Oven door opening structure

Abstract

The utility model discloses an oven door opening structure which comprises an oven body with an opening in the front side. The door body is arranged on the front side of the opening and can open or close the opening of the box body; the door body comprises a first door body and a second door body, and the first door body and the second door body are hinged to the two opposite ends of the refrigerator body respectively; the opening and closing driving mechanism can realize simultaneous opening or closing of the first door body and the second door body; the opening and closing driving mechanism comprises a first connecting rod and a second connecting rod; one end of the first connecting rod is rotationally connected with the first door body, and the other end is rotationally connected with a first gear; one end of the second connecting rod is rotationally connected with the second door body, and the other end is rotationally connected with a second gear; the first gear and the second gear are in meshing transmission; the box body is provided with a first gear sliding rail which extends in the front-back direction of the box body and is in meshing transmission with the first gear, and a second gear sliding rail which is in meshing transmission with the second gear. The utility model solves the problem that the two box doors need to be respectively operated when the double box doors are opened and closed, so that the operation is inconvenient.

Description

Technical Field

[0001] The utility model relates to the technical field of ovens, in particular to an oven door opening structure. Background Art

[0002] Currently, double-door ovens on the market require both hands to open and close the doors, or the two doors cannot be opened or closed synchronously when opened or closed, which has practical problems and poor stability. Utility Model Content

[0003] (1) Technical issues to be solved

[0004] The technical problem to be solved by the utility model is to provide an oven door opening structure, which can realize the synchronous opening or closing of the first door body and the second door body by pulling any one door body through an opening and closing drive mechanism; it solves the problem that the existing double-opening oven door needs to operate the two doors separately when opening and closing, which is inconvenient to operate.

[0005] (2) Technical solution

[0006] The solution adopted by the utility model to solve the above technical problems is an oven door opening structure, comprising

[0007] a box body having an opening on a front side thereof;

[0008] a door body, which is provided at the front side of the opening of the box body and is capable of opening or closing the opening of the box body;

[0009] The door body includes a first door body and a second door body, and the first door body and the second door body are hinged to two opposite ends of the box body respectively;

[0010] an opening and closing drive mechanism, which is provided on the box body and is capable of opening or closing the first door body and the second door body at the same time;

[0011] The opening and closing drive mechanism includes a first connecting rod and a second connecting rod; wherein, one end of the first connecting rod is rotationally connected to the first door body, and the other end is rotationally connected to the first gear; one end of the second connecting rod is rotationally connected to the second door body, and the other end is rotationally connected to the second gear; the first gear and the second gear are engaged in transmission; and the box body is provided with a first gear sliding track extending along the front and rear directions thereof and engaged in transmission with the first gear, and a second gear sliding track engaged in transmission with the second gear.

[0012] Specifically, a first handle is provided on the outer wall of the first door body, and a second handle is provided on the outer wall of the second door body; when in use, the opening of the box body can be opened or closed synchronously by operating the first handle or the second handle, which is easy to operate.

[0013] In some embodiments, the first door body and the second door body are arranged on the left and right.

[0014] In some embodiments, the first door body and the second door body are structures arranged up and down.

[0015] By adopting the above scheme, the first connecting rod and the second connecting rod are linked through the meshing first gear and the second gear; by pulling the first door body or the second door body, the first gear and the second gear can be driven to move along the trajectory of the first gear sliding track and the second gear sliding track, thereby driving the first connecting rod and the second connecting rod to be linked, thereby realizing the simultaneous opening or closing of the first door body and the second door body at the opening of the box body; and, due to the meshing between the first gear and the second gear, the linkage of the first connecting rod and the second connecting rod is smoother, thereby ensuring the stability of the first door body and the second door body when opening or closing.

[0016] In some embodiments, the first gear sliding track includes a first straight tooth portion extending along the front-to-back direction of the box body, and the first straight tooth portion is provided at an end of the first gear away from the second gear; the second gear sliding track includes a second straight tooth portion extending along the front-to-back direction of the box body, and the second straight tooth portion is provided at an end of the second gear away from the first gear.

[0017] In some embodiments, the first gear sliding track and the second gear sliding track are symmetrically arranged relative to the front-to-back direction of the box body.

[0018] In some embodiments, the first gear includes a first gear portion and a first shaft portion formed by extending upward from the top end of the first gear portion; the second gear includes a second gear portion and a second shaft portion formed by extending upward from the top end of the second gear portion; wherein the first connecting rod is rotatably connected to the first shaft portion, and the second connecting rod is rotatably connected to the second shaft portion.

[0019] Specifically, the first gear portion and the second gear portion are circular gears.

[0020] In some embodiments, the box body is provided with a first slide groove and a second slide groove extending along the front-to-back direction thereof, wherein the first shaft portion is slidably connected in the first slide groove, and the second shaft portion is slidably connected in the second slide groove.

[0021] In some embodiments, the first slide groove and the second slide groove are symmetrically arranged relative to the front-to-back direction of the box body; and the first slide groove and the second slide groove are arranged between the first gear sliding track and the second gear sliding track.

[0022] By adopting the above scheme, in the process of pushing and pulling the first door body or the second door body, the first gear part and the second gear part engage and move along the first gear sliding track and the second gear sliding track. At the same time, the first shaft part and the second shaft part rotate and slide along the first slide groove and the second slide groove, thereby making the linkage of the first connecting rod and the second connecting rod smoother, so that the resistance is smaller and the feel is better when opening and closing the door; and the cooperation between the first shaft part and the first slide groove, and the cooperation between the second shaft part and the second slide groove can limit the first gear and the second gear.

[0023] In some embodiments, an upper limit member is connected between the first shaft portion and the second shaft portion; a lower limit member is connected between the first gear portion and the second gear portion; the upper limit member and the lower limit member are respectively arranged at the top and bottom ends of the first gear and the second gear.

[0024] In some embodiments, the upper limit member is recessed downward at both ends perpendicular to the movement direction of the first gear to form extension walls. During the movement of the upper limit member along with the first gear and the second gear, the two extension walls move along the outer walls of the first slide groove and the second slide groove respectively; and the first connecting rod, the upper limit member, the first gear and the lower limit member are locked together by screws; the second connecting rod, the upper limit member, the second gear and the lower limit member are locked together by screws.

[0025] With the above solution, the upper limit member and the lower limit member can limit the upper and lower limit functions of the first gear and the second gear, so that the movement of the first gear and the second gear is smoother.

[0026] In some embodiments, the box body has an inner liner, and a receiving cavity for accommodating the opening and closing drive mechanism is provided between the inner liner and the box body; and the first gear sliding track and the second gear sliding track are provided on the wall of the box body away from the inner liner.

[0027] In some embodiments, a heating mechanism capable of baking food is provided in the inner pot.

[0028] In some embodiments, the box body is detachably connected to a mounting wall on one end outside the inner liner, the mounting wall is provided with the first gear sliding track and the second gear sliding track, and the mounting wall is provided with the first slide groove and the second slide groove on one end close to the inner liner; the receiving cavity is formed between the mounting wall and the wall of the inner liner.

[0029] By adopting the above solution, the inner liner and the receiving cavity are separated from each other, which can prevent the first connecting rod and the second connecting rod from overheating and shortening their service life; the mounting wall is detachably connected to the outside of the inner liner, which is convenient for disassembly and assembly, and facilitates subsequent maintenance and replacement.

[0030] In some embodiments, the box body is provided with a first opening and a second opening on the front side of the receiving cavity; the first opening and the second opening are arranged apart from each other; and, the first opening is arranged close to the first door body, and the first connecting rod can pass through the first opening and be rotatably connected to the first door body; the second opening is arranged close to the second door body, and the second connecting rod can pass through the second opening and be rotatably connected to the second door body.

[0031] Specifically, the first opening and the second opening extend along the left-right direction of the box body, and the sizes of the first opening and the second opening are sufficient to provide movable space for the first connecting rod and the second connecting rod.

[0032] In some embodiments, the first gear sliding rail and the second gear sliding rail are respectively formed with a first end and a second end along the front-to-back direction of the box body, the first end is arranged close to one side of the door body, and the second end is arranged away from the side of the door body; and a limit switch is provided at the box body close to the first gear sliding rail and / or the second end of the first gear sliding rail, and when the limit switch is triggered, the first door body and the second door body are closed into place.

[0033] In some embodiments, the limit switch is relatively arranged between the first gear sliding track and the second gear sliding track, and the limit switch is provided with a trigger part near the second end of the first gear sliding track or the second end of the second gear sliding track. When the first gear part of the first gear or the second gear part of the second gear triggers the trigger part of the limit switch, the first door body and the second door body are closed in place; it can more accurately detect whether the first door body and the second door body are closed in place.

[0034] In some embodiments, when the first door and the second door are fully opened to allow the box to open, their extension lines intersect at the rear of the box, making it easier for users to put in and take out food.

[0035] (3) Beneficial effects

[0036] Compared with the prior art, the utility model designs an oven door opening structure.

[0037] (1) The first connecting rod and the second connecting rod of the utility model are linked by the meshing first gear and the second gear; by pulling the first door body or the second door body, the first gear and the second gear can be driven to mesh and move along the trajectory of the first gear sliding track and the second gear sliding track, thereby driving the first connecting rod and the second connecting rod to link, thereby realizing the simultaneous opening or closing of the first door body and the second door body at the opening of the box body; and, due to the meshing between the first gear and the second gear, the linkage of the first connecting rod and the second connecting rod is smoother, thereby ensuring the stability of the first door body and the second door body when opening or closing;

[0038] (2) In the process of pushing or pulling the first door body or the second door body, the first gear portion and the second gear portion engage and move along the first gear sliding track and the second gear sliding track, and at the same time, the first shaft portion and the second shaft portion rotate and slide along the first slide groove and the second slide groove, thereby making the linkage of the first connecting rod and the second connecting rod smoother, so that the resistance is small and the hand feel is good when opening and closing the door; and the cooperation between the first shaft portion and the first slide groove, and the cooperation between the second shaft portion and the second slide groove can limit the first gear and the second gear;

[0039] (3) The utility model separates the inner liner and the receiving cavity from each other, which can prevent the first connecting rod and the second connecting rod from overheating and shortening their service life; the mounting wall can be detachably connected to the outside of the inner liner, which is convenient for disassembly and assembly, and facilitates subsequent maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0041] Figure 1 This is a structural diagram of an oven door opening structure of the present invention;

[0042] Figure 2 This is a partial structural diagram of an oven door opening structure of the present invention;

[0043] Figure 3 for Figure 2 A in the middle is an enlarged schematic diagram;

[0044] Figure 4 This is another partial structural diagram of an oven door opening structure of the present invention;

[0045] Figure 5 This is another partial structural diagram of an oven door opening structure of the present invention;

[0046] Figure 6 This is a cross-sectional view of an oven door opening structure according to the present invention.

[0047] The names of the components corresponding to the reference numerals in the figures are: 100, housing; 101, opening; 102, first gear sliding track; 1021, first straight tooth portion; 103, second gear sliding track; 1031, second straight tooth portion; 104, first slide groove; 105, second slide groove; 106, liner; 107, receiving chamber; 108, first opening; 109, second opening; 110, first end; 111, second end; 112, mounting wall; 200, door body; 201 , first door body; 2011, first handle; 202, second door body; 2021, second handle; 300, first connecting rod; 301, first gear; 3011, first gear part; 3012, first shaft; 400, second connecting rod; 401, second gear; 4011, second gear part; 4012, second shaft; 500, upper limit member; 501, extension wall; 600, lower limit member; 700, travel switch; 701, trigger part; 800, heating mechanism. DETAILED DESCRIPTION

[0048] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0049] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0050] The following describes the embodiments of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the features in the following embodiments and embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of this application.

[0051] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on this application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0052] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The illustrations only show components related to the present application and are not drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated.

[0053] Additionally, in the following description, specific details are provided to provide a thorough understanding of the examples, however, one skilled in the art will appreciate that the examples can be practiced without these specific details.

[0054] The following describes the technical solutions provided by various embodiments of the present application in conjunction with the accompanying drawings.

[0055] like Figures 1-6As shown, the utility model provides an oven door opening structure, comprising a box body 100, which has an opening 101 on its front side; a door body 200, which is arranged in front of the opening 101 of the box body 100 and can open or close the opening 101 of the box body 100; the door body 200 includes a first door body 201 and a second door body 202, and the first door body 201 and the second door body 202 are respectively hinged to the opposite ends of the box body 100; a closing drive mechanism, which is arranged on the box body 100 and can realize the simultaneous opening or closing of the first door body 201 and the second door body 202; the opening and closing drive mechanism includes The first connecting rod 300 and the second connecting rod 400 are provided. One end of the first connecting rod 300 is rotatably connected to the first door body 201, and the other end is rotatably connected to the first gear 301. One end of the second connecting rod 400 is rotatably connected to the second door body 202, and the other end is rotatably connected to the second gear 401. The first gear 301 and the second gear 401 are engaged in transmission. In addition, the box body 100 is provided with a first gear sliding track 102 extending along the front-to-back direction thereof and engaged in transmission with the first gear 301, and a second gear sliding track 103 engaged in transmission with the second gear 401. Specifically, a first handle 2011 is provided on the outer wall of the first door body 201, and a second handle 2021 is provided on the outer wall of the second door body 202. When in use, the opening 101 of the box body 100 can be opened or closed synchronously by operating the first handle 2011 or the second handle 2021, which is convenient to operate. In some embodiments, the first door body 201 and the second door body 202 are arranged on the left and right sides. By adopting the above scheme, the first connecting rod 300 and the second connecting rod 400 are linked through the meshing first gear 301 and the second gear 401; by pulling the first door body 201 or the second door body 202, the first gear 301 and the second gear 401 can be driven to mesh and move along the trajectory of the first gear sliding track 102 and the second gear sliding track 103, thereby driving the first connecting rod 300 and the second connecting rod 400 to be linked, thereby realizing the simultaneous opening or closing of the first door body 201 and the second door body 202 at the opening 101 of the box body 100; and, due to the meshing between the first gear 301 and the second gear 401, the linkage of the first connecting rod 300 and the second connecting rod 400 is smoother, thereby ensuring the stability of the first door body 201 and the second door body 202 when opening or closing.

[0056] In some embodiments, the first gear sliding track 102 includes a first spur tooth portion 1021 extending along the front-to-back direction of the housing 100. The first spur tooth portion 1021 is disposed at an end of the first gear 301 away from the second gear 401. The second gear sliding track 103 includes a second spur tooth portion 1031 extending along the front-to-back direction of the housing 100. The second spur tooth portion 1031 is disposed at an end of the second gear 401 away from the first gear 301. In some embodiments, the first gear sliding track 102 and the second gear sliding track 103 are symmetrically arranged with respect to the front-to-back direction of the housing 100. In some embodiments, the first gear 301 includes a first gear portion 3011 and a first shaft portion 3012 extending upward from the top of the first gear portion 3011; the second gear 401 includes a second gear portion 4011 and a second shaft portion 4012 extending upward from the top of the second gear portion 4011; wherein the first connecting rod 300 is rotatably connected to the first shaft portion 3012, and the second connecting rod 400 is rotatably connected to the second shaft portion 4012. Specifically, the first gear portion 3011 and the second gear portion 4011 are circular gears. In some embodiments, the housing 100 is provided with a first slide groove 104 and a second slide groove 105 extending along the front-to-back direction thereof, wherein the first shaft portion 3012 is slidably connected within the first slide groove 104, and the second shaft portion 4012 is slidably connected within the second slide groove 105. In some embodiments, the first slide groove 104 and the second slide groove 105 are symmetrically arranged relative to the front-to-back direction of the box body 100; and the first slide groove 104 and the second slide groove 105 are arranged between the first gear sliding track 102 and the second gear sliding track 103. With the above solution, when pushing or pulling the first door body 201 or the second door body 202, the first gear portion 3011 and the second gear portion 4011 engage and move along the first gear sliding track 102 and the second gear sliding track 103, and at the same time, the first shaft portion 3012 and the second shaft portion 4012 rotate and slide along the first slide groove 104 and the second slide groove 105, thereby making the linkage of the first connecting rod 300 and the second connecting rod 400 smoother, resulting in less resistance and a better feel when opening and closing the door; and the cooperation between the first shaft portion 3012 and the first slide groove 104, and the cooperation between the second shaft portion 4012 and the second slide groove 105, can limit the first gear 301 and the second gear 401.

[0057] In some embodiments, an upper limit member 500 is connected between the first shaft portion 3012 and the second shaft portion 4012; a lower limit member 600 is connected between the first gear portion 3011 and the second gear portion 4011; the upper limit member 500 and the lower limit member 600 are respectively disposed at the top and bottom ends of the first gear 301 and the second gear 401. In some embodiments, the upper limit member 500 is recessed downward at both ends perpendicular to the movement direction of the first gear 301 to form extension walls 501. As the upper limit member 500 moves with the first gear 301 and the second gear 401, the two extension walls 501 move along the outer walls of the first slide groove 104 and the second slide groove 105, respectively. Furthermore, the first connecting rod 300, the upper limit member 500, the first gear 301, and the lower limit member 600 are locked together by screws; and the second connecting rod 400, the upper limit member 500, the second gear 401, and the lower limit member 600 are also locked together by screws. With the above solution, the upper limit member 500 and the lower limit member 600 can limit the upper and lower limit functions of the first gear 301 and the second gear 401, so that the movement of the first gear 301 and the second gear 401 is smoother.

[0058] In some embodiments, the housing 100 has an inner container 106, and a receiving cavity 107 for receiving the opening and closing drive mechanism is provided between the inner container 106 and the housing 100; and the first gear sliding track 102 and the second gear sliding track 103 are provided on the wall of the housing 100 away from the inner container 106. In some embodiments, a heating mechanism 800 capable of baking food is provided in the inner container 106. In some embodiments, a mounting wall 112 is detachably connected to one end of the housing 100 located outside the inner container 106, and the first gear sliding track 102 and the second gear sliding track 103 are provided on the mounting wall 112. In addition, the first slide groove 104 and the second slide groove 105 are provided on the end of the mounting wall 112 close to the inner container 106; the receiving cavity 107 is formed between the mounting wall 112 and the wall of the inner container 106. By adopting the above solution, the inner liner 106 and the receiving cavity 107 are separated from each other, which can prevent the first connecting rod 300 and the second connecting rod 400 from overheating and shortening their service life; the mounting wall 112 is detachably connected to the outside of the inner liner 106, which is convenient for disassembly and assembly, and facilitates subsequent maintenance and replacement.

[0059] In some embodiments, the box body 100 is provided with a first opening 108 and a second opening 109 on the front side of the receiving cavity 107; the first opening 108 and the second opening 109 are spaced apart; and the first opening 108 is arranged near the first door body 201, and the first connecting rod 300 can pass through the first opening 108 and be rotatably connected to the first door body 201; the second opening 109 is arranged near the second door body 202, and the second connecting rod 400 can pass through the second opening 109 and be rotatably connected to the second door body 202. Specifically, the first opening 108 and the second opening 109 extend along the left-right direction of the box body 100, and the sizes of the first opening 108 and the second opening 109 are sufficient to provide space for the first connecting rod 300 and the second connecting rod 400 to move.

[0060] In some embodiments, the first gear sliding rail 102 and the second gear sliding rail 103 are respectively formed with a first end 110 and a second end 111 along the front and rear directions of the box body 100, the first end 110 is arranged close to one side of the door body 200, and the second end 111 is arranged away from one side of the door body 200; and, a limit switch 700 is provided at the second end 111 of the box body 100 close to the first gear sliding rail 102, and when the limit switch 700 is triggered, the first door body 201 and the second door body 202 are closed in place. In some embodiments, the limit switch 700 is relatively arranged between the first gear sliding rail 102 and the second gear sliding rail 103, and the limit switch 700 is provided with a trigger part 701 near the second end 111 of the first gear sliding rail 102. When the first gear part 3011 of the first gear 301 triggers the trigger part 701 of the limit switch 700, the first door body 201 and the second door body 202 are closed in place; it can more accurately detect whether the first door body 201 and the second door body 202 are closed in place.

[0061] In some embodiments, when the first door 201 and the second door 202 fully open the opening 101 of the box body 100, the extension lines of the two intersect at the rear of the box body 100, making it easier for users to put in and take out food.

[0062] The same or similar parts between the various embodiments in this specification can be referred to each other, and each embodiment focuses on the differences from other embodiments.

[0063] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. An oven door opening structure, characterized in that: include A box body (100) having an opening (101) on its front side; a door body (200), which is provided at the front side of the opening (101) of the box body (100) and is capable of opening or closing the opening (101) of the box body (100); The door body (200) comprises a first door body (201) and a second door body (202), and the first door body (201) and the second door body (202) are hinged to opposite ends of the box body (100) respectively; an opening and closing drive mechanism, which is provided on the box body (100) and is capable of realizing the simultaneous opening or closing of the first door body (201) and the second door body (202); The opening and closing drive mechanism includes a first connecting rod (300) and a second connecting rod (400); wherein, one end of the first connecting rod (300) is rotatably connected to the first door body (201), and the other end is rotatably connected to the first gear (301); one end of the second connecting rod (400) is rotatably connected to the second door body (202), and the other end is rotatably connected to the second gear (401); the first gear (301) and the second gear (401) are meshed for transmission; and the box body (100) is provided with a first gear sliding track (102) extending along the front-to-rear direction thereof and meshing with the first gear (301) for transmission, and a second gear sliding track (103) meshing with the second gear (401) for transmission.

2. The oven door opening structure according to claim 1, characterized in that: The first gear sliding track (102) includes a first straight tooth portion (1021) extending along the front-to-back direction of the housing (100), and the first straight tooth portion (1021) is provided at an end of the first gear (301) away from the second gear (401); the second gear sliding track (103) includes a second straight tooth portion (1031) extending along the front-to-back direction of the housing (100), and the second straight tooth portion (1031) is provided at an end of the second gear (401) away from the first gear (301).

3. The oven door opening structure according to claim 1, characterized in that: The first gear sliding track (102) and the second gear sliding track (103) are symmetrically arranged in the front-rear direction relative to the box body (100).

4. The oven door opening structure according to claim 1, characterized in that: The first gear (301) includes a first gear portion (3011) and a first shaft portion (3012) formed by extending upward from the top end of the first gear portion (3011); the second gear (401) includes a second gear portion (4011) and a second shaft portion (4012) formed by extending upward from the top end of the second gear portion (4011); wherein the first connecting rod (300) is rotatably connected to the first shaft portion (3012), and the second connecting rod (400) is rotatably connected to the second shaft portion (4012).

5. The oven door opening structure according to claim 4, characterized in that: The box body (100) is provided with a first slide groove (104) and a second slide groove (105) extending along the front-to-back direction thereof, wherein the first shaft portion (3012) is slidably connected in the first slide groove (104), and the second shaft portion (4012) is slidably connected in the second slide groove (105).

6. The oven door opening structure according to claim 5, characterized in that: The first slide groove (104) and the second slide groove (105) are symmetrically arranged relative to the front-rear direction of the box body (100); and the first slide groove (104) and the second slide groove (105) are arranged between the first gear sliding track (102) and the second gear sliding track (103).

7. The oven door opening structure according to claim 4, characterized in that: An upper limit member (500) is connected between the first shaft portion (3012) and the second shaft portion (4012); a lower limit member (600) is connected between the first gear portion (3011) and the second gear portion (4011); the upper limit member (500) and the lower limit member (600) are respectively arranged at the top end and the bottom end of the first gear (301) and the second gear (401).

8. The oven door opening structure according to claim 1, characterized in that: The box body (100) has an inner liner (106), and a receiving cavity (107) for receiving the opening and closing drive mechanism is provided between the inner liner (106) and the box body (100); and the first gear sliding track (102) and the second gear sliding track (103) are provided on a wall of the box body (100) away from the inner liner (106).

9. The oven door opening structure according to claim 8, characterized in that: The box body (100) is provided with a first opening (108) and a second opening (109) on the front side of the receiving cavity (107); the first opening (108) and the second opening (109) are arranged at intervals; and the first opening (108) is arranged close to the first door body (201), and the first connecting rod (300) can pass through the first opening (108) and be rotatably connected to the first door body (201); the second opening (109) is arranged close to the second door body (202), and the second connecting rod (400) can pass through the second opening (109) and be rotatably connected to the second door body (202).

10. The oven door opening structure according to claim 1, characterized in that: The first gear sliding track (102) and the second gear sliding track (103) are respectively formed with a first end (110) and a second end (111) along the front-rear direction of the box body (100), the first end (110) is arranged close to a side of the door body (200), and the second end (111) is arranged away from a side of the door body (200); and a limit switch (700) is provided on the box body (100) close to the first gear sliding track (102) and / or the second end (111) of the first gear sliding track (102), and when the limit switch (700) is triggered, the first door body (201) and the second door body (202) are closed in place.

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