CN219518896U

CN219518896U - Glass buret convenient to fix

Info

Publication number: CN219518896U
Application number: CN202320293600.6U
Authority: CN
Inventors: 倪晓暘
Original assignee: Shanghai Youni Chemical Co ltd
Current assignee: Shanghai Youni Chemical Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-08-15
Anticipated expiration: 2033-02-23

Abstract

The utility model relates to the technical field of chemical instruments, in particular to a glass burette convenient to fix, which comprises a burette main body, a knob and a slide bar, wherein anti-slip sheets are arranged on two sides of the burette main body, a clamping plate is arranged on one side of the anti-slip sheets away from the burette main body, a connecting rod is arranged on one side of the clamping plate away from the anti-slip sheets, a second connecting block is arranged at one end of the connecting rod away from the clamping plate, a threaded rod penetrates through the slide bar, the knob and the slide bar are arranged, the knob rotates, the slide bar is driven by the threaded rod to slide, the clamping rod is driven by the slide bar to slide by the second connecting block, the clamping plate is matched with the anti-slip sheets to approach the burette main body, the burette main body can be clamped by the clamping plates on two sides of the burette main body, the burette is prevented from falling off from the burette stand during experiments, the knob and the slide bar is not easy to deform, and the burette can be used for a long time.

Description

Glass buret convenient to fix

Technical Field

The utility model relates to the technical field of chemical instruments, in particular to a glass burette convenient to fix.

Background

Burettes are the primary measuring devices used in titrimetry and can be divided into two types: the utility model provides an acid buret, another kind is basic buret, the main part pipe shaft of buret is by the even glass pipe that has accurate scale of internal diameter, the glass cock of lower extreme connection control liquid outflow speed or contain the latex tube of glass pearl, a sharp mouth glass pipe is reconnected to the bottom, the buret is the common chemical instrumentation in laboratory, people are when using the buret to carry out acid-base titration experiment, because the buret main part is longer, need fix it on the buret for convenient operation and reading, the buret that current laboratory used mostly adopts the buret clamp, butterfly clamp takes place deformation easily after long-term use its inner structure, lead to it unable clamp the buret, can appear the buret and drop from the buret during the experiment, lead to it to drop to the operation panel, produce and break, influence experimental process.

Disclosure of Invention

Aiming at the problems in the prior art, a glass burette convenient to fix is provided.

The specific technical scheme is as follows:

the utility model provides a glass buret convenient to fix, includes buret main part, knob and slide bar, the both sides of buret main part are equipped with antiskid sheet, antiskid sheet keeps away from one side of buret main part is equipped with the splint, the splint is kept away from one side of antiskid sheet is equipped with the connecting rod, the connecting rod is kept away from one end of splint is equipped with the second joint piece, one side of second joint piece is equipped with the slide bar, the slide bar is kept away from one end of second joint piece is equipped with the fixture block, the inside threaded rod that runs through of slide bar, the one end of threaded rod is equipped with the knob, one side of knob is equipped with first joint piece, the draw-in groove has been seted up to inside of first joint piece, one side of first joint piece is equipped with the bracing piece, the bottom of bracing piece is equipped with the operation panel.

Preferably, the bottom of the supporting rod is fixedly connected to the top of the operating platform, and one side of the first connecting block is fixedly connected to one side of the supporting rod.

Preferably, the clamping block is located inside the first connecting block, the sliding rod is slidably connected to the inner wall of the first connecting block, one end of the sliding rod is fixedly connected to one side of the clamping block, and the clamping block is slidably connected to the inner wall of the first connecting block through the clamping groove.

Preferably, the threaded rod penetrates through the sliding rod and is in threaded connection with the sliding rod, one end of the threaded rod penetrates through the first connecting block and is movably connected with the first connecting block, and the other end of the threaded rod is fixedly connected with one side of the knob.

Preferably, one side of the clamping plate is fixedly connected with one end of the connecting rod, one side of the antiskid sheet is fixedly connected with the other side of the clamping plate, and the clamping plates are symmetrically distributed.

Preferably, one end of the connecting rod far away from the clamping plate is fixedly connected with one end of the second connecting block, the connecting rod is symmetrically distributed at the upper end and the lower end of the second connecting block, and the second connecting block is in a symmetrical distribution mode.

Preferably, one second connecting block is fixedly connected to one side of the first connecting block, and the other second connecting block is fixedly connected to one end of the sliding rod.

The technical scheme has the following advantages or beneficial effects:

1. through having set up knob and slide bar, rotatory knob, the knob passes through the threaded rod and drives the slide bar and slide, and the slide bar passes through the second and links up the connecting rod and drive splint slip, and splint cooperation antiskid sheet is close to buret main part, screws the knob, can press from both sides tight buret main part of splint and antiskid sheet through buret main part both sides, drops from buret frame when avoiding the experiment, prevents to appear because of the broken circumstances that leads to delaying experimental process of buret that drops, and the knob is difficult for taking place deformation with the slide bar, can long-term use.

2. Through having set up the knob, the user drives the slide bar through rotatory knob, can cooperate the threaded rod to slide, and slide bar cooperation second links up the piece and passes through the connecting rod and drive splint slip, links up the connecting rod and drives splint cooperation antiskid sheet and be close to buret main part, screws the knob, can press from both sides tight buret main part, easy operation, convenient to use person fixes the buret main part fast.

Drawings

Embodiments of the present utility model will now be described more fully with reference to the accompanying drawings. The drawings, however, are for illustration and description only and are not intended as a definition of the limits of the utility model.

FIG. 1 is a schematic view of a glass burette body with convenient fixation;

FIG. 2 is an enlarged view of a conveniently fixed glass burette of the present utility model at A;

FIG. 3 is a cross-sectional view of a conveniently secured glass burette of the present utility model wherein the first connector assembly;

FIG. 4 is an enlarged view of a conveniently fixed glass burette of the present utility model at B;

the above reference numerals denote: burette main body 1, knob 2, slide bar 3, operation panel 4, bracing piece 5, first joint piece 6, second joint piece 7, joint rod 8, splint 9, non-slip sheet 10, threaded rod 11, fixture block 12, draw-in groove 13.

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.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.

Referring to figures 1-4, a glass burette convenient to fix comprises a burette main body 1, a knob 2 and a slide bar 3, wherein anti-slip sheets 10 are arranged on two sides of the burette main body 1, a clamping plate 9 is arranged on one side, away from the burette main body 1, of the anti-slip sheets 10, a connecting rod 8 is arranged on one side, away from the anti-slip sheets 10, of the clamping plate 9, a second connecting block 7 is arranged on one end, away from the clamping plate 9, of the connecting rod 8, a slide bar 3 is arranged on one side, away from the second connecting block 7, of the slide bar 3, a clamping block 12 is arranged on one end, away from the second connecting block 7, of the slide bar 3, a threaded rod 11 is arranged in a penetrating manner, one end of the threaded rod 11 is provided with a knob 2, one side of the knob 2 is provided with a first connecting block 6, a clamping groove 13 is formed in the first connecting block 6, one side of first joint piece 6 is equipped with bracing piece 5, the bottom of bracing piece 5 is equipped with operation panel 4, through having set up knob 2 and slide bar 3, rotatory knob 2, knob 2 drives slide bar 3 through threaded rod 11 and slides, slide bar 3 passes through the second joint piece 7 control joint pole 8 and drives splint 9 and slide, splint 9 cooperation antiskid sheet 10 is close to buret main part 1, screw knob 2, splint 9 and antiskid sheet 10 clamp buret main part 1 through buret main part 1 both sides, drop from the buret frame during the experiment is avoided, prevent to appear because of the broken circumstances that leads to delaying experimental process of buret that drops, and knob 2 and slide bar 3 are difficult for taking place deformation, but long-term use.

Further, the bottom fixed connection of bracing piece 5 is at the top of operation panel 4, one side fixed connection of first joint piece 6 is in one side of bracing piece 5, operation panel 4 is used for providing the atress point position for bracing piece 5, and operation panel 4 has certain weight, prevent that buret main part 1 from toppling over when being fixed, whole device appears, operation panel 4 is used for the user to place the erlenmeyer flask simultaneously, bracing piece 5 is used for providing the atress point position for first joint piece 6, refer to fig. 1, first joint piece 6 is connected with bracing piece 5 through the fastener.

Further, the clamping block 12 is located inside the first connecting block 6, the sliding rod 3 is slidably connected to the inner wall of the first connecting block 6, one end of the sliding rod 3 is fixedly connected to one side of the clamping block 12, the clamping block 12 is slidably connected to the inner wall of the first connecting block 6 through the clamping groove 13, the clamping block 12 is matched with the clamping groove 13 to limit the sliding rod 3, the sliding rod 3 moves linearly when sliding on the inner wall of the first connecting block 6, and meanwhile the sliding rod 3 is kept in a horizontal state.

Further, the threaded rod 11 penetrates through the sliding rod 3 to be in threaded connection with the sliding rod, one end of the threaded rod 11 penetrates through the first connecting block 6 to be in movable connection with the first connecting block, the other end of the threaded rod 11 is fixedly connected to one side of the knob 2, the knob 2 provides a stress point for the hand of a user, and the knob 2 can drive the sliding rod 3 to slide through the threaded rod 11 after being rotated.

Further, one side fixed connection at the one end of linking pole 8 of splint 9, one side fixed connection at the opposite side of splint 9 of antiskid sheet 10, splint 9 are symmetrical distribution form, refer to fig. 2, splint 9 are arc splint, antiskid sheet 10 is used for increasing the frictional force between buret main part 1 and the splint 9, makes buret main part 1 by the more firm of centre gripping, and antiskid sheet 10 is made by soft material simultaneously, can avoid splint 9 fish tail buret main part 1's surface.

Further, one end of the connecting rod 8 far away from the clamping plate 9 is fixedly connected to one end of the second connecting block 7, the connecting rod 8 is symmetrically distributed at the upper end and the lower end of the second connecting block 7, the second connecting block 7 is symmetrically distributed, the connecting rod 8 is convenient for connecting the second connecting block 7 with the clamping plate 9, and the clamping plate 9 and the anti-slip sheet 10 connected with the connecting rod 8 are symmetrically distributed at the upper end and the lower end of the second connecting block 7 because the connecting rod 8 is symmetrically distributed at the upper end and the lower end of the second connecting block 7, so that the burette body 1 can be clamped more firmly, and meanwhile, the burette body 1 is kept perpendicular to the operating platform 4.

Further, one second connecting block 7 is fixedly connected to one side of the first connecting block 6, the other second connecting block 7 is fixedly connected to one end of the sliding rod 3, one second connecting block 7 is in a fixed state, a user can conveniently lean the burette main body 1 on the antiskid sheet 10 connected with the second connecting block 7, the other second connecting block 7 is in an adjustable state, and the user can rotate the knob 2 to enable the second connecting block 7 to move, so that the user can conveniently fix and detach the burette main body 1.

Working principle: when the device is used, a buret filled with test solution is abutted against the inner wall of the anti-slip sheet 10 on one side, the knob 2 is rotated, the knob 2 drives the threaded rod 11 to rotate, the rotating threaded rod 11 drives the sliding rod 3 in threaded connection with the threaded rod 3 to slide on the inner wall of the first connecting block 6, the sliding rod 3 drives the clamping block 12 to slide in the clamping groove 13, meanwhile, the sliding rod 3 drives the second connecting block 7 to slide, the second connecting block 7 drives the connecting rod 8 to slide, the connecting rod 8 drives the clamping plate 9 to slide, the clamping plate 9 drives the anti-slip sheet 10 to approach the buret main body 1, and the buret main body 1 can be fixed by screwing the knob 2.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims

1. A glass burette convenient to fix, which is characterized in that: including buret main part (1), knob (2) and slide bar (3), the both sides of buret main part (1) are equipped with antiskid sheet (10), antiskid sheet (10) are kept away from one side of buret main part (1) is equipped with splint (9), splint (9) are kept away from one side of antiskid sheet (10) is equipped with connecting rod (8), connecting rod (8) are kept away from one end of splint (9) is equipped with second joint piece (7), one side of second joint piece (7) is equipped with slide bar (3), slide bar (3) are kept away from the one end of second joint piece (7) is equipped with fixture block (12), the inside threaded rod (11) that runs through of slide bar (3), the one end of threaded rod (11) is equipped with knob (2), one side of knob (2) is equipped with first joint piece (6), inside draw-in groove (13) of having seted up of first joint piece (6), one side of first joint piece (6) is equipped with bracing piece (5), the bottom of bracing piece (5) is equipped with operation panel (4).

2. A conveniently fixed glass burette as claimed in claim 1, wherein: the bottom of the supporting rod (5) is fixedly connected to the top of the operating table (4), and one side of the first connecting block (6) is fixedly connected to one side of the supporting rod (5).

3. A conveniently fixed glass burette as claimed in claim 1, wherein: the clamping block (12) is located inside the first connecting block (6), the sliding rod (3) is slidably connected to the inner wall of the first connecting block (6), one end of the sliding rod (3) is fixedly connected to one side of the clamping block (12), and the clamping block (12) is slidably connected to the inner wall of the first connecting block (6) through the clamping groove (13).

4. A conveniently fixed glass burette as claimed in claim 1, wherein: the threaded rod (11) penetrates through the sliding rod (3) and is in threaded connection with the sliding rod, one end of the threaded rod (11) penetrates through the first connecting block (6) and is movably connected with the first connecting block, and the other end of the threaded rod (11) is fixedly connected to one side of the knob (2).

5. A conveniently fixed glass burette as claimed in claim 1, wherein: one side of the clamping plate (9) is fixedly connected with one end of the connecting rod (8), one side of the antiskid sheet (10) is fixedly connected with the other side of the clamping plate (9), and the clamping plates (9) are symmetrically distributed.

6. A conveniently fixed glass burette as claimed in claim 1, wherein: one end of the connecting rod (8) far away from the clamping plate (9) is fixedly connected with one end of the second connecting block (7), the connecting rod (8) is symmetrically distributed at the upper end and the lower end of the second connecting block (7), and the second connecting block (7) is in a symmetrical distribution mode.

7. A conveniently fixed glass burette as claimed in claim 1, wherein: one second connecting block (7) is fixedly connected to one side of the first connecting block (6), and the other second connecting block (7) is fixedly connected to one end of the sliding rod (3).