CN219877793U

CN219877793U - Wire control armrests capable of lying

Info

Publication number: CN219877793U
Application number: CN202321710956.1U
Authority: CN
Inventors: 李树新
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-10-24
Anticipated expiration: 2033-07-03

Abstract

The utility model discloses a wire-control reclining armrest, which comprises an armrest support, wherein a first groove is formed in one side wall of the rear end of the armrest support, a movable lower toothed plate is arranged in the first groove, at least two connecting pieces are correspondingly arranged on the side wall of the lower toothed plate, a corresponding sliding through hole is formed in the inner wall of the first groove, one end of a sliding shaft penetrates through the sliding through hole and is arranged on the connecting hole of the lower toothed plate, a rotatable upper toothed plate is fixedly arranged in the second groove, a detachable reset spring is arranged above the upper toothed plate, a pull rope is connected to the upper toothed plate on one side of the reset spring, an adjusting switch is arranged at the tail end of the other end of the pull rope, and the adjusting switch is used for controlling the engagement or separation of the upper toothed plate and the lower toothed plate through the pull rope so as to adjust the moving range of the sliding shaft and the lower toothed plate; the adjusting switch of the utility model is arranged in front of the armrest support, and when the chair back needs to be adjusted, the position of the chair back can be adjusted without lowering the head, thereby being very convenient and practical.

Description

Wire control armrests capable of lying

Technical Field

The utility model relates to the technical field of armrests, in particular to a wire-control reclining armrest.

Background

The armrests of the electronic competition chair are usually fixed on the electronic competition chair by an armrest support, the armrests are mainly used for placing arms for people so as to be more comfortable, the chair back is mainly used for supporting the waist of the people, and the pressure of the waist and the back can be relieved. The electronic competition chair with the automatic backrest adjusting mechanism has the advantages that the electronic competition chair with the automatic backrest adjusting mechanism with the authorized bulletin number CN 218922128U is provided, the adjusting knob for adjusting the backrest of the chair is of an embedded structural design, the situation of mistaken touching cannot occur, and the practicability is improved. However, the electronic competition chair has the following defects: the adjusting knob of the chair back is arranged on the side surface of the chair, so that when the chair back is adjusted under the condition of unfamiliar products, a user needs to look at the adjusting knob to adjust the chair back with the head down, which is very troublesome; if the user is in the middle of the game, the user is urgent, and can not find the adjusting knob to adjust the position of the chair back under the condition of not looking at the adjusting knob, so that the chair is inconvenient to use; in addition, when the chair back is adjusted in a narrow space, the position of the chair back can not be adjusted due to insufficient space, so that the chair back is very inconvenient, and the requirements of people are not met.

Disclosure of Invention

In order to at least overcome one of the technical problems in the prior art, the utility model provides the wire-control reclining armrest, the adjusting switch of the wire-control reclining armrest is arranged in front of the armrest support, and when the chair back needs to be adjusted, the position of the chair back can be adjusted without lowering the head, so that the wire-control reclining armrest is convenient and practical.

The utility model provides a drive-by-wire handrail that can lie, including the handrail support, first recess has been seted up at a side wall of handrail support rear end, the lower pinion rack that can remove has been put into at first recess, the lateral wall correspondence at lower pinion rack is installed two at least connecting pieces, each connecting piece is used for installing down the pinion rack detachable on one side of the back of the chair, corresponding sliding through-hole has been seted up at the inner wall of first recess, still include the sliding shaft, sliding shaft one end passes the sliding through-hole and puts into on the connecting hole of lower pinion rack, and sliding shaft can drive down pinion rack along sliding through-hole reciprocating motion, the sliding shaft passes the connecting hole again and can dismantle and install on one side of the back of the chair, still include and correspond at another lateral wall of handrail support rear end and seted up the second recess, at the last pinion rack of fixed mounting that can rotate, go up the pinion rack and be located the lower pinion rack meshing and be connected, install the reset spring that can dismantle in the top of last pinion rack on one side of reset spring, install regulating switch at the other end of stay cord, regulating switch can dismantle install at the front end of the handrail at the regulating switch, the control of this rack is passed through with the regulating switch down the pinion rack, thereby with the lower pinion rack meshing.

Further, a third groove and a fourth groove are correspondingly formed in the upper surface of the handrail support, a limit groove is correspondingly formed in the rear surface of the third groove, the limit groove is communicated with the second groove, and a pull rope connected with the upper toothed plate can penetrate through the limit groove and then is placed in the third groove and then is detachably connected with an adjusting switch arranged in the fourth groove.

Further, a protruding mounting hole is formed in one side of the second groove, a protruding block is correspondingly arranged on one side of the mounting hole, a clamping groove is formed between the protruding block and the mounting hole, the pull rope is placed in the clamping groove, the fixing piece is placed in the mounting hole to fix the pull rope between the mounting hole and the protruding block, and therefore the pull rope cannot shake everywhere.

Further, a fifth groove is formed in the top of the upper toothed plate, a clamp spring column is fixedly mounted on the fifth groove, the clamp spring column is correspondingly mounted at the top of the second groove, and a detachable reset spring is arranged between the two clamp spring columns.

Further, the other end of the sliding shaft is provided with a limiting part, and the diameter of the limiting part is larger than that of the sliding through hole.

Further, a plurality of connecting through holes are formed in the side wall of the armrest support, a detachable surface cover is mounted on the armrest support at the periphery of the second groove, and each connecting piece and each fixing piece are screws or bolts.

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 schematic perspective view of the present utility model;

FIG. 2 is a schematic side elevational view of the present utility model;

FIG. 3 is a schematic view of the utility model when mounted on a chair back;

FIG. 4 is an enlarged schematic side elevational view of the article of FIG. 3A;

fig. 5 is a schematic view showing the engagement of the upper toothed plate with the lower toothed plate according to 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. 1-5, a wire-controlled reclining armrest comprises an armrest support 1, a first groove 2 is arranged on one side wall of the rear end of the armrest support 1, a movable lower toothed plate 3 is arranged in the first groove 2, at least two connecting pieces 4 are correspondingly arranged on the side wall of the lower toothed plate 3, each connecting piece 4 is used for detachably arranging the lower toothed plate 3 on one side of a chair back 5, a corresponding sliding through hole 6 is arranged on the inner wall of the first groove 2, a sliding shaft 7 is also included, one end of the sliding shaft 7 is arranged on a connecting hole 8 of the lower toothed plate 3 through the sliding through hole 6, the sliding shaft 7 can drive the lower toothed plate 3 to reciprocate along the sliding through hole 6, the sliding shaft 7 is detachably arranged on one side of the chair back 5 through the connecting hole 8, the novel handrail rack is characterized by further comprising a second groove 9 correspondingly formed in the other side wall of the rear end of the handrail rack 1, an upper toothed plate 10 capable of rotating is fixedly mounted in the second groove 9, the upper toothed plate 10 is connected with a lower toothed plate 3 located below in a meshed mode, a detachable reset spring 11 is mounted above the upper toothed plate 10, a pull rope 12 is connected to the upper toothed plate 10 on one side of the reset spring 11, an adjusting switch 13 is mounted at the tail end of the other end of the pull rope 12, the adjusting switch 13 is detachably mounted at the front end of the handrail rack 1, and the adjusting switch 13 controls the upper toothed plate 10 to be meshed with or separated from the lower toothed plate 3 through the pull rope 12, so that the moving range of the sliding shaft 7 and the lower toothed plate 3 is adjusted.

The lower toothed plate 3 is installed on one side of the chair back 5 through at least two connecting pieces 4, the connecting mode is simple in structure, detachment and installation are convenient, the sliding through hole 6 is an arc hole, when the angle of the chair back 5 needs to be adjusted, the pull rope 12 is controlled through the adjusting switch 13 at the front end of the armrest support 1, the pull rope 12 is used for controlling the upper toothed plate 10 to be separated from the lower toothed plate 3, at the moment, the angle of the chair back 5 can be adjusted according to the requirement of a user, the included angle between the chair back 5 and the horizontal plane is made to be larger than 90 degrees through adjustment, the human back is comfortable to lie against the chair back 5, the chair back 5 is convenient, the sliding shaft 7 can drive the lower toothed plate 3 to move along the sliding through hole 6 in the adjusting process, when the angle of the chair back 5 is adjusted, the sliding shaft 7 stops driving the lower toothed plate 3 to move along the sliding through hole 6, the force of the reset spring 11 can push the upper toothed plate 10 to be meshed with the lower toothed plate 3 below, the angle of the chair back 5 is fixed after the meshing, the connecting mode is simple in structure, the effect that the adjusting switch 13 is set at the front end of the armrest support 1 can be adjusted conveniently, the angle of the chair back 5 can be adjusted conveniently, and the chair back 5 is not required to be adjusted conveniently.

Further, the third groove 14 and the fourth groove 15 are correspondingly formed on the upper surface of the handrail support 1, the limit groove 16 is correspondingly formed on the rear surface of the third groove 14, the limit groove 16 is communicated with the second groove 9, the pull rope 12 connected with the upper toothed plate 10 can pass through the limit groove 16 and then be placed in the third groove 14, and then be detachably connected with the adjusting switch 13 arranged on the fourth groove 15, and the limit groove 16 is provided, so that the pull rope 12 is prevented from moving everywhere, and the engagement or the separation of the upper toothed plate 10 and the lower toothed plate 3 is prevented from being influenced.

Further, a protruding mounting hole is formed in one side of the second groove 9, a protruding block 18 is correspondingly arranged on one side of the mounting hole, a clamping groove 19 is formed between the protruding block 18 and the mounting hole, the pull rope 12 is placed in the clamping groove 19, the fixing piece 20 is placed in the mounting hole to fix the pull rope 12 between the mounting hole and the protruding block 18, the pull rope 12 cannot shake everywhere, and the protruding block 18 and the mounting hole are provided, so that the position of the pull rope 12 can be fixed, the pull rope 12 is prevented from moving everywhere, and the engagement or the separation of the upper toothed plate 10 and the lower toothed plate 3 is influenced.

Further, the fifth groove 21 is formed in the top of the upper toothed plate 10, the clamp spring column 22 is fixedly mounted on the fifth groove 21, the clamp spring column 22 is correspondingly mounted on the top of the second groove 9, the detachable reset spring 11 is arranged between the two clamp spring columns 22, and the detachable reset spring 11 is beneficial in that the reset spring 11 can be detached or mounted without using special tools, so that the convenience is high and the time is saved.

Further, the other end of the sliding shaft 7 is formed with a limiting part 23, the diameter of the limiting part 23 is larger than that of the sliding through hole 6, the cross section of the limiting part 23 is L-shaped, and the limiting part 23 has the advantages that when the sliding shaft 7 is connected with the lower toothed plate 3, the sliding shaft 7 can be prevented from sliding out of the sliding through hole 6, and the connection is very firm and reliable.

Further, a plurality of connecting through holes 24 are formed in the side wall of the armrest support 1, a detachable surface cover 25 is mounted on the armrest support 1 at the periphery of the second groove 9, each connecting piece 4 and each fixing piece are screws or bolts, the advantage of the plurality of connecting through holes 24 is that the connecting through holes are convenient to be connected with the detachable side face of the chair back 5 and the side face of the chair, the convenience is very high, and the benefit of the surface cover 25 is that the second groove 9 is covered, so that the attractive and tidy effect is achieved.

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

1. The utility model provides a drive-by-wire handrail of can lying, includes the handrail support, has seted up first recess, characterized by at a side wall of handrail support rear end: the movable lower toothed plate is arranged in the first groove, at least two connecting pieces are correspondingly arranged on the side wall of the lower toothed plate, each connecting piece is used for detachably mounting the lower toothed plate on one side of the chair back, a corresponding sliding through hole is formed in the inner wall of the first groove, the movable lower toothed plate further comprises a sliding shaft, one end of the sliding shaft penetrates through the sliding through hole and is arranged on the connecting hole of the lower toothed plate, the sliding shaft can drive the lower toothed plate to reciprocate along the sliding through hole, the sliding shaft penetrates through the connecting hole again and is detachably mounted on one side of the chair back, the movable lower toothed plate further comprises a second groove correspondingly formed in the other side wall of the rear end of the handrail support, an upper toothed plate capable of being fixedly mounted in the second groove is meshed with the lower toothed plate located below, a detachable reset spring is mounted above the upper toothed plate, a pull rope is connected on the upper toothed plate on one side of the reset spring, an end of the other end of the pull rope is provided with an adjusting switch, and the adjusting switch is detachably mounted at the front end of the handrail support.

2. The wire controlled recumbent armrest of claim 1, wherein: the upper surface of the handrail support is correspondingly provided with a third groove and a fourth groove, the rear surface of the third groove is correspondingly provided with a limit groove, the limit groove is communicated with the second groove, and a pull rope connected with the upper toothed plate can pass through the limit groove and then is arranged in the third groove and then is detachably connected with an adjusting switch arranged in the fourth groove.

3. The wire controlled recumbent armrest of claim 2, wherein: one side of the second groove is provided with a convex mounting hole, one side of the mounting hole is correspondingly provided with a convex block, a clamping groove is formed between the convex block and the mounting hole, the pull rope is placed in the clamping groove, and the fixing piece is placed in the mounting hole to fix the pull rope between the mounting hole and the convex block, so that the pull rope cannot shake everywhere.

4. A wire controlled recumbent armrest as set forth in claim 3, wherein: a fifth groove is formed in the top of the upper toothed plate, a clamp spring column is fixedly installed on the fifth groove, the top of the second groove is correspondingly provided with the clamp spring column, and a detachable reset spring is arranged between the two clamp spring columns.

5. The wire controlled recumbent armrest of claim 4, wherein: the other end of the sliding shaft is provided with a limiting part, and the diameter of the limiting part is larger than that of the sliding through hole.

6. The wire controlled recumbent armrest of claim 1, wherein: the side wall of the armrest support is provided with a plurality of connecting through holes, the armrest support at the periphery of the second groove is provided with a detachable surface cover, and each connecting piece and each fixing piece are screws or bolts.