CN208329960U

CN208329960U - A kind of door lock of novel track vehicle emergency evacuation door

Info

Publication number: CN208329960U
Application number: CN201820903856.3U
Authority: CN
Inventors: 程荣; 史阳阳; 周庭东
Original assignee: Nanjing Kangni Mechanical and Electrical Co Ltd
Current assignee: Nanjing Kangni Mechanical and Electrical Co Ltd
Priority date: 2018-06-11
Filing date: 2018-06-11
Publication date: 2019-01-04
Anticipated expiration: 2028-06-11

Abstract

The utility model discloses a kind of door lock of novel track vehicle emergency evacuation door, including double leval jib door lock, the double leval jib door lock is mounted on the inside of cover board, the both ends of the cover board pass through the first articulated mounting respectively and the top of long connecting rod connects, and the bottom end of the long connecting rod and the main lock being mounted on egress door are hinged；The outer panel of the cover board is equipped with handle, and handle is equipped in the middle part of the cover board, and the handle and double leval jib door lock are rotatablely connected.The utility model has the beneficial effects that ingenious in design, structure is simple, easy to operate, laborsaving, can not only prevent maloperation, moreover it is possible to improve the sealing effect of device.

Description

A kind of door lock of novel track vehicle emergency evacuation door

Technical field

The utility model relates to a kind of door locks, and in particular to a kind of door lock of novel track vehicle emergency evacuation door belongs to Rail traffic emergency evacuation door technical field.

Background technique

According to the applicant understood, railcar in case of emergency evacuates passenger by egress door, and this requires revenue passengers It can complete unlock and opening steps.Therefore, the design requirement of emergency evacuation door lock is easy to operate, operation handle position height It spends moderate.How while meeting this and requiring, the maloperation under nonemergency, the lock sealing effect of door system are prevented It more preferably, is the key Design main points of door lock.

Current rail vehicle upper-turn-type emergency evacuation door mostly uses double leval jib lock structure to carry out locking.As shown in Figure 1, Existing double leval jib door lock includes lock pin 1, short connecting rod 2, spring 3, handle 4, idler wheel 5, fixing seat 6, mounting plate 7 etc., wherein two Root lock pin 1 and two short connecting rods 2 form four-bar linkage structure, and the unlock of handle 4 and locked position are by 5 reliable location of idler wheel.Such as Fig. 2 Shown, double leval jib door lock 8 is mounted on the middle part of door leaf, easily operated unlock.However, using above-mentioned double leval jib lock structure, Operation handle can be contacted directly, be unfavorable for preventing maloperation；Meanwhile upper-turn-type emergency evacuation door swing hinge is located at door leaf top Portion, the locking point of double leval jib lock structure are unfavorable for compressing door leaf, sealing effect is general in the middle part of door leaf.

Utility model content

Purpose of utility model: the utility model aim is that in view of the deficiencies of the prior art, providing one kind can prevent from missing Operation, and the door lock of the good novel track vehicle emergency evacuation door of sealing effect.

Technical solution: a kind of door lock of novel track vehicle emergency evacuation door described in the utility model, including Four-link door Lock, the double leval jib door lock are mounted on the inside of cover board, and the both ends of the cover board pass through the first articulated mounting and long connecting rod respectively Top connection, the bottom end of the long connecting rod and the main lock being mounted on egress door are hinged；The outer panel of the cover board is equipped with Handle, handle is equipped in the middle part of the cover board, and the handle and double leval jib door lock are rotatablely connected.

The door lock of the utility model is cover-plate type lock structure, protects double leval jib locking mechanism using cover board, can not only Prevent maloperation, moreover it is possible to improve the sealing effect of lock structure.

Technical solutions of the utility model are further defined to, and the middle part of the cover board has square breach, described rectangular Fixed plate is set in notch, handle is installed in the fixed plate.

Further, the handle is equipped with four angle heads, is equipped with quadrangle key with four angle head cooperation.

Further, transparent cover plate is housed in the top of the square breach.

Further, the double leval jib door lock includes two lock pins and two short connecting rods, and the lock pin and short connecting rod rotate Connection, two short connecting rods are rotatablely connected with connecting rod respectively, and the connecting rod is fixedly connected by bolt with handle, two short companies It is connected with spring between bar, is equipped with idler wheel along the motion track of short connecting rod in the fixed plate.

Further, the lock pin is mounted on the medial surface of cover board by fixing seat, and the lock pin is horizontally disposed.

Further, the main lock includes main lock body and the latch hook being mounted in main lock body, and the main lock body and latch hook are cut with scissors It connects, the lower end rotation connection of the latch hook and long connecting rod.

Further, the cover board is mounted on the middle part of egress door, and the cover board passes through the second articulated mounting and evacuation Door rotation connection.

The utility model has the beneficial effects that ingenious in design, structure is simple, easy to operate, laborsaving, can not only prevent from missing Operation, moreover it is possible to improve the sealing effect of device.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of double leval jib door lock in the prior art.

Fig. 2 is the scheme of installation of double leval jib door lock in the prior art.

Fig. 3 is the door latch structure schematic diagram of the utility model.

Fig. 4 is the door lock scheme of installation of the utility model.

Fig. 5 is the locking states figure of door lock in the utility model.

Fig. 6 is the unlocked state figure of door lock in the utility model.

Fig. 7 is the partial enlargement diagram of main lock in Fig. 6.

In figure: 1. lock pins, 2. short connecting rods, 3. springs, 4. handles, 5. idler wheels, 6. fixing seats, 7. mounting plates, 8. double leval jibs Door lock, 9. cover boards, 10. handles, 11. long connecting rods, 12. main locks, 13. transparent cover plates, 14. handles, 15. latch hooks, 16. main lock bodies, 17. connecting rod, 18. first articulated mountings, 19. second articulated mountings, 20. hinged seats.

Specific embodiment

Technical solutions of the utility model are described in detail below by attached drawing, but the protection scope of the utility model It is not limited to the embodiment.

Embodiment 1: a kind of door lock of novel track vehicle emergency evacuation door, structure such as Fig. 3, figure are present embodiments provided Shown in 4 and Fig. 5, including double leval jib door lock 8, double leval jib door lock 8 are mounted on the inside of cover board 9, and cover board 9 is mounted in egress door The both ends in portion, cover board 9 are rotatablely connected by the second articulated mounting 19 with egress door, and the centre of cover board 9 is set there are three hinged seat 20, Cover board 9 is rotatablely connected by hinged seat 20 and egress door.The both ends of cover board 9 pass through the first articulated mounting 18 and long connecting rod 11 respectively Top connection, the bottom end of long connecting rod 11 is hinged with the main lock 12 that is mounted on egress door.As shown in fig. 7, main lock 12 includes peace Main lock body 16 on egress door and the latch hook 15 being mounted in main lock body 16, main lock body 16 and latch hook 15 are hinged, latch hook 15 It is rotatablely connected with the lower end of long connecting rod 11.The outer panel of cover board 9 is equipped with handle, and the middle part of cover board 9 has square breach, side The top of v notch v is equipped with the transparent cover plate 13 for covering handle 14, and fixed plate is arranged in square breach, installs in fixed plate There is handle 14, handle 14 and double leval jib door lock 8 are rotatablely connected, and handle 14 is equipped with four for unlocking double leval jib door lock 8, handle 14 Angle head is equipped with quadrangle key with the cooperation of four angle heads.When maintenance, open transparent cover plate 13, use quadrangle key operate four angle heads with Unlock double leval jib door lock 8；In emergency circumstances, it need to destroy and directly rotate four angle heads after transparent cover plate 13, unlock double leval jib door lock 8.

Double leval jib door lock 8 includes two lock pins 1 and two short connecting rods 2, and one end rotation connection of lock pin 1 and short connecting rod 2 is short The other end and connecting rod 17 of connecting rod 2 are rotatablely connected, i.e. the both ends of connecting rod 17 are separately connected a short connecting rod 2, and connecting rod 17 is logical It crosses bolt to be fixedly connected with handle 14, spring 3 is connected between two short connecting rods 2, along the moving rail of short connecting rod 2 in fixed plate Mark is equipped with idler wheel 5.Lock pin 1 is mounted on the medial surface of cover board 9 by fixing seat 6, and lock pin 1 is horizontally disposed.

In actual use, it first passes through handle 14 and unlocks double leval jib door lock 8, then pull-up handle 10, cover board 9 is overturn about 90 °, Then the latch hook 15 of the main lock 12 positioned at egress door lower part is directly driven to unlock (see figure 6) by long connecting rod 11.Due to upper-turn-type The swing hinge of emergency evacuation door is located at the top of door leaf, and the locking points position of main lock 12 is by moving to door leaf lower part in the middle part of door leaf, more Good plays the effect for compressing sealing.

As described above, although the utility model has been indicated and described referring to specific preferred embodiment, it must not It is construed to the limitation to the utility model itself.In the spirit and scope for not departing from the utility model that appended claims define Under the premise of, it can various changes can be made in the form and details to it.

Claims

1. a kind of door lock of novel track vehicle emergency evacuation door, including double leval jib door lock, it is characterised in that: the Four-link door Lock is mounted on the inside of cover board, and the both ends of the cover board pass through the first articulated mounting respectively and the top of long connecting rod connects, described The bottom end of long connecting rod and the main lock being mounted on egress door are hinged；The outer panel of the cover board is equipped with handle, the cover board Middle part is equipped with handle, and the handle and double leval jib door lock are rotatablely connected.

2. a kind of door lock of novel track vehicle emergency evacuation door according to claim 1, it is characterised in that: the cover board Middle part has square breach, and fixed plate is arranged in the square breach, is equipped with handle in the fixed plate.

3. a kind of door lock of novel track vehicle emergency evacuation door according to claim 2, it is characterised in that: on the handle Equipped with four angle heads, quadrangle key is equipped with four angle head cooperation.

4. a kind of door lock of novel track vehicle emergency evacuation door according to claim 3, it is characterised in that: described rectangular The top of notch is equipped with transparent cover plate.

5. a kind of door lock of novel track vehicle emergency evacuation door according to claim 4, it is characterised in that: the double leval jib Door lock includes two lock pins and two short connecting rods, and the lock pin and short connecting rod are rotatablely connected, two short connecting rods respectively with connecting rod Rotation connection, the connecting rod are fixedly connected by bolt with handle, spring are connected between two short connecting rods, in the fixation Idler wheel is equipped with along the motion track of short connecting rod on plate.

6. a kind of door lock of novel track vehicle emergency evacuation door according to claim 5, it is characterised in that: the lockpin ventilating It crosses fixing seat to be mounted on the medial surface of cover board, and the lock pin is horizontally disposed.

7. a kind of door lock of novel track vehicle emergency evacuation door according to claim 1, it is characterised in that: the main lock packet The latch hook for including main lock body and being mounted in main lock body, the main lock body and latch hook are hinged, the lower end of the latch hook and long connecting rod Rotation connection.

8. a kind of door lock of novel track vehicle emergency evacuation door according to claim 1, it is characterised in that: the cover board peace Mounted in the middle part of egress door, and the cover board is rotatablely connected by the second articulated mounting and egress door.