CN220905877U - Theft-proof elastic milk powder cap - Google Patents

Abstract

The utility model discloses an anti-theft elastic milk powder cover, which belongs to the field of anti-theft covers and comprises a lower cover, an upper cover, an anti-theft component and an elastic opening component, wherein the upper cover is arranged on the lower cover in a turnover manner. The anti-theft component comprises a first panel, a limiting plate and anti-theft pieces, wherein a limiting groove is formed between the first panel and the limiting plate, the anti-theft pieces are detachably arranged on the upper cover through easy-to-tear parts, the anti-theft pieces movably penetrate through the limiting groove, the anti-theft component is provided with two anti-theft components, and the two anti-theft components are located on two opposite sides of the lower cover. The elastic opening component is respectively connected with the upper cover and the lower cover and is used for opening and locking the upper cover and the lower cover. The milk powder cover can enable the upper cover and the lower cover to be opened and closed freely through the elastic opening component, and when the upper cover and the lower cover are in a buckling state, the upper cover and the lower cover are mutually locked, so that the tightness of packaging is ensured, food is prevented from being polluted by external environment in the process of being opened for many times, and the food safety of consumers is ensured.

Description

Theft-proof elastic milk powder cap

Technical Field

The utility model relates to the field of anti-theft covers, in particular to an anti-theft elastic milk powder cover.

Background

Food is an essential article in daily life of people, and with the improvement of living standard, people are increasingly concerned about the problems of food safety, food pollution and the like, and the packaging design of the food is also increasingly valued by people. Food is easily polluted and spoiled in the process of transportation and storage, especially after unsealing, the food can be spoiled due to factors such as air, humidity, bacteria and the like, so that consumers pay great attention to the integrity of food package when buying food, so as to confirm whether the food is opened by people.

In order to realize the theftproof function, current food packaging lid can set up the theftproof structure generally, and the theftproof structure is mostly disposable subassembly, after opening the food packaging lid for the first time, the theftproof structure is destroyed and is separated with product packaging for the leakproofness of packing descends, thereby leads to food to deteriorate, is unfavorable for consumer's health.

Disclosure of utility model

The utility model aims to at least solve one of the technical problems in the prior art, and therefore, the utility model provides the antitheft elastic milk powder cover which can still ensure the tightness of food packaging after an antitheft structure is destroyed for the first time, prevent the food from being polluted by the outside and ensure the health of consumers.

The antitheft elastic milk powder cover comprises a lower cover; the upper cover is arranged on the lower cover in a turnover manner; the anti-theft assembly comprises a first panel, a limiting plate and an anti-theft sheet, wherein the first panel and the limiting plate are both arranged on the lower cover, the first panel is positioned on the outer side of the limiting plate, a limiting groove is formed between the first panel and the limiting plate, the anti-theft sheet is detachably arranged on the upper cover through an easy-tearing part, the anti-theft sheet is movably arranged in the limiting groove in a penetrating mode, first blocking parts are arranged on two horizontal sides of the anti-theft sheet, two second blocking parts capable of being buckled with the two first blocking parts are arranged in the limiting groove, the first blocking parts are buckled with the second blocking parts to lock the upper cover and the lower cover, the anti-theft assembly is arranged in two, and the two anti-theft assemblies are positioned on two opposite sides of the lower cover; the elastic opening component is connected with the upper cover and the lower cover respectively and is used for opening and locking the upper cover and the lower cover.

The antitheft elastic milk powder cover provided by the embodiment of the utility model has at least the following beneficial effects: opening the elasticity and opening the piece and upwards overturning the upper cover for the first time and making easy tearing portion fracture, the anti-theft piece is separated with the upper cover, and the anti-theft piece is limited in the spacing groove under the effect of first blocking portion and second blocking portion, opens the subassembly through elasticity this moment, upper cover and lower cover can freely open and shut, and when upper cover and lower cover be the lock state, upper cover and lower cover lock each other, have guaranteed the leakproofness of packing from this, avoid food to be polluted by external environment at the in-process of opening many times to guarantee consumer's food safety.

According to some embodiments of the utility model, a resilient opening member comprises: the first groove is arranged on the upper cover; the pressing piece is movably arranged on the lower cover, the pressing piece and the two anti-theft components are arranged at intervals, the angle between the pressing piece and the two anti-theft components is 90 degrees, and the pressing piece is provided with a claw which can be buckled with the first groove; the pressing piece is arranged on the upper cover and extends along the direction of the upper cover towards the lower cover; the elastic piece is arranged on the lower cover, the elastic piece is propped against the pressing piece, the pressing piece is pressed to enable the clamping jaw and the first groove to separate from each other, and the elastic piece bounces up the pressing piece.

According to some embodiments of the utility model, the pressing member is annular, the elastic member is annular, and the pressing member abuts against the elastic member, so as to ensure tightness of the upper cover and the lower cover.

According to some embodiments of the utility model, the lower cover is provided with an annular baffle plate, the annular baffle plate is positioned on the inner side of the lower cover, the annular baffle plate is inclined, the diameter of one end of the annular baffle plate, which is close to the upper cover, is larger than the diameter of one end of the annular baffle plate, which is far away from the upper cover, the upper cover is provided with an annular pressing plate, and the annular pressing plate extends towards the lower cover to abut against the annular baffle plate so as to ensure tightness between the upper cover and the lower cover.

According to some embodiments of the utility model, the inner wall of the lower cover is provided with a plurality of raised strips along the circumferential direction, the raised strips are positioned at one end of the lower cover far away from the upper cover, and the raised strips are used for being buckled with the milk powder can.

According to some embodiments of the utility model, the upper cover is provided with an anti-slip part, the anti-slip part corresponds to the pressing piece, and the anti-slip part is beneficial to the first opening of the upper cover.

According to some embodiments of the utility model, the limiting plate is provided with a first identification part, the first identification part is located in the limiting groove, the first identification part is used for showing the unopened state of the upper cover, the anti-theft piece is provided with a second identification part, the second identification part is located at one end of the anti-theft piece far away from the easy-tearing part, when the anti-theft piece is separated from the upper cover, the anti-theft piece shields the first identification part and exposes the second identification part, and the second identification part is used for showing the opened state of the upper cover.

According to some embodiments of the utility model, the limit groove has a second groove, the second groove is located at an end of the limit groove away from the upper cover, and the second groove is used for accommodating the anti-theft sheet.

According to some embodiments of the utility model, the anti-theft tab is provided with a first guide portion, the first guide portion is located at one end of the anti-theft tab away from the upper cover, the cross-sectional area of the first guide portion gradually decreases along the direction from the upper cover to the lower cover, and the first guide portion is used for guiding the anti-theft tab into the second groove.

According to some embodiments of the utility model, the anti-theft sheet is provided with second guide portions, the second guide portions are located at two horizontal ends of the anti-theft sheet, the cross-sectional area of the second guide portions gradually decreases along the anti-theft sheet towards the two horizontal ends of the anti-theft sheet, and the second guide portions facilitate the anti-theft sheet to enter the limiting grooves.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic diagram of an anti-theft elastic milk powder cap according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the anti-theft tab of FIG. 1;

FIG. 3 is a schematic view of the resilient opening member of FIG. 1 with the cover hidden;

FIG. 4 is a schematic view of a limiting groove of the hidden upper cover in FIG. 1;

FIG. 5 is a cross-sectional view of the anti-theft tab of FIG. 1;

FIG. 6 is a cross-sectional view of the spring opening assembly of FIG. 1;

fig. 7 is a cross-sectional view of the compression member and the elastic member of fig. 1.

Reference numerals:

the lower cap 100, the annular flap 110, the ribs 120,

An upper cover 200, an annular pressing piece 210, and an anti-slip part 220;

The anti-theft device comprises an anti-theft component 300, a first panel 310, a limiting plate 320, a first identification part 321, an anti-theft sheet 330, a first blocking part 331, a first guide part 332, a second guide part 333, a limiting groove 340, a second blocking part 341, a second groove 342, an easily torn part 350 and a second identification part 360;

The elastic opening assembly 400, the first groove 410, the pressing member 420, the pawl 421, the pressing member 430 and the elastic member 440.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second times, if any, is intended only for the purpose of distinguishing between technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

An antitheft elastic powdered milk cap according to an embodiment of the present utility model is described with reference to fig. 1 to 7.

As shown in fig. 1 to 7, the antitheft elastic powdered milk cap includes a lower cap 100, an upper cap 200, an antitheft assembly 300, and an elastic opening assembly 400, wherein the upper cap 200 is rotatably provided on the lower cap 100. The anti-theft component 300 comprises a first panel 310, a limiting plate 320 and an anti-theft sheet 330, wherein the first panel 310 and the limiting plate 320 are both arranged on the lower cover 100, the first panel 310 is positioned on the outer side of the limiting plate 320, a limiting groove 340 is formed between the first panel 310 and the limiting plate 320, the anti-theft sheet 330 is detachably arranged on the upper cover 200 through an easy-tearing part 350, the anti-theft sheet 330 is movably penetrated in the limiting groove 340, the two horizontal sides of the anti-theft sheet 330 are provided with a first blocking part 331, two second blocking parts 341 which can be buckled with the two first blocking parts are arranged in the limiting groove 340, the first blocking parts 331 and the second blocking parts 341 are buckled to lock the upper cover 200 and the lower cover 100, the anti-theft component 300 is provided with two anti-theft components 300 positioned on the two opposite sides of the lower cover 100. The elastic opening member 400 is coupled to the upper and lower covers 200 and 100, respectively, and the elastic opening member 400 serves to open and lock the upper and lower covers 200 and 100.

As shown in fig. 1 to 3, the antitheft elastic milk powder cap comprises a lower cap 100, an upper cap 200, antitheft assemblies 300 and an elastic opening assembly 400, wherein the upper cap 200 is rotatably arranged on the lower cap 100, the antitheft assemblies 300 are arranged in two, the two antitheft assemblies 300 are respectively arranged on opposite sides of the lower cap 100, and the elastic opening assembly 400 is respectively connected with the upper cap 200 and the lower cap 100. As shown in fig. 5, the anti-theft assembly 300 includes a first panel 310, a limiting plate 320 and an anti-theft sheet 330, wherein the first panel 310 and the limiting plate 320 are both disposed on the lower cover 100, the first panel 310 is disposed on the left side of the limiting plate 320, a limiting groove 340 is formed between the first panel 310 and the limiting plate 320, the anti-theft sheet 330 is disposed in the limiting groove 340 in a penetrating manner, and the anti-theft sheet 330 is detachably disposed on the upper cover 200 through the easy-tearing portion 350. As shown in fig. 2, the anti-theft piece 330 is provided with first blocking portions 331 on both front and rear sides, correspondingly, as shown in fig. 3, two second blocking portions 341 capable of being buckled with the two first blocking portions 331 are provided in the limiting groove 340, the first blocking portions 331 and the second blocking portions 341 are abutted against each other, and the anti-theft piece 330 is movably connected with the upper cover 200 through the easy-tearing portion 350, so that the upper cover 200 is fixed on the lower cover 100. Opening the elastic opening member and turning the upper cover 200 upwards for the first time to break the easy-tearing portion 350, separating the anti-theft sheet 330 from the upper cover 200, wherein the anti-theft sheet 330 is limited in the limiting groove 340 under the action of the first blocking portion 331 and the second blocking portion 341, at this time, the upper cover 200 and the lower cover 100 can be opened and closed freely by the elastic opening member 400, and when the upper cover 200 and the lower cover 100 are in a buckled state, the upper cover 200 and the lower cover 100 are locked with each other, thereby ensuring the tightness of the package, avoiding the food from being polluted by the external environment in the process of opening for many times, and thus guaranteeing the food safety of consumers.

In some embodiments of the present utility model, the resilient opening member 400 comprises: a first groove 410, the first groove 410 being provided on the upper cover 200; the pressing piece 420 is movably arranged on the lower cover 100, the pressing piece 420 and the two anti-theft assemblies 300 are arranged at intervals, the angles between the pressing piece 420 and the two anti-theft assemblies 300 are 90 degrees, and the pressing piece 420 is provided with a claw which can be buckled with the first groove 410; the pressing member 430, the pressing member 430 is disposed on the upper cover 200, and the pressing member 430 extends along the upper cover 200 toward the lower cover 100; the elastic member 440, the elastic member 440 is disposed on the lower cover 100, the elastic member 440 abuts against the pressing member 430, the pressing member 420 is pressed to separate the claw and the first groove 410 from each other, and the elastic member 440 ejects the pressing member 430.

As shown in fig. 4 and 6 to 7, the elastic opening member 400 includes a first groove 410, a pressing member 420, a pressing member 430, and an elastic member 440, the first groove 410 is disposed on the upper cover 200, and the first groove 410 is disposed inside the upper cover 200. The pressing piece 420 is movably disposed on the lower cover 100, and the pressing piece 420 and the two anti-theft assemblies 300 are disposed at intervals, specifically, the upper cover 200 is hinged to the lower cover 100, the hinge portion of the upper cover 200 and the lower cover 100 and the pressing piece 420 are respectively disposed on two opposite sides of the lower cover 100, and the hinge portion of the upper cover 200 and the lower cover 100, one of the anti-theft assemblies 300, the pressing piece 420, and the other anti-theft assembly 300 are sequentially and uniformly distributed along the circumferential direction of the lower cover 100. The upper end of the pressing member 420 is connected with a claw capable of being buckled with the first groove 410, the claw and the first groove 410 are buckled, the upper cover 200 and the lower cover 100 can be locked, specifically, the pressing member 430 is arranged on the inner side of the upper cover 200, the pressing member 430 extends downwards, the elastic member 440 is arranged on the lower cover 100, when the elastic member 440 is propped against the pressing member 430, the elastic member 440 can be elastically deformed as an elastic material and store energy, once the claw and the first groove 410 are separated from each other, the external force is relieved, the elastic member 440 can release the stored energy, and an upward acting force is applied to the pressing member 430, so that the upper cover 200 is sprung open, namely, the upper cover 200 is in an open state.

In some embodiments of the present utility model, the pressing member 430 is annular, the elastic member 440 is annular, and the pressing member 430 abuts against the elastic member 440 to ensure tightness of the upper cover 200 and the lower cover 100.

Specifically, as shown in fig. 6 and 7, the circular pressing member 430 is integrally pressed with the circular elastic member 440, on one hand, the elastic member 440 is made of an elastic material, and the pressing member 430 is pressed against the elastic member to store energy, so that the upper cover 200 is conveniently opened, and on the other hand, when the pressing member 430 is pressed against the elastic member 440 in a full circle, the sealing degree between the upper cover 200 and the lower cover 100 can be enhanced while the upper cover 200 and the lower cover 100 are locked, so that the sealing property of the milk powder cover is ensured.

In some embodiments of the present utility model, the lower cover 100 is provided with an annular baffle 110, the annular baffle is located at the inner side of the lower cover 100, the annular baffle 110 is inclined, the diameter of one end of the annular baffle 110 near the upper cover 200 is larger than the diameter of one end of the annular baffle 110 far away from the upper cover 200, the upper cover 200 is provided with an annular pressing piece 210, and the annular pressing piece 210 extends towards the lower cover 100 to be abutted against the annular baffle 110, so as to ensure tightness between the upper cover 200 and the lower cover 100.

As shown in fig. 5 to 7, the lower cover 100 is provided with an annular stopper 110, the annular stopper 110 is located at the inner side of the lower cover 100, and the annular stopper 110 is located at the inner side of the stopper, specifically, the annular stopper 110 is inclined, i.e., the diameter of the upper end of the annular stopper 110 is larger than the diameter of the lower end. The upper cover 200 is provided with an annular pressing piece 210, the annular pressing piece 210 is vertically arranged downwards, and when the upper cover 200 and the lower cover 100 are closed, the annular pressing piece 210 is propped against the annular blocking piece 110 downwards to form a second layer of seal, so that the tightness of the milk powder cover is further ensured.

In some embodiments of the present utility model, a plurality of protruding strips 120 are circumferentially disposed on the inner wall of the lower cover 100, the plurality of protruding strips 120 are located at one end of the lower cover 100 away from the upper cover 200, and the plurality of protruding strips 120 are used for buckling with the milk powder can.

As shown in fig. 3 and 4, the inner wall of the lower cover 100 is provided with a plurality of raised strips 120 along the axial direction, the raised strips 120 are located at the lower end of the lower cover 100, it is to be noted that the opening of the milk powder can is provided with annular ribs which can be buckled with the raised strips 120, as shown in fig. 6, the elastic member 440 on the lower cover 100 extends downwards to the upper side of the raised strips 120 along the side wall of the lower cover 100, therefore, when the milk powder can is assembled with the milk powder cover, the milk powder can not only can be buckled with the raised strips 120, but also can be propped against the elastic member 440 above, thereby completely forming a third layer of seal, providing good sealing performance for the milk powder can, and ensuring that milk powder in the can is not leaked or polluted by the outside.

In some embodiments of the present utility model, the upper cover 200 is provided with an anti-slip part 220, the anti-slip part 220 corresponds to the pressing member 420, and the anti-slip part 220 facilitates the first opening of the upper cover 200.

As shown in fig. 1, the front side of the upper cover 200 is provided with the anti-slip part 220, and the anti-slip part 220 corresponds to the pressing piece 420, and when the upper cover 200 is opened for the first time, since the upper cover 200 is connected with the lower cover 100 through the anti-theft piece 330, it is necessary to turn over the upper cover 200 using a large force, the anti-slip part 220 can provide a firm grip to increase the friction between the upper cover 200 and the hands, which helps the user to more easily grasp the upper cover 200 when the upper cover 200 is opened for the first time. Specifically, the front side of the anti-slip portion 220 is curved, and by designing the anti-slip portion 220 to be curved to fit with the fingers, better holding and operation experience can be provided, the fingers can be more fit with the upper cover 200, and the user can easily apply force to open the cover.

In some embodiments of the present utility model, the limiting plate 320 is provided with a first identification portion 321, the first identification portion 321 is located in the limiting groove 340, the first identification portion 321 is used for indicating an unopened state of the upper cover 200, the anti-theft piece 330 is provided with a second identification portion 360, the second identification portion 360 is located at an end of the anti-theft piece 330 away from the easy-tearing portion 350, when the anti-theft piece 330 is separated from the upper cover 200, the anti-theft piece 330 shields the first identification portion 321 and exposes the second identification portion 360, and the second identification portion 360 is used for indicating an opened state of the upper cover 200.

As shown in fig. 3, the limiting plate 320 is provided with a first identification portion 321, the first identification portion 321 is a protrusion of an "unopened" character, the anti-theft sheet 330 is provided with a second identification portion 360, and the second identification portion 360 is a protrusion of an "opened" character. When the upper cover 200 is not opened for the first time, the first panel 310 shields the second identification part 360 on the anti-theft sheet 330, and the first identification part 321 is exposed to show the unopened state of the package to the user; when the upper cover 200 is opened for the first time, the anti-theft tab 330 is separated from the upper cover 200, the anti-theft tab 330 drops down and shields the first identification portion 321, and the second identification portion 360 is exposed at the same time, so as to indicate the opened state of the present package to the user.

In some embodiments of the present utility model, the limiting groove 340 has a second groove 342, the second groove 342 is located at an end of the limiting groove 340 away from the upper cover 200, and the second groove 342 is used for accommodating the anti-theft tab 330.

As shown in fig. 5, the limiting groove 340 has a second groove 342, the second groove 342 is located at the lower end of the limiting groove 340, when the anti-theft piece 330 is separated from the upper cover 200, the anti-theft piece 330 falls down into the second groove 342, and under the action of the first blocking portion 331 and the second blocking portion 341, the anti-theft piece 330 cannot fall off from the limiting groove 340. When the upper cover 200 and the lower cover 100 are placed up and down normally, the height of the upper end of the anti-theft piece 330 in the second groove 342 does not exceed the height of the upper end of the limit groove 340, so that the broken easy-tearing portion 350 does not cause scratches, cuts and other threats to the hands of the user in the use process of the user, thereby ensuring the use safety of the user.

In some embodiments of the present utility model, the anti-theft tab 330 is provided with a first guiding portion 332, the first guiding portion 332 is located at an end of the anti-theft tab 330 away from the upper cover 200, the cross-sectional area of the first guiding portion 332 gradually decreases along the direction of the upper cover 200 toward the lower cover 100, and the first guiding portion 332 is used for guiding the anti-theft tab 330 into the second groove 342.

As shown in fig. 2, the anti-theft tab 330 is provided with a first guiding portion 332, the first guiding portion 332 is located at the lower end of the anti-theft tab 330, and the cross-sectional area of the first guiding portion 332 gradually decreases from top to bottom, so that when the anti-theft tab 330 is separated from the upper cover 200, the first guiding portion 332 can guide the anti-theft tab 330 into the second groove 342, so as to avoid that the anti-theft tab 330 fails to fall in place, and the second identification portion 360 fails to be exposed.

In some embodiments of the present utility model, the anti-theft tab 330 is provided with a second guiding portion 333, the second guiding portion 333 is located at two horizontal ends of the anti-theft tab 330, the cross-sectional area of the second guiding portion 333 gradually decreases along the anti-theft tab 330 towards two horizontal ends of the anti-theft tab 330, and the second guiding portion 333 facilitates the anti-theft tab 330 to enter the limiting slot 340.

As shown in fig. 2, the anti-theft tab 330 is further provided with a second guide portion 333, the second guide portion 333 is located at the lower end of the anti-theft tab 330, and the second guide portion 333 is located at the front and rear ends of the first guide portion 332, and the cross-sectional area of the second guide portion 333 gradually decreases along the direction of the front and rear ends of the anti-theft tab 330. It should be noted that, the first blocking portion 331 is a protrusion with a trapezoid cross section, that is, an upper side of the protrusion is an inclined plane, a lower side of the protrusion is a horizontal plane, and the second blocking portion 341 is a trapezoid slot capable of being matched with the first blocking portion 331. When the milk powder cap leaves the factory, the upper cap 200 is required to be buckled with the lower cap 100 downwards to insert the anti-theft piece 330 into the limit groove 340, and the second guide portion 333 and the first blocking portion 331 slide away from each other, so that the anti-theft piece 330 enters the limit groove 340, and the second blocking portion 341 and the first blocking portion 331 complete buckling.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. An antitheft elastic milk powder cover is characterized by comprising:

a lower cover (100);

an upper cover (200), the upper cover (200) being provided on the lower cover (100) so as to be reversible;

The anti-theft assembly (300), the anti-theft assembly (300) comprises a first panel (310), a limit plate (320) and an anti-theft sheet (330), the first panel (310) and the limit plate (320) are arranged on the lower cover (100), the first panel (310) is positioned on the outer side of the limit plate (320), a limit groove (340) is formed between the first panel (310) and the limit plate (320), the anti-theft sheet (330) is detachably arranged on the upper cover (200) through a tearing part (350), the anti-theft sheet (330) is movably arranged in the limit groove (340) in a penetrating way, the two horizontal sides of the anti-theft sheet (330) are provided with first blocking parts (331), two second blocking parts (341) which can be buckled with the two first blocking parts (331) are arranged in the limit groove (340), the first blocking parts (331) and the second blocking parts (341) are buckled to lock the upper cover (200) and the lower cover (100), and the two anti-theft assemblies (300) are arranged on two opposite sides of the lower cover (300);

And the elastic opening component (400), the elastic opening component (400) is respectively connected with the upper cover (200) and the lower cover (100), and the elastic opening component (400) is used for opening and locking the upper cover (200) and the lower cover (100).

2. The antitheft elastic milk powder cap of claim 1, characterized in that the elastic opening assembly (400) comprises:

a first groove (410), the first groove (410) being provided on the upper cover (200);

The pressing piece (420) is movably arranged on the lower cover (100), the pressing piece (420) and the two anti-theft assemblies (300) are arranged at intervals, the angles between the pressing piece (420) and the two anti-theft assemblies (300) are 90 degrees, and the pressing piece (420) is provided with a claw which can be buckled with the first groove (410);

A pressing member (430), the pressing member (430) being disposed on the upper cover (200), the pressing member (430) extending in a direction of the upper cover (200) toward the lower cover (100);

The elastic piece (440), the elastic piece (440) is arranged on the lower cover (100), the elastic piece (440) is propped against the pressing piece (430), the pressing piece (420) is pressed to enable the clamping jaw and the first groove (410) to be separated from each other, and the elastic piece (440) is used for bouncing the pressing piece (430).

3. The antitheft elastic milk powder cover according to claim 2, characterized in that the pressing member (430) is in a circular ring shape, the elastic member (440) is in a circular ring shape, and the pressing member (430) abuts against the elastic member (440) so as to ensure the tightness of the upper cover (200) and the lower cover (100).

4. The antitheft elastic milk powder cover according to claim 1, wherein the lower cover (100) is provided with an annular baffle (110), the annular baffle (110) is located on the inner side of the lower cover (100), the annular baffle (110) is inclined, the diameter of one end of the annular baffle (110) close to the upper cover (200) is larger than that of one end of the annular baffle (110) far away from the upper cover (200), the upper cover (200) is provided with an annular pressing piece (210), and the annular pressing piece (210) extends towards the lower cover (100) to abut against the annular baffle (110) so as to ensure tightness between the upper cover (200) and the lower cover (100).

5. The antitheft elastic milk powder cover according to claim 1, wherein a plurality of raised strips (120) are arranged on the inner wall of the lower cover (100) along the circumferential direction, the raised strips (120) are positioned at one end of the lower cover (100) far away from the upper cover (200), and the raised strips (120) are used for being buckled with a milk powder can.

6. The antitheft elastic milk powder cap according to claim 2, characterized in that the upper cap (200) is provided with an antiskid part (220), the antiskid part (220) corresponds to the pressing piece (420), and the antiskid part (220) facilitates the first opening of the upper cap (200).

7. The antitheft elastic milk powder cover according to claim 1, wherein a first identification portion (321) is arranged on the limiting plate (320), the first identification portion (321) is located in the limiting groove (340), the first identification portion (321) is used for indicating an unopened state of the upper cover (200), the antitheft sheet (330) is provided with a second identification portion (360), the second identification portion (360) is located at one end, away from the tearing portion (350), of the antitheft sheet (330), when the antitheft sheet (330) is separated from the upper cover (200), the antitheft sheet (330) shields the first identification portion (321) and exposes the second identification portion (360), and the second identification portion (360) is used for indicating an opened state of the upper cover (200).

8. The antitheft elastic milk powder cover according to claim 1, wherein the limit groove (340) is provided with a second groove (342), the second groove (342) is positioned at one end of the limit groove (340) away from the upper cover (200), and the second groove (342) is used for accommodating the antitheft sheet (330).

9. The antitheft elastic milk powder cover according to claim 8, wherein the antitheft sheet (330) is provided with a first guiding portion (332), the first guiding portion (332) is located at one end of the antitheft sheet (330) away from the upper cover (200), the cross-sectional area of the first guiding portion (332) gradually decreases along the direction of the upper cover (200) toward the lower cover (100), and the first guiding portion (332) is used for guiding the antitheft sheet (330) into the second groove (342).

10. The antitheft elastic milk powder cover according to claim 1, wherein the antitheft sheet (330) is provided with a second guiding portion (333), the second guiding portion (333) is located at two horizontal ends of the antitheft sheet (330), the cross-sectional area of the second guiding portion (333) gradually decreases along the antitheft sheet (330) towards two horizontal ends of the antitheft sheet (330), and the second guiding portion (333) facilitates the antitheft sheet (330) to enter the limiting groove (340).