CN210363228U

CN210363228U - Portable automobile tyre cover dismounting device

Info

Publication number: CN210363228U
Application number: CN201920838031.2U
Authority: CN
Inventors: 乔印虎; 张洋洋; 任甲辉; 赵晨诚
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-04-21
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a portable automobile cover tire dismounting device, including inserting the guide rail rim plate on automobile wheel hub to and connect the transmission on the guide rail rim plate, wherein: the transmission device drives the prying swing arm to rotate along the circumferential direction of the contact of the inner tube and the outer tire; the free end of the prying swing arm is connected with a disassembling support block; the disassembly supporting block extends to a connecting seam of the inner tube and the outer tube so as to form a disassembly seam between the inner tube and the outer tube; the transmission device rotates to drive the prying swing arm to rotate, and then the disassembly supporting block fixed at the free end of the prying swing arm is driven to rotate for a circle along the connecting seam between the inner tube and the outer tube, and finally the outer tube is disassembled from the inner tube. The utility model discloses a whole small in size of car cover tire dismounting device, portable, work efficiency is high, and the cover tire is torn easily when having avoided artifical dismantlement cover tire simultaneously, and the danger coefficient is low, rational in infrastructure, easy operation.

Description

Portable automobile tyre cover dismounting device

Technical Field

The invention relates to the technical field of automobile tire casing dismounting, in particular to a portable automobile tire casing dismounting device.

Background

Along with the continuous development of society, the continuous progress of science, people's standard of living is constantly improving, the private car is more and more, and it is the operation of going on most often to change or repair the tire cover tire in auto repair and maintenance, and the instrument commonly used when dismantling the cover tire is gone on for the instrument that needs the manpower sled such as crow bar, and work efficiency is low and intensity of labour is big, and the danger coefficient is higher during the operation, though there has been the device of dismantling the tire cover tire specially, nevertheless because of its volume and working method, all be difficult to carry, and when taking place the tire burst in the driving of a motor vehicle and need to change the cover tire, the practicality is not high.

If the tire of car breaks down, then need change the tire, need unscrew the bolt on the tire this moment, traditional extracting tool uses the spanner mostly, but dismantle more difficultly and spend time longer usually, and the narrow both ends in the middle of the spanner are big, easy rupture, especially the dismantlement of large-scale freight car tire is more difficult to operate, in order to make the dismantlement convenient, people's more use air wrench, the auxiliary assembly that needs when air wrench uses is more, difficult carrying, can only use in places such as vapour repair factory, if the tire damages on the way of going, still be difficult to use.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the portable automobile tire casing dismounting device which fixes the automobile hub through the guide rail wheel disc, drives the prying swing arm to rotate along the circumferential direction of the contact between the inner tire and the outer tire by using the transmission device, drives the dismounting support block fixed at the free end of the prying swing arm to rotate for a circle along the connecting seam between the inner tire and the outer tire, and finally realizes dismounting the outer tire from the inner tire.

The technical scheme adopted by the invention is as follows: the utility model provides a portable car cover tire dismounting device, is including inserting the guide rail rim plate on automobile wheel hub to and connect the transmission on the guide rail rim plate, wherein:

the transmission device drives the prying swing arm to rotate along the circumferential direction of the contact of the inner tube and the outer tire;

the free end of the prying swing arm is connected with a disassembling support block;

the disassembly supporting block extends to a connecting seam of the inner tube and the outer tube so as to form a disassembly seam between the inner tube and the outer tube; the transmission device rotates to drive the prying swing arm to rotate, and then the disassembly supporting block fixed at the free end of the prying swing arm is driven to rotate for a circle along the connecting seam between the inner tube and the outer tube, and finally the outer tube is disassembled from the inner tube.

Furthermore, the prying swing arm comprises a straight arm supporting section and a crank arm prying part which are arranged into an integral structure, the straight arm supporting section is connected with the guide rail wheel disc through a transmission device, and the crank arm prying part is connected with the disassembling support block and drives the disassembling support block to rotate; wherein:

the transmission comprises a first shaft and a second shaft passing through the straight arm support section and arranged parallel to each other;

a first shaft, one end of which is driven by a driving power source, and an output shaft of the driving power source is fixed with a main gear, and the other end of which is in transmission with one end of a second shaft through a toothed belt;

the second shaft is provided with a driven gear cooperating with the main gear.

Furthermore, the driving tooth penetrates through the guide rail wheel disc through at least one clamping hole bolt to be inserted into an automobile hub, so that the portable automobile tire casing dismounting device can be inserted into the automobile hub, and the transmission device and the prying swing arm can provide a sufficient and stable rotating prying fulcrum.

Furthermore, the number of the bayonet hole bolts is four, the automobile hub can be fixedly connected from four directions, the connection fastening degree between the dismounting device and the hub is improved, and the outer tire is more easily dismounted from the inner tire.

Furthermore, the bottom of each clamping hole bolt is also sleeved with a clamping nut, so that the whole dismounting device is easier to fix on the hub.

Furthermore, the main gear is provided with a positioning groove corresponding to the position where each clamping bolt is connected with the guide rail wheel disc, the positioning groove is matched with the corresponding clamping hole bolt, and real-time adjustment is carried out according to different positions of holes or holes in different automobile hubs.

Furthermore, the guide rail wheel disc is also provided with a matched guide rail positioning groove at the position corresponding to each positioning groove.

Furthermore, one side of the guide rail wheel disc, which is close to the main gear, is also provided with a plurality of rollers which are uniformly distributed along the circumferential direction of the guide rail wheel disc, and each roller extends outwards from the outer side of the guide rail wheel disc, which is positioned in the guide rail position adjusting groove.

Furthermore, the driving power source is one of a motor, an oil cylinder or an air cylinder, and the dismounting device can be driven to automatically dismount.

Furthermore, the first shaft is provided with an LED display screen and an operating button on the outer side of the driving power source so as to display and control the driving power source, and the driving power source, the LED display screen and the operating button are respectively connected with the single chip microcomputer.

Further, the disassembling supporting block is of a disc-shaped structure.

Compared with the prior art, the invention has the beneficial effects that:

the utility model discloses a portable automobile cover tire dismounting device is provided with the dismantlement wheel, reduces friction ground and pulls down the cover tire when dismantling the cover tire, prevents that the cover tire from tearing to the life of cover tire has been improved.

The portable automobile tyre dismounting device provided by the invention has the advantages that two gears and the toothed belt are used for simultaneous transmission, the prying swing arm is driven to rotate, the driving power source is used for driving the compression rotating wheel to rotate, the labor is saved, and the working efficiency is improved.

This dismounting device is provided with the positioning groove, and the position to hole is different on the different tires, makes the position of draw-in hole bolt adjustable, makes the device can be applied to different types of tire, has improved dismounting device's ordinary practicality functional, can realize the tire use of different diameters size promptly, perhaps offers the wheel hub use of the wheel hub shape structure difference.

In summary, the automobile cover tire dismounting device is small in overall size, convenient to carry, high in working efficiency, low in danger coefficient, reasonable in structure and simple to operate, and meanwhile the cover tire is prevented from being easily torn when the cover tire is dismounted manually.

Drawings

FIG. 1 is a block diagram of a portable automobile tire cover removing device;

FIG. 2 is a top view of a portable automobile tire cover removal device;

FIG. 3 is a schematic top view of the structure of the guide wheel;

FIG. 4 is a two-dimensional block diagram of the detachment wheel coupled to the support arm;

FIG. 5 is a three-dimensional structure diagram of the connection of the detaching wheel and the supporting arm;

wherein: 1-transmission means, 101-first shaft, 102-second shaft, 103-driving power source, 104-main gear, 1041-positioning groove; 105-toothed belt, 106-driven gear, 107-LED display screen, 108-operating button; 2-a single chip microcomputer, 3-a detachable support block, 4-a prying swing arm, 41-a straight arm support section and 42-a crank arm prying part; 5-guide wheel disc, 51-guide positioning groove, 52-roller; 6-a hole clamping bolt, 7-a clamping nut and 8-a connecting shaft.

Detailed Description

For the purpose of enhancing the understanding of the present invention, the present invention will be further explained with reference to the accompanying drawings and examples, which are only for the purpose of explaining the present invention and do not limit the scope of the present invention.

As shown in fig. 1, a portable automobile tire dismounting device comprises a guide wheel disc 5 inserted into an automobile hub, and a transmission device 1 connected to the guide wheel disc 5, wherein:

the transmission device 1 drives the prying swing arm 4 to rotate along the circumferential direction of the contact between the inner tube and the outer tire;

the free end of the prying swing arm 4 is connected with the disassembling supporting block 3, the disassembling supporting block 3 can be of a disc-shaped structure as shown in fig. 4 and 5, the overall shape of the disc-shaped structure is thin, on one hand, the disc-shaped structure is inserted between the inner tube and the outer tire cheaply, on the other hand, after the disc-shaped structure is inserted between the inner tube and the outer tire, the shape and the thickness of each direction are consistent, the disc-shaped structure is not easy to bend, and the overall service life is prolonged;

the disassembly supporting block 3 extends to a connecting seam of the inner tube and the outer tube so as to form a disassembly seam between the inner tube and the outer tube; transmission 1 rotates and drives and prize swing arm 4 and rotate, and then drives and fix and prize the dismantlement bracer 3 of 4 free ends of swing arm and along the rotatory round of the joint line before inner tube of a tyre and cover tire, finally realizes dismantling the cover tire from the inner tube of a tyre, whole portable automobile cover tire dismounting device portable, work efficiency is high, the cover tire bursts when having avoided the manual work to dismantle the cover tire simultaneously, the danger coefficient is low, rational in infrastructure, easy operation.

In the above embodiment, the levering swing arm 4 includes a straight arm supporting section 41 and a crank arm levering portion 42 that are integrally configured, the straight arm supporting section 41 is connected to the guide rail wheel disc 5 through the transmission device 1, the crank arm levering portion 42 is connected to the detaching supporting block 3 and drives the detaching supporting block to rotate, the crank arm levering portion 42 may be configured as a supporting arm with a bending structure as shown in fig. 1, and then the detaching supporting block 3 is connected to the connecting shaft 8 at the free end of the crank arm levering portion 42, as can be seen in fig. 4 and 5, the specific connecting structure may be any one of welding, hole key fitting, and the like; wherein:

the transmission 1 comprises a first shaft 101 and a second shaft 102 passing through the straight arm support section 41 and arranged parallel to each other;

a first shaft 101, one end of which is driven by a driving power source 103, and an output shaft of the driving power source 103 is fixed with a main gear 104, and the other end of which is driven with one end of a second shaft 102 by a toothed belt 105;

as can be seen in fig. 2 and 3, the second shaft 102 is provided with a driven gear 106 engaged with the main gear 104, so as to finally realize the purpose that the transmission device smoothly drives the detaching strut block to rotate along the space between the inner tube and the outer tire, thereby realizing the purpose of detaching the outer tire of the automobile. The diameters of the main gear 104 and the driven gear 106, generally the gear of the main gear 104 is larger than the diameter of the driven gear 106, so that the stability is relatively stable.

In the above embodiment, the driving tooth 104 is inserted into the automobile hub through the guide rail wheel disc 5 by at least one bayonet bolt 6, so as to ensure that the portable automobile tire casing dismounting device can be inserted into the automobile hub, and provide a sufficient and stable rotation prying fulcrum for the transmission device and the prying swing arm 4. The bottom of each hole-clamping bolt 6 is provided with a fixing bolt, and the bottom of the fixing bolt is semicircular, so that collision with the hub is avoided, and the hub is touched.

In the above embodiment, the number of the hole-locking bolts 6 is four, so that the automobile hub can be fixedly connected from four directions, and the connection fastening degree between the dismounting device and the hub is improved, so that the outer tire can be dismounted from the inner tire more easily. The bottom of each bayonet hole bolt 6 is also sleeved with a clamping nut 7, so that the whole dismounting device is easier to fix on the hub. The main gear 104 is also provided with a positioning groove 1041 corresponding to the position where each clamping bolt 6 is connected with the guide rail wheel disc 5, the positioning groove 1041 is matched with the corresponding clamping hole bolt 6, and real-time adjustment is carried out according to different positions of holes or holes on different automobile hubs, so that the position of the clamping hole bolt 6 can be adjusted, the device can be applied to different types of tires, and the general adaptability of the device is improved. In a more preferable embodiment, the guide wheel disc 5 is also provided with a matching guide rail positioning groove 51 at a position corresponding to each positioning groove 1041, so that the guide wheel disc and the main gear arranged thereon are always in a matching position, and the stability of the whole dismounting device is ensured.

Different from the above embodiments, a plurality of rollers 52 are uniformly distributed along the circumference of the guide wheel disc 5 on one side of the guide wheel disc 5 close to the main gear 104, each roller 52 extends outwards from the guide wheel disc 5 outside the guide rail positioning groove 51, so that the length of each roller 52 does not exceed the position of the guide rail positioning groove 51 towards the center of the wheel disc, and the guide wheel disc 5 can be ensured by the structure designed in this way.

In addition, the driving power source 103 is a motor or one of an oil cylinder or an air cylinder, and can drive the dismounting device to be automatically dismounted. The first shaft 101 is provided with an LED display screen 107 and an operation button 108 on the outer side of the driving power source 103 to display and control the driving power source. In order to realize better carrying and quickly finish the disassembly of the automobile tire, simultaneously, a driving power source 103, an LED display screen 107 and an operation button 108 are respectively connected with a singlechip 2, the singlechip 2 is also connected with a power source to acquire display and energy controlled by the operation button, particularly when the singlechip selects, the single chip microcomputer with the model number of HT66F018 is used, the box body is packaged near the output end of the driving power source 103, the output end of the driving power source 103 extends to the outside of the box body, the output end of the operating button 108 is electrically connected with the input end of the single chip microcomputer through a lead, the output end of the storage battery is electrically connected with the display screen, the operating button, the single chip microcomputer and the input end of the driving power source 103 through leads, the output end of the single chip microcomputer is electrically connected with the LED display screen and the input end of the motor, therefore, the working state of the driving power source can be controlled by operating the LED display screen 107 and the operating button 108.

In the above embodiment, the portable automobile tire casing dismounting device with the driving power source 103 being a motor is used as an example for explaining the working process, and during the specific work:

before the device is used, the device is externally connected with a power supply through a power supply interface, the storage battery is charged so that the device can normally work, and when the charging is finished, the external power supply is pulled out.

When the tire outer cover is disassembled, an operator firstly aims at a connecting seam between the inner tire and the outer cover by using a prying end of a tire prying bar to pry up the outer cover, then slides the disassembling supporting block 3 to a position corresponding to a hole on the inner tire, clamps the hole clamping bolt 6 into the positioning groove 1041 of the main gear and the hole of the hub, and then screws the clamping nut 7, so that the device can be fixed on the hub;

at the moment, an operator starts the device through an operation button 108, the singlechip controls the motor to start working, the output end of the motor starts rotating to drive the first shaft 101 to rotate, the second shaft 102 is driven to rotate through a toothed belt 1053, the second shaft 102 drives a driven gear 106 to rotate on the edge of the main gear 104 and slide on the guide rail wheel disc 5 so as to drive the prying swing arm 4 to perform turnover movement, and further the dismounting support block 3 arranged at the end part of the prying swing arm 4 rotates and advances in the inner part of the outer tire, and when the device rotates for one circle, the outer tire on one side can be separated from the inner tire; then, the operator mounts the device on the other surface of the inner tube, and separates the outer tire on the other surface from the inner tube, thereby completing the disassembly of the outer tire.

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims

1. The utility model provides a portable car cover tire dismounting device which characterized in that: including inserting guide rail rim plate (5) on automobile wheel hub to and connect transmission (1) on guide rail rim plate (5), wherein:

the transmission device (1) drives the prying swing arm (4) to rotate along the circumferential direction of the contact of the inner tube and the outer tire;

the free end of the prying swing arm (4) is connected with the disassembling support block (3);

the disassembly supporting block (3) extends to a connecting seam of the inner tube and the outer tube so as to form a disassembly seam between the inner tube and the outer tube.

2. The portable automobile tire casing dismounting device according to claim 1, wherein: the prying swing arm (4) comprises a straight arm supporting section (41) and a crank arm prying part (42) which are arranged into an integral structure, the straight arm supporting section (41) is connected with the guide rail wheel disc (5) through a transmission device (1), and the crank arm prying part (42) is connected with the dismounting support block (3) and drives the dismounting support block to rotate; wherein:

-the transmission (1) comprises a first shaft (101) and a second shaft (102) passing through the straight arm support section (41) and arranged parallel to each other;

-a first shaft (101) driven at one end by a driving power source (103) and having an output shaft of the driving power source (103) to which a main gear (104) is fixed and at the other end in transmission with one end of a second shaft (102) by means of a toothed belt (105);

-the second shaft (102) is provided with a driven gear (106) which meshes with the main gear (104).

3. The portable automobile tire casing dismounting device according to claim 1, wherein: the main gear (104) penetrates through the guide rail wheel disc (5) through at least one clamping hole bolt (6) and is inserted into the automobile hub.

4. A portable automobile tire casing dismounting device according to claim 3, wherein: the number of the clamping hole bolts (6) is four, and the automobile hub can be fixedly connected from four directions.

5. A portable automobile tire casing dismounting device according to claim 3 or 4, wherein: the bottom of each bayonet hole bolt (6) is also sleeved with a clamping nut (7).

6. The portable automobile tire casing dismounting device of claim 5, wherein: the main gear (104) is also provided with a positioning groove (1041) corresponding to the position where each bayonet bolt (6) is connected with the guide rail wheel disc (5).

7. The portable automobile tire casing dismounting device of claim 6, wherein: the guide rail wheel disc (5) is also provided with a matched guide rail positioning groove (51) corresponding to the position of each positioning groove (1041).

8. The portable automobile tire casing dismounting device of claim 6, wherein: and a plurality of rollers (52) uniformly distributed along the circumferential direction of the guide wheel disc are further arranged on one side of the guide wheel disc (5) close to the main gear (104), and each roller (52) extends outwards from the guide wheel disc (5) and is positioned on the outer side of the guide rail positioning groove (51).

9. A portable automobile tire casing dismounting device according to any one of claims 1-4, wherein: the driving power source (103) is a motor or one of an oil cylinder or an air cylinder.

10. The portable automobile tire casing dismounting device according to claim 1, wherein: an LED display screen (107) and an operation button (108) are arranged on the first shaft (101) and positioned on the outer side of the driving power source (103), and meanwhile, the driving power source (103), the LED display screen (107) and the operation button (108) are respectively connected with the single chip microcomputer (2); the disassembling supporting block (3) is in a disc-shaped structure.