Device for dismounting tire rim

Abstract

The utility model provides a device for dismounting a tire rim, which comprises a top plate, an upper pressing ring is arranged at the bottom end of the top plate, a lower pressing ring is arranged below the upper pressing ring, the upper pressing ring and the lower pressing ring are connected through a plurality of connecting rods, and the upper pressing ring and the lower pressing ring are respectively formed by splicing a plurality of sections of first arc-shaped rings and second arc-shaped rings. Adjusting assemblies are arranged between the top plate and the first arc-shaped rings and drive the multiple first arc-shaped rings to be opened and closed. The adjusting assembly is arranged between the top plate and the first arc-shaped rings, the upper pressing ring and the lower pressing ring are arranged to be of the annular structure formed by splicing the first arc-shaped rings and the second arc-shaped rings, in the using process, the size of the upper pressing ring is adjusted through the adjusting assembly, so that the size of the lower pressing ring is adjusted, and the tire pressing device is suitable for tires of various specifications and models; and the application range is expanded. The utility model belongs to the technical field of tire dismounting.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tire dismounting technical field especially a device for dismounting tire rim. BACKGROUND

[0002] Dismounting tire is an important automobile maintenance work, and it is often necessary to replace tire regularly in the environment that vehicle is used frequently. In the case that there is no special tire dismounting machine, 2-3 people need to dismount tire manually by using crowbar, which is very laborious, and the edge of tire and rim is easily damaged, which influences the service life of tire and rim. In addition, the solid tire used by forklift cannot be dismounted manually by manpower. Therefore, it is urgent to develop a device for dismounting tire rim.

[0003] The utility model discloses a special tool for large tire dismounting, including the pressure and taking device and the ejection device that are independent of each other, the pressure and taking device includes the force adding plate of disc and the force adding ring parallel to the force adding plate, the force adding ring and the force adding plate are connected through the connecting ring and are coaxially arranged, the inner diameter of the connecting ring is greater than or equal to the inner diameter of the force adding ring, and the inner diameter of the force adding ring is greater than the outer diameter of the rim. The special tool for large tire dismounting is simple in structure, is used for dismounting the large tire that tire bead and rim are closely attached, and is strong in maneuverability, and the large tire can be dismounted nearby. However, the special tool for large tire dismounting cannot be adjusted in size, so it cannot be applied to various specifications and models of tires, resulting in limited application range. The above problems are urgent to be solved. UTILITY MODEL CONTENTS

[0004] The purpose of the present application is to provide a device for dismounting tire rim, aiming at solving the technical problem that the special tool for tire dismounting in the prior art cannot be applied to various specifications and models of tires, resulting in limited application range.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is to provide a device for dismounting tire rim, comprising a top plate, the bottom end of the top plate is provided with an upper pressing ring, the lower side of the upper pressing ring is provided with a lower pressing ring, the upper pressing ring and the lower pressing ring are connected by a plurality of connecting rods, the upper pressing ring and the lower pressing ring are respectively composed of a plurality of first arc-shaped rings and second arc-shaped rings, an adjusting assembly is arranged between the top plate and the first arc-shaped ring, and the adjusting assembly drives a plurality of first arc-shaped rings to open and close.

[0006] In one embodiment, the adjusting assembly is a chuck, which is provided with a chuck body, a movable chuck jaw and a chuck jaw driving mechanism, the chuck body is arranged at the bottom end of the top plate, the movable chuck jaw is connected with the first arc-shaped ring, and the adjusting assembly drives a plurality of first arc-shaped rings to open and close through the movable chuck jaw.

[0007] In one of the embodiments, the adjusting assembly is further provided with a driving hole, and an outer ring of the driving hole is provided with a scale mark arranged on a side wall of the chuck body.

[0008] In one of the embodiments, the first arc-shaped ring is provided with a first sliding groove at each of the two ends of the inner part, and a first sliding block is arranged in each of the first sliding grooves.

[0009] In one of the embodiments, the first sliding groove is provided with a first clamping block at the end, and the first clamping block enables the first sliding block to slide in the first sliding groove.

[0010] In one of the embodiments, the second arc-shaped ring is provided with a second sliding groove at each of the two ends of the inner part, and a second sliding block is arranged in each of the second sliding grooves.

[0011] In one of the embodiments, the second sliding groove is provided with a second clamping block at the end, and the second clamping block enables the second sliding block to slide in the second sliding groove.

[0012] In one of the embodiments, the connecting rods are arranged between the first arc-shaped ring and the second arc-shaped ring, and the connecting rods are arranged in a circumferential interval around the upper pressing ring and the lower pressing ring.

[0013] In one of the embodiments, the upper pressing ring and the lower pressing ring are arranged in parallel and coaxially, and the lower pressing ring is arranged in a ring plate shape and is provided with a circular through hole at the center.

[0014] In one of the embodiments, the top plate, the upper pressing ring, the lower pressing ring, the connecting rods, and the adjusting assembly are all steel pieces.

[0015] The device for disassembling a tire rim has the advantages that: the adjusting assembly is arranged between the top plate and the first arc-shaped ring, the upper pressing ring and the lower pressing ring are arranged in a ring structure formed by a plurality of first arc-shaped rings and second arc-shaped rings, the size of the upper pressing ring is adjusted by the adjusting assembly during use, the size of the lower pressing ring is adjusted, the device is suitable for various specifications and models of tires, and the application range is expanded. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor based on these drawings.

[0017] Figure 1 A structural schematic diagram of a device for disassembling a tire rim provided by an embodiment of the present application;

[0018] Figure 2 A structural schematic diagram of another angle of the device for disassembling a tire rim shown in FIG. 1; Figure 1

[0019] Figure 3 An enlarged structural schematic diagram of A of the device for disassembling a tire rim shown in FIG. 1; Figure 2

[0020] Figure 4 An internal structural schematic diagram of an upper pressing ring in the device for disassembling a tire rim shown in FIG. 1; Figure 1

[0021] Figure 5 A use state structural schematic diagram of the upper pressing ring in the device for disassembling a tire rim shown in FIG. 1; Figure 1

[0022] Figure 6 An internal structural schematic diagram of a lower pressing ring in the device for disassembling a tire rim shown in FIG. 1; Figure 1

[0023] Figure 7 A use state structural schematic diagram of the device for disassembling a tire rim shown in FIG. 1 (I); Figure 1

[0024] Figure 8 A use state structural schematic diagram of the device for disassembling a tire rim shown in FIG. 1 (II). Figure 1 Explanation of symbols in the drawings:

[0025]

[0026] ​​​​​​​1, top plate; 2, upper pressing ring; 3, lower pressing ring; 4, connecting rod; 5, first arc-shaped ring; 501, first sliding groove; 502, first sliding block; 503, first pull ring; 504, first clamping block; 6, second arc-shaped ring; 601, second sliding groove; 602, second sliding block; 603, second pull ring; 604, second clamping block; 7, adjusting assembly; 701, chuck body; 702, movable clamping jaw; 703, driving hole; 704, scale mark; 8, circular through hole; 9, press; 901, oil cylinder; 902, upper die of oil cylinder; 903, platform; 10, tire. DETAILED DESCRIPTION

[0027] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in conjunction with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not to limit the present application.

[0028] It should be noted that when an element is referred to as being "fixed" or "disposed" with another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected" with another element, it can be directly connected to the other element or indirectly connected to the other element.

[0029] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0030] Please refer to Figure 1 The structure of a device for disassembling a tire rim provided by an embodiment of the present application is shown in the figure. For the convenience of description, only the parts related to the embodiment are shown, and the details are as follows:

[0031] In one embodiment, please refer to Figures 2-8 A device for disassembling a tire rim includes a top plate 1, the bottom end of the top plate 1 is provided with an upper pressing ring 2, the lower side of the upper pressing ring 2 is provided with a lower pressing ring 3, the upper pressing ring 2 and the lower pressing ring 3 are connected by a plurality of connecting rods 4, the upper pressing ring 2 and the lower pressing ring 3 are respectively spliced by a plurality of first arc-shaped rings 5 and second arc-shaped rings 6, the top plate 1 and the first arc-shaped ring 5 are provided with an adjusting assembly 7, and the adjusting assembly 7 drives a plurality of first arc-shaped rings 5 to open and close.

[0032] The device is used in cooperation with the press 9, in use, the tire 10 is placed flat on the platform 903 of the press 9, the device is placed on the tire 10, the press 9 is started, the oil cylinder upper die 902 is driven by the oil cylinder 901 to move vertically downward, the device is driven by the oil cylinder upper die 902 to move vertically downward, pressure is applied to the tire 10, until the rim is exposed, at this time, the retaining ring lock ring and the clamp on the tire 10 are separated, the crowbar is inserted into the device through the gap between the connecting rods 4, and the rim is pried off, so that the tire rim can be quickly disassembled.

[0033] By setting the adjusting assembly 7 between the top plate 1 and the first arc-shaped ring 5, and setting the upper pressing ring 2 and the lower pressing ring 3 into a ring structure spliced by a plurality of first arc-shaped rings 5 and second arc-shaped rings 6, in use, the size of the upper pressing ring 2 is adjusted by the adjusting assembly 7, so that the size of the lower pressing ring 3 is adjusted by the connecting rod 4, which is suitable for various specifications and models of tires 10, and the application range is expanded. The utility model has the advantages of simple structure, convenient operation, high efficient disassembly capacity by using the press 9, reduced labor cost, time and labor saving, precise operation without damaging the tire, wide application range, and easy handling of small car tires, large truck tires and solid tires.

[0034] Specifically, please refer to Figures 1-2 The adjusting assembly 7 is a chuck, which is provided with a chuck body 701, a movable chuck jaw 702 and a chuck jaw driving mechanism, the chuck body 701 is arranged at the bottom end of the top plate 1, the movable chuck jaw 702 is connected with the first arc-shaped ring 5, and the adjusting assembly 7 drives the opening and closing of the plurality of first arc-shaped rings 5 through the movable chuck jaw 702. In use, the movable chuck jaw 702 is driven to extend and retract by the chuck jaw driving mechanism, so as to drive the first arc-shaped ring 5 to open and close, and the size of the upper pressing ring 2 is adjusted.

[0035] Please refer to Figures 2-3 The adjusting assembly 7 is also provided with a driving hole 703, the outer circle of the driving hole 703 is provided with a scale mark 704, and the scale mark 704 is arranged on the side wall of the chuck body 701. The driving hole 703 is used for driving the chuck jaw driving mechanism, and the scale mark 704 is convenient for grasping the extension length of the movable chuck jaw 702, so as to realize accurate control of the size of the upper pressing ring 2.

[0036] Please refer to Figures 4-5, the inner ends of the first arc-shaped ring 5 are respectively provided with first sliding grooves 501, the first sliding grooves 501 are provided with first sliding blocks 502, the first sliding blocks 502 between adjacent two first arc-shaped rings 5 are connected with first pull-out rings 503, and the first pull-out rings 503 slide in the first sliding grooves 501 through the first sliding blocks 502. The first sliding grooves 501 and the first pull-out rings 503 are both arranged in an arc shape, when the first arc-shaped ring 5 is opened and closed under the action of the movable clamping jaw 702, the first pull-out rings 503 slide in the first sliding grooves 501 through the first sliding blocks 502, so that the size of the upper pressing ring 2 is adjusted.

[0037] The end of the first sliding groove 501 is provided with a first clamping block 504, and the first clamping block 504 enables the first sliding block 502 to slide in the first sliding groove 501. The first clamping block 504 plays a blocking role to prevent the first sliding block 502 from sliding out of the first sliding groove 501.

[0038] Please refer to Figure 6 , the inner ends of the second arc-shaped ring 6 are respectively provided with second sliding grooves 601, the second sliding grooves 601 are provided with second sliding blocks 602, the second sliding blocks 602 between adjacent two second arc-shaped rings 6 are connected with second pull-out rings 603, and the second pull-out rings 603 slide in the second sliding grooves 601 through the second sliding blocks 602. The upper pressing ring 2 and the lower pressing ring 3 have the same structure, when the movable clamping jaw 702 is driven to stretch and retract by the clamping jaw driving mechanism, the movable clamping jaw 702 drives the first arc-shaped ring 5 to open and close, so that the lower pressing ring 3 is driven to open and close through the connecting rod 4, the size of the lower pressing ring 3 is adjusted, and the device is suitable for various specifications and models of tires 10.

[0039] The end of the second sliding groove 601 is provided with a second clamping block 604, and the second clamping block 604 enables the second sliding block 602 to slide in the second sliding groove 601. The second clamping block 604 has the same effect as the first clamping block 504, and prevents the second sliding block 602 from sliding out of the second sliding groove 601.

[0040] Please refer to Figures 1-2 , the connecting rod 4 is arranged between the first arc-shaped ring 5 and the second arc-shaped ring 6, and a plurality of connecting rods 4 are arranged in a circumferential direction and are spaced apart around the upper pressing ring 2 and the lower pressing ring 3. The upper pressing ring 2 and the lower pressing ring 3 are arranged in parallel and coaxially, and the lower pressing ring 3 is arranged in a ring plate shape and is provided with a circular through hole 8 in the center. In use, the size of the circular through hole 8 is adjusted to be greater than the outer diameter of the rim and less than the outer diameter of the tire 10 through the adjusting assembly 7, so as to facilitate the extrusion of the tire 10.

[0041] Please refer to Figures 1-2The top plate 1, the upper pressing ring 2, the lower pressing ring 3, the connecting rod 4 and the adjusting assembly 7 are all steel parts. In the embodiment, the top plate 1, the upper pressing ring 2, the lower pressing ring 3, the connecting rod 4 and the adjusting assembly 7 are all made of 45# steel, which has high strength and good toughness. The top plate 1, the upper pressing ring 2, the lower pressing ring 3, the connecting rod 4 and the adjusting assembly 7 can also be made of other kinds of steel parts.

[0042] The working principle of the device for disassembling a tire rim is described as follows: Figures 1-8 The working principle of the device for disassembling a tire rim is described as follows:

[0043] In use, the driving hole 703 of the adjusting assembly 7 drives the driving mechanism of the clamping jaw to drive the movable clamping jaw 702 to extend and retract, the movable clamping jaw 702 drives the first arc-shaped ring 5 to open and close, the first pulling ring 503 slides in the first sliding groove 501 through the first sliding block 502, the size of the upper pressing ring 2 is adjusted, the lower pressing ring 3 is driven to open and close through the connecting rod 4, and the size of the lower pressing ring 3 is adjusted, the size of the circular through hole 8 on the lower pressing ring 3 is adjusted to be greater than the outer diameter of the rim and less than the outer diameter of the tire 10, and at this time, the device has been adjusted;

[0044] The tire 10 is placed on the center of the platform 903 of the press 9, the adjusted device is placed on the tire 10, the rim of the tire 10 is located in the circular through hole 8, the press 9 is started, the oil cylinder upper die 902 is driven by the oil cylinder 901 to move vertically downward, the device is driven by the oil cylinder upper die 902 to move vertically downward, pressure is applied to the tire 10, and the rim is exposed, at this time, the retaining ring lock ring and the clamp on the tire 10 are separated, the crowbar is inserted into the device through the gap between the connecting rods 4, the rim is pried off, the rim can be quickly removed, and the tire can be successfully removed.

[0045] In summary, the device for disassembling a tire rim has the advantages that compared with the prior art, the adjusting assembly is arranged between the top plate and the first arc-shaped ring, the upper pressing ring and the lower pressing ring are arranged in a ring structure formed by a plurality of first arc-shaped rings and second arc-shaped rings, in use, the size of the upper pressing ring is adjusted through the adjusting assembly, the size of the lower pressing ring is adjusted, the device is suitable for various specifications and models of tires, and the application range is expanded. The device has the advantages of simple structure, convenient operation, high efficiency in disassembly when used with a press, reduced labor cost, time and labor saving, precise operation without damage to the tire, wide application range, easy handling of the tires of small cars, large trucks and solid tires, and wide application in the technical field of tire disassembly.

[0046] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not limit them; although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A device for disassembling a tire rim, comprising a top plate (1), the bottom end of the top plate (1) is provided with an upper pressing ring (2), the lower side of the upper pressing ring (2) is provided with a lower pressing ring (3), the upper pressing ring (2) and the lower pressing ring (3) are connected through a plurality of connecting rods (4), characterized in that, The upper pressing ring (2) and the lower pressing ring (3) are respectively spliced by a plurality of first arc-shaped rings (5) and second arc-shaped rings (6), an adjusting assembly (7) is arranged between the top plate (1) and the first arc-shaped ring (5), and the adjusting assembly (7) drives a plurality of the first arc-shaped rings (5) to open and close. The adjusting assembly (7) is a chuck, which is provided with a chuck body (701), a movable chuck jaw (702) and a chuck jaw driving mechanism, the chuck body (701) is arranged at the bottom end of the top plate (1), the movable chuck jaw (702) is connected with the first arc-shaped ring (5), and the adjusting assembly (7) drives a plurality of the first arc-shaped rings (5) to open and close through the movable chuck jaw (702).

2. A device for dismounting a tyre from a rim as claimed in claim 1, characterised in that, The adjusting assembly (7) is further provided with a driving hole (703), an outer circle of the driving hole (703) is provided with a scale mark (704), and the scale mark (704) is arranged on the side wall of the chuck body (701).

3. A device for dismounting a tyre from a rim as claimed in claim 1, characterised in that, Both ends of the inside of the first arc-shaped ring (5) are respectively provided with first sliding grooves (501), the first sliding grooves (501) are provided with first sliding blocks (502) therein, and a first pull-out ring (503) is connected between the first sliding blocks (502) of adjacent two first arc-shaped rings (5), and the first pull-out ring (503) slides in the first sliding groove (501) through the first sliding block (502).

4. A device for dismounting a tyre from a rim as claimed in claim 3, characterised in that, The end of the first sliding groove (501) is provided with a first clamping block (504), and the first clamping block (504) enables the first sliding block (502) to slide in the first sliding groove (501).

5. A device for dismounting a tyre from a rim as claimed in claim 1, characterised in that, Both ends of the inside of the second arc-shaped ring (6) are respectively provided with second sliding grooves (601), the second sliding grooves (601) are provided with second sliding blocks (602) therein, and a second pull-out ring (603) is connected between the second sliding blocks (602) of adjacent two second arc-shaped rings (6), and the second pull-out ring (603) slides in the second sliding groove (601) through the second sliding block (602).

6. A device for dismounting a tyre from a rim as claimed in claim 5, characterised in that, The end of the second sliding groove (601) is provided with a second clamping block (604), and the second clamping block (604) enables the second sliding block (602) to slide in the second sliding groove (601).

7. A device for dismounting a tyre from a rim as claimed in claim 1, characterised in that, The connecting rods (4) are arranged between the first arc-shaped rings (5) and the second arc-shaped rings (6), and a plurality of the connecting rods (4) are arranged in a circumferential interval around the upper pressing ring (2) and the lower pressing ring (3).

8. A device for dismounting a tyre from a rim as claimed in claim 1, characterised in that, The upper pressing ring (2) and the lower pressing ring (3) are arranged in parallel and coaxially, and the lower pressing ring (3) is arranged in the form of a ring plate and is provided with a circular through hole (8) in the center.

9. A device for dismounting a tyre from a rim as claimed in claim 1, characterised in that, The top plate (1), the upper pressing ring (2), the lower pressing ring (3), the connecting rod (4) and the adjusting assembly (7) are all steel pieces.

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