CN220423542U

CN220423542U - Armrest and chair convenient to adjust

Info

Publication number: CN220423542U
Application number: CN202322116861.3U
Authority: CN
Inventors: 赵海波; 马德和; 张文; 王大秋
Original assignee: Zhejiang Mojia Smart Home Co ltd
Current assignee: Zhejiang Mojia Smart Home Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-02-02
Anticipated expiration: 2033-08-08

Abstract

The utility model discloses handrails and a chair convenient to adjust, which belong to the technical field of seat handrails and comprise two handrail bodies symmetrically arranged on a seat plate; the armrest body is rotatably arranged on the upper surface of the seat plate through the angle adjusting component; the support component is slidably arranged in the armrest body. According to the utility model, when a user wants to write and lie down for rest, the angle adjusting assembly is used for adjusting the two armrest bodies to rotate outwards, so that the armrest bodies are prevented from binding the body, and meanwhile, the bearing assembly is pulled out of the armrest bodies and used for supporting the two arms of the user, so that the two arms are prevented from sliding down, and the rest experience is improved.

Description

Armrest and chair convenient to adjust

Technical Field

The utility model relates to the technical field of armrests of chairs, in particular to an armrests convenient to adjust and a chair.

Background

The existing office chair or household chair is a multifunctional chair with the back plate capable of rotating, so that office comfort sitting postures are met, and meanwhile, the function of leaning down for rest can be met. Although existing office chairs are capable of providing a recumbent rest function; however, armrests of the chair are limited to restraining the body when the user lies down; the user cannot bring good rest experience; meanwhile, when a user lies down, the two arms of the user have no good placement position; often resulting in a sleeping user being awake as the arms slide down. Therefore, the utility model provides the armrests and the chairs which are convenient to adjust.

Disclosure of Invention

Aiming at the technical defects, the utility model aims to provide handrails and chairs which are convenient to adjust, the angle adjusting component is used for adjusting the two handrail bodies to rotate outwards, so that the body is prevented from being bound by the handrail bodies, and meanwhile, the bearing component is pulled out of the handrail bodies, so that double-arm support is realized for a user; solves the technical problems that the armrests of the chair put forward in the background art restrict the body and the two arms have no good placement position.

In order to solve the technical problems, the utility model adopts the following technical scheme: the present utility model provides an easy-to-adjust armrest comprising: two armrest bodies symmetrically mounted on the seat plate; the armrest body is rotatably arranged on the upper surface of the seat plate through an angle adjusting assembly; a bearing component is slidably arranged in the armrest body; when the user wants to write and lie down the rest, adjust two handrail bodies outwards through angle adjusting component and rotate, avoid handrail body to the constraint of health, pull out the handrail body with bearing subassembly simultaneously for to user's both arms support, avoid both arms landing, improve the rest experience.

Preferably, the armrest body comprises a U-shaped supporting rod and a transverse shaft fixedly arranged between two side rods of the U-shaped supporting rod; two support columns are arranged at the edge of the upper surface of the seat plate; the transverse shaft is rotatably arranged between the two support columns, so that the U-shaped support rods can conveniently rotate to adjust the angle of the armrest body, and the user can conveniently recline for rest.

Preferably, the angle adjusting assembly comprises a return spring, an internal spline and a limiting tooth; the side surface of the support column is provided with a shaft groove; the reset spring is fixedly arranged on the bottom surface of the shaft groove; the two ends of the transverse shaft are respectively and correspondingly rotatably arranged in the shaft groove; the return spring is positioned between the transverse shaft and the bottom surface of the shaft groove; the inner side of the open end of the shaft groove is coaxially provided with the internal spline; the limiting teeth are arranged on the outer side of one end part of the transverse shaft; the limiting teeth are matched with tooth grooves on the inner side of the internal spline; the limiting teeth slide out of tooth grooves on the inner side of the internal spline by pushing the U-shaped supporting rod; then the U-shaped supporting rod is rotated to a proper angle; and the U-shaped supporting rod is released, and the limiting teeth are matched in the tooth grooves of the internal spline again under the action of the reset spring, so that the convenient and fast adjustment of the angles of the two handrail bodies is realized.

Preferably, the bearing assembly comprises a pull rod, two sliding rods and a limiting block; the outer side surface of the side rod of the U-shaped supporting rod is provided with a pull rod groove; the upper part of the bottom surface of the pull rod groove is provided with a slide rod groove which penetrates into the bottom rod of the U-shaped support rod; the lower part of the bottom surface of the pull rod groove is provided with a slide rod hole; limiting grooves corresponding to the sliding rod holes are symmetrically formed in the inner side faces of the two side rods of the U-shaped supporting rod; the two sliding rods are symmetrically arranged at the upper part and the lower part of the side surface of the pull rod; the limiting block is arranged at the tail end of the sliding rod; the two sliding rods are correspondingly and slidably arranged in the sliding rod grooves and the sliding rod holes respectively; the pull rod is arranged in the pull rod groove in a matching way; the limiting block is arranged in the limiting groove in a matching way; the two sliding rods are pulled by the pull rod, so that the arms are supported, and the arms can be placed comfortably when a user reclines; when the arm is not needed to be placed, the pull rod is pushed into the pull rod groove, so that convenience and convenience are realized.

Preferably, a rectangular supporting piece is arranged between the sliding rods; the bottom surface of the pull rod groove is provided with a strip-shaped hole which is communicated with the slide rod hole and the slide rod groove; the rectangular support slides through the bar-shaped hole; the rectangular support is convenient for a user to place the arms when resting.

A chair, wherein the armrests convenient to adjust are arranged, and the back plate of the chair can rotate relative to the seat plate; so as to realize that the user can lie down for rest, and then the handrail in this embodiment can provide convenient comfortable experience.

The utility model has the beneficial effects that:

according to the utility model, when a user wants to write and lie down for rest, the angle adjusting assembly is used for adjusting the two armrest bodies to rotate outwards, so that the armrest bodies are prevented from binding the body, and meanwhile, the bearing assembly is pulled out of the armrest bodies and used for supporting the two arms of the user, so that the two arms are prevented from sliding down, and the rest experience is improved.

According to the utility model, the limiting teeth slide out of the tooth grooves on the inner side of the internal spline by pushing the U-shaped supporting rod; then the U-shaped supporting rod is rotated to a proper angle; and the U-shaped supporting rod is released, and the limiting teeth are matched in the tooth grooves of the internal spline again under the action of the reset spring, so that the convenient and fast adjustment of the angles of the two handrail bodies is realized.

According to the utility model, the two sliding rods and the rectangular supporting piece are pulled out by pulling the pull rod, so that the arm is supported, and a comfortable placing position of the arm is realized when a user reclines; when the arm is not needed to be placed, the pull rod is pushed into the pull rod groove, so that convenience and convenience are realized.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of an armrest and a chair which are convenient to adjust.

Fig. 2 is a schematic view of the structure of the present utility model without the armrest body and the support assembly.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is a schematic structural view of the armrest body according to the present utility model.

Figure 5 is a schematic view of the construction of the support assembly of the present utility model.

Reference numerals illustrate: 11-seat pan, 12-support column, 13-back plate, 121-shaft groove, 2-armrest body, 21-U-shaped support rod, 211-pull rod groove, 212-slide rod groove, 213-slide rod hole, 214-limit groove, 22-transverse shaft, 31-return spring, 32-internal spline, 33-limit tooth, 41-pull rod, 42-slide rod, 43-limit block, 44-rectangular support piece and 215-strip hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: as shown in fig. 1 to 5, the present embodiment provides an armrest that facilitates adjustment, including: the two armrest bodies 2 symmetrically mounted on the seat pan 11, in fact, the seat back plate is mounted on the rear side of the seat pan 11, and the seat back plate can rotate about the seat pan 11 to provide a function that a user can lie down for rest; the armrest body 2 is rotatably arranged on the upper surface of the seat plate 11 through an angle adjusting assembly; a bearing component is slidably arranged in the armrest body 2; when in actual use, when a user wants to write to lie down for rest, the angle adjusting assembly is used for adjusting the two armrest bodies 2 to rotate outwards, so that the armrest bodies 2 are prevented from being bound to the body, and meanwhile, the bearing assembly is pulled out of the armrest bodies 2 for supporting the two arms of the user, avoiding the two arms from slipping off, and improving the rest experience.

Referring to fig. 2 to 4, the armrest body 2 includes a U-shaped support bar 21 and a transverse shaft 22 fixedly installed between two side bars of the U-shaped support bar 21; two support columns 12 are arranged on the edge of the upper surface of the seat plate 11; the cross shaft 22 is rotatably mounted between the support columns 12. More specifically, the angle adjusting assembly includes a return spring 31, an internal spline 32, and a limiting tooth 33; the side surface of the support column 12 is provided with a shaft groove 121; the return springs 31 are fixedly arranged on the bottom surfaces of the shaft grooves 121, and the return springs 31 are arranged in the two shaft grooves 121; the two ends of the transverse shaft 22 are respectively and correspondingly rotatably arranged in the shaft groove 121; the return spring 31 is positioned between the transverse shaft 22 and the bottom surface of the shaft groove 121, and the return spring 31 connects the transverse shaft 22 and the bottom surface of the shaft groove 121; the inner side of the opening end of the shaft groove 121 is coaxially provided with the inner spline 32; the limiting teeth 33 are arranged outside one end part of the transverse shaft 22; the limit teeth 33 are matched with tooth grooves on the inner side of the internal spline 32; when in actual use, the limiting teeth 33 slide out of the tooth grooves on the inner side of the internal spline 32 by pushing the U-shaped supporting rod 21; then the U-shaped supporting rod 21 is rotated to a proper angle; the U-shaped supporting rod 21 is released, and the limiting teeth 33 are matched in the tooth grooves of the internal spline 32 again under the action of the return spring 31, so that the angle of the two handrail bodies 2 can be conveniently adjusted.

Example 2: referring to fig. 4 and 5, the support assembly includes a pull rod 41, two slide rods 42, and a stopper 43; the outer side surface of the side rod of the U-shaped supporting rod 21 is provided with a pull rod groove 211; a sliding rod groove 212 which penetrates into the bottom rod of the U-shaped supporting rod 21 is formed in the upper part of the bottom surface of the pull rod groove 211; a sliding rod hole 213 is formed in the lower portion of the bottom surface of the pull rod groove 211; limiting grooves 214 corresponding to the slide bar holes 213 are symmetrically formed on the inner side surfaces of the two side bars of the U-shaped support bar 21; the two sliding rods 42 are symmetrically arranged at the upper and lower parts of the side surfaces of the pull rod 41; the limiting block 43 is arranged at the tail end of one sliding rod 42; the two sliding rods 42 are respectively and correspondingly slidably installed in the sliding rod groove 212 and the sliding rod hole 213; the pull rod 41 is matched and installed in the pull rod groove 211; the limiting block 43 is installed in the limiting groove 214 in a matching way; specifically, if the U-shaped support rod 21 is made of iron, the limiting block 43 may be a magnet, so as to ensure stability when the limiting block 43 is matched in the limiting groove 214; in addition, if the U-shaped support bar 21 is not iron, an armature may be embedded in the bottom surfaces of the two limiting grooves 214, so as to realize the stability of the limiting block 43 when being matched in the limiting grooves 214. Further, a rectangular support 44 is installed between the sliding bars 42; the bottom surface of the pull rod groove 211 is provided with a strip-shaped hole 215 which is communicated with the slide rod hole 213 and the slide rod groove 212; the rectangular support 44 slides through the bar-shaped hole 215; specifically, the rectangular support 44 may be a rectangular cloth bag or a rectangular sheet. In actual use, the two slide bars 42 and the rectangular supporting piece 44 are pulled out by pulling the pull rod 41, so that the arms are supported, and a comfortable placing position of the arms is realized when a user reclines; when the arm is not needed to be placed, the pull rod 41 is pushed into the pull rod groove 211, so that convenience and convenience are realized.

Example 3: the chair is provided with the handrails convenient to adjust, and the back plate 13 of the chair can rotate relative to the seat plate 11 so as to enable a user to lie down for rest, and the handrails in the embodiment can provide convenient and comfortable experience.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. Handrail convenient to adjust, its characterized in that includes: two armrest bodies (2) symmetrically mounted on the seat plate (11); the armrest body (2) is rotatably arranged on the upper surface of the seat board (11) through an angle adjusting assembly; the armrest body (2) is internally provided with a bearing component.

2. The armrest convenient for adjustment according to claim 1, characterized in that the armrest body (2) comprises a U-shaped support bar (21) and a transverse shaft (22) fixedly installed between two side bars of the U-shaped support bar (21); two support columns (12) are arranged at the edge of the upper surface of the seat plate (11); the transverse shaft (22) is rotatably mounted between the two support columns (12).

3. An easy-to-adjust armrest as claimed in claim 2, characterized in that said angle adjustment assembly comprises a return spring (31), an internal spline (32) and a stop tooth (33); a shaft groove (121) is formed in the side face of the support column (12); the reset spring (31) is fixedly arranged on the bottom surface of the shaft groove (121); both ends of the transverse shaft (22) are respectively and correspondingly rotatably arranged in the shaft groove (121); the return spring (31) is positioned between the transverse shaft (22) and the bottom surface of the shaft groove (121); the inner side of the opening end of the shaft groove (121) is coaxially provided with the internal spline (32); the limiting teeth (33) are arranged outside one end part of the transverse shaft (22); the limiting teeth (33) are matched with tooth grooves on the inner side of the internal spline (32).

4. An easy to adjust armrest as claimed in claim 3, characterized in that said support assembly comprises a tie rod (41), two slide rods (42) and a stopper (43); the outer side surface of the side rod of the U-shaped supporting rod (21) is provided with a pull rod groove (211); a sliding rod groove (212) which penetrates into the bottom rod of the U-shaped supporting rod (21) is formed in the upper part of the bottom surface of the pull rod groove (211); a slide bar hole (213) is formed in the lower part of the bottom surface of the pull bar groove (211); limiting grooves (214) corresponding to the sliding rod holes (213) are symmetrically formed in the inner side faces of the two side rods of the U-shaped supporting rod (21); the two sliding rods (42) are symmetrically arranged at the upper part and the lower part of the side surface of the pull rod (41); the limiting block (43) is arranged at the tail end of the sliding rod (42); the two sliding rods (42) are correspondingly and slidably arranged in the sliding rod grooves (212) and the sliding rod holes (213) respectively; the pull rod (41) is arranged in the pull rod groove (211) in a matching way; the limiting block (43) is installed in the limiting groove (214) in a matching mode.

5. An armrest as claimed in claim 4, characterized in that between said slide bars (42) a rectangular support (44) is mounted; the bottom surface of the pull rod groove (211) is provided with a strip-shaped hole (215) which is communicated with the slide rod hole (213) and the slide rod groove (212); the rectangular support (44) slides through the strip-shaped aperture (215).

6. A chair, characterized in that an armrest according to any one of claims 1-5 is provided for easy adjustment, the back plate (13) of the chair being rotatable in relation to the seat plate (11).