Solid tire press

Abstract

The utility model discloses a solid tire pressing tool, including base, guide pillar, roof, tire pressing plate, lower pressing plate, spacer, return spring, jacking device, cone bucket, multistage grab hook mechanism and release hook mechanism. Tire pressing plate and lower pressing plate are connected through spacer interval and are slidably arranged on the guide pillar, and the jacking device drives it to complete tire pressing simultaneously descending. Multistage grab hook mechanism is automatically hooked to the base when tire pressing plate is pressed to the position and locks it. The release hook mechanism is hooked and pulled out the cone bucket when the jacking device returns through the small clasp structure that can be folded and opened. The utility model discloses double stroke automation operation, and one -time completion presses tire and pulls out the cone, and the efficiency is high. Through the design that the cone bucket is sleeved into the hub recess, ensure that tire pressing is in place. With the hub tray that can be turned over and replaced, adapt to different hub models, have the advantages of saving labor, high efficiency, not damaging the hub.

Description

Technical Field

[0001] This utility model relates to the field of tire installation tools, specifically to a solid tire pressure tool. Background Technology

[0002] Installing solid tires onto rims is a very difficult task in the repair of small vehicles such as scooters. Because solid tires lack the elasticity of pneumatic tires, considerable force is required to pry them open and press them into the rim. Currently, this task is mostly done manually using simple tools such as pry bars, which has significant drawbacks such as being laborious, inefficient, damaging to the rim, and prone to incomplete installation. Especially for rims originally designed for pneumatic tires, there is a recess in the center to accommodate the inner tube; when directly pressing in a solid tire, the tire easily gets stuck in this recess and cannot fully penetrate the rim, leading to unsuccessful installation. Therefore, there is an urgent need for a specialized tool that can save effort, increase efficiency, prevent damage to the rim, and press a solid tire into place in one go. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a solid tire compression tool.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A solid tire pressing tool includes a base, guide post, top plate, pressing plate, lower pressing plate, spacer, return spring, lifting device, cone, multi-stage gripping hook mechanism and release hook mechanism. The base is used to place the wheel hub; at least two guide posts are erected on the base; the top plate is fixed to the top of the guide posts; the pressure plate, lower pressure plate, and spacer are all slidably sleeved on the guide posts, with the pressure plate located below and the lower pressure plate located above, and the spacer separating the two; a detachable adapter plate is provided below the pressure plate, which is connected to the pressure plate by a quick-lock screw to adapt to tires and wheel hubs of different sizes; a return spring is sleeved on the guide post and located between the base and the pressure plate, used to support the pressure plate in the initial state to maintain a distance between it and the base; a lifting device is set between the top plate and the lower pressure plate to apply downward pressure to the lower pressure plate; a cone is used to be placed on the wheel hub during tire pressing, and its lower part can be fitted into the wheel hub; a multi-stage hook mechanism is set on the pressure plate to hook the base when the pressure plate is pressed down to a set position; a release hook mechanism is set on the lower pressure plate and can pass through the perforation in the middle of the pressure plate to extend into and hook the top of the cone at the end of the tire pressing stroke.

[0005] During the tire pressing process, the lifting device drives the lower pressing plate downwards, and through the spacer, it drives the pressing plate downwards synchronously, pressing the tire into the wheel hub; when the multi-stage hook mechanism hooks the base, the lifting device pulls the lower pressing plate upwards during the return stroke. At this time, the release hook mechanism pulls upwards synchronously and removes the cone from the wheel hub.

[0006] As a further improvement of this utility model, the lifting device is any one of a jack, a cylinder, a hydraulic cylinder or an electric cylinder.

[0007] As a further improvement of this utility model, the base is provided with a replaceable hub tray, and the hub tray has an outer edge positioning structure. The outer edge positioning structure is divided into an inner concave structure and a convex structure set on the upper and lower surfaces, so that it can be adapted to different positioning requirements by flipping up and down.

[0008] As a further improvement of this utility model, the multi-stage hook mechanism includes two large hooks pivotally connected to the tire pressure plate; the bottom inner side of the large hook is an inclined guide surface, so that when the tire pressure plate is pressed down, the large hook swings outward and hooks onto the base after contacting the base; the inner side of the large hook is provided with multiple steps to adapt to wheel hubs of different heights.

[0009] As a further improvement of this utility model, the release hook mechanism includes a central shaft, a movable sleeve, multiple small hooks, and a fixed end. The central shaft is fixed to the lower pressure plate; the movable sleeve is slidably sleeved on the central shaft; the multiple small hooks are pivotally connected to the movable sleeve; and the fixed end is located at the bottom of the central shaft. When the lower pressure plate descends, it is passively pushed upwards and retracted by the arc surface of the outer side of the small hooks contacting the center hole of the cone, so that the release hook mechanism can pass downwards through the center hole at the top of the cone; when the movable sleeve is released and slides down, the fixed end pushes the small hooks outwards, thereby causing the small hooks to hook onto the inner wall of the cone.

[0010] The beneficial effects of this utility model are: It adopts a dual-stroke automated operation: the downward stroke completes tire compression, and the upward stroke simultaneously completes cone removal, resulting in high efficiency. The design of inserting a cone into the recess of the wheel hub ensures that the tire is pressed into place in one go, solving a pain point in the industry. The multi-stage hook mechanism enables automatic locking, and the release hook mechanism enables reliable gripping and release, ensuring smooth operation. Furthermore, the large hook of the multi-stage hook mechanism has multiple steps on its inner side to accommodate wheel hubs of different heights, enhancing locking flexibility. Improve tool compatibility and versatility through designs such as replaceable and flip-up hub trays; The entire installation process is effortless and will not damage the wheel hub. Attached Figure Description

[0011] Figure 1 , Figure 2 Perspective and cross-sectional views of the initial state of this application; Figure 3 , Figure 4 These are perspective and cross-sectional views of the tire-pressed state in this application; Figure 5 , Figure 6 These are perspective and cross-sectional views of the cone-shaped state of this application. Figure 7 , Figure 8 This is a schematic diagram illustrating the retraction and expansion of the release hook mechanism of this application. Figure 9 This is a schematic diagram of the adapter installation in this application; Figure 10 This is a schematic diagram of the traction rope.

[0012] Reference numerals: Base 1, Guide post 2, Top plate 3, Pressure plate 4, Lower pressure plate 5, Spacer 6, Return spring 7, Lifting device 8, Cone barrel 9, Step 9a, Multi-stage grab hook mechanism 10, Large hook 10a, Inclined guide surface 10b, Multi-stage step 10c, Release hook mechanism 11, Central shaft 11a, Movable sleeve 11b, Small hook 11c, Fixed end 11d, Hub 12, Hub tray 13, Concave structure 13a, Protruding structure 13b, Tire 14, Adapter plate 15, Traction rope 16. Detailed Implementation

[0013] 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.

[0014] Reference Figures 1 to 9 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.

[0015] Reference Figures 1 to 10 The solid tire pressing tool shown mainly includes a base 1, a guide post 2, a top plate 3, a pressing plate 4, a lower pressing plate 5, a spacer 6, a return spring 7, a lifting device 8, a cone 9, a multi-stage grabbing hook mechanism 10, and a release hook mechanism 11.

[0016] The base 1 serves as the base for the entire tool, with a replaceable wheel tray 13 mounted at its center. Four guide posts 2 are upright and fixed to the base 1, and a top plate 3 is fixed to the top of the guide posts 2. The tire pressure plate 4 and the lower pressure plate 5 are slidably fitted onto the guide posts 2 via linear bearings or smooth sleeve holes. The tire pressure plate 4 is located below, and the lower pressure plate 5 is located above, separated by a spacer 6. A detachable adapter plate 15 is located below the tire pressure plate 4, connected to the tire pressure plate 4 by screws. By replacing the adapter plate 15, different sizes of tires 14 and wheel rims 12 can be accommodated. Figure 9 The adapter plate 15 shown is the largest size. If the wheel hub 12 is too small, the adapter plate 15 needs to be replaced. The return spring 7 is sleeved on the guide post 2, and its two ends act on the lower surface of the base 1 and the pressure plate 4 respectively. In the non-working state, it will push the pressure plate 4 upward to keep it at a certain distance from the base 1, so that the operator can place the wheel hub 12.

[0017] The lifting device 8, in this embodiment, is a jack, which is installed between the top plate 3 and the lower pressure plate 5.

[0018] The multi-stage hook mechanism 10 includes two large hooks 10a pivotally connected to both sides of the pressure plate 4. An inclined guide surface 10b is machined on the inner bottom of each large hook 10a. The inner side of the large hook 10a also has multiple steps 10c to accommodate wheel hubs 12 of different heights. When the pressure plate 4 is pressed down, this inclined surface contacts the edge of the base 1. Under the action of the inclined guide surface 10b of the large hook 10a, it automatically swings outwards and eventually hooks onto the base 1, thus locking the pressure plate 4 in its lowest position. After the work is completed, the large hook 10a needs to be manually pulled outwards to disengage from the base 1, and the pressure plate 4 will then return to its original position under the action of the return spring 7.

[0019] The release hook mechanism 11 is fixedly installed at the center of the lower pressure plate 5. It includes a central shaft 11a, a movable sleeve 11b slidably sleeved on the central shaft 11a, and four small hooks 11c pivotally connected to the movable sleeve 11b. The bottom of the central shaft 11a has a fixed end 11d. When the lower pressure plate 5 descends, it is passively pushed upward and retracted by the arc surface of the outer side of the small hooks 11c contacting the center hole of the cone 9, so that the release hook mechanism 11 can pass downward through the center hole at the top of the cone 9. Continuing to descend to a certain position, the movable sleeve 11b slides down along the central shaft 11a under the action of gravity and expands outward, thereby increasing its diameter, and the top of the small hooks 11c has a flat structure that can firmly hook the edge of the center hole of the cone 9. At this time, the lifting device 8 returns, pulling up the lower pressure plate 5, and the release hook mechanism 11 simultaneously pulls the cone 9 out of the compressed tire 14 and hub 12.

[0020] The wheel tray 13 is mounted on the base 1. Its unique feature is that its upper and lower surfaces have different positioning structures: one side has a concave structure 13a, used to adapt to one type of wheel hub 12 positioning method; the other side has a convex structure 13b, used to adapt to another type of wheel hub 12. By flipping the wheel tray 13, it can be quickly switched to accommodate different wheel hub 12 types, such as auxiliary wheels and motor wheels. The wheel tray 13 itself can also be replaced to adapt to different sizes.

[0021] A brief description of the workflow of this utility model: 1. Preparation: Select a suitable wheel hub tray 13 according to the type of wheel hub 12 and install it on the base 1. Place the wheel hub 12 on the tray. Put the solid tire over the cone 9, and then put the cone 9 onto the wheel hub 12. The step 9a of the cone 9 can position the depth of the cone 9, ensuring that the tire is pressed into place in one go.

[0022] 2. Tire Pressing: Activate the lifting device 8 to drive the lower pressure plate 5 and tire pressing plate 4 downwards synchronously. The tire pressing plate 4 presses down on the tire 14, spreading it open and pressing it into the wheel hub 12. During this process, the lower part of the cone 9 fits into the recess of the wheel hub 12, ensuring the tire 14 is in place. The release hook mechanism 11 closes and enters the cone 9. When the tire pressing plate 4 is pressed to the bottom, the multi-stage grab hook mechanism 10 automatically engages and locks the tire pressing plate 4.

[0023] 3. Cone removal: The lifting device 8 moves in the reverse direction and begins its return stroke. At this time, since the pressure plate 4 has been locked, the lower pressure plate 5 rises independently. The movable sleeve 11b of the release hook mechanism 11 has slid down and opened the small hook 11c, hooking the cone 9. Therefore, as the lower pressure plate 5 rises, the cone 9 is smoothly pulled out from the tire 14 and the hub 12.

[0024] 4. Reset: Tire pressing complete. Manually unlock the multi-stage hook mechanism 10, and the tire pressing plate 4 rises and resets under the action of the reset spring 7. Remove the wheel hub 12 with the tire 14 installed, and then remove the cone 9 to prepare for the next work cycle. It should be noted that removing the cone 9 requires the assistance of the traction rope 16. Specifically, the cone 9 hooked by the release hook mechanism 11 can be removed by manually pulling up the traction rope 16, causing the movable sleeve 11b to move upward, thereby driving the small hook 11c to retract and remove the cone 9. The traction rope 16 can be connected to the movable sleeve 11b by punching holes or setting hooks on it, and the end of the traction rope 16 is wrapped around the punched holes or hooks and tied tightly.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A solid tire inflator, characterized in that, include: Base (1) for placing wheel hub (12); At least two guide posts (2) are erected on the base (1); Top plate (3) is fixed to the top of the guide post (2); The pressure plate (4), the lower pressure plate (5), and the spacer (6) are all slidably sleeved on the guide post (2). The pressure plate (4) is located below, the lower pressure plate (5) is located above, and the spacer (6) separates the two. A reset spring (7) is sleeved on the guide post (2) and located between the base (1) and the pressure plate (4) to support the pressure plate (4) in the initial state so that it maintains a distance from the base (1); A lifting device (8) is disposed between the top plate (3) and the lower pressure plate (5) for applying downward pressure to the lower pressure plate (5); A cone (9) is used to be placed on the wheel hub (12) during tire pressing, and its lower part can be fitted onto the wheel hub (12); A multi-stage hook mechanism (10) is provided on the pressure plate (4) to hook the base (1) when the pressure plate (4) is pressed down to a set position, so as to lock the position of the pressure plate (4); Release hook mechanism (11) is provided on the lower pressure plate (5) and can pass through the perforation in the middle of the tire pressure plate (4) for extending into and hooking the top of the cone (9) during the tire pressure stroke; During the tire pressing process, the lifting device (8) drives the lower pressing plate (5) to move downwards, and the tire pressing plate (4) moves downwards synchronously through the spacer (6) to press the tire (14) into the wheel hub (12); when the multi-stage hook mechanism (10) hooks the base (1), the lifting device (8) pulls the lower pressing plate (5) back up, and at this time the release hook mechanism (11) pulls up synchronously and pulls the cone (9) out of the wheel hub (12).

2. The solid tire compression tool according to claim 1, characterized in that: The lifting device (8) is any one of a jack, a cylinder, a hydraulic cylinder or an electric cylinder.

3. The solid tire compression tool according to claim 1, characterized in that: The base (1) is provided with a replaceable hub tray (13), and the hub tray (13) has an outer edge positioning structure, which includes a concave structure (13a) and a convex structure (13b) disposed on the upper and lower surfaces of the hub tray (13).

4. A solid tire compression tool according to claim 1, characterized in that: The multi-stage hook mechanism (10) includes two large hooks (10a) pivotally connected to the pressure plate (4); the bottom inner side of the large hook (10a) is an inclined guide surface (10b). When the pressure plate (4) is pressed down, the large hook (10a) can automatically swing outward and hook onto the base (1) after contacting the base (1).

5. A solid tire compression tool according to claim 4, characterized in that: The inner side of the large hook (10a) is provided with multiple steps (10c).

6. A solid tire compression tool according to claim 1, characterized in that, The release hook mechanism (11) includes: The central shaft (11a) is fixed to the lower pressure plate (5); The movable sleeve (11b) is slidably mounted on the central shaft (11a); Multiple small hooks (11c) are pivotally connected to the movable sleeve (11b); The fixed end (11d) is located at the bottom of the central shaft (11a); When the lower pressure plate (5) descends, it is passively pushed up and closed by the arc surface of the outer side of the small hook (11c) after contacting the center hole of the cone (9), so that the release hook mechanism (11) can pass down through the center hole at the top of the cone (9); when the movable sleeve (11b) is released and it slides down, the fixed end (11d) pushes the small hook (11c) outward, so that the small hook (11c) hooks the inner wall of the cone (9).

7. A solid tire compression tool according to claim 6, characterized in that, The movable sleeve (11b) is provided with a traction rope (16).

8. A solid tire compression tool according to claim 1, characterized in that, A detachable adapter plate (15) is provided below the tire pressure plate (4).

9. A solid tire compression tool according to claim 1, characterized in that, The cone (9) has a positioning step (9a) at the bottom inside.

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