CN213821354U

CN213821354U - Vertically adjusting device for visual field instrument

Info

Publication number: CN213821354U
Application number: CN202022783869.1U
Authority: CN
Inventors: 张艳明; 郑雯
Original assignee: Shenzhen Polytechnic
Current assignee: Shenzhen Polytechnic
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-30
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a visual field instrument up-and-down adjusting device, which comprises a machine body and a detection area arranged on the surface of the machine body, wherein an opening of the detection area is provided with a eyebrow support and a base plate, the front surface of the base plate is provided with a chin support, the interior of the machine body is provided with a plate chute relative to the bottom of the detection area, the bottom end of the base plate is positioned in the plate chute, the interior of the base plate is provided with a spring groove, the top end of the spring groove is connected with an inner bottom plate through a spring, and the front surface of the machine body is provided with a strip-; through the board spout, spring groove, infrabasal plate, bar slide, the slider of pressing down, spacing dop and spacing draw-in groove that set up for chin strap's height can be adjusted from top to bottom according to different measurement personnel's head size and use custom, has increased substantially chin strap's use flexibility and convenience in the field of vision appearance, has solved the nonadjustable problem of chin strap height in the former device.

Description

Vertically adjusting device for visual field instrument

Technical Field

The utility model belongs to the technical field of the perimeter, concretely relates to adjusting device about perimeter.

Background

The visual field instrument is an ophthalmological professional instrument used for measuring eyeball visual field in physiological teaching and medical ophthalmological nerve for necessary measurement, visual field examination plays a very important role in diagnosis and treatment of ophthalmological diseases, the visual field examination provides important information for ophthalmologists to diagnose and track main blinding eye diseases during follow-up visits, and a chin rest and a eyebrow rest are arranged at an opening of a detection area of the visual field instrument and are used for lifting the face area of the detection personnel.

Present field of vision appearance is when using, and the chin rest of detection area opening part is when using, and measurement personnel can take the chin on the chin rest, nevertheless because the head size that highly can't carry out according to different measurement personnel of current chin rest and use custom and adjust from top to bottom, lead to the chin rest to have certain limitation when in-service use in the current field of vision appearance, for this the utility model provides a field of vision appearance adjusting device from top to bottom.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjusting device about field of vision appearance to solve the current field of vision appearance that proposes in the above-mentioned background art when using, the chin strap of detection area opening part is when using, and measurement personnel can take the chin on the chin strap, nevertheless because the height that has the chin strap is unable to carry out upper and lower regulation according to different measurement personnel's head size and use custom, there is certain limitation problem in the chin strap when in-service use in the current field of vision appearance that leads to.

In order to achieve the above object, the utility model provides a following technical scheme: a vertical adjusting device of a perimeter comprises a machine body and a detection area arranged on the surface of the machine body, wherein a brow support and a base plate are arranged at an opening of the detection area, a chin support is arranged on the front surface of the base plate, a plate sliding groove is formed in the machine body relative to the bottom of the detection area, the bottom end of the base plate is positioned in the plate sliding groove, a spring groove is formed in the base plate, the top end of the spring groove is connected with an inner bottom plate through a spring, a bar-shaped sliding way is formed in the front surface of the machine body, a pressing sliding block is arranged on the inner side of the bar-shaped sliding way, the bottom end of the pressing sliding block penetrates through the inner side of the spring groove and is fixed with the inner bottom plate, two limiting clamping heads are symmetrically fixed on the surface of the inner bottom plate relative to the two sides of the pressing sliding block, a plurality of limiting clamping grooves corresponding to the limiting clamping heads are uniformly formed in the inner wall of the plate sliding groove relative to the two sides of the bar-shaped sliding way, the top end of the limiting clamping head is positioned on the inner side of one limiting clamping groove.

Preferably, the top surface mounting of chin rest has the soft cushion of arc, and is equipped with coupling mechanism between soft cushion of arc and the chin rest.

Preferably, coupling mechanism is including setting up two arc inserted blocks on the soft cushion bottom surface of arc, the surface of chin rest is run through and is seted up and to be perforated with the corresponding bar of arc inserted block, the both sides surface of arc inserted block all is equipped with the side card strip of integral type, just side card strip card is at the bottom surface of chin rest.

Preferably, the front surface of base plate is seted up and is held in the palm the corresponding mounting groove with the chin, the bottom mounting of chin rest has a plurality of threaded rods, the bottom of chin rest inserts in the mounting groove, and the top of threaded rod runs through to the rear surface of base plate, the top surface cover of threaded rod is equipped with fastening nut.

Preferably, the top surface of the pressing slider is provided with a bolt groove, a fixing bolt is arranged on the inner side of the bolt groove, the surface of the inner bottom plate is provided with a threaded hole corresponding to the bolt, and the bottom end of the fixing bolt penetrates into the threaded hole.

Preferably, the surface of the top end of the pressing sliding block is provided with an anti-slip rubber block, the inner side of the anti-slip rubber block is provided with an integrated inner plug block, and the inner plug block is clamped on the inner side of the bolt groove.

Preferably, the surface of the bolt groove is provided with an integrated snap ring, and the inner wall of the bolt groove is provided with an annular groove corresponding to the snap ring.

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

1. through the board spout, spring groove, infrabasal plate, bar slide, the slider of pressing down, spacing dop and spacing draw-in groove that set up for chin strap's height can be adjusted from top to bottom according to different measurement personnel's head size and use custom, has increased substantially chin strap's use flexibility and convenience in the field of vision appearance, has solved the nonadjustable problem of chin strap height in the former device.

2. The soft cushion of arc, arc inserted block, side card strip and the bar that sets up are perforated, can improve the comfort level when testing personnel take the chin at chin rest top, avoid hard uncomfortable problem of leading to the fact testing personnel chin because of chin rest texture, and the soft cushion of arc easily installs and subsequent dismantlement is changed.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the area A in FIG. 1 according to the present invention;

fig. 3 is a top cross-sectional view of the connection between the pressing slider and the base plate according to the present invention;

fig. 4 is a side sectional view of a joint of a chin bar and a base plate according to embodiment 2 of the present invention;

in the figure: 1. a body; 2. supporting the eyebrows; 3. detecting a region; 4. a substrate; 5. a chin rest; 6. a strip-shaped slideway; 7. an anti-skid rubber block; 8. an arc-shaped soft rubber cushion; 9. an arc-shaped insert block; 10. side clamping strips; 11. a spring slot; 12. an inner bottom plate; 13. a limiting chuck; 14. a limiting clamping groove; 15. a bolt slot; 16. an inner chock block; 17. the slider is pressed.

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.

Example 1

Referring to fig. 1 to 3, the present invention provides a technical solution: a visual field instrument up-down adjusting device comprises a machine body 1 and a detection area 3 arranged on the surface of the machine body 1, wherein a eyebrow support 2 and a base plate 4 are arranged at an opening of the detection area 3, the base plate 4 is arranged at the bottom of the eyebrow support 2, a chin support 5 is arranged on the front surface of the base plate 4, a plate sliding groove is formed in the machine body 1 relative to the bottom of the detection area 3, the bottom end of the base plate 4 is arranged in the plate sliding groove, a spring groove 11 is formed in the base plate 4, the top end of the spring groove 11 is connected with an inner bottom plate 12 through a spring, a strip-shaped slideway 6 is arranged on the front surface of the machine body 1, a pressing slider 17 is arranged on the inner side of the strip-shaped slideway 6, the bottom end of the pressing slider 17 penetrates through the inner side of the spring groove 11 to be welded and fixed with the inner bottom plate 12, two limiting chucks 13 are symmetrically fixed on the surface of the inner bottom plate 12 relative to the two sides of the pressing slider 17, a plurality of limiting chucks 14 corresponding to the limiting chucks 13 are uniformly arranged on the inner wall of the strip-shaped slideway 6, the top of spacing dop 13 is in the inboard of one of them spacing draw-in groove 14 for the height of chin rest 5 can be adjusted from top to bottom according to different testing personnel's head size and use custom.

In this embodiment, preferably, the top end surface of the pressing slider 17 is provided with a bolt groove 15, the inner side of the bolt groove 15 is provided with a fixing bolt, the surface of the inner base plate 12 is provided with a threaded hole corresponding to the bolt, and the bottom end of the fixing bolt penetrates into the threaded hole, so that the pressing slider 17 can be fixedly connected with the inner base plate 12 through the fixing bolt.

In this embodiment, preferably, the surface of the top end of the pressing slider 17 is provided with the anti-slip rubber block 7, the inner side of the anti-slip rubber block 7 is provided with the integrated inner plug 16, the inner plug 16 is clamped on the inner side of the bolt groove 15, the surface of the bolt groove 15 is provided with the integrated snap ring, and the inner wall of the bolt groove 15 is provided with the annular groove corresponding to the snap ring, so that the bolt groove 15 can be plugged in daily use.

Example 2

Referring to fig. 1 to 4, the present invention provides a technical solution: a visual field instrument up-down adjusting device comprises a machine body 1 and a detection area 3 arranged on the surface of the machine body 1, wherein a eyebrow support 2 and a base plate 4 are arranged at an opening of the detection area 3, the base plate 4 is arranged at the bottom of the eyebrow support 2, a chin support 5 is arranged on the front surface of the base plate 4, a plate sliding groove is formed in the machine body 1 relative to the bottom of the detection area 3, the bottom end of the base plate 4 is arranged in the plate sliding groove, a spring groove 11 is formed in the base plate 4, the top end of the spring groove 11 is connected with an inner bottom plate 12 through a spring, a strip-shaped slideway 6 is arranged on the front surface of the machine body 1, a pressing slider 17 is arranged on the inner side of the strip-shaped slideway 6, the bottom end of the pressing slider 17 penetrates through the inner side of the spring groove 11 to be welded and fixed with the inner bottom plate 12, two limiting chucks 13 are symmetrically fixed on the surface of the inner bottom plate 12 relative to the two sides of the pressing slider 17, a plurality of limiting chucks 14 corresponding to the limiting chucks 13 are uniformly arranged on the inner wall of the strip-shaped slideway 6, the top of spacing dop 13 is in the inboard of one of them spacing draw-in groove 14 for the height of chin rest 5 can be adjusted from top to bottom according to different testing personnel's head size and use custom.

In this embodiment, preferably, the top surface mounting of chin rest 5 has soft cushion 8 of arc, and soft cushion 8 of arc is by the silica gel material component, can improve the comfort level when testing personnel take the chin at chin rest 5 top, and is equipped with coupling mechanism between soft cushion 8 of arc and chin rest 5.

In this embodiment, preferably, coupling mechanism is including setting up two arc inserted blocks 9 at the soft cushion 8 bottom surface of arc, and the surface of chin rest 5 runs through and sets up the bar perforation corresponding with arc inserted block 9, and the both sides surface of arc inserted block 9 all is equipped with the side card strip 10 of integral type, and arc inserted block 9 and side card strip 10 are by silica gel material component, and the card strip 10 card of side is on the bottom surface of chin rest 5 for the soft cushion 8 of arc easily installs.

In this embodiment, preferably, the front surface of the substrate 4 is provided with a mounting groove corresponding to the chin rest 5, the bottom end of the chin rest 5 is fixed with a plurality of threaded rods, the bottom end of the chin rest 5 is inserted into the mounting groove, the top end of the threaded rod penetrates through the rear surface of the substrate 4, and the top end surface of the threaded rod is sleeved with a fastening nut, so that the chin rest 5 is easy to mount.

The utility model discloses a theory of operation and use flow: when the height of the chin rest 5 needs to be adjusted up and down according to the head size and the use habit of a tester, the tester only needs to press the anti-skid rubber block 7 to enable the pressing slide block 17 to press the inner bottom plate 12 and gradually compress the spring on the inner side of the spring groove 11 until the top end of the limiting clamp 13 moves out of the inner side of the limiting clamp groove 14, so that the limiting clamp 13 can not limit the position of the base plate 4 any more, the base plate 4 moves up and down at the moment, the height of the base plate 4 and the chin rest 5 can be changed, after the height is adjusted to be proper, the anti-skid rubber block 7 only needs to be loosened to enable the spring on the inner side of the spring groove 11 to push the inner bottom plate 12 and the limiting clamp 13 back until the top end of the limiting clamp 13 can be clamped into the nearest limiting clamp groove 14 at the nearby position, so that the limiting of the base plate 4 can be completed, the height adjustment of the chin rest 5 can be completed, and the height of the chin rest 5 can be adjusted up and down according to the head sizes and the use habits of different testers, the problem that the height of the chin rest 5 in the original device is not adjustable is solved;

when needs install the soft cushion 8 of arc at the top of chin rest 5, only need aim at the arc inserted block 9 of the soft cushion 8 bottom of arc and perforate the hard push down of bar, cause arc inserted block 9 and side card strip 10 pressurized deformation, can run through to the bottom of chin rest 5 until the bottom of arc inserted block 9, and make side card strip 10 card at the bottom surface of chin rest 5, can be smooth install the soft cushion 8 of arc at the top surface of chin rest 5, when follow-up testing personnel need to take the chin when the top of chin rest 5, can directly take the chin on the surface of the soft cushion 8 of arc, because of the soft cushion 8 of arc is by the soft silica gel material component of texture, can improve the comfort level of testing personnel when taking the chin rest 5 top, avoid causing the uncomfortable problem of testing personnel chin because of chin rest 5 texture is harder.

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 an adjusting device about field of vision appearance, includes organism (1) and sets up in detection area (3) on organism (1) surface, the opening part of detection area (3) is provided with eyebrow support (2) and base plate (4), and the preceding surface mounting of base plate (4) has chin rest (5), its characterized in that: the detection device is characterized in that a plate sliding groove is formed in the machine body (1) relative to the bottom of the detection area (3), the bottom end of the base plate (4) is located in the plate sliding groove, a spring groove (11) is formed in the base plate (4), the top end of the spring groove (11) is connected with an inner bottom plate (12) through a spring, a strip-shaped sliding way (6) is formed in the front surface of the machine body (1), a pressing sliding block (17) is arranged on the inner side of the strip-shaped sliding way (6), the bottom end of the pressing sliding block (17) penetrates through the inner side of the spring groove (11) to be fixed with the inner bottom plate (12), two limiting clamping heads (13) are symmetrically fixed on the surface of the inner bottom plate (12) relative to the two sides of the pressing sliding block (17), a plurality of limiting clamping grooves (14) corresponding to the limiting clamping heads (13) are uniformly formed in the inner wall of the plate sliding groove relative to the two sides of the strip-shaped sliding way (6), the top end of the limiting clamping head (13) is positioned at the inner side of one limiting clamping groove (14).

2. The up-down adjustment device for a perimeter of claim 1, wherein: the top surface mounting of chin rest (5) has soft cushion of arc (8), and is equipped with coupling mechanism between soft cushion of arc (8) and chin rest (5).

3. The up-down adjusting device for the perimeter of claim 2, wherein: coupling mechanism is including setting up two arc inserted blocks (9) on arc soft cushion (8) bottom surface, the surface of chin rest (5) runs through and sets up the bar perforation corresponding with arc inserted block (9), the both sides surface of arc inserted block (9) all is equipped with the side card strip (10) of integral type, just side card strip (10) block the bottom surface at chin rest (5).

4. The up-down adjustment device for a perimeter of claim 1, wherein: the mounting groove corresponding with chin rest (5) is seted up to the front surface of base plate (4), the bottom mounting of chin rest (5) has a plurality of threaded rods, the bottom of chin rest (5) inserts in the mounting groove, and the rear surface of base plate (4) is run through on the top of threaded rod, the top surface cover of threaded rod is equipped with fastening nut.

5. The up-down adjustment device for a perimeter of claim 1, wherein: the top end surface of the pressing sliding block (17) is provided with a bolt groove (15), the inner side of the bolt groove (15) is provided with a fixing bolt, the surface of the inner bottom plate (12) is provided with a threaded hole corresponding to the bolt, and the bottom end of the fixing bolt penetrates into the threaded hole.

6. The up-down adjustment device for the perimeter of claim 5, wherein: the anti-skidding rubber block (7) is installed on the top end surface of the pressing sliding block (17), an integrated inner plug block (16) is arranged on the inner side of the anti-skidding rubber block (7), and the inner plug block (16) is clamped on the inner side of the bolt groove (15).

7. The up-down adjustment device for the perimeter of claim 5, wherein: the surface of the bolt groove (15) is provided with an integrated snap ring, and the inner wall of the bolt groove (15) is provided with an annular groove corresponding to the snap ring.