CN213940875U

CN213940875U - Flat cutting mechanism of small flat oscillating saw

Info

Publication number: CN213940875U
Application number: CN202022679248.9U
Authority: CN
Inventors: 冯军
Original assignee: Tianjin Fengyi Medical Devices Co ltd
Current assignee: Tianjin Fengyi Medical Devices Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-13
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to the technical field of medical instruments, in particular to a horizontal cutting mechanism of a small horizontal pendulum saw, which improves the operation working efficiency, increases the cutting precision, improves the operation stability, improves the use convenience and reduces the use limitation; including the install bin, the swinging bracket, left gag lever post, right gag lever post, spacing sliding sleeve, a bearing, the transmission shaft, the eccentric block, the operation saw blade, maintain the apron, handheld handle, start button and actuating mechanism, it sets up the access hole to maintain the apron bottom, left gag lever post right-hand member is fixed at swinging bracket left end middle part, right gag lever post left end is fixed at swinging bracket right-hand member middle part, the bearing is installed inside install bin top shaft hole, the eccentric block top is installed in the transmission shaft bottom, operation saw blade right-hand member is fixed at left gag lever post left end, it installs in the install bin bottom through a plurality of screws to maintain the apron top, handheld handle left end is installed at the install bin right-hand member, start button right-hand member is fixed at handheld handle left end, actuating mechanism installs on the install bin top.

Description

Flat cutting mechanism of small flat oscillating saw

Technical Field

The utility model relates to the technical field of medical equipment, especially relate to a flat cutting mechanism of little flat pendulum saw.

Background

As is well known, the truncation mechanism of the small flat oscillating saw is an auxiliary device for orthopedic surgery, which is widely used in the field of medical instruments; the existing parallel cutting mechanism of the small parallel pendulum saw is found in use, the traditional orthopedic surgery is generally carried out by manual saws, bone files, bone scissors and other manpower modes, the tools are simple in structure, time and labor are wasted when the tools are used, the position and the cutting depth are difficult to accurately control, the cut surface is irregular, the surgery efficiency is lower, the stability is poorer, and the use limitation is higher.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an improve operation work efficiency, increase cutting accuracy, improve operation stability, improve and use the convenience, reduce the truncation mechanism who uses a little flat pendulum saw of limitation.

The utility model discloses a horizontal cutting mechanism of a small horizontal pendulum saw, which comprises an installation box, a swinging bracket, a left limiting rod, a right limiting rod, a limiting sliding sleeve, a bearing, a transmission shaft, an eccentric block, a surgical saw blade, a maintenance cover plate, a handheld handle, a start button and a driving mechanism, wherein the bottom end of the maintenance cover plate is provided with an access hole, the right end of the left limiting rod is fixed at the middle part of the left end of the swinging bracket, the left end of the right limiting rod is fixed at the middle part of the right end of the swinging bracket, the limiting sliding sleeve is arranged in the groove cavity of the installation box in a matching way, the left limiting rod and the right limiting rod are respectively matched and slidably connected with the limiting sliding sleeve, the bearing is arranged in the shaft hole at the top end of the installation box, the top end of the eccentric block is arranged at the bottom end of the transmission shaft, the eccentric block is matched and slidably connected with the swinging bracket, the right end of the surgical saw blade is fixed at the left limiting rod, the top end of the maintenance cover plate is arranged at the bottom end of the installation box through a plurality of screws, the left end of the handheld handle is installed at the right end of the installation box, the right end of the starting button is fixed at the left end of the handheld handle, the driving mechanism is installed at the top end of the installation box, the output end of the driving mechanism is connected with the transmission shaft in a matched mode, and the starting button is connected with the driving mechanism in an electric control mode.

The utility model discloses a truncation mechanism of little flat pendulum saw still includes motor frame, driving motor, drive sprocket, driven sprocket and drive chain, and driving motor passes through the motor frame to be installed on the install bin top, and drive sprocket top coaxial arrangement is at driving motor bottom output, and driven sprocket bottom coaxial arrangement is on the transmission shaft top to drive sprocket and driven sprocket pass through the drive chain meshing transmission and connect, and start button passes through electric control with driving motor and is connected.

The utility model discloses a truncation mechanism of little flat pendulum saw still includes first connecting piece, second connecting piece, connecting screw and first nut, and the install at the install bin right-hand member first connecting piece left end, and the handheld handle top is installed to second connecting piece bottom to connecting screw passes first connecting piece and second connecting piece connecting hole, and first nut and connecting screw spiral shell dress are connected.

The utility model discloses a truncation mechanism of little flat pendulum saw still includes the guard box, and the guard box bottom mounting is on the install bin top to actuating mechanism is located inside the guard box working chamber.

The utility model discloses a truncation mechanism of little flat pendulum saw still includes mount pad and second nut, and the mount pad right-hand member is fixed at left gag lever post left end, is provided with the screw thread post on the mount pad, and the second nut is connected with mount pad screw thread post cooperation.

The utility model discloses a truncation mechanism of little flat pendulum saw still includes adjustment disk and bolt, and the mount pad right-hand member is fixed in the adjustment disk left end, is provided with the arc hole on the adjustment disk, and left gag lever post left end is provided with the screw hole, and the adjustment disk right-hand member passes through the bolt with left gag lever post left end and is connected with left gag lever post screw hole cooperation.

The utility model discloses a truncation mechanism of little flat pendulum saw still includes spacing post, and the cooperation of spacing post rear end is installed in mount pad front end left side.

The utility model discloses a truncation mechanism of little flat pendulum saw still includes that first connecting piece and second connecting piece are connected the terminal surface and are set up to rough action face.

Compared with the prior art, the beneficial effects of the utility model are that: make two spacing sliding sleeve fixed mounting through the install bin, make swing span slidable mounting inside the install bin cavity with spacing sliding sleeve cooperation respectively through left gag lever post and right gag lever post, make transmission shaft and install bin rotate through the bearing and be connected, make the operation saw blade provide swing power through eccentric block and swing span cooperation, make the convenient stable grasping of swing span through handheld handle, make actuating mechanism on-off control of being convenient for through start button, make eccentric block and swing span provide swing power through actuating mechanism, the install bin makes the device easy access through a plurality of screw connections with the maintenance apron, make the device carry out the operation of performing the operation through the swing of operation saw blade, improve operation work efficiency, increase cutting precision, improve operation stability, improve the convenience in use, reduce the use limitation.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic bottom view of the present invention;

fig. 4 is a partial left side schematic view of the present invention;

in the drawings, the reference numbers: 1. installing a box; 2. a swing frame; 3. a left stop lever; 4. a right stop lever; 5. a limiting sliding sleeve; 6. a bearing; 7. a drive shaft; 8. an eccentric block; 9. a surgical saw blade; 10. maintaining the cover plate; 11. a hand-held grip; 12. a start button; 13. a motor frame; 14. a drive motor; 15. a drive sprocket; 16. a driven sprocket; 17. a drive chain; 18. a first connecting member; 19. a second connecting member; 20. connecting a screw rod; 21. a first nut; 22. a protection box; 23. a mounting seat; 24. a second nut; 25. an adjusting disk; 26. a bolt; 27. a limiting column.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 4, the utility model relates to a horizontal cutting mechanism of a small horizontal pendulum saw, which comprises an installation box 1, a swing frame 2, a left limiting rod 3, a right limiting rod 4, a limiting sliding sleeve 5, a bearing 6, a transmission shaft 7, an eccentric block 8, a surgical saw blade 9, a maintenance cover plate 10, a hand-held handle 11, a start button 12 and a driving mechanism, wherein the bottom end of the maintenance cover plate 10 is provided with an access hole, the right end of the left limiting rod 3 is fixed at the middle part of the left end of the swing frame 2, the left end of the right limiting rod 4 is fixed at the middle part of the right end of the swing frame 2, the limiting sliding sleeve 5 is arranged inside a groove cavity of the installation box 1 in a matching way, the left limiting rod 3 and the right limiting rod 4 are respectively connected with the limiting sliding sleeve 5 in a matching way, the bearing 6 is arranged inside a shaft hole at the top end of the installation box 1, the transmission shaft 7 is connected with the bearing 6 in a coaxial matching way in a rotating way, the top end of the eccentric block 8 is arranged at the bottom end of the transmission shaft 7, and the eccentric block 8 is connected with the swing frame 2 in a matching way in a sliding way, the right end of a surgical saw blade 9 is fixed at the left end of a left limiting rod 3, the top end of a maintenance cover plate 10 is installed at the bottom end of an installation box 1 through a plurality of screws, the left end of a handheld grip 11 is installed at the right end of the installation box 1, the right end of a starting button 12 is fixed at the left end of the handheld grip 11, a driving mechanism is installed at the top end of the installation box 1, the output end of the driving mechanism is connected with a transmission shaft 7 in a matched mode, and the starting button 12 is electrically connected with the driving mechanism in a control mode; make two spacing sliding sleeves 5 fixed mounting through install bin 1, make swing span 2 slidable mounting inside install bin 1 cavity with spacing sliding sleeve 5 cooperation respectively through left gag lever post 3 and right gag lever post 4, make transmission shaft 7 rotate with install bin 1 through bearing 6 and be connected, make operation saw blade 9 provide swing power through eccentric block 8 and swing span 2 cooperation, make swing span 2 conveniently stably grab and hold through handheld handle 11, make actuating mechanism on-off control of being convenient for through start button 12, make eccentric block 8 and swing span 2 provide swing power through actuating mechanism, install bin 1 makes the device easy maintenance through a plurality of screw connections with maintenance apron 10, make the device carry out the operation through operation saw blade 9 swings, improve operation work efficiency, increase cutting precision, improve operation stability, improve the convenience of use, reduce the use limitation.

The utility model discloses a truncation mechanism of little flat pendulum saw still includes motor frame 13, driving motor 14, driving sprocket 15, driven sprocket 16 and drive chain 17, driving motor 14 installs on the installation box 1 top through motor frame 13, the coaxial mounting in driving motor 14 bottom output in driving sprocket 15 top, the coaxial mounting in driving sprocket 16 bottom is on the top of transmission shaft 7, and driving sprocket 15 and driven sprocket 16 mesh the transmission through drive chain 17 and connect, start button 12 is connected through electrical control with driving motor 14; make driving motor 14 fix on installation case 1 top through motor frame 13, make drive sprocket 15 be connected with the 16 meshing transmissions of driven sprocket through drive chain 17, make operation saw blade 9 provide swing power through driving motor 14, increase operation efficiency, increase operating stability, improve adaptability, reduce and use the limitation.

The utility model discloses a horizontal cutting mechanism of small flat pendulum saw, still include first connecting piece 18, second connecting piece 19, connecting screw 20 and first nut 21, the 18 left ends of first connecting piece are installed at the right-hand member of installation case 1, the 19 bottom ends of second connecting piece are installed on the top of handheld handle 11, and connecting screw 20 passes first connecting

piece

18 and 19 connecting holes of second connecting piece, first nut 21 and connecting screw 20 spiral shell dress are connected; first connecting piece 18 and second connecting piece 19 make handheld handle 11 rotate with install bin 1 through connecting screw 20 and be connected, make first connecting piece 18 and second connecting piece 19 angle of being connected lock through connecting screw 20 and the cooperation of first nut 21, improve the device and hold the angle and be convenient for adjust, increase and use adaptability, improve and adjust the flexibility, reduce and use the limitation.

The utility model discloses a horizontal cutting mechanism of a small horizontal pendulum saw, which also comprises a protective box 22, the bottom end of the protective box 22 is arranged at the top end of the installation box 1, and a driving mechanism is positioned in the working cavity of the protective box 22; make actuating mechanism protect through guard box 22, increase safety in utilization, improve transmission stability, increase cutting accuracy, reduce and use the limitation.

The utility model discloses a horizontal cutting mechanism of a small horizontal pendulum saw, which also comprises a mounting seat 23 and a second nut 24, wherein the right end of the mounting seat 23 is fixed at the left end of a left limiting rod 3, a threaded column is arranged on the mounting seat 23, and the second nut 24 is matched and connected with the threaded column of the mounting seat 23; make operation saw blade 9 fixed and be convenient for change through the cooperation of mount pad 23 screw thread post and second nut 24, improve and change the use convenience, increase operation adaptability, reduce and use the limitation.

The utility model discloses a horizontal cutting mechanism of small horizontal pendulum saw, still include adjusting disk 25 and bolt 26, the right-hand member of mount pad 23 is fixed in the left end of adjusting disk 25, is provided with the arc hole on the adjusting disk 25, and the left end of left gag lever post 3 is provided with the screw hole, and adjusting disk 25 right-hand member and the left end of left gag lever post 3 are connected through bolt 26 and the screw hole cooperation of left gag lever post 3; adjusting disk 25 passes through bolt 26 to be fixed in left gag lever post 3 left end, is provided with on the adjusting disk 25 and makes 9 installation angle of operation saw blade be convenient for adjust by the arc hole, improves the operation and uses adaptability, increases the simple operation nature, reduces and uses the limitation.

The utility model discloses a horizontal cutting mechanism of a small horizontal pendulum saw, which also comprises a limit post 27, wherein the rear end of the limit post 27 is arranged at the left side of the front end of the mounting seat 23 in a matching way; make operation saw blade 9 fix a position the installation through the cooperation of a plurality of spacing posts 27, improve operation saw blade 9 cutting stability, increase the operation precision, improve cutting stability, reduce the use limitation.

The flat cutting mechanism of the small flat oscillating saw of the utility model also comprises a rough action surface arranged on the connecting end surface of the first connecting piece 18 and the second connecting piece 19; set up to the coarse working face through first connecting piece 18 and second connecting piece 19 and make first connecting

piece

18 and 19 cooperation stability of second connecting piece increase, improve job stabilization nature, reduce and use the limitation.

The utility model discloses a truncation mechanism of little flat pendulum saw, it is at the during operation, at first through connecting screw 20 and first nut 21 cooperation make handheld handle 11 and install bin 1 connection angle be convenient for adjust, later make operation saw blade 9 cutting angle adjust through bolt 26 and the cooperation of left gag lever post 3, then make driving motor 14 start through pressing start button 12, later rotate through driving motor 14 make operation saw blade 9 perform the operation cutting can.

The installation mode, the connection mode or the arrangement mode of the horizontal cutting mechanism of the small horizontal pendulum saw of the utility model are common mechanical modes, and the installation mode, the connection mode or the arrangement mode can be implemented as long as the beneficial effects can be achieved; the utility model discloses a flat cutting mechanism's of little flat pendulum saw driving motor 14 for purchase on the market, this industry technical staff only need according to its subsidiary service instruction install and operate can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A flat cutting mechanism of a small flat oscillating saw is characterized by comprising an installation box (1), an oscillating frame (2), a left limiting rod (3), a right limiting rod (4), a limiting sliding sleeve (5), a bearing (6), a transmission shaft (7), an eccentric block (8), a surgical saw blade (9), a maintenance cover plate (10), a handheld handle (11), a starting button (12) and a driving mechanism, wherein the bottom end of the maintenance cover plate (10) is provided with an access hole, the right end of the left limiting rod (3) is fixed at the middle part of the left end of the oscillating frame (2), the left end of the right limiting rod (4) is fixed at the middle part of the right end of the oscillating frame (2), the limiting sliding sleeve (5) is installed inside a groove cavity of the installation box (1) in a matching manner, the left limiting rod (3) and the right limiting rod (4) are respectively connected with the limiting sliding sleeve (5) in a matching manner, the bearing (6) is installed inside a shaft hole at the top end of the installation box (1), and the transmission shaft (7) is connected with the bearing (6) in a coaxial matching manner in a rotating manner, install on eccentric block (8) top in transmission shaft (7) bottom, and eccentric block (8) and swing span (2) cooperation sliding connection, operation saw blade (9) right-hand member is fixed at left gag lever post (3) left end, maintain apron (10) top and install in install bin (1) bottom through a plurality of screws, install at install bin (1) right-hand member handheld handle (11) left end, start button (12) right-hand member is fixed at handheld handle (11) left end, actuating mechanism installs on install bin (1) top, and the actuating mechanism output is connected with transmission shaft (7) cooperation, start button (12) are connected with actuating mechanism electric control.

2. The flat cutting mechanism of the small flat pendulum saw as claimed in claim 1, further comprising a motor frame (13), a driving motor (14), a driving sprocket (15), a driven sprocket (16) and a transmission chain (17), wherein the driving motor (14) is installed at the top end of the installation box (1) through the motor frame (13), the top end of the driving sprocket (15) is coaxially installed at the bottom output end of the driving motor (14), the bottom end of the driven sprocket (16) is coaxially installed at the top end of the transmission shaft (7), the driving sprocket (15) and the driven sprocket (16) are in meshing transmission connection through the transmission chain (17), and the start button (12) is electrically controlled and connected with the driving motor (14).

3. The flat cutting mechanism of the small flat pendulum saw as claimed in claim 2, further comprising a first connecting member (18), a second connecting member (19), a connecting screw rod (20) and a first nut (21), wherein the left end of the first connecting member (18) is installed at the right end of the installation box (1), the bottom end of the second connecting member (19) is installed at the top end of the handheld grip (11), the connecting screw rod (20) penetrates through the connecting holes of the first connecting member (18) and the second connecting member (19), and the first nut (21) is in threaded connection with the connecting screw rod (20).

4. The flat cutting mechanism of the small flat pendulum saw as claimed in claim 3, characterized in that it further comprises a protective box (22), the bottom end of the protective box (22) is mounted on the top end of the mounting box (1), and the driving mechanism is located inside the working chamber of the protective box (22).

5. The flat cutting mechanism of the small flat pendulum saw as claimed in claim 4, further comprising a mounting seat (23) and a second nut (24), wherein the right end of the mounting seat (23) is fixed at the left end of the left limiting rod (3), a threaded column is arranged on the mounting seat (23), and the second nut (24) is connected with the mounting seat (23) in a matching manner.

6. The flat cutting mechanism of the small flat pendulum saw as claimed in claim 5, further comprising an adjusting plate (25) and a bolt (26), wherein the right end of the mounting seat (23) is fixed at the left end of the adjusting plate (25), the adjusting plate (25) is provided with an arc-shaped hole, the left end of the left limiting rod (3) is provided with a threaded hole, and the right end of the adjusting plate (25) and the left end of the left limiting rod (3) are connected with the threaded hole of the left limiting rod (3) in a matching manner through the bolt (26).

7. The flat cutting mechanism of the small flat pendulum saw as claimed in claim 6, further comprising a limiting post (27), wherein the rear end of the limiting post (27) is fittingly installed at the left side of the front end of the mounting base (23).

8. The trimming mechanism of a pendulum saw of claim 7, further comprising the first connecting member (18) and the second connecting member (19) having their connecting end surfaces configured as roughened active surfaces.