CN209248865U

CN209248865U - A kind of multi-functional Physical Experiment apparatus for demonstrating

Info

Publication number: CN209248865U
Application number: CN201821181327.3U
Authority: CN
Inventors: 路文强
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-25
Filing date: 2018-07-25
Publication date: 2019-08-13
Anticipated expiration: 2028-07-25

Abstract

The utility model relates to a kind of multi-functional Physical Experiment apparatus for demonstrating, including framework, it is fixedly installed transparent panel on front side of framework, is removably connected with backboard on rear side of framework；Bottom is provided with a screw rod in framework, and screw rod both ends are rotatably connected with left plate and right side plate respectively, and a nut is arranged on screw rod, and nut top is fixedly connected with a baffle；It is provided with a partition above screw rod, both ends are fixedly connected with left plate and right side plate respectively, and the first strip through-hole is provided on partition, and baffle is stretched out above partition by the first strip through-hole；It is provided with a sliding machine on partition, one is provided on left plate for hitting the lance of sliding machine, is arranged with a reset spring on lance；The experimental demonstration device of the utility model can be used in the demonstration of the experiments such as level throw motion, horizontal movement, the law of inertia, make experimental provision more diversification, to reduce instruction cost.

Description

A kind of multi-functional Physical Experiment apparatus for demonstrating

Technical field

The utility model belongs to physics facility technical field, and in particular to a kind of multi-functional Physical Experiment demonstration dress It sets.

Background technique

Physics is the subject based on testing, and many laws are introduced and verified by testing.It is taught in physics In, physical law needs are introduced by testing, exported and verified, and can just make the understanding that student is more deep, vivid.

And in teaching now, it is imparted knowledge to students in a manner of explanation, reasoning etc. mostly, this teaching method is unfavorable for student Faster, more intuitively learn and understand, therefore, part physical experiment teaching aid starts to be widely used.

But existing Physical Experiment teaching aid is directed to single physical law mostly to be tested or is demonstrated, function mistake In single, and experiment condition cannot be arbitrarily converted, be unfavorable for student and faster, more intuitively learn and understand, and is different Experiment will increase instruction cost using different experiment teaching aids.

Utility model content

The technical issues of being had a single function to solve Physical Experiment teaching aid existing in the prior art, reducing efficiency of teaching, The utility model provides following technical scheme:

A kind of multi-functional Physical Experiment apparatus for demonstrating, including framework, the framework be by bottom plate, top plate, left plate and The rectangular frame structure that right side plate is constituted, the framework front side are fixedly installed transparent panel, detachably connect on rear side of the framework It is connected to backboard；

Bottom is provided with a screw rod in the framework, and the screw rod both ends can be rotated with the left plate and right side plate respectively Connection, the screw rod right end is through the right side plate and the end is fixedly connected with a regulation handle, is arranged with one on the screw rod Nut, the nut top are fixedly connected with a baffle；

It is provided with a partition above the screw rod, the both ends are fixedly connected with the left plate and right side plate respectively, institute It states and is provided with the first strip through-hole on partition along its length, the baffle stretches out the partition by first strip through-hole Top；

It is provided with a sliding machine on the partition, on the left of the baffle, one is provided on the left plate and is used for The lance of the sliding machine is hit, the left plate is run through in the lance left end, and the lance right end is fixedly installed one and hits Hit portion, on the lance, the part between the left plate and shock portion be arranged with a reset spring；

It is provided with a bearing plate above the partition, on the right side of the baffle, the bearing plate is connect with backboard；

The framework inner top is provided with level throw motion sliding rail, and the level throw motion sliding rail is connect with the backboard, described Level throw motion rail tips pass through the second bar through hole being arranged on the top plate and stretch out at the top of framework.

As the further explanation of the utility model, a crash panel, the sliding is fixedly installed in the sliding machine left end Trolley right end bottom surface is fixed with a limit plate；

The lance left end is fixedly installed a pull ring portion.

As the further explanation of the utility model, the bearing plate by the first sliding groove that is set on the backboard with The backboard is slidably connected, and the first sliding groove is arranged along the vertical direction, to realize the bearing plate in the first sliding groove Lower slider；

The bearing plate right end is through the right side plate and is fixedly connected with proficiency shank, on the top surface of the bearing plate left end It is fixedly installed a limited block.

As the further explanation of the utility model, the first sliding groove is provided with a plurality of and arranged in parallel.

As the further explanation of the utility model, the level throw motion sliding rail by second sliding slot on the backboard with The backboard is slidably connected, and the second sliding slot is horizontally disposed, to realize the level throw motion sliding rail along described second Sliding slot horizontally slips.

It further include horizontal movement sliding rail as the further explanation of the utility model, the horizontal movement sliding rail is by setting The third sliding slot being placed on the backboard is slidably connected with the backboard, and the third sliding slot is horizontally disposed, to realize The horizontal movement sliding rail horizontally slips along the third sliding slot；

Horizontal movement sliding rail left end is mutually inserted with the level throw motion sliding rail right end, and the horizontal movement sliding rail is right The right side plate is run through at end.

As the further explanation of the utility model, the horizontal movement sliding rail is fixedly installed a grafting on left side Portion, be provided on the level throw motion sliding rail right side slot, the horizontal movement sliding rail and level throw motion sliding rail pass through it is described It realizes and is mutually inserted in plug division insertion slot.

Compared with prior art, what the utility model obtained has the beneficial effect that

1, the experimental demonstration device of the utility model can be used in the experiments such as level throw motion, horizontal movement, the law of inertia Demonstration, makes experimental provision more diversification, to reduce instruction cost.

2, the experimental demonstration device of the utility model can need to change experiment condition according to experiment, enable student more Add intuitive study and understand each law faster, facilitates efficient teaching.

3, the experimental demonstration device of the utility model, structure is simple, easy to use, easy to operate, and manufacturing cost is low.

The utility model is described in further details below with reference to accompanying drawings and embodiments.

Detailed description of the invention

Fig. 1 is the main view of experimental demonstration device.

Fig. 2 is the top view of experimental demonstration device.

Fig. 3 is the left view of experimental demonstration device.

Fig. 4 is the right view of experimental demonstration device.

In figure: 1, bottom plate；2, top plate；3, left plate；4, right side plate；5, transparent panel；6, backboard；7, screw rod；8, it adjusts Handle；9, nut；10, baffle；11, partition；12, sliding machine；13, lance；14, shock portion；15, reset spring；16, it accepts Plate；17, level throw motion sliding rail；18, second bar through hole；19, crash panel；20, limit plate；21, pull ring portion；22, first sliding groove； 23, handle portion；24, limited block；25, second sliding slot；26, third sliding slot；27, horizontal movement sliding rail；28, plug division；29, it inserts Slot.

Specific embodiment

Reach the technical means and efficacy that predetermined purpose is taken for the utility model is further described, below in conjunction with attached drawing And embodiment, to specific embodiment of the present utility model, structure feature and its effect, detailed description are as follows.

The utility model create description in, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and creates and simplify description, Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because This should not be understood as the limitation created to the utility model.

In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply Relative importance or the quantity for implicitly indicating indicated technical characteristic.The feature of " first ", " second " etc. is defined as a result, It can explicitly or implicitly include one or more of the features.In the description that the utility model is created, unless otherwise Illustrate, the meaning of " plurality " is two or more.

Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removable Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can pass through Concrete condition understands concrete meaning of the above-mentioned term in the utility model creation.

It is unfavorable for student to solve the teaching method of explanation existing in the prior art, reasoning and faster, more intuitively learns With understand physical law, existing experimental provision exists again to be had a single function, and is increased technical problems, the present embodiment such as instruction cost and is mentioned For a kind of multi-functional Physical Experiment apparatus for demonstrating, as shown in Figure 1, include framework, framework be by bottom plate 1, top plate 2, left plate 3 with And the rectangular frame structure that right side plate 4 is constituted, framework front side are fixedly installed transparent panel 5, are removably connected on rear side of framework Backboard 6；By the transparent panel 5 on front side of frame structure can intuitive observation experiment process, rear side backboard 6 is by detachably connecting Connect to open at any time, and regulation experiment condition or replacement test articles etc. can lead between the present embodiment dorsulum 6 and framework Hinge connection is crossed, i.e., installs and closes between the bottom plate 1, top plate 2, left plate 3 or the side corresponding with backboard 6 of right side plate 4 of framework Page, enables backboard 6 to rotate to a direction, to open backboard 6；It can also be at the bottom of four sides and framework of backboard 6 Buckle is installed between plate 1, top plate 2, left plate 3 and right side plate 4, removes backboard 6 by opening buckle.

Bottom is provided with a screw rod 7 in framework, and 7 both ends of screw rod are rotatably connected with left plate 3 and right side plate 4 respectively, spiral shell 7 right end of bar is through right side plate 4 and the end is fixedly connected with a regulation handle 8, and a nut 9,9 top of nut are arranged on screw rod 7 It is fixedly connected with a baffle 10；A partition 11 is provided with above screw rod 7, both ends are fixedly connected with left plate 3 and right side plate 4 respectively, The first strip through-hole is provided on partition 11 along its length, baffle 10 stretches out 11 top of partition by the first strip through-hole；Every It is provided with a sliding machine 12 on plate 11, on the left of baffle 10, one is provided on left plate 3 for hitting sliding machine 12 Left plate 3 is run through in lance 13,13 left end of lance, and 13 right end of lance is fixedly installed a shock portion 14, on lance 13, is located at left side Part between plate 3 and shock portion 14 is arranged with a reset spring 15；The law of inertia can be carried out by the sliding machine 12 Experimental demonstration, on trolley initial position place a sliding block, by draw lance 13 make reset spring 15 compress, when release is hit When bar 13, reset spring 15 under the effect of elasticity, makes lance 13 hit sliding machine 12, and sliding machine 12 transports to the right sliding, when When sliding machine 12 is stopped by baffle 10, sliding block on trolley is since effect of inertia continuation is slided to the right, so as to observe cunning The motion state of block in the present embodiment on the car body of trolley, is provided with graduation mark on the side adjacent with transparent panel 5, side Just measurement experiment data, the i.e. sliding distance of sliding block；It is able to rotate screw rod 7 by regulation handle 8, due to being arranged with spiral shell on screw rod 7 Mother 9, and baffle 10 is fixedly installed on nut 9, and baffle 10 runs through the first strip through-hole, i.e., nut 9 and baffle 10 are circumferential is consolidated It is fixed, it cannot rotate, when screw rod 7 rotates, nut 9 is moved along 7 length direction of screw rod, i.e. the horizontal position of controllable register 10 It sets, so as to obtain the influence of the distance between sliding machine 12 and baffle 10 for sliding block sliding distance.

11 top of aforementioned barriers is provided with a bearing plate 16 on the right side of baffle 10, and bearing plate 16 is connect with backboard 6；Frame Top is provided with level throw motion sliding rail 17 in vivo, and as shown in Figure 1 and Figure 2, level throw motion sliding rail 17 is connect with backboard 6, level throw motion 17 top of sliding rail is stretched out at the top of framework by the second bar through hole 18 being set on top plate 2.Pass through 17 He of level throw motion sliding rail Bearing plate 16 is able to carry out experiment of horizontal projectile motion, is placed by 17 top of level throw motion sliding rail and slides bead, bead slide downward, When being detached from level throw motion sliding rail 17, that is, start to do level throw motion, after bead falls to bearing plate 16, it can be learnt that bead is done The horizontal displacement of level throw motion and vertical displacement can be calculated bead and do the first of level throw motion when cooperating timer Speed, thus the more intuitive relationship understood between level throw motion and corresponding formula, in order to which more intuitive measurement is small The displacement of ball is provided with the graduation mark of measurement horizontal displacement, in backboard 6 on the side adjacent with transparent panel 5 of bearing plate 16 On be provided with the graduation mark of measurement bead vertical displacement along the vertical direction, the graduation mark on backboard 6 is set to middle position, Convenient for observation.

A crash panel 19 is fixedly installed in above-mentioned 12 left end of sliding machine, and 12 right end bottom surface of sliding machine is fixed with a limit plate 20；13 left end of lance is fixedly installed a pull ring portion 21, as shown in Figure 1, Figure 2, Figure 4 shows.Crash panel 19 is for bearing lance 13 It hitting, it is preferable that the area of crash panel 19 is greater than the area in shock portion 14, when making to hit, 12 uniform force of sliding machine, steadily Sliding improves experimental precision；Limit plate 20 is convenient to be contacted with baffle 10, sliding when 12 sweep of sliding machine being prevented to be higher than baffle 10 The pulley of dynamic trolley 12 is contacted with baffle 10；Pull ring portion 21, which facilitates, draws lance 13,

Above-mentioned bearing plate 16 is slidably connected by the first sliding groove 22 being set on backboard 6 with backboard 6,22 edge of first sliding groove Vertical direction setting, to realize that bearing plate 16 is slided up and down along first sliding groove 22；16 right end of bearing plate is through right side plate 4 and consolidates Fixed connection proficiency shank 23, bearing plate are fixedly installed a limited block 24 on 16 left end top surface.Above-mentioned first sliding groove 22 is provided with It is a plurality of and arranged in parallel.By the way that first sliding groove 22 is arranged, the vertical height of bearing plate 16 can be adjusted, i.e. adjusting bead The vertical displacement of whereabouts, so as to obtain influence of the vertical displacement for level throw motion；Bearing plate is adjusted by handle portion 23 When 16 height, multiple run through can be opened up in the vertical direction by the part Chong Die with right side plate 4 of transparent panel 5 Aperture, and corresponding position opens up aperture on bearing plate 16, when bearing plate 16 is adjusted to different height, in the height A pin is inserted into aperture, pin is by the aperture on aperture insertion bearing plate 16, so that positioning action is played, Gu Determine the vertical position of bearing plate 16.Limited block 24 can prevent bead from tumbling to the position outside bearing plate 16, a plurality of first sliding groove 22 can make 16 holding of bearing plate horizontal.

Above-mentioned level throw motion sliding rail 17 is slidably connected by the second sliding slot 25 on backboard 6 with backboard 6,25 edge of second sliding slot It is horizontally arranged, to realize that level throw motion sliding rail 17 horizontally slips along second sliding slot 25.It is adjustable flat by second sliding slot 25 The horizontal position of movement sliding rail 17 is thrown, that is, horizontal displacement when bead does level throw motion is adjusted, so as to obtain horizontal displacement Influence for level throw motion.

Further, experimental demonstration device provided in this embodiment is additionally provided with horizontal movement sliding rail 27, as shown in Figure 1, Figure 2, Shown in Fig. 3, horizontal movement sliding rail 27 is slidably connected by the third sliding slot 26 being set on backboard 6 with backboard 6, third sliding slot 26 It is horizontally disposed, to realize that horizontal movement sliding rail 27 horizontally slips along third sliding slot 26；27 left end of horizontal movement sliding rail with 17 right end of level throw motion sliding rail is mutually inserted, and 27 right end of horizontal movement sliding rail runs through right side plate 4.Pass through the horizontal movement sliding rail 27 After 17 grafting of level throw motion sliding rail, bead is moved horizontally after sliding along horizontal movement sliding rail 27, is transported by timer record The dynamic time, so that learning level moves.

A plug division 28 is fixedly installed on above-mentioned 27 left side of horizontal movement sliding rail, on 17 right side of level throw motion sliding rail It is provided with slot 29, as shown in Figure 1, horizontal movement sliding rail 27 and level throw motion sliding rail 17 are inserted into slot 29 by plug division 28 Realization is mutually inserted.Plug division 28 and slot 29 are seamlessly connected horizontal movement sliding rail 27 and level throw motion sliding rail 17, Bu Huiying Ring the horizontal movement of bead.

For more further, sliding machine 12 can also carry out the experiment of level throw motion with bearing plate 16, by bearing plate 16 It is adjusted to the position lower than 12 top surface of sliding machine, bead is placed on sliding machine 12, is i.e. the vertical displacement of bead is fixed not Become, then pull lance 13, hit sliding machine 12, when sliding machine 12 by baffle 10 stop after, bead scroll right and It is detached from sliding machine 12, and does level throw motion, drops down on bearing plate 16, in the experimentation, different size of power can be used Sliding machine 12 is hit, that is, gives bead different size of initial velocity, observes the horizontal movement displacement of bead, and obtains initial velocity pair In the influence of level throw motion；The bead of different quality can also be placed on trolley, keep the power for hitting sliding machine 12 identical, The horizontal displacement of bead is observed, and obtains influence of the mass of object for level throw motion.

It should be pointed out that level throw motion sliding rail 17 and horizontal movement sliding rail 27 and sliding machine 12 in the present embodiment Can drive groove on top surface, to guarantee that bead is moved along straight line in experimentation, improve experimental precision；And this The sliding slot used in embodiment is all made of the common prior art, i.e., the structure of a sliding block is installed in sliding slot, to realize two Opposite sliding between component；Deep groove ball bearing can be used in being rotatably connected between screw rod 7 and left plate 3 and right side plate 4 It realizes, i.e., the outer ring of deep groove ball bearing is fixedly connected with left plate 3 and right side plate 4 and bottom plate 1, partition 11, deep groove ball bearing Inner ring be fixedly connected with 7 both ends of screw rod, to realize the relative rotation of screw rod 7 Yu framework.

It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard To belong to the protection scope of the utility model.

Claims

1. a kind of multi-functional Physical Experiment apparatus for demonstrating, it is characterised in that: including framework, the framework is by bottom plate (1), top plate (2), the rectangular frame structure that left plate (3) and right side plate (4) are constituted, the framework front side are fixedly installed transparent panel (5), backboard (6) are removably connected on rear side of the framework；

Bottom is provided with a screw rod (7) in the framework, screw rod (7) both ends respectively with the left plate (3) and right side plate (4) it being rotatably connected, screw rod (7) right end is through the right side plate (4) and the end is fixedly connected with a regulation handle (8), It is arranged with a nut (9) on the screw rod (7), is fixedly connected with a baffle (10) at the top of the nut (9)；

It is provided with a partition (11) above the screw rod (7), the both ends are solid with the left plate (3) and right side plate (4) respectively It is fixed to connect, the first strip through-hole is provided on the partition (11) along its length, the baffle (10) passes through described first Shape through-hole stretches out above the partition (11)；

It is provided with a sliding machine (12) on the partition (11), on the left of the baffle (10), is set on the left plate (3) One is equipped with for hitting the lance (13) of the sliding machine (12), the left plate (3) are run through in lance (13) left end, institute It states lance (13) right end and is fixedly installed a shock portion (14), on the lance (13), be located at the left plate (3) and shock portion (14) part between is arranged with a reset spring (15)；

Above the partition (11), be located on the right side of the baffle (10) and be provided with a bearing plate (16), the bearing plate (16) with Backboard (6) connection；

The framework inner top is provided with level throw motion sliding rail (17), and the level throw motion sliding rail (17) and the backboard (6) are even It connects, framework is stretched out by the second bar through hole (18) being set on the top plate (2) in level throw motion sliding rail (17) top Top.

2. apparatus for demonstrating according to claim 1, it is characterised in that: sliding machine (12) the left end fixed setting one is hit It hits plate (19), sliding machine (12) the right end bottom surface is fixed with a limit plate (20)；

Lance (13) left end is fixedly installed a pull ring portion (21).

3. apparatus for demonstrating according to claim 1, it is characterised in that: the bearing plate (16) is by being set to the backboard (6) first sliding groove (22) on is slidably connected with the backboard (6), and the first sliding groove (22) is arranged along the vertical direction, with reality The existing bearing plate (16) slides up and down along the first sliding groove (22)；

Bearing plate (16) right end is through the right side plate (4) and is fixedly connected proficiency shank (23), the bearing plate (16) A limited block (24) are fixedly installed on the top surface of left end.

4. apparatus for demonstrating according to claim 3, it is characterised in that: the first sliding groove (22) is provided with a plurality of, and phase Mutually it is arranged in parallel.

5. apparatus for demonstrating according to claim 1, it is characterised in that: the level throw motion sliding rail (17) passes through the backboard (6) second sliding slot (25) on is slidably connected with the backboard (6), and the second sliding slot (25) is horizontally disposed, with reality The existing level throw motion sliding rail (17) horizontally slips along the second sliding slot (25).

6. apparatus for demonstrating according to claim 1-5, it is characterised in that: it further include horizontal movement sliding rail (27), The horizontal movement sliding rail (27) is connected by the third sliding slot (26) being set on the backboard (6) and the backboard (6) sliding It connects, the third sliding slot (26) is horizontally disposed, to realize the horizontal movement sliding rail (27) along the third sliding slot (26) it horizontally slips；

Horizontal movement sliding rail (27) left end is mutually inserted with level throw motion sliding rail (17) right end, and the horizontal movement is sliding Rail (27) right end runs through the right side plate (4).

7. apparatus for demonstrating according to claim 6, it is characterised in that: fixed on horizontal movement sliding rail (27) left side It is provided with a plug division (28), is provided with slot (29) on level throw motion sliding rail (17) right side, the horizontal movement is sliding Rail (27) and level throw motion sliding rail (17) are mutually inserted by realizing in the plug division (28) insertion slot (29).