Braking lever convenient to install and used for train carriage

Abstract

The utility model relates to the technical field of train carriage brake levers, and discloses a train carriage brake lever convenient to install, which comprises a telescopic outer pipe assembly, a telescopic inner rod assembly is installed on the inner side of the telescopic outer pipe assembly, and a brake assembly is installed in the middle of the telescopic inner rod assembly. The brake assembly is installed at the bottom of the telescopic outer pipe assembly. The telescopic inner rod assembly is installed on the device, so that when the device is used, telescopic adjustment work can be carried out through the telescopic inner rod assembly according to different use scenes and different length requirements, different use requirements can be met, and the convenience of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of train compartment brake levers, in particular to a train compartment brake lever convenient to install. BACKGROUND

[0002] The train brake system is a key component to ensure the safe operation of the train, and the brake lever as the core component of transmitting braking force directly affects the efficiency and maintenance cost of the brake system.

[0003] However, the traditional brake lever usually has the following problems during installation: complex installation: the installation of the traditional brake lever requires multiple steps, involving the accurate positioning and fixing of multiple components, which takes a long time; difficult adjustment: after installation, if the brake lever needs to be adjusted, it often needs to disassemble some components, increasing the complexity of maintenance; space limitation: the internal space of the train compartment is limited, and the design of the traditional brake lever may not adapt to the compact installation environment, causing inconvenience in installation; weight problem: the traditional brake lever may be heavy, increasing the difficulty and labor intensity of installation. SUMMARY

[0004] The purpose of the present application is to provide a train compartment brake lever convenient to install, which solves the problem of single length adjustment of the current brake lever.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model relates to a train compartment brake lever convenient to install, which comprises a telescopic outer pipe assembly, a telescopic inner rod assembly is installed on the inner side of the telescopic outer pipe assembly, a brake assembly is installed in the middle of the telescopic inner rod assembly, and the brake assembly is installed at the bottom of the telescopic outer pipe assembly.

[0007] The telescopic inner rod assembly comprises a limiting telescopic rod, a limiting column is installed in the middle of the limiting telescopic rod, reset spring No.

[0008] Further, the telescopic outer pipe assembly comprises a telescopic pipe assembly, a limiting shell is connected to the top of the rear side of the telescopic pipe assembly, a telescopic outlet is connected to the front end of the telescopic pipe assembly, and a brake cavity is formed in the bottom of the telescopic pipe assembly, and a limiting rod installation groove is formed in the end of the brake cavity.

[0009] Further, the rear side of the reset spring two is mounted with a pressing block, and the pressing block is connected to the outer wall of the limiting telescopic rod.

[0010] Further, the brake assembly comprises a linkage plate, a limiting telescopic rod is mounted in the middle of the upper side of the linkage plate, and a pressing rod is connected to the lower side of the linkage plate, and the linkage plate is mounted between the limiting shell and the reset spring one, the end of the pressing rod is limited in the middle of the brake limiting column, the bottom of the brake limiting column is mounted with a reset spring three, and the reset spring three is mounted in the bottom of the limiting rod mounting groove.

[0011] Further, the inside of the telescopic pipe assembly is provided with a movable cavity, a limiting ring groove is formed in the rear side of the outer wall of the movable cavity, and a limiting column is mounted in the inside of the movable cavity, the inside of the limiting ring groove is mounted with a reset spring one, the inside of the brake cavity is provided with a pressing telescopic groove, the inside of the pressing telescopic groove is mounted with a pressing rod, the inside of the limiting rod mounting groove is provided with a brake groove, and the middle of the rear side of the limiting rod mounting groove is provided with a movable slot.

[0012] Further, the top of the brake limiting column is connected with a limiting protrusion, and a slope sliding groove is formed in one side of the brake limiting column, and a limiting movable rod is connected to the middle of the rear side of the brake limiting column, the limiting movable rod is limitedly mounted in the movable slot, and the end of the pressing rod is correspondingly mounted in the inside of the slope sliding groove.

[0013] The utility model has the following beneficial effects:

[0014] (1) The brake lever for train carriage convenient to install of the utility model is provided with telescopic inner rod assembly on the device, so that when the device is used, the telescopic inner rod assembly can be adjusted in extension and contraction according to different use scenes and different length requirements, so as to cope with different use requirements and improve the convenience of the device.

[0015] (2) The brake lever for train carriage convenient to install of the utility model is provided with brake assembly on the device, so that when the device is used, the telescopic inner rod assembly and the telescopic outer rod assembly can be conveniently extended by the brake assembly, and the limiting work effect is realized, and the above arrangement can make the telescopic operation more convenient.

[0016] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings described in the following are only some of the embodiments of the present application, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without any creative labor.

[0018] Figure 1 It is a whole structure schematic diagram of the brake lever for the train carriage of the present application convenient to install;

[0019] Figure 2 It is a sectional view structure schematic diagram of the telescopic pipe assembly of the brake lever for the train carriage of the present application convenient to install;

[0020] Figure 3 It is a sectional view structure schematic diagram of the brake cavity of the brake lever for the train carriage of the present application convenient to install;

[0021] Figure 4 It is a rear side structure schematic diagram of the brake limiting column of the brake lever for the train carriage of the present application convenient to install;

[0022] In the drawings, the component list represented by each number is as follows:

[0023] In the drawings: 1, telescopic outer pipe assembly; 2, telescopic inner rod assembly; 3, brake assembly; 101, telescopic pipe assembly; 102, limiting shell; 103, telescopic outlet; 104, brake cavity; 105, limiting rod installation groove; 201, limiting telescopic rod; 202, limiting column; 203, reset spring one; 204, reset spring two; 205, extrusion block; 301, linkage plate; 302, extrusion rod; 303, brake limiting column; 304, reset spring three; 1011, movable cavity opening; 1012, limiting ring groove; 1013, extrusion telescopic groove; 1014, brake groove; 1015, movable slot; 3031, limiting protrusion; 3032, slope sliding groove; 3033, limiting movable rod. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only some of the embodiments of the present application, and for the ordinary skilled in the art, all other embodiments obtained without any creative labor based on the embodiments in the present application also belong to the protection scope of the present application.

[0025] Please refer to Figures 1-4The utility model discloses a kind of brake levers of train carriage for facilitating installation, including telescopic outer tube assembly 1, telescopic inner rod assembly 2 is installed in the inside of telescopic outer tube assembly 1, brake assembly 3 is installed in the middle of telescopic inner rod assembly 2, brake assembly 3 is installed at the bottom of telescopic outer tube assembly 1.

[0026] Telescopic inner rod assembly 2 includes limiting telescopic rod 201, limiting telescopic rod 201 middle installation limiting post 202, limiting post 202 front side is installed with reset spring two 204, and limiting post 202 rear side is installed with reset spring one 203, reset spring one 203 and reset spring two 204 are limitedly installed in the inside of telescopic pipe assembly 101.

[0027] By being equipped with telescopic inner rod assembly 2 on the device, when using the device, telescopic inner rod assembly 2 can be telescoped to adjust work to cope with different use requirements and improve the convenience of the device.

[0028] Telescopic outer tube assembly 1 includes telescopic pipe assembly 101, limiting shell 102 is connected at the rear top of telescopic pipe assembly 101, and telescopic pipe assembly 101 front side end is connected with telescopic outlet 103, while the bottom of telescopic pipe assembly 101 is correspondingly provided with brake cavity 104, and limiting rod mounting groove 105 is formed at the end of brake cavity 104.

[0029] Reset spring two 204 rear side is installed with extrusion block 205, extrusion block 205 is connected at the outer wall of limiting telescopic rod 201, limiting telescopic rod 201 can slide in telescopic pipe assembly 101, reset spring one 203 and reset spring two 204 are respectively installed at the rear side and front side of limiting post 202, for providing reset force, when external force acts on limiting telescopic rod 201 during work, limiting telescopic rod 201 slides along the inner wall of telescopic pipe assembly 101, and compresses reset spring one 203 or reset spring two 204, after external force disappears, reset spring one 203 and reset spring two 204 push limiting telescopic rod 201 to return to initial position, realize telescopic function, after external force disappears, reset spring one 203 and reset spring two 204 push limiting telescopic rod 201 to return to initial position, realize telescopic function.

[0030] The brake assembly 3 comprises a linkage plate 301, the upper side of the linkage plate 301 is provided with a limiting telescopic rod 201, the lower side of the linkage plate 301 is connected with an extrusion rod 302, the linkage plate 301 is installed between the limiting shell 102 and the reset spring 203, the end of the extrusion rod 302 is limited in the middle of the brake limiting column 303, the bottom of the brake limiting column 303 is provided with a reset spring 304, the reset spring 304 is installed in the bottom of the limiting rod installation slot 105, the linkage plate 301 is connected with the limiting telescopic rod 201, the extrusion rod 302 cooperates with the brake limiting column 303, the reset spring 304 is installed in the bottom of the limiting rod installation slot 105, the top of the brake limiting column 303 is provided with a limiting protrusion 3031, one side is provided with a slope sliding groove 3032, the rear side is connected with a limiting movable rod 3033, the limiting movable rod 3033 is installed in the movable slot 1015, when the limiting telescopic rod 201 is subjected to external force, the linkage plate 301 moves with the limiting telescopic rod 201, drives the extrusion rod 302 to move downward, the end of the extrusion rod 302 slides along the slope sliding groove 3032, pushes the brake limiting column 303 to move outward, so that the limiting protrusion 3031 of the brake limiting column 303 contacts with the brake slot 1014, generates a brake effect, when the external force disappears, the reset spring 304 pushes the brake limiting column 303 to return to the initial position, the extrusion rod 302 resets with the linkage plate 301, the brake is released, the reset spring 203 and the reset spring 204 are used for resetting the limiting telescopic rod 201, ensuring that the telescopic inner rod assembly 2 can quickly return to the initial position after the external force disappears, and are used for resetting the brake limiting column 303, ensuring that the brake assembly 3 can release the brake state after the external force disappears.

[0031] The inside of the telescopic pipe assembly 101 is provided with a movable cavity 1011, the periphery of the rear side outer wall of the movable cavity 1011 is provided with a limiting ring groove 1012, the inside of the movable cavity 1011 is provided with a limiting column 202, the inside of the limiting ring groove 1012 is provided with a reset spring 203, the inside of the brake cavity 104 is provided with an extrusion telescopic groove 1013, the inside of the extrusion telescopic groove 1013 is provided with an extrusion rod 302, the inside of the limiting rod installation slot 105 is provided with a brake slot 1014, and the middle of the rear side of the limiting rod installation slot 105 is provided with a movable slot 1015.

[0032] The top of the brake limiting column 303 is connected with a limiting protrusion 3031, one side of the brake limiting column 303 is provided with a slope sliding groove 3032, the rear side of the brake limiting column 303 is connected with a limiting movable rod 3033, the limiting movable rod 3033 is limitedly installed in the movable slot 1015, and the inside of the slope sliding groove 3032 is correspondingly provided with the end of the extrusion rod 302.

[0033] In use, the telescopic outer tube assembly 1 comprises a telescopic tube assembly 101, a limiting shell 102, a telescopic outlet 103 and a brake cavity 104, the telescopic tube assembly 101 is internally provided with a movable cavity opening 1011 and a limiting ring groove 1012 for mounting and limiting the telescopic inner rod assembly 2, the telescopic inner rod assembly 2 comprises a limiting telescopic rod 201, a limiting column 202, a reset spring one 203 and a reset spring two 204, the limiting telescopic rod 201 is slidable in the telescopic tube assembly 101, the reset spring one 203 and the reset spring two 204 are respectively mounted at the rear side and the front side of the limiting column 202 for providing a reset force, when working, when an external force acts on the limiting telescopic rod 201, the limiting telescopic rod 201 slides along the inner wall of the telescopic tube assembly 101, compresses the reset spring one 203 or the reset spring two 204, after the external force disappears, the reset spring one 203 and the reset spring two 204 push the limiting telescopic rod 201 back to the initial position, realizing the telescopic function, after the external force disappears, the reset spring one 203 and the reset spring two 204 push the limiting telescopic rod 201 back to the initial position, realizing the telescopic function.The brake assembly 3 comprises a linkage plate 301, an extrusion rod 302, a brake limiting column 303 and a reset spring three 304, the linkage plate 301 is connected with the limiting telescopic rod 201, the extrusion rod 302 cooperates with the brake limiting column 303, the reset spring three 304 is installed at the bottom of the limiting rod installation slot 105, the top of the brake limiting column 303 is provided with a limiting protrusion 3031, one side is provided with a slope sliding groove 3032, the rear side is connected with a limiting movable rod 3033, the limiting movable rod 3033 is installed in the movable slot 1015, when the limiting telescopic rod 201 is subjected to external force, the linkage plate 301 moves with the limiting telescopic rod 201, drives the extrusion rod 302 to move downwards, the tail end of the extrusion rod 302 slides along the slope sliding groove 3032, pushes the brake limiting column 303 to move outward, so that the limiting protrusion 3031 of the brake limiting column 303 contacts with the brake slot 1014, and the brake effect is generated, when the external force disappears, the reset spring three 304 pushes the brake limiting column 303 to return to the initial position, the extrusion rod 302 resets with the linkage plate 301, the brake is released, the reset spring one 203 and the reset spring two 204 are used for resetting the limiting telescopic rod 201, ensuring that the telescopic inner rod assembly 2 can quickly return to the initial position after the external force disappears, and are used for resetting the brake limiting column 303, ensuring that the brake assembly 3 can release the brake state after the external force disappears, the external force acts on the limiting telescopic rod 201, so that the limiting telescopic rod 201 is inwards contracted, the linkage plate 301 moves with the limiting telescopic rod 201, drives the extrusion rod 302 to move downwards, the extrusion rod 302 pushes the brake limiting column 303 to move outward, the limiting protrusion 3031 contacts with the brake slot 1014, and the brake is realized, after the external force disappears, the reset spring one 203 and the reset spring two 204 push the limiting telescopic rod 201 to reset, the linkage plate 301 resets with the limiting telescopic rod 201, the extrusion rod 302 is separated from the slope sliding groove 3032, the reset spring three 304 pushes the brake limiting column 303 to return to the initial position, and the brake is released, the telescopic outer tube assembly 1 and the telescopic inner rod assembly 2 adopt modular design, are easy to install, the reset spring one 203, the reset spring two 204 and the reset spring three 304 cooperate, ensuring that the brake lever quickly responds, the brake limiting column 303 is cooperatively designed with the brake slot 1014, and stable brake force is provided.

[0034] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode. Apparently, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalent thereof.

Claims

1. A brake lever for a railway car that is easy to install, comprising a telescopic outer tube assembly (1), characterized in that: The telescopic outer tube assembly (1) is internally mounted with a telescopic inner rod assembly (2), the middle of the telescopic inner rod assembly (2) is mounted with a brake assembly (3), and the brake assembly (3) is mounted at the bottom of the telescopic outer tube assembly (1); The telescopic inner rod assembly (2) comprises a limiting telescopic rod (201), the middle of the limiting telescopic rod (201) is mounted with a limiting column (202), the front side of the limiting column (202) is mounted with a return spring two (204), and the rear side of the limiting column (202) is mounted with a return spring one (203), and the return spring one (203) and the return spring two (204) are limitingly mounted in the inside of the telescopic tube assembly (101).

2. A brake lever for a railway car that is easy to install according to claim 1, characterized in that: The telescopic outer tube assembly (1) comprises a telescopic tube assembly (101), the rear side top of the telescopic tube assembly (101) is connected with a limiting shell (102), the front side end of the telescopic tube assembly (101) is connected with a telescopic outlet (103), and the bottom of the telescopic tube assembly (101) is correspondingly provided with a brake cavity (104), and the end of the brake cavity (104) is provided with a limiting rod mounting groove (105).

3. A brake lever for a railway car that is easy to install according to claim 1, characterized in that: The rear side of the return spring two (204) is mounted with a pressing block (205), and the pressing block (205) is connected to the outer wall of the limiting telescopic rod (201).

4. A brake lever for a railway car that is easy to install according to claim 1, characterized in that: The brake assembly (3) comprises a linkage plate (301), the upper side of the linkage plate (301) is mounted with a limiting telescopic rod (201) in the middle, and the lower side of the linkage plate (301) is connected with a pressing rod (302) in the middle, and the linkage plate (301) is mounted between the limiting shell (102) and the return spring one (203), the end of the pressing rod (302) is correspondingly limited in the middle inside of a brake limiting column (303), the bottom of the brake limiting column (303) is mounted with a return spring three (304), and the return spring three (304) is mounted in the bottom of the limiting rod mounting groove (105).

5. A brake lever for a railway car that is easy to install according to claim 2, characterized in that: The inside of the telescopic tube assembly (101) is provided with a movable cavity opening (1011), the rear side outer wall periphery of the movable cavity opening (1011) is provided with a limiting ring groove (1012), and the inside of the movable cavity opening (1011) is mounted with a limiting column (202), the inside of the limiting ring groove (1012) is mounted with a return spring one (203), the inside of the brake cavity (104) is provided with a pressing telescopic groove (1013), the inside of the pressing telescopic groove (1013) is mounted with a pressing rod (302), the inside of the limiting rod mounting groove (105) is provided with a brake groove (1014), and the rear side middle of the limiting rod mounting groove (105) is provided with a movable slot (1015).

6. A brake lever for a railway car that is easy to install according to claim 4, characterized in that: The top of the brake limiting column (303) is connected with a limiting bump (3031), and one side of the brake limiting column (303) is provided with a slope chute (3032), and the rear side of the brake limiting column (303) is connected with a limiting movable rod (3033) in the middle, the limiting movable rod (3033) is limitedly installed in the movable notch (1015), and the inside of the slope chute (3032) is correspondingly provided with the tail end of the extrusion rod (302).

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