CN211573360U - Elevating device for drawing blackboard newspaper - Google Patents

Abstract

The utility model provides an elevating gear that drawing blackboard newspaper was used belongs to blackboard newspaper preparation apparatus technical field, include: the base is provided with an accommodating groove with an upward opening, and two opposite side walls of the accommodating groove are provided with a plurality of layers of supporting structures which are arranged in parallel; the supporting plate is suitable for being erected on any layer of the supporting structure in the accommodating groove; the base has the holding tank that the opening faces upward, has multilayer bearing structure on the holding tank, and the supporting plate frame is established on the bearing structure of any one deck, when the preparation of blackboard newspaper is carried out to needs, according to the height of producer, can establish the supporting plate frame on suitable one deck bearing structure, when needing to change the height of backup pad, only need with the backup pad trade to another layer on the bearing structure can, easy and simple to handle, it is good to being in the student in the stage of developing.

Description

Elevating device for drawing blackboard newspaper

Technical Field

The utility model relates to a blackboard newspaper makes apparatus technical field, concretely relates to draw elevating gear that blackboard newspaper used.

Background

In the process of learning, a blackboard positioned at the rear in a classroom is mainly used for playing blackboard newspaper, the blackboard newspaper is basically updated twice every week, mainly the blackboard newspaper is a Chinese blackboard newspaper and an English blackboard newspaper, when the blackboard newspaper is played, because the height of students is not enough, equipment with the aid of an elevated device is needed, a table is usually needed for simple replacement, but the height of the table can not be flexibly adjusted, so that a great deal of inconvenience exists in use.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the height of the equipment for making the blackboard newspaper can not be flexibly adjusted in the prior art, thereby providing an elevating device for drawing the blackboard newspaper.

In order to solve the technical problem, the utility model provides an elevating device for drawing blackboard newspaper, include:

the base is provided with an accommodating groove with an upward opening, and two opposite side walls of the accommodating groove are provided with a plurality of layers of supporting structures which are arranged in parallel;

the supporting plate is suitable for being erected on any layer of the supporting structure in the accommodating groove.

As a preferred technical solution, the base includes:

four stand columns enclose to form a quadrangle, and any two adjacent stand columns are connected through a threaded rod.

As a preferred technical solution, two sliding grooves are arranged on two sides of the supporting plate, and the sliding grooves are suitable for penetrating through the upright posts;

as a preferred technical scheme, two sides of the sliding groove are suitable for being connected with the upright post through bolts.

As a preferred technical scheme, the device also comprises a limiting pad which is arranged at the position where the bottom of the sliding groove of the supporting plate is contacted with the upright post.

As a preferred technical scheme, a plurality of clamping grooves are formed in the outer side of the upright post, and the clamping grooves are positioned above the supporting structure;

the side surfaces of two sides of the supporting plate are provided with threaded holes, and the threaded holes correspond to the clamping grooves.

As a preferable technical scheme, the anti-pressure layer is further arranged and paved on the support plate.

As a preferable technical scheme, the anti-pressure layer further comprises a friction layer which is laid on the anti-pressure layer.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an elevating gear of drawing blackboard newspaper usefulness, the base has the holding tank that the opening faces upward, multilayer bearing structure has on the holding tank, the support grillage is established on the bearing structure of any one deck, when the preparation of blackboard newspaper is carried out to needs, according to the height of producer, can establish the support grillage on suitable one deck bearing structure, when needing to change the height of backup pad, only need with the backup pad trade to another layer on the bearing structure can, easy and simple to handle, adaptability is good to the student that is in the stage of developing.

2. The utility model provides an elevating gear of drawing blackboard newspaper usefulness, the base comprises four stands and threaded rod, and the stand provides multilayer bearing structure's installation space, and threaded rod fastening stand makes the base more firm.

3. The utility model provides a drawing frame height device that blackboard newspaper was used, backup pad have two spouts, and two spouts can pass the stand, the dismantlement and the installation of the backup pad of being convenient for.

4. The utility model provides an elevating gear of drawing blackboard newspaper usefulness, bolt and stand fixed connection are passed through to the backup pad both sides, prevent that the producer from writing the backup pad landing of blackboard newspaper time, use the bolt to fix the backup pad on the stand.

5. The utility model provides an elevating gear of drawing blackboard newspaper usefulness is equipped with spacing pad between the spout bottom of backup pad and stand, and spacing pad can make the rigidity of backup pad relative stand for screw hole in the backup pad can be accurate with the stand on the draw-in groove align, the bolt of being convenient for is fixed the backup pad on the stand.

6. The utility model provides an elevating gear of drawing blackboard newspaper usefulness, in the bearing structure's on each layer top, the producer of being convenient for adopts when not co-altitude to the fixed of backup pad.

7. The utility model provides an elevating gear of drawing blackboard newspaper usefulness has the screw hole in the both sides of backup pad, is convenient for pass the bolt, fixes the backup pad on the stand.

8. The utility model provides an elevating gear of drawing blackboard newspaper usefulness is equipped with the compressive layer in the backup pad upper berth, and the compressive property of backup pad is convenient for improve on the compressive layer.

9. The utility model provides an elevating gear of drawing blackboard newspaper usefulness still has laid the frictional layer on the compressive layer, and increase the frictional force of preparation personnel in the backup pad avoids the preparation personnel to slide.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front sectional view of an elevating device for drawing blackboard newspaper according to the present invention;

fig. 2 is a left side sectional view of the raising device for drawing blackboard newspaper according to the present invention;

fig. 3 is a top sectional view of the raising device for drawing blackboard newspaper according to the present invention;

FIG. 4 is a top view of the base;

description of reference numerals:

1. a column; 2. a support plate; 3. a limiting pad; 4. a bolt; 5. a pressure resistant layer; 6. a friction layer; 7. a threaded rod; 8. a nut; 9. a support structure; 10. a card slot; 11. a chute; 12. a threaded bore.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 2, for the utility model provides a draw a concrete embodiment of the device that raises that blackboard newspaper was used, the base has opening holding tank up, multilayer bearing structure 9 has on the holding tank, backup pad 2 erects on the bearing structure 9 of any one deck, when the preparation of blackboard newspaper is carried out to needs, according to the height of producer, can erect backup pad 2 on suitable one deck bearing structure 9, when needing to change the height of backup pad 2, only need with backup pad 2 trade to another layer on the bearing structure 9 can, easy and simple to handle, it is good to be in the adaptability of the student in the stage of developing.

As shown in fig. 4, the utility model provides a drawing frame height device that blackboard newspaper was used, the base comprises four stands 1 and threaded rod 7, and there is nut 8 to screw up threaded rod 7 in the 7 outsides of threaded rod, and stand 1 provides multilayer bearing structure 9's installation space simultaneously, and threaded rod 7 passes through nut 8 fastening stand 1, makes the base more firm.

As shown in fig. 3, the utility model provides a drawing raising device that blackboard newspaper was used, backup pad 2 have two spouts 11, and two spouts 11 can pass stand 1, the dismantlement and the installation of the backup pad 2 of being convenient for.

The utility model provides an elevating gear of drawing blackboard newspaper usefulness, bolt 4 and stand 1 fixed connection are passed through to 2 both sides of backup pad, prevent that the producer from writing 2 landing of backup pad when blackboard newspaper, use bolt 4 to fix backup pad 2 on stand 1.

The utility model provides a drawing frame height device that blackboard newspaper was used is equipped with spacing pad 3 between 11 bottoms of spout of backup pad 2 and stand 1, and spacing pad 3 can make backup pad 2 fixed position relative stand 1 for screw hole 12 in backup pad 2 can be accurate with stand 1 on draw-in groove 10 align, the bolt 4 of being convenient for fixes backup pad 2 on stand 1.

The utility model provides an elevating gear of drawing blackboard newspaper usefulness, in the top of the bearing structure 9 on each layer, the producer of being convenient for adopts when not co-altitude to the fixed of backup pad 2.

The utility model provides an elevating gear that drawing blackboard newspaper was used has screw hole 12 in the both sides of backup pad 2, is convenient for pass bolt 4, fixes backup pad 2 on stand 1.

The utility model provides an elevating gear of drawing blackboard newspaper usefulness is equipped with anti-compression layer 5 at 2 upper berths in backup pad, and anti-compression layer 5 is convenient for improve backup pad 2's compressive property.

The utility model provides an elevating gear of drawing blackboard newspaper usefulness still has laid frictional layer 6 on resistance to compression layer 5, and the frictional force of increase producer in backup pad 2 avoids the producer to slide.

The utility model provides an elevating gear that drawing blackboard newspaper was used puts four stands 1 earlier when using, uses threaded rod 7 to fix four stands 1, then selects one deck bearing structure 9 according to the height of producer, inserts backup pad 2 to the holding tank that four stands 1 formed in, 2 both sides of backup pad use bolt 4 fixed with stand 1, lay anti-compression layer 5 and frictional layer 6 on the backup pad 2 can.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (8)

1. An elevating device for drawing blackboard newspaper, comprising:

the base is provided with an accommodating groove with an upward opening, and two opposite side walls of the accommodating groove are provided with a plurality of layers of supporting structures (9) which are arranged in parallel;

the supporting plate (2) is suitable for being erected on any layer of the supporting structure (9) in the accommodating groove.

2. The raising apparatus for blackboard newspaper drawing as set forth in claim 1, wherein the base includes:

four upright posts (1) are enclosed into a quadrangle, and any two adjacent upright posts (1) are connected through a threaded rod (7).

3. The raising device for drawing blackboard newspaper according to claim 1, characterized in that the supporting plate (2) has two sliding slots (11) on both sides, the sliding slots (11) being adapted to pass through the upright (1).

4. The elevating device for drawing blackboard newspaper according to claim 3, wherein both sides of the sliding chute (11) are adapted to be connected with the column (1) by means of bolts (4).

5. The elevating device for drawing blackboard newspaper according to claim 3, further comprising a position limiting pad (3) disposed at a position where the bottom of the sliding groove (11) of the supporting plate (2) contacts with the upright post (1).

6. The raising device for drawing blackboard newspaper according to claim 2, characterized in that the outer side of the upright (1) has several slots (10), the slots (10) being located above the supporting structure (9);

the side surfaces of two sides of the supporting plate (2) are provided with threaded holes (12), and the threaded holes (12) correspond to the clamping grooves (10).

7. The raising apparatus for blackboard newspaper drawing according to claim 1, characterized by further comprising a pressure resistant layer (5) laid on the support plate (2).

8. The raising apparatus for blackboard newspaper drawing according to claim 7, further comprising a friction layer (6) laid on the pressure-resistant layer (5).

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