Insulation buffer pad for battery pack module

Abstract

The utility model discloses an insulating buffer pad for a battery pack module, which comprises a buffer pad body, and the buffer pad body comprises an upper polycarbonate film layer, a return rubber pad layer, a first adhesive layer, a silica gel foam layer, a second adhesive layer, a hard rubber layer and a lower polycarbonate film layer, a lower polycarbonate film layer is arranged at the lower end of the cushion pad body, a hard rubber layer is arranged at the top end of the lower polycarbonate film layer, a second adhesive layer is adhered to one end, far away from the lower polycarbonate film layer, of the hard rubber layer, and a silica gel foam layer is adhered to the top end of the second adhesive layer. According to the utility model, the buffer performance of the buffer pad is improved so as to guarantee the buffer protection effect of the buffer pad on the battery pack module, the insulation effect of the buffer pad is also guaranteed, the purpose of positioning and arranging the buffer pad is achieved, and the phenomenon that the buffer pad is damaged due to high temperature can be reduced so as to prolong the service life of the buffer pad.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicle batteries, in particular to an insulating buffer pad for a battery pack module. Background Art

[0002] With the continuous development of society, the new energy vehicle industry has developed rapidly. During the movement of the car, lateral vibration often occurs. In order to reduce the damage caused by external forces to the battery pack modules of new energy vehicles, corresponding insulating buffer pads are required to protect the battery pack modules of new energy vehicles.

[0003] A high-strength buffer pad with reference publication number CN212102675U includes a polycarbonate film layer, a silicone foam layer and a hard rubber layer stacked in sequence; the polycarbonate film layer, the silicone foam layer and the hard rubber layer are connected by a double-sided adhesive layer. The high-strength buffer pad can well protect the module of the battery pack in an insulating and flame-retardant environment, buffer the module, and avoid being subjected to huge external impact force, thereby improving the service life and safety of the new energy vehicle battery pack. According to the above, although the buffer pad can be well applied, the buffer pad usually only relies on the silicone foam layer for buffering treatment, so that the buffer performance of the buffer pad is still difficult to meet the established expectations. In addition, the buffer pad relies on the polycarbonate film layer for insulation treatment. When the polycarbonate film layer is damaged, it affects the insulation performance of the buffer pad, which often troubles people. Utility Model Content

[0004] The purpose of the utility model is to provide an insulating buffer pad for a battery pack module, so as to solve the problem that although the buffer pad proposed in the above background technology can be well applied, the buffer pad usually only relies on the silicone foam layer for buffering treatment, so that the buffering performance of the buffer pad is still difficult to reach the established expectations. In addition, the buffer pad relies on the polycarbonate film layer for insulation treatment. When the polycarbonate film layer is damaged, the insulation performance of the buffer pad is affected.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an insulating buffer pad for a battery pack module, comprising a buffer pad body, the buffer pad body comprising an upper polycarbonate film layer, a rebound rubber pad layer, a first adhesive layer, a silicone foam layer, a second adhesive layer, a hard rubber layer and a lower polycarbonate film layer, the lower end of the buffer pad body is provided with a lower polycarbonate film layer, the top of the lower polycarbonate film layer is provided with a hard rubber layer, the end of the hard rubber layer away from the lower polycarbonate film layer is adhered with the second adhesive layer, the top of the second adhesive layer is adhered with a silicone foam layer, the end of the silicone foam layer away from the second adhesive layer is adhered with the first adhesive layer, the top of the first adhesive layer is adhered with a rebound rubber pad layer, and the end of the rebound rubber pad layer away from the first adhesive layer is provided with an upper polycarbonate film layer.

[0006] Preferably, a semi-waist-shaped hole is provided on one side of the interior of the buffer pad body, and one end of the semi-waist-shaped hole extends to the exterior of the buffer pad body. The semi-waist-shaped hole is provided so that the buffer pad can be positioned and installed with the aid of bolts.

[0007] Preferably, a rubber insulating pad is arranged at the center position inside the rebound rubber pad layer, and the buffering performance of the buffer pad is improved by the arrangement of the rubber insulating pad.

[0008] Preferably, a buffer zone is arranged at the center position inside the silicone foam layer, the silicone foam layer above the buffer zone is filled with an upper foam pad layer with equal intervals, and the silicone foam layer below the buffer zone is filled with a lower foam pad layer with equal intervals, and the buffering performance of the buffer pad is improved by arranging the lower foam pad layer and the upper foam pad layer.

[0009] Preferably, an epoxy resin flame retardant layer is provided at the central position inside the hard rubber layer, and the flame retardant performance of the buffer pad is improved by providing the epoxy resin flame retardant layer.

[0010] Preferably, two positioning holes are provided inside the buffer pad body on one side of the semi-waist-shaped hole, and both ends of the positioning holes extend to the outside of the buffer pad body. Through the provision of the positioning holes, the buffer pad can be positioned and placed with the help of bolts.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the insulating buffer pad for the battery pack module not only improves the buffering performance of the buffer pad to ensure the buffering protection effect of the buffer pad on the battery pack module, but also ensures the insulation effect of the buffer pad, and achieves the purpose of positioning and placing the buffer pad, and can reduce the phenomenon of damage to the buffer pad due to high temperature, so as to extend the service life of the buffer pad;

[0012] (1) By providing a silicone foam layer, providing a buffer zone inside the silicone foam layer, and filling the upper foam cushion layer and the lower foam cushion layer in the silicone foam layer, the buffering performance of the silicone foam layer is improved, thereby improving the buffering performance of the buffer pad, so as to ensure the buffering protection effect of the buffer pad on the battery pack module;

[0013] (2) By providing a rebound rubber cushion layer and providing a rubber insulating cushion inside the rebound rubber cushion layer, the insulation performance of the buffer cushion can be achieved in cooperation with the upper polycarbonate film layer and the lower polycarbonate film layer. Since multiple insulation treatments can be performed, the insulation effect of the buffer cushion is guaranteed;

[0014] (3) By setting the positioning hole and the half-waist hole, the buffer pad can be placed on the inner wall of the battery pack module by simply passing the bolt through the positioning hole or the half-waist hole and screwing it into the inner wall of the shell of the battery pack module, thereby achieving the purpose of positioning and placing the buffer pad;

[0015] (4) By providing a hard rubber layer and an epoxy resin flame retardant layer inside the hard rubber layer, the high temperature resistance and flame retardant properties of the insulating pad can be improved, thereby reducing the phenomenon of damage to the buffer pad due to high temperature, thereby extending the service life of the buffer pad. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of the utility model from a top view;

[0017] Figure 2 This is a schematic diagram of a partial cross-sectional structure of the silicone foam layer of the utility model;

[0018] Figure 3 This is a partial cross-sectional structural diagram of the rebound rubber cushion layer of the utility model;

[0019] Figure 4 It is a schematic diagram of the partial cross-sectional structure of the hard rubber layer of the utility model.

[0020] In the figure: 1. cushion body; 101. upper polycarbonate film layer; 102. rebound rubber pad layer; 103. first adhesive layer; 104. silicone foam layer; 105. second adhesive layer; 106. hard rubber layer; 107. lower polycarbonate film layer; 2. positioning hole; 3. half waist hole; 4. cushion belt; 5. upper foam pad layer; 6. lower foam pad layer; 7. rubber insulation pad; 8. epoxy resin flame retardant layer. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides an embodiment: an insulating buffer pad for a battery pack module, comprising a buffer pad body 1, a half-waist hole 3 is provided on one side of the inside of the buffer pad body 1, and one end of the half-waist hole 3 extends to the outside of the buffer pad body 1;

[0023] When in use, the buffer pad can be positioned and placed with the aid of bolts through the provision of the semi-waist hole 3;

[0024] Two positioning holes 2 are provided inside the cushion body 1 on one side of the semi-waist hole 3, and both ends of the positioning holes 2 extend to the outside of the cushion body 1;

[0025] When in use, the positioning hole 2 is provided so as to position and place the buffer pad with the aid of a bolt;

[0026] The cushion body 1 comprises an upper polycarbonate film layer 101, a rebound rubber pad layer 102, a first adhesive layer 103, a silicone foam layer 104, a second adhesive layer 105, a hard rubber layer 106 and a lower polycarbonate film layer 107. The lower end of the cushion body 1 is provided with the lower polycarbonate film layer 107, the top of the lower polycarbonate film layer 107 is provided with the hard rubber layer 106, and the epoxy resin flame retardant layer 8 is provided at the center of the hard rubber layer 106.

[0027] When in use, the flame retardant performance of the cushion is improved by setting the epoxy resin flame retardant layer 8;

[0028] A second adhesive layer 105 is adhered to one end of the hard rubber layer 106 away from the lower polycarbonate film layer 107, a silicone foam layer 104 is adhered to the top of the second adhesive layer 105, a buffer zone 4 is provided at the center of the silicone foam layer 104, the silicone foam layer 104 above the buffer zone 4 is filled with upper foam cushion layers 5 at equal intervals, and the silicone foam layer 104 below the buffer zone 4 is filled with lower foam cushion layers 6 at equal intervals;

[0029] When in use, the lower foam pad layer 6 and the upper foam pad layer 5 are arranged to improve the cushioning performance of the cushion;

[0030] The first adhesive layer 103 is attached to one end of the silicone foam layer 104 away from the second adhesive layer 105, the top of the first adhesive layer 103 is attached to the rebound rubber pad layer 102, and the rubber insulating pad 7 is arranged at the center of the rebound rubber pad layer 102;

[0031] When in use, the rubber insulating pad 7 is provided to improve the buffering performance of the buffer pad;

[0032] An upper polycarbonate film layer 101 is disposed on one end of the rebound adhesive pad layer 102 away from the first adhesive layer 103 .

[0033] When the embodiment of the present application is in use, first, the buffer pad can be placed on the inner wall of the battery pack module by using a bolt member to penetrate the positioning hole 2 or the semi-waist hole 3 and screw it into the inner wall of the shell of the battery pack module to position the buffer pad. Then, by setting the hard rubber layer 106 and setting the epoxy resin flame retardant layer 8 inside the hard rubber layer 106, the high temperature resistance and flame retardant properties of the insulating pad can be improved. Then, by setting the rebound rubber pad layer 102 and setting the rubber insulating pad 7 inside the rebound rubber pad layer 102, the insulation performance of the buffer pad can be achieved in conjunction with the upper polycarbonate film layer 101 and the lower polycarbonate film layer 107. Finally, by setting the silicone foam layer 104 and setting the buffer belt 4 inside the silicone foam layer 104, and filling the upper foam pad layer 5 and the lower foam pad layer 6 in the silicone foam layer 104, the buffering performance of the silicone foam layer 104 can be improved to provide buffering protection for the battery pack module, thereby completing the use of the insulating buffer pad.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An insulating cushion for a battery pack module, characterized in that: It comprises a buffer pad body (1); The cushion body (1) comprises an upper polycarbonate film layer (101), a rebound rubber pad layer (102), a first adhesive layer (103), a silicone foam layer (104), a second adhesive layer (105), a hard rubber layer (106) and a lower polycarbonate film layer (107); A lower polycarbonate film layer (107) is provided at the lower end of the buffer pad body (1), a hard rubber layer (106) is provided at the top of the lower polycarbonate film layer (107), a second adhesive layer (105) is adhered to one end of the hard rubber layer (106) away from the lower polycarbonate film layer (107), and a silicone foam layer (104) is adhered to the top of the second adhesive layer (105); The first adhesive layer (103) is adhered to one end of the silicone foam layer (104) away from the second adhesive layer (105), a spring-back adhesive pad layer (102) is adhered to the top of the first adhesive layer (103), and an upper polycarbonate film layer (101) is provided at one end of the spring-back adhesive pad layer (102) away from the first adhesive layer (103).

2. The insulating buffer pad for a battery pack module according to claim 1, characterized in that: A semi-waist-shaped hole (3) is provided on one side inside the buffer pad body (1), and one end of the semi-waist-shaped hole (3) extends to the outside of the buffer pad body (1).

3. The insulating buffer pad for a battery pack module according to claim 1, characterized in that: A rubber insulating pad (7) is arranged at the center position inside the rebound rubber pad layer (102).

4. The insulating buffer pad for a battery pack module according to claim 1, characterized in that: A buffer zone (4) is arranged at the center position inside the silicone foam layer (104), the silicone foam layer (104) above the buffer zone (4) is filled with upper foam cushion layers (5) at equal intervals, and the silicone foam layer (104) below the buffer zone (4) is filled with lower foam cushion layers (6) at equal intervals.

5. The insulating buffer pad for a battery pack module according to claim 1, characterized in that: An epoxy resin flame retardant layer (8) is provided at the center of the hard rubber layer (106).

6. The insulating buffer pad for a battery pack module according to claim 2, characterized in that: Two positioning holes (2) are arranged inside the buffer pad body (1) on one side of the semi-waist-shaped hole (3), and both ends of the positioning holes (2) extend to the outside of the buffer pad body (1).

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