CN210228250U - Drill bushing clamping device for orthopedics department - Google Patents
Drill bushing clamping device for orthopedics department Download PDFInfo
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- CN210228250U CN210228250U CN201920616010.6U CN201920616010U CN210228250U CN 210228250 U CN210228250 U CN 210228250U CN 201920616010 U CN201920616010 U CN 201920616010U CN 210228250 U CN210228250 U CN 210228250U
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- rod
- clamping block
- drill bushing
- fixed
- clamping
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Abstract
The utility model discloses a drill bushing clamping device for orthopedics, including fixing the fixed head at the dead lever front end, the fixed head comprises two tight piece one, the tight piece of clamp, two arc recesses have all been seted up to the tight piece one of clamp and the tight two one sides that are close to each other of clamp all fixed paste has a rubber pad on the inner wall of arc recess, press from both sides tight piece one, press from both sides and all seted up a through-hole on the tight piece two, the lower surface contact who presss from both sides tight piece one has a fixed block, the last fixed surface of fixed block installs a body of rod one, the upper end fixed mounting of body of rod one has a body of rod two, threaded connection has a thread piece on the body of rod two. Has the advantages that: the fixing head in the clamping device can be detached, so that the drill bushing can be conveniently placed between the two clamping blocks to be clamped and fixed, the drill bushing can better position a drill hole, the drilling precision is improved, and the operation precision is improved.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to an orthopedic drill bushing clamping device.
Background
The bone drilling is a common operation in orthopedics, and a drill sleeve is used for positioning a drill hole in the drilling process so as to improve the drilling precision; the drill bush can be clamped and fixed by means of the clamping device in the using process, the clamping device comprises a fixed rod, a fixed head is fixedly mounted at the end of the fixed rod, two round holes used for inserting the drill bush are formed in the fixed head, and the drill bush is fixed by utilizing friction generated by the holes in contact with the drill bush.
Use for a long time and can make the inner wall in hole wearing and tearing appear to make the drill bushing stable inadequately at downthehole fixed, thereby reduce the drilling location effect that the drill bushing brought, influence the operation precision, reduce wearing and tearing through pasting rubber on the inner wall in hole, but the fixed head can not the split belong to a complete whole, though rubber reduces wearing and tearing, nevertheless also makes the drill bushing be not convenient for install simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems found in the background technology and providing a drill bushing clamping device for orthopedics.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an orthopedics is with drill bushing clamping device, is including fixing the fixed head at the dead lever front end, fixed head is by pressing from both sides tight piece one, pressing from both sides tight piece two and forming, press from both sides tight piece one and press from both sides one side that tight piece two are close to each other and all seted up two arc recesses, four all fixed paste has a rubber pad on the inner wall of arc recess, press from both sides tight piece one, press from both sides and all seted up a through-hole on the tight piece two, the lower surface contact that presss from both sides tight piece one has a fixed block, the last fixed surface of fixed block installs a body of rod one, the upper end fixed mounting of the body of rod one has a body of rod two.
In the drill bushing clamping device for orthopedics, the two through holes are square through holes, and the end surface of the first rod body is also square.
In the drill bushing clamping device for orthopedics, a clamping block is installed at the upper end of the rod body II, a clamping groove is formed in the clamping block, and the rod body II is in threaded connection with the clamping groove.
In the drill bushing clamping device for orthopedics, the clamping block I is symmetrically provided with the first groove and the second groove which are communicated with each other.
In the drill bushing clamping device for orthopedics, the lower end of the second clamping block is fixedly provided with two limiting rods, and the lower ends of the two limiting rods are rotatably connected with a fixing rod through connecting rods.
In the drill bushing clamping device for orthopedics, the width of the lower end face of the limiting rod is equal to the width of the upper surface of the fixing rod, the length of the lower end face of the limiting rod is equal to the length of the upper surface of the fixing rod, the first groove is strip-shaped, the second groove is circular, and the length of the first groove is equal to the diameter of the second groove.
Compared with the prior art, the utility model discloses the advantage lies in:
1: utilize mutual limiting displacement between through-hole, the body of rod one for can only take place keeping away from each other in the vertical direction between the tight piece one of clamp, the tight piece two of clamp, can not take place the ascending rotation in horizontal direction, be convenient for press from both sides the tight fixed to the drill bushing.
2: by means of threaded connection between the thread block and the rod body II, the shortest straight-line distance between the clamping block I and the clamping block II can be adjusted, and the drill bush can be conveniently placed and clamped and fixed after being placed.
3: the first groove and the limiting rod have a limiting effect, so that the first clamping block and the second clamping block can only be separated from each other in the vertical direction, meanwhile, the first clamping block and the second clamping block are matched through the rotatable fixing rod, the first groove and the second groove, the first clamping block and the second clamping block are fixed more stably, and the stability of the drill bushing between the first clamping block and the second clamping block is improved.
To sum up, the fixing head among this clamping device can be split, is convenient for put into the drill bushing between two clamp blocks and presss from both sides tightly fixedly for the drill bushing can be better fix a position drilling, improves drilling precision, improves the operation precision.
Drawings
Fig. 1 is a schematic structural view of an orthopedic drill bushing clamping device provided by the present invention;
FIG. 2 is a top view of the structure of the second portion of the rod body shown in FIG. 1;
FIG. 3 is an enlarged view of the structure of portion A in FIG. 1;
fig. 4 is an enlarged schematic view of the structure of part B in fig. 1.
In the figure: the clamping device comprises a fixing rod 1, a clamping block I2, a clamping block II 3, an arc-shaped groove 4, a through hole 5, a rod I6, a rod II 7, a clamping block 8, a clamping groove 9, a fixing block 10, a threaded block 11, a groove I12, a groove II 13, a limiting rod 14, a connecting rod 15, a fixing rod 16 and a rubber pad 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, a drill bushing clamping device for orthopedics department, including fixing the fixed head at the front end of dead lever 1, the fixed head comprises two tight piece one 2 of clamp, two tight piece two 3 of clamp, two arc recesses 4 have all been seted up to the one side that tight piece one 2 of clamp and tight piece two 3 are close to each other, all fixed the pasting has a rubber pad 17 on the inner wall of four arc recesses 4, the setting of rubber pad 17 avoids the drill bushing outer wall direct and the inner wall of arc recess 4 to take place the contact, utilize the elasticity of rubber pad 17 to carry out the protection of certain degree to the drill bushing when pressing from both sides tight fixed to the drill bushing.
A through hole 5 is formed in each of the first clamping block 2 and the second clamping block 3, the lower surface of the first clamping block 2 is in contact with a fixing block 10, a first rod body 6 is fixedly mounted on the upper surface of the fixing block 10, a second rod body 7 is fixedly mounted at the upper end of the first rod body 6, and a threaded block 11 is connected to the second rod body 7 in a threaded mode.
Two through-holes 5 are square through-holes, and the terminal surface of the body of rod 6 also is square, and square through-hole has a limiting displacement to the body of rod 6 for the body of rod 6 can not be at 5 internal rotations in the through-hole, makes the body of rod 6 can only remove in the vertical direction.
A fixture block 8 is installed at the upper end of the second rod body 7, a clamping groove 9 is formed in the fixture block 8, the second rod body 7 is in threaded connection with the clamping groove 9, the fixture block 8 is arranged to prevent the threaded block 11 from being completely separated from the second rod body 7 in the rotating process, and a fixing mode of threaded connection is adopted between the second rod body 7 and the fixture block 8, so that the two is fixed or the splitting operation is simple and convenient.
Two limiting rods 14 are fixedly arranged at the lower ends of the two clamping blocks 3, the lower ends of the two limiting rods 14 are rotatably connected with a fixed rod 16 through a connecting rod 15, the width of the lower end surface of the limiting rod 14 is equal to the width of the upper surface of the fixed rod 16, the length of the lower end surface of the limiting rod 14 is equal to the length of the upper surface of the fixed rod 16,
two first grooves 12 and two second grooves 13 are symmetrically formed in the first clamping block 2, the first grooves 12 are communicated with the second grooves 13, the first grooves 12 are strip-shaped, the second grooves 13 are circular, the groove length of the first grooves 12 is equal to the diameter of the second grooves 13, and the length of the lower end face of the limiting rod 14 is equal to the groove length of the first grooves 12.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
In the utility model, the second clamping block 3 is jointed with the first clamping block 2 in the initial state, when a drill bushing needs to be placed and fixed, the screw block 11 is first rotated by hand so that the screw block 11 is rotated to the position shown in fig. 1 (at this time, the lower surface of the screw block 11 is separated from the upper surface of the clamping block two 3), a pulling force is applied to the clamping block two 3 by hand, so that the first clamping block 2 and the second clamping block 3 are separated, the drill bushing is placed on the corresponding arc-shaped groove 4, the tension applied to the second clamping block 3 is released, the arc-shaped groove 4 formed in the lower surface of the clamping block II 3 is in contact with the drill bushing, the thread block 11 is rotated by hand, the gap between the clamping block I2 and the clamping block II 3 is reduced, the drill bushing is tightly fixed between the clamping block I2 and the clamping block II 3, and the through hole 5 and the rod body I6 have a limiting effect mutually, so that the clamping block II 3 can only move in the vertical direction;
the inner wall of the first groove 12 plays a limiting role in the limiting rod 14, the second clamping block 3 can only move in the vertical direction, when the first clamping block 2 and the second clamping block 3 are attached, the drill bushing is fastened in the arc-shaped groove 4, the fixing rod 16 completely moves into the second groove 13, the lower surface of the fixing rod 16 is abutted by hands to enable the fixing rod to rotate, the fixing rod 16 cannot penetrate through the first groove 12, a fixing effect also exists between the fixing rod 16 and the first clamping block 2 at the moment, the first clamping block 2 and the second clamping block 3 are fixed more stably, and the drill bushing is further fixed and fastened between the first clamping block 2 and the second clamping block 3.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A drill bushing clamping device for orthopedics, which comprises a fixing head fixed at the front end of a fixing rod (1), it is characterized in that the fixing head consists of a first clamping block (2) and a second clamping block (3), two arc-shaped grooves (4) are respectively arranged at the sides of the first clamping block (2) and the second clamping block (3) which are close to each other, a rubber pad (17) is fixedly stuck on the inner walls of the four arc-shaped grooves (4), the first clamping block (2) and the second clamping block (3) are both provided with a through hole (5), the lower surface of the first clamping block (2) is contacted with a fixed block (10), a first rod body (6) is fixedly arranged on the upper surface of the fixing block (10), the upper end fixed mounting of body of rod one (6) has a body of rod two (7), threaded connection has a screw thread piece (11) on the body of rod two (7).
2. The drill bushing clamping device for orthopedics department of claim 1, characterized in that, both the through holes (5) are square through holes, and the end surface of the first rod body (6) is also square.
3. The drill bushing clamping device for the orthopedics department according to claim 1, characterized in that a clamping block (8) is installed at the upper end of the second rod body (7), a clamping groove (9) is formed in the clamping block (8), and the second rod body (7) is in threaded connection with the clamping groove (9).
4. The drill bushing clamping device for the orthopedics department according to claim 1, characterized in that two grooves I (12) and two grooves II (13) are symmetrically formed in the clamping block I (2), and the grooves I (12) and the grooves II (13) are communicated with each other.
5. The drill bushing clamping device for the orthopedics department of claim 4, characterized in that the lower end of the second clamping block (3) is fixedly provided with two limiting rods (14), and the lower ends of the two limiting rods (14) are rotatably connected with a fixing rod (16) through a connecting rod (15).
6. The drill bushing clamping device for orthopedics department of claim 5, characterized in that the width of the lower end surface of the limiting rod (14) is equal to the width of the upper surface of the fixing rod (16), the length of the lower end surface of the limiting rod (14) is equal to the length of the upper surface of the fixing rod (16), the first groove (12) is strip-shaped, the second groove (13) is circular, and the length of the first groove (12) is equal to the diameter of the second groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920616010.6U CN210228250U (en) | 2019-04-30 | 2019-04-30 | Drill bushing clamping device for orthopedics department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920616010.6U CN210228250U (en) | 2019-04-30 | 2019-04-30 | Drill bushing clamping device for orthopedics department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210228250U true CN210228250U (en) | 2020-04-03 |
Family
ID=69969394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920616010.6U Active CN210228250U (en) | 2019-04-30 | 2019-04-30 | Drill bushing clamping device for orthopedics department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210228250U (en) |
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2019
- 2019-04-30 CN CN201920616010.6U patent/CN210228250U/en active Active
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