Latch hook automatic locking mechanism for railway vehicle sliding door

A railway vehicle and automatic locking technology, which is applied in the application of vehicle locks, building locks, locks, etc., can solve the problems of large number of parts, high precision of parts, complex assembly, etc., and achieve fewer parts, simple assembly, High economical effect

Active Publication Date: 2014-04-02
NANJING KANGNI MECHANICAL & ELECTRICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem solved by the present invention is to overcome the existing LS locks and full-range locking devices used for sliding door locking of rail vehicles, which have complex structures and a large number of parts, which require high precision of parts, high cost and low assembly cost. Complicated, Maintenance-Troublesome Problems

Method used

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  • Latch hook automatic locking mechanism for railway vehicle sliding door
  • Latch hook automatic locking mechanism for railway vehicle sliding door
  • Latch hook automatic locking mechanism for railway vehicle sliding door

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Experimental program
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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings.

[0024] The lock hook automatic locking mechanism for rail vehicle sliding doors of the present invention, after the door is closed, the sliding door will not be opened; when the door is moved, it can be opened easily and quickly, safe and reliable, and has few parts and low production cost low, such as Figure 1 to Figure 6 As shown, it includes a lock hook assembly 2, a rotating nut assembly 5, a driving screw 6, a cam 7 and a pin shaft 3. The driving screw 6 includes a spiral groove part 601 and a polished rod part 602, and the rotating nut assembly 5 is sleeved on the driving screw. 6, the cam 7 is fixed on the polished rod portion 602 of the driving screw 6, the locking hook assembly 2 is connected to the front end of the rotating nut assembly 5 through the transition plate 4 parallel to the driving screw 6, and the locking hook assembly 2 Bearing pin 3 is welded ...

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PUM

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Abstract

The invention discloses a latch hook automatic locking mechanism for a railway vehicle sliding door. The latch hook automatic locking mechanism for the railway vehicle sliding door comprises a latch lock assembly, a rotary nut assembly, a drive lead screw, a cam and a hinge pin, wherein the drive lead screw comprises a spiral groove part and a polished rod part, the rotary nut assembly sleeves on the spiral groove part of the drive lead screw, the cam is fixed on the polished rod part of the drive lead screw, the latch hook assembly is connected with the front end of the rotary nut assembly by a transition plate in parallel with the drive lead screw, the latch look assembly is welded with the hinge pin, the top of the hinge pin and the cam fit together, the latch hook assembly comprises a latch hook body and a reset spring, the reset spring is located at the rear end of the latch hook body and connects the latch hook body with the transition plate, the front end of the latch hook body is provided with a hook slot, and the hook slot is used for clamping a fixing pole on the railway vehicle sliding door. The latch hook automatic locking mechanism provided by the invention is safe and reliable, and has the advantages of simple structure, safety and reliability, and being simple to assembly, saving in assembling resource, lower in cost, high in economic benefit, and good in application prospect.

Description

technical field [0001] The invention relates to the technical field of sliding door locks, in particular to an automatic locking mechanism for lock hooks used for sliding doors of rail vehicles. Background technique [0002] With the rapid development of urban scale, rail transit can facilitate people's travel, and thus has been widely used. The sliding doors of rail vehicles need to be opened and closed frequently for passengers to get on and off. During the running of rail vehicles, it is necessary to The rail vehicle sliding door is locked to ensure the safety of the passengers in the car. At present, there are two locking methods for the rail vehicle sliding door on the market, namely the terminal locking method and the whole process method, to realize the combination of the above two locking methods. The locking devices are LS locks and full-range locking devices. The LS locks and full-range locking devices have complex structures, a large number of parts, and require h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B83/40
Inventor 金建成廖有湘陈保刚
Owner NANJING KANGNI MECHANICAL & ELECTRICAL
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