CN210896128U

CN210896128U - Junior middle school physics teaching buoyancy presentation device

Info

Publication number: CN210896128U
Application number: CN201922308281.8U
Authority: CN
Inventors: 刘红星
Original assignee: Guangrao Yingcai Middle School
Current assignee: Guangrao Yingcai Middle School
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-06-30
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to a buoyancy demonstration device for junior middle school physics teaching, which comprises a sealing bottom plate, wherein the top of the sealing bottom plate is fixedly connected with a side plate, one side of the side plate is respectively and fixedly connected with a front panel and a back panel, the inner sides of the back panel and the front panel are respectively and fixedly connected with a clamping strip, one side of the clamping strip is clamped with a transparent division plate, one side of the front panel is fixedly connected with a scale strip, one side of the side plate is fixedly connected with a lifting handle, one side of the lifting handle is provided with a water inlet, one side of the water inlet is fixedly connected with a quick joint, one side of the quick joint is movably connected with a water guide pipe, the utility model avoids the inconvenient operation caused by a plurality of containers, can be used for holding different liquids for experiment, is convenient for the observation and understanding of students, can conveniently move the device, the safety during moving is guaranteed.

Description

Junior middle school physics teaching buoyancy presentation device

Technical Field

The utility model relates to a junior middle school physics teaching buoyancy presentation device belongs to physics teaching equipment technical field.

Background

In order to facilitate the operation and observe, can make the student observe that the object does not necessarily all receive the effect of buoyancy in liquid, only when the ascending pressure that the object received in liquid is greater than during decurrent pressure, the object just can receive ascending buoyancy in liquid, the phenomenon of this kind of object come-up, can explain the principle that buoyancy produced, current device is mostly independent liquid container, can only record buoyancy through experimental article, and can't carry out clear contrast, be unfavorable for student's observation understanding, and current device need handle liquid after the use, and the container weight of filling with liquid is very big, single very difficult safe processing of carrying out, slightly careless alright cause the device breakage, can influence personal safety even, for this reason, a middle school physics teaching buoyancy presentation device is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model overcomes current defect, provides a physical teaching buoyancy presentation device in junior high school, avoids using the operation that a plurality of containers brought inconvenient, can be used for holding different liquid and experiment, makes things convenient for student's observation to understand, can be convenient remove this device, can be safe quick shift or discharge liquid, the security when guaranteeing to remove can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a junior middle school physics teaching buoyancy presentation device, includes sealing baseplate, sealing baseplate top fixedly connected with side board, positive panel of fixedly connected with and backplate respectively are distinguished to side board one side, backplate and the equal fixedly connected with joint strip of positive inboard, joint strip one side joint has transparent division board, positive panel one side fixedly connected with scale strip, side board one side fixedly connected with carries the handle, carry and carry handle one side and be equipped with the water inlet, water inlet one side fixedly connected with quick-operation joint, quick-operation joint one side swing joint has the aqueduct, the aqueduct includes the head of intaking, first one side fixedly connected with hose of intaking, hose one end fixedly connected with drainage head, backplate outside fixedly connected with outlet, outlet one side is equipped with the water pipe fastener.

Furthermore, the bottom of the sealing bottom plate is fixedly connected with anti-collision strips which are symmetrically distributed.

Further, the front panel and the back panel are of the same structure, and both the front panel and the back panel are of transparent structures.

Furthermore, the front panel and the bottom of the back panel are fixedly connected to the sealing bottom plate, and the height of the front panel is consistent with that of the side edge plate.

Furthermore, one side of the water pipe fastener is fixed on the back panel, and the water pipe fastener is matched with the water guide pipe structure.

Further, the water inlet head is consistent with the water drainage head structure, and the water inlet head is matched with the quick connector and the water drainage outlet structure.

The utility model discloses beneficial effect:

1. the utility model relates to a junior middle school physics teaching buoyancy presentation device through being equipped with transparent division board and scale bar, avoids using the operation that a plurality of containers brought inconvenient, can be used for holding different liquid and experiment, makes things convenient for student's observation to understand, is favorable to audio-visual principle and the effect that embodies buoyancy, can provide better teaching effect.

2. The utility model relates to a junior middle school physics teaching buoyancy presentation device through being equipped with and carrying handle and aqueduct, can be convenient remove this device, can fill liquid when removing inconveniently in this device, safe quick shift or discharge liquid, security when guaranteeing to remove reduces user's intensity of labour.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic view of the overall structure of a buoyancy demonstration device for physical teaching in junior middle schools according to the present invention;

FIG. 2 is a schematic view of the top view structure of the buoyancy demonstrating device for physics teaching in junior middle school of the present invention;

FIG. 3 is a schematic view of the structure of the water conduit of the buoyancy demonstration device for physical teaching in junior middle schools;

FIG. 4 is a schematic view of a back view structure of the buoyancy demonstrating device for physics teaching in junior middle school of the present invention;

reference numbers in the figures: 1. sealing the bottom plate; 2. a side plate; 3. a front panel; 4. a back panel; 5. a clamping strip; 6. a transparent partition plate; 7. a scale bar; 8. lifting the handle; 9. a water inlet; 10. a quick coupling; 11. a water conduit; 12. a water inlet head; 13. a hose; 14. a drainage head; 15. a water outlet; 16. a water pipe fastener; 17. and (4) anti-punch strips.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

The first embodiment is as follows:

as shown in fig. 1-4, a buoyancy demonstration device for junior middle school physics teaching comprises a sealing bottom plate 1, wherein a side edge plate 2 is fixedly connected to the top of the sealing bottom plate 1, a front panel 3 and a back panel 4 are respectively and fixedly connected to one side of the side edge plate 2, clamping strips 5 are fixedly connected to the inner sides of the back panel 4 and the front panel 3, a transparent partition plate 6 is clamped to one side of each clamping strip 5, the transparent partition plate 6 can avoid the inconvenience in operation caused by using a plurality of containers and can be used for accommodating different liquids for experiments, the use of the scale strips 7 is convenient for students to observe and understand, the scale strips 7 are fixedly connected to one side of the front panel 3, a lifting handle 8 is fixedly connected to one side of the side edge plate 2, the lifting handle 8 can conveniently move the device, when the device is filled with liquid and is inconvenient to move, the liquid can be safely and quickly transferred or discharged by matching with a water guide pipe 11, carry 8 one sides of handle and be equipped with water inlet 9, water inlet 9 one side fixedly connected with quick-operation joint 10, quick-operation joint 10 one side swing joint has aqueduct 11, aqueduct 11 is including the head of intaking 12, head of intaking 12 one side fixedly connected with hose 13, hose 13 one end fixedly connected with drainage head 14, the backplate 4 outside fixedly connected with outlet 15, outlet 15 one side is equipped with water pipe fastener 16.

In this embodiment, 1 bottom fixedly connected with of sealing bottom plate prevents pressing against strip 17, prevent pressing against strip 17 and be the symmetric distribution, prevent pressing against strip 17 and play the effect of bed hedgehopping this device, the student of being convenient for watches, plays the effect of this device of protection simultaneously, avoids the bottom to be collided with by hard thing and causes the damage.

In this embodiment, positive panel 3 is unanimous with backplate 4 structure, just positive panel 3 is transparent structure with backplate 4, positive panel 3 and backplate 4 bottom fixed connection in sealing

bottom plate

1, 3 highly unanimous with 2 highly of side board of positive panel, the structure of positive panel 3 and backplate 4 can let the student directly see the experiment result, improves the effect of teaching.

Example two:

as shown in fig. 1-4, water pipe fastener 16 one side is fixed in backplate 4, water pipe fastener 16 and aqueduct 11 structure phase-match, it is unanimous with drainage head 14 structure to intake head 12, it matches with quick-operation joint 10, outlet 15 structure to intake head 12, water pipe fastener 16 is used for placing aqueduct 11, avoids the position of aqueduct 11 to put the demonstration operation of influence, according to concrete needs, can get rid of water pipe fastener 16 and aqueduct 11, retrencies the structure of this device, reduction manufacturing cost.

The utility model discloses a theory of operation: when using, place this device in appointed place, whether use transparent division board 6 according to the demand selection, through using aqueduct 11 cooperation water inlet 9 to injecting liquid into this device, carry out the buoyancy demonstration, scale bar 7 can assist the student to observe the size of buoyancy, front panel 3 is transparent construction with backplate 4, avoid influencing the observation, after the use, use aqueduct 11 connection drainage mouth 15, discharge the liquid in this device, can place fixedly through water pipe fastener 16 after aqueduct 11 uses.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a junior middle school physics teaching buoyancy presentation device, includes sealing bottom plate (1), its characterized in that: the sealing bottom plate is characterized in that a side edge plate (2) is fixedly connected to the top of the sealing bottom plate (1), a front panel (3) and a back panel (4) are fixedly connected to one side of the side edge plate (2) respectively, a clamping strip (5) is fixedly connected to the inner sides of the back panel (4) and the front panel (3), a transparent partition plate (6) is clamped to one side of the clamping strip (5), a scale strip (7) is fixedly connected to one side of the front panel (3), a lifting handle (8) is fixedly connected to one side of the side edge plate (2), a water inlet (9) is arranged on one side of the lifting handle (8), a quick connector (10) is fixedly connected to one side of the water inlet (9), a water guide pipe (11) is movably connected to one side of the quick connector (10), the water guide pipe (11) comprises a water inlet head (12), a hose (13) is fixedly connected to one side of the water inlet head, the outer side of the back panel (4) is fixedly connected with a water outlet (15), and one side of the water outlet (15) is provided with a water pipe fastener (16).

2. The buoyancy demonstration device for physics teaching in junior middle school according to claim 1, wherein: the bottom of the sealing bottom plate (1) is fixedly connected with a press-prevention strip (17), and the press-prevention strips (17) are symmetrically distributed.

3. The buoyancy demonstration device for physics teaching in junior middle school according to claim 1, wherein: the front panel (3) and the back panel (4) are of the same structure, and the front panel (3) and the back panel (4) are of transparent structures.

4. The buoyancy demonstration device for physics teaching in junior middle school according to claim 1, wherein: the bottom of the front panel (3) and the bottom of the back panel (4) are fixedly connected to the sealing bottom plate (1), and the height of the front panel (3) is consistent with that of the side edge plate (2).

5. The buoyancy demonstration device for physics teaching in junior middle school according to claim 1, wherein: one side of the water pipe fastener (16) is fixed on the back panel (4), and the water pipe fastener (16) is matched with the water guide pipe (11) in structure.

6. The buoyancy demonstration device for physics teaching in junior middle school according to claim 1, wherein: the water inlet head (12) is consistent with the drainage head (14), and the water inlet head (12) is structurally matched with the quick connector (10) and the drainage outlet (15).