CN210911788U

CN210911788U - Teaching aid for social teaching

Info

Publication number: CN210911788U
Application number: CN201920931090.4U
Authority: CN
Inventors: 陈丹旎
Original assignee: Chongqing Industry Polytechnic College
Current assignee: Chongqing Industry Polytechnic College
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-07-03
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses a sociology teaching aid, concretely relates to teaching equipment field, including a top case, the equal fixed mounting in the left and right sides of top incasement chamber has a curb plate, two fixed mounting has the blackboard that is located under the top case between the curb plate, two the change handle has all been seted up to the inside of curb plate, the bottom fixed mounting of spacing groove has the bottom block, the top fixed mounting of bottom block has the bracing piece, the top movable sleeve of bracing piece is equipped with flexible loop bar, the top fixed mounting of flexible loop bar has the locating piece. The utility model discloses a rotate and change the handle for thereby the brush reciprocates and adsorbs the chalk on blackboard surface, thereby reaches the effect of quick clearance dust, has increased the speed of clearance blackboard promptly, also makes the clearance person keep away from the blackboard, has avoided clearance blackboard in-process to adsorb a large amount of dusts and has caused the impaired problem of health, very big increase the device's practicality.

Description

Teaching aid for social teaching

Technical Field

The utility model relates to a teaching equipment technical field, more specifically says, the utility model relates to a social teaching aid.

Background

Sociology is a subject of a door system to objectively study human society and social interaction, and has three main theoretical analysis perspectives, namely, functional meaning, conflict theory and interaction theory.

The existing sociology teaching aid mainly uses a blackboard, the problem that the existing blackboard mainly exists in the using process is that manual blackboard erasing is laborious and troublesome, the manual blackboard erasing is not easy to erase, a large amount of dust is very easy to absorb, and the human health is greatly harmed.

Therefore, a social teaching aid which reduces manpower and is far away from dust is needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a social teaching aid, change the handle through rotating, thereby make the brush reciprocate the chalk line that adsorbs the blackboard surface, thereby reach the effect of quick clearance dust, the speed of clearance blackboard has been increased promptly, also make the clearance person keep away from the blackboard, it adsorbs a large amount of dust and causes the impaired problem of health to have avoided clearing up the blackboard in-process, very big increase the device's practicality, the swing range that the bull stick reciprocated is injectd through the locating piece, it is clean more high-efficient to have guaranteed to wipe the blackboard, utilize buffer spring's settlement simultaneously, make bull stick whereabouts process more stable, be difficult for appearing the collision and cause wearing and tearing, very big assurance the device's life, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a social teaching aid comprises a top box, wherein side plates are fixedly arranged on the left side and the right side of an inner cavity of the top box, a blackboard positioned right below the top box is fixedly arranged between the two side plates, rotating handles are arranged in the two side plates, a bottom block is fixedly arranged at the bottom of a limiting groove, a supporting rod is fixedly arranged at the top of the bottom block, a telescopic loop bar is movably sleeved at the top of the supporting rod, and a positioning block is fixedly arranged at the top of the telescopic loop bar;

the top parts of the two positioning blocks are respectively movably sleeved with a rotating rod and a linkage rod, the rotating rod and the linkage rod are detachably mounted through a clamping buckle, pull ropes are fixedly wound on the outer portions of the rotating rod and the linkage rod, the other end of each pull rope is fixedly connected with a connecting plate, the top surface of the connecting plate is fixedly connected with the top surface of the inner cavity of the top box, and a brush positioned right above the blackboard is fixedly sleeved on the outer portion of the rotating rod;

the outer part of the rotating rod is fixedly sleeved with a linked wire wheel, the outer surface of the linked wire wheel is connected with a driving wire wheel through a connecting rope in a transmission manner, and the inner part of the driving wire wheel is fixedly sleeved with a rotating handle.

In a preferred embodiment, the outer part of the support rod is movably sleeved with a buffer spring, and the upper end and the lower end of the buffer spring are fixedly connected with the bottom surface of the telescopic sleeve rod and the top surface of the bottom block respectively.

In a preferred embodiment, the end of the linkage rod is fixedly sleeved with a limit block located on the side surface of the side plate.

In a preferred embodiment, the end part of the rotating rod is movably sleeved with a stabilizing bearing, and the side surface of the stabilizing bearing is clamped with the inner wall of the top box.

In a preferred embodiment, the end of the rotating handle extends to the inside of one side plate, and the front face of one side plate is sleeved with a fixing bolt matched with the rotating handle in a threaded manner.

In a preferred embodiment, the snap fastener has two connecting pieces, and the two connecting pieces are connected to each other by a fixing bolt.

The utility model discloses a technological effect and advantage:

1. the utility model makes the brush move up and down to adsorb the chalk on the surface of the blackboard by rotating the rotating handle, thereby achieving the effect of quickly cleaning the dust, namely increasing the speed of cleaning the blackboard, and also making the cleaner keep away from the blackboard, avoiding the problem of body damage caused by adsorbing a large amount of dust in the process of cleaning the blackboard, and greatly increasing the practicability of the device;

2. the utility model discloses a positioning piece is injectd the swing range that the bull stick reciprocated, has guaranteed to wipe the blackboard clean more high-efficient, utilizes buffer spring's settlement simultaneously for bull stick whereabouts process is more stable, is difficult for appearing the collision and causes wearing and tearing, very big assurance the device's life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the external structure of fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic view of the structure at a of the present invention.

Fig. 4 is a schematic side view of the side plate of the present invention.

The reference signs are: 1. a top box; 2. a side plate; 3. a blackboard; 4. a rotating rod; 5. a linkage rod; 6. a clamping buckle; 7. a brush; 8. pulling a rope; 9. a connecting plate; 10. a limiting block; 11. a linkage wire wheel; 12. connecting ropes; 13. a driving wire wheel; 14. turning a handle; 15. fixing the bolt; 16. a limiting groove; 17. a bottom block; 18. a support bar; 19. a telescopic loop bar; 20. positioning blocks; 21. a buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

The social teaching aid comprises a top box 1, wherein side plates 2 are fixedly mounted on the left side and the right side of an inner cavity of the top box 1, a blackboard 3 positioned under the top box 1 is fixedly mounted between the two side plates 2, rotating handles 14 are arranged in the two side plates 2, a bottom block 17 is fixedly mounted at the bottom of a limiting groove 16, a supporting rod 18 is fixedly mounted at the top of the bottom block 17, a telescopic loop bar 19 is movably sleeved at the top of the supporting rod 18, and a positioning block 20 is fixedly mounted at the top of the telescopic loop bar 19;

the tops of the two positioning blocks 20 are respectively movably sleeved with a rotating rod 4 and a linkage rod 5, the rotating rod 4 and the linkage rod 5 are detachably mounted through a clamping buckle 6, pull ropes 8 are fixedly wound outside the rotating rod 4 and the linkage rod 5, the other end of each pull rope 8 is fixedly connected with a connecting plate 9, the top surface of each connecting plate 9 is fixedly connected with the top surface of the inner cavity of the top box 1, and a brush 7 positioned right above the blackboard 3 is fixedly sleeved outside the rotating rod 4;

the outer part of the rotating rod 4 is fixedly sleeved with a linked wire wheel 11, the outer surface of the linked wire wheel 11 is connected with a driving wire wheel 13 through a connecting rope 12 in a transmission way, the inside of the driving wire wheel 13 is fixedly sleeved with a rotating handle 14, the outside of the supporting rod 18 is movably sleeved with a buffer spring 21, the upper end and the lower end of the buffer spring 21 are respectively fixedly connected with the bottom surface of the telescopic loop bar 19 and the top surface of the bottom block 17, the end part of the linkage rod 5 is fixedly sleeved with a limiting block 10 positioned on the side surface of the side plate 2, the end part of the rotating rod 4 is movably sleeved with a stabilizing bearing, the side surface of the stabilizing bearing is clamped with the inner wall of the top box 1, the end part of the rotating handle 14 extends into one side plate 2, the front surface of one side plate 2 is sheathed with a fixing bolt 15 matched with the rotating handle 14, the clamping buckle 6 is respectively provided with two connecting sheets, and the two connecting sheets are mutually connected through a fixing bolt.

The implementation mode is specifically as follows: rotate 14 through rotating, thereby make brush 7 reciprocate and adsorb the chalk on 3 surfaces of blackboard, thereby reach the effect of quick clearance dust, the speed of clearance blackboard has been increased promptly, also make the clearance person keep away from the blackboard, it causes the impaired problem of health to have avoided adsorbing a large amount of dusts in the clearance blackboard in-process, very big increase the device's practicality, the swing range that bull stick 4 reciprocated is injectd through locating piece 20, it is clean more high-efficient to have guaranteed to wipe the blackboard, utilize buffer spring 21's settlement simultaneously, make bull stick 4 whereabouts process more stable, be difficult for appearing the collision and cause wearing and tearing, very big assurance the device's life.

The utility model discloses the theory of operation:

firstly, after the chalk characters on the surface of the blackboard 3 need to be cleaned, the fixing bolt 15 is loosened, so that the brush 7 descends due to self gravity, and slides over the surface of the blackboard 3, then the chalk characters on the surface of the blackboard 3 are cleaned, then the rotating handle 14 is rotated, the brush 7 is lifted to the inside of the top box 1, the minutes on the surface of the blackboard 3 are cleaned for the second time in the lifting process, and finally, after the brush 7 enters the inside of the top box 1, the rotating handle 14 is fixed through the fixing bolt 15, namely the chalk characters can be cleaned.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be interpreted broadly, and may be mechanical or electrical, or communication between two elements, and may be directly connected, where "up," "down," "left," "right," and the like are merely used to indicate relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationships may change;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a social teaching aid, includes top case (1), its characterized in that: the blackboard eraser is characterized in that side plates (2) are fixedly mounted on the left side and the right side of an inner cavity of a top box (1), a blackboard (3) located under the top box (1) is fixedly mounted between the two side plates (2), rotating handles (14) are arranged inside the two side plates (2), a bottom block (17) is fixedly mounted at the bottom of a limiting groove (16), a supporting rod (18) is fixedly mounted at the top of the bottom block (17), a telescopic loop bar (19) is movably sleeved at the top of the supporting rod (18), and a positioning block (20) is fixedly mounted at the top of the telescopic loop bar (19);

the top parts of the two positioning blocks (20) are respectively movably sleeved with a rotating rod (4) and a linkage rod (5), the rotating rod (4) and the linkage rod (5) are detachably mounted through a clamping buckle (6), pull ropes (8) are fixedly wound on the outer parts of the rotating rod (4) and the linkage rod (5), the other end of each pull rope (8) is fixedly connected with a connecting plate (9), the top surface of each connecting plate (9) is fixedly connected with the top surface of the inner cavity of the top box (1), and a brush (7) positioned right above the blackboard (3) is fixedly sleeved on the outer part of the rotating rod (4);

the outer part of the rotating rod (4) is fixedly sleeved with a linked wire wheel (11), the outer surface of the linked wire wheel (11) is in transmission connection with a driving wire wheel (13) through a connecting rope (12), and the inner part of the driving wire wheel (13) is fixedly sleeved with a rotating handle (14).

2. A social teaching aid as claimed in claim 1, wherein: the outer portion of the supporting rod (18) is movably sleeved with a buffer spring (21), and the upper end and the lower end of the buffer spring (21) are fixedly connected with the bottom surface of the telescopic sleeve rod (19) and the top surface of the bottom block (17) respectively.

3. A social teaching aid as claimed in claim 1, wherein: the end part of the linkage rod (5) is fixedly sleeved with a limiting block (10) positioned on the side surface of the side plate (2).

4. A social teaching aid as claimed in claim 1, wherein: the end part of the rotating rod (4) is movably sleeved with a stabilizing bearing, and the side surface of the stabilizing bearing is clamped with the inner wall of the top box (1).

5. A social teaching aid as claimed in claim 1, wherein: the end part of the rotating handle (14) extends to the inside of one side plate (2), and the front surface of one side plate (2) is sleeved with a fixing bolt (15) matched with the rotating handle (14) in a threaded manner.

6. A social teaching aid as claimed in claim 1, wherein: the clamping buckle (6) is provided with two connecting sheets respectively, and the two connecting sheets are connected with each other through a fixing bolt.