CN113721700B - Knob end cover and mounting method thereof, knob assembly, cooking utensil and tool - Google Patents

Abstract

The invention provides a knob end cover and an installation method thereof, a knob assembly, a cooking utensil and a tool, wherein the knob end cover comprises: the cover body comprises a first main body and a first positioning part; decorate the piece, decorate the piece and include second main part and second location portion, the second main part is connected with first main part, wherein, first location portion is located one side that first main part deviates from the second main part, and second location portion is located one side of second main part towards first main part, and second location portion is located week side of first main part. According to the knob end cover provided by the invention, the cover body comprises the first main body and the first positioning part, the decorative sheet comprises the second main body and the second positioning part, the cover body is positioned by using the first positioning part, and the decorative sheet is positioned by using the second positioning part.

Description

Knob end cover and mounting method thereof, knob assembly, cooking utensil and tool

Technical Field

The invention relates to the technical field of knobs, in particular to a knob end cover, a knob assembly, a cooking appliance, a tool and an installation method of the knob end cover.

Background

In the related technology, the decoration sheet of the knob is mainly integrally molded by plastic, and then is electroplated or subjected to other surface treatment, so that laser carving characters are engraved on the surface of the decoration sheet and used for prompting the functions of a client, and the characters need to face a user and are not inclined. In general, the knob body and the cover of the knob assembly are manufactured together, and the decoration sheet is separately manufactured for different products, so that it is difficult to precisely position the decoration sheet and the cover.

Disclosure of Invention

The present invention is directed to solving or improving one of the technical problems of the prior art.

To this end, a first aspect of the invention proposes a knob end cap.

A second aspect of the present invention is directed to a knob assembly.

A third aspect of the present invention provides a cooking appliance.

A fourth aspect of the invention provides a tool.

The fifth aspect of the invention provides a mounting method of a knob end cover.

In view of the above, according to a first aspect of the present invention, there is provided a knob end cover comprising: the cover body comprises a first main body and a first positioning part; decorate the piece, decorate the piece and include second main part and second location portion, the second main part is connected with first main part, wherein, first location portion is located one side that first main part deviates from the second main part, and second location portion is located one side of second main part towards first main part, and second location portion is located week side of first main part.

The knob end cover provided by the invention comprises a cover body and a decorative sheet, wherein the cover body is connected with the decorative sheet, the cover body comprises a first main body and a first positioning part, the decorative sheet comprises a second main body and a second positioning part, the first main body is connected with the second main body, the first positioning part is arranged on one side of the first main body, which is far away from the second main body, the second positioning part is arranged on one side of the second main body, which faces towards the first main body, namely the first positioning part and the second positioning part face towards the same side, so that the cover body can be positioned by using the first positioning part, and the decorative sheet is positioned by using the second positioning part.

In addition, according to the knob end cover in the above technical solution provided by the present invention, the following additional technical features may also be provided:

on the basis of the technical scheme, the method further comprises the following steps: the viscose layer is arranged between the cover body and the decorative sheet.

In this technical scheme, the lid passes through the viscose with decorating the piece and bonds to reduce the installation degree of difficulty of lid and decoration piece, and, promote the reliability that lid and decoration piece are connected, simultaneously, can also promote the light and thin nature of lid and decoration piece.

On the basis of any one of the above technical solutions, further, the second positioning portion is a fool-proof structure.

In this technical scheme, second location portion is for preventing slow-witted structure, guarantees the unicity location nature to decorating the piece location, reduces the installation degree of difficulty of knob end cover, further promotes the yields of knob end cover.

On the basis of any one of the above technical solutions, further, the cover body further includes: the fixing part is arranged on the first main body and is positioned on one side, departing from the second main body, of the first main body.

In this technical scheme, the lid still includes the fixed part, and the fixed part setting deviates from one side of second main part at first main part, and the fixed part lies in the same one side of first main part with first installation department promptly, and the fixed part is used for installing the lid in the knob main part of knob subassembly.

On the basis of any one of the above technical solutions, further, the decorative sheet further includes: the boss is arranged on one side, facing the first main body, of the second main body, the boss is arranged around the edge of the second main body, the boss is located on the peripheral side of the first main body, and the second positioning portion is at least one groove formed in the boss.

In this technical scheme, one side of second main part towards first main part is provided with the boss, and the edge setting of second main part is encircleed to the boss to, including enclosing first main part, second location portion is at least one recess of setting on the boss, and second location portion is the recess promptly, promotes the reliability of second location portion.

On the basis of any one of the above technical solutions, further, the first body has a pattern.

In this technical scheme, one side that first main part deviates from the second main part is provided with the pattern to can be for user's instruction state, and can promote the aesthetic property of knob end cover.

According to a second aspect of the present invention, there is provided a knob assembly comprising: a knob body; and, the knob end cover that any one of above-mentioned technical scheme put forward.

The knob assembly provided by the invention comprises the knob end cover provided by any one of the above technical solutions, so that all the advantages of the knob end cover provided by any one of the above technical solutions are achieved, and the description is omitted.

According to a third aspect of the invention, there is provided a cooking appliance comprising: the knob subassembly in any one of above technical scheme's suggestion.

The cooking appliance provided by the invention comprises the knob assembly provided by any one of the above technical solutions, so that all the advantages of the knob assembly provided by any one of the above technical solutions are achieved, and the description is omitted.

According to a fourth aspect of the present invention, the present invention provides a tool for installing a knob end cover according to any one of the above technical solutions, the tool including: a base body; the supporting part is arranged on one side of the seat body and is used for supporting the cover body of the knob end cover; the third positioning part is arranged on one side of the seat body and is used for being matched with the first positioning part of the cover body in an installing way; and the fourth positioning part is arranged on one side of the seat body and is positioned on one side of the supporting part, which deviates from the seat body, and the fourth positioning part is used for being matched with the second positioning part of the decorative sheet of the knob end cover in an installing manner.

The tool provided by the invention comprises a base body, a supporting part, a third positioning part and a fourth positioning part, wherein the supporting part, the third positioning part and the fourth positioning part are arranged on the same side of the base body, the supporting part is used for supporting a first main body of the knob end cover, the third positioning part is used for being matched with the first positioning part of the knob end cover, namely when the third positioning part and the first positioning part are matched and installed, the first main body is abutted against the supporting part, the fourth positioning part is matched with a second positioning part of the knob end cover, after the positioning of the cover body and the tool is completed, the fourth positioning part and the second positioning part are matched and installed, the second main body is tightly pressed with the first main body, the installation of the knob end cover can be completed, the cover body is further positioned by using the third positioning part, the cover body is supported by using the supporting part, and the decorative sheet is positioned by using the fourth positioning part, so that the accurate positioning and installation of the cover body and the decorative sheet can be realized by using one tool, and the yield of the knob end cover is improved.

On the basis of the technical scheme, furthermore, the fourth positioning part is of a fool-proof structure.

In this technical scheme, fourth location portion is for preventing slow-witted structure, guarantees the unicity location nature to decorating the piece location, reduces the installation degree of difficulty of knob end cover, further promotes the yields of knob end cover.

On the basis of any one of the above technical schemes, further, the tool further comprises: the first limiting part is arranged on the base body and used for limiting the position of the cover body; the second limiting part is arranged on the base body and used for limiting the position of the decorative sheet.

In this technical scheme, the frock still includes the spacing portion of first spacing portion and second, and the setting of the spacing portion of first spacing portion and second and third location portion and fourth location portion is in same one side of pedestal, and spacing portion and location portion cooperation can be faster and convenient realization lid and the location of decorating the piece, and then reduce the assembly degree of difficulty, promote assembly efficiency.

On the basis of any one of the above technical solutions, further, the method further includes: the fifth positioning part is arranged on one side of the seat body and is positioned on the peripheral side of the supporting part; and the checking assembly is detachably arranged on the fifth positioning part and is used for checking whether the knob end cover is qualified or not.

In this technical scheme, the frock still includes fifth location portion and inspection subassembly, fifth location portion sets up in the same one side of pedestal with third location portion and fourth location portion, inspection subassembly detachably installs in fifth location portion, whether inspection subassembly is used for the installation of inspection knob end cover qualified, and then can be when the installation knob end cover, pull down the inspection subassembly, accomplish the back at the knob end cover installation, install the inspection subassembly on fifth location portion, thereby realize the inspection whether qualified to the knob end cover, and then can further promote the yields of knob end cover.

On the basis of any one of the above technical solutions, further, the inspection assembly includes: a fixing member; the light transmitting sheet is arranged on the fixing piece, and a scale is arranged on the light transmitting sheet; and the sixth positioning part is arranged on the fixing piece, and the positioning part is matched with the fifth positioning part.

In this technical scheme, the inspection subassembly includes mounting, printing opacity piece and sixth location portion, and sixth location portion and printing opacity piece are installed in the mounting, and then can realize the installation of inspection subassembly in fixed position through the cooperation of sixth location portion and fifth location portion to see through the printing opacity piece and can observe the decoration piece, recycle the scale on the decoration piece, whether inspection knob end cover is qualified, its simple structure, easily operation.

According to a fifth aspect of the present invention, the present invention provides an installation method of a knob end cover, which is used for installing the knob end cover provided by any one of the above technical solutions by using the tool provided by any one of the above technical solutions, and the installation method of the knob end cover includes: placing the cover body at the position limited by the first limiting part, and supporting by the supporting part to ensure that the first positioning part is matched with the third positioning part; bonding an adhesive layer on the decorative sheet; the adhesive layer faces the cover body, and the decorative sheet is placed at the position limited by the second limiting part; adjusting the decorative sheet to enable the second positioning part and the fourth positioning part to be matched; compress tightly lid and decorative piece.

The invention provides an installation method of a knob end cover, which comprises the steps of firstly placing a cover body at a position limited by a first limiting part, supporting the cover body by a supporting part, and enabling the first limiting part to be matched with a third positioning part, so as to limit five degrees of freedom of the cover body, bonding an adhesive layer on a decorative sheet to facilitate installation and fixation of the decorative sheet and the cover body, then enabling the adhesive layer of the decorative sheet to face the cover body and be placed at a position limited by a second limiting part, at the moment, the decorative sheet is positioned at one side of the cover body, the cover body can only move towards the direction of the decorative sheet, then adjusting the angle of the decorative sheet, enabling the second positioning part to be matched with the fourth positioning part, enabling the decorative sheet to reach a position aligned with the cover body, then pressing the cover body and the decorative sheet tightly, enabling the adhesive layer to bond the cover body and the decorative sheet, thereby realizing accurate positioning and installation of the knob end cover body and the decorative sheet, improving the positioning precision of the cover body and the decorative sheet, improving the yield of the knob end cover body, and being simple in installation steps and easy to operate.

On the basis of the technical scheme, the method further comprises the following steps: and mounting the inspection assembly on the fifth positioning part, and determining whether the pattern is qualified or not by taking the ruler as a reference.

In this technical scheme, after the installation of knob end cover was accomplished, will inspect the unit mount in fifth location portion to confirm through the scale whether qualified pattern on the decorative sheet, thereby realize the inspection whether qualified to the knob end cover, and then can further promote the yields of knob end cover.

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

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a knob end cover according to an embodiment of the invention;

FIG. 2 is a schematic diagram illustrating a cover in a knob end cap according to an embodiment of the invention;

FIG. 3 is a schematic view of a decorative sheet in a knob end cover according to an embodiment of the invention;

fig. 4 is a schematic structural diagram of a tool according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an inspection assembly in the tool according to an embodiment of the present invention;

FIG. 6 is a schematic view of a tool provided in accordance with an embodiment of the present invention during installation of a knob end cap;

FIG. 7 is a schematic diagram illustrating the fitting of a fixture and a cover in a knob end cover according to an embodiment of the present invention;

FIG. 8 is a schematic diagram illustrating the tooling and the cover relative to each other in the knob end cap according to one embodiment of the present invention;

FIG. 9 is a schematic diagram illustrating the fitting of a fixture and a decorative sheet in a knob end cover according to an embodiment of the present invention;

FIG. 10 is a schematic view illustrating an adjustment of a decoration piece after the tool and the decoration piece are matched in a knob end cover according to an embodiment of the invention;

FIG. 11 is a schematic view of a tool for mounting a knob end cap according to an embodiment of the invention;

FIG. 12 is a schematic diagram illustrating inspection of a knob end cap by a tool according to an embodiment of the invention;

FIG. 13 is a schematic diagram illustrating the inspection of a knob end cap by a tool provided in an embodiment of the invention;

FIG. 14 is a schematic diagram illustrating the acceptance of the tooling for the inspection of the knob end cap according to one embodiment of the invention;

FIG. 15 is a schematic view of a knob assembly according to an embodiment of the invention;

FIG. 16 illustrates a cross-sectional view of a knob assembly provided in accordance with an embodiment of the present invention;

fig. 17 is a schematic structural view illustrating a cooking appliance according to an embodiment of the present invention;

fig. 18 is a schematic structural view illustrating a control panel in a cooking appliance according to an embodiment of the present invention;

FIG. 19 is a flow chart illustrating a method of installing a knob end cap according to one embodiment of the present invention;

fig. 20 is a flow chart illustrating a method for installing a knob end cap according to another embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 18 is:

100 knob end cover, 110 lid, 112 first main part, 114 first location portion, 116 fixed part, 120 decorative piece, 122 second main part, 124 second location portion, 126 boss, 128 pattern, 130 viscose layer, 200 knob subassembly, 210 knob main part, 300 cooking utensil, 310 control panel, 400 frock, 410 pedestal, 420 supporting part, 430 third location portion, 440 fourth location portion, 450 first spacing portion, 460 second spacing portion, 470 fifth location portion, 480 inspection subassembly, 482 mounting, 484 light transmission piece, 486 sixth location portion, 488 scale.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention, taken in conjunction with the accompanying drawings and detailed description, is set forth below. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A knob end cover 100, a knob assembly 200, a cooking appliance 300, a tooling 400, and a mounting method of the knob end cover according to some embodiments of the present invention are described below with reference to fig. 1 to 20.

Example 1:

as shown in fig. 1 to 3, the present invention provides a knob end cap 100 including: the cover 110 and the decorative sheet 120, the decorative sheet 120 is disposed on the cover 110, specifically, the cover 110 includes a first body 112, the decorative sheet 120 includes a second body 122, and the first body 112 and the second body 122 are connected to form an end cap.

Further, the cover 110 further includes a first positioning portion 114 disposed on one side of the first body 112, and specifically, the first body 112 includes a first surface and a second surface, the first surface and the second surface are two sides, i.e., a front surface and a back surface, of the first body 112, and the first positioning portion 114 and the second body 122 are respectively disposed on the first surface and the second surface of the first body 112. The first positioning portion 114 and the first body 112 may be an integral structure or a separate structure.

The decorative sheet 120 further includes a second positioning portion 124 disposed on the second main body 122, specifically, the second main body 122 includes a third surface and a fourth surface, the third surface and the fourth surface are two side surfaces, i.e., a front surface and a back surface, of the second main body 122, the second positioning portion 124 and the first main body 112 are located on the same surface of the first main body 112, i.e., the second positioning portion 124 and the first main body 112 are located on the third surface or the fourth surface. Here, the second positioning portion 124 and the second body 122 may be an integral structure or a split structure.

When the first main body 112 and the second main body 122 are connected, the second positioning portion 124 is retracted from the first main body 112, that is, the second positioning portion 124 is exposed to the outside of the first main body 112.

The knob end cover 100 provided by the invention comprises a cover body 110 and a decorative sheet 120, wherein the cover body 110 is connected with the decorative sheet 120, the cover body 110 comprises a first main body 112 and a first positioning portion 114, the decorative sheet 120 comprises a second main body 122 and a second positioning portion 124, the first main body 112 is connected with the second main body 122, the first positioning portion 114 is arranged on one side of the first main body 112, which is far away from the second main body 122, the second positioning portion 124 is arranged on one side of the second main body 122, which is far towards the first main body 112, namely, the first positioning portion 114 and the second positioning portion 124 face towards the same side, so that the cover body 110 can be positioned by using the first positioning portion 114, and the decorative sheet 120 can be positioned by using the second positioning portion 124.

Specifically, the cover 110 may be placed on the tooling 400 first, the cover 110 has only one fixed position relative to the tooling 400 by the first positioning portion 114, the decorative sheet 120 is placed on the tooling 400, and the decorative sheet 120 has only one fixed position relative to the tooling 400 by the second positioning portion 124, because the structure of the tooling 400 is fixed, the cover 110 and the decorative sheet 120 may be positioned, and then the cover 110 and the decorative sheet 120 are mounted together, so that the assembly of the knob end cover 100 may be completed, and further the positioning accuracy of the cover 110 and the decorative sheet 120 is improved, the operation difficulty is reduced, and the yield of the knob end cover 100 is improved.

Specifically, the cover 110 is a plastic cover 110.

Further, the first body 112 and the second body 122 are both discoid, and the end surface area of the second body 122 is larger than that of the first body 112.

The first positioning element is also used for positioning the cover 110 and the knob body 210.

Example 2:

as shown in fig. 1, in addition to embodiment 1, the cover body 110 and the decoration cover are further bonded by an adhesive layer 130.

In this embodiment, the cover body 110 and the decorative sheet 120 are bonded by the adhesive, so that the difficulty in mounting the cover body 110 and the decorative sheet 120 is reduced, the reliability of the connection between the cover body 110 and the decorative sheet 120 is improved, meanwhile, the thinness of the cover body 110 and the decorative sheet 120 is also improved, the adhesive layer 130 is simple and easy to obtain, and the production cost is reduced.

Specifically, the adhesive layer 130 may be previously disposed on the decoration sheet 120, wherein glue may be coated on the decoration sheet 120, or adhesive paper may be adhered, such as double-sided adhesive tape. The adhesive layer 130 may be annular, polygonal, circular, oval, or the like.

Then, the cover body 110 is placed on the tooling 400, the cover body 110 only has one fixed position relative to the tooling 400 by using the first positioning portion 114, and the decorative sheet 120 is placed on the tooling 400, wherein the adhesive layer 130 faces the cover body 110, the decorative sheet 120 only has one fixed position relative to the tooling 400 by using the second positioning portion 124, and the structure of the tooling 400 is fixed, so that the positioning of the cover body 110 and the decorative sheet 120 can be realized, and then the cover body 110 and the decorative sheet 120 are pressed, so that the cover body 110 and the decorative sheet 120 are bonded together, and the assembly of the knob end cover 100 can be completed, and further the positioning accuracy of the cover body 110 and the decorative sheet 120 is improved, the operation difficulty is reduced, and the yield of the knob end cover 100 is improved.

Example 3:

as shown in fig. 3, in addition to embodiment 1 or embodiment 2, the second positioning portion 124 is further designed to be fool-proof.

In this embodiment, the second positioning portion 124 adopts a fool-proof structure, so as to ensure the positioning singleness of the decoration sheet 120, reduce the possibility of the occurrence of the positioning error of the decoration sheet 120, reduce the installation difficulty of the knob end cover 100, and further improve the yield of the knob end cover 100.

Specifically, the number of the second positioning portions 124 may be multiple, so that the purpose that the decoration sheet 120 and the tool 400 have only one installation position is achieved by controlling the angle, the size or the structure of the second positioning portions 124.

Further, the second positioning portions 124 may have two grooves or protrusions with different sizes, and the two second positioning portions 124 may be disposed on a center line of the decoration sheet 120, so that when the decoration sheet 120 is adjusted relative to the tool 400, the decoration sheet 120 may be more balanced, and of course, the number of the second positioning portions 124 may also be one, three, four, or five, so long as the positioning of the decoration sheet 120 and the tool 400 is ensured to be in a unique state.

Example 4:

as shown in fig. 2, in addition to any one of embodiments 1 to 3, the first positioning portion 114 is further designed to be fool-proof.

In this embodiment, the first positioning portion 114 adopts a fool-proof structure, so as to ensure positioning uniformity of the cover 110, reduce the possibility of error positioning of the cover 110, reduce the difficulty of mounting the knob end cover 100, and further improve the yield of the knob end cover 100.

Specifically, the number of the first positioning portions 114 may be one, so that the decoration sheet 120 and the tool 400 have only one mounting position. Since the cover 110 is connected to the knob body 210, the cover 110 is not provided with the first positioning portion 114 at an excessive position in order to ensure the connection reliability between the cover 110 and the knob body 210, and thus, the cover 110 and the tool 400 can be in foolproof engagement while ensuring the connection reliability between the cover 110 and the knob body 210 by providing one first positioning portion 114.

Further, the first positioning portion 114 may be a pin structure such as a cross pin or a straight pin.

Example 5:

as shown in fig. 1 and 2, in addition to any one of embodiments 1 to 4, the cover body 110 further includes: the fixing portion 116 is disposed on one surface of the first body 112, and the fixing portion 116 and the first positioning portion 114 are disposed on the same surface of the first body 112.

In this embodiment, the cover 110 further includes a fixing portion 116, the fixing portion 116 is disposed on a surface of the first body 112 away from the second body 122, that is, the fixing portion 116 and the first mounting portion are located on a same surface of the first body 112, and the fixing portion 116 is used for mounting the cover 110 to the knob body 210 of the knob assembly 200.

Specifically, the cover 110 needs to be fixed to the knob body 210, and therefore, the fixing portion 116 can be used to fix the cover 110 and the knob body 210 simply and quickly.

Further, the number of the fixing portions 116 may be at least two to ensure the reliability of the connection between the cover body 110 and the knob body 210, and specifically, the number of the fixing portions 116 may be two, three, four, five, or the like, wherein the fixing portions 116 may be snaps. The fixing portion 116 may be a combination of a snap and a stop member, thereby achieving the installation and fixation of the cover body 110 and the knob body 210.

Specifically, the fixing portion 116 and the first body 112 may be a unitary structure or a split structure.

Example 6:

as shown in fig. 3, in any one of embodiments 1 to 5, a boss 126 is further provided on the first body 112, the boss 126 is located on a surface of the first body 112 facing the second body 122, the boss 126 is provided along an edge of the second body 122, the first body 112 and the second body 122 are connected, the boss 126 is located on a peripheral side of the first body 112, and at least one groove is opened on the boss 126, thereby forming the second positioning portion 124.

In this embodiment, a side of the second main body 122 facing the first main body 112 is provided with a boss 126, the boss 126 is disposed around an edge of the second main body 122 and surrounds the first main body 112, the second positioning portion 124 is at least one groove disposed on the boss 126, that is, the second positioning portion 124 is a groove, which improves reliability of the second positioning portion 124.

Specifically, the number of the grooves is at least two, and the two grooves have different sizes, and the two grooves may be disposed on a central line of the decoration sheet 120, so that when the decoration sheet 120 is adjusted relative to the tool 400, the decoration sheet 120 may be more balanced, and of course, the number of the grooves may also be one, three, four, or five, and so on, as long as the positioning of the decoration sheet 120 and the tool 400 is ensured to be in a unique state.

During assembly, the distance between the cover 110 and the decorative sheet 120 that are not installed together can be increased by the bosses 126, so that the adhesive layer 130 is prevented from being touched by the fingertips of the cover 110 by mistake, and the operation difficulty is reduced.

Example 7:

as shown in fig. 1, on the basis of any one of embodiments 1 to 6, further, a side of the second body 122 facing away from the first body 112 has a pattern 128.

In this embodiment, the side of the first body 112 facing away from the second body 122 is provided with a pattern 128 to indicate status to a user and to enhance the aesthetic appearance of the knob end cap 100. In particular, the pattern 128 may be a font, a graphic, a symbol, or the like.

Taking as an example the second body 122 having the fonts of "ok" and "pause", it may reflect the current state of the cooking appliance 300, or the operation that the knob cover 100 is capable of performing, for example: pressing the knob end cover 100 pauses the cooking function and pressing the knob end cover 100 again starts the cooking function again.

Example 8:

as shown in fig. 15 and 16, the present invention provides a knob assembly 200 including: a knob body 210 and a knob end cap 100 as provided in any of the embodiments described above.

The knob assembly 200 according to the present invention includes the knob end cap 100 according to any of the above embodiments, and therefore, all the advantages of the knob end cap 100 according to any of the above embodiments are not described herein.

Specifically, the knob body 210 may perform a function of adjusting a function or power by rotation.

Wherein, the first positioning element is also used for positioning the knob end cover 100 and the knob body 210.

The knob assembly 200 is a push-on one-piece knob. The knob assembly 200 of the cooking appliance 300 presses the integrated knob to integrate the function switching and pressing functions, so that great convenience is brought to a user, the metal knob is adopted, the metal style is rich, higher-level enjoyment is brought to the user, and the prompt fonts are arranged on the knob for the convenience of the user.

Example 9:

as shown in fig. 17 and 18, the present invention provides a cooking appliance 300 including: the knob assembly 200 according to any of the above embodiments.

The cooking appliance 300 of the present invention includes the knob assembly 200 according to any of the above embodiments, so that all the advantages of the knob assembly 200 according to any of the above embodiments are provided, and are not described herein.

Specifically, the cooking appliance 300 includes a control panel 310, a cabinet having a cooking cavity, the knob assembly 200 disposed on the control panel 310, the control panel 310 disposed on the cabinet, and a door hinged to the cabinet.

Also, the cooking appliance 300 further includes at least one of: a microwave generating device, a steam generating device and a baking and heating device.

Example 10:

as shown in fig. 4, the present invention provides a tooling 400 for installing the knob end cover 100 provided in any of the above embodiments, wherein the tooling 400 includes: the seat body 410, the supporting portion 420, the third positioning portion 430 and the fourth positioning portion 440, wherein the supporting portion 420, the third positioning portion 430 and the fourth positioning portion 440 are all disposed on the same surface of the seat body 410. Specifically, the tool 400 may be an integrated structure or a split structure.

The third positioning portion 430 is engaged with the cover 110 to fix the cover 110 at a specific position, and the fourth positioning portion 440 is engaged with the decorative sheet 120 to fix the decorative sheet 120 at a specific position, so as to fix the cover 110 and the decorative sheet 120 at a specific position, and then to connect and fix the cover 110 and the decorative sheet 120, thereby improving the assembly accuracy of the knob end cover 100.

The tooling 400 provided by the invention comprises a base body 410, a supporting portion 420, a third positioning portion 430 and a fourth positioning portion 440, wherein the supporting portion 420, the third positioning portion 430 and the fourth positioning portion 440 are all arranged on the same side of the base body 410, the supporting portion 420 is used for supporting the first main body 112 of the knob end cover 100, the third positioning portion 430 is used for being matched with the first positioning portion 114 of the knob end cover 100, namely when the third positioning portion 430 and the first positioning portion 114 are matched and installed, the first main body 112 abuts against the supporting portion 420, the fourth positioning portion 440 is matched with the second positioning portion 124 of the knob end cover 100, after the positioning of the cover body 110 and the tooling 400 is completed, the fourth positioning portion 440 and the second positioning portion 124 are matched and installed, the second main body 122 is tightly pressed against the first main body 112, so that the mounting of the knob end cover 100 can be completed, the cover body 110 is positioned by using the third positioning portion 430, the supporting portion 420 is used for supporting the cover body 110, and the decorative sheet 120 is positioned by using the fourth positioning portion 440, so that the precision positioning and the installation of the decorative sheet 110 and the decorative sheet 120 can be realized by using one tooling 400, and the yield of the cover body 110 and the knob end cover 100 can be improved.

Specifically, the cover 110 may be placed on the tooling 400 first, the cover 110 has only one fixed position relative to the tooling 400 by the third positioning portion 430, at this time, the cover 110 is overlapped on the supporting portion 420, the decorative sheet 120 is placed on the tooling 400, and the decorative sheet 120 has only one fixed position relative to the tooling 400 by the fourth positioning portion 440, because the structure of the tooling 400 is fixed, the positioning of the cover 110 and the decorative sheet 120 may be achieved, and then the cover 110 and the decorative sheet 120 are installed together, specifically, the cover 110 and the decorative sheet 120 may be compressed, so that the cover 110 and the decorative sheet 120 are connected by the adhesive layer 130, and the assembly of the knob end cover 100 may be completed, thereby improving the positioning accuracy of the cover 110 and the decorative sheet 120, reducing the operation difficulty, and improving the yield of the knob end cover 100.

Specifically, the seat body 410, the supporting portion 420, the third positioning portion 430 and the fourth positioning portion 440 may be integrally injection-molded.

Further, the base 410 may have a cylindrical structure, and the middle of the base 410 may be provided with a through hole, so as to reduce the material of the tooling 400, and when the cover 110 and the decorative sheet 120 are compressed, the force may be directly applied to the cover 110, so as to improve the reliability of the connection between the cover 110 and the decorative sheet 120, and the fixing portion 116 may extend into the through hole, so as not to interfere with the base 410, thereby reducing the possibility of damage to the cover 110.

Example 11:

as shown in fig. 4, in addition to embodiment 10, the fourth positioning portion 440 is further designed to be fool-proof.

In this embodiment, the fourth positioning portion 440 adopts a fool-proof structure, so as to ensure the positioning unicity of the tool 400 for the decoration piece 120, reduce the possibility of the occurrence of the positioning error of the decoration piece 120, reduce the installation difficulty of the knob end cover 100, and further improve the yield of the knob end cover 100.

Specifically, the number of the fourth positioning portions 440 may be multiple, so that the purpose that the decoration sheet 120 and the tool 400 have only one installation position is achieved by controlling the angle, size or structure of the fourth positioning portions 440.

Further, the four positioning portions 440 may have two grooves or protrusions with different sizes, and the two four positioning portions 440 may be disposed on a central line of the installation position of the seat body 410 corresponding to the decorative sheet 120, so that when the decorative sheet 120 is adjusted relative to the tooling 400, the decorative sheet 120 may be more balanced, and of course, the number of the four positioning portions 440 may also be one, three, four, or five, so long as the positioning of the decorative sheet 120 and the tooling 400 is ensured to be a unique state.

Example 12:

as shown in fig. 4, in addition to embodiment 10 or embodiment 11, the third positioning portion 430 is designed to have a fool-proof structure.

In this embodiment, the third positioning portion 430 adopts a fool-proof structure, so as to ensure the positioning unicity of the tool 400 for positioning the cover 110, reduce the possibility of the occurrence of the positioning error of the cover 110, reduce the installation difficulty of the knob end cover 100, and further improve the yield of the knob end cover 100.

Specifically, the number of the third positioning portions 430 may be one, so that the decorative sheet 120 and the tool 400 have only one mounting position.

Further, the third positioning portion 430 may have a pin structure such as a pin hole, a cross hole, a straight hole, and the like. Specifically, the third positioning portion 430 may be completely nested with the first positioning portion 114, or the third positioning portion 430 may accommodate the first positioning portion 114, and the mounting manner of the two is fixed.

Example 13:

as shown in fig. 4, on the basis of any one of embodiments 10 to 12, further, the tool 400 further includes: the first limiting portion 450 and the second limiting portion 460, the first limiting portion 450 and the second limiting portion 460 are disposed on the base 410, the first limiting portion 450 is engaged with the edge of the cover 110, and the second limiting portion 460 is engaged with the edge of the decorative sheet 120.

In this embodiment, the fixture 400 further includes a first limiting portion 450 and a second limiting portion 460, the first limiting portion 450 and the second limiting portion 460, the third positioning portion 430 and the fourth positioning portion 440 are disposed on the same side of the base 410, and the limiting portions are matched with the positioning portions, so that the positioning of the cover body 110 and the decorative sheet 120 can be realized more quickly and conveniently, the assembling difficulty is reduced, and the assembling efficiency is improved.

Specifically, the first limiting portion 450 and the second limiting portion 460 are protrusions disposed on the base 410, so that the first limiting portion 450 can form a slide track, and the cover 110 can slide based on the first limiting portion 450, and through the cooperation of the first positioning portion 114 and the third positioning portion 430, the cover 110 can be limited at a specific position and can maintain a specific posture when the cover 110 and the support 420 are abutted against each other. Similarly, the second position-limiting portion 460 may form a slide, and the decorative sheet 120 may slide based on the second position-limiting portion 460, and through the cooperation of the second positioning portion 124 and the fourth positioning portion 440, when the second positioning portion 124 and the fourth positioning portion 440 are engaged, the decorative sheet 120 may be limited to a specific position and maintained in a specific posture, and at this time, the cover body 110 and the decorative sheet 120 are in an abutting state.

Further, the second position-limiting portion 460 is located on a surface of the first position-limiting portion 450 departing from the base 410, so that the first position-limiting portion 450 and the second position-limiting portion 460 form a step structure, the lower portion of the step is matched with the cover 110, and the upper portion of the step is matched with the decorative sheet 120. The first limiting portion 450 and the second limiting portion 460 are respectively provided with four limiting protrusions, the four limiting protrusions are arranged on the base 410 at intervals, and the cover 110 and the decorative sheet 120 are surrounded.

Further, the two fourth positioning portions 440 are respectively disposed in two opposite gaps formed by the four limiting protrusions, and the two supporting portions 420 are respectively disposed in the other two opposite gaps formed by the four limiting protrusions.

Specifically, the seat body 410, the supporting portion 420, the third positioning portion 430, the fourth positioning portion 440, the first limiting portion 450 and the second limiting portion 460 may be integrally injection-molded.

Example 14:

as shown in fig. 5, on the basis of any one of embodiments 10 to 13, further, the tooling 400 further includes a checking component 480, and the checking component 480 can check whether the knob end cover 100 is installed properly. The seat body 410 is provided with a fifth positioning portion 470, and the fifth positioning portion 470 and the supporting portion 420 are located on the same surface of the seat body 410.

In this embodiment, the tooling 400 further includes a fifth positioning portion 470 and a checking assembly 480, the fifth positioning portion 470, the third positioning portion 430 and the fourth positioning portion 440 are disposed on the same side of the base 410, the checking assembly 480 is detachably mounted on the fifth positioning portion 470, the checking assembly 480 is used for checking whether the knob end cover 100 is installed properly, so that the checking assembly 480 can be detached when the knob end cover 100 is installed, after the knob end cover 100 is installed, the checking assembly 480 is mounted on the fifth positioning portion 470, so as to check whether the knob end cover 100 is qualified, and further improve the yield of the knob end cover 100.

Specifically, the fifth positioning portion 470 is disposed on the first limiting portion 450 and the second limiting portion 460, wherein the number of the fifth limiting portion may be one or more, specifically, the number of the fifth limiting portion is three, and the fifth limiting portion is disposed on three of the four limiting protrusions respectively, so as to achieve the fool-proof effect, and further achieve the limitation of the inspection assembly 480, and improve the accuracy of the inspection assembly 480.

Wherein, the fifth limiting part can be a protrusion or a recess. Further, the fifth limiting portion may be disposed obliquely or vertically.

Example 15:

as shown in fig. 5, on the basis of the embodiment 14, further, the checking assembly 480 includes: a fixing member 482, a light-transmitting sheet 484 and a sixth positioning portion 486, wherein the light-transmitting sheet 484 is marked with a scale 488; the sixth positioning parts 486 are fitted with the fifth positioning parts 470.

In this embodiment, the checking assembly 480 includes a fixing member 482, a light-transmitting piece 484 and a sixth positioning portion 486, the sixth positioning portion 486 and the light-transmitting piece 484 are mounted on the fixing member 482, and further, the mounting of the checking assembly 480 at a fixed position can be realized by the cooperation of the sixth positioning portion 486 and the fifth positioning portion 470, so that the decorative piece 120 can be observed through the light-transmitting piece 484, and then the scale 488 on the decorative piece 120 is utilized to check whether the knob end cover 100 is qualified, and the structure is simple and easy to operate. Specifically, the scale 488 can be a tolerance marking.

Specifically, the fixing member 482 has a ring structure, the light-transmitting sheet 484 is installed at the inner ring, and the scale 488 may have a cross-shaped mark, so that it is possible to determine whether the pattern 128 on the decorative sheet 120 is deflected or not, and the like. Wherein the scale 488 can have a certain tolerance design.

The light-transmitting sheet 484 may be a film sheet, a glass sheet plastic sheet, or the like.

Further, the quantity of the sixth limiting part is three, so that the fool-proof effect is achieved, the limit of the inspection component 480 can be achieved, and the inspection accuracy of the inspection component 480 is improved.

The sixth limiting part may be a protrusion or a recess. Further, the sixth limiting portion may be disposed obliquely or vertically.

Example 16:

fig. 19 is a flow chart illustrating a method for installing a knob end cap according to an embodiment of the present invention.

As shown in fig. 19, the process steps of the installation method of the knob end cover according to an embodiment of the present invention are as follows:

step 1902: the cover body is placed at the position limited by the first limiting part and supported by the supporting part, so that the first positioning part is matched with the third positioning part;

step 1904: bonding an adhesive layer on the decorative sheet;

step 1906: the adhesive layer faces the cover body, and the decorative sheet is placed at the position limited by the second limiting part;

step 1908: adjusting the decorative sheet to enable the second positioning part and the fourth positioning part to be matched;

step 1910: compress tightly lid and decorative piece.

In this embodiment, when the knob end cover is installed by using the tool, as shown in fig. 7 and 8, the first positioning portion and the third positioning portion are aligned, the cover is placed at the position limited by the first limiting portion, so that the first positioning portion and the third positioning portion are matched, and the cover is abutted against the supporting portion, thereby limiting five degrees of freedom of the cover, as shown in fig. 9, an adhesive layer is bonded to the surface where the decorative sheet is connected with the cover, the decorative sheet is placed at the position limited by the second limiting portion, at this time, the second positioning portion and the fourth positioning portion may not be aligned, therefore, as shown in fig. 10, the decorative sheet is rotated, so that the second positioning portion and the fourth positioning portion are matched, at this time, as shown in fig. 11, the decorative sheet is close to the cover, the cover and the decorative sheet are pressed, and thereby, the purpose of fixing the cover and the decorative sheet is achieved by using the adhesive layer. Thereby realized the accurate positioning and the installation of knob end cover, promoted the lid and decorated the positioning accuracy of piece, promoted the yields of knob end cover to, the installation step is simple, easily the operation.

Example 17:

fig. 20 is a flow chart illustrating a method for installing a knob end cap according to another embodiment of the invention.

As shown in fig. 20, the process steps of the installation method of the knob end cover according to another embodiment of the present invention are as follows:

step 2002: the cover body is placed at the position limited by the first limiting part and supported by the supporting part, so that the first positioning part is matched with the third positioning part;

step 2004: bonding an adhesive layer on the decorative sheet;

step 2006: the adhesive layer faces the cover body, and the decorative sheet is placed at the position limited by the second limiting part;

step 2008: adjusting the decorative sheet to enable the second positioning part and the fourth positioning part to be matched;

step 2010: the cover body and the decorative sheet are pressed;

step 2012: and mounting the inspection assembly on the fifth positioning part, and determining whether the pattern is qualified or not by taking the ruler as a reference.

In this embodiment, when the knob end cover is installed by using the tool, as shown in fig. 7 and 8, the first positioning portion and the third positioning portion are aligned, the cover is placed at the position limited by the first limiting portion, so that the first positioning portion and the third positioning portion are matched, and the cover is abutted against the supporting portion, thereby limiting five degrees of freedom of the cover, as shown in fig. 9, an adhesive layer is bonded to the surface where the decorative sheet is connected with the cover, the decorative sheet is placed at the position limited by the second limiting portion, at this time, the second positioning portion and the fourth positioning portion may not be aligned, therefore, as shown in fig. 10, the decorative sheet is rotated, so that the second positioning portion and the fourth positioning portion are matched, at this time, as shown in fig. 11, the decorative sheet is close to the cover, the cover and the decorative sheet are pressed, and thereby, the purpose of fixing the cover and the decorative sheet is achieved by using the adhesive layer.

Then, as shown in fig. 12, the sixth positioning portion and the fifth positioning portion are aligned, and the inspection assembly is mounted on the base, so that the scale corresponds to the pattern on the decorative sheet, and whether the pattern on the decorative sheet deflects can be visually observed through the scale, as shown in fig. 13, if the pattern deflects, the knob end cover is unqualified, as shown in fig. 14, and if the pattern does not deflect, the knob end cover is qualified. Therefore, whether the knob end cover is qualified or not is detected, the yield of the knob end cover can be further improved, and the detection steps are simple and easy to operate.

Specifically, as shown in fig. 6, the cover and the decorative sheet are mounted by using a tool, and the cover and the device sheet are inspected by placing the cover and the device sheet between the base and the inspection assembly.

Example 18:

the control core of the cooking utensil 300 is on the control panel 310, the knob assembly 200 is arranged on the control panel 310, the knob assembly 200 has the functions of switching and triggering, in order to meet the prompting requirements of customers and make users clear at a glance, the knob assembly 200 comprises a decorative sheet 120, a font prompt is arranged on the decorative sheet 120, the font position is required to be kept in practice and is not deflected, therefore, the first positioning part 114 of the knob assembly 200, on which the cover body 110 is connected with the knob main body 210, can be arranged, the second positioning part 124 is arranged on the decorative sheet 120, the cover body 110 and the decorative sheet 120 are positioned by using the tool 400, and the cover body 110 and the decorative sheet 120 are bonded by double-sided adhesive.

The tool 400 mainly has two parts, a positioning part for positioning the cover body 110 and the decorative sheet 120, and an inspection unit 480 for inspecting whether the cover body 110 and the decorative sheet 120 are qualified after installation.

The checking member 480 includes a light-transmitting strip 484, a fixing member 482, and a sixth position fixing part 486.

Specifically, the installation process is as follows:

the first positioning portion 114 is disposed on one side of the cover 110 near the edge, and three fixing portions 116 are disposed symmetrically with respect to the first positioning portion 114, so that when the cover is mounted, the first positioning portion 114 is engaged with the third positioning portion 430 of the tool 400, and the whole cover 110 is engaged with the tool 400, thereby ensuring the position of the cover 110 relative to the tool 400 and preparing for mounting the cover 110 and the decorative sheet 120.

The decorative sheet 120 is bonded with the adhesive layer 130, the boss 126 is arranged at the edge of one surface of the decorative sheet 120, the accommodating groove surrounded by the boss 126 is matched with the cover body 110, the adhesive layer 130 is arranged at the bottom of the accommodating groove, two grooves are arranged on the boss 126 to form the second positioning part 124, the second positioning part 124 is matched with the fourth positioning part 440 of the tool 400, the fourth positioning part 440 of the tool 400 is longer, so that an operator can observe the positioning position conveniently, and the boss 126 abuts against the fourth positioning part 440. At this time, the adhesive layer 130 has a certain distance from the cover body 110, the knob decorative sheet 120 can be rotated clockwise or counterclockwise to rotate to the correct position, the two fourth positioning portions 440 of the tool 400 are matched with the two second positioning portions 124 of the decorative sheet 120 to complete positioning, and the decorative sheet 120 and the cover body 110 are compressed to bond the two decorative sheets together, wherein the two second positioning portions 124 have different sizes, the two fourth positioning portions 440 have different sizes, and thus the positioning error of the decorative sheet 120 is avoided.

After the installation is completed, with the test assembly 480, through sixth location portion 486 and the fifth location portion 470 of frock 400, for the precision fit, can adopt the fool-proof design, for example: the positioning columns and the positioning holes with directions are adopted, or the purpose of amplification is achieved through the arrangement sequence of the positioning columns and the positioning holes, or the positioning columns and the positioning holes are arranged at a certain inclination angle.

The inspection assembly comprises a fixing ring and a light transmitting sheet 484, a scale 488 is arranged in the middle of the light transmitting sheet 484, when the front view shows that the characteristics of the pattern 128 on the decorative sheet 120 are overlapped with the characteristics of the scale 488, the positioning is qualified, and the characteristics of the pattern 128 on the decorative sheet 120 are not overlapped with the characteristics of the scale 488, the positioning is unqualified. Specifically, the pattern 128 on the decoration sheet 120 may have a positioning line, and the scale 488 is a tolerance zone formed by two lines, and further, if the positioning line is located between the two lines, the positioning is qualified, and if the positioning line is at least partially located outside the two lines, the positioning is unqualified.

In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present specification, the description of "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (13)

1. A knob end cap, comprising:

a cover including a first body and a first positioning portion;

a decorative sheet including a second body connected with the first body and a second positioning portion,

the first positioning part is arranged on one side of the first main body, which is far away from the second main body, the second positioning part is arranged on one side of the second main body, which is far towards the first main body, and the second positioning part is positioned on the peripheral side of the first main body;

the adhesive layer is arranged between the cover body and the decorative sheet;

the first positioning part and the second positioning part face to the same side;

the fixing part is arranged on the first main body and is positioned on one side of the first main body, which deviates from the second main body.

2. The knob end cap according to claim 1,

the second positioning part is of a fool-proof structure.

3. The knob end closure according to claim 1, wherein the decorative sheet further comprises:

the boss is arranged on one side of the first main body, the boss surrounds the edge of the second main body, the boss is located on the peripheral side of the first main body, and the second positioning portion is at least one groove formed in the boss.

4. The knob end cap according to claim 1,

the second body has a pattern.

5. A knob assembly, comprising:

a knob body; and the number of the first and second groups,

the knob end cap of any one of claims 1 to 4.

6. A cooking appliance, comprising:

the knob assembly of claim 5.

7. A tooling for installing the knob end cap of any one of claims 1 to 4, the tooling comprising:

a base body;

the supporting part is arranged on one side of the seat body and is used for supporting the cover body of the knob end cover;

the third positioning part is arranged on one side of the seat body and is used for being matched with the first positioning part of the cover body in an installing way;

and the fourth positioning part is arranged on one side of the base body and is positioned on one side of the supporting part, which deviates from the base body, and the fourth positioning part is used for being matched with the second positioning part of the decorative sheet of the knob end cover in an installing way.

8. The tooling of claim 7,

the fourth positioning part is of a fool-proof structure.

9. The tooling of claim 7 or 8, further comprising:

the first limiting part is arranged on the seat body and used for limiting the position of the cover body;

the second limiting part is arranged on the base body and used for limiting the position of the decorative sheet.

10. The tooling of claim 7 or 8, further comprising:

the fifth positioning part is arranged on one side of the seat body and is positioned on the peripheral side of the supporting part;

and the checking assembly is detachably arranged on the fifth positioning part and is used for checking whether the knob end cover is qualified or not.

11. The tooling of claim 10, wherein the inspection assembly comprises:

a fixing member;

the light transmitting sheet is arranged on the fixing piece, and a scale is arranged on the light transmitting sheet;

and the sixth positioning part is arranged on the fixing part, and the positioning part is matched with the fifth positioning part.

12. A knob end cover mounting method, which is used for mounting the knob end cover of any one of claims 1 to 4 by using the tool of any one of claims 7 to 11, and comprises the following steps:

the cover body is placed at the position limited by the first limiting part and supported by the supporting part, so that the first positioning part is matched with the third positioning part;

bonding an adhesive layer on the decorative sheet;

the adhesive layer faces the cover body, and the decorative sheet is placed at the position limited by the second limiting part;

adjusting the decorative sheet to enable the second positioning part to be matched with the fourth positioning part;

and compressing the cover body and the decorative sheet.

13. The method of installing a knob end cap according to claim 12, further comprising:

and mounting the checking assembly on the fifth positioning part, and determining whether the pattern is qualified or not by taking the scale as a reference.

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