CN207640375U - Automatic Perimeter - Google Patents

Abstract

Automatic Perimeter, including pedestal, base end face is equipped with four rolling, idler wheel carries brake gear, each idler wheel is flexibly connected by wheel carrier with the bottom surface of pedestal, sleeve is fixedly mounted in base top surface, hydraulic cylinder is equipped in sleeve, the fixing end of hydraulic cylinder is fixedly connected with base top surface, montant is equipped in sleeve, montant coordinates with barrel contacts, montant is fixedly mounted in the movable end of hydraulic cylinder, the lower end of montant is located in sleeve and can be moved along sleeve, visual field instrument main body is fixedly mounted in montant top, box body is fixedly mounted before visual field instrument main body, fixed plate is fixedly mounted in the side of box body, the side of fixed plate opens up slot, the front and rear sides of slot open up through groove respectively.The utility model is moved easily equipped with idler wheel, and the height of visual field instrument main body can be adjusted according to the height of measured, the up and down motion of hydraulic cylinder drives montant to move up and down, and then the realization of visual field instrument main body is driven to move up and down, and this makes it possible to the height to visual field instrument main body to be adjusted.

Description

Automatic Perimeter

Technical field

The utility model belongs to medical instruments field, specifically a kind of Automatic Perimeter.

Background technology

Existing common views instrument is typically all to place on the table, when carrying out eye detection using visual field instrument, no Facilitate the height according to measured to adjust the height of visual field instrument, can thus bring some inconvenience to measured, and regard Wild instrument is not easy to move, and when use can make troubles to tester and testee, and after using, the display of visual field instrument Screen and detection mouth are an exposure in air always, and the dust in air can be scattered on display screen and detection mouth, influence next time Use.

Utility model content

The utility model provides a kind of Automatic Perimeter, to solve defect in the prior art.

The utility model is achieved by the following technical programs：

Automatic Perimeter, including pedestal, base end face are equipped with four rolling, and idler wheel carries brake gear, and each idler wheel is equal It is flexibly connected with the bottom surface of pedestal by wheel carrier, sleeve is fixedly mounted in base top surface, is equipped with hydraulic cylinder in sleeve, hydraulic cylinder is consolidated Fixed end is fixedly connected with base top surface, and montant is equipped in sleeve, and montant coordinates with barrel contacts, and the movable end of hydraulic cylinder fixes peace Montant is filled, the lower end of montant is located in sleeve and can be moved along sleeve, and visual field instrument main body, visual field instrument master is fixedly mounted in montant top It is fixedly mounted box body before body, the side of box body is fixedly mounted fixed plate, and the side of fixed plate opens up slot, and front and back the two of slot Side opens up through groove respectively, is communicated inside through groove and slot, and box body top surface inner wall opens up first through hole, and connecting rod is equipped in box body, For connecting rod with first through hole by bearing fit, the upper end of connecting rod is located at the outside of first through hole, and peace is fixed on connecting rod top Ratchet is filled, several equally distributed ratchets are fixedly mounted in ratchet periphery, and box body other side inner wall opens up the second through-hole, the second through-hole Interior to be equipped with shading cloth, shading cloth can shelter from visual field instrument main body, and shading cloth can be moved along the second through-hole, shading cloth one end and company It being fixedly connected by torsional spring between extension bar, movable plate is fixedly mounted in the shading cloth other end, and movable plate both sides open up bar-shaped trough respectively, Movable plate is inserted into matching in slot and with slot, is equipped with wedge block in bar-shaped trough, the wedge surface of wedge block downward, wedge block It is fixedly connected by spring between bar-shaped trough, spring gives one thrust of wedge block, wedge block to be inserted into through groove simultaneously always It is matched with through groove, connecting plate is fixedly mounted in box body top surface, and connecting plate side articulated connection link block, link block side hingedly connects Pawl is connect, ratchet can be in contact and match with pawl.

Automatic Perimeter as described above, the sleeve both sides inner wall open up spherical groove, live respectively in spherical groove respectively Dynamic installation ball.

Diagonal brace is fixedly mounted in the both sides of Automatic Perimeter as described above, the sleeve, and peace is fixed in the lower end of diagonal brace Mounted in the top surface of pedestal.

The utility model has the advantages that：The utility model is moved easily equipped with idler wheel, and can be according to the body of measured The up and down motion of the height of top adjustment visual field instrument main body, hydraulic cylinder drives montant to move up and down, and then drives visual field instrument main body real It now moves up and down, this makes it possible to the height to visual field instrument main body to be adjusted；When without using visual field instrument, it can shelter from and regard The display screen and detection mouth of wild instrument, prevent dust to be scattered on display screen and detection mouth, avoid make the next time for influencing visual field instrument With, while shading cloth is automatic tightening, use is very convenient.When without using visual field instrument, operator is past by pawl with hand Upper lift pulls shading cloth, shading cloth that movable plate movement, shading cloth is driven to be inserted into movable plate after visual field instrument main body turns around In slot, wedge block is pushed into through groove under the action of the spring, wedge block is then pressed into energy in bar-shaped trough with finger Enough shelter from the display screen and detection mouth in visual field instrument main body；When need using the utility model when, press wedge block make its into Enter into bar-shaped trough, and movable plate is pulled out in slot, shading cloth can be driven to automatically reset under the action of torsional spring, energy The utility model is enough reused, the dust in air can not only be avoided to be scattered in visual field instrument main body in this way to be influenced to make next time With, and it is easy to operate.When in use, wedge block is inserted into corresponding through groove with hand, and then by movable plate from slot Movable plate is placed side after a circle, then stirred pawl downwards, pawl can stop ratchet, thus can by interior extraction The rotation of ratchet is enough avoided, and then the movement of shading cloth is avoided to influence detection.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model；Fig. 2 is the enlarged drawing of the A direction views of Fig. 1.

Specific implementation mode

It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to The range of the utility model protection.

Automatic Perimeter, as shown, including pedestal 1,1 bottom surface of pedestal is equipped with four rolling 2, and idler wheel 2 is filled with brake It sets, each idler wheel 2 is flexibly connected by wheel carrier with the bottom surface of pedestal 1, and sleeve 3 is fixedly mounted in 1 top surface of pedestal, is set in sleeve 3 There are hydraulic cylinder 4, the fixing end of hydraulic cylinder 4 to be fixedly connected with 1 top surface of pedestal, montant 5 is equipped in sleeve 3, montant 5 connects with sleeve 3 Cooperation is touched, montant 5 is fixedly mounted in the movable end of hydraulic cylinder 4, and the lower end of montant 5 is located in sleeve 3 and can be moved along sleeve 3, erected Visual field instrument main body 6 is fixedly mounted in 5 top of bar, and box body 7 is fixedly mounted in 6 front of visual field instrument main body, and the side of box body 7 is fixedly mounted admittedly Fixed board 8, the side of fixed plate 8 open up slot 9, and the front and rear sides of slot 9 open up through groove 10 respectively, through groove 10 with inside slot 9 It communicates, 7 top surface inner wall of box body opens up first through hole 11, is equipped with connecting rod 12 in box body 7, connecting rod 12 passes through with first through hole 11 Bearing fit, the upper end of connecting rod 12 are located at the outside of first through hole 11, and ratchet 13, ratchet 13 is fixedly mounted in 12 top of connecting rod Several equally distributed ratchets 14 are fixedly mounted in periphery, and 7 other side inner wall of box body opens up the second through-hole 15, set in the second through-hole 15 There are shading cloth 16, shading cloth 16 that can shelter from visual field instrument main body 6, shading cloth 16 can be moved along the second through-hole 15, shading cloth 16 It is fixedly connected by torsional spring 17 between one end and connecting rod 12, movable plate 18, movable plate 18 is fixedly mounted in 16 other end of shading cloth Both sides open up bar-shaped trough 19 respectively, and movable plate 18 is inserted into matching in slot 9 and with slot 9, and wedge is equipped in bar-shaped trough 19 Shape block 20, the wedge surface of wedge block 20 downward, are fixedly connected between wedge block 20 and bar-shaped trough 19 by spring 21, and spring 21 is always Give wedge block 20 1 thrusts, wedge block 20 is inserted into matching in through groove 10 and with through groove 10, and 7 top surface of box body is fixedly mounted Connecting plate 22,22 side of connecting plate articulated connection link block 23, the hinge point of link block 23 can only rotate backward, link block 23 Side articulated connection pawl 24, the hinge point of pawl 24 can only be rotated up, and ratchet 14 can be in contact with pawl 24 and phase Cooperation.The utility model is moved easily equipped with idler wheel 2, and the height of visual field instrument main body 5 can be adjusted according to the height of measured The up and down motion of degree, hydraulic cylinder 4 drives montant 5 to move up and down, and then drives visual field instrument main body 6 to realize and move up and down, thus The height of visual field instrument main body 5 can be adjusted；When without using visual field instrument, display screen and the inspection of visual field instrument can be sheltered from Mouth is surveyed, dust is prevented to be scattered on display screen and detection mouth, avoids use the next time for influencing visual field instrument, while shading cloth 16 is Automatic tightening, use is very convenient.When without using visual field instrument, operator is up lifted pawl 24 with hand, and pulling is blocked Cloth 16, shading cloth 16 drive movable plate 18 to move, and movable plate 18 is inserted into and inserts after visual field instrument main body 6 turns around by shading cloth 16 In slot 9, wedge block 20 is pushed into through groove 10 under the action of the spring 21, wedge block 20 is then pressed into bar-shaped trough with finger The display screen and detection mouth in visual field instrument main body 6 can be sheltered from 19；When needing using the utility model, wedge shape is pressed Block 20 makes it into bar-shaped trough 19, and movable plate 18 is pulled out in slot 9, and screening can be driven under the action of torsional spring 17 Block cloth 16 automatically resets, it will be able to reuse the utility model, the dust in air can not only be avoided to be scattered in this way and regarded It influences to use next time in wild instrument main body 6, and easy to operate.When in use, wedge block 20 is inserted into hand corresponding In slot 10, and then movable plate 18 is extracted out of slot 9, movable plate 18 is placed into side after a circle, then by pawl 24 to Under stir, pawl 24 can stop ratchet 14, and this makes it possible to the rotations for avoiding ratchet 13, and then avoid the movement of shading cloth 16 Influence detection.

Specifically, as shown, the 3 both sides inner wall of sleeve described in the present embodiment opens up spherical groove 25, spherical groove respectively Ball 26 is installed in activity respectively in 25.The frictional force that the structure can reduce between 3 inner wall of montant 5 and sleeve makes montant 5 with liquid When cylinder pressure 4 moves up and down more smoothly.

Specifically, as shown, the both sides of the sleeve 3 described in the present embodiment are fixedly mounted diagonal brace 27, under diagonal brace 27 End is fixedly mounted on the top surface of pedestal 1.When using the utility model, the work of support can be played to sleeve 3 by diagonal brace 27 With, can make the utility model in work process more stablize.

Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that： It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc. With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (3)

1. Automatic Perimeter, it is characterised in that：Including pedestal（1）, pedestal（1）Bottom surface is equipped with four rolling（2）, idler wheel（2）Band There are brake gear, each idler wheel（2）Pass through wheel carrier and pedestal（1）Bottom surface flexible connection, pedestal（1）Set is fixedly mounted in top surface Cylinder（3）, sleeve（3）It is interior to be equipped with hydraulic cylinder（4）, hydraulic cylinder（4）Fixing end and pedestal（1）Top surface is fixedly connected, sleeve（3）It is interior Equipped with montant（5）, montant（5）With sleeve（3）It is engaged, hydraulic cylinder（4）Movable end be fixedly mounted montant（5）, montant（5） Lower end be located at sleeve（3）It is interior and can be along sleeve（3）It is mobile, montant（5）Top is fixedly mounted and eats visual field instrument main body（6）, the visual field Instrument main body（6）Box body is fixedly mounted in front（7）, box body（7）Side be fixedly mounted fixed plate（8）, fixed plate（8）Side open If slot（9）, slot（9）Front and rear sides open up through groove respectively（10）, through groove（10）With slot（9）Inside communicates, box body（7） Top surface inner wall opens up first through hole（11）, box body（7）It is interior to be equipped with connecting rod（12）, connecting rod（12）With first through hole（11）Pass through Bearing fit, connecting rod（12）Upper end be located at first through hole（11）Outside, connecting rod（12）Ratchet is fixedly mounted in top （13）, ratchet（13）Several equally distributed ratchets are fixedly mounted in periphery（14）, box body（7）Other side inner wall opens up the second through-hole （15）, the second through-hole（15）It is interior to be equipped with shading cloth（16）, shading cloth（16）Visual field instrument main body can be sheltered from（6）, shading cloth （16）It can be along the second through-hole（15）It is mobile, shading cloth（16）One end and connecting rod（12）Between pass through torsional spring（17）It is fixedly connected, Shading cloth（16）Movable plate is fixedly mounted in the other end（18）, movable plate（18）Both sides open up bar-shaped trough respectively（19）, movable plate （18）It is inserted into slot（9）Interior and and slot（9）It matches, bar-shaped trough（19）It is interior to be equipped with wedge block（20）, wedge block（20） Wedge surface downward, wedge block（20）With bar-shaped trough（19）Between pass through spring（21）It is fixedly connected, spring（21）Always wedge shape is given Block（20）One thrust, wedge block（20）It is inserted into through groove（10）Interior and and through groove（10）It matches, box body（7）Top surface is fixed Connecting plate is installed（22）, connecting plate（22）Side articulated connection link block（23）, link block（23）Side articulated connection pawl （24）, ratchet（14）With pawl（24）It can be in contact and match.

2. Automatic Perimeter according to claim 1, it is characterised in that：The sleeve（3）Both sides inner wall opens up respectively Spherical groove（25）, spherical groove（25）The interior installation ball of activity respectively（26）.

3. Automatic Perimeter according to claim 1, it is characterised in that：The sleeve（3）Both sides be fixedly mounted Diagonal brace（27）, diagonal brace（27）Lower end be fixedly mounted on pedestal（1）Top surface.