CN220574093U

CN220574093U - Teaching auxiliary device

Info

Publication number: CN220574093U
Application number: CN202321179403.8U
Authority: CN
Inventors: 施天峰; 许中兰; 尤诗意; 陆熙贤; 陈斌
Original assignee: Suzhou Dingdang Network Technology Co ltd
Current assignee: Suzhou Dingdang Network Technology Co ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2024-03-12
Anticipated expiration: 2033-05-16

Abstract

The utility model discloses a teaching auxiliary device which comprises a cleaning box and a box cover arranged on the front side of the cleaning box, wherein a brush roller is rotatably arranged on the right part of the inner side of the cleaning box, the brush roller is driven to rotate by a hand wheel assembly arranged on the cleaning box, a blackboard eraser clamping device which is arranged in the cleaning box in a sliding manner is arranged on the left side of the brush roller, and the blackboard eraser clamping device is driven to slide left and right by a hand pushing assembly arranged on the cleaning box. Compared with the prior art, the method has the advantages that: according to the utility model, the blackboard eraser is fixed in the placing box through the baffle plate and the spring, and is placed in the cleaning box for cleaning, so that the flying of chalk dust around during cleaning is reduced; the placing box is conveniently moved by the hand push rod, so that the blackboard eraser fixed in the placing box is contacted with the brush roller, and the cleaning of the blackboard eraser is facilitated; the hand wheel drives the brush roller to rotate to clean the blackboard eraser, so that the operation is convenient, time-saving and labor-saving.

Description

Teaching auxiliary device

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a teaching aid.

Background

In classrooms, multimedia devices are used together with blackboards and the like. However, there is still a disadvantage in that the blackboard eraser is used to clean the blackboard after writing on the blackboard, and it is difficult to clean chalk dust attached to the blackboard after the blackboard eraser is used for a long time. Most of the existing ash removal methods are used for laboriously beating and cleaning blackboard eraser, so that chalk dust can fly around in the air, and teachers and students feel uncomfortable when breathing.

Here, in order to solve the above-mentioned problems, we propose a teaching aid.

Disclosure of Invention

The utility model aims to solve the technical problems and provide the teaching auxiliary device which can reduce the flying of chalk dust when the dust is removed, and the dust removal operation is more convenient and saves trouble.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

the teaching auxiliary device comprises a cleaning box and a box cover arranged at the front side of the cleaning box, wherein a brush roller is rotatably arranged at the right part of the inner side of the cleaning box and driven to rotate by a hand wheel assembly arranged on the cleaning box, a blackboard eraser clamping device which is arranged in the cleaning box in a sliding manner is arranged at the left side of the brush roller, and the blackboard eraser clamping device is driven to slide left and right by a hand pushing assembly arranged on the cleaning box;

the blackboard eraser clamping device comprises a placing box, a T-shaped pull rod, a spring and a baffle, wherein the baffle is movably arranged on the lower side of the interior of the placing box, the middle of the lower side of the baffle is fixedly connected with the tail end of the T-shaped pull rod, the rod body of the T-shaped pull rod penetrates through the lower box wall of the cleaning box and is in sliding connection with the lower box wall, and the baffle is connected with the inner bottom of the placing box through the spring. The blackboard eraser is conveniently fixed in the placement box;

the hand push subassembly includes the hand push rod, the strip leads to the groove has been seted up to clearance box upside left portion, the hand push rod downside is fixed with sliding fit and sets up at the strip and lead to inslot gliding slider. The placing box is conveniently driven to move in the cleaning box by the hand push rod.

As an improvement, the hand wheel assembly comprises a driven bevel gear, a drive bevel gear meshed with the driven bevel gear, a transmission rod and a hand wheel, wherein a brush roller rod is rotatably arranged on the right side of the bottom of the cleaning box, a brush roller is fixed on the brush roller rod, the driven bevel gear is fixedly sleeved on the brush roller rod in a sleeved mode, the drive bevel gear is fixedly sleeved at one end of the transmission rod, the transmission rod penetrates through the right box wall of the cleaning box and is rotatably connected with the box wall, and the hand wheel is arranged at the other end of the transmission rod. The brush roller is conveniently driven to rotate through the hand wheel, so that the plate wiper is cleaned.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the blackboard eraser is fixed in the placing box through the baffle plate and the spring, and is placed in the cleaning box for cleaning, so that the flying of chalk dust around during cleaning is reduced; the placing box is conveniently moved by the hand push rod, so that the blackboard eraser fixed in the placing box is contacted with the brush roller, and the cleaning of the blackboard eraser is facilitated; the hand wheel drives the brush roller to rotate to clean the blackboard eraser, so that the operation is convenient, time-saving and labor-saving.

Drawings

Fig. 1 is a schematic view of the front view direction structure of the present utility model.

Fig. 2 is a schematic top view of the present utility model.

As shown in the figure: 1. cleaning the box; 2. a strip-shaped through groove; 3. a hand push rod; 4. a slide block; 5. placing a box; 6. a baffle; 7. a spring; 8. a T-shaped pull rod; 9. a brush roller; 10. brushing a rolling rod; 11. a driven bevel gear; 12. a drive bevel gear; 13. a transmission rod; 14. a hand wheel; 15. and a box cover.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.

The present utility model will be described in further detail with reference to the accompanying drawings.

The utility model provides a teaching auxiliary device, includes clearance box 1, sets up the lid 15 at clearance box 1 front side, clearance box 1 lid 15 is transparent glass lid, pass through the hinge between the left side of lid 15 and the left side of clearance box 1, pass through the hasp connection between lid 15 right side and the clearance box 1 right side, the inboard right part rotation of clearance box 1 sets up brush roll 9.

The brush roll 9 is driven by a hand wheel assembly arranged on the cleaning box 1 to rotate, the hand wheel assembly comprises a driven bevel gear 11, a drive bevel gear 12 meshed with the driven bevel gear 11, a transmission rod 13 and a hand wheel 14, a brush roll rod 10 is rotatably arranged on the right side of the bottom of the cleaning box 1, the brush roll 9 is fixed on the brush roll rod 10, the driven bevel gear 11 is sleeved and fixed on the brush roll rod 10, the drive bevel gear 12 is sleeved and fixed at one end part of the transmission rod 13, the transmission rod 13 penetrates through the right box wall of the cleaning box 1 and is connected with the box wall in a rotating manner, and the hand wheel 14 is arranged at the other end of the transmission rod 13.

The brush roll 9 left side is equipped with the blackboard eraser clamping device who slides and set up in clearance box 1, blackboard eraser clamping device is including placing box 5, T shape pull rod 8, spring 7 and baffle 6, baffle 6 movable mounting is placing the inside downside of box 5, baffle 6 downside middle part and the terminal fixed connection of T shape pull rod 8, the body of rod of T shape pull rod 8 pass clearance box 1's lower box wall and with lower box wall between sliding connection, baffle 6 is connected through spring 7 with place between the box 5 inner bottom.

The blackboard eraser clamping device is driven to slide left and right by a hand pushing assembly arranged on the cleaning box 1, the hand pushing assembly comprises a hand pushing rod 3, a strip-shaped through groove 2 is formed in the left part of the upper side of the cleaning box 1, and a sliding block 4 which is arranged in the strip-shaped through groove 2 in a sliding fit manner is fixedly arranged on the lower side of the hand pushing rod 3.

When the utility model is embodied in the ash removal of the blackboard eraser, a teacher firstly places the blackboard eraser on a podium, opens the box cover 15, slides the hand push rod 3 to the leftmost end of the strip-shaped through groove 2, conveniently places the blackboard eraser in the placing box 5, pulls down the T-shaped pull rod 8, places the blackboard eraser in the placing box 5, releases the T-shaped pull rod 8, enables the baffle 6 to abut and fix the blackboard eraser through the rebound effect of the spring 7, then connects and locks the box cover 15 with the cleaning box 1 through the lock catch, then pushes the hand push rod 3 to the right, observes whether the blackboard eraser is contacted with the brush roller 9 through the box cover 15, presses the hand push rod 3 by the left hand after the contact, shakes the hand wheel 14 by the right hand, so that the hand wheel 14 drives the driving bevel gear 12 on the transmission rod 13 to rotate, the driving bevel gear 11 drives the driven bevel gear 11 to rotate, so that the brush roller 9 rotates to remove ash, the chalk dust drops from the placing box 5 to clean the bottom of the cleaning box 1, and after the end, the chalk dust drops from the placing box 5 to the cleaning box 1.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. An auxiliary device for teaching, which is characterized in that: the cleaning device comprises a cleaning box (1) and a box cover (15) arranged on the front side of the cleaning box (1), wherein a brush roller (9) is rotatably arranged on the right part of the inner side of the cleaning box (1), the brush roller (9) is driven to rotate by a hand wheel assembly arranged on the cleaning box (1), an blackboard eraser clamping device which is arranged in the cleaning box (1) in a sliding manner is arranged on the left side of the brush roller (9), and the blackboard eraser clamping device is driven to slide left and right by a hand pushing assembly arranged on the cleaning box (1);

the blackboard eraser clamping device comprises a placing box (5), a T-shaped pull rod (8), a spring (7) and a baffle plate (6), wherein the baffle plate (6) is movably arranged on the lower side of the inside of the placing box (5), the middle part of the lower side of the baffle plate (6) is fixedly connected with the tail end of the T-shaped pull rod (8), a rod body of the T-shaped pull rod (8) penetrates through the lower box wall of the cleaning box (1) and is in sliding connection with the lower box wall, and the baffle plate (6) is connected with the inner bottom of the placing box (5) through the spring (7);

the hand push assembly comprises a hand push rod (3), a strip-shaped through groove (2) is formed in the left part of the upper side of the cleaning box (1), and a sliding block (4) which is arranged in the strip-shaped through groove (2) in a sliding fit manner is fixed on the lower side of the hand push rod (3).

2. A teaching aid as claimed in claim 1, characterized in that: the hand wheel assembly comprises a driven bevel gear (11), a driving bevel gear (12) meshed with the driven bevel gear (11), a transmission rod (13) and a hand wheel (14), wherein a brush roller rod (10) is rotatably arranged on the right side of the bottom of the cleaning box (1), a brush roller (9) is fixed on the brush roller rod (10), the driven bevel gear (11) is sleeved and fixed on the brush roller rod (10), the driving bevel gear (12) is sleeved and fixed at one end part of the transmission rod (13), the transmission rod (13) penetrates through the right box wall of the cleaning box (1) and is connected with the box wall in a rotating mode, and the hand wheel (14) is arranged at the other end of the transmission rod (13).

3. A teaching aid as claimed in claim 1, characterized in that: the box cover (15) of the cleaning box (1) is a transparent glass box cover.

4. A teaching aid as claimed in claim 1, characterized in that: the left side of the box cover (15) is hinged with the left side of the cleaning box (1) through a hinge, and the right side of the box cover (15) is connected with the right side of the cleaning box (1) through a lock catch.