CN210009094U - Connecting assembly for spine grinding head equipment - Google Patents
Connecting assembly for spine grinding head equipment Download PDFInfo
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- CN210009094U CN210009094U CN201822039029.7U CN201822039029U CN210009094U CN 210009094 U CN210009094 U CN 210009094U CN 201822039029 U CN201822039029 U CN 201822039029U CN 210009094 U CN210009094 U CN 210009094U
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- sleeve
- elastic element
- grinding head
- cover
- transmission shaft
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Abstract
The utility model discloses a connecting component for a spine grinding head device, which is used for connecting a motor component and a grinding head component, the motor component comprises a transmission shaft, a chuck is clamped on the transmission shaft, the chuck is sheathed with a first elastic element, the grinding head component comprises a transmission rod, the connecting end of the transmission rod is movably inserted into the transmission shaft, the first elastic element is used for abutting against the chuck, so that the chuck clamps the connecting end of the transmission rod, the connecting device comprises a connecting main body sleeve, a twisting sleeve and a moving sleeve, one end of the connecting main body sleeve is movably connected with the transmission shaft, the other end of the connecting main body sleeve is movably connected with the transmission rod, the twisting sleeve is rotatably sleeved outside the connecting main body sleeve, the moving sleeve is used for movably sleeved on the transmission shaft, and one end of the movable sleeve is used for being abutted against the first elastic element, and the movable sleeve can drive the first elastic element to axially move towards the direction far away from the chuck under the linkage of the twisting sleeve. The connecting assembly facilitates the installation and the disassembly of the grinding head assembly and the motor assembly, is flexible to use and convenient to butt, and can improve the reliability of assembly.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a coupling assembling for backbone bistrique equipment.
Background
At present, in an orthopedic surgery, a bone tissue in a patient needs to be ground and drilled sometimes, and a grinding head at the front end is driven by a power handle to rotate for grinding; the existing spinal grinding head equipment generally comprises a power part, a supporting part and a grinding head, wherein in order to adapt to the operation requirement, the length of the grinding head is longer sometimes, and the length of the supporting part for supporting the grinding head is longer, so that the supporting part and the power part can be deviated in butt joint, and the assembling efficiency is not high.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a connecting assembly for a spine grinding head device, which solves the problems provided by the prior art.
The purpose of the utility model is realized by adopting the following technical scheme:
the utility model provides a coupling assembling for backbone bistrique equipment for connect motor module and bistrique subassembly, motor module includes the transmission shaft, the transmission shaft joint has the chuck, the chuck cover is equipped with first elastic element, the bistrique subassembly includes the transfer line, the link activity of transfer line is inserted in the transmission shaft, first elastic element is used for supporting the pressure the chuck, so that the chuck presss from both sides tightly the link of transfer line, including connecting the main part cover, wrench movement cover and removal cover, connecting main part cover one end is used for swing joint the transmission shaft, connecting the main part cover other end and being used for swing joint the transfer line, wrench movement cover is rotatable ground overcoat and is in connecting the main part is sheathe in, remove the cover be used for the movable sleeve in the transmission shaft, just the one end of removing the cover be used for with first elastic element butt, it can to remove the cover drive under the linkage of wrench movement cover first elastic element is to keeping away from the chuck And axially movable in a direction to allow the drive link to be removed from the connecting body sleeve.
Further, coupling assembling still includes the ball, the outer wall of removal cover is equipped with and is used for placing the ball groove of ball, the outer wall of connecting the main part cover be equipped with be used for with the helicla flute of ball looks adaptation, the inner wall of wrench movement cover be equipped with the spout of ball looks adaptation, ball one end joint in the spout, the ball can follow under the linkage of wrench movement cover the helicla flute slides in order to drive remove the cover axial displacement.
Further, coupling assembling still includes the U-shaped shell fragment, the U-shaped shell fragment joint is in the connecting main part is sheathe in, the U-shaped shell fragment is equipped with the joint piece, the inner wall of wrench movement cover be equipped with the ring channel of joint piece looks adaptation, the U-shaped shell fragment still be equipped with be used for with the draw-in groove of bistrique subassembly looks joint.
Further, the connecting assembly further comprises a second elastic element, and the second elastic element is used for being sleeved on the transmission shaft.
Further, the connecting assembly further comprises a gland, the gland is used for being sleeved on the transmission shaft, a flange is arranged in the movable sleeve, one end of the second elastic element is abutted to the gland, and the other end of the second elastic element extends into the movable sleeve and is abutted to the flange.
Further, the connecting assembly further comprises a third elastic element, and the third elastic element is used for being sleeved on the transmission rod.
Furthermore, the connecting assembly further comprises a screw tube seat, a telescopic head and a fourth elastic element, the telescopic head is arranged in the screw tube seat, the fourth elastic element is arranged in the telescopic head, the telescopic head is used for being sleeved on the transmission rod, and the screw tube seat is in threaded connection with the other end of the connecting main body sleeve.
Further, the connecting assembly further comprises a C-shaped hoop, and the C-shaped hoop is sleeved on the screw tube seat.
Further, the connecting assembly further comprises a pressing sleeve, a limiting groove is formed in the outer wall of the screw tube seat, the pressing sleeve is sleeved in the limiting groove, and one end of the U-shaped elastic sheet is abutted to the pressing sleeve.
Compared with the prior art, the beneficial effects of the utility model reside in that:
one end of the connecting main body sleeve is used for being movably connected with a transmission shaft of the motor assembly, and the other end of the connecting main body sleeve is used for being movably connected with a transmission rod of the grinding head assembly, so that the motor assembly and the grinding head assembly are connected into a whole by the connecting main body sleeve, the grinding head assembly and the motor assembly are convenient to mount and dismount, the use is flexible, the motor assembly and the grinding head assembly are convenient to butt, and the assembling reliability is improved; meanwhile, the tightness state of the transmission rod can be flexibly adjusted by matching the twisting sleeve with the moving sleeve, so that the working efficiency is improved.
Drawings
Fig. 1 is a schematic view of a connection assembly for a spinal grinding head apparatus provided by the present invention;
fig. 2 is a cross-sectional view of a connection assembly for a spinal grinding head apparatus provided by the present invention;
fig. 3 is a schematic view of a twisting sleeve of a connecting assembly for a spinal grinding head device according to the present invention;
fig. 4 is an exploded view of the moving sleeve and the ball of the connecting assembly for the spinal grinding head device according to the present invention;
fig. 5 is a schematic view of a connecting body sleeve of a connecting assembly for a spinal grinding head device according to the present invention;
fig. 6 is a schematic view of a U-shaped elastic piece of a connecting assembly for a spinal grinding head device according to the present invention;
fig. 7 is an assembly schematic view of a connecting main body sleeve and a U-shaped elastic sheet of a connecting assembly for a spinal grinding head device provided by the present invention;
fig. 8 is an assembly cross-sectional view of a connecting body sleeve, a transmission shaft and a transmission rod of the connecting assembly for the spine grinding head device provided by the present invention;
fig. 9 is an assembly schematic diagram of the connecting assembly for the spinal grinding head device, the motor assembly and the grinding head assembly provided by the present invention;
FIG. 10 is an enlarged view of a portion of FIG. 9 at A;
fig. 11 is a cross-sectional view of the motor assembly.
In the figure: 100. a motor assembly; 101. a drive shaft; 102. a first elastic element; 103. a chuck; 200. a connecting assembly; 201. connecting the main body sleeve; 2010. a helical groove; 202. twisting the sleeve; 2020. a chute; 2021. an annular groove; 203. moving the sleeve; 2030. a ball groove; 204. a ball bearing; 205. a U-shaped spring plate; 2050. a clamping block; 2051. a card slot; 206. a telescopic head; 207. a screw seat; 208. a fourth elastic element; 209. a second elastic element; 210. a gland; 211. a third elastic element; 212. a first elastic seat; 213. a second elastic seat; 214. a C-shaped hoop; 215. pressing the sleeve; 300. a grinding head assembly; 301. and a transmission rod.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1-8, for the utility model provides a connection assembly for a spinal column grinding head device, the connection assembly 200 is used for connecting a motor assembly 100 and a grinding head assembly 300, the motor assembly 100 includes a transmission shaft 101, a collet 103 is clamped on the transmission shaft 101, the collet 103 is sleeved with a first elastic element 102, the grinding head assembly 300 includes a transmission rod 301, a connecting end of the transmission rod 301 is movably inserted into the transmission shaft 101, the first elastic element 102 is used for pressing the collet 103, so that the collet 103 clamps the connecting end of the transmission rod 301, the connection assembly 200 includes a connecting main body sleeve 201, a twisting sleeve 202 and a moving sleeve 203, one end of the connecting main body sleeve 201 is used for movably connecting the transmission shaft 101, the other end of the connecting main body sleeve 201 is used for movably connecting the transmission rod 301, the twisting sleeve 202 is rotatably sleeved on the connecting main body sleeve 201, the moving sleeve 203 is used for movably sleeved on the transmission shaft 101, and one end of the, the moving sleeve 203 can drive the first elastic element 102 to move axially away from the chuck 103 under the linkage of the twisting sleeve 202, so that the transmission rod 301 can be detached from the connecting body sleeve 201.
On the basis of the structure, one end of the connecting main body sleeve 201 of the embodiment is used for being movably connected with the transmission shaft 101 of the motor assembly 100, and the other end of the connecting main body sleeve 201 is used for being movably connected with the transmission rod 301 of the grinding head assembly 300, so that the connecting main body sleeve 201 connects the motor assembly 100 and the grinding head assembly 300 into a whole; in addition, when the twisting sleeve 202 is rotated counterclockwise, one end of the twisting sleeve 202 moves axially in a direction close to the first elastic element 102, so that the moving sleeve 203 pushes against the first elastic element 102, and then the first elastic element 102 is far away from the chuck 103, and as the chuck 103 is not pushed by the first elastic element 102, the chuck 103 cannot continuously clamp the transmission rod 301, so that the transmission rod 301 can be pulled out from the connecting main body sleeve 201; when the sleeve 202 is returned, the jaws 103 re-grip the driving rod 301 under the action of the first elastic element 102.
In the embodiment, one end of the connecting main body sleeve 201 is movably connected with the transmission shaft 101 of the motor assembly 100, and the other end of the connecting main body sleeve 201 is movably connected with the transmission rod 301 of the grinding head assembly 300, so that the motor assembly 100 and the grinding head assembly 300 are connected into a whole through the connecting main body sleeve 201, the grinding head assembly 300 and the motor assembly 100 are convenient to mount and dismount, the use is flexible, and the motor assembly 100 and the grinding head assembly 300 are convenient to butt and the assembling reliability is improved by arranging the connecting assembly 200; meanwhile, the tightness of the transmission rod 301 can be flexibly adjusted by matching the twisting sleeve 202 with the moving sleeve 203, so that the working efficiency is improved.
Specifically, coupling assembling 200 still includes ball 204, and the outer wall of mobile sleeve 203 is equipped with the ball groove 2030 that is used for placing ball 204, and the outer wall of connecting body cover 201 is equipped with the helicla flute 2010 that is used for with ball 204 looks adaptation, and the inner wall of wrench movement cover 202 is equipped with the spout 2020 with ball 204 looks adaptation, and ball 204 one end joint is in spout 2020, and ball 204 can slide along helicla flute 2010 under the linkage of wrench movement cover 202 in order to drive mobile sleeve 203 axial displacement. By arranging the ball 204 on the movable sleeve 203 and clamping one end of the ball 204 on the sliding groove 2020 of the twisting sleeve 202, when the twisting sleeve 202 is rotated, the ball 204 can be driven to slide along the direction of the spiral groove 2010, so that the moving sleeve 203 is driven to move axially.
Preferably, the connecting assembly 200 further comprises a U-shaped spring 205, the U-shaped spring 205 is clamped on the connecting main body sleeve 201, the U-shaped spring 205 is provided with a clamping block 2050, the inner wall of the twisting sleeve 202 is provided with an annular groove 2021 matched with the clamping block 2050, and the U-shaped spring 205 is further provided with a clamping groove 2051 for clamping with the grinding head assembly 300. The clamping groove 2051 is formed in the U-shaped elastic sheet 205, so that the grinding head assembly 300 can be clamped on the connecting main body sleeve 201, and the connecting assembly 200 and the grinding head assembly 300 are connected together; in addition, the U-shaped elastic sheet 205 is provided with a clamping block 2050 connected with the twisting sleeve 202, so that the U-shaped elastic sheet 205 and the twisting sleeve 202 are connected together.
Preferably, the connecting assembly 200 further comprises a second elastic element 209, and the second elastic element 209 is used for being sleeved on the transmission shaft 101. By providing the second elastic element 209, the transmission shaft 101 can be damped.
Specifically, the connecting assembly 200 further includes a gland 210, the gland 210 is configured to be sleeved on the transmission shaft 101, a flange is disposed in the moving sleeve 203, one end of the second elastic element 209 abuts against the gland 210, and the other end of the second elastic element 209 extends into the moving sleeve 203 and abuts against the flange. The second elastic member 209 can be fixed in the connecting body cover 201 by providing a pressing cover 210 and a flange at both ends of the second elastic member 209, respectively.
Preferably, the connecting assembly 200 further comprises a third elastic element 211, the third elastic element 211 being adapted to fit over the driving rod 301. By providing the third elastic element 211, the transmission rod 301 can be damped. Wherein, one end of the third elastic element 211 is provided with a first elastic seat 212.
Preferably, the connection assembly 200 further includes a screw seat 207, a telescopic head 206, and a fourth elastic element 208, the telescopic head 206 is disposed in the screw seat 207, the fourth elastic element 208 is disposed in the telescopic head 206, the telescopic head 206 is configured to be sleeved on the transmission rod 301, and the screw seat 207 is in threaded connection with the other end of the connection body sleeve 201. By providing the telescopic head 206, the connection between the transmission rod 301 and the transmission shaft 101 can be corrected for the grinding head assembly 300 having the longer transmission rod 301. Further improving the reliability of the butt joint. Wherein, one end of the screw tube seat 207 is provided with a second elastic seat 213, one end of the fourth elastic element 208 is abutted against the second elastic seat 213, and the other end is abutted against an inner flange of the telescopic head 206.
Specifically, the connection assembly 200 further includes a C-shaped ferrule 214, the C-shaped ferrule 214 being sleeved over the screw socket 207. The C-shaped hoop 214 is arranged to play a role in locking the screw tube seat 207.
Preferably, the connecting assembly 200 further comprises a pressing sleeve 215, the outer wall of the screw seat 207 is provided with a limiting groove, the pressing sleeve 215 is sleeved in the limiting groove, and one end of the U-shaped elastic sheet 205 is abutted to the pressing sleeve 215. By arranging the pressing sleeve 215, the U-shaped elastic sheet 205 is positioned on one hand, and the screw seat 207 is pressed on the other hand.
In the present embodiment, the second elastic element 209, the third elastic element 211, and the fourth elastic element 208 are preferably springs, and the first elastic seat 212 and the second elastic seat 213 are preferably spring seats.
Referring to fig. 9-11, for the utility model discloses a coupling assembling 200 is used for installing on backbone bistrique equipment, and coupling assembling 200 is located between motor assembly 100 and bistrique subassembly 300, connects into a whole with motor assembly 100 and bistrique subassembly 300 through coupling assembling 200, and through the cooperation of wrench movement cover 202 and removal cover 203, can dismantle transfer line 301 from transmission shaft 101, and the flexibility is stronger and convenient operation.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (9)
1. The utility model provides a coupling assembling for backbone bistrique equipment for connect motor module and bistrique subassembly, motor module includes the transmission shaft, the transmission shaft joint has the chuck, the chuck cover is equipped with first elastic element, bistrique subassembly includes the transfer line, the link activity of transfer line is inserted in the transmission shaft, first elastic element is used for supporting and presses the chuck, so that the chuck presss from both sides tightly the link of transfer line, its characterized in that: including connecting the main part cover, wrench movement cover and removing the cover, it is used for swing joint to connect main part cover one end the transmission shaft, it is used for swing joint to connect the main part cover other end the transfer line, wrench movement cover rotatable ground overcoat is in it sheathes to connect the main part, it is used for the movable sleeve to remove the cover the transmission shaft is last, just the one end that removes the cover be used for with first elastic element butt, it can to remove the cover drive under wrench movement cover's the linkage first elastic element is to keeping away from the direction axial displacement of chuck, so that the transfer line can be followed it dismantles to connect the main part cover.
2. A connection assembly for a spinal grinding head apparatus as recited in claim 1, wherein: coupling assembling still includes the ball, the outer wall of removing the cover is equipped with and is used for placing the ball groove of ball, the outer wall of connecting the main part cover be equipped with be used for with the helicla flute of ball looks adaptation, the inner wall of wrench movement cover be equipped with the spout of ball looks adaptation, ball one end joint in the spout, the ball can follow under the linkage of wrench movement cover the helicla flute slides in order to drive remove the cover axial displacement.
3. A connection assembly for a spinal grinding head apparatus as recited in claim 1, wherein: the connecting assembly further comprises a U-shaped elastic sheet, the U-shaped elastic sheet is connected with the connecting main body sleeve in a clamped mode, the U-shaped elastic sheet is provided with a clamping block, an annular groove matched with the clamping block is formed in the inner wall of the twisting sleeve, and the U-shaped elastic sheet is further provided with a clamping groove used for being connected with the grinding head assembly in a clamped mode.
4. A connection assembly for a spinal grinding head apparatus as recited in claim 1, wherein: the connecting assembly further comprises a second elastic element which is used for being sleeved on the transmission shaft.
5. A connection assembly for a spinal grinding head apparatus as recited in claim 4, wherein: the connecting assembly further comprises a gland, the gland is used for being sleeved on the transmission shaft, a flange is arranged in the movable sleeve, one end of the second elastic element is abutted to the gland, and the other end of the second elastic element extends into the movable sleeve and is abutted to the flange.
6. A connection assembly for a spinal grinding head apparatus as recited in claim 1, wherein: the connecting assembly further comprises a third elastic element, and the third elastic element is used for being sleeved on the transmission rod.
7. A connection assembly for a spinal grinding head apparatus as recited in claim 3, wherein: the connecting assembly further comprises a screw tube seat, a telescopic head and a fourth elastic element, the telescopic head is arranged in the screw tube seat, the fourth elastic element is arranged in the telescopic head, the telescopic head is used for being sleeved on the transmission rod, and the screw tube seat is in threaded connection with the other end of the connecting main body sleeve.
8. A connection assembly for a spinal grinding head apparatus as recited in claim 7, wherein: the connecting assembly further comprises a C-shaped hoop, and the C-shaped hoop is sleeved on the screw tube seat.
9. A connection assembly for a spinal grinding head apparatus as recited in claim 8, wherein: the connecting assembly further comprises a pressing sleeve, a limiting groove is formed in the outer wall of the screw tube seat, the pressing sleeve is sleeved in the limiting groove, and one end of the U-shaped elastic sheet is abutted to the pressing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822039029.7U CN210009094U (en) | 2018-12-05 | 2018-12-05 | Connecting assembly for spine grinding head equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822039029.7U CN210009094U (en) | 2018-12-05 | 2018-12-05 | Connecting assembly for spine grinding head equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210009094U true CN210009094U (en) | 2020-02-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822039029.7U Active CN210009094U (en) | 2018-12-05 | 2018-12-05 | Connecting assembly for spine grinding head equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210009094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111513801A (en) * | 2020-05-06 | 2020-08-11 | 遵义医科大学附属医院 | Accurate depth-limiting ring saw suit of percutaneous vertebral plate drilling for spinal minimally invasive surgery |
-
2018
- 2018-12-05 CN CN201822039029.7U patent/CN210009094U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111513801A (en) * | 2020-05-06 | 2020-08-11 | 遵义医科大学附属医院 | Accurate depth-limiting ring saw suit of percutaneous vertebral plate drilling for spinal minimally invasive surgery |
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