CN210164360U - Door locking mechanism and box body - Google Patents

Abstract

The application provides a door locking mechanism and box relates to the lock field, include: a groove part formed at a side part of the first door facing the box body, a first opening part and a second opening part being formed at a first end and a second end, respectively; a slide rod arranged in the groove part, wherein a third opening part communicated with the first opening part is formed at the first end of the slide rod, and the second opening part can be sealed at the second end of the slide rod; the driving piece is arranged on the first box door and can drive the sliding rod to slide; the clamping hook and the clamping column are arranged on the box body, and when the second end of the sliding rod seals the second opening part, the clamping hook cannot penetrate through the third opening part; this application passes through driving piece drive slide bar, slides along first direction for the jack catch runs through the second opening and the trip runs through the first opening and the third opening that communicate each other, slides along the second direction, makes jack catch and slide bar joint and trip and slide bar hookup. The problem of current two box inside auxiliary locking mechanism that sets up the baffle that open the door lead to box space utilization low is solved.

Description

Door locking mechanism and box body

Technical Field

The application relates to the field of door locks, in particular to a door locking mechanism and a box body.

Background

In the vending machine or the door body structure similar to the box body in the prior art, the door is usually made into a single door or a double door;

therefore, the door body of the single-door is usually large in size and heavy in weight, and the door body is easy to deform and influence use in the long-time use process;

and adopt two divisions of doors, though reduced the weight of the door body, but set up the baffle in the box usually, the locking structure lock on its door is on the baffle in the box, and the structure is more complicated, also makes the space utilization of box low.

SUMMERY OF THE UTILITY MODEL

In view of this, this application provides a door locking mechanism and box, aim at has solved the inside problem that needs to set up the supplementary locking mechanism of baffle and lead to box space utilization not high of current two box that open the door.

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

In a first aspect, an embodiment of the present application provides a door locking mechanism, where the door locking mechanism is used to lock a first box door to a box body, the door locking mechanism includes:

a groove part formed at a side part of the first door facing the inside of the box body main body, a first end and a second end of the groove part being respectively formed with a first opening part and a second opening part penetrating the first door;

a slide bar slidably disposed in the slot, a first end of the slide bar being formed with a third opening, the slide bar being slidable in the slot in a first direction such that the first opening communicates with the third opening, the slide bar being slidable in the slot in a second direction such that a second end of the slide bar is capable of closing the second opening;

the driving piece is arranged on the first box door and can drive the sliding rod to slide in the groove part; and

the clamping hook and the clamping column are fixedly arranged on the part, corresponding to the first opening part and the second opening part, of the box body, and the clamping hook cannot penetrate through the third opening part under the condition that the second end of the sliding rod seals the second opening part;

the slide bar can follow the first direction slides for the card post runs through the second opening and the trip runs through each other the intercommunication first opening with the third opening, the slide bar can follow the second direction slides, makes the card post with the slide bar joint and the trip with the slide bar hookup.

Preferably, the slide bar is further formed with an abutting portion, and the driving member can abut against the abutting portion, thereby driving the slide bar to slide.

Preferably, the slot part is formed to extend along a vertical direction, the hook is arranged above the clamping column, and the sliding rod can slide downwards through self weight, so that the sliding rod is hooked with the hook and clamped with the clamping column.

Preferably, the slot portion is formed to extend in a vertical direction, the hook is disposed below the clamping column, the driving member drives the sliding rod to slide upwards, so that the sliding rod is hooked with the hook and clamped with the clamping column, and the driving member abuts against the abutting portion to fix the sliding rod.

Preferably, the slot portion is formed to extend in a horizontal direction, the slide bar is driven to slide via the driving member, so that the slide bar is hooked with the hook and clamped with the clamping post, and then the driving member abuts against the abutting portion to fix the slide bar.

Preferably, a limiting through hole or a limiting groove is formed in the middle of the sliding rod;

the door locking mechanism further comprises a first limiting piece and a second limiting piece which are fixedly connected with each other and used for limiting the sliding rod to be separated from the groove part;

the first limiting part is installed on the outer side of the groove part, the second limiting part is inserted into the limiting through hole or the limiting groove, and the size of the second limiting part in the extending direction of the sliding rod is smaller than the size of the limiting through hole or the limiting groove in the extending direction of the sliding rod.

Preferably, the drive member comprises: the door lock penetrates through the first box door and is fixedly arranged on the first box door; and a driving plate or a cam which is fixedly connected with the door lock and synchronously rotates with the door lock.

Preferably, the abutting part is a concave part, the concave part further comprises a blocking piece extending towards the inner side of the sliding rod along the edge of the concave part, and the driving piece or the cam abuts against the blocking piece to drive the sliding rod to slide.

In a second aspect, embodiments of the present application provide a cabinet, including the first door, the cabinet main body, and the door locking mechanism as described above.

Preferably, the box body further comprises a second box door, and the second box door is provided with the door locking mechanism; or

A blank holder is formed on the side part of the second box door close to the first box door; or

The side portions of the second door and the first door facing each other are formed with slope portions facing each other and engaged with each other.

This application is rotatory through the driving piece in the butt, drives the slide bar and slides along first direction, makes the jack catch run through the second opening, and behind the third opening portion that the trip ran through the intercommunication simultaneously and the first opening, the slide bar slides along the second direction to hookup trip and joint jack catch make first chamber door locking, have solved the inside problem that leads to box space utilization not high that needs to set up the supplementary locking mechanism of baffle of current two box that open doors.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 shows a schematic view of a first door;

FIG. 2 is a schematic view showing the positional relationship of the driver to the slide bar;

FIG. 3 shows a schematic view of an enlarged view at A in FIG. 2;

FIG. 4 shows a schematic view of an enlarged view at B in FIG. 2;

FIG. 5 shows a schematic view of an abutment of a slide bar;

FIG. 6 is a schematic view of a cross-sectional view of a top view of the first door;

FIG. 7 shows a schematic view of a cabinet body;

FIG. 8 shows a schematic view of an enlarged view at C in FIG. 7;

FIG. 9 shows a schematic view of an enlarged view at D in FIG. 7;

fig. 10 is a schematic view showing a cross-sectional view in a state where the first door is locked with the cabinet main body;

FIG. 11 shows a schematic view of an enlarged view at E in FIG. 10;

FIG. 12 shows a schematic view of an enlarged view at F in FIG. 10;

FIG. 13 illustrates a schematic view of a second door;

fig. 14 shows a schematic view of a case assembly drawing.

Reference numerals:

1-a first box door; 11-a groove portion; 111-a first opening; 112-a second opening; 12-a slide bar; 121-a third opening; 122-an abutment; 123-baffle plate; 13-a drive member; 131-a door lock; 132-a driving plate; 14-a first stop; 15-a second limit;

2-a second box door; 21-pressing edges;

3-a box body; 31-a hook; 32-cartridge.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

Example one

Referring to fig. 1 to 12, the present embodiment provides a door locking mechanism including: first chamber door, slot part, slide bar, driving piece and box main part. The connection relationship and the action of the above components will be described in detail below.

In this embodiment, the first door 1 may be pivotally mounted to the box body 3 by using one side edge as a shaft, and the first door may be mounted by respectively providing mounting holes at an upper end and a lower end of the side edge as a rotating shaft, providing a rotating shaft at a corresponding position of the box body 3 (as shown in fig. 7), and implementing the pivotal mounting by matching the mounting holes with the rotating shaft; hinges may be attached to the side of the rotary shaft and the corresponding positions of the box body 3, respectively, and the pivotal attachment may be achieved by the hinges.

Referring to fig. 6, 11 and 12, in the present embodiment, the groove 11 extends in the vertical direction and is formed on the opposite side of the side serving as the rotation axis of the first door 1. The opening direction of the slot 11 may be toward the first door 1 so as to be engaged with a driving member 13 described below, the upper end of the slot 11 is formed with a first opening 111 penetrating the first door 1, the lower end thereof is formed with a second opening 112 penetrating the first door 1, the slide rod 12 can be seated in the slot 11 and slide along the slot 11, and the lower end of the slide rod 12 can close the second opening 112 when the slide rod 12 slides downward in the slot 11 to the lower end of the slot 11.

Referring to fig. 11 and 12, specifically, the slide rod 12 is restricted in the groove portion 11 by the first stopper 14 and the second stopper 15. The first limiting member 14 may be formed by a right-angle profile (e.g., an angle steel), and one surface of the first limiting member 14 may be a fixing surface, a through hole is formed on the fixing surface, and a through hole is formed at a corresponding position of the first door 1, so that the fixing surface is fixed to the first door 1 by a bolt connection, which is convenient for detachment. The other surface of the first limiting member 14 is a limiting surface and is located outside the slot portion 11, and a channel is formed at the matching position of the two, so that the sliding rod 12 is limited, that is, the sliding rod 12 is prevented from being separated from the slot portion 11.

In addition, in the present embodiment, a limiting through hole may be formed on the sliding rod 12, the second limiting member 15 is inserted into the limiting through hole, and the size of the limiting through hole in the vertical direction and the size of the limiting through hole in the horizontal direction are larger than the size of the portion of the second limiting member 15 inserted into the limiting through hole in the corresponding direction. Along with the sliding of the sliding rod 12 in the vertical direction, the upper end and the lower end of the part of the second limiting member 15 inserted into the limiting through hole are respectively abutted against the upper end and the lower end of the limiting through hole, so that the sliding of the sliding rod 12 in the vertical direction is limited, and the sliding rod 12 is prevented from sliding out of the first box door 1 along the groove part 11.

In this embodiment, the sliding rod 12 is formed by a channel section (e.g. channel aluminum), and has a size slightly smaller than the channel 11, a light weight, and is easy to slide under the driving of a driving member 13 described below, and at the same time, has a certain rigidity, and can ensure the reliability of the locking mechanism. The limiting through hole is formed in the bottom surface of the groove-shaped sliding rod 12, and the sliding rod 12 with a certain thickness on the groove wall can be selected, so that the limiting groove is formed in the groove wall of the sliding rod 12, and the integral rigidity of the sliding rod 12 can be guaranteed. In addition, in the present embodiment, for convenience of assembly, the second limiting member 15 may be perpendicular to the bottom surface of the sliding rod 12 and the limiting surface of the first limiting member 14. However, not limited thereto:

first, the shape of the slide bar 12 can also be an angle section, a pipe or other common geometric shapes, and correspondingly, the shape of the matching part of the groove part 11 and the slide bar 12 also corresponds to the shape of the selected slide bar 12, so as to ensure that the slide bar 12 can slide smoothly.

Secondly, the first limiting member 14 may also be formed by a plate-shaped member or a groove-shaped member (not shown), that is, the first limiting member 14 may be directly fixed and mounted on the outer side of the groove portion 11.

Thirdly, as long as the portion of the second limiting member 15 inserted into the limiting through hole satisfies the dimensional relationship with the limiting through hole as described above, the second limiting member 15 may also be formed by the above-mentioned respective profiles, and may also not be perpendicular to the bottom surface of the sliding rod 12 and the limiting surface of the first limiting member 14.

Fourthly, in the present embodiment, referring to fig. 11 and 12, two sets of the first limiting member 14, the second limiting member 15 and the limiting through hole are respectively disposed near two ends of the sliding rod 12, however, under the condition of ensuring the rigidity of the sliding rod 12, a plurality of sets of the first limiting member 14, the second limiting member 15 and the limiting through hole may be disposed.

In combination with the above-described second, third, and fourth, that is, as long as the slide bar 12 is prevented from coming off the groove portion 11 and sliding out of the first case along the groove portion 11, the specific shape and the number of installations of the first and second stoppers 14 and 15 are not particularly limited. In this embodiment, the upper end of the slide bar 12 may further be formed with a third opening 121 for engaging with a hook 31 described below, the slide bar 12 may further be formed with an abutting portion 122 (as shown in fig. 5), the abutting portion 122 is a concave portion formed on a side edge of the slide bar 12, a stopper 123 is formed on an edge of the concave portion toward the inner side of the slide bar 12, and the first end of the rotatable driving member 13 is disposed in the concave portion and abuts against the stopper 123, so that the slide bar 12 is driven to slide in the groove 11.

The second end of the driving member 13 is fixedly mounted on the first door 1, specifically, the driving member 13 includes a door lock 131 fixedly connected to the first door, and a driving plate 132 or a cam fixedly connected to the door lock 131, and the driving plate 132 is adopted in this embodiment. The door lock 131 penetrates the first door 1 and is fixedly installed on the first door 1, the driving plate 132 is located at a side portion of the first door 1 facing (facing) the inside of the box body main body 3, a first end of the driving plate is fixedly connected with the door lock 131, i.e., the driving plate can rotate synchronously with the door lock 131, a second end of the driving plate is located in the concave portion, when the door lock 131 drives the driving plate 132 to rotate, the driving plate 132 can abut against the blocking piece 123 in the concave portion, and therefore the sliding of the sliding rod 12 in the groove portion 11 is driven as described above.

In this embodiment, the plane of the first end of the driving plate 132 is not located on the same plane as the recess, so, referring to fig. 4 and 6, the driving plate 132 is formed in a zigzag structure and extends into the recess, while in this embodiment, the recess is also provided on the same side of the groove 11 as the recess of the slide rod 12, so that the recess of the slide rod 12 is exposed relative to the groove 11, so that the driving plate 132 can be engaged with the stopper 123 in the recess.

However, it is not limited thereto. The driving piece 132 may be formed in a zigzag structure and project into the slide bar 12 along the opening side of the slot-shaped slide bar 12 of the present embodiment, while a stopper 123 located above the driving piece 132 is provided on the slide bar 12, that is, in this case, the abutting portion 122 includes only the stopper 123.

It should be noted that, in the present embodiment, the abutting portion 122 is located in the middle of the slide bar 12, that is, the abutting portion 122 is located at a position in the middle of the slide bar 12, not at a geometric bisector of the slide bar 12 in a strict sense, because the abutting portion 122 needs to be engaged with the driving member 13, that is, the door lock 131 is engaged with the driving piece 132, and therefore the height of the position of the door lock 131 can be substantially the same as the height of the abutting portion 122, and the height suitable for the operator to operate should be satisfied, in the present embodiment, the abutting portion 122 is located at the middle position of. That is, as long as the positions of the abutment portion 122 and the driver 13 are set to satisfy the height suitable for the operator to operate, the specific positions thereof are not particularly limited.

Referring to fig. 1 and 10 to 13, a hook 31 and a post 32 are fixedly attached to the case body 3 at positions corresponding to the first opening 111 and the second opening 112. The third opening 121 of the slide bar 12 is configured to: as the slide rod 12 slides upward, the third opening 121 and the first opening 111 can be overlapped and communicated, so that both the third opening 121 and the first opening 111 can be penetrated by the hook 31.

In this embodiment, the hook 31 and the stud 32 may be formed of a metal material, the hook portion of the hook 31 may be bent upward, and the stud 32 may be perpendicular to the bottom surface of the box body 3, so that a good assembling effect may be achieved, but not limited thereto, the hook portion of the hook 31 may also be bent obliquely upward, and the stud 32 may not be perpendicular to the bottom surface of the box body 3, that is, as long as the first opening portion 111 and the third opening portion 121 through which the hook 31 can penetrate and communicate, and the stud 32 can penetrate the second opening portion 112, and the hook 31 and the stud 32 can be hooked and clamped with the slide bar 12, respectively.

In addition, when the slide rod 12 closes the second opening 112, the first opening 111 and the third opening 121 may not overlap at all, or may partially overlap, so that the hook 31 cannot penetrate through the third opening 121, in order to avoid the situation that the upper end of the third opening 121 cannot be engaged with the hook 31.

In view of the above-described features, the operational principle of the door locking mechanism will be described in detail below.

In this embodiment, the upper direction is the first direction, and the lower direction is the second direction.

Further, since the slot 11 is provided in the vertical direction, the door lock 131 can be turned counterclockwise by the key, and the lower end of the slide bar 12 is positioned at the lower end of the slot 11 due to its own weight, thereby closing the second opening 112, which may be an initial position of the slide bar 12, at which the second opening 112 is closed by the slide bar 12.

And (3) door locking process: the door lock 131 is rotated clockwise by the key, the driving plate 132 abuts against the blocking piece 123 to enable the sliding rod 12 to slide upwards along the groove part 11, the second opening part 112 is opened until the clamping column 32 can penetrate through the second opening part 112, meanwhile, the third opening part 121 and the first opening part 111 are overlapped until the clamping hook 31 can penetrate through the clamping hook and the clamping column, at this moment, the door lock 131 is rotated anticlockwise, the sliding rod 12 slides downwards due to self weight, the upper end of the third opening part 121 is hooked with the clamping hook 31, the lower end of the sliding rod 12 falls between the groove part 11 and the clamping column 32, and is clamped with the clamping column 32, and therefore locking of the first door 1 is achieved.

The door opening process: when the door lock 131 is rotated clockwise by the key, the driving piece 132 abuts against the stopper 123 to slide the slide bar 12 upward along the groove portion 11, so that the hook 31 is disengaged from the third opening 121, and the lower end of the slide bar 12 is disengaged from between the groove portion 11 and the catch 32, thereby opening the first door 1 and rotating the door lock 131 counterclockwise to reset the slide bar 12.

Example two

The present embodiment provides a door locking mechanism, including: first chamber door, slot part, slide bar, driving piece and box main part.

The connection relationship and the action of the above-described components will be described below.

Based on the first embodiment, in this embodiment, only the first opening portion is disposed at the lower end of the slot portion, the second opening portion is disposed at the upper end of the slot portion, the third opening portion is correspondingly disposed at the lower end of the sliding rod, the hook is disposed at the lower end of the box body, and the fastening post is disposed at the upper end of the box body.

In this embodiment, the lower side is the first direction, and the upper side is the second direction.

According to the above feature, the initial position of the slide rod is still such that the lower end of the slide rod is located at the lower end of the groove portion, and at this time, the first opening portion and the third opening portion are communicated to allow the hook to penetrate both of them, and the second opening portion is opened to allow the lock pin to penetrate the second opening portion.

In the door locking process, the first box door can directly close the box body, the door lock is rotated clockwise by using the key at the moment, the driving piece is abutted to the blocking piece, the sliding rod slides upwards until the lower end of the third opening part is hooked with the clamping hook, the upper end of the sliding rod is inserted between the groove part and the clamping column and is clamped with the clamping column, the key is pulled out at the moment, and the driving piece keeps the state of abutting to the blocking piece, so that the first box door is locked.

On the contrary, in the door opening process, the door lock is rotated anticlockwise by the key, the driving piece rotates synchronously, the sliding rod slides downwards due to dead weight, is separated from the clamping hook and simultaneously leaves between the groove part and the clamping column, and the first door is opened.

That is to say, in this embodiment, the driving plate continuously abuts against the blocking plate, so as to lock the first box door; in addition, the hook part of the hook faces downwards.

EXAMPLE III

The present embodiment provides a door locking mechanism, including: first chamber door, slot part, slide bar, driving piece and box main part.

The connection relationship and the action of the above-described components will be described below.

In this embodiment, the slot portion is disposed on the first box door along the horizontal direction, and correspondingly, the first opening portion, the second opening portion, the third opening portion, the hook and the clamping column are also disposed along the horizontal direction, and at the concave portion, two blocking pieces are disposed on two sides of the driving piece respectively.

Because the groove part is arranged along the horizontal direction, the sliding rod also slides horizontally and is arranged in the groove part, so that two sides of the driving piece are respectively provided with a blocking piece in the embodiment; the first direction and the second direction are defined similarly to the specific cases of the first embodiment and the second embodiment, that is, the direction in which the slide rod slides so that the first opening portion and the third opening portion overlap to the hook penetrates through both is the first direction, and the opposite direction is the second direction.

In this embodiment, the process of locking and unlocking the door is similar to that in the first and second embodiments, except that the dead weight of the sliding rod is replaced by the driving piece driving the blocking piece.

Example four

Referring to fig. 1 to 14, the present embodiment provides a box body, which includes the box body main body and the first door in the above embodiment, and further includes a second door, taking the box body according to the first embodiment as an example, the second door 2 is mounted on the box body main body in the same manner as the first door, a side portion of the second door 2 close to the first door is formed with a pressing edge 21, and the pressing edge 21 can be pressed by the first door to lock the second door 2, and close a gap between the first door and the second door 2. When the box body needs to be locked, the second box door 2 is closed first, then the first box door is closed, and then the first box door is locked.

However, without being limited thereto, the same door locking mechanism as the first door may be installed on the second door, and the second door is locked first and then the first door is locked, in which case the edge pressing only acts to close the gap between the first door and the second door; in addition, the sides of the second door and the first door facing each other may be formed with slope portions facing each other and cooperating with each other, in a manner similar to the above-described manner of providing the beads 21.

And the blank holder can also be arranged on the first box door, at the moment, the locking mechanisms can still be arranged on the two box doors, the first box door is locked firstly, the second box door is locked, or the locking mechanism is only arranged on the second box door, the first box door is closed firstly, and then the second box door is locked.

It should be noted that the opening and closing directions of the two doors are not limited to the opening and closing in the horizontal direction, and the two doors can be opened and closed in the vertical direction, and a plurality of locking mechanisms can be arranged on a single door.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all changes that can be made in the details of the description and drawings, or directly/indirectly implemented in other related technical fields, are intended to be embraced therein without departing from the spirit of the present application.

Claims (10)

1. The utility model provides a door locking mechanism, door locking mechanism is used for locking first chamber door in box main part, its characterized in that, door locking mechanism includes:

a groove part formed at a side part of the first door facing the inside of the box body main body, a first end and a second end of the groove part being respectively formed with a first opening part and a second opening part penetrating the first door;

a slide bar slidably disposed in the slot, a first end of the slide bar being formed with a third opening, the slide bar being slidable in the slot in a first direction such that the first opening communicates with the third opening, the slide bar being slidable in the slot in a second direction such that a second end of the slide bar is capable of closing the second opening;

the driving piece is arranged on the first box door and can drive the sliding rod to slide in the groove part; and

the clamping hook and the clamping column are fixedly arranged on the part, corresponding to the first opening part and the second opening part, of the box body, and the clamping hook cannot penetrate through the third opening part under the condition that the second end of the sliding rod seals the second opening part;

the slide bar can follow the first direction slides for the card post runs through the second opening and the trip runs through each other the intercommunication first opening with the third opening, the slide bar can follow the second direction slides, makes the card post with the slide bar joint and the trip with the slide bar hookup.

2. The door latching mechanism according to claim 1, wherein said slide bar is further formed with an abutting portion against which said driving member can abut to thereby drive said slide bar to slide.

3. The door locking mechanism according to claim 2, wherein the groove is formed to extend in a vertical direction, the hook is provided above the catch, and the slide bar can slide downward by its own weight so that the slide bar is hooked with the hook and latched with the catch.

4. The door locking mechanism according to claim 2, wherein the groove portion is formed to extend in a vertical direction, the hook is provided below the catch, the slide bar is driven to slide upward via the driving piece so that the slide bar is hooked with the hook and caught with the catch, and the driving piece abuts against the abutting portion to fix the slide bar.

5. The door locking mechanism according to claim 2, wherein the groove portion is formed to extend in a horizontal direction, the slide bar is driven to slide via the driving piece so that the slide bar is hooked with the hook and engaged with the catch, and then the driving piece abuts against the abutting portion to fix the slide bar.

6. The door locking mechanism according to claim 2, wherein a limiting through hole or a limiting groove is formed in the middle of the slide bar;

the door locking mechanism further comprises a first limiting piece and a second limiting piece which are fixedly connected with each other and used for limiting the sliding rod to be separated from the groove part;

the first limiting part is installed on the outer side of the groove part, the second limiting part is inserted into the limiting through hole or the limiting groove, and the size of the second limiting part in the extending direction of the sliding rod is smaller than the size of the limiting through hole or the limiting groove in the extending direction of the sliding rod.

7. The door latching mechanism of any one of claims 2 to 6, wherein said drive member comprises: the door lock penetrates through the first box door and is fixedly arranged on the first box door; and a driving plate or a cam which is fixedly connected with the door lock and synchronously rotates with the door lock.

8. The door latching mechanism according to claim 7, wherein said abutting portion is a recess, said recess further comprising a stopper extending to an inner side of said slide bar along an edge of said recess, said driving piece or said cam abutting said stopper to drive said slide bar to slide.

9. A cabinet comprising a first door, a cabinet body and a door latching mechanism as claimed in any one of claims 1 to 8.

10. The cabinet of claim 9, further comprising a second door, the second door being provided with the door latching mechanism; or

A blank holder is formed on the side part of the second box door close to the first box door; or

The side portions of the second door and the first door facing each other are formed with slope portions facing each other and engaged with each other.

Images