CN2905518Y - Central aeration rotary sealing mechanism of automobile tyre - Google Patents
Central aeration rotary sealing mechanism of automobile tyre Download PDFInfo
- Publication number
- CN2905518Y CN2905518Y CN 200620095637 CN200620095637U CN2905518Y CN 2905518 Y CN2905518 Y CN 2905518Y CN 200620095637 CN200620095637 CN 200620095637 CN 200620095637 U CN200620095637 U CN 200620095637U CN 2905518 Y CN2905518 Y CN 2905518Y
- Authority
- CN
- China
- Prior art keywords
- air inlet
- inlet guide
- guide pin
- pin bushing
- end cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an central-charged rotating and hermetic mechanism for the automobile tire which comprises a air inlet guide sleeve and an end cap, wherein the air inlet guide sleeve is positioned in the charging passage at the center of the axle; a hermetical part is arranged between the outside surface of the air inlet guide case and the inside surface of the charging passage; the outside end of the air inlet guide case is connected to the end cap and a hermetical part is arranged therein; the end cap is provided with a gas source passage that communicates the gas source; the gas source passage communicates with the center of the air inlet guide case; and the end cap is arranged on the chassis part of the automobile. The utility model has simple structure, convenient installation and good hermetic performance, thereby thoroughly solving the problem of the rotation sealing in the air passage when the wheel conducts the rotation movement as the automobile is driving. Particularly, the air charging passage of the utility model is located at the axes of the axle, so that the linear velocity of rotation sealing between the air inlet guide case and the charging passage is greatly reduced, thereby increasing reliability of sealing therein and enabling the device to adjust the tire pressure at any time as the automobile is driving.
Description
Technical field
The utility model relates to motor tire and charges and discharge the mechanism of qi structure automatically, relates in particular to the central inflation of a kind of motor tire rotary seal mechanism.
Background technology
At present, the various on the market cross country cars with automatic tyre air inflation function are except that having conventional cranked tire valve and valve inside, and other has one to charge and discharge the gas passage automatically.In order to keep tire pressure, need to be provided with sealing in this passage to atmosphere.Because the rotary seal technology of air flue was not resolved when wheel rotated in running car, therefore, also be difficult at present in vehicle traveling process, as required tire be charged and discharged the gas operation.
Summary of the invention
The purpose of this utility model is in order to solve the deficiency that the above-mentioned background technology exists, a kind of inflation rotary seal mechanism of motor tire central authorities that can carry out positiver sealing to atmosphere is proposed, it is simple in structure that it is had, easy for installation, adjusting knurl air pressure at any time as required in vehicle traveling process.
For achieving the above object, the utility model adopts following technical scheme: inflation rotary seal mechanism of motor tire central authorities, it is characterized in that this mechanism is made up of air inlet guide pin bushing and end cap, described air inlet guide pin bushing is positioned at the filling channel at axle axis place, be provided with sealing member between air inlet guide pin bushing outside face and the filling channel inside face, air inlet guide pin bushing outer end links to each other with end cap, be provided with sealing member therebetween, on end cap, be provided with the source of the gas passage that communicates with source of the gas, this source of the gas passage communicates with air inlet guide pin bushing center through hole, and described end cap is arranged on the car chassis parts.
In such scheme, described air inlet guide pin bushing can insert in the axle axis place filling channel by the airtight cover of wheel shaft, the airtight cover of this wheel shaft embeds in the axle axis place filling channel in friction tight mode, the air inlet guide pin bushing inserts in the airtight cover of wheel shaft with gap fiting mode, is provided with three road O RunddichtringOs between air inlet guide pin bushing outside face and the airtight cover inside face of wheel shaft.
At the above-mentioned three road O RunddichtringOs that between air inlet guide pin bushing outside face and filling channel inside face, preferably are provided with.
In such scheme, place, described air inlet guide pin bushing outer end is provided with step, this step stretches in the fixed orifice in the end cap, with match by gasket seal between the fixed orifice inner end surface, in the fixed orifice of end cap, be provided with the air inlet guide pin bushing is pressed on push bolt on the fixed orifice inner end surface, radially be provided with the air flue that communicates with source of the gas passage and air inlet guide pin bushing center through hole at air inlet guide pin bushing step place.
Between above-mentioned end cap and wheel shaft, preferably be provided with oil sealing.
The utility model is simple in structure, and is easy for installation, and good seal performance has thoroughly solved the rotary seal problem of air flue when wheel rotates in the running car.Filling channel particularly of the present utility model is positioned at the axle axis place, make that the linear velocity of rotary seal greatly reduces between air inlet guide pin bushing and the filling channel, increased this place's leak free reliability, make its can be in vehicle traveling process adjusting knurl air pressure at any time as required.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
With reference to Fig. 1, the utility model is made up of air inlet guide pin bushing 1 and end cap 2, described air inlet guide pin bushing 1 inserts in the wheel shaft 3 axis place filling channels 4 by the airtight cover 10 of wheel shaft, and the airtight cover 10 of this wheel shaft embeds in the wheel shaft 3 axis place filling channels 4 in friction tight mode, sealing member can be set therebetween.Air inlet guide pin bushing 1 inserts in the airtight cover 10 of wheel shaft with gap fiting mode, is provided with three road O RunddichtringOs 11 between air inlet guide pin bushing 1 outside face and airtight cover 10 inside faces of wheel shaft.Described end cap 2 is fixed on the car chassis, is provided with the source of the gas passage 7 that communicates with source of the gas on end cap 2, is provided with oil sealing 9 between end cap 2 and the wheel shaft 3.The place is provided with step in air inlet guide pin bushing 1 outer end, this step stretches in the fixed orifice in the end cap 2, with match by gasket seal 5 between the fixed orifice inner end surface, in the fixed orifice of end cap 2, be provided with air inlet guide pin bushing 1 is pressed on push bolt 6 on the fixed orifice inner end surface, radially be provided with the air flue 8 that communicates with source of the gas passage 7 and air inlet guide pin bushing 1 center through hole at air inlet guide pin bushing step place.
Air inlet guide pin bushing 1 of the present utility model is guaranteeing to have selected the little diameter of trying one's best under the prerequisite of ventilation cross section, thereby has reduced the linear velocity of rotary seal place to greatest extent.
Wheel shaft 1 design of part is comparatively complicated, oad is also bigger, for accuracy of manufacture and the degree of finish that improves sealing place, the wheel shaft part is divided into two, in the axle axis filling channel, embedded an airtight cover 10 of wheel shaft in the flush fit mode, the airtight cover of wheel shaft 10 is simple in structure, and size is little, is easy to the processing and the requirement of ensuring the quality of products.
Three road O shape circles have been designed in rotary seal place, have only the first road O shape circle when bearing the rotation friction, to bear air pressure when bringing into use, twice O shape circle only bears spin friction in addition, therefore the first road O shape circle damages the earliest, bear air pressure by the second road O shape circle this moment, the rest may be inferred, and the service life of three road O shape circles is longer than the service life of one O shape circle.
Rotation O shape circle belongs to consumable accessory, when three road O shapes circles lost efficacy, only need back out compress double-screw bolt 6 just can be easily will standby air inlet guide pin bushing 1 and the assembly set that encloses of O shape replace up, whole maintenance process can be finished efficiently and easily.The air inlet guide pin bushing of changing is loaded onto new O shape circle and can be given over to standby again.
Claims (5)
1, motor tire central authorities inflation rotary seal mechanism, it is characterized in that this mechanism is made up of air inlet guide pin bushing and end cap, described air inlet guide pin bushing is positioned at wheel shaft central authorities filling channel, be provided with sealing member between air inlet guide pin bushing outside face and the filling channel inside face, air inlet guide pin bushing outer end links to each other with end cap, is provided with sealing member therebetween, is provided with the source of the gas passage that communicates with source of the gas on end cap, this source of the gas passage communicates with air inlet guide pin bushing center through hole, and described end cap is arranged on the car chassis parts.
2, according to inflation rotary seal mechanism of the described motor tire of claim 1 central authorities, it is characterized in that described air inlet guide pin bushing inserts in the wheel shaft central authorities filling channel by the airtight cover of wheel shaft, the airtight cover of this wheel shaft embeds in the axle axis place filling channel in friction tight mode, the air inlet guide pin bushing inserts in the airtight cover of wheel shaft with gap fiting mode, is provided with three road O RunddichtringOs between air inlet guide pin bushing outside face and the airtight cover inside face of wheel shaft.
3, according to inflation rotary seal mechanism of the described motor tire of claim 1 central authorities, it is characterized in that between air inlet guide pin bushing outside face and filling channel inside face, being provided with three road O RunddichtringOs.
4, according to claim 1 or the central inflation of 2 described motor tires rotary seal mechanism, it is characterized in that place, described air inlet guide pin bushing outer end is provided with step, this step stretches in the fixed orifice in the end cap, with match by gasket seal between the fixed orifice inner end surface, in the fixed orifice of end cap, be provided with the air inlet guide pin bushing is pressed on push bolt on the fixed orifice inner end surface, radially be provided with the air flue that communicates with source of the gas passage and air inlet guide pin bushing center through hole at air inlet guide pin bushing step place.
5, according to inflation rotary seal mechanism of the described motor tire of claim 1 central authorities, it is characterized in that between end cap and wheel shaft, being provided with oil sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620095637 CN2905518Y (en) | 2006-03-16 | 2006-03-16 | Central aeration rotary sealing mechanism of automobile tyre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620095637 CN2905518Y (en) | 2006-03-16 | 2006-03-16 | Central aeration rotary sealing mechanism of automobile tyre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2905518Y true CN2905518Y (en) | 2007-05-30 |
Family
ID=38114150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620095637 Expired - Lifetime CN2905518Y (en) | 2006-03-16 | 2006-03-16 | Central aeration rotary sealing mechanism of automobile tyre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2905518Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362423B (en) * | 2007-10-04 | 2011-07-13 | 刘艳昭 | Inflated and deflated apparatus for rotary tyre and control system thereof |
-
2006
- 2006-03-16 CN CN 200620095637 patent/CN2905518Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362423B (en) * | 2007-10-04 | 2011-07-13 | 刘艳昭 | Inflated and deflated apparatus for rotary tyre and control system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LIKA AUTOMOTIVE TECHNOLOGY CO., LTD., WUHAN CITY Free format text: FORMER OWNER: ZHU BOSHAN Effective date: 20070727 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070727 Address after: 201 Building 5, hi tech park, Wuhan Economic Development Zone, Hubei, Wuhan 430056 Patentee after: Wuhan Lika Automobile Technology Co Ltd Address before: 201 Building 5, hi tech park, Wuhan economic and Technological Development Zone, Hubei, Wuhan 430056 Patentee before: Zhu Baishan |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Effective date of registration: 20090707 Pledge (preservation): Pledge |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Effective date of registration: 20090707 Pledge (preservation): Pledge |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070530 |
|
| EXPY | Termination of patent right or utility model |