CN212493016U - Burette mount of convenient centre gripping for chemometry - Google Patents

Abstract

The utility model discloses a burette mount of convenient centre gripping is used to chemometry, including bottom plate, transfer line and second lead screw, the stabilizer blade is all installed to the four corners position department of bottom plate bottom, the intermediate position department on bottom plate top installs first device shell, and the top of first device shell is provided with first commentaries on classics piece, first lead screw that runs through to the bottom plate is installed through the bearing to first commentaries on classics piece bottom, and the outside of first lead screw is provided with first nut, the first fixed block that runs through first device shell is all installed to the both ends bottom of first nut, and the third recess has evenly been seted up on first fixed block top. This chemistry measurement is with buret mount of convenient centre gripping drives first lead screw rotation through rotating first turning block, drives first nut simultaneously and removes and drive the second device shell by first nut and remove for the device can carry out better support to the buret when using.

Description

Burette mount of convenient centre gripping for chemometry

Technical Field

The utility model relates to a fixing device technical field specifically is a burette mount of convenient centre gripping for chemometry.

Background

The titration analysis method is that a standard solution with known accurate concentration is dripped into a solution of a substance to be detected until a reagent added into the solution and the substance to be detected react quantitatively according to stoichiometry, and then the concentration and the volume of the solution are installed to calculate the content of the substance to be detected, the traditional titration tube fixing frame convenient to clamp for stoichiometry can basically meet the use requirements of people, but certain problems still exist, and the specific problems are as follows:

1. the fixed bolster that most novel chemometrics used titrates present fixed bolster in the existing market of buret mount can't carry out better fixed centre gripping when using for thereby the buret takes place to drop easily and causes the phenomenon of damage to appear.

2. The prior fixed bolster of buret mount of most novel chemometrics usefulness of titrating in the existing market can't carry out a better support to the buret when using for it is convenient inadequately when using to install.

3. The current device of buret mount that most novel chemometrics used titrated in the existing market can't carry out better fixed to the container on the device when using for the device is easily taken place to remove when receiving vibrations and slope and is made the inside liquid outflow of container cause the injury to the user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel buret mount of usefulness is titrated to chemometry to the easy buret that provides causes damage, the use is nevertheless convenient and the inside liquid of container easily because empty the problem of spilling and bringing harm for the user in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a burette fixing frame convenient to clamp for chemometry, which comprises a bottom plate, a transmission rod and a second screw rod, the four corners of the bottom end of the bottom plate are all provided with support legs, the middle position of the top end of the bottom plate is provided with a first device shell, and the top end of the first device shell is provided with a first rotating block, the bottom end of the first rotating block is provided with a first screw rod penetrating to the bottom plate through a bearing, and the outer side of the first screw rod is provided with a first nut, the bottom ends of the two ends of the first nut are both provided with a first fixed block which penetrates through the shell of the first device, third grooves are uniformly formed at the top end of the first fixing block, second fixing blocks are arranged inside the third grooves, and the second fixed plate is installed on the top of second fixed block, the third fixed block is all installed to the one end that first lead screw was kept away from to the second fixed plate, and the second device shell is all installed to the one end that first lead screw was kept away from to the third fixed block.

Preferably, the second spout has evenly been seted up at the both ends on bottom plate top, and the even horizontal guide arm of installing in the inside both ends of second spout, the one end in the guide arm outside all is provided with first spring, and all is provided with the slider that runs through to the bottom plate top in the first spring one end second spout outside, the top of slider all articulates there is first fixed plate, and the bottom of first fixed plate all is provided with the second spring.

Preferably, the one end that first lead screw was kept away from to second device shell one side all articulates there is first fixed rubber wheel, inside one end that is close to first lead screw of second device shell has all seted up first recess, and the first recess bottom all installs the transfer line that runs through to second device shell top through the bearing.

Preferably, the second rotating block is installed at the top end of the transmission rod, a second tapered nut is installed at the top end and the bottom end of the outer side of the transmission rod inside the first groove, a first sliding groove is formed in the top end and the bottom end of the shell of the second device far away from one end of the first screw rod through the first groove, and the second screw rod penetrating through the first groove is installed at one end, far away from the first screw rod, of the first sliding groove through a bearing.

Preferably, the second lead screw is close to first lead screw one end and all installs the first cone nut with second cone nut engaged with, the transfer line outside all is provided with the second nut with first spout sliding connection, and one side of second nut all is provided with the fixed rubber wheel of second.

Preferably, the second recess has all been seted up to the bottom at the inside both ends of third recess, and the third spring is all installed to the inside one end of second recess, third spring one end all is installed and is run through to the inside top of third recess.

Compared with the prior art, the beneficial effects of the utility model are that: this chemistry measurement is with buret mount of convenient centre gripping:

1. through installing second commentaries on classics piece, first fixed rubber wheel and the fixed rubber wheel of second, change the piece through rotating the second and drive the second lead screw and rotate, drive the fixed rubber wheel of second simultaneously and remove to first fixed rubber wheel and carry out the centre gripping to the buret for the device can be more convenient carry out the centre gripping to the buret when using, and the buret is difficult for droing.

2. Meanwhile, the device is provided with a first screw rod, a second device shell and a first rotating block, the first rotating block is rotated to drive the first screw rod to rotate, and meanwhile, a first nut is driven to move, and the second device shell is driven to move by the first nut, so that the device can better support the burette when in use.

3. The device is through installing bottom plate, first spring and first fixed plate simultaneously, moves the slider in the guide arm outside through first spring top and removes, drives first fixed plate through the third fixed block simultaneously and fixes the container on bottom plate top for the device can play better fixed difficult emergence phenomenon appearance of spilling hourglass of turning on one's side to the container when using.

Drawings

Fig. 1 is a schematic front sectional view of the present invention.

Fig. 2 is a schematic view of the top view structure of the present invention.

Fig. 3 is a schematic view of the front view structure of the present invention.

Fig. 4 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

Fig. 5 is an enlarged schematic view of a portion B in fig. 1 according to the present invention.

In the figure: 1. a support leg; 2. a base plate; 3. a first spring; 4. a first fixing plate; 5. a first lead screw; 6. a first device housing; 7. a second device housing; 8. a transmission rod; 9. a first chute; 10. a second fixing plate; 11. a first rotating block; 12. a first nut; 13. a second rotating block; 14. a first fixed rubber wheel; 15. a second nut; 16. a first groove; 17. a first fixed block; 18. a second fixed block; 19. a guide bar; 20. a slider; 21. a second chute; 22. a second spring; 23. a third fixed block; 24. a second fixed rubber wheel; 25. a first taper nut; 26. a second lead screw; 27. a second tapered nut; 28. ejecting the head; 29. a third spring; 30. a second groove; 31. and a third groove.

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. 1-5, the present invention provides an embodiment: the utility model provides a burette mount of convenient centre gripping for chemometry, includes bottom plate 2, transfer line 8 and second lead screw 26, and stabilizer blade 1 is all installed to the four corners position department of bottom plate 2 bottom.

Second spout 21 has evenly been seted up at the both ends on 2 tops of bottom plate, and guide arm 19 is evenly transversely installed at the inside both ends of second spout 21, the one end in the guide arm 19 outside all is provided with first spring 3, and the 3 one end second spout 21 outsides of first spring all are provided with the slider 20 that runs through to 2 tops of bottom plate, slider 20's top all articulates there is first fixed plate 4, and first fixed plate 4's bottom all is provided with second spring 22, move slider 20 through the 3 tops of the first spring in the inside guide arm 19 outsides of second spout 21 during the use, fix the container through first fixed plate 4 simultaneously, make that the device can be better when using fix the container.

The middle position department on 2 tops of bottom plate installs first device shell 6, and the top of first device shell 6 is provided with first turning block 11, and first lead screw 5 that runs through to bottom plate 2 is installed through the bearing in first turning block 11 bottom, and the outside of first lead screw 5 is provided with first nut 12, and first fixed block 17 that runs through first device shell 6 is all installed to the both ends bottom of first nut 12, and third recess 31 has evenly been seted up on first fixed block 17 top.

Second recess 30 has all been seted up to the bottom at the inside both ends of third recess 31, and third spring 29 is all installed to the inside one end of second recess 30, and third spring 29 one end is all installed and is run through to the inside top 28 of third recess 31, pushes up through the inside third spring 29 of second recess 30 during the use and moves top 28 and fix the inside second fixed block 18 of third recess 31 for the device can be more convenient fix when using.

The second fixing blocks 18 are arranged inside the third grooves 31, the second fixing plates 10 are mounted at the top ends of the second fixing blocks 18, the third fixing blocks 23 are mounted at the ends, far away from the first screw rods 5, of the second fixing plates 10, and the second device shells 7 are mounted at the ends, far away from the first screw rods 5, of the third fixing blocks 23.

One end of the second device shell 7 one side, which is far away from the first screw rod 5, is hinged with a first fixed rubber wheel 14, one end of the second device shell 7, which is close to the first screw rod 5, is provided with a first groove 16, the bottom of the first groove 16 is provided with a transmission rod 8 which runs through the top of the second device shell 7 through a bearing, when in use, the transmission rod 8 in the first groove 16 drives the second screw rod 26 to drive the second fixed rubber wheel 24 to move towards the first fixed rubber wheel 14, so that the device can fix burettes with different sizes when in use, and the practicability of the device is better.

Second commentaries on classics piece 13 is all installed on the top of transfer line 8, second cone nut 27 is all installed to the top and the bottom in the inside transfer line 8 outside of first recess 16, first recess 16 is kept away from the inside top and the bottom of first lead screw 5 one end second device shell 7 and has all been seted up first spout 9, and first spout 9 is inside to be kept away from first lead screw 5 one end and all to be installed through the bearing and run through to the inside second lead screw 26 of first recess 16, rotate through second commentaries on classics piece 13 during the use and drive the inside second lead screw 26 of first spout 9 and remove, make the removal to the device that the device can be more convenient when using control, make the more convenient of device use.

The second lead screw 26 is close to the first lead screw 5 one end and all installs the first cone nut 25 with second cone nut 27 engaged with, the transfer line 8 outside all is provided with the second nut 15 with first spout 9 sliding connection, and one side of second nut 15 all is provided with the fixed rubber wheel 24 of second, drive second cone nut 27 through transfer line 8 and rotate during the use, drive the first cone nut 25 with it engaged with simultaneously and rotate, it is rotatory to drive second lead screw 26 simultaneously and drive first cone nut 25 by second lead screw 26 and remove, make the device can carry out more convenient transmission when using.

The working principle is as follows: when the burette fixing frame convenient for clamping for the chemometry is used, the container is placed at the top end of the bottom plate 2, the first spring 3 outside the guide rod 19 in the second chute 21 pushes the sliding block 20 to move, the second spring 22 pushes the first fixing plate 4 at the same time, so that the device can fix the container with no container size when in use, the second rotating block 13 is rotated to drive the transmission rod 8 to rotate in the first groove 16, the second cone nut 27 is driven to rotate, the second cone nut 27 drives the first cone nut 25 engaged with the first cone nut to rotate when in rotation, when the first cone nut 25 drives the second screw rod 26 in the first chute 9 to rotate, the second screw rod 26 drives the second nut 15 outside the second screw rod 26 to drive the second fixing rubber wheel 24 to move in the rotating process, move to first fixed rubber wheel 14 through second fixed rubber wheel 24 simultaneously and carry out the centre gripping to the buret, after the buret centre gripping finishes, drive first lead screw 5 of first device shell 6 inside through rotating first revolving block 11 and carry out the first nut of rotary drive 12 and remove, drive first fixed block 17 simultaneously and remove, make the device can be better when using drive second device shell 7 and remove, when the dress needs to be dismantled drive first fixed block 17 through second fixed plate 10 and shift out from the inside of third recess 31, during the installation through the inside third spring 29 top 28 of second recess 30 top fixed second fixed block 18, above do the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a burette mount of convenient centre gripping is used to stoichiometry, includes bottom plate (2), transfer line (8) and second lead screw (26), its characterized in that: the supporting legs (1) are mounted at four corners of the bottom plate (2), the first device shell (6) is mounted at the middle position of the top of the bottom plate (2), the first rotating block (11) is arranged at the top of the first device shell (6), the first lead screw (5) penetrating through the bottom plate (2) is mounted at the bottom of the first rotating block (11) through a bearing, the first nut (12) is arranged on the outer side of the first lead screw (5), the first fixing blocks (17) penetrating through the first device shell (6) are mounted at the bottoms of two ends of the first nut (12), third grooves (31) are uniformly formed in the top of the first fixing blocks (17), second fixing blocks (18) are arranged inside the third grooves (31), the second fixing plates (10) are mounted at the tops of the second fixing blocks (18), the third fixing blocks (23) are mounted at the ends, far away from the first lead screw (5), of the second fixing plates (10), and one end of the third fixed block (23) far away from the first screw rod (5) is provided with a second device shell (7).

2. A burette holder for facilitating holding in a stoichiometric environment according to claim 1, wherein: second spout (21) have evenly been seted up at the both ends on bottom plate (2) top, and guide arm (19) are evenly transversely installed at the inside both ends of second spout (21), the one end in guide arm (19) outside all is provided with first spring (3), and all is provided with slider (20) that run through to bottom plate (2) top in first spring (3) one end second spout (21) outside, the top of slider (20) all articulates there is first fixed plate (4), and the bottom of first fixed plate (4) all is provided with second spring (22).

3. A burette holder for facilitating holding in a stoichiometric environment according to claim 1, wherein: one end of one side of the second device shell (7), which is far away from the first screw rod (5), is hinged with a first fixed rubber wheel (14), one end of the inside of the second device shell (7), which is close to the first screw rod (5), is provided with a first groove (16), and the bottom end of the first groove (16) is provided with a transmission rod (8) which penetrates through the top end of the second device shell (7) through a bearing.

4. A burette holder for facilitating holding in a stoichiometric environment according to claim 3, wherein: second commentaries on classics piece (13) are all installed on the top of transfer line (8), second cone nut (27) are all installed with the bottom to the top in the inside transfer line (8) outside of first recess (16), first spout (9) have all been seted up with the bottom on the inside top of first lead screw (5) one end second device shell (7) is kept away from in first recess (16), and first lead screw (5) one end is all installed through the bearing and run through to inside second lead screw (26) of first recess (16) to inside keeping away from in first spout (9).

5. A burette holder for facilitating holding in a stoichiometric environment according to claim 4, wherein: and one end of the second screw rod (26) close to the first screw rod (5) is provided with a first conical nut (25) meshed with a second conical nut (27), the outer side of the transmission rod (8) is provided with a second nut (15) in sliding connection with the first sliding groove (9), and one side of the second nut (15) is provided with a second fixed rubber wheel (24).

6. A burette holder for facilitating holding in a stoichiometric environment according to claim 1, wherein: second recess (30) have all been seted up to the bottom at the inside both ends of third recess (31), and third spring (29) are all installed to the inside one end of second recess (30), top (28) that run through to third recess (31) inside are all installed to third spring (29) one end.

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