Decorative surface cover, pot cover of cooking utensil and cooking utensil

Abstract

The utility model discloses a decorative surface cover which comprises a decorative sheet body and a buckle integrally formed on the back face of the decorative sheet body in an injection molding mode, the decorative sheet body is provided with a through hole for a steam valve to penetrate through, the buckle is arranged on the periphery of the through hole, the buckle comprises a main body and a clamping hook, one end of the main body is connected with the decorative sheet body, and the other end of the main body is connected with the clamping hook. The main body is provided with a first side face facing the through hole and a second side face deviating from the through hole, the clamping hook is arranged at the other end of the main body and arranged on the second side face in a protruding mode, and the thickness A of the main body is smaller than or equal to the thickness B of the decorative sheet body. By optimizing the buckle structure, flow lines can be prevented from appearing at the position, corresponding to the buckle, of the front face of the decorative face cover, and the appearance of the front face of the decorative face cover is guaranteed. In addition, the utility model further discloses a pot cover of the cooking utensil, which comprises a surface cover body, the decorative surface cover and a steam valve. The cooking utensil comprises a pot body and the pot cover, and the pot cover is adopted as the pot cover.

Description

[Technical field]

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a decorative surface cover, a pot cover of a cooking utensil and the cooking utensil. [Background technology]

[0002] The pot cover of the cooking utensil in the prior art comprises a cover body, a decorative cover and a steam valve, wherein the decorative cover is installed on the top of the cover body, the decorative cover comprises a decorative sheet and a buckle integrally injection-molded on the back of the decorative sheet, the decorative sheet is provided with a through hole for the steam valve to pass through, the buckle is fixedly engaged with the cover body, wherein the buckle surrounds the through hole, and the buckle comprises a main body and a hook arranged at one end of the main body away from the decorative sheet, and the hook is arranged toward the through hole. In order to make the decorative cover have a metallic texture, silver powder is usually injected into the raw material for injection molding. During injection molding, the molten plastic mixed with silver powder is injected from the injection port at the center of the through hole. After entering from the injection port, the plastic is divided into multiple streams and flows radially toward the periphery of the decorative cover. When the molten plastic flows through the buckle position, it will be diverted. One part continues to flow forward, and the other part flows to the main body of the buckle to form a branch. Since the thickness of the main body is much larger than the thickness of the decorative cover and the hook is set toward the through hole, the flow rate of the plastic at the diversion position is slower than the flow rate of the surrounding raw materials, and the raw materials in other parts will flow to the diversion position. At this time, when the silver powder in the raw materials with different flow rates converge, flow lines will be generated, that is, flow line defects will be formed at the position of the buckle corresponding to the front of the decorative cover, thereby reducing the appearance of the decorative cover. [Utility Model Content]

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a decorative cover, a pot cover of a cooking utensil and a cooking utensil. By optimizing the buckle structure, flow lines can be avoided at the position corresponding to the buckle on the front side of the decorative cover to ensure the appearance of the front side of the decorative cover.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A decorative surface cover comprises a decorative sheet and a buckle integrally injection-molded on the back side of the decorative sheet, the decorative sheet being provided with a through hole for a steam valve to pass through, the buckle being arranged around the through hole, the buckle comprising a main body and a hook, one end of the main body being connected to the decorative sheet, the main body having a first side facing the through hole and a second side facing away from the through hole, the hook being arranged at the other end of the main body and protruding on the second side, and the thickness A of the main body being less than or equal to the thickness B of the decorative sheet.

[0006] In the above-mentioned decorative cover, a reinforcing rib connected to the first side surface is integrally formed on the back of the decorative sheet, and the reinforcing rib extends from the first side surface in a direction away from the second side surface. The width of one end of the reinforcing rib connected to the decorative sheet body is C, satisfying: A+C≤1.1B.

[0007] In the above-mentioned decorative cover, the reinforcing ribs extend from the back side of the decorative sheet to the other end of the main body, and a plurality of the reinforcing ribs are spaced apart and distributed along the length direction of the main body.

[0008] In the above-mentioned decorative surface cover, the width of the reinforcing rib gradually decreases in the direction away from the decorative sheet body.

[0009] In the above-mentioned decorative surface cover, the corners of the reinforcing ribs are rounded.

[0010] In the above-mentioned decorative surface cover, the through hole is a circular hole, a plurality of the buckles are circumferentially spaced and distributed around the through hole, and the center of the through hole forms a glue feeding point.

[0011] In the above-mentioned decorative surface cover, the reinforcing rib extends from the first side surface toward a direction away from the second side surface along the radial direction of the circular hole.

[0012] In the above-mentioned decorative surface cover, the decorative surface cover is a plastic part containing spherical silver powder.

[0013] In addition, the utility model also discloses a pot cover for a cooking utensil, comprising a cover body, a decorative cover and a steam valve, wherein a latch is provided on the top of the cover body, the decorative cover is the decorative cover described in any of the above technical solutions, the steam valve is provided with a through hole, and the buckle cooperates with the latch to enable the decorative cover to be latched on the top of the cover body.

[0014] In addition, the utility model also discloses a cooking utensil, comprising a pot body and a pot cover, wherein the pot cover adopts the pot cover described in any of the above technical solutions.

[0015] Beneficial effects of the utility model:

[0016] In the decorative cover of the utility model, the buckle includes a main body and a hook, one end of the main body is connected to the decorative sheet, the main body has a first side facing the through hole and a second side facing away from the through hole, the hook is arranged at the other end of the main body and convexly arranged on the second side, and the thickness A of the main body is less than or equal to the thickness B of the decorative sheet. When the molten plastic mixed with silver powder flows through the buckle position, a part continues to flow forward, and a part will be diverted to flow to the main body to form a branch, so when the thickness B of the decorative sheet is constant, the smaller the thickness A of the main body, the less molten plastic flows to the main body in the branch, that is, the smaller the influence on the flow rate of continuing to flow forward to form the decorative sheet, and the less likely the position of the front side of the decorative sheet corresponding to the buckle will have flow lines; in addition, when the hook is arranged at the other end of the main body and convexly arranged on the second side, the direction of the hook can be the same as the flow direction of the molten raw material, so that the difference in the flow rate of the molten raw material can be smoothly transitioned to further reduce the appearance of flow lines. It has been found in practice that when A≤B, and the hook is arranged at the other end of the main body and protrudes on the second side surface, the portion of the front side of the decorative sheet corresponding to the buckle will not have flow lines, thereby avoiding surface defects on the front side of the decorative cover and ensuring the appearance of the decorative cover.

[0017] The back of the decorative sheet body is also integrally formed with a reinforcing rib connected to the first side surface, the reinforcing rib extends from the first side surface toward a direction away from the second side surface, and the width of one end of the reinforcing rib connected to the decorative sheet body is C, satisfying: A+C≤1.1B. Such a design can not only enhance the structural strength of the main body through the reinforcing rib, thereby ensuring the strength of the buckle, but also make the raw material flow to the reinforcing rib first and then flow to the main body gradually, making the flow rate difference more stable, so as to further avoid the appearance of flow lines at the position corresponding to the buckle on the front of the decorative cover after the reinforcing rib is set.

[0018] The reinforcing ribs extend from the back of the decorative sheet to the other end of the main body, and multiple reinforcing ribs are spaced apart along the length of the main body. This design can not only enhance the structural strength of the entire main body of the buckle through the reinforcing ribs, but also reduce the thickness of a single reinforcing rib by setting multiple reinforcing ribs at intervals, so as to reduce the impact on the flow velocity of the decorative sheet that continues to flow forward, avoid the appearance of flow lines, and also reduce the material cost.

[0019] The width of the reinforcing ribs gradually decreases in the direction away from the decorative sheet body. Such a design enables the molten plastic to gradually converge to the main body when flowing toward the end of the reinforcing ribs away from the decorative sheet body, so that the flow rate difference is more smoothly transitioned, thereby further avoiding the generation of flow lines.

[0020] The corners of the reinforcing ribs are rounded. This design can prevent the molten plastic from changing its flow state sharply at the corners of the reinforcing ribs, thereby generating large stress and causing stress concentration at the corners of the reinforcing ribs.

[0021] The through hole is a circular hole, and a plurality of buckles are circumferentially spaced around the through hole, and the center of the through hole forms a glue inlet point. Such a design enables the molten plastic to flow evenly to the periphery of the through hole in a radial manner through the glue inlet point, thereby evenly filling the portion of the decorative sheet body located around the through hole.

[0022] The reinforcing ribs extend from the first side surface to the direction away from the second side surface along the radial direction of the circular hole. With such a design, when the molten plastic mixed with silver powder flows through the reinforcing ribs, the flow direction of the original molten plastic will not be changed, so as to further reduce the influence of the branch flow to the reinforcing ribs on the flow velocity of the decorative sheet body that continues to flow forward, so that the portion of the front side of the decorative sheet body corresponding to the buckle is less likely to have flow lines.

[0023] The decorative cover is a plastic part containing spherical silver powder. Such a design can make the decorative cover have a metallic texture and is also more conducive to the flow and compatibility of molten plastic to avoid flow lines on the front of the decorative cover.

[0024] These features and advantages of the present invention will be disclosed in detail in the following specific implementation manners and drawings.

Brief Description of the Drawings

[0025] The utility model is further described below in conjunction with the accompanying drawings:

[0026] Figure 1 This is a schematic diagram of the structure of a decorative cover in one embodiment of the utility model;

[0027] Figure 2 for Figure 1 A is a partial enlarged schematic diagram;

[0028] Figure 3 for Figure 1 A partial enlarged schematic diagram of B in the middle

[0029] Figure 4 It is a schematic diagram of the flow direction of molten plastic during injection molding of the decorative cover in the utility model;

[0030] Figure 5 It is a cross-sectional view of the decorative cover in the utility model;

[0031] Figure 6 for Figure 5 A partial enlarged schematic diagram of C in the middle.

[0032] Reference numerals:

[0033] 100, decorative sheet; 110, through hole; 200, buckle; 210, main body; 211, first side surface; 212, second side surface; 220, hook; 300, reinforcing rib; 310, lower side surface; 320, second vertical side surface. [Specific implementation method]

[0034] The utility model provides a decorative surface cover, comprising a decorative sheet and a buckle integrally injection-molded on the back side of the decorative sheet, the decorative sheet being provided with a through hole for a steam valve to pass through, the buckle being arranged around the through hole, the buckle comprising a main body and a hook, one end of the main body being connected to the decorative sheet, the main body having a first side surface facing the through hole and a second side surface away from the through hole, the hook being arranged at the other end of the main body and protruding on the second side surface, and a thickness A of the main body being less than or equal to a thickness B of the decorative sheet.

[0035] In the decorative cover of the utility model, the buckle includes a main body and a hook, one end of the main body is connected to the decorative sheet, the main body has a first side facing the through hole and a second side facing away from the through hole, the hook is arranged at the other end of the main body and convexly arranged on the second side, and the thickness A of the main body is less than or equal to the thickness B of the decorative sheet. When the molten plastic mixed with silver powder flows through the buckle position, a part continues to flow forward, and a part will be diverted to flow to the main body to form a branch, so when the thickness B of the decorative sheet is constant, the smaller the thickness A of the main body, the less molten plastic flows to the main body in the branch, that is, the smaller the influence on the flow rate of continuing to flow forward to form the decorative sheet, and the less likely the position of the front side of the decorative sheet corresponding to the buckle will have flow lines; in addition, when the hook is arranged at the other end of the main body and convexly arranged on the second side, the direction of the hook can be the same as the flow direction of the molten raw material, so that the difference in the flow rate of the molten raw material can be smoothly transitioned to further reduce the appearance of flow lines. It has been found in practice that when A≤B, and the hook is arranged at the other end of the main body and protrudes on the second side surface, the portion of the front side of the decorative sheet corresponding to the buckle will not have flow lines, thereby avoiding surface defects on the front side of the decorative cover and ensuring the appearance of the decorative cover.

[0036] The technical scheme of the embodiment of the utility model is explained and illustrated below in conjunction with the drawings of the embodiment of the utility model, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without making creative work all belong to the protection scope of the utility model. In addition, it should be understood that the following words indicating orientation or position relationship such as "up", "down", "left", "right", "longitudinal", "lateral", "inside", "outside", "vertical", "horizontal", "top", "bottom", etc. are only based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device / element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0037] Reference Figures 1 to 6As shown, the decorative cover in this embodiment includes a decorative sheet body 100 and a buckle 200 integrally injection-molded on the back side of the decorative sheet body 100. The decorative sheet body 100 is provided with a through hole 110 for the steam valve to pass through. The buckle 200 is arranged around the through hole 110. The buckle 200 includes a main body 210 and a hook 220. One end of the main body 210 is connected to the decorative sheet body 100. The main body 210 has a first side surface 211 facing the through hole 110 and a second side surface 212 away from the through hole 110. The hook 220 is arranged at the other end of the main body 210 and protrudes on the second side surface 212. The thickness A of the main body 210 is less than or equal to the thickness B of the decorative sheet body 100.

[0038] When the molten plastic mixed with silver powder flows through the buckle 200, part of it continues to flow forward, and part of it will be diverted to the main body 210 to form a branch. Therefore, when the thickness B of the decorative sheet 100 is constant, the smaller the thickness A of the main body 210, the less molten plastic flows to the main body 210 in the branch, that is, the smaller the impact on the flow rate that continues to flow forward to form the decorative sheet 100, and the less likely it is that flow lines will appear at the position of the front side of the decorative sheet 100 corresponding to the buckle 200; in addition, when the hook 220 is provided at the other end of the main body 210 and protrudes on the second side surface 212, the direction of the hook 220 can be the same as the flow direction of the molten raw material. In this way, the difference in the flow rate of the molten raw material can be smoothly transitioned to further reduce the appearance of flow lines. It has been found in practice that when A≤B, and the hook 220 is provided at the other end of the main body 210 and protrudes on the second side surface 212, flow lines will not appear on the front side of the decorative sheet 100 corresponding to the buckle 200, thereby avoiding surface defects on the front side of the decorative cover and ensuring the appearance of the decorative cover.

[0039] Specifically, in order to enhance the structural strength of the buckle 200, a reinforcing rib 300 is integrally formed on the back of the decorative sheet 100 in this embodiment, and the reinforcing rib 300 includes an upper side surface connected to the decorative sheet 100 and a first vertical side surface connected to the first side surface 211, so that the reinforcing rib 300 is connected between the decorative sheet 100 and the first side surface 211, and the reinforcing rib 300 extends from the first side surface 211 in a direction away from the second side surface 212. Preferably, the reinforcing rib 300 is perpendicular to the main body 210, wherein the width of the end of the reinforcing rib 300 connected to the decorative sheet 100 is C, that is, the width of the upper side surface is C, satisfying: A+C≤1.1B. When A+C>1.1B, flow lines appear at the position of the front side of the decorative cover corresponding to the buckle 200; therefore, in this embodiment, A+C=1.1B is preferably selected. With such a design, the structural strength of the main body 210 can be enhanced by the reinforcing ribs 300 to ensure the strength of the buckle 200, and the raw material can flow to the reinforcing ribs 300 first and then to the main body 210 gradually, so that the flow rate difference is more smoothly transitioned, so as to further avoid the appearance of flow lines at the position of the front side of the decorative cover corresponding to the buckle 200 after the reinforcing ribs 300 are set.

[0040] The reinforcing rib 300 in this embodiment extends from the back side of the decorative sheet 100 to the other end of the main body 210, that is, the height of the reinforcing rib 300 is equal to the height of the main body 210. With such a design, the structural strength of the entire main body 210 of the buckle 200 can be enhanced by the reinforcing rib 300 to prevent the main body 210 from breaking. In addition, a plurality of reinforcing ribs 300 are connected between each main body 210 and the decorative sheet 100, and the plurality of reinforcing ribs 300 are spaced apart along the length direction of the main body 210. With such a design, the thickness H of a single reinforcing rib 300 can be reduced by setting a plurality of reinforcing ribs 300 at intervals, so as to reduce the impact on the flow velocity of the decorative sheet 100 that continues to flow forward, avoid the occurrence of flow lines, and also reduce the material cost.

[0041] Preferably, in this embodiment, the width W of the reinforcing rib 300 gradually decreases in the direction away from the decorative sheet 100. Such a design enables the molten plastic to gradually converge to the main body 210 when flowing toward the end of the reinforcing rib 300 away from the decorative sheet 100, so that the flow velocity difference is more smoothly transitioned, thereby further avoiding the generation of flow lines.

[0042] In addition, in this embodiment, the reinforcing rib 300 has a lower side surface 310 disposed opposite to the upper side surface and a second vertical side surface 320 disposed away from the main body 210. The connection between the second vertical side surface 320 and the lower side surface 310 forms the corner of the reinforcing rib 300. The second vertical side surface 320 and the lower side surface 310 are connected by a rounded corner, so that the corner of the reinforcing rib is a rounded corner. Such a design can prevent the molten plastic from changing its flow state sharply at the corner of the reinforcing rib 300 to generate large stress, and the residual stress at the corner of the reinforcing rib 300 to generate stress concentration.

[0043] In addition, the through hole 110 in this embodiment is a circular hole, and a plurality of buckles 200 are circumferentially spaced around the through hole 110, and the center of the through hole 110 forms a glue inlet point. Such a design enables the molten plastic to flow evenly to the periphery of the through hole 110 in a radial manner through the glue inlet point, thereby evenly filling the solid part of the decorative sheet body 100 located around the through hole 110. After the injection molding is completed, the circular thin sheet at the through hole 110 will be cut off in the mold before demolding to obtain the desired product.

[0044] In order to prevent the front portion of the decorative sheet body corresponding to the buckle from having flow lines, the reinforcing rib 300 in this embodiment extends from the first side surface 211 in the direction away from the second side surface 212 along the radial direction of the circular hole. With such a design, when the molten plastic mixed with silver powder flows through the reinforcing rib 300, the flow direction of the original molten plastic will not be changed, so as to further reduce the influence of the branch flow to the reinforcing rib 300 on the flow velocity of the decorative sheet body 100 that continues to flow forward, so that the front portion of the decorative sheet body 100 corresponding to the buckle 200 is less likely to have flow lines.

[0045] Finally, the decorative cover in this embodiment is a plastic part containing spherical silver powder, wherein Figure 6 The small and medium circles represent spherical silver powder, and Figure 6 The arrow in the figure indicates the flow direction of the spherical silver powder. Such a design can give the decorative cover a metallic texture and is also more conducive to the flow and compatibility of the molten plastic to avoid flow lines on the front of the decorative cover.

[0046] In another embodiment of the present invention, the decorative cover may also be a plastic part containing flaky silver powder or linear silver powder.

[0047] In another embodiment of the utility model, the reinforcing ribs can be omitted. In this case, the thickness A of the main body can be designed to be larger, for example, A=0.6B or A=0.8B or A=B. With such a design, flow lines can appear on the front side of the decorative cover corresponding to the buckle, while also ensuring the structural strength of the buckle.

[0048] In another embodiment of the present invention, the width W of the reinforcing rib may also remain constant throughout the entire height of the reinforcing rib.

[0049] The utility model also provides a pot cover for a cooking utensil, comprising a cover body, a decorative cover and a steam valve, wherein a clamping position is provided on the top of the cover body, the decorative cover is a decorative cover of any of the above-mentioned technical solutions, the steam valve is provided with a through hole, and the buckle cooperates with the clamping position so that the decorative cover is clamped on the top of the cover body.

[0050] The utility model also discloses a cooking utensil, which is an electric rice cooker, comprising a pot body and a pot cover, and the pot cover adopts the pot cover of any one of the above technical solutions.

[0051] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Those skilled in the art should understand that the utility model includes but is not limited to the contents described in the drawings and the above specific implementation. Any modification that does not deviate from the functional and structural principles of the utility model will be included in the scope of the claims.

Claims

1. A decorative cover, comprising a decorative sheet and a buckle integrally injection-molded on the back of the decorative sheet, wherein the decorative sheet is provided with a through hole for a steam valve to pass through, the buckle is arranged around the through hole, the buckle comprises a main body and a hook, one end of the main body is connected to the decorative sheet, and is characterized in that: The main body has a first side surface facing the through hole and a second side surface away from the through hole. The hook is arranged at the other end of the main body and protrudes on the second side surface. The thickness A of the main body is less than or equal to the thickness B of the decorative sheet.

2. A decorative cover as claimed in claim 1, characterized in that: A reinforcing rib connected to the first side surface is integrally formed on the back of the decorative sheet. The reinforcing rib extends from the first side surface in a direction away from the second side surface. The width of one end of the reinforcing rib connected to the decorative sheet body is C, satisfying: A+C≤1.1B.

3. A decorative cover as claimed in claim 2, characterized in that: The reinforcing ribs extend from the back side of the decorative sheet to the other end of the main body, and a plurality of the reinforcing ribs are spaced apart and distributed along the length direction of the main body.

4. A decorative cover as claimed in claim 2, characterized in that: The width of the reinforcing rib gradually decreases in the direction away from the decorative sheet body.

5. A decorative cover as claimed in claim 2, characterized in that: The corners of the reinforcing ribs are rounded.

6. A decorative cover as claimed in claim 2, characterized in that: The through hole is a circular hole, and a plurality of buckles are circumferentially spaced around the through hole, and the center of the through hole forms a glue feeding point.

7. A decorative cover as claimed in claim 6, characterized in that: The reinforcing rib extends from the first side surface toward a direction away from the second side surface along the radial direction of the circular hole.

8. A decorative cover as claimed in claim 1, characterized in that: The decorative surface cover is a plastic part containing spherical silver powder.

9. A pot cover for a cooking utensil, comprising a cover body, a decorative cover and a steam valve, wherein a latch is provided on the top of the cover body, characterized in that: The decorative surface cover is the decorative surface cover according to any one of claims 1 to 8, the steam valve is arranged through the through hole, and the buckle cooperates with the locking position to enable the decorative surface cover to be clamped on the top of the surface cover body.

10. A cooking utensil, comprising a pot body and a pot cover, characterized in that: The pot cover is the pot cover according to claim 9.

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