CN103832490B - Spare tyre lifter - Google Patents
Spare tyre lifter Download PDFInfo
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- CN103832490B CN103832490B CN201410105517.7A CN201410105517A CN103832490B CN 103832490 B CN103832490 B CN 103832490B CN 201410105517 A CN201410105517 A CN 201410105517A CN 103832490 B CN103832490 B CN 103832490B
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- spare tyre
- dust
- tyre lifter
- cover
- inner cover
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Abstract
The invention discloses a kind of spare tyre lifter, comprise housing, outer driver, dust-proof inner cover, eccentric shaft, chain, the drive input of described eccentric shaft extends the first side of described housing and drive input is provided with worm gear; Described first side is fixed with motor, and the axle head of the output shaft of described motor is provided with the worm screw engaged with described worm gear.The present invention compares with traditional hand chain typ spare tyre lifter, instead of driven by shaking, both saves manpower, again convenient operation by motorized motions; Original metal dust inner cover is changed as plastic dust inner cover, under the prerequisite not affecting bulk strength, alleviates the weight of spare tyre lifter; Add and reinstall tight spring and make chain gear more steadily smooth; Lock washer effectively prevent moving axially of eccentric shaft; Increase spare wheel lock, make spare tyre safer, prevent spare tyre stolen.
Description
Technical field
The present invention relates to the on-vehicle equipment of automobile, particularly a kind of spare tyre lifter.
Background technology
Spare tyre is that the tire preventing vehicle from normally using in the process of moving occurs abnormal causing vehicle normally not travel and the replacement tire for preparing, and its effect ensures that vehicle can drive to nearest maintenance station.And the effect of spare tire lifting device is exactly that spare tyre is fixed on vehicle somewhere, is convenient to chaufeur and easier takes spare tyre when tire occurs abnormal.
Traditional chain typ spare tyre lifter, is utilize spare tyre rocking bar to drive eccentric shaft turns, chain gear, thus realizes the lifting process of spare tyre.Specifically: by eccentric equal diameters (free-running fit) on the diameter of satellite gear centre hole and eccentric wheel; Satellite gear is arranged between satellite gear guide block and sprocket wheel, simultaneously by tooth number in sprocket wheel more than satellite gear tooth; Be stuck in by chain in the draw-in groove of sprocket wheel, the bottom of chain one end is connected to Support-holder for spare tyre, hanger, spring and spring perch, then assembly is put into spare tyre lifter lower cover, is finally installed in spare tyre lifter shell by above assembly again, and centre camshaft supports.When needs lifting spare tyre, be stuck in eccentric positioning groove with the locating dowel pin on spare tyre rocking bar, when rotating spare tyre rocking bar, band movable eccentric wheel rotates, eccentric wheel rotates and just must engage with of many places on a sprocket wheel tooth, thus realize the rotation of sprocket wheel, so just drive the transmission of chain, finally realize the lifting of spare tyre.
Traditional hand chain type spare tyre lifter needs to increase rocking bar in driver's tool, and vehicle body increases the configurations such as rocking bar perforation.The problems such as hand mode also exists rocking bar alignment difficulties, shake effort.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of spare tyre lifter replacing manually shake by electronic type of drive.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of spare tyre lifter, comprise housing, outer driver, dust-proof inner cover, eccentric shaft, chain, the drive input of described eccentric shaft extends the first side of described housing and drive input is provided with worm gear; Described first side is fixed with motor, and the axle head of the output shaft of described motor is provided with the worm screw engaged with described worm gear, thus achieves and replace existing driven by shaking mode by motorized motions, greatly saves manpower.Preferably, the bottom of described dust-proof inner cover is symmetrically arranged with at least two claws relative to its line of centers, described housing is provided with the claw groove matched with described claw, realizes the bottom of described dust-proof inner cover and the clamping of described housing by the cooperation of described claw and claw groove; Top and the described housing of described dust-proof inner cover are bolted.Dust-proof inner cover and housing adopt the mode clamped, simple, ensure linking intensity simultaneously.Further with improvement, described spare tyre lifter also comprises back tight spring, and one end of this time tight spring is connected with described outer driver, and the side that the other end is fitted with described housing and outer driver is connected, thus makes chain gear more steadily smooth.
On the basis of technique scheme, done again further improvement, described spare tyre lifter also comprises cover of dust, its spiral-lock on described first side, by described worm gear, worm screw and motor cover in described cover of dust.Cover of dust plays the dustproof effect to worm gear, worm screw and motor, avoids worm gear, worm screw and motor to suffer the erosion of dust, water droplet etc.
Preferably, be provided with partition walls in described cover of dust, the body of described motor and described worm and gear are kept apart by described partition walls, thus described cover of dust is split up into motor space and worm and gear space, worm and gear motion space inside is grease-added, is beneficial to better transmission.Increase a partition walls in the middle of cover of dust, avoid grease to flow into motor space place.
In a kind of technical scheme, with improvement described dust-proof inner cover is designed to plastic dust cover further again, dust-proof inner cover is designed to plastic dust cover and its objective is overall weight in order to alleviate spare tyre lifter.
A kind of technical scheme, at the other end of described eccentric shaft, the lock washer preventing it from moving axially being housed with improvement further, fits in the second side of described lock washer and described housing.
In a kind of technical scheme, preferably, described lock washer comprises conical ring, the inner circle wall of described conical ring is provided with the annulus be made up of multiple fan-shaped projection, is provided with gap between described fan-shaped projection.
Preferably, described fan-shaped projection is six, and each fan-shaped projection is uniform in the circumference of described conical ring.
Further with improvement, described chain is provided with spare wheel lock, actv. prevents spare tyre stolen.
The present invention compares with traditional hand chain typ spare tyre lifter, instead of driven by shaking, both saves manpower, again convenient operation by motorized motions; Original metal dust inner cover is changed as plastic dust inner cover, under the prerequisite not affecting bulk strength, alleviates the weight of spare tyre lifter; Add and reinstall tight spring and make chain gear more steadily smooth; Lock washer effectively prevent moving axially of eccentric shaft; Increase spare wheel lock, make spare tyre safer, prevent spare tyre stolen.
Accompanying drawing explanation
Fig. 1 is spare tyre lifter upper end provided by the invention front partial section view;
Fig. 2 is the partial view of annexation between eccentric shaft, worm and gear, motor in spare tyre lifter provided by the invention;
Fig. 3 is the block diagram of spare tyre lifter provided by the invention;
Fig. 4 is cover of dust partial interior view in spare tyre lifter provided by the invention;
Fig. 5 is spare tyre lifter middle shell provided by the invention and dust-proof inner cover explosive view;
Fig. 6 is dust-proof inner cover block diagram in spare tyre lifter provided by the invention;
Fig. 7 is the partial view of annexation between spare tyre lifter middle shell provided by the invention, outer driver, time tight spring bracket;
Fig. 8 is the back side, spare tyre lifter upper end provided by the invention partial view;
Fig. 9 is the block diagram of lock washer in spare tyre lifter provided by the invention;
Figure 10 is that in spare tyre lifter provided by the invention, chain and spare tyre assemble rear partial view;
Figure 11 is the exploded view of spare tyre lifter provided by the invention.
In figure, Reference numeral is: side 12, housing 1, first side 11, second, claw groove 13, outer driver 2, motor 3, worm screw 31, cover of dust 4, partition walls 41, dust-proof inner cover 5, claw 51 eccentric shaft 6, worm gear 61, chain 7, return tight spring 8, lock washer 9, conical ring 91, fan-shaped protruding 92, spare wheel lock 10.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
A kind of spare tyre lifter, it is the transformation to existing chain typ spare tyre lifter.As depicted in figs. 1 and 2, the drive input of existing eccentric shaft 6 extends the first side 11 (before figure middle shell 1) of housing 1, the drive input of eccentric shaft 6 is provided with worm gear 61, this worm gear 61 can be one-body molded with eccentric shaft 6, also can be the drive input being fixed on eccentric shaft 6 by modes such as welding.First side 11 (before figure middle shell 1) is fixedly mounted with (welding, bonding or other fixed installation modes) and has motor 3, the axle head of the output shaft of motor 3 is provided with the worm screw 31 engaged with worm gear 61, this worm screw 31 can be one-body molded with the output shaft of motor 3, also can be the axle head being fixed on the output shaft of motor 3 by modes such as welding.
As shown in Figure 3, further, spare tyre lifter also comprises cover of dust 4, its spiral-lock is on the first side 11 (after Fig. 3 middle shell 1), worm gear 61, worm screw 31 and motor 4 are covered in cover of dust 4, this cover of dust 4 plays the dustproof effect to worm gear 61, worm screw 31 and motor 4, avoids worm gear 61, worm screw 31 and motor 4 to suffer the erosion of dust, water droplet etc.
As shown in Figure 4, further with improvement, partition walls 41 is provided with in cover of dust 4, the body of motor 3 and worm gear 61 and worm screw 31 are kept apart by partition walls 41, thus cover of dust 4 is split up into motor space and worm and gear space, worm and gear motion space inside is grease-added, is beneficial to better transmission.Increase a partition walls in the middle of cover of dust, avoid grease to flow into motor space place.
As shown in Figure 5 with shown in Fig. 6, existing chain typ spare tyre lifter is transformed further, original dust-proof inner cover 5 is made for metal, the present embodiment is changed into plastic dust cover, its objective is the overall weight in order to alleviate spare tyre lifter, the angle of cut place of the bottom of dust-proof inner cover 5 is provided with four claws 51, because dust-proof inner cover 5 is that plastics are made, therefore, this claw 51 can with dust-proof inner cover 5 integrated injection molding, housing 1 offers the claw groove 13 matched with claw 51, the bottom of dust-proof inner cover 5 and the clamping of housing 1 is realized by the cooperation of claw 51 and claw groove 13.Top and the housing 1 of dust-proof inner cover 5 are bolted, in the present embodiment, two square grooves are formed during the top injection moulding of dust-proof inner cover 5, be placed with square nut in square groove, bolt from the top of housing 1 through being connected with square nut thus the top of dust-proof inner cover 5 being fixedly connected with the top of housing 1.
As shown in Figure 7, transform further existing chain typ spare tyre lifter, add and reinstall tight spring 8, its one end is connected with outer driver 2, the side that the other end is fitted with housing 1 and outer driver 2 is connected, and adds to reinstall tight spring 8 and make chain 7 transmission more steadily smooth.
As shown in Figure 8, eccentric shaft 6 is equipped with away from one end of input end the lock washer 9 preventing it from moving axially, and lock washer 9 is fitted with the second side 12 of housing 1.
As shown in Figure 9, lock washer 9 comprises conical ring 91, the inner circle wall of conical ring 91 is evenly provided with six fan-shaped protruding 92, and six fan-shaped protruding 92 form an annulus, and are provided with gap between fan-shaped protruding 92.During assembling, first lock washer 9 is inserted in eccentric shaft 6, then overturns the ring limit of conical ring 91, make fan-shaped protruding 92 clamping eccentric shafts 6, the gap between fan-shaped protruding 92 can be used to compensate the deflection produced when lock washer 9 assembles.
As shown in Figure 10, chain 7 is provided with spare wheel lock 10, spare wheel lock 10, for spare tyre and chain 7 being locked together, prevents spare tyre stolen.
Figure 11 gives the explosive view of spare tyre lifter, and this spare tyre lifter achieves and instead of driven by shaking by motorized motions, both saves manpower, again convenient operation.
In sum, content of the present invention is not limited in the above-described embodiments, and those skilled in the art can propose other embodiment easily according to guiding theory of the present invention, and these embodiments all comprise within the scope of the present invention.
Claims (8)
1. a spare tyre lifter, comprise housing (1), outer driver (2), dust-proof inner cover (5), eccentric shaft (6), chain (7), it is characterized in that: the drive input of described eccentric shaft (6) extends first side (11) of described housing (1) and drive input is provided with worm gear (61); Described first side (11) is fixed with motor (3), and the axle head of the output shaft of described motor (3) is provided with the worm screw (31) engaged with described worm gear (61);
The bottom of described dust-proof inner cover (5) is symmetrically arranged with at least two claws (51) relative to its line of centers, described housing (1) is provided with the claw groove (13) matched with described claw (51), realizes the bottom of described dust-proof inner cover (5) and the clamping of described housing (1) by the cooperation of described claw (51) and claw groove (13); Top and the described housing (1) of described dust-proof inner cover (5) are bolted;
Described spare tyre lifter also comprises back tight spring (8), one end of described time tight spring (8) is connected with described outer driver (2), and the side that the other end is fitted with described housing (1) and outer driver (2) is connected.
2. spare tyre lifter according to claim 1, it is characterized in that: described spare tyre lifter also comprises cover of dust (4), described worm gear (61), worm screw (31) and motor (4), on described first side (11), cover in described cover of dust (4) by its spiral-lock.
3. spare tyre lifter according to claim 2, it is characterized in that: be provided with partition walls (41) in described cover of dust (4), described partition walls (41) isolates the body of described motor (3) and described worm gear (61) and worm screw (31).
4. spare tyre lifter according to claim 1, is characterized in that: described dust-proof inner cover (5) is plastic dust cover.
5. spare tyre lifter according to claim 1, it is characterized in that: described eccentric shaft (6) is equipped with away from one end of drive input the lock washer (9) preventing it from moving axially, described lock washer (9) is fitted with second side (12) of described housing (1).
6. spare tyre lifter according to claim 5, it is characterized in that: described lock washer (9) comprises conical ring (91), the inner circle wall of described conical ring (91) is provided with the annulus be made up of multiple fan-shaped projection (92), between described fan-shaped projection (92), is provided with gap.
7. spare tyre lifter according to claim 6, is characterized in that: described fan-shaped projection (92) is six, and each fan-shaped projection (92) is uniform in the circumference of described conical ring.
8. spare tyre lifter according to claim 1, is characterized in that: described chain (7) is provided with spare wheel lock (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105517.7A CN103832490B (en) | 2014-03-20 | 2014-03-20 | Spare tyre lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105517.7A CN103832490B (en) | 2014-03-20 | 2014-03-20 | Spare tyre lifter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103832490A CN103832490A (en) | 2014-06-04 |
| CN103832490B true CN103832490B (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410105517.7A Active CN103832490B (en) | 2014-03-20 | 2014-03-20 | Spare tyre lifter |
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| Country | Link |
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| CN (1) | CN103832490B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139806A (en) * | 2014-07-23 | 2014-11-12 | 安徽江淮汽车股份有限公司 | Automobile spare wheel up-down regulator |
| FR3086244B1 (en) * | 2018-09-24 | 2022-04-01 | Psa Automobiles Sa | VEHICLE COMPRISING A WHEEL HANDLING DEVICE AND CORRESPONDING HANDLING DEVICE |
| CN111744292A (en) * | 2020-07-03 | 2020-10-09 | 衢州学院 | Dust-proof device and dust-proof device control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4401641C1 (en) * | 1994-01-21 | 1995-02-23 | Daimler Benz Ag | Spare-wheel mounting |
| US6505488B1 (en) * | 1999-04-22 | 2003-01-14 | William E. Princell | Spare tire lock |
| CN2695326Y (en) * | 2004-04-21 | 2005-04-27 | 韩裕吾 | Electric Lifter for automobile spare tyre |
| CN2858442Y (en) * | 2005-11-08 | 2007-01-17 | 任宝云 | Automatic spare wheel frame for automobile |
| CN2920946Y (en) * | 2006-07-04 | 2007-07-11 | 邓建军 | Chain typ spare tyre lifter |
| CN201080210Y (en) * | 2007-03-23 | 2008-07-02 | 王银泉 | Automobile spare tyre bracket |
| CN202703723U (en) * | 2012-07-23 | 2013-01-30 | 武孔学 | Automobile spare tire hanging frame antitheft box |
-
2014
- 2014-03-20 CN CN201410105517.7A patent/CN103832490B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4401641C1 (en) * | 1994-01-21 | 1995-02-23 | Daimler Benz Ag | Spare-wheel mounting |
| US6505488B1 (en) * | 1999-04-22 | 2003-01-14 | William E. Princell | Spare tire lock |
| CN2695326Y (en) * | 2004-04-21 | 2005-04-27 | 韩裕吾 | Electric Lifter for automobile spare tyre |
| CN2858442Y (en) * | 2005-11-08 | 2007-01-17 | 任宝云 | Automatic spare wheel frame for automobile |
| CN2920946Y (en) * | 2006-07-04 | 2007-07-11 | 邓建军 | Chain typ spare tyre lifter |
| CN201080210Y (en) * | 2007-03-23 | 2008-07-02 | 王银泉 | Automobile spare tyre bracket |
| CN202703723U (en) * | 2012-07-23 | 2013-01-30 | 武孔学 | Automobile spare tire hanging frame antitheft box |
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| Publication number | Publication date |
|---|---|
| CN103832490A (en) | 2014-06-04 |
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Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230022 No. 176 Dongliu Road, Hefei City, Anhui Province Patentee before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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