CN218359372U

CN218359372U - Burette rack

Info

Publication number: CN218359372U
Application number: CN202222708816.2U
Authority: CN
Inventors: 罗春雨
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-01-24
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses a burette rack, including the base station with be fixed in the stand on the base station, the stand can carry out vertical flexible, detachable fixed mounting has the rich font support that is horizontal setting on the stand, rich font support can follow the stand and go up and down, be equipped with on the rich font support and run through the rich font of its upper and lower terminal surface and lead to the groove, rich font leads to the inslot and installs the moving part that can follow its removal, installs the hold assembly who is used for centre gripping buret on the moving part, the hold assembly can carry out the level deflection. The utility model can effectively meet the requirement of carrying out titration for a plurality of times under the same condition aiming at the same standard solution and the solution to be measured, and can transfer other burettes which do not participate in the titration to a non-titration area through simple moving operation in the titration process, and is very convenient without repeated disassembly and assembly operation on the basis of avoiding causing interference and misoperation; on the other hand, the storage requirement of the laboratory on the burette can be met.

Description

Burette rack

Technical Field

The utility model relates to an experimental apparatus technical field specifically is a burette rack.

Background

In the laboratory, burettes are the primary meters used in titrimetric methods. The titrimetric method is a method in which a standard solution having a known and accurate concentration is dropped into a solution to be measured (or the solution to be measured is dropped into the standard solution) until the added standard solution and the solution to be measured quantitatively react in a stoichiometric relationship, then the volume consumed by the standard solution is measured, and the content of a substance to be measured is calculated from the concentration of the standard solution and the volume consumed.

The prior burette rack generally comprises an iron stand table and a butterfly clamp, the two sides of the butterfly clamp can be used for clamping (fixing) the vertical burette, namely, only two burettes can be clamped once, and the daily storage requirement of a laboratory on the burette can not be met. In addition, in order to improve the accuracy of titration analysis, in the same titration analysis process, multiple titrations are often required to be performed on the same standard solution and the solution to be measured under the same condition, so that experimenters can simultaneously compare and observe the reaction process and the result in the multiple titration process, obtain multiple sets of data, and perform comparative analysis. The prior burette stand can only provide two times of titration meeting the above conditions, and obviously can not effectively meet the requirement of carrying out more than two times of titration simultaneously.

Therefore, the chinese utility model patent with publication number CN210846447U discloses a scalable burette rack, and the burette rack that its specifically adopted is parallelogram extending structure, and the outside of each side of this parallelogram extending structure all is connected with the burette fixation clamp, can once only a plurality of burettes of clamping to this can satisfy the daily storage demand to the burette of laboratory, still is favorable to practicing thrift the space during the shrink. Furthermore, it is envisioned that the developed burette rack is capable of performing multiple titrations simultaneously under the same conditions for the same standard solution and test solution.

However, in actual use, particularly after the burette is clamped under full load, since the burette itself is a long and thin glass tube, when contraction is performed, the adjacent burettes are further close to each other, and easily collide with each other, thereby causing chipping. In addition, although the distance between the burette frames after being unfolded can be pulled apart, in order to avoid causing interference and misoperation, other burettes which do not participate in titration nearby need to be transferred to a non-titration area, so that the burettes need to be disassembled and then clamped again, and the operation is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects and shortcomings in the prior art, and providing a burette stand which, on one hand, meets the requirement of carrying out multiple titrations on the same standard solution and the solution to be measured under the same condition, and in the titration process, other burettes which do not participate in the titration can be transferred to a non-titration area through simple moving operation, thereby avoiding repeated disassembly and assembly operations on the basis of avoiding causing interference and misoperation; on the other hand, the storage requirement of the laboratory on the burette is met.

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

the utility model provides a burette rack, includes the base station and is fixed in the stand on the base station, its characterized in that: the stand can carry out vertical flexible, detachable fixed mounting has the rich font support that is horizontal setting on the stand, rich font support can follow the stand goes up and down, be equipped with the rich font that runs through its upper and lower terminal surface on the rich font support and lead to the groove, rich font lead to the inslot and install the moving part that can follow its removal, the last clamping part who is used for centre gripping buret of installing of moving part, clamping part can carry out the level and deflect.

Furthermore, the upright column comprises a tubular column body fixedly connected to the base station and a support column fixedly sleeved in the tubular column body.

Furthermore, one side of the upper end of the tubular column body is provided with a first screw hole penetrating through the side wall of the tubular column body, a first locking bolt is screwed, the end part of the first locking bolt abuts against one side of the support column, and the support column is fixed in the tubular column body.

Furthermore, the shape of the Chinese character feng is that the support comprises an annular mounting seat and a Chinese character feng support body respectively fixedly connected to two sides of the annular mounting seat, and the annular mounting seat is detachably and fixedly installed on the support column.

Furthermore, a slot is formed in one side of the annular mounting seat, two extending seats are fixedly connected to the two sides of the slot on the outer wall of the annular mounting seat correspondingly, second screw holes are formed in the two extending seats, second locking bolts are screwed into the two second screw holes, the two extending seats are abutted to each other to seal the slot, and the annular mounting seat is fixedly sleeved on the supporting column.

Furthermore, the moving part comprises an upper limiting block and a lower limiting block which respectively correspond to and move along the upper end surface and the lower end surface of the support body in the shape of the Chinese character feng, a connecting column is fixedly connected between the upper limiting block and the lower limiting block, and the connecting column can move along the through groove in the shape of the Chinese character feng.

Furthermore, the clamping part comprises a sleeve fixedly connected to the upper limiting block, a vertical rod is fixedly sleeved in the sleeve, and a pipe clamp is fixedly connected to one side of the vertical rod.

Furthermore, one side of the sleeve is provided with a third screw hole penetrating through the side wall of the sleeve and screwed with a third locking bolt, the third locking bolt is screwed, and the end part of the third locking bolt abuts against one side of the upright rod to fix the upright rod in the sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a rich font support, it leads to the groove to set up rich font on rich font support, the movable part that can follow its removal is installed in the groove to rich font, and install the hold assembly who is used for centre gripping buret on the movable part, movable part and hold assembly all are equipped with a plurality ofly, can effectively satisfy the needs that carry out many times titration simultaneously under the same condition to same standard solution and measured solution on the one hand, be convenient for the experimenter contrast simultaneously observe carry out the reaction process among the titration process many times, and the result, obtain multiunit data, carry out contrastive analysis, can improve the accuracy of titration analysis with this, and in titration process, can shift other burets that do not participate in the titration to the non-titration region through simple mobile operation, on the basis of avoiding causing interference and maloperation, need not repeatedly to carry out the dismouting operation, and great convenience; on the other hand, the storage requirement of the laboratory on the burette can be met.

2. The utility model discloses the stand that adopts can carry out vertical flexible, and rich font support can follow the stand and go up and down, can satisfy the buret to different length and save and the needs of titrating.

3. The utility model has the advantages that the Chinese character feng-shaped bracket is detachably and fixedly arranged on the upright post, on one hand, the requirement that the Chinese character feng-shaped bracket can be lifted along the upright post is met on the basis of realizing the fixed installation of the Chinese character feng-shaped bracket; on the other hand, when not in use, the bracket in the shape of Chinese character feng can be detached and stored separately, so that the space can be saved.

4. The utility model discloses the clamping part that adopts can carry out the level and deflect, and at the in-process that leads to the groove and remove along rich font, can deflect by artificial control according to moving path, on the basis of guaranteeing that the buret of clamping is located the outside of rich font support, can not collide with rich font support because of the change with rich font support relative position to this can avoid the buret to take place cracked.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the bracket of the utility model.

Fig. 3 is a schematic structural view of the middle moving part and the upper clamping part of the present invention.

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, a burette rack, including base station 1 and the stand 2 that is fixed in on the base station 1, stand 2 can carry out vertical flexible, detachable fixed mounting has the rich font support 3 that is horizontal setting on the stand 2, rich font support 3 can follow stand 2 and go up and down, be equipped with on the rich font support 3 and run through its upper and lower terminal surface rich font logical groove 4, rich font is led to and is installed the moving part 5 that can follow its removal in the groove 4, install the clamping component 6 that is used for centre gripping buret (not shown in the figure, the same down) on the moving part 5, clamping component 6 can carry out the horizontal deflection.

Note that the moving member 5 and the holding member 6 are provided in plural numbers, and only two moving members 5 and holding members 6 are illustrated in fig. 1 and 2.

In the utility model, the upright post 2 comprises a tubular post body 21 fixedly connected to the base station 1 and a support post 22 fixedly sleeved in the tubular post body 21.

In the present invention, one side of the upper end of the tubular column 21 is provided with a first screw hole (not shown) penetrating the side wall thereof and a first locking bolt 7 screwed thereon.

Thus, by tightening the first locking bolt 7, the end of the first locking bolt 7 abuts against one side of the supporting column 22, that is, the supporting column 22 is locked, so that the supporting column 22 is fixed in the tubular column 21. Through loosening the first locking bolt 7, remove the locking to support column 22, can reciprocate support column 22, realize the lift of feng font support 3 to this satisfies the needs of storing and titrating the buret of different length.

The utility model discloses in, rich font support 3 is including annular mount pad 31 and difference fixed connection in the rich font support body 32 of annular mount pad 31 both sides, and annular mount pad 31 detachable fixed mounting is on support column 22.

The utility model discloses in, one side of annular installation seat 31 is equipped with cracks, corresponds two extension seats 33 of fixedly connected with respectively in the both sides of cracking on the outer wall of annular installation seat 31, all is equipped with the second screw on two extension seats 33 (not shown in the figure).

Therefore, after the second locking bolts 8 are screwed into the two second screw holes, the two extension seats 33 are abutted to seal the slot, so that the annular mounting seat 31 is fixedly sleeved on the supporting column 22, namely the bracket 3 shaped like a Chinese character feng is fixed on the supporting column 22. After screwing out the second locking bolt 8 or screwing out at least one second screw hole from the second locking bolt 8, the seam is opened slightly, so that the annular mounting seat 31 is slightly expanded, the annular mounting seat 31 can move up and down, and the bracket 3 shaped like a Chinese character feng can lift along the upright post 2.

The utility model discloses in, moving part 5 is including corresponding the last spacing piece 51 and the spacing piece 52 down that moves along the upper and lower terminal surface of rich font support body 32 respectively, goes up fixedly connected with spliced pole 53 between spacing piece 51 and the spacing piece 52 down, and the spliced pole 53 can be followed rich font and led to groove 4 and remove.

Therefore, the upper limiting block 51 and the lower limiting block 52 respectively move along the upper end face and the lower end face of the Chinese character feng-shaped support body 32 and the connecting column 53 moves along the Chinese character feng-shaped through groove 4, so that the moving part 5 moves along the Chinese character feng-shaped through groove 4 and cannot be separated from the Chinese character feng-shaped through groove 4.

The utility model discloses in, hold assembly 6 is fixed the cover including fixed connection in the sleeve pipe 61 on last spacing block 51, and the pole setting 62 is equipped with to the fixed cover in the sleeve pipe 61, one side fixedly connected with pipe clamp 63 of pole setting 62.

In the present invention, one side of the sleeve 61 is provided with a third screw hole (not shown in the figure) penetrating through the side wall thereof and is screwed with a third locking bolt 9.

Thus, by tightening the third locking bolt 9, the end of the third locking bolt 9 abuts against one side of the upright 62, that is, the upright 62 is locked, and the upright 62 is fixed in the sleeve 61. By loosening the third locking bolt 9, the vertical rod 62 is unlocked, namely the vertical rod 62 is horizontally rotated, so that the horizontal rotation of the clamping part 6 is realized, the deflection of the clamping part is manually controlled according to the moving path, and the clamped burette cannot collide with the bracket 3 in the shape of the Chinese character feng due to the change of the relative position of the burette and the bracket 3 in the shape of the Chinese character feng on the basis of ensuring that the burette is positioned at the outer side of the bracket 3 in the shape of the Chinese character feng, so that the burette can be prevented from being cracked.

The invention is further described with reference to the following drawings:

when the burette is stored, according to the burette with different lengths, on one hand, the first locking bolt 7 can be loosened to release the locking of the supporting column 22, the supporting column 22 is moved up and down to realize the lifting of the bracket 3 in the shape like Chinese character feng relative to the base platform 1, after the proper height is adjusted, the first locking bolt 7 is screwed again to ensure that the end part of the first locking bolt 7 is abutted against one side of the supporting column 22, namely, the supporting column 22 is locked, and the supporting column 22 is fixed in the tubular column body 21; on the other hand, after the second locking bolt 8 can be screwed out or at least the second locking bolt 8 is screwed out to form a second screw hole, the seam is slightly opened, the annular mounting seat 31 is slightly expanded, the annular mounting seat 31 can move up and down, the bracket 3 shaped like a Chinese character feng is lifted along the upright post 2, the second locking bolt 8 is screwed in again after the height is adjusted to be proper, the two extending seats 33 are abutted, the seam is sealed, the annular mounting seat 31 is fixedly sleeved on the supporting post 22, and the bracket 3 shaped like a Chinese character feng is fixed on the supporting post 22.

Then, each moving part is moved along the Chinese character feng-shaped through groove 4 to be respectively moved to each selected position, and then the burette is clamped on the pipe clamp 63.

When the same standard solution and the solution to be measured are titrated for a plurality of times under the same condition, each moving part is moved along the Chinese character feng-shaped through groove 4, each titration tube participating in titration is moved to a titration area, other titration tubes not participating in titration are transferred to a non-titration area, and therefore the repeated disassembly and assembly operation of the titration tubes is not needed on the basis of avoiding interference and misoperation.

In the process of moving each moving part along the Chinese character feng-shaped through groove 4, the third locking bolt 9 is unscrewed, the locking of the vertical rod 62 is released, namely the vertical rod 62 is horizontally rotated, so that the deflection of the vertical rod is manually controlled according to the moving path, on the basis of ensuring that the clamped burette is positioned at the outer side of the Chinese character feng-shaped support 3, the burette cannot collide with the Chinese character feng-shaped support 3 due to the change of the relative position of the burette and the Chinese character feng-shaped support 3, namely, the pipe clamp 63 always faces the outer side of the Chinese character feng-shaped support 3, and the burette can be prevented from being cracked.

Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.

Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all the equivalent changes made within the scope of the claims of the present application are the protection scope of the claims of the present application.

Claims

1. The utility model provides a burette frame, includes the base station and is fixed in the stand on the base station, its characterized in that: the stand can carry out vertical flexible, detachable fixed mounting has the rich font support that is horizontal setting on the stand, rich font support can follow the stand goes up and down, be equipped with the rich font that runs through its upper and lower terminal surface on the rich font support and lead to the groove, rich font lead to the inslot and install the moving part that can follow its removal, the last clamping part who is used for centre gripping buret of installing of moving part, clamping part can carry out the level and deflect.

2. A burette rack according to claim 1, wherein: the upright column comprises a tubular column body fixedly connected to the base station and a support column fixedly sleeved in the tubular column body.

3. A burette rack according to claim 2, wherein: one side of the upper end of the tubular column body is provided with a first screw hole penetrating through the side wall of the tubular column body, a first locking bolt is screwed, the end part of the first locking bolt abuts against one side of the supporting column, and the supporting column is fixed in the tubular column body.

4. A burette rack according to claim 2, wherein: the bumper is characterized in that the bumper bracket comprises an annular mounting seat and bumper bracket bodies which are respectively and fixedly connected to two sides of the annular mounting seat, and the annular mounting seat is detachably and fixedly mounted on the supporting column.

5. A burette rack according to claim 4, wherein: one side of the annular mounting seat is provided with a slit, two extending seats are fixedly connected to the two sides of the slit on the outer wall of the annular mounting seat correspondingly, second screw holes are formed in the two extending seats, second locking bolts are screwed into the two second screw holes, the two extending seats are abutted to each other to seal the slit, and the annular mounting seat is fixedly sleeved on the supporting column.

6. A burette rack according to claim 4, wherein: the movable part comprises an upper limiting block and a lower limiting block which respectively move along the upper end face and the lower end face of the Chinese character feng-shaped support body, a connecting column is fixedly connected between the upper limiting block and the lower limiting block, and the connecting column can move along the Chinese character feng-shaped through groove.

7. A burette rack according to claim 6, wherein: the clamping part comprises a sleeve fixedly connected to the upper limiting block, a vertical rod is fixedly sleeved in the sleeve, and a pipe clamp is fixedly connected to one side of the vertical rod.

8. A burette rack according to claim 7, wherein: and a third screw hole penetrating through the side wall of the sleeve is formed in one side of the sleeve, a third locking bolt is screwed, the end part of the third locking bolt abuts against one side of the upright rod, and the upright rod is fixed in the sleeve.