CN108678576B - Side door lock of railway car and railway car door - Google Patents
Side door lock of railway car and railway car door Download PDFInfo
- Publication number
- CN108678576B CN108678576B CN201810682970.2A CN201810682970A CN108678576B CN 108678576 B CN108678576 B CN 108678576B CN 201810682970 A CN201810682970 A CN 201810682970A CN 108678576 B CN108678576 B CN 108678576B
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- CN
- China
- Prior art keywords
- lock
- unlocking
- shifting block
- handle
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
- E05B83/36—Locks for passenger or like doors
- E05B83/363—Locks for passenger or like doors for railway vehicles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/22—Functions related to actuation of locks from the passenger compartment of the vehicle
- E05B77/24—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like
- E05B77/245—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like by blocking the movement of a movable element
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B79/00—Mounting or connecting vehicle locks or parts thereof
- E05B79/10—Connections between movable lock parts
- E05B79/22—Operative connections between handles, sill buttons or lock knobs and the lock unit
Abstract
The invention discloses a side door lock of a railway vehicle and a railway vehicle door, which comprise an inner operating device, an outer operating device and a ball head pull rod assembly, wherein the inner operating device comprises an inner operating handle, an inner lock box assembly, an inner unlocking shifting block, a safety block and a lock bottom plate; the outer operating device comprises an outer operating handle, an outer lock plate assembly, a lock bottom plate and an outer unlocking shifting block; the ball head pull rod assembly comprises an unlocking slide block, a ball head pull rod, a spring bolt reset pressure spring, a spring bolt sleeve and a spring bolt; the inner unlocking shifting block and the outer unlocking shifting block comprise a shifting block shaft and a shifting block body which are connected with each other, the shifting block shaft of the inner unlocking shifting block is connected with an inner operation handle, and the shifting block shaft of the outer unlocking shifting block is connected with an outer operation handle. When the side door of the railway car is required to be unlocked, the inner operation handle or the outer operation handle drives the unlocking sliding block to move downwards, the unlocking sliding block pulls the lock tongue to retract into the lock tongue sleeve, unlocking is completed, and when the side door of the railway car is opened from the inside, locking of the safety block is required to be released. The invention has simple structure, convenient installation and maintenance and higher overall reliability.
Description
Technical Field
The invention relates to the technical field of vehicle safety, in particular to a side door lock of a railway vehicle and a railway vehicle door.
Background
At present, a plurality of side door locking mechanisms of a train cab are pull rod locks, and because of the plurality of connecting pieces between the pull rods and unlocking components, the assembly operation is complex, and meanwhile, the skill requirements on assembly workers are relatively high, so that the overall reliability of the door lock is not high. Particularly, after-sales service personnel cannot control the maintenance quality of the door lock, so that the difficulty is increased for the maintenance of the door lock, and the maintenance reliability of the locking mechanism is reduced.
Therefore, reducing the assembly and maintenance requirements of door locks, improving the reliability and maintainability of the device, is a real requirement for many rail transit owners.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a side door lock of a railway vehicle and a railway vehicle door, and solves the technical problems of complex structure, difficult assembly and low overall reliability of the side door lock of the railway vehicle in the prior art.
In order to achieve the above object, the present invention adopts the following technical scheme:
the utility model provides a railcar side lock which characterized in that: the inner operating device comprises an inner operating handle, an inner lock box assembly, an inner unlocking shifting block, a safety block and a lock bottom plate; the outer operating device comprises an outer operating handle, an outer lock plate assembly, a lock bottom plate and an outer unlocking shifting block; the ball head pull rod assembly comprises an unlocking slide block, a ball head pull rod, a spring bolt reset pressure spring, a spring bolt sleeve and a spring bolt; the inner unlocking shifting block and the outer unlocking shifting block comprise a shifting block shaft and a shifting block body which are connected with each other, the shifting block shaft of the inner unlocking shifting block is connected with an inner operation handle, the shifting block shaft of the outer unlocking shifting block is connected with an outer operation handle, the shifting block body of the inner unlocking shifting block and the shifting block body of the outer unlocking shifting block are connected with unlocking sliding blocks, the lock bottom plate is connected with an inner lock box assembly and is used for fixing the unlocking sliding blocks to the inner lock box assembly, the unlocking sliding blocks are connected with the lower end of a ball head pull rod, the upper end of the ball head pull rod is connected with a lock tongue, the side part of the lock tongue is further connected with a lock tongue sleeve, and the ball head pull rod assembly is further provided with a lock tongue driving device used for extending the lock tongue from the lock tongue sleeve.
As an optimization scheme, the side door lock of the rail car comprises the spring seat connected to the ball-head pull rod, one end of the spring return pressure spring is connected with the spring seat sleeve, and the other end of the spring return pressure spring is connected with the spring seat.
As an optimization scheme, the side door lock of the rail car is characterized in that the end part of the ball head pull rod is provided with a ball head, the lock tongue is provided with a lock tongue groove, and the ball head is connected with the lock tongue groove.
As an optimization scheme, the side door lock of the railway car is characterized in that the ball head pull rod is connected with the unlocking slide block through the pin shaft.
As an optimization scheme, the side door lock of the railway car is characterized in that the outer unlocking shifting block is connected with the outer operating handle through screws, the inner unlocking shifting block is connected with the inner operating handle through screws, and the lock bottom plate is connected with the inner lock box assembly through screws.
As an optimization scheme, the side door lock of the rail car is characterized in that the spring seat is connected to the ball head pull rod through the screw, and the spring seat can axially slide along the ball head pull rod.
As an optimization scheme, the side door lock of the rail car is characterized in that a nylon gasket is further arranged between the spring seat and the spring bolt reset pressure spring.
As an optimization scheme, the side door lock of the railway car is characterized in that the safety block is connected with the lock cylinder, and when the lock cylinder is locked, the safety block is connected with the unlocking slide block for preventing the lock tongue from unlocking.
As an optimization scheme, the inner operating device further comprises an inner handle bushing and an inner handle reset spring, the inner operating handle is connected with the inner lock box assembly through the inner handle bushing, one end of the inner handle reset spring is connected with the inner lock box assembly, the other end of the inner handle reset spring is connected with the inner handle bushing, the outer operating device further comprises an outer handle bushing and an outer handle reset spring, the outer operating handle is connected with the outer lock plate assembly through the outer handle reset spring, one end of the outer handle reset spring is connected with the outer lock plate assembly, and the other end of the outer handle reset spring is connected with the outer handle bushing.
A rail car door is provided with the rail car side door lock.
The invention has the beneficial effects that: the invention has simple structure, convenient installation and maintenance and higher overall reliability, can reduce the assembly and maintenance requirements of the door lock, has simple structure of the locking mechanism, greatly reduces the link elements, simplifies the assembly and maintenance of the mechanism, changes the movement mode of the unlocking mechanism, and improves the reliability of the parts of the door lock. On the basis of simplified structure, the door can be opened manually by a customer without using a key or a special tool, and the door can be opened only by using a crew key when the inside of the door is opened.
When the side door of the railway car is required to be unlocked, the inner operation handle or the outer operation handle drives the unlocking sliding block to move downwards, the unlocking sliding block pulls the lock tongue to retract into the lock tongue sleeve, unlocking is completed, and when the side door of the railway car is opened from the inside, locking of the safety block is required to be released.
Drawings
FIG. 1 is an overall exploded view of the present invention;
FIG. 2 is an exploded view of the internal operating device of the present invention;
FIG. 3 is an exploded view of the external operating device of the present invention;
FIG. 4 is an exploded view of the ball stud assembly of the present invention;
FIG. 5 is a free state diagram I of the present invention;
FIG. 6 is a free state diagram II of the present invention;
FIG. 7 is a diagram of an internal unlocked state of the present invention;
FIG. 8 is a second internal unlock state diagram of the present invention;
FIG. 9 is a diagram of an external unlocked state of the present invention;
FIG. 10 is a second external unlocked state diagram of the present invention;
meaning of reference numerals: 1-a lock tongue; 2-a lock tongue sleeve; 3-spring bolt reset pressure spring; 4-a ball head pull rod; 41-spring seat; 44-nylon gasket; 43-ball head; 5-inner unlocking the shifting block; 6-an inner lock box assembly; 7-an inner operating handle; 71-an inner handle bushing; 72-an inner handle return spring; 8-a safety block; 9-unlocking the slide block; 10-outer unlocking a shifting block; 11-pin shafts; 12-a lock base; 13-an outer lock plate assembly; 14-an outside operating handle; 141-an outer handle bushing; 142-outer handle return spring.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 3: the embodiment discloses a side door lock of a railway car, which comprises an inner operating device, an outer operating device and a ball head pull rod assembly, wherein the inner operating device comprises an inner operating handle 7, an inner lock box assembly 6, an inner unlocking shifting block 5, a safety block 8 and a lock bottom plate 12; the outer operating device comprises an outer operating handle 14, an outer lock plate assembly 13, a lock bottom plate 12 and an outer unlocking shifting block 10; the ball head pull rod assembly comprises an unlocking slide block 9, a ball head pull rod 4, a spring bolt reset pressure spring 3, a spring bolt sleeve 2 and a spring bolt 1; the inner unlocking shifting block 5 and the outer unlocking shifting block 10 comprise a shifting block shaft and a shifting block body which are mutually connected, the shifting block shaft of the inner unlocking shifting block 5 is connected with an inner operation handle 7, the shifting block shaft of the outer unlocking shifting block 10 is connected with an outer operation handle 14, the shifting block body of the inner unlocking shifting block 5 and the shifting block body of the outer unlocking shifting block 10 are both connected with an unlocking sliding block 9, a lock bottom plate 12 is connected with an inner lock box assembly 6 and used for fixing the unlocking sliding block 9 on the inner lock box assembly 6, the unlocking sliding block 9 is connected with the lower end of a ball head pull rod 4, the upper end of the ball head pull rod 4 is connected with a lock tongue 1, the lateral part of the lock tongue 1 is also connected with a lock tongue sleeve 2, the ball head pull rod assembly is further provided with a lock tongue driving device used for extending the lock tongue 1 from the lock tongue sleeve 2, and when the inner unlocking shifting block 5 or the outer unlocking shifting block 10 drives the unlocking sliding block 9 to drive the lock tongue 1 to retract into the lock tongue sleeve 2.
As shown in fig. 4: the spring bolt driving device of the embodiment further comprises a spring seat 41 connected to the ball-head pull rod 4, one end of the spring bolt resetting pressure spring 3 is connected with the spring bolt sleeve 2, and the other end of the spring bolt resetting pressure spring is connected with the spring seat 41. The end of the ball head pull rod 4 is provided with a ball head 43, the lock tongue 1 is provided with a lock tongue groove 101, and the ball head 43 is connected with the lock tongue groove 101. The spring seat 41 is connected to the ball-head pull rod 4 through a screw, and when the screw is loosened, the spring seat 41 can axially slide along the ball-head pull rod 4, so that the position and assembly of the lock tongue 1 relative to the lock tongue sleeve 2 can be conveniently adjusted. During assembly, the ball 43 is inserted into the lock tongue groove 101, and then the ball 43 and the lock tongue groove are inserted into the lock tongue sleeve 2, and the lock tongue sleeve 2 can prevent the ball 43 from sliding out of the lock tongue groove 101. The spring bolt reset pressure spring 3 always keeps certain pre-elastic force, and the spring bolt 1 can always extend out of the spring bolt sleeve 2 in a natural state.
In order to reduce the wear of the spring seat 41 and the spring bolt return compression spring 3, a nylon spacer 44 is preferably further provided between the spring seat 41 and the spring bolt return compression spring 3.
The ball head pull rod 4 and the unlocking slide block 9 are connected through a pin shaft 11.
The outer unlocking shifting block 10 is connected with the outer operating handle 14 through screws, the inner unlocking shifting block 5 is connected with the inner operating handle 7 through screws, and the lock bottom plate 12 is also connected with the inner lock box assembly 6 through screws.
The safety block 8 is connected with the lock core, and when the lock core is locked, the safety block 8 is connected with the unlocking slide block 9 for preventing the lock tongue 1 from unlocking.
In order to further enhance the reliability of the lock tongue 1, the inner operating handle 7 and the outer operating handle 14 are prevented from opening the lock tongue 1 (retracting into the lock tongue sleeve 2) under the action of gravity, the inner operating device of the embodiment further comprises an inner handle bushing 71 and an inner handle return spring 72, the inner operating handle 7 is connected to the inner lock box assembly 6 through the inner handle bushing 71, one end of the inner handle return spring 72 is connected to the inner lock box assembly 6, the other end is connected to the inner handle bushing 71, the inner operating handle 7 and the inner handle bushing 71 are connected through a specific shape, a key function such as a square shape is achieved, when the inner operating handle 7 rotates, the inner handle bushing 71 can be driven to rotate, then one end of the inner handle return spring 72 is driven to rotate, and the inner handle return spring 72 is used for enabling the inner operating handle 7 to always keep a certain pretwist towards a preset state.
The outer operating device further comprises an outer handle bushing 141 and an outer handle return spring 142, the outer operating handle 14 is connected with the outer lock plate assembly 13 through the outer handle return spring 142, one end of the outer handle return spring 142 is connected with the outer lock plate assembly 13, the other end of the outer handle return spring 142 is connected with the outer handle bushing 141, the outer handle return spring 142 and the inner handle return spring 72 have the same function, and the inner operating handle 7 always keeps a certain pretorque to a preset state, and the specific principle is not repeated here.
The embodiment also discloses a rail car door, which is provided with the rail car side door lock of the embodiment.
With reference to fig. 5 and 6: in a natural state (without external force), the bolt 1 extends out of the bolt sleeve 2, the inner operating handle 7 and the outer operating handle 14 are in an original state, and the original states of the two handles are vertical in the embodiment.
Referring to fig. 7 and 8: when the inside is required to be unlocked, the inner operation handle 7 is operated to rotate a certain angle, the inner operation handle 7 is connected with a shifting block shaft of the inner unlocking shifting block 5, the cross section of the shifting block shaft of the inner unlocking shifting block 5 of the embodiment is rectangular and plays a role of a key, the inner operation handle 7 drives the inner unlocking shifting block 5 to rotate, a shifting block body of the inner unlocking shifting block 5 is connected with the unlocking sliding block 9 to drive the unlocking sliding block 9 to move downwards, the unlocking sliding block 9 pulls the lock tongue 1 to retract into the lock tongue sleeve 2 to finish unlocking, and the track door can be opened. After unlocking is completed, when the inner operating handle 7 is released, the inner operating handle 7 and the lock tongue 1 are restored to the original state under the combined action of the inner handle return spring 72 and the lock tongue return pressure spring 3.
Referring to fig. 9 and 10: when the outside is required to be unlocked, the outer operating handle 14 is operated to rotate a certain angle, the outer operating handle 14 drives the unlocking slide block 9 to move downwards through the outer unlocking shifting block 10, the unlocking slide block 9 pulls the lock tongue 1 to retract into the lock tongue sleeve 2, unlocking is completed, and therefore a user can manually open the railway car door outside a door without using a key or a special tool. After unlocking is completed, when the outer operating handle 14 is released, the outer operating handle 14 and the lock tongue 1 are restored to the original state under the combined action of the outer handle return spring 142 and the lock tongue return pressure spring 3.
The inner unlocking shifting block 5 and the outer unlocking shifting block 10 of the embodiment are not connected, and the working processes of the inner unlocking shifting block 5 and the outer unlocking shifting block are independent and do not interfere with each other.
The invention has simple structure, convenient installation and maintenance and higher overall reliability, can reduce the assembly and maintenance requirements of the door lock, has simple structure of the locking mechanism, greatly reduces the link elements, simplifies the assembly and maintenance of the mechanism, changes the movement mode of the unlocking mechanism, and improves the reliability of the parts of the door lock. On the basis of the simplified structure, the door can be opened manually by a customer without using a key or a special tool outside the door, and the door can be opened only by using the key when the door is opened from the inside.
When unlocking is needed, the inner operation handle 7 or the outer operation handle 14 drives the unlocking slide block 9 to move downwards, the unlocking slide block 9 pulls the lock tongue 1 to retract into the lock tongue sleeve 2, unlocking is completed, and when the side door of the railway vehicle is opened from the inside, unlocking can be completed by releasing the locking of the safety block 8.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (7)
1. The utility model provides a railcar side lock which characterized in that: the inner operating device comprises an inner operating handle (7), an inner lock box assembly (6), an inner unlocking shifting block (5), a safety block (8) and a lock bottom plate (12); the outer operating device comprises an outer operating handle (14), an outer lock plate assembly (13), a lock bottom plate (12) and an outer unlocking shifting block (10); the ball head pull rod assembly comprises an unlocking slide block (9), a ball head pull rod (4), a spring bolt reset pressure spring (3), a spring bolt sleeve (2) and a spring bolt (1); the inner unlocking shifting block (5) and the outer unlocking shifting block (10) comprise shifting block shafts and shifting block bodies which are connected with each other, the shifting block shafts of the inner unlocking shifting block (5) are connected with an inner operation handle (7), the shifting block shafts of the outer unlocking shifting block (10) are connected with an outer operation handle (14), the shifting block bodies of the inner unlocking shifting block (5) and the shifting block bodies of the outer unlocking shifting block (10) are connected with unlocking slide blocks (9), the locking bottom plate (12) is connected with an inner locking box assembly (6) and is used for fixing the unlocking slide blocks (9) on the inner locking box assembly (6), the unlocking slide blocks (9) are connected with the lower end of a ball-head pull rod (4), the upper end of the ball-head pull rod (4) is connected with a lock tongue (1), the side part of the lock tongue (1) is also connected with a lock tongue sleeve (2), and when the lock is unlocked, the inner unlocking shifting block (5) or the outer unlocking block (10) drives the unlocking slide blocks (9) to drive the lock tongue sleeve (1) to retract into the lock tongue sleeve (2);
the spring bolt driving device comprises a spring seat (41) connected with the ball head pull rod (4), one end of the spring bolt reset pressure spring (3) is connected with the spring bolt sleeve (2), and the other end of the spring bolt reset pressure spring is connected with the spring seat (41);
the spring seat (41) is connected to the ball head pull rod (4) through a screw, and the spring seat (41) can axially slide along the ball head pull rod (4);
the ball head pull rod (4) is connected with the unlocking slide block (9) through a pin shaft (11).
2. The railcar side door lock of claim 1, wherein: the end part of the ball head pull rod (4) is provided with a ball head (43), the lock tongue (1) is provided with a lock tongue groove (101), and the ball head (43) is connected with the lock tongue groove (101).
3. The railcar side door lock of claim 1, wherein: the outer unlocking shifting block (10) is connected with the outer operating handle (14) through a screw, the inner unlocking shifting block (5) is connected with the inner operating handle (7) through a screw, and the lock bottom plate (12) is also connected with the inner lock box assembly (6) through a screw.
4. The railcar side door lock of claim 1, wherein: nylon gaskets (44) are further arranged between the spring seats (41) and the spring bolt reset pressure springs (3).
5. The railcar side door lock of claim 1, wherein: the lock cylinder is connected with the safety block (8), and when the lock cylinder is locked, the safety block (8) is connected with the unlocking slide block (9) for preventing the lock tongue (1) from being unlocked.
6. The railcar side door lock of claim 1, wherein: the inner operation device further comprises an inner handle bushing (71) and an inner handle reset spring (72), the inner operation handle (7) is connected to the inner lock box assembly (6) through the inner handle bushing (71), one end of the inner handle reset spring (72) is connected to the inner lock box assembly (6), the other end of the inner handle reset spring is connected to the inner handle bushing (71), the outer operation device further comprises an outer handle bushing (141) and an outer handle reset spring (142), the outer operation handle (14) is connected to the outer lock plate assembly (13) through the outer handle reset spring (142), one end of the outer handle reset spring (142) is connected to the outer lock plate assembly (13), and the other end of the outer handle reset spring is connected to the outer handle bushing (141).
7. A rail vehicle door, characterized in that: a railcar side door lock provided with the railcar side door lock of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810682970.2A CN108678576B (en) | 2018-06-28 | 2018-06-28 | Side door lock of railway car and railway car door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810682970.2A CN108678576B (en) | 2018-06-28 | 2018-06-28 | Side door lock of railway car and railway car door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108678576A CN108678576A (en) | 2018-10-19 |
| CN108678576B true CN108678576B (en) | 2023-09-15 |
Family
ID=63812419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810682970.2A Active CN108678576B (en) | 2018-06-28 | 2018-06-28 | Side door lock of railway car and railway car door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108678576B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185340B (en) * | 2019-07-05 | 2024-01-26 | 山东太古飞机工程有限公司 | Door lock device of handcart |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202249284U (en) * | 2011-08-17 | 2012-05-30 | 李林生 | Two-way automatic lock structure and door and window consisting of same |
| CN205637930U (en) * | 2016-06-01 | 2016-10-12 | 刘庭权 | Bolt device |
| CN208380338U (en) * | 2018-06-28 | 2019-01-15 | 南京康尼机电股份有限公司 | A kind of railcar side door lock and track car door |
-
2018
- 2018-06-28 CN CN201810682970.2A patent/CN108678576B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202249284U (en) * | 2011-08-17 | 2012-05-30 | 李林生 | Two-way automatic lock structure and door and window consisting of same |
| CN205637930U (en) * | 2016-06-01 | 2016-10-12 | 刘庭权 | Bolt device |
| CN208380338U (en) * | 2018-06-28 | 2019-01-15 | 南京康尼机电股份有限公司 | A kind of railcar side door lock and track car door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108678576A (en) | 2018-10-19 |
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