CN220842527U

CN220842527U - Carriage door edge handrail

Info

Publication number: CN220842527U
Application number: CN202322450367.0U
Authority: CN
Inventors: 张运宏; 陈枫; 周银妹; 丁静; 胡锦骊
Original assignee: Changzhou Changqing Technology Co ltd
Current assignee: Changzhou Changqing Technology Co ltd
Priority date: 2023-09-09
Filing date: 2023-09-09
Publication date: 2024-04-26
Anticipated expiration: 2033-09-09

Abstract

The utility model discloses a carriage door edge handrail, which is characterized in that: comprises a handrail component, a ground plug component and a locking component. The armrest assembly comprises an armrest upright post, an upper connecting rod and a lower connecting rod. The armrest upright post is arranged on the side wall of the carriage in parallel and revolute mode through the rotating points of the upper connecting rod and the lower connecting rod on the side wall of the carriage. The lower end of the armrest upright post is provided with a connecting jack with a downward opening. The ground plug assembly comprises a ground socket, a ground plug cover and a vertical rod plug-in column. The ground socket is fixedly arranged on the floor of the carriage and is provided with an upward-opening plug hole. The ground plug cover is fixedly arranged on the ground socket in a screwing way, and the vertical rod plug post is vertically and fixedly arranged in a plug hole of the ground socket. The lower end of the armrest upright post is mutually spliced and matched with the ground socket and the upright post splicing column. The locking assembly includes a link clasp. The connecting rod buckle is fixedly arranged on the side wall of the carriage, and the upper connecting rod is fixedly connected to the connecting rod buckle in a clamping way.

Description

Carriage door edge handrail

Technical Field

The utility model relates to the technical field of rail transit, in particular to a door edge handrail used at a carriage gate.

Background

In public transportation means such as buses, subways, trains and the like, corresponding handrails are arranged for facilitating passengers at the gate to get on or off the bus. The Chinese patent document CN204801785U discloses a door side stand column and a mounting interface of a door side handrail, which comprises the door side handrail, the door side stand column, at least two mounting seats and a vehicle body stand column, wherein two sides of the door side handrail are respectively provided with one side edge, and the front end of the door side stand column is clamped in the two side edges of the door side handrail and is fixedly connected with the side edges of the door side handrail through bolts to form a whole; one end of each mounting seat is fixedly connected with the vehicle body upright post through a bolt; the other end of each mounting seat is fixedly connected with the side edge of the door edge handrail through bolts. The door side stand column and the door side handrail are combined into a whole through the installation interface, when the door side stand column and the door side handrail are installed, the whole structure is only required to be connected and fixed with the installation seat, the structure can leave sufficient operation space, the installation is convenient and simple, meanwhile, the maintenance and the overhaul of the vehicle door can be realized only by disassembling the whole structure, and the door side stand column and the door side handrail are not required to be disassembled repeatedly and independently. The chinese patent document CN211642182U discloses a handrail structure for subway, which is to ensure the installation firmness of the handrail main body 1, and the installation plugs 2 are embedded into the two ports of the handrail main body 1, and embedded welding is adopted, that is, along the welding grooves of the installation plugs 2, the two ports of the handrail main body 1 are firmly welded with the installation plugs 2, and then the installation holes 3 are drilled, compared with the technology of welding the precision casting joint with the outer wall of the handrail main body pipe adopted in the prior art, the welding deformation caused by the embedded welding technology adopted by the utility model is relatively small, and the reliability is greatly increased. The two handrail structures are both fixed structures and are fixedly arranged near a carriage door, so that passengers can conveniently use the handrail, the handrails are all arranged at the upper position of the carriage, and the handrails are all arranged as close to the carriage wall as possible so as not to influence the boarding and disembarking of the carriage. These armrests are used by passengers, and it is known that the ground of the existing subway platform or train platform is basically level with the floor of the carriage, but when the vehicle leaves the platform, the floor of the carriage is far higher than the ground where the rail is located, and at this time, drivers or maintenance staff can get on or off the vehicle, which results in the difficulty of using the armrests.

Disclosure of utility model

The utility model aims to provide a carriage door edge handrail for drivers or overhaulers after a train or subway leaves a platform.

The basic technical scheme for realizing the aim of the utility model is as follows: the carriage door edge handrail is structurally characterized in that: comprises a handrail component, a ground plug component and a locking component.

The armrest assembly comprises an armrest upright post, an upper connecting rod and a lower connecting rod. The armrest upright post is arranged on the side wall of the carriage in parallel and revolute mode through the rotating points of the upper connecting rod and the lower connecting rod on the side wall of the carriage. The lower end of the armrest upright post is provided with a connecting jack with a downward opening.

The ground plug assembly comprises a ground socket, a ground plug cover and a vertical rod plug-in column. The ground socket is fixedly arranged on the floor of the carriage and is provided with an upward-opening plug hole. The ground plug cover is fixedly arranged on the ground socket in a screwing way, and the vertical rod plug post is vertically and fixedly arranged in a plug hole of the ground socket. The lower end of the armrest upright post is mutually spliced and matched with the ground socket and the upright post splicing column.

The locking assembly includes a link clasp. The connecting rod buckle is fixedly arranged on the side wall of the carriage, and the upper connecting rod is fixedly connected to the connecting rod buckle in a clamping way.

Further, in order to prevent the plug hole of the ground socket from being blocked by the garbage, the ground socket assembly further comprises a dust cover and a compression spring. The section of the vertical rod splicing column along the axial direction is T-shaped. The dust cover is arranged on the lower part of the vertical rod inserting column in a sliding way along the vertical direction, and the upper part of the dust cover is matched with the upper part of the vertical rod inserting column to seal the upper part of the inserting hole. The upper part of the vertical rod plug-in column is used for limiting and fixing the dust cover on the axis, and the compression spring is arranged in the plug-in hole of the ground socket to push the dust cover upwards.

Furthermore, in order to improve the safety of use, prevent that ordinary passenger from pulling open the handrail, the car lateral wall right side is close to door department and is equipped with handrail recess. The armrest upright post, the upper connecting rod and the lower connecting rod are accommodated in the armrest groove. The lower end of the armrest upright post is provided with a lock tongue clamping groove with an opening right and downward, and the lower part of the lock tongue clamping groove is communicated with the connecting jack. The locking assembly also includes a post lock. The upright post lock is matched with the lock tongue clamping groove at the lower end of the armrest upright post to lock the armrest upright post in the armrest groove.

The utility model has the following beneficial effects: (1) The carriage door edge handrail disclosed by the utility model is simple in structure, is stored in the side wall of the carriage when not in use, and does not influence the getting on or off of common passengers. When a driver or an maintainer needs to use, the vehicle is unlocked through the corresponding square keys at the four corners, and then the handrail upright post can be inserted and fixed on the floor of the carriage, so that the vehicle is convenient to use, and the handrail upright post can be also arranged on the ground outside the carriage. (2) According to the utility model, the inner four-corner square opening key is required to unlock, and a common passenger cannot unfold the key, so that the use safety is greatly improved, and the situation that a person unfolds the handrail by mistake to cause channel congestion is avoided. (3) The ground plug assembly is provided with the dust cover, so that garbage can be prevented from blocking the plug holes, and the use reliability is improved.

Drawings

Fig. 1 is a schematic view of a car door edge armrest in a storage state according to the present utility model.

Fig. 2 is a right-side view of fig. 1.

Fig. 3 is a schematic view as seen from the upper left front of fig. 1.

Fig. 4 is a schematic view as seen from the lower right rear of fig. 1.

Fig. 5 is a schematic view of the cabin door edge armrest of the present utility model in an unfolded state.

Fig. 6 is a right side view of fig. 5.

Fig. 7 is a schematic view as seen from the upper right front of fig. 5.

Fig. 8 is a schematic view as seen from the lower right rear of fig. 5.

Fig. 9 is a schematic view of a handrail post.

Fig. 10 is a schematic view of a ground engaging assembly.

FIG. 11 is a schematic cross-sectional view of A-A in FIG. 9.

The reference numerals in the drawings are:

The armrest component 1, the armrest upright post 11, the connecting jack 11-1, the lock tongue clamping groove 11-2, the upper connecting rod 12, the lower connecting rod 13,

Ground plug assembly 2, ground socket 21, plug hole 21-1, ground plug cover 22, vertical rod plug post 23, dust cap 24, compression spring 25,

A locking component 3, a column lock 31, a lock body 31-1, a lock cylinder 31-2, a square head 31-21, a lock tongue 31-3, a connecting rod buckle 32,

The side wall 10-1 of the compartment, the handrail groove 10-11, the tongue groove 10-111 and the floor 10-2 of the compartment.

Detailed Description

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings. The description of the azimuth of the present utility model is performed according to the azimuth shown in fig. 1, that is, the up-down-left-right direction shown in fig. 1 is the up-down-left-right direction of the description, the direction facing in fig. 1 is the front, and the direction facing away from fig. 1 is the rear. The terms "upper", "lower", "inner", "outer", and the like indicate an orientation or positional relationship based on the positional relationship described in the drawings, and are merely for convenience of description of the present utility model or to simplify description, not to indicate a specific orientation that must be possessed.

Example 1

Referring to fig. 1 to 11, the cabin door edge armrest of the present utility model includes an armrest assembly 1, a ground insert assembly 2, and a locking assembly 3.

Referring to fig. 1 to 9, the armrest assembly 1 includes an armrest upright 11, an upper link 12, and a lower link 13. The right side of the compartment side wall 10-1 is provided with an armrest groove 10-11 near the vehicle door. One end of the upper connecting rod 12 is hinged on the side wall 10-1 of the carriage and is positioned on the upper part of the handrail groove 10-11, and the other end is hinged on the upper part of the handrail upright post 11; one end of the lower connecting rod 13 is hinged on the side wall 10-1 of the carriage and is positioned on the lower part of the handrail groove 10-11, and the other end is hinged on the middle part of the handrail upright post 11. The armrest upright 11 is thus arranged on the cabin side wall by means of parallel revolution of the rotation points of the upper and lower links 12, 13 on the cabin side wall. The lower end of the armrest upright post 11 is provided with a connecting jack 11-1 with a downward opening, the lower end of the armrest upright post 11 is provided with a lock tongue clamping groove 11-2 with a rightward and downward opening, and the lower part of the lock tongue clamping groove 11-2 is communicated with the connecting jack 11-1. The upper link 12 and the lower link 13 are received in the handrail recess 10-11 while being rotated upward, and the handrail upright 11 is received in the handrail recess 10-11 together. The lower part of the handrail groove 10-11 is provided with a bolt groove 10-111 which penetrates the inside and outside.

Referring to fig. 1 to 11, the ground socket assembly 2 includes a ground socket 21, a ground socket cover 22, a vertical rod socket post 23, a dust cover 24, and a compression spring 25.

The ground socket 21 is fixedly arranged on the carriage floor 10-2, and the ground socket 21 is provided with an upward opening plug hole 21-1. The floor plug 22 is fixedly arranged on the floor socket 21 in a screwing way, and the upper surface of the floor plug is level with the upper surface of the carriage floor 10-2. The vertical pole plug-in posts 23 are vertically and fixedly arranged in plug-in holes 21-1 of the ground socket 21, and the upper surfaces of the vertical pole plug-in posts are leveled with the upper surface of the carriage floor 10-2. The cross-section of the pole plug-in post 23 along the axial direction is T-shaped. The dust cap 24 is slidably disposed on the lower portion of the pole plug 23 in the up-down direction, and the upper portion thereof is matched with the upper portion of the pole plug 23 to seal the upper portion of the plug hole 21-1. The upper part of the upright post inserting column 23 is used for limiting and fixing the dust cover 24 on the axis, and the compression spring 25 is arranged in the inserting hole 21-1 of the ground socket 21 to push the dust cover 24 upwards.

Referring to fig. 1 to 8, the locking assembly 3 includes a column lock 31 and a link clasp 32. The column lock 31 includes a lock body 31-1, a lock cylinder 31-2, and a lock tongue 31-3. The lock body 31-1 is fixedly arranged on the side wall 10-1 of the carriage and is positioned below the handrail groove 10-11, the lock cylinder 31-2 is rotatably arranged in the lock body 31-1, the square head 31-21 is arranged at the front end of the lock cylinder 31-2, the square head 31-21 is matched with an inner four-corner square opening key, and the inner four-corner square opening key is a common tool key on a railway train high-speed rail in the prior art. The lock tongue 31-3 is fixedly arranged at the rear end of the lock cylinder 31-2 and is matched with the lock tongue clamping groove 11-2 of the armrest upright post 11.

The connecting rod buckle 32 is fixedly arranged on the side wall 10-1 of the carriage and is positioned at the upper part of the handrail groove 10-11 and used for elastically clamping and fixing the upper connecting rod 12, when the upper connecting rod 12 and the lower connecting rod 13 are upwards rotated and accommodated in the handrail groove 10-11, the corresponding parts of the upper connecting rod 12 are clamped into the connecting rod buckle 32 and are clamped and fixed by the connecting rod buckle 32, so that the upper connecting rod 12 is kept in a vertical state, namely the handrail upright post 11 is fixed in the handrail groove 10-11.

Referring to fig. 3 and 7, when the car door side armrest of the present utility model is used, in the storage state, the upper link 12 and the lower link 13 are rotated upwards to be stored in the armrest groove 10-11, and at the same time, the armrest upright 11 is stored upwards in the armrest groove 10-11, the link buckle 32 is used for clamping and fixing the upper link 12, and the lock tongue 31-3 of the upright lock 31 of the locking assembly 3 is rotated into the lock tongue clamping groove 11-2 of the armrest upright 11, so that the armrest upright 11 is locked in the armrest groove 10-11, and an average passenger cannot unfold the armrest upright 11. When the driver drives off the platform, the driver inserts the square head 31-21 at the front end of the lock cylinder 31-2 through the key at the four inner corners, then rotates the lock cylinder 31-2 to drive the lock tongue 31-3 to rotate to the horizontal position from vertical to leave the handrail groove 10-11 of the handrail upright 11, then pulls the handrail upright 11 downwards forwards to separate the upper connecting rod 12 from the connecting rod buckle 32, rotates the upper connecting rod 12 and the lower connecting rod 13 downwards forwards to drive the handrail upright 11 to move downwards, and continuously downwards inserts the lower end of the handrail upright 11 into the inserting hole 21-1 of the ground socket 21 when the lower end of the handrail upright 11 moves above the upright inserting post 23 of the ground inserting assembly 2, and simultaneously the upright inserting post 23 is inserted into the connecting inserting hole 11-1 of the handrail upright 11 to form inserting fit with each other, so that the dust cover 24 is correspondingly pressed down. After the hand rail is inserted, a driver can hold the hand rail upright post 11, and get on or off the vehicle conveniently.

While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.

Claims

1. The utility model provides a carriage door limit handrail which characterized in that: comprises a handrail component (1), a ground plug component (2) and a locking component (3);

The armrest assembly (1) comprises an armrest upright post (11), an upper connecting rod (12) and a lower connecting rod (13); the armrest upright post (11) is arranged on the side wall (10-1) of the carriage in parallel and revolute mode through the rotating points of the upper connecting rod (12) and the lower connecting rod (13) on the side wall (10-1) of the carriage; the lower end of the armrest upright post (11) is provided with a connecting jack (11-1) with a downward opening;

The ground plug assembly (2) comprises a ground socket (21), a ground plug cover (22) and a vertical rod plug-in column (23); the ground socket (21) is fixedly arranged on the carriage floor (10-2), and the ground socket (21) is provided with an upward-opening plug hole (21-1); the ground plug cover (22) is fixedly arranged on the ground socket (21) in a screwing way, and the vertical rod plug posts (23) are vertically and fixedly arranged in plug holes (21-1) of the ground socket (21); the lower end of the armrest upright post (11) is mutually spliced and matched with the ground socket (21) and the upright post splicing post (23);

The locking assembly (3) comprises a connecting rod buckle (32); the connecting rod buckle (32) is fixedly arranged on the side wall (10-1) of the carriage, and the upper connecting rod (12) is fixedly connected to the connecting rod buckle (32) in a clamping way.

2. The cabin door edge armrest according to claim 1, wherein: the ground plug assembly (2) further comprises a dust cover (24) and a compression spring (25); the section of the vertical rod splicing column (23) along the axial direction is T-shaped; the dust cover (24) is arranged on the lower part of the vertical rod inserting column (23) in a sliding way along the up-down direction, and the upper part of the dust cover is matched with the upper part of the vertical rod inserting column (23) to seal the upper part of the inserting hole (21-1); the upper part of the vertical rod inserting column (23) is used for limiting and fixing the dust cover (24) on the axis, and the compression spring (25) is arranged in the inserting hole (21-1) of the ground socket (21) to push the dust cover (24) upwards.

3. The cabin door edge armrest according to claim 1, wherein: the right side of the carriage side wall (10-1) is provided with a handrail groove (10-11) near the vehicle door; the handrail upright post (11), the upper connecting rod (12) and the lower connecting rod (13) are accommodated in the handrail groove (10-11); the lower end of the armrest upright post (11) is provided with a lock tongue clamping groove (11-2) with an opening right and downward, and the lower part of the lock tongue clamping groove (11-2) is communicated with a connecting jack (11-1); the locking assembly (3) further comprises a column lock (31); the upright post lock (31) is matched with a lock tongue clamping groove (11-2) at the lower end of the armrest upright post (11) to lock the armrest upright post (11) in the armrest groove (10-11).