CN111862769A - Multifunctional pump principle teaching demonstration device - Google Patents

Multifunctional pump principle teaching demonstration device Download PDF

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Publication number
CN111862769A
CN111862769A CN202010932275.4A CN202010932275A CN111862769A CN 111862769 A CN111862769 A CN 111862769A CN 202010932275 A CN202010932275 A CN 202010932275A CN 111862769 A CN111862769 A CN 111862769A
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CN
China
Prior art keywords
water
pump
plate
water tank
main body
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CN202010932275.4A
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CN111862769B (en
Inventor
代春瑶
张军红
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Chongqing Water Resources and Electric Engineering College
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Chongqing Water Resources and Electric Engineering College
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B25/00Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
    • G09B25/02Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention provides a multifunctional pump principle teaching demonstration device which comprises a water tank, a water pump model, a channel and a water pipe, wherein water in the water tank can flow into the water pump model through the channel, the water in the water pump can return into the water tank through the water pipe, the water pump model comprises a pump main body, a second flashboard, a third flashboard, a piston, a pull rod and a fixed plate, a glass plate is fixedly connected onto the pump main body, the second flashboard and the third flashboard are arranged in the pump main body, the third flashboard is positioned above the second flashboard, the piston is positioned between the second flashboard and the third flashboard, the pull rod is fixedly connected onto the piston, the fixed plate is further fixedly connected into the pump main body, the water tank is placed on a mounting plate, the channel is arranged in the mounting plate, and the water in the water tank can flow into the pump main body through the channel. In the implementation process, the invention can facilitate the demonstration of the pump principle by a user and also facilitate the installation and the disassembly of the pump main body by the user.

Description

Multifunctional pump principle teaching demonstration device
Technical Field
The invention relates to the technical field of teaching demonstration, in particular to a multifunctional pump principle teaching demonstration device.
Background
The reciprocating pump is more in variety, and the reciprocating pump plays very important role in people's daily life, but the reciprocating pump on the market is great in size, and because the cost needs, the reciprocating pump is generally made of steel members, so when teaching demonstration, people are difficult to accurate demonstrate the principle of reciprocating pump, have increased user's understanding degree of difficulty.
The operating principle of the reciprocating pump is that when the reciprocating pump is used, pressure difference can be generated in the reciprocating pump, so that water is sucked into the pump main body, when the pressure difference is formed again, the water in the pump main body can be pushed out, and the reciprocating pump is used in a reciprocating mode, so that the water is lifted.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a multifunctional pump principle teaching demonstration device, which solves the problem that a user cannot accurately demonstrate the principle of a reciprocating pump during teaching demonstration.
The technical principle of the invention is as follows: the utility model provides a multi-functional pump principle teaching presentation device, includes water tank, water pump model, passageway and water pipe, water in the water tank can flow to in the water pump model through the passageway, and water in the water pump can get back to through the water pipe in the water tank, the water pump model includes pump main part, second flashboard, third flashboard, piston, pull rod and fixed plate, and the rigid coupling has the glass board in the pump main part be provided with second flashboard and third flashboard in the pump main part, and the third flashboard is located the top of second flashboard, the piston is located between second flashboard and the third flashboard, the pull rod rigid coupling is on the piston, it has the fixed plate to go back the rigid coupling in the pump main part, the water tank is placed on the mounting panel, has seted up the passageway in the mounting panel, and water in the water tank can flow into in the pump main part through.
Preferably, there is the mount upper end rigid coupling of mounting panel, the water tank with the water pump model is located the both sides of mount, the rigid coupling has the support on the mount rotatable connecting pipe of being provided with on the support, the upper end of pump main part with go up the connecting pipe and link together, and go up the connecting pipe with water piping connection is in the same place.
Preferably, be provided with first arch on the bottom surface of water tank the mounting groove has been seted up on the mounting panel, the bottom rigid coupling of mounting groove has the second protruding, the water tank is located in the mounting groove, first protruding cover is protruding at the second, the passageway is located in the second is protruding.
Preferably, install first flashboard in the first arch, and seted up the hole of permeating water in first bellied side, the top of first flashboard is provided with the spring the rigid coupling has the roof in the second arch, and the roof can upwards jack-up first flashboard, first through-hole has been seted up on the roof, and when the roof will when first flashboard upwards jacked up, water in the water tank can through permeate water the hole with first through-hole flows into in the passageway.
Preferably, the number of the first gate plates is two, the two first gate plates are connected together through a connecting plate, the springs are installed on the connecting plate, and the number of the springs is two.
Preferably, a guide pipe is fixedly connected to the mounting plate, a lower connecting pipe is arranged on the guide pipe, and the lower end of the pump main body is fixedly connected to the lower connecting pipe.
Preferably, the inner wall of the upper connecting pipe is fixedly connected with a second clamping block, the surface of the pump main body is fixedly connected with a first clamping block, the first clamping block and the second clamping block are obliquely arranged, and the first clamping block is matched with the second clamping block.
Preferably, the upper end rigid coupling of going up the connecting pipe has the pipeline, the rigid coupling has sealed piece on the pipeline, the seal groove has been seted up to the upper end of pump main part, sealed piece can insert in the seal groove.
Preferably, a limiting block is fixedly connected to the outer wall of the pipeline, a second through hole is formed in the support, a limiting groove is formed in the inner wall of the second through hole, and the limiting block is located in the limiting groove.
Preferably, the lower end of the mounting plate is fixedly connected with a bottom plate.
Compared with the prior art, the invention has the following beneficial effects: by adopting the water pump model formed by the pump main body and the glass plate, the device can be used for demonstrating more intuitively and increasing the teaching effect; the first bulge and the second bulge are arranged, so that water in the water tank can conveniently enter the pump main body when the device is used, and when the device is not needed to be used, the water tank can be taken down to achieve the effect that the water tank is not leaked; through being provided with first fixture block and second fixture block, can convenience of customers link together pump main part and this device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure in the direction a of fig. 1.
Fig. 3 is a schematic view of a connection structure of the water tank and the mounting plate.
Fig. 4 is an enlarged schematic view of a portion B in fig. 3.
Fig. 5 is a schematic structural view when the first protrusion is not sleeved on the second protrusion.
Fig. 6 is a schematic view of a connection structure of the upper connection pipe and the pump main body.
Fig. 7 is a schematic view of a connection structure of the pipe and the bracket.
Fig. 8 is a schematic structural view of a pump model.
In the above drawings: 1. a base plate; 2. mounting a plate; 3. a fixed mount; 4. a conduit; 5. a support; 6. an upper connecting pipe; 7. a water pipe; 8. a lower connecting pipe; 9. a glass plate; 10. a water tank; 11. a channel; 12. mounting grooves; 13. a first protrusion; 14. a second protrusion; 15. a connecting plate; 16. a first shutter plate; 17. a spring; 18. water permeable holes; 19. a top plate; 20. a first through hole; 21. a first clamping block; 22. a second fixture block; 23. a sealing groove; 24. a sealing block; 25. a pipeline; 26. a second through hole; 27. a limiting groove; 28. a limiting block; 100. a pump body; 101. a second shutter plate; 102. a third shutter plate; 103. a piston; 104. a pull rod; 105. and (7) fixing the plate.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
As shown in fig. 1 to 8, an embodiment of the present invention provides a multifunctional pump principle teaching demonstration apparatus, which includes a water tank 10, a water pump model, a passage 11 and a water pipe 7, wherein water in the water tank 10 can flow into the water pump model through the passage 11, and water in the water pump can return to the water tank 10 through the water pipe 7. When this device used, the water in the water tank 10 can enter into the water pump model through passageway 11 in, and the water in the water pump model can flow back to the water tank 10 in through water pipe 7 to realize the effect of demonstration teaching.
As shown in fig. 8, which is a schematic diagram of a reciprocating pump, the water pump model includes a pump main body 100, a second gate plate 101, a third gate plate 102, a piston 103, a pull rod 104 and a fixing plate 105, a glass plate 9 is fixed to the pump main body 100, the second gate plate 101 and the third gate plate 102 are arranged in the pump main body 100, the third gate plate 102 is arranged above the second gate plate 101, the piston 103 is arranged between the second gate plate 101 and the third gate plate 102, the pull rod 104 is fixed to the piston 103, the fixing plate 105 is also fixed in the pump main body 100, that is, when the reciprocating pump is used, a user pulls the piston 103 through the pull rod 104, when the piston 103 is pulled outwards, the pressure in the pump main body 100 becomes small, the second gate plate 101 moves upwards, the water below passes through the second gate plate 101 to enter the pump main body 100, when the piston 103 is pushed into the pump main body 100, the second gate plate 101 moves downwards to close the inlet of the pump main body 100, at this time, the third shutter plate 102 is lifted up, and the water in the pump main body 100 can flow out of the pump main body 100 at the third shutter plate 102.
The water tank 10 is placed on the mounting plate 2, a passage 11 is formed in the mounting plate 2, one end of the passage 11 is connected to the water tank 10, and the other end of the passage 11 is connected to the pump body 100, so that water in the water tank 10 can flow into the pump body 100 through the passage 11.
There is mount 3 at the upper end rigid coupling of mounting panel 2, mount 3's use has played the effect of supporting pump main part 100 for pump main part 100 can keep in stable state, and water tank 10 is located mount 3's both sides with the water pump model, and the rigid coupling has support 5 on mount 3, and rotatable connecting pipe 6 on being provided with on support 5, the upper end of pump main part 100 links together with last connecting pipe 6, and goes up connecting pipe 6 and water pipe 7 and link together.
Be provided with first arch 13 on the bottom surface of water tank 10, seted up mounting groove 12 on mounting panel 2, the bottom rigid coupling of mounting groove 12 has second arch 14, and water tank 10 is located mounting groove 12, and first arch 13 cover is on second arch 14, and passageway 11 is located second arch 14. When the water tank 10 is put into the mounting groove 12, the first protrusion 13 can be fitted over the second protrusion 14, and this can ensure that the water tank 10 can be in a stable state on the mounting plate 2.
Install first flashboard 16 in first arch 13, and seted up the hole 18 of permeating water in the side of first arch 13, first flashboard 16 blocks up the hole 18 of permeating water to prevent the water in the water tank 10, directly flow outside the water tank 10 through the hole 18 of permeating water.
A spring 17 is disposed above the first shutter 16, a top plate 19 is fixedly connected to the second protrusion 14, the first shutter 16 can be lifted upwards by the top plate 19, a first through hole 20 is formed in the top plate 19, and when the first shutter 16 is lifted upwards by the top plate 19, water in the water tank 10 can flow into the channel 11 through the water permeable hole 18 and the first through hole 20. When the first protrusion 13 is fitted over the second protrusion 14, the top plate 19 can lift the first shutter 16 upward, and at this time, water in the water tank 10 can flow into the passage 11 in the second protrusion 14 through the water permeable hole 18 and the first through hole 20, so that the water in the water tank 10 can enter the pump body 100. And the use of the spring 17 allows the first shutter 16 to seal the water permeable hole 18 when the tank 10 is detached from the mounting plate 2 for use by a user.
The number of the first shutter 16 is two, and the two first shutters 16 are connected together by a connecting plate 15, and springs 17 are mounted on the connecting plate 15, and the number of the springs 17 is two. The two first shutters 16 correspond to the two water permeable holes 18 to accelerate the speed of the water in the tank 10 entering the passage 11, and the use of the connecting plate 15 makes it possible to connect the two first shutters 16 so as to raise and lower the two first shutters 16 simultaneously.
A guide tube 4 is fixedly connected to the mounting plate 2, a lower connection tube 8 is provided on the guide tube 4, and the lower end of the pump main body 100 is fixedly connected to the lower connection tube 8. The upper connection pipe 6 and the lower connection pipe 8 both have a second latch 22 thereon, and the pump body 100 has two first latches 21 thereon.
Go up the rigid coupling on the inner wall of connecting pipe 6 and have second fixture block 22, there is first fixture block 21 at the surperficial rigid coupling of pump main part 100, and first fixture block 21 all is the slope with second fixture block 22 and arranges, first fixture block 21 cooperatees with second fixture block 22, when pump main part 100 needs to be used, the user places the lower extreme of pump main part 100 on connecting pipe 8 down, then rotate pump main part 100, first fixture block 21 on the pump main part 100 cooperatees with second fixture block 22 on connecting pipe 8 down this moment, thereby with the stable connection of the lower extreme of pump main part 100 on connecting pipe 8 down. The upper connection pipe 6 is connected to the pump main body 100 in the same manner.
A pipe 25 is fixedly connected to the upper end of the upper connection pipe 6, a seal block 24 is fixedly connected to the pipe 25, a seal groove 23 is formed in the upper end of the pump body 100, and the seal block 24 can be inserted into the seal groove 23. The sealing block 24 is made of rubber, and when the sealing block 24 enters the sealing groove 23, the sealing performance between the upper connecting pipe 6 and the pump main body 100 can be improved, and water leakage of the device in the use process is avoided. And the water pipe 7 is connected to the pipe 25.
The outer wall of the pipeline 25 is fixedly connected with a limiting block 28, the bracket 5 is provided with a second through hole 26, the inner wall of the second through hole 26 is provided with a limiting groove 27, and the limiting block 28 is positioned in the limiting groove 27. The use of the stopper 28 and the stopper groove 27 enables the pipe 25 to rotate, so that the user can connect the pump body 100 and the upper connection pipe 6.
The lower end of the mounting plate 2 is fixedly connected with a bottom plate 1. The bottom plate 1 can protect the mounting plate 2, and the service life of the device is prolonged.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (10)

1. The utility model provides a multi-functional pump principle teaching presentation device which characterized in that: comprises a water tank (10), a water pump model, a channel (11) and a water pipe (7), wherein water in the water tank (10) can flow into the water pump model through the channel (11), and the water in the water pump can return into the water tank (10) through the water pipe (7),
the water pump model comprises a pump main body (100), a second gate plate (101), a third gate plate (102), a piston (103), a pull rod (104) and a fixing plate (105), a glass plate (9) is fixedly connected to the pump main body (100), the second gate plate (101) and the third gate plate (102) are arranged in the pump main body (100), the third gate plate (102) is located above the second gate plate (101), the piston (103) is located between the second gate plate (101) and the third gate plate (102), the pull rod (104) is fixedly connected to the piston (103), the fixing plate (105) is fixedly connected to the pump main body (100),
the water tank (10) is placed on the mounting plate (2), a channel (11) is formed in the mounting plate (2), and water in the water tank (10) can flow into the pump main body (100) through the channel (11).
2. The multifunctional pump principle teaching demonstration device of claim 1 wherein: there is mount (3) in the upper end rigid coupling of mounting panel (2), water tank (10) with the water pump model is located the both sides of mount (3), the rigid coupling has support (5) on mount (3) rotatable connecting pipe (6) of being provided with on support (5), the upper end of pump main part (100) with go up connecting pipe (6) and link together, and go up connecting pipe (6) with water pipe (7) link together.
3. The multifunctional pump principle teaching demonstration device of claim 1 wherein: be provided with first arch (13) on the bottom surface of water tank (10) mounting groove (12) have been seted up on mounting panel (2), the bottom rigid coupling of mounting groove (12) has the second protruding (14), water tank (10) are located in mounting groove (12), first protruding (13) cover is on the second is protruding (14), passageway (11) are located in the second is protruding (14).
4. A multi-functional pump principle teaching demonstration apparatus according to claim 3 wherein: install first flashboard (16) in first arch (13), and seted up water-permeable hole (18) in the side of first arch (13), the top of first flashboard (16) is provided with spring (17), the rigid coupling has roof (19) on second arch (14), and roof (19) can upwards jack-up first flashboard (16), first through-hole (20) have been seted up on roof (19), and when roof (19) will when first flashboard (16) upwards jack-up, water in water tank (10) can flow into through water-permeable hole (18) with first through-hole (20) in passageway (11).
5. The multifunctional pump principle teaching demonstration device according to claim 4, wherein: the number of the first gate plates (16) is two, the two first gate plates (16) are connected together through a connecting plate (15), the springs (17) are installed on the connecting plate (15), and the number of the springs (17) is two.
6. The multifunctional pump principle teaching demonstration device of claim 1 wherein: the pump is characterized in that a guide pipe (4) is fixedly connected to the mounting plate (2), a lower connecting pipe (8) is arranged on the guide pipe (4), and the lower end of the pump main body (100) is fixedly connected to the lower connecting pipe (8).
7. The multifunctional pump principle teaching demonstration device according to claim 2, wherein: the inner wall of the upper connecting pipe (6) is fixedly connected with a second clamping block (22), the surface of the pump main body (100) is fixedly connected with a first clamping block (21), the first clamping block (21) and the second clamping block (22) are obliquely arranged, and the first clamping block (21) is matched with the second clamping block (22).
8. The multifunctional pump principle teaching demonstration device according to claim 2, wherein: go up the upper end rigid coupling of connecting pipe (6) has pipeline (25), the rigid coupling has sealed piece (24) on pipeline (25), seal groove (23) have been seted up to the upper end of pump main part (100), sealed piece (24) can be inserted in seal groove (23).
9. The multifunctional pump principle teaching demonstration device of claim 8 wherein: the pipeline is characterized in that a limiting block (28) is fixedly connected to the outer wall of the pipeline (25), a second through hole (26) is formed in the support (5), a limiting groove (27) is formed in the inner wall of the second through hole (26), and the limiting block (28) is located in the limiting groove (27).
10. The multifunctional pump principle teaching demonstration device of claim 1 wherein: the lower end of the mounting plate (2) is fixedly connected with a bottom plate (1).
CN202010932275.4A 2020-09-08 2020-09-08 Multifunctional pump principle teaching demonstration device Active CN111862769B (en)

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