, the surface of carousel (10) deviates from one side swivelling joint in nut (9) has arm-tie (11), the surface swivelling joint of arm-tie (11) has drive plate (12) with resistance main part (3) sliding connection, afterbody fixedly connected with of drive plate (12) and support ring (13) of pin (7) laminating.

3. A sheet varistor according to claim 1, characterized in that: the stress plates (4) are symmetrically arranged in two groups about the central line of the resistor main body (3), and the joint positions of the stress plates (4) and the resistor main body (3) are located at the end points of the stress plates.

4. A sheet varistor according to claim 3, characterized in that: the stress plate (4) forms a telescopic structure through the spring damper (5), and the spring damper (5) and the mounting seat (1) are arranged in parallel.

5. A sheet varistor according to claim 2, characterized in that: the pull plates (11) are symmetrically arranged in two groups relative to the center point of the turntable (10), and the joint positions of the pull plates (11) and the turntable (10) are deviated from the center point of the turntable (10).

6. A sheet varistor according to claim 2, characterized in that: the pull plate (11) rotates through the turntable (10) to form a swinging structure, and the pull plate (11) drives the transmission plate (12) to form a sliding structure along the surface of the resistor main body (3).

7. A sheet varistor according to claim 2, characterized in that: the circle centers of the support ring (13) and the pins (7) are positioned at the same point, and the pins (7) are tightly attached to the support ring (13).