Temperature protector

Abstract

The utility model relates to the technical field of temperature protectors, in particular to a temperature protector which comprises a main body, the main body comprises a shell, a fixing mechanism is installed on the lower surface of the shell and comprises a first conductive plate, the surface of the first conductive plate is fixedly connected with the inner wall of the shell, and the upper surface of the first conductive plate is fixedly connected with a first spring. The tail end of the first spring is fixedly connected with an insulating plate, the lower surface of the insulating plate is fixedly connected with a second protruding block, a downward pressing mechanism is installed in the insulating plate and comprises a second spring, the second spring is installed in the insulating plate, the tail end of the second spring is fixedly connected with a pressing block, and the lower surface of the insulating plate is fixedly connected with a second connecting block. A sliding block is fixedly connected to the surface of the pressing block, a first conductive block is fixedly connected to the upper surface of the first conductive plate, and a connecting groove is formed in the surface of the first conductive block. According to the utility model, a new wire can be conveniently and rapidly installed in the device for fixation.

Description

Technical Field

[0001] The utility model relates to the field of temperature protectors, in particular to a temperature protector. Background Art

[0002] A temperature protector is a series of automatic control components that produce certain special effects and conduction or disconnection actions by physically deforming the switch according to the temperature changes in the working environment. It is also called a temperature control switch, temperature protector, temperature controller, or simply a temperature controller. Or the temperature is transmitted to the temperature controller through the temperature protector, and the temperature controller issues a switch command to control the operation of the equipment to achieve the ideal temperature and energy-saving effect.

[0003] After being used for a period of time, common temperature protectors on the market may cause excessive current in the circuit they are connected to, which may cause the wires to overheat, thereby accelerating the aging or damage of the wires. At this time, the wires need to be replaced. However, it is more complicated to fix the wires to the inside of the temperature protector during replacement, which takes a long time and reduces the practicality of the device. Summary of the invention

[0004] The utility model aims to solve the shortcomings in the prior art and provides a temperature protector.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a temperature protector, comprising a main body, the main body comprising an outer shell, a fixing mechanism is installed on the lower surface of the outer shell, the fixing mechanism comprises a first conductive plate, the surface of the first conductive plate is fixedly connected to the inner wall of the outer shell, the upper surface of the first conductive plate is fixedly connected to a first spring, the end of the first spring is fixedly connected to an insulating plate, the lower surface of the insulating plate is fixedly connected to a second protrusion, a pressing mechanism is installed inside the insulating plate, the pressing mechanism comprises a second spring, the second spring is installed inside the insulating plate, the end of the second spring is fixedly connected to a pressure block, the lower surface of the insulating plate is fixedly connected to a second connecting block, the surface of the pressure block is fixedly connected to a slider, the upper surface of the first conductive plate is fixedly connected to the first conductive block, and a connecting groove is provided on the surface of the first conductive block.

[0006] As a further description of the above technical solution:

[0007] A third groove is formed on the lower surface of the insulating plate, one end of the second spring is fixedly connected to the inner wall of the third groove, and the lower surface of the sliding block is in contact with the upper surface of the second connecting block.

[0008] As a further description of the above technical solution:

[0009] A first connecting block is fixedly connected to the surface of the shell, a first groove is opened on the surface of the first connecting block, a connecting mechanism is installed inside the first groove, the connecting mechanism includes a first protrusion, the surface of the first protrusion is installed inside the first groove, and a cover plate is fixedly connected to the surface of the first protrusion.

[0010] As a further description of the above technical solution:

[0011] An elastic block is fixedly connected to the inner wall of the first groove, the upper surface of the elastic block is in contact with the lower surface of the first protrusion, and the surface of the cover plate is provided with first through holes, and the number of the first through holes is two.

[0012] As a further description of the above technical solution:

[0013] A second groove is formed on the surface of the first groove, and a clamping block is fixedly connected to the surface of the first protrusion. The clamping block is located inside the second groove.

[0014] As a further description of the above technical solution:

[0015] A conductive mechanism is installed on the inner wall of the shell, and the conductive mechanism includes a second conductive plate, the lower surface of the second conductive plate is fixedly connected to the inner wall of the shell, the inner wall of the shell is fixedly connected to a third conductive plate, the third conductive plate is located above the second conductive plate, the lower surface of the third conductive plate is fixedly connected to a second conductive block, and the inner wall of the shell is fixedly connected to a thermistor, and the surface of the thermistor is in contact with the surface of the second conductive block.

[0016] The utility model has the following beneficial effects:

[0017] 1. Compared with the prior art, this temperature protector is provided with a spring, an insulating plate, a pressure block and a first conductive block. When the wire needs to be replaced during use, the insulating plate is pulled so that the second connecting block installed on the lower surface of the insulating plate contacts the lower surface of the slider, and the slider is pulled upward, and the pressure block fixed to the surface of the slider rises accordingly, so that the wire can be easily inserted into the interior of the fixing mechanism, and the wire is released after being placed in a suitable position. At this time, the first spring retracts and pulls the insulating plate toward the direction of the first conductive plate. The second protrusion fixed on the surface of the insulating plate contacts the protective outer skin on the surface of the wire to prevent the wire from sliding. At this time, the interior of the insulating plate The second spring pushes the pressure block toward the first conductive plate, pushing the pressure block to press the exposed core wire at the end of the wire into the connecting groove opened on the surface of the first conductive block, so that the wire and the first conductive block are energized. Compared with conventional temperature protectors, after a period of use, there is a situation where the current in the connected circuit is too large, which may cause the wire to overheat, thereby accelerating the aging or damage of the wire. At this time, the wire needs to be replaced. During replacement, fixing the wire to the inside of the temperature protector is more complicated and takes a long time, reducing the practicality of the device. The device can easily and quickly install the new wire into the inside of the device and fix it.

[0018] 2. Compared with the prior art, this temperature protector is provided with a first protrusion, an elastic block and a cover plate. When in use, the cover plate is covered on the surface of the outer shell, and the first protrusion fixed on the back of the cover plate is inserted into the first groove opened on the first connecting block. When the current in the wires inside the device increases, the temperature in the temperature protector rises, and the internal components expand due to the heat. At this time, the elastic block under the first protrusion is compressed, so that the internal space can be increased to prevent damage to the internal components. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a temperature protector proposed by the utility model;

[0020] Figure 2 A cross-sectional view of a temperature protector proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of a temperature protector proposed by the utility model from a first perspective;

[0022] Figure 4 A temperature protector proposed by the utility model Figure 3 A magnified view of the structure at A;

[0023] Figure 5 A schematic diagram of the internal structure of a temperature protector proposed by the utility model from a second viewing angle;

[0024] Figure 6A temperature protector proposed by the utility model Figure 5 Enlarged view of the structure at B.

[0025] Legend:

[0026] 1. Main body; 101. Shell; 102. First connecting block; 103. First groove; 104. Second groove; 2. Connecting mechanism; 201. Cover plate; 202. First protrusion; 203. Elastic block; 204. First through hole; 205. Block; 3. Fixing mechanism; 301. Insulating plate; 302. First spring; 303. First conductive plate; 304. Second protrusion; 305. Third groove; 4. Pressing mechanism; 401. Pressing block; 402. Second spring; 403. Second connecting block; 404. Sliding block; 405. First conductive block; 406. Connecting groove; 5. Conducting mechanism; 501. Second conductive plate; 502. Third conductive plate; 503. Second conductive block; 504. Thermistor. DETAILED DESCRIPTION

[0027] Reference Figure 1-6The utility model provides a temperature protector: comprising a main body 1, the main body 1 comprises a shell 101, a fixing mechanism 3 is installed on the lower surface of the shell 101, the fixing mechanism 3 comprises a first conductive plate 303, the surface of the first conductive plate 303 is fixedly connected to the inner wall of the shell 101, the upper surface of the first conductive plate 303 is fixedly connected to a first spring 302, the end of the first spring 302 is fixedly connected to an insulating plate 301, the lower surface of the insulating plate 301 is fixedly connected to a second protrusion 304, a pressing mechanism 4 is installed inside the insulating plate 301, the pressing mechanism 4 comprises a second spring 402, the second spring 402 is installed inside the insulating plate 301, the end of the second spring 402 is fixedly connected to a pressing block 401, the lower surface of the insulating plate 301 is fixedly connected to a second connecting block 403, the surface of the pressing block 401 is fixedly connected to a slider 404, the upper surface of the first conductive plate 303 is fixedly connected to a first conductive block 405, the first conductive plate 303 is fixedly connected to a first conductive block 406, the first conductive plate 303 is fixedly connected to a first conductive block 407, the first conductive plate 303 is fixedly connected to a first conductive block 408, the first conductive plate 303 is fixedly connected to a first conductive block 409, the first conductive plate 304 is fixedly connected to a first conductive block 407, the first conductive plate 303 is fixedly connected to a first conductive block 409, the first conductive plate 303 is fixedly connected to a first conductive block 405, the first conductive plate 303 is fixedly connected to a first conductive block 406, the first conductive plate 303 is fixedly connected to a first conductive block 407, the first conductive plate A connecting groove 406 is provided on the surface of the electric block 405. When the electric wire needs to be replaced, the insulating plate 301 is pulled so that the second connecting block 403 installed on the lower surface of the insulating plate 301 contacts the lower surface of the slider 404, and the slider 404 is pulled upward, and the pressing block 401 fixed to the surface of the slider 404 rises accordingly, and the electric wire can be easily inserted into the interior of the fixing mechanism 3, and the electric wire is released after being placed in a suitable position. At this time, the first spring 302 retracts and pulls the insulating plate 301 toward the direction of the first conductive plate 303, and the second protrusion 304 fixed on the surface of the insulating plate 301 contacts the protective outer skin on the surface of the electric wire to prevent the electric wire from sliding. At this time, the second spring 402 inside the insulating plate 301 pushes the pressing block 401 toward the direction of the first conductive plate 405, pushing the pressing block 401 to press the exposed core wire at the end of the electric wire into the connecting groove 406 provided on the surface of the first conductive block 405, so that the electric wire and the first conductive block 405 are energized.

[0028] A third groove 305 is provided on the lower surface of the insulating plate 301, one end of the second spring 402 is fixedly connected to the inner wall of the third groove 305, the lower surface of the slider 404 is fitted with the upper surface of the second connecting block 403, the surface of the shell 101 is fixedly connected to the first connecting block 102, the surface of the first connecting block 102 is provided with a first groove 103, the interior of the first groove 103 is installed with a connecting mechanism 2, the connecting mechanism 2 includes a first protrusion 202, the surface of the first protrusion 202 is installed in the interior of the first groove 103, the surface of the first protrusion 202 is fixedly connected with a cover plate 201, the inner wall of the first groove 103 is fixedly connected with an elastic block 203, the upper surface of the elastic block 203 is fitted with the lower surface of the first protrusion 202, the cover plate 201 is covered on the surface of the shell 101, the first protrusion 202 fixed on the back of the cover plate 201 is inserted into the first groove 103 provided on the first connecting block 102, when the current in the wires inside the device increases, the temperature in the temperature protector The cover 201 is provided with a first through hole 204, and the number of the first through holes 204 is two. The surface of the first groove 103 is provided with a second groove 104. The surface of the first protrusion 202 is fixedly connected with a card block 205, and the card block 205 is located inside the second groove 104. The inner wall of the shell 101 is provided with a conductive mechanism 5, and the conductive mechanism 5 includes a second conductive plate 501, and the lower surface of the second conductive plate 501 is fixedly connected to the inner wall of the shell 101. The inner wall of the shell 101 is fixedly connected with a third conductive plate 502, and the third conductive plate 502 is located above the second conductive plate 501. The lower surface of the third conductive plate 502 is fixedly connected with the second conductive block 503. The inner wall of the shell 101 is fixedly connected with a thermistor 504, and the surface of the thermistor 504 is in contact with the surface of the second conductive block 503.

[0029] Working principle: When the wire needs to be replaced, pull the insulating plate 301 so that the second connecting block 403 installed on the lower surface of the insulating plate 301 contacts the lower surface of the slider 404, pull the slider 404 upward, and the pressing block 401 fixed to the surface of the slider 404 rises accordingly, and the wire can be easily inserted into the fixing mechanism 3. After the wire is placed in a suitable position, release it, and the first spring 302 retracts, pulling the insulating plate 301 toward the direction of the first conductive plate 303. The second protrusion 304 fixed on the surface of the insulating plate 301 contacts the protective outer skin on the surface of the wire to prevent the wire from sliding. At this time, the second spring 4 inside the insulating plate 301 02 Push the pressing block 401 toward the first conductive plate 405, push the pressing block 401 to press the exposed core wire at the end of the wire into the connecting groove 406 opened on the surface of the first conductive block 405, so that the wire and the first conductive block 405 are energized, cover the cover 201 on the surface of the shell 101, and insert the first protrusion 202 fixed on the back of the cover 201 into the first groove 103 opened on the first connecting block 102. When the current in the wire inside the device increases, the temperature in the temperature protector rises, and the internal components expand due to the heat, the elastic block 203 under the first protrusion 202 is compressed, which can increase the internal space and prevent damage to internal components.

[0030] 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 temperature protector, comprising a main body (1), characterized in that: The main body (1) comprises a shell (101), a fixing mechanism (3) is installed on the lower surface of the shell (101), the fixing mechanism (3) comprises a first conductive plate (303), the surface of the first conductive plate (303) is fixedly connected to the inner wall of the shell (101), the upper surface of the first conductive plate (303) is fixedly connected to a first spring (302), the end of the first spring (302) is fixedly connected to an insulating plate (301), the lower surface of the insulating plate (301) is fixedly connected to a second protrusion (304), and the interior of the insulating plate (301) is installed A pressing mechanism (4) is provided, the pressing mechanism (4) comprising a second spring (402), the second spring (402) being installed inside the insulating plate (301), the end of the second spring (402) being fixedly connected to a pressing block (401), the lower surface of the insulating plate (301) being fixedly connected to a second connecting block (403), the surface of the pressing block (401) being fixedly connected to a sliding block (404), the upper surface of the first conductive plate (303) being fixedly connected to a first conductive block (405), and the surface of the first conductive block (405) being provided with a connecting groove (406).

2. A temperature protector according to claim 1, characterized in that: A third groove (305) is provided on the lower surface of the insulating plate (301), one end of the second spring (402) is fixedly connected to the inner wall of the third groove (305), and the lower surface of the sliding block (404) is in contact with the upper surface of the second connecting block (403).

3. A temperature protector according to claim 1, characterized in that: A first connection block (102) is fixedly connected to the surface of the housing (101), a first groove (103) is provided on the surface of the first connection block (102), a connection mechanism (2) is installed inside the first groove (103), the connection mechanism (2) comprises a first protrusion (202), a surface of the first protrusion (202) is installed inside the first groove (103), and a cover plate (201) is fixedly connected to the surface of the first protrusion (202).

4. A temperature protector according to claim 3, characterized in that: An elastic block (203) is fixedly connected to the inner wall of the first groove (103), the upper surface of the elastic block (203) is in contact with the lower surface of the first protrusion (202), and a first through hole (204) is provided on the surface of the cover plate (201), and the number of the first through holes (204) is two.

5. A temperature protector according to claim 3, characterized in that: A second groove (104) is provided on the surface of the first groove (103), a clamping block (205) is fixedly connected to the surface of the first protrusion (202), and the clamping block (205) is located inside the second groove (104).

6. A temperature protector according to claim 1, characterized in that: The inner wall of the housing (101) is provided with a conductive mechanism (5), the conductive mechanism (5) comprising a second conductive plate (501), the lower surface of the second conductive plate (501) being fixedly connected to the inner wall of the housing (101), the inner wall of the housing (101) being fixedly connected to a third conductive plate (502), the third conductive plate (502) being located above the second conductive plate (501), the lower surface of the third conductive plate (502) being fixedly connected to a second conductive block (503), the inner wall of the housing (101) being fixedly connected to a thermistor (504), the surface of the thermistor (504) being in contact with the surface of the second conductive block (503).

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