Bicycle rim correcting device

Abstract

The utility model relates to the technical field of bicycle rim correction, in particular to a bicycle rim correction device. Comprising a support, a mounting frame is fixedly mounted at the top of the support, a rim is arranged in the mounting frame, first hydraulic cylinders are arranged at the top and the bottom of the mounting frame, output rods of the first hydraulic cylinders extend into the mounting frame and are provided with arc-shaped pressing blocks, and the arc-shaped pressing blocks make contact with the rim; a first through hole penetrates through the inner wall of one side of the mounting frame, a rotating shaft rotatably penetrates through the first through hole, one end of the rotating shaft is slidably mounted in a shaft sleeve of the rim, a cavity communicated with the first through hole is formed in the mounting frame, and the rotating shaft rotatably penetrates through the cavity and is fixedly sleeved with a first gear. By means of the simple rotating structure, automatic rotating adjustment can be conveniently conducted on bicycle rims of different sizes, the problem that the bicycle rims are manually assisted to rotate is solved, and the risk of correction work of the bicycle rims can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle wheel rim correction, in particular to a bicycle wheel rim correction device. Background Art

[0002] With the continuous development of the economy, people's living standards are constantly improving, and the requirements for quality of life are also constantly improving. More and more people begin to exercise, especially cycling exercise, and the market demand for bicycles is also increasing. Bicycle rims often need to be corrected during the production process or maintenance to ensure the smooth rotation of the rims. The prior art discloses a bicycle rim correction device with authorization announcement number CN221133639U, including a workbench; a processing seat, symmetrically mounted on the workbench; a support plate, mounted on the workbench; a clamping mechanism, mounted on the processing seat, for clamping the rim; a correction mechanism, mounted on the support plate, for correcting the rim, the clamping mechanism can automatically clamp the rim, and the correction mechanism can be used to correct the rim, thereby realizing automated correction operations in large-scale production and ensuring good work efficiency.

[0003] However, it is found in use that the existing bicycle rim correction device is not convenient for adapting to bicycle rims of different sizes and is not convenient for automatically rotating and adjusting the rim. Manual rotation adjustment is required, which is not conducive to reducing the risk of correction work. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a bicycle rim correction device, which is convenient for automatic rotation adjustment of bicycle rims of different sizes, avoids the problem of manual assistance in rotating bicycle rims, can effectively reduce the risk of bicycle rim correction work, and solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the utility model adopts the following technical solution: a bicycle wheel rim correction device, comprising a support, a mounting frame fixedly mounted on the top of the support, a rim being arranged in the mounting frame, a first hydraulic cylinder being arranged on the top and bottom of the mounting frame, an output rod of the first hydraulic cylinder extending into the mounting frame and being provided with an arc-shaped pressure block, the arc-shaped pressure block being in contact with the rim, a first through hole being penetrated through an inner wall on one side of the mounting frame, a rotating shaft being rotatably penetrated through the first through hole, one end of the rotating shaft being slidably mounted in a shaft sleeve of the rim, a chamber communicating with the first through hole being opened on the mounting frame, the rotating shaft rotatably penetrates through the chamber and is fixedly sleeved with a first gear, a motor being arranged on one side of the mounting frame, an output shaft of the motor extending into the chamber and being provided with a second gear, the second gear being meshed with the first gear.

[0006] In order to effectively correct the lateral deformation of the bicycle rim:

[0007] As a further improvement of the above technical solution: the mounting frame also includes a slide plate, which is slidably installed in the mounting frame, and an annular limit plate and an annular clamping plate are fixedly installed on one side of the slide plate and the inner wall of one side of the mounting frame, the annular limit plate is in contact with one end of the rim sleeve, and the rim is in contact with both annular clamping plates, and a plurality of guide rods are fixedly installed on the side of the slide plate away from the rim, one end of the guide rod extends outside the mounting frame, a vertical plate is provided on one side of the mounting frame, the guide rod is fixed on the vertical plate, and a second hydraulic cylinder is fixedly installed on the top and bottom of the mounting frame, and the output rod of the second hydraulic cylinder is fixed on the vertical plate.

[0008] The beneficial effect of this improvement is that, through such an arrangement, the lateral deformation problem of the bicycle rim can be effectively corrected, and the deformation problem of the bicycle rim caused by local pressure can be effectively avoided.

[0009] In order to facilitate the limiting of the output rod of the first hydraulic cylinder:

[0010] As a further improvement of the above technical solution: second through holes are penetrated on the top and bottom inner walls of the installation frame, and the output rod of the first hydraulic cylinder slides through the corresponding second through holes.

[0011] The beneficial effect of this improvement is that by providing the second through hole, it is convenient to limit the output rod of the first hydraulic cylinder.

[0012] In order to facilitate the shaft to drive the rim to rotate:

[0013] As a further improvement of the above technical solution: the fixed sleeve on the rotating shaft is provided with a plurality of rubber rings, and the rubber rings are in contact with the inner wall of the wheel rim sleeve.

[0014] The beneficial effect of this improvement is that by providing the rubber ring, it is easier for the rotating shaft to drive the wheel rim to rotate.

[0015] In order to facilitate the limitation of the output shaft of the motor:

[0016] As a further improvement of the above technical solution: a third through hole is penetrated on an inner wall of one side of the chamber, and the output shaft of the motor rotates and penetrates the third through hole.

[0017] The beneficial effect of this improvement is that by providing the third through hole, it is convenient to limit the output shaft of the motor.

[0018] In order to facilitate the positioning of the skateboard:

[0019] As a further improvement of the above technical solution: the rotating shaft rotates and passes through the corresponding annular limit plate, and limit grooves are provided on the top and bottom inner walls of the installation frame, and limit blocks are slidably installed in the limit grooves, and the limit blocks are fixed on the slide plate.

[0020] The beneficial effect of this improvement is that by setting the limiting groove and the limiting block, it is convenient to limit the slide plate.

[0021] To facilitate the lateral movement of the guide rod:

[0022] As a further improvement of the above technical solution: a plurality of fourth through holes are penetrated on an inner wall of one side of the installation frame, and the guide rod slides through the corresponding fourth through holes.

[0023] The beneficial effect of this improvement is that the fourth through hole is provided to facilitate the lateral movement of the guide rod.

[0024] The beneficial effects of the utility model are as follows: through a simple rotating structure, it is convenient to automatically rotate and adjust bicycle rims of different sizes, thus avoiding the problem of manually assisting in rotating the bicycle rims, and being able to effectively reduce the risk of bicycle rim correction work. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0026] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A;

[0027] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure of part B;

[0028] Figure 4 It is a schematic diagram of the three-dimensional structure of the arc-shaped pressing block in the utility model;

[0029] Figure 5 It is a schematic diagram of the three-dimensional sectional combined assembly structure of the slide plate, the annular clamping plate and the annular limiting plate in the utility model.

[0030] In the figure: 1, support; 2, mounting frame; 3, wheel rim; 4, first hydraulic cylinder; 5, arc-shaped pressure block; 6, first through hole; 7, rotating shaft; 8, chamber; 9, first gear; 10, motor; 11, second gear; 12, slide plate; 13, annular limit plate; 14, annular clamping plate; 15, guide rod; 16, vertical plate; 17, second hydraulic cylinder. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0032] like Figure 1-5As shown, a bicycle wheel rim correction device comprises a support 1, a mounting frame 2 is fixedly mounted on the top of the support 1, a rim 3 is arranged in the mounting frame 2, a first hydraulic cylinder 4 is arranged on the top and bottom of the mounting frame 2, an output rod of the first hydraulic cylinder 4 extends into the mounting frame 2 and is provided with an arc-shaped pressing block 5, the arc-shaped pressing block 5 is in contact with the rim 3, a first through hole 6 is penetrated on the inner wall of one side of the mounting frame 2, a rotating shaft 7 is rotatably penetrated in the first through hole 6, one end of the rotating shaft 7 is slidably mounted in the shaft sleeve of the rim 3, a chamber 8 communicating with the first through hole 6 is opened on the mounting frame 2, the rotating shaft 7 rotatably penetrates the chamber 8 and is fixedly sleeved with a first gear 9, a motor 10 is arranged on one side of the mounting frame 2, and the output of the motor 10 The output shaft extends into the chamber 8 and is provided with a second gear 11, which is meshed with the first gear 9. Through a simple rotating structure, it is convenient to automatically rotate and adjust bicycle rims of different sizes, avoiding the problem of manually assisting the rotation of bicycle rims, and can effectively reduce the risk of bicycle rim correction work. The mounting frame 2 also includes a slide plate 12, which is slidably installed in the mounting frame 2, and an annular limiting plate 13 and an annular clamping plate 14 are fixedly installed on one side of the slide plate 12 and the inner wall of one side of the mounting frame 2, the annular limiting plate is in contact with one end of the rim 3 sleeve, and the rim 3 is in contact with two annular clamping plates 14, and a plurality of guide rods 15 are fixedly installed on the side of the slide plate 12 away from the rim 3. One end of 15 extends outside the mounting frame 2, and a vertical plate 16 is provided on one side of the mounting frame 2. The guide rod 15 is fixed on the vertical plate 16. A second hydraulic cylinder 17 is fixedly installed on the top and bottom of the mounting frame 2, and the output rod of the second hydraulic cylinder 17 is fixed on the vertical plate 16. By such an arrangement, it is convenient to effectively correct the lateral deformation problem of the bicycle rim, and can effectively avoid the deformation problem of the bicycle rim caused by local pressure. The top and bottom inner walls of the mounting frame 2 are penetrated by second through holes, and the output rod of the first hydraulic cylinder 4 slides through the corresponding second through holes. By setting the second through holes, it is convenient to limit the output rod of the first hydraulic cylinder 4. A plurality of rubber rings are fixedly sleeved on the rotating shaft 7. It contacts the inner wall of the axle sleeve of the rim 3, and a rubber ring is provided to facilitate the rotating shaft 7 to drive the rim 3 to rotate. A third through hole is penetrated on the inner wall of one side of the chamber 8, and the output shaft of the motor 10 rotates and penetrates the third through hole. By providing the third through hole, it is convenient to limit the output shaft of the motor 10. The rotating shaft 7 rotates and penetrates the corresponding annular limiting plate 13. Limiting grooves are provided on the top and bottom inner walls of the installation frame 2, and limiting blocks are slidably installed in the limiting grooves. The limiting blocks are fixed on the slide plate 12. By providing the limiting grooves and limiting blocks, it is convenient to limit the slide plate 12. A plurality of fourth through holes are penetrated on the inner wall of one side of the installation frame 2, and the guide rod 15 slides and penetrates the corresponding fourth through hole. By providing the fourth through hole,This facilitates the lateral movement of the guide rod 15.

[0033] The working principle of the utility model is as follows: when in use, the wheel rim 3 is first placed in the installation frame 2, and then the shaft sleeve of the wheel rim 3 is slidably sleeved on the rotating shaft 7, and then the two first hydraulic cylinders 4 are turned on, and the output rod of the first hydraulic cylinder 4 is extended, so that the arc-shaped pressure block 5 is driven to move to enter the groove of the wheel rim 3 and approximately contact the wheel rim 3, and then the motor 10 is turned on, and the output shaft of the motor 10 drives the second gear 11 to rotate, and the second gear 11 drives the first gear 9 to rotate, and the first gear 9 drives the rotating shaft 7 to rotate, so that the wheel rim 3 is driven to rotate. If the wheel rim 3 is stuck by the arc-shaped pressure block 5 during the rotation process, the roundness of the wheel rim 3 is not enough, and then the output rod of the first hydraulic cylinder 4 continues to extend, and the two arc-shaped pressure blocks 5 press and correct the wheel rim 3, and then the wheel rim 3 is corrected and adjusted according to the above method until the roundness of the wheel rim 3 is appropriate, through Such arrangement makes it easy to automatically rotate and adjust bicycle rims of different sizes, avoids the problem of manually assisting in rotating bicycle rims, and can effectively reduce the risk of bicycle rim correction work. The rim 3 is rotated to observe its lateral deformation problem. If lateral deformation problem occurs, the two second hydraulic cylinders 17 are turned on, so that the vertical plate 16 is driven to move laterally, and at the same time, the vertical plate 16 drives multiple guide rods 15 to move laterally, so that the slide plate 12 is driven to slide and move laterally in the installation frame 2, so that the two annular clamping plates 14 and the annular limit plate 13 are driven to move closer to each other until the rim 3 is clamped by the two annular clamping plates 14, so that the lateral deformation of the rim 3 is corrected. Through such arrangement, it is easy to effectively correct the lateral deformation problem of the bicycle rim, and can effectively avoid the deformation problem of the bicycle rim caused by local pressure.

[0034] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0035] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A bicycle wheel rim correction device, comprising a support (1), a mounting frame (2) fixedly mounted on the top of the support (1), a wheel rim (3) being arranged inside the mounting frame (2), characterized in that: The top and bottom of the installation frame (2) are both provided with a first hydraulic cylinder (4), the output rod of the first hydraulic cylinder (4) extends into the installation frame (2) and is provided with an arc-shaped pressure block (5), the arc-shaped pressure block (5) contacts the wheel rim (3), a first through hole (6) is penetrated on the inner wall of one side of the installation frame (2), a rotating shaft (7) is rotatably penetrated in the first through hole (6), one end of the rotating shaft (7) is slidably installed in the shaft sleeve of the wheel rim (3), a chamber (8) connected to the first through hole (6) is opened on the installation frame (2), the rotating shaft (7) rotatably penetrates the chamber (8) and is fixedly sleeved with a first gear (9), a motor (10) is provided on one side of the installation frame (2), the output shaft of the motor (10) extends into the chamber (8) and is provided with a second gear (11), the second gear (11) is meshed with the first gear (9).

2. A bicycle wheel rim correction device according to claim 1, characterized in that: The mounting frame (2) further comprises a slide plate (12), the slide plate (12) being slidably mounted in the mounting frame (2), an annular limiting plate (13) and an annular clamping plate (14) being fixedly mounted on one side of the slide plate (12) and on the inner wall of one side of the mounting frame (2), the annular limiting plate being in contact with one end of the shaft sleeve of the wheel rim (3), the wheel rim (3) being in contact with both the two annular clamping plates (14), a plurality of guide rods (15) being fixedly mounted on the side of the slide plate (12) away from the wheel rim (3), one end of the guide rod (15) extending outside the mounting frame (2), a vertical plate (16) being provided on one side of the mounting frame (2), the guide rod (15) being fixed on the vertical plate (16), a second hydraulic cylinder (17) being fixedly mounted on the top and bottom of the mounting frame (2), the output rod of the second hydraulic cylinder (17) being fixed on the vertical plate (16).

3. A bicycle wheel rim correction device according to claim 1, characterized in that: Second through holes are penetrated on the top and bottom inner walls of the installation frame (2), and the output rod of the first hydraulic cylinder (4) slides through the corresponding second through holes.

4. A bicycle wheel rim correction device according to claim 1, characterized in that: The fixed sleeve on the rotating shaft (7) is provided with a plurality of rubber rings, and the rubber rings are in contact with the inner wall of the shaft sleeve of the wheel rim (3).

5. A bicycle wheel rim correction device according to claim 1, characterized in that: A third through hole is formed on one inner wall of the chamber (8), and the output shaft of the motor (10) rotates and passes through the third through hole.

6. A bicycle wheel rim correction device according to claim 2, characterized in that: The rotating shaft (7) rotates and passes through the corresponding annular limiting plate (13), and limiting grooves are provided on the top and bottom inner walls of the installation frame (2). Limiting blocks are slidably installed in the limiting grooves, and the limiting blocks are fixed on the slide plate (12).

7. A bicycle wheel rim correction device according to claim 2, characterized in that: A plurality of fourth through holes are penetrated on an inner wall of one side of the installation frame (2), and the guide rod (15) slides through the corresponding fourth through holes.

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