CN210911796U

CN210911796U - Blackboard easy to lift

Info

Publication number: CN210911796U
Application number: CN201920516614.3U
Authority: CN
Inventors: 梁彦辉
Original assignee: Anhui Yingkai High Tech Co ltd
Current assignee: Anhui Yingkai High Tech Co ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-07-03
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses an easily lifting blackboard, which belongs to the field of teaching equipment and comprises a blackboard and a pair of supporting seats, wherein an inner thread groove is cut at the upper end of the blackboard, an outer thread rod is connected at the inner end of the inner thread groove in a threaded manner, a first connecting rod is fixedly connected at the left end of one supporting seat, a first guide wheel is fixedly connected at the right end of the first connecting rod, a second connecting rod is fixedly connected at the right end of the other supporting seat, a second guide wheel and a third guide wheel are respectively and fixedly connected at the upper end and the right end of the second connecting rod, a limiting groove and a positioning groove are sequentially cut at the right end of the supporting seat from top to bottom, a limiting rotating shaft is rotatably connected at the inner end of the limiting groove, a positioning block is fixedly connected at the right end of the limiting rotating shaft, a rope winding roller is fixedly connected at the middle part, can satisfy the teacher of different heights, easy operation is convenient.

Description

Blackboard easy to lift

Technical Field

The utility model relates to a teaching equipment field, more specifically say, relate to a blackboard of easy lift.

Background

The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, has a hard board surface and is mainly used for teaching, is generally made of wood boards or ground glass and the like, can be written on by using specific writing materials such as chalk and the like, and is more and more popular with people along with the development of scientific technology.

Because the teacher is different, therefore the height of teacher also can be different, and traditional blackboard can not adjust the height, can not satisfy the teacher's demand of different heights, and some blackboards have the function of going up and down, and the operation is very loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an easy blackboard that goes up and down, it is convenient for go up and down, can satisfy the teacher of different heights, and easy operation is convenient.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical scheme

An easy-lifting blackboard comprises a blackboard and a pair of supporting seats, wherein the blackboard is positioned between the pair of supporting seats, one end of each pair of supporting seats, which is close to each other, is provided with a notch groove, the blackboard is connected between the pair of notch grooves in a sliding manner, the lower end of each supporting seat is fixedly connected with a stabilizing seat, a stabilizing rod is fixedly connected between the pair of supporting seats and is positioned at the lower side of the notch groove, the upper end of the blackboard is provided with an internal thread groove, the inner end of the internal thread groove is in threaded connection with an external thread rod, the left end of one supporting seat is fixedly connected with a first connecting rod, the right end of the first connecting rod is fixedly connected with a first guide wheel, the right end of the other supporting seat is fixedly connected with a second connecting rod, the upper end and the right end of the second connecting rod are respectively and fixedly connected with a second guide wheel and a third guide wheel, the right end, and the spacing groove is located the downside of second connecting rod, the inner of spacing groove is rotated and is connected with spacing pivot, the right-hand member fixedly connected with locating piece of spacing pivot, the right-hand member middle part fixedly connected with wire winding roller of locating piece, the right-hand member fixedly connected with of wire winding roller changes the hand, the winding has wire rope on the wire winding roller, wire rope's one end fixed connection is on the wire winding roller, wire rope's the other end passes third leading wheel, second leading wheel and first leading wheel in proper order, and wire rope's other end fixed connection is in the upper end of external screw thread pole, the left end of locating piece is dug there are a plurality of evenly distributed's locating hole, and is located and pegs graft between the constant head tank and the locating hole of same horizontal plane and has the locating pin, and the lift of being convenient for can satisfy.

Furthermore, a pair of universal wheels are fixedly connected to the lower ends of the pair of stabilizing seats, protecting sleeves are sleeved on the universal wheels, the universal wheels are convenient to move and fix, and the protecting sleeves effectively reduce loss caused by friction between the universal wheels and the ground.

Furthermore, the lower end of the blackboard is fixedly connected with a magnet block, and the magnet block can adsorb the blackboard eraser with a metal sheet.

Furthermore, the surface of the rotating hand is wrapped with a rubber pad, anti-slip lines are carved on the rubber pad, the rubber pad increases the hand feeling comfort level, and the anti-slip lines enable the hand to be difficult to fall off.

Furthermore, the constant head tank all has the foam-rubber cushion through nylon subsides bonding with the inner wall of a plurality of locating holes, and the foam-rubber cushion increases the friction for peg graft more tightly.

Furthermore, be connected with the glossy layer of polishing on the inner wall in breach groove, it is more smooth and easy to slide.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the lifting device is convenient to lift, can meet the requirements of teachers with different heights, and is simple and convenient to operate.

(2) The lower ends of the pair of stabilizing seats are fixedly connected with a pair of universal wheels, the universal wheels are sleeved with protecting sleeves, the universal wheels are convenient to move and fix, and the protecting sleeves effectively reduce loss caused by friction between the universal wheels and the ground.

(3) The lower end of the blackboard is fixedly connected with a magnet block, and the magnet block can adsorb the blackboard eraser with a metal sheet.

(4) The surface of the rotating hand is wrapped with a rubber pad, anti-slip lines are carved on the rubber pad, the rubber pad increases the hand feeling comfort level, and the anti-slip lines enable the hand to be difficult to fall off.

(5) The constant head tank all has the foam-rubber cushion through nylon subsides bonding with the inner wall of a plurality of locating holes, and the foam-rubber cushion increases the friction for peg graft more tightly.

(6) Be connected with the glossy layer of polishing on the inner wall in breach groove, it is more smooth and easy to slide.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram at B in fig. 1.

The reference numbers in the figures illustrate:

the device comprises a blackboard 1, a support base 2, a notch groove 3, a stabilizing base 4, a universal wheel 5, a stabilizing rod 6, a magnet block 7, an internal thread groove 8, an external thread rod 9, a steel wire rope 10, a first connecting rod 11, a first guide wheel 12, a second guide wheel 13, a third guide wheel 14, a second connecting rod 15, a limiting groove 16, a limiting rotating shaft 17, a positioning block 18, a rope winding roller 19, a rotating handle 20, a positioning hole 21, a positioning groove 22 and a positioning pin 23.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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.

Example (b):

referring to fig. 1-3, an easy-to-lift blackboard comprises a blackboard 1 and a pair of supporting seats 2, the blackboard 1 is positioned between the pair of supporting seats 2, the supporting seats 2 play a supporting role, a gap groove 3 is drilled at one end of each of the pair of supporting seats 2, the blackboard 1 is slidably connected between the pair of gap grooves 3, a smooth polishing layer is connected on the inner wall of each gap groove 3, the sliding is smoother, a stabilizing seat 4 is fixedly connected at the lower end of each supporting seat 2, the stabilizing seat 4 plays a stabilizing role, a pair of universal wheels 5 is fixedly connected at the lower end of each stabilizing seat 4, the universal wheels 5 facilitate the movement and fixation of the device, a protecting sleeve is sleeved on each universal wheel 5 and effectively reduces the loss caused by friction between each universal wheel 5 and the ground, a stabilizing rod 6 is fixedly connected between the pair of supporting seats 2 and positioned at the lower side of each gap groove 3, the stabilizing rod 6 increases the stability of the device, the lower end of the blackboard 1 is fixedly connected with a magnet block 7, the magnet block 7 can absorb the blackboard eraser with a metal sheet, the upper end of the blackboard 1 is provided with an internal thread groove 8, the inner end of the internal thread groove 8 is in threaded connection with an external thread rod 9 for convenient disassembly, the left end of the supporting seat 2 positioned on the left side is fixedly connected with a first connecting rod 11, the right end of the first connecting rod 11 is fixedly connected with a first guide wheel 12, the right end of the supporting seat 2 positioned on the right side is fixedly connected with a second connecting rod 15, the upper end and the right end of the second connecting rod 15 are respectively and fixedly connected with a second guide wheel 13 and a third guide wheel 14, the right end of the supporting seat 2 is sequentially provided with a limiting groove 16 and a positioning groove 22 from top to bottom, the limiting groove 16 is positioned on the lower side of the second connecting rod 15, the limiting groove 16 plays a limiting role, the inner, the right end of the limiting rotating shaft 17 is fixedly connected with a positioning block 18, the middle part of the right end of the positioning block 18 is fixedly connected with a rope winding roller 19, the right end of the rope winding roller 19 is fixedly connected with a rotating hand 20, the rotating hand 20 is used for shaking, the surface of the rotating hand 20 is wrapped with a rubber pad, anti-skid lines are engraved on the rubber pad, the rubber pad increases hand feeling comfort level, the anti-skid lines enable the rope winding roller to be not easy to fall off, a steel wire rope 10 is wound on the rope winding roller 19, the rope winding roller 19 is used for winding the steel wire rope 10, one end of the steel wire rope 10 is fixedly connected to the rope winding roller 19, the other end of the steel wire rope 10 sequentially penetrates through a third guide wheel 14, a second guide wheel 13 and a first guide wheel 12, the other end of the steel wire rope 10 is fixedly connected to the upper end of an outer threaded rod 9, the left end of the positioning block 18 is provided with a plurality of uniformly distributed positioning holes 21, a, the locating pin 23 can both inject between locating hole 21 and the constant head tank 22, and the position of fixing the locating piece 18 makes it no longer rotate, and the constant head tank 22 all has the foam-rubber cushion through nylon subsides bonding with a plurality of locating hole 21's inner wall, and the foam-rubber cushion increases the friction for peg graft and fasten more.

The working principle is as follows: when blackboard 1 goes up and down when needs, pull out locating pin 23, wave change hand 20, change hand 20 and rotate and to drive wire winding roller 19 and rotate, can receive rope and put the rope to wire rope 10, wire rope 10 receives the rope and puts the external screw rod 9 of rope accessible and drive blackboard 1 and go up and down, go up and down to suitable high back, insert locating pin 23 between locating hole 21 and the constant head tank 22, fixed locating piece 18 makes it no longer rotate, thereby make wire winding roller 19 no longer rotate, make wire rope 10 no longer receive and release, can accomplish the lift, and easy operation is convenient, the utility model discloses be convenient for go up and down, can satisfy the teacher of different heights, easy operation is convenient.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. The utility model provides an easy blackboard that goes up and down, includes blackboard (1) and a pair of supporting seat (2), its characterized in that: the blackboard (1) is located between a pair of supporting seats (2), and is a pair of one end that supporting seats (2) are close to mutually is all opened and chiseled jagged groove (3), blackboard (1) sliding connection is between a pair of jagged groove (3), the lower extreme fixedly connected with stable seat (4) of supporting seat (2), and is a pair of fixedly connected with stable pole (6) between supporting seat (2), and stable pole (6) are located the downside of jagged groove (3), the upper end of blackboard (1) is opened and chiseled interior thread groove (8), the inner threaded connection of interior thread groove (8) has external screw thread pole (9), one the left end fixedly connected with head rod (11) of supporting seat (2), the right-hand member fixedly connected with first leading wheel (12) of head rod (11), another the right-hand member fixedly connected with second connecting rod (15) of supporting seat (2), the upper end and the right-hand member of second connecting rod (15) are fixedly connected with second leading wheel (13) and third leading wheel (14) respectively, the right-hand member top-down of supporting seat (2) is seted up spacing groove (16) and constant head tank (22) in proper order, and spacing groove (16) are located the downside of second connecting rod (15), the inner rotation of spacing groove (16) is connected with spacing pivot (17), the right-hand member fixedly connected with locating piece (18) of spacing pivot (17), the right-hand member middle part fixedly connected with wire winding roller (19) of locating piece (18), the right-hand member fixedly connected with runner (20) of wire winding roller (19), the winding has wire rope (10) on wire winding roller (19), the one end fixed connection of wire rope (10) is on wire winding roller (19), the other end of wire rope (10) passes third leading wheel (14) in proper order, The steel wire rope positioning device comprises a second guide wheel (13) and a first guide wheel (12), the other end of a steel wire rope (10) is fixedly connected to the upper end of an external thread rod (9), a plurality of uniformly distributed positioning holes (21) are formed in the left end of a positioning block (18), and positioning pins (23) are inserted between positioning grooves (22) and positioning holes (21) which are located on the same horizontal plane.

2. An easily liftable blackboard according to claim 1, characterized in that: the lower ends of the pair of the stabilizing seats (4) are fixedly connected with a pair of universal wheels (5), and the universal wheels (5) are sleeved with protective sleeves.

3. An easily liftable blackboard according to claim 1, characterized in that: the lower end of the blackboard (1) is fixedly connected with a magnet block (7).

4. An easily liftable blackboard according to claim 1, characterized in that: the surface of the rotating hand (20) is wrapped with a rubber pad, and anti-skid lines are carved on the rubber pad.

5. An easily liftable blackboard according to claim 1, characterized in that: the positioning grooves (22) and the inner walls of the positioning holes (21) are all adhered with sponge cushions through nylon.

6. An easily liftable blackboard according to claim 1, characterized in that: the inner wall of the gap groove (3) is connected with a smooth polishing layer.