CN212309640U

CN212309640U - Stable burette fixing frame for chemometry

Info

Publication number: CN212309640U
Application number: CN202020812356.6U
Authority: CN
Inventors: 朱彪
Original assignee: Jiangsu Qiyuan Testing Technology Co Ltd
Current assignee: Jiangsu Qiyuan Testing Technology Co Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-01-08
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a stable form buret mount for chemometry, including bottom plate, sleeve, lifter and ring gear, the intermediate position department on bottom plate top installs the sleeve, and telescopic inside is provided with the lifter, the outside of lifter is installed and is placed the piece, the outside of lifter is provided with the installation piece, and the installation piece is located places a top, the support frame is all installed to the both sides of installation piece, and the inside of support frame has seted up the standing groove, spacing hole has all been seted up to the outside lateral wall of lifter, the second spout has all been seted up to telescopic outside lateral wall, and the inside of second spout is provided with the ring gear, the dead slot has been seted up to telescopic inside equidistant. This kind of stable form buret mount for chemometry drives the screw rod through rotating the torsion and meshes the rotation with the screw hole to the screw rod drives fixed block and block rubber and presss from both sides tightly the buret of different diameters.

Description

Stable burette fixing frame for chemometry

Technical Field

The utility model relates to a mount technical field specifically is a stable form buret mount for stoichiometry.

Background

The buret divide into alkali buret and acid buret, and alkali buret, rubber tube, glass pearl and volume are got or are titrated the alkali solution, and acid buret, glass piston and volume are got or are titrated acid solution etc. and traditional stable form buret mount for the stoichiometry basically can satisfy people's user demand, but still have certain not had the problem that protective apparatus and training purpose are not enough, and specific problem is as follows:

1. most of stable form buret mounts for chemometry on the existing market can not press from both sides the buret of tight different diameters size, lead to pressing from both sides tight buret size range little, and the practicality is not high.

2. Most of stable form buret mounts for chemometry on the existing market can not press from both sides tightly the buret of co-altitude not, and when the buret support was too low, can't press from both sides tightly too high buret.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stable form buret mount for stoichiometry to solve the buret that can't press from both sides tight different diameters size that proposes in the above-mentioned background art and can not adjust the problem of not co-altitude buret.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stable form buret mount for chemometrics, includes bottom plate, sleeve, lifter and ring gear, the intermediate position department on bottom plate top installs the sleeve, and telescopic inside is provided with the lifter, the outside of lifter is installed and is placed the piece, the outside of lifter is provided with the installation piece, and the installation piece is located places a top, the support frame is all installed to the both sides of installation piece, and the inside of support frame has seted up the standing groove, spacing hole has all been seted up to the outside lateral wall of lifter, the second spout has all been seted up to telescopic outside lateral wall, and the inside of second spout is provided with the ring gear, the dead slot has been seted up to telescopic inside equidistant.

Preferably, threaded holes are formed in the side wall of one side of the supporting frame, a screw rod is arranged inside the placing groove, a fixing block is installed on one side, close to the placing groove, of the screw rod, rubber blocks are arranged inside the fixing block and the placing groove, and a rotating knob is installed on one side, far away from the rubber blocks, of the screw rod.

Preferably, the top of lifter all sets up flutedly, and the inside of recess articulates there is the fixed plate, the fixed plate is located the top of installation piece, the top of fixed plate articulates there is the second backup pad, and one side that the fixed plate was kept away from to the second backup pad articulates there is first backup pad, one side that the second backup pad was kept away from to first backup pad is articulated mutually with the recess.

Preferably, a rotating shaft is installed in the empty groove through a bearing, and a gear meshed with the gear ring is installed on the outer wall of the rotating shaft.

Preferably, the top end inside the empty groove is provided with a first sliding groove, a sliding rod is arranged inside the first sliding groove, and a spring connected with the first sliding groove is arranged inside the first sliding groove.

Preferably, a toothed bar meshed with the gear is arranged at the bottom end of the sliding bar and penetrates through the limiting hole.

Compared with the prior art, the beneficial effects of the utility model are that: the stable burette fixing frame for stoichiometry;

1. through installing spacing hole, ring gear and gear, operating personnel drives the gear meshing through rotating the ring gear and rotates to the gear drives the rack bar meshing and removes, and then the rack bar drives the slide bar and extrudees to the spring in the standing groove, then the rack bar separates with spacing hole, loosens the ring gear when operating personnel, then drives the rack bar under the effect of spring and carries out card and installation with spacing hole, and this structure is convenient for fast card and installation.

2. Meanwhile, the device is provided with a screw rod, a fixing block and a threaded hole, and an operator drives the screw rod to be meshed with the threaded hole to rotate through rotating and twisting, so that the screw rod drives the fixing block and the rubber block to clamp burettes with different diameters.

3. The device is through installing the installation piece, placing piece and lifter simultaneously, and operating personnel overlaps the outside of lifter with the installation piece to placing piece upper end, overturns the fixed plate to the outside after that to drive second backup pad and overturn with first backup pad, support fixed to the fixed plate, this structure is convenient for install fixed and dismantlement the installation piece.

Drawings

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

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

Fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

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

Fig. 5 is an enlarged schematic view of the part C in fig. 1 according to the present invention.

Fig. 6 is a schematic top sectional view of the gear ring and the sleeve according to the present invention.

In the figure: 1. a base plate; 2. a sleeve; 3. a limiting hole; 4. turning; 5. a screw; 6. a fixed block; 7. a support frame; 8. mounting blocks; 9. placing the blocks; 10. a lifting rod; 11. a toothed ring; 12. an empty groove; 13. a rack bar; 14. a slide bar; 15. a gear; 16. a rotating shaft; 17. a spring; 18. a first chute; 19. a second chute; 20. a first support plate; 21. a fixing plate; 22. a groove; 23. a second support plate; 24. a placement groove; 25. a threaded hole; 26. a rubber block.

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. 1-6, the present invention provides a technical solution: the utility model provides a stable form buret mount for stoichiometry, includes bottom plate 1, sleeve 2, lifter 10 and ring gear 11, and sleeve 2 is installed to the intermediate position department on bottom plate 1 top, and the inside of sleeve 2 is provided with lifter 10.

The top of lifter 10 all sets up fluted 22, and the inside of recess 22 articulates there is fixed plate 21, fixed plate 21 is located the top of installation piece 8, the top of fixed plate 21 articulates there is second backup pad 23, and one side that fixed plate 21 was kept away from to second backup pad 23 articulates there is first backup pad 20, one side that second backup pad 23 was kept away from to first backup pad 20 is articulated mutually with recess 22, through removing fixed plate 21 in to recess 22, then it takes place to fold to drive second backup pad 23 and first backup pad 20, this structure is convenient for install and dismantle installation piece 8.

The outside of lifter 10 is installed and is placed piece 9, and the outside of lifter 10 is provided with installation piece 8, and installation piece 8 is located and places 9 tops, and support frame 7 is all installed to the both sides of installation piece 8.

Threaded hole 25 has all been seted up to one side lateral wall of support frame 7, and the inside of standing groove 24 is provided with screw rod 5, fixed block 6 is installed to one side that screw rod 5 is close to standing groove 24, fixed block 6 and standing groove 24 are inside all to be provided with rubber block 26, screw rod 5 is kept away from one side of rubber block 26 and is installed the turn-knob 4, turn-knob 4 through rotating and drive screw rod 5 and screw hole 25 and mesh the rotation, thereby drive fixed block 6 and rubber block 26 and move to one side, and then can press from both sides the buret of tight different diameters size.

The placing groove 24 is formed in the supporting frame 7, the limiting holes 3 are formed in the outer side wall of the lifting rod 10, the second sliding grooves 19 are formed in the outer side wall of the sleeve 2, the toothed rings 11 are arranged in the second sliding grooves 19, and the hollow grooves 12 are formed in the sleeve 2 at equal intervals.

The pivot 16 is installed through the bearing in the inside of

dead slot

12, and 16 outer walls of pivot install with ring gear 11 engaged with gear 15, and operating personnel is through rotating ring gear 11 to ring gear 11 drives gear 15 and ratch 13 engaged with and removes, and this structure passes through transmission structure, realizes fast calorie and.

First spout 18 has all been seted up on the inside top of dead slot 12, and the inside of first spout 18 is provided with slide bar 14, and first spout 18 is inside to be provided with the spring 17 that is connected with first spout 18, and when operating personnel rotated ring gear 11, then ratch 13 and spacing hole 3 separation to drive spring 17 and take place the shrink, and when operating personnel did not rotate ring gear 11, under the elastic action through spring 17, make ratch 13 reconversion and spacing hole 3 block and fix.

The bottom end of the sliding rod 14 is provided with a toothed bar 13 meshed with a gear 15, and the toothed bar 13 penetrates through the inside of the limiting hole 3, so that when the gear 15 rotates, the toothed bar 13 is driven to be separated from the limiting hole 3, and the structure is convenient to fast clamp and fix.

The working principle is as follows: when the stable burette fixing frame for chemometry is used, an operator firstly adjusts the height of the supporting frame 7, the toothed ring 11 is held and rotated by hands, so that the toothed ring 11 drives the gear 15 to be meshed and rotated, and then the gear 15 drives the toothed rod 13 to be separated from the limiting hole 3, the toothed rod 13 extrudes the spring 17 through the sliding rod 14 to shrink, at the moment, the other hand of the operator upwards moves the lifting rod 10 to a proper position, the toothed ring 11 is loosened, the toothed rod 13 is driven to be clamped and fixed in the limiting hole 3 under the elastic force action of the spring 17, so that the heights of the lifting rod 10 and the sleeve 2 are fixed, the burettes with different heights are convenient to install, and when the device is not used, the lifting rod 10 can be placed at the lowest position in the sleeve 2 to realize folding, the storage space is reduced, when the operator needs to fixedly install the burettes with different diameters, through holding with the hand and rotating turn round 4 and drive screw rod 5 and screw hole 25 and mesh and rotate, thereby drive fixed block 6 and block rubber 26 and carry out the high-speed grip to the burette in standing groove 24, this press from both sides tight structure, high durability and convenient use, the operation is thus simple, when operating personnel need support frame 7 to dismantle and accomodate, through removing fixed plate 21 to recess 22 inboard, then second backup pad 23 takes place to fold with first backup pad 20, after that with installation piece 8 upwards slip and lifter 10 separation, this structure is convenient for install and dismantle support frame 7, and convenient to carry installs swiftly, do above the utility model discloses a whole principle.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a stable form buret mount for stoichiometry, includes bottom plate (1), sleeve (2), lifter (10) and ring gear (11), its characterized in that: the utility model discloses a support structure, including bottom plate (1), bottom plate, mounting block (8), mounting block (9), support frame (7) have all been installed to the both sides of mounting block (8), and standing groove (24) have been seted up to the inside of support frame (7), spacing hole (3) have all been seted up to the outside lateral wall of lifter (10), second spout (19) have all been seted up to the outside lateral wall of sleeve (2), and the inside of second spout (19) is provided with ring gear (11), dead slot (12) have been seted up to the inside equidistant of sleeve (2).

2. A stable, stoichiometric burette holder according to claim 1, wherein: threaded holes (25) are formed in the side wall of one side of the supporting frame (7), a screw rod (5) is arranged inside the placing groove (24), a fixing block (6) is installed on one side, close to the placing groove (24), of the screw rod (5), rubber blocks (26) are arranged inside the fixing block (6) and the placing groove (24), and a rotating knob (4) is installed on one side, far away from the rubber blocks (26), of the screw rod (5).

3. A stable, stoichiometric burette holder according to claim 1, wherein: the top of lifter (10) all sets up fluted (22), and the inside of recess (22) articulates there is fixed plate (21), fixed plate (21) are located the top of installation piece (8), the top of fixed plate (21) articulates there is second backup pad (23), and second backup pad (23) keep away from one side of fixed plate (21) and articulate there is first backup pad (20), one side that second backup pad (23) were kept away from in first backup pad (20) is articulated mutually with recess (22).

4. A stable, stoichiometric burette holder according to claim 1, wherein: a rotating shaft (16) is installed in the empty groove (12) through a bearing, and a gear (15) meshed with the gear ring (11) is installed on the outer wall of the rotating shaft (16).

5. A stable, stoichiometric burette holder according to claim 4, wherein: first sliding grooves (18) are formed in the top ends of the inner portions of the empty grooves (12), sliding rods (14) are arranged in the first sliding grooves (18), and springs (17) connected with the first sliding grooves (18) are arranged in the first sliding grooves (18).

6. A stable, stoichiometric burette holder according to claim 5, wherein: the bottom end of the sliding rod (14) is provided with a toothed bar (13) meshed with the gear (15), and the toothed bar (13) penetrates through the inside of the limiting hole (3).