CN213430650U

CN213430650U - Adjustable lens connecting structure

Info

Publication number: CN213430650U
Application number: CN202021477964.2U
Authority: CN
Inventors: 许国才; 杜雷; 王吉龙; 何进
Original assignee: Suzhou Sumai Medical Technology Co ltd
Current assignee: Suzhou Sumai Medical Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-06-15
Anticipated expiration: 2030-07-23

Abstract

The utility model relates to a lens connection structure with adjustable, connection structure connect on the fixed part, it includes that one end rotationally connects the fixed part on linking bridge, connect the lens of the linking bridge other end, linking bridge can stretch out or retract at its extending direction. The utility model discloses break away from traditional objective and gone up fixed method, replace the universal rod with the telescopic linking bridge, can be more length, multi-angle, more complicated, the stability of more lasting assurance lens, the speculum or the lens of applicable various sizes, shape, liberation doctor's both hands are more convenient for do benefit to the oral cavity and diagnose and treat, the adjustment is more free, in the aspect of length adjustment, angular adjustment, accomodating nature, can all have brand-new promotion in the operation, have simple structure, convenient operation, advantage with low costs.

Description

Adjustable lens connecting structure

Technical Field

The utility model relates to the technical field of medical equipment, especially relate to a lens connection structure with adjustable.

Background

In the current comprehensive treatment, during the visual examination, probing and percussion of oral cavity and dentistry, a reflector is frequently used as a common instrument in important oral cavity examination, and generally the reflector consists of a reflector surface and a reflector handle, wherein the reflector surface has two types, namely a plane surface and a concave surface, the former reflects real images, and the latter amplifies the images. The reflector is held by the left hand during examination, the lip and the cheek are pulled or the tongue is pushed by the reflector, so that the visual field is clear during examination, or the light is reflected by the reflector to increase the local brightness, the part which can not be directly seen can be reflected by the reflector, and the handle of the reflector can also be used for percussion.

However, in oral cavity related operations, such as tooth polishing, gum treatment, tooth whitening and other surgical operations, the left hand needs to hold the reflector, the hand is easy to shake and the like, which causes unstable operations or incapability of operating with both hands, and assistant cooperation is needed, so that the reflector in the holding manner cannot cope with complicated operations and provide a stable visual field.

See patent CN 208404509U entitled "mirror holder for micro repair", which adopts the following solution in terms of the fixed installation of the ferrule holder and the objective body: the novel optical lens comprises an objective lens body, a ferrule frame, a first supporting rod, a second supporting rod and a reflector frame, wherein the ferrule frame is sleeved on the objective lens body, clamping screw rods are arranged on two sides of the ferrule frame in a penetrating mode, magnetic gaskets are fixed at one ends, close to the objective lens body, of the clamping screw rods, adjusting hand wheels are installed at the other ends of the clamping screw rods, the first supporting rod is connected with the ferrule frame through a first universal joint piece, one end, far away from the ferrule frame, of the first supporting rod is connected with the second supporting rod through a second universal joint piece, one end, far away from the first supporting rod, of the second supporting rod is provided with a third universal joint piece, a reflector is installed inside the reflector frame, a threaded seat is arranged on the surface of the reflector. This structure has kept current clamping screw to carry out the scheme of centre gripping when, has set up the effect that magnetic gasket can play the protection on the one hand, can carry out magnetism to a certain extent with the objective main part of metal simultaneously and fix, has set up the reflector of the different diameters size of screw thread seat adaptation installation on the reflector frame. However, the fixing mode is special when the lens fixing rod is fixed under a microscope objective, particularly, a microscope built in some microscope objectives cannot be fixed, the lens fixing rod is a universal rod, the adjustment in the length direction is not flexible enough, and although the reflector is replaceable, the reflector is a circular lens and cannot meet the requirements of other aspects.

Disclosure of Invention

The utility model aims at providing a lens connection structure with adjustable, this lens can be the speculum, perhaps lens etc..

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a lens connection structure with adjustable, connection structure connect on the fixed part, it includes that one end rotationally connects the linking bridge on the fixed part, connect the lens at the linking bridge other end, the linking bridge can stretch out or retract in its extending direction.

Preferably, the connecting bracket is a flexible connecting bracket.

Further preferably, the flexible connecting support is a flexible pipe made of elastic materials, the flexible pipe can stretch out or retract to change the stretching length through the elasticity of the flexible pipe, and the posture and the direction can be freely changed through the flexibility of the flexible pipe.

Preferably, the connecting bracket is a parallelogram lever, and the extension or retraction of the parallelogram lever in the extension direction can change the extension length through the characteristics of the parallelogram lever.

Preferably, the connecting bracket comprises a cylinder body, a rod body which is matched with the cylinder body and can extend out or retract relative to the cylinder body, and a medium source for filling a medium between the cylinder body and the rod body, wherein the cylinder body is rotatably connected to the fixing part, and the lens is connected to one end of the rod body, namely the connecting bracket adopts a structure of a driving cylinder.

Further preferably, the medium source includes a hydraulic source and an air source, when the medium source is the hydraulic source, the connecting bracket is a hydraulic cylinder, and when the medium source is the air source, the connecting bracket is an air cylinder.

Preferably, the other end of the connecting bracket is connected with the lens through a connecting piece.

Further preferably, the connecting member comprises an adjusting member, a first clamping plate and a second clamping plate connected to the adjusting member, and the adjusting member can adjust the distance between the first clamping plate and the second clamping plate; the other end of the connecting bracket is provided with a bracket connecting head, the lens is provided with a lens connecting head, and during connection, the bracket connecting head and the lens connecting head are clamped between the first clamping plate and the second clamping plate.

Further preferably, the bracket connecting head and the lens connecting head are spherical heads; first splint, second splint on seted up semicircular hole respectively, during the connection, the spherical head of support connecting head portion, lens connecting head portion be located the semicircular hole of first splint, second splint enclose synthetic circular hole, adopt spherical head's support connecting head portion, lens connecting head portion respectively can be relative first splint, second splint rotate for the lens is more nimble when using.

Preferably, the fixing part comprises a microscope bracket and a dental chair bracket, and when the connecting structure is connected to a microscope, the fixing part is the microscope bracket and can also be fixed on a microscope objective lens, a microscope laser fixing screw hole and the like.

Preferably, the shape of the lens is square, round, trapezoid, etc.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses break away from traditional objective and gone up fixed method, replace the universal rod with the telescopic linking bridge, can be more length, multi-angle, more complicated, the stability of more lasting assurance lens, the speculum or the lens of applicable various sizes, shape, liberation doctor's both hands are more convenient for do benefit to the oral cavity and diagnose and treat, the adjustment is more free, in the aspect of length adjustment, angular adjustment, accomodating nature, can all have brand-new promotion in the operation, have simple structure, convenient operation, advantage with low costs.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is a schematic structural view of the second embodiment in an extended state;

FIG. 3 is a schematic structural view of the third embodiment in a retracted state;

FIG. 4 is a schematic structural diagram of a fourth embodiment;

FIG. 5 is a schematic connection diagram of the connecting piece in each embodiment;

fig. 6 is a schematic diagram of a reflector in each embodiment.

In the above drawings:

1. a microscope; 10. a fixed part; 20. a hose; 200. the bracket is connected with the head; 21. a parallelogram lever; 210. a first bar member; 211. a second bar member; 212. a third bar member; 213. the bracket is connected with the head; 220. a cylinder body; 221. a rod body; 222. the bracket is connected with the head; 3. a lens; 30. a lens connecting head; 40. an adjustment member; 41. a first splint; 42. a second splint.

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 first embodiment is as follows:

as shown in fig. 1, the adjustable lens connecting structure is connected to a fixing portion, for example, a microscope, and the fixing portion 10 is a bracket, an objective lens, a laser fixing screw hole of the microscope, or the like.

The connecting structure comprises a connecting bracket with one end rotatably connected on the fixing part 10 and a lens 3 connected at the other end of the connecting bracket. The mirror 3 may be a mirror, a lens, or the like.

The connecting bracket can be extended or retracted in its extension direction, in this embodiment: the connecting support is a flexible connecting support, such as a hose 20 made of elastic material, the flexible connecting support can extend out or retract to change the extending length through the elasticity of the hose 20, and the posture and the direction can be freely changed through the flexibility of the hose 20. The hose 20 can be folded when stored, and does not occupy the operating space under the microscope objective.

The other end of the hose 20 is connected with the lens 3 through a connector. In this embodiment, as shown in fig. 5: the connecting member includes an adjusting member 40, and a first clamping plate 41 and a second clamping plate 42 connected to the adjusting member 40, and the adjusting member 40 may be, for example, a screw, which passes through the first clamping plate 41 and the second clamping plate 42 at the same time and is threadedly connected to the first clamping plate 41 and the second clamping plate 42, so that the distance between the first clamping plate 41 and the second clamping plate 42 can be adjusted. Specifically, the method comprises the following steps: semicircular holes are respectively formed in the first clamping plate 40 and the second clamping plate 41, the adjusting piece 40 is adjusted, and the semicircular holes of the first clamping plate 40 and the second clamping plate 41 can enclose the synthetic circular hole.

The other end of the hose 20 has a holder connecting head 200, the lens 3 has a lens connecting head 30, and the holder connecting head 200 and the lens connecting head 30 are spherical heads. During connection, the spherical heads of the bracket connecting head 200 and the lens connecting head 30 are located in the circular holes surrounded by the semicircular holes of the first clamping plate 41 and the second clamping plate 42, and the bracket connecting head 200 and the lens connecting head 30 which adopt the spherical heads can respectively rotate freely relative to the first clamping plate 41 and the second clamping plate 42, so that the lens 3 is more flexible when in use.

The lenses 3 with different shapes can be conveniently replaced through the connecting piece, and the using requirements of multiple purposes in the oral cavity (small round mirror) and the oral cavity outside (large square mirror) can be met, as shown in fig. 6.

Example two:

as shown in fig. 2, the adjustable lens connecting structure is connected to a fixing portion, for example, a microscope, and the fixing portion 10 is a bracket, an objective lens, or a laser fixing screw hole of the microscope.

The connecting bracket can be extended or retracted in its extension direction, in this embodiment: the connecting bracket is a parallelogram lever 21, specifically: the parallelogram lever 21 includes a first lever group, a second lever group, and a third lever group, the first lever group having one group including two first levers 210 having one ends rotatably connected to the fixing part 10 at the same time; the second rod member group comprises a plurality of groups, each group comprises two second rod members 211 with the middle parts rotatably connected, one ends of the two second rod members 211 in the first group are rotatably connected with the other ends of the two first rod members 210 respectively, and two ends of the second rod member 211 in the middle second rod member group are rotatably connected with one ends of the second rod members 211 in the previous group and the second rod member in the next group respectively; the third rod group has a group, which includes two third rods 212 with one end rotatably connected to the lens 3, and the other ends of the two third rods 212 are rotatably connected to the other ends of the two second rods 211 in the tail group. The change of the extended length of the parallelogram lever 21 in its extended direction, which is extended or retracted, can be realized by the characteristics of the lever, as shown in fig. 2 and 3. The quadrangular lever 21 can be folded and stored when being stored, and does not occupy the operation space below the microscope objective.

One end of the two third rods 212 is rotatably connected with the lens 3 through a connecting piece. In this embodiment, as shown in fig. 5: the connecting member includes an adjusting member 40, and a first clamping plate 41 and a second clamping plate 42 connected to the adjusting member 40, and the adjusting member 40 may be, for example, a screw, which passes through the first clamping plate 41 and the second clamping plate 42 at the same time and is threadedly connected to the first clamping plate 41 and the second clamping plate 42, so that the distance between the first clamping plate 41 and the second clamping plate 42 can be adjusted. Specifically, the method comprises the following steps: semicircular holes are respectively formed in the first clamping plate 40 and the second clamping plate 41, the adjusting piece 40 is adjusted, and the semicircular holes of the first clamping plate 40 and the second clamping plate 41 can enclose the synthetic circular hole.

One end of the two third rods 212 has a bracket connecting head 213, the lens 3 has a lens connecting head 30, and the bracket connecting head 213 and the lens connecting head 30 are spherical heads. During connection, the spherical heads of the bracket connecting head 213 and the lens connecting head 30 are located in the circular holes surrounded by the semicircular holes of the first clamping plate 41 and the second clamping plate 42, and the bracket connecting head 213 and the lens connecting head 30 with spherical heads can respectively rotate freely relative to the first clamping plate 41 and the second clamping plate 42, so that the lens 3 is more flexible when in use.

Example three:

as shown in fig. 4, the adjustable lens connecting structure is connected to a fixing portion, for example, a microscope, and the fixing portion 10 is a bracket, an objective lens, a laser fixing screw hole of the microscope, or the like.

The connecting bracket can be extended or retracted in its extension direction, in this embodiment: the connecting bracket comprises a cylinder body 220, a rod body 221 which is matched with the cylinder body 220 and can extend or retract relative to the cylinder body 220, and a medium source for filling a medium between the cylinder body 220 and the rod body 221, wherein the cylinder body 220 is rotatably connected to the fixing part 10, and the lens 3 is connected to one end of the rod body 221, namely the connecting bracket adopts a structure of a driving cylinder. The medium source comprises a hydraulic source and an air source, when the medium source is the hydraulic source, the connecting support is a hydraulic cylinder, and when the medium source is the air source, the connecting support is an air cylinder. The extension length can be freely changed by extending or retracting the rod 221 relative to the cylinder 220, and the swing angle can be adjusted by the rotation of the cylinder 220 and the fixing part 10. When stored, the cylinder 220 can be swung backward.

One end of the rod body 221 is rotatably connected with the lens 3 through a connecting piece. In this embodiment, as shown in fig. 5: the connecting member includes an adjusting member 40, and a first clamping plate 41 and a second clamping plate 42 connected to the adjusting member 40, and the adjusting member 40 may be, for example, a screw, which passes through the first clamping plate 41 and the second clamping plate 42 at the same time and is threadedly connected to the first clamping plate 41 and the second clamping plate 42, so that the distance between the first clamping plate 41 and the second clamping plate 42 can be adjusted. Specifically, the method comprises the following steps: semicircular holes are respectively formed in the first clamping plate 40 and the second clamping plate 41, the adjusting piece 40 is adjusted, and the semicircular holes of the first clamping plate 40 and the second clamping plate 41 can enclose the synthetic circular hole.

One end of the rod body 221 is provided with a bracket connecting head 222, the lens 3 is provided with a lens connecting head 30, and the bracket connecting head 222 and the lens connecting head 30 are spherical heads. During connection, the spherical heads of the bracket connecting head 222 and the lens connecting head 30 are located in the circular holes surrounded by the semicircular holes of the first clamping plate 41 and the second clamping plate 42, and the bracket connecting head 222 and the lens connecting head 30 adopting the spherical heads can respectively rotate freely relative to the first clamping plate 41 and the second clamping plate 42, so that the lens 3 is more flexible when in use.

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

1. An adjustable lens connection structure, its characterized in that: the connecting structure is connected on the fixing part and comprises a connecting support and a lens, wherein one end of the connecting support is rotatably connected on the fixing part, the lens is connected at the other end of the connecting support, and the connecting support can extend out or retract in the extending direction of the connecting support.

2. The adjustable lens connecting structure of claim 1, wherein: the connecting support is a flexible connecting support made of elastic materials.

3. The adjustable lens connecting structure according to claim 2, wherein: the flexible connecting support is a hose.

4. The adjustable lens connecting structure of claim 1, wherein: the connecting bracket is a parallelogram lever.

5. The adjustable lens connecting structure of claim 1, wherein: the connecting support comprises a cylinder body, a rod body matched with the cylinder body and capable of extending out or retracting back relative to the cylinder body, and a medium source for filling media between the cylinder body and the rod body, the cylinder body is rotatably connected to the fixing part, and the lens is connected to one end of the rod body.

6. The adjustable lens connecting structure of claim 5, wherein: the medium source comprises a hydraulic source and an air source.

7. The adjustable lens connecting structure of claim 1, wherein: the other end of the connecting bracket is connected with the lens through a connecting piece.

8. The adjustable lens connecting structure of claim 7, wherein: the connecting piece comprises an adjusting piece, a first clamping plate and a second clamping plate, wherein the first clamping plate and the second clamping plate are connected to the adjusting piece; the other end of the connecting bracket is provided with a bracket connecting head, the lens is provided with a lens connecting head, and during connection, the bracket connecting head and the lens connecting head are clamped between the first clamping plate and the second clamping plate.

9. The adjustable lens connecting structure of claim 8, wherein: the support connecting head and the lens connecting head are spherical heads; the first clamping plate and the second clamping plate are respectively provided with a semicircular hole, and during connection, the spherical heads of the support connecting head and the lens connecting head are positioned in the circular holes formed by the semicircular holes of the first clamping plate and the semicircular holes of the second clamping plate.

10. The adjustable lens connecting structure of claim 1, wherein: the fixing part comprises a microscope bracket, a microscope objective, a microscope laser fixing screw hole and a dental chair bracket.