Large-current ultra-thin thermal protector

Abstract

The utility model provides a large-current ultra-thin thermal protector, and particularly relates to the field of thermal protector production, which comprises a thermal protector body provided with a lead. Supporting pieces are symmetrically arranged on the two sides of the thermal protector body. A concave cavity is formed in the side part of the supporting piece, and the two sides of the thermal protector body are embedded into the concave cavity of the supporting piece; supporting columns are arranged on the upper side and the lower side of the thermal protector body and on the side wall of the concave cavity to enable the thermal protector body and the side wall of the concave cavity to be overhead. And the lower side part of the supporting piece is provided with a fixing lug which is integrally arranged in a right-angle manner. According to the utility model, the ultra-thin heat protector is suspended through the support of the support member, so that the air circulation of the two sides of the heat protector is improved. And the supporting columns arranged on the supporting piece can further overhead the thermal protector, so that the air circulation of the two sides of the thermal protector is further improved, the heat dissipation efficiency is improved, and the thermal protection sensitivity is improved.

Description

Technical Field

[0001] The utility model belongs to the field of thermal protector production, and particularly relates to a large-current ultra-thin thermal protector. Background Art

[0002] A thermal protector is a temperature controller composed of two different alloys combined together. (Parameters or indicators, application scope, beneficial effects, etc.) Large-current ultra-thin thermal protectors are currently widely used in various industries. Due to their special volume structure, such thermal protectors can be conveniently applied in various narrow spaces. However, since the thermal protector needs to be fixed, the air circulation on both sides of the thermal protector is poor, and the heat dissipation efficiency is low, which is not conducive to improving the thermal protection sensitivity.

[0003] The patent with the application number CN202020255714.8 discloses an ultra-thin thermal protector. Although it solves the problems in the prior art that the internal structure of the thermal protector is not streamlined, resulting in an overly large shape, and the single-layer single-root break-through medium cannot meet the long-term use requirements. However, it still cannot solve the problem that the thermal protector needs to be fixed, resulting in poor air circulation on both sides of the thermal protector and low heat dissipation efficiency.

[0004] In view of the above deficiencies, there is a need for a large-current ultra-thin thermal protector that can improve the air circulation on both sides of the thermal protector, thereby facilitating the improvement of the heat dissipation efficiency and the thermal protection sensitivity. Content of the Utility Model

[0005] The purpose of the utility model is to provide a large-current ultra-thin thermal protector that can improve the air circulation on both sides of the thermal protector, thereby facilitating the improvement of the heat dissipation efficiency and the thermal protection sensitivity.

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

[0007] A large-current ultra-thin thermal protector includes a thermal protector body, and a wire is provided on the thermal protector body; support members are symmetrically provided on both sides of the thermal protector body; a concave cavity is provided on the side of the support member, and both sides of the thermal protector body are embedded in the concave cavities of the support members; on the upper and lower sides of the thermal protector body, support columns are provided on the side walls of the concave cavity to space the thermal protector body from the side walls of the concave cavity; and a fixing ear with an overall right-angled shape is provided on the lower side of the support member.

[0008] Preferably, positioning grooves are provided on the upper and lower sides of the thermal protector body; the top ends of the support columns are embedded in the positioning grooves.

[0009] Preferably, the top ends of the support columns are in an arc-shaped structure; a total of eight support columns are provided;

[0010] Preferably, two fixing ears are symmetrically provided on the lower side of the support member, and strip-shaped fixing holes for bolt fixing are provided on the fixing ears.

[0011] Preferably, the support member is composed of an upper support member and a lower support member, and upper connecting ears and lower connecting ears are respectively provided on the side parts of the upper support member and the lower support member; the upper connecting ear and the lower connecting ear are connected by screws to combine the upper support member and the lower support member; and the fixing ear is provided on the lower side part of the lower support member.

[0012] Preferably, a first shaft sleeve and a second shaft sleeve are respectively provided on the upper side surfaces of the upper connecting ear and the lower connecting ear, and the second shaft sleeve is located inside the first shaft sleeve, and the screw passes through the second shaft sleeve to stabilize between the first shaft sleeve and the second shaft sleeve.

[0013] Preferably, protrusions are provided on the lower connecting ear on both sides of the second shaft sleeve, and grooves matching the protrusions are provided on the lower side wall of the lower connecting ear.

[0014] Preferably, the support member and the support column; the fixing ear and the support member; between the upper support member, the lower support member and the upper connecting ear, the lower connecting ear; between the upper connecting ear, the lower connecting ear and the first shaft sleeve, the second shaft sleeve are all integrally formed structures.

[0015] Advantages of the present utility model:

[0016] The present utility model raises the ultra-thin thermal protector through the support of the support member, thereby improving the air circulation on both sides of the thermal protector. And the support column provided on the support member can further raise the thermal protector, further improving the air circulation on both sides of the thermal protector, thereby facilitating the improvement of the heat dissipation efficiency and the thermal protection sensitivity. Description of the drawings

[0017] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification, and are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0018] Figure 1 is a schematic diagram of the device;

[0019] Figure 2 is an exploded view of the device;

[0020] Figure 3 is a schematic diagram of the second embodiment;

[0021] Figure 4 is a partial view of the second embodiment;

[0022] The labels in the figure are: 1. Thermal protector body; 2. Support member; 3. Concave cavity; 4. Support column; 5. Positioning groove; 6. Upper support member; 7. Lower support member; 8. Upper connecting ear; 9. Lower connecting ear; 10. First shaft sleeve; 11. Second shaft sleeve; 12. Screw; 13. Protrusion; 14. Fixing ear; 15. Fixing hole; 16. Conductive wire. Detailed implementation manners Embodiment

[0023] For example Figures 1 to 4 , a large-current ultra-thin thermal protector, including a thermal protector body 1, the thermal protector body 1 is a large-current ultra-thin thermal protector of the prior art, and a wire 16 for conducting electricity is provided on the thermal protector body 1; Support members 2 are symmetrically provided on both sides of the thermal protector body 1, a concave cavity 3 is provided on the side of the support member 2, and both sides of the thermal protector body 1 are embedded in the concave cavity 3 of the support member 2, and the shape of the concave cavity 3 only needs to fit the shape of the side end of the thermal protector body 1. For details, please refer to the structure in the appendix Figure 2 ; Located on the upper and lower sides of the thermal protector body 1, support columns 4 are provided on the side wall of the concave cavity 3 to lift the thermal protector body 1 above the side wall of the concave cavity 3. In order to ensure that there is a gap between the thermal protector body 1 and the side wall of the concave cavity 3, improve the air circulation on both sides of the thermal protector body 1, and thus facilitate improving the heat dissipation efficiency. Therefore, the overall concave cavity 3 is larger than the side part of the thermal protector body 1, and a fixing ear 14 with an overall right-angled shape is provided on the lower side part of the support member 2. In order to improve the air circulation on both sides of the thermal protector body 1, the fixing ear 14 needs to lift the lower end of the thermal protector body 1 above the installation fixing surface. For details, please refer to the structure in the appendix Figure 1 ;

[0024] Two fixing ears 14 are symmetrically provided on the lower side part of the support member 2 to improve the fixing stability. A strip-shaped fixing hole 15 for bolt fixing is provided on the fixing ear 14, and it can move reciprocally through the strip-shaped fixing hole 15, so as to facilitate adjusting the fixing position; At the same time, in order to improve the stability of the thermal protector body 1, positioning grooves 5 are provided on the upper and lower sides of the thermal protector body 1; The top end of the support column 4 is embedded in the positioning groove 5, and the stabilizing effect is exerted through the mutual embedding between the support column 4 and the positioning groove 5; The top end of the support column 4 is in an arc-shaped structure, which is convenient for the support column 4 to be embedded in the positioning groove 5; A total of eight support columns 4 are provided, which are symmetrically arranged in the concave cavity 3 of the support member 2 respectively, which can improve the support stability; In order to improve the strength and service life of the device, the support member 2 and the support column 4, and the fixing ear 14 and the support member 2 are both integrally formed structures. Embodiment

[0025] For example Figures 1 to 4 , on the basis of Embodiment 1, in order to facilitate the assembly of the support member 2, the support member 2 is composed of an upper support member 6 and a lower support member 7. Upper connecting ears 8 and lower connecting ears 9 are respectively provided on the side parts of the upper support member 6 and the lower support member 7; The upper connecting ear 8 and the lower connecting ear 9 are connected by a screw 12 to combine the upper support member 8 and the lower support member 9; By rotating the screw 12, the upper support member 6 and the lower support member 7 can be separated and combined, and thus the upper support member 6 and the lower support member 7 can be separated and combined with the thermal protector body 1, and the fixing ear 14 is provided on the lower side part of the lower support member 7 to achieve the fixing function.

[0026] To improve the stability of the connection, the upper side surfaces of the upper connecting ear 8 and the lower connecting ear 9 are respectively provided with a first bushing 10 and a second bushing 11, and the second bushing 11 is located inside the first bushing 10. A screw 12 passes through the second bushing 11 to fix the first bushing 10 and the second bushing 11 firmly; through the fitting and embedding between the first bushing 10 and the second bushing 11, the upper support member 6 and the lower support member 7 can be pre-fixed, which facilitates the assembly of the screw 12. Moreover, through the first bushing 10 and the second bushing 11, the contact area with the screw 12 can be increased, thereby improving the stability of the connection; on both sides of the second bushing 11, protrusions 13 are provided on the lower connecting ear 9, and a groove matching the protrusion 13 is provided on the lower side wall of the lower connecting ear 9, which can further improve the stability of the connection; to improve the strength and service life of the device, the upper support member 6, the lower support member 7 and the upper connecting ear 8, the lower connecting ear 9; between the upper connecting ear 8, the lower connecting ear 9 and the first bushing 10, the second bushing 11 are all integrally formed structures.

[0027] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A high current ultra-thin thermal protector, comprising a thermal protector body, on which a wire is provided, characterized in that: Support members are symmetrically provided on both sides of the thermal protector body; A concave cavity is provided on the side of the support member, and both sides of the thermal protector body are embedded in the concave cavity of the support member; Located on the upper and lower sides of the thermal protector body, support columns are provided on the side walls of the cavity to bridge the gap between the thermal protector body and the side walls of the cavity; and the lower side of the support is provided with a fixing ear that is installed at a right angle as a whole.

2. The high current ultra-thin thermal protector according to claim 1, characterized in that: Positioning grooves are provided on the upper and lower sides of the thermal protector body; the top end of the support column is embedded in the positioning groove.

3. The high current ultra-thin thermal protector according to claim 2, characterized in that: The top of the support column is an arc-shaped structure; there are eight support columns in total.

4. A high current ultra-thin thermal protector according to claim 3, characterized in that: Two fixing ears are symmetrically provided on the lower side of the support member, and strip-shaped fixing holes for bolt fixing are provided on the fixing ears.

5. The high current ultra-thin thermal protector according to claim 4, characterized in that: The support member consists of an upper support member and a lower support member, and the upper and lower support members are respectively provided with upper connecting ears and lower connecting ears on the sides; the upper and lower connecting ears are connected by screws to combine the upper and lower support members; and the fixing ears are arranged on the lower side of the lower support member.

6. The high current ultra-thin thermal protector according to claim 5, characterized in that: A first shaft sleeve and a second shaft sleeve are respectively provided on the upper side surfaces of the upper connecting ear and the lower connecting ear, and the second shaft sleeve is located inside the first shaft sleeve. The screw passes through the second shaft sleeve to secure the first shaft sleeve and the second shaft sleeve.

7. The high current ultra-thin thermal protector according to claim 6, characterized in that: Protrusions are provided on both sides of the second sleeve and located on the lower connecting ear, and grooves matching the protrusions are provided on the lower side wall of the lower connecting ear.

8. The high current ultra-thin thermal protector according to claim 7, characterized in that: The support member and the support column; the fixing ear and the support member; the upper support member, the lower support member and the upper connecting ear, the lower connecting ear; the upper connecting ear, the lower connecting ear and the first shaft sleeve, the second shaft sleeve are all integrally formed structures.

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