CN216002585U

CN216002585U - Novel handrail connection structure for urban railway vehicle

Info

Publication number: CN216002585U
Application number: CN202121954173.9U
Authority: CN
Inventors: 丰亚超; 贾旭; 崔爱娇; 周鑫弘
Original assignee: CRRC Changchun Railway Vehicles Co Ltd
Current assignee: CRRC Changchun Railway Vehicles Co Ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-03-11
Anticipated expiration: 2031-08-19

Abstract

The utility model provides a novel handrail connecting structure for an urban railway vehicle, which comprises a transverse handrail, upright handrail, a sliding block, a decorative block, a connecting screw and a stop, wherein the upper part of the upright handrail is connected with a vehicle roof, the lower part of the upright handrail is connected with a vehicle body underframe, the transverse handrail is positioned between the two upright handrails and is butted with a horizontal round pipe of the upright handrail, and the transverse handrail is arranged along the longitudinal direction of the vehicle, and the novel handrail connecting structure has the beneficial effects that: the rapid dismounting and mounting device can meet the requirement of rapid dismounting and mounting of the urban railway vehicle handrail and reduce labor cost on the premise of ensuring that the overall appearance of the handrail is not influenced; the slide block is used as a mandrel, so that the connection requirement of the handrail tube is met; meanwhile, the disassembly of the handrail tube is realized by utilizing the function that the sliding block can slide in the handrail tube; accords with the ergonomic design, is convenient for passengers to hold and improves the aesthetic property.

Description

Novel handrail connection structure for urban railway vehicle

Technical Field

The utility model relates to an equipment system in a rail transit vehicle, in particular to an armrest connecting structure for an urban railway vehicle.

Background

At present, the installation structure of the handrail transverse rod and the upright column applied to the field of urban rail vehicles generally adopts a tee joint, a four-way joint or a splicing connection mode, the tee joint and the four-way joint are poor in attractiveness due to the large appearance size, the splicing structure has the problem of inconvenience in installation and overhaul, and the problem of urgent need to be solved by researching the connection structure capable of realizing rapid disassembly and assembly of the handrail on the premise of not influencing the appearance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to design a handrail connecting structure capable of being quickly disassembled and assembled, which realizes the installation and connection of handrails through a sliding block hidden in a handrail pipe, thereby realizing the purpose of not influencing the appearance and solving the problem of inconvenient installation and disassembly of the handrails.

In order to achieve the purpose, the utility model provides a novel handrail connecting structure for an urban railway vehicle, which comprises a transverse handrail, upright handrail, a sliding block, a decoration block, a connecting screw and a stop block, wherein the upper part of the upright handrail is connected with a vehicle top plate, the lower part of the upright handrail is connected with a vehicle body underframe, the transverse handrail is positioned between the two upright handrail and is butted with a horizontal round pipe of the upright handrail, the transverse handrail is longitudinally arranged along the vehicle, one side of the transverse handrail, which is close to the upright handrail, is provided with a long strip hole, the upper surface of the upright handrail is provided with a through hole for installing the connecting screw, the stop block is arranged in the transverse handrail and is positioned at one side far away from the upright handrail, two sides of the sliding block respectively extend into the butt joint of the transverse handrail and the upright handrail round pipe, the decoration block is arranged in the long strip hole of the transverse handrail, the sliding block and the decoration block positioned at one side of the transverse handrail are fixed on the transverse handrail through the connecting screw, the sliding block positioned in one side of the upright post handrail is fixed on the upright post handrail through a connecting screw.

Furthermore, the cross section of the sliding block is in a ship shape, the bottom and the upper part of the sliding block are both planes, two circular arc bulges are arranged on the upper plane of the sliding block, and two round holes passing through the connecting screws are arranged on the upper plane of the sliding block.

Furthermore, the two arc-shaped convex surfaces and the front and rear side surfaces of the sliding block are respectively contacted with the inner walls of the upright handrail and the transverse handrail.

Furthermore, the length from the backstop to the butt joint of the transverse handrail and the circular tube of the handrail of the upright post is 2mm-3mm longer than that of the sliding block.

Furthermore, decorate the piece bottom and be the plane, decorate the piece and keep away from the side bottom of stand handrail and be equipped with the cavity, the one side that is close to the stand handrail is equipped with the counter bore, the counter bore be used for connecting the screw with the slider with decorate the piece and fix on horizontal handrail.

The utility model has the beneficial effects that:

1. the rapid dismounting and mounting device can meet the requirement of rapid dismounting and mounting of the urban railway vehicle handrail and reduce labor cost on the premise of ensuring that the overall appearance of the handrail is not influenced;

2. the slide block is used as a mandrel, so that the connection requirement of the handrail tube is met; meanwhile, the disassembly of the handrail tube is realized by utilizing the function that the sliding block can slide in the handrail tube;

3. the cross section of the sliding block is shaped like a boat, the bottom of the sliding block is designed to be a plane, the sliding block can play a role in directional rotation prevention, other surfaces of the sliding block are consistent with the shape of the inner wall of the handrail tube, the contact area is increased, and the mechanical property is better;

4. the stop is arranged inside the handrail tube, the length of the sliding block is reasonably set, and the sliding block is prevented from falling into the handrail tube and being incapable of being taken out in the dismounting process;

5. the handrail pipe is provided with a long hole in the length direction, and the tolerance of the handrail pipe is used for setting, so that the adjustment can be realized at the butt joint part of the handrail by increasing and decreasing the adjusting pad, and the attractiveness is improved;

6. the decorative block is arranged at the position of the long strip hole of the handrail tube, the bottom of the decorative block is a plane and matched with the sliding block in a modeling mode, the bottom of the decorative block is provided with a cavity, the decorative block is prevented from being taken out difficultly due to the fact that the decorative block and the sliding block are attached to each other too tightly due to atmospheric pressure, the exposed surface of the decorative block is consistent with the handrail tube in a modeling mode, the design of ergonomics is met, and a passenger can hold the handrail conveniently and the attractiveness is improved.

Drawings

FIG. 1 is a schematic view of the structural installation environment of the present invention;

FIG. 2 is a schematic diagram of the structure of the present invention;

FIG. 3 is a schematic view of a slider of the present invention;

FIG. 4 is a schematic view of a decorative block of the present invention;

fig. 5 is a partial cross-sectional view of the present invention.

In the figure: 1-a transverse handrail; 2-upright handrail; 3-a slide block; 4-decorating blocks; 5-a connection screw; 6-a stop; 7-vehicle body top plate; 8-vehicle body underframe; 9-bulge; 10-a circular hole; 11-countersunk holes; 12-a cavity.

Detailed Description

Referring to fig. 1, the upper part of a column armrest 2 of the utility model is connected with a vehicle body top plate 7, and the lower part is connected with a vehicle body underframe 8; the cross arm 1 is located between two pillar arms 2, arranged in the longitudinal direction of the vehicle, and is used for passengers to hold.

Referring to fig. 2 to 5, the transverse handrail 1 is connected with the upright handrail 2 through a sliding block 3, a decoration block 4 and a connecting screw 5; one side of the transverse handrail 1 close to the upright column handrail 2 is provided with a strip hole, a round pipe of the transverse handrail 1 is provided with a strip hole in the length direction, and the adjustment can be realized at the butt joint part of the handrail by increasing and decreasing adjusting pads by utilizing the tolerance setting of the round pipe, so that the attractiveness is improved; the upper surface of the upright handrail 2 is provided with a through hole for installing a connecting screw 5, the through hole on the upright handrail 2 corresponds to the sliding block 3 positioned in the upright handrail 2, the stop 6 is arranged in the transverse handrail 1 and positioned at one side far away from the upright handrail 2, the stop 6 is arranged in the transverse handrail 1, the length of the sliding block 3 is reasonably set, and the sliding block 3 is prevented from falling into the transverse handrail 1 and being incapable of being taken out in the dismounting process; the inside of

horizontal handrail

1 and 2 pipe butt joints of stand handrail is stretched into respectively to 3 both sides of slider, decorate piece 4 and be located the rectangular downthehole of horizontal handrail 1, the slider 3 that is located horizontal handrail 1 one side is fixed on horizontal handrail 1 through connecting screw 5 with decorating piece 4, the slider 3 that is located stand handrail 2 one side is fixed on stand handrail 2 through connecting screw 5.

3 section shapes of slider be "ship type", 3 bottoms of slider and upper portion are the plane, be equipped with two circular-arc archs 9 on the upper portion plane of slider 3, the last plane that is located slider 3 is equipped with two round holes 10 through connecting screw 5, two circular-arc protruding 9 surfaces and slider 3 around both sides side respectively with stand handrail 2 and horizontal handrail 1 inner wall contact, other surfaces and the handrail pipe inner wall of slider are the same in shape, increase area of contact, mechanical properties is better.

The length from the stop 6 to the joint of the transverse handrail 1 and the circular pipe of the upright handrail 2 is 2mm-3mm longer than that of the slide block 3.

The bottom of the decorative block 4 is a plane and is matched with the shape of the sliding block 3, the bottom of one side, away from the upright post handrail 2, of the decorative block 4 is provided with a cavity 12, so that the decorative block 4 and the sliding block are prevented from being difficult to take out due to too tight fit under atmospheric pressure, the exposed surface of the decorative block 4 is consistent with the shape of the transverse handrail 1, the ergonomic design is met, a passenger can conveniently hold the handrail, and the attractiveness is improved; one side close to the upright post handrail 2 is provided with a counter bore 11, the counter bore 11 corresponds to a round hole 10 in the transverse handrail 1, and the counter bore 11 is used for connecting a screw 5 to fix the sliding block 3 and the decorative block 4 on the transverse handrail 1.

Move back to in the middle of horizontal handrail 1 with slider 3 before the installation, then with horizontal handrail 1 and the butt joint of 2 pipes of stand handrail, slide slider 3 in the middle of the stand handrail 2 again, then will decorate in 4 rectangular holes of putting into handrail pipe 1, fastening screw 5 twists in the countersunk head of decorating the piece and in the round hole 10 of slider 3, immediately, in 5 same circular holes 10 of twisting slider 3 in stand handrail 2 with fastening screw, the installation is accomplished promptly to last fastening connection screw 5, reverse operation during the dismantlement can.

Claims

1. A novel handrail connecting structure for an urban railway vehicle is characterized by comprising a transverse handrail, upright handrail, a sliding block, a decorative block, connecting screws and a stop, wherein the upper part of the upright handrail is connected with a vehicle top plate, the lower part of the upright handrail is connected with a vehicle body chassis, the transverse handrail is positioned between the two upright handrails and is butted with a horizontal round pipe of the upright handrail, the transverse handrail is longitudinally arranged along the vehicle, one side of the transverse handrail, which is close to the upright handrail, is provided with a strip hole, the upper surface of the upright handrail is provided with a through hole for installing the connecting screws, the stop is arranged in the transverse handrail and is positioned at one side far away from the upright handrail, two sides of the sliding block respectively extend into the butt joint of the transverse handrail and the upright handrail round pipe, the decorative block is arranged in the strip hole of the transverse handrail, the sliding block positioned at one side of the transverse handrail and the decorative block are fixed on the transverse handrail through the connecting screws, the sliding block positioned in one side of the upright post handrail is fixed on the upright post handrail through a connecting screw.

2. The novel handrail connecting structure for an urban railway vehicle according to claim 1, wherein: the section of the sliding block is in a ship shape, the bottom and the upper part of the sliding block are both planes, two circular arc bulges are arranged on the plane of the upper part of the sliding block, and two round holes passing through the connecting screws are arranged on the plane of the upper part of the sliding block.

3. The novel handrail connecting structure for an urban railway vehicle according to claim 2, wherein: the two arc-shaped convex surfaces and the side surfaces of the front side and the rear side of the sliding block are respectively contacted with the inner walls of the upright handrail and the transverse handrail.

4. The novel handrail connecting structure for an urban railway vehicle according to claim 1, wherein: the length from the backstop to the butt joint of the transverse handrail and the circular tube of the handrail of the upright post is 2mm-3mm longer than that of the sliding block.

5. The novel handrail connecting structure for an urban railway vehicle according to claim 1, wherein: the bottom of the decorative block is a plane, a cavity is arranged at the bottom of one side, away from the upright post handrail, of the decorative block, a counter bore is arranged at one side, close to the upright post handrail, of the decorative block, and the counter bore is used for connecting a screw to fix the sliding block and the decorative block on the transverse handrail.