CN207024038U - A kind of eyesight detects chair special - Google Patents
A kind of eyesight detects chair special Download PDFInfo
- Publication number
- CN207024038U CN207024038U CN201720167285.7U CN201720167285U CN207024038U CN 207024038 U CN207024038 U CN 207024038U CN 201720167285 U CN201720167285 U CN 201720167285U CN 207024038 U CN207024038 U CN 207024038U
- Authority
- CN
- China
- Prior art keywords
- headrest portion
- eyesight
- chair
- chair body
- measurement bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model provides a kind of eyesight detection chair special, including chair body, base, elevating mechanism, lift control switch, measurement bar, pillow bracket mechanism and infrared distance measurement sensing instrument.Elevating mechanism is installed on base and is connected with chair body；Lift control switch is connected with elevating mechanism；Measurement bar is installed in chair body；Pillow bracket mechanism is installed in measurement bar or chair body, and can be moved in stress along measurement bar；Pillow bracket mechanism is provided with a reference mark, and reference mark and the eyes for the person of giving a test of one's eyesight are located in same horizontal line；Scale is vertically provided with measurement bar, for the distance when chair body is located at a specified altitude assignment position between measuring basis mark and ground；Infrared distance measurement sensing instrument measures and shows the distance between chair body and base.Above-mentioned eyesight detection chair special may be such that the eyes of eyesight tester are maintained at the same horizontal plane from different tested sighting targets, improve the accuracy of eyesight detection by lifting pillow support mechanism.
Description
【Technical field】
It the utility model is related to technical field of medical instruments, and in particular to a kind of eyesight detects chair special.
【Background technology】
Eyesight testing requirements eyes are 5 meters with the standard straight-line distance that sighting target is detected in standard visual acuity chart, clinically very
Hardly possible meets.When surveying eyesight, especially weak-eyed eyesight tester, head automatic can be moved along during detection,
Directly shorten the distance of eyes and tested sighting target；In addition, during test, the eyes of eyesight tester can not regard with standard
The detected sighting target of power table keeps same level height, causes test result not accurate enough.
【Utility model content】
For above-mentioned problem, it is necessary to it is special to provide a kind of eyesight detection that can improve eyesight detection accuracy
Chair.
To reach above-mentioned purpose, technical scheme is used by the utility model：
A kind of eyesight detects chair special, including chair body, base, elevating mechanism, lift control switch, measurement bar, pillow
Support mechanism and infrared distance measurement sensing instrument, the elevating mechanism are installed on the base, and the elevating mechanism is away from the base
End be connected with the chair body；The lift control switch is connected with the elevating mechanism, the lift control switch
The elevating mechanism is controlled, to drive the chair body vertically to move up and down；The measurement bar is installed in described
Side of the chair body away from the base；The pillow bracket mechanism is installed in the measurement bar or the chair body, and energy
It is enough to be moved in stress along the measurement bar；The pillow bracket mechanism is provided with a reference mark, and the reference mark regards with detection
The eyes of power person are located in same horizontal line；Scale is vertically provided with the measurement bar, in the chair body
The distance between the reference mark and ground are measured during positioned at a specified altitude assignment position；The infrared distance measurement sensing instrument includes red
Outer distance measuring sensor and the display screen being connected with the infrared distance sensor, the infrared distance sensor and the display screen
Interval be installed in the base and/or the chair body, with measure and show between the chair body and base away from
From or the distance between the chair body and ground.
Further, the lift control switch includes rising controlling switch and declines controlling switch, described to rise control
Switch and the decline controlling switch are connected with the elevating mechanism.
Further, the pillow bracket mechanism includes headrest portion and locking screw, and the headrest portion is actively sheathed on described
In measurement bar, the reference mark in the headrest portion, the locking screw be bolted in the headrest portion and one end with
The measurement bar abuts, and the headrest portion is fixed in the measurement bar, the headrest portion loosens in the locking screw
When can stress slided along the measurement bar.
Further, the pillow bracket mechanism includes headrest portion, sleeve pipe, stretch rod and trip bolt, one end of described sleeve pipe
It is connected with the chair body, one end of the stretch rod is actively inserted in described sleeve pipe, and the headrest portion is installed in institute
The free terminal of stretch rod is stated, the reference mark is the top surface in the headrest portion, and the trip bolt is bolted in described sleeve pipe
Upper and one end abuts with the stretch rod, the headrest portion when the trip bolt loosens can stress slided along the measurement bar
It is dynamic.
Further, pilot hole is further opened with the headrest portion, the headrest portion is actively covered by the pilot hole
In the measurement bar.
Further, the pillow bracket mechanism includes drive mechanism, driving switch and headrest portion, and the drive mechanism is installed in
Be connected in the chair body and with the headrest portion, drive control switch be installed in the headrest portion and with the drive
Motivation structure connects, and the reference mark is in the headrest portion.
Further, the headrest portion is provided with the head positioning groove being used for for the person's of giving a test of one's eyesight pillow.
Further, the elevating mechanism is motor, including motor body and is movably connected on described motor body one end
Motor shaft, the motor body is installed in the base, and the free terminal of the motor shaft is connected with the chair body.
Due to being had the advantages that using above-mentioned technical proposal, the utility model：
Eyesight of the present utility model detects chair special, in use, measurement in advance is to obtain on a standard visual acuity chart, often row regards
Height between mark and ground.Eyesight tester is sitting in chair body, and head is pillowed in pillow bracket mechanism, to prevent eyesight from detecting
Person's head during detection is moved along.The chair body is adjusted in specified altitude assignment position, now, the zero graduation of measurement bar
It rest on the ground, the distance between the reference mark and ground can be obtained by observing measurement bar.According in standard visual acuity chart
Height between sighting target and ground, elevating mechanism lifting chair body and the pillow bracket mechanism being connected with chair body, to cause base
Fiducial mark is remembered to be located in same horizontal line with being tested sighting target.Because the eyes of reference mark and eyesight tester are located at same level
On, therefore, by lifting pillow support mechanism, it may be such that the eyes of eyesight tester are maintained at same level from different tested sighting targets
On face, the accuracy of eyesight detection is improved.
【Brief description of the drawings】
Fig. 1 is that the eyesight of the better embodiment of the utility model one detects the structural representation of chair special.
Fig. 2 is that the eyesight of another embodiment of the utility model detects the structural representation of chair special.
Fig. 3 is that the eyesight of the another embodiment of the utility model detects the structural representation of chair special.
In accompanying drawing, 100- eyesights detection chair special, 2- bases, 3- elevating mechanisms, 32- motor bodies, 34- motor shafts, 4-
Chair body, 42- seat supports, the 44- chair back, 46- handrails, 5- lift control switch, 52- rise controlling switch, 54- declines control and opened
Pass, 6- measurement bars, 62- scales, 7- pillow brackets mechanism, 72,77,71- headrests portion, 712- pilot holes, 722- reference marks, 724- heads
Portion's locating slot, 73- sleeves, 74- locking screws, 75- drive mechanisms, 76- driving switch, 73- sleeve pipes, 78- stretch rods, 79- are tight
Gu screw, 8- infrared distance measurements sensing instrument, 82- infrared distance sensors, 84- display screens.
【Embodiment】
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it
Can be set directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
Fig. 1 is referred to, the utility model embodiment provides a kind of eyesight detection chair special 100, including base 2, lifting
Mechanism 3, chair body 4, lift control switch 5, measurement bar 6, pillow bracket mechanism 7 and infrared distance measurement sensing instrument 8.
The elevating mechanism 3 is installed on the base 2, end of the elevating mechanism 3 away from the base 2 with it is described
Chair body 4 connects.In the present embodiment, the elevating mechanism 3 is motor, including motor body 32 and is movably connected on institute
State the motor shaft 34 of the one end of motor body 32.The motor body 32 is installed in the base 2, the freedom of the motor shaft 34
End is connected with the chair body 4.In the present embodiment, the chair body 4 includes seat support 42 and is connected to the chair
The chair back 44 of 42 sides of seat connection.The seat support 42 is connected with the free terminal of the motor shaft 34, the seat support 42 it is relative
Both sides are additionally provided with handrail 46.
The lift control switch 5 is installed on the handrail 46, and is connected with the motor body 32.The lifting control
The control elevating mechanism 3 of system switch 5, to drive the chair body 4 vertically to move up and down.In present embodiment
In, the lift control switch 5 includes rising controlling switch 52 and declines controlling switch 54, rises controlling switch 52 and declines control
System switch 54 is connected with the motor body 32.Wherein, the upper elevator that controlling switch 52 is used to control elevating mechanism 3 is risen
It is dynamic, decline the descending motion that controlling switch 54 is used to control elevating mechanism 3.
Measurement bar 6 is installed in side of the chair back 44 away from the base 2, is vertically set in the measurement bar 6
There is scale 62.The pillow bracket mechanism 7 is installed in the measurement bar 6, and can be moved in stress along the measurement bar 6.
In present embodiment, the pillow bracket mechanism 7 includes headrest portion 72 and locking screw 74.The headrest portion 72 is actively sheathed on institute
State in measurement bar 6.The headrest portion 72 is provided with a reference mark 722, the reference mark 722 and the eyes for the person of giving a test of one's eyesight
In same horizontal line.In the present embodiment, the reference mark 722 is the top surface in the headrest portion 72.The headrest
It is additionally provided with portion 72 for the head positioning groove 724 for the person's of giving a test of one's eyesight pillow.In the present embodiment, head positioning groove 724
Substantially in the arc shape groove to match with people's back side of head shape.The locking screw 74 is bolted in the headrest portion 72 and one
End abuts with the measurement bar 6, the headrest portion 72 is fixed in the measurement bar 6, the headrest portion 72 is in the lock
Gu screw 74 loosen when can stress slided along the measurement bar 6, to adjust the height and position in headrest portion 72.
Infrared distance measurement sensing instrument 8 includes infrared distance sensor 82 and is connected with the infrared distance sensor 82
Display screen 84.In the present embodiment, the infrared distance sensor 82 is installed in the bottom of the seat support 42, the display screen
84 are installed on the base 2.Infrared distance sensor 82 has a pair of infrared signal transmittings and reception diode (not shown),
The infrared signal emitting diode utilized launches a branch of infrared light, and the process of a reflection is formed after base 2 is irradiated to, is connect
After receiving diode reception signal, the processing of infrared distance sensor 82 receives transmitting and the data of the time difference received, and then obtains
The distance between the bottom of the seat support 42 and base 2, and the distance value is shown on the display screen 84.
In use, measurement in advance is to obtain on a standard visual acuity chart the often height between row sighting target and ground.Give a test of one's eyesight
Person is sitting in the chair body 4, by the height for adjusting headrest portion 72 so that the back side of head for the person of giving a test of one's eyesight pillows headrest portion
In 72 head positioning groove 724, to prevent eyesight tester head during detection to be moved along.Adjust the chair body
4 in a specified altitude assignment position, and now, the zero graduation of measurement bar 6 is rest on the ground, and can obtain the base by observing measurement bar 6
Fiducial mark remembers the distance between 722 and ground.Assuming that the sighting target to be to mark detects, now, 0.8 is first calculated
Difference in height between sighting target and reference mark 722.If plane is higher than the place plane of reference mark 722 where 0.8 sighting target, lead to
Cross rising controlling switch 52 and control elevating mechanism 3, drive chair body 4 and the headrest portion 72 that be connected with chair body 4 and meanwhile on
Rise, ensure that the climb of headrest portion 72 is equal with the difference in height by observing the scale on display screen 84, now, headrest portion
72 reference mark 722 is located in same horizontal line with 0.8 sighting target of standard visual acuity chart.If the position of 0.8 sighting target is than the base
Fiducial mark note 722 is low, then controls elevating mechanism 3 by declining controlling switch 54, drives chair body 4 and pillow bracket mechanism 7 with present
Drop.Because the eyes of reference mark 722 and eyesight tester are located in same level, therefore, by lift chair body 4 and
Headrest portion 72, it may be such that the eyes of eyesight tester are maintained at the same horizontal plane from different tested sighting targets, improve eyesight
The accuracy of detection.
It is appreciated that the structure of the elevating mechanism 3 is not limited to present embodiment, in other embodiments, can adopt
Chair body 4 is lifted with scissors mechanism, as long as there is elevating function, and can all may be used by switching the elevating mechanism 3 of control.
It is appreciated that in other embodiments, lift control switch 5 can also be located at seat support 42, the chair back 44 or base 2
On.
It is appreciated that infrared distance sensor 82 can also by measuring the distance between the chair body and ground,
And by the cooperation with measurement bar 6, with the position of positioning datum mark 722.
It is appreciated that the infrared distance sensor 82 and the display screen 84 can also be arranged at the chair body
On 4, or it is all disposed within the base 2.
It is appreciated that the lift control switch 5 can also be located on a remote control, lift control switch 5 and lifting
Mechanism 3 is attached by wireless communication mode.
It is appreciated that reference mark 722 can also be in the headrest portion 72 and with the eyes position for the person of giving a test of one's eyesight
In the datum line in same horizontal line.
It is appreciated that the structure of pillow bracket mechanism 7 is not limited to present embodiment.Fig. 2 is referred to, the pillow bracket mechanism 7 includes
Drive mechanism 75, driving switch 76 and headrest portion 77.The reference mark 722 is the top surface in the headrest portion 77.The driving
Mechanism 75 is installed in the chair body 4 and is connected with the headrest portion 77, and the driving switch 76 is installed in the headrest
It is connected in portion 77 and with the drive mechanism 75.The driving switch 76 is used to control the drive mechanism 75, drives the head
Occipitalia 77 moves along the measurement bar 614.Drive mechanism 75 can use motor.Driving switch 76 can also be arranged on base 2
Or in chair body 4.
Fig. 3 is referred to, it provides the structure of another pillow bracket mechanism 7.In the present embodiment, the pillow bracket mechanism 7
Including headrest portion 71, sleeve pipe 73, stretch rod 78 and trip bolt 79.One end of described sleeve pipe 73 is connected with the chair body 4,
One end of the stretch rod 78 is actively inserted in described sleeve pipe 73, and the headrest portion 71 is installed in oneself of the stretch rod 78
By end.The reference mark 722 be the headrest portion 71 top surface, the trip bolt 79 be bolted in described sleeve pipe 73 and
One end abuts with the stretch rod 78, the headrest portion 71 when the trip bolt 79 loosens can stress along the measurement bar
6 slide.Pilot hole 712 is further opened with the headrest portion 71, the headrest portion 71 is actively arranged by the pilot hole 712
In in the measurement bar 6.
Described above is the detailed description for the preferable possible embodiments of the utility model, but embodiment is not limited to
Patent claim of the present utility model, the equal change or modification completed under the technical spirit suggested by all the utility model
Change, all should belong to the utility model and cover the scope of the claims.
Claims (8)
1. a kind of eyesight detects chair special, including chair body, it is characterised in that：The eyesight detection chair special also includes bottom
Seat, elevating mechanism, lift control switch, measurement bar, pillow bracket mechanism and infrared distance measurement sensing instrument, the elevating mechanism are installed in institute
State on base, end of the elevating mechanism away from the base is connected with the chair body；The lift control switch with
The elevating mechanism connection, the lift control switch control the elevating mechanism, to drive the chair body along vertical side
To moving up and down；The measurement bar is installed in side of the chair body away from the base；The pillow bracket mechanism installing
In the measurement bar or the chair body, and it can be moved in stress along the measurement bar；Set in the pillow bracket mechanism
There is a reference mark, the reference mark and the eyes for the person of giving a test of one's eyesight are located in same horizontal line；Along perpendicular in the measurement bar
Nogata to provided with scale, for measured when the chair body is located at a specified altitude assignment position reference mark and ground it
Between distance；The infrared distance measurement sensing instrument includes infrared distance sensor and the display being connected with the infrared distance sensor
Screen, the infrared distance sensor and the display screen interval are installed in the base and/or the chair body, with measurement
And show the distance between the chair body and base or the distance between the chair body and ground.
2. eyesight as claimed in claim 1 detects chair special, it is characterised in that：The lift control switch, which includes rising, to be controlled
Switch and decline controlling switch, the rising controlling switch and the decline controlling switch are connected with the elevating mechanism.
3. eyesight as claimed in claim 1 detects chair special, it is characterised in that：The pillow bracket mechanism includes headrest portion and locking
Screw, the headrest portion are actively sheathed in the measurement bar, and the reference mark is in the headrest portion, the locking
Screw is bolted in the headrest portion and one end abuts with the measurement bar, and the headrest portion is fixed on into the measurement bar
On, the headrest portion when the locking screw loosens can stress slided along the measurement bar.
4. eyesight as claimed in claim 1 detects chair special, it is characterised in that：The pillow bracket mechanism include headrest portion, sleeve pipe,
Stretch rod and trip bolt, one end of described sleeve pipe are connected with the chair body, and one end of the stretch rod actively plugs
In in described sleeve pipe, the headrest portion is installed in the free terminal of the stretch rod, and the reference mark is the headrest portion
Top surface, the trip bolt is bolted in described sleeve pipe and one end abuts with the stretch rod, and the headrest portion is in the fastening
During screw loosening can stress slided along the measurement bar.
5. eyesight as claimed in claim 4 detects chair special, it is characterised in that：Pilot hole is further opened with the headrest portion,
The headrest portion is actively sheathed in the measurement bar by the pilot hole.
6. eyesight as claimed in claim 1 detects chair special, it is characterised in that：The pillow bracket mechanism includes drive mechanism, driven
Dynamic switch and headrest portion, the drive mechanism are installed in the chair body and are connected with the headrest portion, the driving control
Switch processed is installed in the headrest portion and is connected with the drive mechanism, and the reference mark is in the headrest portion.
7. the eyesight detection chair special as described in claim 3-6 is any, it is characterised in that：The headrest portion, which is provided with, to be used to supply
The head positioning groove of the person's of giving a test of one's eyesight pillow.
8. the eyesight detection chair special as described in claim 2-6 is any, it is characterised in that：The elevating mechanism is motor, bag
Including motor body and be movably connected on the motor shaft of described motor body one end, the motor body is installed in the base,
The free terminal of the motor shaft is connected with the chair body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720167285.7U CN207024038U (en) | 2017-02-23 | 2017-02-23 | A kind of eyesight detects chair special |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720167285.7U CN207024038U (en) | 2017-02-23 | 2017-02-23 | A kind of eyesight detects chair special |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207024038U true CN207024038U (en) | 2018-02-23 |
Family
ID=61472670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720167285.7U Expired - Fee Related CN207024038U (en) | 2017-02-23 | 2017-02-23 | A kind of eyesight detects chair special |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207024038U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106859586A (en) * | 2017-02-23 | 2017-06-20 | 柳州市妇幼保健院 | A kind of eyesight detects chair special |
| CN108433694A (en) * | 2018-02-24 | 2018-08-24 | 周应华 | It is a kind of to facilitate adjusting type to assist sight test means for ophthalmology |
-
2017
- 2017-02-23 CN CN201720167285.7U patent/CN207024038U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106859586A (en) * | 2017-02-23 | 2017-06-20 | 柳州市妇幼保健院 | A kind of eyesight detects chair special |
| CN106859586B (en) * | 2017-02-23 | 2018-05-25 | 柳州市妇幼保健院 | A kind of eyesight detects chair special |
| CN108433694A (en) * | 2018-02-24 | 2018-08-24 | 周应华 | It is a kind of to facilitate adjusting type to assist sight test means for ophthalmology |
| CN108433694B (en) * | 2018-02-24 | 2020-05-26 | 邵阳爱尔眼科医院有限公司 | Convenient-to-adjust type auxiliary vision testing device for ophthalmology department |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 |