CN211905253U

CN211905253U - Titration rack

Info

Publication number: CN211905253U
Application number: CN201921911073.0U
Authority: CN
Inventors: 冯海兰; 汪荣强; 谭强强
Original assignee: Zhongke Ma'anshan New Material Science Park Co ltd; Institute of Process Engineering of CAS
Current assignee: Zhongke Ma'anshan New Material Science Park Co ltd; Institute of Process Engineering of CAS
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-11-10
Anticipated expiration: 2029-11-07

Abstract

The utility model relates to a titration bench, the base of the titration bench is a cross-shaped bottom frame, and the end part of the cross-shaped bottom frame is provided with a sucker; the titration rack further comprises a lifting rod, and one end of the lifting rod is fixedly connected with the cross underframe; the titration rack further comprises a movable support table which is sleeved on the lifting rod and can move along the extending direction of the lifting rod; butterfly clamps are arranged at two ends of the movable support table and can move in a telescopic mode relative to the movable support table. Titrate the weight of rack and compare and titrate the rack in the tradition and obviously alleviate, simultaneously, have bigger space at the titration in-process and place the erlenmeyer flask, reduce the erlenmeyer flask and titrate the possibility that the rack collided, just titrate the rack and have high stability, satisfy the demand of titrating the process.

Description

Titration rack

Technical Field

The utility model relates to a titration outfit field, concretely relates to titrate rack.

Background

In chemical experiment analysis, acid-base titration experiments are indispensable, and a general titration rack base is a heavy iron block, is not convenient to move, and the iron block is higher in height, so that the condition that the conical flask collides with the iron block sometimes occurs. In some special acid-base titration experiments, some instruments and equipment, such as a constant-temperature water bath kettle, a magnetic stirrer and the like, are needed, and a titration table is often not placed on the instruments and equipment, or potential safety hazards exist, so that the experiment is inconvenient.

CN208752047U discloses acid-base titration device convenient to operation, concretely relates to acid-base titration device technical field, including the iron stand platform, the iron stand platform includes the base and locates the stand on the base, the upper end of stand is equipped with the butterfly clamp, be fixed with acid buret and alkali buret through the butterfly clamp on the stand, the stand is equipped with the scale along length direction, the four ends of base are equipped with the fixed axle perpendicularly to last, the activity is equipped with places the board on the stand, four ends activity of placing the board is located on the fixed axle, be equipped with the cylinder on the base, the piston rod of cylinder is connected with the push rod, the upper end of push rod with place board fixed connection, the cylinder can drive to place the board and reciprocate on stand and fixed axle through the push rod, this device structure is complicated, and the cost of manufacture is.

Therefore, it is still significant to develop a titration bench which is light in weight, convenient to use and capable of reducing the collision between the conical flask and the titration bench in the use process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a titration table frame, the base of which is a cross-shaped bottom frame, and the end part of the cross-shaped bottom frame is provided with a sucker; titrate the weight of rack and compare and titrate the rack in the tradition and obviously alleviate, simultaneously, have bigger space in titrating the process and place the erlenmeyer flask, reduce the erlenmeyer flask and titrate the possibility that the rack collided, just titrate the rack and have high stability.

In order to achieve the purpose of the utility model, the utility model adopts the following technical proposal:

the utility model provides a titrate rack, titrate the rack and include the cross chassis and be located 4 at least sucking discs of cross chassis tip.

The base of the titration table frame is a cross-shaped bottom frame, the sucker is arranged at the end part of the cross-shaped bottom frame, and the titration table frame can be well fixed through the cross-shaped bottom frame and the sucker arranged at the end part of the cross-shaped bottom frame in the acid-base titration process, so that the titration table frame has reliable stability; and simultaneously, titrate the weight of rack and obviously alleviate, facilitate the use, it is further, the utility model discloses a cross chassis makes to titrate in-process erlenmeyer flask to have bigger space of placing, avoids the erlenmeyer flask and titrates the collision between the rack. The erlenmeyer flask is used to place the liquid to be titrated.

Preferably, at least 1 suction cup is provided at each end of the cross chassis.

Preferably, 1 suction cup is provided at each end of the cross chassis.

Preferably, the sucking disc is provided with a lifting and pressing rod for sucking and picking the sucking disc.

The utility model discloses the setting up of well drag link makes the absorption installation of sucking disc more convenient with take, avoids the damage of sucking disc simultaneously, increases the life of sucking disc.

Lifting rod is located sucking disc top, inside cavity links to each other through spring and sucking disc bottom silica gel pad, carries to press lifting rod compressible release sucking disc bottom air to reach absorption and desorption.

Preferably, a clamping sleeve is arranged at the end part of the cross-shaped bottom frame, and the sucker is connected to the end part of the cross-shaped bottom frame through the clamping sleeve.

Preferably, the material of sucking disc is corrosion-resistant silica gel.

Preferably, the titration bench further comprises a lifting rod, and one end of the lifting rod is fixedly connected with the cross-shaped underframe.

Preferably, one end of the lifting rod of the titration table frame is fixed at the center of the cross-shaped bottom frame, and the other end of the lifting rod is a free end.

Preferably, the lifting rod is perpendicular to the plane of the cross chassis.

Titration table frame in-use, will when the sucking disc of cross chassis tip adsorbs on the horizontal plane, lifter perpendicular to horizontal plane.

Preferably, the titration bench further comprises a movable support table, the movable support table is sleeved on the lifting rod and can move along the extending direction of the lifting rod.

Preferably, the movable support table is fixed on the lifting rod through a first screwing screw.

The first screw of screwing of accessible accent pine in movable support's the use for movable support platform can be followed the extending direction motion of lifter, thereby adjust movable support platform's height.

Preferably, butterfly clips are arranged at two ends of the movable support platform, and the butterfly clips can move in a telescopic mode relative to the movable support platform.

Preferably, the butterfly clamp comprises a clamping end and a fixed end, a limiting hole is formed in the fixed end of the butterfly clamp, a clamping groove is formed in the movable support table, and the butterfly clamp is connected with the movable support through a second screwing screw.

Set up spacing hole on the fixed end of butterfly clamp, the both ends of movable support platform are provided with the draw-in groove, screw the screw through the second and pass the draw-in groove with spacing jogged joint, thereby will the butterfly clamp with the movable support platform is connected.

Preferably, the clamping groove is of a long strip-shaped structure, and the extending direction of the clamping groove is the direction of the butterfly clamp moving in a telescopic mode relative to the movable support table.

The draw-in groove is logical groove.

The shape of draw-in groove on the movable support bench is rectangular shape, is used for fixed connection the butterfly clamp with the second of movable support bench screws the screw and passes the draw-in groove with the spacing jogged joint of the stiff end of butterfly clamp to press from both sides butterfly and movable support platform fixed connection, adjust as required the butterfly clamp with during the position relation between the movable support bench, when being about to butterfly clamp relative activity support platform and making concertina movement, can screw the screw with the second of fixing the two and unscrew, later press from both sides the extending direction motion along the draw-in groove with the butterfly, reach required position after, screw the screw with the second and screw tightly, fix butterfly clamp and movable support platform again, thereby reach the purpose according to the demand adjustment butterfly clamp length of titrating the process with acid-base.

Titration table frame adopts above-mentioned design to realize the concertina movement of butterfly clamp relative movable support platform, and it has reliable stability, and the use is more convenient.

Titrate the rack and can be used to laboratory acid-base titration.

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

(1) the base of the titration table frame of the utility model adopts a cross-shaped bottom frame, and the end part of the cross-shaped bottom frame is provided with a sucker; compared with the traditional titration rack, the titration rack of the utility model has the advantages that the weight is obviously reduced, the cross-shaped bottom frame and the sucking discs at the end part of the cross-shaped bottom frame are used as supporting parts, and the cross-shaped bottom frame has larger space for placing the conical bottle, so that the collision probability between the conical bottle and the titration rack is obviously reduced in the titration process;

(2) titrate the rack and titrate the in-process at laboratory acid-base and have reliable stability, and convenient to use.

Drawings

FIG. 1 is a schematic structural view of a titration stand according to embodiment 1 of the present invention;

FIG. 2 is a diagram showing the connection relationship between the movable support stand and the butterfly clamp of the titration table according to embodiment 1 of the present invention;

the method comprises the following steps of 1-a cross underframe, 2-a sucker, 3-a lifting rod, 4-a lifting rod, 5-a movable support platform, 6-a through hole, 7-a threaded hole, 8-a first screwing screw, 9-a butterfly clamp, 10-a limiting hole, 11-a strip-shaped clamping groove and 12-a second screwing screw.

Detailed Description

The technical solution of the present invention will be further explained by the following embodiments. It should be understood by those skilled in the art that the described embodiments are merely provided to assist in understanding the present invention and should not be construed as specifically limiting the present invention.

Example 1

The structure of the titration table of the present embodiment is schematically shown in fig. 1; as can be seen from fig. 1, the titration table frame of this embodiment includes a

cross bottom frame

1 and 4 suckers 2 disposed at an end of the cross bottom frame 1, a lifting rod 3 is disposed on each sucker, each sucker 2 is connected to an end of the cross bottom frame 1 through a ferrule, a lifting rod 4 is disposed at a central position of the cross bottom frame 1, one end of each lifting rod 4 is fixedly connected to the cross bottom frame 1, and an extending direction of each lifting rod 4 is perpendicular to a plane where the cross bottom frame 1 is located;

the titration bench further comprises a movable support table 5, a through hole 6 is formed in the movable support table 5, the movable support table 5 is connected to the lifting rod 4 in a sleeved mode, and the inner wall of the through hole 6 is opposite to the outer wall of the lifting rod 4; a through threaded hole 7 is formed in the side wall of the through hole 6, and a first screwing screw 8 is screwed through the threaded hole 7, so that the inner wall of the through hole 6 in the movable support table 5 is tightly pressed against the outer wall of the lifting rod 4, and the movable support table 5 is fixed on the lifting rod 4; butterfly clips 9 are arranged at two ends of the movable support stand 5.

In this embodiment, a connection relationship between the butterfly clamp 9 and the movable support stand 5 is shown in fig. 2, the butterfly clamp 9 includes a clamping end and a fixing end, a limiting hole 10 is formed in the fixing end, and the limiting hole 10 is a threaded hole; the two ends of the movable support stand 5 are provided with strip-shaped clamping grooves 11, the fixed end of the butterfly clamp 9 is connected with the movable support stand 5 through a second screwing screw 12 penetrating through the strip-shaped clamping grooves 11 and connected with a limiting hole 10 of the fixed end of the butterfly clamp 9, and therefore the butterfly clamp 9 is fixed on the movable support stand 5; the extending direction of the strip-shaped clamping groove 11 is the telescopic movement direction of the butterfly clamp 9 relative to the movable support stand 5.

In the use of titrating the rack, when needing to adjust the relative position between butterfly clamp 9 and movable support platform 5, will connect the second screw of screwing on spacing hole and loosen, later remove required position to rectangular shape draw-in groove 11 relatively, later screw up the second screw again to realize the concertina movement of butterfly clamp relative movable support platform.

The applicant states that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention are within the protection scope and the disclosure scope of the present invention.

Claims

1. A titration bench, wherein said titration bench comprises a cross-shaped base frame and at least 4 suction cups at the end of said cross-shaped base frame;

the titration rack further comprises a lifting rod, and one end of the lifting rod is fixedly connected with the cross underframe;

the titration rack further comprises a movable support table which is sleeved on the lifting rod and can move along the extending direction of the lifting rod;

butterfly clamps are arranged at two ends of the movable support table and can move in a telescopic mode relative to the movable support table.

2. The titration bench according to claim 1, wherein a lifting rod is provided on the suction cup for sucking and removing the suction cup.

3. The titration rig according to claim 1, wherein an end of the cross chassis is provided with a ferrule, the suction cup being connected to the end of the cross chassis by the ferrule.

4. The titration bench of claim 1, wherein said suction cup is made of corrosion resistant silicone.

5. The titration bench of claim 1, wherein said movable holder is secured to said lifting rod by a first screw.

6. The titration bench of claim 1, wherein said butterfly clamp comprises a clamping end and a fixed end, said fixed end of said butterfly clamp is provided with a limiting hole, said movable support table is provided with a slot, and said butterfly clamp and said movable support are connected by a second screw.

7. The titration bench according to claim 6, wherein said slot is an elongated structure, and said slot extends in a direction of said butterfly clamp in telescoping movement relative to said movable support.