CN220937351U

CN220937351U - Graph learning aid

Info

Publication number: CN220937351U
Application number: CN202321994213.1U
Authority: CN
Inventors: 邓杜娟
Original assignee: Wuzhou vocational college
Current assignee: Wuzhou vocational college
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-05-14
Anticipated expiration: 2033-07-27

Abstract

The utility model provides a graph learning aid, which relates to the technical field of teaching equipment and comprises: a fixing seat; the bottom end of the fixed seat is in a rectangular array shape and is fixedly connected with four universal wheels; a lifting screw rod is rotatably connected in the middle of the fixing seat; the upper part of the lifting screw is connected with a lifting seat in a threaded manner; the top end surface of the lifting seat is fixedly connected with a mounting box; the upper part of the mounting box is provided with a mounting frame; two function drawing boards are symmetrically and fixedly connected to the left part of the mounting frame; two writing boards are symmetrically and fixedly connected to the right part of the mounting frame; the two writing boards are aligned with the positions of the two function drawing boards respectively. The full writing board and function drawing board are collected by pulling the control frame, the next clean writing board and function drawing board are transferred to the front side for continuous use, and the problem that a great amount of time is wasted because a teacher is required to clean the function drawing board and the writing board frequently in the teaching process of a lesson is solved.

Description

Graph learning aid

Technical Field

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

Background

In the process of function graph learning, a teacher usually draws a graph of a function and explains the graph to learn the function graph, the teacher usually uses a graph learning aid for conveniently drawing and explaining the function graph, the conventional graph learning aid is usually composed of a function drawing board, a writing board and a supporting frame, the function drawing board and the writing board are supported through the supporting frame in the use process, the graph of the function is drawn through the function drawing board, and the drawn function graph is written and explained through the writing board.

For example: the utility model has disclosed a kind of higher mathematical function figure teaching aid of application number CN202120970914.6, include the function drawing board specifically, the front fixedly connected with fixed rail of function drawing board, the upper surface roll-connect with the teaching writing board of fixed rail, the front of function drawing board has offered the spout, the inner wall sliding connection of spout has the slide bar, the front of slide bar has offered the chucking groove, the inner wall sliding connection of chucking groove has the chucking pole with cap, the outer surface cover of chucking pole with cap is equipped with the chucking spring, the surface fixedly connected with coordinate rope of slide bar. This higher mathematics function figure teaching assistor through slide bar, take cap chucking pole, chucking spring and two coordinate ropes, can establish the coordinate axis in the front of function drawing board fast, through the positive coordinate point of function drawing board, makes things convenient for the mr to utilize the accurate drawing of coordinate point to draw out the function figure, through the teaching clipboard, conveniently parse the function figure to make whole teaching assistor have the effect of drawing the function figure fast.

However, with the conventional graphic learning assistor at present, after the function drawing board and the writing board are fully drawn, the contents on the function drawing board and the writing board need to be manually cleaned and then written and drawn, but in the teaching process of a lesson, a teacher is usually required to frequently clean the function drawing board and the writing board, so that a great deal of time is wasted, and the learning efficiency of students is also influenced while the teaching efficiency is influenced.

Disclosure of utility model

In view of the above, the present utility model provides a graphic learning aid, which is capable of directly continuing to use clean function drawing boards and writing boards to the front side after the function drawing boards and writing boards are full, and automatically cleaning the full function drawing boards and writing boards, by pulling the control rack to make the control rack drive the transmission rack to move and stretch the return spring, by rotating the transmission rack to drive the transmission gear to rotate, by rotating the transmission gear to drive the ratchet wheel to rotate, by rotating the ratchet wheel to drive the fixed rotating shaft to rotate by the pawl engaged with the ratchet wheel, by rotating the fixed rotating shaft to drive the transmission worm to rotate, by rotating the transmission worm to drive the mounting rack to rotate, by rotating the mounting rack to retract the full writing boards and function drawing boards and the function drawing boards to the front side to continue to be used, without frequent cleaning of the writing boards and function drawing boards by workers, by the aid of a simple and quick operation, by increasing the teaching efficiency, by increasing the cleaning effect of the aid of the convenient function drawing blocks, by extruding the aid of the flexible cleaning blocks, by extruding the function drawing boards and the aid of the convenient function drawing aid, and the convenient to press and clean blocks in the process of the function drawing boards and the convenient to move in which the cleaning aid can be connected with the function drawing boards can be cleaned by the convenient to move in a convenient for cleaning blocks, the convenience of the graph learning assistor is effectively improved.

The utility model provides a graph learning assistor, which specifically comprises: a fixing seat; the bottom end of the fixed seat is in a rectangular array shape and is fixedly connected with four universal wheels; a lifting screw rod is rotatably connected in the middle of the fixing seat; the upper part of the lifting screw is connected with a lifting seat in a threaded manner; the top end surface of the lifting seat is fixedly connected with a mounting box; the upper part of the mounting box is provided with a mounting frame; two function drawing boards are symmetrically and fixedly connected to the left part of the mounting frame; two writing boards are symmetrically and fixedly connected to the right part of the mounting frame; the two writing boards are aligned with the positions of the two function drawing boards respectively; the left part of the mounting box is rotatably connected with a connecting cylinder in the middle; the installation box is connected with a fixed rotating shaft in a rotating way.

Optionally, an operation rod is rotatably connected to the front part of the fixing seat; the outside of the operating rod is fixedly connected with a first gear; the second gear is fixedly connected with the outside of the lifting screw; the second gear is meshed with the first gear; two spring telescopic rods are symmetrically and fixedly connected to the bottom end surface of the mounting box; the tail ends of the two spring telescopic rods are fixedly connected to the top end face of the fixing seat.

Optionally, a guide frame is fixedly connected to the upper part of the mounting box; a transmission rack is connected in a sliding way in the guide frame; the rear part of the transmission rack is fixedly connected with a reset spring; the tail end of the reset spring is fixedly connected in the installation box; the right part of the connecting cylinder is fixedly connected with a ratchet wheel; the outer part of the ratchet wheel is fixedly connected with a transmission gear; the transmission gear is meshed with the transmission rack; the front part of the transmission rack is fixedly connected with a control frame.

Optionally, a fixed disc is arranged on the inner side of the ratchet wheel; the fixed disc is fixedly connected to the outside of the fixed rotating shaft; the left part of the fixed disc is rotationally connected with a pawl; a torsion spring is fixedly connected at the joint of the pawl and the fixed disc; the pawl is engaged with the ratchet wheel.

Optionally, the right part of the fixed rotating shaft is fixedly connected with a transmission worm wheel; a transmission worm is rotatably connected in the middle of the installation box; the transmission worm is meshed with the transmission worm wheel; the mounting bracket fixed connection is in the upper portion of drive worm.

Optionally, a connecting frame is fixedly connected to the upper part of the rear end face of the installation box; two connecting sliding blocks are symmetrically and slidingly connected in the connecting frame; a group of supporting springs are symmetrically and fixedly connected to the outer sides of the two connecting sliding blocks; the tail ends of the two groups of supporting springs are fixedly connected in the connecting frame; the rear end surfaces of the two connecting sliding blocks are fixedly connected with a fixing frame; the fixing frame is connected in the connecting frame in a sliding way; the front end surface of the fixing frame is fixedly connected with a cleaning wiping block in the middle; the cleaning wipe is aligned with the mounting bracket.

Advantageous effects

According to the utility model, after the function drawing board and the writing board are fully drawn, the clean function drawing board and the writing board can be directly used continuously to the front side, and the fully drawn function drawing board and writing board can be automatically cleaned, so that a worker is not required to frequently clean the graphic learning aid, the operation is simple and quick, the teaching efficiency is effectively improved, the learning effect of students is increased, the use is more convenient, the practicability of the graphic learning aid is improved, and the worker can conveniently and quickly adjust the height of the graphic learning aid, so that the universality of the graphic learning aid is improved.

In addition, make the drive rack drive gear through pulling the control frame rotate to make the ratchet drive fixed pivot through the pawl that meshes with it and rotate, make the drive worm wheel drive the drive worm and rotate, make the mounting bracket rotate and pack up full clipboard and function drawing board and with next clean clipboard and function drawing board turn to the front side and continue to use, do not need the staff to clean clipboard and function drawing board frequently, easy operation is swift, the effectual teaching efficiency that has improved, increase student's study effect, it is more convenient to use, the practicality of graph study assistor has been improved.

In addition, can extrude the clearance wipe the piece at mounting bracket pivoted in-process for the mount drives the connection slider and slides and extrude the supporting spring, can make the clearance wipe the piece and hug closely on clipboard and function drawing board under the effect of supporting spring self elastic potential energy, and it is clean fast to clipboard and function drawing board, and the follow-up figure study assistor of being convenient for uses, the effectual convenience that improves the figure study assistor.

In addition, make first gear drive the second gear through rotating the action bars and rotate to make lifting screw drive the lifting seat and remove, the removal through the lifting seat drives the installation case and removes the height of the pattern study assistor and adjust, the effectual universality that improves the pattern study assistor.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.

In the drawings:

FIG. 1 is a schematic diagram of an axial structure of the present utility model.

Fig. 2 is a schematic cross-sectional view of the fixing base of the present utility model.

Fig. 3 is a schematic cross-sectional view of the mounting case of the present utility model.

FIG. 4 is a schematic diagram of an axial structure of the ratchet of the present utility model.

Fig. 5 is a schematic cross-sectional view of the connector of the present utility model.

Fig. 6 is an enlarged schematic view of the structure of fig. 5 at a in accordance with the present utility model.

List of reference numerals

1. A fixing seat; 101. a universal wheel; 102. an operation lever; 103. lifting screw rods; 104. a first gear; 105. a second gear; 106. a lifting seat; 107. a mounting box; 108. a spring telescoping rod; 109. a connecting cylinder; 110. fixing the rotating shaft; 111. a ratchet wheel; 112. a fixed plate; 113. a pawl; 114. a transmission gear; 115. a guide frame; 116. a drive rack; 117. a return spring; 118. a control rack; 119. a drive worm wheel; 120. a drive worm; 121. a mounting frame; 122. a function drawing board; 123. a writing board; 124. a connecting frame; 125. a fixing frame; 126. the connecting slide block; 127. a support spring; 128. cleaning the wiping block.

Detailed Description

In order to make the objects, aspects and advantages of the technical solution of the present utility model more clear, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present utility model. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.

Embodiment one:

a graphics learning aid, as shown in fig. 1-4, comprising: a fixing seat 1;

The bottom end of the fixed seat 1 is in a rectangular array shape and is fixedly connected with four universal wheels 101; a lifting screw 103 is rotatably connected in the fixing seat 1 in the middle; the upper part of the lifting screw 103 is connected with a lifting seat 106 in a threaded manner; the top end surface of the lifting seat 106 is fixedly connected with a mounting box 107; the upper part of the mounting box 107 is provided with a mounting frame 121; two function drawing boards 122 are symmetrically and fixedly connected to the left part of the mounting frame 121; two writing boards 123 are symmetrically and fixedly connected to the right part of the mounting frame 121; the two writing boards 123 are aligned with the positions of the two function drawing boards 122, respectively; a connecting cylinder 109 is rotatably connected to the left part of the mounting box 107 in the middle; a fixed rotating shaft 110 is rotatably connected to the mounting box 107.

The front part of the fixed seat 1 is rotatably connected with an operating rod 102; the outside of the operating lever 102 is fixedly connected with a first gear 104; a second gear 105 is fixedly connected to the outer part of the lifting screw 103; the second gear 105 is meshed with the first gear 104; two spring telescopic rods 108 are symmetrically and fixedly connected to the bottom end surface of the mounting box 107; the tail ends of the two spring telescopic rods 108 are fixedly connected to the top end face of the fixing seat 1.

A guide frame 115 is fixedly connected to the upper part of the mounting box 107; a transmission rack 116 is slidably connected to the guide frame 115; a reset spring 117 is fixedly connected to the rear part of the transmission rack 116; the end of the return spring 117 is fixedly connected in the installation box 107; a ratchet wheel 111 is fixedly connected to the right part of the connecting cylinder 109; a transmission gear 114 is fixedly connected to the outer part of the ratchet 111; the drive gear 114 is meshed with a drive rack 116; a control rack 118 is fixedly connected to the front of the drive rack 116.

A fixed disk 112 is arranged on the inner side of the ratchet 111; the fixed disk 112 is fixedly connected to the outside of the fixed rotating shaft 110; a pawl 113 is rotatably connected to the left part of the fixed plate 112; a torsion spring is fixedly connected at the joint of the pawl 113 and the fixed disc 112; pawl 113 is engaged with ratchet 111.

The right part of the fixed rotating shaft 110 is fixedly connected with a transmission worm wheel 119; a transmission worm 120 is rotatably connected in the middle of the installation box 107; the drive worm 120 is meshed with the drive worm wheel 119; the mounting frame 121 is fixedly connected to the upper portion of the driving worm 120.

Initially, the operating lever 102 is rotated to drive the first gear 104 to rotate, the second gear 105 is driven to rotate by the rotation of the first gear 104, the second gear 105 is driven to drive the lifting screw 103 to rotate, the lifting seat 106 is driven to drive the mounting box 107 to move in the process of the rotation of the lifting screw 103 to adjust the height of the pattern learning aid, the universality of the pattern learning aid is effectively improved, the mounting box 107 can be guided in the process of the movement of the mounting box 107 by the arrangement of the spring telescopic rod 108, the pattern learning aid can be conveniently moved by a worker by the arrangement of the universal wheel 101, the control rack 118 is driven to move and stretch the reset spring 117 by pulling the control rack 118, the transmission gear 114 is driven to rotate by the rotation of the transmission rack 116, the ratchet wheel 111 is driven to rotate through the rotation of the transmission gear 114, the fixed rotating shaft 110 is driven to rotate through the pawl 113 meshed with the ratchet wheel 111 in the rotation process of the ratchet wheel 111, meanwhile, the fixed rotating shaft 110 can only rotate unidirectionally through the characteristics between the pawl 113 and the ratchet wheel 111, the fixed rotating shaft 110 is prevented from being driven to rotate in the resetting process of the transmission rack 116, the transmission worm wheel 119 is driven to rotate in the rotation process of the fixed rotating shaft 110, the transmission worm 120 is driven to rotate through the rotation of the transmission worm wheel 119, the mounting frame 121 is driven to rotate through the rotation of the transmission worm 120, the full writing board 123 and the function drawing board 122 are collected through the rotation of the mounting frame 121, the next clean writing board 123 and the function drawing board 122 are rotated to the front side for continuous use, the writing board 123 and the function drawing board 122 do not need to be cleaned frequently by staff, the operation is simple and quick, the teaching efficiency is effectively improved, the learning effect of students is improved, the use is more convenient, and the practicability of the graphic learning aid is improved.

Embodiment two:

On the basis of the first embodiment, as shown in fig. 5 and fig. 6, the method further includes: the connecting frame 124, the fixing frame 125, the connecting slide block 126, the supporting spring 127 and the cleaning block 128, and the upper part of the rear end surface of the mounting box 107 is fixedly connected with the connecting frame 124; two connecting sliding blocks 126 are symmetrically and slidably connected in the connecting frame 124; a group of supporting springs 127 are symmetrically and fixedly connected to the outer sides of the two connecting sliding blocks 126; the tail ends of the two groups of supporting springs 127 are fixedly connected in the connecting frame 124; the rear end surfaces of the two connecting sliding blocks 126 are fixedly connected with a fixing frame 125; the fixing frame 125 is slidably connected in the connecting frame 124; the front end surface of the fixing frame 125 is fixedly connected with a cleaning wipe block 128 in the middle; the cleaning wipe 128 is aligned with the position of the mounting frame 121.

The cleaning wiping block 128 can be extruded in the process of rotating the mounting frame 121, the cleaning wiping block 128 drives the fixing frame 125 to move, the connecting sliding block 126 is driven to slide in the connecting frame 124 through the movement of the fixing frame 125 and extrude the supporting spring 127, the cleaning wiping block 128 can be tightly attached to the writing board 123 and the function drawing board 122 under the action of the elastic potential energy of the supporting spring 127, the writing board 123 and the function drawing board 122 are further cleaned rapidly, the subsequent graph learning aid is convenient to use, and the convenience of the graph learning aid is effectively improved.

Claims

1. A graphic learning aid, comprising: a fixed seat (1); four universal wheels (101) are fixedly connected with the bottom end of the fixed seat (1) in a rectangular array shape; a lifting screw (103) is rotatably connected in the fixing seat (1) in the middle; the upper part of the lifting screw (103) is in threaded connection with a lifting seat (106); the top end surface of the lifting seat (106) is fixedly connected with a mounting box (107); the upper part of the mounting box (107) is provided with a mounting rack (121); two function drawing boards (122) are symmetrically and fixedly connected to the left part of the mounting frame (121); two writing boards (123) are symmetrically and fixedly connected to the right part of the mounting frame (121); the two writing boards (123) are aligned with the positions of the two function drawing boards (122) respectively; a connecting cylinder (109) is rotatably connected to the left part of the mounting box (107) in the middle; the mounting box (107) is rotatably connected with a fixed rotating shaft (110).

2. A graphic learning aid as claimed in claim 1, wherein: an operating rod (102) is rotatably connected to the front part of the fixed seat (1); the outside of the operating rod (102) is fixedly connected with a first gear (104); the second gear (105) is fixedly connected with the outside of the lifting screw (103); the second gear (105) is meshed with the first gear (104); two spring telescopic rods (108) are symmetrically and fixedly connected to the bottom end surface of the mounting box (107); the tail ends of the two spring telescopic rods (108) are fixedly connected to the top end surface of the fixed seat (1).

3. A graphic learning aid as claimed in claim 1, wherein: the upper part of the installation box (107) is fixedly connected with a guide frame (115); a transmission rack (116) is connected in a sliding way in the guide frame (115); the rear part of the transmission rack (116) is fixedly connected with a reset spring (117); the tail end of the reset spring (117) is fixedly connected in the installation box (107); the right part of the connecting cylinder (109) is fixedly connected with a ratchet wheel (111); the outside of the ratchet wheel (111) is fixedly connected with a transmission gear (114); the transmission gear (114) is meshed with the transmission rack (116); a control rack (118) is fixedly connected to the front part of the transmission rack (116).

4. A graphic learning aid as claimed in claim 3, wherein: a fixed disc (112) is arranged on the inner side of the ratchet wheel (111); the fixed disc (112) is fixedly connected to the outside of the fixed rotating shaft (110); the left part of the fixed disc (112) is rotatably connected with a pawl (113); a torsion spring is fixedly connected at the joint of the pawl (113) and the fixed disc (112); the pawl (113) is engaged with the ratchet (111).

5. A graphic learning aid as claimed in claim 1, wherein: the right part of the fixed rotating shaft (110) is fixedly connected with a transmission worm wheel (119); a transmission worm (120) is rotatably connected in the middle of the installation box (107); the transmission worm (120) is meshed with the transmission worm wheel (119); the mounting frame (121) is fixedly connected to the upper part of the transmission worm (120).

6. A graphic learning aid as claimed in claim 1, wherein: the upper part of the rear end surface of the mounting box (107) is fixedly connected with a connecting frame (124); two connecting sliding blocks (126) are symmetrically and slidingly connected in the connecting frame (124); a group of supporting springs (127) are symmetrically and fixedly connected to the outer sides of the two connecting sliding blocks (126); the tail ends of the two groups of supporting springs (127) are fixedly connected in the connecting frame (124); the rear end surfaces of the two connecting sliding blocks (126) are fixedly connected with a fixing frame (125); the fixing frame (125) is connected in the connecting frame (124) in a sliding way; the front end surface of the fixing frame (125) is fixedly connected with a cleaning wiping block (128) in the middle; the cleaning wipe (128) is aligned with the mounting bracket (121).