Electric saw with limiting pin for orthopedics department
By setting grooves and vertical slots on the fixed rod of the electric saw, combined with limit pins and rings, bidirectional locking of the saw blade is achieved, solving the problem of easy slippage of traditional orthopedic electric saw blades, and improving the stability and safety of the fixation.
Patent Information
- Application Number
- CN202422905003.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Traditional orthopedic chainsaws use a one-way locking mechanism to connect the saw blade to the power tool. This locking structure has low strength and poor shock resistance, and may slip off after prolonged use, posing a safety hazard.
By employing a limit pin and locking device, and by setting a sliding groove and a vertical groove on the fixed rod of the power tool, one end of the saw blade is inserted into the vertical groove, and through the cooperation of the limit pin and the ring, a two-way locking is achieved, which enhances the fixing stability of the saw blade.
It improves the stability of the saw blade, reduces the risk of slippage, and enhances safety during use.
Smart Images
Figure CN223873979U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to orthopedics appliance technical field, especially in orthopedics with electric saw of spacing pin. BACKGROUND
[0002] With the influence of current social environment and the improvement of social conditions, orthopedic treatment surgery is more and more valued by physicians and patients, and also more and more valued by medical units. With the population aging becoming more and more serious, bone joint reconstruction, revision surgery accounts for a larger and larger proportion in orthopedic surgery, and the demand for electric tools is higher and higher. In orthopedic surgery, electric tools and saw blades are used to cut bones, and the locking structure of the traditional ordinary saw blade and the electric tool is one-way locking, the locking structure has low strength, poor shock resistance, and there is a risk of slipping after long-term use, which may cause harm to patients or operators. SUMMARY
[0003] The utility model aims at providing a kind of orthopedics with electric saw of spacing pin to solve the problem that the locking structure of the traditional ordinary saw blade and the electric tool is one-way locking, the locking structure has low strength, poor shock resistance, and there is a risk of slipping after long-term use, which may cause harm to patients or operators.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of orthopedics with electric saw of spacing pin, including electric tool and saw blade, the inside fixed connection of electric tool has fixed rod, the top of fixed rod is equipped with horizontal groove, the top of fixed rod is equipped with vertical groove, the horizontal groove and vertical groove are perpendicular and communicate with each other, sliding slot is equipped on the outer wall of fixed rod, rotatingly connected with annular ring in the inside of sliding slot, the side of annular ring is equipped with locking device for preventing annular ring from loosening, the top surface of annular ring is equipped with through groove two, the width of through groove two is compatible with the thickness of saw blade, one end of saw blade is equipped with clamping groove compatible with annular ring, spacing pin is inserted in the inside of through groove one, and the thickness of spacing pin is compatible with the width of horizontal groove.
[0005] Preferably, the locking device includes a coil spring, the coil spring is sleeved on the outer wall of the fixed rod, and the two ends of the coil spring are respectively detachable from the fixed rod and the annular ring.
[0006] Preferably, the pipe wall of the fixed rod is provided with a first insertion slot, the two ends of the coil spring are respectively fixedly connected with a first insertion rod and a second insertion rod, the second insertion rod is inserted into the first insertion slot, and the outer wall of the annular ring is provided with a second insertion slot, the first insertion rod is inserted into the second insertion slot.
[0007] Preferably, the outer wall of the circular ring is fixedly connected with a connecting ring for driving the circular ring, one side of the connecting ring is fixedly connected with a push plate, one side of the circular ring is fixedly connected with two connecting rods, and the connecting rods are fixedly connected with the push plate.
[0008] Preferably, the other side of the connecting ring away from the push plate is fixedly connected with a limiting ring, the outer wall of the limiting ring is provided with a group of symmetrical limiting grooves, and the outer wall of the fixed rod is fixedly connected with a group of symmetrical limiting rods, and the two symmetrical limiting rods respectively extend into the inside of the limiting grooves.
[0009] Preferably, the two sides of the limiting pin are fixedly connected with a group of limiting blocks for limiting the position of the limiting pin.
[0010] The technical effects and advantages of the utility model are as follows: the utility model discloses a fixed rod is fixedly connected in the inside of electric tool, the circular ring is rotatably connected in the sliding slot on the surface of fixed rod, the saw blade one end is placed in the vertical groove, and the inner wall of circular ring is clamped in the saw blade clamping groove to prevent the saw blade from falling off electric tool, then the limiting pin is inserted into the inside of the through groove one of saw blade one end, and the limiting pin is clamped in the horizontal groove of fixed rod to prevent the saw blade from shaking left and right, and then the electric tool bidirectional locking is carried out to the saw blade, so that the fixation of saw blade is more stable. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the three-dimensional structure schematic view of the utility model.
[0012] Figure 2 It is the circular ring partial structure schematic view of the utility model.
[0013] Figure 3 It is the saw blade partial structure schematic view of the utility model.
[0014] Figure 4 It is the fixed rod structure schematic view of the utility model.
[0015] In the drawing: 1, electric tool;2, saw blade;21, through groove one;22, clamping groove;3, fixed rod;31, horizontal groove;32, sliding slot;33, vertical groove;34, insertion groove one;4, circular ring;41, connecting rod;42, through groove two;43, insertion groove two;5, limiting ring;51, limiting groove;6, limiting rod;7, connecting ring;8, push plate;9, coil spring;91, insertion rod one;92, insertion rod two;10, limiting pin;101, limiting block. DETAILED DESCRIPTION
[0016] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.
[0017] The utility model provides a kind of orthopedics electric saw with limiting pin as shown in Figures 1-4 The utility model provides a kind of orthopedics electric saw with limiting pin as shown in When the ring 4 is rotated to be flush with the vertical direction of the vertical groove 33, the end of the saw blade 2 is inserted into the vertical groove 33 at this time, until the clamping groove 22 on the saw blade 2 is horizontally opposite to the through groove two 42 of the ring 4, then the ring 4 is rotated, and then the ring 4 is clamped on the clamping groove 22 to fix the saw blade 2, to prevent the saw blade 2 from falling off the electric tool 1.
[0018] Figure 1 As shown in the figure, the outer wall of the ring 4 is fixedly connected with the connecting ring 7 for driving the ring 4, one side of the connecting ring 7 is fixedly connected with the push plate 8, one side of the ring 4 is fixedly connected with two connecting rods 41, and the connecting rod 41 is fixedly connected with the push plate 8.
[0019] As shown in the figure, the outer wall of the ring 4 is fixedly connected with the connecting ring 7 for driving the ring 4, one side of the connecting ring 7 is fixedly connected with the push plate 8, one side of the ring 4 is fixedly connected with two connecting rods 41, and the connecting rod 41 is fixedly connected with the push plate 8. Figure 1 As shown in the figure, the outer wall of the ring 4 is fixedly connected with the connecting ring 7 for driving the ring 4, one side of the connecting ring 7 is fixedly connected with the push plate 8, one side of the ring 4 is fixedly connected with two connecting rods 41, and the connecting rod 41 is fixedly connected with the push plate 8.
[0020] As shown in the figure, the outer wall of the ring 4 is fixedly connected with the connecting ring 7 for driving the ring 4, one side of the connecting ring 7 is fixedly connected with the push plate 8, one side of the ring 4 is fixedly connected with two connecting rods 41, and the connecting rod 41 is fixedly connected with the push plate 8. Figure 2 As shown in the figure, the outer wall of the ring 4 is fixedly connected with the connecting ring 7 for driving the ring 4, one side of the connecting ring 7 is fixedly connected with the push plate 8, one side of the ring 4 is fixedly connected with two connecting rods 41, and the connecting rod 41 is fixedly connected with the push plate 8.
[0021] As shown in the figure, the outer wall of the ring 4 is fixedly connected with the connecting ring 7 for driving the ring 4, one side of the connecting ring 7 is fixedly connected with the push plate 8, one side of the ring 4 is fixedly connected with two connecting rods 41, and the connecting rod 41 is fixedly connected with the push plate 8. Figure 2And Figure 4 As shown in the fixed rod 3 pipe wall is provided with a slot 34, the two ends of the coil spring 9 are fixedly connected with the plug rod 91 and the plug rod 92, the plug rod 92 is inserted into the slot 34, the outer wall of the ring 4 is provided with a slot 43, the plug rod 91 is inserted into the slot 43.
[0022] As shown in the Figure 3 As shown in the limiting pin 10 is fixedly connected with a group of limiting block 101 on both sides of the limiting pin 10 position, preventing the limiting pin 10 inserted into the groove 21 has offset, resulting in the limiting pin 10 put into the horizontal slot 31 has block.
[0023] The utility model working principle: in use, first, turn the dial plate 8, through the rotation of dial plate 8 drive connecting ring 7 rotation, through the rotation of connecting ring 7 drive ring 4 rotates, make the through slot 42 and vertical slot 33 in vertical direction flush, at the same time, through the rotation of ring 4 drive slot 43 rotates, through the rotation of slot 43 to the plug rod 91 extrusion, make the coil spring 9 extrusion state, then one end of saw blade 2 is inserted into the vertical slot 33, until to the bottom of vertical slot 33, at this time, need to pay attention to the limiting pin 10 synchronous insertion into the horizontal slot 31, then release the dial plate 8, the coil spring 9 returns to zero, at this time, the plug rod 91 drive slot 43 rotates, make ring 4 rotates, in turn make the through slot 42 and vertical slot 33 misalignment, in turn to the saw blade 2 is fixed, can use. Finally should be explained is: the above only for the preferred embodiment of the utility model and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. An orthopedic electric saw with a limiting pin, comprising an electric power tool (1) and a saw blade (2), characterized in that: The electric tool (1) is internally fixedly connected with a fixed rod (3), the top end of the fixed rod (3) is provided with a horizontal groove (31), the top end of the fixed rod (3) is provided with a vertical groove (33), the horizontal groove (31) and the vertical groove (33) are perpendicular to each other and communicate with each other, the outer wall of the fixed rod (3) is provided with a sliding groove (32), the sliding groove (32) is internally sleeved with a rotating connection of a circular ring (4), one side of the circular ring (4) is provided with a locking device for preventing the circular ring (4) from loosening, the top surface of the circular ring (4) is provided with a through groove two (42), the width of the through groove two (42) is matched with the thickness of the saw blade (2), one end of the saw blade (2) is provided with a clamping groove (22) matched with the circular ring (4), the side surface of the saw blade (2) is provided with a through groove one (21), the limiting pin (10) is inserted into the through groove one (21), and the thickness of the limiting pin (10) is matched with the width of the horizontal groove (31).
2. The electric saw with a limiting pin for orthopedics according to claim 1, characterized in that: The locking device comprises a coil spring (9), the coil spring (9) is sleeved on the outer wall of the fixed rod (3), and the two ends of the coil spring (9) are respectively detachably connected with the fixed rod (3) and the circular ring (4).
3. The electric saw with a limiting pin for orthopedics according to claim 2, characterized in that: The pipe wall of the fixed rod (3) is provided with a slot one (34), the two ends of the coil spring (9) are respectively fixedly connected with a plug rod one (91) and a plug rod two (92), the plug rod two (92) is inserted into the slot one (34), the outer wall of the circular ring (4) is provided with a slot two (43), the plug rod one (91) is inserted into the slot two (43).
4. The electric saw with a limiting pin for orthopedics according to claim 1, characterized in that: The outer wall of the circular ring (4) is fixedly connected with a connecting ring (7) for driving the circular ring (4), one side of the connecting ring (7) is fixedly connected with a fixed connection of a push plate (8), one side of the circular ring (4) is fixedly connected with two connecting rods (41), the connecting rod (41) is fixedly connected with the push plate (8).
5. The electric saw with a limiting pin for orthopedics according to claim 4, characterized in that: The side of the connecting ring (7) away from the push plate (8) is fixedly connected with a limiting ring (5), the outer wall of the limiting ring (5) is provided with a group of symmetrical limiting grooves (51), the outer wall of the fixed rod (3) is fixedly connected with a group of symmetrical limiting rods (6), two symmetrical limiting rods (6) are respectively inserted into the limiting grooves (51).
6. The electric saw with a limiting pin for orthopedics according to claim 1, characterized in that: The two sides of the limiting pin (10) are fixedly connected with a group of limiting blocks (101) for limiting the position of the limiting pin (10).