CN214305154U

CN214305154U - Compact and lightweight interface structure of reaction force arm of torque amplifier

Info

Publication number: CN214305154U
Application number: CN202120561572.2U
Authority: CN
Inventors: 单震
Original assignee: Changzhou Yisuo Automation Machinery Co ltd
Current assignee: Changzhou Yisuo Automation Machinery Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-09-28
Anticipated expiration: 2031-03-19

Abstract

The utility model discloses a compact lightweight interface structure of the reaction force arm of a torque amplifier, which comprises the reaction force arm, the side wall of the reaction force arm is jointed with a torque amplifier shell, a groove body is arranged in the reaction force arm, the compact lightweight interface structure of the reaction force arm of the torque amplifier utilizes a novel quasi-rectangular spline connection interface structure to effectively reduce the size and the weight of the equipment through the mutual cooperation of parts such as a clamping rod, a rotating block, a first pin shaft and the like, simultaneously the fit clearance of the interface is relatively reduced, the bearing capacity is improved, the shaking noise condition under the high torque working condition is improved, the purpose of compact and lightweight product structure is realized, the problem that the reaction force arm of the existing torque amplifier is generally connected with the torque amplifier shell by adopting an outer hexagonal structure is solved, and the design is simpler in structure, the assembly and disassembly are convenient, but the structure size is relatively large, and the integral weight of the product is increased.

Description

Compact and lightweight interface structure of reaction force arm of torque amplifier

Technical Field

The utility model relates to a torque amplifier technical field specifically is a compact lightweight interface structure of torque amplifier reaction arm of force.

Background

The torque amplifier drives the gears to rotate and output force by combining a circle or a planetary gear in different combination stages, and the torque amplification factor of each stage gear is 5, and the ratio is 1:51:151:15.51:251:261:751:125 and the like. In a planetary gear system, torque is input and output via a sun gear. Three or four planetary gears are combined with the central gear to drive the rotation. The peripheral gear within the multiplier housing engages the surrounding inner planetary gear but rotates in the opposite direction relative to the inner planetary gear, and the reaction arm prevents rotation of the housing integral with the peripheral gear, thereby achieving a torque effect.

However, the reaction force arm of the existing torque amplifier is generally connected with the shell of the torque amplifier by adopting an outer hexagonal structure, the design is simpler in structure and convenient to assemble and disassemble, but the structural size is larger, the whole weight of a product is increased, the fit clearance between the reaction force arm and the shell interface is larger, certain shaking and impact can be generated under the high-torque working condition, noise is generated, the interface strength is influenced, and when the torque amplifier is used, the position of stabilizing the torque amplifier can not be flexibly adjusted according to different surrounding environment limits. In order to solve the problems, innovative design is urgently needed on the basis of the compact and light interface structure of the reaction force arm of the original torque amplifier.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compact lightweight interface structure of torque amplifier reaction arm of force, torque amplifier reaction arm of force that to solve above-mentioned background art and present is connected with the outer hexagonal structure of torque amplifier casing universal adoption, such design is simple from the structure, conveniently install and remove, but its structure size is great relatively, the whole weight of product has been increased, and reaction arm of force is great with casing interface fit-up gap, can produce certain rocking and assaulting under high moment of torsion operating mode, the noise generation, influence interface intensity, and when using this torque amplifier, the unable effectual problem of carrying out firm position to it is adjusted in a flexible way according to the different environmental restrictions on every side.

In order to achieve the above object, the utility model provides a following technical scheme: a compact and light interface structure of a reaction force arm of a torque amplifier comprises the reaction force arm, wherein a torque amplifier shell is attached to the side wall of the reaction force arm, a groove body is formed in the reaction force arm, a latch is arranged on the outer wall of the end part of the torque amplifier shell and is positioned in the groove body, a lantern ring is attached to the outer wall of the torque amplifier shell, a first sliding groove is formed in the lantern ring, a clamping rod is arranged in the first sliding groove, a rotating block is attached to the outer wall of the lantern ring, a first pin shaft is arranged at the end part of the rotating block in a penetrating mode, a first rotating plate is arranged on the outer wall of the first pin shaft, a stop lever is connected to the inner wall of the first rotating plate, a second sliding groove is formed in the stop lever, the end part of the clamping rod is positioned in the second sliding groove, a first spring is arranged in the second sliding groove, and the one end of first spring is connected with the kelly, the other end of first spring is provided with the fixture block, the outer wall winding of fixture block has the second spring, and the second spring is located between fixture block and the pin, the bottom of first commentaries on classics board is run through and is installed second round pin axle, the outer wall of second round pin axle is provided with the second commentaries on classics board, the internally mounted of second commentaries on classics board has third round pin axle, be provided with the third spring between the first commentaries on classics board.

Preferably, the bottom of the reaction force arm is of a U-shaped structure, and the outer wall of the reaction force arm is attached to the outer wall of the torque amplifier shell.

Preferably, the latch is evenly distributed on the outer wall of the end part of the shell of the torque amplifier, and the latch is connected with the reaction force arm in a clamping manner through the groove body.

Preferably, the clamping rod and the lantern ring form a clamping type sliding structure through the first sliding groove, and the first sliding groove is symmetrically provided with two parts in the lantern ring.

Preferably, the rotating block is of an I-shaped structure, the outer wall of the rotating block is attached to the outer wall of the lantern ring, and the first rotating plate is connected with the rotating block in a rotating mode through the first pin shaft.

Preferably, the outer wall of the fixture block is attached to the inner wall of the first rotating plate, the fixture block and the stop lever form a clamping type sliding structure through the second sliding groove, and the two fixture blocks are symmetrically arranged around the central axis of the lantern ring.

Compared with the prior art, the beneficial effects of the utility model are that: the compact lightweight interface structure of the reaction force arm of the torque amplifier utilizes the novel rectangular spline connection interface structure to effectively reduce the size and the weight of the equipment through the mutual matching action of parts such as the clamping rod, the rotating block, the first pin shaft and the like, simultaneously the fit clearance of the interface is relatively reduced, the bearing capacity is improved, the shaking noise condition under the high-torque working condition is improved, the purpose of compact and lightweight product structure is realized, and the problem that the reaction force arm of the existing torque amplifier is connected with the shell of the torque amplifier by generally adopting an outer hexagonal structure is solved, the design is simpler in structure and convenient to assemble and disassemble, but the structural size is relatively larger, the integral weight of the product is increased, the fit clearance between the reaction force arm and the shell interface is larger, certain shaking and impact can be generated under the high-torque working condition, the noise is generated, and the interface strength is influenced, through the mutual matching effect of the groove body, the latch, the lantern ring and other parts, the effect of flexibly adjusting the position of the hand grip along with different surrounding environments is achieved, and the problem that when the torque amplifier is used, the stable direction of the hand grip cannot be flexibly adjusted according to different surrounding environment limitations is solved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic structural diagram of the torque amplifier housing of the present invention;

FIG. 3 is a schematic side view of the first rotating plate of the present invention;

FIG. 4 is a schematic view of a side view mounting structure of the fixture block of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 4 according to the present invention.

In the figure: 1. a reaction force arm; 2. a torque amplifier housing; 3. a trough body; 4. clamping teeth; 5. a collar; 6. a first chute; 7. a clamping rod; 8. rotating the block; 9. a first pin shaft; 10. a first rotating plate; 11. a stop lever; 12. a second chute; 13. a first spring; 14. a clamping block; 15. a second spring; 16. a second pin shaft; 17. a second rotating plate; 18. a third pin shaft; 19. and a third spring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a compact and light interface structure of a reaction force arm of a torque amplifier comprises the reaction force arm 1, a torque amplifier shell 2 is attached to the side wall of the reaction force arm 1, a groove body 3 is arranged inside the reaction force arm 1, a latch 4 is arranged on the outer wall of the end part of the torque amplifier shell 2, the latch 4 is positioned inside the groove body 3, a lantern ring 5 is attached to the outer wall of the torque amplifier shell 2, a first chute 6 is arranged inside the lantern ring 5, a clamping rod 7 is arranged inside the first chute 6, a rotating block 8 is attached to the outer wall of the lantern ring 5, a first pin shaft 9 is installed at the end part of the rotating block 8 in a penetrating manner, a first rotating plate 10 is arranged on the outer wall of the first pin shaft 9, a stop lever 11 is connected to the inner wall of the first rotating plate 10, a second chute 12 is arranged inside the stop lever 11, the end part of the clamping rod 7 is positioned inside the second chute 12, a first spring 13 is arranged inside the second chute 12, one end of the first spring 13 is connected with the clamping rod 7, the other end of the first spring 13 is provided with a clamping block 14, a second spring 15 is wound on the outer wall of the clamping block 14, the second spring 15 is located between the clamping block 14 and the stop rod 11, a second pin shaft 16 is installed at the bottom end of the first rotating plate 10 in a penetrating mode, a second rotating plate 17 is arranged on the outer wall of the second pin shaft 16, a third pin shaft 18 is installed inside the second rotating plate 17, and a third spring 19 is arranged between the first rotating plates 10.

The bottom of the reaction force arm 1 is of a U-shaped structure, the outer wall of the reaction force arm 1 is attached to the outer wall of the torque amplifier shell 2, the rotation of the outer wall of the reaction force arm 1, which can be attached to the torque amplifier shell 2, is guaranteed, and the reaction force arm 1 can support the torque amplifier shell 2 well.

Latch 4 evenly distributed on the outer wall of 2 tip of torque amplifier casing, and latch 4 passes through cell body 3 and is connected for the block with the reaction arm of force 1, has guaranteed that torque amplifier casing 2 can block inside the reaction arm of force 1.

The kelly 7 constitutes the sliding structure of block through first spout 6 and lantern ring 5, and first spout 6 has seted up two at the inside symmetry of lantern ring 5, has guaranteed that kelly 7 can slide in the inside of lantern ring 5, can receive first spout 6 limiting displacement simultaneously, prevents to deviate.

The commentaries on classics piece 8 is "worker" type structure, and the outer wall of commentaries on classics piece 8 and the outer wall of the lantern ring 5 are laminated each other, and just first revolving plate 10 is connected for rotating through first round pin axle 9 and commentaries on classics piece 8, has guaranteed that commentaries on classics piece 8 can atress slide along the outer wall laminating of the lantern ring 5.

The outer wall of the fixture block 14 and the inner wall of the first rotating plate 10 are attached to each other, the fixture block 14 and the stop lever 11 form a clamping type sliding structure through the second sliding groove 12, and two fixture blocks 14 are symmetrically arranged about the central axis of the lantern ring 5, so that the fixture block 14 can slide in the stop lever 11, and can be limited by the second sliding groove 12, and the fixture block 14 can move according to a specified track.

The working principle is as follows: when the compact and lightweight interface structure of the reaction force arm of the torque amplifier is used, firstly, according to the normal working state of the torque amplifier, taking fig. 1 as an example, a sleeve is sleeved at the end part of a torque amplifier shell 2, and the sleeve is matched with a nut which needs to be tightened or loosened and sleeved together, assuming that an obstacle is arranged right below the torque amplifier and a hand is inconvenient to hold the outer wall of the torque amplifier shell 2 for fixing and supporting, at the moment, the bottom ends of two first rotating plates 10 are held and rotated clockwise or anticlockwise along the outer wall of a sleeve ring 5, so that the hand and the first rotating plates 10 avoid the obstacle below, then the bottom ends of the two first rotating plates 10 are held tightly, so that the bottom ends of the two first rotating plates 10 are close to each other and compress a third spring 19, and simultaneously, the two second rotating plates 17 are moved close to each other, taking the first rotating plate 10 on the left side as an example for movement description, at this moment, the first rotating plate 10 rotates anticlockwise by taking the first pin shaft 9 as an axis, the inner wall of the first rotating plate 10 pushes the clamping block 14 to slide rightwards in the stop lever 11 along the second sliding groove 12, meanwhile, the second spring 15 is compressed to push the right end of the stop lever 11 to be gradually attached to the outer wall of the torque amplifier shell 2, the first spring 13 is compressed to push the clamping lever 7 to be attached to the inner wall of the lantern ring 5, the motion trail and the left symmetry of the right-side clamping block 14 are the same, so under the action of the clamping block 14 and the stop lever 11, the two first rotating plates 10 gradually move close to each other, the first rotating plates 10 and the lantern ring 5 can not rotate relatively any more, the rotation and the fixation of the first rotating plates 10 are completed, and finally, the torque amplifier can be started to operate by opening a motor.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a compact lightweight interface structure of torque amplifier reaction arm of force, includes reaction arm of force (1), its characterized in that: the side wall of the reaction force arm (1) is attached with a torque amplifier shell (2), a groove body (3) is formed in the reaction force arm (1), a latch (4) is arranged on the outer wall of the end portion of the torque amplifier shell (2), the latch (4) is located in the groove body (3), a lantern ring (5) is attached to the outer wall of the torque amplifier shell (2), a first sliding groove (6) is formed in the lantern ring (5), a clamping rod (7) is arranged in the first sliding groove (6), a rotating block (8) is attached to the outer wall of the lantern ring (5), a first pin shaft (9) is installed at the end portion of the rotating block (8) in a penetrating mode, a first rotating plate (10) is arranged on the outer wall of the first pin shaft (9), a stop lever (11) is connected to the inner wall of the first rotating plate (10), a second sliding groove (12) is formed in the stop lever (11), and the tip of kelly (7) is located the inside of second spout (12), the inside of second spout (12) is provided with first spring (13), and the one end of first spring (13) is connected with kelly (7), the other end of first spring (13) is provided with fixture block (14), the outer wall winding of fixture block (14) has second spring (15), and second spring (15) are located between fixture block (14) and pin (11), the bottom of first commentaries on classics board (10) is run through and is installed second round pin axle (16), the outer wall of second round pin axle (16) is provided with second commentaries on classics board (17), the internally mounted of second commentaries on classics board (17) has third round pin axle (18), be provided with third spring (19) between first commentaries on classics board (10).

2. The compact, lightweight interface structure for a torque amplifier reaction arm of claim 1, wherein: the bottom of the reaction force arm (1) is of a U-shaped structure, and the outer wall of the reaction force arm (1) is attached to the outer wall of the torque amplifier shell (2).

3. The compact, lightweight interface structure for a torque amplifier reaction arm of claim 1, wherein: the latch (4) is evenly distributed on the outer wall of the end part of the torque amplifier shell (2), and the latch (4) is connected with the reaction force arm (1) through the groove body (3) in a clamping manner.

4. The compact, lightweight interface structure for a torque amplifier reaction arm of claim 1, wherein: the clamping rod (7) and the lantern ring (5) form a clamping type sliding structure through the first sliding groove (6), and the first sliding groove (6) is symmetrically formed in the lantern ring (5) in two numbers.

5. The compact, lightweight interface structure for a torque amplifier reaction arm of claim 1, wherein: change piece (8) and be "worker" type structure, the outer wall of changeing piece (8) and the outer wall of lantern ring (5) are laminated each other, and just first commentaries on classics board (10) are connected for rotating through first round pin axle (9) and commentaries on classics piece (8).

6. The compact, lightweight interface structure for a torque amplifier reaction arm of claim 1, wherein: the outer wall of the clamping block (14) is attached to the inner wall of the first rotating plate (10), the clamping block (14) and the stop rod (11) form a clamping type sliding structure through the second sliding groove (12), and the two clamping blocks (14) are symmetrically arranged around the central axis of the lantern ring (5).