CN212685349U

CN212685349U - Chair armrest turnover table top

Info

Publication number: CN212685349U
Application number: CN202022308808.XU
Authority: CN
Inventors: 陈汉阳
Original assignee: Changshu Hanhua Machinery Co ltd
Current assignee: Changshu Hanhua Machinery Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-03-12
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a chair armrest upset desktop. The turnover desktop comprises a shell, wherein a mounting shaft is mounted on the side surface of the shell, an inner cavity with an opening at the top is formed in the shell, one end of a rotating mechanism is movably mounted at the front end of the inner cavity, and the other end of the rotating mechanism is connected with a folding desktop; the foldable desktop comprises three desk plates capable of being mutually folded, and the foldable desktop can be folded and stored in the inner cavity or extend out of the inner cavity, and the desk plates are horizontally arranged side by side. The utility model provides a seat armrest upset desktop will overturn and install in a casing with the folding desktop that expandes, can not only accomodate the protection to folding desktop, guaranteed simultaneously that folding desktop has sufficient area size in order to satisfy passenger's user demand.

Description

Chair armrest turnover table top

Technical Field

The utility model relates to the technical field of vehicles, in particular to armrest upset desktop.

Background

Nowadays, high-speed rail cars and some high-grade vehicles are often provided with armrest tables, i.e. tables which are mounted at the armrests and can be turned over to the front of the seat through a rotating shaft, so as to facilitate the use of passengers. The existing seat armrest table is generally characterized in that a table board is directly arranged on the peripheral side surface of an armrest, so that the existing seat armrest table is easily damaged by external force and often brings inconvenience to the movement of passengers; if a protective shell is arranged outside the desk plate, the size of the desk plate is limited by the size of the shell, and the use requirements of passengers cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a chair armrest turnover desktop.

According to one aspect of the utility model, a chair armrest turnover desktop is provided, which comprises a shell, wherein a mounting shaft is arranged on the side surface of the shell, an inner cavity with an open top is formed inside the shell, one end of a rotating mechanism is movably arranged at the front end of the inner cavity, and the other end of the rotating mechanism is connected with a folding desktop; the foldable desktop comprises three desk plates capable of being mutually folded, and the foldable desktop can be folded and stored in the inner cavity or extend out of the inner cavity, and the desk plates are horizontally arranged side by side.

The utility model provides a seat armrest upset desktop will overturn and install in a casing with the folding desktop that expandes, can not only accomodate the protection to folding desktop, guaranteed simultaneously that folding desktop has sufficient area size in order to satisfy passenger's user demand.

In some embodiments, the top of the housing is provided with a top cover, one side of the top cover is mounted on the housing, the other side of the top cover can be opened and closed and is provided with a control button. The provision of the cover thus enables the housing to be closed off, thereby protecting the interior and the folding table top which may be present therein.

In some embodiments, the top of the housing is further provided with a side cover capable of opening and closing, and the side cover is located above one end of the inner cavity where the rotating mechanism is located. Thus, the side cover can be arranged independently, so that the rotating mechanism can be protected when being stored, and the top cover can be closed when being unfolded.

In some embodiments, the inner cavity is provided with side backing plates on both sides and a bottom backing plate at the bottom. The internal cavity and the mechanisms therein are thus supported and protected by the side and bottom bolster plates.

In some embodiments, a fixing seat is installed at the rear end of the inner cavity, and the fixing seat is connected with the mounting shaft. From this, set up the connected mode of installation axle, can all install the casing and even whole device on the armrest through the installation axle.

In some embodiments, the rotating mechanism includes a mounting member and a supporting member movably connected to each other, the mounting member is movably installed in the inner cavity and has a gear and a torsion spring inside, and the top end of the supporting member is connected to the folding table top. Thus, the structure and the installation mode of the rotating mechanism are provided.

In some embodiments, the front end of the inner cavity has two lower connectors and the bottom end of the support has two upper connectors; the bottom end of the mounting piece is movably mounted between the two lower connecting pieces, the top end of the mounting piece is movably mounted between the two upper connecting pieces, and the mounting piece (31), the lower connecting pieces and the upper connecting pieces can jointly realize variable-radius circular motion. Therefore, the specific structure and the installation mode of the rotating mechanism are further arranged.

In some embodiments, the top of the lower connector and the bottom of the upper connector are formed with protruding catches and engage with each other. Therefore, the stability of the rotating structure can be improved by forming the clamping block for clamping.

In some embodiments, a supporting plate is movably connected to the top end of the supporting member, and the folding table top is slidably mounted on the supporting plate; the supporting piece and the supporting plate are provided with rotary damping at the joint, and a plurality of damping blocks are mounted inside the supporting plate. From this, can support and adjust folding desktop through setting up the backup pad.

In some embodiments, the tables are connected by a plurality of hinges, and a damping block is installed inside each hinge. Therefore, the flexibility and the stability of the mutual connection between the table plates can be guaranteed through the hinges.

Drawings

Fig. 1 is a schematic view of a storage structure of a seat armrest turnover table top according to an embodiment of the present invention;

FIG. 2 is a schematic view of the unfolded configuration of the reversible table top of the armrest of FIG. 1;

FIG. 3 is a schematic view of the interior of the tabletop of the armrest of FIG. 2;

FIG. 4 is a schematic view of a portion of the table top of the armrest shown in FIG. 3;

fig. 5 is a schematic structural view of the rotating mechanism and the folding table top shown in fig. 2.

In the figure: casing 1, inner chamber 2, slewing mechanism 3, folding desktop 4, fixture block 5, installation axle 11, top cap 12, control button 13, side cap 14, side backing plate 21, backing plate 22, fixing base 23, lower connecting piece 24, installed part 31, support piece 32, upper connecting piece 33, table 41, backup pad 42, hinge 43.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 schematically shows a structure of a seat armrest turnover table top after being stored according to an embodiment of the present invention, fig. 2 shows a structure of the seat armrest turnover table top in fig. 1 after being unfolded, fig. 3 shows an internal structure of the seat armrest turnover table top in fig. 2 after a side case is removed, fig. 4 shows a part of the structure of the seat armrest turnover table top in fig. 3, and fig. 5 shows a structure of a rotating mechanism and a folding table top in fig. 2. As shown in fig. 1-5, the flip top comprises a housing 1, and other major mechanisms, including a rotating mechanism 3 and a folding top 4, are mounted on the housing 1. Wherein, the inside of casing 1 is formed with an open-top's inner chamber 2, and slewing mechanism 3's wherein one end (establishing to the bottom) movable mounting is in inner chamber 2's wherein one end (establishing to the front end), and folding desktop 4 is then movable mounting in slewing mechanism 3's the other end (establishing to the top), and slewing mechanism 3 and folding desktop 4 homoenergetic are out of shape and are accomodate the inside of casing 1.

In addition, an installation shaft 11 is installed at the other end (rear end) of the inner cavity 2 on the housing 1, specifically, a fixed seat 23 is installed at the rear end of the inner cavity 2, the fixed seat 23 is connected with one end of the installation shaft 11, the other end of the installation shaft 11 extends out of the housing 1, and the housing 1 and thus the whole mechanism can be installed on the seat armrest through the installation shaft 11.

Preferably, side pads 21 are installed on both sides of the inner cavity 2 connecting the front and rear ends, and a bottom pad 22 is installed on the bottom of the inner cavity 2. It can be seen that the side pad plates 21 and the base pad plates 22 are attached to the inner layer of the casing 1, thereby stabilizing the cavity 2.

Preferably, a top cover 12 is disposed on the top of the housing 1, one side of the top cover 12 is movably mounted on the housing 1 in a spring hinge manner, and the other side can be opened and closed. In addition, a control button 13 is installed on the side of the top cover 12 for opening and closing, and the top cover 12 can be opened and closed only when the control button 13 is pressed, otherwise, the top cover is locked.

It is further preferred that the top cover 12 does not cover the entire top of the housing 1, and a side cover 14 that is opened and closed independently from the top cover 12 is provided on the top of the end of the housing 1 where the rotating mechanism 3 is located in the cavity 2, i.e., the front end. When the rotating mechanism 3 and the folding table top 4 are rotated to the outside of the housing 1, only the side cover 14 can be opened, and the top cover 12 can be closed to protect the inner cavity 2.

The rotating mechanism 3 comprises a mounting member 31 and a supporting member 32, wherein the bottom end of the mounting member 31 is movably mounted in the inner cavity 2, the top end of the mounting member 31 is movably connected with the bottom end of the supporting member 32, and the top end of the supporting member 32 is connected with the folding table top 4.

Specifically, two lower connecting members 24 are provided at the front end of the inner chamber 2, and two upper connecting members 33 are provided at the bottom end of the supporting member 32, and the mounting member 31 is movably mounted at the bottom end between the two lower connecting members 24 and at the top end between the two upper connecting members 33. The mounting member 31 is provided therein with a plurality of gears and torsion springs, and forms a multi-gear variable amplitude trajectory motion joint together with each lower connecting member 24 and each upper connecting member 33, so as to perform variable radius circular motion, thereby improving the flexibility of the rotating mechanism 3.

Preferably, convex clamping blocks 5 are formed at the top of the lower connecting piece 24 and the bottom of the upper connecting piece 33, and the clamping blocks 5 can be clamped and limited mutually.

The foldable desktop 4 mainly comprises three tables 41 capable of being mutually folded, when the foldable desktop 4 is unfolded, the tables 41 are horizontally arranged side by side, the bottom surface of the table 41 in the middle is movably connected with the rotating mechanism 3 through a supporting plate 42, the supporting plate 42 extends horizontally and is internally provided with a plurality of damping blocks, the top end of the supporting piece 32 is connected with one end of the supporting plate 42, a rotary damping is arranged at the joint, and the table 41 is slidably mounted on the other end of the supporting plate 42 through a sliding rail and a sliding block. When the folding table top 4 is folded, the table plates 41 at the two sides are folded towards the table plate 41 folded to the middle, and then the folding table top can be stored in the inner cavity 2 along with the rotation of the rotating mechanism 3.

Preferably, each table board 41 is connected with at least two hinges 43 for convenient movement, and the damping blocks are arranged inside the hinges 43, so as to keep the stability while flexibly rotating.

The turnover table top is arranged on the side surface of the chair armrest, when in use, the top cover 12 and the side cover 14 are opened, the folding table top 4 is moved out and unfolded through the rotating mechanism 3, then the top cover 12 can be closed and the folding table top 4 can be used, and meanwhile, the table plate 41 of the folding table top 4 can also be subjected to sliding fine adjustment; when the folding table top is not used, the top cover 12 is opened, the folding table top 4 is folded and moved into the inner cavity 2, and the top cover 12 and the side covers 14 are closed, so that the folding table top 4 can be stored.

The utility model provides a seat armrest upset desktop will overturn and install in a casing 1 with the folding desktop 4 that expand, can not only accomodate the protection to folding desktop 4, guaranteed simultaneously that folding desktop 4 has sufficient area size in order to satisfy passenger's user demand.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a desktop that overturns of armrest which characterized in that: the foldable table comprises a shell (1), wherein a mounting shaft (11) is mounted on the side surface of the shell (1), an inner cavity (2) with an opening at the top is formed in the shell (1), one end of a rotating mechanism (3) is movably mounted at the front end of the inner cavity (2), and the other end of the rotating mechanism (3) is connected with a foldable table top (4); the folding table top (4) comprises three table plates (41) which can be folded mutually, the folding table top (4) can be folded and stored in the inner cavity (2) or extends out of the inner cavity (2), and the table plates (41) are horizontally arranged side by side.

2. A chair armrest turnover table top as claimed in claim 1, wherein: the top of the shell (1) is provided with a top cover (12), one side of the top cover (12) is installed on the shell (1), and the other side of the top cover can be opened and closed and is provided with a control button (13).

3. A chair armrest turnover table top as claimed in claim 2, wherein: the top of the shell (1) is also provided with a side cover (14) capable of being opened and closed, and the side cover (14) is positioned above one end, where the rotating mechanism (3) of the inner cavity (2) is positioned.

4. A chair armrest turnover table top as claimed in claim 1, wherein: side backing plates (21) are installed on two sides of the inner cavity (2), and bottom backing plates (22) are installed at the bottom of the inner cavity.

5. A chair armrest turnover table top as claimed in claim 1, wherein: a fixing seat (23) is installed at the rear end of the inner cavity (2), and the fixing seat (23) is connected with the mounting shaft (11).

6. A chair armrest turnover table top as claimed in claim 1, wherein: slewing mechanism (3) are including looks swing joint's an installed part (31) and a support piece (32), installed part (31) movable mounting in inner chamber (2) and its inside gear and torsional spring that is equipped with, the top of support piece (32) with folding desktop (4) are connected.

7. A chair armrest turnover table top as claimed in claim 6, wherein: the front end of the inner cavity (2) is provided with two lower connecting pieces (24), and the bottom end of the supporting piece (32) is provided with two upper connecting pieces (33); the bottom end of the mounting piece (31) is movably mounted between the two lower connecting pieces (24), the top end of the mounting piece is movably mounted between the two upper connecting pieces (33), and the mounting piece (31), the lower connecting pieces (24) and the upper connecting pieces (33) can perform variable-radius circular motion together.

8. A chair armrest flipping tabletop according to claim 7, wherein: the top of the lower connecting piece (24) and the bottom of the upper connecting piece (33) are both provided with protruding clamping blocks (5) and are mutually clamped.

9. A chair armrest flipping tabletop according to claim 7, wherein: the top end of the supporting piece (32) is movably connected with a supporting plate (42), and the folding table top (4) is slidably arranged on the supporting plate (42); wherein, the junction of support piece (32) with backup pad (42) is provided with rotary damping, the internally mounted of backup pad (42) has a plurality of damping pieces.

10. A chair armrest flipping tabletop according to any one of claims 1-9, wherein: the table plates (41) are connected through a plurality of hinges (43), wherein damping blocks are installed inside the hinges (43).