CN101716883B - Sand and dust prevention sealing device of all-terrain four-wheel motor cycle front wheel drive transmission mechanism - Google Patents
Sand and dust prevention sealing device of all-terrain four-wheel motor cycle front wheel drive transmission mechanism Download PDFInfo
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- CN101716883B CN101716883B CN 200910191673 CN200910191673A CN101716883B CN 101716883 B CN101716883 B CN 101716883B CN 200910191673 CN200910191673 CN 200910191673 CN 200910191673 A CN200910191673 A CN 200910191673A CN 101716883 B CN101716883 B CN 101716883B
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- forerunner
- sand cover
- sand
- gear case
- crankcase
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Abstract
The invention discloses a sand and dust prevention sealing device of an all-terrain four-wheel motor cycle front wheel drive transmission mechanism; two ends of a front wheel drive transmission shaft are respectively connected with an engine output shaft and an input shaft of a front wheel drive gear box by a universal joint, a sealing cover is arranged between a crankcase and the front wheel drive gear box to lead the front wheel drive transmission shaft and the universal joints at two ends to be arranged in the sealing cover, the sealing cover comprises a corrugated sleeve, and a first sand-proof cover and a second sand-proof cover which are arranged at two ends of the corrugated sleeve, the first sand-proof cover is connected on the crankcase in a sealing way, the second sand-proof cover is connected on a connecting sleeve arranged on the front wheel drive gear box in a sealing way. The device can prevent the all-terrain four-wheel motor cycle front wheel drive transmission mechanism from being damaged by dust and sands, avoid oil leakage of the case and ensure the front wheel drive transmission to be normal; in addition, the structure is simple, and the assembly is convenient, reliable, safe and artistic.
Description
Technical field
The present invention relates to forerunner's transmission field of four-wheel motor cycle, be specifically related to the anti-dust sealing arrangement of the front driving transmission mechanism of a kind of full landform four-wheel motor cycle.
Background technology
The four-wheel motor cycle f-w-d is by being connected to the transmission shaft between engine output shaft and the forerunner's gear case, engine power is passed to forerunner's gear case, by forerunner's gear case power distribution is passed to left and right sides front-wheel, because the two ends of transmission shaft are to pass through respectively universal-joint connecting engine output shaft and forerunner's gearbox input shaft, so the pitch space between forerunner's gear case and the base chamber is relatively large.Forerunner's gear case of existing four-wheel motor cycle and base chamber are for preventing that lubricating oil leaks outside in the case, oil sealing is set in the outside of the bearing of supporting input shaft or output shaft respectively realizes sealing to casing, and these oil sealings are because its outer end of assembling reason all is to be exposed to the outside.When full landform four-wheel motor cycle travels in the desert, the sand and dust of kicking up are easy to be attached to the oil sealing outside face, when axle rotates with respect to oil sealing, the sand and dust that adhering to can cause the oil seal lip severe wear, cause the oil sealing damage and cause leakage of oil, simultaneously, the oil sealing serious wear also can cause sand and dust to enter in front drive gear case, the base chamber, cause the series of problems of the parts severe wears such as bearing, gear, shorten front drive gear case, base chamber service life, increase user's economical burden.And because transmission shaft, universal-joint also are to be exposed shape, the sand and dust of kicking up also can be attached on transmission shaft, the universal-joint, cause the junction serious wear of transmission shaft and universal-joint, affect the normal delivery of power, shorten the service life of transmission shaft, universal-joint.Therefore, the hermetically-sealed construction of the front drive gear case of existing four-wheel motor cycle, base chamber can not satisfy full landform four-wheel motor cycle at the operating needs of wind sand environment.
Summary of the invention
The objective of the invention is the deficiency for the prior art existence, the anti-dust sealing arrangement of the front driving transmission mechanism of a kind of full landform four-wheel motor cycle is provided, it makes the universal-joint at forerunner's transmission shaft and two ends be arranged in seal closure by a seal closure is installed between crankcase and forerunner's gear case, driving transmission mechanism is damaged by sand and dust before can preventing full landform four-wheel motor cycle, avoids the casing leakage of oil and guarantees that forerunner's transmission is normal.
The object of the present invention is achieved like this: engine output shaft cooperates with crankcase by bearing, output shaft extends crankcase, gap oil sealing sealing between crankcase and the output shaft, forerunner's gearbox input shaft cooperates with gear case by bearing, input shaft extends forerunner's gear case, gap oil sealing sealing between forerunner's gear case and the input shaft, the two ends of forerunner's transmission shaft are connected with forerunner's gearbox input shaft with engine output shaft by universal-joint respectively, one seal closure is installed between described crankcase and the forerunner's gear case makes the universal-joint at forerunner's transmission shaft and two ends be arranged in seal closure, described seal closure comprises a radiation fins and is sealedly attached to first anti-sand cover at radiation fins two ends, the second anti-sand cover, the first anti-sand cover is sealedly connected on the crankcase, and the second anti-sand cover is sealedly connected on the adapter sleeve of forerunner's gear case setting.
Described the first anti-sand cover, the second anti-sand cover are the tube-in-tube structure of axial bending, this tube-in-tube structure is made of the stamping forming thin-wall barrel welding of axially cutting open as two halves, its connecting portion that is used for connection crankcase or forerunner's gear case is provided with a plurality of circumferential openings that extend axially, the inside and outside all cladding rubber layers of the barrel of this connecting portion, connecting portion are enclosed within the axis hole boss of crankcase or the adapter sleeve (9) of forerunner's gear case setting is upward fixed with clip.
The rubber layer of described the first anti-sand cover, the second anti-sand cover is equipped with the positioning block tongue that extends axially out, the positioning block tongue of the first anti-sand cover is stuck in the positioning groove that arranges on the crankcase and locates, and the positioning block tongue of the second anti-sand cover is stuck in the positioning groove that arranges on the adapter sleeve of forerunner's gear case setting and locates.
Equal punch forming has reinforced rib on described the first anti-sand cover, the second anti-sand cover, and an end punch forming that is connected with corrugated bushing has positioning ring groove.
Described radiation fins is rubber bellows set.
Described adapter sleeve interference fit press-fits and is connected on forerunner's gear case.
Owing to adopting technique scheme, one seal closure is installed between described crankcase and the forerunner's gear case makes the universal-joint at forerunner's transmission shaft and two ends be arranged in seal closure, described seal closure comprises a radiation fins and is sealedly attached to the first anti-sand cover, second anti-sand cover at radiation fins two ends, the first anti-sand cover is sealedly connected on the crankcase, and the second anti-sand cover is sealedly connected on the adapter sleeve of forerunner's gear case setting.Thus, make whole forerunner's driving system obtain hermetically sealed, can prevent that the sand and dust of kicking up when full landform four-wheel motor cycle travels in the desert are attached to the junction of oil seal lip, transmission shaft and universal-joint, avoid oil sealing to damage and the junction wearing and tearing, guarantee that forerunner's driving system normally moves, also can prevent that sand and dust from entering the transmission parts in the wearing and tearing casing in the casing simultaneously.
Described the first anti-sand cover, the second anti-sand cover are the tube-in-tube structure of axial bending, and this tube-in-tube structure is made of the stamping forming thin-wall barrel welding of axially cutting open as two halves.The moulding of the first anti-sand cover, second anti-sand cover of the tube-in-tube structure of axial bending is made easily, satisfied the form that is connected of universal-joint and output shaft or input shaft.Described the first anti-sand cover be connected the connecting portion that be used for to connect crankcase or forerunner's gear case of anti-sand cover and be provided with a plurality of circumferential openings that extend axially, the inside and outside all cladding rubber layers of the barrel of this connecting portion, connecting portion are enclosed within on the adapter sleeve of the axis hole boss of crankcase or the setting of forerunner's gear case and fix with clip.Anti-sand cover can be out of shape by the hole enlargement that axially extended opening forms a little when connecting, it is in place, can under the compression of clip, form again necking deformation a little during simultaneously with the clip banding, form tight sealing state.The inside and outside all cladding rubber layers of the barrel of the connecting portion of described the first anti-sand cover and the second anti-sand cover can be realized tight sealing by rubber layer.
The rubber layer of described the first anti-sand cover, the second anti-sand cover is equipped with the positioning block tongue that extends axially out, like this when the first anti-sand cover and crankcase assembly connection, the positioning block tongue of the first anti-sand cover is stuck in the positioning groove that arranges on the crankcase and locates, the assembling of the first anti-sand cover and crankcase can not misplaced, guarantee that the direction of turning back of the bending of the first anti-sand cover and universal-joint is consistent; When the second anti-sand cover and adapter sleeve assembling, the positioning block tongue of the second anti-sand cover is stuck in the positioning groove that arranges on the adapter sleeve of forerunner's gear case setting and locates, the assembling of the second anti-sand cover and forerunner's gear case can not misplaced, guarantee that the direction of turning back of the bending of the second anti-sand cover and universal-joint is consistent.
Described radiation fins is rubber bellows set, can take seal closure apart when changing other parts such as transmission shaft, oil sealing, takes the backward one side of seal closure compressing rubber radiation fins apart, and exposing needs the maintenance position, and will not pull down fully by whole seal closure.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the A of Fig. 1 is to partial view;
Fig. 3 is that the B of Fig. 1 is to partial view;
Fig. 4 is the opening schematic diagram of the first anti-sand cover;
Fig. 5 is two parts schematic diagram of the first anti-sand cover;
Fig. 6 is the structural representation of the first anti-sand cover.
In the accompanying drawing, 1 is crankcase, and 2a, 2b, 2c, 2d are clip, 3 is the first anti-sand cover, and 3a is rubber layer, and 3b is opening, 3c is annular groove, and 3d is reinforced rib, and 3e is connecting portion, 4 is output shaft, and 5 is radiation fins, and 6 is the first universal-joint, 7 is the second anti-sand cover, 8 is input shaft, and 9 is adapter sleeve, and 10 is the front drive gear case, 11 is seal closure, 12a, 12b are bearing, and 13 is the first oil sealing, and 14 is transmission shaft, 15 is the second oil sealing, 16 is the second universal-joint, and 22a, 22b are positioning block tongue, and 23a, 23b are positioning groove.
The specific embodiment
Referring to figs. 1 through Fig. 6, the anti-dust sealing arrangement of driving transmission mechanism before the full landform four-wheel motor cycle, engine output shaft 4 cooperates with crankcase 1 by bearing 12a, output shaft 4 extends crankcase 1, gap between crankcase 1 and the output shaft 4 seals with the first oil sealing 13, forerunner's gearbox input shaft 8 cooperates with gear case 10 by bearing 12b, input shaft 8 extends forerunner's gear case 10, gap between forerunner's gear case 10 and the input shaft 8 seals with the second oil sealing 15, the two ends of forerunner's transmission shaft 14 are connected with engine output shaft 4 by the first universal-joint 6 respectively, are connected with forerunner's gearbox input shaft 8 by the second universal-joint 16.One seal closure 11 is installed between described crankcase 1 and the forerunner's gear case 10 makes the universal-joint 6,16 at forerunner's transmission shaft 14 and two ends be arranged in seal closure 11.Described seal closure 11 comprises a radiation fins 5 and is sealedly attached to the first anti-sand cover 3, second anti-sand cover 7 at radiation fins two ends, radiation fins 5 is rubber bellows set, radiation fins 5 one ends are enclosed within on the first anti-sand cover 3 with clip 2b banding, the first anti-sand cover 3 is sealedly connected on the crankcase 1, radiation fins 5 other ends are enclosed within uses clip 2c banding on the second anti-sand cover 7, the second anti-sand cover 7 is sealedly connected on the adapter sleeve 9 of forerunner's gear case 10 settings.Described the first anti-sand cover 3, the second anti-sand cover 7 is the tube-in-tube structure of axial bending, this tube-in-tube structure is made of the stamping forming thin-wall barrel welding of axially cutting open as two halves, its connecting portion 3e that is used for connection crankcase or forerunner's gear case is provided with a plurality of circumferential opening 3b that extend axially, the inside and outside all cladding rubber layer 3a of the barrel of this connecting portion 3e, the connecting portion 3e of the first anti-sand cover 3d is enclosed within on the axis hole boss of crankcase 1, fix with clip 2a banding, the connecting portion of the second anti-sand cover 7 is enclosed within to press-fit on the adapter sleeve 9 that is connected on forerunner's gear case 10 by interference fit and fixes with clip 2d banding.The rubber layer of described the first anti-sand cover 3, the second anti-sand cover 7 is equipped with positioning block tongue 22a, the 22b that extends axially out, the positioning block tongue 22a of the first anti-sand cover 3 is stuck among the positioning groove 23a that arranges on the crankcase 1 and locates, the positioning block tongue 22b of the second anti-sand cover 7 is stuck among the positioning groove 23b that arranges on the adapter sleeve 9 of forerunner's gear case setting and locates, the bending that anti-sand cover when connecting is installed can be kept consistency with turning back of universal-joint, be conducive to Fast Installation.Equal punch forming has reinforced rib 3d on described the first anti-sand cover 3, the second anti-sand cover 7, and an end punch forming that is connected with radiation fins 5 has positioning ring groove 3c, and reinforced rib 3d extends axially along anti-sand cover 3, and circumferentially.
The process of assembling this device is:
Press-fit adapter sleeve at forerunner's gear case body, the assembly mark of during assembling positioning groove being aimed on the casing press-fits; Then the input shaft of the second universal-joint with forerunner's gear case is connected; Subsequently at adapter sleeve assembling the second anti-sand cover, the positioning block tongue of the second anti-sand cover is inserted in the positioning groove of adapter sleeve locate, then fix with the clip banding; The first universal-joint is connected with engine output shaft, at engine crankshaft box assembling the first anti-sand cover, the positioning block tongue of the first anti-sand cover is inserted in the positioning groove of casing locate, then fix with the clip banding; An end and the second universal-joint spline joint with forerunner's transmission shaft, one end of rubber bellows set is enclosed within on the second anti-sand cover fixes with the clip banding, forerunner's transmission shaft is passed from radiation fins, with the other end and the first universal-joint spline joint of transmission shaft, then the other end of rubber bellows set is enclosed within on the first anti-sand cover and fixes with the clip banding again; Thus this anti-dust device is installed between base chamber and the forerunner's gear case, realizes the fully sealing of the front driving transmission mechanism of base chamber and forerunner's gear case, prevent that sand and dust are to the infringement of forerunner's transmission system.
The anti-dust device of driving transmission mechanism is installed on the full landform four-wheel motor cycle of K/KDC3 air-drop type before the present invention, the sand-proof test done in the Dunhuang, Gansu Province desert, airdrop test, high-low temperature test etc. have been finished, reach the design input requirements, satisfied air-drop type all-terrain vehicle environment for use demand.
Claims (6)
1. the anti-dust sealing arrangement of driving transmission mechanism before the full landform four-wheel motor cycle, engine output shaft cooperates with crankcase by bearing, output shaft extends crankcase, gap oil sealing sealing between crankcase and the output shaft, forerunner's gearbox input shaft cooperates with gear case by bearing, input shaft extends forerunner's gear case, gap oil sealing sealing between forerunner's gear case and the input shaft, the two ends of forerunner's transmission shaft are connected with forerunner's gearbox input shaft with engine output shaft by universal-joint respectively, it is characterized in that: a seal closure is installed between described crankcase and the forerunner's gear case is made the universal-joint at forerunner's transmission shaft and two ends be arranged in seal closure, described seal closure comprises a radiation fins and is sealedly attached to first anti-sand cover at radiation fins two ends, the second anti-sand cover, the first anti-sand cover is sealedly connected on the crankcase, and the second anti-sand cover is sealedly connected on the adapter sleeve of forerunner's gear case setting.
2. the anti-dust sealing arrangement of driving transmission mechanism before the full landform four-wheel motor cycle according to claim 1, it is characterized in that: described the first anti-sand cover, the second anti-sand cover is the tube-in-tube structure of axial bending, this tube-in-tube structure is made of the stamping forming thin-wall barrel welding of axially cutting open as two halves, its connecting portion that is used for connection crankcase or forerunner's gear case is provided with a plurality of circumferential openings that extend axially, the inside and outside all cladding rubber layers of the barrel of this connecting portion, connecting portion are enclosed within on the adapter sleeve of the axis hole boss of crankcase or the setting of forerunner's gear case and fix with clip.
3. the anti-dust sealing arrangement of driving transmission mechanism before the full landform four-wheel motor cycle according to claim 2, it is characterized in that: the rubber layer of described the first anti-sand cover, the second anti-sand cover is equipped with the positioning block tongue that extends axially out, the positioning block tongue of the first anti-sand cover is stuck in the positioning groove that arranges on the crankcase and locates, and the positioning block tongue of the second anti-sand cover is stuck in the positioning groove that arranges on the adapter sleeve of forerunner's gear case setting and locates.
4. the anti-dust sealing arrangement of driving transmission mechanism before the full landform four-wheel motor cycle according to claim 1 and 2, it is characterized in that: equal punch forming has reinforced rib on described the first anti-sand cover, the second anti-sand cover, and an end punch forming that is connected with radiation fins has positioning ring groove.
5. the anti-dust sealing arrangement of driving transmission mechanism before the full landform four-wheel motor cycle according to claim 1, it is characterized in that: described radiation fins is rubber bellows set.
6. the anti-dust sealing arrangement of driving transmission mechanism before the full landform four-wheel motor cycle according to claim 1 is characterized in that: described adapter sleeve interference fit press-fits and is connected on forerunner's gear case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910191673 CN101716883B (en) | 2009-11-30 | 2009-11-30 | Sand and dust prevention sealing device of all-terrain four-wheel motor cycle front wheel drive transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910191673 CN101716883B (en) | 2009-11-30 | 2009-11-30 | Sand and dust prevention sealing device of all-terrain four-wheel motor cycle front wheel drive transmission mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101716883A CN101716883A (en) | 2010-06-02 |
| CN101716883B true CN101716883B (en) | 2013-04-10 |
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ID=42431555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910191673 Expired - Fee Related CN101716883B (en) | 2009-11-30 | 2009-11-30 | Sand and dust prevention sealing device of all-terrain four-wheel motor cycle front wheel drive transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101716883B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005125832A (en) * | 2003-10-21 | 2005-05-19 | Koyo Seiko Co Ltd | Steering device |
| CN201115334Y (en) * | 2007-10-30 | 2008-09-17 | 重庆宗申技术开发研究有限公司 | Small tiller transmission case output shaft seal structure |
| CN201627930U (en) * | 2009-11-30 | 2010-11-10 | 重庆建设摩托车股份有限公司 | Front-drive sand preventing full-sealing device of four-wheel motorcycle |
-
2009
- 2009-11-30 CN CN 200910191673 patent/CN101716883B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005125832A (en) * | 2003-10-21 | 2005-05-19 | Koyo Seiko Co Ltd | Steering device |
| CN201115334Y (en) * | 2007-10-30 | 2008-09-17 | 重庆宗申技术开发研究有限公司 | Small tiller transmission case output shaft seal structure |
| CN201627930U (en) * | 2009-11-30 | 2010-11-10 | 重庆建设摩托车股份有限公司 | Front-drive sand preventing full-sealing device of four-wheel motorcycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101716883A (en) | 2010-06-02 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20151118 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. |
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| 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: 20130410 Termination date: 20191130 |