CN109394165A - A kind of self-help type optometric apparatus - Google Patents
A kind of self-help type optometric apparatus Download PDFInfo
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- CN109394165A CN109394165A CN201811254016.XA CN201811254016A CN109394165A CN 109394165 A CN109394165 A CN 109394165A CN 201811254016 A CN201811254016 A CN 201811254016A CN 109394165 A CN109394165 A CN 109394165A
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- Prior art keywords
- support abutment
- installing frame
- pawl
- bull stick
- self
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
Abstract
The present invention relates to a kind of optometric apparatus more particularly to a kind of self-help type optometric apparatus.Technical problems to be solved are as follows: providing one kind can prevent arm from aching, can reduce the self-help type optometric apparatus of labor intensity.The technical scheme is that a kind of self-help type optometric apparatus, includes left support abutment, installing frame, bearing block, bull stick, roller, visual chart, link block, outer ratchet, handle ratchet wheel, annular slab, soft pawl, swing pawl etc.；Installing frame is connected at the top of left support abutment, the top front and rear sides in installing frame are mounted on bearing block, and the lower part front and rear sides in installing frame are also mounted on bearing block, are connected with bull stick between former and later two bearing blocks.The present invention passes through with the movable pendulum lever that hands down, can so visual chart be made to rotate clockwise, can carry out eyesight testing by watching plane mirror, by elevating lever move up and down can eye-shading plate move up and down, be so not required to people and cover eyes with hand to carry out test near and distance.
Description
Technical field
The present invention relates to a kind of optometric apparatus more particularly to a kind of self-help type optometric apparatus.
Background technique
Since mobile phone can issue radiation, viewing mobile phone can damage eyes such people for a long time, to will lead to
Visual impairment, when carrying out test near and distance, usually people hold a tool of sealing with hand and cover an eyes people at present, and
It stands in fixed position, medical staff is referred on visual testing chart with hand, is measured in this way to the eyesight of people, people
Sealed a tool arm for a long time and be easy to ache with holding, while will increase the labor intensity of medical staff, in order to reduce medical care
The labor intensity of personnel, medical staff can reduce the time to people's test near and distance, so it is more difficult accurately to people's eyesight into
Row measurement.
Summary of the invention
In order to overcome people to carry out test near and distance with a hand-held tool of sealing, people are held with a hand-held tool arm of sealing for a long time
The shortcomings that easily aching, while will increase the labor intensity of medical staff, technical problems to be solved are as follows: providing one kind can prevent
Arm is ached, can reduce the self-help type optometric apparatus of labor intensity.
The technical scheme is that a kind of self-help type optometric apparatus, include left support abutment, installing frame, bearing block,
Bull stick, visual chart, link block, outer ratchet, handle ratchet wheel, annular slab, soft pawl, swings pawl, elastic compression piece, pendulum at roller
Lever, right support abutment and plane mirror are connected with installing frame at the top of left support abutment, and the top front and rear sides in installing frame are mounted on axis
Seat is held, the lower part front and rear sides in installing frame are also mounted on bearing block, and bull stick, bull stick are connected between former and later two bearing blocks
On be connected with roller, be wound with visual chart between two rollers, the front of downside bull stick passes through installing frame, and the front end of downside bull stick connects
It is connected to link block, outer ratchet is connected on rear side of link block, handle ratchet wheel is connected on the inside of outer ratchet, is cased with annular on the bull stick of downside
Plate, annular slab are located at the rear side of link block, and soft pawl is connected on annular slab, and soft pawl and handle ratchet wheel cooperate, left support abutment
Left side be hingedly connected with swing pawl, swing pawl and outer ratchet cooperate, the left side lower part connection of left support abutment is flexible
Piece is compressed, elastic compression piece is located at the lower section for swinging pawl, elastic compression piece and swing detent contact, the front side connection of annular slab
There is oscillating rod, the top of right support abutment is embedded with plane mirror, and right support abutment is located at the right side of left support abutment, and plane mirror and visual chart cooperate.
It further, further include having middle support, seat and arcuate backrest, the right side of left support abutment is equipped with middle support, middle support
Top be connected with seat, be connected with arcuate backrest between the top left side of seat and the lower part of installing frame right side.
It further, further include having elevating lever, threaded rod, nut, connecting rod, eye-shading plate and supporting pad, the front and back of seat
Two sides are provided with pilot hole, and elevating lever is equipped in pilot hole, and the top of elevating lever is connected with threaded rod, and threaded rod is equipped with spiral shell
Mother is connected with connecting rod on nut, eye-shading plate is connected in connecting rod, the bottom end of elevating lever is connected with supporting pad.
It further, further include thering is fixed skewback, swing kelly and elastic slice, the lateral surface of two elevating levers to be respectively connected with more
A fixed skewback, the front and rear sides of seat tops are hingedly connected with swing kelly, and two pilot holes are located at two swing kellies
Between, kelly and fixed skewback cooperation are swung, swings and is connected with elastic slice between kelly and seat tops.
When needing to carry out eye test, people stand in place, and subsequent medical staff is dynamic with the movable pendulum that hands down
Bar, oscillating rod drive annular slab to rotate clockwise to lower swing, and annular slab, which rotates clockwise, drives soft pawl to rotate clockwise,
Can so handle ratchet wheel be made to rotate clockwise, handle ratchet wheel, which rotates clockwise, drives outer ratchet to rotate clockwise, and outer ratchet is clockwise
Rotation drives downside bull stick to rotate clockwise by link block, and downside bull stick rotates clockwise drive downside roller and turns clockwise
Dynamic, downside roller is rotated clockwise can be such that upside roller rotates clockwise by visual chart, can so make visual chart up time
Needle rotation, after visual chart is clockwise to suitable position, medical staff stops swinging oscillating rod, and the word on visual chart is realized
Present plane mirror, subsequent people cover an eyes, then can carry out eyesight testing by watching plane mirror, when people indicate
When can continue to adjust visual chart, medical staff is swung up oscillating rod with hand, so soft pawl can be made to rotate counterclockwise, by
Outer ratchet can be blocked in swinging pawl, so as to prevent outer ratchet and handle ratchet wheel from rotating counterclockwise, when oscillating rod is upward
Swing after resetting, medical staff with hand to lower swing oscillating rod, so by rotating clockwise visual chart, so as to convenient
Test near and distance is carried out to people.
When needing to carry out test near and distance to people, procurator is first sitting in seat, and leans against in arcuate backrest, then uses
Hand covers an eyes, then watches the visual chart on plane mirror, so can people be carried out with test near and distance, and examine
The personnel of examining can so be not required to medical staff with hand to lower swing oscillating rod, so as to realize with hand to lower swing oscillating rod
Self-service completion test near and distance, and can reduce the labor intensity of medical staff.
People move up and down elevating lever according to the height of itself, and elevating lever, which moves up and down, drives threaded rod to move up and down, spiral shell
Rasp bar moves up and down eye-shading plate up and down through nut and connecting rod, after eye-shading plate is moved up and down to suitable position, people
Eye-shading plate is covered to oneself eyes, then plane mirror is watched, people can so be facilitated to carry out eyesight survey
It is fixed.
People swing kelly with the outside side oscillation of hand, can be so removed in fixed skewback to kelly, so as to release
Fixation to elevating lever, elastic slice are upheld therewith, and subsequent people move up and down elevating lever to suitable position, then unclamp kelly,
Under the action of elastic slice elastic force kelly can be caught in corresponding fixed skewback, elevating lever can so be fixed, from without
People hold elevating lever with hand, and then can prevent arm from aching.
The beneficial effects of the present invention are: the present invention passes through with the movable pendulum lever that hands down, it can so make visual chart up time
Needle rotation, by watch plane mirror can carry out eyesight testing, by elevating lever move up and down can eye-shading plate move up and down, such as
This, which is not required to people, covers eyes with hand and carries out test near and distance, kelly can be made to be caught in corresponding fixed skewback by elastic slice, such as
This can fix elevating lever, hold elevating lever with hand from without people, and then can prevent arm from aching.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention.
Fig. 2 is part right side structural representation of the invention.
In appended drawing reference: 1 ... left support abutment, 2 ... installing frames, 3 ... bearing blocks, 4 ... bull sticks, 5 ... rollers, 6 ... visual charts,
7 ... link blocks, 8 ... outer ratchets, 9 ... handle ratchet wheels, 10 ... annular slabs, 11 ... soft pawls, 12 ... swing pawl, 13 ... elasticity pressures
Tight piece, 14 ... oscillating rods, 15 ... right support abutments, 16 ... plane mirrors, 17 ... middle supports, 18 ... seats, 19 ... arcuate backrests, 20 ... rise
Bar drops, and 21 ... threaded rods, 22 ... nuts, 23 ... connecting rods, 24 ... eye-shading plates, 25 ... pilot holes, 26 ... supporting pads, 27 ... is fixed
Skewback, 28 ... swing kelly, 29 ... elastic slices.
Specific embodiment
Embodiments of the present invention will be described referring to the drawings.
Embodiment 1
A kind of self-help type optometric apparatus includes as shown in Figs. 1-2 left support abutment 1, installing frame 2, bearing block 3, bull stick 4, rolling
Cylinder 5, link block 7, outer ratchet 8, handle ratchet wheel 9, annular slab 10, soft pawl 11, swings pawl 12, elastic compression piece at visual chart 6
13, oscillating rod 14, right support abutment 15 and plane mirror 16, the top of left support abutment 1 are connected with installing frame 2, before and after the top in installing frame 2
Two sides are mounted on bearing block 3, and the lower part front and rear sides in installing frame 2 are also mounted on bearing block 3, former and later two bearing blocks 3
Between be connected with bull stick 4, roller 5 is connected on bull stick 4, visual chart 6 is wound between two rollers 5, the front of downside bull stick 4 is worn
Installing frame 2 is crossed, the front end of downside bull stick 4 is connected with link block 7, and outer ratchet 8 is connected on rear side of link block 7, is connected on the inside of outer ratchet 8
It is connected to handle ratchet wheel 9, annular slab 10 is cased on downside bull stick 4, annular slab 10 is located at the rear side of link block 7, connects on annular slab 10
There is soft pawl 11, soft pawl 11 cooperates with handle ratchet wheel 9, and the left side of left support abutment 1, which is hingedly connected with, swings pawl 12, swings
Pawl 12 and outer ratchet 8 cooperate, and the left side lower part of left support abutment 1 is connected with elastic compression piece 13, and elastic compression piece 13 is located at pendulum
The lower section of pawl 12, elastic compression piece 13 are contacted with pawl 12 is swung, and the front side of annular slab 10 is connected with oscillating rod 14, right branch
The top of seat 15 is embedded with plane mirror 16, and right support abutment 15 is located at the right side of left support abutment 1, and plane mirror 16 and visual chart 6 cooperate.
Embodiment 2
A kind of self-help type optometric apparatus includes as shown in Figs. 1-2 left support abutment 1, installing frame 2, bearing block 3, bull stick 4, rolling
Cylinder 5, link block 7, outer ratchet 8, handle ratchet wheel 9, annular slab 10, soft pawl 11, swings pawl 12, elastic compression piece at visual chart 6
13, oscillating rod 14, right support abutment 15 and plane mirror 16, the top of left support abutment 1 are connected with installing frame 2, before and after the top in installing frame 2
Two sides are mounted on bearing block 3, and the lower part front and rear sides in installing frame 2 are also mounted on bearing block 3, former and later two bearing blocks 3
Between be connected with bull stick 4, roller 5 is connected on bull stick 4, visual chart 6 is wound between two rollers 5, the front of downside bull stick 4 is worn
Installing frame 2 is crossed, the front end of downside bull stick 4 is connected with link block 7, and outer ratchet 8 is connected on rear side of link block 7, is connected on the inside of outer ratchet 8
It is connected to handle ratchet wheel 9, annular slab 10 is cased on downside bull stick 4, annular slab 10 is located at the rear side of link block 7, connects on annular slab 10
There is soft pawl 11, soft pawl 11 cooperates with handle ratchet wheel 9, and the left side of left support abutment 1, which is hingedly connected with, swings pawl 12, swings
Pawl 12 and outer ratchet 8 cooperate, and the left side lower part of left support abutment 1 is connected with elastic compression piece 13, and elastic compression piece 13 is located at pendulum
The lower section of pawl 12, elastic compression piece 13 are contacted with pawl 12 is swung, and the front side of annular slab 10 is connected with oscillating rod 14, right branch
The top of seat 15 is embedded with plane mirror 16, and right support abutment 15 is located at the right side of left support abutment 1, and plane mirror 16 and visual chart 6 cooperate.
It further include having middle support 17, seat 18 and arcuate backrest 19, the right side of left support abutment 1 is equipped with middle support 17, middle support
17 top is connected with seat 18, is connected with arcuate backrest between the lower part of 2 right side of top left side and installing frame of seat 18
19。
Embodiment 3
A kind of self-help type optometric apparatus includes as shown in Figs. 1-2 left support abutment 1, installing frame 2, bearing block 3, bull stick 4, rolling
Cylinder 5, link block 7, outer ratchet 8, handle ratchet wheel 9, annular slab 10, soft pawl 11, swings pawl 12, elastic compression piece at visual chart 6
13, oscillating rod 14, right support abutment 15 and plane mirror 16, the top of left support abutment 1 are connected with installing frame 2, before and after the top in installing frame 2
Two sides are mounted on bearing block 3, and the lower part front and rear sides in installing frame 2 are also mounted on bearing block 3, former and later two bearing blocks 3
Between be connected with bull stick 4, roller 5 is connected on bull stick 4, visual chart 6 is wound between two rollers 5, the front of downside bull stick 4 is worn
Installing frame 2 is crossed, the front end of downside bull stick 4 is connected with link block 7, and outer ratchet 8 is connected on rear side of link block 7, is connected on the inside of outer ratchet 8
It is connected to handle ratchet wheel 9, annular slab 10 is cased on downside bull stick 4, annular slab 10 is located at the rear side of link block 7, connects on annular slab 10
There is soft pawl 11, soft pawl 11 cooperates with handle ratchet wheel 9, and the left side of left support abutment 1, which is hingedly connected with, swings pawl 12, swings
Pawl 12 and outer ratchet 8 cooperate, and the left side lower part of left support abutment 1 is connected with elastic compression piece 13, and elastic compression piece 13 is located at pendulum
The lower section of pawl 12, elastic compression piece 13 are contacted with pawl 12 is swung, and the front side of annular slab 10 is connected with oscillating rod 14, right branch
The top of seat 15 is embedded with plane mirror 16, and right support abutment 15 is located at the right side of left support abutment 1, and plane mirror 16 and visual chart 6 cooperate.
It further include having middle support 17, seat 18 and arcuate backrest 19, the right side of left support abutment 1 is equipped with middle support 17, middle support
17 top is connected with seat 18, is connected with arcuate backrest between the lower part of 2 right side of top left side and installing frame of seat 18
19。
It further include having elevating lever 20, threaded rod 21, nut 22, connecting rod 23, eye-shading plate 24 and supporting pad 26, seat 18
Front and rear sides are provided with pilot hole 25, are equipped with elevating lever 20 in pilot hole 25, the top of elevating lever 20 is connected with threaded rod 21, spiral shell
Rasp bar 21 is equipped with nut 22, is connected with connecting rod 23 on nut 22, eye-shading plate 24 is connected in connecting rod 23, elevating lever 20
Bottom end is connected with supporting pad 26.
Embodiment 4
A kind of self-help type optometric apparatus includes as shown in Figs. 1-2 left support abutment 1, installing frame 2, bearing block 3, bull stick 4, rolling
Cylinder 5, link block 7, outer ratchet 8, handle ratchet wheel 9, annular slab 10, soft pawl 11, swings pawl 12, elastic compression piece at visual chart 6
13, oscillating rod 14, right support abutment 15 and plane mirror 16, the top of left support abutment 1 are connected with installing frame 2, before and after the top in installing frame 2
Two sides are mounted on bearing block 3, and the lower part front and rear sides in installing frame 2 are also mounted on bearing block 3, former and later two bearing blocks 3
Between be connected with bull stick 4, roller 5 is connected on bull stick 4, visual chart 6 is wound between two rollers 5, the front of downside bull stick 4 is worn
Installing frame 2 is crossed, the front end of downside bull stick 4 is connected with link block 7, and outer ratchet 8 is connected on rear side of link block 7, is connected on the inside of outer ratchet 8
It is connected to handle ratchet wheel 9, annular slab 10 is cased on downside bull stick 4, annular slab 10 is located at the rear side of link block 7, connects on annular slab 10
There is soft pawl 11, soft pawl 11 cooperates with handle ratchet wheel 9, and the left side of left support abutment 1, which is hingedly connected with, swings pawl 12, swings
Pawl 12 and outer ratchet 8 cooperate, and the left side lower part of left support abutment 1 is connected with elastic compression piece 13, and elastic compression piece 13 is located at pendulum
The lower section of pawl 12, elastic compression piece 13 are contacted with pawl 12 is swung, and the front side of annular slab 10 is connected with oscillating rod 14, right branch
The top of seat 15 is embedded with plane mirror 16, and right support abutment 15 is located at the right side of left support abutment 1, and plane mirror 16 and visual chart 6 cooperate.
It further include having middle support 17, seat 18 and arcuate backrest 19, the right side of left support abutment 1 is equipped with middle support 17, middle support
17 top is connected with seat 18, is connected with arcuate backrest between the lower part of 2 right side of top left side and installing frame of seat 18
19。
It further include having elevating lever 20, threaded rod 21, nut 22, connecting rod 23, eye-shading plate 24 and supporting pad 26, seat 18
Front and rear sides are provided with pilot hole 25, are equipped with elevating lever 20 in pilot hole 25, the top of elevating lever 20 is connected with threaded rod 21, spiral shell
Rasp bar 21 is equipped with nut 22, is connected with connecting rod 23 on nut 22, eye-shading plate 24 is connected in connecting rod 23, elevating lever 20
Bottom end is connected with supporting pad 26.
It further include thering is fixed skewback 27, swing kelly 28 and elastic slice 29, the lateral surface of two elevating levers 20 to be respectively connected with more
A fixed skewback 27, the front and rear sides at 18 top of seat, which are hingedly connected with, swings kelly 28, and two pilot holes 25 are located at two
It swings between kelly 28, swings kelly 28 and fixed skewback 27 cooperates, swing and be connected with bullet between 18 top of kelly 28 and seat
Piece 29.
When needing to carry out eye test, people stand in place, and subsequent medical staff is dynamic with the movable pendulum that hands down
Bar 14, oscillating rod 14 drive annular slab 10 to rotate clockwise to lower swing, and annular slab 10, which rotates clockwise, drives soft pawl 11
It rotates clockwise, so handle ratchet wheel 9 can be made to rotate clockwise, handle ratchet wheel 9, which rotates clockwise, drives outer ratchet 8 to turn clockwise
Dynamic, outer ratchet 8 is rotated clockwise drives downside bull stick 4 to rotate clockwise by link block 7, and downside bull stick 4 rotates clockwise band
Dynamic downside roller 5 rotates clockwise, and downside roller 5 is rotated clockwise can be such that upside roller 5 turns clockwise by visual chart 6
It is dynamic, so visual chart 6 can be made to rotate clockwise, after visual chart 6 is clockwise to suitable position, medical staff stops swinging
Oscillating rod 14, the font on visual chart 6 appear in plane mirror 16, and subsequent people cover an eyes, then flat by viewing
Face mirror 16 can carry out eyesight testing, and when people, which indicate, can continue to adjust visual chart 6, medical staff is swung up swing with hand
Bar 14 can so be such that soft pawl 11 rotates counterclockwise, and can block outer ratchet 8 due to swinging pawl 12, so as to
Prevent outer ratchet 8 from rotating counterclockwise with handle ratchet wheel 9, after oscillating rod 14 is swung up reset, medical staff is with hand to lower swing
Oscillating rod 14 carries out test near and distance to people so as to convenient so by rotating clockwise visual chart 6.
When needing to carry out test near and distance to people, procurator is first sitting in seat 18, and leans against in arcuate backrest 19, with
An eyes are covered with hand afterwards, then the visual chart 6 on plane mirror 16 is watched, can so carry out eyesight survey to people
It is fixed, and procurator can so be not required to medical staff with hand to lower swing oscillating rod 14 with hand to lower swing oscillating rod 14, from
And it can be realized self-service completion test near and distance, and can reduce the labor intensity of medical staff.
People move up and down elevating lever 20 according to the height of itself, and elevating lever 20 is moved up and down to drive and be moved down on threaded rod 21
Dynamic, threaded rod 21 moves up and down eye-shading plate 24 up and down through nut 22 and connecting rod 23, when eye-shading plate 24 moves up and down
To suitable position, eye-shading plate 24 is covered the eyes of oneself by people, is then watched plane mirror 16, so can
People are facilitated to carry out test near and distance.
People swing kelly 28 with the outside side oscillation of hand, can be so removed in fixed skewback 27 to kelly, so as to
Fixation to elevating lever 20 is released, elastic slice 29 is upheld therewith, and subsequent people move up and down elevating lever 20 to suitable position, then loose
Kelly is opened, under the action of 29 elastic force of elastic slice kelly can be caught in corresponding fixed skewback 27, it so can be to elevating lever
20 is fixed, holds elevating lever 20 with hand from without people, and then can prevent arm from aching.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. a kind of self-help type optometric apparatus includes left support abutment (1), installing frame (2), bearing block (3), bull stick (4), roller
(5) and visual chart (6) it, is connected with installing frame (2) at the top of left support abutment (1), the top front and rear sides in installing frame (2) are respectively mounted
Have bearing block (3), the lower part front and rear sides in installing frame (2) are also mounted on bearing block (3), former and later two bearing blocks (3) it
Between be connected with bull stick (4), be connected on bull stick (4) roller (5), be wound with visual chart (6), downside bull stick between two rollers (5)
(4) front passes through installing frame (2), it is characterised in that: further includes having link block (7), outer ratchet (8), handle ratchet wheel (9), annular
Plate (10), swings pawl (12), elastic compression piece (13), oscillating rod (14), right support abutment (15) and plane mirror at soft pawl (11)
(16), the front end of downside bull stick (4) is connected with link block (7), is connected with outer ratchet (8) on rear side of link block (7), outer ratchet (8)
Inside is connected with handle ratchet wheel (9), is cased on downside bull stick (4) annular slab (10), after annular slab (10) is located at link block (7)
Side is connected with soft pawl (11) on annular slab (10), and soft pawl (11) and handle ratchet wheel (9) cooperate, the left side of left support abutment (1)
Face, which is hingedly connected with, swings pawl (12), swings pawl (12) and outer ratchet (8) and cooperates, and the left side lower part of left support abutment (1) connects
It is connected to elastic compression piece (13), elastic compression piece (13) is located at the lower section for swinging pawl (12), elastic compression piece (13) and swing
Pawl (12) contacts, and is connected with oscillating rod (14) on front side of annular slab (10), and the top of right support abutment (15) is embedded with plane mirror (16),
Right support abutment (15) is located at the right side of left support abutment (1), and plane mirror (16) and visual chart (6) cooperate.
2. a kind of self-help type optometric apparatus as described in claim 1, it is characterised in that: further include have middle support (17),
The right side of seat (18) and arcuate backrest (19), left support abutment (1) is equipped with middle support (17), is connected with seat at the top of middle support (17)
Chair (18) is connected with arcuate backrest (19) between the top left side of seat (18) and the lower part of installing frame (2) right side.
3. a kind of self-help type optometric apparatus as claimed in claim 2, it is characterised in that: further include have elevating lever (20),
Threaded rod (21), nut (22), connecting rod (23), eye-shading plate (24) and supporting pad (26), the front and rear sides of seat (18) are opened
Have pilot hole (25), is equipped with elevating lever (20) in pilot hole (25), the top of elevating lever (20) is connected with threaded rod (21), screw thread
Bar (21) is equipped with nut (22), is connected with connecting rod (23) on nut (22), eye-shading plate (24) are connected in connecting rod (23),
The bottom end of elevating lever (20) is connected with supporting pad (26).
4. a kind of self-help type optometric apparatus as claimed in claim 3, it is characterised in that: further include having fixed skewback
(27), kelly (28) are swung and elastic slice (29), the lateral surface of two elevating levers (20) is respectively connected with multiple fixed skewbacks (27), seat
Front and rear sides at the top of chair (18), which are hingedly connected with, swings kelly (28), and two pilot holes (25) are located at two swing kellies
(28) between, kelly (28) and fixed skewback (27) cooperation is swung, swings between at the top of kelly (28) and seat (18) and is connected with
Elastic slice (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254016.XA CN109394165B (en) | 2018-10-26 | 2018-10-26 | Self-service eyesight testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254016.XA CN109394165B (en) | 2018-10-26 | 2018-10-26 | Self-service eyesight testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109394165A true CN109394165A (en) | 2019-03-01 |
| CN109394165B CN109394165B (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811254016.XA Expired - Fee Related CN109394165B (en) | 2018-10-26 | 2018-10-26 | Self-service eyesight testing device |
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Cited By (4)
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| CN110974153A (en) * | 2019-11-05 | 2020-04-10 | 温州市中心医院 | Slit lamp head position fixing device |
| CN113288043A (en) * | 2021-06-23 | 2021-08-24 | 赵雁之 | Device for detecting elasticity of crystalline lens through optical coherent elastography |
| CN113384232A (en) * | 2021-05-20 | 2021-09-14 | 邵丽平 | Eyesight detection equipment for ophthalmology |
| CN114983335A (en) * | 2022-07-18 | 2022-09-02 | 蒋华 | Self-service testing device and method for eyesight of teenagers |
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| CN206333901U (en) * | 2016-09-01 | 2017-07-18 | 阿坝师范学院 | Multifunction students ' physique evaluation apparatus |
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| CN110974153A (en) * | 2019-11-05 | 2020-04-10 | 温州市中心医院 | Slit lamp head position fixing device |
| CN110974153B (en) * | 2019-11-05 | 2022-02-08 | 温州市中心医院 | Slit lamp head position fixing device |
| CN113384232A (en) * | 2021-05-20 | 2021-09-14 | 邵丽平 | Eyesight detection equipment for ophthalmology |
| CN113288043A (en) * | 2021-06-23 | 2021-08-24 | 赵雁之 | Device for detecting elasticity of crystalline lens through optical coherent elastography |
| CN114983335A (en) * | 2022-07-18 | 2022-09-02 | 蒋华 | Self-service testing device and method for eyesight of teenagers |
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