CN211843877U

CN211843877U - Dust-absorbing blackboard eraser convenient to hang

Info

Publication number: CN211843877U
Application number: CN202020292959.8U
Authority: CN
Inventors: 罗骄珂
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-11-03
Anticipated expiration: 2030-03-11

Abstract

The utility model provides a dust-absorbing blackboard eraser convenient to hang, which comprises a blackboard eraser body; be provided with the fan on the blackboard eraser body, fixedly connected with electric motor on the fan, be provided with the suction bag on the blackboard eraser body, the air exit has been seted up on the suction bag, be provided with the switch on the blackboard eraser body to fixedly connected with battery on the blackboard eraser body still includes, trigger device includes the fixed plate, two set shells of fixedly connected with on the fixed plate, the utility model provides a dust absorption blackboard eraser convenient to hang has electric motor's output rotation can drive the fan rotatory, and the fan rotation can be with the dust that the blackboard eraser body was cleaned off extract to inhale the suction bag with the dust, this blackboard eraser body simple structure, easy operation utilizes the rotation of fan to absorb the dust that the blackboard eraser body was cleaned off, thereby the dust flies upward when avoiding cleaning and causes the problem that the pollution is many to the air.

Description

Dust-absorbing blackboard eraser convenient to hang

Technical Field

The utility model relates to a dust absorption technical field of blackboard eraser especially relates to a dust absorption blackboard eraser convenient to hang.

Background

The blackboard is generally made of wood plates or ground glass and can be written on by using specific writing materials such as chalks and the like, the blackboard is mostly black, dark green, white or beige, the blackboard is not particularly a black board, the blackboard is a plane which can be repeatedly written by using chalks in the traditional sense, the board is hard and is mostly used for teaching, the board surface of a green board is dark green, and the blackboard is written by using chalks, does not stimulate eyes of people and is beneficial to the protection of eyesight; the surface of the white board is white, and various water-based color pens are used for writing.

The existing blackboard eraser does not have the function of dust collection, dust of the chalk words can fly when the blackboard eraser is erased, and the dust can cause unexpected damage to respiratory tracts of people if the dust is inhaled by people for a long time.

Therefore, there is a need to provide a dust-absorbing blackboard eraser which is convenient to hang and solves the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dust absorption blackboard eraser convenient to hang has solved the problem that current blackboard eraser does not have the function of dust absorption.

In order to solve the technical problem, the utility model provides a dust absorption blackboard eraser convenient to hang, include: a blackboard eraser body; the blackboard eraser comprises an eraser body and is characterized in that a fan is arranged on the eraser body, an electric motor is fixedly connected to the fan, a dust collection bag is arranged on the eraser body, an air outlet is formed in the dust collection bag, a switch is arranged on the eraser body, and a battery is fixedly connected to the eraser body.

Preferably, the trigger device comprises a fixed plate, two fixed shells are fixedly connected to the fixed plate, supporting rods are slidably connected to the insides of the two fixed shells, supporting blocks are fixedly connected to the bottom ends of the two supporting rods, first springs are fixedly connected to the bottoms of the two supporting blocks, a supporting plate is fixedly connected to the top of each supporting rod, a trigger block is fixedly connected to the supporting plate, and a trigger switch is fixedly connected to the fixed shell; the pushing device is fixed on the supporting plate; the blackboard eraser comprises an eraser body, and is characterized in that the eraser body is fixedly provided with a hanging device, the hanging device comprises a hanging rod, one end of the hanging rod is fixedly connected with a clamping and connecting rod, the eraser body is fixedly connected with a rotating part, the rotating part is fixedly connected with a limiting rod, the limiting rod is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with a second spring.

Preferably, the pushing device comprises a sliding rod, an electric telescopic rod is fixedly connected to the fixed shell, a connecting rod is fixedly connected to one end of the electric telescopic rod, a pushing plate is fixedly connected to one end of the connecting rod, an L-shaped rod is fixedly connected to the fixed plate, and a fixing rod is fixedly connected to the L-shaped rod.

Preferably, the fixed shells are symmetrically distributed on two sides of the sliding rod, and two ends of the sliding rod are respectively and fixedly connected with the supporting block and the supporting rod.

Preferably, the pushing plate is located on the sliding rod, and the pushing plate is connected with the surface of the sliding rod in a sliding mode.

Preferably, the number of the trigger devices is two, and the two trigger devices are symmetrically distributed on two sides of the fixing rod.

Preferably, the supporting block is located inside the fixed shell, and the supporting block is slidably connected with an inner surface of the fixed shell.

The blackboard eraser body is provided with a hairbrush, and the fixed plate is arranged at the bottom of the blackboard and is fixedly connected with the wall.

Compared with the prior art, the utility model provides a dust absorption blackboard eraser convenient to hang has following beneficial effect:

the utility model provides a dust absorption blackboard eraser convenient to hang, electric motor's output rotation can drive the fan rotation, and the fan rotation can be cleaned the dust that gets off with the blackboard eraser body and extract to inhale the dust bag, this blackboard eraser body simple structure, easy operation utilizes the rotation of fan to absorb the dust that gets off with the blackboard eraser body cleaning, thereby the dust flies upward when avoiding cleaning the blackboard and causes the problem that the pollution is many to the air.

Drawings

FIG. 1 is a schematic structural view of a first embodiment of a dust-absorbing eraser convenient to hang according to the present invention;

FIG. 2 is a rear elevational view of the eraser body shown in FIG. 1;

FIG. 3 is a schematic structural view of a second embodiment of the dust-absorbing eraser convenient to hang according to the present invention;

FIG. 4 is a side view of the eraser body shown in FIG. 3;

FIG. 5 is an enlarged view of portion A of FIG. 3;

fig. 6 is an enlarged view of the portion B shown in fig. 3.

Reference numbers in the figures: 1. the blackboard eraser comprises a blackboard eraser body, 2, a fan, 3, an electric motor, 4, a dust collection bag, 5, an air outlet, 6, a switch, 7, a battery, 8, a trigger device, 81, a fixing plate, 82, a fixing shell, 83, a supporting rod, 84, a supporting block, 85, a first spring, 86, a supporting plate, 87, a trigger block, 88, a trigger switch, 9, a pushing device, 91, a sliding rod, 92, an electric telescopic rod, 93, a connecting rod, 94, a pushing plate, 95, an L-shaped rod, 96, a fixing rod, 10, a hanging device, 101, a hanging rod, 102, a clamping rod, 103, a rotating piece, 104, a limiting rod, 105, a connecting plate, 106 and a second spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 and fig. 2, wherein fig. 1 is a schematic structural diagram of a first embodiment of a dust-absorbing eraser convenient to hang according to the present invention; figure 2 is a rear view of the eraser body shown in figure 1. A dust-absorbing blackboard eraser convenient to hang comprises: an eraser body 1; the blackboard eraser comprises an eraser body 1 and is characterized in that a fan 2 is arranged on the eraser body 1, an electric motor 3 is fixedly connected to the fan 2, a dust collection bag 4 is arranged on the eraser body 1, an air outlet 5 is formed in the dust collection bag 4, a switch 6 is arranged on the eraser body 1, and a battery 7 is fixedly connected to the eraser body 1.

The exhaust port 5 exhausts the air sucked into the dust bag 4 by the fan 2, and the eraser body 1 has a large wiping area, so that the battery 7 can be replaced once a week.

The utility model provides a dust absorption blackboard eraser convenient to hang's theory of operation as follows:

when the chalk characters on the blackboard are required to be cleaned, one end of the blackboard eraser body 1 is placed on the surface of the blackboard, the blackboard eraser body 1 moves up and down, a power supply is provided for the electric motor 3 through the battery 7, a switch is arranged between the battery 7 and the electric motor 3, one end of the electric motor 3 is controlled to rotate through the switch, the fan 2 is driven to rotate through the rotation of the output end of the electric motor, the dust cleaned by the blackboard eraser body 1 can be extracted through the rotation of the fan 2, and the dust is sucked into the dust suction bag 4.

the output rotation of electric motor can drive fan 2 rotatory, and the rotatory dust that can clean blackboard eraser body 1 down of fan 2 extracts to inhale dust bag 4 with the dust, this blackboard eraser body 1 simple structure, easy operation utilizes the rotation of fan 2 to absorb the dust that blackboard eraser body 1 cleaned down, thereby the dust flies upward when avoiding cleaning the blackboard and causes the problem that the pollution is many to the air.

Second embodiment

Referring to fig. 3, 4, 5 and 6, a second embodiment of the present application provides another dust-absorbing eraser which is convenient to hang based on the dust-absorbing eraser which is provided by the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

Specifically, the dust collection eraser convenient to hang provided by the second embodiment of the present application is different in that the dust collection eraser convenient to hang further comprises a trigger device 8, the trigger device 8 comprises a fixing plate 81, the fixing plate 81 is fixedly connected with two fixing shells 82, the insides of the two fixing shells 82 are both slidably connected with a supporting rod 83, the bottom ends of the two supporting rods 83 are both fixedly connected with supporting blocks 84, the bottoms of the two supporting blocks 84 are both fixedly connected with first springs 85, the top of the supporting rod 83 is fixedly connected with a supporting plate 86, the supporting plate 86 is fixedly connected with a trigger block 87, and the fixing shell 82 is fixedly connected with a trigger switch 88; the pushing device 9, the said pushing device 9 is fixed on said back plate 76; the blackboard eraser comprises a hanging device 10, wherein the hanging device 10 is fixed on the blackboard eraser body 1, the hanging device 10 comprises a hanging rod 101, one end of the hanging rod 101 is fixedly connected with a clamping rod 102, a rotating part 103 is fixedly connected on the blackboard eraser body 1, a limiting rod 104 is fixedly connected on the rotating part 103, a connecting plate 105 is fixedly connected on the limiting rod 104, and a second spring 106 is fixedly connected on the connecting plate 105.

The spacing rod 104 is pushed by the second spring 106, so that the distance between the spacing rod 104 and the clamping rod 102 is reduced, and the sliding rod 91 cannot be clamped off the suspension rod 101.

The pushing device 9 comprises a sliding rod 91, an electric telescopic rod 92 is fixedly connected to the fixed shell 72, a connecting rod 93 is fixedly connected to one end of the electric telescopic rod 92, a pushing plate 94 is fixedly connected to one end of the connecting rod 93, an L-shaped rod 95 is fixedly connected to the fixed plate 71, and a fixing rod 96 is fixedly connected to the L-shaped rod 95.

The pushing device 9 pushes the suspended eraser body 1 onto the fixing rod 96, so that the eraser body 1 always stays in the middle of the blackboard.

The fixed shells 82 are symmetrically distributed on two sides of the sliding rod 91, and two ends of the sliding rod 91 are respectively and fixedly connected with the supporting block 84 and the supporting rod 83.

When the sliding rod 91 is hung on the board to wipe the body 1, the supporting block 84 and the supporting rod 83 are moved downward by gravity.

The push plate 94 is located on the slide lever 91, and the push plate 94 is slidably connected to a surface of the slide lever 91.

The pushing plate 94 moves left and right on the sliding bar 91 to move the eraser body 1 hung on the sliding bar 91 left and right.

The number of the trigger devices 8 is two, and the two trigger devices 8 are symmetrically distributed on two sides of the fixing rod 96.

The two trigger devices 8 can push the eraser body 1 hung on both sides of the blackboard.

The supporting block 84 is located inside the fixed case 82, and the supporting block 84 is slidably coupled with the inner surface of the fixed case 82.

The working principle is as follows:

s1, when the blackboard eraser body 1 needs to be hung, the hanging rod 101 is prevented from being arranged at the top of the sliding rod 91, then the blackboard eraser body 1 is pulled downwards, the hanging rod 101 on the blackboard eraser body 1 is clamped with the sliding rod 91, then the second spring 106 pushes the connecting plate 105 rightwards, the connecting plate 105 rightwards moves to drive the limiting rod 104 to rightwards move, so that the distance between the limiting rod 104 and the clamping rod 102 is shortened, and the sliding rod 91 cannot be clamped with the hanging rod 101.

S2, when the eraser body 1 is placed on the sliding rod 91, the first spring 85 will contract under the gravity of the eraser body 1, so that the trigger block 87 contacts the trigger switch 88, and the trigger switch 88 controls the electric telescopic rod 92 to push the eraser body 1 onto the fixing rod 96, so that the eraser body 1 is always in the middle of the blackboard, and when the eraser body 1 needs to be taken down, the eraser body 1 is pushed, so that the distance between the limiting rod 104 and the clamping rod 102 is increased, so that the sliding rod 91 can be disengaged from the clamping of the suspension rod 101, and the removal of the eraser body 1 is completed.

Has the advantages that:

the connecting plate 105 moving to the right will drive the limiting rod 104 to move to the right, so that the distance between the limiting rod 104 and the clamping rod 102 is shortened, so that the sliding rod 91 cannot be disengaged from the catch of the hanging rod 101, the trigger block 87 is in contact with the trigger switch 88, so that the trigger switch 88 controls the electric telescopic rod 92 to push the blackboard eraser body 1 to the fixed rod 96, thereby leading the eraser body 1 to be always positioned in the middle of the blackboard, further increasing the distance between the limiting rod 104 and the clamping rod 102, so that the sliding rod 91 can be separated from the clamping connection of the hanging rod 101, thereby completing the taking off of the board wiper body 1, the device has simple structure, can push the board wiper body 1, thereby the blackboard eraser body 1 is always positioned in the middle of the blackboard, thereby being convenient for taking the blackboard eraser body 1, and also fixes the suspended eraser body 1, thereby preventing the eraser body 1 from falling off when touched by mistake.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A dust-absorbing blackboard eraser convenient to hang, which is characterized by comprising:

a blackboard eraser body; the blackboard eraser comprises an eraser body and is characterized in that a fan is arranged on the eraser body, an electric motor is fixedly connected to the fan, a dust collection bag is arranged on the eraser body, an air outlet is formed in the dust collection bag, a switch is arranged on the eraser body, and a battery is fixedly connected to the eraser body.

2. The dust-absorbing blackboard eraser convenient to hang as claimed in claim 1, further comprising a trigger device, wherein the trigger device comprises a fixed plate, two fixed shells are fixedly connected to the fixed plate, a support rod is slidably connected to the insides of the two fixed shells, a support block is fixedly connected to the bottom ends of the two support rods, a first spring is fixedly connected to the bottoms of the two support blocks, a support plate is fixedly connected to the top of the support rod, a trigger block is fixedly connected to the support plate, and a trigger switch is fixedly connected to the fixed shell;

the pushing device is fixed on the supporting plate;

the blackboard eraser comprises an eraser body, and is characterized in that the eraser body is fixedly provided with a hanging device, the hanging device comprises a hanging rod, one end of the hanging rod is fixedly connected with a clamping and connecting rod, the eraser body is fixedly connected with a rotating part, the rotating part is fixedly connected with a limiting rod, the limiting rod is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with a second spring.

3. The easy-to-hang dust-absorbing blackboard eraser as claimed in claim 2, wherein the pushing device comprises a sliding rod, an electric telescopic rod is fixedly connected to the fixed shell, a connecting rod is fixedly connected to one end of the electric telescopic rod, a pushing plate is fixedly connected to one end of the connecting rod, an L-shaped rod is fixedly connected to the fixed plate, and a fixed rod is fixedly connected to the L-shaped rod.

4. The easy-to-hang dust-absorbing blackboard eraser as claimed in claim 3, wherein the fixing shells are symmetrically distributed on both sides of the sliding rod, and both ends of the sliding rod are respectively fixedly connected with the supporting block and the supporting rod.

5. The easy-to-hang dust-collecting blackboard eraser of claim 3, wherein the push plate is located on the sliding rod and is slidably connected with the surface of the sliding rod.

6. The easy-to-hang dust-absorbing blackboard eraser as claimed in claim 3, wherein there are two triggering devices, and the two triggering devices are symmetrically distributed on two sides of the fixing rod.

7. The dust-absorbing eraser convenient to hang as claimed in claim 2, wherein the supporting block is located inside the fixed shell, and the supporting block is slidably connected with the inner surface of the fixed shell.