Fixing frame for ophthalmic examination
By designing the drive and reset components, the problem of low disassembly efficiency in existing ophthalmic examination fixtures has been solved, enabling rapid disassembly and adaptive adjustment, thus improving operational efficiency and stability.
Patent Information
- Application Number
- CN202422471753.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-10-14
AI Technical Summary
Existing ophthalmic examination fixtures are inefficient to disassemble and clean, requiring specialized tools to pry open the embedded connections, which makes operation inconvenient.
The device employs a drive assembly and a reset assembly design. Through the cooperation of an electric push rod and bolts, it enables convenient disassembly and disassembly of the support strap and support plate and allows for adjustment to accommodate different patient body shapes. The design of the anti-slip plate and springs enhances the stability of the device.
It enables quick disassembly and cleaning of the fixation frame, adapts to different patient body shapes, improves operational efficiency, enhances the stability of the device, and avoids examination deviations.
Smart Images

Figure CN223516338U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical examination technical field especially, relates to a fixed frame for ophthalmic examination. BACKGROUND
[0002] The fixed frame for ophthalmic examination is an auxiliary equipment specially used in the process of ophthalmic examination, and its main function is to stably fix the head and eye position of the patient to ensure that the ophthalmic examination can be accurately and smoothly carried out. It provides comfortable support for the patient through the headrest, forehead support, orbit support and other components designed reasonably, effectively prevents the head shaking or eye position deviation of the patient during examination, so as to ensure that the doctor or optometrist can clearly and accurately observe the various structures of the patient's eye and obtain reliable examination results.
[0003] And in the prior art, the chin rest and forehead support of most fixed frames for ophthalmic examination are connected through multiple embedded connections, and the staff needs to use special tools such as small screwdrivers and pry bars to pry the embedded parts, which takes a long time to separate the chin rest and forehead support, resulting in low disassembly and cleaning efficiency. Therefore, a fixed frame for ophthalmic examination is proposed to solve the above problems. UTILITY MODEL CONTENT
[0004] In order to make up for the above shortcomings, the utility model provides a fixed frame for ophthalmic examination, aiming at improving the problem that part of the fixed frame for ophthalmic examination in the prior art is difficult to disassemble, resulting in low cleaning efficiency.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A fixed frame for ophthalmic examination, comprising a bottom plate, a backrest and a support plate, the left and right ends of the backrest are fixedly connected with the bottom side of the support plate Limiting block, the outside of the limiting block is slidingly connected with a square plate, the front and rear ends of the square plate are slidingly connected with a push plate, the proximal side of the two push plates is fixedly connected with a sliding plate, the proximal side of the two sliding plates is fixedly connected with an opening block, the inside of the opening block is rotatably connected with two rotating plates, the proximal end of the multiple rotating plates is rotatably connected with a concave plate, the proximal side of the two concave plates is fixedly connected with a sliding block, the proximal side of the two sliding blocks is fixedly connected with a support block, the top side of the left and right ends of the bottom plate is fixedly connected with a stand, the inside of the stand is fixedly connected with a drive assembly for driving the subsequent components to slide, the top side of the drive assembly is fixedly connected with a stand rod, the outside of the stand rod is slidingly connected with a sliding ring.
[0007] As a further description of the above technical scheme:
[0008] The inner thread of the sliding ring is connected with a bolt, the front side of the bolt is fixedly connected with a hand plate, the far side of the two driving assemblies is fixedly connected with a side block, the inner side of the side block is rotatably connected with a rotating plate, the bottom end of the rotating plate is rotatably connected with a connecting plate, the top side of the bottom plate is fixedly connected with a vertical block on both ends, the top side of the vertical block is fixedly connected with two vertical plates, the inner side of the connecting plate is slidably connected with a sliding column, the bottom side of the sliding column is fixedly connected with a connecting column, the bottom side of the connecting column is fixedly connected with a fixed cylinder, the outer side of the fixed cylinder is slidably connected with a sleeve ring, the inner wall top side of the fixed cylinder is fixedly connected with a reset assembly of a reset component, the bottom side of the reset assembly is fixedly connected with a sliding rod, and the bottom side of the sliding rod is fixedly connected with an anti-skid plate.
[0009] As a further description of the above technical solution:
[0010] The driving assembly comprises an electric push rod, the outer side of the electric push rod is fixedly connected in the inner side of the vertical column, and the driving end of the electric push rod is fixedly connected with a connecting plate.
[0011] As a further description of the above technical solution:
[0012] The top side of the connecting plate is fixedly connected to the bottom side of the vertical rod, the proximal side of the two connecting plates is fixedly connected to the left and right ends of one of the square plates, the proximal side of the two sliding rings is fixedly connected to the distal side of the remaining two square plates, and the top side of the two vertical rods is fixedly connected with a top plate.
[0013] As a further description of the above technical solution:
[0014] The top end of the vertical rod is provided with a plurality of threaded holes, the outer side of the bolt is threadedly connected to the top end of the vertical rod, the inner side of the square plate is fixedly connected with a support rod, the left and right ends of the support rod are sleeved with a spring one, the outer side of the support rod is slidably connected in the inner side of the two sliding blocks, and the distal side of the two sliding blocks is fixedly connected to the proximal side of the two springs one.
[0015] As a further description of the above technical solution:
[0016] The top end of the two vertical plates is rotatably connected in the inner side of the connecting plate, and the distal side of the two vertical blocks is fixedly connected to the proximal side of the two sleeve rings.
[0017] As a further description of the above technical solution:
[0018] The reset assembly comprises a spring two, the top end of the spring two is fixedly connected to the inner wall top side of the fixed cylinder, and the bottom end of the spring two is fixedly connected with a circular plate.
[0019] As a further description of the above technical solution:
[0020] The bottom side of the circular plate is fixedly connected to the top side of the sliding rod, the outer side of the circular plate is slidably connected to the inner wall of the fixed cylinder, and the outer side of the sliding rod is slidably connected to the inner wall of the fixed cylinder.
[0021] This utility model has the following beneficial effects:
[0022] 1. In this utility model, the two concave plates will drive the sliding block to slide and compress the spring, so that the spring can store elastic potential energy, and then give the sliding block a force in the opposite direction to reset it. During the sliding process, the sliding block will also drive the support block to slide and slide away from the inside of the limiting block. At this time, the support plate can drive the limiting block to detach, so that the back strap and the support plate can be disassembled for cleaning, thereby improving the efficiency of disassembly and cleaning.
[0023] 2. In this utility model, by rotating the bolt, the bolt can be disengaged from the threaded hole in the upright rod. At this time, the sliding ring will drive the support belt to slide to accommodate the different forehead heights of patients. Based on the patient's body shape, the connecting plate is pushed to slide by driving the electric push rod, so that the support plate can hold the chin of patients of different body shapes. At the same time, the anti-slip plate will contact the tabletop, and the anti-slip plate will push the sliding rod to slide, thereby pushing the circular plate to slide and compress the second spring. The second spring can store elastic potential energy, and then give the anti-slip plate a force in the opposite direction to press the tabletop, thereby improving the overall stability of the device and avoiding deviations in the inspection. Attached Figure Description
[0024] Figure 1 This is a three-dimensional schematic diagram of a fixation frame for ophthalmic examination proposed in this utility model;
[0025] Figure 2 This is a schematic diagram of the structure of a support block for an ophthalmic examination fixture proposed in this utility model;
[0026] Figure 3 for Figure 1 Enlarged view of point A;
[0027] Figure 4 This is a schematic diagram of the sliding column of a fixation frame for ophthalmic examination proposed in this utility model.
[0028] Legend:
[0029] 1, bottom plate; 2, stand; 3, electric push rod; 4, connecting plate; 5, square plate; 6, stand rod; 7, top plate; 8, back belt; 9, sliding ring; 10, hand plate; 11, push plate; 12, sliding plate; 13, opening block; 14, rotating plate; 15, concave plate; 16, sliding block; 17, support block; 18, limiting block; 19, support plate; 20, support rod; 21, spring one; 22, bolt; 23, threaded hole; 24, side block; 25, rotating plate; 26, connecting plate; 27, vertical block; 28, vertical plate; 29, sliding column; 30, connecting column; 31, fixed cylinder; 32, collar; 33, spring two; 34, round plate; 35, sliding rod; 36, anti-skid plate. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0031] Referring to Figures 1 to 3 , the utility model provides an embodiment: a kind of ophthalmic examination fixing frame, including bottom plate 1, back belt 8 and support plate 19, and the left and right ends of back belt 8 are fixedly connected with the bottom side of support plate 19 with limiting block 18, and limiting block 18 is slidably connected with square plate 5 outside, for fixing square plate 5 and limiting block 18. The front and rear ends of square plate 5 are slidably connected with push plate 11, for pushing the sliding of subsequent components. The side close to two push plates 11 is fixedly connected with sliding plate 12, for transmitting the thrust of push plate 11 to subsequent components. The side close to two sliding plates 12 is fixedly connected with opening block 13, and the inside of opening block 13 is rotatably connected with two rotating plates 14, and the thrust of sliding plate 12 is transmitted to rotating plate 14 for rotation by opening block 13. The end close to multiple rotating plates 14 is rotatably connected with concave plate 15, and the side close to two concave plates 15 is fixedly connected with sliding block 16, and the sliding of concave plate 15 is pushed by the rotation of rotating plate 14 and the sliding force is transmitted to sliding block 16. The side close to two sliding blocks 16 is fixedly connected with support block 17, for clamping limiting block 18 to limit and fix.
[0032] Referring to Figure 1 , Figure 2 and Figure 4The top side of the bottom plate 1 is fixedly connected with the left and right ends of the column 2, which provides support for the bottom plate 1. The inside of the column 2 is fixedly connected with a driving assembly for driving the subsequent components to slide, which includes an electric push rod 3, a driving source. The outside of the electric push rod 3 is fixedly connected inside the column 2, so that the electric push rod 3 can operate stably. The driving end of the electric push rod 3 is fixedly connected with a connecting plate 4. The pushing force of the electric push rod 3 is transmitted to the subsequent components through the connecting plate 4. The top side of the driving assembly is fixedly connected with a stand 6, and the top side of the connecting plate 4 is fixedly connected to the bottom side of the stand 6, and the pushing force is transmitted to the stand 6 through the connecting plate 4. The proximal side of the two connecting plates 4 is fixedly connected to the left and right ends of one of the square plates 5, and the pushing force is transmitted to the square plate 5 through the connecting plate 4. The outside of the stand 6 is slidingly connected with a sliding ring 9, so that the sliding ring 9 can stably vertically slide. The proximal side of the two sliding rings 9 is fixedly connected to the distal side of the other two square plates 5, respectively, to provide support for the square plate 5. The top side of the two stands 6 is fixedly connected with a top plate 7. The inside of the sliding ring 9 is threadedly connected with a bolt 22 for guiding the sliding ring 9 to be fixed for the subsequent components. The front side of the bolt 22 is fixedly connected with a grip plate 10, which is convenient for driving the bolt 22 to rotate;
[0033] A plurality of threaded holes 23 are formed in the top end of the stand 6 for accommodating the bolt 22. The outside of the bolt 22 is threadedly connected to the top end of the stand 6, and the inside of the square plate 5 is fixedly connected with a support rod 20 to provide support for the support rod 20. The left and right ends of the support rod 20 are sleeved with a spring 21, so that the spring 21 is limited and can bear force uniformly. The outside of the support rod 20 is slidingly connected inside the two sliding blocks 16 to guide the horizontal sliding of the sliding block 16. The distal side of the two sliding blocks 16 is fixedly connected to the proximal side of the two springs 21, respectively, to provide a restoring force for the sliding block 16. The distal side of the two driving assemblies is fixedly connected with a side block 24, which is pushed to slide by the driving assembly. The inside of the side block 24 is rotatably connected with a rotating plate 25, and the bottom end of the rotating plate 25 is rotatably connected with a connecting plate 26. The side block 24 drives the rotating plate 25 to rotate, and then drives the connecting plate 26 to rotate. The top side of the bottom plate 1 is fixedly connected with a stand 27, and the top side of the stand 27 is fixedly connected with two stands 28 to provide support for the rotation of the subsequent components;
[0034] The top ends of the two vertical plates 28 are pivotally connected to the inside of the adapter plate 26 to provide support force for the rotation of the adapter plate 26. The far sides of the two vertical blocks 27 are fixedly connected to the near sides of the two collars 32 to provide support force for the collars 32 to guide the sliding of the subsequent components. The inside of the adapter plate 26 is slidingly connected with a sliding column 29, so that the sliding column 29 can move along the movement of the adapter plate 26. The bottom side of the sliding column 29 is fixedly connected with a connecting column 30 to provide support force for the connecting column 30. The bottom side of the connecting column 30 is fixedly connected with a fixed cylinder 31 to transmit the sliding force to the fixed cylinder 31. The outside of the fixed cylinder 31 is slidingly connected with the collar 32, so that the fixed cylinder 31 can slide vertically. The inner wall top side of the fixed cylinder 31 is fixedly connected with a reset assembly for the subsequent components, and the reset assembly includes a spring 33, the top end of which is fixedly connected to the inner wall top side of the fixed cylinder 31 to fix the spring 33, so that the spring 33 can be uniformly stressed. The bottom end of the spring 33 is fixedly connected with a circular plate 34 to provide the circular plate 34 with a resetting force. The bottom side of the circular plate 34 is fixedly connected to the top side of a sliding rod 35, and the sliding rod 35 is fixedly connected to the bottom side of the circular plate 34 to provide the sliding rod 35 with support force. The outside of the circular plate 34 is slidingly connected to the inner wall of the fixed cylinder 31, and the circular plate 34 can slide vertically through the limitation of the fixed cylinder 31. The outside of the sliding rod 35 is slidingly connected to the inner wall of the fixed cylinder 31. The bottom side of the sliding rod 35 is fixedly connected with an anti-skid plate 36.
[0035] Working principle: when it is necessary to disassemble and clean the leaning tape 8 and the support plate 19, three pairs of push plates 11 are pushed to make the push plates 11 push the sliding plates 12 to slide, thereby pushing the opening blocks 13 to slide and pushing the two rotating plates 14 to rotate, and then the rotating plates 14 push the concave plates 15 to slide, at this time the two concave plates 15 push the sliding blocks 16 to slide and press the springs 21, so that the springs 21 can store elastic potential energy, and then give the sliding blocks 16 a force in the opposite direction to reset, and in the process of sliding of the sliding blocks 16, the support blocks 17 are also pushed to slide and slide away from the inside of the limiting blocks 18, at this time the support plate 19 can drive the limiting blocks 18 to disengage, so that the leaning tape 8 and the support plate 19 can be disassembled and cleaned, thereby improving the disassembly and cleaning efficiency.
[0036] And more with the patient's face, by rotating the bolt 22, so that the bolt 22 can be separated from the threaded hole 23 in the stand 6, at this time the sliding ring 9 will drive the slide ring 8 to slide to use different patient forehead height, and more with the patient's body, by driving the electric push rod 3 to push the connecting plate 4 to slide, so that the support plate 19 can resist the chin of different patients, and the connecting plate 4 will also push the side block 24 to slide, in turn drive the rotating plate 25 to rotate, so as to drive the connecting plate 26 to rotate around the stand plate 28 through the pin, with the rotation of the connecting plate 26, the sliding column 29 will be pushed to slide, in turn push the connecting column 30 to slide, and then the fixed cylinder 31 will slide vertically downward around the ring 32, and then the anti-skid plate 36 will contact the desktop, at this time the anti-skid plate 36 will push the sliding rod 35 to slide, in turn push the round plate 34 to slide and extrude the spring two 33, so that the spring two 33 can store elastic potential energy, in turn give the anti-skid plate 36 a reverse force to extrude the desktop, so as to improve the stability of the whole device, avoid the deviation of the examination.
[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.
Claims
1. An ophthalmic examination fixation stand comprising a base plate (1), a chin rest (8) and a support plate (19), characterised in that: The left and right ends of the shoulder strap (8) are fixedly connected with the bottom side of the supporting plate (19) Limiting block (18), the outside of the limiting block (18) is slidably connected with the square plate (5), the front and rear ends of the square plate (5) are slidably connected with the push plate (11), the proximal side of the two push plates (11) is fixedly connected with the sliding plate (12), the proximal side of the two sliding plates (12) is fixedly connected with the opening block (13), the inside of the opening block (13) is rotatably connected with two rotating plates (14), the proximal end of the plurality of rotating plates (14) is rotatably connected with the concave plate (15), the proximal side of the two concave plates (15) is fixedly connected with the sliding block (16), the proximal side of the two sliding blocks (16) is fixedly connected with the supporting block (17), the top side of the left and right ends of the bottom plate (1) is fixedly connected with the stand column (2), the inside of the stand column (2) is fixedly connected with the driving assembly for driving the sliding of the subsequent components, the top side of the driving assembly is fixedly connected with the stand rod (6), the outside of the stand rod (6) is slidably connected with the sliding ring (9).
2. The fixation support according to claim 1, wherein: The inside of the sliding ring (9) is threadedly connected with the bolt (22), the front side of the bolt (22) is fixedly connected with the grip plate (10), the distal side of the two driving assemblies is fixedly connected with the side block (24), the inside of the side block (24) is rotatably connected with the rotating plate (25), the bottom end of the rotating plate (25) is rotatably connected with the connecting plate (26), the top side of the left and right ends of the bottom plate (1) is fixedly connected with the stand block (27), the top side of the stand block (27) is fixedly connected with two stand plates (28), the inside of the connecting plate (26) is slidably connected with the sliding column (29), the bottom side of the sliding column (29) is fixedly connected with the connecting column (30), the bottom side of the connecting column (30) is fixedly connected with the fixed cylinder (31), the outside of the fixed cylinder (31) is slidably connected with the sleeve ring (32), the top side of the inner wall of the fixed cylinder (31) is fixedly connected with the reset assembly for resetting the subsequent components, the bottom side of the reset assembly is fixedly connected with the sliding rod (35), the bottom side of the sliding rod (35) is fixedly connected with the anti-skid plate (36).
3. The fixation device of claim 1, wherein: The driving assembly comprises an electric push rod (3), and the outside of the electric push rod (3) is fixedly connected in the inside of the stand column (2), and the driving end of the electric push rod (3) is fixedly connected with the connecting plate (4).
4. The fixation support of claim 3, wherein: The top side of the connecting plate (4) is fixedly connected to the bottom side of the stand rod (6), the proximal side of the two connecting plates (4) is fixedly connected to the left and right ends of one of the square plates (5), the proximal side of the two sliding rings (9) is fixedly connected to the distal side of the remaining two square plates (5), and the top side of the two stand rods (6) is fixedly connected with the top plate (7).
5. The fixation support of claim 2, wherein: The top end of the vertical rod (6) is provided with a plurality of threaded holes (23), the outer thread of the bolt (22) is connected at the top end of the vertical rod (6), the inner side of the square plate (5) is fixedly connected with a support rod (20), the left and right ends of the support rod (20) are sleeved with a spring (21), the outer side of the support rod (20) is slidably connected in the inner side of the two sliding blocks (16), and the far sides of the two sliding blocks (16) are fixedly connected with the proximal ends of the two springs (21) respectively.
6. The fixation support of claim 2, wherein: The top ends of the two vertical plates (28) are rotatably connected in the inner side of the connecting plate (26), and the far sides of the two vertical blocks (27) are fixedly connected with the proximal sides of the two sleeve rings (32) respectively.
7. The fixation support of claim 2, wherein: The reset assembly comprises a spring (33), the top end of the spring (33) is fixedly connected with the inner wall top side of the fixed cylinder (31), and the bottom end of the spring (33) is fixedly connected with a circular plate (34).
8. The fixation support of claim 7, wherein: The bottom side of the circular plate (34) is fixedly connected with the top side of the sliding rod (35), the outer side of the circular plate (34) is slidably connected with the inner wall of the fixed cylinder (31), and the outer side of the sliding rod (35) is slidably connected with the inner wall of the fixed cylinder (31).