CN211479447U

CN211479447U - Gravity testing device for education and science and technology

Info

Publication number: CN211479447U
Application number: CN201921902877.4U
Authority: CN
Inventors: 吕书森
Original assignee: Shaanxi Baishiheng Intelligent Technology Development Co ltd
Current assignee: Shaanxi Baishiheng Intelligent Technology Development Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-09-11
Anticipated expiration: 2029-11-06

Abstract

The utility model relates to a gravity testing arrangement technical field, and an education gravity testing arrangement for science and technology is disclosed, which comprises a fixing plate and i, the fixed first bearing that is equipped with on the fixed plate, the inner circle fixedly connected with axis of rotation of first bearing, the one end fixedly connected with backup pad of fixed plate is kept away from to the axis of rotation, one side fixedly connected with gravity testing arrangement of fixed plate is kept away from to the backup pad, symmetrical connection has fixed establishment in the backup pad, fixed establishment all includes the clearing hole, the dead lever, two stoppers, two spacing grooves, two springs, gear and ring gear, the clearing hole symmetry is seted up in the backup pad, the dead lever passes the clearing hole respectively and extends stopper fixed connection on the both sides pole wall of dead lever to both ends. The utility model discloses rotation gravity testing arrangement's that can be convenient direction fixes gravity testing arrangement when the operation simultaneously, makes things convenient for mr to have operated the angle of rotating gravity testing arrangement, makes the more convenient observation of student.

Description

Gravity testing device for education and science and technology

Technical Field

The utility model relates to a gravity test technical field especially relates to a gravity test device for education and technology.

Background

The gravity testing device is an instrument for measuring the gravity characteristics of articles, such as gravitational potential energy, gravitational acceleration and other testing instruments, is widely applied to various industries, and in the field of education, the gravity testing device is needed to enable students to easily know and master gravity knowledge.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current gravity testing arrangement among the prior art, having operated the back at the mr, need manual rotation gravity testing arrangement's angle, make it towards the student, the student of being convenient for observes, very troublesome problem, and the gravity testing arrangement for education science and technology who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the gravity testing device for education and science comprises a fixing plate, wherein a first bearing is fixedly arranged on the fixing plate, an inner ring of the first bearing is fixedly connected with a rotating shaft, one end of the rotating shaft, which is far away from the fixing plate, is fixedly connected with a supporting plate, one side of the supporting plate, which is far away from the fixing plate, is fixedly connected with a gravity testing device, and the supporting plate is symmetrically connected with a fixing mechanism;

fixed establishment all includes clearing hole, dead lever, two stoppers, two spacing grooves, two springs, gear and ring gear, the clearing hole symmetry is seted up in the backup pad, the dead lever passes the clearing hole respectively and extends to both ends, two stopper symmetry fixed connection is on the both sides pole wall of dead lever, the spacing groove has all been seted up on the both sides pore wall that the clearing hole corresponds the stopper position, stopper sliding connection is in the spacing groove, two the one end fixed connection of spring is on one side cell wall that the spacing groove is close to the fixed plate, the other end fixed connection of spring is on a curb plate wall that the stopper corresponds, gear fixed connection is in the one end that the dead lever is close to the fixed plate, ring gear fixed connection is in one side of fixed plate, just the ring gear meshes with the gear mutually.

Preferably, the fixed plate is kept away from a lateral plate wall four corners department equal fixedly connected with lifting unit of backup pad, every group lifting unit all includes threaded sleeve, threaded rod and steadying plate, threaded sleeve fixed connection is on a lateral plate wall that the backup pad was kept away from to the fixed plate, the threaded rod is inserted and is established in the threaded sleeve, just threaded rod and threaded sleeve threaded connection, the threaded rod is kept away from the one end of fixed plate and is passed the telescopic nozzle of threaded sleeve and outwards extend, steadying plate rotates through the second bearing and connects fixed connection and keep away from the telescopic one end of threaded sleeve at the threaded rod, the second bearing is fixed to be established on steadying plate.

Preferably, a ball groove is formed in one end, close to the bottom of the limiting groove, of the limiting block, a ball is connected in the ball groove in a rolling mode, and one end, far away from the bottom of the ball groove, of the ball penetrates through a groove opening of the ball groove and is connected to the bottom of the limiting groove in a rolling mode.

Preferably, one end of each fixing rod, which is far away from the gear, is fixedly connected with a pressing plate, and the pressing plates are arranged annularly.

Preferably, a rotating block is fixedly adjusted on the threaded rod, and anti-skid grains are arranged on the rotating block.

Compared with the prior art, the utility model provides an education gravity testing arrangement for science and technology possesses following beneficial effect:

this gravity testing arrangement is used to education science and technology constitutes a fixing device through setting up clearing hole, dead lever, two stoppers, two spacing grooves, two springs, gear and ring gear, rotation gravity testing arrangement's that can be convenient direction, fixes gravity testing arrangement when the operation simultaneously, makes things convenient for the mr to have operated the angle that rotates gravity testing arrangement, makes the more convenient observation of student.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the direction of rotation gravity testing arrangement that can be convenient fixes gravity testing arrangement when the operation simultaneously, makes things convenient for mr to have operated the angle of rotating gravity testing arrangement, makes the more convenient observation of student.

Drawings

Fig. 1 is a schematic structural diagram of a gravity testing device for education and science;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the device comprises a 1 fixing plate, a 2 rotating shaft, a 3 supporting plate, a 4 gravity testing device, a 5 fixing mechanism, a 51 through hole, a 52 fixing rod, a 53 limiting block, a 54 limiting groove, a 55 spring, a 56 gear, a 57 gear ring, a 6 threaded sleeve, a 7 threaded rod, an 8 ball groove, a 9 ball, a 10 pressing plate, a 11 rotating block and a 12 stabilizing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a gravity testing device for education and science, which comprises a fixing plate 1, wherein a first bearing is fixedly arranged on the fixing plate 1, an inner ring of the first bearing is fixedly connected with a rotating shaft 2, one end of the rotating shaft 2, which is far away from the fixing plate 1, is fixedly connected with a supporting plate 3, one side of the supporting plate 3, which is far away from the fixing plate 1, is fixedly connected with a gravity testing device 4, and the supporting plate 3 is symmetrically connected with a fixing mechanism 5;

the fixing mechanisms 5 respectively comprise through holes 51, fixing rods 52, two limit blocks 53, two limit grooves 54, two springs 55, gears 56 and gear rings 57, the through holes 51 are symmetrically arranged on the supporting plate 3, the fixing rods 52 respectively penetrate through the through holes 51 and extend towards two ends, the two limit blocks 53 are symmetrically and fixedly connected to the rod walls on two sides of the fixing rods 52, the limit grooves 54 are respectively arranged on the hole walls on two sides of the through holes 51 corresponding to the positions of the limit blocks 53, the limit blocks 53 are slidably connected in the limit grooves 54, one ends of the two springs 55 are fixedly connected to the groove wall on one side of the limit groove 54 close to the fixing plate 1, the other ends of the springs 55 are fixedly connected to the plate wall on one side corresponding to the limit blocks 53, the gears 56 are fixedly connected to one end of the fixing rods 52 close to the fixing plate 1, the gear rings 57 are fixedly connected to, promote downwards and press according to board 10, press according to board 10 and drive dead lever 52 downstream, dead lever 52 drives stopper 53 downstream, limiting plate 53 compression spring 55, dead lever 52 drives gear 56 downstream, gear 56 breaks away from with ring gear 57, but backup pad 3 free rotation, rotate backup pad 3 suitable angle, loosen and press board 10, spring 55 resumes elasticity and promotes stopper 53 and rises, stopper 53 drives dead lever 52 and rises, dead lever 52 drives gear 56 and rises, gear 56 meshes with ring gear 57 mutually, backup pad 3 is fixed, can not rotate, rotation gravity testing arrangement 4's that can be convenient direction, fix gravity testing arrangement 4 when the operation simultaneously, make things convenient for mr to have operated the angle of rotating gravity testing arrangement 4, make the more convenient observation of student.

The equal fixedly connected with lifting unit in backup pad 3's a curb plate wall four corners department is kept away from to fixed plate 1, every lifting unit of group all includes threaded sleeve 6, threaded rod 7 and firm board, threaded sleeve 6 fixed connection is on the backup pad 3's a curb plate wall is kept away from to fixed plate 1, threaded rod 7 is inserted and is established in threaded sleeve 6, and threaded rod 7 and threaded sleeve 6 threaded connection, threaded rod 7 keeps away from the one end of fixed plate 1 and passes the nozzle and outwards extension of threaded sleeve 6, firm board 12 rotates the one end of connecting fixed connection and keeping away from threaded sleeve 6 at threaded rod 7 through the second bearing, the second bearing is fixed to be established on firm board 12, the threaded rod rotates, the length of threaded rod can increase, adjust the height of fixed plate 1, make things convenient for the student to observe, can adjust gravity testing arrangement 4's.

The ball groove 8 has been seted up to the one end that stopper 53 is close to the spacing groove 54 tank bottom, and ball 9 is connected to the roll in the ball groove 8, and the one end that ball 9 kept away from the ball groove 8 tank bottom passes the notch of ball groove 8 and roll connection at the tank bottom of spacing groove 54, makes stopper 53 remove more in the same direction as smooth, is difficult for blocking.

The ends of the two fixing rods 52 far away from the gear 56 are fixedly connected with the pressing plate 10 together, and the pressing plate 10 is arranged annularly, so that the fixing rods 52 can be pressed more conveniently and more labor-saving.

The threaded rod 7 is fixedly adjusted to be provided with the rotating block 11, the rotating block 11 is provided with anti-skidding lines, and the threaded rod 7 is not easy to skid and saves more labor.

In the utility model, when the gravity testing device needs to be rotated, the pressing plate 10 is pushed downwards, the pressing plate 10 drives the fixing rod 52 to move downwards, the fixing rod 52 drives the limiting block 53 to move downwards, the limiting block 53 compresses the spring 55, the fixing rod 52 drives the gear 56 to move downwards, the gear 56 is separated from the gear ring 57, the supporting plate 3 can rotate freely, the supporting plate 3 is rotated to a proper angle, the pressing plate 10 is loosened, the spring 55 recovers elasticity to push the limiting block 53 to rise, the limiting block 53 drives the fixing rod 52 to rise, the fixing rod 52 drives the gear 56 to rise, the gear 56 is meshed with the gear ring 57, the supporting plate 3 is fixed and can not rotate, and the gravity testing device 4 can be conveniently rotated, meanwhile, the gravity testing device 4 is fixed during operation, so that a teacher can conveniently operate the angle for rotating the gravity testing device 4, and students can observe the gravity conveniently.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The gravity testing device for education and science and technology comprises a fixing plate (1), and is characterized in that a first bearing is fixedly arranged on the fixing plate (1), a rotating shaft (2) is fixedly connected to the inner ring of the first bearing, a supporting plate (3) is fixedly connected to one end, far away from the fixing plate (1), of the rotating shaft (2), a gravity testing device (4) is fixedly connected to one side, far away from the fixing plate (1), of the supporting plate (3), and fixing mechanisms (5) are symmetrically connected to the supporting plate (3);

the fixing mechanism (5) comprises through holes (51), a fixing rod (52), two limit blocks (53), two limit grooves (54), two springs (55), a gear (56) and a gear ring (57), the through holes (51) are symmetrically arranged on the supporting plate (3), the fixing rod (52) penetrates through the through holes (51) and extends towards two ends, the two limit blocks (53) are symmetrically and fixedly connected onto two side rod walls of the fixing rod (52), the limit grooves (54) are arranged on two side hole walls of the through holes (51) corresponding to the position of the limit blocks (53), the limit blocks (53) are slidably connected into the limit grooves (54), one ends of the two springs (55) are fixedly connected onto one side groove wall of the limit groove (54) close to the fixing plate (1), and the other ends of the springs (55) are fixedly connected onto one side plate wall corresponding to the limit blocks (53), the gear (56) is fixedly connected to one end, close to the fixing plate (1), of the fixing rod (52), the gear ring (57) is fixedly connected to one side of the fixing plate (1), and the gear ring (57) is meshed with the gear (56).

2. The gravity testing device for education and technology according to claim 1, four corners of one side wall of the fixed plate (1) far away from the supporting plate (3) are fixedly connected with lifting components, each group of lifting components comprises a threaded sleeve (6), a threaded rod (7) and a stabilizing plate (12), the threaded sleeve (6) is fixedly connected to one side wall of the fixing plate (1) far away from the supporting plate (3), the threaded rod (7) is inserted into the threaded sleeve (6), the threaded rod (7) is in threaded connection with the threaded sleeve (6), one end of the threaded rod (7) far away from the fixed plate (1) penetrates through the opening of the threaded sleeve (6) and extends outwards, the stabilizing plate (12) is fixedly connected to one end, far away from the threaded sleeve (6), of the threaded rod (7) through a second bearing in a rotating mode, and the second bearing is fixedly arranged on the stabilizing plate (12).

3. The gravity testing device for education and science according to claim 1, wherein a ball groove (8) is formed in one end, close to the bottom of the limiting groove (54), of the limiting block (53), a ball (9) is connected in the ball groove (8) in a rolling mode, and one end, far away from the bottom of the ball groove (8), of the ball (9) penetrates through the notch of the ball groove (8) and is connected to the bottom of the limiting groove (54) in a rolling mode.

4. The gravity testing device for educational science and technology according to claim 1, wherein one end of each of the two fixing rods (52) far away from the gear (56) is fixedly connected with a pressing plate (10), and the pressing plates (10) are arranged in a ring shape.

5. The gravity testing device for education and technology according to claim 2, wherein the threaded rod (7) is fixedly adjusted with a rotating block (11), and the rotating block (11) is provided with anti-skid lines.