CN214806487U - Eyesight test chair for ophthalmology department - Google Patents
Eyesight test chair for ophthalmology department Download PDFInfo
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- CN214806487U CN214806487U CN202121168842.XU CN202121168842U CN214806487U CN 214806487 U CN214806487 U CN 214806487U CN 202121168842 U CN202121168842 U CN 202121168842U CN 214806487 U CN214806487 U CN 214806487U
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Abstract
The utility model provides an ophthalmic eyesight test chair, which belongs to the technical field of medical equipment and comprises an L-shaped chair main body; the fixing seat is fixed on the upper part of one side end of the seat main body, and one end of the fixing seat is provided with a plurality of uniformly distributed L-shaped grooves; the L-shaped blocks are matched with the L-shaped grooves, the L-shaped blocks are movably inserted into one L-shaped groove, the top of the fixing seat is provided with a jack, and the jack downwards penetrates through the L-shaped blocks and extends to the bottom of the fixing seat; can be according to the high difference of vision test person's seat in the main part of the chair, insert the L-shaped piece with its head assorted position the inslot, can be fixed vision test person's head through fixture this moment for it is when detecting vision, and the head is difficult for rocking, and this device simple structure thinks about ingeniously, conveniently carries out the regulation of position, and the practicality is extremely strong.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, concretely relates to ophthalmic eyesight test seat.
Background
Ophthalmology is one of many types of departments in hospital, is used for specially treating or checking the eye, when testing the eyesight, generally uses the visual chart to detect, and the domestic visual chart that uses has: international standard visual acuity chart, logarithmic visual acuity chart, and landau circle visual acuity chart. The visual acuity chart and the distance visual acuity chart are functionally classified. The visual acuity chart is based on the principle of viewing angle. The inspection of vision is generally divided into far vision and near vision, the far vision mostly adopts an international standard visual chart which is composed of 14 lines of E characters with different sizes and different opening directions; measuring from 0.1 to 1.5 (or from 4.0 to 5.2); each row has a label, and the normal of the visual chart operating side of the tested person is parallel to one row of 1.0 and is 5 meters away from the visual chart.
When examining, generally can let the person who detects sit and detect on the chair, make its position not change, generally all lean on the stability that patient oneself kept the head, detect, can be by the autonomic emergence skew not watching the visual acuity chart, cause visual acuity test's error, generally can fix the head through some centre gripping instruments this moment, because the device rigidity of fixed head among the prior art, can't adjust its height, can't be applicable to the personnel of co-altitude and carry out visual test, thereby make its use extremely inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ophthalmic eyesight test seat aims at solving the device rigidity of the fixed head among the prior art, can't adjust its height, and the personnel that can't be applicable to not co-altitude carry out the test of eyesight to make its use extremely inconvenient problem.
In order to achieve the above object, the utility model provides a following technical scheme:
an ophthalmic vision testing chair comprising:
a seat body in an "L" shape;
the fixing seat is fixed on the upper part of one side end of the seat main body, and one end of the fixing seat is provided with a plurality of uniformly distributed L-shaped grooves;
the L-shaped block is matched with the L-shaped grooves, the L-shaped block is movably inserted into one of the L-shaped grooves, the top of the fixing seat is provided with a jack, and the jack downwards penetrates through the L-shaped block and extends to the bottom of the fixing seat;
the inserted bar is movably inserted into the jack;
the connecting plate is fixed at one end of the L-shaped block, which is far away from the fixed seat; and
and the clamping mechanism is connected with the connecting plate to fix the head of the tester.
As an optimal scheme, fixture includes driving groove, spring, two grip blocks, two cylinders and two hinge bars, driving groove sets up in the connecting plate and keeps away from the one end of L-shaped piece, two the cylinder is fixed in the both sides wall in driving groove respectively, two the hinge bar passes through hinge activity hinge joint in between the upper and lower inner wall in driving groove, two the grip block is fixed with the one end that two hinge bars kept away from the connecting plate respectively, the spring is fixed in between the tip that two hinge bars are close to mutually, two the tip that the hinge bar was kept away from mutually contacts with the output of two cylinders respectively.
As an optimal scheme of the utility model, the top of connecting plate is fixed with the handle, the back of seat main part is fixed with the couple.
As an optimized proposal of the utility model, the top of the inserted bar is in the shape of an I.
As an optimized proposal of the utility model, one end of the fixed seat close to the handle is fixed with a plurality of evenly distributed foam-rubber cushions, and a plurality of foam-rubber cushions are staggered with a plurality of L-shaped grooves.
As a preferred embodiment of the present invention, the armrests are fixedly disposed at both sides of the seat surface of the seat body.
As an optimal scheme of the utility model, the bottom fixedly connected with bracing piece of seat main part, the bottom of bracing piece is rotated and is connected with the chassis.
As an optimal scheme of the utility model, the circumference fixed surface of bracing piece has a plurality of evenly distributed's diagonal brace, and the other end of a plurality of diagonal braces all is fixed with the bottom of seat main part.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the scheme, the L-shaped block is clamped in one L-shaped groove, and then the inserted rod is inserted into the inserting hole to be fixed, so that the L-shaped block cannot move; can be according to the high difference of vision test person's seat in the main part of the chair, insert the L-shaped piece with its head phase-match position's L shape inslot, can be fixed with vision test person's head through fixture this moment for it is when detecting vision, and the head is difficult for rocking, thereby makes it when detecting, can be more accurate, is difficult for producing error, the utility model discloses simple structure thinks about ingeniously, conveniently carries out the regulation of position, and the practicality is extremely strong.
2. In this scheme, start through two cylinders in the fixture, its thin pole all supports with the one end of two articulated arms and leans on to extrude it to the inboard, make the other end of two articulated arms drive two grip blocks and remove to the direction that is close to mutually, thereby can grasp the head, make the head be difficult for rocking, it is more accurate when visual test.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a first perspective view of the present invention;
FIG. 2 is a partial exploded view of the clamping mechanism of the present invention;
fig. 3 is a second perspective view of the present invention;
fig. 4 is a perspective view of the clamping mechanism of the present invention after being disassembled.
In the figure: 1. a seat main body; 2. a handrail; 3. a chassis; 4. a support bar; 5. a fixed seat; 501. a jack; 6. an L-shaped slot; 7. inserting a rod; 8. a sponge cushion; 9. an L-shaped block; 10. a connecting plate; 11. a clamping plate; 12. hooking; 13. a drive slot; 14. a cylinder; 15. a spring; 16. a hinged lever.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1-4, the present invention provides the following technical solutions:
an ophthalmic vision testing chair comprising:
a seat body 1 in an "L" shape;
the fixing seat 5 is fixed at the upper part of one side end of the seat body 1, and one end of the fixing seat 5 is provided with a plurality of uniformly distributed L-shaped grooves 6;
the L-shaped block 9, the L-shaped block 9 is matched with the L-shaped groove 6, the L-shaped block 9 is movably inserted into one L-shaped groove 6, the top of the fixed seat 5 is provided with a jack 501, and the jack 501 penetrates through the L-shaped block 9 downwards and extends to the bottom of the fixed seat 5;
the inserted link 7 is movably inserted into the insertion hole 501;
the connecting plate 10 is fixed at one end of the L-shaped block 9, which is far away from the fixed seat 5; and
and the clamping mechanism is connected with the connecting plate 10 to fix the head of the tester.
In the embodiment of the utility model, when performing the vision test, the tester can sit on the seat body 1 first, according to the position of the head part, the L-shaped block 9 is inserted into the L-shaped groove 6 at the position matched with the height of the head part, the rod 7 is then inserted into the socket 501 to fix it so that the L-shaped block 9 is fixed, preferably, the L-shaped block 9 is integrally formed with the connecting plate 10, the connection between the L-shaped block 9 and the connecting plate 10 is firmer and is not easy to break, the head can be fixed by the clamping mechanism at the moment, so that the head is not easy to shake when the eyesight is detected, thereby the device can be more accurate and not easy to generate errors when in detection, and simultaneously when not in use, can extract L-shaped piece 9, seat main part 1 can be used as the normal chair of diagnosing for this device function is diversified, and is more practical.
Specifically, referring to fig. 2, the clamping mechanism includes a driving groove 13, a spring 15, two clamping plates 11, two air cylinders 14 and two hinge rods 16, the driving groove 13 is disposed at one end of the connecting plate 10 away from the L-shaped block 9, the two air cylinders 14 are respectively fixed on two side walls of the driving groove 13, the two hinge rods 16 are movably hinged between the upper and lower inner walls of the driving groove 13 through hinge shafts, the two clamping plates 11 are respectively fixed with one ends of the two hinge rods 16 away from the connecting plate 10, the spring 15 is fixed between the end portions of the two hinge rods 16 close to each other, and the end portions of the two hinge rods 16 far away from each other are respectively contacted with the output ends of the two air cylinders 14.
In this embodiment: the two cylinders 14 are started, the cylinders 14 are electrically connected with an external control end, the control end can be a remote controller, the stretching and retraction of the cylinders 14 can be controlled, the two thin rods of the cylinders respectively stretch out to be abutted against one ends of the two hinged rods 16 and extrude the thin rods to the inner side, and the two hinged rods 16 are hinged in the driving groove 13 through the hinged shafts, so that the other ends of the two hinged rods 16 drive the two clamping plates 11 to move towards the direction close to each other, the head can be clamped, the head is not prone to shaking, and the vision test is more accurate; will extrude spring 15 simultaneously when two articulated arms 16 remove, make it have elasticity, when the pin rod withdrawal of cylinder 14, because it does not have the extrusion force to articulated arm 16, elasticity through spring 15 self makes two articulated arms 16 can reset, thereby make two grip blocks 11 open, make things convenient for the head to shift out from in the grip block 11, preferably, it has the sponge (not shown in the figure) to paste the bonding through nylon on the inner wall of grip block 11, this sponge can carry out good protection to people's head, the sponge is softer simultaneously, make it difficult for making the tester feel painful when fixing the head again, it is required to explain: the specific type of the air cylinder 14 is selected by a person skilled in the art, and the above description of the air cylinder 14 is omitted for brevity.
Specifically, referring to fig. 1 and 3, a handle is fixed to the top of the connecting plate 10, and a hook 12 is fixed to the back of the seat body 1.
In this embodiment: when the clamping mechanism is not needed, the chair can be conveniently taken out through the arrangement of the handle and hung on the hook 12, so that the chair main body 1 can be used as a normal diagnosis and treatment chair and is more practical.
Specifically, referring to fig. 2, the top of the insertion rod 7 is in an "i" shape.
In this embodiment: through the arrangement of the H-shaped structure, the inserted bar 7 is convenient for workers to pull out.
Specifically referring to fig. 4, a plurality of evenly distributed foam-rubber cushions 8 are fixed at one end of the fixing base 5 close to the handle, and the plurality of foam-rubber cushions 8 are staggered with the plurality of L-shaped grooves 6.
In this embodiment: when the seat main body 1 is used as a normal chair, the head of the seat main body 1 can be rested on the sponge pad 8, so that the comfort of sitting on the seat main body 1 is higher.
Specifically, referring to fig. 4, armrests 2 are fixedly disposed at both side ends of the seat surface of the seat body 1.
In this embodiment: handrail 2 is used for placing of tester's hand, and is preferred, and the top of one of them handrail 2 is seted up flutedly, can place control cylinder 14's controller, conveniently controls cylinder 14's slender pole and stretches out and the withdrawal, can be according to the slender pole extension length of self head size adjustment cylinder 14 for be difficult for tension when grip block 11 centre gripping head, difficult damage that causes the head.
Specifically, referring to fig. 1, a support rod 4 is fixedly connected to the bottom of the seat body 1, and a chassis 3 is rotatably connected to the bottom of the support rod 4.
In this embodiment: the seat body 1 is connected with the chassis 3 through the support rod 4, and is placed on the ground through the chassis 3, so that the seat body 1 is more stable when supporting a person.
Specifically, referring to fig. 1, a plurality of inclined supporting rods are uniformly distributed on the circumferential surface of the supporting rod 4, and the other ends of the plurality of inclined supporting rods are fixed to the bottom of the seat body 1.
In this embodiment: the connection between the support bar 4 and the seat main body 1 is further strengthened, so that the seat main body 1 is fixed more firmly.
The utility model discloses a theory of operation and use flow: when the device is used, firstly, a vision tester sits on the seat main body 1, then according to the head position of the device, the L-shaped block 9 is inserted into the L-shaped groove 6 at the position matched with the head height, then the inserted rod 7 is inserted into the insertion hole 501 to fix the inserted rod, the L-shaped block 9 is fixed, the head can be fixed through the clamping mechanism at the moment, the head is difficult to shake when the vision is detected, the device can be more accurate and is difficult to generate errors, meanwhile, the device can be used for extracting the L-shaped block 9 when the device is not used, the seat main body 1 can be used as a normal diagnosis and treatment chair, the function of the device is diversified, and the device is more practical.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An ophthalmic vision testing chair, comprising:
a seat body (1) in an L shape;
the fixing seat (5) is fixed to the upper portion of one side end of the seat main body (1), and a plurality of uniformly distributed L-shaped grooves (6) are formed in one end of the fixing seat (5);
the L-shaped block (9) is matched with the L-shaped grooves (6), the L-shaped block (9) is movably inserted into one L-shaped groove (6), the top of the fixing seat (5) is provided with a jack (501), and the jack (501) downwards penetrates through the L-shaped block (9) and extends to the bottom of the fixing seat (5);
the insertion rod (7), the insertion rod (7) is movably inserted into the insertion hole (501);
the connecting plate (10), the connecting plate (10) is fixed on one end of the L-shaped block (9) far away from the fixing seat (5); and
the clamping mechanism is connected with the connecting plate (10) to fix the head of the tester.
2. An ophthalmic vision test chair according to claim 1, characterized in that said gripping means comprise a driving slot (13), a spring (15), two gripping plates (11), two air cylinders (14) and two articulated rods (16), the driving groove (13) is arranged at one end of the connecting plate (10) far away from the L-shaped block (9), the two cylinders (14) are respectively fixed on two side walls of the driving groove (13), the two hinged rods (16) are movably hinged between the upper inner wall and the lower inner wall of the driving groove (13) through hinged shafts, the two clamping plates (11) are respectively fixed with one ends of the two hinged rods (16) far away from the connecting plate (10), the spring (15) is fixed between the end parts of the two hinge rods (16) close to each other, and the end parts of the two hinge rods (16) far away from each other are respectively contacted with the output ends of the two cylinders (14).
3. An ophthalmic vision test chair as claimed in claim 2, characterized in that a handle is fixed to the top of the connecting plate (10) and a hook (12) is fixed to the back of the chair body (1).
4. An ophthalmic vision test chair as claimed in claim 3, characterized in that the top of said insertion rod (7) is in the shape of an "I".
5. An ophthalmic vision test chair according to claim 4, characterized in that a plurality of evenly distributed foam pads (8) are fixed at one end of the fixed seat (5) close to the handle, and the plurality of foam pads (8) are staggered with the plurality of L-shaped grooves (6).
6. An ophthalmic eyesight test chair as claimed in claim 5, wherein the chair body (1) is provided with armrests (2) at both sides of the chair surface.
7. An ophthalmic vision test chair according to claim 6, characterized in that the bottom of the chair body (1) is fixedly connected with a support rod (4), and the bottom of the support rod (4) is rotatably connected with a chassis (3).
8. An ophthalmic vision test chair according to claim 7, characterized in that a plurality of uniformly distributed diagonal braces are fixed on the circumferential surface of the supporting rod (4), and the other ends of the plurality of diagonal braces are fixed with the bottom of the chair main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121168842.XU CN214806487U (en) | 2021-05-28 | 2021-05-28 | Eyesight test chair for ophthalmology department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121168842.XU CN214806487U (en) | 2021-05-28 | 2021-05-28 | Eyesight test chair for ophthalmology department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214806487U true CN214806487U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121168842.XU Active CN214806487U (en) | 2021-05-28 | 2021-05-28 | Eyesight test chair for ophthalmology department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214806487U (en) |
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2021
- 2021-05-28 CN CN202121168842.XU patent/CN214806487U/en active Active
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