阅读说明：本技术 一种用于氧化铝包覆工艺实验的碱式滴定管结构 (Basic burette structure for alumina coating process experiment ) 是由 周蔚 于 2020-05-19 设计创作，主要内容包括：本发明涉及化学实验技术领域,且公开了一种用于氧化铝包覆工艺实验的碱式滴定管结构,包括夹座,所述夹座的外壁套设有安装板,所述安装板的正面活动连接有六角螺母,所述安装板的左右两侧均固定安装有卷轴。该用于氧化铝包覆工艺实验的碱式滴定管结构,通过将两个待使用的滴定管取出,将滴定管位于同侧的第一摩擦轮和第二摩擦轮的相对一侧之间,使得同侧的第一摩擦轮和第二摩擦轮能够紧密的对滴定管夹紧,保证滴定管在使用的过程中更加稳定,能够避免手持的情况滴液不稳定,出现偏差,且不能够有效的控制滴液的速率和流量,通过转动六角螺母能够调节六角螺母与夹座的紧密连接的距离,从而能够实现对安装板调节位置。(The invention relates to the technical field of chemical experiments and discloses an alkali burette structure for an alumina coating process experiment. This an alkali burette structure for aluminium oxide cladding technology experiment, take out through treating two burettes that use, be located between the relative one side of the first friction pulley of homonymy and second friction pulley with the burette, make the first friction pulley of homonymy and second friction pulley can be inseparable press from both sides tightly the burette, guarantee that the burette is more stable at the in-process that uses, can avoid handheld condition dropping liquid unstability, the deviation appears, and can not be enough speed and the flow of effectual control dropping liquid, can adjust hexagon nut and holder's zonulae occludens's distance through rotating hexagon nut, thereby can realize mounting panel adjusting position.)

1. The utility model provides a basic buret structure for alumina cladding process experiment, includes holder (1), its characterized in that: the outer wall cover of holder (1) is equipped with mounting panel (2), the positive swing joint of mounting panel (2) has hexagon nut (3), the equal fixed mounting in both sides has spool (6) about mounting panel (2), the inner wall swing joint of spool (6) has two second arm lock (7), the equal fixed mounting in top and the bottom of mounting panel (2) has first arm lock (4), one side fixed mounting that spool (6) were kept away from in second arm lock (7) has second friction pulley (8), one side fixed mounting that mounting panel (2) were kept away from in first arm lock (4) has first friction pulley (5), one side fixed mounting that second arm lock (7) were kept away from in second friction pulley (8) has control handle (9), the relative one side swing joint of first arm lock (4) and second arm lock (7) has buret (10), the burette (10) comprises an outer tube (101) and an inner tube (102), the top fixed mounting of the burette (10) is provided with a connecting plate (11), the top fixed mounting of the connecting plate (11) is provided with a sealing gasket (12), the top fixed mounting of the sealing gasket (12) is provided with a top plate (13), the bottom fixed mounting of the top plate (13) is provided with a wooden plug (14), the top fixed mounting of the top plate (13) is provided with a connecting clamping piece (15), the inner wall swing joint of the connecting clamping piece (15) is provided with a movable rod (17), the top fixed mounting of the connecting clamping piece (15) is provided with a limiting plate (16), the bottom fixed mounting of the movable rod (17) is provided with a first spring (18), the outer wall sleeve of the first spring (18) is provided with a sleeve (19), the bottom fixed mounting of the connecting plate (11) is provided with a clamping plate (20), the liquid injection device is characterized in that the inner wall of the liquid injection seat (21) is provided with a movable groove (22) and a liquid passing hole (23), the inner wall of the movable groove (22) is fixedly provided with a first threaded rod (27), the inner wall of the first threaded rod (27) is movably connected with a movable shaft (26), one side of the movable shaft (26), far away from the liquid passing hole (23), is fixedly provided with a rotating handle (28), one side of the movable shaft (26), far away from the first threaded rod (27), is movably connected with a first movable bearing (25), one side of the first movable bearing (25), far away from the first threaded rod (27), is movably connected with a sealing block (24), the outer wall of the burette (10) is provided with a valve (29), the inner wall of the valve (29) is movably connected with a glass bead (30), the right side of the glass bead (30) is fixedly provided with an adjusting button (31), the bottom of the burette (10), an adjusting groove (33) is formed in the inner wall of the adjusting seat (32), a movable block (34) is movably connected to the inner wall of the adjusting groove (33), a joint rod (40) is fixedly arranged at the bottom end of the movable block (34), a second movable bearing (35) is fixedly arranged at the left side of the movable block (34), the inner wall of the second movable bearing (35) is movably connected with a bearing rod (36), a rotating rod (37) is fixedly arranged on the left side of the bearing rod (36), a threaded column (39) is sleeved on the outer wall of the bearing rod (36), an L-shaped rod (41) is fixedly arranged at the bottom end of the connecting rod (40), a second spring (42) is fixedly arranged on the right side of the inner wall of the L-shaped rod (41), the right side fixed mounting of second spring (42) has water dropper (43), the left side fixed mounting who adjusts seat (32) has two connecting blocks (38).

2. The basic burette structure for the alumina coating process experiment of claim 1, wherein: the front of hexagon nut (3) is through screw thread and mounting panel (2) swing joint, mounting panel (2) are located the outer wall of holder (1), the front screw rod of hexagon nut (3) runs through mounting panel (2) and extends to the inner wall and holder (1) joint of mounting panel (2).

3. The basic burette structure for the alumina coating process experiment of claim 1, wherein: the two first clamping arms (4) on the same side are positioned on the opposite sides of the two second clamping arms (7), and the two second clamping arms (7) are movably connected with the reel (6).

4. The basic burette structure for the alumina coating process experiment of claim 1, wherein: the number of the movable grooves (22) is two, the two movable grooves (22) are positioned at the left side and the right side of the liquid passing hole (23), and the movable grooves (22) are communicated with the liquid passing hole (23).

5. The basic burette structure for the alumina coating process experiment of claim 1, wherein: the quantity of turning handle (28) is two, two turning handle (28) are located the back of the body one side of two first threaded rods (27), one side that loose axle (26) are close to first loose bearing (25) runs through first threaded rod (27) and extends to the inner wall and the sealing block (24) of activity groove (22) through first loose bearing (25) swing joint.

6. The basic burette structure for the alumina coating process experiment of claim 1, wherein: the number of the connecting blocks (38) is two, and one opposite side of each connecting block (38) is fixedly connected with the threaded column (39).

7. The basic burette structure for the alumina coating process experiment of claim 1, wherein: the left side and the bull stick (37) fixed connection of bearing pole (36), the right side of bearing pole (36) runs through screw thread post (39) and extends to the inner wall of adjustment tank (33) and passes through second loose bearing (35) and loose piece (34) swing joint.

Technical Field

The invention relates to the technical field of chemical experiments, in particular to a basic burette structure for an alumina coating process experiment.

Background

The basic burette is a titration instrument commonly used in analytical chemistry, can only be used for alkaline solution, can be used for carrying on acid-base neutralization titration experiment, etc., check whether the liquid leaks first when using, must wash, rinse when using the burette to get the dropping liquid, must drive the bubble in the tube to the greatest extent before reading, fill with liquid in the sharp mouth, forbid absolutely using the basic burette to hold the acid and strong oxidizing solution, in order to avoid corroding the rubber tube, is used for holding the alkaline solution, can't hold the acid and strong oxidizing agent liquid, before using the basic burette, should check whether the piston is closely matched with piston sleeve at first, if the not closed will appear the phenomenon of leaking, should not use, should carry on the abundant washing secondly.

At present, some deficiencies exist in the basic burette, some basic burettes do not set up the lid, cause volatilizing of solution in the body easily, and do not have the support frame of the regulation that can be free, at the in-process that the burette used, the hand is trembled or other factors all can lead to titrating the effect poor, and traditional burette can not change the dripper, can not change the dripper of different specifications more, does not have higher practicality, has consequently proposed a basic burette structure for alumina cladding technology experiment here.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the alkaline burette structure for the alumina coating process experiment, which has the advantages of good sealing performance and the like, and solves the problems of poor sealing performance and incapability of replacing a dripper.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a basic buret structure for alumina coating technology experiment, includes the holder, the outer wall cover of holder is equipped with the mounting panel, the positive swing joint of mounting panel has hexagon nut, the equal fixed mounting in the left and right sides of mounting panel has the spool, the inner wall swing joint of spool has two second arm lock, the equal fixed mounting in top and the bottom of mounting panel has first arm lock, one side fixed mounting that the spool was kept away from to the second arm lock has the second friction pulley, one side fixed mounting that the mounting panel was kept away from to first arm lock has the first friction pulley, one side fixed mounting that the second arm lock was kept away from to the second friction pulley has the control handle, the relative one side swing joint of first arm lock and second arm lock has the buret, the buret includes outer tube and inner tube, the top fixed mounting of buret has the connecting plate, the top fixed mounting of connecting plate has sealed the pad, the top end of the sealing gasket is fixedly provided with a top plate, the bottom end of the top plate is fixedly provided with a wooden plug, the top end of the top plate is fixedly provided with a connecting clamping piece, the inner wall of the connecting clamping piece is movably connected with a movable rod, the top end of the connecting clamping piece is fixedly provided with a limiting plate, the bottom end of the movable rod is fixedly provided with a first spring, the outer wall of the first spring is sleeved with a sleeve, the bottom end of the connecting plate is fixedly provided with a clamping plate, the top end of the top plate is fixedly provided with a liquid injection seat, the inner wall of the liquid injection seat is provided with a movable groove and a liquid passing hole, the inner wall of the movable groove is fixedly provided with a first threaded rod, the inner wall of the first threaded rod is movably connected with a movable shaft, one side of the movable shaft, which is far away from the liquid passing hole, is fixedly provided with a rotating handle, the outer wall of the burette is provided with a valve, the inner wall of the valve is movably connected with a glass bead, the right side of the glass bead is fixedly provided with an adjusting button, the bottom end of the burette is fixedly provided with an adjusting seat, the inner wall of the adjusting seat is provided with an adjusting groove, the inner wall of the adjusting groove is movably connected with a movable block, the bottom end of the movable block is fixedly provided with a connecting rod, a second movable bearing is fixedly arranged at the left side of the movable block, the inner wall of the second movable bearing is movably connected with a bearing rod, a rotating rod is fixedly arranged on the left side of the bearing rod, a threaded column is sleeved on the outer wall of the bearing rod, an L-shaped rod is fixedly arranged at the bottom end of the connecting rod, a second spring is fixedly arranged on the right side of the inner wall of the L-shaped rod, the right side fixed mounting of second spring has the dripper, the left side fixed mounting who adjusts the seat has two connecting blocks.

Preferably, hexagon nut's front is through screw thread and mounting panel swing joint, the mounting panel is located the outer wall of holder, hexagon nut's front screw rod runs through the mounting panel and extends to the inner wall and the holder joint of mounting panel.

Preferably, the two first clamping arms on the same side are located on the opposite sides of the two second clamping arms, and the two second clamping arms are movably connected with the reel.

Preferably, the number of the movable grooves is two, the two movable grooves are positioned on the left side and the right side of the liquid passing hole, and the movable grooves are communicated with the liquid passing hole.

Preferably, the number of turning handle is two, two the turning handle is located the back of the body one side of two first threaded rods, one side that the loose axle is close to first loose bearing runs through first threaded rod and extends to the inner wall in activity groove and seal block through first loose bearing swing joint.

Preferably, the number of the connecting blocks is two, and one opposite side of each of the two connecting blocks is fixedly connected with the threaded column.

Preferably, the left side and the bull stick fixed connection of bearing pole, the right side of bearing pole runs through the screw thread post and extends to the inner wall in adjustment tank and passes through second loose bearing and movable block swing joint.

(III) advantageous effects

Compared with the prior art, the invention provides an alkali burette structure for an alumina coating process experiment, which has the following beneficial effects:

1. this an alkali burette structure for aluminium oxide cladding technology experiment, take out through treating two burettes that use, be located between the relative one side of the first friction pulley of homonymy and second friction pulley with the burette, make the first friction pulley of homonymy and second friction pulley can be inseparable press from both sides tightly the burette, guarantee that the burette is more stable at the in-process that uses, can avoid handheld condition dropping liquid unstability, the deviation appears, and can not be enough speed and the flow of effectual control dropping liquid, can adjust hexagon nut and holder's zonulae occludens's distance through rotating hexagon nut, thereby can realize mounting panel adjusting position.

2. The basic burette structure for the alumina coating process experiment can ensure the safety of the burette by fixedly installing the sealing gasket between the connecting plate and the top plate, avoid the leakage of liquid with higher volatility and cause poorer dropping effect, ensure the service life of the first spring by arranging the connecting clamping piece and the clamping plate, ensure better using effect, tightly seal the burette by arranging the liquid injection seat to prevent the leakage of the liquid, adjust the dropping speed of the burette by arranging the valve, the glass bead and the adjusting button, drive the movable block to move left and right in the inner wall of the adjusting groove by arranging the L-shaped rod and the adjusting seat, thereby not only replacing the burette, replacing the burette with different specifications and ensuring better dropping effect, the use is more convenient, and can be convenient for maintenance and washing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the upper half of the burette of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2;

FIG. 4 is an enlarged view of the structure of FIG. 2 at B in accordance with the present invention;

FIG. 5 is an enlarged view of the lower half of the burette of the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 5 at C according to the present invention.

In the figure: 1-clamping seat, 2-mounting plate, 3-hexagonal nut, 4-first clamping arm, 5-first friction wheel, 6-scroll, 7-second clamping arm, 8-second friction wheel, 9-control handle, 10-burette, 101-outer tube, 102-inner tube, 11-connecting plate, 12-sealing gasket, 13-top plate, 14-wood plug, 15-connecting clamping piece, 16-limiting plate, 17-movable rod, 18-first spring, 19-sleeve, 20-clamping plate, 21-liquid injection seat, 22-movable groove, 23-liquid passing hole, 24-sealing block, 25-first movable bearing, 26-movable shaft, 27-first threaded rod, 28-rotating handle, 29-valve, 30-glass bead, 31-adjusting button, 32-adjusting seat, 33-adjusting groove, 34-movable block, 35-second movable bearing, 36-bearing rod, 37-rotating rod, 38-connecting block, 39-threaded column, 40-connecting rod, 41-L-shaped rod, 42-second spring and 43-water dropper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an alkali burette structure for alumina coating process experiment comprises a holder 1, a mounting plate 2 is sleeved on the outer wall of the holder 1, a hexagonal nut 3 is movably connected to the front surface of the mounting plate 2, the front surface of the hexagonal nut 3 is movably connected to the mounting plate 2 through threads, the mounting plate 2 is located on the outer wall of the holder 1, a screw on the front surface of the hexagonal nut 3 penetrates through the mounting plate 2 and extends to the inner wall of the mounting plate 2 to be clamped with the holder 1, a reel 6 is fixedly installed on the left and right sides of the mounting plate 2, two second clamping arms 7 are movably connected to the inner wall of the reel 6, first clamping arms 4 are fixedly installed on the top and bottom ends of the mounting plate 2, the two first clamping arms 4 on the same side are located on the opposite sides of the two second clamping arms 7, the two second clamping arms 7 are movably connected to the reel 6, a second friction wheel 8 is fixedly installed, a first friction wheel 5 is fixedly arranged on one side of the first clamping arm 4 far away from the mounting plate 2, a control handle 9 is fixedly arranged on one side of the second friction wheel 8 far away from the second clamping arm 7, a burette 10 is movably connected with one side of the first clamping arm 4 opposite to the second clamping arm 7, the burette 10 comprises an outer tube 101 and an inner tube 102, a connecting plate 11 is fixedly arranged at the top end of the burette 10, a sealing gasket 12 is fixedly arranged at the top end of the connecting plate 11, a top plate 13 is fixedly arranged at the top end of the sealing gasket 12, a wood plug 14 is fixedly arranged at the bottom end of the top plate 13, a connecting clamping piece 15 is fixedly arranged at the top end of the top plate 13, a movable rod 17 is movably connected with the inner wall of the connecting clamping piece 15, a limiting plate 16 is fixedly arranged at the top end of the connecting clamping piece 15, a first spring 18 is fixedly, the top end of the top plate 13 is fixedly provided with a liquid injection seat 21, the inner wall of the liquid injection seat 21 is provided with two movable grooves 22 and liquid passing holes 23, the number of the movable grooves 22 is two, the two movable grooves 22 are positioned at the left side and the right side of the liquid passing holes 23, the movable grooves 22 are communicated with the liquid passing holes 23, the inner wall of the movable grooves 22 is fixedly provided with a first threaded rod 27, the inner wall of the first threaded rod 27 is movably connected with a movable shaft 26, one side of the movable shaft 26 far away from the liquid passing holes 23 is fixedly provided with a rotating handle 28, the number of the rotating handle 28 is two, the two rotating handles 28 are positioned at the opposite sides of the two first threaded rods 27, one side of the movable shaft 26 near the first movable bearing 25 penetrates through the first threaded rod 27 and extends to the inner wall of the movable groove 22 and is movably connected with a sealing block 24 through the first movable bearing 25, one side of the movable shaft 26 far away from the first threaded rod 27 is movably connected with a first movable bearing 25, the outer wall of the burette 10 is provided with a valve 29, the inner wall of the valve 29 is movably connected with a glass bead 30, the right side of the glass bead 30 is fixedly provided with an adjusting button 31, the bottom end of the burette 10 is fixedly provided with an adjusting seat 32, the inner wall of the adjusting seat 32 is provided with an adjusting groove 33, the inner wall of the adjusting groove 33 is movably connected with a movable block 34, the bottom end of the movable block 34 is fixedly provided with a linking rod 40, the left side of the movable block 34 is fixedly provided with a second movable bearing 35, the inner wall of the second movable bearing 35 is movably connected with a bearing rod 36, the left side of the bearing rod 36 is fixedly connected with a rotating rod 37, the right side of the bearing rod 36 penetrates through a threaded column 39 and extends to the inner wall of the adjusting groove 33 and is movably connected with the movable block 34 through the second movable bearing 35, the left side of the bearing rod 36 is fixedly provided with a rotating rod 37, the, a second spring 42 is fixedly mounted on the right side of the inner wall of the L-shaped rod 41, a dripper 43 is fixedly mounted on the right side of the second spring 42, two connecting blocks 38 are fixedly mounted on the left side of the adjusting seat 32, the number of the connecting blocks 38 is two, and one opposite side of each of the two connecting blocks 38 is fixedly connected with the threaded column 39.

The working principle is that two burettes 10 to be used are taken out, the burettes 10 are positioned between the opposite sides of the first friction wheel 5 and the second friction wheel 8 which are positioned at the same side, and the second friction wheel 8 is fixedly connected with the scroll 6, so the second friction wheel 8 applies a force towards the direction of the first friction wheel 5, the first friction wheel 5 and the second friction wheel 8 which are positioned at the same side can tightly clamp the burette 10, the burette 10 is ensured to be more stable in the using process, the phenomenon that liquid drops are unstable and have deviation under the handheld condition can be avoided, the speed and the flow of the liquid drops can not be effectively controlled, the distance between the hexagonal nut 3 and the clamping seat 1 can be adjusted by rotating the hexagonal nut 3, the position of the mounting plate 2 can be adjusted, the burette 10 comprises an outer pipe 101 and an inner pipe 102, the safety of the burette 10 can be ensured, the sealing performance of the burette 10 can be ensured by fixedly mounting the sealing gasket 12 between the connecting plate 11 and the top plate 13, avoiding the leakage of liquid with higher volatility and causing poor effect of dropping liquid, by arranging the connecting clamping piece 15 and the clamping plate 20, the two movable rods 17 are fixedly connected through the first spring 18, the opposite sides of the two movable rods 17 are fixedly connected with the connecting clamping piece 15 and the clamping plate 20 respectively, and the outer wall of the first spring 18 is provided with the sleeve 19, ensuring the service life of the first spring 18 and better using effect, by arranging the liquid injection seat 21, the inner wall of the liquid injection seat 21 is provided with the liquid passing hole 23 and the movable groove 22, the movable groove 22 is arranged at the left side and the right side of the liquid passing hole 23, the movable shaft 26 is fixedly connected with the sealing block 24 through the first movable bearing 25, the outer wall of the movable shaft 26 is fixedly connected with the first threaded rod 27 at the inner wall of the movable groove 22, therefore, the movable shaft 26 can be driven to move and rotate in the inner wall of the movable groove 22 by rotating the rotating handle 28, thereby, and two sealed blocks 24 are inseparable connection relatively, promptly inseparable seal buret 10, prevent the leakage of liquid, through valve 29, glass pearl 30 and adjusting knob 31 can adjust buret 10's dropping liquid speed, through setting up L type pole 41 and regulation seat 32, rotate bull stick 37, bull stick 37 passes through screw thread and screw thread post 39 swing joint, and pass through second loose bearing 35 swing joint with movable block 34, consequently, can drive movable block 34 and remove about in the inner wall of adjustment tank 33, consequently, can drive and remove about L type pole 41 through linking pole 40, consequently, not only can change dripper 43, can change the dripper 43 of different specifications, guarantee that the titration effect is better, it is more convenient to use, and can conveniently maintain and wash.

In conclusion, according to the basic burette structure for the alumina coating process experiment, two burettes 10 to be used are taken out, the burette 10 is positioned between the opposite sides of the first friction wheel 5 and the second friction wheel 8 on the same side, so that the first friction wheel 5 and the second friction wheel 8 on the same side can tightly clamp the burette 10, the burette 10 is ensured to be more stable in the using process, the unstable dropping liquid and the deviation caused by the handheld condition can be avoided, the speed and the flow of the dropping liquid can not be effectively controlled, the distance between the hexagonal nut 3 and the clamping seat 1 can be adjusted by rotating the hexagonal nut 3, the position of the mounting plate 2 can be adjusted, the burette 10 comprises the outer pipe 101 and the inner pipe 102, the safety of the burette 10 can be ensured, the sealing performance of the burette 10 can be ensured by fixedly mounting the sealing gasket 12 between the connecting plate 11 and the top plate 13, avoid the higher liquid leakage of volatility, cause the effect of dropping liquid relatively poor, connect fastener 15 and cardboard 20 through setting up, guarantee first spring 18's life, guarantee that the result of use is better, annotate liquid seat 21 through the setting, can be inseparable seal burette 10, prevent the leakage of liquid, through valve 29, glass pearl 30 and adjusting knob 31 can adjust the dropping liquid rate of burette 10, through setting up L type pole 41 and regulation seat 32, can drive movable block 34 and control about in the inner wall of adjustment tank 33, consequently, when not only can changing dripper 43, can change the dripper 43 of different specifications, guarantee that the effect of titrating is better, it is more convenient to use, and can conveniently maintain and wash.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.