Rotary locking type preservation box

Abstract

A rotary locking type preservation box comprises a box body and a box cover, a sealing structure is arranged between the box body and the box cover, a rotary locking structure is arranged between the box body and the box cover, the rotary locking structure comprises a downwards-concave rotary groove formed in the box cover, a rotary knob is arranged in the rotary groove, at least two locking pieces extending outwards are arranged on the rotary knob, and the locking pieces are arranged on the box cover. The opening part of the box body is provided with a box edge which is upwards higher than the box cover, the box edge is provided with at least two lock holes, and the lock plates are matched with the lock holes. Compared with an existing preservation box in the market, a rotary locking structure is adopted, the lock plate and the lock hole are matched and are not prone to abrasion, and the preservation box has the advantages of being easier to operate, more reliable in preservation locking and longer in service life.

Description

Technical Field

[0001] The utility model relates to a food storage container, in particular to a rotary locking type fresh-keeping box, belonging to the field of storage containers. Background Art

[0002] There are many types of fresh-keeping boxes on the market. The basic structure is usually composed of a box body and a box cover. A sealing ring is provided on the box cover. When the box cover is covered on the box body, it is fastened by a buckle structure, and under the action of the sealing ring, the box body is kept sealed, thereby achieving the purpose of preservation. At present, the common buckle structure includes ear buckles on the box cover and clamps on the box body, and the ear buckles are buckled on the clamps. Since the fresh-keeping box is generally made of plastic materials, after long-term use, the ear buckles and clamps will be worn or aged, causing the box cover and the box body to be unable to be fastened, and the fresh-keeping box cannot be kept sealed, which loses the purpose of preservation. Summary of the invention

[0003] The utility model aims to overcome the disadvantages of the prior art and provide a rotary locking fresh-keeping box which adopts a rotary locking structure to lock the box cover and the box body firmly, has reliable sealing, good fresh-keeping effect and long service life.

[0004] The utility model discloses a technical scheme of a rotary locking fresh-keeping box, which comprises a box body and a box cover, a sealing structure is arranged between the box body and the box cover, a rotary locking structure is arranged between the box body and the box cover, the rotary locking structure comprises a rotary groove which is concave downwardly arranged on the box cover, a knob is arranged in the rotary groove, at least two locking pieces extending outwardly are arranged on the knob, a box edge which is higher than the box cover upwards is arranged at the mouth of the box body, at least two locking holes are arranged on the box edge, and the locking pieces cooperate with the locking holes.

[0005] The utility model is a rotary locking fresh-keeping box, the main features of which are that a downwardly concave rotary groove is arranged on the box cover, a knob is arranged in the rotary groove, at least two locking pieces extending outward are arranged on the knob, a box edge that is higher than the box cover is arranged at the mouth of the box body, and a lock hole is arranged on the box edge. When the box cover is closed, the knob is turned by hand, and the knob drives the locking pieces to rotate and enter the corresponding lock holes to lock the box cover and the box body; when the box cover is opened, the knob is turned in the opposite direction, and the locking pieces are withdrawn from the lock holes, which is simple and convenient to operate. Compared with the fresh-keeping boxes currently on the market, the rotary locking structure is adopted, and the locking pieces and the lock holes are not easy to wear, which has the advantages of simpler operation, more reliable freshness locking, and longer service life.

[0006] The utility model provides a rotary locking fresh-keeping box, wherein the box body and the box lid are rectangular or square, and there are two locking plates, which are distributed left and right or front and back in a straight line, and the number and distribution of the locking holes correspond to the locking plates. The box body and the box lid are rectangular or square, and there are four locking plates, which are distributed in a cross shape, and the number and distribution of the locking holes correspond to the locking plates. The box body and the box lid are rectangular, and the four locking plates include two symmetrical long locking plates and a short locking plate, and the number and distribution of the locking holes correspond to the locking plates. In actual products, there may be two, three, four or more locking plates, depending on the different shapes of the box body and the box lid. For example, the locking plates may be designed in a straight line or a cross shape, or may be designed as long locking plates and short locking plates, etc., depending on the actual situation. A positioning structure is arranged between the knob and the rotating groove, and the positioning structure includes a limiting convex ring arranged on the outer wall of the knob, three notches distributed in a triangular pattern are arranged on the limiting convex ring, and a corresponding limiting plate is arranged on the inner wall of the rotating groove, and the limiting plate cooperates with the limiting convex ring and the notch. When in use, the knob is clamped in the rotating groove through the cooperation of the limiting plate and the limiting convex ring; when loading and unloading, the limiting plate is matched with the notch to load or remove the knob. A positioning block is arranged on the bottom surface of the knob, and a locking positioning block, a locking positioning block and a disengagement positioning block are arranged on the bottom surface of the rotating groove, and an arrow is arranged on the surface of the knob, and a corresponding locking mark, a locking mark and a disengagement mark are arranged on the surface of the box cover. With the above marks, when the knob is turned, the arrow points to which mark, which represents the function of turning to the corresponding mark, which is convenient for subsequent operations. A plurality of convex ribs are arranged on the box cover, and the convex ribs are in contact with the bottom surface of the knob. With the convex ribs in contact with the bottom surface of the knob, the surface of the box cover is not worn and remains smooth. An exhaust hole is also arranged at the bottom of the rotating groove, and an exhaust block is arranged on the bottom surface of the knob. The exhaust block cooperates with the exhaust hole. When the knob is rotated to the locking mark position, the exhaust block is pressed on the exhaust hole, and the whole fresh-keeping box is in a sealed state, and the fresh-keeping effect is good. When the knob is rotated to the lock opening mark position, the exhaust block is separated from the exhaust hole, and the exhaust hole can be exhausted. An inclined surface is arranged on one side of the lock hole, and the inclined surface facilitates the locking piece to enter the lock hole. The outer wall of the box body is sleeved with an outer shell, and a hollow hole is arranged on the outer shell, which has a beautiful appearance. A foot is arranged at the bottom of the outer shell, and the foot is arranged, which is stable and convenient for two fresh-keeping boxes to be stacked together. The sealing structure includes an embedded groove arranged on the inner wall of the periphery of the mouth of the box body, a sealing ring with a triangular cross section is arranged in the embedded groove, and a sealing pressure ring is arranged under the box cover, and the sealing pressure ring cooperates with the sealing ring. When the cover is closed, the sealing pressure ring presses the sealing ring, and the sealing effect is better. The box cover is also provided with a fork groove and a knife groove, a fork is placed in the fork groove, and a knife is placed in the knife groove. The box cover can be used as a lunch box or a dining box, and is convenient to use with the fork and the knife. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 This is a three-dimensional schematic diagram of a rotary locking fresh-keeping box of the utility model;

[0008] Figure 2 It is a schematic diagram of the box cover of the utility model;

[0009] Figure 3 It is a schematic diagram of the knob of the utility model;

[0010] Figure 4 It is a cross-sectional schematic diagram of the fresh-keeping box of the utility model;

[0011] Figure 5 It is a three-dimensional schematic diagram of a rectangular fresh-keeping box of the utility model;

[0012] Figure 6 It is a three-dimensional schematic diagram of a square fresh-keeping box of the utility model;

[0013] Figure 7 The utility model is a three-dimensional schematic diagram of a fresh-keeping box with two locking pieces. DETAILED DESCRIPTION

[0014] The utility model relates to a rotary locking fresh-keeping box, such as Figure 1 — Figure 7 As shown, it includes a box body 1 and a box cover 2, a sealing structure is provided between the box body and the box cover, a rotary locking structure is provided between the box body 1 and the box cover 2, the rotary locking structure includes a downwardly concave rotation groove 5 provided on the box cover 2, a knob 6 is provided in the rotation groove 5, at least two outwardly extending locking pieces 7 are provided on the knob, a box edge 8 that is upwardly higher than the box cover 2 is provided at the mouth of the box body 1, at least two locking holes 9 are provided on the box edge 8, and the locking pieces 7 cooperate with the locking holes 9. The main features of this solution are that a downwardly concave rotating groove 5 is provided on the box cover 2, a knob 6 is in the rotating groove, at least two locking pieces 7 extending outward are provided on the knob 6, a box edge 8 that is higher than the box cover is provided at the mouth of the box body 1, and a locking hole 9 is provided on the box edge 8. When the box cover 2 is closed, the knob 6 is turned by hand, and the knob 6 drives the locking pieces 7 to rotate and enter the corresponding locking holes 9 to lock the box cover 2 and the box body 1; when the box cover 2 is opened, the knob is turned in the opposite direction, and the locking pieces 7 are withdrawn from the locking holes 9, which is simple and convenient to operate. Compared with the existing fresh-keeping boxes on the market, the rotating locking structure is adopted, and the locking pieces and the locking holes are not easy to wear, which has the advantages of simpler operation, more reliable fresh-keeping, and longer service life.

[0015] In actual products, there can be two, three, four or more locking plates, depending on the different shapes of the box body and the box cover. For example, the locking plates can be designed to be straight or cross-shaped, or they can be designed to be long or short, etc., depending on the actual situation. Embodiment 1

[0016] The box body 1 and the box cover 2 are rectangular or square, there are two locking plates 7, and the two locking plates 7 are distributed left and right or front and back in a straight line. The number and distribution of the locking holes 9 correspond to the locking plates 7. Embodiment 2

[0017] The box body 1 and the box cover 2 are rectangular or square, there are four locking plates 7 , and the four locking plates 7 are distributed in a cross shape. The number and distribution of the locking holes 9 correspond to the locking plates 7 . Embodiment 3

[0018] The box body 1 and the box cover 2 are rectangular, the four locking pieces 7 include two symmetrical long locking pieces 71 and a short locking piece 72 , and the number and distribution of the locking holes 9 correspond to those of the locking pieces 7 .

[0019] A positioning structure is provided between the knob 6 and the rotating groove 5, and the positioning structure includes a limiting convex ring 61 provided on the outer wall of the knob 6, three notches 62 distributed in a triangular pattern provided on the limiting convex ring, and a corresponding limiting plate 51 provided on the inner wall of the rotating groove 5, and the limiting plate 51 cooperates with the limiting convex ring 61 and the notches 62. When in use, the knob is clamped in the rotating groove by cooperating with the limiting convex ring; when loading and unloading, the limiting plate is aligned with the notches to load or remove the knob. A positioning block 65 is provided on the bottom surface of the knob 6, and a locking positioning block 55, a locking positioning block 56 and a disengaging positioning block 57 are provided on the bottom surface of the rotating groove 5, and an arrow 66 is provided on the surface of the knob 6, and corresponding locking marks 58, locking marks 59 and disengaging marks 54 are provided on the surface of the box cover 2. With the above marks, when the knob is turned, the mark to which the arrow points represents the function of turning to the corresponding mark, which is convenient for subsequent operations. The box cover 2 is provided with a plurality of convex ribs 33, which are in contact with the bottom surface of the knob 6. With the convex ribs in contact with the bottom surface of the knob, the surface of the box cover is not worn and remains smooth. The bottom of the rotating groove 5 is also provided with an exhaust hole 21, and the bottom surface of the knob 6 is provided with an exhaust pressure block 22, which cooperates with the exhaust hole 21. When the knob is rotated to the locking mark position, the exhaust pressure block is pressed on the exhaust hole, and the entire fresh-keeping box is in a sealed state, and the fresh-keeping effect is good. When the knob is rotated to the lock opening mark position, the exhaust pressure block is separated from the exhaust hole, and the exhaust hole can be exhausted. An inclined surface 91 is provided on one side of the lock hole 9, and the inclined surface facilitates the locking piece to enter the lock hole. The outer wall of the box body 1 is provided with a shell 10, and a hollow hole 11 is provided on the shell, which has a beautiful appearance. A foot 12 is provided at the bottom of the shell 10, and the foot is placed stably and convenient for two fresh-keeping boxes to be stacked together. The sealing structure includes an embedding groove 31 arranged on the inner wall of the periphery of the mouth of the box body 1, a sealing ring 3 with a triangular cross section is arranged in the embedding groove, and a sealing pressing ring 32 is arranged under the box cover 2. The sealing pressing ring 32 cooperates with the sealing ring 3. When the cover is closed, the sealing pressing ring presses the sealing ring, and the sealing effect is better. The box cover 2 is also provided with a fork groove 15 and a knife groove 16. A fork 17 is placed in the fork groove 15, and a knife 18 is placed in the knife groove 16. It can be used as a lunch box or a dining box. With a fork and a knife, it is convenient to use.

[0020] In the above technical solution, the box body 1 and the box cover 2 can be in various shapes such as rectangle, square, pentagon or hexagon, etc., which are all applicable to the rotary locking structure of the technical solution and are not limited by the drawings.

Claims

1. A rotary locking fresh-keeping box, comprising a box body (1) and a box cover (2), wherein a sealing structure is provided between the box body and the box cover, and wherein: A rotary locking structure is arranged between the box body (1) and the box cover (2), the rotary locking structure comprising a downwardly concave rotary groove (5) arranged on the box cover (2), a knob (6) arranged in the rotary groove (5), at least two outwardly extending locking pieces (7) arranged on the knob, a box edge (8) which is raised upwardly above the box cover (2) arranged at the mouth of the box body (1), at least two locking holes (9) arranged on the box edge (8), and the locking pieces (7) matching with the locking holes (9).

2. A rotary lock fresh-keeping box as claimed in claim 1, characterized in that The box body (1) and the box cover (2) are rectangular or square, there are two locking plates (7), the two locking plates (7) are arranged in a straight line on the left and right or on the front and back, and the number and distribution of the locking holes (9) correspond to the locking plates (7).

3. A rotary lock fresh-keeping box as claimed in claim 1, characterized in that The box body (1) and the box cover (2) are rectangular or square, there are four locking plates (7), the four locking plates (7) are distributed in a cross shape, and the number and distribution of the locking holes (9) correspond to the locking plates (7).

4. A rotary lock fresh-keeping box as claimed in claim 3, characterized in that The box body (1) and the box cover (2) are rectangular, the four locking pieces (7) include two symmetrical long locking pieces (71) and a short locking piece (72), and the number and distribution of the locking holes (9) correspond to those of the locking pieces (7).

5. The rotary locking fresh-keeping box according to claim 1, characterized in that A locking structure is provided between the knob (6) and the rotating groove (5), the locking structure comprising a limiting convex ring (61) provided on the outer wall of the knob (6), three notches (62) distributed in a triangular pattern provided on the limiting convex ring, and a corresponding limiting plate (51) provided on the inner wall of the rotating groove (5), the limiting plate (51) matching the limiting convex ring (61) and the notches (62).

6. A rotary lock fresh-keeping box as claimed in claim 1, characterized in that A positioning block (65) is arranged on the bottom surface of the knob (6), a locking positioning block (55), a locking and unlocking positioning block (56) and a disengagement positioning block (57) are arranged on the bottom surface of the rotating groove (5), an arrow (66) is arranged on the surface of the knob (6), and a corresponding locking mark (58), a locking and unlocking mark (59) and a disengagement mark (54) are arranged on the surface of the box cover (2).

7. The rotary lock fresh-keeping box according to claim 1, characterized in that A plurality of convex ribs (33) are provided on the box cover (2), and the convex ribs (33) are in contact with the bottom surface of the knob (6).

8. The rotary locking fresh-keeping box according to claim 1, characterized in that An exhaust hole (21) is also provided at the bottom of the rotating groove (5), and an exhaust pressure block (22) is provided on the bottom surface of the knob (6), and the exhaust pressure block (22) cooperates with the exhaust hole (21).

9. The rotary locking fresh-keeping box according to claim 1, characterized in that A slope (91) is provided on one side of the lock hole (9).

10. The rotary locking fresh-keeping box according to claim 1, characterized in that The outer wall of the box body (1) is sleeved with an outer shell (10), a hollow hole (11) is provided on the outer shell, and a foot (12) is provided at the bottom of the outer shell (10).

11. The rotary locking fresh-keeping box according to claim 1, characterized in that The sealing structure comprises an embedding groove (31) arranged on the inner wall of the peripheral edge of the mouth of the box body (1), a sealing ring (3) with a triangular cross section arranged in the embedding groove, and a sealing pressure ring (32) arranged under the box cover (2), the sealing pressure ring (32) matching with the sealing ring (3).

12. The rotary locking fresh-keeping box according to claim 1, characterized in that The box cover (2) is also provided with a fork groove (15) and a knife groove (16), wherein a fork (17) is placed in the fork groove (15) and a knife (18) is placed in the knife groove (16).

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