CN112472201B - Self-locking mechanism and self-locking joint planing device - Google Patents
Self-locking mechanism and self-locking joint planing device Download PDFInfo
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- CN112472201B CN112472201B CN202011461316.2A CN202011461316A CN112472201B CN 112472201 B CN112472201 B CN 112472201B CN 202011461316 A CN202011461316 A CN 202011461316A CN 112472201 B CN112472201 B CN 112472201B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 37
- 230000000694 effects Effects 0.000 description 8
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000005067 joint tissue Anatomy 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/16—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans
- A61B17/1659—Surgical rasps, files, planes, or scrapers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/16—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/162—Chucks or tool parts which are to be held in a chuck
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention provides a self-locking mechanism, and relates to the technical field of medical cutters. The self-locking mechanism comprises a rotary sleeve, a connecting cylinder and a connecting column which are sequentially sleeved from outside to inside; the inner wall of the rotary sleeve is provided with a limiting ring table, and the first end face of the connecting cylinder faces the limiting ring table; the first end face is provided with a first notch, and the limiting ring table is provided with a second notch; a limit bump is arranged on the ring surface of the connecting column; an elastic piece and a retaining device are arranged between the rotary sleeve and the connecting cylinder, the elastic piece is used for driving the rotary sleeve to rotate relative to the connecting cylinder, and the retaining device is used for limiting the rotary sleeve to move relative to the connecting cylinder along the axial direction of the rotary sleeve. The self-locking mechanism solves the problem that the cutter head is inconvenient to install and detach by utilizing three structures of the rotary sleeve, the connecting cylinder and the connecting column, the elastic piece and the retaining device and through relative rotation and movement operation among the components. On the basis, the invention also provides a self-locking joint planer.
Description
Technical Field
The invention relates to the technical field of medical cutters, in particular to a self-locking mechanism and a self-locking joint planer.
Background
The medical procedure often requires cutting and repair of diseased joint tissue using a joint planer.
In order to fixedly mount the tool, prior art joint shavers typically either use a set screw to screw the tool to the handle or a threaded sleeve to hold and screw the tool to the handle.
For medical operations which are necessary for the minute and pay attention to efficiency, the cutter has low disassembly and assembly efficiency because of the complex installation and fixation structure.
Disclosure of Invention
The invention aims to provide a self-locking mechanism and a self-locking joint planer, which are helpful for solving the technical problems.
The invention is realized in the following way:
The self-locking mechanism comprises a rotary sleeve, a connecting cylinder and a connecting column which are sequentially sleeved from outside to inside; a limiting ring table is arranged on the inner wall of the rotary sleeve, and the first end face of the connecting cylinder faces the limiting ring table; the first end face is provided with a first notch, and the limiting ring table is provided with a second notch; a limiting bump is arranged on the ring surface of the connecting column; an elastic piece and a retaining device are arranged between the rotary sleeve and the connecting cylinder, the elastic piece is used for driving the rotary sleeve to rotate relative to the connecting cylinder, and the retaining device is used for limiting the rotary sleeve to move relative to the connecting cylinder along the axial direction of the rotary sleeve.
Before the self-locking mechanism is used, the rotary sleeve is movably arranged on the periphery of the connecting cylinder by the retaining device, so that the rotary sleeve can only rotate relative to the connecting cylinder and cannot move relative to the connecting cylinder. The installation operation steps are as follows: the rotary sleeve is manually screwed (or the limit lug is moved into the second notch, and then the rotary connecting column drives the rotary sleeve to rotate), so that the first notch and the second notch which are staggered are aligned. At this time, the elastic member is compressed or stretched to accumulate elastic potential energy. The limit bump is then moved into the first notch along the axis of the rotating sleeve. At this time, the rotating sleeve is not blocked by the human hand and the limiting ring table, so that the rotating sleeve is pushed to rotate by the restoring elastic force of the elastic piece and finally rotates to the initial position. In the initial position, the first notch and the second notch are dislocated again, so that the connecting column is locked by the limiting ring table and cannot be withdrawn from the connecting cylinder. The disassembling operation steps are as follows: the rotating sleeve is manually screwed to realign the first notch and the second notch that are offset from each other. At this time, the limit bump is not limited and can be removed from the first notch through the second notch. Then, the connecting column is smoothly taken out from the connecting cylinder.
Further, the elastic piece comprises a U-shaped spring, an accommodating plane is arranged on the outer ring surface of the connecting cylinder, and a counter bore is arranged on one side, facing the first end surface, of the limiting ring table; the U-shaped spring is arranged between the containing plane and the inner wall of the rotary sleeve, and one end of the U-shaped spring is inserted into the counter bore. The technical effects are as follows: the U-shaped spring is used as a special-shaped structure spring piece and is easy to install between two structural members, and the two ends of the U-shaped spring are provided with durable elasticity at a short distance. One end of the U-shaped spring bent is relatively fixed with the connecting cylinder, and the other end of the U-shaped spring is inserted into the counter bore and relatively fixed with the rotary sleeve. Alternatively, both ends of the U-shaped spring may be inserted into the counterbore.
Further, the elastic member includes a clockwork spring; the inner end head of the clockwork spring is fixed on the connecting cylinder, and the outer end head of the clockwork spring is fixed on the rotating sleeve. The technical effects are as follows: most structures of the clockwork spring are in a spiral shape and are arranged on the connecting cylinder, and the outer end head can store elastic potential energy after pulling the spiral clockwork spring.
Further, the backstop device comprises a pin; the outer annular surface of the connecting cylinder is provided with an annular groove, and the pin penetrates through the side wall of the rotating sleeve along the radial direction of the rotating sleeve and is inserted into the annular groove. The technical effects are as follows: the pin is inserted into the annular groove to prevent the rotary sleeve from moving along the axis relative to the connecting cylinder. The number of pins should be plural, and the plural pins are uniformly distributed along the circumferential direction of the rotating sleeve.
Further, the backstop device comprises a pin; the outer ring surface of the connecting cylinder is provided with an annular groove, the pin penetrates through the side wall of the rotating sleeve in a direction parallel to the tangent line of the rotating sleeve, and a part of the pin is located in the annular groove. The technical effects are as follows: the pin penetrates the rotating sleeve in a direction parallel to the tangential line of the rotating sleeve, and the middle part of the pin is positioned in the inner cavity of the rotating sleeve and in the annular groove to prevent the rotating sleeve from moving along the axial direction of the rotating sleeve.
Further, the pin is in interference fit insertion connection with the side wall of the rotary sleeve. The technical effects are as follows: the pin is mounted and fixed without providing other stop buckles or stop pins, which is particularly important for surgical instruments. Alternatively, the pin may be screwed into the rotatable sleeve.
Further, a guide cone block is arranged on the first end face of the connecting cylinder, and a guide inclined plane is arranged on the guide cone block and used for guiding and moving the limit lug from the second notch to the first notch. The technical effects are as follows: after the connecting column is pushed, the limiting lug is placed in the second notch, the connecting column is continuously pushed towards the same direction, and then the limiting lug can enter the first notch under the guidance of the guiding inclined plane of the guiding cone block, and meanwhile, the rotating sleeve is driven to rotate.
Further, the first notch and the limit bump are equal in length in the axial direction of the rotating sleeve. The technical effects are as follows: after the limiting lug is arranged in the first notch, the connecting column can be prevented from axially moving relative to the connecting cylinder as much as possible.
The utility model provides a self-locking joint planer, its includes handle of a knife, tool bit and foretell self-locking mechanism, the connecting cylinder sets up on the handle of a knife, the tool bit sets up in the spliced pole.
Further, the axis of the tool bit coincides with the axis of the connecting post. The technical effects are as follows: because the tool bit rotates at a high speed around the axis in operation, the tool bit is coaxial with the connecting column, the rotation stability is higher, and the operation efficiency and accuracy are higher.
The beneficial effects of the invention are as follows:
The self-locking mechanism and the self-locking joint planer of the invention utilize three structures of the rotary sleeve, the connecting cylinder and the connecting column, and the elastic piece and the retaining device, and simplify the installation and fixation structure of the cutter and improve the disassembly and assembly efficiency of the cutter through the relative rotation and movement operation among the components.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a self-locking mechanism according to a first embodiment of the present invention;
FIG. 2 is an exploded cross-sectional view of a self-locking mechanism provided by a first embodiment of the present invention;
FIG. 3 is a cross-sectional view of a self-locking mechanism according to a first embodiment of the present invention;
FIG. 4 is an exploded view of a self-locking mechanism according to a second embodiment of the present invention;
FIG. 5 is an exploded cross-sectional view of a self-locking mechanism provided by a second embodiment of the present invention;
FIG. 6 is a cross-sectional view of the related structure of the clockwork spring in the self-locking mechanism provided by the second embodiment of the present invention;
fig. 7 is a cross-sectional view of a self-locking joint planer according to a third embodiment of the invention.
Icon: 100-rotating the sleeve; 110-a limiting ring table; 111-a second notch; 200-connecting a cylinder; 210-a first notch; 220-an annular groove; 230-guiding cone blocks; 300-connecting columns; 310-limit bump; 410-U-shaped spring; 420-a clockwork spring; 500-pins; 600-knife handle; 700-cutter head.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. The components of the embodiments of the present invention, as generally described and illustrated in the figures, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
First embodiment:
FIG. 1 is an exploded view of a self-locking mechanism according to a first embodiment of the present invention; FIG. 2 is an exploded cross-sectional view of a self-locking mechanism provided by a first embodiment of the present invention; fig. 3 is a structural cross-sectional view of a self-locking mechanism provided in a first embodiment of the present invention. Referring to fig. 1, 2 and 3, the present embodiment provides a self-locking mechanism, which includes a rotary sleeve 100, a connecting cylinder 200 and a connecting post 300 sequentially sleeved from outside to inside.
Wherein, the inner wall of the rotary sleeve 100 is provided with a limiting ring table 110, and the first end surface of the connecting cylinder 200 faces the limiting ring table 110; the first end face is provided with a first notch 210, and the limiting ring table 110 is provided with a second notch 111; a limit bump 310 is arranged on the ring surface of the connecting column 300; an elastic member for driving the rotation of the rotation sleeve 100 with respect to the coupling cylinder 200 and a retaining device for restricting the movement of the rotation sleeve 100 with respect to the coupling cylinder 200 in the axial direction of the rotation sleeve 100 are provided between the rotation sleeve 100 and the coupling cylinder 200.
The use condition of the self-locking mechanism mainly comprises two states. In the initial state, the first notch 210 is offset-opposed to the second notch 111; after the rotating sleeve 100 is rotated to align the second notch 111 with the first notch 210, the connecting post 300 can be pushed to enable the limit bump 310 to enter the first notch 210 through the second notch 111; after the limit bump 310 enters the first notch 210, the rotating sleeve 100 can be driven by the elastic member to return to the initial position, and is in a self-locking state at this time. The self-locking mechanism can also be changed from the self-locking state back to the initial state by a reverse operation.
Preferably, the first end surface of the connecting cylinder 200 abuts against the stop collar table 110, and the area of the first end surface of the connecting cylinder 200 is equal to the cross-sectional area of the stop collar table 110.
Further optionally, as shown in fig. 1, the elastic member includes a U-shaped spring 410, an accommodating plane is disposed on an outer ring surface of the connecting cylinder 200, and a counter bore (not labeled) is disposed on a side of the limiting ring table 110 facing the first end surface; the U-shaped spring 410 is disposed between the accommodation plane and the inner wall of the rotating sleeve 100, and one end of the U-shaped spring 410 is inserted into the counter bore. Wherein, one end of the U-shaped spring 410 is bent and fixed relatively to the connecting cylinder 200, and the other end is inserted into the counter bore and fixed relatively to the rotating sleeve 100.
Further optionally, as shown in fig. 1,2, 3, the backstop device comprises a pin 500; the outer circumferential surface of the coupling cylinder 200 is provided with an annular groove 220, and the pin 500 penetrates through the sidewall of the rotating sleeve 100 in the radial direction of the rotating sleeve 100 and is inserted into the annular groove 220. Wherein the pin 500 is inserted into the annular groove 220 to prevent the rotation sleeve 100 from moving along the axis with respect to the connection cylinder 200. It should be noted that the number of pins 500 should be plural, and the plural pins 500 are uniformly distributed along the circumferential direction of the rotating sleeve 100.
In this configuration, the pin 500 is inserted in an interference fit with the sidewall of the rotating sleeve 100. At this point, the mounting and securing of the pin 500 does not require the provision of additional backstop or backstop pins, which is particularly important for surgical instruments. Optionally, the pin 500 may also be screwed into the rotating sleeve 100.
The working principle and the operation method of the self-locking mechanism of the embodiment are as follows:
(1) Before use, the rotary sleeve 100 is movably arranged on the periphery of the connecting cylinder 200 by utilizing a retaining device, so that the rotary sleeve 100 can only rotate relative to the connecting cylinder 200 and cannot move relative to the connecting cylinder 200.
(2) The installation operation steps are as follows: the rotating sleeve 100 is manually screwed (or the limit bump 310 is moved into the second notch 111, and then the rotating connecting post 300 drives the rotating sleeve 100 to rotate), so that the first notch 210 and the second notch 111 which are staggered with each other are aligned. At this time, the elastic member is compressed or stretched to accumulate elastic potential energy. The limit tab 310 is then moved along the axis of the rotating sleeve 100 into the first notch 210. At this time, the rotating sleeve 100 is not blocked by the human hand and the stopper ring table 110, so that it is rotated by the restoring elastic force of the elastic member, and finally rotated to the initial position. In the initial position, the first notch 210 and the second notch 111 are offset from each other again, so that the connection post 300 is locked by the stop collar 110 and cannot be withdrawn from the connection barrel 200.
(3) The disassembly operation steps are as follows: the rotating sleeve 100 is manually screwed to realign the first notch 210 and the second notch 111 that are offset from each other. At this time, the limit projection 310 is not limited and can be removed from the first slot 210 through the second slot 111. Then, the connection post 300 is smoothly taken out of the connection cylinder 200.
Second embodiment:
FIG. 4 is an exploded view of a self-locking mechanism according to a second embodiment of the present invention; FIG. 5 is an exploded cross-sectional view of a self-locking mechanism provided by a second embodiment of the present invention; fig. 6 is a cross-sectional view showing the related structure of a clockwork spring 420 in a self-locking mechanism according to a second embodiment of the present invention. Referring to fig. 4, 5 and 6, the present embodiment provides a self-locking mechanism, which is substantially the same as the self-locking mechanism of the first embodiment, and the difference between the two is that the elastic member in the self-locking mechanism of the present embodiment includes a spring 420; the inner end of the clockwork spring 420 is fixed on the connecting cylinder 200, and the outer end of the clockwork spring 420 is fixed on the rotating sleeve 100. Most of the clockwork spring 420 is in a spiral shape and is arranged on the connecting cylinder 200, and the outer end head can pull the spiral clockwork part and then accumulate elastic potential energy.
Further optionally, as shown in fig. 5, the backstop device comprises a pin 500; the outer circumferential surface of the coupling cylinder 200 is provided with an annular groove 220, a pin 500 penetrates the sidewall of the rotating sleeve 100 in a direction parallel to a tangential line of the rotating sleeve 100, and a portion of the pin 500 is located in the annular groove 220. Wherein the pin 500 penetrates the rotating sleeve 100 in a direction parallel to a tangential line of the rotating sleeve 100, and a middle portion of the pin 500 is located in an inner cavity of the rotating sleeve 100 and in the annular groove 220 to prevent the rotating sleeve 100 from moving along an axial direction thereof.
In this configuration, the pin 500 is an interference fit or threaded engagement with the sidewall of the rotating sleeve 100.
Wherein the retaining devices of the first and second embodiments described above may be replaced with each other.
Further, as shown in fig. 4, a guide cone block 230 is provided on the first end surface of the connecting cylinder 200, and a guide inclined surface is provided on the guide cone block 230. The guide slope connects the second notch 111 and the first notch 210 in an inclined manner. At this time, after the connection post 300 is pushed and the limit bump 310 is placed in the second notch 111, the connection post 300 is continuously pushed in the same direction, and then the limit bump 310 can enter the first notch 210 under the guidance of the guiding inclined plane of the guiding cone block 230, and simultaneously drives the rotating sleeve 100 to rotate. That is, the interlocking of the connection post 300 and the rotation sleeve 100 can be achieved by directly pushing the connection post 300 without manually operating the rotation sleeve.
Further, the outer wall of the rotating sleeve 100 is provided with anti-slip lines on the basis of any of the above embodiments.
Further, the first notch 210 and the limit projection 310 have the same length in the axial direction of the rotating sleeve 100.
Third embodiment:
Fig. 7 is a cross-sectional view of a self-locking joint planer according to a third embodiment of the invention. Referring to fig. 7, the present embodiment provides a self-locking joint planer, which includes a tool shank 600, a tool bit 700, and the self-locking mechanism of any of the above embodiments, wherein the connecting cylinder 200 is disposed on the tool shank 600, and the tool bit 700 is disposed in the connecting post 300.
Further, as shown in fig. 7, the axis of the tool bit 700 coincides with the axis of the connecting post 300.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The self-locking mechanism is characterized by comprising a rotary sleeve (100), a connecting cylinder (200) and a connecting column (300) which are sequentially sleeved from outside to inside;
A limiting ring table (110) is arranged on the inner wall of the rotary sleeve (100), and the first end face of the connecting cylinder (200) faces the limiting ring table (110); a first notch (210) is formed in the first end face, and a second notch (111) is formed in the limiting ring table (110); a limit bump (310) is arranged on the ring surface of the connecting column (300);
An elastic piece and a stopping device are arranged between the rotary sleeve (100) and the connecting cylinder (200), the elastic piece is used for driving the rotary sleeve (100) to rotate relative to the connecting cylinder (200), and the stopping device is used for limiting the rotary sleeve (100) to move relative to the connecting cylinder (200) along the axial direction of the rotary sleeve (100);
The backstop device comprises a pin (500); the outer ring surface of the connecting cylinder (200) is provided with an annular groove (220), and the pin (500) penetrates through the side wall of the rotating sleeve (100) along the radial direction of the rotating sleeve (100) and is inserted into the annular groove (220);
Or the backstop device comprises a pin (500); the outer annular surface of the connecting cylinder (200) is provided with an annular groove (220), the pin (500) penetrates through the side wall of the rotating sleeve (100) in a direction parallel to the tangent line of the rotating sleeve (100), and a part of the pin (500) is positioned in the annular groove (220);
A guide cone block (230) is arranged on the first end face of the connecting cylinder (200), and a guide inclined plane is arranged on the guide cone block (230) and used for guiding and moving the limit lug (310) from the second notch (111) to the first notch (210).
2. The self-locking mechanism according to claim 1, wherein the elastic member comprises a U-shaped spring (410), a receiving plane is provided on an outer ring surface of the connecting cylinder (200), and a counter bore is provided on a side of the limiting ring table (110) facing the first end surface; the U-shaped spring (410) is arranged between the accommodating plane and the inner wall of the rotary sleeve (100), and one end of the U-shaped spring (410) is inserted into the counter bore.
3. The self-locking mechanism of claim 1, wherein the elastic member comprises a clockwork spring (420); the inner end of the clockwork spring (420) is fixed on the connecting cylinder (200), and the outer end of the clockwork spring (420) is fixed on the rotating sleeve (100).
4. The self-locking mechanism of claim 1, wherein the pin (500) is in interference fit engagement with a side wall of the rotating sleeve (100).
5. The self-locking mechanism of claim 1, wherein the first notch (210) and the limit bump (310) are equal in length in an axial direction of the rotating sleeve (100).
6. The self-locking joint planer is characterized by comprising a cutter handle (600), a cutter head (700) and the self-locking mechanism according to any one of claims 1-5, wherein the connecting cylinder (200) is arranged on the cutter handle (600), and the cutter head (700) is arranged in the connecting column (300).
7. The self locking joint planer of claim 6, wherein the axis of the cutter head (700) coincides with the axis of the connecting post (300).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011461316.2A CN112472201B (en) | 2020-12-08 | 2020-12-08 | Self-locking mechanism and self-locking joint planing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011461316.2A CN112472201B (en) | 2020-12-08 | 2020-12-08 | Self-locking mechanism and self-locking joint planing device |
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| CN112472201A CN112472201A (en) | 2021-03-12 |
| CN112472201B true CN112472201B (en) | 2024-08-13 |
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| CN202011461316.2A Active CN112472201B (en) | 2020-12-08 | 2020-12-08 | Self-locking mechanism and self-locking joint planing device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114601535B (en) * | 2022-03-22 | 2023-02-21 | 诺美伊创医疗科技(成都)有限公司 | Planing tool insertion device capable of adjusting circumferential angle and planing handle |
| CN114699218B (en) * | 2022-06-08 | 2022-08-16 | 北京天星博迈迪医疗器械有限公司 | Self-sealing balloon |
| CN119498920A (en) * | 2024-12-05 | 2025-02-25 | 广东精美医疗科技有限公司 | Blade mounting structure and medical plastic surgery mobile phone |
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| CN111419335A (en) * | 2020-04-24 | 2020-07-17 | 北京天星博迈迪医疗器械有限公司 | Joint planer |
| CN214434382U (en) * | 2020-12-08 | 2021-10-22 | 北京天星博迈迪医疗器械有限公司 | Self-locking mechanism and self-locking joint planer |
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Address after: A018, B018, Building 1, No. 25 Jinghai 2nd Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing 102628 Patentee after: Beijing Tianxing Medical Co.,Ltd. Country or region after: China Address before: A018, 1st floor, building 1, 25 Jinghai 2nd Road, Beijing Economic and Technological Development Zone, Beijing Patentee before: BEIJING TIANXING BOMAIDI MEDICAL EQUIPMENT Co.,Ltd. Country or region before: China |
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