CN110858527B - Knob assembly and household appliance - Google Patents
Knob assembly and household appliance Download PDFInfo
- Publication number
- CN110858527B CN110858527B CN201810975622.4A CN201810975622A CN110858527B CN 110858527 B CN110858527 B CN 110858527B CN 201810975622 A CN201810975622 A CN 201810975622A CN 110858527 B CN110858527 B CN 110858527B
- Authority
- CN
- China
- Prior art keywords
- knob
- side wall
- water
- water retaining
- knob assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/10—Movable parts; Contacts mounted thereon
- H01H19/14—Operating parts, e.g. turn knob
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to the technical field of switches, in particular to a knob assembly and a household appliance with the knob assembly. The knob assembly comprises a knob and a dial switch, wherein a plurality of elastic buckles are arranged on the inner side wall of the knob, a plurality of clamping grooves matched with the elastic buckles are arranged on the outer side wall of the dial switch, more than one reference part is arranged on the outer side wall of the knob, and each reference part is opposite to one elastic buckle. According to the knob assembly provided by the invention, at least one reference part is arranged on the outer side wall of the knob, and each reference part is opposite to one elastic buckle. When the elastic buckle and the clamping groove are installed, the installation task of the knob assembly can be completed by directly pressing down the knob just by aligning the reference part with the clamping groove before installation, and compared with the prior art, the elastic buckle and the clamping groove are aligned after the installer is not required to overturn the knob to observe the specific position of the elastic buckle. Thereby saving the time required for the installer to install the knob assembly.
Description
Technical Field
The invention relates to the technical field of switches, in particular to a knob assembly and a household appliance with the knob assembly.
Background
The knob assembly is arranged on a control panel of the washing machine in the prior art and used for selecting a washing mode or washing time or dewatering time, the knob assembly on the prior washing machine comprises a knob and a dial switch fixed on the control panel of the washing machine, the knob is clamped with the dial switch on the control panel, particularly an elastic buckle is arranged on the inner side wall of the knob, a reference part matched with the elastic buckle is arranged on the dial switch, after the elastic buckle is clamped in the reference part, the knob and the dial switch can be connected, so that the dial switch can rotate along with the rotation of the knob, and in order to prevent the elastic buckle from moving relative to the reference part, the reference part is of a non-circular structure. Meanwhile, in the connection process of the two, the reference part and the elastic buckle cannot be observed through naked eyes after the knob is covered on the dial switch, so that the reference part and the elastic buckle can be matched and installed only by finding the opposite positions in a certain time in the installation process, and the installation efficiency is directly affected.
Therefore, there is a need to provide a knob assembly that can solve the problem of low installation efficiency caused by long installation time of the existing knob assembly in the installation process.
Disclosure of Invention
The invention aims to provide a knob assembly and a household appliance, which can make a knob and a dial switch refer to each other during installation, so that an installation technician can clearly know the approximate position of a protrusion, and the aim of quick installation is fulfilled.
To achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a knob subassembly, including knob and dial switch, be provided with a plurality of elasticity buckles on the inside wall of knob, be provided with a plurality of with elasticity buckle complex draw-in groove on the lateral wall of dial switch, be provided with more than one reference portion on the lateral wall of knob, every reference portion all with one elasticity buckle is just to setting up.
As a preferable scheme of the invention, a plurality of elastic buckles are circumferentially and uniformly distributed on the inner side wall of the knob, and a plurality of clamping grooves are circumferentially and uniformly distributed on the outer side wall of the dial switch.
As a preferable scheme of the invention, the knob comprises a working part and a water receiving disc connected with the working part, and the water receiving disc is arranged at one end of the working part, which is close to the bottom of the dial switch.
As a preferable mode of the invention, the water receiving tray and the working part are integrally formed.
As a preferred aspect of the present invention, the water receiving tray includes a first water blocking wall and a second water blocking wall, and the first water blocking wall is connected to the second water blocking wall and the working portion, respectively.
As a preferable mode of the present invention, the reference portion is provided on an outer side wall of the second water blocking wall.
As a preferable mode of the invention, an included angle between the second water retaining wall and the first water retaining wall is more than or equal to 90 degrees.
As a preferable scheme of the invention, the knob assembly further comprises a water retaining ring, the water retaining ring is arranged in a mounting hole of a shell of the household appliance, and the free end of the water retaining ring stretches into a water retaining groove formed by the water receiving disc.
The invention also provides a household appliance, which comprises the knob assembly and further comprises a shell, wherein the shell is provided with a mounting hole.
As a preferable mode of the invention, a plurality of stabilizing bulges for preventing the knob from shaking are arranged in the mounting hole; the stabilizing protrusions are circumferentially and uniformly distributed on the inner side wall of the mounting hole.
The invention has the beneficial effects that:
according to the knob assembly provided by the invention, at least one reference part is arranged on the outer side wall of the knob, and each reference part is opposite to one elastic buckle. When the elastic buckle and the clamping groove are installed, the installation task of the knob assembly can be completed by directly pressing down the knob just by aligning the reference part with the clamping groove before installation, and compared with the prior art, the elastic buckle and the clamping groove are aligned after the installer is not required to overturn the knob to observe the specific position of the elastic buckle. Thereby saving the time required for the installer to install the knob assembly.
When the knob assembly is installed, due to the existence of the reference part, an installer can obtain the approximate position of the elastic buckle of the knob, so that the buckle and the clamping groove can be aligned rapidly, and the aim of rapid installation is fulfilled.
Drawings
FIG. 1 is a schematic view of a knob according to an embodiment of the present invention mounted on a housing;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic view of a structure in which a knob assembly is installed to a housing of a home appliance according to an embodiment of the present invention;
FIG. 4 is a partial enlarged view at B in FIG. 3;
fig. 5 is an exploded view showing a case of a home appliance provided with a knob assembly according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a home appliance according to an embodiment of the present invention.
In the figure:
1. a knob; 11. a working section; 111. an elastic buckle; 12. a water receiving tray; 121. a first water blocking wall; 122. a second water blocking wall; 123. a reference section; 2. a dial switch; 21. a clamping groove; 3. a water blocking ring; 4. a housing; 41. a mounting hole; 411. a stabilizing protrusion; 5. a PCB board; 6. fixing the rear shell; 7. a display screen; 8. and (5) a screw.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be further described by the following detailed description with reference to the accompanying drawings.
In this embodiment, a knob assembly is provided, which can be installed quickly, and save installation time.
As shown in fig. 1-4, the knob assembly comprises a knob 1 and a dial switch 2, wherein a plurality of elastic buckles 111 are arranged on the inner side wall of the knob 1, a plurality of clamping grooves 21 matched with the elastic buckles 111 are arranged on the outer side wall of the dial switch 2, more than one reference part 123 is arranged on the outer side wall of the knob 1, and each reference part 123 is opposite to one elastic buckle 111. The dial switch 2 is arranged on the PCB board 5. When the elastic buckle 111 and the clamping groove 21 are installed, the installation task of the knob assembly can be completed by directly pressing down the knob 1 just by aligning the reference part 123 with the clamping groove 21 before installation, and compared with the prior art, the elastic buckle and the clamping groove 21 are aligned after the user is not required to overturn the knob 1 to observe the specific position of the elastic buckle. Thereby saving the time required for the user to install the knob assembly.
It should be noted that, a plurality of elastic buckles 111 are circumferentially and uniformly distributed on the inner side wall of the knob 1, and a plurality of clamping grooves 21 are circumferentially and uniformly distributed on the outer side wall of the dial switch 2 (refer to fig. 5). The number of the elastic buckles 111 is three in the present embodiment, and the number of the corresponding clamping grooves 21 is also three, and for the number of the reference parts 123, it is preferable to be three in the present embodiment, that is, each reference part 123 faces one elastic buckle, and the reference parts 123 are also circumferentially arranged on the outer side wall of the knob 1. The reference portion 123 may be a groove or a protrusion, so long as the reference portion can be aligned with the elastic buckle 111 to achieve the purpose of rapidly installing the knob assembly.
As shown in fig. 1 and 2, the knob 1 in this embodiment includes a working portion 11 and a water receiving tray 12 connected to the working portion 11, where the water receiving tray 12 is disposed at one end of the working portion 11 near the bottom of the dial switch 2. Because this knob 1 sets up on the slope lateral wall of domestic appliance, when domestic appliance is clean electrical apparatus, often can cause rivers to influence the work of knob subassembly in the knob subassembly, and set up water collector 12 in this embodiment and then can stop along the water of working portion 11 inflow knob 1 bottom to prevent rivers to PCB board 5.
Specifically, as shown in fig. 2, the water receiving tray 12 includes a first water blocking wall 121 and a second water blocking wall 122, and the first water blocking wall 121 is connected to the second water blocking wall 122 and the working portion 11, respectively. The included angle between the second water blocking wall 122 and the first water blocking wall 121 is greater than or equal to 90 °. That is, the free end of the second water blocking wall 122 extends away from the working portion 11, which can greatly increase the water receiving area of the water receiving tray 12 and improve the water resistance of the knob 1. It should be noted that, the water pan 12 and the working portion 11 are integrally formed, and this arrangement can ensure that the junction of the water pan 12 and the working portion 11 will not leak water, and no waterproof structure is required to be added at the junction. And the reference portion 123 is provided on the outer side wall of the second water blocking wall 122.
As shown in fig. 2, the knob assembly further comprises a water retaining ring 3, wherein the water retaining ring 3 is disposed on the housing 4 of the household appliance, and the free end of the water retaining ring 3 extends into a water retaining groove formed by the water receiving disc 12 of the knob 1 and is suspended, i.e. the free end of the water retaining ring 3 is not in contact with the inner side wall of the water retaining groove. The water blocking ring 3 and the water receiving tray 12 cooperate to block water flowing in from the mounting hole 41 to prevent water from flowing out of the water receiving tray 12 or splashing out of the water receiving tray 12.
In this embodiment, as shown in fig. 5 and 6, a household appliance is provided, which includes the knob assembly described above. The household appliance can be a washing machine or a kitchen water heater (namely kitchen appliance). The household appliance further comprises a shell 4, wherein a mounting hole 41 capable of penetrating through the knob 1 is formed in the shell 4, the mounting hole 41 extends to the inner side of the shell 4 and is provided with the water retaining ring 3, the knob 1 is perpendicular to the shell 4, and the part of the shell 4, where the knob 1 is arranged, is inclined relative to the horizontal plane.
Since the portion of the housing 4 where the knob 1 is disposed is inclined with respect to the horizontal plane, the knob 1 is abutted against a portion of the sidewall of the mounting hole 41 by gravity to form a larger gap at other positions, so that water is easier to flow into the mounting hole 41, and in order to solve the above-mentioned problems, as shown in fig. 5, the housing 4 further includes a plurality of stabilizing protrusions 411 for preventing the knob 1 from shaking; the plurality of stabilizing protrusions 411 are circumferentially and uniformly distributed on the inner side wall of the mounting hole 41 or the water retaining ring 3.
The plurality of stabilizing protrusions 411 are circumferentially and uniformly distributed on the inner side wall of the mounting hole 41 or the water blocking ring 3, so that the knob 1 can be supported by the stabilizing protrusions 411 along the circumferential direction, and therefore, the gap between the knob 1 and the mounting hole 41 is kept uniform in the circumferential direction. Note that the shape of the stabilizing protrusions 411 is not particularly limited in the present embodiment, but it should not affect the rotation of the knob 1.
As shown in fig. 5, the household appliance further comprises a display screen 7 and a fixed rear shell 6 connected with the shell 4, wherein the display screen 7 is adhered or clamped at one end of the knob 1, which does not extend into the shell 4, and is specifically adhered and fixed through double-sided adhesive tape or clamped and fixed through a connecting buckle. The display screen 7 is mainly used for displaying brightness and is used for reminding a user that the household appliance is in an electrified state. The fixed backshell 6 passes through screw 8 to be fixed on shell 4, and fixed backshell 6 and shell 4 form can place the accommodation chamber of knob subassembly, and PCB board 5 passes through screw 8 to be fixed on fixed backshell 6, and this kind of structure can be fixed the knob subassembly on the inside wall of shell 4.
The household appliance provided by the embodiment comprises the knob assembly, and the knob assembly can be assembled quickly, so that the household appliance can be assembled quickly.
Note that the basic principles and main features of the present invention and advantages of the present invention are shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (4)
1. The knob assembly is characterized by comprising a knob (1) and a dial switch (2), wherein a plurality of elastic buckles (111) are arranged on the inner side wall of the knob (1), a plurality of clamping grooves (21) which are matched with the elastic buckles (111) one by one are arranged on the outer side wall of the dial switch (2), more than one reference part (123) is arranged on the outer side wall of the knob (1), and each reference part (123) is opposite to one elastic buckle (111);
the knob (1) comprises a working part (11) and a water receiving disc (12) connected with the working part (11), wherein the water receiving disc (12) is arranged at one end, close to the bottom of the dial switch (2), of the working part (11);
the water receiving disc (12) comprises a first water retaining wall (121) and a second water retaining wall (122), the first water retaining wall (121) is respectively connected with the second water retaining wall (122) and the working part (11), and an included angle between the second water retaining wall (122) and the first water retaining wall (121) is more than or equal to 90 degrees;
the reference part (123) is arranged on the outer side wall of the second water retaining wall (122);
a plurality of elastic buckles (111) are circumferentially and uniformly distributed on the inner side wall of the knob (1), and a plurality of clamping grooves (21) are circumferentially and uniformly distributed on the outer side wall of the dial switch (2);
the knob assembly further comprises a water retaining ring (3), the water retaining ring (3) is arranged in a mounting hole (41) of a shell (4) of the household appliance, and the free end of the water retaining ring (3) stretches into a water retaining groove formed by the water receiving disc (12).
2. The knob assembly according to claim 1, wherein the water pan (12) is integrally formed with the working portion (11).
3. A household appliance, characterized by comprising a knob assembly according to claim 1 or 2, and further comprising a housing (4), said housing (4) being provided with mounting holes (41).
4. A household appliance according to claim 3, wherein a plurality of stabilizing protrusions (411) for preventing the knob (1) from shaking are provided in the mounting hole (41); the stabilizing protrusions (411) are circumferentially and uniformly distributed on the inner side wall of the mounting hole (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810975622.4A CN110858527B (en) | 2018-08-24 | 2018-08-24 | Knob assembly and household appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810975622.4A CN110858527B (en) | 2018-08-24 | 2018-08-24 | Knob assembly and household appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110858527A CN110858527A (en) | 2020-03-03 |
| CN110858527B true CN110858527B (en) | 2023-09-08 |
Family
ID=69636389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810975622.4A Active CN110858527B (en) | 2018-08-24 | 2018-08-24 | Knob assembly and household appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110858527B (en) |
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| CN206907699U (en) * | 2017-03-20 | 2018-01-19 | 厦门歌乐电子企业有限公司 | A kind of structure for preventing turn press button press-side card key |
| TWM547746U (en) * | 2017-04-20 | 2017-08-21 | Diptronics Mfg Inc | Improved knob switch structure |
| CN107591273A (en) * | 2017-07-31 | 2018-01-16 | 惠州市德赛西威汽车电子股份有限公司 | A kind of moment of torsion can on-line tuning knob |
| CN207165473U (en) * | 2017-08-08 | 2018-03-30 | 江苏正通电子股份有限公司 | A kind of automotive light switch |
| CN207264953U (en) * | 2017-09-06 | 2018-04-20 | 上海汇博精工电子科技有限公司 | A kind of construction of switch of waterproof and dustproof |
| CN207397979U (en) * | 2017-11-13 | 2018-05-22 | 浙江特洁尔智能洁具有限公司 | A kind of knob structure for intellectual water closet |
| CN207406518U (en) * | 2017-11-15 | 2018-05-25 | 广东美的环境电器制造有限公司 | Switch installing structure and electric fan |
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