Automobile high-voltage wire harness rubber part

Abstract

The utility model discloses an automobile high-voltage wire harness rubber part, which comprises a square rubber body, a metal lining and a metal pressing plate, through holes are arranged at four corners of the upper end of the square rubber body, the metal lining is arranged in the through holes, two wire penetrating pipes which are in bilateral symmetry are fixed at the upper end of the rubber body, and the metal pressing plate is arranged in the two wire penetrating pipes. A certain angle is formed between the threading pipe and the rubber body, a sealing groove is formed between the threading pipe and the rubber body, the metal pressing plate is arranged at the upper end of the rubber body, a boss corresponding to the sealing groove is fixed to the upper end of the metal pressing plate, fixing holes in one-to-one correspondence with the through holes are formed in the upper end of the rubber body, and dry and wet areas are isolated through the rubber body. According to the high-voltage wiring harness sealing structure, dry and wet areas of a high-voltage wiring harness and a rubber part are effectively blocked, the boss on the metal pressing plate and the sealing groove in the rubber body are correspondingly clamped, the sealing effect is achieved, the sealing performance between the rubber body and the metal pressing plate is ensured, and meanwhile the risk that a welding stud is separated from a metal plate in the rubber part assembling process can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to car high pressure wire harness technical field, concretely is a kind of automobile high pressure wire harness rubber parts. BACKGROUND

[0002] Wire harness rubber part refers to the process that wire harness passes sheet metal or is assembled to sheet metal, to ensure good wire harness protection, wire harness smooth transition and other performances, the part of elastic rubber used at the through-hole of vehicle body sheet metal. Because automobile high pressure wire harness is single wire harness and diameter is larger, the force given to rubber part in the process of use is larger, traditional pure rubber part scheme is difficult to consider the dual requirements of going to and sealing, usually rubber part and wire harness and metal pressing plate are assembled, then fixed to the stud welded on vehicle body by tightening nut. In the process of assembly, waterproof rib of rubber part will be compressed with the tightening of nut, to realize the separation of dry and wet areas. In this process, the stud welded on vehicle body is separated from the metal pressing plate of rubber part with the tightening of nut, which causes the separation of sheet metal and nut welded part, and there is a risk that the stud welded on vehicle body is separated from sheet metal in the process of assembly. The structure of the present application effectively separates the dry and wet areas of high pressure wire harness and rubber part, the dry and wet areas of rubber part and sheet metal, plays a sealing role, and at the same time can avoid the risk that the stud welded on vehicle body is separated from sheet metal in the process of assembling rubber part. SUMMARY

[0003] In view of the above problems, the utility model provides a kind of automobile high pressure wire harness rubber parts;Its structure effectively separates the dry and wet areas of high pressure wire harness and rubber part, the dry and wet areas of rubber part and sheet metal, plays a sealing role, and at the same time can avoid the risk that the stud welded on vehicle body is separated from sheet metal in the process of assembling rubber part.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of automobile high pressure wire harness rubber parts, including square rubber body, metal bushing and metal pressing plate, the upper end of square rubber body is equipped with through hole in four corners, the metal bushing is placed in through hole, the upper end of the rubber body is fixed with two left-right symmetrical threading tube, the threading tube and rubber body are arranged at a certain angle, the threading tube and rubber body are equipped with sealing groove, the metal pressing plate is placed in the upper end of rubber body, the upper end of the metal pressing plate is fixed with the boss corresponding with sealing groove, the upper end of the rubber body is equipped with fixed hole corresponding with through hole, the lower end of the rubber body is equipped with outer waterproof ring along its edge, the lower end of the rubber body is equipped with waterproof platform, the edge of the connection of waterproof platform and rubber body is equipped with inner waterproof ring.

[0005] Preferably, the upper end of the rubber body is equipped with counterbore in four corners, the counterbore and through hole are one-to-one correspondence, the counterbore and through hole are coaxially arranged.

[0006] Preferably, the upper end of the metal bushing is provided with a folded edge corresponding to the counterbore, and the thickness of the folded edge is consistent with the depth of the counterbore.

[0007] Preferably, the rubber body, the wire tube, the counterbore, the sealing groove, the through hole, the outer waterproof ring, the inner waterproof ring and the waterproof platform are integrally formed by injection molding.

[0008] Preferably, the wire tube is provided with a plurality of sealing rings at the port.

[0009] Preferably, the through hole is located between the outer waterproof ring and the inner waterproof ring.

[0010] Compared with the prior art, the utility model has the beneficial effects as follows:

[0011] 1. The rubber body separates the dry area and the wet area, effectively separates the dry area and the wet area of the high-voltage wire harness and the rubber part, the sealing groove on the rubber body is matched with the boss on the metal pressing plate, and the sealing effect is achieved, the sealing property between the rubber body and the metal pressing plate is ensured, and the risk that the welding stud is separated from the sheet metal during the assembly of the rubber part is avoided.

[0012] 2. The outer waterproof ring, the inner waterproof ring and the waterproof platform are arranged at the lower end of the rubber body, the waterproof platform abuts against the sheet metal when the rubber body contacts the sheet metal, the sealing between the rubber body and the sheet metal is realized, the rubber body is extruded when the metal pressing plate covers the rubber body and is fixed through the bolt, the outer waterproof ring and the inner waterproof ring are attached to the surface of the sheet metal, the connection part between the rubber body and the sheet metal is sealed again, the sealing property is ensured, and the dry area and the wet area are separated. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is an explosion schematic view of the utility model;

[0015] Figure 3 It is a rubber body bottom schematic view of the utility model.

[0016] The figure mark explanation: 1, rubber body; 2, metal bushing; 3, metal pressing plate; 101, wire tube; 102, counterbore; 103, sealing groove; 104, through hole; 105, outer waterproof ring; 106, inner waterproof ring; 107, waterproof platform; 201, folded edge; 301, boss; 302, fixed hole. DETAILED DESCRIPTION

[0017] The embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0018] Please refer to Figure 1 , Figure 2 and Figure 3 , a kind of automobile high pressure wire harness rubber parts, including square rubber body 1, metal bushing 2 and metal pressing plate 3, the upper end of square the rubber body 1 Four corners are all provided with through hole 104, the through hole 104 is convenient for fixing piece to pass through rubber body 1, in turn realize the fixation of rubber body 1, the metal bushing 2 is placed in through hole 104, after the metal bushing 2 is placed in through hole 104, fixing piece passes through metal bushing 2 indirectly with rubber body 1 Contact, prevent fixing piece directly with rubber body 1 Contact, cause the wear of rubber body 1 Condition, in turn influence the sealing between rubber body 1 And fixing piece, the upper end of the rubber body 1 It is fixed with two left-right symmetrical threading pipe 101, the port of the threading pipe 101 It is equipped with multiple turns of sealing ring, the threading pipe 101 With rubber body 1 Between a certain angle setting, the threading pipe 101 For passing through automobile high pressure wire, realize the fixation of high pressure wire, simultaneously by setting sealing ring in the inside of threading pipe 101, realized the sealing between automobile high pressure wire and threading pipe 101, improve its sealing effect.

[0019] Please refer to Figure 1 , Figure 2 and Figure 3The sealing groove 103 is arranged between the threading pipe 101 and the rubber body 1, the metal pressing plate 3 is arranged at the upper end of the rubber body 1, the upper end of the metal pressing plate 3 is fixed with the boss 301 corresponding to the sealing groove 103, the dry and wet areas are isolated by the rubber body 1, the dry and wet areas of the high-voltage wire harness and the rubber part are effectively blocked, the boss 301 on the metal pressing plate 3 and the sealing groove 103 on the rubber body 1 are correspondingly clamped, the sealing effect is achieved, the sealing between the rubber body 1 and the metal pressing plate 3 is ensured, and meanwhile the risk that the welding stud is separated from the sheet metal during the assembly of the rubber part is avoided, the upper end of the rubber body 1 is provided with the fixing hole 302 corresponding to the through hole 104, the lower end of the rubber body 1 is provided with the outer waterproof ring 105 along the edge thereof, the lower end of the rubber body 1 is provided with the waterproof table 107, the edge of the connection between the waterproof table 107 and the rubber body 1 is provided with the inner waterproof ring 106, the through hole 104 is arranged on the rubber body 1, the outer waterproof ring 105, the inner waterproof ring 106 and the waterproof table 107 are arranged at the lower end of the rubber body 1, when the rubber body 1 contacts the sheet metal, the waterproof table 107 first abuts against the sheet metal, the sealing between the rubber body 1 and the sheet metal is realized, the rubber body 1 is squeezed by the metal pressing plate 3 covering the rubber body 1 and the bolt at the time of fixing, the outer waterproof ring 105 and the inner waterproof ring 106 are attached to the surface of the sheet metal, the connection between the rubber body 1 and the sheet metal is sealed again, the sealing is ensured, the dry and wet areas are separated, the sink hole 102 is arranged at the upper end of the rubber body 1, the sink hole 102 corresponds to the through hole 104, the sink hole 102 and the through hole 104 are coaxially arranged, the upper end of the metal bushing 2 is provided with the folded edge 201, the folded edge 201 corresponds to the sink hole 102, the thickness of the folded edge 201 is consistent with the depth of the sink hole 102, the metal bushing 2 is inserted into the through hole 104, the folded edge 201 is arranged on the metal bushing 2 and the sink hole 102 is arranged on the rubber body 1, the metal bushing 2 is placed in the through hole 104, the folded edge 201 is attached to the sink hole 102, so that the upper end is in a plane, when the metal bushing 2 is fixed, the rubber body 1 is prevented from being abraded by directly contacting the fixing part, the upper end of the rubber body 1 is in the same plane, when the metal pressing plate 3 covers the rubber body 1, the local upwarping is prevented, and the rubber body 1 and the metal pressing plate 3 are conveniently connected together.

[0020] Please refer to Figure 1 , Figure 2 and Figure 3The rubber body 1, the threading pipe 101, the counterbore 102, the sealing groove 103, the through hole 104, the outer waterproof ring 105, the inner waterproof ring 106 and the waterproof platform 107 are integrally formed by injection molding, the whole rubber body 1 is made by injection molding, the firmness and the sealing property of the connection between the rubber body 1, the threading pipe 101, the counterbore 102, the sealing groove 103, the through hole 104, the outer waterproof ring 105, the inner waterproof ring 106 and the waterproof platform 107 are ensured, meanwhile, large-scale production is facilitated, the through hole 104 is located between the outer waterproof ring 105 and the inner waterproof ring 106, the through hole 104 is arranged between the outer waterproof ring 105 and the inner waterproof ring 106, the sealing property between the fixing part and the automobile high-voltage wire is ensured, and moisture is prevented from entering the automobile high-voltage wire from the gap of the fixing part.

[0021] When the utility model is used:

[0022] The automobile high-voltage wire is threaded through the threading pipe 101, the harness effect is realized, after completion, the metal bushing 2 is arranged in the through hole 104 of the rubber body 1, the fold along 201 is correspondingly attached to the counterbore 102, the metal pressing plate 3 is arranged at the upper end of the rubber body 1, the convex platform 301 is clamped at the sealing groove 103 of the rubber body 1, the sealing property of the connection between the rubber body 1 and the metal pressing plate 3 is realized, after completion, the fixing part is threaded through the metal pressing plate 3 and the through hole 104, and is fixed on the sheet metal and is tightened, when the fixing part is tightened, the waterproof platform 107 is first abutted against the sheet metal, the sealing property between the rubber body 1 and the sheet metal is realized, meanwhile, the metal pressing plate 3 is covered on the rubber body 1, and is fixed by the bolt, and the rubber body 1 is extruded, at this time, the outer waterproof ring 105 and the inner waterproof ring 106 are attached to the surface of the sheet metal, the connection between the rubber body 1 and the sheet metal is sealed again, the sealing property is ensured, and the dry and wet areas are separated.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automotive high voltage wiring harness rubber, characterized by: The utility model provides a square rubber body (1), metal bushing (2) and metal pressing plate (3), square the rubber body (1) is provided with through -hole (104) in the upper end four corners, metal bushing (2) is placed in through -hole (104), the upper end of rubber body (1) is fixed with two left and right symmetrical threading pipe (101), threading pipe (101) and rubber body (1) between angle setting, the sealing groove (103) between threading pipe (101) and rubber body (1), metal pressing plate (3) is placed in the upper end of rubber body (1), the upper end of metal pressing plate (3) is fixed with the boss (301) corresponding with sealing groove (103), the upper end of rubber body (1) is provided with fixed hole (302) corresponding with through -hole (104) one to one, the lower end of rubber body (1) is equipped with outer waterproof ring (105) along its edge, the lower end of rubber body (1) is equipped with waterproof platform (107), the edge of waterproof platform (107) and rubber body (1) junction is equipped with inner waterproof ring (106).

2. The high-voltage wire harness rubber of claim 1, wherein: The upper end of the rubber body (1) is provided with a counterbore (102) at each of the four corners, the counterbore (102) corresponds to the through hole (104) one to one, and the counterbore (102) is coaxially arranged with the through hole (104).

3. The high-voltage wire harness rubber of claim 2, wherein: The upper end of the metal bushing (2) is provided with a folding edge (201), the folding edge (201) corresponds to the counterbore (102) one to one, and the thickness of the folding edge (201) is consistent with the depth of the counterbore (102).

4. The high-voltage wire harness rubber of claim 2, wherein: The rubber body (1), the threading pipe (101), the counterbore (102), the sealing groove (103), the through hole (104), the outer waterproof ring (105), the inner waterproof ring (106) and the waterproof platform (107) are integrally formed by injection molding.

5. The high-voltage wire harness rubber of claim 1, wherein: The port of the threading pipe (101) is provided with a plurality of sealing rings.

6. The high-voltage wire harness rubber of claim 4, wherein: The through hole (104) is located between the outer waterproof ring (105) and the inner waterproof ring (106).

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