CN218784429U

CN218784429U - Vision detector convenient to adjust

Info

Publication number: CN218784429U
Application number: CN202222760396.2U
Authority: CN
Inventors: 黎小龙
Original assignee: Wuhan Sanoen Science And Trade Co ltd
Current assignee: Langfang Naokang Hospital Co.,Ltd.
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-04-04
Anticipated expiration: 2032-10-19

Abstract

The utility model belongs to the technical field of the medical instrument technique and specifically relates to an eyesight detector convenient to adjust, including base, lead screw and switching piece, the base top is equipped with the display screen, display screen below fixedly connected with connecting block, connecting block below fixedly connected with links up the piece, the connecting block is kept away from one side of display screen is equipped with the slider, the slider both sides are equipped with the dead lever, be equipped with on the slider the lead screw rotates the piece that connects according to measurand person's demand rotation, the switching piece through with the threaded connection between the threaded rod constantly rotatory upwards, pull open the distance between layer board and the threaded rod gradually, and then change the height of layer board and baffle, the detected person who adapts to more sizes has optimized and has detected experience, and the simple easy operation of procedure.

Description

Vision detector convenient to adjust

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to an eyesight detector convenient to adjust.

Background

The intelligent vision tester can track and monitor the vision of different individuals for a long time, automatically judge the detection result, record and store the detection result, draw a curve and analyze the vision change trend; randomly changing the direction of the visual target to solve the possibility of back marking; the reading and writing time and the illumination brightness are prompted to be beneficial to eye health; the vision detector also has the functions of temperature display and perpetual calendar, and can enable a detector to observe patterns on the device when the vision detector is used, and then respond according to the instruction of an operator, but the detection mode needs the detector to keep fixed posture and position all the time, the detection process for a long time is easy to cause discomfort of the detector, and meanwhile, the fixed vision detector is fixed on a desktop or placed on the ground and is not provided with a moving assembly, so that the vision detector is difficult to move in real time under the condition of facing different requirements, and the operation is difficult.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that exists among the prior art, the vision detector who provides a convenient to adjust now.

The specific technical scheme is as follows:

the utility model provides a visual acuity testing appearance convenient to adjust, includes base, lead screw and switching piece, the base top is equipped with the display screen, display screen below fixedly connected with connecting block, connecting block below fixedly connected with links up the piece, the connecting block is kept away from one side of display screen is equipped with the slider, the slider both sides are equipped with the dead lever, be equipped with on the slider the lead screw, the base is kept away from one side of display screen is equipped with the baffle, baffle below fixedly connected with movable rod, the movable rod below is equipped with the switching piece, the switching piece with be equipped with the layer board between the baffle, switching piece below is equipped with the threaded rod, threaded rod bottom fixedly connected with links up the board.

Preferably, the connection plate is fixedly connected to the bottom of the base, a penetrating thread is arranged inside the connection block, a thread is arranged at the bottom of the movable rod, and the connection block is connected with the threaded rod and the movable rod through threads.

Preferably, the base is provided with two sliding grooves, and the screw rod and the sliding block are located in the base and located between the two sliding grooves.

Preferably, the screw rod penetrates through the sliding block and one side, far away from the switching block, of the base, is connected to the inside of the base, and a bearing is arranged at the joint of one end, far away from the display screen, of the screw rod and the base.

Preferably, one end of the screw rod, which is far away from the transfer block, is fixedly connected with a rotating block, and the rotating block is positioned outside the base.

Preferably, a through groove is formed in the sliding groove to communicate the two sliding grooves, and the fixing rod penetrates through the through groove to connect the two connecting blocks.

Preferably, a clamping block is fixedly connected to one side, away from the fixing rod, of the joining block, a groove is formed in one side, close to the clamping block, of the sliding groove, and the clamping block is movably connected into the groove in an embedded mode.

The technical scheme has the following advantages or beneficial effects:

1. according to the rotatory switching piece of surveyed person's demand, the switching piece through with the threaded connection between the threaded rod constantly rotate upwards, pull open the distance between layer board and the threaded rod gradually, and then change the height of layer board and baffle, the person that is detected of the more sizes of adaptation has optimized and has detected experience, and the simple easy operation of procedure.

2. The rotary block drives the screw rod to rotate, so that the sliding block in threaded connection with the screw rod moves on the screw rod, the sliding block drives the linking block to move through the fixing rod, the linking block drives the display screen to move back and forth through the connecting block, and therefore the front position and the rear position of the display screen are adjusted, the detection condition is more suitable, and the operation is more convenient.

Drawings

Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. The drawings, however, are for illustration and description only and are not intended to limit the scope of the present invention.

Fig. 1 is a schematic structural view of an adjustable vision tester of the present invention;

FIG. 2 is a schematic view of the interior of the base of the vision testing apparatus of the present invention, which is convenient for adjustment;

FIG. 3 is a schematic structural view of a screw rod of the vision testing apparatus convenient for adjustment according to the present invention;

fig. 4 is the utility model provides a visual acuity test appearance threaded rod's that is convenient for adjust schematic diagram.

The above-mentioned reference numerals denote: the device comprises a base 1, a display screen 2, a baffle 3, a movable rod 4, a transfer block 5, a connecting plate 6, a threaded rod 7, a connecting block 8, a sliding groove 9, a connecting block 10, a screw rod 11, a rotating block 12, a sliding block 13, a fixed rod 14, a clamping block 15 and a supporting plate 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Referring to fig. 1-4, an eyesight detecting instrument convenient to adjust, including base 1, lead screw 11 and switching piece 5, base 1 is top to be equipped with display screen 2, display screen 2 below fixedly connected with connecting block 8, connecting block 8 below fixedly connected with links up piece 10, one side that display screen 2 was kept away from to connecting block 8 is equipped with slider 13, slider 13 both sides are equipped with dead lever 14, be equipped with lead screw 11 on the slider 13, one side that display screen 2 was kept away from to base 1 is equipped with baffle 3, baffle 3 below fixedly connected with movable rod 4, movable rod 4 below is equipped with switching piece 5, be equipped with layer board 16 between switching piece 5 and the baffle 3, switching piece 5 below is equipped with threaded rod 7, threaded rod 7 bottom fixedly connected with links up board 6, rotate switching piece 5 according to surveyor's demand, switching piece 5 constantly rotates upwards through the threaded connection with threaded rod 7, gradually pull open the distance between layer board 16 and the threaded rod 6, and then change the height of layer board 16 and baffle 3, adapt to more testers of size, and the simple easy operation of procedure.

Further, 6 fixed connection of linking up the fishplate bar are in 1 bottom of base, and switching piece 5 is inside to be equipped with the screw thread that runs through, and 4 bottoms of movable rod are equipped with the screw thread, and switching piece 5 passes through screw thread and threaded

rod

7 and 4 threaded connection of movable rod, can be so that switching piece 5 is through rotatory lift layer board 16 and baffle 3 through the threaded connection between switching piece 5 and the threaded rod 7, and is easy and simple to handle.

Furthermore, the base 1 is provided with two sliding grooves 9, the screw rod 11 and the sliding block 13 are located inside the base 1 and between the two sliding grooves 9, and the single screw rod 11 is used for controlling the two connecting blocks 10, so that the production cost can be reduced, and the operation is simpler.

Further, the lead screw 11 runs through the slider 13 and the base 1 and keeps away from one side of the switching block 5, is connected to the inside of the base 1, and the bearing is arranged at the joint of the base 1 and one end of the lead screw, which is far away from the display screen 2, and the lead screw 11 rotates to drive the slider 13 and the connecting block 10 to move back and forth, so that the front and back positions of the display screen 2 are changed, and the detection conditions are adapted to more kinds.

Further, one end of the screw rod 11, which is far away from the transfer block 5, is fixedly connected with a rotating block 12, the rotating block 12 is located outside the base 1, and the rotating block 12 can assist a user in rotating the screw rod 11.

Furthermore, a through groove is formed in the sliding groove 9 to communicate the two sliding grooves 9, a fixing rod 14 penetrates through the through groove to connect the two joining blocks 10, and the fixing rod 14 connects the two joining blocks 10 to enable the screw rod 11 to control the two joining blocks 10 simultaneously.

Furthermore, one side of the connecting block 10, which is far away from the fixing rod 14, is fixedly connected with a fixture block 15, one side of the sliding groove 9, which is close to the fixture block 15, is provided with a groove, the fixture block 15 is movably connected in the groove, and the fixture block 15 can limit the connecting block 10 when moving, so that the connecting block is always positioned in the sliding groove 9.

The working principle is as follows: when the device is used, according to the rotatory switching piece 5 of surveyed person's demand, switching piece 5 is through constantly rotatory upwards with threaded connection between threaded rod 7, pull open the distance between layer board 16 and the threaded rod 6 gradually, and then change the height of layer board 16 and baffle 3, until agreeing with the testee, rotatory turning block 12 when examining afterwards, it is rotatory to drive lead screw 11, and then make the slider 13 with 11 threaded connection of lead screw 11 remove on lead screw 11, slider 13 drives the activity of linking piece 10 through dead lever 14, the linking piece drives display screen 2 through connecting block 8 and carries out the back-and-forth movement, thereby the fore-and-aft position of adjustment display screen 2.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims

1. The utility model provides a vision detector convenient to adjust which characterized in that: including base (1), lead screw (11) and switching piece (5), base (1) top is equipped with display screen (2), display screen (2) below fixedly connected with connecting block (8), connecting block (8) below fixedly connected with links up piece (10), keeping away from connecting block (8) one side of display screen (2) is equipped with slider (13), slider (13) both sides are equipped with dead lever (14), be equipped with on slider (13) lead screw (11), base (1) is kept away from one side of display screen (2) is equipped with baffle (3), baffle (3) below fixedly connected with movable rod (4), movable rod (4) below is equipped with switching piece (5), switching piece (5) with be equipped with layer board (16) between baffle (3), switching piece (5) below is equipped with threaded rod (7), threaded rod (7) bottom fixedly connected with linking board (6).

2. A vision testing machine of claim 1 which is readily adjustable, and which is characterized by: the connecting plate (6) is fixedly connected to the bottom of the base (1), a penetrating thread is arranged inside the connecting block (5), a thread is arranged at the bottom of the movable rod (4), and the connecting block (5) is in threaded connection with the threaded rod (7) and the movable rod (4).

3. A vision testing machine of claim 1 which is readily adjustable, and which is characterized by: the base (1) is provided with two sliding grooves (9), and the screw rod (11) and the sliding block (13) are located inside the base (1) and between the two sliding grooves (9).

4. A vision testing machine adapted to be adjusted according to claim 1, wherein: the screw rod (11) penetrates through the sliding block (13) and one side, away from the switching block (5), of the base (1) and is connected to the inside of the base (1), and a bearing is arranged at the joint of one end, away from the display screen (2), of the screw rod and the base (1).

5. A vision testing machine adapted to be adjusted according to claim 1, wherein: one end of the screw rod (11) far away from the switching block (5) is fixedly connected with a rotating block (12), and the rotating block (12) is located on the outer side of the base (1).

6. A vision testing machine adapted to be adjusted according to claim 3, wherein: a through groove is formed in the sliding groove (9) to communicate the two sliding grooves (9), and the fixing rod (14) penetrates through the through groove to connect the two connecting blocks (10).

7. A vision testing machine adapted to be adjusted according to claim 3, wherein: one side, far away from the fixing rod (14), of the joining block (10) is fixedly connected with a clamping block (15), one side, close to the clamping block (15), of the sliding groove (9) is provided with a groove, and the clamping block (15) is movably connected in the groove in an embedded mode.