CN216382559U - Steering transmission device and wall-passing sealing structure of steering transmission shaft thereof - Google Patents
Steering transmission device and wall-passing sealing structure of steering transmission shaft thereof Download PDFInfo
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- CN216382559U CN216382559U CN202120984184.5U CN202120984184U CN216382559U CN 216382559 U CN216382559 U CN 216382559U CN 202120984184 U CN202120984184 U CN 202120984184U CN 216382559 U CN216382559 U CN 216382559U
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Abstract
The utility model belongs to the technical field of special vehicles and discloses a steering transmission device and a wall-passing sealing structure of a steering transmission shaft thereof; the steering transmission shaft wall-passing sealing structure comprises: the device comprises a sealing sleeve, a pressure plate, a fastener, an annular locking piece and a mounting base; the mounting base is provided with a sealing containing through hole for containing an angle driver of the steering transmission shaft, the periphery of the end part of the sealing containing through hole is provided with a sealing surface, and the mounting base is provided with a main body sealing part connected with the vehicle floor; the seal cover includes: the sealing sleeve and the sealing washer are radially and integrally formed at the top end of the self-sealing sleeve; the sealing washer is pressed on the sealing surface through the pressing plate and is locked through the fastening piece; the inner wall of the sealing sleeve is provided with a sealing profile which can be adapted to the outer wall of the angle driver, and the annular locking piece is sleeved outside the sealing sleeve. The steering transmission device and the wall-passing sealing structure of the steering transmission shaft can realize waterproof sealing.
Description
Technical Field
The utility model relates to the technical field of special vehicles, in particular to a steering transmission device and a steering transmission shaft wall-passing sealing structure thereof.
Background
At present, most of steering transmission devices of off-road vehicles, special vehicles, commercial vehicles and the like are in a non-waterproof sealing mode and are communicated with the outside at the bottom of a cockpit. The structural form can meet the use requirement of a general environment. However, since the conventional steering transmission device is difficult to satisfy the waterproof sealing requirement, the use of the conventional steering transmission device is limited to a certain extent in the use occasions where the waterproof sealing requirement is high, such as when the floor of the cockpit is lower than the wading water level.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steering transmission device and a steering transmission shaft wall-passing sealing structure thereof, which solve the technical problem of poor sealing and waterproof performance of the steering transmission device of a special vehicle in the prior art.
In order to solve the above technical problem, the present invention provides a through-wall sealing structure of a steering transmission shaft, comprising: the device comprises a sealing sleeve, a pressure plate, a fastener, an annular locking piece and a mounting base;
the mounting base is provided with a sealing accommodating through hole for accommodating an angle driver of the steering transmission shaft, the periphery of the end part of the sealing accommodating through hole is provided with a sealing surface, and the mounting base is provided with a main body sealing part connected with a vehicle floor;
the seal cartridge includes: the sealing device comprises a sealing sleeve and a sealing gasket which is formed in an integrated mode from the top end of the sealing sleeve in the radial direction;
the sealing gasket is pressed on the sealing surface through the pressure plate and is locked through the fastener;
the inner wall of the sealing sleeve is provided with a sealing profile which can be matched with the outer wall of the angle driver, and the annular locking piece is sleeved outside the sealing sleeve.
Furthermore, a raised sealing ring is arranged on the bottom surface of the sealing washer, and the sealing ring is tightly pressed on the sealing surface.
Furthermore, a sealing groove is formed in the sealing surface, and the sealing ring is embedded in the sealing groove.
Furthermore, a sealing sinking platform is arranged on the mounting base, and the sealing surface is arranged on the bottom surface of the sealing sinking platform.
Furthermore, an internal thread groove hole is formed in the bottom surface of the sinking platform, bolt through holes are formed in the pressing plate and the sealing gasket, and the fastening piece is a headed bolt;
the headed bolt penetrates through the bolt through hole and is in threaded connection with the inner thread slotted hole, and the pressing plate and the sealing washer are pressed tightly.
Further, the internal thread slot is disposed between the counter side wall and the sealing groove.
Further, the mounting base is integrally formed on the vehicle floor at the main body sealing portion.
Further, the annular locking member is a hoop.
A kind of steering drive shaft device, adopt the said steering drive shaft to cross the wall seal structure;
the sealing sleeve is sleeved outside the angle driver and is pressed tightly through the annular locking piece.
Furthermore, the outer wall surface of the angle driver is provided with a radial protrusion, and the upper edge of the annular locking piece is close to the lower edge of the radial protrusion to press the sealing sleeve on the angle driver.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the steering transmission device and the wall-passing sealing structure of the steering transmission shaft thereof provided by the embodiment of the application form a three-dimensional sealing structure on the vehicle floor through the sealing sleeve, the pressing plate, the fastening piece, the annular locking piece and the mounting base, and complete sealing is realized by matching with the angle driver for accommodating the steering transmission shaft. Specifically, the sealing sleeve comprises a sealing sleeve and a sealing gasket which is radially and integrally formed from the top end of the sealing sleeve, and the sealing gasket is respectively jointed with a vehicle bottom plate and the outer wall of an angle driver of the steering transmission shaft, so that the isolation sealing of a connecting gap is realized around the angle driver; the inner wall of the sealing sleeve is provided with a sealing profile which can be matched with the outer wall of the angle driver, and the annular locking piece is sleeved outside the sealing sleeve so as to contact the outer wall of the sealing angle driver and realize upper space sealing; complete waterproof sealing is realized.
Drawings
FIG. 1 is an assembled schematic view of a steering drive shaft through-wall seal arrangement provided by an embodiment of the present invention;
fig. 2 is an exploded view of a steering transmission shaft through-wall sealing structure according to an embodiment of the present invention.
Detailed Description
The embodiment of the application solves the technical problem that the sealing and waterproof performance of the steering transmission device of a special vehicle in the prior art is poor by providing the steering transmission device and the wall-passing sealing structure of the steering transmission shaft thereof.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the specification, and it should be understood that the embodiments and specific features of the embodiments of the present invention are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features of the embodiments and examples of the present application may be combined with each other without conflict.
Referring to fig. 1 and 2, a steering transmission shaft through-wall sealing structure includes: seal cover 4, clamp plate 3, fastener 5, annular retaining member 6 and mounting base 2.
Specifically, a sealing accommodating through hole for accommodating an angle driver 7 of the steering transmission shaft is formed in the mounting base 2, a sealing surface is formed around the end of the sealing accommodating through hole, and the mounting base 2 is provided with a main body sealing part connected with the vehicle floor 1; it is worth to say that a window for the angle driver 7 to pass through is formed in the vehicle floor 1, and the sealing accommodating through hole is in butt joint with the window and contacts with the peripheral area of the sealer; the structure can be realized by a sealing gasket, a sealing groove and the like; the installation base 2 can be directly formed in one step, and extra gaps are directly avoided.
The sealing sleeve 4 comprises: the sealing device comprises a sealing sleeve and a sealing gasket which is formed in an integrated mode from the top end of the sealing sleeve in the radial direction; the sealing gasket is pressed on the sealing surface through the pressure plate 3 and is locked through the fastening piece 5; thereby realizing the sealing with the vehicle bottom plate 1.
The inner wall of the sealing sleeve is provided with a sealing profile which can be matched with the outer wall of the angle driver 7, and the annular locking piece 6 is sleeved outside the sealing sleeve, so that the angle driver 7 is directly contacted and sealed after assembly; so that the gap created by the passage through the angle drive 7 is completely sealed off, and a strict water-tightness is achieved.
In order to improve the reliability of contact sealing, a raised sealing ring a is arranged on the bottom surface of the sealing washer, and the sealing ring a is pressed on the sealing surface.
In order to further enhance the waterproof effect, a sealing groove is formed on the sealing surface, and the sealing ring a is embedded in the sealing groove.
In order to protect the sealing structure, a sealing sinking platform is arranged on the mounting base 2, and the sealing surface is arranged on the bottom surface of the sealing sinking platform, so that the sealing structure is protected, and the sealing effect is prevented from being influenced by unnecessary disturbance.
In this embodiment, the fastener 5 is a headed bolt; in a matching way, the bottom surface of the sinking platform is provided with an internal thread groove hole, and the pressing plate 3 and the sealing gasket are both provided with bolt through holes; the headed bolt penetrates through the bolt through hole and is in threaded connection with the inner thread slotted hole, and the pressing plate 3 and the sealing washer are pressed tightly.
Of course, the present embodiments provide only exemplary illustrations and do not preclude other possible fastener options.
In order to ensure the sealing effect, the internal thread slotted hole is arranged between the side wall of the sinking platform and the sealing groove, so that the integrity of the contact sealing part of the sealing gasket is prevented from being damaged.
In this embodiment, the annular locking member 6 is a hoop; other fasteners that achieve circular locking are also possible.
The embodiment also provides a steering transmission shaft device based on the sealing structure, and the steering transmission shaft is adopted to pass through the wall sealing structure; the sealing sleeve is sleeved outside the angle driver 7 and is pressed tightly through the annular locking piece 6.
In order to further improve the sealing effect, the outer wall surface of the angle driver 7 is provided with radial projections b, and the upper edge of the annular locking piece 6 presses the sealing sleeve against the angle driver 7 near the lower edge of the radial projections b.
Generally speaking, for the angle drive 7 to be fixed to the vehicle body by means of the angle drive mounting bracket 8, a stable contact seal is ensured.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the steering transmission device and the wall-passing sealing structure of the steering transmission shaft thereof provided by the embodiment of the application form a three-dimensional sealing structure on the vehicle floor through the sealing sleeve, the pressing plate, the fastening piece, the annular locking piece and the mounting base, and complete sealing is realized by matching with the angle driver for accommodating the steering transmission shaft. Specifically, the sealing sleeve comprises a sealing sleeve and a sealing gasket which is radially and integrally formed from the top end of the sealing sleeve, and the sealing gasket is respectively jointed with a vehicle bottom plate and the outer wall of an angle driver of the steering transmission shaft, so that the isolation sealing of a connecting gap is realized around the angle driver; the inner wall of the sealing sleeve is provided with a sealing profile which can be matched with the outer wall of the angle driver, and the annular locking piece is sleeved outside the sealing sleeve so as to contact the outer wall of the sealing angle driver and realize upper space sealing; complete waterproof sealing is realized.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A steering transmission shaft through-wall seal structure, comprising: the device comprises a sealing sleeve, a pressure plate, a fastener, an annular locking piece and a mounting base;
the mounting base is provided with a sealing accommodating through hole for accommodating an angle driver of the steering transmission shaft, the periphery of the end part of the sealing accommodating through hole is provided with a sealing surface, and the mounting base is provided with a main body sealing part connected with a vehicle floor;
the seal cartridge includes: the sealing device comprises a sealing sleeve and a sealing gasket which is formed in an integrated mode from the top end of the sealing sleeve in the radial direction;
the sealing gasket is pressed on the sealing surface through the pressure plate and is locked through the fastener;
the inner wall of the sealing sleeve is provided with a sealing profile which can be matched with the outer wall of the angle driver, and the annular locking piece is sleeved outside the sealing sleeve.
2. The steering drive shaft wall-passing seal according to claim 1, wherein a raised seal ring is provided on the bottom surface of said seal washer, said seal ring pressing against said seal surface.
3. The past-wall sealing structure of a steering transmission shaft according to claim 2, wherein a sealing groove is formed in the sealing surface, and the sealing ring is embedded in the sealing groove.
4. The steering transmission shaft wall-passing sealing structure according to claim 3, wherein a seal sinking platform is provided on the mounting base, and the seal surface is provided on a bottom surface of the seal sinking platform.
5. The through-wall sealing structure of a steering transmission shaft according to claim 4, wherein an internal thread groove hole is formed in the bottom surface of the sinking platform, bolt through holes are formed in the pressing plate and the sealing gasket, and the fastening piece is a headed bolt;
the headed bolt penetrates through the bolt through hole and is in threaded connection with the inner thread slotted hole, and the pressing plate and the sealing washer are pressed tightly.
6. The steering drive shaft through-wall seal structure of claim 5, wherein the internally threaded slot is disposed between the sinker table sidewall and the seal groove.
7. The steering transmission shaft through-wall seal structure according to claim 1, wherein the mounting base is integrally formed on the vehicle floor at the main body seal portion.
8. The steering transmission shaft through-wall seal structure of claim 1, wherein the annular retaining member is a hoop.
9. A steering transmission device, characterized in that the through-wall sealing structure of the steering transmission shaft according to any one of claims 1 to 8 is adopted;
the sealing sleeve is sleeved outside the angle driver and is pressed tightly through the annular locking piece.
10. A steering gear according to claim 9, wherein the outer wall of the angle drive is provided with radial projections, and wherein the upper edge of the annular locking member abuts against the lower edges of the radial projections to press the sealing sleeve against the angle drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120984184.5U CN216382559U (en) | 2021-05-10 | 2021-05-10 | Steering transmission device and wall-passing sealing structure of steering transmission shaft thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120984184.5U CN216382559U (en) | 2021-05-10 | 2021-05-10 | Steering transmission device and wall-passing sealing structure of steering transmission shaft thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216382559U true CN216382559U (en) | 2022-04-26 |
Family
ID=81215578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120984184.5U Active CN216382559U (en) | 2021-05-10 | 2021-05-10 | Steering transmission device and wall-passing sealing structure of steering transmission shaft thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216382559U (en) |
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2021
- 2021-05-10 CN CN202120984184.5U patent/CN216382559U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230904 Address after: No. 23, Hangtian Avenue, Xiaogan City, Hubei Province, 432012 Patentee after: HUBEI WANSHAN HONGYE AUTO PARTS CO.,LTD. Address before: 432000 No. 69, Beijing Road, Xiaogan, Hubei Patentee before: HUBEI SANJIANG SPACE WANSHAN SPECIAL VEHICLE Co.,Ltd. Patentee before: Hubei Aerospace Technology Research Institute Special Vehicle Technology Center |