CN220309186U - Multi-gear angle-measuring bar bending device - Google Patents
Multi-gear angle-measuring bar bending device Download PDFInfo
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- CN220309186U CN220309186U CN202320604697.8U CN202320604697U CN220309186U CN 220309186 U CN220309186 U CN 220309186U CN 202320604697 U CN202320604697 U CN 202320604697U CN 220309186 U CN220309186 U CN 220309186U
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- 238000005452 bending Methods 0.000 title abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims description 3
- 230000000399 orthopedic effect Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010058907 Spinal deformity Diseases 0.000 description 1
- 241001079814 Symphyotrichum pilosum Species 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 235000004224 Typha angustifolia Nutrition 0.000 description 1
- MTHLBYMFGWSRME-UHFFFAOYSA-N [Cr].[Co].[Mo] Chemical compound [Cr].[Co].[Mo] MTHLBYMFGWSRME-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012829 orthopaedic surgery Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Abstract
The utility model relates to the technical field of medical equipment, in particular to a multi-gear angle measuring rod bending device. The rod bending device comprises a first arm, a second arm, rotating wheels, a fixed shaft, a dial, a pointer and a gear shifting mechanism, wherein a proper cam structure is selected according to the angle of bending of a rod, a multi-gear cam is rotated quickly after an adjusting cylinder is lifted up, the proper cam structure is positioned between the two rotating wheels and is sent to the adjusting cylinder, a clamping groove clamps the early clamping block, the handle parts of the first arm and the second arm are in an open state, the rod needing to be bent is placed in a rod placing area, the diameter of the rod is different, the first arm and the second arm need to be slightly rotated, the rod is in three-point contact with the two rotating wheels and the cam structure, the diameters of the rod are different due to the fact that the gears of the multi-gear cam block are different, the contact points of different rods are inconsistent, at the moment, the manual adjusting disc is required to be only the pointer to point to 0 scale, after adjustment, the rod is pressed by the first arm and the second arm, and the numerical value of the superposition of the pointer and the dial is the angle of the bent rod.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a multi-gear angle measuring rod bending device.
Background
The rod bending device is a necessary surgical instrument of a spine internal fixation surgical nail rod system, and enables the connecting rod to be precisely bent into a pre-designed angle before being implanted into a human body. Orthopedics doctors often perform spinal orthotics when treating patients with severe spinal deformities; in spinal orthopaedic surgery, connecting rods of titanium alloy or cobalt chromium molybdenum material are required to correct the malformed spine.
However, as the spine shape of the patient has quite large individual difference, the orthopedics can bend the straight connecting rod by using the rod bending device outside the body, and the physiological curve which meets the needs of the orthopedics needs to be achieved; the rod bending device is convenient to use and simple to operate, but depends on the experience of doctors to a great extent, and the angle of the connecting rod bent through the rod bending device often has larger error, so that the connecting rod cannot be accurately bent into the angle designed before the operation, and the operation effect is poor.
Disclosure of Invention
The utility model aims to provide a multi-gear angle measuring rod bending device, which overcomes the defects of the prior art, has multiple gears and scales, reduces the risk in operation, enables doctors to easily complete bending rods at different angles, and has simple operation and strong practicability.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a many gears measurement angle bar bender, includes first arm, second arm, runner, fixed axle, calibrated scale, pointer and gear shifting mechanism, wherein:
a double-lug plate is arranged on one axial side of the first arm, a single-lug plate is arranged on one axial side of the second arm, the single-lug plate is inserted into the double-lug plate, a circular through hole is formed in one of the single-lug plate and the double-lug plate, a non-circular through hole is formed in the other of the double-lug plate, and the first arm and the second arm are divided into a head part and a handle part along the positions of the single-lug plate and the double-lug plate;
the heads of the first arm and the second arm are respectively provided with a rotating wheel in a rotating way, the axes of the rotating wheels are parallel to the axes of the round perforation, and the rotating wheels rotate along the axes of the rotating wheels;
the fixed shaft comprises a first section, a second section, a third section and a fourth section from bottom to top, and the first section passes through the non-circular perforation and the circular perforation and is limited on the first arm and the second arm through a first screw; the second section is matched with the non-circular perforation in shape and is clamped in the non-circular perforation; a dial is limited between the lower end surface of the third section and one of the plate bodies of the double-lug plate, a gear shifting mechanism is sleeved on the third section and the fourth section, under the connecting structure, the handle parts of the first arm and the second arm can rotate along the axis of the fixed shaft to realize opening and closing, and in the process, the fixed shaft cannot rotate along the axis of the fixed shaft due to the existence of the second end;
the gear shifting mechanism comprises a multi-gear cam block, an adjusting cylinder and a spring, wherein the multi-gear cam block is sleeved on the parts of the third section and the fourth section, the side wall of the multi-gear cam block is provided with a plurality of cam structures with different sizes, the adjusting cylinder is sleeved on the part of the fourth section, the spring is sleeved on the part of the fourth section and is positioned in the inner cavity of the adjusting cylinder, one end of the spring is limited below the tail end of the fourth section, the other end of the spring is limited in the inner cavity of the adjusting cylinder, clamping grooves are formed in the lower part of each cam structure of the multi-gear cam block, the upper end face of the third section is provided with a clamping block, and one clamping groove is clamped in the clamping block;
a pointer pointing to the dial is arranged on the first arm or the second arm;
the area between the two rotating wheels and the multi-gear cam block is a bar placing area;
when the multi-gear cam is used, a proper cam structure is selected according to the angle of the rod to be bent, the multi-gear cam is rotated quickly after the adjusting cylinder is lifted, the proper cam structure is positioned between the two rotating wheels and is sent to the adjusting cylinder, the clamping grooves are clamped in the early clamping blocks, the handles of the first arm and the second arm are in an open state, the rod to be bent is placed in the rod placing area, the first arm and the second arm are slightly rotated firstly because the diameters of the rods are different, the rod is in three-point contact with the two rotating wheels and the cam structure, the multi-gear cam block is different in gear, the diameters of the rods are different, the contact points of different rods are inconsistent, the manual adjusting plate is required to point to the 0 scale only, after the manual adjusting plate is adjusted, the first arm and the second arm are pressurized to bend the rod, and the numerical value of the superposition position of the pointer and the dial is the angle of the bent rod.
Further, the gear shifting mechanism further comprises a limit nail, the limit nail is arranged at the top of the fourth section, a supporting surface is arranged in the inner cavity of the adjusting cylinder, the spring is arranged between the bottom of the limit nail and the top of the supporting surface, the spring is convenient to reset automatically, and the spring is convenient to replace.
Further, a poking hand is arranged on one side of the dial, so that the dial can be poked conveniently.
Further, 0 scale is arranged on the dial, and angle scale marks are arranged on two sides of the 0 scale.
Further, arc grooves are formed in the side faces of the rotating wheel and the multi-gear cam block, and the rotating wheel and the multi-gear cam block are convenient to accommodate bars.
Further, the upper end face of the dial is provided with a cylindrical groove, and the scale marks are arranged outside the cylindrical groove, and the lower end of the multi-gear cam block is cylindrical and accommodated in the cylindrical groove.
Further, the position of the first arm, at which the monaural plate is arranged, is bent in a direction away from the monaural plate, and the position of the second arm, at which the binaural plate is arranged, is bent in a direction away from the binaural plate, so that the pressurizing operation range of the bending rod is increased.
Further, the handles of the first arm and the second arm are provided with anti-skid grooves.
Further, the outer wall of the adjusting cylinder is provided with a handheld holding piece, so that the adjusting cylinder is conveniently lifted to rotate the multi-gear adjusting block.
Further, the hand-held holding piece is provided with a gear mark corresponding to the position of each cam structure on the multi-gear cam block.
The beneficial effects of the utility model are as follows: compared with the prior art, the multi-gear angle measuring rod bending device has the following advantages: the utility model provides a stick is put to stick that the angle was buckled in reduction postoperative risk, the doctor can easily accomplish different angles, easy operation, the practicality is strong, select suitable cam structure according to the angle that the stick needs to buckle, it is quick to lift the rotatory multispeed cam behind the adjustment section of thick bamboo, make this suitable cam structure be located between two runners, send the adjustment section of thick bamboo, in the early fixture block of draw-in groove card, the stalk portion of first arm and second arm is in open state, the stick that needs buckle is put the stick district, because the diameter of stick is different, consequently, need slightly rotate first arm and second arm earlier, make stick and two rotation wheels, a cam structure three-point contact, because the gear of multispeed cam piece is different, the stick diameter is different, consequently, the contact point of different sticks is inconsistent, it only points to point 0 scale to need manual adjustment dish at this moment, after the adjustment, first arm and second arm pressurization make the stick crooked, pointer and coincidence department numerical value are the curved stick angle promptly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the gear shifting mechanism and the wheel of the present utility model shown in a generally exploded configuration;
FIG. 3 is a schematic view of another angular configuration of the gear shifting mechanism and the wheel of the present utility model as a whole;
FIG. 4 is a schematic view of the first arm and the second arm of the present utility model after being separated;
FIG. 5 is a schematic structural cross-sectional view of the shift mechanism of the present utility model;
FIG. 6 is a schematic view of the present utility model prior to bending the rod during use;
FIG. 7 is a schematic view of the present utility model after bending the rod during use;
the device comprises a first arm 1, a double-lug plate 101, a non-circular perforation 102, a second arm 2, a single-lug plate 201, a rotating wheel 3, a fixed shaft 4, a first section 401, a second section 402, a third section 403, a fourth section 404, a clamping block 405, a dial 5, a hand-pulling 501, a pointer 6, a gear-shifting mechanism 7, a multi-gear cam 701, a regulating cylinder 702, a spring 703, a cam 704, a clamping slot 705 and a limiting nail 706.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
In the embodiment shown in fig. 1-7, a multi-gear measuring angle bar bender comprises a first arm 1, a second arm 2, a rotating wheel 3, a fixed shaft 4, a dial 5, a pointer 6 and a gear shifting mechanism 7, wherein:
a double-lug plate 101 is arranged on one axial side of the first arm 1, a single-lug plate 201 is arranged on one axial side of the second arm 2, the single-lug plate 201 is inserted into the double-lug plate 101, a circular through hole is formed in one of the single-lug plate 201 and the double-lug plate 101, a non-circular through hole 102 is formed in the other of the double-lug plate 101, and the first arm 1 and the second arm 2 are divided into a head part and a handle part along the positions of the single-lug plate 201 and the double-lug plate 101;
the heads of the first arm 1 and the second arm 2 are respectively provided with a rotating wheel 3 in a rotating way, the axis of the rotating wheel 3 is parallel to the axis of the round perforation, and the rotating wheel 3 rotates along the axis;
the fixed shaft 4 comprises a first section 401, a second section 402, a third section 403 and a fourth section 404 from bottom to top, and the first section 401 passes through the non-circular perforation 102 and the circular perforation and is limited on the first arm 1 and the second arm 2 through a first screw; the second section 402 is shaped to match the shape of the non-circular aperture 102 and is captured in the non-circular aperture 102; a dial 5 is limited between the lower end surface of the third section 403 and one of the plate bodies of the double-lug plate 101, a gear shifting mechanism 7 is sleeved on the third section 403 and the fourth section 404, under the connecting structure, the handle parts of the first arm 1 and the second arm 2 can rotate along the axis of the fixed shaft 4 to realize opening and closing, and in the process, the fixed shaft 4 cannot rotate along the axis thereof due to the existence of the second end;
the gear shifting mechanism 7 comprises a multi-gear cam block 701, an adjusting cylinder 702 and a spring 703, wherein the multi-gear cam block 701 is sleeved on the parts of the third section 403 and the fourth section 404, the side wall of the multi-gear cam block 701 is provided with a plurality of cam structures 704 with different sizes, the adjusting cylinder 702 is sleeved on the part of the fourth section 404, the spring 703 is sleeved on the part of the fourth section 404 and is positioned in the inner cavity of the adjusting cylinder 702, one end of the spring 703 is limited below the tail end of the fourth section 404, the other end of the spring 703 is limited in the inner cavity of the adjusting cylinder 702, a clamping groove 705 is formed below each cam structure 704 of the multi-gear cam block 701, the upper end face of the third section 403 is provided with a clamping block 405, and one clamping groove 705 is clamped in the clamping block 405;
the first arm 1 or the second arm 2 is provided with a pointer 6 pointing to the dial 5;
the area between the two rotating wheels 3 and the multi-gear cam block 701 is a bar placing area;
when the multi-gear cam adjusting device is used, an appropriate cam structure 704 is selected according to the angle of the rod to be bent, the multi-gear cam is rotated quickly after the adjusting cylinder 702 is lifted up, so that the appropriate cam structure 704 is positioned between the two rotating wheels 3, the adjusting cylinder 702 is sent, the clamping grooves 705 are clamped in the early clamping blocks 405, the handles of the first arm 1 and the second arm 2 are in an open state, the rod to be bent is placed in a rod placing area, the first arm 1 and the second arm 2 are required to be slightly rotated due to different diameters of the rod, the rod is required to be in contact with the two rotating wheels and one cam structure 704 at three points, the rod diameters are different due to different gears of the multi-gear cam block 701, the contact points of different rods are inconsistent, at the moment, a manual adjusting disc is required to point a scale of 0 only, after adjustment, the first arm 1 and the second arm 2 are pressurized to bend the rod, and the numerical value at the superposition position of the pointer 6 and the second arm 5 is the angle of the bent rod.
In this embodiment, the gear shifting mechanism 7 further includes a limiting nail 706, the limiting nail 706 is disposed at the top of the fourth section 404, a supporting surface is disposed in the inner cavity of the adjusting cylinder 702, the spring 703 is disposed between the bottom of the limiting nail 706 and the top of the supporting surface, so that the spring 703 is convenient to automatically reset, and the spring 703 is convenient to replace.
In this embodiment, a dial 501 is disposed on one side of the dial 5, so as to facilitate dialing the dial 5.
In this embodiment, the scale disc 5 is provided with a 0 scale, and both sides of the 0 scale are provided with angle scale marks.
In this embodiment, the sides of the rotating wheel 3 and the multi-gear cam block 701 are provided with arc grooves, so as to accommodate the rod.
In this embodiment, the upper end surface of the dial 5 is provided with a cylindrical groove, and the scale marks are disposed outside the cylindrical groove, and the lower end of the multi-gear cam block 701 is cylindrical and is accommodated in the cylindrical groove.
In this embodiment, the position of the first arm 1 where the monaural board 201 is disposed is curved in a direction away from the monaural board 201, and the position of the second arm 2 where the binaural board 101 is disposed is curved in a direction away from the binaural board 101, so as to increase the pressing operation range when bending the rod.
In this embodiment, the handles of the first arm 1 and the second arm 2 are provided with anti-slip grooves.
In this embodiment, a carrying handle is provided on the outer wall of the adjusting cylinder 702, so that the adjusting cylinder 702 can be lifted up to rotate the multi-gear adjusting block.
In this embodiment, the hand-held grip member is provided with a gear identifier corresponding to the position of each cam structure 704 on the multi-gear cam block 701.
The foregoing embodiments are merely examples of the present utility model, and the scope of the present utility model includes, but is not limited to, the forms and styles of the foregoing embodiments, and any suitable changes or modifications made by those skilled in the art, which are consistent with the claims of the present utility model, shall fall within the scope of the present utility model.
Claims (10)
1. The utility model provides a many gears measurement angle bar bender which characterized in that: including first arm, second arm, runner, fixed axle, calibrated scale, pointer and gear shifting mechanism, wherein:
a double-lug plate is arranged on one axial side of the first arm, a single-lug plate is arranged on one axial side of the second arm, the single-lug plate is inserted into the double-lug plate, circular through holes are formed in one of the double-lug plate and the single-lug plate, non-circular through holes are formed in the other of the double-lug plate, and the first arm and the second arm are divided into a head part and a handle part along the single-lug plate and the double-lug plate;
the heads of the first arm and the second arm are respectively provided with a rotating wheel in a rotating way, the axes of the rotating wheels are parallel to the axes of the round perforation, and the rotating wheels rotate along the axes of the rotating wheels;
the fixed shaft comprises a first section, a second section, a third section and a fourth section from bottom to top, and the first section passes through the non-circular perforation and the circular perforation and is limited on the first arm and the second arm through a first screw; the second section is matched with the non-circular perforation in shape and is clamped in the non-circular perforation; a dial is limited between the lower end surface of the third section and one of the plate bodies of the double-lug plate, and a gear shifting mechanism is sleeved on the third section and the fourth section;
the gear shifting mechanism comprises a multi-gear cam block, an adjusting cylinder and a spring, wherein the multi-gear cam block is sleeved on the parts of the third section and the fourth section, the side wall of the multi-gear cam block is provided with a plurality of cam structures with different sizes, the adjusting cylinder is sleeved on the part of the fourth section, the spring is sleeved on the part of the fourth section and is positioned in the inner cavity of the adjusting cylinder, one end of the spring is limited below the tail end of the fourth section, the other end of the spring is limited in the inner cavity of the adjusting cylinder, clamping grooves are formed in the lower part of each cam structure of the multi-gear cam block, the upper end face of the third section is provided with a clamping block, and one clamping groove is clamped in the clamping block;
a pointer pointing to the dial is arranged on the first arm or the second arm;
the area between the two rotating wheels and the multi-gear cam block is a bar placing area.
2. The multi-gear measuring angle bar bender according to claim 1, wherein: the gear shifting mechanism further comprises a limit nail, the limit nail is arranged at the top of the fourth section, a supporting surface is arranged in the inner cavity of the adjusting cylinder, and the spring is arranged between the bottom of the limit nail and the top of the supporting surface.
3. The multi-gear measuring angle bar bender according to claim 1, wherein: one side of the dial is provided with a poking hand.
4. The multi-gear measuring angle bar bender according to claim 1, wherein: the dial is provided with a 0 scale, and both sides of the 0 scale are provided with angle scale marks.
5. The multi-gear measuring angle bar bender according to claim 1, wherein: arc grooves are formed in the side faces of the rotating wheel and the multi-gear cam block.
6. The multi-gear measuring angle bar bender according to claim 1, wherein: the upper end face of calibrated scale is provided with cylindrical recess, and the scale mark sets up outside cylindrical recess, and the lower extreme of multispeed cam piece is cylindrically and holds in cylindrical recess.
7. The multi-gear measuring angle bar bender according to claim 1, wherein: the position of the first arm, at which the monaural plate is arranged, is bent in a direction away from the monaural plate, and the position of the second arm, at which the binaural plate is arranged, is bent in a direction away from the binaural plate.
8. The multi-gear measuring angle bar bender according to claim 1, wherein: the handles of the first arm and the second arm are provided with anti-skid grooves.
9. The multi-gear measuring angle bar bender according to claim 1, wherein: the outer wall of the adjusting cylinder is provided with a hand-held piece.
10. The multi-gear measurement angle bar bender of claim 9, wherein: the portable holding piece is provided with a gear mark corresponding to the position of each cam structure on the multi-gear cam block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320604697.8U CN220309186U (en) | 2023-03-24 | 2023-03-24 | Multi-gear angle-measuring bar bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320604697.8U CN220309186U (en) | 2023-03-24 | 2023-03-24 | Multi-gear angle-measuring bar bending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220309186U true CN220309186U (en) | 2024-01-09 |
Family
ID=89424354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320604697.8U Active CN220309186U (en) | 2023-03-24 | 2023-03-24 | Multi-gear angle-measuring bar bending device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220309186U (en) |
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2023
- 2023-03-24 CN CN202320604697.8U patent/CN220309186U/en active Active
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