CN209934782U

CN209934782U - Laboratory workstation convenient to teaching

Info

Publication number: CN209934782U
Application number: CN201920111239.4U
Authority: CN
Inventors: 周雄柏
Original assignee: Guangzhou Tianxin Industry Co Ltd
Current assignee: Guangzhou Tianxin Industry Co Ltd
Priority date: 2019-01-22
Filing date: 2019-01-22
Publication date: 2020-01-14
Anticipated expiration: 2029-01-22

Abstract

The utility model relates to an indoor air pollution prevention and cure technique in public place, concretely relates to laboratory bench convenient to teaching, including the base post, support column A, support column B, bearing A, annular workbench, bearing B, slide bar and rectangular type work board, the fixed support column A that sets up in top central point of base post puts, and the recess is dodged in support column B's bottom setting, dodges recess internal fixation and sets up and support column A matched with bearing A, and support column A's top is visited into and is dodged in the recess and is connected through bearing A and support column B rotation, and annular workbench and bearing B are located respectively between support column B and the base post. The utility model discloses: 1. the use effect of teaching experiment is convenient to achieve. 2. Can be convenient for different students at a plurality of positions to observe and study. 3. When the students do corresponding experimental objects according to the teaching of the teacher, the teacher can conveniently look up and comment the works of each student.

Description

Laboratory workstation convenient to teaching

The technical field is as follows:

the utility model relates to a public place indoor air pollution prevention and cure technique, concretely relates to laboratory workstation convenient to teaching.

Background art:

in the prior art, the laboratory workbench has the following problems when being used for teaching: 1. the use effect of being convenient for teaching experiments can not be achieved. 2. It is not convenient for different students at multiple positions to learn by sight and mole. 3. When the students do corresponding experimental objects according to the teaching of the teacher, the teacher can not conveniently look up and comment the experimental works of each student. In order to solve the technical problems, a new technical scheme is especially provided.

The utility model has the following contents:

the utility model aims at overcoming the shortcomings of the prior art and providing a laboratory workbench convenient for teaching.

The utility model adopts the technical proposal that:

a laboratory workbench convenient for teaching, which comprises a base column, a support column A, a support column B and a bearing A, the annular workbench, bearing B, slide bar and rectangular working plate, the fixed support column A that sets up in the top central point of base post, support column B's bottom sets up dodges the recess, dodge the recess internal fixation and set up with support column A matched with bearing A, support column A's top is visited to dodge in the recess and is connected through bearing A and support column B rotation, annular workbench and bearing B are located between support column B and the base post respectively, support column A's outside cover is established bearing B, annular workbench cover is established and is made annular workbench rotate with support column A through bearing B in the bearing B outside and be connected, support column B's lateral part is fixed and is provided with the quantity and be the slide bar more than two, rectangular working plate's lateral part sets up the slide opening with slide bar matched with, rectangular working plate passes through the slide opening and is connected with slide bar sliding fit.

Preferably, the axis of the base column and the axis of the support column are on the same straight line and are respectively parallel to the plumb line.

Preferably, a handle for facilitating hand holding is fixedly arranged on the long strip-shaped working plate.

Preferably, the fixing device is fixedly arranged by means of a welded connection, a screw connection and/or a snap connection.

Preferably, the number of the slide bars is two.

Preferably, the upper surface of the annular workbench is provided with more than 8 working partition lines, and the more than 8 working partition lines form more than 9 working partitions.

The utility model has the advantages that: 1. the use effect of teaching experiment is convenient to achieve. 2. Can be convenient for different students at a plurality of positions to observe and study. 3. When the students do corresponding experimental objects according to the teaching of the teacher, the teacher can conveniently look up and comment the works of each student.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view a-a of fig. 1.

Fig. 3 is a schematic structural diagram of the elongated work board moving from a position close to the supporting column B to a position far away from the supporting column B in fig. 2.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In addition, as can be known by those skilled in the art, the size, model and other relationships among the components of the present invention should be matched with each other, for example, if one motor drives one shaft to rotate, the size and model of the motor do not need to be considered, and the motor of any size can be rotated, and only the motor can drive the shaft to rotate; similarly, when electrical components such as the gas rod and the sensor are adopted, only the matching is considered, the electrical components such as the gas rod and the sensor of any model can be rotated, and only the principle of the electrical components can be realized.

Referring to the figures, the laboratory workbench convenient for teaching comprises a base column 1, a support column A2, a support column B3, a bearing A4, an annular workbench 5, a bearing B6, a sliding rod 7 and a strip-shaped working plate 8, wherein the support column A2 is fixedly arranged at the center position of the top end of the base column 1, an avoiding groove 9 is formed in the bottom end of the support column B3, a bearing A4 matched with the support column A2 is fixedly arranged in the avoiding groove 9, the top end of the support column A2 extends into the avoiding groove 9 and is rotatably connected with the support column B3 through a bearing A4, the annular workbench 5 and the bearing B6 are respectively positioned between the support column B3 and the base column 1, the bearing B6 is sleeved on the outer side of the support column A2, the annular workbench 5 is sleeved on the outer side of the bearing B6 so that the annular workbench 5 is rotatably connected with the support column A2 through the bearing B6, the sliding rod 7 is fixedly arranged on the side of the support column B3, and the strip-shaped working plate 8, the strip-shaped working plate 8 is connected with the sliding rod 7 in a sliding fit manner through a sliding hole.

Preferably, the axis of the base column 1 and the axis of the support column are on the same straight line and are parallel to the vertical line, respectively.

Preferably, a handle 10 for facilitating hand holding is fixedly arranged on the elongated work board 8.

Preferably, the fastening is arranged fixedly by means of a welded connection, a screw connection and/or a snap connection.

Preferably, the number of slide bars 7 is two.

When in use: the upper surface of the annular workbench 5 is provided with more than 8 working partition lines 11, and the more than 8 working partition lines form more than 9 working areas 12; a teacher and a student who receives the teaching are respectively surrounded on the circumference of the annular workbench 5, at the moment, the teacher and/or the student can rotate the long-strip-shaped working plate 8 through the handle, so that the position of the long-strip-shaped working plate 8 is close to the position of the teacher, the teacher can pull the long-strip-shaped working plate 8 to himself through the sliding rod 7 by pulling the long-strip-shaped working plate 8, experimental operation teaching is carried out on the long-strip-shaped working plate 8, and meanwhile, the using effect of facilitating the student to see and learn is achieved due to the fact that the long-strip-shaped working plate 8 is located at a higher horizontal line height corresponding to the annular workbench 5; after the teacher finishes the operation, the finished sample is placed on the long-strip-shaped working plate 8, the teacher can push the long-strip-shaped working plate 8 to a position close to the supporting column B3 through the sliding rod 7, at the moment, a user can perform an experiment on the annular working table 5 on one hand, and can select the long-strip-shaped working plate 8 to a position close to students at different positions for the students to practice while watching and rubbing on the other hand, so that the use effect of facilitating teaching experiments is achieved, meanwhile, after the student experiments, the teacher can rotate the experimental objects made by different students to the front of the teacher in sequence through rotating the annular working table 5 to comment on the experimental objects, and the use effect of conveniently commenting on different works of each student after the experiment is achieved; wherein, when attention should be paid, in order to avoid the spilling and leaking during the rotation, the utility model is mainly used for the experimental teaching of the solid object; meanwhile, when students are doing experiments, the students should avoid placing the experiment objects at the position close to the supporting column A2 so as to prevent the rotating misoperation of the long strip-shaped working plate 8 from impacting on the experiment objects.

In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a laboratory bench convenient to teaching which characterized in that: the device comprises a base column, a support column A, a support column B, a bearing A, an annular workbench, a bearing B, a sliding rod and a strip-shaped working plate, and the device is characterized in that: the fixed support column A that sets up in the top central point of base post puts, the bottom of support column B sets up dodges the recess, dodge recess internal fixation and set up and support column A matched with bearing A, support column A's top is visited in dodging the recess and is connected through bearing A and support column B rotation, annular workstation and bearing B are located respectively between support column B and the base post, bearing B is established to support column A's outside cover, annular workstation cover is established and is made annular workstation pass through bearing B and support column A rotation and be connected in the bearing B outside, the fixed slide bar that is provided with quantity more than two of support column B's lateral part, the lateral part of rectangular shaped working plate sets up the slide opening with slide bar matched with, rectangular shaped working plate passes through the slide opening and is connected with slide bar sliding fit.

2. The laboratory workstation that facilitates teaching of claim 1, wherein: the axial lead of the base column and the axial lead of the support column are on the same straight line and are respectively parallel to the plumb line.

3. The laboratory workstation that facilitates teaching of claim 2, wherein: the long working plate is fixedly provided with a handle which is convenient to hold.

4. The laboratory workstation that facilitates teaching of claim 3, wherein: the fixing device is fixedly arranged in a welding connection mode, a bolt connection mode and/or a clamping connection mode.

5. The laboratory workstation that facilitates teaching of claim 1, wherein: the number of the sliding rods is two.

6. The laboratory workstation that facilitates teaching of claim 1, wherein: the fixing device is fixedly arranged in a welding connection mode, a bolt connection mode and/or a clamping connection mode.

7. The laboratory workstation that facilitates teaching of claim 1, wherein: the upper surface of annular workstation is provided with the work subregion line that quantity is more than 8, and the work subregion line that quantity is more than 8 forms the work area that quantity is more than 9.