CN103291928B - The sealing mechanism that a kind of vapour automotive steering gear is installed - Google Patents
The sealing mechanism that a kind of vapour automotive steering gear is installed Download PDFInfo
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- CN103291928B CN103291928B CN201310216709.0A CN201310216709A CN103291928B CN 103291928 B CN103291928 B CN 103291928B CN 201310216709 A CN201310216709 A CN 201310216709A CN 103291928 B CN103291928 B CN 103291928B
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Abstract
The invention discloses the sealing mechanism that a kind of vapour automotive steering gear is installed, it comprises sealing gasket and supporting base, one end of the supporting base of tubulose is provided with installation ring flat-plate to turning up, sealing gasket is against on vehicle body sheet metal under the effect that compresses of installing ring flat-plate, vehicle body sheet metal and sealing gasket offer the first through hole and the second through hole respectively, and steering shaft sequentially runs through the pore of supporting base and the second through hole of coincidence and the first through hole and extends in the operator cabin of automobile; First through hole comprises the first sub-through hole matched with the insertion path of steering shaft, with steering shaft withdraw from the second sub-through hole that path matches, and make steering shaft move to the intercommunicating pore of the second sub-through hole from the first sub-through hole; The sectional shape of the second through hole is identical with the sectional shape of the first through hole.The irregular design of the first through hole of vehicle body sheet metal of the present invention, the annular groove of sealing gasket end face and the cylinder of reinforcement, and the design of ring flat-plate upper vent hole is installed, all effectively can improve the sealing effect of sealing mechanism.
Description
Technical field
The present invention relates to automobile steering device technology field, particularly relate to the sealing mechanism that a kind of vapour automotive steering gear is installed.
Background technique
The turning function of automobile is realized by steering system, steering system is made up of steering wheel, steering column, commutator etc., steering wheel and steering column are assemblied in cabin interior usually, commutator is assemblied in engine compartment, when steering column is connected with steering gear input shaft, needs are at vehicle body via hole, because operator cabin has seal request, so via hole herein needs encapsulation process usually.
The sealing mechanism that commutator conventional at present and vehicle body are installed is sealing gasket and sealing gasket supporting base, and wherein supporting base is generally plastic material, and sealing gasket is rubber material.And, sealing gasket is circular, boring structure, be provided with damping ring, lower end is inserted on supporting base, and circumference buckle and supporting base are locked, supporting base is arranged on steering gear housing, realize sealing by coordinating between vehicle body sheet metal and the sealing gasket of commutator, even if the sealing gasket compressive strain of quality of rubber materials produces impacting force, thus sealing gasket is pressed on vehicle body sheet metal.
The defect of above-mentioned sealing mechanism is: sealing gasket is inner forms airtight space with supporting base, and confined space gas by compression produces the active force offseted with compressive force, in a disguised form adds the rigidity of sealing gasket, causes sealing effect bad.
In addition, when car load is placed on horizontal plane (XY face), the input shaft of commutator is usual and vertical surface (XZ face) is angled, because commutator is first fixed on subframe, connected with vehicle body by subframe again, now steering gear input shaft (steering shaft) is connected with steering column through vehicle body sheet metal hole, completes the assembling of commutator.When commutator needs to dismantle from car load, have two kinds of methods to realize, first method first subframe band is dismantled by steering assembly, then commutator disassembled from subframe, and the method dismounting is complicated and the time is long; Second method does not dismantle subframe, unclamped by commutator construction bolt directly commutator laterally to be extracted out afterwards, and because steering gear input shaft is through vehicle body sheet metal hole, this kind of method needs vehicle body to arrange comparatively big hole steering gear input shaft is passed through.This defect easily causes operator cabin sealing effect bad, the foreign matters such as water, dust and stone easily enter the space at commutator place from operator cabin, affect the work of commutator, the bad demounting procedure problem with simplifying commutator of sealing effect that the present invention will solve sealing gasket.
Summary of the invention
The object of the invention is to overcome the problem that in prior art, automobile steering device sealing effect is not good, provide the sealing mechanism that a kind of vapour automotive steering gear is installed.
For achieving the above object, the sealing mechanism that described vapour automotive steering gear is installed, comprise sealing gasket and supporting base, one end of supporting base in a tubular form is provided with installation ring flat-plate to turning up, described sealing gasket is against on vehicle body sheet metal under the effect that compresses of installing ring flat-plate, described vehicle body sheet metal and sealing gasket offer the first through hole and the second through hole respectively, and the pore that steering shaft sequentially runs through supporting base and the second through hole coincided with one another and the first through hole extend in the operator cabin of automobile; Be characterized in,
Described first through hole comprises the first sub-through hole matched with the insertion path of steering shaft, with described steering shaft withdraw from the second sub-through hole that path matches, and make described steering shaft move to the intercommunicating pore of the second sub-through hole from the first sub-through hole; Further,
The sectional shape of described second through hole is identical with the sectional shape of the first through hole.
Preferably, the insertion path of described steering shaft and withdraw from path and be the straight line path that the plane offering the first through hole with described vehicle body sheet metal be a tilt angle alpha, the insertion path of described steering shaft is with to withdraw from path parallel to each other; The aperture of described first sub-through hole is equal with the aperture of the second sub-through hole, and described first through hole is the waist shaped hole of an inclination.
Preferably, the insertion path of described steering shaft and withdraw from path and be the straight line path that the plane offering the first through hole with described vehicle body sheet metal be a tilt angle alpha, the insertion path of described steering shaft is with to withdraw from path parallel to each other; The aperture of described first sub-through hole is less than the aperture of the second sub-through hole.
Preferably, the aperture of described first sub-through hole 3 ~ 5mm less of the aperture of the second sub-through hole.
Preferably, the aperture of described first sub-through hole 4mm less of the aperture of the second sub-through hole.
Preferably, on the end face that described sealing gasket and vehicle body sheet metal offset, all concentric, parallel to each other with described second through hole multiple annular grooves are offered around described second through hole, in the annular groove near described second through hole, be provided with the cylinder of multiple reinforcement, wherein two cylinders of arbitrary neighborhood are equal with the angle at the center of described second through hole.
Preferably, the cell wall shape of annular groove described in each is all identical with the shape of hole wall of described second through hole, and described in each, width of annular groove is equal.
Preferably, on the end face that described sealing gasket and vehicle body sheet metal offset, all concentric with described second through hole, inner ring annular groove parallel to each other and outer ring annular groove is offered around described second through hole, in described inner ring annular groove, be provided with 4 cylinders strengthened, wherein the angle at two cylinders of arbitrary neighborhood and the center of described second through hole is 90 °.
Preferably, described cylinder is cylindrical body.
Preferably, described cylinder is made up of rubber material.
Preferably, on the position that described installation ring flat-plate contacts with sealing gasket, multiple vent is offered.
Preferably, described multiple vent is evenly laid along the circumferential direction of described sealing gasket.
Beneficial effect of the present invention is:
(1) the irregular design of the first through hole of vehicle body sheet metal, can avoid on the one hand colliding with of steering shaft and vehicle body, on the other hand, can reduce the aperture of the first through hole, effectively improve sealing effect;
(2) annular groove of sealing gasket end face and the design of cylinder, the decrement of annular groove can be ensured when compression seal pad, and then guarantee sealing effect, reduce the probability that following situation occurs to a great extent: the decrement due to inner ring annular groove is excessive and impurity that is that cause enters commutator inside by the first through hole, and then destroy the element of commutator inside;
(3) install the setting of through hole on ring flat-plate, when making sealing gasket by compression, air is discharged in time by this through hole, thus can not produce pressurized gas between sealing gasket and installation ring flat-plate, further ensures sealing effect.
Accompanying drawing explanation
Fig. 1 shows the structural representation of the steering equipment being equipped with the sealing mechanism that vapour automotive steering gear of the present invention is installed.
Fig. 2 shows the plan view of the steering equipment's (through vehicle body sheet metal) shown in Fig. 1.
Fig. 3 shows in a preferred embodiment of the invention, the sectional shape schematic diagram of the first through hole shown in Fig. 2.
Fig. 4 shows in another preferred embodiment of the present invention, the sectional shape schematic diagram of the first through hole shown in Fig. 2.
Fig. 5 shows the end-face structure schematic diagram of the second through hole matched with the first through hole described in Fig. 4.
Fig. 6 shows the sectional view of the steering equipment shown in Fig. 1 along A-A direction.
Fig. 7 shows the enlarged view at the N place shown in Fig. 6.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
With reference to Fig. 1, Fig. 2 and Fig. 6, the sealing mechanism that described vapour automotive steering gear is installed, comprise sealing gasket 2 and supporting base 3, supporting base 3 is arranged on the housing 4.1 of commutator 4, one end of supporting base 3 in a tubular form is provided with to turning up installs ring flat-plate 3.2, described sealing gasket 2 is against on vehicle body sheet metal 1 under the effect that compresses of installing ring flat-plate 3.2, sealing gasket 2 is connected together with installation ring flat-plate 3.2, particularly, the circumferential surface installing ring flat-plate 3.2 is evenly convexly equipped with 4 fixture blocks 3.3, correspondingly with 4 bayonet sockets 2.4 that the circumferential surface of sealing gasket 2 is arranged is connected together.In addition, described vehicle body sheet metal 1 and sealing gasket 2 offer the first through hole and the second through hole 2.5 respectively, steering shaft 4.2 sequentially runs through the pore of supporting base 3, the second through hole 2.5 and the first through hole and extends in the operator cabin of automobile, and described second through hole 2.5 and the first through hole coincide with one another setting.
Especially, with reference to Fig. 3 and Fig. 4, described first through hole 1.1 comprises the first sub-through hole 1.11 matched with the insertion path of steering shaft 4.2, with described steering shaft withdraw from the second sub-through hole 1.12 that path matches, and make described steering shaft 4.2 move to the intercommunicating pore 1.13 of the second sub-through hole 1.12 from the first sub-through hole 1.11, thus described first through hole 1.1 is an irregular through hole.Further, the sectional shape of described second through hole 2.5 is identical with the sectional shape of the first through hole 1.1.The irregular design of described first through hole 1.1, can avoid on the one hand colliding with of steering shaft 4.2 and vehicle body, on the other hand, this kind of design can reduce the aperture of the first through hole 1.1, effectively improves sealing effect.
In a preferred embodiment of the invention, as shown in Figure 3, the insertion path of described steering shaft 4.2 and withdraw from path and be the straight line path that the plane offering the first through hole 1.1 with described vehicle body sheet metal 1 is a tilt angle alpha, tilt angle alpha ≠ 90 °, the insertion path of described steering shaft 4.2 and to withdraw from path parallel to each other; The aperture of described first sub-through hole 1.11 is equal with the aperture of the second sub-through hole 1.12, and described first through hole 1.1 is the waist shaped hole of an inclination.
In another preferred embodiment of the present invention, as shown in Figure 4, the insertion path of described steering shaft 4.2 and withdraw from path and be the straight line path that the plane offering the first through hole 1.1 with described vehicle body sheet metal 1 is a tilt angle alpha, tilt angle alpha ≠ 90 °, the insertion path of described steering shaft 4.2 and to withdraw from path parallel to each other.In addition, due in practical operation, action when steering shaft is withdrawn from is larger than action when inserting, and therefore does following improvement: the aperture of described first sub-through hole 1.11 is less than the aperture of the second sub-through hole 1.12.Wherein, the aperture of described first sub-through hole, than the aperture 3 ~ 5mm of the second sub-through hole 1.12, is preferably 4mm.
In addition, in order to increase the sealing effect of sealing mechanism further, on the end face that described sealing gasket 2 and vehicle body sheet metal 1 offset, all concentric, parallel to each other with described second through hole 2.5 multiple annular grooves are offered around described second through hole 2.5, in the annular groove near described second through hole 2.5, be provided with the cylinder 2.3 of multiple reinforcement, wherein two cylinders 2.3 of arbitrary neighborhood are equal with the angle at the center 2.1 of described second through hole 2.5.Especially, the cell wall shape of annular groove described in each is all identical with the shape of hole wall of described second through hole 2.5, and described in each, width of annular groove is equal.
In a preferred embodiment of the invention, with reference to Fig. 2 and Fig. 5, on the end face that described sealing gasket 2 and vehicle body sheet metal 1 offset, all concentric with described second through hole 2.5, inner ring annular groove 2.21 parallel to each other and outer ring annular groove 2.22 is offered around described second through hole 2.5, in described inner ring annular groove 2.21, be provided with 4 cylinders 2.3 strengthened, wherein two cylinders 2.3 of arbitrary neighborhood are 90 ° with the angle at the center 2.1 of described second through hole 2.5.In addition, described cylinder 2.3 is cylindrical body 2.3, and is preferably made up of rubber material.The annular groove of the end face of sealing gasket 2 and the design of solid cylinder 2.3, make the decrement that can ensure annular groove when sealing gasket 2 compresses, and then guarantee sealing effect, reduce the probability that following situation occurs to a great extent: the decrement due to inner ring annular groove 2.21 is excessive and impurity that is that cause enters commutator inside by the first through hole 1.1, and then destroy the element of commutator inside.
Further, for overcoming the defect pointed out in prior art: " sealing gasket 2 is inner forms airtight space with supporting base 3; confined space gas by compression produces the active force offseted with compressive force; in a disguised form add the rigidity of sealing gasket 2; cause sealing effect bad ", as shown in Figure 6 and Figure 7, on the position that described installation ring flat-plate 3.2 contacts with sealing gasket 2, multiple vent 3.1 is offered.Preferably, described multiple vent 3.1 is evenly laid along the circumferential direction of described sealing gasket 2.The setting of described through hole, when making sealing gasket 2 by compression, air is discharged in time by this through hole, can not produce pressurized gas, further ensure sealing effect between sealing gasket 2 and installation ring flat-plate 3.2.
Structure of the present invention, feature and action effect is described in detail above according to graphic shown embodiment; the foregoing is only preferred embodiment of the present invention; but the present invention does not limit practical range with shown in drawing; every change done according to conception of the present invention; or be revised as the Equivalent embodiments of equivalent variations; do not exceed yet specification with diagram contain spiritual time, all should in protection scope of the present invention.
Claims (11)
1. the sealing mechanism of a vapour automotive steering gear installation, comprise sealing gasket and supporting base, one end of supporting base in a tubular form is provided with installation ring flat-plate to turning up, described sealing gasket is against on vehicle body sheet metal under the effect that compresses of installing ring flat-plate, described vehicle body sheet metal and sealing gasket offer the first through hole and the second through hole respectively, and the pore that steering shaft sequentially runs through supporting base and the second through hole coincided with one another and the first through hole extend in the operator cabin of automobile; It is characterized in that:
Described first through hole comprises the first sub-through hole matched with the insertion path of steering shaft, with described steering shaft withdraw from the second sub-through hole that path matches, and make described steering shaft move to the intercommunicating pore of the second sub-through hole from the first sub-through hole; Further, the sectional shape of described second through hole is identical with the sectional shape of the first through hole; On the end face that described sealing gasket and vehicle body sheet metal offset, all concentric, parallel to each other with described second through hole multiple annular grooves are offered around described second through hole, in the annular groove near described second through hole, be provided with the cylinder of multiple reinforcement, wherein two cylinders of arbitrary neighborhood are equal with the angle at the center of described second through hole.
2. the sealing mechanism of vapour automotive steering gear installation according to claim 1, it is characterized in that: the insertion path of described steering shaft and withdraw from path and be the straight line path that the plane offering the first through hole with described vehicle body sheet metal be a tilt angle alpha, the insertion path of described steering shaft is with to withdraw from path parallel to each other; The aperture of described first sub-through hole is equal with the aperture of the second sub-through hole, and described first through hole is the waist shaped hole of an inclination.
3. the sealing mechanism of vapour automotive steering gear installation according to claim 1, it is characterized in that: the insertion path of described steering shaft and withdraw from path and be the straight line path that the plane offering the first through hole with described vehicle body sheet metal be a tilt angle alpha, the insertion path of described steering shaft is with to withdraw from path parallel to each other; The aperture of described first sub-through hole is less than the aperture of the second sub-through hole.
4. the sealing mechanism of vapour automotive steering gear installation according to claim 3, is characterized in that: the aperture 3 ~ 5mm less of the aperture of the second sub-through hole of described first sub-through hole.
5. the sealing mechanism of vapour automotive steering gear installation according to claim 4, is characterized in that: the aperture 4mm less of the aperture of the second sub-through hole of described first sub-through hole.
6. the sealing mechanism of vapour automotive steering gear installation according to claim 1, is characterized in that: the cell wall shape of annular groove described in each is all identical with the shape of hole wall of described second through hole, and described in each, width of annular groove is equal.
7. the sealing mechanism of vapour automotive steering gear installation according to claim 1, it is characterized in that: on the end face that described sealing gasket and vehicle body sheet metal offset, all concentric with described second through hole, inner ring annular groove parallel to each other and outer ring annular groove is offered around described second through hole, in described inner ring annular groove, be provided with 4 cylinders strengthened, wherein the angle at two cylinders of arbitrary neighborhood and the center of described second through hole is 90 °.
8. the sealing mechanism of vapour automotive steering gear installation according to claim 1, is characterized in that: described cylinder is cylindrical body.
9. the sealing mechanism of vapour automotive steering gear installation according to claim 1, is characterized in that: described cylinder is made up of rubber material.
10. the sealing mechanism of vapour automotive steering gear installation as claimed in any of claims 1 to 5, is characterized in that: on the position that described installation ring flat-plate contacts with sealing gasket, offer multiple vent.
The sealing mechanism that 11. vapour automotive steering gears according to claim 10 are installed, is characterized in that: described multiple vent is evenly laid along the circumferential direction of described sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310216709.0A CN103291928B (en) | 2013-06-03 | 2013-06-03 | The sealing mechanism that a kind of vapour automotive steering gear is installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310216709.0A CN103291928B (en) | 2013-06-03 | 2013-06-03 | The sealing mechanism that a kind of vapour automotive steering gear is installed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103291928A CN103291928A (en) | 2013-09-11 |
| CN103291928B true CN103291928B (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310216709.0A Active CN103291928B (en) | 2013-06-03 | 2013-06-03 | The sealing mechanism that a kind of vapour automotive steering gear is installed |
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| CN (1) | CN103291928B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581918A (en) * | 2018-04-23 | 2018-09-28 | 武汉华星光电技术有限公司 | jig |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202484307U (en) * | 2012-03-14 | 2012-10-10 | 安徽江淮汽车股份有限公司 | Sealing mechanism for installation for automobile steering device |
| DE102011105449A1 (en) * | 2011-06-22 | 2012-12-27 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Double-walled annular seal element for sealing gap between passage opening in front wall and shaft of steering of motor car, has radial pre-tensioned inner sealing rings biasing against shaft and assigned with respective sealing diaphragms |
| CN202790539U (en) * | 2012-09-24 | 2013-03-13 | 安徽江淮汽车股份有限公司 | Sealing mechanism of installation of automobile steering device and automobile body |
| CN203322264U (en) * | 2013-06-03 | 2013-12-04 | 安徽江淮汽车股份有限公司 | Sealing mechanism for mounting steering gear of automobile |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0283166U (en) * | 1988-12-19 | 1990-06-27 | ||
| JPH10129507A (en) * | 1996-10-25 | 1998-05-19 | Kinugawa Rubber Ind Co Ltd | Steering cover for automobile |
| JP3566021B2 (en) * | 1997-03-07 | 2004-09-15 | ダイハツ工業株式会社 | Column hole cover structure of steering shaft |
| JP5188776B2 (en) * | 2007-10-23 | 2013-04-24 | キーパー株式会社 | Steering dust cover |
| JP2010274820A (en) * | 2009-05-29 | 2010-12-09 | Toyota Motor Corp | Hole cover of steering device |
-
2013
- 2013-06-03 CN CN201310216709.0A patent/CN103291928B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011105449A1 (en) * | 2011-06-22 | 2012-12-27 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Double-walled annular seal element for sealing gap between passage opening in front wall and shaft of steering of motor car, has radial pre-tensioned inner sealing rings biasing against shaft and assigned with respective sealing diaphragms |
| CN202484307U (en) * | 2012-03-14 | 2012-10-10 | 安徽江淮汽车股份有限公司 | Sealing mechanism for installation for automobile steering device |
| CN202790539U (en) * | 2012-09-24 | 2013-03-13 | 安徽江淮汽车股份有限公司 | Sealing mechanism of installation of automobile steering device and automobile body |
| CN203322264U (en) * | 2013-06-03 | 2013-12-04 | 安徽江淮汽车股份有限公司 | Sealing mechanism for mounting steering gear of automobile |
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| CN103291928A (en) | 2013-09-11 |
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Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |
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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230022 No. 176 Dongliu Road, Hefei City, Anhui Province Patentee before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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