CN216024957U - Dropping funnel for chemistry experiments of adjustable dropping liquid volume - Google Patents
Dropping funnel for chemistry experiments of adjustable dropping liquid volume Download PDFInfo
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- CN216024957U CN216024957U CN202122736448.8U CN202122736448U CN216024957U CN 216024957 U CN216024957 U CN 216024957U CN 202122736448 U CN202122736448 U CN 202122736448U CN 216024957 U CN216024957 U CN 216024957U
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Abstract
The utility model discloses a dropping funnel capable of adjusting the dropping liquid amount for a chemical experiment, which comprises a funnel main body, wherein a liquid inlet pipe is installed at the upper end of the funnel main body, a sealing cover is installed at the upper end of the liquid inlet pipe, a detachable structure is arranged between the liquid inlet pipe and the sealing cover, a control box is installed at one side of the funnel main body, a control knob is installed on the surface of a shell of the control box, a control gear is installed inside the control box, the control knob is connected with the control gear through a rotating shaft, a moving rack is installed at the lower end of the control gear, the control gear and the moving rack are in meshing transmission, one end of the moving rack extends into the funnel main body through a blocking strip, and a rubber plug is arranged at one end of the blocking strip. According to the utility model, the control knob is arranged, and the gap between the rubber plug and the inner wall of the funnel can be adjusted by a gear meshing driving principle, so that the dropping liquid volume can be conveniently and conveniently controlled, and meanwhile, the liquid inlet end and the liquid outlet end are designed in a threaded manner, so that the funnel can be conveniently detached and cleaned.
Description
Technical Field
The utility model relates to the technical field of chemical experiment tools, in particular to a dropping funnel capable of adjusting dropping liquid amount for chemical experiments.
Background
The dropping funnel is convenient for adding liquid, does not have gas leakage when adding liquid, can control reaction rate's funnel through the speed of control dropping liquid, also can adorn on reaction unit, uses as dropwise add feed liquid.
The present dropping funnel for chemistry experiments is inconvenient to dropping liquid volume regulation control, is inconvenient to dismantle the washing to the dropping liquid pipe, easily causes the pollution, so the market needs to develop a novel dropping funnel for chemistry experiments of adjustable dropping liquid volume and solves the problem that the above-mentioned exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a dropping funnel for a chemical experiment, which can adjust the dropping liquid amount, and solves the problems that the current dropping funnel for the chemical experiment, which is proposed in the background art, is inconvenient to adjust and control the dropping liquid amount, is inconvenient to disassemble and clean a dropping liquid pipe, and is easy to cause pollution.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a dropping funnel for chemistry experiments of adjustable dropping liquid volume, includes the funnel main part, the feed liquor pipe is installed to the upper end of funnel main part, and sealed lid is installed to feed liquor pipe upper end, is detachable structure between feed liquor pipe and the sealed lid, the drain pipe is installed to the lower extreme of funnel main part, and the lower extreme of drain pipe is provided with the burette main part, is detachable structure between burette main part and the drain pipe, the control box is installed to one side of funnel main part, and the shell surface mounting of control box has control knob, and the internally mounted of control box has a control gear, and control knob is connected with the control gear through the pivot, the removal rack is installed to the lower extreme of control gear, through the meshing transmission between control gear and the removal rack, and the one end of removal rack extends to the inside of funnel main part through the shelves strip, and the one end of shelves strip is provided with the rubber buffer.
Preferably, the inside surface wall of sealed lid is provided with the internal thread, and the surface of feed liquor pipe is provided with the external screw thread.
Preferably, the sealing cover and the liquid inlet pipe are tightly screwed and fixed through internal threads and external threads.
Preferably, the surface of the funnel main body is provided with a measuring scale, and a fixed handle is arranged on the side surface of the funnel main body.
Preferably, a threaded hole is formed in the liquid outlet pipe, and the dropper main body is tightly screwed with the threaded hole through a threaded end.
Preferably, a protective cover is arranged outside the dropper body.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the funnel comprises a funnel main body, a control box is installed on one side of the funnel main body, a control knob is installed on the surface of a shell of the control box and connected with a control gear through a rotating shaft, a movable rack is installed at the lower end of the control gear, one end of the movable rack extends into the funnel main body through a blocking strip, a rubber plug is arranged at one end of the blocking strip, the control knob rotates forwards and backwards through operation, meshing transmission is conducted between a driving control gear and the movable rack, the movable rack is driven to do horizontal linear motion, a gap between the rubber plug and the inner wall of the funnel can be adjusted, and therefore the dropping liquid amount can be conveniently controlled in a portable mode;
(2) feed liquor pipe is installed to the upper end of funnel main part, sealed lid is installed to feed liquor pipe upper end, be detachable structure between feed liquor pipe and the sealed lid, adopt the screw thread to connect the mode soon and can seal feed liquor pipe department, conveniently add liquid, play sealed guard action simultaneously, the drain pipe is installed to the lower extreme of funnel main part, the lower extreme of drain pipe is provided with the burette main part, be detachable structure between burette main part and the drain pipe, connect the mode soon through utilizing the screw thread and install burette main part fixedly, the convenience is dismantled it and is washd, possess the fixed convenient advantage of installation.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is a partial schematic view of the present invention;
FIG. 3 is a schematic view of the sealing cap of the present invention;
FIG. 4 is a schematic diagram of the inlet structure of the present invention;
fig. 5 is a schematic view of a dropper body according to the present invention.
In the figure: 1. a sealing cover; 2. a liquid inlet pipe; 3. a funnel body; 4. measuring scales; 5. a liquid outlet pipe; 6. a dropper body; 7. fixing a handle; 8. a control box; 9. a control knob; 10. moving the rack; 11. a rubber plug; 12. a stop bar; 13. a control gear; 14. an internal thread; 15. an external thread; 16. a threaded hole; 17. a threaded end; 18. a protective housing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an embodiment of the present invention is shown: a dropping funnel capable of adjusting dropping liquid amount for chemical experiments comprises a funnel main body 3, a liquid inlet pipe 2 is installed at the upper end of the funnel main body 3, a sealing cover 1 is installed at the upper end of the liquid inlet pipe 2, a detachable structure is arranged between the liquid inlet pipe 2 and the sealing cover 1, a liquid outlet pipe 5 is installed at the lower end of the funnel main body 3, a dropper main body 6 is arranged at the lower end of the liquid outlet pipe 5, a detachable structure is arranged between the dropper main body 6 and the liquid outlet pipe 5, a control box 8 is installed at one side of the funnel main body 3, a control knob 9 is installed on the surface of the shell of the control box 8, a control gear 13 is installed inside the control box 8, the control knob 9 is connected with the control gear 13 through a rotating shaft, a moving rack 10 is installed at the lower end of the control gear 13, the control gear 13 is in meshing transmission with the moving rack 10, one end of the moving rack 10 extends to the inner part of the funnel main body 3 through a baffle 12, one end of the stop bar 12 is provided with a rubber plug 11.
Further, the inner surface wall of the sealing cover 1 is provided with an internal thread 14, and the outer surface of the liquid inlet pipe 2 is provided with an external thread 15.
Furthermore, the sealing cover 1 and the liquid inlet pipe 2 are tightly screwed and fixed through an internal thread 14 and an external thread 15.
Further, the surface of the funnel main body 3 is provided with a measuring scale 4, and a fixed handle 7 is installed on the side surface of the funnel main body 3.
Further, a threaded hole 16 is formed in the liquid outlet pipe 5, and the dropper body 6 is tightly screwed with the threaded hole 16 through a threaded end 17.
Further, a protective cover 18 is provided outside the dropper body 6.
The working principle is as follows: when in use, a control box 8 is installed at one side of a funnel main body 3, a control knob 9 is installed on the surface of the shell of the control box 8, a control gear 13 is installed inside the control box 8, the control knob 9 is connected with the control gear 13 through a rotating shaft, a movable rack 10 is installed at the lower end of the control gear 13, the control gear 13 and the movable rack 10 are in meshing transmission, one end of the movable rack 10 extends into the funnel main body 3 through a baffle 12, a rubber plug 11 is arranged at one end of the baffle 12, the control knob 9 is operated to positively rotate, so that the control gear 13 and the movable rack 10 are in meshing transmission, the movable rack 10 is driven to horizontally and linearly move, a gap between the rubber plug 11 and the inner wall of the funnel can be adjusted, the dropping liquid quantity can be conveniently and conveniently controlled in a reverse mode, a liquid inlet pipe 2 is installed at the upper end of the funnel main body 3, a sealing cover 1 is installed at the upper end of the liquid inlet pipe 2, be detachable structure between feed liquor pipe 2 and the sealed lid 1, adopt the screw thread to connect the mode soon and can seal feed liquor pipe 2 department, conveniently add liquid, play sealed guard action simultaneously, drain pipe 5 is installed to the lower extreme of funnel main part 3, the lower extreme of drain pipe 5 is provided with burette main part 6, be detachable structure between burette main part 6 and the drain pipe 5, connect the mode soon through utilizing the screw thread and install burette main part 6 fixedly, the convenience is dismantled it and is washd, possess the fixed convenient advantage of installation.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 dropping funnel for chemistry experiments of adjustable dropping liquid volume, includes funnel main part (3), its characterized in that, feed liquor pipe (2) are installed to the upper end of funnel main part (3), and sealed lid (1) is installed to feed liquor pipe (2) upper end, is detachable structure between feed liquor pipe (2) and sealed lid (1), drain pipe (5) are installed to the lower extreme of funnel main part (3), and the lower extreme of drain pipe (5) is provided with burette main part (6), is detachable structure between burette main part (6) and drain pipe (5), control box (8) are installed to one side of funnel main part (3), and the shell surface mounting of control box (8) has control knob (9), and the internally mounted of control box (8) has control gear (13), and control knob (9) are connected with control gear (13) through the pivot, removal rack (10) are installed to the lower extreme of control gear (13), the control gear (13) and the movable rack (10) are in meshing transmission, one end of the movable rack (10) extends into the funnel main body (3) through the barrier strip (12), and one end of the barrier strip (12) is provided with a rubber plug (11).
2. The dropping funnel capable of adjusting the dropping amount of chemicals according to claim 1, wherein: the inner surface wall of the sealing cover (1) is provided with an internal thread (14), and the outer surface of the liquid inlet pipe (2) is provided with an external thread (15).
3. The dropping funnel capable of adjusting the dropping amount of chemicals according to claim 2, wherein: the sealing cover (1) and the liquid inlet pipe (2) are tightly screwed and fixed through internal threads (14) and external threads (15).
4. The dropping funnel capable of adjusting the dropping amount of chemicals according to claim 1, wherein: the surface of funnel main part (3) is provided with measures scale (4), and fixed handle (7) are installed to the side surface of funnel main part (3).
5. The dropping funnel capable of adjusting the dropping amount of chemicals according to claim 1, wherein: a threaded hole (16) is formed in the liquid outlet pipe (5), and the dropper main body (6) is tightly screwed with the threaded hole (16) through a threaded end (17).
6. The dropping funnel capable of adjusting the dropping amount of chemicals according to claim 1, wherein: a protective cover shell (18) is arranged outside the dropper main body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122736448.8U CN216024957U (en) | 2021-11-10 | 2021-11-10 | Dropping funnel for chemistry experiments of adjustable dropping liquid volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122736448.8U CN216024957U (en) | 2021-11-10 | 2021-11-10 | Dropping funnel for chemistry experiments of adjustable dropping liquid volume |
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| Publication Number | Publication Date |
|---|---|
| CN216024957U true CN216024957U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122736448.8U Active CN216024957U (en) | 2021-11-10 | 2021-11-10 | Dropping funnel for chemistry experiments of adjustable dropping liquid volume |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117986529A (en) * | 2024-04-03 | 2024-05-07 | 潍坊弘润石化科技有限公司 | Novel polyetherimide-based epoxy resin and preparation method thereof |
-
2021
- 2021-11-10 CN CN202122736448.8U patent/CN216024957U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117986529A (en) * | 2024-04-03 | 2024-05-07 | 潍坊弘润石化科技有限公司 | Novel polyetherimide-based epoxy resin and preparation method thereof |
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