CN217690917U - Oven control knob subassembly - Google Patents

Abstract

The utility model discloses an oven control knob subassembly, including oven panel and knob, oven panel's front side is located to the knob, and the rear side of knob is equipped with the knob circuit board, is equipped with the encoder that is used for the electric controller of connecting the oven on the knob circuit board, and the knob lid is established outside the encoder, and the knob passes through the rotatory setting of external force drive encoder. The knob is arranged in a front-back sliding mode relative to the oven panel, a press switch electrically connected with a controller of the oven is arranged behind the knob, and the knob can move backwards through external force to trigger the press switch. The utility model discloses an appearance structure that oven control knob subassembly is favorable to the oven is succinct, is favorable to operating directly perceived and simple and convenient, is favorable to improving user experience effect.

Description

Oven control knob subassembly

Technical Field

The utility model relates to an oven technical field, concretely relates to oven control knob subassembly.

Background

At present, the oven is the kitchen appliance who uses commonly, the oven is used for toasting food, the oven is equipped with the panel, be equipped with control button and control knob on the panel, because the oven need set up the parameter of various differences before using, prior art sets up two or more than two knobs, collocation switch button and confirm a plurality of function button such as button in order to satisfy the needs of control oven, nevertheless lead to the structure complicacy, and lead to the operation action too complicated, user experience effect is not good, knob and button lead to the discernment difficulty too much, especially not friendly to old user, so prior art is necessary to improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an oven control knob subassembly, it is simple and convenient to use, is favorable to improving user experience effect.

The purpose of the utility model is realized by the following technical scheme.

The utility model discloses an oven control knob subassembly, including oven panel and knob, the knob is located oven panel's front side, the rear side of knob is equipped with the knob circuit board, be equipped with the encoder that is used for the controller of electricity connection oven on the knob circuit board, the knob lid is established outside the encoder, the knob passes through external force and drives the rotatory setting of encoder.

Preferably, the knob is arranged to slide back and forth relative to the oven panel, a push switch electrically connected to a controller of the oven is disposed behind the knob, and the knob can be moved backward by an external force to trigger the push switch.

Preferably, the rear side of oven panel is equipped with the panel fixed bolster, the panel fixed bolster is formed with the mounting hole, the edge part of mounting hole is formed with the hem that extends the setting backward, the rear end of hem is formed with the draw-in groove, oven panel is formed with the through-hole, the mounting hole with the through-hole is just setting up to the intercommunication, be equipped with fixed basin frame in the mounting hole, the front end of fixed basin frame is formed with the flange, the outside of fixed basin frame is formed with first buckle, the flange paste lean on in oven panel's front side, first buckle with correspond the draw-in groove lock joint, the knob circuit board is located in the fixed basin frame.

Preferably, be equipped with knob circuit board support in the fixed basin frame, knob circuit board support locates the rear side of knob circuit board, the front side of knob circuit board support is formed with second buckle and pillar, the front end of pillar is formed with location convex column portion, be formed with second locating hole and second knot hole on the knob circuit board, the rear portion of knob circuit board paste lean on in the preceding terminal surface of pillar, the location convex column portion corresponds the adaptation cartridge and is in the second locating hole, the second buckle with correspond the second detains the hole lock joint.

Preferably, the rear side of knob circuit board support is formed with two at least guide posts, the bottom of fixed basin frame is formed with first locating hole, the guide post with correspond first locating hole adaptation sliding connection.

Preferably, the press switch is arranged on the rear side of the knob circuit board, a press rod is formed in the bottom of the fixed basin frame, the front end of the press rod is attached to the press switch, the knob is driven by external force to move the knob circuit board backwards, and a spring used for driving the knob to reset forwards is arranged between the knob circuit board support and the bottom of the fixed basin frame.

Preferably, the rear side of knob circuit board support is equipped with and is used for right knob circuit board support is relative fixed basin frame moves forward spacing limit hook, limit hook is located the rear side of the bottom of fixed basin frame, limit hook can with the bottom contact lock joint of fixed basin frame.

Preferably, the spring is provided as a conical compression spring.

Preferably, a limiting column used for limiting the backward movement of the knob circuit board support relative to the fixed basin frame is formed in the bottom of the fixed basin frame, and the front end of the limiting column can be in contact connection with the rear portion of the knob circuit board support.

Preferably, the back inside of knob is formed with location protruding section of thick bamboo portion and axial positioning clip, the encoder is formed with positioning groove, location protruding section of thick bamboo portion adaptation cover is established outside the encoder, the front end of encoder paste lean on in the inner wall of knob, axial positioning clip with correspond positioning groove lock joint, be formed with interior sand grip on the inner wall of location protruding section of thick bamboo portion, be formed with the circumference constant head tank on the outer wall of encoder, interior sand grip is fit for locating correspondingly in the circumference constant head tank.

Compared with the prior art, the utility model, its beneficial effect is: the front side of oven panel is located through setting up the knob, the rear side of knob is equipped with the knob circuit board, be equipped with the encoder that is used for the controller of electricity connection oven on the knob circuit board, the knob lid is established outside the encoder, the knob passes through the rotatory setting of external force drive encoder, the relative oven panel of knob slides the setting from beginning to end, the rear of knob is equipped with the press switch who is connected with the controller electricity of oven, the knob can trigger press switch through external force rearward movement, be favorable to easy operation convenience, be favorable to improving user experience effect.

Drawings

Fig. 1 is a schematic front perspective view of the oven control knob assembly of the present invention.

Fig. 2 is a schematic sectional view of the oven control knob assembly of the present invention.

Fig. 3 is an exploded view of the oven control knob assembly of the present invention.

Fig. 4 is a schematic view of a rear-view local three-dimensional structure of the panel fixing bracket of the present invention.

Fig. 5 is a schematic front side three-dimensional structure view of the basin fixing frame of the present invention.

Fig. 6 is a schematic back perspective view of the oven control knob assembly of the present invention.

Fig. 7 is a front side three-dimensional structural diagram of the knob circuit board bracket of the present invention.

Fig. 8 is a schematic view of a back side three-dimensional structure of the knob circuit board bracket of the present invention.

Fig. 9 is a front side three-dimensional structural diagram of the knob circuit board of the present invention.

Fig. 10 is a schematic view of a back side three-dimensional structure of the knob circuit board of the present invention.

Fig. 11 is a schematic front side three-dimensional structure diagram of the knob circuit board and the knob circuit board bracket assembly of the present invention.

Fig. 12 is a schematic view of a back-side three-dimensional structure of the knob according to the present invention.

Figure 13 is a front side perspective view of the oven control knob assembly of the present invention with the knob removed.

Fig. 14 is an exploded view corresponding to fig. 13.

Description of reference numerals: oven panel 1, through-hole 101, panel fixed bolster 2, hem 201, recess 2011, mounting hole 202, fixed basin frame 3, flange 31, first buckle 301, spacing post 302, press the depression bar 303, first knot hole 304, first locating hole 305, spring 4, knob circuit board support 5, spacing hook 501, guide post 502, second buckle 503, pillar 504, location convex column portion 5041, knob circuit board 6, second locating hole 601, second knot hole 602, encoder 603, positioning groove 6031, circumference constant head tank 6032, push switch 604, knob 7, location convex column portion 71, breach 7101, interior protruding strip 7102, axial positioning clasp 701.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The utility model discloses an oven control knob subassembly, as shown in fig. 1 to 3, including oven panel 1 and knob 7, knob 7 locates the front side of oven panel 1, and the rear side of knob 7 is equipped with knob circuit board 6, is equipped with the encoder 603 that is used for the controller of electricity connection oven on the knob circuit board 6, and the knob 7 lid is established outside encoder 603, specifically speaking, encoder 603 can be increment type encoder, and encoder 603 electricity is connected knob circuit board 6, and knob circuit board 6 electricity is connected the controller of oven, and the controller electricity is connected with the display screen, and the display screen can set up on oven panel 1; the rotary knob 7 drives the encoder 603 to rotate by external force, specifically, the rotary knob 7 and the encoder 603 are coaxially arranged, the rotary knob 7 and the rotatable part of the encoder 603 are relatively fixed in the circumferential direction around the rotation axis of the rotary knob 7, so that the rotatable part of the encoder 603 can be driven to rotate synchronously by rotating the rotary knob 7 by hand.

When a user rotates the knob 7 by hand, the knob 7 drives the encoder 603 to rotate, so that the encoder 603 outputs a signal to the controller correspondingly, because the signal transmitted to the controller by the encoder 603 is a pulse signal, compared with a potentiometer or a mechanical knob in the prior art, the combination of the encoder 603 and the controller can realize richer and more flexible control operation, for example, the adjustment of parameters (such as baking temperature and baking time) of the oven can be realized, in addition, the switching among various parameters can also be realized by rotating the knob 7, specifically for example, the names or icons of a plurality of parameters are displayed on the interface of the display screen, when the knob 7 is rotated, the parameter names or icons can be correspondingly and prominently displayed, and because the adjustment of the plurality of parameters of the oven can be completed only by setting one knob 7, the appearance structure of the oven is simple, the operation is visual, the simplicity and the convenience are realized, the improvement of the user experience effect is facilitated, and the use of the old user is also facilitated.

Further, as shown in fig. 1 to 3, the knob 7 is disposed to slide back and forth relative to the oven panel 1, a push switch 604 electrically connected to a controller of the oven is disposed behind the knob 7, the push switch 604 may be a patch type light touch switch, and the knob 7 can be moved backward by an external force to trigger the push switch 604. For example, the knob 7 may be fixed relative to the body of the push switch 604 in the front-back direction, so that when the knob 7 is pushed backward by hand, the knob 7 can drive the body of the push switch 604 to move backward, and when the button of the push switch 604 touches the fixed object, the push switch 604 is triggered; in the front-back direction, the body of the push switch 604 may also be fixedly arranged, the knob 7 can move back and forth, and the knob 7 can directly or indirectly touch the keys of the push switch 604, so that the push switch 604 is triggered; the axial movement of the knob 7 to trigger the push switch 604 can be realized by various specific structures, which are not listed here.

The operation of the knob 7 to the oven control of the utility model is as follows: the knob 7 is pressed for a short time, the knob 7 triggers the press switch 604, the oven is started, the display screen displays contents, the knob 7 can be rotated to correspondingly switch the options highlighted in the display screen, the knob 7 is pressed for a short time to implement the 'confirmation' operation, the options are entered, for example, after the 'temperature setting option' is entered, the knob 7 is rotated again to adjust the temperature value, the knob 7 is pressed for a short time after the adjustment is finished to exit the options, the knob 7 is rotated to enable the 'start' on the display screen to be highlighted, then the knob 7 is pressed for a short time to confirm that the food is baked, in the process of baking the food, if the knob 7 is pressed for a short time, the oven is paused, and the knob 7 is pressed for a short time to resume baking; pressing the knob 7 during the baking process, or for an optional length of time while operating the display, will cause the oven to shut down. Through the above, the structure that the knob 7 can move backwards through external force to trigger the press switch 604 is provided, so that an additional 'confirm' button needs to be arranged on the oven panel 1, the operation is simpler and more convenient, and the appearance of the oven is more concise.

Further, as shown in fig. 1 to 3, a panel fixing bracket 2 is disposed at a rear side of the oven panel 1, the panel fixing bracket 2 is a sheet metal part, the oven panel 1 may be made of glass, the oven panel 1 is attached to and fixed on a front surface of the panel fixing bracket 2, the panel fixing bracket 2 is fixed on a case of the oven, the panel fixing bracket 2 is formed with a mounting hole 202, as shown in fig. 4, a flange 201 extending rearward is formed at an edge portion of the mounting hole 202, the flanges 201 are uniformly distributed in a circumferential direction, a slot 2011 is formed at a rear end of the flange 201, as shown in fig. 3, the oven panel 1 is formed with a through hole 101, as shown in fig. 2 and 3, the mounting hole 202 is in opposite communication with the through hole 101, the fixed basin frame 3 is arranged in the mounting hole 202, as shown in fig. 5, a flange 31 is formed at the front end of the fixed basin frame 3, a first buckle 301 is formed on the outer side of the fixed basin frame 3, the first buckle 301 is in an outward hook shape, as shown in fig. 2 and 13, the flange 31 is attached to the front side of the oven panel 1, as shown in fig. 6, the first buckle 301 is buckled with a corresponding clamping groove 2011, so that the clamping groove 2011 blocks the fixed basin frame 3 from moving forwards, the oven panel 1 blocks the fixed basin frame 3 from moving backwards, and as the first buckle 301 is arranged in the clamping groove 2011, the clamping groove 2011 blocks the fixed basin frame 3 from rotating; as shown in fig. 2, the knob circuit board 6 is provided in the fixed frame 3. Through setting up fixed basin frame 3 and providing the accommodation space for knob circuit board 6, fixed basin frame 3 plays the guard action to knob circuit board 6, above-mentioned mounting structure of fixed basin frame 3 is simple, the assembly of being convenient for.

Further, as shown in fig. 2, a knob circuit board bracket 5 is arranged in the fixed basin frame 3, the knob circuit board bracket 5 is arranged at the rear side of the knob circuit board 6, as shown in fig. 7, a second buckle 503 and a support pillar 504 are formed at the front side of the knob circuit board bracket 5, the second buckle 503 is in an outward hook shape, the second buckle 503 is uniformly distributed in the circumferential direction, and a positioning convex column part 5041 is formed at the front end of the support pillar 504; as shown in fig. 9 and 10, a second positioning hole 601 and a second fastening hole 602 are formed on the knob circuit board 6, the second fastening hole 602 is a rectangular hole, the second positioning hole 601 is a circular hole, as shown in fig. 2 and 11, the rear portion of the knob circuit board 6 is attached to the front end surface of the pillar 504, specifically, a step is formed at a connection portion between the front end of the pillar 504 and the rear end of the positioning convex column 5041, the rear portion of the knob circuit board 6 is attached to the step, the positioning convex column 5041 is correspondingly inserted into the second positioning hole 601, the second fastener 503 is fastened to the corresponding second fastening hole 602, specifically, the second fastener 503 hooks an edge portion of the second fastening hole 602, so that the step blocks the knob circuit board 6 from moving backwards relative to the knob circuit board holder 5, the second fastener 503 blocks the knob circuit board 6 from moving forwards relative to the knob circuit board holder 5, and in the circumferential direction, the knob circuit board 6 and the knob circuit board holder 5 are relatively positioned through the positioning convex column 5041, and a space is formed behind the knob circuit board 6 by the supporting function of the pillar 504, thereby facilitating heat dissipation of the knob and the circuit board; the knob circuit board 6 and the knob circuit board support 5 are simple in assembly structure, the knob circuit board 6 and the knob circuit board support 5 are reliably and relatively fixed, and assembly is facilitated.

Further, as shown in fig. 8, at least two guide posts 502 are formed on the rear side of the knob circuit board support 5, the number of the guide posts 502 is specifically three, the three guide posts 502 are circumferentially and uniformly distributed, as shown in fig. 5, the bottom of the fixed basin frame 3 is formed with a first positioning hole 305, the first positioning hole 305 is a circular hole, as shown in fig. 6, the guide posts 502 are in sliding connection with the corresponding first positioning holes 305 in an adaptive manner, that is, the guide posts 502 penetrate through the corresponding first positioning holes 305, so that the knob circuit board support 5 can move in parallel front and back in a simple structure.

Further, as shown in fig. 2 and 10, a press switch 604 is disposed at the rear side of the knob circuit board 6, as shown in fig. 5, a press rod 303 is formed in the bottom of the fixed basin stand 3, the press rod 303 is located at the center of the fixed basin stand 3, as shown in fig. 2, the front end of the press rod 303 is attached to the press switch 604, the knob circuit board 6 is driven by the knob 7 through external force to move backwards, and a spring 4 for driving the knob 7 to return forwards is disposed between the knob circuit board support 5 and the bottom of the fixed basin stand 3. Then, when the knob 7 is pressed backward by hand, the knob circuit board 6 is moved backward by the knob 7, and the push switch 604 is moved backward, and correspondingly, the push rod 303 presses the push button of the push switch 604 to activate the push switch 604. As described above, the knob circuit board support 5 and the knob circuit board 6 are positioned in the front-rear direction, so that when the knob circuit board 6 moves backward, the knob circuit board support 5 also moves backward, the first positioning hole 305 guides the forward and backward movement of the push switch 604, so that the push switch 604 operates stably, when the knob circuit board support 5 moves backward, the knob circuit board support 5 further pushes the spring 4, so that the spring 4 further elastically compresses and deforms, when the external force pressing the knob 7 is removed, the elastic restoring force of the spring 4 pushes the knob circuit board support 5 forward, so that the knob circuit board 6 and the push switch 604 move forward, the push switch 604 leaves the push rod 303, the push switch 604 resets and disconnects, and by providing the spring 4, the knob 7 can stably and effectively move forward and reset, thereby avoiding the situation that the push switch 604 cannot reset. The structure that push switch 604 was established at the rear side of knob circuit board 6 sets up rationally, has fully rationally utilized the inner space of fixed basin frame 3.

Further, as shown in fig. 8, a limiting hook 501 for limiting the forward movement of the knob circuit board support 5 relative to the fixed frame 3 is disposed at the rear side of the knob circuit board support 5, as shown in fig. 2 and 6, the limiting hook 501 is disposed at the rear side of the bottom of the fixed frame 3, the limiting hook 501 can be in contact fastening with the bottom of the fixed frame 3, specifically, a lath-shaped structure for supporting the limiting hook 501 is formed at the rear side of the knob circuit board support 5, as shown in fig. 5, a first fastening hole 304 is formed at the bottom of the fixed frame 3, the first fastening hole 304 is a rectangular through hole, and the lath-shaped structure passes through the corresponding first fastening hole 304, so that the limiting hook 501 can be disposed at the rear side of the bottom of the fixed frame 3. When a user presses the knob 7 by hand, the lath-shaped structure slides backwards in the first buckling hole 304, so that the limiting hook 501 leaves the bottom of the fixed basin frame 3 backwards, when the user releases the knob 7, the spring 4 drives the knob circuit board support 5 to move forwards and reset, when the limiting hook 501 is in contact buckling connection with the bottom of the fixed basin frame 3, the knob circuit board support 5 cannot move forwards any more, and the use reliability of the knob 7 is improved by the structure that the limiting hook 501 is combined with the spring 4; more specifically, in the state shown in fig. 2 (the knob 7 is not pressed), the spring 4 may already be in an elastic compression state, so that the limit hook 501 hooks the edge portion of the first fastening hole 304, and the knob 7 is in an axial stable state through the thrust of the spring 4 and the blocking effect of the edge portion of the first fastening hole 304, thereby avoiding the user from feeling that the knob 7 is loosened when the user lightly touches the knob 7 with a hand, avoiding an erroneous operation, and being beneficial to improving the experience of the user.

Further, as shown in fig. 14, the spring 4 is a conical compression spring (also called a tower spring), specifically, a relatively large end of the spring 4 is arranged in front, and the elastic expansion process of the spring 4 can be more stable and is not easy to shake by setting the spring 4 as a conical compression spring; because the adjacent spring wires of the spring 4 are staggered when the spring 4 is elastically compressed, the spring wires of the spring 4 cannot be stacked, so that the elastic compression amount of the spring 4 can be maximized to obtain a larger elastic restoring force for resetting the knob 7, and the spring 4 occupies a smaller space when in the state shown in fig. 2 (the knob 7 is not pressed).

Further, as shown in fig. 5, a limiting post 302 for limiting the backward movement of the knob circuit board support 5 relative to the fixed basin 3 is formed in the bottom of the fixed basin 3, and the front end of the limiting post 302 can be in contact connection with the rear portion of the knob circuit board support 5, as shown in fig. 2, when the knob 7 is pressed by hand, the knob circuit board support 5 moves backward, when the rear portion of the knob circuit board support 5 contacts the front end of the limiting post 302, the knob circuit board 6 and the press switch 604 can be blocked by the limiting post 302 for limitation, the limiting post 302 limits the stroke of the knob circuit board support 5, and the press switch 604 is prevented from being damaged when the force applied to the press knob 7 is too large.

Further, as shown in fig. 12, a positioning protruding cylinder portion 71 and an axial positioning hook 701 are formed inside the rear portion of the knob 7, specifically, a notch 7101 is formed on a wall body of the positioning protruding cylinder portion 71, the axial positioning hook 701 is formed in the corresponding notch 7101, as shown in fig. 11, a positioning groove 6031 is formed on the encoder 603, as shown in fig. 2, the positioning protruding cylinder portion 71 is fittingly sleeved outside the encoder 603, a front end of the encoder 603 abuts against an inner wall of the knob 7, the axial positioning hook 701 is snap-fitted with the corresponding positioning groove 6031, as shown in fig. 12, an inner protruding strip 7102 is formed on the inner wall of the positioning protruding cylinder portion 71, as shown in fig. 11, a circumferential positioning groove 6032 is formed on an outer wall of the encoder 603, and the inner protruding strip 7102 is fittingly arranged in the corresponding circumferential positioning groove 6032. Therefore, the rotatable part of the encoder 603 and the knob 7 are positioned in the axial direction and the circumferential direction, when the knob 7 is pressed down, the inner wall of the knob 7 directly pushes the encoder 603 backwards, the encoder 603 drives the knob circuit board 6 and the knob circuit board support 5 to move backwards, when the knob 7 is rotated, the knob 7 can drive the rotatable part of the encoder 603 to rotate through the inner convex strips 7102, the mounting and connecting structure of the encoder 603 and the knob 7 is reliable, the loosening phenomenon of the knob 7 is avoided, and the working stability of the knob 7 is facilitated.

To sum up, the utility model discloses an oven control knob subassembly's structural design is ingenious, and the assembling process all realizes through the buckle mode, and existing assembly that does benefit to is simple and convenient swift, has guaranteed the action of pressing down of knob 7 again and has stabilized reliably, and the knob subassembly has realized carrying out parameter adjustment and can carry out parameter confirmation, the multiple use of switching on and shutting down action again, is favorable to the user to operate and uses the oven convenience.

Claims (10)

1. An oven control knob assembly characterized by: including oven panel (1) and knob (7), knob (7) are located the front side of oven panel (1), the rear side of knob (7) is equipped with knob circuit board (6), be equipped with encoder (603) that are used for the electric connection controller of oven on knob circuit board (6), knob (7) lid is established outside encoder (603), knob (7) drive through external force encoder (603) are rotatory to be set up.

2. The oven control knob assembly of claim 1, wherein: the rotary knob (7) is arranged in a front-back sliding mode relative to the oven panel (1), a press switch (604) electrically connected with a controller of an oven is arranged behind the rotary knob (7), and the rotary knob (7) can move backwards through external force to trigger the press switch (604).

3. The oven control knob assembly of claim 2, wherein: the rear side of oven panel (1) is equipped with panel fixed bolster (2), panel fixed bolster (2) are formed with mounting hole (202), the edge portion of mounting hole (202) is formed with hem (201) that backward extends the setting, the rear end of hem (201) is formed with draw-in groove (2011), oven panel (1) is formed with through-hole (101), mounting hole (202) with through-hole (101) are just setting up to the intercommunication, be equipped with fixed basin frame (3) in mounting hole (202), the front end of fixed basin frame (3) is formed with flange (31), the outside of fixed basin frame (3) is formed with first buckle (301), flange (31) paste in the front side of oven panel (1), first buckle (301) and corresponding draw-in groove (2011) lock joint, knob circuit board (6) are located in the fixed basin frame (3).

4. The oven control knob assembly of claim 3, wherein: be equipped with knob circuit board support (5) in fixed basin frame (3), knob circuit board support (5) are located the rear side of knob circuit board (6), the front side of knob circuit board support (5) is formed with second buckle (503) and pillar (504), the front end of pillar (504) is formed with location convex column portion (5041), be formed with second locating hole (601) and second knot hole (602) on knob circuit board (6), the rear portion of knob circuit board (6) paste in the preceding terminal surface of pillar (504), location convex column portion (5041) correspond the adaptation cartridge and are in second locating hole (601), second buckle (503) and corresponding second knot hole (602) lock joint.

5. The oven control knob assembly of claim 4, wherein: the rear side of knob circuit board support (5) is formed with two at least guide posts (502), the bottom of fixed basin frame (3) is formed with first locating hole (305), guide post (502) and corresponding first locating hole (305) adaptation sliding connection.

6. The oven control knob assembly of claim 5, wherein: press switch (604) set up the rear side of knob circuit board (6), be formed with in the bottom of fixed basin frame (3) and press depression bar (303), the front end that presses depression bar (303) pastes presses press switch (604), knob (7) drive through external force knob circuit board (6) move backward and set up, knob circuit board support (5) with be equipped with between the bottom of fixed basin frame (3) and be used for driving spring (4) that knob (7) reset forward.

7. The oven control knob assembly of claim 6, wherein: the rear side of knob circuit board support (5) is equipped with and is used for right knob circuit board support (5) is relative fixed basin frame (3) move forward spacing limit hook (501), limit hook (501) are located the rear side of the bottom of fixed basin frame (3), limit hook (501) can with the bottom contact lock joint of fixed basin frame (3).

8. The oven control knob assembly of claim 7, wherein: the spring (4) is a conical compression spring.

9. The oven control knob assembly of claim 7, wherein: the bottom of the fixed basin frame (3) is internally provided with a limiting column (302) which is used for limiting the backward movement of the knob circuit board support (5), and the front end of the limiting column (302) can be in contact connection with the rear part of the knob circuit board support (5).

10. The oven control knob assembly of claim 6, wherein: the back inside of knob (7) is formed with location protruding section of thick bamboo portion (71) and axial positioning clasp (701), encoder (603) are formed with positioning groove (6031), location protruding section of thick bamboo portion (71) adaptation cover is established outside encoder (603), the front end of encoder (603) paste in the inner wall of knob (7), axial positioning clasp (701) and corresponding positioning groove (6031) lock joint, be formed with interior sand grip (7102) on the inner wall of location protruding section of thick bamboo portion (71), be formed with circumference constant head tank (6032) on the outer wall of encoder (603), correspondence is located to interior sand grip (7102) adaptation in circumference constant head tank (6032).

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