CN212092352U

CN212092352U - Biochemical experiment demonstration teaching aid

Info

Publication number: CN212092352U
Application number: CN202020142982.9U
Authority: CN
Inventors: 刘长生; 倪梦瑶; 蔡晓霞
Original assignee: Zhejiang Industry Polytechnic College
Current assignee: Zhejiang Industry Polytechnic College
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-12-08
Anticipated expiration: 2030-01-22

Abstract

The utility model relates to a biochemical experiment demonstration teaching aid, box, rectangle frame's the transparent fender that encloses of the rectangle of open-top, the inboard top rigid coupling of box has the cross section to be the bracket of L type, form rectangle frame's draw-in groove between bracket and the box, the transparent fender bottom card that encloses is gone into the draw-in groove, the transparent fender that encloses is enclosed by preceding transparent baffle, back transparent baffle, left transparent baffle, right transparent baffle and encloses to close and form. The beneficial effects are that: the rectangular box with the top opening is convenient for containing experimental articles required by biochemical experiments; the handle, the handle connecting plate and the hinge shaft are arranged on the box, so that the box is convenient to carry; the rigid coupling forms the draw-in groove of rectangle frame between the bracket at the inboard top of box and the box, encloses transparently and keeps off bottom card income draw-in groove, utilizes transparently to enclose the experimental articles who keeps off the splash or the departure when carrying out biochemical experiments, prevents that experimental articles from injuring mr or the student of front-seat.

Description

Biochemical experiment demonstration teaching aid

Technical Field

The utility model relates to a teaching aid field especially relates to a biochemical experiment demonstration teaching aid.

Background

In biology and chemistry class, the teacher can take some knowledge points that can demonstrate through the experiment with some in order to improve the student to the acceptance of knowledge point, show the student in the classroom, but when some have dangerous biochemical experiments, there is no safeguard measure can threaten the student of front-seat and teacher's safety, and the required experimental articles for use quantity of some biochemical experiments is more moreover, is not portable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the above problems existing in the prior art and provide a biochemical experiment demonstration teaching aid.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

the utility model provides a biochemical experiment demonstration teaching aid, includes the box of open-top's rectangle, the transparent fender that encloses of rectangle frame, the inboard top rigid coupling of box has the cross section to be the bracket of L type, form rectangle frame's draw-in groove between bracket and the box, the transparent fender bottom card that encloses is gone into in the draw-in groove, the transparent fender that encloses by preceding transparent baffle, back transparent baffle, left transparent baffle, right transparent baffle encloses to close and forms, the bottom of box is equipped with the first hold up tank that is used for depositing preceding transparent baffle, is used for depositing back transparent baffle's second hold up tank, is used for depositing left transparent baffle and right transparent baffle's third hold up tank.

Further, still including hanging the test-tube rack that keeps off or put in the box at transparent enclosing, the test-tube rack is including last backup pad, the lower backup pad that has a plurality of recesses, two end plates that have a plurality of round holes, go up backup pad and lower backup pad and install between two end plates on top firmly, and go up the backup pad and be located the lower backup pad directly over, the downward bar opening of opening has been seted up respectively to the both sides of end plate, the bar opening can be blocked and is kept off at transparent enclosing.

Furthermore, the box also comprises a step-shaped support platform arranged in the box.

Furthermore, the transparent top corner of enclosing the fender installs the connection angle piece of right angle type, be equipped with the slot of right angle type in the connection angle piece.

Furthermore, two ends of the box are respectively and fixedly connected with two hollow hinged shafts, each hinged shaft is hinged with a handle connecting plate, a round handle is installed between the two handle connecting plates which are symmetrical about the short shaft of the box, and one end, far away from the box, of each hinged shaft is in threaded connection with a limiting screw for preventing the handle connecting plates from being separated from the hinged shafts.

The utility model has the advantages that: the rectangular box with the top opening is convenient for containing experimental articles required by biochemical experiments; the handle, the handle connecting plate and the hinge shaft are arranged on the box, so that the box is convenient to carry; the rigid coupling forms the draw-in groove of rectangle frame between the bracket at the inboard top of box and the box, encloses transparently and keeps off bottom card income draw-in groove, utilizes transparently to enclose the experimental articles who keeps off the splash or the departure when carrying out biochemical experiments, prevents that experimental articles from injuring mr or the student of front-seat.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

FIG. 1 is a schematic structural view of a teaching aid in an embodiment of the present invention, when a transparent enclosure is clamped into a clamping groove;

FIG. 2 is a schematic structural view of a teaching aid in the embodiment of the present invention when the transparent enclosure is stored;

fig. 3 is a schematic structural view of the transparent enclosure in the embodiment of the present invention;

FIG. 4 is a schematic side view of a case according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a test tube rack in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a connection corner block in an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements 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.

As shown in fig. 1 to 6, a biochemical experiment demonstration teaching aid, box 1 including open-top rectangle, the transparent fender 2 that encloses of rectangle frame, the inboard top rigid coupling of box 1 has the cross section to be the bracket 11 of L type, form rectangular frame's draw-in groove 12 between bracket 11 and the box 1, the transparent fender 2 bottom card that encloses is gone into in the draw-in groove 12, the transparent fender 2 that encloses is enclosed by preceding transparent baffle 21, back transparent baffle 22, left transparent baffle 23, right transparent baffle 24 encloses to close and forms, the bottom of box 1 is equipped with the first hold up tank 13 that is used for depositing preceding transparent baffle 21, the second hold up tank 14 that is used for depositing back transparent baffle 22, the third hold up tank 15 that is used for depositing left transparent baffle 23 and right transparent baffle 24.

Still including hanging on transparent fender 2 or putting the test-tube rack 3 in box 1, test-tube rack 3 is including the last backup pad 31 that has a plurality of round holes 32, the bottom suspension fagging 33 that has a plurality of recesses 34, two end plates 35, it installs between two end plates 35 with bottom suspension fagging 33 solid top to go up backup pad 31, and go up backup pad 31 and be located bottom suspension fagging 33 directly over, the downward bar opening 36 of opening has been seted up respectively to end plate 35's both sides, bar opening 36 can block on transparent fender 2 that encloses.

Still including laying the notch cuttype brace table 6 in box 1, let the laboratory glassware put on suitable brace table 6's step when the experiment to guarantee that the experimentation can see through transparent fender 2 of enclosing and demonstrate in the front of the student.

Transparent enclose fender 2's top corner and install the connection angle piece 25 of right angle type, be equipped with the slot 26 of right angle type in connecting angle piece 25, avoid transparent enclose fender 2 upper portion and open, make to produce the gap between two adjacent transparent baffle.

Two ends of the box 1 are respectively fixedly connected with two hollow hinged shafts 16, each hinged shaft 16 is hinged with a handle connecting plate 4, a round handle 5 is installed between the two handle connecting plates 4 which are symmetrical about the short shaft of the box 1, and one end of each hinged shaft, which is far away from the box 1, is in threaded connection with a limiting screw 7 which prevents the handle connecting plates from being separated from the hinged shafts 16.

The rectangular box 1 with the top opening is convenient for containing experimental articles required by biochemical experiments; the handle 5, the handle connecting plate 4 and the hinge shaft 16 are arranged on the box 1, so that the box 1 is convenient to carry; the rigid coupling forms rectangular frame's draw-in groove 12 between the bracket 11 at the inboard top of box 1 and box 1, will transparently enclose to keep off 2 bottoms card go into the draw-in groove 12, utilize transparently to enclose the experimental articles who keeps off 2 and block spill or fly out when carrying out biochemical experiments, prevent that experimental articles from hurting mr or the preceding student.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a biochemical experiment demonstration teaching aid which characterized in that: including the box of open-top's rectangle, the transparent fender that encloses of rectangle frame, the inboard top rigid coupling of box has the cross section to be the bracket of L type, form rectangle frame's draw-in groove between bracket and the box, the transparent fender bottom card that encloses is gone into in the draw-in groove, the transparent fender that encloses by preceding transparent baffle, back transparent baffle, left transparent baffle, right transparent baffle encloses to close and forms, the bottom of box is equipped with the first hold up tank that is used for depositing preceding transparent baffle, is used for depositing back transparent baffle's second hold up tank, is used for depositing left transparent baffle and right transparent baffle's third hold up tank.

2. The biochemical experiment demonstration teaching aid according to claim 1, wherein: still including hanging the test-tube rack that keeps off or put in the box on transparent enclosing, the test-tube rack is including last backup pad, the lower backup pad that has a plurality of recesses, two end plates that have a plurality of round holes, go up backup pad and lower backup pad and push up admittedly and install between two end plates, and go up the backup pad and be located the lower backup pad directly over, the downward bar opening of opening has been seted up respectively to the both sides of end plate, the bar opening can block and keep off in transparent enclosing.

3. The biochemical experiment demonstration teaching aid according to claim 1, wherein: also comprises a step-shaped support platform arranged in the box.

4. The biochemical experiment demonstration teaching aid according to claim 1, wherein: the transparent top corner of enclosing the fender installs the connection angle piece of right angle type, be equipped with the slot of right angle type in the connection angle piece.

5. The biochemical experiment demonstration teaching aid according to claim 1, wherein: two ends of the box are fixedly connected with two hollow hinged shafts respectively, each hinged shaft is hinged with a handle connecting plate, a round handle is installed between the two handle connecting plates which are symmetrical about the short shaft of the box, and one end, far away from the box, of each hinged shaft is in threaded connection with a limiting screw for preventing the handle connecting plates from being separated from the hinged shafts.