CN220898671U - Optometry disk without dispensing - Google Patents
Optometry disk without dispensing Download PDFInfo
- Publication number
- CN220898671U CN220898671U CN202321919012.5U CN202321919012U CN220898671U CN 220898671 U CN220898671 U CN 220898671U CN 202321919012 U CN202321919012 U CN 202321919012U CN 220898671 U CN220898671 U CN 220898671U
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- lens
- disc
- optometric
- dispensing
- friction wheel
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- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Abstract
The utility model is suitable for the optometry head lens fixing technology, and provides an optometry disk without dispensing, which is used for fixing the optometry head lens and comprises a disk body, wherein the disk body is provided with a mounting groove; the fixing assembly comprises a fixing frame arranged in the mounting groove and at least one group of friction wheels, and the friction wheels are arranged on the fixing frame; wherein, a plurality of groups of elastic pressing sheets are circumferentially arranged on the fixed frame, the lens is clamped between the elastic pressing sheets and the fixed frame, the friction wheel surface is in contact connection with the outer edge surface of the lens, and the friction wheel rotates and drives the lens to rotate through friction contact; according to the utility model, the elastic pressing piece is contacted with the upper end surface of the lens, the bottom surface of the lens is arranged on the top surface of the fixed frame, and the lens arranged between the fixed frame and the elastic pressing piece can be driven to rotate through the friction wheel between the fixed frame and the elastic pressing piece, so that the lens can be effectively clamped and fixed, and the axial position of the lens can be adjusted.
Description
Technical Field
The utility model belongs to the technical field of lens fixing of an optometry head, and particularly relates to an optometry disk without dispensing.
Background
The optometry head is a vision testing device integrating a spherical lens, a cylindrical lens, a prism lens, various auxiliary lenses and various adjusting parts for optometry, and the optometry state and the vision function of the human eye are checked by the superposition and combination of the lenses on different lens discs. When the lens is assembled on the optometry head, the optometry disk is needed to be used, and the traditional connection mode of the optometry disk or the gear and the lens adopts a dispensing fixing mode.
After some lenses are installed on the optometry disk, the axial position of the lenses needs to be detected in real time by using a detection device, and the lenses are adjusted to a uniform angle, so that the axial position of the lenses is kept unchanged in the switching process, but after the lenses are fixed by dispensing, the axial position of the lenses is very tedious to adjust, and the lenses need to be detached and reinstalled.
Disclosure of utility model
The utility model provides an optometry disk without dispensing, which aims to solve the problem that the lens of the conventional optometry head cannot be rotated conveniently to adjust the axial position after being fixed by dispensing.
The utility model is realized in such a way that an optometry disk without dispensing is used for fixing an optometry head lens, comprising:
the tray body is provided with a mounting groove;
The fixing assembly comprises a fixing frame arranged in the mounting groove and at least one group of friction wheels, and the friction wheels are arranged on the fixing frame;
the lens clamping device comprises a fixing frame, a plurality of groups of elastic pressing sheets, a friction wheel surface and a lens, wherein the fixing frame is circumferentially provided with the plurality of groups of elastic pressing sheets, the lens is clamped between the plurality of groups of elastic pressing sheets and the fixing frame, the friction wheel surface is in contact connection with the outer edge surface of the lens, and the friction wheel rotates and drives the lens to rotate through friction contact.
Preferably, the elastic pressing piece is provided with a pressing groove, the bottom surface of the lens is placed on the top surface of the fixed frame, the elastic pressing piece presses the lens on the top surface of the fixed frame through the pressing groove, and the lens is positioned between the fixed frame and the elastic pressing piece, and the rotation of the lens is not limited by the fixed frame and the elastic pressing piece, so that the axial position of the lens is convenient to adjust;
Preferably, the contact surface of the elastic pressing sheet and the lens is a smooth surface, so that the friction wheel rotates to drive the lens to rotate through friction
Preferably, the securing assembly further comprises a latch post,
The tray body is provided with a limiting hole;
a limiting slot is arranged on the fixed frame;
The bolt column penetrates through the limiting hole from the end face of the tray body far away from the fixing assembly and is inserted into the limiting slot, and the fixing frame is limited to rotate in the mounting groove.
Preferably, the latch post is in threaded connection with the limit hole or the limit slot.
Preferably, the fixing frame is provided with a mounting hole, and the friction wheel is assembled in the mounting hole.
Preferably, the fixing frame is provided with a mounting hole, and the wheel shaft of the friction wheel is axially assembled in the mounting hole.
Preferably, a hexagonal blind hole is formed in the end face, far away from the fixed frame, of the friction wheel, and the hexagonal blind hole is used for enabling a human hand to rotate the friction wheel by means of a tool.
Preferably, the tray body is provided with a plurality of groups of mounting grooves, and the mounting grooves are distributed on the periphery of the tray body in an annular array.
Preferably, the included angle fillet of the L-shaped structure of the elastic pressing sheet is arranged.
Compared with the prior art, the embodiment of the application has the following main beneficial effects:
1. According to the utility model, the elastic pressing piece is contacted with the upper end surface of the lens, the bottom surface of the lens is arranged on the top surface of the fixed frame, and the lens arranged between the fixed frame and the elastic pressing piece can be driven to rotate through the friction wheel between the fixed frame and the elastic pressing piece, so that the lens can be effectively clamped and fixed, and the axial position of the lens can be adjusted.
2. The optometry disk without dispensing is tightly attached to the outer wall of the lens through the friction wheel, the friction wheel rotates to drive the lens to rotate, and the axial position of the lens is adjusted through the rotation of the lens, so that the optimal testing effect is achieved.
Drawings
Fig. 1 is a schematic structural diagram of an optometric disc without dispensing according to the present utility model.
Fig. 2 is an enlarged schematic diagram of part of the a-position structure of an optometric disc without dispensing according to the present utility model.
Fig. 3 is an enlarged schematic view of part of the B-site structure of an optometric disc without dispensing according to the present utility model.
Fig. 4 is a schematic structural view of a middle fixing component of an optometric disc without dispensing according to the present utility model.
Fig. 5 is a schematic diagram of the distribution structure of the elastic pressing sheet and the friction wheel of the optometry disk without dispensing according to the present utility model.
Fig. 6 is a schematic view of an elastic pressing structure of an optometry disk without dispensing according to the present utility model.
Fig. 7 is an exploded view of a fixing assembly of an optometric disc without dispensing according to the present utility model.
Reference numerals illustrate:
100. A tray body; 110. a mounting groove; 120. a limiting hole;
200. A fixing assembly; 210. a fixed frame; 220. elastic tabletting; 230. a friction wheel; 240. a latch post;
300. A lens.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
An embodiment of the present utility model provides an optometric disc without dispensing, as shown in fig. 1 to 7, where the optometric disc without dispensing is used for fixing an optical lens 300 of an optometric head, and includes:
The tray body 100, the tray body 100 is provided with a mounting groove 110;
A fixing assembly 200, wherein the fixing assembly 200 comprises a fixing frame 210 arranged in the mounting groove 110 and a plurality of at least three groups of friction wheels 230, and the friction wheels 230 are arranged on the fixing frame 210;
Wherein, a plurality of groups of elastic pressing sheets 220 are arranged above the lens groove, the lens 300 is clamped between the elastic pressing sheets 220 and the fixed frame 210, the friction wheel 230 is connected with the outer edge of the lens 300 in a contact way, and the friction wheel 230 rotates to adjust the axial position of the lens 300; the axial position of the lens 300, that is, the degree of deflection between the central axis of the lens 300 mounting frame and the apex of the concave surface of the lens 300;
In this embodiment, the tray body 100 is provided with a mounting groove 110, the fixing assembly 200 is mounted in the mounting groove 110, the bottom surface of the lens 300 is placed on the top surface of the fixing frame 210, the elastic pressing piece 220 is provided with a pressing groove, the elastic pressing piece 220 presses the lens 300 on the fixing frame 210 through the pressing groove, after the elastic pressing piece 220 is pressed, the friction wheel 230 is distributed between the elastic pressing pieces 220, the friction wheel 230 is in contact connection with the lens 300 between the fixing frame 210 and the elastic pressing piece 220, and the axial position of the lens 300 can be changed when the friction wheel 230 rotates;
In this embodiment, the fixing frame 210 has a circular ring structure, the fixing frame 210 is adapted to the mounting groove 110, and when the lens 300 is mounted on the fixing frame 210, light sequentially passes through the lens 300, the fixing frame 210 and the mounting groove 110 to reach below the optometry disk;
In this embodiment, the friction wheel 230 is mounted on the fixed frame 210, the friction wheel 230 and the elastic pressing sheet 220 are distributed on the fixed frame 210 at intervals, the elastic pressing sheet 220 contacts with the upper end surface of the lens 300, and the friction wheel 230 is connected with the outer edge of the lens 300 in a contact manner; the elastic pressing piece 220 provides a supporting function for the lens 300, and can replace the dispensing design in the prior art, and because the elastic pressing piece 220 adopts a pressing mode, the rotation function of the lens 300 is not limited, the friction wheel 230 is tightly attached to the outer wall of the lens 300, and meanwhile, the contact surface between the elastic pressing piece 220 and the lens 300 is a smooth surface, so that the friction wheel 230 can rotate to drive the lens 300 to rotate through friction, and the friction wheel 230 rotates to drive the lens 300 to rotate;
In this embodiment, the friction wheel 230 is made by using the prior art, and the friction wheel is formed by an upper rotating wheel and a lower mounting post, wherein the upper rotating wheel is inserted into the lower mounting post, the upper rotating wheel is rotatably connected with the lower mounting post, the upper rotating wheel is located on the upper end surface of the fixed frame 210, and the lower mounting post is assembled in a mounting hole provided on the fixed frame 210; the top surface of the upper rotating wheel is provided with an inner hexagonal groove, and the upper rotating wheel can be rotated by inserting an inner hexagonal wrench into the inner hexagonal groove, so that the lens 300 is driven to rotate;
As a preferred embodiment of the present embodiment, the elastic pressing piece 220 has an L-shaped structure, the elastic pressing piece 220 is made of rubber material, and when the lens 300 is assembled, the elastic pressing piece 220 is pulled out, and then the lens 300 is assembled to the fixing frame 210; the angle rounded corner of the L-shaped structure of the elastic pressing piece 220 is arranged, so that the damage caused by friction of the top edge of the lens 300 caused by the angle when the friction wheel 230 drives the lens 300 to rotate can be reduced.
As a preferred implementation of this embodiment, the fixing assembly 200 further includes a latch post 240; the tray body 100 is provided with a limiting hole 120; the latch post 240 is inserted into the limiting hole 120 from the end surface of the tray body 100 far away from the fixing assembly 200, and the latch post 240 passes through the limiting hole 120 and then reaches the limiting slot on the fixing frame 210;
In this embodiment, the latch post 240 and the limit slot are both in the prior art, and the fixing assembly 200 is assembled with the tray 100 through the latch post 240 and the limit slot;
As a preferred implementation manner in this embodiment, the tray body 100 is provided with a plurality of groups of mounting grooves 110;
In this embodiment, the mounting grooves 110 are distributed on the circumferential side of the tray body 100 in an annular array;
it should be noted that, for simplicity of description, the foregoing embodiments are all illustrated as a series of acts, but it should be understood by those skilled in the art that the present utility model is not limited by the order of acts, as some steps may be performed in other order or concurrently in accordance with the present utility model. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present utility model.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model. It will be apparent that the described embodiments are merely some, but not all, embodiments of the utility model. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the utility model. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present utility model or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present utility model, which also falls within the scope of the present utility model.
Claims (10)
1. An optometric disk without dispensing for fixedly mounting an optometric head lens (300), comprising:
the tray comprises a tray body (100), wherein a mounting groove (110) is formed in the tray body (100);
The fixing assembly (200), the fixing assembly (200) comprises a fixing frame (210) arranged in the mounting groove (110) and a plurality of friction wheels (230) of at least one group, and the friction wheels (230) are arranged on the fixing frame (210);
The lens (300) is clamped between the elastic pressing pieces (220) and the fixing frame (210), the wheel surface of the friction wheel (230) is in contact connection with the outer edge surface of the lens (300), and the friction wheel (230) rotates and drives the lens (300) to rotate through friction contact.
2. An optometric disc without dispensing according to claim 1, characterized in that the elastic press piece (220) is provided with a pressing groove, the bottom surface of the lens (300) is placed on the top surface of the fixing frame (210), and the elastic press piece (220) presses the lens (300) to the top surface of the fixing frame (210) through the pressing groove.
3. An optometric disc without dispensing according to claim 2, characterized in that the contact surface of the elastic pressing piece (220) with the lens (300) is a smooth surface, so that the friction wheel (230) rotates to drive the lens (300) to rotate through friction.
4. An optometric disc without dispensing as claimed in claim 1, characterized in that said fixing assembly (200) further comprises a latch (240),
A limiting hole (120) is formed in the tray body (100);
A limiting slot is arranged on the fixed frame (210);
The bolt column (240) penetrates through the limiting hole (120) from the end face of the disc body (100) far away from the fixing assembly (200) to be inserted into the limiting slot and limit the fixing frame (210) to rotate in the mounting slot (110).
5. An optometric disc without dispensing as claimed in claim 4, wherein the latch post (240) is threaded into the limiting aperture (120) or the limiting slot.
6. An optometric disc without dispensing according to claim 1, characterized in that the fixing frame (210) is provided with a mounting hole, and the axle of the friction wheel (230) is axially fitted in the mounting hole.
7. An optometric disc without dispensing according to claim 1, characterized in that the end face of the friction wheel (230) remote from the fixed frame (210) is provided with a hexagonal blind hole for a human hand to rotate the friction wheel (230) by means of a tool.
8. An optometric disc without dispensing according to claim 1, wherein the disc body (100) is provided with a plurality of groups of mounting grooves (110), and the mounting grooves (110) are distributed on the peripheral side of the disc body (100) in an annular array.
9. An optometric disc without dispensing according to claim 1, characterized in that the elastic press piece (220) is of L-shaped configuration.
10. An optometric disc without dispensing according to claim 9, characterized in that the L-shaped structure of the elastic press piece (220) is provided with included angle fillets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321919012.5U CN220898671U (en) | 2023-07-20 | 2023-07-20 | Optometry disk without dispensing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321919012.5U CN220898671U (en) | 2023-07-20 | 2023-07-20 | Optometry disk without dispensing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220898671U true CN220898671U (en) | 2024-05-07 |
Family
ID=90917602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321919012.5U Active CN220898671U (en) | 2023-07-20 | 2023-07-20 | Optometry disk without dispensing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220898671U (en) |
-
2023
- 2023-07-20 CN CN202321919012.5U patent/CN220898671U/en active Active
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