CN203322264U - Sealing mechanism for mounting steering gear of automobile - Google Patents
Sealing mechanism for mounting steering gear of automobile Download PDFInfo
- Publication number
- CN203322264U CN203322264U CN2013203153230U CN201320315323U CN203322264U CN 203322264 U CN203322264 U CN 203322264U CN 2013203153230 U CN2013203153230 U CN 2013203153230U CN 201320315323 U CN201320315323 U CN 201320315323U CN 203322264 U CN203322264 U CN 203322264U
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- hole
- commutator
- sub
- sealing mechanism
- steering shaft
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Abstract
The utility model discloses a sealing mechanism for mounting a steering gear of an automobile. The sealing mechanism comprises a sealing gasket and a supporting seat. A mounting annular plate is arranged at one end of the tubular supporting seat in an outwardly turned manner, the sealing gasket is abutted onto an automobile body metal plate under the abutting effect of the mounting annular plate, a first through hole and a second through hole are respectively formed in the automobile body metal plate and the sealing gasket, a steering shaft sequentially penetrates a tube hole of the supporting seat, the first through hole and the second through hole to extend into a cab of the automobile, and the first through hole and the second through hole are coincided with each other; the first through hole comprises a first auxiliary through hole, a second auxiliary through hole and a communicating hole, the first auxiliary through hole is matched with an insertion path of the steering shaft, the second auxiliary through hole is matched with a withdrawal path of an output shaft, and the steering shaft can move from the first auxiliary through hole to the second auxiliary through hole under the effect of the communicating hole; the shape of the section of the second through hole is identical to that of the section of the first through hole. The sealing mechanism has the advantage that owing to the irregular design of the first through hole in the automobile body metal plate, circular grooves in an end surface of the sealing gasket, reinforcing columns and the design of air holes in the mounting annular plate, a sealing effect of the sealing mechanism can be effectively improved.
Description
Technical field
The utility model relates to the automobile steering device technology field, relates in particular to the sealing mechanism that a kind of automobile is installed with commutator.
Background technique
The turning function of automobile is realized by steering system, steering system is comprised of steering wheel, steering column, commutator etc., steering wheel and steering column are assemblied in operator cabin inside usually, commutator is assemblied in engine compartment, need to be at the vehicle body via hole when steering column is connected with steering gear input shaft, because operator cabin has seal request, so via hole herein needs encapsulation process usually.
The sealing mechanism that commutator at present commonly used 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, the boring structure, be provided with damping ring, lower end is inserted on supporting base, buckle and supporting base locking for circumference, supporting base is arranged on steering gear housing, by coordinating between the sealing gasket of vehicle body sheet metal and commutator realizing sealing, even the sealing gasket compressive strain of quality of rubber materials produces impacting force, thereby 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 the active force that γ-ray emission by compression of confined space and compressive force offset has in a disguised form increased 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 common and vertical surface (XZ face) is angled, because commutator first is fixed on subframe, by subframe and vehicle body, join again, now steering gear input shaft (steering shaft) is connected with steering column through the vehicle body sheet metal hole, completes the assembling of commutator.When commutator need to be dismantled from car load, there are two kinds of methods to realize, first method is first the subframe band to be dismantled steering assembly, then commutator is disassembled from subframe, the method dismounting is complicated and the time is long; Second method is not dismantle subframe, and the commutator construction bolt is unclamped and directly commutator laterally extracted out afterwards, and due to steering gear input shaft, through the vehicle body sheet metal hole, this kind of method needs the vehicle body setting than big hole, steering gear input shaft to be passed through.This defect easily causes the 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 utility model will solve the bad demounting procedure problem with simplifying commutator of sealing effect of sealing gasket.
The model utility content
The purpose of this utility model is to overcome the not good problem of automobile steering device sealing effect in prior art, the sealing mechanism that provides a kind of automobile to install with commutator.
For achieving the above object, the sealing mechanism that described automobile is installed with commutator, comprise sealing gasket and supporting base, one end of supporting base in a tubular form is provided with the installation ring flat-plate to turning up, described sealing gasket is against on vehicle body sheet metal under the effect that compresses that ring flat-plate is installed, offer respectively the first through hole and the second through hole on described vehicle body sheet metal and sealing gasket, the second through hole and the first through hole that steering shaft sequentially runs through the pore of supporting base and coincidence each other extend in the operator cabin of automobile; Be characterized in,
Described the first through hole comprises the first sub-through hole that the insertion path with steering shaft is complementary, and with the second sub-through hole that path is complementary of withdrawing from of described steering shaft, and makes described steering shaft move to the intercommunicating pore of the second sub-through hole from the first sub-through hole; And,
The sectional shape of described the 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 that offers the first through hole with described vehicle body sheet metal is a tilt angle alpha, the insertion path of described steering shaft and to withdraw from path parallel to each other; The aperture of described the first sub-through hole equates with the aperture of the second sub-through hole, the waist shaped hole that described the first through hole is an inclination.
Preferably, the insertion path of described steering shaft and withdraw from path and be the straight line path that the plane that offers the first through hole with described vehicle body sheet metal is a tilt angle alpha, the insertion path of described steering shaft and to withdraw from path parallel to each other; The aperture of described the first sub-through hole is less than the aperture of the second sub-through hole.
Preferably, the little 3～5mm in aperture of the aperture ratio second sub-through hole of described the first sub-through hole.
Preferably, the little 4mm in aperture of the aperture ratio second sub-through hole of described the first sub-through hole.
Preferably, on the end face offseted at described sealing gasket and vehicle body sheet metal, offer all, a plurality of annular grooves of parallel to each other concentric with described the second through hole around described the second through hole, at the cylinder near being provided with a plurality of reinforcement use in the annular groove of described the second through hole, wherein two of arbitrary neighborhood cylinders equate with the angle at the center of described the second through hole.
Preferably, the cell wall shape of each described annular groove is all identical with the shape of hole wall of described the second through hole, and the width of each described annular groove equates.
Preferably, on the end face offseted at described sealing gasket and vehicle body sheet metal, around described the second through hole, offer all and concentric, the parallel to each other inner ring annular groove of described the second through hole and outer ring annular groove, be provided with the cylinder of 4 reinforcement use in described inner ring annular groove, wherein the angle at the center of two of arbitrary neighborhood cylinders and described the second through hole is 90 °.
Preferably, described cylinder is cylindrical body.
Preferably, described cylinder is made by rubber material.
Preferably, on described installation ring flat-plate and the contacted position of sealing gasket, offer a plurality of vents.
Preferably, described a plurality of vent is evenly laid along the circumferential direction of described sealing gasket.
The beneficial effects of the utility model are:
(1) the irregular design of the first through hole of vehicle body sheet metal, can avoid colliding with of steering shaft and vehicle body on the one hand, on the other hand, can dwindle the aperture of the first through hole, effectively improves sealing effect;
(2) design of the annular groove of sealing gasket end face and cylinder, can guarantee the decrement of annular groove when the compression seal pad, and then assurance sealing effect, reduced to a great extent the probability that following situation occurs: because the excessive impurity caused of the decrement of inner ring annular groove enters commutator inside by the first through hole, and then the element of destruction commutator inside;
(3) setting of through hole on ring flat-plate is installed, while making sealing gasket by compression, air can be discharged in time by this through hole, thereby can not produce pressurized gas between sealing gasket and installation ring flat-plate, has further guaranteed sealing effect.
The accompanying drawing explanation
Fig. 1 shows and is equipped with the structural representation of automobile described in the utility model with the steering equipment of the sealing mechanism of commutator installation.
Fig. 2 shows the plan view of the steering equipment shown in Fig. 1 (seeing through vehicle body sheet metal).
Fig. 3 shows in a preferred embodiment of the present utility model, the sectional shape schematic diagram of the first through hole shown in Fig. 2.
Fig. 4 shows in another preferred embodiment of the present utility model, 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 be complementary with the first through hole described in Fig. 4.
Fig. 6 shows the sectional view of the steering equipment shown in Fig. 1 along the A-A direction.
Fig. 7 shows the enlarged view at the N place shown in Fig. 6.
Embodiment
Below describe embodiment of the present utility model in detail, described embodiment's example is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
With reference to Fig. 1, Fig. 2 and Fig. 6, the sealing mechanism that described automobile is installed with commutator, 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 that ring flat-plate 3.2 is installed, sealing gasket 2 and installation ring flat-plate 3.2 engagement connections, particularly, evenly convex with 4 fixture blocks 3.3 installing on the circumferential surface of ring flat-plate 3.2, with 4 corresponding engagement connections of bayonet socket 2.4 that arrange on the circumferential surface of sealing gasket 2.In addition, offer respectively the first through hole and the second through hole 2.5 on described vehicle body sheet metal 1 and sealing gasket 2, pore, the second through hole 2.5 and the first through hole that steering shaft 4.2 sequentially runs through supporting base 3 extend in the operator cabin of automobile, and described the second through hole 2.5 and the first through hole overlap setting each other.
Especially, with reference to Fig. 3 and Fig. 4, described the first through hole 1.1 comprises the first sub-through hole 1.11 that the insertion path with steering shaft 4.2 is complementary, the the second sub-through hole 1.12 that path is complementary of withdrawing from described steering shaft, 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, thereby described the first through hole 1.1 is an irregular through hole.And the sectional shape of described the second through hole 2.5 is identical with the sectional shape of the first through hole 1.1.The irregular design of described the first through hole 1.1, can avoid colliding with of steering shaft 4.2 and vehicle body on the one hand, and on the other hand, this kind of design can be dwindled the aperture of the first through hole 1.1, effectively improves sealing effect.
In a preferred embodiment of the present utility model, 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 that offers 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 the described first sub-through hole 1.11 equates with the aperture of the second sub-through hole 1.12, the waist shaped hole that described the first through hole 1.1 is an inclination.
In another preferred embodiment of the present utility model, 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 that offers 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, in practical operation, action when action ratio when steering shaft is withdrawn from inserts is larger, and therefore do following improvement: the aperture of the described first sub-through hole 1.11 is less than the aperture of the second sub-through hole 1.12.Wherein, the aperture 3～5mm of the sub-through hole 1.12 of aperture ratio second of the described first sub-through hole 1.11, be preferably 4mm.
In addition, in order further to increase the sealing effect of sealing mechanism, on the end face offseted at described sealing gasket 2 and vehicle body sheet metal 1, offer all, a plurality of annular grooves of parallel to each other concentric with described the second through hole 2.5 around described the second through hole 2.5, at the cylinder 2.3 near being provided with a plurality of reinforcement use in the annular groove of described the second through hole 2.5, wherein two of arbitrary neighborhood cylinders 2.3 equate with the angle at described the second through hole 2.5De center 2.1.Especially, the cell wall shape of each described annular groove is all identical with the shape of hole wall of described the second through hole 2.5, and the width of each described annular groove equates.
In a preferred embodiment of the present utility model, with reference to Fig. 2 and Fig. 5, on the end face offseted at described sealing gasket 2 and vehicle body sheet metal 1, around described the second through hole 2.5, offer all and concentric, the parallel to each other inner ring annular groove 2.21 of described the second through hole 2.5 and outer ring annular groove 2.22, be provided with the cylinder 2.3 of 4 reinforcement use in described inner ring annular groove 2.21, wherein two of arbitrary neighborhood cylinders 2.3 are 90 ° with the angle at described the second through hole 2.5De center 2.1.In addition, described cylinder 2.3 is cylindrical body 2.3, and preferably by rubber material, is made.The design of the annular groove of the end face of sealing gasket 2 and solid cylinder 2.3, make the decrement that can guarantee annular groove when sealing gasket 2 compression, and then assurance sealing effect, reduced to a great extent the probability that following situation occurs: because the excessive impurity caused of the decrement of inner ring annular groove 2.21 enters commutator inside by the first through hole 1.1, and then the element of destruction commutator inside.
Further, for overcoming the defect of pointing out in prior art: " sealing gasket 2 is inner forms airtight space with supporting base 3; active force that γ-ray emission by compression of confined space and compressive force offset; in a disguised form increased the rigidity of sealing gasket 2; cause the sealing effect bad ", as shown in Figure 6 and Figure 7, on described installation ring flat-plate 3.2 and the contacted position of sealing gasket 2, offer a plurality of vents 3.1.Preferably, described a plurality of vent 3.1 is evenly laid along the circumferential direction of described sealing gasket 2.The setting of described through hole, while making sealing gasket 2 by compression, air can be discharged in time by this through hole, between sealing gasket 2 and installation ring flat-plate 3.2, can not produce pressurized gas, has further guaranteed sealing effect.
Embodiment shown in above foundation is graphic describes structure of the present utility model, feature and action effect in detail; the foregoing is only preferred embodiment of the present utility model; but the utility model does not limit practical range with shown in drawing; every change of doing according to conception of the present utility model; or be revised as the equivalent embodiment of equivalent variations; when not exceeding yet specification and illustrating contain spiritual, all should be in protection domain of the present utility model.
Claims (12)
1. the sealing mechanism that an automobile is installed with commutator, comprise sealing gasket and supporting base, one end of supporting base in a tubular form is provided with the installation ring flat-plate to turning up, described sealing gasket is against on vehicle body sheet metal under the effect that compresses that ring flat-plate is installed, offer respectively the first through hole and the second through hole on described vehicle body sheet metal and sealing gasket, the second through hole and the first through hole that steering shaft sequentially runs through the pore of supporting base and coincidence each other extend in the operator cabin of automobile; It is characterized in that:
Described the first through hole comprises the first sub-through hole that the insertion path with steering shaft is complementary, and with the second sub-through hole that path is complementary of withdrawing from of described steering shaft, and makes described steering shaft move to the intercommunicating pore of the second sub-through hole from the first sub-through hole; And,
The sectional shape of described the second through hole is identical with the sectional shape of the first through hole.
2. the sealing mechanism that automobile according to claim 1 is installed with commutator, 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 that offers the first through hole with described vehicle body sheet metal is a tilt angle alpha, the insertion path of described steering shaft and to withdraw from path parallel to each other; The aperture of described the first sub-through hole equates with the aperture of the second sub-through hole, the waist shaped hole that described the first through hole is an inclination.
3. the sealing mechanism that automobile according to claim 1 is installed with commutator, 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 that offers the first through hole with described vehicle body sheet metal is a tilt angle alpha, the insertion path of described steering shaft and to withdraw from path parallel to each other; The aperture of described the first sub-through hole is less than the aperture of the second sub-through hole.
4. the sealing mechanism that automobile according to claim 3 is installed with commutator, is characterized in that: the little 3～5mm in aperture of the aperture ratio second sub-through hole of described the first sub-through hole.
5. the sealing mechanism that automobile according to claim 4 is installed with commutator, is characterized in that: the little 4mm in aperture of the aperture ratio second sub-through hole of described the first sub-through hole.
6. the sealing mechanism of installing with commutator according to the described automobile of any one in claim 1 to 5 is characterized in that:
On the end face offseted at described sealing gasket and vehicle body sheet metal, offer all, a plurality of annular grooves of parallel to each other concentric with described the second through hole around described the second through hole, at the cylinder near being provided with a plurality of reinforcement use in the annular groove of described the second through hole, wherein two of arbitrary neighborhood cylinders equate with the angle at the center of described the second through hole.
7. the sealing mechanism that automobile according to claim 6 is installed with commutator, it is characterized in that: the cell wall shape of each described annular groove is all identical with the shape of hole wall of described the second through hole, and the width of each described annular groove equates.
8. the sealing mechanism that automobile according to claim 6 is installed with commutator, it is characterized in that: on the end face offseted at described sealing gasket and vehicle body sheet metal, around described the second through hole, offer all and concentric, the parallel to each other inner ring annular groove of described the second through hole and outer ring annular groove, be provided with the cylinder of 4 reinforcement use in described inner ring annular groove, wherein the angle at the center of two of arbitrary neighborhood cylinders and described the second through hole is 90 °.
9. the sealing mechanism that automobile according to claim 6 is installed with commutator, it is characterized in that: described cylinder is cylindrical body.
10. the sealing mechanism that automobile according to claim 6 is installed with commutator, it is characterized in that: described cylinder is made by rubber material.
11. the sealing mechanism of installing with commutator according to the described automobile of any one in claim 1 to 5, is characterized in that: on described installation ring flat-plate and the contacted position of sealing gasket, offer a plurality of vents.
12. the sealing mechanism that automobile according to claim 11 is installed with commutator, it is characterized in that: described a plurality of vents are evenly laid along the circumferential direction of described sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203153230U CN203322264U (en) | 2013-06-03 | 2013-06-03 | Sealing mechanism for mounting steering gear of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203153230U CN203322264U (en) | 2013-06-03 | 2013-06-03 | Sealing mechanism for mounting steering gear of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203322264U true CN203322264U (en) | 2013-12-04 |
Family
ID=49661616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203153230U Withdrawn - After Issue CN203322264U (en) | 2013-06-03 | 2013-06-03 | Sealing mechanism for mounting steering gear of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203322264U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291928A (en) * | 2013-06-03 | 2013-09-11 | 安徽江淮汽车股份有限公司 | Sealing mechanism for mounting automotive steering gear |
| CN109204441A (en) * | 2018-09-20 | 2019-01-15 | 三汽车制造有限公司 | Driver, steering transmission linkage, driver's cabin and engineering machinery |
-
2013
- 2013-06-03 CN CN2013203153230U patent/CN203322264U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291928A (en) * | 2013-06-03 | 2013-09-11 | 安徽江淮汽车股份有限公司 | Sealing mechanism for mounting automotive steering gear |
| CN103291928B (en) * | 2013-06-03 | 2016-02-10 | 安徽江淮汽车股份有限公司 | The sealing mechanism that a kind of vapour automotive steering gear is installed |
| CN109204441A (en) * | 2018-09-20 | 2019-01-15 | 三汽车制造有限公司 | Driver, steering transmission linkage, driver's cabin and engineering machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20160210 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |