CN115140393B

CN115140393B - Stacking type environment-friendly packaging box structure

Info

Publication number: CN115140393B
Application number: CN202210852242.8A
Authority: CN
Inventors: 刘彦玲
Original assignee: Shenzhen Hengyi Printing Co ltd
Current assignee: Shenzhen Hengyi Printing Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2023-03-24
Anticipated expiration: 2042-07-19
Also published as: CN115140393A

Abstract

The invention belongs to the technical field of packaging boxes, and particularly relates to a stacking type environment-friendly packaging box structure which comprises a box body and a box cover fixedly clamped at the upper end of the box body, wherein the lower end of the box body is fixedly connected with a bottom plate, the upper end of the box cover is fixedly connected with a top plate, a corresponding stable inserting mechanism is arranged between the bottom plate and the top plate, the outer side of the box body is also fixedly connected with a plurality of power supply triggering mechanisms electrically connected with the stable inserting mechanism, the two opposite sides of the box body are fixedly connected with water storage boxes, a suction pipe is fixedly inserted and sleeved at the upper end of each water storage box, and the upper end of the suction pipe penetrates through the upper end of each water storage box. The packing box counter weight compensation device can realize stable connection between an upper packing box and a lower packing box, ensure stable accuracy of stacking among a plurality of packing boxes, quickly adjust counter weight compensation of the packing boxes, further realize stable compensation of the packing boxes, enable the packing boxes to be placed more stably, and further ensure the use stability of the packing boxes.

Description

Stacking type environment-friendly packaging box structure

Technical Field

The invention belongs to the technical field of packaging boxes, and particularly relates to a stacking type environment-friendly packaging box structure.

Background

Packages, as their name implies, are boxes used to package products, which can be classified by materials such as: carton, iron box, wooden box, cloth box, leather case, ya keli box, flute packing carton, pvc box etc. also can classify according to the name of product and say: moon cakes box, tea box, medlar box, candy box, exquisite gift box, local specialty box, wine box, chocolate box, food and drug health product box, food packaging box, tea packaging box, stationery box, etc. The function of the packing box is as follows: the safety of products in transportation is ensured, and the grade of the products is improved. The main materials of the iron box and the iron can are as follows: tinplate.

The position of the existing packaging box can deviate in the stacking process, so that the stacking of the packaging box is easy to collapse when the height is certain, the stacking efficiency is influenced, the commodities in the packaging box can be damaged, the potential safety hazard is large, and great inconvenience is caused in the actual use.

Therefore, a stacking type environment-friendly packing box structure is provided to solve the problems.

Disclosure of Invention

The invention aims to solve the problems and provides a stacking type environment-friendly packing box structure.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a pile up neatly formula environmental protection packing carton structure, includes that box body and solid lid in the box body upper end of fixation card, the lower extreme fixedly connected with bottom plate of box body, the upper end fixedly connected with roof of lid, be provided with corresponding stable insertion mechanism between bottom plate and the roof, the outside of box body is a plurality of power supply trigger mechanism who is connected with stable insertion mechanism electricity still fixedly connected with, the equal fixedly connected with water storage box in the back of the body both sides mutually of box body, the upper end fixed plug bush of water storage box has the suction tube, the upper end of suction tube runs through the upper end of water storage box, two the upper end fixed intercommunication of suction tube has same communicating pipe, the middle part of communicating pipe is provided with two-way suction pump, the fixed outside that sets up at the box body of two-way suction pump, the water storage box intussuseption is filled with the counter weight liquid, the outside of box body is fixedly connected with still and is used for controlling the counter weight that the suction pump starts adjustment mechanism.

In foretell pile up neatly formula environmental protection packing carton structure, stabilize the cartridge mechanism and include many symmetry fixed connection at the grafting post of roof upper end, a plurality of spliced eyes of pegging graft with the grafting post matching are seted up to the surface symmetry of bottom plate, the outside of spliced eye is fixed nestedly has permanent magnetism piece, the inboard that the bottom plate corresponds the spliced eye is fixed nestedly has the electromagnetic block.

In foretell pile up neatly formula environmental protection packing carton structure, power supply trigger mechanism includes the diaphragm of fixed connection in the box body outside, there is the lifter plate through elasticity compensation mechanism fixed mounting on the diaphragm, the lifter plate is located the downside of diaphragm, the downside fixedly connected with conducting block of diaphragm, the upside fixedly connected with of lifter plate and the electricity connection piece that the conducting block position corresponds, diaphragm and lifter plate are the insulation board structure.

In foretell pile up neatly formula environmental protection packing carton structure, elasticity compensation mechanism includes many symmetry fixed connection at the direction slide bar of lifter plate upper end, a plurality of slide openings that cup joint with the slip of direction slide bar are seted up to the surface symmetry of diaphragm, the upper end fixedly connected with of direction slide bar is located the anticreep board of diaphragm upside, the compensation spring outside the direction slide bar is established to the downside of anticreep board and the upper end fixedly connected with cover of diaphragm.

In foretell pile up neatly formula environmental protection packing carton structure, the counter weight starts adjustment mechanism and includes the regulation shell of fixed connection in the box body outside, the inboard sliding connection of regulation shell has the balancing weight, the equal fixedly connected with reset spring in the both sides of the back of the body of balancing weight, reset spring keeps away from the one end of balancing weight and the inner wall fixed connection who adjusts the shell, the electrically conductive needle of downside fixedly connected with elasticity of balancing weight, adjust two resistance strips of the inner wall bottom symmetry fixedly connected with of shell.

In foretell pile up neatly formula environmental protection packing carton structure, the upper end fixedly connected with sliding block of balancing weight, the bar opening has been seted up to the upper end of adjusting the shell, adjust the shell and correspond the spacing slide bar of fixedly connected with in the bar opening, the slide opening that slides and cup joint with spacing slide bar is seted up to the lateral wall of sliding block.

In foretell pile up neatly formula environmental protection packing carton structure, many locating levers of the upper end symmetry fixedly connected with of box body, a plurality of constant head tanks of pegging graft are seted up with the locating lever to the lower extreme symmetry of lid, the outside cladding of locating lever has one deck damping cushion.

In foretell pile up neatly formula environmental protection packing carton structure, the even fixedly connected with in inner wall top of lid pushes away the spring, and is a plurality of push away the same cavity crimping board of lower extreme fixedly connected with of spring is pushed away to the crowded, a plurality of holes that absorb moisture have been seted up to the surface symmetry of cavity crimping board, the inboard of cavity crimping board is filled out and is equipped with the active carbon hygroscopic agent.

In foretell pile up neatly formula environmental protection packing carton structure, a plurality of joint lacks the groove, two relatively all have been seted up to one side of relative inner wall of box body the joint lacks inslot joint and has same partition baffle.

Compared with the prior art, the invention provides a stacking type environment-friendly packaging box structure which has the following beneficial effects:

1. this pile up neatly formula environmental protection packing carton structure through box body, lid, bottom plate, roof, the stable plug-in mounting mechanism and the power supply trigger mechanism that is equipped with for two upper and lower packing carton can the quick cartridge of rapid stabilization be in the same place, and can realize the stable connection between two upper and lower packing carton, guarantee the pile up neatly accuracy between a plurality of packing carton.

2. This pile up neatly formula environmental protection packing carton structure, water storage box through being equipped with, the suction tube, communicating pipe, two-way suction pump, counter weight liquid and counter weight start adjustment mechanism, pack counter weight liquid in the water storage box and compensate as the counter weight, when the packing carton takes place to incline, the counter weight starts the cooperation of the interior elasticity conductive needle of adjustment mechanism and resistance strip and realizes the forward and reverse power supply change to two-way suction pump this moment, and then carry counter weight liquid to the water storage box of upside position in the water storage box of slope downside position in the water storage box, can carry out quick adjustment to the counter weight compensation of packing carton, and then can realize the stable compensation to the packing carton, make placing of packing carton more firm, and then guaranteed the stability in use of packing carton.

3. This pile up neatly formula environmental protection packing carton structure, locating lever through being equipped with, the constant head tank, crowded spring that pushes away, cavity crimping board, the active carbon hygroscopic agent, the joint lacks the groove and separates the baffle, the matching of locating lever and constant head tank is pegged graft and is realized the stable connection between box body and the lid, crowded spring that pushes away promotes cavity crimping board and pushes down, material to in the box body is stably placed, and the active carbon hygroscopic agent of establishing of packing in the cavity crimping inboard can adsorb the moisture in the box body fast, the cooperation through joint lacks the groove and separates the baffle in the box body realizes effectively separating the space of placing in the box body and places, convenient to use.

In summary, the following steps: the packing box counter weight compensation device can realize stable connection between an upper packing box and a lower packing box, ensure stable accuracy of stacking among a plurality of packing boxes, quickly adjust counter weight compensation of the packing boxes, further realize stable compensation of the packing boxes, enable the packing boxes to be placed more stably, and further ensure the use stability of the packing boxes.

Drawings

FIG. 1 is a schematic view of a stacking type environment-friendly packing box structure provided by the invention;

FIG. 2 is an enlarged view of a stable insertion mechanism of the pallet environmental protection package box structure according to the present invention;

FIG. 3 is an enlarged view of a counterweight actuation adjustment mechanism of a palletized environmentally friendly package box structure according to the present invention;

FIG. 4 is a schematic cross-sectional structural diagram of a box body of a stacking type environment-friendly packing box structure provided by the invention;

fig. 5 is an enlarged view of a portion a of fig. 4.

In the figure: 1. a box body; 2. a box cover; 3. a base plate; 4. a top plate; 5. a stable insertion mechanism; 51. inserting the column; 52. inserting holes; 53. permanent magnet blocks; 54. an electromagnetic block; 6. a power supply trigger mechanism; 61. a transverse plate; 62. a lifting plate; 63. a conductive block; 64. an electrical connection block; 7. a water storage tank; 8. a suction tube; 9. a communicating pipe; 10. a bi-directional suction pump; 11. a weight matching liquid; 12. the counterweight starts the regulating mechanism; 121. an adjustment housing; 122. a balancing weight; 123. a return spring; 124. an elastic conductive pin; 125. a resistor strip; 126. a slider; 127. a strip-shaped opening; 128. a limiting slide bar; 13. an elastic compensation mechanism; 131. a guide slide bar; 132. an anti-drop plate; 133. a compensation spring; 14. positioning a rod; 15. positioning a groove; 16. pushing the spring; 17. a hollow compression joint plate; 18. an activated carbon hygroscopic agent; 19. clamping a notch; 20. separating the baffles.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Please refer to fig. 1-5, a stacking type environment-friendly packaging box structure, which comprises a box body 1 and a box cover 2 fixedly clamped at the upper end of the box body 1, a bottom plate 3 fixedly connected to the lower end of the box body 1, a top plate 4 fixedly connected to the upper end of the box cover 2, a corresponding stable inserting mechanism 5 arranged between the bottom plate 3 and the top plate 4, a plurality of power supply triggering mechanisms 6 electrically connected to the stable inserting mechanism 5 and fixedly connected to the outer side of the box body 1, a water storage tank 7 fixedly connected to the two opposite sides of the box body 1, a suction pipe 8 fixedly inserted in the upper end of the water storage tank 7, the upper end of the suction pipe 8 penetrating through the upper end of the water storage tank 7, the upper ends of the two suction pipes 8 are fixedly communicated with a same communicating pipe 9, a bidirectional suction pump 10 is arranged in the middle of the communicating pipe 9, the bidirectional suction pump 10 is fixedly arranged at the outer side of the box body 1, a counterweight starting adjusting mechanism 12 for controlling the starting of the suction pump is fixedly connected to the outer side of the water storage tank 7.

The stable inserting mechanism 5 comprises a plurality of inserting columns 51 which are symmetrically and fixedly connected to the upper end of the top plate 4, a plurality of inserting holes 52 which are matched and inserted with the inserting columns 51 are symmetrically formed in the surface of the bottom plate 3, permanent magnets 53 are fixedly embedded on the outer sides of the inserting columns 51, electromagnetic blocks 54 are fixedly embedded on the inner sides of the bottom plate 3 corresponding to the inserting holes 52, the upper packaging box and the lower packaging box are stably connected through the matching of the bottom plate 3 and the top plate 4 through the matching of the inserting columns 51 and the inserting holes 52, in the inserting process of the inserting columns 51, the inserting columns 51 upwards push the lifting plate 62 to move upwards, the lifting plate 62 enables the electric connection block 64 to be in contact with a conductive block 63 on the lower side of the transverse plate 61, the lifting plate 62 is pushed to move towards the sliding rod 131, the compensation spring 133 is stretched, the connection of the conductive block 63 and the electric connection block 64 is communicated with the power supply of the electromagnetic blocks 54, so that the electromagnetic blocks 54 firmly adsorb the permanent magnets 53, and the stable connection of the upper packaging box and the lower packaging box is realized.

The power supply triggering mechanism 6 comprises a transverse plate 61 fixedly connected to the outer side of the box body 1, a lifting plate 62 is fixedly mounted on the transverse plate 61 through an elastic compensation mechanism 13, the lifting plate 62 is located on the lower side of the transverse plate 61, a conductive block 63 is fixedly connected to the lower side of the transverse plate 61, an electric connection block 64 corresponding to the position of the conductive block 63 is fixedly connected to the upper side of the lifting plate 62, and the transverse plate 61 and the lifting plate 62 are both of an insulating plate structure.

The elastic compensation mechanism 13 comprises a plurality of guide slide bars 131 symmetrically and fixedly connected to the upper end of the lifting plate 62, a plurality of slide holes slidably sleeved with the guide slide bars 131 are symmetrically formed in the surface of the transverse plate 61, an anti-falling plate 132 located on the upper side of the transverse plate 61 is fixedly connected to the upper end of the guide slide bars 131, and a compensation spring 133 sleeved outside the guide slide bars 131 is fixedly connected to the lower side of the anti-falling plate 132 and the upper end of the transverse plate 61.

The counterweight starting adjusting mechanism 12 comprises an adjusting shell 121 fixedly connected to the outer side of the box body 1, an inner side sliding connection of the adjusting shell 121 is provided with a counterweight 122, two opposite sides of the counterweight 122 are fixedly connected with return springs 123, one end of each return spring 123 far away from the counterweight 122 and the inner wall fixed connection of the adjusting shell 121, a lower side of each counterweight 122 is fixedly connected with an elastic conductive needle 124, two resistor strips 125 are symmetrically and fixedly connected to the bottom of the inner wall of the adjusting shell 121, when the packaging box inclines, the counterweight 122 enables the counterweight 122 to incline relatively through the sliding connection of a limiting sliding rod 128 and a sliding block 126, the elastic conductive needles 124 on the lower side of the counterweight 122 are made to move to the corresponding resistor strips 125, the two resistor strips 125 are respectively connected into a positive circuit and a negative circuit of the bidirectional suction pump 10, the positive and negative power supply change of the bidirectional suction pump 10 is realized through the cooperation of the resistor strips 125, the larger the counterweight liquid 11 in the water storage box 7 on the lower side of the inclined position is conveyed into the water storage box 7 on the upper side, the inclined position is connected into the inclined resistor strips 125, the larger current is, the larger the stable compensation of the packaging box is ensured, and the stable use of the packaging box.

The upper end fixedly connected with sliding block 126 of balancing weight 122, adjust the upper end of shell 121 and seted up bar opening 127, adjust the interior fixedly connected with of bar opening 127 of shell 121 correspondence bar opening 128, the sliding hole that cup joints with spacing slide bar 128 slip is seted up to the lateral wall of sliding block 126, balancing weight 122 makes balancing weight 122 relative inclined movement through the sliding connection of spacing slide bar 128 and sliding block 126.

Many locating levers 14 of the upper end symmetry fixedly connected with of box body 1, a plurality of constant head tanks 15 that match the grafting with locating lever 14 are seted up to the lower extreme symmetry of lid 2, and the outside cladding of locating lever 14 has one deck damping cushion, and the matching of locating lever 14 and constant head tank 15 is pegged graft and is realized the stable connection between box body 1 and the lid 2.

The even fixedly connected with in inner wall top of lid 2 pushes away spring 16 a plurality of crowds, and a plurality of crowded same cavity crimping board 17 of lower extreme fixedly connected with who pushes away spring 16, and a plurality of moisture absorption holes have been seted up to cavity crimping board 17's surface symmetry, and the inboard of cavity crimping board 17 is filled out and is equipped with active carbon hygroscopic agent 18, and the active carbon hygroscopic agent 18 that fills in cavity crimping board 17 and establish can carry out the moisture in the box body 1 and adsorb fast.

A plurality of joints lack groove 19 has all been seted up to one side inner wall relative of box body 1, and two relative joints lack the joint in the groove 19 and have same partition baffle 20, lack groove 19 and partition baffle 20's cooperation through the joint in the box body 1 and realize effectively separating the space of placing in the box body 1 and place convenient to use.

The operating principle of the present invention will now be described as follows: through the arranged box body 1, the box cover 2, the bottom plate 3, the top plate 4, the stable inserting mechanism 5 and the power supply triggering mechanism 6, the upper and lower packaging boxes are stably connected through the matching of the bottom plate 3 and the top plate 4 through the matching of the inserting column 51 and the inserting hole 52, in the inserting process of the inserting column 51, the inserting column 51 upwards pushes the lifting plate 62 to move upwards, the lifting plate 62 enables the electric connection block 64 to be in contact with the conductive block 63 on the lower side of the transverse plate 61, the lifting plate 62 is pushed to the sliding rod 131 at the moment, the compensation spring 133 is stretched, the connection of the conductive block 63 and the electric connection block 64 is communicated with the power supply of the electromagnetic block 54, so that the electromagnetic block 54 stably adsorbs the permanent magnet 53, the stable connection of the upper and lower packaging boxes is realized, the upper and lower packaging boxes can be quickly and stably inserted together, the stable connection between the upper and lower packaging boxes can be realized, and the stable accuracy of stacking among a plurality of packaging boxes is ensured;

through the water storage tank 7, the suction pipe 8, the communicating pipe 9, the bidirectional suction pump 10, the counterweight liquid 11 and the counterweight starting adjusting mechanism 12, the counterweight liquid 11 is filled in the water storage tank 7 to be used as counterweight compensation, when the packaging box inclines, the counterweight 122 relatively inclines and moves through the sliding connection of the limiting slide rod 128 and the sliding block 126, and then the elastic conductive needle 124 on the lower side of the counterweight 122 moves to the corresponding resistor strip 125, the two resistor strips 125 are respectively connected into a positive and negative circuit controlling the bidirectional suction pump 10, and the positive and negative power supply change of the bidirectional suction pump 10 is realized by the cooperation of the resistor strips 125, so that the counterweight liquid 11 in the water storage tank 7 on the lower side of the incline is conveyed to the water storage tank 7 on the upper side, and the larger the incline is the smaller the connection of the resistor strips 125 is, the larger the current is, the bidirectional suction pump 10 works stronger, the counterweight compensation of the packaging box can be quickly adjusted, and the stable compensation of the packaging box can be realized, the placement of the packaging box is more stable, and the use stability of the packaging box is ensured;

through the locating lever 14 that is equipped with, the constant head tank 15, crowded spring 16 that pushes away, cavity crimping board 17, activated carbon hygroscopic agent 18, the joint lacks groove 19 and separates baffle 20, locating lever 14 and constant head tank 15's matching is pegged graft and is realized the stable connection between box body 1 and lid 2, crowded spring 16 that pushes away promotes cavity crimping board 17 and pushes down, the material to in the box body 1 is stably placed, and activated carbon hygroscopic agent 18 that establishes of packing in the cavity crimping board 17 can adsorb the moisture in the box body 1 fast, the cooperation that lacks groove 19 and separate baffle 20 through the joint in the box body 1 realizes effectively separating the space of placing in the box body 1 and places, and convenient to use.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a pile up neatly formula environmental protection packing carton structure, includes that box body (1) and solid lid (2) in box body (1) upper end of fixation card, its characterized in that: the utility model discloses a box body, including box body (1), lower extreme fixedly connected with bottom plate (3) of box body (1), upper end fixedly connected with roof (4) of lid (2), be provided with corresponding stable plug mechanism (5) between bottom plate (3) and roof (4), the outside of box body (1) is still a plurality of power supply trigger mechanism (6) of being connected with stable plug mechanism (5) electricity, the equal fixedly connected with water storage box (7) in both sides back of the body of box body (1), the upper end fixed plug bush of water storage box (7) has suction tube (8), the upper end of suction tube (8) runs through the upper end of water storage box (7), two the fixed intercommunication in upper end of suction tube (8) has same communicating pipe (9), the middle part of communicating pipe (9) is provided with two-way suction pump (10), two-way suction pump (10) are fixed to be set up in the outside of box body (1), the intussuseption of water storage box (7) is filled with counter weight liquid (11), the outside of box body (1) is still fixedly connected with and is used for controlling the starting counter weight adjustment mechanism (12) that the suction pump starts.

2. The environment-friendly palletized package box structure as claimed in claim 1, wherein: the stable inserting mechanism (5) comprises a plurality of inserting columns (51) which are symmetrically and fixedly connected to the upper end of the top plate (4), a plurality of inserting holes (52) which are matched and inserted with the inserting columns (51) are symmetrically formed in the surface of the bottom plate (3), permanent magnets (53) are fixedly embedded and sleeved on the outer sides of the inserting columns (51), and electromagnetic blocks (54) are fixedly embedded and sleeved on the inner sides of the bottom plate (3) corresponding to the inserting holes (52).

3. The environment-friendly palletized package box structure as claimed in claim 1, wherein: power supply trigger mechanism (6) are including diaphragm (61) of fixed connection in box body (1) outside, there are lifter plate (62) through elasticity compensation mechanism (13) fixed mounting on diaphragm (61), lifter plate (62) are located the downside of diaphragm (61), downside fixedly connected with conducting block (63) of diaphragm (61), the upside fixedly connected with of lifter plate (62) connects piece (64) with the electricity that conducting block (63) position corresponds, diaphragm (61) and lifter plate (62) are the insulating plate structure.

4. The environment-friendly palletized package box structure as claimed in claim 3, wherein: elasticity compensation mechanism (13) include many symmetry fixed connection guide slide bar (131) in lifter plate (62) upper end, the slide opening that a plurality of and guide slide bar (131) slip cup joints is seted up to the surface symmetry of diaphragm (61), the upper end fixedly connected with of guide slide bar (131) is located anticreep board (132) of diaphragm (61) upside, compensation spring (133) outside guide slide bar (131) are established to the downside of anticreep board (132) and the upper end fixedly connected with cover of diaphragm (61).

5. The environment-friendly palletized package box structure as claimed in claim 1, wherein: the counter weight starts adjustment mechanism (12) and includes regulation shell (121) in the box body (1) outside fixed connection, the inboard sliding connection who adjusts shell (121) has balancing weight (122), the equal fixedly connected with reset spring (123) in both sides mutually opposite to each other of balancing weight (122), the one end that balancing weight (122) were kept away from in reset spring (123) and the inner wall fixed connection who adjusts shell (121), the downside fixed connection of balancing weight (122) has elastic conductive needle (124), adjust two resistance strips (125) of inner wall bottom symmetry fixed connection of shell (121).

6. The environment-friendly palletized package box structure as claimed in claim 5, wherein: the upper end fixedly connected with sliding block (126) of balancing weight (122), bar opening (127) have been seted up to the upper end of adjusting shell (121), adjust shell (121) and correspond spacing slide bar (128) of fixedly connected with in bar opening (127), the slide opening that cup joints with spacing slide bar (128) slip is seted up to the lateral wall of sliding block (126).

7. The environment-friendly palletized package box structure as claimed in claim 1, wherein: the upper end symmetry fixedly connected with many locating levers (14) of box body (1), the lower extreme symmetry of lid (2) is seted up a plurality of constant head tanks (15) of pegging graft with locating lever (14) matching, the outside cladding of locating lever (14) has the one deck damping cushion.

8. The environment-friendly palletized package box structure as claimed in claim 1, wherein: the even fixedly connected with in inner wall top of lid (2) pushes away spring (16) a plurality of crowded, and is a plurality of the same cavity crimping board (17) of lower extreme fixedly connected with of crowded spring (16) that pushes away, a plurality of moisture absorption holes have been seted up to the surface symmetry of cavity crimping board (17), activated carbon hygroscopic agent (18) have been filled out to the inboard of cavity crimping board (17).

9. The environment-friendly palletized package box structure as claimed in claim 1, wherein: a plurality of joint notches (19) have all been seted up to the relative one side inner wall of box body (1), two relatively joint has same partition baffle (20) to block in joint notch (19).