Novel blister meal box

Abstract

The utility model provides a novel blister lunch box which comprises a box body, a box cover is arranged above the box body, an arc-shaped clamping block is fixedly connected to the side face of the box body, a leakage-proof mechanism is arranged in the box body, and the leakage-proof mechanism comprises a concave groove formed in the top of the box body. According to the novel plastic uptake lunch box, when the lunch box is used, a fixing supporting rod in a leakage-proof mechanism is installed in a concave groove and is supported and fixed through a supporting spring, then a blocking plate is installed in the concave groove, and in the lunch box transportation process, when the lunch box shakes and contains soup liquid, the blocking plate is fixed to the concave groove; when the food box is transported, the plugging plate automatically moves upwards and continuously extrudes the bottom of the box cover, so that a gap between the box cover and the box body is plugged, a plastic film does not need to be wound, liquid is prevented from flowing out of the food box, and the purposes of automatically preventing internal liquid leakage in the transportation process, being very convenient and having a good effect are achieved.

Description

Technical Field

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

[0002] In a broad sense, blister lunch boxes refer to all blister boxes. In a narrow sense, it is just a type of blister box, which is formed into a plastic box shape by blistering sheet material, with the lid connected to the container. It is currently mostly used in the field of takeout packaging. It has the advantages of light weight, convenient transportation, good sealing performance, and environmental protection. It is of great significance in the fast food takeout industry.

[0003] After packaging food in existing blister lunch boxes, it is often necessary to wrap multiple turns of plastic film at the connection between the side box body and the box lid. This is because the connection between the box body and the box lid of the blister lunch box is not tight enough. When soup or liquid is placed inside the box body, as the lunch box shakes during transportation, the liquid will flow out through the gap between the box body and the box lid, resulting in waste of transported food. However, this method of wrapping plastic film to prevent liquid leakage is very inconvenient and has a poor anti-leakage effect. Utility Model Content

[0004] In order to solve the problem that the method of preventing liquid leakage in the lunch box by wrapping the plastic film is very inconvenient and has poor effect, the above purpose of automatically preventing internal liquid leakage during transportation is achieved, which is very convenient and effective. The utility model is achieved through the following technical solutions: a new type of blister lunch box, including a box body, a box cover is provided on the top of the box body, an arc-shaped card block is fixedly connected to the side of the box body, the interior of the box body includes a leak-proof mechanism, the leak-proof mechanism includes a concave groove opened on the top of the box body, a fixed strut is provided inside the concave groove, and the fixed struts are fixedly connected between The cam is connected to the support spring, and a rocking plate is inserted between the fixed support rods and above the support spring. The bottom of the rocking plate is fixedly connected to a limiting plate, and a resist spring is provided on the side of the limiting plate away from the center of the rocking plate. A supporting frame is provided above the rocking plate, and the top of the supporting frame is rotatably connected to a buffer screw, and the side of the buffer screw is meshed with a buffer tooth plate, the top of the buffer screw is fixedly connected to a buffer spring, and the top of the buffer spring is rotatably connected to a blocking plate, and the bottom of the blocking plate is fixedly connected to a push rod, and the side of the buffer spring includes a force unloading mechanism.

[0005] Furthermore, a card slot is provided on the side of the box body, and fits with the arc-shaped card block. When the box cover closes the box body, it is fixed by the card slot and the arc-shaped card block.

[0006] Furthermore, the buffer screw and the buffer tooth plate are engaged and transmitted in a unidirectional downward direction, so that the buffer screw will continue to squeeze the buffer spring above after moving upward, thereby causing the blocking plate to continue to squeeze the inner bottom wall of the box cover.

[0007] Furthermore, when the support spring is located inside the recessed groove, it is in a squeezed state, thereby fixing the fixed support rod to the recessed groove.

[0008] Furthermore, an arc-shaped protrusion is provided on the top of the shaking plate, and initially no squeezing is caused on the bottom of the receiving frame. As the lunch box shakes, the shaking plate will drive the arc-shaped protrusion on the top to squeeze the receiving frame upward.

[0009] Furthermore, the unloading mechanism includes an air leakage pipe inserted into the side of the buffer spring, and a one-way limiting valve is provided inside the air leakage pipe.

[0010] Furthermore, the valve port of the one-way limiting valve points to the side away from the buffer spring. When the air pressure inside the buffer spring is too high, the gas inside the buffer spring is discharged through the one-way limiting valve to prevent the sealing plate above the buffer spring from exerting too much pressure on the bottom of the box cover and pushing the box cover away from the box body.

[0011] The utility model provides a new type of blister lunch box. It has the following beneficial effects:

[0012] 1. When using this new blister lunch box, the fixed support rod inside the leak-proof mechanism is installed into the inside of the concave groove and fixed with the support spring, and then the blocking plate is installed into the inside of the concave groove. During the transportation of the lunch box, when the lunch box shakes and soup is contained inside, the blocking plate will automatically move upward and continue to squeeze the bottom of the box lid, so that the gap between the box lid and the box body is blocked. There is no need to wrap a plastic film, thereby preventing the liquid from flowing out of the lunch box, thereby automatically preventing the internal liquid from leaking during transportation, which is very convenient and effective.

[0013] 2. For this new blister lunch box, when the buffer screw squeezes the buffer spring, when the air pressure inside the buffer spring is too large, it will cause the sealing plate to squeeze the bottom of the box cover excessively, causing the box cover to separate from the box body. Therefore, a force unloading mechanism is provided. Since the buffer spring and the air leakage pipe are interconnected, the air pressure inside the buffer spring will act on the inside of the one-way restricting valve. When the air pressure is too large, the one-way restricting valve will be pushed open, causing the air leakage pipe to open to deflate the buffer spring, and then unload the force on the sealing plate, preventing the sealing plate from excessively squeezing the bottom of the box cover and causing the box cover to separate from the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic cross-sectional view of the overall structure of the utility model;

[0015] Figure 2 This is a schematic cross-sectional top view of the structural box body 1 of the present invention;

[0016] Figure 3This is a schematic cross-sectional view of the recessed groove of the utility model structure;

[0017] Figure 4 For the utility model structure Figure 3 A magnified schematic diagram of part A;

[0018] Figure 5 For the utility model structure Figure 3 Enlarged schematic diagram of part B.

[0019] In the figure: 1. Box body; 2. Box cover; 3. Arc-shaped block; 4. Leakage prevention mechanism; 401. Recessed groove; 402. Fixed support rod; 403. Support spring; 404. Rocking plate; 405. Limiting plate; 406. Resistive spring; 407. Support frame; 408. Buffer screw; 409. Buffer tooth plate; 410. Buffer spring; 411. Sealing plate; 412. Push rod; 5. Unloading mechanism; 501. Leakage pipe; 502. One-way limiting valve. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] The embodiment of this novel blister lunch box is as follows:

[0022] Example:

[0023] See also Figure 1-5 A new type of blister lunch box, comprising a box body 1, a card slot is provided on the side of the box body 1, and fits with the arc-shaped card block 3. When the box cover 2 closes the box body 1, it is fixed by the card slot and the arc-shaped card block 3. A box cover 2 is provided on the top of the box body 1, and the arc-shaped card block 3 is fixedly connected to the side of the box body 1. The interior of the box body 1 includes a leak-proof mechanism 4, which includes a recessed groove 401 opened at the top of the box body 1, and a fixed strut 402 is provided inside the recessed groove 401. A support spring 403 is fixedly connected between the fixed struts 402. When the support spring 403 is located inside the recessed groove 401, it is in an extruded state, fixing the fixed strut 402 to the recessed groove 401, and a shaking plate 404 is inserted between the fixed struts 402 and above the support spring 403.

[0024] The top of the shaking plate 404 is provided with an arc-shaped protrusion, and initially no squeezing is caused on the bottom of the receiving frame 407. As the lunch box shakes, the shaking plate 404 will drive the arc-shaped protrusion on the top to squeeze the receiving frame 407 upward. The bottom of the shaking plate 404 is fixedly connected to the limiting plate 405. The side of the limiting plate 405 away from the center of the shaking plate 404 is provided with a resisting spring 406. A receiving frame 407 is provided above the shaking plate 404. The top of the receiving frame 407 is rotatably connected to a buffer screw 408. The buffer screw 408 and the buffer tooth plate 409 are engaged and transmitted downward in one direction, so that the buffer screw 408 will continue to squeeze the buffer spring 410 above after moving upward, thereby causing the sealing plate 411 to continuously squeeze the inner bottom wall of the box cover 2, and the side of the buffer screw 408 is engaged and connected with the buffer tooth plate 409.

[0025] The top of the buffer screw 408 is fixedly connected to a buffer spring 410, the top of the buffer spring 410 is rotatably connected to a sealing plate 411, the bottom of the sealing plate 411 is fixedly connected to a push rod 412, and the side of the buffer spring 410 includes a force unloading mechanism 5, the force unloading mechanism 5 includes a leakage pipe 501 inserted into the side of the buffer spring 410, and a one-way limiting valve 502 is provided inside the leakage pipe 501. The valve mouth of the one-way limiting valve 502 points to the side away from the buffer spring 410. When the air pressure inside the buffer spring 410 is too high, the gas inside the buffer spring 410 is discharged through the one-way limiting valve 502 to prevent the sealing plate 411 above the buffer spring 410 from squeezing the bottom of the box cover 2 too much and pushing the box cover 2 away from the box body 1.

[0026] When the lunch box is in use, the fixed support rod 402 inside the leak-proof mechanism 4 is installed into the inside of the recessed groove 401 and fixed with the support of the support spring 403. Then the blocking plate 411 is installed into the inside of the recessed groove 401. During the transportation of the lunch box, when the lunch box shakes and soup is contained inside, the shaking plate 404 will shake synchronously under the action of the inertial force generated by the shaking, and then move left and right relative to the recessed groove 401 through the restriction of the limit plate 405 and the resisting spring 406. The arc-shaped protrusion on the top will cause the receiving frame 407 to shake. The buffer screw 408 is squeezed and moved upward by the receiving frame 407. Since the buffer screw 408 and the buffer tooth plate 409 are meshed and driven in a one-way downward direction, the buffer screw 408 will continue to squeeze the buffer spring 410 above after moving upward, thereby causing the blocking plate 411 to continue to squeeze the inner bottom wall of the box cover 2, so that the gap between the box cover 2 and the box body 1 is blocked, and there is no need to wrap a plastic film, thereby preventing liquid from flowing out of the lunch box, thereby automatically preventing internal liquid leakage during transportation, which is very convenient and effective.

[0027] When the buffer screw 408 squeezes the buffer spring 410, when the air pressure inside the buffer spring 410 is too large, it will cause the sealing plate 411 to squeeze the bottom of the box cover 2 excessively, causing the box cover 2 to separate from the box body 1, so a force unloading mechanism 5 is provided. Since the buffer spring 410 is interconnected with the leakage pipe 501, the air pressure inside the buffer spring 410 will act on the inside of the one-way limiting valve 502. When the air pressure is too large, the one-way limiting valve 502 will be pushed open, causing the leakage pipe 501 to open to deflate the buffer spring 410, and then unload the force on the sealing plate 411, preventing the sealing plate 411 from excessively squeezing the bottom of the box cover 2 and causing the box cover 2 to separate from the box body 1.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel blister lunch box, comprising a box body (1), characterized in that: A box cover (2) is provided above the box body (1), an arc-shaped clamping block (3) is fixedly connected to the side of the box body (1), and a leak-proof mechanism (4) is included inside the box body (1), and the leak-proof mechanism (4) includes a recessed groove (401) provided at the top of the box body (1), a fixed support rod (402) is provided inside the recessed groove (401), a support spring (403) is fixedly connected between the fixed support rods (402), a shaking plate (404) is inserted between the fixed support rods (402) and located above the support spring (403), the bottom of the shaking plate (404) is fixedly connected to a limiting plate (405), and a resisting spring (406) is provided on the side of the limiting plate (405) away from the center of the shaking plate (404). A receiving frame (407) is provided above the shaking plate (404), the top of the receiving frame (407) is rotatably connected to a buffer screw (408), the side of the buffer screw (408) is meshedly connected to a buffer tooth plate (409), the top of the buffer screw (408) is fixedly connected to a buffer spring (410), the top of the buffer spring (410) is rotatably connected to a blocking plate (411), the bottom of the blocking plate (411) is fixedly connected to a push rod (412), and the side of the buffer spring (410) includes a force unloading mechanism (5); the top of the shaking plate (404) is provided with an arc-shaped protrusion, which is made of elastic material and will generate deformation and elastic potential energy when squeezed, and does not cause squeezing to the bottom of the receiving frame (407) initially.

2. A novel blister lunch box according to claim 1, characterized in that: A card slot is provided on the side of the box body (1) and fits with the arc-shaped card block (3).

3. The novel blister lunch box according to claim 1, characterized in that: The buffer screw (408) and the buffer tooth plate (409) are meshed and driven in a one-way downward direction.

4. The novel blister lunch box according to claim 1, characterized in that: The support spring (403) is in a squeezed state when located inside the recessed groove (401).

5. The novel blister lunch box according to claim 1, characterized in that: The unloading mechanism (5) comprises an air leakage pipe (501) inserted into the side of the buffer spring (410), and a one-way limiting valve (502) is provided inside the air leakage pipe (501).

6. The novel blister lunch box according to claim 5, characterized in that: The valve port of the one-way limiting valve (502) points to a side away from the buffer spring (410).

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