CN210688947U

CN210688947U - Student is with test tube drying device with adjustable breather pipe length

Info

Publication number: CN210688947U
Application number: CN201921024779.5U
Authority: CN
Inventors: 叶昕
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-06-05
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses a test tube drying device with an adjustable length of vent pipes for students, which comprises a base, wherein a base bottom is fixedly provided with a base angle, the upper end of the base is provided with a shell, the surface of the shell is provided with a hot air indicator lamp and a cold air indicator lamp, a cold and hot air switch is arranged below the hot air indicator lamp, a power switch is arranged below the cold air indicator lamp, and the surface of the shell is provided with a temperature adjusting knob; there is the upper cover shell upper end through threaded connection, on cover and seted up the gas pocket, the gas pocket has the breather pipe through threaded connection, the breather pipe includes first body, second body and third body, the second body sets up in first body, the third body sets up in the second body, the elastic block notch has been seted up on first body and second body surface, second body and third body are provided with fixing device, accessible pulling body slides and makes the elastic block among the fixing device pop out the elastic block notch, make the breather pipe extension and fixed, so that be applicable to the test tube of different sizes.

Description

Student is with test tube drying device with adjustable breather pipe length

Technical Field

The utility model relates to a chemical apparatus equipment technical field especially relates to a student is with test tube drying device with adjustable breather pipe length.

Background

The test tubes are common instruments in chemical laboratories, are used as reaction containers for a small amount of reagents, are used at normal temperature or during heating, are divided into a plurality of common test tubes, test tubes with supports, centrifugal test tubes and the like, and are common test tubes for experiments in colleges and universities; in medicine, the colleges and universities experimental classroom of chemical research often carries out rapid draing and heats the test tube, often can use at once after these test tubes washing, because all there is residual water on the equipment after washing, influence the use, dry as early as possible in order to make residual water, prior art often uses the alcohol burner to bake or air-dries so that the moisture in the equipment evaporates as early as possible with the hair-dryer and reach dry purpose, but this kind of means of prior art is consuming time hard, influence work efficiency, and the size of test tube is not of uniform size, only can singly operate again, so need develop a student with breather pipe adjustable length's test tube drying device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that can not dry the not unidimensional test tube in the conventional art, and the student who provides is with test tube drying device with adjustable breather pipe length.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a test tube drying device with an air vent pipe for students, which comprises a base, wherein a bottom corner is fixedly arranged at the bottom end of the base, a shell is arranged at the upper end of the base, a hot air indicator lamp and a cold air indicator lamp are arranged on the surface of the shell, a cold air switch is arranged below the hot air indicator lamp, a power switch is arranged below the cold air indicator lamp, and a temperature adjusting knob is arranged on the surface of the shell; the upper end of the shell is connected with an upper cover through threads, and the upper cover is provided with an air hole.

Preferably, a sealing plug can be connected in the air hole through threads, a vent pipe can be connected in the air hole through threads, at least one air hole is arranged, and when the vent pipe is not connected in the air hole through threads, the sealing plug is plugged in the air hole through threads, so that the air tightness of the device is kept.

Preferably, the vent pipe includes a first pipe body, a second pipe body and a third pipe body, the first pipe body, the second pipe body and the third pipe body are made of stainless steel, the second pipe body is disposed in the first pipe body, and the third pipe body is disposed in the fourth pipe body.

Preferably, the first pipe body, the second pipe body and the third pipe body are all provided with at least one vent hole.

Preferably, the second body with be provided with fixing device in the third body, fixing device includes bullet piece, spring and recess, the recess is seted up first body with the surface of second body, spring one end fixed connection be in on the bullet piece, the spring is kept away from the one end fixed connection of bullet piece is in on the inner wall of recess, the bullet piece adopts stainless steel material to make.

Preferably, the first pipe body and the second pipe body are provided with elastic block notches close to pipe body ports, the pipe diameter of the first pipe body is larger than that of the second pipe body, and the pipe diameter of the second pipe body is larger than that of the third pipe body.

Compared with the prior art, the utility model discloses possess following advantage:

the utility model provides an on cover and set up the gas pocket, the gas pocket has the breather pipe through threaded connection, the breather pipe includes first body, second body and third body, the second body sets up in first body, the third body sets up in the second body, the bullet piece notch has been seted up on first body and second body surface, second body and third body are provided with fixing device, accessible pulling body slides and makes the bullet piece in fixing device pop out the bullet piece notch, make the breather pipe extension and fix, so as to be applicable to the test tube of not unidimensional size.

Drawings

Fig. 1 is a schematic structural view of a test tube drying device with an adjustable length vent pipe for students according to the present invention;

fig. 2 is an enlarged schematic view of the structure of part a of the present invention.

Fig. 3 is a schematic structural view of the middle fixing device of the present invention.

In the figure: the air conditioner comprises a base 1, a base 2, a base angle 3, a shell 3, a hot air indicator 31, a cold air indicator 32, a cold air switch 33, a hot air switch 34, a power switch 35, a temperature adjusting knob 4, an upper cover 41, an air hole 5, a sealing plug 6, an air pipe 61, a first pipe 62, a second pipe 63, a third pipe 64, an air hole 7, a fixing device 71, an elastic block 72, a spring 73, a groove 8 and an elastic block notch.

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.

Referring to fig. 1 to 2, the drying device comprises a base 1, a bottom corner 2 is fixedly arranged at the bottom end of the base 1, a shell 3 is arranged at the upper end of the base 1, a hot air indicator lamp 31 and a cold air indicator lamp 32 are arranged on the surface of the shell 3, a cold air switch 33 is arranged below the hot air indicator lamp 31, a power switch 34 is arranged below the cold air indicator lamp 32, and a temperature adjusting knob 35 is arranged on the surface of the shell 3; the upper end of the shell 3 is connected with an upper cover 4 through threads, and the upper cover 4 is provided with an air hole 41.

Referring to fig. 1, a sealing plug 5 may be threadedly coupled to the air hole 41, a vent pipe 6 may be threadedly coupled to the air hole 41, and at least one air hole 41 may be provided.

Referring to fig. 2, the snorkel 6 includes a first pipe 61, a second pipe 62, and a third pipe 63, and the first pipe 61, the second pipe 62, and the third pipe 63 are made of stainless steel; the first tube body 61, the second tube body 62 and the third tube body 63 are all provided with at least one vent hole 64; the first pipe body 61 and the second pipe body 62 are close to the pipe body port and are provided with the elastic block notch 8, the pipe diameter of the first pipe body 61 is larger than that of the second pipe body 62, and the pipe diameter of the second pipe body 62 is larger than that of the third pipe body 63.

Referring to fig. 3, the fixing device 7 is disposed in the second tube 62 and the third tube 63, the fixing device 7 includes a spring block 71, a spring 72 and a groove 73, the groove 73 is opened on the surfaces of the first tube 61 and the second tube 62, one end of the spring 72 is fixedly connected to the spring block 71, one end of the spring 72 away from the spring block 71 is fixedly connected to the inner wall of the groove 73, and the spring block 71 is made of stainless steel.

Now, the operation principle of the present invention is described as follows:

when the utility model is used, the number of the air holes 41 is adjusted according to the number of the dried test tubes, and the unused air holes 41 are plugged into the sealing plug 5 through threads; then the length of the vent pipe 6 is adjusted according to the size of the dried test tube, the vent hole 41 is connected with the vent pipe 6 through threads, the vent pipe 6 comprises a first pipe body 61, a second pipe body 62 and a third pipe body 63, the second pipe body 62 is arranged in the first pipe body 61, the third pipe body 63 is arranged in the second pipe body 62, the surfaces of the first pipe body 61 and the second pipe body 62 are provided with elastic block notches 8, the second pipe body 62 and the third pipe body 63 are provided with fixing devices 7, and the elastic blocks 71 in the fixing devices 7 can be ejected out of the elastic block notches 8 by pulling the second pipe body 62 and the third pipe body 63 to slide, so that the vent pipe 6 is stretched and fixed; the power switch 34 is then turned on to allow the hot air to flow out of the vent 64 to dry the test tube.

In the present invention, unless otherwise expressly stated or limited, the terms "sliding", "rotating", "fixed", "provided", and the like are to be understood in a broad sense, e.g. as welded connections, as bolted connections, or as integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A test tube drying device with an adjustable length of an air vent for students comprises a base (1) and is characterized in that a bottom corner (2) is fixedly arranged at the bottom end of the base (1), a shell (3) is arranged at the upper end of the base (1), a hot air indicator lamp (31) and a cold air indicator lamp (32) are arranged on the surface of the shell (3), a cold air switch (33) is arranged below the hot air indicator lamp (31), a power switch (34) is arranged below the cold air indicator lamp (32), and a temperature adjusting knob (35) is arranged on the surface of the shell (3); the upper end of the shell (3) is connected with an upper cover (4) through threads, and the upper cover (4) is provided with an air hole (41).

2. The student who uses the test tube drying device with adjustable breather pipe length of claim 1, characterized in that, can be through threaded connection sealing plug (5) in air pocket (41), can be through threaded connection breather pipe (6) in air pocket (41), air pocket (41) are set up as at least one.

3. The test tube drying device with the adjustable length for the vent tube for the students according to claim 2, wherein the vent tube (6) comprises a first tube body (61), a second tube body (62) and a third tube body (63), and the first tube body (61), the second tube body (62) and the third tube body (63) are made of stainless steel.

4. The test tube drying device with the adjustable length of the vent tube for the students according to claim 3, wherein the first tube body (61), the second tube body (62) and the third tube body (63) are all provided with vent holes (64), and at least one vent hole (64) is arranged.

5. The test tube drying device with the adjustable length of the vent tube for the students according to claim 3, wherein a fixing device (7) is arranged in the second tube body (62) and the third tube body (63), the fixing device (7) comprises a spring block (71), a spring (72) and a groove (73), the groove (73) is formed in the surfaces of the first tube body (61) and the second tube body (62), one end of the spring (72) is fixedly connected to the spring block (71), one end of the spring (72), far away from the spring block (71), is fixedly connected to the inner wall of the groove (73), and the spring block (71) is made of stainless steel.

6. The test tube drying device with the adjustable length of the vent tube for the students according to claim 3, wherein the first tube body (61) and the second tube body (62) are provided with spring block notches (8) near tube body ports, the tube diameter of the first tube body (61) is larger than that of the second tube body (62), and the tube diameter of the second tube body (62) is larger than that of the third tube body (63).