Optometry disc convenient to install

Abstract

The utility model discloses an optometry disc convenient to install, and belongs to the field of optometry discs, the optometry disc convenient to install comprises a base, an installation device is arranged on the base, the installation device comprises a connecting plate, a sleeve is fixedly connected to the top of the connecting plate, a sliding rod is slidably connected to the inner wall of the sleeve, a fixing rod is fixedly connected to the top of the sliding rod, and a limiting rod is fixedly connected to the bottom of the fixing rod; an optometry disc body is arranged at the top of the connecting plate, and a sliding hole is formed in the top of the optometry disc body. The optometry disc has the advantages that accuracy and stability in the mounting process are guaranteed, the optometry disc body can be firmly fixed to the top of the connecting plate, time and labor cost required by manual operation are reduced, and accordingly the problems that mounting is troublesome, time and labor are wasted, demounting time depends on professionals, performance or safety of products is possibly affected, and the like are solved. And even product damage or faults are caused.

Description

Technical Field

[0001] This application relates to the field of ophthalmometers, and more particularly, to an ophthalmometer that is easy to install. Background Art

[0002] An ophthalmometer head is a vision examination device that integrates spherical lenses, cylindrical lenses, prism lenses, and various auxiliary lenses for optometry examinations and various adjustment components. By superimposing and combining the lenses on different turntables inside, the refractive state and visual function of the human eye can be examined. When the lenses are assembled onto the ophthalmometer head, an ophthalmometer is required. The existing connection method between the gear or the ophthalmometer and the lens uses a spot welding fixing method.

[0003] The patent document with the publication number CN220898671U discloses an ophthalmometer that does not require spot welding for fixing lenses of an ophthalmometer head, including a disk body, and an installation groove is provided on the disk body; a fixing component, the fixing component includes a fixing frame disposed inside the installation groove and at least one set of friction wheels, and the friction wheels are disposed on the fixing frame; wherein, a plurality of sets of elastic pressing pieces are arranged around the fixing frame, the lens is clamped between the elastic pressing pieces and the fixing frame, the friction wheel surface is in contact connection with the outer edge surface of the lens, and the friction wheel rotates and drives the lens to rotate through frictional contact. Although the lens between the fixing frame and the elastic pressing piece in the above application document can rotate the lens through the friction wheel between the fixing frame and the elastic pressing piece, it can not only effectively clamp and fix the lens, but also adjust the lens axis position. However, when maintaining the ophthalmometer, it needs to be disassembled, and the disassembly time depends on professionals, which may affect the performance or safety of the product, or even cause damage or failure of the product. Summary of the Utility Model

[0004] In view of the deficiencies of the prior art, the present utility model provides an ophthalmometer that is easy to install, and solves the problems raised in the above background art. To achieve the above object, the present utility model is realized through the following technical solutions: An ophthalmometer that is easy to install, including a base, an installation device is provided on the base, the installation device includes a connecting plate, a sleeve is fixedly connected to the top of the connecting plate, a sliding rod is slidably connected to the inner wall of the sleeve, a fixing rod is fixedly connected to the top of the sliding rod, a limiting rod is fixedly connected to the bottom of the fixing rod, an ophthalmometer body is disposed on the top of the connecting plate, and a sliding hole is opened on the top of the ophthalmometer body.

[0005] Preferably, the sliding rod movably penetrates through the connecting plate and extends downward, a baffle is fixedly connected to the bottom of the sliding rod, and a spring is movably sleeved on the outer wall of the sliding rod, and two ends of the spring are respectively fixedly connected to the top of the baffle and the bottom of the connecting plate.

[0006] Preferably, a sliding groove is opened on the front of the sleeve, a pulley is rotatably connected to the outer wall of the sliding rod through a bearing, and the pulley is slidably connected to the inner wall of the sliding groove.

[0007] Preferably, a rotating device is provided on the base. The rotating device includes a rotating rod which is rotatably connected to the top of the base through a bearing, and a circular gear is fixedly sleeved on the outer wall of the rotating rod.

[0008] Preferably, a limiting block is fixedly connected to the top of the base. A rack is slidably connected to the inner wall of the limiting block, and a hydraulic cylinder is fixedly connected to the back of the rack.

[0009] Preferably, the rack and the circular gear are meshed with each other.

[0010] The advantages of the present application are as follows:

[0011] First, by providing an installation device, the accuracy and stability during the installation process are ensured, enabling the optometry disc body to be firmly fixed on the top of the connecting plate, reducing the time and labor costs required for manual operation, thus solving the problems of troublesome installation, time-consuming and laborious as mentioned in the background art, and also solving the problems that when disassembly is required, the disassembly time depends on professionals, which may affect the performance or safety of the product, or even cause damage or failure to the product as mentioned in the background art.

[0012] Second, by providing a rotating device, when the hydraulic cylinder is started, the output end of the hydraulic cylinder drives the rack to move to the right, the rack drives the circular gear to rotate, the circular gear drives the rotating rod to rotate, and the rotating rod drives the connecting plate and the optometry disc body to rotate, enabling the optometry disc body to be conveniently rotated, providing operational convenience and accuracy for the glasses optometry process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings forming a part of this application are used to provide a further understanding of the application, making other features, objects, and advantages of the application more apparent. The schematic embodiments and descriptions of the application are used to explain the application and do not constitute an improper limitation of the application. In the drawings:

[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 is a front view structure diagram of the present utility model;

[0016] Figure 3 is a left view structure diagram of the present utility model;

[0017] Figure 4 is the present utility model Figure 2 is an enlarged structure diagram at A in the present utility model.

[0018] In the above figures,

[0019] 1. Base; 2. Mounting device; 21. Connecting plate; 22. Sleeve; 23. Slide bar; 24. Fixed bar; 25. Slide hole; 26. Limiting bar; 27. Chute; 28. Pulley; 29. Baffle; 210. Spring; 3. Rotating device; 31. Rotating bar; 32. Circular gear; 33. Rack; 34. Limiting block; 35. Hydraulic cylinder; 4. Diopter disc body. Detailed implementation manners

[0020] In order to enable those skilled in the art of this technology to better understand the solution of this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0021] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The following will describe this application in detail with reference to the drawings and in conjunction with the embodiments.

[0022] Embodiment 1

[0023] See Figures 1-4 , this embodiment provides a diopter disc that is easy to install, including a base 1, a mounting device 2 is provided on the base 1, the mounting device 2 includes a connecting plate 21, a sleeve 22 is fixedly connected to the top of the connecting plate 21, a slide bar 23 is slidably connected to the inner wall of the sleeve 22, a fixed bar 24 is fixedly connected to the top of the slide bar 23, a limiting bar 26 is fixedly connected to the bottom of the fixed bar 24, a diopter disc body 4 is provided on the top of the connecting plate 21, and a slide hole 25 is opened on the top of the diopter disc body 4.

[0024] The slide bar 23 extends downward through the connecting plate 21 movably, a baffle 29 is fixedly connected to the bottom of the slide bar 23, a spring 210 is movably sleeved on the outer wall of the slide bar 23, and two ends of the spring 210 are respectively fixedly connected to the top of the baffle 29 and the bottom of the connecting plate 21.

[0025] A chute 27 is opened on the front of the sleeve 22, a pulley 28 is rotatably connected to the outer wall of the slide bar 23 through a bearing, and the pulley 28 is slidably connected to the inner wall of the chute 27, which can make the slide bar 23 rotate along the direction of the chute 27.

[0026] When the above device is in specific use, pushing the right side of the baffle 29, the spring 210 is compressed. The baffle 29 drives the slide bar 23 to move upward. The slide bar 23 drives the pulley 28 on the outer wall to rotate along the moving track of the chute 27. The slide bar 23 rotates along the direction of the chute 27. The slide bar 23 drives the fixed bar 24 to move upward. The fixed bar 24 drives the limiting rod 26 to slide out from the inner wall of the sliding hole 25. At the same time, the fixed bar 24 rotates forward, facilitating the installation of the optometry disc body 4 on the top of the connecting plate 21. The spring 210 drives the above operation to reset, ensuring the accuracy and stability during the installation process, enabling the optometry disc body 4 to be firmly fixed on the top of the connecting plate 21, reducing the time and labor costs required for manual operation, thus solving the problem of cumbersome installation, time-consuming and laborious as proposed in the background technology, and also solving the problem that when disassembly is required, the disassembly time depends on professionals, which may affect the performance or safety of the product, or even cause product damage or failure as proposed in the background technology.

[0027] Embodiment 2

[0028] See Figures 1-4 , on the basis of Embodiment 1, a rotating device 3 is provided on the base 1. The rotating device 3 includes a rotating rod 31. The rotating rod 31 is rotatably connected to the top of the base 1 through a bearing. A circular gear 32 is fixedly sleeved on the outer wall of the rotating rod 31. The circular gear 32 drives the rotating rod 31 to rotate.

[0029] A limiting block 34 is fixedly connected to the top of the base 1. A rack 33 is slidably connected to the inner wall of the limiting block 34. A hydraulic cylinder 35 is fixedly connected to the back of the rack 33.

[0030] The rack 33 and the circular gear 32 are meshed with each other. The output end of the hydraulic cylinder 35 drives the rack 33 to move to the right side. The rack 33 drives the circular gear 32 to rotate.

[0031] When the above device is in specific use, starting the hydraulic cylinder 35, the output end of the hydraulic cylinder 35 drives the rack 33 to move to the right side. The rack 33 drives the circular gear 32 to rotate. The circular gear 32 drives the rotating rod 31 to rotate. The rotating rod 31 drives the connecting plate 21 and the optometry disc body 4 to rotate, enabling the optometry disc body 4 to rotate conveniently, providing operational convenience and accuracy for the glasses optometry process.

[0032] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent replacements or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A test disc that is easy to install, comprising a base (1), characterized in that: The base (1) is provided with a mounting device (2), the mounting device (2) comprising a connecting plate (21), the top of the connecting plate (21) being fixedly connected to a sleeve (22), the inner wall of the sleeve (22) being slidably connected to a sliding rod (23), the top of the sliding rod (23) being fixedly connected to a fixing rod (24), the bottom of the fixing rod (24) being fixedly connected to a limiting rod (26), the top of the connecting plate (21) being provided with a test disc body (4), the top of the test disc body (4) being provided with a sliding hole (25).

2. The optical disc tester that is easy to install according to claim 1, characterized in that: The slide bar (23) movably penetrates the connecting plate (21) and extends toward the bottom. The bottom of the slide bar (23) is fixedly connected to a baffle (29). The outer wall of the slide bar (23) is movably sleeved with a spring (210). Two ends of the spring (210) are respectively fixedly connected to the top of the baffle (29) and the bottom of the connecting plate (21).

3. The optical disc tester that is easy to install according to claim 2, characterized in that: The front side of the sleeve (22) is provided with a slide groove (27), the outer wall of the slide rod (23) is rotatably connected to a pulley (28) via a bearing, and the pulley (28) is slidably connected to the inner wall of the slide groove (27).

4. The optical disc tester that is easy to install according to claim 3, characterized in that: A rotating device (3) is provided on the base (1), and the rotating device (3) comprises a rotating rod (31). The rotating rod (31) is rotatably connected to the top of the base (1) via a bearing, and a circular gear (32) is fixedly sleeved on the outer wall of the rotating rod (31).

5. The optical disc tester that is easy to install according to claim 4, characterized in that: The top of the base (1) is fixedly connected to a limit block (34), the inner wall of the limit block (34) is slidably connected to a rack (33), and the back of the rack (33) is fixedly connected to a hydraulic cylinder (35).

6. The optical disc tester that is easy to install according to claim 5, characterized in that: The rack (33) and the circular gear (32) are meshed with each other.

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