CN208709852U - A kind of fixed device of comprehensive optometry platform table top - Google Patents
A kind of fixed device of comprehensive optometry platform table top Download PDFInfo
- Publication number
- CN208709852U CN208709852U CN201720980635.1U CN201720980635U CN208709852U CN 208709852 U CN208709852 U CN 208709852U CN 201720980635 U CN201720980635 U CN 201720980635U CN 208709852 U CN208709852 U CN 208709852U
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- shaft
- table top
- axle bed
- key operated
- operated lock
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Abstract
The utility model is a kind of fixed device of comprehensive optometry platform table top, including rack, the rotating mechanism for driving optometry table table top to rotate and for the locking device of fixed rotating shaft, rotating mechanism includes the transverse arm for the side of being arranged on the rack, optometry table table top is slidably mounted on transverse arm by guide rail, transverse arm one end is vertically connected with shaft, the axle bed matched with shaft is installed on the rack, shaft is by bearing holder (housing, cover) in axle bed；Locking device includes the magnetic key operated lock being arranged concentrically below axle bed, and the magnetic key operated lock is mounted on the rack, and the through-hole of package packing rotating shaft is provided on magnetic key operated lock, and shaft passes through the through-hole, the actuation plate matched with magnetic key operated lock is arranged in shaft lower end.The utility model keeps optometry table table top arbitrarily fixed in slewing area by the way that structure of magnetic lock is arranged, and structure is simple, registration, easy to operate, time saving and energy saving.
Description
Technical field
The utility model relates to a kind of comprehensive optometry platform, especially a kind of fixed device of comprehensive optometry platform table top.
Background technique
The fixed form of existing comprehensive optometry platform table top is one annular anchor ear of installation in shaft, is installed in anchor ear one end
There is the handle of the release of control anchor ear or banding, optometry personnel, which pull handle when needing to rotate optometry table table top, unclamps anchor ear, needs
Wanting to pull handle when fixed mesa again makes anchor ear banding.This fixing means has following inconvenience: first is that optometry personnel use
When to pull handle more laborious, use is not convenient enough；Second is that cannot be arbitrarily fixed in slewing area by optometry table table top, it is unfavorable
The accidental situation being likely to occur is coped with when actually using comprehensive optometry platform in client.
Summary of the invention
The technical problems to be solved in the utility model is in view of the deficiencies of the prior art, to propose a kind of comprehensive optometry platform table top
Fixed device.
The technical problems to be solved in the utility model is achieved through the following technical solutions.The utility model is a kind of comprehensive
The fixed device of optometry table table top is closed, its main feature is that, comprising: rack is used to support optometry table table top；Rotating mechanism, including setting
Square transverse arm, optometry table table top are slidably mounted on transverse arm by guide rail on the rack, are vertically connected with shaft in transverse arm one end,
The axle bed matched with shaft is installed on the rack, the shaft is sleeved in axle bed by rolling bearing, in the axis of shaft
Sliding bearing is provided between shoulder and axle bed upper surface；Locking device, it is described including the magnetic key operated lock being arranged concentrically below axle bed
Magnetic key operated lock is mounted on the rack, and the through-hole of package packing rotating shaft is provided at magnetic key operated lock center, and shaft passes through the through-hole from top to bottom,
Shaft lower end be arranged with magnetic key operated lock be attracted or isolated actuation component, power switch, the magnetic are installed on the rack
Power lock is connect by electric wire with power switch.
In a kind of fixed device technique scheme of comprehensive optometry platform table top of the utility model, further preferred technical solution is special
Sign is: the actuation component includes the actuation plate being set in shaft, and the actuation plate is placed in below magnetic key operated lock, and and magnetic key operated lock
Between there are gap, cover the ring flange in shaft being attracted to be equipped with below plate, the ring flange is fixed on shaft by flat key
On, be provided with elastic component being attracted between plate and ring flange, the elastic component by fastener respectively be attracted plate and ring flange
Connection；The gap being attracted between plate and magnetic key operated lock is preferably 0.1-0.3 mm.
In a kind of fixed device technique scheme of comprehensive optometry platform table top of the utility model, further preferred technical solution is special
Sign is: the adjusting component being set in shaft is equipped in the part of axle bed and magnetic key operated lock, the adjusting component is for preventing shaft axis
To play.
In a kind of fixed device technique scheme of comprehensive optometry platform table top of the utility model, further preferred technical solution is special
Sign is: the adjusting component includes the anti-return nut being set in shaft, and sun pad is provided between anti-return nut and axle bed
Piece, the sun gasket is by spline housing in shaft.
In a kind of fixed device technique scheme of comprehensive optometry platform table top of the utility model, further preferred technical solution is special
Sign is: the position-limit mechanism for limiting shaft rotational angle is provided on axle bed top.
In a kind of fixed device technique scheme of comprehensive optometry platform table top of the utility model, further preferred technical solution is special
Sign is: the position-limit mechanism includes the limiting slot being arranged on axle bed upper surface, is provided on the shaft shaft shoulder and limiting slot phase
The limited post of cooperation.
In a kind of fixed device technique scheme of comprehensive optometry platform table top of the utility model, further preferred technical solution is special
Sign is: the limiting slot is set as scalloped recess, and the degree of the scalloped recess is set as 85 ° -95 °.
In a kind of fixed device technique scheme of comprehensive optometry platform table top of the utility model, further preferred technical solution is special
Sign is: the positioning mechanism positioned when reaching scalloped recess both ends to shaft is provided in the middle part of axle bed.
In a kind of fixed device technique scheme of comprehensive optometry platform table top of the utility model, further preferred technical solution is special
Sign is: the positioning mechanism includes that positioning groove corresponding with scalloped recess both ends, Yi Jishe is arranged on shaft wall body
The positioning through hole on axle bed side wall is set, locating piece is installed in positioning through hole, is provided on the outside of locating piece and is pressing against positioning
Against the spring leaf of shaft wall body, the spring leaf both ends are fixed on axle bed wall body block.
In a kind of fixed device technique scheme of comprehensive optometry platform table top of the utility model, further preferred technical solution is special
Sign is: being equipped with Cam plate in shaft bottom, is provided with travel switch corresponding with Cam plate position on the rack.
Compared with prior art, the rotating mechanism that the utility model is connect by setting with optometry table table top, makes optometry table
Axis arbitrarily rotates table top around the shaft；Setting structure of magnetic lock consolidates optometry table table top when turning to required position to it
Fixed, user of service, which need to only control the power switch being connected with magnetic key operated lock, to be fixed on any angle for optometry table table top；If
It sets and adjusts component for preventing shaft from having axial float；Setting position-limit mechanism is used to limit shaft and turns within the scope of certain angle
It is positioned when moving, and turning to both ends position to shaft by positioning mechanism.The utility model structure with it is existing in the market
The advantages that positioning method of optometry table table top is compared, and has registration, easy to operate, time saving and energy saving.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 indicates the partial structure sectional view of Fig. 1.
Fig. 3 indicates the cross-sectional view at I-I place in Fig. 2.
Specific embodiment
Referring to the drawings, the specific technical solution of the utility model is further described, in order to those skilled in the art
Member is further understood that the utility model, without constituting the limitation to its right.
Specific embodiment, referring to Fig.1-Fig. 3, a kind of fixed device of comprehensive optometry platform table top, including rack 1, rotating mechanism 4
With locking device 5, the rack 1 is used to support optometry table table top 2, and rotating mechanism includes the transverse arm 3 for the side of being arranged on the rack, and tests
Light table table top 2 is slidably mounted on transverse arm 3 by guide rail, is vertically connected with shaft 8 in 3 one end of transverse arm, is equipped on the rack
The axle bed 6 matched with shaft, the shaft is sleeved in axle bed by two groups of rolling bearings 14, in the shaft shoulder and axle bed of shaft
Sliding bearing 9 is provided between upper surface；
The locking device includes the magnetic key operated lock 17 for being arranged concentrically on 6 lower section of axle bed, and the magnetic key operated lock 17 is mounted on rack 1
On, in the through-hole 25 for being provided centrally with package packing rotating shaft of magnetic key operated lock 17, shaft 8 sequentially passes through axle bed 6 and above-mentioned from top to bottom
Through-hole 25,6 lower end of shaft be arranged with magnetic key operated lock 17 be attracted or isolated actuation component, power supply is installed in rack 1
Switch, the magnetic key operated lock 17 are connect by electric wire with power switch；
The actuation component includes being attracted plate 18, is attracted plate 18 and is set to 17 lower section of magnetic key operated lock, and between magnetic key operated lock 17
There are gap, the gap being attracted between plate 18 and magnetic key operated lock 17 is 0.1-0.3 mm；It is being attracted being provided centrally with for plate 18
The diameter of the centre bore 24 of package packing rotating shaft 8, the centre bore 24 is identical as the through-hole diameter at 17 center of magnetic key operated lock, and is all larger than shaft
Diameter, outer diameter and 17 outer diameter of magnetic key operated lock for being attracted plate 18 are also identical, and the suction of magnetic key operated lock reaches when setting is attracted in this way convenient for the two
To maximum；The ring flange 20 in shaft 8 is covered being attracted to be equipped with below plate 18, the ring flange 20 is fixed on by flat key 21 to be turned
On axis, it is provided with elastic component 19 being attracted between plate 18 and ring flange 20, elastic component 19 can select spring leaf or spring, select
When spring leaf, first spring leaf is fixed with plate is attracted by 3-4 annular equally distributed screw, then by uniform point of 3-4 annular
Spring leaf is fixed on ring flange by the dormant bolt of cloth；
Pushing power switch is powered, and is attracted plate 18 and moves up under the magneticaction of magnetic key operated lock, bullet occurs for elastic component 19
Property deformation, be attracted plate 18 and magnetic key operated lock 17 is attracted completely, fixes optometry table table top；When power-off, plate 18 is attracted in elastic component 19
Elastic restoring force under and magnetic key operated lock 17 separate, be attracted plate homing, optometry table table top can be rotated arbitrarily at this time, the device
It is more convenient, laborsaving, and accurate positioning.
The adjusting component being set in shaft is equipped in the part of axle bed 6 and magnetic key operated lock 17, the adjusting component is for preventing
Shaft axial float, the adjusting component includes the anti-return nut 16 being set in shaft, between anti-return nut 16 and axle bed 6
It is provided with sun gasket 15, the sun gasket is by spline housing in shaft.
The position-limit mechanism for limiting 8 rotational angle of shaft is provided on 6 top of axle bed, the position-limit mechanism includes being arranged in axis
Limiting slot 26 on 6 upper surfaces of seat, is provided with the limited post 7 matched with limiting slot 26 on 8 shaft shoulder of shaft；The limiting slot
26 are set as scalloped recess, and the degree of the scalloped recess is set as 85 ° -95 °, preferably 90 °.Optometry table table top 2 turns with shaft
Limited post is against the one end of scalloped recess when to by face of optometry person, this position is set as working position；After optometry, optometry table
Far from by optometry person, limited post is against the other end of scalloped recess for table top rotation, this position is set as idle position.
The positioning mechanism positioned when reaching 26 both ends of scalloped recess to shaft 8 is provided in the middle part of axle bed 6, it is described
Positioning mechanism includes positioning groove 27 corresponding with 26 both ends of scalloped recess being arranged on 8 wall body of shaft, and setting exists
Positioning through hole 10 on 6 side wall of axle bed, is equipped with locating piece 11 in positioning through hole 10, is provided with and is pressing against on the outside of locating piece 11
Against the spring leaf 12 of 8 wall body of shaft, 12 both ends of spring leaf are fixed on 6 wall body of axle bed locating piece.The positioning is logical
There are two hole is set, it is in vertical array, a locating piece is installed in each positioning through hole, corresponding positioning groove is set as vertical length
Bar shaped, in this way design make optometry table table top more accurate positioning.In addition, turn that locating piece is passed through between two positioning grooves 27
Axial wall body is equipped with transition face 28, which is the arc surface that radius is less than shaft radius, prevents locating piece 11 fixed from one
Position groove makes the spring leaf being pressed on locating piece 11 12 follow the string because stress is excessive when sliding to another positioning groove；It is fixed
The bottom surface 13 that position block 11 is in contact with 8 wall body of shaft is set as arc surface, in order to which locating piece 11 rotates Shi Nengshun in shaft 8
Benefit is skidded off out of a positioning groove and is slid into another positioning groove by transition face.
Cam plate 22 is installed in the bottom of shaft 8, stroke corresponding with 22 position of Cam plate is provided in rack 1
Switch 23 is equipped 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 socket is in energized state at this time, 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 protrusion of Cam plate is with shaft rotation and stroke
Switch no longer contacts, and the socket on optometry table table top is made to be in off-position.The utilitarian design, conveniently, safely.
Claims (11)
1. a kind of fixed device of comprehensive optometry platform table top characterized by comprising
Rack is used to support optometry table table top；
Rotating mechanism, the transverse arm including the side of being arranged on the rack, optometry table table top is slidably mounted on transverse arm by guide rail, in cross
Arm one end is vertically connected with shaft, is equipped with the axle bed matched with shaft on the rack, and the shaft passes through axis of rolling bearing sleeve
In axle bed, sliding bearing is provided between the shaft shoulder and axle bed upper surface of shaft；
Locking device, including the magnetic key operated lock being arranged concentrically below axle bed, the magnetic key operated lock is mounted on the rack, in magnetic key operated lock
The through-hole of package packing rotating shaft is provided at the heart, shaft passes through the through-hole from top to bottom, is arranged in shaft lower end and inhales with magnetic key operated lock
Conjunction or isolated actuation component, are equipped with power switch on the rack, and the magnetic key operated lock is connect by electric wire with power switch.
2. the fixed device of a kind of comprehensive optometry platform table top according to claim 1, it is characterised in that: the actuation component packet
The actuation plate being set in shaft is included, the actuation plate is placed in below magnetic key operated lock, and there are gaps between magnetic key operated lock, are being attracted
It is equipped with below plate and covers the ring flange in shaft, the ring flange is fixed in shaft by flat key, is being attracted plate and ring flange
Between be provided with elastic component, the elastic component by fastener respectively be attracted plate and ring flange is connect.
3. the fixed device of a kind of comprehensive optometry platform table top according to claim 2, between actuation plate and the magnetic key operated lock
Gap is 0.1-0.3 mm.
4. the fixed device of a kind of comprehensive optometry platform table top according to claim 1, it is characterised in that: in axle bed and magnetic key operated lock
Part be equipped with the adjusting component that is set in shaft, the adjustings component is used to prevent shaft axial float.
5. the fixed device of a kind of comprehensive optometry platform table top according to claim 4, it is characterised in that: the adjusting component packet
The anti-return nut being set in shaft is included, sun gasket is provided between anti-return nut and axle bed, the sun gasket passes through
Spline housing is in shaft.
6. the fixed device of a kind of comprehensive optometry platform table top according to claim 1, it is characterised in that: be arranged on axle bed top
There is the position-limit mechanism for limiting shaft rotational angle.
7. the fixed device of a kind of comprehensive optometry platform table top according to claim 6, it is characterised in that: the position-limit mechanism packet
The limiting slot being arranged on axle bed upper surface is included, the limited post matched with limiting slot is provided on the shaft shaft shoulder.
8. the fixed device of a kind of comprehensive optometry platform table top according to claim 7, it is characterised in that: the limiting slot setting
For scalloped recess, the degree of the scalloped recess is set as 85 ° -95 °.
9. the fixed device of a kind of comprehensive optometry platform table top according to claim 8, it is characterised in that: be arranged in the middle part of axle bed
There is the positioning mechanism positioned when reaching scalloped recess both ends to shaft.
10. the fixed device of a kind of comprehensive optometry platform table top according to claim 9, it is characterised in that: the positioning mechanism
Including positioning groove corresponding with scalloped recess both ends is arranged on shaft wall body, and it is arranged on axle bed side wall and determines
Position through-hole, locating piece is equipped in positioning through hole, the bullet for pressing against locating piece against shaft wall body is provided on the outside of locating piece
Reed, the spring leaf both ends are fixed on axle bed wall body.
11. the fixed device of a kind of comprehensive optometry platform table top according to claim 1, it is characterised in that: pacify in shaft bottom
Equipped with Cam plate, it is provided with travel switch corresponding with Cam plate position on the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720980635.1U CN208709852U (en) | 2017-08-08 | 2017-08-08 | A kind of fixed device of comprehensive optometry platform table top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720980635.1U CN208709852U (en) | 2017-08-08 | 2017-08-08 | A kind of fixed device of comprehensive optometry platform table top |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208709852U true CN208709852U (en) | 2019-04-09 |
Family
ID=65967875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720980635.1U Active CN208709852U (en) | 2017-08-08 | 2017-08-08 | A kind of fixed device of comprehensive optometry platform table top |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208709852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107212848A (en) * | 2017-08-08 | 2017-09-29 | 连云港天诺光学仪器有限公司 | Comprehensive optometry platform table top fixing device |
-
2017
- 2017-08-08 CN CN201720980635.1U patent/CN208709852U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107212848A (en) * | 2017-08-08 | 2017-09-29 | 连云港天诺光学仪器有限公司 | Comprehensive optometry platform table top fixing device |
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