CN220025442U

CN220025442U - Armrest

Info

Publication number: CN220025442U
Application number: CN202321445227.8U
Authority: CN
Inventors: 尤标波
Original assignee: Ningbo Comfort Furniture & Bedding Co ltd
Current assignee: Ningbo Comfort Furniture & Bedding Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-11-17
Anticipated expiration: 2033-06-07

Abstract

The utility model relates to the technical field of auxiliary instruments, in particular to a handrail, which comprises a fixed structure and a handrail body; the fixing structure comprises a first vertical plate, a transverse plate, a second vertical plate and first fasteners, wherein one end of the transverse plate is fixedly connected with the first vertical plate, the other end of the transverse plate is fixedly connected with the second vertical plate, so that the first vertical plate, the transverse plate and the second vertical plate form a sleeving cavity for sleeving the bedstead, and each first fastener is fixedly connected to the first vertical plate or the second vertical plate; two ends of the armrest body are respectively fixedly connected with a fixing structure; the handrail body is sleeved on the bedstead through the sleeve joint cavity formed by the first vertical plate, the transverse plate and the second vertical plate and is fixed through the first fastening piece.

Description

Armrest

Technical Field

The utility model relates to the technical field of auxiliary instruments, in particular to an armrest.

Background

Wheelchairs, nursing beds and the like are used as products facing the old or patients, and the products are required to be provided with corresponding handrail structures or guardrail structures, so that the safety of users is ensured, and the supporting function of the users is provided.

The prior art has the advantages that the armrests are usually arranged on the bed edges so as to prevent people from falling off when sleeping unconsciously and turning over at night, meanwhile, the armrests can help the people who cannot stand up or lie down by themselves, the actions of lying down or standing up are completed by themselves without the help of medical staff, family members, sick friends or other people, the armrests of the prior art are fixed with the bed, and the use of people can be influenced by the armrests standing up on the bed edges all the time, so that the prior art needs to be improved.

Thus, chinese patent CN216570592U discloses a detachable armrest for a medical bed, wherein an armrest main body is mounted on the medical bed through a sleeve, and is clamped in the sleeve through a clamping assembly, and a rotating transverse leg in the armrest main body rotates in the sleeve, so that a clamping hole of the clamping assembly on the sleeve is driven to rotate into a slide way, thereby realizing that the armrest main body is moved out of the sleeve; the utility model has the advantages of its defect lies in, this handrail need install sleeve (adopt bolt fastening) on the handrail earlier before carrying out demountable installation, therefore telescopic process is comparatively complicated, and the sleeve installation in-process is liable to destroy the bed body simultaneously, influences the subsequent use of bed body, and because demountable installation is unset telescopic fixed, therefore this demountable handrail's application range has certain limitation.

Disclosure of Invention

The utility model provides a handrail, which solves the problems of complex installation and small application range of the detachable handrail in the prior art.

An armrest comprises at least two fixing structures and an armrest body;

the fixing structure comprises a first vertical plate, a transverse plate, a second vertical plate and a plurality of first fasteners, one end of the transverse plate is fixedly connected with the first vertical plate, the other end of the transverse plate is fixedly connected with the second vertical plate, so that the first vertical plate, the transverse plate and the second vertical plate form a sleeved cavity for sleeving a bedstead, each first fastener is fixedly connected to the first vertical plate or the second vertical plate, and the first fasteners are used for fixedly connecting the first vertical plate with the bedstead or fixedly connecting the second vertical plate with the bedstead;

the two ends of the armrest body are respectively fixedly connected with one fixing structure, and the two ends of the armrest body are fixedly connected with the first vertical plate or the second vertical plate corresponding to the fixing structure.

The utility model has the advantages and beneficial effects that: the handrail body is sleeved on the bedstead through the sleeve joint cavity formed by the first vertical plate, the transverse plate and the second vertical plate and is fixed through the first fastening piece.

Preferably, the two fixing structures are a first fixing structure and a second fixing structure, the armrest body comprises a first supporting rod, a second supporting rod and a handrail rod, one end of the first supporting rod is hinged with a first riser or a second riser of the first fixing structure, the other end of the first supporting rod is hinged with one end of the handrail rod, one end of the second supporting rod is hinged with the first riser or the second riser of the second fixing structure, and the other end of the second supporting rod is hinged with the other end of the handrail rod, so that the first supporting rod, the second supporting rod, the handrail rod and the bedstead form a four-bar mechanism; the locking structure is arranged between the first supporting rod and the first fixing structure and/or between the second supporting rod and the second fixing structure, and the locking structure is used for fixing the four-bar linkage mechanism so that the four-bar linkage mechanism can realize a supporting function after being unfolded. The first support rod and the second support rod are hinged to the first fixing structure and the second fixing structure respectively, and form a four-bar linkage mechanism capable of being overturned around one of the fixing structures with the handrail rod, so that the handrail body has the functions of unfolding and folding, and the four-bar linkage mechanism is fixed through the locking structure, so that the four-bar linkage mechanism is supported after being unfolded.

Preferably, the locking structure comprises a fixing plate and a second fastening piece, the second fastening piece is of a bolt structure, the fixing plate is fixedly connected to the second supporting rod, and first threaded holes for the second fastening piece to be in threaded fit are formed in the fixing plate and the first vertical plate or the second vertical plate of the second fixing structure. The fixing plate is fixedly connected to the first vertical plate or the second vertical plate through the second fastening piece, so that the armrest body can be fixed after being unfolded, and the fixing mode has the effects of simple structure, firmness and reliability.

Preferably, the armrest body further comprises a third supporting rod, one end of the third supporting rod is hinged to the first supporting rod, the other end of the third supporting rod is hinged to the second supporting rod, and the third supporting rod is arranged in parallel with the armrest rod. Through the arrangement of the third supporting rod, the supporting firmness of the armrest body after being unfolded is improved.

Preferably, the first fastening members are of a bolt structure, and each first riser is provided with a second threaded hole for the first fastening members to be in threaded fit, so that the first fastening members fixedly connect the first risers to the bed frame through the second threaded holes. The setting like this, through the cooperation of first fastener and second screw hole, fix first riser on the bedstead, this mode simple structure and more convenient, can give bigger holding power through the threaded connection of bolt moreover.

Preferably, the vertical distance from the lower end of the first riser to the cross plate is smaller than the vertical distance from the lower end of the second riser to the cross plate. Thus, the risers with different lengths can play a foolproof role.

Drawings

FIG. 1 is a left side view of the armrest of the present utility model;

FIG. 2 is a rear view of the armrest of the present utility model;

fig. 3 is a front view of the armrest of the present utility model.

Wherein,

1. a fixed structure; 2. a handrail body; 3. a bed frame; 4. sleeving the cavity; 5. a locking structure; 6. a through hole; 1.1, a first vertical plate; 1.2, a transverse plate; 1.3, a second vertical plate; 1.4, a first fastener; 2.1, a first supporting rod; 2.2, a second supporting rod; 2.3, a grab rail; 2.4, a third supporting rod; 5.1, a fixing plate; and 5.2, a second fastener.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1, an armrest comprises at least two fixing structures 1 and an armrest body 2;

the fixed structure 1 comprises a first riser 1.1, a transverse plate 1.2, a second riser 1.3 and a plurality of first fasteners 1.4, one end of the transverse plate 1.2 is fixedly connected with the first riser 1.1, the other end is fixedly connected with the second riser 1.3, so that the first riser 1.1, the transverse plate 1.2 and the second riser 1.3 form a sleeving cavity 4 for sleeving the bedstead 3, each first fastener 1.4 is fixedly connected on the first riser 1.1 or the second riser 1.3, and the first fastener 1.4 is used for fixedly connecting the first riser 1.1 with the bedstead 3 or fixedly connecting the second riser 1.3 with the bedstead 3;

two ends of the armrest body 2 are respectively fixedly connected with a fixed structure 1, and two ends of the armrest body 2 are fixedly connected with a first vertical plate 1.1 or a second vertical plate 1.3 corresponding to the fixed structure 1.

Specifically, the handrail body 2 is sleeved on the bedstead 3 through the sleeve joint cavity 4 formed by the first vertical plate 1.1, the transverse plate 1.2 and the second vertical plate 1.3, and is fixed through the first fastening piece 1.4.

Referring to fig. 2 and 3, in the preferred embodiment of the present utility model, the two fixing structures 1 are a first fixing structure and a second fixing structure, respectively, the handrail body 2 includes a first supporting rod 2.1, a second supporting rod 2.2 and a handrail 2.3, one end of the first supporting rod 2.1 is hinged to the first riser 1.1 or the second riser 1.3 of the first fixing structure, the other end is hinged to one end of the handrail 2.3, one end of the second supporting rod 2.2 is hinged to the first riser 1.1 or the second riser 1.3 of the second fixing structure, and the other end is hinged to the other end of the handrail 2.3, so that the first supporting rod 2.1, the second supporting rod 2.2, the handrail 2.3 and the bedstead 3 form a four-bar mechanism; a locking structure 5 is arranged between the first supporting rod 2.1 and the first fixing structure and/or between the second supporting rod 2.2 and the second fixing structure, and the locking structure 5 is used for fixing the four-bar mechanism so as to realize the supporting function after the four-bar mechanism is unfolded.

Specifically, the first supporting rod 2.1 and the second supporting rod 2.2 are respectively hinged on the first fixing structure and the second fixing structure, and form a four-bar linkage mechanism capable of being overturned around one of the fixing structures 1 with the handrail rod 2.3, so that the functions of unfolding and folding the handrail body 2 are achieved, and the four-bar linkage mechanism is fixed through the locking structure 5, so that the four-bar linkage mechanism is supported after being unfolded.

The first supporting rod 2.1 is preferably of an L-shaped structure, the long rod end of the L-shaped structure is hinged to the second vertical plate 1.3, the second supporting rod 2.2 is of an F-shaped structure, two short rods of the second supporting rod 2.2 of the F-shaped structure face the first supporting rod 2.1 of the L-shaped structure, the long rod end of the F-shaped structure is hinged to the second vertical plate 1.3, the first supporting rod 2.1 is of an L shape, the short rods of the F-shaped structure and the short rods of the L-shaped structure are all the same length, the L-shaped structure can improve the supporting strength of the first supporting rod 2.1, and the F-shaped structure can improve the supporting strength of the second supporting rod 2.2.

In order to further optimize the above scheme, the locking structure 5 comprises a fixing plate 5.1 and a second fastening piece 5.2, the second fastening piece 5.2 is of a bolt structure, the fixing plate 5.1 is fixedly connected to the second supporting rod 2.2, and the fixing plate 5.1 and the first vertical plate 1.1 or the second vertical plate 1.3 of the second fixing structure are respectively provided with a first threaded hole for the second fastening piece 5.2 to be in threaded fit.

Specifically, the fixing plate 5.1 is fixedly connected to the first riser 1.1 or the second riser 1.3 through the second fastening piece 5.2, so that the armrest body 2 can be fixed after being unfolded, and the fixing mode has the effects of simple structure, firmness and reliability.

The second fastening piece 5.2 is of a bolt structure, so that after the screw rod of the second fastening piece 5.2 is in threaded connection with the first threaded hole on the fixed plate, the side of the vertical plate is screwed tightly continuously until the screw rod is matched with the first threaded hole of the first vertical plate 1.1 or the first threaded hole of the second vertical plate 1.3, and the final supporting effect is achieved through double screwing and matching of the fixed plate and the first vertical plate 1.1 and the second vertical plate 1.3.

In order to further optimize the above scheme, the handrail body 2 further includes a third supporting rod 2.4, one end of the third supporting rod 2.4 is hinged with the first supporting rod 2.1, the other end is hinged with the second supporting rod 2.2, and the third supporting rod 2.4 is parallel to the handrail rod 2.3.

Specifically, through the setting of third bracing piece 2.4, improve the support firmness after the handrail body 2 is expanded.

In the preferred embodiment of the present utility model, the first fastening members 1.4 are in a bolt structure, and each first riser 1.1 is provided with a second threaded hole for the first fastening member 1.4 to be in threaded engagement, so that the first fastening member 1.4 fixedly connects the first riser 1.1 to the bed frame 3 through the second threaded hole.

Specifically, through the cooperation of first fastener 1.4 and second screw hole, fix first riser 1.1 on bedstead 3, this mode simple structure and more convenient, can give bigger holding power through the threaded connection of bolt moreover.

In the preferred embodiment of the utility model, the vertical distance from the lower end of the first riser 1.1 to the cross plate 1.2 is smaller than the vertical distance from the lower end of the second riser 1.3 to the cross plate 1.2.

Specifically, the risers with different lengths can play a foolproof role.

The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. A handrail, characterized by comprising at least two fixing structures (1) and a handrail body (2);

the fixing structure (1) comprises a first vertical plate (1.1), a transverse plate (1.2), a second vertical plate (1.3) and a plurality of first fastening pieces (1.4), one end of the transverse plate (1.2) is fixedly connected with the first vertical plate (1.1), the other end of the transverse plate is fixedly connected with the second vertical plate (1.3), so that the first vertical plate (1.1), the transverse plate (1.2) and the second vertical plate (1.3) form a sleeving cavity (4) for sleeving the bedstead (3), each first fastening piece (1.4) is fixedly connected to the first vertical plate (1.1) or the second vertical plate (1.3), and the first fastening piece (1.4) is used for fixedly connecting the first vertical plate (1.1) with the bedstead (3) or fixedly connecting the second vertical plate (1.3) with the bedstead (3);

the two ends of the handrail body (2) are respectively fixedly connected with the fixing structure (1), and the two ends of the handrail body (2) are fixedly connected with the first vertical plate (1.1) or the second vertical plate (1.3) corresponding to the fixing structure (1).

2. The armrest as claimed in claim 1, wherein the two fixing structures (1) are a first fixing structure and a second fixing structure, respectively, the armrest body (2) comprises a first supporting rod (2.1), a second supporting rod (2.2) and a grab rail (2.3), one end of the first supporting rod (2.1) is hinged with a first riser (1.1) or a second riser (1.3) of the first fixing structure, the other end is hinged with one end of the grab rail (2.3), one end of the second supporting rod (2.2) is hinged with the first riser (1.1) or the second riser (1.3) of the second fixing structure, and the other end is hinged with the other end of the grab rail (2.3), so that the first supporting rod (2.1), the second supporting rod (2.2), the grab rail (2.3) and the bed frame (3) form a four-bar mechanism; a locking structure (5) is arranged between the first supporting rod (2.1) and the first fixing structure and/or between the second supporting rod (2.2) and the second fixing structure, and the locking structure (5) is used for fixing the four-bar linkage so as to realize a supporting function after the four-bar linkage is unfolded.

3. The handrail according to claim 2, characterized in that the locking structure (5) comprises a fixing plate (5.1) and a second fastening member (5.2), the second fastening member (5.2) is of a bolt structure, the fixing plate (5.1) is fixedly connected to the second supporting rod (2.2), and threaded holes for the second fastening member (5.2) to be screwed are formed in the fixing plate (5.1) and the first vertical plate (1.1) or the second vertical plate (1.3) of the second fixing structure.

4. A handrail according to claim 3, characterized in that the handrail body (2) further comprises a third support bar (2.4), one end of the third support bar (2.4) being hinged to the first support bar (2.1) and the other end being hinged to the second support bar (2.2), and the third support bar (2.4) being arranged parallel to the handrail bar (2.3).

5. The armrest as claimed in claim 1, characterized in that the first fastening members (1.4) are of a bolt structure, and that each of the first risers (1.1) is provided with a second threaded hole (6) for threaded engagement of the first fastening member (1.4), so that the first fastening member (1.4) fixedly connects the first riser (1.1) to the bed frame (3) through the second threaded hole (6).

6. The armrest as claimed in claim 1, characterized in that the vertical distance from the lower end of the first riser (1.1) to the transverse plate (1.2) is smaller than the vertical distance from the lower end of the second riser (1.3) to the transverse plate (1.2).