CN209657571U

CN209657571U - A kind of teaching picture showing stand

Info

Publication number: CN209657571U
Application number: CN201920192241.9U
Authority: CN
Inventors: 陈素荷
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-12
Filing date: 2019-02-12
Publication date: 2019-11-19
Anticipated expiration: 2029-02-12

Abstract

The utility model relates to teaching aid technical fields, especially a kind of teaching picture showing stand, including mainboard, instrument bezel and pedestal, electrostatic generator is connected with inside the mainboard, support frame is connected at left and right sides of mainboard, the instrument bezel is located on front side of mainboard, fixed block is connected at left and right sides of instrument bezel, connecting shaft is socketed with gear inside first sliding groove, connecting rod is plugged in second sliding slot, the affixed movable rack of the connection rod rear end, front end is fixed in fixed block rear end face, the mainboard rear end face is connected with connecting cylinder, support rail is plugged in connecting cylinder, support rail lower end surface rear portion is connected with telescopic rod, telescopic rod bottom end is fixed on pedestal.The structure design of the utility model is reasonable, and rotation grip ring can slide up and down instrument bezel, in order to place drawing and adsorb drawing using electrostatic, grip ring reset then can not only be locked instrument bezel position, while sheet glass moves back can clamp picture, very convenient.

Description

A kind of teaching picture showing stand

Technical field

The utility model relates to teaching aid technical field, especially a kind of teaching picture showing stand.

Background technique

With quality-oriented education gradually deeply, the means of contemporary education become diversification, for deepen students impression, just Understand in student, teacher sometimes will be by the way of exhibiting pictures, and the method for exhibiting pictures common at present is exactly directly outstanding It hangs, however since picture size is different, the picture for centainly perplexing, while directly hanging to the fixing belt of picture is easy to float It is dynamic.In order to solve the above problem, in the Chinese utility model patent that notification number is CN207946945U, a kind of university student is disclosed Drawing is carried out of short duration fixation using the electrostatic that electrostatic generator generates, in order to saturating by ideological and political education Map-hanging set Bright film is bonded fixation to it, is not influenced by drawing size.However in the utility model, transparent membrane and placing frame begin For final position in front of suspension plate, teacher needs to put in hand when placing picture can place figure between transparent membrane and suspension plate Paper, the operation being tentatively unfolded in the biggish situation of drawing is more inconvenient, needs to improve.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned technical disadvantages to provide a kind of teaching picture showing stand, rotates grip ring Instrument bezel can be slided up and down, in order to place drawing and adsorbed drawing using electrostatic, grip ring reset then can not only be locked Determine instrument bezel position, while sheet glass moves back can clamp picture, it is very convenient.

The utility model solves the technical solution that technical problem uses are as follows: a kind of teaching picture showing stand, including mainboard, glass Glass frame and pedestal are connected with electrostatic generator inside the mainboard, are connected with support frame at left and right sides of mainboard, two support frames are in master The outer side of plate is equipped with the T-shaped first sliding groove in cross section, is equipped with the second sliding slot being connected to inside first sliding groove on front side of two support frames, The instrument bezel is located on front side of mainboard, and inside is connected with sheet glass, and fixed block is connected at left and right sides of the instrument bezel, and two is fixed For block in being plugged with bull stick far from mainboard side, the bull stick front is connected with grip ring, and rear threads are socketed with screw shell, and in The affixed restraining position ring block in fixed block front and rear sides, the screw shell rear portion are connected with connecting shaft, and the connecting shaft is in first sliding groove Inside is socketed with gear, and the first sliding groove rear end face is connected with stationary rack, and connecting rod, institute are plugged in the second sliding slot It states connection rod rear end and is fixed in fixed block rear end face in being connected with movable rack, front end in first sliding groove, the connecting shaft is in branch Upper and lower ends are connected with gag lever post on the outside of support, since bull stick is in the affixed restraining position ring block in fixed block front and rear sides, thus bull stick with Fixed block relative position is fixed, and two grip rings are rotated, and makes bar rotation, bull stick and screw shell interaction drive fixed block to Preceding movement, connecting rod is driven forward movement at this time, thus draw movable rack forward movement, and with gear be detached from, at this time to Upper mobile grip ring, can drive instrument bezel to move up, and rotation grip ring makes its reset, and bull stick opposite thread sleeve can be made to rotate, made It obtains fixed block to move backward, connecting rod, which is driven, at this time moves backward, to push movable rack to engage with gear, in fixed tooth Under the collective effect of item and movable rack, gear position is locked, and instrument bezel can not move again, and gag lever post can be when bar rotation Prevent screw shell from moving, the mainboard rear end face is connected with connecting cylinder, and support rail, the branch are plugged in connecting cylinder Cross bar is supportted in, equipped with form friction pattern, connecting cylinder side is threaded with the first tightening knob, and mainboard can rely on connecting cylinder in connecting cylinder It rotates, to adjust picture direction after fixed picture, and is fixed by the first tightening knob, the support is horizontal with support rail Bar lower end surface rear portion is connected with telescopic rod, and telescopic rod side is equipped with corresponding second tightening knob, and telescopic rod bottom end is fixed in bottom On seat, telescopic rod is used for regulating device whole height, and the mainboard lower end is connected with circumscripted power line, and mainboard upper end is connected with the One switch, the first switch, circumscripted power line and electrostatic generator are electrically connected, and first switch is for controlling electrostatic generator Switch.

Further, two flexible metal(lic) conduits are connected at left and right sides of the mainboard upper surface, flexible metal(lic) conduit upper end is connected with photograph Bright lamp, mainboard upper surface are connected with second switch, and the second switch, circumscripted power line and headlamp are electrically connected, by metal Coiled pipe forward fold can illuminate picture on mainboard.

Further, the pedestal lower end surface is affixed there are four universal wheel, with carrying for device.

Beneficial effect possessed by the utility model is: the structure design of the utility model is reasonable, and rotation grip ring makes fixed block It moves forward, instrument bezel can be slided up and down, in order to place drawing and adsorbed drawing using electrostatic, grip ring is resetted then not Instrument bezel position can only be locked, while fixed block drives sheet glass to move back, can clamp together picture with mainboard, teacher can be Picture is labeled with marker on sheet glass, mark's pen touch mark can be removed easily on sheet glass；Mainboard can rely on Connecting cylinder and support rail rotation, to adjust picture direction after fixed picture；It is whole high that telescopic rod can be used for regulating device Degree.

Detailed description of the invention

Attached drawing 1 is the structural schematic diagram of the utility model.

Attached drawing 2 is the schematic diagram of internal structure of mainboard described in the utility model and support frame.

Attached drawing 3 is the rearview of mainboard described in the utility model.

Attached drawing 4 is the internal structure side view of support frame described in the utility model.

Specific embodiment

1 ~ 4 pair of the utility model is described below with reference to the accompanying drawing.

As shown in Fig. 1 ~ 4, the utility model includes mainboard 1, instrument bezel 4 and pedestal 22, is connected with inside the mainboard 1 quiet Electric generator 2, is connected with support frame 3 at left and right sides of mainboard 1, and it is T-shaped that two support frames 3 in the outer side of mainboard 1 are equipped with cross section First sliding groove 3-1, the second sliding slot 3-2 being equipped on front side of two support frames 3 inside connection first sliding groove 3-1, the instrument bezel 4 are located at 1 front side of mainboard, inside is connected with sheet glass 5, fixed block 6 is connected at left and right sides of the instrument bezel 4, two fixed blocks 6 are in separate 1 side of mainboard is plugged with bull stick 7, and 7 front of bull stick is connected with grip ring 8, and rear threads are socketed with screw shell 9, and in solid Determine the affixed restraining position ring block 10 in 6 front and rear sides of block, 9 rear portion of screw shell is connected with connecting shaft 11, and the connecting shaft 11 is in Gear 12 is socketed with inside one sliding slot 3-1, the first sliding groove 3-1 rear end face is connected with stationary rack 13, the second sliding slot Connecting rod 14 is plugged in 3-2, in being connected with movable rack 15 in first sliding groove 3-1, front end is affixed for 14 rear end of connecting rod In 6 rear end face of fixed block, the connecting shaft 11 is connected with gag lever post 16 in 3 outside upper and lower ends of support frame, since bull stick 7 is in solid Determine the affixed restraining position ring block 10 in 6 front and rear sides of block, thus bull stick 7 is fixed with 6 relative position of fixed block, rotates two grip rings 8, makes to turn Bar 7 rotates, and bull stick 7 and the interaction of screw shell 9 drive fixed block 6 to move forward, and connecting rod 14 is driven to Forward at this time It is dynamic, to draw the forward movement of movable rack 15, and it is detached from gear 12, moves up grip ring 8 at this time, instrument bezel can be driven 4 move up, and rotation grip ring 8 makes its reset, 7 opposite thread sleeve 9 of bull stick can be made to rotate, so that fixed block 6 moves backward, at this time Connecting rod 14, which is driven, to be moved backward, to push movable rack 15 to engage with gear 12, in stationary rack 13 and movable rack Under 15 collective effect, 12 position of gear is locked, and instrument bezel 4 can not move again, and gag lever post 16 can prevent when bull stick 7 rotates Screw shell 9 moves, and 1 rear end face of mainboard is connected with connecting cylinder 17, and support rail 18, institute are plugged in connecting cylinder 17 Support rail 18 is stated in being equipped with form friction pattern 18-1 in connecting cylinder 17,17 side of connecting cylinder is threaded with the first tightening knob 19, Mainboard 1 can be rotated by connecting cylinder 17 and support rail 18, to adjust picture direction after fixed picture, and it is tight by first Gu knob 19 is fixed, the 18 lower end surface rear portion of support rail is connected with telescopic rod 20, and 20 side of telescopic rod is equipped with corresponding the Two tightening knobs 21,20 bottom end of telescopic rod are fixed on pedestal 22, and telescopic rod 20 is used for regulating device whole height, the mainboard 1 lower end is connected with circumscripted power line 23, and 1 upper end of mainboard is connected with first switch 24, the first switch 24, circumscripted power line 23 It is electrically connected with electrostatic generator 2, first switch 24 is used to control the switch of electrostatic generator 2.

In the present embodiment, two flexible metal(lic) conduits 25,25 upper end of flexible metal(lic) conduit are connected at left and right sides of 1 upper surface of mainboard It is connected with headlamp 26,1 upper surface of mainboard is connected with second switch 27, the second switch 27, circumscripted power line 23 and illumination Lamp 26 is electrically connected, and 25 forward fold of flexible metal(lic) conduit can illuminate picture on mainboard 1.

In the present embodiment, 22 lower end surface of pedestal is affixed there are four universal wheel 28, with carrying for device.

When using the utility model, two grip rings 8 are rotated, rotate bull stick 7, so that fixed block 6 moves forward, and are driven Connecting rod 14 moves forward, and activity is detached from gear 12, moves up grip ring 8 at this time, can drive on instrument bezel 4 It moving, after 4 activity of band instrument bezel to 1 upside of mainboard, rotation grip ring 8 resets grip ring 8, so that fixed block 6 moves backward, activity Rack gear 15 is engaged with gear 12, and 4 upper and lower position of instrument bezel is fixed at this time, and drawing is placed on mainboard 1 and opens electrostatic Drawing, is carried out of short duration fixation using the electrostatic that electrostatic generator 2 generates by device 2, is then rotated grip ring 8 and is reduced instrument bezel 4, It is located at sheet glass 5 in front of picture, rotating grip ring 8 again resets grip ring 8, not only 4 upper and lower position of Lockable glass frame, simultaneously Fixed block 6 drives sheet glass 5 to move back, and can clamp together picture with mainboard 1, teacher can on sheet glass 5 with marker to figure Piece is labeled, and mark's pen touch mark can be removed easily on sheet glass 5；It is rotatablely connected cylinder 17 and relies on the first tightening knob 19 is fixed, and picture direction can be adjusted, and adjusts telescopic rod 20 and fixes by the second tightening knob 21, i.e., adjustable apparatus is whole Highly.

Claims

1. a kind of teaching picture showing stand, including mainboard, instrument bezel and pedestal, it is characterised in that: be connected with inside the mainboard Electrostatic generator, the mainboard left and right sides are connected with support frame, and two support frames are equipped with T-shaped first in cross section in side outside mainboard Sliding slot, two support frames front side are equipped with the second sliding slot inside connection first sliding groove, and the instrument bezel is located on front side of mainboard, and inside is admittedly It is connected to sheet glass, fixed block is connected at left and right sides of the instrument bezel, two fixed blocks are plugged with bull stick in separate mainboard side, institute It states bull stick front and is connected with grip ring, rear threads are socketed with screw shell, and in the affixed restraining position ring block in fixed block front and rear sides, institute It states screw shell rear portion and is connected with connecting shaft, the connecting shaft is socketed with gear inside first sliding groove, after the first sliding groove End face is connected with stationary rack, connecting rod is plugged in the second sliding slot, the connection rod rear end is in affixed in first sliding groove There is movable rack, front end is fixed in fixed block rear end face, and connecting shaft upper and lower ends on the outside of support frame are connected with gag lever post, The mainboard rear end face is connected with connecting cylinder, is plugged with support rail in connecting cylinder, and the support rail in connecting cylinder in being equipped with Form friction pattern, connecting cylinder side are threaded with the first tightening knob, and support rail lower end surface rear portion is connected with telescopic rod, stretches Contracting bar side is equipped with corresponding second tightening knob, and telescopic rod bottom end is fixed on pedestal, and the mainboard lower end is connected with external Power supply line, mainboard upper end are connected with first switch, and the first switch, circumscripted power line and electrostatic generator are electrically connected.

2. a kind of teaching picture showing stand according to claim 1, it is characterised in that: at left and right sides of the mainboard upper surface Two flexible metal(lic) conduits are connected with, flexible metal(lic) conduit upper end is connected with headlamp, and mainboard upper surface is connected with second switch, and described second opens It closes, circumscripted power line and headlamp are electrically connected.

3. a kind of teaching picture showing stand according to claim 1, it is characterised in that: the pedestal lower end surface is connected with four A universal wheel.