CN109864698A - A kind of Portable vision tester - Google Patents
A kind of Portable vision tester Download PDFInfo
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- CN109864698A CN109864698A CN201910271563.7A CN201910271563A CN109864698A CN 109864698 A CN109864698 A CN 109864698A CN 201910271563 A CN201910271563 A CN 201910271563A CN 109864698 A CN109864698 A CN 109864698A
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Abstract
The invention discloses a kind of Portable vision testers, including eyepiece, lens disk, letter case, depressurize ball and whistle, medical staff opens vision tester, the lens in lens disk are aligned with lens barrel by first motor case, and turn on electric light, eyesight testing person observes the alphabetical direction on letter case by eyepiece, after eyesight testing person sees letter direction clearly, pressing correspondence puts upward decompression ball, the air in air bag on decompression ball is extruded, the whistle that the air of extrusion makes to depressurize in ball issues sound, existing eyesight detection, often visual chart is hung on a wall, differentiate the direction of E in visual chart, but this detection method may make eyesight tester that (especially students in middle and primary schools) feel the stress, light environment will affect testing result to the totally uninteresting property of test process simultaneously, the eyesight measured in this way is inaccurate, the present invention makes Test result is more accurate, facilitates medical staff to carry while keeping testing result more accurate.
Description
Technical field
The present invention relates to vision testing devices, and in particular to a kind of Portable vision tester.
Background technique
That visual chart is suspended on wall when testing eyesight now, eyesight testing person station apart from 5 meters of visual chart or so away from
From, one eye is sheltered from, the direction of E word in visual chart is differentiated, then the concrete condition of acquisition eyesight testing person eyesight, however
In actual test, 5 meters of distance more or less has deviation, along with the influence of different moments ambient light, eyesight testing person
It measures eyesight to be inaccurate, visual chart is inconvenient to carry and smooth metope is needed to be hung, while the process pair of test
More uninteresting for many people, often many people carry out eyesight testing simultaneously, and doctor also survey by out of patience careful confirmation eyesight
The eyesight of examination person, when carrying out eyesight testing, the attention of people, which is concentrated mainly on, to be seen clearly on alphabetical direction, in fact it could happen that Fingers
Direction and see the inconsistent situation in direction, somebody is born, and sense of direction is not strong, in the wrong direction may cause test result not
Standard, when children carry out eyesight testing, they are also possible to mismatch the detection of doctor, this just more holds because of not interested test
Easily lead to the inaccuracy of eyesight testing result, it is therefore necessary to design a kind of Portable vision tester.
Summary of the invention
The object of the present invention is to provide a kind of Portable vision testers, to solve the problems, such as to encounter in background technique.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions: a kind of Portable vision tester, including dress
Ontology is set, device noumenon lower part is provided with pedestal, and pedestal left end is provided with intake valve, and intake valve passes through gas tank in pipeline and pedestal
Fixed plate is arranged in connection, pedestal upside left side, decompression ball is provided on the left of fixed plate, decompression ball is by fixing pipe setting in fixation
On plate, gas-separating valve is set, decompression ball is connect by pipeline with gas-separating valve, is connected on the downside of gas-separating valve by pipeline and gas tank in fixed plate
Connect, be provided with layer of silica gel on the outside of decompression ball, layer of silica gel is arranged with air bag, and air bag is connect by pipeline with ring pipe, air bag and
Safety valve is set on the pipeline of ring pipe connection, backing plate is set on the inside of air bag, the 4th support rod, the 4th support are fixed in the middle part of backing plate
Bar is fixed on ring pipe far from backing plate side, and bleeder pipe is arranged on the inside of ring pipe, and bleeder pipe is connect by pipeline with ring pipe,
First motor-driven valve is set on the pipeline that bleeder pipe is connect with ring pipe, and the bleeder pipe other side is connect by pipeline with gas-separating valve, ring
Whistle is also symmetrical arranged on the inside of shape pipe, whistle is connect with collapsible tube respectively, is provided with baffle in the middle part of symmetrically arranged collapsible tube, is received
The draw is connect by pipeline with ring pipe, and the second motor-driven valve is provided on the pipeline that collapsible tube is connect with ring pipe.
Preferably, first support bar is provided on the upside of the pedestal on the right side of fixed plate, mirror is arranged in first support bar upper end
Cylinder, lens barrel left end are arranged eyepiece, first motor case are arranged on the right side of first support bar, the fixed lens of the connecting rod on the right side of first motor case
Disk is arranged second support bar on the pedestal on the right side of lens disk, the second motor housing is arranged on the right side of second support bar, the second motor housing is right
The connecting rod of side fixes letter case, third support rod is arranged on the upside of the pedestal on the right side of second support bar, third supporting bar top is fixed
Handle is arranged by fixed plate in electric light, the connecting rod fixed chute disk on the left of third support rod, pedestal right end.
Preferably, gear is set in the middle part of the letter case, engages gear ring, letter of the gear ring far from gear side on the outside of gear
Several letter boards are uniformly arranged on disk, the letter in letter boards is fixed with spy towards being randomly provided on the letter boards of alphabetical direction
Bar.
Preferably, several fixing grooves are provided on the sliding slot disk, are provided with pressure sensor in fixing groove.
Preferably, gasket is arranged in the feeler lever left end.
Preferably, the layer of silica gel is bionical human body silica gel material.
Beneficial effects of the present invention:
The present invention is by being arranged lens and letter boards instead of traditional test method, while being provided with electric light protects test environment
It is fixed to keep steady, and keeps test result more accurate, while people sees that the letter in which direction just presses the decompression ball in which direction, does not allow
Easily there is problem in the wrong direction in traditional mode, is made a sound using decompression ball replace traditional finger side during the test
To making test process more have enjoyment, while eyesight testing person can carry out decompression by depressurizing ball and loosen, making eyesight testing, person exists
Carry out eyesight testing as much as possible, keeps test result more accurate in test process, at the same can reduce eyesight testing person's
Pressure, facilitates other tests of progress, and device noumenon pedestal right end is provided with handle, facilitates whole carrying.
Detailed description of the invention
Fig. 1 is overall construction drawing of the present invention；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is present invention decompression chou composition；
Fig. 4 is enlarged drawing at B in Fig. 3；
Fig. 5 is letter case structure chart of the present invention；
Fig. 6 is sliding slot dish structure figure of the present invention；
Fig. 7 is feeler lever structure chart of the present invention.
Figure label
1, device noumenon；2, eyepiece；3, first support bar；4, first motor case；5, lens barrel；6, lens disk；7, pedestal；8, second
Support rod；9, the second motor housing；10, electric light；11, letter case；13, handle；12, sliding slot disk；14, intake valve；15, gas tank；
16, ball is depressurized；17, gas-separating valve；18, fixed plate；19, bleeder pipe；20, the first motor-driven valve；21, air bag；22, safety valve；23,
Four support rods；24, ring pipe；25, whistle；26, collapsible tube；27, baffle；28, the second motor-driven valve；29, the 5th support rod；30,
Backing plate；31, layer of silica gel；32, third support rod；33, letter boards；34, gear ring；35, gear；36, feeler lever；37, fixing groove；38,
Pressure sensor；39, gasket.
Specific embodiment
The present invention is specifically described with reference to the accompanying drawing, as shown in figs. 1-7, a kind of Portable vision tester, packet
Device noumenon 1 is included, 1 lower part of device noumenon is provided with pedestal 7, and 7 left end of pedestal is provided with intake valve 14, and intake valve 14 passes through pipeline
It is connect with gas tank 15 in pedestal 7, fixed plate 18 is arranged in 7 upside left side of pedestal, and decompression ball 16, decompression are provided on the left of fixed plate 18
Ball 16 is arranged in fixed plate 18 by fixed link, and decompression ball 16 is arranged four up and down, and gas-separating valve is arranged in fixed plate 18
17, decompression ball 16 is connect by pipeline with gas-separating valve 17, is connect by pipeline with gas tank 15 on the downside of gas-separating valve 17, is depressurized outside ball 16
Side is provided with layer of silica gel 31, and layer of silica gel 31 is bionical human body silica gel material, and layer of silica gel 31 is arranged with air bag 21, and air bag 21 passes through
Pipeline is connect with ring pipe 24, and safety valve 22 is arranged on the pipeline that air bag 21 is connect with ring pipe 24, pad is arranged on the inside of air bag 21
Plate 30 fixes the 4th support rod 23 in the middle part of backing plate 30, and 30 pairs of decompression 16 outer walls of ball of backing plate are supported, and the 4th support rod 23 is separate
30 side of backing plate is fixed on ring pipe 24, and bleeder pipe 19, bleeder pipe 19 is arranged far from 23 side of the 4th support rod in ring pipe 24
It is connect by pipeline with ring pipe 24, the first motor-driven valve 20, bleeder pipe is set on the pipeline that bleeder pipe 19 is connect with ring pipe 24
19 other sides are connect by pipeline with gas-separating valve 17, and ring pipe 24 is symmetrical arranged whistle 25, mouth far from 23 side of the 4th support rod
The whistle 25 is connect with collapsible tube 26 respectively, is provided with baffle 27 in the middle part of two symmetrically arranged collapsible tubes 26, collapsible tube 26 passes through pipe
Road is connect with ring pipe 24, and the second motor-driven valve 28 is provided on the pipeline that collapsible tube 26 is connect with ring pipe 24.
7 upside of pedestal is provided with first support bar 3 on the right side of fixed plate 18, and lens barrel is arranged in 3 upper end of first support bar
5, eyepiece 2 is arranged in 5 left end of lens barrel, and first motor case 4 is arranged on the right side of first support bar 3, and the connecting rod on 4 right side of first motor case is fixed
Lens disk 6 is equipped with the lens of different amplification on lens disk 6, second support bar is arranged on the pedestal 7 on 6 right side of lens disk
8, the second motor housing 9 is set on the right side of second support bar 8, the fixed letter case 11 of connecting rod on 9 right side of the second motor housing, in letter case 11
Gear 35 is arranged in portion, engages gear ring 34 on the outside of gear 35, gear ring 34 is uniformly arranged eight on the letter case 11 far from 35 side of gear
A letter boards 33, the letter in letter boards 33 are fixed with feeler lever 36, feeler lever on the letter boards 33 of alphabetical direction towards being randomly provided
Gasket 39 is arranged in 36 left ends, and third support rod 32,32 top of third support rod is arranged on the upside of the pedestal 7 on 8 right side of second support bar
Fixed electric light 10, the connecting rod fixed chute disk 12 in 32 left side of third support rod, there are three fixing grooves 37 for setting on sliding slot disk 12, Gu
Determine to be provided with pressure sensor 38 in slot 37, handle 13 is arranged by fixed plate in 7 right end of pedestal.
Device noumenon 1 is taken to give a test of one's eyesight place by handle 13, and medical staff will by control first motor case 4
Suitable lens alignment lens barrel 5 in lens disk 6, while letter boards 33 on letter case 11 are moved to sliding slot disk by the second motor housing 9
At pressure sensor 38 on 12, feeler lever 36 is arranged at for E word on letter boards 33, and 39 squeeze pressure of gasket on feeler lever 36 passes
Sensor 38, pressure sensor 38 are electronic by second in the decompression ball 16 of controller opening corresponding direction by continuous
Valve 28, eyesight testing person observe the direction of E word on letter boards 33 by eyepiece 2, and eyesight testing person sees the extruding pair after of E word clearly
The air bag 21 on ball 16 should be depressurized, the air in air bag 21, which is squeezed, enters ring pipe 24 by safety valve 22, and air passes through
Open the second motor-driven valve 28 enter collapsible tube 26, into collapsible tube 26 air collapsible tube 26 acceleration after, flow to whistle 25,
So that whistle 25 is issued sound, that is, represents and be accurate in one's observation, the pressure of oneself can be mitigated by 21 eyesight testing person of extruding gasbag, when
After eyesight testing person extruding gasbag 21 second motor-driven valve 28 close, open the first motor-driven valve 20 by safety valve 22 to air bag 21 into
Row inflation, medical staff rotate letter case 11 by controlling the second motor housing 9, are adjusted to different letter boards 33, counterparty
To decompression ball 16 in the second motor-driven valve 28 open, eyesight testing person again by pressing decompression ball 16 on air bag 21, when
The letter that same lens are shown, when eyesight testing person all selects correctly decompression ball 16, medical staff, which adjusts lens disk 6, makes word
Mother becomes smaller, and carries out next group of test, and when eyesight testing person can not correctly select decompression ball 16, medical staff adjusts lens disk 6
So that letter is become larger, tested, by repeatedly testing the final vision condition for determining eyesight testing person, the present invention is saturating by setting
Instead of traditional visual chart, the electric light 10 of setting makes 33 display effect of letter boards on letter case 11 for mirror disk 6 and letter case 11
Not affected by environment, the mode by using pressing decompression ball 16 replaces traditional finger direction, and making eyesight testing, person is not easy
Now see clearly on alphabetical direction because attention is concentrated mainly on, and it is in the wrong direction, and somebody's sense of direction is not strong, in fact it could happen that sees
The inconsistent situation in direction that alphabetical direction refers to oneself or the direction said, it is seen which direction just presses corresponding decompression ball
16, the situation for causing test inaccurate because of personal reason is avoided, device noumenon 1 can be moved by handle 13, be passed through
Setting decompression ball 16 makes eyesight testing, and person loosens decompression in test, and the whistle 25 depressurized in ball 16 makes a sound, and makes to test
Journey is more interesting, and especially children can attract their attention, them is allowed to cooperate eye test.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
The principle of the present invention is embodied to some variations that some of them part may be made, belongs to the scope of protection of the present invention it
It is interior.
Claims (6)
1. the invention discloses a kind of Portable vision tester, including device noumenon, which is characterized in that device noumenon lower part is set
It is equipped with pedestal, pedestal left end is provided with intake valve, and intake valve is connect by pipeline with gas tank in pedestal, left side setting on the upside of pedestal
Fixed plate, fixed plate left side are provided with decompression ball, and decompression ball is arranged in fixed plate by fixing pipe, and setting divides gas in fixed plate
Valve, decompression ball are connect by pipeline with gas-separating valve, are connect by pipeline with gas tank on the downside of gas-separating valve, are provided with silicon on the outside of decompression ball
Glue-line, layer of silica gel are arranged with air bag, and air bag is connect with ring pipe by pipeline, is arranged on the pipeline that air bag is connect with ring pipe
Safety valve, air bag inside are arranged backing plate, fix the 4th support rod in the middle part of backing plate, the 4th support rod is fixed on ring far from backing plate side
On shape pipe, bleeder pipe is set, bleeder pipe is connect by pipeline with ring pipe, the pipe that bleeder pipe is connect with ring pipe on the inside of ring pipe
First motor-driven valve is set on road, the bleeder pipe other side is connect by pipeline with gas-separating valve, whistle is also symmetrical arranged on the inside of ring pipe,
Whistle is connect with collapsible tube respectively, and baffle is provided in the middle part of symmetrically arranged collapsible tube, and collapsible tube is connected by pipeline and ring pipe
It connects, the second motor-driven valve is provided on the pipeline that collapsible tube is connect with ring pipe.
2. a kind of Portable vision tester according to claim 1, which is characterized in that in fixed plate on the upside of the pedestal
Right side is provided with first support bar, and lens barrel is arranged in first support bar upper end, and lens barrel left end is arranged eyepiece, sets on the right side of first support bar
First motor case is set, the connecting rod on the right side of first motor case fixes lens disk, second support bar is set on the pedestal on the right side of lens disk,
The second motor housing is arranged in second support bar right side, the fixed letter case of the connecting rod on the right side of the second motor housing, on the right side of second support bar
Third support rod is set on the upside of pedestal, the fixed electric light of third supporting bar top, the connecting rod fixed chute disk on the left of third support rod,
Handle is arranged by fixed plate in pedestal right end.
3. a kind of Portable vision tester according to claim 1, which is characterized in that tooth is arranged in the middle part of the letter case
Gear ring is engaged in wheel, gear outside, and gear ring is uniformly arranged several letter boards, the word in letter boards on the letter case far from gear side
Female direction is randomly provided, and is fixed with feeler lever on the letter boards of alphabetical direction.
4. a kind of Portable vision tester according to claim 1, which is characterized in that if being provided on the sliding slot disk
Fixing groove is done, is provided with pressure sensor in fixing groove.
5. a kind of Portable vision tester according to claim 1, which is characterized in that the feeler lever left end setting pad
Piece.
6. a kind of Portable vision tester according to claim 1, which is characterized in that the layer of silica gel is bionical human body
Silica gel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271563.7A CN109864698B (en) | 2019-04-04 | 2019-04-04 | Portable vision tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271563.7A CN109864698B (en) | 2019-04-04 | 2019-04-04 | Portable vision tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109864698A true CN109864698A (en) | 2019-06-11 |
| CN109864698B CN109864698B (en) | 2021-06-08 |
Family
ID=66922141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910271563.7A Active CN109864698B (en) | 2019-04-04 | 2019-04-04 | Portable vision tester |
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| Country | Link |
|---|---|
| CN (1) | CN109864698B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3947098A (en) * | 1973-06-29 | 1976-03-30 | Essilor International "Compagnie Generale d'Optique" | Light projector device, particularly for eyesight examination tests |
| CN101288584A (en) * | 2007-04-20 | 2008-10-22 | 株式会社尼德克 | Vision testing device |
| CN201524063U (en) * | 2009-11-17 | 2010-07-14 | 刘霞 | Vision test disk |
| CN102151119A (en) * | 2011-05-17 | 2011-08-17 | 蒋泉涛 | Instrument for detecting distant vision and training eye muscles |
| CN204246108U (en) * | 2014-11-15 | 2015-04-08 | 陇华 | Eyesight detecting instrument |
| CN107788946A (en) * | 2016-09-05 | 2018-03-13 | 尼德克株式会社 | Subjective formula optometry equipment and subjective formula optometry program |
| CN108209854A (en) * | 2016-12-01 | 2018-06-29 | 尼德克株式会社 | Subjective formula optometry equipment |
-
2019
- 2019-04-04 CN CN201910271563.7A patent/CN109864698B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3947098A (en) * | 1973-06-29 | 1976-03-30 | Essilor International "Compagnie Generale d'Optique" | Light projector device, particularly for eyesight examination tests |
| CN101288584A (en) * | 2007-04-20 | 2008-10-22 | 株式会社尼德克 | Vision testing device |
| CN201524063U (en) * | 2009-11-17 | 2010-07-14 | 刘霞 | Vision test disk |
| CN102151119A (en) * | 2011-05-17 | 2011-08-17 | 蒋泉涛 | Instrument for detecting distant vision and training eye muscles |
| CN204246108U (en) * | 2014-11-15 | 2015-04-08 | 陇华 | Eyesight detecting instrument |
| CN107788946A (en) * | 2016-09-05 | 2018-03-13 | 尼德克株式会社 | Subjective formula optometry equipment and subjective formula optometry program |
| CN108209854A (en) * | 2016-12-01 | 2018-06-29 | 尼德克株式会社 | Subjective formula optometry equipment |
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| Publication number | Publication date |
|---|---|
| CN109864698B (en) | 2021-06-08 |
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