CN213372428U

CN213372428U - Nail equipment is got to orthopedics

Info

Publication number: CN213372428U
Application number: CN202020629916.4U
Authority: CN
Inventors: 李坤庆; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-06-08
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses an orthopedics nail taking device, which comprises a fixed box body and a sliding box body, wherein a limiting rod is fixedly connected to the inner wall of the fixed box body, the lower side of the inner part of the fixed box body is fixedly connected with a connecting rod, the bottom of the fixed box body is provided with a shaft rod, the shaft rod is provided with a first bevel gear, the connecting rod is arranged on the fixed plate through a bearing, the bottom of the connecting rod is fixedly connected with a second bevel gear, the upper part of the connecting rod is fixedly connected with a threaded rod, and the bottom of the sliding box body is fixedly connected with a; the side wall of the sliding box body is fixedly connected with the limiting block, the limiting block is provided with a rack, and the right side of the rack is provided with a cylinder. This nail equipment is got to orthopedics, latch on the locating plate is pegged graft on the rack, realizes the location and the fixed work to the slip box, and fixed mode is simple, and the inside grafting of the both ends stopper of slip box has two sets of gag lever posts, carries on spacingly and the direction to the slip box of vertical removal.

Description

Nail equipment is got to orthopedics

Technical Field

The utility model relates to the technical field of medical equipment science and technology, in particular to an orthopedic nail taking device.

Background

Fracture refers to the continuous complete or partial fracture of the bone structure, and many people always fracture due to accidents; in orthopedic wound medical operations such as fracture repair, a frequently used treatment method is an internal fixation operation, i.e., after a fracture part is reduced, the reduced bones are connected by means of a bone fracture plate and screws supported by metal materials; when the fracture part is recovered, the screw needs to be removed again through operation; the existing nail extractor can conveniently take nails, but has the problems that the box body of the nail extractor is low in firmness, the position of the nail extractor is shifted when nails are taken, patients are injured secondarily, and the box body is poor in fixing mode and time and labor are wasted; in order to solve the above-mentioned drawbacks, the prior art discloses (application number: CN201820748009.4) a post-operative nail removing device for orthopedic patients, which proposes "simultaneously rotating the rotating handle 15, the rotating handle 15 rotates to drive the rotating shaft 16 to rotate, the rotating shaft 16 rotates to drive the first bevel gear 17 to rotate, the first bevel gear 17 drives the second bevel gear 18 and the threaded rod 19 to rotate, and the threaded rod 19 rotates to realize the height adjustment of the sliding box 2; "and" second thread groove 91; a fixing bolt 92 is arranged on the thread groove 9; the fixed bolts 92 are positioned on the fixed box body 3, the sliding box body 2 moves up and down in use, and when one position is determined, the fixed bolts 92 are screwed into the first thread groove 9 and the second thread groove 91 respectively, so that the stability between the sliding box body 2 and the fixed box body 3 is greatly enhanced; "first: the upper end and the 20 inner walls of sleeve, 19 unsettled settings of threaded rod lower extreme of threaded rod 19 can't guarantee the stability of threaded rod 19 when rotating, the second: when the sliding box body 2 is lifted, the two sides of the sliding box body 2 are not provided with a limiting and guiding structure, although the sliding box body 2 is in sliding connection with the fixed box body 3; "however, the sliding mode, the specific structure of which is not shown in the drawings, does not know how to contact and slide, and therefore, the stability of the sliding box 2 during working cannot be guaranteed, and thirdly: the fixing bolt 92 and the threaded hole are used for fixing the sliding box body 2, the fixing bolt 92 needs to be screwed during operation, and operation is inconvenient; fourthly: the telescopic rod of the electric telescopic device 22 directly drives the screw rod 24 to lift, and the structure is unreasonable.

In order to solve the defects in the market, an orthopedic nail removing device is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming the defect that mentions in the background art, provide an orthopedics and get nail equipment. Locating plate, slip box, stopper and locating plate have the latch on the locating plate and peg graft on the rack, realize location and fixed work to the slip box, fixed mode is simple, and the inside grafting of both ends stopper of slip box has two sets of gag lever posts, carries out spacing and characteristics of direction to the slip box of vertical removal.

In order to achieve the above object, the utility model provides a following technical scheme: an orthopedic nail taking device comprises a fixed box body and a sliding box body, wherein a limiting rod is fixedly connected to the inner wall of the fixed box body, the lower side of the inner part of the fixed box body is fixedly connected with a connecting rod, a shaft rod is installed at the bottom of the fixed box body, a first bevel gear is installed on the shaft rod, the connecting rod is installed on a fixed plate through a bearing, the bottom of the connecting rod is fixedly connected with a second bevel gear, the upper part of the connecting rod is fixedly connected with a threaded rod, and the bottom of the sliding box body is fixedly connected with a sleeve;

with stopper fixed connection on the lateral wall of slip box, and install the rack on the stopper, the cylinder is installed on the rack right side simultaneously, and the right-hand member of cylinder passes lug and arm-tie fixed connection, the inner wall and the guide way fixed connection of slip box, and the upside of slip box installs the telescoping device, the telescopic link and the install bin fixed connection of telescoping device simultaneously, and install the lead screw through the bearing inside the install bin, the tip and the guide block fixed connection of install bin, and the upper left side of install bin installs the motor, the install bin passes through the guide block sliding connection of its tip simultaneously inside the guide way, the output shaft of motor passes through shaft coupling and transmission bevel gear's the body of rod fixed connection.

Preferably, both ends of the sliding box body are fixedly connected with the limiting block, two groups of limiting holes are formed in the limiting block, the limiting holes are matched with the limiting rods in size, and the limiting rods are inserted into the limiting holes.

Preferably, both ends of the sliding box body are provided with lugs, holes matched with the cylinders are formed in the lugs, and the cylinders are of a transverse moving structure.

Preferably, the end part of the column body is fixedly connected with the positioning plate, the positioning plate is provided with clamping teeth, the clamping teeth are matched with the size of the rack, and the clamping teeth are inserted into tooth grooves of the rack.

Preferably, threaded holes are formed in the sleeves, the threaded holes are matched with the threaded rods in size, the threaded rods are screwed in the threaded holes, and the two groups of sleeves are arranged at the bottom of the sliding box body.

Preferably, the second bevel gear is matched with the first bevel gear in size, the second bevel gear is meshed with the first bevel gear, two groups of first bevel gears are mounted on the shaft rod, and the shaft rod is fixed at the bottom of the fixed box body through a bearing.

Preferably, the pulling plate and the cylinder are arranged in a T shape, a groove is formed in the inner wall of the fixed box body, the cylinder penetrates through the groove, a return spring is arranged in the groove, and the return spring is sleeved on the cylinder.

Preferably, a working gear is mounted on the rod body of the screw rod and is in meshed connection with the worm, a transmission bevel gear is mounted on the rod body of the worm, and the transmission bevel gear on the worm is in meshed connection with a transmission bevel gear on the output shaft of the motor.

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

1. when the sliding box body is lifted, two groups of limiting rods are inserted into the limiting blocks at the two ends of the sliding box body, and the sliding box body which moves vertically is limited and guided;

2. after the height of the sliding box body is adjusted, the pulling plate is loosened, the cylinder body is reset under the action of the return spring, so that the clamping teeth on the positioning plate are inserted on the rack, the positioning and fixing work of the sliding box body is realized, and the fixing mode is simple;

3. under the effect of telescoping device, the install bin in the lead screw outside moves upwards, and the guide block of its both sides sliding connection is in the guide way inside, guarantees the stability of install bin during operation.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a schematic view of the height adjustment of the sliding box body of the structure of the present invention;

FIG. 3 is a schematic sectional view of the structure A-A of the present invention;

FIG. 4 is a side view of the structure of the present invention;

fig. 5 is a schematic structural view of the sliding box of the present invention.

Reference numbers in the figures: 1. fixing the box body; 2. a limiting rod; 3. a sliding box body; 4. a limiting block; 5. a bump; 6. a cylinder; 7. a rack; 8. a limiting hole; 9. a sleeve; 10. a threaded rod; 11. a connecting rod; 12. a shaft lever; 13. a first bevel gear; 14. a second bevel gear; 15. a threaded hole; 16. a fixing plate; 17. positioning a plate; 18. pulling a plate; 19. a return spring; 20. a guide groove; 21. a guide block; 22. a transmission bevel gear; 23. a transmission rod; 24. a working gear; 25. a worm; 26. and a screw rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an orthopedic nail taking device comprises a fixed box body 1 and a sliding box body 3, wherein a limiting rod 2 is fixedly connected to the inner wall of the fixed box body 1, the lower side of the inner part of the fixed box body 1 is fixedly connected with a connecting rod 11, a shaft rod 12 is installed at the bottom of the fixed box body 1, a first bevel gear 13 is installed on the shaft rod 12, the connecting rod 11 is installed on a fixed plate 16 through a bearing, the bottom of the connecting rod 11 is fixedly connected with a second bevel gear 14, the upper part of the connecting rod 11 is fixedly connected with a threaded rod 10, and the bottom of the sliding box body 3 is fixedly connected with a sleeve 9; the two ends of the sliding box body 3 are both provided with a lug 5, a hole matched with the column body 6 is formed in the lug 5, and the column body 6 is of a transverse moving structure; threaded holes 15 are formed in the sleeves 9, the threaded holes 15 are matched with the threaded rods 10 in size, the threaded rods 10 are screwed in the threaded holes 15, and two groups of sleeves 9 are arranged at the bottom of the sliding box body 3; both ends of the sliding box body 3 are fixedly connected with the limiting block 4, two groups of limiting holes 8 are formed in the limiting block 4, the limiting holes 8 are matched with the limiting rods 2 in size, and the limiting rods 2 are inserted in the limiting holes 8; the side wall of the sliding box body 3 is fixedly connected with the limiting block 4, the limiting block 4 is provided with a rack 7, the right side of the rack 7 is provided with a cylinder 6, the right end of the cylinder 6 penetrates through the lug 5 to be fixedly connected with the pull plate 18, the inner wall of the sliding box body 3 is fixedly connected with the guide groove 20, the upper side of the sliding box body 3 is provided with a telescopic device, a telescopic rod of the telescopic device is fixedly connected with the installation box, the inside of the installation box is provided with a lead screw 26 through a bearing, the end part of the installation box is fixedly connected with the guide block 21, the upper left side of the installation box is provided with a motor, the installation box is connected in the guide groove 20 in a sliding mode through the guide block 21 at the end part of the installation box, and; the end part of the column body 6 is fixedly connected with a positioning plate 17, clamping teeth are arranged on the positioning plate 17, the clamping teeth are matched with the size of the rack 7, and the clamping teeth are inserted in tooth grooves of the rack 7; the second bevel gear 14 is matched with the first bevel gear 13 in size, the second bevel gear 14 is meshed with the first bevel gear 13, meanwhile, two groups of first bevel gears 13 are mounted on the shaft rod 12, and the shaft rod 12 is fixed at the bottom of the fixed box body 1 through a bearing; the pull plate 18 and the column 6 are arranged in a T shape, a groove is formed in the inner wall of the fixed box body 1, the column 6 penetrates through the groove, a return spring 19 is arranged in the groove, the return spring 19 is sleeved on the column 6, a rod body of the screw rod 26 is provided with a working gear 24, the working gear 24 is meshed with the worm 25, meanwhile, a rod body of the worm 25 is provided with a transmission bevel gear 22, and the transmission bevel gear 22 on the worm 25 is meshed with the transmission bevel gear 22 on the output shaft of the motor;

as shown in fig. 1-3: when the sliding box body 3 is lifted, two groups of limiting rods 2 are inserted into the limiting blocks 4 at the two ends of the sliding box body 3 to limit and guide the sliding box body 3 which moves vertically, so that the stability of the sliding box body 3 in working is ensured, and when the sliding box body 3 runs to a target position, the sliding box body 3 is fixed by clamping the clamping teeth on the positioning plate 17 in the tooth grooves in the rack 7;

as shown in fig. 1 and 3: the right connecting rod 11 is fixed on the fixing plate 16 through a bearing, the left connecting rod 11 is also fixed on the fixing plate 16 through a bearing, the left connecting rod 11 penetrates through the second bevel gear 14 and is fixed at the bottom end of the fixing box body 1 through a bearing, and the stability of the two groups of connecting rods 11 in working is guaranteed;

as shown in fig. 1-5: an output shaft of the motor drives a worm 25 to rotate through two groups of transmission bevel gears 22, the worm 25 drives a working gear 24 to rotate, the working gear 24 drives two groups of screw rods 26 to rotate, the screw rods screwed on the screw rods are respectively driven to move, meanwhile, under the action of a telescopic device, an installation box on the outer side of each screw rod 26 moves upwards, and guide blocks 21 on two sides of each installation box are connected inside a guide groove 20 in a sliding mode, so that the stability of the installation box during working is guaranteed.

When the orthopedic nail taking device is used, the pulling plate 18 is pulled, the cylinder 6 moves transversely to drive the latch on the positioning plate 17 to be separated from the rack 7, the handle is rotated to drive the shaft rod 12 to rotate, the first bevel gear 13 on the shaft rod 12 drives the threaded rod 10 to rotate through the second bevel gear 14, the threaded rod 10 is screwed in the sleeve 9 to drive the sleeve 9 to move upwards, the sliding box body 3 moves upwards simultaneously, two groups of limiting rods 2 are inserted in the limiting blocks 4 on two sides of the sliding box body 3, the sliding box body 3 which moves vertically is limited and guided, the stability of the sliding box body 3 during lifting is ensured, when the height of the sliding box 3 is adjusted, the pulling plate 18 is released, the column 6 is reset under the action of the return spring 19, the latch on the positioning plate 17 is inserted on the rack 7, so that the positioning and fixing work of the sliding box body 3 is realized; this is the whole process of the orthopedic nail-taking device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a nail equipment is got to orthopedics, includes fixed box (1) and slip box (3), its characterized in that: the inner wall of the fixed box body (1) is fixedly connected with a limiting rod (2), the lower side of the interior of the fixed box body (1) is fixedly connected with a connecting rod (11), the bottom of the fixed box body (1) is provided with a shaft rod (12), the shaft rod (12) is provided with a first bevel gear (13), the connecting rod (11) is arranged on a fixed plate (16) through a bearing, the bottom of the connecting rod (11) is fixedly connected with a second bevel gear (14), the upper part of the connecting rod (11) is fixedly connected with a threaded rod (10), and the bottom of the sliding box body (3) is fixedly connected with a sleeve (9);

the side wall of the sliding box body (3) is fixedly connected with the limiting block (4), the limiting block (4) is provided with a rack (7), the right side of the rack (7) is provided with a column body (6), the right end of the column body (6) passes through the convex block (5) and is fixedly connected with the pulling plate (18), the inner wall of the sliding box body (3) is fixedly connected with the guide groove (20), and the upper side of the sliding box body (3) is provided with a telescopic device, and the telescopic rod of the telescopic device is fixedly connected with the installation box, a screw rod (26) is arranged in the installation box through a bearing, the end part of the installation box is fixedly connected with a guide block (21), a motor is arranged on the left upper side of the installation box, meanwhile, the mounting box is in sliding connection with the inside of the guide groove (20) through a guide block (21) at the end part of the mounting box, and an output shaft of the motor is fixedly connected with a rod body of the transmission bevel gear (22) through a coupler.

2. An orthopaedic nail extraction apparatus according to claim 1, wherein: the two ends of the sliding box body (3) are fixedly connected with the limiting blocks (4), two sets of limiting holes (8) are formed in the limiting blocks (4), the limiting holes (8) are matched with the limiting rods (2) in size, and the limiting rods (2) are inserted into the limiting holes (8).

3. An orthopaedic nail extraction apparatus according to claim 1, wherein: both ends of the sliding box body (3) are provided with lugs (5), holes matched with the cylinders (6) are formed in the lugs (5), and the cylinders (6) are of a transverse moving structure.

4. An orthopaedic nail extraction apparatus according to claim 1, wherein: the end part of the column body (6) is fixedly connected with the positioning plate (17), the positioning plate (17) is provided with clamping teeth, the clamping teeth are matched with the size of the rack (7), and the clamping teeth are inserted into tooth grooves of the rack (7).

5. An orthopaedic nail extraction apparatus according to claim 1, wherein: threaded hole (15) are seted up to sleeve (9) inside, and threaded hole (15) and threaded rod (10) size looks adaptation, and threaded rod (10) spiro union is provided with two sets of sleeves (9) inside threaded hole (15) simultaneously, the bottom of slip box (3).

6. An orthopaedic nail extraction apparatus according to claim 1, wherein: the size of the second bevel gear (14) is matched with that of the first bevel gear (13), the second bevel gear (14) is meshed with the first bevel gear (13), meanwhile, two groups of first bevel gears (13) are mounted on the shaft rod (12), and the shaft rod (12) is fixed at the bottom of the fixed box body (1) through a bearing.

7. An orthopaedic nail extraction apparatus according to claim 1, wherein: the pull plate (18) and the cylinder (6) are arranged in a T shape, a groove is formed in the inner wall of the fixed box body (1), the cylinder (6) penetrates through the groove, a return spring (19) is arranged in the groove, and the return spring (19) is sleeved on the cylinder (6).

8. An orthopaedic nail extraction apparatus according to claim 1, wherein: a working gear (24) is mounted on a rod body of the screw rod (26), the working gear (24) is meshed with the worm (25), meanwhile, a transmission bevel gear (22) is mounted on the rod body of the worm (25), and the transmission bevel gear (22) on the worm (25) is meshed with the transmission bevel gear (22) on the output shaft of the motor.