CN114013521A - Spare tire lifter with eccentric wheel and driving wheel integrated stamping structure - Google Patents
Spare tire lifter with eccentric wheel and driving wheel integrated stamping structure Download PDFInfo
- Publication number
- CN114013521A CN114013521A CN202111242983.6A CN202111242983A CN114013521A CN 114013521 A CN114013521 A CN 114013521A CN 202111242983 A CN202111242983 A CN 202111242983A CN 114013521 A CN114013521 A CN 114013521A
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- China
- Prior art keywords
- eccentric
- driving wheel
- wheel
- fluted disc
- spare tire
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- Pending
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- 238000000034 method Methods 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims abstract description 4
- 210000000078 claw Anatomy 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 3
- 238000004663 powder metallurgy Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D43/00—Spare wheel stowing, holding, or mounting arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/22—Cranks; Eccentrics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a spare tire lifter with an eccentric wheel and a driving wheel in an integrated stamping structure, which comprises a rotating shaft, an outer fluted disc and an inner fluted disc, the outer fluted disc and the inner fluted disc are both sleeved on the rotating shaft and are in transmission connection, it is characterized in that the rotating shaft is provided with an eccentric driving wheel, the eccentric driving wheel is provided with a central hole, the eccentric driving wheel is provided with a plurality of forming holes, the eccentric wheel is provided with an arc-shaped plate, the spare tire lifter adopts sheet metal integrated punch forming, has higher processing precision than the original design, and reduces material consumption and processing cost by the sheet metal structure and the punching process.
Description
Technical Field
The invention relates to the technical field of spare tire lifters, in particular to a spare tire lifter with an eccentric wheel and a driving wheel in an integrated stamping structure.
Background
With the progress of society and the development of the automobile industry, the simplicity and convenience of automobile use are more and more concerned by customers. In order to enable customers to conveniently and easily disassemble and assemble the spare tire, more and more passenger vehicles adopt the spare tire lifter to replace an original spare tire support.
The eccentric driving structure in the existing spare tire lifter comprises a rotating shaft, a driving wheel, an eccentric wheel and an outer fluted disc, wherein an inner fluted disc rotating shaft 1 drives the driving wheel 2 to rotate around the center of the rotating shaft, the driving wheel 2 drives the eccentric wheel 3 to eccentrically rotate through a key groove, the outer circle of the eccentric wheel 3 is matched with the inner hole of the outer fluted disc 4 to drive the outer fluted disc 4 to circularly move around the center of the rotating shaft by taking an eccentric distance d as a radius, and the outer fluted disc 4 is meshed with an inner fluted disc 5 to do differential motion.
However, the existing eccentric driving structure has the following disadvantages:
1. the driving wheel and the eccentric wheel are matched with each other, so that the precision requirement is high, but the manufacturing precision is poor;
2. the eccentric wheel is formed by sintering powder metallurgy, the quality is greatly influenced by sintering parameters, and the defects of brittle fracture and the like are easily generated;
3. powder metallurgy is relatively expensive.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide the spare tire lifter with the eccentric wheel and the driving wheel in the integrated stamping structure.
The purpose of the invention can be realized by the following technical scheme:
a spare tire lifter with an eccentric wheel and a driving wheel in an integrated stamping structure comprises a rotating shaft, an outer fluted disc and an inner fluted disc, wherein the outer fluted disc and the inner fluted disc are both sleeved on the rotating shaft and are in transmission connection with each other;
the eccentric driving wheel is provided with a central hole, the eccentric driving wheel is provided with a plurality of forming holes, the eccentric wheel is provided with an arc-shaped plate, the number of the arc-shaped plate and the number of the forming holes are the same, and the forming holes and the arc-shaped plate are distributed on the periphery of the central hole in a circular array mode.
As a preferred scheme of the invention, a plurality of arc-shaped plates form an eccentric excircle, and an eccentric distance d exists between the circle center of the eccentric excircle and the circle center of a central hole.
As a preferable scheme of the invention, two claws are symmetrically arranged on the side edge of the eccentric driving wheel.
As a preferable aspect of the present invention, the number of the arc plates and the forming holes is preferably three.
A method for forming a spare tire lifter with an eccentric wheel and a driving wheel which are of an integrated stamping structure; the molding method comprises the following process steps;
s1, blanking and stamping, wherein the plate is stamped to form an octagon-like plate, square protruding blocks are reserved at two ends of the octagon-like plate, a central hole and a forming hole are stamped on the plate at the same time,
s2, bending and forming, namely bending the square protruding block and the arc protruding block formed after punching by 90 degrees respectively to form a claw and an arc plate respectively to obtain a complete eccentric driving wheel,
s3, fine processing, grinding the punched part of the plate, removing burrs, and coating lubricating oil on the formed eccentric driving wheel
In a preferred embodiment of the present invention, the outer surface of the arc plate is polished.
The invention has the beneficial effects that:
1. the invention adopts the integrated punch forming of the metal plate, and the processing precision is higher than the original design;
2. the sheet metal structure and the stamping process reduce the material consumption and the processing cost;
2. according to the invention, the steel plate with higher strength is adopted for stamping, the overall strength is higher than that of the original powder metallurgy, and the fracture defect is avoided;
2. the invention has simple structure, stable process and reliable quality.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic illustration of an explosive structure according to the present invention;
fig. 2 is a schematic view of the construction of the eccentric driving wheel in the present invention.
In the figure:
1. a rotating shaft; 2. an external fluted disc; 3. an inner fluted disc; 4. an eccentric drive wheel; 5. a central bore; 6. forming holes; 7. an arc-shaped plate; 8. a claw is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
As shown in fig. 1-2, a spare tire lifter with an eccentric wheel and a driving wheel integrated stamping structure comprises a rotating shaft 1, an outer fluted disc 2 and an inner fluted disc 3, wherein the outer fluted disc 2 and the inner fluted disc 3 are both sleeved on the rotating shaft 1, and the outer fluted disc 2 is in transmission connection with the inner fluted disc 3, and is characterized in that the rotating shaft 1 is provided with an eccentric driving wheel 4;
the eccentric driving wheel 4 is provided with a central hole 5, the eccentric driving wheel 4 is provided with a plurality of forming holes 6, the eccentric wheel is provided with an arc-shaped plate 7, the arc-shaped plate 7 and the forming holes 6 are equal in number, and the forming holes 6 and the arc-shaped plate 7 are distributed on the periphery of the central hole 5 in a circular array mode.
The arc plates 7 form an eccentric excircle, and an eccentric distance d exists between the circle center of the eccentric excircle and the circle center of the central hole 5.
The rotating shaft 1 drives the eccentric driving wheel 4 to do circular motion around the central hole through other mechanisms, and the eccentric excircle formed by the three sections of arc-shaped plates 7 is matched with the central hole of the external gear disc 3 to do circular motion with the radius d around the central hole of the eccentric driving wheel 4, so that differential motion of the external gear disc 3 between the internal gear discs 2 is realized.
Two claws 8 are symmetrically arranged on the side edge of the eccentric driving wheel 4.
The number of arcuate plates 7 and shaping holes 6 is preferably three.
A method for forming a spare tire lifter with an eccentric wheel and a driving wheel which are of an integrated stamping structure; the molding method comprises the following process steps;
s1, blanking and stamping, wherein the plate is stamped to form an octagon-like plate, square protruding blocks are reserved at two ends of the octagon-like plate, a central hole 5 and a forming hole 6 are stamped on the plate at the same time,
s2, bending and forming, namely bending the square protruding block and the arc protruding block formed after punching by 90 degrees respectively to form a claw 8 and an arc plate 7 respectively to obtain a complete eccentric driving wheel 4,
s3, fine processing, grinding the punched part of the plate, removing burrs, and coating lubricating oil on the formed eccentric driving wheel 4
The outer side surface of the arc plate 7 is subjected to polishing treatment.
When the device is used, the rotating shaft 1 drives the driving wheel to rotate around the center of the rotating shaft 1, the eccentric driving wheel 4 drives the outer fluted disc 2 to do circular motion taking the eccentric distance d as the radius around the center of the rotating shaft 1 through the matching of the eccentric outer circle of the three-jaw type and the inner hole of the outer fluted disc 2, the outer fluted disc 2 is meshed with the inner fluted disc 3 to do differential motion, the rotating shaft 1 rotates for one circle, and the outer fluted disc 2 drives the inner fluted disc 3 to rotate for one tooth, so that the functions of reducing the rotating speed by times and increasing the torque by times are realized.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (6)
1. A spare tire lifter with an eccentric wheel and a driving wheel integrated stamping structure comprises a rotating shaft (1), an outer fluted disc (2) and an inner fluted disc (3), wherein the outer fluted disc (2) and the inner fluted disc (3) are sleeved on the rotating shaft (1), and the outer fluted disc (2) is in transmission connection with the inner fluted disc (3), and is characterized in that the rotating shaft (1) is provided with an eccentric driving wheel (4);
the eccentric driving wheel (4) is provided with a center hole (5), the eccentric driving wheel (4) is provided with a plurality of forming holes (6), the eccentric wheel is provided with an arc-shaped plate (7), the number of the arc-shaped plate (7) is the same as that of the forming holes (6), and the forming holes (6) and the arc-shaped plate (7) are distributed on the periphery of the center hole (5) in a circular array mode.
2. The spare tire lifter with an eccentric wheel and driving wheel integrated stamping structure according to claim 1, wherein a plurality of arc plates (7) form an eccentric outer circle, and an eccentric distance d exists between the center of the eccentric outer circle and the center of the central hole (5).
3. The spare tire lifter with an eccentric wheel and a driving wheel in an integrated stamping structure as claimed in claim 1, characterized in that two claws (8) are symmetrically arranged on the side edge of the eccentric driving wheel (4).
4. The spare tire lifter with an eccentric wheel and a driving wheel in an integrated stamping structure according to claim 1, characterized in that the number of the arc-shaped plates (7) and the molding holes (6) is preferably three.
5. A forming method of a spare tire lifter with an eccentric wheel and driving wheel integrated stamping structure comprises the spare tire lifter with the eccentric wheel and driving wheel integrated stamping structure as claimed in any one of claims 1 to 4, and is characterized by comprising the following process steps;
s1, blanking and stamping, wherein the plate is stamped to form an octagon-like plate, square protruding blocks are reserved at two ends of the octagon-like plate, a central hole (5) and a forming hole (6) are stamped on the plate at the same time,
s2, bending and forming, namely bending the square protruding block and the arc protruding block formed after punching by 90 degrees respectively to form a claw (8) and an arc plate (7) respectively to obtain a complete eccentric driving wheel (4),
and S3, fine processing, namely grinding the punched part of the plate, removing burrs, and coating lubricating oil on the formed eccentric driving wheel (4).
6. The method for forming a spare tire lifter with an eccentric wheel and a driving wheel in an integrated stamping structure according to claim 5, wherein the outer side surface of the arc-shaped plate (7) is subjected to polishing treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111242983.6A CN114013521A (en) | 2021-10-25 | 2021-10-25 | Spare tire lifter with eccentric wheel and driving wheel integrated stamping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111242983.6A CN114013521A (en) | 2021-10-25 | 2021-10-25 | Spare tire lifter with eccentric wheel and driving wheel integrated stamping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114013521A true CN114013521A (en) | 2022-02-08 |
Family
ID=80057555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111242983.6A Pending CN114013521A (en) | 2021-10-25 | 2021-10-25 | Spare tire lifter with eccentric wheel and driving wheel integrated stamping structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114013521A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4969630A (en) * | 1981-06-25 | 1990-11-13 | Deuer Manufacturing Inc. | Tire lift/carrier |
| CN101618738A (en) * | 2009-08-07 | 2010-01-06 | 安徽江南机械有限责任公司 | Spare tire lifting and fixing device |
| CN201777317U (en) * | 2010-02-27 | 2011-03-30 | 比亚迪股份有限公司 | Automotive spare tire lifter |
| CN105035191A (en) * | 2015-07-07 | 2015-11-11 | 北京长安汽车工程技术研究有限责任公司 | Spare tire lifter and car |
| CN205469343U (en) * | 2016-03-07 | 2016-08-17 | 宁波余交汽车零部件制造有限公司 | Lifter for spare tyre |
| CN106335559A (en) * | 2015-07-17 | 2017-01-18 | 上汽通用五菱汽车股份有限公司 | Component for spare wheel up-down regulator |
| CN107651028A (en) * | 2017-09-25 | 2018-02-02 | 安徽江淮汽车集团股份有限公司 | A kind of spare tyre lifter |
| CN207002094U (en) * | 2017-07-06 | 2018-02-13 | 北京汽车股份有限公司 | Spare tyre winch mechanism |
| CN207986564U (en) * | 2016-11-29 | 2018-10-19 | 福特环球技术公司 | The capstan winch of spare wheel for vehicle |
| CN211765920U (en) * | 2019-12-30 | 2020-10-27 | 安徽江南机械有限责任公司 | Inner rotating disc and outer rotating disc structure for automobile spare tire lifter |
-
2021
- 2021-10-25 CN CN202111242983.6A patent/CN114013521A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4969630A (en) * | 1981-06-25 | 1990-11-13 | Deuer Manufacturing Inc. | Tire lift/carrier |
| CN101618738A (en) * | 2009-08-07 | 2010-01-06 | 安徽江南机械有限责任公司 | Spare tire lifting and fixing device |
| CN201777317U (en) * | 2010-02-27 | 2011-03-30 | 比亚迪股份有限公司 | Automotive spare tire lifter |
| CN105035191A (en) * | 2015-07-07 | 2015-11-11 | 北京长安汽车工程技术研究有限责任公司 | Spare tire lifter and car |
| CN106335559A (en) * | 2015-07-17 | 2017-01-18 | 上汽通用五菱汽车股份有限公司 | Component for spare wheel up-down regulator |
| CN205469343U (en) * | 2016-03-07 | 2016-08-17 | 宁波余交汽车零部件制造有限公司 | Lifter for spare tyre |
| CN207986564U (en) * | 2016-11-29 | 2018-10-19 | 福特环球技术公司 | The capstan winch of spare wheel for vehicle |
| CN207002094U (en) * | 2017-07-06 | 2018-02-13 | 北京汽车股份有限公司 | Spare tyre winch mechanism |
| CN107651028A (en) * | 2017-09-25 | 2018-02-02 | 安徽江淮汽车集团股份有限公司 | A kind of spare tyre lifter |
| CN211765920U (en) * | 2019-12-30 | 2020-10-27 | 安徽江南机械有限责任公司 | Inner rotating disc and outer rotating disc structure for automobile spare tire lifter |
Non-Patent Citations (1)
| Title |
|---|
| 郭武龙主编: "《现代钣金加工技术》", 31 January 2014, 华南理工大学出版社 * |
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Application publication date: 20220208 |