Electrical equipment with knob assembly

Abstract

The utility model discloses electrical equipment with a knob assembly, which comprises a plurality of elastic conductive parts for conductively connecting the knob assembly and a knob mounting accessory, the knob assembly comprises a first matching area, the knob mounting accessory comprises a second matching area, the first matching area is provided with a plurality of first electric connection positions, and the second matching area is provided with a plurality of second electric connection positions. The second matching area is provided with a plurality of second electric connection positions, and the second matching area and the first matching area are connected through a connection structure, so that the two ends of the elastic conductive part are in conductive connection with the first electric connection positions and the second electric connection positions respectively. The knob assembly is electrically connected with the display assembly through the spring probe (power supply and data interaction of equipment to the knob assembly are achieved), and the magnetic part on the knob assembly and the magnetic part on the display assembly attract each other so that the elastic telescopic end of the spring can make close contact with the second electric connection position. Therefore, the knob assembly and the display assembly are relatively convenient to assemble or disassemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to a control device technical field especially a kind of electric appliance with knob assembly. BACKGROUND

[0002] At present, there are many household appliances such as integrated stove, steamer, oven and the like on the market, which need to use knobs to realize the function of human-computer interaction operation. However, in the related technology of knob with screen, the design of the installation structure is basically divided into two types: one is the design of wireless power supply, which is similar to the technology of wireless charger, that is, a transmitting or receiving coil is arranged in the device and the knob respectively, wireless power supply is realized by electromagnetic coupling of the coil, and data interaction between the knob and the device is realized by Bluetooth and other wireless communication technologies. The advantage of this method is that the panel does not need to be opened, and the device itself realizes waterproof and convenient cleaning. However, since the device end and the knob end need to be designed with wireless power supply coil, circuit and wireless communication circuit, the structure, circuit and software are complex, the cost is increased, and the practicality is relatively poor. The other is the design of power supply and data connection between the device and the knob through wire, that is, a hole position for installing the knob is opened on the panel, and the connecting wire must be designed to have enough length to realize the installation. The wire is electrically connected to the device circuit board assembly or the knob at one end, the device side circuit board assembly or the knob is first installed and fixed to the device, and the other side is separated by a certain distance in space, so that the wire is electrically connected to the other side after passing through the opening of the panel, and then mechanically fixed. Therefore, the installation process needs to be manually operated at least once or twice to electrically connect (such as inserting the plug of the wire into the socket), and the excess length of the wire needs to be arranged to complete the installation. The installation and maintenance process is complicated, which limits the application of the knob in household appliances. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the above technical problems and designs a kind of electric appliance with knob assembly. The electric appliance with knob assembly designed by the utility model is characterized by comprising knob assembly, knob installation accessory and a plurality of elastic conductive parts for electrically connecting the knob assembly and the knob installation accessory. The knob assembly is provided with a display screen. The knob assembly comprises a first matching area. The knob installation accessory comprises a second matching area. A plurality of first electrical connection positions are arranged on the first matching area. A plurality of second electrical connection positions are arranged on the second matching area. The second matching area and the first matching area are connected to each other through a connecting structure, so that the two ends of the elastic conductive part are electrically connected to the first electrical connection position and the second electrical connection position respectively.

[0004] According to the electric appliance with knob assembly as described above, the connecting structure comprises two magnets arranged in positions corresponding to each other, the two magnets are respectively installed on the first matching area and the second matching area, and the two magnets are magnetically connected to each other, or the connecting structure comprises a magnet and a magnetic piece attracted by the magnet, the magnetic piece is arranged in a position corresponding to the magnet, the magnetic piece and the magnet are respectively installed on the first matching area and the second matching area, and the magnetic piece and the magnet are magnetically connected to each other.

[0005] According to the electric appliance with knob assembly as described above, the elastic conductive piece is a spring probe, a fixed end of the spring probe is fixed to the second electric connection position, and an elastic telescopic end of the spring probe is in contact with the first electric connection position, or the fixed end of the spring probe is fixed to the first electric connection position, and the elastic telescopic end of the spring probe is in contact with the second electric connection position.

[0006] According to the electric appliance with knob assembly as described above, the first matching area comprises a first positioning sleeve, the second matching area comprises a positioning groove matched with the shape of the first positioning sleeve, and the first positioning sleeve is matched in the positioning groove.

[0007] According to the electric appliance with knob assembly as described above, the first matching area comprises a first positioning sleeve, the second matching area comprises a second positioning sleeve, the second positioning sleeve is sleeved on the outer wall of the first positioning sleeve, or the first positioning sleeve is sleeved on the outer wall of the second positioning sleeve.

[0008] According to the electric appliance with knob assembly as described above, the second positioning sleeve is provided with a first positioning recess, the first positioning sleeve is provided with a first positioning protrusion, or the second positioning sleeve is provided with a first positioning protrusion, the first positioning sleeve is provided with a first positioning recess, and the first positioning protrusion is matched in the first positioning recess.

[0009] According to the electric appliance with knob assembly as described above, the second positioning sleeve is provided with a second positioning recess, the first positioning sleeve is provided with a second positioning protrusion, or the second positioning sleeve is provided with a second positioning protrusion, the first positioning sleeve is provided with a second positioning recess, and the second positioning protrusion is matched in the second positioning recess.

[0010] According to the electric appliance with knob assembly as described above, the first matching area further comprises a third positioning sleeve, the second matching area further comprises a positioning column, or the first matching area further comprises a positioning column, the second matching area further comprises a third positioning sleeve, and the positioning column is matched in the third positioning sleeve.

[0011] According to the above-mentioned electric appliance with knob assembly, the upper surface of the knob assembly is provided with a display screen, the inside of the knob assembly is provided with a knob circuit board, the knob circuit board is provided with an encoder, the knob assembly comprises a rotating part connected with the rotating part of the encoder, the first electrical connection position of the knob assembly is arranged on the knob circuit board, and the end of the electrical connection part of the display screen is electrically connected with the knob circuit board after sequentially penetrating through the upper surface of the knob assembly and the center hole of the encoder.

[0012] According to the above-mentioned electric appliance with knob assembly, the elastic conductive part is a spring probe; the lower surface of the knob assembly is provided with a first positioning sleeve, a first positioning convex and a second positioning convex located on the outer wall of the first positioning sleeve, and a first mounting groove, a positioning column and a positioning part located in the first positioning sleeve, the spring probe is arranged in the through hole of the positioning part, the fixed end of the spring probe is fixed with the first electrical connection position of the knob circuit board, the elastic expansion end of the spring probe is arranged on the lower surface of the positioning part, the upper surface of the knob mounting accessory is provided with a second positioning sleeve, a groove located in the range defined by the inner wall of the second positioning sleeve, a second mounting groove located in the groove, a third positioning sleeve, a plurality of positioning holes corresponding to the positions of the plurality of spring probes, and a first positioning recess and a second positioning recess located on the inner wall of the second positioning sleeve or the inner wall of the groove, the second electrical connection position is arranged on the electrical circuit board of the knob mounting accessory and corresponds to the positions below the plurality of positioning holes, and the elastic expansion end of the spring probe is in contact with the second electrical connection position after penetrating through the positioning hole.

[0013] The positions of the first mounting groove and the second mounting groove are arranged corresponding to each other, and a magnetic part is arranged in each of the two mounting grooves, the second positioning sleeve is arranged on the outer wall of the first positioning sleeve, the first positioning convex is arranged in the first positioning recess, the second positioning convex is arranged in the second positioning recess, and the positioning column is arranged in the third positioning sleeve.

[0014] According to the above-mentioned electric appliance with knob assembly, the knob assembly comprises a base, a knob circuit board and a support, the rotating part is a rotating sleeve, the knob circuit board is fixed in the base, the rotating sleeve is arranged on the base, the rotating sleeve is connected with the rotating part of the encoder through a connecting body, the support is arranged above the connecting body of the rotating sleeve, the connecting part of the support is connected with the knob circuit board after penetrating through the center hole of the encoder, and the first positioning sleeve is formed on the lower surface of the base.

[0015] According to the above-mentioned electric appliance with knob assembly, the knob mounting accessory is a display assembly or an electrical device, the panel of the display assembly or the panel of the electrical device is provided with a mounting hole, the second positioning sleeve is arranged in the mounting hole, and the lower surface of the knob assembly and the panel of the display assembly or the panel of the electrical device are sealed by a sealing sheet.

[0016] According to the above-mentioned electric appliance with knob assembly, the connecting structure is a buckle connecting structure, which comprises a buckle body and a buckle groove buckled with the buckle body.

[0017] According to the electric appliance device with the knob assembly as described above, the connecting structure comprises an adhesive layer, the knob mounting fitting is a display assembly or an electronic device, and the lower surface of the knob assembly is connected to the panel of the display assembly or the panel of the electronic device through the adhesive layer.

[0018] The electric appliance device with the knob assembly has the following beneficial effects:

[0019] 1. The display screen assembly is arranged on the top of the knob assembly, the display panel assembly is fixed to the bottom surface of the panel, the knob assembly is electrically connected to the knob mounting fitting through the spring probe (to realize power supply and data interaction of the device to the knob assembly), the magnetic member on the knob assembly and the magnetic member on the display assembly are attracted to each other, so that the elastic expansion end of the spring is in close contact with the second electric connection position to realize electrical connection, thereby making the installation or dismounting of the knob assembly and the display assembly more convenient, without the need to design a wireless power supply coil, reducing the cost of the electrical connection structure of the knob assembly and the display assembly, and improving the practicability.

[0020] 2. The cooperation structure between the first positioning sleeve and the second positioning sleeve makes the position of the knob assembly and the display assembly be positioned before the elastic expansion end of the spring is in close contact with the second electric connection position, thereby making the elastic expansion end of the spring in close contact with the second electric connection position in advance, improving the rationality of the structure design.

[0021] 3. The first positioning convex is matched in the first positioning concave, the second positioning convex is matched in the second positioning convex, and the positioning column is matched in the third positioning sleeve, so that the spring probe mounted on the knob assembly is positionally corresponding to the positioning hole, thereby realizing reliable electrical connection between the elastic expansion end of the spring probe and the second connection position. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a schematic view of the overall structure;

[0023] Figure 2 is an exploded view of the overall structure (one);

[0024] Figure 3 is an exploded view of the overall structure (two);

[0025] Figure 4 is a sectional view of the overall structure;

[0026] Figure 5 is an exploded view of the overall structure (one);

[0027] Figure 6 is an exploded view of the overall structure (three);

[0028] Figure 7is the overall structure explosion view (four);

[0029] Figure 8 is the overall structure cross-sectional explosion view (two);

[0030] Figure 9 is the overall structure cross-sectional explosion view (three).

[0031] In the figure:

[0032] Knob assembly 1, display screen 10, base 101, rotating part 102, connecting body 103, buckle block 104, electrical connecting part 105, knob circuit board 106, support 107, connecting part 108, column 109, encoder 110, buckle hole 111, rotating part 112, buckle groove 113, first matching area 11, first positioning sleeve 12, buckling body 121, first positioning convex 13, second positioning convex 14, positioning column 15, first mounting groove 16, limiting convex 161, limiting convex block 162, positioning part 18, through hole 181, positioning ring 182, elastic conductive part 19, first electrical connecting position 191, recess 20;

[0033] Knob mounting accessory 2, second matching area 21, second positioning sleeve 22, buckling groove 221, first positioning recess 23, second positioning recess 24, third positioning sleeve 25, convex part 251, second mounting groove 26, positioning convex block 28, positioning hole 281, electrical appliance circuit board 29, second electrical connecting position 291;

[0034] Panel 3, mounting hole 31;

[0035] Support frame 4; sealing sheet 5. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0037] Embodiment one:

[0038] As shown in the figure, the electric appliance device with knob assembly described in the embodiment includes a knob assembly 1, a knob mounting accessory 2, and a plurality of elastic conductive pieces 19 for electrically connecting the knob assembly 1 and the knob mounting accessory 2, the knob assembly 1 includes a first matching area 11, the knob mounting accessory 2 includes a second matching area 21, a plurality of first electric connection positions 191 are arranged on the first matching area 11, a plurality of second electric connection positions 291 are arranged on the second matching area 21, a display screen 10 is mounted on the upper surface of the knob assembly 1, the display screen 10 can also be a touch screen, an internal knob circuit board 106 is arranged in the knob assembly 1, an encoder 110 is mounted on the knob circuit board 106, the knob assembly 1 includes a rotating piece 102 connected with the rotating piece 112 of the encoder 110, the first electric connection position 191 of the knob assembly 1 is arranged on the knob circuit board 106, the end of the electric connection piece 105 of the display screen 10 passes through the upper surface of the knob assembly 1 and the center hole of the encoder 110 in sequence and then is electrically connected with the knob circuit board 106, the first matching area 11 is located on the lower surface of the knob assembly 1, the second matching area 21 is located on the upper surface of the knob mounting accessory 2, the second matching area 21 and the first matching area 11 are connected with each other through a connecting structure, so that the two ends of the elastic conductive piece 19 are electrically connected with the first electric connection position 191 and the second electric connection position 291 respectively, that is, the power supply and data interaction of the device to the knob assembly 1 are realized, the two electric connection positions are electric contact points and are respectively located on the electric appliance circuit board 29 of the knob mounting accessory 2 and the knob circuit board 106 of the knob assembly 1, a chip for display screen display control, encoder knob signal acquisition and touch screen control signal, realizing data interaction with the display panel in the knob mounting accessory and other functions is arranged on the knob circuit board 106, the first electric connection position 191, the encoder 110 and the display screen 10 are connected with the chip through electronic components and lines respectively, and the electric connection piece 105 of the display screen 10 is a flexible circuit board.

[0039] A first positioning sleeve 12 is arranged on the lower surface of the knob assembly 1, a positioning groove matched with the shape of the first positioning sleeve 12 is arranged on the upper surface of the knob mounting accessory 2, the first positioning sleeve 12 is matched in the positioning groove, the first positioning sleeve 12 and the positioning groove can adopt a circular or polygonal structure, or

[0040] The elastic conductive member 19 is a spring probe. The lower surface of the knob assembly 1 is provided with a first positioning sleeve 12, a first positioning convex 13 and a second positioning convex 14 located on the outer wall of the first positioning sleeve 12, and a first mounting groove 16, a positioning column 15 and a positioning part 18 located in the first positioning sleeve 12. The spring probe is arranged in the through hole 181 of the positioning part 18, and the fixed end of the spring probe is fixed by welding with the knob circuit board 106 and realizes the metalized hole plug-in fixed connection with the circuit on the knob circuit board, that is, this part is the first electrically connected position 191. The elastic and retractable end of the spring probe extends from the lower surface of the positioning part 18. The upper surface of the knob mounting fitting 2 is provided with a second positioning sleeve 22, a groove 20 located within the range defined by the inner wall of the second positioning sleeve 22, a second mounting groove 26 located in the groove 20, a third positioning sleeve 25, a plurality of positioning holes 281 corresponding to the positions of the spring probes, and a first positioning recess 23 and a second positioning recess 24 located on the inner wall of the second positioning sleeve 22 or the inner wall of the groove 20. The second electrically connected position 291 is arranged on the electric appliance circuit board 29 of the knob mounting fitting 2 and corresponds to the positions below the plurality of positioning holes 281. The positions of the first positioning convex 13, the second positioning convex 14, the first positioning recess 23, the second positioning recess 24, the positioning column 15 and the third positioning sleeve 25 are not limited to the above-mentioned positions. The positions of the first positioning convex 13 and the first positioning recess 23 can be interchanged, the positions of the second positioning convex 14 and the second positioning recess 24 can be interchanged, and the positions of the positioning column 15 and the third positioning sleeve 25 can be interchanged. Specifically, the second positioning convex 14 can be arranged on the inner wall of the second positioning sleeve 22, and correspondingly, the second positioning recess 24 can be arranged on the outer wall of the first positioning sleeve 12. The first positioning convex 13 can be arranged on the inner wall of the second positioning sleeve 22, and correspondingly, the first positioning recess 23 can be arranged on the outer wall of the first positioning sleeve 12. The third positioning sleeve 25 is arranged in the first matching area 11, and correspondingly, the positioning column 15 is arranged in the second matching area 21. The first positioning sleeve 12, the groove and the second positioning sleeve 22 can adopt a circular or polygonal structure.

[0041] The elastic telescopic end of the spring probe is in contact with the second electric connection site 291 after passing through the positioning hole 281; the second positioning sleeve 22 is sleeved on the outer wall of the first positioning sleeve 12, the inner wall of the second positioning sleeve 22 is in close contact with the outer wall of the first positioning sleeve 12, so as to realize the tight fitting connection between the first positioning sleeve 12 and the second positioning sleeve 22, the first positioning convex 13 is matched in the first positioning concave 23, the second positioning convex 14 is matched in the second positioning concave 14, and the positioning column 15 is matched in the third positioning sleeve 25; the first installation slot 16 and the second installation slot 26 are arranged in a position corresponding to each other, and two magnets are arranged in the first installation slot 16 and the second installation slot 26 respectively, and the two magnets are magnetically attracted to each other and magnetically connected, or a magnet and a magnetic piece attracted by the magnet are arranged in the first installation slot 16 and the second installation slot 26 respectively, and the magnetic piece and the magnet are magnetically attracted to each other and magnetically connected, so that the connecting structure includes two magnets arranged in a position corresponding to each other, or the connecting structure includes a magnet and a magnetic piece attracted by the magnet, wherein the magnetic piece can be located on the knob assembly 1, and the magnet can be located on the knob mounting fitting 2, or the magnetic piece can be located on the knob mounting fitting 2, and the magnet can be located on the knob assembly 1.

[0042] The positioning part 18 is a positioning block, the positioning hole 281 is formed on the positioning convex 28 above the second electric connection site 291, and the lower surface of the positioning block is surrounded by the positioning ring 182. When the knob mounting fitting 2 is connected with the knob assembly 1, the positioning ring 182 is sleeved on the positioning convex 28, so that the spring probe is in contact with the second electric connection site 291 and is more stable and reliable in positioning.

[0043] The limiting convex 161 is arranged at the lower end of the inner wall of the first installation slot 16, and the elastic buckle is arranged at the upper end of the inner wall, so that the magnet or the magnetic piece is fixed between the limiting convex 161 and the elastic buckle. The limiting convex 162 is arranged at the upper end of the inner wall of the second installation slot 26, and the knob circuit is blocked at the lower end of the second installation slot 26, so that the magnet or the magnetic piece is fixed between the knob circuit board 106 and the limiting convex 162 support 107. Alternatively, the magnet or the magnetic piece fixed in the installation slot can also be fixed by using adhesive or the like. The magnetic piece can be a metal block magnetic material made of iron, cobalt, nickel, manganese or the like.

[0044] The third positioning sleeve 25 is generally arranged in three and arranged in an annular array, and a plurality of convex parts 251 are formed on the inner wall of the third positioning sleeve 25, so that the positioning column 15 is arranged in tight fitting with the third positioning sleeve 25.

[0045] Another embodiment, for the spring probe mounting structure described above not only limited to the above, but also: positioning part 18 can be set in the second positioning sleeve 22, a plurality of positioning holes 281 set in the first positioning sleeve 12, a plurality of positioning holes 281 corresponding to the first connecting site 191 below, the elastic end of the spring probe through the positioning hole 281 and the second electrical contact 291 contact.

[0046] Another embodiment, the number of first positioning convex 13 and first positioning concave 23 is generally set to one, but for the number of settings not only limited to this. The number of second positioning convex 14 and second positioning concave 24 is generally set to multiple, and are arranged in annular array, but for the number of settings not only limited to this.

[0047] The knob assembly 1 comprises a base 101, a knob circuit board 106 and a bracket 107, the rotating member 102 is a rotating sleeve, the knob circuit board 106 is fixed in the base 101 by bolts, the upper surface of the knob circuit is fixed with a cover, the periphery of the cover is matched with the periphery of the base 101, the rotating sleeve is sleeved on the base 101, the rotating sleeve is connected with the rotating member 112 of the encoder 110 through the connecting body 103, the bracket 107 is located above the connecting body 103 of the rotating sleeve, the connecting body 103 is a connecting ring, the inner wall of the connecting ring forms a buckle 104, the rotating member 102 of the encoder 110 is provided with a buckle groove 113, and the buckle 104 is buckled into the buckle groove 113 to make the connecting ring sleeved and fixed on the rotating member 102 of the encoder 110, the connecting part 108 of the bracket 107 penetrates through the center hole of the encoder 110 and is connected with the knob circuit board 106, that is, the connecting part 108 is a clamping part, the knob circuit board 106 is provided with a buckle hole 111, and the clamping part is buckled in the buckle hole 111, the lower end of the column 109 of the bracket 107 abuts against the upper surface of the knob circuit board 106, so that the bracket 107 is fixed and installed, the rotating sleeve covers the outer circumferential side of the bracket 107 and the outer circumferential side of the base 101; the first positioning sleeve 12 is formed on the lower surface of the base 101.

[0048] The knob mounting assembly (2) is a display assembly or an electrical device. A mounting hole (31) is formed on a panel (3) of the display assembly or the electrical device. A second positioning sleeve (22) is arranged in the mounting hole (31). The lower surface of the knob assembly (1) is sealed by a sealing sheet (5) from the panel (3) of the display assembly or the electrical device. The sealing sheet (5) is annular. The second positioning sleeve (22) is arranged on the outer wall of the first positioning sleeve (12). After sealing, the connection between the knob assembly (1) and the display assembly is sealed, thereby preventing water and dust. The panel (3) is fixed to the connecting lug of the display assembly or the electrical device by a support frame (4). The support frame (4) and the connecting lug are fixed by bolts, buckles or adhesives. The sealing sheet (5) is made of elastic materials such as waterproof foam and rubber. The panel (3) is opaque when applied to the electrical device. However, it needs to be transparent when applied to the display assembly. The panel (3) can be made of glass or PC plastic.

[0049] Embodiment Two

[0050] The electrical device with the knob assembly described in this embodiment is similar to that in Embodiment One. However, the inner diameter of the first positioning sleeve (12) is larger than that of the second positioning sleeve (22). The first positioning sleeve (12) is arranged on the outer wall of the second positioning sleeve (22). Correspondingly, the first positioning convex (13) is arranged on the inner wall of the first positioning sleeve (12), and the first positioning concave (23) is arranged on the outer wall of the second positioning sleeve (22). Alternatively, the first positioning convex (13) is arranged on the outer wall of the second positioning sleeve (22), and the first positioning concave (23) is arranged on the inner wall of the second positioning sleeve (22). In addition, the second positioning convex (14) is arranged on the inner wall of the first positioning sleeve (12), and the second positioning concave (24) is arranged on the outer wall of the second positioning sleeve (22). Alternatively, the second positioning convex (14) is arranged on the outer wall of the second positioning sleeve (22), and the second positioning concave (24) is arranged on the inner wall of the second positioning sleeve (22).

[0051] Embodiment Three

[0052] The electrical device with the knob assembly described in this embodiment is similar to that in Embodiment One or Embodiment Two. However, the connection structure can be a buckle connection structure, which includes a buckling body (121) and a buckling groove (221) buckled with the buckling body (121). The buckling body (121) and the buckling groove (221) are arranged on the first matching area (11) and the second matching area (21), respectively. Alternatively, when the first positioning sleeve (12) is arranged on the outer wall of the second positioning sleeve (22), the inner wall of the first positioning sleeve (12) and the outer wall of the second positioning sleeve (22) are respectively provided with the buckling body (121) and the buckling groove (221). When the second positioning sleeve (22) is arranged on the outer wall of the first positioning sleeve (12), the outer wall of the first positioning sleeve (12) and the inner wall of the second positioning sleeve (22) are respectively provided with the buckling body (121) and the buckling groove (221).

[0053] Embodiment Four:

[0054] The electric appliance equipment with the knob assembly described in the embodiment is similar to the embodiment one or the embodiment two or the embodiment three, but is different from the embodiment one or the embodiment two or the embodiment three in that the connecting structure comprises a bonding layer, the knob mounting fitting (2) is a display assembly or an electronic device, the lower surface of the knob assembly (1) and the panel of the display assembly or the panel of the electronic device are connected through the bonding layer, the bonding layer is a double-sided adhesive elastic adhesive material, such as double-sided foam adhesive or double-sided adhesive rubber, etc., is firstly bonded and fixed to the first matching area 11 of the knob assembly, i.e. the lower surface of the knob assembly 1, or is firstly bonded and fixed to the second matching area 21, i.e. the upper surface of the knob mounting fitting 2, when the knob assembly is installed into the knob mounting position of the electric appliance equipment, the bonding layer is extruded, so that the lower surface of the knob assembly and the upper surface of the knob mounting fitting are bonded to each other, at this time, the elastic spring probe elastic expansion end is compressed, and the expansion end and the first electric connection position or the second electric connection position are reliably in conductive contact.

[0055] The utility model is not limited to the above best implementation, and anyone can draw other various forms of products under the enlightenment of the utility model, but no matter make any change in its shape or structure, if it has the same or similar technical scheme with the application, falls in the protection scope of the utility model.

Claims

1. An appliance device with a knob assembly, characterized by, The knob assembly (1), the knob mounting fitting (2), and a plurality of elastic conductive pieces (19) for electrically connecting the knob assembly (1) and the knob mounting fitting (2), the knob assembly is provided with a display screen, the knob assembly (1) comprises a first matching area (11), the knob mounting fitting (2) comprises a second matching area (21), the first matching area (11) is provided with a plurality of first electric connection positions (191), the second matching area (21) is provided with a plurality of second electric connection positions (291), and the second matching area (21) and the first matching area (11) are connected with each other through a connecting structure, so that the two ends of the elastic conductive piece (19) are electrically connected with the first electric connection position (191) and the second electric connection position (291) respectively.

2. An appliance device with a knob assembly according to claim 1, characterized in that, The connecting structure comprises two magnets arranged in a position corresponding to each other, and the two magnets are respectively installed on the first matching area (11) and the second matching area (21), and the two magnets are magnetically connected with each other, or The connecting structure comprises a magnet and a magnetic piece attracted by the magnet, the magnetic piece and the magnet are arranged in a position corresponding to each other, the magnetic piece and the magnet are respectively installed on the first matching area (11) and the second matching area (21), and the magnetic piece and the magnet are magnetically connected with each other.

3. The appliance device with a knob assembly of claim 1, wherein, The elastic conductive piece (19) is a spring probe, and the fixed end of the spring probe is fixed to the second electric connection position (291), and the elastic telescopic end of the spring probe is in contact with the first electric connection position (191), or The fixed end of the spring probe is fixed to the first electric connection position (191), and the elastic telescopic end of the spring probe is in contact with the second electric connection position (291).

4. The appliance device with a knob assembly of claim 1, wherein, The first matching area (11) comprises a first positioning sleeve (12), and the second matching area (21) comprises a positioning groove matched with the shape of the first positioning sleeve (12), and the first positioning sleeve (12) is matched in the positioning groove.

5. The appliance device with a knob assembly of claim 1, wherein, The first matching area (11) comprises a first positioning sleeve (12), and the second matching area (21) comprises a second positioning sleeve (22), and the second positioning sleeve (22) is sleeved on the outer wall of the first positioning sleeve (12), or the first positioning sleeve (12) is sleeved on the outer wall of the second positioning sleeve (22).

6. An appliance having a knob assembly as claimed in claim 5, wherein, The second positioning sleeve (22) is provided with a first positioning recess (23), and the first positioning sleeve (12) is provided with a first positioning convex (13), or the second positioning sleeve (22) is provided with a first positioning convex (13), and the first positioning sleeve (12) is provided with a first positioning recess (23), and the first positioning convex (13) is matched in the first positioning recess (23).

7. An appliance having a knob assembly as defined in claim 5, wherein, The second positioning sleeve (22) is provided with a second positioning recess (24), and the first positioning sleeve (12) is provided with a second positioning convex (14), or the second positioning sleeve (22) is provided with a second positioning convex (14), and the first positioning sleeve (12) is provided with a second positioning recess (24), and the second positioning convex (14) is matched in the second positioning recess (24).

8. The appliance device with a knob assembly of claim 3, wherein, The first matching area (11) further comprises a third positioning sleeve (25), and the second matching area (21) further comprises a positioning column (15), or the first matching area (11) further comprises the positioning column (15), and the second matching area (21) further comprises the third positioning sleeve (25), and the positioning column (15) is matched in the third positioning sleeve (25).

9. The appliance device with a knob assembly of claim 1, wherein, The upper surface of the knob assembly (1) is provided with a display screen (10), and the knob assembly (1) is internally provided with a knob circuit board (106), the knob circuit board (106) is provided with an encoder (110), the knob assembly (1) comprises a rotating part (102) connected with a rotating part (112) of the encoder (110), a first electrical connection position (191) of the knob assembly (1) is arranged on the knob circuit board (106), and the end of an electrical connecting part (105) of the display screen (10) is sequentially arranged through the upper surface of the knob assembly (1) and the center hole of the encoder (110) and then electrically connected with the knob circuit board (106).

10. An appliance having a knob assembly according to claim 9, wherein, The elastic conductive part (19) is a spring probe; the lower surface of the knob assembly (1) is provided with a first positioning sleeve (12), a first positioning convex (13) and a second positioning convex (14) located on the outer wall of the first positioning sleeve (12), and a first mounting groove (16), a positioning column (15) and a positioning part (18) located in the first positioning sleeve (12), the spring probe is arranged in the through hole (181) of the positioning part (18), the fixed end of the spring probe is fixed with the first electrical connection position (191) of the knob circuit board (106), the elastic expansion end of the spring probe is arranged on the lower surface of the positioning part (18), the upper surface of the knob mounting accessory (2) is provided with a second positioning sleeve (22), a groove (20) located in the range defined by the inner wall of the second positioning sleeve (22), a second mounting groove (26) located in the groove (20), a third positioning sleeve (25), a plurality of positioning holes (281) corresponding to the positions of the plurality of spring probes, and a first positioning recess (23) and a second positioning recess (24) located on the inner wall of the second positioning sleeve (22) or the inner wall of the groove (20), and a second electrical connection position (291) arranged on the electrical circuit board (29) of the knob mounting accessory (2) and corresponding to the positions below the plurality of positioning holes (281), and the elastic expansion end of the spring probe is arranged in contact with the second electrical connection position (291) after passing through the positioning hole (281). The first mounting groove (16) and the second mounting groove (26) are arranged corresponding to each other, and a magnetic part is arranged in each of the two, the second positioning sleeve (22) is sleeved on the outer wall of the first positioning sleeve (12), the first positioning convex (13) is matched in the first positioning recess (23), the second positioning convex (14) is matched in the second positioning recess (14), and the positioning column (15) is matched in the third positioning sleeve (25).

11. An appliance having a knob assembly according to claim 10, wherein, The knob assembly (1) comprises a base (101), a knob circuit board (106) and a bracket (107), the rotating part (102) is a rotating sleeve, the knob circuit board (106) is fixed in the base (101), the rotating sleeve is sleeved on the base (101), the rotating sleeve is connected with the rotating part (112) of the encoder (110) through the connecting body (103), the bracket (107) is located above the connecting body (103) of the rotating sleeve, the connecting part (108) of the bracket (107) penetrates through the center hole of the encoder (110) and is connected with the knob circuit board (106), and the first positioning sleeve (12) is formed on the lower surface of the base (101).

12. An appliance having a knob assembly according to any of claims 4-7, 10, 11, wherein, The knob mounting accessory (2) is a display assembly or an electrical device, a mounting hole (31) is formed on the panel (3) of the display assembly or the panel (3) of the electrical device, the second positioning sleeve (22) is arranged in the mounting hole (31), and the lower surface of the knob assembly (1) and the panel (3) of the display assembly or the panel (3) of the electrical device are sealed by the sealing sheet (5).

13. An appliance having a knob assembly according to any one of claims 1-11, characterized in that The connecting structure is a buckle connecting structure, which comprises a buckle body (121) and a buckle groove (221) buckled with the buckle body (121).

14. An appliance having a knob assembly according to any one of claims 1-11, characterized in that, The connecting structure comprises an adhesive layer, the knob mounting accessory (2) is a display assembly or an electrical device, and the lower surface of the knob assembly (1) and the panel of the display assembly or the panel of the electrical device are connected through the adhesive layer.

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