CN215191435U

CN215191435U - Head-mounted visual function detecting instrument

Info

Publication number: CN215191435U
Application number: CN202121349728.7U
Authority: CN
Inventors: 胡淑鸾; 杨丹娜; 郑铃云; 项倩; 王笔伟
Original assignee: Zhangzhou Health Vocational College
Current assignee: Zhangzhou Health Vocational College
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-12-17
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a wear-type visual function detecting instrument, including the fixed lath, the fixed position that the fixed lath outside is located the middle part between both ends is installed and is fixed cover. A wear-type visual function detecting instrument, through No. three screw rods in the wrench movement screw hole, No. three screw rods can support the rear end of activity through-hole internal fixation bolt, be convenient for adjust a joint and a connecting strip, the elasticity between a connecting strip and No. two connecting strips and No. two joints, thereby conveniently adjust the distance between eyes and the sight glass rear end, and viewing device is for the angle that eyes formed, and easy operation, it can angle of adjustment to hold the bracing piece through swing joint spare, avoid wear-type visual function detecting instrument front end weight overweight, wear uncomfortable, the influence is observed and is detected, when inconvenient to use, No. two screw rods in the rotatable No. two through-holes, will hold the bracing piece and dismantle, dismantle convenient and fast.

Description

Head-mounted visual function detecting instrument

Technical Field

The utility model relates to a visual function detecting instrument technical field, in particular to wear-type visual function detecting instrument.

Background

The detection instrument comprises a nondestructive detection instrument, a quality detection instrument, an analysis instrument and the like, wherein the nondestructive detection instrument is classified according to functions, a detection mode and a wearing mode, and the head-mounted visual function detection instrument is an instrument which is worn on the head and used for observing by eyes; there is certain drawback in current wear-type visual function detecting instrument when using, and traditional wear-type visual function detecting instrument front end weight is overweight, wears uncomfortable, and inconvenient regulation eyes and the viewing device between the distance to and the viewing device is for the angle that eyes formed.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a head-mounted visual function detecting instrument, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a wear-type visual function detecting instrument, includes fixed lath, the fixed lath outside is located the fixed position mounting at middle part between both ends and has fixed cover, the fixed lath lower surface is close to the position movable mounting at both ends and has the sight glass, the fixed position fixed mounting that the cover rear surface is located the middle part between both ends has movable chain, the rear end fixed mounting of activity chain has the eye frame, eye frame both ends fixed mounting has an elastic cord No. one, the eye frame upper surface is located the position fixed mounting at middle part between both ends and has the elastic cord No. two, the fixed lath lower surface is close to the position fixed mounting at middle part between both ends and has the handheld bracing piece.

Preferably, a through hole is formed in the position, close to the two ends, of the lower surface of the fixed lath, a through hole is formed in the position, close to the middle part between the two ends, of the lower surface of the fixed lath, a screw rod is movably mounted in the first through hole, and a screw rod is movably mounted in the second through hole.

Preferably, the movable chain comprises a first joint, a first connecting strip, a rectangular opening, a second connecting strip, a second joint, a movable through hole, a fixed bolt, a screw hole, a third screw rod and a bolt hole, the first joint is fixedly arranged at the middle position between the two ends of the rear surface of the fixed sleeve, the rectangular opening is arranged at the position of the upper surface of the first joint at the two ends of the rear end and the upper surface of the first connecting strip, the second joint is fixedly arranged at the middle position between the two ends of the front surface of the eye frame through a bolt, the movable through hole is arranged at the position of the side surface of the second connecting strip near the two ends and the side surface of the second joint, the fixed bolt is movably arranged in the movable through hole, the screw hole is arranged at the position of the side surface of the first joint near the two ends of the side surface of the first connecting strip, the third screw rod is movably arranged in the screw hole, the bolt hole is arranged in one side, away from the third screw, of the rectangular opening.

Preferably, the end, far away from No. three screw rods, of the fixing bolt is located inside the bolt hole, the position, close to the end of the fixing bolt, of the No. three screw rods is located inside the movable through hole, the movable chain is fixedly installed on the rear surface of the fixing sleeve through a first connector and located in the middle between the two ends, and the eye frame is fixedly installed at the rear end of the movable chain through a second connector.

Preferably, the outer side of the hand-held support rod is fixedly provided with a rubber sleeve at a position close to the lower end, the upper end of the hand-held support rod is fixedly provided with a movable connecting piece, and one end of the movable connecting piece, far away from the hand-held support rod, is fixedly provided with a fixed frame.

Preferably, No. two elastic cords are kept away from eye frame one end and an elastic cord fixed connection, the sight glass is close to the position at both ends through a screw rod movable mounting in fixed lath lower surface, the mount is close to the position at middle part between the both ends through No. two screw rod fixed mounting in fixed lath lower surface, hold the position that the bracing piece is close to middle part between the both ends through mount fixed mounting in fixed lath lower surface.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the activity chain that sets up, No. three screw rods in the wrench movement screw hole, No. three screw rods can support the rear end of activity through-hole internal fixation bolt, be convenient for adjust a joint and a connecting strip, the elasticity between connecting strip and No. two connecting strips, thereby conveniently adjust the distance between eyes and the sight glass rear end, and viewing device is for the angle that eyes formed, and easy operation, through the bracing piece of holding that sets up, it can angle of adjustment to hold the bracing piece through swing joint spare, avoid wear-type visual function detecting instrument front end overweight, it is uncomfortable to wear, the influence is observed and is detected, when inconvenient to use, No. two screw rods in the rotatable No. two through-holes, dismantle the mount, thereby will hold the bracing piece and dismantle, dismantle convenient and fast.

Drawings

Fig. 1 is a schematic view of the overall structure of a head-mounted visual function testing instrument according to the present invention;

fig. 2 is a schematic sectional view of a movable chain of the head-mounted visual function detecting instrument of the present invention;

fig. 3 is a schematic view of a partial section near one end of a fixing strip of the head-mounted visual function detecting instrument of the present invention.

In the figure: 1. fixing the lath; 101. a first through hole; 102. a second through hole; 103. a first screw rod; 104. a second screw; 2. fixing a sleeve; 3. an observation mirror; 4. a movable chain; 401. a first connector; 402. a first connecting strip; 403. a rectangular opening; 404. a second connecting strip; 405. a second joint; 406. a movable through hole; 407. fixing the bolt; 408. a screw hole; 409. a third screw; 410. a pin hole; 5. an eye frame; 6. an elastic band I; 7. a second elastic band; 8. holding the support rod by hand; 801. a rubber sleeve; 802. a movable connecting piece; 803. a fixing frame.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a head-mounted visual function detecting instrument comprises a fixed lath 1, a fixed sleeve 2 is fixedly installed at a position, located at the middle part between two ends, outside the fixed lath 1, a viewing mirror 3 is movably installed at a position, located at the middle part between two ends, of the lower surface of the fixed lath 1, a movable chain 4 is fixedly installed at a position, located at the middle part between two ends, of the rear surface of the fixed sleeve 2, an eye frame 5 is fixedly installed at the rear end of the movable chain 4, a first elastic band 6 is fixedly installed at two ends of the eye frame 5, a second elastic band 7 is fixedly installed at a position, located at the middle part between two ends, of the upper surface of the eye frame 5, and a hand-holding support rod 8 is fixedly installed at a position, located at the middle part between two ends, of the lower surface of the fixed lath 1;

a first through hole 101 is formed in the position, close to the two ends, of the lower surface of the fixed lath 1, a second through hole 102 is formed in the position, close to the middle between the two ends, of the lower surface of the fixed lath 1, a first screw 103 is movably mounted inside the first through hole 101, and a second screw 104 is movably mounted inside the second through hole 102; the movable chain 4 comprises a first connector 401, a first connecting strip 402, a rectangular opening 403, a second connecting strip 404, a second connector 405, a movable through hole 406, a fixed bolt 407, a screw hole 408, a third screw 409 and a bolt hole 410, wherein the first connector 401 is fixedly arranged at the middle position between the two ends of the rear surface of the fixed sleeve 2, the rectangular opening 403 is arranged at the position of the upper surface of the first connector 401 at the rear end and the upper surface of the first connecting strip 402 at the two ends, the second connector 405 is fixedly arranged at the position of the middle position between the two ends of the front surface of the eye frame 5 through a bolt, the movable through hole 406 is arranged at the position of the side surface of the second connecting strip 404 near the two ends and the side surface of the second connector 405, the fixed bolt 407 is movably arranged in the movable through hole 406, the screw hole 408 is arranged at the position of the side surface of the first connector 401 and the side surface of the first connecting strip 402 near the two ends, the third screw 409 is movably arranged in the screw hole 408, the bolt hole 410 is formed in the rectangular opening 403 at one side far away from the third screw 409; one end of the fixed bolt 407, which is far away from the third screw rod 409, is positioned inside the bolt hole 410, the position of the third screw rod 409, which is close to one end of the fixed bolt 407, is positioned inside the movable through hole 406, the movable chain 4 is fixedly arranged on the rear surface of the fixed sleeve 2 through the first joint 401 and is positioned in the middle between the two ends, and the eye frame 5 is fixedly arranged at the rear end of the movable chain 4 through the second joint 405; a rubber sleeve 801 is fixedly arranged at a position, close to the lower end, outside the handheld support rod 8, a movable connecting piece 802 is fixedly arranged at the upper end of the handheld support rod 8, and a fixing frame 803 is fixedly arranged at one end, far away from the handheld support rod 8, of the movable connecting piece 802; no. two elastic cord 7 keep away from 5 one ends of eyes frame and an elastic cord 6 fixed connection, and sight glass 3 is close to the position at both ends through a screw rod 103 movable mounting in fixed lath 1 lower surface, and mount 803 is close to the position at middle part between the both ends through No. two screw rod 104 fixed mounting in fixed lath 1 lower surface, holds the position that bracing piece 8 is close to middle part between the both ends through mount 803 fixed mounting in fixed lath 1 lower surface.

It should be noted that, the utility model relates to a head-wearing visual function detecting instrument, when in use, the eye frame 5 is worn on the head by the elastic band 6 and the elastic band 7, the rubber sleeve 801 outside the holding support bar 8 is held by hands, the observation and detection are carried out by the observation mirror 3, the angle of the holding support bar 8 can be adjusted by the movable connecting piece 802, the problem that the head-wearing visual function detecting instrument is too heavy in front end weight, uncomfortable to wear and affects the observation and detection is avoided, when in inconvenient use, the screw rod 104 in the through hole 102 can be rotated, the fixing frame 803 can be disassembled, thereby the holding support bar 8 can be disassembled, the screw rod 409 can be twisted in the screw hole 408, the screw rod 409 can abut against the rear end of the fixed bolt 407 in the movable through hole 406, the tightness between the joint 401 and the connecting bar 402, the connecting bar 402 and the connecting bar 404 and the joint 405 can be adjusted, thereby conveniently adjusting the distance between the eyes and the rear end of the observation mirror 3 and the angle formed by the observation device relative to the eyes, and having simple operation.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A head-mounted visual function testing instrument, characterized in that: including fixed lath (1), the fixed lath (1) outside is located the fixed set (2) of fixed mounting at the middle part between both ends, the fixed lath (1) lower surface is close to the position movable mounting at both ends and has sight glass (3), the fixed set (2) rear surface is located the position fixed mounting at middle part between both ends and has movable chain (4), the rear end fixed mounting of activity chain (4) has eye frame (5), eye frame (5) both ends fixed mounting has elastic cord (6) No. one, the position fixed mounting that eye frame (5) upper surface is located the middle part between both ends has elastic cord (7) No. two, fixed lath (1) lower surface is close to the position fixed mounting at middle part between both ends and holds bracing piece (8).

2. A head-mounted visual function testing apparatus according to claim 1, wherein: a through hole (101) has been seted up to the position that fixed lath (1) lower surface is close to both ends, No. two through-holes (102) have been seted up to the position that fixed lath (1) lower surface is close to the middle part between the both ends, the inside movable mounting of a through hole (101) has screw rod (103) No. one, the inside movable mounting of through hole (102) No. two has screw rod (104) No. two.

3. A head-mounted visual function testing apparatus according to claim 1, wherein: the movable chain (4) comprises a first connector (401), a first connecting strip (402), a rectangular opening (403), a second connecting strip (404), a second connector (405), a movable through hole (406), a fixed bolt (407), a screw hole (408), a third screw rod (409) and a bolt hole (410), wherein the first connector (401) is fixedly installed at the middle position between the two ends of the rear surface of the fixed sleeve (2), the rectangular opening (403) is formed in the position, at the middle position, of the upper surface of the first connector (401), at the rear end, and the position, at the two ends, of the upper surface of the first connecting strip (402), the second connector (405) is fixedly installed at the middle position, between the two ends, of the front surface of the eyebox (5) through bolts, the movable through hole (406) is formed in the position, at the side of the second connecting strip (404), close to the two ends and the side of the second connector (405), and the fixed bolt (407) is movably installed inside the movable through hole (406), screw hole (408) are seted up and are being close to the position at both ends in a side of connecting (401) and a connecting strip (402) side, No. three screw rod (409) movable mounting is in the inside of screw hole (408), bolt hole (410) are seted up and are kept away from No. three screw rod (409) one side in rectangle opening (403).

4. A head-mounted visual function testing apparatus according to claim 3, wherein: the one end that fixed bolt (407) kept away from No. three screw rods (409) is located the inside of bolt hole (410), No. three screw rods (409) are close to the position of fixed bolt (407) one end and are located the inside of activity through-hole (406), activity chain (4) are located the position in middle part between the both ends through a joint (401) fixed mounting in fixed cover (2) rear surface, eye frame (5) are through No. two joint (405) fixed mounting in the rear end of activity chain (4).

5. A head-mounted visual function testing apparatus according to claim 2, wherein: hold bracing piece (8) outside and be close to the position fixed mounting of lower extreme have rubber sleeve (801), the upper end fixed mounting who holds bracing piece (8) has swing joint spare (802), swing joint spare (802) are kept away from and are held bracing piece (8) one end fixed mounting and have mount (803).

6. A head-mounted visual function testing apparatus according to claim 5, wherein: no. two elastic cord (7) keep away from eye frame (5) one end and an elastic cord (6) fixed connection, sight glass (3) are close to the position at both ends through screw rod (103) movable mounting in fixed lath (1) lower surface, mount (803) are close to the position at middle part between both ends through No. two screw rod (104) fixed mounting in fixed lath (1) lower surface, hold bracing piece (8) and be close to the position at middle part between both ends through mount (803) fixed mounting in fixed lath (1) lower surface.