CN109850309A

CN109850309A - Paper card packaging structure and household appliances

Info

Publication number: CN109850309A
Application number: CN201811532973.4A
Authority: CN
Inventors: 林郁超; 白志雄
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2019-06-07
Anticipated expiration: 2038-12-14
Also published as: CN109850309B

Abstract

The invention discloses a paper card packaging structure and a household appliance. The paper card packaging structure comprises a bottom bracket and a top plate, a accommodating space is formed between the top plate and the bottom bracket, the household appliance is placed in the accommodating space, and a first plate is formed on the bottom bracket. an accommodating groove, the lower part of the household appliance is placed in the first accommodating groove, the top plate is arranged above the bottom bracket, a second accommodating groove is formed on the top plate, and the upper part of the household appliance is placed in the second accommodating groove , the bottom bracket and the top plate are respectively folded from a single paper card. The paper card packaging structure and household appliance of the present invention are made of low-cost and environment-friendly buffer materials, which reduces the cost of packaging materials, improves product cost performance, and simultaneously meets the requirements of packaging and transportation safety; the buffering effect is good, and the packaging structure is very stable. Strong impact resistance; good versatility of packaging structure, suitable for household appliances of different types and sizes by simply adjusting the size; it can accommodate electrical accessories and facilitate product packaging.

Description

Paper card packaging structure and household electrical appliance

Technical field

The present invention relates to the households of packaging field more particularly to a kind of paper card packaging structure and application the paper card packaging structure Electric appliance.

Background technique

Currently, online shopping on the household appliances in China line prevailing, also usually exports to other countries, in complicated logistics environment Under, need product packaging that there is good buffering effect.Most of household electrical appliance can be made when leaving the factory using foam or pearl cotton Electric appliance in transportational process is prevented to be damaged because colliding with to play the role of fixed to electric equipment products and buffer for packaging material.

But need to be opened when using foam as packaging material, the Mold Making period is long, complex steps；And it uses precious Pearl cotton is as packaging material then higher cost.In addition, two kinds of material non-degradables of foam and pearl cotton, are unfavorable for environmental protection, also not Conducive to products export.

Summary of the invention

The present invention provides a kind of paper card packaging structure and household electrical appliance, it is folded into have using the paperboard stock of environmental protection and delays The package body of punching and fixed effect, to protect electric equipment products.Specific technical solution is as follows:

A kind of paper card packaging structure, including collet and top plate, are formed with accommodation space, household electrical appliance between top plate and collet It being seated in accommodation space, the first pockets is formed on collet, the lower part of household electrical appliance is seated in the first pockets, The top of collet is arranged in top plate, the second pockets is formed on top plate, it is recessed that the top of household electrical appliance is seated in the second receiving In slot, collet and top plate are folded by individual paper card respectively.

Further, collet includes corner protection structure, and the vertex of collet is arranged in corner protection structure, household electrical appliance lower part protrusion Corner is seated in corner protection structure.

Further, corner protection structure includes corner protector buffer stopper and limiting buffer wall, and corner protector buffer stopper is arranged at corner protection structure bottom Portion, limiting buffer wall are vertically arranged in the side edge of corner protector buffer stopper, and corner protector buffer stopper and limiting buffer wall surround limit jointly The corner of dashpot, household electrical appliance lower part protrusion is seated in limiting buffer slot.

Further, collet is rectangular or rectangle, and corner protection structure is arranged on four apex angles of collet, four corner protection structures Limiting buffer slot is oppositely arranged, and collectively constitutes the first pockets.

Further, corner protection structure is triangle.

Further, collet is folded by the first paper card, and the first paper card includes bottom plate, and corner protector buffer stopper is provided on bottom plate Fold plane, corner protector buffer stopper fold plane include stationary plane and fold face, and two broken lines are provided between stationary plane and fold face, are turned over The side edge of folding face is provided with joint face, and broken line is provided between joint face and fold face, and fold face and joint face are turned over along broken line Folding forms corner protector buffer stopper.

Further, the side of joint face is provided with corner protector buffer stopper tongue, and it is slow that the side of stationary plane is correspondingly arranged on corner protector Block slot is rushed, after corner protector buffer stopper fold plane forms corner protector buffer stopper, corner protector buffer stopper tongue is pluggable to be inserted to corner protector buffer stopper In slot.

Further, the first paper card further includes the first side plate and the second side plate, and the first side plate is separately positioned on the second side plate On two adjacent sides of bottom plate, the first side plate and the second side plate are turned down along the side of bottom plate towards plate upper surface side, the bottom of with Plate surrounds groove structure jointly.

Further, the end of the first side plate is provided with limiting buffer wall fold plane, and limiting buffer wall fold plane includes first Fixinig plate and the second fixinig plate are provided with limit film, the first fixinig plate and the first side between the first fixinig plate and the second fixinig plate It is equipped with broken line between plate, broken line is equipped between limit film and the first fixinig plate and the second fixinig plate, it is fixed along broken line fold first Piece, limit film and the second fixinig plate form limiting buffer wall.

Further, it is provided with connection sheet in limit film, broken line is equipped between connection sheet and limit film, the edge of connection sheet is set There is connection sheet tongue, be correspondingly arranged on connection sheet slot on the fold face of corner protector buffer stopper fold plane, turns down connection sheet along broken line, Connection sheet tongue is pluggable to be arrived in connection sheet slot.

Further, the edge of the first fixinig plate and the second fixinig plate is provided with fixinig plate tongue, corner protector buffer stopper fold plane Stationary plane edge be correspondingly arranged on fixinig plate slot, turn down the first fixinig plate and the second fixinig plate along broken line, make first fixed Piece and the second fixinig plate are overlapped with the first side plate and the second side plate respectively, and fixinig plate tongue is pluggable to arrive fixinig plate slot It is interior.

Further, top plate includes hollow top plate buffer stopper, and the end of top plate buffer stopper is provided with top plate limiting buffer wall, Top plate buffer stopper and top plate limiting buffer wall surround the second pockets jointly.

Further, top plate is folded by the second paper card, and the second paper card includes supporting plate, and supporting plate side is provided with top plate Buffer stopper fold plane, the edge of top plate buffer stopper fold plane is provided with supporting surface, between top plate buffer stopper fold plane and supporting plate Two broken lines are provided with, top plate buffer stopper fold plane is turned down along broken line, turns down supporting surface, form top plate buffer stopper.

Further, the edge of supporting surface is provided with top plate buffer stopper tongue, is correspondingly arranged on top plate buffer stopper on supporting plate Slot, after forming top plate buffer stopper, top plate buffer stopper tongue is pluggable into top plate buffer stopper slot.

Further, top plate lateral plate is provided on supporting plate, top plate lateral plate is located at the opposite side of top plate buffer stopper fold plane, The both ends of supporting plate are provided with top plate limiting buffer wall fold plane, fold top plate lateral plate and top plate limiting buffer wall fold plane, shape At top plate limiting buffer wall.

Further, top plate limiting buffer wall fold plane includes the first folding face, the second folding face, top plate confined planes and third folding Face is equipped with broken line between the first folding face and supporting plate, broken line, top plate confined planes and the are equipped between the second folding face and the first folding face It is equipped with broken line between two folding faces, broken line is equipped between third folding face and top plate confined planes, successively turns down the first folding face, the second folding Face, top plate confined planes and third folding face can make the second folding face Chong Die with top plate lateral plate, and third folding face is Chong Die with the first folding face.

Further, top plate confined planes are equipped with connecting plate, and the edge of connecting plate is equipped with connecting plate tongue, top plate buffer stopper folding It is correspondingly provided with connecting plate slot on folded face, connecting plate is turned down, connecting plate tongue can be made to be plugged into connecting plate slot.

Further, it is provided with folding face tongue in the second folding face and third folding face, the edge of supporting plate is correspondingly arranged on folding face Slot, after the molding of top plate limiting buffer wall, folding face tongue is pluggable into folding face slot.

Further, the inside of top plate buffer stopper is formed with accessory accommodating cavity, and the accessory of household electrical appliance is seated in accessory accommodating It is intracavitary.

Further, through-hole is offered on supporting plate, for extracting top plate.

A kind of household electrical appliance, including above-mentioned paper card packaging structure.

Further, household electrical appliance are water purifier.

Paper card packaging structure of the invention and household electrical appliance are made of the buffering material of low-cost environment-friendly, are conducive to product Outlet, reduces the cost of packing materials, improves product cost, while meeting the needs of packed and transported safety；Buffering effect Fruit is good, and packaging structure is sufficiently stable, strong shock resistance；The versatility of packaging structure is good, can be fitted by simply adjusting size Household electrical appliance for different model and size；Electrical accessorie can be accommodated, product packaging is facilitated.

Detailed description of the invention

Fig. 1 is the assembling schematic diagram of paper card packaging structure and water purifier of the invention.

Fig. 2 is the expanded view of the first paper card in the present invention.

Fig. 3 is the partial enlarged view of the corner protection structure of the first paper card in the present invention.

Fig. 4 is the folding schematic diagram one of the corner protection structure in the present invention.

Fig. 5 is the folding schematic diagram two of the corner protection structure in the present invention.

Fig. 6 is the folding schematic diagram three of the corner protection structure in the present invention.

Fig. 7 is the folding schematic diagram four of the corner protection structure in the present invention.

Fig. 8 is the folding forming figure of the first paper card in the present invention.

Fig. 9 is the expanded view of the second paper card in the present invention.

Figure 10 is the folding schematic diagram of the second paper card in the present invention.

Figure 11 is the folding forming figure of the second paper card in the present invention.

Specific embodiment

In order to be better understood by the purpose of the present invention, structure and function, with reference to the accompanying drawing, paper card of the invention is packed Structure and household electrical appliance do further detailed description.

As shown in Figure 1 to 11, paper card packaging structure of the invention includes collet 10 and top plate 20, top plate 20 and collet 10 Between be formed with accommodation space, water purifier 30 is seated in accommodation space, and the first pockets, water purifier are formed on collet 10 30 lower part is seated in the first pockets, and the top of collet 10 is arranged in top plate 20, and the second receiving is formed on top plate 20 Groove, the top of water purifier 30 are seated in the second pockets, and collet 10 and top plate 20 are folded by individual paper card respectively. It is formed in the present invention by collet 10 made of being folded with paper card and the combination of top plate 20 and buffers, limited come to water purifier up and down 30 are fixed, it is avoided to fall during transportation or be damaged by impact.

Specifically, the collet 10 in the present invention is in hypocrateriform as shown in Fig. 2 to Fig. 8, corner protection structure is provided on collet 10 101, corner protection structure 101 is located at the vertex of collet 10, and the corner of 30 lower part of water purifier protrusion can be embedded in corner protection structure 101 It is interior, so that the lower stabilizer of water purifier 30 is placed, and form buffer protection.

Corner protection structure 101 includes corner protector buffer stopper 102 and limiting buffer wall 103, and corner protector buffer stopper 102 is arranged in corner protector knot 101 bottom of structure, limiting buffer wall 103 are vertically arranged in the side edge of corner protector buffer stopper 102, and corner protector buffer stopper 102 and limit are slow It rushes wall 103 and surrounds limiting buffer slot jointly, the corner of 30 lower part of water purifier protrusion is seated in limiting buffer slot.Wherein, corner protector Buffer stopper 102 is in hollow form, can also play buffer function while support water purifier 30；Limiting buffer wall 103 is at " L " Shape, the corner of water purifier 30 are fastened in L shape structure, and to play limit effect, and limiting buffer wall 103 also includes hollow knot Structure has buffering effect.

Preferably, collet 10 is rectangular or rectangle, and corner protection structure 101 is arranged on four apex angles of collet 10, four shields The limiting buffer slot of corner structure 101 is oppositely arranged, and collectively constitutes the first pockets；Corner protector buffer stopper 102 is triangle, limit Buffer wall 103 is at rectangular, so that the corner protection structure 101 that the two surrounds is triangular in shape, the corner protection structure 101 of triangle is more steady Determine shock resistance.

Further, collet 10 is folded by the first paper card, and the first paper card includes bottom plate 104, and bottom plate 104 is located at the first paper The middle part of card is provided with corner protector buffer stopper fold plane 105 on the quadrangle of bottom plate 104.Corner protector buffer stopper fold plane 105 includes shape The identical triangle stationary plane 106 of size and fold face 107, are provided with two broken lines between stationary plane 106 and fold face 107, The side edge in fold face 107 is provided with joint face 108, is provided with broken line between joint face 108 and fold face 107, will along broken line Fold face 107 is folded to the top of stationary plane 106, and joint face 108 is folded to stationary plane 106, can form corner protector buffer stopper 102.Wherein, the spacing of two broken lines is the thickness of corner protector buffer stopper 102 between stationary plane 106 and fold face 107, can be by changing Become spacing adjustment buffering thickness.

The side of joint face 108 is additionally provided with corner protector buffer stopper tongue 109, and the side of stationary plane 106 is correspondingly arranged on corner protector Buffer stopper slot 110, after the folding of corner protector buffer stopper fold plane 105 forms corner protector buffer stopper 102, corner protector buffer stopper tongue 109 It is pluggable into corner protector buffer stopper slot 110 so that joint face 108 is fixedly connected with stationary plane 106, improve corner protector buffer stopper 102 stability.

Further, the first paper card further includes the first side plate 111 and the second side plate 112, the first side plate 111 and the second side plate 112 are separately positioned on two adjacent sides of bottom plate 104, and the first side plate 111 and the second side plate 112 are along the side of bottom plate 104 It is turned down towards plate upper surface side, and vertical with bottom plate 104, surrounds groove structure jointly.The first side plate 111 after fold and Two side plates 112 recline corner protector buffer stopper 102 side setting.

The both ends end of first side plate 111 is provided with limiting buffer wall fold plane, and limiting buffer wall fold plane includes first Fixinig plate 113 and the second fixinig plate 114, are provided with limit film 115 between the first fixinig plate 113 and the second fixinig plate 114, and first Be equipped between fixinig plate 113 and the first side plate 111 broken line, limit film 115 and the first fixinig plate 113 and the second fixinig plate 114 it Between be equipped with broken line, turn down the first fixinig plate 113, limit film 115 and the second fixinig plate 114 along broken line, limiting buffer wall can be formed 103。

It is provided with connection sheet 116 in limit film 115, broken line, connection sheet 116 are equipped between connection sheet 116 and limit film 115 Edge be equipped with connection sheet tongue 117, be correspondingly arranged on connection sheet slot on the fold face 107 of corner protector buffer stopper fold plane 105 118, turn down connection sheet 116 along broken line, connection sheet tongue 117 is pluggable in connection sheet slot 118 so that connection sheet 116 with Fold face 107 is fixedly connected, and improves the stability of limiting buffer wall 103.

The edge of first fixinig plate 113 and the second fixinig plate 114 is provided with fixinig plate tongue 119, and corner protector buffer stopper folds 106 edge of stationary plane in face 105 is correspondingly arranged on fixinig plate slot 120, fixed along the first fixinig plate of broken line fold 113 and second Piece 114 overlaps the first fixinig plate 113 and the second fixinig plate 114 with the first side plate 111 and the second side plate 112 respectively, Gu Stator tongue 119 is pluggable to be arrived in fixinig plate slot 120, and the stability of limiting buffer wall 103 is further increased.

In conjunction with the above-mentioned folding mode about corner protection structure 101, corner protection structure 101 is during molding, limiting buffer The two side walls of wall 103 are respectively by 114 weight of the first side plate 111 and the first fixinig plate 113, the second side plate 112 and the second fixinig plate Folded to form, i.e. the two side walls of limiting buffer wall 103 are two ply board, strengthen shaping strength and buffering effect.In addition, limit Two connection sheets 116 on bit buffering wall 103 also improve the stability and impact resistance of left and right buffer layer.

Referring to Fig. 2 to Fig. 7, the folding mode of the collet 10 in the present invention are as follows: firstly, by four three in the middle part of the first paper card Angular 102 folding forming of corner protector buffer stopper；Then, the first side plate 111 and the second side plate 112 are turned down along broken line, forms groove；So Afterwards, limiting buffer wall 103 is formed along folding line, collectively constitutes corner protection structure 101 with corner protector buffer stopper 102；Finally, by four The corner protection structure 101 in corner folding forming after the same method forms collet 10.

Specifically, the top plate 20 in the present invention includes left and right two, it is located at the left and right sides of 10 top of collet.Such as figure 9 to shown in Figure 11, and top plate 20 includes hollow top plate buffer stopper 201, and it is slow that the end of top plate buffer stopper 201 is provided with top plate limit Rushing wall 202, top plate buffer stopper 201 and top plate limiting buffer wall 202 surround the second pockets jointly, and the one of the second pockets Side is open end, and the other side is positive stop end, and open end be located in the top of water purifier 30, and positive stop end is fastened on the side of water purifier 30 Edge carries out limit and buffer protection with the corner part of two sides and top to water purifier 30.

Further, top plate 20 is folded by the second paper card, and the second paper card includes supporting plate 203, and 203 side of supporting plate is set It is equipped with top plate buffer stopper fold plane 204, the edge of top plate buffer stopper fold plane 204 is provided with supporting surface 205, top plate buffer stopper folding Two broken lines are provided between folded face 204 and supporting plate 203, by top plate buffer stopper fold plane 204 along broken line to supporting plate 203 1 Rollover folding, while supporting surface 205 being turned down to 203 side of supporting plate, top plate buffer stopper 201 can be formed.Wherein, top plate buffer stopper The spacing of two broken lines is the thickness of top plate buffer stopper 201 between fold plane 204 and supporting plate 203, can be by changing the spacing Adjustment buffering thickness.

The edge of supporting surface 205 is provided with top plate buffer stopper tongue 206, and top plate buffering is correspondingly arranged on supporting plate 203 Block slot 207, after folding forms top plate buffer stopper 201, top plate buffer stopper tongue 206 is pluggable to arrive top plate buffer stopper slot In 207, to improve the stability of top plate buffer stopper 201.

Top plate lateral plate 208 is provided on supporting plate 203, it is opposite that top plate lateral plate 208 is located at top plate buffer stopper fold plane 204 Side, the both ends of supporting plate 203 are provided with top plate limiting buffer wall fold plane, turn down top plate lateral plate 208, make top plate lateral plate 208 The side wall to recline to top plate buffer stopper 201, refolding top plate limiting buffer wall fold plane, can form top plate limiting buffer wall 202。

Further, top plate limiting buffer wall fold plane includes the first folding face 209, the second folding face 210, top plate confined planes 211 With third folding face 212, broken line is equipped between the first folding face 209 and supporting plate 203, between the second folding face 210 and the first folding face 209 Equipped with broken line, be equipped with broken line between top plate confined planes 211 and the second folding face 210, third folding face 212 and top plate confined planes 211 it Between be equipped with broken line, successively turn down the first folding face 209, the second folding face 210, top plate confined planes 211 and third folding face 212, the can be made Two folding faces 210 are Chong Die with top plate lateral plate 208, and third folding face 212 is Chong Die with the first folding face 209, form top plate limiting buffer wall 202。

Folding face tongue 213 is provided in second folding face 210 and third folding face 212, the edge of supporting plate 203 is correspondingly arranged on Folding face slot 214, after top plate limiting buffer wall 202 forms, folding face tongue 213 is pluggable into folding face slot 214, improves top plate The stability of limiting buffer wall 202.

Top plate confined planes 211 are equipped with connecting plate 215, and the edge of connecting plate 215 is equipped with connecting plate tongue 216, and top plate is slow It rushes on block fold plane 204 and is correspondingly provided with connecting plate slot 217, turn down connecting plate 215,216 company of being plugged into of connecting plate tongue can be made In fishplate bar slot 217, it is fixedly connected with connecting plate 215 with top plate buffer stopper fold plane 204, further increases top plate limiting buffer The stability of wall 202.

Preferably, through-hole 218 is offered on supporting plate 203, the size of through-hole 218 should be greater than the degree of enclosing of human finger, need Extracting top plate 20 makes, and through-hole 218 can be caught on finger, will remove in 20 self-cleaning water dispenser 30 of top plate.

103 knot of limiting buffer wall in conjunction with the above-mentioned folding mode about top plate limiting buffer wall 202, with above-mentioned collet 10 Structure is similar, and for top plate limiting buffer wall 202 during molding, two side wall is also that two ply board is constituted, and strengthens into Type intensity and buffering effect.In addition, two connecting plates 215 on top plate limiting buffer wall 202 also improve left and right buffer layer Stability and impact resistance.

Referring to Fig. 9 to Figure 11, the folding mode of the top plate 20 in the present invention are as follows: firstly, along the second paper card of folding line Top plate buffer stopper fold plane 204 forms top plate buffer stopper 201, and is fixed by tongue and inserting slot construction；Then, along folding Line folds top plate lateral plate 208；Finally, the top plate limiting buffer wall 202 of 201 two sides of top plate buffer stopper is formed along folding line, Form top plate 20.

Preferably, in the present invention, tongue can also be increased at the top plate buffer stopper 201 of top plate 20 to insert with corresponding Slot, the various pieces for keeping the second cardboard adjacent link together, and reinforce integral strength, improve protective value.In addition, collet 10 The connection structure of tongue and slot can be replaced with the connection type that viscose paper etc. is pasted in forming process by corner protection structure 101, To keep the intensity of entire corner protection structure 101 stronger.

In the present invention, after 201 folding forming of top plate buffer stopper of top plate 20, inside can form hollow cavity body structure, The cavity can be used as the accessory that storage space places water purifier, such as gooseneck faucet, water valve, not only save packaging space, but also can Avoid accessory and model machine collision in transportational process that breakage occurs.The top of top plate 20 offers through-hole 218, consumer can be facilitated to tear open Packaging is taken, checks the water purifier accessory in top plate 20.The hollow buffer block of collet 10 can also do fittings packaging box use, such as place PE water pipe etc. not only takes full advantage of packaging space, but also reduces the entire package size of water purifier, improves dress cabinet amount.

It should be noted that can also realize generalization demand by changing the size of paper card broken line in the present invention, can fit Answer the water purifier of different falling height requirement and different appearances.In addition, being to come by taking water purifier as an example to paper card in the present invention Packaging structure is described, and according to actual needs, paper card packaging structure of the invention can also be applied in other kinds of household On electric appliance.

The present invention is further described by specific embodiment above, it should be understood that, here specifically Description, should not be construed as the restriction for the essence of the present invention with range, and one of ordinary skilled in the art is reading this explanation The various modifications made after book to above-described embodiment belong to the range that the present invention is protected.

Claims

1. A paper card packaging structure, characterized in that it comprises a bottom bracket and a top plate, a accommodating space is formed between the top plate and the bottom bracket, household appliances are placed in the accommodating space, and a first accommodating groove is formed on the bottom bracket, The lower part of the household appliance is placed in the first accommodating groove, the top plate is arranged above the bottom bracket, a second accommodating groove is formed on the top plate, the upper part of the household appliance is placed in the second accommodating groove, the bottom bracket and the top plate are Each is folded from a single card.

2. The paper card packaging structure according to claim 1, wherein the bottom bracket comprises a corner protection structure, the corner protection structure is arranged at the top corner of the bottom bracket, and the protruding corner of the lower part of the household appliance is placed on the corner protection within the structure.

3. The paper card packaging structure according to claim 2, wherein the corner protection structure comprises a corner protection buffer block and a limit buffer wall, the corner protection buffer block is arranged at the bottom of the corner protection structure, and the limit buffer wall is vertically arranged At the side of the corner protection buffer block, the corner protection buffer block and the limit buffer wall together form a limit buffer groove, and the protruding corners of the lower part of the household appliance are placed in the limit buffer groove.

4 . The paper card packaging structure according to claim 3 , wherein the bottom bracket is square or rectangular, the corner protection structures are arranged on the four top corners of the bottom bracket, and the limit buffer grooves of the four corner protection structures are opposite to each other. 5 . are arranged to form a first accommodating groove together.

5. The paper card packaging structure according to any one of claims 2-4, wherein the corner protection structure is a triangle.

6. The paper card packaging structure according to claim 3 or 4, wherein the bottom bracket is formed by folding a first paper card, the first paper card comprises a bottom plate, and the bottom plate is provided with a folding surface of a corner protection buffer block, which protects the The folding surface of the corner buffer block includes a fixed surface and a folded surface. Two fold lines are arranged between the fixed surface and the folded surface. A connection surface is arranged on the side of the folded surface, and a fold line is arranged between the connection surface and the folded surface. , the folded surface and the connecting surface are folded along the fold line to form a corner protection buffer block.

7. The paper card packaging structure according to claim 6, wherein the side of the connecting surface is provided with a corner protection buffer block insertion tongue, the side edge of the fixed surface is correspondingly provided with a corner protection buffer block slot, and the corner protection buffer After the folded surface of the block forms the corner protector buffer block, the corner protector buffer block tongue can be inserted into the corner protector buffer block slot.

8 . The paper card packaging structure according to claim 6 , wherein the first paper card further comprises a first side plate and a second side plate, and the first side plate and the second side plate are respectively disposed adjacent to the bottom plate. 9 . On the two sides, the first side plate and the second side plate are folded along the side of the bottom plate toward the upper surface of the bottom plate, and together with the bottom plate, form a groove structure.

9 . The paper card packaging structure according to claim 8 , wherein the end of the first side plate is provided with a folding surface of a limiting buffer wall, and the folding surface of the limiting buffer wall comprises a first fixing piece and a second fixing piece, 10 . A limiting piece is arranged between the first fixing piece and the second fixing piece, a folding line is arranged between the first fixing piece and the first side plate, and a folding line is arranged between the limiting piece and the first fixing piece and the second fixing piece, The first fixing piece, the limiting piece and the second fixing piece are folded along the folding line to form a limiting buffer wall.

10 . The paper card packaging structure according to claim 9 , wherein the limiting piece is provided with a connecting piece, a folding line is arranged between the connecting piece and the limiting piece, and the edge of the connecting piece is provided with a connecting piece tongue, 10 . A connecting piece slot is correspondingly arranged on the folded surface of the folding surface of the corner protection buffer block, the connecting piece is folded along the folding line, and the connecting piece tongue can be inserted into the connecting piece slot.

11. The paper card packaging structure according to claim 9 or 10, wherein the edges of the first fixing piece and the second fixing piece are provided with a fixing piece tongue, and the edge of the fixing surface of the folding surface of the corner protector buffer block Correspondingly, there is a fixed sheet slot, and the first fixed sheet and the second fixed sheet are folded along the folding line, so that the first fixed sheet and the second fixed sheet are overlapped with the first side plate and the second side plate respectively, and the fixed sheet is inserted into the tongue. It can be inserted into the slot of the fixing plate.

12. The paper card packaging structure according to claim 1, wherein the top plate comprises a hollow top plate buffer block, an end of the top plate buffer block is provided with a top plate limit buffer wall, and the top plate buffer block and the top plate limit buffer wall are common A second accommodating groove is formed.

13. The paper card packaging structure according to claim 12, wherein the top plate is folded from a second paper card, the second paper card comprises a support plate, and one side of the support plate is provided with a top plate buffer block folding surface, The edge of the folding surface of the top plate buffer block is provided with a supporting surface, and two folding lines are arranged between the folding surface of the top plate buffer block and the supporting plate.

14. The paper card packaging structure according to claim 13, wherein the edge of the support surface is provided with a top plate buffer block insertion tongue, and the support plate is correspondingly provided with a top plate buffer block slot, after the top plate buffer block is formed, The top plate bumper tabs fit into the top plate bumper sockets.

15. The paper card packaging structure according to claim 13, wherein a top plate side piece is provided on the support plate, the top plate side piece is located on the opposite side of the folding surface of the top plate buffer block, and both ends of the support plate are provided with a top plate side piece. The folded surface of the top plate limit buffer wall is folded over the top plate side piece and the top plate limit buffer wall folded surface to form the top plate limit buffer wall.

16 . The paper card packaging structure according to claim 15 , wherein the folding surface of the top plate limiting buffer wall comprises a first folding surface, a second folding surface, a top plate limiting surface and a third folding surface, and the first folding surface is 16 . There is a fold line between it and the supporting board, a fold line is set between the second folded surface and the first folded surface, a fold line is set between the top plate limit surface and the second fold surface, and the third fold surface and the top plate limit surface are provided with a fold line. There is a folding line between, and the first folding surface, the second folding surface, the top plate limiting surface and the third folding surface are folded in turn, so that the second folding surface and the top plate side piece can overlap, and the third folding surface and the first folding surface can be overlapped. .

17. The paper card packaging structure according to claim 16, wherein a connecting plate is arranged on the limiting surface of the top plate, a connecting plate tongue is arranged on the edge of the connecting plate, and a connection plate is correspondingly arranged on the folding surface of the buffer block of the top plate Board slot, turn over the connection board, so that the connection board tongue can be inserted into the connection board slot.

18 . The paper card packaging structure according to claim 16 , wherein the second folding surface and the third folding surface are provided with folding surface tongues, the edge of the support plate is correspondingly provided with a folding surface slot, and the top plate is provided with a folding surface slot. After the limiting buffer wall is formed, the folded tongue can be inserted into the folded slot.

19. The paper card packaging structure according to claim 12 or 13, wherein an accessory accommodating cavity is formed inside the top plate buffer block, and the accessories of the household appliance are placed in the accessory accommodating cavity.

20. The paper card packaging structure according to claim 13, wherein a through hole is formed on the support plate for extracting the top plate.

21. A household appliance, characterized by comprising the paper card packaging structure according to any one of the preceding claims 1-20.

22. The paper card packaging structure according to claim 21, wherein the household appliance is a water purifier.