CN215611716U

CN215611716U - Multipurpose chemical experiment demonstration device

Info

Publication number: CN215611716U
Application number: CN202120612673.8U
Authority: CN
Inventors: 魏建国
Original assignee: Huanghe Science and Technology College
Current assignee: Huanghe Science and Technology College
Priority date: 2021-03-20
Filing date: 2021-03-20
Publication date: 2022-01-25
Anticipated expiration: 2031-03-20

Abstract

The utility model discloses a multipurpose chemical experiment demonstration device which comprises a base, wherein a supporting leg is vertically and fixedly arranged at the bottom of the base, an adjustable extension rod is arranged in the supporting leg, an upright post is vertically and fixedly arranged on the base, a sliding shaft is movably arranged on the upright post, a connecting rod is fixedly arranged on the sliding shaft, the connecting rod is fixedly connected with a top clamping ring, a placing table is fixedly arranged under the top clamping ring, a support vertical to the base is fixedly arranged at the bottom of the placing table, an adjusting frame is arranged on the placing table, and a fixing frame is movably arranged on the adjusting frame. The base can be lifted, and various experimental instruments can be fixed conveniently. The experiment device does not need long-time handheld operation of experimenters, and the base is lifted to be more convenient for the back row personnel to observe the experiment phenomenon on the adjusting bracket.

Description

Multipurpose chemical experiment demonstration device

Technical Field

The utility model relates to the technical field of experimental instruments, in particular to a multipurpose chemical experiment demonstration device.

Background

In chemical learning, experimental teaching aids are often used. At present, traditional chemistry experiment presentation device simple structure, the function is single, and the student that lies in the back row is difficult to observe the experimental phenomenon when the experiment, and traditional chemistry experiment presentation device structural flexibility ratio is relatively poor, causes the error during the experiment easily, is difficult to satisfy the user demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multipurpose chemical experiment demonstration device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multipurpose chemistry experiment presentation device, includes the base, the perpendicular fixed mounting in base bottom has the supporting leg, install the adjustable extension rod in the supporting leg, perpendicular fixed mounting has the stand on the base, movable mounting has the sliding shaft on the stand, fixed mounting has the connecting rod on the sliding shaft, connecting rod fixed connection top snap ring, fixed mounting places the platform under the top snap ring, place platform bottom fixed mounting have with base vertically support, place the bench and install the alignment jig, movable mounting has the mount on the alignment jig.

Further, the top snap ring includes the ring body, the symmetry is installed and is adjusted the pole on the ring body, it is located to adjust the pole terminal fixed mounting in the ring body has the cardboard, the cardboard back with fixed mounting has first spring between the ring body.

Furthermore, the placing table is integrally formed and provided with a sliding groove, and the adjusting frame is slidably mounted in the sliding groove through a sliding block.

Further, the mount includes the slide bar, install with adjustable the slide bar on the alignment jig, slide bar end fixed mounting has the clamp, the clamp with fixed mounting has the second spring between the alignment jig.

Furthermore, the extension rod is fixed through an adjusting bolt, positioning holes matched with the adjusting bolt are formed in the extension rod at equal intervals, and an anti-skid pad is fixedly mounted at the bottom of the extension rod.

Furthermore, the sliding shaft is positioned through a fastening bolt, and bolt holes matched with the fastening bolt are formed in the stand column at equal intervals.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model is provided with the extension rod, the upright post, the placing table, the adjusting frame and the fixing frame, the extension rod in the supporting leg at the bottom of the base can change the height through the adjusting bolt, so that the base can be conveniently lifted in the experimental explanation process, and the observation of the personnel at the back row is convenient. The stand is provided with a top clamping ring which is positioned right above the fixing frame, and instruments such as a burette and the like can be fixed through the top clamping ring. Mount accessible alignment jig changes the interval, can fix between the mount and place laboratory glassware such as beaker, test tube, does not need the handheld operation of experimenter, and the base rises simultaneously and more conveniently lies in the experiment phenomenon on the back row personnel observation alignment jig. The multifunctional medical instrument is convenient to operate and observe, and has multiple functions and stronger practicability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure according to an embodiment of the present invention;

FIG. 2 is a schematic top view of a top retainer ring according to an embodiment of the utility model;

FIG. 3 is a schematic partial cross-sectional view according to an embodiment of the utility model.

Reference numerals:

1. a base; 2. supporting legs; 3. an extension pole; 4. a non-slip mat; 5. adjusting the bolt; 6. a column; 7. a sliding shaft; 8. a connecting rod; 9. a top snap ring; 91. a ring body; 92. adjusting a rod; 93. clamping a plate; 94. a first spring; 10. fastening bolts; 11. a placing table; 111. a chute; 12. a support; 13. an adjusting bracket; 131. a slider; 14. a fixed mount; 141. a slide bar; 142. a clamp 143 and a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meanings 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 multipurpose chemical experiment demonstration device according to the embodiment of the utility model comprises a base 1, wherein a support leg 2 is vertically and fixedly installed at the bottom of the base 1, an adjustable extension rod 3 is installed in the support leg 2, an upright post 6 is vertically and fixedly installed on the base 1, a sliding shaft 7 is movably installed on the upright post 6, a connecting rod 8 is fixedly installed on the sliding shaft 7, the connecting rod 8 is fixedly connected with a top snap ring 9, a placing table 11 is fixedly installed right below the top snap ring 9, a support 12 vertical to the base 1 is fixedly installed at the bottom of the placing table 11, an adjusting frame 13 is installed on the placing table 11, and a fixing frame 14 is movably installed on the adjusting frame 13.

In addition, the top snap ring 9 includes a ring body 91, adjusting rods 92 are symmetrically installed on the ring body 91, a clamping plate 93 is fixedly installed at the end of the adjusting rod 92 located in the ring body 91, a first spring 94 is fixedly installed between the back of the clamping plate 93 and the ring body 91, a sliding groove 111 is formed in the placing table 11 in an integrated manner, the adjusting frame 13 is slidably installed in the sliding groove 111 through a sliding block 131, the fixing frame 14 includes a sliding rod 141, the sliding rod 141 is adjustably installed on the adjusting frame 13, a clamp 142 is fixedly installed at the end of the sliding rod 141, a second spring 143 is fixedly installed between the clamp 142 and the adjusting frame 13, the extension rod 3 is fixed through an adjusting bolt 5, positioning holes adapted to the adjusting bolt 5 are equidistantly formed in the extension rod 3, and an anti-skid pad 4 is fixedly installed at the bottom of the extension rod 3, the sliding shaft 7 is positioned by a fastening bolt 10, and bolt holes matched with the fastening bolt 10 are equidistantly formed in the upright post 6.

The working principle is as follows:

through the scheme, in the actual use process, an experimenter places the device on the table top before explaining an experiment, and can change the height of the base 1 by adjusting the supporting legs 2 and the extension rods 3 according to the field requirement. Fix top snap ring 9 in suitable experimental position through fastening bolt 10, cardboard 93 on the laboratory glassware accessible top snap ring 9 is fixed, can place laboratory glassware such as beaker on placing platform 11, perhaps controls the interval of mount 14 through the interval that changes alignment jig 13, fixes the clamp 142 of instrument on through mount 14 for experimental phenomenon is changeed and is observed.

The utility model is provided with the extension rod 3, the upright post 6, the placing platform 11, the adjusting bracket 13 and the fixing bracket 14, the extension rod 3 in the supporting leg 2 at the bottom of the base 1 can change the height through the adjusting bolt 5, so that the base 1 can be conveniently lifted in the experimental explanation process, and the observation of the personnel at the back row is convenient. The upright post 6 is provided with a top snap ring 9 which is positioned right above the fixing frame 14, and instruments such as a burette and the like can be fixed through the top snap ring 9. The interval is changed to 14 accessible alignment brackets 13 of mount, can fix between mount 14 and place laboratory glassware such as beaker, test tube, does not need the handheld operation of experimenter, and base 1 raises and more conveniently lies in the experiment phenomenon on back row personnel observation alignment brackets 13 simultaneously. The multifunctional medical instrument is convenient to operate and observe, and has multiple functions and stronger practicability.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a multipurpose chemistry experiment presentation device, includes base (1), its characterized in that, base (1) bottom perpendicular fixed mounting has supporting leg (2), install adjustable extension rod (3) in supporting leg (2), base (1) is gone up perpendicular fixed mounting has stand (6), movable mounting has sliding shaft (7) on stand (6), fixed mounting has connecting rod (8) on sliding shaft (7), connecting rod (8) fixed connection top snap ring (9), fixed mounting has places platform (11) under top snap ring (9), place platform (11) bottom fixed mounting have with base (1) vertically support (12), place and install on platform (11) alignment jig (13), movable mounting has mount (14) on alignment jig (13).

2. A multipurpose chemical experiment demonstration device according to claim 1, wherein the top snap ring (9) comprises a ring body (91), adjusting rods (92) are symmetrically installed on the ring body (91), a clamping plate (93) is fixedly installed at the tail end of each adjusting rod (92) located in the ring body (91), and a first spring (94) is fixedly installed between the back of each clamping plate (93) and the ring body (91).

3. A multipurpose chemical experiment demonstration device according to claim 1, wherein the placing table (11) is integrally formed with a sliding groove (111), and the adjusting frame (13) is slidably mounted in the sliding groove (111) through a sliding block (131).

4. A multipurpose chemical experiment demonstration device according to claim 1, wherein the fixing frame (14) comprises a sliding rod (141), the sliding rod (141) is adjustably mounted on the adjusting frame (13), a clamp (142) is fixedly mounted at the end of the sliding rod (141), and a second spring (143) is fixedly mounted between the clamp (142) and the adjusting frame (13).

5. A multipurpose chemical experiment demonstration device according to claim 1, wherein the extension rod (3) is fixed by an adjusting bolt (5), the extension rod (3) is provided with positioning holes adapted to the adjusting bolt (5) at equal intervals, and the bottom of the extension rod (3) is fixedly provided with a non-slip mat (4).

6. A multipurpose chemical experiment demonstration device according to claim 1, wherein the sliding shaft (7) is positioned by a fastening bolt (10), and the upright (6) is provided with bolt holes adapted to the fastening bolt (10) at equal intervals.