CN206975868U - A kind of mathematical education Display Rack - Google Patents

Abstract

The utility model discloses a kind of mathematical education Display Rack, including sleeve, the inside of the sleeve is divided into storage tube and lower storage tube, the upper end of the sleeve is provided with adjusting means, the lower end of the sleeve is provided with switching device, the inside of the upper storage tube is placed with cradling piece, the centre of the cradling piece is provided with U-lag, the inside of the U-lag is provided with two glove cross bars, the glove cross bar is rotatably connected on the inner upper end of U-lag by stopping means, the stopping means includes fluted, ratchet, spine bar and axle, the groove is located at the inside of U-lag, the spine bar and ratchet are all located at the inside of groove, the spine bar is fixedly connected with groove, the ratchet is fixedly connected with glove cross bar.The small volume that the mathematical education is taken with Display Rack, inflexible chassis is instead of with contractile rack leg, rack cross-bar can also be hidden when not in use, facilitate storage and carry.

Description

A kind of mathematical education Display Rack

Technical field

Mathematical education technical field is the utility model is related to, especially a kind of mathematical education Display Rack.

Background technology

During mathematical education is carried out, the formula and theorem that have many need to be grasped, if depending merely on teacher on blackboard Writing can then waste many instructional blocks of times, therefore when carrying out mathematical education, it is necessary to intuitively can easily express work with one kind Tool, teaching Display Rack are a good instruments, and Display Rack generally compares occupancy place, the especially chassis of some Display Racks, mostly Number Display Rack is fixed structure, it is impossible to is convenient for carrying or stores arrangement.

The content of the invention

The purpose of this utility model is to provide a kind of mathematical education Display Rack, to solve what is proposed in above-mentioned background technology Problem.

To achieve the above object, the utility model provides following technical scheme：A kind of mathematical education Display Rack, including set Cylinder, the inside of the sleeve are divided into storage tube and lower storage tube, and the upper end of the sleeve is provided with adjusting means, the sleeve Lower end is provided with switching device, and the inside of the upper storage tube is placed with cradling piece, and the centre of the cradling piece is provided with U-lag, institute The inside for stating U-lag is provided with two glove cross bars, and the glove cross bar is rotatably connected on the inside of U-lag by stopping means End, the stopping means include fluted, ratchet, spine bar and axle, and the groove is located at the inside of U-lag, the spine bar and spine Wheel is all located at the inside of groove, and the spine bar is fixedly connected with groove, and the ratchet is fixedly connected with glove cross bar, the glove Cross bar and ratchet are rotatablely connected by axle and cradling piece, and the adjusting means includes lasso trick head and nervous mouth, the nervous mouth The upper end of sleeve is fixedly connected on, the lower section of the nervous mouth is provided with the second screw thread, and the inside of the lasso trick head is provided with the first spiral shell Line, the lasso trick head and nervous mouth are screwed connection by the first screw thread and second, and the inside of the lower storage tube is placed with Rack leg, the rack leg include rod member and connector, and the rod member and connector are hinged, and the switching device includes L Shape rod member, support bar and spring, the L-shaped rod member and support bar are hinged, the spring be fixedly connected on L-shaped rod member and sleeve it Between, the support bar is fixedly connected with sleeve.

Preferably, the quantity of the rod member is three.

Preferably, the quantity of the switching device is three.

Preferably, the surface of the rod member is provided with neck.

Compared with prior art, the beneficial effects of the utility model are：The small volume that the mathematical education is taken with Display Rack, use Contractile rack leg instead of inflexible chassis, and rack cross-bar can also be hidden when not in use, facilitates storage and carries.

Brief description of the drawings

Fig. 1 is overall structure diagram of the present utility model；

Fig. 2 is part position relations of the present utility model and connection diagram；

Fig. 3 is adjusting means schematic diagram of the present utility model；

Fig. 4 is rack leg of the present utility model and switching device schematic diagram；

Fig. 5 is the position view of cradling piece of the present utility model, glove cross bar and stopping means；

Fig. 6 is the connection diagram of rod member of the present utility model and connector.

In figure：1 sleeve, storage tube, 12 times storage tubes, 2 cradling pieces, 3 glove cross bars, 4 rack legs, 41 rod members, 411 on 11 Neck, 42 connectors, 5 adjusting meanss, 51 lasso trick heads, 511 first screw threads, 512 second screw threads, 52 nervous mouths, 6 stopping means, 61 grooves, 62 ratchets, 63 spine bars, 64 axles, 7 switching devices, 71L shapes rod member, 72 support bars, 73 springs.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

In description of the present utility model, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", " preceding ", The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on Orientation shown in the drawings or position relationship, it is for only for ease of description the utility model, rather than instruction or the dress for implying meaning Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model Limitation.

Fig. 1-6 are referred to, the utility model provides a kind of technical scheme：A kind of mathematical education Display Rack, including sleeve 1, The inside of sleeve 1 is divided into storage tube 11 and lower storage tube 12, and the upper end of sleeve 1 is provided with adjusting means 5, and adjusting means 5 can be with For adjusting the height of Display Rack, the lower end of sleeve 1 is provided with switching device 7, and the inside of upper storage tube 11 is placed with cradling piece 2, branch The centre of hack lever 2 is provided with U-lag 21, and the inside of U-lag 21 is provided with two glove cross bars 3, and every glove cross bar 3 can be independent Use, glove cross bar 3 is rotatably connected on the inner upper end of U-lag 21 by stopping means 6, and stopping means 6 makes glove cross bar 3 exist It can only be rotated in one direction on cradling piece, stopping means 6 includes fluted 61, ratchet 62, spine bar 63 and axle 64, groove 61 are located at the inside of U-lag 21, and spine bar 63 and ratchet 62 are all located at the inside of groove 61, and spine bar 63 is fixedly connected with groove 61, Ratchet 62 is fixedly connected with glove cross bar 3, and glove cross bar 3 and ratchet 62 are rotatablely connected by axle 64 and cradling piece 2, adjusting means 5 include lasso trick first 51 and nervous mouth 52, and nervous mouth 52 is fixedly connected on the upper end of sleeve 1, and the lower section of nervous mouth 52 is provided with the Two screw threads 512, the inside of lasso trick first 51 are provided with the first screw thread 511, lasso trick first 51 and nervous mouth 52 and pass through the first screw thread 511 and Two screw threads 512 are fixedly connected, and when lasso trick first 51 is screwing on nervous mouth 52, nervous mouth 52 can tighten, and be reached with this by sleeve 1 The effect that interior cradling piece 2 is fixed, the inside of lower storage tube 12 are placed with rack leg 4, and rack leg 4 includes the He of rod member 41 Connector 42, the quantity of rod member 41 is three, and three rod members 41 form a stable supporting construction, rod member 41 and connector 42 is be hinged, and switching device 7 includes L-shaped rod member 71, support bar 72 and spring 73, and the quantity of switching device 7 is three, switch dress The quantity of 7 corresponding rod members 41 is put, L-shaped rod member 71 and support bar 72 are be hinged, and spring 73 is fixedly connected on L-shaped rod member 71 and sleeve 1 Between, support bar 72 is fixedly connected with sleeve 1.

The utility model is in the specific implementation：In use, turn lasso trick first 51, lasso trick first 51 and nervous mouth 52 are separated, Turn adjusting means 5 again after cradling piece 2 is pulled out from sleeve 1 again, nervous mouth 52 and lasso trick first 51 is rotated closely, cradling piece 2 can be fixed, and two glove cross bars 3 are opened, and each glove cross bar 3 drives ratchet 62 to rotate, and ratchet 62 is by spine The limitation of bar 63 and hang the downward power that superincumbent product apply and can fixed, press the L-shaped in switching device 7 The upper end of rod member 71, the influence of its bar 72 supported is formed lever and open lower end, so that by rack leg 4 out of sleeve 1 Portion pulls out and opened, and the lower end of the L-shaped rod member 71 of switching device 7 is blocked into neck 411, rack leg 4 can support whole Display Rack Firmly, math coursewar can now be hung over and teaching is shown on glove cross bar 3, when packing up, by lasso trick first 51 and nervous mouth 52 separation, then turn adjusting means 5 again after cradling piece 2 is taken in sleeve, nervous mouth 52 and lasso trick first 51 are rotated closely, pressed The upper end of L-shaped rod member 71 in dynamic switching device 7, makes the influence of its bar 72 supported form lever and opens lower end, and will branch Frame leg 4 receives the inside of sleeve 1.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of mathematical education Display Rack, including sleeve（1）, it is characterised in that：The sleeve（1）Inside be divided into storage tube （11）With lower storage tube（12）, the sleeve（1）Upper end be provided with adjusting means（5）, the sleeve（1）Lower end be provided with switch Device（7）, the upper storage tube（11）Inside be placed with cradling piece（2）, the cradling piece（2）Centre be provided with U-lag （21）, the U-lag（21）Inside be provided with two glove cross bars（3）, the glove cross bar（3）Pass through stopping means（6）Turn It is dynamic to be connected to U-lag（21）Inner upper end, the stopping means（6）Comprising fluted（61）, ratchet（62）, spine bar（63）With Axle（64）, the groove（61）Positioned at U-lag（21）Inside, the spine bar（63）And ratchet（62）It is all located at groove（61）'s Inside, the spine bar（63）And groove（61）It is fixedly connected, the ratchet（62）With glove cross bar（3）It is fixedly connected, it is described to put Thing cross bar（3）And ratchet（62）Pass through axle（64）And cradling piece（2）Rotation connection, the adjusting means（5）Include lasso trick head （51）With nervous mouth（52）, the nervous mouth（52）It is fixedly connected on sleeve（1）Upper end, the nervous mouth（52）Lower section set There is the second screw thread（512）, the lasso trick head（51）Inside be provided with the first screw thread（511）, the lasso trick head（51）With nervous mouth （52）Pass through the first screw thread（511）With the second screw thread（512）It is fixedly connected, the lower storage tube（12）Inside be placed with support Leg（4）, the rack leg（4）Include rod member（41）And connector（42）, the rod member（41）And connector（42）It is be hinged, institute State switching device（7）Include L-shaped rod member（71）, support bar（72）And spring（73）, the L-shaped rod member（71）And support bar （72）It is be hinged, the spring（73）It is fixedly connected on L-shaped rod member（71）And sleeve（1）Between, the support bar（72）And sleeve （1）It is fixedly connected.

A kind of 2. mathematical education Display Rack according to claim 1, it is characterised in that：The rod member（41）Quantity be three It is individual.

A kind of 3. mathematical education Display Rack according to claim 1, it is characterised in that：The switching device（7）Quantity For three.

A kind of 4. mathematical education Display Rack according to claim 1, it is characterised in that：The rod member（41）Surface be provided with Neck（411）.