CN206460694U - Boiling point and pressure relation demonstration teaching aid - Google Patents
Boiling point and pressure relation demonstration teaching aid Download PDFInfo
- Publication number
- CN206460694U CN206460694U CN201621146452.1U CN201621146452U CN206460694U CN 206460694 U CN206460694 U CN 206460694U CN 201621146452 U CN201621146452 U CN 201621146452U CN 206460694 U CN206460694 U CN 206460694U
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- Prior art keywords
- beaker
- fixed
- pedestal
- breather pipe
- pressure
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- 238000009835 boiling Methods 0.000 title claims abstract description 24
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000010425 asbestos Substances 0.000 claims description 6
- 229910052895 riebeckite Inorganic materials 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of boiling point and pressure relation demonstration teaching aid, including pedestal, breather pipe, beaker, thermometer, alcolhol burner and pressure control device, wherein alcolhol burner is used to give beaker heating, pressure control device is used to control the pressure in beaker, different pressure can be set up to beaker by manipulating pressure control device, beaker is heated afterwards, observe temperature reading during boiling water, it can show that pressure low boiling is low, the high conclusion of pressure higher boiling, its reasonable integral structure, it is simple to operate, ensure teaching vivid and interesting, the utility model can be widely applied in physics teaching.
Description
Technical field
The utility model is related to physics teaching technical field, specifically a kind of boiling point and pressure relation demonstration teaching aid.
Background technology
Students aid in teaching aid and experimental provision when learning book knowledge, the understanding to deepening knowledge
Greatly helped with grasping to have, especially for the student that first contacts learn the relevant knowledges such as boiling point and pressure relation,
In-class experiment device is very necessary.And in existing teaching, just lack such in-class experiment device, otherwise teacher is complete
It is complete to be imparted knowledge to students by book knowledge, otherwise some nonstandard Self-made Realias oneself are made to help student to understand boiling point and pressure
The knowledge such as strong relation, either the reliability of teaching aid and actual teaching purpose all do not reach preferable effect.
Utility model content
The technical problems to be solved in the utility model, is to provide a kind of boiling point and pressure relation demonstration teaching aid, can solve the problem that
Above mentioned problem in the presence of prior art.
The utility model to achieve the above object, is achieved through the following technical solutions：
A kind of boiling point and pressure relation demonstration teaching aid, including pedestal, breather pipe, beaker, thermometer, alcolhol burner and pressure control
Device processed, the pressure control device is fixed on the front end of the pedestal, and the alcolhol burner is fixed on the rear end of the pedestal,
The column of the pedestal is provided perpendicular on the pedestal and on the right side of the alcolhol burner, the middle part of the column is set
There is the beaker support base extended to the left, the top of the column is provided with the beaker fixed seat extended to the left, the beaker
Portion and the beaker support base are assembled, the central upper portion position of the beaker be provided with upwardly extend and with the beaker fixed seat
Breather pipe is provided with the breather pipe permanent opening of assembling, the breather pipe permanent opening and fixes rubber cushion, is leaned on the beaker
The thermometer for upwardly extending and assembling with the beaker fixed seat is provided with the position of the nearly breather pipe permanent opening to fix
Thermometer is provided with opening, the thermometer permanent opening and fixes rubber cushion, one end of the breather pipe is controlled with the pressure
Device is connected and the other end stretches into the breather pipe and fixed in rubber cushion, and the interlude of the breather pipe is fixed with the column, institute
State the graduated one end of thermometer band to stretch into the thermometer fixation rubber cushion, front portion, rear portion and the bottom of the beaker are
Planar structure, the left end of the beaker, which is provided with and communicated with insurance elastic mounting hole, the insurance elastic mounting hole, is provided with guarantor
Dangerous rubber cushion.
As restriction, the front end of the pedestal is disposed with the spiral shell for fixing the pressure control device from left to right
Internal thread hole, the pressure control dress are provided with line support, the first fixing lug boss and the second fixing lug boss, the thread rack
Put including the gas tube with first fixing lug boss and the assembling of the second fixing lug boss, the right-hand member of the gas tube is provided with and institute
State in the inflatable interface of breather pipe connection, the gas tube and be provided with rubber piston, the left end of the rubber piston is fixed with company
Arm is connect, the linking arm includes two support arms fixed with the rubber piston and the connecting plate for being connected two support arm left parts,
The connecting plate is provided with connection through hole in left-right direction, and the connection through hole is with being connected shaft clearance assembling, the connection axle position
One end on the right side of the connecting plate is provided with the baffle plate that diameter is more than the connection through hole, and the connecting shaft is located at the connection
One end on the left of plate is provided with the thread spindle that diameter is more than the connection through hole, the thread spindle and is provided with and the internal thread
The helicitic texture that hole screw thread coordinates, the left end of the thread spindle is provided with operation handle.
Limited as another, vertically extending groove, the beaker are provided with the left surface of the column
Support base includes the first fixed pedestal, the first fixed pedestal assembled with the groove is provided with first fixed base recessed
Groove, the right-hand member of first fixed pedestal is provided with the first screwed hole connected with the first fixed pedestal groove, described
First is provided with one screwed hole and tightens bolt, the left end of first fixed pedestal is provided with head rod, described first
The left end of connecting rod is provided with the first beaker supporting plate, is set between the first beaker supporting plate and the lower flat of the beaker
It is equipped with asbestos gauge, the first beaker supporting plate and is evenly arranged with multiple supporting plate through holes.
Limited as another, the beaker fixed seat includes setting on the second fixed pedestal, second fixed pedestal
There is the second fixed pedestal groove assembled with the groove, the right-hand member of second fixed pedestal is provided with to be fixed with described second
Second, which is provided with, in second screwed hole of base recess connection, second screwed hole tightens bolt, second fixed pedestal
Left end be provided with the second connecting rod, the left end of second connecting rod is provided with the assembled with the breather pipe permanent opening
One beaker fixed mount, the left end of the first beaker fixed mount is provided with the 3rd connecting rod, and the left end of the 3rd connecting rod is set
It is equipped with the second beaker fixed mount assembled with the thermometer permanent opening.
Limited as another, the right side of the column is bottom-up to be disposed with the first of the fixed breather pipe and lead to
Tracheae fixed support and the second breather pipe fixed support.
As further limiting, the lower plane of the pedestal is provided with the first opening, the pedestal in left-right direction
Lower plane front and rear aspect is provided with the second opening.
The utility model as a result of above-mentioned structure, its compared with prior art, acquired technological progress is：
(1) the utility model can set up different pressure by manipulating pressure control device to beaker, afterwards to beaker
Heated, temperature reading during observation boiling water, it can be deduced that the conclusion that pressure low boiling is low, pressure higher boiling is high, its
It is reasonable integral structure, simple to operate, it ensure that teaching vivid and interesting；
(2) internal thread hole of the utility model thread spindle and the thread rack on pedestal is coordinated, so as rotation behaviour
When making handle, movement of the rubber piston in gas tube can be realized in the presence of screw thread, simultaneously because screw thread possesses self-locking
Function, and then system is realized pressure maintaining effect, better ensure that experiment effect；
(3) front portion of the utility model beaker, rear portion and bottom are planar structure, and such water is heated faster, simultaneously less
The left end of beaker is provided with and communicated with insurance elastic mounting hole, and insurance elastic mounting is provided with insurance rubber cushion in hole, when beaker internal pressure
When power is excessive, insurance rubber cushion can be ejected side to the left, will not injure student and teacher, it is ensured that the security of experiment；
(4) left end of the utility model head rod is provided with the first beaker supporting plate, and the first beaker supporting plate is with burning
It is provided between the lower flat of cup in asbestos gauge, the first beaker supporting plate and is evenly arranged with multiple supporting plate through holes, such energy
Beaker fixation is realized, and can uniformly be heated, prevents the heated inequality of beaker from bursting.
To sum up, the utility model practicality is high, disclosure satisfy that teaching demand, and can reach good teaching efficiency.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for specification, with this practicality
New embodiment is used to explain the utility model together, does not constitute to limitation of the present utility model.
Fig. 1 is the overall structure diagram described in the utility model embodiment；
Fig. 2 is the structural representation of the pedestal described in the utility model embodiment；
Fig. 3 is the structural representation of the beaker fixed seat described in the utility model embodiment；
Fig. 4 is the structural representation of the beaker support base described in the utility model embodiment；
Fig. 5 is the structural representation of the pressure control device described in the utility model embodiment.
In the accompanying drawings：1st, pedestal；1111st, the first opening；1112nd, the second opening；112nd, column；1121st, the first breather pipe
Fixed support；1122nd, the second breather pipe fixed support；1123rd, groove；113rd, thread rack；1131st, internal thread hole；1132nd,
One fixing lug boss；1133rd, the second fixing lug boss；21st, beaker support base；211st, the first fixed pedestal；212nd, the first fixed pedestal
Groove；213rd, first bolt is tightened；214th, head rod；215th, the first beaker supporting plate；22nd, beaker fixed seat；221st,
Two fixed pedestals；222nd, the second fixed pedestal groove；223rd, second bolt is tightened；224th, the second connecting rod；225th, the 3rd connection
Bar；226th, the first beaker fixed mount；227th, the second beaker fixed mount；23rd, asbestos gauge；3rd, breather pipe；4th, beaker；41st, thermometer
Permanent opening；42nd, thermometer fixes rubber cushion；43rd, thermometer；45th, breather pipe permanent opening；46th, breather pipe fixes rubber cushion；47、
Insure rubber cushion；48th, insurance elastic mounting hole；5th, alcolhol burner；6th, pressure control device；611st, gas tube；612nd, inflatable interface；
613rd, rubber piston；614th, linking arm；615th, connecting plate；616th, baffle plate；617th, connecting shaft；618th, thread spindle；619th, manipulator
Handle.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.In the following detailed description, only by saying
Bright mode describes some one exemplary embodiments of the present utility model.Undoubtedly, one of ordinary skill in the art can be with
Recognize, can be with a variety of modes to described in the case of without departing from spirit and scope of the present utility model
Embodiment is modified.Therefore, accompanying drawing and description are inherently illustrative, rather than for limiting the protection of claim
Scope.
As illustrated, according to the boiling point of the utility model embodiment and pressure relation demonstration teaching aid, including pedestal 1, ventilation
Pipe 3, beaker 4, thermometer 43, alcolhol burner 5 and pressure control device 6, the pressure control device 6 are fixed on the pedestal 1
Front end, the alcolhol burner 5 is fixed on the rear end of the pedestal 1, is set on the pedestal 1 and positioned at the right side of the alcolhol burner 5
The column 112 perpendicular to the pedestal 1 is equipped with, the middle part of the column 112 is provided with the beaker support base 21 extended to the left, institute
The top for stating column 112 is provided with the beaker fixed seat 22 extended to the left, the bottom of the beaker 4 and the beaker support base 21
Assembling, the central upper portion position of the beaker 4 is provided with the breather pipe for upwardly extending and being assembled with the beaker fixed seat 22 and consolidated
Surely it is open 45, breather pipe is provided with the breather pipe permanent opening 45 and fixes rubber cushion 46, close to described logical on the beaker 4
The thermometer permanent opening for upwardly extending and being assembled with the beaker fixed seat 22 is provided with the position of tracheae permanent opening 45
41, thermometer is provided with the thermometer permanent opening 41 and fixes rubber cushion 42, one end of the breather pipe 3 and the pressure control
Device 6 processed is connected and the other end stretches into the breather pipe and fixed in rubber cushion 46, interlude and the column of the breather pipe 3
112 fix, and the thermometer 43 stretches into the thermometer with graduated one end and fixed in rubber cushion 42, the front portion of the beaker 4,
Rear portion and bottom are planar structure, and the left end of the beaker 4 is provided with and communicated with insurance elastic mounting hole 48, the insurance glue
Insurance rubber cushion 47 is provided with pad fixing hole 48.
In embodiment of the present utility model, breather pipe is provided with breather pipe permanent opening 45 and fixes rubber cushion 46, ventilation
One end of pipe 3 is connected with pressure control device 6 and the other end stretches into breather pipe and fixed in rubber cushion 46, and so, breather pipe is fixed and opened
Mouthfuls 45, breather pipe, which is fixed rubber cushion 46 and sealed with the three of breather pipe 3, is set, and pressure control device 6 can be by breather pipe 3 to beaker
Injection or gas bleeding in beaker 4 to set up different pressure in 4, and thermometer 43 stretches into thermometer with graduated one end
In fixed rubber cushion 42, thermometer is fixed rubber cushion 42 and is arranged in thermometer permanent opening 41, and so, thermometer 43, thermometer are solid
Surely opening 41 and thermometer seal setting between fixing the three of rubber cushion 42, to ensure integrally-built sealing, during experiment, pass through
Different pressure can be set up to beaker 4 by manipulating pressure control device 6, and beaker 4 is heated by alcolhol burner 5 afterwards, be seen
Examine the reading of thermometer 43 during boiling water, it can be deduced that the conclusion that pressure low boiling is low, pressure higher boiling is high, the utility model is whole
Body is rational in infrastructure, simple to operate, it is ensured that teaching vivid and interesting.
It should be noted that the front portion of the utility model beaker 4, rear portion and bottom are planar structure, such water adds less
Heat faster, while the left end of beaker 4 is provided with and communicated with insurance elastic mounting hole 48, is insured in elastic mounting hole 48 and is provided with insurance
Rubber cushion 47, when pressure is excessive in beaker 4, insurance rubber cushion 47 can be ejected side to the left, will not injure student and teacher, it is ensured that real
The security tested.
Further, as illustrated, the front end of the pedestal 1 is disposed with for fixing the pressure control from left to right
Set on the thread rack 113 of device 6 processed, the first fixing lug boss 1132 and the second fixing lug boss 1133, the thread rack 113
There is internal thread hole 1131, the pressure control device 6 includes and the fixing lug boss 1133 of the first fixing lug boss 1132 and second
The gas tube 611 of assembling, the right-hand member of the gas tube 611 is provided with the inflatable interface 612 being connected with the breather pipe 3, described
Rubber piston 613 is provided with gas tube 611, the left end of the rubber piston 613 is fixed with linking arm 614, the linking arm
614 include two support arms fixed with the rubber piston 613 and the connecting plate 615 for being connected two support arm left parts, the company
Fishplate bar 615 is provided with connection through hole in left-right direction, and the connection through hole is assembled with the gap of connecting shaft 617, the connecting shaft 617
The one end on the right side of connecting plate 615 is provided with the baffle plate 616 that diameter is more than the connection through hole, the connecting shaft 617
The one end in the left side of connecting plate 615 is provided with the thread spindle 618 that diameter is more than the connection through hole, the thread spindle
The helicitic texture coordinated with the screw thread of internal thread hole 1131 is provided with 618, the left end of the thread spindle 618 is provided with behaviour
Make handle 619.
In embodiment of the present utility model, the first fixing lug boss 1132 and the second fixing lug boss 1133 are used for fixed inflate
Pipe 611, the right-hand member of gas tube 611 is connected by inflatable interface 612 with breather pipe 3, the helicitic texture on thread spindle 618 and interior spiral shell
The screw thread of pit 1131 coordinates, and baffle plate 616 is all higher than being connected the diameter of through hole with the diameter of thread spindle 618, so in rotation process
During handle 619, baffle plate 616 or thread spindle 618 can be realized and contacted with connecting plate 615, and then can realize promotion rubber piston
613 move in gas tube 611, simultaneously because screw thread possesses auto-lock function, and then system is realized pressure maintaining effect, preferably protect
Experiment effect is demonstrate,proved, and thread spindle 618 can be avoided to be directly connected to rubber piston 613 and rubber piston 613 rotary friction is occurred
Effect is realized in the phenomenon of wiping, influence.
Further, as illustrated, being provided with vertically extending groove on the left surface of the column 112
1123, the beaker support base 21 includes the first fixed pedestal 211, be provided with first fixed pedestal 211 with it is described recessed
The first fixed pedestal groove 212 that groove 1123 is assembled, the right-hand member of first fixed pedestal 211 is provided with to be consolidated with described first
Determine the first screwed hole of the connection of base recess 212, being provided with first in first screwed hole tightens bolt 213, described first
The left end of fixed pedestal 211 is provided with head rod 214, and the left end of the head rod 214 is provided with the first beaker branch
Fagging 215, asbestos gauge 23, described first are provided between the first beaker supporting plate 215 and the lower flat of the beaker 4
Multiple supporting plate through holes are evenly arranged with beaker supporting plate 215.
In embodiment of the present utility model, the left end of head rod 214 is provided with the first beaker supporting plate 215, the
It is provided with asbestos gauge 23, the first beaker supporting plate 215 and uniformly sets between one beaker supporting plate 215 and the lower flat of beaker 4
Multiple supporting plate through holes are equipped with, the fixation of beaker 4 can be so realized, and can uniformly be heated, prevent that beaker 4 is heated inequality
Burst；Due to being provided with the first fixed pedestal groove 212 assembled with groove 1123, therefore first on the first fixed pedestal 211
Fixed pedestal 211 can rotate in the enterprising line slip of column 112, when sliding into correct position and first tighten bolt 213, can be with
Realize the fixation between the first fixed pedestal 211 and column 112.
Further, the beaker fixed seat 22 includes setting on the second fixed pedestal 221, second fixed pedestal 221
Be equipped with the second fixed pedestal groove 222 assembled with the groove 1123, the right-hand member of second fixed pedestal 221 be provided with
Second, which is provided with, in the second screwed hole that the second fixed pedestal groove 222 is connected, second screwed hole tightens bolt
223, the left end of second fixed pedestal 221 is provided with the second connecting rod 224, and the left end of second connecting rod 224 is set
There are the first beaker fixed mount 226 assembled with the breather pipe permanent opening 45, the left end of the first beaker fixed mount 226
The 3rd connecting rod 225 is provided with, the left end of the 3rd connecting rod 225 is provided with what is assembled with the thermometer permanent opening 41
Second beaker fixed mount 227.
In embodiment of the present utility model, the first beaker fixed mount 226 and the second beaker fixed mount 227 be respectively used to
Breather pipe permanent opening 45 and thermometer permanent opening 41 are assembled, due to being provided with and groove 1123 on the second fixed pedestal 221
Second fixed pedestal groove 222 of assembling, therefore the second fixed pedestal 221 can be in the enterprising line slip of column 112, when sliding into
During correct position, bolt 223 is tightened in rotation second, it is possible to achieve the fixation between the second fixed pedestal 221 and column 112.
Preferably, bottom-up the first breather pipe for being disposed with the fixed breather pipe 3 in the right side of the column 112
The breather pipe fixed support 1122 of fixed support 1121 and second.
In embodiment of the present utility model, on the first breather pipe fixed support 1121 and the second breather pipe fixed support 1122
The first fixing hole and the second fixing hole assembled with breather pipe 3 is respectively arranged with, can so ensure the stabilization that breather pipe 3 is fixed
Property.
Preferably, the lower plane of the pedestal 1 is provided with the first opening 1111 in left-right direction, and the lower of the pedestal 1 is put down
Face is provided with the second opening 1112 along front and rear aspect.
The schematical embodiment of the utility model is the foregoing is only, model of the present utility model is not limited to
Enclose.Any those skilled in the art, the equivalent change made on the premise of design of the present utility model and principle is not departed from
Change and change, the scope of the utility model protection all should be belonged to.
Claims (6)
1. a kind of boiling point and pressure relation demonstration teaching aid, it is characterised in that：Including pedestal (1), breather pipe (3), beaker (4), temperature
Degree meter (43), alcolhol burner (5) and pressure control device (6), the pressure control device (6) are fixed on before the pedestal (1)
End, the alcolhol burner (5) is fixed on the rear end of the pedestal (1), on the pedestal (1) and positioned at the alcolhol burner (5)
Right side is provided perpendicular to be provided with the burning extended to the left in the middle part of the column (112) of the pedestal (1), the column (112)
Cup support base (21), the top of the column (112) is provided with the beaker fixed seat (22) extended to the left, the beaker (4)
Bottom and the beaker support base (21) are assembled, the central upper portion position of the beaker (4) be provided with upwardly extend and with it is described
Breather pipe is provided with the breather pipe permanent opening (45) of beaker fixed seat (22) assembling, the breather pipe permanent opening (45) to consolidate
Determine rubber cushion (46), on the beaker (4) close to the breather pipe permanent opening (45) position at be provided with upwardly extend and
Temperature is provided with the thermometer permanent opening (41) assembled with the beaker fixed seat (22), the thermometer permanent opening (41)
The fixed rubber cushion (42) of degree meter, described in one end of the breather pipe (3) is connected with the pressure control device (6) and the other end stretches into
Breather pipe is fixed in rubber cushion (46), and the interlude and the column (112) of the breather pipe (3) are fixed, the thermometer (43)
The thermometer is stretched into graduated one end to fix in rubber cushion (42), front portion, rear portion and the bottom of the beaker (4) are flat
Face structure, the left end of the beaker (4) is provided with and communicated with insurance elastic mounting hole (48), insurance elastic mounting hole (48)
It is provided with insurance rubber cushion (47).
2. boiling point according to claim 1 and pressure relation demonstration teaching aid, it is characterised in that：The front end of the pedestal (1)
Thread rack (113), the first fixing lug boss for fixing the pressure control device (6) are disposed with from left to right
(1132) internal thread hole (1131), the pressure control and the second fixing lug boss (1133), are provided with the thread rack (113)
Device (6) processed includes the gas tube (611) assembled with first fixing lug boss (1132) and the second fixing lug boss (1133), institute
The right-hand member for stating gas tube (611) is provided with the inflatable interface (612) being connected with the breather pipe (3), the gas tube (611)
Rubber piston (613) is provided with, the left end of the rubber piston (613) is fixed with linking arm (614), the linking arm (614)
Including two support arms fixed with the rubber piston (613) and the connecting plate (615) for being connected two support arm left parts, the company
Fishplate bar (615) is provided with connection through hole in left-right direction, and the connection through hole is assembled with connecting shaft (617) gap, the connection
One end that axle (617) is located on the right side of the connecting plate (615) is provided with the baffle plate (616) that diameter is more than the connection through hole, institute
State the one end of connecting shaft (617) on the left of the connecting plate (615) and be provided with the thread spindle that diameter is more than the connection through hole
(618) helicitic texture coordinated with the internal thread hole (1131) screw thread, the screw thread, are provided with the thread spindle (618)
The left end of axle (618) is provided with operation handle (619).
3. boiling point according to claim 2 and pressure relation demonstration teaching aid, it is characterised in that：A left side for the column (112)
Vertically extending groove (1123) is provided with side, the beaker support base (21) includes the first fixed pedestal
(211) the first fixed pedestal groove assembled with the groove (1123), is provided with first fixed pedestal (211)
(212), the right-hand member of first fixed pedestal (211) is provided with first connected with the first fixed pedestal groove (212)
First is provided with screwed hole, first screwed hole and tightens bolt (213), the left end of first fixed pedestal (211) is set
Head rod (214) is equipped with, the left end of the head rod (214) is provided with the first beaker supporting plate (215), described
Asbestos gauge (23), the first beaker support are provided between one beaker supporting plate (215) and the lower flat of the beaker (4)
Multiple supporting plate through holes are evenly arranged with plate (215).
4. boiling point according to claim 3 and pressure relation demonstration teaching aid, it is characterised in that：The beaker fixed seat (22)
Including the second fixed pedestal (221), second assembled with the groove (1123) is provided with second fixed pedestal (221)
Fixed pedestal groove (222), the right-hand member of second fixed pedestal (221) is provided with and the second fixed pedestal groove
(222) it is provided with second in the second screwed hole of connection, second screwed hole and tightens bolt (223), second fixed base
The left end of seat (221) is provided with the second connecting rod (224), and the left end of second connecting rod (224) is provided with and the ventilation
First beaker fixed mount (226) of pipe permanent opening (45) assembling, the left end of the first beaker fixed mount (226) is provided with the
Three connecting rods (225), the left end of the 3rd connecting rod (225) is provided with the assembled with the thermometer permanent opening (41)
Two beaker fixed mounts (227).
5. boiling point according to claim 4 and pressure relation demonstration teaching aid, it is characterised in that：The right side of the column (112)
Bottom-up the first breather pipe fixed support (1121) and the second breather pipe for being disposed with the fixed breather pipe (3) in side is solid
Fixed rack (1122).
6. boiling point according to claim 5 and pressure relation demonstration teaching aid, it is characterised in that：The lower of the pedestal (1) is put down
Face is provided with the first opening (1111) in left-right direction, and the lower plane of the pedestal (1) is provided with the second opening along front and rear aspect
(1112)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146452.1U CN206460694U (en) | 2017-06-22 | 2017-06-22 | Boiling point and pressure relation demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146452.1U CN206460694U (en) | 2017-06-22 | 2017-06-22 | Boiling point and pressure relation demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206460694U true CN206460694U (en) | 2017-09-01 |
Family
ID=59690941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621146452.1U Expired - Fee Related CN206460694U (en) | 2017-06-22 | 2017-06-22 | Boiling point and pressure relation demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206460694U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281071A (en) * | 2018-02-06 | 2018-07-13 | 郑嘉禾 | A kind of pressure intensity testing apparatus |
| CN109036027A (en) * | 2018-08-22 | 2018-12-18 | 胡玮桐 | A kind of boiling point and pressure intensity testing heating device of high school physics |
-
2017
- 2017-06-22 CN CN201621146452.1U patent/CN206460694U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281071A (en) * | 2018-02-06 | 2018-07-13 | 郑嘉禾 | A kind of pressure intensity testing apparatus |
| CN109036027A (en) * | 2018-08-22 | 2018-12-18 | 胡玮桐 | A kind of boiling point and pressure intensity testing heating device of high school physics |
| CN109036027B (en) * | 2018-08-22 | 2021-03-30 | 胡玮桐 | Heating device for boiling point and pressure intensity experiments of high school physics |
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Granted publication date: 20170901 |