Lip seal structure of exhaust port of food processor and food processor thereof

Abstract

The utility model discloses a kind of lip seal structure of cooking machine exhaust port, be equipped on the cover of cooking machine, exhaust port on cover, lip seal structure includes the movable unit being connected with the cover, sealing plug is equipped in exhaust port, sealing plug middle part is equipped with exhaust passage, the top edge of exhaust passage is equipped with lip edge;Movable unit is equipped with with pressing part, when movable unit closes exhaust port, pressing part and lip edge press against;Lip edge and the inner wall between exhaust passage are equipped with sealing groove, lip edge is formed as the side wall of sealing groove, so that sealing groove is obliquely arranged.The utility model proposes a kind of lip seal structure of cooking machine exhaust port and its cooking machine, by setting lip edge in sealing plug, and then form the mode of sealing groove, so that the water vapor that will be about to overflow will enter the sealing groove, pressure is applied to lip edge, and then increase the pressure between lip edge and pressing part, improve the sealing between lip edge and pressing part, solve the problem of cooking machine cover water seepage.

Description

Technical Field

[0001] This utility model belongs to the field of food processors, specifically relating to a lip sealing structure for the exhaust port of a food processor and the food processor thereof. Background Technology

[0002] Food processors are a common household appliance, widely popular due to their versatility and practicality. Most existing food processors have a heating function, enabling them to cook food that requires heat. However, after cooking, the food is usually temporarily stored inside the processor's cavity, which is sealed. The high temperature of the food increases the internal pressure, posing a safety hazard if the cavity is opened directly, as there is a risk of burns from splattering food due to pressure.

[0003] In the prior art, such as the patent document with publication number CN206910246U, a food processor and its top cover assembly are disclosed. By setting a one-way valve on the top cover assembly, the internal air pressure of the processor is prevented from being too high, and water vapor can also be prevented from flowing back in. However, the one-way valve will automatically open when the air pressure reaches the set value, which will cause water vapor to seep out of the processor, resulting in water leakage from the top cover assembly. Summary of the Invention

[0004] To address the problems in the existing technology, this utility model proposes a lip sealing structure for the exhaust port of a food processor and the food processor itself. By setting a lip inside the sealing plug to form a sealing groove, when the air pressure inside the food processor increases and causes water vapor to overflow, the water vapor will enter the sealing groove and apply pressure to the lip, thereby increasing the pressure between the lip and the pressure-receiving part, improving the sealing performance between the lip and the pressure-receiving part, and solving the problem of water leakage from the food processor lid.

[0005] This invention is implemented as follows: A lip sealing structure for the exhaust port of a food processor is disposed on the lid of the food processor. The lid has an exhaust port. The lip sealing structure includes a movable unit movably connected to the lid. The movable unit has at least two states to open or close the exhaust port. A sealing plug is disposed inside the exhaust port. The sealing plug has a through exhaust channel in the middle. The top edge of the exhaust channel extends downward from the channel opening and towards the center to form a flexible lip. The movable unit has a pressing part corresponding to the lip. When the movable unit closes the exhaust port, the pressing part presses against the lip. The flexible sealing plug allows the lip to undergo flexible deformation under the pressure of the pressing part, thereby making the lip and the pressing part highly fitted. This avoids gaps between the lip and the pressing part due to uneven surfaces, thus improving the sealing performance between the lip and the pressing part.

[0006] A sealing groove is provided between the lip and the inner wall of the exhaust channel. The opening of the sealing groove faces the inside of the exhaust channel, and the lip forms the sidewall of the sealing groove, causing the sealing groove to slope downwards from the outside to the inside. When moisture inside the food processor tends to overflow, it will preferentially enter the sealing groove, thereby increasing the air pressure inside the sealing groove. This causes the lip to fit even closer to the pressure-retaining part. The greater the pressure inside the food processor, the tighter the fit between the lip and the pressure-retaining part. This improves the sealing performance of the lip as the air pressure inside the food processor increases, thus preventing water leakage from the lid due to increased air pressure inside the food processor.

[0007] Preferably, the sealing plug has a recessed mounting groove on its periphery, and the inner wall of the exhaust port has a mounting portion corresponding to the mounting groove. The mounting portion protrudes inward along the radial direction of the exhaust port, so that the mounting portion is engaged within the mounting groove. When the mounting portion is engaged within the mounting groove, the sealing plug and the exhaust port are relatively fixed, preventing the sealing plug from moving up and down, thus avoiding wear of the sealing plug and improving the sealing performance between the sealing plug and the exhaust port.

[0008] Specifically, the upper and lower sides of the mounting part abut against the sides of the mounting groove, thereby increasing the sealing surface area between the sealing plug and the exhaust port, and further improving the sealing performance between the sealing plug and the exhaust port.

[0009] Specifically, the sealing plug is further provided with a plurality of sealing protrusions arranged in parallel along the axial direction on its periphery, and at least one sealing protrusion is provided in the mounting groove. Since the sealing protrusions protrude from the periphery of the sealing plug, when the sealing plug is installed in the exhaust port, the sealing protrusions cause the sealing plug and the exhaust port to have an interference fit, thereby improving the sealing performance between the sealing plug and the exhaust port while also taking into account the ease of installation of the sealing plug.

[0010] Preferably, the bottom of the sealing plug decreases in size from top to bottom, forming a conical first transition portion. Since the upper and lower sides of the mounting portion abut against the sides of the mounting groove, the bottom of the sealing plug needs to undergo elastic deformation during installation. The first transition portion gradually increases the deformation of the sealing plug during installation, reducing the deformation of the sealing plug per unit time, thereby improving the ease of installation of the sealing plug.

[0011] Preferably, the bottom of the pressing part gradually decreases from top to bottom, forming a conical second transition part. According to geometric principles, the hypotenuse of a right triangle is greater than any side, so the conical second transition part increases the sealing area between the pressing part and the sealing plug, further improving the sealing performance of the pressing part.

[0012] Specifically, when the pressing part presses against the lip, the second transition part extends into the exhaust channel and is interference-fitted with the inner wall of the exhaust channel, which further improves the sealing performance of the pressing part when it is pressed and further reduces the risk of water vapor leakage.

[0013] Preferably, the lip is gradually inclined inward from top to bottom, so that the top of the sealing groove forms a pressurized chamber. When the water vapor in the food processor tends to overflow, the water vapor will be temporarily stored in the pressurized chamber and continuously apply pressure to the lip, further increasing the pressure between the lip and the pressing part, thereby improving the sealing performance between the lip and the pressing part.

[0014] Preferably, the top edge of the exhaust port has a rounded transition to prevent the sharp edges of the exhaust port from damaging the sealing plug, thereby reducing the sealing performance of the sealing plug and improving the reliability of the sealing plug.

[0015] A food processor includes a body, a mixing chamber inside the body, a rotatable blade inside the mixing chamber, a cover on the top of the mixing chamber, and the aforementioned lip sealing structure on the cover.

[0016] The beneficial effects of this utility model are:

[0017] This utility model proposes a lip sealing structure for the exhaust port of a food processor and the food processor itself. By setting a lip to form a sealing groove, when water vapor inside the food processor tends to overflow, it will preferentially enter the sealing groove, thereby increasing the air pressure inside the sealing groove. This causes the lip to fit more closely to the pressure-retaining part. The greater the pressure inside the food processor, the tighter the fit between the lip and the pressure-retaining part, thus improving the sealing performance of the lip as the air pressure inside the food processor increases. This avoids the problem of water leakage from the lid caused by increased air pressure inside the food processor. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the installation of the lip sealing structure of this utility model;

[0019] Figure 2 This is a sectional view of the cover body of the lip sealing structure of this utility model;

[0020] Figure 3 This is a cross-sectional view of the sealing plug of the lip sealing structure of this utility model;

[0021] Figure 4 This is a cross-sectional view of the movable unit of the lip sealing structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the food processor of this utility model.

[0023] Figure label:

[0024] 1. Cover; 2. Sealing plug; 3. Movable unit; 4. Body; 11. Exhaust port; 21. Lip; 22. Sealing groove; 23. Mounting groove; 24. Sealing protrusion; 25. First transition section; 26. Exhaust passage; 31. Pressing section; 111. Mounting section; 221. Pressurization chamber; 311. Second transition section. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1

[0027] like Figures 1-4 As shown, a lip sealing structure for the exhaust port of a food processor is provided on the lid 1 of the food processor. The exhaust port 11 on the lid 1 includes a movable unit 3 movably connected to the lid 1. The movable unit 3 has at least two states to open or close the exhaust port 11. A sealing plug 2 is provided inside the exhaust port 11. The sealing plug 2 has a through exhaust channel 26 in the middle. The top edge of the exhaust channel 26 extends downward from the channel opening and towards the center to form a flexible lip 21. The movable unit 3 is provided with a pressing part 31 corresponding to the lip 21. When the movable unit 3 closes the exhaust port 11, the pressing part 31 presses against the lip 21. The flexible sealing plug 2 can make the lip 21 deform flexibly under the pressure of the pressing part 31, thereby making the lip 21 and the pressing part 31 fit closely together. This avoids gaps between the lip 21 and the pressing part 31 due to uneven surfaces, thereby improving the sealing performance between the lip 21 and the pressing part 31.

[0028] In this embodiment, the top edge of the exhaust port 11 is rounded to prevent the edge of the exhaust port 11 from damaging the sealing plug 2, thereby reducing the sealing performance of the sealing plug 2 and improving the reliability of the sealing plug 2.

[0029] In this embodiment, the bottom of the pressing part 31 gradually decreases from top to bottom, forming a conical second transition part 311. According to geometric principles, the hypotenuse of a right triangle is greater than any side, so the conical second transition part 311 increases the sealing area between the pressing part 31 and the sealing plug 2, further improving the sealing performance of the pressing part 31.

[0030] Specifically, when the pressing part 31 presses against the lip 21, the second transition part 311 extends into the exhaust channel 26 and is interference-fitted with the inner wall of the exhaust channel 26, which further improves the sealing performance of the pressing part 31 when it is pressed and further reduces the risk of water vapor leakage.

[0031] A sealing groove 22 is provided between the lip 21 and the inner wall of the exhaust channel 26. The opening of the sealing groove 22 faces the inside of the exhaust channel 26, and the lip 21 forms the side wall of the sealing groove 22, so that the sealing groove 22 is inclined downward from the outside to the inside. When the water vapor in the food processor tends to overflow, it will preferentially enter the sealing groove 22, thereby increasing the air pressure in the sealing groove 22. This causes the lip 21 to fit more closely to the pressure-retaining part 31. The greater the pressure in the food processor, the tighter the fit between the lip 21 and the pressure-retaining part 31. This improves the sealing performance of the lip 21 as the air pressure in the food processor increases, thus preventing water leakage from the lid 1 due to increased air pressure in the food processor.

[0032] In this embodiment, the lip 21 is gradually inclined inward from top to bottom, forming a pressurized cavity 221 at the top of the sealing groove 22. When the water vapor inside the food processor tends to overflow, the water vapor will be temporarily stored in the pressurized cavity 221 and continuously apply pressure to the lip 21, further increasing the pressure between the lip 21 and the pressing part 31, thereby improving the sealing performance between the lip 21 and the pressing part 31.

[0033] In this embodiment, the sealing plug 2 has a recessed mounting groove 23 on its periphery, and the inner wall of the exhaust port 11 has a mounting portion 111 corresponding to the mounting groove 23. The mounting portion 111 protrudes inward along the radial direction of the exhaust port 11, so that the mounting portion 111 is engaged in the mounting groove 23. When the mounting portion 111 is engaged in the mounting groove 23, the sealing plug 2 and the exhaust port 11 can be relatively fixed, preventing the sealing plug 2 from moving up and down, thereby preventing wear of the sealing plug 2 and improving the sealing performance between the sealing plug 2 and the exhaust port 11.

[0034] Specifically, the upper and lower sides of the mounting part 111 abut against the sides of the mounting groove 23, thereby increasing the sealing surface area between the sealing plug 2 and the exhaust port 11, and further improving the sealing performance between the sealing plug 2 and the exhaust port 11.

[0035] In this embodiment, the bottom of the sealing plug 2 tapers from top to bottom, forming a conical first transition portion 25. Since the upper and lower sides of the mounting portion 111 abut against the sides of the mounting groove 23, the bottom of the sealing plug 2 needs to undergo elastic deformation during installation. The first transition portion 25 gradually increases the deformation of the sealing plug 2 during installation, reducing the deformation of the sealing plug 2 per unit time, thereby improving the ease of installation of the sealing plug 2.

[0036] Specifically, the sealing plug 2 is further provided with a plurality of sealing protrusions 24 arranged in parallel along the axial direction on its periphery, and at least one sealing protrusion 24 is provided in the mounting groove 23. Since the sealing protrusions 24 protrude from the periphery of the sealing plug 2, when the sealing plug 2 is installed in the exhaust port 11, the sealing protrusions 24 make the sealing plug 2 and the exhaust port 11 interference fit, thereby improving the sealing performance between the sealing plug 2 and the exhaust port 11 while also taking into account the ease of installation of the sealing plug 2.

[0037] Example 2

[0038] like Figure 5 As shown, a food processor includes a body 4, a mixing chamber inside the body 4, a rotatable blade inside the mixing chamber, a cover 1 on the top of the mixing chamber, and a lip sealing structure 21 as described in Embodiment 1 on the cover 1.

[0039] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model.

Claims

1. A lip sealing structure for a food processor vent, disposed on the lid of the food processor, the lid having a vent, the lip sealing structure comprising a movable unit movably connected to the lid, the movable unit having at least two states to open or close the vent, characterized in that: The exhaust port is provided with a sealing plug, and the sealing plug has a through exhaust channel in the middle. The top edge of the exhaust channel extends downward from the channel opening and towards the center to form a flexible lip. The movable unit is provided with a pressing part corresponding to the lip. When the movable unit closes the exhaust port, the pressing part presses against the lip. A sealing groove is provided between the lip and the inner wall of the exhaust channel. The opening of the sealing groove faces the inside of the exhaust channel, and the lip forms the side wall of the sealing groove, so that the sealing groove is inclined downward from the outside to the inside.

2. The lip sealing structure of the vent of a food processor according to claim 1, characterized in that: The sealing plug has a recessed mounting groove on its periphery, and the inner wall of the exhaust port has a mounting part corresponding to the mounting groove. The mounting part protrudes inward along the radial direction of the exhaust port so that the mounting part is engaged in the mounting groove.

3. The lip sealing structure of the vent of a food processor according to claim 2, characterized in that: The upper and lower sides of the mounting part abut against the sides of the mounting groove, respectively.

4. The lip sealing structure of the vent of a food processor according to claim 2, characterized in that: The sealing plug is also provided with a plurality of sealing protrusions arranged in parallel along the axial direction, and at least one sealing protrusion is provided in the mounting groove.

5. The lip sealing structure of the vent of a food processor according to claim 1, characterized in that: The bottom of the sealing plug decreases from top to bottom, forming a conical first transition section.

6. The lip sealing structure of the vent of a food processor according to claim 1, characterized in that: The bottom of the pressing part gradually decreases from top to bottom, forming a conical second transition part.

7. The lip sealing structure of the vent of a food processor according to claim 6, characterized in that: When the pressing part presses against the lip, the second transition part extends into the exhaust channel and is press-fitted with the inner wall of the exhaust channel.

8. The lip sealing structure of the vent of a food processor according to claim 1, characterized in that: The lip is gradually inclined inward from top to bottom, so that the top of the sealing groove forms a pressure chamber.

9. The lip sealing structure of the vent of a food processor according to claim 1, characterized in that: The top edge of the exhaust port has a rounded transition.

10. A food processor, comprising a body, wherein a mixing chamber is provided within the body, and a rotatable blade is provided within the mixing chamber, characterized in that: The top of the stirring chamber is provided with a cover, and the cover is provided with a lip sealing structure as described in any one of claims 1-9.

Images