CN214999211U

CN214999211U - Automatic control device for crank rocker

Info

Publication number: CN214999211U
Application number: CN202022855177.3U
Authority: CN
Inventors: 黄宇路
Original assignee: Shanghai Zhuoben Intelligent Technology Co ltd
Current assignee: Shanghai Zhuoben Intelligent Technology Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-12-03
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses an automatic control device for crank rocker, which comprises a mounting plate, wherein a hack lever is arranged at the bottom end of one side edge of the mounting plate, a first connecting shaft is arranged at one end of the hack lever, a crank is arranged on the first connecting shaft, a connecting rod is arranged at the top of the crank, a second connecting shaft is arranged between the connecting rod and the crank, a third connecting shaft is arranged at one end of the connecting rod far away from the crank, a third connecting shaft is arranged between the rocker and the connecting rod, one end of the rocker far away from the connecting rod is connected with one end of the hack lever far away from the crank, a fourth connecting shaft is arranged between the hack lever and the rocker, a rotating disc is arranged at one side edge of the mounting plate far away from the hack lever, a first arc-shaped tooth socket and a second arc-shaped tooth socket are arranged on the rotating disc, and the tooth number of the first arc-shaped tooth socket is half of the tooth number of the second arc-shaped tooth socket, and a motor is installed on one side edge of the mounting plate, which is far away from the frame rod.

Description

Automatic control device for crank rocker

Technical Field

The utility model relates to a crank rocker technical field relates to an automatic control device for crank rocker particularly.

Background

The crank-rocker mechanism is a hinged four-bar mechanism with a crank and a rocker, generally, the crank is a driving part and rotates at a constant speed, the rocker is a driven part and swings back and forth at a variable speed, a connecting rod moves in a plane compound motion, the crank-rocker mechanism also uses the rocker as a driving member, and the reciprocating swing of the rocker is converted into the rotation of the crank; the existing crank rocker mechanism has the advantages that in the using process, the swinging angular speed of the rocker arm is not uniform due to the quick return characteristic, the stability of the structure is influenced, the product quality is influenced, and the using requirements of people cannot be better met.

In conclusion, how to enable the rocker arm of the crank rocker mechanism to swing at a constant speed is a technical problem which needs to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is to above not enough, provide an automatic control device for crank rocker, solve how can make crank rocker mechanism's rocker swing arm at the uniform velocity wobbling problem.

The technical scheme of the utility model is realized like this:

an automatic control device for a crank rocker comprises a mounting plate, a rack rod is mounted at the bottom end of one side edge of the mounting plate, a first connecting shaft is mounted at one end of the rack rod, a crank is mounted on the first connecting shaft, a connecting rod is mounted at the top of the crank, a second connecting shaft is mounted between the connecting rod and the crank, a rocker is mounted at one end, far away from the crank, of the connecting rod, a third connecting shaft is mounted between the rocker and the connecting rod, one end, far away from the connecting rod, of the rocker is connected with one end, far away from the crank, of the rack rod, a fourth connecting shaft is mounted between the rack rod and the rocker, a rotating disc is mounted at one side edge, far away from the rack rod, of the mounting plate, a first arc-shaped tooth socket and a second arc-shaped tooth socket are formed in the rotating disc, the number of the first arc-shaped tooth socket is half of the number of the second arc-shaped tooth socket, and a motor is mounted at one side edge, far away from the rack rod, and is mounted on the third connecting shaft, and a gear matched with the arc-shaped tooth groove I is installed at one end of the motor, and the gear is meshed with the rotating disc.

Preferably, a first positioning slide block is arranged on one side edge, close to the mounting plate, of the second connecting shaft.

Preferably, the mounting plate is provided with a first positioning sliding groove matched with the first positioning sliding block, and the first positioning sliding groove is of a circular groove structure.

Preferably, one side of the connecting shaft III close to the mounting plate is provided with a positioning slide block II.

Preferably, the mounting plate is provided with a second positioning sliding groove which is matched with the second positioning sliding block and is of an arc-shaped structure.

Preferably, the two side edges of the rotating disc are provided with a third positioning sliding block, and a third positioning sliding groove matched with the three phases of the positioning sliding blocks is annularly arranged at the position, corresponding to the three phases of the positioning sliding blocks, on the mounting plate.

Preferably, the motor is close to fixed frame is installed to a side of mounting panel, just fixed frame is kept away from a side of motor with mounting panel fixed connection.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. through the motor with the gear and the rolling disc, the cooperation arc tooth's socket one with the interact of arc tooth's socket two can make the swing of rocker reaches the effect at the uniform velocity to can make crank rocker mechanism reach better stability, and then be convenient for can be better satisfy people's user demand.

2. Through the utility model discloses fine solution how can make the rocker swing arm of crank rocker mechanism problem at the uniform velocity of swing for crank rocker mechanism avoids its snap-back characteristic to lead to the uneven condition of swing angular velocity of rocker swing arm to take place at the in-process that uses, has ensured the stability of structure, thereby has improved product quality, and then is convenient for can be better satisfy people's user demand.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram according to an embodiment of the present invention;

fig. 2 is a schematic view of a mounting plate back structure according to an embodiment of the present invention.

In the figure:

1. mounting a plate; 2. a frame bar; 3. a first connecting shaft; 4. a crank; 5. a connecting rod; 6. a second connecting shaft; 7. A rocker; 8. a third connecting shaft; 9. a connecting shaft IV; 10. rotating the disc; 11. an arc-shaped tooth socket I; 12. an arc-shaped tooth groove II; 13. a motor; 14. a gear; 15. positioning a first sliding block; 16. a first positioning chute; 17. a second positioning slide block; 18. a second positioning chute; 19. positioning a third sliding block; 20. a third positioning chute; 21. a fixing frame is provided.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

The invention will be further explained with reference to the drawings and the specific embodiments.

Embodiment one, as shown in fig. 1-2, an automatic control device for a crank rocker according to an embodiment of the present invention includes a mounting plate 1, a rack bar 2 is installed at a bottom end of one side of the mounting plate 1, a connecting shaft one 3 is installed at one end of the rack bar 2, a crank 4 is installed on the connecting shaft one 3, a connecting rod 5 is installed at a top of the crank 4, a connecting shaft two 6 is installed between the connecting rod 5 and the crank 4, a rocker 7 is installed at an end of the connecting rod 5 away from the crank 4, a connecting shaft three 8 is installed between the rocker 7 and the connecting rod 5, an end of the rocker 7 away from the connecting rod 5 is connected with an end of the rack bar 2 away from the crank 4, a connecting shaft four 9 is installed between the rack bar 2 and the rocker 7, a rotating disc 10 is installed at a side of the mounting plate 1 away from the rack bar 2, the crank rocker mechanism is characterized in that an arc-shaped tooth groove I11 and an arc-shaped tooth groove II 12 are formed in the rotating disc 10, the number of teeth of the arc-shaped tooth groove I11 is half of that of the arc-shaped tooth groove II 12, a motor 13 is installed on one side edge, away from the rack rod 2, of the mounting plate 1, a gear 14 matched with the arc-shaped tooth groove I11 is installed at one end of the motor 13, the gear 14 is meshed with the rotating disc 10 and is connected with the rotating disc 10, and through interaction of the motor 13, the gear 14 and the rotating disc 10, the arc-shaped tooth groove I11 and the arc-shaped tooth groove II 12, swinging of the rocker 7 can achieve the effect of uniform speed, so that the crank rocker mechanism can achieve better stability, and further use requirements of people can be better met.

In the second embodiment, as shown in fig. 1, a first positioning sliding block 15 is installed on one side edge of the second connecting shaft 6, which is close to the mounting plate, a first positioning sliding groove 16 matched with the first positioning sliding block 15 is formed in the mounting plate 1, and the first positioning sliding groove 16 is of a circular groove structure; the crank 4 can be moved more stably, so that the use requirements of people can be better met.

In a third embodiment, as shown in fig. 1, a second positioning sliding block 17 is installed on one side of the third connecting shaft 8 close to the mounting plate 1, a second positioning sliding groove 18 matched with the second positioning sliding block 17 is formed in the mounting plate 1, and the second positioning sliding groove 18 is of an arc-shaped structure; can make rocker 7 more stable remove to be convenient for can be better satisfy people's user demand.

In a fourth embodiment, as shown in fig. 2, a third positioning slider 19 is mounted on each of two side edges of the rotating disc 10, and a third positioning chute 20 adapted to the third positioning slider 19 is annularly arranged at a position on the mounting plate 1 corresponding to the third positioning slider 19; the rotating disk 10 can achieve better stability, so that the use requirements of people can be better met.

In a fifth embodiment, as shown in fig. 2, a fixing frame 21 is installed at one side of the motor 13 close to the mounting plate 1, and one side of the fixing frame 21 far away from the motor 13 is fixedly connected to the mounting plate 1; the motor 13 can be made to achieve better stability, so that the use requirements of people can be better met.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the motor 13, the gear 14 and the rotating disc 10 are matched with the interaction of the arc-shaped tooth groove I11 and the arc-shaped tooth groove II 12, so that the swinging of the rocker 7 can reach a uniform-speed effect, the condition that the swinging angular speed of the rocker swinging arm is not uniform due to the quick return characteristic of the crank-rocker mechanism is avoided in the using process of the crank-rocker mechanism, the stability of the structure is ensured, the product quality is improved, and the use requirements of people can be better met.

Through the above detailed description, the person skilled in the art can easily realize the present invention. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.

Claims

1. The automatic control device for the crank rocker is characterized by comprising a mounting plate (1), a frame rod (2) is mounted at the bottom end of one side of the mounting plate (1), a first connecting shaft (3) is mounted at one end of the frame rod (2), a crank (4) is mounted on the first connecting shaft (3), a connecting rod (5) is mounted at the top of the crank (4), a second connecting shaft (6) is mounted between the connecting rod (5) and the crank (4), a rocker (7) is mounted at one end, far away from the crank (4), of the connecting rod (5), a third connecting shaft (8) is mounted between the rocker (7) and the connecting rod (5), one end, far away from the connecting rod (5), of the frame rod (5) is connected with one end, far away from the crank (4), of the frame rod (2) is connected with one end, far away from the crank (4), a fourth connecting shaft (9) is mounted between the frame rod (2) and the rocker (7), keep away from mounting panel (1) rolling disc (10) is installed to a side of hack lever (2), arc tooth's socket (11) and arc tooth's socket two (12) have been seted up on rolling disc (10), just the number of teeth of arc tooth's socket (11) does half of arc tooth's socket two (12) the number of teeth, mounting panel (1) is kept away from motor (13) are installed to a side of hack lever (2), the one end of motor (13) install with gear (14) of arc tooth's socket (11) looks adaptation, just gear (14) with rolling disc (10) meshing is connected.

2. The automatic control device for the crank rocker according to claim 1, characterized in that a first positioning slider (15) is mounted on one side of the second connecting shaft (6) close to the mounting plate.

3. The automatic control device for the crank rocker according to claim 2, characterized in that the mounting plate (1) is provided with a first positioning sliding groove (16) matched with the first positioning sliding block (15), and the first positioning sliding groove (16) is of a circular groove structure.

4. The automatic control device for the crank rocker according to claim 1, characterized in that a second positioning slide block (17) is mounted on one side of the third connecting shaft (8) close to the mounting plate (1).

5. The automatic control device for the crank rocker according to claim 4, wherein the mounting plate (1) is provided with a second positioning sliding groove (18) matched with the second positioning sliding block (17), and the second positioning sliding groove (18) is of an arc-shaped structure.

6. The automatic control device for the crank rocker according to claim 1, wherein a third positioning sliding block (19) is mounted on each of two side edges of the rotating disc (10), and a third positioning sliding groove (20) matched with the third positioning sliding block (19) is annularly arranged on the mounting plate (1) at a position corresponding to the third positioning sliding block (19).

7. The automatic control device for the crank rocker according to claim 1, characterized in that a fixed frame (21) is installed on one side of the motor (13) close to the mounting plate (1), and one side of the fixed frame (21) far away from the motor (13) is fixedly connected with the mounting plate (1).