CN218761138U

CN218761138U - Folding damping film

Info

Publication number: CN218761138U
Application number: CN202223235249.XU
Authority: CN
Inventors: 杨陈; 杨树林; 章林莉; 丁勇
Original assignee: Rugao Jinmao Rubber Co ltd
Current assignee: Rugao Jinmao Rubber Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-03-28
Anticipated expiration: 2032-12-02

Abstract

The utility model relates to a damping fin technical field, specifically speaking relates to a foldable damping film, cup joint the rectangle frame in the damping film body outside respectively including two articulated damping film bodies and two, the top surface of damping film body is equipped with the replacement rather than the same size, four edges of top surface of replacement all are equipped with the mounting, the mounting is including the installation section of thick bamboo, sliding connection has the button in the installation section of thick bamboo, the bottom surface of installation section of thick bamboo is fixed with solid fixed cylinder, the bottom surface of button is fixed with the slider with solid fixed cylinder sliding connection, be fixed with between the bottom surface of button and the installation section of thick bamboo and establish the spring in the slider outside, the lateral wall of slider is close to bottom department and sets up flutedly, be close to the ball that bottom department roll connection has two symmetries in the solid fixed cylinder lateral wall. The utility model discloses a mounting can protect damping film body surface at the fixed replacement of damping film body top surface, and the convenient replacement of replacement, prolongs the life of damping film body.

Description

Folding damping film

Technical Field

The utility model relates to a damping fin technical field, specifically speaking relates to a foldable damping film.

Background

The damping film is a hot-melt composite sheet material formed by blending and pressing multiple components, can be made into different shapes and thicknesses according to requirements, is usually adhered to the inner surface of a vehicle body and is tightly adhered to the steel plate wall of the vehicle body, and plays a role in reducing noise and vibration.

The utility model discloses a damping film for car in utility model with publication number CN210390353U discloses a damping film for car, including pitch base damping film, the surface of damping film is equipped with anti-adhesion layer, and anti-adhesion layer adopts the cellophane material, and the cellophane is even as an organic whole through hot pressing and damping film bonding.

The utility model discloses an anti-adhesion layer on damping film surface for car replaces the PE film through the cellophane, can prevent to fold each other between the damping film and press the time overlength to cause and harden, the adhesion, and the cellophane performance does not change after the automobile body high temperature toasts simultaneously, but because the surface of this damping fin is that direct naked leaks out, especially in the door position, the damping fin produces the damage easily, influences the normal use effect of damping fin.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a foldable damping film to solve the damping fin surface easy damage problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a foldable damping film, cup joints respectively including two articulated damping film bodies and two the rectangle frame in the damping film body outside, the top surface of damping film body is equipped with the replacement piece the same rather than the size, four edges of top surface of replacement piece all are equipped with the mounting, the mounting includes an installation section of thick bamboo, sliding connection has the button in the installation section of thick bamboo, the bottom surface of an installation section of thick bamboo is fixed with the solid fixed cylinder, the bottom surface of button be fixed with gu fixed cylinder sliding connection's slider, the bottom surface of button with be fixed with between the installation section of thick bamboo and establish the cover and establish the spring in the slider outside, the lateral wall of slider is close to bottom department and sets up flutedly, be close to the ball of bottom department roll connection two symmetries in the solid fixed cylinder lateral wall.

Preferably, the rectangular frames are U-shaped, the openings of the two rectangular frames are opposite, and the rectangular frames are made of rubber magnets.

Preferably, four corners of replacement all offer and are used for holding the through-hole of solid fixed cylinder, four corners of damping film body in through-hole below department offers and is used for holding the draw-in groove of solid fixed cylinder, the draw-in groove inside wall is close to lower extreme department and still is equipped with and is used for holding the annular of ball.

Preferably, the damping film body sequentially comprises an energy absorption layer, a heat insulation layer and an adhesive layer from top to bottom, the energy absorption layer is made of butyl rubber, and the heat insulation layer is made of nitrile rubber.

Preferably, the replacement part sequentially comprises a corrosion-resistant layer, an anti-aging layer, a sound insulation layer and an isolation layer from top to bottom, the corrosion-resistant layer is made of aluminum foil release paper, the anti-aging layer is made of a nylon anti-aging film, the sound insulation layer is made of soundproof cotton, and the isolation layer is made of EVA.

Preferably, the upper end and the lower end of the groove are both provided with truncated cone-shaped landslides; the fixed cylinder is fixed with a stop block at the position close to the outer side wall of the ball, and the inner diameter of the stop block is smaller than the ball diameter of the ball.

Preferably, a plurality of hinges are regularly arranged at positions close to the bottom ends inside the opposite surfaces of the two damping film bodies, and the opposite surface bottom ends of the two damping film bodies and the opposite surface bottom ends of the rectangular frames are subjected to chamfering treatment.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a through having set up the hinge, two damping film bodies pass through hinge connection, can fold into certain angle with two damping film bodies, can be used for each position in the car, and the suitability is wider, and can save space when keeping flat, convenient storage and transportation.

2. The utility model discloses a through having set up replacement and mounting, use the mounting to fix the replacement on damping film body, can protect damping film body surface, and the convenient replacement of replacement, the life of extension damping film body.

Drawings

Fig. 1 is a schematic view of the overall structure of the utility model;

fig. 2 is a partial exploded view of the utility model;

FIG. 3 is a schematic structural view of a damping film body of the utility model;

FIG. 4 is a cross-sectional view of the middle rectangular frame and the damping film body of the utility model;

FIG. 5 is a schematic structural view of the damping film body of the utility model;

FIG. 6 is a schematic structural view of a replacement part in the utility model;

fig. 7 is a schematic structural view of the fixing member of the utility model;

fig. 8 is a sectional view of the fixing member in the utility model.

In the figure:

1. a rectangular frame; 10. a damping film body; 11. a card slot; 12. an energy absorbing layer; 13. a thermal insulation layer; 14. an adhesive layer;

2. a replacement component; 20. a through hole; 21. a corrosion-resistant layer; 22. an anti-aging layer; 23. a sound insulating layer; 24. an isolation layer;

3. a fixing member; 30. mounting the cylinder; 31. a fixed cylinder; 32. a button; 33. a slider; 34. a spring; 35. a groove; 36. landslide; 37. a ball bearing; 38. a stopper;

4. and (7) a hinge.

Detailed Description

The technical solution in the present invention will be clearly and completely described below with reference to the drawings in the present invention, and it is obvious that the described utility model is only a part of the utility model rather than the whole utility model. Based on utility model provides a, all other utility model that the ordinary skilled person in the art obtained under the prerequisite of not making creative work all belong to the utility model discloses the scope of protection.

Referring to fig. 1-8, the present invention provides a technical solution:

the utility model provides a foldable damping film, including two articulated damping film bodies 10 and two rectangle frames 1 that cup joint respectively in the damping film body 10 outside, the top surface of damping film body 10 is equipped with the same replacement 2 rather than the size, four edges on the top surface of replacement 2 all are equipped with mounting 3, mounting 3 includes an installation section of thick bamboo 30, sliding connection has button 32 in the installation section of thick bamboo 30, the bottom surface of an installation section of thick bamboo 30 is fixed with solid fixed cylinder 31, button 32's bottom surface is fixed with slider 33 with solid fixed cylinder 31 sliding connection, it establishes the spring 34 in the slider 33 outside to be fixed with the cover between button 32's bottom surface and the installation section of thick bamboo 30, slider 33's lateral wall is close to bottom department and has seted up recess 35, be close to bottom department roll connection in the solid fixed cylinder 31 lateral wall and have the ball 37 of two symmetries, through two ball 37 cards fixed damping film bodies 10 and replacement 2 in draw-in groove 11, be convenient for change replacement 2.

In this embodiment, the rectangular frames 1 are U-shaped, the openings of the two rectangular frames 1 are opposite, the rectangular frames 1 are made of rubber magnets, and can be tightly attached to the steel plate in the vehicle, so that the reinforced damping film body 10 is connected with the steel plate in the vehicle, and the working effect of the damping film body 10 is improved.

Specifically, four corners of replacement 2 all offer the through-hole 20 that is used for holding a solid fixed cylinder 31, four corners of damping film body 10 offer the draw-in groove 11 that is used for holding a solid fixed cylinder 31 in through-hole 20 below department, draw-in groove 11 inside wall is close to lower extreme department and still is equipped with the annular that is used for holding ball 37 for hold solid fixed cylinder 31 up-and-down motion and fixed.

Further, damping film body 10 is energy-absorbing layer 12, insulating layer 13 and adhesive linkage 14 from the top down in proper order, and the material of energy-absorbing layer 12 is butyl rubber, and the material of insulating layer 13 is nitrile rubber, and the material of energy-absorbing layer 12 is butyl rubber, and butyl rubber has high damping nature, can weaken the vibration wave, plays the effect that reduces vibration and noise, and the material of insulating layer 13 is nitrile rubber, and nitrile rubber has better heat resistance, can play fine thermal-insulated effect.

Further, the replacement 2 is sequentially provided with a corrosion-resistant layer 21, an anti-aging layer 22, a sound-insulating layer 23 and an isolating layer 24 from top to bottom, the corrosion-resistant layer 21 is made of aluminum foil release paper, the anti-aging layer 22 is made of a nylon anti-aging film, the sound-insulating layer 23 is made of soundproof cotton, the isolating layer 24 is made of EVA, the damping film body 10 is protected, noise is further reduced, and the isolating layer 24 prevents the replacement 2 from being bonded with the fixing piece 3.

It is noted that the upper and lower ends of the groove 35 are both provided with a truncated cone-shaped slide 36, which facilitates the rolling of the ball 37 to the position of the groove 35 when the button 32 is pressed; the fixed cylinder 31 has a stopper 38 fixed to an outer side wall thereof near the ball 37, and the stopper 38 has an inner diameter smaller than the ball diameter of the ball 37 and blocks the ball 37 to prevent the ball 37 from rolling out of the fixed cylinder 31.

It is worth to be noted that a plurality of hinges 4 are regularly arranged at the positions close to the bottom ends inside the opposite surfaces of the two damping film bodies 10, the bottom ends of the opposite surfaces of the two damping film bodies 10 and the bottom ends of the opposite surfaces of the two rectangular frames 1 are chamfered, the chamfer can let two damping film bodies 10 and two rectangle frames 1 can fold smoothly, can fold into certain angle with two damping film bodies 10 through hinge 4, and application scope is wider.

The utility model discloses a foldable damping film is when using, align damping film body 10 and replacement 2, press button 32, slider 33 descends, ball 37 guides the card in recess 35 through the landslide 36 of below, at this moment, solid fixed cylinder 31 can insert in through-hole 20, insert mounting 3 in through-hole 20 and draw-in groove 11, loosen button 32, spring 34 promotes button 32 and rises, button 32 drives slider 33 and rises, ball 37 guides through the landslide 36 of below again and breaks away from recess 35 and slider 33 butt, the part card of ball 37 outside solid fixed cylinder 31 is in the annular of draw-in groove 11 lower extreme, the fixing of replacement 2 and mounting 3 is accomplished in other mounting 3 repetitive operation;

bending the two damping film bodies 10 and the two bent rectangular frames 1 into proper angles and installing the same at proper positions; the butyl rubber of the energy absorption layer 12 can reduce noise and vibration, and the nitrile rubber of the heat insulation layer 13 can play a role in heat insulation; the corrosion-resistant layer 21 and the anti-aging layer 22 can well protect the damping rubber sheet body 10, the sound-insulating layer 23 can further reduce noise, and the isolation layer 24 can prevent the replacement 2 from being adhered to the damping rubber sheet body 10;

when the replacement part 2 needs to be replaced, the button 32 is pressed, the sliding part 33 descends, the ball 37 is clamped in the groove 35, the ball 37 is separated from the annular groove at the lower end of the clamping groove 11, the fixing part 3 can be drawn out at the moment, other fixing parts 3 are drawn out again, and the replacement part 2 is replaced conveniently and quickly.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The technical personnel of this trade should understand, the utility model does not receive the restriction of above-mentioned utility model, and what describe in above-mentioned utility model and the description only does the preferred example of the utility model to need not restrict the utility model, under the prerequisite that does not deviate from the spirit and scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the scope of the utility model that claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a foldable damping film, includes that two articulated damping film bodies (10) and two cup joint respectively rectangle frame (1) in damping film body (10) outside, its characterized in that: the top surface of damping film body (10) is equipped with replacement (2) the same rather than the size, four edges on the top surface of replacement (2) all are equipped with mounting (3), mounting (3) are including installation section of thick bamboo (30), sliding connection has button (32) in installation section of thick bamboo (30), the bottom surface of installation section of thick bamboo (30) is fixed with solid fixed cylinder (31), the bottom surface of button (32) be fixed with gu fixed cylinder (31) sliding connection's slider (33), the bottom surface of button (32) with be fixed with the cover between installation section of thick bamboo (30) and establish spring (34) in slider (33) outside, the lateral wall of slider (33) is close to bottom department and has seted up recess (35), be close to bottom department rolling connection has two symmetrical ball (37) in solid fixed cylinder (31) the lateral wall.

2. The folding damping film of claim 1, wherein: the rectangular frame (1) is U-shaped, the openings of the two rectangular frames (1) are opposite, and the rectangular frames (1) are made of rubber magnets.

3. The folding damping film of claim 1, wherein: four edges of replacement (2) all offer and are used for holding through-hole (20) of solid fixed cylinder (31), four corners of damping film body (10) in through-hole (20) below department offers and is used for holding draw-in groove (11) of solid fixed cylinder (31), draw-in groove (11) inside wall is close to lower extreme department and still is equipped with and is used for holding the annular of ball (37).

4. The folding damping film of claim 1, wherein: the damping film body (10) is provided with an energy absorption layer (12), a heat insulation layer (13) and an adhesive layer (14) from top to bottom in sequence, the energy absorption layer (12) is made of butyl rubber, and the heat insulation layer (13) is made of nitrile rubber.

5. The folding damping film of claim 1, wherein: the replacement part (2) sequentially comprises a corrosion-resistant layer (21), an anti-aging layer (22), a sound insulation layer (23) and an isolation layer (24) from top to bottom, wherein the corrosion-resistant layer (21) is made of aluminum foil release paper, the anti-aging layer (22) is made of a nylon anti-aging film, the sound insulation layer (23) is made of soundproof cotton, and the isolation layer (24) is made of EVA.

6. The folding damping film of claim 1, wherein: the upper end and the lower end of the groove (35) are both provided with a truncated cone-shaped landslide (36); a stopper (38) is fixed on the fixed cylinder (31) close to the outer side wall of the ball (37), and the inner diameter of the stopper (38) is smaller than the ball diameter of the ball (37).

7. The folding damping film of claim 1, wherein: two a plurality of hinges (4) are regularly installed near bottom department inside the opposite face of damping film body (10), two damping film body (10) opposite face bottom and two rectangle frame (1) opposite face bottom all is done the chamfer and is handled.