CN206203100U - Locking device, container door structure and container - Google Patents

Abstract

The utility model provides a kind of locking device, chamber door and container.Wherein locking device includes the first locking device and the second locking device, and at least the first locking device is set to not produced in unblock makes the thrust of door leaf external-open, to enable that the first locking device and the second locking device are unlocked respectively.According to container of the present utility model, two locking bars of its chamber door need to unlock respectively in order, it is only necessary to which a people can complete operation, it is to avoid need the inconvenience operate simultaneously caused by, and easily can be operated from the side of chamber door, improve the unloading efficiency and security of container.

Description

Locking device, container door structure and container

technical field

The utility model generally relates to the field of container transportation, and more specifically relates to a locking device, a container door structure and a container.

Background technique

In order to facilitate the loading and unloading of goods, the container is usually provided with a door structure that is easy to open. In addition, in order to meet the requirements of the relevant specifications of the container, the door structure should be provided with a lock bar, and the container door frame should be provided with a lock seat correspondingly.

For example, in an existing container, in order to achieve better locking, two lock bars extending laterally are arranged in parallel up and down at the container end door, and the lock heads at both ends of each lock bar are formed as claws. type structure. Thus, when the lock lever rotates in the locking direction, the lock head of the claw structure can rotate from an unlocked position inserted into the lock seat to a locked position inserted into the lock seat, so as to realize locking. Conversely, when the lock bar rotates in the unlocking direction, the lock head releases the cooperation with the lock seat, and since the claw-shaped structure protrudes laterally inward at this time and abuts against the lock seat or the adjacent door frame, the entire lock bar generates The outward force, that is, the force towards the opening direction of the box door, thus drives the box door to open outwards. In order to prevent this outward force from deforming the container door, it is required that the two lock bars be unlocked simultaneously when the door is opened.

However, when the user has to unlock the two locking levers separately due to cargo extrusion or other conditions inside the container, as mentioned above, the action of one locking lever will generate a force in the direction of opening the door, while the other locking lever will Still not unlocked at this time, the lock head and the lock seat are still in tight fit, which will easily cause deformation of the door leaf, or cause damage to any lock head or lock seat, and then affect the sealing effect of the door leaf and the service life of the locking device.

In addition, especially for bulk cargo containers, in order to prevent safety accidents caused by the cargo in the box rushing out under the action of gravity during the opening process of the door, the discharge door usually needs to be opened from the side, but the two doors are operated simultaneously from the side. It is relatively difficult to lock the lever, and unlocking it separately is likely to cause deformation of the door leaf or damage to the locking device.

Therefore, it is necessary to provide a container door locking device and a container having the same, so as to at least partly solve the above problems.

Utility model content

In order to at least partly solve the above problems, the utility model provides a locking device for a container, which includes:

The first locking device, the first locking device includes:

a first locking bar rotatably connected to a door leaf of the container;

a first locking head, the first locking head is arranged on the first locking rod;

a first lock seat, the first lock seat is fixedly connected to the box body of the container, and cooperates with the first lock head to lock the first locking device; and

The second locking device, the second locking device includes:

a second locking bar rotatably connected to the door leaf;

a second locking head, the second locking head is arranged on the second locking rod;

a second lock seat, the second lock seat is fixedly connected to the box body, and cooperates with the second lock head to lock the second locking device;

Wherein, at least the first lock head is set so that when the cooperation with the first lock seat is released, no thrust force is generated to open the door leaf, so that the first locking device and the second locking device can unlocked separately.

Optionally, the first lock head is configured as a hook-shaped structure, the hook-shaped structure protrudes outward along the radial direction of the first lock rod, and the farthest end of the hook-shaped structure is away from the first The distance between the axis of the locking rod is smaller than the minimum distance between the surface of the box at the installation position of the first lock seat and the axis of the first locking rod.

Optionally, the lock head of the second lock bar is set as a claw-shaped structure, the claw-shaped structure protrudes outward along the radial direction of the second lock bar, and the farthest end of the claw-shaped structure is The distance between the axis of the second locking rod is greater than the minimum distance between the surface of the box at the installation position of the second lock base and the axis of the second locking rod.

Optionally, it also includes a first lock bar handle and a second lock bar handle, the first lock bar handle and the second lock bar handle are vertically and fixedly connected to the first lock bar and the second lock bar respectively. lock lever.

Optionally, when the first locking device is locked, the outer profile of the first lock head away from the first lock seat is arc-shaped.

Optionally, the first locking bar is provided with a limiting part, and when the first locking device and the second locking device are both in a locked state, the limiting part blocks the second locking bar handle, so that the second locking rod of the second locking device cannot be rotated.

According to another aspect of the present utility model, there is provided a box door for a container, which includes:

a door leaf pivotably connected to the body of the container; and

Any locking device as previously described.

Optionally, the door leaf is connected to the container in the form of an upper flap door or a side door.

Optionally, the door leaf is hinged to the box body, and the distance between the first lock bar and the hinge is smaller than the distance between the second lock bar and the hinge.

Optionally, when the door leaf is arranged in the form of an upper flap, the second lock lever handle is close to a side of the box body adjacent to the door leaf.

According to another aspect of the present utility model, a container is provided, which includes any one of the aforementioned container doors.

According to the container of the utility model, the locking device of the container door includes a first locking device and a second locking device. And the first locking device and the second locking device need to be locked or unlocked respectively. Specifically, when locking, it is necessary to lock the second locking device first and then the first locking device, and when unlocking it is necessary to unlock the second locking device first and then unlock the first locking device. According to the container of the utility model, the two locking levers of the box door need to be unlocked separately in sequence, and only one person is required to complete the operation, which avoids the inconvenience caused by simultaneous operation, and can be conveniently operated from the side of the box door , improving the unloading efficiency and safety of the container.

Description of drawings

The following drawings are here used as a part of the utility model for understanding the utility model. In the attached picture:

Figure 1 is a front view of a preferred embodiment of the container shown in the utility model, wherein both the first locking bar and the second locking bar are locked;

Fig. 2 is a side partial view of the container shown in Fig. 1, wherein both the first locking device and the second locking device are locked;

Fig. 3 is a side partial view of the container shown in Fig. 1, wherein both the first locking device and the second locking device are unlocked;

Fig. 4A is a partially enlarged view of part A in Fig. 1;

Fig. 4B is a partially enlarged view of part C in Fig. 2;

FIG. 5A is a partially enlarged view of part B in FIG. 1;

Figure 5B is a partial enlarged view of part D in Figure 2; and

Fig. 6 is a side partial view of the container shown in Fig. 1, wherein the first locking device is locked and the second locking device is unlocked.

detailed description

In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, some technical features known in the art are not described in order to avoid confusion with the present invention.

Fig. 1 schematically shows a container according to the present invention.

As shown in FIG. 1 , a container 1 includes a box body 3 and a box door 2 . The box door 2 includes a locking device 10 and a door leaf 20 . The door leaf 20 is hinged to the bottom of the end surface of the box body 3 through four hinges 30 in the form of a flap door, and can pivot upward around the hinges 30 to open the container 1 or pivot downward to close the container 1 . Certainly, the door leaf 20 can also be arranged on other surfaces of the box body 3 in other forms (such as side-opening doors), and the number of hinges 30 can be determined according to the specific size of the door leaf 20, which is not limited by the present invention.

The locking device 10 for the container 1 includes a first locking device 10a and a second locking device 10b. The first locking device 10 a includes a first locking bar 100 , a first locking head 101 and a first locking seat 401 . The second locking device 10 b includes a second locking bar 200 , a second locking head 201 and a second locking seat 402 .

The first locking rod 100 and the second locking rod 200 are respectively installed on the door leaf 20 through the mounting seat 300 , and can respectively rotate around their respective axes in the mounting seat 300 . The first locking bar 100 and the second locking bar 200 are respectively arranged parallel to the side where the hinge 30 of the door leaf 20 is located, and the distance between the first locking bar 100 and the hinge 30 is smaller than the distance between the second locking bar 200 and the hinge 30 .

Both ends of the first lock rod 100 are respectively provided with first lock heads 101, and at positions corresponding to the first lock heads 101 on the box body 3, first lock seats 401 cooperating with the first lock heads 101 are fixedly provided respectively. . Specifically, as shown in FIG. 4A and FIG. 4B , the first lock head 101 is a hook-shaped structure, including a body portion 101 a fixed around the first locking rod 100 and a hook-shaped portion 101 b protruding radially outward from the body portion 101 a. The first lock seat 401 is a limit baffle welded to the position of the box body 3 corresponding to the first lock head 101 . Wherein, the outer contour of the side of the hook portion 101b that is away from the first lock seat 401 when mating with the first lock seat 401 is roughly arc-shaped, and the point on the outer contour of the hook portion 101b is set at a distance from the first lock bar. The maximum distance of the axis of 100 is smaller than the minimum distance of the surface of the box body 3 where the first lock seat 401 is installed to the axis of the first lock bar 100 .

As shown in Figure 2, when the door leaf 20 is closed, the first lock head 101 rotates clockwise with the first lock lever 100 at the position indicated by the dotted line. Blocking by the seat 401 prevents the first locking bar 100 from continuing to rotate, and at this moment, the first locking device 10a is locked. When unlocking, the first lock lever 100 is operated to drive the first lock head 101 to rotate counterclockwise, and the hook portion 101 b is disengaged from the first lock seat 401 . Since the maximum distance between a point on the outer contour of the hook portion 101b and the axis of the first locking rod 100 is smaller than the minimum distance between the surface of the box body 3 where the first lock seat 401 is installed and the axis of the first locking rod 100, When the first lock head 101 rotates counterclockwise with the first lock lever 100 to unlock, the outermost hook portion 101b of the first lock head 101 does not come into contact with the box body 3. In other words, the first lock head 101 When unlocking, there is no effect of opening the door leaf 20 outwards. Therefore, the unlocking process of the first locking device 10 a will not affect the closed state of the door leaf 20 .

Preferably, a first locking lever handle 102 is provided on the first locking lever 100 to facilitate the operation of the first locking lever 100 . A first lock bar handle seat 501 is provided at a corresponding position on the surface of the door leaf 20 . When the first locking device 10a is in the locked state, the first locking lever handle 102 is close to the surface of the door leaf 20 and fixed by the first locking lever handle seat 501, so that the first locking device 10a remains in the locked state. At the same time, such a design can also avoid the danger caused by the first lock lever handle 102 protruding from the container 1 , and facilitate hoisting or other operations on the container 1 .

The two ends of the second lock rod 200 are provided with the second lock head 201 respectively, and the positions corresponding to the second lock head 201 on the box body 3 are fixedly provided with the second lock seat 402 cooperating with the second lock head 201 respectively. . Specifically, as shown in FIG. 5A and FIG. 5B , the second lock head 201 is a claw-shaped structure, including a body portion 201a fixed around the second lock bar 200 and a claw-shaped portion 201b protruding outward from the body portion 201a. The second lock seat 402 includes a base part 402a and a card seat part 402b, the base part 402a is used for welding to the surface of the box body 3, and the card seat part 402b is arranged on the base part 402a, in order to cooperate with the second lock head 201 Cooperate. The maximum distance between the end of the claw-shaped portion 201b and the axis of the second locking lever 200 is greater than the distance between the axis of the second locking lever 200 and the surface of the base portion 402a of the second lock seat 402, and the base portion 402a has a certain The width is such that the projection of the claw portion 201b on the surface of the box body 3 falls within the width range of the base portion 402a.

As shown in FIG. 3 , since the maximum distance between the end of the claw portion 201b and the axis of the second lock lever 200 is greater than the distance between the axis of the second lock lever 200 and the surface of the base portion 402a of the second lock seat 402, when When the second locking device 10b is in the unlocked state, the outermost end of the claw portion 201b abuts against the surface of the base portion 402a, and under the force of the second lock seat 402, the second lock lever 200 drives the door leaf 20 away from the Casing 3 is a certain distance, and door leaf 20 can't be closed completely.

When it is necessary to lock the second locking device 10b, in the state shown in Figure 3, operate the second lock lever 200 to drive the second lock head 201 to rotate counterclockwise, and the outermost end of the claw-shaped part 201b no longer touches the base. The seat portion 402a, at this time, the door leaf 20 moves toward the box body 3 to a fully closed state under the action of its own gravity or external force. Continue to rotate the second lock lever 200 counterclockwise, the claw portion 201b of the second lock head 201 contacts and abuts against the seat portion 402b of the second lock seat 402, and the second lock lever 200 cannot continue to rotate. The second locking device 10b is locked. When unlocking, operate the second lock lever 200 to drive the second lock head 201 to rotate clockwise, the claw portion 201b is separated from the card seat portion 402b of the second lock seat 402, and after rotating through a certain angle, the end of the claw portion 201b contacts The outer surface of the base portion 402a. Since the maximum distance between the end of the claw-shaped portion 201b and the axis of the second locking lever 200 is greater than the distance between the axis of the second locking lever 200 and the surface of the base portion 402a of the second lock seat 402, when the second lock continues to rotate clockwise, When the second locking lever 200 is used, the base part 402a gives the claw-shaped part 201b a force in a direction generally outward, so that the second locking lever 200 drives the door leaf 20 to open and is away from the box body 3 for a certain distance. When the claw-shaped part 201b and the base When the seat portion 402a is approximately vertical, the distance reaches the maximum, and the second locking device 10b is completely unlocked. In this way, the lock head design of the claw structure makes the second locking device 10b generate an interaction force with the second lock seat 402 when unlocking, which is conducive to the smooth opening of the door leaf 20 and can also prevent the second lock seat 402 in the locked state from The lock head 202 is loosened due to vibration or other reasons, resulting in unlocking.

Preferably, a second locking lever handle 202 is provided on the second locking lever 200 to facilitate the operation of the second locking lever 200 . A second lock bar handle seat 502 is provided at a corresponding position on the surface of the door leaf 20 . When the second locking device 10b is in the locked state, the second locking lever handle 202 is close to the surface of the door leaf 20 and fixed by the second locking lever handle seat 502, so that the second locking device 10b remains in the locked state. At the same time, such a design can also avoid the danger caused by the second lock lever handle 202 protruding from the container 1 , and facilitate hoisting or other operations on the container 1 .

It can be known from the foregoing that when the second locking device 10b is locked, the first locking device 10a can be unlocked smoothly. Conversely, when the first locking device 10a is locked, the second locking device 10b cannot be unlocked because it is blocked during unlocking. More specifically, FIG. 6 is a schematic diagram of forcibly unlocking the second locking device 10b when the first locking device 10a is in the locked state. At this time, the second locking device 10b is in an unlocked state. Due to the claw-shaped structure design of the second lock head 201, the second lock head 201 interacts with the second lock seat 402 to generate a force along the opening direction of the door leaf 20. F. Since the second lock head 201 and the second lock bar 200, the second lock bar 200 and the door leaf 20, the door leaf 20 and the first lock bar 100, and the first lock bar 100 and the first lock end 101 are all rigidly connected, so The force F generated by the second lock head 201 will have an effect on the entire locking device 10 and the door leaf 20, resulting in deformation of the door leaf 20, clamping of the first lock rod 100 and the first lock seat 401, or even damage or aggravation of the second locking device 10. Conditions such as wear between the lock head 201 and the second lock seat 402 occur.

Therefore, for the locking device 10, when unlocking, it is necessary to unlock the first locking device 10a first, and then unlock the second locking device 10b; and when locking, it is necessary to lock the second locking device 10b first, and then lock the first locking device Tightening device 10a. Thus, according to the locking device 10 of the present invention, the first locking device 10a and the second locking device 10b can be respectively locked or unlocked in sequence.

Preferably, a limit baffle 103 is provided at a position of the first lock bar 100 corresponding to the second lock bar handle 202 . When both the first locking device 10 a and the second locking device 10 b are in the locked state, the second locking lever handle 202 is blocked and limited by the limiting baffle 103 , and the second locking lever handle 202 cannot be operated at this time. Only when the first locking device 10a is unlocked and the limit baffle 103 rotates through a certain angle with the first locking lever 100 and no longer blocks the second locking lever handle 202 can it be operated, thereby preventing the first locking device from When 10a is in the locked state, the second locking lever 200 is misoperated and forcibly unlocked to cause damage.

Further preferably, when the container 1 is a bulk container, during the process of opening the door leaf 20, the goods in the box are likely to rush out of the box under the action of its own gravity, thereby bringing danger to the operator on the front of the door leaf 20. For safety reasons, it is often necessary to open the door leaf 20 from the side. Therefore, the second lock lever handle 202 is arranged close to the side of the container 1 adjacent to the side on which the door leaf 20 is installed, so as to facilitate the operator to operate the second lock lever 200 from the side to open the door leaf 20 .

According to the container 1 of the present utility model, viewed from the perspective of Fig. 2, the closing steps of its box door 2 are as follows:

S01: pivot the door leaf 20 downward around the hinge 30 to close;

S02: Rotate the second locking lever handle 202 counterclockwise around the axis of the second locking lever 200 so that the second locking head 201 cooperates with the second locking seat 402 to lock the second locking device 10b;

S03: Operate the second lock lever handle seat 502 to fix the second lock lever handle 202;

S04: Rotate the first lock lever handle 102 clockwise around the axis of the first lock lever 100 to make the first lock head 101 cooperate with the first lock seat 401 to lock the first lock device 10a;

S05: Operate the first lock lever handle seat 501 to fix the first lock lever handle 102;

At this time, the door 2 of the container 1 is closed and locked.

According to the container 1 of the present utility model, viewed from the perspective of Fig. 2, the opening steps of its box door 2 are as follows:

S06: Operate the first lock lever handle seat 501 to release the first lock lever handle 102;

S07: Rotate the first locking lever handle 102 counterclockwise around the axis of the first locking lever 100 to disengage the first lock head 101 from the first lock seat 401 to unlock the first locking device 10a;

S08: Operate the second lock lever handle seat 502 to release the second lock lever handle 202;

S09: Rotate the second lock lever handle 202 counterclockwise around the axis of the second lock lever 200 to disengage the second lock head 201 from the second lock seat 402 to unlock the second lock device 10b;

S10: Pivot the door leaf 20 upward around the hinge 30 to open it.

At this time, the door 2 of the container 1 is unlocked and opened.

According to the container of the utility model, the two locking levers of the box door need to be unlocked separately in sequence, and only one person is required to complete the operation, which avoids the inconvenience caused by simultaneous operation, and can be conveniently operated from the side of the box door , improving the unloading efficiency and safety of the container.

The utility model has been described through the above embodiments, but it should be understood that the above embodiments are only for the purpose of illustration and description, and are not intended to limit the utility model to the scope of the described embodiments. Those skilled in the art can understand that more variations and modifications can be made according to the teaching of the utility model, and these variations and modifications all fall within the protection scope of the utility model. The protection scope of the utility model is defined by the appended claims and their equivalent scope.

Claims (11)

1. a kind of locking device, for container, it is characterised in that the locking device includes：

First locking device, first locking device includes:

First locking bar, first locking bar is rotationally attached to the door leaf of the container；

First tapered end, first tapered end is arranged on first locking bar；

First lock, first lock is fixedly attached on the casing of the container, coordinates to lock with first tapered end Tight first locking device；And

Second locking device, second locking device includes：

Second locking bar, second locking bar is rotationally attached to the door leaf；

Second tapered end, second tapered end is arranged on second locking bar；

Second lock, second lock is fixedly attached on the casing, coordinates to lock described the with second tapered end Two locking devices；

Wherein, at least described first tapered end is set to not produced when the cooperation with first lock is released makes door leaf external-open Thrust, to enable that first locking device and second locking device are unlocked respectively.

2. locking device according to claim 1, it is characterised in that first tapered end is set to hook-like configuration, described Hook-like configuration is projected radially outwardly along first locking bar, and the hook-like configuration distalmost end away from first locking bar The distance of axis is less than axis of the surface of the casing of the installation site of first lock away from first locking bar most Small distance.

3. locking device according to claim 1, it is characterised in that the tapered end of second locking bar is set to claw type knot The distalmost end of structure, claw type structure the projecting radially outwardly along second locking bar, and the claw type structure is away from described The distance of the axis of two locking bars is more than the surface of the casing of the installation site of second lock away from second locking bar The minimum range of axis.

4. locking device according to claim 1, it is characterised in that also including the first lock bar handle and the second locking bar hand Handle, first lock bar handle and second lock bar handle are respectively perpendicular and are fixedly connected on first locking bar and described Two locking bars.

5. locking device according to claim 2, it is characterised in that when first locking device is locked, described The lateral profile away from first lock of one tapered end is arc.

6. locking device according to claim 4, it is characterised in that first locking bar is provided with limiting section, when described When one locking device and second locking device are in locking state, the limiting section blocks second lock bar handle, So that second locking bar of second locking device cannot rotate.

7. a kind of chamber door, for container, it is characterised in that the chamber door includes：

Door leaf, the door leaf is as pivotally connected to the casing of the container；And

Locking device as described in any one of claim 1~6.

8. chamber door according to claim 7, it is characterised in that the door leaf is connected in the form of tilt-up door or side open the door The container.

9. chamber door according to claim 7, it is characterised in that the door leaf is hinged to the casing by hinge, described First locking bar is less than the distance of second locking bar and the hinge with the distance of the hinge.

10. chamber door according to claim 8, it is characterised in that described when the door leaf in the form of tilt-up door when to set Second lock bar handle is near adjacent with a door leaf side of the casing.

11. a kind of containers, it is characterised in that including the chamber door as described in any one of claim 7~10.