CN216364397U

CN216364397U - Handrail mounting structure

Info

Publication number: CN216364397U
Application number: CN202122277256.5U
Authority: CN
Inventors: 毛立; 孙杰; 沈杰; 陆翰南; 魏磊
Original assignee: Sunon Technology Co Ltd
Current assignee: Sunon Technology Co Ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-04-26
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a handrail mounting structure, which comprises a handrail body and a support which are detachably connected, wherein the handrail body is in plug-in fit with the support; the plug is provided with a first contact surface with a conical outer surface, and the slot is correspondingly provided with a second contact surface with a conical inner surface; after the plug is in inserting fit with the slot, the first contact surface is tightly attached to the second contact surface so that the handrail body is circumferentially fixed with the support; and the handrail body is fixedly connected with the support by screws. The first contact surface is attached to the second contact surface, the surface contact fit is adopted, the stress area is large, and the stress is dispersed, so that the structure of the joint of the handrail body and the support arm is stable, and the relative rotation of the handrail body and the support arm can be limited; therefore, the screw is only needed to be connected, and the disassembly and the assembly are more convenient.

Description

Handrail mounting structure

Technical Field

The utility model relates to the field of seats, in particular to an armrest mounting structure.

Background

The office chair is furniture necessary for daily household work, the left side and the right side of the existing office chair are respectively provided with two armrests, the armrests are approximately L-shaped, and the lower ends of the armrests are arranged at the bottom of the chair seat of the chair; the armrest mounting structure of the existing seat is mainly as follows: the bottom of the armrest is provided with at least two mounting holes, and the armrest is connected to the bottom end of the chair seat after passing through the mounting holes by screws, so that the armrest is tightly connected with the chair seat. In the connection structure, a single handrail can be stably connected only by adopting a plurality of screws to be connected and fixed with the chair seat, if only one screw is adopted, the handrail is easy to shake or rotate and deviate, and the connection can be stably realized only by connecting a plurality of screws; this results in inconvenience in mounting and dismounting the armrest.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide the handrail mounting structure which is ingenious in design and simple in structure, the handrail body and the support are in inserted fit with the slot through the plug, the plug is provided with the first contact surface which is a conical surface, and the slot is correspondingly provided with the second contact surface which is a conical surface; after the plug is inserted into the slot, the first contact surface and the second contact surface are tightly attached together, and the handrail body and the support are circumferentially fixed; therefore, the inserted handrail body and the support are stably connected, the handrail body and the support cannot deviate and shake, and then the handrail body and the support are connected and fixed only by connecting one screw; when guaranteeing that the structure is firm for the installation is dismantled more swiftly.

The technical scheme of the utility model is realized as follows:

an armrest mounting structure characterized in that: the handrail device comprises a handrail body and a support which are detachably connected, wherein the handrail body is in plug-in fit with the support, one of the handrail body or the support is provided with a plug which protrudes outwards, and the other of the handrail body or the mounting seat is correspondingly provided with a slot; the plug is provided with a first contact surface with a conical outer surface, and the slot is correspondingly provided with a second contact surface with a conical inner surface; after the plug is in inserting fit with the slot, the first contact surface is tightly attached to the second contact surface so that the handrail body is circumferentially fixed with the support; and the handrail body is fixedly connected with the support by screws.

Preferably, the lower end of the armrest body is provided with a connecting arm which horizontally extends towards the direction of the support, and the plug is arranged on the side end face of the connecting arm; the slots are correspondingly arranged in the support.

Preferably, the plug has an elliptical longitudinal cross-sectional shape. If the longitudinal section of the plug is circular, the plug can still rotate and shift in the slot, which can cause unstable connection; the oval configuration enables the plug to be locked within the slot.

Preferably, the longitudinal section area of the plug is gradually reduced from the root of the plug to the direction of the support; the opening of the slot is gradually reduced from the opening of the slot to the inner direction of the slot. The plug and the slot are convenient to insert and connect and are more compact.

Preferably, the support seat is provided with a long-strip-shaped support arm, and the support arm is configured to be installed in a butt joint mode with the connecting arm; the slots are correspondingly arranged on the side end faces of the support arms.

Preferably, the side end surface of the connecting arm is contoured to the side end surface of the arm. After the plug is inserted into the slot, the connecting arm is in butt joint with the supporting arm, the connecting position of the connecting arm and the supporting arm is smoothly attached, and the connecting position is simple and attractive.

Preferably, the support is connected with the armrest body through a screw. Only one screw needs to be connected, so that the installation steps are saved, and the installation and the disassembly are rapid and convenient.

Preferably, an avoiding groove for avoiding the screw is arranged at the position, close to the slot, of the support, and a connecting hole penetrating through the slot is formed in the avoiding groove. The screw is hidden in the support after the installation, the connecting trace can be hidden, and the structure is simpler and more attractive.

Preferably, the plug is correspondingly provided with a mounting hole at the central position close to the support end; the screw passes through the connecting hole and is in threaded connection with the mounting hole.

The design starting point, the idea and the beneficial effects of the utility model adopting the technical scheme are as follows:

firstly, according to the handrail mounting structure, the handrail body and the support are in plug-in fit with the slot through the plug, so that the plug-in is convenient; the plug is provided with a first contact surface with a conical surface, and the slot is correspondingly provided with a second contact surface with a conical surface; the longitudinal section of the plug is oval, after the plug is inserted into the slot, the first contact surface and the second contact surface are tightly attached together, and the plug and the slot are relatively fixed, so that the handrail body and the support are circumferentially fixed; therefore, the inserted handrail body and the support are stably connected, and the handrail body and the support cannot deviate and shake; then only one screw is needed to be connected and fixed; when guaranteeing that the structure is firm for the installation is dismantled more swiftly.

Secondly, after the plug is inserted into the slot, the first contact surface is attached to the second contact surface; the surface contact fit is adopted, the contact area is large, and the stress can be dispersed, so that the structure of the joint of the handrail body and the support is stable; the locking can be effectively realized through one screw.

Moreover, the screw is connected in the plug from the inside of the support, and the screw is hidden in the support, so that connecting traces can be hidden; the structure of the installed handrail body is simple and beautiful.

Drawings

FIG. 1 is a schematic perspective view of an armrest body mounted on a seat in an embodiment of the present invention;

FIG. 2 is a schematic perspective view of an armrest body coupled to a seat according to an embodiment of the present invention;

FIG. 3 is a schematic perspective view of an embodiment of the present invention illustrating the installation of the armrest body and the support;

FIG. 4 is a schematic perspective view of an embodiment of the present invention illustrating a connection and engagement between the armrest body and the support;

fig. 5 is a schematic perspective view of another angle for connecting and matching the armrest body and the support according to the embodiment of the utility model.

The figures are numbered: a handrail body 1; a support 2; a plug 3; a slot 4; a first contact surface 5; a second contact surface 6; a screw 7; a connecting arm 8; a support arm 9; an avoidance slot 10; a connecting hole 11; and a mounting hole 12.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, the term "at least one" means one or more than one unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The specific embodiment of the utility model is as follows:

as shown in fig. 1 to 5, the present invention provides an armrest mounting structure, which comprises an armrest body 1 and a support 2, which are detachably connected; the handrail body 1 is in inserting fit with the support 2, the handrail body 1 is provided with a plug 3 protruding outwards, and the support 2 is correspondingly provided with a slot 4 capable of being in inserting fit with the plug 3; the plug 3 is provided with a first contact surface 5 which is in contact fit with the slot 4, the slot 4 is correspondingly provided with a second contact surface 6 which is in contact fit with the plug 3, and the first contact surface 5 and the second contact surface 6 are both conical surfaces; after the plug 3 is in inserted fit with the slot 4, the first contact surface 5 and the second contact surface 6 are tightly attached together, so that the handrail body 1 and the support 2 are circumferentially fixed; then the handrail body 1 is fixedly connected with the support 2 by a screw 7, and the screw 7 is arranged in the slot 4 and the plug 3 in a penetrating way to limit the handrail body 1 to be separated from the support 2; by adopting the mounting structure, the first contact surface 5 and the second contact surface 6 are both conical surfaces, so that after the plug 3 is inserted into the slot 4, the handrail body 1 is tightly matched with the support 2, and the phenomenon of offset rotation can not occur; so that only one screw 7 is needed for connection; the connection is very convenient and fast while the connection is ensured to be stable.

As shown in fig. 3-5, the lower end of the armrest body 1 has a connecting arm 8 extending horizontally toward the support 2, and the plug 3 is disposed on the end surface of the connecting arm 8 close to the support 2 and protrudes outward from the connecting arm 8; from the root of the plug 3 to the direction of the support 2, the longitudinal section area of the plug 3 is gradually reduced, and the longitudinal section of the plug 3 is oval, so that the plug 3 cannot rotate in the slot 4 after the plug 3 is inserted into the slot 4; if the longitudinal cross-sectional shape of the plug 3 is circular, the plug 3 can still be rotationally displaced within the socket 4, which can lead to an unstable connection.

The support 2 is configured to be fixedly connected with a seat of the chair, the support 2 is provided with elongated support arms 9 which are respectively positioned at the left side and the right side, and the support arms 9 are configured to be in butt joint with the connecting arms 8; specifically, the slot 4 is correspondingly arranged on the side end surface of the support arm 9 close to the armrest body 1, and the opening of the slot 4 gradually decreases from the opening of the slot 4 to the inner direction of the slot; the first contact surface 5 is the outer surface of the plug 3, the second contact surface 6 is the inner wall surface of the slot 4, and the first contact surface 5 is matched with the second contact surface 6 in contour; during installation, the plug 3 is directly inserted into the slot 4, so that the armrest body 1 and the support 2 are assembled, and the first contact surface 5 and the second contact surface 6 are tightly attached together, so that the armrest body 1 and the support 2 are circumferentially fixed. In addition, as shown in fig. 3, the side end surface of the connecting arm 8 is matched with the side end surface of the supporting arm 9 in contour, after the plug 3 is plugged into the slot 4, the connecting arm 8 is butted with the supporting arm 9, and the joint of the connecting arm 8 and the supporting arm 9 is smoothly attached, so that the joint is simple and attractive.

Further, the following steps are carried out: as shown in fig. 3-5, an avoiding groove 10 for avoiding connection of the screw 7 is provided at a position of the support arm 9 close to the slot 4, a connecting hole 11 penetrating through the slot 4 is provided in the avoiding groove 10, and a mounting hole 12 having an internal thread is correspondingly provided at an end of the plug 3; during the installation, screw 7 gets into dodges groove 10 and wears to establish in connecting hole 11 and slot 4, then makes screw 7 threaded connection in mounting hole 12, makes handrail body 1 and support 2 link together firmly then. The screws 7 are hidden in the support arms 9 after being connected, so that connecting traces can be hidden, the structure is simpler and more attractive, and the modern aesthetic requirements are met; the plug 3 is inserted in the slot 4, the first contact surface 5 is attached to the second contact surface 6, surface contact fit is adopted, the stress area is large, and stress is dispersed, so that the structure of the joint of the handrail body 1 and the support arm 9 is stable; therefore, only one screw 7 is needed for connection, and the disassembly and the assembly are more convenient.

Claims

1. An armrest mounting structure characterized in that: the handrail device comprises a handrail body and a support which are detachably connected, wherein the handrail body is in plug-in fit with the support, one of the handrail body or the support is provided with a plug which protrudes outwards, and the other of the handrail body or the mounting seat is correspondingly provided with a slot; the plug is provided with a first contact surface with a conical outer surface, and the slot is correspondingly provided with a second contact surface with a conical inner surface; after the plug is in inserting fit with the slot, the first contact surface is tightly attached to the second contact surface so that the handrail body is circumferentially fixed with the support; and the handrail body is fixedly connected with the support by screws.

2. The handrail mounting structure of claim 1, wherein: the lower end of the handrail body is provided with a connecting arm which horizontally extends towards the direction of the support, and the plug is arranged on the side end surface of the connecting arm; the slots are correspondingly arranged in the support.

3. The handrail mounting structure of claim 1, wherein: the longitudinal section of the plug is oval.

4. The handrail mounting structure of claim 2, wherein: the longitudinal section area of the plug is gradually reduced from the root of the plug to the direction of the support; the opening of the slot is gradually reduced from the opening of the slot to the inner direction of the slot.

5. The handrail mounting structure of claim 2, wherein: the support is provided with a long strip-shaped support arm, and the support arm is configured to be installed in a butt joint mode with the connecting arm; the slots are correspondingly arranged on the side end faces of the support arms.

6. The armrest mounting structure according to claim 5, wherein: the side end surface of the connecting arm is matched with the side end surface of the support arm in contour.

7. The handrail mounting structure of claim 1, wherein: the support and the handrail body are connected by a screw.

8. The armrest mounting structure according to claim 7, wherein: an avoiding groove for avoiding the screw is arranged at the position, close to the slot, of the support, and a connecting hole penetrating through the slot is formed in the avoiding groove.

9. The armrest mounting structure according to claim 8, wherein: the plug is correspondingly provided with a mounting hole at the central position close to the support end; the screw passes through the connecting hole and is in threaded connection with the mounting hole.