Fully-sealed milk powder cover
Through the design of the fully sealed milk powder cover and the use of coaxial sealing channels and seals, the problem of lax sealing of the milk powder cover is solved, and a better sealing effect is achieved, and the freshness and dryness of the milk powder are maintained.
Patent Information
- Application Number
- CN202422158642.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-03
AI Technical Summary
The sealing of the existing milk powder cover is not tight enough, and it is easily affected by moisture or external air and moisture, resulting in a decrease in the quality of the milk powder storage.
A fully sealed milk powder cover is designed, adopting a coaxially arranged first sealing passage and a second sealing passage. By the sealing assembly, a first sealing member, a second sealing member and a third seal, forming a double layer of protection to reduce air and moisture into the milk powder can.
Effectively maintain the freshness and dryness of milk powder, reduce the risk of deterioration caused by external factors of the milk powder, and provide a better sealing effect.
Smart Images
Figure CN223132874U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of milk powder lids, in particular to a fully sealed milk powder lid. Background Art
[0002] The milk powder lid is used to seal the milk powder can mouth to keep the milk powder fresh and dry. The milk powder lid is usually easy to open and close, so as to facilitate taking out the milk powder when using the milk powder, and effectively seal the can mouth when not in use, preventing the milk powder from getting damp or contaminated.
[0003] In the prior art, the seal of the milk powder can mouth is not tight enough, and it is easy to get damp or affected by external air and moisture, thus reducing the storage quality of the milk powder. Summary of the Utility Model
[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art. For this reason, the utility model provides a fully sealed milk powder lid, which can provide a better sealing effect, reduce the entry of air and moisture into the milk powder can, and effectively maintain the freshness and dryness of the milk powder.
[0005] The fully sealed milk powder lid according to the embodiment of the utility model includes a lower lid; an upper lid, the upper lid is rotatably arranged on the lower lid; an opening component, the opening component is connected to the lower lid, the opening component is connected to the upper lid, and the opening component is used for buckling and opening the upper lid and the lower lid; two anti-theft components, the two anti-theft components are symmetrically arranged at the opposite ends of the upper lid, the two anti-theft components are both connected to the upper lid, the two anti-theft components are respectively located on both sides of the opening component, and the anti-theft components are used to prevent the product from being stolen and opened; a sealing component, the sealing component is connected to the lower lid, the sealing component is connected to the upper lid, and the sealing component includes a first sealing channel and a second sealing channel circumferentially arranged between the upper lid and the lower lid, the first sealing channel and the second sealing channel are coaxially arranged, and the first sealing channel penetrates through the second sealing channel.
[0006] The fully sealed milk powder lid according to the embodiment of the utility model has at least the following beneficial effects: Sealing is carried out through the coaxially arranged first sealing channel and second sealing channel to provide a better sealing effect, reduce the entry of air and moisture into the milk powder can, effectively maintain the freshness and dryness of the milk powder, and at the same time, the sealing channel reduces the contact between the milk powder and the external environment, reducing the risk of the milk powder deteriorating due to external factors.
[0007] According to some embodiments of the present utility model, the sealing assembly includes: a first seal, a second seal, and a third seal. The first seal, the second seal, and the third seal are all annular and coaxially arranged on the lower cover. The first seal, the second seal, and the third seal are located at one end of the upper cover close to the lower cover and extend towards the lower cover. The first seal, the second seal, and the third seal are arranged in sequence from inside to outside; a first step and a second step. The first step and the second step are both annular and coaxially arranged on the lower cover. The first step and the second step are located at one end of the lower cover close to the upper cover. The upper cover, the first step, the first seal, and the second seal enclose a first sealing channel, and the upper cover, the second step, the second seal, and the third seal enclose a second sealing channel.
[0008] According to some embodiments of the present utility model, the first step includes: a first panel, which is circumferentially arranged on the lower cover and is perpendicular to the upper cover; a second panel, which is circumferentially arranged on the lower cover and is perpendicular to the upper cover. The second panel is connected to the first panel through a first connecting member. The first panel and the second panel are coaxially arranged, and the second panel is sleeved outside the second panel. The first seal, the upper cover, the first panel, the second panel, and the first connecting member enclose a first sealing channel.
[0009] According to some embodiments of the present utility model, the second step includes a third panel, which is circumferentially arranged on the lower cover and is perpendicular to the upper cover. The third panel and the second panel are coaxially arranged, and the third panel is sleeved outside the second panel. The third panel is connected to the second panel through a second connecting member. The third panel is located on the side of the second panel away from the upper cover. The second seal, the upper cover, the second panel, the third panel, and the second connecting member enclose a second sealing channel.
[0010] According to some embodiments of the present utility model, the opening assembly includes a first fastening member and a second fastening member. The first fastening member is arranged on the lower cover, and the second fastening member is movably arranged on the upper cover. The first fastening member and the second fastening member are fastened to lock the upper cover and the lower cover.
[0011] According to some embodiments of the present utility model, the second fastening member is movably connected to the lower cover through a connecting member. A pressing member is arranged on the second fastening member. The pressing member is located at one end of the connecting member opposite to the second fastening member. The pressing member is used to control the second fastening member to move away from and close to the first fastening member.
[0012] According to some embodiments of the present utility model, the anti-theft component includes: a first anti-theft panel disposed on the upper cover; a second anti-theft panel disposed on the upper cover, the first anti-theft panel being located outside the second anti-theft panel, and a limiting groove being formed between the first anti-theft panel and the second anti-theft panel; an anti-theft lock piece detachably disposed on the lower cover through an easily tearable portion, the anti-theft lock piece movably passing through the limiting groove, a third fastening member being disposed on the anti-theft lock piece, and a fourth fastening member capable of fastening with the third fastening member being disposed on the first anti-theft panel. The third fastening member and the fourth fastening member are fastened to fix the upper cover on the lower cover.
[0013] According to some embodiments of the present utility model, a plurality of fifth fastening members are disposed on the anti-theft lock piece, and a sixth fastening member capable of fastening with the fifth fastening member is disposed on the first anti-theft panel. The number of the sixth fastening members corresponds to the number of the fifth fastening members, and each fifth fastening member is correspondingly provided with a sixth fastening member. The fifth fastening member and the sixth fastening member are fastened to fix the anti-theft lock piece on the upper cover.
[0014] According to some embodiments of the present utility model, the lower cover is provided with a first blocking member, a first guiding portion is disposed at the lower end of the first blocking member, the anti-theft lock piece is provided with a second blocking member, a second guiding portion is disposed at the upper end of the second blocking member, the first blocking member is located above the second blocking member, and the first blocking member and the second blocking member are used to urge the fifth fastening member and the sixth fastening member to be fastened. The first guiding portion and the second guiding portion are used to guide the separation of the anti-theft lock piece from the lower cover.
[0015] According to some embodiments of the present utility model, an identification portion is disposed on the anti-theft lock piece, the identification portion is located at one end of the anti-theft lock piece away from the lower cover, and the identification portion is used to indicate the unopened state of the milk powder cover.
[0016] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The present utility model will be further described below in conjunction with the drawings and embodiments;
[0018] Figure 1 is a schematic structural view of the fully sealed milk powder cover according to the embodiment of the present utility model;
[0019] Figure 2 is Figure 1 a schematic structural view of the hidden upper cover in
[0020] Figure 3 is Figure 1 a sectional view of the opening component in
[0021] Figure 4 is Figure 1Cross-sectional view of the anti-theft component;
[0022] Figure 5 is Figure 3 Enlarged schematic view of location A in [diagram name];
[0023] Figure 6 is Figure 3 Enlarged schematic view of location B in [diagram name];
[0024] Figure 7 is Figure 4 Enlarged schematic view of location C in [diagram name].
[0025] Reference numerals:
[0026] Lower cover 100, first blocking member 110, first guiding portion 111;
[0027] Upper cover 200;
[0028] Opening component 300, first fastening member 310, second fastening member 320, pressing member 321,
[0029] Anti-theft component 400, first anti-theft panel 410, second anti-theft panel 420, anti-theft lock piece 430, third fastening member 431, fourth fastening member 432, fifth fastening member 433, sixth fastening member 434, second blocking member 440, second guiding portion 441, marking portion 450;
[0030] Sealing component 500, first sealing channel 510, second sealing channel 520, first sealing member 530, second sealing member 540, third sealing member 550, first step 560, first panel 561, second panel 562, second step 570, third panel 571. Detailed implementation manners
[0031] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The role of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention. However, it should not be construed as a limitation on the protection scope of the present invention.
[0032] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the present invention.
[0033] In the description of the present utility model, the meaning of "several" is one or more, the meaning of "multiple" is more than two, and understandings such as "greater than", "less than", "exceeding", etc. do not include the corresponding number, while understandings such as "above", "below", "within", etc. include the corresponding number. If there is a description of "first time", "second time", etc., it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.
[0034] In the description of the present utility model, unless otherwise clearly defined, words such as "set", "installed", "connected", etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.
[0035] Reference Figures 1 to 7 Describe a fully sealed milk powder lid according to an embodiment of the present utility model.
[0036] As Figures 1 to 7 As shown, the fully sealed milk powder lid includes a lower lid 100; an upper lid 200, the upper lid 200 is rotatably arranged on the lower lid 100; an opening assembly 300, the opening assembly 300 is connected to the lower lid 100, the opening assembly 300 is connected to the upper lid 200, and the opening assembly 300 is used for buckling and opening the upper lid 200 and the lower lid 100; two anti-theft components 400, the two anti-theft components 400 are symmetrically arranged at opposite ends of the upper lid 200, the two anti-theft components 400 are both connected to the upper lid 200, the two anti-theft components 400 are respectively located on both sides of the opening assembly 300, and the anti-theft components 400 are used to prevent the product from being opened illegally; a sealing assembly 500, the sealing assembly 500 is connected to the lower lid 100, the sealing assembly 500 is connected to the upper lid 200, and the sealing assembly 500 includes a first sealing channel 510 and a second sealing channel 520 arranged circumferentially between the upper lid 200 and the lower lid 100, the first sealing channel 510 and the second sealing channel 520 are coaxially arranged, and the first sealing channel 510 is arranged through the second sealing channel 520.
[0037] As Figure 1 As shown, the lower lid 100 is rotatably arranged on the upper lid 200, the opening assembly 300 is arranged at the front ends of the upper lid 200 and the lower lid 100, and the two anti-theft components 400 are respectively arranged at the left and right ends of the upper lid 200 and the lower lid 100. Specifically, a first sealing channel 510 and a second sealing channel 520 are arranged between the upper lid 200 and the lower lid 100. As Figure 3 and Figure 6As shown, the first sealing channel 510 and the second sealing channel 520 are coaxially arranged, and the second sealing channel 520 is arranged outside the first sealing channel 510. Thus, sealing is carried out through the coaxially arranged first sealing channel 510 and second sealing channel 520 to provide a better sealing effect, reduce the entry of air and moisture into the milk powder can, effectively maintain the freshness and dryness of the milk powder, and at the same time, the sealing channel reduces the contact between the milk powder and the external environment, reducing the risk of the milk powder deteriorating due to external factors.
[0038] In some specific embodiments of the present utility model, the sealing assembly 500 includes: a first seal 530, a second seal 540, and a third seal 550. The first seal 530, the second seal 540, and the third seal 550 are all arranged coaxially in a ring shape on the lower cover 100. The first seal 530, the second seal 540, and the third seal 550 are located at one end of the upper cover 200 close to the lower cover 100 and extend in the direction close to the lower cover 100. The first seal 530, the second seal 540, and the third seal 550 are arranged in sequence from the inside to the outside; a first step 560 and a second step 570. The first step 560 and the second step 570 are both arranged coaxially in a ring shape on the lower cover 100. The first step 560 and the second step 570 are located at one end of the lower cover 100 close to the upper cover 200. The upper cover 200, the first step 560, the first seal 530, and the second seal 540 enclose to form the first sealing channel 510, and the upper cover 200, the second step 570, the second seal 540, and the third seal 550 enclose to form the second sealing channel 520.
[0039] As Figure 3 and Figure 6 As shown, the first seal 530 and the second seal 540 are vertically arranged and are both arranged circumferentially at the lower end of the upper cover 200, where the second seal 540 is located outside the first seal 530. The first step 560 and the second step 570 are vertically arranged and are both arranged circumferentially at the upper end of the lower cover 100, where the second step 570 is located outside the first step 560. The first seal 530, the second seal 540, the upper cover 200, and the first step 560 enclose each other to form a ring-shaped first sealing channel 510, and the second seal 540, the third seal 550, the upper cover 200, and the second step 570 enclose each other to form a ring-shaped second sealing channel 520.
[0040] In some specific embodiments of the present utility model, the first step 560 includes: a first panel 561, which is circumferentially arranged on the lower cover 100, and the first panel 561 is perpendicular to the upper cover 200; a second panel 562, which is circumferentially arranged on the lower cover 100, and the second panel 562 is perpendicular to the upper cover 200. The second panel 562 is connected to the first panel 561 through a first connecting member. The first panel 561 and the second panel 562 are coaxially arranged, and the second panel 562 is sleeved on the outside of the second panel 562. The first sealing member 530, the upper cover 200, the first panel 561, the second panel 562, and the first connecting member enclose a first sealing channel 510.
[0041] In some specific embodiments of the present utility model, the second step 570 includes a third panel 571, which is circumferentially arranged on the lower cover 100, and the third panel 571 is perpendicular to the upper cover 200. The third panel 571 and the second panel 562 are coaxially arranged, and the third panel 571 is sleeved on the outside of the second panel 562. The third panel 571 is connected to the second panel 562 through a second connecting member. The third panel 571 is located on the side of the second panel 562 away from the upper cover 200. The second sealing member 540, the upper cover 200, the second panel 562, the third panel 571, and the second connecting member enclose a second sealing channel 520.
[0042] As Figure 3 and Figure 6 shown, the first panel 561, the second panel 562, and the third panel 571 are vertically arranged on the lower cover 100. The first panel 561 is connected to the second panel 562 through a first connecting member. Among them, the first connecting member is an annular arc surface with a cross-sectional area gradually increasing in the direction away from the upper cover 200. The second panel 562 is connected to the third panel 571 through a second connecting member, and the second connecting member is a horizontally arranged annular plane. Thus, the first sealing member 530, the upper cover 200, the first panel 561, the second panel 562, and the first connecting member enclose a first sealing channel 510, and the second sealing member 540, the upper cover 200, the second panel 562, the third panel 571, and the second connecting member enclose a second sealing channel 520. A double-layer protection is formed between the two, thereby effectively preventing air, moisture, and odor from entering the milk powder can and maintaining the freshness and taste of the milk powder.
[0043] In some specific embodiments of the present utility model, the opening assembly 300 includes a first fastening member 310 and a second fastening member 320. The first fastening member 310 is arranged on the lower cover 100, and the second fastening member 320 is movably arranged on the upper cover 200. The first fastening member 310 and the second fastening member 320 are fastened to lock the upper cover 200 and the lower cover 100.
[0044] In some specific embodiments of the present utility model, the second fastening member 320 is movably connected to the lower cover 100 through a connecting member. A pressing member 321 is provided on the second fastening member 320. The pressing member 321 is located at one end of the connecting member opposite to the second fastening member 320. The pressing member 321 is used to control the second fastening member 320 to move away from and close to the first fastening member 310.
[0045] As Figure 3 and Figure 5 shown, the first fastening member 310 is a protrusion provided on the lower cover 100, the second fastening member 320 is a fastening plate movably provided on the upper cover 200, and the pressing member 321 is a pressing plate provided at the upper end of the fastening plate. Among them, a groove that can be fastened to the protrusion is provided on the fastening plate. The fastening plate and the pressing plate are integrally provided and are rotatably provided on the upper cover 200 through a connecting member provided at the connection. Press the pressing plate to the right, and the fastening plate rotates to the left to disengage the groove from the protrusion, so as to realize the separation of the upper cover 200 and the lower cover 100.
[0046] In some specific embodiments of the present utility model, the anti-theft component 400 includes: a first anti-theft panel 410 provided on the upper cover 200; a second anti-theft panel 420 provided on the upper cover 200. The first anti-theft panel 410 is located outside the second anti-theft panel 420, and a limiting groove is formed between the first anti-theft panel 410 and the second anti-theft panel 420; an anti-theft lock piece 430 is detachably provided on the lower cover 100 through an easily torn part. The anti-theft lock piece 430 movably passes through the limiting groove. A third fastening member 431 is provided on the anti-theft lock piece 430, and a fourth fastening member 432 capable of being fastened to the third fastening member 431 is provided on the first anti-theft panel 410. The third fastening member 431 and the fourth fastening member 432 are fastened to fix the upper cover 200 on the lower cover 100.
[0047] In some specific embodiments of the present utility model, a plurality of fifth fastening members 433 are provided on the anti-theft lock piece 430, and a sixth fastening member 434 capable of being fastened to the fifth fastening members 433 is provided on the first anti-theft panel 410. The number of the sixth fastening members 434 corresponds to the number of the fifth fastening members 433. Each fifth fastening member 433 is correspondingly provided with a sixth fastening member 434. The fifth fastening members 433 and the sixth fastening members 434 are fastened to fix the anti-theft lock piece 430 on the upper cover 200.
[0048] In some specific embodiments of the present utility model, an identification portion 450 is provided on the anti-theft lock piece 430. The identification portion 450 is located at one end of the anti-theft lock piece 430 away from the lower cover 100. The identification portion 450 is used to indicate the unopened state of the milk powder cover.
[0049] As Figure 1 、 Figure 2 、Figure 4 and Figure 7 As shown in Figure 7 , the anti-theft lock piece 430 is located in the limit groove. The anti-theft lock piece 430 is detachably arranged on the lower cover 100 through the tearable part. Among them, the first anti-theft panel 410 is located outside the second anti-theft panel 420, that is, the first anti-theft panel 410 is located on the side away from the axis of the upper cover 200. In this specific embodiment, the third fastening part 431 is the first protrusion, the fourth fastening part 432 is the first through groove, the fifth fastening part 433 is the second protrusion, and the sixth fastening part 434 is the second through groove. Specifically, the first anti-theft panel 410 is successively provided with a first through groove and a second through groove in the vertical direction. Correspondingly, the anti-theft lock piece 430 is provided with a first protrusion and a second protrusion in the vertical direction. A marking part 450 is arranged on the lower side of the second protrusion. Thus, the first through groove is fastened to the first protrusion to lock the lower cover 100 and the upper cover 200. At this time, the marking part 450 is exposed to indicate the unopened state of the upper cover 200. Flip the upper cover 200 to break the tearable part, and the anti-theft lock piece 430 is separated from the lower cover 100. The first through groove and the first protrusion maintain the fastening state, so that the anti-theft lock piece 430 is fixed on the upper cover 200, thereby further preventing the anti-theft lock piece 430 from falling during the first opening of the anti-theft cover and causing pollution to the environment. The anti-theft lock piece 430 is fixed in the upper cover 200 to realize the collection of the anti-theft lock piece 430.
[0050] In some specific embodiments of the present invention, the lower cover 100 is provided with a first blocking part 110. A first guiding part 111 is arranged at the lower end of the first blocking part 110. The anti-theft lock piece 430 is provided with a second blocking part 440. A second guiding part 441 is arranged at the upper end of the second blocking part 440. The first blocking part 110 is located above the second blocking part 440. The first blocking part 110 and the second blocking part 440 are used to prompt the fifth fastening part 433 and the sixth fastening part 434 to be fastened. The first guiding part 111 and the second guiding part 441 are used to guide the separation of the anti-theft lock piece 430 from the lower cover 100.
[0051] As Figure 1 and Figure 2As shown in the figure, a first blocking member 110 is provided on the lower cover 100, and a second blocking member 440 is provided on the anti-theft lock piece 430. A first guiding portion 111 is provided at the lower end of the first blocking member 110, and a second guiding portion 441 is provided at the upper end of the second blocking member 440. Specifically, two first blocking members 110 are provided, and the two first blocking members 110 are located on both sides of the anti-theft lock piece 430. In this specific embodiment, the first blocking member 110 is a horizontally arranged rib, and the ribs on both sides are arranged facing each other. The first guiding portion 111 is a chamfered corner structure located at the lower end of the rib. Correspondingly, two second blocking members 440 are also provided, and the two second blocking members 440 are located on both sides of the anti-theft lock piece 430. In this specific embodiment, the second blocking member 440 is also a horizontally arranged rib, and the second guiding portion 441 is a chamfered corner structure located on the upper side of the rib. When the upper cover 200 has not been opened, the second blocking member 440 is located below the first blocking member 110. Flip the upper cover 200 to break the tearable portion, and the first blocking member 110 and the second blocking member 440 slide up and down through the first guiding portion 111 and the second guiding portion 441, and the anti-theft lock piece 430 is separated from the lower cover 100. Then, for the first time, flip the upper cover 200 downward to close the package. The first blocking member 110 abuts against the second blocking member 440. At this time, the first blocking member 110 gives an upward acting force to the second blocking member 440, and the anti-theft lock piece 430 moves upward relative to the upper cover 200 under the abutment of the first blocking member 110, and the second protrusion is successfully engaged with the second through groove. That is, when the upper cover 200 is closed for the first time after it is opened for the first time, the anti-theft lock piece 430 can be moved relative to the upper cover 200 while the cover is being closed to block the identification portion 450, indicating that the anti-theft lock piece 430 has been damaged and the package has been opened.
[0052] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the technical field, various changes can be made without departing from the purpose of the present invention.
Claims
1. A fully sealed milk powder lid, characterized in that, Comprising: Lower cover (100); Upper cover (200), the upper cover (200) is flip - pivotally arranged on the lower cover (100); Opening assembly (300), the opening assembly (300) is connected to the lower cover (100), the opening assembly (300) is connected to the upper cover (200), and the opening assembly (300) is used for fastening and opening the upper cover (200) and the lower cover (100); Two anti - theft components (400), the two anti - theft components (400) are symmetrically arranged at opposite ends of the upper cover (200), the two anti - theft components (400) are both connected to the upper cover (200), the two anti - theft components (400) are respectively located on both sides of the opening assembly (300), and the anti - theft component (400) is used to prevent the product from being pried open; Sealing assembly (500), the sealing assembly (500) is connected to the lower cover (100), the sealing assembly (500) is connected to the upper cover (200), the sealing assembly (500) includes a first sealing channel (510) and a second sealing channel (520) circumferentially arranged between the upper cover (200) and the lower cover (100), the first sealing channel (510) and the second sealing channel (520) are coaxially arranged, and the first sealing channel (510) penetrates through the second sealing channel (520).
2. The fully-sealed milk powder lid according to claim 1, wherein The sealing assembly (500) includes: A first seal (530), a second seal (540) and a third seal (550), the first seal (530), the second seal (540) and the third seal (550) are all annularly and coaxially arranged on the lower cover (100), the first seal (530), the second seal (540) and the third seal (550) are located at one end of the upper cover (200) close to the lower cover (100) and extend towards the lower cover (100), and the first seal (530), the second seal (540) and the third seal (550) are arranged in sequence from inside to outside; A first step (560) and a second step (570), the first step (560) and the second step (570) are both annularly and coaxially arranged on the lower cover (100), the first step (560) and the second step (570) are located at one end of the lower cover (100) close to the upper cover (200), and the upper cover (200), the first step (560), the first seal (530) and the second seal (540) enclose to form the first sealing channel (510), and the upper cover (200), the second step (570), the second seal (540) and the third seal (550) enclose to form the second sealing channel (520).
3. The fully sealed milk powder lid according to claim 2, wherein, The first step (560) includes: The first panel (561) is circumferentially arranged on the lower cover (100), and the first panel (561) is perpendicular to the upper cover (200). The second panel (562) is circumferentially arranged on the lower cover (100), the second panel (562) is perpendicular to the upper cover (200), the second panel (562) is connected to the first panel (561) through a first connecting member, the first panel (561) and the second panel (562) are coaxially arranged, the second panel (562) is sleeved outside the second panel (562), and the first sealing member (530), the upper cover (200), the first panel (561), the second panel (562) and the first connecting member enclose to form the first sealing channel (510).
4. The fully sealed milk powder lid according to claim 3, characterized in that The second step (570) includes a third panel (571), the third panel (571) is circumferentially arranged on the lower cover (100), the third panel (571) is perpendicular to the upper cover (200), the third panel (571) and the second panel (562) are coaxially arranged, the third panel (571) is sleeved outside the second panel (562), the third panel (571) is connected to the second panel (562) through a second connecting member, the third panel (571) is located on the side of the second panel (562) away from the upper cover (200), and the second sealing member (540), the upper cover (200), the second panel (562), the third panel (571) and the second connecting member enclose to form the second sealing channel (520).
5. The fully sealed milk powder lid according to claim 1, characterized in that, The opening assembly (300) includes a first fastening member (310) and a second fastening member (320), the first fastening member (310) is arranged on the lower cover (100), the second fastening member (320) is movably arranged on the upper cover (200), and the first fastening member (310) and the second fastening member (320) are fastened to lock the upper cover (200) and the lower cover (100).
6. The fully-sealed milk powder lid according to claim 5, wherein The second fastening member (320) is movably connected to the lower cover (100) through a connecting member, a pressing member (321) is arranged on the second fastening member (320), the pressing member (321) is located at one end of the connecting member opposite to the second fastening member (320), and the pressing member (321) is used to control the second fastening member (320) to move away from and close to the first fastening member (310).
7. The fully sealed milk powder lid according to claim 1, wherein The anti-theft assembly (400) includes: A first anti-theft panel (410) arranged on the upper cover (200); A second anti-theft panel (420), the second anti-theft panel (420) is arranged on the upper cover (200), the first anti-theft panel (410) is located outside the second anti-theft panel (420), and a limiting groove is formed between the first anti-theft panel (410) and the second anti-theft panel (420); An anti-theft lock piece (430), the anti-theft lock piece (430) is detachably arranged on the lower cover (100) through an easily tearable part, the anti-theft lock piece (430) movably penetrates through the limiting groove, a third fastening part (431) is arranged on the anti-theft lock piece (430), and a fourth fastening part (432) capable of fastening with the third fastening part (431) is arranged on the first anti-theft panel (410). The third fastening part (431) and the fourth fastening part (432) are fastened to fix the upper cover (200) on the lower cover (100).
8. The fully sealed milk powder lid according to claim 7, wherein, A plurality of fifth fastening parts (433) are arranged on the anti-theft lock piece (430), and sixth fastening parts (434) capable of fastening with the fifth fastening parts (433) are arranged on the first anti-theft panel (410). The number of the sixth fastening parts (434) corresponds to the number of the fifth fastening parts (433), and each of the fifth fastening parts (433) is correspondingly provided with one of the sixth fastening parts (434). The fifth fastening parts (433) and the sixth fastening parts (434) are fastened to fix the anti-theft lock piece (430) on the upper cover (200).
9. The fully sealed milk powder lid according to claim 8, characterized in that, The lower cover (100) is provided with a first blocking part (110), a first guiding part (111) is arranged at the lower end of the first blocking part (110), the anti-theft lock piece (430) is provided with a second blocking part (440), a second guiding part (441) is arranged at the upper end of the second blocking part (440), the first blocking part (110) is located above the second blocking part (440), the first blocking part (110) and the second blocking part (440) are used to promote the fastening of the fifth fastening part (433) and the sixth fastening part (434), and the first guiding part (111) and the second guiding part (441) are used to guide the separation of the anti-theft lock piece (430) from the lower cover (100).
10. The fully sealed milk powder lid according to claim 7, characterized in that An identification part (450) is arranged on the anti-theft lock piece (430), the identification part (450) is located at one end of the anti-theft lock piece (430) away from the lower cover (100), and the identification part (450) is used to indicate the unopened state of the milk powder cover.