Sealed packaging box

Abstract

The utility model provides a sealing packaging box, which belongs to the technical field of packaging boxes and comprises a box body and a sealing cover, the sealing cover is embedded above the box body, a supporting step is arranged above the inner side of the box body, and positioning grooves are arranged above four surfaces of the inner side of the box body; through the arrangement of the sealing strip, the positioning blocks and the positioning grooves, when the box body is sealed, the four positioning blocks on the sealing cover are pressed into the sliding grooves, then the sealing cover covers the upper opening of the box body and is extruded downwards until the bottom of the sealing cover is in contact with the sealing strip, and the box body is sealed. The positioning blocks extend out of the sliding grooves and are embedded into the positioning grooves under the action of the elastic force of the sleeving springs, the sealing cover is positioned, the sealing performance between the sealing cover and the box body is guaranteed, the box body is sealed through the sealing cover in the mode that the positioning blocks are embedded into the positioning grooves, and compared with an existing sealing cover and box body clamping mode for sealing, the sealing cover is more durable, and the sealing effect is better. The service life is prolonged, repeated use is convenient, and environmental protection is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging boxes, in particular to a sealed packaging box. Background Art

[0002] The packaging box is a box used to package products. It plays a vital role in the circulation of goods and the use of consumers. The packaging box includes paper packaging boxes, iron packaging boxes, wooden packaging boxes, etc.

[0003] The packaging box used for packaging snacks in the prior art usually needs to ensure sealing when packaging snacks. The sealing of the packaging box in the prior art is usually sealed by a snap-fitting manner. After the cover is taken out of the box body many times, the sealing between the cover and the box body will be affected, causing the food to become damp, affecting consumption, and not conducive to reuse and environmental protection. Therefore, a sealed packaging box is designed to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the problems existing in the above-mentioned background technology and proposes a sealed packaging box.

[0005] The technical problem to be solved by the utility model is to provide a sealed packaging box, which solves the problem that the existing sealed packaging boxes have poor sealing performance after being opened multiple times, thus affecting repeated use.

[0006] The utility model provides a sealed packaging box, comprising a box body and a sealing cover, wherein the sealing cover is embedded on the upper part of the box body, a supporting step is arranged on the upper part of the inner side of the box body, positioning grooves are arranged on the upper parts of the four inner sides of the box body, and a sealing strip is installed at the center of the upper surface of the supporting step;

[0007] The sealing cover includes a slide groove, a guide rod, a positioning block and a sleeve spring. The four centers of the upper surface of the sealing cover are all provided with slide grooves. The guide rod is fixedly arranged in the slide groove. The positioning block is penetrated through the guide rod. The sleeve spring is fixedly arranged between the positioning block and the end of the slide groove. The upper surface of the sealing cover is installed with an unlocking component.

[0008] Preferably, the sealing cover is embedded in the box body, and the bottom of the sealing cover is tightly attached to the sealing strip on the supporting step, and the positioning block is embedded in the positioning groove.

[0009] Preferably, when the sleeve spring is in a naturally extended state, half of the positioning block extends out of the slide slot, and the positioning block matches the positioning slot.

[0010] Preferably, the unlocking assembly includes a turntable, a connecting rod and a handle. The turntable is embedded in the center of the upper surface of the sealing cover, and the turntable is rotatably set on the sealing cover through a pin. The turntable is rotatably set with four connecting rods away from the center position through a pin, and the four connecting rods are respectively rotatably set on the positioning block through a pin.

[0011] Preferably, when the sleeve spring is in a naturally extended state, the connecting rod connected to the positioning block in the corresponding slide groove is parallel to the slide groove.

[0012] Preferably, the supporting step includes an embedding groove and a spring, an embedding groove is provided in the center of the upper surface of the supporting step, a spring is fixedly arranged at the inner bottom of the embedding groove, and the sealing strip is fixedly arranged on the spring.

[0013] Preferably, when the spring is in a naturally extended state, half of the sealing strip extends out of the embedding groove, and when the spring is in a maximum compressed state, the sealing strip is completely embedded in the embedding groove, and the sealing strip is airtightly connected to the embedding groove.

[0014] Preferably, the distance between the bottom of the positioning groove and the supporting step is equal to the distance between the bottom of the positioning block and the bottom of the sealing cover.

[0015] Compared with the prior art, the utility model has at least the following beneficial effects:

[0016] 1. The utility model is provided with a sealing strip, a positioning block and a positioning groove. When the box body is sealed, the four positioning blocks on the sealing cover are pressed into the sliding groove, and then the sealing cover is covered in the upper opening of the box body and squeezed downward until the bottom of the sealing cover contacts the sealing strip. The positioning block extends out of the sliding groove and is embedded in the positioning groove under the action of the elastic force of the sleeve spring, so as to position the sealing cover and ensure the sealing between the sealing cover and the box body. The sealing cover seals the box body by embedding the positioning block in the positioning groove. Compared with the existing sealing cover and the box body clamping method, the sealing is more durable, has a longer service life, is convenient for repeated use and is more environmentally friendly.

[0017] 2. The utility model is provided with an unlocking assembly. When the sealing cover is taken out from the box body, the handle is grasped and the turntable is rotated. The turntable rotates, so that the four connecting rods pull the four positioning blocks along the slide groove toward the center of the sealing cover, so that the positioning blocks are retracted into the slide groove, thereby achieving the effect of unlocking the sealing cover and facilitating the removal of the sealing cover from the box body.

[0018] 3. The utility model is provided with an embedding groove and a spring. When the sealing cover is covered in the box body, the positioning block on the sealing cover is embedded in the positioning groove to position the sealing cover. The horizontal height of the bottom of the sealing cover is equal to the horizontal height of the upper surface of the supporting step. The sealing cover will press the sealing strip into the embedding groove. The spring is in a compressed state. The elastic force of the spring makes the sealing strip close to the sealing cover to ensure the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0020] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the box body of the utility model.

[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the sealing cover of the utility model.

[0023] Figure 4 It is a schematic diagram of the disassembled structure of the box body and the sealing strip of the utility model.

[0024] Figure 5 For this utility model Figure 4 A is an enlarged schematic diagram of the structure.

[0025] [reference numerals]

[0026] 1. Box body; 2. Sealing cover; 201. Slide groove; 202. Guide rod; 203. Positioning block; 204. Sleeve spring; 3. Support step; 301. Embedding groove; 302. Spring; 4. Positioning groove; 5. Sealing strip; 6. Turntable; 601. Connecting rod; 602. Handle. DETAILED DESCRIPTION

[0027] Example:

[0028] like Figure 1-Figure 5 As shown, the embodiment of the utility model provides a sealed packaging box, comprising a box body 1 and a sealing cover 2, the sealing cover 2 is embedded on the top of the box body 1, a supporting step 3 is arranged on the inner side of the box body 1, positioning grooves 4 are arranged on the four inner sides of the box body 1, and a sealing strip 5 is installed in the center of the upper surface of the supporting step 3;

[0029] The sealing cover 2 includes a slide groove 201, a guide rod 202, a positioning block 203 and a sleeve spring 204. The slide grooves 201 are opened in the center of the four surfaces of the upper surface of the sealing cover 2. The guide rod 202 is fixedly arranged in the slide groove 201. The positioning block 203 is penetrated on the guide rod 202. The sleeve spring 204 is fixedly arranged between the positioning block 203 and the end of the slide groove 201. The upper surface of the sealing cover 2 is installed with an unlocking component.

[0030] By providing the sealing strip 5, the positioning block 203 and the positioning groove 4, when the box body 1 is sealed, the four positioning blocks 203 on the sealing cover 2 are pressed into the slide groove 201, and then the sealing cover 2 is covered in the upper opening of the box body 1 and squeezed downward until the bottom of the sealing cover 2 contacts the sealing strip 5, and the positioning block 203 extends out of the slide groove 201 and is embedded in the positioning groove 4 under the action of the elastic force of the sleeve spring 204, so as to position the sealing cover 2 and ensure the sealing between the sealing cover 2 and the box body 1. The sealing cover 2 is sealed to the box body 1 by embedding the positioning block 203 into the positioning groove 4. Compared with the existing sealing cover and box body clamping method for sealing, the sealing cover 2 is more durable, has a longer service life, is convenient for repeated use and is more environmentally friendly.

[0031] In this embodiment, the sealing cover 2 is embedded in the box body 1, and the bottom of the sealing cover 2 is tightly attached to the sealing strip 5 on the supporting step 3, and the positioning block 203 is embedded in the positioning groove 4, so that when the sealing cover 2 is positioned on the box body 1, the sealing strip 5 is tightly attached to the sealing cover 2 to achieve a sealing effect.

[0032] In this embodiment, when the sleeve spring 204 is in a naturally extended state, half of the positioning block 203 extends out of the slide groove 201, and the positioning block 203 is matched with the positioning groove 4, so that the positioning block 203 is conveniently embedded in the positioning groove 4 to position the sealing cover 2.

[0033] In this embodiment, the unlocking assembly includes a turntable 6, a connecting rod 601 and a handle 602. The turntable 6 is embedded in the center of the upper surface of the sealing cover 2, and the turntable 6 is rotatably set on the sealing cover 2 through a pin. The turntable 6 is rotatably set with four connecting rods 601 away from the center position through a pin, and the four connecting rods 601 are respectively rotatably set on the positioning block 203 through a pin.

[0034] In this embodiment, when the sleeve spring 204 is in a naturally extended state, the connecting rod 601 connected to the positioning block 203 in the corresponding sliding groove 201 is parallel to the sliding groove 201 .

[0035] By providing an unlocking component, when the sealing cover 2 is taken out from the box body 1, the turntable 6 is rotated by grasping the handle 602. The turntable 6 rotates so that the four connecting rods 601 pull the four positioning blocks 203 along the slide groove 201 toward the center of the sealing cover 2, so that the positioning blocks 203 retract into the slide groove 201, thereby achieving the effect of unlocking the sealing cover 2, making it convenient to take out the sealing cover 2 from the box body 1.

[0036] In this embodiment, the support step 3 includes an embedding groove 301 and a spring 302 . The embedding groove 301 is opened in the center of the upper surface of the support step 3 . The spring 302 is fixedly arranged at the inner bottom of the embedding groove 301 . The sealing strip 5 is fixedly arranged on the spring 302 .

[0037] In this embodiment, when the spring 302 is in a naturally extended state, half of the sealing strip 5 extends out of the embedding groove 301. When the spring 302 is in a maximum compressed state, the sealing strip 5 is completely embedded in the embedding groove 301, and the sealing strip 5 is airtightly connected to the embedding groove 301.

[0038] In this embodiment, the distance between the bottom of the positioning groove 4 and the supporting step 3 is equal to the distance between the bottom of the positioning block 203 and the bottom of the sealing cover 2 .

[0039] By providing the embedding groove 301 and the spring 302, when the sealing cover 2 is covered in the box body 1, the positioning block 203 on the sealing cover 2 is embedded in the positioning groove 4 to position the sealing cover, and the bottom horizontal height of the sealing cover 2 is equal to the horizontal height of the upper surface of the supporting step 3. The sealing cover 2 will press the sealing strip 5 into the embedding groove 301, and the spring 302 is in a compressed state. The elastic force of the spring 302 makes the sealing strip 5 tightly attached to the sealing cover 2 to ensure the sealing effect.

[0040] The above are only preferred implementations of the utility model. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the utility model. These should also be regarded as the protection scope of the utility model. These will not affect the effect of the implementation of the utility model and the practicality of the patent.

Claims

1. A sealed packaging box, characterized in that: The invention comprises a box body (1) and a sealing cover (2), wherein the sealing cover (2) is embedded on the top of the box body (1), a supporting step (3) is arranged on the inner top of the box body (1), positioning grooves (4) are arranged on the top of the four inner surfaces of the box body (1), and a sealing strip (5) is installed in the center of the upper surface of the supporting step (3); The sealing cover (2) comprises a slide groove (201), a guide rod (202), a positioning block (203) and a sleeve spring (204); a slide groove (201) is provided in the center of each of the four surfaces of the upper surface of the sealing cover (2); a guide rod (202) is fixedly arranged in the slide groove (201); a positioning block (203) is passed through the guide rod (202); a sleeve spring (204) is fixedly arranged between the positioning block (203) and the end of the slide groove (201); and an unlocking component is installed on the upper surface of the sealing cover (2).

2. The sealed packaging box according to claim 1, characterized in that: The sealing cover (2) is embedded in the box body (1), and the bottom of the sealing cover (2) is tightly attached to the sealing strip (5) on the supporting step (3), and the positioning block (203) is embedded in the positioning groove (4).

3. The sealed packaging box according to claim 2, characterized in that: When the sleeve spring (204) is in a naturally extended state, half of the positioning block (203) extends out of the slide groove (201), and the positioning block (203) is matched with the positioning groove (4).

4. The sealed packaging box according to claim 3, characterized in that: The unlocking assembly comprises a turntable (6), a connecting rod (601) and a handle (602); the turntable (6) is embedded in the center of the upper surface of the sealing cover (2), and the turntable (6) is rotatably arranged on the sealing cover (2) via a pin; the turntable (6) is provided with four connecting rods (601) rotatably arranged away from the center position via a pin, and the four connecting rods (601) are respectively rotatably arranged on the positioning block (203) via a pin.

5. The sealed packaging box according to claim 4, characterized in that: When the sleeve spring (204) is in a naturally extended state, the connecting rod (601) connected to the positioning block (203) in the corresponding slide groove (201) is parallel to the slide groove (201).

6. The sealed packaging box according to claim 1, characterized in that: The support step (3) comprises an embedding groove (301) and a spring (302); an embedding groove (301) is provided in the center of the upper surface of the support step (3); a spring (302) is fixedly arranged at the inner bottom of the embedding groove (301); and the sealing strip (5) is fixedly arranged on the spring (302).

7. The sealed packaging box according to claim 6, characterized in that: When the spring (302) is in a naturally extended state, half of the sealing strip (5) extends out of the embedding groove (301); when the spring (302) is in a maximum compressed state, the sealing strip (5) is completely embedded in the embedding groove (301), and the sealing strip (5) and the embedding groove (301) are connected in an airtight manner.

8. The sealed packaging box according to claim 7, characterized in that: The distance between the bottom of the positioning groove (4) and the supporting step (3) is equal to the distance between the bottom of the positioning block (203) and the bottom of the sealing cover (2).

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