Double-platform integrated optometry device

Abstract

The utility model discloses a double-platform integrated optometry device, which comprises a front-end lens module, a transmitting component, a receiving component, a focusing component, a driving component, a first platform and a second platform arranged above the first platform, the front-end lens module and the receiving component are arranged on the first platform, the transmitting component is arranged on the second platform, the focusing component is arranged on the second platform, and the driving component is arranged on the second platform. The first platform and the second platform are both provided with a plurality of light splitting assemblies used for reflecting light paths of the transmitting part and the receiving part. According to the technical scheme, the first platform and the second platform are arranged in the device, and the transmitting component and the receiving component are mounted in a layered manner, so that the internal space is reasonably arranged, the size of the whole device is greatly reduced, and the first platform and the second platform which are arranged in a layered manner are also convenient for mounting of modules and assemblies.

Description

Technical Field

[0001] The utility model relates to the field of optical instruments, in particular to a double-platform integrated optometry device. Background Art

[0002] The interior of the optometry device usually includes an object image module, a human eye imaging module, a relay lens module, a laser light module, and a spectroscopic component that controls the change of the optical path. These key components each have different functions and work together to achieve accurate optometry results. However, since these modules and components are arranged at the same level, the volume of the entire device is greatly increased. In the examination room, the huge device not only occupies more desktop area, but also is difficult to move and adjust due to its large shape. Utility Model Content

[0003] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a dual-platform integrated optometry device, by arranging a first platform and a second platform in the device, the transmitting component and the receiving component are installed in layers, so that the internal space is reasonably laid out, and the volume of the entire device is greatly reduced. The layered first platform and the second platform also facilitate the installation between the various modules and components.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dual-platform integrated optometry device, comprising a front-end lens module, a transmitting component, a receiving component, a focusing component, a driving component, a first platform, and a second platform installed above the first platform, wherein the front-end lens module and the receiving component are installed on the first platform, and the transmitting component is installed on the second platform, and the first platform and the second platform are both provided with a plurality of splitter components for reflecting the optical path of the transmitting component and the receiving component.

[0005] As a further improvement of the utility model, the transmitting component includes an object image module and a laser light module, the receiving component includes a human eye imaging module and a relay lens module, the focusing assembly and the driving assembly are installed on the first platform and the focusing assembly is arranged corresponding to the object image module, and a notch is provided on the second platform for the movement of the focusing assembly, and the driving assembly controls the focusing assembly to move away from or close to the object image module for focusing.

[0006] As a further improvement of the present invention, a position sensor for detecting the maximum travel of the focusing assembly is provided on the second platform.

[0007] As a further improvement of the utility model, the focusing assembly includes a focusing lens, a connecting plate, and a slide rail. The connecting plate is movably connected to the slide rail, and the slide rail is fixedly connected to the first platform. The focusing lens is mounted on the connecting plate and arranged corresponding to the object-image module. The connecting plate is provided with a through hole for the passage of light at a position corresponding to the object-image module. The driving assembly drives the connecting plate to move on the slide rail to control the focusing lens to approach or move away from the object-image module at the notch.

[0008] As a further improvement of the present invention, a sliding block is provided between the connecting plate and the slide rail, and the connecting plate is fixedly connected to the sliding block.

[0009] As a further improvement of the present invention, the slide rail is provided with a limit seat in the direction in which the slider moves, and the limit seat is used to limit the maximum stroke of the connecting plate.

[0010] As a further improvement of the utility model, a detection plate is fixedly connected to one side of the connecting plate, and the position sensor is arranged on a track of the second platform corresponding to the movement of the detection plate.

[0011] As a further improvement of the utility model, the driving assembly includes a driving motor installed on the first platform, a screw rod installed on the driving motor, and a nut seat installed on the screw rod. The nut seat is fixedly connected to the connecting plate. The connecting plate is provided with a first through hole for the screw rod to pass through. The screw rod is driven by the driving motor to drive the connecting plate to move on the slide rail.

[0012] As a further improvement of the present invention, a second through hole for the screw rod to pass through is provided at a position of the connecting plate corresponding to the screw rod.

[0013] As a further improvement of the utility model, the position sensor is fixedly connected to the second platform by bolts, and a threaded seat is provided between the position sensor and the second platform.

[0014] The beneficial effects of the utility model are as follows: by arranging the first platform and the second platform in the device, the transmitting component and the receiving component are installed in layers, so that the internal space is reasonably laid out, the volume of the entire device is greatly reduced, and the layered first platform and the second platform also facilitate the installation between various modules and components. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall structure of the embodiment of the utility model from another perspective;

[0017] Figure 3 A schematic diagram of hiding the second platform for an embodiment of the utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the driving component of an embodiment of the utility model.

[0019] Figure 5 This is a schematic diagram of driving the focusing assembly according to an embodiment of the utility model.

[0020] Reference numerals: 1, first platform; 101, position sensor; 102, detection board; 2, second platform; 21, notch; 3, object-image module; 4, focusing assembly; 41, focusing lens; 42, connecting plate; 43, guide rail; 44, limit seat; 5, driving assembly; 51, driving motor; 52, lead screw; 53, nut seat; 54, first through hole; 55, second through hole; 6, front-end lens module; 7, human eye imaging module; 8, laser light module; 9, relay lens module; 10; first beam splitter lens; 11, second beam splitter lens; 12, third beam splitter lens; 13, fourth beam splitter lens; 14, fifth beam splitter lens; 15, first object-image eyepiece; 16, first beam splitter prism; 17, second beam splitter prism; 18, second object-image eyepiece; DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings.

[0022] Reference Figure 1-5 As shown, a dual-platform integrated optometry device includes a front-end lens module 6, a transmitting component, a receiving component, a focusing component 4, a driving component 5, a first platform 1, and a second platform 2 installed above the first platform 1. The front-end lens module 6 and the receiving component are installed on the first platform 1, and the transmitting component is installed on the second platform 2. The first platform 1 and the second platform 2 are both provided with a plurality of light splitting components for coordinating the light paths of the transmitting component and the receiving component. The front-end lens module 6 is arranged at the front end of the first platform 1, and is used to correspond to the eyes of the person being tested. The light emitted by the transmitting component reaches the front-end lens module 6 to the eyes of the person being tested through the light splitting component. The eye information obtained by the front-end lens module 6 is reflected to the light splitting component to reach the receiving component. By arranging the first platform 1 and the second platform 2 in the device, and installing the transmitting component and the receiving component in layers, the internal space is reasonably laid out, and the volume of the entire device is greatly reduced. In addition, the first platform 1 and the second platform 2 arranged in layers also facilitate the installation of each module and component.

[0023] The transmitting component includes an object image module 3 and a laser light module 8, the receiving component includes a human eye imaging module 7 and a relay lens module 9, the focusing component 4 and the driving component 5 are installed on the first platform 1 and the focusing component 4 is arranged corresponding to the object image module 3, the second platform 2 is provided with a notch 21 for the focusing component 4 to move, the driving component 5 controls the focusing component 4 to move away from or close to the object image module 3 for focusing, the human eye imaging module 7 is used to obtain eye image information, the relay lens module 9 is used to measure the refractive power of the eye, the laser light module 8 is used to emit light, and the object image module 3 is used to emit light to form a picture image for observation by the person being tested,

[0024] As attached Figure 1-2 As shown, the beam splitter assembly includes a first beam splitter lens 10, a second beam splitter lens 11, a third beam splitter lens 12, a fourth beam splitter lens 13, a fifth beam splitter lens 14, a first beam splitter prism 16, and a second beam splitter prism 17. The first beam splitter lens 10 and the second beam splitter lens 11 are both mounted on the first platform 1 and cooperate with the relay lens module 9 and the human eye imaging module 7 respectively. A first object image eyepiece 15 is provided between the first beam splitter lens 10 and the second beam splitter lens 11. The third beam splitter lens 12 and the fourth beam splitter lens 13 are mounted on the second platform 2. The third beam splitter lens 12 cooperates with the object-image module 3, the fifth beam splitter lens 14 is installed on the first platform 1 and is directly opposite to the bottom of the fourth beam splitter lens 13, a second object-image eyepiece 18 is provided between the third beam splitter lens 12 and the fourth beam splitter lens 13, the first beam splitter prism 16 is installed on the second platform 2 and corresponds to the position of the laser emitting component, the second beam splitter prism 17 is installed on the first platform 1 and corresponds to the position of the first beam splitter prism 16, and an opening is provided on the second platform 2 for the first beam splitter prism 16 to reflect light to the second beam splitter prism 17, reference Figure 3 In this embodiment, the front end lens module 6, the first beam splitter lens 10, the second beam splitter prism 17, and the relay lens module 9 are correspondingly arranged, so that the internal structure can be compact and the arrangement of the optical path is convenient.

[0025] The object-image module 3 emits light to pass through the third beam splitter lens 12, the second object-image eyepiece 18, the fourth beam splitter lens 13, the fifth beam splitter lens 14, the second beam splitter lens 11, the first object-image eyepiece 15, and the first beam splitter lens 10 to reach the front-end lens module 6; the laser light module 8 emits light to pass through the first beam splitter prism 16, the second beam splitter prism 17, and the first beam splitter lens 10 to reach the front-end lens module 6; the front-end lens module 6 reflects the acquired eye information to the first beam splitter lens 10 and the second beam splitter prism 17 to reach the relay lens module 9; the front-end lens module 6 reflects the acquired eye information to the first beam splitter lens 10, the first object-image eyepiece 15, and the second beam splitter lens 11 to reach the human eye imaging module 7.

[0026] A position sensor 101 for detecting the maximum stroke of the focusing component 4 is provided on the second platform 2. The position sensor 101 is provided to prevent the focusing component 4 from exceeding the stroke and causing mechanical collision or damage. The focusing component 4 includes a focusing lens 41, a connecting plate 42, and a guide rail 43. The connecting plate 42 is movably connected to the guide rail 43, and the guide rail 43 is fixedly connected to the first platform 1. The focusing lens 41 is installed on the connecting plate 42 and is arranged corresponding to the object-image module 3. The connecting plate 42 is provided with a through hole for the light path to pass through at the position corresponding to the object-image module 3. The light path emitted by the object-image module 3 can enter the focusing lens 41 through the through hole. The driving component 5 drives the connecting plate 42 to move on the guide rail 43 to control the focusing lens 41 to approach or move away from the object-image module 3 at the notch 21. The guide rail 43 installed on the first platform 1 enables the focusing lens 41 to move in a straight line along the guide rail 43 to avoid deviation or shaking during the movement. In order to facilitate the adjustment of the installation height of the guide rail 43, a pad is provided between the guide rail 43 and the first platform 1. In this embodiment, the notch 21 is semi-open, which provides sufficient range of movement for the focusing component 4 and also reduces the redundancy of the internal space. In other embodiments, the notch 21 can be in the shape of a through hole, and the connecting plate 42 is further guided by the inner wall surface of the through hole.

[0027] A slider is provided between the connecting plate 42 and the guide rail 43, and the connecting plate 42 is fixedly connected to the slider. The slider cooperates with the guide rail 43 to make the installation of the connecting plate 42 more convenient. A detection plate 102 is fixedly connected to one side of the connecting plate 42. The position sensor 101 is arranged on the trajectory of the movement of the detection plate 102 corresponding to the second platform 2. In this embodiment, the position sensor 101 is fixedly connected to the second platform 2 by bolts. A threaded seat is provided between the position sensor 101 and the second platform 2. The threaded seat is provided to adjust the height of the position sensor 101 so that the position sensor 101 and the detection plate 102 can fully cooperate. The guide rail 43 is provided with a limit seat 44 in the direction of the slider movement. The limit seat 44 is used to limit the maximum stroke of the connecting plate 42.

[0028] The driving assembly 5 includes a driving motor 51 installed on the first platform 1, a screw rod 52 installed on the driving motor 51, and a nut seat 53 installed on the screw rod 52. The nut seat 53 is fixedly connected to the connecting plate 42. The connecting plate 42 is provided with a first through hole 54 for the screw rod 52 to pass through. The screw rod 52 is driven by the driving motor 51 to drive the connecting plate 42 to move on the guide rail 43. The connecting plate 42 is provided with a second through hole 55 for the screw rod 52 to pass through at a position corresponding to the screw rod 52. The second through hole 55 is provided so that the installation length of the screw rod 52 can be increased, thereby increasing the movable stroke of the connecting plate 42 on the guide rail 43. In this embodiment, the driving assembly 5 is installed directly below the object-image module 3, and the driving motor 51 is installed on the first platform 1 through a motor mounting bracket, so that the screw rod 52 and the first through hole 54 and the second through hole 55 are on the same axis.

[0029] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A dual-platform integrated optometry device, characterized in that: It includes a front-end lens module, a transmitting component, a receiving component, a focusing component, a driving component, a first platform, and a second platform installed above the first platform. The front-end lens module and the receiving component are installed on the first platform, and the transmitting component is installed on the second platform. The first platform and the second platform are both provided with a number of splitter components for coordinating the optical paths of the transmitting component and the receiving component.

2. The dual-platform integrated optometry device according to claim 1, characterized in that: The transmitting component includes an object image module and a laser light module, the receiving component includes a human eye imaging module and a relay lens module, the focusing assembly and the driving assembly are installed on the first platform and the focusing assembly is arranged corresponding to the object image module, and a notch is provided on the second platform for the movement of the focusing assembly, and the driving assembly controls the focusing assembly to move away from or close to the object image module for focusing.

3. The dual-platform integrated optometry device according to claim 2, characterized in that: The focusing assembly includes a focusing lens, a connecting plate, and a slide rail. The connecting plate is movably connected to the slide rail, and the slide rail is fixedly connected to the first platform. The focusing lens is mounted on the connecting plate and arranged corresponding to the object-image module. The connecting plate is provided with a through hole for the light path to pass through at a position corresponding to the object-image module. The driving assembly drives the connecting plate to move on the slide rail to control the focusing lens to approach or move away from the object-image module at the notch.

4. The dual-platform integrated optometry device according to claim 3, characterized in that: A sliding block is provided between the connecting plate and the slide rail, and the connecting plate is fixedly connected to the sliding block.

5. The dual-platform integrated optometry device according to claim 3 or 4, characterized in that: The slide rail is provided with a limit seat in the direction in which the slider moves, and the limit seat is used to limit the maximum stroke of the connecting plate.

6. The dual-platform integrated optometry device according to claim 3 or 4, characterized in that: The second platform is provided with a position sensor for detecting the maximum travel of the focusing assembly.

7. The dual-platform integrated optometry device according to claim 6, characterized in that: A detection plate is fixedly connected to one side of the connection plate, and the position sensor is arranged on a track of the second platform corresponding to the movement of the detection plate.

8. The dual-platform integrated optometry device according to claim 7, characterized in that: The position sensor is fixedly connected to the second platform by means of bolts, and a threaded seat is provided between the position sensor and the second platform.

9. The dual-platform integrated optometry device according to claim 3 or 4, characterized in that: The driving assembly includes a driving motor installed on the first platform, a screw rod installed on the driving motor, and a nut seat installed on the screw rod. The nut seat is fixedly connected to the connecting plate. The connecting plate is provided with a first through hole for the screw rod to pass through. The screw rod is driven by the driving motor to drive the connecting plate to move on the slide rail.

10. The dual-platform integrated optometry device according to claim 9, characterized in that: The connection plate is provided with a second through hole at a position corresponding to the screw rod for the screw rod to pass through.

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