CN212931710U

CN212931710U - Electrode detachable PTC sensor

Info

Publication number: CN212931710U
Application number: CN202022330484.XU
Authority: CN
Inventors: 周凯
Original assignee: Chongqing Kaiwang Electronic Co ltd
Current assignee: Chongqing Kaiwang Electronic Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-04-09
Anticipated expiration: 2030-10-19

Abstract

The utility model relates to the technical field of electrode detachable PTC sensors, in particular to an electrode detachable PTC sensor, which comprises a shell, wherein a groove is arranged on the front side surface of the shell, two through holes which are parallel to each other are arranged in the groove, a cavity is also arranged in the shell and is communicated with the groove through the through holes, two round holes which are parallel to each other are arranged in the cavity, a metal contact piece is embedded in the round hole, and a chute which is communicated with the cavity is arranged on the top surface of the shell; a movable plate is arranged in the groove, and two metal electrodes which are parallel to each other are embedded on the movable plate; this electrode detachable PTC sensor is through the fixed subassembly of electrode and metal electrode etc. that are equipped with, and this metal electrode can be dismantled from the casing promptly, and this design has changed the integral type structure of traditional PTC sensor and electrode, when the electrode takes place to wear and tear, need not to dismantle the PTC sensor and can change the electrode, and is comparatively convenient.

Description

Electrode detachable PTC sensor

Technical Field

The utility model relates to an electrode detachable PTC sensor technical field specifically is an electrode detachable PTC sensor.

Background

The PTC sensor is a positive temperature coefficient sensor, namely the resistance value of the sensor is increased along with the rise of the temperature, and the electrode is a component used for transmitting an electrical signal on the PTC sensor; the electrodes on the existing PTC sensor are generally fixedly connected and not detachable, when the PTC sensor is used for a long time, the electrodes are easily worn and further influence the transmission of electrical signals, the traditional method is to directly replace the PTC sensor, the PTC sensor needs to be integrally detached in the conventional method, and therefore the PTC sensor is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrode detachable PTC sensor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a PTC sensor with a detachable electrode comprises a shell, wherein a groove is formed in the front side face of the shell, two through holes which are parallel to each other are formed in the groove, a cavity is further formed in the shell and is communicated with the groove through the through holes, two round holes which are parallel to each other are formed in the cavity, a metal contact piece is embedded in each round hole, and a sliding groove which is communicated with the cavity is formed in the top face of the shell; a movable plate is arranged in the groove, two metal electrodes which are parallel to each other are embedded on the movable plate, clamping grooves are formed in the metal electrodes at positions close to the rear ends, and the metal electrodes penetrate through the corresponding through holes; the electrode fixing assembly is arranged in the cavity and comprises a clamping plate, two limiting grooves which are parallel to each other are formed in the clamping plate, the metal electrodes penetrate through the limiting grooves and are in close contact with the corresponding metal contact pieces, a plurality of springs are tightly bonded on the left side face of the clamping plate, one ends of the springs are tightly supported on the left side wall of the cavity, a connecting block is tightly bonded on the top face of the clamping plate and is in sliding connection with the sliding grooves, a shifting block is tightly bonded on the top end of the connecting block, and the shifting block is located above the shell.

Preferably, the size of the clamping plate is matched with that of the cavity, and the clamping plate is connected with the cavity in a sliding mode.

Preferably, the inner wall of the limiting groove is arc-shaped near the left end, and the clamping plate is clamped and matched with the limiting groove through the clamping groove.

Preferably, the clamping plate and the movable plate are made of plastic materials.

Preferably, the metal electrode is electrically connected with the metal contact.

Compared with the prior art, the beneficial effects of the utility model are that: this electrode detachable PTC sensor is through the fixed subassembly of electrode and metal electrode etc. that are equipped with, and this metal electrode can be dismantled from the casing promptly, and this design has changed the integral type structure of traditional PTC sensor and electrode, when the electrode takes place to wear and tear, need not to dismantle the PTC sensor and can change the electrode, and is comparatively convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the overall explosion structure of the present invention;

FIG. 3 is a schematic diagram of a partial explosion structure in the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 3 according to the present invention;

fig. 5 is a structural sectional view of the housing of the present invention;

fig. 6 is a schematic structural view of the middle movable plate of the present invention.

In the figure: 1. a housing; 11. a groove; 12. a through hole; 13. a cavity; 14. a chute; 15. a circular hole; 16. a metal contact piece; 2. a movable plate; 21. a metal electrode; 211. a card slot; 3. an electrode fixing assembly; 31. clamping a plate; 311. a limiting groove; 32. a spring; 33. connecting blocks; 34. and (5) shifting blocks.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but 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 addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

A PTC sensor with a detachable electrode is shown in figures 1 to 6 and comprises a shell 1, wherein a groove 11 is formed in the front side surface of the shell 1, two through holes 12 which are parallel to each other are formed in the groove 11, a cavity 13 is further formed in the shell 1, the cavity 13 is communicated with the groove 11 through the through holes 12, two round holes 15 which are parallel to each other are formed in the cavity 13, a metal contact piece 16 is embedded in each round hole 15, and a sliding groove 14 which is communicated with the cavity 13 is formed in the top surface of the shell 1; a movable plate 2 is arranged in the groove 11, two parallel metal electrodes 21 are embedded on the movable plate 2, clamping grooves 211 are formed in the metal electrodes 21 close to the rear ends, and the metal electrodes 21 penetrate through the corresponding through holes 12; be equipped with electrode fixing assembly 3 in the cavity 13, electrode fixing assembly 3 includes cardboard 31, two parallel to each other's spacing groove 311 has been seted up on the cardboard 31, metal electrode 21 passes

spacing groove

311 and 16 in close contact with corresponding metal contact, the left surface of cardboard 31 closely bonds and has a plurality of springs 32, the one end of spring 32 is supported tightly on the left side wall of cavity 13, the top surface of cardboard 31 closely bonds and has connecting block 33, and connecting block 33 and spout 14 sliding connection, the top of connecting block 33 closely bonds and has shifting block 34, shifting block 34 is located casing 1's top.

In this embodiment, the size of the card 31 is matched with the size of the cavity 13, and the card 31 is slidably connected with the cavity 13, so that the cavity 13 provides a guiding function for the card 31 and facilitates the adaptive installation.

In this embodiment, the inner wall of the limiting groove 311 is designed to be arc-shaped near the left end, and the clamping plate 31 is matched with the limiting groove 311 in a clamping manner through the clamping groove 211, so that the metal electrode 21 is conveniently fixed, and the assembly and disassembly are convenient.

Further, cardboard 31 and fly leaf 2 all adopt the plastics material to make, and the plastics material has good insulating effect.

In addition, the metal electrode 21 is electrically connected to the metal contact 16, which facilitates the transmission of electrical signals.

When the electrode-detachable PTC sensor is used, a user firstly dials the shifting block 34 to one side, at the moment, the connecting block 33 slides along the sliding groove 14, the clamping plate 31 slides along the cavity 13, the spring 32 is synchronously compressed, at the moment, the user inserts the rear end of the metal electrode 31 into the through hole 12 in an aligning manner, the movable plate 2 is immersed into the groove 11, at the moment, the metal electrode 31 passes through the limiting groove 311 and the round hole 15 and then contacts with the metal contact piece 16, then, the user loosens the shifting block 34, the spring resets to drive the clamping plate 31 to reset, at the moment, one side of the arc-shaped inner wall on the limiting groove 311 is clamped on the clamping groove 211, and the metal; when the metal electrode 21 needs to be pulled out, a user can just poke the poking block 34 and pull out the metal electrode 21.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A PTC sensor with detachable electrodes comprises a shell (1), and is characterized in that: a groove (11) is formed in the front side face of the shell (1), two through holes (12) which are parallel to each other are formed in the groove (11), a cavity (13) is further formed in the shell (1), the cavity (13) is communicated with the groove (11) through the through holes (12), two round holes (15) which are parallel to each other are formed in the cavity (13), a metal contact piece (16) is embedded in each round hole (15), and a sliding groove (14) communicated with the cavity (13) is formed in the top face of the shell (1); a movable plate (2) is arranged in the groove (11), two metal electrodes (21) which are parallel to each other are embedded on the movable plate (2), clamping grooves (211) are formed in the metal electrodes (21) close to the rear end, and the metal electrodes (21) penetrate through the corresponding through holes (12); the electrode fixing component (3) is arranged in the cavity (13), the electrode fixing component (3) comprises a clamping plate (31), two limiting grooves (311) which are parallel to each other are formed in the clamping plate (31), the metal electrodes (21) penetrate through the limiting grooves (311) and are in close contact with the corresponding metal contact pieces (16), a plurality of springs (32) are tightly bonded to the left side face of the clamping plate (31), one ends of the springs (32) are tightly abutted to the left side wall of the cavity (13), a connecting block (33) is tightly bonded to the top face of the clamping plate (31), the connecting block (33) is in sliding connection with the sliding groove (14), a shifting block (34) is tightly bonded to the top end of the connecting block (33), and the shifting block (34) is located above the shell (1).

2. A PTC sensor with detachable electrodes according to claim 1, wherein: the size of the clamping plate (31) is matched with that of the cavity (13), and the clamping plate (31) is connected with the cavity (13) in a sliding mode.

3. A PTC sensor with detachable electrodes according to claim 1, wherein: the inner wall of spacing groove (311) is close to left end department and is the arc design, just cardboard (31) pass through draw-in groove (211) with spacing groove (311) joint cooperation.

4. A PTC sensor with detachable electrodes according to claim 1, wherein: the clamping plate (31) and the movable plate (2) are both made of plastic materials.

5. A PTC sensor with detachable electrodes according to claim 1, wherein: the metal electrode (21) is electrically connected with the metal contact piece (16).