Vision testing instrument with adjusting function

Abstract

The utility model discloses a vision testing instrument with an adjusting function, which relates to the technical field of vision testing instruments and comprises a base, two universal wheels are arranged at the rear end of the lower side of the base, two clamping and locking mechanisms are arranged at the front end of the lower side of the base, a pedal is movably connected to the front side of the base, and the pedal is movably connected with the base. The upper side of the base is fixedly connected with a lifting mechanism, the upper side of the lifting mechanism is fixedly connected with a fixing frame, the front side of the fixing frame is fixedly connected with a display screen, the upper side of the fixing frame is movably connected with a dustproof plate, the clamping and locking mechanism comprises a fixing frame, and the upper side of the fixing frame is fixedly connected with a fixing rod. According to the utility model, through the mutual cooperation of the fixing frame, the clamping plate, the connecting plate, the movable plate, the fixing rod and the second spring, the rotating wheel can be limited and fixed, the stability of the device can be maintained through fixing the rotating wheel, and errors caused by rolling or moving in the measurement process can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to visual detection instrument technical field, concretely relates to a visual detection instrument with adjusting function. BACKGROUND

[0002] The visual detection instrument with adjusting function plays a vital role in ophthalmic examination, which moves the near vision chart to the patient until the patient reports continuous blur, and then retreats to the last clear position, thereby recording the adjusted near point distance, and can accurately measure the near vision degree of the patient.

[0003] According to the disclosure No. CN217792998U, a kind of intelligent visual detection instrument is disclosed, wherein, including base, support column, lifting portion, sliding portion and visual detection component, the support column is located on the base, the cavity is equipped in the support column, top is equipped with opening;The lifting portion is vertically in the cavity;The sliding portion is slidably arranged on the lifting portion and can follow the lifting portion and move along the cavity towards the direction of approaching / away from the base;The visual detection component is installed in the sliding portion and extends out from the one end of the support column in the direction of the opening;The visual detection component includes display screen, depth camera and control processor, the control processor is embedded in the visual detection component, respectively control, connect the lifting portion, the display screen and the depth camera.This application can adjust the position of visual detection component by lifting portion and sliding portion, facilitate visual self-test of visual to be measured user, improve the practicability of instrument.For the following problems existing in prior art:

[0004] But because in the process of using device, will need to limit the fixing of runner, the existing device cannot be fixed to runner, possibly in the process of measurement device displacement occurs, leading to inaccurate detection value, and in the process of using device, display screen will emit a large amount of heat, in the process of heat dissipation, a large amount of dust will accumulate on dust screen, the existing device cannot quickly disassemble and replace dust screen, possibly affecting the heat dissipation efficiency of device. UTILITARIAN CONTENT

[0005] The utility model provides a visual detection instrument with adjusting function to solve the problems in the above background technology.

[0006] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0007] The utility model provides a visual acuity detection instrument with adjusting function, including the base, the lower side rear end of base is provided with two universal wheel, the lower side front end of base is provided with two lock mechanism, the front side swing joint of base has the pedal, the upper side fixed connection of base has the lifting mechanism, the upper side fixed connection of lifting mechanism has the fixed frame, the front side fixed connection of fixed frame has the display screen, the upper side swing joint of fixed frame has the dustproof board.

[0008] Further improvement of the technical scheme of the utility model lies in that the lock mechanism comprises a fixed frame, the upper side of the fixed frame is fixedly connected with a fixed rod, the outer wall of the fixed rod is sleeved with a second spring, the outer wall of the fixed rod is slidably connected with a movable plate, the lower side of the movable plate is rotatably connected with a connecting plate at both ends, the other end of the connecting plate is rotatably connected with a clamping plate.

[0009] Further improvement of the technical scheme of the utility model lies in that the upper side of the movable plate is rotatably connected with the pedal at the front end, one end of the second spring is fixedly connected with the base, the other end of the second spring is fixedly connected with the movable plate, the lower side of the clamping plate is movably connected with a rotating wheel.

[0010] Further improvement of the technical scheme of the utility model lies in that the rear middle part of the pedal is provided with a slot, the rear side of the inner wall of the base is fixedly connected with a guide column, the outer wall of the guide column is sleeved with a first spring, the outer wall of the guide column is slidably connected with a plug, the outer wall of the plug is movably connected with the slot, the upper side of the plug is fixedly connected with a push block.

[0011] Further improvement of the technical scheme of the utility model lies in that the lower side of the inner wall of the fixed frame is fixedly connected with a fan, the output end of the fan is fixedly connected with a blowing pipe, the input end of the fan is fixedly connected with a suction pipe, a plurality of heat conduction plates are fixedly connected through the front side of the inner wall of the fixed frame, the left and right sides of the dustproof board are fixedly connected with connecting blocks, the left and right sides of the upper portion of the fixed frame are provided with clamping mechanisms.

[0012] Further improvement of the technical scheme of the utility model lies in that the clamping mechanism comprises a mounting block, the side, away from the connecting block, of the mounting block is rotatably connected with a rotating block, the side, close to the connecting block, of the rotating block is fixedly connected with a threaded rod, the outer wall of the threaded rod is threadedly connected with a clamping block, the inner wall of the mounting block is fixedly connected with a limiting rod at both sides, the outer wall of the limiting rod is slidably connected with the clamping block, the side, close to the connecting block, of the clamping block is rotatably connected with a rotating plate, the other end of the rotating plate is rotatably connected with a moving rod, the outer wall of the moving rod is movably connected with the connecting block, the outer wall of the clamping block is movably connected with the connecting block, the upper and lower sides of the moving rod are slidably connected with the mounting block.

[0013] Due to the adoption of the above technical scheme, the present application has the following technical progress compared with the prior art:

[0014] 1. The vision detection instrument with the adjusting function, through the mutual cooperation of the fixing frame, the clamping plate, the connecting plate, the movable plate, the fixing rod and the second spring, the rotating wheel can be fixed in position, the fixed rotating wheel helps to keep the stability of the device, and avoids errors caused by rolling or moving during the measurement.

[0015] 2. The vision detection instrument with the adjusting function, through the mutual cooperation of the mounting block, the rotating block, the threaded rod, the limiting rod, the clamping block, the moving rod and the rotating plate, the dust screen can be quickly disassembled and cleaned, a large amount of dust is prevented from accumulating on the dust screen, the air circulation efficiency is improved, and thus the heat dissipation efficiency of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0017] Figure 2 It is a schematic diagram of part of the structure of the present application;

[0018] Figure 3 It is a schematic diagram of the cross section of part of the structure of the present application;

[0019] Figure 4 It is a schematic diagram of the internal structure of part of the structure of the present application;

[0020] Figure 5 It is a schematic diagram of the clamping structure of the present application.

[0021] In the drawing: 1, base; 2, universal wheel; 3, locking mechanism; 4, lifting mechanism; 5, pedal; 6, fixed frame; 7, display screen; 8, dustproof plate; 9, plug-in block; 10, push block; 11, guide column; 12, first spring; 13, fan; 14, blowing pipe; 15, air extraction pipe; 16, heat conduction plate; 17, clamping mechanism; 18, connecting block; 31, fixing frame; 32, clamping plate; 33, connecting plate; 34, movable plate; 35, fixing rod; 36, second spring; 171, mounting block; 172, rotating block; 173, threaded rod; 174, limiting rod; 175, clamping block; 176, moving rod; 177, rotating plate. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in combination with specific embodiments:

[0023] For example, Figure 1The utility model provides a kind of visual acuity detection instrument with adjusting function, including base 1, the downside rear end of base 1 is provided with two universal wheels 2, the downside front end of base 1 is provided with two locking mechanisms 3, the front side of base 1 is movably connected with pedal 5, the upside of base 1 is fixedly connected with lifting mechanism 4, lifting mechanism 4 can adjust the detection height of device, the upside of lifting mechanism 4 is fixedly connected with fixed frame 6, the front side of fixed frame 6 is fixedly connected with display screen 7, the upside of fixed frame 6 is movably connected with dustproof plate 8, dustproof plate 8 can filter air, avoid dust into device, prolong the service life of device.

[0024] As Figures 2-3 The utility model provides a technical scheme: preferably, locking mechanism 3 includes fixed frame 31, the upside of fixed frame 31 is fixedly connected with fixed rod 35, the outer wall of fixed rod 35 is equipped with second spring 36, the outer wall of fixed rod 35 is slidably connected with movable plate 34, the downside front and rear ends of movable plate 34 are rotatably connected with connecting plate 33, the other end of connecting plate 33 is rotatably connected with clamping plate 32, the upside front end of movable plate 34 is rotatably connected with pedal 5, one end of second spring 36 is fixedly connected with base 1, the other end of second spring 36 is fixedly connected with movable plate 34, the downside of clamping plate 32 is movably connected with rotating wheel, the rear side middle part of pedal 5 is equipped with slot, the inner wall rear side of base 1 is fixedly connected with guide column 11, the outer wall of guide column 11 is equipped with first spring 12, the outer wall of guide column 11 is slidably connected with plug 9, the outer wall of plug 9 is movably connected with slot, the upside of plug 9 is fixedly connected with push block 10, when needing to fix rotating wheel, first through push block 10 and pull plug 9 and move, then can use foot and step pedal 5 and move downwards, pedal 5 when moving, can drive movable plate 34 and move on fixed rod 35, second spring 36 will be stretched simultaneously, movable plate 34 moves can drive connecting plate 33 to rotate, connecting plate 33 rotates can drive clamping plate 32 to move, to rotate wheel extrusion limit is avoided, when measuring, the angle can be adjusted, plug 9 is separated from the slot in the inside of pedal 5 by push block 10, at this time, second spring 36 will drive movable plate 34 reset, move upwards to movable plate 34, to drive clamping plate 32 and move upwards, when clamping plate 32 is separated from rotating wheel, the universal wheel 2 of rear side of base 1 can be rotated to adjust angle, improve the overall practicability of device.

[0025] As Figures 4-5As shown, the utility model provides a technical scheme: preferably, the inner wall lower side of fixed frame 6 is fixedly connected with fan 13, the output fixedly connected with blowing pipe 14 of fan 13, the input fixedly connected with exhaust pipe 15 of fan 13, the inner wall front side of fixed frame 6 is fixedly connected with a plurality of heat conduction plates 16, the left and right sides of dustproof plate 8 are all fixedly connected with connecting block 18, the left and right sides upper portion of fixed frame 6 are all provided with clamping mechanism 17, clamping mechanism 17 includes mounting block 171, the side away from connecting block 18 of mounting block 171 is rotatably connected with rotating block 172, the side close to connecting block 18 of rotating block 172 is fixedly connected with threaded rod 173, the outer wall of threaded rod 173 is threadedly connected with clamping block 175, the inner wall left and right sides of mounting block 171 are all fixedly connected with limiting rod 174, the outer wall of limiting rod 174 is slidably connected with clamping block 175, the side close to connecting block 18 of clamping block 175 is rotatably connected with rotating plate 177, the other end of rotating plate 177 is rotatably connected with moving rod 176, the outer wall of moving rod 176 is movably connected with connecting block 18, the outer wall of clamping block 175 is movably connected with connecting block 18, the upper and lower sides of moving rod 176 are slidably connected with mounting block 171, when carrying out heat dissipation to display screen 7, heat conduction plate 16 will conduct the heat generated by display screen 7 to the rear side of fixed frame 6, then can start fan 13, air will enter the inside of device, dustproof plate 8 will filter air, fan 13 will export device through blowing pipe 14 the heat in the inside of device, when dismounting and installing dustproof plate 8, can first rotate rotating block 172, rotating block 172 rotation can drive threaded rod 173 rotation, threaded rod 173 rotation can drive clamping block 175 steady movement on limiting rod 174, clamping block 175 movement will also drive rotating plate 177 rotation, rotating plate 177 rotation can drive moving rod 176 movement, after clamping block 175 and moving rod 176 all from connecting block 18, connecting block 18 can be taken down, thereby dustproof plate 8 can be taken down, dustproof plate 8 can be cleaned, avoid a large amount of dust to accumulate on dustproof plate 8, improve the flow efficiency of air, thereby improve the heat dissipation efficiency of device.

[0026] The working principle of the vision detection instrument with adjustment function will be described in detail below.

[0027] As Figures 1-5As shown, when the device needs to fix the rotating wheel, first move the plug-in block 9 by the push block 10, then press the pedal 5 down with the foot, when the pedal 5 moves, it can drive the movable plate 34 to move on the fixed rod 35, at the same time, the second spring 36 is stretched, the movable plate 34 moves to drive the connecting plate 33 to rotate, when the connecting plate 33 rotates, it can drive the clamping plate 32 to move, thereby extruding and limiting the rotating wheel, avoiding rolling during measurement, when the angle needs to be adjusted, the plug-in block 9 can be separated from the slot in the pedal 5 by the push block 10, at this time, the second spring 36 drives the movable plate 34 to reset, moves the movable plate 34 upwards, thereby driving the clamping plate 32 to move upwards, when the clamping plate 32 is separated from the rotating wheel, the universal wheel 2 at the rear side of the base 1 can be rotated to adjust the angle, improving the overall practicality of the device, when the display screen 7 is cooled, the heat generated by the display screen 7 is conducted to the rear side of the fixed frame 6 by the heat-conducting plate 16, then the fan 13 can be started, air enters the device, the dustproof plate 8 filters the air, the fan 13 discharges the heat in the device through the blowing pipe 14, when the dustproof plate 8 is disassembled and installed, the movable block 172 can be rotated first, the rotation of the movable block 172 drives the threaded rod 173 to rotate, the rotation of the threaded rod 173 stably drives the clamping block 175 to move on the limiting rod 174, the movement of the clamping block 175 also drives the rotating plate 177 to rotate, the rotation of the rotating plate 177 drives the moving rod 176 to move, when the clamping block 175 and the moving rod 176 are separated from the connecting block 18, the connecting block 18 can be removed, thereby removing the dustproof plate 8, the dustproof plate 8 can be cleaned, avoiding a large amount of dust from accumulating on the dustproof plate 8, improving the air circulation efficiency, thereby improving the cooling efficiency of the device.

[0028] The above is a detailed description of the present application, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the present application are within the scope of the present application.

Claims

1. A vision testing instrument having accommodation function, characterized by: The application relates to a multifunctional display device, which comprises a base (1), two universal wheels (2) are arranged at the lower rear end of the base (1), two clamping mechanisms (3) are arranged at the lower front end of the base (1), a pedal (5) is movably connected to the front side of the base (1), a lifting mechanism (4) is fixedly connected to the upper side of the base (1), a fixed frame (6) is fixedly connected to the upper side of the lifting mechanism (4), a display screen (7) is fixedly connected to the front side of the fixed frame (6), and a dustproof plate (8) is movably connected to the upper side of the fixed frame (6).

2. The vision testing instrument with adjustment function according to claim 1, characterized in that: The clamping mechanism (3) comprises a fixed frame (31), a fixed rod (35) is fixedly connected to the upper side of the fixed frame (31), a second spring (36) is sleeved on the outer wall of the fixed rod (35), a movable plate (34) is slidably connected to the outer wall of the fixed rod (35), connecting plates (33) are rotatably connected to the lower front and rear ends of the movable plate (34), and a clamping plate (32) is rotatably connected to the other end of the connecting plate (33).

3. The vision testing instrument with adjustment function according to claim 2, characterized in that: The upper front end of the movable plate (34) is rotatably connected with the pedal (5), one end of the second spring (36) is fixedly connected with the base (1), the other end of the second spring (36) is fixedly connected with the movable plate (34), and a rotating wheel is movably connected to the lower side of the clamping plate (32).

4. The vision testing instrument with adjustment function according to claim 1, characterized in that: A slot is formed in the rear middle portion of the pedal (5), a guide column (11) is fixedly connected to the inner wall of the base (1), a first spring (12) is sleeved on the outer wall of the guide column (11), a plug block (9) is slidably connected to the outer wall of the guide column (11), the outer wall of the plug block (9) is movably connected with the slot, and a push block (10) is fixedly connected to the upper side of the plug block (9).

5. The vision testing instrument having an adjusting function according to claim 1, characterized in that: A fan (13) is fixedly connected to the lower side of the inner wall of the fixed frame (6), a blowing pipe (14) is fixedly connected to the output end of the fan (13), an air extraction pipe (15) is fixedly connected to the input end of the fan (13), a plurality of heat conduction plates (16) are fixedly and penetratively connected to the front side of the inner wall of the fixed frame (6), connecting blocks (18) are fixedly connected to the left and right sides of the dustproof plate (8), and clamping mechanisms (17) are arranged on the upper parts of the left and right sides of the fixed frame (6).

6. The vision testing instrument having an adjustment function according to claim 5, characterized in that: Said clamping mechanism (17) includes the installation block (171), one side of the installation block (171) is rotatably connected with the rotating block (172) away from the connecting block (18), one side of the rotating block (172) is fixedly connected with the threaded rod (173) close to the connecting block (18), the outer wall of the threaded rod (173) is threadedly connected with the clamping block (175), the inner wall of the installation block (171) is fixedly connected with the limiting rod (174) on the left and right sides, the outer wall of the limiting rod (174) is slidably connected with the clamping block (175), one side of the clamping block (175) is rotatably connected with the rotating plate (177) close to the connecting block (18), the other end of the rotating plate (177) is rotatably connected with the moving rod (176), the outer wall of the moving rod (176) is movably connected with the connecting block (18), the outer wall of the clamping block (175) is movably connected with the connecting block (18), the upper and lower sides of the moving rod (176) are slidably connected with the installation block (171).

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