Steel rim tire separator

Abstract

The utility model relates to the technical field of vehicle maintenance, and provides a steel rim tire separator. The utility model provides a steel rim tire separator. The steel rim tire separator comprises a supporting unit and a tire pressing unit, the supporting unit and the tire pressing unit are arranged in the first direction, and the supporting unit can support a wheel assembly. The wheel assembly comprises a steel ring and a tire; the tire is coaxially sleeved on the steel ring; the tire pressing unit is connected with the supporting unit, an operation cavity is formed between the tire pressing unit and the supporting unit, and the tire pressing unit comprises a support, a position adjusting mechanism and a tire pressing mechanism; the supports are connected with supporting units. The tire pressing mechanism is connected with the support through the position adjusting mechanism, and the position adjusting mechanism can adjust the position of the tire pressing mechanism. When the wheel assembly is located in the operation cavity and connected with the supporting unit, the tire pressing mechanism can abut against the inner periphery of the tire, so that a gap is formed between the inner periphery of the tire and the outer periphery of the steel ring.

Description

Technical Field

[0001] This utility model relates to the field of vehicle maintenance technology, and in particular to a steel rim tire separator. Background Technology

[0002] Separating the tire from the rim is a common step in tire repair and replacement.

[0003] However, traditional separation methods usually involve maintenance workers manually operating the equipment with tools such as pry bars, which is time-consuming and labor-intensive. Summary of the Invention

[0004] The purpose of this invention is to provide a steel rim tire separator to solve the technical problem of low efficiency caused by maintenance workers manually separating the tire from the steel rim using tools such as pry bars in the prior art.

[0005] The above-mentioned objectives of this utility model can be achieved by the following technical solutions:

[0006] This utility model provides a steel rim tire separator, comprising: a support unit and a tire pressing unit; the support unit and the tire pressing unit are arranged along a first direction, the support unit supporting a wheel assembly; the wheel assembly including a steel rim and a tire; the tire coaxially mounted on the steel rim; the tire pressing unit connected to the support unit, forming an operating cavity between the tire pressing unit and the support unit, the tire pressing unit including a bracket, a position adjustment mechanism, and a tire pressing mechanism; the bracket connected to the support unit; the tire pressing mechanism connected to the bracket via the position adjustment mechanism, the bracket connected to the support unit, the position adjustment mechanism adjusting the position of the tire pressing mechanism; wherein, when the wheel assembly is located in the operating cavity and connected to the support unit, the tire pressing mechanism presses against the inner periphery of the tire, creating a gap between the inner periphery of the tire and the outer periphery of the steel rim.

[0007] According to one embodiment of the present invention, the tire pressing mechanism includes a housing, a linear motion structure, and a tire pressing structure; the housing is connected to the bracket, and the housing has an inner cavity and a through hole; the through hole is located on the side of the housing facing the support unit; the position adjustment mechanism connects the housing and the bracket; the linear motion structure is disposed in the inner cavity, and the linear motion structure has an output shaft, which extends from the inner cavity through the through hole to the outside of the inner cavity, and the output shaft can perform reciprocating linear motion parallel to the first direction; the tire pressing structure is located in the operating cavity and connected to the free end of the output shaft. When the wheel assembly is located in the operating cavity and connected to the support unit, the tire pressing mechanism can press against the inner periphery of the tire under the drive of the output shaft.

[0008] According to one embodiment of the present invention, the bracket includes a first support structure and a second support structure; along the first direction, the first support structure and the second support structure are arranged at a distance from each other and connected to the support unit; the outer shell is located between the first support structure and the second support structure, and along the first direction, the outer shell has a first side and a second side, the front end of the first side is rotatably connected to the top of the first support structure, and the front end of the second side is rotatably connected to the top of the second support structure; the position adjustment mechanism is located on the side of the second side opposite to the first side and connects the second side and the second support structure; the through hole faces the first support structure.

[0009] According to one embodiment of the present invention, the position adjustment mechanism includes a travel arm, multiple limiting components, a sliding component, and a locking component; the travel arm is inclined forward in a bottom-to-top direction, and the rear end of the travel arm is connected to the bottom of the rear end of the second support structure on the side opposite to the first support structure; the multiple limiting components are arranged sequentially along the axial direction of the travel arm and sleeved on the travel arm; the sliding component is sleeved between two adjacent limiting components and can slide along the axial direction of the travel arm, and is rotatably connected to the second side, the sliding component having a setting hole; the locking component passes through the setting hole, the locking component can switch between a locked position and an unlocked position, the locking component can extend into the sliding component and abut against the limiting component in the locked position, and there is a gap between the locking component and the limiting component in the unlocked position.

[0010] According to one embodiment of the present invention, the outer diameter of the limiting component is gradually reduced along the direction from the front end of the travel arm to the rear end of the travel arm; the locking component can extend into the sliding component in the locked position and abut against the side wall of the limiting component through its side wall; and the locking component has a gap with the side wall of the limiting component in the unlocked position.

[0011] According to one embodiment of the present invention, the locking component is a self-locking indexing pin.

[0012] According to one embodiment of the present invention, the linear motion structure is a pneumatic cylinder, an electric cylinder, or a hydraulic cylinder.

[0013] According to one embodiment of the present invention, the tire pressing structure is rotatably connected to the free end of the output shaft, the axis of the rotating shaft of the tire pressing structure is collinear with the axis of the output shaft, and the tire pressing structure can adjust its rotation angle.

[0014] According to one embodiment of the present invention, it further includes an angle adjustment rod, which is perpendicular to the output shaft and connected to the tire pressing structure, and can drive the tire pressing structure to rotate so as to adjust the position of the tire pressing structure relative to the wheel assembly.

[0015] According to one embodiment of the present invention, the support unit includes a first support component and a second support component; the first support component has a support surface facing the tire pressing structure, and the support surface is capable of abutting against the support surface when the wheel assembly is upright; the second support component extends along the first direction, one end of the second support component is connected to the bottom of the first support component, and the other end of the second support component is connected to the first support structure and the second support structure, and the second support component is capable of abutting against the wheel surface at the bottom of the tire when the wheel assembly is upright.

[0016] The features and advantages of this utility model of steel rim tire separator are:

[0017] The support unit, as a basic component, primarily provides a stable support platform for the wheel assembly, facilitating subsequent separation without requiring maintenance workers to hold or step on the wheel assembly. The tire pressing unit is the core component for separating the tire from the rim. The bracket connects to the support unit, providing a robust frame structure for the entire tire pressing mechanism and ensuring stability during operation. The position adjustment mechanism can precisely adjust the position of the tire pressing mechanism according to different wheel sizes, ensuring accurate alignment with the inner circumference of the tire, increasing the equipment's applicability and flexibility. The tire pressing mechanism applies pressure to the inner circumference of the tire, creating the necessary gap between the tire and the rim to achieve separation. In terms of working principle, the wheel assembly is first placed on the support unit, then the tire pressing mechanism is adjusted to the appropriate position using the position adjustment mechanism, and finally, the tire pressing mechanism is activated to apply force to the inner circumference of the tire, gradually detaching the tire from the rim and completing the separation. Compared to existing technologies where maintenance workers manually separate the tire from the rim using tools such as pry bars, the entire process is highly efficient. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a perspective view of the steel rim tire separator of this utility model when it is idle;

[0020] Figure 2 yes Figure 1 Enlarged view of section A in the middle;

[0021] Figure 3 This is a perspective view of the steel rim tire separator of this utility model when it is not in use;

[0022] Figure 4 This is a side view of the steel rim tire separator of this utility model when it is not in use;

[0023] Figure 5 This is a perspective view of the steel rim tire separator of this utility model in use;

[0024] Figure 6 This is a side view of the steel rim tire separator of this utility model in use.

[0025] Figure label:

[0026] 1. Support unit; 11. First support assembly; 111. Support facade; 12. Second support assembly; 2. Tire pressing unit; 21. Bracket; 211. First support structure; 212. Second support structure; 22. Position adjustment mechanism; 221. Travel arm; 222. Limiting assembly; 223. Sliding assembly; 2231. Setting hole; 224. Locking assembly; 23. Tire pressing mechanism; 231. Housing; 2310. Through hole; 232. Linear motion structure; 2320. Output shaft; 233. Tire pressing structure; 3. Angle adjustment rod; 4. Operating cavity; F. First direction. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] It should be noted that in the description of this utility model, the terms "first," "second," etc., are used only for descriptive purposes and to distinguish similar objects; there is no sequential order between them, nor should they be construed as indicating or implying relative importance. Furthermore, in the description of this utility model, unless otherwise stated, "at least one" means one or more, and "multiple" means two or more. The use of the term "may" is intended to indicate that any attribute described that is included in "may" is optional.

[0029] In this embodiment, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," "link," and "fix" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this embodiment based on the specific circumstances.

[0030] like Figures 1 to 6 As shown, this utility model provides a steel rim tire separator, including: a support unit 1 and a tire pressing unit 2; the support unit 1 and the tire pressing unit 2 are arranged along a first direction F, and the support unit 1 can support a wheel assembly; the wheel assembly includes a steel rim and a tire; the tire is coaxially sleeved on the steel rim; the tire pressing unit 2 is connected to the support unit 1, and an operating cavity 4 is formed between the tire pressing unit 2 and the support unit 1; the tire pressing unit 2 includes a bracket 21, a position adjustment mechanism 22 and a tire pressing mechanism 23; the bracket 21 is connected to the support unit 1; the tire pressing mechanism 23 is connected to the bracket 21 through the position adjustment mechanism 22, and the bracket 21 is connected to the support unit 1; the position adjustment mechanism 22 can adjust the position of the tire pressing mechanism 23; wherein, when the wheel assembly is located in the operating cavity 4 and connected to the support unit 1, the tire pressing mechanism 23 can press against the inner periphery of the tire, so that there is a gap between the inner periphery of the tire and the outer periphery of the steel rim.

[0031] In practical implementation, support unit 1 serves as a basic component, primarily providing a stable support platform for the wheel assembly, facilitating subsequent separation without requiring maintenance workers to hold or step on the wheel assembly. Tire pressing unit 2 is the core component for separating the tire from the rim. Bracket 21 connects to support unit 1, providing a robust frame structure for the entire tire pressing mechanism 23, ensuring stability during operation. Position adjustment mechanism 22 can adjust the position of tire pressing mechanism 23 to adapt to different types of wheels, ensuring accurate alignment with the inner circumference of the tire, increasing the equipment's applicability and flexibility. Tire pressing mechanism 23 applies pressure to the inner circumference of the tire, creating the necessary gap between the tire and the rim to achieve separation. In terms of working principle, the wheel assembly is first erected, then one side of the wheel assembly rests against support unit 1. The position adjustment mechanism 22 adjusts the tire pressing mechanism 23 to the appropriate position, and finally, the tire pressing mechanism 23 is activated to apply force to the inner circumference of the tire, gradually separating the tire from the rim. Compared to existing technologies where maintenance workers manually separate the tire from the rim using tools such as pry bars, this process is highly efficient.

[0032] In this embodiment, the operating cavity 4 is located between the support unit 1 and the tire pressing unit 2, allowing maintenance workers to place the wheel assembly. At the same time, a certain amount of slack needs to be reserved to facilitate easy disassembly of the wheel assembly. In addition, space needs to be reserved for the tire pressing mechanism 23.

[0033] According to one embodiment of the present invention, the tire pressing mechanism 23 includes a housing 231, a linear motion structure 232, and a tire pressing structure 233; the housing 231 is connected to the bracket 21, and the housing 231 has an inner cavity and a through hole 2310; the through hole 2310 is located on the side of the housing 231 facing the support unit 1; the position adjustment mechanism 22 connects the housing 231 and the bracket 21; the linear motion structure 232 is disposed in the inner cavity, and the linear motion structure 232 has an output shaft 2320, which extends from the inner cavity through the through hole 2310 to the outside of the inner cavity, and the output shaft 2320 can reciprocate linearly along a direction parallel to the first direction F; the tire pressing structure 233 is located in the operating cavity 4 and connected to the free end of the output shaft 2320. When the wheel assembly is located in the operating cavity 4 and connected to the support unit 1, the tire pressing mechanism 23 can press against the inner periphery of the tire under the drive of the output shaft 2320.

[0034] In practical implementation, the outer shell 231 serves as the external protective shell of the tire pressing mechanism 23. It not only connects to the bracket 21 to provide stable support but also has an inner cavity and through-hole 2310 structure. The linear motion structure 232 is located within the inner cavity, and its core function is to achieve reciprocating linear motion through the output shaft 2320. This motion is the key source of the separation force applied to the inner circumference of the tire, ensuring the accuracy and controllability of the force. The tire pressing structure 233 is located outside the outer shell 231 and directly connected to the free end of the output shaft 2320. It is the part that actually contacts and applies force to the inner circumference of the tire, and its structure must be designed to avoid causing unnecessary damage to the tire. Depending on the specific type of wheel, the maintenance worker can adjust the position of the entire tire pressing mechanism 23 using the position adjustment mechanism 22. This position can include height, allowing the equipment to adapt to various wheel sizes, improving versatility and operational flexibility. In terms of working principle, the wheel assembly is first erected, and then one side of the wheel assembly is placed against the support unit 1. Then, according to the wheel size, the position of the tire pressing mechanism 23 is adjusted by the position adjustment mechanism 22 so that the pressure end of the tire pressing structure 233 is aligned with the inner circumference of the tire. Then, the linear motion structure 232 is activated, so that the output shaft 2320 drives the tire pressing structure 233 to move towards the inner circumference of the tire. Under the drive of the output shaft 2320, the tire pressing structure 233 gradually applies force to the tire, so that the inner circumference of the tire creates a gap with the steel rim, thereby completing the separation process of the tire and the steel rim. The whole process is efficient and precise, which greatly improves the work efficiency and reduces the risks that may be caused by manual operation.

[0035] In this embodiment, the linear motion structure 232 can be a pneumatic cylinder, an electric cylinder, or a hydraulic cylinder. Specifically, it can be a pneumatic cylinder, for example. The tire pressing structure 233 can be an arc-shaped plate structure, which can be existing technology. The through hole 2310 can be a circular hole.

[0036] According to one embodiment of the present invention, the tire pressing structure 233 is rotatably connected to the free end of the output shaft 2320, the axis of rotation of the tire pressing structure 233 is collinear with the axis of the output shaft 2320, and the tire pressing structure 233 can adjust its rotation angle.

[0037] In practice, the tire pressing structure 233, which acts directly on the inner periphery of the tire, is rotatably connected to the free end of the output shaft 2320. This design allows the tire pressing structure 233 to flexibly adjust its rotation angle according to the specific shape and position requirements of the tire, ensuring that the tire pressing structure 233 can be accurately aligned with the inner periphery of the tire when pressure is applied. In terms of working principle, the wheel assembly is first erected, and then one side of the wheel assembly is placed against the support unit 1. Then, the position of the tire pressing mechanism 23 is adjusted according to the wheel size through the position adjustment mechanism 22 so that the pressure end of the tire pressing structure 233 is aligned with the tire. Then, the rotation angle of the tire pressing structure 233 is adjusted according to the contour of the inner circumference of the tire so that the pressure end of the tire pressing structure 233 is aligned with the inner circumference of the tire. Finally, the linear motion structure 232 is activated so that the output shaft 2320 drives the tire pressing structure 233 to move towards the inner circumference of the tire. Under the drive of the output shaft 2320, the tire pressing structure 233 gradually applies force to the tire, so that the inner circumference of the tire creates a gap with the steel rim, thereby completing the separation process of the tire and the steel rim.

[0038] According to one embodiment of the present invention, the bracket 21 includes a first support structure 211 and a second support structure 212; along the first direction F, the first support structure 211 and the second support structure 212 are arranged at intervals relative to each other and connected to the support unit 1; the outer shell 231 is located between the first support structure 211 and the second support structure 212, and along the first direction F, the outer shell 231 has a first side and a second side, the front end of the first side is rotatably connected to the top of the first support structure 211, and the front end of the second side is rotatably connected to the top of the second support structure 212; the position adjustment mechanism 22 is located on the side of the second side opposite to the first side and connects the second side and the second support structure 212; the through hole 2310 faces the first support structure 211.

[0039] In practical implementation, the first support structure 211 and the second support structure 212, as important components of the bracket 21, are arranged at relative intervals along the first direction F, providing a stable foundation frame for the entire tire pressing mechanism 23 when changing position, ensuring the stability and reliability of the equipment during operation. The outer shell 231 is located between the first support structure 211 and the second support structure 212, and is rotatably connected to the top of the first support structure 211 via its first front end, and rotatably connected to the top of the second support structure 212 via its second front end. This design not only allows the outer shell 231 to be adjusted at appropriate angles when needed, but the movement of the outer shell 231 can also drive the linear motion structure 232 and the tire pressing structure 233 to move, adapting to wheel assemblies of different shapes or sizes. The position adjustment mechanism 22 is located on the second side opposite to the first side and connects the second side and the second support structure 212. Its main function is to precisely adjust the position of the outer shell 231 and its internal components according to actual needs, thereby achieving precise positioning of the force application point on the inner periphery of the tire, improving the applicability and operating efficiency of the equipment. In terms of working principle, the wheel assembly is first erected, and then one side of the wheel assembly is placed against the support unit 1. Then, the position of the outer shell 231 (tire pressing mechanism 23) is adjusted according to the wheel size through the position adjustment mechanism 22. As the position of the outer shell 231 changes, the positions of the linear motion structure 232 and the tire pressing structure 233 also change. After the position is adjusted, the pressure end of the tire pressing structure 233 is aligned with the tire. Then, the rotation angle of the tire pressing structure 233 is adjusted according to the contour of the inner circumference of the tire so that the pressure end of the tire pressing structure 233 is aligned with the inner circumference of the tire. Finally, the linear motion structure 232 is activated, so that the output shaft 2320 drives the tire pressing structure 233 to move towards the inner circumference of the tire. Under the drive of the output shaft 2320, the tire pressing structure 233 gradually applies force to the tire, so that the inner circumference of the tire creates a gap with the steel rim, thereby completing the separation process of the tire and the steel rim.

[0040] In this embodiment, both the first support structure 211 and the second support structure 212 can be plate-shaped.

[0041] According to one embodiment of the present invention, the position adjustment mechanism 22 includes a travel arm 221, a plurality of limiting components 222, a sliding component 223, and a locking component 224; the travel arm 221 is inclined forward in a bottom-to-top direction, and the rear end of the travel arm 221 is connected to the bottom of the rear end of the second support structure 212 on the side opposite to the first support structure 211; the plurality of limiting components 222 are arranged sequentially along the axial direction of the travel arm 221 and sleeved on the travel arm 221; the sliding component 223 is sleeved on two adjacent limiting components. The components 222 are slidable along the axial direction of the travel arm 221 and rotatably connected to the second side. The sliding component 223 has a setting hole 2231. The locking component 224 passes through the setting hole 2231 and can switch between a locked position and an unlocked position. In the locked position, the locking component 224 can extend into the sliding component 223 and abut against the limiting component 222. In the unlocked position, there is a gap between the locking component 224 and the limiting component 222.

[0042] In practical implementation, the stroke arm 221, as a key component of the position adjustment mechanism 22, is inclined forward from bottom to top and connected to the bottom of the second support structure 212. Its design not only provides a stable foundation for the entire position adjustment mechanism 22, but also provides multiple limiting components 222 that are arranged sequentially along the axial direction of the stroke arm 221 and fitted onto it. Their function is to provide multiple fixed adjustment points to ensure that the sliding component 223 has a clear positioning basis when adjusting its position. The sliding component 223 is fitted between two adjacent limiting components 222, allowing it to slide freely on the stroke arm 221. The sliding component 223 is flexibly positioned via a hole 2231 to adapt to the needs of different wheel assemblies. A locking component 224 passes through the hole 2231 in the sliding component 223 and can switch between locked and unlocked positions. When locked, the locking component 224 extends into the sliding component 223 and abuts against the limiting component 222, ensuring the sliding component 223 remains fixed. When unlocked, the locking component 224 extends out of the sliding component 223 and maintains a gap with the limiting component 222, allowing the sliding component 223 to slide along the travel arm 221 for quick adjustment. In terms of working principle, the wheel assembly is first erected, then one side of the wheel assembly rests against the support unit 1. The locking component 224 is then in the unlocked position. At this point, the outer casing 231 (tire pressing mechanism 23) is lifted forward from the bottom by hand. As the outer casing 231 (tire pressing mechanism 23) is lifted, it rotates forward, meaning the position of the outer casing 231 (tire pressing mechanism 23) changes. Figure 1 and Figure 5As shown, as the housing 231 (tire pressing mechanism 23) is lifted, the sliding component 223 slides along the axial direction of the stroke arm 221 towards the front end of the stroke arm 221. When the maintenance worker lifts it to the required position, the locking component 224 is switched to the locked position. At this time, the position of the housing 231 (tire pressing mechanism 23) is fixed. Then, the rotation angle of the tire pressing structure 233 is adjusted according to the contour of the inner periphery of the tire so that the pressure end of the tire pressing structure 233 is aligned with the inner periphery of the tire. Finally, the linear motion structure 232 is activated so that the output shaft 2320 drives the tire pressing structure 233 to move towards the inner periphery of the tire. Under the drive of the output shaft 2320, the tire pressing structure 233 gradually applies force to the tire, so that the inner periphery of the tire creates a gap with the steel rim, thereby completing the separation process of the tire and the steel rim.

[0043] According to one embodiment of the present invention, the outer diameter of the limiting component 222 is gradually reduced along the direction from the front end of the travel arm 221 to the rear end of the travel arm 221; the locking component 224 can extend into the sliding component 223 in the locked position and abut against the side wall of the limiting component 222 through its side wall; and there is a gap between the locking component 224 and the side wall of the limiting component 222 in the unlocked position.

[0044] According to one embodiment of the present invention, the locking component 224 is a self-locking indexing pin.

[0045] In practical implementation, the self-locking indexing pin serves as the locking component 224. Its design purpose is to provide a quick and reliable locking method after the sliding component 223 is adjusted to the desired position. The self-locking indexing pin automatically remains in the locked position under normal conditions. In terms of working principle, first, the wheel assembly is erected, then one side of the wheel assembly rests against the support unit 1. The maintenance worker places their hand on the bottom of the housing 231 and lifts the housing 231 (tire pressing mechanism 23) forward. As the housing 231 (tire pressing mechanism 23) is lifted, it rotates forward; that is, the position of the housing 231 (tire pressing mechanism 23) changes. Figure 1 and Figure 5 As shown, as the housing 231 (tire pressing mechanism 23) is lifted, the sliding component 223 slides along the axial direction of the stroke arm 221 towards the front end of the stroke arm 221. When the maintenance worker lifts it to the required position, the position of the housing 231 (tire pressing mechanism 23) will be automatically fixed after the maintenance worker releases it. After the position is fixed, the rotation angle of the tire pressing structure 233 is adjusted according to the contour of the inner periphery of the tire so that the pressure end of the tire pressing structure 233 is aligned with the inner periphery of the tire. Finally, the linear motion structure 232 is activated so that the output shaft 2320 drives the tire pressing structure 233 to move towards the inner periphery of the tire. Under the drive of the output shaft 2320, the tire pressing structure 233 gradually applies force to the tire, so that the inner periphery of the tire creates a gap with the steel rim, thereby completing the separation process of the tire and the steel rim.

[0046] The automatic fixing is achieved because the outer diameter of the limiting component 222 gradually decreases from the front end of the travel arm 221 to its rear end. Simultaneously, the self-locking indexing pin, under normal conditions, extends forward and elastically abuts against the side wall of the limiting component 224. The limiting component 224 is smaller at the lower end and larger at the upper end. Therefore, when the outer shell 231 (tire pressing mechanism 23) is lifted upwards, the end (inner end) of the self-locking indexing pin can slide on the side wall of the limiting component 224. When the outer shell 231 (tire pressing mechanism 23) is released, the side wall of the end (inner end) of the self-locking indexing pin will engage with the corresponding limiting component 222. The front face (or stepped face) abuts against each other, so the sliding component 223 cannot slide on the stroke arm 221 to the rear end of the stroke arm 221, thus achieving automatic fixation. That is, it achieves the effect of being able to lift the outer shell 231 directly when it is lifted up, but not being able to put it down directly when it needs to be put down. This simplifies the steps of fixing the position of the outer shell 231 (tire pressing mechanism 23) and improves the efficiency of separating the steel rim and the tire. When the maintenance worker completes the separation and needs to put down the outer shell 231 (tire pressing mechanism 23), he can pull outward the outer end of the self-locking indexing pin to switch it to the unlocked position. Thus, the maintenance worker can put down the outer shell 231 (tire pressing mechanism 23).

[0047] In this embodiment, the self-locking indexing pin can be a prior art.

[0048] According to one embodiment of the present invention, it further includes an angle adjustment rod 3, which is perpendicular to the output shaft 2320 and connected to the tire pressing structure 233. The angle adjustment rod 3 can drive the tire pressing structure 233 to rotate, so as to adjust the position of the tire pressing structure 233 relative to the wheel assembly.

[0049] In practice, the angle adjustment rod 3 is equivalent to the angle adjustment handle of the tire pressure structure 233, which makes it convenient for maintenance workers to adjust the angle of the tire pressure structure 233.

[0050] According to one embodiment of the present invention, the support unit 1 includes a first support component 11 and a second support component 12; the first support component 11 has a support surface 111 facing the tire pressing structure 233, and the support surface 111 can abut against the support surface 111 when the wheel assembly is upright; the second support component 12 extends along the first direction F, one end of the second support component 12 is connected to the bottom of the first support component 11, and the other end of the second support component 12 is connected to the first support structure 211 and the second support structure 212, and the bottom surface of the tire abuts against the second support component 12 when the wheel assembly is upright.

[0051] In specific implementation, the first support component 11 is equipped with a support surface 111, which faces the support unit 1. When the wheel assembly is upright, the wheel assembly can abut against this support surface 111 to ensure that the wheel remains stable and does not tilt during operation. The second support component 12 extends along the first direction F and is connected to the bottom of the first support component 11 at one end and to the first support structure 211 and the second support structure 212 at the other end. The second support component 12 allows the bottom surface of the tire to abut against the wheel assembly when the wheel assembly is upright. The second support component 12 not only provides a support base for the first support structure 211 and the second support structure 212, but also prevents the wheel assembly from rolling forward or backward. In this embodiment, the second support component 12 can limit its backward rolling and play a limiting role. As a result, when the maintenance worker is separating the rim and the tire, he / she does not need to hold the wheel assembly for a long time, which simplifies the separation difficulty and reduces the workload of the maintenance worker.

[0052] The above descriptions are merely a few embodiments of this utility model. Those skilled in the art can make various modifications or variations to the embodiments of this utility model based on the content disclosed in the application documents without departing from the spirit and scope of this utility model.

Claims

1. A rim tire separator characterized by, The tire pressing device comprises: a support unit (1) and a tire pressing unit (2); the support unit (1) and the tire pressing unit (2) are arranged along a first direction (F), the support unit (1) can support a wheel assembly; the wheel assembly comprises a rim and a tire; the tire is coaxially sleeved on the rim; the tire pressing unit (2) is connected to the support unit (1), and an operation cavity (4) is formed between the tire pressing unit (2) and the support unit (1); the tire pressing unit (2) comprises a support frame (21), a position adjusting mechanism (22) and a tire pressing mechanism (23); the support frame (21) is connected to the support unit (1); the tire pressing mechanism (23) is connected to the support frame (21) through the position adjusting mechanism (22); the support frame (21) is connected to the support unit (1); and the position adjusting mechanism (22) can adjust the position of the tire pressing mechanism (23); wherein, in a state that the wheel assembly is located in the operation cavity (4) and connected to the support unit (1), the tire pressing mechanism (23) can press against the inner periphery of the tire, so that the inner periphery of the tire and the outer periphery of the rim have a gap.

2. The rim tire separator of claim 1, wherein, The tire pressing mechanism (23) comprises an outer shell (231), a linear motion structure (232) and a tire pressing structure (233); the outer shell (231) is connected to the support frame (21), and the outer shell (231) has an inner cavity and a through hole (2310); the through hole (2310) is located on the side of the outer shell (231) facing the support unit (1); the position adjusting mechanism (22) is connected to the outer shell (231) and the support frame (21); the linear motion structure (232) is arranged in the inner cavity, and the linear motion structure (232) has an output shaft (2320); the output shaft (2320) extends out of the inner cavity through the through hole (2310); and the output shaft (2320) can perform reciprocating linear motion parallel to the first direction (F); the tire pressing structure (233) is located in the operation cavity (4) and connected to the free end of the output shaft (2320); in a state that the wheel assembly is located in the operation cavity (4) and connected to the support unit (1), the tire pressing mechanism (23) can press against the inner periphery of the tire under the drive of the output shaft (2320).

3. The bead tire separator of claim 2, wherein, The support frame (21) comprises a first support structure (211) and a second support structure (212); along the first direction (F), the first support structure (211) and the second support structure (212) are arranged in relative spacing and connected to the support unit (1); the outer shell (231) is located between the first support structure (211) and the second support structure (212); along the first direction (F), the outer shell (231) has a first side and a second side; the front end of the first side is rotatably connected to the top of the first support structure (211); and the front end of the second side is rotatably connected to the top of the second support structure (212). The position adjusting mechanism (22) is located on the side of the second side away from the first side, and is connected to the second side and the second support structure (212); The through hole (2310) is directed towards the first support structure (211).

4. The bead tire separator of claim 3, wherein, The position adjusting mechanism (22) comprises a stroke arm (221), a plurality of limiting components (222), a sliding component (223) and a locking component (224); The stroke arm (221) is arranged in a forward inclination along a direction from bottom to top, and a rear end of the stroke arm (221) is connected to a bottom of a rear end of a side of the second support structure (212) away from the first support structure (211); A plurality of the limiting components (222) are arranged in sequence along an axial direction of the stroke arm (221) and are sleeved on the stroke arm (221); The sliding component (223) is sleeved between two adjacent limiting components (222) and can slide along the axial direction of the stroke arm (221), and is rotatably connected to the second side, and the sliding component (223) has a setting hole (2231) formed thereon; The locking component (224) is arranged in the setting hole (2231), and the locking component (224) can be switched between a locked position and an unlocked position, the locking component (224) can extend into the sliding component (223) and abut against the limiting component (222) in the locked position, and the locking component (224) has a gap with the limiting component (222) in the unlocked position.

5. The beaded tire separator of claim 4, wherein: An outer diameter of the limiting component (222) is arranged in a tapering manner along a direction from a front end of the stroke arm (221) to a rear end of the stroke arm (221); The locking component (224) can extend into the sliding component (223) and abut against a side wall of the limiting component (222) through a side wall thereof in the locked position, and the locking component (224) has a gap with the side wall of the limiting component (222) in the unlocked position.

6. The bead tire separator of claim 5, wherein, The locking component (224) is a self-locking indexing pin.

7. The bead tire separator of claim 2, wherein, The linear motion structure (232) is a pneumatic cylinder, an electric cylinder or a hydraulic cylinder.

8. The bead tire separator of claim 2, wherein, The tire pressing structure (233) is rotatably connected to a free end of the output shaft (2320), an axis of a rotation shaft of the tire pressing structure (233) is collinear with an axis of the output shaft (2320), and the tire pressing structure (233) can adjust a rotation angle thereof.

9. The bead tire separator of claim 8, wherein, An angle adjusting rod (3) is further included, the angle adjusting rod (3) is perpendicular to the output shaft (2320) and is connected to the tire pressing structure (233), and the angle adjusting rod (3) can drive the tire pressing structure (233) to rotate so as to adjust a position of the tire pressing structure (233) relative to the wheel assembly.

10. The bead tire separator of claim 3, wherein, The support unit (1) comprises a first support component (11) and a second support component (12); The first support assembly (11) has a support vertical surface (111) facing the tire pressing structure (233), which can be in abutment with the tire pressing structure (233) when the wheel assembly is upright; The second support assembly (12) is arranged along the first direction (F), one end of the second support assembly (12) is connected to the bottom of the first support assembly (11), and the other end of the second support assembly (12) is connected to the first support structure (211) and the second support structure (212), which can be in abutment with the bottom of the tire when the wheel assembly is upright.

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