CN107212848A - Comprehensive optometry platform table top fixing device - Google Patents
Comprehensive optometry platform table top fixing device Download PDFInfo
- Publication number
- CN107212848A CN107212848A CN201710669055.5A CN201710669055A CN107212848A CN 107212848 A CN107212848 A CN 107212848A CN 201710669055 A CN201710669055 A CN 201710669055A CN 107212848 A CN107212848 A CN 107212848A
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- China
- Prior art keywords
- rotating shaft
- table top
- axle bed
- fixing device
- key operated
- 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.)
- Pending
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- 239000000853 adhesive Substances 0.000 claims abstract description 35
- 230000001070 adhesive effect Effects 0.000 claims abstract description 35
- 238000012856 packing Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract 1
- 230000007704 transition Effects 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The present invention is a kind of comprehensive optometry platform table top fixing device, including frame, for driving the rotating mechanism and locking device for fixed rotating shaft that optometry table table top rotates, rotating mechanism includes being arranged on the transverse arm above frame, optometry table table top is slidably mounted on transverse arm by guide rail, transverse arm one end is vertically connected with rotating shaft, the axle bed being engaged with rotating shaft is installed in frame, rotating shaft is by bearing holder (housing, cover) in axle bed;Locking device includes being arranged concentrically on the magnetic key operated lock below axle bed, and the magnetic key operated lock is arranged in frame, and the through hole of package packing rotating shaft is provided with magnetic key operated lock, and rotating shaft passes through the through hole, the adhesive plate being engaged with magnetic key operated lock is arranged with rotating shaft bottom.The present invention is by setting structure of magnetic lock optometry table table top is arbitrarily fixed in slewing area, and simple in construction, registration is easy to operate, time saving and energy saving.
Description
Technical field
The present invention relates to a kind of comprehensive optometry platform, particularly a kind of comprehensive optometry platform table top fixing device.
Background technology
The fixed form of existing comprehensive optometry platform table top is one annular anchor ear of installation in rotating shaft, is installed in anchor ear one end
Have control anchor ear unclamp or banding handle, optometry personnel need to pull handle when rotating optometry table table top and unclamp anchor ear, need
Wanting to pull handle during fixed mesa again makes anchor ear banding.This fixing means has following inconvenience:One is optometry librarian use
When to pull handle more laborious, use not enough facilitates;Two be that can not arbitrarily fix optometry table table top in slewing area, unfavorable
The accidental situation being likely to occur is tackled when client is in actual use comprehensive optometry platform.
The content of the invention
The technical problem to be solved in the present invention is in view of the shortcomings of the prior art, to propose that a kind of comprehensive optometry platform table top is fixed
Device.
The technical problem to be solved in the present invention is achieved through the following technical solutions.The present invention is a kind of comprehensive optometry platform
Table top fixing device, is characterized in, including:Frame, for supporting optometry table table top;Rotating mechanism, including be arranged in frame
The transverse arm of side, optometry table table top is slidably mounted on transverse arm by guide rail, rotating shaft is vertically connected with transverse arm one end, in frame
The axle bed being engaged with rotating shaft is installed, the rotating shaft is sleeved in axle bed by rolling bearing, in the shaft shoulder and axle bed of rotating shaft
Sliding bearing is provided between upper surface;Locking device, including it is arranged concentrically on the magnetic key operated lock below axle bed, the magnetic key operated lock peace
In frame, the through hole of package packing rotating shaft is provided with magnetic key operated lock center, rotating shaft passes through the through hole from top to bottom, under rotating shaft
End sleeve be provided with magnetic key operated lock adhesive or the adhesive component separated, power switch is installed in frame, the magnetic key operated lock passes through
Electric wire is connected with power switch.
In a kind of comprehensive optometry platform table top fixing device technical scheme of the present invention, further preferred technical scheme feature
It is:The adhesive component includes being set in adhesive plate in rotating shaft, and the adhesive plate is placed in below magnetic key operated lock, and with magnetic key operated lock it
Between leave gap, provided with ring flange in rotating shaft is enclosed on below adhesive plate, the ring flange is fixed in rotating shaft by flat key,
Elastic component is provided between adhesive plate and ring flange, the elastic component is connected with adhesive plate and ring flange respectively by fastener
Connect;Gap between the adhesive plate and magnetic key operated lock is preferably 0.1-0.3 mm.
In a kind of comprehensive optometry platform table top fixing device technical scheme of the present invention, further preferred technical scheme feature
It is:The adjusting part being set in rotating shaft is provided with the part of axle bed and magnetic key operated lock, the adjusting part is used to prevent rotating shaft axial direction
Play.
In a kind of comprehensive optometry platform table top fixing device technical scheme of the present invention, further preferred technical scheme feature
It is:The adjusting part includes the anti-return nut being set in rotating shaft, and sun pad is provided between anti-return nut and axle bed,
The sun pad is by spline housing in rotating shaft.
In a kind of comprehensive optometry platform table top fixing device technical scheme of the present invention, further preferred technical scheme feature
It is:The position-limit mechanism for limiting axis of rotation angle is provided with axle bed top.
In a kind of comprehensive optometry platform table top fixing device technical scheme of the present invention, further preferred technical scheme feature
It is:The position-limit mechanism includes the stopper slot being arranged on axle bed upper surface, is provided with and matches with stopper slot on the rotating shaft shaft shoulder
The limited post of conjunction.
In a kind of comprehensive optometry platform table top fixing device technical scheme of the present invention, further preferred technical scheme feature
It is:The stopper slot is set to scalloped recess, and the number of degrees of the scalloped recess are set to 85 ° -95 °.
In a kind of comprehensive optometry platform table top fixing device technical scheme of the present invention, further preferred technical scheme feature
It is:Countershaft is provided with the middle part of axle bed and reaches the detent mechanism positioned during scalloped recess both ends.
In a kind of comprehensive optometry platform table top fixing device technical scheme of the present invention, further preferred technical scheme feature
It is:The detent mechanism includes being arranged on detent corresponding with scalloped recess both ends on rotating shaft wall body, and sets
Positioning through hole on the wall of axle bed side, is provided with locating piece in positioning through hole, is provided with the outside of locating piece and press against locating piece
Against the spring leaf of rotating shaft wall body, the spring leaf two ends are fixed on axle bed wall body.
In a kind of comprehensive optometry platform table top fixing device technical scheme of the present invention, further preferred technical scheme feature
It is:Cam plate is installed in rotating shaft bottom, the travel switch corresponding with Cam plate position is provided with frame.
Compared with prior art, the present invention makes optometry table table top by setting the rotating mechanism being connected with optometry table table top
Axis is arbitrarily rotated around the shaft;Set structure of magnetic lock to make optometry table table top that it be fixed when turning to required position, make
It need to only control the power switch being connected with magnetic key operated lock optometry table table top can be fixed on into any angle with personnel;Regulation is set
Component is used to prevent rotating shaft from having axial float;Set position-limit mechanism to be rotated for limiting rotating shaft in the range of certain angle, and lead to
Cross when detent mechanism countershaft turns to two ends position and it is positioned.Structure of the present invention and the existing optometry table table top of in the market
Positioning method is compared, with registration, easy to operate, the advantages of time saving and energy saving.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 represents Fig. 1 lateral partial structurtes sectional view.
Fig. 3 represents the cross-sectional view at I-I place in Fig. 2.
Embodiment
Referring to the drawings, the concrete technical scheme of the present invention is further described, in order to which those skilled in the art enters
One step the present invention is understood, without constituting the limitation to its right.
Specific embodiment, reference picture 1- Fig. 3, a kind of comprehensive optometry platform table top fixing device, including frame 1, rotating mechanism 4
With locking device 5, the frame 1 is used to support optometry table table top 2, and rotating mechanism includes being arranged on the transverse arm 3 above frame, tested
Light table table top 2 is slidably mounted on transverse arm 3 by guide rail, is vertically connected with rotating shaft 8 in the one end of transverse arm 3, is provided with frame
The axle bed 6 being engaged with rotating shaft, the rotating shaft is sleeved in axle bed by two groups of rolling bearings 14, in the shaft shoulder and axle bed of rotating shaft
Sliding bearing 9 is provided between upper surface;
The locking device includes the magnetic key operated lock 17 for being arranged concentrically on the lower section of axle bed 6, and the magnetic key operated lock 17 is arranged in frame 1,
In the through hole 25 for being provided centrally with package packing rotating shaft of magnetic key operated lock 17, rotating shaft 8 sequentially passes through axle bed 6 and above-mentioned through hole from top to bottom
25, be arranged with the bottom of rotating shaft 6 with the adhesive of magnetic key operated lock 17 or the adhesive component separated, power switch is installed in frame 1,
The magnetic key operated lock 17 is connected by electric wire with power switch;
The adhesive component includes adhesive plate 18, and adhesive plate 18 is arranged at the lower section of magnetic key operated lock 17, and is left between magnetic key operated lock 17
Gap, the gap between the adhesive plate 18 and magnetic key operated lock 17 is 0.1-0.3 mm;Suit is provided centrally with adhesive plate 18
The centre bore 24 of rotating shaft 8, the diameter of the centre bore 24 is identical with the through-hole diameter at the center of magnetic key operated lock 17, and it is straight to be all higher than rotating shaft
Footpath, the external diameter of adhesive plate 18 is also identical with the external diameter of magnetic key operated lock 17, so sets and is easy to the suction of magnetic key operated lock during the two adhesive to reach
It is maximum;Provided with the ring flange 20 being enclosed in rotating shaft 8 below adhesive plate 18, the ring flange 20 is fixed on rotating shaft by flat key 21
On, elastic component 19 is provided between adhesive plate 18 and ring flange 20, elastic component 19 can select spring leaf or spring, from bullet
During reed, first spring leaf is fixed with adhesive plate by 3-4 annular equally distributed screws, then is uniformly distributed by 3-4 annular
Dormant bolt spring leaf is fixed on ring flange;
Pushing power switch is powered, and adhesive plate 18 is moved up under the magneticaction of magnetic key operated lock, and elastic change occurs for elastic component 19
Shape, adhesive plate 18 and the complete adhesive of magnetic key operated lock 17, fix optometry table table top;During power-off, bullet of the adhesive plate 18 in elastic component 19
Property restoring force under and magnetic key operated lock 17 separate, adhesive plate homing, now optometry table table top can arbitrarily rotate, the device is more square
Just it is, laborsaving, and accurate positioning.
The adjusting part being set in rotating shaft is provided with the part of axle bed 6 and magnetic key operated lock 17, the adjusting part is used to prevent
Rotating shaft axial float, the adjusting part includes the anti-return nut 16 being set in rotating shaft, between anti-return nut 16 and axle bed 6
Sun pad 15 is provided with, the sun pad is by spline housing in rotating shaft.
The position-limit mechanism for limiting the rotational angle of rotating shaft 8 is provided with the top of axle bed 6, the position-limit mechanism includes being arranged on axle
Stopper slot 26 on 6 upper surfaces of seat, is provided with the limited post 7 being engaged with stopper slot 26 on the shaft shoulder of rotating shaft 8;The stopper slot
26 are set to scalloped recess, and the number of degrees of the scalloped recess are set to 85 ° -95 °, preferably 90 °.Optometry table table top 2 turns with rotating shaft
Limited post is against the one end of scalloped recess during to by face of optometry person, and this position is set to working position;After optometry terminates, optometry table
Table top is rotated away from by optometry person, and limited post is against the other end of scalloped recess, and this position is set to idle position.
The detent mechanism positioned when countershaft 8 reaches 26 both ends of scalloped recess is provided with the middle part of axle bed 6, it is described
Detent mechanism includes being arranged on detent 27 corresponding with the both ends of scalloped recess 26 on the wall body of rotating shaft 8, and is arranged on
Positioning through hole 10 on the side wall of axle bed 6, is provided with locating piece 11 in positioning through hole 10, is provided with and press against in the outside of locating piece 11
Locating piece is against the spring leaf 12 of the wall body of rotating shaft 8, and the two ends of spring leaf 12 are fixed on the wall body of axle bed 6.Described positioning is led to
Hole is provided with two, in vertical array, and a locating piece is installed in each positioning through hole, and corresponding detent is set to vertical length
Bar shaped, so design make optometry table table top more accurate positioning.In addition, turn that locating piece is passed through between two detents 27
Axial wall body is provided with transition face 28, and the transition face is the arc surface that radius is less than shaft radius, prevents locating piece 11 fixed from one
Position groove makes the spring leaf 12 being pressed on locating piece 11 be followed the string because stress is excessive when being slided to another detent;It is fixed
Position block 11 is set to arc surface with the bottom surface 13 that the wall body of rotating shaft 8 is in contact, in order to which locating piece 11 can be suitable when rotating shaft 8 rotates
Profit is skidded off out of a detent and slipped into by transition face in another detent.
Cam plate 22 is installed in the bottom of rotating shaft 8, the stroke corresponding with the position of Cam plate 22 is provided with frame 1
Switch 23, is provided with the socket being connected with travel switch 23 on optometry table table top 2, when optometry table table top 2 is in working position,
The crowning of Cam plate 22 is pressed on travel switch, and now socket is in "on" position, can be to be placed on optometry table table top
Other optometry equipments power supply is provided, once optometry table table top leaves working position, the projection of Cam plate is with axis of rotation and stroke
Switch is no longer contacted, and the socket on optometry table table top is in off-position.The utilitarian design, conveniently, safely.
Claims (10)
1. a kind of comprehensive optometry platform table top fixing device, it is characterised in that including:
Frame, for supporting optometry table table top;
Rotating mechanism, including the transverse arm above frame is arranged on, optometry table table top is slidably mounted on transverse arm by guide rail, in horizontal stroke
Arm one end is vertically connected with rotating shaft, and the axle bed being engaged with rotating shaft is provided with frame, and the rotating shaft passes through axis of rolling bearing sleeve
In axle bed, sliding bearing is provided between the shaft shoulder of rotating shaft and axle bed upper surface;
Locking device, including the magnetic key operated lock below axle bed is arranged concentrically on, the magnetic key operated lock is arranged in frame, in magnetic key operated lock
The through hole of package packing rotating shaft is provided with the heart, rotating shaft passes through the through hole from top to bottom, is arranged with and is inhaled with magnetic key operated lock in rotating shaft bottom
The adhesive component for closing or separating, is provided with power switch, the magnetic key operated lock is connected by electric wire with power switch in frame.
2. a kind of comprehensive optometry platform table top fixing device according to claim 1, it is characterised in that:The adhesive component bag
The adhesive plate being set in rotating shaft is included, the adhesive plate is placed in below magnetic key operated lock, and leaves gap between magnetic key operated lock, in adhesive
Provided with the ring flange being enclosed in rotating shaft below plate, the ring flange is fixed in rotating shaft by flat key, in adhesive plate and ring flange
Between be provided with elastic component, the elastic component is connected with adhesive plate and ring flange respectively by fastener;The adhesive plate and magnetic
Gap between power lock is preferably 0.1-0.3 mm.
3. a kind of comprehensive optometry platform table top fixing device according to claim 1, it is characterised in that:In axle bed and magnetic key operated lock
Part be provided with and be set in adjusting part in rotating shaft, the adjusting part is used to prevent rotating shaft axial float.
4. a kind of comprehensive optometry platform table top fixing device according to claim 3, it is characterised in that:The adjusting part bag
The anti-return nut being set in rotating shaft is included, sun pad is provided between anti-return nut and axle bed, the sun pad passes through
Spline housing is in rotating shaft.
5. a kind of comprehensive optometry platform table top fixing device according to claim 1, it is characterised in that:Set on axle bed top
There is the position-limit mechanism for limiting axis of rotation angle.
6. a kind of comprehensive optometry platform table top fixing device according to claim 5, it is characterised in that:The position-limit mechanism bag
The stopper slot being arranged on axle bed upper surface is included, the limited post being engaged with stopper slot is provided with the rotating shaft shaft shoulder.
7. a kind of comprehensive optometry platform table top fixing device according to claim 6, it is characterised in that:The stopper slot is set
For scalloped recess, the number of degrees of the scalloped recess are set to 85 ° -95 °.
8. a kind of comprehensive optometry platform table top fixing device according to claim 7, it is characterised in that:Set in the middle part of axle bed
There is the detent mechanism that countershaft is positioned when reaching scalloped recess both ends.
9. a kind of comprehensive optometry platform table top fixing device according to claim 8, it is characterised in that:The detent mechanism bag
Include and be arranged on detent corresponding with scalloped recess both ends on rotating shaft wall body, and the positioning being arranged on the wall of axle bed side
Through hole, is provided with locating piece in positioning through hole, and the spring that press against locating piece against rotating shaft wall body is provided with the outside of locating piece
Piece, the spring leaf two ends are fixed on axle bed wall body.
10. a kind of comprehensive optometry platform table top fixing device according to claim 1, it is characterised in that:In rotating shaft bottom peace
Equipped with Cam plate, the travel switch corresponding with Cam plate position is provided with frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710669055.5A CN107212848A (en) | 2017-08-08 | 2017-08-08 | Comprehensive optometry platform table top fixing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710669055.5A CN107212848A (en) | 2017-08-08 | 2017-08-08 | Comprehensive optometry platform table top fixing device |
Publications (1)
Publication Number | Publication Date |
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CN107212848A true CN107212848A (en) | 2017-09-29 |
Family
ID=59955019
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CN201710669055.5A Pending CN107212848A (en) | 2017-08-08 | 2017-08-08 | Comprehensive optometry platform table top fixing device |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004089327A (en) * | 2002-08-30 | 2004-03-25 | Topcon Corp | Optical bench for mounting optometer |
CN2897149Y (en) * | 2006-03-29 | 2007-05-09 | 杭州通驰机电有限公司 | Comprehensive eye checking table |
CN201481566U (en) * | 2009-09-14 | 2010-05-26 | 上海雄博精密仪器股份有限公司 | Rotary compound table |
CN203314989U (en) * | 2013-07-03 | 2013-12-04 | 上海中科再启医疗设备有限公司 | Head positioning device for medical X-ray machine |
CN204318717U (en) * | 2014-10-27 | 2015-05-13 | 宁波明星科技发展有限公司 | A kind of combination optometry table desktop mechanism |
CN208709852U (en) * | 2017-08-08 | 2019-04-09 | 连云港天诺光学仪器有限公司 | A kind of fixed device of comprehensive optometry platform table top |
-
2017
- 2017-08-08 CN CN201710669055.5A patent/CN107212848A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004089327A (en) * | 2002-08-30 | 2004-03-25 | Topcon Corp | Optical bench for mounting optometer |
CN2897149Y (en) * | 2006-03-29 | 2007-05-09 | 杭州通驰机电有限公司 | Comprehensive eye checking table |
CN201481566U (en) * | 2009-09-14 | 2010-05-26 | 上海雄博精密仪器股份有限公司 | Rotary compound table |
CN203314989U (en) * | 2013-07-03 | 2013-12-04 | 上海中科再启医疗设备有限公司 | Head positioning device for medical X-ray machine |
CN204318717U (en) * | 2014-10-27 | 2015-05-13 | 宁波明星科技发展有限公司 | A kind of combination optometry table desktop mechanism |
CN208709852U (en) * | 2017-08-08 | 2019-04-09 | 连云港天诺光学仪器有限公司 | A kind of fixed device of comprehensive optometry platform table top |
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PB01 | Publication | ||
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RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170929 |