CN211652745U - Special burette of chemistry inspection - Google Patents
Special burette of chemistry inspection Download PDFInfo
- Publication number
- CN211652745U CN211652745U CN202020001616.1U CN202020001616U CN211652745U CN 211652745 U CN211652745 U CN 211652745U CN 202020001616 U CN202020001616 U CN 202020001616U CN 211652745 U CN211652745 U CN 211652745U
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- China
- Prior art keywords
- adjusting
- clamping plate
- splint
- burette
- buret
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Abstract
The utility model discloses a special buret of chemical inspection, including device base, stopper, buret main part, regulation installation piece and adjusting bolt, the welding has the device support on the device base, and the laminating is connected with the device splint on the device support to the laminating is connected with the splint fixed block on the device support, and the laminating of splint fixed block is connected in device splint bottom simultaneously, adjust installation piece threaded connection in buret main part top, and the laminating is connected with the regulation pole in the regulation installation piece to adjust the installation piece outer wall and be provided with the bolt mounting hole, the laminating of bolt mounting hole is connected with adjusting bolt simultaneously. This special buret of chemical inspection adopts the splint fixed block to fix it in former department when device splint horizontal migration, prevents to make device splint slide on the device support after the splint bolt on the device splint loosens, and the pressure device of this device installation at the top of buret main part can make the inspection personnel adjust titration speed according to the condition of inspection.
Description
Technical Field
The utility model relates to a buret technical field specifically is a special buret of chemistry inspection.
Background
The burette is the volume ware that is used for storing titrant solution in titration operation, can obtain the solution in the burette through the glass piston of adjusting the burette bottom when carrying out the chemistry experiment, makes things convenient for the operation of inspection personnel to the inspection solution when chemical inspection.
However, the existing burette does not have a limiting device when the horizontal angle needs to be adjusted when in use, so that the height of the burette is easy to change, the use of the burette is influenced, the existing burette does not have a pressurizing device, the burette can only drip through the potential energy of the solution, and much time is consumed when more solutions are needed. Therefore, a burette specially used for chemical examination needs to be designed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special buret of chemical examination to solve the problem that does not have stop device and does not have pressure device among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a burette special for chemical examination comprises a device base, a limiting block, a burette main body, an adjusting installation block and an adjusting bolt, wherein a device bracket is welded on the device base, a device clamping plate is connected on the device bracket in a laminating manner, a clamping plate fixing block is connected on the device bracket in a laminating manner, the clamping plate fixing block is connected to the bottom of the device clamping plate in a laminating manner, a clamping plate installation hole is formed in the outer wall of the clamping plate fixing block, a movable rod is connected in the clamping plate installation hole in a laminating manner, a movable spring is welded on the upper side of the bottom of the movable rod, the movable spring is welded on the inner wall of the clamping plate fixing block, the limiting block is connected to the device bracket in a laminating manner, a return spring is welded on the outer side of the limiting block, the return spring is welded on, and buret main part bottom hot melt is connected with the titration valve, and buret main part body hot melt is connected with the inlet tube simultaneously, adjust the installation piece threaded connection in buret main part top, and adjust the laminating and be connected with the regulation pole in the installation piece to adjust the installation piece outer wall and be provided with the bolt mounting hole, the laminating of bolt mounting hole is connected with adjusting bolt simultaneously, adjusting bolt meshes and connects in adjusting the pole, and adjusting bolt bolted connection is in the bearing to the bearing welds in adjusting the installation piece inner wall, and it has the adjusting plug to adjust pole bottom welding simultaneously.
Preferably, the base of the device is in a shape of a circular truncated cone, and the bottom of the base of the device is provided with protruding stripes.
Preferably, the device bracket is welded perpendicularly to the center point of the device base, and the device bracket is perpendicular to the device clamping plate.
Preferably, the splint fixed block is cylindrical, and the splint fixed block outer wall sets up the splint mounting hole and distributes for the axial symmetry.
Preferably, the front side of the adjusting rod is equidistantly provided with a lug, and the adjusting bolt connected with the adjusting rod in a meshed mode is equidistantly provided with a lug.
Preferably, the adjusting plug base is semicircular and is made of rubber.
Compared with the prior art, the beneficial effects of the utility model are that: the special burette for chemical examination adopts the mode that the clamping plate fixing block is arranged at the bottom of the clamping plate of the device, the special burette can be fixed in place when the clamping plate of the device moves horizontally, the clamping plate bolt on the clamping plate of the device is prevented from loosening to enable the clamping plate of the device to slide on the bracket of the device, and the pressurizing device arranged at the top of the main body of the burette can enable an inspector to control the gas pressure of the burette, so that the inspector can adjust the titration speed conveniently according to the examination condition;
1. the structure consisting of the device base, the device bracket, the device clamping plate, the clamping plate fixing block, the clamping plate mounting hole, the movable rod, the movable spring, the limiting block and the reset spring can prevent the burette main body from sliding up and down when the angle is horizontally adjusted, so as to prevent inaccurate inspection data;
2. the structure that buret main part, buret scale, titration valve, inlet tube, regulation installation piece, regulation pole, bolt mounting hole, adjusting bolt, bearing and adjusting plug are constituteed can make the inspection personnel can control the gas pressure in the buret through adjusting bolt to this titration rate of control interior inspection solution of buret.
Drawings
FIG. 1 is a front view of the cross-sectional structure of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
FIG. 3 is a schematic view of the point A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a point B shown in FIG. 2 according to the present invention;
fig. 5 is the utility model discloses the stopper looks down the sectional structure schematic diagram.
In the figure: 1. a device base; 2. a device holder; 3. a device clamp plate; 4. a splint fixing block; 5. a splint mounting hole; 6. a movable rod; 7. a movable spring; 8. a limiting block; 9. a return spring; 10. a burette body; 11. burette graduations; 12. a titration valve; 13. a water inlet pipe; 14. adjusting the mounting block; 15. adjusting a rod; 16. a bolt mounting hole; 17. adjusting the bolt; 18. a bearing; 19. the plug is adjusted.
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 a technical solution: a burette special for chemical examination comprises a device base 1, a device bracket 2, a device clamping plate 3, a clamping plate fixing block 4, a clamping plate mounting hole 5, a movable rod 6, a movable spring 7, a limiting block 8, a reset spring 9, a burette main body 10, a burette scale 11, a titration valve 12, a water inlet pipe 13, an adjusting mounting block 14, an adjusting rod 15, a bolt mounting hole 16, an adjusting bolt 17, a bearing 18 and an adjusting plug 19, wherein the device bracket 2 is welded on the device base 1, the device clamping plate 3 is connected on the device bracket 2 in a laminating manner, the clamping plate fixing block 4 is connected to the bottom of the device clamping plate 3 in a laminating manner, the clamping plate mounting hole 5 is arranged on the outer wall of the clamping plate fixing block 4, the movable rod 6 is connected in the clamping plate mounting hole 5 in a laminating manner, the movable spring 7 is welded, the limiting block 8 is attached to the device bracket 2, and the outside of the limiting block 8 is welded with a return spring 9, and the reset spring 9 is welded on the inner wall of the splint fixing block 4, the burette main body 10 is jointed and connected with the device splint 3, and the outer wall of the burette main body 10 is coated with burette scales 11, the bottom of the burette main body 10 is connected with a titration valve 12 in a hot melting way, the pipe body of the burette main body 10 is connected with a water inlet pipe 13 in a hot melting way, an adjusting installation block 14 is connected with the top of the burette main body 10 in a threaded way, an adjusting rod 15 is connected in the adjusting installation block 14 in a fitting way, and the outer wall of the adjusting and mounting block 14 is provided with a bolt mounting hole 16, the bolt mounting hole 16 is connected with an adjusting bolt 17 in a fitting manner, the adjusting bolt 17 is engaged and connected with the adjusting rod 15, the adjusting bolt 17 is connected with a bearing 18 in a bolting manner, and the bearing 18 is welded on the inner wall of the adjusting and mounting block 14, and the adjusting plug 19 is welded at the bottom of the adjusting rod 15.
In the embodiment, the device base 1 is in a round table shape, and the bottom of the device base 1 is provided with the raised stripes, the structural design can enable the device base 1 to have stronger friction force on the experiment table so as to enable the device base 1 to be more stable, and meanwhile, the raised stripes at the bottom of the device base 1 can effectively prevent accumulated water on the experiment table from sucking the bottom of the device base 1;
the device bracket 2 is vertically welded at the central point of the device base 1, and the device bracket 2 is vertical to the device clamping plate 3, the structure design can ensure that the burette main body 10 connected on the device clamping plate 3 is vertical to the experiment table, and the device clamping plate 3 can do circular motion around the central point of the device base 1 when rotating;
the clamp plate fixing block 4 is cylindrical, the clamp plate mounting holes 5 formed in the outer wall of the clamp plate fixing block 4 are distributed in an axisymmetric manner, and the clamp plate fixing block 4 can be released from the device bracket 2 by pressing the movable rod 6 on the clamp plate mounting holes 5 when the position of the clamp plate fixing block 4 is adjusted through the structural design;
the front side of the adjusting rod 15 is provided with the convex blocks at equal intervals, and the adjusting bolt 17 meshed and connected with the adjusting rod 15 is provided with the convex blocks at equal intervals, the structural design can drive the adjusting rod 15 to move up and down through the meshed connection of the adjusting bolt 17 and the adjusting rod 15 when the adjusting bolt 17 is rotated, so as to drive the adjusting plug 19 connected with the adjusting rod 15;
the base of the adjusting plug 19 is semicircular, the base of the adjusting plug 19 is made of rubber, and the structural design can enable the adjusting plug 19 to extrude air in the burette main body 10 to accelerate the titration speed of the test solution when the adjusting plug 19 moves in the burette main body 10;
the working principle is as follows: when the device is used, as shown in fig. 1-2, the burette main body 10 is arranged in the device clamp plate 3, then the test solution is added into the burette main body 10 from the water inlet pipe 13, the cover plate on the water inlet pipe 13 is screwed, the adjusting and mounting block 14 is screwed on the burette main body 10, at this time, the test solution can be dripped by adjusting the titration valve 12 at the bottom of the burette main body 10, when the test solution titration process needs to be accelerated, as shown in fig. 2 and 3, the adjusting rod 15 is driven by rotating the adjusting bolt 17 anticlockwise, the adjusting plug 19 at the bottom of the adjusting rod 15 moves downwards in the burette main body 10, so that the titration speed of the test solution in the burette main body 10 can be accelerated by the adjusting plug 19 in a mode of extruding the air in the burette main body 10, when the horizontal angle of the device clamp plate 3 needs to be adjusted, the bolt on the device clamp plate 3 can be rotated anticlockwise, then with device splint 3 rotate on splint fixed block 4 to predetermined angle clockwise rotation device splint 3 on again can, when the height of splint fixed block 4 needs to be adjusted, as shown in figure 4 and figure 5 through pressing down the movable rod 6 of installation in the splint mounting hole 5, make movable rod 6 extrude stopper 8 and break away from device support 2, can make splint fixed block 4 move about on device support 2, it can make movable rod 6 reset under the effort of activity spring 7 to loosen movable rod 6 when splint fixed block 4 moves about to predetermined position, stopper 8 resets to original position and clamping device support 2 through reset spring 9's effort simultaneously, can make splint fixed block 4 fix on device support 2.
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 (6)
1. The utility model provides a special buret of chemistry inspection, includes device base (1), stopper (8), buret main part (10), adjusts installation piece (14) and adjusting bolt (17), its characterized in that: the device is characterized in that a device support (2) is welded on a device base (1), a device clamping plate (3) is attached and connected to the device support (2), a clamping plate fixing block (4) is attached and connected to the device support (2), the clamping plate fixing block (4) is attached and connected to the bottom of the device clamping plate (3), a clamping plate mounting hole (5) is formed in the outer wall of the clamping plate fixing block (4), a movable rod (6) is attached and connected to the inner side of the clamping plate mounting hole (5), a movable spring (7) is welded to the upper side of the bottom of the movable rod (6), the movable spring (7) is welded to the inner wall of the clamping plate fixing block (4) at the same time, a limiting block (8) is attached and connected to the device support (2), a reset spring (9) is welded to the outer side of the limiting block (8), the reset spring (9) is welded, and buret main part (10) outer wall spraying has buret scale (11) to buret main part (10) bottom hot melt is connected with titration valve (12), and buret main part (10) body hot melt is connected with inlet tube (13) simultaneously, adjust installation piece (14) threaded connection in buret main part (10) top, and adjust installation piece (14) interior laminating and be connected with regulation pole (15), and adjust installation piece (14) outer wall and be provided with bolt mounting hole (16), bolt mounting hole (16) laminating is connected with adjusting bolt (17) simultaneously, adjusting bolt (17) meshing is connected in adjusting pole (15), and adjusting bolt (17) bolted connection in bearing (18), and bearing (18) weld in adjusting installation piece (14) inner wall, and it has adjusting plug (19) to adjust pole (15) bottom welding simultaneously.
2. The burette for chemical examination according to claim 1, wherein: the device base (1) is in a round table shape, and protruding stripes are arranged at the bottom of the device base (1).
3. The burette for chemical examination according to claim 1, wherein: the device bracket (2) is vertically welded at the central point of the device base (1), and the device bracket (2) is vertical to the device clamping plate (3).
4. The burette for chemical examination according to claim 1, wherein: splint fixed block (4) are cylindrical, and splint fixed block (4) outer wall sets up splint mounting hole (5) and distributes for the axial symmetry.
5. The burette for chemical examination according to claim 1, wherein: the front side of the adjusting rod (15) is equidistantly provided with a lug, and the adjusting bolt (17) meshed and connected with the adjusting rod (15) is equidistantly provided with a lug.
6. The burette for chemical examination according to claim 1, wherein: the base of the adjusting plug (19) is semicircular, and the base of the adjusting plug (19) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020001616.1U CN211652745U (en) | 2020-01-02 | 2020-01-02 | Special burette of chemistry inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020001616.1U CN211652745U (en) | 2020-01-02 | 2020-01-02 | Special burette of chemistry inspection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211652745U true CN211652745U (en) | 2020-10-09 |
Family
ID=72703037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020001616.1U Expired - Fee Related CN211652745U (en) | 2020-01-02 | 2020-01-02 | Special burette of chemistry inspection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211652745U (en) |
-
2020
- 2020-01-02 CN CN202020001616.1U patent/CN211652745U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 Termination date: 20210102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |