Safety handrail in rail transit carriage

Abstract

The utility model relates to the field of safety handrails, in particular to a safety handrail in a rail transit carriage, which comprises a handrail frame, a connecting block is inserted into the inner wall of the handrail frame, four inserting blocks are slidably connected to the inner wall of the connecting block, and a spring is fixedly connected to one end, close to the connecting block, of each inserting block. The connecting blocks are inserted into the armrest frame, then the U-shaped frame is inserted along the armrest frame and wraps the connecting blocks, the inserting blocks need to be pushed in the process so that the inserting blocks can horizontally slide in along the connecting blocks, then the springs can be compressed, finally the four connecting plates are rotated, and at the moment, the corresponding first inserting holes, second inserting holes and the inserting blocks are located on the same central axis; at the moment, the springs can push the corresponding insertion blocks to be inserted into the first insertion holes and the second insertion holes under the action of resilience force of the springs, so that the U-shaped frame is quickly fixed, and the effect that the armrest frame can be quickly replaced according to whether the insertion blocks are inserted into the corresponding first insertion holes and the corresponding second insertion holes or not is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to safe handrail technical field, concretely is a safe handrail in rail transit carriage. BACKGROUND

[0002] In the process of rail transit operation, the handrail needs to be installed on the crossbar inside the carriage to facilitate the standing passengers to hold the body stably and ensure safety.

[0003] Through the search, the safe handrail in rail transit carriage of the patent with the announcement number CN215154633U discloses a kind of, its technical key points are as follows: through the fixed ring on crossbar, in combination with fixed bolt connection, it can be installed in parts, it is conducive to adjusting installation spacing, high adaptability, while internally clamping fixed connection band, to install handrail ring, it is more stable, in combination with the contraction of pull rope of slide bar connection, it can be pulled up tightly and be contracted, avoid shaking, safe and stable.

[0004] But the prior art cannot quickly replace the handrail frame, leading to damage of the handrail frame during long-term use and difficult maintenance and replacement. To solve the problem of the prior art that the handrail frame cannot be quickly replaced, the application is pressed by pressing the plug, at this time the spring is compressed, then the U-shaped frame is inserted along the handrail frame until the first insertion hole and the corresponding plug are on the same central axis, at this time the plug is released, the spring will reset the corresponding plug under the action of its elastic force and insert it into the corresponding first insertion hole, then press the plug again, then rotate the connecting plate to make the second insertion hole and the corresponding plug on the same central axis, at this time the repositioning of the plug will quickly fix the connecting plate, so that the handrail frame can be quickly disassembled, replaced, and therefore a new solution is needed to solve this problem. UTILITY MODEL CONTENTS

[0005] In view of the above background art, the prior art cannot quickly replace the handrail frame.

[0006] The utility model discloses a kind of safe handrails in rail transit carriage, including handrail frame, the inner wall of the handrail frame is inserted with connecting block, the inner wall of the connecting block is slidably connected with four plugs, the end of each plug close to connecting block is all fixedly connected with spring, the end of each spring away from corresponding plug is all fixedly connected with connecting block, the outer surface of the handrail frame is inserted with U-shaped frame, the outer surface of the U-shaped frame is equipped with four first insertion holes, the outer surface of the handrail frame is rotatably connected with four connecting plates, the outer surface of each connecting plate is all equipped with second insertion hole, the outer surface of each plug is all inserted with corresponding first insertion hole and second insertion hole.

[0007] Further, the inner wall of the U-shaped frame is in sliding connection with the connecting block, and the outer surface of the U-shaped frame is in sliding connection with the four connecting plates.

[0008] Further, the inner wall of the handrail frame is provided with a mounting groove, and the outer surface of the mounting groove is fixedly provided with a handrail pad.

[0009] Further, the upper surface of the U-shaped frame is fixedly connected with a connecting frame, and the inner wall of the connecting frame is in sliding connection with an extension belt.

[0010] Further, the upper portion of the handrail frame is provided with a connecting column, and the inner wall of the connecting column is in sliding connection with the extension belt.

[0011] Further, the inner wall of the connecting column is fixedly connected with a connecting rod, and the outer surface of the connecting rod is in sliding connection with the extension belt.

[0012] Further, the upper portion of the connecting column is provided with a supporting column, the outer surface of the supporting column is sleeved with two clamping plates, and the outer surface of each clamping plate is fixedly connected with the connecting column.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a connecting block, an insert block, a spring, a U-shaped frame, a first jack, a second jack, a connecting plate and other components are arranged, the connecting block is inserted into the handrail frame, then the U-shaped frame is inserted into the handrail frame and wraps the connecting block, the insert block is pushed to slide along the connecting block horizontally in the process, then the spring is compressed, finally four connecting plates are rotated, at this time, the corresponding first jack, second jack and insert block are on the same central axis, the spring pushes the corresponding insert block into the first jack and second jack under the action of the spring's rebound force, thereby completing the quick fixing of the U-shaped frame, and the device can be quickly replaced according to whether the insert block is inserted into the first jack and second jack.

[0015] 2、The utility model discloses a connecting frame, a U-shaped frame, a connecting frame, a supporting column, a clamping plate, an extension belt, a connecting column and a connecting rod are arranged, the extension belt is connected with the connecting rod and the connecting frame, then two clamping plates wrap the supporting column by using bolts and are connected on the connecting column, thereby the device can be quickly installed according to the connection of the clamping plate, supporting column and connecting column. DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application.

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is the connecting column structure schematic view of the utility model;

[0019] Figure 3 It is the handrail frame structure schematic view of the utility model;

[0020] Figure 4 It is the connecting block structure schematic view of the utility model.

[0021] In the drawing: 1, handrail frame; 2, connecting block; 3, spring; 4, plug block; 5, connecting plate; 6, second jack; 7, U-shaped frame; 8, first jack; 9, connecting frame; 10, extension belt; 11, installation slot; 12, handrail pad; 13, connecting column; 14, connecting rod; 15, clamping plate; 16, support column. DETAILED DESCRIPTION

[0022] The following will disclose multiple embodiments of the utility model with drawings, for the purpose of clear illustration, many details on the real object will be described in the following description. However, it should be understood that these details on the real object should not be used to limit the utility model. That is to say, in some embodiments of the utility model, these details on the real object are unnecessary. In addition, for the purpose of simplifying the drawing, some conventional structures and components will be drawn in a simple schematic way in the drawing.

[0023] Please refer to Figure 1 、 Figure 3 、 Figure 4 The utility model relates to a safety handrail in rail transit carriage, including handrail frame 1, the inner wall of handrail frame 1 is inserted with connecting block 2, and the inside of handrail frame 1 is provided with placing groove, connecting block 2 can be inserted into placing groove, the inner wall of connecting block 2 is slidably connected with four plug blocks 4, each plug block 4 can slide along connecting block 2, and by pressing plug block 4, it can be slid into connecting block 2, one end of each plug block 4 close to connecting block 2 is fixedly connected with spring 3, and one end of each spring 3 away from corresponding plug block 4 is fixedly connected with connecting block 2, specifically, by pressing plug block 4, at this time, spring 3 will be compressed, then under the action of spring 3 without external force, spring 3 will push corresponding plug block 4 to reset under the action of its rebound force.

[0024] In a better embodiment, the outer surface of the handrail frame 1 is inserted with the U-shaped frame 7, the outer surface of the U-shaped frame 7 is provided with four first insertion holes 8, each first insertion hole 8 is the same size as the corresponding insertion block 4, by inserting the U-shaped frame 7 along the handrail frame 1 until the first insertion hole 8 is on the same central axis as the corresponding insertion block 4, at this time the reset of the insertion block 4 is inserted into the corresponding first insertion hole 8, the outer surface of the handrail frame 1 is rotationally connected with four connecting plates 5, the outer surface of each connecting plate 5 is provided with a second insertion hole 6, the outer surface of each insertion block 4 is inserted with the corresponding first insertion hole 8 and second insertion hole 6, specifically, by installing the U-shaped frame 7, then pressing the insertion block 4 again, and rotating the connecting plate 5 to make the second insertion hole 6 on the same central axis as the corresponding insertion block 4, at this time the reset of the insertion block 4 will quickly fix the connecting plate 5, so that the U-shaped frame 7 can be quickly replaced.

[0025] In this embodiment, the inner wall of the U-shaped frame 7 is slidably connected with the connecting block 2, and the outer surface of the U-shaped frame 7 is slidably connected with the four connecting plates 5. Specifically, during installation of the U-shaped frame 7, it will slide vertically along the connecting block 2 and wrap the connecting block 2, and rotation of the connecting plate 5 will wrap the U-shaped frame 7.

[0026] Looking back Figure 3 , Figure 4 , the inner wall of the handrail frame 1 is provided with a mounting slot 11, and the outer surface of the mounting slot 11 is fixedly installed with a handrail pad 12. Specifically, by installing the handrail pad 12 in the mounting slot 11, the handrail pad 12 is provided to relieve the pressure on the palms of the passengers during use.

[0027] As shown in Figure 1 , Figure 2 , Figure 3 , the upper surface of the U-shaped frame 7 is fixedly connected with a connecting frame 9, and the inner wall of the connecting frame 9 is slidably connected with an extension belt 10. Specifically, the extension belt 10 will slide in the connecting frame 9, and the extension belt 10 bears a relatively large pressure and has a relatively soft texture.

[0028] In this embodiment, the upper portion of the handrail frame 1 is provided with a connecting column 13, and the inner wall of the connecting column 13 is slidably connected with the extension belt 10. Specifically, the extension belt 10 can slide in the connecting column 13, and the extension belt 10 can be provided to enable the handrail to swing at multiple angles during use.

[0029] In this embodiment, the inner wall of the connecting column 13 is fixedly connected with a connecting rod 14, and the outer surface of the connecting rod 14 is slidably connected with the extension belt 10. Specifically, the connecting rod 14 is arranged inside the connecting column 13, and the connection of the extension belt 10 and the connecting rod 14 can enable the connecting column 13 to support the handrail through the extension belt 10.

[0030] In a better embodiment, the upper part of the connecting column 13 is provided with a supporting column 16, the outer surface of the supporting column 16 is sleeved with two clamping plates 15, the outer surface of each clamping plate 15 is fixedly connected with the connecting column 13, specifically, the clamping plate 15 can be installed on both sides of the connecting column 13 by using fixing bolts, the handrail can be stably supported by wrapping and clamping the supporting column 16 and connecting the two clamping plates 15.

[0031] The implementation principle is that: first, the connecting column 13 with the extending belt 10 is connected with the clamping plate 15, then the clamping plate 15 is sleeved on the supporting column 16, then the two clamping plates 15 are connected by using bolts, at this time, the connecting block 2 is installed in the placing groove inside the handrail frame 1, and the plug block 4 is pressed, at this time, the spring 3 is compressed, then the U-shaped frame 7 is inserted along the handrail frame 1 until the first insertion hole 8 and the corresponding plug block 4 are on the same central axis, at this time, the plug block 4 is loosened, the spring 3 will reset the corresponding plug block 4 and insert it into the corresponding first insertion hole 8 under the action of the spring's rebound force, then the plug block 4 is pressed again, then the connecting plate 5 is rotated so that the second insertion hole 6 and the corresponding plug block 4 are on the same central axis, at this time, the reset of the plug block 4 will quickly fix the connecting plate 5, in this way, the U-shaped frame 7 can be quickly replaced by adjusting the position of the plug block 4, finally, the handrail pad 12 can be installed in the installation groove 11 to protect the palm of the passenger.

[0032] The above is only an embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the scope of the claims of the present application.

Claims

1. A safety handrail in a rail transit car, comprising a handrail frame (1), characterized in that: The inner wall of the handrail frame (1) is inserted with a connecting block (2), the inner wall of the connecting block (2) is slidably connected with four plug blocks (4), one end of each plug block (4) near the connecting block (2) is fixedly connected with a spring (3), and the end of each spring (3) away from the corresponding plug block (4) is fixedly connected with the connecting block (2), the outer surface of the handrail frame (1) is inserted with a U-shaped frame (7), the outer surface of the U-shaped frame (7) is provided with four first insertion holes (8), the outer surface of the handrail frame (1) is rotatably connected with four connecting plates (5), the outer surface of each connecting plate (5) is provided with a second insertion hole (6), and the outer surface of each plug block (4) is inserted with the corresponding first insertion hole (8) and second insertion hole (6).

2. A safety handrail in a rail transit car according to claim 1, characterized in that: The inner wall of the U-shaped frame (7) is slidably connected with the connecting block (2), and the outer surface of the U-shaped frame (7) is slidably connected with the four connecting plates (5).

3. A safety handrail in a rail transit car according to claim 1, characterized in that: The inner wall of the handrail frame (1) is provided with a mounting groove (11), and the outer surface of the mounting groove (11) is fixedly installed with a handrail pad (12).

4. A safety handrail in a rail transit car according to claim 2, characterized in that: The upper surface of the U-shaped frame (7) is fixedly connected with a connecting frame (9), and the inner wall of the connecting frame (9) is slidably connected with an extension belt (10).

5. A safety handrail in a rail transit car according to claim 4, characterized in that: The upper surface of the U-shaped frame (7) is fixedly connected with a connecting frame (9), and the inner wall of the connecting frame (9) is slidably connected with an extension belt (10).

6. A safety handrail in a rail transit car according to claim 5, characterized in that: The inner wall of the connecting column (13) is fixedly connected with a connecting rod (14), and the outer surface of the connecting rod (14) is slidably connected with the extension belt (10).

7. A safety handrail in a rail transit car according to claim 6, characterized in that: The upper surface of the connecting column (13) is provided with a supporting column (16), and the outer surface of the supporting column (16) is sleeved with two clamping plates (15), and the outer surface of each clamping plate (15) is fixedly connected with the connecting column (13). The upper surface of the connecting column (13) is provided with a supporting column (16), and the outer surface of the supporting column (16) is sleeved with two clamping plates (15), and the outer surface of each clamping plate (15) is fixedly connected with the connecting column (13).

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