CN209814563U - Self-locking structure and foldable tray box with same - Google Patents

Abstract

The utility model belongs to the technical field of logistics equipment, in particular to a self-locking structure and a foldable tray box with the same, wherein the self-locking structure comprises baffles and a bolt plate, the baffles are vertically arranged at four corners of a bottom frame and are arranged close to longitudinal beams in a vertical state at intervals, the baffles are provided with a clamping groove with an opening pointing upwards, and the corners of the longitudinal beam rotating path close to the baffles are set into fillets; the bolt plate is movably arranged on the longitudinal beam; when the longitudinal beam rotates from the horizontal accommodating position to the vertical working position, the lower end of the bolt plate slides along the round angle of the baffle and automatically falls into the clamping groove to realize clamping and fixing; the utility model provides a longeron that realizes collapsible tray case that auto-lock structure can be convenient is in the locking of vertical state fixed, such auto-lock simple structure, and it is very convenient to use.

Description

Self-locking structure and foldable tray box with same

Technical Field

The utility model belongs to the technical field of logistics equipment, especially a auto-lock structure and have its collapsible tray case.

Background

The tray box is used as a common logistics transport container and is more and more widely applied, the existing tray box generally comprises a bottom frame, four vertical beams which are arranged at four corners of the bottom frame and extend upwards, and cross beams arranged at the end parts of the upper sides of the adjacent vertical beams, and corresponding pre-fixing structures are arranged on a bearing plane of the bottom frame and used for placing goods.

In order to increase the transportation amount of the tray box in no-load, reduce the occupied area of a warehouse and quickly assemble the tray box in loading, the foldable tray box is more and more frequently applied, the end and the side frame of the existing foldable tray box are hinged on the bottom frame to realize the folding function, when the tray box needs to be loaded, the end and the side frame are erected and fixed to keep the vertical state of the end and the side frame with the bottom frame, and the fixing structure of the existing end, the side frame and the bottom frame is complex and easily causes interference to the adjacent tray box. Therefore, the development and design of a self-locking structure with simple structure and convenient use to meet the use requirement of the foldable tray box become a technical problem which needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide a self-locking structure, this self-locking structure is applicable to when collapsible tray case is assembled end, the locking of side frame is fixed.

In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:

a self-locking structure applied to a foldable tray box, wherein the foldable tray box comprises a bottom frame, an end frame and/or a side frame, the end frame and/or the side frame is/are hinged to the bottom frame, the end frame and/or the side frame is/are provided with two longitudinal beams which are arranged in parallel and spaced mode, and the self-locking structure comprises:

the baffle plates are vertically arranged at four corners of the underframe and are arranged close to and at intervals with the vertical beam in a vertical state, each baffle plate is provided with a clamping groove with an upward opening, and the corner of each baffle plate close to the rotating path of the vertical beam is set into a round angle;

the bolt plate is movably arranged on the longitudinal beam;

when the longitudinal beam rotates from the horizontal storage position to the vertical working position, the lower end of the plug pin plate slides along the round angle of the baffle plate and automatically falls into the clamping groove to realize clamping and fixing.

In a further technical solution, the self-locking structure further includes:

and the auxiliary baffle is arranged on the underframe and is arranged close to the baffle, and when the longitudinal beam rotates to be vertical, one side of the longitudinal beam is abutted against the auxiliary baffle.

In a further technical scheme, a U-shaped plate is arranged on a beam body of the longitudinal beam, and two ends of the U-shaped plate are fixed on the longitudinal beam to form a vertically-through jack;

the bolt plate have a kink and this kink with the cooperation is supported to lean on by the upside plate body of U template.

In a further technical scheme, the bolt plate comprises a first strip plate and a second strip plate which are arranged in parallel at intervals, a connecting plate is arranged between the lower end of the first strip plate and the upper end of the second strip plate, and the connecting plate is abutted and matched with the upper side plate body of the U-shaped plate.

In a further technical scheme, the first lath is provided with a through hole penetrating through the body.

The utility model also provides a collapsible tray case, collapsible tray case have as above auto-lock structure.

Compared with the prior art, the utility model discloses following technological effect has:

the utility model provides a self-locking structure, the longeron of realization collapsible tray case that can be convenient is in the locking of vertical state fixed, such self-locking structure simple structure, and it is very convenient to use, with the longeron from the position of accomodating of its horizontality rotate to its vertical state the work position can. When the bolt plate needs to be detached for empty box transportation or storage, the bolt plate is lifted upwards to enable the bolt plate to be separated from the clamping groove, so that the longitudinal beam can rotate smoothly, and the bolt plate is very simple and convenient.

Drawings

Fig. 1 is a schematic view of a foldable tray box using a self-locking structure in an operating state;

fig. 2 is a schematic view of the foldable tray box using the self-locking structure in the storage state of the present invention;

FIG. 3 is a schematic view of the self-locking structure of the present invention;

FIG. 4 is a schematic view of the latch plate of the present invention;

the reference numbers in the figures illustrate: 10-bottom frame, 20-end frame, 30-side frame, 40-longitudinal beam, 401-jack, 41-U-shaped plate, 50-baffle, 501-corner, 51-clamping groove, 52-auxiliary baffle, 60-bolt plate, 601-first strip plate, 602-second strip plate, 603-connecting plate and 604-through hole.

Detailed Description

In order to make the technical means, creation characteristics, achievement purpose and efficacy of the utility model easy to understand and understand, the utility model is further clarified by combining the specific drawings.

It should be noted that, in the present invention, when an element is referred to as being "fixed" to another element, it may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

It should be noted that, in the arrangement of the foldable tray box, two end frames at opposite sides may be hinged with the bottom frame, and the side frames are arranged on the bottom frame and the end frames adjacent to the bottom frame in a manner of hanging, locking and fixing; or the two side frames at the opposite sides are hinged with the bottom frame, and the end frames are arranged on the bottom frame and the side frames adjacent to the bottom frame in a hanging, locking and fixing mode, or the two side frames at the opposite sides and the two end frames at the opposite sides are hinged with the bottom frame.

Referring to fig. 1, 2 and 3, in the embodiment of the present invention, the end frame 20 is hinged to the bottom frame 10, and the longitudinal beams 40 at both sides thereof are hinged to the bottom frame 10. Specifically, the utility model provides a self-locking structure is applied to collapsible tray case, collapsible tray case include chassis 10, articulated arrange end frame 20 on chassis 10, end frame 20 have two longerons 40 that are parallel interval arrangement, self-locking structure include baffle 50 and bolt board 60, baffle 50 vertical arrangement in the four corners of chassis 10, and this baffle 50 and the longeron 40 that is in the vertical condition are close to interval arrangement, baffle 50 have an opening point to ascending draw-in groove 51, and this baffle 50 is close to the bight 501 in longeron 40 rotation route sets up to the fillet; the latch plate 60 is movably arranged on the longitudinal beam 40; when the longitudinal beam 40 rotates from the horizontal storage position to the vertical working position, the lower end of the latch plate 60 slides along the rounded corner of the baffle 50 and automatically falls into the slot 51 to realize fastening and fixing.

In the specific use process of the self-locking structure provided by the utility model, when the longitudinal beam 40 rotates from the horizontal storage position to the vertical working position, the bolt plate 60 arranged on the longitudinal beam 40 slides along the round angle of the baffle 50 and automatically falls into the clamping groove 51, thereby realizing the locking and maintaining of the longitudinal beam 40 in the vertical state; such auto-lock structure simple structure, it is very convenient to use, with longeron 40 from its horizontal state accomodate the position rotate to its vertical state's work position can. When the drawer is required to be disassembled for empty box transportation or storage, the latch plate 60 is lifted upwards to be separated from the clamping groove 51, so that the longitudinal beam 40 can be smoothly rotated, and the drawer is very simple and convenient.

Further, according to the utility model discloses, the auto-lock structure still include vice baffle 52, vice baffle 52 set up on the chassis 10, and with baffle 50 approach to arrange, and when longeron 40 rotated to the vertical state, one side of longeron 40 pasted and lean on vice baffle 52 on. The stability of the self-locking structure is improved by the blocking and leaning of the auxiliary baffle plate 52 on the longitudinal beam 40 in the vertical state.

In the present invention, as a specific installation manner of the latch plate 60, a U-shaped plate 41 is disposed on the body of the longitudinal beam 40, and two ends of the U-shaped plate 41 are fixed on the longitudinal beam 40 to form a through hole 401; the latch plate 60 has a bending portion, and the bending portion is abutted with the upper plate body of the U-shaped plate 41. In the process of upward rotation of the longitudinal beam 40, the corner part 501 of the baffle plate 50 jacks up the latch plate 60 to enable the latch plate 60 to move upwards along the direction defined by the U-shaped plate 41, after the longitudinal beam 40 rotates to the right position, the latch plate 60 freely falls down into the clamping groove 51 along the direction defined by the U-shaped plate 41, in the normal use process, the upper end of the latch plate 60 is abutted against the U-shaped plate 41, and the lower end of the latch plate 60 is abutted against the clamping groove 51, so that the vertical beam 40 is ensured to be in the vertical position.

Further, according to the present invention, as shown in fig. 4, the latch plate 60 includes a first bar 601 and a second bar 602 arranged in parallel and spaced, a connecting plate 603 is provided between the lower end of the first bar 601 and the upper end of the second bar 602, and the connecting plate 603 abuts against the upper side plate body of the U-shaped plate 41.

Further, according to the present invention, the first strip 601 has a through hole 604 penetrating through the plate body. The through-hole 604 is designed to facilitate the user's handling of latch plate 60 during a particular use.

The utility model discloses in, through set up this auto-lock structure on the longeron at collapsible tray case, simple and convenient easily realizes to, this auto-lock structure occupation space is little, has avoided producing the interference influence to adjacent tray case.

The foregoing shows and describes the general principles, essential features, and features of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description of the above embodiments and the description is only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are all within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A self-locking structure for a foldable pallet box, said foldable pallet box comprising a base frame (10), end frames (20) and/or side frames (30) hingedly arranged on said base frame (10), said end frames (20) and/or side frames (30) having two longitudinal beams (40) arranged in parallel spaced apart relationship, said self-locking structure comprising:

the baffle plates (50) are vertically arranged at four corners of the underframe (10), the baffle plates (50) are arranged close to and spaced from the vertical longitudinal beams (40), the baffle plates (50) are provided with clamping grooves (51) with openings pointing upwards, and corners (501) of the baffle plates (50) close to the rotating paths of the longitudinal beams (40) are set to be round corners;

a latch plate (60) movably arranged on the longitudinal beam (40);

when the longitudinal beam (40) rotates from the horizontal storage position to the vertical working position, the lower end of the bolt plate (60) slides along the round angle of the baffle (50) and automatically falls into the clamping groove (51) to realize clamping and fixing.

2. The self-locking structure of claim 1, further comprising:

and the auxiliary baffle (52) is arranged on the underframe (10) and is arranged close to the baffle (50), and one side of the longitudinal beam (40) abuts against the auxiliary baffle (52) when the longitudinal beam (40) rotates to be in a vertical state.

3. The self-locking structure of claim 1, wherein a U-shaped plate (41) is arranged on the body of the longitudinal beam (40), and two ends of the U-shaped plate (41) are fixed on the longitudinal beam (40) to form an insertion hole (401) which is through up and down;

the bolt plate (60) is provided with a bending part, and the bending part is abutted and matched with the upper side plate body of the U-shaped plate (41).

4. The self-locking structure of claim 3, wherein the latch plate (60) comprises a first strip (601) and a second strip (602) which are arranged in parallel and spaced, a connecting plate (603) is arranged between the lower end of the first strip (601) and the upper end of the second strip (602), and the connecting plate (603) is in abutting fit with the upper side plate body of the U-shaped plate (41).

5. The self-locking structure of claim 4, wherein the first strip (601) has a through hole (604) penetrating through the plate body.

6. A foldable tray box, characterized in that, the foldable tray box has a self-locking structure as claimed in any one of claims 1 to 5.