CN111169765B - Protection buffering and cut-parts thereof - Google Patents

Abstract

The invention discloses a protective buffer and a cutting piece thereof, wherein the protective buffer cutting piece comprises a first cutting piece folded into an accommodating groove and a second cutting piece folded into a side buffer, the second cutting piece is symmetrically arranged at two sides of the first cutting piece, the first cutting piece comprises a main panel and side panels symmetrically connected at two sides of the main panel, and the side panels are provided with paired first mutual clamping grooves; the second cutting piece comprises a clamping and connecting plate, a second mutual clamping groove used for mutually clamping with the first mutual clamping groove is formed in the clamping and connecting plate, and a clamping interface used for forming a buffering clamping groove is further formed in the second cutting piece; the utility model provides a protection buffering, includes the folding holding tank that forms of above-mentioned first cut-parts and the side buffering that forms by the folding second cut-parts, side buffering symmetry joint is in the both sides of holding tank. The invention provides a protective buffer and a cutting piece thereof, which are environment-friendly, have better protective performance and are convenient and quick to package.

Description

Protection buffering and cut-parts thereof

Technical Field

The invention relates to the field of packaging, in particular to a protective buffer and a cutting piece thereof.

Background

At present, a lot of products need to be packaged when being transported, but the packaged products are inevitably collided in the transportation process, and when the packaging is not proper enough, the products are often damaged in the transportation process, so that the production cost is increased, especially for the packaging of fragile products, in order to reduce the cost, the products are often protected by arranging a buffer in the packaging, and the existing protective buffer is usually arranged in the packaging, occupies a part of packaging space and is inconvenient to package; the other buffer structures are single layers, so that the buffer performance is not strong; and some of the protective materials are protected by using a foam box and the like, and although the protective materials have better protective performance, the protective materials are not environment-friendly.

For example, in the "a cushioning packaging structure" disclosed in the chinese patent literature, the publication No. CN 110481930 a thereof, the cushioning packaging structure includes an outer box, a first cushioning component or a second cushioning component is disposed at two ends inside the outer box, the first cushioning component includes a plurality of support plates attached to each other, the plurality of support plates abut against the upper cover and the bottom plate of the outer box, the second cushioning component includes a box-shaped cushioning member, and the cushioning member abuts against the upper cover and the bottom plate of the outer box. The buffer packing box disclosed by the invention can be suitable for products with similar sizes and different weights, and the buffer structure has appropriate strength, so that the packing material is saved. But this technical scheme will cause the packing inconvenience with buffer structure setting inside the outer container.

Disclosure of Invention

The invention aims to overcome the problems that the existing protection buffering piece is not environment-friendly, inconvenient to package and the like, and provides the protection buffering piece and the cut pieces thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

a protective buffering cut-parts comprises a first cut-part folded into an accommodating groove and a second cut-part folded into a side buffering part, wherein the second cut-part is symmetrically arranged at two sides of the first cut-part, the first cut-part comprises a main panel and side panels symmetrically connected to two sides of the main panel, and paired first mutual clamping grooves are formed in the side panels; the second cut-parts include the joint board, be provided with the second mutual clamping groove that is used for mutually clamping with first mutual clamping groove on the joint board still be provided with the joint mouth that is used for forming buffering joint groove on the second cut-parts, set up in buffering joint inslot after the joint board shaping, the joint board forms the dashpot with buffering joint groove lateral wall.

In the technical scheme, the containing groove formed by folding the first cutting piece is used for protecting a protected product, the side buffer formed by folding the second cutting piece mainly plays a role in protecting the protected product, after the first cutting piece is formed, the side buffer formed by folding the second cutting piece is symmetrically clamped at two sides of the containing groove formed by folding the first cutting piece to protect the containing groove, and when the first cutting piece is formed, the side panels are folded, so that the main panel and the side panels at the two sides of the main panel are encircled into a groove-shaped structure to form the containing groove; when the shaping of second cut-parts, inwards fold the joint board, make its joint inslot that forms at the joint interface fixed, in the mutual draw-in groove of second is connected to the first mutual draw-in groove joint on the first cut-parts again, simple to operate is swift, and the joint board sets up the intermediate position at buffering joint groove, this just makes and forms the dashpot between the lateral wall in joint board and buffering joint groove, when making the side buffering receive the striking, there is a cushioning effect effectively to have improved the shock-absorbing capacity of side buffering in the dashpot, and when being carried out protective packaging by protective packaging, only need overlap the holding tank cover that first cut-parts folding formed on by protective packaging, convenient and fast packaging. In addition, first cut-parts and second cut-parts can be adjusted according to the packing size by the protection product, and are nimble changeable, and first cut-parts and second cut-parts material are corrugated paper, green.

Preferably, the side panels include an inner side panel and an outer side panel connected in parallel with the main panel, the inner side panel is connected with the main panel, and the first mutual clamping groove is arranged on the side of the outer side panel far away from the main panel.

When the first cut piece is folded and formed, the outer side plate is firstly folded to enable the outer side plate to be overlapped with the inner side plate, the overlapped outer side plate and the main panel are encircled to form the groove-shaped accommodating groove, and the side plates are arranged to be the inner side plate and the outer side plate, so that the thickness of the accommodating groove is increased conveniently, and the buffering performance of the accommodating groove is improved; in addition, the first mutual clamping groove is arranged on the outer side plate, so that the damage of the accommodating groove when the first mutual clamping groove is damaged is avoided.

Preferably, the outside of the main panel is symmetrically provided with buffer sheets folded to form buffer supports, and two ends of each buffer sheet are respectively connected with the inner side plate.

The buffer piece sets up outside the interarea board, makes to form the groove between interarea board and the buffer piece, and sets up on the both ends face of holding tank after the buffer piece is folding, installs in the buffer slot of side buffering after the buffer piece shaping, forms a buffering support to the buffer slot, improves the cushion performance of side buffering.

Preferably, a third mutual clamping groove for fixing is further arranged on the side of the outer side plate where the first mutual clamping groove is arranged.

The third mutual clamping groove is also mutually clamped with the side surface buffer, the third mutual clamping groove is convenient to reinforce the clamping between the side surface buffer and the accommodating groove, and the deformation caused by the unstable clamping between the side surface buffer and the accommodating groove is effectively prevented.

Preferably, the clamping plate comprises a first clamping plate and a second clamping plate, a first bottom panel, a first supporting plate, a transition plate, a second supporting plate and a second bottom panel are sequentially connected between the first clamping plate and the second clamping plate, the clamping ports are formed in the transition plate and the second supporting plate, and the second clamping grooves comprise first clamping grooves formed in the first clamping plate and second clamping grooves formed in the second clamping plate.

When the shaping of second cut-parts, upwards folding 90 degrees respectively with first joint board and second joint board, upwards folding 90 degrees respectively with first bottom surface board and second bottom surface board again, upwards folding 90 degrees with first backup pad and second backup pad at last, make first joint board and second joint board fold the post-folding laminating together, at this moment, first draw-in groove and second draw-in groove overlap and form the mutual draw-in groove of second, be convenient for mutually block with first mutual draw-in groove, the shaping of being convenient for.

Preferably, an anti-leakage corrugated folding piece is arranged in the clamping port and is connected with the transition plate.

The leakage-proof corrugated folding sheet is folded to form the side wall of the clamping groove after being formed, so that the leakage-proof corrugated sheet is prevented, and the attractiveness of protection buffering is improved.

Preferably, the width a of the main panel is equal to the spacing H between the pairs of first card-passing slots.

Folding at first cut-parts, the home panel cooperates with protection package size, and equals the width of home panel the interval between the first card groove in pairs, and this is in order to prevent that first cut-parts and second cut-parts from receiving the hindrance when mutually blocking after folding, is convenient for first cut-parts and mutually blocks the after-fixing with the second cut-parts.

The technical scheme adopted for realizing the purpose of the invention is as follows: the utility model provides a protection buffering, includes by the folding holding tank that forms of first cut-parts and the side buffering that forms by the folding of second cut-parts, side buffering symmetry joint is in the both sides of holding tank.

The holding tank is used for placing the product package, makes the protection packing convenient and fast who is protected the product, and the side buffering is used for improving the shock-absorbing capacity of buffering protection, makes the packing box reduce when receiving the buffering and damages reduce cost.

Preferably, be provided with the folding buffering support that forms by the buffer piece on the holding tank be provided with the folding buffering joint groove that forms by the joint interface on the side buffering, first backup pad is buffering joint groove lateral wall, buffering joint groove includes the buffer slot of the folding formation of first joint board and first backup pad, the buffering supports the setting in the buffer slot.

The dashpot mainly is the cushion performance who improves the side buffering at the back, and the setting up of dashpot makes when the protection buffering receives the striking, can not directly use on the holding tank, but can cushion in the dashpot, and the buffering support of the folding formation of buffer block consolidates the support to the dashpot, effectively avoids the dashpot to receive the striking when warping easily, has improved the cushion performance of lateral part buffering, and then improves the buffering barrier propterty of protection buffering.

Preferably, the lateral buffer cavities formed by enclosing the transition plate, the first bottom panel, the first support plate, the second bottom panel and the second support plate are symmetrically arranged on two sides of the lateral buffer, and lateral buffer supports formed by folding the first clamping plate and the second clamping plate are arranged in the lateral buffer cavities.

The lateral part cushion chamber mainly improves the cushion effect of side buffering both sides, and the lateral part buffering that first joint board and second joint board are folded to form supports at lateral part cushion intracavity formation, avoids the lateral part cushion chamber to warp, is favorable to improving the buffering barrier propterty of side buffering, has improved the buffering barrier propterty of protection buffering promptly.

Therefore, the invention has the following beneficial effects:

(1) the packaging bag is green and environment-friendly, has better protective performance, and is convenient and quick to package;

(2) the arrangement of the buffer sheet is convenient for improving the buffer performance;

(3) the third mutual clamping groove is arranged to facilitate the fastening between the first mutual clamping groove and the second mutual clamping groove;

(4) the arrangement of the leak-proof corrugated folding sheet is favorable for preventing the leak and corrugation and improving the aesthetic degree of protection and buffering

(5) The buffering support in buffer slot and the lateral part buffering cavity and the lateral part buffering support are provided with the buffering performance which is beneficial to improving the buffering performance of lateral part buffering, and further the buffering protective performance of protection buffering is improved.

Drawings

FIG. 1 is a schematic view of a protective bumper according to the present invention;

FIG. 2 is a schematic view of the structure of the first panel;

FIG. 3 is a schematic structural diagram of the accommodating groove;

FIG. 4 is a schematic structural view of a second panel;

FIG. 5 is a diagram of the step of folding the second panel into a side bumper;

FIG. 6 is a step diagram of side cushioning;

FIGS. 7 and 8 are views showing the steps of the side buffer card being engaged to the receiving groove;

FIG. 9 is a schematic view of a shaped protective bumper panel;

FIG. 10 is a schematic diagram of an application structure of a protective buffer;

in the figure: 1. first cut-parts 2, side board 201, outer panel 202, inner panel 3, main panel 4, buffer sheet 401, buffering broken line 5, first mutually-clamping groove 6, third mutually-clamping groove 7, holding tank 8, buffering support 9, second cut-parts 10, first joint board 11, first bottom panel 12, first backup pad 13, transition board 14, second backup pad 15, second bottom panel 16, second joint board 17, first clamping groove 18, second clamping groove 19, joint interface 20, leak protection stupefied 21, side buffering 22, buffering folded piece joint groove 23, buffer groove 24, second mutually-clamping groove 25, joint board 26, side buffering support 27, side buffering chamber 28, protected product.

Detailed Description

The invention is further described with reference to the following detailed description and accompanying drawings.

Example 1:

in the embodiment 1 shown in fig. 1, 2, 4 and 10, the protective and buffering cut piece comprises a first cut piece 1 folded into a containing groove 7 and a second cut piece 9 folded into a side buffering 21, wherein the second cut piece 9 is symmetrically arranged at two sides of the first cut piece 1; the first cutting piece 1 comprises a main panel 3 and side panels 2 symmetrically connected to two sides of the main panel 3, wherein the side panels 2 are provided with paired first mutual clamping grooves 5, the side panels 2 comprise an inner side plate 202 and an outer side plate 201 which are connected with the main panel 3 in parallel, the inner side plate 202 is connected with the main panel 3, and the first mutual clamping grooves 5 are arranged on the side edges of the outer side plates 201 far away from the main panel 3; second cut-parts 9 includes joint plate 25, be provided with the second mutual clamping groove 24 that is used for mutually clamping with first mutual clamping groove 5 on the joint plate 25, joint plate 25 includes first joint plate 10, second joint plate 16, first bottom surface plate 11 has connected gradually between first joint plate 10 and second joint plate 16, first backup pad 12, cross cab apron 13, second backup pad 14 and second bottom surface plate 15, second mutual clamping groove 24 is including setting up first draw-in groove 17 on first joint plate 10 and setting up second draw-in groove 18 on second joint plate 16, be provided with on cab apron 13 and second backup pad 14 and be used for forming buffering joint groove 22 joint mouth 19, first joint plate 10 and the laminating of second joint plate 16 set up in buffering joint groove 22 after joint plate 25 shaping, and joint plate 25 and buffering joint groove 22 lateral wall form buffering groove 23.

In the technical scheme, the accommodating groove 7 formed by folding the first cutting piece 1 is used for protecting the protected product 28, while the side buffers 21 formed by folding the second panel 9 mainly serve to protect the protected product 28, after the shaping, the side surface buffer 21 formed by folding the second cut-parts 9 is symmetrically clamped at the two sides of the containing groove 7 formed by folding the first cut-parts 1 to protect the containing groove 7, and further buffer and protect the protected product 28 sleeved in the containing groove 7, when the first cut piece 1 is formed, the side panels 2 are folded, the main panel 3 and the side panels 2 on two sides of the main panel are made to surround the groove-shaped structure to form the containing groove 7, firstly, the outer side plate 201 is turned over, the outer side plate 201 is overlapped with the inner side plate 202, then, the overlapped inner side plate 202 and the outer side plate 201 are turned over, and the overlapped outer side plate 201, the overlapped inner side plate 202 and the main panel 3 are made to surround the groove-shaped containing groove 7; in addition, the first card-passing groove 5 is provided on the outer side plate 201, so that the housing groove 7 is prevented from being damaged when the first card-passing groove 5 is damaged; when the second cut-parts 9 are formed, the first clamping plate 10 and the second clamping plate 16 are respectively folded upwards for 90 degrees, the first bottom panel 11 and the second bottom panel 15 are respectively folded upwards for 90 degrees, finally the first support plate 12 and the second support plate 14 are folded upwards for 90 degrees, the first clamping plate 10 and the second clamping plate 16 are overlapped and attached together after being folded, at the moment, the clamping interface 19 is folded to form the buffering clamping groove 22, the first clamping groove 17 and the second clamping groove 18 are overlapped to form the second mutual clamping groove 24 and are arranged in the buffering clamping groove 22, finally, the first mutual clamping groove 5 and the second mutual clamping groove 24 are mutually clamped, and the accommodating groove 7 formed by folding the first cut-parts 1 and the side buffering 21 formed by folding the second cut-parts 9 are mutually clamped and fixed. After molding, the side panel 2 of the accommodating groove 7 is a double structure of the inner side panel 202 and the outer side panel 201, so that the thickness of the side surface of the accommodating groove 7 is increased, and the improvement of the buffering performance of the accommodating groove 7 is facilitated; a buffer groove 23 is formed between the clamping plate 25 and the side wall of the buffer clamping groove 22, so that when the side buffer 21 is impacted, a buffer effect is realized in the buffer groove 23, and the buffer performance of the side buffer 21 is effectively improved; in addition, when the protected product 28 is subjected to protective packaging, only the accommodating groove 7 formed by folding the first cut piece 1 is required to be sleeved on the protected product 28, so that the packaging is convenient and rapid; in addition, first cut-parts 1 and second cut-parts 9 can be adjusted according to the packing size by protection product 28, and are nimble changeable, and first cut-parts 1 and the 9 materials of second cut-parts are corrugated paper, green.

Further, after 1 folding in first cut-parts, the main panel 3 cooperates with protection package size, for prevent that first cut- parts 1 and 9 folding in second cut-parts receive the hindrance when mutually blocking, set up width A of main panel 3 and the interval H between the first mutually block 5 in pairs equal, be convenient for first cut-parts 1 and mutually block the after-fixing with second cut-parts 9.

Example 2:

the embodiment 2 is basically the same as the embodiment 1, except that: be provided with buffer piece 4 at the external symmetry of main panel 3, and buffer piece 4 both ends are connected mated interior plate 202 respectively, form the groove between main panel 3 and the buffer piece 4, set up on the both ends face of holding tank 7 after buffer piece 4 is folded, and install in the dashpot 23 of side buffering 21 after the buffer piece 4 shaping, form a buffering support 8 to dashpot 23, improve the cushioning properties of side buffering 21. Further, to facilitate fold formation of the cushion sheet 4, a cushion folding line 401 is provided on the cushion sheet 4.

Example 3:

the embodiment 3 is basically the same as the embodiment 1, except that: a third mutually-clamping groove 6 for fixing is also arranged on the side of the outer side plate 201 where the first mutually-clamping groove 5 is arranged. Third mutual draw-in groove 6 also blocks each other with side buffering 21, and the setting of third mutual draw-in groove 6 is convenient for consolidate the joint between side buffering 21 and the holding tank 7, effectively prevents that side buffering 21 and holding tank 7 joint from insecure causing the deformation.

Example 4:

the embodiment 4 is basically the same as the embodiment 1, except that: an anti-leakage corrugated folding piece 20 is arranged in the clamping opening 19, and the anti-leakage corrugated folding piece 20 is connected with the transition plate 13. The leakage-proof corrugated folding piece 20 is folded to form the side wall of the clamping groove after being formed, thereby being beneficial to preventing corrugation leakage and improving the attractive degree of protection buffering.

Example 5:

in embodiment 5 shown in fig. 1, a protective buffer comprises a holding groove 7 formed by folding a first cut segment 1 and a side buffer 21 formed by folding a second cut segment 9, wherein the side buffer 21 is symmetrically clamped at two sides of the holding groove 7. Holding tank 7 is used for placing the product package, makes by the protection of protection product 28 packing convenient and fast, and side buffering 21 is used for improving the shock-absorbing capacity of buffering protection, makes the packing box reduce the damage when receiving the buffering, reduce cost.

Furthermore, a buffer support 8 formed by folding the buffer sheet 4 is arranged on the accommodating groove 7, a buffer clamping groove 22 formed by folding the clamping interface 19 is arranged on the side buffer 21, wherein the first supporting plate 12 is a side wall of a buffer clamping groove 22, the first clamping plate 10 and the side wall of the buffer clamping groove 22, namely the first supporting plate 12, are folded to form a buffer groove 23, the buffer support 8 is arranged in the buffer groove 23, the buffer groove 23 mainly improves the buffer performance of the side buffer 21 on the back, the arrangement of the buffer groove 23 ensures that the side buffer cannot be directly acted on the accommodating groove 7 when the protective buffer is impacted, but is buffered in the buffer container 23, and the buffer container 23 is supported by the buffer support 8 formed by folding the buffer sheet 4, when the buffer groove 23 is prevented from being easily deformed by impact, the buffer performance of side buffering is improved, and the buffer protection performance of protection buffering is further improved.

Further, in order to improve the buffering performance of the two sides of the side buffer 21, a lateral buffer cavity 27 formed by enclosing the transition plate 13, the first bottom surface plate 11, the first supporting plate 12, the second bottom surface plate 15 and the second supporting plate 14 is symmetrically arranged on the two sides of the side buffer 21, a lateral buffer support 26 formed by folding the first clamping plate 10 and the second clamping plate 16 is arranged in the lateral buffer cavity 27, the lateral buffer support 26 forms a support in the lateral buffer cavity 27, the deformation of the lateral buffer cavity 27 is avoided, the buffering and protecting performance of the side buffer 21 is improved, and the buffering and protecting performance of the protection buffer is improved.

Example 6:

embodiment 6 is a step of folding a protective cushioning cut-panel of the present invention into a cushioning cut-panel:

the method comprises the following steps: folding the first cut piece 1, firstly, respectively turning the paired outer side plates 201 upwards to attach the inner side plates 202 of the outer side panels 2;

step two: as shown in fig. 3, the inner side plate 202 is turned over in the reverse direction by 90 degrees, so that the first cut segment 1 is folded into the groove-shaped accommodating groove 7, at this time, the inner side plate 202 is the inner wall of the accommodating groove 7, the outer side plate 201 is the outer wall of the accommodating groove 7, and in addition, the turned inner side plate 202 also extrudes the buffer groove 23, so that the buffer groove is bent along the buffer folding line 401 to form the buffer support 8, thereby completing the folding and forming of the first cut segment 1;

step three: as shown in fig. 5, the second cut segment 9 is folded, the first clamping and connecting plate 10 and the second clamping and connecting plate 16 are respectively folded upwards by 90 degrees, and then the first bottom panel 11 and the second bottom panel 15 are respectively folded upwards by 90 degrees, so that the first clamping and connecting plate 10 is parallel to the first support plate 12, and the second clamping and connecting plate 16 is parallel to the second support plate 14;

step four: as shown in fig. 6, the first support plate 12 and the second support plate 14 are folded upwards by 90 degrees, so that the first clamping plate 10 and the second clamping plate 16 are folded, overlapped and attached together, and the first clamping groove 17 and the second clamping groove 18 are overlapped to form a second mutual clamping groove 24, thereby completing the folding and forming of the second cut piece 9;

step five: as shown in fig. 7, 8 and 9, the first and second card-interacting slots 5 and 24 are mutually engaged, and the third card-interacting slot 6 is simultaneously engaged with the second supporting plate 14, so as to complete the mutual engagement and fixation between the accommodating slot 7 and the side buffer 21, and the mutual engagement and fixation between the other side of the accommodating slot 7 and the side buffer 21 is completed by the same method, so as to complete the formation of the protection buffer.

When the protection buffering is used for protection packaging, the packaging is convenient and fast as long as the accommodating groove 7 for protection buffering is sleeved on the protected product 28.

It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The above examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.

Claims (7)

1. A protective buffering cut piece is characterized by comprising a first cut piece (1) and a second cut piece (9), wherein the first cut piece (1) is used for being folded into an accommodating groove (7), the second cut piece (9) is folded into a side buffering groove (21), the second cut piece (9) is symmetrically arranged on two sides of the first cut piece (1), the first cut piece (1) comprises a main panel (3) and side panels (2) symmetrically connected to two sides of the main panel (3), and paired first mutual clamping grooves (5) are formed in the side panels (2); the second cutting piece (9) comprises a clamping plate (25), a second mutual clamping groove (24) used for being mutually clamped with the first mutual clamping groove (5) is formed in the clamping plate (25), a clamping interface (19) used for forming a buffering clamping groove (22) is further formed in the second cutting piece (9), the clamping plate (25) is arranged in the buffering clamping groove (22) after being formed, and a buffering groove (23) is formed by the clamping plate (25) and the side wall of the buffering clamping groove;

the side panel (2) comprises an inner side panel (202) and an outer side panel (201) which are connected with the main panel (3) in parallel, the inner side panel (202) is connected with the main panel (3), and the first mutual clamping groove (5) is formed in the side edge, far away from the main panel (3), of the outer side panel (201); buffer sheets (4) which are folded to form buffer supports (8) are symmetrically arranged outside the main panel (3), and two ends of each buffer sheet (4) are respectively connected with the inner side plates (202);

joint board (25) include first joint board (10), second joint board (16) first bottom surface board (11), first backup pad (12), cross cab apron (13), second backup pad (14) and second bottom surface board (15) have connected gradually between first joint board (10) and second joint board (16), joint mouth (19) set up on cab apron (13) and second backup pad (14), second mutually block groove (24) are including setting up first draw-in groove (17) on first joint board (10) and setting up second draw-in groove (18) on second joint board (16).

2. A protective cushioning panel according to claim 1, characterized in that a third interlocking groove (6) is provided on the side of the outer panel (201) where the first interlocking groove (5) is provided.

3. A protective cushioning cut-sheet according to claim 1, characterized in that a leakage-proof ridge folded-sheet (20) is arranged in said snap-in interface (19), said leakage-proof ridge folded-sheet (20) being connected with said transition plate (13).

4. A protective cushioning cut-piece according to any of claims 1-3, characterized in that the width a of the main panel (3) is equal to the distance H between pairs of first interlocking grooves (5).

5. A protection buffering piece formed by folding the protection buffering cutting piece according to any one of claims 1 to 4, which is characterized by comprising a holding tank (7) formed by folding the first cutting piece (1) and a side buffering piece (21) formed by folding the second cutting piece (9), wherein the side buffering piece (21) is symmetrically clamped on two sides of the holding tank (7).

6. A protective buffer according to claim 5, wherein a buffer support (8) formed by folding a buffer sheet (4) is arranged on the accommodating groove (7), a buffer clamping groove (22) formed by folding a clamping interface (19) is arranged on the side buffer (21), the first supporting plate (12) is a buffer clamping groove side wall, the buffer clamping groove (22) comprises a buffer groove (23) formed by folding a first clamping plate (10) and the first supporting plate (12), and the buffer support (8) is arranged in the buffer groove (23).

7. A protective buffer according to claim 5, wherein the lateral buffer (21) is symmetrically provided with lateral buffer cavities (27) defined by the transition plate (13), the first bottom plate (11), the first support plate (12), the second bottom plate (15) and the second support plate (14), and lateral buffer supports (26) formed by folding the first clamping plate (10) and the second clamping plate (16) are arranged in the lateral buffer cavities (27).

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