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CN-224232572-U - Knob assembly and cooking utensil

CN224232572UCN 224232572 UCN224232572 UCN 224232572UCN-224232572-U

Abstract

The application relates to a knob assembly and a cooking utensil, wherein the knob assembly comprises a panel, a rotary switch, an insulating shaft sleeve and a knob, the rotary switch is arranged on the inner side of the panel, the rotary switch is provided with a rotary control shaft, the knob is arranged on the outer side of the panel, the insulating shaft sleeve is sleeved on the rotary control shaft and is in circumferential limit connection with the rotary control shaft, the insulating shaft sleeve penetrates through the panel, one end of the insulating shaft sleeve stretches into the inner side of the panel, the end of the insulating shaft sleeve is provided with a limit rib, the limit rib is in limit fit with the panel along the axial direction of the insulating shaft sleeve, and the other end of the insulating shaft sleeve is in circumferential limit connection with the knob. According to the application, the insulating shaft sleeve is sleeved on the rotary control shaft and provided with the limiting ribs positioned on the inner side of the panel, and the limiting ribs can prevent the insulating shaft sleeve from falling off, so that the insulating shaft sleeve can still be sleeved on the outer side of the rotary control shaft when the knob falls off. Because the insulating shaft sleeve is insulating, can avoid the user to contact rotary switch's metal part, solved the knob and drop back rotary switch and had the problem of electric shock safety risk.

Inventors

  • WANG JIANYU

Assignees

  • 浙江苏泊尔家电制造有限公司

Dates

Publication Date
20260512
Application Date
20250402

Claims (11)

  1. 1. A knob assembly is characterized by comprising a panel (10), a rotary switch (20), an insulating shaft sleeve (30) and a knob (40), wherein the rotary switch (20) is arranged on the inner side of the panel (10), the rotary switch (20) is provided with a rotary control shaft (21), the knob (40) is arranged on the outer side of the panel (10), the insulating shaft sleeve (30) is sleeved on the rotary control shaft (21) and is in limit connection with the rotary control shaft (21) in the circumferential direction, The utility model discloses a knob, including panel (10), insulating shaft sleeve (30), panel (10) are worn to locate, insulating shaft sleeve (30) one end stretches into panel (10) inboard, and this end is equipped with spacing muscle (31), spacing muscle (31) with panel (10) are followed the spacing cooperation of axial of insulating shaft sleeve (30), insulating shaft sleeve (30) other end with knob (40) circumference spacing connection.
  2. 2. The knob assembly according to claim 1, wherein the stop rib (31) is annular and extends radially of the insulating sleeve (30), The panel (10) is provided with a mounting hole (11) for the insulating shaft sleeve (30) to penetrate through, the part of the insulating shaft sleeve (30) between the limiting rib (31) and the knob (40) can penetrate through the mounting hole (11), and the limiting rib (31) cannot penetrate through the mounting hole (11).
  3. 3. The knob assembly according to claim 2, wherein the knob (40) is provided with a fitting groove (41), and wherein one end of the insulating sleeve (30) is connected to the fitting groove (41).
  4. 4. A knob assembly according to claim 3, wherein the cross section of the fitting groove (41) is non-circular, and the outer shape of the end of the insulating sleeve (30) connected to the fitting groove (41) is adapted to the shape of the fitting groove (41).
  5. 5. The knob assembly according to claim 1, wherein the limit rib (31) is a projection protruding from a circumferential portion of the insulating sleeve (30), The panel (10) is provided with a mounting hole (11) for the insulating shaft sleeve (30) to pass through, one end of the insulating shaft sleeve (30) provided with the limiting rib (31) can pass through the mounting hole (11), After the insulating shaft sleeve (30) and the rotary switch (20) are assembled on the panel (10), the insulating shaft sleeve (30) and the mounting hole (11) are coaxially arranged, the inner diameter of the mounting hole (11) is D, and the maximum distance between the outer wall of the limiting rib (31) and the central axis of the insulating shaft sleeve (30) is L, and L is greater than D/2.
  6. 6. The knob assembly according to claim 5, wherein a baffle plate (33) is arranged at one end of the insulating sleeve (30) far away from the limiting rib (31), and the maximum outer diameter of the baffle plate (33) is larger than the inner diameter of the mounting hole (11); Be equipped with constant head tank (331) on baffle (33), knob (40) inboard is equipped with location muscle (43), the appearance of location muscle (43) with constant head tank (331) adaptation, location muscle (43) with constant head tank (331) cooperation is so that knob (40) with insulating sleeve (30) circumference is spacing.
  7. 7. The knob assembly according to claim 1, wherein the insulating sleeve (30) and the knob (40) are fixedly connected by a snap-fit structure or by a fastener.
  8. 8. The knob assembly according to claim 1, wherein the insulating sleeve (30) is provided with a sleeve hole (34), the insulating sleeve (30) is sleeved on the rotary control shaft (21) through the sleeve hole (34), the sleeve hole (34) is a non-circular hole, and the shape of the rotary control shaft (21) is adapted to the shape of the sleeve hole (34).
  9. 9. The knob assembly according to claim 8, wherein there is an assembly gap between the rotation control shaft (21) and the inner wall of the sleeve bore (34).
  10. 10. The knob assembly according to any one of claims 1-9, wherein the rotary switch (20) is a timer, an encoder, a gear switch or a thermostat.
  11. 11. A cooking appliance comprising a knob assembly according to any one of claims 1-10.

Description

Knob assembly and cooking utensil Technical Field The application relates to the technical field of small household appliances, in particular to a knob assembly and a cooking utensil. Background The cooking appliances such as the air fryer, the oven, the egg cooker and the like often use rotary switches such as timers, the rotary switches are generally matched with a knob, the rotary switches are assembled on the inner side of a panel, an opening for extending out a rotary control shaft of the rotary switches is formed in the panel, the knob is provided with a rotary shaft hole assembled with the rotary control shaft of the rotary switches, and the rotary control shaft and the rotary shaft hole are forcibly assembled in an interference mode. In the long-term use process, the knob is easy to crack, so that the knob falls off, the rotary control shaft of the rotary switch is a metal part, and the knob falls off to have electric shock safety risk. Disclosure of utility model Accordingly, it is necessary to provide a knob assembly and a cooking appliance capable of avoiding the risk of electric shock safety of a rotary switch after the knob is released. The application provides a knob assembly which comprises a panel, a rotary switch, an insulating shaft sleeve and a knob, wherein the rotary switch is arranged on the inner side of the panel, the rotary switch is provided with a rotary control shaft, the knob is arranged on the outer side of the panel, the insulating shaft sleeve is sleeved on the rotary control shaft and is in circumferential limit connection with the rotary control shaft, the insulating shaft sleeve is arranged on the panel in a penetrating mode, one end of the insulating shaft sleeve stretches into the inner side of the panel, a limit rib is arranged at the end of the insulating shaft sleeve, the limit rib is in limit fit with the panel along the axial direction of the insulating shaft sleeve, and the other end of the insulating shaft sleeve is in circumferential limit connection with the knob. According to the knob assembly provided by the application, the insulating shaft sleeve is sleeved on the rotary control shaft and provided with the limiting ribs positioned on the inner side of the panel, and the limiting ribs can prevent the insulating shaft sleeve from falling off, so that the insulating shaft sleeve can still be sleeved on the outer side of the rotary control shaft when the knob falls off. Because the insulating shaft sleeve is insulating, can avoid the user to contact rotary switch's metal part, solved the knob and drop back rotary switch and had the problem of electric shock safety risk. In one embodiment, the limiting rib is annular and extends along the radial direction of the insulating shaft sleeve, the panel is provided with a mounting hole for the insulating shaft sleeve to penetrate through, the part of the insulating shaft sleeve between the limiting rib and the knob can penetrate through the mounting hole, and the limiting rib cannot penetrate through the mounting hole. Therefore, when the insulating shaft sleeve is installed, the insulating shaft sleeve can be installed from the inner side to the outer side of the panel, and the limiting ribs can prevent the insulating shaft sleeve from falling off from the outer side of the panel after the insulating shaft sleeve passes through the installation holes. In one embodiment, the knob is provided with an assembly groove, and one end of the insulating shaft sleeve is connected in the assembly groove. Therefore, the knob and the insulating shaft sleeve can be firmly connected by arranging the assembly groove. In one embodiment, the cross section of the assembly groove is non-circular, and the shape of the end of the insulating shaft sleeve connected with the assembly groove is matched with the shape of the assembly groove. Therefore, one end of the insulating shaft sleeve extends into the assembly groove to realize circumferential limit, and the insulating shaft sleeve rotates along with the knob when the knob rotates. In one embodiment, the limiting rib is a protruding block protruding from the circumferential part of the insulating shaft sleeve, the panel is provided with a mounting hole for the insulating shaft sleeve to penetrate through, one end of the insulating shaft sleeve provided with the limiting rib can penetrate through the mounting hole, the insulating shaft sleeve and the rotary switch are assembled behind the panel, the insulating shaft sleeve and the mounting hole are coaxially arranged, the inner diameter of the mounting hole is D, and the maximum distance between the outer wall of the limiting rib and the central axis of the insulating shaft sleeve is L, and L > D/2. Therefore, when the insulating shaft sleeve is installed, the insulating shaft sleeve can be installed from the inner side of the panel to the outer side, the insulating shaft sleeve passes through the installation hole, and then the position of