CN211612757U

CN211612757U - Burette for chemical industry inspection

Info

Publication number: CN211612757U
Application number: CN202020083685.1U
Authority: CN
Inventors: 王永健; 陈海元
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-10-02
Anticipated expiration: 2030-01-15

Abstract

The utility model discloses a burette is used in chemical industry inspection, include first burette main part, press the compression leg and support the pole, the bottom and the second burette bulk phase of first burette main part are connected, and the lower terminal surface of first burette main part is fixed with the sealing ring, the top of first burette main part is connected with the stopcock, it runs through the stopcock and is connected with the ejector pad to press the compression leg, it runs through the stopcock side and is connected with the threaded sleeve to support the pole, and the threaded sleeve setting is in the left and right sides of pressing the compression leg, the preceding terminal surface of first burette main part and the preceding terminal surface of second burette main part all are provided with the scale. This burette for chemical industry inspection has drawn solution back, and manual twisting moves the pole that supports to drive the screw sleeve and remove and be close to each other, hug closely on pressing the post until the screw sleeve, constitute threaded connection mechanism between pressing post and the screw sleeve, when rotating and pressing the post, can slowly move down according to the post, the discharge amount of scale control solution is observed to the accessible simultaneously, conveniently makes the discharged solution volume more accurate.

Description

Burette for chemical industry inspection

Technical Field

The utility model particularly relates to a chemical industry inspection correlation technique field specifically is a burette for chemical industry inspection.

Background

The chemical examination comprises the quality examination of industrial sodium carbonate, the quality examination of solid sodium hydroxide, the quality examination of cement, the identification of industrial benzoic acid, the quality examination of ethyl acetate, the examination of vitamin C and acetaminophen in vitamin C Yinqiao tablets, the examination of arsenic and lead content in cosmetics and the like, and a dropper is needed to be used in the examination process of various chemical products.

The prior dropper is easy to have larger error in the process of discharging the solution, and the device can not be thoroughly cleaned after being used, so that the next use is influenced, the use is not convenient enough, and the prior device needs to be improved aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a burette for chemical industry inspection to solve the current burette that proposes among the above-mentioned background art and easily appear great error at the in-process of discharge solution, and the device can not obtain thorough washing after using, thereby influence its problem of next use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a burette for chemical industry inspection, includes first burette main part, presses the post and supports the pole, the bottom and the second burette main part of first burette main part are connected, and the lower terminal surface of first burette main part is fixed with the sealing ring, and the sealing ring is connected with the up end of second burette main part simultaneously, the top of first burette main part is connected with the stopcock, it runs through the stopcock and is connected with the ejector pad to press the post, it runs through the stopcock side and is connected with the screw sleeve to support the pole, and the screw sleeve setting is in the left and right sides of pressing the post, the preceding terminal surface of first burette main part and the preceding terminal surface of second burette main part all are provided with the scale.

The liquid drop tube comprises a first drop tube body, a second drop tube body, a pipe plug, a threaded sleeve and a pressing column, wherein the first drop tube body is connected with the second drop tube body in a threaded mode, the second drop tube body is connected with the sealing ring in a clamping mode, the sealing ring can enhance connection between the first drop tube body and the second drop tube body, the pipe plug is connected with the first drop tube body in a threaded mode, the pressing column is connected with the threaded sleeve in a threaded mode, the bottom of the pressing column is rotatably connected with a push block, when the pressing column is screwed manually, the pressing column can slowly move downwards under the action of the threaded sleeve, and therefore the discharging amount of solution is more accurate, the pressing rod is connected with the pipe plug in a threaded mode, the pressing rod is rotatably connected with the threaded sleeve, the two pressing rods and the threaded sleeve are arranged, and the two pressing rods and the two threaded sleeves are symmetrically arranged.

Compared with the prior art, the beneficial effects of the utility model are that: the burette for chemical inspection is provided with a dropper,

(1) the sealing ring is arranged, the connection between the first dropper main body and the second dropper main body can be enhanced by the sealing ring, and the first dropper main body and the second dropper main body can be cleaned separately by unscrewing the second dropper main body after the work is finished, so that the cleaning effect is conveniently improved;

(2) the second dropper body is placed in the solution, and the solution can be drawn into the first dropper body and the second dropper body after the pressing column is manually pulled upwards, so that the solution extraction work is conveniently finished;

(3) be provided with and press the post, support the pole, threaded sleeve and scale, after having drawed solution, manual twisting moves and supports the pole to drive threaded sleeve and remove and be close to each other, hug closely on pressing the post until threaded sleeve, constitute threaded connection mechanism between pressing post and the threaded sleeve, when rotating and pressing the post, press the post and can slowly move down, the discharge amount of scale control solution is observed to the accessible simultaneously, conveniently makes the discharged solution volume more accurate.

Drawings

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

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

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. the dropper comprises a first dropper main body, a second dropper main body, a sealing ring, a pipe plug, a pressing column, a pushing block, a pushing rod, a pressing rod, a threaded sleeve and scales, wherein the first dropper main body is 2, the second dropper main body is 3, the sealing ring is 4, the pipe plug is 5, the pressing column is 6, the pushing block is 7, the pushing rod is 8.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a chemical industry is burette for inspection, the bottom of first burette main part 1 is connected with second burette main part 2, and the lower terminal surface of first burette main part 1 is fixed with sealing ring 3, sealing ring 3 is connected with the up end of second burette main part 2 simultaneously, the top of first burette main part 1 is connected with stopcock 4, it is connected with ejector pad 6 to run through stopcock 4 with pressing post 5, it runs through stopcock 4 side and is connected with threaded sleeve 8 to support the pole 7, and threaded sleeve 8 sets up in the left and right sides of pressing post 5, the preceding terminal surface of first burette main part 1 and the preceding terminal surface of second burette main part 2 all are provided with scale 9.

Specifically, threaded connection is adopted between the first dropper main body 1 and the second dropper main body 2, the second dropper main body 2 and the sealing ring 3 are in clamping connection, after the first dropper main body 1 and the second dropper main body 2 are screwed together, the sealing ring 3 is clamped and fixed on the second dropper main body 2, connection between the first dropper main body 1 and the second dropper main body 2 is conveniently enhanced, and therefore tightness of the device is improved.

Specifically, the pipe plug 4 is in threaded connection with the first dropper body 1, and the inside of the first dropper body 1 can be cleaned after the work is finished and the pipe plug 4 is removed.

Specifically, press for threaded connection between post 5 and the threaded sleeve 8, and press and be connected for rotating between the bottom of post 5 and the ejector pad 6, when manual twisting was pressed post 5, press post 5 and can be in the slow downstream under threaded sleeve 8's effect, make the discharge amount of solution more accurate, conveniently improve the device's reliability.

Specifically, the abutting rod 7 is in threaded connection with the pipe plug 4, the abutting rod 7 is in rotational connection with the threaded sleeve 8, and after the solution is extracted, the abutting rod 7 can be manually screwed to drive the threaded sleeve 8 to move left and right and approach each other until the threaded sleeve 8 and the pressing column 5 are tightly attached together, so that the subsequent solution can be conveniently discharged.

Specifically, support pole 7 and threaded sleeve 8 and all be provided with two, and two support pole 7 and two threaded sleeve 8 all symmetry settings, threaded sleeve 8 with press post 5 to hug closely together after, when manually twisting and pressing post 5, press post 5 can be in the effect of threaded sleeve 8 slow downstream to this reaches the purpose of reducing the error.

The working principle is as follows: when the dropper for chemical inspection is used, the first dropper main body 1 and the second dropper main body 2 are screwed together, the sealing ring 3 is clamped and fixed on the second dropper main body 2, so that the purpose of connection reinforcement is achieved, the second dropper main body 2 is placed in a specified solution, the pressing column 5 is pulled upwards manually, the pressing column 5 is attached to the inner part of the first dropper main body 1 and the inner wall of the second dropper main body 2, the solution is pumped into the first dropper main body 1 and the second dropper main body 2, so that the solution extraction work is completed, the device is placed at a required place, the abutting rod 7 is screwed manually, so that the threaded sleeves 8 are driven to move and approach each other until the threaded sleeves 8 cling to the pressing column 5, the pressing column 5 is in threaded connection with the threaded sleeves 8, the pressing column 5 is rotated manually, the pressing column 5 slowly moves downwards under the action of the threaded sleeves 8, meanwhile, the discharge amount of the solution is controlled by observing the scales 9, after the work is finished, the pipe plug 4 is unscrewed, and then the second dropper body 2 is unscrewed from the first dropper body 1, so that the first dropper body 1 and the second dropper body 2 can be conveniently cleaned separately, and the whole work is finished, and the content which is not described in detail in the specification belongs to the prior art which is well known by persons skilled in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a chemical industry is burette for inspection, includes first burette main part (1), presses post (5) and supports pole (7), its characterized in that: the bottom of the first dropper body (1) is connected with the second dropper body (2), the sealing ring (3) is fixed on the lower end face of the first dropper body (1), the sealing ring (3) is connected with the upper end face of the second dropper body (2), the top of the first dropper body (1) is connected with the pipe plug (4), the pressing column (5) penetrates through the pipe plug (4) and is connected with the push block (6), the abutting rod (7) penetrates through the side face of the pipe plug (4) and is connected with the threaded sleeve (8), the threaded sleeve (8) is arranged on the left side and the right side of the pressing column (5), and scales (9) are arranged on the front end face of the first dropper body (1) and the front end face of the second dropper body (2).

2. The dropper for chemical engineering inspection according to claim 1, wherein: the first dropper main body (1) is in threaded connection with the second dropper main body (2), and the second dropper main body (2) is in clamping connection with the sealing ring (3).

3. The dropper for chemical engineering inspection according to claim 1, wherein: the pipe plug (4) is in threaded connection with the first dropper main body (1).

4. The dropper for chemical engineering inspection according to claim 1, wherein: the pressing column (5) is in threaded connection with the threaded sleeve (8), and the bottom of the pressing column (5) is in rotary connection with the push block (6).

5. The dropper for chemical engineering inspection according to claim 1, wherein: the abutting rod (7) is in threaded connection with the pipe plug (4), and the abutting rod (7) is in rotational connection with the threaded sleeve (8).

6. The dropper for chemical engineering inspection according to claim 1, wherein: the two abutting rods (7) and the two threaded sleeves (8) are arranged, and the two abutting rods (7) and the two threaded sleeves (8) are symmetrically arranged.