CN210474059U - Student is with test-tube rack of adjustable illumination - Google Patents
Student is with test-tube rack of adjustable illumination Download PDFInfo
- Publication number
- CN210474059U CN210474059U CN201920874752.9U CN201920874752U CN210474059U CN 210474059 U CN210474059 U CN 210474059U CN 201920874752 U CN201920874752 U CN 201920874752U CN 210474059 U CN210474059 U CN 210474059U
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- base
- rotating shaft
- test
- support frame
- horizontal rotating
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Abstract
The utility model discloses a student is with test-tube rack of adjustable illumination, the on-line screen storage device comprises a base, the base upside is provided with the support frame, base downside surface is provided with the sucking disc, base right side surface is provided with the potentiometre switch, the inside horizontal rotating shaft that is provided with of base is first, a horizontal rotating shaft both ends fixed mounting has first umbellate form gear, a horizontal rotating shaft right-hand member runs through base lateral wall and carousel fixed connection, carousel fixed surface installs the rocker, the base both sides are provided with vertical pivot, support frame upper portion is provided with the locating rack, it has the locating hole to open on the locating rack, the support frame lower surface is provided with the constant head tank, the inside white light source that is provided with. The utility model discloses but the definition when adjustable light source luminance can strengthen the experiment and observe to can height-adjusting, so that the test tube height more is fit for observing, alleviate the long-time low head of user and observe the malaise that brings.
Description
Technical Field
The utility model relates to a teaching experiment equipment technical field specifically is a student is with test-tube rack of adjustable illumination.
Background
The test-tube rack is a common experimental apparatus used for holding test tubes to carry out chemical experiments or show experimental phenomena, and the in-process of the show experimental phenomena often can be disturbed by other scenes and external light around the test tube because the test tube is tiny, and the definition that leads to the experiment demonstration is relatively poor. The test-tube rack that current part can throw light on can increase the illumination for the test tube, definition when having improved the experiment, but its light source luminance can't be adjusted, therefore makes its application scope diminish. Meanwhile, the cervical vertebra pain test bed does not have a height adjusting function, so that the cervical vertebra pain test bed needs to be observed by lowering the head for a long time during an observation experiment, is relatively poor in use comfort and easily causes cervical vertebra pain of a user.
Therefore, we propose a student's test-tube rack with adjustable illumination.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a student is with test-tube rack of adjustable illumination for solve the above-mentioned problem that current test-tube rack luminance can not be adjusted and the test-tube rack height can not be adjusted.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a lighting-adjustable test tube rack for students comprises a base, wherein a support frame is arranged on the upper side of the base, a sucker is arranged on the surface of the lower side of the base, the base can be firmly sucked on a desktop and prevented from moving, a potentiometer switch is arranged on the surface of the right side of the base and can adjust the brightness of light, a first horizontal rotating shaft is arranged in the base, a first umbrella-shaped gear is fixedly arranged at two ends of the first horizontal rotating shaft, the right end of the first horizontal rotating shaft penetrates through the side wall of the base and is fixedly connected with a rotary disc, a rocker is fixedly arranged on the surface of the rotary disc, vertical rotating shafts are arranged on two sides of the base, the lower end of each vertical rotating shaft penetrates through a support plate and is fixedly connected with a second umbrella-shaped gear, the second umbrella-shaped gear is meshed with the first umbrella-shaped gear for transmission, a third umbrella, a gear and a fourth bevel gear are fixedly arranged in the middle of the second horizontal rotating shaft, and the fourth bevel gear and the third bevel gear are in meshing transmission; the utility model discloses a support frame, including support frame, locating hole, constant head tank, rack, gear and rack, support frame upper portion is provided with the locating rack, it has the locating hole to open on the locating rack, the support frame lower surface is provided with the constant head tank, the inside white light source that is provided with of constant head tank, support frame outside surface sets up the rack, rack and gear engagement transmission.
Preferably, the number of the suction cups is 3.
Preferably, the white light source is a white LED lamp bead.
Preferably, the locating hole surface is provided with rubber antiskid buffer material, can prevent effectively that the test tube from rocking and damaged in the experiment.
Preferably, the constant head tank surface is provided with rubber anti-skidding buffer material, open the constant head tank middle part has the light trap, can effectively prevent that the test tube is damaged because of the collision.
The beneficial effects of the utility model reside in that:
the utility model can be adsorbed on the experiment table top by arranging the sucking disc, thereby preventing the test tube rack from tilting and overturning due to mistaken collision; by arranging the white light source and the potentiometer switch, the brightness of the white light source can be controlled through the resistance value change of the potentiometer switch so as to adjust the light brightness during the experiment; through setting up horizontal rotating shaft one, horizontal rotating shaft two, vertical rotating shaft, first umbrella type gear, second umbrella type gear, third umbrella type gear, fourth umbrella type gear, gear and rack, can realize the function of adjustment test tube height when the experiment.
Drawings
Fig. 1 is a schematic front view of the cross-section of the present invention.
Fig. 2 is a schematic left-side sectional view of the present invention.
In the figure: the device comprises a base 1, a support frame 2, a positioning frame 3, positioning holes 4, positioning grooves 5, a white light source 6, a rack 7, a sucker 8, a first horizontal rotating shaft 9, a first umbrella gear 10, a support plate 11, a vertical rotating shaft 12, a second umbrella gear 13, a gear 14, a second horizontal rotating shaft 15, a fourth umbrella gear 16, a third umbrella gear 17, a potentiometer switch 18, a rocker 19 and a turntable 20.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Referring to fig. 1-2, a lighting adjustable test tube rack for students comprises a base 1, a support frame 2 is arranged on the upper side of the base 1, 3 suckers 8 are arranged on the lower side surface of the base 1, a potentiometer switch 18 is arranged on the right side surface of the base 1, a horizontal rotating shaft I9 is arranged in the base 1, first bevel gears 10 are fixedly arranged at the two ends of the horizontal rotating shaft I9, the right end of the horizontal rotating shaft I9 penetrates through the side wall of the base 1 and is fixedly connected with a rotating disc 20, a rocker 19 is fixedly arranged on the surface of the rotating disc 20, vertical rotating shafts 12 are arranged on the two sides of the base 1, the lower end of the vertical rotating shaft 12 penetrates through a support plate 11 and is fixedly connected with a second bevel gear 13, the second bevel gear 13 is in meshing transmission with the first bevel gear 10, a third bevel gear 17 is fixedly arranged at the upper end of the vertical rotating shaft 12, a horizontal rotating shaft II 15 is arranged at, the fourth bevel gear 16 and the third bevel gear 17 are in meshing transmission; 2 upper portions of support frame are provided with locating rack 3, it has locating hole 4 to open on locating rack 3, 4 surfaces of locating hole are provided with rubber anti-skidding buffer material, 2 lower surfaces of support frame are provided with constant head tank 5, 5 surfaces of constant head tank are provided with rubber anti-skidding buffer material and the middle part is provided with the light trap, 5 inside white light sources 6 that are provided with of constant head tank, white light sources 6 are white LED lamp pearl, 2 outside surfaces of support frame set up rack 7, rack 7 and the transmission of gear 14 meshing.
Use the utility model discloses the in-process of device puts into locating hole 4 and constant head tank 5 with the test tube, and the switch on then opens potentiometre switch 18, and white LED lamp pearl circular telegram is luminous this moment, according to the difference of experiment, can adjust potentiometre switch 18 to adjust the luminance of white LED lamp pearl in order to adapt to different experiments. If the height of the test tube needs to be adjusted, the rocker 19 is held by a hand to rotate the turntable 20, at the moment, the turntable 20 drives the first horizontal rotating shaft 9 to rotate, the first horizontal rotating shaft 9 drives the first bevel gear 10 to rotate, the first bevel gear 10 drives the second bevel gear 13 to rotate, the second bevel gear 13 drives the vertical rotating shaft 12 to rotate, the vertical rotating shaft 12 drives the third bevel gear 17 to rotate, the third bevel gear 17 drives the fourth bevel gear 16 to rotate, the fourth bevel gear 16 drives the second horizontal rotating shaft 15 to rotate, the second horizontal rotating shaft 15 drives the gear 14 to rotate, the gear 14 drives the rack 7 to rise upwards, and the rack 7 drives the support frame 2 to rise so as to drive the height of the test tube to rise; the rotating disc 20 is rotated in the opposite direction, and the rack 7 drives the support frame 2 to descend so as to drive the height of the test tube to be reduced.
Further, the above-mentioned fixed connection and fixed mounting are to be understood in a broad sense unless otherwise specifically stated or limited, and may be, for example, welding, gluing, or integrally formed, as is conventional in the art.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a student is with test-tube rack of adjustable illumination, includes base (1), its characterized in that: the device is characterized in that a support frame (2) is arranged on the upper side of the base (1), a sucker (8) is arranged on the lower side surface of the base (1), a potentiometer switch (18) is arranged on the right side surface of the base (1), a first horizontal rotating shaft (9) is arranged inside the base (1), first umbrella-shaped gears (10) are fixedly arranged at two ends of the first horizontal rotating shaft (9), the right end of the first horizontal rotating shaft (9) penetrates through the side wall of the base (1) and is fixedly connected with a rotating disc (20), a rocker (19) is fixedly arranged on the surface of the rotating disc (20), vertical rotating shafts (12) are arranged on two sides of the base (1), the lower ends of the vertical rotating shafts (12) penetrate through a support plate (11) and are fixedly connected with second umbrella-shaped gears (13), the second umbrella-shaped gears (13) are in meshing transmission with the first umbrella-shaped gears (10), and third umbrella-, a second horizontal rotating shaft (15) is arranged at the upper ends of two sides of the base (1), a gear (14) and a fourth bevel gear (16) are fixedly installed in the middle of the second horizontal rotating shaft (15), and the fourth bevel gear (16) and a third bevel gear (17) are in meshing transmission; support frame (2) upper portion is provided with locating rack (3), it has locating hole (4) to open on locating rack (3), support frame (2) lower surface is provided with constant head tank (5), constant head tank (5) inside is provided with white light source (6), support frame (2) outside surface sets up rack (7), rack (7) and gear (14) meshing transmission.
2. The student is with adjustable lighting's test-tube rack according to claim 1 characterized in that: the number of the suckers (8) is 3.
3. The student is with adjustable lighting's test-tube rack according to claim 1 characterized in that: the white light source (6) is a white LED lamp bead.
4. The student is with adjustable lighting's test-tube rack according to claim 1 characterized in that: and rubber anti-skid buffer materials are arranged on the surfaces of the positioning holes (4).
5. The student is with adjustable lighting's test-tube rack according to claim 1 characterized in that: the surface of the positioning groove (5) is provided with a rubber anti-skidding buffer material, and the middle part of the positioning groove (5) is provided with a light-transmitting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920874752.9U CN210474059U (en) | 2019-06-12 | 2019-06-12 | Student is with test-tube rack of adjustable illumination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920874752.9U CN210474059U (en) | 2019-06-12 | 2019-06-12 | Student is with test-tube rack of adjustable illumination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210474059U true CN210474059U (en) | 2020-05-08 |
Family
ID=70513431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920874752.9U Expired - Fee Related CN210474059U (en) | 2019-06-12 | 2019-06-12 | Student is with test-tube rack of adjustable illumination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210474059U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111632973A (en) * | 2020-06-16 | 2020-09-08 | 王洪元 | High-efficient tube cleaning device is used in biological laboratory |
| CN113368795A (en) * | 2021-07-01 | 2021-09-10 | 重庆新申世纪新材料科技有限公司 | Light adjusting mechanism of organic synthesis photoreaction experimental device |
-
2019
- 2019-06-12 CN CN201920874752.9U patent/CN210474059U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111632973A (en) * | 2020-06-16 | 2020-09-08 | 王洪元 | High-efficient tube cleaning device is used in biological laboratory |
| CN113368795A (en) * | 2021-07-01 | 2021-09-10 | 重庆新申世纪新材料科技有限公司 | Light adjusting mechanism of organic synthesis photoreaction experimental device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200508 Termination date: 20210612 |