CN113494721B

CN113494721B - Knob for gas stove

Info

Publication number: CN113494721B
Application number: CN202010266735.4A
Authority: CN
Inventors: 刘晓刚; 柯情; 王帅东
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2022-10-21
Anticipated expiration: 2040-04-07
Also published as: CN113494721A

Abstract

The invention relates to a knob for a gas stove, which comprises an operation body, an operation shaft capable of performing pressing operation and rotating operation, a knob surrounding the operation shaft and a knob seat arranged on a panel of the gas stove, and is characterized in that: the operation body further comprises: the knob tongue is arranged in the knob seat and can stretch out and draw back relative to the inside and the outside of the knob, the knob tongue can protrude out of the knob when the operation body is pressed, and the elastic piece.

Description

Knob for gas stove

Technical Field

The invention relates to the technical field of household kitchen utensils and relates to a knob for a gas stove.

Background

The knob of the gas stove is used for adjusting firepower, and for example, the knob of the existing gas stove is a Chinese patent application of 'a burner', with the application number of CN201810053389.4 (with the publication number of CN 108131669A), the burner comprises at least two fire rings, and each fire ring is independently controlled by the knob corresponding to the fire ring. Each fire ring of the burner provided by the invention is correspondingly provided with one knob, and each fire ring is independently controlled by the knob corresponding to the fire ring, so that each fire ring can be independently controlled, and the fire rings can be opened or closed simultaneously and cannot be opened or closed simultaneously; different combinations and stepless regulation of firepower can be realized through different combinations of different knobs, the supply of big fire can be guaranteed, and the firepower can be regulated by a user in a stepless manner according to the requirements of the user, so that the requirements of the user on different firepower can be met. The knob structure is a common knob structure, the outer surface of the knob is a smooth surface, the knob structure is not only lack of hand feeling of a user during operation, but also is easy to slip, and therefore the existing knob needs to be further improved.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide a knob for a gas stove, which can avoid the slipping phenomenon when a user operates the knob, in view of the above prior art.

A second technical problem to be solved by the present invention is to provide a knob for a gas stove, which can avoid the need for a user to bend down to see the corresponding fire when operating the knob, in view of the above-mentioned current state of the art.

The technical scheme adopted by the invention for solving the first technical problem is as follows: this a knob for gas-cooker including:

an operation body having an operation shaft capable of performing both pressing operation and rotating operation, and a knob surrounding the operation shaft;

the knob seat is arranged on a panel of the gas stove, and the operating body is arranged on the knob seat and can drive the knob to rotate when being pressed relative to the knob seat, so that the fire power of the gas stove is adjusted;

the method is characterized in that:

the operation body further comprises:

the knob tongue is arranged in the knob seat and can stretch out and draw back relative to the inside and the outside of the knob, and the knob tongue can protrude out of the knob when the operation body is pressed; and

and the elastic piece is arranged between the operating body and the knob seat and can enable the knob tongue to have the tendency of retracting into the knob.

Further, in order to achieve the effect that the knob tongue has the function of indicating the fire in addition to the function of preventing the user from slipping when operating the knob, it is preferable that the knob base further includes a stopper portion for stopping the knob tongue in a state where the operating body drives the knob tongue to be extended outward, the knob tongue indicating the fire state of the gas range. When a user presses and rotates the knob, the gas can be turned on and off, and meanwhile, the firepower can be adjusted, so that the limitation that when the firepower is adjusted, the user needs to bow to see the adjusted firepower at times can be effectively solved by increasing the function that the number of the convex tongues of the knob can correspond to the firepower state one by one.

Further, the knob comprises a top wall and an annular peripheral wall extending downwards from the outer periphery of the top wall, the annular peripheral wall is surrounded to form a knob cavity, and an opening for the knob tongue to enter and exit is formed in the annular peripheral wall of the knob cavity.

In order to realize that the knob tongue has the function of indicating firepower, preferably, the knob tongue is of a K-type, the knob tongue comprises a knob body and a branching part connected to the inner side of the knob body, the branching part comprises an upper branching foot gradually inclining upwards from below and a lower branching foot gradually inclining downwards from above and below from the upper branching foot, the upper branching foot is hinged to the lower surface of the top wall of the knob through a pin shaft, and the lower branching foot can be ejected out of the limiting part and protrude out of the opening of the knob in a state that the lower branching foot abuts against the limiting part of the knob seat.

For convenient installation, preferably, the lower surface of the top wall of the knob is provided with a hinge seat for the upper forked foot to hinge, and the hinge seat comprises a channel for the pin shaft to pass through from bottom to top. Because the knob seat is positioned below the knob, the channel of the hinged seat can more conveniently lead the pin shaft of the upper forked foot on the knob seat to more conveniently penetrate into the hinged seat.

Preferably, the channel is an inverted L-channel.

Furthermore, the knob seat comprises a cylinder part with a downward opening and a peripheral part extending upwards from the peripheral wall of the cylinder part, the top of the cylinder part of the knob seat is provided with a central hole for the operating rod of the operating body to pass through, a local part of the operating rod adjacent to the position above the central hole is provided with a reducing opening, the elastic part is a compression spring, the compression spring is sleeved in the reducing opening of the operating rod, one end of the compression spring is connected to the top end of the reducing opening of the operating rod, and the other end of the compression spring is connected to the peripheral edge of the hole wall of the central hole.

In order to realize the function of indicating the fire by the knob tongue, it is preferable that a reverse buckle is extended from the peripheral edge of the cylinder part in the direction of the operating lever, a hook part capable of hooking the reverse buckle is provided on the lower branch leg of the knob tongue, and the knob tongue is held in the locked state in the state where the hook part is hooked on the reverse buckle. When a user presses and rotates the knob, the knob tongues can protrude out of the outer surface of the knob, at the moment, the hook parts can be hooked on the reverse buckle in a cooking state, and the protruding number of the knob tongues can correspond to the fire power state one by one.

In order to realize one-to-one correspondence between the number of the protruding knob tongues and the fire power state, preferably, the knob tongues are at least two, the peripheral edge of the corresponding barrel part is provided with at least two notches at intervals along the circumferential direction, and each notch divides the peripheral edge of the barrel part into independent sub-peripheral edge parts.

Further, the breach has three, is first breach, second breach, third breach respectively, and wherein the arc length X1 that first breach corresponds satisfies has: x1 is greater than A, and the arc length X2 corresponding to the second notch satisfies the following condition: x2 is more than A + X1, and the arc length X3 corresponding to the third notch satisfies the following condition: x3 is more than A + X2, wherein X1 is more than 1.5 pi and less than 2.2 pi, X2 is more than 3 pi and less than 4.5 pi, X3 is more than 4.5 pi and less than 6.8 pi, and A is more than 1 and less than 3. The setting of above-mentioned breach can make and to indicate big fire state when rotating out a knob tongue, can rotate out two knob tongues when rotating a knob angle again to instruct the biggest fire state, can rotate out three knob tongues when continuing to rotate a knob angle again, with the little fire state of instructing, can will go out four knob tongues when continuing to rotate a knob angle again, with instructing little fire state, finally rotate an angle again and can reply four knobs to in the knob simultaneously.

Compared with the prior art, the invention has the advantages that the knob tongue can protrude out of the knob when the knob is operated by a user, so that the hand feeling can be conveniently improved when the knob is rotated, the slipping phenomenon of the cylindrical knob is reduced, after the hand is loosened, the knob returns to the state of not being pressed under the action of the elastic piece, the knob tongue can return to the state in the knob again, and the slipping phenomenon generated when the knob is operated by the user is avoided.

Drawings

Fig. 1 is a schematic structural view of a knob for a gas range in embodiment 1 of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic structural view of the rotary base on which each knob tongue is provided in embodiment 1 of the present invention;

FIG. 4 is a schematic view showing the structure of one of the knob tongues in embodiment 1 of the present invention;

FIG. 5 is a schematic structural view of a knob seat in embodiment 1 of the present invention;

fig. 6 is a schematic structural view of the knob in an initial state according to embodiment 1 of the present invention;

FIG. 7 is a schematic view showing the knob in the state where one knob tongue is protruded in embodiment 1 of the present invention;

FIG. 8 is a schematic view showing the structure of the knob in which two knob tongues are extended according to embodiment 1 of the present invention;

FIG. 9 is a schematic view showing a knob in a state where three knob tongues are extended according to embodiment 1 of the present invention;

FIG. 10 is a schematic view showing the structure of the knob in embodiment 1 of the present invention with four knob tongues extended;

FIG. 11 is a schematic structural view of a knob in embodiment 1 of the present invention;

FIG. 12 is a cross-sectional view of the knob in position with the knob tongue extended in accordance with embodiment 1 of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

Example 1

As shown in fig. 1 to 12, the preferred embodiment of the present invention is shown. The knob 12 for the gas range of the present embodiment includes an operation body 1, the operation body 1 has an operation shaft 11 capable of performing two operations of pressing operation and rotating operation and a knob 12 surrounding the operation shaft 11; a knob seat 2 arranged on a panel of a gas stove, wherein an operation body 1 is arranged on the knob seat 2 and drives a knob 12 to rotate when being pressed relative to the knob seat 2, thereby realizing the fire power adjustment of the gas stove, the operation body 1 also comprises a knob tongue 13 which is arranged in the knob seat 2 and can be extended and retracted relative to the knob 12, the knob tongue 13 can be protruded out of the knob 12 when the operation body 1 is pressed, and an elastic piece 14 is arranged between the operation body 1 and the knob seat 2, the elastic piece 14 can lead the knob tongue 13 to have the tendency of retracting into the knob 12, when a user operates the knob 12, the knob tongue 13 can be protruded out of the knob 12, thereby being convenient for rotating the knob 12 to improve the hand feeling constantly and reducing the slipping phenomenon of the cylindrical knob 12, when the hand is loosened, the knob 12 is restored to the state of not being pressed under the action of the elastic piece 14, the knob tongue 13 can be restored to the state of being in the knob 12 again, thereby avoiding the slipping phenomenon generated when the user operates the knob 12.

Specifically, in order to realize the function of the knob tongue 13 of indicating the fire in addition to the function of preventing the user from slipping when operating the knob 12, it is preferable that the knob base 2 further includes a stopper portion 21 for stopping the knob tongue 13 in a state where the operating body 1 drives the knob tongue 13 to be protruded, and the knob tongue 13 indicates the fire state of the gas range. When the user presses or rotates the knob 12, the gas can be turned on or off and the fire power can be adjusted, so that the limitation that the user bends down to see the adjusted fire power when the user adjusts the fire power can be effectively solved by increasing the function that the number of the protruding knob tongues 13 can correspond to the fire power state one by one. The knob 12 includes a top wall 121 and an annular peripheral wall 122 extending downward from an outer periphery of the top wall 121, the annular peripheral wall 122 encloses a knob cavity 123, wherein the annular peripheral wall 122 of the knob cavity 123 is provided with an opening 1221 for the knob tongue 13 to enter and exit, in order to realize that the knob tongue 13 also has a function of indicating firepower, the knob tongue 13 is K-shaped, the knob tongue 13 includes a knob body 131 and a branch part 132 connected to an inner side of the knob body 131, the branch part 132 includes an upper branch foot 1321 inclined gradually upward from below the knob body 131 and a lower branch foot 1322 inclined gradually downward from above the upper branch foot 1321, the upper branch foot 1321 is hinged to a lower surface of the top wall 121 of the knob 12 through a pin 1323, and the lower branch foot 1322 can be ejected by the limit part 21 and protrude out of the opening 1221 of the knob 12 in a state where the lower branch foot 1322 abuts against the limit part 21 of the knob seat 2. In addition, for the convenience of installation, the lower surface of the top wall 121 of the knob 12 is provided with a hinge seat 1211 for the upper forked leg 1321 to hinge, the hinge seat 1211 includes a passage 1211a for the pin 1323 to pass through from bottom to top, and since the knob seat 2 is located below the knob 12, the passage 1211a of the hinge seat 1211 can more conveniently allow the pin 1323 of the upper forked leg 1321 of the knob seat 2 to more conveniently pass through the hinge seat 1211, and preferably, the passage 1211a is an inverted L-shaped passage 1211a.

As shown in fig. 3 and 5, the knob holder 2 of the present embodiment includes a cylindrical portion 20 with a downward opening, and a peripheral portion 201 extending upward from the outer peripheral wall of the cylindrical portion 20, the top of the cylindrical portion 20 of the knob holder 2 has a central hole 202 for the operating shaft 11 of the operating body 1 to pass through, the operating shaft 11 has a local reduced opening 110 at a position adjacent to the central hole 202, the elastic member 14 is a compression spring, the compression spring is sleeved in the reduced opening 110 of the operating shaft 11, one end of the compression spring is connected to the top end of the reduced opening 110 of the operating shaft 11, and the other end of the compression spring is connected to the peripheral edge of the hole wall of the central hole 202. In order to realize the knob tongue 13 having a function of indicating the fire, the peripheral edge portion 201 of the cylinder portion 20 is extended with the reverse buckle 2011 in the direction of the operation shaft 11, the lower branch foot 1322 of the knob tongue 13 is provided with the hook 1322b capable of hooking the reverse buckle 2011, and in the state where the hook 1322b is hooked on the reverse buckle 2011, the knob tongue 13 is held in the locked state, and when the user performs the pressing operation and the rotating operation on the knob 12, the knob tongue 13 can be protruded out of the outer surface of the knob 12, at this time, in the cooking state, the hook 1322b can be hooked on the reverse buckle 2011, and the protruded number of the knob tongue 13 can be in one-to-one correspondence with the fire state. In order to realize that the protruding amount of the knob tongue 13 can correspond to the fire power state one by one, the knob tongue 13 has at least two, correspondingly, the peripheral edge 201 of the barrel part 20 is provided with at least two notches at intervals along the circumferential direction, each notch divides the peripheral edge 201 of the barrel part 20 into independent sub-peripheral edge 201, specifically, the notches have three, the knob tongue 13 has four, the sub-peripheral edge 201 also has four, which are respectively a first notch 4a, a second notch 4b and a third notch 4c, wherein the arc length X1 corresponding to the first notch 4a satisfies: x1 is more than A, and the arc length X2 corresponding to the second gap 4b satisfies the following condition: x2 is more than A + X1, and the arc length X3 corresponding to the third gap 4c meets the following conditions: x3 is more than A + X2, wherein X1 is more than 1.5 pi and less than 2.2 pi, X2 is more than 3 pi and less than 4.5 pi, X3 is more than 4.5 pi and less than 6.8 pi, and A is more than 1 and less than 3. The arrangement of the notches can lead the first knob tongue 13a which is in a big fire state to be indicated when one knob tongue 13 is rotated out, the two knob tongues 13 which are the first knob tongue 13a and the second knob tongue 13b can be rotated out when the knob 12 is rotated for one angle to indicate the maximum fire state, the three knob tongues 13 which are the first knob tongue 13a, the second knob tongue 13b and the third knob tongue 13c can be rotated out when the knob 12 is rotated for one angle to indicate a small fire state, the four knob tongues 13 can be rotated out when the knob 12 is rotated for one angle to indicate a small fire state, and finally, the four knob tongues 13 can be returned into the knob 12 when the knob 12 is rotated for one angle.

In summary, referring to fig. 6 to 10, the process by which the knob 12 of the present embodiment can indicate the fire state of the gas range is as follows: when the knob 12 is driven to rotate before the pressing operation, the knob tongue 13 is a first knob tongue 13a, a second knob tongue 13b, a third knob tongue 13c and a fourth knob tongue 13d in a clockwise direction, and correspondingly, the first notch 4a, the second notch 4b and the third notch 4c are separated to form a first sub-peripheral edge 201a, a second sub-peripheral edge 201b and a third sub-peripheral edge 201c of the peripheral edge 201 of the cylinder 20, wherein an arc length X1 corresponding to the first notch 4a satisfies: x1 is greater than A, A is the width of the knob tongue 13, and the arc length X2 corresponding to the second notch 4b meets the following conditions: x2 is more than A + X1, and the arc length X3 corresponding to the third gap 4c meets the following conditions: x3 is more than A + X2, wherein X1 is more than 1.5 pi and less than 2.2 pi, X2 is more than 3 pi and less than 4.5 pi, X3 is more than 4.5 pi and less than 6.8 pi, A is more than 1 and less than 3, specifically, X1 is 2 pi, A is 2 pi, X2 is 4 pi, and X3 is 6 pi; the length of the second sub-peripheral portion 201b < the length of the first sub-peripheral portion 201a < the length of the third sub-peripheral portion 201c, in the initial state, the first knob tongue 13a is located on the third sub-peripheral portion 201c, the second knob tongue 13b is located in the first notch 4a, the third knob tongue 13c is located in the second notch 4b, and the fourth knob tongue 13d is located in the third notch 4c, since the knob 12 is not pressed in the initial state, for this reason, the knob bodies 131 of the first knob tongue 13a, the second knob tongue 13b, the third knob tongue 13c, and the fourth knob tongue 13d are all in contact with the annular peripheral wall 122 of the knob 12 (as shown in fig. 6), and when the user presses the knob 12 to open the gas, the lower bifurcated leg 1322 of the first knob tongue 13a hooks the hook 1322b of the third sub-peripheral portion 201c and protrudes out of the knob 12, so as to prevent the user from slipping when the knob 12 is operated (as shown in fig. 7); when the user presses the knob 12 to rotate in a clockwise direction by alpha ₁ After e.g. 25 deg., the second knob tongue 13b enters the third sub-peripheral portion 201c, where the second knob tongue 13b and the first knob areThe tongues 13a are all located in the third sub-peripheral edge 201c and all protrude outside the knob 12, at this time, the knob 12 is reset upwards under the action of the compression spring, and the lower branch feet 1322 of the first knob tongue 13a and the second knob tongue 13b can be limited by the hook parts 1322b of the third sub-peripheral edge 201c for indicating firepower (as shown in fig. 8); while the user presses the knob 12 to continue to rotate in the clockwise direction by alpha ₂ After the temperature is raised, for example, 25 °, the third knob tongue 13c is located at the first sub-peripheral edge 201a and protrudes out of the knob 12, and at this time, the knob 12 is reset upward by the compression spring, and the lower forked legs 1322 of the first knob tongue 13a, the second knob tongue 13b and the third knob tongue 13c can be limited by the third sub-peripheral edge 201c and the hook 1322b of the first sub-peripheral edge 201a for indicating the low fire power (as shown in fig. 9); while the user presses the knob 12 to continue to rotate in the clockwise direction by alpha ₃ After the angle is 25 degrees, for example, the fourth knob tongue 13d is located at the second sub-peripheral edge 201b and protrudes out of the knob 12, at this time, the knob 12 is reset upwards under the action of the compression spring, and the lower forked legs 1322 of the first knob tongue 13a, the second knob tongue 13b, the third knob tongue 13c and the fourth knob tongue 13d can be limited by the hook portions 1322b of the third sub-peripheral edge 201c, the first sub-peripheral edge 201a and the second sub-peripheral edge 201b for indicating the small fire power (as shown in fig. 10); finally, the counter clockwise alpha is used ₄ Angle of degree, alpha ₄ °>α ₁ °+α ₂ °+α ₃ By rotating the knob 12 by 85 °, the first knob tongue 13a, the second knob tongue 13b, the third knob tongue 13c and the fourth knob tongue 13d can return to the original state again.

Example 2

The structure is basically the same as that of embodiment 1, and the only difference is that: the four knob tongues 13 are provided at the periphery of the barrel portion at regular intervals, and no notch is provided at the periphery, so that each knob tongue 13 can protrude out of the outer surface of the knob 12 when the user presses and rotates the knob 12, so as to prevent the user's hand from slipping on the knob 12, and when the user's hand is released, each knob tongue 13 can return to the re-retraction knob 12 by the elastic member 14.

Claims

1. A knob for a gas range, comprising:

an operation body (1) having an operation shaft (11) capable of performing both pressing operation and rotating operation, and a knob (12) surrounding the operation shaft (11);

the knob seat (2) is arranged on a panel of the gas stove, the operating body (1) is arranged on the knob seat (2) and can drive the knob (12) to rotate when being pressed relative to the knob seat (2), so that the fire power of the gas stove is adjusted;

the method is characterized in that:

the operating body (1) further comprises:

a knob tongue (13) which is installed in the knob seat (2) and can be extended and retracted inside and outside relative to the knob (12), and the knob tongue (13) can protrude out of the knob (12) when the operation body (1) is pressed; and

an elastic member (14) mounted between the operating body (1) and the knob seat (2) and capable of giving the knob tongue (13) a tendency to retract into the knob (12); the knob seat (2) further comprises a limiting part (21), the limiting part (21) is used for limiting the knob tongue (13) under the state that the operating body (1) drives the knob tongue (13) to extend outwards, and the knob tongue (13) is used for indicating the fire power state of the gas stove; the knob tongue (13) is K-shaped, the knob tongue (13) comprises a knob body (131) and a branching part (132) connected to the inner side of the knob body (131), the branching part (132) comprises an upper branching foot (1321) and a lower branching foot (1322), the upper branching foot (1321) gradually inclines upwards from bottom to top from the knob body (131) and the lower branching foot (1322) gradually inclines downwards from top to bottom from the upper branching foot (1321), the upper branching foot (1321) is hinged to the lower surface of the top wall (121) of the knob (12) through a pin shaft (1323), and the lower branching foot (1322) can be ejected out of an opening (1221) of the knob (12) by the limiting part (21) in a state of abutting against the limiting part (21) of the knob seat (2); the knob seat (2) comprises a cylinder part (20) with a downward opening and a peripheral edge part (201) extending upwards from the peripheral wall of the cylinder part (20), the peripheral edge part (201) of the cylinder part (20) extends towards the direction of the operating shaft (11) to form a reverse buckle (2011), a lower forked foot (1322) of the knob tongue (13) is provided with a hook part (1322 b) capable of hooking the reverse buckle (2011) in a matching manner, and the knob tongue (13) is kept in a locking state under the condition that the hook part (1322 b) is hooked on the reverse buckle (2011).

2. The knob for gas range according to claim 1, wherein: the knob (12) comprises a top wall (121) and an annular peripheral wall (122) extending downwards from the outer periphery of the top wall (121), a knob cavity (123) is defined by the annular peripheral wall (122), and an opening (1221) for the knob tongue (13) to enter and exit is formed in the annular peripheral wall (122) of the knob cavity (123).

3. The knob for gas range according to claim 2, wherein: the lower surface of the top wall (121) of the knob (12) is provided with a hinge seat (1211) for the upper forked foot (1321) to hinge, and the hinge seat (1211) comprises a channel (1211 a) for the pin shaft (1323) to pass through from bottom to top.

4. The knob for gas range according to claim 3, wherein: the channel (1211 a) is an inverted L-channel.

5. The knob for a gas range according to any one of claims 1 to 4, wherein: the top of the cylinder part (20) of the knob seat (2) is provided with a central hole (202) for the operating shaft (11) of the operating body (1) to pass through, a local part of the operating shaft (11) close to the position above the central hole (202) is provided with a reducing opening (110), the elastic part (14) is a compression spring, the compression spring is sleeved in the reducing opening (110) of the operating shaft (11), one end of the compression spring is connected to the top end of the reducing opening (110) of the operating shaft (11), and the other end of the compression spring is connected to the periphery of the hole wall of the central hole (202).

6. The knob for gas range according to claim 5, wherein: the knob tongue (13) is provided with at least two notches, the corresponding peripheral edge portion (201) of the cylinder portion (20) is provided with at least two notches at intervals along the circumferential direction, and each notch divides the peripheral edge portion (201) of the cylinder portion (20) into independent sub-peripheral edge portions.

7. The knob for gas range according to claim 6, wherein: the breach has threely, is first breach (4 a), second breach (4 b), third breach (4 c) respectively, and wherein the arc length X1 that first breach (4 a) corresponds satisfies has: x1 is more than A, and the arc length X2 corresponding to the second gap (4 b) satisfies the following condition: x2 is more than A + X1, and the arc length X3 corresponding to the third gap (4 c) satisfies the following condition: x3 is more than A + X2, wherein X1 is more than 1.5 pi and less than 2.2 pi, X2 is more than 3 pi and less than 4.5 pi, X3 is more than 4.5 pi and less than 6.8 pi, and A is more than 1 and less than 3.