Photographing device for ophthalmic examination

Abstract

The invention relates to the technical field of ophthalmic examination auxiliary tools, and discloses an ophthalmic examination photographing device which comprises a base assembly, lock catches are installed at the two ends of the base assembly, a dustproof shell is arranged at the top of the base assembly, and transparent observation windows are embedded in the outer walls of the periphery of the dustproof shell. A handle is rotationally connected to the outer wall of the dustproof shell, an ophthalmology examination assembly is arranged on the inner wall of the dustproof shell, mounting blocks are clamped to the outer walls of the two sides of the dustproof shell, and rotating blocks are rotationally connected to the inner walls of the mounting blocks through adjusting bolts. By pulling the distance adjusting handle, the distance adjusting handle can drive the rotating shaft to rotate, then the rotating block can be started to rotate, the adjusting rod can drive the rotating shaft to rotate, the distance between the two fixing blocks can be adjusted, and then the interpupillary distance between the two corneal topography instruments can be adjusted. The device can be suitable for being used by people of different age groups, and high-quality and low-cost inspection work is achieved through the device.

Description

Technical Field

[0001] The present invention relates to the technical field of ophthalmic examination auxiliary tools, and particularly to an ophthalmic examination photographing device. Background Art

[0002] Ophthalmic examination photographing devices play a crucial role in modern ophthalmic diagnosis, especially in the fields of retinal imaging and fundus examination.

[0003] With the increasing incidence of ophthalmic diseases, the demand for high-end ophthalmic examination equipment continues to grow, leading to an increase in the demand for primary medical care. However, the existing ophthalmic examination photographing devices are not convenient to move to the positions required at the primary level, thus leaving the medical needs at the primary level unresolved. At the same time, the existing ophthalmic examination photographing devices have poor applicability and cannot be accurately applied to different age groups, so they need to be improved. Summary of the Invention

[0004] The present invention provides an ophthalmic examination photographing device to solve the problems raised in the above background art.

[0005] The present invention provides the following technical solution: An ophthalmic examination photographing device includes a base assembly. Both ends of the base assembly are installed with locking catches. A dust-proof housing is provided on the top of the base assembly. Transparent observation windows are inlaid on the outer walls around the dust-proof housing. A handle is rotatably connected to the outer wall of the dust-proof housing. An ophthalmic examination assembly is provided on the inner wall of the dust-proof housing. Mounting blocks are snap-connected to the outer walls on both sides of the dust-proof housing. A rotating block is rotatably connected to the inner wall of the mounting block through an adjusting bolt. Movable wheels are fixedly assembled on the outer wall of the rotating block.

[0006] As a preferred technical solution of the present invention: The transparent observation window is made of soft PVC and is transparent. A groove is provided on the outer wall of the dust-proof housing, and the inner wall of the groove is made of iron. A magnet is inlaid on the outer edge of one end of the handle close to the transparent observation window, and the handle is located inside the groove.

[0007] As a preferred technical solution of the present invention: The base assembly includes a chassis. A cross plate is fixedly assembled at the center of the chassis. A limiting groove is provided on the top of the cross plate. One end of a limiting rod is snap-connected to the inner wall of the limiting groove, and the other end of the limiting rod is installed with a tabletop through a fixed clamping plate. A baffle is fixedly assembled on the top of the tabletop.

[0008] As a preferred technical solution of the present invention: Card slots are provided at both ends of the chassis. An extension plate is snap-connected to the inner wall of the card slot. Fixed bolts are installed at both ends of the chassis. Table legs are rotatably connected to the inner walls on both sides of the chassis through the fixed bolts. A limiting plate is fixedly assembled at the center of the table leg.

[0009] As a preferred technical solution of the present invention: The fixed clamping plate is fixedly installed at the bottom of the tabletop, and the limiting rod is inserted into the inner wall of the fixed clamping plate. There are six limiting grooves, and the six limiting grooves are evenly distributed on the outer wall of the cross plate. The number of the clamping grooves and the extension plates is two each, and the two clamping grooves and the extension plates are symmetrically distributed at both ends of the chassis. When the table leg rotates 110 degrees, it contacts the bottom when placed on the inner wall of the extension plate in the chassis.

[0010] As a preferred technical solution of the present invention: The ophthalmic examination assembly includes a stable base. A display control screen and a central block are respectively installed on the top of the stable base. An adjustment handle is arranged on the outer wall of the central block. Both ends of the adjustment handle are rotatably connected to a rotating shaft. One end of the rotating shaft is rotatably connected to one end of a rotating block. The other end of the rotating block is rotatably connected to an adjusting rod. A rotating shaft is fixedly installed on the outer wall of the adjusting rod.

[0011] As a preferred technical solution of the present invention: A fixed block is fixedly assembled on the outer wall of the rotating shaft. A replacement assembly is arranged on the top of the fixed block. A lens barrel is installed at one end of the replacement assembly, and a corneal topographer is installed at the other end of the replacement assembly. A telescopic rod is fixedly installed on the top of the central block. A chin rest is arranged at the bottom of the outer wall of the telescopic rod. A forehead abutting block is arranged at the top of the telescopic rod.

[0012] As a preferred technical solution of the present invention: Both the corneal topographer and the telescopic rod are electrically connected to the display control screen. The number of the lens barrels and the corneal topographers is two each, and the two lens barrels and the corneal topographers are symmetrically distributed at both ends of the forehead abutting block. The forehead abutting block is located above the chin rest. The bottom of the stable base is installed on the top of the tabletop.

[0013] As a preferred technical solution of the present invention: The replacement assembly includes a housing. A micro motor is fixedly installed on the outer wall of the housing. A driving gear is fixedly assembled on the power output shaft of the micro motor. A rotating rod is fixedly installed at the center of the driving gear. A driven rack is meshed with the outer wall of the driving gear. A replacement plate is installed on the outer wall of the driven rack.

[0014] As a preferred technical solution of the present invention: The number of the replacement assemblies is two groups, and the two groups of replacement assemblies are symmetrically distributed at both ends of the chin rest. The micro motor is electrically connected to the display control screen. The two driving gears are rotatably sleeved on the inner walls of both sides of the housing. The replacement plate slides between the housing and the corneal topographer. The corneal topographer is communicated with the inner wall of the housing.

[0015] The present invention has the following beneficial effects: 1. The ophthalmic examination photographing device can drive the rotating shaft to rotate by pulling the distance adjustment handle, and then can start the rotating block to rotate, so that the adjusting rod can drive the rotating shaft to rotate, so that the distance between the two fixed blocks can be adjusted. Furthermore, the pupil distance between the two corneal topographers can be adjusted, making the device applicable to people of different ages and enabling the device to achieve high-quality and low-cost examination work.

[0016] 2. The ophthalmic examination photographing device can effectively increase the usage area of the device by inserting the extension plate into the inner wall of the card slot when the extension plate is on the outer wall of the chassis. When the device is not in use, the extension plate can be inserted into the inner wall of the card slot so that the extension plate is inside the chassis, ensuring that the extension plate does not occupy extra space. At this time, by rotating the fixing bolt, the table legs can be rotated into the chassis, and the outer wall of the limiting plate can abut against the bottom of the extension plate, enabling the device to be folded and stored, facilitating movement and transportation, and improving the practicality and functionality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the present invention; Figure 2 is a schematic diagram of the structure of the other side of the present invention; Figure 3 is a schematic diagram of the moving state structure of the present invention; Figure 4 is a schematic diagram of the internal structure of the present invention; Figure 5 is a schematic diagram of the base assembly structure of the present invention; Figure 6 is a partial sectional structural schematic diagram of the base assembly of the present invention; Figure 7 is a schematic diagram of the ophthalmic examination assembly structure of the present invention; Figure 8 is a schematic diagram of the replacement assembly structure of the present invention.

[0018] In the figure: 1. Base assembly; 2. Lock; 3. Dust-proof shell; 4. Transparent observation window; 5. Handle; 6. Ophthalmic examination assembly; 7. Mounting block; 8. Rotating block; 9. Adjusting bolt; 10. Movable wheel; 101. Chassis; 102. Cross plate; 103. Limiting groove; 104. Limiting rod; 105. Tabletop; 106. Fixed clamping plate; 107. Baffle; 108. Card slot; 109. Extension plate; 110. Fixed bolt; 111. Table leg; 112. Limiting plate; 61. Stable seat; 62. Display control screen; 63. Center block; 64. Distance adjustment handle; 65. Rotating shaft; 66. Rotating block; 67. Adjusting rod; 68. Rotating shaft; 69. Fixed block; 610. Replacement components; 611. Lens barrel; 612. Corneal topographer; 613. Telescopic rod; 614. Chin rest; 615. Forehead support block; 6101. housing; 6102. micro motor; 6103. driving gear; 6104. rotating rod; 6105. driven rack; 6106. replacement plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1 - Figure 8 , an ophthalmic examination photography device, comprising a base assembly 1, both ends of the base assembly 1 are equipped with lock buckles 2, the top of the base assembly 1 is provided with a dust cover 3, the outer walls of the dust cover 3 are all inlaid with transparent observation windows 4, the outer wall of the dust cover 3 is rotatably connected with a handle 5, the inner wall of the dust cover 3 is provided with an ophthalmic examination assembly 6, the outer walls of both sides of the dust cover 3 are clamped with mounting blocks 7, the inner wall of the mounting block 7 is rotatably connected with a rotating block 8 through an adjusting bolt 9, and the outer wall of the rotating block 8 is fixedly equipped with a moving wheel 10; In the above structure, by rotating the adjusting bolt 9 and removing the adjusting bolt 9 from the inner wall of the mounting block 7, the rotating block 8 can be rotated on the inner wall of the mounting block 7, and the rotating block 8 can be rotated from a state parallel to the base assembly 1 to a state perpendicular to the base assembly 1, so that the bottom of the moving wheel 10 can contact the ground, so that the device can be moved by pulling the handle 5.

[0021] In a preferred embodiment: the transparent observation window 4 is made of soft PVC, and the transparent observation window 4 is transparent, the outer wall of the dustproof shell 3 is provided with a groove, and the inner wall of the groove is made of iron, and the outer edge of one end of the handle 5 close to the transparent observation window 4 is inlaid with a magnet, and the handle 5 is located inside the groove; In the above structure, through the characteristics of the transparent observation window 4 made of soft PVC, it can be seen that the transparent observation window 4 has excellent elasticity while being transparent for easy observation of the inner wall of the dustproof shell 3. It can effectively absorb the impact force during a collision, thereby reducing collision damage, and further protecting the internal ophthalmic examination component 6 from being easily damaged.

[0022] In a preferred embodiment: The base assembly 1 includes a chassis 101. A cross plate 102 is fixedly assembled at the center of the chassis 101. A limiting groove 103 is formed at the top of the cross plate 102. One end of a limiting rod 104 is clamped to the inner wall of the limiting groove 103, and the other end of the limiting rod 104 is provided with a tabletop 105 through a fixing card plate 106. A baffle 107 is fixedly assembled on the top of the tabletop 105. In the above structure, by inserting one end of the limiting rod 104 into the inner wall of the fixing card plate 106 and clamping the other end of the limiting rod 104 to the inner wall of the limiting groove 103, the angle between the tabletop 105 and the chassis 101 can be changed, so that the device can be adjusted at different angles.

[0023] In a preferred embodiment: Clamping grooves 108 are formed at both ends of the chassis 101. An extension plate 109 is clamped to the inner wall of the clamping groove 108. Fixing bolts 110 are installed at both ends of the chassis 101. Table legs 111 are rotatably connected to the inner walls of both sides of the chassis 101 through the fixing bolts 110. A limiting plate 112 is fixedly assembled at the center of the table legs 111. In a preferred embodiment: The fixing card plate 106 is fixedly installed at the bottom of the tabletop 105, and the limiting rod 104 is inserted into the inner wall of the fixing card plate 106. There are six limiting grooves 103, and the six limiting grooves 103 are evenly distributed on the outer wall of the cross plate 102. The number of the clamping grooves 108 and the extension plates 109 is two each, and the two clamping grooves 108 and the extension plates 109 are symmetrically distributed at both ends of the chassis 101. When the table legs 111 are rotated by 110 degrees, they are in contact with the bottom when the extension plates 109 are placed on the inner wall of the chassis 101. In the above structure, by inserting the extension plate 109 into the inner wall of the clamping groove 108, when the extension plate 109 is on the outer wall of the chassis 101, the extension plate 109 can effectively increase the usage area of the device. When the device is not in use, the extension plate 109 can be inserted into the inner wall of the clamping groove 108 to make the extension plate 109 inside the chassis 101, so that the extension plate 109 does not occupy extra space. At this time, by rotating the fixing bolts 110, the table legs 111 can be rotated into the inner part of the chassis 101, so that the outer wall of the limiting plate 112 is in contact with the bottom of the extension plate 109, enabling the device to be folded and stored, which is convenient for movement and transportation.

[0024] In a preferred embodiment: The ophthalmic examination component 6 includes a stable base 61. A display control screen 62 and a central block 63 are respectively installed on the top of the stable base 61. An adjustable distance handle 64 is arranged on the outer wall of the central block 63. Both ends of the adjustable distance handle 64 are rotatably connected to a rotating shaft 65. The bottom of the rotating shaft 65 is rotatably connected to one end of a rotating block 66. The other end of the rotating block 66 is rotatably connected to an adjusting rod 67. A rotating shaft 68 is fixedly installed on the outer wall of the adjusting rod 67. In a preferred embodiment: A fixing block 69 is fixedly assembled on the outer wall of the rotating shaft 68. A replacement assembly 610 is provided at the top of the fixing block 69. One end of the replacement assembly 610 is equipped with an eyepiece tube 611, and the other end of the replacement assembly 610 is equipped with a corneal topographer 612. A telescopic rod 613 is fixedly installed at the top of the central block 63. A chin rest 614 is provided at the bottom of the outer wall of the telescopic rod 613, and a forehead abutting block 615 is provided at the top of the telescopic rod 613; In the above structure, by pulling the distance adjustment handle 64, the distance adjustment handle 64 can drive the rotating shaft 65 to rotate, and then the rotating block 66 can be started to rotate, so that the adjusting rod 67 can drive the rotating shaft 68 to rotate, so that the distance between the two fixing blocks 69 can be adjusted, and thus the pupil distance between the two corneal topographers 612 can be adjusted, making the device applicable to people of different ages.

[0025] In a preferred embodiment: Both the corneal topographer 612 and the telescopic rod 613 are electrically connected to the display control screen 62. The number of both the eyepiece tubes 611 and the corneal topographers 612 is two, and the two eyepiece tubes 611 and the corneal topographers 612 are symmetrically distributed at both ends of the forehead abutting block 615. The forehead abutting block 615 is located above the chin rest 614. The bottom of the stable base 61 is installed on the top of the table 105; In the above structure, by the display control screen 62 emitting a signal, the telescopic rod 613 can be started and can perform the work of lifting up and down, so that the forehead abutting block 615 can be lifted and lowered synchronously, making the device adjustable according to inspectors of different heights and having stronger applicability.

[0026] In a preferred embodiment: The replacement assembly 610 includes a housing 6101. A micro motor 6102 is fixedly installed on the outer wall of the housing 6101. A driving gear 6103 is fixedly assembled on the power output shaft of the micro motor 6102. A rotating rod 6104 is fixedly installed at the center of the driving gear 6103. A driven rack 6105 is engaged with the outer wall of the driving gear 6103. A replacement plate 6106 is installed on the outer wall of the driven rack 6105; In a preferred embodiment: The number of the replacement assemblies 610 is two groups, and the two groups of replacement assemblies 610 are symmetrically distributed at both ends of the chin rest 614. The micro motor 6102 is electrically connected to the display control screen 62. The two driving gears 6103 are rotatably sleeved on the inner walls of both sides of the housing 6101. The replacement plate 6106 slides between the housing 6101 and the corneal topographer 612, and the corneal topographer 612 is communicated with the inner wall of the housing 6101; In the above structure, by emitting a signal through the display control screen 62, the micro motor 6102 can be started to work, so that the driving gear 6103 can rotate, and the driving gear 6103 on the other side can be driven to rotate synchronously through the rotating rod 6104, so that the driven rack 6105 engaged therewith can move, and then the replacement plate 6106 can be driven to slide on the inner wall of the housing 6101, so that the shielding degree of the housing 6101 can be controlled, and thus the ophthalmic examination can be made more comprehensive.

[0027] Working principle: When using this device, the adjusting bolt 9 can be rotated and removed from the inner wall of the mounting block 7, so that the rotating block 8 can rotate on the inner wall of the mounting block 7, and the rotating block 8 can be rotated from a state parallel to the base assembly 1 to a state perpendicular to the base assembly 1, so that the bottom of the moving wheel 10 can contact the ground, and thus the device can be easily moved by pulling the handle 5. When it is moved to a suitable position, by rotating the fixing bolt 110, the table leg 111 can be rotated from the inner wall of the chassis 101 to contact the ground. At this time, the extension plate 109 can be inserted into the inner wall of the card slot 108. When the extension plate 109 is on the outer wall of the chassis 101, the extension plate 109 can effectively increase the usable area of the device. The dust-proof shell 3 can be removed from the top of the chassis 101 through the lock catch 2 to expose the ophthalmic examination component 6. By emitting a signal through the display control screen 62, the telescopic rod 613 can be started and can perform the work of lifting up and down, so that the forehead abutting block 615 can be lifted and lowered synchronously, so that the device can be adjusted according to the examiners of different heights. And by emitting a signal through the display control screen 62, the micro motor 6102 can be started to work, so that the driving gear 6103 can rotate, and the driving gear 6103 on the other side can be driven to rotate synchronously through the rotating rod 6104, so that the driven rack 6105 engaged therewith can move, and then the replacement plate 6106 can be driven to slide on the inner wall of the housing 6101, so that the shielding degree of the housing 6101 can be controlled, and thus the ophthalmic examination can be made more comprehensive. At the same time, by pulling the distance adjusting handle 64, the distance adjusting handle 64 can drive the rotating shaft 65 to rotate, and then the rotating block 66 can be started to rotate, so that the adjusting rod 67 can drive the rotating shaft 68 to rotate, so that the distance between the two fixing blocks 69 can be adjusted, and thus the pupil distance between the two corneal topographers 612 can be adjusted, so that the device can be suitable for people of different ages.

[0028] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0029] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ophthalmic examination photographing device, comprising a base assembly (1), characterized in that: Both ends of the base assembly (1) are equipped with latches (2). A dust-proof cover (3) is provided on the top of the base assembly (1). Transparent observation windows (4) are inlaid on the outer walls around the dust-proof cover (3). A handle (5) is rotatably connected to the outer wall of the dust-proof cover (3). An ophthalmic examination component (6) is provided on the inner wall of the dust-proof cover (3). Mounting blocks (7) are snap-connected to the outer walls on both sides of the dust-proof cover (3). A rotating block (8) is rotatably connected to the inner wall of the mounting block (7) through an adjusting bolt (9). A moving wheel (10) is fixedly assembled on the outer wall of the rotating block (8).

2. The ophthalmic examination photographing device according to claim 1, wherein: The transparent observation window (4) is made of soft PVC and is transparent. A groove is formed on the outer wall of the dust-proof cover (3), and the inner wall of the groove is made of iron. A magnet is inlaid on the outer edge of one end of the handle (5) close to the transparent observation window (4), and the handle (5) is located inside the groove.

3. An ophthalmic examination photographing device according to claim 1, characterized in that: The base assembly (1) includes a chassis (101). A cross plate (102) is fixedly assembled at the center of the chassis (101). A limiting groove (103) is formed on the top of the cross plate (102). One end of a limiting rod (104) is snap-connected to the inner wall of the limiting groove (103), and the other end of the limiting rod (104) is provided with a tabletop (105) through a fixed clamping plate (106). A baffle (107) is fixedly assembled on the top of the tabletop (105).

4. An ophthalmic examination photographing device according to claim 3, wherein: Slots (108) are formed at both ends of the chassis (101). An extension plate (109) is snap-connected to the inner wall of the slot (108). Fixing bolts (110) are installed at both ends of the chassis (101). Table legs (111) are rotatably connected to the inner walls on both sides of the chassis (101) through the fixing bolts (110). A limiting plate (112) is fixedly assembled at the center of the table leg (111).

5. An ophthalmic examination photographing device according to claim 4, characterized in that: The fixed clamping plate (106) is fixedly installed at the bottom of the tabletop (105), and the limiting rod (104) is inserted into the inner wall of the fixed clamping plate (106). The number of the limiting grooves (103) is six, and the six limiting grooves (103) are evenly distributed on the outer wall of the cross plate (102). The number of the slots (108) and the extension plates (109) is two each, and the two slots (108) and the extension plates (109) are symmetrically distributed at both ends of the chassis (101). The table leg (111) contacts the bottom of the extension plate (109) when placed on the inner wall of the chassis (101) after rotating 110 degrees.

6. The ophthalmic examination photographing device according to claim 1, wherein: The ophthalmic examination component (6) includes a stable seat (61). A display control screen (62) and a central block (63) are respectively installed on the top of the stable seat (61). An adjustable distance handle (64) is arranged on the outer wall of the central block (63). Both ends of the adjustable distance handle (64) are rotatably connected to a rotating shaft (65). One end of a rotating block (66) is rotatably connected to the bottom of the rotating shaft (65), and the other end of the rotating block (66) is rotatably connected to an adjusting rod (67). A rotating shaft (68) is fixedly installed on the outer wall of the adjusting rod (67).

7. The ophthalmic examination photographing device according to claim 6, wherein: A fixing block (69) is fixedly assembled on the outer wall of the rotating shaft (68). A replacement assembly (610) is provided at the top of the fixing block (69). One end of the replacement assembly (610) is equipped with an eyepiece tube (611), and the other end of the replacement assembly (610) is equipped with a corneal topographer (612). A telescopic rod (613) is fixedly installed at the top of the central block (63). A chin rest (614) is provided at the bottom of the outer wall of the telescopic rod (613). A forehead abutting block (615) is provided at the top of the telescopic rod (613).

8. An ophthalmic examination photographing device according to claim 7, characterized in that: Both the corneal topographer (612) and the telescopic rod (613) are electrically connected to the display control screen (62). The number of both the eyepiece tubes (611) and the corneal topographers (612) is two, and the two eyepiece tubes (611) and the corneal topographers (612) are symmetrically distributed at both ends of the forehead abutting block (615). The forehead abutting block (615) is located above the chin rest (614). The bottom of the stable seat (61) is installed on the top of the tabletop (105).

9. An ophthalmic examination photographing device according to claim 8, characterized in that: The replacement assembly (610) includes a housing (6101). A micro motor (6102) is fixedly installed on the outer wall of the housing (6101). A driving gear (6103) is fixedly assembled on the power output shaft of the micro motor (6102). A rotating rod (6104) is fixedly installed at the center of the driving gear (6103). A driven rack (6105) is engaged with the outer wall of the driving gear (6103). A replacement plate (6106) is installed on the outer wall of the driven rack (6105).

10. An ophthalmic examination photographing device according to claim 9, characterized in that: The number of the replacement assemblies (610) is two groups, and the two groups of replacement assemblies (610) are symmetrically distributed at both ends of the chin rest (614). The micro motor (6102) is electrically connected to the display control screen (62). The two driving gears (6103) are rotatably sleeved on the inner walls of both sides of the housing (6101). The replacement plate (6106) slides between the housing (6101) and the corneal topographer (612). The corneal topographer (612) is communicated with the inner wall of the housing (6101).

Images