Automatic locking mechanism and transport frame

Abstract

The utility model provides the automatic locking mechanism capable of simply and quickly locking / unlocking the door body and the transportation frame with the automatic locking mechanism. The automatic locking mechanism is used for automatically locking a door body and a door frame and comprises a locking pin, a sliding locking panel and a locking hook. Wherein the locking pin is fixed on the surface of the opening side of the door body, and at least part of the locking pin is arranged in a mode of extending out of the edge of the door body. The sliding locking panel and the end of the locking pin are correspondingly arranged on the surface of the door frame, and the sliding locking panel can slide up and down in the gravity direction. The locking hook is fixed to the surface of the sliding locking panel, the front end of the locking hook is bent in the gravity direction to form a hook-shaped part, and at the locking position of the automatic locking mechanism, the locking pin is located in an opening of the hook-shaped part.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of logistics, concretely to an automatic locking mechanism and a transport frame with the automatic locking mechanism. BACKGROUND

[0002] In the field of logistics transportation, a latch locking mechanism is often used, the movable latch is arranged at the edge of the door body, and a corresponding insertion hole is arranged on the door frame, so that when the door body is closed, the door body and the door frame need to be closed to the specified position, and the movable latch is inserted into the insertion hole to complete the locking of the door body and the door frame, and when the door body is opened, the movable latch needs to be pulled out of the insertion hole to complete the unlocking of the door body and the door body.

[0003] However, in actual use, since the movable latch needs to be inserted / pulled out of the corresponding insertion hole, and there is often a certain deviation in the closing position between the door body and the door frame, it is impossible to ensure that the latch and the insertion hole are completely corresponding, so that the insertion / pulling-out process of the movable latch needs to overcome the friction between the latch and the insertion hole, making the locking and unlocking actions of the door body more complicated and low in work efficiency. SUMMARY

[0004] In view of the above problems, the utility model provides an automatic locking mechanism capable of simply and quickly locking / unlocking the door body and a transport frame with the automatic locking mechanism.

[0005] The utility model discloses a first aspect and provides an automatic locking mechanism for the automatic locking of the door body and the door frame, which comprises a locking pin, a sliding locking panel and a locking hook.

[0006] According to the technical scheme of the utility model, when closing the door, only the sliding locking panel needs to be slid upwards, so that the locking pin is below the hook-shaped part, and thus the locking pin can fall below the opening of the hook-shaped part along with the closing of the door body.

[0007] As the preferred technical scheme of the utility model, the automatic locking mechanism further comprises a fixing screw, the sliding locking panel is provided with a guide through slot along the gravity direction, and the fixing screw is fixed to the surface of the door frame through the guide through slot.

[0008] According to the preferred technical scheme, the sliding locking panel can be reliably fixed to the surface of the door frame through cooperation of the guide through slot and the fixing screw, and the fixing screw can relatively move along the guide slot, so that the sliding locking panel can slide up and down along the gravity direction on the surface of the door frame.

[0009] As the preferred technical scheme of the utility model, the front surface of the hook-shaped part is formed as an inclined guide surface, the inclined guide surface is formed in a manner that the height gradually decreases from front to back, and when the fixing screw is located at the upper end of the guide through slot, the height of the inclined guide surface is flush with that of the locking pin.

[0010] According to the preferred technical scheme, when the user closes the door body, the locking pin first abuts against the inclined guide surface, so as to exert an obliquely upward force on the hook-shaped part and the sliding locking panel fixed with the hook-shaped part, so that the sliding locking panel slides upward until the lower edge of the hook-shaped part is higher than the locking pin, the locking pin enters the opening, at this time, the sliding locking panel drives the hook-shaped part to fall under the action of gravity due to the disappearance of the force exerted by the locking pin, and the locking of the door body and the door frame is completed, and only one action of closing the door inward is needed to complete the locking of the door body and the door frame, so that the operation is more simple and fast.

[0011] As the preferred technical scheme of the utility model, the locking pin is formed in a plurality of, and the plurality of locking pins are uniformly arranged along the edge of the door body, and the plurality of locking hooks are correspondingly arranged with the plurality of locking pins.

[0012] According to the preferred technical scheme, the uniform arrangement of the plurality of locking pins and the plurality of locking hooks can ensure the reliability of the door body and the door frame locking structure.

[0013] As the preferred technical scheme of the utility model, the locking pin is formed in two, and is arranged in the upper part and the lower part of the door body, and the locking hook is correspondingly arranged with the locking pin in the upper part and the lower part of the door frame.

[0014] According to the preferred technical scheme, the upper part and the lower part of the door body of the side-hinged door are easy to shake and affect the locking effect of the door body and the door frame, and the cooperation structure of the two locking pins and the locking hook is arranged in the upper part and the lower part of the door body, so that more reliable locking effect can be realized at a lower cost.

[0015] As the preferred technical scheme of the utility model, the automatic locking mechanism further comprises a safety lock, the safety lock is rotatably arranged on the surface of the sliding locking panel, the fixing screw comprises at least one safety screw, and in the locked position of the automatic locking mechanism, the safety lock cooperates with the safety screw to limit the relative movement of the safety screw in the guide slot.

[0016] According to the preferred technical scheme, for the existing movable bolt locking mechanism, if further safety locking structure is needed, a mechanical lock is generally added to limit the movement of the movable bolt, which is complicated in structure and high in cost, and there is a risk of key loss.

[0017] As the preferred technical scheme of the utility model, the safety lock comprises a rotating shaft, a rigid rotating arm and a fixing buckle.

[0018] According to the preferred technical scheme, the safety lock can be rotated to open / close through the cooperation of the rotating shaft and the rigid rotating arm, which is simple in structure and fast in operation.

[0019] As the preferred technical scheme of the utility model, the rotating shaft is arranged above the safety screw.

[0020] According to the preferred technical scheme, the rotating shaft is arranged above the safety screw, so that the fixing buckle can be abutted and fixed to the safety screw under the action of gravity.

[0021] As the preferred technical scheme of the utility model, the rigid rotating arm of the safety lock rotates to open towards the side away from the door body, and in the locked position of the automatic locking mechanism, the fixing buckle is formed by the end of the rigid rotating arm extending towards the door body.

[0022] According to the preferred technical scheme, the rotation of the safety lock does not interfere with the opening and closing of the door body, and when the rigid rotating arm rotates from the side away from the door body to downward, the fixing buckle can be directly clamped on the lower side of the safety screw.

[0023] The utility model provides a kind of transport frame, including door body and door frame, in particular, the transport frame further includes automatic locking mechanism in any of the above technical solutions. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the structural schematic diagram of automatic locking mechanism provided by the utility model embodiment.

[0025] Figure 2 It is the structural schematic diagram of locking hook of automatic locking mechanism provided by the utility model embodiment.

[0026] REFERENCE NUMERALS:

[0027] 100-door body;200-door frame;

[0028] 1-locking pin;2-locking hook;21-hook portion;22-opening;23-inclined guide surface;3-sliding locking panel;31-guiding slot;4-fixing screw;40-safety screw;5-safety lock;51-rotary shaft;52-rigid rotary arm;53-fixing buckle. DETAILED DESCRIPTION

[0029] The technical solutions in the utility model embodiments will be clearly and completely described below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] In the description of the utility model, unless explicitly defined and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixed connection, can be detachable connection, or integral;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0031] In this utility model, "front" refers to the side of the door or door frame facing the user, that is, the side of the door or door frame of the transport frame facing outwards; "rear" refers to the side of the door or door frame facing away from the user, that is, the side of the door or door frame of the transport frame facing inwards. "Above" and "below" refer to the vertical arrangement relative to the direction of gravity, but do not directly limit the arrangement of two features in a vertically cumulative manner. The "above" or "below" of the first feature to the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "above," and "on top" of the first feature to the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" of the first feature to the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0032] First embodiment

[0033] Figure 1 This is a structural schematic diagram of an automatic locking mechanism provided in an embodiment of this utility model. (See diagram below.) Figure 1 As shown, the first embodiment of this utility model provides an automatic locking mechanism for automatically locking the door body 100 and the door frame 200. Figure 1 The example illustrates the automatic locking mechanism for automatically locking the door body 100 and door frame 200 of a side-opening door of a logistics transport frame. However, the present invention is not limited to this. The automatic locking mechanism provided in this embodiment can be used for automatically locking the door body 100 and door frame 200 of household appliances, logistics transport frames or other devices. Similarly, the automatic locking mechanism provided in this embodiment is also applicable to the door body 100 and door frame 200 of top-opening doors and bottom-opening doors.

[0034] The automatic locking mechanism provided in this embodiment includes a locking pin 1 fixed to the surface of the door body 100, and a sliding locking panel 3 and a locking hook 2 correspondingly disposed on the surface of the door frame 200. The locking pin 1 and the locking hook 2 are engaged to lock the door body 100 and the door frame 200. The sliding locking panel 3 moves up and down to drive the locking hook 2 to move up and down, so as to conveniently lock / unlock the engagement structure of the locking pin 1 and the locking hook 2.

[0035] Specifically, when closing the door, the sliding locking panel 3 only needs to be slid upward, and the locking pin 1 can fall below the locking hook 2 with the closing of the door body 100. At this time, only the sliding locking panel 3 needs to be stopped from being forced, and the sliding locking panel 3 will automatically fall under the action of gravity, and the locking pin 1 and the locking hook 2 are clamped and fixed. The door body 100 and the door frame 200 are locked by using the weight of the sliding panel. When opening the door, the sliding locking panel 3 only needs to be slid upward to complete the unlocking of the door body 100 and the door frame 200, without the need for alignment, and the sliding locking panel 3 is naturally lowered by using gravity to complete the locking, which is convenient and labor-saving.

[0036] It should be noted that the number of locking pins 1 and locking hooks 2 is not limited here and can be one, two or more (more than two). In one example, when the locking pin 1 is formed with multiple locking pins 1, the multiple locking pins 1 can be evenly arranged along the edge of the door body 100, and the multiple locking hooks 2 are correspondingly arranged with the multiple locking pins 1. The even arrangement of the multiple locking pins 1 and the multiple locking hooks 2 can ensure the reliability of the locking structure of the door body 100 and the door frame 200. In another example, the locking pin 1 can be formed with two locking pins 1 arranged on the upper and lower parts of the door body 100, and correspondingly, the locking hook 2 is arranged in pairs with the locking pin 1 on the upper and lower parts of the door frame 200. The upper and lower parts of the side-hinged door body 100 are easy to sway and affect the locking effect of the door body 100 and the door frame 200. By arranging the cooperating structure of the two locking pins 1 and the locking hooks 2 on the upper and lower parts of the door body 100, a more reliable locking effect can be achieved at a lower cost.

[0037] Hereinafter, the structure of the automatic locking mechanism provided by the embodiment of the present application will be described in detail in conjunction with the drawings.

[0038] [Locking pin 1]

[0039] The locking pin 1 includes one end fixed to the surface of the opening side of the door body 100. The locking pin 1 and the surface of the door body 100 can be fixed in any way, such as by screws, welding, etc., which is not limited here. The other end of the locking pin 1 protrudes from the edge of the door body 100 as a pin body (not shown in the figure), which is used for clamping and connecting with the opening 22 of the locking hook 2. Therefore, the shape can be freely selected according to the clamping structure, and here the pin body is taken as an example.

[0040] For Figure 1The locking pin 1 can be arranged on the front surface of the door body 100 close to the side edge and extend the pin body to the door frame 200 of the side edge. Those skilled in the art can understand that, for other door opening conditions, the locking pin 1 can also be arranged on other surfaces of the door body 100 close to the opening side, for example, for the door body 100 and the door frame 200 of the up-opening door, the locking pin 1 can be fixed on the front surface of the door body 100 close to the upper edge and extend the pin body to the door frame 200 of the side edge; for the door body 100 and the door frame 200 of the down-opening door, the locking pin 1 can also be fixed on the front surface of the door body 100 close to the lower edge and extend the pin body to the door frame 200 of the side edge, all of which belong to the protection scope of the present application.

[0041] [Sliding locking panel 3]

[0042] The sliding locking panel 3 is arranged on the surface of the door frame 200 corresponding to the pin body of the locking pin 1, for example, on the front surface of the door frame 200 close to the side edge. Figure 1 In the embodiment, the sliding locking panel 3 is arranged on the front surface of the door frame 200 close to the side edge. The sliding locking panel 3 can slide up and down along the gravity direction, and the slidable connection mode of the sliding locking panel 3 and the surface of the door frame 200 is not limited herein. For example, the sliding locking panel 3 can be slidably connected with the surface of the door frame 200 through the slide rail extending along the gravity direction, or the sliding locking panel 3 can also be slidably connected with the door frame 200 through the mode of arranging the guiding groove extending along the gravity direction and the corresponding protruding piece limited in the guiding groove.

[0043] In combination with Figure 1 Further, a preferred sliding connection structure of the sliding locking panel 3 and the surface of the door frame 200 is described. As shown in Figure 1 One or more guiding grooves 31 extending along the gravity direction can be arranged on the sliding locking panel 3, and the fixing screw 4 is arranged through the guiding groove 31 and fixed on the surface of the door frame 200. If necessary, one or more gaskets can also be arranged on the fixing screw 4 to prevent the fixing screw 4 from being separated from the guiding groove 31 and ensure that the sliding locking panel 3 is effectively limited by the fixing screw 4. Through the above mode, the fixing screw 4 can be relatively moved along the guiding groove, so that the sliding locking panel 3 can slide up and down along the gravity direction on the surface of the door frame 200.

[0044] [Locking hook 2]

[0045] Figure 2 The structure diagram of the locking hook 2 provided by the embodiment of the present application is shown in Figure 1 and Figure 2The locking hook 2 is fixed on the surface of the sliding locking panel 3, and the locking hook 2 is arranged in pairs with the locking pin 1, and the front end (i.e. the end facing the user) of the locking hook 2 is bent towards the gravity direction to form a hook-shaped part 21, i.e. the opening 22 of the hook-shaped part 21 faces downwards, so that when the pin body of the locking pin 1 is in the opening 22 of the hook-shaped part 21, the automatic locking of the door body 100 and the door frame 200 can be realized.

[0046] Preferably, the front surface (the side surface facing the user) of the hook-shaped part 21 can be formed with an inclined guide surface 23, which is formed in a manner that the height gradually decreases from front to back, i.e. as shown in the figure, the height of the lower part of the front surface of the hook-shaped part 21 gradually decreases from the left side to the right side in the figure, thereby forming an inclined guide surface 23. Figure 2

[0047] When the fixing screw 4 is located at the upper end of the guide groove 31, i.e. the sliding locking panel 3 is kept in the lowest position of natural falling, the inclined guide surface 23 is flush with the height of the locking pin 1. Therefore, when the user closes the door body 100, the locking pin 1 will first abut against the inclined guide surface 23, thereby applying an obliquely upward force to the hook-shaped part 21 and the sliding locking panel 3 fixed with the hook-shaped part 21, so that the sliding locking panel 3 slides upwards until the lower edge of the hook-shaped part 21 is higher than the locking pin 1, and the locking pin 1 enters the opening 22, at this time, since the force applied by the locking pin 1 disappears, the sliding locking panel 3 drives the hook-shaped part 21 to fall under the action of gravity, and the locking of the door body 100 and the door frame 200 is completed, and only one action of closing the door inwardly is needed to complete the locking of the door body 100 and the door frame 200, and the operation is more simple and fast.

[0048] In the embodiment, the automatic locking mechanism is provided, which does not need alignment and has simple opening and closing operation, when closing the door, only the door body 100 needs to be pushed to be closed, so that the pin body of the locking pin 1 is pushed into the opening 22 of the locking hook 2, and the door body 100 and the door frame 200 can be locked by the self-weight of the sliding panel; when opening the door, only the sliding locking panel 3 needs to be slid upwards to complete the unlocking of the door body 100 and the door frame 200. Even if the closing position of the door body 100 and the door frame 200 is deviated, the automatic locking / unlocking of the door body 100 can be realized quickly and reliably, and the automatic locking / unlocking operation between the door body 100 and the door frame 200 is more simple and fast.

[0049] Second embodiment

[0050] The second embodiment of the utility model provides an automatic locking mechanism with a safety lock 5, and other features not mentioned or explained are the same as those of the first embodiment, which will not be repeated here.

[0051] As Figure 1 ​As shown, the automatic locking mechanism further comprises a safety lock 5, one of the fixing screws 4 is taken as a safety screw 40, and the safety lock 5 is rotatably arranged on the surface of the sliding locking panel 3, so that in the locked position of the automatic locking mechanism, the safety lock 5 is rotated to a position matched with the safety screw 40 to limit the relative movement of the safety screw 40 in the guide groove, that is, to limit the up and down movement of the sliding locking panel 3 relative to the door frame 200, thereby preventing the sliding locking panel 3 from moving upward due to shaking and other factors to make the locking pin 1 disengage from the locking hook 2, and ensuring the reliability of the locking structure between the door body 100 and the door frame 200.

[0052] In the present embodiment, the specific structure of the safety lock 5 is not limited, and preferably, the safety lock 5 can include a rotating shaft 51, a rigid rotating arm 52, and a fixed buckle 53. The rotating shaft 51 is perpendicular to the surface of the sliding locking panel 3, the rigid rotating arm 52 is connected to one end of the rotating shaft 51, and the other end is fixedly connected with the fixed buckle 53. The fixed buckle 53 rotates around the rotating shaft 51 under the driving of the rigid rotating arm 52, so that through the rotation of the rigid rotating arm 52, the fixed buckle 53 can be rotated to a position matched with the safety screw 40, or the fixed buckle 53 can be rotated away from the position matched with the safety screw 40, and the structure is simple and the operation is fast.

[0053] The fixed buckle 53 can be any structure capable of clamping and limiting the safety screw 40, for example, for the protruding structure of the safety screw 40, the fixed buckle 53 can be formed into a ring-shaped buckle with a side notch, and the safety screw 40 is made to pass through the notch into the ring-shaped buckle through the rotation of the rigid rotating arm 52 to fix the sliding locking panel 3. Alternatively, in other embodiments, the fixed buckle 53 can also be formed into a bent hook-shaped structure, and the notch of the hook-shaped structure is larger and the structure is simpler, and the above also belongs to the protection scope of the present application.

[0054] Specifically, when the safety lock 5 is rotated to the locked position, that is, in the locked position of the automatic locking mechanism, the fixed buckle 53 abuts against the lower side of the safety screw 40, and the length of the rigid rotating arm 52 is equal to the length from the rotating shaft 51 to the safety screw 40. When the sliding panel slides, the safety screw 40 moves downward in the guide groove 31 relative to the sliding locking panel 3, and the length of the rigid rotating arm 52 is equal to the length from the rotating shaft 51 to the safety screw 40, and the rigid rotating arm 52 does not have the performance of elastic extension and contraction, so that the downward movement of the safety screw 40 in the guide groove 31 relative to the sliding locking panel 3 is limited, thereby realizing reliable fixation of the sliding locking panel 3 by using a simple structure, and avoiding the sliding locking panel 3 from sliding to make the locking pin 1 disengage from the locking hook 2.

[0055] In the present embodiment, the rotating shaft 51 is not limited to be arranged above or below the safety screw 40, Figure 1The middle part is exemplified as a preferred case, the rotating shaft 51 is arranged above the safety screw 40, so that the rigid rotating arm 52 naturally falls under the action of gravity, and the fixing buckle 53 is abutted and fixed to the safety screw 40.

[0056] Further, for the case that the rotating shaft 51 is arranged above the safety screw 40, the rigid rotating arm 52 of the safety lock 5 can also be rotated to open away from the door body 100, and in the locked position of the automatic locking mechanism, the fixing buckle 53 is formed by the end of the rigid rotating arm 52 extending towards the door body 100. Therefore, the rotation of the safety lock 5 does not interfere with the opening and closing of the door body 100, and when the rigid rotating arm 52 is rotated away from the door body 100 to be downward, the fixing buckle 53 can be directly clamped on the lower side of the safety screw 40.

[0057] For the existing movable bolt locking mechanism, if it is necessary to further increase the safety lock 5 dead structure, generally a mechanical lock is added to limit the movement of the movable bolt, the structure is complicated and the cost is high, and there is also the risk of losing the key. In the embodiment, a rotatable safety lock 5 is provided on the automatic locking mechanism, without the need to add other locks, and the limiting can be completed by rotating the safety lock 5 to the position matched with the safety screw 40, the structure is simple and the operation is convenient.

[0058] In other embodiments of the present application, a transportation frame is also provided, which comprises a door body 100 and a door frame 200, and particularly, the transportation frame further comprises the automatic locking mechanism in any of the above embodiments.

[0059] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automatic locking mechanism for automatic locking of a door body to a door frame, characterized in that, The automatic locking mechanism comprises: a locking pin fixed to the surface of the door body near the opening side, at least part of the locking pin being arranged in a manner that it protrudes from the edge of the door body; a sliding locking panel arranged on the surface of the door frame corresponding to the end of the locking pin, the sliding locking panel being slidable up and down along the direction of gravity; a locking hook fixed to the surface of the sliding locking panel, the front end of the locking hook being bent in the direction of gravity to form a hook-shaped portion, in the locked position of the automatic locking mechanism, the locking pin is located in the opening of the hook-shaped portion, and the door body and the door frame are locked by the weight of the sliding locking panel.

2. The automatic locking mechanism of claim 1, wherein Further comprising: a fixing screw, the sliding locking panel being provided with a guide channel in the direction of gravity, the fixing screw being fixed to the surface of the door frame through the guide channel.

3. The automatic locking mechanism of claim 2, wherein The front surface of the hook-shaped portion is formed as an inclined guide surface, the inclined guide surface being formed in a manner that the height gradually decreases from front to back, and when the fixing screw is located at the upper end of the guide channel, the height of the inclined guide surface is flush with that of the locking pin.

4. An automatic locking mechanism according to any one of claims 1 to 3, wherein The locking pin is formed in a plurality, the plurality of locking pins being arranged uniformly along the edge of the door body, and the plurality of locking hooks being arranged corresponding to the plurality of locking pins.

5. The automatic locking mechanism according to any one of claims 1 to 3, wherein The locking pin is formed in two, the two being arranged at the upper and lower parts of the door body, and the locking hooks being arranged corresponding to the locking pins at the upper and lower parts of the door frame.

6. The automatic locking mechanism of claim 2, wherein Further comprising: a safety lock rotatably arranged on the surface of the sliding locking panel, the fixing screw comprising at least one safety screw, in the locked position of the automatic locking mechanism, the safety lock cooperates with the safety screw to limit the relative movement of the safety screw in the guide channel.

7. The automatic locking mechanism of claim 6, wherein The safety lock comprises: a rotating shaft perpendicular to the surface of the sliding locking panel; a rigid rotating arm connected to one end of the rotating shaft; a fixing buckle fixed to the other end of the rigid rotating arm, the fixing buckle rotating around the rotating shaft under the driving of the rigid rotating arm, in the locked position of the automatic locking mechanism, the length of the rigid rotating arm is equal to the length from the rotating shaft to the safety screw, and the fixing buckle abuts against the lower side of the safety screw.

8. The automatic locking mechanism of claim 7, wherein The rotating shaft is arranged above the safety screw.

9. The automatic locking mechanism of claim 8, wherein The rigid rotating arm of the safety lock rotates away from the door body, and in the locked position of the automatic locking mechanism, the fixing buckle extends from the end of the rigid rotating arm towards the door body.

10. A shipping frame comprising a door body and a door frame, characterized in that, Further comprising the automatic locking mechanism according to any one of claims 1-9.

Images