Knob assembly and household appliance with same

Abstract

The utility model relates to a knob assembly and a household appliance with the same, the knob assembly comprises a shell, a panel and a knob, the shell is provided with an assembling end, and a mounting through hole is formed in the assembling end in a penetrating manner; the panel is connected with the assembling end through a first connecting piece, is aligned with the mounting through hole, is arranged at an interval with the assembling end in the axis direction of the mounting through hole, and is provided with a plurality of identification pieces at intervals in the circumferential direction of the mounting through hole; the rotary knob is arranged on the shell, located in the mounting through hole and rotationally matched with the first connecting piece, a rotary hole is formed in the rotary knob in the axial direction of the mounting through hole, the panel is located in the rotary hole, and an indicating piece used for being aligned with the identification piece is arranged on the rotary knob; the problem that when rotation of a knob corresponds to different gears of a gear switch, the current working gear cannot be known by rotating the knob is solved.

Description

Technical Field

[0001] The present application relates to the technical field of household appliances, and in particular to a knob assembly and a household appliance having the same. Background Art

[0002] In many electrical devices, gear switches are used, and corresponding knobs are used to select the working gear of these gear switches. However, when the rotation of the knob corresponds to different gears of the gear switch, if there is no gear indication area around the knob, the current working gear cannot be known by turning the knob. Utility Model Content

[0003] The present application provides a knob assembly and a household appliance having the same, so as to solve the problem that when the rotation of the knob corresponds to different gears of a gear switch, the current working gear cannot be known by turning the knob.

[0004] In a first aspect, the present application provides a knob assembly and a household appliance having the same, including:

[0005] The housing has an assembly end, and a mounting through hole is formed through the assembly end;

[0006] A panel connected to the assembly end through a first connecting member, arranged in alignment with the mounting through hole, and spaced apart from the assembly end in the axial direction of the mounting through hole, wherein the panel is provided with a plurality of identification members spaced apart in the circumferential direction of the mounting through hole; and

[0007] A knob is arranged on the housing, located in the mounting through hole, and rotatably cooperates with the first connecting member. The knob is provided with a rotation hole along the axial direction of the mounting through hole, the panel is located in the rotation hole, and an indicator member for aligning with the identification member is arranged on the knob.

[0008] In a possible implementation, the housing includes:

[0009] A first housing having a first connecting end; and

[0010] The second shell is assembled and connected with the first shell and has a second connecting end. The first connecting end and the second connecting end are spliced ​​with each other and have the mounting through hole formed therein. The splicing point of the first connecting end and the second connecting end is the assembly end.

[0011] In a possible implementation, a positioning assembly is further included, and the positioning assembly includes a positioning protrusion and a positioning groove that are embedded and matched, and one of the positioning protrusion and the positioning groove is arranged at the first connection end, and the other is arranged at the second connection end.

[0012] In a possible implementation, a gear switch is further included, the gear switch includes a switch seat arranged on the housing, a switch shaft is arranged on the switch seat, a switch hole for cooperating with the switch shaft is arranged on the knob, and the switch shaft and the knob are arranged coaxially.

[0013] In a possible implementation manner, a cross section of the switch shaft includes a semicircle.

[0014] In a possible implementation, the knob includes:

[0015] A rotating seat is provided in an annular structure, the rotating hole is opened through the rotating seat, and the indicating member is provided on the rotating seat; and

[0016] The support is spaced apart from the rotating seat along the axial direction of the mounting through hole through the second connecting member, and the switch hole is arranged on the support.

[0017] In one possible implementation, a first installation gap is formed between the support and the rotating seat, and a second installation gap is formed between the panel and the assembly end, the second installation gap is used to cooperate with the second connecting member, the first installation gap is used to cooperate with the first connecting member, and the width of the first installation gap is greater than the thickness of the panel.

[0018] In a possible implementation manner, the length of the rotary seat in the axial direction of the mounting through hole is greater than the length of the first connecting member in the axial direction of the mounting through hole.

[0019] In a possible implementation, an annular hole is formed through the support, and a sub-seat is formed inside the support, the switch hole is formed on the sub-seat, and a plurality of reinforcing ribs are arranged in the annular hole, and two ends of each reinforcing rib are respectively connected to the support and the sub-seat.

[0020] In a second aspect, the present application provides a household appliance, comprising the knob assembly as described in the first aspect.

[0021] The above technical solution provided by the embodiment of the present application has the following advantages compared with the prior art:

[0022] The knob assembly and household appliance having the same provided in the present embodiment, the knob of the knob assembly is rotatably arranged in the mounting through hole, and rotates relative to the first connecting member, that is, rotates relative to the panel connected to the first connecting member. During the rotation of the knob, the indicator members on the knob are respectively aligned with the identification members on the panel. The identification members are used to identify the working gear of the device, and the indication of the indicator members facilitates the user to understand the current working gear of the device for the user's use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0025] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0026] Figure 1 A schematic diagram of the structure of a knob assembly provided in an embodiment of the present application.

[0027] Figure 2 A schematic diagram of the structure of a knob assembly after the knob is rotated provided in an embodiment of the present application.

[0028] Figure 3 An exploded view of a knob assembly provided in an embodiment of the present application.

[0029] Figure 4 A schematic structural diagram of a housing in a knob assembly provided in an embodiment of the present application.

[0030] Figure 5 A schematic diagram of the structure of a knob in a knob assembly provided in an embodiment of the present application.

[0031] Figure 6 A stereoscopic diagram of a knob in a knob assembly provided in an embodiment of the present application.

[0032] Figure 7 A side view of a knob in a knob assembly provided in an embodiment of the present application.

[0033] Description of reference numerals:

[0034] 1. First shell; 2. Second shell; 3. Mounting through hole; 4. Panel; 5. First connecting piece; 6. Second connecting end; 7. Positioning protrusion; 8. Positioning groove; 9. Shift switch; 10. Switch seat; 11. Switch shaft; 12. Switch hole; 13. Rotary seat; 14. Rotary hole; 15. Indicator; 16. Identification piece; 17. Support; 18. Second connecting piece; 19. First mounting gap; 20. Second mounting gap; 21. Sub-seat; 22. Reinforcing rib; 23. Switch bracket; 24. First connecting end; 25. Knob. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0036] The disclosure below provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0037] For ease of description, spatial relative terms may be used herein to describe the relative positional relationship or movement of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", "front", "back", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure undergoes a position flip or a posture change or a motion state change, then these directional indications also change accordingly, for example: an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative descriptors used herein are interpreted accordingly.

[0038] Reference Figure 1-Figure 7, an embodiment of the present application provides a knob assembly, comprising:

[0039] The housing has an assembly end, and a mounting through hole 3 is formed through the assembly end;

[0040] A panel 4 is connected to the assembly end through a first connecting member 5, and is arranged in alignment with the mounting through hole 3, and is spaced apart from the assembly end in the axial direction of the mounting through hole 3, and the panel 4 is provided with a plurality of identification members 16 at intervals in the circumferential direction of the mounting through hole 3; and

[0041] The knob 25 is arranged on the housing, located in the mounting hole 3, and rotatably cooperates with the first connecting member 5. The knob 25 is provided with a rotation hole 14 along the axial direction of the mounting hole 3, and the panel 4 is located in the rotation hole 14. The knob 25 is provided with an indicator 15 for aligning with the identification member 16.

[0042] The knob 25 is rotatably disposed in the mounting through hole 3 and rotates relative to the first connecting member 5, that is, relative to the panel 4 connected to the first connecting member 5. During the rotation of the knob 25, the indicator 15 located on the knob 25 is respectively aligned with the identification members 16 located on the panel 4. The identification members 16 are used to identify the working gear of the device, and the indication of the indicator 15 is used to facilitate the user to understand the current working gear of the device for the user's use.

[0043] In some embodiments, the housing includes a first shell 1 and a second shell 2, wherein the first shell 1 has a first connection end 24, and the panel 4 is connected to the first connection end 24 through the first connection member 5; the second shell 2 is assembled and connected to the first shell 1, and has a second connection end 6, the first connection end 24 and the second connection end 6 are spliced ​​with each other and the mounting through hole 3 is formed inside, and the splicing place of the first connection end 24 and the second connection end 6 is the assembly end. The assembly connection between the second shell 2 and the first shell 1 includes a fixed connection between the second shell 2 and the first shell 1, for example, in the form of welding or bonding; of course, the assembly connection between the second shell 2 and the first shell 1 also includes a detachable connection between the second shell 2 and the first shell 1, for example, in the form of snap-on or screw-on. In this application, in order to facilitate installation, disassembly and maintenance, the second shell 2 and the first shell 1 are connected in a detachable manner.

[0044] Reference Figure 1-Figure 7In some embodiments, the knob assembly further includes a positioning assembly, the positioning assembly including a positioning protrusion 7 and a positioning groove 8 that are embedded and matched, one of the positioning protrusion 7 and the positioning groove 8 is arranged at the first connecting end 24, and the other is arranged at the second connecting end 6. The arrangement of the positioning protrusion 7 and the positioning groove 8 facilitates the connection and positioning between the first shell 1 and the second shell 2, and ensures the reliability of the relative position of the first shell 1 and the second shell 2 after the connection. In the present application, the positioning groove 8 is arranged on the first shell 1, the positioning protrusion 7 is arranged on the second shell 2, and the positioning protrusion 7 is embedded in the positioning groove 8, so as to realize the positioning between the first shell 1 and the second shell 2. Afterwards, the first shell 1 and the second shell 2 can be connected by means such as snap connection or screw connection.

[0045] In some embodiments, the knob assembly further includes a gear switch 9, the gear switch 9 includes a switch seat 10 disposed on the housing, the switch seat 10 is provided with a switch shaft 11, the knob 25 is provided with a switch hole 12 for cooperating with the switch shaft 11, the switch shaft 11 and the knob 25 are coaxially arranged; when the knob 25 rotates, the switch shaft 11 is driven to rotate synchronously, thereby adjusting the working gear of the gear switch 9, and marking it through the identification member 16. It can be known that the cooperation between the switch hole 12 and the switch shaft 11 is that the switch hole 12 and the switch shaft 11 are connected to each other to realize that the rotation of the switch hole 12 can drive the synchronous rotation of the switch shaft 11. Including, the switch shaft 11 is embedded and fixed in the switch hole 12, for example, the switch shaft 11 is embedded in the switch, and the switch shaft 11 is fixed in the switch hole 12 by means of glue or other components; in addition, the switch hole 12 can also adopt a non-circular hole structure, so that the switch shaft 11 can also be movably arranged in the switch hole 12, and the rotation of the switch hole 12 will also drive the synchronous rotation of the switch shaft 11. Optionally, the cross section of the switch shaft 11 includes a semicircle, or the cross section of the switch shaft 11 is a rectangular, triangular or other polygonal shape.

[0046] Reference Figure 1-Figure 7 In some embodiments, the knob 25 includes a rotary seat 13 and a support 17, wherein the rotary seat 13 is provided in an annular structure, the rotary hole 14 is opened through the rotary seat 13, and the indicator 15 is provided on the rotary seat 13; the support 17 is spaced apart from the rotary seat 13 along the axial direction of the mounting through hole 3 through the second connecting member 18, and the switch hole 12 is provided on the support 17. The support 17 is located inside the mounting through hole 3 and is used to cooperate with the gear switch 9, and the rotary seat 13 is located in the mounting through hole 3 and is provided at the assembly end to close the mounting through hole 3. The rotary seat 13 and the support 17 are connected by the second connecting member 18, which can not only ensure the reliability of the position between the two, but also reduce the cost of the knob 25 and the preparation materials of the knob 25.

[0047] A first installation gap 19 is formed between the support 17 and the rotary seat 13, and a second installation gap 20 is formed between the panel 4 and the assembly end. The second installation gap 20 is used to cooperate with the second connecting member 18, and the first installation gap 19 is used to cooperate with the first connecting member 5, and the width of the first installation gap 19 is greater than the thickness of the panel 4. By making the width of the first installation gap 19 greater than the thickness of the panel 4, it can be ensured that the panel 4 can stably extend into the first installation gap 19 and perform subsequent installation to avoid assembly interference. During installation, the panel 4 first passes through the second installation gap 20 along the radial direction of the installation through hole 3 and is located at a position relative to the rotary seat 13, that is, at this time, the panel 4 and the rotary seat 13 are spaced apart along the axial direction of the installation through hole 3. Then, the panel 4 is moved toward the direction close to the rotary seat 13 and embedded in the rotary hole 14 of the rotary seat 13, thereby realizing the connection between the knob 25 and the panel 4.

[0048] It can be known that the gear switch 9 can be first installed on the housing, for example, on the first housing 1, and when the panel 4 moves toward the direction close to the rotary seat 13, the switch shaft 11 of the gear switch 9 is embedded in the switch hole 12 of the support 17; of course, the gear switch 9 can also be installed on the housing after the first housing 1 and the knob 25 are assembled, and then the switch shaft 11 is embedded in the switch hole 12 of the support 17. The knob assembly provided in the embodiment of the present application does not limit the assembly order of the components.

[0049] Reference Figure 1-Figure 7 In addition, in order to ensure the stable rotation of the knob 25, the first connecting member 5 and the second connecting member 18 should not interfere with each other during the rotation of the knob 25. Exemplarily, the first connecting member 5 and the second connecting member 18 are both arc-shaped structural members, and after the knob 25 is assembled with the first housing 1, both ends of the first connecting member 5 and the second connecting member 18 have movable spaces. During the rotation of the knob 25, the second connecting member 18 will be movably arranged in the movable space, thereby ensuring its stable rotation.

[0050] The length of the rotary seat 13 in the axial direction of the mounting through hole 3 is greater than the length of the first connecting member 5 in the axial direction of the mounting through hole 3; thereby, the thickness of the rotary seat 13 is greater than the width of the first connecting member 5, thereby ensuring that after the rotary seat 13 and the first shell 1 are assembled, the rotary seat 13 can completely wrap the first connecting member 5 inside it, thereby protecting the first connecting member 5 and also providing overall aesthetics of the device.

[0051] The support 17 is provided with an annular hole, and a sub-seat 21 is formed inside the support 17. The switch hole 12 is formed on the sub-seat 21. A plurality of reinforcing ribs 22 are provided in the annular hole, and the two ends of each reinforcing rib 22 are respectively connected to the support 17 and the sub-seat 21. The plurality of reinforcing ribs 22 are provided to improve the connection strength between the sub-seat 21 and the support 17, thereby improving the overall structural strength and ensuring the safety of the device.

[0052] Reference Figure 1-Figure 7 In some embodiments, the knob assembly further includes a switch bracket 23, and the switch bracket 23 is disposed on the first housing 1. The switch bracket 23 can be connected to the first housing 1 by welding or bonding, and of course, the switch bracket 23 can also be screwed or snapped and detachably disposed on the first housing 1. In the present application, a mounting column is disposed on the first housing 1, and a first screw hole is provided on the mounting column, and a second screw hole is provided through the position where the switch bracket 23 and the first screw hole are aligned, and the first screw hole and the second screw hole are locked and fixed by positioning screws. Of course, in order to improve the stability of the connection between the switch bracket 23 and the first housing 1, two or more mounting columns can be provided, and correspondingly, a plurality of second screw holes for matching with the plurality of first screw holes are provided on the first housing 1, and are locked and fixed respectively by a plurality of positioning screws. The gear switch 9 is detachably disposed on the switch bracket 23, for example, by snapping or screwing.

[0053] Reference Figure 1-Figure 7 In summary, in the knob assembly provided by the embodiment of the present application, after the switch bracket 23 is fixed to the first housing 1, the gear switch 9 is fixed to the switch bracket 23, and then the knob 25 is placed above the first housing 1, and the first installation gap 19 is placed at the panel 4 at an angle parallel to the panel 4. At this time, the knob 25 is coaxial with the switch shaft 11 of the gear switch 9, and then the knob 25 is installed in the direction of the gear switch 9, so that the panel 4 is installed in the rotation hole 14. At this time, the panel 4 is placed on the inner side of the knob 25, and the switch shaft 11 of the gear switch 9 is installed in the switch hole 12 of the knob 25, and then the second housing 2 is fixed to the first housing 1. The knob 25 can be rotated at a certain angle. When rotating, the indicator 15 on the knob 25 indicates on the corresponding identification member 16 on the panel 4, so that the current working gear is known and the working gear is selected.

[0054] Reference Figure 1-Figure 7 The present application also provides a household appliance, which includes the knob assembly described in the above embodiment. It can be known that the household appliance includes but is not limited to fans, humidifiers, heaters and other electrical appliances.

[0055] It should be understood that the terms used herein are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive, and therefore specify the existence of stated features, steps, operations, elements and / or parts, but do not exclude the existence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0056] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0057] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A knob assembly, characterized in that: include: The housing has an assembly end, and a mounting through hole is formed through the assembly end; A panel connected to the assembly end through a first connecting member, arranged in alignment with the mounting through hole, and spaced apart from the assembly end in the axial direction of the mounting through hole, wherein the panel is provided with a plurality of identification members spaced apart in the circumferential direction of the mounting through hole; and A knob is arranged on the housing, located in the mounting through hole, and rotatably cooperates with the first connecting member. The knob is provided with a rotation hole along the axial direction of the mounting through hole, the panel is located in the rotation hole, and an indicator member for aligning with the identification member is arranged on the knob.

2. The knob assembly according to claim 1, characterized in that: The housing comprises: A first housing having a first connecting end, the panel being connected to the first connecting end via the first connecting member; and The second shell is assembled and connected with the first shell and has a second connecting end. The first connecting end and the second connecting end are spliced ​​with each other and have the mounting through hole formed therein. The splicing point of the first connecting end and the second connecting end is the assembly end.

3. The knob assembly according to claim 2, characterized in that: It also includes a positioning component, which includes a positioning protrusion and a positioning groove that are embedded and matched. One of the positioning protrusion and the positioning groove is arranged at the first connecting end, and the other is arranged at the second connecting end.

4. The knob assembly according to claim 1, characterized in that: It also includes a gear switch, which includes a switch seat arranged on the shell, a switch shaft is arranged on the switch seat, a switch hole for matching with the switch shaft is arranged on the knob, and the switch shaft and the knob are arranged coaxially.

5. The knob assembly according to claim 4, characterized in that: The cross section of the switch shaft includes a semicircle.

6. The knob assembly according to claim 4, characterized in that: The knob comprises: A rotating seat is provided in an annular structure, the rotating hole is penetrated through the rotating seat, and the indicating member is provided on the rotating seat; and The support is spaced apart from the rotating seat along the axial direction of the mounting through hole through the second connecting member, and the switch hole is arranged on the support.

7. The knob assembly according to claim 6, characterized in that: A first installation gap is formed between the support and the rotating seat, and a second installation gap is formed between the panel and the assembly end. The second installation gap is used to cooperate with the second connecting member, and the first installation gap is used to cooperate with the first connecting member, and the width of the first installation gap is greater than the thickness of the panel.

8. The knob assembly according to claim 6, characterized in that: The length of the rotary seat in the axial direction of the mounting through hole is greater than the length of the first connecting member in the axial direction of the mounting through hole.

9. The knob assembly according to claim 6, characterized in that: The support is provided with an annular hole, and a sub-seat is formed inside the support. The switch hole is formed on the sub-seat. A plurality of reinforcing ribs are arranged inside the annular hole, and two ends of each reinforcing rib are respectively connected to the support and the sub-seat.

10. A household appliance, characterized in that: Comprising the knob assembly as described in any one of claims 1-9.

Images