Anti-loosening structure for connector of heating film

By incorporating an adhesive layer, foam, and snap-on straps into the heating film connector, the problem of connector loosening is solved, improving the safety and performance of the heating film and extending its service life.

CN223912599UActive Publication Date: 2026-02-13DONGGUAN GUI XIANG INSULATION MATERIAL CO LTD
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Patent Information

Application Number
CN202520422520.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-13
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

In existing technologies, heating film connectors are prone to loosening during vehicle operation, leading to safety hazards, performance degradation, and short service life.

Method used

The structure employs an adhesive layer, foam, and buckle straps. The adhesive layer is superimposed on the connector surface, the foam is superimposed on the adhesive layer surface, and the buckle straps are used to bind and fix the connector and foam around them. Positioning buckles are used to position the connector with external parts, enhancing the fixing effect.

Benefits of technology

It effectively prevents the connector from loosening when the car shakes, avoids collisions with the battery module, improves safety performance and product quality, and extends service life.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223912599U_ABST
Patent Text Reader

Abstract

The utility model discloses an anti-loosening structure for a connector of a heating film. The anti-loosening structure comprises the heating film, a bonding layer, foam and a buckle ribbon, the bonding layer is arranged on the surface of the connector in an overlapping mode, the foam is arranged on the surface of the bonding layer in an overlapping mode, the buckle binding belt comprises a binding belt body and a positioning buckle used for being matched with an external part for positioning, the binding belt body is bound and fixed to the periphery of the connector and the periphery of the foam, and the positioning buckle is arranged on the binding belt body. According to the structure, the ribbon main body can be firmly fixed on the peripheries of the connector and the foam, the connector of the heating film is effectively fixed on the battery module by matching and positioning the positioning buckle and an external part, and the connector is effectively prevented from loosening when the battery module shakes in the running process of an automobile, so that the service life of the battery module is prolonged. The heating film connector and the external connector are not easy to loosen, so that the normal use of the heating film is ensured; the heating film connector is effectively prevented from colliding with the battery module, the heating film connector is not easy to damage, the product quality is improved, and the service life is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field technology of heating film, especially a loosening prevention structure for the connector of heating film. BACKGROUND

[0002] At present, the global energy and environmental problems are serious, and the development and utilization of new energy are paid more and more attention, especially the new energy electric vehicles in recent years. Major car companies have invested in the development of new energy electric vehicles. The vehicle-mounted energy system is one of the three core technologies of electric vehicles, which is like the engine of the traditional internal combustion engine, the heart of the electric vehicle, and the only power source of the electric vehicle. It accounts for 1 / 3 of the whole vehicle cost of the electric vehicle.

[0003] The battery of the new energy electric vehicle attenuates more in the low temperature environment, in order to solve this problem, the heating film is usually arranged on the side or bottom surface of the battery module, and the performance of the battery is improved by the heating effect of the heating film, the service life is prolonged, and the quality of the battery is improved.

[0004] In the prior art, the heating film is usually installed on the side or bottom surface of the battery module by double-sided adhesive, the connector of the heating film is connected with the external connector by plug-in electrical connection to supply power to the heating film. Although this structure is simple and can basically realize the heating function of the heating film, the battery module will shake during the driving of the automobile, the connector of the heating film will vibrate, the connector will be easily loosened, the connector of the heating film will be easily disconnected from the external connector, the normal use of the heating film is affected, and there is a great safety hazard. Moreover, the connector of the heating film will collide with the battery module, the connector of the heating film is easily damaged, the overall performance of the product is affected, the quality of the product is poor, the service life is short, and the existing demand cannot be met. Therefore, it is necessary to study a new technical scheme to improve the above problems. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a loosening prevention structure for the connector of heating film, which can effectively solve the problems in the prior art that the battery module will shake during the driving of the automobile, the connector of the heating film will vibrate, the connector will be easily loosened, the connector of the heating film will be easily disconnected from the external connector, the normal use of the heating film is affected, there is a great safety hazard, the connector of the heating film will collide with the battery module, the connector of the heating film is easily damaged, the overall performance of the product is affected, the quality of the product is poor, and the service life is short.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The application discloses a loosening-preventing structure of a connector for a heating film, which comprises a heating film, a bonding layer, foam and a buckle strap.

[0008] As a preferred solution, the bonding layer is a double-sided adhesive layer, which has good bonding force, good temperature resistance, simple operation and convenient and fast use.

[0009] As a preferred solution, the foam is CR foam, which has good elasticity, good flame retardation, buffering performance, shock absorption, weather resistance, heat insulation, oil resistance and chemical corrosion resistance, and is environment-friendly and safe.

[0010] As a preferred solution, the thickness of the foam is 1.5 mm.

[0011] As a preferred solution, the buckle strap is made of nylon.

[0012] As a preferred solution, the positioning buckle is in a U-shaped structure.

[0013] As a preferred solution, the positioning buckle is internally provided with a plurality of elastic sheets, which effectively enhance the stability of the connection structure of the positioning buckle and external parts and improve the quality of products.

[0014] As a preferred solution, the bonding layer is square-shaped, and correspondingly, the foam is also square-shaped.

[0015] As a preferred solution, the heating film comprises a heating film body and a wire harness, the heating film body is provided with a wire outlet position, one end of the wire harness is arranged on the wire outlet position and extends out of the heating film body, and the connector is arranged at the other end of the wire harness.

[0016] Compared with the prior art, the application has obvious advantages and beneficial effects, specifically, the above technical solution can know that:

[0017] The structure can firmly fix the band body on the periphery of the connector and the foam, the positioning buckle is used for positioning with external parts, the connector of the heating film is effectively fixed on the battery module, when the battery module shakes during the driving of the automobile, the connector is effectively prevented from loosening, the connector of the heating film is not easy to be loosened with the external connector, the normal use of the heating film is ensured, the safety performance during use is improved, the connector of the heating film is effectively prevented from colliding with the battery module, the heating film connector is not easy to be damaged, the overall performance of the product is improved, the quality of the product is improved, the service life of the product is prolonged, and the existing demand is met.

[0018] In order to more clearly illustrate the structural features and effects of the present application, the present application will be described in detail below in conjunction with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a schematic diagram of a preferred embodiment of the present application;

[0020] Figure 2 is Figure 1 is an enlarged schematic diagram of position A in the preferred embodiment of the present application;

[0021] Figure 3 is an exploded view of the preferred embodiment of the present application;

[0022] Figure 4 is a schematic diagram of the three-dimensional structure of the buckle band in the preferred embodiment of the present application.

[0023] EXPLANATION OF THE DRAWINGS:

[0024] 10, heating film 11, connector

[0025] 12, heating film body 121, wire outlet

[0026] 13, wire harness 20, adhesive layer

[0027] 30, foam 40, buckle band

[0028] 41, band body 42, positioning buckle

[0029] 421, spring piece. DETAILED DESCRIPTION

[0030] Please refer to Figures 1 to 4As shown, it shows the specific structure of the preferred embodiment of the utility model, including heating film 10, adhesive layer 20, foam 30 and buckle tie 40.

[0031] The heating film 10 is provided with connector 11; in the embodiment, the heating film 10 includes heating film main body 12 and wire harness 13, the heating film main body 12 has outgoing line position 121, one end of the wire harness 13 is arranged on outgoing line position 121 and extends out of heating film main body 12, and the connector 11 is arranged at the other end of the wire harness 13.

[0032] The adhesive layer 20 is arranged on the surface of the connector 11; in the embodiment, the adhesive layer 20 is double-sided adhesive layer, the double-sided adhesive layer has good adhesive force, good temperature resistance, simple operation and convenient and fast use; the adhesive layer 20 is square.

[0033] The foam 30 is arranged on the surface of the adhesive layer 20; in the embodiment, the foam 30 is CR foam, the CR foam has good elasticity, good flame retardant performance, buffering performance, shock absorption performance, weather resistance, heat insulation performance, oil resistance and chemical corrosion resistance, and is environmentally friendly and safe; the thickness of the foam 30 is 1.5mm, the thickness of the foam 30 can also be set to 2mm, and the thickness of the foam 30 can be set according to actual requirements; the foam 30 is square.

[0034] The buckle tie 40 includes tie main body 41 and positioning buckle 42 for cooperating with external parts, the tie main body 41 is bound and fixed on the periphery of the connector 11 and the foam 30, and the foam 30 is helpful to increase the friction between the tie main body 41 and the connector 11, the elasticity of the foam 30 can generate height difference, so that the tie main body 41 is more firmly fixed on the periphery of the connector 11 and the foam 30 and is not easy to loosen; the positioning buckle 42 is arranged on the tie main body 41; in the embodiment, the buckle tie 40 is made of nylon material; the positioning buckle 42 is in U-shaped structure; the positioning buckle 42 is internally provided with a plurality of elastic sheets 421, effectively enhancing the stability of the positioning buckle 42 and external part connection structure and improving the quality of the product.

[0035] The manufacturing and assembling process of the embodiment is as follows:

[0036] First, prepare double-sided tape, foam 30, buckle tie 40 and heating film 10 (the heating film 10 includes heating film main body 12, wire harness 13 and connector 11); then, the double-sided tape is pasted to the surface of the connector 11 of the heating film 10, the release paper is torn off to obtain the adhesive layer 20; then, the foam 30 is pasted to the surface of the adhesive layer 20; then, the tie main body 41 of the buckle tie 40 is tied and fixed at the periphery of the connector 11 and the foam 30; when used, the heating film 10 is installed to the side or bottom surface of the battery module, the connector 11 of the heating film 10 is connected with the external connector, and the positioning buckle 42 of the buckle tie 40 is positioned with the external part (the part on the battery module).

[0037] The design emphasis of the utility model lies in:

[0038] By setting the connector on the heating film, the adhesive layer is stacked on the surface of the connector, the foam is stacked on the surface of the adhesive layer, the buckle tie is provided with the tie main body and the positioning buckle for cooperating with the external part, the tie main body is tied and fixed at the periphery of the connector and the foam, and the positioning buckle is arranged on the tie main body, so that the tie main body is firmly fixed at the periphery of the connector and the foam, the positioning buckle cooperates with the external part, the connector of the heating film is effectively fixed on the battery module, the connector is effectively prevented from loosening when the battery module shakes during the driving of the automobile, the connector of the heating film is not easy to be loosened with the external connector, the normal use of the heating film is ensured, the safety performance during use is improved, the connector of the heating film is effectively prevented from colliding with the battery module, the connector of the heating film is not easy to be damaged, the overall performance of the product is improved, the quality of the product is improved, the service life of the product is prolonged, and the existing demand is met.

[0039] The above is only a preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model still belongs to the range of the technical scheme of the utility model.

Claims

1. A locking structure for a connector for a heating film, characterized by: The utility model relates to a heating film, adhesive layer, foam and buckle strap, the heating film is provided with a connector, the adhesive layer is superimposed on the surface of the connector, the foam is superimposed on the surface of the adhesive layer, the buckle strap includes a strap body and a positioning buckle for cooperating with external parts, the strap body is bound and fixed on the periphery of the connector and the foam, and the positioning buckle is arranged on the strap body.

2. The anti-loosening structure for a connector of a heating film according to claim 1, characterized by: The adhesive layer is a double-sided adhesive layer.

3. The anti-loosening structure for a connector of a heating film according to claim 1, characterized by: The foam is CR foam.

4. The anti-loosening structure for a connector of a heating film according to claim 1, characterized by: The thickness of the foam is 1.5 mm.

5. The anti-loosening structure for a connector of a heating film according to claim 1, characterized by: The buckle strap is made of nylon.

6. The anti-loosening structure for a connector of a heating film according to claim 1, characterized by: The positioning buckle has a U-shaped structure.

7. The anti-loosening structure for a connector of a heating film according to claim 6, characterized by: Multiple elastic pieces are arranged inside the positioning buckle.

8. The anti-loosening structure for a connector of a heating film according to claim 1, characterized by: The adhesive layer is square, and the foam is also square.

9. The anti-loosening structure for a connector of a heating film according to claim 1, characterized by: The heating film includes a heating film body and a wire harness, the heating film body has a wire outlet, one end of the wire harness is arranged on the wire outlet and extends out of the heating film body, and the connector is arranged at the other end of the wire harness.