CN211818908U

CN211818908U - Two-way linkage structure, electric cooking ware that opens

Info

Publication number: CN211818908U
Application number: CN201922483846.6U
Authority: CN
Inventors: 程晓
Original assignee: Foshan Shunde Kufu Electrical Appliance Co ltd
Current assignee: Foshan Shunde Kufu Electrical Appliance Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-30
Anticipated expiration: 2029-12-30
Also published as: KR20210001586U; AU2020104388A4; KR200495778Y1

Abstract

The utility model provides a bidirectional split door-opening linkage structure and an electric cooking device adopting the same, wherein the door-opening linkage structure comprises a door frame, a base fixed relative to the door frame, a first door body rotationally supported on the door frame, a second door body rotationally supported on the door frame and a linkage mechanism capable of synchronously opening and closing the first door body and the second door body; wherein, link gear includes gyration dish, first connecting rod and second connecting rod, and the gyration dish rotationally establishes on the base, and is articulated between the one end of first connecting rod and the first door body, and the other end of first connecting rod is connected on the gyration dish through a pin joint, and is articulated between the one end of second connecting rod and the second door body, and the other end of the second door body is connected on the gyration dish through another pin joint. The utility model has the advantages of open and shut more stably, no mechanism dead point before opening the completion, the opening and the process of closing of the first door body, the second door body are more smooth and easy.

Description

Two-way linkage structure, electric cooking ware that opens

Technical Field

The utility model relates to a domestic cooking equipment, concretely relates to linkage structure, electric cooking ware that opens door that two-wayly run from opposite directions.

Background

Oven among the prior art adopts the structure of singly opening the door more, generally adopts under to open or the side is opened and is carried out opening or closing of a body, and the structure of singly opening the door generally need take off the body, and the opening and closing range of the body is big, occupies great oven space.

In view of the above problems, the oven with the double door structure is currently provided on the market, however, the conventional double door structure needs to open the left and right door bodies respectively, and the two door bodies cannot be synchronized with each other, and when a user needs to perform a one-handed operation (for example, when there is food in the other hand), the double door structure becomes very inconvenient. Therefore, a double-door linkage structure is needed to solve the problem of synchronous opening or closing of double doors.

Chinese patent 201821906961.9 discloses a double door oven and a linkage structure that opens door of the double door oven, it includes: the left box door is arranged on the oven shell and is hinged with one end of the left pull arm; the right box door is arranged on the oven shell and is hinged with one end of the right pull arm; the guide seat is arranged on the oven liner; one end of the left pull arm, which is far away from the left box door, is hinged with one end of the right pull arm, which is far away from the right box door, so as to form a hinge joint; the hinge joint is located in the guide seat and moves back and forth along the length direction of the guide seat, so that the left box door and the right box door can be opened and closed synchronously.

The application provides an electric cooking ware that two-way open linkage structure and adopted it that opens door of improved generation.

SUMMERY OF THE UTILITY MODEL

To prior art's defect, the utility model provides a two-way linkage structure that opens and adopt its electric cooking ware that opens and shuts has and opens and shuts more stably, the advantage of no mechanism dead point before opening the completion, the opening and the process of closing of the first door body, the second door body are more smooth and easy.

The first purpose of the utility model is to provide a two-way linkage structure that opens and shuts that opens and close, the linkage structure that opens and shuts including portal, the base relatively fixed with the portal, rotatory first door body that supports on the portal, the second door body that supports on the portal in a rotatory manner, and can make between the first door body and the second door body the linkage mechanism that opens and shuts synchronously; wherein, link gear includes gyration dish, first connecting rod and second connecting rod, and the gyration dish rotationally establishes on the base, and is articulated between the one end of first connecting rod and the first door body, and the other end of first connecting rod is connected on the gyration dish through a pin joint, and is articulated between the one end of second connecting rod and the second door body, and the other end of the second door body is connected on the gyration dish through another pin joint.

The above technical scheme of the utility model, linkage through link gear between the first door body in the linkage structure that opens the door and the second door body realizes opening and shutting in step, manipulates one of them door body wantonly promptly, and remaining another door body can carry out the synchronous process of opening and shutting.

Further, the utility model provides a link gear adopts the gyration dish to carry out drive control, realizes the linkage between first connecting rod, the second connecting rod, wherein, first connecting rod can be connected on being located the same circumference of gyration dish with the second connecting rod, also can connect on being located the different circumferences of gyration dish, and is corresponding, the gyration dish can be the circular disk, also can be the cam disc, and is preferred, first connecting rod is connected on being located the same circumference of gyration dish with the second connecting rod to improve the first door body, the homogeneity of the second door body in-process atress that opens and shuts.

The first connecting rod and the second connecting rod are hinged above the rotary disc, and the end parts of the first connecting rod and the second connecting rod are also supported above the rotary disc, namely, in the rotary process, the phenomenon that the connecting rod is not rocked with the rotary disc in the hinged mode is guaranteed, the phenomenon that the connecting rod is hinged between two sections of conventional connecting rods in the prior art, the phenomenon that the connecting rod is unstable in the hinged position in the use process and rocked is avoided, unnecessary trouble is brought to the use, and the stability of the opening and closing process of the door body is easily influenced.

Wherein, the utility model discloses in do not coincide between the pin joint between the hinge point between first connecting rod and the first door body and the portal, do not coincide between the hinge point between second connecting rod and the second door body and the pin joint between the second door body and the portal.

According to the utility model discloses a another kind of embodiment, the link gear still includes at least one spring, and the one end of spring is connected on the base, and the other end of spring is connected on first connecting rod or second connecting rod.

Further, the spring is an extension spring, and the spring is always in an extended state.

In the above solution, the spring is used to maintain the stability of the door opening process and provide the restoring force when the door body is closed, one end of the spring in the solution is connected to the base, and the other end of the spring is connected to the first link or the second link, and the spring adopts a long spring mode, on one hand, the spring can provide a sufficient restoring force, the acting force borne by the door body in the whole opening and closing process is relatively smooth, on the other hand, the acting force is relatively small when the door body is close to being completely closed, so as to avoid the instant restoring force brought by adopting a short compression spring in the prior art (for example, 201621221884.4), in the prior art, on the one hand, the user needs to actively apply a relatively large force in the initial stage of the door body closing to change the position relationship between the linkage ratio and the rolling wheel, so that the spring provides the restoring force, on the other hand, relatively large inertia can be formed, the impact between the door body and the door frame is formed, unnecessary sound is generated, and the user experience is influenced.

When the spring door body in this scheme is close to the complete closure, its effort is less, only is used as the frictional force of overcoming the return in-process, sets up the flexible pad of buffering simultaneously at the contact position between the door body and the portal to avoid producing the sound.

According to the utility model discloses a another kind of embodiment, the angle of opening the door of the first door body, the second door body all is not less than 90 to make the first door body, the second door body form after opening completely and hover, through the motion dead point of connecting rod, can not carry out self-closing's process under no external force.

According to another embodiment of the invention, the rotary disc is a circular disc or a cam disc.

According to the utility model discloses a another kind of embodiment is equipped with breach portion on the gyration dish, the base be provided with breach portion complex stopper, wherein, breach portion has a butt lateral wall, and when the first door body was closed with the second door body, the stopper was located breach portion, and when the first door body was opened with the second door body completely, the butt lateral wall contacted with the stopper.

According to the utility model discloses a another kind of embodiment is equipped with supplementary return spring on the gyration dish, assists and closes the first door body and the second door body, it needs to point out that the power that resets that supplementary return spring in this scheme provided is less, can not be in the state of hovering when opening the door to the first door body, the second door body and produce the influence.

The second purpose of the utility model is to provide an electric cooking device, which comprises a body, an inner container arranged in the body and the door opening linkage structure; the door frame is fixed on the body and positioned in front of the opening of the inner container, and the base is fixed on the body and positioned below the inner container.

According to the utility model discloses a another kind of embodiment is equipped with the magnetic attraction ware (for example magnet) that makes first door body, second door body be in the closure state on the body to guarantee under the no external force condition that first door body and second door body are in complete closed state.

According to the utility model discloses a another kind of embodiment, the base is located the downward sunken storage tank that forms of the lower direction of inner bag, and link gear installs in the storage tank to further save space.

The utility model discloses possess following beneficial effect:

the utility model discloses a linkage structure opens door passes through the chain cooperation between first connecting rod, second connecting rod and the gyration dish, through an arbitrary door body of external force pulling, realizes that the synchronization of another door body is opened and is closed, simple structure, and the stationarity can be good.

In addition, be provided with the long spring that resets and use, this long spring's one end is connected on the base, and the other end of spring is connected on first connecting rod or second connecting rod to it is in tensile state all the time, can provide the restoring force of capacity on the one hand, and the whole process of door body switching, the effort that bears is more level and smooth, and on the other hand can be when the door body is close to the complete closure, and its effort is less, avoids the door body closing speed great and produces the damage to the door body.

In addition, the rotation of the rotary disc is stable, the rotation process of the first door body and the second door body is more stable, and the practicability is high.

The utility model discloses an electric cooking ware adopts two structures of opening the door, has solved the difficult problem that two doors opened or closed in step, and the user of being convenient for uses, and maneuverability is strong.

In addition, the magnetic suction device is arranged on the body, so that the first door body and the second door body are convenient to stabilize at the closing position, the door body closing effect is good, and the user operation is convenient.

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

Drawings

Fig. 1 is a schematic view of the whole structure of the electric cooking device of the present invention;

fig. 2 is a schematic view of the door opening linkage structure of the present invention, which shows the closed position forms of the first door body and the second door body;

FIG. 3 is a rear side view of FIG. 2;

fig. 4 is a schematic view of the door opening linkage structure of the present invention, which shows the opening position forms of the first door body and the second door body.

Detailed Description

An electric cooker (electric oven) is shown in fig. 1-4 and comprises a body 100, an inner container and a door opening linkage structure 200, wherein the inner container is used for cooking food, and the door opening linkage structure 200 is used for driving a first door body and a second door body which are positioned at an opening at the front part of the inner container to be synchronously opened or closed.

The door opening linkage structure 200 comprises a door frame 10, a base 20, a first door body 30, a second door body 40, a linkage mechanism 50 and a spring 60, wherein the door frame 10 is fixed on the body 100 and located in front of an opening of the inner container, the base 20 is fixed on the body 100 and located below the inner container, the first door body 30 is rotatably supported on the door frame 10 through a first hinge point 11, and the second door body 40 is rotatably supported on the door frame 10 through a second hinge point 12.

The linkage mechanism 50 is capable of synchronously opening and closing the first door body 30 and the second door body 40, and includes a rotary disk 51, a first link 52 and a second link 53, the rotary disk 51 is rotatably disposed on the base 20, for example, in a manner of passing through a hinge seat as shown in fig. 2, one end of the first link 52 is hinged to the first door body 30 through a hinge point third 521, the other end of the first link 52 is connected to the rotary disk 51 through a hinge point fourth 522, one end of the second link 53 is hinged to the second door body 40 through a hinge point fifth 531, and the other end of the second link 53 is connected to the rotary disk 51 through a hinge point sixth 532.

Wherein, a closed four-bar linkage structure is formed between the first hinge point 11, the third hinge point 521, the first connecting bar 52, the fourth hinge point 522 and the rotary disc 51, and a closed four-bar linkage structure is formed between the second hinge point 12, the fifth hinge point 531, the second connecting bar 53, the sixth hinge point 532 and the rotary disc 51, so as to realize the stable transmission opening and closing process between the first door body 30 and the second door body 40.

The spring 60 is selected to be a long extension spring 60, one end of the spring 60 is connected to the base 20, and the other end of the spring 60 is connected to the first link 52 or the second link 53, for example, the spring 60 and the second link 53 shown in fig. 2 are connected.

Wherein the spring 60 is preferably always in a stretched state.

The utility model provides a rotary disc 51 can adopt circular disk or cam disc, is equipped with breach portion 511 on the rotary disc 51, and base 20 is provided with the stopper 21 with breach portion 511 complex, and wherein, breach portion 511 has a butt lateral wall 511a, and when first door body 30 was closed with second door body 40, stopper 21 was located breach portion 511, and when first door body 30 was opened completely with second door body 40, butt lateral wall 511a contacted with stopper 21.

The utility model discloses introduce as follows with the circular disk:

referring to fig. 2 and 4, the counterclockwise rotation of the rotary disc 51 can complete the relative movement of the first connecting rod 52 and the second connecting rod 53, so as to realize the synchronous opening between the first door body 30 and the second door body 40; the clockwise rotation of the rotary disc 51 can complete the relative movement of the first connecting rod 52 and the second connecting rod 53, so as to realize the synchronous closing between the first door body 30 and the second door body 40; that is, one of the door bodies is arbitrarily operated, and the other door body can carry out the synchronous opening and closing process.

For example, the first door body 30 and the second door body 40 are opened by pulling the first door body 30, and under the action of external force, the first door body 30 rotates around the first hinge point 11 to drive the first connecting rod 52 to follow up, and simultaneously, the rotary disc 51 is driven to rotate counterclockwise, and through the counterclockwise rotation of the rotary disc 51, the second connecting rod 53 is driven to follow up, so as to drive the second door body 40 to open.

When the first door body 30 and the second door body 40 are opened, the spring 60 is simultaneously stretched, so that the spring is stretched and lengthened to form a certain restoring force;

referring to fig. 4 again, the door opening angles of the first door 30 and the second door 40 are not less than 90 °, for example, 95 °, so that the first door 30 and the second door 40 form hovering after being completely opened, and through the moving dead point of the four-bar linkage, the process of automatic closing cannot be performed without external force.

When the first door body 30 and the second door body 40 need to be closed, any one of the first door body 30 and the second door body 40 only needs to be pushed towards the closing direction lightly, and the first door body 30 and the second door body 40 can be closed automatically under the action of the spring 60.

The utility model discloses well base 20 is located the downward sunken storage tank 22 that forms of the lower direction of inner bag, and link gear 50 installs in storage tank 22 to further save space.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention shall be covered by the scope of the invention.

Claims

1. The utility model provides a two-way linkage structure that opens, its characterized in that, the linkage structure that opens includes:

a gantry;

a base fixed relative to the gantry;

the first door body is rotatably supported on the door frame;

the second door body is rotatably supported on the door frame; and

the linkage mechanism can enable the first door body and the second door body to be synchronously opened and closed;

the linkage mechanism comprises a rotary disc, a first connecting rod and a second connecting rod, the rotary disc is rotatably arranged on the base, one end of the first connecting rod is hinged to the first door body, the other end of the first connecting rod is connected to the rotary disc through a hinge joint, one end of the second connecting rod is hinged to the second door body, and the other end of the second door body is connected to the rotary disc through another hinge joint.

2. The door opening linkage according to claim 1, wherein said linkage further comprises at least one spring, one end of said spring being connected to said base, the other end of said spring being connected to said first link or said second link.

3. The door opening linkage of claim 2 wherein said spring is an extension spring and said spring is always in tension.

4. The door opening linkage structure according to claim 1, wherein the door opening angles of the first door body and the second door body are not less than 90 degrees.

5. The door opening linkage structure according to claim 1, wherein the rotary disk is a circular disk or a cam disk.

6. The door opening linkage structure according to claim 1, wherein a notch portion is provided on the rotary disk, and the base is provided with a limit block engaged with the notch portion, wherein the notch portion has an abutting side wall, the limit block is located in the notch portion when the first door body and the second door body are closed, and the abutting side wall is in contact with the limit block when the first door body and the second door body are completely opened.

7. The door opening linkage according to claim 1, wherein an auxiliary return spring is provided on the rotary plate.

8. An electric cooker, characterized by comprising:

a body;

the inner container is arranged in the body; and

the door opening linkage according to any one of claims 1 to 7;

the door frame is fixed on the body and positioned in front of the opening of the inner container, and the base is fixed on the body and positioned below the inner container.

9. The electric cooker as claimed in claim 8, wherein the body is provided with a magnetic clutch for closing the first door and the second door.

10. The electric cooker as claimed in claim 8, wherein the base is recessed below the inner container to form a receiving groove, and the linkage mechanism is mounted in the receiving groove.