CN110539587A - Tire replacement auxiliary device - Google Patents
Tire replacement auxiliary device Download PDFInfo
- Publication number
- CN110539587A CN110539587A CN201810529539.4A CN201810529539A CN110539587A CN 110539587 A CN110539587 A CN 110539587A CN 201810529539 A CN201810529539 A CN 201810529539A CN 110539587 A CN110539587 A CN 110539587A
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- China
- Prior art keywords
- base
- lifting mechanism
- tire
- rotating platform
- main
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 238000005452 bending Methods 0.000 claims description 12
- 210000000078 claw Anatomy 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B29/00—Apparatus or tools for mounting or dismounting wheels
- B60B29/001—Apparatus or tools for mounting or dismounting wheels comprising lifting or aligning means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B29/00—Apparatus or tools for mounting or dismounting wheels
- B60B29/002—Apparatus or tools for mounting or dismounting wheels provided with a dolly
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses a tire changing auxiliary device which comprises a base, a rotating platform, an auxiliary lifting mechanism, a main lifting mechanism, a claw and a plurality of clamping holes, wherein the rotating platform is arranged in the middle of the top surface of the base and is rotationally connected with the base, the rotating platform is used for rotating 360 degrees to adjust the position of a tire, the auxiliary lifting mechanism is arranged on the top surface of the base and is positioned at one side of the rotating platform and is used for pushing a spare tire in the horizontal direction, the main lifting mechanism is arranged on the top surface of the base and is positioned at the other side of the rotating platform and is opposite to the auxiliary lifting mechanism and is used for adjusting the horizontal height of the main operating mechanism, the main operating mechanism is arranged at the top of the main lifting mechanism, the telescopic arm is arranged on the main operating mechanism, the telescopic direction faces one side. Compared with the prior art, the tire grabbing device has the advantages of simple structure, convenience in use and moderate volume, can be placed in a spare compartment, can realize auxiliary operation of grabbing and replacing tires at specified positions, and can meet the requirement of replacing tires of various types of private cars.
Description
Technical Field
The invention belongs to the technical field of vehicle tire changing equipment, and particularly relates to a tire changing auxiliary device.
Background
with the economy further soaring, private cars have begun to walk into thousands of households. However, when the automobile runs on the road, the tire is abnormal, and if the spare tire is replaced on the spot or the automobile waits for road rescue, the difficult people can not be found and the meeting people can not be found. How many drivers can independently replace the tire, and how many female drivers can independently replace the tire is a considerable problem.
since the beginning of China in the 80 th century, private automobiles appear, and the social holdings of 2003 reach 1219 thousands, the private automobiles break through ten million cars for nearly 20 years, and break through 2000 thousands only for 3 years. In 2010, the keeping quantity of automobiles in China reaches 7000 thousands. By 8 months in 2011, the number of motor vehicles in the country reaches 2.19 hundred million. Wherein, the automobile keeping amount firstly breaks through 1 hundred million customs, and accounts for 45.88 percent of the total amount of the motor vehicles.
By the end of 2014, nationwide motor vehicles were kept in an amount of 2.64 million, with 1.54 million cars. In 2014, small passenger cars (7 seats and under 7 seats) reached 1.17 million, of which small passenger cars (private cars) registered on behalf of individuals reached 1.05 million, accounting for 90.16% of the small passenger cars. Compared with 2013, the number of private cars is increased by 1752 thousands, and the increase is 19.89%.
With the increasing number of private cars, the problems are increased. The reason for this is that the number of reserves is large, and vehicle tire deflation is a condition that occurs more frequently in daily life.
We randomly asked 40 teachers (20 men and 20 women) in a school to obtain the following data:
| serial number | Problem(s) | Male sex | female with a view to preventing the formation of wrinkles | Analysis of |
| 1 | number of annual tyre changes (mean value) | 0.6 times | 0.5 times | all run in urban road section, and the road condition is better |
| 2 | the tyre can be changed by oneself after being deflated | 19 persons | 2 persons | Subjective judgment to enable self-replacement of tires |
| 3 | Experience of once replaced tires or helping others replace tires | 6 persons | 0 person | Experience of tire replacement in the last year |
| 4 | waiting for rescue at roadside if the tire needs to be replaced (family, maintenance shop, passerby) | 7 persons | 15 persons | After the tire leaks in the suburb road section, the vehicle stops at the roadside to wait for rescue or continues to run at a slow speed |
From the above data, although the range of the sampling base number is small, a certain tendency can be exhibited. Or most drivers will not change tires. When the tire is abnormal and needs to be replaced with a spare tire, most drivers still need the help of other personnel.
An emerging category of automotive supplies that has emerged with the advent of the automotive age: the auxiliary tire changing equipment is divided into manual, semi-automatic and full-automatic equipment.
Disclosure of Invention
In view of this, it is necessary to provide a tire replacement auxiliary device which has a simple structure, is convenient to use, has a moderate volume, can be placed in a spare compartment, can realize auxiliary operations of tire grabbing and replacement at a specified position, and can meet the requirements of replacement of various types of private car tires.
In order to overcome the defects in the prior art, the invention provides the following technical scheme:
The utility model provides a trade child auxiliary device, includes base 1, as the basis that falls to the ground of device, contacts with ground, its characterized in that still includes:
the rotating platform 4 is arranged on the top surface of the base 1 in the middle and is rotationally connected with the base, the rotating platform 4 is used for rotating 360 degrees to adjust the position of the tyre,
An auxiliary lifting mechanism 3 arranged on the top surface of the base 1 and positioned at one side of the rotating platform 4 and used for pushing the spare tire in the horizontal direction to rotate the spare tire to be in the vertical direction and finally fall to the rotating platform 4,
A main lifting mechanism 5 which is arranged on the top surface of the base 1, is positioned on the other side of the rotating platform 4, is arranged opposite to the auxiliary lifting mechanism 3 and is used for adjusting the horizontal height of the main operating mechanism 6 so as to grab the tires at different heights,
a main operating mechanism 6 arranged on the top of the main lifting mechanism 5,
A telescopic arm 8 arranged on the main operating mechanism 6, the telescopic direction of which faces one side of the auxiliary lifting mechanism 3 and is used for adjusting the front and back positions of the tire,
and the clamping jaw 9 is arranged at the free end of the telescopic arm 8 and used for grabbing the spoke type hub or the clamping hole type hub.
Preferably, the base 1 is a bar shape as a whole,
or:
the base 1 is hexagonal as a whole,
or:
the base 1 is integrally disc-shaped.
Preferably, the rotating platform 4 is provided with bending edges extending upwards at two symmetrical side edges thereof for limiting the position of the tire,
The distance W between the bending edges is larger than the upper limit of the thickness of the tire.
Preferably, at least one side of the bending edges is arranged on the sliding guide rail and is used for adjusting the distance W between the bending edges,
And a matched locking device is arranged on the sliding guide rail and used for fixing the bent edge to prevent the bent edge from moving.
Preferably, the auxiliary lifting mechanism 3 and the main lifting mechanism 5 are both hydraulically driven, and are provided with a manual operating handle and an electric control driving interface.
preferably, the elevation height of the main elevation mechanism 5 is larger than the elevation height of the sub elevation mechanism 3.
Preferably, the bottom of the base 1 is provided with a roller,
At least four support legs 2 are arranged at the bottom of the base 1,
The support legs 2 are rotatably connected with the bottom of the base 1, so that the support legs 2 can be unscrewed towards different directions around the base 1 respectively.
preferably, the main operating mechanism 6 is connected with the main lifting mechanism 5 through a rotary connecting mechanism,
the rotary connection is used to rotate the main operating mechanism 6 at least within 180 degrees.
Preferably, the top of the main operating mechanism 6 is provided with at least one telescopic indicator light 7.
Preferably, the jaws 9 are provided with an angle adjustment universal head for aligning the jaws 9 with the hub bolt holes.
Compared with the prior art, the technical scheme of the invention has the advantages of simple structure, convenient use and moderate volume, can be placed in a spare compartment, can realize the auxiliary operation of grabbing and replacing the tire at the designated position, and can meet the requirement of replacing the tires of various types of private cars.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic diagram of the vehicle ground clearance and trunk height.
Fig. 3.a-3.c are schematic views of rotating a spare tire from a horizontal orientation to a vertical orientation.
wherein:
Figure 3.a the spare tire is in a horizontal orientation,
Figure 3.b during the rotation of the spare wheel,
Fig. 3.c the spare tire is in a vertical orientation.
Detailed Description
The invention will be further explained with reference to the drawings.
The following conclusions are obtained by carrying out statistical analysis on the parameters such as the sizes of the existing vehicles and the tires of the vehicles:
Conclusion 1, 5 and below 5 vehicles 98% of the wheel hub sizes are between 14-22 inches, with 16-20 inch wheel hubs accounting for around 85%. The overall weight of the tire (including the hub) is generally between 12kg and 20 kg.
And in conclusion 2, the spare tire placing positions comprise three positions, namely the bottom of a trunk, the external tail and the bottom of a vehicle (generally, the number of trucks is large). Wherein the tire placed at the bottom position in the trunk is also placed in a positive mode or a reverse mode.
conclusion 3, as shown in fig. 2, the minimum ground clearance for a vehicle is typically between 12cm and 18 cm. The boot height (meaning the distance from the trunk edge to the ground) is mostly between 62cm and 95cm, while the spare tire placement height is generally lower than this dimension, but higher when removing the spare tire (actual removal height = boot height + tire thickness + robot height + safety distance).
as shown in fig. 1, a tire replacement assisting device includes:
the base 1 is used as a grounding base of the device and is contacted with the ground,
The rotating platform 4 is arranged on the top surface of the base 1 in the middle and is rotationally connected with the base, the rotating platform 4 is used for rotating 360 degrees to adjust the position of the tyre,
An auxiliary lifting mechanism 3 arranged on the top surface of the base 1 and positioned at one side of the rotating platform 4 and used for pushing the spare tire in the horizontal direction to rotate the spare tire to be in the vertical direction and finally fall to the rotating platform 4,
A main lifting mechanism 5 which is arranged on the top surface of the base 1, is positioned on the other side of the rotating platform 4, is arranged opposite to the auxiliary lifting mechanism 3 and is used for adjusting the horizontal height of the main operating mechanism 6 so as to grab the tires at different heights,
A main operating mechanism 6 arranged on the top of the main lifting mechanism 5,
A telescopic arm 8 arranged on the main operating mechanism 6, the telescopic direction of which faces one side of the auxiliary lifting mechanism 3 and is used for adjusting the front and back positions of the tire,
And the clamping jaw 9 is arranged at the free end of the telescopic arm 8 and used for grabbing the spoke type hub or the clamping hole type hub.
On the basis of the technical scheme, the base 1 is integrally strip-shaped,
Or:
The base 1 is hexagonal as a whole,
or:
the base 1 is integrally disc-shaped.
on the basis of the technical scheme, the two symmetrical side edges of the rotating platform 4 are provided with bending edges extending upwards for limiting the tire,
The distance W between the bending edges is larger than the upper limit of the thickness of the tire.
In the embodiment shown in fig. 1, the left side edge and the right side edge are provided with bending edges extending upwards, and the rotating platform 4 can rotate, so that the positions of the bending edges can be adjusted as required.
On the basis of the technical scheme, at least one side of the bending edge is arranged on the sliding guide rail and is used for adjusting the distance W between the bending edges,
And a matched locking device is arranged on the sliding guide rail and used for fixing the bent edge to prevent the bent edge from moving.
on the basis of the technical scheme, the auxiliary lifting mechanism 3 and the main lifting mechanism 5 are driven by hydraulic pressure and are provided with manual operation handles and electric control driving interfaces.
the auxiliary lifting mechanism 3 and the main lifting mechanism 5 both support manual operation and electric control driving, and the specific type selection of the control part and the hydraulic part can be implemented according to the prior art, can adopt commercially available finished products and is not described in detail.
The lifting height of the main lifting mechanism 5 is larger than that of the auxiliary lifting mechanism 3. The height difference between the two can meet the requirement that the tire grabbed by the claw 9 can be randomly adjusted in position between the two.
On the basis of the technical scheme, the bottom of the base 1 is provided with a roller,
At least four support legs 2 are arranged at the bottom of the base 1,
the support legs 2 are rotatably connected with the bottom of the base 1, so that the support legs 2 can be unscrewed towards different directions around the base 1 respectively.
The support legs 2 are used for increasing the area of the bottom and preventing the device from turning on one side.
on the basis of the technical scheme, the main operating mechanism 6 is connected with the main lifting mechanism 5 through a rotary connecting mechanism,
the rotary connection is used to rotate the main operating mechanism 6 at least within 180 degrees.
According to actual need, can select for use and carry out the swivelling joint mechanism that rotates in 360 degrees scopes to satisfy different operating space's user demand.
furthermore, the rotary connecting mechanism is provided with an angle limiting clamping piece so as to avoid the occurrence of the condition of error rotation and improve the convenience and reliability of operation. The fastener can be parts such as bolt, tight set bolt to improve commonality and ease for use, can be equipped with rotatory scale mark on the swivelling joint mechanism, in order to assess specific required angle and position when the supplementary user uses.
On the basis of the technical scheme, at least one telescopic indicator light 7 is arranged at the top of the main operating mechanism 6.
The indicator light 7 is used as an illumination light (as an auxiliary light source at night or under the condition of insufficient light), or as a warning light (for warning other vehicles to avoid).
On the basis of the technical scheme, the clamping jaw 9 is provided with an angle adjusting universal head and used for aligning the clamping jaw 9 to the hub bolt hole.
The technical scheme of the invention has the following use mode:
(1) The spare tires at the positions of a trunk and the like can be grabbed through the matching of the main lifting mechanism 5, the main operating mechanism 6, the telescopic arm 8 and the claw 9,
(2) The grabbed spare tire can be moved above the rotating platform 4 through the matching of the main operating mechanism 6, the rotary connecting mechanism and the main lifting mechanism 5,
(3) The main lifting mechanism 5, the auxiliary lifting mechanism 3, the rotating platform 4, the main operating mechanism 6, the telescopic arm 8 and the clamping jaws 9 are matched, so that the spare tire in the horizontal direction can be rotated to be in the vertical direction and finally falls to the rotating platform 4, and the auxiliary lifting mechanism is shown in figures 3.a-3. c.
Compared with the prior art, the technical scheme of the invention has the advantages of simple structure, convenient use and moderate volume, can be placed in a spare compartment, can realize the auxiliary operation of grabbing and replacing the tire at the designated position, and can meet the requirement of replacing the tires of various types of private cars.
the invention can be easily put into the trunk, does not occupy larger space, and can be used for traveling safely and green along with drivers. With the increasing popularity of private cars, the number of female drivers is greatly increased. The product of the invention can effectively help drivers to replace tires, and has great market potential. Decorative parts can be added outside the robot according to different users, so that the robot is more cartoon and beautiful, and is suitable for different consumers.
the above description of the embodiments is only intended to facilitate the understanding of the method of the invention and its core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
the previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a trade child auxiliary device, includes base (1), as the basis that falls to the ground of device, contacts with ground, its characterized in that still includes:
the rotating platform (4) is arranged in the middle on the top surface of the base (1) and is rotationally connected with the base, the rotating platform (4) is used for adjusting the position of the tire in a 360-degree rotating manner,
The auxiliary lifting mechanism (3) is arranged on the top surface of the base (1), is positioned at one side of the rotating platform (4) and is used for pushing the spare tire in the horizontal direction to rotate to be in the vertical direction and finally falls to the rotating platform (4),
the main lifting mechanism (5) is arranged on the top surface of the base (1), is positioned on the other side of the rotating platform (4), is arranged opposite to the auxiliary lifting mechanism (3), and is used for adjusting the horizontal height of the main operating mechanism (6) so as to grab tires at different heights,
a main operating mechanism (6) arranged on the top of the main lifting mechanism (5),
A telescopic arm (8) arranged on the main operating mechanism (6), the telescopic direction of the telescopic arm faces one side of the auxiliary lifting mechanism (3) and is used for adjusting the front and back positions of the tire,
And the clamping jaw (9) is arranged at the free end of the telescopic arm (8) and is used for grabbing the spoke type hub or the clamping hole type hub.
2. a tyre changing aid device according to claim 1, wherein the base (1) is of a strip shape as a whole,
or:
The base (1) is hexagonal as a whole,
Or:
The base (1) is integrally disc-shaped.
3.A tyre changing aid according to claim 1 wherein the turntable (4) is provided with upwardly extending bending edges on opposite side edges for limiting the tyre,
the distance W between the bending edges is larger than the upper limit of the thickness of the tire.
4. a tire changing assisting device according to claim 3, wherein at least one side of the bent edge is provided on the slide rail for adjusting a distance W between the bent edges,
And a matched locking device is arranged on the sliding guide rail and used for fixing the bent edge to prevent the bent edge from moving.
5. a tyre changing auxiliary device according to claim 1, wherein the auxiliary lifting mechanism (3) and the main lifting mechanism (5) are hydraulically driven, and have a manual operating handle and an electrically controlled driving interface.
6. a tyre changing aid according to claim 1 wherein the main lifting mechanism (5) has a greater lifting height than the auxiliary lifting mechanism (3).
7. a tyre changing aid device according to claim 1, characterized in that the base (1) is provided with rollers at its bottom,
the bottom of the base (1) is provided with at least four support legs (2),
the support legs (2) are rotatably connected with the bottom of the base (1), so that the support legs (2) can be unscrewed in different directions around the base (1) respectively.
8. A tyre changing assistance device according to claim 1, characterised in that the main operating means (6) is connected to the main lifting means (5) by means of a rotary connection,
The rotary connection mechanism is used for enabling the main operating mechanism (6) to rotate within a range of at least 180 degrees.
9. a tyre changing aid according to claim 1 wherein the top of the main operating mechanism (6) is provided with at least one telescopic indicator light (7).
10. a tyre changing aid according to claim 1 wherein the jaws (9) are provided with an angle adjustment universal head for aligning the jaws (9) with the hub bolt holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529539.4A CN110539587B (en) | 2018-05-29 | 2018-05-29 | Tire replacement auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529539.4A CN110539587B (en) | 2018-05-29 | 2018-05-29 | Tire replacement auxiliary device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110539587A true CN110539587A (en) | 2019-12-06 |
| CN110539587B CN110539587B (en) | 2023-01-13 |
Family
ID=68700999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810529539.4A Expired - Fee Related CN110539587B (en) | 2018-05-29 | 2018-05-29 | Tire replacement auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110539587B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212063A (en) * | 2021-04-09 | 2021-08-06 | 姜丽 | Automobile parts maintenance tire installation auxiliary stand |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4042139A (en) * | 1975-05-09 | 1977-08-16 | Pernsteiner Harold R | Vehicle wheel-removing and handling device |
| US4597711A (en) * | 1983-01-13 | 1986-07-01 | Hanne Liebermann | Device to facilitate changing tires |
| WO1997010109A1 (en) * | 1995-09-11 | 1997-03-20 | Investment Facility Company Four Four Five (Proprietary) Limited | Apparatus for manipulating a wheel |
| US20100092269A1 (en) * | 2008-10-10 | 2010-04-15 | David Slee | Wheel handling apparatus |
| WO2011127489A2 (en) * | 2010-04-06 | 2011-10-13 | Nico Cordier | Vehicle wheel replacing equipment |
| CN103692854A (en) * | 2013-12-16 | 2014-04-02 | 华侨大学 | Automatic automobile spare tire replacement system |
| US20150132089A1 (en) * | 2013-11-12 | 2015-05-14 | Dion Shondal Clanton | System and Method for Changing Tires |
| US9162855B1 (en) * | 2011-10-19 | 2015-10-20 | Wheelfloat, Inc. | Wheel lifting dolly |
| CN206030948U (en) * | 2016-08-15 | 2017-03-22 | 广西城市职业学院 | Auto wheel dismantles booster unit |
| US20170217743A1 (en) * | 2014-12-03 | 2017-08-03 | Eian Douglas Mathieson | Tire lifter |
| CN107650579A (en) * | 2017-10-10 | 2018-02-02 | 无锡职业技术学院 | Portable tyre dismounts aid |
-
2018
- 2018-05-29 CN CN201810529539.4A patent/CN110539587B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4042139A (en) * | 1975-05-09 | 1977-08-16 | Pernsteiner Harold R | Vehicle wheel-removing and handling device |
| US4597711A (en) * | 1983-01-13 | 1986-07-01 | Hanne Liebermann | Device to facilitate changing tires |
| WO1997010109A1 (en) * | 1995-09-11 | 1997-03-20 | Investment Facility Company Four Four Five (Proprietary) Limited | Apparatus for manipulating a wheel |
| US20100092269A1 (en) * | 2008-10-10 | 2010-04-15 | David Slee | Wheel handling apparatus |
| WO2011127489A2 (en) * | 2010-04-06 | 2011-10-13 | Nico Cordier | Vehicle wheel replacing equipment |
| US9162855B1 (en) * | 2011-10-19 | 2015-10-20 | Wheelfloat, Inc. | Wheel lifting dolly |
| US20150132089A1 (en) * | 2013-11-12 | 2015-05-14 | Dion Shondal Clanton | System and Method for Changing Tires |
| CN103692854A (en) * | 2013-12-16 | 2014-04-02 | 华侨大学 | Automatic automobile spare tire replacement system |
| US20170217743A1 (en) * | 2014-12-03 | 2017-08-03 | Eian Douglas Mathieson | Tire lifter |
| CN206030948U (en) * | 2016-08-15 | 2017-03-22 | 广西城市职业学院 | Auto wheel dismantles booster unit |
| CN107650579A (en) * | 2017-10-10 | 2018-02-02 | 无锡职业技术学院 | Portable tyre dismounts aid |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212063A (en) * | 2021-04-09 | 2021-08-06 | 姜丽 | Automobile parts maintenance tire installation auxiliary stand |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110539587B (en) | 2023-01-13 |
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Granted publication date: 20230113 |