CN209813538U

CN209813538U - Blackboard newspaper

Info

Publication number: CN209813538U
Application number: CN201920384249.5U
Authority: CN
Inventors: 吴玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2019-12-20
Anticipated expiration: 2029-03-22

Abstract

The utility model discloses a novel blackboard newspaper, including wall body and blackboard, the front of wall body is provided with the blackboard, and the positive both sides of wall body are all fixed and are equipped with the connecting rod, and the fluting has all been seted up to the opposite side of two connecting rods, and the fluting internal fixation is equipped with the gag lever post. The utility model discloses a backup pad, cooperation second pivot, can play spacing effect to the blackboard, when needs move the blackboard down, remove the backup pad, through the slide bar, make the blackboard move down, through gag lever post and spring, can play the effect of hindrance at the in-process that the blackboard moved down, prevent that the slide bar from producing deformation because the blackboard whereabouts is too fast, the service life of the device has been improved, through first pulley, second pulley and solid fixed ring, the cooperation fixed block, first pivot and rope body, the rising of the blackboard of being convenient for, the physical power has been saved, the practicality has been improved, through this setting, can realize the upper and lower regulation of blackboard, need not the junior student, especially, the schoolchild carries out the preparation of blackboard newspaper with the help of tools such as stool, the potential safety hazard has been reduced.

Description

Blackboard newspaper

Technical Field

The utility model relates to a blackboard specifically is a novel blackboard newspaper.

Background

The blackboard newspaper is a popular propaganda place which takes a fixed or movable blackboard as a carrier and chalk or advertising pigment as a writing and drawing tool, has the advantages of easy scrubbing, modification and replacement, is the most economic, convenient and common propaganda form, and has wide application in schools of middle and primary schools.

At present, the blackboard newspaper is generally fixed on a wall surface, and is fixed at a high position of the wall surface in order to make the blackboard newspaper stand out, but for the junior students, especially the primary school students, the blackboard newspaper needs to be manufactured by means of tools such as a stool, and is easy to fall and hurt, and potential safety hazards exist. Therefore, we improve the technology and propose a new blackboard newspaper.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects existing in the prior art, the utility model provides a novel blackboard newspaper.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a novel blackboard newspaper, including wall body and blackboard, the front of wall body is provided with the blackboard, the equal fixed connecting rod that is equipped with in the positive both sides of wall body, two the fluting has all been seted up to the opposite side of connecting rod, the fluting internal fixation is equipped with the gag lever post, the gag lever post alternates there is the slide bar, two the looks remote site of slide bar respectively with the top fixed connection of blackboard both sides, the slide bar appears to expose in the fixed solid fixed ring that is equipped with in grooved position, two the both ends of connecting rod opposite side all are provided with the assembly pulley, the assembly pulley passes through the rope body and is connected, two with solid fixed ring the bottom of connecting rod all is provided with the backup pad.

As a preferred technical scheme of the utility model, the cover is equipped with the spring on the gag lever post, the top of spring contacts with the bottom of slide bar, the bottom of spring and the bottom fixed connection of gag lever post.

As a preferred technical scheme of the utility model, the assembly pulley includes first pulley and second pulley, first pulley and second pulley are located the top and the bottom of connecting rod opposite side respectively.

As a preferred technical scheme of the utility model, the both sides side of first pulley and second pulley all is provided with the dead lever, is located two of same avris it has first pivot to alternate between the dead lever, and just two first pivots alternate with first pulley and second pulley respectively and be connected.

As a preferred technical scheme of the utility model, the one end and the solid fixed ring fixed connection of the rope body, the other end of the rope body is walked around first pulley and second pulley fixed connection, the end fixing of the first pivot in second pulley place is equipped with the rocker.

As a preferred technical scheme of the utility model, the bottom mounting second pivot of connecting rod, the second pivot alternates with the backup pad to be connected, and the second pivot passes the fixed spacing dish that is equipped with in position of backup pad.

The utility model has the advantages that: this kind of novel blackboard newspaper, through the backup pad, the cooperation second pivot, can play spacing effect to the blackboard, when needs move the blackboard down, remove the backup pad, through the slide bar, make the blackboard remove downwards, through gag lever post and spring, can play the effect of hindrance at the in-process that the blackboard moved down, prevent that the slide bar from producing deformation because the blackboard whereabouts is too fast, the service life of the device has been improved, through first pulley, second pulley and solid fixed ring, the cooperation fixed block, first pivot and rope body, the rising of the blackboard of being convenient for, physical power has been saved, the practicality has been improved, through this setting, can realize the upper and lower regulation of blackboard, need not the junior middle school student, especially, the schoolchild carries out blackboard newspaper's preparation with the help of instruments such as stool, potential safety hazard has been reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a novel blackboard newspaper of the present invention;

fig. 2 is a schematic view of a partial structure of a blackboard newspaper according to the present invention;

fig. 3 is a schematic sectional structure view of a connecting rod of the blackboard newspaper of the present invention;

fig. 4 is a schematic view of a cross-sectional structure of a support plate of the blackboard newspaper of the present invention.

In the figure: 1. a wall body; 2. a blackboard; 3. a connecting rod; 4. grooving; 5. a limiting rod; 6. a slide bar; 7. a fixing ring; 8. a pulley block; 801. a first pulley; 802. a second pulley; 9. a rope body; 10. a support plate; 11. a spring; 12. fixing the rod; 13. a first rotating shaft; 14. a rocker; 15. a second rotating shaft; 16. a limiting disc.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model relates to a novel blackboard newspaper, including wall body 1 and blackboard 2, wall body 1's front is provided with blackboard 2, wall body 1 positive both sides are all fixed and are equipped with connecting rod 3, fluting 4 has all been seted up to two connecting rod 3's opposite side, fluting 4 internal fixation is equipped with gag lever post 5, gag lever post 5 alternates there is slide bar 6, two slide bar 6's looks remote site respectively with the top fixed connection of blackboard 2 both sides, slide bar 6 is exposed in the fixed solid fixed ring 7 that is equipped with in position of fluting 4, the both ends of two connecting rod 3 opposite sides all are provided with assembly pulley 8, assembly pulley 8 is connected with solid fixed ring 7 through the rope body 9, the bottom of two connecting rod 3 all is provided with backup pad 10, and.

Wherein, the cover is equipped with spring 11 on the gag lever post 5, the top of spring 11 contacts with the bottom of slide bar 6, the bottom of spring 11 and the bottom fixed connection of gag lever post 5, 2 whereabouts of blackboard, and then drive slide bar 6 and slide on gag lever post 5, along with the slip of slide bar 6, make the compression of spring 11, under the effect of spring 11, the effect of hindrance has been played to the speed of 2 whereabouts of blackboard, prevent that slide bar 6 from producing deformation because 2 whereabouts of blackboard are too fast, the device's life has been improved.

The pulley block 8 comprises a first pulley 801 and a second pulley 802, and the first pulley 801 and the second pulley 802 are respectively positioned at the top and the bottom of the other side of the connecting rod 3; fixing rods 12 are arranged on two sides of the first pulley 801 and the second pulley 802, a first rotating shaft 13 is inserted between the two fixing rods 12 on the same side, and the two first rotating shafts 13 are respectively inserted and connected with the first pulley 801 and the second pulley 802; rope 9's one end and solid fixed ring 7 fixed connection, rope 9's the other end is walked around first pulley 801 and second pulley 802 fixed connection, the end fixing of the first pivot 13 in second pulley 802 place is equipped with rocker 14, after blackboard newspaper preparation finishes, rock simultaneously and rotate rocker 14, along with the rotation of rocker 14 drives second pulley 802 and rotates, under rope 9's effect, along with the rotation of second pulley 802 drives first pulley 801 and rotates, and then solid fixed ring 7 of pulling makes blackboard 2 rebound, the physical power has been saved, the practicality has been improved.

Wherein, the bottom mounting second pivot 15 of connecting rod 3, second pivot 15 alternates with backup pad 10 and is connected, and the fixed spacing dish 16 that is equipped with in the position that backup pad 10 was passed in second pivot 15, under the effect of second pivot 15, rotates backup pad 10, under spacing dish 16's effect, prevents that backup pad 10 from droing from second pivot 15, along with the rotation of backup pad 10, when backup pad 10 no longer contacts with the bottom of blackboard 2, blackboard 2 whereabouts.

When the blackboard eraser works, when the blackboard 2 needs to be moved downwards, the supporting plate 10 is rotated under the action of the second rotating shaft 15, the supporting plate 10 is prevented from falling off from the second rotating shaft 15 under the action of the limiting disc 16, along with the rotation of the supporting plate 10, when the supporting plate 10 is not contacted with the bottom end of the blackboard 2 any more, the blackboard 2 falls down, and further the sliding rod 6 is driven to slide on the limiting rod 5, along with the sliding of the sliding rod 6, the spring 11 is compressed, under the action of the spring 11, the falling speed of the blackboard 2 is hindered, the sliding rod 6 is prevented from being deformed due to the fact that the blackboard 2 falls too fast, the service life of the blackboard eraser is prolonged, after the blackboard eraser is manufactured, the rocker 14 is simultaneously rotated, along with the rotation of the rocker 14, the second pulley 802 is driven to rotate, under the action of the rope 9, the first pulley 801 is driven to rotate along with the rotation of the second pulley 802, and further the fixing ring 7 is pulled to, the physical power is saved, and the practicability is improved.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The novel blackboard newspaper comprises a wall body (1) and a blackboard (2), and is characterized in that the blackboard (2) is arranged on the front side of the wall body (1), connecting rods (3) are fixedly arranged on the two front sides of the wall body (1), two opposite sides of the connecting rods (3) are respectively provided with a slot (4), a limiting rod (5) is fixedly arranged in the slot (4), a sliding rod (6) is inserted into the limiting rod (5), opposite ends of the two sliding rods (6) are respectively fixedly connected with the top ends of the two sides of the blackboard (2), a fixing ring (7) is fixedly arranged at the position, exposed out of the slot (4), of each sliding rod (6), pulley blocks (8) are arranged at the two ends of the other side of the two connecting rods (3), each pulley block (8) is connected with the fixing ring (7) through a rope body (9), and a support plate (10) is arranged at the bottom ends of the two, and the top end of the supporting plate (10) is contacted with the bottom end of the blackboard (2).

2. The blackboard newspaper as claimed in claim 1, characterized in that the limiting rod (5) is sleeved with a spring (11), the top end of the spring (11) is in contact with the bottom end of the sliding rod (6), and the bottom end of the spring (11) is fixedly connected with the bottom end of the limiting rod (5).

3. The blackboard newspaper as claimed in claim 1, characterised in that the pulley block (8) comprises a first pulley (801) and a second pulley (802), the first pulley (801) and the second pulley (802) being respectively located at the top and at the bottom of the other side of the connecting rod (3).

4. The blackboard newspaper as claimed in claim 3, wherein the fixing rods (12) are arranged on both sides of the first pulley (801) and the second pulley (802), the first rotating shaft (13) is inserted between the two fixing rods (12) on the same side, and the two first rotating shafts (13) are respectively inserted and connected with the first pulley (801) and the second pulley (802).

5. The blackboard newspaper as claimed in claim 4, characterized in that one end of the rope body (9) is fixedly connected with the fixing ring (7), the other end of the rope body (9) is fixedly connected with the second pulley (802) by passing through the first pulley (801), and the end of the first rotating shaft (13) where the second pulley (802) is located is fixedly provided with the rocker (14).

6. The blackboard newspaper as claimed in claim 1, characterized in that the bottom end of the connecting rod (3) is fixed with a second rotating shaft (15), the second rotating shaft (15) is connected with the supporting plate (10) in a penetrating manner, and a position of the second rotating shaft (15) passing through the supporting plate (10) is fixedly provided with a limiting disc (16).