Directional punching device for bicycle chain wheel crank

By introducing a cooling drilling mechanism and a collection mechanism into the bicycle sprocket crank drilling device, the problem of damage to the drill bit due to lack of cooling is solved, the cooling of the drill bit and the efficient collection of waste residue are achieved, and the drilling efficiency and the convenience of the equipment are improved.

CN223418938UActive Publication Date: 2025-10-10TIANJIN SHUANGXINLONG BICYCLE PARTS CO LTD
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Patent Information

Application Number
CN202421618251.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-10-10
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

The existing bicycle sprocket crank drilling device does not cool the drill bit during the drilling process, resulting in damage to the drill bit and affecting work efficiency.

Method used

A directional drilling device including a cooling drilling mechanism is designed. Coolant is sprayed to the drill bit through a suction pipe, a liquid pump and a liquid spray pipe system to cool the drill bit, and the waste residue generated by drilling is collected through a collection mechanism.

Benefits of technology

Effectively cool the drill bit, extend its service life, improve drilling efficiency, and achieve efficient collection of waste slag.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223418938U_ABST
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Abstract

The utility model relates to the technical field of directional punching, and discloses a directional punching device for a bicycle chain wheel crank, which comprises a box body, a punching mechanism, a punching mechanism and a positioning mechanism, the supporting rod is arranged at the top of the box body; the top plate is arranged at the top of the supporting rod; the cooling and punching mechanism is arranged at the top of the box body; the collecting mechanism is arranged in the box body; the fixing mechanism is arranged at the top of the box body, the bottom of the supporting rod is fixedly connected with the top of the box body, and the top of the supporting rod is fixedly connected with the bottom of the top plate. The telescopic rod drives the drill bit to move to punch the bicycle chain wheel crank, at the moment, the infusion pump is started, the infusion pump sucks cooling liquid in the storage box through the liquid suction pipe, then the cooling liquid is sprayed out of the drill bit through the liquid spraying pipe, and therefore the effect of cooling and drilling the bicycle chain wheel crank is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of directional punching, in particular to a directional punching device for a bicycle sprocket crank. Background Art

[0002] The bicycle sprocket crank, also known as the tooth plate, is one of the important parts of the bicycle. It is mainly responsible for converting the force of the pedals into the power to drive the bicycle forward.

[0003] The current Chinese patent publication number is: CN219851644U, a bicycle sprocket crank directional punching device, including an equipment box, two groups of horizontal first positioning slide bars are fixedly connected to the inside of the equipment box, the surfaces of the first positioning slide bars are slidably connected to the first limit sliders, and the top of the first limit slider is fixedly connected to the first connecting block, the first limit slider slides left and right, and the second limit slider slides back and forth, so as to realize multi-angle adjustment of the sprocket crank, improve the convenience of the equipment, facilitate manual operation, and further improve production efficiency. The upper and lower heights of the second fixing plate are adjustable to facilitate the fixation of sprocket cranks of different thicknesses.

[0004] However, the device still has some shortcomings. For example, when drilling a hole in a bicycle sprocket crank, the device does not cool the drill bit, which may cause damage to the drill bit and affect work efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a directional punching device for a bicycle sprocket crank, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a directional punching device for a bicycle sprocket crank, comprising: a box body, a movable groove is opened on one side of the box body; a support rod is arranged on the top of the box body; a top plate is arranged on the top of the support rod; a cooling and punching mechanism is arranged on the top of the box body; a collecting mechanism is arranged inside the box body; and a fixing mechanism is arranged on the top of the box body.

[0007] Preferably, the bottom of the support rod is fixedly connected to the top of the box body, and the top of the support rod is fixedly connected to the bottom of the top plate.

[0008] Preferably, the cooling and punching mechanism includes: a material storage box, which is arranged inside the box; a liquid suction tube, which is arranged on one side of the box; a liquid suction pump, which is arranged on the top of the box; a liquid spray pipe, which is arranged on the top of the liquid suction pump; a telescopic rod, which is arranged on the top of the top plate; a driver, which is arranged at one end of the telescopic rod; and a drill bit, which is arranged at the bottom of the driver.

[0009] Preferably, one end of the suction tube passes through the outer wall of the box and extends to the interior, passes through the outer wall of the storage box and extends to the interior, and the other end of the suction tube is fixedly connected to one side of the liquid pump, the bottom of the liquid pump is fixedly connected to the top of the box, and the top of the liquid pump is fixedly connected to one end of the spray pipe, the telescopic end of the telescopic rod passes through the top of the top plate and extends to the bottom and is fixedly connected to the top of the driver, and the bottom of the driver is fixedly connected to the drill bit. Through this cooling and drilling mechanism, the effect of cooling and drilling holes in the bicycle sprocket crank can be well achieved.

[0010] Preferably, the collection mechanism includes: a collection box, which is arranged inside the box; a pulling handle, which is arranged on one side of the collection box; a filter plate, which is arranged inside the box; a threaded rod, which is arranged on one side of the box; a scraper, which is sleeved on the outer wall of the threaded rod; and a rotating handle, which is arranged at one end of the threaded rod.

[0011] Preferably, the collecting box is adapted to the movable groove opened on one side of the box body, the collecting box is fixedly connected to the pulling handle, the filter plate is fixedly connected to the inner wall of the box body, one end of the threaded rod passes through the outer wall of the box body and extends to the inside and is rotatably connected to the inner wall of the box body, and the other end of the threaded rod is fixedly connected to the rotating handle, and the threaded rod is threadedly connected to the scraper. Through this collection mechanism, the effect of collecting waste residue generated by punching can be well achieved.

[0012] Preferably, the fixing mechanism includes: a second threaded rod, which is arranged between two support rods; a second rotating handle, which is arranged at one end of the second threaded rod; a sliding rod, which is arranged between the other two support rods; a placement plate, which is sleeved on the outside of the second threaded rod, and a waste slag drop-off opening is opened on the top of the placement plate; a third threaded rod, which is arranged on the top of the placement plate; a fixing plate, which is sleeved on the outside of the third threaded rod; and a nut, which is arranged on the top of the fixing plate.

[0013] Preferably, one end of the threaded rod 2 is rotatably connected to one side of the support rod, and the other end of the threaded rod 2 passes through one side of the other support rod and extends to the outside and is fixedly connected to the rotating handle 2, the placement plate is threadedly connected to the rotating handle 2, the placement plate is slidably connected to the sliding rod, the single step of the threaded rod 3 is fixedly connected to the top of the placement plate, and the threaded rod 3 is threadedly connected to the nut. Through this fixing mechanism, the bicycle sprocket crank can be fixed well.

[0014] The utility model provides a directional punching device for a bicycle sprocket crank, which has the following beneficial effects:

[0015] (1) The utility model starts the driver after the bicycle sprocket crank is fixed, and the driver drives the drill bit to rotate. Then, the telescopic rod is started, and the telescopic rod drives the drill bit to move to drill the bicycle sprocket crank. At this time, the liquid pump is started, and the liquid pump sucks the coolant in the storage box through the liquid suction pipe, and then sprays it to the drill bit through the liquid spray pipe, thereby achieving the effect of cooling the bicycle sprocket crank and drilling.

[0016] (2) The utility model rotates a rotating handle, which drives a threaded rod to rotate, and the threaded rod rotates to drive a scraper to move. The scraper moves to scrape the waste residue on the top of the filter plate into the collection box, thereby achieving the effect of collecting the waste residue generated by punching. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 This is a cross-sectional view of the utility model;

[0019] Figure 3 For this utility model Figure 2 Middle A: Enlarged view;

[0020] Figure 4 For this utility model Figure 2 Magnified view of B.

[0021] In the figure: 1 box body, 2 support rod, 3 top plate, 4 cooling punching mechanism, 411 storage box, 412 suction tube, 413 suction pump, 414 spray tube, 415 telescopic rod, 416 driver, 417 drill bit, 5 collecting mechanism, 511 collecting box, 512 pulling handle, 513 filter plate, 514 threaded rod 1, 515 scraper, 516 rotating handle 1, 6 fixing mechanism, 611 threaded rod 2, 612 rotating handle 2, 613 sliding rod, 614 placement plate, 615 threaded rod 3, 616 fixing plate, 617 nut. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention. Example 1

[0024] The preferred embodiment of the directional punching device for a bicycle sprocket crank provided by the utility model is as follows: Figure 1-4 The figure shows a directional punching device for a bicycle sprocket crank, comprising: a box body 1, a movable groove being opened on one side of the box body 1; a support rod 2 arranged on the top of the box body 1; a top plate 3 arranged on the top of the support rod 2; a cooling and punching mechanism 4 arranged on the top of the box body 1; a collecting mechanism 5 arranged inside the box body 1; and a fixing mechanism 6 arranged on the top of the box body 1.

[0025] The bottom of the support rod 2 is fixedly connected to the top of the box body 1 , and the top of the support rod 2 is fixedly connected to the bottom of the top plate 3 .

[0026] The cooling and punching mechanism 4 includes: a material storage box 411, which is arranged inside the box body 1; a liquid suction tube 412, which is arranged on one side of the box body 1; a liquid suction pump 413, which is arranged on the top of the box body 1; a liquid spraying pipe 414, which is arranged on the top of the liquid suction pump 413; a telescopic rod 415, which is arranged on the top of the top plate 3; a driver 416, which is arranged at one end of the telescopic rod 415; and a drill bit 417, which is arranged at the bottom of the driver 416.

[0027] One end of the liquid suction pipe 412 passes through the outer wall of the box body 1 and extends to the inside, passes through the outer wall of the storage box 411 and extends to the inside, and the other end of the liquid suction pipe 412 is fixedly connected to one side of the liquid suction pump 413, the bottom of the liquid suction pump 413 is fixedly connected to the top of the box body 1, and the top of the liquid suction pump 413 is fixedly connected to one end of the liquid spray pipe 414, the telescopic end of the telescopic rod 415 passes through the top of the top plate 3 and extends to the bottom and is fixedly connected to the top of the driver 416, and the bottom of the driver 416 is fixedly connected to the drill bit. 417 is fixedly connected. When the bicycle sprocket crank is fixed, the driver 416 is started, and the driver 416 drives the drill bit 417 to rotate. Then, by starting the telescopic rod 415, the telescopic rod 415 drives the drill bit 417 to move to drill the bicycle sprocket crank. At this time, the liquid pump 413 is started, and the liquid pump 413 sucks the coolant in the storage box 411 through the suction pipe 412, and then sprays it to the drill bit 417 through the spray pipe 414, thereby achieving the effect of cooling and drilling the bicycle sprocket crank. Example 2

[0028] On the basis of Example 1, a preferred embodiment of a directional punching device for a bicycle sprocket crank provided by the present invention is as follows: Figure 1-4As shown in the figure, the collecting mechanism 5 includes: a collecting box 511, which is arranged inside the box body 1; a pulling handle 512, which is arranged on one side of the collecting box 511; a filter plate 513, which is arranged inside the box body 1; a threaded rod 514, which is arranged on one side of the box body 1; a scraper 515, which is sleeved on the outer wall of the threaded rod 514; and a rotating handle 516, which is arranged at one end of the threaded rod 514.

[0029] The collecting box 511 is adapted to the movable groove opened on one side of the box body 1, the collecting box 511 is fixedly connected to the pulling handle 512, the filter plate 513 is fixedly connected to the inner wall of the box body 1, one end of the threaded rod 514 passes through the outer wall of the box body 1 and extends to the inside and is rotatably connected to the inner wall of the box body 1, and the other end of the threaded rod 514 is fixedly connected to the rotating handle 1 516, the threaded rod 514 is threadedly connected to the scraper 515, by rotating the rotating handle 1 516, the rotating handle 1 516 rotates and drives the threaded rod 1 514 to rotate, and the rotation of the threaded rod 1 514 drives the scraper 515 to move, and the scraper 515 moves to scrape the waste residue on the top of the filter plate 513 into the collecting box 511, thereby achieving the effect of collecting the waste residue generated by punching. Example 3

[0030] On the basis of Examples 1 and 2, a preferred embodiment of a directional punching device for a bicycle sprocket crank provided by the present invention is as follows: Figure 1-4 As shown: the fixing mechanism 6 includes: a second threaded rod 611, which is arranged between the two support rods 2; a second rotating handle 612, which is arranged at one end of the second threaded rod 611; a sliding rod 613, which is arranged between the other two support rods 2; a placement plate 614, which is sleeved on the outside of the second threaded rod 611, and a waste residue drop-out opening is opened on the top of the placement plate 614; a third threaded rod 615, which is arranged on the top of the placement plate 614; a fixing plate 616, which is sleeved on the outside of the third threaded rod 615; and a nut 617, which is arranged on the top of the fixing plate 616.

[0031] One end of the threaded rod 2 611 is rotatably connected to one side of the support rod 2, and the other end of the threaded rod 2 611 passes through one side of the other support rod 2 and extends to the outside and is fixedly connected to the rotating handle 2 612. The placement plate 614 is threadedly connected to the rotating handle 2 612, and the placement plate 614 is slidingly connected to the sliding rod 613. The single step of the threaded rod 3 615 is fixedly connected to the top of the placement plate 614, and the threaded rod 3 615 is threadedly connected to the nut 617. By placing the bicycle sprocket crank between the two threaded rods 3 615 on the placement plate 614, and rotating the nut 617, the nut 617 rotates and descends to drive the fixed plate 616 to move, thereby achieving the effect of the fixed plate 616 fixing the bicycle sprocket crank.

[0032] When in use, the bicycle sprocket crank is placed between the two threaded rods 615 on the placement plate 614, and the nut 617 is rotated. The nut 617 rotates and descends to drive the fixing plate 616 to move, so that the fixing plate 616 fixes the bicycle sprocket crank. When the bicycle sprocket crank is fixed, the driver 416 is started. The driver 416 drives the drill bit 417 to rotate. The telescopic rod 415 is started. The telescopic rod 415 drives the drill bit 417 to move to punch the bicycle sprocket crank. At this time, the liquid pump is started. 413, the liquid pump 413 sucks the coolant in the storage box 411 through the liquid suction pipe 412, and then sprays it to the drill bit 417 through the liquid spray pipe 414, so as to achieve the purpose of cooling the drilling. After the bicycle sprocket crank has drilled a hole, the handle 1 516 is rotated, and the handle 1 516 rotates to drive the threaded rod 1 514 to rotate, and the threaded rod 1 514 rotates to drive the scraper 515 to move. The scraper 515 moves to scrape the waste residue on the top of the filter plate 513 into the collection box 511, so as to collect the waste residue.

[0033] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A directional punching device for a bicycle sprocket crank, characterized in that: include: A box body (1), wherein a movable groove is provided on one side of the box body (1); A support rod (2) is provided on the top of the box (1); A top plate (3) is provided on the top of the support rod (2); A cooling and punching mechanism (4) is arranged on the top of the box (1); A collecting mechanism (5) is arranged inside the box (1); The fixing mechanism (6) is arranged on the top of the box body (1).

2. A directional punching device for a bicycle sprocket crank according to claim 1, characterized in that: The bottom of the support rod (2) is fixedly connected to the top of the box body (1), and the top of the support rod (2) is fixedly connected to the bottom of the top plate (3).

3. The directional punching device for a bicycle sprocket crank according to claim 1, characterized in that: The cooling and punching mechanism (4) comprises: A material storage box (411) is arranged inside the box body (1); A liquid suction tube (412) is provided on one side of the box body (1); A liquid pump (413) is provided on the top of the box (1); A liquid spraying pipe (414) is provided on the top of the liquid extraction pump (413); A telescopic rod (415) is provided on the top of the top plate (3); A driver (416) is provided at one end of the telescopic rod (415); The drill bit (417) is arranged at the bottom of the driver (416).

4. A directional punching device for a bicycle sprocket crank according to claim 3, characterized in that: One end of the liquid suction pipe (412) passes through the outer wall of the box (1) and extends to the inside, passes through the outer wall of the storage box (411) and extends to the inside, and the other end of the liquid suction pipe (412) is fixedly connected to one side of the liquid suction pump (413), the bottom of the liquid suction pump (413) is fixedly connected to the top of the box (1), and the top of the liquid suction pump (413) is fixedly connected to one end of the liquid spray pipe (414), the telescopic end of the telescopic rod (415) passes through the top of the top plate (3) and extends to the bottom and is fixedly connected to the top of the driver (416), and the bottom of the driver (416) is fixedly connected to the drill bit (417).

5. The directional punching device for a bicycle sprocket crank according to claim 1, characterized in that: The collecting mechanism (5) comprises: A collection box (511) is arranged inside the box body (1); A pull handle (512) is provided on one side of the collection box (511); A filter plate (513) is arranged inside the box (1); A threaded rod (514) is provided on one side of the box body (1); A scraper (515) is sleeved on the outer wall of the threaded rod (514); A rotating handle (516) is provided at one end of the threaded rod (514).

6. A directional punching device for a bicycle sprocket crank according to claim 5, characterized in that: The collecting box (511) is adapted to a movable groove provided on one side of the box body (1), the collecting box (511) is fixedly connected to the pulling handle (512), the filter plate (513) is fixedly connected to the inner wall of the box body (1), one end of the threaded rod (514) passes through the outer wall of the box body (1) and extends to the inside to be rotatably connected to the inner wall of the box body (1), and the other end of the threaded rod (514) is fixedly connected to the rotating handle (516), and the threaded rod (514) is threadedly connected to the scraper (515).

7. The directional punching device for a bicycle sprocket crank according to claim 1, characterized in that: The fixing mechanism (6) comprises: A second threaded rod (611) is arranged between the two support rods (2); A second rotating handle (612) is provided at one end of the second threaded rod (611); A sliding rod (613) is arranged between the other two support rods (2); A placement plate (614) is sleeved on the outside of the second threaded rod (611), and a waste residue drop opening is provided on the top of the placement plate (614); A threaded rod (3) (615) is provided on top of the placement plate (614); A fixed plate (616) is sleeved on the outside of the threaded rod (615); A nut (617) is provided on the top of the fixing plate (616).

8. The directional punching device for a bicycle sprocket crank according to claim 7, characterized in that: One end of the second threaded rod (611) is rotatably connected to one side of the support rod (2), and the other end of the second threaded rod (611) passes through one side of the other support rod (2) and extends to the outside to be fixedly connected to the second rotating handle (612). The placement plate (614) is threadedly connected to the second rotating handle (612). The placement plate (614) is slidably connected to the sliding rod (613). The sole of the third threaded rod (615) is fixedly connected to the top of the placement plate (614). The third threaded rod (615) is threadedly connected to the nut (617).

Citation Information

Patent Citations

  • Directional punching equipment for bicycle chain wheel crank

    CN219851644U