A quick clamping device for detecting air tightness of a bicycle hub

Abstract

The utility model relates to bicycle hub clamping technical field, concretely is a kind of bicycle hub air tightness detection quick clamping equipment, including outer detection disc, the inside center of outer detection disc is provided with inner detection disc, detection ring groove is opened between outer detection disc and inner detection disc, the upper and lower ends of detection ring groove are provided with limiting rubber ring, the inside of inner detection disc is provided with gas control pump machine, the bottom end of gas control pump machine is fixedly connected with aeration base plate.The utility model is provided with outer detection disc, inner detection disc, detection ring groove, limiting rubber ring, gas control pump machine, aeration base plate, outer fastening ring pad, inner fastening ring pad, first ring air bag and second ring air bag, can make equipment to carry out more efficient comprehensive bicycle hub air tightness detection quick clamping operation, in actual use process, staff first put the bicycle hub needing to carry out air tightness detection into the detection ring groove of outer detection disc and inner detection disc piece.

Description

Technical Field

[0001] This utility model relates to the field of bicycle wheel hub clamping technology, specifically a rapid clamping device for testing the airtightness of bicycle wheel hubs. Background Technology

[0002] Wheel rims, also known as wheel hubs, have different surface treatment processes depending on the characteristics and needs of different car models. They can be roughly divided into two types: baking paint and electroplating. For ordinary car models, the appearance of the wheel rims is not a major consideration. Good heat dissipation is a basic requirement. The process is basically to use baking paint, which means first spraying and then baking. This is relatively economical and produces bright colors that last a long time. Even if the vehicle is scrapped, the color of the wheel rims will not change.

[0003] For example, patent document CN 212217127 U discloses a pneumatic clamping plate for bicycle wheel hubs, including: a main shaft, an air passage at the axial center of one end of the main shaft, and a rotary joint at one end of the main shaft; a mounting seat sleeved on the main shaft; a clamping plate sleeved on the main shaft; a rotary cylinder on the clamping plate; and a push rod chuck at the output end of the rotary cylinder. The beneficial effects of this utility model are: an air passage at the axial center of one end of the main shaft; one end of the rotary joint inserted into the air passage and connected to an air pump; the clamping plate sleeved on the axial center of the main shaft and fixedly connected to the main shaft; several rotary cylinders arranged around the center of the clamping plate; and air inlets on the rotary cylinders connected to air passages inside the clamping plate that are connected to the air passages. By pneumatically driving the rotary cylinders to move the push rod chuck, the bicycle wheel hub is clamped firmly on the clamping plate, resulting in a consistent clamping force on the wheel hub and enabling rapid clamping. This helps improve product quality and processing efficiency, and facilitates production.

[0004] However, in practice, due to its structural limitations, this structure can only perform simple top-mounting fixation of bicycle wheel hubs, and cannot perform more comprehensive and rapid clamping operations. This results in the inability to guarantee overall stability during subsequent air tightness testing. At the same time, the equipment cannot perform more efficient inflation-assisted air tightness testing operations, and cannot meet the needs of daily use. Therefore, it is urgent to design a rapid clamping device for testing the air tightness of bicycle wheel hubs to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a rapid clamping device for testing the air tightness of bicycle wheel hubs, in order to solve the problem mentioned in the background art that, due to the limitations of its own structure, the existing structure can only perform simple top-fitting fixation of the bicycle wheel hub in actual operation, and cannot perform more comprehensive rapid clamping operations. As a result, the overall stability cannot be guaranteed during subsequent air tightness testing. At the same time, the device cannot perform more efficient inflation-assisted air tightness testing operations, and cannot meet the needs of daily use.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a quick clamping device for testing the air tightness of bicycle wheel hubs, including an outer testing plate, an inner testing plate disposed at the center of the inner testing plate, a testing ring groove being formed between the outer testing plate and the inner testing plate, and limit rubber rings being provided at the upper and lower ends of the testing ring groove;

[0007] An air control pump is installed inside the inner detection plate, and a ventilation base is fixedly connected to the bottom of the air control pump.

[0008] Preferably, a first support pad is fixedly connected to the bottom end of the ventilated base, and a ventilated valve seat is provided at one end of the ventilated base.

[0009] Preferably, a control knob is provided on one side of the front of the outer detection plate, and an installation groove is provided on the inner wall of the inner detection plate.

[0010] Preferably, the inner wall of the outer detection disc is provided with an outer fastening ring gasket, and the inner wall of the inner detection disc is provided with an inner fastening ring gasket.

[0011] Preferably, the outer surface of the outer fastening ring pad is fitted with a first ring airbag, and the inner wall of the inner fastening ring pad is provided with a second ring airbag.

[0012] Preferably, the bottom two ends of the outer detection disk are fixedly connected to a support base, and the bottom end of the support base is fixedly connected to a second support pad.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This rapid clamping device for testing the air tightness of bicycle wheel hubs utilizes an outer testing disc, an inner testing disc, a testing ring groove, a limiting rubber ring, an air pump, a ventilation base, an outer fixing ring pad, an inner fixing ring pad, a first ring airbag, and a second ring airbag. This allows for a more efficient and comprehensive rapid clamping operation for testing the air tightness of bicycle wheel hubs. In actual use, the operator first places the bicycle wheel hub to be tested into the testing ring groove of the outer and inner testing discs. Then, the air pump inside the inner testing disc is activated, working in conjunction with the ventilation base at the bottom of the outer testing disc to simultaneously inflate the first and second ring airbags inside both discs. This causes the outer and inner fixing ring pads to simultaneously press towards the center from the inner and outer walls of the testing ring groove, quickly and synchronously clamping the inner and outer walls of the bicycle wheel hub. This significantly improves the stability of the equipment during the air tightness test of the bicycle wheel hub, demonstrating the practicality of the equipment design.

[0015] This rapid clamping device for testing the air tightness of bicycle wheel hubs, through its external testing disc, venting base, first support pad, venting valve seat, control knob, mounting slot, and second support pad, further enhances the overall usability of the equipment. In daily use, operators can connect the device to the first support pad at one end of the venting base. Then, by turning the control knob on the side of the external testing disc, air control can be achieved at the venting valve seat at one end of the venting base. The device then performs the air tightness test on the bicycle wheel hub. Simultaneously, the air pump can be moved and installed within the mounting slot of the internal testing disc, ensuring quick maintenance and demonstrating the comprehensive design of the equipment. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of the external detection disk of this utility model;

[0018] Figure 3 This is a schematic diagram showing the outer and inner fastening rings of this utility model.

[0019] Figure 4 This utility model Figure 1 An enlarged schematic diagram of the structure at point A in the middle.

[0020] In the diagram: 1. Outer detection plate; 2. Inner detection plate; 3. Detection ring groove; 4. Limiting rubber ring; 5. Air pump; 6. Ventilation base; 7. First support base pad; 8. Ventilation valve seat; 9. Control knob; 10. Mounting groove; 11. Outer fastening ring pad; 12. Inner fastening ring pad; 13. First ring airbag; 14. Second ring airbag; 15. Support base; 16. Second support base pad. Detailed Implementation

[0021] 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.

[0022] Please see Figure 1-4 One embodiment provided by this utility model:

[0023] A rapid clamping device for testing the air tightness of bicycle wheel hubs includes an outer testing disc 1, an inner testing disc 2 disposed at the center of the outer testing disc 1, a testing ring groove 3 formed between the outer testing disc 1 and the inner testing disc 2, limit rubber rings 4 disposed at the upper and lower ends of the testing ring groove 3, an outer fixing ring pad 11 disposed on the inner wall of the outer testing disc 1, an inner fixing ring pad 12 disposed on the inner wall of the inner testing disc 2, a first ring airbag 13 sleeved on the outer surface of the outer fixing ring pad 11, and a second ring airbag disposed on the inner wall of the inner fixing ring pad 12. 14. Support bases 15 are fixedly connected to both ends of the bottom of the outer detection plate 1. A second support pad 16 is fixedly connected to the bottom end of the support base 15. The air pump 5 inside the inner detection plate 2 is started, so that it works with the air vent base 6 at the bottom of the outer detection plate 1 to perform synchronous inflation of the first ring airbag 13 and the second ring airbag 14 inside the outer detection plate 1 and the inner detection plate 2. This causes the outer fixing ring pad 11 and the inner fixing ring pad 12 to be squeezed towards the center from the inner and outer walls of the detection ring groove 3, respectively.

[0024] An air pump 5 is installed inside the inner detection plate 2. The bottom of the air pump 5 is fixedly connected to a ventilation base 6, and the bottom of the ventilation base 6 is fixedly connected to a first support pad 7. One end of the ventilation base 6 is provided with a ventilation valve seat 8. A control knob 9 is provided on the front side of one side of the outer detection plate 1. The inner wall of the inner detection plate 2 is provided with a mounting groove 10. The bicycle wheel hub air tightness testing equipment is connected to the first support pad 7 at one end of the ventilation base 6. Then, by turning the control knob 9 on the side of the outer detection plate 1, the air control operation at the ventilation valve seat 8 at one end of the ventilation base 6 can be realized. The bicycle wheel hub air tightness testing operation is realized through the testing equipment.

[0025] Working principle: During use, the user first places the bicycle wheel hub to be tested for air tightness into the testing ring groove 3 of the outer testing disc 1 and the inner testing disc 2. Then, the air pump 5 inside the inner testing disc 2 is activated, which, in conjunction with the air vent base 6 at the bottom of the outer testing disc 1, synchronously inflates the first ring airbag 13 and the second ring airbag 14 inside the outer testing disc 1 and the inner testing disc 2. This causes the outer fixing ring pad 11 and the inner fixing ring pad 12 to simultaneously press towards the center from the inner and outer walls of the testing ring groove 3, thereby quickly and synchronously clamping the inner and outer walls of the bicycle wheel hub, greatly improving the air tightness. The high-precision equipment ensures stability during the airtightness testing of bicycle wheel hubs. In daily use, the equipment can be connected to the first support pad 7 at one end of the ventilation base 6. By turning the control knob 9 on the side of the outer testing disc 1, the air control operation at the ventilation valve seat 8 at one end of the ventilation base 6 can be achieved. The airtightness testing of the bicycle wheel hub is then performed through the testing equipment. At the same time, the air pump 5 can be installed in the internal mounting slot 10 of the inner testing disc 2, allowing for quick maintenance of the equipment. The above is the complete working principle of this utility model.

[0026] It will be apparent to those skilled in the art that this invention 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 essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A rapid clamping device for testing the air tightness of bicycle wheel hubs, comprising an outer testing disc (1), characterized in that: An inner detection disk (2) is provided at the center of the outer detection disk (1). A detection ring groove (3) is provided between the outer detection disk (1) and the inner detection disk (2). Limiting rubber rings (4) are provided at the upper and lower ends of the detection ring groove (3). Air control pump (5), the inner detection plate (2) is equipped with an air control pump (5), and the bottom end of the air control pump (5) is fixedly connected to a ventilation base (6).

2. The rapid clamping device for testing the air tightness of bicycle wheel hubs according to claim 1, characterized in that: The bottom end of the ventilation base (6) is fixedly connected to a first support pad (7), and a ventilation valve seat (8) is provided at one end of the ventilation base (6).

3. The rapid clamping device for testing the air tightness of bicycle wheel hubs according to claim 2, characterized in that: A control knob (9) is provided on one side of the outer detection plate (1), and an installation groove (10) is provided on the inner wall of the inner detection plate (2).

4. The rapid clamping device for testing the air tightness of bicycle wheel hubs according to claim 1, characterized in that: The inner wall of the outer detection plate (1) is provided with an outer fastening ring gasket (11), and the inner wall of the inner detection plate (2) is provided with an inner fastening ring gasket (12).

5. The rapid clamping device for testing the air tightness of bicycle wheel hubs according to claim 4, characterized in that: The outer surface of the outer fastening ring pad (11) is fitted with a first ring airbag (13), and the inner wall of the inner fastening ring pad (12) is provided with a second ring airbag (14).

6. The rapid clamping device for testing the air tightness of bicycle wheel hubs according to claim 1, characterized in that: The bottom ends of the outer detection plate (1) are fixedly connected to a support base (15), and the bottom end of the support base (15) is fixedly connected to a second support pad (16).

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