CN212676165U - Gear knob device and fan thereof - Google Patents
Gear knob device and fan thereof Download PDFInfo
- Publication number
- CN212676165U CN212676165U CN202021878630.6U CN202021878630U CN212676165U CN 212676165 U CN212676165 U CN 212676165U CN 202021878630 U CN202021878630 U CN 202021878630U CN 212676165 U CN212676165 U CN 212676165U
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- Prior art keywords
- knob
- stopping
- circumferential wall
- base plate
- angle position
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
- G05G1/10—Details, e.g. of discs, knobs, wheels or handles
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- 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
- H01H19/03—Means for limiting the angle of rotation of the operating part
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- 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
- H01H19/04—Cases; Covers
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Control Devices (AREA)
Abstract
The utility model provides a gear knob device, can be applied to the fan, includes knob, pocket portion, the knob is at least partly acceptd in pocket portion and can rotate for pocket portion, pocket portion is equipped with first circumferential wall, outer port, the base plate relative with outer port, be formed with the spout between base plate and the first circumferential wall, the knob is equipped with buckling parts, buckling parts is spacing in the spout, and along with the rotation of knob for pocket portion, buckling parts rotates along the spout, and this creation is through the cooperation of the spout that forms between base plate and the first circumferential wall and the buckling parts of knob, and the suppression knob breaks away from pocket portion and the knob can be more smooth and easy with pocket portion normal running fit, and user experience is better.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a gear knob device of fan.
[ background of the invention ]
An electric appliance (such as a fan) in the prior art often has a gear knob device, and the gear knob device includes the knob, rotates the gear axle rotation that the knob is used for driving the electric appliance and realizes the control of opening and closing and/or the gear size of electric appliance, and the use experience of current gear knob device remains to be promoted.
[ Utility model ] content
The utility model provides a technical problem lie in improving the use experience of gear knob device.
The utility model provides a gear knob device, includes knob, cave portion, the knob is at least partly acceptd in cave portion and can rotate for cave portion, cave portion is equipped with first circumferential wall, outer port, the base plate relative with outer port, be formed with the spout between base plate and the first circumferential wall, the knob is equipped with buckle portion, buckle portion is spacing in the spout, and along with the rotation of knob for cave portion, buckle portion rotates along the spout.
Optionally, the first circumferential wall surrounds a rotation axis of the knob, the knob and the outer port are located on the same side of the base plate, and a gap between an edge of the first circumferential wall, which is far away from the outer port, and the base plate forms the sliding groove.
Optionally, the outer periphery of the base plate is circular, the outer diameter of the base plate is smaller than the inner diameter of the first circumferential wall, and the sliding groove is formed by the edge of the first circumferential wall, which is far away from the outer port, and the circumferential edge of the base plate at intervals.
Optionally, the first circumferential wall is provided with a notch, the notch extends from an edge of the first circumferential wall far from the outer port toward the outer port, and the notch at least cuts off the edge of the first circumferential wall far from the outer port.
Optionally, the gear knob device further includes a connecting portion, the connecting portion is connected between the base plate and the outer port, the connecting portion is adjacent to the notch, and the fastening portion can penetrate through the notch and the connecting portion in the process of rotating the knob.
Optionally, the gear knob device further includes a connecting portion, the connecting portion includes a first portion and a second portion connected between the base plate and the first portion, the first portion is located on a radial outer side of the corresponding notch, the notch is located between the outer port and the second portion, and the buckle portion can pass through the notch and the second portion in a process along with rotation of the knob.
Optionally, the connecting portion is spaced from the first circumferential wall, and the gap separates the first circumferential wall in a circumferential direction around the rotational axis of the knob.
Optionally, the outer port is provided with an annular edge, the annular edge surrounds the knob, the first circumferential wall extends from the annular edge to one side of the substrate, the connecting portion is connected between the substrate and the annular edge, the knob is further provided with an annular brim corresponding to the annular edge, the annular brim is located on the periphery of the knob, the annular brim can press the annular edge to one side of the substrate, and the buckling portion and the annular brim are located on two opposite sides of the first circumferential wall.
Optionally, the knob is further provided with a second circumferential wall and an elastic arm, the second circumferential wall and the elastic arm are nested with the first circumferential wall, the first circumferential wall is located on the periphery of the second circumferential wall, the second circumferential wall is located on the periphery of the knob, the second circumferential wall is provided with a notch, the elastic arm is located in the notch, the fastening portion belongs to a part of the elastic arm, and the fastening portion is located at one end, far away from the outer port, of the elastic arm.
Optionally, the knob may rotate relative to the recess portion to drive a gear shaft to rotate, and one end of the gear shaft penetrates through the substrate and is limited in the knob.
Optionally, the gear shaft is perpendicular to the substrate, the substrate is provided with a through hole, the gear shaft penetrates through the substrate through the through hole, the substrate is in a circular plate shape, and the through hole is located at a central angle position of the substrate.
Optionally, the cavity portion is further provided with at least one stopping portion for stopping rotation of the knob, the at least one stopping portion is disposed on one side of the substrate facing the external port, and the at least one stopping portion is integrally connected to and protrudes from the substrate.
Optionally, the at least one stopping portion includes a first stopping portion and a second stopping portion, the knob is limited to rotate between a first angular position and a second angular position, the knob is stopped by the first stopping portion when rotating to the first angular position, and the knob is stopped by the second stopping portion when rotating to the second angular position.
Optionally, the knob is further provided with a first interference portion extending toward the base plate, the first interference portion is stopped by the first stopper portion when the knob rotates to the first angular position, and the first interference portion is stopped by the second stopper portion when the knob rotates to the second angular position.
Optionally, the cavity portion is further provided with at least one stopping portion capable of stopping rotation of the knob, the at least one stopping portion includes a first stopping portion, a second stopping portion and a third stopping portion, the first stopping portion, the second stopping portion and the third stopping portion are respectively disposed on one side of the outward facing port of the substrate, the first stopping portion, the second stopping portion and the third stopping portion are respectively integrally connected to and protrude from the substrate, the knob is limited to rotate between a first angular position and a third angular position, the knob is further provided with a first interference portion and a second interference portion, the first interference portion is stopped by the first stopping portion when the knob rotates to the first angular position, and the second interference portion is stopped by the third stopping portion when the knob rotates to the third angular position.
Optionally, after the knob removes the second interference portion, the knob is limited to rotate between the first angular position and a second angular position, the knob passes through the third angular position during rotation from the first angular position to the second angular position, and the first interference portion is stopped by the second stopping portion when the knob is rotated to the second angular position.
Optionally, the first interference portion at least partially overlaps the first stop portion in a circumferential direction around the rotational axis of the knob, the first interference portion at least partially overlaps the second stop portion in a circumferential direction around the rotational axis of the knob, the second interference portion at least partially overlaps the third stop portion in a circumferential direction around the rotational axis of the knob, and the first interference portion is completely offset from the third stop portion in a circumferential direction around the rotational axis of the knob.
Optionally, the base plate is shaped like a flat plate, the first blocking portion and the second blocking portion are opposite to each other in a circumferential direction around the rotation axis of the knob, the first blocking portion and the third blocking portion are completely staggered in the circumferential direction around the rotation axis of the knob, and the second blocking portion and the third blocking portion are completely staggered in the circumferential direction around the rotation axis of the knob.
This creation still provides a fan, and this fan includes aforementioned gear knob device.
Optionally, the fan further comprises a motor, fan blades driven by the motor, an outer cover shell exposed outside the fan, a rear net cover, a front net cover and a gear shaft, the outer cover shell is an integrally formed one-piece part, the concave portion is a part of the outer cover shell, the motor is located between the fan blades and the outer cover shell, the outer cover shell covers the rear side of the motor, the fan blades are located between the rear net cover and the front net cover, the rear net cover is sunken towards the fan blades to form a sunken space, and the outer cover shell is accommodated in the sunken space.
To this creation, buckling part is spacing in the spout to along with the knob for the rotation of cave portion, buckling part rotates along the spout, through the cooperation of the spout that forms between base plate and the first circumferential wall and the buckling part of knob, restrain the knob and break away from cave portion and the knob can be more smooth and easy with cave portion normal running fit, user uses and experiences better.
[ description of the drawings ]
FIG. 1 is an exploded view of a fan;
FIG. 2 is a cross-sectional view of the fan along the gear axis;
FIG. 3 is an angled perspective view of the outer housing shell;
FIG. 4 is a perspective view of the outer casing at another angle;
FIG. 5 is a perspective view of the outer casing at yet another angle;
FIG. 6 is a perspective view of the knob at an angle;
FIG. 7 is a perspective view of the knob at another angle;
FIG. 8 is a perspective view of the knob at yet another angle;
FIG. 9 is an enlarged view of the shift knob device of FIG. 2;
FIG. 10 is an enlarged cross-sectional view of the shift knob assembly (cross-section perpendicular to the shift shaft);
FIG. 11 is a perspective view of an angle of the knob with the second interference portion removed;
FIG. 12 is a perspective view of another angle of the knob with the second interference portion removed;
fig. 13 is an enlarged sectional view (cross section perpendicular to the shift position axis) of the shift position knob device with the second interference portion removed.
[ detailed description ] embodiments
Referring to fig. 1 to 10, the present disclosure discloses a fan and a gear knob device provided with the fan, the gear knob device includes a cavity portion 1 and a knob 2, the knob 2 is at least partially accommodated in the cavity portion 1 and can rotate relative to the cavity portion 1, the cavity portion 1 is provided with a first circumferential wall 10, an outer port 11, a substrate 12 opposite to the outer port 11, and a connecting portion 14, the knob 2 and the outer port 11 are located on the same side of the substrate 12, a sliding groove 13 is formed between the substrate 12 and the first circumferential wall 10, the knob 2 is provided with a buckling portion 200, the buckling portion 200 is limited to the sliding groove 13, and the buckling portion 200 rotates along the sliding groove 13 along with the rotation of the knob 2 relative to the cavity portion 1. For this creation, through the cooperation of spout 13 that forms between base plate 12 and the first circumferential wall 10 and the buckle portion 200 of knob 2, restrain knob 2 and break away from cave portion 1 and knob 2 can be more smooth and easy with cave portion 1 normal running fit, and user experience is better.
The first circumferential wall 10 is annular in shape as a whole, the first circumferential wall 10 surrounds the rotation axis of the knob 2, and the gap between the edge of the first circumferential wall 10 remote from the outer port 11 and the base plate 12 forms a slide groove 13. The outer periphery of the base plate 12 is circular, the outer diameter of the base plate 12 is smaller than the inner diameter of the first circumferential wall 10, and the gap between the edge of the first circumferential wall 10 far away from the outer port 11 and the circumferential edge of the base plate 12 forms a sliding groove 13. The slide groove 13 is annular in shape as a whole, the so-called radial direction in this patent application being with respect to the axis of rotation of the knob 2, and the so-called circumferential direction in this patent application being also with respect to the axis of rotation of the knob 2.
The first circumferential wall 10 is provided with a notch 100, the notch 100 extends from the edge of the first circumferential wall 10 far away from the outer port 11 towards the outer port 11, and the notch 100 at least cuts off the edge of the first circumferential wall 10 far away from the outer port 11. With such a design, the elasticity of the side of the first circumferential wall 10 adjacent to the sliding groove 13 can be enhanced, so that the locking portion 200 can be locked into the sliding groove 13 more smoothly.
The connecting part 14 is L-shaped, the connecting part 14 is connected between the base plate 12 and the outer port 11, the connecting part 14 is adjacent to the notch 100, and the buckling part 200 can penetrate through the notch 100 and the connecting part 14 along with the rotation of the knob 2. The connecting portion 14 includes a first portion 140 and a second portion 141 connected between the base 12 and the first portion 140, the first portion 140 is located at a radial outer side of the corresponding notch 100, the notch 100 is located between the outer port 11 and the second portion 141, and the snap-fit portion 200 can pass through the notch 100 and the second portion 141 along with the rotation of the knob 2. The first portion 140 is connected to the second portion 141 to form an L-shape, the first portion 140 is perpendicular to the substrate 12, and the second portion 141 is coplanar with the substrate 12.
Connecting portion 14 and first circumferential wall 10 looks interval, opening 100 cuts off first circumferential wall 10 in the circumference that encircles the rotation axis of knob 2, so design, be favorable to avoiding connecting portion 14 to hinder the deformation of first circumferential wall 10, the buckle portion 200 card of being convenient for goes into spout 13, first circumferential wall 10 is cut off into four sections by four openings 100 in this embodiment, four openings 100 correspond four connecting portion 14, four openings 100, four connecting portion 14 evenly distributed respectively is on the circumference around the rotation axis of knob 2, connecting portion 14 staggers completely with first circumferential wall 10 in the circumference that encircles the rotation axis of knob 2.
The outer port 11 is provided with an annular edge 110, the first portion 140 extends from the annular edge 110 to a side where the substrate 12 is located, the annular edge 110 surrounds the knob 2, the first circumferential wall 10 extends from the annular edge 110 to the side where the substrate 12 is located, the connecting portion 14 is connected between the substrate 12 and the annular edge 110, the knob 2 is further provided with an annular brim 210 corresponding to the annular edge 110, the annular brim 210 is located on the circumferential periphery of the knob 2, the annular brim 210 can press the annular edge 110 towards the side where the substrate 12 is located, for example, a user presses the knob 2 against the side of the substrate 12, the annular visor 210 presses against the annular rim 110, therefore, the knob 2 is prevented from being pushed inwards excessively by a user, the base plate 12 and internal elements are prevented from being damaged, the buckling part 200 and the annular brim 210 are positioned on two opposite sides of the first circumferential wall 10, and the knob 2 is effectively limited in the axial direction based on the annular brim 210 and the buckling part 200. The knob 2 is further provided with an end cap 21, the end cap 21 includes a screw portion 211 at an outer side thereof, and the annular visor 210 is a part of the end cap 21, and a user can rotate the knob 2 by the screw portion 211.
The base plate 12 is flat, the width of the gap 100 is larger than that of the second part 141, the projection of the second part 141 along the rotation axis direction of the knob 2 does not overlap with the projection of the first circumferential wall 10 along the rotation axis direction of the knob 2, and the projection of the base plate 12 along the rotation axis direction of the knob 2 does not overlap with the projection of the first circumferential wall 10 along the rotation axis direction of the knob 2, so that the second part 141 and the base plate 12 can be molded by demolding. The projection along the direction of the rotation axis of the knob 2, i.e., the projection whose projection direction is parallel to the direction of the rotation axis of the knob 2.
The knob 2 is an integrally formed one-piece part, the knob 2 is further provided with a spring arm 20, a second circumferential wall 22 and a sleeve portion 23, the fastening portion 200 belongs to a part of the spring arm 20, the second circumferential wall 22 is nested with the first circumferential wall 10, the first circumferential wall 10 is located on the periphery of the second circumferential wall 22, the second circumferential wall 22 is located on the periphery of the knob 2, the second circumferential wall 22 is integrally annular, the second circumferential wall 22 is provided with a notch 220, the spring arm 20 is located in the notch 220, and the fastening portion 200 is located at one end, far away from the outer port 11, of the spring arm 20. The two ends of the knob 2 in the radial direction are respectively provided with a spring arm 20, and the second circumferential wall 22 and the spring arm 20 thereof extend from the end cap 21 to the side of the base plate 12.
When the knob 2 rotates relative to the cavity portion 1, the gear shaft 30 is driven to rotate, and one end of the gear shaft 30 penetrates through the substrate 12 and is limited in the knob 2. Rotation of the shift shaft 30 is used to effect on-off control of an appliance (e.g., a fan) and/or control of the size of the shift. One end of the shift lever shaft 30 is inserted into the sleeve portion 23, the sleeve portion 23 is provided with a first flat portion 230, one end of the shift lever shaft 30 is provided with a second flat portion 300 corresponding to the first flat portion 230, the sleeve portion 23 and the shift lever shaft 30 can be effectively combined together based on the existence of the first flat portion 230 and the second flat portion 300, and the knob 2 drives the shift lever shaft 30 to rotate through the sleeve portion 23. The shift shaft 30 is perpendicular to the base plate 12, the base plate 12 is provided with a through hole 120, the shift shaft 30 penetrates the base plate 12 through the through hole 120, the base plate 12 is in a disc shape, the through hole 120 is positioned at the center of the base plate 12, and the rotation axis of the knob 2 is perpendicular to the base plate 12
The cavity portion 1 is further provided with at least one stopping portion for stopping the rotation of the knob 2, the at least one stopping portion is arranged on one side of the substrate 12 facing the outer port 11, the at least one stopping portion is integrally connected with and protrudes out of the substrate 12, the stopping portion is not easily limited when being arranged on the substrate 12, and the reasonable layout of the stopping portion is easily realized on the substrate 12.
The at least one stopping portion includes a first stopping portion 150, a second stopping portion 151, and a third stopping portion 152, the first stopping portion 150, the second stopping portion 151, and the third stopping portion 152 are respectively disposed on one side of the base plate 12 facing the external port 11, the first stopping portion 150, the second stopping portion 151, and the third stopping portion 152 are respectively integrally connected to and protrude from the base plate 12, the knob 2 is limited to rotate between a first angular position (in the figure, the knob 2 is in the first angular position) and a third angular position, the knob 2 is further provided with a first interference portion 240 and a second interference portion 241, the first interference portion 240 is stopped by the first stopping portion 150 when the knob 2 rotates to the first angular position, the second interference portion 241 is stopped by the third stopping portion 152 when the knob 2 rotates to the third angular position, and thus the rotation angle of the knob 2 is limited between the first angular position and the third angular position; the first and second stoppers 150 and 151 are opposed to each other in the circumferential direction around the rotational axis of the knob 2, the first and third stoppers 150 and 152 are completely displaced in the circumferential direction around the rotational axis of the knob 2, and the second and third stoppers 151 and 152 are completely displaced in the circumferential direction around the rotational axis of the knob 2. The difference between the first angle position and the third angle position is about 90 degrees, and the third angle position can be reached by rotating the knob 2 about 90 degrees from the first angle position.
The first interference portion 240 and the first stopping portion 150 at least partially overlap in a circumferential direction around the rotation axis of the knob 2, so that the first stopping portion 150 can be used for stopping the first interference portion 240, the first interference portion 240 and the second stopping portion 151 at least partially overlap in the circumferential direction around the rotation axis of the knob 2, so that the second stopping portion 151 can be used for stopping the first interference portion 240, the second interference portion 241 and the third stopping portion 152 at least partially overlap in the circumferential direction around the rotation axis of the knob 2, so that the third stopping portion 152 can be used for stopping the second interference portion 241, and the first interference portion 240 and the third stopping portion 152 are completely staggered in the circumferential direction around the rotation axis of the knob 2, so that the first interference portion 240 is not stopped by the third stopping portion 152 during the rotation of the knob 2. The cavity portion 1 is further provided with a connecting rib position 153, and the connecting rib position 153 connects the first stopper portion 150 with the second stopper portion 151, so as to enhance the structural stability of the first stopper portion 150 and the second stopper portion 151; the knob 2 further has a semi-annular rib 25, the second interference portion 241 is integrally connected to the radial outer side of the semi-annular rib 25, the first interference portion 240, the second interference portion 241 and the semi-annular rib 25 respectively extend from the end cap 21 to the base plate 12, and the first stopper portion 150, the second stopper portion 151 and the third stopper portion 152 respectively extend from the base plate 12 to the end cap 21.
The knob 2 is obtained by removing the second interference portion 241 (as shown in fig. 11, 12, and 13, the knob 2 differs from the knob 2 shown in fig. 6, 7, and 10 only in that the knob 2' is not provided with the second interference portion 241). The knob 2 'is not blocked in the third angular position without the second interference portion 241, in which case the rotation angle range of the knob 2' is enlarged, the knob 2 'is limited to rotation between the first angular position and the second angular position, and the knob 2' passes through the third angular position in the course of rotation from the first angular position to the second angular position; the knob 2 ' is stopped by the first stopping portion 150 when rotating to the first angular position, the knob 2 ' can continue to rotate to the second angular position after rotating to the third angular position from the first angular position, and the knob 2 ' is stopped by the second stopping portion 151 when rotating to the second angular position; further, when the knob 2 'is rotated to the first angular position, the first interference portion 240 is stopped by the first stopping portion 150, and when the knob 2' is rotated to the second angular position, the first interference portion 240 is stopped by the second stopping portion 151. Those skilled in the art can selectively set or not set the second interference portion 241, so as to design two kinds of knobs (knobs 2, 2 ') matching the same kind of cavity portion 1, wherein the knobs 2, 2' have different rotation angle ranges relative to the cavity portion 1 (the rotation angle of the knob 2 is limited between the first angle position and the second angle position, the rotation angle of the knob 2 'is limited between the first angle position and the third angle position), when the cavity portion 1 and the two kinds of knobs (knobs 2, 2') are applied to two kinds of electrical appliances with different gear adjustment requirements, the mould sharing of the gear knob device can be realized to a great extent between the two electric appliances (the two electric appliances can adopt the same recess part 1, the two knobs (knobs 2 and 2') of the two electric appliances are similar, the difference of the corresponding moulds is small, and the mould design sharing can be realized to a great extent). The difference between the first angular position and the second angular position is about 280 degrees, and the second angular position can be reached by rotating the knob 2 about 280 degrees from the first angular position.
When the knobs 2 and 2 'are installed, the sleeve portion 23 is aligned with the shift shaft 30, and then the knobs 2 and 2' are pushed toward the substrate 12, so that the locking portions 200 are inserted into the sliding grooves 13.
As shown in fig. 1 to 3, the fan further includes a motor 40, a fan blade 41 driven by the motor 40, a rear mesh enclosure 42, a front mesh enclosure 43, a cylinder ring 44, a support frame 45, a handle 46, a wheel 47, the aforementioned gear shaft 30, and an outer casing 48 exposed outside the fan. The outer cover 48 is an integrally formed one-piece part, the cavity part 1 is a part of the outer cover 48, the outer cover 48 covers the rear side of the motor 40, and the motor 40 is positioned between the fan blades 41 and the outer cover 48; when the fan works, the air is discharged forwards through the front mesh enclosure 43; the rated power of the motor 40 is between 10w and 1000w, preferably between 20w and 500w, e.g. 40w, 50w, 70w, 95w, 125w, 150 w; the fan blade 41 is located on the front side of the motor 40, the fan blade 41 is located between the rear mesh enclosure 42 and the front mesh enclosure 43, the cavity portion 1 is recessed towards the fan blade 41, the rear mesh enclosure 42 is recessed towards the fan blade 41 to form a recessed space 420, the outer shell 48 is accommodated in the recessed space 420, the cylinder ring 44 surrounds the fan blade 41 and the motor 40, the rear mesh enclosure 42 and the front mesh enclosure 43 are respectively disc-shaped, the periphery of the rear mesh enclosure 42 is fixed to the rear side of the cylinder ring 44, the rear mesh enclosure 42 covers the rear side of the cylinder ring 44, the periphery of the front mesh enclosure 43 is fixed to the front side of the cylinder ring 44, and the front mesh enclosure 43 covers the front side of the cylinder ring; the support frame 45 is generally U-shaped, the support frame 45 is formed with two upward support arms 450, the two support arms 450 are located on opposite sides of the drum ring 44, the handle 46 is located above the side of the drum ring 44 and connected to the drum ring 44, and the wheel 47 is rotatably connected to the support frame 45.
While the present invention has been described with reference to the particular illustrative embodiments, it will be understood by those skilled in the art that the present invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the present invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (20)
1. The utility model provides a gear knob device, includes the knob, its characterized in that: the knob is at least partially accommodated in the cavity and can rotate relative to the cavity, the cavity is provided with a first circumferential wall, an outer port and a base plate opposite to the outer port, a sliding groove is formed between the base plate and the first circumferential wall, the knob is provided with a buckling part, the buckling part is limited in the sliding groove and rotates relative to the cavity along with the rotation of the knob, and the buckling part rotates along the sliding groove.
2. The range knob device of claim 1, wherein: the first circumferential wall surrounds a rotation axis of the knob, the knob and the outer port are located on the same side of the base plate, and the sliding groove is formed by an edge of the first circumferential wall, which is far away from the outer port, and a gap between the edge of the first circumferential wall and the base plate.
3. The range knob device of claim 2, wherein: the periphery of base plate is circular, the external diameter of base plate is less than the internal diameter of first circumferential wall, the interval between the edge of keeping away from outer port of first circumferential wall and the base plate circumference edge forms the spout.
4. The range knob device of claim 2, wherein: the first circumferential wall is provided with a notch, the notch extends from the edge of the first circumferential wall far away from the outer port towards the outer port, and the notch at least cuts off the edge of the first circumferential wall far away from the outer port.
5. The range knob device of claim 4, wherein: the connecting part is connected between the base plate and the outer port, the connecting part is adjacent to the notch, and the buckling part can penetrate through the notch and the connecting part along with the rotation of the knob.
6. The range knob device of claim 4, wherein: the connecting part comprises a first part and a second part connected between the base plate and the first part, the first part is located on the radial outer side of the corresponding notch, the notch is located between the outer port and the second part, and the clamping part can penetrate through the notch and the second part along with the rotation of the knob.
7. The range knob device according to claim 5 or 6, wherein: the connecting portion is spaced from the first circumferential wall, and the gap separates the first circumferential wall in a circumferential direction around the rotational axis of the knob.
8. The range knob device according to claim 5 or 6, wherein: the outer port is provided with an annular edge, the annular edge surrounds the knob, the first circumferential wall extends from the annular edge to one side of the base plate, the connecting portion is connected between the base plate and the annular edge, the knob is further provided with an annular brim corresponding to the annular edge, the annular brim is located on the periphery of the knob, the annular brim can press the annular edge to one side of the base plate, and the buckling portion and the annular brim are located on two opposite sides of the first circumferential wall.
9. The range knob device of claim 1, wherein: the knob is further provided with a second circumferential wall and an elastic arm, the second circumferential wall and the elastic arm are nested with the first circumferential wall, the first circumferential wall is located on the periphery of the second circumferential wall, the second circumferential wall is located on the periphery of the knob, the second circumferential wall is provided with a notch, the elastic arm is located in the notch, the buckling part belongs to a part of the elastic arm, and the buckling part is located at one end, far away from the outer port, of the elastic arm.
10. The range knob device of claim 1, wherein: the knob can rotate relative to the recess part to drive a gear shaft to rotate, and one end of the gear shaft penetrates through the substrate and is limited in the knob.
11. The range knob device of claim 10, wherein: the gear shaft is perpendicular to the substrate, the substrate is provided with a through hole, the gear shaft penetrates through the substrate through the through hole, the substrate is in a disc shape, and the through hole is located at the central angle position of the substrate.
12. The range knob device of claim 1, wherein: the concave part is also provided with at least one stopping part which can be used for stopping the rotation of the knob, the at least one stopping part is arranged on one side of the base plate facing the external port, and the at least one stopping part is integrally connected with and protrudes out of the base plate.
13. The range knob device of claim 12, wherein: the at least one stopping portion comprises a first stopping portion and a second stopping portion, the knob is limited to rotate between a first angle position and a second angle position, the knob is stopped by the first stopping portion when rotating to the first angle position, and the knob is stopped by the second stopping portion when rotating to the second angle position.
14. The range knob device of claim 13, wherein: the knob is further provided with a first interference portion extending towards the substrate, the first interference portion is stopped by the first stopping portion when the knob rotates to the first angle position, and the first interference portion is stopped by the second stopping portion when the knob rotates to the second angle position.
15. The range knob device of claim 1, wherein: the concave part is further provided with at least one stopping part which can be used for stopping the rotation of the knob, the at least one stopping part comprises a first stopping part, a second stopping part and a third stopping part, the first stopping part, the second stopping part and the third stopping part are respectively arranged on one side of an outward facing port of the substrate, the first stopping part, the second stopping part and the third stopping part are respectively and integrally connected with and protrude out of the substrate, the knob is limited to rotate between a first angle position and a third angle position, the knob is further provided with a first interference part and a second interference part, the first interference part is stopped by the first stopping part when the knob rotates to the first angle position, and the second interference part is stopped by the third stopping part when the knob rotates to the third angle position.
16. The range knob device of claim 15, wherein: when the knob removes the second interference part, the knob is limited to rotate between the first angle position and a second angle position, the knob passes through the third angle position in the process of rotating from the first angle position to the second angle position, and the first interference part is stopped by the second stopping part when the knob rotates to the second angle position.
17. The range knob device of claim 15, wherein: the first interference portion at least partially overlaps the first stop in a circumferential direction around a rotational axis of the knob, the first interference portion at least partially overlaps the second stop in a circumferential direction around the rotational axis of the knob, the second interference portion at least partially overlaps the third stop in a circumferential direction around the rotational axis of the knob, and the first interference portion is completely offset from the third stop in a circumferential direction around the rotational axis of the knob.
18. The range knob device of claim 17, wherein: the base plate is flat, the first stopping portion and the second stopping portion are opposite in the circumferential direction around the rotation axis of the knob, the first stopping portion and the third stopping portion are completely staggered in the circumferential direction around the rotation axis of the knob, and the second stopping portion and the third stopping portion are completely staggered in the circumferential direction around the rotation axis of the knob.
19. A fan, characterized by: comprising a gear knob device according to any of claims 1-18.
20. The fan as claimed in claim 19, wherein: the fan comprises a fan body, and is characterized by further comprising a motor, fan blades driven by the motor, an outer cover shell exposed outside the fan, a rear net cover, a front net cover and a gear shaft, wherein the outer cover shell is an integrally formed one-piece part, the concave hole part is one part of the outer cover shell, the motor is located between the fan blades and the outer cover shell, the outer cover shell covers the rear side of the motor, the fan blades are located between the rear net cover and the front net cover, the rear net cover is sunken towards the fan blades to form a sunken space, and the outer cover shell is accommodated in the sunken space.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021878630.6U CN212676165U (en) | 2020-09-01 | 2020-09-01 | Gear knob device and fan thereof |
| CN202080004527.5A CN114641841A (en) | 2020-09-01 | 2020-12-03 | Fan and gear knob device thereof |
| PCT/CN2020/133488 WO2022048055A1 (en) | 2020-09-01 | 2020-12-03 | Shift knob device and fan having same |
| PCT/CN2020/133489 WO2022048056A1 (en) | 2020-09-01 | 2020-12-03 | Fan and gear knob device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021878630.6U CN212676165U (en) | 2020-09-01 | 2020-09-01 | Gear knob device and fan thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212676165U true CN212676165U (en) | 2021-03-09 |
Family
ID=74824203
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021878630.6U Active CN212676165U (en) | 2020-09-01 | 2020-09-01 | Gear knob device and fan thereof |
| CN202080004527.5A Pending CN114641841A (en) | 2020-09-01 | 2020-12-03 | Fan and gear knob device thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080004527.5A Pending CN114641841A (en) | 2020-09-01 | 2020-12-03 | Fan and gear knob device thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN212676165U (en) |
| WO (2) | WO2022048056A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193451A1 (en) * | 2021-03-15 | 2022-09-22 | 蒋亮健 | Manual-adjustment-type device for adjusting swing angle of electric fan according to identifications |
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| JP2001356832A (en) * | 2000-06-13 | 2001-12-26 | Tokai Rika Co Ltd | Operating device for vehicle |
| JP2009158389A (en) * | 2007-12-27 | 2009-07-16 | Niles Co Ltd | Switch device |
| JP5341667B2 (en) * | 2009-08-11 | 2013-11-13 | ナイルス株式会社 | Knob |
| KR101819891B1 (en) * | 2011-12-09 | 2018-03-02 | 삼성전자주식회사 | Knob assembly and washing machine having the same |
| KR102559885B1 (en) * | 2015-12-30 | 2023-07-27 | 삼성전자주식회사 | Cooking appliance having switch assembly |
| JP6632890B2 (en) * | 2016-01-25 | 2020-01-22 | 古野電気株式会社 | Operation device |
| EP3433696B1 (en) * | 2016-03-24 | 2021-05-12 | Electrolux Home Products PTY Limited | Gas knob skirt retainer |
| CN205751978U (en) * | 2016-05-16 | 2016-11-30 | 广东金莱特电器股份有限公司 | A kind of knob angle limiting structure |
| CN206290341U (en) * | 2016-12-23 | 2017-06-30 | 济宁智能工程机械有限公司 | Grip |
| KR102038519B1 (en) * | 2017-04-14 | 2019-11-26 | 대동공업주식회사 | Rotary switches for farm machinery, including arc protection |
| CN108172442B (en) * | 2017-12-29 | 2024-04-30 | 宁波速普电子有限公司 | Electrical control knob switch |
| CN209198981U (en) * | 2018-12-27 | 2019-08-02 | 惠州比亚迪实业有限公司 | A kind of knob structure and electronic equipment |
| CN109637872B (en) * | 2018-12-29 | 2024-07-16 | 海能达通信股份有限公司 | Knob assembly, switching device and electronic equipment |
| CN209216854U (en) * | 2019-01-02 | 2019-08-06 | 佛山市顺德区美的电热电器制造有限公司 | Knob assembly and household electrical appliance component |
| FR3091617B1 (en) * | 2019-01-04 | 2020-12-04 | Seb Sa | APPLIANCE EQUIPPED WITH AN IMPROVED CONTROL DEVICE |
| CN110262624A (en) * | 2019-06-13 | 2019-09-20 | 珠海双喜电器股份有限公司 | A kind of knob of outer ring rotating |
| CN210119722U (en) * | 2019-06-13 | 2020-02-28 | 珠海双喜电器股份有限公司 | Outer ring rotating knob |
-
2020
- 2020-09-01 CN CN202021878630.6U patent/CN212676165U/en active Active
- 2020-12-03 WO PCT/CN2020/133489 patent/WO2022048056A1/en active Application Filing
- 2020-12-03 WO PCT/CN2020/133488 patent/WO2022048055A1/en active Application Filing
- 2020-12-03 CN CN202080004527.5A patent/CN114641841A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193451A1 (en) * | 2021-03-15 | 2022-09-22 | 蒋亮健 | Manual-adjustment-type device for adjusting swing angle of electric fan according to identifications |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114641841A (en) | 2022-06-17 |
| WO2022048055A1 (en) | 2022-03-10 |
| WO2022048056A1 (en) | 2022-03-10 |
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