A rotary closure type preservation box

Abstract

A rotary locking fresh-keeping box, comprising 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 recess arranged downward on the box cover, a rotary knob arranged in the rotary recess, at least two locking pieces arranged outward on the rotary knob, a box edge of the box body arranged upward higher than the box cover, at least two locking holes arranged on the box edge, the locking pieces matched with the locking holes, a clamping structure arranged between the rotary knob and the rotary recess, the clamping structure comprises a limiting convex ring arranged on the outer wall of the rotary knob, three triangularly distributed notches arranged on the limiting convex ring, a corresponding limiting plate arranged on the inner wall of the rotary recess, the limiting plate matched with the limiting convex ring and the notches, a convex block arranged on the bottom surface of the rotary knob, and a locking positioning block, a locking opening positioning block and a disengaging positioning block arranged on the bottom surface of the rotary recess.

Description

TECHNICAL FIELD

[0001] The present application relates to a food storage container, in particular to a rotary locking type fresh-keeping box, and belongs to the field of storage containers. BACKGROUND

[0002] There are many types of fresh-keeping boxes on the market, and the basic structure is generally 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, the fastening structure is fastened, and the box body is kept sealed under the action of the sealing ring, so as to achieve the purpose of fresh-keeping. The common fastening structure at present includes setting an ear buckle on the box cover and setting a clamping rib on the box body, and the ear buckle is buckled on the clamping rib. Since the fresh-keeping box is generally made of plastic material, the ear buckle and the clamping rib will be worn or aged after long-term use, so that the box cover and the box body cannot be fastened, the fresh-keeping box cannot be kept sealed, and the purpose of fresh-keeping is lost. SUMMARY

[0003] The purpose of the present application is to overcome the shortcomings of the prior art, and to provide a rotary locking type fresh-keeping box which adopts a rotary locking structure to lock the box cover and the box body firmly and reliably, has good fresh-keeping effect, and has long service life.

[0004] The technical scheme of the rotary locking type fresh-keeping box of the present application is as follows: a box body and a box cover are provided, 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 includes a rotary recess which is concave downward and is arranged on the box cover, a rotary knob is arranged in the rotary recess, at least two locking pieces which extend outward are arranged on the rotary knob, a box edge which is higher than the box cover upward is arranged on the mouth of the box body, at least two locking holes are arranged on the box edge, the locking pieces are matched with the locking holes, a clamping structure is arranged between the rotary knob and the rotary recess, the clamping structure includes a limiting convex ring which is arranged on the outer wall of the rotary knob, three triangularly distributed notches are arranged on the limiting convex ring, a corresponding limiting plate is arranged on the inner wall of the rotary recess, the limiting plate is matched with the limiting convex ring and the notches, a protrusion is arranged on the bottom surface of the rotary knob, and a locking positioning block, a locking opening positioning block and a disengaging positioning block are arranged on the bottom surface of the rotary recess.

[0005] The rotary locking type fresh-keeping box of the present application is mainly characterized in that a downward concave rotary groove is arranged on the box cover, a rotary knob is arranged in the rotary groove, at least two outward extending locking pieces are arranged on the rotary knob, a box edge higher than the box cover is arranged on the mouth of the box body, and a locking hole is arranged on the box edge. When the box cover is closed, the rotary knob is rotated by hand, the rotary knob drives the locking pieces to rotate and enter into the corresponding locking holes, so as to lock the box cover and the box body. When the box cover is opened, the rotary knob is reversely rotated, and the locking pieces are withdrawn from the locking holes. The rotary knob is clamped in the rotary groove through the cooperation of the limiting plate and the limiting convex ring. When the rotary knob is installed or removed, the limiting plate must be corresponded with the notch, so as to install or remove the rotary knob in the rotary groove. During the rotation of the rotary knob, the convex block cooperates with the locking positioning block, the unlocking positioning block and the withdrawal positioning block. When the convex block cooperates with the locking positioning block, the box cover and the box body are locked. When the convex block cooperates with the unlocking positioning block, the box cover and the box body can be opened. When the convex block cooperates with the withdrawal positioning block, the rotary knob can be removed from the rotary groove. When the convex block rotates to any positioning block, a clear "answer" sound is emitted to remind the user. The operation is simple and convenient. Compared with the prior art, the rotary locking structure is adopted, the locking pieces and the locking hole are not easy to wear, the operation is simpler, the fresh-keeping is more reliable, and the service life is longer.

[0006] The application discloses a rotary locking fresh-keeping box, wherein the box body and the box cover are rectangular or square, the locking pieces are two, the two locking pieces are distributed in a linear type left and right or front and back, and the number and distribution of the locking holes are corresponding to the locking pieces. The box body and the box cover are rectangular or square, the locking pieces are four, the four locking pieces are distributed in a cross type, and the number and distribution of the locking holes are corresponding to the locking pieces. The box body and the box cover are rectangular, the four locking pieces include two symmetrical long locking pieces and short locking pieces, and the number and distribution of the locking holes are corresponding to the locking pieces. In the actual product, the locking pieces can be two, three, four or more, according to different shapes of the box body and the box cover, for example, the locking pieces are designed in a linear type or a cross type, and can also be designed as long locking pieces and short locking pieces, etc., according to the actual situation. The rotary knob is provided with an arrow, the box cover is provided with corresponding locking marks, locking opening marks and disengaging marks, with the above marks, when the rotary knob is rotated, the arrow points to which mark represents the function of rotating to the corresponding mark, thereby facilitating subsequent operation. The box cover is provided with a plurality of convex ribs, the convex ribs are in contact with the bottom surface of the rotary knob, with the contact between the convex ribs and the bottom surface of the rotary knob, the surface of the box cover is not abraded and is kept smooth. The bottom of the rotary groove is further provided with an exhaust hole, the bottom surface of the rotary knob is provided with an exhaust pressing block, the exhaust pressing block is matched with the exhaust hole, when the rotary knob is rotated to the locking mark position, the exhaust pressing block is pressed on the exhaust hole, the whole fresh-keeping box is in a sealed state, and the fresh-keeping effect is good. When the rotary knob is rotated to the locking opening mark position, the exhaust pressing block is separated from the exhaust hole, and the exhaust hole can exhaust. One side of the locking hole is provided with an inclined surface, with the inclined surface, the locking piece can enter the locking hole. The outer wall of the box body is sleeved with an outer shell, the outer shell is provided with a hollow hole, the outer shell is beautiful in appearance, the bottom of the outer shell is provided with a bottom foot, with the bottom foot, the fresh-keeping box is placed stably, and two fresh-keeping boxes can be stacked together. The sealing structure comprises an embedding groove arranged on the inner wall of the periphery of the mouth of the box body, a sealing ring with a triangular cross section arranged in the embedding groove, a sealing pressing ring arranged below the box cover, and the sealing pressing ring matched with the sealing ring. When the cover is closed, the sealing pressing ring presses the sealing ring, and the sealing effect is better. The box cover is further provided with a fork groove and a knife groove, a fork is arranged in the fork groove, and a knife is arranged in the knife groove, so that the fresh-keeping box can be used as a lunch box or a meal box, and the fork and the knife are convenient to use.

[0007] Another technical scheme of the rotary locking type preservation box is: comprising 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 on one side of the box body and the box cover, a flip cover mechanism is arranged on the other side of the box body and the box cover, the rotary locking structure comprises a downward recessed rotary groove arranged on the box cover, a rotary knob arranged in the rotary groove, and a lock piece arranged on the rotary knob, a box edge protruding upward is arranged on the box body corresponding to the lock piece, a corresponding lock hole is arranged on the box edge, the lock piece is matched with the lock hole, a clamping structure is arranged between the rotary knob and the rotary groove, the clamping structure comprises a limiting convex ring arranged on the outer wall of the rotary knob, three triangularly distributed notches are arranged on the limiting convex ring, a corresponding limiting plate is arranged on the inner wall of the rotary groove, and the limiting plate is matched with the limiting convex ring and the notches, a protruding block is arranged on the bottom surface of the rotary knob, and locking positioning blocks, unlocking positioning blocks and disengaging positioning blocks are arranged on the bottom surface of the rotary groove, the flip cover mechanism comprises a connecting hook arranged on the box body and a connecting seat with a shaft pin arranged on the box cover, and the shaft pin is clamped in the connecting hook.

[0008] An arrow is arranged on the rotary knob, corresponding locking, unlocking and disengaging marks are arranged on the box cover, and the arrow points to the mark corresponding to the function when the rotary knob is rotated, thereby facilitating subsequent operation. The bottom of the rotary groove is further provided with an exhaust hole, and the bottom surface of the rotary knob is provided with an exhaust pressing block matched with the exhaust hole. When the rotary knob is rotated to the locking mark position, the exhaust pressing block is pressed on the exhaust hole, the whole preservation box is in a sealed state, and the fresh-keeping effect is good. When the rotary knob is rotated to the unlocking mark position, the exhaust pressing block is separated from the exhaust hole, and the exhaust hole can exhaust. One side of the lock hole is provided with an inclined surface, and the inclined surface facilitates the entry of the lock piece into the lock hole. The outer wall of the box body is sleeved with an outer shell, the outer shell is provided with a hollow hole, the outer shell is beautiful in appearance, the bottom of the outer shell is provided with a bottom foot, the bottom foot is stable in placement, and the two preservation boxes can be stacked together. The sealing structure comprises an embedding groove arranged on the inner wall of the periphery of the mouth of the box body, a sealing ring with a triangular cross section arranged in the embedding groove, a sealing pressing ring arranged below the box cover, and the sealing pressing ring matched with the sealing ring. When the cover is closed, the sealing pressing ring presses the sealing ring, and the sealing effect is better.

[0009] The rotary locking type preservation box mainly comprises a downward recessed rotary groove arranged on the box cover, a rotary knob arranged in the rotary groove, and a lock piece arranged on the rotary knob. When the box cover is closed, the rotary knob is rotated by hand to drive the lock piece to rotate into the lock hole, and the box cover and the box body are locked. When the box cover is opened, the rotary knob is reversely rotated to unlock, and then the box cover is flipped by hand to make the shaft pin of the box cover rotate around the connecting hook, and the box cover is flipped up. The scheme is simple in operation and convenient to use, and compared with the existing preservation boxes on the market, the rotary locking structure is adopted, the lock piece and the lock hole are matched with almost zero wear, the locking is reliable, the service life is longer, the sealing performance is better, and the food fresh-keeping effect is more reliable. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is a perspective view of one embodiment of the rotary locking type storage box of the present application;

[0011] Figure 2 is a top view of the box cover of the present application;

[0012] Figure 3 is a top view of the knob of the present application;

[0013] Figure 4 is a cross-sectional view of the storage box of the present application;

[0014] Figure 5 is a perspective view of the rectangular storage box of the present application;

[0015] Figure 6 is a perspective view of the square storage box of the present application;

[0016] Figure 7 is a perspective view of the storage box with two locking pieces of the present application;

[0017] Figure 8 is a perspective view of another embodiment of the rotary locking type storage box of the present application;

[0018] Figure 9 is a cross-sectional view of another embodiment of the present application;

[0019] Figure 10 is a view of the box cover of another embodiment of the present application. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in conjunction with specific embodiments.

[0021] Embodiment 1: as shown in the above figures, the rotary locking type storage box of the present application comprises a box body, a box cover, a rotary knob and a locking piece. Figure 1 — Figure 7As shown, including the box body 1 and box cover 2, box cover and box body between the sealing structure, the box body 1 and box cover 2 between the setting of the rotating lock structure, the rotating lock structure includes the setting of the downward concave rotating groove 5 on the box cover 2, the rotating knob 6 is arranged in the rotating groove 5, the rotating knob is provided with at least two outward extending locking pieces 7, the mouth of the box body 1 is provided with the box edge 8 which is higher than the box cover 2, at least two locking holes 9 are arranged on the box edge 8, the locking piece 7 is matched with the locking hole 9, the rotating knob 6 and the rotating groove 5 are provided with the detent structure, the detent structure includes the limiting convex ring 61 arranged on the outer wall of the rotating knob 6, three triangular distribution notches 62 are arranged on the limiting convex ring, the corresponding limiting plate 51 is arranged on the inner wall of the rotating groove 5, the limiting plate 51 is matched with the limiting convex ring 61 and the notch 62, the bottom surface of the rotating knob 6 is provided with the convex block 65, the bottom surface of the rotating groove 5 is provided with the locking positioning block 55, the unlocking positioning block 56 and the disengaging positioning block 57. The main features of the scheme are that the downward concave rotating groove 5 is arranged on the box cover 2, the rotating knob 6 is arranged in the rotating groove, at least two outward extending locking pieces 7 are arranged on the rotating knob 6, the box edge 8 which is higher than the box cover is arranged on the mouth of the box body 1, the locking hole 9 is arranged on the box edge, when the box cover is closed, the rotating knob 6 is rotated by hand, the rotating knob 6 drives the locking piece 7 to rotate, enters into the corresponding locking hole 9 respectively, and the box cover 2 is locked with the box body 1; when the box cover is opened, the rotating knob 6 is reversely rotated, and the locking piece 7 exits from the locking hole 9. And through the cooperation of the limiting plate 51 and the limiting convex ring 61, the rotating knob 6 is clamped in the rotating groove 5, at the same time, when loading and unloading, the limiting plate 51 must be matched with the notch 62, so that the rotating knob 6 can be loaded or unloaded in the rotating groove 5. In the process of rotating the rotating knob, the convex block 65 is matched with the locking positioning block 55, the unlocking positioning block 56 and the disengaging positioning block 57 respectively, that is, when the convex block 65 is matched with the locking positioning block 55, the box cover and the box body are locked, when the convex block 65 is matched with the unlocking positioning block 56, the box cover and the box body can be opened, when the convex block 65 is matched with the disengaging positioning block 57, the rotating knob can be taken out from the rotating groove, and when the convex block is rotated to any one of the positioning blocks, a clear “answer” sound is emitted to remind the user, the operation is simple, and the use is convenient. Compared with the prior art, the rotating lock structure is adopted, the locking piece and the locking hole are matched, the locking piece and the locking hole are not easy to wear, the operation is simpler, the locking is more reliable, and the service life is longer.

[0022] In the actual product, the locking pieces can be two, three, four or more, according to different shapes of the box body and the box cover, for example, the locking pieces are designed as a one-word type or a cross type, and can also be designed as long locking pieces and short locking pieces, etc., according to the actual situation. For example, the box body 1 and the box cover 2 are rectangular or square, the locking pieces 7 are two, and the two locking pieces 7 are distributed in a one-word type left and right or front and back, and the number and distribution of the lock holes 9 correspond to the locking pieces 7. Or the box body 1 and the box cover 2 are rectangular or square, the locking pieces 7 are four, and the four locking pieces 7 are distributed in a cross type, and the number and distribution of the lock holes 9 correspond to the locking pieces 7. Or the box body 1 and the box cover 2 are rectangular, and the four locking pieces 7 include two symmetrical long locking pieces 71 and short locking pieces 72, and the number and distribution of the lock holes 9 correspond to the locking pieces 7.

[0023] The knob 6 is provided with an arrow 66, and the box cover 2 is provided with corresponding locking identification 58, lock opening identification 59 and disengagement identification 54. With the above identifications, when the knob is rotated, the arrow points to which identification, it represents the function of rotating to the corresponding identification, which is convenient for subsequent operation. The box cover 2 is provided with a plurality of convex ribs 33, and the convex ribs 33 are in contact with the bottom surface of the knob 6. With the contact between the convex ribs and the bottom surface of the knob, the surface of the box cover is not abraded and remains smooth. The bottom of the rotating groove 5 is further provided with an exhaust hole 21, and the bottom surface of the knob 6 is provided with an exhaust pressing block 22. The exhaust pressing block 22 cooperates with the exhaust hole 21. When the knob is rotated to the locking identification position, the exhaust pressing 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 identification position, the exhaust pressing block is separated from the exhaust hole, and the exhaust hole can exhaust. One side of the lock hole 9 is provided with an inclined surface 91. With the inclined surface, it is convenient for the locking piece to enter the lock hole. The outer wall of the box body 1 is sleeved with an outer shell 10, and the outer shell is provided with a hollow hole 11. The outer shell 10 is provided with a bottom foot 12. With the bottom foot, the two fresh-keeping boxes can be placed stably and stacked together. The sealing structure includes an embedded 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 arranged in the embedded groove, and a sealing pressing ring 32 arranged below 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 further provided with a fork slot 15 and a knife slot 16. The fork 17 is placed in the fork slot 15, and the knife 18 is placed in the knife slot 16. It can be used as a lunch box or a meal box. With the fork and the knife, it is convenient to use.

[0024] Example two: as Figure 8 — Figure 10As shown, a rotary locking fresh-keeping box comprises a box body 1 and a box cover 2, a sealing structure is arranged between the box body and the box cover, a rotary locking structure is arranged on one side of the box body 1 and the box cover 2, and a flip mechanism is arranged on the other side of the box body 1 and the box cover 2. The rotary locking structure comprises a rotary groove 5 arranged downward on the box cover 2, a knob 6 arranged in the rotary groove 5, and a locking piece 7 arranged on the knob, the mouth of the box body 1 is arranged with a box edge 8 which is arranged upward, and the box edge 8 is arranged with a corresponding locking hole 9, the locking piece 7 is matched with the locking hole 9, a clamping structure is arranged between the knob 6 and the rotary groove 5, the clamping structure comprises a limiting convex ring 61 arranged on the outer wall of the knob 6, three triangularly distributed notches 62 arranged on the limiting convex ring, a limiting plate 51 arranged on the inner wall of the rotary groove 5, the limiting plate 51 matched with the limiting convex ring 61 and the notches 62, a convex block 65 arranged on the bottom surface of the knob 6, and locking positioning blocks 55, locking opening positioning blocks 56 and disengaging positioning blocks 57 arranged on the bottom surface of the rotary groove 5, the flip mechanism comprises a connecting clamping hook 101 arranged on the box body 1 and a connecting seat 22 with a shaft pin 21 arranged on the box cover 2, and the shaft pin 21 is clamped in the connecting clamping hook 101.

[0025] An arrow 66 is arranged on the knob 6, and corresponding locking identification 58, locking opening identification 59 and disengaging identification 54 are arranged on the box cover 2, with the above-mentioned identifications, when the knob is rotated, the arrow points to which identification represents the function of rotating to the corresponding identification, which is convenient for subsequent operation. The bottom of the rotary groove 5 is further arranged with an exhaust hole 21, the bottom surface of the knob 6 is arranged with an exhaust pressing block 22, the exhaust pressing block 22 is matched with the exhaust hole 21, when the knob is rotated to the locking identification position, the exhaust pressing block is pressed on the exhaust hole, the whole fresh-keeping box is in a sealed state, and the fresh-keeping effect is good. When the knob is rotated to the locking opening identification position, the exhaust pressing block is separated from the exhaust hole, and the exhaust hole can exhaust. One side of the locking hole 9 is arranged with an inclined surface 91, with the inclined surface, the locking piece can enter the locking hole. The outer wall of the box body 1 is sleeved with an outer shell 10, the outer shell is arranged with a hollow hole 11, the appearance is beautiful, the bottom of the outer shell 10 is arranged with a bottom foot 12, with the bottom foot, the fresh-keeping box is placed stably, and two fresh-keeping boxes can be stacked together. The sealing structure comprises an embedding groove 31 arranged on the inner wall 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 pressing ring 32 arranged below the box cover 2, the sealing pressing ring 32 is matched with the sealing ring 3, when the cover is closed, the sealing pressing ring presses the sealing ring, and the sealing effect is better.

[0026] The main feature of the embodiment is that a downward recessed rotary groove 5 is arranged on the box cover 2, a knob 6 is arranged in the rotary groove, a locking piece 7 is arranged on the knob, when the box cover is closed, the knob 6 is turned by hand to drive the locking piece 7 to turn into a locking hole 9, and then the box cover 2 is locked with the box body 1; when the box cover is opened, the knob 6 is turned in the opposite direction to be unlocked, and then the box cover 2 is turned by hand, so that the shaft pin 21 on the box cover 2 is turned around the connecting hook 101, and then the box cover 2 is turned up. The scheme is simple to operate and convenient to use, and compared with the existing market preservation box, the rotary locking structure is adopted, the locking piece and the locking hole are almost zero wear, the locking is reliable, the service life is longer, the sealing performance is better, and the food preservation effect is more reliable.

[0027] In the above technical scheme, the box body 1 and the box cover 2 can be various shapes such as a rectangle, a square, a pentagon or a hexagon, and are not limited by the drawings.

Claims

1. A rotary closure fresh-keeping box, comprising a box body (1) and a box cover (2), and a sealing structure is arranged between the box body and the box cover, characterized in that: A rotating locking structure is provided between the box body (1) and the box cover (2). The rotating locking structure includes a downwardly recessed rotating groove (5) on the box cover (2), a knob (6) in the rotating groove (5), and at least two outwardly extending locking pieces (7) on the knob. The opening of the box body (1) is provided with a box edge (8) that extends upward beyond the box cover (2). At least two locking holes (9) are provided on the box edge (8). The locking pieces (7) cooperate with the locking holes (9). A locking mechanism is provided between the knob (6) and the rotating groove (5). The locking structure includes a limiting protrusion ring (61) on the outer wall of the knob (6), three notches (62) arranged in a triangular pattern on the limiting protrusion ring, a corresponding limiting plate (51) on the inner wall of the rotating groove (5), the limiting plate (51) cooperating with the limiting protrusion ring (61) and the notches (62), a protrusion (65) on the bottom surface of the knob (6), and a locking positioning block (55), a locking opening positioning block (56) and a disengaging positioning block (57) on the bottom surface of the rotating groove (5).

2. A rotary closure type container as claimed in claim 1, wherein The box body (1) and the box cover (2) are rectangular or square. There are two lock pieces (7), which are arranged in a straight line, either left and right or front and back. The number and distribution of the lock holes (9) correspond to the lock pieces (7).

3. A rotary closure fresh-keeping box according to claim 1, characterized in that The box body (1) and the box cover (2) are rectangular or square. There are four locking pieces (7), which are arranged in a cross shape. The number and distribution of the lock holes (9) correspond to the locking pieces (7).

4. A rotary closure fresh-keeping box according to claim 3, characterized in that The box body (1) and the lid (2) are rectangular. The four locking plates (7) include two symmetrical long locking plates (71) and a short locking plate (72). The number and distribution of the lock holes (9) correspond to the locking plates (7).

5. A rotary closure fresh-keeping box according to claim 1, characterized in that An arrow (66) is provided on the knob (6), and a locking mark (58), a locking mark (59), and a disengagement mark (54) are provided on the cover (2).

6. A rotary closure fresh-keeping box according to claim 1, characterized in that The lid (2) is provided with several raised ribs (33), which are in contact with the bottom surface of the knob (6).

7. A rotary closure fresh-keeping box according to claim 1, characterized in that 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).

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

9. A rotary closure fresh-keeping box according to claim 1, characterized in that The outer wall of the box (1) is fitted with an outer shell (10), the outer shell is provided with a perforation (11), and the bottom of the outer shell (10) is provided with a foot (12).

10. A rotary closure fresh-keeping box according to claim 1, characterized in that The sealing structure includes a groove (31) set on the inner wall of the periphery of the opening of the box body (1), a sealing ring (3) with a triangular cross section set in the groove, and a sealing pressure ring (32) set under the box cover (2), which cooperates with the sealing ring (3).

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

12. A rotary closure fresh-keeping box, comprising a box body (1) and a box cover (2), and a sealing structure is arranged between the box body and the box cover, characterized in that: The box body (1) and the side of the box cover (2) are provided with a rotary locking structure, and the other side of the box body (1) and the box cover (2) is provided with a flip mechanism, the rotary locking structure comprises a downward recessed rotary groove (5) provided on the box cover (2), a rotary knob (6) provided in the rotary groove (5), a locking piece (7) provided on the rotary knob, a box edge (8) provided on the box body (1) and corresponding to the locking piece (7) and protruding upward, a corresponding locking hole (9) provided on the box edge (8), the locking piece (7) and the locking hole (9) are matched, a clamping structure is provided between the rotary knob (6) and the rotary groove (5), the clamping structure comprises a limiting convex ring (61) provided on the outer wall of the rotary knob (6), three triangularly distributed notches (62) provided on the limiting convex ring, a corresponding limiting plate (51) provided on the inner wall of the rotary groove (5), the limiting plate (51) and the limiting convex ring (61) and the notches (62) are matched, a protruding block (65) is provided on the bottom surface of the rotary knob (6), a locking positioning block (55), a locking opening positioning block (56) and a disengaging positioning block (57) are provided on the bottom surface of the rotary groove (5), the flip mechanism comprises a connecting hook (101) provided on the box body (1), a connecting seat (22) provided on the box cover (2) and provided with a shaft pin (21), and the shaft pin (21) is clamped in the connecting hook (101).

13. A rotary closure fresh-keeping box according to claim 12, characterized in that An arrow (66) is provided on the rotary knob (6), and a locking mark (58), a locking opening mark (59) and a disengaging mark (54) are provided on the box cover (2).

14. A rotary closure fresh-keeping box according to claim 12, characterized in that The bottom of the rotary groove (5) is further provided with an exhaust hole (21), and the bottom surface of the rotary knob (6) is provided with an exhaust pressing block (22), which is matched with the exhaust hole (21).

15. A rotary closure fresh-keeping box according to claim 12, characterized in that An inclined surface (91) is provided on one side of the locking hole (9).

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

17. A rotary closure fresh-keeping box according to claim 12, characterized in that The sealing structure comprises an embedding groove (31) provided on the inner wall of the periphery of the mouth of the box body (1), a sealing ring (3) with a triangular cross section provided in the embedding groove, a sealing pressing ring (32) provided below the box cover (2), and the sealing pressing ring (32) and the sealing ring (3) are matched.

Images