CN218852676U

CN218852676U - Vision screening device

Info

Publication number: CN218852676U
Application number: CN202222301825.XU
Authority: CN
Inventors: 付桂君
Original assignee: Lite Joint Polytron Technologies Inc Beijing
Current assignee: Lite Joint Polytron Technologies Inc Beijing
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-04-14
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses an eyesight screening device, relating to the technical field of eyesight screening equipment; the screening instrument comprises a screening instrument body, wherein the screening instrument body is arranged on an installation seat below the screening instrument body, an installation mechanism is arranged between the screening instrument body and the installation seat, and the bottom of the installation seat is fixedly connected with a support frame consisting of an adjusting part and a supporting part; the cooperation through mount pad, montant, standpipe, first backup pad can provide the support to the screening appearance body to this reduces the pressure to the arm, and in addition, improves the cooperation between movable block, montant, fixed block, the screw rod and can adjust the height and the position of screening appearance body, so that use. The utility model discloses a series of structures make this device have convenient to use, the various characteristics of using-way etc.

Description

Vision screening device

Technical Field

The utility model relates to an eyesight examination equipment technical field specifically is an eyesight examination device.

Background

The vision is the ability of the retina to distinguish images, and the quality of the vision is judged by the ability of the retina to distinguish images, however, when refractive media (such as cornea, crystal, vitreous body and the like) of eyes become turbid or ametropia (including myopia, hyperopia, astigmatism and the like) exists, even if the vision of the eyes with good retina functions is still reduced, the vision of early children cannot well express the vision condition of the children, so the detection of vision screening equipment is needed, the traditional vision screening instrument is mostly handheld, although the operation and carrying are convenient, the use needs to be carried by arms, and the long-time use needs to consume a large amount of physical strength, and easily causes the damage of elbow joints and arm muscles, influences the physical health of medical personnel, and therefore, the vision screening equipment which can not cause the damage of the arms is needed;

the utility model discloses an eccentric light vision screening device for CN214511124U, comprising a main body, tip fixed mounting has the dead lever under the main part, tip fixed mounting has the backup pad under the dead lever, the round hole has been seted up in the backup pad, the dead lever runs through the round hole and extends to tip under the backup pad, the backup pad below is provided with the telescopic link, telescopic link upper end fixed mounting has the spacing post of second, tip fixed mounting has first spacing post under the telescopic link, first spacing post below is provided with the fixing base. The first limiting column, the second limiting column and the limiting groove are respectively detachable, so that the device is more convenient to carry out, the whole device can be supported by the limiting columns and the limiting grooves, the stability of the whole device is higher, and labor can be saved during large-quantity detection;

although foretell screening device adopts the support to support the use, its bearing structure adopts the split formula, needs equipment and split around the use, and is not only loaded down with trivial details, and dismantles the back part and increase, is difficult for carrying, still causes the part to lose easily, moreover, the main part is connected with bearing structure through the fixed backup pad in bottom among the foretell screening device, when lifting the use, the backup pad causes the influence to lifting of hand easily for the mode that the original lifting of screening appearance was used receives the restriction.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's the single class defect of use inconvenience, user mode, provide an eyesight examination device. The vision screening device has the characteristics of convenience in use, various using methods and the like.

In order to achieve the above object, the utility model provides a following technical scheme: a vision screening device comprises a screening instrument body, wherein the screening instrument body is arranged on a mounting seat positioned below the screening instrument body, an installation mechanism is arranged between the screening instrument body and the mounting seat, and the bottom of the mounting seat is fixedly connected with a supporting frame consisting of an adjusting part and a supporting part;

the adjusting part comprises a vertical rod with threads formed in the outer wall and a vertical pipe sleeved on the outer side of the vertical rod, the vertical rod is fixedly connected to the bottom of the mounting seat, a movable block is movably connected to the top of the vertical pipe, a second threaded hole in threaded connection with the vertical rod is formed in the movable block, a fixed block is slidably connected to the bottom of the mounting seat, vertical plates fixedly connected with the mounting seat are arranged on the left side and the right side of the fixed block, a first threaded hole and a through hole are formed in the fixed block and the vertical plates respectively, a screw rod is connected to the first threaded hole in a threaded manner, two ends of the screw rod penetrate through the adjacent through holes and are fixedly connected with a limiting plate, and a knob is fixedly connected to the limiting plate at the right end of the screw rod;

the supporting part includes that the three surrounds the standpipe and is the first backup pad that the annular array form distributes and the second backup pad of connecting first backup pad and standpipe, the cross section of first backup pad is "U" font, the second backup pad is located first backup pad inboard, and both ends pass through the connecting plate and the pivot respectively with standpipe and first backup pad swing joint, standpipe outside cover is equipped with the ring, connecting plate and pivot and ring swing joint are passed through at first backup pad top, and there is the supporting shoe first backup pad bottom through connecting plate and pivot swing joint.

Preferably, installation mechanism includes two fixed plates of fixed connection in screening appearance body bottom side by side, the mount pad top seted up with fixed plate assorted fluting, and the fluting left side sets up for the opening, the draw-in groove has been seted up to the fixed plate bottom, it has seted up the cavity to lie in fluting below department on the mount pad, be equipped with the arm-tie in the cavity, the arm-tie top is equipped with the cardboard that the cross-section is "U" font, through pivot swing joint between cardboard and the arm-tie, and cardboard top inner wall fixedly connected with bottom and arm-tie fixed connection's first spring, set up the logical groove of putting through mutually between cavity and the fluting, logical groove is run through at the cardboard top to the draw-in groove joint.

Preferably, the top of the pulling plate is fixedly connected with a first baffle, and the left side of the first baffle is fixedly connected with a second spring fixedly connected with the inner wall of the cavity.

Preferably, the cross sections of the fixing plate and the groove are inverted T-shaped, the right side of the inner cavity of the groove is fixedly connected with a third spring, and the left side of the third spring is fixedly connected with a push plate attached to the right side of the fixing plate.

Preferably, the inner wall of the left side of the circular ring is provided with a groove, the left side of the groove is provided with a through hole, the groove is internally provided with an insertion rod and a second baffle, the left end of the insertion rod penetrates through the through hole and is fixedly connected with a pulling block, the right side of the insertion rod penetrates through the second baffle, the outer side of the insertion rod is sleeved with a fourth spring fixedly connected with the groove and the second baffle, and the left side of the vertical pipe is close to the movable block and is provided with a jack.

Preferably, the montant left and right sides is close to bottom department and the equal fixedly connected with slider in fixed block top, standpipe left and right sides inner wall and mount pad bottom all seted up with adjacent slider assorted spout.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the screening instrument body can be supported through the matching of the mounting seat, the vertical rod, the vertical pipe and the first supporting plate, so that the pressure on arms is reduced, and the height and the position of the screening instrument body can be adjusted through improving the matching among the movable block, the vertical rod, the fixed block and the screw rod, so that the screening instrument is convenient to use;

2. the fixed plate and the mounting seat are clamped through the matching among the mounting seat, the fixed plate, the clamping plate and the pulling plate, so that the screening instrument body is conveniently detached from the mounting seat, and the influence on the lifting use of the screening instrument body can be avoided.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a left side sectional view of the mounting base of the present invention;

FIG. 3 is a top view of the supporting frame of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 1;

fig. 5 is an enlarged view of fig. 1 at B.

Reference numbers in the figures: 1. a screening instrument body; 2. a mounting seat; 3. a vertical rod; 4. a movable block; 5. a vertical tube; 6. a first support plate; 7. a support block; 8. a second support plate; 9. clamping a plate; 10. a fixing plate; 11. pulling a plate; 12. a circular ring; 13. inserting a rod; 14. a screw; 15. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a vision screening device comprises a screening instrument body 1, wherein the screening instrument body 1 is installed on an installation base 2 located below the screening instrument body 1, an installation mechanism is arranged between the screening instrument body 1 and the installation base 2, and the bottom of the installation base 2 is fixedly connected with a supporting frame consisting of an adjusting part and a supporting part;

the mounting mechanism comprises two fixing plates 10 which are fixedly connected to the bottom of the screening instrument body 1 side by side, the top of the mounting seat 2 is provided with a groove matched with the fixing plates 10, the left side of the groove is provided with an opening, the bottom of the fixing plate 10 is provided with a clamping groove, a cavity is formed in the mounting seat 2 and located below the groove, a pull plate 11 is arranged in the cavity, a clamping plate 9 with a U-shaped cross section is arranged at the top of the pull plate 11, the clamping plate 9 is movably connected with the pull plate 11 through a rotating shaft, a first spring fixedly connected with the bottom of the inner wall of the top of the clamping plate 9 and the pull plate 11 is fixedly connected to the inner wall of the top of the clamping plate 9, through grooves are formed between the cavity and the groove, the top of the clamping plate 9 penetrates through the through grooves, the clamping grooves are clamped, and the mounting and dismounting of the screening instrument body 1 are facilitated;

the top of the pulling plate 11 is fixedly connected with a first baffle, the left side of the first baffle is fixedly connected with a second spring fixedly connected with the inner wall of the cavity, so that the pulling plate 11 is convenient to reset, the cross sections of the fixing plate 10 and the groove are inverted 'T' -shaped, the right side of the inner cavity of the groove is fixedly connected with a third spring, the left side of the third spring is fixedly connected with a push plate attached to the right side of the fixing plate 10, so that the screening instrument body 1 is stably installed, the fixing plate 10 is pushed to abut against the clamping plate 9 through the elasticity of the third spring, and the screening instrument body 1 is prevented from deviating on the installation seat 2;

the adjusting part comprises a vertical rod 3 with threads on the outer wall and a vertical pipe 5 sleeved on the outer side of the vertical rod 3, the vertical rod 3 is fixedly connected to the bottom of the mounting seat 2, the top of the vertical pipe 5 is movably connected with a movable block 4, the movable block 4 is provided with a second threaded hole in threaded connection with the vertical rod 3, the bottom of the mounting seat 2 is slidably connected with a fixed block 15, the left side and the right side of the fixed block 15 are both provided with vertical plates fixedly connected with the mounting seat 2, the fixed block 15 and the vertical plates are respectively provided with a first threaded hole and a through hole, the first threaded hole is in threaded connection with a screw rod 14, two ends of the screw rod 14 penetrate through adjacent through holes and are fixedly connected with limiting plates, and a knob is fixedly connected to the limiting plate at the right end of the screw rod 14;

the supporting part comprises three first supporting plates 6 distributed around the vertical pipe 5 in an annular array shape and a second supporting plate 8 connecting the first supporting plates 6 with the vertical pipe 5, the cross section of the first supporting plate 6 is U-shaped, the second supporting plate 8 is positioned on the inner side of the first supporting plate 6, the two ends of the second supporting plate are respectively movably connected with the vertical pipe 5 and the first supporting plate 6 through a connecting plate and a rotating shaft, the outer side of the vertical pipe 5 is sleeved with a ring 12, the top of the first supporting plate 6 is movably connected with the ring 12 through the connecting plate and the rotating shaft, and the bottom of the first supporting plate 6 is movably connected with a supporting block 7 through the connecting plate and the rotating shaft;

a groove is formed in the inner wall of the left side of the circular ring 12, a through hole is formed in the left side of the groove, an inserting rod 13 and a second baffle plate are arranged in the groove, the left end of the inserting rod penetrates through the through hole and is fixedly connected with a pull block, the right side of the inserting rod 13 penetrates through the second baffle plate, a fourth spring fixedly connected with the groove and the second baffle plate is sleeved on the outer side of the inserting rod 13, a jack is formed in the position, close to the movable block 4, of the left side of the vertical pipe 5, the circular ring 12 is fixed when the vertical pipe is folded, and the circular ring 12 is prevented from moving to enable the first supporting plate 6 to be opened;

the utility model discloses a montant 3, including the fixed block, the fixed block 15, the montant 3 left and right sides is close to bottom department and the equal fixedly connected with slider in fixed block 15 top, and 5 left and right sides inner walls of standpipe and mount pad 2 bottoms all set up with adjacent slider assorted spout, carry on spacingly to montant 3 and mount pad 2, avoid montant 3 to rotate along with movable block 4, deflect when avoiding mount pad 2 to remove.

The working principle is as follows: when in use, the inserted rod 13 is pulled out of the jack, the ring 12 is moved downwards, the three first supporting plates 6 are unfolded through the second supporting plate 8, the vertical pipe 5 is stably supported on the ground through the supporting blocks 7 to support the screening instrument body 1, the vertical pipe 3 is moved upwards through rotating the movable block 4 during screening, so that the screening instrument body 1 is driven to move upwards and downwards to adjust the height of the screening instrument body 1, the screening instrument can be suitable for people with different heights, meanwhile, the screw 14 is driven to rotate through rotating the knob, the screw 14 is driven to move relative to the fixed block 15, the mounting seat 2 and the screening instrument body 1 are driven to move, and therefore, the horizontal position of the screening instrument body 1 is finely adjusted, and the eyes are conveniently aligned, after the screening, pulling arm-tie 11 leftwards, drive cardboard 9 and move left and deflect downwards, make cardboard 9 keep away from the draw-in groove, thereby can shift out fixed plate 10 from the fluting, pull down screening appearance body 1 from mount pad 2 with this, can deposit respectively and carry screening appearance body 1 and support frame, can shift up ring 12 to inserted bar 13 and jack alignment simultaneously, make first backup pad 6 upwards deflect to with the laminating of standpipe 5, and inserted bar 13 pegs graft in the jack under the effect of fourth spring, fix ring 12, it packs up montant 3 to rotate movable block 4, laminate to movable block 4 and fixed block 15, with this support frame of packing up, portable support frame.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vision screening device, includes screening appearance body (1), its characterized in that: the screening instrument body (1) is arranged on an installation seat (2) positioned below the screening instrument body, an installation mechanism is arranged between the screening instrument body (1) and the installation seat (2), and the bottom of the installation seat (2) is fixedly connected with a support frame consisting of an adjusting part and a supporting part;

the adjusting part comprises a vertical rod (3) with threads formed in the outer wall and a vertical pipe (5) sleeved on the outer side of the vertical rod (3), the vertical rod (3) is fixedly connected to the bottom of the mounting seat (2), the top of the vertical pipe (5) is movably connected with a movable block (4), a second threaded hole in threaded connection with the vertical rod (3) is formed in the movable block (4), a fixed block (15) is slidably connected to the bottom of the mounting seat (2), vertical plates fixedly connected with the mounting seat (2) are arranged on the left side and the right side of the fixed block (15), a first threaded hole and a through hole are formed in the fixed block (15) and the vertical plates respectively, a screw (14) is in threaded connection with the first threaded hole, two ends of the screw (14) penetrate through adjacent through holes and are fixedly connected with a limiting plate, and a knob is fixedly connected to the limiting plate at the right end of the screw (14);

the support frame includes that three encircles first backup pad (6) that standpipe (5) is ring array form and distributes and second backup pad (8) of connecting first backup pad (6) and standpipe (5), the cross section of first backup pad (6) is "U" font, second backup pad (8) are located first backup pad (6) inboardly, and both ends pass through the connecting plate and pivot respectively with standpipe (5) and first backup pad (6) swing joint, standpipe (5) outside cover is equipped with ring (12), connecting plate and pivot and ring (12) swing joint are passed through to first backup pad (6) top, and have supporting shoe (7) through connecting plate and pivot swing joint in first backup pad (6) bottom.

2. A vision screening device as recited in claim 1, wherein: the installation mechanism comprises two fixed plates (10) which are fixedly connected to the bottom of the screening instrument body (1) side by side, a groove matched with the fixed plates (10) is formed in the top of the installation seat (2), the left side of the groove is formed by an opening, a clamping groove is formed in the bottom of the fixed plate (10), a cavity is formed in the lower portion of the groove in the installation seat (2), a pulling plate (11) is arranged in the cavity, a clamping plate (9) with a U-shaped cross section is arranged at the top of the pulling plate (11), the clamping plate (9) is movably connected with the pulling plate (11) through a rotating shaft, a first spring is fixedly connected to the bottom of the inner wall of the top of the clamping plate (9) and fixedly connected to the pulling plate (11), a through groove communicated with the groove is formed in the cavity and the groove, and the top of the clamping plate (9) is communicated with the through groove and clamped with the clamping groove.

3. A vision screening apparatus as recited in claim 2, wherein: the top of the pulling plate (11) is fixedly connected with a first baffle, and the left side of the first baffle is fixedly connected with a second spring fixedly connected with the inner wall of the cavity.

4. A vision screening apparatus as recited in claim 2, wherein: the cross sections of the fixing plate (10) and the groove are inverted T-shaped, the right side of the inner cavity of the groove is fixedly connected with a third spring, and the left side of the third spring is fixedly connected with a push plate attached to the right side of the fixing plate (10).

5. A vision screening apparatus as recited in claim 1, wherein: the utility model discloses a wall structure, including ring (12), recess, be equipped with the left end in the recess and run through perforation and fixedly connected with draw inserted bar (13) and the second baffle of piece, inserted bar (13) right side runs through the second baffle, inserted bar (13) outside cover is equipped with the fourth spring with the equal fixed connection of recess and second baffle, standpipe (5) left side is close to movable block (4) and locates to have seted up the jack.

6. A vision screening apparatus as recited in claim 1, wherein: the utility model discloses a fixing device for the building, including montant (3), standpipe (5), mounting seat (2), the montant left and right sides is close to bottom department and the equal fixedly connected with slider in fixed block (15) top, standpipe (3) left and right sides inner wall and mounting seat (2) bottom all seted up with adjacent slider assorted spout.