CN219061850U

CN219061850U - SMC mould pressing engine acoustic celotex board

Info

Publication number: CN219061850U
Application number: CN202223448890.1U
Authority: CN
Inventors: 杨辉辉; 范成媛; 夏益锋; 刘博�
Original assignee: Taizhou Huangyan Zhonggui New Material Technology Co ltd; Taizhou Huangyan District Wuhan Institute Of High Performance Composite Technology
Current assignee: Taizhou Huangyan Zhonggui New Material Technology Co ltd; Taizhou Huangyan District Wuhan Institute Of High Performance Composite Technology
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-23
Anticipated expiration: 2032-12-22

Abstract

The utility model relates to the technical field of sound insulation plates, and discloses an SMC molded engine sound insulation plate which comprises an engine cover, wherein a fixing mechanism is movably attached to the upper surface of the engine cover, a sound insulation plate body is fixedly connected to the outer wall of the fixing mechanism, a connecting leg is fixedly connected to the outer wall of the engine cover, a protection mechanism is fixedly connected to the upper surface of the engine cover, the sound insulation plate body is arranged, when the engine cover is used, a waterproof layer can be used for better insulating sound, the waterproof layer can prevent the water from absorbing the water and weighting the weight to enable the water to fall off, a fire-proof layer can prevent the damage of the engine cabin caused by high temperature, accidents can be prevented from being caused by the high temperature, the vacuum layer can absorb noise generated by an engine, most of noise can be prevented, a reinforcing layer can be more firm and durable, the protection mechanism can play a buffering role when the engine cover is closed, and damage to the engine cover and the plate body can be prevented from being damaged due to overlarge sound insulation.

Description

SMC mould pressing engine acoustic celotex board

Technical Field

The utility model relates to the technical field of sound insulation plates, in particular to an SMC molded engine sound insulation plate.

Background

The sound-insulating board is a kind of board with sound-insulating effect, and has the functions of building sound insulation and building sound insulation classification.

The application range of the SMC is wide: suspension parts, front and rear bumpers, dashboards, etc. are used in the automotive industry; vehicle bodies and body parts, hard shell roofs, anti-skid floors, spoilers, sunshades, engine hoods; the engine comprises an engine cover lower part, a wind scooper, an air inlet pipe cover, a fan guide ring and an engine sound insulation plate; interior trim component: door handle, instrument panel, steering column part. Application seats and tea table tops in railway vehicles; railway vehicle window frames, carriage wall plates, top plates and railway signal transponders. Application appliance housing in electrical and communication engineering: the device comprises an electric switch box, an electric distribution box, a cable distribution box shell and a terminal distributor; electronic engineering application: an antenna reflection cover, a radome and a printed circuit board; electrical components: insulator, insulating operation tool and motor commutator; communication device application: telephone set shell, cable distribution box and telephone booth.

In the chinese utility model patent: the utility model relates to an engine sound insulation board for heavy truck, comprising a left sound insulation board and a right sound insulation board which are fixed on two longitudinal beams of a frame and are respectively positioned at the left side and the right side of the engine, wherein the left sound insulation board and the right sound insulation board are respectively composed of a glass fiber reinforced plastic board I and a glass fiber reinforced plastic board II, and sound insulation cotton I and sound insulation cotton II are respectively fixedly covered on two sides of the glass fiber reinforced plastic board I and the glass fiber reinforced plastic board II. The noise generated when the automobile engine arranged between the left sound insulation plate and the right sound insulation plate operates can be absorbed by the sound insulation cotton I and the sound insulation cotton II on the left sound insulation plate and the right sound insulation plate at two sides, so that the problem that an existing heavy-duty automobile is free of the engine sound insulation and noise reduction device is solved, the noise outside the automobile is reduced, and the automobile meets the requirements of relevant regulations at home and abroad.

Cn201610080469.X provides an engine acoustic panel comprising an outer shell layer (2) and a foam rubber layer (3); the foam rubber layer (3) is fastened on the inner side of the outer shell layer (2), and damping pits are formed in the two-layer surface corresponding to the meshing position of the engine gear from inside to outside. The engine sound insulation board has the advantages of good sound insulation effect, difficult resonance generation caused by engine vibration and obvious noise reduction effect.

CN201420046942.9 relates to a heavy truck engine acoustic panel, including being fixed in on two longerons of frame and being located left acoustic panel and right acoustic panel of engine left and right sides respectively, left acoustic panel and right acoustic panel comprise glass steel board I, glass steel board II respectively, glass steel board I and glass steel board II's both sides cover respectively and are fixed with soundproof cotton I and soundproof cotton II. The noise generated when the automobile engine arranged between the left sound insulation plate and the right sound insulation plate operates can be absorbed by the sound insulation cotton I and the sound insulation cotton II on the left sound insulation plate and the right sound insulation plate at two sides, so that the problem that an existing heavy-duty automobile is free of the engine sound insulation and noise reduction device is solved, the noise outside the automobile is reduced, and the automobile meets the requirements of relevant regulations at home and abroad.

The following problems exist in the prior art:

1. the engine sound insulation board for the heavy truck is inconvenient to insulate, and the sound insulation board is used for insulating sound by using common sound insulation cotton, so that the sound insulation effect is general and is not durable.

2. The engine sound insulation board for the heavy truck is inconvenient to install, and the sound insulation board is fixed by being installed by a fixing frame and is easy to fall off in daily use.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the SMC molded engine sound insulation board which has the advantages of convenient sound insulation, installation and the like, and solves the problems in the background art.

(II) technical scheme

In order to achieve the aim of facilitating sound insulation and installation, the utility model provides the following technical scheme: the utility model provides a SMC mould pressing engine acoustic celotex board, includes the bonnet, the above activity laminating of bonnet is connected with fixed establishment, fixed establishment's outer wall fixedly connected with acoustic celotex board body, the outer wall fixedly connected with connecting leg of bonnet.

The engine cover is fixedly connected with protection mechanism above, fixedly connected with hasp above the engine cover, fixedly connected with protection strip above the engine cover, the sound insulation that can be better through the sound insulation board body that sets up, the erosion that the waterproof layer can water when using, avoid water absorption aggravate weight and make it drop, the flame retardant coating can prevent the high temperature in the engine compartment to its destruction, can prevent high temperature initiation accident, the vacuum layer can absorb the noise that the engine produced, can block most noise, the enhancement layer can let its more durable, and protection mechanism can let the engine cover play a cushioning effect when closing, can prevent to exert oneself too big cause the injury to engine cover and sound insulation board body.

Preferably, the upper surface of the engine cover is movably attached and connected with a fixing plate, and the outer wall of the fixing plate is movably attached and connected with a screw head to fix.

Preferably, the outer wall fixedly connected with screw of screw head, the outer wall threaded connection of screw has the inflation cover, and the inflation cover can carry out spacingly to the screw.

Preferably, the sound insulation board body is including the waterproof layer, the inner wall fixedly connected with flame retardant coating of waterproof layer can waterproof fire prevention.

Preferably, the inner wall fixedly connected with first foundation layer of flame retardant coating, the inner wall fixedly connected with vacuum layer of first foundation layer can give sound insulation.

Preferably, the inner wall fixedly connected with enhancement layer of vacuum layer, the inner wall fixedly connected with second foundation layer of enhancement layer can be more firm.

Preferably, the upper surface of the engine cover is fixedly connected with a fixed block, and the engine cover and the fixed block are in welded connection and can be supported.

Preferably, one end fixedly connected with ejector pin of fixed block, the outer wall activity cup joint of ejector pin is connected with the lag, can cushion.

Advantageous effects

Compared with the prior art, the utility model provides the SMC molded engine sound insulation board, which has the following beneficial effects:

1. this SMC mould pressing engine acoustic celotex board, acoustic celotex board body through setting up can be better, the erosion that waterproof layer can water when using, avoid water absorption aggravate weight and make it drop, the flame retardant coating can prevent the high temperature in the engine compartment to its destruction, can prevent high temperature initiation accident, the noise that the vacuum layer can produce the engine is absorbed, can block most noise, the enhancement layer can let it be more durable, and protection machanism can let the bonnet play a cushioning effect when closing, can prevent to exert an excessive effort to the bonnet with the acoustic celotex board body cause the injury.

2. This SMC mould pressing engine acoustic celotex board can conveniently install fixedly to the acoustic celotex board body through the fixed establishment who sets up, installs the acoustic celotex board body on the bonnet when using, then put into the bonnet with the expansion cover in, then rotate the expansion cover with screw head and screw, then the expansion cover can shrink and fix screw head and screw, and the fixed just be difficult to drop that this mode can be better.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic view of a fixing mechanism according to the present utility model;

FIG. 3 is a schematic view of the structure of the acoustic panel body of the present utility model;

fig. 4 is a schematic structural view of a protection mechanism of the present utility model.

In the figure: 1. an engine cover; 2. a connecting leg; 3. a fixing mechanism; 4. a soundproof plate body; 5. a protective mechanism; 6. locking; 7. a guard bar; 301. a fixing plate; 302. a screw head; 303. a screw; 304. an expansion sleeve; 401. a waterproof layer; 402. a fire-blocking layer; 403. a first base layer; 404. a vacuum layer; 405. a reinforcing layer; 406. a second base layer; 501. a fixed block; 502. a push rod; 503. and (5) a protective sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The preferred embodiments of the SMC molded engine acoustic panel provided by the present utility model are shown in FIGS. 1 to 4: the utility model provides a SMC mould pressing engine acoustic celotex board, includes bonnet 1, and the above activity laminating of bonnet 1 is connected with fixed establishment 3, and fixed establishment 3's outer wall fixedly connected with acoustic celotex board body 4, bonnet 1's outer wall fixedly connected with connecting leg 2.

The upper fixedly connected with protection machanism 5 of bonnet 1, the higher fixedly connected with hasp 6 of bonnet 1, the higher fixedly connected with protection strip 7 of bonnet 1, can be better through the acoustic celotex board body 4 of setting, the erosion that waterproof layer 401 can water when using, avoid water absorption aggravate weight and make it drop, the flame retardant coating 402 can prevent the damage of high temperature in the engine compartment to it, can prevent high temperature initiation accident, vacuum layer 404 can absorb the noise that the engine produced, can block most noise, enhancement layer 405 can let it be more durable, and protection machanism 5 can let bonnet 1 play a cushioning effect when closing, can prevent to exert oneself too big cause the injury to bonnet 1 and acoustic celotex board body 4.

In this embodiment, a fixing plate 301 is movably attached to the upper surface of the engine cover 1, and a screw head 302 is movably attached to the outer wall of the fixing plate 301 to fix the engine cover.

Example 2

On the basis of embodiment 1, a preferred embodiment of an acoustic panel for an SMC molded engine according to the present utility model is shown in fig. 1 to 4: the outer wall fixedly connected with screw 303 of screw head 302, the outer wall threaded connection of screw 303 has expansion sleeve 304, and expansion sleeve 304 can carry out the spacing to screw 303.

In this embodiment, the sound insulation board body 4 includes a waterproof layer 401, and an inner wall of the waterproof layer 401 is fixedly connected with a fireproof layer 402, so that the sound insulation board can be waterproof and fireproof.

Further, the inner wall of the fireproof layer 402 is fixedly connected with the first base layer 403, and the inner wall of the first base layer 403 is fixedly connected with the vacuum layer 404, so that sound insulation can be realized.

Furthermore, the inner wall of the vacuum layer 404 is fixedly connected with the reinforcing layer 405, and the inner wall of the reinforcing layer 405 is fixedly connected with the second base layer 406, which is stronger.

In addition, the fixed block 501 is fixedly connected to the upper surface of the engine cover 1, the engine cover 1 and the fixed block 501 are in welded connection, so that the engine cover can be supported, one end of the fixed block 501 is fixedly connected with the ejector rod 502, and the outer wall of the ejector rod 502 is movably sleeved with the protective sleeve 503, so that buffering can be performed.

When the SMC compression molding engine sound insulation board is used, the engine cover 1 is installed on an automobile through the connecting legs 2, then the sound insulation board body 4 is installed on the engine cover 1, then the expansion sleeve 304 is placed into the engine cover 1, then the screw head 302 and the screw 303 are used for rotating the expansion sleeve 304, then the expansion sleeve 304 can shrink to fix the screw head 302 and the screw 303, then the sound insulation board body 4 can be used for sound insulation, fire prevention and water prevention, then the engine cover 1 is closed, the protection sleeve 503 can be contacted with the automobile to buffer the engine cover 1 and the sound insulation board body 4, and the SMC compression molding engine sound insulation board is the working principle of the SMC compression molding engine sound insulation board.

To sum up, this SMC mould pressing engine acoustic celotex board, can better sound insulation, the erosion that waterproof layer 401 can water when using, avoid absorbing water aggravate weight and make it drop, flame retardant coating 402 can prevent the high temperature in the engine compartment to its destruction, can prevent high temperature and cause the accident, vacuum layer 404 can absorb the noise that the engine produced, can block most noise, enhancement layer 405 can let it be more durable, and protection machanism 5 can let bonnet 1 play a cushioning effect when closing, can prevent to exert an excessive force and cause the injury to bonnet 1 and acoustic celotex board body 4, can conveniently install and fix acoustic celotex board body 4 when using, install the acoustic celotex board body 4 on bonnet 1, then put into bonnet 1 with expansion sleeve 304, then use screw head 302 and screw 303 to rotate to expansion sleeve 304, then expansion sleeve 304 can shrink and fix screw head 302 and screw 303, this mode can be better fixed and be difficult to drop.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An SMC mould pressing engine acoustic panel, includes bonnet (1), its characterized in that: the upper surface of the engine cover (1) is movably attached and connected with a fixing mechanism (3), the outer wall of the fixing mechanism (3) is fixedly connected with a sound insulation plate body (4), and the outer wall of the engine cover (1) is fixedly connected with connecting legs (2);

the engine cover is characterized in that a protection mechanism (5) is fixedly connected to the upper surface of the engine cover (1), a lock catch (6) is fixedly connected to the upper surface of the engine cover (1), and a protection bar (7) is fixedly connected to the upper surface of the engine cover (1).

2. An SMC molded engine acoustic panel as in claim 1 wherein: the upper surface of the engine cover (1) is movably attached and connected with a fixing plate (301), and the outer wall of the fixing plate (301) is movably attached and connected with a screw head (302).

3. An SMC molded engine acoustic panel as in claim 2 wherein: the outer wall of screw head (302) fixedly connected with screw (303), the outer wall screw thread connection of screw (303) has expansion sleeve (304).

4. An SMC molded engine acoustic panel as in claim 1 wherein: the sound insulation board body (4) comprises a waterproof layer (401), and a fireproof layer (402) is fixedly connected to the inner wall of the waterproof layer (401).

5. An SMC molded engine acoustic panel as in claim 4 wherein: the inner wall of flame retardant coating (402) fixedly connected with first foundation layer (403), the inner wall of first foundation layer (403) fixedly connected with vacuum layer (404).

6. An SMC molded engine acoustic panel as in claim 5 wherein: the inner wall of vacuum layer (404) fixedly connected with enhancement layer (405), the inner wall of enhancement layer (405) fixedly connected with second foundation layer (406).

7. An SMC molded engine acoustic panel as in claim 1 wherein: the engine cover (1) is fixedly connected with a fixed block (501), and the engine cover (1) is welded with the fixed block (501).

8. An SMC molded engine acoustic panel as in claim 7 wherein: one end of the fixed block (501) is fixedly connected with a push rod (502), and the outer wall of the push rod (502) is movably sleeved with a protective sleeve (503).