CN220069261U - 5D handrail - Google Patents

Abstract

The utility model discloses a 5D handrail, which comprises a handrail plate, a vertical pipe, a rotating seat, a rotating rod and a connecting rod, wherein the handrail plate is rotationally connected with the vertical pipe through a rotating device, the handrail plate is transversely and slidingly connected with the vertical pipe through a sliding device, the vertical pipe is longitudinally and vertically connected with the rotating seat through a lifting device, the rotating seat is rotationally connected with one end of the rotating rod, and the other end of the rotating rod is rotationally connected with the connecting rod through a rotating device; the armrest plate can reciprocate in parallel or rotate horizontally, can swing in angle or vertically lift, can rotate the whole armrest relative to the chair, and has comfortable use and wide application range.

Description

5D handrail

Technical Field

The utility model relates to the technical field of chair armrests, in particular to a 5D armrests used on a chair.

Background

The chair comprises a electric competition chair, an office chair and the like, and two armrests are symmetrically arranged on two sides of the chair for supporting hands. Most of the prior chairs have fixed armrests, and the armrests cannot move back and forth in parallel or horizontally rotate, and cannot swing in angle, vertically lift or rotate relative to the chair.

The authorized bulletin number is CN201958284U, which is named as a chair armrest. The relative position of the lifting sleeve and the connecting base is fixed through the clamping block, when the clamping block is separated from the clamping hole, the height of the handrail can be freely adjusted, and the clamping block is reset to the new clamping relative position of the lifting sleeve and the clamping Kong Bingchong of the connecting base after the clamping block is adjusted to be in place.

The chair armrest has the advantages that the height of the armrest can be adjusted, but the structural design is not enough, and the use is not convenient. And the function is relatively single, and the requirement of users on more functions of handrails cannot be met.

Disclosure of Invention

In order to overcome at least one of the technical problems in the prior art, the utility model provides a 5D armrest, wherein an armrest plate of the 5D armrest can reciprocate in parallel or rotate horizontally, can swing an angle or vertically lift, and can rotate the whole armrest relative to a chair.

The utility model provides a 5D handrail, including the handrail board, the riser, the rotating seat, the dwang, the connecting rod, the handrail board rotates with the riser through rotating device and is connected, the handrail board passes through slider and riser horizontal sliding connection, the riser passes through elevating gear and rotates seat vertical lift and is connected, rotate seat and one end rotation connection of dwang, the other end of dwang passes through rotating device and connecting rod swivelling joint, rotating device includes the control panel that installs in the handrail board and be connected with the upper end of riser through the connecting seat, the limiting plate of installing in the control panel, the location elastic component at limiting plate both ends of symmetry, set up the rotation chamber on the control panel, set up at the inner wall in rotation chamber and with location elastic component assorted a plurality of arc constant head tanks, realize rotation or location through location elastic component and arc constant head tank cooperation between handrail board and the riser; the sliding device comprises a sliding cavity formed in the handrail plate, a plurality of arc-shaped limiting grooves symmetrically formed in two side walls of the sliding cavity, limiting elastic assemblies symmetrically arranged on two sides of the control plate, and a sliding groove formed in the sliding cavity and used for avoiding the space connecting seat, wherein transverse sliding or limiting is realized between the handrail plate and the vertical pipe through the cooperation of the limiting elastic assemblies and the sliding groove.

In some embodiments, the lifting device comprises a vertical plate sleeved in the vertical pipe, a slot formed in one side of the vertical plate, a plurality of steps sequentially arranged in the slot, a lifting plate movably inserted in the slot, a clamping groove arranged at the lower end of the lifting plate and used for clamping or separating from each step, wherein the upper end of the lifting plate is hinged with the vertical pipe, a poking plate is further arranged at the upper end of the lifting plate, the free end of the poking plate extends out of the vertical pipe and is used for controlling the clamping groove on the lifting plate to be clamped or separated from each step, and the lower end of the vertical plate is fixedly connected with the rotating seat.

In some embodiments, an arc-shaped groove is formed on one side of the rotating seat, an arc-shaped head protruding outwards is correspondingly formed at the upper end of the rotating rod, a rotating plate is installed in one side of the rotating seat, a hinging seat is installed at the upper end of the rotating rod, the rotating plate is hinged with the hinging seat, and the arc-shaped head of the rotating rod can rotate in the arc-shaped groove of the rotating seat.

In some embodiments, the rotating device comprises a plug hole formed in the upper end of the connecting rod, a plug sleeve inserted and fixed in the plug hole, a conical through hole formed in the middle of the plug sleeve, and a conical column arranged at the lower end of the rotating rod, wherein the conical column is matched with the conical through hole, and is inserted into the conical through hole, and the rotating device further comprises a screw connector, wherein the screw connector extends into the conical through hole from the lower end and rotationally connects the connecting rod and the conical column together.

In some embodiments, the positioning elastic component and the limiting elastic component both comprise T-shaped blocks and springs, one ends of the T-shaped blocks are provided with sleeved posts, the other ends of the T-shaped blocks are provided with protruding arc-shaped parts, and the springs are sleeved on the sleeved posts.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a top perspective view of the present utility model;

FIG. 2 is a bottom perspective view of the present utility model;

FIG. 3 is a schematic view of a rotating device and a sliding device according to the present utility model;

FIG. 4 is a schematic view of the disassembled structure of FIG. 3;

FIG. 5 is a schematic view of the structure of the lifting device of the present utility model;

FIG. 6 is a schematic view of the disassembled structure of FIG. 5;

FIG. 7 is a schematic diagram of a split structure of a riser and a lifter plate according to the present utility model;

FIG. 8 is a schematic view of the structure of the lifter plate of the present utility model;

FIG. 9 is a schematic view of a rotating base and a rotating rod according to the present utility model;

FIG. 10 is a partially broken-away schematic illustration of a rotary apparatus of the present utility model;

FIG. 11 is a partially detailed construction schematic of a rotary device of the present utility model

Fig. 12 is a schematic view of the structure of the limiting plate, T-block and spring of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-12, a 5D armrest comprises an armrest plate 1 for placing a hand, a vertical pipe 2, a rotating seat 3, a rotating rod 4, a connecting rod 5 for fixing with a chair body, wherein the armrest plate 1 is rotationally connected with the vertical pipe 2 through a rotating device, the armrest plate 1 is transversely and slidingly connected with the vertical pipe 2 through a sliding device, the vertical pipe 2 is longitudinally and vertically connected with the rotating seat 3 through a lifting device, the rotating seat 3 is rotationally connected with one end of the rotating rod 4, the other end of the rotating rod 4 is rotationally connected with the connecting rod 5 through a rotating device, the rotating device comprises a control plate 6 installed in the armrest plate 1 and connected with the upper end of the vertical pipe 2 through a connecting seat 34, a limiting plate 7 installed in the control plate 6, positioning elastic assemblies 8 symmetrically installed at the front end and the rear end of the limiting plate 7, a rotating cavity 9 formed on the control plate 6, a plurality of arc-shaped positioning grooves 10 formed on the inner wall of the rotating cavity 9 and matched with the positioning elastic assemblies 8, and rotation or positioning is realized between the armrest plate 1 and the vertical pipe 2 through the cooperation of the positioning elastic assemblies 8; the armrest plate 1 is horizontally rotated leftwards or rightwards, the armrest plate 1 drives the control panel 6 to synchronously rotate, when the armrest plate rotates, two groups of positioning elastic assemblies 8 which are symmetrically arranged relative to each other automatically retract and enter the arc-shaped positioning grooves 10 which are symmetrically arranged relative to each other next, then the positioning elastic assemblies 8 automatically reset and are clamped and positioned with the corresponding arc-shaped positioning grooves 10, and the angle of the armrest plate 1 is changed through the mode; the sliding device comprises a rectangular sliding cavity 11 arranged in the handrail plate 1, a plurality of arc-shaped limiting grooves 12 symmetrically arranged on two side walls of the sliding cavity 11, limiting elastic assemblies 13 symmetrically arranged on the left side and the right side of the control plate 6, and a sliding groove 14 arranged in the sliding cavity 11 and used for avoiding a connecting seat 34, wherein the handrail plate 1 and the vertical pipe 2 are matched with the sliding groove 14 through the limiting elastic assemblies 13 to realize transverse sliding or limiting; the handrail plate 1 is pushed and pulled forwards or backwards, the handrail plate 1 horizontally moves in the sliding groove 14, two limit elastic components 13 symmetrically installed enter a group of arc limit grooves 12 symmetrically arranged to be buckled and fixed, and the limit elastic components 13 are matched with the arc limit grooves 12 at different positions to change the position of the handrail plate 1.

The 5D armrest is 5 working states, specifically, the armrest plate 1 can reciprocate parallel or rotate horizontally, can swing or lift vertically, and can rotate the entire armrest relative to the chair.

When the chair is used, the lower ends of the connecting rods 5 of the two 5D armrests are correspondingly connected and fixed with the two sides of the chair, and the rotating rod 4 can horizontally rotate by taking the upper ends of the connecting rods 5 as circle centers, so that the distance between the whole armrests and the chair is changed to adapt to the requirements of different users; the armrest plate 1 is rotationally connected with the vertical pipe 2 through a rotating device, and the armrest plate 1 can horizontally rotate; the armrest plate 1 is transversely and slidably connected with the vertical pipe 2 through a sliding device, and the armrest plate 1 can move linearly and reciprocally in parallel; the vertical pipe 2 is longitudinally connected with the rotating seat 3 in a lifting way through a lifting device, and the vertical pipe 2 can vertically lift to change the distance between the handrail plate 1 and the horizontal plane; the rotating seat 3 is rotationally connected with one end of the rotating rod 4, and the rotating seat 3 can swing by an angle. The utility model has 5 functions, has better applicability, can meet the requirements of different users in different use states, is more comfortable to use and is not easy to fatigue.

In some embodiments, the lifting device comprises a vertical plate 15 sleeved in the vertical pipe 2, a slot 16 formed on one side of the vertical plate 15, a plurality of steps 17 which are arranged in the slot 16 in sequence and are uniformly arranged in a longitudinal downward line, a lifting plate 18 movably inserted into the slot 16, a U-shaped clamping groove 19 which is arranged at the lower end of the lifting plate 18 and is used for being clamped or separated with each step 17, wherein the upper end of the lifting plate 18 is hinged with the vertical pipe 2, a pulling plate 20 is vertically arranged at the upper end of the lifting plate 18, the free end of the pulling plate 20 extends out of the vertical pipe 2 and is used for controlling the clamping groove 19 on the lifting plate 18 to be clamped or separated with each step 17, and the lower end of the vertical plate 15 is fixedly connected with the rotating seat 3 through a bolt 35. When the height of the vertical pipe 2 needs to be adjusted, so that the height of the armrest plate 1 is synchronously changed, the pulling piece 20 is pulled upwards, the pulling piece 20 enables the clamping groove 19 of the lifting plate 18 to be separated from one of the steps 17, then the pulling piece 20 is pulled upwards, the lifting plate 18, the vertical pipe 2 and the armrest plate 1 synchronously ascend, when the required height is reached, the pulling piece 20 is loosened, the pulling piece 20 can be reset under the action of a reset spring and is clamped and fixed with one of the steps 17, and the downward sliding is prevented.

In some embodiments, an arc-shaped groove 21 is formed on one side of the rotating seat 3, an outwards protruding arc-shaped head 22 is correspondingly formed at the upper end of the rotating rod 4, a rotating plate 23 is installed in one side of the rotating seat 3, a U-shaped hinging seat 24 is installed at the upper end of the rotating rod 4, the rotating plate 23 is hinged with the hinging seat 24, relative fixation can be realized through friction force between the rotating plate 23 and the hinging seat 24, pressure of hands is borne, the rotating seat 3 is prevented from rotating at will, and the arc-shaped head 22 of the rotating rod 4 can rotate in the arc-shaped groove 21 of the rotating seat 3, so that the upward or downward rotating angle is changed.

In some embodiments, the rotating device comprises a plug hole 25 formed at the upper end of the connecting rod 5, a plug sleeve 26 inserted and fixed in the plug hole 25, a conical through hole 27 formed in the middle of the plug sleeve 26, and a conical column 28 integrally formed at the lower end of the rotating rod 4, wherein the conical column 28 is matched with the conical through hole 27, the conical column 28 is inserted in the conical through hole 27, the conical through hole and the conical through hole are relatively fixed through friction force to prevent random rotation, the rotating device further comprises a screw 29, the screw 29 extends into the conical through hole 27 from the lower end, and the connecting rod 5 and the conical column 28 are rotationally connected together, and the screw 29 can be a bolt.

In some embodiments, the positioning elastic component 8 and the limiting elastic component 13 both comprise a T-shaped block 30 and a spring 31, one end of the T-shaped block 30 is provided with a sleeved column 32, the other end is provided with an outwards convex arc-shaped part 33, the rotation is more convenient, the spring 31 is sleeved on the sleeved column 32, and the spring 31 plays roles in resetting and compressing.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description. While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (5)

1. The utility model provides a 5D handrail, includes handrail board, riser, rotation seat, dwang, connecting rod, and the handrail board passes through rotating device and riser rotation is connected, and the handrail board passes through slider and riser horizontal sliding connection, and the riser passes through elevating gear and rotates the vertical lift of seat and is connected, rotates the seat and rotates the one end rotation of pole and be connected, and the other end of dwang passes through rotating device and connecting rod swivelling joint, characterized by: the rotating device comprises a control board, a limiting board, positioning elastic assemblies, a rotating cavity and a plurality of arc-shaped positioning grooves, wherein the control board is arranged in the handrail board and is connected with the upper end of the vertical pipe through a connecting seat; the sliding device comprises a sliding cavity formed in the handrail plate, a plurality of arc-shaped limiting grooves symmetrically formed in two side walls of the sliding cavity, limiting elastic assemblies symmetrically arranged on two sides of the control plate, and a sliding groove formed in the sliding cavity and used for avoiding the space connecting seat, wherein transverse sliding or limiting is realized between the handrail plate and the vertical pipe through the cooperation of the limiting elastic assemblies and the sliding groove.

2. The 5D handrail of claim 1, wherein: the lifting device comprises a vertical plate sleeved in the vertical pipe, a slot formed in one side of the vertical plate, a plurality of steps sequentially arranged in the slot, a lifting plate movably inserted in the slot, a clamping groove arranged at the lower end of the lifting plate and used for clamping or separating each step, a shifting sheet is further arranged at the upper end of the lifting plate, the free end of the shifting sheet extends out of the vertical pipe and is used for controlling the clamping groove on the lifting plate to be clamped or separated from each step, and the lower end of the vertical plate is fixedly connected with the rotating seat.

3. The 5D handrail of claim 2, wherein: an arc-shaped groove is formed in one side of the rotating seat, an arc-shaped head protruding outwards is correspondingly formed at the upper end of the rotating rod, a rotating plate is installed in one side of the rotating seat, a hinging seat is installed at the upper end of the rotating rod, the rotating plate is hinged with the hinging seat, and the arc-shaped head of the rotating rod can rotate in the arc-shaped groove of the rotating seat.

4. A 5D handrail as claimed in claim 3, wherein: the rotating device comprises a plug hole formed in the upper end of the connecting rod, a plug sleeve inserted and fixed in the plug hole, a conical through hole formed in the middle of the plug sleeve, and a conical column arranged at the lower end of the rotating rod, wherein the conical column is matched with the conical through hole, the conical column is inserted into the conical through hole, the rotating device further comprises a screw-connection piece, the screw-connection piece stretches into the conical through hole from the lower end, and the connecting rod and the conical column are connected together in a rotating mode.

5. The 5D handrail of claim 1, wherein: the positioning elastic assembly and the limiting elastic assembly comprise T-shaped blocks and springs, one ends of the T-shaped blocks are provided with sleeved posts, the other ends of the T-shaped blocks are provided with outwards protruding arc-shaped portions, and the springs are sleeved on the sleeved posts.