Forward and lateral folding assisting arm

Abstract

The utility model relates to a front side folding power-assisted arm which comprises a lower seat and an upper seat, a connecting seat is fixedly installed on the upper seat, a power-assisted seat is arranged between the lower seat and the connecting seat in an up-down sliding mode, two supporting rods are symmetrically installed on the two sides of the connecting seat, two safety rings are installed on the two sides of the power-assisted seat, and a balance crane is installed on each supporting rod. The output end of the balance crane is fixedly connected with the safety ring. A balance crane is arranged; when external downward pressure acts on the power-assisted seat, the two balance cranes can enable the power-assisted seat to stay at any position of the lower optical axis, that is, when no external downward pressure acts on the power-assisted seat, the two balance cranes can enable the power-assisted seat to stay at any position of the lower optical axis; in the using process, an operator can drive the power-assisted seat to slide up and down without adopting too large pulling force.

Description

TECHNICAL FIELD

[0001] The utility model relates to a power assisting arm technical field especially a kind of positive side folding power assisting arm. BACKGROUND

[0002] The existing folding power assisting arm is generally composed of front power assisting arm and rear power assisting arm, and the front and rear power assisting arms are generally made of steel material, and the metal parts are connected together by welding.The power assisting arm body of this structure is large, the power arm is heavy, the gap between connecting parts is large, the precision is not high, the use is not flexible, the efficiency is not high in production process, and it is not labor-saving.

[0003] The load gravity is balanced by gas spring or spring balancer, and in use, the service life is short, the load cannot be adjusted, it is not flexible, the operator is more laborious when operating up and down, the power assisting arm does not have sensor, position detection cannot be realized, and the wrong screwing and missing screwing phenomenon can be caused in use. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of positive side folding power assisting arm to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model adopts the technical scheme of a kind of positive side folding power assisting arm, which comprises lower seat and upper seat, the connecting seat is fixedly installed on the upper seat, the power assisting seat is slidably arranged between the lower seat and the connecting seat, two support rods are symmetrically installed on the two sides of the connecting seat, two safety rings are installed on the two sides of the power assisting seat, a balance sling is installed on each support rod, and the output end of the balance sling is fixedly connected with the safety ring.

[0006] Compared with the prior art, the setting of the balance sling can make the power assisting seat stay at any position of the lower optical axis, that is, when there is no external downward pressure on the power assisting seat, the two balance slings can make the power assisting seat stay at any position of the lower optical axis, and the operator does not need to use excessive pulling force to drive the power assisting seat to slide up and down during use.

[0007] In the technical scheme of the utility model, the upper optical axis is fixedly installed on the connecting seat, the lower optical axis is fixedly installed on the lower seat, and the upper optical axis and the lower optical axis are arranged in parallel; the end of the upper optical axis is fixedly installed with a connecting plate, the end of the connecting plate is rotatably installed on the lower optical axis and adjacent to the lower seat; and the top of the lower optical axis is rotatably connected with the connecting seat.

[0008] In the technical scheme of the utility model, the power assisting seat is slidably installed on the lower optical axis, and the power assisting seat is fixedly installed with an anti-rotation seat on one side, and the anti-rotation seat is slidably connected with the upper optical axis.

[0009] In the technical scheme of the utility model, a limiting rod is arranged between the two balance slings.

[0010] The utility model discloses a technical scheme, one side of connecting seat is equipped with linear encoder for obtaining the moving distance of power seat along lower light axis.

[0011] The utility model discloses a technical scheme, and the lower light axis is fixedly installed with the limiting ring, and the limiting ring is located between power seat and connecting seat.

[0012] The utility model discloses a technical scheme, and the power seat is horizontally installed with the connecting plate, and the end of connecting plate is installed with the joint bearing, and the joint bearing is installed with the power lever, and the end of power lever is rotatably installed with the mounting seat for clamping tool.

[0013] The utility model discloses a technical scheme, and the joint bearing outer surface of installing on the connecting plate is installed with the limiting plate, and the end of limiting plate extends to the connecting plate.

[0014] The utility model discloses a technical scheme, and the mounting seat includes the upper fixed block of installing in the power lever end, and the pivot is rotatably installed in the upper fixed block, and the lower fixed block is fixedly installed in the end of pivot, and the clamping hole for clamping tool is arranged on the lower fixed block.

[0015] In addition to the technical problems solved by the application described above, the technical features constituting the technical scheme, and the advantages brought by these technical features, other technical problems solved by the application, other technical features included in the technical scheme, and the advantages brought by these technical features will be further described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the assembly perspective drawing of the utility model.

[0017] Explanation of reference numerals: 01. lower seat, 02. upper seat, 03. connecting seat, 04. upper light axis, 05. lower light axis, 06. connecting plate, 07. power seat, 08. anti-rotation seat, 09. support rod, 10. safety ring, 11. balance hanger, 12. limiting rod, 13. linear encoder, 14. limiting ring, 15. joint bearing, 16. power lever, 17. angle encoder, 18. limiting plate, 19. upper fixed block, 20. pivot, 21. lower fixed block, 22. clamping hole. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be described clearly and completely with reference to the accompanying drawings in the embodiments of the utility model.

[0019] Please refer to Figure 1As shown, the utility model discloses a positive side folding power assisting arm, which comprises a lower seat 01 and an upper seat 02 fixedly installed on a workbench in parallel, a connecting seat 03 fixedly installed on the upper seat 02, an upper light shaft 04 fixedly installed on the connecting seat 03, a lower light shaft 05 fixedly installed on the lower seat 01, and the upper light shaft 04 and the lower light shaft 05 are arranged in parallel. The end of the upper light shaft 04 is fixedly installed with a connecting plate 06, and the end of the connecting plate 06 is rotatably installed on the lower light shaft 05 through a bearing and is adjacent to the lower seat 01. The top of the lower light shaft 05 is rotatably connected with the connecting seat 03 through a bearing.

[0020] A power assisting seat 07 is slidably installed on the lower light shaft 05 through a linear bearing, and a rotation preventing seat 08 is fixedly installed on one side of the power assisting seat 07 through a fastener and is slidably connected with the upper light shaft 04 through a linear bearing. The upper light shaft 04 and the lower light shaft 05 are arranged in parallel, and the power assisting seat 07 and the rotation preventing seat 08 are combined into a whole through a fastener, then the power assisting seat 07 is slidably installed on the lower light shaft 05, and the rotation preventing seat 08 is slidably installed on the upper light shaft 04, when the power assisting seat 07 moves up and down along the lower light shaft 05, the power assisting seat 07 is prevented from rotating on the lower light shaft 05 through the cooperation of the rotation preventing seat 08 and the upper light shaft 04.

[0021] Two supporting rods 09 are symmetrically installed on the two sides of the connecting seat 03, two safety rings 10 are installed on the two sides of the power assisting seat 07, and a balance lifting device 11 is installed on each supporting rod 09, and the output end of the balance lifting device 11 is fixedly connected with the safety ring 10. Through the arrangement of the balance lifting device 11, the power assisting seat 07 can stay at any position of the lower light shaft 05, that is, when there is no external downward pressure on the power assisting seat 07, the two balance lifting devices 11 can make the power assisting seat 07 stay at any position of the lower light shaft 05.

[0022] In order to avoid the shaking of the two balance lifting devices 11 during use, a limiting rod 12 is arranged between the two balance lifting devices 11, so that the distance between the two balance lifting devices 11 will not change in normal state or working state, thereby ensuring that the tension generated by the two balance lifting devices 11 is always in parallel state.

[0023] A linear encoder 13 for obtaining the moving distance of the power assisting seat 07 along the lower light shaft 05 is installed on one side of the connecting seat 03. During use, the moving distance of the power assisting seat 07 is obtained through the linear encoder 13, thereby providing intuitive data prompt for the operator.

[0024] A limiting ring 14 is fixedly installed on the lower light shaft 05 and located between the power assisting seat 07 and the connecting seat 03. Through the arrangement of the limiting ring 14, the distance between the power assisting seat 07 and the lower seat 01 is determined, which is convenient for the operator to use and will not affect the working environment.

[0025] The power-assisted seat 07 is horizontally mounted with a connecting plate 06, the end of the connecting plate 06 is mounted with a joint bearing 15, the joint bearing 15 is mounted with a power-assisted rod 16, the end of the power-assisted rod 16 is rotatably mounted with a mounting seat for clamping tools through the joint bearing 15. One side of each joint bearing 15 is mounted with an angle encoder 17. The outer surface of the joint bearing 15 mounted on the connecting plate 06 is mounted with a limiting plate 18. The end of the limiting plate 18 extends to the connecting plate 06. Through the setting of the limiting plate 18, the angle rotation between the power-assisted rod 16 and the connecting plate 06 is limited.

[0026] The mounting seat comprises an upper fixed block 19 mounted at the end of the power-assisted rod 16, the inner of the upper fixed block 19 is rotatably mounted with a rotating shaft 20 through a bearing, the end of the rotating shaft 20 is fixedly mounted with a lower fixed block 21, the lower fixed block 21 is provided with a clamping hole 22 for clamping tools. Through the setting of the mounting seat, the position of the tool in the use process is adjusted by the operator.

[0027] It should be noted that, in order to describe clearly, the fastener in the application is any one of a screw, a bolt and a screw, and the same reference sign "15" is used for identifying the "joint bearing" of different positions and different types.

[0028] If the embodiment of the utility model has directionality indication (such as up, down, left, right, front, back), then the directionality indication is only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture (as shown in the drawing), if the specific posture changes, then the directionality indication also changes accordingly.

[0029] The above embodiment only describes the preferred embodiment of the utility model, and does not limit the scope of the utility model, and various deformations and improvements of the technical scheme of the utility model made by the ordinary engineering technical personnel in the art without departing from the design spirit of the utility model should fall within the protection scope determined by the claims of the utility model.

Claims

1. A positive side fold assist arm, characterized by, The utility model provides a kind of lifting device, including lower seat and upper seat, and the upper seat is fixedly installed with connecting seat, and the lower seat and connecting seat are slidably arranged with power seat between upper and lower, two support rods are symmetrically installed on the both sides of connecting seat, two safety rings are installed on the both sides of power seat, and the output end of each support rod is fixedly connected with safety ring.

2. The positive side fold assist arm of claim 1, wherein: The upper seat is fixedly installed with upper light axle, and the lower seat is fixedly installed with lower light axle, and the upper light axle and the lower light axle are parallelly arranged;The end of upper light axle is fixedly installed with connecting plate, and the end of connecting plate is rotatably installed on lower light axle and adjacent to lower seat;The top of lower light axle is rotatably connected with connecting seat.

3. The positive side fold assist arm of claim 2, wherein: The power seat is slidably installed on lower light axle, and the one side of power seat is fixedly installed with anti-rotation seat, and the anti-rotation seat is slidably connected with upper light axle.

4. The positive side fold assist arm of claim 3, wherein: Limiting rod is arranged between two balance hangers.

5. The positive side fold assist arm of claim 4, wherein: Linear encoder is installed on the side of connecting seat for obtaining the moving distance of power seat along lower light axle.

6. The positive side fold assist arm of claim 5, wherein: The limiting ring is fixedly installed on lower light axle, and the limiting ring is located between power seat and connecting seat.

7. The positive side fold assist arm of claim 1, wherein: The connecting plate is horizontally installed on power seat, the end of connecting plate is installed with joint bearing, the joint bearing is installed with power lever, and the end of power lever is rotatably installed with mounting seat for clamping tool;The side of each joint bearing is installed with angle encoder.

8. The positive side fold assist arm of claim 7, wherein: The limiting plate is installed on the outer surface of joint bearing installed on connecting plate;The end of limiting plate extends to connecting plate.

9. The positive side fold assist arm of claim 7, wherein: The mounting seat includes upper fixed block installed on the end of power lever, the rotating shaft is rotatably installed in upper fixed block, the end of rotating shaft is fixedly installed with lower fixed block, and the clamping hole for clamping tool is arranged on lower fixed block.

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