CN203706575U

CN203706575U - Novel elastic fluid demonstrator

Info

Publication number: CN203706575U
Application number: CN201420008983.9U
Authority: CN
Inventors: 刘宝全
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-08
Filing date: 2014-01-08
Publication date: 2014-07-09
Anticipated expiration: 2024-01-08

Abstract

The utility model relates to an apparatus, especially to a novel elastic fluid demonstrator used in physics teaching in junior middle school. A circular hole is formed in the top of a wooden box, a tunnel is inserted into the circular hole, and the tunnel, a three-way pipe and a water tank are connected via a rubber pipe joint, a water guide rubber pipe and a water inlet pipe. One end of a spring is connected with stay wires, and the other end of the spring is connected with a screw rod. A U-shaped support is connected with the screw rod via a nut and with the outer wall of the box via screws. The lower ends of the stay wires are connected with a liquid storage tunnel via hangers. An iron hoop and a rubber valve are arranged in the tube wall of the lower end of the liquid storage tunnel. A semi-automatic push-open drainage switch is formed by the liquid storage tunnel, an iron centre and an iron seat, and the upper end of the iron centre is provided with a bar-shaped magnet. The novel elastic fluid demonstrator is strongly interesting, easy to operate and manufacture, low in cost, capable of exciting students' aspiration to knowledge, and conducive to mastering simple mechanical knowledge for students.

Description

A kind of novel elastic formula fluid demonstrator

Technical field

The utility model relates to a kind of instrument, mainly refers to a kind of novel elastic formula fluid demonstrator of using in junior middle school physics teaching.

Background technology

At present, along with the continuous progress of China's modern science and technology and the continuous expansion of school's source of students, the number of taking an examination is more and more, this student's who makes in school learning pressure is also increasing, simultaneously the affecting this and just make Most students put on computer network of social environment in addition, student's study energy and actual operational capacity are disperseed, cause the decline of school student total quality, therefore, just how to improve student's learning interest, improve student's school grade comprehensively, further this problem of wisdom of exploitation student, very serious pendulum teacher in face of, become present school teacher and generally feel worried problem.

Utility model content

The purpose of this utility model is just to provide a kind of novel elastic formula fluid demonstrator, have simple in structure, cost is low, easy to manufacture, be conducive to student to simple and mechanical understanding, excite student's desire for knowledge, improve the object of school grade thereby reach.

For achieving the above object, a kind of novel elastic formula fluid demonstrator of the present utility model, comprise wooden case, cabinet exterior, collet, tank, water inlet pipe, rising pipe, water outlet sebific duct, small sircle hole, water conduction rubber hose, three-way pipe, rubber hose coupling, funnel is chewed, funnel, iron seat, iron thimble, bar magnet, rubber valve, iron hoop, liquid storage bucket, hanger, bracing wire, suspension hook, spring, upper end suspension hook, lifting hole(eyelet), lead screw, nut, U-shaped support, screw, threeway is main chews, threeway is paid and is chewed, threeway sluices and chews, aperture, weep hole, liquid storage bucket tube wall, big hole, circular hole, soft related.Top at wooden case has big hole, funnel inserts among big hole, and by rubber hose coupling, three-way pipe is coupled together, a side at tank is provided with water inlet pipe, water inlet pipe couples together by water conduction rubber hose and three-way pipe, bottom at the opposite side of tank is provided with rising pipe, water outlet sebific duct one end passes from the small sircle hole of wooden case, the other end is connected with the rising pipe realization being located on tank, spring lower end is provided with hook and is connected with bracing wire, the other end is provided with upper end suspension hook, and realize connection by the lifting hole(eyelet) that is located at lead screw lower end, U-shaped support is provided with a circular hole, lead screw is through among circular hole and realizes and being connected of U-shaped support by being located at nut in lead screw, U-shaped is connected with cabinet exterior by screw, the lower end of bracing wire is connected with liquid storage bucket by the hanger being located on liquid storage bucket, in the liquid storage bucket tube wall of liquid storage bucket lower end, be provided with iron hoop and rubber valve, iron hoop is connected with liquid storage bucket tube wall by multi-purpose adhesive, rubber valve is provided with soft related, soft be relatedly connected with a side of iron hoop by multi-purpose adhesive, the central authorities of iron hoop are provided with weep hole, tank central authorities under weep hole are provided with an iron seat, the central authorities of iron seat are provided with an iron thimble, iron thimble is the center to weep hole just, be provided with a bar magnet in the upper end of iron thimble, the center of bar magnet is provided with an aperture, iron thimble is through in aperture, and fix by multi-purpose adhesive.

When inject clear water in funnel time, a part for clear water is paid and is chewed by threeway, water conduction rubber hose, water inlet pipe flows into tank, flow out by rising pipe and water outlet sebific duct again, some clear water sluices to chew by threeway and flows in liquid storage bucket simultaneously, the amount of the clear water that now water outlet sebific duct flows out is less than the amount of the clear water injecting in funnel, in the time that the clear water amount of injecting constantly increases, clear water in liquid storage bucket is also increasing simultaneously, now liquid storage bucket can move down under the effect of gravity, now spring can elongate gradually along with the continuous injection of clear water in funnel, bar magnet attracts the power of iron hoop also in continuous reinforcement, in the time that liquid storage bucket drops to a certain degree, bar magnet will hold iron hoop, cause iron thimble to get out the rubber valve above weep hole, make in the current intake chamber in liquid storage bucket, so just have whole water by rising pipe and water outlet sebific duct, in the time that the current in liquid storage bucket are most, liquid storage bucket can rise under the pulling force effect of spring, realize the reset of spring, now, rubber valve covers weep hole again, thereby realize the reset of rubber valve.

Owing to having adopted such scheme, a kind of anti-novel elastic formula fluid demonstrator that the utility model provides has such beneficial effect, have simple to operate, cost is low, it is easy to produce, easy for installation, be conducive to the study of student to simple and mechanical knowledge, excite the feature of student's aspiration to knowledge.

Brief description of the drawings

Structural representation when Fig. 1 is the use of a kind of novel elastic formula of the utility model fluid demonstrator.

Embodiment

Below in conjunction with accompanying drawing and concrete embodiment, the utility model is described in further detail.

In Fig. 1,1, wooden case; 2, cabinet exterior; 3, collet; 4, tank; 5, water inlet pipe; 6, rising pipe; 7, water outlet sebific duct; 8, small sircle hole; 9, water conduction rubber hose; 10, three-way pipe; 11, rubber hose coupling; 12, funnel is chewed; 13, funnel; 14, iron seat; 15, iron thimble; 16, bar magnet; 17, rubber valve; 18, iron hoop; 19, liquid storage bucket; 20, hanger; 21, bracing wire; 22, suspension hook; 23, spring; 24, upper end suspension hook; 25, lifting hole(eyelet); 26, lead screw; 27, nut; 28, U-shaped support; 29, screw; 30, threeway is main chews; 31, threeway is paid and is chewed; 32, threeway sluices and chews; 33, aperture; 34, weep hole; 35, liquid storage bucket tube wall; 36, big hole; 37, circular hole; 38, soft related.

In Fig. 1, have big hole 36 at the top of wooden case 1, funnel 13 inserts among big hole 36, and by rubber hose coupling 11, three-way pipe 10 is coupled together, a side at tank 4 is provided with water inlet pipe 5, water inlet pipe 5 is paid and is chewed 31 and couple together by water conduction rubber hose 9 and three-way pipe 10 threeway above, be provided with rising pipe 6 in the bottom of the opposite side of tank 4, one end of water outlet sebific duct 7 passes from the small sircle hole 8 of wooden case, the other end is realized and being connected with the rising pipe 6 that is located at tank 4 bottoms, spring 23 one end are provided with suspension hook 22 and are connected with bracing wire 21, the other end is provided with upper end suspension hook 24, and realize connection by the lifting hole(eyelet) 25 that is located at lead screw 26 lower ends, on U-shaped support 28, be provided with a circular hole 37, lead screw 26 is through among circular hole 37 and realizes and being connected of U-shaped support 28 by being located at nut 27 in lead screw 26, U-shaped support 28 is connected with cabinet exterior 2 by screw 29, the lower end of bracing wire 21 is connected with liquid storage bucket 19 by the hanger 20 being located on liquid storage bucket 19, in the liquid storage bucket tube wall 35 of liquid storage bucket 19 lower ends, be provided with iron hoop 18 and rubber valve 17, iron hoop 18 is connected with liquid storage bucket tube wall 35 by multi-purpose adhesive, rubber valve 17 is provided with soft related 38, soft related 38 are connected with a side of iron hoop 18 by multi-purpose adhesive, the central authorities of iron hoop 18 are provided with weep hole 34, the central authorities of the tank 4 under weep hole 34 are provided with an iron seat 14, the central authorities of iron seat 14 are provided with an iron thimble 15, iron thimble 15 is just to weep hole 34 center, be provided with a bar magnet 16 in the upper end of iron thimble 15, bar magnet 16 center is provided with an aperture 33, iron thimble 15 is through in aperture 33, and fix by multi-purpose adhesive.

When inject clear water in funnel 13 time, a part for clear water is paid and is chewed 31 by threeway, water conduction rubber hose 9, water inlet pipe 5 flows into tank 4, flow out by rising pipe 6 and water outlet sebific duct 7 again, simultaneously some clear water is sluiced and is chewed 32 and flow in liquid storage bucket 19 by threeway, the clear water amount that now water outlet sebific duct 7 flows out is less than the amount of the clear water injecting in funnel 13, in the time that the clear water amount of injecting constantly increases, water in liquid storage bucket 19 is also increasing simultaneously, like this, liquid storage bucket 19 starts to move down under the acting in conjunction of clear water gravity and bar magnet 16 magnetic force, now spring 23 can be along with the continuous injection of clear water is elongated gradually, magnet 16 attracts the power of iron hoop 18 also in continuous reinforcement, in the time that liquid storage bucket 19 drops to a certain degree, bar magnet 16 will hold iron hoop 18, cause iron thimble 15 to get out weep hole 34 rubber valve 17 above, make in the current intake chamber 4 in liquid storage bucket 19, so just have whole water by rising pipe 6 and water outlet sebific duct 7, in the time that the clear water in liquid storage bucket 19 flows to end, liquid storage bucket 19 can rise under the pulling force effect of spring 23, realize the reset of spring 23, now, rubber valve 17 covers weep hole 34 again, thereby realize the reset of rubber valve 17.

Claims

1. a novel elastic formula fluid demonstrator, it comprises wooden case (1), cabinet exterior (2), collet (3), tank (4), water inlet pipe (5), rising pipe (6), water outlet sebific duct (7), small sircle hole (8), water conduction rubber hose (9), three-way pipe (10), rubber hose coupling (11), funnel is chewed (12), funnel (13), iron seat (14), iron thimble (15), bar magnet (16), rubber valve (17), iron hoop (18), liquid storage bucket (19), hanger (20), bracing wire (21), suspension hook (22), spring (23), upper end suspension hook (24), lifting hole(eyelet) (25), lead screw (26), nut (27), U-shaped support (28), screw (29), threeway is main chews (30), threeway is paid and is chewed (31), threeway sluices and chews (32), aperture (33), weep hole (34), liquid storage bucket tube wall (35), big hole (36), circular hole (37), soft related (38), it is characterized in that: the upper end of described spring (23) is provided with upper end suspension hook (24), and the lifting hole(eyelet) (25) being provided with by lead screw (26) lower end is realized and being connected of lead screw (26), on U-shaped support (28), be provided with circular hole (37), lead screw (26) is inserted in circular hole (37), and realize and being connected of U-shaped support (28) by being located at nut (27) in lead screw (26), U-shaped support (28) upper end is passed through screw (29) and is connected with cabinet exterior (2), described liquid storage bucket (19) is connected with spring (23) suspension hook (22) below with bracing wire (21) by the hanger (20) being located on liquid storage bucket (19), in liquid storage bucket tube wall (35) below liquid storage bucket (19), be provided with iron hoop (18) and rubber valve (17), iron hoop (18) is connected with liquid storage bucket tube wall (35) by multi-purpose adhesive, one side of rubber valve (17) is provided with soft related (38), soft related (38) are connected with a side of iron hoop (18) by multi-purpose adhesive, be provided with weep hole (34) in the central authorities of iron hoop (18), under weep hole (34), be provided with iron thimble (15), iron thimble (15) is inserted in the central authorities of iron seat (14) and realizes connection by welding, iron seat (14) is realized and being connected of tank (4) bottom by multi-purpose adhesive, in the middle of being provided with in the upper end of iron thimble (15), be provided with the bar magnet (16) of aperture (33), bar magnet (16) is connected by the realization of aperture (33) and multi-purpose adhesive and iron thimble (15).