CN109304341B - Wash diameter adjustable middle school chemistry experiment teaching and use tube cleaning device - Google Patents
Wash diameter adjustable middle school chemistry experiment teaching and use tube cleaning device Download PDFInfo
- Publication number
- CN109304341B CN109304341B CN201811451591.9A CN201811451591A CN109304341B CN 109304341 B CN109304341 B CN 109304341B CN 201811451591 A CN201811451591 A CN 201811451591A CN 109304341 B CN109304341 B CN 109304341B
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- test tube
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- rotating shaft
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- 238000004140 cleaning Methods 0.000 title claims abstract description 92
- 238000002474 experimental method Methods 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 100
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000010410 layer Substances 0.000 claims description 19
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 239000011229 interlayer Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0813—Cleaning containers having tubular shape, e.g. casks, barrels, drums by the force of jets or sprays
Abstract
The invention relates to a test tube cleaning device with an adjustable cleaning diameter for middle school chemistry experiment teaching, which comprises a box water tank, a test tube base and a square mounting plate; lifting structure for lifting or lowering test tube groove and mounting frame, and cleaning device. The cleaning device comprises a motor, a driving wheel, a driven wheel and a brush head device; the brush head device comprises a first rotating shaft, a first bearing and an elastic cleaning sleeve. The motor drives the first rotating shaft to rotate; the bottom of the first rotating shaft is sleeved with an elastic cleaning sleeve; the thickness of the elastic cleaning sleeve is changed by the up-and-down movement of the conical body in the elastic cleaning sleeve, so that the cleaning device is suitable for cleaning test tubes with different inner diameters. The test tube is placed by lifting the lifting mechanism. This wash diameter adjustable middle school chemistry experiment teaching and use tube cleaning device satisfies the washing of different diameter test tubes to wash no dead angle, convenient operation can generally use widely.
Description
Technical Field
The invention belongs to the technical field of test tube cleaning, and particularly relates to a test tube cleaning device with an adjustable cleaning diameter for middle school chemistry experiment teaching.
Background
At present, chemistry is a subject based on experiments, and formation and development of chemistry are not separated from the experiments. Through the study of junior middle school, students have basic knowledge of chemistry. But aiming at the chemical study of high school, some students are still overwhelmed. When students learn, students need to master the content of textbooks and also need to utilize chemical experiments to form chemical concepts and understand and consolidate chemical knowledge, so the chemical experiments are particularly important.
In the process of chemical experiments, test tubes are the most common experimental equipment, the use amount of the test tubes is large, the test tubes for experiments are cleaned manually during cleaning, brushes are adopted basically during cleaning, rotation or back and forth brushing is performed in the test tubes, the problem of cleaning dead angles is easy to occur, the cleaning is not very convenient, the phenomenon of breaking of the test tubes is easy to occur during cleaning, students or teachers are injured, the use amount is large, the cleaning time is long, in addition, the test tubes are large and small, the test tubes with different diameters need to be brushed by tools with different sizes, the investment of equipment is large, and more inconvenience is brought.
Application number 201721533209, the invention name is: an efficient test tube cleaning device for laboratory department discloses a device for simultaneously cleaning a plurality of test tubes. But does not solve the problem of being able to clean test tubes of different diameters with the same set of devices.
Disclosure of Invention
1. The technical problems to be solved are as follows:
aiming at the problems, the invention discloses a test tube cleaning device with an adjustable cleaning diameter for middle school chemistry experiment teaching. The device can be used for cleaning a plurality of test tubes at a time and simultaneously cleaning the test tubes with different diameters.
2. The technical scheme is as follows:
wash diameter adjustable middle school chemistry experiment teaching and use tube cleaning device, its characterized in that: comprises a box body; the inside of the box body is sequentially provided with a water tank, a test tube base and a square mounting plate from bottom to top; the test tube base is rectangular, and a groove for placing the test tube, namely a test tube groove, is formed in the test tube base; the mounting plate is used for mounting a cleaning device for cleaning the test tube; the left and right sides that test tube base and mounting bracket both ends, box set up elevation structure and are used for promoting or decline test tube groove and mounting bracket.
The cleaning device comprises a motor, a driving wheel, a driven wheel and a brush head device; the brush head device comprises a first rotating shaft, a first bearing and an elastic cleaning sleeve.
The motor is arranged at the upper part of the left end of the mounting plate, the motor outputs a connecting rod downwards, the middle position of the connecting rod is fixed with a driving wheel, the bottom of the connecting rod is sleeved with a second bearing, and the second bearing is fixedly embedded in the mounting plate; the driven wheel is meshed with the driving wheel in a horizontal square shape; the driven wheel is sleeved and welded on the upper part of the first rotating shaft; the first rotating shaft penetrates through a first bearing embedded in the mounting plate and extends downwards to the outside of the mounting plate; the bottom of the first rotating shaft extending to the outside of the mounting plate is sleeved with an elastic cleaning sleeve; an elastic belt is arranged at the opening of the elastic cleaning sleeve; the elastic belt fixes the elastic cleaning sleeve at the bottom of the first rotating shaft; the surface of the elastic cleaning sleeve is covered with bristles or/and a sponge body; the elastic cleaning sleeve comprises two groups of identical arc-shaped plates, and the arc-shaped plates are oppositely arranged; the outer surface of the arc-shaped plate is provided with an upper horizontal chute and a lower horizontal chute, namely a first horizontal chute and a second horizontal chute, and a first arc-shaped connecting rod is inserted into the first horizontal chute to connect the two arc-shaped plates; a second arc-shaped connecting rod is inserted into the second horizontal chute to connect the two arc-shaped plates; a vertical chute is arranged at the middle position of the bottom of each arc-shaped plate, and a vertical arc-shaped connecting rod is inserted into the vertical chute to connect the two arc-shaped plates; the middle positions of the two arc plates are oppositely provided with ejector rods; the outer ends of the ejector rods are fixed on the arc-shaped plate, and the inner ends of the two ejector rods can be connected into a straight line; a cone-shaped downward cone is arranged between the two ejector rods; the upper end of the conical body is fixedly provided with a welding screw rod, and the bottom of the conical body is inserted into the middle of the two ejector rods to adjust the distance between the two ejector rods; the screw rod passes through the hollow position of the first rotating shaft and extends upwards to the outer side of the top of the first rotating shaft; the screw rod is connected with the first rotating shaft through a thread structure; and a nut is welded at the top of the screw rod.
The water storage tank and the water pipe are also included; the water storage tank is connected with a water pipe; the water outlet of the water pipe is positioned at the upper end of the elastic cleaning sleeve.
Further, the surface of the ejector rod is sleeved with a spring, and a stop block with the diameter larger than that of the spring is arranged at the contact part of the ejector rod and the conical body.
Further, the lifting structure is an electric telescopic rod with a left layer and a right layer: a left telescopic rod and a right telescopic rod; the left telescopic rod and the right telescopic rod are respectively positioned at the left side and the right side in the box body; square fixed block connection is arranged between the electric telescopic rods of the first layer and the electric telescopic rods of the second layer of the electric telescopic rods of the two layers.
Further, two ends of the test tube groove are fixedly connected to the fixed block through a connecting shaft; the both ends fixed connection of mounting panel is on the top of second floor electric telescopic handle.
Further, an interlayer is arranged on the left side of the box body; a rotating motor is arranged in the interlayer; an output shaft of the rotating motor is connected with the connecting shaft, and the motor drives the test tube base connected with the connecting shaft to rotate when rotating; and a through groove is formed in the contact position of the output shaft of the rotating motor and the box body in the moving direction of the output shaft.
Further, the movable magnetic ring is arranged on the inner side surface of the test tube groove, and the displacement sensors are arranged in the two arc-shaped connecting rods.
Further, the test tube also comprises a standby rubber gasket matched with the test tube in size and model; the inner diameter of the standby rubber gasket is the same as the outer diameter of the corresponding test tube, and the outer diameter of the standby rubber gasket is the same as the inner diameter of the test tube groove; the inner side of the test tube groove is provided with anti-skid patterns.
Further, conical covers are arranged at the tops of the two oppositely placed arc-shaped bodies.
Further, the water storage tank is arranged at the top of the tank body, and the water pipe is horizontally fixed on the first rotating shaft of the brush head device and is positioned below the mounting plate; and a water outlet is arranged right above the elastic cleaning sleeve.
Further, the brush head device is provided with a plurality of sets; the brush head devices are arranged on the mounting plate in parallel and transmit rotation through a driven wheel positioned at the top of the first rotating shaft.
3. The beneficial effects are that:
(1) According to the method, a screw is arranged in each cleaning device, the screw is screwed according to the diameter of a test tube, and the screw moves up and down so as to drive a conical body arranged at the bottom of the cleaning device to move up and down; the up-and-down movement of the conical body can push the two ejector rods to move horizontally; the diameter of the arc-shaped plate is driven by the horizontal movement of the two ejector rods to change, so that the diameter of the cleaning sleeve is changed, the diameter size of the arc-shaped plate can be effectively adjusted according to the diameter of the test tube, and the cleaning of test tubes with different diameters can be effectively satisfied.
(2) The ejector rod in the method is provided with the spring device, and when the screw rod loosens, the spring drives the ejector rod to reset, so that the ejector rod can be reset.
(3) In the method, a displacement sensor is arranged in an elastic cleaning sleeve, and a movable magnetic ring is arranged in a test tube groove; when the first rotating shaft drives the displacement sensor to descend and the displacement sensor senses the movable magnetic ring at the bottom of the test tube during working, the second electric telescopic rod stops working and can prevent the bottom of the test tube from being damaged.
(4) The elastic cleaning sleeve in the method can be provided with half of the surface as bristles and the other half as a sponge. When the test tube is cleaned, the effect of no dead angle is achieved; through the setting of first arc pole and second arc pole, when the arc diameter grow, first arc pole and second arc pole will slide on the arc and grow, play the supporting role to the space between the arc.
(5) In the method, the spare rubber gaskets with different inner diameters are adopted for test tubes with different diameters, so that the test tubes can be effectively prevented from slipping during cleaning.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the brush head device of the present invention;
FIG. 3 is a schematic view of the connection structure of the arc plate in the elastic cleaning sleeve of the present invention;
FIG. 4 is a schematic view of the structure of a test tube groove inside the test tube base of the present invention;
fig. 5 is a schematic view of a water outlet of the water pipe of the present invention.
Reference numerals: a case 1; an arc-shaped plate 2; a first rotating shaft 3; a water tank 4; an electric telescopic rod 5 of the first layer; a fixed block 6; a connecting shaft 7; a rotating electric machine 8; a through groove 9; a second layer of electric telescopic rods 10; a mounting plate 11; a test tube base 12; an elastic cleaning sleeve 13; a first bearing 14; a driving wheel 15; a second bearing 16; a motor 17; a driven wheel 18; a water pipe 19; a water storage tank 20; a screw 21; a jack 22; a connecting rod 23; cone 24; an elastic band 25; a cone cover 26; bristles 27; a sponge 28; a spring 29; a stopper 30; a displacement sensor 31; a second arcuate link 32; a first arc-shaped link 33; a test tube well 34; a backup rubber gasket 35; a movable magnetic ring 36; a water outlet 38; a vertical arcuate link 40.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in figure 1, a test tube cleaning device for cleaning middle school chemistry experiment teaching with adjustable diameter comprises a box body 1; the inside of the box body is sequentially provided with a water tank 4, a test tube base 12 and a square mounting plate 11 from bottom to top; the test tube base is rectangular, and a groove for placing a test tube, namely a test tube groove 34 is formed; the mounting plate is used for mounting a cleaning device for cleaning the test tube; the left and right sides that test tube base and mounting bracket both ends, box set up elevation structure and are used for promoting or decline test tube groove and mounting bracket.
The cleaning device comprises a motor 17, a driving wheel 15, a driven wheel 18 and a brush head device; the brush head arrangement comprises a first shaft 3, a first bearing 14 and an elastic cleaning sleeve 13.
As shown in fig. 1, 2 and 3, the motor is arranged at the upper part of the left end of the mounting plate, the motor outputs a connecting rod 23 downwards, a driving wheel 15 is fixed in the middle of the connecting rod, the bottom of the connecting rod is sleeved with a second bearing 16, and the second bearing is fixedly embedded in the mounting plate; the driven wheel is meshed with the driving wheel in a horizontal square shape; the driven wheel is sleeved and welded on the upper part of the first rotating shaft 3; the first shaft passes through a first bearing 14 embedded in the mounting plate and extends downwardly to the exterior of the mounting plate; the bottom of the first rotating shaft extending to the outside of the mounting plate is sleeved with an elastic cleaning sleeve; an elastic belt 25 is arranged at the opening of the elastic cleaning sleeve; the elastic belt fixes the elastic cleaning sleeve at the bottom of the first rotating shaft; the elastic cleaning sleeve surface cover comprises bristles 27 and/or a sponge 28; the elastic cleaning sleeve comprises two groups of identical arc plates 2, and the arc plates are oppositely arranged; the outer surface of the arc-shaped plate is provided with an upper horizontal chute and a lower horizontal chute, namely a first horizontal chute and a second horizontal chute; a first arc-shaped connecting rod 33 is inserted into the first horizontal chute to connect the two arc-shaped plates; a second arc-shaped connecting rod 32 is inserted into the second horizontal chute to connect the two arc-shaped plates; a vertical chute is arranged at the middle position of the bottom of each arc-shaped plate, and a vertical arc-shaped connecting rod 40 is inserted into the vertical chute to connect the two arc-shaped plates; the middle positions of the two arc plates are oppositely provided with ejector rods 22; the outer ends of the ejector rods 22 are fixed on the arc-shaped plate, and the inner ends of the two ejector rods can be connected into a straight line; a cone 24 with a downward cone shape is arranged between the two ejector rods; the upper end of the conical body is fixedly provided with a welding screw rod 21, and the bottom of the conical body is inserted into the middle of the two ejector rods to adjust the distance between the two ejector rods; the screw rod passes the hollow position of first pivot and upwards extends to the top outside of first pivot, the top welding nut of screw rod.
Also comprises a water storage tank 20 and a water pipe 19; the water storage tank is connected with a water pipe; the water outlet of the water pipe is positioned at the upper end of the elastic cleaning sleeve.
Further, a spring 29 is sleeved on the surface of the ejector rod, and a stop block 30 with a diameter larger than that of the spring is arranged at the contact part of the ejector rod and the conical body.
Further, the lifting structure is an electric telescopic rod with a left layer and a right layer: a left telescopic rod A1 and a right telescopic rod A2; the left telescopic rod and the right telescopic rod are respectively positioned at the left side and the right side in the box body; the electric telescopic rods 5 of the first layer of the electric telescopic rods of the two layers are connected with the electric telescopic rods 10 of the second layer by square fixing blocks 6.
Further, two ends of the test tube groove are fixedly connected to the fixed block 6 through the connecting shaft 7; the both ends fixed connection of mounting panel is on the top of second floor electric telescopic handle.
Further, an interlayer is arranged on the left side of the box body; a rotating motor 8 is arranged in the interlayer; an output shaft of the rotating motor is connected with the connecting shaft, and the motor drives the test tube base connected with the connecting shaft to rotate when rotating; the contact position of the output shaft of the rotating motor and the box body is provided with a through groove 9 in the moving direction of the output shaft.
Further, a movable magnetic ring 36 is installed on the inner side surface of the test tube groove, and displacement sensors 31 are arranged in the two arc-shaped connecting rods.
Further, as shown in fig. 4, the test tube also comprises a spare rubber gasket 35 with a size matched with the test tube; the inner diameter of the standby rubber gasket is the same as the outer diameter of the corresponding test tube, and the outer diameter of the standby rubber gasket is the same as the inner diameter of the test tube groove; the inner side of the test tube groove is provided with anti-skid patterns.
Further, the tops of the two oppositely disposed arcuate bodies are provided with a conical cover 26.
Further, the water storage tank is arranged at the top of the tank body, and the water pipe is horizontally fixed on the first rotating shaft of the brush head device and is positioned below the mounting plate; a water outlet 38 is provided directly above the elastic cleaning sleeve. Two adjacent water outlets can be separated by a partition plate; as shown in fig. 5.
Further, the brush head device is provided with a plurality of sets; the brush head devices are arranged on the mounting plate in parallel and transmit rotation through a driven wheel positioned at the top of the first rotating shaft.
This wash diameter adjustable middle school chemistry experiment teaching and use tube cleaning device to wash step:
step one: controlling the electric telescopic rod to enable the electric telescopic rod to be lifted to enable the test tube to be inserted into the test tube groove, and opening the rotating motor; the rotating motor drives the connecting shaft to rotate, the connecting shaft rotates to drive the test tube base to rotate, and the test tube base stops rotating to a preset angle; sleeving a test tube into a standby rubber gasket according to the diameter of the test tube, and then inserting the test tube into a test tube groove; resetting the rotating motor to restore the test tube base to the original vertical state;
step two: the electric telescopic rod is lowered, the elastic cleaning sleeve is lowered along with the electric telescopic rod, and the elastic cleaning sleeve is in a minimum diameter state; when the first displacement sensor senses the movable magnetic ring, the second-layer electric telescopic rod stops descending, and the bottom of the test tube is prevented from being damaged. The cleaning state can be observed through a transparent observation port arranged on the surface of the test tube groove.
Step three: the screw rod of each cleaning device is rotated, the conical body pushes the ejector rod to drive the arc plate to be unfolded, the first arc rod and the second arc rod are in sliding connection on the arc plate to play a supporting role on the elastic cleaning sleeve, the spring drives the ejector rod to reset, and the ejector rod is reset until the surface of each elastic cleaning sleeve is in close contact with the inner surface of the test tube.
Step four: the motor work, the motor in the elasticity clean suit drive action wheel and follow the driving wheel and rotate, from the driving wheel drive first pivot rotation, the elasticity clean cover is half for the brush hair preferably, and half is the cavernosum, when wasing the test tube, can realize no washing dead angle.
Step five: after the cleaning is finished, the left electric telescopic rod drives the fixing plate to ascend, enough space is reserved for the rotation of the test tube base, the rotating motor drives the connecting shaft and the test tube base to rotate, and the cleaned test tube is taken out. And pouring the redundant water in the test tube into the water tank.
While the invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that the scope of the invention shall be limited only by the claims appended hereto.
Claims (6)
1. Wash diameter adjustable middle school chemistry experiment teaching and use tube cleaning device, its characterized in that: comprises a box body (1); a water tank (4), a test tube base (12) and a square mounting plate (11) are sequentially arranged in the box body (1) from bottom to top; the test tube base (12) is rectangular, and a groove for accommodating a test tube, namely a test tube groove (34), is formed in the test tube base; the mounting plate (11) is used for mounting a cleaning device for cleaning the test tube; lifting structures are arranged at two ends of the test tube base (12) and the mounting plate (11), namely at the left side and the right side of the box body (1), and are used for lifting or descending the test tube groove (34) and the mounting plate (11);
the cleaning device comprises a motor (17), a driving wheel (15), a driven wheel (18) and a brush head device; the brush head device comprises a first rotating shaft (3), a first bearing (14) and an elastic cleaning sleeve (13);
the motor (17) is arranged at the upper part of the left end of the mounting plate (11), the motor (17) downwards outputs a connecting rod (23), a driving wheel (15) is fixed at the middle position of the connecting rod (23), the bottom of the connecting rod (23) is sleeved with a second bearing (16), and the second bearing (16) is fixedly embedded in the mounting plate (11); the driven wheel (18) is meshed with the driving wheel (15) in a horizontal square shape; the driven wheel (18) is sleeved and welded at the upper part of the first rotating shaft (3); the first rotating shaft (3) passes through a first bearing (14) embedded in the mounting plate (11) and extends downwards to the outside of the mounting plate (11); an elastic cleaning sleeve (13) is sleeved at the bottom of the first rotating shaft (3) extending to the outside of the mounting plate (11); an elastic belt is arranged at the opening of the elastic cleaning sleeve (13); the elastic belt fixes the elastic cleaning sleeve (13) at the bottom of the first rotating shaft (3); the surface of the elastic cleaning sleeve (13) is covered with bristles (27) or/and a sponge body (28); the elastic cleaning sleeve (13) comprises two groups of identical arc-shaped plates (2), and the arc-shaped plates (2) are oppositely arranged; an upper horizontal chute and a lower horizontal chute, namely a first horizontal chute and a second horizontal chute, are arranged on the outer surface of the arc-shaped plate (2); a first arc-shaped connecting rod (33) is inserted into the first horizontal chute to connect the two arc-shaped plates (2); a second arc-shaped connecting rod (32) is inserted into the second horizontal chute to connect the two arc-shaped plates (2); a vertical chute is arranged at the middle position of the bottom of each arc-shaped plate (2), and a vertical arc-shaped connecting rod is inserted into the vertical chute to connect the two arc-shaped plates (2); the middle positions of the two arc plates (2) are oppositely provided with ejector rods (22); the outer ends of the ejector rods (22) are fixed on the arc-shaped plate (2), and the inner ends of the two ejector rods (22) can be connected into a straight line; a conical downward cone (24) is arranged between the two ejector rods (22); the upper end of the conical body (24) is fixedly provided with a welding screw rod (21), and the bottom of the conical body is inserted into the middle of the two ejector rods (22) to adjust the distance between the two ejector rods (22); the screw rod (21) passes through the hollow position of the first rotating shaft (3) and extends upwards to the outer side of the top of the first rotating shaft (3); the screw (21) is connected with the first rotating shaft (3) through a thread structure; a nut is welded at the top of the screw rod (21);
the water storage tank (20) and the water pipe (19) are also included; the water storage tank (20) is connected with a water pipe (19); a water outlet (38) of the water pipe (19) is positioned at the upper end of the elastic cleaning sleeve (13);
the surface of the ejector rod (22) is sleeved with a spring (29), and a stop block (30) with a diameter larger than that of the spring (29) is arranged at the contact part of the ejector rod (22) and the conical body (24);
the lifting structure is an electric telescopic rod with a left layer and a right layer: a left telescopic rod and a right telescopic rod; the left telescopic rod and the right telescopic rod are respectively positioned at the left side and the right side inside the box body (1); square fixed blocks (6) are arranged between the electric telescopic rods of the first layer and the electric telescopic rods of the second layer of the electric telescopic rods of the two layers for connection;
two ends of the test tube groove (34) are fixedly connected to the fixed block (6) through the connecting shaft (7); the two ends of the mounting plate (11) are fixedly connected to the top end of the second-layer electric telescopic rod;
the movable magnetic ring (36) is arranged on the inner side surface of the test tube groove (34), and the displacement sensor (31) is arranged in the two arc-shaped connecting rods.
2. The test tube cleaning device for middle school chemistry experiment teaching with adjustable cleaning diameter according to claim 1, wherein: an interlayer is arranged on the left side of the box body (1); a rotating motor (8) is arranged in the interlayer; an output shaft of the rotating motor (8) is connected with the connecting shaft (7); and a through groove (9) is formed in the contact position of the output shaft of the rotating motor (8) and the box body (1) in the moving direction of the output shaft.
3. The test tube cleaning device for middle school chemistry experiment teaching with adjustable cleaning diameter according to claim 1, wherein: a rubber gasket (35) is adhered to the inner side of the test tube groove (34) at the contact position with the test tube.
4. The test tube cleaning device for middle school chemistry experiment teaching with adjustable cleaning diameter according to claim 1, wherein: the tops of the two oppositely placed arc plates (2) are provided with conical covers (26).
5. The test tube cleaning device for middle school chemistry experiment teaching with adjustable cleaning diameter according to claim 1, wherein: the water storage tank (20) is arranged at the top of the tank body (1), and the water pipe (19) is horizontally fixed on the first rotating shaft (3) of the brush head device and is positioned below the mounting plate (11); a water outlet (38) is arranged right above the elastic cleaning sleeve (13).
6. A test tube cleaning device for middle school chemistry experiment teaching with adjustable cleaning diameter according to any one of claims 1 to 5, characterized in that: the brush head device is provided with a plurality of sets; the brush head devices are arranged on the mounting plate (11) in parallel, and rotation is transmitted through a driven wheel (18) positioned on the top of the first rotating shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811451591.9A CN109304341B (en) | 2018-11-30 | 2018-11-30 | Wash diameter adjustable middle school chemistry experiment teaching and use tube cleaning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811451591.9A CN109304341B (en) | 2018-11-30 | 2018-11-30 | Wash diameter adjustable middle school chemistry experiment teaching and use tube cleaning device |
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| CN109304341A CN109304341A (en) | 2019-02-05 |
| CN109304341B true CN109304341B (en) | 2023-12-26 |
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| CN110314903A (en) * | 2019-05-10 | 2019-10-11 | 天津市亨必达化学合成物有限公司 | A kind of flask cleaning device |
| CN110280541A (en) * | 2019-07-05 | 2019-09-27 | 楼昕 | A kind of kitchen waste water pipeline cleaning plant |
| CN112730763A (en) * | 2020-12-30 | 2021-04-30 | 潘登莲 | Food detection sample storage device with reagent adding function |
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| CN206046610U (en) * | 2016-07-08 | 2017-03-29 | 赵子淇 | A kind of chemical experiment teaching test tube cleaning device with secondary cleaning function |
| CN206168898U (en) * | 2016-07-08 | 2017-05-17 | 黄姜玺 | Washing diameter adjustable middle school tube cleaning device for chemical experiment teaching |
| CN107020282A (en) * | 2017-06-06 | 2017-08-08 | 合肥智慧龙图腾知识产权股份有限公司 | One kind pumps type college chemical experiment test tube cleaning device |
| CN206898005U (en) * | 2017-06-06 | 2018-01-19 | 王思远 | A kind of student is with chemical experiment test tube cleaning device |
| CN107138496A (en) * | 2017-06-26 | 2017-09-08 | 黄海 | A kind of university chemistry teaching test tube cleaning equipment based on counter-rotation principle |
| CN208131634U (en) * | 2018-02-02 | 2018-11-23 | 南昌工学院 | A kind of cleaning device of chemistry teaching apparatus |
| CN209502484U (en) * | 2018-11-30 | 2019-10-18 | 宝应县安宜高级中学 | A kind of adjustable middle school chemistry experiment teaching test tube cleaning device of cleaning diameter |
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| CN109304341A (en) | 2019-02-05 |
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