CN219104844U

CN219104844U - Combined basic burette with continuous fluid infusion function

Info

Publication number: CN219104844U
Application number: CN202222494744.6U
Authority: CN
Inventors: 刘艳丽; 李玉芳; 王敏; 张晓明
Original assignee: Wuhan Changguang Battery Co ltd
Current assignee: Wuhan Changguang Battery Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-05-30
Anticipated expiration: 2032-09-20

Abstract

The utility model belongs to the field of chemical experiment equipment, in particular to a combined basic burette with a continuous fluid infusion function, which comprises a burette body; the top end of the burette body is provided with a liquid inlet component, one side of the liquid inlet component is provided with a liquid supplementing component, the liquid inlet component comprises external threads, and the external threads are fixedly connected to the top of the burette body; through set up the external screw thread on buret body top, can make things convenient for the cap to install at the top of buret body through the internal screw thread, through set up the funnel mouth at the cap top, can be convenient for with water from the funnel mouth inflow buret, through set up annular duct and lower mouth of a river in the cap is inside, can make the alkaline solution that passes through from in the soft rubber tube and evenly follow the buret body top downflow through annular duct and lower mouth of a river to through the inflow of valve control alkaline solution, can make the buret follow closely alkaline solution, thereby solved the complex and easy problem of weeping of filling of buret.

Description

Combined basic burette with continuous fluid infusion function

Technical Field

The utility model relates to the field of chemical experimental equipment, in particular to a combined basic burette with a continuous fluid infusion function.

Background

Basic burettes are a type of titration instrument used in analytical chemistry that typically only place alkaline solutions inside and engage in alkaline solution related experiments, but not acidic solution related experiments.

Before the basic burette is used, water is usually poured into the basic burette, the basic burette stands for a period of time to check whether the basic burette leaks, and alkaline solution can be poured into the basic burette without the leakage.

When the existing basic burette is used for drip infusion, the drip is easy to leak out due to the small mouth of the burette, and the infusion process of the burette is complicated, so that the experiment speed is influenced; therefore, a combined basic burette with a continuous fluid infusion function is provided for the problems.

Disclosure of Invention

In order to make up the defects of the prior art and solve the problems in the prior art, the utility model provides a combined type basic burette with a continuous liquid supplementing function.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a combined basic burette with a continuous liquid supplementing function, which comprises a burette body; the top end of the burette body is provided with a liquid inlet component, and one side of the liquid inlet component is provided with a liquid supplementing component;

the utility model provides a liquid feeding assembly, including the external screw thread, external screw thread rigid coupling is at buret body top, external screw thread one side threaded connection has the internal screw thread, internal screw thread outer wall rigid coupling has the cap, cap center department is hollow, annular duct has been seted up to the cap inside, the mouth of a river has been seted up to annular duct bottom, the mouth of a river runs through the cap bottom down, cap top rigid coupling has the hopper mouth, the liquid supplementing assembly includes first connecting pipe, first connecting pipe rigid coupling is in cap one side, first connecting pipe is linked together with annular duct, first connecting pipe one side rigid coupling has soft rubber tube, soft rubber tube center department rigid coupling has the valve, the one end rigid coupling that first connecting pipe was kept away from to soft rubber tube has the second connecting pipe, second connecting pipe one side rigid coupling has alkali lye holding vessel.

Preferably, the cap bottom is provided with places the subassembly, place the subassembly and include L shaped plate, L shaped plate sets up in the cap bottom, L shaped plate one side has been seted up and has been placed the hole, place hole shape and buret body section unanimity, place hole width and be less than the cap, L shaped plate top rigid coupling has the diaphragm.

Preferably, the center of one side of the L-shaped plate is fixedly connected with a nut, the inner wall of the nut is in threaded connection with a screw, one side of the L-shaped plate is provided with a vertical plate, the vertical plate is smaller than the length of the screw, the height of the vertical plate is larger than that of the burette body, one side of the vertical plate is provided with a chute, the width of one side of the screw is larger than that of the chute, and the bottom of the vertical plate is fixedly connected with a bottom plate.

Preferably, the water outlet is provided with a plurality of groups and is circumferentially distributed at the bottom of the annular pipeline.

Preferably, the inner wall of the cap is fixedly connected with a waterproof pad, the waterproof pad is made of rubber, and the shape of the waterproof pad is consistent with that of the top end of the burette body.

Preferably, the top end of the transverse plate is fixedly connected with a limiting ring, the size of the inner wall of the limiting ring is consistent with that of the outer wall of the alkali liquor storage tank, and the height of the limiting ring is smaller than that of the second connecting pipe.

The utility model has the advantages that:

1. according to the utility model, the top end of the burette body is provided with the external thread, so that the cap can be conveniently arranged at the top of the burette body through the internal thread, water can conveniently flow into the burette from the funnel opening through the funnel opening arranged at the top of the cap, the alkaline solution transmitted from the soft rubber tube can uniformly flow downwards from the top of the burette body through the annular pipeline and the water outlet, and the inflow of the alkaline solution is controlled through the valve, so that the alkaline solution can be continuously supplemented in the burette, and the problems of complex filling process and easy leakage of the burette are solved.

2. According to the utility model, the L-shaped plate is provided with the placing holes, the burette body can be placed on the L-shaped plate through the cap, the alkali liquor storage tank can be placed at a position higher than the cap through the transverse plate arranged at the top end of the L-shaped plate, so that alkaline solution in the alkali liquor storage tank can be transferred into the cap through gravity, and the L-shaped plate can be moved up and down in the chute of the vertical plate through the nuts and screws, so that the height of the burette body is adjusted.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic perspective view of a first embodiment;

FIG. 2 is a schematic perspective sectional structure of the first embodiment;

FIG. 3 is an enlarged view at A of FIG. 2;

FIG. 4 is an enlarged view at B of FIG. 2;

FIG. 5 is an enlarged view at C of FIG. 2;

FIG. 6 is a schematic perspective exploded view of the first embodiment;

fig. 7 is a schematic structural diagram of a pad of the second embodiment.

In the figure: 1. a burette body; 201. an external thread; 202. an internal thread; 203. a cap; 204. an annular pipe; 205. a water outlet; 206. a funnel opening; 207. a waterproof pad; 301. a first connection pipe; 302. a soft rubber tube; 303. a valve; 304. a second connection pipe; 305. an alkali liquor storage tank; 401. an L-shaped plate; 402. placing the hole; 403. a cross plate; 404. a nut; 405. a screw; 406. a limiting ring; 5. a vertical plate; 6. a chute; 7. a bottom plate; 8. and (5) cushion blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-6, a combined basic burette with continuous fluid infusion function comprises a burette body 1; the top end of the burette body 1 is provided with a liquid inlet component, and one side of the liquid inlet component is provided with a liquid supplementing component;

the liquid inlet component comprises an external thread 201, the external thread 201 is fixedly connected to the top of a burette body 1, one side of the external thread 201 is in threaded connection with an internal thread 202, the outer wall of the internal thread 202 is fixedly connected with a cap 203, the center of the cap 203 is hollow, an annular pipeline 204 is arranged inside the cap 203, a water outlet 205 is arranged at the bottom of the annular pipeline 204, the water outlet 205 penetrates through the bottom of the cap 203, a funnel 206 is fixedly connected to the top of the cap 203, the liquid supplementing component comprises a first connecting pipe 301, the first connecting pipe 301 is fixedly connected to one side of the cap 203, the first connecting pipe 301 is communicated with the annular pipeline 204, one side of the first connecting pipe 301 is fixedly connected with a soft rubber pipe 302, the center of the soft rubber pipe 302 is fixedly connected with a valve 303, one end of the soft rubber pipe 302, which is far away from the first connecting pipe 301, is fixedly connected with a second connecting pipe 304, and one side of the second connecting pipe 304 is fixedly connected with an alkali liquor storage tank 305;

during operation, when the existing basic burette is used for pouring liquid, the mouth of the burette is small, the liquid drops are easy to leak out, the pouring process of the burette is complicated, the experimental speed is influenced, the problem that the liquid drops are easy to leak in the pouring process of the burette is solved, the external thread 201 is arranged at the top of the burette body 1, the cap 203 can be conveniently installed through the internal thread 202, the funnel port 206 is arranged at the top of the cap 203, clear water can be conveniently added into the burette body 1, whether the liquid drops are leaked out or not is checked, the alkaline solution entering from the first connecting pipe 301 flows into the burette body 1 through the annular pipeline 204 and the water outlet 205, so that the alkaline solution is added into the burette body 1, the inflow of the alkaline solution is controlled through the valve 303 arranged at the center of the soft rubber tube 302, and the second connecting pipe 304 is conveniently connected with the soft rubber tube 302 through the arrangement of the second connecting pipe 304 on one side of the alkaline liquid storage tank 305.

The bottom of the cap 203 is provided with a placement component, the placement component comprises an L-shaped plate 401, the L-shaped plate 401 is arranged at the bottom of the cap 203, one side of the L-shaped plate is provided with a placement hole 402, the shape of the placement hole 402 is consistent with the section of the burette body 1, the width of the placement hole 402 is smaller than that of the cap 203, and the top of the L-shaped plate 401 is fixedly connected with a transverse plate 403;

in operation, the burette body 1 can be placed on the L-shaped plate 401 through the cap 203 by arranging the placement hole 402 on one side of the L-shaped plate 401 in accordance with the cross section of the burette body 1, and the alkali solution storage tank 305 can be placed on the cross plate 403 by arranging the cross plate 403 on the top of the L-shaped plate 401, and the alkali solution in the alkali solution storage tank 305 can flow into the cap 203 through gravity because the position of the cross plate 403 is higher than that of the L-shaped plate 401.

A nut 404 is fixedly connected to the center of one side of the L-shaped plate 401, a screw 405 is connected to the inner wall of the nut 404 in a threaded manner, a vertical plate 5 is arranged on one side of the L-shaped plate 401, the thickness of the vertical plate 5 is smaller than the length of the screw 405, the height of the vertical plate 5 is larger than that of the buret body 1, a chute 6 is formed in one side of the vertical plate 5, the width of one side of the screw 405 is larger than that of the chute 6, and a bottom plate 7 is fixedly connected to the bottom of the vertical plate 5;

during operation, riser 5 thickness is less than the length of screw 405, can make screw 405 carry out elasticity regulation, and riser 5 highly is greater than buret body 1 can flow out height-adjusting's space for buret body 1, when the height of needs adjustment buret body 1, accessible loosen screw 405 makes L shaped plate 401 can adjust the upper and lower position, after adjusting the position, accessible screw 405 and nut 404 screw up the height of fixing L shaped plate 401 to be convenient for adjust buret body 1's height.

The water drain ports 205 are arranged in a plurality of groups and are circumferentially distributed at the bottom of the annular pipeline 204;

in operation, the plurality of sets of water drains 205 can enable the alkaline solution entering from the first connecting pipe 301 to flow out from the plurality of sets of water drains 205 through conduction of the annular pipeline 204 after entering the cap 203, so that the alkaline solution uniformly flows downwards from the top of the burette body 1.

A waterproof pad 207 is fixedly connected to the inner wall of the cap 203, the waterproof pad 207 is made of rubber, and the shape of the waterproof pad 207 is consistent with that of the top end of the burette body 1;

in operation, the shape of the waterproof pad 207 is consistent with the top end of the burette body 1, so that the waterproof pad 207 can be attached to the top end of the burette body 1, and a waterproof leakage effect is provided between the burette body 1 and the cap 203.

A limiting ring 406 is fixedly connected to the top end of the transverse plate 403, the size of the inner wall of the limiting ring 406 is consistent with that of the outer wall of the alkali liquor storage tank 305, and the height of the limiting ring 406 is smaller than that of the second connecting pipe 304;

in operation, by arranging the limiting ring 406 at the top end of the transverse plate 403, the alkali liquor storage tank 305 can be placed in the limiting ring 406, the alkali liquor storage tank 305 can be prevented from being displaced on the transverse plate 403, and the limiting ring 406 is smaller than the second connecting pipe 304 in height, so that the influence on the operation of the second connecting pipe 304 can be avoided.

Example two

Referring to fig. 7, in a first comparative example, as another embodiment of the present utility model, a pad 8 is fixedly connected to the bottom of the bottom plate 7, and the pad 8 is arranged in four groups and symmetrically distributed at the bottom of the bottom plate 7; in operation, the cushion block 8 is beneficial to providing shock absorption and stability for the bottom of the bottom plate 7.

The working principle is that in order to solve the problem that the filling process of the burette is complicated and easy to leak, the cap 203 can be conveniently installed through the internal thread 202 by arranging the external thread 201 on the top of the burette body 1, the waterproof pad 207 can provide a waterproof leakage effect between the burette body 1 and the cap 203, clear water can be conveniently added into the burette body 1 by arranging the funnel opening 206 on the top of the cap 203 so as to check whether the burette body 1 leaks, the alkaline solution entering from the first connecting pipe 301 can flow out from the plurality of groups of the water outlets 205 through the conduction of the annular pipeline 204 after entering the cap 203, so that the alkaline solution uniformly flows downwards from the top of the burette body 1, the alkaline solution is added into the burette body 1, the valve 303 is arranged at the center of the soft rubber pipe 302, the inflow of the alkaline solution can be controlled through the switch of the valve 303, and the second connecting pipe 304 is arranged on one side of the alkaline solution storage tank 305 so as to be convenient to be connected with the soft rubber pipe 302;

through setting up the hole 402 of placing that is unanimous with buret body 1 section in L shaped plate 401 one side, can place buret body 1 on L shaped plate 401 through cap 203, through setting up diaphragm 403 at L shaped plate 401 top, can place lye holding vessel 305 on diaphragm 403, through setting up spacing ring 406 at diaphragm 403 top, can make lye holding vessel 305 place in spacing ring 406, can prevent lye holding vessel 305 from producing the displacement on diaphragm 403, because diaphragm 403 position is higher than L shaped plate 401, can make the inside alkaline solution of lye holding vessel 305 flow into cap 203 through gravity, when the height of buret body 1 needs to be adjusted, the accessible loosens screw 405, make L shaped plate 401 can adjust the upper and lower position, after the adjustment position, the accessible is screwed down with screw 405 and nut 404 and is fixed L shaped plate 401's height, thereby be convenient for adjust buret body 1's height.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a combination formula area continuous fluid infusion function's basic buret which characterized in that: comprises a burette body (1); the top end of the burette body (1) is provided with a liquid inlet component, and one side of the liquid inlet component is provided with a liquid supplementing component;

the utility model provides a liquid feeding assembly, including external screw thread (201), external screw thread (201) rigid coupling is at buret body (1) top, external screw thread (201) one side threaded connection has internal screw thread (202), internal screw thread (202) outer wall rigid coupling has cap (203), cap (203) center department is hollow, annular duct (204) have been seted up to cap (203) inside, lower mouth (205) have been seted up to annular duct (204) bottom, lower mouth (205) run through cap (203) bottom, cap (203) top rigid coupling has hopper mouth (206), the liquid supplementing assembly includes first connecting pipe (301), first connecting pipe (301) rigid coupling is in cap (203) one side, first connecting pipe (301) are linked together with annular duct (204), first connecting pipe (301) one side rigid coupling has soft rubber tube (302), soft rubber tube (302) center department rigid coupling has valve (303), soft rubber tube (302) keep away from one end rigid coupling of first connecting pipe (301) and have second connecting pipe (304), second connecting pipe (305) one side rigid coupling has alkali lye storage tank (305).

2. The combination type basic burette with continuous fluid infusion function as set forth in claim 1, wherein: the utility model discloses a buret body, including cap (203), cap (203) bottom is provided with places the subassembly, place the subassembly and include L shaped plate (401), L shaped plate (401) set up in cap (203) bottom, L shaped plate one side has been seted up and has been placed hole (402), place hole (402) shape and buret body (1) section unanimous, place hole (402) width and be less than cap (203), L shaped plate (401) top rigid coupling has diaphragm (403).

3. The combination type basic burette with continuous fluid infusion function as set forth in claim 2, wherein: the utility model discloses a buret body, including L shaped plate (401) and spout (6), L shaped plate (401) one side center department rigid coupling has nut (404), nut (404) inner wall threaded connection has screw (405), L shaped plate (401) one side is provided with riser (5), riser (5) thickness is less than the length of screw (405), riser (5) highly are greater than buret body (1), spout (6) have been seted up to riser (5) one side, screw (405) one side width is greater than the width of spout (6), riser (5) bottom rigid coupling has bottom plate (7).

4. A combination basic burette with continuous fluid replacement as claimed in claim 3 wherein: the water outlet (205) is provided with a plurality of groups and is circumferentially distributed at the bottom of the annular pipeline (204).

5. The combination type basic burette with continuous fluid infusion function of claim 4, wherein: waterproof pad (207) is fixedly connected to the inner wall of the cap (203), the waterproof pad (207) is made of rubber, and the shape of the waterproof pad (207) is consistent with that of the top end of the burette body (1).

6. The combination type basic burette with continuous fluid infusion function of claim 5, wherein: and a limiting ring (406) is fixedly connected to the top end of the transverse plate (403), the size of the inner wall of the limiting ring (406) is consistent with that of the outer wall of the alkali liquor storage tank (305), and the height of the limiting ring (406) is smaller than that of the second connecting pipe (304).