CN213405979U - Ophthalmic slit lamp guard plate convenient to adjust - Google Patents
Ophthalmic slit lamp guard plate convenient to adjust Download PDFInfo
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- CN213405979U CN213405979U CN202022059921.9U CN202022059921U CN213405979U CN 213405979 U CN213405979 U CN 213405979U CN 202022059921 U CN202022059921 U CN 202022059921U CN 213405979 U CN213405979 U CN 213405979U
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Abstract
The utility model belongs to the field of slit lamps, in particular to an ophthalmic slit lamp protection plate convenient to adjust, which aims at the existing problems and provides a proposal that comprises a base and a protection plate fixedly arranged on the slit lamp, wherein one side of the protection plate is respectively provided with two adjusting holes, the base is internally provided with a cavity, the inner wall at the top of the cavity is provided with a rectangular hole, the bottom of the protection plate is fixedly provided with a movable rod, the bottom end of the movable rod penetrates through the rectangular hole and extends into the cavity, one side of the movable rod is provided with a transverse hole, the inner wall of the cavity, which is far away from one side of the movable rod, is provided with a groove, and the inner wall at one side of the groove is rotatably provided with one end of a screw rod, the utility model solves the defects in the prior art, enables people to adjust the moving distance of the protection plate, is convenient for people to observe without, the requirements of people are met.
Description
Technical Field
The utility model relates to a slit lamp technical field especially relates to an ophthalmic slit lamp guard plate convenient to adjust.
Background
A slit-lamp microscope is an essential important instrument for ophthalmologic examination. The slit-lamp microscope consists of an illumination system and a binocular microscope, can not only enable superficial lesions to be observed clearly, but also adjust the focus and the width of a light source to be made into an optical section, so that the lesions of deep tissues can be also displayed clearly.
The guard plate can generally be installed on current slit lamp, has the eyepiece adjustable hole of semilune on the guard plate to be used for adapting to the observer of different interpupillary distances, but the position of guard plate is difficult to adjust, can not laminate observer's forehead well, and the observer stretches the head and observes the phenomenon that the sore neck can appear for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an ophthalmic slit lamp protection plate convenient to adjust.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an ophthalmic slit lamp protection plate convenient to adjust comprises a base and a protection plate which are fixedly installed on a slit lamp, wherein two adjusting holes are respectively formed in one side of the protection plate, a cavity is formed in the base, a rectangular hole is formed in the inner wall of the top of the cavity, a movable rod is fixedly installed at the bottom of the protection plate, the bottom end of the movable rod penetrates through the rectangular hole and extends into the cavity, a transverse hole is formed in one side of the movable rod, a groove is formed in the inner wall of the cavity, which is far away from one side of the movable rod, of the cavity, one end of a lead screw is rotatably installed on the inner wall of one side of the groove, the other end of the lead screw is rotatably installed on the inner wall of the cavity, a rotating shaft is fixedly sleeved at one end of the lead screw, a plurality of hemispherical grooves are equidistantly arranged on the rotating shaft, vertical holes are formed in the, and the other end that removes the area runs through perpendicular hole to outside extending to the base, remove and take and seted up two annulars respectively, and equal slidable mounting has the slide bar in two annulars, the top fixed mounting of slide bar on the inner wall at recess top, seted up movable groove on the inner wall of recess one side, and slidable mounting has the square pole in the movable groove, the line hole has been seted up on the inner wall of activity groove one side, the one end fixedly connected with rope's of square pole one end, and the other end of rope runs through the line hole, extends outside the base to fixed mounting has the pull ring.
Preferably, the inner wall of the bottom of the cavity is provided with a sliding groove, a sliding block is arranged in the sliding groove in a sliding mode, and the top side of the sliding block is fixedly arranged on the moving rod.
Preferably, the screw rod is sleeved with a screw rod guide sleeve, and the peripheral outer wall of the screw rod guide sleeve is fixedly arranged on the inner wall of the transverse hole.
Preferably, a plurality of bumps are fixedly arranged on the inner side of the moving belt at equal intervals, and the bumps are matched with the hemispherical grooves.
Preferably, a square groove is formed in one end, away from the protection plate, of the screw rod, and the square rod is matched with the square groove.
Preferably, one end of a spring is fixedly connected to the inner wall of one side of the movable groove, and the other end of the spring is fixedly connected to the square rod.
In the utility model, the ophthalmic slit lamp guard plate convenient to adjust firstly pulls the pull ring to move out from the square groove through the rope pulling square rod, meanwhile pulls the moving belt to drive the lug to move, then the lug acts on the hemispherical groove to rotate the rotating shaft, at the moment, the lead screw rotates along with the lug, then the lead screw guide sleeve moves on the lead screw, the adjustment of the position of the guard plate is achieved, the pulling pull ring is loosened after the adjustment is finished, at the moment, the square rod is clamped with the square groove again under the action of the spring, and the fixing of the adjusting position of the guard plate is realized;
the utility model provides a shortcoming among the prior art for people can adjust the displacement of guard plate, make things convenient for people not to have pressure to observe, and it is simple convenient to adjust step, has satisfied people's demand.
Drawings
Fig. 1 is a schematic front view of a protective plate of an ophthalmic slit lamp convenient for adjustment according to the present invention;
FIG. 2 is a schematic diagram of a side view of an ophthalmic slit lamp protection plate for easy adjustment according to the present invention;
FIG. 3 is a schematic structural view of part A of an ophthalmic slit lamp protection plate convenient for adjustment according to the present invention;
fig. 4 is a schematic structural diagram of a portion a1 of an ophthalmic slit lamp protection plate convenient for adjustment according to the present invention.
In the figure: the device comprises a base 1, a protection plate 2, an adjusting hole 3, a cavity 4, a rectangular hole 5, a moving rod 6, a sliding groove 7, a sliding block 8, a transverse hole 9, a groove 10, a screw rod 11, a screw rod guide sleeve 12, a rotating shaft 13, a hemispherical groove 14, a vertical hole 15, a moving belt 16, a lug 17, a ring groove 18, a sliding rod 19, a square groove 20, a movable groove 21, a square rod 22, a spring 23, a wire hole 24 and a rope 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-4, an ophthalmic slit lamp protection plate convenient for adjustment comprises a base 1 and a protection plate 2 fixedly installed on a slit lamp, wherein one side of the protection plate 2 is respectively provided with two adjusting holes 3, the base 1 is internally provided with a cavity 4, the inner wall of the top of the cavity 4 is provided with a rectangular hole 5, the bottom of the protection plate 2 is fixedly installed with a movable rod 6, the bottom end of the movable rod 6 penetrates through the rectangular hole 5 and extends into the cavity 4, one side of the movable rod 6 is provided with a transverse hole 9, the inner wall of the cavity 4 far away from the movable rod 6 is provided with a groove 10, the inner wall of one side of the groove 10 is rotatably installed with one end of a screw rod 11, the other end of the screw rod 11 is rotatably installed on the inner wall of the cavity 4, one end of the screw rod 11 positioned in the groove 10 is fixedly sleeved with a rotating shaft 13, the rotating shaft 13 is provided with a plurality of hemispherical grooves, cup jointed the one end that removes area 16 in pivot 13, and the other end that removes area 16 runs through perpendicular hole 15, and outside extending to base 1, remove and have seted up two annuluses 18 on the area 16 respectively, and equal slidable mounting has slide bar 19 in two annuluses 18, slide bar 19's top fixed mounting is on the inner wall at recess 10 top, movable groove 21 has been seted up on the inner wall of recess 10 one side, and slidable mounting has square bar 22 in the movable groove 21, wired hole 24 has been seted up on the inner wall of movable groove 21 one side, the one end fixedly connected with rope 25's of square bar 22 one end, and rope 25's the other end runs through wired hole 24, extend outside base 1, and fixed mounting has the pull ring.
The utility model discloses in, seted up spout 7 on the inner wall of cavity 4 bottom, and slidable mounting has slider 8 in spout 7, and the top side fixed mounting of slider 8 is on carriage release lever 6, and spout 7 and slider 8 mutually support be in order to ensure that guard plate 2 slides better.
The utility model discloses in, lead screw guide pin bushing 12 has been cup jointed on the lead screw 11, and the outer wall fixed mounting all around of lead screw guide pin bushing 12 is on the inner wall of cross bore 9.
The utility model discloses in, the inboard equidistant fixed mounting that removes area 16 has a plurality of lug 17, and lug 17 and hemisphere groove 14 looks adaptation drive pivot 13 through lug 17 and hemisphere groove 14 and rotate.
The utility model discloses in, the square groove 20 has been seted up to the one end that guard plate 2 was kept away from to lead screw 11, and square bar 22 and square groove 20 looks adaptation, realize 11 pivoted restrictions to lead screw through square groove 20 and square bar 22.
The utility model discloses in, the one end of fixedly connected with spring 23 on the inner wall of activity groove 21 one side, and spring 23's other end fixed connection is on square pole 22, and spring 23 is in order to ensure square pole 22 and square groove 20's block.
Example two
Referring to fig. 1-4, an ophthalmic slit lamp protection plate convenient for adjustment comprises a base 1 and a protection plate 2 fixedly installed on a slit lamp, wherein one side of the protection plate 2 is respectively provided with two adjusting holes 3, the base 1 is internally provided with a cavity 4, the inner wall of the top of the cavity 4 is provided with a rectangular hole 5, the bottom of the protection plate 2 is fixedly installed with a movable rod 6, the bottom end of the movable rod 6 penetrates through the rectangular hole 5 and extends into the cavity 4, one side of the movable rod 6 is provided with a transverse hole 9, the inner wall of the cavity 4 far away from the movable rod 6 is provided with a groove 10, the inner wall of one side of the groove 10 is rotatably installed with one end of a screw rod 11, the other end of the screw rod 11 is rotatably installed on the inner wall of the cavity 4, one end of the screw rod 11 positioned in the groove 10 is fixedly sleeved with a rotating shaft 13, the rotating shaft 13 is provided with a plurality of hemispherical grooves, cup jointed the one end that removes area 16 in pivot 13, and the other end that removes area 16 runs through perpendicular hole 15, and outside extending to base 1, remove and have seted up two annuluses 18 on the area 16 respectively, and equal slidable mounting has slide bar 19 in two annuluses 18, slide bar 19's top fixed mounting is on the inner wall at recess 10 top, movable groove 21 has been seted up on the inner wall of recess 10 one side, and slidable mounting has square bar 22 in the movable groove 21, wired hole 24 has been seted up on the inner wall of movable groove 21 one side, the one end fixedly connected with rope 25's of square bar 22 one end, and rope 25's the other end runs through wired hole 24, extend outside base 1, and fixed mounting has the pull ring.
The utility model discloses in, seted up spout 7 on the inner wall of cavity 4 bottom, and slidable mounting has slider 8 in spout 7, and the top side fixed welding of slider 8 is on carriage release lever 6.
The utility model discloses in, lead screw guide pin bushing 12 has been cup jointed on the lead screw 11, and the outer wall fixed mounting all around of lead screw guide pin bushing 12 is on the inner wall of cross bore 9.
The utility model discloses in, the inboard equidistant fixed welding that removes area 16 has a plurality of lug 17, and lug 17 and hemisphere groove 14 looks adaptation.
The utility model discloses in, the one end that guard plate 2 was kept away from to lead screw 11 is dug and is equipped with square groove 20, and square bar 22 and square groove 20 looks adaptation.
The utility model discloses in, fixed welding has the one end of spring 23 on the inner wall of activity groove 21 one side, and the fixed welding of the other end of spring 23 is on square pole 22.
The utility model discloses in, at first the pulling pull ring makes it shift out from square groove 20 through rope 25 pulling square bar 22, meanwhile the pulling removes area 6 and makes it drive lug 17 and remove, then lug 17 acts on hemisphere groove 14 and makes pivot 13 rotate, lead screw 11 will rotate thereupon this moment, then lead screw guide sleeve 12 will move on lead screw 11, just reached the regulation to guard plate 2 positions, the pulling pull ring is loosened after the regulation finishes, square bar 22 once more under the effect of spring 23 with square groove 20 block, the realization is fixed to guard plate 2 adjusting position.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an ophthalmic slit lamp guard plate convenient to adjust, includes base (1) and guard plate (2) of fixed mounting on the slit lamp, its characterized in that, two regulation holes (3) have been seted up respectively to one side of guard plate (2), the inside of base (1) has been seted up cavity (4), and has seted up rectangular hole (5) on the inner wall at cavity (4) top, the bottom fixed mounting of guard plate (2) has carriage release lever (6), and the bottom of carriage release lever (6) runs through rectangular hole (5), and extends to in cavity (4), one side of carriage release lever (6) has been seted up cross bore (9), set up recess (10) on the inner wall of cavity (4) one side of keeping away from carriage release lever (6), and rotate on the inner wall of recess (10) one side and install the one end of lead screw (11), the other end of lead screw (11) rotates and installs on the inner wall of cavity (4), the fixed cover of one end that lead screw (11) is located recess (10) has connect pivot (13), and equidistant a plurality of hemisphere groove (14) that is equipped with on pivot (13), erect hole (15) have been seted up on the inner wall of recess (10) bottom, the one end of removal area (16) has been cup jointed on pivot (13), and the other end of removal area (16) runs through perpendicular hole (15) to extend to outside base (1), two annuluses (18) have been seted up respectively on removal area (16), and equal slidable mounting has slide bar (19) in two annuluses (18), and the top fixed mounting of slide bar (19) is on the inner wall at recess (10) top, movable groove (21) has been seted up on the inner wall of recess (10) one side, and slidable mounting has square pole (22) in movable groove (21), line hole (24) has been seted up on the inner wall of movable groove (21) one side, one end fixedly connected with rope (25) of square bar (22), and the other end of rope (25) runs through line hole (24), extends to outside base (1) to fixed mounting has the pull ring.
2. An ophthalmic slit lamp protection plate convenient to adjust according to claim 1, wherein a sliding groove (7) is formed in the inner wall of the bottom of the cavity (4), a sliding block (8) is slidably mounted in the sliding groove (7), and the top side of the sliding block (8) is fixedly mounted on the moving rod (6).
3. An ophthalmic slit lamp protection plate convenient to adjust according to claim 1, wherein a screw rod guide sleeve (12) is sleeved on the screw rod (11), and the peripheral outer wall of the screw rod guide sleeve (12) is fixedly installed on the inner wall of the transverse hole (9).
4. An ophthalmic slit lamp shield facilitating adjustment according to claim 1, wherein a plurality of protrusions (17) are fixedly installed on the inner side of the moving belt (16) at equal intervals, and the protrusions (17) are matched with the hemispherical grooves (14).
5. An ophthalmic slit lamp protection plate convenient to adjust according to claim 1, wherein one end of the screw rod (11) far away from the protection plate (2) is provided with a square groove (20), and the square rod (22) is matched with the square groove (20).
6. An ophthalmic slit lamp protection plate convenient for adjustment according to claim 1, wherein one end of the spring (23) is fixedly connected to the inner wall of one side of the movable groove (21), and the other end of the spring (23) is fixedly connected to the square bar (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022059921.9U CN213405979U (en) | 2020-09-18 | 2020-09-18 | Ophthalmic slit lamp guard plate convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022059921.9U CN213405979U (en) | 2020-09-18 | 2020-09-18 | Ophthalmic slit lamp guard plate convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213405979U true CN213405979U (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022059921.9U Active CN213405979U (en) | 2020-09-18 | 2020-09-18 | Ophthalmic slit lamp guard plate convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213405979U (en) |
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2020
- 2020-09-18 CN CN202022059921.9U patent/CN213405979U/en active Active
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