CN214886289U - Door locking device of side-opening wagon - Google Patents

Abstract

The utility model provides a door locking device of side door freight train belongs to van door and makes technical field. The vehicle door locking device comprises a locking hook, a moving rod, a driving piece and a connecting seat, wherein a fixed hook is arranged on a vehicle door, a first locking plate is arranged on the locking hook, and a second locking plate which is mutually stopped by the first locking plate is arranged on the fixed hook. The utility model discloses a be equipped with a plurality of locking hook on the carriage release lever, be equipped with the fixed hook with the mutual backstop of locking hook on the door, the carriage release lever slides under the drive of driving piece, and then drive the locking hook and remove, when the door is closed, start the driving piece, it slides to promote the carriage release lever, make the second lock plate of fixed hook insert in the locking hook, and then make the first lock plate of locking hook and the mutual backstop of second lock plate of fixed hook overturn with the restriction door, can lock the door, and easy operation is convenient, time saving and labor saving.

Description

Door locking device of side-opening wagon

Technical Field

The utility model relates to a van door makes technical field, concretely relates to door locking device of side door freight train.

Background

The locking mechanism of the cargo compartment door opening mechanism for the van-type wagon sold in the market at present has poor locking effect, frequently slides open and is not locked tightly, can realize practical performance, has obvious locking performance, and has simple structure, convenient operation and novel appearance.

Chinese utility model patent CN201753550U provides a van door locking mechanism, fixed cover, locking handle frame assembly, the fixed cover of end and check lock lever handle assembly in the middle of check lock seat, locking lever assembly, check lock lever, the locking lever assembly is fixed on the goods railway carriage or compartment box through two check lock seats in both ends, and the locking lever assembly is fixed on the goods railway carriage or compartment door plant through fixed cover in the middle of the check lock lever and both ends fixed sleeve bottom plate altogether. The locking rod assembly comprises a locking rod and two locking rod heads welded at two ends of the locking rod. The locking rod handle assembly is movably connected with the locking rod; the back surfaces of the middle fixing sleeve of the locking rod and the back surfaces of the two end fixing sleeves are provided with middle fixing sleeve bottom plates which are used as anti-loosening devices for preventing the locking rod from being separated from the locking rod fixing sleeve. Although this locking mechanism can realize the locking of door, the carriage door passes through the check lock pole tightly to be imitated, because the length of check lock pole is longer, the operation of being not convenient for, the shock attenuation effect is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a door locking device of side door freight train, the mutual backstop of fixed hook on locking hook among the locking device and the door can lock the door, has good shock attenuation performance, and is easy and simple to handle.

The utility model provides a door locking device of side door freight train, including the locking hook that is used for locking the door, with locking hook fixed connection's carriage release lever, drive the driving piece of carriage release lever motion, with carriage release lever sliding connection's connecting seat, be equipped with the fixed hook on the door, be equipped with first locking plate on the locking hook, be equipped with on the fixed hook with the second locking plate of the mutual backstop of first locking plate.

Furthermore, a shock absorption pad is arranged on the inner wall of the first locking plate.

Further, the outer surface of the shock pad is provided with a smooth layer.

Further, the number of the locking hooks is not less than 1.

Further, the fixing hook is connected with the vehicle door through a fixing plate.

Further, the fixing hook and the fixing plate are fixedly connected through screws.

Further, the driving piece adopts a cylinder.

Further, the cylinder and the movable rod are connected through a pin shaft.

Further, a cavity is arranged in the moving rod.

Furthermore, the locking hook is provided with a reinforcing rib.

The utility model discloses a door locking device of side door freight train has following beneficial effect:

1. the utility model discloses a be equipped with a plurality of locking hook on the carriage release lever, be equipped with the fixed hook with the mutual backstop of locking hook on the door, the carriage release lever slides under the drive of driving piece, and then drive the locking hook and remove, when the door is closed, start the driving piece, it slides to promote the carriage release lever, make the second lock plate of fixed hook insert in the locking hook, and then make the first lock plate of locking hook and the mutual backstop of second lock plate of fixed hook overturn with the restriction door, can lock the door, and easy operation is convenient, time saving and labor saving.

2. First backstop board is equipped with the shock pad, reduces the vibrations that external impact brought the door, plays good shock attenuation effect to the surface of shock pad is equipped with the smooth layer, reduces the frictional force between first backstop board and the second backstop board, makes the smooth and easy locking hook that inserts of second backstop board, convenient operation.

3. The fixed hook passes through the fixed plate and is connected with the door, and the fixed hook adopts screw fixed connection with the fixed plate, when the fixed hook causes the damage owing to long-time the use, can dismantle the fixed hook from the fixed plate get off, is convenient for change.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.

Fig. 1 is the utility model discloses a door locking device of side door freight train's structure schematic diagram.

Fig. 2 the utility model discloses a door locking device's of side door freight train A department enlargedly.

In the figure, 10, the mobile rod; 11. a cavity; 20. a locking hook; 21. a first lock plate; 22. a shock pad; 23. a smoothing layer; 24. reinforcing ribs; 25. a first connecting plate; 30. a connecting seat; 40. a drive member; 50. a fixing plate; 60. a fixed hook; 61. a second lock plate; 62. a second connecting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The first embodiment is as follows: as shown in fig. 1-2, which is only one embodiment of the present invention, a door locking device for a side-door truck includes a locking hook 20 for locking a door, a moving rod 10 fixedly connected to the locking hook 20, a driving member 40 for driving the moving rod 10 to move, and a connecting seat 30 slidably connected to the moving rod 10, wherein a fixed hook 60 is disposed on the door, a first locking plate 21 is disposed on the locking hook 20, and a second locking plate 61 is disposed on the fixed hook 60 and stops the first locking plate 21.

The utility model discloses in, connecting seat 30 and freight train bottom plate fixed connection, carriage release lever 10 and connecting seat 30 sliding connection, connecting seat 30 are used for limiting the displacement about, around the carriage release lever 10 for carriage release lever 10 can only the horizontal slip, improves the stability of carriage release lever 10 motion. A plurality of locking hooks 20 are fixedly connected to the moving rod 10, the number of the locking hooks 20 is preferably 3, correspondingly, 3 fixing hooks 60 are fixedly connected to the vehicle door, and the plurality of locking hooks 20 are connected with the plurality of fixing hooks 60 on the vehicle door in a one-to-one correspondence manner, so that a better locking effect is achieved. The fixing hook 60 is connected with the vehicle door through the fixing plate 50, and because the mounting area of the fixing hook 60 is limited, the fixing plate 50 can increase the mounting area of the fixing hook 60 and the vehicle door, the connecting strength of the fixing hook 60 and the vehicle door is increased, and the fixing hook 60 is convenient to mount. The fixing hook 60 is fixedly connected with the fixing plate 50 through screws, and when the fixing hook 60 is damaged due to long-term use, the fixing hook 60 can be detached from the fixing plate 50, so that replacement is facilitated. The driving part 40 is a cylinder, the cylinder is fixedly connected with the bottom plate of the truck, a telescopic rod of the cylinder is fixedly connected with the moving rod 10 through a pin shaft, and the moving rod 10 slides under the driving of the cylinder so as to drive the locking hook 20 to move. The locking hook 20 comprises a first locking plate 21 and a first connecting plate 25, the first connecting plate 25 is fixedly connected with the moving rod 10, a shock absorption pad 22 is arranged on the inner wall of the first locking plate 21, and a smooth layer 23 is arranged on the outer surface of the shock absorption pad 22. The first locking plate 21 is disposed along the length direction of the moving rod 10, and one end of the first connecting plate 25 is connected to the first locking plate 21, and the other end is connected to the moving rod 10, so that an opening is formed between the locking hook 20 and the moving rod 10 for inserting the second locking plate 61 of the fixing hook 60. The fixing hook 60 includes a second locking plate 61 and a second connecting plate 62, and the second connecting plate 62 is fixedly connected to the fixing plate 50. Referring to fig. 1, when the vehicle door is closed, the cylinder is started, the cylinder pushes the moving rod 10 to slide rightward, the locking hook 20 moves rightward along with the moving rod 10 until the second locking plate 61 of the fixed hook 60 is inserted into the locking hook 20, and at this time, the first locking plate 21 of the locking hook and the second locking plate 61 of the fixed hook 60 stop each other to limit the vehicle door from turning over, so that the vehicle door is locked; when the door is opened to needs, start the cylinder again, the cylinder promotes the carriage release lever 10 and slides left, and locking hook 20 moves left along with carriage release lever 10, and second lock plate 61 of fixed hook 60 breaks away from locking hook 20 in, and the door is opened in the upset, and whole operation process is simple convenient, labour saving and time saving.

It should be noted that, the shock pad 22 is bonded on the inner wall of the first lock plate 21, the shock pad 22 is made of rubber and the like, so that the shock caused by external impact on the vehicle door is reduced, a good shock absorption effect is achieved, the rigid contact between the first lock plate 21 and the second lock plate 61 is avoided, the abrasion between the locking hook 20 and the fixing hook 60 due to collision and other reasons is reduced, and the service life of the locking hook 20 and the fixing hook 60 is prolonged. The outer surface of the shock pad 22 is provided with a smooth layer 23, so that the friction force between the first stop plate and the second stop plate is reduced, the second stop plate is smoothly inserted into the locking hook, and the operation is convenient.

The moving rod 10 is provided with a cavity 11, so that the weight of the moving rod 10 is reduced, and the movement of the moving rod 10 is more stable.

The locking hook 20 is provided with a reinforcing rib 24.

The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.

It should be noted that, in the description of the present application, it should be noted that the terms "upper end", "lower end" and "bottom end" indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which the product of the application is usually placed in when the product of the application is used, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides a door locking device of side door freight train which characterized in that: including locking hook (20) that is used for locking the door, with locking hook (20) fixed connection's carriage release lever (10), drive driving piece (40) of carriage release lever (10) motion, with carriage release lever (10) sliding connection's connecting seat (30), be equipped with fixed hook (60) on the door, be equipped with first locking plate (21) on locking hook (20), be equipped with on fixed hook (60) with second locking plate (61) of first locking plate (21) mutual backstop.

2. A door latch assembly for a side opening freight car as defined in claim 1, wherein: and a shock absorption pad (22) is arranged on the inner wall of the first locking plate (21).

3. A door latch assembly for a side opening freight car as claimed in claim 2, wherein: the outer surface of the shock pad (22) is provided with a smooth layer (23).

4. A door latch assembly for a side opening freight car as defined in claim 1, wherein: the number of the locking hooks (20) is not less than 1.

5. A door latch assembly for a side opening freight car as defined in claim 1, wherein: the fixing hook (60) is connected with the vehicle door through a fixing plate (50).

6. The door latch assembly of a side door truck as set forth in claim 5, wherein: the fixing hook (60) is fixedly connected with the fixing plate (50) by screws.

7. A door latch assembly for a side opening freight car as defined in claim 1, wherein: the driving piece (40) adopts a cylinder.

8. The door latch assembly of a side door truck as set forth in claim 7, wherein: the cylinder and the movable rod (10) are connected by a pin shaft.

9. A door latch assembly for a side opening freight car as defined in claim 1, wherein: a cavity (11) is arranged in the moving rod (10).

10. A door latch assembly for a side opening freight car as defined in claim 1, wherein: and reinforcing ribs (24) are arranged on the locking hooks (20).

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