CN215272670U

CN215272670U - Portable handheld vision screening instrument

Info

Publication number: CN215272670U
Application number: CN202120718321.0U
Authority: CN
Inventors: 余俊毅; 梁向涛
Original assignee: Shilimei Optometry Technology Group Xi'an Co ltd
Current assignee: Shilimei Optometry Technology Group Xi'an Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-12-24
Anticipated expiration: 2031-04-08

Abstract

The utility model relates to an eyesight testing technical field discloses portable handheld vision screening appearance, including the host computer body, the outside cover of the host computer body is equipped with the protective housing, all be provided with the spout on the both sides wall in the protective housing, it is provided with the sliding block to slide in the spout, the one end of sliding block extends to the outside and is connected with the host computer body the upper portion of spout is provided with stop gear, stop gear realizes that the host computer body promotes fixedly, the upper portion of protective housing is provided with the slip apron, the slip apron slides and realizes the inside closure of protective housing. The utility model discloses a protective housing that sets up has effectively protected the host computer body, and the handle portable who sets up on the protective housing simultaneously, stop gear realize the fixed of the host computer body, and the steadiness of the fixed further increase host computer body of joint of slip apron and draw-in groove need not both hands and drags the right, and it is convenient to have brought for student's strength examination.

Description

Portable handheld vision screening instrument

Technical Field

The utility model relates to an eyesight testing technical field especially relates to portable handheld eyesight screening appearance.

Background

The eyesight screening is the most main detection means of student's eyesight detection, and this kind of instrument has advantages such as objective, accuracy, quick, but current eyesight screening appearance inconvenient when using and carry, and need both hands to drag when using and operate, has certain inconvenience when using, consequently waits urgently now to design a portable handheld eyesight screening appearance, solves the problem of not operating well when using.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable handheld vision sieve appearance, the host computer body has effectively been protected through the protective housing that sets up, the handle portable who sets up on the protective housing simultaneously, the host computer body takes out it from the protective housing through the handle when using, stop gear realizes the fixed of the host computer body, the fixed advantage that further increases the steadiness of the host computer body of joint of sliding cover board and draw-in groove simultaneously, it is inconvenient when using and carry to have solved current vision sieve appearance, and need both hands to drag when using to hold up and operate, there is certain inconvenient problem when using.

According to the utility model discloses portable handheld vision screening appearance, including the host computer body, the outside cover of the host computer body is equipped with the protective housing, all be provided with the spout on the both sides wall in the protective housing, it is provided with the sliding block to slide in the spout, the one end of sliding block extends to the outside and is connected with the host computer body the upper portion of spout is provided with stop gear, stop gear realizes that the host computer body promotes fixedly, the upper portion of protective housing is provided with the slip apron, the slip apron slides and realizes the inside closure of protective housing.

Further, one side of the host computer body is provided with the inspection socket, the opposite side of the host computer body is provided with the display screen, the eyesight on the inspection socket can show on the display screen the below of display screen is provided with the control key, the control key is connected with the host computer body electricity.

Further, the lower part of the host computer body is provided with a protection pad, a buffer groove matched with the protection pad is arranged on the bottom wall in the protection shell.

Further, the top of the host computer body is provided with the handle, and external force acts on the handle, the host computer body realizes upwards roll-off from the protective housing.

Further, stop gear is including setting up the spacing groove in the sliding block, be provided with the spring on the diapire of spacing groove, the one end of spring is provided with the baffle, the outer wall and the spacing inslot wall of baffle laminate mutually.

Furthermore, one side of baffle is provided with flexible post, the one end of flexible post is extended the spacing groove and the end butt has the push pedal, one side of push pedal is provided with the spliced pole.

Further, the one end of spliced pole is run through protective housing and end department and is provided with spacing pad, the push pedal sets up the flexible inslot in spout one side, flexible post extends to flexible inslot when the host computer body is fixed.

Further, the lower part that the host computer body lies in the inspection opening is provided with the draw-in groove, when the host computer body is fixed at stop gear, the one end of sliding cover plate slides and increases the host computer body steadiness to the draw-in groove in.

Further, be provided with the handle on the outer wall of protective housing, the both ends of handle all are provided with the rotating pin, the rotating pin lock joint is on the lateral wall of protective housing.

Furthermore, the inner wall of the inspection opening is provided with a comfortable cushion, and the comfortable cushion is matched with the arc contour of the eye of the human body.

Compared with the prior art, the utility model beneficial effect who has is:

1. the main machine body is effectively protected through the arranged protective shell, meanwhile, the handle arranged on the protective shell is convenient to carry, the main machine body is taken out of the protective shell through the handle when in use, the limiting mechanism realizes the fixation of the main machine body, meanwhile, the sliding cover plate is fixedly connected with the clamping groove in a clamping manner, the stability of the main machine body is further improved, and the main machine body is not required to be dragged by two hands when in use, so that convenience is brought to the physical screening of students;

2. the sliding block that sets up and the cooperation of spout have realized that the host computer body slides from top to bottom in the protective housing, the host computer body is when sliding to upper portion, under the effect of spring force, the baffle promotes flexible post and removes to flexible inslot and push pedal inconsistent, the fixing of the host computer body has been accomplished promptly, when needs descend, advance the spliced pole on the protective housing outer wall, spliced pole extrusion push pedal makes flexible post remove once more to spacing inslot, the sliding block alright slide in the spout once more this moment, and the operation is convenient, the convenience of the host computer body use has been improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a back sectional view of the portable handheld vision screening device of the present invention;

FIG. 2 is a front sectional view of the portable handheld vision screening device of the present invention;

FIG. 3 is an enlarged view of the structure of the area A in FIG. 2;

fig. 4 is a top view of the portable handheld vision screening instrument provided by the utility model.

In the figure: 1-main machine body, 2-protective shell, 3-protective pad, 4-sliding block, 5-sliding groove, 6-handle, 7-display screen, 8-control key, 9-limiting mechanism, 10-limiting groove, 11-spring, 12-baffle, 13-telescopic column, 14-push plate, 15-connecting column, 16-sliding cover plate, 17-handle and 18-inspection opening.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1-4, the preferred embodiment of the present invention is shown.

A portable handheld vision screening instrument comprises a main machine body 1, a protective shell 2 is sleeved outside the main machine body 1, sliding grooves 5 are formed in two side walls in the protective shell 2, sliding blocks 4 are arranged in the sliding grooves 5 in a sliding mode, one ends of the sliding blocks 4 extend to the outside and are connected with the main machine body 1, a limiting mechanism 9 is arranged on the upper portion of the sliding grooves 5, the main machine body 1 is lifted and fixed through the limiting mechanism 9, a sliding cover plate 16 is arranged on the upper portion of the protective shell 2, the sliding cover plate 16 slides to seal the inside of the protective shell 2, a handle 6 is arranged at the top end of the main machine body 1, external force acts on the handle 6, the main machine body 1 slides upwards from the protective shell 2, the main machine body 1 is effectively protected through the arranged protective shell 2, the main machine body 1 is taken out of the protective shell 2 through the handle 6 when in use, the limiting mechanism 9 realizes the fixing of the main machine body 1, and meanwhile the clamping and the sliding cover plate 16 and a clamping groove are clamped and fixed to further increase the stability of the main machine body 1, when in use, the student does not need to be dragged by two hands, thereby bringing convenience for the strength screening of the student.

In this embodiment, one side of the main body 1 is provided with an inspection opening 18, the other side of the main body 1 is provided with a display screen 7, the eyesight on the inspection opening 18 can be displayed on the display screen 7, a control key 8 is arranged below the display screen 7, the control key 8 is electrically connected with the main body 1, and the control key 8 can adjust the display parameters of the display screen.

In this embodiment, the lower part of the main body 1 is provided with the protection pad 3, is provided with the dashpot with protection pad 3 looks adaptation on the diapire in the protective housing 2, protects the main body 1, prevents that the impact is too big when the main body 1 descends from causing the damage.

In this embodiment, the limiting mechanism 9 includes a limiting groove 10 disposed in the sliding block 4, a spring 11 is disposed on the bottom wall of the limiting groove 10, a baffle 12 is disposed at one end of the spring 11, the outer wall of the baffle 12 is attached to the inner wall of the limiting groove 10, a telescopic column 13 is disposed at one side of the baffle 12, one end of the telescopic column 13 extends out of the limiting groove 10 and has an end abutting against a push plate 14, a connection column 15 is disposed at one side of the push plate 14, one end of the connection column 15 penetrates through the protective casing 2 and has a limiting pad at the end, the push plate 14 is disposed in the telescopic groove at one side of the sliding chute 5, the telescopic column 13 extends into the telescopic groove when the main body 1 is fixed, when the main body 1 slides to the upper portion, the baffle 12 pushes the telescopic column 13 to move into the telescopic groove to abut against the push plate 14 under the action of the elastic force of the spring 11, that the main body 1 is fixed, when it needs to descend, the connection column 15 on the outer wall of the protective casing 2 is pressed, the connecting column 15 extrudes the push plate 14 to enable the telescopic column 14 to move into the limiting groove 10 again, and at the moment, the sliding block 4 can slide in the sliding groove 5 again.

In this embodiment, the lower part of the main body 1 located in the inspection opening 18 is provided with a clamping groove, when the main body 1 is fixed at the limiting mechanism 9, one end of the sliding cover plate 16 slides into the clamping groove to increase the stability of the main body 1, the outer wall of the protective shell 2 is provided with the handle 17, both ends of the handle 17 are provided with the rotating pins, the rotating pins are fastened on the outer side wall of the protective shell 2, the handle 17 arranged on the protective shell 2 is convenient to carry, the main body 1 is taken out of the protective shell 2 through the handle 6 when in use, and the sliding cover plate 16 is fixed with the clamping groove in a clamping manner to further increase the stability of the main body 1.

In this embodiment, all be provided with comfortable pad on the inner wall of inspection opening 18, comfortable pad and human eye arc profile looks adaptation, like this the student when examining power, eye and comfortable pad are laminated mutually, and the travelling comfort is good.

In the technical scheme, when the portable computer is carried, the host machine body 1 is effectively protected by the arranged protective shell 2, meanwhile, the handle 17 arranged on the protective shell 2 is convenient to carry, the host machine body 1 is taken out from the protective shell 2 through the handle 6 when in use, the limiting mechanism 9 realizes the fixation of the host machine body 1, meanwhile, the sliding cover plate 16 is fixedly connected with the clamping groove in a clamping way, the stability of the host machine body 1 is further improved, the host machine body is not required to be dragged by two hands when in use, the host machine body 1 slides up and down in the protective shell 2 through the matching of the arranged sliding block 4 and the sliding groove 5, when the host machine body 1 slides to the upper part, the baffle plate 12 pushes the telescopic column 13 to move into the telescopic groove to be abutted against the push plate 14 under the action of the elastic force of the spring 11, namely, the fixation of the host machine body 1 is finished, when the host machine body is required to descend, the connecting column 15 presses the push plate 14 to enable the telescopic column 14 to move into the limiting groove 10 again, at this moment, the sliding block 4 can slide in the sliding groove 5 again, the operation is convenient, and the use convenience of the main machine body 1 is improved.

In this embodiment, the whole operation process can be controlled by a computer, and PLC and the like are added to realize automatic operation control, and in each operation link, signal feedback can be performed by setting a sensor to realize sequential execution of steps, which are conventional knowledge of the current automatic control, and are not repeated in this embodiment.

The details of the present invention are well known to those skilled in the art.

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. Portable handheld vision screening appearance, its characterized in that: including the host computer body, the outside cover of the host computer body is equipped with the protective housing, all be provided with the spout on the both sides wall in the protective housing, it is provided with the sliding block to slide in the spout, the one end of sliding block extends to outside and is connected with the host computer body the upper portion of spout is provided with stop gear, stop gear realizes that the host computer body promotes fixedly, the upper portion of protective housing is provided with the slip apron, the slip apron slides and realizes the inside closure of protective housing.

2. The portable handheld vision screening instrument of claim 1, wherein: one side of the host computer body is provided with the inspection socket, the opposite side of the host computer body is provided with the display screen, eyesight on the inspection socket can show on the display screen the below of display screen is provided with the control key, the control key is connected with host computer body electricity.

3. The portable handheld vision screening instrument of claim 2, wherein: the lower part of the host computer body is provided with a protective pad, a buffer slot matched with the protective pad is arranged on the bottom wall in the protective shell.

4. The portable handheld vision screening instrument of claim 3, wherein: the top of the host computer body is provided with the handle, and external force acts on the handle, the host computer body realizes upwards roll-off from the protective housing.

5. The portable handheld vision screening instrument of any one of claims 1-4, wherein: stop gear is including setting up the spacing groove in the sliding block, be provided with the spring on the diapire of spacing groove, the one end of spring is provided with the baffle, the outer wall and the spacing inslot wall of baffle laminate mutually.

6. The portable handheld vision screening instrument of claim 5, wherein: one side of baffle is provided with flexible post, the spacing groove is extended to the one end of flexible post and the end butt has the push pedal, one side of push pedal is provided with the spliced pole.

7. The portable handheld vision screening instrument of claim 6, wherein: the one end of spliced pole is run through protective housing and end department and is provided with spacing pad, the push pedal sets up the flexible inslot in spout one side, flexible post extends to flexible inslot when the host computer body is fixed.

8. The portable handheld vision screening instrument of claim 4, wherein: the lower part that the host computer body lies in the inspection opening is provided with the draw-in groove, the host computer body is when stop gear is fixed, the one end of sliding cover plate slides and increases the host computer body steadiness to the draw-in groove in.

9. The portable handheld vision screening instrument of claim 8, wherein: the handle is arranged on the outer wall of the protective shell, the two ends of the handle are provided with rotating pins, and the rotating pins are fastened on the outer side wall of the protective shell.

10. The portable handheld vision screening instrument of claim 9, wherein: the inner wall of the inspection opening is provided with a comfortable pad which is matched with the arc-shaped outline of the eye of a human body.