CN217561431U

CN217561431U - Special titration apparatus for chemical analysis

Info

Publication number: CN217561431U
Application number: CN202221700129.XU
Authority: CN
Inventors: 杨旭东; 孙荣厚; 单义桁; 张凯婷; 杜晶
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-10-11
Anticipated expiration: 2032-07-04

Abstract

The utility model provides a special titration outfit of chemical analysis belongs to chemistry experiment instrument technical field to glass easily bumps impairedly when solving current chemical analysis and titrating, shakes the great problem of even process intensity of labour, include: the device comprises an experiment table top, a dropper bracket, a drip chamber supporting block, an experiment burette, a drip chamber, a glass conical bottle and a shaking bracket; the lower end of the dropper bracket is arranged in the middle of the rear side of the experiment table board; the drip trough supporting block is placed in the middle of the experiment table top; the experimental burette is provided with a plurality of groups, and the plurality of groups of experimental burettes are fixedly connected with the outer side of the upper part of the burette bracket through a clamping mechanism; the titration groove is movably connected to the upper end of the titration groove supporting block; the glass conical bottles are provided with a plurality of groups, and the groups of glass conical bottles are arranged on the inner side of the titration tank; the lower ends of the two groups of shaking supports are fixedly connected to the middle part of the inner side of the titration groove; the utility model discloses better protection the laboratory glassware, reduced operating personnel's intensity of labour.

Description

Special titration apparatus for chemical analysis

Technical Field

The utility model belongs to the technical field of chemistry experiment instrument, more specifically say, in particular to special titration outfit of chemical analysis.

Background

Chemical analysis refers to a method for determining chemical components or compositions of substances, and during chemical analysis, quantitative analysis and measurement of components in liquid are required, titration experiment is required, a titration device is required during titration experiment, and a commonly used titration device is provided with a burette and the like.

Based on the aforesaid, in the current titration experiment process, can use more glassware, on the glassware puts the experiment desktop, take inconvenient and easy bump damage, the liquid medicine drops can lead to the experiment mesa to pollute and corrode on falling the experiment mesa during titration, titrating the experimentation, the experimenter needs the continuous liquid medicine of carrying on to shake evenly, shake even process and occupy both hands, influence other experimental operation, and long-time shake even can cause the experimenter hand fatigue, intensity of labour is great.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a titration apparatus dedicated for chemical analysis is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a special titration outfit of chemical analysis to glass easily bumps and impairs when solving current chemical analysis and titrating, shakes the great problem of even process intensity of labour.

The utility model discloses special titration outfit's of chemical analysis purpose and efficiency are reached by following specific technological means:

a titration apparatus for chemical analysis, comprising: the device comprises an experiment table top, a dropper bracket, a drip chamber supporting block, an experiment burette, a drip chamber, a glass conical bottle and a shaking bracket; the lower end of the dropper bracket is arranged in the middle of the rear side of the experiment table board; the drip trough supporting block is placed in the middle of the experiment table board; the experimental burette is provided with a plurality of groups, and the plurality of groups of experimental burettes are fixedly connected with the outer side of the upper part of the burette bracket through a clamping mechanism; the titration groove is movably connected to the upper end of the titration groove supporting block; the glass conical bottles are provided with a plurality of groups, and the groups of glass conical bottles are arranged on the inner side of the titration tank; the shaking support is provided with two groups, and the lower ends of the two groups of shaking supports are fixedly connected to the middle part of the inner side of the titration tank.

Further, the burette bracket comprises: the dropper comprises a dropper clamping frame, a clamping fixing block and a fixing bolt; the burette clamping frame is rotationally connected to the upper part of the burette bracket, and the experimental burette is fixedly connected to the outer end of the burette clamping frame; the clamping fixing block is fixedly connected to the upper end of the dropper bracket; the fixing bolt is inserted in the clamping fixing block.

Further, the drip trough supporting block comprises: a guide rod and an adjusting screw rod; the lower end of the guide rod is fixedly connected to the left end of the drip groove supporting block; the lower end of the adjusting screw is rotatably connected to the right end of the drip trough supporting block; the titration vessel includes: adjusting the thread block and the conical bottle fixing seat; the adjusting thread block is fixedly connected to the upper end of the right side panel of the titration tank, and the adjusting thread block is in threaded connection with the adjusting screw rod; the glass conical flask fixing seat is arranged on the inner side of the glass conical flask fixing seat.

Further, the shaking support comprises: a tray wire and a conical bottle tray; the tray suspension wire is a linear element made of flexible materials, and the upper end of the tray suspension wire is fixedly connected to the lower end of the shaking support; the conical bottle tray is fixedly connected to the lower end of the tray suspension wire.

Further, the shaking support further comprises: the clamping device comprises a clamping slide block, a clamping guide rod, a clamping spring, a clamping plate, a shaking suspender and a shaking spring; the clamping slide block is connected to the inner side of the upper end of the shaking support in a sliding manner; the inner end of the clamping guide rod is fixedly connected to the clamping sliding block, and the outer end of the clamping guide rod is slidably connected to the upper end of the shaking bracket; one end of the clamping spring is fixedly connected to the clamping sliding block, and the other end of the clamping spring is fixedly connected to the inner side of the upper end of the shaking support; the clamping plate is of a plate-shaped structure with an arc-shaped groove, and the outer end of the clamping plate is rotatably connected to the inner end of the clamping slide block; the rocking hanger rods are provided with a plurality of groups, and one end of each rocking hanger rod is fixedly connected to the upper side end face and the lower side end face of the rocking support respectively; rock the spring and be provided with the multiunit, the multiunit rocks spring one end fixed connection and rocks on the jib, rocks jib other end fixed connection and at the left end and the right-hand member of grip block.

Further, the shaking support further comprises: a splint connecting column and a splint connecting block; the clamping plate connecting block is fixedly connected to the left side of the upper end face of the group of clamping plates on the rear side; the front end of the clamping plate connecting column is fixedly connected to the left side of the upper end face of the group of clamping plates on the front side, and the clamping plate connecting column is connected to the inner side of the clamping plate connecting column in a sliding mode.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses be provided with burette support, when needing to titrate different medicines, rotate the burette holding frame, make corresponding experiment burette rotate front side burette holding frame rotational design, promoted the dropwise convenience of different medicines, and the structure is compacter, practices thrift the space.

The utility model discloses be provided with the titration tank, titrate the groove and shelter from in the below of experiment buret, when the liquid medicine drops the outside, the liquid medicine drops and titrates the inslot, and then prevents that the liquid medicine from polluting and corroding the experiment mesa, and the glass erlenmeyer flask is placed at the erlenmeyer flask fixing base inboardly, prevents that the glass erlenmeyer flask from empting the collision, has promoted experimental apparatus's security.

The utility model discloses be provided with and rock the support, rock the support and can assist the staff to shake the liquid medicine in the glass erlenmeyer flask and shake evenly, need not rock the glass erlenmeyer flask with the hand long time in titrating the in-process experiment, and then liberated experimenter's hand, intensity of labour when having reduced the experimenter and experimenting.

The utility model provides the convenience of the operation of chemical analysis titration has been promoted, the laboratory glassware has better been protected, operating personnel's intensity of labour has been reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the drip tube support structure of the present invention.

Fig. 3 is a schematic diagram of the titration cell structure of the present invention.

Fig. 4 is a schematic view of the shaking support structure of the present invention.

Fig. 5 is a schematic view of the single-side rocking support structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an experiment table; 2. a dropper bracket; 201. a dropper holding rack; 202. clamping a fixed block; 203. fixing the bolt; 3. a drip tank supporting block; 301. a guide bar; 302. adjusting the screw rod; 4. an experimental burette; 5. a titration tank; 501. adjusting the thread block; 502. a conical flask fixing seat; 6. a glass conical flask; 7. shaking the bracket; 701. a pallet suspension wire; 702. a erlenmeyer flask tray; 703. clamping the sliding block; 704. clamping the guide rod; 705. a clamping spring; 706. a clamping plate; 707. shaking the suspender; 708. shaking the spring; 709. a splint connecting column; 710. a splint connecting block.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like 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 should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment is as follows:

as shown in figures 1 to 5:

the utility model provides a special titration outfit of chemical analysis, include: the device comprises an experiment table top 1, a dropper bracket 2, a drip chamber supporting block 3, an experiment burette 4, a drip chamber 5, a glass conical bottle 6 and a shaking bracket 7; the lower end of the dropper bracket 2 is arranged in the middle of the rear side of the experiment table board 1; the drip trough supporting block 3 is arranged in the middle of the experiment table board 1; the experimental burette 4 is provided with a plurality of groups, the experimental burette 4 is fixedly connected with the outer side of the upper part of the burette bracket 2 through a clamping mechanism, and the experimental burette 4 is a measuring instrument commonly used for titration experiments; the titration tank 5 is movably connected with the upper end of the titration tank supporting block 3; a plurality of groups of glass conical flasks 6 are arranged, the groups of glass conical flasks 6 are arranged on the inner side of the titration tank 5, and the glass conical flasks 6 are reaction vessels commonly used for titration experiments; rock support 7 and be provided with two sets ofly, two sets ofly rock support 7 lower extreme fixed connection at the 5 inboard middle parts in titration tank.

Wherein, burette support 2 is including: a dropper clamping frame 201, a clamping fixing block 202 and a fixing bolt 203; the burette holding frame 201 is rotatably connected to the upper part of the burette bracket 2, and the experimental burette 4 is fixedly connected to the outer end of the burette holding frame 201; the clamping fixing block 202 is fixedly connected to the upper end of the dropper bracket 2; the fixed bolt 203 is inserted on the clamping fixed block 202; in the use, when different medicines need to be titrated, the burette clamping frame 201 is rotated, the corresponding experiment burette 4 is rotated to the front side, the fixing bolt 203 is inserted into the burette clamping frame 201 and the clamping fixing block 202, the burette clamping frame 201 is fixed, the burette clamping frame 201 is rotatably designed, the convenience of dripping different medicines is improved, the structure is more compact, and the space is saved.

Wherein, drip groove supporting shoe 3 is including: a guide rod 301 and an adjusting screw 302; the lower end of the guide rod 301 is fixedly connected with the left end of the drip trough supporting block 3; the lower end of the adjusting screw 302 is rotatably connected to the right end of the drip trough supporting block 3; the titration vessel 5 includes: an adjusting thread block 501 and a conical flask fixing seat 502; the adjusting thread block 501 is fixedly connected to the upper end of the right panel of the titration tank 5, and the adjusting thread block 501 is in threaded connection with the adjusting screw 302; the conical bottle fixing seats 502 are of a cylindrical structure, a plurality of groups of conical bottle fixing seats 502 are arranged, the groups of conical bottle fixing seats 502 are fixedly connected to the inner side of the titration trough 5, and the glass conical bottles 6 are placed on the inner side of the conical bottle fixing seats 502; in the use, rotating adjusting screw 302, adjusting screw 302 drives titration tank 5 and goes up and down, and then the height of adjustment glass erlenmeyer flask 6, the lower extreme distance that makes glass erlenmeyer flask 6 and experiment buret 4 satisfies the experiment requirement, glass erlenmeyer flask 6 is placed at erlenmeyer flask fixing base 502 inboardly, prevent that glass erlenmeyer flask 6 from empting and glass erlenmeyer flask 6 takes conveniently, promote the security of laboratory glassware and the convenience that the instrument was taken, titration tank 5 shelters from the below at experiment buret 4, when the medicine liquid drops the outside, the liquid medicine drops in titration tank 5, and then prevent that the liquid medicine from polluting and corroding laboratory table face 1.

Wherein, rock support 7 including: a pallet sling 701 and a erlenmeyer flask pallet 702; the tray suspension wire 701 is a linear element made of flexible material, and the upper end of the tray suspension wire 701 is fixedly connected to the lower end of the shaking support 7; the conical flask tray 702 is fixedly connected to the lower end of the tray suspension wire 701; in the use, when titrating the operation, glass erlenmeyer flask 6 is placed at erlenmeyer flask tray 702 inboardly, when guaranteeing 6 lower extremes of glass erlenmeyer flask ability horizontal hunting, prevents that glass erlenmeyer flask 6 from dropping, has promoted laboratory glassware's security.

Wherein, rocking support 7 still includes: a clamping slider 703, a clamping guide rod 704, a clamping spring 705, a clamping plate 706, a shaking boom 707, and a shaking spring 708; the clamping slide block 703 is connected to the inner side of the upper end of the shaking support 7 in a sliding manner; the inner end of the clamping guide rod 704 is fixedly connected to the clamping slide block 703, and the outer end of the clamping guide rod 704 is slidably connected to the upper end of the shaking bracket 7; one end of a clamping spring 705 is fixedly connected to the clamping slide block 703, and the other end of the clamping spring 705 is fixedly connected to the inner side of the upper end of the shaking support 7; the clamping plate 706 is of a plate-shaped structure with an arc-shaped groove, and the outer end of the clamping plate 706 is rotatably connected with the inner end of the clamping slide block 703; a plurality of groups of shaking suspenders 707 are arranged, and one end of each shaking suspender 707 is fixedly connected to the upper end surface and the lower end surface of the shaking support 7 respectively; the shaking springs 708 are provided with a plurality of groups, one ends of the plurality of groups of shaking springs 708 are fixedly connected to the shaking suspender 707, and the other end of the shaking suspender 707 is fixedly connected to the left end and the right end of the clamping plate 706; in the use process, a group of clamping guide rods 704 on the front side is pulled outwards, the clamping guide rods 704 drive the clamping plates 706 to slide outwards, the necks of the glass conical flasks 6 are placed at the arc-shaped grooves of the two groups of clamping plates 706, after the clamping guide rods 704 are loosened, the two groups of clamping plates 706 are clamped at the necks of the glass conical flasks 6, the left sides or the right sides of the clamping plates 706 are rotated, the clamping plates 706 swing left and right under the action of the swinging springs 708, the clamping plates 706 drive the glass conical flasks 6 to swing left and right, liquid medicine in the glass conical flasks 6 is swung evenly, the glass conical flasks 6 do not need to be shaken by hands for a long time in the titration process, hands of experimenters are liberated, and the labor intensity of the experimenters during the experiment is reduced.

Wherein, rocking support 7 still includes: a clamp plate connecting column 709 and a clamp plate connecting block 710; the clamping plate connecting block 710 is fixedly connected to the left side of the upper end face of the rear group of clamping plates 706; the front end of the clamping plate connecting column 709 is fixedly connected to the left side of the upper end face of the front group of clamping plates 706, and the clamping plate connecting column 709 is connected to the inner side of the clamping plate connecting column 709 in a sliding manner; in the use, when the grip block 706 slided to the front side, two sets of grip blocks 706 linked together through splint spliced pole 709, and then prevented that two sets of grip blocks 706 from taking place the dislocation, and then promoted the practicality of device.

The specific use mode and function of the embodiment are as follows:

when different medicines need to be titrated, the burette clamping frame 201 is rotated, the corresponding experimental burette 4 is rotated to the front side, the fixing bolt 203 is inserted into the burette clamping frame 201 and the clamping fixing block 202, and the burette clamping frame 201 is further fixed, the burette clamping frame 201 is rotationally designed, the dripping convenience of different medicines is improved, the structure is more compact, and the space is saved; the adjusting screw 302 is rotated, the adjusting screw 302 drives the titration groove 5 to lift, and then the height of the glass conical bottle 6 is adjusted, so that the distance between the lower ends of the glass conical bottle 6 and the experimental burette 4 meets the experimental requirements, the glass conical bottle 6 is placed on the inner side of the conical bottle fixing seat 502, the glass conical bottle 6 is prevented from toppling, the glass conical bottle 6 is convenient to take, the safety of an experimental instrument and the convenience of taking the instrument are improved, the titration groove 5 is shielded below the experimental burette 4, when liquid medicine drops fall to the outer side, the liquid medicine drops into the titration groove 5, and the liquid medicine is prevented from polluting and corroding the experimental table board 1; during titration, the glass conical flask 6 is placed on the inner side of the conical flask tray 702, so that the glass conical flask 6 is prevented from falling off while the lower end of the glass conical flask 6 can swing left and right, and the safety of an experimental instrument is improved; the front group of clamping guide rods 704 are pulled outwards, the clamping guide rods 704 drive the clamping plates 706 to slide outwards, the neck of the glass conical flask 6 is placed at the arc-shaped groove of the two groups of clamping plates 706, after the clamping guide rods 704 are loosened, the two groups of clamping plates 706 are clamped at the neck of the glass conical flask 6, the left side or the right side of the clamping plates 706 are rotated, the clamping plates 706 swing left and right under the action of the shaking springs 708, the clamping plates 706 drive the glass conical flask 6 to swing left and right, and further the liquid medicine in the glass conical flask 6 is shaken uniformly, the glass conical flask 6 does not need to be shaken by hands in the titration process, so that the hands of an experimenter are liberated, and the labor intensity of the experimenter during the experiment is reduced; when the clamping plates 706 slide to the front side, the two sets of clamping plates 706 are connected together through the clamping plate connecting column 709, and then the two sets of clamping plates 706 are prevented from being dislocated, and further the practicability of the device is improved.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The titration apparatus special for chemical analysis is characterized in that: the method comprises the following steps: an experiment table top (1), a burette bracket (2), a drip chamber supporting block (3), an experiment burette (4), a titration chamber (5), a glass conical bottle (6) and a shaking bracket (7); the lower end of the burette bracket (2) is arranged in the middle of the rear side of the experiment table board (1); the drip trough supporting block (3) is placed in the middle of the experiment table top (1); the experimental burette (4) is provided with a plurality of groups, and the experimental burette (4) is fixedly connected with the outer side of the upper part of the burette bracket (2) through a clamping mechanism; the titration groove (5) is movably connected to the upper end of the titration groove supporting block (3); the glass conical bottles (6) are provided with a plurality of groups, and the groups of glass conical bottles (6) are arranged on the inner side of the titration tank (5); the shaking supports (7) are arranged in two groups, and the lower ends of the two groups of shaking supports (7) are fixedly connected to the middle of the inner side of the titration groove (5).

2. The titration apparatus for chemical analysis according to claim 1, wherein: the burette bracket (2) comprises: a dropper clamping frame (201), a clamping fixing block (202) and a fixing bolt (203); the burette clamping frame (201) is rotatably connected to the upper part of the burette bracket (2), and the experimental burette (4) is fixedly connected to the outer end of the burette clamping frame (201); the clamping fixing block (202) is fixedly connected to the upper end of the dropper bracket (2); the fixing bolt (203) is inserted on the clamping fixing block (202).

3. The titration apparatus for chemical analysis according to claim 1, wherein: drip groove supporting shoe (3) including: a guide rod (301) and an adjusting screw (302); the lower end of the guide rod (301) is fixedly connected to the left end of the drip trough supporting block (3); the lower end of the adjusting screw rod (302) is rotatably connected to the right end of the drip trough supporting block (3); the titration vessel (5) comprises: an adjusting thread block (501) and a conical bottle fixing seat (502); the adjusting thread block (501) is fixedly connected to the upper end of the right side plate of the titration groove (5), and the adjusting thread block (501) is in threaded connection with the adjusting screw (302); the glass conical flask fixing seat (6) is placed on the inner side of the conical flask fixing seat (502).

4. The titration apparatus for chemical analysis according to claim 1, wherein: the shaking support (7) comprises: a pallet sling (701) and a erlenmeyer flask pallet (702); the tray suspension wire (701) is a linear element made of flexible materials, and the upper end of the tray suspension wire (701) is fixedly connected to the lower end of the shaking support (7); the conical bottle tray (702) is fixedly connected to the lower end of the tray suspension wire (701).

5. The titration apparatus for chemical analysis according to claim 1, wherein: the shaking support (7) further comprises: the clamping device comprises a clamping sliding block (703), a clamping guide rod (704), a clamping spring (705), a clamping plate (706), a shaking hanging rod (707) and a shaking spring (708); the clamping slide block (703) is connected to the inner side of the upper end of the shaking bracket (7) in a sliding manner; the inner end of the clamping guide rod (704) is fixedly connected to the clamping sliding block (703), and the outer end of the clamping guide rod (704) is slidably connected to the upper end of the shaking support (7); one end of the clamping spring (705) is fixedly connected to the clamping sliding block (703), and the other end of the clamping spring (705) is fixedly connected to the inner side of the upper end of the shaking support (7); the clamping plate (706) is of a plate-shaped structure with an arc-shaped groove, and the outer end of the clamping plate (706) is rotatably connected to the inner end of the clamping sliding block (703); a plurality of groups of shaking suspenders (707) are arranged, and one end of each shaking suspender (707) is fixedly connected to the upper end face and the lower end face of the shaking support (7) respectively; the shaking springs (708) are provided with multiple groups, one ends of the shaking springs (708) are fixedly connected to the shaking hanging rods (707), and the other ends of the shaking hanging rods (707) are fixedly connected to the left end and the right end of the clamping plate (706).

6. The titration apparatus for chemical analysis according to claim 5, wherein: the shaking support (7) further comprises: a splint connecting column (709) and a splint connecting block (710); the clamping plate connecting block (710) is fixedly connected to the left side of the upper end face of the rear group of clamping plates (706); splint spliced pole (709) front end fixed connection is in the up end left side of a set of grip block of front side (706), and splint spliced pole (709) sliding connection is inboard at splint spliced pole (709).