CN209956558U

CN209956558U - Folding turnover box turnover door free-falling locking device

Info

Publication number: CN209956558U
Application number: CN201920557795.4U
Authority: CN
Inventors: 顾静; 冯利强
Original assignee: Logical Flow Device Co Ltd Of Moisting All Things On Earth In Changshu
Current assignee: Logical Flow Device Co Ltd Of Moisting All Things On Earth In Changshu
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-01-17
Anticipated expiration: 2029-04-23

Abstract

The utility model discloses a folding turnover case turns over a door and freely falls locking device, include: install on turning over a folding door with folding turnover box fixed locking lever mutually, the locking lever hole has been seted up to the frame top both sides that turn over a folding door, the locking lever is split type structure, including locking lever body and hasp, the hasp comprises the locking end and the connecting end of an organic whole structure, through the connecting end is fixed the both ends of locking lever body, the locking lever passes through the connecting end violently inserts turn over in the locking lever hole of a folding door frame top both sides, be fixed with on the folding turnover box with hasp matched with fixed draw-in groove. In this way, the utility model discloses can simplify the lock structure, realize the switch door one-hand operation, reduction in production cost simultaneously strengthens the bearing capacity of the from inside to outside support that is caused by the goods when loading.

Description

Folding turnover box turnover door free-falling locking device

Technical Field

The utility model relates to a storage logistics utensil field especially relates to a folding turnover case turns over a door and freely falls locking device.

Background

The aluminum alloy folding turnover box is generally used for reducing the self quality of the material frame under the condition of ensuring a certain bearing range of the material frame, the folding function is convenient to store when no load exists, the space occupied by the no load material frame in storage or transportation is reduced, and the overall purpose is to reduce the storage and transportation cost of goods.

In the ideal turnover box, the front door and the rear door are designed into an upper door and a lower door, and after the turnover box is loaded with goods, the upper half doors of the front door and the rear door can be opened to take and place the goods when the goods are stacked. Typically, we can weld the bolt as a lock for the upper door. However, since the aluminum alloy itself is difficult to weld and expensive to manufacture, and the cargo often contacts the material frame after the material frame is loaded, the outward supporting force is generated on the four doors of the material frame, and if a bolt welded or riveted on the material frame is used, the bolt is easy to break or disengage, so that the door lock device of the small door needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves is: aiming at the defects of the prior art, the folding turnover door free-falling locking device is provided, the door lock structure is simplified, the door opening and closing operation is realized by one hand, the production cost is reduced, and the bearing capacity of the support from inside to outside caused by goods during loading is enhanced.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a folding turnover case turnover door is locking device that freely falls, includes: install on turning over a folding door with folding turnover box fixed locking lever mutually, the locking lever hole has been seted up to the frame top both sides that turn over a folding door, the locking lever is split type structure, including locking lever body and hasp, the hasp comprises the locking end and the connecting end of an organic whole structure, through the connecting end is fixed the both ends of locking lever body, the locking lever passes through the connecting end violently inserts turn over in the locking lever hole of a folding door frame top both sides, be fixed with on the folding turnover box with hasp matched with fixed draw-in groove.

In a preferred embodiment of the present invention, the slot is welded and fixed to the folding turnover box body.

In a preferred embodiment of the present invention, the side view of the slot is in a shape of a Chinese character 'ao', and the slot has a U-shaped slot.

In a preferred embodiment of the present invention, the connecting end of the lock catch is screwed with the lock rod body.

In a preferred embodiment of the present invention, the diameter of the locking end of the lock is larger than the diameter of the connecting end.

In a preferred embodiment of the present invention, the diameter of the connecting end of the lock catch is smaller than the diameter of the U-shaped slot, and the diameter of the locking end of the lock catch is larger than the diameter of the U-shaped slot.

In a preferred embodiment of the present invention, the cross-section of the locking rod body is circular, and the diameter of the locking rod body is larger than that of the locking rod hole.

In a preferred embodiment of the present invention, the locking rod hole is an elongated hole, and the connecting end of the lock catch can move up and down in the locking rod hole.

The utility model has the advantages that: through adopting split type locking lever to on folding turnover box body fixed with the hasp matched with fixed draw-in groove of locking lever both ends end, make the hasp at locking lever both ends imbed in the fixed draw-in groove of folding turnover box body both sides, and through the self action of gravity of locking lever, reach the purpose of rolling over a lock and locking around, simplified the lock structure, realized the one-hand operation of switch door, reduced manufacturing cost simultaneously, strengthened the holding capacity of the support from inside to outside caused by the goods when loading.

Drawings

Fig. 1 is a schematic structural view of a folding door free-falling locking device of a folding turnover box of the utility model;

FIG. 2 is an enlarged side view of the card slot of FIG. 1;

the parts in the drawings are numbered as follows: 1. the turnover door comprises a turnover door body 2, a folding turnover box body 31, a lock rod body 32, a lock catch 321, a locking end 322, a connecting end 4 and a clamping groove.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 and 2, an embodiment of the present invention includes:

the utility model provides a folding turnover case turns over a door and freely falls locking device, includes: a lock rod which is arranged on the turnover door 1 and is fixed with the folding turnover box body 2; two sides above the frame of the turnover door 1 are provided with lock rod holes, and the lock rod holes are elongated holes; the lock rod is of a split structure and comprises a lock rod body 31 and a lock catch 32, wherein the lock catch 32 consists of a locking end 321 and a connecting end 322 which are of an integral structure, and the connecting ends 322 are fixed at two ends of the lock rod body 31, so that the lock rod is convenient to install; the lock rod is transversely inserted into the lock rod holes on two sides above the frame of the turnover door 1 through the connecting end 322, and the connecting end 322 of the lock catch can move up and down in the lock rod hole; and a clamping groove 4 matched and fixed with the lock catch is fixed on the folding turnover box body 2.

The clamping groove 4 is fixedly welded with the folding turnover box body 2.

As shown in fig. 2, the side of the locking slot 4 is in a concave shape and includes a U-shaped slot.

The cross section of the lock rod body 31 is circular, the diameter of the lock rod body 31 is larger than that of the lock rod hole, and the length of the lock rod body 31 is controlled to enable the lock rod body 31 to basically have no play in the left-right direction.

The connecting end 322 of the lock catch is screwed with the lock rod body 31.

The locking end 321 of the latch has a diameter greater than the diameter of the connecting end 322.

The diameter of the connecting end 322 of the lock catch is smaller than the aperture of the U-shaped slotted hole, and the diameter of the locking end 321 of the lock catch is larger than the aperture of the U-shaped slotted hole; when the turnover door 1 is closed, the lock rod body 31 is lifted upwards, after the turnover door 1 is closed, the lock rod body 31 is released, so that the lock rod body 31 falls down under the action of self gravity, at the moment, the connecting end 322 of the lock catch falls into the U-shaped groove hole of the clamping groove 4, and the turnover door 1 and the folding turnover box body 2 are locked by the locking end 321 of the lock catch; when the folding door 1 needs to be opened, the locking rod body 31 is lifted upwards to drive the lock catch 32 to lift upwards, and the lock catch 32 is separated from the clamping groove 4, so that the folding door 1 can be opened.

The utility model discloses a folding turnover door free falling locking device is turned over to folding turnover case is through adopting split type locking lever to on folding turnover case box fixed with the fixed draw-in groove that cooperatees of hasp both ends of locking lever makes the hasp at locking lever both ends imbed in the fixed draw-in groove of folding turnover case box both sides, and through the self action of gravity of locking lever, reaches the purpose of turning over the turnover door lock around and live, has simplified the lock structure, has realized the one-hand operation of switch door, has reduced manufacturing cost simultaneously, has strengthened the holding capacity of the support from inside to outside caused by the goods when loading.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a folding turnover case turns over a door and freely falls locking device which characterized in that includes: install on turning over a folding door with folding turnover box fixed locking lever mutually, the locking lever hole has been seted up to the frame top both sides that turn over a folding door, the locking lever is split type structure, including locking lever body and hasp, the hasp comprises the locking end and the connecting end of an organic whole structure, through the connecting end is fixed the both ends of locking lever body, the locking lever passes through the connecting end violently inserts turn over in the locking lever hole of a folding door frame top both sides, be fixed with on the folding turnover box with hasp matched with fixed draw-in groove.

2. The folding turnover box turnover door free-fall locking device according to claim 1, wherein the clamping groove is welded and fixed with the box body of the folding turnover box.

3. The device for locking the folding turnover box turnover door in a free falling mode according to claim 1, wherein the side view of the clamping groove is in a concave shape and is provided with a U-shaped slotted hole.

4. The folding turnover box folding door free-fall locking device of claim 1, wherein the connecting end of the lock catch is in threaded connection with the lock rod body.

5. The folding container turnover door free-fall lock device of claim 1, wherein the diameter of the locking end of the latch is greater than the diameter of the connecting end.

6. The free-fall lock device for the folding turnover door of claim 3, wherein the diameter of the connecting end of the lock catch is smaller than the aperture of the U-shaped slot hole, and the diameter of the locking end of the lock catch is larger than the aperture of the U-shaped slot hole.

7. The folding turnover box folding door free-fall locking device of claim 1, wherein the cross section of the locking rod body is circular, and the diameter of the locking rod body is larger than that of the locking rod hole.

8. The folding turnover box folding door free-fall locking device of claim 1, wherein the locking rod hole is an elongated hole, and the connecting end of the lock catch can move up and down in the locking rod hole.