CN201627924U - Rear transmission dustproof seal device of all-terrain four-wheel motorcycle - Google Patents
Rear transmission dustproof seal device of all-terrain four-wheel motorcycle Download PDFInfo
- Publication number
- CN201627924U CN201627924U CN2009202074485U CN200920207448U CN201627924U CN 201627924 U CN201627924 U CN 201627924U CN 2009202074485 U CN2009202074485 U CN 2009202074485U CN 200920207448 U CN200920207448 U CN 200920207448U CN 201627924 U CN201627924 U CN 201627924U
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- CN
- China
- Prior art keywords
- gear case
- sand cover
- drive gear
- rear drive
- wheel spindle
- 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 - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/14—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only
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- General Details Of Gearings (AREA)
Abstract
The utility model relates to a rear transmission dustproof seal device of an all-terrain four-wheel motorcycle; a rear axle extends out of the axle hole of a rear driving gear case, a bearing is arranged in the axle hole and positioned between the rear axle and the rear driving gear case, a first oil seal is arranged in the axle hole and positioned at the outer side of the bearing to seal the rear driving gear case, a dustproof cover with a stepped hole is nested on the rear axle, a second oil seal is arranged in the large-aperture end of the stepped hole of the dustproof cover to seal the gap between the rear axle and the dustproof cover, the large-aperture end of the dustproof cover is connected with the rear driving gear case and the dustproof cover is fastened on the rear driving gear case by screws. The rear transmission dustproof seal device can protect the first oil seal lip of the rear transmission against sand and dust and ensure the rear transmission system to operate normally; besides, the rear transmission dustproof seal device has simple structure, light weight, convenient and reliable assembly, safety and aesthetic appearance.
Description
Technical field
The utility model relates to the rear-guard structure of four-wheel motor cycle, is specifically related to a kind of anti-dust seal arrangement of rear-guard of full landform four-wheel motor cycle.
Background technique
The rear-wheel spindle of four-wheel motor cycle cooperates with the rear drive gear case by bearing, for preventing that lubricant oil from leaking outside, an oil sealing is set in the outside of bearing, this oil sealing is located in the bearing mounting hole of rear drive gear case, gap outside bearing between side sealing rear drive gear case and the rear-wheel spindle, for the ease of installing and changing oil sealing, the outboard end of this oil sealing exposes.Full landform four-wheel motor cycle be a kind of can be in the desert, the four-wheel motor cycle that uses of extreme terrain environment such as grassland, hills, snowfield, sandy beach, when when desert Environment is used, the distinctive dust storm in desert will directly stick on the oil sealing, cause the oil seal lip serious wear, cause oil sealing to damage and cause leakage of oil; Simultaneously, the oil sealing serious wear also can cause sand and dust to enter in the rear drive gear case, causes a series of problems of component heavy wears such as bearing, gear, shortens rear drive gear case working life, increases user's economic burden.Therefore, the sealing configuration of the rear drive gear case of existing four-wheel motor cycle can not satisfy the usage requirement of full landform four-wheel motor cycle at wind sand environment.
Summary of the invention
The purpose of the utility model device is the deficiency that exists at prior art; a kind of anti-dust seal arrangement of rear-guard of full landform four-wheel motor cycle is provided; it can protect rear-guard first oil seal lip of four-wheel motor cycle not to be subjected to the dust storm infringement, guarantee that the rear-guard transmission system normally moves that the sealing apparatus structure is simple, in light weight, easy to assembly, reliable, safe, attractive in appearance.
The purpose of this utility model is achieved in that rear-wheel spindle passes from the axis hole of rear drive gear case, bearing is located in the axis hole between rear-wheel spindle and rear drive gear case, first oil sealing is located at and is positioned at the outer side sealing rear drive gear case of bearing in the axis hole, one anti-sand cover that is provided with shoulder hole is enclosed within on the rear-wheel spindle, gap between the second oil sealing sealing rear-wheel spindle and the anti-sand cover is set in the wide-aperture stomidium of anti-sand cover shoulder hole, the wide-aperture end of anti-sand cover is connected with the rear drive gear case, and anti-sand cover is fastened on the rear drive gear case by screw.
The end face axial of the wide-aperture end of described anti-sand cover is provided with in the axis hole that locating flange inserts the rear drive gear case and makes second oil sealing and rear-wheel spindle concentric.
Described anti-sand cover is provided with a plurality of installation journal stirrups and is distributed in circumference, and each is installed journal stirrup and is provided with mounting hole.
Described anti-sand cover is the anti-sand cover of plastic production.
Owing to adopt technique scheme, the side that the rear drive gear case stretches out outside rear-wheel spindle is equipped with anti-sand cover, gap between the second oil sealing sealing rear-wheel spindle and the anti-sand cover is set in the wide-aperture stomidium of anti-sand cover shoulder hole, one end of anti-sand cover shoulder hole small aperture is enclosed within on the rear-wheel spindle, make between anti-sand cover and the rear-wheel spindle gap less like this, prevent that dust storm from entering the rear drive gear case by anti-sand cover, even there is a small amount of dust storm to enter anti-sand cover from an end of anti-sand cover shoulder hole small aperture, also being provided with second oil sealing in the anti-sand cover stops, can't pass through anti-sand cover, be positioned at the bearing outside in the rear drive gear case axis hole and be provided with first oil sealing, make the rear drive gear case obtain double seal, dustproof effect is good, so the rear-guard transmission system of four-wheel motor cycle is not encroached on by dust storm, guarantee that rear-guard normally moves.Anti-sand cover is installed on the rear drive gear case, and dust storm can be prevented in rear drive gear case left side, and is elegant in appearance again.Anti-sand cover adopts the anti-sand cover of plastic production, and is in light weight, cost is low.
Be laid with a plurality of installation journal stirrups on the described anti-sand cover and be distributed in circumference, each is installed journal stirrup and is provided with mounting hole, when needing anti-sand cover is installed, directly with screw anti-sand cover is fastened on the rear drive gear case, installs firm, reliable.In the time of need changing the outfit first oil sealing or dismounting rear drive gear case, also can anti-sand cover for convenience detach, simple to operate, dismounting is simple and direct.
The end face axial of the wide-aperture end of described anti-sand cover is provided with in the axis hole that locating flange inserts the rear drive gear case and makes second oil sealing and rear-wheel spindle concentric, play the role of positioning during the locating flange assembling, guarantee that second oil sealing and rear-wheel spindle are concentric, make the sealing effect of rear drive gear case better.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model anti-sand cover;
Fig. 3 is the A-A sectional view of Fig. 2.
In the accompanying drawing, 1 is the rear drive gear case, and 2 is rear-wheel spindle, 3 is bearing, and 4 is first oil sealing, and 5 is anti-sand cover, 5a is an end of anti-sand cover small aperture, and 5b is the wide-aperture end of anti-sand cover, and 5c is a limited step, 6 is second oil sealing, and 6a is an oil seal lip, and 6b is a collar, 7 is screw, and 8 is positive stop lug boss, and 9 for installing journal stirrup, 9a is a mounting hole, and 10 is locating flange.
Embodiment
Referring to figs. 1 through Fig. 3, be equipped with rear-wheel spindle 2 in the axis hole of the rear drive gear case 1 of full landform beach buggy, rear-wheel spindle passes from the axis hole of rear drive gear case 1, be provided with the bearing 3 of supporting wheels axle 2 in the axis hole, bearing 3 is located in the axis hole between rear-wheel spindle 2 and rear drive gear case 1, bearing 3 left sides are provided with first oil sealing 4, first oil sealing 4 is adjacent with bearing 3, first oil sealing 4 is located at sealing rear drive gear case in the axis hole, the axis hole interference fit of first oil sealing 4 and rear drive gear case 1, first oil sealing 4 is enclosed within on the rear-wheel spindle 2 and is slidingly matched with rear-wheel spindle 2.One anti-sand cover 5 that is provided with shoulder hole is enclosed within on the rear-wheel spindle 2, and an end 5a sky of anti-sand cover small aperture is enclosed within on the rear-wheel spindle, and the gap is less, avoids entering in a large number of sand and dust.Gap between second oil sealing, 6 sealing rear-wheel spindles 2 and the anti-sand cover 5 is set in the wide-aperture end 5b hole of anti-sand cover 5 shoulder holes, second oil sealing 6 is installed in the endoporus of the wide-aperture end 5b of anti-sand cover, the second oil sealing right side is near the limited step 5c that is provided with in the hole, 5c is spacing by limited step, it is tightr that limited step also makes second oil sealing combine with anti-sand cover, avoids dust storm to pass.Second oil sealing 6 is extended with oil seal lip 6a left, but oil seal lip 6a elasticity when inserting rear-wheel spindle is launched, be convenient to assembling, after rear-wheel spindle passes, oil seal lip 6a is enclosed within on the rear-wheel spindle, makes sealing effect better, and oil seal lip 6a is with collar 6b outward, collar 6b fits tightly together oil seal lip and rear-wheel spindle, and sealing effect is better.Anti-sand cover 5 wide-aperture end 5b are connected with rear drive gear case 1, place, anti-sand cover 5 wide-aperture end 5b next-door neighbour right side is provided with radially-protruding positive stop lug boss 8, positive stop lug boss 8 circumferentially is provided with, positive stop lug boss 8 is provided with a plurality of installation journal stirrups 9 and is distributed in circumference, each is installed journal stirrup 9 and is provided with mounting hole 9a, the installation tapped hole that is provided with on mounting hole on the installation journal stirrup and the gear-box matches, anti-sand cover 5 is fastened on the rear drive gear case 1 by screw 7 like this, the utility model adopts 3 journal stirrup is installed, 3 journal stirrup being installed circumferentially is distributed on the positive stop lug boss 8 of anti-sand cover, make anti-sand cover circumferentially fixing, install firmly, reliably.The end face axial of described anti-sand cover 5 wide-aperture end 5b is provided with in the axis hole that locating flange 10 inserts rear drive gear casees 1 and makes second oil sealing and rear-wheel spindle concentric, locating flange 10 outer diameters and rear drive gear case 1 axis hole adopt transition fit, both be convenient to assembling, can when assembling, play the role of positioning again, guarantee that second oil sealing and rear-wheel spindle are concentric, make the joint sealing effect better.
Described anti-sand cover 5 is the anti-sand cover of plastic production, adopts ABS plastic, makes that anti-sand cover is in light weight, cost is low.
Assembly process of the present utility model:
Second oil sealing is pressed fit in the anti-sand cover, make the second oil sealing end face, then the anti-sand cover locating flange is inserted in the rear drive gear case axis hole, rear-guard case anti-sand cover is fastened on rear drive gear case end face with 3 screws near limited step.Anti-sand cover is installed on the K/KDC3 air-drop type all-terrain vehicle, has finished the anti-dust storm test done in the bright desert of Gansu pier, airdrop test, thermocycling etc., has reached design input requirement, satisfies air-drop type all-terrain vehicle Environmental Conditions demand.
Claims (4)
1. the anti-dust seal arrangement of the rear-guard of a full landform four-wheel motor cycle, rear-wheel spindle passes from the axis hole of rear drive gear case (1), bearing (3) is located at and is positioned in the axis hole between rear-wheel spindle (2) and the rear drive gear case (1), first oil sealing (4) is located at and is positioned at the outer side sealing rear drive gear case of bearing in the axis hole, it is characterized in that: an anti-sand cover (5) that is provided with shoulder hole is enclosed within on the rear-wheel spindle (2), gap between second oil sealing (6) sealing rear-wheel spindle (2) and the anti-sand cover (5) is set in the wide-aperture stomidium of anti-sand cover (5) shoulder hole, the wide-aperture end of anti-sand cover (5) is connected with rear drive gear case (1), and anti-sand cover (5) is fastened on the rear drive gear case (1) by screw.
2. the anti-dust seal arrangement of the rear-guard of full landform four-wheel motor cycle according to claim 1 is characterized in that: the end face axial of the wide-aperture end of described anti-sand cover (5) is provided with in the axis hole that locating flange (10) inserts rear drive gear case (1) and makes second oil sealing and rear-wheel spindle concentric.
3. the anti-dust seal arrangement of the rear-guard of full landform four-wheel motor cycle according to claim 1 is characterized in that: described anti-sand cover (5) is provided with a plurality of installation journal stirrups and is distributed in circumference, and each is installed journal stirrup and is provided with mounting hole.
4. the anti-dust seal arrangement of the rear-guard of full landform four-wheel motor cycle according to claim 1 is characterized in that: described anti-sand cover (5) is the anti-sand cover of plastic production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202074485U CN201627924U (en) | 2009-11-30 | 2009-11-30 | Rear transmission dustproof seal device of all-terrain four-wheel motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202074485U CN201627924U (en) | 2009-11-30 | 2009-11-30 | Rear transmission dustproof seal device of all-terrain four-wheel motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201627924U true CN201627924U (en) | 2010-11-10 |
Family
ID=43059316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202074485U Expired - Fee Related CN201627924U (en) | 2009-11-30 | 2009-11-30 | Rear transmission dustproof seal device of all-terrain four-wheel motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201627924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717708A (en) * | 2012-06-19 | 2012-10-10 | 王爱国 | Special combined reinforced power system for electric vehicles |
-
2009
- 2009-11-30 CN CN2009202074485U patent/CN201627924U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717708A (en) * | 2012-06-19 | 2012-10-10 | 王爱国 | Special combined reinforced power system for electric vehicles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151105 Address after: 400054 Banan District, Chongqing building Avenue, No. 2, building 1 Patentee after: CHONGQING CONSTRUCTION ELECTROMECHANICAL CO., LTD. Address before: 400054, No. 1, Jianshe Avenue, Huaxi Industrial Park, Banan District, Chongqing Patentee before: Chongqing Jianshe Motorcycle Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20181130 |