CN213446194U

CN213446194U - Laboratory is with constant temperature and pressure dropping funnel

Info

Publication number: CN213446194U
Application number: CN202021644136.3U
Authority: CN
Inventors: 许常河
Original assignee: Anhui Haotian Biotechnology Co ltd
Current assignee: Anhui Haotian Biotechnology Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-06-15
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a laboratory is with constant temperature and pressure dropping funnel relates to laboratory glassware technical field. The utility model discloses a funnel body, constant voltage pipe, fill lid, dropping liquid pipe and constant temperature water tank. The constant-temperature water tank is communicated with the funnel body by arranging the constant-pressure pipe into a spiral structure, so that the problems that the liquid is easy to leak from the constant-pressure pipe, the temperature control structure is complicated to arrange and the operation is inconvenient are solved; the liquid in the funnel body is prevented from leaking out of the constant pressure pipe, and the accuracy of the experiment is improved; the first connecting pipe, the constant temperature water tank, the heating rod and the temperature detection device are arranged, so that the temperature control of the funnel body is more convenient.

Description

Laboratory is with constant temperature and pressure dropping funnel

Technical Field

The utility model belongs to the technical field of the laboratory glassware, especially, relate to a laboratory is with constant temperature and pressure dropping funnel.

Background

The dropping funnel is a glass device which is frequently used in the chemical experiment process and can realize the dropping of liquid reactant or reactant solution, is a funnel which can not cause gas leakage when adding liquid, can control the reaction rate through the speed of controlling the dropping liquid and can also be arranged on a reaction device to be used as the dropping liquid. The existing dropping funnel is generally small and does not have the functions of constant temperature and constant pressure, and when the reaction liquid is too much or the reaction needs specific temperature and air pressure, the existing dropping funnel is difficult to be applied.

Chinese patent with grant publication number CN208218389U discloses a constant pressure dropping funnel, which is accurate in dropping amount and reduces errors in experiments by arranging a constant pressure pipe on the dropping funnel body. However, this device has the following problems: the upper end horizontal connection of constant voltage pipe is on the upper portion of dropping funnel body, and when needs oscillation or removal dropping funnel, the liquid in the dropping funnel spills from the constant voltage pipe easily, spills from the drain pipe, influences the accuracy of experiment to make dirty the test bench easily.

Chinese patent with grant publication number CN208888677U discloses a novel constant temperature and pressure dropping funnel, which is provided with an outer wall of the funnel, an inner container of the funnel, a constant pressure tube, a temperature detector and a temperature control device, so as to control the temperature and pressure of the reaction liquid, ensure the conditions of constant temperature and pressure and avoid other impurities from being mixed into the reaction liquid, and save manpower and material resources. However, this device has the following problems:

1. the water pump is provided with a water inlet pipe, a water outlet pipe, a water suction pump, a water tank, a temperature detector and a temperature control device, and is complex in structure and inconvenient to use.

2. The upper end horizontal connection of constant voltage pipe is on the upper portion of the dropping funnel body, and when needs oscillation or removal dropping funnel, the liquid in the dropping funnel spills from the constant voltage pipe easily, spills from the drain pipe, influences the accuracy of experiment.

3. The scale mark sets up on the inner bag, when observing liquid level height, need see through the scale mark on the outer wall sees the inner bag, has the error, and is accurate inadequately.

Therefore, a constant temperature and pressure dropping funnel for a laboratory is needed to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laboratory is with constant temperature and constant pressure dropping funnel through set the constant voltage pipe to helical structure, communicate constant temperature water tank and funnel body mutually, has solved current problem liquid and has spilt, the temperature control structure sets up complicated problem from the constant voltage pipe easily.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a laboratory is with constant temperature and pressure dropping funnel, including funnel body, constant voltage pipe, fill lid, dropping liquid pipe and constant temperature water tank, its characterized in that: a liquid inlet is formed in the top end of the funnel body; the liquid inlet is matched with the bucket cover; the funnel body consists of an outer wall and an inner container, and a water channel is formed between the outer wall and the inner container; the lower part of the outer wall is fixedly connected with the first communicating pipe; the dropping liquid pipe is fixedly connected with the bottom end of the funnel body; a cock cavity is arranged on the dropping liquid pipe; the cock cavity is matched with the cock core; the upper end of the constant-pressure pipe is fixedly connected to the upper part of the inner container; the lower end of the constant-pressure pipe is fixedly connected to the dropping liquid pipe; the constant-temperature water tank is fixedly connected with the funnel body through a first communicating pipe; a rubber plug is arranged at the top of the constant-temperature water tank; a heating rod and a temperature detection device are arranged in the constant-temperature water tank; and the first communicating pipe is provided with a control valve.

Further, the upper end of the constant-pressure pipe is of a spiral structure.

Further, the number of spiral turns of the spiral structure is 1-3.

Furthermore, a liquid baffle plate is arranged at the interface between the upper end of the constant-pressure pipe and the inner container; the liquid baffle plates are arranged in a staggered mode.

Furthermore, the outer side surface of the constant temperature water tank is provided with measuring range scale marks.

The utility model discloses following beneficial effect has:

1. the utility model discloses to the problem that this internal liquid of funnel leaks from the constant voltage outside of tubes easily, set helical structure to the upper end of constant voltage pipe to set up the fender liquid board in the upper end of constant voltage pipe and inner bag kneck, avoided this internal liquid of funnel to leak from the constant voltage outside of tubes, improved the accuracy of experiment.

2. The utility model discloses the temperature control structure to current constant temperature and pressure funnel is too complicated, and inconvenient operation's problem has set up first connecting pipe, constant temperature water tank, heating rod, temperature-detecting device for it is more convenient to the temperature control of funnel body.

3. The utility model discloses set up the scale mark constant temperature water tank's lateral surface, it is more convenient to observe the liquid level.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a constant temperature and pressure dropping funnel for a laboratory according to the present invention;

fig. 2 is a schematic structural view of the liquid baffle of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the automatic temperature control device comprises a hopper body 1, a constant pressure pipe 2, a hopper cover 3, a dropping liquid pipe 4, a constant temperature water tank 5, a liquid inlet 6, a cock cavity 7, a cock core 8, a first communication pipe 9, a control valve 10, a heating rod 11, a temperature detection device 12, a range scale mark 13, a rubber plug 14, an outer wall 101, an inner container 102, a spiral structure 201 and a liquid baffle 202.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "top", "outer", "inner", "upper", "outer" and the like refer to positional or orientational relationships and are used merely for convenience of description and to simplify the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-2, the utility model relates to a laboratory is with constant temperature and pressure dropping funnel, including funnel body 1, constant voltage pipe 2, fill lid 3, dropping liquid pipe 4 and constant temperature water tank 5, its characterized in that: a liquid inlet 6 is arranged at the top end of the funnel body 1; the liquid inlet 6 is matched with the bucket cover 3; the funnel body 1 consists of an outer wall 101 and an inner container 102, and a water channel is formed between the outer wall 101 and the inner container 102; the lower part of the outer wall 101 is fixedly connected with the first communicating pipe 9; the dropping liquid pipe 4 is fixedly connected with the bottom end of the funnel body 1; a cock cavity 7 is arranged on the dropping tube 4; the cock cavity 7 is matched with the cock core 8; the upper end of the constant pressure pipe 2 is fixedly connected with the upper part of the inner container 102; the upper end of the constant-pressure pipe 2 is of a spiral structure 201; the number of spiral turns of the spiral structure 201 is 1-3; a liquid baffle plate 202 is arranged at the interface between the upper end of the constant-pressure pipe 2 and the liner 102; the liquid baffle plates 202 are arranged in a staggered manner; the lower end of the constant-pressure pipe 2 is fixedly connected to the dropping liquid pipe 4; the constant temperature water tank 5 is fixedly connected with the funnel body 1 through a first communicating pipe 9; a rubber plug 14 is arranged at the top of the constant temperature water tank 5; a heating rod 11 and a temperature detection device 12 are arranged in the constant-temperature water tank 5; the first communicating pipe 9 is provided with a control valve 10; the outer side surface of the constant temperature water tank 5 is provided with a measuring range scale mark 13.

One specific application of this embodiment is:

opening a top cover, pouring liquid into the funnel body 1, covering the top cover, pouring clear water into the constant-temperature water tank 5, connecting a power supply to a heating rod 11, heating the clear water, controlling the water temperature according to the display of a temperature detection device 12, opening a control valve 10, enabling the clear water to flow into a water channel between the outer wall 101 and the inner container 102, and enabling the height of the liquid level in the water channel to be consistent with the height of the liquid level of the constant-temperature water tank 5 according to the principle of a communicating vessel; therefore, the liquid level in the water channel can be accurately controlled by observing the measuring range scale mark 13 on the outer side surface of the constant-temperature water tank 5; so that the liquid in the funnel body 1 keeps constant temperature and the operation is simple.

Helical structure 201 and the fender liquid board 202 of the upper end setting of constant voltage pipe 2 for when removing or the vibration dropping funnel, liquid can not leak outward, has guaranteed the accuracy of experiment.

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 preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A constant-temperature and constant-pressure dropping funnel for a laboratory comprises a funnel body (1), a constant-pressure pipe (2), a funnel cover (3), a dropping liquid pipe (4) and a constant-temperature water tank (5);

the method is characterized in that:

a liquid inlet (6) is formed in the top end of the funnel body (1); the liquid inlet (6) is matched with the bucket cover (3);

the funnel body (1) consists of an outer wall (101) and an inner container (102), and a water channel is formed between the outer wall (101) and the inner container (102); the lower part of the outer wall (101) is fixedly connected with a first communicating pipe (9);

the dropping liquid pipe (4) is fixedly connected with the bottom end of the funnel body (1); a cock cavity (7) is arranged on the dropping tube (4); the cock cavity (7) is matched with the cock core (8);

the upper end of the constant-pressure pipe (2) is fixedly connected to the upper part of the inner container (102); the lower end of the constant-pressure pipe (2) is fixedly connected to the dropping liquid pipe (4);

the constant-temperature water tank (5) is fixedly connected with the funnel body (1) through a first communicating pipe (9); a rubber plug (14) is arranged at the top of the constant-temperature water tank (5); a heating rod (11) and a temperature detection device (12) are arranged in the constant-temperature water tank (5); and a control valve (10) is arranged on the first communicating pipe (9).

2. The laboratory constant-temperature and constant-pressure dropping funnel according to claim 1, characterized in that the upper end of the constant-pressure tube (2) is a spiral structure (201).

3. The laboratory constant temperature and pressure dropping funnel according to claim 2, wherein the spiral structure (201) has 1-3 spiral turns.

4. The laboratory constant-temperature and constant-pressure dropping funnel according to claim 3, wherein a liquid baffle plate (202) is arranged at the interface of the upper end of the constant-pressure pipe (2) and the inner container (102); the liquid baffle plates (202) are arranged in a staggered mode.

5. The laboratory constant-temperature and constant-pressure dropping funnel according to claim 1, 2 or 4, characterized in that the outer side of the constant-temperature water tank (5) is provided with range scale lines (13).