CN210739369U

CN210739369U - Steering system seals assembly and has its vehicle

Info

Publication number: CN210739369U
Application number: CN201921283849.9U
Authority: CN
Inventors: 甘波; 韦仲宁; 万茂林; 谭宇韬; 罗明军
Original assignee: Guangzhou Xiaopeng Motors Technology Co Ltd
Current assignee: Guangzhou Xiaopeng Motors Technology Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-06-12
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a sealing assembly of steering system and have its vehicle. This sealing assembly of steering system includes: a diverter assembly, the diverter assembly comprising: the rear end of the middle pipe column is positioned in the cab, and the front end of the middle pipe column is positioned in the front cabin; the front partition plate is provided with a front partition plate bulge, a pipe column through hole is formed in the front partition plate bulge, and the middle pipe column penetrates through the pipe column through hole; the sealing structure is characterized in that a sealing installation part is arranged on the installation surface of the sealing structure, the front partition plate bulge is matched with the sealing installation part in an embedding mode, a sealing step is arranged at the edge of the sealing installation part, and the sealing step is suitable for being attached to the front partition plate. According to the utility model discloses a sealing assembly of steering system is protruding, set up seal installation department on seal structure through baffle before the baffle sets up to with preceding baffle arch and seal installation department inlay and establish the cooperation, can promote the sealing performance of seal structure and preceding baffle cooperation department, sealed step can further promote sealing performance with preceding baffle laminating simultaneously.

Description

Steering system seals assembly and has its vehicle

Technical Field

The utility model relates to an automotive filed particularly, relates to a sealing assembly of a steering system and have its vehicle.

Background

The tubular column via hole on the baffle before the vehicle is worn to establish by the middle tubular column of steering gear, but seal structure design between middle tubular column and the tubular column via hole is unreasonable, and it is not good to lead to the sealed effect between middle tubular column and the preceding baffle, and in muddy water got into the driver's cabin through the cooperation department of middle tubular column and preceding baffle easily, it can accelerate the ageing of part in the driver's cabin to intake for a long time, increases the dimension cost, influences the use experience of user to the vehicle after intaking simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, on one hand, the sealing assembly for the steering system is provided, and the sealing performance of the matching part of the middle pipe column and the front partition plate can be improved.

In another aspect, a vehicle having the above-described steering system seal assembly is also provided.

According to the utility model discloses sealing assembly of a steering system includes: a diverter assembly, the diverter assembly comprising: the rear end of the middle pipe column is positioned in the cab, and the front end of the middle pipe column is positioned in the front cabin; the front partition plate is provided with a front partition plate bulge, a pipe column through hole is formed in the front partition plate bulge, and the middle pipe column penetrates through the pipe column through hole; seal structure, be provided with seal installation department on seal structure's the installation face, preceding baffle protruding with seal installation department inlays and establishes the cooperation, seal installation department's edge has sealed step, sealed step be suitable for with preceding baffle laminating.

According to the utility model discloses the sealed assembly of a steering system sets up preceding baffle arch, sets up seal installation department on seal structure through baffle in the front to with preceding baffle arch and seal installation department inlay and establish the cooperation, can promote the sealing performance of seal structure and preceding baffle cooperation department, sealed step and preceding baffle laminating can further promote sealing performance simultaneously.

According to the utility model discloses an embodiment, sealed step is the step of meeting water inflation material and making.

According to the utility model discloses an embodiment, preceding baffle is protruding towards the front deck protrusion, seal installation department is mounting groove.

According to the utility model discloses a still another embodiment, the protruding orientation of preceding baffle the driver's cabin is protruding, seal installation department is the installation arch.

Optionally, the front baffle is protruding with be provided with the water inflation sealing rod of installation face between the seal installation department, the water inflation sealing rod of installation face encircles the tubular column via hole.

According to the utility model discloses an embodiment, seal structure has the shell, keeping away from of shell the one end of preceding baffle has inside turn-ups, inside turn-ups is located the inside of shell and orientation preceding baffle place direction is extended, inside turn-ups department is provided with first heavy sealing member and second heavy sealing member, the second heavy sealing member be located preceding baffle with between the first heavy sealing member.

According to an embodiment of the utility model, first heavy sealing member with the inboard of second heavy sealing member all with the middle tubular column laminating.

According to the utility model discloses a still another embodiment, the outside cover of middle tubular column is equipped with the dirt proof boot, the seal structure cover is established outside the dirt proof boot, first heavy sealing member with the inboard of second heavy sealing member all with the dirt proof boot laminating, the lower extreme of dirt proof boot is provided with the dirt proof boot and meets water inflation sealing rod, the dirt proof boot meet water inflation sealing rod the inboard with middle tubular column laminating, the upper end of dirt proof boot upwards passes seal structure.

Optionally, the first heavy sealing element and the second heavy sealing element are both water-swelling sealing strips.

Specifically, first heavy sealing member is annular water-swelling sealing rod, second heavy sealing member is two "E" shape water-swelling sealing rod.

According to another aspect of the present invention, a vehicle includes the above-mentioned sealing assembly for a steering system.

The vehicle and the steering system sealing assembly have the same advantages compared with the prior art, and the detailed description is omitted.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is an assembled schematic view of a steering system seal assembly;

FIG. 2 is a schematic view of the assembly of the diverter assembly with the front bulkhead;

FIG. 3 is a schematic view of the assembly of the intermediate tubular string with the front bulkhead;

FIG. 4 is a sectional view A-A of FIG. 3;

FIG. 5 is an enlarged partial schematic view at C of FIG. 4;

FIG. 6 is a schematic view of a front bulkhead;

FIG. 7 is an exploded schematic view of the seal structure;

fig. 8 is an assembly schematic of the seal structure.

Reference numerals:

the steering system sealing assembly 10, the steering assembly 1, the steering shaft 11, the intermediate pipe column 12, the steering housing 13, the dust cover 14, the front partition plate 2, the front partition plate protrusion 21, the pipe column via hole 22, the front partition plate fixing hole 23, the auxiliary frame 3, the dust cover water-swelling water stop strip 4, the sealing structure 5, the sealing installation part 51, the sealing step 52, the installation surface water-swelling water stop strip 53, the outer shell 54, the inward flanging 55, the stopping flange 551, the first heavy sealing member 56, the second heavy sealing member 57, the sealing structure fixing hole 58 and the sealing structure via hole 59.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", etc. indicate orientations or positional relationships based on the vehicle, and are merely for convenience of description and simplified description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

A steering system seal assembly 10 according to an embodiment of the present invention is described in detail below with reference to fig. 1-8.

Referring to fig. 1, a steering system seal assembly 10 according to an embodiment of the present invention may include: the steering gear assembly 1, the front partition 2 and the sealing structure 5, as shown in fig. 2, the steering gear assembly 1 may include: the steering device comprises a steering shaft 11, a middle pipe column 12 and a steering gear shell 13, wherein the rear end of the middle pipe column 12 is positioned in a cab, the front end of the middle pipe column 12 is positioned in a front cabin, the steering shaft 11 is positioned in the cab, the steering shaft 11 is connected with the front end of the middle pipe column 12, a steering wheel is connected with the steering shaft 11, the steering gear shell 13 is positioned in the front cabin, and the steering gear shell 13 is connected with the rear end of the middle pipe column 12.

The subframe 3 is located in the front compartment, and the steering gear housing 13 is provided on the subframe 3.

The sealing structure 5 is sleeved on the middle pipe column 12 and is positioned at the matching part of the middle pipe column 12 and the front partition board 2, and the sealing structure 5 can be fixed on the front partition board 2.

Specifically, the front partition board 2 is provided with a front partition board protrusion 21, the front partition board protrusion 21 is not in the same plane with the large surface of the front partition board 2, a pipe column through hole 22 is formed in the front partition board protrusion 21, the sealing structure 5 is provided with a sealing structure through hole 59, and the middle pipe column 12 penetrates through the pipe column through hole 22 and the sealing structure through hole 59. The seal mounting portion 51 is provided on the mounting surface of the seal structure 5, and the front bulkhead projection 21 is fitted and fitted with the seal mounting portion 51, whereby the path tortuosity at the fitting portion of the front bulkhead projection 21 with the seal mounting portion 51 can be increased. Even if liquid (or water vapor, muddy water, etc., for convenience of description, the liquid is taken as an example below) is to pass through the sealing structure 5 to reach the position of the column through hole 22, the front baffle projection 21 is embedded and matched with the sealing installation part 51, so that the liquid is gradually lost in the process of entering the sealing structure through hole 59, and the amount of the liquid entering the sealing structure 5 is greatly reduced.

In a specific embodiment, the "fitting fit" is a concave-convex fit, and when the fitting is performed, the annular surface of the front diaphragm projection 21 and the annular surface of the seal mounting portion 51 may be attached, but in some alternative embodiments, the annular surface of the front diaphragm projection 21 and the annular surface of the seal mounting portion 51 may also be separated. Preferably, the ring surface of the front partition plate bulge 21 is attached to the ring surface of the seal mounting part 51, so that the attachment position can effectively block the liquid passage, and the sealing effect is better.

The dash mat protrusion 21 may be a punched protrusion, that is, the dash mat protrusion 21 is integrally formed with the dash mat 2 through a punching process.

Referring to fig. 7, the surface of the seal mounting portion 51 has a sealing step 52, the sealing step 52 surrounds the periphery of the seal mounting portion 51, and the sealing step 52 is annularly and closely arranged, in other words, the sealing step 52 is a closed annular structure, and the sealing step 52 is suitable for being attached to the front partition 2. In other words, after the front partition plate protrusion 21 and the seal mounting portion 51 are completely embedded, the seal step 52 is attached to the front partition plate 2, so that liquid is prevented from entering the inside of the seal structure 5 from between the seal step 52 and the front partition plate 2, and the liquid is better isolated.

Referring to fig. 6-7, in an embodiment of the present invention, the front baffle 21 protrudes toward the front cabin, the seal mounting portion 51 is a mounting groove, the front baffle 21 is embedded into the mounting groove, and the seal step 52 protrudes outward from the mounting groove, i.e., the seal step 52 is higher than the mounting groove.

As another example, in the present invention, the front partition board protrusion 21 protrudes toward the cab, the sealing installation portion 51 is an installation protrusion, the installation protrusion is embedded into the front partition board protrusion 21, and the installation protrusion protrudes outward to form the sealing step 52, i.e., the installation protrusion is higher than the sealing step 52.

Referring to fig. 6 to 7, the front partition plate protrusion 21 is provided with a front partition plate fixing hole 23, the seal mounting portion 51 is provided with a seal structure fixing hole 58, and a fastener is inserted through the seal structure fixing hole 58 and the front partition plate fixing hole 23 to fix the seal structure 5 to the front partition plate 2. Alternatively, the number of the seal structure fixing holes 58 and the front bulkhead fixing holes 23 is plural, and the degree of the fastening of the seal structure 5 to the front bulkhead 2 can be improved. And waterproof sealant is coated at the fastening piece to prevent liquid from entering the cab through the gap between the fastening piece and the sealing structure fixing hole 58 and the gap between the fastening piece and the front partition fixing hole 23.

According to the utility model discloses the sealed assembly 10 of a steering system sets up preceding baffle arch 21, sets up seal installation department 51 on seal structure 5 through baffle 2 in the front to with preceding baffle arch 21 and seal installation department 51 inlay and establish the cooperation, can promote the sealing performance of seal structure 5 and preceding baffle 2 cooperation department, sealed step 52 can further promote sealing performance with preceding 2 laminatings of baffle simultaneously.

Seal step 52 is a water-swellable step, that is, seal step 52 is made of a water-swellable material. When the sealing step 52 contacts with liquid, the sealing step 52 can expand rapidly, so that the fit tightness between the sealing step 52 and the front partition plate 2 is improved, a gap between the sealing step 52 and the front partition plate 2 is eliminated, and liquid, water vapor, muddy water and the like are effectively prevented from entering the sealing structure 5 through the gap between the sealing step 52 and the front partition plate 2.

Optionally, as shown in fig. 7, a mounting surface water-swelling water stop 53 is disposed between the front bulkhead projection 21 and the seal mounting portion 51, and the mounting surface water-swelling water stop 53 surrounds the pipe string through hole 22. Thus, even if a portion of the liquid enters the interior of the seal 5 past the sealing step 52, the mounting surface water-swellable seal 53 will rapidly swell when exposed to the portion of the liquid, thereby sealing the mating surface of the forward bulkhead protrusion 21 and the seal mount 51 and preventing the liquid from entering the pipe string through-hole 22 from between the forward bulkhead protrusion 21 and the seal mount 51.

Referring to fig. 5, 7-8, the sealing structure 5 has a housing 54, one end of the housing 54 away from the front partition 2 has an inward flange 55, that is, the seal mounting portion 51 and the sealing step 52 are located at the rear upper end of the housing 54, the inward flange 55 is located at the front lower end of the housing 54, the inward flange 55 is located inside the housing 54, and the inward flange 55 extends toward the front partition 2, a first heavy seal 56 and a second heavy seal 57 are provided at the inward flange 55, the second heavy seal 57 is located between the front partition 2 and the first heavy seal 56, and the inner sides of the first heavy seal 56 and the second heavy seal 57 are both adapted to be engaged with the inner sleeve.

In an embodiment of the present invention, the inner sleeve member is the middle pipe string 12, and the inner sides of the first heavy sealing member 56 and the second heavy sealing member 57 are directly attached to the middle pipe string 12, so as to prevent liquid from entering the cab from the attaching surface of the first heavy sealing member 56 and the middle pipe string 12 or the attaching surface of the second heavy sealing member 57 and the middle pipe string 12.

In another embodiment of the present invention, referring to fig. 3-5, the outer sleeve of the middle pipe string 12 is provided with a dust-proof sleeve 14, the sealing structure 5 is sleeved outside the dust-proof sleeve 14, the inner sleeve is provided with the dust-proof sleeve 14, and the inner sides of the first heavy sealing member 56 and the second heavy sealing member 57 are both attached to the dust-proof sleeve 14.

The lower extreme of dirt proof boot 14 is provided with dirt proof boot water inflation sealing rod 4, and the inboard and the middle tubular column 12 laminating of dirt proof boot water inflation sealing rod 4, the upper end of dirt proof boot 14 upwards passes seal structure 5 to further upwards pass tubular column via hole 22. The water-swellable seal 4 expands rapidly when it contacts liquid to seal the lower end of the boot 14 and prevent liquid from entering the space between the boot 14 and the intermediate string 12 through the lower end of the boot 14.

Alternatively, the boot cover 14 may be made of a water-swellable material.

When the liquid reaches the front lower end of the sealing structure 5, the first heavy seal 56 blocks the liquid from continuing into the sealing structure 5 first, and when a small amount of liquid enters the inside of the sealing structure 5 beyond the first heavy seal 56, the second heavy seal 57 blocks the liquid from continuing to penetrate into the front bulkhead 2 and the cab again. The first heavy seal 56 and the second heavy seal 57 act together to achieve a double sealing effect, which is beneficial to further improving the sealing performance of the sealing structure 5.

Optionally, first heavy seal 56 and second heavy seal 57 are both water-swellable stop bars. When the first and second reseals 56, 57 come into contact with liquid, they may expand rapidly to fill the space between the housing 54 and the dust boot 14 to maximize the path of the liquid into the cab.

As shown in fig. 8, the inward flange 55 is provided with a stop flange 551, the first heavy seal 56 is located above the stop flange 551, and the outer diameter of the first heavy seal 56 is larger than the inner diameter of the stop flange 551, thereby ensuring that the stop flange 551 can limit the first heavy seal 56 above the stop flange 551 to achieve the installation of the first heavy seal 56, and the second heavy seal 57 can be installed at the free end of the inward flange 55 to achieve the installation of the second heavy seal 57.

In the particular embodiment shown in fig. 5, 7-8, first heavy seal 56 is an annular water-swellable stop and second heavy seal 57 is a double "E" water-swellable stop. The whole circle of annular water-swelling sealing rod sets up, can 360 isolated water routes all-round, promotes the sealing performance of first heavy sealing member 56. The double "E" shaped water-swellable seal is complex in structure, can increase the degree of tortuous path, and when water vapor or liquid reaches the second resealing member 57, most of the water can be lost at the tortuous path, which is also beneficial to improving the sealing performance.

According to the utility model discloses vehicle of on the other hand embodiment, including the sealed assembly 10 of the steering system of above-mentioned embodiment, through the structure of improving preceding baffle 2 and seal structure 5, promoted the sealing performance of preceding baffle 2 and middle tubular column 12 junction, effectively prevented in liquid, steam, muddy water etc. get into the driver's cabin, guaranteed the drying of spare part in the driver's cabin, be favorable to promoting the life of spare part in the driver's cabin to be favorable to promoting the user to the use satisfaction of vehicle.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A steering system seal assembly (10), comprising:

a steering gear assembly (1), the steering gear assembly (1) comprising: the rear end of the middle pipe column (12) is positioned in the cab, and the front end of the middle pipe column (12) is positioned in the front cabin;

the front partition plate (2) is provided with a front partition plate bulge (21), a pipe column through hole (22) is formed in the front partition plate bulge (21), and the middle pipe column (12) penetrates through the pipe column through hole (22);

seal structure (5), be provided with seal installation department (51) on seal structure's (5) the installation face, preceding baffle arch (21) with seal installation department (51) inlay and establish the cooperation, the edge of seal installation department (51) has sealed step (52), sealed step (52) be suitable for with preceding baffle (2) laminating.

2. The steering system seal assembly (10) of claim 1, wherein said sealing step (52) is a step of water-swellable material.

3. The steering system seal assembly (10) of claim 1 wherein said forward bulkhead projection (21) projects toward said forward compartment, said seal mount (51) being a mounting groove; or the front clapboard bulge (21) bulges towards the cab, and the sealing installation part (51) is an installation bulge.

4. The steering system seal assembly (10) of any of claims 1-3 wherein a mounting surface water-swellable seal (53) is disposed between the front bulkhead protrusion (21) and the seal mount (51), the mounting surface water-swellable seal (53) surrounding the column via (22).

5. The steering system seal assembly (10) according to claim 1, wherein the seal structure (5) has a housing (54), an end of the housing (54) away from the front bulkhead (2) has an inward flange (55), the inward flange (55) is located inside the housing (54) and extends toward the front bulkhead (2), a first heavy seal (56) and a second heavy seal (57) are arranged at the inward flange (55), and the second heavy seal (57) is located between the front bulkhead (2) and the first heavy seal (56).

6. The steering system seal assembly (10) of claim 5 wherein the inner sides of the first heavy seal (56) and the second heavy seal (57) each engage the intermediate pipe string (12).

7. The steering system seals assembly (10) according to claim 5, characterized in that, the outside cover of middle tubular column (12) is equipped with dirt proof boot (14), seal structure (5) cover is established outside dirt proof boot (14), the inboard of first heavy sealing member (56) and second heavy sealing member (57) all with the laminating of dirt proof boot (14), the lower extreme of dirt proof boot (14) is provided with dirt proof boot water swelling sealing rod (4), the inboard of dirt proof boot water swelling sealing rod (4) with middle tubular column (12) laminating, the upper end of dirt proof boot (14) upwards passes seal structure (5).

8. The steering system seal assembly (10) of any of claims 5-7 wherein the first heavy seal (56) and the second heavy seal (57) are both water-swellable stops.

9. The steering system seal assembly (10) of claim 8 wherein the first heavy seal (56) is an annular water-swellable seal and the second heavy seal (57) is a double "E" shaped water-swellable seal.

10. A vehicle, characterized by comprising a steering system seal assembly (10) according to any one of claims 1-9.