CN211825895U

CN211825895U - Chemical titration experimental device

Info

Publication number: CN211825895U
Application number: CN202020460544.7U
Authority: CN
Inventors: 黄香凌
Original assignee: Guilin Normal College
Current assignee: Guilin Normal College
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-10-30
Anticipated expiration: 2030-03-31

Abstract

The utility model relates to a titrate experimental apparatus technical field, and disclose a chemistry titrates experimental apparatus, the on-line screen storage device comprises a base, the bottom fixedly connected with supporting leg of base, the top of base is seted up flutedly, the inner wall fixedly connected with slipmat of recess, the top swing joint of slipmat has the experiment cup, the mounting groove has been seted up at the top of base, the inner wall swing joint of mounting groove has the dead lever, the positive swing joint of base has first fixed pin, the outer wall of dead lever is provided with spacing hole. This experimental apparatus is titrated to chemistry has reached this experimental apparatus is titrated to chemistry convenient to detach's purpose to solved general chemistry and titrated the problem that experimental apparatus was not convenient for to dismantle, made people can be quick after the experiment is accomplished dismantle it, also made things convenient for people to deposit it simultaneously more, made people use more save worry, further satisfied people's user demand, the work of giving people has brought the facility.

Description

Chemical titration experimental device

Technical Field

The utility model relates to a titrate experimental apparatus technical field, specifically be a chemistry titrates experimental apparatus.

Background

Titration is a means of quantitative analysis, and is also a chemical experimental operation. It determines the content of a certain solute by quantitative reaction of two solutions. It is to indicate the end point of titration according to the color change of the indicator, then to visually measure the consumption volume of the standard solution and calculate the analysis result. The titration process requires a quantitative reaction which must be carried out completely and at a fast rate, i.e., a large equilibrium constant and a large rate constant. Moreover, the reaction cannot have byproducts which interfere with measurement, side reactions are not allowed, and it is known that titration experiments need experimental devices in the experimental process.

Titration experiment device is not convenient for people to dismantle it on the market now to lead to generally directly placing on the experiment table after the experiment finishes, so damage because of touching to drop very easily, simultaneously, the space of experiment table has also been occupied to the mode of vertical placing, and inconvenient depositing, so current titration experiment device can't satisfy people's user demand, and the work of giving people has brought inconveniently.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a chemistry titrates experimental apparatus possesses advantages such as convenient to detach, has solved the problem that general chemistry titrated experimental apparatus is not convenient for dismantle.

(II) technical scheme

For the purpose of realizing above-mentioned this experimental apparatus convenient to detach, the utility model provides a following technical scheme: a chemical titration experimental device comprises a base, wherein supporting legs are fixedly connected to the bottom of the base, a groove is formed in the top of the base, a non-slip mat is fixedly connected to the inner wall of the groove, an experimental cup is movably connected to the top of the non-slip mat, an installation groove is formed in the top of the base, a fixed rod is movably connected to the inner wall of the installation groove, a first fixed pin is movably connected to the front of the base, one end of the first fixed pin is located on the outer side of the base, and the other end of the first fixed pin is sequentially movably arranged on the outer side of the base in a penetrating mode through a groove wall on one side of the installation groove; the outer wall of the fixed rod is provided with a plurality of limiting holes at intervals, the limiting holes are through holes which are positioned right above the base and are sequentially arranged along the length direction of the fixed rod, the outer wall of the fixed rod is movably sleeved with a movable block, the front side of the movable block is movably connected with a second fixed pin, the second fixed pin movably penetrates through the movable block and the limiting holes, one side of the movable block is fixedly connected with a connecting rod which is perpendicular to the fixed rod, one end of the connecting rod, far away from the movable block, is fixedly connected with a fixed ring, the ring opening of the fixed ring is perpendicular to the fixed rod, the inner wall of the fixed ring is fixedly connected with a reset spring, the elastic direction of the reset spring is the radial direction of the fixed ring, one end of the reset spring, positioned in the fixed ring, is fixedly connected with a first fixed clamp, and, the utility model discloses a solid fixed ring, including solid fixed ring, first fixation clamp, thread through-hole, movable rod, the solid fixed ring is equipped with the thread through-hole on the outer wall relative with first fixation clamp, thread through-hole central line is solid fixed ring's radial, and the thread is inserted and is equipped with the movable rod on it, the movable rod is located the one end outer wall fixedly connected with wear pad in the solid fixed ring outside, the movable rod is located the inboard one end fixedly connected with movable ball of solid fixed ring, and passes through movable ball swing joint has the second fixation clamp, the common.

Preferably, the inner wall of screw thread through-hole is provided with the internal thread, the outer wall of movable rod is provided with the external screw thread, and screw thread through-hole passes through internal thread and external screw thread and movable rod threaded connection.

Preferably, the shape and size of the non-slip mat are matched with those of the groove, and the non-slip mat is a rubber non-slip mat.

Preferably, a threaded hole is formed in the wall of the other side of the mounting groove, and the first fixing pin is in threaded connection with the wall of the other side of the mounting groove.

Preferably, the shape and size of the protection pad and the shape and size of the first fixing clip are matched with each other, and the protection pad is a rubber protection pad.

Preferably, the shape and size of the second fixing pin and the shape and size of the limiting hole are matched with each other.

Preferably, the outer wall of the second fixing clamp is provided with a movable groove, the shape and size of the movable groove are matched with those of the movable ball, and the movable rod is movably connected with the second fixing clamp in a manner that the movable ball is inserted into the movable groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a chemical titration experimental apparatus possesses following beneficial effect:

1. this experimental apparatus is titrated to chemistry, the on-line screen storage device comprises a base, the mounting groove, the dead lever, first fixed pin, spacing hole, the movable block, the second fixed pin, connecting rod and solid fixed ring mutually support and use, the purpose of this experimental apparatus is titrated to chemistry convenient to detach has been reached, thereby the problem of the experimental apparatus is titrated to general chemistry not convenient to detach has been solved, make people dismantle it that can be quick after the experiment is accomplished, also make things convenient for people to deposit it more simultaneously, make people use more save worry, further user demand who has satisfied people, the work of giving people has brought the facility.

2. This experimental apparatus is titrated to chemistry, through the solid fixed ring that sets up, reset spring, first fixation clamp, protection pad, experiment pipe, screw thread through-hole, internal thread, movable rod, external screw thread, activity ball, second fixation clamp and activity groove, can make this experiment pipe more stable in the installation, the circumstances such as can not appear droing make people use more peaceful and peaceful, further satisfied people's user demand, the work of giving people has brought the facility, is worth using widely.

3. This experimental apparatus is titrated to chemistry through base, recess, slipmat and the experiment cup that sets up, can make the experiment cup stabilize the effect better in the use, makes people use more happy and handy, and further the use demand that has satisfied people has brought the facility for people's work.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the connection structure between the fixing ring and the first fixing clip of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

fig. 6 is an enlarged schematic view of the structure at C in fig. 3 according to the present invention.

In the figure: 1. a base; 2. supporting legs; 3. a groove; 4. a non-slip mat; 5. an experimental cup; 6. mounting grooves; 7. fixing the rod; 8. a first fixing pin; 9. a limiting hole; 10. a movable block; 11. a second fixing pin; 12. a connecting rod; 13. a fixing ring; 14. a return spring; 15. a first fixing clip; 16. a protective pad; 17. an experimental tube; 18. a threaded through hole; 19. an internal thread; 20. a movable rod; 21. an external thread; 22. a movable ball; 23. a second fixing clip; 24. a movable groove; 25. a wear pad.

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.

Please refer to fig. 1-6, a chemical titration experimental apparatus, comprising a base 1, wherein the bottom of the base 1 is fixedly connected with supporting legs 2, the top of the base 1 is provided with a groove 3, the inner wall of the groove 3 is fixedly connected with a non-slip mat 4, the top of the non-slip mat 4 is movably connected with an experimental cup 5, and the experimental cup 5 can be stabilized and have better effect in the using process through the base 1, the groove 3, the non-slip mat 4 and the experimental cup 5, so that people can feel more comfortable when using the experimental apparatus. Preferably, the shape and size of the non-slip mat 4 are matched with those of the groove 3, the non-slip mat 4 is a rubber non-slip mat, rubber is a high-elasticity polymer material with reversible deformation, and the rubber is rich in elasticity at room temperature, can generate large deformation under the action of small external force, and can recover the original shape after the external force is removed.

Mounting groove 6 has been seted up at base 1's top, the inner wall swing joint of mounting groove 6 has dead lever 7, the positive swing joint of base 1 has first fixed

8, 8 swing joint bases of first fixed pin 1, one end is located the outside of base 1, the other end is followed the outside of base 1 is moved about in proper order and is worn to establish 6 one side cell walls of mounting groove, 7 lower extremes of dead lever, the 6 opposite side cell walls of mounting groove, preferably, set up threaded hole on the opposite side cell wall of mounting groove 6, first fixed

8 and 6 opposite side cell wall threaded connection of mounting groove.

The outer wall interval of dead lever 7 is provided with a plurality of spacing holes 9, spacing hole 9 is the through-hole, and it is located directly over the base 1, and along the length direction of dead lever 7 sets gradually, the outer wall movable sleeve of dead lever 7 is equipped with movable block 10, the positive swing joint of movable block 10 has second fixed pin 11, movable block 10 and spacing hole 9 are worn to establish in the activity of second fixed pin 11, preferably, the shape size of second fixed pin 11 all matches each other with the shape size of spacing hole 9.

One side fixedly connected with connecting rod 12 of movable block 10, connecting rod 12 vertical fixation pole 7 sets up, and it is kept away from solid fixed ring 13 of one end fixedly connected with of movable block 10, solid fixed ring 13's the setting of ring mouth vertical fixation pole 7, its inner wall fixedly connected with reset spring 14, reset spring 14's elasticity direction is solid fixed ring 13's radial, and it is located gu the first fixation clamp 15 of one end fixedly connected with in fixed ring 13, first fixation clamp 15 is towards the lateral wall fixedly connected with protection pad 16 of solid fixed ring 13 ring heart, preferably, the shape size of protection pad 16 all matches each other with the shape size of first fixation clamp 15, just protection pad 16 is the rubber protection pad.

The outer wall that solid fixed ring 13 and first fixation clamp 15 are relative has seted up screw thread through-hole 18, screw thread through-hole 18 hole central line is solid fixed ring 13's radial, and the screw thread is inserted and is equipped with movable rod 20 on it, specifically, the inner wall of screw thread through-hole 18 is provided with internal thread 19, the outer wall of movable rod 20 is provided with external screw thread 21, and screw thread through-hole 18 passes through internal thread 19 and external screw thread 21 and movable rod 20 threaded connection. The one end outer wall fixedly connected with wear pad 25 that the movable rod 20 is located solid fixed ring 13 outside, the movable rod 20 is located the inboard one end fixedly connected with movable ball 22 of solid fixed ring 13, and passes through movable ball 22 swing joint has second fixation clamp 23, the common centre gripping of second fixation clamp 23 and first fixation clamp 15 experiment pipe 17. Preferably, the outer wall of the second fixing clip 23 is provided with a movable groove 24, the shape and size of the movable groove 24 are matched with those of the movable ball 22, and the movable rod 20 is movably connected with the second fixing clip 23 by inserting the movable ball 22 into the movable groove 24.

When using, when this experimental apparatus is used to needs, install dead lever 7 in mounting groove 6 earlier, then it is fixed with it through first fixed pin 8, then install movable block 10 on dead lever 7, with its fixed position through second fixed pin 11 and spacing hole 9, then insert experimental pipe 17 and establish solid fixed ring 15, and place in the centre gripping space that first fixation clamp 15 and second fixation clamp 23 formed, make second fixation clamp 23 remove through adjusting movable rod 20 this moment and carry out the centre gripping to experimental pipe 17 can, after the experiment is accomplished, take off experimental pipe 17 through adjusting movable rod 20, then dismantle movable block 10 and dead lever 7 can.

To sum up, this chemistry is titrated experimental apparatus has reached this chemistry and is titrated experimental apparatus convenient to detach's purpose, makes people dismantle it that can be quick after the experiment is accomplished, also makes things convenient for people to deposit it more simultaneously, makes people use more save worry, further satisfies people's user demand, and the work of giving people has brought the facility.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.

Claims

1. The utility model provides a chemical titration experimental apparatus, includes base (1), its characterized in that: the bottom of the base (1) is fixedly connected with supporting legs (2), the top of the base (1) is provided with a groove (3), the inner wall of the groove (3) is fixedly connected with an anti-slip mat (4), the top of the anti-slip mat (4) is movably connected with an experimental cup (5), the top of the base (1) is provided with a mounting groove (6), the inner wall of the mounting groove (6) is movably connected with a fixing rod (7), the front face of the base (1) is movably connected with a first fixing pin (8), the first fixing pin (8) is movably connected with the base (1), one end of the first fixing pin is positioned on the outer side of the base (1), and the other end of the first fixing pin sequentially and movably penetrates through the groove wall on one side of the mounting groove (6), the lower end of the fixing rod (7; the outer wall of the fixed rod (7) is provided with a plurality of limiting holes (9) at intervals, the limiting holes (9) are through holes, the through holes are located right above the base (1) and are sequentially arranged along the length direction of the fixed rod (7), the outer wall of the fixed rod (7) is movably sleeved with a movable block (10), the front of the movable block (10) is movably connected with a second fixed pin (11), the second fixed pin (11) movably penetrates through the movable block (10) and the limiting holes (9), one side of the movable block (10) is fixedly connected with a connecting rod (12), the connecting rod (12) is vertically arranged with the fixed rod (7), one end of the connecting rod (12) far away from the movable block (10) is fixedly connected with a fixed ring (13), the ring opening of the fixed ring (13) is vertically arranged with the fixed rod (7), the inner wall of the fixed ring is fixedly connected with a reset spring (14), and the elastic direction of the reset spring (14, one end of the fixing ring (13) is fixedly connected with a first fixing clamp (15), the side wall of the first fixing clamp (15) facing the ring center of the fixing ring (13) is fixedly connected with a protective pad (16), the outer wall of the fixing ring (13) opposite to the first fixing clamp (15) is provided with a threaded through hole (18), the central line of the threaded through hole (18) is in the radial direction of the fixing ring (13), a movable rod (20) is inserted into the upper thread of the upper part, a wear-resistant pad (25) is fixedly connected with the outer wall of one end of the movable rod (20) positioned at the outer side of the fixed ring (13), one end of the movable rod (20) positioned at the inner side of the fixed ring (13) is fixedly connected with a movable ball (22), and is movably connected with a second fixed clamp (23) through the movable ball (22), the second fixing clamp (23) and the first fixing clamp (15) clamp the experiment tube (17) together.

2. A chemical titration experimental apparatus according to claim 1, wherein: the inner wall of screw thread through-hole (18) is provided with internal thread (19), the outer wall of movable rod (20) is provided with external screw thread (21), and screw thread through-hole (18) are through internal thread (19) and external screw thread (21) and movable rod (20) threaded connection.

3. A chemical titration experimental apparatus according to claim 1, wherein: the shape and the size of the non-slip mat (4) are matched with those of the groove (3), and the non-slip mat (4) is a rubber non-slip mat.

4. A chemical titration experimental apparatus according to claim 1, wherein: and a threaded hole is formed in the wall of the other side of the mounting groove (6), and the first fixing pin (8) is in threaded connection with the wall of the other side of the mounting groove (6).

5. A chemical titration experimental apparatus according to claim 1, wherein: the shape and the size of the protective pad (16) are matched with those of the first fixing clamp (15), and the protective pad (16) is a rubber protective pad.

6. A chemical titration experimental apparatus according to claim 1, wherein: the shape and the size of the second fixing pin (11) are matched with those of the limiting hole (9).

7. A chemical titration experimental apparatus according to claim 1, wherein: the outer wall of the second fixing clamp (23) is provided with a movable groove (24), the shape and the size of the movable groove (24) are matched with those of the movable ball (22), and the movable rod (20) is movably connected with the second fixing clamp (23) in a mode that the movable ball (22) is inserted into the movable groove (24).