CN201784289U

CN201784289U - Simple picture hanging device

Info

Publication number: CN201784289U
Application number: CN2010201381116U
Authority: CN
Inventors: 孙毅
Original assignee: ANHUI QIANBAIDU EDUCATION MANAGEMENT CONSULTING Co Ltd
Current assignee: Anhui Zhaoxun Education Management Consulting Co., Ltd.
Priority date: 2010-03-19
Filing date: 2010-03-19
Publication date: 2011-04-06
Anticipated expiration: 2020-03-19

Abstract

A simple picture hanging device belongs to a teaching instrument and comprises a horizontal hollow rail, an installation fixing part on the wall surface, a vertical connection rod hung on the horizontal hollow rail through a roller, a lifting rod and an overlapping picture rod which is connected with the lifting rod and used for clamping and hanging pictures and paper, wherein the lifting rod is movably connected with the vertical connection rod through a sliding groove structure, namely, the lifting rod can be lifted to overlap the vertical connection rod through the sliding groove structure completely and the complete overlap can be maintained stably through a fastening structure attached at the lower ends of the lifting rod and the vertical connection rod. The lifting rod can fall to the lower end of the vertical connection rod through the sliding groove structure, and by that time, a blocking structure on the lateral side of an overlapped part ensures that the lifting rod and the vertical connection rod are still connected through the sliding groove structure. The simple picture hanging device breaks a key limitation in the designing of hanging devices, has simplified structure and is flexible to operate.

Description

Succinct wall chart device

Technical field

The utility model relates to a kind of middle and primary schools daily teaching appliance in classroom, promptly succinct wall chart device.

Background technology

At present paper medium teaching figure (hereinafter to be referred as paper figure) in the classroom, comparatively commonly adopt paste stickup, adhesive tape stickup, magnetic patch pressure holding, with drawing pin by hanging up in the first-class method of wall.The dirty hand of sticking hand (as paste, adhesive tape) that these wall chart methods have, have inconvenient unreliable (as drawing pin want that powerful wall, adhesive tape will be cut off by advancing, blackboard has the chalk dust adhesive tape easily to come off), the difficult preservation that has (as the magnet piece in classroom), being taken off by the student easily of having played and damaged (as T-plate), the also damage drawing that has and wall (as the drawing pin mode) or the like.Be example with the magnetic patch adhesive pressure holding paper figure that uses slim irony blackboard, many paper figure drawings big (as high 110cm * wide 90cm and bigger drawing) should hang from above and descend from the blackboard upper edge, but the not really high teacher (particularly including most of schoolmarm) of stature is difficult to magnetic patch is lifted to the blackboard upper edge; Being example at blackboard panel with adhesive tape adhesive paper figure, paper figure generally fixedly is taking the blackboard stage casing again, can not move conveniently after the paper figure stickup, and promptly blackboard is write with paper figure and is difficult to be used alternatingly easily the blackboard stage casing of favourable students ' reading; And the above various most time spent of method that hangs up paper figure is longer, and the teaching of long period pauses and influence the coherent of Faculty and Students' state of mind, undermines the instruction effect.

For many years, Chinese patent discloses the many designs that are the theme with the wall chart device, they generally can both finish the wall chart task, but all improve inadequately and optimization, what wherein have the more outstanding pattern of dealing with problems is that (Chinese patent CN87200735U can skip movable wall chart device, designer: Ge Jiayu) and Chinese patent 200620046025.6 (portable blackboard hanger, patentee: Shanghai Shangyin Yangpu School, designer: encourage and goodly ooze).Chinese patent CN87200735U has noticed that the conventional method that hangs up paper figure obviously expends time in classroom, save the coherent and good effect easy to use of the time in classroom maintenance state of mind for playing, its structural design is to have an elongated Rod for hanging picture or map can be no more than 180 ° rotation around the frame that is placed in the blackboard upper side frame, the a pair of road wheel of configuration can move horizontally full device along the track that places the blackboard upper side frame on the frame, and this device also has elevating function.Though the design focal point of CN87200735U be utilize its device to stir Rod for hanging picture or map to make it to horizontally rotate 180 ° be replaceable one page paper figure, but still for we provide a kind of valuable wall chart device infrastructure mode.The ZL200620046025.6 purpose is to make things convenient for moving of paper figure (frame) to reach assembly and disassembly conveniently in order to avoid too much block blackboard panel.Specifically: it comprises first track that is fixedly arranged on the blackboard avris, combine with first track and have the sliding part of second track and combine with second track and establish part for the folder that folder is established paper figure.Wherein: first track is wherein one of slide rail and a fluting, and described sliding part is rollered plate body, have the plate body of ball or for having the plate body of draw ring; Second track is one of them person of slide rail and fluting, described folder establish part by embed second track and with externally threaded cylinder and be provided with folder establish the plate body of the clip of described object, in order to described plate body be fixed on described cylinder and have the nut of internal thread and formed at the bayonet lock of described second track so that described cylinder is fixed in order to place the two through hole that is located at described sliding part both sides.In its another embodiment, described folder establish part by embed second track and be provided with folder establish described object clip the bending body of rod and in order to place the two through hole that is located at described sliding part both sides with described bending cylinder is fixed the bayonet lock of described second track institute form.

Above-mentioned two design does not see on a large scale as yet and applies that their weak point is that structure is optimized inadequately, and operation still dislikes complicated.

Summary of the invention

The utility model purpose provides in the teaching in real time of a kind of middle and primary schools classroom and helps the wall chart device that paper figure uses.

Technical solutions of the utility model: a kind of succinct wall chart device is installed on blackboard top, classroom metope, it comprises the empty rail of a level and at the mounting fixing parts of metope, by the figure bar that is used to press from both sides extension paper figure that roller is mounted on vertical connecting rod, the elevating lever of the empty rail of level and is attached thereto, wherein: elevating lever and vertical connecting rod are dynamically connected by the chute structure; In vertical connecting rod and elevating lever bottom, the buckle structure that remains stable with the full superposition of state that makes vertical connecting rod and elevating lever; Vertical connecting rod lower end annex closes with the synthetic extension of elevating lever tip attachment and still keeps chute to be connected when structure makes vertical connecting rod and elevating lever be the maximum separation attitude.

In such scheme, the chute structure of be dynamically connected elevating lever and vertical connecting rod is dual track system or single-way-system.

A complete life cycle of the present utility model is: be full superposition of state from movable part and be positioned at initial state outside blackboard one end, push buckle structure aside after moving to the blackboard meta by roller, expanded view bar (being that collapsible figure bar just needs this expansion only) the horizontal attitude of one-tenth and lock the figure bar the elevating lever gravitate is reduced to vertical connecting rod lower end (stopping it automatically by the retaining structure at last glides) automatically along chute when for on-fixed bitmap bar, paper figure is sandwiched in the figure bar, promoting elevating lever rises to vertical connecting rod complete superimposed and locked by buckle structure along chute, this moment, paper figure was lifted the upper edge to blackboard, was suitable for the school of class and observed and reading instruction.Contrary then the utility model of pressing said process returns the original state of inoperative.

The utility model has satisfied the many requirements in the product design of wall chart device, use as the teacher who is fit to any height, thereby the student of removable suitable classroom avris interpreting blueprints is mounted on when not using and does not hinder other education activities etc. outside the blackboard panel.The utility model mode of operation is brief, and concrete structure is very succinct, manipulates the smoothness that links up.

Description of drawings

Fig. 1 the utility model schematic diagram (the full superposition of state of elevating lever and vertical connecting rod)

Fig. 2 the utility model schematic diagram (part, elevating lever and vertical connecting rod divide amorph)

The audio-visual picture of Fig. 3 a section bar elevating lever

The audio-visual picture of Fig. 3 b section bar vertical connecting rod

Fig. 3 c cross-sectional view: elevating lever and vertical connecting rod cooperate signal

Fig. 4 d is different from the elevating lever of Fig. 3 c, the 2nd kind of pairing of vertical connecting rod

Fig. 4 e is different from the elevating lever of Fig. 3 c, the 3rd kind of pairing of vertical connecting rod

Fig. 4 f is different from the elevating lever of Fig. 3 c, the 4th kind of pairing of vertical connecting rod

Fig. 5 g audio-visual picture: hook member

Fig. 5 h audio-visual picture: underseal spare

The cutaway view of vertical view Fig. 5 j Fig. 5 h of Fig. 5 i Fig. 5 h

A kind of mated condition of Fig. 5 k hook member and underseal spare

Another mated condition of Figure 51 hook member and underseal spare

The audio-visual picture of Fig. 6 m cover closing member

Fig. 6 n cover closing member is in the installation at elevating lever top

Fig. 7 p side is pasted the audio-visual picture of part

Fig. 7 q side is pasted the installation of part in the vertical connecting rod lower end

The position relation (side-looking) of Fig. 8 the utility model (off working state) and blackboard

The specific embodiment

Embodiment 1.Referring to Fig. 1, succinct wall chart device mainly comprises a level empty rail (1), vertical connecting rod (2), elevating lever (3) and is used to press from both sides the figure bar (4) of hanging paper figure etc., the empty rail of level (1) is installed on metope by the fixedly connected cantilevers in its two ends (5), vertical connecting rod (2) is mounted on the empty rail (1) of level by roller, elevating lever (3) is dynamically connected by the chute structure with vertical connecting rod (2), and the symmetrical riveting of two figure bars (4) is dynamically connected in the both sides of elevating lever (3) upper end.

The empty rail of level (1) has the aluminium alloy extrusions of opening for the downside of hollow.

Referring to Fig. 3 a-c, wherein Fig. 3 c is the cross section signal of the chute fit structure of vertical connecting rod (2), elevating lever (3).

Referring to Fig. 5 g-l: Fig. 5 i is the vertical view of Fig. 5 h, and Fig. 5 j is the cutaway view of Fig. 5 h, and parts shown in Fig. 5 g can be assembled in the underseal spare shown in Fig. 5 h (6), and the assembling back is shown in Fig. 5 k, Fig. 5 l.Underseal spare (6) fixing (gluing as brute force) is in elevating lever (3) lower end, plain film behind the bottom surface of its broad (7) is touched from bottom to top when vertical connecting rod (2) lower surface, elevating lever (3) is proper and vertical connecting rod (2) is superimposed fully, the square hole (8) of elevating lever (3) dorsal part is proper and vertical connecting rod (2) lower end square hole (9) is overlapping, be positioned at the empty hook as Fig. 5 l state (10) of elevating lever (3) this moment and just aim at superimposed square hole, empty interior transverse slat (11) moves hook (10) to Fig. 5 k state to the operator under the underseal spare (6) to pressing, then the superimposed body of square hole is linked up with (10) and is blocked, and the full closed state that also to be elevating lever (3) rise to vertical connecting rod (2) along chute is locked by so-called buckle structure.

Referring to Fig. 3 a and Fig. 6 m-n, elevating lever (3) is a hollow profile, Fig. 6 m is depicted as its top capping (12), lateral plate (13) folder elevating lever (3) top of capping (12) is in interior, its mid-section body is inserted in the elevating lever (3) empty and fixing, fixing means can be shown in Fig. 6 n: from left and right sides reach through hole (14), insert the isometric plug of tight fit again.Paste part (15) referring to Fig. 7 p for the injection moulding side, it is fixed in vertical connecting rod (2) lower end, shows as Fig. 7 q.When elevating lever (3) is realized maximum separation attitude with vertical connecting rod (2) by the chute structure, paste parts (15) by side and stopping lateral plate (13), thereby make the vertical connecting rod when being the maximum separation attitude still keep chute to be connected with elevating lever.

Two figure bars (4) riveting is dynamically connected in both sides, elevating lever (3) upper end, and can be by root plain hook (16) thus mutual extension close and keep level (referring to Fig. 2), promptly be suitable for figure folder (17) suspension paper figure at figure bar (4) two ends; Two plain hooks (16) also can close shape by extension and take apart, and then two figure bars (4) are threaded to vertical state (referring to Fig. 1) separately under the riveting point.

, paper figure superimposed entirely when elevating lever (3) and vertical connecting rod (2) lifted when blackboard (18) upside is normally imparted knowledge to students, and paper figure has covered other the outer parts of rail (1) out of the void that dewater substantially.

When the utility model need not use, make elevating lever (3) reduce to vertical connecting rod (2) lower end, be that the figure bar (4) of horizontal attitude is reduced to the bottom or the middle and lower part of blackboard (18), the teacher can take off paper figure without difficulty, make left and right sides figure bar (4) dismounting hang to close under the back again and be threaded to vertical shape (referring to Fig. 1, it is visually superimposed in the superimposed body of elevating lever and vertical connecting rod the student), and be moved to by roller outside the end of blackboard (18), promptly the overall appearance vision of the utility model off working state is also very succinct.

Embodiment 2, and cross-sectional view such as Fig. 4 d of vertical connecting rod (2), elevating lever (3) show, compare with embodiment 1, and elevating lever (3) and vertical connecting rod (2) are that the double flute of reverse geometry cooperates aluminium section bar.Surplus with embodiment 1.

Embodiment 3, and cross-sectional view such as Fig. 4 e of vertical connecting rod (2), elevating lever (3) show that elevating lever (3) and vertical connecting rod (2) are that single groove cooperates aluminium section bar.Surplus class is in embodiment 1.

Embodiment 4, and cross-sectional view such as Fig. 4 f of vertical connecting rod (2), elevating lever (3) show, compare with embodiment 3, and elevating lever (3) and vertical connecting rod (2) are that single groove of reverse geometry cooperates aluminium section bar.Surplus with embodiment 3.

Claims

1. succinct wall chart device, be installed on blackboard top, classroom metope, it comprises the empty rail of a level and at the mounting fixing parts of metope, by the figure bar that is used to press from both sides extension paper figure that roller is mounted on vertical connecting rod, the elevating lever of the empty rail of level and is attached thereto, it is characterized in that:

Elevating lever and vertical connecting rod are dynamically connected by the chute structure;

In vertical connecting rod and elevating lever bottom, the buckle structure that remains stable with the full superposition of state that makes vertical connecting rod and elevating lever;

The extension that vertical connecting rod lower end annex still keeps chute to be connected when making vertical connecting rod and elevating lever be the maximum separation attitude with the elevating lever tip attachment is synthetic closes structure.

2. succinct wall chart device according to claim 1 is characterized in that: the chute structure of be dynamically connected elevating lever and vertical connecting rod is dual track system or single-way-system.