Noise-reduction and sound-insulation acoustic bag structure

Abstract

The utility model relates to the technical field of acoustic bags, in particular to a noise-reduction and sound-insulation acoustic bag structure which comprises a cover body used for wrapping a motor, the cover body is provided with a protective layer, the protective layer wraps the outer wall of the cover body, the cover body is provided with a plurality of abutting pieces, and the abutting pieces are connected with the motor. The plurality of abutting parts are arranged around the circumferential direction of the inner wall of the cover body, the abutting parts are used for abutting against the surface of the motor borne by the cover body, and a sound insulation layer is arranged on the side, close to the motor, of each abutting part. Left and right wrapping type loading is adopted, the motor is well supported and fixed, the sound insulation layer is adopted to cut off the transmission path of motor noise, the sound insulation and noise reduction effects are achieved, the motor noise is effectively reduced, and use is easy and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of heating and baking, in particular to an acoustic package structure with noise reduction and sound insulation. Background Art

[0002] When a new energy vehicle motor is in use, it will generate relatively large noise. In order to reduce the generation of noise, a sound insulation cover is often sleeved outside the new energy vehicle motor to isolate a certain amount of noise. Since the surface of the new energy vehicle motor has many uneven structures, it is not easy to install and fix the sound insulation cover outside the new energy vehicle motor. Therefore, multiple threaded holes are often provided outside the new energy vehicle motor, and positioning holes are opened at the positions of the sound insulation cover corresponding to the threaded holes, so as to fix and install the sound insulation cover on the new energy vehicle motor through bolts. This not only makes the installation operation complex and cumbersome, time-consuming, but also the supporting and fixing effect and the sound insulation and noise reduction effect on the new energy vehicle motor are not ideal. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an acoustic package structure with noise reduction and sound insulation for the deficiencies of the prior art. It adopts a left-right wrapping type for loading and plays a good supporting and fixing role for the motor. The sound insulation layer cuts off the propagation path of the motor noise, achieving the sound insulation and noise reduction effect, effectively reducing the motor noise, and is simple and convenient to use.

[0004] To achieve the above purpose, an acoustic package structure with noise reduction and sound insulation of the utility model includes a cover body for wrapping the motor. The cover body is provided with a protective layer, and the protective layer wraps around the outer wall of the cover body. The cover body is provided with a plurality of abutting members, and the plurality of abutting members are arranged circumferentially around the inner wall of the cover body. The abutting members are used to abut against the surface of the motor carried by the cover body, and a sound insulation layer is arranged on the side of the abutting member close to the motor.

[0005] Preferably, the protective layer is made of PET material, the cover body is made of EVA material, the sound insulation layer is made of PU material, an adhesive layer is arranged on the inner wall of the protective layer, and the protective layer is attached to the cover body through the adhesive layer.

[0006] Preferably, a positioning block is arranged on one side of the protective layer, and the positioning block protrudes from the inner wall of the protective layer. A positioning groove is arranged on one side of the cover body, and the positioning groove is recessed from the outer wall of the cover body. The positioning block is accommodated in the positioning groove.

[0007] Preferably, a first connection groove is arranged at one end of the protective layer far from the positioning block, and the first connection groove is recessed from the inner wall of the protective layer. A first connection block is arranged at one end of the cover body far from the positioning groove, and the first connection block protrudes from the outer wall of the cover body. The first connection block protrudes into the first connection groove.

[0008] Preferably, a second connection groove is provided on the other side of the protective layer. The second connection groove is recessed from the inner wall of the protective layer. A second connection block is provided on the other side of the cover body. The second connection block protrudes from the outer wall of the cover body. The second connection block protrudes into the second connection groove.

[0009] Preferably, the cover body is provided with positioning posts. There are multiple positioning posts, and the multiple positioning posts are arranged circumferentially around the inner wall of the cover body. The multiple positioning posts are all used to abut against the outer wall of the positioning motor.

[0010] The beneficial effects of the present utility model are as follows: It adopts a left-right wrapping type for loading and plays a good supporting and fixing role for the motor. The sound insulation layer is used to cut off the propagation path of the motor noise, achieving the sound insulation and noise reduction effect, effectively reducing the motor noise, and is simple and convenient to use. Description of the Drawings

[0011] Figure 1 It is a schematic structural diagram of the present utility model.

[0012] Figure 2 It is an exploded structural diagram of the present utility model.

[0013] Figure 3 It is an exploded structural diagram of the present utility model from another angle.

[0014] The reference numerals include:

[0015] 1 - cover body, 11 - positioning groove, 12 - first connection block

[0016] 13 - second connection block, 14 - positioning post

[0017] 2 - protective layer, 21 - positioning block, 22 - first connection groove

[0018] 23 - second connection groove

[0019] 3 - abutting member, 4 - sound insulation layer, 5 - adhesive layer. Detailed Description of the Embodiment

[0020] The present utility model will be described in detail below with reference to the drawings.

[0021] As Figures 1 to 3 shown, an acoustic package structure for noise reduction and sound insulation of the present utility model includes a cover body 1 for wrapping a motor. The cover body 1 is provided with a protective layer 2. The protective layer 2 is wrapped around the outer wall of the cover body 1. The cover body 1 is provided with abutting members 3. There are multiple abutting members 3, and the multiple abutting members 3 are arranged circumferentially around the inner wall of the cover body 1. The abutting members 3 are used to abut against the surface of the motor carried by the cover body 1. A sound insulation layer 4 is provided on the side of the abutting members 3 close to the motor.

[0022] The cover 1 is wrapped around the motor, the protective layer 2 is wrapped and connected to the outer wall of the cover 1, and the multiple abutment members 3 arranged around the inner wall of the cover 1 are abutted against the outer surface of the motor through the sound insulation layer 4, which can play a good supporting and fixing role and sound insulation and noise reduction role for the motor, and the fit is tight and reliable. The utility model adopts the left and right wrapping loading and plays a good supporting and fixing role for the motor, and uses the sound insulation layer to cut off the propagation path of the motor noise, so as to achieve the sound insulation and noise reduction effect, effectively reduce the motor noise, and is simple and convenient to use.

[0023] In this embodiment, the protective layer 2 is made of PET material, the cover body 1 is made of EVA material, the sound insulation layer 4 is made of PU material, and the inner wall of the protective layer 2 is provided with an adhesive layer 5, and the protective layer 2 is bonded to the cover body 1 through the adhesive layer 5. Specifically, the protective layer 2 is made of PET material, which has the excellent weather resistance and mechanical strength of PET, and has the anti-scratch function. Under the effect of the anti-scratch oil coating, the wear resistance is high, which can avoid scratch damage during transportation or use, and is highly practical. The protective layer 2 is bonded to the cover body 1 through the adhesive layer 5, and the adhesive layer 5 is set as a nano adhesive. The nano adhesive has high temperature resistance and good mechanical strength, which further improves the barrier performance of the protective layer 2, and is highly practical. The sound insulation layer 4 is made of PU material and can play a sound absorption role. The sound insulation layer 4 is bonded to the outer surface of the motor. The density of the PU material in the sound insulation layer 4 can be adjusted by using a special PU foaming molding process to form a structure of PU materials with different densities. Among them, the low-density PU material can play a sound absorption role, while the high-density PU material can play a sound insulation role. Since the PU material has a higher structural density, it can play a role in isolating medium and high frequency noise.

[0024] In this embodiment, a positioning block 21 is provided on one side of the protective layer 2, and the positioning block 21 is formed by protruding from the inner wall of the protective layer 2. A positioning groove 11 is provided on one side of the cover body 1, and the positioning groove 11 is formed by concavely setting from the outer wall of the cover body 1. The positioning block 21 is accommodated in the positioning groove 11. Specifically, when the protective layer 2 is bonded to the cover body 1 through the adhesive layer 5, the protective layer 2 is accommodated in the positioning groove 11 through the positioning block 21, thereby improving the structural positioning effect between the protective layer 2 and the cover body 1, so that the position between the two is not easily offset or skewed.

[0025] One end of the protective layer 2 of this embodiment, which is away from the positioning block 21, is provided with a first connecting groove 22. The first connecting groove 22 is recessed from the inner wall of the protective layer 2. One end of the cover body 1, which is away from the positioning groove 11, is provided with a first connecting block 12. The first connecting block 12 protrudes from the outer wall of the cover body 1. The first connecting block 12 protrudes into the first connecting groove 22. Specifically, when the first connecting block 12 protrudes into the first connecting groove 22, the connection stability between the same side of the protective layer 2 and the cover body 1 is effectively improved, and the connection is stable and reliable.

[0026] On the other side of the protective layer 2 of this embodiment, there is a second connecting groove 23. The second connecting groove 23 is recessed from the inner wall of the protective layer 2. On the other side of the cover body 1, there is a second connecting block 13. The second connecting block 13 protrudes from the outer wall of the cover body 1. The second connecting block 13 protrudes into the second connecting groove 23. Specifically, when the second connecting block 13 protrudes into the second connecting groove 23, the connection stability between the other same side of the protective layer 2 and the cover body 1 is effectively improved, so that both sides of the protective layer 2 are tightly connected and fixed to both sides of the cover body 1.

[0027] The cover body 1 of this embodiment is provided with positioning columns 14. There are multiple positioning columns 14, and the multiple positioning columns 14 are arranged circumferentially around the inner wall of the cover body 1. The multiple positioning columns 14 are all used to abut against the outer wall of the positioning motor. Specifically, as a preference, there are four positioning columns 14, and the four positioning columns 14 are arranged circumferentially around the inner wall of the cover body 1, so as to be able to abut against the outer wall of the positioning motor from multiple directions and better fix the position of the motor in the cover body 1.

[0028] The above content is only the preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. The content of this specification should not be construed as a limitation to the present invention.

Claims

1. An acoustic package structure for noise reduction and sound insulation, characterized in that: It includes a cover body for wrapping the motor, the cover body is provided with a protective layer, the protective layer is wrapped around the outer wall of the cover body, the cover body is provided with a resistance member, there are multiple resistance members, the multiple resistance members are circumferentially arranged around the inner wall of the cover body, the resistance member is used to resist the surface of the motor carried by the cover body, and a sound insulation layer is provided on the side of the resistance member close to the motor.

2. The noise reduction and sound insulation acoustic package structure according to claim 1, characterized in that: The protective layer is made of PET material, the cover body is made of EVA material, the sound insulation layer is made of PU material, the inner wall of the protective layer is provided with an adhesive layer, and the protective layer is bonded to the cover body through the adhesive layer.

3. The noise reduction and sound insulation acoustic package structure according to claim 1, characterized in that: A positioning block is provided on one side of the protective layer, and the positioning block is protruded from the inner wall of the protective layer. A positioning groove is provided on one side of the cover body, and the positioning groove is concavely formed from the outer wall of the cover body. The positioning block is accommodated in the positioning groove.

4. The noise reduction and sound insulation acoustic package structure according to claim 3 is characterized by: A first connecting groove is arranged at one end of the protective layer away from the positioning block, and the first connecting groove is recessed from the inner wall of the protective layer. A first connecting block is arranged at one end of the cover body away from the positioning groove, and the first connecting block is protruded from the outer wall of the cover body, and the first connecting block protrudes into the first connecting groove.

5. The noise reduction and sound insulation acoustic package structure according to claim 4, characterized in that: A second connecting groove is provided on the other side of the protective layer, and the second connecting groove is recessed from the inner wall of the protective layer. A second connecting block is provided on the other side of the cover body, and the second connecting block is protruded from the outer wall of the cover body, and the second connecting block protrudes into the second connecting groove.

6. The noise reduction and sound insulation acoustic package structure according to claim 1, characterized in that: The cover body is provided with a positioning column, and a plurality of the positioning columns are provided. The plurality of positioning columns are circumferentially arranged around the inner wall of the cover body, and the plurality of positioning columns are used to abut against the outer wall of the positioning motor.

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