A powder bin and powder brewing machine
By designing a rotatable powder box structure and sealing components, the problem of water vapor entering the powder mixing machine in reverse was solved, achieving moisture prevention and quantitative powder dispensing, thus improving powder quality and beverage safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG XINBAO ELECTRICAL APPLIANCES HLDG CO LTD
- Filing Date
- 2025-09-22
- Publication Date
- 2026-08-04
AI Technical Summary
Existing powder mixing machines are prone to water vapor entering the powder box during the mixing process, causing the powder to become damp and clump, affecting the shelf life and taste of the beverage, and is especially harmful to infant formula.
Design a powder box structure with an inner box that can rotate to open or close the powder outlet. Combined with a sealing element and an annular protrusion, a seal is formed to prevent water vapor from entering. A powder scraper is used to achieve quantitative powder dispensing.
It effectively prevents water vapor from entering the powder box, avoids powder from getting damp and clumping, ensures powder quality, improves the taste of beverages, and is especially important for the safety of infant formula.
Smart Images

Figure CN224589744U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of powder mixing machine technology, and specifically to a powder box and powder mixing machine. Background Technology
[0002] Existing powder mixing machines typically include a casing and a powder tank, water tank, and mixing chamber housed within the casing. The powder tank has a powder outlet, the mixing chamber is located directly below the powder outlet, and the water outlet pipe of the water tank is connected to the mixing chamber, allowing the powder in the powder tank to fall into the mixing chamber through the powder outlet and mix with the water from the water tank to form the desired beverage. However, existing powder mixing machines have the following problems: because powder mixing machines can perform multiple automatic mixing operations continuously, the powder tank will store a large amount of powder. However, during the mixing process, water vapor can easily enter the powder tank through the powder outlet in reverse, causing the powder in the powder tank to become damp, clump, shorten the shelf life of the powder, and even cause the powder to deteriorate rapidly in a short period of time, affecting the taste of the mixed beverage. Furthermore, when this powder mixing machine is used to prepare infant formula, it can easily accelerate the moisture absorption and spoilage of the formula in the powder box. When the formula is damp and spoiled, it is very easy for a large number of bacteria to grow, which can easily cause gastrointestinal discomfort in infants after they drink the prepared formula, seriously affecting their health.
[0003] The utility model patent with authorization announcement number CN211432363U discloses a powder storage cylinder. This prior art has a rotatable sealing element set in the cylinder body. When the sealing element rotates to the powder outlet, it closes the powder outlet, which can prevent water vapor from entering through the powder outlet and coming into contact with the powder, causing the powder to become damp and clump. However, the sealing element of this prior art is set in the cylinder body and comes into contact with the powder. Powder will stick to the sealing element. When the sealing element rotates, it will carry the powder into the space between the sealing element and the cylinder body, thereby affecting the sealing effect of the powder outlet.
[0004] Therefore, there is still room for improvement and development in existing technologies. Utility Model Content
[0005] To address the problems of existing technologies, this utility model provides a powder box and a powder mixing machine. When the inner box rotates to the point where powder outlet 2 corresponds to powder outlet 1, powder outlet 2 and powder outlet 1 are opened, allowing the powdered food in the receiving cavity to be discharged through powder outlet 2 and powder outlet 1. When powder outlet 2 and powder outlet 1 are misaligned, powder outlet 2 and powder outlet 1 are closed, preventing the powdered food in the receiving cavity from being discharged. Furthermore, the sealing element prevents water vapor from entering the inner box.
[0006] To achieve the above objectives, the technical solution applied in this utility model is as follows:
[0007] A powder container includes an outer casing with a powder outlet through its bottom; and an inner casing rotatably mounted within the outer casing, the inner casing having a cavity for containing powdered food, and a second powder outlet through its bottom, the second powder outlet corresponding to the first powder outlet; when the inner casing rotates to the point where the second powder outlet aligns with the first powder outlet, both powder outlets are opened; when the inner casing rotates to the point where the second powder outlet is misaligned with the first powder outlet, both powder outlets are closed; a sealing element is provided in the gap between the outer wall of the bottom of the inner casing and the inner wall of the bottom of the outer casing. With this configuration, when the inner chamber rotates to the point where powder outlet 2 aligns with powder outlet 1, both powder outlet 2 and powder outlet 1 are opened, allowing the powdered food in the container to exit through powder outlet 2 and powder outlet 1. When powder outlet 2 and powder outlet 1 are misaligned, both powder outlet 2 and powder outlet 1 are closed, preventing the powdered food in the container from exiting. Furthermore, the sealing mechanism prevents water vapor from entering the inner chamber.
[0008] According to the above scheme, the sealing element is fixed to the outer wall of the bottom of the inner box. The sealing element has an annular protrusion, which is arranged around the outer periphery of the second powder outlet. When the inner box rotates to the point where the second powder outlet is misaligned with the first powder outlet, the annular protrusion abuts against the inner wall of the bottom of the outer box and forms an interference fit. With this arrangement, when the second powder outlet is misaligned with the first powder outlet, the annular protrusion and the inner wall of the bottom of the outer box form a seal, thereby completely sealing the second powder outlet and preventing water vapor from entering the inner box.
[0009] According to the above scheme, the bottom outer wall of the inner box is provided with a rim and a snap-fit part. The rim is arranged around the outer periphery of the second powder outlet and forms a second mounting groove. The annular protrusion is installed in the second mounting groove. The sealing element is provided with a second mounting part, which cooperates with the snap-fit part for locking. With this arrangement, by circling the second powder outlet and forming the second mounting groove, when the annular protrusion is installed in the second mounting groove, the outer periphery of the second powder outlet can be surrounded. When the second powder outlet is misaligned with the first powder outlet, the annular protrusion forms a seal with the inner wall of the bottom of the outer box, thereby completely sealing the second powder outlet.
[0010] According to the above scheme, a rotatable rotating component is provided on the bottom of the outer casing, and the rotating component is provided with a locking part and an external gear ring. A column is provided on the bottom of the inner casing, and the column is provided with a buckle. The locking part and the buckle are engaged and locked. With this arrangement, the rotating component and the inner casing are fixedly connected by the engaging locking part and the buckle. The rotating component is provided with an external gear ring, which can be used to connect an external drive device, thereby enabling the rotating component to drive the inner casing to rotate through the drive device.
[0011] According to the above scheme, the column body is provided with a mounting part one, the bottom of the outer casing is provided with a clearance hole one corresponding to the column body, and the rotating part is provided with a clearance hole two corresponding to the column body. With this arrangement, under the action of clearance hole one and clearance hole two, the column body can pass through the outer casing and then be connected to an external drive device through the mounting part one, thereby realizing the drive device to drive the column body to rotate the inner casing.
[0012] According to the above scheme, the inner box is equipped with a powder scraping bracket, and the powder scraping bracket is equipped with a powder scraping plate. The powder scraping plate abuts against the inner wall of the bottom of the inner box and is located above the powder outlet. A locking component is provided between the powder scraping bracket and the outer box. With this configuration, when the inner box rotates, the powder scraping bracket and the outer box will not rotate. Under the action of the powder scraping plate, the powder can be scraped into the powder outlet, forming a quantitative powder dispensing.
[0013] According to the above scheme, the powder scraper bracket is provided with a mounting groove and a through hole, the powder scraper is installed in the mounting groove, and the inner box is provided with a boss that is movably connected to the through hole.
[0014] According to the above scheme, the locking assembly includes a protrusion on the powder scraper bracket and a recessed platform on the outer casing, which are engaged in locking. This arrangement ensures that the powder scraper bracket is fixedly connected to the outer casing, and that the powder scraper bracket and the outer casing will not rotate when the inner casing rotates.
[0015] According to the above scheme, the outer casing is equipped with a detachable lid, which has a latch and an annular groove. A sealing ring is installed in the annular groove, and the outer casing has a slot. The latch engages with the slot. This design ensures that when the lid is attached to the outer casing, the sealing ring seals the opening of the outer casing, preventing external moisture and dust from entering the cavity and thus avoiding moisture absorption, clumping, and dust contamination of powdered food. The latch and slot are connected by a screw-on mechanism, facilitating easy assembly and disassembly. Specifically, during assembly, the lid is placed on the outer casing, and rotating the lid screws the latch into the slot. During disassembly, simply rotating the lid in the opposite direction disengages the latch from the slot.
[0016] The powder mixing machine described in this utility model includes the powder box mentioned above.
[0017] The beneficial effects of this utility model are:
[0018] This invention is designed such that when the inner chamber rotates to the point where powder outlet 2 corresponds to powder outlet 1, powder outlet 2 and powder outlet 1 are opened, allowing the powdered food in the containing cavity to exit through powder outlet 2 and powder outlet 1; when powder outlet 2 and powder outlet 1 are misaligned, powder outlet 2 and powder outlet 1 are closed, preventing the powdered food in the containing cavity from exiting, and the sealing element prevents water vapor from entering the inner chamber. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the powder box of this utility model;
[0020] Figure 2 This is an exploded view of the powder box of this utility model;
[0021] Figure 3 This is a schematic diagram of the interior of the outer casing of this utility model;
[0022] Figure 4 This is a schematic diagram of the interior of the inner box of this utility model;
[0023] Figure 5 This is a schematic diagram of the sealing element of this utility model;
[0024] Figure 6 This is a bottom view of the inner box of this utility model;
[0025] Figure 7 This is a schematic diagram of the assembly of the inner box and sealing components of this utility model;
[0026] Figure 8 This is a schematic diagram of the rotating component of this utility model;
[0027] Figure 9 This is a schematic diagram of the powder scraper bracket of this utility model;
[0028] Figure 10 This is a schematic diagram of the box lid of this utility model;
[0029] Figure 11 This is a diagram showing the two states of the powder box with the powder outlet open in this utility model.
[0030] Figure 12 This is a diagram showing the two states of the powder box with the powder outlet closed according to this utility model.
[0031] In the picture:
[0032] 1. Box lid; 11. Lock; 12. Annular groove; 2. Outer box; 21. Recessed platform; 22. Slot; 23. Clearance hole one; 24. Powder outlet one; 3. Sealing ring; 4. Powder scraper; 5. Powder scraper bracket; 51. Mounting groove one; 52. Through hole; 53. Protrusion; 6. Inner box; 61. Mounting groove two; 62. Column; 63. Edge; 64. Buckle; 65. Snap-fit part; 66. Powder outlet two; 67. Boss; 68. Mounting part one; 69. Receiving cavity; 7. Sealing element; 71. Annular protrusion; 72. Mounting part two; 9. Rotating part; 91. Locking part; 92. Clearance hole two; 93. External gear ring. Detailed Implementation
[0033] The technical solution of this utility model will be described below with reference to the accompanying drawings and embodiments.
[0034] like Figures 1 to 12 As shown, the powder box of this utility model includes an outer box 2, with a powder outlet 24 penetrating through the bottom of the outer box 2; and an inner box 6, which is rotatably installed inside the outer box 2. The inner box 6 has a cavity 69 formed inside for containing powdered food, and a second powder outlet 66 penetrating through the bottom of the inner box 6. The second powder outlet 66 and the first powder outlet 24 are correspondingly arranged. When the inner box 6 rotates to the point where the second powder outlet 66 corresponds to the first powder outlet 24, the second powder outlet 66 and the first powder outlet 24 are opened. When the inner box 6 rotates to the point where the second powder outlet 66 and the first powder outlet 24 are misaligned, the second powder outlet 66 and the first powder outlet 24 are closed. A sealing element 7 is provided in the gap between the bottom outer wall of the inner box 6 and the bottom inner wall of the outer box 2. With this configuration, when the inner chamber 6 rotates to the point where the second powder outlet 66 corresponds to the first powder outlet 24, the second powder outlet 66 and the first powder outlet 24 are opened. At this time, the powdered food in the receiving cavity 69 can be discharged through the second powder outlet 66 and the first powder outlet 24. When the second powder outlet 66 and the first powder outlet 24 are misaligned, the second powder outlet 66 and the first powder outlet 24 are closed. At this time, the powdered food in the receiving cavity 69 cannot be discharged, and under the action of the sealing element 7, water vapor can be prevented from entering the inner chamber 6.
[0035] The sealing element 7 is placed in the gap between the bottom outer wall of the inner box 6 and the bottom inner wall of the outer box 2 to avoid contact with powdered food and affect the sealing effect.
[0036] Furthermore, the sealing element 7 is fixed to the bottom outer wall of the inner housing 6. The sealing element 7 is provided with an annular protrusion 71, which is arranged around the outer periphery of the powder outlet 2 66. When the inner housing 6 rotates to the point where the powder outlet 2 66 is misaligned with the powder outlet 1 24, the annular protrusion 71 abuts against the bottom inner wall of the outer housing 2 and forms an interference fit. With this arrangement, when the powder outlet 2 66 is misaligned with the powder outlet 1 24, the annular protrusion 71 and the bottom inner wall of the outer housing 2 form a seal, thereby completely sealing the powder outlet 2 66 and preventing water vapor from entering the inner housing 6.
[0037] Among them, there are three annular protrusions 71 and three powder outlets 66.
[0038] Among them, the sealing element 7 is made of soft materials such as silicone or foam to achieve a better sealing effect.
[0039] Furthermore, the bottom outer wall of the inner casing 6 is provided with a perimeter 63 and a snap-fit part 65. The perimeter 63 is arranged around the outer circumference of the second powder outlet 66 and forms a second mounting groove 61. The annular protrusion 71 is installed in the second mounting groove 61. The sealing member 7 is provided with a second mounting part 72, which engages with the snap-fit part 65. With this arrangement, by arranging the perimeter 63 around the outer circumference of the second powder outlet 66 and forming the second mounting groove 61, when the annular protrusion 71 is installed in the second mounting groove 61, the outer circumference of the second powder outlet 66 can be completely enclosed (i.e., the maximum size outline of the second powder outlet 66 is located within the maximum size outline of the annular protrusion 71). When the second powder outlet 66 is misaligned with the first powder outlet 24, the annular protrusion 71 forms a seal with the bottom inner wall of the outer casing 2, thereby completely sealing the second powder outlet 66.
[0040] In this configuration, the sealing element 7 is fixed to the inner housing 6 by the engagement of the mounting part 72 and the snap-fit part 65, preventing it from dislodging. When the inner housing 6 rotates, the sealing element 7 rotates synchronously.
[0041] Furthermore, the bottom of the outer casing 2 is provided with a rotatable rotating component 9, which has a locking part 91 and an external gear ring 93. The bottom of the inner casing 6 is provided with a column 62, which has a latch 64. The locking part 91 and the latch 64 are engaged. With the locking part 91 and the latch 64 engaged, the rotating component 9 and the inner casing 6 are fixedly connected. The external gear ring 93 on the rotating component 9 can be used to connect an external drive device, thereby enabling the rotating component 9 to rotate and drive the inner casing 6 to rotate via the drive device.
[0042] Preferably, the drive device includes external linkage components such as gears and racks that are linked with the external gear ring 93.
[0043] Furthermore, the column 62 is provided with a mounting part 68, the bottom of the outer housing 2 is provided with a clearance hole 23 corresponding to the column 62, and the rotating component 9 is provided with a clearance hole 92 corresponding to the column 62. With this arrangement, under the action of the clearance holes 23 and 92, the column 62 can pass through the outer housing 2 and be connected to an external drive device via the mounting part 68, thereby enabling the drive device to drive the column 62 to rotate the inner housing 6.
[0044] Among them, the rotating part 9, the outer box 2, and the inner box 6 are arranged coaxially.
[0045] The drive device preferably includes a motor, a drive shaft, and a mounting part 68 that are connected for transmission.
[0046] In practical applications, the inner housing 6 can rotate by driving the rotating component 9 through a drive device, or by driving the column 62 through a drive device; or by driving the inner housing 6 through a drive device, which in turn drives the rotating component 9 to rotate, and then the inner housing 6 is linked with the outer gear ring 93 through external linkage components such as gears and racks.
[0047] Furthermore, the inner casing 6 is equipped with a powder scraping bracket 5, and a powder scraping plate 4 is mounted on the powder scraping bracket 5. The powder scraping plate 4 abuts against the inner wall of the bottom of the inner casing 6 and is located above the powder outlet 24. A locking assembly is provided between the powder scraping bracket 5 and the outer casing 2. With this configuration, when the inner casing 6 rotates, the powder scraping bracket 5 and the outer casing 2 will not rotate. Under the action of the powder scraping plate 4, the powder can be scraped into the powder outlet 66, forming a quantitative powder dispensing.
[0048] Furthermore, the powder scraper bracket 5 is provided with an installation groove 51 and a through hole 52, the powder scraper 4 is installed in the installation groove 51, and the inner box 6 is provided with a boss 67 that is movably connected to the through hole 52.
[0049] Among them, the through hole 52 is located at the center of the powder scraper bracket 5, and the boss 67 is located at the center of the inner box 6, so that the powder scraper bracket 5 and the inner box 6 are coaxially arranged.
[0050] Furthermore, the locking assembly includes a protrusion 53 on the powder scraper bracket 5 and a recessed platform 21 on the outer casing 2, with the protrusion 53 and the recessed platform 21 engaging in a locking mechanism. This configuration ensures that the powder scraper bracket 5 is fixedly connected to the outer casing 2, and that the powder scraper bracket 5 and the outer casing 2 will not rotate when the inner casing 6 rotates.
[0051] There are three protrusions 53 and three sinkholes 21.
[0052] Furthermore, the outer casing 2 is equipped with a detachable lid 1, which has a latch 11 and an annular groove 12. A sealing ring 3 is installed in the annular groove 12. The outer casing 2 has a slot 22, and the latch 11 engages with the slot 22. This design ensures that when the lid 1 is mounted on the outer casing 2, the sealing ring 3 seals the opening of the outer casing 2, preventing external moisture and dust from entering the receiving cavity 69, thus avoiding moisture absorption, clumping, and dust contamination of the powdered food. The latch 11 and the slot 22 are connected by a screw-on mechanism, making assembly and disassembly convenient. Specifically, during assembly, the lid 1 is placed on the outer casing 2, and rotating the lid 1 causes the latch 11 to screw into the slot 22 of the outer casing 2. During disassembly, simply rotating the lid 1 in the opposite direction disengages the latch 11 from the slot 22.
[0053] There are three of each of the latches 11 and the slots 22.
[0054] The powder mixing machine described in this utility model includes the powder box mentioned above.
[0055] The embodiments of the present utility model have been described above with reference to the accompanying drawings. However, the present utility model is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of the present utility model without departing from the spirit and scope of the claims, and all of these forms are within the scope of protection of the present utility model.
Claims
1. A powder box, characterized in that, include: The outer casing (2) has a powder outlet (24) extending through its bottom. The inner box (6) is rotatably installed inside the outer box (2). The inner box (6) has a cavity (69) for containing powdered food. A second powder outlet (66) is provided through the bottom of the inner box (6). The second powder outlet (66) and the first powder outlet (24) are provided correspondingly. When the inner box (6) rotates to the point where the second powder outlet (66) corresponds to the first powder outlet (24), the second powder outlet (66) and the first powder outlet (24) are opened; when the inner box (6) rotates to the point where the second powder outlet (66) and the first powder outlet (24) are misaligned, the second powder outlet (66) and the first powder outlet (24) are closed. A sealing element (7) is provided in the gap between the bottom outer wall of the inner box (6) and the bottom inner wall of the outer box (2).
2. A powder box according to claim 1, characterized in that: The sealing element (7) is fixed on the bottom outer wall of the inner box (6). The sealing element (7) is provided with an annular protrusion (71). The annular protrusion (71) is arranged around the outer periphery of the powder outlet two (66). When the inner box (6) rotates to the point where the powder outlet two (66) is misaligned with the powder outlet one (24), the annular protrusion (71) abuts against the bottom inner wall of the outer box (2) and forms an interference fit.
3. A powder box according to claim 2, characterized in that: The bottom outer wall of the inner box (6) is provided with a rim (63) and a snap-fit part (65). The rim (63) is arranged around the outer periphery of the powder outlet (66) and forms an installation groove (61). The annular protrusion (71) is installed in the installation groove (61). The sealing member (7) is provided with an installation part (72). The installation part (72) and the snap-fit part (65) are engaged and locked in place.
4. A powder box according to claim 2, characterized in that: The bottom of the outer box (2) is provided with a rotatable rotating part (9), the rotating part (9) is provided with a locking part (91) and an outer gear ring (93), the bottom of the inner box (6) is provided with a column (62), the column (62) is provided with a buckle (64), and the locking part (91) and the buckle (64) cooperate to lock in place.
5. A powder box according to claim 4, characterized in that: The column (62) is provided with an installation part (68), the bottom of the outer box (2) is provided with a clearance hole (23) corresponding to the column (62), and the rotating part (9) is provided with a clearance hole (92) corresponding to the column (62).
6. A powder box according to claim 2, characterized in that: The inner box (6) is provided with a powder scraping bracket (5), and the powder scraping bracket (5) is provided with a powder scraping plate (4). The powder scraping plate (4) abuts against the inner wall of the bottom of the inner box (6), and the powder scraping plate (4) is located above the powder outlet (24). A locking component is provided between the powder scraping bracket (5) and the outer box (2).
7. A powder box according to claim 6, characterized in that: The powder scraper bracket (5) is provided with an installation groove (51) and a through hole (52). The powder scraper (4) is installed in the installation groove (51). The inner box (6) is provided with a boss (67) that is movably connected to the through hole (52).
8. A powder box according to claim 6, characterized in that: The positioning assembly includes a protrusion (53) on the powder scraper bracket (5) and a recessed platform (21) on the outer casing (2), wherein the protrusion (53) and the recessed platform (21) cooperate to position the component.
9. A powder box according to claim 2, characterized in that: The outer casing (2) is provided with a detachable cover (1), the cover (1) is provided with a buckle (11) and an annular groove (12), a sealing ring (3) is installed in the annular groove (12), and the outer casing (2) is provided with a slot (22), the buckle (11) and the slot (22) cooperate to lock in place.
10. A powder mixing machine, characterized in that: Includes the powder box as described in any one of claims 1-9.