CN112128806A - Telescopic knob and gas appliance comprising same - Google Patents
Telescopic knob and gas appliance comprising same Download PDFInfo
- Publication number
- CN112128806A CN112128806A CN202011162891.2A CN202011162891A CN112128806A CN 112128806 A CN112128806 A CN 112128806A CN 202011162891 A CN202011162891 A CN 202011162891A CN 112128806 A CN112128806 A CN 112128806A
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- CN
- China
- Prior art keywords
- knob
- knob assembly
- valve rod
- detent
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/10—Arrangement or mounting of ignition devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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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
Abstract
The invention discloses a telescopic knob and a gas appliance comprising the same, wherein the telescopic knob comprises: a valve stem connector; the knob assembly is arranged on the valve rod connecting piece and can drive the valve rod connecting piece to rotate together, and the knob assembly can axially extend and retract relative to the valve rod connecting piece; when the knob assembly is in an extending state, the knob assembly and the valve rod connecting piece are locked together in the axial downward direction through a locking device and can move axially downward together; the locking device is provided with an unlocking mechanism which can release the locking of the knob assembly and the valve rod connecting piece so that the knob assembly can retract relative to the valve rod connecting piece. The invention also discloses a gas appliance comprising the telescopic knob. The telescopic knob can be used for telescopic operation, and meanwhile, the normal opening of the gas plug valve is not influenced.
Description
Technical Field
The invention relates to the technical field of gas appliances, in particular to a telescopic knob and a gas appliance comprising the same.
Background
Most of knobs of the existing household appliances protrude out of the panel and cannot stretch out and draw back, the structure not only influences the appearance and body feeling, but also prevents a user from cleaning the area near the knobs, and people are easily touched by mistake and hurt by the knobs. For this reason, some telescopic knobs are also available, and when the knob is not used, the knob may be pressed to retract, thereby lowering the height of the knob or retracting the knob into the panel.
For gas cookers such as gas cookers, integrated cookers and gas ovens, the gas plug valves are usually opened and closed by knobs, and the opening of some gas plug valves requires the pressing of the knobs, and then the rotation of the knobs is carried out, so that the final ignition and opening can be completed. However, the conventional telescopic knob is directly retracted when being pressed, so that the opening action cannot be completed, and the telescopic knob cannot be applied to a gas appliance with the gas plug valve.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a telescopic knob which can be applied to a gas appliance of a gas plug valve needing to be pressed and started.
The invention also provides a gas appliance with the gas appliance.
A telescopic knob according to an embodiment of a first aspect of the present invention includes: a valve stem connector; the knob assembly is arranged on the valve rod connecting piece, can drive the valve rod connecting piece to rotate together, and can axially extend and retract relative to the valve rod connecting piece; when the knob assembly is in an extending state, the knob assembly and the valve rod connecting piece are locked together in the axial downward direction through a locking device and can move axially downward together; the locking device is provided with an unlocking mechanism which can release the locking of the knob assembly and the valve rod connecting piece, so that the knob assembly can retract relative to the valve rod connecting piece.
The telescopic knob provided by the embodiment of the invention at least has the following beneficial effects: the valve rod connecting piece is used for being connected to a valve rod of the gas plug valve. When the knob assembly is in the extending state, due to the action of the locking device, the knob assembly and the valve rod connecting piece can rotate together and can axially move downwards together, and therefore the opening action of the gas plug valve can be completed. When the knob assembly needs to be retracted, the locking effect of the locking device is released through the unlocking mechanism, so that the knob assembly can be retracted relative to the valve rod connecting piece.
According to some embodiments of the present invention, the locking device includes a locking control member movably disposed on the valve rod connecting member and having a locking position and an unlocking position, the locking control member is in the locking position when the knob assembly is in the extended state, the locking control member in the locking position enables the knob assembly and the valve rod connecting member to be locked together in an axially downward direction, the unlocking mechanism can drive the locking control member to move to switch the locking position and the unlocking position, and the knob assembly and the valve rod connecting member are unlocked when the locking control member is in the unlocking position.
According to some embodiments of the present invention, the unlocking mechanism includes an unlocking member, the locking device further includes a first elastic member, one end of the unlocking member is connected to the locking control member and can drive the locking control member to move, the other end of the unlocking member is provided with an operating portion, the first elastic member is disposed between the valve rod connecting member and the locking control member, and when the knob assembly is reset from the retracted state to the extended state, the locking control member can be reset to the locking position by the first elastic member.
According to some embodiments of the present invention, the locking control member and the unlocking member are axially movably disposed with respect to the stem connector, and when the knob assembly is axially moved downward together with the stem connector, the locking control member is axially moved downward together and maintained in the locking position; when the knob assembly is in an extending state, the unlocking piece moves downwards relative to the valve rod connecting piece in the axial direction to drive the locking control piece to be switched from the locking position to the unlocking position, and the operating part is configured as a button; the knob assembly is provided with a button hole, and the operating part is movably arranged in the button hole and exposed out through the button hole.
According to some embodiments of the invention, the knob assembly is provided with a sleeve hole, the knob assembly is sleeved on the valve rod connecting piece through the sleeve hole and can axially extend and retract relative to the valve rod connecting piece, and a clamping matching part is arranged on the inner wall of the sleeve hole; the valve rod connecting piece is provided with a sliding hole for the locking control piece to axially slide, the side wall of the sliding hole is provided with an elastic clamping part, and the hole wall of the sliding hole is provided with a pushing part opposite to the elastic clamping part; when the knob assembly is in an extending state, the locking control piece is kept between the pushing part and the elastic clamping part through the first elastic piece, and the pushing part pushes the locking control piece to the elastic clamping part so that the elastic clamping part extends to the lower side of the clamping matching part to limit the knob assembly; the unlocking piece can order about locking control piece down remove and with top push portion with elasticity joint portion breaks away from the cooperation, the locking control piece with when elasticity joint portion breaks away from the cooperation, elasticity joint portion can reset to with joint cooperation portion breaks away from the complex position.
According to some embodiments of the present invention, the unlocking member is provided with a linking portion, and after the unlocking member moves axially downward to switch the locking control member to the unlocking position, the unlocking member can link the knob assembly to move axially downward together through the linking portion when moving further axially downward, so that the knob assembly enters the retracted state.
According to some embodiments of the invention, a pop-up mechanism is disposed between the knob assembly and the valve stem connector, and the knob assembly is capable of being returned to an extended state by the pop-up mechanism when the knob assembly is in a retracted state.
According to some embodiments of the invention, the ejection mechanism includes a second resilient member disposed between the knob assembly and the stem connector and having a tendency to return to an extended state; the knob assembly comprises a knob main body and a clamping piece arranged on the knob main body, and the clamping piece can axially move together with the knob main body; the valve rod connecting piece is provided with a first slide way, the clamping piece is arranged on the first slide way in a sliding mode, and a first clamping position, a second clamping position and a separation part are arranged on the first slide way; when the knob component is in an extending state, the clamping piece is clamped in the first clamping position; when the knob component moves downwards relative to the valve rod connecting piece in the axial direction to retract, the clamping piece can slide to the second clamping position along the first slide way, and the clamping piece can be clamped in the second clamping position so that the knob component can be kept in a retracted state; when the knob assembly is pressed downwards in a retracted state, the clamping piece can be matched with the separation part to separate from the second clamping position, and the separated clamping piece can return to the first clamping position along the first slide way.
According to some embodiments of the invention, the first slideway is an annular slideway, the first detent is configured as a recess provided at an upper end of the annular slideway, the annular slide way contains a convex block, the second clamping position is configured to be a concave part at the lower part of the convex block, the clamping piece is movably connected with the knob main body and limited to move in the horizontal direction, when the knob component moves downwards relative to the valve rod connecting piece in the axial direction to retract, the clamping piece can slide to the second clamping position along the left half side of the annular slide way, the slide way wall of the part of the first slide way opposite to the second clamping position is obliquely arranged to form the separation part, the screens piece can pass through the slide wall produces horizontal migration and with the second screens staggers, the screens piece with the second screens staggers the back the screens piece can pass through the right side lateral sliding of cyclic annular slide returns to first screens.
According to a second aspect embodiment of the invention, a gas appliance comprises: a gas appliance body; the gas plug valve is arranged on the gas appliance main body and is provided with a valve rod; the telescoping knob of any of the above, the valve stem connector being connected to the valve stem.
The gas appliance provided by the embodiment of the invention at least has the following beneficial effects: the gas appliance adopting the telescopic knob has the advantages that the knob component can be telescopic, and the normal opening of the gas plug valve is not influenced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a perspective view of a telescoping knob according to an embodiment of the present invention;
FIG. 2 is an exploded view of the telescoping knob of FIG. 1;
FIG. 3 is a schematic half-section view of the telescoping knob shown in FIG. 1 (with the knob assembly in an extended state);
FIG. 4 is an enlarged schematic view of FIG. 3 at A;
FIG. 5 is a schematic view of the knob assembly and the valve stem connector of an embodiment of the present invention after moving axially downward together;
FIG. 6 is a schematic structural diagram of the unlocking mechanism releasing the locking of the locking device according to the embodiment of the present invention;
FIG. 7 is an enlarged view of FIG. 6 at B;
FIG. 8 is a schematic view of the knob assembly of the present invention in a retracted state;
FIG. 9 is an exploded view of the telescoping knob of an embodiment of the present invention;
FIG. 10 is an enlarged view at C of FIG. 9;
FIG. 11 is a schematic structural view of a locking member according to an embodiment of the present invention;
FIG. 12 is a schematic view of a knob assembly according to an embodiment of the present invention in an extended state;
FIG. 13 is a schematic view of the knob assembly in a retracted state according to the embodiment of the present invention.
Reference numerals: the valve rod connecting piece 100, the sliding hole 110, the elastic clamping portion 120, the pushing portion 130, the first slide 140, the first clamping portion 141, the second clamping portion 142, the disengaging portion 143, the inserting hole 150, the knob assembly 200, the sleeving hole 210, the clamping matching portion 220, the button hole 230, the knob main body 240, the second slide 241, the clamping piece 250, the locking device 300, the locking control piece 310, the unlocking piece 320, the operating portion 321, the linkage portion 322, the first elastic piece 330, the ejecting mechanism 400 and the second elastic piece 410.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 and 2, the telescopic knob includes: a valve stem connector 100; the knob assembly 200 is arranged on the valve rod connecting piece 100, the knob assembly 200 can drive the valve rod connecting piece 100 to rotate together, and the knob assembly 200 can axially extend and retract relative to the valve rod connecting piece 100; when the knob assembly 200 is in the extended state, the knob assembly 200 and the valve rod connecting piece 100 are locked together in the axial downward direction by a locking device 300 and can move axially downward together; the locking device 300 is provided with an unlocking mechanism capable of releasing the knob assembly 200 from being locked with the stem link 100 so that the knob assembly 200 can be retracted with respect to the stem link 100. It should be understood that axial refers to the direction indicated by the axis of rotation when the knob assembly 200 is rotated; downward refers to the direction of retraction of the knob assembly 200 relative to the valve stem connector 100.
The valve stem connector 100 is for connection to the valve stem of a gas plug valve. When the knob assembly 200 is in the extended state, due to the action of the locking device 300, the knob assembly 200 and the valve rod connecting piece 100 can rotate together and can also move downwards and together in the axial direction, so that the opening action of the gas plug valve can be completed. When it is desired to retract the knob assembly 200, the locking action of the locking device 300 is released by the unlocking mechanism, so that the knob assembly 200 can be retracted relative to the valve stem connector 100.
Referring to fig. 2, in the present embodiment, the locking device 300 includes a locking control member 310, the locking control member 310 is movably disposed on the valve rod connecting member 100 and has a locking position and an unlocking position, when the knob assembly 200 is in the extended state, the locking control member 310 is in the locking position, the locking control member 310 in the locking position enables the knob assembly 200 and the valve rod connecting member 100 to be locked together in the downward axial direction, the unlocking mechanism can drive the locking control member 310 to move to switch the locking position and the unlocking position, and when the locking control member 310 is in the unlocking position, the knob assembly 200 and the valve rod connecting member 100 are unlocked. The structure is simple and easy to implement. Of course, in other embodiments, the locking device 300 and the unlocking mechanism may have other structures, and those skilled in the art can select the structures as needed.
Referring to fig. 3, in the present embodiment, the unlocking mechanism includes an unlocking member 320, the locking device 300 further includes a first elastic member 330, one end of the unlocking member 320 is connected to the locking control member 310 and can drive the locking control member 310 to move, the other end of the unlocking member 320 is provided with an operating portion 321, the first elastic member 330 is disposed between the valve rod connecting member 100 and the locking control member 310, and when the knob assembly 200 is reset from the retracted state to the extended state, the locking control member 310 can be reset to the locking position through the first elastic member 330. By arranging the first elastic member 330, the locking control member 310 can be automatically reset, and the operation is convenient. In this embodiment, the first elastic member 330 is a spring, but in some embodiments, the locking control member 310 may also be reset by a torsion spring, a spring plate, or the like.
In the embodiment, the locking control member 310 and the unlocking member 320 are axially movably disposed relative to the valve stem connector 100, and when the knob assembly 200 moves axially downward together with the valve stem connector 100, the locking control member 310 can move axially downward together and is kept in the locking position; when the knob assembly 200 is in the extended state, the unlocking member 320 moves axially downward relative to the valve rod connector 100 to drive the locking control member 310 to switch from the locking position to the unlocking position, and the operating portion 321 is configured as a button. The unlocking member 320 adopts a button structure, and is convenient to operate. In the present embodiment, the knob assembly 200 is provided with a button hole 230, and the operation portion 321 is movably disposed in the button hole 230 and exposed through the button hole 230. Of course, in other embodiments, the unlocking member 320 may also be a knob or a toggle structure to actuate the locking control member 310, which may be selected as desired.
Referring to fig. 3 and 4, in the present embodiment, the knob assembly 200 is provided with a sleeve hole 210, the knob assembly 200 is sleeved on the valve rod connector 100 through the sleeve hole 210 and can axially extend and retract relative to the valve rod connector 100, and a clamping fit portion 220 is provided on an inner wall of the sleeve hole 210; the valve rod connecting piece 100 is provided with a sliding hole 110 for the locking control piece 310 to axially slide, the side wall of the sliding hole 110 is provided with an elastic clamping part 120, and the hole wall of the sliding hole 110 is provided with an ejecting part 130 opposite to the elastic clamping part 120; when the knob assembly 200 is in the extended state, the locking control member 310 is held between the pushing portion 130 and the elastic clamping portion 120 through the first elastic member 330, and the pushing portion 130 pushes the locking control member 310 toward the elastic clamping portion 120, so that the elastic clamping portion 120 extends to the lower side of the clamping matching portion 220 to limit the knob assembly 200; the unlocking member 320 can drive the locking control member 310 to move downwards to be disengaged from the pushing portion 130 and the elastic clamping portion 120, and when the locking control member 310 is disengaged from the elastic clamping portion 120, the elastic clamping portion 120 can reset to be disengaged from the clamping engaging portion 220. In this embodiment, the elastic clamping portion 120 is an elastic sheet integrally injection-molded with the valve rod connecting member 100, and of course, in other embodiments, the elastic clamping portion 120 may also be a combination of an elastic member and a movable member to achieve elastic expansion and contraction of a certain structure.
In this embodiment, one end of the unlocking member 320 is connected to the locking control member 310 in a clamping manner and can move axially together, the connection between the unlocking member 320 and the locking control member 310 has a movement margin, and the locking control member 310 can move radially relative to the unlocking member 320, so that the pushing member 130 can push the elastic clamping member 120. Specifically, the locking control member 310 is provided with a shaft portion, the shaft portion is provided with a flange portion, the unlocking member 320 is provided with a hole portion, the wall of the hole portion is provided with an annular groove, the shaft portion is accommodated in the hole portion, and the flange portion is accommodated in the annular groove, so that the clamping connection is formed, and meanwhile, the diameter sizes of the hole portion and the annular groove are larger than those of the shaft portion and the flange portion, so that the locking control member 310 obtains a movement margin and can move in the radial direction.
In this embodiment, the unlocking member 320 is provided with a linking portion 322, and after the unlocking member 320 moves axially downward to switch the locking control member 310 to the unlocking position, the unlocking member 320 can move axially downward together with the knob assembly 200 through the linking portion 322 when moving further axially downward, so that the knob assembly 200 enters the retracted state. With the above structure, the unlocking of the unlocking mechanism and the retraction of the knob assembly 200 can be realized simply by pressing the operation portion 321, and the operation is direct and convenient. In the present embodiment, the interlocking portion 322 is a flange structure disposed below the operation portion 321 and the button hole 230, and the flange structure can abut against the knob assembly 200 in an axially downward direction, so as to drive the knob assembly 200 to move axially downward. Of course, the linkage 322 may have other suitable structures, and those skilled in the art can select the structure according to the needs. In this embodiment, the knob assembly 200 includes a knob cap and a knob sleeve coupled to the knob cap, and the knob sleeve is coupled to the valve stem connector 100. The knob cap and the knob sleeve are connected in a clamping mode and enclosed to form a cavity for containing the flange structure, the button hole 230 is formed in the top of the cavity, and the flange structure is abutted to the bottom wall of the cavity to achieve linkage. In this embodiment, the flange structure is spaced from the lower edge of the button hole 230 when the knob assembly 200 is in the extended state, so that the locking member 320 is not easily accidentally released when the knob assembly 200 is pressed down when the gas cock valve is opened.
In this embodiment, when the knob assembly 200 and the valve stem connector 100 move together axially downward, the locking control member 310 can move synchronously axially downward and remain in the locking position. Specifically, the inner wall of the sliding hole 110 is provided with a limiting step, when the valve rod connector 100 moves downward, the limiting step presses the locking control member 310 to move downward, and the locking control member 310 is connected with the lower end of the unlocking member 320, so that the unlocking member 320 can also move downward synchronously.
In this embodiment, the inner wall of the socket hole 210 is snap-fitted to the circumferential surface of the stem connector 100, so that the knob assembly 200 and the stem connector 100 can be rotated together. Of course, the knob assembly 200 and the valve stem connector 100 may be rotated together by other structures, and those skilled in the art can arrange them according to the actual situation.
Referring to FIG. 2, in the present embodiment, an ejection mechanism 400 is disposed between the knob assembly 200 and the valve stem connector 100, and when the knob assembly 200 is in the retracted state, the knob assembly 200 can be restored to the extended state by the ejection mechanism 400. By providing the eject mechanism 400, the knob assembly 200 can be ejected to return to the extended state, which is convenient for use.
Referring to fig. 9, in the present embodiment, the pop-up mechanism 400 includes a second elastic member 410, and the second elastic member 410 is disposed between the knob assembly 200 and the valve stem coupling member 100 and has a tendency to restore the knob assembly 200 to the extended state; the knob assembly 200 comprises a knob body 240 and a detent member 250 disposed on the knob body 240, wherein the detent member 250 is capable of moving axially together with the knob body 240; the valve rod connecting piece 100 is provided with a first slide way 140, the blocking piece 250 is arranged on the first slide way 140 in a sliding manner, and the first slide way 140 is provided with a first blocking part 141, a second blocking part 142 and a separation part 143; when the knob assembly 200 is in the extended state, the blocking member 250 is blocked in the first blocking portion 141; when the knob assembly 200 moves downward in the axial direction relative to the stem connector 100 to retract, the detent member 250 can slide to the second detent 142 along the first slide 140, and the detent member 250 can be engaged with the second detent 142 to keep the knob assembly 200 in the retracted state; when the knob assembly 200 is pressed downward in the retracted state, the detent 250 can be engaged with the disengaging portion 143 to disengage from the second detent 142, and the disengaged detent 250 can return to the first detent 141 along the first slide 140.
In this embodiment, the second elastic element 410 is a spring, but in some embodiments, the second elastic element 410 may also be a torsion spring, a spring plate, or the like.
Referring to fig. 10, in the present embodiment, the first slide 140 is an annular slide, the first detent 141 is configured as a recessed portion disposed at an upper end of the annular slide, the annular slide accommodates a protrusion, the second detent 142 is configured as a recessed portion at a lower portion of the protrusion, the detent 250 is movably connected to the knob body 240 and is limited to move in a horizontal direction, when the knob assembly 200 moves axially downward relative to the valve rod connector 100 to retract, the detent 250 can slide to the second detent 142 along a left half side of the annular slide, a slide wall of a portion of the first slide 140 opposite to the second detent 142 is obliquely disposed to form the disengagement portion 143, the detent 250 can horizontally shift through the slide wall and is staggered from the second detent 142, and after the detent 250 is staggered from the second detent 142, the detent 250 can slide back to the first detent 141 through a right half side of the annular slide.
Referring to fig. 9, in the present embodiment, a second slide 241 extending horizontally is formed on the knob body 240, and the locking member 250 is slidably connected to the second slide 241, so as to be limited to move in the horizontal direction.
Referring to fig. 11, in the present embodiment, the locking member 250 includes a circular disk body, and two end surfaces of the circular disk body are provided with protruding shaft portions, one of which can slide in the first slide rail 140, and the shaft portion also serves as the locking engagement portion 220. The other shaft portion is slidable in the second slide 241.
The working principle of the telescopic knob in the embodiment is as follows:
when the knob assembly 200 is in the extended state shown in fig. 3, the knob assembly is in a normal operating state, the locking control member 310 is in the locking position, that is, between the pushing portion 130 and the elastic clamping portion 120, the pushing portion 130 pushes the locking control member 310 toward the elastic clamping portion 120, the elastic clamping portion 120 extends to the lower side of the clamping matching portion 220 to limit the knob assembly 200, the knob assembly 200 is limited by the elastic clamping portion 120 when moving downward, and therefore the knob assembly 200 can drive the valve rod connecting member 100 to move together in the downward axial direction. The knob assembly 200 is pressed to drive the valve rod of the gas plug valve to move downwards, and then the knob assembly 200 is synchronously rotated to link the valve rod connecting piece 100 and the valve rod of the gas plug valve to rotate together, so that the opening action of the gas plug valve can be realized, as shown in fig. 5.
When the knob assembly 200 needs to be retracted, referring to fig. 6 and 7, the operation portion 321 of the unlocking member 320 is pressed to drive the locking control member 310 to move down to be disengaged from the pushing portion 130 and the elastic clamping portion 120, at this time, the elastic clamping portion 120 resets to be disengaged from the clamping engagement portion 220, the locking of the knob assembly 200 and the valve rod connecting member 100 is released, at this time, the operation portion 321 of the unlocking member 320 is further pressed, and the operation portion 321 drives the knob assembly 200 to move down through the linkage portion 322 to enable the knob assembly 200 to be retracted. In the above process, referring to fig. 12, the blocking member 250 can slide to the second blocking portion 142 along the left half side of the annular slide way, and under the action of the second elastic member 410, the blocking member 250 keeps blocking on the second blocking portion 142, and the knob assembly 200 keeps in the retracted state. Referring to fig. 13, in order to restore the knob assembly 200 to the extended state, the knob assembly 200 may be pressed to move the detent 250 downward, and the disengagement portion 143 disengages from the second detent 142, the second elastic member 410 releases the elasticity, and the detent 250 slides along the right half of the annular slide to return to the first detent 141, and the knob assembly 200 is restored to the extended state. During the process of returning the knob assembly 200 to the extended state, the locking control member 310 is reset to the locking position by the first elastic member 330, and the unlocking member 320 is also reset to the original state.
The telescopic knob can be applied to gas appliances: gas utensil, it includes: a gas appliance body; the gas plug valve is arranged on the stove body and is provided with a valve rod; the telescoping knob, valve stem connector 100 of any of the above, is attached to a valve stem. The gas appliance adopting the telescopic knob has the advantages that the knob component can be telescopic, and the normal opening of the gas plug valve is not influenced.
In this embodiment, the valve rod connector 100 is provided with an insertion hole 150, the insertion hole 150 is provided with an arc-shaped elastic piece 160, and the arc-shaped elastic piece 160 and the hole wall of the insertion hole 150 form a valve rod insertion space. The valve rod of the gas plug valve can be inserted into the valve rod insertion space, the valve rod can be clamped through the arc-shaped elastic sheet 160, and the valve rod connecting piece 100 is installed stably. Of course, in other embodiments, the valve stem connector 100 may be fixed to the valve stem of the gas plug valve by other structures, such as a threaded connection, a snap connection, and the like.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. Telescopic knob, characterized in that, includes:
a valve stem connector (100);
the knob assembly (200) is arranged on the valve rod connecting piece (100), the knob assembly (200) can drive the valve rod connecting piece (100) to rotate together, and the knob assembly (200) can axially extend and retract relative to the valve rod connecting piece (100); wherein the content of the first and second substances,
when the knob assembly (200) is in an extending state, the knob assembly (200) and the valve rod connecting piece (100) are locked together in the axial downward direction through a locking device (300) and can move axially downward together; the locking device (300) is provided with an unlocking mechanism which can release the locking of the knob assembly (200) and the valve rod connecting piece (100) so that the knob assembly (200) can retract relative to the valve rod connecting piece (100).
2. The telescoping knob of claim 1, wherein the detent mechanism (300) includes a detent control member (310), the detent control member (310) being movably disposed to the stem link (100) and having a detent position and an unlocking position, the detent control member (310) being in the detent position when the knob assembly (200) is in the extended state, the detent control member (310) in the detent position being capable of locking the knob assembly (200) and the stem link (100) together in an axially downward direction, the unlocking mechanism being capable of activating the detent control member (310) to switch the detent position and the unlocking position, the knob assembly (200) and the stem link (100) being unlocked when the detent control member (310) is in the unlocking position.
3. The telescopic knob according to claim 2, wherein the unlocking mechanism comprises an unlocking member (320), the locking device (300) further comprises a first elastic member (330), one end of the unlocking member (320) is connected to the locking control member (310) to drive the locking control member (310) to move, the other end of the unlocking member (320) is provided with an operating portion (321), the first elastic member (330) is disposed between the valve rod connecting member (100) and the locking control member (310), and when the knob assembly (200) is reset from the retracted state to the extended state, the locking control member (310) can be reset to the locking position through the first elastic member (330).
4. The telescoping knob of claim 3, wherein the locking control member (310) and the unlocking member (320) are axially movably disposed relative to the valve stem connector (100), and wherein the locking control member (310) is axially movable and retained in the locked position when the knob assembly (200) is axially moved downward together with the valve stem connector (100); when the knob assembly (200) is in an extending state, the unlocking piece (320) moves downwards relative to the valve rod connecting piece (100) in the axial direction to drive the locking control piece (310) to be switched from the locking position to the unlocking position, and the operating part (321) is configured as a button; the knob assembly (200) is provided with a button hole (230), and the operating part (321) is movably arranged in the button hole (230) and is exposed through the button hole (230).
5. The retracting knob according to claim 4,
the knob assembly (200) is provided with a sleeve hole (210), the knob assembly (200) is sleeved on the valve rod connecting piece (100) through the sleeve hole (210) and can axially extend and retract relative to the valve rod connecting piece (100), and the inner wall of the sleeve hole (210) is provided with a clamping matching part (220);
the valve rod connecting piece (100) is provided with a sliding hole (110) for the locking control piece (310) to axially slide, the side wall of the sliding hole (110) is provided with an elastic clamping part (120), and the hole wall of the sliding hole (110) is provided with a pushing part (130) opposite to the elastic clamping part (120);
when the knob assembly (200) is in an extending state, the locking control member (310) is kept between the pushing portion (130) and the elastic clamping portion (120) through the first elastic member (330), and the pushing portion (130) pushes the locking control member (310) towards the elastic clamping portion (120), so that the elastic clamping portion (120) extends to the lower side of the clamping matching portion (220) to limit the knob assembly (200); unlocking piece (320) can order about locking control piece (310) down move and with top push portion (130) with elasticity joint portion (120) break away from the cooperation, locking control piece (310) with when elasticity joint portion (120) break away from the cooperation, elasticity joint portion (120) can reset to with joint cooperation portion (220) break away from the complex position.
6. The telescopic knob according to claim 4, wherein the unlocking member (320) is provided with a linkage portion (322), and after the unlocking member (320) moves axially downward to switch the locking control member (310) to the unlocking position, the unlocking member (320) can move axially downward through the linkage portion (322) to link the knob assembly (200) and move axially downward together, so that the knob assembly (200) enters the retracted state.
7. The telescoping knob according to claim 2, wherein a pop-up mechanism (400) is disposed between the knob assembly (200) and the valve stem connector (100), wherein the knob assembly (200) is recoverable to an extended state by the pop-up mechanism (400) when the knob assembly (200) is in a retracted state.
8. The telescoping knob according to claim 7, wherein the ejection mechanism (400) comprises a second resilient member (410), the second resilient member (410) being disposed between the knob assembly (200) and the valve stem connector (100) and providing the knob assembly (200) with a tendency to return to an extended state; the knob assembly (200) comprises a knob main body (240) and a clamping piece (250) arranged on the knob main body (240), wherein the clamping piece (250) can axially move together with the knob main body (240); a first slide way (140) is formed in the valve rod connecting piece (100), the clamping piece (250) is arranged on the first slide way (140) in a sliding mode, and a first clamping position (141), a second clamping position (142) and a separation part (143) are arranged on the first slide way (140); when the knob component (200) is in an extending state, the clamping piece (250) is clamped in the first clamping position (141); when the knob assembly (200) moves downwards relative to the valve rod connecting piece (100) in the axial direction to retract, the clamping piece (250) can slide to the second clamping piece (142) along the first slide way (140), and the clamping piece (250) can be clamped in the second clamping piece (142) so that the knob assembly (200) can be kept in a retracted state; when the knob assembly (200) is pressed downwards in a retracted state, the blocking piece (250) can be matched with the disengaging part (143) to disengage from the second blocking part (142), and the blocked piece (250) after disengaging can return to the first blocking part (141) along the first slide way (140).
9. The telescoping knob according to claim 8, wherein the first slide (140) is an annular slide, the first detent (141) is configured as a recess disposed at an upper end of the annular slide, the annular slide accommodates a protrusion, the second detent (142) is configured as a recess disposed at a lower portion of the protrusion, the detent (250) is movably connected to the knob body (240) and is limited to move in a horizontal direction, when the knob assembly (200) moves axially downward relative to the stem connector (100) to retract, the detent (250) can slide along a left half side of the annular slide to the second detent (142), a slide wall of a portion of the first slide (140) opposite to the second detent (142) is obliquely disposed to form the disengaging portion (143), and the detent (250) can be horizontally offset by the slide wall and is staggered from the second detent (142), screens piece (250) with second screens (142) stagger the back screens piece (250) can pass through right side slip of cyclic annular slide returns to first screens (141).
10. Gas utensil, its characterized in that includes:
a gas appliance body;
the gas plug valve is arranged on the gas appliance main body and is provided with a valve rod;
a telescoping knob according to any of claims 1 to 9, the valve stem connector (100) being connected to the valve stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011162891.2A CN112128806A (en) | 2020-10-27 | 2020-10-27 | Telescopic knob and gas appliance comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011162891.2A CN112128806A (en) | 2020-10-27 | 2020-10-27 | Telescopic knob and gas appliance comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112128806A true CN112128806A (en) | 2020-12-25 |
Family
ID=73853964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011162891.2A Pending CN112128806A (en) | 2020-10-27 | 2020-10-27 | Telescopic knob and gas appliance comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112128806A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11442486B2 (en) * | 2019-07-29 | 2022-09-13 | Whirlpool Corporation | Knob assembly |
| WO2022211755A1 (en) * | 2021-03-29 | 2022-10-06 | Imren Plastik Sanayi Ve Ticaret Limited Sirketi | A movement control mechanism |
-
2020
- 2020-10-27 CN CN202011162891.2A patent/CN112128806A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11442486B2 (en) * | 2019-07-29 | 2022-09-13 | Whirlpool Corporation | Knob assembly |
| WO2022211755A1 (en) * | 2021-03-29 | 2022-10-06 | Imren Plastik Sanayi Ve Ticaret Limited Sirketi | A movement control mechanism |
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