Double-door oven linkage mechanism

Abstract

The linkage mechanism comprises an oven body, a left door, a right door, a linkage piece, a left connecting arm and a right connecting arm, the oven body is provided with a front opening and a baking cavity, one end of the left connecting arm is rotationally connected to the linkage piece, the other end of the left connecting arm is rotationally connected to the left door, one end of the right connecting arm is rotationally connected to the linkage piece, and the other end of the right connecting arm is rotationally connected to the right door. The linkage piece rotates to drive the left connecting arm and the right connecting arm to rotate so that the left door and the right door can synchronously rotate to open and close the front opening. The linkage piece is arranged on the box body, the left connecting arm rotationally connected with the left door and the right connecting arm rotationally connected with the right door are arranged on the linkage piece, and the linkage piece rotates to drive the left connecting arm and the right connecting arm to rotate so as to drive the left door and the right door to synchronously rotate to open and close the front opening. Therefore, when a user independently pokes the left door or the right door, the other door body which is not poked can be driven through the linkage piece, synchronous rotation of the left door and the right door is achieved to open and close the front opening, opening and closing of the front opening can be operated with one hand, and operation is easy and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to small household electrical appliances technical field, especially to the linkage mechanism of the split door oven. BACKGROUND

[0002] Electric oven is a kind of small household electrical appliances that food is baked by electric energy conversion, and it is widely liked by consumers. In order to adapt to the area less, the existing electric oven is configured with two door bodies to open and close the opening of baking cavity, so as to reduce the action amplitude and operation space when the door body opens and closes the opening of baking cavity. Since the two door bodies of the existing double-split door oven cannot rotate synchronously, it is necessary to open the door body outward (close the door body inward) with both hands or open the door body outward (close the door body inward) one by one with one hand when opening and closing the opening of baking cavity, which is complicated to operate. SUMMARY

[0003] The utility model aims at providing a linkage mechanism of the split door oven to solve the problem that the existing double-split door electric oven needs to open the door body outward (close the door body inward) with both hands or open the door body outward (close the door body inward) one by one with one hand when opening and closing the opening of baking cavity, which is complicated to operate.

[0004] The utility model is realized through the following technical solutions:

[0005] The linkage mechanism of the split door oven comprises a box body, a left door, a right door, a linkage piece, a left connecting arm and a right connecting arm, the box body has a baking cavity communicated with the outside through a front opening, the left door and the right door are rotatably connected with the box body on the left and right sides of the front opening respectively, one end of the left connecting arm is rotatably connected with the linkage piece, and the other end is rotatably connected with the left door, one end of the right connecting arm is rotatably connected with the linkage piece, and the other end is rotatably connected with the right door, the linkage piece is rotatably connected with the box body, and when the linkage piece rotates, it drives the left connecting arm and the right connecting arm to rotate to make the left door and the right door rotate synchronously to open and close the front opening.

[0006] Further, the linkage piece has a left connecting part and a right connecting part, the left connecting arm is rotatably connected with the linkage piece at the left connecting part, and the right connecting arm is rotatably connected with the linkage piece at the right connecting part, the left connecting part and the right connecting part are arranged at an included angle to make the linkage piece rotate to drive the left connecting arm and the right connecting arm to rotate to make the left door and the right door rotate synchronously to open and close the front opening.

[0007] Further, the connection between the linkage piece and the box body is defined as O1, the connection between the left connecting arm and the left connecting part is defined as O2, and the connection between the right connecting arm and the right connecting part is defined as O3, the included angle β between the line O1O2 and the line O1O3 is in the range of 80°-90°.

[0008] Further, the left and right connecting arms are of the same length, and the length of the line connecting O1O2 is the same as the length of the line connecting O1O3.

[0009] Further, the box and the left connecting arm are provided with an elastic member, which is used to drive the left connecting arm to rotate, so that the left connecting arm drives the linkage member and the right connecting arm to rotate, and the left door and the right door are synchronously rotated to close the front opening; or the box and the right connecting arm are provided with an elastic member, which is used to drive the right connecting arm to rotate, so that the right connecting arm drives the linkage member and the left connecting arm to rotate, and the left door and the right door are synchronously rotated to close the front opening.

[0010] Further, the box is provided with a containing cavity on one side of the baking cavity, the linkage member is contained in the containing cavity, one end of the left connecting arm is rotatably connected to the linkage member, and the other end of the left connecting arm extends out of the containing cavity and is rotatably connected to the left door, and one end of the right connecting arm is rotatably connected to the linkage member, and the other end of the right connecting arm extends out of the containing cavity and is rotatably connected to the right door.

[0011] Further, the box is provided with a connecting rod extending into the containing cavity from the baking cavity, one end of the connecting rod extending into the containing cavity is provided with a supporting ring, the linkage member is rotatably connected to the supporting ring and is spaced apart from the cavity wall of the containing cavity, and the connecting rod is provided with a fastener cooperating with the supporting ring to limit the linkage member from moving up and down.

[0012] Further, the supporting ring has a supporting shoulder abutting against the lower surface of the linkage member, the fastener includes a nut and a gasket, the nut is threadedly connected to the connecting rod, and the gasket is arranged between the nut and the supporting ring and abuts against the upper surface of the linkage member.

[0013] Further, the linkage member is provided with a left connecting column rotatably connected to the left connecting arm, and the left connecting column is provided with a left stopper cooperating with the linkage member to limit the left connecting arm from moving up and down.

[0014] Further, the linkage member is provided with a right connecting column rotatably connected to the right connecting arm, and the right connecting column is provided with a right stopper cooperating with the linkage member to limit the right connecting arm from moving up and down.

[0015] The technical scheme has the advantages that the linkage member is arranged on the box, the left connecting arm rotatably connected to the left door and the right connecting arm rotatably connected to the right door are arranged on the linkage member, the linkage member drives the left connecting arm and the right connecting arm to rotate, and then drives the left door and the right door to synchronously rotate to open and close the front opening, so that when a user separately actuates the left door or the right door, the linkage member drives the other door body (the left door or the right door) which is not actuated, the left door and the right door are synchronously rotated to open and close the front opening, the opening and closing of the front opening can be operated by one hand, and the operation is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the accompanying drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the accompanying drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the accompanying drawings needed to be used in the embodiment description will be briefly introduced.

[0018] Figure 1 is a perspective view of the linkage mechanism of the split-door oven disclosed by the embodiment (front opening opening state);

[0019] Figure 2 is a sectional view of the linkage mechanism of the split-door oven disclosed by the embodiment (front opening opening state);

[0020] Figure 3 is Figure 2 the local enlarged view of A in the figure;

[0021] Figure 4 is a perspective view of the linkage mechanism of the split-door oven disclosed by the embodiment (front opening opening state and hidden part of the shell);

[0022] Figure 5 is Figure 4 the local enlarged view of B in the figure;

[0023] Figure 6 is a top view of the linkage mechanism of the split-door oven disclosed by the embodiment (front opening opening state and hidden part of the shell);

[0024] Figure 7 is a top view of the linkage mechanism of the split-door oven disclosed by the embodiment (front opening closing state and hidden part of the shell). DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments only constitute some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Embodiment: as Figures 1-7As shown, the pair of doors oven linkage mechanism includes a box body 1, a left door 2, a right door 3, a linkage 4, a left connecting arm 5 and a right connecting arm 6, the box body 1 has a baking cavity 102 communicated with the outside through a front opening 101, the left door 2 and the right door 3 are respectively rotatably connected with the box body 1 on the left and right sides of the front opening 101, one end of the left connecting arm 5 is rotatably connected with the linkage 4 and the other end is rotatably connected with the left door 2, one end of the right connecting arm 6 is rotatably connected with the linkage 4 and the other end is rotatably connected with the right door 3, the linkage 4 is rotatably connected with the box body 1, and when the linkage 4 rotates, the left connecting arm 5 and the right connecting arm 6 are driven to rotate to synchronously rotate the left door 2 and the right door 3 to open and close the front opening 101. The pair of doors oven linkage mechanism is provided to solve the problem that the existing double-door electric oven needs to be opened and closed by two hands simultaneously or one hand one by one when opening and closing the baking cavity opening, and the operation is complicated. The linkage 4 is arranged on the box body 1, the left connecting arm 5 rotatably connected with the left door 2 and the right connecting arm 6 rotatably connected with the right door 3 are arranged on the linkage 4, and when the linkage 4 rotates, the left connecting arm 5 and the right connecting arm 6 are driven to rotate to synchronously rotate the left door 2 and the right door 3 to open and close the front opening 101. Therefore, when the user separately operates the left door 2 or the right door 3, the other door (the left door 2 or the right door 3) can be driven by the linkage 4, the left door 2 and the right door 3 are synchronously rotated to open and close the front opening 101, the opening and closing of the front opening 101 can be operated by one hand, and the operation is simple and convenient.

[0027] In the embodiment of the utility model, linkage 4 has left connecting portion 401 and right connecting portion 402, left connecting arm 5 is rotatably connected with linkage 4 at left connecting portion 401, right connecting arm 6 is rotatably connected with linkage 4 at right connecting portion 402, left connecting portion 401 and right connecting portion 402 are arranged at an angle to make linkage 4 rotate to drive left connecting arm 5 and right connecting arm 6 to rotate to synchronously rotate left door 2 and right door 3 to open and close front opening 101. The above-mentioned arrangement is to configure linkage 4 with left connecting portion 401 rotatably connected with left connecting arm 5 and right connecting portion 402 rotatably connected with right connecting arm 6, and arrange left connecting portion 401 and right connecting portion 402 at an angle, so that when linkage 4 rotates to drive left connecting arm 5 and right connecting arm 6 to rotate to synchronously rotate left door 2 and right door 3 to open and close front opening 101, it is smooth and the opening and closing effect is good.

[0028] In the embodiment of the utility model, the connection between linkage 4 and box body 1 is defined as O1, the connection between left connecting arm 5 and left connecting portion 401 is defined as O2, the connection between right connecting arm 6 and right connecting portion 402 is defined as O3, and the angle β between the line O1O2 and the line O1O3 is in the range of 80°-90°. The above-mentioned arrangement is to configure the angle β between the line O1O2 and the line O1O3 to be 80°-90°, so that when linkage 4 rotates to drive left connecting arm 5 and right connecting arm 6 to rotate to synchronously rotate left door 2 and right door 3 to open and close front opening 101, it is smooth and the opening and closing effect is good.

[0029] In the embodiment of the utility model, left connecting arm 5 and right connecting arm 6 length is consistent, and the length of O1O2 connecting line is consistent with the length of O1O3 connecting line. The above-mentioned setting is through the length of left connecting arm 5 and right connecting arm 6 is configured to be consistent, and the length of O1O2 connecting line is configured to be consistent with the length of O1O3 connecting line, makes linkage 4 rotation drive left connecting arm 5 and right connecting arm 6 rotation makes left door 2 and right door 3 synchronous rotation open and close front door 101 when smooth, and the effect is good.

[0030] In the embodiment of the utility model, the elastic element 7 is arranged between the box body 1 and the left connecting arm 5, and the elastic element 7 is used to drive the left connecting arm 5 to rotate, so that the left connecting arm 5 drives the linkage 4 and the right connecting arm 6 to rotate, and the left door 2 and the right door 3 are synchronously rotated to close the front door 101. The above-mentioned setting is through the elastic element 7 arranged between the box body 1 and the left connecting arm 5 to drive the left connecting arm 5 to rotate, so that the left connecting arm 5 drives the linkage 4 and the right connecting arm 6 to rotate, and the left door 2 and the right door 3 are synchronously rotated to close the front door 101. The left door 2 and the right door 3 are synchronously rotated to close the front door 101 after the user removes the force (automatic reset and close), and the operation is further simplified.

[0031] In other embodiments, the elastic element 7 can be arranged between the box body 1 and the right connecting arm 6. When the elastic element 7 is arranged between the box body 1 and the right connecting arm 6, the elastic element 7 is used to drive the right connecting arm 6 to rotate, so that the right connecting arm 6 drives the linkage 4 and the left connecting arm 5 to rotate, and the left door 2 and the right door 3 are synchronously rotated to close the front door 101.

[0032] In the embodiment of the utility model, the box body 1 is provided with a containing cavity 103 on one side of the baking cavity 102, the linkage 4 is contained in the containing cavity 103, one end of the left connecting arm 5 is rotatably connected to the linkage 4, and the other end of the left connecting arm 5 extends out of the containing cavity 103 and is rotatably connected to the left door 2. One end of the right connecting arm 6 is rotatably connected to the linkage 4, and the other end of the right connecting arm 6 extends out of the containing cavity 103 and is rotatably connected to the right door 3. The above-mentioned setting is through the configuration of the containing cavity 103 on one side of the baking cavity 102, the linkage 4 is arranged in the containing cavity 103, one end of the left connecting arm 5 and the right connecting arm 6 extends out of the containing cavity 103, and the other end of the left connecting arm 5 and the right connecting arm 6 is connected to the linkage 4, so that the linkage 4, the left connecting arm 5, the right connecting arm 6 and the box body 1 are connected reasonably and compactly.

[0033] In the embodiment of the utility model, the linkage 8 extends into the containing cavity 103 from the baking cavity 102, one end of the linkage 8 extending into the containing cavity 103 is provided with a supporting ring 9, the linkage 4 is rotatably connected to the supporting ring 9 and is arranged at intervals with the cavity wall of the containing cavity 103, and the linkage 8 is provided with a fastener 10 cooperating with the supporting ring 9 to limit the up-down movement of the linkage 4. The above-mentioned setting is through the configuration of the linkage 4 rotatably connected to the supporting ring 9 and arranged at intervals with the cavity wall of the containing cavity 103, so that the linkage 4 rotates smoothly and avoids friction with the box body 1; and through the configuration of the fastener 10 on the linkage 8 cooperating with the supporting ring 9 to limit the up-down movement of the linkage 4, the linkage 4 is stably assembled.

[0034] In the embodiment of the utility model, the supporting ring 9 has a supporting shoulder 901 abutting against the lower surface of the linkage 4, the fastener 10 comprises a nut 11 and a gasket 12, the nut 11 is threadedly connected with the connecting rod 8, and the gasket 12 is arranged between the nut 11 and the supporting ring 9 and abuts against the upper surface of the linkage 4. The above arrangement makes the linkage 4 stable in assembly.

[0035] In the embodiment of the utility model, the left connecting arm 5 abuts against the upper surface of the linkage 4, the linkage 4 is provided with a left connecting column 13 rotatably connected with the left connecting arm 5, and the left connecting column 13 is provided with a left stopper 14 cooperating with the linkage 4 to limit the up-down movement of the left connecting arm 5. The above arrangement makes the left connecting arm 5 rotatable relative to the linkage 4 and stable in assembly with the linkage 4 by arranging the left connecting column 13 rotatably connected with the left connecting arm 5 on the linkage 4 and arranging the left stopper 14 cooperating with the linkage 4 to limit the up-down movement of the left connecting arm 5 on the left connecting column 13.

[0036] In the embodiment of the utility model, the right connecting arm 6 abuts against the upper surface of the linkage 4, the linkage 4 is provided with a right connecting column 15 rotatably connected with the right connecting arm 6, and the right connecting column 15 is provided with a right stopper 16 cooperating with the linkage 4 to limit the up-down movement of the right connecting arm 6. The above arrangement makes the right connecting arm 6 rotatable relative to the linkage 4 and stable in assembly with the linkage 4 by arranging the right connecting column 15 rotatably connected with the right connecting arm 6 on the linkage 4 and arranging the right stopper 16 cooperating with the linkage 4 to limit the up-down movement of the right connecting arm 6 on the right connecting column 15.

[0037] It should be understood that the utility model uses the terms "first", "second" and the like to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, the "first" information can also be referred to as "second" information without departing from the scope of the utility model, and similarly, the "second" information can also be referred to as "first" information. In addition, the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0038] As described above, one or more embodiments are provided in combination with specific content, and it is not intended that the specific implementation of the utility model is limited to these descriptions. Any approximation, similarity or replacement of the method and structure of the utility model, or any technical deduction or replacement under the concept of the utility model, should be regarded as the protection of the utility model.

Claims

1. A linkage mechanism for a split door oven, characterized in that, The utility model provides a baking door linkage structure, including box, left door, right door, linkage, left connecting arm and right connecting arm, the box has the baking cavity with the outside communication through the front opening, left door and right door are respectively in the left and right side of front opening with box rotary connection, left connecting arm one end rotary connection is in linkage, and the other end rotary connection is in left door, right connecting arm one end rotary connection is in linkage, and the other end rotary connection is in right door, linkage rotary connection is in the box, linkage rotation drives left connecting arm and right connecting arm rotation and makes left door and right door synchronous rotation open and close the front opening.

2. The split door oven linkage of claim 1, wherein, The linkage has left connecting part and right connecting part, the left connecting arm is rotatably connected to the left connecting part and the linkage, the right connecting arm is rotatably connected to the right connecting part and the linkage, the left connecting part and the right connecting part are arranged at an angle to enable the linkage to rotate and drive the left connecting arm and the right connecting arm to rotate, so that the left door and the right door are synchronously rotated to open and close the front opening.

3. The split door oven linkage of claim 2, wherein, The connection between the linkage and the box is defined as O1, the connection between the left connecting arm and the left connecting part is defined as O2, the connection between the right connecting arm and the right connecting part is defined as O3, and the included angle β between the line O1O2 and the line O1O3 is in the range of 80° to 90°.

4. The split door oven linkage of claim 3, wherein, The left connecting arm and the right connecting arm have the same length, and the length of the line O1O2 is the same as the length of the line O1O3.

5. The split door oven linkage of claim 1, wherein, The box and the left connecting arm are provided with an elastic member, which is used to drive the left connecting arm to rotate, so that the left connecting arm drives the linkage and the right connecting arm to rotate, and the left door and the right door are synchronously rotated to close the front opening. The box and the right connecting arm are provided with an elastic member, which is used to drive the right connecting arm to rotate, so that the right connecting arm drives the linkage and the left connecting arm to rotate, and the left door and the right door are synchronously rotated to close the front opening.

6. The split door oven linkage of claim 1, wherein, The box is provided with a containing cavity on one side of the baking cavity, the linkage is contained in the containing cavity, one end of the left connecting arm is rotatably connected to the linkage, and the other end of the left connecting arm extends out of the containing cavity and is rotatably connected to the left door, one end of the right connecting arm is rotatably connected to the linkage, and the other end of the right connecting arm extends out of the containing cavity and is rotatably connected to the right door.

7. The split door oven linkage of claim 6, wherein, The box is provided with a connecting rod extending into the containing cavity from the baking cavity, one end of the connecting rod extending into the containing cavity is provided with a supporting ring, the linkage is rotatably connected to the supporting ring and is spaced apart from the cavity wall of the containing cavity, and the connecting rod is provided with a fastener cooperating with the supporting ring to limit the upward and downward movement of the linkage.

8. The split door oven linkage of claim 7, wherein, The supporting ring has a supporting shoulder abutting against the lower surface of the linkage, the fastener includes a nut and a washer, the nut is threadedly connected to the connecting rod, and the washer is arranged between the nut and the supporting ring and abuts against the upper surface of the linkage.

9. The split door oven linkage of claim 1, wherein, The linkage is provided with a left connecting column rotatably connected to the left connecting arm, and the left connecting column is provided with a left stopper cooperating with the linkage to limit the upward and downward movement of the left connecting arm.

10. The split door oven linkage of claim 1, wherein, The linkage is provided with a right connecting column rotatably connected with the right connecting arm, and the right connecting column is provided with a right stopper matched with the linkage to limit the up-and-down movement of the right connecting arm.

Images