CN216933362U

CN216933362U - Medical orthopedics triangle quick change drill bit that is convenient for change

Info

Publication number: CN216933362U
Application number: CN202122725429.5U
Authority: CN
Inventors: 郭洪兵; 李波; 方红林
Original assignee: Zhangjiagang Kangda Medical Technology Co ltd
Current assignee: Zhangjiagang Kangda Medical Technology Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-07-12
Anticipated expiration: 2031-11-09

Abstract

The utility model belongs to the technical field of orthopedics, and particularly relates to a triangular quick-change drill bit convenient to replace for medical orthopedics, which aims at the problems that the existing device is simple in structure and cannot be adjusted according to the needs of a user. The drill bit has the advantages of being convenient to replace and install and adjusting the sizes and the lengths of different drill bits.

Description

Medical orthopedics triangle quick change drill bit that is convenient for change

Technical Field

The utility model relates to the technical field of orthopedics, in particular to a triangle quick-change drill bit convenient to replace for medical orthopedics.

Background

Fracture is a kind of injury that often appears in human activities, and through the development of science and technology, the fracture injury can be recovered through the operation. Along with the increase of the requirements of fracture surgery, a doctor needs to carry out a plurality of fracture treatment surgeries a day, the time and the physical strength are consumed, the doctor needs to drill a hole at the position of a bone to be treated by an electric drill in the fracture treatment surgery process, then the depth of the drilled hole is measured by a depth measuring ruler, a proper screw is selected according to the measured depth, and finally a screwdriver is used for installing a fixing screw.

Traditional medical treatment drill bit structure is comparatively simple, and the integral type structure during usual, tunnelling head, connecting rod and joint formula as an organic whole, and in the use of reality, the doctor need change the drill bit according to the condition of difference, need use the connecting rod of the tunnelling head of equidimension not or different length, because traditional device is the integral type, and then just need carry out integral replacement, trouble very to it.

SUMMERY OF THE UTILITY MODEL

The utility model provides a triangular quick-change drill bit convenient to replace for medical orthopedics, which solves the problems that a traditional device is simple in structure and cannot be adjusted according to the needs of a user.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a triangle quick change drill bit that medical orthopedics is convenient for change, including the transfer line, the bottom of transfer line is provided with the tunnelling head, the center department outer wall of transfer line encircles and is provided with around the groove, the top of transfer line is provided with the connector, the top fixedly connected with dead lever of tunnelling head, the inside center department of dead lever runs through and is provided with the screw hole, the inside of screw hole all is connected with fixing bolt through screw thread rotation, the outer wall of connector is and encircles and is provided with a plurality of flexible pieces, the connector is close to and is connected with the mutual sliding connection of transfer line, and the top of transfer line is seted up flutedly, recess internally mounted has flexible subassembly.

Preferably, the telescopic assembly comprises telescopic springs and a sliding piece insertion rod, the sliding piece is in sliding connection with the transmission rod inside, one side of the sliding piece away from the connector is fixedly connected with the telescopic springs, and one side of the sliding piece close to the connector is fixed with the insertion rod.

Preferably, the one end that telescopic spring kept away from the slide piece and the inside recess mutual fixed connection of transfer line, the inside recess and the connector mutual sliding connection of transfer line, the one end that the connector is close to the transfer line is the prism form, and the one end that the connector is close to the transfer line is through screw thread and insert pole reciprocal anchorage.

Preferably, a clamping groove corresponding to the fixing rod is formed in one end, close to the tunneling head, of the transmission rod, threaded holes are formed in the centers of the side walls of the fixing rod, the inner portion of each threaded hole is conical, and the fixing bolt is connected with the threaded holes in a rotating mode.

Preferably, the inside through hole that corresponds each other with fixing bolt that is provided with of transfer line lateral wall, fixing bolt pass through the screw thread and are connected with the through hole rotation each other, and fixing bolt is close to the one end outer wall of through hole and is the column, and fixing bolt is close to the one end of screw hole and is the toper, and the screw hole is inside to be provided with the screw thread that corresponds each other with fixing bolt, and the inside dwang that is provided with of one end of the screw hole that fixing bolt kept away from.

Preferably, the transmission rod is provided with a plurality of extrusion blocks in a sliding manner in a groove at one end close to the connector, the outer wall of the connector is connected with a plurality of telescopic blocks in a sliding manner at the positions corresponding to the extrusion blocks, and the telescopic blocks are provided with extrusion springs close to one end inside the connector.

Preferably, the transmission rod is cylindrical, the diameter of the transmission rod is smaller than the outer diameter of the tunneling head, and the connector is far away from the transmission rod and is provided with a fixing groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the connector needs to be replaced, the extrusion block can be pressed towards the inside of the transmission rod, so that the extrusion block drives the telescopic block to extrude and move, the connector is released from being fixed with the groove of the transmission rod, the sliding sheet can be well pushed to move towards the connector under the driving of the telescopic spring, so that the connector is pushed out of the groove of the transmission rod, the separation of the transmission rod and the connector can be well realized, the operation is very simple and convenient, meanwhile, when the connector is replaced and installed, the selected transmission rod can be moved towards one end of the connector, so that the groove in the transmission rod corresponds to the connector, the connector is moved into the transmission rod through extrusion, so that the insertion rod corresponds to the connector, meanwhile, the telescopic block is contracted into the connector through extrusion at the edge of the groove, when the telescopic block is moved to the position of the extrusion block, the extrusion block can be ejected out to realize the fixation with the transmission rod without manual secondary fixation.

2. When different tunneling heads need to be replaced, the rotating rod can be rotated, so that the fixing bolt in the through hole is driven to rotate, the fixing bolt is connected with the threaded hole in the fixing rod in a releasing mode, the fixing bolt and the fixing rod are made to be released from fixing, the tunneling head can be pulled at the moment, the connection between the tunneling head and the transmission rod is released, the tunneling head can be conveniently replaced, meanwhile, the threaded hole is conical, and therefore the tunneling head can be well connected with the fixing bolt when in use, the contact area is increased, and sliding is prevented.

Drawings

FIG. 1 is a schematic view of a triangular quick-change drill bit for medical orthopedics department, which is provided by the present invention and is convenient to replace;

FIG. 2 is a side view of a triangular quick-change drill bit structure for medical orthopedics convenient to replace, which is provided by the utility model;

fig. 3 is a sectional view of a structure of a triangular quick-change drill bit telescopic assembly which is convenient to replace and used in medical orthopedics department, provided by the utility model;

fig. 4 is a schematic view of the internal structure of a triangular quick-change drill bit for medical orthopedics convenient to replace.

In the figure: 1. a transmission rod; 2. a heading head; 3. a surrounding groove; 4. a connector; 5. fixing the rod; 6. a threaded hole; 7. fixing the bolt; 701. rotating the rod; 8. a telescoping assembly; 801. a tension spring; 802. a slider; 803. an insertion rod; 9. a telescopic block; 10. extruding the block; 11. Fixing grooves; 12. a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a triangle quick change drill bit that medical orthopedics is convenient for change, including transfer line 1, the bottom of transfer line 1 is provided with tunnelling head 2, the center department outer wall of transfer line 1 encircles and is provided with around groove 3, the top of transfer line 1 is provided with connector 4, the top fixedly connected with dead lever 5 of tunnelling head 2, the inside center department of dead lever 5 runs through and is provided with screw hole 6, the inside of screw hole 6 all is connected with fixing bolt 7 through the screw thread rotation, the outer wall of connector 4 is to be encircleing and is provided with a plurality of flexible pieces 9, connector 4 is close to and is connected with transfer line 1 mutual sliding, and the top of transfer line 1 is seted up flutedly, recess internally mounted has telescopic component 8.

Further, in the above technical solution, the telescopic assembly 8 includes a telescopic spring 801 and a sliding plate 802 inserted into the rod 803, and the sliding plate 802 is slidably connected to the inside of the transmission rod 1, one side of the sliding plate 802 away from the connector 4 is fixedly connected to the telescopic spring 801, and one side of the sliding plate 802 close to the connector 4 is fixed to the inserted rod 803.

Further, in the above technical solution, one end of the telescopic spring 801 far away from the sliding plate 802 is fixedly connected with an internal groove of the transmission rod 1, the internal groove of the transmission rod 1 is slidably connected with the connector 4, one end of the connector 4 close to the transmission rod 1 is prism-shaped, and one end of the connector 4 close to the transmission rod 1 is fixed with the insertion rod 803 through a thread.

Further, in the above technical scheme, a clamping groove corresponding to the fixing rod 5 is formed in one end, close to the tunneling head 2, of the transmission rod 1, a threaded hole 6 is formed in the center of the side wall of the fixing rod 5, the interior of the threaded hole 6 is conical, and the fixing bolt 7 is rotatably connected with the threaded hole 6.

Furthermore, in the above technical solution, a through hole 12 corresponding to the fixing bolt 7 is provided inside the side wall of the transmission rod 1, the fixing bolt 7 is rotatably connected with the through hole 12 through a thread, the outer wall of one end of the fixing bolt 7 close to the through hole 12 is columnar, one end of the fixing bolt 7 close to the threaded hole 6 is conical, the thread corresponding to the fixing bolt 7 is provided inside the threaded hole 6, a rotating rod 701 is provided inside one end of the threaded hole 6 away from the fixing bolt 7, the rotating rod 701 is rotated, and the fixing bolt 7 inside the through hole 12 is further driven to rotate, so that the fixing bolt 7 is disconnected from the threaded hole 6 inside the fixing rod 5.

Furthermore, in the above technical scheme, a plurality of extrusion blocks 10 are slidably disposed inside a groove at one end of the transmission rod 1 close to the connector 4, a plurality of telescopic blocks 9 are slidably connected to positions where the outer wall of the connector 4 and the extrusion blocks 10 correspond to each other, an extrusion spring is disposed at one end of each telescopic block 9 close to the inside of the connector 4, the extrusion blocks 10 are pressed inside the transmission rod 1, and then the extrusion blocks 10 drive the telescopic blocks 9 to extrude and move, so that the connector 4 is released from being fixed with the groove of the transmission rod 1.

Further, among the above-mentioned technical scheme, transfer line 1 is cylindrical, and the diameter of transfer line 1 is less than the outside diameter of tunnelling head 2, and connector 4 is kept away from transfer line 1 and is provided with fixed slot 11, and fixed slot 11 removes to make fixed slot 11 drive connector 4 and remove, and then make connector 4 drive tunnelling head 2 rotation through transfer line 1, realize work.

When the drill bit is used, the drill bit can be connected with a traditional bone surgery drilling machine through the fixing groove 11 of the connector 4, the drill bit is the same as a common drill bit structure, special equipment is not required to be used for fixing, the drill bit is convenient to install and connect by a user, the drill bit can be started when the drill bit is used, the fixing groove 11 is driven to move through the drill bit, the connector 4 is driven to move by the fixing groove 11, the connector 4 is driven to rotate by the driving rod 1, the driving head 2 is driven to rotate by the connector 4, work is achieved, when the drill bit needs to be replaced, the extrusion block 10 can be pressed into the driving rod 1, the extrusion block 10 drives the expansion block 9 to extrude and move, the connector 4 is released from being fixed with the groove of the driving rod 1, the sliding piece 802 can be well pushed to move towards the connector 4 under the driving of the expansion spring 801, and the connector 4 is ejected out of the groove of the driving rod 1, at the moment, the separation of the transmission rod 1 and the connector 4 can be well realized, the operation is very simple and convenient, meanwhile, when the replacement and installation are carried out, the selected transmission rod 1 can be moved to one end of the connector 4, so that the groove in the transmission rod 1 corresponds to the connector 4, the connector 4 is moved to the inside of the transmission rod 1 by extrusion, the insertion rod 803 corresponds to the connector 4, meanwhile, the expansion block 9 is contracted to the inside of the connector 4 by the extrusion of the edge of the groove, when the expansion block 9 moves to the position of the extrusion block 10, the extrusion block 10 can be popped outwards to realize the fixation with the transmission rod 1, the manual secondary fixation is not needed, when different tunneling heads 2 need to be replaced, the rotating rod 701 can be rotated to drive the fixing bolt 7 in the through hole 12 to rotate, and then the fixing bolt 7 is disconnected with the threaded hole 6 in the fixing rod 5, and then make fixing bolt 7 and dead lever 5 remove fixedly, at this moment can stimulate the tunnelling head 2, has removed the connection of tunnelling head 2 and transfer line 1, just can be convenient change, simultaneously because screw hole 6 is the toper, and then can increase area of contact with the fine connection of fixing bolt 7 when using, prevent to slide.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a triangle quick change drill bit that medical orthopedics is convenient for change, including transfer line (1), a serial communication port, the bottom of transfer line (1) is provided with tunnelling head (2), the center department outer wall of transfer line (1) is encircleed and is provided with around groove (3), the top of transfer line (1) is provided with connector (4), top fixedly connected with dead lever (5) of tunnelling head (2), the inside center department of dead lever (5) runs through and is provided with screw hole (6), the inside of screw hole (6) all is connected with fixing bolt (7) through the screw rotation, the outer wall of connector (4) is to be encircleing and is provided with a plurality of flexible pieces (9), connector (4) are close to and transfer line (1) mutual sliding connection, and the top of transfer line (1) is seted up flutedly, recess internally mounted has flexible subassembly (8).

2. The triangular quick-change drill bit for medical orthopedics convenient replacement is characterized in that the telescopic assembly (8) comprises a telescopic spring (801) and a sliding plate (802) and an insertion rod (803), the sliding plate (802) is mutually and slidably connected with the inner part of the transmission rod (1), one side of the sliding plate (802) far away from the connector (4) is fixedly connected with the telescopic spring (801), and one side of the sliding plate (802) close to the connector (4) is mutually fixed with the insertion rod (803).

3. The triangular quick-change drill bit for medical orthopedics convenient replacement according to claim 2, characterized in that the end of the telescopic spring (801) far away from the sliding plate (802) is fixedly connected with the inner groove of the transmission rod (1), the inner groove of the transmission rod (1) is slidably connected with the connector (4), the end of the connector (4) close to the transmission rod (1) is prism-shaped, and the end of the connector (4) close to the transmission rod (1) is fixed with the insertion rod (803) through threads.

4. The triangle quick-change drill bit convenient to replace for the medical orthopedics department as claimed in claim 1, characterized in that a clamping groove corresponding to the fixing rod (5) is formed inside one end of the transmission rod (1) close to the tunneling head (2), threaded holes (6) are formed in the centers of the side walls of the fixing rod (5), the threaded holes (6) are tapered inside, and the fixing bolt (7) and the threaded holes (6) are rotatably connected with each other.

5. The triangle quick-change drill bit convenient to replace for the medical orthopedics department according to claim 1, characterized in that a through hole (12) corresponding to the fixing bolt (7) is arranged inside the side wall of the transmission rod (1), the fixing bolt (7) is rotatably connected with the through hole (12) through threads, the outer wall of one end, close to the through hole (12), of the fixing bolt (7) is columnar, one end, close to the threaded hole (6), of the fixing bolt (7) is conical, the threads corresponding to the fixing bolt (7) are arranged inside the threaded hole (6), and a rotating rod (701) is arranged inside one end, far away from the fixing bolt (7), of the threaded hole (6).

6. The triangular quick-change drill bit convenient to replace for medical orthopedics department according to claim 1, characterized in that a plurality of extrusion blocks (10) are slidably arranged inside a groove at one end of the transmission rod (1) close to the connector (4), a plurality of telescopic blocks (9) are slidably connected to positions of the outer wall of the connector (4) corresponding to the extrusion blocks (10), and an extrusion spring is arranged at one end of each telescopic block (9) close to the inside of the connector (4).

7. The triangular quick-change drill bit convenient to replace for the medical orthopedics department according to claim 1 is characterized in that the transmission rod (1) is cylindrical, the diameter of the transmission rod (1) is smaller than the outer diameter of the tunneling head (2), and the fixing groove (11) is formed in the position, away from the transmission rod (1), of the connector (4).