CN214107048U - Teaching aid for biological experiment - Google Patents

Abstract

The utility model discloses a teaching aid for biological assay, including base, flexible loop bar, horizontal pole and bracing piece, the inside of base is equipped with three storage drawers of group, the inside at base top is equipped with five groups test tube spacing grooves, the both sides at base top all have flexible loop bar through screw thread head fixed mounting, the top of flexible loop bar one side has the axostylus axostyle through protecting sheathing fixed mounting, and rotates on the axostylus axostyle and install the memo paper, the top fixed mounting of flexible loop bar has the horizontal pole, the test tube has been placed between base and the horizontal pole, the top fixed mounting of horizontal pole one side has the bracing piece, the top of bracing piece is rotated through the ball and is installed the connecting block, the inside fixed mounting of handle has the lithium cell, there is the LED light at the top of handle through magnifying glass fixed mounting. The utility model discloses a storing drawer, magnifying glass and LED light have realized the multi-functional use of teaching aid, have improved the application range of teaching aid.

Description

Teaching aid for biological experiment

Technical Field

The utility model relates to a teaching aid technical field specifically is a teaching aid is used in teaching for biological assay.

Background

Experiments and the effect of teaching aid in biological teaching research are very light, different biological experiment teaching aids can be used often to the difference of technical research purpose, the teaching aid that most biological experiments were used commonly is the experiment frame, but current experiment frame function is crude and single, can't satisfy the user demand in the experimentation, need a teaching aid for the teaching of biological experiment now, but the teaching aid for the teaching of current being used for biological experiment has many problems or defects:

1. the existing biological experiment teaching aid has certain limitations, cannot store related experiment tools such as glass slides, test paper and the like required by experiments while placing test tubes, easily causes experiment articles to be scattered and placed everywhere, and causes the experiment table top to be disordered to influence the experiment;

2. and current biological assay teaching aid function singleness can not carry out local amplification to the laboratory glassware to and can not carry out the light illumination under the dim environment of light.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a teaching aid is used in teaching for biological assay to solve the problem of the biological assay teaching aid function singleness that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a teaching aid for biological experiments comprises a base, a telescopic sleeve rod, a cross rod and a support rod, wherein a pen container is fixedly installed on one side of the base, three storage drawers are arranged in the base, five test tube limiting grooves are arranged in the top of the base, sponge protection pads matched with the test tube limiting grooves are arranged on the test tube limiting grooves, the telescopic sleeve rod is fixedly installed on two sides of the top of the base through threaded heads, a limiting knob is fixedly installed on the front of the telescopic sleeve rod, a shaft rod is fixedly installed on the top of one side of the telescopic sleeve rod through a protective shell, note paper is rotatably installed on the shaft rod, the cross rod is fixedly installed on the top of the telescopic sleeve rod, a test tube is placed between the base and the cross rod, a sponge protection block is fixedly installed at the bottom of the cross rod on the top of the base between the test tubes, the support rod is fixedly installed on the top of one side of the cross rod, the top of bracing piece is rotated through the ball and is installed the connecting block, the top of connecting block has the handle through placing base fixed mounting, the inside fixed mounting of handle has the lithium cell, and the front of handle is equipped with electrical socket, the top of handle has the LED light through magnifying glass fixed mounting.

Preferably, the base is provided with a thread mounting groove matched with the thread head.

Preferably, the telescopic loop bar consists of an inner loop bar and an outer loop bar, and the inner loop bar is provided with a limiting hole matched with the limiting knob for use.

Preferably, the cross rod is provided with a through groove matched with the test tube.

Preferably, a metal protection ring is fixedly installed around the magnifier, and a wire slot matched with the LED illuminating lamp for use is arranged on the metal protection ring.

Preferably, the bottom of the front surface of the handle is provided with a prompt lamp and a control switch which are matched with the power supply jack for use.

Compared with the prior art, the utility model discloses an innovation point effect is: this a teaching aid for biological assay is used in teaching rational in infrastructure, has following advantage:

(1) through the matched use between the pen container and the storage drawer, the teaching aid can store disposable test paper, glass slide and other experiment related tools related to experiments in the using process, the space using range of the teaching aid is enlarged, the situation that the experiment table top is disordered due to scattering of the teaching aid is avoided, through the matched use between the protective shell and the shaft lever and the note paper, a user can conveniently note and describe test tubes in the experiment process, and the use benefit of the teaching aid is improved;

(2) through the matching use of the magnifying glass, the lithium battery, the power jack and the LED illuminating lamp, the biological experiment teaching aid can locally enlarge a small experimental object to be observed by a user in the experiment process, can supplement light through the LED illuminating lamp in a dim environment, can be charged and used circularly, can adjust the illumination angle of the LED illuminating lamp according to the actual use condition through the ball, avoids the situation that the experiment requirement of the user cannot be met due to single function of the teaching aid, and improves the practicability of the teaching aid;

(3) use through the cooperation between sponge protection pad and the sponge protection piece for the test tube can carry out anticollision protection to the test tube depositing the in-process of removing, has avoided test tube roll-off test tube spacing groove to collide mutually and test tube spacing groove friction to lead to cracked condition to take place, has improved the security in the teaching aid use.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a schematic view of a first partial front cross-sectional structure of the present invention;

fig. 4 is a schematic view of a second partial front sectional structure according to the present invention.

In the figure: 1. a base; 101. a pen container; 102. a storage drawer; 103. a test tube limiting groove; 104. a sponge protection pad; 105. a sponge protection block; 2. a telescopic loop bar; 201. a screw head; 202. a limit knob; 203. a protective housing; 204. a shaft lever; 205. a note paper; 3. a cross bar; 301. a through groove; 302. a test tube; 4. a support bar; 401. a ball bearing; 402. connecting blocks; 403. placing a base; 404. a handle; 405. a lithium battery; 406. a power jack; 407. a magnifying glass; 408. an LED lighting lamp; 409. a wire slot.

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 "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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. 1-4, the present invention provides an embodiment: a teaching aid for biological experiments comprises a base 1, a telescopic sleeve rod 2, a cross rod 3 and a support rod 4, wherein a pen container 101 is fixedly installed on one side of the base 1, three groups of storage drawers 102 are arranged inside the base 1, and through the matched use between the pen container 101 and the storage drawers 102, the teaching aid can store disposable test paper, glass slides and other experiment related tools related to experiments in the using process, so that the space using range of the teaching aid is improved, the condition that the experiment table is disordered due to scattering of the teaching aid is avoided, five groups of test tube limiting grooves 103 are arranged inside the top of the base 1, sponge protective pads 104 matched with the test tube limiting grooves 103 are arranged on the two sides of the top of the base 1, the telescopic sleeve rod 2 is fixedly installed on the two sides of the top of the base 1 through a thread head 201, and thread mounting grooves matched with the thread head 201 are formed in the base 1;

specifically, a limit knob 202 is fixedly mounted on the front face of the telescopic loop bar 2, the telescopic loop bar 2 is composed of an inner loop bar and an outer loop bar, a limit hole matched with the limit knob 202 for use is formed in the inner loop bar, a shaft rod 204 is fixedly mounted at the top of one side of the telescopic loop bar 2 through a protective shell 203, note paper 205 is rotatably mounted on the shaft rod 204, and through the matched use between the protective shell 203 and the shaft rod 204 and the note paper 205, a user can conveniently note and explain the test tube 302 in the experimental process, so that the use benefit of the teaching aid is improved;

specifically, top fixed mounting of flexible loop bar 2 has horizontal pole 3, test tube 302 has been placed between base 1 and the horizontal pole 3, the bottom fixed mounting of the top horizontal pole 3 of base 1 has sponge protection piece 105 between test tube 302, use through the cooperation between sponge protection pad 104 and the sponge protection piece 105, make test tube 302 deposit the in-process of removing, can prevent collision protection to test tube 302, avoided test tube 302 roll-off test tube spacing groove 103 to collide with each other and test tube 302 and test tube spacing groove 103 friction to lead to cracked condition to take place, the security in the teaching aid use has been improved, be equipped with logical groove 301 with test tube 302 cooperation use on the horizontal pole 3;

specifically, the top of one side of the cross rod 3 is fixedly provided with the support rod 4, the top of the support rod 4 is rotatably provided with the connecting block 402 through the ball 401, a user can conveniently adjust the illumination angle of the LED illuminating lamp 408 according to the actual use condition through the ball 401, the situation that the experiment requirement of the user cannot be met due to the single function of the teaching aid is avoided, the practicability of the teaching aid is improved, the top of the connecting block 402 is fixedly provided with the handle 404 through the base 403, the inside of the handle 404 is fixedly provided with the lithium battery 405, the front surface of the handle 404 is provided with the power jack 406, the bottom of the front surface of the handle 404 is provided with the prompt lamp and the control switch which are matched with the power jack 406, the top of the handle 404 is fixedly provided with the LED illuminating lamp 408 through the magnifier 407, the magnifier 407 and the lithium battery 405 are matched with the, can carry out the local enlargement to miniature laboratory object and let the user observe well, can pass through LED light 408 light filling under the dim environment of light, can circulate the use of charging simultaneously, fixed mounting has the metal guard circle around magnifying glass 407, and is equipped with the wire casing 409 that uses with LED light 408 cooperation on the metal guard circle.

The working principle is as follows: when the device is used, firstly, the test tube 302 is placed into the test tube limiting groove 103 through the through groove 301 on the cross rod 3, in the using process, the anti-collision protection can be performed on the test tube 302 through the sponge protection pad 104 and the sponge protection block 105, the test tube 302 is prevented from colliding, rubbing and cracking mutually, a user can adjust the using height of the telescopic sleeve rod 2 by rotating the limiting knob 202 according to the length of the test tube 302, in the experiment process, tools such as disposable test paper, glass slide, cotton swabs and the like required by the experiment can be placed in the storage drawer 102, the space storage range of the teaching aid is enlarged, when the test tube 302 needs to be described and remarked, the note paper 205 can be pulled off from the shaft rod 204 and pasted on the test tube 302, the functions of illumination and local amplification can be performed in the experiment process through the magnifier 407 and the LED illuminating lamp 408, the situations that the test article is too small to be clearly seen and the light is insufficient to be observed are avoided, the use angle of LED light 408 can be adjusted through ball 401, has improved the application range of teaching aid.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Claims (6)

1. The utility model provides a teaching aid for biological assay, includes base (1), flexible loop bar (2), horizontal pole (3) and bracing piece (4), its characterized in that: one side fixed mounting of base (1) has pen container (101), the inside of base (1) is equipped with three storing drawers of group (102), the inside at base (1) top is equipped with five test tube spacing grooves (103), and is equipped with sponge protection pad (104) that the cooperation was used on test tube spacing groove (103), the both sides at base (1) top all have flexible loop bar (2) through thread head (201) fixed mounting, the front fixed mounting of flexible loop bar (2) has spacing knob (202), the top of flexible loop bar (2) one side has axostylus axostyle (204) through protecting sheathing (203) fixed mounting, and rotates on axostylus axostyle (204) and installs memo paper (205), the top fixed mounting of flexible loop bar (2) has horizontal pole (3), test tube (302) have been placed between base (1) and horizontal pole (3), the bottom fixed mounting of the top horizontal pole (3) of base (1) has sponge protection piece(s) (102) between test tube (302), (102) 105) The utility model discloses a LED lamp, the top fixed mounting of horizontal pole (3) one side has bracing piece (4), the top of bracing piece (4) is rotated through ball (401) and is installed connecting block (402), the top of connecting block (402) has handle (404) through placing base (403) fixed mounting, the inside fixed mounting of handle (404) has lithium cell (405), and the front of handle (404) is equipped with electrical socket (406), the top of handle (404) has LED light (408) through magnifying glass (407) fixed mounting.

2. A teaching aid for use in biological experiments according to claim 1, wherein: the base (1) is provided with a thread mounting groove matched with the thread head (201).

3. A teaching aid for use in biological experiments according to claim 1, wherein: the telescopic loop bar (2) is composed of an inner loop bar and an outer loop bar, and the inner loop bar is provided with a limiting hole matched with the limiting knob (202) for use.

4. A teaching aid for use in biological experiments according to claim 1, wherein: the cross rod (3) is provided with a through groove (301) matched with the test tube (302).

5. A teaching aid for use in biological experiments according to claim 1, wherein: and a metal protection ring is fixedly arranged around the magnifier (407), and a wire slot (409) matched with the LED illuminating lamp (408) is arranged on the metal protection ring.

6. A teaching aid for use in biological experiments according to claim 1, wherein: the bottom of the front surface of the handle (404) is provided with a prompt lamp and a control switch which are matched with the power supply jack (406) for use.

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