Rubber bushing reducing device

By combining the fixed base, push rod A, push rod B and the diameter reduction block, the problems of poor diameter reduction effect and inconvenient removal of rubber bushings are solved, achieving efficient diameter reduction and convenient removal.

CN224224576UActive Publication Date: 2026-05-12ZHEJIANG YIMING LOCOMOTIVE PARTS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG YIMING LOCOMOTIVE PARTS
Filing Date
2025-05-30
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

Existing rubber bushing diameter reduction devices suffer from poor diameter reduction effect and are difficult to remove.

Method used

The system employs a combination structure consisting of a fixed base, push rod A, push rod B, and a diameter reduction block. Push rod A compresses and supports the inner diameter of the rubber bushing to prevent deformation, while push rod B compresses and reduces the outer diameter. Combined with the design of an electric telescopic rod and a placement plate, the rubber bushing is easily removed.

Benefits of technology

This achieves efficient diameter reduction and convenient removal of the rubber bushing, improving the ease of use and diameter reduction effect of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rubber bushing reducing device, relates to the technical field of bushing reducing, solves the problems that an existing device is poor in reducing effect and inconvenient to take out a rubber bushing, and adopts the following scheme that a base is fixedly mounted on the top surface of a control box, and a processing seat is fixedly mounted on the top surface of the base. Through the arrangement of the fixed seat, the push rod A, the push rod B and the reducing block, the fixed seat is sleeved with the rubber bushing, the push rod A drives the inner diameter fixing block to extrude and support the inner diameter of the rubber bushing so as to prevent the inner diameter of the rubber bushing from deforming, then the push rod B drives the reducing block to extrude and reduce the outer wall of the rubber bushing, the operation is simple and convenient, and the reducing effect is good; and meanwhile, through arrangement of an electric telescopic rod, a placing plate and a groove, after the rubber bushing is machined, a push rod B drives a reducing block to retract into the groove, and then the electric telescopic rod drives the placing plate to move upwards, so that the rubber bushing is moved from the machining groove, and the rubber bushing is convenient to take.
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Description

Technical Field

[0001] This utility model relates to the field of bushing diameter reduction technology, specifically to a rubber bushing diameter reduction device. Background Technology

[0002] The inner and outer sleeves of the rubber bushing are both bonded with rubber. After vulcanization, the rubber cools and shrinks, and the rubber is firmly bonded to the inner and outer sleeves. The rubber has no space to shrink, which causes tensile stress between molecules. During the operation of the bushing, when the tensile stress is greater than the strength of the rubber itself, cracks are likely to occur inside the rubber bushing, leading to the destruction of the bushing.

[0003] A search revealed that patent application CN205889874U discloses a rubber bushing diameter reduction device, comprising a lower mold, an upper mold, and a segment mold. The lower mold includes a central positioning pin and radially distributed T-slots. The upper mold is internally configured as a hollow cone. The segment mold includes a segment mold body divided into several segments and a slider. The slider is slidably disposed in the T-slots and fixed on the segment mold body. After the segment mold is closed by the upper mold applying downward pressure, a cavity is formed in the center and configured to the shape of a rubber bushing, radially compressing the rubber bushing, thereby enabling the processing of unconventional rubber bushings.

[0004] However, due to the design of the upper and lower molds, the cavity forms the shape of a rubber bushing. Then, the rubber bushing is compressed. Since the inner diameter of the rubber bushing has no supporting force, excessive compression force can easily cause deformation of the rubber bushing, resulting in poor diameter reduction effect. At the same time, due to the design of the lower and upper molds, the rubber bushing is placed on the lower mold for diameter reduction. After the diameter reduction is completed, the rubber bushing is inconvenient to remove because it is inside the cavity, making it inconvenient to use.

[0005] Therefore, we propose a rubber bushing diameter reduction device. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides a rubber bushing diameter reduction device, which solves the problems of poor diameter reduction effect and inconvenience in removing the rubber bushing in existing devices.

[0007] To achieve the above objectives, this utility model is implemented through the following technical solution: a rubber bushing diameter reduction device, including a control box, wherein four sets of support columns are fixedly installed on the bottom surface of the control box;

[0008] A base is fixedly installed on the top surface of the control box, and a machining seat is fixedly installed on the top surface of the base. A through machining groove is opened on the top surface of the machining seat. A placement plate of the same specification is slidably connected to the bottom side of the inner wall of the machining groove. A fixing seat is fixedly installed on the top surface of the placement plate. Push rods A, which are mounted on the cylinder output end and are evenly distributed, are slidably connected to the outer wall of the fixing seat. An inner diameter fixing block is mounted on the outer end of the push rod A. A rubber bushing is provided on the outer side of the inner diameter fixing block. Push rods B, which are mounted on the cylinder output end and are evenly distributed, are slidably connected to the inner wall of the machining groove. A diameter reduction block is mounted on the inner end of the push rod B.

[0009] An electric telescopic rod is fixedly installed inside the base. The top end of the electric telescopic rod is connected to the placement plate. A groove adapted to the size of the diameter reduction block is opened on the inner wall of the processing groove.

[0010] Preferably, a top seat is fixedly installed on the top surface of the processing base. The top surface of the top seat has a groove, and a sealing cover of the same specification is installed in the groove. This seals the processing groove, prevents dust from entering the processing groove and affecting the processing of the rubber bushing, and also improves the service life of the internal components.

[0011] Preferably, the groove is adapted to the specifications of the processing groove, and the diameter of the groove gradually increases from bottom to top, which facilitates the placement and removal of the rubber bushing.

[0012] Preferably, the inner diameter fixing block is connected to the push rod A through a threaded hole, which facilitates the replacement of the inner diameter fixing block and the processing of rubber bushings of different specifications.

[0013] Preferably, the reduced diameter block is connected to the push rod B through a threaded hole, which facilitates the replacement of the reduced diameter block and allows for the processing of rubber bushings of different shapes.

[0014] Preferably, the front of the control box is equipped with a control panel, and the control panel is connected to the cylinder and the electric telescopic rod via wires, which facilitates the control of the push rod and the electric telescopic rod.

[0015] 1. This rubber bushing diameter reduction device, through the setting of a fixed seat, push rod A, push rod B and diameter reduction block, puts the rubber bushing on the fixed seat. Push rod A drives the inner diameter fixing block to squeeze and support the inner diameter of the rubber bushing to prevent its inner diameter from deforming. Then push rod B drives the diameter reduction block to squeeze and reduce the outer wall of the rubber bushing. It is simple, convenient and has a good diameter reduction effect.

[0016] 2. Simultaneously, through the setting of electric telescopic rod, placement plate and groove, after the rubber bushing is processed, push rod B drives the diameter reduction block to retract into the groove, and then the electric telescopic rod drives the placement plate to move upward, thereby moving the rubber bushing from the processing groove, making it easy to take out the rubber bushing and convenient to use. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the processing base of this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the base of this utility model;

[0020] Figure 4 This is a schematic diagram of the diameter reduction block of this utility model.

[0021] In the diagram: 1. Control box; 2. Support column; 3. Control panel; 4. Base; 5. Machining seat; 6. Top seat; 7. Placement plate; 8. Electric telescopic rod; 9. Machining groove; 10. Fixed seat; 11. Push rod A; 12. Inner diameter fixing block; 13. Rubber bushing; 14. Groove; 15. Push rod B; 16. Reduction block; 17. Through hole; 18. Sealing cover. Detailed Implementation

[0022] 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.

[0023] Example 1: As Figure 1-4As shown: A base 4 is fixedly installed on the top surface of the control box 1. A machining seat 5 is fixedly installed on the top surface of the base 4. A through machining groove 9 is opened on the top surface of the machining seat 5. A matching placement plate 7 is slidably connected to the bottom side of the inner wall of the machining groove 9. A fixing seat 10 is fixedly installed on the top surface of the placement plate 7. Push rods A11, which are mounted on the cylinder output end and are evenly distributed, are slidably connected to the outer wall of the fixing seat 10. An inner diameter fixing block 12 is mounted on the outer end of the push rod A11. A rubber bushing 13 is provided on the outer side of the inner diameter fixing block 12. The machining groove 9... Push rods B15, which are evenly distributed and mounted on the cylinder output end, are slidably connected to the inner wall. A diameter reduction block 16 is mounted on the inner end of push rod B15. Through the arrangement of fixed seat 10, push rod A11, push rod B15 and diameter reduction block 16, rubber bushing 13 is fitted onto fixed seat 10. Push rod A11 drives inner diameter fixing block 12 to squeeze and support the inner diameter of rubber bushing 13 to prevent deformation of its inner diameter. Then push rod B15 drives diameter reduction block 16 to squeeze and reduce the outer diameter of rubber bushing 13. It is simple, convenient and has a good diameter reduction effect.

[0024] Example 2: As Figure 2-4 As shown: An electric telescopic rod 8 is fixedly installed inside the base 4. The top end of the electric telescopic rod 8 is connected to the placement plate 7. A groove 14 adapted to the specifications of the diameter reduction block 16 is opened on the inner wall of the processing groove 9. With the setting of the electric telescopic rod 8, the placement plate 7 and the groove 14, after the rubber bushing 13 is processed, the push rod B15 drives the diameter reduction block 16 to retract into the groove 14. Then the electric telescopic rod 8 drives the placement plate 7 to move upward, thereby moving the rubber bushing 13 from the processing groove 9, making it easy to take out the rubber bushing 13 and use it.

[0025] Example 3: As Figure 2-3 As shown: A top seat 6 is fixedly installed on the top surface of the processing seat 5. A groove 14 is opened on the top surface of the top seat 6, and a sealing cover 18 of the same specification is installed in the groove 14. This seals the processing groove 9, prevents dust from entering the processing groove 9 and affecting the processing of the rubber bushing 13, and also improves the service life of the internal components.

[0026] The working principle and usage process of this utility model are as follows: When the device is needed, the rubber bushing 13 is first placed on the fixed base 10. The push rod A11 drives the inner diameter fixing block 12 to squeeze and support the inner diameter of the rubber bushing 13 to prevent deformation of its inner diameter. Then, the push rod B15 drives the diameter reduction block 16 to squeeze and reduce the outer diameter of the rubber bushing 13. After processing, the push rod B15 drives the diameter reduction block 16 to retract into the groove 14. Then, the electric telescopic rod 8 drives the placement plate 7 to move upward, thereby moving the rubber bushing 13 from the processing groove 9, making it easy to remove the rubber bushing 13. When the device is not in use, the processing groove 9 is sealed by the sealing cover 18 to prevent dust from entering.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0028] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A rubber bushing diameter reduction device, including a control box (1), wherein four sets of support columns (2) are fixedly installed on the bottom surface of the control box (1). Its features are: The control box (1) is fixedly mounted with a base (4), and the base (4) is fixedly mounted with a machining seat (5). The machining seat (5) has a through machining groove (9) on its top surface. A matching placement plate (7) is slidably connected to the bottom side of the inner wall of the machining groove (9). A fixed seat (10) is fixedly mounted on the top surface of the placement plate (7). A push rod A (11) is slidably connected to the outer wall of the fixed seat (10) and is evenly distributed on the cylinder output end. An inner diameter fixing block (12) is mounted on the outer end of the push rod A (11). A rubber bushing (13) is provided on the outer side of the inner diameter fixing block (12). A push rod B (15) is slidably connected to the inner wall of the machining groove (9) and is evenly distributed on the cylinder output end. A diameter reduction block (16) is mounted on the inner end of the push rod B (15). An electric telescopic rod (8) is fixedly installed inside the base (4). The top of the electric telescopic rod (8) is connected to the placement plate (7). A groove (14) adapted to the specifications of the diameter reduction block (16) is opened on the inner wall of the processing groove (9).

2. The rubber bushing diameter reduction device according to claim 1, characterized in that: The processing base (5) has a top seat (6) fixedly installed on its top surface. The top surface of the top seat (6) has a groove (14) and a sealing cover (18) of the same specification is installed in the groove (14).

3. The rubber bushing diameter reduction device according to claim 2, characterized in that: The groove (14) is adapted to the specifications of the processing groove (9), and the diameter of the groove (14) gradually increases from bottom to top.

4. The rubber bushing diameter reduction device according to claim 1, characterized in that: The inner diameter fixing block (12) is connected to the push rod A (11) through a threaded hole.

5. The rubber bushing diameter reduction device according to claim 1, characterized in that: The reduced diameter block (16) is connected to the push rod B (15) through a threaded hole.

6. The rubber bushing diameter reduction device according to claim 1, characterized in that: The control box (1) is equipped with a control panel (3) on the front side, and the control panel (3) is connected to the cylinder and the electric telescopic rod (8) by wires.