CN207233266U - A kind of liquid pressure demonstrating device - Google Patents
A kind of liquid pressure demonstrating device Download PDFInfo
- Publication number
- CN207233266U CN207233266U CN201720863902.7U CN201720863902U CN207233266U CN 207233266 U CN207233266 U CN 207233266U CN 201720863902 U CN201720863902 U CN 201720863902U CN 207233266 U CN207233266 U CN 207233266U
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- CN
- China
- Prior art keywords
- glass infuser
- liquid
- pressure
- fixed
- liquid pressure
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- 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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Abstract
The utility model discloses a kind of liquid pressure demonstrating device,Including water accumulating disc,The left side open-mouth of the water accumulating disc is fixed with the fixed frame of " L " type,The right end of the fixed frame horizontal component is fixed with glass infuser,The inner cavity of the glass infuser is equipped with adjustable pipe,This liquid pressure demonstrating device,It is simple in structure,One is multi-purpose,It is easy to carry,Height-adjustable can, which is realized, detects the pressure of different depth liquid in glass infuser,The pressure for specifying liquid is directly proportional to residing depth,By setting ball cylinder and permeable hole intuitively to reflect the directionality of liquid pressure,By air inlet pipe to injecting air between cavity and elastical cloth,Change the actual volume of glass infuser while elastical cloth expands,Then it can intuitively reflect that the pressure of liquid is unrelated with the volume of liquid by the detection of pressure gage,Liquid is collected by water accumulating disc during use,Avoid damaging experimental situation,Easy to arrange,It is easy to use.
Description
Technical field
Physics teaching equipment technical field is the utility model is related to, is specially a kind of liquid pressure demonstrating device.
Background technology
Common demenstration method when experiment is physics teaching, can intuitively reflect the characteristic of physics, help student into
Row understands that pressure apparatus for demonstrating used by existing physical teaching material, glass bottom of the tube and sidewall opening prick the device for having rubber membrane
Existing opening is small, epithelium protrusion degree is smaller, and pressure embodiment is not obvious enough, and the species and depth of liquid pressure and liquid have
Close, existing teaching aid cannot directly embody the pressure rule unrelated with volume, while existing apparatus for demonstrating unicity is strong, Jiao Shi
Needed upper class hour to carry a variety of vessel, use is very inconvenient.
Utility model content
The technical problems to be solved in the utility model is to overcome the defects of existing, there is provided a kind of liquid pressure demonstrating device,
It is simple in structure, it is vdiverse in function, it is easy to carry, simple Physical Experiment demonstration can be carried out, clearly reflects pressure and depth, body
Long-pending relation, it is very clear, cognition of the student to liquid pressure is improved, can effectively be solved the problems, such as in background technology.
To achieve the above object, the utility model provides following technical solution：A kind of liquid pressure demonstrating device, including product
Water pond, the left side open-mouth of the water accumulating disc are fixed with the fixed frame of " L " type, and the right end of the fixed frame horizontal component is fixed with
Glass infuser, the inner cavity of the glass infuser are equipped with adjustable pipe, and the lower end side of the adjustable pipe is evenly distributed with inclined connecting rod,
The lower face of the connecting rod is fixed with piston plate, and can, the fixation are inlaid with the middle part mounting groove of the piston plate
The horizontal component upper surface of frame is provided with pressure gage, and the interface of the pressure gage is equipped with rubber tube, the end of the rubber tube
It is connected through the inner cavity of adjustable pipe with can.
As a kind of optimal technical scheme of the utility model, the glass infuser is the cylindrical shell of upper end opening, institute
The lower end transition for stating glass infuser is connected with ball cylinder, and the side of the ball cylinder is evenly distributed with permeable hole.
As a kind of optimal technical scheme of the utility model, cavity is equipped with the middle part of the medial surface of the glass infuser, it is described
The inside edge of cavity is closed by elastical cloth and bonded, and the lateral surface of the glass infuser is equipped with the air inlet pipe communicated with cavity.
As a kind of optimal technical scheme of the utility model, the side of glass infuser upper end open-mouth is fixed with branch
Frame, the end of the stent are provided with geometrical clamp, and the adjustable pipe passes through the gap of two lever arm of geometrical clamp, and adjustable pipe is outer
Side is equipped with anti-skid chequer.
As a kind of optimal technical scheme of the utility model, the upper side of the glass infuser is fixed with end and extends to
The upper hose of water accumulating disc intracavity bottom, the lower end of the upper hose are provided with charging pump, the input terminal and ponding of the charging pump
The output terminal of disk lateral surface controlling switch is connected, and the input terminal of the controlling switch is connected with the output terminal of external power supply.
Compared with prior art, the beneficial effects of the utility model are：This liquid pressure demonstrating device, it is simple in structure, one
Body uses, easy to carry, and height-adjustable can, which is realized, detects the pressure of different depth liquid in glass infuser, specifies liquid
The pressure of body is directly proportional to residing depth, by setting ball cylinder and permeable hole intuitively to reflect the side of liquid pressure
Tropism, by air inlet pipe to air is injected between cavity and elastical cloth, changes the actual body of glass infuser while elastical cloth expands
Product, then can intuitively reflect that the pressure of liquid is unrelated with the volume of liquid by the detection of pressure gage, and when use passes through product
Water pond is collected liquid, avoids damaging experimental situation, easy to use easy to arrange.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model partial structural diagram.
In figure：1 water accumulating disc, 2 fixed frames, 3 glass infusers, 301 ball cylinders, 302 cavitys, 303 air inlet pipe, 4 adjustable pipes, 5 connections
Bar, 6 piston plates, 7 cans, 8 elastical cloths, 9 rubber tubes, 10 pressure gages, 11 geometrical clamps, 12 upper hoses, 13 charging pumps, 14 controls
Switch.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of liquid pressure demonstrating device, including ponding
Disk 1, the left side open-mouth of water accumulating disc 1 are fixed with the fixed frame 2 of " L " type, and the right end of 2 horizontal component of fixed frame is fixed with glass infuser
3, glass infuser 3 is the cylindrical shell of upper end opening, and the lower end transition of glass infuser 3 is connected with ball cylinder 301, the side of ball cylinder 301
Permeable hole is evenly distributed with, is equipped with cavity 302 in the middle part of the medial surface of glass infuser 3, the inside edge of cavity 302 passes through elastical cloth 8
Closing bonding, the lateral surface of glass infuser 3 are equipped with the air inlet pipe 303 communicated with cavity 302, by air inlet pipe 303 to 302 He of cavity
Air is injected between elastical cloth 8, changes the actual volume of glass infuser 3 while elastical cloth 8 expands, then passes through the inspection of pressure gage 10
Survey can intuitively reflect that the pressure of liquid is unrelated with the volume of liquid, and the inner cavity of glass infuser 3 is equipped with adjustable pipe 4, glass infuser 3
The side of upper end open-mouth is fixed with stent, and the end of stent is provided with geometrical clamp 11, and adjustable pipe 4 passes through 11 liang of activities of geometrical clamp
The gap of arm, and the lateral surface of adjustable pipe 4 is equipped with anti-skid chequer, the lower end side of adjustable pipe 4 is evenly distributed with inclined connecting rod
5, the lower face of connecting rod 5 is fixed with piston plate 6, and can 7, the water of fixed frame 2 are inlaid with the middle part mounting groove of piston plate 6
Flat portion of upper surface is provided with pressure gage 10, and the interface of pressure gage 10 is equipped with rubber tube 9, and the end of rubber tube 9 passes through activity
The inner cavity of pipe 4 is connected with can 7, and the upper side of glass infuser 3 is fixed with the upper water that end extends to 1 intracavity bottom of water accumulating disc
Pipe 12, the lower end of upper hose 12 are provided with charging pump 13, input terminal and the 1 lateral surface controlling switch 14 of water accumulating disc of charging pump 13
Output terminal is connected, and the input terminal of controlling switch 14 is connected with the output terminal of external power supply, this liquid pressure demonstrating device, structure letter
Single, one is multi-purpose, easy to carry, and height-adjustable can 7, which is realized, examines the pressure of different depth liquid in glass infuser 3
Survey, it is directly proportional to residing depth to specify the pressure of liquid, by setting ball cylinder 301 and permeable hole intuitively to reflect
The directionality of liquid pressure, when use, are collected liquid by water accumulating disc 1, avoid damaging experimental situation, are easy to
Arrange, it is easy to use.
When in use：The relation of pressure and depth, depressing adjustable pipe 4 and piston plate 6 makes can 7 be in glass infuser 3
Bottom, opening charging pump 13 makes the water in water accumulating disc 1 be entered by upper hose 12 in glass infuser 3, pulls up adjustable pipe 4
The depth of can 7 is set to change, then the depth of liquid reduces, and can intuitively reflect that liquid pressure is directly proportional to depth；
The relation of pressure and volume, keeps the depth of can 7 constant, and the upside of glass infuser 3 is full of water, by air inlet pipe 303 to elasticity
Inflated between cloth 8 and cavity 302, then the depth of liquid is constant in glass infuser 3, and volume reduces, but pressure is constant；The direction of pressure
Property, piston plate 6 is moved to 301 inner cavity of ball cylinder, liquid enters ball cylinder 301 from glass infuser 3, and liquid is saturating by multiple directions
Water hole sprays, this shows the pressure one way or another transmission of liquid.
The utility model is simple in structure, vdiverse in function, easy to carry, can carry out simple Physical Experiment demonstration, clearly
Reflect pressure and depth, the relation of volume, it is very clear, improve cognition of the student to liquid pressure.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of liquid pressure demonstrating device, including water accumulating disc（1）, it is characterised in that：The water accumulating disc（1）Left side open-mouth
It is fixed with the fixed frame of " L " type（2）, the fixed frame（2）The right end of horizontal component is fixed with glass infuser（3）, the glass infuser
（3）Inner cavity be equipped with adjustable pipe（4）, the adjustable pipe（4）Lower end side be evenly distributed with inclined connecting rod（5）, it is described
Connecting rod（5）Lower face be fixed with piston plate（6）, the piston plate（6）Middle part mounting groove in be inlaid with can（7）,
The fixed frame（2）Horizontal component upper surface pressure gage is installed（10）, the pressure gage（10）Interface be equipped with rubber
Pipe（9）, the rubber tube（9）End pass through adjustable pipe（4）Inner cavity and can（7）It is connected.
A kind of 2. liquid pressure demonstrating device according to claim 1, it is characterised in that：The glass infuser（3）For upper end
Open cylindrical shell, the glass infuser（3）Lower end transition be connected with ball cylinder（301）, the ball cylinder（301）Side it is equal
It is even that permeable hole is distributed with.
A kind of 3. liquid pressure demonstrating device according to claim 1, it is characterised in that：The glass infuser（3）Inner side
Middle face is equipped with cavity（302）, the cavity（302）Inside edge pass through elastical cloth（8）Closing bonding, the glass infuser
（3）Lateral surface be equipped with and cavity（302）The air inlet pipe communicated（303）.
A kind of 4. liquid pressure demonstrating device according to claim 1, it is characterised in that：The glass infuser（3）Upper end opens
Side at mouthful is fixed with stent, and the end of the stent is provided with geometrical clamp（11）, the adjustable pipe（4）Through geometrical clamp
（11）The gap of two lever arms, and adjustable pipe（4）Lateral surface be equipped with anti-skid chequer.
A kind of 5. liquid pressure demonstrating device according to claim 1, it is characterised in that：The glass infuser（3）Upper end
Side is fixed with end and extends to water accumulating disc（1）The upper hose of intracavity bottom（12）, the upper hose（12）Lower end be provided with
Charging pump（13）, the charging pump（13）Input terminal and water accumulating disc（1）Lateral surface controlling switch（14）Output terminal be connected, institute
State controlling switch（14）Input terminal be connected with the output terminal of external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720863902.7U CN207233266U (en) | 2017-07-17 | 2017-07-17 | A kind of liquid pressure demonstrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720863902.7U CN207233266U (en) | 2017-07-17 | 2017-07-17 | A kind of liquid pressure demonstrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207233266U true CN207233266U (en) | 2018-04-13 |
Family
ID=61852500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720863902.7U Expired - Fee Related CN207233266U (en) | 2017-07-17 | 2017-07-17 | A kind of liquid pressure demonstrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207233266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176168A (en) * | 2019-05-05 | 2019-08-27 | 南京科技职业学院 | Liquid height and vessel base pressure relation demonstration device |
-
2017
- 2017-07-17 CN CN201720863902.7U patent/CN207233266U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176168A (en) * | 2019-05-05 | 2019-08-27 | 南京科技职业学院 | Liquid height and vessel base pressure relation demonstration device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20190717 |