CN106585232A - Blackboard wiping device for accounting teaching - Google Patents

Abstract

The invention relates to a blackboard wiping device, in particular to a blackboard wiping device for accounting teaching. The technical problem to be solved by the present invention is to provide a blackboard wiping device for accounting teaching, which has good scrubbing effect, saves time and effort, and is not easy to generate dust. In order to solve the above technical problems, the present invention provides such a blackboard erasing device for accounting teaching, which includes a first slide rail, a base, a cylinder, an electric wheel, a second slide rail, a second slide block, a rack, a pull wire, a water tank , the third slider, the air outlet pipe, the second air intake pipe, etc.; the top of the base is provided with the first slide rail and the cylinder, the first slide rail is located on the left side of the cylinder, the first slide rail is provided with the first slide block, the first slide rail The right side of the block is provided with a fixed rod, and the middle part of the fixed rod is hingedly connected with a swing rod. The invention achieves the effects of good scrubbing effect, time-saving and labor-saving, and not easy to generate dust, and can facilitate people to scrub the blackboard without causing harm to the human body due to dust absorption.

Description

A blackboard wiping device for accounting teaching

technical field

The invention relates to a blackboard wiping device, in particular to a blackboard wiping device for accounting teaching.

Background technique

Accounting is a kind of economic management work that uses currency as the main unit of measurement and uses special methods to calculate and supervise the economic activities of a unit. Accounting takes currency as the main unit of measurement, takes vouchers as the main basis, and uses special technical methods to conduct comprehensive, comprehensive, continuous, and systematic accounting and supervision of the capital movement of a certain unit, and provide accounting information to relevant parties. Participate in business management, an economic management activity aimed at improving economic efficiency. The ancient meaning is a meeting. Since the Zhou Dynasty in my country, there have been special accounting officials who are in charge of financial work such as tax revenue and monetary expenditure, and conduct monthly accounting and annual meetings. That is to say, sporadic calculations every month are "ji", and total calculations for a year are "hui", and the combination of the two becomes "accounting".

The blackboard does not specifically refer to the black board surface. In the traditional sense, it is a plane that can be written repeatedly. The board surface is hard and is mostly used for teaching. Made of wood or frosted glass, etc., you can write on it with specific writing materials such as chalk. Mostly black, dark green, white or beige.

The existing blackboard wiping device for accounting teaching has the disadvantages of poor scrubbing effect, time-consuming and laborious, and easy to generate dust. Therefore, there is an urgent need to develop a blackboard wiping device for accounting teaching that has a good scrubbing effect, saves time and effort, and is not easy to generate dust.

Contents of the invention

(1) Technical problems to be solved

In order to overcome the disadvantages of poor scrubbing effect, time-consuming and labor-intensive, and easy to generate dust in the existing blackboard wiping device for accounting teaching, the technical problem to be solved by the present invention is to provide a device that has a good scrubbing effect, saves time and effort, and is not easy to generate dust. Erasing the blackboard device for teaching accounting.

(2) Technical solution

In order to solve the above technical problems, the present invention provides such a blackboard erasing device for accounting teaching, which includes a first slide rail, a base, a cylinder, an electric wheel, a second slide rail, a second slide block, a rack, a pull wire, a water tank , the third slider, the air outlet pipe, the second air inlet pipe, the air pump, the first air inlet pipe, the filter screen, the wiper block, the swing rod, the sliding sleeve, the first slider, the fixed rod, the connecting rod and the gear, and the top of the base is equipped with The first slide rail and the cylinder, the first slide rail is located on the left side of the cylinder, the first slide rail is provided with a first slider, the right side of the first slide block is provided with a fixed rod, the middle part of the fixed rod is hingedly connected with a swing rod, and the swing rod There is a sliding sleeve on the top, a wiper block is provided at the end of the swing rod, a gear is connected to the right side of the fixed rod, a connecting rod is provided on the gear, the connecting rod is connected with the sliding sleeve, the top of the cylinder is connected with a second slide rail, and the second slide rail Electric wheels are arranged on the left and right sides, and a backguy is wound on the electric wheel. A second slider and a third slider are arranged on the second slide rail. The second slider and the third slider are connected with the backguy. The second slider is located at On the left side of the third slider, the top of the second slider is connected with a rack, the rack is meshed with the gear, the top of the third slider is provided with a water tank, the top of the water tank is provided with an air pump and a second air intake pipe, and the second air intake pipe is connected to the air pump , the top of the air pump is connected with the first air intake pipe, the end of the first air intake pipe is provided with a filter screen, and the lower right side of the water tank is provided with an air outlet pipe.

Preferably, a collection tank is also included, and a collection tank is provided on the lower left side of the water tank.

Preferably, it also includes a push block and an electric push rod, an electric push rod is provided on the left side of the right wall in the collection tank, and a push block is connected to the left side of the electric push rod.

Preferably, the wiper is a plush wiper.

Preferably, the hole diameter of the filter mesh is 0.05cm.

Preferably, the material of the base is Q235 steel.

Preferably, the stay wire is a steel wire rope.

Working principle: When the blackboard needs to be wiped, start the electric wheel to continuously rotate clockwise and counterclockwise, the pull wire drives the slider to continuously move to the right and left, drives the rack and water tank to continuously move to the right and to the left, and drives the gear to continuously move clockwise and counterclockwise rotation, thereby driving the connecting rod to continuously rotate clockwise and counterclockwise, driving the swing rod to continuously swing to the right and left, and driving the wiper to continuously swing to the right and to the left, so that the wiper continuously scrubs the blackboard, so that The blackboard is cleaner, and at the same time start the air pump to make the chalk dust enter the first air intake pipe through the filter, then enter the water tank through the second air intake pipe, and then discharge through the air outlet pipe, so as to achieve the effect of absorbing and filtering chalk dust, and start the air cylinder to shorten slowly , drive the second slide rail to move down slowly, drive the device on the second slide rail to move down slowly, and drive the wiper to move down slowly, so that the wiper can scrub the entire blackboard in all directions, making the blackboard scrub more completely When the blackboard is completely wiped clean, the cylinder stops shortening, the electric wheel stops working, the air pump stops working, and then the cylinder is started to reset to drive the second slide rail to reset, thereby realizing the operation of wiping the blackboard.

Because it also includes a collection tank, there is a collection tank on the left side of the water tank. During the process of wiping the blackboard, the chalk dust that is not collected by the filter can be collected to avoid soiling the ground.

Because it also includes a push block and an electric push rod, there is an electric push rod on the left side of the right wall in the collection tank, and a push block is connected to the left side of the electric push rod. When chalk dust is collected in the collection tank, the electric push rod can be started continuously Elongation and shortening drive the push block to continuously move left and right, so that the push block can stir the chalk dust and move the chalk dust upwards, so that the filter screen can filter the chalk dust and prevent the dust from affecting the human body. When the chalk dust After filtering, the electric push rod stops working.

Because the wiping block is a plush wiping cloth, the blackboard can be wiped cleaner and the scrubbing effect is better.

Because the filter mesh hole diameter is 0.05cm, the chalk dust can be better filtered.

Because the base is made of Q235 steel, it has better bearing capacity and can prolong the service life.

Because the stay wire is a steel wire rope, the steel wire rope is more stable, which can prevent fracture from affecting the use of the device.

(3) Beneficial effects

The invention achieves the effects of good scrubbing effect, time-saving and labor-saving, and not easy to generate dust, and can facilitate people to scrub the blackboard without causing harm to the human body due to dust absorption.

Description of drawings

Fig. 1 is a schematic diagram of the first front view structure of the present invention.

Fig. 2 is a schematic structural diagram of the second front view of the present invention.

Fig. 3 is a schematic structural diagram of a third front view of the present invention.

The marks in the accompanying drawings are: 1-first slide rail, 2-base, 3-cylinder, 4-electric wheel, 5-second slide rail, 6-second slider, 7-rack, 8-guy wire, 9-water tank, 10-the third slider, 11-outlet pipe, 12-the second air intake pipe, 13-air pump, 14-the first air intake pipe, 15-filter, 16-wiping block, 17-swing rod, 18 -sliding sleeve, 19-the first slide block, 20-fixed rod, 21-connecting rod, 22-gear, 23-collecting groove, 24-push block, 25-electric push rod.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Example 1

A blackboard wiping device for accounting teaching, as shown in Figure 1-3, includes a first slide rail 1, a base 2, a cylinder 3, an electric wheel 4, a second slide rail 5, a second slide block 6, and a rack 7 , pull wire 8, water tank 9, third slider 10, air outlet pipe 11, second air intake pipe 12, air pump 13, first air intake pipe 14, filter screen 15, wiping block 16, swing lever 17, sliding sleeve 18, first Slider 19, fixed rod 20, connecting rod 21 and gear 22, base 2 top is provided with first slide rail 1 and cylinder 3, and first slide rail 1 is positioned at the left side of cylinder 3, and first slide rail 1 is provided with first Slider 19, first slide block 19 right side is provided with fixed bar 20, and fixed bar 20 middle parts are hingedly connected with swing bar 17, is provided with sliding sleeve 18 on the swing bar 17, and swing bar 17 end is provided with rub block 16, fixes The right side of the rod 20 is connected with a gear 22, the gear 22 is provided with a connecting rod 21, the connecting rod 21 is connected with the sliding sleeve 18, the top of the cylinder 3 is connected with a second slide rail 5, and the left and right sides of the second slide rail 5 are provided with electric wheels. 4. A pull wire 8 is wound around the electric wheel 4, a second slider 6 and a third slider 10 are provided on the second slide rail 5, the second slider 6 and the third slider 10 are connected with the pull wire 8, and the second slide Block 6 is positioned at the left side of the third slide block 10, and the top of the second slide block 6 is connected with a rack 7, the rack 7 meshes with the gear 22, the top of the third slide block 10 is provided with a water tank 9, and the top of the water tank 9 is provided with an air pump 13 and The second air intake pipe 12, the second air intake pipe 12 is connected with the air pump 13, the air pump 13 top is connected with the first air intake pipe 14, the end of the first air intake pipe 14 is provided with a filter screen 15, and the lower right side of the water tank 9 is provided with an air outlet pipe 11.

Also include collection tank 23, water tank 9 left side bottom is provided with collection tank 23.

Also comprise push block 24 and electric push rod 25, the left side of the right wall in collecting tank 23 is provided with electric push rod 25, and electric push rod 25 left side is connected with push block 24.

Wiping block 16 is a plush wiping cloth.

Filter screen 15 hole diameters are 0.05cm.

Base 2 is made of Q235 steel.

Backguy 8 is a steel wire rope.

Working principle: When the blackboard needs to be wiped, start the electric wheel 4 to continuously rotate clockwise and counterclockwise, the pull wire 8 drives the slider to continuously move to the right and left, drives the rack 7 and the water tank 9 to continuously move to the right and left, and drives the The gear 22 is continuously rotated clockwise and counterclockwise, thereby driving the connecting rod 21 to continuously rotate clockwise and counterclockwise, driving the swing rod 17 to continuously swing to the right and to the left, and driving the wiper block 16 to continuously swing to the right and to the left, thereby making the wiper Block 16 constantly scrubs the blackboard to make the blackboard cleaner. At the same time, start the air pump 13 to work, so that chalk dust enters the first air intake pipe 14 through the filter screen 15, enters the water tank 9 through the second air intake pipe 12, and is discharged through the air outlet pipe 11. , so as to achieve the effect of absorbing and filtering chalk dust, start the cylinder 3 to shorten slowly, drive the second slide rail 5 to slowly move downward, drive the device on the second slide rail 5 to slowly move downward, and drive the wiper block 16 to slowly move downward , so that the wiping block 16 can scrub the entire blackboard in all directions, so that the blackboard can be scrubbed more completely. After the blackboard is completely wiped clean, the cylinder 3 stops shortening, the electric wheel 4 stops working, the air pump 13 stops working, and then starts the cylinder 3 to reset and drive The second slide rail 5 resets, thereby realizing the operation of wiping the blackboard.

Because also include collecting tank 23, water tank 9 left side bottoms are provided with collecting tank 23, in the process of wiping the blackboard, can collect the chalk dust that is not collected by filter screen 15, avoid making dirty ground.

Because push block 24 and electric push rod 25 are also included, electric push rod 25 is arranged on the left side of the right wall in collection tank 23, and push block 24 is connected on the left side of electric push rod 25, when chalk dust is collected in collection tank 23 , the electric push rod 25 can be started to continuously extend and shorten, and the push block 24 is continuously moved to the left and right, so that the push block 24 can stir the chalk dust, and the chalk dust can be moved upward, so that the filter screen 15 can carry out the chalk dust Filtration, avoiding dust to affect people's health, after chalk dust is filtered, electric push rod 25 stops working.

Because the wiping block 16 is a plush wiping cloth, the blackboard can be wiped cleaner, and the scrubbing effect is better.

Because filter screen 15 hole diameters are 0.05cm, chalk dust can be filtered better.

Because the base 2 is made of Q235 steel, it has better bearing capacity and can prolong the service life.

Because the backguy wire 8 is a steel wire rope, the steel wire rope is more stable, which can avoid fractures affecting the use of the device.

The above-mentioned embodiments only express the preferred implementation of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be noted that those skilled in the art can make several modifications, improvements and substitutions without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (7)

1. A blackboard wiping device for accounting teaching, characterized in that it includes a first slide rail (1), a base (2), a cylinder (3), an electric wheel (4), a second slide rail (5), a first The second slider (6), the rack (7), the pull wire (8), the water tank (9), the third slider (10), the outlet pipe (11), the second air inlet pipe (12), the air pump (13), The first air intake pipe (14), the filter screen (15), the wiper (16), the swing rod (17), the sliding sleeve (18), the first slider (19), the fixed rod (20), the connecting rod (21 ) and gear (22), the top of the base (2) is provided with the first slide rail (1) and the cylinder (3), the first slide rail (1) is located on the left side of the cylinder (3), on the first slide rail (1) The first slider (19) is provided, and the right side of the first slider (19) is provided with a fixed rod (20). The sliding sleeve (18), the end of the swing lever (17) is provided with a wiper block (16), the right side of the fixed lever (20) is connected with a gear (22), the gear (22) is provided with a connecting rod (21), and the connecting rod (21) is connected with the sliding sleeve (18), the top of the cylinder (3) is connected with the second slide rail (5), the left and right sides of the second slide rail (5) are provided with electric wheels (4), and the electric wheels (4) are A backguy (8) is wound around, a second slider (6) and a third slider (10) are arranged on the second slide rail (5), and the second slider (6) and the third slider (10) are connected with the backguy (8) connection, the second slider (6) is located on the left of the third slider (10), the top of the second slider (6) is connected with a rack (7), and the rack (7) meshes with the gear (22) , the top of the third slider (10) is provided with a water tank (9), the top of the water tank (9) is provided with an air pump (13) and a second air intake pipe (12), and the second air intake pipe (12) is connected to the air pump (13), The top of the air pump (13) is connected with a first air intake pipe (14), the end of the first air intake pipe (14) is provided with a filter screen (15), and the lower right side of the water tank (9) is provided with an air outlet pipe (11). 2. The blackboard wiping device for accounting teaching according to claim 1, characterized in that it also includes a collection tank (23), and a collection tank (23) is provided on the lower left side of the water tank (9). 3. A blackboard wiping device for accounting teaching according to claim 2, characterized in that it also includes a push block (24) and an electric push rod (25), and the left side of the right wall of the collection tank (23) is provided with Electric push rod (25), electric push rod (25) left side is connected with push block (24). 4. The blackboard wiping device for accounting teaching according to claim 1, characterized in that the wiping block (16) is a plush wiping cloth. 5. The blackboard wiping device for accounting teaching according to claim 1, characterized in that the hole diameter of the filter screen (15) is 0.05cm. 6. The blackboard wiping device for accounting teaching according to claim 1, characterized in that the base (2) is made of Q235 steel. 7. The blackboard wiping device for accounting teaching according to claim 1, characterized in that the pull wire (8) is a steel wire rope.