CN219361918U - Fresh-locking packaging cover - Google Patents

Abstract

The utility model relates to a fresh-locking packaging cover, which comprises an upper cover and a lower cover, wherein the upper cover is arranged at the top opening of the lower cover, and a sealing film is arranged in the lower cover so as to form a storage cavity by surrounding the upper cover, the lower cover and the sealing film; a cutter is arranged in the storage cavity; the cutter is provided with a driving block, the inner wall of the top of the upper cover is provided with a driving blade extending downwards, a driving slideway is formed along the side edge of the driving blade, and the upper cover and the cutter are respectively provided with a first positioning part and a second positioning part; the upper cover and the lower cover are in an assembled state, and the first positioning part and the second positioning part are positioned at preset relative positions; the upper cover is in a screwing up state, the driving slide rail is abutted with the driving block at the corresponding position, and the driving blade pushes the driving block to rotate along the driving slide rail to move downwards so as to push the cutter to rotate downwards and cut the sealing film. The utility model solves the technical problem that the assembly of all assembly parts is not in place easily when the fresh-locking packaging cover is assembled.

Description

Fresh-locking packaging cover

Technical Field

The utility model relates to the field of beverage containers, in particular to a fresh-locking packaging cover.

Background

At present, a cover with a single sealed storage space appears in the beverage market, and the use principle is as follows: the storage and fresh-keeping of the basic raw materials (such as solid powder, concentrated solution, medicines or probiotics) are realized by filling the basic raw materials into a cover with an independent closed cavity, and purified water or basic solution for mixing with or dissolving the basic raw materials is filled in a container which is arranged below the cover and matched with the cover. When the drink is taken, the closed cavity is opened through the switch mechanism arranged on the cover, the basic raw materials are put into the container below, and the drink can be directly taken after being fully and evenly shaken.

The beverage in the form can be added with no or a small amount of food additives such as preservative, ensures the mouthfeel and quality efficacy within the shelf life, and is beneficial to the health of drinkers. In addition, in the process of opening the cover and completing the whole feeding and drinking through the switch mechanism, the visual sense and the achievement sense of finishing the processed beverage in person can be provided for consumers, and the use experience of the consumers is greatly improved.

However, the existing covers with such functions are usually in the form of combined covers, but the existing covers lack positioning structures, so that the situation that the covers cannot be assembled in place often occurs after the covers are combined, workers are required to perform quality inspection again, the labor intensity of the workers is increased, the quality problem of products is caused, and poor experience is brought to consumers.

In order to solve the above problems, the present inventors have proposed a fresh-locking packaging cover by years of experience and practice in related industries, so as to overcome the drawbacks of the prior art.

Disclosure of Invention

The utility model aims to provide a fresh-locking packaging cover, which simplifies the opening step of a bottle cover with an independent sealed storage space, and when the bottle cover is opened, a cutter in the bottle cover can move downwards under the driving and guiding actions of an upper cover and a lower cover only by screwing the upper cover, so that the cutting of a sealing film is finished, the powder falling is realized, the operation is simple and convenient, and the use experience of consumers is greatly improved.

The utility model further aims to provide the fresh-locking packaging cover, wherein the first positioning part and the second positioning part can be matched to realize positioning of the assembly position in the assembly state of the upper cover and the lower cover, so that the fresh-locking packaging cover is assembled in place, and the product quality is effectively ensured.

The object of the utility model can be achieved by the following scheme:

the utility model provides a fresh-locking packaging cover, which comprises an upper cover and a lower cover, wherein the upper cover is screwed on the top opening of the lower cover, and a sealing film is arranged in the lower cover so as to form a storage cavity by surrounding the upper cover, the lower cover and the sealing film; a cutter capable of rotating and moving downwards is arranged in the storage cavity, and cutting teeth are arranged on the cutter; at least one driving block is arranged on the cutter, at least one driving blade extending downwards is arranged on the inner wall of the top of the upper cover, a driving slideway is formed along the side edge of the driving blade, and a first positioning part and a second positioning part are respectively arranged on the upper cover and the cutter;

The upper cover and the lower cover are in an assembled state, and the first positioning part and the second positioning part are positioned at preset relative positions;

the upper cover is in a screwing up state, the driving slide rail is abutted with the driving block at a corresponding position, and the driving blade pushes the driving block to rotate and move downwards along the driving slide rail so as to push the cutter to rotate and move downwards and cut the sealing film.

In a preferred embodiment of the present utility model, the first positioning portion is located at a preset position relative to the second positioning portion or the second positioning portion, the upper cover and the lower cover are assembled, and the driving block is located at a root of the driving slideway.

In a preferred embodiment of the present utility model, the root of the driving slideway is a position where the driving slideway is connected with the top inner wall of the upper cover, or a position on the driving slideway, which is close to the position where the driving slideway is connected with the top inner wall of the upper cover.

In a preferred embodiment of the present utility model, the cutter is a cylindrical structure with two ends open, the driving block is located on the top inner wall of the cutter, and the cutting teeth are located at the bottom of the cutter and are distributed along the circumferential direction of the cutter.

In a preferred embodiment of the present utility model, a positioning member is disposed on an inner wall of a top portion of the upper cover to form the first positioning portion; a notch is reserved on the cutting tooth to form the second positioning part, the upper cover and the lower cover are in an assembled state, and the positioning piece and the notch are located at the preset position.

In a preferred embodiment of the present utility model, the preset position is that a projection of the positioning element on the top inner wall of the upper cover and a projection of the opening on the top inner wall of the upper cover are located at two sides of a center point of the upper cover, respectively, and a line connecting the projection of the positioning element on the top inner wall of the upper cover and the projection of the opening on the top inner wall of the upper cover passes through the center point of the upper cover.

In a preferred embodiment of the present utility model, the projection of the driving blades on the top inner wall of the upper cover is arc-shaped, the number of the driving blades is a plurality of, and each driving blade is arranged at intervals along the circumferential direction of the upper cover;

the number of the driving blocks is the same as that of the driving blades, and each driving block is opposite to the corresponding driving blade in the vertical direction.

In a preferred embodiment of the present utility model, a first stop boss and a second stop boss are respectively disposed on an inner wall of the upper cover and an outer wall of the lower cover, and in an assembled state of the upper cover and the lower cover, the upper cover is screwed down to a preset position, and the first stop boss abuts against the second stop boss.

In a preferred embodiment of the present utility model, a first internal thread is provided on an inner wall of the upper cover, a first external thread is provided on an outer wall of the lower cover, and the upper cover and the lower cover are connected with each other in a matching manner through the first internal thread and the first external thread;

the first stop boss is located below the first internal thread, and the second stop boss is located below the first external thread.

In a preferred embodiment of the present utility model, a guiding mechanism for guiding the downward movement of the cutter is disposed between the cutter and the lower cover, the guiding mechanism includes a guiding groove disposed on an outer wall of the cutter and a guiding post disposed on an inner wall of the lower cover, and the guiding post is slidably embedded in the guiding groove.

In a preferred embodiment of the present utility model, the guide groove includes a guide channel, and the guide channel is sequentially provided with a first horizontal initial section, a first inclined ascending section and a horizontal ending section, which are communicated with each other from bottom to top;

The guide posts comprise first guide posts which are slidably arranged in the guide channels, the upper cover is in a screwing up state, and the first guide posts sequentially pass through the first horizontal initial section and the first inclined ascending section to slide to the horizontal final section.

In a preferred embodiment of the present utility model, the guide groove includes an auxiliary channel, the auxiliary channel is sequentially provided with a second horizontal initial section and a second inclined ascending section, which are communicated from bottom to top, and the top of the second inclined ascending section is provided with a seal;

the guide posts comprise second guide posts which can be slidably arranged in the auxiliary channel, the upper cover is in a screwing up state, and the second guide posts sequentially pass through the second horizontal initial section and the second inclined ascending section to slide to a sealing position.

In a preferred embodiment of the present utility model, a necking structure bent towards the second obliquely upward rising section is disposed between the second horizontal initial section and the second obliquely upward rising section.

In a preferred embodiment of the present utility model, the cutter is provided with at least one flash hole communicating the outside of the cutter with the inside thereof.

In a preferred embodiment of the present utility model, a first sealing member is disposed on an inner wall of a top portion of the upper cover, the first sealing member is an annular structure disposed along a circumferential direction of the upper cover, and in an assembled state of the upper cover and the lower cover, a top portion of the lower cover is tightly adhered to the first sealing member and presses the first sealing member to deform.

In a preferred embodiment of the present utility model, an annular extension portion extending downward of the first sealing member is disposed at an annular outer edge of the first sealing member along a circumferential direction of the first sealing member, a top portion of the extension portion is connected to the annular outer edge of the first sealing member, an outer wall of the extension portion is attached to an inner wall of the upper cover, and in an assembled state of the upper cover and the lower cover, the inner wall of the extension portion is attached to an outer wall of a top portion of the lower cover.

In a preferred embodiment of the present utility model, a second sealing member is disposed on an inner wall of a top portion of the upper cover, the second sealing member is an annular structure disposed along a circumferential direction of the upper cover, the second sealing member is located inside the first sealing member, and in an assembled state of the upper cover and the lower cover, the inner wall of the upper portion of the lower cover is tightly attached to the second sealing member.

In a preferred embodiment of the utility model, the fresh-locking packaging cover further comprises an anti-theft ring, the anti-theft ring is arranged below the upper cover, the top of the anti-theft ring is connected with the upper cover, the anti-theft ring is sleeved on the outer side of the lower cover, and the bottom of the anti-theft ring is connected with the lower cover.

In a preferred embodiment of the present utility model, a third positioning portion and a fourth positioning portion are respectively disposed on the anti-theft ring and the lower cover, and the third positioning portion and the fourth positioning portion are vertically located on the same line when the upper cover and the lower cover are in an assembled state.

From the above, the fresh-locking packaging cover has the characteristics and advantages that:

the material storage cavity is formed by surrounding the upper cover, the lower cover and the sealing film, materials can be filled in the material storage cavity, the upper cover is only required to be screwed to enable the sealing film to move upwards in the opening process of the sealing film, the cutter can be enabled to move downwards in the circumferential direction through the matching of the driving block and the driving blade, the opening action of the sealing film is completed, the materials in the material storage cavity can fall into the packaging container from the bottom opening of the lower cover, the throwing of the materials can be completed only by screwing the upper cover, the opening step of the sealing film is greatly simplified when the cover body structure is improved, the operation is simple and convenient, the use experience of consumers is improved, and the sealing film packaging container is suitable for popularization and use.

Because the first positioning part and the second positioning part are respectively arranged on the upper cover and the cutter, when the upper cover and the lower cover are in an assembly state, whether the upper cover and the lower cover are assembled in place can be judged through whether the relative positions between the first positioning part and the second positioning part are in the preset relative positions or not, the repeated inspection of workers is not needed, the labor intensity is reduced, and the product quality is effectively ensured.

Drawings

The following drawings are only for purposes of illustration and explanation of the present utility model and are not intended to limit the scope of the utility model. Wherein:

fig. 1: the front view of the fresh-locking packaging cover in an assembled state is provided.

Fig. 2: the front cross-section view of the fresh-locking packaging cover in an assembled state is provided.

Fig. 3: the front view of the fresh-locking packaging cover in a disassembled state is provided.

Fig. 4: the fresh packaging cover is locked in the utility model and is in the bottom view of the assembled state.

Fig. 5: the upper cover of the fresh packaging cover is a front cross-sectional view of the upper cover.

Fig. 6: is a bottom view of the upper cover of the fresh packaging cover.

Fig. 7: a front view of the cutter in the fresh-packaging cover of the lock of the utility model.

Fig. 8: a top view of the cutter in the fresh packaging cover is locked.

Fig. 9: the front cross section of the lower cover in the fresh-packaging cover is locked by the utility model.

Fig. 10: is a bottom view of the lower cover in the fresh-packaging cover.

Fig. 11: a front cross-sectional view of the first seal in the locked fresh-packaging lid of the present utility model.

Fig. 12: a bottom view of the first seal in the fresh-packaging lid of the present utility model is locked.

Fig. 13: the front cross section view of the fresh packaging cover is provided in the opening state of the sealing film.

1. An upper cover; 101. A driving blade;

1011. driving a slideway; 102. A first stop boss;

103. a first internal thread;

2. a lower cover; 201. A storage chamber;

202. a second stop boss; 203. A first external thread;

204. a second internal thread; 205. A guide post;

2051. a first guide post; 2052. A second guide post;

206. a fourth positioning portion;

3. a cutter; 301. A driving block;

302. cutting teeth; 303. A second positioning portion;

304. a guide groove; 3041. A guide channel;

30411. a first horizontal initiation section; 30112, a first ramp-up section;

30413. A horizontal termination section; 3042. An auxiliary channel;

30421. a second horizontal initiation section; 30422, a second ramp-up section;

30423. a necking structure; 305. A flash hole;

4. sealing film;

5. a first positioning portion;

6. an anti-theft ring; 601. A third positioning portion;

7. a first seal; 701. An extension;

8. and a second seal.

Detailed Description

For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.

Words such as up, down, top, bottom, etc. having indication directivity in the present utility model are all based on the up, down, top, bottom, etc. directions in fig. 1, and are described herein.

Embodiment one

As shown in fig. 1 to 13, the utility model provides a fresh-locking packaging cover, which comprises an upper cover 1 and a lower cover 2 capable of being connected with a top opening of a packaging container, wherein the upper cover 1 is a vertically arranged cylindrical structure with a top seal and a bottom opening, and the lower cover 2 is a vertically arranged cylindrical structure with a top opening and a bottom opening. Wherein: the upper cover 1 is screwed to cover the top opening of the lower cover 2, and a sealing film 4 is arranged in the lower cover 2 and positioned at the bottom opening of the lower cover to form a storage chamber 201 for containing materials (solid materials or liquid materials) by surrounding among the upper cover 1, the lower cover 2 and the sealing film 4; a cutter 3 capable of rotating and moving downwards is arranged in the storage chamber 201, and cutting teeth 302 are arranged on the cutter 3; the cutter 3 is further provided with at least one driving block 301, at least one driving blade 101 extending downwards is arranged on the inner wall of the top of the upper cover 1 and positioned on the inner side of the storage chamber 201, the cross section of the driving blade 101 gradually decreases from the top close to the upper cover 1 to the top far away from the upper cover 1, a driving slideway 1011 is formed along the side edge of the driving blade 101 (the driving slideway 1011 is in an arc shape or an inclined straight line shape), the upper cover 1 is provided with a first positioning part 5, and the cutter 3 is provided with a second positioning part 303; when the first positioning portion 5 is located at a preset relative position with respect to the second positioning portion 303 or the second positioning portion 303 is located at a preset relative position with respect to the first positioning portion 5 in the assembled state of the upper cover 1 and the lower cover 2, it can be determined that the upper cover 1 and the lower cover 2 are assembled in place; when the upper cover 1 is in a screwing up state (i.e., the upper cover 1 is screwed counterclockwise), the driving slide 1011 is abutted against the driving block 301 at the corresponding position, and the driving blade 101 pushes the driving block 301 to rotate and move down along the driving slide 1011 to push the cutter 3 to rotate and move down and cut the sealing film 4 along the edge of the sealing film 4.

According to the utility model, the upper cover 1, the lower cover 2 and the sealing film 4 are encircled to form the storage cavity 201, materials can be filled in the storage cavity 201, the cutter 3 capable of moving up and down is arranged in the storage cavity 201, in the process of opening the sealing film 4, only the upper cover 1 is required to be screwed to move up, the cutter 3 can be moved downwards while rotating along the circumferential direction through the matching of the driving block 301 and the driving blade 101 until the cutting teeth 302 at the bottom of the cutter 3 are abutted against the sealing film 4 and cut the sealing film 4 along the edge of the sealing film 4, the opening action of the sealing film is completed, the materials in the storage cavity 201 can fall into the packaging container from the bottom opening of the lower cover 2, the material throwing can be completed only by screwing the upper cover 1, the opening step of the sealing film is greatly simplified while the structure of the cover body is improved, the operation is simple and convenient, the use experience of consumers is improved, and the sealing film packaging container is suitable for popularization and use. In addition, since the first positioning part 5 and the second positioning part 303 are respectively arranged on the upper cover 1 and the cutter 3, when the upper cover 1 and the lower cover 2 are in an assembled state, whether the upper cover 1 and the lower cover 2 are assembled in place can be judged by judging whether the relative positions between the first positioning part 5 and the second positioning part 303 are in the preset relative positions or not, the repeated inspection of workers is not needed, the labor intensity is reduced, and the product quality is effectively ensured.

Further, the sealing film 4 may be made of, but not limited to, aluminum foil.

Further, the material may be, but is not limited to, a solid powder, a concentrate, a medicament, or a probiotic.

Further, as shown in fig. 2 and 13, the storage chamber 201 is a vertical straight cylindrical cavity, and the diameter of the cutter 3 is smaller than that of the storage chamber 201, so that the cutter 3 cannot be subjected to resistance of the inner wall of the storage chamber 201 in the up-and-down movement process, and the opening operation of the sealing film 4 is facilitated.

In an alternative embodiment of the present utility model, when the first positioning portion 5 is located at a preset position with respect to the second positioning portion 303 or the second positioning portion 303 is located at a preset position with respect to the first positioning portion 5, at this time, the upper cover 1 and the lower cover 2 are just in the assembled state, and the driving block 301 is located at the root of the driving slideway 1011.

Further, the root of the driving slideway 1011 may be the position where the driving slideway 1011 is connected with the top inner wall of the upper cover 1. Of course, the root of the driving slideway 1011 may be a position on the driving slideway 1011, which is close to the connection of the driving slideway 1011 and the top inner wall of the upper cover 1. After the assembly of the upper cover 1 and the lower cover 2 is completed, a worker can confirm whether the upper cover 1 and the lower cover 2 are assembled in place or not by directly checking the relative position relationship between the first positioning part 5 and the second positioning part 303, and the screwing test is not required to be manually performed, so that the efficiency is improved, and the labor intensity of the worker is reduced.

In an alternative embodiment of the present utility model, as shown in fig. 2, 3, 7 and 8, the cutter 3 is a cylindrical structure with two ends open, and the driving block 301 is located on the top inner wall of the cutter 3, and the cutting teeth 302 are located at the bottom of the cutter 3 and are arranged along the circumferential direction of the cutter 3.

Further, as shown in fig. 4 and 6, a positioning member is provided on the top inner wall of the upper cover 1 to form a first positioning portion 5; the cutting teeth 302 are provided with a notch to form a second positioning portion 303, and when the upper cover 1 and the lower cover 2 are in an assembled state, the positioning member and the notch are located at a preset position. Of course, the second positioning portion 303 may be provided on the cutter 3 to perform a marking function, and the second positioning portion 303 may cooperate with the first positioning portion 5 to perform a function of positioning the positions of the upper cover 1 and the lower cover 2. In the utility model, the notch is selected as the second positioning part 303, so that not only can the notch play a role in marking, but also a part of connecting position is still remained between the edge of the sealing film 4 and the lower cover 2 after the cutting teeth 302 are positioned from the initial cutting position to the final cutting position in the process of cutting the sealing film 4, the sealing film 4 is turned down under the action of downward movement of the cutter 3 and the gravity action of materials, the materials smoothly fall into the bottle body below through the bottom opening of the lower cover 2, the mixing of the materials and the liquid in the bottle body is completed, and the sealing film 4 cannot fall off.

Specifically, the preset positions are the projection of the positioning element on the top inner wall of the upper cover 1 (the projection of the positioning element on the top inner wall of the upper cover 1 is in an L shape) and the projection of the notch on the top inner wall of the upper cover 1 are respectively located at two sides of the center point of the upper cover 1, and the connecting line of the projection of the positioning element on the top inner wall of the upper cover 1 and the projection of the notch on the top inner wall of the upper cover 1 passes through the center point of the upper cover 1. When the upper cover 1 and the lower cover 2 are assembled, the upper cover 1 can be screwed down to the maximum position, and the relative position between the positioning piece and the notch reaches the preset position, so that the upper cover 1 and the lower cover 2 can be judged to be assembled in place.

In an alternative embodiment of the present utility model, as shown in fig. 2, 5, 6, 8 and 13, the projection of the driving blades 101 on the top inner wall of the upper cover 1 is arc-shaped, the number of the driving blades 101 is plural, and each driving blade 101 is uniformly arranged at intervals along the circumferential direction of the upper cover 1; the number of the driving blocks 301 is the same as and greater than 3 as the number of the driving blades 101, and each driving block 301 is opposed to the position of the driving blade 101 in the vertical direction at the corresponding position, respectively.

In an alternative embodiment of the present utility model, as shown in fig. 3 and 4, a first stop boss 102 is provided on an inner wall of the upper cover 1, and a second stop boss 202 is provided on an outer wall of the lower cover 2, and when the upper cover 1 and the lower cover 2 are assembled, the first stop boss 102 abuts against the second stop boss 202, so that the first stop boss 102 and the second stop boss 202 cooperate to realize accurate assembly of the upper cover 1 and the lower cover 2. When the upper cover 1 is screwed to the position where the first stop boss 102 abuts against the second stop boss 202, the first positioning portion 5 and the second positioning portion 303 are just located at the preset relative positions, so that the upper cover 1 and the lower cover 2 are assembled in place.

Further, as shown in fig. 2, 3, 5, 9 and 13, a first internal thread 103 is provided on the inner wall of the upper cover 1, a first external thread 203 is provided on the outer wall of the lower cover 2, and the upper cover 1 and the lower cover 2 are connected with the first external thread 203 in a matching manner through the first internal thread 103; a second internal thread 204 is provided on the lower inner wall of the lower cap 2. Wherein the first stop boss 102 is located below the first internal thread 103 and the second stop boss 202 is located below the first external thread 203. Of course, the first stop boss 102 may also be disposed at the end of the first internal thread 103, the second stop boss 202 may be disposed at the end of the first external thread 203, and after the upper cover 1 is screwed in place, the first stop boss 102 and the second stop boss 202 may cooperate to perform the functions of limiting and stopping, and the specific positions of the first stop boss 102 and the second stop boss 202 are not limited herein.

In an alternative embodiment of the present utility model, as shown in fig. 3, 7, 8 and 9, a guide mechanism for guiding the downward displacement of the cutter 3 is provided between the cutter 3 and the lower cover 2, and the guide mechanism includes a guide groove 304 provided on the outer wall of the cutter 3 and a guide post 205 provided on the inner wall of the lower cover 2, and the guide post 205 is slidably embedded in the guide groove 304. The guide post 205 cooperates with the guide groove 304 to guide the downward rotation of the cutter 3.

Further, the number of the guide grooves 304 is plural, the plurality of guide grooves 304 are distributed along the circumferential direction of the cutter 3 at intervals, the number of the guide posts 205 is plural, the plurality of guide posts 205 are distributed along the circumferential direction of the lower cover 2 at intervals, and the setting positions of the plurality of guide posts 205 are opposite to the setting positions of the plurality of guide grooves 304 respectively, so that in the assembled state, different guide posts 205 can be slidably embedded in the corresponding guide grooves 304, and the stability of the guide mechanism can be provided by matching the plurality of guide grooves 304 with the plurality of guide posts 205, so that the cutter 3 can stably move downwards in the process of opening the upper cover 1.

In an alternative embodiment of the present utility model, as shown in fig. 7, 9 and 10, the guide groove 304 includes a guide channel 3041, and the guide channel 3041 is a first horizontal start section 3041, a first obliquely upward section 30112 and a horizontal end section 3043 which are communicated in this order from bottom to top; the guide column 205 includes a first guide column 2051, the first guide column 2051 is slidably disposed in the guide channel 3041, when the upper cover 1 is in a screwing up state, the first guide column 2051 first enters the first horizontal start section 3041 to slide, slides into the first obliquely upward section 30112 under the guidance of the first horizontal start section 3041, and the cutter 3 synchronously rotates to move downward and cut the sealing film 4 in the sliding process of the first obliquely upward section 30112, and when the first guide column 2051 passes through the first obliquely upward section 30112 and enters the horizontal end section 3043, the cutter 3 completes cutting of the sealing film 4, so that the cutter 3 moves downward under the rotation through the guide channel 3041 to play a guiding role.

In an alternative embodiment of the present utility model, as shown in fig. 7, 9 and 10, the guide groove 304 includes an auxiliary channel 3042, where the auxiliary channel 3042 is a second horizontal initial section 3021 and a second obliquely upward section 30122 which are sequentially communicated from bottom to top, and the top of the second obliquely upward section 30122 is a seal; the guide column 205 includes a second guide column 2052, the second guide column 2052 is slidably disposed in the auxiliary channel 3042, and when the upper cover 1 is in a screwing-up state, the second guide column 2052 slides to the sealing position sequentially through the second horizontal start section 3021 and the second obliquely-upward section 30122. When the first guide column 2051 slides in the guide channel 3041, the second guide column 2052 slides synchronously in the auxiliary channel 3042, and the auxiliary channel 3042 plays a role in stopping the downward rotation of the cutter 3, and meanwhile, the guide channel 3041 can be matched to play a role in auxiliary guide, so that the stability of the downward rotation of the cutter 3 is further improved.

Further, as shown in fig. 7, a necking structure bent toward the second obliquely upward section 30122 is provided between the second horizontal start section 3021 and the second obliquely upward section 30122, and by providing the necking structure, the second guide column 2052 entering the second obliquely upward section 30122 can be stopped. Specifically, the necking structure is a protrusion structure provided on the inner wall of the auxiliary channel 3042 and extending toward the inner side of the auxiliary channel 3042, and the protrusion structure is bent toward the second obliquely upward section 30122.

In an alternative embodiment of the present utility model, as shown in fig. 2 and 6, at least one burr hole 305 is provided in the cutter 3 to communicate the outside of the cutter 3 with the inside thereof. The flash hole 305 communicates the outside and the inboard side of cutterbar 3, under the circumstances that there is the material that leaks outward to cause the jam between the outer wall of cutterbar 3 and the inner wall of lower cover 2, adopt rocking or twist lock bright packing lid's mode, can make the material of jam shift to the inboard of cutterbar 3 through flash hole 305, effectively solve the problem that the material blockked up cutterbar 3, guarantee the normal downmovement of cutterbar 3 and to the cutting of sealing membrane 4, guarantee the smooth opening of sealing membrane 4, promote consumer's use experience. The flash hole 305 in the present utility model may be a through hole with any shape, and the specific shape thereof is not limited herein, and it can meet the requirement of passing through the material.

In an alternative embodiment of the present utility model, as shown in fig. 2, 5, and 11 to 13, a first sealing member 7 is provided on the top inner wall of the upper cover 1, the first sealing member 7 is a circular ring-shaped structure provided along the circumferential direction of the upper cover 1, and when the upper cover 1 and the lower cover 2 are in an assembled state, the top of the lower cover 2 is closely adhered to the first sealing member 7 and presses the first sealing member 7 to deform. The top opening of the lower cover 2 is sealed (i.e., top sealed) by a first seal 7. Because the first sealing element 7 is additionally arranged in the upper cover 1, the contact area of the sealing position between the top opening of the lower cover 2 and the upper cover 1 is increased, and the stable sealing property between the top opening of the lower cover 2 and the upper cover 1 is ensured, so that the good sealing effect of the upper cover 1 and the lower cover 2 is ensured, and the storage life of a product is effectively prolonged. The first sealing element 7 and the upper cover 1 can adopt a double-color injection molding structure, so that an ultra-strong sealing effect is achieved.

Further, as shown in fig. 2, 5, 11 and 13, an annular extension part 701 extending downward of the first sealing member 7 is provided at the annular outer edge of the first sealing member 7 along the circumferential direction of the first sealing member 7, the top of the extension part 701 is connected with the annular outer edge of the first sealing member 7, and after the first sealing member 7 is provided inside the upper cover 1, the outer wall of the extension part 701 is attached to the inner wall of the upper cover 1, and when the upper cover 1 and the lower cover 2 are in an assembled state, the inner wall of the extension part 701 is tightly attached to the top outer wall of the lower cover 2. By the arrangement of the extension part 701, the contact area of the sealing position between the top opening of the lower cover 2 and the upper cover 1 can be further increased, and the sealing effect is improved.

Further, the extension 701 and the first seal 7 may be integrally injection molded with an elastic material. So that when the upper cover 1 is screwed to the top opening of the lower cover 2, the top opening of the lower cover 2 can be tightly adhered to the first sealing element 7 and press the first sealing element 7 to generate larger elastic deformation, thereby providing enough tightness. In the actual production process, the upper cover 1 can be injection molded or compression molded firstly, then the first sealing piece 7 is arranged on the basis of the upper cover 1, and the first sealing piece 7 can be molded in the upper cover 1 by adopting a secondary injection molding, compression molding or other molding modes, so that the upper cover 1 and the first sealing piece 7 form a whole; of course, it is also possible to place the first sealing element 7 as a separate movable part on the top inner wall of the preformed upper cover 1, ensuring that the position of the first sealing element 7 within the upper cover 1 is stable.

Preferably, the first seal 7 and the extension 701 may be made of, but not limited to, soft rubber.

Further, as shown in fig. 2, 5 and 13, the second sealing member 8 is disposed on the top inner wall of the upper cover 1, the second sealing member 8 is a ring-shaped structure disposed along the circumferential direction of the upper cover 1, the second sealing member 8 is located on the inner side of the first sealing member 7, and when the upper cover 1 and the lower cover 2 are in an assembled state, the upper inner wall of the lower cover 2 is tightly attached to the second sealing member 8. The side wall of the top opening of the lower cover 2 is sealed by the second sealing element 8 (namely, side sealing), and the second sealing element 8 can be independently sealed and can be matched with the first sealing element 7, so that the double sealing effect of top sealing and side sealing is achieved on the top opening of the lower cover 2, the sealing effect between the upper cover 1 and the lower cover 2 is further improved, and the storage life of a product is effectively prolonged. Wherein the second seal 8 and the upper cover 1 may be, but not limited to, integrally injection molded.

In an alternative embodiment of the present utility model, as shown in fig. 1 to 3, 6 and 13, the fresh-keeping packaging cover further includes an anti-theft ring 6, the anti-theft ring 6 is disposed below the upper cover 1, the top of the anti-theft ring 6 is connected to the bottom edge of the upper cover 1 through a plurality of connection points, the anti-theft ring 6 is sleeved outside the lower cover 2, and the bottom of the anti-theft ring 6 is connected to the top of the stepped boss position of the lower cover 2 (a stepped boss is formed at the lower part of the lower cover 2 along the circumferential direction of the lower cover 2) through a plurality of connection points. The upper cover 1 is fixed through the anti-theft ring 6, so that the upper cover 1 and the lower cover 2 are prevented from being separated when the sealing film 4 is not opened, and the stability of the connection between the upper cover 1 and the lower cover 2 is improved; after the sealing film 4 is opened, the anti-theft ring 6 is separated from the upper cover 1 and remains on the lower cover 2.

Further, as shown in fig. 1 and 3, a third positioning portion 601 is disposed on the outer wall of the anti-theft ring 6, a fourth positioning portion 206 is disposed on the outer wall of the lower cover 2, when the upper cover 1 and the lower cover 2 are in an assembled state, the first positioning portion 5 and the second positioning portion 303 are in preset relative positions, and the third positioning portion 601 and the fourth positioning portion 206 are exactly located on the same straight line in the vertical direction, so that the upper cover 1 and the lower cover 2 are assembled in place. The third positioning portion 601 may be, but not limited to, a bump disposed on an outer wall of the anti-theft ring 6, and the fourth positioning portion 206 may be, but not limited to, a length of one of the anti-skid threads disposed on an outer wall of the lower cover 2 is greater than that of the other anti-skid threads, and the anti-skid thread with a greater length may be used as the fourth positioning portion 206.

The fresh-locking packaging cover disclosed by the utility model is used in the following process: when the material is filled into the storage chamber 201, firstly, the bottom opening of the lower cover 2 is plugged by the sealing film 4, then the cutter 3 (the cutting teeth 302 face downwards) is placed in the storage chamber 201, then the material is filled into the storage chamber 201 through the top opening of the lower cover 2, and after the material is completely filled, the material is assembled together through the upper cover 1 and the lower cover 2 through the thread structure; when the upper cover 1 and the lower cover 2 are assembled to a preset position, the driving blade 101 below the upper cover 1 stretches into the inner side of the cutter 3, the root position of the side edge of the driving blade 101 is in contact with the corresponding driving block 301 on the cutter 3, the top opening of the lower cover 2 is tightly adhered to the first sealing piece 7 and presses the first sealing piece 7 to elastically deform, at the moment, the upper cover 1 is screwed to the position where the first stop boss 102 abuts against the second stop boss 202, meanwhile, the first positioning part 5 and the second positioning part 303 are positioned at preset relative positions, the third positioning part 601 and the fourth positioning part 206 are positioned on the same vertical line, and the upper cover 1 and the lower cover 2 are assembled to be in place; and finally, assembling the lower cover 2 and the packaging container matched with the lower part through a threaded structure, thereby completing the whole material filling and packaging work.

When opening the sealing film 4, a consumer can hold the upper cover 1 and screw the upper cover 1 anticlockwise, at this time, under the effect of the lead of the thread structure between the upper cover 1 and the lower cover 2, the upper cover 1 rotates anticlockwise and moves upwards in the vertical direction, while the driving blade 101 below the upper cover 1 moves synchronously with the upper cover 1, and the driving slide 1011 abuts against the driving block 301 on the cutter 3, under the action of the extrusion force of the driving blade 101, the driving block 301 slides along the driving slide 1011, so that the cutter 3 moves in the opposite direction to the upper cover 1, i.e. rotates clockwise and moves downwards (because the acting force of the driving slide 1011 on the driving block 301 is an oblique force, which can be decomposed into downward pressure along the vertical direction and tangential force along the horizontal direction); the cutter 3 cuts the sealing film 4 along the edge of the sealing film 4 in the downward moving process, as the cutting teeth 302 are provided with the openings, a part of connection positions are still reserved between the sealing film 4 and the lower cover 2 after the cutting action is finished, the sealing film 4 cut under the action of the downward moving of the cutter 3 and the gravity action of the materials is turned down, and the materials in the storage cavity 201 also fall into the bottle body below accordingly, so that the whole opening process of the sealing film 4 is finished.

The fresh-locking packaging cover has the characteristics and advantages that:

1. this lock bright package lid is opening the in-process to sealing membrane 4, only need screw upper cover 1 make it reciprocate, can make cutter 3 along rotatory while down in circumference through drive piece 301 and drive blade 101 cooperation, until the cutting tooth 302 that is located cutter 3 bottom and sealing membrane 4 butt and cut sealing membrane 4 along sealing membrane 4's edge, accomplish the action of opening to sealing membrane, easy operation, convenience improve consumer's use experience.

2. In the fresh-locking packaging cover, the first locating part 5, the second locating part 303, the third locating part 601, the fourth locating part 206 and the first stop boss 102 are matched with the second stop boss 202 respectively, so that the upper cover 1 and the lower cover 2 can be assembled in place, workers are not required to check again, the labor intensity is reduced, and the product quality is effectively ensured.

3. In this lock fresh packaging lid, be provided with flash hole 305 on cutter 3, effectively solve the problem of material jam cutter 3, guarantee the normal downmovement of cutter 3 and to the cutting of sealing membrane 4, guarantee to seal the smooth opening of membrane 4, promote consumer's use experience.

4. In this lock fresh packaging lid, be provided with first sealing member 7 on the top inner wall of upper cover 1, play sealed effect to the open-top of lower cover 2 through first sealing member 7, guarantee the good sealed effect of upper cover 1 and lower cover 2, effectively prolong the shelf life of product.

5. The structure of the fresh-locking packaging cover enables the fresh-locking packaging cover to have very strong water vapor and oxygen barrier performance, achieves the effect of fresh-locking protection on materials, and enables solid or liquid substances to be stored in the storage cavity 201.

Second embodiment

The utility model provides a packaging container which comprises a container body and the fresh-locking packaging cover, wherein the fresh-locking packaging cover is arranged at an opening of the container body.

Further, a second external thread is arranged on the outer wall of the top of the packaging container, a second internal thread 204 is arranged on the inner wall of the lower part of the lower cover 2 in the fresh-locking packaging cover, and the packaging container is connected with the fresh-locking packaging cover in a matched manner through the second external thread and the second internal thread 204.

In an alternative embodiment of the present utility model, the bottom of the lower cover 2 of the fresh-keeping packaging cover is adhered to and fixed to the outer wall near the opening of the packaging container, and of course, other connection modes such as clamping connection and the like can be adopted for fixing, which is not limited herein.

The packaging container in the utility model can be, but is not limited to, a container capable of containing beverage, such as a bottle (e.g. HDPE bottle and PET bottle), a cup (e.g. plastic cup), a box (e.g. paper-based packaging box) and the like, and the sealing film 4 can be opened by locking the cutter 3 on the fresh packaging cover.

The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this utility model, and are intended to be within the scope of this utility model.

Claims (19)

1. The fresh-locking packaging cover is characterized by comprising an upper cover and a lower cover, wherein the upper cover is screwed on the top opening of the lower cover, and a sealing film is arranged in the lower cover so as to form a storage cavity by surrounding the upper cover, the lower cover and the sealing film; a cutter capable of rotating and moving downwards is arranged in the storage cavity, and cutting teeth are arranged on the cutter; at least one driving block is arranged on the cutter, at least one driving blade extending downwards is arranged on the inner wall of the top of the upper cover, a driving slideway is formed along the side edge of the driving blade, and a first positioning part and a second positioning part are respectively arranged on the upper cover and the cutter;

the upper cover and the lower cover are in an assembled state, and the first positioning part and the second positioning part are positioned at preset relative positions;

The upper cover is in a screwing up state, the driving slide rail is abutted with the driving block at a corresponding position, and the driving blade pushes the driving block to rotate and move downwards along the driving slide rail so as to push the cutter to rotate and move downwards and cut the sealing film.

2. The freshness-locking packaging cover of claim 1, wherein the first positioning portion is located at a predetermined position relative to the second positioning portion or the second positioning portion relative to the first positioning portion, the upper cover is assembled with the lower cover, and the drive block is located at a root portion of the drive slide.

3. The fresh-locking packaging cover of claim 2, wherein the root of the drive slide is the location where the drive slide is connected to the top inner wall of the upper cover or the location on the drive slide near where the drive slide is connected to the top inner wall of the upper cover.

4. The freshness-locking packaging cover of claim 1, wherein the cutter is a cylindrical structure which is vertically arranged and is open at two ends, the driving block is positioned on the top inner wall of the cutter, and the cutting teeth are positioned at the bottom of the cutter and are distributed along the circumference of the cutter.

5. The freshness-locking packaging cover of claim 4, wherein a positioning member is provided on a top inner wall of the upper cover to form the first positioning portion; a notch is reserved on the cutting tooth to form the second positioning part, the upper cover and the lower cover are in an assembled state, and the positioning piece and the notch are located at the preset position.

6. The freshness package cover of claim 5, wherein the predetermined position is a projection of the positioning member on the top inner wall of the upper cover and a projection of the opening on the top inner wall of the upper cover are located on both sides of a center point of the upper cover, respectively, and a line connecting the projection of the positioning member on the top inner wall of the upper cover and the projection of the opening on the top inner wall of the upper cover passes through the center point of the upper cover.

7. The freshness-locking packaging cover according to claim 1, wherein the projection of the driving blades on the top inner wall of the upper cover is arc-shaped, the number of the driving blades is a plurality, and the driving blades are distributed at intervals along the circumferential direction of the upper cover;

the number of the driving blocks is the same as that of the driving blades, and each driving block is opposite to the corresponding driving blade in the vertical direction.

8. The freshness-locking packaging cover according to claim 1, wherein a first stop boss and a second stop boss are respectively arranged on the inner wall of the upper cover and the outer wall of the lower cover, the upper cover is screwed down to a preset position in an assembled state of the upper cover and the lower cover, and the first stop boss is abutted against the second stop boss.

9. The fresh-locking packaging cover according to claim 8, wherein a first internal thread is arranged on the inner wall of the upper cover, a first external thread is arranged on the outer wall of the lower cover, and the upper cover and the lower cover are connected with each other in a matched manner through the first internal thread and the first external thread;

the first stop boss is located below the first internal thread, and the second stop boss is located below the first external thread.

10. The freshness-locking package cover of claim 1, wherein a guide mechanism for guiding a downward-moving position of the cutter is provided between the cutter and the lower cover, the guide mechanism comprising a guide groove provided on an outer wall of the cutter and a guide post provided on an inner wall of the lower cover, the guide post being slidably fitted in the guide groove.

11. The freshness-locking packaging cover of claim 10, wherein the guide groove comprises a guide channel, wherein the guide channel comprises a first horizontal initial section, a first inclined ascending section and a horizontal ending section which are communicated in sequence from bottom to top;

the guide posts comprise first guide posts which are slidably arranged in the guide channels, the upper cover is in a screwing up state, and the first guide posts sequentially pass through the first horizontal initial section and the first inclined ascending section to slide to the horizontal final section.

12. The freshness-locking packaging cover of claim 11, wherein the guide groove comprises an auxiliary channel, wherein the auxiliary channel comprises a second horizontal initial section and a second inclined ascending section which are communicated sequentially from bottom to top, and the top of the second inclined ascending section is provided with a seal;

the guide posts comprise second guide posts which can be slidably arranged in the auxiliary channel, the upper cover is in a screwing up state, and the second guide posts sequentially pass through the second horizontal initial section and the second inclined ascending section to slide to a sealing position.

13. The freshness-locking package cover of claim 12 wherein a necked structure is provided between the second horizontal initiation section and the second ramp-up section that bends toward the second ramp-up section.

14. The freshness-locking packaging cover of claim 1, wherein the cutter is provided with at least one flash hole communicating the outside of the cutter with the inside thereof.

15. The freshness-locking packaging cover according to claim 1, wherein a first sealing member is arranged on the top inner wall of the upper cover, the first sealing member is an annular structure arranged along the circumferential direction of the upper cover, and in the assembled state of the upper cover and the lower cover, the top of the lower cover is tightly adhered to the first sealing member and presses the first sealing member to deform.

16. The freshness-locking package cover of claim 15, wherein an annular extension extending downward from the first seal is provided at an annular outer edge of the first seal along a circumferential direction of the first seal, a top of the extension is connected to the annular outer edge of the first seal, an outer wall of the extension is in contact with an inner wall of the upper cover, and the inner wall of the extension is in contact with an outer wall of a top of the lower cover in an assembled state of the upper cover and the lower cover.

17. The freshness-locking package cover of claim 15, wherein a second sealing member is disposed on a top inner wall of the upper cover, the second sealing member is an annular structure disposed along a circumferential direction of the upper cover, the second sealing member is located inside the first sealing member, and in an assembled state of the upper cover and the lower cover, the upper inner wall of the lower cover is tightly attached to the second sealing member.

18. The fresh-locking packaging cover according to claim 1, further comprising an anti-theft ring, wherein the anti-theft ring is arranged below the upper cover, the top of the anti-theft ring is connected with the upper cover, the anti-theft ring is sleeved outside the lower cover, and the bottom of the anti-theft ring is connected with the lower cover.

19. The freshness-locking packaging cover of claim 18, wherein the anti-theft ring and the lower cover are respectively provided with a third positioning portion and a fourth positioning portion, wherein the third positioning portion and the fourth positioning portion are vertically positioned on the same line when the upper cover and the lower cover are in an assembled state.