CN216928368U

CN216928368U - Double-operation rotary control device

Info

Publication number: CN216928368U
Application number: CN202220207358.1U
Authority: CN
Inventors: 李韶佳; 门治业; 屈蒋军; 李德民
Original assignee: Guangdong Galanz Enterprises Co Ltd; Guangdong Galanz Microwave Oven and Electrical Appliance Manufacturing Co Ltd
Current assignee: Guangdong Galanz Enterprises Co Ltd; Guangdong Galanz Microwave Oven and Electrical Appliance Manufacturing Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-07-08
Anticipated expiration: 2032-01-25

Abstract

A dual-operation rotary control device comprises a knob, a timer with an adjusting rod and a toggle clutch structure. Through the arrangement structure, the dual-operation rotary control device has multiple use scenes, the first use scene is a normal open function with a conventional timer and a timing function, the knob triggers the normal open function of the timer in a left-handed rotation mode, and the knob triggers the timing function of the timer in a right-handed rotation mode. The second usage scenario is that the knob is operated by both hands when the knob is rotated to the left, so that the knob can be rotated to the left to make the user consciously operate the timer. The third use scene does not produce the barrier effect when knob dextrorotation, does not need both hands operation, and is the same with conventional use. In conclusion, the rotary control device not only meets the safety of new standards, but also has the characteristics of simple structure, convenient installation, safety, reliability and low cost, and no high-precision part exists between the parts, so that the rotary control device is simple to assemble, and is suitable for mass production.

Description

Double-operation rotary control device

Technical Field

The utility model relates to a rotary control device, in particular to a double-operation rotary control device.

Background

With the continuous development of household electrical appliances, the product standard is continuously improved, and the oven with the normal function is easy to cause potential safety hazards due to the fact that the oven works for a long time due to misoperation of a user. The oven with the normally open function is characterized in that a knob is arranged on a control panel of the oven, timing is performed when the knob is rotated rightwards, the normally open function is performed when the knob is rotated leftwards, namely, the oven can work for a long time all the time, and the timer has no time limit (avoids the timing function). If the user does not pay attention to the working time of the oven, the oven works for a long time, so that potential safety hazards are generated. Thus, there is a need for further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-operation rotary control device, which can trigger a timer to use a normally-open function only by operating with two hands of a user so as to overcome the defects in the prior art.

The double-operation rotary control device comprises a knob and a timer, wherein the timer is provided with an adjusting rod, the knob is connected with the adjusting rod, the knob drives the adjusting rod to rotate under the action of external force, the double-operation rotary control device further comprises a toggle clutch structure, and the toggle clutch structure is arranged in the left-handed or right-handed direction of the knob. The toggle type clutch structure is arranged in the left-handed direction of the knob, namely the direction of the knob triggering the normally open function of the timer, the toggle type clutch structure prevents the left-handed rotation of the knob in the closed state, and the toggle type clutch structure allows the left-handed rotation of the knob in the released state.

The toggle clutch structure comprises a blocking piece and a blocking part arranged on the blocking piece, and further comprises a pull rod elastically and telescopically arranged in the knob, and the pull rod prevents the knob from rotating leftwards or rightwards when in contact with the blocking part. The knob is prevented from being smoothly rotated leftwards under the action of the blocking part, so that misoperation of a user is reduced, and the user needs to rotate the knob leftwards consciously.

The blocking piece is provided with a blocking part in the left-handed direction of the knob, and the blocking part is convexly arranged on the blocking piece.

The stop part is provided with a side position, the knob is provided with an accommodating cavity, the pull rod part is inserted into the accommodating cavity, the outer side of the pull rod is provided with an elastic piece, one end of the elastic piece elastically acts on the pull rod, and the other end of the elastic piece elastically acts in the inner wall of the knob; the pull rod is pulled before the knob is rotated leftwards, the pull rod slides in the accommodating cavity in a telescopic mode and extrudes the elastic piece, and the pull rod is separated from the side position of the blocking portion.

The terminal surface before still being equipped with on the barrier portion, accomplish left-handed operation at the knob and loosen the pull rod down, the pull rod is under the elastic action of elastic component, and the pull rod moves towards the barrier portion, and pull rod and preceding terminal surface contact play the user and accomplish the knob and want the normal function of stopping the timer after the knob is revolved on the left, and the user can ignore the barrier effect of barrier portion and directly rotate the knob right. When the user finishes the left-handed operation of the knob, the pull rod is loosened, the pull rod is in contact with the front end face of the blocking portion under the elastic action of the elastic piece, and at the moment, if the user wants to stop the normally-open function of the timer, the knob is directly rotated rightwards.

The pull rod is provided with a convex ring, one end of the elastic piece is contacted with the convex ring, and the knob is provided with a limiting part corresponding to the telescopic sliding direction of the pull rod. After the user finishes the left-handed operation of the knob, if the user wants to stop the normal-handed function of the timer, the user directly turns the knob rightwards, at the moment, the pull rod is separated from the front end face of the blocking part, the pull rod moves towards the blocking part under the action of the elastic part, the pull rod resets at the front end of the limiting part, and the limiting part limits the movement stroke of the pull rod.

The double-operation rotary control device also comprises a panel, a perforation is arranged on the panel, the timer is fixed on one end face of the panel, and the adjusting rod penetrates through the perforation.

The blocking piece is fixed on the other end face of the panel.

The other end face of the panel is provided with a groove, and the rear end face of the knob is in contact with the groove face of the groove.

The knob is internally provided with a clamping groove, and the adjusting rod is relatively inserted into the clamping groove.

The utility model has the following beneficial effects:

through the arrangement structure, the double-operation rotary control device has multiple use scenes, the first use scene has the normally-on and timing functions of a conventional timer, the normally-on function of the timer is triggered by the left rotation of the knob, and the timing function of the timer is triggered by the right rotation of the knob.

The second usage scenario is that the knob needs to be operated by both hands when the knob is rotated leftwards, so that the knob can be rotated leftwards to make the user consciously operate the timer.

The third use scene does not produce the barrier effect when knob dextrorotation, does not need both hands operation, and is the same with conventional use.

In conclusion, the rotary control device not only meets the safety of new standards, but also has the characteristics of simple structure, convenient installation, safety, reliability and low cost, and no high-precision part exists between the parts, so that the rotary control device is simple to assemble, and is suitable for mass production.

Drawings

Fig. 1 is an exploded view of a dual-operation rotary control device according to an embodiment of the present invention.

Fig. 2 is a perspective view illustrating a conventional dual-operation rotary control device according to an embodiment of the present invention.

FIG. 3 is a schematic plan view of a dual-operation rotary control device according to an embodiment of the present invention.

Fig. 4 is a schematic view of the cross-sectional structure a-a in fig. 3.

Fig. 5 is a schematic perspective view of a toggle clutch structure of a dual-operation rotary control device according to an embodiment of the present invention.

Fig. 6 is a schematic plan view of a toggle clutch structure of the dual-operation rotary control device according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a section B-B in fig. 6.

Fig. 8 is a schematic perspective view of the double-operation rotary control device according to an embodiment of the present invention, showing the knob rotated to the left.

Fig. 9 is a schematic view of a left-handed planar structure of the knob under the structure of the double-operation rotary control device according to the embodiment of the present invention.

Fig. 10 is a schematic view of the cross-sectional structure C-C of fig. 9.

Fig. 11 is a schematic perspective view illustrating a right-handed operation of the dual-operation rotary control device according to an embodiment of the present invention.

FIG. 12 is a schematic diagram of a right-handed planar structure of the dual-operation rotary control device according to an embodiment of the present invention.

Fig. 13 is a schematic view of the cross-sectional structure D-D in fig. 12.

Fig. 14 is a partial structural schematic view of a dual-operation rotary control device provided with a toggle clutch structure according to an embodiment of the present invention.

FIG. 15 is another schematic structural diagram of a portion of a dual-operation rotary control device with a toggle clutch structure according to an embodiment of the present invention.

Detailed Description

The utility model is further described with reference to the following figures and examples.

Referring to fig. 1-15, a dual-operation rotary control device comprises a knob 1, a timer 2 provided with an adjusting rod 3, the knob 1 is connected with the adjusting rod 3, the knob 1 drives the adjusting rod 3 to rotate under the action of external force, and a toggle clutch structure, wherein the toggle clutch structure is arranged in the left-handed or right-handed direction of the knob 1.

The stirring type clutch structure comprises a blocking piece 4 and a blocking part 5 arranged on the blocking piece 4, and further comprises a pull rod 6 elastically and telescopically arranged in the knob 1, and the pull rod 6 prevents the knob 1 from rotating leftwards or rightwards when in contact with the blocking part 5.

The blocking piece 4 is provided with a blocking part 5 in the left-handed direction of the knob 1, and the blocking part 5 is convexly arranged on the blocking piece 4.

Referring to fig. 8-10 in combination with fig. 1, the blocking portion 5 is provided with a side position 9, the knob 1 is provided with an accommodating cavity 7, the pull rod 6 is partially inserted into the accommodating cavity 7, an elastic member 8 is arranged outside the pull rod 6, one end of the elastic member 8 elastically acts on the pull rod 6, and the other end of the elastic member 8 elastically acts in the inner wall of the knob 1; the pull rod 6 is pulled before the knob 1 is rotated to the left, the pull rod 6 slides in the accommodating cavity 7 in a telescopic mode and extrudes the elastic piece 8, and the pull rod 6 is separated from the side position 9 of the blocking part 5.

The blocking part 5 is further provided with a front end face 10, the pull rod 6 is loosened after the knob 1 completes left-handed rotation operation, the pull rod 6 moves towards the blocking part 5 under the elastic action of the elastic piece 8, and the pull rod 6 is in contact with the front end face 10.

Referring to fig. 7, 10 and 13, a convex ring 11 is arranged on the pull rod 6, one end of the elastic element 8 is in contact with the convex ring 11, and a limiting part 12 is arranged in the direction of the knob 1 corresponding to the telescopic sliding of the pull rod 6.

Referring to fig. 14 and 15 in conjunction with fig. 1, the dual operation rotary control device further includes a panel 13, a through hole 14 is formed on the panel 13, the timer 2 is fixed on one end surface of the panel 13, and the adjusting rod 3 penetrates through the through hole 14.

The blocking piece 4 is fixed on the other end face of the panel 13. The blocking piece 4 and the timer 2 are fixed on the panel 13 through screws respectively.

The other end face of the panel 13 is provided with a groove 15, and the rear end face of the knob 1 is in surface contact with the groove 15.

A clamping groove 16 is arranged in the knob 1, and the adjusting rod 3 is relatively inserted into the clamping groove 16.

The operation of the dual operation rotary control apparatus is decomposed as follows:

referring to fig. 4 to 7, when the user rotates the knob to the left to use the normal function of the timer 2 (the oven is started), if the pull rod 6 is not pulled out by the user, the blocking portion 5 of the blocking piece 4 contacts the pull rod 6 to perform a blocking function, and the knob 1 cannot be rotated to the left.

Referring to fig. 8-10, when the user turns the knob to the left to use the normal function of the timer 2 (the oven is started), the user pulls the pull rod out of the outer knob 1 by one hand to pull the pull rod 6, and turns the knob 1 to the left by the other hand, after the left-hand operation of the knob 1 is completed, the pull rod 6 can be loosened, and due to the reaction force of the elastic member 8 (compression spring), the top end of the pull rod 6 falls on the front end surface 10 of the blocking portion 5, and at this time, the blocking portion 5 of the blocking piece 4 does not play a blocking role.

When a user rotates left and wants to stop using the oven (stopping the normally open function of the timer 2), the knob 1 is directly rotated right, the top end of the pull rod 6 is at the side position 10 of the blocking part 5, namely the pull rod 6 slides to the zero of the timer 2, the pull rod 6 slides to the zero of the timer 2 due to the thrust of the spring, and the pull rod 6 simultaneously resets to the limiting part 12 on the knob 1 and then is static.

Referring to fig. 12-13, when the user rotates the knob 1 to the right to use the oven, the pull rod 6 and the blocking portion 5 of the blocking piece 4 do not function as a blocking, and the knob 1 can be operated by one hand.

The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the utility model are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and the utility model is intended to be protected by the following claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a two operation rotation type controlling means, includes knob (1), is equipped with timer (2) of adjusting pole (3), and knob (1) is connected with adjusting pole (3), and knob (1) drives under the exogenic action and adjusts pole (3) and rotate its characterized in that: the handle is characterized by further comprising a toggle type clutch structure, and the toggle type clutch structure is arranged in the left-handed or right-handed direction of the knob (1).

2. The dual operation rotary control apparatus of claim 1, wherein: the stirring type clutch structure comprises a blocking piece (4) and a blocking part (5) arranged on the blocking piece (4), and further comprises a pull rod (6) elastically and telescopically arranged in the knob (1), and the pull rod (6) and the blocking part (5) are in contact to prevent the knob (1) from rotating leftwards or rightwards.

3. The dual operation rotary control apparatus of claim 2, wherein: the blocking piece (4) is provided with a blocking part (5) in the left-handed direction of the knob (1), and the blocking part (5) is convexly arranged on the blocking piece (4).

4. A dual operation rotary control apparatus according to claim 3, wherein: the blocking part (5) is provided with a side position (9), the knob (1) is provided with an accommodating cavity (7), the pull rod (6) is partially inserted into the accommodating cavity (7), the outer side of the pull rod (6) is provided with an elastic piece (8), one end of the elastic piece (8) elastically acts on the pull rod (6), and the other end of the elastic piece (8) elastically acts in the inner wall of the knob (1); the pull rod (6) is stirred before the knob (1) rotates leftwards, the pull rod (6) telescopically slides in the accommodating cavity (7) and extrudes the elastic piece (8), and the pull rod (6) is separated from a side position (9) of the blocking part (5).

5. The dual operation rotary control apparatus of claim 4, wherein: the blocking portion (5) is further provided with a front end face (10), the pull rod (6) is loosened after the knob (1) completes left-handed rotation operation, the pull rod (6) moves towards the blocking portion (5) under the elastic action of the elastic piece (8), and the pull rod (6) is in contact with the front end face (10).

6. The dual operation rotary control apparatus of claim 5, wherein: a convex ring (11) is arranged on the pull rod (6), one end of the elastic piece (8) is in contact with the convex ring (11), and a limiting part (12) is arranged in the direction of the knob (1) corresponding to the telescopic sliding of the pull rod (6).

7. A dual operation rotary control device according to any one of claims 2 to 6, wherein: the timing device is characterized by further comprising a panel (13), a through hole (14) is formed in the panel (13), the timer (2) is fixed on one end face of the panel (13), and the adjusting rod (3) penetrates through the through hole (14).

8. The dual operation rotary control apparatus of claim 7, wherein: the blocking sheet (4) is fixed on the other end face of the panel (13).

9. The dual-operation rotary control apparatus of claim 7, wherein: a groove (15) is arranged on the other end face of the panel (13), and the rear end face of the knob (1) is in contact with the groove face of the groove (15).

10. The dual operation rotary control apparatus of claim 9, wherein: a clamping groove (16) is arranged in the knob (1), and the adjusting rod (3) is relatively inserted into the clamping groove (16).