CN216754542U

CN216754542U - Medical electric drill saw

Info

Publication number: CN216754542U
Application number: CN202123110591.2U
Authority: CN
Inventors: 汤洪椿; 庞慧; 张翀
Original assignee: Guangzhou Fengfan Medical Technology Co ltd
Current assignee: Guangzhou Fengfan Medical Technology Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-17
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a medical electric drill saw, which comprises an electric drill saw body, wherein a rotating head is arranged on one side of the outer surface of the electric drill saw body, a rotating head connecting groove is arranged on the outer side of the rotating head, the rotating head connecting groove is positioned in the middle of the rear end surface of an electric drill chuck and extends into the electric drill chuck, an opening extending into the rotating head is arranged on one side of each of the upper end surface and the lower end surface of the rotating head, a limiting groove is arranged on each of two sides of the inner wall of the opening, a limiting plate is arranged in the opening, two sides of the outer surface of the limiting plate are closely attached to the inner wall of the limiting groove, a spring A positioned in the opening is connected to each of two sides of the lower end surface of the limiting plate, a rectangular fixing block is fixedly arranged on the upper end surface of the limiting plate, and most parts of the rectangular fixing block are positioned in a rectangular fixing groove. The medical electric drill saw can replace the chuck of the electric drill more conveniently, quickly and safely.

Description

Medical electric drill saw

Technical Field

The utility model relates to the technical field of electric drill saws, in particular to a medical electric drill saw.

Background

With the increasingly rapid development of life needs and technological progress of people, the medical electric drill saw is a drilling machine using electricity as power, is a conventional product in medical tools, and is mainly used in orthopedics department and operating rooms in hospitals.

However, the conventional electric drill chuck for the medical electric drill saw is connected with the rotary head through double threads, after the screw is taken down, a hexagonal wrench needs to be inserted into the electric drill chuck, and then the thread fixing of the second layer is released by knocking the hexagonal wrench, so that the operation of the process is complicated, and the inner wall of the electric drill chuck is easily damaged; therefore, the existing requirements are not met, and a medical electric drill saw is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a medical electric drill saw, which aims to solve the problems that the electric drill chuck of the original medical electric drill saw is connected with a rotating head through double threads, a hexagonal wrench needs to be inserted into the electric drill chuck after a screw is taken down, and then the thread fixation of a second layer is released by knocking the hexagonal wrench, so that the operation of the process is complicated, the inner wall of the electric drill chuck is easy to damage, and the like.

In order to achieve the purpose, the utility model provides the following technical scheme: a medical electric drill saw comprises an electric drill saw body, wherein a rotating head is arranged on one side of the outer surface of the electric drill saw body, a rotating head connecting groove is formed in the outer side of the rotating head, the rotating head connecting groove is located in the middle of the rear end face of an electric drill chuck and extends into the electric drill chuck, an opening extending into the rotating head is formed in one side of the upper end face and the lower end face of the rotating head, a limiting groove is formed in each side of the inner wall of the opening, a limiting plate is arranged in each side of the opening, each side of the outer surface of the limiting plate is closely attached to the inner wall of the limiting groove, a spring A located in each side of the lower end face of the limiting plate is connected to each side of the opening, a rectangular fixing block is fixedly arranged on the upper end face of the limiting plate, most of the rectangular fixing block is located in each rectangular fixing groove, the rectangular fixing groove is located in the inner wall of the rotating head connecting groove and extends into the shell of the electric drill saw body, two one side of rectangle fixed slot inner wall all is equipped with a guide way, communicate with each other through the guide way between the inside of rectangle fixed slot and the outside of electric drill chuck, one side of terminal surface all is equipped with a spread groove about the electric drill chuck, the other end of spread groove extends to the inner wall of rectangle fixed slot, the inside of spread groove is equipped with the propelling movement axle, the inner wall of spread groove is equipped with the cylindrical spacing groove that extends to electric drill chuck shell inside, the inside of cylindrical spacing groove is equipped with the spacing ring that fixed cover was located the propelling movement axle surface, the lower terminal surface of spacing ring is connected with the spring B that the cover was located the propelling movement axle surface.

Preferably, one end of the rotating head extends to the inside of the electric drill saw body, and the rotating head is connected with the electric drill saw body through a roller bearing.

Preferably, the intermediate position of terminal surface is equipped with the centre gripping groove before the electric drill chuck, one side of centre gripping inslot wall is equipped with the internal thread opening, the intermediate position of terminal surface is equipped with the internal thread fixed slot that extends to the rotating head inside before the rotating head, the inside of internal thread fixed slot and internal thread opening is equipped with a screw, the fixed centre gripping in inside of centre gripping groove has the drill bit.

Preferably, the rectangular fixing block corresponds to the rectangular fixing groove in shape, and the outer surface of the rectangular fixing block is closely attached to the inner wall of the guide groove.

Preferably, the pushing shaft is fixedly connected with the limiting ring through socket joint, and the outer surface of the pushing shaft is closely attached to the inner wall of the connecting groove.

Preferably, the outer surface of the limiting plate is closely attached to the inner wall of the limiting groove, and the limiting plate is connected with the rectangular fixing block through welding.

Preferably, the internal thread of internal thread opening and internal thread fixed slot is unanimous, the surface of screw spreads all over the external screw thread, the external screw thread of screw all corresponds each other with the internal thread of internal thread opening and internal thread fixed slot.

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

1. according to the electric drill chuck, the clamping structure is used for replacing the second-layer threaded connection, the clamping and fixing state of the grooves can be conveniently and quickly released through the pushing structure, the steps of assembling and disassembling the electric drill chuck are reduced, the connection strength between the structures and the sealing performance between the structures are guaranteed, and therefore the working efficiency of assembling personnel is improved;

2. according to the utility model, the two sides of the inlet of the rotating head connecting groove are respectively provided with the guide groove, the inside of the rectangular fixing groove is communicated with the outside of the electric drill chuck through the guide grooves, the positions of the guide grooves correspond to the positions of the rectangular fixing blocks, when the electric drill chuck needs to be installed, the two rectangular fixing blocks are respectively aligned to the two guide grooves, then the rotating head is inserted into the rotating head connecting groove, when the rotating head completely enters the inside of the rotating head connecting groove, preliminary fixing is finished, and through the design, the electric drill chuck can be more conveniently fixed by workers.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a front view of the overall structure of the present invention, partially viewed from the inside;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A according to the present invention;

fig. 4 is an enlarged view of the structure of fig. 3 at B according to the present invention.

In the figure: 1. an electric drill saw body; 2. a drill bit; 3. rotating the head; 4. an electric drill chuck; 5. a clamping groove; 6. an internal thread through opening; 7. a screw; 8. an internal thread fixing groove; 9. a port; 10. a limiting groove; 11. a limiting plate; 12. a spring A; 13. a rectangular fixed block; 14. a guide groove; 15. a rectangular fixing groove; 16. connecting grooves; 17. a cylindrical limiting groove; 18. a limiting ring; 19. a push shaft; 20. a spring B; 21. the rotating head is connected with the groove.

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.

The electric drill saw body 1 (the model is_II) Drill bit 2 (model XBZ05) and spring a12 (model JX110) are commercially available or custom made.

Referring to fig. 1 to 4, an embodiment of the present invention includes: a medical electric drill saw comprises an electric drill saw body 1, wherein one side of the outer surface of the electric drill saw body 1 is provided with a rotating head 3, the outer side of the rotating head 3 is provided with a rotating head connecting groove 21, the rotating head connecting groove 21 is positioned in the middle of the rear end surface of an electric drill chuck 4 and extends to the inside of the electric drill chuck 4, one side of the upper end surface and the lower end surface of the rotating head 3 is provided with a through hole 9 extending to the inside of the rotating head 3, two sides of the inner wall of the through hole 9 are provided with a limiting groove 10, a limiting plate 11 is arranged inside the through hole 9, two sides of the outer surface of the limiting plate 11 are closely attached to the inner wall of the limiting groove 10, two sides of the lower end surface of the limiting plate 11 are connected with a spring A12 positioned inside the through hole 9, the upper end surface of the limiting plate 11 is fixedly provided with a rectangular fixing block 13, most part of the rectangular fixing block 13 is positioned inside the rectangular fixing groove 15, the rectangular fixing groove 15 is positioned on the inner wall of the rotating head connecting groove 21 and extends to the inside of the shell of the electric drill saw body 1, one side of two rectangle fixed slot 15 inner walls all is equipped with a guide way 14, communicate with each other through guide way 14 between the inside of rectangle fixed slot 15 and the outside of electric drill chuck 4, one side of terminal surface all is equipped with a spread groove 16 about electric drill chuck 4, the other end of spread groove 16 extends to the inner wall of rectangle fixed slot 15, the inside of spread groove 16 is equipped with propelling movement axle 19, the inner wall of spread groove 16 is equipped with the cylindrical spacing groove 17 that extends to electric drill chuck 4 shell inside, the inside of cylindrical spacing groove 17 is equipped with fixed cover and locates the spacing ring 18 of propelling movement axle 19 surface, the lower terminal surface of spacing ring 18 is connected with the spring B20 that the cover was located propelling movement axle 19 surface.

Further, one end of the rotating head 3 extends to the inside of the electric drill saw body 1, and the rotating head 3 is connected with the electric drill saw body 1 through a roller bearing.

Through adopting above-mentioned technical scheme, can rotate rotary head 3 through electronic brill saw body 1.

Further, the intermediate position of terminal surface is equipped with centre gripping groove 5 before electric drill chuck 4, and one side of centre gripping groove 5 inner wall is equipped with internal thread opening 6, and the intermediate position of terminal surface is equipped with the internal thread fixed slot 8 that extends to 3 inside of rotating head before 3 rotating heads, and the inside of internal thread fixed slot 8 and internal thread opening 6 is equipped with a screw 7, and the inside fixed centre gripping of centre gripping groove 5 has drill bit 2.

By adopting the technical scheme, the drill bit 2 can be fixed through the clamping groove 5.

Further, the rectangular fixing block 13 has a shape corresponding to the rectangular fixing groove 15, and the outer surface of the rectangular fixing block 13 is closely attached to the inner wall of the guide groove 14.

By adopting the technical scheme, the rectangular fixing block 13 can be fixed through the rectangular fixing groove 15.

Further, the pushing shaft 19 is fixedly connected with the limiting ring 18 through socket joint, and the outer surface of the pushing shaft 19 is closely attached to the inner wall of the connecting groove 16.

By adopting the technical scheme, the pushing shaft 19 can be prevented from falling off through the limiting ring 18.

Further, the outer surface of the limiting plate 11 is closely attached to the inner wall of the limiting groove 10, and the limiting plate 11 is connected with the rectangular fixing block 13 through welding.

Through adopting above-mentioned technical scheme, can prevent through limiting plate 11 that fixed block 13 from droing.

Further, the internal thread of internal thread opening 6 and internal thread fixed slot 8 is unanimous, and the surface of screw 7 spreads throughout the external screw thread, and the external screw thread of screw 7 all corresponds each other with the internal thread of internal thread opening 6 and internal thread fixed slot 8.

Through adopting above-mentioned technical scheme, can fix electric drill chuck 4 completely through screw 7, internal thread through opening 6 and internal thread fixed slot 8.

The working principle is as follows: when the electric drill chuck 4 is in a fixed state, a guide groove 14 is arranged in the middle of the rear end face of the electric drill chuck 4, a rotating head 3 is arranged in the guide groove 14, one side of the upper end face and the lower end face of the rotating head 3 are respectively provided with a through hole 9, two sides of the inner wall of each through hole 9 are respectively provided with a limiting groove 10, a limiting plate 11 is arranged in each through hole 9, two sides of the outer surface of each limiting plate 11 are closely attached to the inner wall of each limiting groove 10, two sides of the lower end face of each limiting plate 11 are respectively connected with a spring A12, the upper end face of each limiting plate 11 is fixedly provided with a rectangular fixing block 13, most of which is positioned in each rectangular fixing groove 15, each rectangular fixing groove 15 is positioned on the inner wall of the rotating head connecting groove 21 and extends to the inside of the shell of the electric drill chuck 4, and at the moment, the rectangular fixing blocks 13 connected with the through the springs A12 are in an outward ejecting state and are fixed in the rectangular fixing grooves 15, the middle position of the front end face of the electric drill chuck 4 is provided with a clamping groove 5, one side of the inner wall of the clamping groove 5 is provided with an internal thread through hole 6, the inside of the clamping groove 5 is communicated with the inside of the guide groove 14 through the internal thread through hole 6, the middle position of the front end face of the rotating head 3 is provided with an internal thread fixing groove 8, the internal thread through hole 6 corresponds to the internal thread fixing groove 8, if a screw 7 is arranged inside the internal thread through hole 6 and the internal thread fixing groove 8, the electric drill chuck 4 is in a completely fixed state, when the electric drill chuck 4 needs to be disassembled, the screw 7 is firstly disassembled through a screwdriver, then a pushing shaft 19 inside a connecting groove 16 on the outer surface of the electric drill chuck 4 is pressed, then the pushing shaft 19 is pushed inwards, the rectangular fixing groove 15 is communicated with the connecting groove 16, the pushing shaft 19 can contact with the rectangular fixing block 13 along with the movement of the pushing shaft 19, and when the pushing shaft 19 contacts with the rectangular fixing block 13 and the pushing shaft 19 continues to descend Can be pushed away from the inside of the rectangular fixed groove 15, when two rectangular fixed blocks 13 are completely separated from the inside of the rectangular fixed groove 15, the fixed state is released, then the electric drill chuck 4 can be directly taken down, two sides of the entrance of the rotating head connecting groove 21 are respectively provided with a guide groove 14, the inside of the rectangular fixed groove 15 is communicated with the outside of the electric drill chuck 4 through the guide grooves 14, the position of the guide groove 14 corresponds to the position of the rectangular fixed block 13, when the electric drill chuck 4 needs to be installed, the two rectangular fixed blocks 13 are respectively aligned to the two guide grooves 14, then the rotating head 3 is inserted into the inside of the rotating head connecting groove 21, when the rotating head 3 completely enters the inside of the rotating head connecting groove 21, the preliminary fixing is completed, then the screw 7 is connected, the electric drill chuck 4 can be more conveniently and rapidly disassembled through the design, and the guidance is provided for the installation of the electric drill chuck 4, thereby improving the working efficiency of the assembling personnel.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a medical electric drill saw, includes electric drill saw body (1), its characterized in that: one side of the outer surface of the electric drill saw body (1) is provided with a rotating head (3), the outer side of the rotating head (3) is provided with a rotating head connecting groove (21), the rotating head connecting groove (21) is located in the middle of the rear end face of an electric drill chuck (4) and extends to the inside of the electric drill chuck (4), one side of the upper end face and the lower end face of the rotating head (3) is provided with a through hole (9) extending to the inside of the rotating head (3), two sides of the inner wall of the through hole (9) are provided with a limiting groove (10), a limiting plate (11) is arranged inside the through hole (9), two sides of the outer surface of the limiting plate (11) are closely attached to the inner wall of the limiting groove (10), two sides of the lower end face of the limiting plate (11) are connected with a spring A (12) located inside the through hole (9), and the upper end face of the limiting plate (11) is fixedly provided with a rectangular fixing block (13), the most of rectangle fixed block (13) is located the inside of rectangle fixed slot (15), rectangle fixed slot (15) is located the inner wall of rotating head spread groove (21) and extends to the inside of electric drill saw body (1) shell, two one side of rectangle fixed slot (15) inner wall all is equipped with a guide way (14), communicate with each other through guide way (14) between the inside of rectangle fixed slot (15) and the outside of electric drill chuck (4), one side of terminal surface all is equipped with a spread groove (16) about electric drill chuck (4), the other end of spread groove (16) extends to the inner wall of rectangle fixed slot (15), the inside of spread groove (16) is equipped with propelling movement axle (19), the inner wall of spread groove (16) is equipped with the cylindrical spacing groove (17) that extends to electric drill chuck (4) shell inside, the inside of cylindrical spacing groove (17) is equipped with fixed cover and locates spacing ring (18) of propelling movement axle (19) surface, the lower end face of the limiting ring (18) is connected with a spring B (20) sleeved on the outer surface of the pushing shaft (19).

2. The medical electric drill saw according to claim 1, wherein: one end of the rotating head (3) extends into the electric drill saw body (1), and the rotating head (3) is connected with the electric drill saw body (1) through a roller bearing.

3. The medical electric drill saw according to claim 1, wherein: the intermediate position of terminal surface is equipped with centre gripping groove (5) before electric drill chuck (4), one side of centre gripping groove (5) inner wall is equipped with internal thread opening (6), the intermediate position of terminal surface is equipped with the internal thread fixed slot (8) that extend to rotating head (3) inside before rotating head (3), the inside of internal thread fixed slot (8) and internal thread opening (6) is equipped with one screw (7), the fixed centre gripping in inside of centre gripping groove (5) has drill bit (2).

4. The medical electric drill saw according to claim 1, wherein: the shape of the rectangular fixing block (13) corresponds to that of the rectangular fixing groove (15), and the outer surface of the rectangular fixing block (13) is closely attached to the inner wall of the guide groove (14).

5. The medical electric drill saw according to claim 1, wherein: the pushing shaft (19) is fixedly connected with the limiting ring (18) through socket joint, and the outer surface of the pushing shaft (19) is closely attached to the inner wall of the connecting groove (16).

6. The medical electric drill saw according to claim 1, wherein: the outer surface of the limiting plate (11) is closely attached to the inner wall of the limiting groove (10), and the limiting plate (11) is connected with the rectangular fixing block (13) through welding.

7. The medical electric drill saw according to claim 3, wherein: the internal thread of internal thread opening (6) and internal thread fixed slot (8) is unanimous, the surface of screw (7) spreads over the external screw thread, the external screw thread of screw (7) all corresponds each other with the internal thread of internal thread opening (6) and internal thread fixed slot (8).