CN213726624U

CN213726624U - Teaching equipment for experiments

Info

Publication number: CN213726624U
Application number: CN202022191725.7U
Authority: CN
Inventors: 陈靖
Original assignee: Guangxi Guitong Education Technology Investment Co ltd
Current assignee: Guangxi Guitong Education Technology Investment Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-20
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a teaching device for experiments, which comprises a base, wherein the left and right ends of the base are respectively fixedly connected with a third slide bar and a fourth slide bar, the third slide bar and the fourth slide bar are respectively connected with the left lower end and the right lower end of a table body in a sliding way, the left upper end of the table body is rotationally connected with a left table top through a first hinge, the right upper end of the table body is rotationally connected with a right table top through a second hinge, the rear end of the top of the table body is fixedly connected with the upper table top, and the lower ends of the left table top and the right table top are respectively fixedly connected with a first rotating block and a second rotating block. Is worthy of being widely popularized.

Description

Teaching equipment for experiments

Technical Field

The utility model relates to an education equipment field especially relates to a teaching equipment for experiments.

Background

In the first and high school teaching, in physics and biology, especially in chemistry teaching, there are many experimental courses, for example, a physical oil film method estimation molecular size experiment, a biological chromosome experiment, a chlorophyll extraction experiment, and various chemical oxidation-reduction experiments, which all require a large amount of experimental devices, equipment, raw materials and experimental sites, and it is very important to have complete experimental equipment in the teaching process.

Many schools teaching resource strength are limited at present, and most are some simple and easy tool equipment, for example, many students can only go to special deposit room and take because the unable fine experiment of accomplishing on experimental facilities of height problem, or just some necessary laboratory supplies and teaching materials need to use when again, and very troublesome has wasted student's experimentation time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing experimental teaching equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a teaching device for experiments comprises a base, wherein the left end and the right end of the base are respectively fixedly connected with a third sliding rod and a fourth sliding rod, the third sliding rod and the fourth sliding rod are respectively in sliding connection with the left lower end and the right lower end of a table body, the left upper end of the table body is rotatably connected with a left table top through a first hinge, the right upper end of the table body is rotatably connected with a right table top through a second hinge, the rear end of the top of the table body is fixedly connected with the upper table top, the lower ends of the table top and the right table top are respectively fixedly connected with a first rotating block and a second rotating block, the lower end of the first rotating block is fixedly connected with the left end of the first sliding rod and the right end of the first sliding rod is slidably connected with the left end of a stretching rod, the lower end of the second rotating block is fixedly connected with the right end of the second sliding rod and the left end of the second sliding rod is slidably connected with the right end of the stretching rod, the middle part of the upper end of the base is fixedly connected with a second cylinder, the upper end of the second cylinder is provided with a second push rod, the upper end of the second push rod penetrates through the table body and is fixedly connected with the middle end of the bottom of the extension rod, two sides of the upper end of the base are fixedly connected with first air cylinders, the first air cylinders are provided with first push rods, and the upper ends of the first push rods are fixedly connected with the lower end of the table body.

As a further description of the above technical solution:

the lower left corner of the left desktop, the lower right corner of the right desktop, the upper left corner and the upper right corner of the upper desktop are fixedly connected with rubber sleeves.

As a further description of the above technical solution:

and the upper right end of the left desktop is provided with a through hole.

As a further description of the above technical solution:

the equal fixed connection of base corner lower extreme upper end of axis of rotation, the axis of rotation lower extreme all rotates the connection runner.

As a further description of the above technical solution:

and a chamfer is arranged at the lower end of the closed part of the left desktop and the right desktop.

As a further description of the above technical solution:

the first and second slide bars are the same size and length.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first start first cylinder, first air promotes first push rod and slides from top to bottom, first push rod promotes the table body and rises or the descending action simultaneously, the left lower extreme and the right lower extreme of the table body slide from top to bottom on third slide bar and fourth slide bar respectively, in-process third slide bar and fourth slide bar play the effect of stabilizing the table body, when the student tests, thereby can control the cylinder and adjust the height of this equipment, select the equipment height that is most suitable for oneself height to test, the student has been reduced because the height problem brings the inconvenient part in the experiment.

2. The utility model discloses in, table body upper end is storing space, start the second cylinder, the second cylinder promotes the second push rod and slides from top to bottom, the second push rod promotes to stretch the pole simultaneously and rises or descend the action, under the effect of stretching the pole, first slide bar and second slide bar promote first, the second desktop rotates around the hinge, left side desktop and right desktop are opened and are closed the action, the student can control the second cylinder and open the desktop and take from the equipment and put the laboratory glassware, the laboratory glassware can be placed in last desktop upper end after taking out, the student that has significantly reduced takes the extravagant energy of laboratory glassware, be worth wideling popularize.

Drawings

Fig. 1 is a side view of an experimental teaching apparatus provided by the present invention;

fig. 2 is a top view of the teaching device for experiment provided by the present invention;

fig. 3 is the utility model provides a schematic diagram of pole among teaching equipment for experiments.

Illustration of the drawings:

1. a base; 2. a rotating shaft; 3. a rotating wheel; 4. a first cylinder; 5. a first push rod; 6. a table body; 7. a second cylinder; 8. a second push rod; 9. stretching the rod; 10. a first slide bar; 11. a second slide bar; 12. a first rotating block; 13. a second turning block; 14. a left tabletop; 15. a right desktop; 16. a first hinge; 17. a second hinge; 18. a rubber sleeve; 19. a through hole; 20. a third slide bar; 21. a fourth slide bar; 22. and (4) an upper desktop.

Detailed Description

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a teaching device for experiments comprises a base 1, wherein the left end and the right end of the base 1 are respectively fixedly connected with a third sliding rod 20 and a fourth sliding rod 21, the third sliding rod 20 and the fourth sliding rod 21 are respectively connected with the left lower end and the right lower end of a table body 6 in a sliding manner, the structure can effectively stabilize the table body 6, the left upper end of the table body 6 is rotatably connected with a left table top 14 through a first hinge 17, the right upper end of the table body 6 is rotatably connected with a right table top 15 through a second hinge 16, the left table top 14, the right table top 15 and the hinges 16 are rotated through the hinges 17 so as to complete the closing and opening actions, the rear end of the top of the table body 6 is fixedly connected with an upper table top 22, the upper table top 22 can be used for placing articles for experiments, the lower ends of the left table top 14 and the right table top 15 are respectively and fixedly connected with a first rotating block 12 and a second rotating block 13, the lower end of the first rotating block 12 is fixedly connected with the left end of a first sliding rod 10, and the right end of the first sliding rod 10 is slidably connected with the left end of an extending rod 9, the lower end of a second rotating block 13 is fixedly connected with the right end of a second slide bar 11, the left end of the second slide bar 11 is slidably connected with the right end of a stretching rod 9, the middle part of the upper end of a base 1 is fixedly connected with a second air cylinder 7, a second push rod 8 is arranged at the upper end of the second air cylinder 7, the upper end of the second push rod 8 penetrates through the middle end of the bottom of the stretching rod 9, and the second air cylinder 7 is used as source power to drive a left table top 14 and a right table top 15 to rotate. The upper end of the base 1 is symmetrically and fixedly connected with first cylinders 4, the first cylinders 4 are provided with first push rods 5, the upper ends of the first push rods 5 are fixedly connected with the lower end of a table body 6, and the first cylinders 4 drive the table body 6 to slide up and down as a power source.

Lower left corner fixed connection rubber sleeve 18 of left desktop 14, the lower right corner fixed connection rubber sleeve 18 of right desktop 15, go up the upper left corner and the upper right corner fixed connection rubber sleeve 18 of desktop 22, it receives the damage to collide with when effectively preventing the equipment transport, the upper right end of left desktop 14 is equipped with through-hole 19, can be inside the electron line body of other electrical apparatus from through-hole department jointing equipment, base 1 corner lower extreme fixed connection is in the upper end of axis of

rotation

2, 2 lower extremes of axis of rotation rotate connect runner 3, left desktop 14 is equipped with the chamfer with the closed department lower extreme of right desktop 15, can prevent that left desktop 14 and right desktop 15 from colliding with when closed, it is the same with the big or small length of second slide bar 11 to emphasize first slide bar 10.

The working principle is as follows: when using this equipment, start first cylinder 4, first cylinder 4 promotes first push rod 5 and slides from top to bottom, first push rod 5 promotes the table body 6 and rises or the descending action simultaneously, thereby can control the height of first cylinder 4 regulation this equipment, select the equipment height that is most suitable for oneself height to carry out the experiment, article can be deposited to table body 6 upper end, start second cylinder 7, second cylinder 7 promotes second push rod 8 and slides from top to bottom, second push rod 8 promotes and stretches 9 poles and rise or the descending action simultaneously, under the effect that stretches the pole, first slide bar 17 and second slide bar 16 promote left desktop 14 and right desktop 15 and rotate, can open and close the action to left desktop 14 and the right side 15 of experimental facilities, thereby take and put experimental articles for use and instrument in equipment, the article of taking out can be placed in upper desktop 22.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a teaching equipment for experiments, includes base (1), its characterized in that: base (1) left and right sides both ends difference fixed connection third slide bar (20) and fourth slide bar (21), third slide bar (20) and fourth slide bar (21) respectively with the left lower extreme of the table body (6), right lower extreme sliding connection, the upper left end of the table body (6) rotates through first hinge (17) and connects left desktop (14), the upper right end of the table body (6) rotates through second hinge (16) and connects right desktop (15), table body (6) top rear end fixed connection goes up desktop (22), the lower extreme of left desktop (14) and right desktop (15) is first rotation block (12) and second rotation block (13) of fixed connection respectively, first rotation block (12) lower extreme fixed connection first slide bar (10) left end and first slide bar (10) right-hand member sliding connection stretch pole (9) left end, second rotation block (13) lower extreme fixed connection second slide bar (11) right-hand member and second slide bar (11) left end sliding connection stretch pole (9) The right-hand member, base (1) upper end centre fixed connection second cylinder (7), second cylinder (7) upper end is provided with second push rod (8), second push rod (8) upper end is run through the table body (6) and fixed connection stretches pole (9) bottom middle-end, base (1) upper end both sides fixed connection first cylinder (4), first cylinder (4) are provided with first push rod (5), first push rod (5) upper end fixed connection table body (6) lower extreme.

2. Teaching equipment for experiments according to claim 1, characterized in that: the lower left corner of the left desktop (14), the lower right corner of the right desktop (15), and the upper left corner and the upper right corner of the upper desktop (22) are all fixedly connected with rubber sleeves (18).

3. Teaching equipment for experiments according to claim 1, characterized in that: the upper right end of the left tabletop (14) is provided with a through hole (19).

4. Teaching equipment for experiments according to claim 1, characterized in that: the base (1) corner lower extreme equal fixed connection axis of rotation (2)'s upper end, axis of rotation (2) lower extreme all rotates and connects runner (3).

5. Teaching equipment for experiments according to claim 1, characterized in that: and a chamfer is arranged at the lower end of the closed part of the left tabletop (14) and the right tabletop (15).

6. Teaching equipment for experiments according to claim 1, characterized in that: the first slide bar (10) and the second slide bar (11) are the same in size and length.