Thermal protector with protection structure

Abstract

The utility model provides a thermal protector with a protection structure, and particularly relates to the field of thermal protector production, which comprises a thermal protector body arranged between a first positioning block and a second positioning block. A positioning cavity protruding out of the base plate is formed in the base plate, and one end of the first positioning block and one end of the second positioning block are embedded into the positioning cavity. The protective shell of a hollow structure is arranged on the peripheries of the first positioning block and the second positioning block. The positioning cavity is movably connected with the end part of the protective shell; a sealing plate is arranged at the other end of the protective shell, and a sealing cavity protruding out of the sealing plate is formed in the sealing plate; the sealing cavity and the protective shell are matched with each other; a wire of the thermal protector body penetrates through the sealing plate. According to the utility model, the protection performance can be improved, and recycling can be realized through disassembly.

Description

Technical Field

[0001] The utility model belongs to the field of thermal protector production, and in particular relates to a thermal protector with a protection structure. Background Art

[0002] A thermal protector is a thermostat that uses a bimetallic strip as a temperature sensing component. When the operating current of an electrical device exceeds the rated value or a short circuit occurs, a large amount of heat energy will be generated, causing the thermistor in the sensing part of the thermal protector to heat up, expand instantly, and cut off the power supply. There are many uncertain factors in the operation of the thermal protector, such as high humidity, extrusion and collision, so it is necessary to improve the reliability of the thermal protector;

[0003] The existing thermal protector protection structure not only has a need to improve its protection performance, but is also mostly disposable and cannot be recycled; the patent application number is CN201922076334.8, which discloses a small, highly reliable, and high-power thermal protector. By placing the thermal protector body in a protective shell, the thermal protector body can be effectively protected to prevent the thermal protector body from being squeezed and deformed by the outside world, thereby increasing the service life of the thermal protector body. However, this type of protective shell has poor versatility and cannot be recycled.

[0004] In view of the above shortcomings, a thermal protector with a protective structure is now needed, which can not only improve the protection performance but also can be recycled by disassembly. Utility Model Content

[0005] The utility model aims to provide a thermal protector with a protective structure, which can not only improve the protective performance but also realize cyclic use.

[0006] The utility model provides the following technical solutions:

[0007] A thermal protector with a protective structure comprises a thermal protector body arranged between a first positioning block and a second positioning block;

[0008] The base plate is provided with a positioning cavity protruding from the base plate, and one end of the first positioning block and the second positioning block is embedded in the positioning cavity;

[0009] The protective shell of the hollow structure is arranged on the periphery of the first positioning block and the second positioning block; and the positioning cavity is movably connected to the end of the protective shell;

[0010] A sealing plate is arranged at the other end of the protective shell, and a sealing cavity protruding from the sealing plate is arranged on the sealing plate; the sealing cavity and the protective shell fit each other; and the wire of the thermal protector body passes through the sealing plate.

[0011] Preferably, the ends of the first positioning block and the second positioning block are respectively provided with a first positioning column and a second positioning column; the first positioning column and the second positioning column fit together and are embedded in the positioning cavity.

[0012] Preferably, the first positioning post and the second positioning post form an elliptical structure in cross section, and the positioning cavity fits with the elliptical structure.

[0013] Preferably, gaskets are respectively provided on both sides of the thermal protector body.

[0014] Preferably, the gasket is made of silicone.

[0015] Preferably, the periphery of the sealing cavity is connected to the protective shell via threads.

[0016] Preferably, the sealing plate includes a first sealing plate and a second sealing plate; the first sealing plate and the second sealing plate are respectively provided with a first sealing cavity and a second sealing cavity protruding from the first sealing plate and the second sealing plate; and the first sealing cavity and the second sealing cavity are both semi-arc-shaped, and the combination of the first sealing cavity and the second sealing cavity is interference fit with the protective shell.

[0017] Preferably, semi-arc-shaped wire grooves are provided on the sides of the first sealing plate and the second sealing plate, and the wires of the thermal protector body pass through the first sealing plate and the second sealing plate through the wire grooves.

[0018] Preferably, sealing members with matching hollow structures are provided in the wire grooves of the first sealing plate and the second sealing plate, and the ends of the sealing members are tapered; and there is an interference fit between the wires of the thermal protector body and the sealing members.

[0019] Preferably, the sealing member is made of fluororubber, and the sealing member is glued to the wire duct.

[0020] Beneficial effects of the utility model:

[0021] The utility model arranges different types of thermal protectors between the first positioning block and the second positioning block, so as to be used for the protection of thermal protectors of different types, has good compatibility, and can be recycled by disassembling.

[0022] The utility model can greatly improve the protection performance through the closed protection shell, thread connection and interference fit mode. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 This is the axial view of the device;

[0025] Figure 2 This is an exploded view of the device;

[0026] Figure 3This is a partial diagram of the device;

[0027] Marked in the figure are: 1. thermal protector body; 2. first positioning block; 3. second positioning block; 4. first positioning column; 5. second positioning column; 6. substrate; 7. positioning cavity; 8. protective shell; 9. gasket; 10. first sealing plate; 11. second sealing plate; 12. first sealing cavity; 13. second sealing cavity; 14. sealing member; 15. wire trough; 16. wire. DETAILED DESCRIPTION Example

[0028] like Figures 1 to 3 , a thermal protector with a protective structure, comprising a thermal protector body 1 arranged between a first positioning block 2 and a second positioning block 3; the thermal protector body 1 is a finished product that can play a normal function, that is, it can be used directly alone; the thermal protector body 1 is clamped firmly by the first positioning block 2 and the second positioning block 3 to prevent shaking; a positioning cavity 7 protruding from the substrate 5 is provided on the substrate 6, and the positioning cavity 7 and the substrate 6 can be an integrally formed structure; one end of the first positioning block 2 and the second positioning block 3 is embedded in the positioning cavity 7, thereby stabilizing the position of the first positioning block 2 and the second positioning block 3 to prevent the first positioning block 2 and the second positioning block 3 from being separated; a protective shell 8 with a hollow structure is arranged on the periphery of the first positioning block 2 and the second positioning block 3, and the periphery of the first positioning block 2 and the second positioning block 3 is covered by the protective shell 8, thereby playing a protective function; and the positioning cavity 7 and the end of the protective shell 8 are movably connected, so that the positioning cavity 7 and the protective shell 8 can be disassembled, and the movable connection method is that the periphery of the positioning cavity 7 and the protective shell 8 are connected by threads, and of course, an interference fit method can also be adopted, as long as it can be sealed and disassembled;

[0029] A sealing plate is provided at the other end of the protective shell 8, and a sealing cavity protruding from the sealing plate is provided on the sealing plate; the sealing cavity and the protective shell 8 fit together; the end sealing is achieved by the mutual fit between the sealing cavity and the protective shell 8, and the mutual fit can be achieved through an interference fit; in order to improve the sealing performance, the sealing cavity can be made of rubber, and the sealing cavity is combined with the sealing plate by gluing or integral molding. The wire 16 of the thermal protector body 1 passes through the sealing plate; thereby achieving the normal function of the thermal protector body 1; in order to facilitate disassembly, the sealing plate includes a first sealing plate 10 and a second sealing plate 11; the first sealing plate 10 and the second sealing plate 11 are two symmetrical structures; the first sealing plate 10 and the second sealing plate 11 are respectively provided with a first sealing cavity 12 and a second sealing cavity 13 protruding from the first sealing plate 10 and the second sealing plate 11; the first sealing cavity 12 and the second sealing cavity 13 are two symmetrical structures, and the first sealing cavity 12 and the second sealing cavity 13 are both semi-arc-shaped, and the two can be spliced ​​into a circular structure, and the combination of the first sealing cavity 12 and the second sealing cavity 13 and the protective shell 8 are interference-fitted to achieve the sealing of the end of the protective shell 8. The first sealing plate 10 and the second sealing plate 11 are both provided with a semi-arc-shaped wire groove 15 on the side, and the wire 16 of the thermal protector body 1 passes through the first sealing plate 10 and the second sealing plate 11 through the wire groove 15, and the wire 16 is convenient for passing through through the wire groove 15, and it is also convenient for positioning the wire 16. In order to ensure the airtightness between the wire 16 and the first sealing plate 10 and the second sealing plate 11, the wire grooves 15 of the first sealing plate 10 and the second sealing plate 11 are provided with seals 14 of a matching hollow structure, and the ends of the seals 14 are tapered; the wire 16 of the thermal protector body 1 is interference fit with the seal 14, and the wire 16 and the seal 14 are tightly combined to improve the airtightness. The seal 14 is made of fluororubber, which is resistant to high temperature and corrosion and is conducive to improving the service life. The seal 14 and the wire groove 15 are glued to improve the reliability of the connection. Example

[0030] like Figures 1 to 3On the basis of Example 1, in order to improve stability, the ends of the first positioning block 2 and the second positioning block 3 are respectively provided with a first positioning column 4 and a second positioning column 5; the first positioning column 4, the second positioning column 5 and the first positioning block 2, the second positioning block 3 are an integrated structure, and the first positioning column 4 and the second positioning column 5 limit the end of the thermal protector body 1, which can further improve the stability of the thermal protector body 1; the first positioning column 4 and the second positioning column 5 fit each other and are embedded in the positioning cavity 7, thereby playing a stabilizing role; in order to further improve stability, the first positioning column 4 and the second positioning column 5 forms an elliptical cross-section structure, and the positioning cavity 7 fits with the elliptical structure, so that the non-artificial rotation of the first positioning column 4 and the second positioning column 5 can be avoided, and a stabilizing effect can be played; gaskets 9 are respectively arranged on both sides of the thermal protector body 1, and the gaskets 9 play a buffering and stabilizing role. The gaskets 9 are made of silicone material to improve the heat dissipation and thermal conductivity of the thermal protector body 1; in order to further improve the heat dissipation performance, the protective shell 8 can be made of copper, and the outer sides of the first positioning column 4 and the second positioning column 5 are in contact with the inner side of the protective shell 8, which is more conducive to improving the heat dissipation efficiency, and thus to improving the sensitivity of the thermal protector body 1. By arranging different types of thermal protector bodies 1 between the first positioning block 2 and the second positioning block 3, the scope of application can be improved; for easy disassembly, the outer periphery of the protective shell 8 adopts a hexagonal or square structure, which is convenient for the wrench and signature clamping to achieve separation and combination with the substrate 6. Of course, the substrate 6 can also adopt a hexagonal or square structure, and can be recycled through disassembly.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A thermal protector with a protective structure, characterized in that: It includes a thermal protector body disposed between a first positioning block and a second positioning block; The base plate is provided with a positioning cavity protruding from the base plate, and one end of the first positioning block and the second positioning block is embedded in the positioning cavity; The protective shell of the hollow structure is arranged on the periphery of the first positioning block and the second positioning block; and the positioning cavity is movably connected to the end of the protective shell; A sealing plate is arranged at the other end of the protective shell, and a sealing cavity protruding from the sealing plate is arranged on the sealing plate; the sealing cavity and the protective shell fit each other; and the wire of the thermal protector body passes through the sealing plate.

2. A thermal protector with a protective structure according to claim 1, characterized in that: The first positioning block and the second positioning block are respectively provided with a first positioning column and a second positioning column at their ends; the first positioning column and the second positioning column fit each other and are embedded in the positioning cavity.

3. A thermal protector with a protective structure according to claim 2, characterized in that: The first positioning post and the second positioning post form an elliptical structure in cross section, and the positioning cavity fits with the elliptical structure.

4. A thermal protector with a protective structure according to claim 1, characterized in that: Gaskets are respectively arranged on both sides of the thermal protector body.

5. A thermal protector with a protective structure according to claim 4, characterized in that: The gasket is made of silicone.

6. The thermal protector with a protective structure according to claim 1, characterized in that: The periphery of the positioning cavity is connected to the protective shell via threads.

7. The thermal protector with a protective structure according to claim 1, characterized in that: The sealing plate includes a first sealing plate and a second sealing plate; the first sealing plate and the second sealing plate are respectively provided with a first sealing cavity and a second sealing cavity protruding from the first sealing plate and the second sealing plate; and the first sealing cavity and the second sealing cavity are both semi-arc-shaped, and the combination of the first sealing cavity and the second sealing cavity is interference fit with the protective shell.

8. The thermal protector with a protective structure according to claim 7, characterized in that: Semi-arc wire grooves are provided on the sides of the first sealing plate and the second sealing plate, and the wires of the thermal protector body pass through the first sealing plate and the second sealing plate through the wire grooves.

9. A thermal protector with a protective structure according to claim 8, characterized in that: The wire grooves of the first sealing plate and the second sealing plate are provided with sealing members with a hollow structure matching each other, and the ends of the sealing members are tapered; the wires of the thermal protector body are interference-fitted with the sealing members.

10. A thermal protector with a protective structure according to claim 9, characterized in that: The sealing element is made of fluororubber, and the sealing element is glued to the wire duct.

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