CN208447560U - A kind of human eye diopter detection device - Google Patents
A kind of human eye diopter detection device Download PDFInfo
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- CN208447560U CN208447560U CN201721166124.2U CN201721166124U CN208447560U CN 208447560 U CN208447560 U CN 208447560U CN 201721166124 U CN201721166124 U CN 201721166124U CN 208447560 U CN208447560 U CN 208447560U
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Abstract
The utility model provides a kind of human eye diopter detection device, including optometry cylinder.Optometry cylinder includes eyepiece stalk, objective tube, and one end of objective tube is sheathed on one end of eyepiece.Pillar is provided on the outer surface of one end that eyepiece stalk is connected with object lens.One end inner surface that objective tube is connected with eyepiece stalk is provided with the spiral shape strip groove of extension, and pillar is located in strip groove.Objective tube is rotated, strip groove is opposite along pillar, while driving objective tube to be moved forward and backward relative to eyepiece stalk and focusing.When eye person sees that objective tube is clearly imaged from eyepiece stalk, so that it may measure the eyeglass lens power of optometry person.This human eye diopter detection device, easy to operate, measurement quickly, is also convenient for carrying, and hospital and family is suitble to use.
Description
Technical field
The utility model relates to a kind of human eye optometry technology, more particularly to a kind of human eye diopter detection is set
It is standby.
Background technique
With the continuous development of science and technology, various electronic products such as mobile phone, computer, IPad's etc. is continuous universal, with
And the age of user is smaller and smaller, people protect the consciousness of eyes also more indifferent, due to excessively using eye, cause eyeball prominent
Out, visual impairment, near-sighted problem are more and more.Wearing glasses is the current main path for solving myopia, and optometry is then matched
The basic reference of glasses.When general inspection eyesight, using continuous replacement eyeglass, choose until for optometry person to suitable mirror
Until piece, to determine the degree of eyesight, the checking process time is long, and checks and also not enough facilitate.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of detections of human eye diopter to set
Standby, one end slip of objective tube is set on one end of eyepiece stalk, and objective tube can rotate front and back simultaneously relative to eyepiece stalk and move
It is dynamic, the position of focusing is adjusted, after human eye sees that objective tube one end is clearly imaged by eyepiece stalk, corresponding scale value is just
It is the eyes degree of patient.The detection optometry equipment of this structure is easy to operate quickly, without on one side while replacement eyeglass
Optometry.
To achieve the above object, the utility model provides following technical solution:
A kind of human eye diopter detection device, including optometry cylinder, the optometry cylinder include eyepiece stalk, objective tube；
Pillar, the objective tube inner periphery are provided on the outer surface of one end that the eyepiece stalk is connected with the objective tube
On be provided with strip groove, the strip groove is an extensions helix, and along the extension of objective tube length direction, the pillar is located at institute
It states in strip groove, when the objective tube rotates, the strip groove is moved along the position of the pillar, and drives the objective tube
Forward or move backward focusing.
As an embodiment, the optometry cylinder further includes dial drum and support cylinder, and the support cylinder is set in institute
It states on eyepiece stalk, and there are the distance being moved forward and backward for the objective tube, the surfaces of the support cylinder between the objective tube
Dial drum surface perimeter described in arrow mark is provided with scale, one end fixation of the dial drum is set in the objective tube
On, other end slip is set in one end of the support cylinder, and when rotating objective tube focusing, the scale rotates together,
The value of corresponding scale can be read by the direction of the arrow mark.
As an embodiment, the first lens, image rotation prism and aperture, the image rotation are provided in the objective tube
Prism is transparent cylindrical, the port position of one end positioned at the objective tube far from eyepiece stalk, and first lens are convex lens
Mirror is set to behind the image rotation prism, and the aperture is set to behind first lens, and the eyepiece stalk is separate
One end of the objective tube is provided with the second lens, and second lens are convex lens.
As an embodiment, the meter full scale is from 0 degree to 1000 degree, and each lattice of scale are 25 degree.
It as an embodiment, further include bracket, the bracket is equipped with upper joint face, and the upper joint face is located at
One end lower surface backwards to the dial drum of the upper end of the bracket, the support cylinder is provided with seat post, the seat post
It is fixedly connected on the upper joint face.
As an embodiment, the bracket further includes lower joint face, rack leg and pin shaft, the lower joint face position
In the lower section of the upper joint face, the underrun pin shaft of the lower joint face connects 3 rack legs, and the rack leg is logical
Crossing the pin shaft can pack up relative to the setting of lower joint face, when the rack leg is outwardly opened by the pin shaft, under described
The bottom surface edge of joint face is against in the plane of upper top surface of the rack leg.
The beneficial effects of the utility model compared with the prior art lie in:
The utility model provides a kind of human eye diopter detection device, is set in eyepiece stalk by one end of objective tube
One end outer surface of one end, eyepiece stalk connection objective tube is provided with a pillar, and objective tube connects one end inner surface of eyepiece stalk
It is provided with the helical form strip groove extended along objective tube length direction, pillar is located in strip groove, strip groove when objective tube rotates
It is moved along the position of pillar, and drives objective tube to be moved forward and backward relative to eyepiece stalk and focus, so that it may measure the eyes of patient
Degree.The detection optometry of this structure is easy to operate, and measurement myopia degree is time saving and energy saving, does not have to one time one time replacement eyeglass.
Detailed description of the invention
Fig. 1 is a kind of optometry cylinder perspective view for human eye diopter detection device that an embodiment of the present invention provides；
Fig. 2 is a kind of optometry cylinder internal structure for human eye diopter detection device that another embodiment of the utility model provides
Perspective view and partial enlarged view；
Fig. 3 is a kind of section of the optometry cylinder for human eye diopter detection device that another embodiment of the utility model provides
Figure；
Fig. 4 is a kind of solid of the dial drum for human eye diopter detection device that the utility model another embodiment provides
Figure；
A kind of bracket for human eye diopter detection device that Fig. 5 provides for another embodiment of the utility model is accepted and office
Portion's amplification stereogram；
Fig. 6 is that a kind of bracket for human eye diopter detection device that another embodiment of the utility model provides struts stand
Body figure.
In figure: 1, optometry cylinder；11, eyepiece stalk；111, pillar；112, the second lens；12, objective tube；121, strip groove；
122, the first lens；123, image rotation prism；124, aperture；13, dial drum；131, scale；14, support cylinder；141, arrow mark；
142, seat post；2, bracket；21, upper joint face；22, lower joint face；23, rack leg；231, upper top surface；24, pin shaft.
Specific embodiment
Below in conjunction with attached drawing, the technical characteristic and advantage above-mentioned and other to the present invention are clearly and completely described,
Obviously, described embodiment is only section Example of the invention, rather than whole embodiments.
Referring to Figures 1 and 2, a kind of perspective view of the optometry cylinder 1 of human eye diopter detection device is present embodiments provided.It tests
Light is to check the incident retrobulbar aggregation situation of light, it is measured between eye subject and emmetropia using emmetropia state as standard
Poly- scattered difference degree, can be corrected defects of vision by eyes.In the present embodiment, optometry cylinder 1 include eyepiece stalk 11, objective tube 12,
Support cylinder 14 and dial drum 13, support cylinder 14 is sheathed on eyepiece stalk 11 as seen from the figure, and dial drum 13 is set in 12 He of objective tube
On support cylinder 14, objective tube 12 also exposes a part outside after being covered by dial drum 13.After support cylinder 14 is covered by dial drum 13
Also expose a part outside, the lower end of a part that support cylinder 14 exposes is provided with seat post 142.On the excircle of dial drum 13
With for indicating the scale 131 of eyeglass lens power.One end of dial drum 13 is fixedly connected with objective tube 12, the other end of dial drum
It is set on support cylinder 14, and can be moved on support cylinder 14.One end of objective tube 12 is set on eyepiece stalk 11, eyepiece stalk
11 and the surface of one end that connects of objective tube 12 be provided with a pillar 111, one end that objective tube 12 and eyepiece stalk 11 connect is set
It is equipped with a penetrating strip groove 121, strip groove 121 is an oblique line relative to the circumference of objective tube 12, and pillar 111 is fastened on
In strip groove 121.The objective tube 12 being fixedly connected when rotating scale cylinder 13 with one end of dial drum 13 is also driven to rotate,
Pillar 111 relatively moves in strip groove 121, oblique line when due to strip groove 121, so objective tube 12 is when rotation
It is corresponding when people sees that 12 one end of objective tube is clearly imaged from eyepiece stalk 11 also relative to can be moved before and after eyepiece stalk 11
Scale value be exactly patient myopia degree.Optometry speed in this way is efficient and convenient, has abandoned traditional optometry and has needed one time one time
Spectacle lens are replaced to have an eyesight test.
Referring to Fig. 3, a kind of sectional view of the optometry cylinder 1 of human eye diopter detection device is present embodiments provided.It can by figure
See, the second lens 112 are provided in eyepiece stalk 11, the first lens 122, image rotation prism 123 and aperture are provided in objective tube 12
124.Image rotation prism 123 is set to the end position of the one end of objective tube 12 far from eyepiece stalk 11, and the first lens 122, which are set to, to be turned
As the position between prism 123 and aperture 124.Second lens 112, the first lens 122, image rotation prism 123 and aperture 124 are located at
On same central axis.For external scenery to be inverted, the imaging after inversion passes through after the first lens 122 again image rotation prism 123
Secondary to be squeezed, after secondary inversion, imaging is then restored to upright posture.Image rotation prism 123 is the saturating of a both ends protrusion
Bright glass cylinder, external parallel light are collapsed and are inverted when passing through the protrusion of one end of image rotation prism 123, then by turning
As another protrusion of prism 123 section after projected in parallel to the first lens 122, the first lens 122 are convex lens, by turning
Type prism 123 be inverted after light ray parallel be mapped on the first lens 122 after, parallel light again collapse, and focus with
Outer inversion restores upright state by secondary inverted external scenery again.Aperture 124 is for limiting the more of passed through light
It is few.Second lens 112 of eyepiece stalk 11 are that convex lens collapses light after the second lens 112 receive the imaging of objective tube 12
It is emitted on human eye.If the eyeball of human eye excessively protrudes, light will be sent to before retina rather than on retina, this
Can be with rotating scale cylinder 13 when a, while the first lens 122, image rotation prism 123 and the aperture 124 in objective tube 12 revolve simultaneously
Turn, objective tube 12 is also to the direction shift position of eyepiece stalk 11 when rotation, and human eye is it is seen that clearly image.
At this moment, dial drum 13 rotates and corresponds to the value of corresponding scale 131.The both ends of image rotation prism 123 are more compared to the first lens 122
It is some for protrusion, so image rotation prism 123 is set at the port position of objective tube 12, rather than the first lens 122 are set
Set the port position in objective tube 12, the optical path source that more image rotation prism of protrusion can be bigger with receptor area in this way, human eye
It is seen that larger range of imaging, and will more amplify when human eye sees the imaging of objective tube, more clearly
It is clear.
Referring to Fig. 4, a kind of solid of the dial drum 13 of the optometry cylinder l of human eye diopter detection device is present embodiments provided
The figure of figure and scale value.As seen from the figure by Fig. 4 a, scale 131 is had on the excircle of dial drum 13, for indicating eyes
Myopia degree.One end of dial drum 13 is set in one end of support cylinder 14, and can the movement of relative seat cylinder 14.Have on support cylinder 14
The arrow mark 141 of one triangle, when optometry, rotating scale cylinder, as patient it will be clear that when image,
The value of the position of the corresponding arrow mark 141 of scale 131 on dial drum 13 is exactly the myopia degree of human eye.From fig. 4b, it can be seen that carving
For angle value from 0 degree to 1000 degree, each small lattice represent 25 degree, and the exact value of the scale value of country's optometry is 25 degree at present.Scale 131
On scale value be located at the same circumference on lines indicate.Since the mobile centre of pillar 111 and strip groove 121 does not limit
System, so also there is no limit the exact value of scale is 25 degree to the minimum angles of the rotation of dial drum 13, complies with standard wanting for scale
It asks, so measuring an accurate myopia degree value to the eyes of patient enough with this eye cylinder.In addition scale 131
It can be indicated with diopter, the effect of eyes refracted light is complained about being wronged light, and the ability of dioptric is indicated with focal power, is called dioptric
Degree, the inverse of focal length are called power of lens or diopter.Diopter can mutually convert with eyeglass lens power.
Referring to figure 5 and figure 6, the bracket 2 for present embodiments providing a kind of human eye diopter detection device is accepted or is supportted
Three-dimensional view when opening, as seen from the figure, 14 lower end of support cylinder of optometry cylinder 1 are provided with seat post 142, and seat post 142 is connected to
On the upper joint face 21 of bracket 2, the bottom surface of the lower joint face 22 of bracket 2 and rack leg 23 pass through the movable connection of pin shaft 24.Make
The rack leg 23 for obtaining bracket 2 can strut to come or accept when not in use.The lower end surface of bracket 2 be provided with one it is with holes
Connecting column, the top of rack leg 23 are also equipped with connecting column with holes, are connected among two connecting columns by pin shaft 24, rack leg
23 when strut, and the edge of the bottom surface of the lower joint face 22 of bracket 2 is stuck in the plane on the upper top surface 231 of rack leg 23
On, rack leg 23 can be kept to strut motionless state.It is this freely to pack up or distracted rack leg 23, in needs
When can take out and strut the rack leg 23 of bracket 2 and to give patient's optometry, when not in use can be by the rack leg 23 of bracket 2
It accepts, other places for needing eye, such as household etc. can also be carried to.Optometry is quick, easy to use.In addition bracket 2
Can make optometry cylinder 1 when optometry in stable state, and keep horizontal, make one it can be seen that front at
Picture more accurately measures the degree of eyes.
Above specific embodiment has carried out further the purpose of this utility model, technical scheme and beneficial effects
It is described in detail, it should be understood that the above is only specific embodiments of the present invention, the protection model that is not intended to limit the present invention
It encloses.It particularly points out, to those skilled in the art, within the spirit and principle of the utility model, that is done is any
Modification, equivalent replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of human eye diopter detection device, including optometry cylinder (1), it is characterised in that: the optometry cylinder (1) includes eyepiece stalk
(11), pillar is provided on the outer surface of one end of objective tube (12), the eyepiece stalk (11) and the objective tube (12) connection
(111), it is provided with strip groove (121) on objective tube (12) inner periphery, the strip groove (121) is an extension spiral
Line extends along objective tube (12) length direction, and the pillar (111) is located in the strip groove (121), the objective tube (12)
When rotation, the strip groove (121) is mobile along the position of the pillar (111), and drive the objective tube (12) forward or
Person moves backward focusing.
2. a kind of human eye diopter detection device according to claim 1, it is characterised in that: the optometry cylinder (1) is also wrapped
Include dial drum (13) and support cylinder (14), the support cylinder (14) is set on the eyepiece stalk (11), and with the objective tube
(12) there are the distance being moved forward and backward for the objective tube (12) between, the surface of the support cylinder (14) is provided with arrow mark
(141) dial drum (13) surface perimeter has scale (131), and one end fixation of the dial drum (13) is set in the object
On lens barrel (12), other end slip is set in one end of the support cylinder (14), when rotating the objective tube (12) focusing, institute
It states scale (131) to rotate together, the value of corresponding scale (131) can be read by the direction of the arrow mark (141).
3. a kind of human eye diopter detection device according to claim 1, it is characterised in that: set in the objective tube (12)
It is equipped with the first lens (122), image rotation prism (123) and aperture (124), the image rotation prism (123) is transparent cylindrical, is located at
The port position of the one end of the objective tube (12) far from eyepiece stalk (11), first lens (122) are convex lens, are set to
Behind the image rotation prism (123), the aperture (124) is set to behind first lens (122), the eyepiece stalk
(11) it is provided with the second lens (112) in one end far from the objective tube (12), second lens (112) are convex lens.
4. a kind of human eye diopter detection device according to claim 2, it is characterised in that: scale (131) range
It is 0 degree to 1000 degree, the value of the every lattice of the scale (131) is 25 degree.
5. a kind of human eye diopter detection device according to claim 2, it is characterised in that: it further include bracket (2), it is described
Bracket (2) is equipped with upper joint face (21), and the upper joint face (21) is located at the upper end of the bracket (2), the support cylinder
(14) one end lower surface backwards to the dial drum (13) is provided with seat post (142), and the seat post (142) is fixedly connected
On the upper joint face (21).
6. a kind of human eye diopter detection device according to claim 5, it is characterised in that: the bracket (2) further includes
Lower joint face (22), rack leg (23) and pin shaft (24), the lower joint face (22) are located at the lower section of the upper joint face (21),
The underrun pin shaft (24) of the lower joint face (22) connects 3 rack legs (23), and the rack leg (23) passes through institute
Stating pin shaft (24) can pack up relative to lower joint face (22) setting, and the rack leg (23) is beaten outward by the pin shaft (24)
When opening, the bottom surface edge of the lower joint face (22) is against in the plane of upper top surface (231) of the rack leg (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721166124.2U CN208447560U (en) | 2017-09-12 | 2017-09-12 | A kind of human eye diopter detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721166124.2U CN208447560U (en) | 2017-09-12 | 2017-09-12 | A kind of human eye diopter detection device |
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| Publication Number | Publication Date |
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| CN208447560U true CN208447560U (en) | 2019-02-01 |
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| CN201721166124.2U Active CN208447560U (en) | 2017-09-12 | 2017-09-12 | A kind of human eye diopter detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112914495A (en) * | 2021-03-09 | 2021-06-08 | 浙江爱视博医疗科技有限公司 | Portable handheld vision detector |
-
2017
- 2017-09-12 CN CN201721166124.2U patent/CN208447560U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112914495A (en) * | 2021-03-09 | 2021-06-08 | 浙江爱视博医疗科技有限公司 | Portable handheld vision detector |
| CN112914495B (en) * | 2021-03-09 | 2024-02-02 | 浙江爱视博医疗科技有限公司 | Portable handheld vision detector |
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