CN213696861U - Optometry instrument for ophthalmology - Google Patents

Abstract

The application relates to an ophthalmic refractometer, it includes base, computer refractometer and synthesizes the refractometer, computer refractometer and synthesize the refractometer and all set up on the base, synthesize the refractometer including optometry dish and roof-rack, the roof-rack sets up on the base, optometry dish sets up on the roof-rack, still be provided with on the base and cover the device, it is used for hiding the optometry dish to cover the device. The optical disc testing device and the optical disc testing method can reduce the situation that the lenses and parts on the optical disc are stained with dust.

Description

Optometry instrument for ophthalmology

Technical Field

The application relates to the field of medical equipment, in particular to an ophthalmic refractometer.

Background

With the continuous development of science and technology, the complete popularization of electronic products such as mobile phones and computers has greatly influenced the eye health of people despite enriching the entertainment life of people. Glasses are often worn after the eyes are myopic, and the diopter of the glasses is usually measured by using an optometric instrument before selecting the proper glasses.

An optometer is an ophthalmic device for examining the convergence of light rays after they enter the eyeball, and measures the convergence/divergence difference between the eye to be examined and the emmetropic eye, based on the emmetropic eye state. The refractometer mainly comprises a computer refractometer and a comprehensive refractometer, wherein the computer refractometer belongs to an objective refractometry method, can quickly measure the approximate dioptric error degree, but has low precision and is often used as a primary basis for providing prescription for prescription preparation; the comprehensive optometry instrument belongs to a subjective optometry method, has longer measuring time, more accurate and scientific data, better meets the actual refractive requirements of people, and is the gold standard of optometry lens prescription.

The publication No. CN109091104A discloses an ophthalmic refractometer, including computer refractometer, comprehensive refractometer, projecting apparatus and base, be provided with the stand on the base, the stand is established to the bushing type stand, be equipped with the sleeve pipe on the stand, be equipped with fastening bolt on the sleeve pipe, be equipped with computer refractometer on the stand, computer refractometer top is equipped with the backup pad, backup pad one side is equipped with the bracing piece, the bracing piece top is equipped with the support arm, the support arm lower part is equipped with the support arm, comprehensive refractometer is connected to the support arm, be equipped with the pole setting on the base, be equipped with the layer board in the pole setting, be equipped with the projecting apparatus on the layer board, be equipped with fastening bolt on the support arm, be equipped with the. The equipment has the advantages of simple structure, convenient use, good stability and high reliability.

In view of the above-mentioned related arts, the inventor believes that when the phoropter is not used, since the optometry disk on the phoropter is exposed to the air for a long time, the lenses and parts on the optometry disk are easily contaminated by the dust in the air, thereby affecting the optometry result and causing errors in the measurement result.

SUMMERY OF THE UTILITY MODEL

In order to reduce the condition that lens and spare part on the optometry dish are infected with the dust, this application provides an ophthalmic optometry appearance.

The application provides an ophthalmology refractometer adopts following technical scheme:

the utility model provides an ophthalmic refractometer, includes computer refractometer, synthesizes refractometer and base, computer refractometer and comprehensive refractometer all set up on the base, synthesize the refractometer including optometry dish and roof-rack, the roof-rack sets up on the base, optometry dish sets up on the roof-rack, still be provided with on the base and cover the device, it is used for coveing optometry dish to cover the device.

Through adopting above-mentioned technical scheme, when synthesizing the optometry appearance and need not use, utilize to cover the device and cover optometry dish to lens and spare part on the optometry dish are infected with the dust, cause the condition emergence of optometry result production error.

Optionally, the covering device includes a covering portion and a driving assembly, and the driving assembly is used for driving the covering portion to move so as to cover the optical inspection disk.

By adopting the technical scheme, when the optometry is carried out, the covering part is moved away from the optometry disk by using the driving assembly; when the comprehensive optometry instrument is not required to be used, medical staff move the covering part to cover the optometry disk by driving the driving assembly, so that different conditions can be conveniently dealt with, and the optometry disk is protected in time.

Optionally, be provided with the stand on the base, be provided with the crossbeam on the stand, the length direction and the stand of crossbeam are mutually perpendicular, it is connected with the crossbeam to examine the CD, the portion of hiding includes the box, the cavity has been seted up in the box, the cavity is used for placing the CD, still be provided with the support column on the base, the length direction of support column is unanimous with the length direction of stand, the shifting chute has been seted up on the box, the length direction of shifting chute is unanimous with the length direction of support column, just shifting chute and support column looks adaptation, the box passes through the shifting chute and slides the setting on the support column.

By adopting the technical scheme, the optometry disk is placed in the cavity of the box body, so that the optometry disk is conveniently covered; the box slides through the shifting chute and sets up on the support column, stability when having improved the removal.

Optionally, drive assembly is including rotating piece, dwang, gear and rack, it is used for driving the dwang to rotate the piece, the rack sets up on the inner wall of shifting chute, the dwang rotates and sets up in the support column, the length direction of dwang is unanimous with the length direction of crossbeam, it sets up the one end that extends to outside the support column on the dwang to rotate the piece, the gear rotates the other end that sets up in the dwang is located the support column, the gear meshes with the rack mutually.

By adopting the technical scheme, when the optometry disk is not needed to be used, medical staff drives the rotating rod to rotate through the rotating part to drive the gear on the rotating rod to rotate, the gear is meshed with the rack, the gear rotates to drive the box body to move downwards until the box body completely covers the optometry disk, the box body is utilized to cover the optometry disk, and the phenomenon that the lenses and parts on the optometry disk are polluted by dust is reduced to a certain extent, so that errors are generated in optometry results; when detection is needed, medical staff rotates the rotating piece to drive the box body to move upwards, and then the medical staff can start to use the device, so that the flexibility of the device is improved.

Optionally, the rotating part comprises a motor, and an output shaft of the motor is coaxially arranged at one end of the rotating rod, which extends out of the supporting column.

Through adopting above-mentioned technical scheme, staff's starter motor can drive the dwang and rotate, and simple easy operation, labour saving and time saving has improved medical staff's work efficiency.

Optionally, the box body is further provided with a supporting piece, the supporting piece comprises a first supporting bolt, and the first supporting bolt penetrates through the side wall of the box body and then supports the supporting column tightly.

Through adopting above-mentioned technical scheme, utilize first tight bolt of supporting to fix the box, the condition emergence of box landing when having avoided the patient to carry out the optometry to a certain extent has improved the stability and the security of equipment.

Optionally, the computer optometry unit includes a detection window and a head support frame, the detection window is arranged on the base, the head support frame is provided with a chin support and a forehead support, the head support frame is further provided with a lifting device, and the lifting device is used for adjusting the height of the chin support.

Through adopting above-mentioned technical scheme, the patient is using computer optometry appearance to examine time measuring, places the head on the head support frame, utilizes elevating gear to adjust the height of chin support in order to adapt to the size of different patients face, makes patient's chin put on the chin support, and forehead support is hugged closely to the forehead, can begin to detect, has improved the suitability of equipment.

Optionally, the lifting device comprises an air cylinder, the air cylinder is used for driving the chin support to lift, and the air cylinder is arranged on the head support frame.

Through adopting above-mentioned technical scheme, open the cylinder, thereby utilize the flexible height of adjusting the chin support of the piston rod of cylinder, the drive mode is simple, has improved medical staff's work efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the comprehensive optometry instrument is not needed to be used, the optometry disk is covered by the covering device, so that the error of an optometry result caused by dust on lenses and parts on the optometry disk is reduced;

2. when the optometry disk is not used, medical staff drives the rotating rod to rotate through the rotating part to drive the gear on the rotating rod to rotate, the gear is meshed with the rack, the gear rotates to drive the box body to move downwards, the box body stops rotating until the optometry disk is completely covered by the box body, the box body is used for covering the optometry disk, and the condition that the lenses and parts on the optometry disk are stained with dust is reduced to a certain extent, so that errors are generated in optometry results; when detection is needed, medical staff can start to use the medical equipment by rotating the rotating piece to drive the box body to move upwards, so that the flexibility of the medical equipment is improved;

3. when the patient uses the computer optometry instrument to detect, place the head on the head support frame, utilize elevating gear to adjust the height of chin support in order to adapt to the size of different patients 'faces, make patient's chin put on the chin support, forehead support is hugged closely to the forehead, can begin to detect, has improved the suitability of equipment.

Drawings

Fig. 1 is a schematic structural view of an ophthalmic refractometer according to an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view for showing a covering device according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partial schematic view illustrating that the stand column is rotatably disposed on the fixing block after the base and the covering device are hidden according to the embodiment of the application.

Description of reference numerals: 1. a base; 11. a support pillar; 111. a limiting strip; 2. a computer optometry unit; 21. detecting a window; 22. a head support; 221. a chin support; 222. a forehead support; 223. a cylinder; 3. a comprehensive optometry unit; 31. testing the optical disk; 32. a top frame; 4. a fixed block; 41. a column; 411. a cross beam; 4111. a top pillar; 42. accommodating grooves; 421. rotating the column; 4211. a rubber ring; 43. a second holding bolt; 5. a covering device; 51. a box body; 511. a moving groove; 512. a limiting groove; 513. a first holding bolt; 52. a drive assembly; 521. a motor; 522. rotating the rod; 523. a gear; 524. a rack.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses ophthalmic refractometer. Referring to fig. 1, an ophthalmic refractometer comprises a base 1, a computer refractometer 2 and a comprehensive refractometer 3, wherein the computer refractometer 2 comprises a detection window 21 and a head support frame 22, the detection window 21 is arranged on the base 1, and the head support frame 22 is arranged on one side of the base 1 close to the detection window 21; synthesize optometry appearance 3 including optometry dish 31 and roof-rack 32, the top of base 1 is provided with fixed block 4, be provided with stand 41 on the fixed block 4, the length direction perpendicular to base 1's of stand 41 top surface, be provided with crossbeam 411 on the stand 41, the length direction and the stand 41 of crossbeam 411 are mutually perpendicular, the one end rotation of keeping away from stand 41 on the crossbeam 411 is provided with the fore-set 4111, roof-rack 32 and fore-set 4111 fixed connection, optometry dish 31 suspends in midair on roof-rack 32.

Combine together computer optometry appearance 2 and synthesize optometry appearance 3, improved the functionality of equipment, the patient need not change the place after utilizing computer optometry appearance 2 to detect the completion, can continue to use and synthesize optometry appearance 3 and detect, has not only reduced check-out time, has still improved medical staff's work efficiency.

Referring to fig. 1, the head support frame 22 is provided with a chin support 221 and a forehead support 222, and the head support frame 22 is further provided with a lifting device for adjusting the height of the chin support 221; specifically, the lifting device is a cylinder 223, the cylinder 223 is disposed in the head support frame 22, and a piston rod of the cylinder 223 is connected with the chin support 221.

When the patient uses the computer optometry 2 to detect, the head is placed on the head support frame 22, the medical staff utilizes the lifting device to adjust the height of the chin support 221 so as to adapt to the face sizes of different patients, the chin of the patient is placed on the chin support 221, the forehead is tightly attached to the forehead support 222, and the detection can be started, so that the computer optometry device is convenient to use by different patients.

Referring to fig. 2, the base 1 is further provided with a support column 11, the length direction of the support column 11 is consistent with the length direction of the upright column 41, the support column 11 is provided with a covering device 5, and the covering device 5 is used for covering the optical inspection disk 31; as an embodiment of the covering device 5, the covering device 5 includes a covering portion and a driving assembly 52, the driving assembly 52 is used for driving the covering portion to move up and down so as to cover the optometry disk 31; specifically, the cover portion is a box body 51, a chamber is formed in the box body 51 and used for placing the optometry disk 31, a moving groove 511 is formed in the box body 51, the length direction of the moving groove 511 is consistent with the length direction of the support column 11, the support column 11 is matched with the moving groove 511, and the box body 51 is arranged on the support column 11 in a sliding mode through the moving groove 511.

Referring to fig. 2 and 3, in order to increase the stability of the box body 51 during up-and-down movement, the inner walls of the two sides of the box body 51 close to the moving groove 511 are both provided with a limiting groove 512, the length direction of the limiting groove 512 is consistent with the length direction of the sliding groove, the two sides of the supporting column 11 close to the limiting groove 512 are both provided with a limiting strip 111, and the limiting strip 111 is matched with the limiting groove 512; utilize spacing groove 512 to carry on spacingly to spacing 111, improved the stability of box 51 when removing on support column 11, rocked the condition emergence that drops even about when having avoided box 51 to a certain extent to remove.

Referring to fig. 3, as an embodiment of the driving assembly 52, the driving assembly 52 includes a rotating member for driving the rotating member 522 to rotate, a rotating member 522, a gear 523, and a rack 524; the rack 524 is arranged on the inner side wall of the moving groove 511, the rotating rod 522 is rotatably arranged in the supporting column 11, the length direction of the rotating rod 522 is consistent with that of the cross beam 411, the rotating part is arranged at one end of the rotating rod 522 extending out of the supporting column 11, the gear 523 is rotatably arranged at one end of the rotating rod 522 positioned in the supporting column 11, and the gear 523 is meshed with the rack 524.

Referring to fig. 3, as an embodiment of the rotating member, the rotating member is a motor 521, an output shaft of the motor 521 is coaxially disposed at one end of the rotating rod 522 extending out of the supporting column 11, and the rotating rod 522 can be driven to rotate by turning on the motor 521, which is simple and easy to operate, and improves the working efficiency of medical staff.

When the comprehensive optometry instrument 3 is not used, the box body 51 is positioned right above the optometry disk 31, medical staff starts the motor 521, the output shaft of the motor 521 rotates to drive the gear 523 on the rotating rod 522 to rotate, and the gear 523 is meshed with the rack 524, so that the gear 523 rotates to drive the box body 51 to move downwards until the box body 51 completely covers the optometry disk 31, the box body 51 is utilized to cover the optometry disk 31, and the phenomenon that the lenses and parts on the optometry disk 31 are polluted by dust is reduced to a certain extent, and the optometry result generates errors is caused; when the use is needed, the starting motor 521 drives the box body 51 to move upwards in the same way, and then the use can be started.

As another embodiment of the rotating member, the rotating member is a handle, the handle includes a hand-held rod, a rotating disc and a rotating shaft, the rotating shaft is coaxially disposed at one end of the rotating rod 522 extending out of the supporting column 11, the rotating disc is disposed on the rotating shaft, the hand-held rod is connected with the rotating disc, and the handle can be driven to rotate by the hand-held rod; compared with the former embodiment, the embodiment can facilitate accurate adjustment of the lifting distance of the box body 51, and has high applicability, but the schematic diagram of the embodiment is not shown in the drawings of the embodiments of the present application.

Referring to fig. 2, still be provided with the piece of keeping silent on the lateral wall of box 51, the piece of keeping silent is first to support tight bolt 513, and first support tight bolt 513 passes and supports tightly on support column 11 behind the lateral wall of box 51, utilizes first tight bolt 513 of supporting to fix box 51, and the condition that box 51 landing when having avoided the patient to carry out optometry takes place to a certain extent, has improved the stability and the security of equipment.

Referring to fig. 1 and 4, in order to adjust the distance between the optometry disk 31 and the patient, the upright post 41 is rotatably disposed on the fixed block 4, the fixed block 4 is provided with an accommodating groove 42, the inner side wall of the accommodating groove 42 is provided with a rotating post 421, the length direction of the rotating post 421 is perpendicular to the length direction of the upright post 41, one end of the upright post 41 close to the rotating post 421 is rotatably sleeved on the rotating post 421, two sides of the rotating post 421 close to the upright post 41 are provided with rubber rings 4211, the rubber rings 4211 are used for preventing the upright post 41 and the rotating post 421 from rotating relatively, the upright post 41 is extruded by the rubber rings 4211, and as the friction force between the upright post 41 and the rubber rings 4211 at the two sides is greater than the gravity of the upright post 41, the upright post 41 can be kept; the side wall of the fixing block 4 is further provided with a second abutting bolt 43, and the second abutting bolt 43 penetrates through the side wall of the fixing block 4 and then abuts against the side wall of the upright post 41, so that the stability of the upright post 41 controlled at any angle is improved, and the rotation of the upright post 41 during detection is reduced to a certain extent.

Referring to fig. 4, similarly, the embodiment in which the top pillar 4111 is rotatably disposed on the cross beam 411 is completely the same as the embodiment in which the upright post 41 is rotatably disposed on the fixed block 4, and it can be understood by those skilled in the art after looking at fig. 4, and thus, the description thereof is omitted.

The upright post 41 is rotatably arranged on the fixed block 4, so that when the optometry disk 31 is used for testing, the upright post 41 can be conveniently rotated at any time to adjust the height of the optometry disk 31, and the optometry disk is suitable for patients with different heights; by rotating the top column 4111, the angle of the optometry disk 31 on the cross beam 411 can be adjusted conveniently, so that the flexibility of the device is improved.

The implementation principle of the optometry instrument for ophthalmology in the embodiment of the application is as follows: when a patient needs to use the computer optometry 2 for detection, the head of the patient is placed on the head support frame 22, medical staff utilizes the piston rod of the air cylinder 223 to telescopically adjust the height of the chin support 221, so that the chin of the patient is placed on the chin support 221, and the forehead is tightly attached to the forehead support 222, and detection can be started; after the detection is finished, when the comprehensive optometry unit 3 needs to be used for detection, the medical staff can adjust the optometry disk 31 of the comprehensive optometry unit 3 to a proper position by rotating the upright post 41 and the top post 4111, and then the detection can be started.

After the detection is finished, when the comprehensive optometry instrument 3 is not needed to be used, the optometry disk 31 is reset, medical staff drives the rotating rod 522 to rotate through the motor 521, the gear 523 on the rotating rod 522 is driven to rotate, and the gear 523 is meshed with the rack 524, so that the gear 523 rotates to drive the box body 51 to move downwards, and the box body 51 stops rotating until the optometry disk 31 is completely covered by the box body 51; when the use is needed, the box body 51 is driven to move upwards by rotating the hand-held rod 5211 of the rocking handle 521, and then the use can be started; the case 51 is used for covering the optometry disk 31, so that the phenomenon that the lenses and parts on the optometry disk 31 are contaminated by dust to cause errors of optometry results is reduced to a certain extent.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an ophthalmic refractometer, includes base (1), computer refractometer (2) and synthesizes refractometer (3), computer refractometer (2) and synthesize refractometer (3) and all set up on base (1), synthesize refractometer (3) including optometry dish (31) and roof-rack (32), roof-rack (32) set up on the base, optometry dish (31) set up on roof-rack (32), its characterized in that: still be provided with cover device (5) on base (1), cover device (5) are used for hiding optometry dish (31).

2. An ophthalmic optometric instrument of claim 1, wherein: the covering device (5) comprises a covering part and a driving assembly (52), wherein the driving assembly (52) is used for driving the covering part to move so as to cover the optometry disk (31).

3. An ophthalmic optometric instrument of claim 2, wherein: the base (1) is provided with a vertical column (41), the vertical column (41) is provided with a cross beam (411), the length direction of the cross beam (411) is vertical to the upright post (41), the optometry disk (31) is connected with the cross beam (411) through the top frame (32), the covering part comprises a box body (51), a chamber is arranged in the box body (51), the chamber is used for placing an optometry disk (31), the base (1) is also provided with a support column (11), the length direction of the supporting column (11) is consistent with the length direction of the upright column (41), a moving groove (511) is arranged on the box body (51), the length direction of the moving groove (511) is consistent with the length direction of the supporting column (11), the moving groove (511) is matched with the supporting column (11), and the box body (51) is arranged on the supporting column (11) in a sliding mode through the moving groove (511).

4. An ophthalmic optometric instrument of claim 3, wherein: drive assembly (52) are including rotating piece, dwang (522), gear (523) and rack (524), it is used for driving dwang (522) to rotate the piece, rack (524) set up on the inner wall of shifting chute (511), dwang (522) are rotated and are set up in support column (11), the length direction of dwang (522) is unanimous with the length direction of crossbeam (411), it sets up the one end that extends to support column (11) outside on dwang (522) to rotate the piece, gear (523) rotate the other end that sets up in dwang (522) and are located support column (11), gear (523) mesh with rack (524).

5. An ophthalmic optometric instrument of claim 4, wherein: the rotating part comprises a motor (521), and an output shaft of the motor (521) is coaxially arranged at one end of the rotating rod (522) extending out of the supporting column (11).

6. An ophthalmic optometric instrument of claim 3, wherein: the box body (51) is further provided with a propping piece, the propping piece comprises a first propping bolt (513), and the first propping bolt (513) penetrates through the side wall of the box body (51) and then props against the supporting column (11).

7. An ophthalmic optometric instrument of claim 1, wherein: the computer optometry unit (2) comprises a detection window (21) and a head support frame (22), the detection window (21) is arranged on the base (1), a chin support (221) and a forehead support (222) are arranged on the head support frame (22), and a lifting device is further arranged on the head support frame (22) and used for adjusting the height of the chin support (221).

8. An ophthalmic optometric instrument of claim 7, wherein: the lifting device comprises a cylinder (223), the cylinder (223) is used for driving the chin support (221) to lift, and the cylinder (223) is arranged on the head support frame (22).

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