CN217558931U - Single-power multi-connecting-rod rotary swing mechanism - Google Patents

Abstract

The utility model relates to a rotatory swing mechanism of many connecting rods of single power, include: the device comprises a rack, a plurality of brackets, a plurality of connecting arms, a plurality of adjusting blocks, a plurality of screw rod assemblies, chains for driving the screw rod assemblies to rotate, a driving assembly and a controller; the driving assembly is fixedly connected with the rack; the plurality of screw rod assemblies are fixedly connected with the rack; the chain is sleeved on the outer side of the output gear of the driving assembly and the outer sides of the plurality of screw rod assemblies; the plurality of adjusting blocks are in one-to-one corresponding threaded connection with the plurality of screw rod assemblies; the plurality of brackets are rotatably connected with the rack; one ends of the connecting arms are in one-to-one corresponding rotary connection with the adjusting blocks, and the other ends of the connecting arms are in one-to-one corresponding rotary connection with the brackets; the controller is electrically connected with the driving component; this application has the function advantage that it is greater than 90 to reduce power take off end moment of torsion and swing angle.

Description

Single-power multi-connecting-rod rotary swing mechanism

Technical Field

The utility model relates to an oscillating mechanism technical field, more specifically say, it relates to a rotatory oscillating mechanism of many connecting rods of single power.

Background

Most of the traditional rotary swing mechanisms adopt a rotary power direct connection or double-link mechanism to realize rotary motion within a certain angle, but the rotary power direct connection mode can cause the output end to output larger torque; the actual torque of the double-connecting-rod mechanism is smaller than the direct connection of the rotating power, the rotating angle cannot exceed 90 degrees, and the situation that the rotating angle needs to be larger than 90 degrees is limited.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a rotatory swing mechanism of many connecting rods of single power has the function advantage that reduces power take off end moment of torsion and swing angle and be greater than 90.

The above technical object of the present invention can be achieved by the following technical solutions:

a single-power multi-link rotary swing mechanism comprising: the device comprises a rack, a plurality of brackets, a plurality of connecting arms for driving the brackets to swing, a plurality of adjusting blocks for driving the connecting arms to move up and down, a plurality of screw rod assemblies for driving the adjusting blocks to move up and down, chains for driving the screw rod assemblies to rotate, a driving assembly for driving the chains to move, and a controller; the driving assembly is fixedly connected with the rack; the plurality of screw rod assemblies are fixedly connected with the rack; the chain is sleeved on the outer side of the output gear of the driving assembly and the outer sides of the plurality of screw rod assemblies; the plurality of adjusting blocks are in one-to-one corresponding threaded connection with the plurality of screw rod assemblies; the plurality of brackets are rotatably connected with the rack; one ends of the connecting arms are rotationally connected with the adjusting blocks in a one-to-one corresponding mode, and the other ends of the connecting arms are rotationally connected with the supports in a one-to-one corresponding mode; the controller is electrically connected with the driving assembly.

Optionally, the screw assembly includes: the screw rod, the first bearing and the second bearing; the inner ring of the first bearing is sleeved with one end of the screw rod; the inner ring of the second bearing is sleeved with the other end of the screw rod; the frame is respectively sleeved with the outer ring of the first bearing and the outer ring of the second bearing; the adjusting block is in threaded connection with the screw rod; the chain is sleeved on the screw rod.

Optionally, a driving gear is arranged on the screw rod; the chain is sleeved on the outer side of the driving gear.

Optionally, an upper stopper and a lower stopper are arranged on the rack; the lower limiter is positioned on one side of the first bearing; the upper limiter is positioned at one side of the second bearing; the controller is respectively electrically connected with the upper limiting stopper and the lower limiting stopper.

Optionally, the method further includes: a plurality of steering gears; the steering gears are rotationally connected with the rack; the chains are respectively sleeved on the outer sides of the steering gears.

Optionally, the driving assembly includes: a motor and a speed reducer; an output shaft of the motor is fixedly connected with an input shaft of the speed reducer; the chain is sleeved on the outer side of an output gear of the speed reducer; the controller is electrically connected with the motor.

To sum up, the utility model discloses following beneficial effect has: compared with power direct connection, the connecting rod mechanism can reduce the torque of the power output end in a multiplied way; compared with a double-connecting-rod mechanism, the swing angle can be larger than 90 degrees; the adjusting block is skillfully moved up and down by the lead screw, a plurality of assemblies are connected in series by the chain, and all the assemblies can move by only using one power.

Drawings

Fig. 1 is a broken view of the present invention;

fig. 2 is a schematic structural diagram of the bracket, the connecting arm, the adjusting block and the screw rod assembly in the present invention;

fig. 3 is a schematic structural diagram of the present invention.

In the figure: 1. a frame; 11. an upper limiter; 12. a lower limiter; 2. a support; 3. a connecting arm; 4. a regulating block; 5. a screw assembly; 51. a first bearing; 52. a second bearing; 53. a screw rod; 531. a drive gear; 6. a chain; 7. a drive assembly; 71. a motor; 72. a speed reducer; 8. a steering gear.

Detailed Description

In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced device or element must be in a particular orientation, constructed and operated, and therefore should not be construed as limiting the present invention.

The present invention will be described in detail with reference to the accompanying drawings and examples.

The utility model provides a rotatory swing mechanism of many connecting rods of single power, as shown in fig. 1-3, include: the device comprises a rack 1, a plurality of brackets 2, a plurality of connecting arms 3 for driving the plurality of brackets 2 to swing, a plurality of adjusting blocks 4 for driving the plurality of connecting arms 3 to move up and down, a plurality of screw rod assemblies 5 for driving the plurality of adjusting blocks 4 to move up and down, chains 6 for driving the plurality of screw rod assemblies 5 to rotate, a driving assembly 7 for driving the chains 6 to move, and a controller; the driving assembly 7 is fixedly connected with the rack 1; the plurality of screw rod assemblies 5 are fixedly connected with the rack 1; the chain 6 is sleeved on the outer side of the output gear of the driving assembly 7 and the outer sides of the plurality of screw rod assemblies 5; the plurality of adjusting blocks 4 are in one-to-one corresponding threaded connection with the plurality of screw rod assemblies 5; the plurality of brackets 2 are rotatably connected with the rack 1; one ends of the connecting arms 3 are respectively and correspondingly rotationally connected with the adjusting blocks 4, and the other ends of the connecting arms are respectively and correspondingly rotationally connected with the brackets 2; the controller is electrically connected to the drive assembly 7.

In this embodiment, the controller is installed in a separate area, which is not shown in the drawings; the frame 1 is circular, and the driving component 7 is arranged at the bottom of the frame 1 through screws; a plurality of screw rod assemblies 5 are arranged between the top and the bottom of the frame 1 at intervals; the adjusting block 4 is provided with threads, and the screw rod assembly 5 is provided with threads matched with the adjusting block 4; the controller sends a clockwise rotation signal to the driving assembly 7, the driving assembly 7 starts to rotate, and the plurality of screw rod assemblies 5 also rotate along with the driving of the chain 6; because the screw rod assembly 5 is fixed on the frame 1, up-and-down displacement cannot be generated, and the adjusting block 4 moves downwards along the screw rod assembly 5 under the action of thread transmission; the connecting arm 3 moves downwards along with the adjusting block 4; under the action of the lever, one end of the bracket 2, which is in contact with the connecting arm 3, moves downwards, and the other end moves upwards, so that the bracket 2 swings anticlockwise; when the controller sends a counterclockwise rotation signal to the driving assembly 7, the adjusting block 4 moves upwards, and the bracket 2 swings clockwise. The direction of the swing of all the brackets 2 is synchronized by the chain 6.

Further, the screw assembly 5 includes: a screw 53, a first bearing 51, and a second bearing 52; the inner ring of the first bearing 51 is sleeved with one end of the screw rod 53; the inner ring of the second bearing 52 is sleeved with the other end of the screw rod 53; the frame 1 is respectively sleeved with the outer ring of the first bearing 51 and the outer ring of the second bearing 52; the adjusting block 4 is in threaded connection with the screw rod 53; the chain 6 is sleeved on the screw rod 53.

Further, a driving gear 531 is arranged on the screw 53; the chain 6 is sleeved on the outer side of the driving gear 531.

As shown in fig. 1-2, the chain 6 is sleeved outside the driving gear 531, the chain 6 drives the driving gear 531 to rotate, the driving gear 531 drives the screw 53 to rotate, and the screw 53 drives the adjusting block 4 to move up and down; the screw 53 drives the inner ring of the first bearing 51 and the inner ring of the second bearing 52 to rotate; the outer ring of the first bearing 51 and the outer ring of the second bearing 52 are both fixed to the frame 2.

Further, an upper stopper 11 and a lower stopper 12 are arranged on the frame 1; the lower stopper 12 is located at one side of the first bearing 51; the upper stopper 11 is located at one side of the second bearing 52; the controller is electrically connected to the upper stopper 11 and the lower stopper 12, respectively.

As shown in fig. 1-2, when the upper end of the adjusting block 4 abuts against the upper stopper 11, the controller receives an electric signal and reverses the rotation direction of the driving assembly 7, so that the adjusting block 4 moves downward; when the lower end of the adjusting block 4 is abutted to the lower limiter 12, the controller receives an electric signal and overturns the rotating direction of the driving assembly 7, so that the adjusting block 4 moves upwards; the upper limiter 11 and the lower limiter 12 are fixed on the frame 2 through screws, and the fixed positions are different, and the maximum swing angle of the bracket 2 is also different.

Further, still include: a plurality of steering gears 8; the steering gears 8 are rotationally connected with the rack 1; the chains 6 are respectively sleeved on the outer sides of the steering gears 8.

Further, the driving assembly 7 includes: a motor 71 and a speed reducer 72; an output shaft of the motor 71 is fixedly connected with an input shaft of the speed reducer 72; the chain 6 is sleeved on the outer side of an output gear of the speed reducer 72; the controller is electrically connected to the motor 71.

As shown in fig. 1-2, the steering gears 8 can adjust the local direction of the chain 6, and the number of teeth of the driving gear 531 acting on the chain 6 can be increased, so that the torque borne by the driving gear 531 is reduced, and the service life is verified; the speed reducer 72 can increase the output torque, i.e., the torque acting on the chain 6, thereby increasing the number of swingable brackets 2.

In conclusion, compared with the power direct connection, the connecting rod mechanism can reduce the torque of the power output end by times; compared with a double-connecting-rod mechanism, the swing angle can be larger than 90 degrees; the adjusting block is skillfully moved up and down by the lead screw, a plurality of assemblies are connected in series by the chain, and all the assemblies can move by only using one power.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A single-power multi-link rotary swing mechanism, comprising: the device comprises a rack, a plurality of brackets, a plurality of connecting arms for driving the brackets to swing, a plurality of adjusting blocks for driving the connecting arms to move up and down, a plurality of screw rod assemblies for driving the adjusting blocks to move up and down, chains for driving the screw rod assemblies to rotate, a driving assembly for driving the chains to move, and a controller; the driving assembly is fixedly connected with the rack; the plurality of screw rod assemblies are fixedly connected with the rack; the chain is sleeved on the outer side of the output gear of the driving assembly and the outer sides of the plurality of screw rod assemblies; the plurality of adjusting blocks are in one-to-one corresponding threaded connection with the plurality of screw rod assemblies; the plurality of brackets are rotatably connected with the rack; one ends of the connecting arms are rotationally connected with the adjusting blocks in a one-to-one corresponding mode, and the other ends of the connecting arms are rotationally connected with the supports in a one-to-one corresponding mode; the controller is electrically connected with the driving assembly.

2. A single power multi-link rotary swing mechanism according to claim 1, wherein said lead screw assembly comprises: the screw rod, the first bearing and the second bearing; the inner ring of the first bearing is sleeved with one end of the screw rod; the inner ring of the second bearing is sleeved with the other end of the screw rod; the frame is respectively sleeved with the outer ring of the first bearing and the outer ring of the second bearing; the adjusting block is in threaded connection with the screw rod; the chain is sleeved on the screw rod.

3. The single-power multi-link rotary swing mechanism according to claim 2, wherein a driving gear is provided on the screw rod; the chain is sleeved on the outer side of the driving gear.

4. The single-power multi-link rotary swing mechanism according to claim 2, wherein an upper stopper and a lower stopper are provided on the frame; the lower limiting stopper is positioned at one side of the first bearing; the upper limiter is positioned on one side of the second bearing; the controller is respectively electrically connected with the upper limiting stopper and the lower limiting stopper.

5. The single power multi-link rotary swing mechanism of claim 1, further comprising: a plurality of steering gears; the steering gears are rotationally connected with the rack; the chains are respectively sleeved on the outer sides of the steering gears.

6. A single power multi-link rotary swing mechanism according to claim 1, wherein the drive assembly comprises: a motor and a speed reducer; an output shaft of the motor is fixedly connected with an input shaft of the speed reducer; the chain is sleeved on the outer side of an output gear of the speed reducer; the controller is electrically connected with the motor.

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