CN209814547U - Foldable packing box - Google Patents

Abstract

The utility model discloses a foldable packing box, when opening the packing box, open first curb plate and second curb plate respectively, later insert locking mechanism in stay and the lock sleeve, compress tightly the press lever, reset spring is compressed, the press lever moves, the pawl retracts in the telescopic hole, can insert locking mechanism, after inserting, loosen the press lever, reset spring makes the press lever reset, the pawl stretches out the telescopic hole, lock sleeve and stay are fixed in between pawl and spacing portion, realize the opening of packing box and fix, when dismantling, compress tightly the press lever and extract locking mechanism, can realize quick dismantlement folding, the folding structure stability is good, long service life, the action is simple and fast when opening and folding, high efficiency; each hinge is connected to the side plate in half and connected to the bottom plate in half, the hinge is not stressed when in use, and the hinge acts together when in folding, so that the stress of the connecting piece is small.

Description

A collapsible packing box

technical field

The utility model relates to the technical field of packing boxes, in particular to a foldable packing box.

Background technique

Packaging boxes play an important role in various domestic and foreign import and export transportation. In the transportation of goods, the existing packaging box is generally a fixed structure, and the four side panels are fixed with thin panels for support, and the four side panels are fixedly installed, and at the same time, the four side panels are fixedly connected to the bottom panel. It is very inconvenient to load and unload goods, and at the same time, when the packing box is not in use, it will occupy a large space and increase the transportation cost. There are also some packing boxes that are assembled, but the efficiency of assembly is relatively slow.

The existing carbon steel structure packaging box adopts a folding method, which can be folded when not in use to reduce the occupied space, opened when in use, fixed and shaped by screws, etc., for loading of goods.

The applicant found that the prior art has at least the following problems:

The quality of the packaging box is large, the force on the connecting parts is large, the stability of the folding structure is poor, the service life is short, the action is cumbersome when opening and folding, and the efficiency is low.

Utility model content

In view of this, the purpose of this utility model is to propose a foldable packaging box, which solves the problems of large packaging box mass, large connecting parts, poor stability of the folding structure, short service life, and movement when opening and folding. The problem of cumbersome and low efficiency.

Based on the above purpose, the utility model provides a foldable packaging box, comprising:

bottom plate,

Two first side plates are arranged opposite to each other, and the bottoms of the two first side plates are hinged to the bottom plate;

Two second side plates are arranged opposite to each other, the bottoms of the two second side plates are hinged to the bottom plate, and form the four sides of the box body of the packing box with the two first side plates;

The locking sleeve is arranged on the first side plate close to the second side plate;

The locking piece is provided with a locking hole, which is arranged on the second side plate and matches with the locking sleeve;

The locking mechanism is adapted to the locking sleeve and the locking plate, including:

The pin body is provided with an accommodating cavity inside;

The limiting part is located at one end of the pin body;

A pressing rod is arranged inside the accommodating cavity, and one end of the pressing rod close to the limiting part protrudes out of the accommodating cavity;

a return spring fixedly installed between the pressing rod and the inner wall of the accommodating cavity;

Two telescopic holes are arranged on the pin body;

The two pawls are rotatably mounted on the pressing rod, and can expand and contract in the two telescopic holes along with the movement of the pressing rod.

Optionally, a hinge is installed on the inner side of the bottom plate close to the two first side plates, and the hinges respectively fix the two first side plates and the bottom plate, and the sum of the heights of the two first side plates less than the length of the second side panels, that is, there will be no interference when the two first side panels are folded inward; the bottom panel is respectively equipped with a first lower hinge and a second The lower hinge, the first lower hinge is fixedly installed on the first connecting plate, the first connecting plate is fixed on the bottom plate, the second lower hinge is fixed on the bottom plate, close to the first lower hinge A first upper hinge is fixedly installed under the second side plate of the page, and the first upper hinge is hinged with the first lower hinge, and a second hinge is fixedly installed under the second side plate near the second lower hinge. A connecting plate, a second upper hinge is fixedly installed on the second connecting plate, and the second upper hinge is hinged to the second lower hinge.

Optionally, the upper part of the second side plate is provided with a connection hole, the outer side of the bottom plate is provided with a mounting hole, the first side plate and the outer side of the bottom plate are detachably installed with vertical ribs, and the upper and lower ends of the vertical ribs are respectively provided with The connection hole and the through hole matched with the installation hole are fixed by screws, and the installation hole and the through hole are fixed by a locking mechanism.

Optionally, the top of the second side plate is bent inward to form a second bent plate, the top of the first side plate is bent inward to form a first bent plate, and the first bent plate is close to the second Avoidance gaps are provided at both ends of the bent plate.

Optionally, two sleepers are installed transversely on the base plate.

Optionally, a plurality of flat plates are laid vertically on the bottom of the bottom plate, a load-bearing beam is fixedly installed in the middle of the flat plate, and two ends of the load-bearing beam are respectively fixedly installed on both sides of the bottom plate.

Optionally, the packing box also includes a cover plate, which is detachably placed on the top of the opened box body

It can be seen from the above that the utility model provides a collapsible packaging box. When the packaging box is opened, the first side panel and the second side panel are respectively opened, and then the locking mechanism is inserted into the locking piece and the lock. In the tight sleeve, press the pressing rod, the return spring is compressed, the pressing rod moves, the pawl is retracted into the telescopic hole, the locking mechanism can be inserted, after insertion, the pressing rod is released, the returning spring resets the pressing rod, and the pawl Stretch out the telescopic hole, the locking sleeve and the locking piece are fixed between the pawl and the limit part to realize the opening and fixing of the packing box. When disassembling, press the pressing lever and pull out the locking mechanism to realize quick disassembly Folding, the folding structure has good stability, long service life, simple and quick action when opening and folding, and high efficiency; each hinge is half connected to the side plate and half connected to the bottom plate. function, the connecting parts are less stressed; the vertical ribs can fix the side panels to prevent people from falling down and hurting people during the opening process. At the same time, after opening, the vertical ribs can support the side panels to improve the stability of the box.

Description of drawings

Fig. 1 is a schematic diagram of a collapsible packing box according to an embodiment of the present invention when it is folded;

Fig. 2 is a schematic diagram of a partially opened foldable packaging box according to an embodiment of the present invention;

Fig. 3 is a schematic structural view of a collapsible packing box according to an embodiment of the present invention;

Fig. 4 is a schematic diagram of a first bending part and a second bending part of a foldable packaging box according to an embodiment of the present invention;

Fig. 5 is a schematic diagram of the installation of a vertical rib of a foldable packaging box according to an embodiment of the present invention;

Fig. 6 is a partial view of the installation of vertical ribs of a collapsible packaging box according to the embodiment of the present invention;

Fig. 7 is a structural schematic diagram of a folding packing box locking mechanism according to an embodiment of the present invention;

Fig. 8 is a structural schematic diagram of a foldable packing box locking mechanism being pressed according to an embodiment of the present invention.

In the figure: 1-first side plate, 2-second side plate, 3-bottom plate, 4-cover plate, 5-locking mechanism, 11-first bending plate, 12-locking sleeve, 21-locking Sheet, 22-first upper hinge, 23-vertical rib, 231-through hole, 24-second upper hinge, 25-second bending plate, 26-second connecting plate, 27-connecting hole, 31- Hinge hinge, 32-crossties, 33-loading beam, 34-first lower hinge, 35-second lower hinge, 36-flat plate, 37-first connecting plate, 38-installation hole, 51-pin body, 52-limiting part, 53-pressing rod, 54-connecting part, 55-rotating shaft, 56-pawl, 57-telescopic hole, 58-accommodating cavity, 59-returning spring.

Detailed ways

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings.

It should be noted that all expressions using "first" and "second" in the embodiments of the present utility model are used to distinguish two entities with the same name but different parameters or different parameters. It can be seen that "first" and "second" " is only for the convenience of expression, and should not be understood as a limitation on the embodiments of the present utility model, and the subsequent embodiments will not explain them one by one.

As one of the embodiments of the present utility model, as shown in the figure, a collapsible packaging box includes a bottom plate 3, and two oppositely arranged first side plates 1 are hinged above the bottom plate 3, and the bottom plate 3 The top is also hingedly installed with two opposite second side panels 2, and the two first side panels 1 and the two second side panels 2 form the four side walls of the box body of the packing box; A locking sleeve 12 is installed on the side plate 1 close to the second side plate 2, and the second side plate 2 is provided with a locking piece 21, and the locking piece 21 is provided with a locking hole. The piece 21 is matched with the locking sleeve 12, and the locking piece 21 and the locking sleeve 12 are provided with a detachable locking mechanism 5, and the locking mechanism 5 is locked with the locking sleeve 12 and the locking sleeve 12. The locking mechanism 5 includes a pin body 51, one end of the pin body 51 is provided with a limiting portion 52, and the interior of the pin body 51 is provided with a housing chamber 58, and the interior of the housing chamber 58 is provided with There is a pressing rod 53, and one end of the pressing rod 53 close to the limiting portion 52 extends out of the accommodating cavity 58, and the end of the pressing rod 53 away from the limiting portion 52 is connected with a return spring 59, and the returning spring 59 is fixedly installed on the Between the pressing rod 53 and the inner wall of the accommodating cavity 58, the pressing rod 53 is also provided with two connecting parts 54, and the two connecting parts 54 are respectively equipped with a rotating shaft 55, and a ratchet is installed on the rotating shaft 55 56. Two telescopic holes 57 are opened on the pin body 51, and the ratchet 56 can be stretched in the telescopic holes 57. When opening the packing box, open the first side panel 1 and the second side panel 2 respectively, then insert the locking mechanism into the locking piece 21 and the locking sleeve 12, press the pressing rod 53, and the return spring 59 is compressed, The pressing rod 53 moves, and the ratchet 56 retracts in the telescopic hole 57, and the locking mechanism can be inserted. After the insertion, the pressing rod 53 is released, and the return spring 59 resets the pressing rod 53, and the ratchet 56 stretches out of the telescopic hole, locking The sleeve 12 and the locking piece 21 are fixed between the ratchet 56 and the limit part 52 to realize the opening and fixing of the packing box. When disassembling, press the pressing lever 53 and pull out the locking mechanism to realize quick disassembly and folding. The connecting parts bear less force, the folding structure has good stability, and the service life is long. The action of opening and folding is simple and quick, and the efficiency is high.

In this specific embodiment, in order to make the size of the packing box more selective, hinges 31 are installed on the inside of the bottom plate 3 close to the two first side plates 1, and the hinges 31 are respectively fixed The sum of the heights of the two first side panels 1 and the bottom panel 3 is less than the length of the second side panel 2, that is, no interference will occur when the two first side panels 1 are folded inward ; The inner side of the bottom plate 3 close to the two second side plates 2 is respectively equipped with a first lower hinge 34 and a second lower hinge 35, and the first lower hinge 34 is fixedly installed on the first connecting plate 37 , the first connecting plate 37 is fixedly installed on the base plate 3, the second lower hinge 35 is fixedly installed on the base plate 3, and the second side plate 2 near the first lower hinge 34 is fixedly installed below the second side plate 2. An upper hinge 22, the first upper hinge 22 is hinged with the first lower hinge 34, a second connecting plate 26 is fixedly installed below the second side plate 2 near the second lower hinge 35, the second A second upper hinge 24 is fixedly mounted on the connecting plate 26 , and the second upper hinge 24 is hinged to the second lower hinge 35 . When folding, the two first side panels 1 can be folded, and when the two second side panels 2 are folded, due to the existence of the first connecting plate 37 and the second connecting plate 26, the second side The folding height of the board 2 is higher than that of the first side board 1, and the folding heights of the two second side boards 2 are also different, so that there is no interference during folding, the space occupied after folding is smaller, and it is more convenient to fold and open.

In this specific embodiment, in order to make the packing box fold and open more conveniently, the upper part of the second side plate 2 is provided with a connecting hole 27, and the outer side of the bottom plate 3 is provided with a mounting hole 28. The first side plate 2 and the bottom plate 3 The outer side is detachably installed with upright ribs 23, and the upper and lower ends of the upright ribs 23 are respectively provided with through holes 231 that match the connecting holes 27 and the mounting holes 28. Screws are used to fix between the connecting holes 27 and the through holes 231, and the mounting holes 28 and the through hole 231 are fixed by the locking mechanism 5. When opening, one of the second side panels 2 is turned over, and the bottom of the vertical rib 23 and the bottom panel 3 are quickly fixed by the locking mechanism 5 to prevent the operator from loosening When the other second side panel 2 is opened with both hands, the first opened second side panel 2 falls inwards and injures the operator, which improves safety. The hinge structure shares the force together to improve the stability of the packing box; in some other embodiments, the connection hole 27 and the through hole 231 are fixed by the locking mechanism 5, and the installation hole 28 and the through hole 231 are fixed by the The locking mechanism 5 is fixed, and the vertical rib 23 can be quickly disassembled and put into the gap of the folded box when folding, further saving space.

In this specific embodiment, in order to protect the staff from being scratched by the edge of the packing box when loading goods, the top of the second side plate 2 is bent inward to form a second bent plate 25, and the first side plate 1. The top is bent inwardly to form the first bent plate 11, and the two ends of the first bent plate 11 close to the second bent plate 25 are provided with avoidance gaps, which can ensure the normal operation of the box while improving the protection performance. Folds open without interference.

In this specific embodiment, in order to improve the protection of its internal goods, the bottom plate 3 is equipped with two sleepers 32 horizontally, so that the goods in the packing box are raised to a certain height, so as to avoid making the goods in a humid environment Moisture, while the sleepers also support the goods.

In this specific embodiment, in order to enhance the carrying capacity inside the packaging box, a plurality of flat plates 36 are vertically laid on the bottom of the bottom plate 3, and a load beam 33 is fixedly installed in the middle of the plate 36, and the two ends of the load beam 33 are respectively Fixedly installed on both sides of the bottom plate 3.

In this specific embodiment, in order to further protect the articles inside the packing box, the packing box also includes a cover plate 4, which is detachably placed on the top of the opened box body, and the size of the cover plate 4 is The same size as the bottom plate, when folded, can be stacked between them.

The working principle of the utility model: when opening the packing box, open the first side panel 1 and the second side panel 2 respectively, then insert the locking mechanism into the locking piece 21 and the locking sleeve 12, and press the pressing rod 53 , the return spring 59 is compressed, the pressing rod 53 moves, the pawl 56 retracts in the telescopic hole 57, the locking mechanism can be inserted, after insertion, the pressing rod 53 is released, the returning spring 59 resets the pressing rod 53, and the pawl 56 Stretch out the telescopic hole, the locking sleeve 12 and the locking piece 21 are fixed between the pawl 56 and the limit part 52, so as to realize the opening and fixing of the packing box. When disassembling, press the pressing rod 53 to pull out the locking mechanism, that is It can realize fast disassembly and folding, less stress on the connecting parts, good stability of the folding structure, long service life, simple and quick action when opening and folding, and high efficiency.

Those of ordinary skill in the art should understand that: the discussion of any of the above embodiments is exemplary only, and is not intended to imply that the scope of the present disclosure (including claims) is limited to these examples; under the idea of the present utility model, the above embodiments Or combinations of technical features in different embodiments are also possible, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, within the spirit and principle of the present utility model, any omission, modification, equivalent replacement, improvement, etc. should be included in the protection scope of the present utility model.

Claims (7)

1. A foldable packing box is characterized by comprising,

a bottom plate, a plurality of first connecting plates,

the two first side plates are oppositely arranged, and the bottoms of the two first side plates are hinged with the bottom plate;

the bottom parts of the two second side plates are hinged with the bottom plate, and the two second side plates and the two first side plates form four edges of the box body of the packing box;

the locking sleeve is arranged on the first side plate and close to the second side plate;

the locking sheet is provided with a locking hole, is arranged on the second side plate and is matched with the locking sleeve;

locking mechanism, with lock sleeve and locking piece looks adaptation include:

the pin body is internally provided with an accommodating cavity;

the limiting part is arranged at one end of the pin body;

the pressing rod is arranged in the accommodating cavity, and one end, close to the limiting part, of the pressing rod extends out of the accommodating cavity;

the reset spring is fixedly arranged between the pressing rod and the inner wall of the accommodating cavity;

the two telescopic holes are arranged on the pin body;

and the two pawls are rotatably arranged on the pressing rod and can extend and retract in the two telescopic holes along with the movement of the pressing rod.

2. The foldable packing box of claim 1, wherein the bottom plate is provided with a hinge near the inner side of the two first side plates, the hinge respectively fixes the two first side plates and the bottom plate, and the sum of the heights of the two first side plates is smaller than the length of the second side plate, so that the two first side plates do not interfere with each other when being folded inwards; the bottom plate is close to two first lower hinge and second lower hinge are installed respectively to the inboard of second curb plate, first lower hinge fixed mounting is on first connecting plate, first connecting plate fixed mounting is on the bottom plate, second lower hinge fixed mounting is on the bottom plate, and be close to first lower hinge second curb plate below fixed mounting has first upper hinge, first upper hinge is articulated with first lower hinge, and second curb plate below fixed mounting that is close to second lower hinge has the second connecting plate, fixed mounting has hinge on the second connecting plate, hinge and second lower hinge are articulated on the second.

3. The foldable packing box of claim 1, wherein the second side plate is provided with a connecting hole at an upper portion thereof, the bottom plate is provided with a mounting hole at an outer side thereof, the first side plate and the bottom plate are detachably provided with studs, upper and lower ends of the studs are respectively provided with through holes matched with the connecting hole and the mounting hole, the connecting hole and the through hole are fixed by screws, and the mounting hole and the through hole are fixed by a locking mechanism.

4. The foldable packing box of claim 1, wherein the top of the second side panel is folded inwards to form a second folded panel, the top of the first side panel is folded inwards to form a first folded panel, and the first folded panel is provided with an avoiding gap near two ends of the second folded panel.

5. A collapsible container as claimed in claim 1 in which the base panel has two sleepers mounted transversely thereto.

6. The foldable packing box according to claim 1, wherein a plurality of flat plates are vertically laid at the bottom of the bottom plate, a bearing beam is fixedly arranged in the middle of each flat plate, and two ends of each bearing beam are respectively and fixedly arranged at two sides of the bottom plate.

7. The foldable packing box of claim 1, further comprising a cover plate detachably placed on the top of the opened box body.