CN207651046U - A kind of physics teaching student pressure demonstrator - Google Patents
A kind of physics teaching student pressure demonstrator Download PDFInfo
- Publication number
- CN207651046U CN207651046U CN201721483040.1U CN201721483040U CN207651046U CN 207651046 U CN207651046 U CN 207651046U CN 201721483040 U CN201721483040 U CN 201721483040U CN 207651046 U CN207651046 U CN 207651046U
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- CN
- China
- Prior art keywords
- pressure
- bearing rod
- block
- cup
- cup lid
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of physics teaching student pressure demonstrators, including weight tray, pressure-bearing rod, pressure block and transparent cup, bottom end inside the transparent cup is equipped with sponge block, the top of the transparent cup is equipped with cup lid, and the middle position of cup lid is provided with port, the edge of the port is evenly arranged with sliding block, the top of the firm block is vertically equipped with scale, the other side on the cup lid top is vertically equipped with pressure-bearing rod, and the top of pressure-bearing rod is equipped with weight tray, the outside of the pressure-bearing rod is uniformly equipped with and the mutually matched sliding rail of sliding block.The utility model is by being provided with sliding rail and sliding block, sliding rail is evenly arranged on the outside of pressure-bearing rod, the edge of port is evenly arranged with and the mutually matched sliding block of sliding rail, so that pressure-bearing rod is moved by sliding rail on sliding block, reduce the frictional force between pressure-bearing rod and cup lid, to reduce the influence to experiment test, reduce deviation.
Description
Technical field
The utility model is related to physics teaching equipment technical field, specially a kind of physics teaching student is demonstrated with pressure
Instrument.
Background technology
Some vital phenomenas are explained by physics teaching big city, these phenomenon some are very common, and some is not very common, teacher
During giving lessons, it often can only explain that the knowledge of some theoretical properties, classmates still could not be best understood by these phenomenons
The reason of generation, causes classroom teaching efficiency low, and teaching process is uninteresting, and in physics teaching, the teaching of pressure is more normal
See, but be the absence of the phenomenon that easy device goes to explain pressure well, and existing pressure demonstrator is mostly plastics
Manufacture, intensity is not high, and breakage easily occurs, influences to use, while the friction between pressure-bearing rod and cup lid, easily causes what experiment measured
Deviation.
Utility model content
The purpose of this utility model is to provide a kind of physics teaching student pressure demonstrators, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions：A kind of physics teaching student is demonstrated with pressure
Instrument, including weight tray, pressure-bearing rod, pressure block and transparent cup, the bottom end inside the transparent cup is equipped with sponge block, described
Both ends on the outside of bright cup are all equipped with Reinforced Hoop, and the top of the transparent cup is equipped with cup lid, and the middle position of cup lid is set
It is equipped with port, the edge of the port is evenly arranged with sliding block, and the bottom end of the cup lid is equipped with fixed block, the cup lid top
The side at end is equipped with firm block, and the top of the firm block is vertically equipped with scale, and the other side on the cup lid top is vertical
Pressure-bearing rod is installed, and the top of pressure-bearing rod is equipped with weight tray, the outside of the pressure-bearing rod is uniformly equipped with and sliding block phase
The sliding rail mutually coordinated, the pressure-bearing rod pass through port to extend to the inside of transparent cup, and the surface of the pressure-bearing rod bottom end is provided with
External screw thread is equipped with pressure block inside the transparent cup below the pressure-bearing rod, and pressure block is provided with close to the side of pressure-bearing rod
The inner wall of preformed groove, the preformed groove is provided with internal thread, and pressure block is connected with the bottom end of pressure-bearing rod.
Preferably, the top setting of the weight tray is fluted.
Preferably, the surface of the fixed block is provided with external screw thread, and the top of transparent cup inner wall is provided with and external screw thread phase
The internal thread mutually coordinated.
Preferably, the junction of the weight tray and pressure-bearing rod is provided with sponge cushion.
Preferably, it is provided with anti-skid bulge on the outside of the cup lid.
Compared with prior art, the utility model has the beneficial effects that：Physics teaching student is passed through with pressure demonstrator
It is provided with sliding rail and sliding block, sliding rail is evenly arranged on the outside of pressure-bearing rod, cup lid is internally provided with port, the edge of port
It is evenly arranged with and the mutually matched sliding block of sliding rail so that pressure-bearing rod is moved by sliding rail on sliding block, and pressure-bearing rod and cup are reduced
Frictional force between lid reduces deviation, while device is pressed by being provided with preformed groove to reduce the influence to experiment test
Spiral is installed between block and pressure-bearing rod by force, convenient for the work that user is replaced, installs and combines to pressure block, time saving province
Power, while device is fluted by being arranged, counterweight is put into groove by user, prevents counterweight from sliding occurs from weight tray
It falls, improves the safety of device, while device improves the impact resistant capability of device by being provided with Reinforced Hoop.
Description of the drawings
Fig. 1 is the structure schematic elevation view of the utility model；
Fig. 2 is the cup lid schematic top plan view of the utility model；
Fig. 3 is the pressure-bearing rod schematic top plan view of the utility model；
In figure：1- grooves；2- scales；3- consolidates block；4- fixed blocks；5- preformed grooves；6- sponge blocks；7- weight trays；8-
Pressure-bearing rod；9- cup lids；10- sliding rails；11- pressure blocks；12- Reinforced Hoops；13- transparent cups；14- ports；15- sliding blocks.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
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 embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, a kind of embodiment provided by the utility model：A kind of physics teaching student pressure demonstrator,
Including weight tray 7, pressure-bearing rod 8, pressure block 11 and transparent cup 13, the bottom end inside transparent cup 13 is equipped with sponge block 6, transparent
The both ends in 13 outside of cup are all equipped with Reinforced Hoop 12, and the top of the impact resistant capability for improving device, transparent cup 13 is equipped with
The outside of cup lid 9, cup lid 9 is provided with anti-skid bulge, increases the frictional force between hand and cup lid 9, reduces hand and occurs from cup lid 9
The possibility to fall off, and the middle position of cup lid 9 is provided with port 14, the edge of port 14 is evenly arranged with sliding block 15,
The bottom end of cup lid 9 is equipped with fixed block 4, and the surface of fixed block 4 is provided with external screw thread, the top of 13 inner wall of transparent cup be provided with
The mutually matched internal thread of external screw thread so that spiral connects between cup lid 9 and transparent cup 13, easy to disassemble, and the one of 9 top of cup lid
Side is equipped with firm block 3, and the top of firm block 3 is vertically equipped with scale 2, and the other side on 9 top of cup lid is vertically equipped with pressure-bearing
Bar 8, and the top of pressure-bearing rod 8 is equipped with weight tray 7, the top setting fluted 1 of weight tray 7 avoids counterweight from counterweight
Slid on pallet 7, the junction of weight tray 7 and pressure-bearing rod 8 is provided with sponge cushion, for buffering, reduce weight tray 7 by
The possibility of damage, the outside of pressure-bearing rod 8 is uniformly equipped with passes through port with 15 mutually matched sliding rail 10 of sliding block, pressure-bearing rod 8
14 extend to the inside of transparent cup 13, and the surface of 8 bottom end of pressure-bearing rod is provided with external screw thread, in the transparent cup 13 of 8 lower section of pressure-bearing rod
Portion is equipped with pressure block 11, and pressure block 11 is provided with preformed groove 5 close to the side of pressure-bearing rod 8, and the inner wall of preformed groove 5 is provided with
Internal thread, pressure block 11 are connected with the bottom end of pressure-bearing rod 8.
Operation principle：In use, instrument is placed in horizontal table top, sponge block 6 supports pressure-bearing rod 8 and is in equilibrium-like
State, 2 height of regulation scale, makes zero graduation line be directed at pallet pointer, then counterweight is placed on weight tray 7, in gravity
Under, pressure-bearing rod 8 moves down, and sponge block 6 is forced to deform, and indicating value of the pallet pointer on scale 2 is inserted table, replaces other two weight
Code is tested using same method, and experimental result is recorded into table, opens cup lid 9, and pressure block 11 is packed into pressure-bearing rod 8
Bottom end covers cup lid 9, and 2 height of regulation scale, makes zero graduation line be directed at pallet pointer, then put counterweight before placing counterweight
On weight tray 7, pressure-bearing rod 8 moves down compressing sponge block 6 and deforms, its pointer indicating value is inserted table, replaces other two pressure
Block 11 is tested using same method, and experimental result is recorded into table, by experimental analysis experimental result, understands pressure
Relationship between power, pressure, forced area.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of physics teaching student pressure demonstrator, including weight tray (7), pressure-bearing rod (8), pressure block (11) and transparent
Cup (13), it is characterised in that：The internal bottom end of the transparent cup (13) is equipped with sponge block (6), transparent cup (13) outside
Both ends Reinforced Hoop (12) is all installed, the top of the transparent cup (13) is equipped with cup lid (9), and the interposition of cup lid (9)
The place of setting is provided with port (14), and the edge of the port (14) is evenly arranged with sliding block (15), the bottom end peace of the cup lid (9)
Equipped with fixed block (4), the side on cup lid (9) top is equipped with firm block (3), and the top of the firm block (3) is vertically pacified
Equipped with scale (2), the other side on cup lid (9) top is vertically equipped with pressure-bearing rod (8), and the top installation of pressure-bearing rod (8)
There is weight tray (7), the outside of the pressure-bearing rod (8) is uniformly equipped with and sliding block (15) mutually matched sliding rail (10), described
Pressure-bearing rod (8) passes through port (14) to extend to the inside of transparent cup (13), and the surface of pressure-bearing rod (8) bottom end is provided with outer spiral shell
Line is equipped with pressure block (11) inside the transparent cup (13) below the pressure-bearing rod (8), and pressure block (11) is close to pressure-bearing rod
(8) side is provided with preformed groove (5), and the inner wall of the preformed groove (5) is provided with internal thread, pressure block (11) and pressure-bearing rod
(8) bottom end connection.
2. a kind of physics teaching student pressure demonstrator according to claim 1, it is characterised in that：The weight tray
(7) fluted (1) is arranged in top.
3. a kind of physics teaching student pressure demonstrator according to claim 1, it is characterised in that：The fixed block
(4) surface is provided with external screw thread, and the top of transparent cup (13) inner wall is provided with and the mutually matched internal thread of external screw thread.
4. a kind of physics teaching student pressure demonstrator according to claim 1, it is characterised in that：The weight tray
(7) and the junction of pressure-bearing rod (8) is provided with sponge cushion.
5. a kind of physics teaching student pressure demonstrator according to claim 1, it is characterised in that：The cup lid (9)
Outside be provided with anti-skid bulge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721483040.1U CN207651046U (en) | 2017-11-08 | 2017-11-08 | A kind of physics teaching student pressure demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721483040.1U CN207651046U (en) | 2017-11-08 | 2017-11-08 | A kind of physics teaching student pressure demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207651046U true CN207651046U (en) | 2018-07-24 |
Family
ID=62889052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721483040.1U Expired - Fee Related CN207651046U (en) | 2017-11-08 | 2017-11-08 | A kind of physics teaching student pressure demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207651046U (en) |
-
2017
- 2017-11-08 CN CN201721483040.1U patent/CN207651046U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20191108 |