Ophthalmology instrument accessory convenient to adjust
By using a motor-driven adjustment device for ophthalmic instrument accessories, the problem of inconvenient adjustment of the chin support block in existing technologies has been solved, realizing automatic adjustment and comfortable testing, thus improving the efficiency and comfort of ophthalmic testing.
Patent Information
- Application Number
- CN202422725808.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-08
AI Technical Summary
The adjustment of the chin support block in existing ophthalmic instruments requires manual operation and is not easy to align precisely, making the adjustment troublesome.
The ophthalmic instrument accessory adjustment device, driven by a motor, achieves automatic adjustment through a lead screw and sliding sleeve structure. Combined with protective components and jaw support components, it provides a stable and comfortable testing environment.
It enables precise alignment with ophthalmic instruments without manual operation, improving testing efficiency and comfort, and reducing the hassle of adjustment and impact on the jaw.
Smart Images

Figure CN223504210U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ophthalmic instrument technical field, concretely is an ophthalmic instrument accessory of convenient adjustment. BACKGROUND
[0002] Ophthalmic instrument has diagnosis myopia degree, guide vision correction, monitor myopia progress and evaluate the effect of treatment, and in order to need to adjust the lower jaw support plate in the instrument according to the face proportion of different patients, so that it is more accurately checked, satisfy different needs.
[0003] The prior art discloses a chin support adjusting mechanism for ophthalmic vision detection, which comprises a lower support seat and an upper connecting beam, characterized in that: two vertical main rods are installed between the lower support seat and the upper connecting beam; two adjusting sleeves are inserted into the two vertical main rods, a middle transverse beam is installed between the two adjusting sleeves, and the two ends of the middle transverse beam are fixed on the two adjusting sleeves; it only needs to push the two adjusting sleeves to adjust the height, and the cooperation between the ball head plunger and the positioning concave hole will not deform the vertical main rod, and the height position of the chin support block can be adjusted by loosening the locking nut, so that the adjusting accuracy is high and the use of different users is met.
[0004] When the above technical scheme adjusts the chin support block, the ball head plunger needs to be manually clamped into the positioning concave hole, and the detector needs to go to the front of the instrument and adjust according to the position of the eye, and also needs to return to the rear end of the instrument to observe whether it is aligned with the lens, so that the adjustment is more troublesome. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of ophthalmic instrument accessory of convenient adjustment to solve the problems raised in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of ophthalmic instrument accessory of convenient adjustment, including base, the base one end is installed with ophthalmic instrument main body, and the base other end is fixedly installed with ophthalmic instrument accessory adjusting device.
[0007] The ophthalmic instrument accessory adjusting device includes a fixed seat, the fixed seat is fixedly connected with a vertical rod at both ends, a cavity is formed in one end of the vertical rod, a lead screw is arranged in the cavity, the outer wall of the lead screw is threadedly connected with a sleeve, the outer side of the sleeve is fixedly connected with a sliding sleeve, the inner wall of the sliding sleeve is slidably connected with the vertical rod, a support plate is fixedly connected between the two sliding sleeves, a protective assembly is mounted in the circular groove at the four corners of the middle part of the support plate, and a lower jaw support assembly is fixedly mounted on the top side of the protective assembly.
[0008] In the above technical solution, during adjustment, the detection personnel can start the small motor through the control switch, and then the held chin can follow the movement until the patient's eyes are aligned with the instrument detection position, and the detection personnel can stare at the display screen until the eyes are aligned to stop the start of the small motor.
[0009] As a further preferred embodiment of the present technical solution, a positioning plate is fixedly connected to the upper ends between the two vertical rods, and the outer surface of the positioning plate is provided with a cushion block.
[0010] In the above technical solution, the forehead of the patient can be positioned, and then the chin of the patient is conveniently held on the flexible water pad.
[0011] As a further preferred embodiment of the present technical solution, a handrail is fixedly connected to the lower end between the two vertical rods, and the two handrails are symmetrically arranged.
[0012] In the above technical solution, the handrails are arranged to enable the patient to hold during detection, thereby reducing shaking.
[0013] As a further preferred embodiment of the present technical solution, a rotating rod is arranged at the bottom side of the lead screw, the rotating rod penetrates through the vertical rod and extends into the groove at one end of the fixed seat, a bevel gear set is arranged at the bottom of the rotating rod, and a small motor is arranged at the input end of the bevel gear set and penetrates through the fixed seat.
[0014] As a further preferred embodiment of the present technical solution, the protection assembly comprises a circular cylinder, a spring is embedded in the circular cylinder, and a buffer rod is embedded above the spring.
[0015] In the above technical solution, when the chin of the patient is pressed on the chin support assembly, the impact caused by placement can be reduced, and the chin of the patient is protected to a certain extent.
[0016] As a further preferred embodiment of the present technical solution, the chin support assembly comprises a flexible water pad, the flexible water pad is fixedly connected with the buffer rod, a sponge block is arranged above the flexible water pad, and an inner lining framework is arranged on the inner wall of the flexible water pad.
[0017] In the above technical solution, when the chin is held on the flexible water pad, the two sides of the flexible water pad are attached to the two sides of the patient's cheeks, so that the held chin has a stabilizing effect, and the efficiency and comfort during detection of the ophthalmic patient are improved.
[0018] As a further preferred embodiment of the present technical solution, a baffle is fixedly connected to one end of the flexible water pad close to the main body of the ophthalmic instrument, and a water pipe is arranged at the end of the flexible water pad away from the main body of the ophthalmic instrument.
[0019] The baffle is arranged to block the lower jaw, avoids over-supporting and deviation, and the water pipe is arranged to discharge and inject water in the flexible water pad.
[0020] The utility model provides a convenient ophthalmic instrument accessory of adjusting has the following beneficial effects:
[0021] (1)The utility model discloses an ophthalmic instrument accessory adjusting device is installed, can adjust according to the face of patient, make the eye be located instrument detection, and detection personnel can start small -size motor through control switch when adjusting, and then make the lower jaw of holding can follow the removal, until the eye of patient is aimed at instrument detection, and detection personnel can stare at the display screen until the eye aims at and can stop the start of small -size motor, convenient adjustment, alleviate the trouble phenomenon when adjusting.
[0022] (2)The utility model discloses a protection assembly is arranged, when the lower jaw of patient is pressed on the lower jaw support component, can alleviate the impact of placing, plays a certain protection effect to the lower jaw of patient, and the lower jaw support component additionally arranged can further protect the lower jaw of patient, when the lower jaw is held on the flexible water pad, makes the flexible water pad two sides adhere to the two sides of the patient's face, makes the lower jaw of holding have stable effect, improves the efficiency and the comfort degree when ophthalmic patient detects. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is the overall structure schematic diagram of the utility model;
[0024] Figure 2 It is the structure schematic diagram of the ophthalmic instrument accessory adjusting device of the utility model;
[0025] Figure 3 It is the enlarged view of A of the utility model;
[0026] Figure 4 It is the partial section view of protection assembly and lower jaw support component of the utility model;
[0027] Figure 5 It is the enlarged view of B of the utility model;
[0028] In the drawing: 1, base; 2, ophthalmic instrument main part; 3, ophthalmic instrument accessory adjusting device; 31, fixed seat; 32, vertical rod; 321, cavity; 322, screw rod; 323, sleeve; 324, sliding sleeve; 325, rotating rod; 326, bevel gear set; 327, small -size motor; 33, support plate; 34, protection assembly; 35, lower jaw support component; 36, positioning plate; 37, cushion block; 38, handrail; 341, round cylinder; 342, spring; 343, buffer rod; 351, flexible water pad; 352, sponge block; 353, baffle; 354, water pipe; 355, inner lining framework. Detailed Implementation
[0029] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0030] This utility model provides a technical solution: such as Figure 1 As shown in this embodiment, an easily adjustable ophthalmic instrument accessory includes a base 1, an ophthalmic instrument body 2 is mounted on one end of the base 1, and an ophthalmic instrument accessory adjustment device 3 is fixedly mounted on the other end of the base 1.
[0031] like Figure 2 and Figure 3 As shown, the ophthalmic instrument accessory adjustment device 3 includes a fixed base 31, with uprights 32 fixedly connected to both ends of the fixed base 31. A cavity 321 is formed inside one end of the upright 32, and a lead screw 322 is installed inside the cavity 321. A sleeve 323 is threadedly connected to the outer wall of the lead screw 322, and a sliding sleeve 324 is fixedly connected to the outer side of the sleeve 323. The inner wall of the sliding sleeve 324 is slidably connected to the upright 32. A support plate 33 is fixedly connected between the two sliding sleeves 324. Protective components 34 are installed in the circular grooves at the four corners of the support plate 33. A jaw support component 35 is fixedly installed on the top side of the protective component 34. A positioning plate 36 is fixedly connected to the upper end between the two uprights 32, and a pad 37 is provided on the outer surface of the positioning plate 36. A handrail 38 is fixedly connected to the lower end between the two uprights 32. Two armrests 38 are symmetrically arranged. A rotating rod 325 is provided on the bottom side of the lead screw 322. The rotating rod 325 passes through the upright 32 and extends into the groove at one end of the fixed base 31. A bevel gear set 326 is provided at the bottom of the rotating rod 325. The input end of the bevel gear set 326 passes through the fixed base 31 and is equipped with a small motor 327. By installing the ophthalmic instrument accessory adjustment device 3, it can be adjusted according to the patient's face so that the eyes are located at the instrument detection point. During adjustment, the examiner can start the small motor 327 by controlling the switch, so that the supported chin can follow the movement until the patient's eyes are aligned with the instrument detection point. During adjustment, the examiner can keep their eyes on the display screen until the eyes are aligned, and then stop the small motor 327 from starting. This facilitates adjustment and reduces the trouble of adjustment.
[0032] like Figure 4 and Figure 5As shown, the protection assembly 34 includes a circular cylinder 341, the spring 342 is embedded in the circular cylinder 341, and the buffer rod 343 is embedded above the spring 342, the chin support assembly 35 includes a flexible water pad 351, the flexible water pad 351 is fixedly connected with the buffer rod 343, the sponge block 352 is arranged above the flexible water pad 351, the inner lining framework 355 is arranged on the inner wall of the flexible water pad 351, the baffle 353 is fixedly connected to one end of the flexible water pad 351 close to the ophthalmic instrument main body 2, and the water pipe 354 is arranged at one end of the flexible water pad 351 away from the ophthalmic instrument main body 2, when the patient's chin is pressed on the chin support assembly 35, the protection assembly 34 can reduce the impact when placed, and the chin of the patient is protected to a certain extent, and the chin support assembly 35 can further protect the chin of the patient, when the chin is supported on the flexible water pad 351, the flexible water pad 351 is attached to the sides of the patient's cheeks, so that the supported chin has a stable effect, and the efficiency and comfort of the ophthalmic patient detection are improved.
[0033] The utility model provides a kind of ophthalmic instrument accessory of convenient adjustment, specific working principle is as follows: when ophthalmic patient detection, chin is pressed on sponge block 352, the spring 342 is arranged to protect the chin of patient, reduce the influence of impact on chin, then press with strength so that flexible water pad 351 two sides are attached to the patient's cheeks;When adjusting, detection personnel start small motor 327 by control switch, rotate screw rod 322 by bevel gear set 326, so that sleeve 323 moves on screw rod 322, so that sliding sleeve 324 pulls support plate 33 to move up and down, i.e. patient's face can be adjusted, until the eyes of patient are located instrument detection port, detection personnel can stop small motor 327 and observe eye.
[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An easily adjustable ophthalmic instrument accessory, comprising a base (1), characterized in that: The base (1) has an ophthalmic instrument body (2) installed at one end, and an ophthalmic instrument accessory adjustment device (3) fixedly installed at the other end of the base (1); The ophthalmic instrument accessory adjustment device (3) includes a fixed base (31), with a vertical rod (32) fixedly connected to both the front and rear ends of the fixed base (31). A cavity (321) is opened in one end of the vertical rod (32), and a lead screw (322) is provided in the cavity (321). A sleeve (323) is threadedly connected to the outer wall of the lead screw (322), and a sliding sleeve (324) is fixedly connected to the outer side of the sleeve (323). The inner wall of the sliding sleeve (324) is slidably connected to the vertical rod (32). A support plate (33) is fixedly connected between the two sliding sleeves (324). A protective component (34) is installed in the circular groove at the four corners of the middle part of the support plate (33), and a jaw support component (35) is fixedly installed on the top side of the protective component (34).
2. The easily adjustable ophthalmic instrument accessory according to claim 1, characterized in that: A positioning plate (36) is fixedly connected to the upper end between the two uprights (32), and a pad (37) is provided on the outer surface of the positioning plate (36).
3. The easily adjustable ophthalmic instrument accessory according to claim 1, characterized in that: Handrails (38) are fixedly connected to the lower ends of the two uprights (32), and the two handrails (38) are arranged symmetrically.
4. The easily adjustable ophthalmic instrument accessory according to claim 1, characterized in that: A rotating rod (325) is provided on the bottom side of the lead screw (322). The rotating rod (325) passes through the upright (32) and extends into the groove at one end of the fixed seat (31). A bevel gear set (326) is provided at the bottom of the rotating rod (325). The input end of the bevel gear set (326) passes through the fixed seat (31) and is provided with a small motor (327).
5. The easily adjustable ophthalmic instrument accessory according to claim 1, characterized in that: The protective component (34) includes a cylindrical tube (341), each of which is embedded with a spring (342), and each of which is embedded with a buffer rod (343).
6. The easily adjustable ophthalmic instrument accessory according to claim 1, characterized in that: The jaw support assembly (35) includes a flexible water pad (351), which is fixedly connected to a buffer rod (343). A sponge block (352) is provided above the flexible water pad (351), and an inner lining skeleton (355) is provided on the inner wall of the flexible water pad (351).
7. The easily adjustable ophthalmic instrument accessory according to claim 6, characterized in that: A baffle (353) is fixedly connected to one end of the flexible water pad (351) near the ophthalmic instrument body (2), and a water pipe (354) is provided at the other end of the flexible water pad (351) away from the ophthalmic instrument body (2).
Citation Information
Patent Citations
Chin supporting and adjusting mechanism for ophthalmic vision detection
CN211299907U