CN103241297B - Spare tyre protection and lifting and fixing device - Google Patents
Spare tyre protection and lifting and fixing device Download PDFInfo
- Publication number
- CN103241297B CN103241297B CN201310179321.8A CN201310179321A CN103241297B CN 103241297 B CN103241297 B CN 103241297B CN 201310179321 A CN201310179321 A CN 201310179321A CN 103241297 B CN103241297 B CN 103241297B
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- Prior art keywords
- gear
- assembly
- spare tyre
- position limited
- lifting
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- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 239000000725 suspension Substances 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 6
- 229920001971 elastomer Polymers 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 229920001821 foam rubber Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Gears, Cams (AREA)
- Transmission Devices (AREA)
Abstract
The present invention relates to automobile spare tire external suspension bracket field, particularly relate to the protection of a kind of spare tyre and lifting and fixing device.A kind of spare tyre protection and lifting and fixing device, comprise mounting bracket assembly, assembly of drive gear, pallet assembly and steel rope, described mounting bracket assembly comprises large support, small rack and transmission tube and forms, described large support and small rack are fixedly connected on vehicle body, are fixedly linked between described large support and small rack by transmission tube; Described assembly of drive gear is fixedly mounted on large support, main shaft upper driving in described assembly of drive gear is connected with drive plate, drive plate is connected with internal gear disc by gear transmission, described internal gear disc external-open has wire casing, described steel rope one end is connected with pallet assembly, the steel rope other end in the wire casing of internal gear disc, the disc of described internal gear disc offers lightening hole through transmission tube solderless wrapped connection.Transmission device of the present invention is reasonable, and is alleviated the weight of movable parts by lightening hole, reaches rapid operation, the object that transmission irregularity is stable.
Description
Technical field
The present invention relates to automobile spare tire external suspension bracket field, particularly relate to the protection of a kind of spare tyre and lifting and fixing device.
Background technology
The spare tyre protection of commercial vehicle/comm..vehicle and lifting and fixing device are for loan at call, rise, fixing spare tyre and a kind of device protecting spare tyre in running car.Current existing spare tyre protection and lifting and fixing device mostly are the bracket formula mechanism of chain-type and transmission tube welding.
Wherein chain structure generally direct use cable wire chain fix spare tyre; owing to not having fixing motion track and not having accurate pre-tightening apparatus to cause mechanism, transmission is not steady in use, does not have obvious lock feature, cannot provide locking protection; operation time and effort consuming, noise is larger.
And the bracket formula mechanism of transmission tube welding, be generally welded by Combination Welding after steel pipe bending or by support bending, although this kind of structure is comparatively simple, disassembles and install and use inconvenience, easily damage spare tyre.
In addition, the stroke both this all cannot adjust, and is suitable for vehicle single, and easily occurs abnormal sound when crossing bad face.
Summary of the invention
Technical matters to be solved by this invention is to provide the protection of a kind of spare tyre and lifting and fixing device; by integral layout and the transmission device of appropriate design, achieve rapid operation, the object that transmission irregularity is stable; whole mechanism keeps specific predetermincd tension, prevents servant road surface, top from producing abnormal sound.
The present invention is achieved in that the protection of a kind of spare tyre and lifting and fixing device, comprise mounting bracket assembly, assembly of drive gear, pallet assembly and steel rope, described mounting bracket assembly comprises large support, small rack and transmission tube and forms, described large support and small rack are fixedly connected on vehicle body, are fixedly linked between described large support and small rack by transmission tube; Described assembly of drive gear is fixedly mounted on large support, main shaft upper driving in described assembly of drive gear is connected with drive plate, drive plate is connected with internal gear disc by gear transmission, described internal gear disc external-open has wire casing, described steel rope one end is connected with pallet assembly, and the steel rope other end passes transmission tube solderless wrapped connection in the wire casing of internal gear disc.
The disc of described internal gear disc offers lightening hole.
Described pallet assembly comprises the outer spare tyre link span and interior spare tyre link span that are fixedly linked, described outer spare tyre link span and interior spare tyre link span are sleeved on outside lock sleeve, and described steel rope one end is fixedly connected on pallet assembly by pad and snap close through lock sleeve axle center.
Described snap close is steel wire snap close, steel rope and snap close riveting integral.
Number of turns position limited gear and fine setting position limited gear is also provided with in described assembly of drive gear, described internal gear disc lateral surface is provided with a projection, described projection matches with number of turns position limited gear, described number of turns position limited gear and fine setting position limited gear coaxial linkage, the number of teeth of described fine setting position limited gear is greater than number of turns position limited gear, and fine setting limiting stopper is equipped with fine setting spring.
The number of teeth of described number of turns position limited gear is four, and the number of teeth of fine setting position limited gear is eight.
Described assembly of drive gear comprises main shaft, axle sleeve, eccentric gear, outer tooth disk, internal gear disc, housing and cover plate, described cover plate mounts cover on housing, described housing is fixedly mounted on large support, sealing cushion rubber is provided with between large support and housing, described main shaft is arranged on the central authorities of housing, it is spacing by snap ring that one end of main shaft passes cover plate, is provided with axle sleeve between main shaft and housing; Described drive plate interlock is sleeved on main shaft, and the U-shaped spring of an opening is installed in described drive plate inside, U-shaped spring has two projections coordinate with the cycloidal tooth of eccentric gear periphery; Described eccentric gear and outer tooth disk coaxial linkage, outer tooth disk has a U-type groove, U-lag and banking pin free-running fit, and described internal gear disc and outer tooth disk are that Cycloidal Wheel difference tooth coordinates, and outer tooth disk often does and once moves back and forth, and internal gear disc just rotates a tooth.
Described sealing cushion rubber is foam-rubber cushion.
Described drive plate center is splined hole, and main shaft coordinates with drive plate link through splined hole.
Spare tyre protection of the present invention and lifting and fixing device transmission device rationally, and alleviate the weight of movable parts by lightening hole, reach rapid operation, the object that transmission irregularity is stable; And utilize the unidirectional change type of drive of difference toothing (can prevent spare tyre from declining suddenly, realize real-time self-locking; By the distortion of U-shaped spring, can provide locking protection to spare tyre and whole device when locking, provide locking feedback during locking, whole mechanism keeps specific predetermincd tension simultaneously, prevents servant road surface, top from producing abnormal sound; Utilize the depth of groove of internal gear disc to set, the folding and unfolding extreme limit of travel of whole device all can be set, prevent overload from damaging; The use of number of turns position limited gear, can arrange different folding and unfolding strokes, to adapt to the vehicle of different ground Clearance.
Accompanying drawing explanation
Fig. 1 is the integral structure schematic diagram of spare tyre of the present invention protection and lifting and fixing device;
Fig. 2 is the structural representation of mounting bracket assembly in the present invention;
Fig. 3 is the structural representation of assembly of drive gear in the present invention;
Fig. 4 is the structural representation of pallet assembly in the present invention;
Fig. 5 is the structural representation of the amplification in eccentric gear region in the present invention;
Fig. 6 is the structural representation of finely tuning stop zone in the present invention.
In figure: 1 mounting bracket assembly, 2 assembly of drive gear, 3 pallet assemblies, 4 steel ropes, 5 large supports, 6 small racks, 7 transmission tubies, 8 fixed covers, 9 rivets, 10 sealing cushion rubbers, 11 main shafts, 12 axle sleeves, 13 drive plates, 14 eccentric gears, 15 U-shaped springs, 16 outer tooth disks, 17 internal gear disc, 18 housings, 19 cover plates, 20 lightening holes, 21 snap rings, 22 is protruding, 23 banking pins, 24 number of turns position limited gears, 25 fine setting position limited gears, 26 fine setting springs, 27 lock sleeves, 28 outer spare tyre link spans, spare tyre link span in 29, 30 pads, 31 snap closes.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's statement.
Embodiment 1
As shown in Figure 1, 2, 3, a kind of spare tyre protection and lifting and fixing device, comprise mounting bracket assembly 1, assembly of drive gear 2, pallet assembly 3 and steel rope 4, described mounting bracket assembly 1 comprises large support 5, small rack 6 and transmission tube 7 and forms, described large support 5 and small rack 6 are fixedly connected on vehicle body, are fixedly linked between described large support 5 and small rack 6 by transmission tube 7; Described assembly of drive gear 2 is fixedly mounted on large support 5, main shaft 11 upper driving in described assembly of drive gear 2 is connected with drive plate 13, drive plate 13 is connected with internal gear disc 17 by gear transmission, described internal gear disc 17 external-open has wire casing, described steel rope 4 one end is connected with pallet assembly 3, steel rope 4 other end in the wire casing of internal gear disc 17, the disc of described internal gear disc 17 offers lightening hole 20 through transmission tube 7 solderless wrapped connection;
As shown in Fig. 3,5, the present invention can further describe into, described assembly of drive gear 2 comprises main shaft 11, axle sleeve 12, eccentric gear 14, outer tooth disk 16, internal gear disc 17, housing 18 and cover plate 19, described cover plate 19 mounts cover on housing 18, described housing 18 is fixedly mounted on large support 5, be provided with the sealing cushion rubber 10 be made up of foam-rubber cushion between large support 5 and housing 18, realize the sealing to whole transmission device and protection; Described main shaft 11 is arranged on the central authorities of housing 18, and it is spacing by snap ring 21 that one end of main shaft 11 passes cover plate 19, in order to the position of fixed main shaft 11 on whole assembly of drive gear, prevents main shaft 11 from coming off; Axle sleeve 12 is provided with between main shaft 11 and housing 18; Described drive plate 13 interlock is sleeved on main shaft 11, the U-shaped spring 15 of an opening is installed in described drive plate 13 inside, U-shaped spring 15 there are two projections coordinate with the cycloidal tooth of eccentric gear 14 periphery, drive plate 13 drives U-shaped spring 15 to move, and U-shaped spring 15 utilizes its rigidity to drive eccentric gear 14 to rotate; After spare tyre starts to tighten, moment of torsion continues to increase, and the distortion of U-shaped spring 15 strengthens, and after spare tyre is locked completely, the projection of U-shaped spring 15 and the cycloidal tooth of eccentric gear 14 depart from, and skidding appears in whole mechanism kinematic, realizes locking and feeds back; The setting of different predetermincd tension can also be realized by arranging different U-shaped spring 15 rigidity; Described eccentric gear 14 and outer tooth disk 16 coaxial linkage, outer tooth disk 16 has a U-type groove, U-lag and banking pin 23 free-running fit, by the eccentric drive of eccentric gear 14, outer tooth disk 16 moves back and forth around banking pin 23; Because in U-type groove, limited location nail 23 coordinates with it, make spare tyre when slinging or put down, whole transmission device cannot inverse motion, and described internal gear disc 17 and outer tooth disk 16 coordinate for Cycloidal Wheel difference tooth, outer tooth disk 16 often does and once moves back and forth, and internal gear disc 17 just rotates a tooth.
In the present embodiment, described drive plate 13 center is splined hole, and main shaft 11 coordinates with drive plate 13 through splined hole and links; Described transmission tube 7 one end is fixedly mounted on large support 5 by fixed cover 8 and rivet 9, and transmission tube 7 other end is weldingly fixed on small rack 6.
As shown in Figure 4, the present invention can further describe into, described pallet assembly 3 comprises the outer spare tyre link span 28 and interior spare tyre link span 29 that are fixedly linked in order to support the locking of spare tyre, described outer spare tyre link span 28 and interior spare tyre link span 29 are sleeved on outside lock sleeve 27, described lock sleeve 27 is polyurethane gum cover, polyurethane gum cover its provide certain predetermincd tension by the distortion of self, described steel rope 4 one end is fixedly connected on pallet assembly 3 through lock sleeve 27 axle center by pad 30 and snap close 31, in the present embodiment, described snap close 31 is steel wire snap close, steel rope 4 is integral with snap close 31 riveting.
As shown in Figure 6, the present invention can further describe into, number of turns position limited gear 24 and fine setting position limited gear 25 is also provided with in described assembly of drive gear 2, described internal gear disc 17 lateral surface is provided with a projection 22, described protruding 22 match with number of turns position limited gear 24, internal gear disc 17 often rotates a circle, number of turns position limited gear 24 dials a tooth, described number of turns position limited gear 24 and fine setting position limited gear 25 there is coaxial aperture, jointly be contained on banking pin 23, the number of teeth of described fine setting position limited gear 25 is greater than number of turns position limited gear 24, the number of teeth of finely tuning position limited gear 25 in this embodiment is a times of number of turns position limited gear 24, the number of teeth of number of turns position limited gear 24 is four, the number of teeth of fine setting position limited gear 25 is eight, fine setting limiting stopper 25 is equipped with fine setting spring 26, can be adjusted fine setting limiting stopper 25 by fine setting spring 26, realize the meticulous adjustment to number of turns position limited gear 24, indirectly realize the adjustment of the steel rope 4 folding and unfolding stroke to internal gear disc 17 and whole mechanism, simultaneously by the adjustment of projection in the position of number of turns position limited gear 24 of internal gear disc 17, the setting of whole mechanism folding and unfolding limit travel can be set, on cover plate 19, offering one just to the hole of fine setting spring 26 for the ease of regulating, a sponge plug sealing being set in this hole, preventing dust.
Claims (5)
1. a spare tyre protection and lifting and fixing device, it is characterized in that: comprise mounting bracket assembly (1), assembly of drive gear (2), pallet assembly (3) and steel rope (4), described mounting bracket assembly (1) comprises large support (5), small rack (6) and transmission tube (7) and forms, described large support (5) and small rack (6) are fixedly connected on vehicle body, are fixedly linked between described large support (5) and small rack (6) by transmission tube (7); Described assembly of drive gear (2) is fixedly mounted on large support (5), main shaft (11) upper driving in described assembly of drive gear (2) is connected with drive plate (13), drive plate (13) is connected with internal gear disc (17) by gear transmission, described internal gear disc (17) external-open has wire casing, described steel rope (4) one end is connected with pallet assembly (3), and steel rope (4) other end passes transmission tube (7) solderless wrapped connection in the wire casing of internal gear disc (17); Number of turns position limited gear (24) and fine setting position limited gear (25) is also provided with in described assembly of drive gear (2), described internal gear disc (17) lateral surface is provided with a projection (22), described projection (22) matches with number of turns position limited gear (24), described number of turns position limited gear (24) and fine setting position limited gear (25) coaxial linkage, the number of teeth of described fine setting position limited gear (25) is greater than number of turns position limited gear (24), and fine setting spring (26) is equipped with in fine setting position limited gear (25).
2. spare tyre protection as claimed in claim 1 and lifting and fixing device, is characterized in that: the disc of described internal gear disc (17) offers lightening hole (20).
3. spare tyre protection as claimed in claim 1 and lifting and fixing device; it is characterized in that: described pallet assembly (3) comprises the outer spare tyre link span (28) and interior spare tyre link span (29) that are fixedly linked; described outer spare tyre link span (28) and interior spare tyre link span (29) are sleeved on lock sleeve (27) outward, and described steel rope (4) one end is fixedly connected on pallet assembly (3) by pad (30) and snap close (31) through lock sleeve (27) axle center.
4. spare tyre protection as claimed in claim 3 and lifting and fixing device, it is characterized in that: described snap close (31) is steel wire snap close, steel rope (4) is integral with snap close (31) riveting.
5. spare tyre protection as claimed in claim 1 and lifting and fixing device, it is characterized in that: the number of teeth of described number of turns position limited gear (24) is four, the number of teeth of fine setting position limited gear (25) is eight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310179321.8A CN103241297B (en) | 2013-05-15 | 2013-05-15 | Spare tyre protection and lifting and fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310179321.8A CN103241297B (en) | 2013-05-15 | 2013-05-15 | Spare tyre protection and lifting and fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103241297A CN103241297A (en) | 2013-08-14 |
| CN103241297B true CN103241297B (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310179321.8A Expired - Fee Related CN103241297B (en) | 2013-05-15 | 2013-05-15 | Spare tyre protection and lifting and fixing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103241297B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106275108B (en) * | 2015-05-13 | 2018-08-10 | 上海汽车集团股份有限公司 | Spare tyre lifter |
| CN110979481A (en) * | 2019-11-29 | 2020-04-10 | 东风小康汽车有限公司重庆分公司 | Spare tire installation assembly |
| CN112768942B (en) * | 2020-12-31 | 2022-07-26 | 京信通信技术(广州)有限公司 | Multi-frequency antenna and centralized control phase-shifting device and lifting position-selecting mechanism thereof |
| CN115384640B (en) * | 2022-08-09 | 2024-05-07 | 福建田中机械科技股份有限公司 | Spare tyre rack |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2563055Y (en) * | 2002-09-03 | 2003-07-30 | 林庆江 | Spare type frame for automobile |
| US6871841B2 (en) * | 2002-11-06 | 2005-03-29 | Deuer Manufacturing Inc. | Apparatus for supporting a spare tire and wheel assembly on a motor vehicle |
| ITTO20070287A1 (en) * | 2007-04-27 | 2008-10-28 | Otelli Riccardo Di Otelli Carlo | DEVICE FOR LIFTING AND LOWERING A SPARE WHEEL OF A VEHICLE |
| CN102120467A (en) * | 2011-02-25 | 2011-07-13 | 江铃汽车股份有限公司 | Spare tire fixing device |
| CN202038382U (en) * | 2011-05-18 | 2011-11-16 | 广汽吉奥汽车有限公司 | Motor vehicle and spare tire elevator thereof |
| CN103057607B (en) * | 2013-01-17 | 2016-01-06 | 丹阳荣嘉精密机械有限公司 | Spare tyre lifting and fixing device |
| CN203268173U (en) * | 2013-05-15 | 2013-11-06 | 上海汽车集团股份有限公司 | Spare wheel protection and lifting fixing device |
-
2013
- 2013-05-15 CN CN201310179321.8A patent/CN103241297B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN103241297A (en) | 2013-08-14 |
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Granted publication date: 20151021 |