CN210185720U - Suspension arm of operating microscope - Google Patents
Suspension arm of operating microscope Download PDFInfo
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- CN210185720U CN210185720U CN201920545915.9U CN201920545915U CN210185720U CN 210185720 U CN210185720 U CN 210185720U CN 201920545915 U CN201920545915 U CN 201920545915U CN 210185720 U CN210185720 U CN 210185720U
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- connecting rod
- limiting
- limiting element
- suspension arm
- swinging
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Abstract
The utility model relates to a suspension arm of an operating microscope, which comprises a connecting rod assembly, wherein the connecting rod assembly comprises a fixed connecting rod, an upper connecting rod, a lower connecting rod and a swinging connecting rod, the fixed connecting rod, the upper connecting rod, the swinging connecting rod and the lower connecting rod are sequentially and rotatably connected, and the swinging connecting rod can rotate up and down in a plane formed by the fixed connecting rod, the upper connecting rod and the lower connecting rod; the suspension arm further comprises a lower limiting component, the lower limiting component comprises a first limiting element and a second limiting element, a limiting surface is arranged on the first limiting element, when the swing connecting rod swings downwards to the second limiting element to be abutted against the limiting surface of the first limiting element, the swing connecting rod swings downwards in a limited mode, one of the first limiting element and the second limiting element is connected to the swing connecting rod, and the other limiting element is connected to the lower connecting rod. The utility model discloses a connect first spacing component or second spacing component on the swing connecting rod, on the part that is closest to the operator, the operator's of being convenient for greatly operation is adjusted.
Description
Technical Field
The utility model relates to the field of medical equipment, a surgical microscope is related to, especially relate to a surgical microscope hang arm.
Background
An operation microscope has been widely used as a conventional medical device in various surgical operations such as ophthalmology, otorhinolaryngology, neurosurgery, dentistry, and the like. The suspension arm (suspension arm) is an important component of the surgical microscope, one end of the suspension arm is arranged on a bearing arm (carrier arm) of a bracket of the surgical microscope, and the other end of the suspension arm carries a microscope body of the surgical microscope and can rotate up and down in a vertical plane to adjust the working height of the surgical microscope. The suspension arm is typically provided with a minimum stop mechanism to ensure that the microscope head does not touch and damage the viewing object below it when swung down.
In the prior art: the suspension arm comprises a connecting rod assembly, the connecting rod assembly comprises a fixed connecting rod, an upper connecting rod, a lower connecting rod, a swinging connecting rod and a limiting assembly, one end parts of the upper connecting rod and the lower connecting rod are rotatably connected with the fixed connecting rod, the other end parts of the upper connecting rod and the lower connecting rod are rotatably connected with the swinging connecting rod, the swinging connecting rod can rotate up and down in a plane formed by the fixed connecting rod, the upper connecting rod and the lower connecting rod, and the limiting assembly locks the rotation of the swinging connecting rod. However, the limiting assembly in the prior art is usually arranged at the end of the fixed connecting rod, the end of the fixed connecting rod is connected with the bracket of the operating microscope, and the distance from the bracket to the operator is long, so that the operator needs to straighten the arm when adjusting, and the operation is very inconvenient. In addition, the structure of the limiting assembly in the prior art is also complex.
Disclosure of Invention
The utility model aims at providing an operation microscope hangs arm, the operator of being convenient for carries out the operation regulation.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a suspension arm of an operation microscope comprises a connecting rod assembly, wherein the connecting rod assembly comprises a fixed connecting rod, an upper connecting rod, a lower connecting rod and a swinging connecting rod, one end parts of the upper connecting rod and the lower connecting rod are rotatably connected with the fixed connecting rod, the other end parts of the upper connecting rod and the lower connecting rod are rotatably connected with the swinging connecting rod, the fixed connecting rod is connected to a bracket of the operation microscope, the swinging connecting rod is connected with an operation microscope body, and the swinging connecting rod can rotate up and down in a plane formed by the fixed connecting rod, the upper connecting rod and the lower connecting rod; the suspension arm further comprises a lower limiting assembly, the lower limiting assembly comprises a first limiting element and a second limiting element, a limiting surface is arranged on the first limiting element, when the swing connecting rod swings downwards to the position where the second limiting element is abutted to the limiting surface of the first limiting element, the swing connecting rod swings downwards and is limited, one of the first limiting element and the second limiting element is connected to the swing connecting rod, and the other one of the first limiting element and the second limiting element is connected to the lower connecting rod.
Preferably, the distance between the second limiting element and the limiting surface of the first limiting element can be adjusted.
Further preferably, the second limiting element is connected with the swing connecting rod or the lower connecting rod through threads.
Further preferably, the second limiting element comprises a rod part and an adjusting part connected to one end of the rod part, the rod part is connected to the swinging connecting rod or the lower connecting rod, and the distance between the other end of the rod part and the limiting surface of the first limiting part can be adjusted through the adjusting part.
Preferably, the first limiting element is connected to the lower connecting rod; the second limiting element is connected to the swing connecting rod.
Further preferably, a fitting space is provided on the swing link, the limiting surface of the first limiting element is located in the fitting space, and the second limiting element is at least partially located in the fitting space.
Further preferably, the second limiting element can be adjusted relative to the swing link, and the adjusting direction of the second limiting element is perpendicular to the extending direction of the bottom surface of the swing link.
Further preferably, the extending direction of the first limiting element is consistent with the extending direction of the lower connecting rod.
Preferably, the limiting surface of the first limiting element is an arc surface.
Preferably, the connecting rod assembly further comprises a telescopic connecting rod, one end of the telescopic connecting rod is rotatably connected with the upper connecting rod, and the other end of the telescopic connecting rod is rotatably connected with the fixed connecting rod.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model discloses a connect first spacing component or second spacing component on the swing connecting rod, on the part that is closest to the operator, the operator's of being convenient for greatly operation is adjusted, rotates downwards through spacing subassembly to last connecting rod, lower connecting rod and restricts, realizes hanging the height regulation of arm, stable in structure, simple, low cost.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic view of the present embodiment when rotated downward;
fig. 3 is a schematic view when rotated upward in the present embodiment.
Wherein: 10. fixing the connecting rod; 11. an upper connecting rod; 12. a lower connecting rod; 13. a swing link; 130. a fitting space; 131. a second stop element mount; 14. a telescopic connecting rod; 20. a limiting block; 200. a limiting surface; 210. a rod portion; 211. an adjusting part.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The suspension arm of the surgical microscope shown in fig. 1 comprises a connecting rod assembly, wherein the connecting rod assembly comprises a fixed connecting rod 10, an upper connecting rod 11, a lower connecting rod 12 and a swinging connecting rod 13. One end of each of the upper link 11 and the lower link 12 is rotatably connected to the fixed link 10, and the other end is rotatably connected to the swing link 13, and the fixed link 10, the upper link 11, the lower link 12, and the swing link 13 form a parallelogram structure, so that the swing link 13 can rotate up and down in a plane formed by the fixed link 10, the upper link 11, and the lower link 12. The fixed connecting rod 10 is connected to a bracket of the operation microscope, and the swinging connecting rod 13 is connected with a microscope body of the operation microscope.
In this embodiment: the connecting rod assembly further comprises a telescopic connecting rod 14, one end of the telescopic connecting rod 14 is rotatably connected with the upper connecting rod 11, and the other end of the telescopic connecting rod 14 is rotatably connected with the fixed connecting rod 10. The telescopic link 14 may be selected from conventional ones such as a gas spring.
The suspension arm further comprises a lower limit component, and the lower limit component comprises a first limit element and a second limit element. In this embodiment: the first limiting element is connected to the lower connecting rod 12; the second limiting element is connected to the swing link 13. The first limiting element is a limiting block 20, a limiting surface 200 is arranged on the limiting block 20, and the limiting surface 200 is an arc-shaped surface; the second position-limiting element comprises a rod portion 210 and an adjusting portion 211 connected to one end of the rod portion 210, the rod portion 210 is connected to the swing link 13, and the distance between the other end of the rod portion 210 and the position-limiting surface 200 on the position-limiting block 20 can be adjusted through the adjusting portion 211.
Further comprising: the swing link 13 is provided with a fitting space 130, and the fitting space 130 may be located inside the swing link 13. The extending direction of the limiting block 20 is consistent with the extending direction of the lower connecting rod 12, so that the limiting surface 200 of the limiting block 20 extends into the matching space 130; the swing link 13 is provided with a second limiting element fixing part 131, the rod part 210 of the second limiting element is connected to the second limiting element fixing part 131, for example, through threaded connection, so that the rod part 210 of the second limiting element can be adjusted relative to the swing link 13, the adjusting direction of the rod part 210 of the second limiting element is perpendicular to the extending direction of the bottom surface of the swing link 13, at least part of the rod part 210 of the second limiting element is located in the matching space 130, and the adjusting part 211 is located outside the matching space 130 for operation.
As shown in fig. 1: the upper connecting rod 11 and the lower connecting rod 12 are horizontal, a gap is reserved between the other end of the rod part 210 and the limiting surface 200 of the limiting block 20, and the swinging connecting rod 13 can rotate downwards at the moment; if the connecting rod assembly is in a stable state, the adjusting portion 211 is adjusted to make the other end of the rod portion 210 abut against the limiting surface 200 of the limiting block 20. The swing link 13 is rotated downwards until the other end of the rod 210 abuts against the limiting surface 200 of the limiting block 20, at this time, the upper link 11 and the lower link 12 are limited to rotate downwards, and the link assembly is kept in a stable state, as shown in fig. 2. The swing link 13 is rotated upward to the position shown in fig. 3, and at this time, the link assembly is in a stable state, and the adjusting portion 211 is adjusted to make the other end of the rod portion 210 abut against the limiting surface 200 of the limiting block 20, so that the link assembly maintains the stable state.
That is, the connecting rod assembly can be limited to rotate downwards to keep the connecting rod assembly in a stable state by the lower limiting assembly, the angle of the connecting rod assembly rotating downwards can be preset by adjusting the distance between the rod part 210 of the lower limiting assembly and the limiting surface 200 of the limiting block 20, and the second limiting element is connected to the swing connecting rod 13 connected with the microscope body of the surgical microscope, is closest to an operator, and is very convenient for the operator to operate.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A suspension arm of an operation microscope comprises a connecting rod assembly, wherein the connecting rod assembly comprises a fixed connecting rod, an upper connecting rod, a lower connecting rod and a swinging connecting rod, one end parts of the upper connecting rod and the lower connecting rod are rotatably connected with the fixed connecting rod, the other end parts of the upper connecting rod and the lower connecting rod are rotatably connected with the swinging connecting rod, the fixed connecting rod is connected to a bracket of the operation microscope, the swinging connecting rod is connected with an operation microscope body, and the swinging connecting rod can rotate up and down in a plane formed by the fixed connecting rod, the upper connecting rod and the lower connecting rod; the suspension arm further comprises a lower limit component, the lower limit component comprises a first limit element and a second limit element, a limit surface is arranged on the first limit element, and when the swing connecting rod swings downwards to the second limit element and is abutted against the limit surface of the first limit element, the swing connecting rod swings downwards to be limited, and the suspension arm is characterized in that: one of the first limiting element and the second limiting element is connected to the swinging connecting rod, and the other one of the first limiting element and the second limiting element is connected to the lower connecting rod.
2. A surgical microscope suspension arm according to claim 1, wherein: the distance between the second limiting element and the limiting surface of the first limiting part can be adjusted.
3. A surgical microscope suspension arm according to claim 2, wherein: the second limiting element is connected with the swing connecting rod or the lower connecting rod through threads.
4. A surgical microscope suspension arm according to claim 2, wherein: the second limiting element comprises a rod part and an adjusting part connected to one end of the rod part, the rod part is connected to the swinging connecting rod or the lower connecting rod, and the distance between the other end of the rod part and the limiting surface of the first limiting part can be adjusted through the adjusting part.
5. A surgical microscope suspension arm according to claim 1, wherein: the first limiting element is connected to the lower connecting rod; the second limiting element is connected to the swing connecting rod.
6. A surgical microscope suspension arm according to claim 5, wherein: the swing connecting rod is provided with a matching space, the limiting surface of the first limiting element is positioned in the matching space, and at least part of the second limiting element is positioned in the matching space.
7. A surgical microscope suspension arm according to claim 5, wherein: the second limiting element can be adjusted relative to the swinging connecting rod, and the adjusting direction of the second limiting element is perpendicular to the extending direction of the bottom surface of the swinging connecting rod.
8. A surgical microscope suspension arm according to claim 5, wherein: the extending direction of the first limiting element is consistent with the extending direction of the lower connecting rod.
9. A surgical microscope suspension arm according to claim 1, wherein: the limiting surface of the first limiting element is an arc surface.
10. A surgical microscope suspension arm according to claim 1, wherein: the connecting rod assembly further comprises a telescopic connecting rod, one end of the telescopic connecting rod is rotatably connected with the upper connecting rod, and the other end of the telescopic connecting rod is rotatably connected with the fixed connecting rod.
Priority Applications (1)
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CN201920545915.9U CN210185720U (en) | 2019-04-22 | 2019-04-22 | Suspension arm of operating microscope |
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CN201920545915.9U CN210185720U (en) | 2019-04-22 | 2019-04-22 | Suspension arm of operating microscope |
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CN210185720U true CN210185720U (en) | 2020-03-27 |
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CN201920545915.9U Active CN210185720U (en) | 2019-04-22 | 2019-04-22 | Suspension arm of operating microscope |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117205038A (en) * | 2023-11-07 | 2023-12-12 | 广州艾捷斯医疗器械有限公司 | Balance arm locking system |
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2019
- 2019-04-22 CN CN201920545915.9U patent/CN210185720U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117205038A (en) * | 2023-11-07 | 2023-12-12 | 广州艾捷斯医疗器械有限公司 | Balance arm locking system |
CN117205038B (en) * | 2023-11-07 | 2024-02-09 | 广州艾捷斯医疗器械有限公司 | Balance arm locking system |
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Address after: No.5, Zhiying street, high tech Zone, Suzhou City, Jiangsu Province Patentee after: Suzhou Sumai Medical Technology Co.,Ltd. Address before: No.5, Zhiying street, high tech Zone, Suzhou City, Jiangsu Province Patentee before: Suzhou Sumai Medical Equipment Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |