CN106409077A - Hand-operated air exhauster for teaching - Google Patents
Hand-operated air exhauster for teaching Download PDFInfo
- Publication number
- CN106409077A CN106409077A CN201510819931.9A CN201510819931A CN106409077A CN 106409077 A CN106409077 A CN 106409077A CN 201510819931 A CN201510819931 A CN 201510819931A CN 106409077 A CN106409077 A CN 106409077A
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- CN
- China
- Prior art keywords
- piston
- piston cylinder
- gear
- air
- casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/12—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of liquids or gases
Abstract
The invention discloses a hand-operated air exhauster for teaching. The hand-operated air exhauster includes a base, a casing arranged on the base, a piston cavity and a gas storage chamber are arranged inside the casing, the top of the casing is provided with an air inlet communicated with the piston cavity and an air outlet communicated with the gas storage chamber, a first piston cylinder and a second piston cylinder are arranged inside the piston cavity, and the top end of the first piston cylinder and the top end of the second piston cylinder are provided with a curved transmission rod, one end of the curved transmission rod penetrates through the casing to extend to the outside, a first piston is arranged in the first piston cylinder, and a second piston is arranged in the second piston cylinder. The hand-operated air exhauster for teaching drives a second gear on the curved transmission rod through a first gear on the rotating shaft of a hand-operated wheel, and enables the curved transmission rod to accelerate the rotation rate by means of the gear ratio between the first gear and the second gear; and moreover, the hand-operated air exhauster changes a single piston cylinder into bidirectional double piston cylinders, thereby accelerating the gas work efficiency in the piston cavity and improving the exhaust efficiency of the air exhauster.
Description
Technical field
The present invention relates to education experiment apparatus technical field, specially a kind of teaching use hand air exhauster.
Background technology
During junior middle school physics teaching, a lot of courses need to carry out experimental demonstration, it is most that air exhauster uses in terms of gas pressure intensity, with gas outlet, experimental subject is pressurized by the air inlet on air exhauster or is reduced pressure, the pumping efficiency of existing hand air exhauster is low, often delays the substantial amounts of class period because of pumping, thus affecting the progress of course, for this reason, it is proposed that hand air exhauster is used in a kind of teaching.
Content of the invention
It is an object of the invention to provide hand air exhauster is used in a kind of teaching, to solve the problems, such as to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme：Hand air exhauster is used in a kind of teaching，Including base，On described base, casing is installed，Described casing internal is provided with plunger shaft and air storing cavity，The top of described casing is provided with the air inlet connecting with plunger shaft and the gas outlet connecting with air storing cavity，Described plunger shaft be internally provided with first piston cylinder and second piston cylinder，The top of described first piston cylinder and second piston cylinder is provided with curved drive link，And one end of curved drive link is run through casing and is extended to outside，It is provided with first piston in described first piston cylinder，It is provided with second piston in described second piston cylinder，And first piston and second piston are all connected with curved drive link by piston rod，The bottom of described first piston cylinder and second piston cylinder is provided with air vent，And plunger shaft is connected with air storing cavity by air vent，It is provided with air-vent on described first piston and second piston，And air vent and ventilative in the hole are provided with check valve.
The side of described casing is provided with handwheel by bearing block and rotating shaft, and the middle part of rotating shaft is provided with first gear, and described curved drive link is extended to and is provided with, on one end of outside, the second gear being engaged with first gear.
Preferably, the gear ratio between described first gear and second gear is 3：1.
Preferably, the handle outside described handwheel is cased with soft rubber protective case, and is provided with the anti-skid bulge of strip on the surface of soft rubber protective case.
Preferably, it is provided with drainage screen in described air inlet and gas outlet.
Compared with prior art, the invention has the beneficial effects as follows：The first gear that the hand air exhauster of this teaching passes through in the rotating shaft of handwheel drives the second gear on curved drive link, using the gear ratio between first gear and second gear, curved drive link is made to accelerate slewing rate, and single-piston cylinder is changed to two-way double piston cylinder, accelerate the air work efficiency of piston intracavity, thus improve the pumping efficiency of air exhauster.
Brief description
Fig. 1 is present configuration schematic diagram.
In figure：1 base, 2 casing, 3 plunger shaft, 4 air storing cavities, 5 first piston cylinders, 6 second piston cylinders, 7 curved drive links, 8 first pistons, 9 second pistons, 10 air inlets, 11 gas outlets, 12 handwheels, 13 first gears, 14 second gears, 15 air vents, 16 air-vents.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, broadly fall into the scope of protection of the invention.
Refer to Fig. 1, the present invention provides a kind of technical scheme：Hand air exhauster is used in a kind of teaching，Including base 1，Casing 3 is provided with base 1，Casing 3 is internally provided with plunger shaft 3 and air storing cavity 4，The top of casing 3 is provided with the air inlet 10 connecting with plunger shaft 3 and the gas outlet 11 connecting with air storing cavity 4，It is provided with drainage screen in air inlet 10 and gas outlet 11，For filtering the granule foreign of in the air，The granule foreign preventing in the air enters piston cylinder and so that piston cylinder is scratched，Thus affecting the sealing between piston cylinder and piston，Plunger shaft 3 be internally provided with first piston cylinder 5 and second piston cylinder 6，The top of first piston cylinder 5 and second piston cylinder 6 is provided with curved drive link 7，And one end of curved drive link 7 is run through casing 2 and is extended to outside，It is provided with first piston 8 in first piston cylinder 5，It is provided with second piston 9 in second piston cylinder 6，And first piston 8 and second piston 9 are all connected with curved drive link 7 by piston rod，The bottom of first piston cylinder 5 and second piston cylinder 6 is provided with air vent 15，And plunger shaft 3 is connected with air storing cavity 4 by air vent 15，It is provided with air-vent 16 on first piston 8 and second piston 9，And it is provided with check valve in air vent 15 and air-vent 16.
The side of casing 2 is provided with handwheel 12 by bearing block and rotating shaft; it is cased with soft rubber protective case on the handle in handwheel 12 outside; and it is provided with the anti-skid bulge of strip on the surface of soft rubber protective case; projection increases the frictional force with palm; prevent rubber sleeve during pumping; and the middle part of rotating shaft is provided with first gear 13; curved drive link 7 is extended to and is provided with, on one end of outside, the second gear 14 being engaged with first gear 13, and the gear ratio between first gear 13 and second gear 14 is 3：1, using the gear ratio between first gear 13 and second gear 14 so that curved drive link 7 accelerates slewing rate, driving two-way double-piston using higher slewing rate, accelerating the air work efficiency in plunger shaft 3, thus improve the pumping efficiency of air exhauster.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, it is appreciated that to carry out multiple changes, modification, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, the scope of the present invention be defined by the appended.
Claims (4)
1. a kind of teaching uses hand air exhauster, including base（1）, described base（1）On casing is installed（3）, described casing（3）It is internally provided with plunger shaft（3）And air storing cavity（4）, described casing（3）Top be provided with and plunger shaft（3）The air inlet of connection（10）And with air storing cavity（4）The gas outlet of connection（11）It is characterised in that：Described plunger shaft（3）Be internally provided with first piston cylinder（5）With second piston cylinder（6）, described first piston cylinder（5）With second piston cylinder（6）Top be provided with curved drive link（7）, and curved drive link（7）One end run through casing（2）Extend to outside, described first piston cylinder（5）Inside it is provided with first piston（8）, described second piston cylinder（6）Inside it is provided with second piston（9）, and first piston（8）And second piston（9）All by piston rod and curved drive link（7）Connect, described first piston cylinder（5）With second piston cylinder（6）Bottom be provided with air vent（15）, and plunger shaft（3）By air vent（15）With air storing cavity（4）Connection, described first piston（8）And second piston（9）On be provided with air-vent（16）, and air vent（15）With air-vent（16）Inside it is provided with check valve；
Described casing（2）Side handwheel is provided with by bearing block and rotating shaft（12）, and the middle part of rotating shaft is provided with first gear（13）, described curved drive link（7）It is provided with and first gear on the one end extending to outside（13）The second gear of engagement（14）.
2. a kind of teaching according to claim 1 with hand air exhauster it is characterised in that：Described first gear（13）And second gear（14）Between gear ratio be 3：1.
3. a kind of teaching according to claim 1 with hand air exhauster it is characterised in that：Described handwheel（12）It is cased with soft rubber protective case on the handle in outside, and be provided with the anti-skid bulge of strip on the surface of soft rubber protective case.
4. a kind of teaching according to claim 1 with hand air exhauster it is characterised in that：Described air inlet（10）And gas outlet（11）Inside it is provided with drainage screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819931.9A CN106409077A (en) | 2015-11-24 | 2015-11-24 | Hand-operated air exhauster for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819931.9A CN106409077A (en) | 2015-11-24 | 2015-11-24 | Hand-operated air exhauster for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106409077A true CN106409077A (en) | 2017-02-15 |
Family
ID=58008317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510819931.9A Pending CN106409077A (en) | 2015-11-24 | 2015-11-24 | Hand-operated air exhauster for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106409077A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109712495A (en) * | 2019-03-14 | 2019-05-03 | 西华师范大学 | A kind of Archimedes principle demonstrator |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040197203A1 (en) * | 2003-04-03 | 2004-10-07 | Lo-Pin Wang | Air pump capable of pumping air quickly |
| CN2804428Y (en) * | 2005-05-11 | 2006-08-09 | 胡高凑 | Electric three-piston high pressure air pump |
| CN101806295A (en) * | 2010-04-22 | 2010-08-18 | 陈人德 | Piston-type reciprocating double-action single-cylinder pumping device of vacuum pump |
| CN202250672U (en) * | 2011-03-04 | 2012-05-30 | 张宏选 | Efficient hand-operated inflator with vacuum pumping and inflating functions |
| CN102817805A (en) * | 2012-08-23 | 2012-12-12 | 昆山宝宏机械有限公司 | Manual air compressor |
| CN203099792U (en) * | 2012-12-18 | 2013-07-31 | 张新辉 | Boiler steam hot water recycling device |
| CN104612937A (en) * | 2015-03-06 | 2015-05-13 | 宁波捷美进出口有限公司 | Inflating pump for automobile |
| CN205354480U (en) * | 2015-11-24 | 2016-06-29 | 华巧波 | Hand air extractor is used in teaching |
-
2015
- 2015-11-24 CN CN201510819931.9A patent/CN106409077A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040197203A1 (en) * | 2003-04-03 | 2004-10-07 | Lo-Pin Wang | Air pump capable of pumping air quickly |
| CN2804428Y (en) * | 2005-05-11 | 2006-08-09 | 胡高凑 | Electric three-piston high pressure air pump |
| CN101806295A (en) * | 2010-04-22 | 2010-08-18 | 陈人德 | Piston-type reciprocating double-action single-cylinder pumping device of vacuum pump |
| CN202250672U (en) * | 2011-03-04 | 2012-05-30 | 张宏选 | Efficient hand-operated inflator with vacuum pumping and inflating functions |
| CN102817805A (en) * | 2012-08-23 | 2012-12-12 | 昆山宝宏机械有限公司 | Manual air compressor |
| CN203099792U (en) * | 2012-12-18 | 2013-07-31 | 张新辉 | Boiler steam hot water recycling device |
| CN104612937A (en) * | 2015-03-06 | 2015-05-13 | 宁波捷美进出口有限公司 | Inflating pump for automobile |
| CN205354480U (en) * | 2015-11-24 | 2016-06-29 | 华巧波 | Hand air extractor is used in teaching |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109712495A (en) * | 2019-03-14 | 2019-05-03 | 西华师范大学 | A kind of Archimedes principle demonstrator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |
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| RJ01 | Rejection of invention patent application after publication |