Medical adjustable turning grinding head

Abstract

The utility model relates to a medical adjustable turning grinding head, and belongs to the field of medical instruments. The pipe sleeving device comprises a handle mechanism, a pipe sleeving mechanism and a grinding head mechanism, the pipe sleeving mechanism is installed on the handle mechanism, and the grinding head mechanism is installed on the pipe sleeving mechanism. The grinding head mechanism 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, and the driving pipe front connector 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 in the grinding head outer sleeve through the grinding head baffle ring.

Description

TECHNICAL FIELD

[0001] The utility model relates to a medical adjustable turning grinding head and belongs to the field of medical instruments. BACKGROUND

[0002] In orthopedic surgery, bone tissue needs to be ground by a grinding head, but this method has high requirements for the working space. When the working space is narrow, the grinding head cannot enter the working space smoothly, affecting the work progress. Therefore, a turning grinding head is disclosed in the patent document with application number 201821074903.4. The grinding head in the above-mentioned prior art adjusts by controlling the rotating nut, which simultaneously tightens the turning mechanism of the flat steel, adjusts the movement of the adjusting nut, and tightens the turning mechanism with the adjusting pipe, so as to realize the turning of the turning mechanism. UTILITY MODEL CONTENT

[0003] The utility model aims to overcome the above-mentioned deficiencies in the prior art and provide a medical adjustable turning grinding head with a reasonable structure design.

[0004] The technical solution adopted by the utility model to solve the above-mentioned problems is as follows: the medical adjustable turning grinding head 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 features are as follows: the grinding head mechanism includes a grinding head main body, a grinding head seat, a grinding head sleeve, a support frame, a driving pipe front joint, a transmission joint, and a universal joint. The grinding head main body is installed on the grinding head seat, the grinding head seat is installed in the grinding head sleeve, the grinding head sleeve is installed on the support frame, the driving pipe front joint is connected with the grinding head sleeve, one end of the universal joint is connected with the grinding head seat, and the other end of the universal joint is connected with the transmission joint.

[0005] Further, 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 is installed in the grinding head sleeve through the grinding head retaining ring.

[0006] Further, the support frame is provided with a support sliding groove, and the driving pipe front joint is located in the support sliding groove.

[0007] Further, the grinding head sleeve is provided with a support rotating block, the support frame is provided with a support rotating groove, and the support rotating block is located in the support rotating groove.

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

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

[0010] Further, one end of the driving rod is provided with a transmission limiting block, the transmission limiting block is located in a transmission limiting groove, and the transmission limiting groove is arranged on the transmission joint.

[0011] Further, the handle mechanism comprises a handle seat, a bearing pressing ring, a bearing, a handle head and a bearing retainer, the inner ring of the bearing is installed on the connector through the bearing retainer, the outer ring of the bearing is installed in the handle head, the bearing pressing 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 pressing ring.

[0012] Further, the handle head is in threaded connection with the screw sleeve.

[0013] Further, the handle head is provided with a driving limiting groove, a driving limiting block is arranged in the driving limiting groove, and the driving limiting block is arranged in an integral mode with the driving pipe rear joint.

[0014] Compared with the prior art, the medical adjustable turning grinding head has the following advantages: when the medical adjustable turning grinding head is used, the grinding head body can be driven to rotate through the driving motor, the driving sleeve can be moved forward and backward through rotation, the driving pipe can be moved forward and backward, the grinding head outer sleeve can be pushed and pulled through the driving pipe, and the angle of the grinding head outer sleeve can be adjusted, the angle adjustment is flexible, and therefore, the grinding head can be polished in all directions and at multiple angles. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic view of the three-dimensional structure of the medical adjustable turning grinding head of the embodiment of the utility model.

[0016] Figure 2 is Figure 1 the enlarged structure schematic view of A part in

[0017] Figure 3 is a schematic view of the cross-sectional structure of the medical adjustable turning grinding head of the embodiment of the utility model.

[0018] Figure 4 is Figure 3 is an enlarged structural schematic view of part B in

[0019] Figure 5 is a sectional structural schematic view of the medical adjustable turning grinding head according to an embodiment of the present application.

[0020] Figure 6 is Figure 5 is an enlarged structural schematic view of part C in

[0021] Figure 7 is Figure 5 is an enlarged structural schematic view of part D in

[0022] Figure 8 is a use state structural schematic view of the medical adjustable turning grinding head according to an embodiment of the present application.

[0023] In the figure: handle mechanism 1, sleeve mechanism 2, grinding head mechanism 3,

[0024] handle seat 11, bearing pressing ring 12, bearing 13, handle head 14, bearing stop ring 15,

[0025] support pipe 21, driving pipe 22, driving rod 23, connector 24, driving sleeve 25, screw sleeve 26, driving pipe rear joint 27, driving pressing sleeve 28, positioning sleeve 29, positioning seat 210, driving limiting groove 211, driving limiting block 212,

[0026] grinding head main body 31, grinding head seat 32, grinding head stop ring 33, grinding head clamping block 34, grinding head outer sleeve 35, support frame 36, driving pipe front joint 37, transmission joint 38, universal joint 39, transmission limiting groove 310, transmission limiting block 311, support sliding groove 312, support rotating groove 313, support rotating block 314. DETAILED DESCRIPTION

[0027] The present application will be further described in detail below with reference to the drawings and through embodiments. The following embodiments are an explanation of the present application and the present application is not limited to the following embodiments.

[0028] EMBODIMENT

[0029] Referring to Figures 1 to 8As shown, it is understood that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the implementation of the present application. The conditions, so it has no technical significance, any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effect and the purpose that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application. At the same time, if the words such as "up", "down", "left", "right", "middle" and "one" are used in the specification, they are only for the purpose of clear description, and not for limiting the scope of the present application. The change or adjustment of the relative relationship is also regarded as the scope of the present application without changing the technical content.

[0030] The medical adjustable turning grinding head in the embodiment comprises a handle mechanism 1, a sleeve mechanism 2 and a grinding head mechanism 3, the sleeve mechanism 2 is installed on the handle mechanism 1, and the grinding head mechanism 3 is installed on the sleeve mechanism 2.

[0031] The grinding head mechanism 3 in the embodiment comprises a grinding head main body 31, a grinding head seat 32, a grinding head retaining ring 33, a grinding head clamping block 34, a grinding head sleeve 35, a support frame 36, a driving pipe front connector 37, a transmission connector 38 and a universal joint 39, the support frame 36 is provided with a support sliding groove 312 and a support rotating groove 313, the grinding head main body 31 is installed on the grinding head seat 32, the grinding head seat 32 is installed in the grinding head sleeve 35, that is, the grinding head clamping block 34 is installed on the grinding head seat 32, and the grinding head clamping block 34 is installed in the grinding head sleeve 35 through the grinding head retaining ring 33.

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

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

[0034] The sleeve mechanism 2 in the embodiment comprises a support pipe 21, a driving pipe 22, a driving rod 23, a connector 24, a driving sleeve 25, a screw sleeve 26, a driving pipe rear joint 27, a positioning sleeve 29 and a positioning seat 210, one end of the support pipe 21 is connected with the support frame 36, and the other end of the support pipe 21 is connected with the positioning sleeve 29.

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

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

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

[0038] The driving pressing sleeve 28 and the driving sleeve 25 lock the driving pipe rear joint 27, the driving sleeve 25 is threadedly connected with the handle head 14, the handle head 14 is provided with a driving limiting groove 211, the driving pipe rear joint 27 can be retracted forward and backward by rotating the driving sleeve 25, and the purpose of bending the grinding head sleeve 35 can be achieved.

[0039] The handle mechanism 1 in the embodiment comprises a handle seat 11, a bearing pressing ring 12, a bearing 13, a handle head 14 and a bearing stop ring 15, the inner ring of the bearing 13 is installed on the connector 24 through the bearing stop ring 15, the outer ring of the bearing 13 is installed in the handle head 14, the bearing pressing ring 12 is installed in the handle seat 11, the handle head 14 is installed on the handle seat 11, the outer ring of the bearing 13 abuts against the bearing pressing ring 12, the handle head 14 is threadedly connected with the screw sleeve 26, the handle head 14 is provided with a driving limiting groove 211, a driving limiting block 212 is arranged in the driving limiting groove 211, and the driving limiting block 212 is arranged in an integral structure with the driving pipe rear joint 27.

[0040] The adjusting method of the medical adjustable turning grinding head in the embodiment is as follows: the connector 24 is connected with the driving motor, the connector 24, the driving rod 23, the transmission joint 38, the universal joint 39 and the grinding head base 32 are driven to rotate by the driving motor, the grinding head main body 31 is driven to rotate by the grinding head base 32, when the angle of the grinding head main body 31 is adjusted, the driving sleeve 25 is rotated, the driving sleeve 25 is moved forward and backward along the handle head 14 because the screw sleeve 26 is threadedly connected with the handle head 14, the driving limiting block 212 is moved forward and backward in the driving limiting slot 211 because the driving limiting block 212 is arranged on the driving sleeve 25 through the driving pressing sleeve 28, the driving pipe rear joint 27, the driving pipe 22 and the driving pipe front joint 37 are connected because the driving limiting block 212 and the driving pipe rear joint 27 are arranged in an integral structure, the driving pipe front joint 37 is moved forward and backward in the supporting pipe 21, the grinding head outer sleeve 35 is rotated on the supporting frame 36 when the grinding head outer sleeve 35 is pushed and pulled through the supporting rotating slot 313 and the supporting rotating block 314, the grinding head outer sleeve 35 is rotated on the supporting frame 36 because the driving pipe front joint 37 and the grinding head outer sleeve 35 are rotationally connected, the grinding head main body 31 is arranged on the grinding head base 32, and the grinding head base 32 is arranged on the grinding head outer sleeve 35, so the angle of the grinding head main body 31 can be adjusted.

[0041] In addition, it should be noted that the specific embodiments described in the specification, the shape of the components, the name taken, etc. can be different, and the above described in the specification is only an example of the structure of the utility model. Any equivalent changes or simple changes made according to the structure, features and principles described in the utility model patent concept are included in the protection scope of the utility model patent. The person skilled in the art of the utility model can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as it does not deviate from the structure of the utility model or exceed the range defined by the claims, and it should belong to the protection scope of the utility model.

Claims

1. A medical adjustable turning grinding head, comprising a handle mechanism (1), a sleeve mechanism (2) and a grinding head mechanism (3), the sleeve mechanism (2) is installed on the handle mechanism (1), the grinding head mechanism (3) is installed 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 sleeve (35), a support frame (36), a driving pipe front joint (37), a transmission joint (38) and a universal joint (39), the grinding head body (31) is installed on the grinding head seat (32), the grinding head seat (32) is installed in the grinding head sleeve (35), the grinding head sleeve (35) is installed on the support frame (36), the driving pipe front joint (37) is connected with the grinding head sleeve (35), one end of the universal joint (39) is connected with the grinding head seat (32), and the other end of the universal joint (39) is connected with the transmission joint (38).

2. The medical adjustable turn head of claim 1, wherein: The grinding head mechanism (3) further comprises a grinding head blocking ring (33) and a grinding head clamping block (34), the grinding head clamping block (34) is installed on the grinding head seat (32), and the grinding head clamping block (34) is installed in the grinding head sleeve (35) through the grinding head blocking ring (33).

3. The medical adjustable turn abrasive head of claim 1, wherein: The support frame (36) is provided with a support sliding groove (312), and the driving pipe front joint (37) is located in the support sliding groove (312).

4. The medical adjustable turn head of claim 1, wherein: The grinding head sleeve (35) is provided with a support rotating block (314), the support frame (36) is provided with a support rotating groove (313), and the support rotating block (314) is located in the support rotating groove (313).

5. The medical adjustable turn abrasive head of claim 1, wherein: The sleeve mechanism (2) comprises a support pipe (21), a driving pipe (22), a driving rod (23), a connector (24), a driving sleeve (25), a screw sleeve (26), a driving pipe rear joint (27), a positioning sleeve (29) and a positioning seat (210), one end of the support pipe (21) is connected with the support frame (36), the other end of the support pipe (21) is connected with the positioning sleeve (29), one end of the driving pipe (22) is connected with the driving pipe front joint (37), the other end of the driving pipe (22) is connected with the driving pipe rear joint (27), one end of the driving rod (23) is connected with the transmission joint (38), the other end of the driving rod (23) is connected with the connector (24), the support pipe (21) is sleeved outside the driving pipe (22), the driving pipe (22) is sleeved outside the driving rod (23), the screw sleeve (26), the driving pipe rear joint (27) and the positioning seat (210) are installed on the driving sleeve (25), and the positioning seat (210) is sleeved outside the positioning sleeve (29).

6. The medical adjustable turn head of claim 5, wherein: The driving pipe rear joint (27) is installed in the driving sleeve (25) through a driving pressing sleeve (28).

7. The medical adjustable turn head of claim 5, wherein: One end of the driving rod (23) is provided with a transmission limiting block (311), the transmission limiting block (311) is located in a transmission limiting groove (310), and the transmission limiting groove (310) is arranged on the transmission joint (38).

8. The medical adjustable turn abrasive head of claim 1, wherein: The handle mechanism (1) comprises a handle seat (11), a bearing pressing ring (12), a bearing (13), a handle head (14) and a bearing retainer (15), the inner ring of the bearing (13) is installed on the connector (24) through the bearing retainer (15), the outer ring of the bearing (13) is installed in the handle head (14), the bearing pressing ring (12) is installed in the handle seat (11), the handle head (14) is installed on the handle seat (11), and the outer ring of the bearing (13) abuts against the bearing pressing ring (12).

9. The medical adjustable turn head of claim 8, wherein: The handle head (14) is in threaded connection with a threaded sleeve (26).

10. The medical adjustable turn head of claim 8, wherein: A driving limiting groove (211) is arranged on the handle head (14), a driving limiting block (212) is arranged in the driving limiting groove (211), and the driving limiting block (212) and the driving pipe rear joint (27) are arranged in an integral structure.

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