CN213385748U

CN213385748U - Plastic packaging box with good sealing performance

Info

Publication number: CN213385748U
Application number: CN202022219735.7U
Authority: CN
Inventors: 许天养
Original assignee: Quanzhou Xiehao Plastic Co ltd
Current assignee: Quanzhou Xiehao Plastic Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-08
Anticipated expiration: 2030-09-30

Abstract

The utility model belongs to the plastic packaging box field specifically is a plastic packaging box that leakproofness is good, including plastic packaging box, the bottom fixed mounting of plastic packaging box inner chamber has the thing board of putting, and plastic packaging box inner chamber bottom is located the below position fixed mounting who puts the thing board and has a position fixing plate, the fixed blast pipe that has cup jointed in the position fixing plate, the fixed joint pipe that has cup jointed in bottom of blast pipe. Put the thing board through the inside setting at plastic packaging box, separate the top of blast pipe and plastic packaging box inner chamber, exhaust basis has been guaranteed, all be provided with one-way valve in blast pipe and outlet duct simultaneously, thereby when using, because blast pipe and outlet duct can only give vent to anger and can not admit air, make and to discharge the air in the plastic packaging box, make the state that is in a negative pressure in the plastic packaging box, consequently sealed lid is connected inseparabler with plastic packaging box under the oppression of atmospheric pressure, the space reduces, promote the leakproofness.

Description

Plastic packaging box with good sealing performance

Technical Field

The utility model relates to a plastic packaging box field especially relates to a plastic packaging box that leakproofness is good.

Background

The plastic box is a transparent folding box, a cylinder, a top and bottom cover box, a hand bag, an elevator hanging sheet and other related plastic products which are made of PVC/PET/PP/PS and the like, can also be made into an opaque effect, enhances the confidentiality, and simultaneously can achieve the printing effects of UV kou printing, silk screen printing, gold/silver stamping, frosting and the like.

In order to solve the problems, the application provides a plastic packaging box with good sealing performance.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a plastic packaging box that leakproofness is good has the characteristics that the leakproofness is good, simple to operate.

(II) technical scheme

For solving the technical problem, the utility model provides a plastic packaging box that leakproofness is good, including plastic packaging box, the bottom fixed mounting of plastic packaging box inner chamber has puts the thing board, and plastic packaging box inner chamber bottom is located the below position fixed mounting who puts the thing board and has a position fixing board, the fixed rigid coupling in position fixing board has the blast pipe, the fixed joint pipe that has cup jointed in bottom of blast pipe, the fixed outlet duct that has cup jointed in bottom of joint pipe, the fixed sealed lid that has cup jointed in top of plastic packaging box, the middle part activity of sealed lid has cup jointed the pressure bar, the bottom fixed mounting who presses the pressure bar has the air discharge plate, the gag lever post has been cup jointed in the both sides activity at pressure bar middle part.

Preferably, a one-way valve is arranged in the exhaust pipe, and the exhaust pipe only can exhaust air but cannot intake air.

Preferably, the air outlet pipe is fixedly sleeved at the bottom of the plastic packaging box, and a one-way valve with the same direction as the air outlet pipe is also arranged in the air outlet pipe.

Preferably, the both sides joint of sealed lid has the buckle, the buckle is the elastic component, and the bottom fixed mounting of buckle is at plastic packaging box's top.

Preferably, the bottom end of the limiting rod is fixedly installed at the top of the sealing cover, the limiting rod is movably sleeved with the reset pressure spring, the top of the inner side of the sealing cover is fixedly installed with the sealing block, and the size of the sealing block is matched with the size of the inner diameter of the plastic packaging box.

Preferably, the bottom of the pressing rod penetrates through the sealing cover and is movably sleeved with a reset tension spring, two ends of the reset tension spring are fixedly installed on opposite surfaces of the exhaust plate and the sealing block respectively, and a sealing ring is arranged at the joint of the pressing rod and the sealing cover.

The above technical scheme of the utility model has following profitable technological effect:

1. put the thing board through the inside setting at plastic packaging box, separate the top of blast pipe and plastic packaging box inner chamber, exhaust basis has been guaranteed, all be provided with one-way valve in blast pipe and outlet duct simultaneously, thereby when using, because blast pipe and outlet duct can only give vent to anger and can not admit air, make and to discharge the air in the plastic packaging box, make the state that is in a negative pressure in the plastic packaging box, consequently sealed lid is connected inseparabler with plastic packaging box under the oppression of atmospheric pressure, the space reduces, promote the leakproofness.

2. Set up the buckle through the outside at plastic packaging box top to with the both sides block of buckle and sealed lid, thereby fix the position of sealed lid, accomplish the installation of sealed lid, improved the steadiness of device, and be provided with on sealed covering and run through sealed lid and be connected with the extension spring that resets according to the depression bar, consequently can drive the air discharge plate through pressing according to the depression bar and push down, accomplish the action of exhausting, improved the reliability at.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic view of the exhaust pipe structure of the present invention.

Reference numerals:

1. plastic packing boxes; 2. a storage plate; 3. a position-retaining plate; 4. an exhaust pipe; 5. a union pipe; 6. an air outlet pipe; 7. a sealing cover; 8. buckling; 9. a pressing lever; 10. a return tension spring; 11. a seal ring; 12. an exhaust plate; 13. a limiting rod; 14. resetting the pressure spring; 15. and (6) sealing the block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-2, a plastic packaging box with good sealing performance is provided, which comprises a plastic packaging box 1, a storage plate 2 is fixedly arranged at the bottom of an inner cavity of the plastic packaging box 1, a position fixing plate 3 is fixedly arranged at the position below the storage plate 2 at the bottom of the inner cavity of the plastic packaging box 1, an exhaust pipe 4 is fixedly sleeved in the position fixing plate 3, a joint pipe 5 is fixedly sleeved at the bottom of the exhaust pipe 4, an outlet pipe 6 is fixedly sleeved at the bottom end of the joint pipe 5, a sealing cover 7 is fixedly sleeved at the top of the plastic packaging box 1, a pressing rod 9 is movably sleeved at the middle part of the sealing cover 7, an exhaust plate 12 is fixedly arranged at the bottom end of the pressing rod 9, and limiting rods 13 are movably sleeved at the.

As shown in fig. 2, be provided with one-way valve in the blast pipe 4, can only give vent to anger in the blast pipe 4 and can not admit air, be provided with one-way valve in the blast pipe 4 to the direction of valve can only give vent to anger and can not admit air, thereby when using, can discharge the air in the plastic packaging box 1 through the blast pipe 4, make the interior processing negative pressure state of plastic packaging box 1, thereby adsorb the structure together, promote the leakproofness.

In this embodiment, outlet duct 6 is fixed cup joints in the bottom of plastic packaging box 1, and also is provided with the one-way valve the same with the interior direction of blast pipe 4 in the outlet duct 6, connects the fixed cover of outlet duct 6 in plastic packaging box 1's bottom to fix the position of outlet duct 6, and also be provided with the one-way valve in outlet duct 6, thereby make outlet duct 6 also make can only give vent to anger and can not admit air, further guaranteed the leakproofness of device.

It should be noted that, the both sides joint of sealed lid 7 has buckle 8, and buckle 8 is the elastic component, and buckle 8's bottom fixed mounting is at plastic packaging box 1's top, with the both sides and the 8 joint of buckle of sealed lid 7 to the location to sealed lid 7 position is accomplished, and sets up buckle 8 into the elastic component, makes the more smooth stability of lock between sealed lid 7 and the buckle 8, has improved the steadiness of device.

As shown in fig. 1, the bottom fixed mounting of gag lever post 13 is at the top of sealed lid 7, and the activity has cup jointed the pressure spring 14 that resets on the gag lever post 13, the inboard top fixed mounting of sealed lid 7 has sealed piece 15, the size of sealed piece 15 and the size phase-match of plastic packaging box 1 internal diameter, install the bottom of gag lever post 13 on sealed lid 7, thereby utilize gag lever post 13 and be connected according to depression bar 9, the position that will press depression bar 9 is injectd, promote the stability of structure, and be provided with the pressure spring 14 that resets on gag lever post 13, make according to depression bar 9 more smooth when kick-backing, the practicality of device has been improved, and be provided with the internal diameter phase-match of sealed piece 15 and plastic packaging box 1 in the bottom of sealed lid 7, thereby accomplish preliminary sealing, the leakproofness of device has been improved.

It should be noted that, the bottom of the pressing rod 9 runs through the sealing cover 7 and is movably sleeved with the return tension spring 10, two ends of the return tension spring 10 are respectively and fixedly installed on the opposite surfaces of the exhaust plate 12 and the sealing block 15, the joint of the pressing rod 9 and the sealing cover 7 is provided with the sealing ring 11, the bottom of the pressing rod 9 runs through the sealing cover 7 and is connected with the exhaust plate 12, so that the air inside the plastic packaging box 1 can be discharged by pressing the exhaust plate 12 through the pressing rod 9, the plastic packaging box 1 is in a negative pressure state, so that the exhaust plate 12 and the sealing block 15 are sealed with the plastic packaging box 1 more compactly, and the practicability of the device is improved.

The utility model discloses a theory of operation and use flow: at first, place the device in required position, then place the article that will pack on putting thing board 2, cover sealed lid 7 and utilize 8 joints of buckle, accomplish preliminary sealed, then press down pressure pole 9, make air discharge plate 12 also pressed down, thereby pass through blast pipe 4 and outlet duct 6 discharge with the air in the plastic packaging box 1, make the state that is in a negative pressure in the plastic packaging box 1, thereby it is inseparabler with sealed lid 7 absorbent, accomplish sealedly, and finally, press down pressure pole 9 in order to increase the leakproofness regularly, can.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A plastic packing box with good sealing performance comprises a plastic packing box (1) and is characterized in that, the bottom of the inner cavity of the plastic packaging box (1) is fixedly provided with a storage plate (2), and the bottom of the inner cavity of the plastic packaging box (1) is fixedly provided with a position-fixing plate (3) at the position below the object-placing plate (2), an exhaust pipe (4) is fixedly sleeved in the position-fixing plate (3), a joint pipe (5) is fixedly sleeved at the bottom of the exhaust pipe (4), the bottom end of the combined pipe (5) is fixedly sleeved with an air outlet pipe (6), the top of the plastic packaging box (1) is fixedly sleeved with a sealing cover (7), a pressing rod (9) is movably sleeved in the middle of the sealing cover (7), an exhaust plate (12) is fixedly arranged at the bottom end of the pressing rod (9), and limiting rods (13) are movably sleeved on two sides of the middle part of the pressing rod (9).

2. The plastic packaging box with good sealing performance according to claim 1, characterized in that a one-way valve is arranged in the exhaust pipe (4), and the exhaust pipe (4) can only exhaust air but not intake air.

3. The plastic packaging box with good sealing performance as claimed in claim 1, wherein the air outlet pipe (6) is fixedly sleeved at the bottom of the plastic packaging box (1), and a one-way valve with the same guiding direction as that of the exhaust pipe (4) is also arranged in the air outlet pipe (6).

4. The plastic packing box with good sealing performance as claimed in claim 1, wherein the two sides of the sealing cover (7) are clamped with the buckles (8), the buckles (8) are elastic members, and the bottom ends of the buckles (8) are fixedly arranged at the top of the plastic packing box (1).

5. The plastic packaging box with good sealing performance as claimed in claim 1, wherein the bottom end of the limiting rod (13) is fixedly mounted at the top of the sealing cover (7), the limiting rod (13) is movably sleeved with a reset pressure spring (14), the top of the inner side of the sealing cover (7) is fixedly mounted with a sealing block (15), and the size of the sealing block (15) is matched with the size of the inner diameter of the plastic packaging box (1).

6. The plastic packaging box with good sealing performance as claimed in claim 1, wherein the bottom end of the pressing rod (9) penetrates through the sealing cover (7) and is movably sleeved with a return tension spring (10), two ends of the return tension spring (10) are respectively and fixedly installed on opposite surfaces of the exhaust plate (12) and the sealing block (15), and a sealing ring (11) is arranged at the joint of the pressing rod (9) and the sealing cover (7).