Knife grinding device applied to speed skating
By designing a grinding device with a sliding clamping mechanism and an adjusting screw system, the problem of bending and curvature deformation during ice skate grinding was solved, achieving precise fixation of different ice skates and improving their performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-04-07
AI Technical Summary
Existing ice skate sharpening devices cannot adjust to the curvature and arc of different skates, causing deformation of the skate's curvature and arc during sharpening and affecting its performance.
A sharpening device was designed, comprising a first blade, a second blade, a connecting rod, and a clamping device. Through the sliding clamping device and the adjusting screw system, the blade can be precisely fixed according to its specific curvature and arc, thus avoiding deformation during the sharpening process.
It achieves precise fixation of different ice skates, avoids damage to the curvature and arc during the sharpening process, and improves the performance of the ice skates.
Smart Images

Figure CN224088573U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of ice skate maintenance technology, specifically to a sharpening device for speed skating. Background Technology
[0002] In speed skating, the skate blades are made of special steel. To generate power during high-speed movement, the blades have a certain curvature and arc. Since each athlete's physical condition is different, the curvature and arc of the blades are also different. After use, the blades need to be maintained frequently. However, the existing blade sharpening devices and blade clamping positions are fixed and cannot be adjusted well according to different blade curvatures. This can cause the blade curvature to deform during sharpening, affecting the performance. Utility Model Content
[0003] The purpose of this invention is to provide a sharpening device for speed skating, which solves the problem that ice skates are prone to changes in curvature and arc during sharpening and maintenance.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] A sharpening device for speed skating includes a first blade 1, a second blade 2, a connecting rod 3, at least one first clamping device 4, and a number of second clamping devices 5 matching the number of the first clamping devices 4. Both the first blade 1 and the second blade 2 are slidably connected to the connecting rod 3. The first clamping device 4 is disposed on the first blade 1, and the second clamping device 5 is disposed on the second blade 2. The first clamping device 4 and the second clamping device 5 are used to clamp and fix the ice skate. The second clamping device 5 includes a second adjusting screw 51, a second fixing clamp 52, a second spring 53, and a slider 54. The second adjusting screw 51 is rotatably connected to the slider 54. The second fixing clamp 52 is sleeved on the second adjusting screw 51 and rotatably connected to the slider 54. The second spring 53 is sleeved on the second adjusting screw 51, with one end abutting against the slider 54 and the other end abutting against the second fixing clamp 52. The slider 54 is slidably disposed on the second blade 2.
[0006] Preferably, the edge of the second fixing clip 52 is arc-shaped.
[0007] Preferably, it also includes a guide rail 55, a forward sliding adjusting nut 56, and a reverse sliding adjusting nut 57. The guide rail 55 passes through the slider 54, and the forward sliding adjusting nut 56 and the reverse sliding adjusting nut 57 are rotatably sleeved on the guide rail 55 for adjusting the left and right sliding of the slider 54.
[0008] Preferably, the first clamping device 4 includes a first adjusting screw 41, a first fixing clamp 42, and a first spring 43. The first adjusting screw 41 is rotatably connected to the first fan blade 1. The first fixing clamp 42 is sleeved on the first adjusting screw 41 and rotatably connected to the first fan blade 1. The first spring 43 is sleeved on the first adjusting screw 41, with one end abutting against the first fan blade 1 and the other end abutting against the first fixing clamp 42.
[0009] Preferably, the edge of the first fixing clip 42 is arc-shaped.
[0010] Preferably, it also includes a sharpening device 6, one end of which is connected to the first blade 1 and the other end of which is connected to the second blade 2, for automatically sharpening ice skates.
[0011] Preferably, the sharpening device 6 includes a motor 61, a lead screw 62, and an elastic pressing member 64. One end of the lead screw 62 is connected to the first blade 1, and the other end is connected to the second blade 2. The motor 61 is connected to the lead screw 62, and the elastic pressing member 64 is connected to the lead screw 62.
[0012] Preferably, it also includes a fixing foot 7, which is fixedly connected to the first fan blade 1 and the second fan blade 2.
[0013] Preferably, it also includes a first baffle 8 and a second baffle 9. The first baffle 8 is connected to the first fan blade 1, and the second baffle 9 is connected to the second fan blade 2. The first baffle 1 and the second baffle 2 are used to limit the sliding stroke of the whetstone 63 and prevent the whetstone 63 from exceeding the whetstone distance.
[0014] The beneficial effects of this utility model are:
[0015] This utility model relates to a sharpening device for speed skating. When clamping an ice skate that needs maintenance, both ends of the ice skate are placed on the first and second blades, respectively. First, one end of the ice skate is fixed by the first clamping device. Then, the sliding adjusting nut is rotated to make the slider slide along the guide rail and slowly abut against the ice skate placed on the second blade. Then, the second adjusting screw is rotated to make the second fixing clamp rotate around the slider and abut against the ice skate, thereby fixing the ice skate and preventing excessive bending damage to the ice skate during the sharpening and maintenance process, which would affect the performance. Attached Figure Description
[0016] Figure 1 This is a perspective view of the sharpening device of this utility model applied to speed skating;
[0017] Figure 2 This is a schematic diagram of the sharpening device of this utility model applied to speed skating;
[0018] Figure 3 This is a schematic diagram of the structure of the sharpening device of this utility model applied to speed gliding;
[0019] Figure 4 This is a cross-sectional view of the second clamping device of the present invention applied to the sharpening device for speed sliding. Detailed Implementation
[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0021] Specifically, such as Figure 1 - Figure 3As shown, a sharpening device for speed skating includes a first blade 1, a second blade 2, a connecting rod 3, at least one first clamping device 4, and a number of second clamping devices 5 matching the number of the first clamping devices 4. Both the first blade 1 and the second blade 2 are slidably connected to the connecting rod 3, allowing adjustment according to the length of the ice skate to accommodate different lengths. The first clamping device 4 is mounted on the first blade 1, and the second clamping device 5 is mounted on the second blade 2. The first clamping device 4 and the second clamping device 5 are used to clamp and fix the ice skate, thereby securing the skate and performing maintenance. More specifically, the second clamping device 5 includes a second adjusting screw 51 and a second fixing clamp. 52. A second spring 53 and a slider 54. The second adjusting screw 51 is rotatably connected to the slider 54. By turning the second adjusting screw 51, it can rotate around the slider 54. The second fixing clamp 52 is sleeved on the second adjusting screw 51 and rotatably connected to the slider 54, so that the second fixing clamp 52 can reciprocate around the slider 54 in the vertical direction. The second spring 53 is sleeved on the second adjusting screw 51, with one end abutting against the slider 54 and the other end abutting against the second fixing clamp 52, thereby making the rotation of the second adjusting screw 51 more stable. The slider 54 is slidably disposed on the second fan blade 2 and can slide left and right relative to the second fan blade 2. In use, after fixing one end of the ice skate that needs maintenance onto the first blade 1, place the other end of the ice skate onto the second blade 2, allowing it to rest naturally to avoid changes in the curvature and arc of the ice skate. Then, slide the slider 54 to make it contact the ice skate that needs maintenance. Next, rotate the second adjusting screw 51 to drive the second fixing clip 52 to rotate around the second blade 2, while simultaneously compressing the second spring 53. The second spring 53 facilitates the rotation of the second adjusting screw 51, allowing the second fixing clip 52 to contact the ice skate that needs maintenance. The second fixing clip 52 has an arc-shaped edge design, which reduces the contact area between the second fixing clip 52 and the ice skate. Thus, the other end of the ice skate is fixed using the second fixing clip 52 and the slider 54, preventing changes in the curvature and arc of the ice skate due to improper fixing during the maintenance process.
[0022] Based on the above embodiments, in Embodiment 2, more specifically, a guide rail 55, a forward sliding adjustment nut 56, and a reverse sliding adjustment nut 57 are also included. The guide rail 55 passes through the slider 54. The forward sliding adjustment nut 56 and the reverse sliding adjustment nut 57 are rotatably sleeved on the guide rail 55 for adjusting the left and right sliding of the slider 54. In use, the dual setting of the forward sliding adjustment nut 56 and the reverse sliding adjustment nut 57 makes the movement of the slider 54 more stable. Specifically, when it is necessary to move to the right, first loosen the forward sliding adjustment nut 56, and then tighten the reverse sliding adjustment nut 57 to make the slider 54 slide. When it is necessary to move to the left, first loosen the reverse sliding adjustment nut 57, and then tighten the forward sliding adjustment nut 56 to make the slider 54 slide until it naturally abuts against the ice skate. Then adjust the second fixing clip 52 so that the fixing clip 52 abuts against the ice skate, thereby preventing damage to the bending and curvature of the ice skate during the fixing process.
[0023] Based on the above embodiments, in Embodiment 3, more specifically, the first clamping device 4 includes a first adjusting screw 41, a first fixing clip 42, and a first spring 43. The first adjusting screw 41 is rotatably connected to the first blade 1. The first fixing clip 42 is sleeved on the first adjusting screw 41 and rotatably connected to the first blade 1. The first spring 43 is sleeved on the first adjusting screw 41, with one end abutting against the first blade 1 and the other end abutting against the first fixing clip 42. When the ice skate that needs maintenance is placed on the first blade 1, the first adjusting screw 41 is rotated, causing the first fixing clip 42 to rotate around the first blade 1, while compressing the first spring 43. The first spring 43 facilitates the rotation of the first adjusting screw 41. The edge of the first fixing clip 42 is arc-shaped, which can reduce the contact area between the first fixing clip 42 and the ice skate, and avoid changes in the curvature and arc of the ice skate during the fixing process.
[0024] Based on the above embodiments, in Embodiment 4, a further sharpening device 6 is included. The sharpening device 6 includes a motor 61, a lead screw 62, a whetstone 63, and an elastic pressing member 64. One end of the lead screw 62 is connected to the first fan blade 1, and the other end is connected to the second fan blade 2. The motor 61 is connected to the lead screw 62, and the elastic pressing member 64 is connected to the lead screw 62. The elastic pressing member 64 is used to connect to the whetstone 63. The motor 61 can drive the lead screw 62 to reciprocate, thereby driving the elastic pressing member 64 to reciprocate on the lead screw. The reciprocating motion on the screw 62 involves the elastic pressing member 64 connected to the sharpening stone 63. During use, the elastic pressing member 64 is operated to bring the sharpening stone 63 into contact with the ice skate requiring maintenance. The motor 61 is then turned on, causing the elastic pressing member 64 to slide reciprocally along the lead screw 62. The first baffle 8 is connected to the first fan blade 1, and the second baffle 9 is connected to the second fan blade 2. The first baffle 1 and the second baffle 2 limit the sliding of the sharpening stone 63, preventing it from exceeding the sharpening distance, thereby achieving automatic maintenance and sharpening of the ice skate.
[0025] Based on the above embodiments, in Embodiment 5, a fixing foot 7 is further included. The fixing foot 7 is fixedly connected to the first blade 1 and the second blade 2, thereby improving the stability of the sharpening device during operation.
[0026] Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model are within the protection scope of this utility model.
Claims
1. A sharpening device for high-speed sliding, characterized in that: Includes a first blade (1), a second blade (2), a connecting rod (3), at least one first clamping device (4), and a second clamping device (5) matching the number of the first clamping devices (4). Both the first blade (1) and the second blade (2) are slidably connected to the connecting rod (3). The first clamping device (4) is disposed on the first blade (1), and the second clamping device (5) is disposed on the second blade (2). The first clamping device (4) and the second clamping device (5) are used to clamp and fix the ice skate; the second clamping device (5) 5) Includes a second adjusting screw (51), a second fixing clamp (52), a second spring (53), and a slider (54). The second adjusting screw (51) is rotatably connected to the slider (54). The second fixing clamp (52) is sleeved on the second adjusting screw (51) and rotatably connected to the slider (54). The second spring (53) is sleeved on the second adjusting screw (51), with one end abutting against the slider (54) and the other end abutting against the second fixing clamp (52). The slider (54) is slidably disposed on the second fan blade (2).
2. The sharpening device for high-speed sliding according to claim 1, characterized in that: The edge of the second fixing clip (52) is arc-shaped.
3. The sharpening device for high-speed sliding according to claim 1, characterized in that: It also includes a guide rail (55), a forward sliding adjustment nut (56) and a reverse sliding adjustment nut (57). The guide rail (55) passes through the slider (54). The forward sliding adjustment nut (56) and the reverse sliding adjustment nut (57) are rotatably sleeved on the guide rail (55) for adjusting the left and right sliding of the slider (54).
4. The sharpening device for high-speed sliding according to claim 1, characterized in that: The first clamping device (4) includes a first adjusting screw (41), a first fixing clamp (42) and a first spring (43). The first adjusting screw (41) is rotatably connected to the first fan blade (1). The first fixing clamp (42) is sleeved on the first adjusting screw (41) and rotatably connected to the first fan blade (1). The first spring (43) is sleeved on the first adjusting screw (41), with one end abutting against the first fan blade (1) and the other end abutting against the first fixing clamp (42).
5. The sharpening device for high-speed sliding according to claim 4, characterized in that: The edge of the first fixing clip (42) is arc-shaped.
6. The sharpening device for high-speed sliding according to claim 1, characterized in that: It also includes a sharpening device (6), one end of which is connected to the first blade (1) and the other end is connected to the second blade (2), for automatically sharpening ice skates.
7. The sharpening device for speed gliding according to claim 6, characterized in that: The sharpening device (6) includes a motor (61), a lead screw (62) and an elastic pressing member (64). One end of the lead screw (62) is connected to the first fan blade (1) and the other end is connected to the second fan blade (2). The motor (61) is connected to the lead screw (62) and the elastic pressing member (64) is connected to the lead screw (62).
8. The sharpening device for high-speed sliding according to claim 1, characterized in that: It also includes a fixing foot (7), which is fixedly connected to the first fan blade (1) and the second fan blade (2).
9. The sharpening device for speed gliding according to claim 7, characterized in that: It also includes a first baffle (8) and a second baffle (9). The first baffle (8) is connected to the first fan blade (1), and the second baffle (9) is connected to the second fan blade (2). The first baffle (8) and the second baffle (9) are used to limit the sliding stroke of the whetstone (63) to prevent the whetstone (63) from exceeding the whetstone distance.