Turning grinding head with angle adjusting function and adjusting method

Abstract

The invention relates to a turning grinding head with an angle adjusting function and an adjusting method, and belongs to the field of medical instruments. The device comprises a handle mechanism, a sleeve mechanism and a grinding head mechanism, the sleeve mechanism is installed on the handle mechanism, the grinding head mechanism is installed on the sleeve mechanism, and the device is structurally characterized in that the grinding head mechanism comprises a grinding head body, a grinding head base, a grinding head outer sleeve, a supporting frame, a driving pipe front connector, a transmission connector, a universal connector, a grinding head baffle ring and a grinding head clamping block; the grinding head body is installed on the grinding head base, the grinding head base is installed in the grinding head outer sleeve, the grinding head outer sleeve is installed on the supporting frame, the driving pipe front connector is connected with the grinding head outer sleeve, one end of the universal connector is connected with the grinding head base, the other end of the universal connector is connected with the transmission connector, the grinding head clamping block is installed on the grinding head base, and the grinding head clamping block is installed on the grinding head base. The grinding head clamping block is installed in the grinding head outer sleeve through the grinding head baffle ring.

Description

Technical Field

[0001] The invention relates to a turning grinding head with an angle adjustment function and an adjustment method, and belongs to the field of medical equipment. Background Art

[0002] In orthopedic surgery, bone tissue needs to be ground with a grinding head, but this method has high requirements for the working space. When the working space is narrow, the grinding head cannot smoothly enter the working space, affecting the progress of the work. In view of this, a turning grinding head is disclosed in the patent document with application number 201821074903.4. When adjusting, the grinding head in the above prior art controls the rotation of the nut to tighten the turning mechanism by the flat steel, and the adjusting nut controls the movement of the adjusting tube, and the adjusting tube pushes the turning mechanism, so that the turning mechanism can be realized. Summary of the invention

[0003] The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art and to provide a turning grinding head with a reasonable structural design and an angle adjustment function and an adjustment method.

[0004] The technical solution adopted by the present invention to solve the above-mentioned problem is: the turning grinding head with angle adjustment function includes a handle mechanism, a sleeve mechanism and a grinding head mechanism, the sleeve mechanism is installed on the handle mechanism, and the grinding head mechanism is installed on the sleeve mechanism. Its structural characteristics are: the grinding head mechanism includes a grinding head body, a grinding head seat, a grinding head jacket, a support frame, a drive tube front joint, a transmission joint and a universal joint, the grinding head body is installed on the grinding head seat, the grinding head seat is installed in the grinding head jacket, the grinding head jacket is installed on the support frame, the drive tube front joint is connected to the grinding head jacket, one end of the universal joint is connected to the grinding head seat, and the other end of the universal joint is connected to the transmission joint.

[0005] Furthermore, the grinding head mechanism also includes a grinding head retaining ring and a grinding head clamping block, the grinding head clamping block is installed on the grinding head seat, and the grinding head clamping block is installed in the grinding head outer sleeve through the grinding head retaining ring.

[0006] Furthermore, a support slide groove is provided on the support frame, and the front joint of the driving pipe is located in the support slide groove.

[0007] Furthermore, a supporting rotating block is arranged on the outer sleeve of the grinding head, a supporting rotating groove is arranged on the supporting frame, and the supporting rotating block is located in the supporting rotating groove.

[0008] Further, the sleeve mechanism includes a support tube, a drive tube, a drive rod, a connector, a drive sleeve, a screw sleeve, a drive tube rear joint, a positioning sleeve and a positioning seat, one end of the support tube is connected to the support frame, the other end of the support tube is connected to the positioning sleeve, one end of the drive tube is connected to the drive tube front joint, the other end of the drive tube is connected to the drive tube rear joint, one end of the drive rod is connected to the transmission joint, the other end of the drive rod is connected to the connector, the support tube is sleeved outside the drive tube, the drive tube is sleeved outside the drive rod, the screw sleeve, the drive tube rear joint and the positioning seat are installed on the drive sleeve, and the positioning seat is sleeved outside the positioning sleeve.

[0009] Furthermore, the rear joint of the driving pipe is installed in the driving sleeve through a driving pressing sleeve.

[0010] Furthermore, a transmission limit block is arranged at one end of the driving rod, the transmission limit block is located in a transmission limit groove, and the transmission limit groove is arranged on the transmission joint.

[0011] Furthermore, the handle mechanism includes a handle seat, a bearing pressure ring, a bearing, a handle head and a bearing retaining ring, the inner ring of the bearing is installed on the connector through the bearing retaining ring, the outer ring of the bearing is installed in the handle head, the bearing pressure ring is installed in the handle seat, the handle head is installed on the handle seat, and the outer ring of the bearing abuts against the bearing pressure ring.

[0012] Furthermore, the handle head is threadedly connected to the screw sleeve.

[0013] Furthermore, a driving limit groove is arranged on the handle head, a driving limit block is arranged in the driving limit groove, and the driving limit block and the rear joint of the driving tube are arranged as an integrated structure.

[0014] Furthermore, another technical purpose of the present invention is to provide a method for adjusting a turning grinding head with an angle adjustment function.

[0015] The above technical objectives of the present invention are achieved through the following technical solutions.

[0016] The adjustment method of a turning grinding head with an angle adjustment function is characterized in that: the adjustment method is as follows: a connector is connected to a driving motor, and the driving motor drives the connector, driving rod, transmission joint, universal joint, and grinding head seat to rotate, and the grinding head body is driven to rotate by the grinding head seat. When adjusting the angle of the grinding head body, the driving sleeve is rotated because the screw sleeve is threadedly connected to the handle head, so that the driving sleeve can be moved forward and backward along the handle head. Since the driving limit block is arranged on the driving sleeve through the driving pressure sleeve, the driving limit block can be moved forward and backward in the driving limit groove. The rear joint of the driving tube is an integrated structure, and the rear joint of the driving tube, the driving tube, and the front joint of the driving tube are connected, so that the front joint of the driving tube can move forward and backward in the supporting tube. Since the front joint of the driving tube is rotatably connected to the grinding head jacket, and the grinding head jacket is rotatably connected to the support frame through the supporting rotating groove and the supporting rotating block, the grinding head jacket can be rotated on the support frame when the grinding head jacket is pushed or pulled through the supporting rotating groove and the supporting rotating block, thereby realizing the angle adjustment of the grinding head jacket. Since the grinding head body is arranged on the grinding head seat, and the grinding head seat is arranged on the grinding head jacket, the angle adjustment of the grinding head body can be realized.

[0017] Compared with the prior art, the present invention has the following advantages: when in use, the turning grinding head with angle adjustment function can drive the grinding head body to rotate through a driving motor, and the driving sleeve is rotated to move the driving sleeve forward and backward to realize the forward and backward movement of the driving tube, and the grinding head jacket is pushed and pulled by the driving tube to realize the angle adjustment of the grinding head jacket, and the angle adjustment is flexible to realize all-round and multi-angle grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of a turning grinding head with angle adjustment function according to an embodiment of the present invention.

[0019] Figure 2 yes Figure 1 Schematic diagram of the enlarged structure of part A in FIG.

[0020] Figure 3 It is a schematic cross-sectional structure diagram of a turning grinding head with angle adjustment function according to an embodiment of the present invention.

[0021] Figure 4 yes Figure 3 Schematic diagram of the enlarged structure of part B in FIG.

[0022] Figure 5 It is a schematic cross-sectional structure diagram of a turning grinding head with angle adjustment function according to an embodiment of the present invention.

[0023] Figure 6 yes Figure 5 Schematic diagram of the enlarged structure of part C in.

[0024] Figure 7 yes Figure 5 Schematic diagram of the enlarged structure of part D in FIG.

[0025] Figure 8 It is a schematic diagram of the structure of the turning grinding head with angle adjustment function in the embodiment of the present invention in the use state.

[0026] In the figure: handle mechanism 1, sleeve mechanism 2, grinding head mechanism 3, Handle seat 11, bearing pressure ring 12, bearing 13, handle head 14, bearing retaining ring 15, Support tube 21, drive tube 22, drive rod 23, connector 24, drive sleeve 25, screw sleeve 26, drive tube rear joint 27, drive pressing sleeve 28, positioning sleeve 29, positioning seat 210, drive limit groove 211, drive limit block 212, Grinding head body 31, grinding head seat 32, grinding head retaining ring 33, grinding head clamping block 34, grinding head sleeve 35, supporting frame 36, driving tube front joint 37, transmission joint 38, universal joint 39, transmission limit groove 310, transmission limit block 311, supporting slide groove 312, supporting rotating groove 313, supporting rotating block 314. DETAILED DESCRIPTION

[0027] The present invention will be further described in detail below with reference to the accompanying drawings and by way of examples. The following examples are intended to explain the present invention but the present invention is not limited to the following examples.

[0028] Example

[0029] See also Figures 1 to 8 As shown, it should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, if there are references to terms such as "upper", "lower", "left", "right", "middle" and "one" in this specification, they are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0030] The turning grinding head with angle adjustment function in this embodiment comprises a handle mechanism 1 , a sleeve mechanism 2 and a grinding head mechanism 3 . The sleeve mechanism 2 is mounted on the handle mechanism 1 , and the grinding head mechanism 3 is mounted on the sleeve mechanism 2 .

[0031] The grinding head mechanism 3 in this embodiment includes a grinding head body 31, a grinding head seat 32, a grinding head retaining ring 33, a grinding head block 34, a grinding head jacket 35, a support frame 36, a drive tube front joint 37, a transmission joint 38 and a universal joint 39. The support frame 36 is provided with a support slide groove 312 and a support rotation groove 313. The grinding head body 31 is installed on the grinding head seat 32, and the grinding head seat 32 is installed in the grinding head jacket 35. That is to say, the grinding head block 34 is installed on the grinding head seat 32, and the grinding head block 34 is installed in the grinding head jacket 35 through the grinding head retaining ring 33.

[0032] The grinding head body 31 and the grinding head seat 32 are connected and fixed by pins and welded to the grinding head jacket 35 through the grinding head retaining ring 33 and the grinding head clamping block 34; the grinding head jacket 35 and the support frame 36 are connected to each other through the support slide groove 312 and the support rotation groove 313, and the grinding head jacket 35 is provided with a pin hole connected to the front joint 37 of the driving pipe, and the transmission is powered by the transmission joint 38 and the universal joint 39.

[0033] The grinding head sleeve 35 in this embodiment is installed on the support frame 36, that is to say, a support rotating block 314 is provided on the grinding head sleeve 35, the support rotating block 314 is located in the support rotating groove 313, the front joint 37 of the driving tube is connected to the grinding head sleeve 35, and the front joint 37 of the driving tube is located in the support slide groove 312, one end of the universal joint 39 is connected to the grinding head seat 32, and the other end of the universal joint 39 is connected to the transmission joint 38.

[0034] The sleeve mechanism 2 in this embodiment includes a support tube 21, a drive tube 22, a drive rod 23, a connector 24, a drive sleeve 25, a screw sleeve 26, a drive tube rear joint 27, a positioning sleeve 29 and a positioning seat 210. One end of the support tube 21 is connected to the support frame 36, and the other end of the support tube 21 is connected to the positioning sleeve 29.

[0035] One end of the driving tube 22 in this embodiment is connected to the driving tube front joint 37, the other end of the driving tube 22 is connected to the driving tube rear joint 27, and one end of the driving rod 23 is connected to the transmission joint 38, that is to say, one end of the driving rod 23 is provided with a transmission limit block 311, the transmission limit block 311 is located in the transmission limit groove 310, the transmission limit groove 310 is arranged on the transmission joint 38, the transmission limit groove 310 is arranged in a U-shaped structure, the transmission limit block 311 is arranged in a flat structure, the transmission limit block 311 is inserted in the transmission limit groove 310, and the other end of the driving rod 23 is connected to the connector 24.

[0036] The support tube 21 in this embodiment is sleeved on the outside of the drive tube 22, the drive tube 22 is sleeved on the outside of the drive rod 23, the screw sleeve 26, the drive tube rear joint 27 and the positioning seat 210 are installed on the drive sleeve 25, that is, the drive tube rear joint 27 is installed in the drive sleeve 25 through the drive pressing sleeve 28, and the positioning seat 210 is sleeved on the outside of the positioning sleeve 29.

[0037] The driving tube 22 is made of Teflon material, which has a noise reduction function during high-speed rotation, avoiding friction and heat generation between the driving rod 23 and the driving tube 22. The bearing 13 is installed on the connector 24 to ensure the concentricity of the entire driving rod 23.

[0038] The driving sleeve 28 and the driving sleeve 25 lock the rear joint 27 of the driving tube. The driving sleeve 25 and the handle head 14 are threadedly matched. The handle head 14 is provided with a driving limit groove 211. By rotating the driving sleeve 25, the rear joint 27 of the rod driving tube can be extended and retracted forward and backward, so that the grinding head sleeve 35 can achieve the purpose of bending adjustment.

[0039] The handle mechanism 1 in this embodiment includes a handle seat 11, a bearing pressure ring 12, a bearing 13, a handle head 14 and a bearing retaining ring 15. The inner ring of the bearing 13 is installed on the connector 24 through the bearing retaining ring 15, the outer ring of the bearing 13 is installed in the handle head 14, the bearing pressure ring 12 is installed in the handle seat 11, and the handle head 14 is installed on the handle seat 11. The outer ring of the bearing 13 abuts against the bearing pressure ring 12, and the handle head 14 is threadedly connected with the screw sleeve 26. A drive limit groove 211 is provided on the handle head 14, and a drive limit block 212 is provided in the drive limit groove 211. The drive limit block 212 and the drive tube rear joint 27 are an integrated structure.

[0040] The adjustment method of the turning grinding head with angle adjustment function in this embodiment is as follows: the connector 24 is connected to the driving motor, and the driving motor drives the connector 24, the driving rod 23, the transmission joint 38, the universal joint 39, and the grinding head seat 32 to rotate, and the grinding head body 31 is driven to rotate through the grinding head seat 32. When adjusting the angle of the grinding head body 31, by rotating the driving sleeve 25, since the screw sleeve 26 is threadedly connected to the handle head 14, the driving sleeve 25 can be moved forward and backward along the handle head 14. Since the driving limit block 212 is arranged on the driving sleeve 25 through the driving pressure sleeve 28, the driving limit block 212 can be moved forward and backward in the driving limit groove 211. Since the driving limit block 212 is connected to the rear joint 2 of the driving pipe 7 is an integrated structure, and the rear joint 27 of the driving tube, the driving tube 22, and the front joint 37 of the driving tube are connected, so that the front joint 37 of the driving tube can move forward and backward in the support tube 21. Since the front joint 37 of the driving tube is rotatably connected to the grinding head jacket 35, the grinding head jacket 35 is rotatably connected to the support frame 36 through the support rotation groove 313 and the support rotation block 314, when the grinding head jacket 35 is pushed or pulled through the support rotation groove 313 and the support rotation block 314, the grinding head jacket 35 can be rotated on the support frame 36, thereby realizing the angle adjustment of the grinding head jacket 35. Since the grinding head body 31 is arranged on the grinding head seat 32, and the grinding head seat 32 is arranged on the grinding head jacket 35, the angle adjustment of the grinding head body 31 can be realized.

[0041] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is only an example of the structure of the present invention. All equivalent changes or simple changes made based on the structure, features and principles described in the patent concept of the present invention are included in the protection scope of the patent of the present invention. Technicians in the technical field of the present invention can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the present invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

Claims

1. A turning grinding head with an angle adjustment function, comprising a handle mechanism (1), a sleeve mechanism (2) and a grinding head mechanism (3), wherein the sleeve mechanism (2) is mounted on the handle mechanism (1), and the grinding head mechanism (3) is mounted on the sleeve mechanism (2), characterized in that: The grinding head mechanism (3) comprises a grinding head body (31), a grinding head seat (32), a grinding head outer sleeve (35), a support frame (36), a drive tube front joint (37), a transmission joint (38) and a universal joint (39), wherein the grinding head body (31) is mounted on the grinding head seat (32), the grinding head seat (32) is mounted in the grinding head outer sleeve (35), the grinding head outer sleeve (35) is mounted on the support frame (36), the drive tube front joint (37) is connected to the grinding head outer sleeve (35), one end of the universal joint (39) is connected to the grinding head seat (32), and the other end of the universal joint (39) is connected to the transmission joint (38); The sleeve mechanism (2) comprises a support tube (21), a drive tube (22), a drive rod (23), a connector (24), a drive sleeve (25), a threaded sleeve (26), a drive tube rear joint (27), a positioning sleeve (29) and a positioning seat (210); one end of the support tube (21) is connected to a support frame (36); the other end of the support tube (21) is connected to the positioning sleeve (29); one end of the drive tube (22) is connected to a drive tube front joint (37); the drive tube (22) The other end of the drive tube (22) is connected to the rear joint (27) of the drive tube, one end of the drive rod (23) is connected to the transmission joint (38), the other end of the drive rod (23) is connected to the connector (24), the support tube (21) is sleeved outside the drive tube (22), the drive tube (22) is sleeved outside the drive rod (23), the screw sleeve (26), the rear joint (27) of the drive tube and the positioning seat (210) are installed on the drive sleeve (25), and the positioning seat (210) is sleeved outside the positioning sleeve (29); The handle mechanism (1) comprises a handle seat (11), a bearing pressure ring (12), a bearing (13), a handle head (14) and a bearing retaining ring (15); the inner ring of the bearing (13) is mounted on the connector (24) via the bearing retaining ring (15); the outer ring of the bearing (13) is mounted in the handle head (14); the bearing pressure ring (12) is mounted in the handle seat (11); the handle head (14) is mounted on the handle seat (11); and the outer ring of the bearing (13) abuts against the bearing pressure ring (12).

2. The turning grinding head with angle adjustment function according to claim 1, characterized in that: The grinding head mechanism (3) further comprises a grinding head retaining ring (33) and a grinding head clamping block (34); the grinding head clamping block (34) is mounted on the grinding head seat (32); and the grinding head clamping block (34) is mounted in the grinding head outer sleeve (35) via the grinding head retaining ring (33).

3. The turning grinding head with angle adjustment function according to claim 1, characterized in that: The support frame (36) is provided with a support slide groove (312), and the drive pipe front joint (37) is located in the support slide groove (312).

4. The turning grinding head with angle adjustment function according to claim 1, characterized in that: The grinding head outer sleeve (35) is provided with a supporting rotating block (314), the supporting frame (36) is provided with a supporting rotating groove (313), and the supporting rotating block (314) is located in the supporting rotating groove (313).

5. The turning grinding head with angle adjustment function according to claim 1, characterized in that: The drive pipe rear joint (27) is installed in the drive sleeve (25) via a drive pressing sleeve (28).

6. The turning grinding head with angle adjustment function according to claim 1, characterized in that: A transmission limit block (311) is provided at one end of the driving rod (23); the transmission limit block (311) is located in a transmission limit slot (310); and the transmission limit slot (310) is provided on a transmission joint (38).

7. The turning grinding head with angle adjustment function according to claim 1, characterized in that: The handle head (14) is threadedly connected to the threaded sleeve (26).

8. The turning grinding head with angle adjustment function according to claim 1, characterized in that: The handle head (14) is provided with a driving limit groove (211), a driving limit block (212) is provided in the driving limit groove (211), and the driving limit block (212) and the driving tube rear joint (27) are provided as an integrated structure.

9. A method for adjusting a turning grinding head with an angle adjustment function according to any one of claims 1 to 8, characterized in that: The adjustment method is as follows: the connector (24) is connected to the driving motor, and the driving motor drives the connector (24), the driving rod (23), the transmission joint (38), the universal joint (39), and the grinding head seat (32) to rotate, and the grinding head body (31) is driven to rotate through the grinding head seat (32). When adjusting the angle of the grinding head body (31), the driving sleeve (25) is rotated. Since the screw sleeve (26) is threadedly connected to the handle head (14), the driving sleeve (25) can be moved forward and backward along the handle head (14). Since the driving limit block (212) is arranged on the driving sleeve (25) through the driving pressure sleeve (28), the driving limit block (212) can be moved forward and backward in the driving limit groove (211). Since the driving limit block (212) and the rear joint (27) of the driving pipe are arranged as an integrated structure, The rear joint (27) of the driving tube, the driving tube (22), and the front joint (37) of the driving tube are connected, so that the front joint (37) of the driving tube can move forward and backward in the support tube (21). Since the front joint (37) of the driving tube is rotatably connected to the grinding head jacket (35), the grinding head jacket (35) and the support frame (36) are rotatably connected through the support rotation groove (313) and the support rotation block (314). Therefore, when the grinding head jacket (35) is pushed or pulled through the support rotation groove (313) and the support rotation block (314), the grinding head jacket (35) can be rotated on the support frame (36), thereby realizing the angle adjustment of the grinding head jacket (35). Since the grinding head body (31) is arranged on the grinding head seat (32), and the grinding head seat (32) is arranged on the grinding head jacket (35), the angle adjustment of the grinding head body (31) can be realized.

Images