CN214803575U

CN214803575U - Blackboard support for primary school's mathematical education

Info

Publication number: CN214803575U
Application number: CN202121574236.8U
Authority: CN
Inventors: 唐海琪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-11-23
Anticipated expiration: 2031-07-12

Abstract

The utility model relates to a blackboard support for primary school's mathematical education includes the removal subassembly, frame body and control assembly, be equipped with horizontal mounting groove on the frame body top, be equipped with vertical mounting groove on its both sides, horizontal mounting groove both ends communicate with the vertical mounting groove of its both sides respectively, be equipped with the rotary rod in the horizontal mounting groove, dwang and fixed block, the rotary rod rotates with the fixed block to be connected, the dwang top passes horizontal mounting groove top, be equipped with first bevel gear on its bottom, first bevel gear and second bevel gear meshing, be equipped with the screw rod in the vertical mounting groove, the rotary rod both ends are connected with screw rod upper portion through drive assembly respectively, be equipped with the slider on the screw rod, be equipped with horizontal electric telescopic link on the slider, be equipped with the clamp block on the electric telescopic link tip; the utility model discloses effectively overcome current blackboard function singleness, can not effectively assist the pupil low grade student and answer the question, need heighten with the stool, cause student's answer consuming time more, influence the process of going to class, have the potential safety hazard scheduling problem.

Description

Blackboard support for primary school's mathematical education

Technical Field

The utility model relates to a teaching aid technical field especially relates to a blackboard support is used in primary school's mathematical education.

Background

The primary school mathematics is a series of knowledge of teaching materials, such as arithmetic of four fundamental rules, calculation formulas of figures and lengths and unit conversion, which teach students of lower grades of primary schools about numbers, and lays a good mathematical foundation for the calculation of junior middle schools and daily life.

In a primary school mathematical teaching classroom, teachers can write some questions on a blackboard and call some students to answer the questions on the blackboard in order to know the learning conditions of the students in time, but the students in the lower grades of the primary school are relatively small, so that the students are difficult to answer on the higher blackboard, and need to be lifted by using a stool and then write; however, the existing blackboard is simple in structure and single in function, is not suitable for students in lower grades of primary schools to answer questions, and cannot effectively assist the students in lower grades of primary schools to learn mathematics, the students in lower grades of primary schools step on the stool to answer the questions, and when the students in lower grades of primary schools cannot reach the answering area of the blackboard, the students need to stand on tiptoes, and when answering the questions, the bodies are unbalanced, the stability is poor, the answering time is long, the lesson process is affected, more importantly, when the students finish answering the questions in lower grades of primary schools and get off the stool, due to the fact that the stool is high, the students easily fall off the stool, the potential safety hazard exists, and the using requirements of teachers and students cannot be satisfied.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough of prior art and provide a blackboard support for primary school's mathematical education, through the cooperation design of removing subassembly, frame body and control assembly, effectively overcome current blackboard function singleness, can not effectively assist primary school's low grade student to answer a question, need fill up with the stool, cause student's answer a question consuming time more, influence the process of going to school, have the potential safety hazard scheduling problem.

The utility model discloses the technical scheme who adopts:

a blackboard support for primary school mathematics teaching comprises a moving component, a square frame body and a control component, wherein the frame body is fixed on the moving component, the top of the frame body is provided with a horizontal mounting groove, two sides of the frame body are respectively provided with a vertical mounting groove, two ends of the horizontal mounting groove are respectively communicated with the vertical mounting grooves on the two sides of the horizontal mounting groove, a rotary rod and a plurality of fixed blocks are arranged in the horizontal mounting groove, the rotary rod is rotatably connected with the fixed blocks, the top end of the rotary rod vertically penetrates through the top of the horizontal mounting groove, the bottom end of the rotary rod is provided with a first bevel gear which is meshed with a second bevel gear arranged on the rotary rod, a screw rod rotatably connected with the vertical mounting groove is arranged in the vertical mounting groove, two ends of the rotary rod are respectively connected with the upper part of the screw rod through a transmission component, a slide block matched with the vertical mounting groove is arranged on the screw rod, a horizontal electric telescopic rod is arranged on the slide block, and a vertical concave clamping block is arranged on the end part of the electric telescopic rod, the control assembly is connected with the electric telescopic rod.

Further, the control assembly comprises a controller and a storage battery, the controller and the storage battery are respectively arranged on the bottom plate, the controller is connected with the electric telescopic rod, and the storage battery is respectively electrically connected with the controller and the electric telescopic rod.

Further, the movable assembly comprises a bottom plate and a plurality of universal wheels, the universal wheels are evenly distributed and arranged on the bottom of the bottom plate, a plurality of supporting rods are arranged on the bottom plate, and the frame body is fixed to the tops of the supporting rods.

Furthermore, a foot brake sheet is arranged on the universal wheel.

Furthermore, a knob is arranged on the top of the rotating rod, and an anti-skid convex edge is arranged on the outer surface of the knob.

Further, a cushion is arranged on the inner surface of the clamping block.

Furthermore, a collection disc is detachably arranged at the bottom of the frame body.

Further, the transmission assembly comprises a first bevel gear and a second bevel gear, the first bevel gear is arranged on the screw rod, the second bevel gear is arranged on the end portion of the rotating rod, and the first bevel gear is meshed with the second bevel gear.

Furthermore, a spring is sleeved on the outer portion of the electric telescopic rod, and two ends of the spring are respectively connected with the clamping block and the frame body.

Furthermore, the blackboard is made of magnetic materials, the blackboard is provided with a blackboard eraser in a matching way, the back of the blackboard eraser is embedded with a magnet, and the magnet is attracted with the blackboard.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses simple structure, convenient to use, reasonable in design, safe and reliable is through removing the subassembly

The cooperation design of frame body and control assembly effectively overcomes current blackboard function singleness, can not effectively assist the pupil junior student of primary school to answer a question, need heighten with the stool, causes the student to answer a question consuming time more, influences the process of lessoning, has the potential safety hazard scheduling problem.

2. Utilize the removal subassembly to drive the blackboard and remove to required position, need not to carry with the manual work, labour saving and time saving, the structure is simple and convenient, and it is convenient to use.

3. The blackboard is placed in the frame body, the blackboard corresponds to the clamping blocks on the left side and the right side of the frame body, the control assembly executes an instruction and sends the instruction to the electric telescopic rod, the electric telescopic rod drives the clamping blocks to move forwards, the clamping blocks are attached to the two sides of the blackboard and effectively clamped until the clamping blocks are attached to the two sides of the blackboard, and stability of students in answering on the blackboard is guaranteed.

4. Teacher writes the question of waiting to answer earlier on the blackboard, primary school's low grade student is when answering the question, teacher adjusts according to primary school's low grade student's height to the blackboard, through rotating the dwang, first bevel gear on the dwang bottom drives the rotary rod forward or reverse rotation in horizontal mounting groove through the second bevel gear, and then the second bevel gear on the rotary rod both ends drives the screw rod through first bevel gear and rotates at vertical mounting groove internal stability, make the slider on the screw rod slide from top to bottom along vertical mounting groove inner wall, the slider passes through electric telescopic handle and drives clamping block and remove thereupon, and then clamping block drives the blackboard and reciprocates, adjust the blackboard to the suitable height of student, be convenient for the student on the blackboard answer the question, application scope is wider, can satisfy in the primary school low grade student of different heights and answer the question.

Drawings

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

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a sectional view of the water storage tank of the present invention;

FIG. 4 illustrates the present invention;

FIG. 5 is a state diagram of the present invention;

in the figure: 1. a frame body; 2. a clamping block; 3. a slider; 4. a vertical mounting groove; 5. a collection tray; 6. a base plate; 7. a universal wheel; 8. a storage battery; 9. a controller; 10. a support bar; 11. a knob; 12. rotating the rod; 13. a blackboard; 14. a spring; 15. a blackboard eraser; 16. an electric telescopic rod; 17. a screw; 18. rotating the rod; 19. a fixed block; 20. a second bevel gear; 21. a first bevel gear; 22. a transverse mounting groove; 23. a first bevel gear; 24. a second bevel gear.

Detailed Description

In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.

Referring to fig. 1 to 5, the utility model provides a blackboard support for primary school's mathematical education, including moving assembly, frame body 1 and control assembly, frame body 1 is square structure, frame body 1 is fixed on moving assembly, be equipped with horizontal mounting groove 22 on the top of frame body 1, be equipped with vertical mounting groove 4 on the left and right sides of frame body 1 respectively, the both ends of horizontal mounting groove 22 communicate with vertical mounting groove 4 of both sides respectively, be equipped with rotary rod 18 in the horizontal mounting groove 22, dwang 12 and a plurality of fixed block 19, fixed block 19 sets up in horizontal mounting groove 22, rotary rod 18 is connected with fixed block 19 rotation, utilize fixed block 19 to ensure rotary rod 18 to rotate steadily in horizontal mounting groove 22, the top of dwang 12 vertically passes the top of horizontal mounting groove 22 and is connected with it rotation, the bottom of dwang 12 is located horizontal mounting groove 22, and the bottom end of the rotating rod 12 is provided with a first bevel gear 21, the first bevel gear 21 is meshed with a second bevel gear 20 arranged on a rotating rod 18, a screw rod 17 is arranged in a vertical mounting groove 4, two ends of the screw rod 17 are respectively rotatably connected with the vertical mounting groove 4, two ends of the rotating rod 18 are respectively connected with the upper part of the screw rod 17 through a transmission assembly, the rotating rod 18 drives the screw rod 17 to rotate in the vertical mounting groove 4 through the transmission assembly, the screw rod 17 is provided with a slide block 3, the slide block 3 is in threaded connection with the screw rod 17, the slide block 3 is matched with the vertical mounting groove 4, namely, the slide block 3 can slide up and down along the inner wall of the vertical mounting groove 4, the slide block 3 is provided with a transverse electric telescopic rod 16, the end part of the electric telescopic rod 16 is provided with a vertical clamping block 2, the clamping block 2 is of a concave structure, two sides of the blackboard 13 are clamped by the clamping block 2, and a control assembly is connected with the electric telescopic rod 16, a control assembly is utilized to control the extension and retraction of the motorized telescopic pole 16.

Specifically, the control assembly comprises a controller 9 and a storage battery 8, the controller 9 and the storage battery 8 are respectively arranged on the bottom plate 6, the controller 9 is connected with the electric telescopic rod 16, and the storage battery 8 is respectively electrically connected with the controller 9 and the electric telescopic rod 16; the battery 8 provides stable power for controller 9 and electric telescopic handle 16, through the flexible work of controller 9 in order to control electric telescopic handle 16, conveniently presss from both sides tightly the both sides of blackboard 13 through electric telescopic handle 16, ensures the stability that blackboard 13 used.

Specifically, the moving assembly comprises a bottom plate 6 and a plurality of universal wheels 7, the universal wheels 7 are uniformly distributed and arranged on the bottom of the bottom plate 6, a plurality of support rods 10 are arranged on the bottom plate 6, and the frame body 1 is fixed on the tops of the support rods 10; the universal wheel 7 drives the bottom plate 6 to move, the bottom plate 6 drives the frame body 1 to move through the supporting rod 10, and then the blackboard 13 is driven to move to a required position, so that the moving is convenient, and the use is convenient.

Specifically, the universal wheel 7 is provided with a foot brake sheet; the bottom plate 6 moves to a required position through the universal wheel 7, the foot brake sheet is stepped downwards lightly, the universal wheel 7 is braked by the foot brake sheet, and the phenomenon that the universal wheel 7 slides when in use is prevented.

Specifically, the top of the rotating rod 12 is provided with a knob 11, and the outer surface of the knob 11 is provided with an anti-skid convex edge; convenient rotatory dwang 12 through knob 11 for first bevel gear 21 on the dwang 12 bottom drives second bevel gear 20 and rotates, and then second bevel gear 20 drives rotary rod 18 at horizontal mounting groove 22 internal rotation, reasonable in design, the simple operation.

Specifically, a cushion is arranged on the inner surface of the clamping block 2; the two sides of the blackboard 13 are prevented from directly contacting the clamping blocks 2, so that the blackboard 13 is indented, the appearance is not beautiful, and the use effect is influenced.

Specifically, the bottom of the frame body 1 is detachably provided with a collecting tray 5; collecting tray 5 is located blackboard 13's below, when the chalk writes on blackboard 13, the chalk dust drifts down, effectively collect the chalk dust through collecting tray 5, avoid the chalk dust to fly everywhere, teacher and student inhale the chalk dust and exert an influence to the health, furthermore, be connected for the dismantlement formula between collecting tray 5 and the frame body 1, be full of the chalk dust in collecting tray 5, and is removable, clear up the chalk dust in collecting tray 5, install it back the normal position again, continue to use

Specifically, the transmission assembly comprises a first bevel gear 23 and a second bevel gear 24, the first bevel gear 23 is arranged on the screw 17, the second bevel gear 24 is arranged on the end of the rotating rod 18, and the first bevel gear 23 is engaged with the second bevel gear 24; when the rotating rod 18 rotates in the transverse mounting groove 22, the rotating rod 18 drives the second bevel gears 24 fixed on both ends of the rotating rod to rotate, and the second bevel gears 24 drive the screw rods 17 to rotate in the vertical mounting grooves 4 through the first bevel gears 23, so that the sliding blocks 3 on the screw rods 17 move up and down along the vertical mounting grooves 4.

Specifically, a spring 14 is sleeved on the outer part of the electric telescopic rod 16, and two ends of the spring 14 are respectively connected with the clamping block 2 and the frame body 1; the spring 14 has a certain buffering effect on the blackboard 13, so that the blackboard 13 is prevented from bumping easily when encountering an uneven road surface in the moving process, and the blackboard 13 is easy to collide to influence the service life of the blackboard.

Specifically, the blackboard 13 is made of magnetic materials, the blackboard 13 is provided with the blackboard eraser 15 in a matching mode, the back of the blackboard eraser 15 is embedded with a magnet, and the magnet is attracted with the blackboard 13. The blackboard eraser 15 is used for erasing the blackboard 13, and after the blackboard eraser is used, the blackboard 13 can be attracted to the blackboard, so that the blackboard eraser is extremely convenient to use.

The utility model discloses a theory of operation does:

before the blackboard eraser is used, the blackboard 13 is placed inside the frame body 1, the blackboard 13 corresponds to the clamping block 2, the controller 9 sends an execution instruction to the electric telescopic rod 16, the electric telescopic rod 16 extends forwards gradually, the electric telescopic rod 16 drives the clamping block 2 to be close to two sides of the blackboard 13 gradually until the clamping block 2 is attached to two sides of the blackboard 13 and clamps the blackboard, and the use stability of the blackboard 13 is ensured.

When in use, the height of the blackboard 13 is adjusted according to the height of a student, the rotating rod 12 is rotated forward or backward by the knob 11, the first bevel gear 21 on the bottom end of the rotating rod 12 drives the rotating rod 18 to rotate forward or backward in the transverse mounting groove 22 through the second bevel gear 20, and then the second bevel gears 24 on the two ends of the rotating rod 18 drive the screw rod 17 to rotate smoothly in the vertical mounting groove 4 through the first bevel gear 23, so that the sliding block 3 on the screw rod 17 can slide up and down along the inner wall of the vertical mounting groove 4, the sliding block 3 drives the clamping block 2 to move along with the sliding block through the electric telescopic rod 16, and then the clamping block 2 drives the blackboard 13 to move up and down, the blackboard 13 is adjusted to the proper height of the student, the student can conveniently answer on the blackboard 13, the application range is wide, and the answer of students in low grades in primary schools with different heights can be satisfied, the utility model discloses a moving assembly, the frame body 1 and a control assembly are mutually matched, effectively overcome the junior student of primary school and be less relatively, can't reach the answer area of blackboard, need stand on tiptoe, the disequilibrium of health during the answer, stability is relatively poor, and the answer is consuming time more, influences the process of going to class, adopts the mode that the stool bed was high moreover, and the student falls easily from the stool, has the potential safety hazard, fails to satisfy mr and student's user demand. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a blackboard support is used in primary school's mathematical education which characterized in that: the device comprises a moving assembly, a square frame body and a control assembly, wherein the frame body is fixed on the moving assembly, a transverse mounting groove is arranged on the top of the frame body, vertical mounting grooves are respectively arranged on two sides of the frame body, two ends of the transverse mounting groove are respectively communicated with the vertical mounting grooves on the two sides of the transverse mounting groove, a rotary rod and a plurality of fixed blocks are arranged in the transverse mounting groove, the rotary rod is rotatably connected with the fixed blocks, the top end of the rotary rod vertically penetrates through the top of the transverse mounting groove, a first bevel gear is arranged at the bottom end of the rotary rod and is meshed with a second bevel gear arranged on the rotary rod, a screw rod rotatably connected with the vertical mounting groove is arranged in the vertical mounting groove, two ends of the rotary rod are respectively connected with the upper part of the screw rod through a transmission assembly, a sliding block matched with the vertical mounting groove is arranged on the screw rod, a transverse electric telescopic rod is arranged on the sliding block, and a vertical concave clamping block is arranged at the end part of the electric telescopic rod, the control assembly is connected with the electric telescopic rod.

2. The blackboard support for primary school mathematics teaching according to claim 1, characterized in that: the control assembly comprises a controller and a storage battery, the controller and the storage battery are respectively arranged on the bottom plate, the controller is connected with the electric telescopic rod, and the storage battery is respectively electrically connected with the controller and the electric telescopic rod.

3. The blackboard support for primary school mathematics teaching according to claim 1, characterized in that: the movable assembly comprises a bottom plate and a plurality of universal wheels, the universal wheels are evenly distributed and arranged on the bottom of the bottom plate, a plurality of supporting rods are arranged on the bottom plate, and the frame body is fixed on the tops of the supporting rods.

4. The blackboard support for primary school mathematics teaching according to claim 3, characterized in that: and a foot brake sheet is arranged on the universal wheel.

5. The blackboard support for primary school mathematics teaching according to claim 1, characterized in that: the top of the rotating rod is provided with a knob, and the outer surface of the knob is provided with an anti-skid convex edge.

6. The blackboard support for primary school mathematics teaching according to claim 1, characterized in that: the inner surface of the clamping block is provided with a cushion.

7. The blackboard support for primary school mathematics teaching according to claim 1, characterized in that: the detachable collecting tray is arranged at the bottom of the frame body.

8. The blackboard support for primary school mathematics teaching according to claim 1, characterized in that: the transmission assembly comprises a first bevel gear and a second bevel gear, the first bevel gear is arranged on the screw rod, the second bevel gear is arranged on the end portion of the rotating rod, and the first bevel gear is meshed with the second bevel gear.

9. The blackboard support for primary school mathematics teaching according to claim 1, characterized in that: the electric telescopic rod is characterized in that a spring is sleeved on the outer portion of the electric telescopic rod, and two ends of the spring are respectively connected with the clamping block and the frame body.

10. The blackboard support for primary school mathematics teaching according to claim 1, characterized in that: the blackboard is made of magnetic materials, a blackboard eraser is arranged on the blackboard in a matched mode, a magnet is embedded in the back of the blackboard eraser, and the magnet is attracted with the blackboard.