CN106542224B - Male bottom corner piece body, female bottom corner piece body and bottom corner piece - Google Patents

Abstract

The invention provides a bottom corner fitting male body, a bottom corner fitting female body and a bottom corner fitting. The bottom corner fitting comprises a male bottom corner fitting body and a female bottom corner fitting body. The bottom corner fitting male body comprises a top wall and two side walls extending downwards from two sides of the top wall; a clamping cavity is formed between the top wall and the two side walls, and an assembling hole is formed in the top wall. The bottom corner piece parent body comprises a bottom wall, a top wall, two side walls and two end walls, wherein the top wall is parallel to the bottom wall and is arranged at an interval, the two side walls are respectively connected to the two sides of the bottom wall and the two sides of the top wall, and the two end walls are respectively connected to the two ends of the bottom wall and the two ends of the top wall; the top wall is provided with an assembling hole, and the bottom wall is provided with a bolting hole. The base angle piece parent joint in the intracavity is put to the card of the public body of base angle piece, the lateral wall of base angle piece parent is relative with the lateral wall of the public body of base angle piece, and the roof of base angle piece parent passes through the pilot hole and forms detachably and connect fixedly with the roof of the public body of base angle piece. The invention can be applied to the SKD exchange box and solves the problem of weak connection strength of corner positions.

Description

Bottom corner fitting male body, bottom corner fitting parent body and bottom corner fitting

technical field

The invention relates to the field of exchange boxes, in particular to a bottom corner piece male body, a bottom corner piece mother body and a bottom corner piece.

Background technique

The connection between the various components of the existing exchange box is by welding, for example, between the four walls of the exchange box and the bottom frame, between the four walls and the top wall, and between two adjacent walls. The parts cannot be disassembled, and only the whole box can be transported as a cargo, and cannot be loaded into a standard shipping container. This FCL transportation mode has low transportation efficiency, high transportation costs and high transportation risks.

In view of this, SKD exchange box (SemiKnocked Down, semi-parts exchange box) came into being, this SKD exchange box can be split into several pieces and packed in ISO40', 45', 48' HQ container for transportation, After being transported to the destination, it is quickly assembled into a full box. This SKD exchange box can effectively solve the problems of high transportation cost, low transportation efficiency and high transportation risk when the current exchange box is shipped by sea.

However, the bottom corner pieces of the existing SKD exchange box are all integral welded components, which are usually welded at the four corners of the chassis as an integral component. When the chassis is connected to the side wall, front wall, and rear wall, the bottom chassis It can only rely on the surrounding side beams to connect with the side wall, front wall and rear wall by bolts, while the corner pieces of the chassis are not strong enough because they cannot be connected with the side wall, front wall and rear wall.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a bottom corner piece male body, a bottom corner piece mother body and a bottom corner piece to solve the problem of weak connection strength at the corners of the SKD exchange box in the prior art.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

According to one aspect of the present invention, the present invention provides a bottom corner fitting male body, comprising a top wall and two side walls extending downward from both sides of the top wall; a bottom corner fitting mother body is formed between the top wall and the two side walls In the clamping cavity for clamping and matching, the top wall is provided with an assembly hole for detachably connecting and fixing with the mother body of the bottom corner piece.

Preferably, one of the side walls of the male bottom corner piece is provided with an assembly hole for detachably connecting and fixing with the bottom corner piece female body.

Preferably, the thickness of one of the side walls of the base body is greater than the thickness of the other side wall, the side wall with the larger thickness is the first side wall, and the side wall with the smaller thickness is the second side wall , the second side wall is provided with the assembly hole.

Preferably, the outer surface of the first side wall is recessed inwardly with a groove, and the bottom of the groove is provided with a functional hole that communicates with the clamping cavity.

Preferably, the height of one of the side walls of the bottom corner piece body is greater than the height of the other side wall.

According to another aspect of the present invention, the present invention provides a base corner piece parent body, comprising a bottom wall, a top wall arranged in parallel with the bottom wall and spaced apart, and two side walls respectively connected to both sides of the bottom wall and the top wall, respectively connected to the bottom wall. The bottom wall and the two end walls at both ends of the top wall; the bottom wall, the top wall, the side wall and the end wall are enclosed to form a hollow rectangular structure; the top wall is provided with a detachable connection with the bottom corner piece A fixed assembly hole, the bottom wall is provided with a bolting hole.

Preferably, one of the side walls of the bottom corner piece mother body is further provided with an assembly hole for detachably connecting and fixing with the bottom corner piece male body.

Preferably, the base body is further provided with a functional hole, and the functional hole is located on the other side wall and/or the two end walls.

Preferably, the upper end of one of the end walls of the base corner piece body extends upward to form an upper wing beyond the top wall, and the end wall also extends outward from one side of the end wall to form beyond the side flanks of the wall.

Preferably, the side wings also extend upward to form connecting walls beyond the upper wings.

Preferably, the connecting wall is provided with connecting holes.

According to another aspect of the present invention, the present invention provides a bottom corner piece, comprising the above-mentioned male bottom corner piece body and a bottom corner piece female body; the bottom corner piece female body is clamped to the bottom corner piece male body In the clamping cavity, the side wall of the female bottom corner piece is opposite to the side wall of the male bottom corner piece, and the top wall of the female bottom corner piece and the top wall of the male bottom corner piece are detachably connected through the assembly hole. fixed.

As can be seen from the above technical solutions, the advantages and positive effects of the present invention are that the male body of the bottom corner piece in the present invention can be detachably connected and fixed with the female body of the bottom corner piece, so as to be assembled to form the bottom corner piece. The male body of the bottom corner piece and the female body of the bottom corner piece are respectively set on one of the pieces of the SKD exchange box, and are transported with the pieces. When the two pieces of the SKD exchange box are assembled, the male body of the bottom corner piece and the female body of the bottom corner piece are connected. Fixed, realizes the connection at the corner of the exchange box, and has high connection strength, and solves the problem of weak connection strength at the corner of the existing SKD exchange box.

Description of drawings

FIG. 1 is a schematic three-dimensional structural diagram of a preferred embodiment of the male body of the bottom corner piece of the present invention.

FIG. 2 is a schematic three-dimensional structural diagram of the preferred embodiment of the male body of the bottom corner piece of the present invention in another view direction.

FIG. 3 is a schematic three-dimensional structure diagram of a preferred embodiment of the base corner piece parent body of the present invention.

FIG. 4 is a schematic three-dimensional structural diagram in another view direction of the preferred embodiment of the base corner piece parent body of the present invention.

FIG. 5 is a schematic structural diagram of the end face direction of the preferred embodiment of the base corner piece parent body of the present invention.

FIG. 6 is a schematic exploded view of the structure of a preferred embodiment of the bottom corner piece of the present invention.

FIG. 7 is a schematic exploded view of the structure of the preferred embodiment of the bottom corner piece of the present invention in another view direction.

FIG. 8 is a schematic diagram of the assembly structure of a preferred embodiment of the bottom corner piece of the present invention.

FIG. 9 is a schematic structural diagram of the application of the bottom corner piece of the present invention to an exchange box.

Reference numerals are explained as follows: 7. Bottom corner piece; 71, Bottom corner piece male body; 711, Top wall; 7111, Assembly hole; 712, First side wall; Two side walls; 7131, assembly hole; 715, clamping cavity; 72, bottom corner piece parent body; 721, bottom wall; 7211, bolting hole; 722, top wall; 7221, assembly hole; 723, side wall; 7231, Assembly hole; 7232, functional hole; 724, end wall; 7241, functional hole; 725, upper wing; 726, side wing; 727, connecting wall; 7271, connecting hole; 2, chassis; 20, chassis segment; 4 , back wall; 40, back wall fragmentation.

Detailed ways

Exemplary embodiments embodying the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and the descriptions and drawings therein are essentially used for illustration rather than limitation this invention.

Referring to FIGS. 1 to 9 together, the present invention provides a detachable and assembled bottom corner piece 7 , a bottom corner piece male body 71 and a bottom corner piece female body 72 that constitute the bottom corner piece 7 , and the bottom corner piece male body 71 It is detachably connected with the base body 72 of the bottom corner piece. The bottom corner piece 7 can be used in an exchange box, wherein, as shown in FIG. 9 , the bottom corner piece male body 71 is located on the rear wall segment 40, and the bottom corner piece female body 72 is located on the bottom frame segment 20, so that the rear wall When the sub-section 40 is assembled with the chassis sub-section 20, the connection at the corner of the exchange box is realized through the connection of the bottom corner piece male body 71 and the bottom corner piece female body 72, so as to solve the problem of weak connection strength at the corner position of the existing SKD exchange box . The following is a detailed introduction.

Referring to FIGS. 1 and 2 , in a preferred embodiment of the present invention, the male body 71 of the bottom corner piece includes a top wall 711 and a first side wall 712 and a second side wall 713 extending downward from both sides of the top wall 711 respectively. . A clamping cavity 715 is formed between the first side wall 712 , the top wall 711 and the second side wall 713 , which can be snap-fitted with the base corner piece 72 . Connected mounting holes 7111 , the mounting holes 7111 communicate with the clamping cavity 715 .

In the structure shown in FIG. 1 and FIG. 2 , two mounting holes 7111 are provided on the top wall 711 , and each mounting hole 7111 is a circular hole for connecting with fasteners. It should be noted that the number of the mounting holes 7111 is not limited, and can be adjusted according to the actual situation.

Further, in the bottom corner piece male body 71, the second side wall 713 is also provided with an assembly hole 7131, and the assembly hole 7131 is also communicated with the clamping cavity 715, and is also used for connecting with the bottom corner piece mother body 72. Removably connected to increase the strength of the connection between the bottom corner piece male body 71 and the bottom corner piece female body 72 .

The thickness of the second side wall 713 is smaller than that of the first side wall 712 , and the second side wall 713 has a smaller thickness, which facilitates the connection between the second side wall 713 and the bottom corner body 72 . In other embodiments, the thicknesses of the first sidewall 712 and the second sidewall 713 may also be equal.

The height of the second side wall 713 is also smaller than the height of the first side wall 712 , so that a space is formed under the second side wall 713 to facilitate the arrangement of the reinforcement structure on the chassis.

Preferably, the outer surface of the first side wall 712 is recessed inwardly with a groove 7121 to reduce the weight of the first side wall 712 . The bottom of the groove 7121 is also provided with a functional hole 7122 that communicates with the clamping cavity 715. The functional hole 7122 can further reduce the weight, and can also be used for hoisting and securing functions. The functional hole 7122 can also be used for The operator extends into the clamping cavity 715 to facilitate the connection between the male body 71 of the bottom corner piece and the female body 72 of the bottom corner piece.

Referring to FIGS. 3 to 5 again, the bottom corner body 72 of the present embodiment includes a bottom wall 721 , a top wall 722 arranged in parallel with the bottom wall 721 and spaced apart, and two side walls respectively connected to both sides of the bottom wall 721 and the top wall 722 723, respectively connected to the two end walls 724 at both ends of the bottom wall 721 and the top wall 722; the bottom wall 721, the top wall 722, the side walls 723 and the end wall 724 are enclosed to form a hollow rectangular body structure. The bottom wall 721 is provided with a bolting hole 7211 , and the top wall 722 is provided with an assembling hole 7221 for detachably connecting and fixing with the bottom corner piece male body 71 .

In the structure shown in FIG. 3 , the top wall 722 is provided with two mounting holes 7221 , each mounting hole 7221 is a bar-shaped hole, and the length direction of the bar-shaped hole is parallel to the side wall 723 , so that the base corner piece 72 can be connected to the bottom corner Adjust the connection position of the male body 71 appropriately.

Further, in the bottom corner piece female body 72 , one side wall 723 is also provided with an assembling hole 7231 , which is matched with the assembling hole 7131 on the second side wall 713 of the bottom corner piece male body 71 .

The other side wall 723 of the base body 72 is provided with a functional hole 7232. The functional hole 7232 can play a role in reducing weight, and at the same time, it can be matched with the functional hole 7122 on the first side wall 712 of the base body 71. It is used for hoisting and securing functions, and can be used by the operator to extend into the inner cavity of the base body 72 of the bottom corner piece.

Functional holes 7241 are also provided on both end walls 724 of the base body 72 , and the functional holes 7241 can further reduce the weight.

In this embodiment, the upper end of one end wall 724 also extends upward to form an upper wing 725 beyond the top wall 722 , and the end wall 724 also extends outward from one side thereof to form a side wing 726 beyond the side wall 723 . In addition, the side wing 726 further extends upward to form a connecting wall 727 extending beyond the upper wing 725 , and the connecting wall 727 is provided with a connecting hole 7271 . The end wall 724, the upper wing 725, the side wing 726 and the connecting wall 727 form an integral flat plate.

Referring to FIG. 6 to FIG. 8 , the bottom corner piece 7 is formed by cooperating with the above-mentioned bottom corner piece male body 71 and bottom corner piece female body 72 . The bottom corner piece male body 71 is located above, the bottom corner piece female body 72 is located below, the bottom corner piece male body 71 falls on the bottom corner piece female body 72, and the bottom corner piece female body 72 is clamped in the clamping cavity of the bottom corner piece male body 71 In 715, the two side walls 723 of the base body 72 are respectively opposite to the first side wall 712 and the second side wall 713 of the base base 71, and the top wall 722 of the base base 72 is attached to the base Below the top wall 711 of the male body 71, fasteners pass through the top wall 711 of the bottom corner piece male body 71 and the fitting holes 7111 and 7221 of the top wall 722 of the bottom corner piece female body 72, and the bottom corner piece male body 71 and the bottom The corner piece body 72 is detachably connected and fixed.

In this embodiment, the mounting hole 7131 of the second side wall 713 of the male bottom corner piece 71 is also opposite to the mounting hole 7231 of the side wall 723 of the bottom corner piece female body 72, and is similarly detachably connected by fasteners. The functional hole 7122 of the first side wall 712 of the bottom corner piece male body 71 is opposite to the functional hole 7232 of the side wall 723 of the bottom corner piece female body 72 .

The first side wall 712 of the male bottom corner piece 71 is located in the space between the side wings 726 and the side walls 723 of the bottom corner piece female body 72 , and the top wall 711 of the bottom corner piece male body 71 is located between the upper wing 725 of the bottom corner piece female body 72 and the upper wing 725 of the bottom corner piece female body 72 . In the space between the top walls 722, a sealing effect is formed by the side wings 726 and the upper wings 725, which can also play the role of initial positioning.

Referring to FIG. 9 again, when the bottom corner piece 7 is used in the exchange box, the bottom corner piece male body 71 is welded and fixed to the two corner positions of the lower end of the rear wall 4 of the exchange box, and together with the rear wall 4 constitutes the rear wall segment 40. For transportation, the first side wall 712 of the base body 71 faces the outside, and the first side walls 712 of the two base body 71 face away from each other.

The bottom corner piece parent body 72 is welded and fixed to the two corner positions of the rear end of the exchange box chassis 2, and together with the bottom bracket 2, constitutes the bottom frame segment 20 for transportation; one end wall 724 of the bottom corner piece parent body 72 and the end wall formed The upper wing 725 and the side wings 726 on the 724 are welded and fixed to the chassis 2, and the connecting wall 727 seals and strengthens the rear end of the chassis 2, and can be connected to the exchange box through the connecting holes 7271 and the matching fasteners. The back wall segments 40 are connected to further increase the connection strength.

When the rear wall segment 40 and the chassis segment 20 are assembled, the bottom corner piece male body 71 and the bottom corner piece female body 72 are connected in the manner shown in FIGS. 6 to 8 to improve the connection strength at the corners.

While the present invention has been described with reference to several exemplary embodiments, it is to be understood that the terminology used is of description and illustration, and not of limitation. Since the invention can be embodied in many forms without departing from the spirit or spirit of the invention, it is to be understood that the above-described embodiments are not limited to any of the foregoing details, but are to be construed broadly within the spirit and scope defined by the appended claims Therefore, all changes and modifications that come within the scope of the claims or their equivalents should be covered by the appended claims.

Claims (10)

1. A male body of a bottom corner fitting is characterized by comprising a top wall and two side walls extending downwards from two sides of the top wall; the cavity is put to the card that forms between roof, the both sides wall and can cooperate with end angle spare parent joint, the roof with one of them be equipped with on the lateral wall and be used for being connected the pilot hole fixed with end angle spare parent detachably.

2. The bottom corner fitting male body according to claim 1, wherein the thickness of one of the side walls is greater than that of the other side wall, the side wall with the greater thickness is a first side wall, the side wall with the smaller thickness is a second side wall, and the second side wall is provided with the fitting hole.

3. The male bottom corner fitting body according to claim 2, wherein the outer surface of the first side wall is recessed inward to form a groove, and the bottom of the groove is provided with a functional hole communicated with the clamping cavity.

4. The bottom corner fitting male body of claim 1, wherein the height of one of the sidewalls is greater than the height of the other sidewall.

5. A bottom corner fitting parent body is characterized by comprising a bottom wall, a top wall, two side walls and two end walls, wherein the top wall is parallel to the bottom wall and arranged at intervals, the two side walls are respectively connected to two sides of the bottom wall and two sides of the top wall, and the two end walls are respectively connected to two ends of the bottom wall and two ends of the top wall; the bottom wall, the top wall, the side walls and the end walls are enclosed to form a hollow rectangular structure; the top wall and one of the side walls are provided with assembly holes used for being detachably connected and fixed with the bottom corner fitting male body, and the bottom wall is provided with bolt fixing holes.

6. The bottom corner fitting precursor according to claim 5, wherein the bottom corner fitting precursor is further provided with a functional hole, the functional hole being located on the other side wall and/or the two end walls.

7. The bottom corner piece precursor of claim 5, wherein an upper end of one of said end walls extends upwardly to form an upper wing beyond said top wall, and said end wall further extends outwardly from a side edge thereof to form a side wing beyond said side wall.

8. The bottom corner piece precursor of claim 7, wherein the side wings further extend upwardly to form connecting walls beyond the upper wing.

9. The bottom corner fitting precursor body of claim 8, wherein the connecting wall is provided with a connecting hole.

10. A bottom corner fitting comprising a male bottom corner fitting body according to any one of claims 1 to 4 and a female bottom corner fitting body according to any one of claims 5 to 9; the base angle spare parent joint in the intracavity is put to the card of the public body of base angle spare, the lateral wall of base angle spare parent is relative with the lateral wall of the public body of base angle spare, and one of them lateral wall of base angle spare parent and one of them lateral wall of the public body of base angle spare pass through the pilot hole and form detachably and connect fixedly, and the roof of the public body of roof and base angle spare of base angle spare parent passes through the pilot hole and form detachably and connect fixedly.

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