Front wall sound insulation pad structure

Abstract

The utility model relates to the technical field of automobile firewalls, in particular to a front wall sound insulation pad structure which comprises a sound insulation pad body, a cab body and five fixing assemblies, the cab body is detachably connected with the sound insulation pad body, and each fixing assembly comprises a fixing disc, a fixing rod, four sawtooth blocks, a fixing piece and a locking piece. The fixing disc is detachably connected with the cockpit body, the fixing rod is fixedly connected with the fixing disc, the four sawtooth blocks are circumferentially distributed along the axial center line of the fixing rod, the sawtooth blocks are fixedly connected with the fixing rod and located on the outer side of the fixing rod, the fixing piece is detachably connected with the four sawtooth blocks and located on the outer sides of the sawtooth blocks, and the locking piece is in threaded connection with the fixing rod. And the fixing part is arranged on the outer side of the fixing part, so that the sound insulation pad can be quickly fixed and detached, displacement of the sound insulation pad in use is prevented, and the use and maintenance convenience of the sound insulation pad is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile firewalls, in particular to a front wall sound insulation pad structure. Background Art

[0002] In recent years, sound insulation pads inside firewalls made of ethylene-vinyl acetate copolymer (EVA) and polyurethane foam (PUR) have been widely used in various small cars and have continued to grow. However, as the problem of in-car environmental pollution caused by automotive interior parts and interior materials has become one of the four major quality problems of automobiles, the country has increasingly higher requirements for VOC environmental protection, and has successively issued VOC mandatory regulations. Sound insulation pads inside firewalls made of EVA and PUR are difficult to meet VOC requirements. At the same time, due to the relatively high density of heavy-coated EVA, the product is very heavy, which is not conducive to the trend of lightweighting. If EVA is made lighter, the sound insulation property does not meet the unexpected requirements, so its applicability and practicality are limited.

[0003] In order to solve the above problems, the prior art patent (CN209320868U) discloses a sound insulation pad structure in the front of a car, including a sound insulation pad body arranged between the engine compartment and the cockpit, a buckle positioning through hole is fixed in the middle of the sound insulation pad body, and the sound insulation pad body includes a non-woven fabric decorative surface, an outer impedance PE acoustic film layer, a middle impedance cotton felt layer, an intermediate impedance PE acoustic film layer, an outer impedance cotton felt layer and a non-woven fabric backing layer arranged in sequence, and the non-woven fabric decorative surface is arranged on the side close to the cockpit. The structure of the utility model is reasonably arranged, which not only has good sound insulation and fireproof performance, but also can effectively reduce the overall weight, and the whole does not use any adhesive preparation, which is conducive to reducing the overall VOC, stable and reliable in use, strong applicability and good practicality.

[0004] However, in the above-mentioned prior art, the sound insulation pad is fixed only by the positioning through hole of the middle clamping block, which easily causes the sound insulation pad to be displaced during use, thereby affecting the sound insulation effect. Utility Model Content

[0005] The purpose of the utility model is to provide a front enclosure sound insulation pad structure, which solves the technical problem in the prior art that the sound insulation pad is fixed only by positioning the through hole of the middle clamp block, which easily causes the sound insulation pad to be displaced during use and affects the sound insulation effect.

[0006] To achieve the above-mentioned purpose, the utility model adopts a front surround sound insulation pad structure, including a sound insulation pad body, a cockpit body and five groups of fixing components, the cockpit body is detachably connected to the sound insulation pad body and is located on the outside of the sound insulation pad body, each group of the fixing components includes a fixing plate, a fixing rod, four sawtooth blocks, a fixing piece and a locking piece, the fixing plate is detachably connected to the cockpit body and is located on the outside of the cockpit body, the fixing rod is fixedly connected to the fixing plate and is located on the outside of the fixing plate, the four sawtooth blocks are distributed circumferentially along the axial center line of the fixing rod, the sawtooth block is fixedly connected to the fixing rod and is located on the outside of the fixing rod, the fixing piece is detachably connected to the four sawtooth blocks and is located on the outside of the sawtooth blocks, and the locking piece is threadedly connected to the fixing rod and is located on the outside of the fixing piece.

[0007] Among them, the fixing part includes a connecting plate and four clamping blocks, the surface of the connecting plate has two rotating grooves, the connecting plate is detachably connected to the sound insulation pad body and is located inside the sound insulation pad body, and the four clamping blocks are fixedly connected to the connecting plate and are located on the outside of the four serrated blocks.

[0008] Wherein, the locking member includes a rotating seat and a rotating rod, the rotating seat is detachably connected to the sound insulation pad and is located on the outside of the connecting plate, the rotating rod is threadedly connected to the fixed rod and is located on the outside of the rotating seat, and the surface of the rotating rod has threads.

[0009] Wherein, the locking piece also includes a protruding block and two friction frames, the protruding block is fixedly connected to the rotating seat and is located on the outside of the rotating seat, the two friction frames are symmetrically arranged, the friction frames are fixedly connected to the protruding block and are located on the outside of the protruding block.

[0010] Among them, the sound insulation pad body has a fixing groove, the cockpit body has a groove adapted to the fixing plate, the connecting plate has a through groove adapted to the rotating rod, and the clamping block has a clamping groove adapted to the sawtooth block.

[0011] Among them, the front surround sound insulation pad structure also includes a plurality of through grooves of different shapes, and the plurality of through grooves are arranged on the sound insulation pad body.

[0012] The utility model provides a front enclosure sound insulation pad structure, when it is used, the fixing plate is fixed to the side of the cockpit body, the sound insulation pad body is fitted with the cockpit body, the fixing piece is inserted into the sound insulation pad body, the fixing piece is rotated so that the fixing piece is engaged with the serrated block, the sound insulation pad body is fixed to the outside of the cockpit body, the locking piece is threadedly connected to the fixing rod, and the fixing piece is locked, so that the method can effectively solve the problem that the sound insulation pad is easily displaced during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0015] Figure 2 It is a partial structural sectional view of the first embodiment of the utility model.

[0016] Figure 3 It is a partial structural exploded view of the first embodiment of the utility model.

[0017] Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0018] 101-sound insulation pad body, 102-cockpit body, 103-fixed plate, 104-fixed rod, 105-serrated block, 106-connecting plate, 107-clamping block, 108-rotating seat, 109-rotating rod, 110-raised block, 111-friction frame, 112-rotating groove, 113-fixed groove, 114-groove, 115-through groove, 116-clamping groove, 201-through groove. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] The first embodiment of the present application is:

[0021] See also Figure 1 to Figure 3 ,in Figure 1 It is a structural schematic diagram of the first embodiment of the utility model. Figure 2This is a partial structural cross-sectional view of the first embodiment of the utility model. Figure 3 It is a partial structural exploded view of the first embodiment of the utility model.

[0022] The utility model provides a front enclosure sound insulation pad structure, including a sound insulation pad body 101, a cockpit body 102 and five groups of fixing components, each group of the fixing components includes a fixing plate 103, a fixing rod 104, four serrated blocks 105, a fixing piece and a locking piece, the fixing piece includes a connecting plate 106 and four clamping blocks 107, the locking piece includes a rotating seat 108, a rotating rod 109, a protruding block 110 and two friction frames 111. The above scheme solves the problem that the sound insulation pad is only fixed by the positioning through hole of the middle clamping block, which is easy to cause the sound insulation pad to be displaced during use and affect the sound insulation effect.

[0023] According to the present specific embodiment, the cockpit body 102 is detachably connected to the sound insulation pad body 101 and is located on the outside of the sound insulation pad body 101. Each group of the fixing components includes a fixing plate 103, a fixing rod 104, four sawtooth blocks 105, a fixing piece and a locking piece. The fixing plate 103 is detachably connected to the cockpit body 102 and is located on the outside of the cockpit body 102. The fixing rod 104 is fixedly connected to the fixing plate 103 and is located on the outside of the fixing plate 103. The four sawtooth blocks 105 are distributed circumferentially along the axial center line of the fixing rod 104. The sawtooth block 105 is fixedly connected to the fixing rod 104 and is located on the outside of the fixing rod 104. The fixing piece is detachably connected to the four sawtooth blocks 105 and is located on the outside of the sawtooth block 105. The locking piece is threadedly connected to the fixing rod 104 and is located on the fixing piece. On the outside, the fixing plate 103 is fixed to the side of the cockpit body 102. Since the sound insulation pad body 101 is made according to the vehicle model, there is no shape restriction and the shape can be adjusted according to different cockpits. The sound insulation pad body 101 is fitted with the cockpit body 102, and the fixing piece is inserted into the sound insulation pad body 101 through the outside of the fixing rod 104. The fixing piece is rotated so that the fixing piece is engaged with the serrated block 105 to fix the sound insulation pad body 101 to the outside of the cockpit body 102. The locking piece is threadedly connected to the fixing rod 104 and the fixing piece is locked. The five groups of fixing components are respectively fixed to the four corners and the middle position of the sound insulation pad body 101, so as to cooperate with each other to complete the fixation of the sound insulation pad body 101 and the cockpit body 102, which can effectively solve the problem of easy displacement of the sound insulation pad during use.

[0024] Among them, the surface of the connecting disk 106 has two rotating grooves 112, the connecting disk 106 is detachably connected to the sound insulation pad body 101 and is located inside the sound insulation pad body 101, the four clamping blocks 107 are fixedly connected to the connecting disk 106 and are located on the outside of the four serrated blocks 105, the connecting disk 106 pushes the four clamping blocks 107 into the sound insulation pad body 101, the clamping blocks 107 slide and fit the fixing rod 104, and after sliding into place, the connecting disk 106 is rotated through the rotating groove 112, and the clamping blocks 107 are clamped with the serrated blocks 105, thereby fixing the sound insulation pad body 101 and the cockpit body 102, and facilitating installation and disassembly through the detachable connection.

[0025] Secondly, the rotating seat 108 is detachably connected to the sound insulation pad and is located on the outside of the connecting plate 106. The rotating rod 109 is threadedly connected to the fixed rod 104 and is located on the outside of the rotating seat 108. The surface of the rotating rod 109 has threads. The rotating seat 108 is rotated to thread the rotating rod 109 to the fixed rod 104, so as to fix the connecting plate 106 and prevent the connecting plate 106 from sliding.

[0026] At the same time, the raised block 110 is fixedly connected to the rotating seat 108 and is located on the outside of the rotating seat 108. The two friction frames 111 are symmetrically arranged. The friction frame 111 is fixedly connected to the raised block 110 and is located on the outside of the raised block 110. The raised block 110 is convenient for manual operation by the operator. The raised block 110 is rotated by the friction frame 111 to rotate the rotating seat 108, which facilitates manual installation and disassembly of the device and improves the convenience of using the device.

[0027] In addition, the sound insulation pad body 101 has a fixing groove 113, the cockpit body 102 has a groove 114 adapted to the fixing plate 103, the connecting plate 106 has a through groove 115 adapted to the rotating rod 109, and the clamping block 107 has a clamping groove 116 adapted to the sawtooth block 105. The fixing assembly connects the sound insulation pad body 101 to the cockpit body 102 through the fixing groove 113, the fixing plate 103 is installed in the groove 114, the rotating rod 109 is threadedly connected to the fixing rod 104 through the through groove 115, and the clamping block 107 is clamped to the sawtooth block 105 through the clamping groove 116.

[0028] A front wall sound insulation pad structure of the present embodiment is used, by setting a cockpit body 102 and five groups of fixing components. When it is used, the sound insulation pad body 101 is fitted with the cockpit body 102, the fixing plate 103 is installed in the groove 114 of the cockpit body 102, the connecting plate 106 pushes the four clamping blocks 107 into the sound insulation pad body 101, and the clamping blocks 107 are slidably fitted with the fixing rod 104. After sliding and fitting into place, the connecting plate 106 is rotated through the rotating groove 112, and the clamping blocks 107 are slidably fitted with the fixing rod 104. The connecting block 107 is engaged with the serrated block 105 via the engaging groove 116, and the sound insulation pad body 101 is fixed to the outside of the cockpit body 102. The protruding block 110 is rotated via the friction frame 111, and the rotating seat 108 drives the rotating rod 109 to rotate. The rotating rod 109 is threadedly connected to the fixing rod 104 via the through groove 115, and the connecting plate 106 is completely fixed, so that the sound insulation pad can be quickly fixed and disassembled, and the sound insulation pad can be prevented from being displaced during use, thereby improving the convenience of using and maintaining the sound insulation pad.

[0029] The second embodiment of the present application is:

[0030] Based on the first embodiment, please refer to Figure 4 , Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0031] The utility model provides a front enclosure sound insulation pad structure which also includes a through groove 201 .

[0032] According to this specific embodiment, the front surround sound insulation pad structure also includes a plurality of through grooves 201 of different shapes, and the plurality of through grooves 201 are arranged on the sound insulation pad body 101. The through grooves 201 are used for different cables or different components on the cockpit body 102 side to pass through the sound insulation pad body 101.

[0033] A front enclosure sound insulation pad structure of the present embodiment is used, by providing a through groove 201. When it is used specifically, the through groove 201 is used for different cables or different components on the cockpit body 102 side to pass through the sound insulation pad body 101, so as to facilitate use during the installation process.

[0034] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A front wall sound insulation pad structure, comprising a sound insulation pad body, characterized in that: It also includes a cockpit body and five groups of fixing components, the cockpit body is detachably connected to the sound insulation pad body and is located on the outside of the sound insulation pad body, each group of the fixing components includes a fixing plate, a fixing rod, four sawtooth blocks, a fixing piece and a locking piece, the fixing plate is detachably connected to the cockpit body and is located on the outside of the cockpit body, the fixing rod is fixedly connected to the fixing plate and is located on the outside of the fixing plate, the four sawtooth blocks are distributed circumferentially along the axial center line of the fixing rod, the sawtooth block is fixedly connected to the fixing rod and is located on the outside of the fixing rod, the fixing piece is detachably connected to the four sawtooth blocks and is located on the outside of the sawtooth block, and the locking piece is threadedly connected to the fixing rod and is located on the outside of the fixing piece.

2. The front wall sound insulation pad structure according to claim 1, characterized in that: The fixing part includes a connecting plate and four clamping blocks. The surface of the connecting plate has two rotating grooves. The connecting plate is detachably connected to the sound insulation pad body and is located inside the sound insulation pad body. The four clamping blocks are fixedly connected to the connecting plate and are located on the outside of the four serrated blocks.

3. The front wall sound insulation pad structure according to claim 2, characterized in that: The locking member includes a rotating seat and a rotating rod. The rotating seat is detachably connected to the sound insulation pad and is located on the outside of the connecting plate. The rotating rod is threadedly connected to the fixed rod and is located on the outside of the rotating seat, and the surface of the rotating rod has threads.

4. The front wall sound insulation pad structure according to claim 3, characterized in that: The locking member also includes a protruding block and two friction frames. The protruding block is fixedly connected to the rotating seat and is located on the outside of the rotating seat. The two friction frames are symmetrically arranged. The friction frames are fixedly connected to the protruding block and are located on the outside of the protruding block.

5. The front wall sound insulation pad structure according to claim 4, characterized in that: The sound insulation pad body has a fixing groove, the cockpit body has a groove adapted to the fixing plate, the connecting plate has a through groove adapted to the rotating rod, and the clamping block has a clamping groove adapted to the sawtooth block.

6. The front wall sound insulation pad structure according to claim 5, characterized in that: The front enclosure sound insulation pad structure also includes a plurality of through grooves of different shapes, and the plurality of through grooves are arranged on the sound insulation pad body.

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