CN216128067U

CN216128067U - Portable teaching device

Info

Publication number: CN216128067U
Application number: CN202120072158.5U
Authority: CN
Inventors: 陆佳楠; 边叶宏
Original assignee: Shaoxing City Keqiao District Qianqing High School
Current assignee: Shaoxing City Keqiao District Qianqing High School
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2022-03-25
Anticipated expiration: 2031-01-12

Abstract

The utility model provides a portable teaching device, which relates to the technical field of teaching devices and comprises a casing and a fixing device, wherein the upper surface of the casing is rotatably connected with a machine cover, the fixing device is arranged on the inner wall of the casing and comprises a positioning plate, the positioning plate is slidably connected with the inner wall of the casing, one side of the casing close to the positioning plate is slidably connected with a sliding block, the sliding block is arranged in a U shape, one side of the sliding block is rotatably connected with a clamping plate, the clamping plate is rotatably connected with the sliding block, one side of the sliding block close to the clamping plate is rotatably connected with a stop block, and the stop block is slidably connected with the surface of the clamping plate. The chalk box solves the problems that when most of the existing chalks are used in teaching of schools, a user usually holds the chalks to operate, a large amount of dust is easily generated during use, the dust can fall on the hands and bodies of the user, the user consumes a large amount of time to clean the chalk, the attractiveness of the user is affected, the teaching is not facilitated, and the teaching quality is affected.

Description

Portable teaching device

Technical Field

The utility model relates to the technical field of teaching devices, in particular to a portable teaching device.

Background

Teaching is a human-specific talent training activity consisting of teacher's teaching and student's learning. Through the activities, teachers purposefully, programmatically and organically guide students to learn and master cultural scientific knowledge and skills, and promote the improvement of the qualities of the students, so that the students become people required by the society.

When the chalk is used in the teaching of present most schools, the user holds the chalk to operate usually, easily produces a large amount of dust during the use, and the dust can waft on user's hand and on one's body, causes the user to consume the plenty of time and clears up, influences user's pleasing to the eye simultaneously, is unfavorable for the teaching, influences the quality of teaching, to this need improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a portable teaching device.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a portable teaching device, includes casing and fixing device, the upper surface of casing rotates and is connected with the cover, fixing device is located the inner wall setting of casing, fixing device includes the locating plate, the inner wall sliding connection of locating plate and casing, one side sliding connection that the casing is close to the locating plate has the slider, the slider is "U" shape setting, one side of slider is rotated and is connected with the cardboard, the cardboard rotates with the slider to be connected, one side that the slider is close to the cardboard rotates and is connected with the dog, the dog offsets with the surface of cardboard, one side fixedly connected with dead lever of cardboard, the dead lever is "L" shape setting, one side that the slider is close to the dead lever rotates and is connected with the gag lever post, the gag lever post rotates with the dead lever to be connected, one side that the gag lever post was kept away from to the slider has seted up the drive tooth.

Preferably, one side of the machine shell, which is close to the driving teeth, is provided with a groove, one side of the machine shell, which is close to the groove, is rotatably connected with a gear, and the gear is meshed with the sliding block.

Preferably, one side of the gear is fixedly connected with a knob, one side of the shell, which is close to the sliding block, is provided with a sliding hole, and the sliding block is in sliding connection with the sliding hole.

Preferably, one side that the cover is close to the slider is provided with cleaning device, cleaning device includes the suction head, suction head and cover fixed connection, one side fixedly connected with positioning spring of suction head, one side sliding connection that the cover is close to the suction head has the storage box, one side rotation that the cover is close to the storage box is connected with the steadying plate.

Preferably, one side fixedly connected with lug that the cover was kept away from to the steadying plate, one side sliding connection that the cover is close to the lug has the sliding sleeve, the inner wall of sliding sleeve rotates and is connected with the control panel, the sliding sleeve is close to the spacing spring of one side fixedly connected with of control panel, one side and control panel fixed connection that the sliding sleeve was kept away from to spacing spring.

Preferably, the control panel is connected with the bump in a rotating mode, one side, far away from the sliding sleeve, of the control panel is fixedly connected with a pull rod, and the sliding sleeve is connected with the stabilizing plate in a sliding mode.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, by arranging the fixing device, when in use, the machine cover is rotated to take out the chalk, the chalk is placed on the sliding block, the block plate is immediately pulled, the block plate is rotated to clamp the chalk, the block plate is immediately loosened, the block plate loses constraint to generate elasticity to press the block plate, the block plate is abutted against the sliding block to fix the chalk, the sliding block immediately rotates the limiting rod to abut against the limiting rod when the fixed rod is close to the limiting rod, the machine cover is closed, the knob is immediately rotated to drive the gear, the gear immediately pushes the locating plate to slide, the locating plate drives the sliding block, the length of the chalk can be adjusted to use, the machine cover is opened to immediately rotate the limiting rod to separate the limiting rod, the block plate is upwards lifted, the chalk can be immediately rotated to take down the chalk, when most of the prior schools use the chalk, a user usually holds the chalk by hand to operate, a large amount of dust is easily generated during use, the dust can drift on user's hand and on one's body, causes the user to consume the plenty of time and clears up, influences the quality of teaching, and above-mentioned problem has been avoided effectively to this device and very big improvement the ease for use of equipment.

2. In the utility model, through arranging the cleaning device, when in use, chalk dust is sucked into the suction head by the suction head, the suction head enters the storage box, the pull rod is pulled, the pull rod drives the control panel to rotate to separate from the stabilizing plate, the sliding sleeve is then slid in the direction far away from the stabilizing plate, the stabilizing plate is rotated, the storage box is slid in the direction far away from the suction head, the storage box can be taken down to clean the dust, the storage box is placed on the frame and then slides in the direction of the suction head, the suction head is inserted into the storage box, the positioning spring is abutted against the storage box after being inserted into the storage box, the stabilizing plate is then rotated, the sliding sleeve is then slid, the pull rod is pulled to rotate the control panel after being close to the stabilizing plate, the sliding sleeve is continuously slid to cover the stabilizing plate, the pull rod is released, then the limiting spring is disengaged to pull the control panel to abut against the stabilizing plate, the storage box is fixed, and most of the existing chalks are used on a blackboard for teaching, produce a large amount of dust during the use, the dust is inhaled the health by the user through the air, leads to user's health to appear damaging, influences user's healthy, causes the use of equipment to have certain potential safety hazard, and above-mentioned problem has been avoided effectively to this device and very big improvement the security of equipment.

Drawings

FIG. 1 is a schematic perspective view of a portable teaching device according to the present invention;

FIG. 2 is a schematic diagram of an internal structure of a portable teaching device according to the present invention;

FIG. 3 is a schematic structural diagram of a fixing device in a portable teaching device according to the present invention;

FIG. 4 is a schematic diagram of a structure at A of FIG. 3 in a portable teaching device according to the present invention;

fig. 5 is a schematic structural diagram of a cleaning device in a portable teaching device according to the present invention.

Illustration of the drawings: 1. a housing; 2. a machine cover; 3. a fixing device; 31. a slider; 32. a stopper; 33. clamping a plate; 34. positioning a plate; 35. a gear; 36. a knob; 37. fixing the rod; 38. A limiting rod; 4. a cleaning device; 41. a suction head; 42. a positioning spring; 43. a limiting spring; 44. a pull rod; 45. a control panel; 46. a sliding sleeve; 47. a storage box; 48. and a stabilizing plate.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 5, a portable teaching device comprises a housing 1 and a fixing device 3, wherein a cover 2 is rotatably connected to the upper surface of the housing 1, and the fixing device 3 is disposed on the inner wall of the housing 1.

The specific arrangement and function of the holding device 3 and the cleaning device 4 will be described in detail below.

As shown in fig. 1 and 4, the fixing device 3 includes a positioning plate 34, the positioning plate 34 is slidably connected to the inner wall of the casing 1, a sliding block 31 is slidably connected to a side of the casing 1 close to the positioning plate 34, the sliding block 31 is in a "U" shape, a clamping plate 33 is rotatably connected to a side of the sliding block 31 close to the clamping plate 33, a stopper 32 is rotatably connected to a side of the sliding block 31 close to the clamping plate 33, the stopper 32 abuts against the surface of the clamping plate 33, a fixing rod 37 is fixedly connected to a side of the clamping plate 33, the fixing rod 37 is in an "L" shape, a limiting rod 38 is rotatably connected to a side of the sliding block 31 close to the fixing rod 37, the limiting rod 38 is rotatably connected to the fixing rod 37, a driving tooth is formed on a side of the sliding block 31 away from the limiting rod 38, a groove is formed on a side of the casing 1 close to the driving tooth, a gear 35 is rotatably connected to a side of the casing 1 close to the groove, and the gear 35 is engaged with the sliding block 31, a knob 36 is fixedly connected to one side of the gear 35, a sliding hole is formed in one side of the casing 1 close to the sliding block 31, and the sliding block 31 is connected with the sliding hole in a sliding mode.

The whole fixing device 3 achieves the effects that by arranging the fixing device 3, when in use, the machine cover 2 is rotated to take out the chalk, the chalk is placed on the sliding block 31, the stop block 32 is pulled immediately, the blocking plate 33 is rotated to block the chalk, the stop block 32 is loosened immediately, the stop block 32 loses constraint to generate elasticity to press the blocking plate 33 immediately, the blocking plate 33 is abutted against the sliding block 31 to fix the chalk, the sliding block 31 immediately rotates the limiting rod 38 to abut against the fixed rod 37 after the fixed rod 37 approaches the limiting rod 38 to close the machine cover 2, the knob 36 is rotated immediately, the knob 36 rotates to drive the gear 35, the gear 35 immediately pushes the positioning plate 34 to slide, the positioning plate 34 drives the sliding block 31, the chalk can be used by adjusting the length, the machine cover 2 is opened to immediately rotate the limiting rod 38 to separate from the fixed rod 37, the stop block 32 is lifted upwards, the blocking plate 33 immediately rotates to take down the chalk, when present teaching of most schools used the chalk, user's hand is usually operated by the chalk, easily produces a large amount of dust during the use, and the dust can waft on user's hand and on one's body, causes the user to consume the plenty of time and clears up, influences the quality of teaching, and above-mentioned problem has been avoided effectively to this device and very big improvement the ease for use of equipment.

As shown in fig. 1 and 5, a cleaning device 4 is disposed on one side of the cover 2 close to the slider 31, the cleaning device 4 includes a suction head 41, the suction head 41 is fixedly connected with the cover 2, one side of the suction head 41 is fixedly connected with a positioning spring 42, one side of the cover 2 close to the suction head 41 is slidably connected with a storage box 47, one side of the cover 2 close to the storage box 47 is rotatably connected with a stabilizing plate 48, one side of the stabilizing plate 48 far away from the cover 2 is fixedly connected with a bump, one side of the cover 2 close to the bump is slidably connected with a sliding sleeve 46, an inner wall of the sliding sleeve 46 is rotatably connected with a control plate 45, one side of the sliding sleeve 46 close to the control plate 45 is fixedly connected with a limiting spring 43, one side of the limiting spring 43 far away from the sliding sleeve 46 is fixedly connected with the control plate 45, the control plate 45 is rotatably connected with the bump, one side of the control plate 45 far away from the sliding sleeve 46 is fixedly connected with a pull rod 44, and the sliding sleeve 46 is slidably connected with the stabilizing plate 48.

The whole cleaning device 4 achieves the effect that, through the arrangement of the cleaning device 4, when in use, chalk dust is sucked into the suction head 41 by the suction head 41, enters the storage box 47 through the suction head 41, the pull rod 44 is pulled, the pull rod 44 drives the control plate 45 to rotate to separate from the stabilizing plate 48, the sliding sleeve 46 is slid in the direction far away from the stabilizing plate 48, the stabilizing plate 48 is rotated, the storage box 47 is slid in the direction far away from the suction head 41, the storage box 47 can be taken down to clean the dust, the storage box 47 is placed on a machine frame and then slides in the direction of the suction head 41, the positioning spring 42 is abutted against the storage box 47 after the suction head 41 is inserted into the storage box 47, the stabilizing plate 48 is rotated, the sliding sleeve 46 is immediately slid, the control plate 45 rotates when the pull rod 44 is pulled after the stabilizing plate 48 is close to the stabilizing plate 48, the control plate 45 is sleeved by continuously sliding the sliding sleeve 46, the pull rod 44 is loosened, the limiting spring 43 is immediately pulled to abut against the control plate 48, fixed storage box 47 uses the chalk to operate on the blackboard when the teaching of present most schools, produces a large amount of dusts during the use, and the dust is inhaled the health by the user through the air, leads to user's health to appear damaging, influences user's healthy, causes the use of equipment to have certain potential safety hazard, and above-mentioned problem has been avoided effectively to this device and the security of equipment has greatly been improved.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. A portable teaching device, includes casing (1) and fixing device (3), its characterized in that: the upper surface of the casing (1) is rotatably connected with the cover (2), the fixing device (3) is arranged on the inner wall of the casing (1), the fixing device (3) comprises a positioning plate (34), the positioning plate (34) is slidably connected with the inner wall of the casing (1), one side, close to the positioning plate (34), of the casing (1) is slidably connected with a sliding block (31), the sliding block (31) is arranged in a U shape, one side of the sliding block (31) is rotatably connected with a clamping plate (33), one side, close to the clamping plate (33), of the sliding block (31) is rotatably connected with a stop block (32), the stop block (32) abuts against the surface of the clamping plate (33), one side of the clamping plate (33) is fixedly connected with a fixing rod (37), the fixing rod (37) is arranged in an L shape, and one side, close to the fixing rod (37), of the sliding block (31) is rotatably connected with a limiting rod (38), the limiting rod (38) is rotatably connected with the fixing rod (37), and one side, away from the limiting rod (38), of the sliding block (31) is provided with driving teeth.

2. A portable teaching device according to claim 1, wherein: a groove is formed in one side, close to the driving teeth, of the machine shell (1), a gear (35) is rotatably connected to one side, close to the groove, of the machine shell (1), and the gear (35) is meshed with the sliding block (31).

3. A portable teaching device according to claim 2, wherein: one side of the gear (35) is fixedly connected with a knob (36), one side of the shell (1) close to the sliding block (31) is provided with a sliding hole, and the sliding block (31) is connected with the sliding hole in a sliding mode.

4. A portable teaching device according to claim 1, wherein: one side that cover (2) are close to slider (31) is provided with cleaning device (4), cleaning device (4) are including suction head (41), suction head (41) and cover (2) fixed connection, one side fixedly connected with positioning spring (42) of suction head (41), one side sliding connection that cover (2) are close to suction head (41) has storage box (47), one side rotation that cover (2) are close to storage box (47) is connected with steadying plate (48).

5. A portable teaching device according to claim 4, wherein: one side fixedly connected with lug of cover (2) is kept away from in stabilizer plate (48), one side sliding connection that cover (2) are close to the lug has sliding sleeve (46), the inner wall of sliding sleeve (46) rotates and is connected with control panel (45), one side fixedly connected with spacing spring (43) that sliding sleeve (46) are close to control panel (45), one side and control panel (45) fixed connection that sliding sleeve (46) were kept away from in spacing spring (43).

6. A portable educational device in accordance with claim 5, wherein: the control panel (45) is connected with the lug rotation, one side fixedly connected with pull rod (44) of sliding sleeve (46) are kept away from in control panel (45), sliding sleeve (46) and stabilizer plate (48) sliding connection.