CN211045158U

CN211045158U - Electrode paster piezoresistor subassembly

Info

Publication number: CN211045158U
Application number: CN202020140199.9U
Authority: CN
Inventors: 王琰
Original assignee: Shaanxi Hengyi Pressure Sensitive Electronic Technology Co ltd
Current assignee: Shaanxi Hengyi Pressure Sensitive Electronic Technology Co ltd
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-07-17
Anticipated expiration: 2030-01-22

Abstract

The utility model discloses an electrode paster piezoresistor subassembly, including electrode paster piezoresistor, electrode paster piezoresistor's outer wall is equipped with protection mechanism, protection mechanism includes box, rubber pad, box lid and opening, the opening has all been processed to the bottom left and right sides of box lid, the inner wall of opening and the outer wall clearance fit of electrode paster piezoresistor's CP line. This electrode paster piezoresistor subassembly passes through the box, the cooperation between box lid and the rubber pad for the box can be placed electrode paster piezoresistor with the box lid, avoids the box to remove at electrode paster piezoresistor's outer wall, and this electrode paster piezoresistor subassembly passes through the kelly, the cooperation between elasticity kelly and the box, makes box and box lid carry out fixed connection, not only can carry out stable connection with box and box lid and fix, still carries out quick installation with box and box lid.

Description

Electrode paster piezoresistor subassembly

Technical Field

The utility model relates to a resistor technical field specifically is an electrode paster piezoresistor subassembly.

Background

The piezoresistor is a voltage-limiting element sensitive to voltage change, and is characterized in that: at a given temperature, when the voltage exceeds a certain critical value, the resistance value is sharply reduced, the current passing through the resistance value is sharply increased, and the voltage and the current are not in a linear relationship. Therefore, the varistor is also called as a nonlinear varistor, and although the existing electrode patch varistor can limit the voltage, there is a problem that when the existing electrode patch varistor is in operation, the temperature of the electrode patch varistor may be too high, causing explosion, so that fragments of the electrode patch varistor may be splashed to contact other elements, causing damage to the whole circuit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrode paster piezoresistor subassembly to there is current electrode paster piezoresistor when carrying out the during operation in the existence that proposes in solving above-mentioned background art, there may be electrode paster piezoresistor high temperature, causes the explosion, makes electrode paster piezoresistor's piece splash and other original paper contacts, causes the problem of holistic circuit damage.

In order to achieve the above object, the utility model provides a following technical scheme: an electrode patch piezoresistor assembly comprises an electrode patch piezoresistor, wherein a protection mechanism is arranged on the outer wall of the electrode patch piezoresistor;

the protection mechanism comprises a box body, a rubber pad, a box body cover and a through opening;

the inner wall of box and electrode paster piezoresistor's outer wall clearance fit, the inner wall top rigid coupling of box has the rubber pad, the bottom of rubber pad contacts with electrode paster piezoresistor's top, the outer wall bottom clearance fit of box has the box lid, the opening has all been processed to the bottom left and right sides of box lid, the inner wall of opening and the outer wall clearance fit of electrode paster piezoresistor's CP line.

Preferably, the left side and the right side of the inner wall of the box body are both provided with a fixing mechanism;

the fixing mechanism comprises a block body, a torsion spring and a rubber base plate;

two the block rotates with the inner wall left and right sides of box through the round pin axle respectively and links to each other, torque spring clearance fit and the outer wall of round pin axle, torque spring's top joint is in the preceding terminal surface of block, two torque spring's bottom joint is in the inner wall left and right sides of box respectively, the inboard rigid coupling of block has the rubber backing plate, two the inboard of rubber backing plate is laminated with the outer wall left and right sides of electrode paster piezoresistor respectively mutually.

Preferably, two of the rubber pads are symmetrically distributed about the electrode patch piezoresistor axis.

Preferably, the surface of the rubber pad plate is provided with grains.

Preferably, the rubber cushion plate and the block body form a butting device.

Preferably, the left side and the right side of the box body are both provided with a connecting mechanism;

the connecting mechanism comprises a clamping rod and an elastic clamping rod;

the two clamping rods are fixedly connected to the left side and the right side of the outer wall of the box body cover respectively, the two elastic clamping rods are clamped to the left side and the right side of the outer wall of the box body respectively, and the bottom of each elastic clamping rod is clamped to the top of the corresponding clamping rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization.

This electrode paster piezoresistor subassembly passes through the cooperation between box, box lid and the rubber pad for the box can be placed electrode paster piezoresistor with the box lid, avoids having electrode paster piezoresistor high temperature, causes the explosion, makes electrode paster piezoresistor's piece splash and other original paper contacts, causes holistic circuit damage.

This electrode paster piezoresistor subassembly passes through the cooperation between rubber backing plate, torsion spring and the block for electrode paster piezoresistor passes through the rubber backing plate to be fixed in the inside of box, avoids the box to remove at electrode paster piezoresistor's outer wall.

This electrode paster piezoresistor subassembly passes through the cooperation between kelly, elasticity kelly and the box for fixed connection can be carried out with the box lid to the box, not only can carry out stable connection with box and box lid and fix, still carries out quick installation with box and box lid.

Drawings

FIG. 1 is a schematic view of the connection relationship of the present invention;

FIG. 2 is a schematic diagram of the connection relationship between the electrode patch piezoresistor, the case and the case cover in FIG. 1;

FIG. 3 is a schematic diagram showing the connection relationship between the electrode patch piezoresistor, the torsion spring and the block in FIG. 1;

fig. 4 is a schematic view of the connection relationship between the clamping rod, the elastic clamping rod and the box cover in fig. 1.

In the figure: 1. electrode paster piezoresistor, 2, protection mechanism, 201, box, 202, rubber pad, 203, box lid, 204, opening, 3, fixed establishment, 301, block, 302, torsion spring, 303, rubber backing plate, 4, coupling mechanism, 401, kelly, 402, elasticity kelly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an electrode patch piezoresistor component comprises an electrode patch piezoresistor 1, wherein the outer wall of the electrode patch piezoresistor 1 is provided with a protection mechanism 2, the protection mechanism 2 comprises a box body 201, a rubber pad 202, a box body cover 203 and a through hole 204, the inner wall of the box body 201 is in clearance fit with the outer wall of the electrode patch piezoresistor 1, so that the electrode patch piezoresistor 1 can be placed in the box body 201, the top of the inner wall of the box body 201 is fixedly connected with the rubber pad 202, the bottom of the rubber pad 202 is contacted with the top of the electrode patch piezoresistor 1, the bottom of the outer wall of the box body 201 is in clearance fit with the box body cover 203, so that the box body cover 203 can be attached to the box body 201, fragments can not splash after the electrode patch piezoresistor 1 explodes, the through holes 204 are machined on the left side and the right side of the bottom of the box body cover 203, the inner, so that the CP line of the electrode patch varistor 1 can be mounted with an external circuit.

The left side and the right side of the inner wall of the box 201 are both provided with a fixing mechanism 3, the fixing mechanism 3 comprises block bodies 301, a torsion spring 302 and rubber cushion plates 303, the two block bodies 301 are respectively rotatably connected with the left side and the right side of the inner wall of the box 201 through pin shafts, the torsion spring 302 is in clearance fit with the outer wall of the pin shafts, the top of the torsion spring 302 is clamped on the front end surface of the block body 301, the bottoms of the two torsion springs 302 are respectively clamped on the left side and the right side of the inner wall of the box 201, the torsion spring 302 gives downward rotating force to the block body 301, the inner side of the block body 301 is fixedly connected with the rubber cushion plates 303, the inner sides of the two rubber cushion plates 303 are respectively jointed with the left side and the right side of the outer wall of the electrode patch piezoresistor 1, so that the electrode patch piezoresistor 1 can be fixed in the box 201, the rubber pad surface machining of rubber backing plate 303 has the line, and the line is used for increasing the rubber pad frictional force of electrode paster piezoresistor 1 and rubber backing plate 303, and rubber backing plate 303 constitutes with the block and supports tight device for rubber backing plate 303 can support electrode paster piezoresistor 1 tightly, and then makes electrode paster piezoresistor 1 fix the inside at box 201.

The left and right sides of box 201 all is equipped with coupling mechanism 4, and coupling mechanism 4 includes kelly 401 and elasticity kelly 402, and two kellies 401 rigid coupling respectively in the outer wall left and right sides of box lid 203, and two elasticity kellies 402 joint respectively in the outer wall left and right sides of box 201, and the bottom of elasticity kelly 402 and kelly 401's top looks joint for box 201 and box lid 203 can carry out fixed connection.

When the electrode patch piezoresistor assembly is used, a user places the electrode patch piezoresistor 1 into the box 201, and attaches the electrode patch piezoresistor 1 to the rubber pad 202 in the box 201, when the electrode patch piezoresistor 1 moves into the box 201, the electrode patch piezoresistor 1 contacts the rubber backing plate 303 in the box 201, so that the rubber backing plate 303 tightly presses the electrode patch piezoresistor 1 in the box 201 through the elastic deformation of the torsion spring 302, after tightly pressing and fixing, the user attaches the box cover 203 to the box 201, and passes the CP wire of the electrode patch piezoresistor 1 through the through hole 204 of the box cover 203, and when the CP wire of the electrode patch piezoresistor 1 passes through the through hole 204 of the box cover 203, the box cover 203 drives the clamping rod 401 to contact with the elastic clamping rod 402 on the outer wall of the box, and clamping is carried out, so that the box body 201 and the box body cover 203 are fixedly connected, after the electrode patch piezoresistor 1 is exploded, fragments of the electrode patch piezoresistor 1 are contacted with the box body 201, and cannot splash out of the box body 201 and the box body cover 203.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. An electrode patch varistor assembly comprising an electrode patch varistor (1), characterized in that: the outer wall of the electrode patch piezoresistor (1) is provided with a protection mechanism (2);

the protection mechanism (2) comprises a box body (201), a rubber pad (202), a box body cover (203) and a through hole (204);

the inner wall of box (201) and the outer wall clearance fit of electrode paster piezoresistor (1), the inner wall top rigid coupling of box (201) has rubber pad (202), the bottom of rubber pad (202) contacts with the top of electrode paster piezoresistor (1), the outer wall bottom clearance fit of box (201) has box lid (203), opening (204) have all been processed to the bottom left and right sides of box lid (203), the inner wall of opening (204) and the outer wall clearance fit of the CP line of electrode paster piezoresistor (1).

2. An electrode patch varistor assembly according to claim 1, wherein: the left side and the right side of the inner wall of the box body (201) are provided with fixing mechanisms (3);

the fixing mechanism (3) comprises a block body (301), a torsion spring (302) and a rubber base plate (303);

two inner wall left and right sides block (301) are respectively through round pin axle and box (201) rotates continuously, torque spring (302) clearance fit and the outer wall of round pin axle, the top joint of torque spring (302) is in the preceding terminal surface of block (301), two the bottom of torque spring (302) is the joint in the inner wall left and right sides of box (201) respectively, the inboard rigid coupling of block (301) has rubber backing plate (303), two the inboard of rubber backing plate (303) is laminated with the outer wall left and right sides of electrode paster piezoresistor (1) respectively.

3. An electrode patch varistor assembly according to claim 2, wherein: the two rubber backing plates (303) are distributed in an axial symmetry mode relative to the electrode patch piezoresistor (1).

4. An electrode patch varistor assembly according to claim 2, wherein: lines are processed on the surface of the rubber pad of the rubber base plate (303).

5. An electrode patch varistor assembly according to claim 2, wherein: the rubber cushion plate (303) and the block body form a tight abutting device.

6. An electrode patch varistor assembly according to claim 1, wherein: the left side and the right side of the box body (201) are provided with connecting mechanisms (4);

the connecting mechanism (4) comprises a clamping rod (401) and an elastic clamping rod (402);

two kelly (401) rigid coupling respectively in the outer wall left and right sides of box lid (203), two elasticity kelly (402) joint respectively in the outer wall left and right sides of box (201), the bottom of elasticity kelly (402) and the top looks joint of kelly (401).