CN211195717U - Auxiliary device is changed to tire - Google Patents
Auxiliary device is changed to tire Download PDFInfo
- Publication number
- CN211195717U CN211195717U CN201922332324.6U CN201922332324U CN211195717U CN 211195717 U CN211195717 U CN 211195717U CN 201922332324 U CN201922332324 U CN 201922332324U CN 211195717 U CN211195717 U CN 211195717U
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- tire
- arc
- lower plate
- plate
- support frame
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Abstract
The utility model discloses a tire replacement auxiliary device, the fixed surface of lower plate installs the upper cover plate, a side surface of lower plate is three slider of group of equiangular triangle slidable mounting, the jack catch is installed in the one end rotation of slider, the spacing post of one end fixedly connected with of slider, be provided with the rotary disk between lower plate and the upper cover plate, be the first arc through-hole of three group of equiangular triangle seted up on the rotary disk, and the spacing post on three slider of group slides and sets up in first arc through-hole, the fixed surface of lower plate is connected with the arc rack, the surface rotation of rotary disk is installed from the pawl that resets, the one end of second quad runs through the second arc through-hole of seting up on the lower plate. The tire does not need to be contacted manually when being held tightly, clothes cannot be dirtied, the tire can be carried and driven to ascend, and the tire is convenient to transfer and install; the tire can be clamped by operating the crank, and the operation is labor-saving and convenient.
Description
Technical Field
The utility model relates to a tire replacement technical field specifically is a tire replacement auxiliary device.
Background
The spare tire is widely applied to various automobiles as an important accessory of the automobiles. When the automobile is punctured on the way, the spare tire can be used as an emergency, and the automobile can be ensured to continuously run. The spare tire is very effective, but the process of replacing the spare tire is not easy. As tire sizes continue to increase, the weight of the tires also continues to increase. In the process of disassembling the tire, the hub is lifted up and pulled out of the driving shaft manually by a person. As the specification of the current tire is continuously increased, for example, the R20 common tire can reach 50-70 kg, and the disassembly process is very laborious. When the tires are supported by the two hands, the arm of the hand cannot contact the tires in a large area, and clothes are inevitably dirtied.
Therefore, it is desirable to provide a tire replacement assistance device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tire replacement auxiliary device, which does not need manual contact when holding the tire tightly, does not dirty clothes, can carry the tire and drive the tire to rise, and is convenient for transferring and installing; the tire can be clamped by operating the crank, the operation is labor-saving and convenient, and the problem in the background technology is solved.
In order to achieve the above object, the utility model provides a following technical scheme:
an auxiliary device for replacing a tire comprises a lower bottom plate and a supporting frame, wherein an upper cover plate is fixedly arranged on the surface of the lower bottom plate, the lower bottom plate is fixedly connected to the support frame, three groups of sliding blocks are slidably arranged on the surface of one side of the lower bottom plate in an equiangular triangle manner, one end of the sliding block is rotatably provided with a clamping jaw, one end of the sliding block is fixedly connected with a limiting column, a rotating disc is arranged between the lower bottom plate and the upper cover plate, three groups of first arc-shaped through holes are arranged on the rotating disc in an equiangular triangle manner, the limiting posts on the three groups of sliding blocks are arranged in the first arc-shaped through holes in a sliding manner, the surface of the lower bottom plate is fixedly connected with an arc-shaped rack, a self-resetting pawl is rotatably mounted on the surface of the rotating disc, one end of a rotating sleeve of the self-resetting pawl is fixedly connected with a second square block, and one end of the second square block penetrates through a second arc-shaped through hole formed in the lower bottom plate;
the bottom of support frame is rotated and is installed the sill bar, the wheel is all installed at the both ends of sill bar, the screw thread transmission pole is installed to the upper portion screw thread of support frame, the turbine is installed to the upper end of screw thread transmission pole, lower plate one side is rotated and is installed the worm of being connected with the turbine transmission, the one end of worm runs through in the lower plate, and the one end fixedly connected with first square piece of worm.
Preferably, the device also comprises a crank, wherein one end of the crank is fixedly connected with a square hole sleeve which can be matched and sleeved with the first square block and the second square block.
Preferably, one side of the lower part of the support frame, which is located on the bottom rod, is provided with a limiting bump, a tension spring is sleeved on a rotating shaft of the bottom rod, and one end of the tension spring is fixedly connected to the support frame.
Preferably, the automobile spare tire assembly further comprises a padlock, and the padlock can fix the whole body consisting of the lower bottom plate and the upper cover plate and the spare tire on the bottom of the automobile through a chain.
Preferably, the surface of the lower bottom plate is provided with a sliding groove convenient for sliding of the sliding block, and the upper part of the sliding groove is fixedly provided with a limiting pressing plate.
Preferably, the second arcuate through holes are maintained in parallel alignment with one of the sets of first arcuate through holes.
Preferably, the surfaces of the lower bottom plate, the upper cover plate and the rotating disc are all provided with center holes aligned with each other.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model does not need manual contact when holding the tire tightly, does not dirty clothes, can carry the tire and drive the tire to rise, and is convenient for transferring and mounting; the tire can be clamped by operating the crank, and the operation is labor-saving and convenient.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a schematic structural view of the worm of the present invention;
FIG. 3 is a schematic view of a side structure of the lower plate of the present invention;
FIG. 4 is a schematic view of the padlock of the present invention;
fig. 5 is a schematic structural view of the upper cover plate of the present invention;
FIG. 6 is a schematic structural view of the crank of the present invention;
fig. 7 is a schematic structural view of one end of the bottom rod of the present invention.
In the figure: 1. a lower base plate; 2. rotating the disc; 3. a first arcuate through-hole; 4. a limiting column; 5. a self-resetting pawl; 6. an arc-shaped rack; 7. a worm; 71. a first square block; 8. a threaded drive link; 9. a turbine; 10. a bottom bar; 11. a wheel; 12. a padlock; 13. a support frame; 14. a slider; 15. a limiting pressure plate; 16. a claw; 17. an upper cover plate; 18. a crank; 19. a square hole sleeve; 20. a second arcuate through hole; 21. a second square block; 22. a limiting bump; 23. a tension spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: the auxiliary device for replacing the tire comprises a lower base plate 1 and a support frame 13, wherein an upper cover plate 17 is fixedly arranged on the surface of the lower base plate 1, the lower base plate 1 is fixedly connected on the support frame 13, three groups of sliding blocks 14 are slidably arranged on the surface of one side of the lower base plate 1 in an equiangular triangle manner, a clamping jaw 16 is rotatably arranged at one end of each sliding block 14, a limiting column 4 is fixedly connected at one end of each sliding block 14, a rotating disk 2 is arranged between the lower base plate 1 and the upper cover plate 17, three groups of first arc-shaped through holes 3 are formed in the, the limiting columns 4 on the three groups of sliding blocks 14 are arranged in the first arc-shaped through holes 3 in a sliding mode, the surface of the lower base plate 1 is fixedly connected with an arc-shaped rack 6, the surface of the rotating disk 2 is rotatably provided with a self-resetting pawl 5, one end of a rotating sleeve of the self-resetting pawl 5 is fixedly connected with a second square block 21, and one end of the second square block 21 penetrates through a second arc-shaped through hole 20 formed in the lower base plate 1;
the bottom of support frame 13 rotates installs sill bar 10, and wheel 11 is all installed at the both ends of sill bar 10, and screw thread transmission pole 8 is installed to the upper portion screw thread of support frame 13, and worm wheel 9 is installed to the upper end of screw thread transmission pole 8, and lower plate 1 one side is rotated and is installed the worm 7 of being connected with worm wheel 9 transmission, and the one end of worm 7 runs through in lower plate 1, and the one end fixedly connected with first square-shaped piece 71 of worm 7.
The lifting handle is characterized by further comprising a crank handle 18, wherein one end of the crank handle 18 is fixedly connected with a square hole sleeve 19 which can be matched and sleeved with the first square block 71 and the second square block 21. A limiting bump 22 is arranged on one side of the lower part of the support frame 13, which is located on the bottom rod 10, a tension spring 23 is sleeved on a rotating shaft of the bottom rod 10, and one end of the tension spring 23 is fixedly connected to the support frame 13. The automobile spare tire fixing device further comprises a padlock 12, and the padlock 12 can fix the integral body formed by the lower base plate 1 and the upper cover plate 17 and the spare tire on the bottom of the automobile through a lock chain. The surface of the lower bottom plate 1 is provided with a sliding groove convenient for the sliding of the sliding block 14, and the upper part of the sliding groove is fixedly provided with a limiting pressing plate 15. The second arcuate through holes 20 are maintained in parallel alignment with one of the sets of first arcuate through holes 3. The surfaces of the lower bottom plate 1, the upper cover plate 17 and the rotating disk 2 are all provided with center holes which are aligned with each other.
When in use, the auxiliary device is mutually fixed with the spare tire through the claw 16, and the spare tire is fixed below the bottom plate of the automobile through the iron chain of the padlock 12. When the spare tire is used, the spare tire and the device are put down together and are drawn out from the bottom of the vehicle (the lower bottom plate of the device is provided with wheels 11, so that the spare tire is convenient to draw out). The device is erected, and the spare tire is moved to the wheel needing replacing the spare tire through the bottom rod 10 and the four wheels 11 on the lower bottom plate 1. At this point, another set of the device (the present device) is removed from the trunk and placed where the tire is to be removed. Because of there is spacing lug 22 between sill bar 10 and the support frame 13, lead to sill bar 10 to be opened the back, sill bar 10 and the spacing lug 22 on the support frame 13 are to the top, prevent sill bar 10 return. When the folding-up is carried out, the bottom rod 10 needs to be manually moved transversely, so that the bottom rod 10 is separated from the limiting lug 22. The claw 16 is opened, the square hole sleeve 19 at one end of the crank 18 is matched with the first square block 71 on the worm 7, the crank 18 is shaken, the worm 7 drives the worm wheel 9, the worm wheel 9 drives the threaded transmission rod 8 to rotate, and the threaded transmission rod 8 passes through the spiral hole on the support frame 13. The support block at the lower end of the threaded drive rod 8 is extended downwards (fine adjustment is carried out to separate the tire from the ground) through screw drive to reach a proper position, and the belt-dismounted tire is close to the upper cover plate 17. The rocker is pulled out, one end of a crank 18 is aligned to a second square block 21 at one end of a self-reset pawl 5 with a spring structure, and the rocker is shifted along a second arc-shaped through hole 20 in the lower base plate 1, the self-reset pawl 5 is connected with the rotating disk 2, the self-reset pawl 5 drives the rotating disk 2 to rotate (the rotating disk 2 is arranged on a shaft sleeve on the upper cover plate 17), a limiting column 4 (cylinder) at the bottom of the sliding block 14 slides in a first arc-shaped through hole 3 of the rotating disk 2, the rotating disk 2 rotates to drive the sliding block 14 to approach to the axis of the rotating disk 2, meanwhile, the clamping jaws 16 are driven, and. At this point, the device is raised slightly again until the tire can be easily removed from the drive shaft and tire removal is complete. And then the spare tires are sequentially installed according to the steps, the disassembled tires can be fixed at the original positions of the bottoms of the vehicles along with the device, the spare tires are installed, and the tires are replaced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a tire replacement auxiliary device, includes lower plate (1) and support frame (13), its characterized in that: the surface fixing of lower plate (1) installs upper cover plate (17), lower plate (1) fixed connection is on support frame (13), one side surface of lower plate (1) is that equiangular triangle slidable mounting has three groups of sliders (14), the one end of slider (14) is rotated and is installed jack catch (16), the one end fixedly connected with spacing post (4) of slider (14), be provided with between lower plate (1) and upper cover plate (17) rotary disk (2), be the equiangular triangle on rotary disk (2) and seted up three first arc through-holes (3) of group, and on three groups of sliders (14) spacing post (4) slide and set up in first arc through-hole (3), the surface fixing of lower plate (1) is connected with arc rack (6), the surface rotation of rotary disk (2) is installed from restoring to the position pawl (5), one end of the rotating sleeve of the self-resetting pawl (5) is fixedly connected with a second square block (21), and one end of the second square block (21) penetrates through a second arc-shaped through hole (20) formed in the lower bottom plate (1);
the bottom of support frame (13) is rotated and is installed sill bar (10), wheel (11) are all installed at the both ends of sill bar (10), screw thread transfer line (8) are installed to the upper portion screw thread of support frame (13), turbine (9) are installed to the upper end of screw thread transfer line (8), lower plate (1) one side is rotated and is installed worm (7) of being connected with turbine (9) transmission, the one end of worm (7) is run through in lower plate (1), and the one end fixedly connected with first square piece (71) of worm (7).
2. A tire replacement assistance device according to claim 1, wherein: the novel rocking chair is characterized by further comprising a crank (18), wherein one end of the crank (18) is fixedly connected with a square hole sleeve (19) which can be matched and sleeved with the first square block (71) and the second square block (21).
3. A tire replacement assistance device according to claim 1, wherein: one side that support frame (13) lower part is located sill bar (10) is provided with spacing lug (22), extension spring (23) have been cup jointed in the pivot of sill bar (10), the one end fixed connection of extension spring (23) is on support frame (13).
4. A tire replacement assistance device according to claim 1, wherein: the automobile spare tire fixing device further comprises a padlock (12), wherein the padlock (12) can fix the whole body formed by the lower base plate (1) and the upper cover plate (17) and the spare tire on the bottom of the automobile through a chain.
5. A tire replacement assistance device according to claim 1, wherein: the surface of the lower bottom plate (1) is provided with a sliding groove convenient for the sliding of the sliding block (14), and the upper part of the sliding groove is fixedly provided with a limiting pressing plate (15).
6. A tire replacement assistance device according to claim 1, wherein: the second arc-shaped through holes (20) are kept in parallel alignment with one group of the first arc-shaped through holes (3).
7. A tire replacement assistance device according to claim 1, wherein: the surfaces of the lower bottom plate (1), the upper cover plate (17) and the rotating disc (2) are all provided with center holes which are aligned with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922332324.6U CN211195717U (en) | 2019-12-23 | 2019-12-23 | Auxiliary device is changed to tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922332324.6U CN211195717U (en) | 2019-12-23 | 2019-12-23 | Auxiliary device is changed to tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211195717U true CN211195717U (en) | 2020-08-07 |
Family
ID=71863384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922332324.6U Active CN211195717U (en) | 2019-12-23 | 2019-12-23 | Auxiliary device is changed to tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211195717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111152604A (en) * | 2019-12-23 | 2020-05-15 | 汉腾汽车有限公司 | Auxiliary device is changed to tire |
-
2019
- 2019-12-23 CN CN201922332324.6U patent/CN211195717U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111152604A (en) * | 2019-12-23 | 2020-05-15 | 汉腾汽车有限公司 | Auxiliary device is changed to tire |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210601 Granted publication date: 20200807 |
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| PP01 | Preservation of patent right |