CN216959219U - Baffle threading structure covered with cushion layer and vehicle - Google Patents

Abstract

The utility model provides a partition board threading structure covered with a liner layer and a vehicle, wherein the partition board threading structure covered with the liner layer comprises a partition board and the liner layer covered on the partition board, wherein the partition board is provided with threading holes corresponding to the threading holes, and the liner layer is provided with threading holes; and the backing layer is provided with a slit which extends into the wire passing hole from the edge of the backing layer. According to the partition board threading structure covered with the backing layer, the slit extending from the edge of the backing layer to the threading hole is formed, and when the wiring harness via hole rubber sleeve is installed, the wiring harness via hole rubber sleeve can be conveniently arranged in the threading hole in a mode that the backing layer is lifted from the slit and is fixed in the threading hole; therefore, a plurality of gaps can be prevented from being processed around the wire passing hole, the size of the opening of the wire passing hole can be effectively reduced, and the whole sound insulation performance of the partition plate and the liner layer thereof can be improved.

Description

Baffle threading structure covered with liner layer and vehicle

Technical Field

The utility model relates to the technical field of vehicle parts, in particular to a partition board threading structure covered with a liner layer. In addition, the utility model also relates to a vehicle.

Background

The requirement of consumers on the driving comfort of automobiles is increasing, wherein the noise of automobiles is the problem to be solved primarily. The human ear is very sensitive to high-frequency noise, particularly sound within the frequency range of 2.5-4.0kHz, and the front wall system of the vehicle body is used as a main path for transmitting the noise of the power assembly in the cabin to the cockpit, so that the transmission of a sound source to the interior of the vehicle can be effectively blocked, and the quality of the sound in the vehicle is improved.

The front wall assembly comprises a front wall sheet metal and a front wall heat insulation pad assembled on the front wall sheet metal, and the front wall sheet metal assembly is one of main structural members of a vehicle body and is a carrier of an air conditioner fan heater assembly, a wire harness, a clutch/brake/accelerator pedal and the like; meanwhile, the front wall heat insulation pad and the wire harness through hole rubber sleeve play a sound insulation role, and the sound insulation quality of the front wall assembly directly determines the transmission state of the noise of the front cabin power assembly to the interior of the vehicle, so that the noise level in the vehicle is influenced.

Among the prior art, in order to make the pencil pass preceding bounding wall smoothly and enclose the heat insulating mattress before, both all need to correspond the position trompil, supply the pencil to pass. Enclose the regional trompil of heat insulating mattress in the front before enclosing the installed part, need the trompil size slightly bigger, or enclose heat insulating mattress trompil region processing rice style of calligraphy opening before the pencil wears through to in smooth cartridge cover establish the pencil via hole gum cover on the pencil. No matter it is big, or process rice style of calligraphy hole to open a worker's size, all can increase the trompil area, along with the increase of hole area, the leakage degree of noise can aggravate along with it, and the leakage of noise and the automobile body before enclose the noise insulation performance be the anti-correlation relation. In other similar scenarios, some partitions may be covered with a liner layer for thermal or acoustic insulation, and the need for threading the partition may also present similar problems.

In order to reduce the leakage degree of noise, in the existing front wall structure of a vehicle body, a double-seal structure is adopted at the positions of an air inlet of an air conditioner and a warm air water pipe; a design gap between the clutch/brake/accelerator pedal area and the opening of the front wall heat insulation pad is only about 5 mm; meanwhile, the coverage rate of the front wall heat insulation pad on the front wall metal plate can be improved as much as possible.

However, for the wire harness passing through the front wall, in order to facilitate the installation of the wire harness and the wire harness through hole rubber sleeve, a cross-shaped hole still needs to be formed in the wire harness area of the front wall heat insulation pad, so that sound leakage is generated, and sound insulation is insufficient; and the adhesive property with the rubber sleeve is poor, the corner is easy to warp, and the coverage rate is low. Meanwhile, when the wiring harness passes through the front-surrounding wiring harness hole from the cabin to the cabin, the installation is inconvenient. Moreover, the surface density of the wire harness via hole rubber sleeve is low, so that the sound insulation amount of the threading part of the front wall heat insulation pad is lower than that of other parts on the front wall plate, a weak area is formed, and the sound insulation is insufficient.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a partition threading structure covered with a backing layer, so as to improve the overall sound insulation performance of the partition and the backing layer thereof.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a partition threading structure covered with a liner layer comprises a partition and the liner layer covered on the partition; the partition board is provided with a threading hole corresponding to the threading hole, and the lining layer is provided with a threading hole; and a slot is arranged on the backing layer, and the slot extends from the edge of the backing layer to the wire passing hole.

Further, the slit extends into the via hole from an edge of the pad layer nearest to the via hole.

Furthermore, the area of the line passing hole on the liner layer is provided with a concave cavity, the concave cavity is formed by the liner layer sinking towards one side of the partition plate, and the line passing hole is located at the bottom of the concave cavity.

Furthermore, the diameter of the threading hole is larger than that of the threading hole.

Further, the partition board threading structure covered with the liner layer further comprises a wire harness through hole rubber sleeve; the wiring harness passes through the threading hole and the threading hole together through the hole passing rubber sleeve.

Furthermore, the middle part of the wire harness via hole rubber sleeve is provided with a boss protruding radially outwards, and the wire harness via hole rubber sleeve is clamped in the threading hole through the boss.

Furthermore, a groove is formed in the boss, and the edge of the threading hole is embedded in the groove in a clamping mode.

Furthermore, a gap is reserved between the inner wall of the wire passing hole and the outer wall of the wire harness passing hole rubber sleeve, and the width D of the gap is 2-7 mm.

Further, the cushion layer towards one side shaping of baffle has the arch, the arch encircles the wire hole sets up, just the arch with the baffle with pencil via hole gum cover butt respectively.

Compared with the prior art, the utility model has the following advantages:

according to the partition board threading structure covered with the backing layer, the slit extending from the edge of the backing layer to the threading hole is formed, and when the wiring harness via hole rubber sleeve is installed, the wiring harness via hole rubber sleeve can be conveniently arranged in the threading hole in a mode that the backing layer is lifted from the slit and is fixed in the threading hole; therefore, a plurality of gaps can be prevented from being processed around the wire passing hole, the size of the opening of the wire passing hole can be effectively reduced, and the whole sound insulation performance of the partition plate and the liner layer thereof can be improved.

Meanwhile, the opening position of the seam is arranged at the edge part of the backing layer closest to the wire passing hole, so that the length of the seam can be reduced to the maximum extent, the seam opening area of the backing layer can be lifted conveniently, the wire harness through hole rubber sleeve can be clamped, and the influence of the seam on the overall performance of the backing layer can be effectively reduced.

In addition, set up the pencil via hole gum cover of wearing to establish simultaneously in threading hole and the line hole in the baffle threading structure that covers the bedding, pencil via hole gum cover can form good shutoff between pencil and threading hole and pencil and line hole to effectively improve the sound insulation performance at threading position, and can form reliable fixed and protection to the pencil.

And, set up the arch through the inboard at the bedding to can fill the space between bedding, baffle and the pencil via hole gum cover, increase the thickness of pencil via hole gum cover position department bedding, thereby strengthen the sound insulation performance at pencil via hole gum cover position.

Another object of the utility model is to propose a vehicle in which the bulkhead threading structure covered with the padding layer according to the utility model is arranged. The vehicle of the present invention has the technical advantages of the above described bulkhead threading structure covered with the pad layer, compared to the prior art.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model, illustrate embodiments of the utility model and together with the description serve to explain the utility model, and the description is given by way of example only and without limitation to the terms of relative positions. In the drawings:

fig. 1 is a schematic overall structure diagram of a threading structure of a partition covered with a cushion layer according to an embodiment of the utility model;

FIG. 2 is a partially enlarged view of the portion A shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line B-B in FIG. 2;

description of reference numerals:

1. a partition plate; 100. a threading hole;

2. wiring harness via hole rubber sleeves; 20. a boss; 200. a cavity; 201. a groove; 21. flanging;

3. a cushion layer; 30. a protrusion; 31. a concave cavity; 310. a wire passing hole; 311. an inner wall; 32. slotting;

D. the width of a gap between the inner wall of the wire passing hole and the outer wall of the wire harness passing hole rubber sleeve;

4. a wire harness.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "back", etc. are used based on the orientation or positional relationship shown in the drawings, they are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in conjunction with specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example one

The utility model relates to a threading structure of a clapboard covered with a backing layer, which is beneficial to improving the integral sound insulation performance of the clapboard and the backing layer thereof; one exemplary configuration of which is shown in fig. 1 and 2.

In general, the spacer threading structure covered with the cushion layer includes a spacer 1 and a cushion layer 3 covered on the spacer 1. Wherein, the clapboard 1 is provided with a threading hole 100; corresponding to the threading hole 100, a threading hole 310 is provided in the cushion layer 3. Meanwhile, a slit 32 is provided in the backing layer 3, and the slit 32 extends from the edge of the backing layer 3 into the via hole 310.

Based on the above design concept, as shown in fig. 1 and fig. 2 in combination with fig. 3, the spacer threading structure covered with the cushion layer of the present embodiment mainly includes several parts, i.e., a spacer 1, a wire harness via grommet 2, and a cushion layer 3.

Obviously, the partition threading structure covered with the liner layer is suitable for various opening threading scenes of the partition 1 covered with the liner layer 3 with heat insulation and sound insulation requirements. For easy understanding, the present embodiment takes a front body panel as an example; at the moment, a front wall plate of the front wall of the vehicle body is the partition plate 1, and a front wall heat insulation pad covered on the front wall plate is the cushion layer 3; the wire harness for communicating the cabin and the driving cabin needs to sequentially pass through the threading hole 100 on the front wall and the threading hole 310 on the front wall heat insulation pad.

In order to improve the sound insulation performance of the front wall of the vehicle body to the noise in the engine room; the opening area of the portion of the wire passage hole 310 in the backing layer 3 must be reduced, and in order to allow the wire harness 4 and the wire harness passage rubber cover 2 to smoothly pass through the wire passage hole 310, and in consideration of the fact that the wire harness passage rubber cover 2 needs to be installed in the threading hole 100, the portion of the wire harness passage rubber cover 2 having the largest radial dimension must pass through the wire passage hole 310.

It is based on the above requirement that the present invention provides the cushion layer 3 with the slits 32, and the slits 32 extend from the edge of the cushion layer 3 to the through holes 310. When the wiring harness via hole rubber sleeve 2 and the wiring harness 4 need to be installed, the arrangement of the seam 32 can be utilized, part of the liner layer 3 above or below the seam 32 is lifted, enough space is provided for the installation of the wiring harness via hole rubber sleeve 2 on the threading hole 100, so that the installation of the wiring harness via hole rubber sleeve 2 and the penetrating installation of the wiring harness 4 can be smoothly completed while the opening size of the threading hole 310 is reduced, and the purpose of improving the noise insulation performance of the front wall of the vehicle body in the engine room is achieved.

Of course, the position of the slit 32 can be flexibly selected, and is preferably set to be straight, so as to facilitate cutting processing; further, the slit 32 preferably extends from the edge of the cushion layer 3 nearest to the via hole 310 directly into the via hole 310. The opening position of the slit 32 is arranged at the edge part of the backing layer 3 closest to the wire passing hole 310, so that the length of the slit 32 can be reduced to the maximum, the wiring harness via rubber sleeve 2 can be clamped in the slit 32 area of the backing layer 3 conveniently, and the influence of the slit 32 on the overall performance of the backing layer 3 can be effectively reduced.

As shown in fig. 2 and 3, in the present embodiment, a concave cavity 31 is provided in a region where the wire passing hole 310 is located on the liner layer 3, and the concave cavity 31 is formed by recessing the liner layer 3 toward the side of the partition board 1. The wire through hole 310 is disposed at the bottom of the cavity 31. The recessed cavity 31 is arranged in the area where the wire passing hole 310 is located, so that the end part of the wire harness passing hole rubber sleeve 2 extending out of the backing layer 3 can be accommodated; the end of the general wire harness via hole rubber sleeve 2 is provided with the flange 21, and the flange 21 positioned outside the backing layer 3 can be erected on the bottom surface of the cavity 31, so that the matching area of the outside of the backing layer 3 and the wire harness via hole rubber sleeve 2 is more orderly, and the connection between the wire harness via hole rubber sleeve 2 and the backing layer 3 is more tight.

As shown in fig. 3, a wire harness passing hole rubber sleeve 2 is sleeved on a position where the wire harness 4 passes through the wire passing hole 100 and the wire passing hole 310, and the wire harness passing hole rubber sleeve 2 passes through the wire passing hole 100 and the wire passing hole 310 together to play a role in sealing and protection. Set up the pencil via hole gum cover 2 of wearing to establish simultaneously in through wires hole 100 and the line hole 310 in this baffle threading structure that covers the backing layer, pencil via hole gum cover 2 can form good shutoff between 4 and the through wires hole 100 of pencil and between 4 and the line hole 310 of pencil to enclose the sound insulation performance at threading position before effectively improving the cabin, and can form reliable fixed and protection to pencil 4.

The middle part of the wire harness via hole rubber sleeve 2 is provided with a boss 20 protruding outwards in the radial direction, and the wire harness via hole rubber sleeve 2 is clamped in the threading hole 100 through the boss 20. Meanwhile, in order to improve the self elastic deformation capability of the wire harness via hole rubber sleeve 2, the die cavity 200 is preferably arranged in the wire harness via hole rubber sleeve 2 corresponding to the boss 20. The form of clamping installation is adopted between the partition plate 1 and the wire harness via hole rubber sleeve 2, so that the wire harness via hole rubber sleeve 2 can be conveniently installed on the partition plate 1.

In addition, a groove 201 is arranged on the boss 20, and the edge of the threading hole 100 is embedded in the groove 201. Through set up recess 201 on boss 20, make the edge card of through wires hole 100 go into in recess 201, not only can be convenient realization pencil via hole gum cover 2 clamp in through wires hole 100, and can improve the sealed syllable-dividing effect between baffle 1 and pencil via hole gum cover 2.

Based on the arrangement of the wire harness via hole rubber sleeve 2, the threading hole 100 on the partition board 1 should be set to a larger size, that is, the diameter of the threading hole 100 is larger than that of the threading hole 310. Set up the size of through wires hole 100 bigger, be convenient for with the great evagination joint position cooperation of 2 middle part radial dimension of pencil via hole gum cover, the size of crossing wire hole 310 is less, then do benefit to the less position cooperation of the radial dimension of wire hole 310 and 2 tip of pencil via hole gum cover to make pencil via hole gum cover 2 more suitable with through wires hole 100, the cooperation of crossing wire hole 310, with further reducing wear to establish the influence of pencil 4 to enclose sound insulation performance before the cabin.

In addition, as shown in fig. 3, in the present embodiment, a gap is left between the inner wall 311 of the wire passing hole 310 and the outer wall of the wire harness passing hole rubber sleeve 2; preferably, the width D of the gap is set between 2 mm and 7 mm. The wire passing hole 310 is arranged to be slightly larger than the radial size of the end part of the wire harness passing hole rubber sleeve 2, so that the size of an opening of the wire passing hole 310 can be reduced as much as possible while the wire harness passing hole rubber sleeve 2 can be ensured to smoothly pass through the wire passing hole 310; for example, the width D of the gap between the inner wall 311 of the wire passing hole 310 and the harness via rubber sleeve 2 is set to be 2, 3, 5 or 7mm, the gap is small, and the problem of noise leakage caused by the gap can be avoided by the attachment of the turned-up edge 21 at the end of the harness via rubber sleeve 2 and the outer surface of the backing layer 3 and the close attachment of the inner side of the backing layer 3 and the surface of the boss 20.

In the area where the wire harness via hole gum cover 2 is located, due to the arrangement of the boss 20, a certain distance exists between the outer surface of the backing layer 3 and the surface of the partition board 1, that is, a cavity can be formed among the partition board 1, the backing layer 3 and the wire harness via hole gum cover 2, which also affects the sound insulation of the area. In this embodiment, a protrusion 30 is formed on one side of the gasket layer 3 facing the partition board 1, the protrusion 30 is disposed around the wire passing hole 310, and the protrusion 30 is abutted and attached to the partition board 1, the protrusion 30 and the wire harness passing hole adhesive cover 2, so as to fill the cavity. Through setting up protruding 30 in the inboard of backing layer 3, fill the space between backing layer 3, baffle 1 and pencil via hole gum cover 2, the thickness of multiplicable pencil via hole gum cover 2 position department backing layer 3 to the sound insulation performance at the position of reinforcing pencil via hole gum cover 2.

In summary, in the partition threading structure covered with the liner layer according to the embodiment, by providing the slit 32 extending from the edge of the liner layer 3 to the threading hole 310, when the harness via rubber cover 2 is installed, the harness via rubber cover 2 can be conveniently disposed in the threading hole 310 and fixed in the threading hole 100 by lifting the liner layer 3 from the slit 32; thereby can avoid processing many openings around crossing line hole 310 to can effectively reduce the trompil size of crossing line hole 310, when this structure is used for enclosing before the automobile body, do benefit to and improve before the automobile body enclose the sound insulation performance to the cabin interior noise.

Example two

The utility model relates to a vehicle, which is provided with a clapboard threading structure covered with a cushion layer provided by the embodiment I.

Still take the front wall of the vehicle body as an example, when the above threading structure is disposed at the front wall of the vehicle body, the front wall of the vehicle body is the partition board 1, and the front wall heat insulation pad covered on the front wall is the cushion layer 3.

The threading structure is adopted at the threading positions of the front wall and the front wall heat insulation pad in the cabin of the vehicle, so that the effect of improving the sound insulation performance of the front wall of the vehicle body on the noise in the cabin can be achieved.

Through the arrangement of the threading structure, the installation mode of the cabin wiring harness is changed, so that the area of the opening of the wiring harness 4 area on the front wall heat insulation pad can be reduced, and the sound insulation performance of the front wall system is improved. Due to the arrangement of the slit 32, the front-side through-opening installation is optimized to the side-opening installation, thereby improving the installation convenience of the wire harness 4. Moreover, the design of the present invention does not require additional weight and cost of the backing layer 3, and the problem of high frequency noise is well solved.

It should be noted that the partition threading structure covered with the cushion layer of the utility model can be arranged in other similar threading scenes of the vehicle; when the front wall is arranged, one wire harness 4 can be arranged, or a plurality of wire harnesses can be arranged, and the number of the wire harnesses 4 to be arranged in a penetrating mode can be determined according to the front wall.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A kind of baffle threading structure covered with liner layer, characterized in that:

comprises a clapboard (1) and a liner layer (3) covering the clapboard (1);

the partition board (1) is provided with a threading hole (100), and the lining layer (3) is provided with a threading hole (310) corresponding to the threading hole (100); and the number of the first and second electrodes,

the liner layer (3) is provided with a slit (32), and the slit (32) extends from the edge of the liner layer (3) to the wire passing hole (310).

2. A spacer threading structure covered with a bedding layer according to claim 1, characterized in that:

the slit (32) extends into the via hole (310) from an edge of the pad layer (3) nearest to the via hole (310).

3. A spacer threading structure covered with a bedding layer according to claim 1, characterized in that:

the area where the line passing hole (310) is located on the lining layer (3) is provided with a cavity (31), the cavity (31) is formed by the lining layer (3) and the partition plate (1) in a concave mode, and the line passing hole (310) is located at the bottom of the cavity (31).

4. A spacer threading structure covered with a bedding layer according to claim 1, characterized in that:

the diameter of the threading hole (100) is larger than that of the threading hole (310).

5. A spacer threading structure covered with a liner layer according to any one of claims 1 to 4, wherein:

the partition board threading structure covered with the liner layer further comprises a wire harness through hole rubber sleeve (2);

the wire harness passing hole rubber sleeve (2) penetrates through the threading hole (100) and the wire passing hole (310) together.

6. The spacer threading structure covered with a cushion layer according to claim 5, wherein:

the middle part of the wire harness via hole rubber sleeve (2) is provided with a boss (20) protruding radially outwards, and the wire harness via hole rubber sleeve (2) is clamped in the threading hole (100) through the boss (20).

7. A spacer threading structure covered with a cushion layer according to claim 6, wherein:

a groove (201) is formed in the boss (20), and the edge of the threading hole (100) is embedded in the groove (201).

8. The spacer threading structure covered with a cushion layer according to claim 5, wherein:

a gap is reserved between the inner wall (311) of the wire passing hole (310) and the outer wall of the wire harness via hole rubber sleeve (2), and the width D of the gap is 2-7 mm.

9. The spacer threading structure covered with a cushion layer according to claim 5, wherein:

cushion layer (3) face one side shaping of baffle (1) has arch (30), arch (30) encircle cross line hole (310) setting, just arch (30) with baffle (1) with pencil via hole gum cover (2) butt respectively.

10. A vehicle, characterized in that a spacer threading structure covered with a padding layer according to any one of claims 1 to 9 is provided in the vehicle.

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