CN217244637U - Joint connection structure of electric bone drill for orthopedics department - Google Patents
Joint connection structure of electric bone drill for orthopedics department Download PDFInfo
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- CN217244637U CN217244637U CN202220676077.0U CN202220676077U CN217244637U CN 217244637 U CN217244637 U CN 217244637U CN 202220676077 U CN202220676077 U CN 202220676077U CN 217244637 U CN217244637 U CN 217244637U
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Abstract
The utility model discloses a joint connection structure of electronic bone drill for orthopedics, including the joint Assembly, axle core department at the front end of the connecting axle of joint Assembly opens and has the mounting hole to be used for installing the drill bit, the front end portion of joint Assembly passes the output shaft subassembly, the output shaft subassembly is connected with power component, power component drives the joint Assembly through the output shaft subassembly and rotates, first flat side of hexagonal has been seted up to the inside surface wall of the axle body front end of the output shaft of output shaft subassembly, the front end wall of the axle core of first flat side of hexagonal output shaft extends and forms hexagonal hole, the second flat side of hexagonal with first flat side of hexagonal looks adaptation is seted up to the exterior wall of the axle body front end of joint Assembly's connecting axle, the interval is equipped with the keyway of a plurality of area closed angles on the exterior wall of the axle body of joint Assembly's connecting axle, and the keyway sets up in the rear of second flat side of hexagonal. The utility model has the advantages that: it is rational in infrastructure, make electronic bone drill installation more convenient, labour saving and time saving has improved installation, the combination efficiency of electronic bone drill.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to an orthopedics is with joint connection structure of electronic bone drill.
Background
The electric bone drill for orthopedics department is used for the operations of orthopedics department and trauma surgery, including artificial joint replacement, arthroscopic surgery, joint resection and reconstruction surgery, synovectomy, orthopedic plastic surgery, other joint operations, tumor operations and the like. The bone drill has wide application scenes and complex application modes, and the performance of the bone drill needs to meet the requirements of various operations. When using, bone drill fixed mounting passes the output shaft subassembly at the tip of joint Assembly, and the joint Assembly that the bone bored, and the output shaft subassembly is rotated and can drive joint Assembly by its rotation of power structure drive, and the transmission moment of torsion realizes drilling, grinding function. When the joint component of the existing electric bone drill is connected with the output shaft component, the hexagonal flat square in front of the joint component and the hexagonal flat square at the center of the output shaft are difficult to automatically align, are not easy to insert, waste time and labor, and influence the installation efficiency, so that a new technical scheme is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a joint design of electronic bone drill for orthopedics that has the automatic guide function, makes electronic bone drill simple to operate, labour saving and time saving.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a joint connection structure of electronic bone drill for orthopedics, includes the joint Assembly, and the axle core department at the front end of the connecting axle of joint Assembly opens and has the mounting hole to be used for installing the drill bit, the front end portion of joint Assembly passes the output shaft subassembly, and the output shaft subassembly is connected with power component, and power component drives through the output shaft subassembly the joint Assembly rotates, first flat side of hexagonal has been seted up to the interior table wall of the axle body front end of the output shaft of output shaft subassembly, the front end wall of the axle core of first flat side of hexagonal output shaft extends and forms hexagonal hole, the second flat side of hexagonal with first flat side of hexagonal looks adaptation is seted up to the exterior wall of the axle body front end of joint Assembly's connecting axle, and the keyway sets up in the rear of second flat side of hexagonal on the exterior wall of the axle body of joint Assembly's connecting axle at the interval and is equipped with the keyway of a plurality of sharp angles.
And further:
six key grooves are formed, and the positions of sharp corners at the front ends of the key grooves correspond to the positions of ridge lines of the second hexagonal flat square one by one.
Further:
a cylindrical hole is formed in the shaft body of the output shaft assembly, and a cylindrical pin is arranged in the cylindrical hole.
The cylindrical pin extends into the output shaft of the output shaft assembly for a certain length.
In a still further aspect of the present invention,
the sharp corners of the key slots are formed by intersecting straight lines and smooth convex curves.
Due to the adoption of the technical scheme, compared with the prior art, the utility model have the following advantage:
1. the utility model discloses an electric bone drill's joint connection structure for orthopedics, the first hexagonal flat side and the second hexagonal flat side and the cylindric lock of setting and the keyway of taking the slick and sly closed angle mutually support for joint Assembly and output shaft subassembly are when the equipment, and the keyway closed angle can the autogiration direction after touchhing the cylindric lock, make joint Assembly's the first hexagonal flat side of second hexagonal flat side automatic alignment output shaft subassembly, realize the effect of automatic guidance.
2. The utility model discloses a joint connection structure of electronic bone drill for orthopedics, it is rational in infrastructure, it is more convenient to make the installation of electronic bone drill, labour saving and time saving has improved installation, the combination efficiency of electronic bone drill.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the partial cross-sectional structure of the present invention.
Wherein: 1. the device comprises a joint component, 2, a mounting hole, 3, an output shaft component, 4, a first hexagonal flat square, 5, a hexagonal hole, 6, a second hexagonal flat square, 7, a key groove, 8, a cylindrical hole, 9, a cylindrical pin, 10 and a sharp corner.
Detailed Description
As shown in the figures, as the first embodiment of the utility model, the utility model provides a joint connecting structure of an electric bone drill for orthopedics department, which comprises a joint component 1, a mounting hole 2 is arranged at the axle center of the front end of a connecting axle of the joint component 1 for mounting a drill bit, the front end part of the joint component 1 passes through an output axle component 3, the output axle component 3 is connected with a power component, the power component drives the joint component 1 to rotate through the output axle component 3, the inner surface wall of the front end of the axle body of the output axle component 3 is provided with a first hexagonal flat square 4, the front end wall of the axle core of the output axle extends to form a hexagonal hole 5, the hexagonal hole 5 is used for drilling out the connecting axle of the joint component 1 from the output axle component, the outer surface wall of the front end of the axle body of the connecting axle is provided with a second hexagonal flat square 6 matched with the first hexagonal flat square 4, when the connector component 1 is inserted into the output shaft component 3, the second hexagonal flat square 6 contacts with the first hexagonal flat square 4, in this embodiment, the first hexagonal flat square 4 is a groove body which is formed on a section of the inner surface wall of the front end of the shaft body of the output shaft component 3 through cutting or milling, and the second hexagonal flat square 6 is a cylinder which is formed on the outer surface wall of the front end of the shaft body of the connecting shaft through cutting or milling. A plurality of key grooves 7 with sharp corners are arranged on the outer surface wall of the shaft body of the connecting shaft of the joint component 1 at intervals, and the key grooves 7 are arranged behind the second hexagonal flat square 6.
Preferably, as a second embodiment of the present invention, this embodiment is further limited to the first embodiment, the number of the key grooves 7 is six, the position of the sharp corner at the front end of the key groove 7 corresponds to the position of the ridge line of the second hexagonal flat 6 one by one, and in this embodiment, the sharp corner of the key groove 7 is formed by intersecting a straight line and a smooth convex curve.
Preferably, as the utility model discloses a third embodiment, this embodiment is the further improvement to embodiment one seted up cylinder hole 8 on the axle body of output shaft subassembly 3 the inside cylindric lock 9 that is equipped with of cylinder hole 8, the position of cylindric lock 9 corresponds with the closed angle position of keyway 7 front end, and cylindric lock 9 stretches into the inside certain length of output shaft subassembly.
The utility model discloses an orthopedics is with joint connection structure of electronic bone drill, when the assembly, the second hexagonal flat side 6 of the axle body front end of the connecting axle of joint Assembly 1 inserts inside the first hexagonal flat side 4 of the axle body front end of the output shaft of output shaft assembly 3, and power component passes through output shaft assembly 3 and drives joint Assembly 1 and rotate, transmits the moment of torsion, realizes drilling, grinding function. In the assembling process, the sharp corner at the front end of the key groove 7 can automatically rotate and guide after being collided with the cylindrical pin 9, so that the second hexagonal flat square of the joint component 1 automatically aligns with the first hexagonal flat square of the output shaft component, the automatic guiding effect is realized, the electric bone drill is more convenient to install, time and labor are saved, and the installation and combination effects of the electric bone drill are improved.
The general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a joint connection structure that electronic bone was bored for orthopedics, includes joint assembly (1), and it has mounting hole (2) to be used for installing the drill bit to open in the axle core department of the front end of joint assembly (1) connecting axle, the preceding tip of joint assembly (1) passes output shaft subassembly (3), and output shaft subassembly (3) are connected with power component, and power component passes through output shaft subassembly (3) and drives joint assembly (1) rotates its characterized in that: first hexagonal flat side (4) have been seted up to the interior table wall of the axle body front end of the output shaft of output shaft subassembly (3), first hexagonal flat side (4) extend to the front end wall of the axle core of output shaft and form hexagonal hole (5), the second hexagonal flat side (6) with first hexagonal flat side (4) looks adaptation are seted up to the exterior wall of the axle body front end of the connecting axle of joint subassembly (1), and the interval is equipped with a plurality of keyways (7) of taking closed angle (10) on the exterior table wall of the axle body of the connecting axle of joint subassembly (1), and keyway (7) set up in the rear of second hexagonal flat side (6).
2. The joint connection structure of an electric bone drill for orthopedics according to claim 1, characterized in that: six key grooves (7) are formed, and the positions of sharp corners at the front ends of the key grooves (7) correspond to the positions of ridge lines of the second hexagonal flat square (6) one by one.
3. The joint connection structure of an electric bone drill for orthopedics department according to claim 1, characterized in that: the output shaft of the output shaft assembly (3) is provided with a cylindrical hole (8), and a cylindrical pin (9) is arranged in the cylindrical hole (8).
4. A joint connection structure of an electric bone drill for orthopedics according to claim 1 or 2, characterized in that: the sharp angle of the key slot (7) is formed by intersecting a straight line and a smooth convex curve.
5. The joint connection structure of an electric bone drill for orthopedics according to claim 3, characterized in that: the cylindrical pin (9) extends into the output shaft of the output shaft assembly (3) for a certain length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220676077.0U CN217244637U (en) | 2022-03-26 | 2022-03-26 | Joint connection structure of electric bone drill for orthopedics department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220676077.0U CN217244637U (en) | 2022-03-26 | 2022-03-26 | Joint connection structure of electric bone drill for orthopedics department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217244637U true CN217244637U (en) | 2022-08-23 |
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ID=82872463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220676077.0U Active CN217244637U (en) | 2022-03-26 | 2022-03-26 | Joint connection structure of electric bone drill for orthopedics department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217244637U (en) |
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2022
- 2022-03-26 CN CN202220676077.0U patent/CN217244637U/en active Active
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