CN108113728B - Medical bone grinder - Google Patents
Medical bone grinder Download PDFInfo
- Publication number
- CN108113728B CN108113728B CN201710014929.3A CN201710014929A CN108113728B CN 108113728 B CN108113728 B CN 108113728B CN 201710014929 A CN201710014929 A CN 201710014929A CN 108113728 B CN108113728 B CN 108113728B
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- Prior art keywords
- consumable
- base
- pressing plate
- convex part
- motor
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 20
- 208000010392 Bone Fractures Diseases 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The application provides a medical bone grinder, which comprises a base structure and a consumable structure, wherein the consumable structure is arranged on the base structure; the base structure comprises a motor, a base cover plate, an inner sleeve, an end face pressing plate, a holding shaft, a bearing, a connecting seat and a shell; the consumable structure comprises an upper cover, a broken bone bowl, a consumable base and a cutter component. The holding shaft connected with the motor is meshed with the cutter component at the bottom of the broken bone bowl, the cutter component is used for crushing and grinding along with the operation of the motor, and the rotary key arranged on the end face pressing plate is used for easily ejecting the consumable structure from the base structure through the lever principle, so that the replacement is convenient. The medical bone grinder provided by the application has the advantages of simple connection mode, simplified consumable material taking-out mode, optimized mechanical structure, reduced manufacturing cost, reduced vibration and noise, and attractive overall appearance.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a medical bone grinder.
Background
With the advancement and development of medicine, the requirements for medical appliances are also increasing. The bone grinder for medical treatment in the market mainly depends on an inlet, and the medical bone grinder is mainly divided into two parts, wherein one part is a main machine, the other part is a consumable, and the consumable is a disposable product and needs to be replaced in time.
The prior art on the market has the following drawbacks: (1) the connection mode of the consumable material is complex; (2) the structure is complex, and the cost is high; (3) unstable transmission and low efficiency; (4) the appearance is not attractive, and the immediate visual sense is affected.
Disclosure of Invention
The invention aims to provide a medical bone grinder which has the advantages of simple connection mode, stable transmission, simplification and optimization of a mechanism, cost reduction and attractive appearance.
In order to achieve the above object, the present invention provides a medical bone grinder, comprising a base structure and a consumable structure, wherein the consumable structure is mounted on the base structure; the base structure comprises a motor, a base cover plate, an inner sleeve, an end face pressing plate, a holding shaft, a bearing, a connecting seat and a shell; the consumable structure comprises an upper cover, a broken bone bowl, a consumable base and a cutter component; wherein,
The connecting seat is provided with an axially through cavity, the side wall of the connecting seat is provided with an elastic component for clamping and fixing the consumable structure, and the connecting seat is arranged on the end face pressing plate;
one end of the inner sleeve is provided with the base cover plate, and the other end of the inner sleeve is provided with the end face pressing plate;
The motor is provided with a circuit board connected with the end face pressing plate, the circuit board is arranged on the base cover plate, and the motor and the circuit board are both arranged in the inner sleeve;
The end face pressing plate is provided with an axial through hole, an output shaft of the motor penetrates through the through hole and is arranged at the outer side of the end face pressing plate, the end face pressing plate is provided with two symmetrical clamping positions, and the clamping positions are provided with rotary keys for ejecting the consumable structure;
The holding shaft is connected with the bearing and is fixedly connected to an output shaft of the motor, which is arranged on the outer side of the end face pressing plate;
The base cover plate is fixedly arranged in the shell, and key holes corresponding to the rotary keys are formed in the side wall of the shell.
Further, in the medical bone grinder, an inclined convex part is arranged on the inner side surface of one end of the rotary key, a convex snap fastener is arranged on the outer side surface of the other end of the rotary key, a clamping shaft part is arranged at one end of the rotary key, provided with the convex part, of the rotary key, the rotary key is installed on the clamping position through the clamping shaft part, and the rotary key rotates by taking the clamping shaft part as an axle center.
Furthermore, in the medical bone grinder, two through positioning holes are arranged on the side wall of the inner sleeve, and the positioning holes are provided with fixing parts for fixing the electric wires.
Further, in the medical bone grinder, six countersunk holes are formed in the inner side wall of the connecting seat, threaded holes are formed in the outer portions of the countersunk holes, and the threaded holes are located in the outer side wall of the connecting seat.
Further, in the medical bone grinder, the elastic component comprises a spring and a steel ball, the steel ball is arranged in the countersunk hole, and the spring is fixed in the threaded hole through an inner hexagonal flat end set screw.
Further, in the medical bone grinder, the cutter assembly is provided with a groove edge, and the groove edge is in clamping connection with the elastic component.
Further, in the medical bone grinder, the housing is provided with a hole groove, and a switch for controlling the motor to work is arranged in the hole groove.
Further, in the medical bone grinder, an anti-slip foot pad is arranged at the bottom of the shell.
Compared with the prior art, the invention has the beneficial effects that: the connection mode is simple, the consumable taking-out mode is simplified, the mechanical structure is optimized, the manufacturing cost is reduced, the vibration and noise are reduced, and the whole device has attractive appearance.
Drawings
FIG. 1 is a schematic view of a medical bone grinder according to the present invention;
FIG. 2 is a schematic view of a split structure of the base structure of FIG. 1;
FIG. 3 is a schematic diagram illustrating a disassembly structure of the connecting base in FIG. 2;
FIG. 4 is a schematic diagram of the rotary key of FIG. 2;
Fig. 5 is a schematic diagram of a disassembling structure of the consumable structure in fig. 1.
Detailed Description
As shown in fig. 1, the invention provides a medical bone grinder, which comprises a base structure 1 and a consumable structure 2, wherein the consumable structure 2 is arranged on the base structure 1; the base structure 1 comprises a motor 11, a base cover plate 12, an inner sleeve 13, an end face pressing plate 14, a holding shaft 15, a bearing 16, a connecting seat 17 and a shell 18; the consumable structure 2 comprises an upper cover 21, a broken bone bowl 22, a consumable base 23 and a cutter assembly 24.
Specifically, as shown in fig. 1 to 3, the connecting seat 17 is provided with an axially through cavity 173, an elastic component 19 for clamping and fixing the consumable structure 2 is arranged on the side wall of the connecting seat 17, a first sealing ring 171 is arranged on one side of the connecting seat 17, which is not connected with the end face pressing plate 14, when the consumable structure 2 is installed on the base structure 1, the first sealing ring contacts with the bottom end face of the broken bone bowl 22, and the first sealing ring 171 can effectively prevent vibration generated by the broken bone bowl 22 along with the operation of the cutter assembly 24 during working, so that a good damping effect is achieved. Further, in this embodiment, six countersunk holes (not shown) are provided on the inner side wall of the connection seat 17, and a threaded hole 172 is provided on the outer side of the countersunk holes, and the threaded hole 172 is located on the outer side wall of the connection seat 17. The elastic component 19 includes a spring 191 and a steel ball 192, the steel ball 192 is disposed in the countersink, the steel ball 192 can leak a part of the inner side of the connecting seat 17 in the countersink, but cannot leak completely, the spring 191 is fixed in the threaded hole by an inner hexagonal flat end set screw 193, and the steel ball 192 can perform telescopic movement on the inner side wall of the connecting seat 17 under the action of the spring 191.
As shown in fig. 2, one end of the inner sleeve 13 is provided with the base cover plate 12, and the other end is provided with the end face pressing plate 14; the motor 11 is provided with a circuit board 111 connected with the motor 11, the motor 11 is fixedly connected with the end face pressing plate 14, the circuit board 111 is arranged on the base cover plate 12, and the motor 11 and the circuit board 111 are both arranged in the inner sleeve 13; the end face pressing plate 14 is provided with a through hole 141 which is penetrated in the axial direction, and the output shaft of the motor 11 penetrates through the through hole 141 and is arranged outside the end face pressing plate 14. Further, in this embodiment, the base cover plate 12 and the end face pressing plate 14 are respectively installed at two ends of the inner sleeve 13, and second sealing rings (not shown) for sealing are respectively provided therein, so that the second sealing rings at two ends of the inner sleeve 13 can play a role in buffering and damping when the motor 11 works. Two through positioning holes 131 are formed in the side wall of the inner sleeve 13, the positioning holes 131 are provided with fixing parts 132 for fixing the electric wires, loose movement of the electric wires can be avoided, positions of the electric wires can be controlled better, and the fixing parts 132 are hexagonal hollow screws.
As shown in fig. 1 to 2, the end-face pressing plate 14 is provided with two symmetrical clamping positions 141, the clamping positions 141 are provided with rotary keys 142 for ejecting the consumable structure 2, and the side wall of the housing 18 is provided with key holes 181 corresponding to the rotary keys 142. Further, in this embodiment, as shown in fig. 4, an inclined protrusion 1421 is provided on an inner side surface of one end of the rotary key 142, a protrusion snap button 1422 is provided on an outer side surface of the other end, a locking shaft portion 1423 is provided on one end of the rotary key 142 provided with the protrusion 1421, the rotary key 142 is mounted on the locking position 141 through the locking shaft portion 1423, and the rotary key 142 rotates around the locking shaft portion 1423 as an axis. When the consumable structure 2 is installed on the base structure 1, the bottom end of the consumable base 23 just abuts against the convex part 1421 of the rotary key 142, according to the lever principle, when the snap button 1422 of the rotary key 142 moves inwards, the rotary key 142 rotates by taking the clamping shaft part 1423 as the axis, the convex part 1421 of the rotary key 142 moves outwards along with the outward movement, the bottom end of the consumable base 23 abutting against the end face of the convex part 1421 receives the thrust of the convex part 1421, and the inclined design of the convex part 1421 ensures that the bottom end of the consumable base 23 always receives the thrust of the same direction when the convex part 1421 moves, and the consumable base 23 moves outwards under the thrust of the convex part 1421.
As shown in fig. 1 to 2, the connecting seat 17 is mounted on the end face pressing plate 14, the holding shaft 15 is communicated with the bearing 16 and is fixedly connected to an output shaft of the motor 11 disposed outside the end face pressing plate 14, the holding shaft 15 is disposed in a cavity 173 of the connecting seat 17, the base cover plate 12 is fixedly mounted inside the housing 18, and structures connected with the base cover plate 12 are disposed in the housing 18. Further, in this embodiment, a cross groove (not shown) is disposed at the top of the holding shaft 15, and is used for being meshed with the cutter assembly 24 of the consumable structure 2 to realize transmission, so that when the motor 11 works, the holding shaft 15 rotates to drive the cutter assembly 24 to rotate, and the grinding function is realized. The housing 18 is provided with a slot (not shown) in which a switch 182 is provided for controlling the operation of the motor 11. And the bottom of the housing 18 is provided with a non-slip foot pad (not shown).
Specifically, as shown in fig. 1 to 5, the upper cover 21, the broken bone bowl 22 and the consumable base 23 in the consumable structure 2 are sequentially connected, the cutter component 24 is fixed in the middle of the outer side of the bottom end of the broken bone bowl 22, the consumable base 23 is of a hollow structure, the cutter component 24 is located in the consumable base 23, the bottom of the consumable base 23 is provided with a square groove-shaped protrusion 231, the end face of the inner side of the shell 18 is provided with a groove (not shown) matched with the square groove-shaped protrusion 231, the consumable structure 2 is better fixed, vibration or rotation during operation is avoided, and the position of the consumable structure 2 is deviated or moves along with the rotation of the cutter component 24. Further, in this embodiment, the cutter assembly 24 is provided with a slot edge 241, where the slot edge 241 is in snap connection with the elastic component 19, so that the consumable structure 2 can be better fixed, so that the cutter assembly 24 and the holding shaft 15 can be engaged all the time, when the consumable structure 2 is ejected out by rotating the key 142, the consumable structure 2 is pushed by the pushing force of the outward movement, the cutter assembly 24 moves outward therewith, and the steel ball 192 is pressed by the cutter assembly 24 to retract toward the outer side of the connection seat 17, so that the cutter assembly 24 is separated from the locking of the elastic component 19.
In conclusion, the medical bone grinder provided in the embodiment has the advantages of simple connection mode, simplified consumable extraction mode, optimized mechanical structure, reduced manufacturing cost, reduced vibration and noise, and attractive overall appearance.
Claims (1)
1. The medical bone grinder is characterized by comprising a base structure and a consumable structure, wherein the consumable structure is arranged on the base structure; the base structure comprises a motor, a base cover plate, an inner sleeve, an end face pressing plate, a holding shaft, a bearing, a connecting seat and a shell; the consumable structure comprises an upper cover, a broken bone bowl, a consumable base and a cutter component; the connecting seat is provided with an axially through cavity, the side wall of the connecting seat is provided with an elastic component for clamping and fixing the consumable structure, and the connecting seat is arranged on the end face pressing plate; one end of the inner sleeve is provided with the base cover plate, and the other end of the inner sleeve is provided with the end face pressing plate; the motor is provided with a circuit board connected with the end face pressing plate, the circuit board is arranged on the base cover plate, and the motor and the circuit board are both arranged in the inner sleeve; the end face pressing plate is provided with an axial through hole, and an output shaft of the motor penetrates through the through hole and is arranged at the outer side of the end face pressing plate;
The end face pressing plate is provided with two symmetrical clamping positions, the clamping positions are provided with rotary keys for ejecting the consumable structure, the inner side face of one end of each rotary key is provided with an inclined convex part, the outer side face of the other end of each rotary key is provided with a convex snap fastener, one end of each rotary key, which is provided with the convex part, is provided with a clamping shaft part, the rotary keys are arranged on the clamping positions through the clamping shaft parts, and the rotary keys rotate by taking the clamping shaft parts as axes; the side wall of the shell is provided with a key hole corresponding to the rotary key, and when the consumable structure is arranged on the base structure, the bottom end of the consumable base just abuts against the convex part of the rotary key; when the snap fastener of the rotary key moves inwards, the rotary key rotates by taking the clamping shaft part as the axis, the convex part of the rotary key moves outwards along with the convex part, the bottom end of the consumable base propped against the end face of the convex part receives the thrust of the convex part, and the inclined design of the convex part ensures that the bottom end of the consumable base always receives the thrust in the same direction when the convex part moves, and the consumable base moves outwards under the thrust of the convex part;
the holding shaft is communicated with the bearing and is connected and fixed on an output shaft of the motor, which is arranged on the outer side of the end face pressing plate; the base cover plate is fixedly arranged in the shell, a key hole corresponding to the rotary key is formed in the side wall of the shell, two through positioning holes are formed in the side wall of the inner sleeve, and a fixing part for fixing the electric wire is arranged in the positioning holes;
Six countersunk holes are formed in the inner side wall of the connecting seat, threaded holes are formed in the outer side wall of the countersunk holes, the threaded holes are formed in the outer side wall of the connecting seat, the elastic component comprises a spring and steel balls, the steel balls are arranged in the countersunk holes, and the spring is fixed in the threaded holes through inner hexagonal flat end set screws;
The cutter assembly is provided with a groove edge, the groove edge is connected with the elastic component in a clamping mode, the shell is provided with a hole groove, a switch for controlling the motor to work is arranged in the hole groove, and an anti-slip foot pad is arranged at the bottom of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014929.3A CN108113728B (en) | 2017-01-09 | Medical bone grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014929.3A CN108113728B (en) | 2017-01-09 | Medical bone grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108113728A CN108113728A (en) | 2018-06-05 |
| CN108113728B true CN108113728B (en) | 2024-07-02 |
Family
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2785800Y (en) * | 2005-02-02 | 2006-06-07 | 陈忆莹 | Base frame detachment structure of screw opener |
| CN106108973A (en) * | 2016-08-08 | 2016-11-16 | 苏州益诺斯医疗科技有限公司 | A kind of medical dynamical system main frame |
| CN206896372U (en) * | 2017-01-09 | 2018-01-19 | 上海博进凯利泰医疗科技有限公司 | A kind of medical bone mill |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2785800Y (en) * | 2005-02-02 | 2006-06-07 | 陈忆莹 | Base frame detachment structure of screw opener |
| CN106108973A (en) * | 2016-08-08 | 2016-11-16 | 苏州益诺斯医疗科技有限公司 | A kind of medical dynamical system main frame |
| CN206896372U (en) * | 2017-01-09 | 2018-01-19 | 上海博进凯利泰医疗科技有限公司 | A kind of medical bone mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 201712 Room 302, building 1, No. 508, Tianchen Road, Qingpu District, Shanghai Applicant after: Shanghai ligetai Medical Equipment Co.,Ltd. Address before: 201712 Room 302, building 1, No. 508, Tianchen Road, Qingpu District, Shanghai Applicant before: SHANGHAI BOJIN KAILITAI MEDICAL TECHNOLOGY CO.,LTD. |
|
| GR01 | Patent grant |