CN207517227U

CN207517227U - A kind of physical throwing experimental provision

Info

Publication number: CN207517227U
Application number: CN201720782822.9U
Authority: CN
Inventors: 李长萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-30
Filing date: 2017-06-30
Publication date: 2018-06-19
Anticipated expiration: 2027-06-30

Abstract

The utility model discloses a kind of physical throwing experimental provisions, including pedestal, bearing peace throws guide rail, the chassis outer side is equipped with leveling bolt, and leveling bolt lower end is connected with supporting leg, the pedestal upper end is equipped with baffle, and it is connected at left and right sides of baffle by axis pin with longitudinal pressing plate, threaded post is installed on the outside of the longitudinal direction pressing plate, and threaded post lower end is connected with motor, the Bearing inner, which runs through, threaded post, and it is connected on the outside of bearing by regulating mechanism with ball receiving groove, the baffle upper center is equipped with lateral folder, upper end is equipped with toss switch on the left of the flat throwing guide rail, and toss switch inside is provided with steel ball, the left side upper end thrown guide rail and be set to baffle, and the flat outside thrown guide rail and be located at carbon paper, the longitudinal direction pressing plate lower end is equipped with non-slip mat.The physical throwing experimental provision is provided with leveling bolt, can facilitate and carry out leveling to device, and then can improve the accuracy of device experimental result.

Description

A kind of physical throwing experimental provision

Technical field

The utility model is related to physics facility technical field, specially a kind of physical throwing experimental provision.

Background technology

Level throw motion is that object is dished out with certain initial velocity level, if only by gravity, such movement is named Level throw motion is done, level throw motion is an important experiment of physics, therefore the quality of the experimental facilities of level throw motion directly affects This student is the important device for carrying out level throw motion, can improve experiment to the direct feel of level throw motion, impeller ramming experiment device Accuracy, while the characteristics of can intuitively reflect level throw motion, with the development of science and technology, physical throwing experimental provision has very The development of big degree, its development bring great convenience to student when carrying out experiment of horizontal projectile motion, type and quantity Also just growing day by day.It is most of although physical throwing experimental provision type and quantity currently on the market are very more Physical throwing experimental provision is often only clamped the clamping mode of carbon paper in one end of carbon paper, be easy to cause carbon paper It comes off, and then leads to the failure of an experiment, while the position of ball receiving groove is adjusted by manpower, it is impossible to accurately be parked in specific bit It puts.

Utility model content

The purpose of this utility model is to provide a kind of physical throwing experimental provision, to solve above-mentioned background technology proposition Physical throwing experimental provision currently on the market is often only clamped the clamping mode of carbon paper in one end of carbon paper, holds It easily causes carbon paper to come off, and then leads to the failure of an experiment, while the position of ball receiving groove is adjusted by manpower, it is impossible to is accurate The problem of being parked in designated position.

To achieve the above object, the utility model provides following technical solution：A kind of physical throwing experimental provision, the bottom of including Seat, bearing peace throw guide rail, and the chassis outer side is equipped with leveling bolt, and leveling bolt lower end is connected with supporting leg, described Pedestal upper end is equipped with baffle, and is connected at left and right sides of baffle by axis pin with longitudinal pressing plate, on the outside of the longitudinal direction pressing plate Threaded post is installed, and threaded post lower end is connected with motor, the Bearing inner, which runs through, threaded post, and passes through on the outside of bearing Regulating mechanism is connected with ball receiving groove, is equipped with level meter, and pedestal upper end is provided with ball receiving groove on the outside of the middle of the base, institute It states baffle upper center and lateral folder is installed, and carbon paper is provided on the inside of lateral folder, upper end on the left of the flat throwing guide rail Toss switch is installed, and toss switch inside is provided with steel ball, the left side upper end thrown guide rail and be set to baffle, and puts down and throw Guide rail is located at the outside of carbon paper, and the longitudinal direction pressing plate lower end is equipped with non-slip mat.

Preferably, there are four the leveling bolt is set altogether, and it is located at the quadrangle of pedestal respectively.

Preferably, the Bearing inner is helicitic texture, and Bearing inner helicitic texture and threaded post external screw-thread structure It matches.

Preferably, longitudinal pressing plate is rotation connection, and the slewing area of axis pin is 0-30 ° by axis pin with baffle.

Preferably, the length of the ball receiving groove is equal to the distance between longitudinal pressing plate of the left and right sides, and ball receiving groove or so Both sides are both provided with regulating mechanism.

Preferably, the regulating mechanism includes shell, adjusting nut, elongation connecting rod and fixed block, and outer side is installed There is section nut, through there is elongation connecting rod, elongation connecting rod is flexibly connected, and outer side is with receiving section nut interior with fixed block Slot is is fixedly connected with, and fixed block is with bearing to be fixedly connected.

Compared with prior art, the beneficial effects of the utility model are：The physical throwing experimental provision is provided with leveling spiral shell Bolt can facilitate and carry out leveling to device, and then can improve the accuracy of device experimental result, while longitudinal pressing plate and baffle It is rotation connection by axis pin, and the slewing area of axis pin is 0-30 °, can facilitate and carbon paper is replaced, while can It is clamped, reduces the possibility that carbon paper during the experiment comes off, and then the success rate of device can be improved, and And simple and stable structure is high, Bearing inner is helicitic texture, and Bearing inner helicitic texture and threaded post external screw-thread structure It matches, can be moved up and down by the rotation band dynamic bearing of motor, so as to which ball receiving groove is driven to move up and down, Jin Erneng It is enough accurately to position ball receiving groove, designated position can be parked in, and be additionally provided with regulating mechanism, it can be to vertical It is adjusted to the tightness of pressing plate, can facilitate and carbon paper is clamped or loosened, and can ensure to connect Ball groove remains horizontal, and then can ensure the conventional efficient of device.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model present invention looks up structural representation；

Fig. 3 is partial enlargement structural representation at A in the utility model Fig. 1.

In figure：1st, pedestal, 2, supporting leg, 3, leveling bolt, 4, baffle, 5, threaded post, 6, axis pin, 7, bearing, 8, longitudinal direction Pressing plate, 9, motor, 10, level meter, 11, ball receiving groove, 12, regulating mechanism, 1201, shell, 1202, adjusting nut, 1203, stretch Long connecting rod, 1204, fixed block, 13, lateral folder, 14, carbon paper, 15, it is flat throw guide rail, 16, steel ball, 17, toss switch, 18, Non-slip mat.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, 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 embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of physical throwing experimental provision, including pedestal 1st, supporting leg 2, leveling bolt 3, baffle 4, threaded post 5, axis pin 6, bearing 7, longitudinal pressing plate 8, motor 9, level meter 10, receive Slot 11, regulating mechanism 12, lateral folder 13, carbon paper 14, flat throwing guide rail 15, steel ball 16, toss switch 17 and non-slip mat 18, bottom 1 outside of seat is equipped with leveling bolt 3, and 3 lower end of leveling bolt is connected with supporting leg 2, and there are four the common settings of leveling bolt 3, and It is located at the quadrangle of pedestal 1 respectively, can facilitate and carry out leveling to device, and then can improve the accurate of device experimental result Property, 1 upper end of pedestal is equipped with baffle 4, and 4 left and right sides of baffle is connected by axis pin 6 with longitudinal pressing plate 8, longitudinal pressing plate 8 With baffle 4 by axis pin 6 to be rotatablely connected, and the slewing area of axis pin 6 is 0-30 °, can facilitate and carbon paper 14 is carried out more It changes, while it can be clamped, reduce the possibility that carbon paper 14 comes off during the experiment, and then dress can be improved The success rate put, and simple and stable structure is high, and longitudinal 8 outside of pressing plate is equipped with threaded post 5, and 5 lower end of threaded post connects There is motor 9,7 inside of bearing, which is run through, threaded post 5, is helicitic texture, and 7 internal threading arrangement of bearing and spiral shell inside bearing 7 5 external screw-thread structure of line column matches, and can be moved up and down by the rotation band dynamic bearing 7 of motor 9, be connect so as to drive Ball groove 11 moves up and down, and then can accurately position ball receiving groove 11, can be parked in designated position, and bearing 7 outsides are connected by regulating mechanism 12 with ball receiving groove 11, and the length of ball receiving groove 11 is equal between longitudinal pressing plate 8 of the left and right sides Distance, and the left and right sides of ball receiving groove 11 is both provided with regulating mechanism 12, and steel ball 16 can be avoided to roll out device, and then avoids pair The experimental result of device impacts, and regulating mechanism 12 includes shell 1201, adjusting nut 1202, elongation connecting rod 1203 and fixes Block 1204, and 1201 outside of shell is equipped with section nut 1202, through there is elongation connecting rod 1203, elongation connects 1202 inside of section nut Bar 1203 is flexibly connected with fixed block 1204, and the outside of shell 1201 with ball receiving groove 11 to be fixedly connected, fixed block 1204 and Bearing 7 can be adjusted the tightness of longitudinal pressing plate 8, can facilitate and carbon paper 14 is carried out to be fixedly connected It clamps or loosens, and can ensure that ball receiving groove 11 remains horizontal, and then can ensure the conventional efficient of device, pedestal 1 middle part outside is equipped with level meter 10, and 1 upper end of pedestal is provided with ball receiving groove 11, and 4 upper center of baffle is equipped with lateral folder 13, and 13 inside of lateral folder is provided with carbon paper 14, flat 15 left side upper end of guide rail of throwing is equipped with toss switch 17, and toss is opened It closes 17 insides and is provided with steel ball 16, throw the left side upper end that guide rail 15 is set to baffle 4, and flat guide rail 15 of throwing is located at carbon paper 14 Outside, longitudinal 8 lower end of pressing plate are equipped with non-slip mat 18.

Operation principle：When using the physical throwing experimental provision, first, it should the structure of whole device be carried out simple Understanding, open lateral folder 13 later, and carbon paper 14 is installed into the lower end of lateral folder 13, then carbon paper 14 exist The up-regulation leveling of baffle 4 is whole, then adjusting nut 1202 of the rotation in the regulating mechanism 12 of 11 both sides of ball receiving groove, adjusting nut 1202 drive elongation connecting rod 1203 to be shunk to 1201 inside of shell, and then close to 11 middle part of ball receiving groove with dynamic bearing 7, so as to It is enough that longitudinal pressing plate 8 is rotated, and then carbon paper 14 can be compressed from both sides by axis pin 6, it is effective to reduce The possibility that carbon paper 14 comes off so as to improve the accuracy of device experiment, observes level meter 10, and pass through rotation later The drive supporting leg 2 of leveling bolt 3, which moves up and down, to be achieved the purpose that, to device balance adjustment, then to start motor 9, motor 9 Threaded post 5 is driven to rotate, so that bearing 7 is moved up and down along threaded post 5, can ball receiving groove 11 be accurately parked in finger Positioning is put, and later by the way that toss switch 17 is controlled to put down steel ball 16, it is made to be moved downward along flat throwing guide rail 15, then steel ball 16 are caught by ball receiving groove 11, and leave a trace on carbon paper 14, adjust the height of ball receiving groove 11 repeatedly, and by steel ball 16 from same One height is put down, and just can complete entire flat parabolic experimental, and here it is the whole work process of the physical throwing experimental provision.

Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art is come Say, can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims

1. a kind of physical throwing experimental provision, including pedestal（1）, bearing（7）Peace throws guide rail（15）, it is characterised in that：It is described Pedestal（1）Outside is equipped with leveling bolt（3）, and leveling bolt（3）Lower end is connected with supporting leg（2）, the pedestal（1）Upper end Baffle is installed（4）, and baffle（4）The left and right sides passes through axis pin（6）With longitudinal pressing plate（8）It is connected, the longitudinal direction pressing plate （8）Outside is equipped with threaded post（5）, and threaded post（5）Lower end is connected with motor（9）, the bearing（7）Inside, which is run through, spiral shell Line column（5）, and bearing（7）Outside passes through regulating mechanism（12）With ball receiving groove（11）It is connected, the pedestal（1）Pacify on the outside of middle part Equipped with level meter（10）, and pedestal（1）Upper end is provided with ball receiving groove（11）, the baffle（4）Upper center is equipped with lateral paper Folder（13）, and lateral folder（13）Inside is provided with carbon paper（14）, the flat throwing guide rail（15）Left side upper end is equipped with toss Switch（17）, and toss switchs（17）Inside is provided with steel ball（16）, the throwing guide rail（15）It is set to baffle（4）Left side on End, and flat throwing guide rail（15）Positioned at carbon paper（14）Outside, it is described longitudinal direction pressing plate（8）Lower end is equipped with non-slip mat（18）.

2. a kind of physical throwing experimental provision according to claim 1, it is characterised in that：The leveling bolt（3）It sets altogether There are four putting, and it is located at pedestal respectively（1）Quadrangle.

3. a kind of physical throwing experimental provision according to claim 1, it is characterised in that：The bearing（7）Inside is spiral shell Line structure, and bearing（7）Internal threading arrangement and threaded post（5）External screw-thread structure matches.

4. a kind of physical throwing experimental provision according to claim 1, it is characterised in that：The longitudinal direction pressing plate（8）With gear Plate（4）Pass through axis pin（6）To be rotatablely connected, and axis pin（6）Slewing area be 0-30 °.

5. a kind of physical throwing experimental provision according to claim 1, it is characterised in that：The ball receiving groove（11）Length Equal to longitudinal pressing plate of the left and right sides（8）The distance between, and ball receiving groove（11）The left and right sides is both provided with regulating mechanism（12）.

6. a kind of physical throwing experimental provision according to claim 1, it is characterised in that：The regulating mechanism（12）Including Shell（1201）, adjusting nut（1202）, elongation connecting rod（1203）And fixed block（1204）, and shell（1201）Outside is equipped with Save nut（1202）, save nut（1202）Inside, which is run through, elongation connecting rod（1203）, extend connecting rod（1203）With fixed block （1204）Flexible connection, and shell（1201）Outside and ball receiving groove（11）To be fixedly connected, fixed block（1204）With bearing（7） To be fixedly connected.