CN212225005U - Door body structure and cooking stove - Google Patents

Abstract

The utility model provides a door body structure and a cooking stove, which relate to the technical field of household appliances, wherein the door body structure comprises a first door body, the first door body is provided with at least one opening, and the opening is arranged opposite to one of the sub-cavities of the box body; the door body structure further comprises a second door body and a first locking mechanism, the second door body and the openings are arranged in a one-to-one correspondence mode, the second door body is used for closing or opening the corresponding openings, and one side of the second door body is hinged to the first door body; the first locking mechanisms are arranged in one-to-one correspondence with the second door body and used for locking the other side of the second door body to the first door body or unlocking the second door body. This door body structure, when the second door body was closed, the opposite side of the second door body can lock in first door body through first locking mechanism to can strengthen the firm in connection nature between first door body and the second door body, improve the connection reliability between the two.

Description

Door body structure and cooking stove

Technical Field

The utility model belongs to the technical field of domestic appliance technique and specifically relates to a door body structure and cooking stove are related to.

Background

The door body structure of the electric cooking oven (such as a baking oven, a steam oven and a steam box) with double temperature zones (which can be split into independent and different temperature working zones) usually adopts an integrated door body, the upper and lower subareas can work singly or simultaneously, and when the upper and lower subareas work simultaneously, the whole door body needs to be opened when food baked in the upper subarea is taken out, so that the heat loss of the lower subarea is serious, the central temperature is reduced, and the baking time of the food in the lower subarea is prolonged and energy is wasted; moreover, the time length required to be lengthened is related to the time length of opening the door body, so that a user can hardly judge how long the time is required to be increased to achieve a relatively ideal baking effect, and great trouble is caused to the user.

In order to solve the above problem, a door structure is proposed in the prior art, which includes a first door body openably and closably connected to a front side of a cabinet, and a plurality of mutually independent second door bodies openably and closably connected to a front side of the first door body, where the plurality of second door bodies are arranged in one-to-one correspondence with the plurality of partitions. However, in the door structure of the prior art, the second door is usually connected to the first door by a hinge, and when the second door is closed, the connection between the second door and the first door is not reliable.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a door body structure to solve the door body structure that exists among the prior art, when the second door body was closed, the unreliable technical problem of being connected between the second door body and the first door body.

The door body structure provided by the utility model can be arranged on the box body of the cooking oven with the cavity capable of being divided, and is used for closing or opening the opening of the box body;

the door body structure further comprises a second door body and a first locking mechanism, the second door body and the openings are arranged in a one-to-one correspondence mode, the second door body is used for closing or opening the corresponding openings, and one side of the second door body is hinged to the first door body; the first locking mechanisms are arranged in one-to-one correspondence with the second door bodies, and the first locking mechanisms are used for locking the other side of the second door body to the first door body or unlocking the second door body.

Further, the door body structure is used for a cooking oven with an upper cavity and a lower cavity;

the first door body is provided with one opening, the opening is positioned at the upper part of the first door body, and when the door body structure is arranged on the box body, the opening can be opposite to the upper sub-cavity of the box body.

Further, the lower part of the second door body is hinged to the first door body; first locking mechanism includes outer pothook and first drag hook, outer pothook set up in the upper portion of the second door body, first drag hook set up in the first door body, outer pothook with first drag hook can cooperate lock joint or separation.

Furthermore, the first locking mechanism further comprises a first mounting seat, a first elastic piece and a driving assembly, the first mounting seat is fixedly arranged on the second door body, the outer hook is pivoted to the first mounting seat, the first elastic piece is mounted on the first mounting seat, and the first elastic piece is used for enabling the outer hook to be located at a position where the outer hook is matched and buckled with the first drag hook; the driving assembly is arranged on the second door body and used for driving the outer clamping hook to be separated from the first pulling hook.

Furthermore, the outer hook is provided with a first end and a second end, and the second end can be matched, buckled or separated with the first drag hook;

the driving assembly comprises a push rod and a second elastic piece, the push rod is arranged on the second door body, and the push rod can drive the first end to drive the second end to rotate around the pivoting axis of the outer clamping hook and enable the second end to be separated from the first draw hook; the second elastic piece is used for resetting the push rod.

Furthermore, the door body structure further comprises a second locking mechanism, the second locking mechanism comprises a second draw hook, a second mounting seat, an inner clamping hook and a third elastic piece, the second draw hook can be arranged on the box body, the second mounting seat is fixedly arranged on the first door body, the third elastic piece is mounted on the second mounting seat, the inner clamping hook is pivoted to the second mounting seat, and the inner clamping hook is provided with a third end and a fourth end;

when the first locking mechanism locks the second door body, the outer hook drives the third end to drive the fourth end to rotate around the pivoting axis of the inner hook, and the fourth end is separated from the second hook; when the first locking mechanism unlocks the second door body (400), the third elastic piece drives the fourth end to be matched and buckled with the second draw hook.

Furthermore, the door body structure further comprises a limiting mechanism, the limiting mechanism comprises a first limiting piece and a fourth elastic piece, the first limiting piece is pivoted to the second mounting seat, and the first limiting piece is provided with a fifth end and a sixth end;

when the door body structure opens the opening, the fourth elastic element drives the first limiting element and enables the fifth end to be abutted against the outer hook so as to limit the outer hook to be separated from the first drag hook; when the door body structure is closed when the opening is formed, the second draw hook is abutted to the first limiting part, so that the outer clamping hook can be matched, buckled or separated with the first draw hook.

Furthermore, the door body structure further comprises a limiting mechanism, the limiting mechanism comprises a first limiting piece, a second limiting piece and a fourth elastic piece, the first limiting piece is pivoted to the first door body, the second limiting piece can be fixedly arranged on the box body, and the first limiting piece is provided with a fifth end and a sixth end;

when the door body structure opens the opening, the fourth elastic element drives the first limiting element and enables the fifth end to be abutted against the outer hook so as to limit the outer hook to be separated from the first drag hook; when the door body structure is closed the uncovered time, the second locating part with first locating part butt is so that outer pothook can with first drag hook cooperation lock joint or separation.

Further, door body structure still includes the door frame, the door frame can fixed set up in the box uncovered department, the second drag hook fixed set up in the door frame.

The utility model provides a door body structure can produce following beneficial effect:

the utility model provides a door body structure, one side of the second door body is articulated with the first door body, and when the second door body was closed, the opposite side of the second door body can lock in the first door body through a locking mechanism to can strengthen the firm in connection nature between the first door body and the second door body, improve the connection reliability between the two.

When the food taking-out device is used, when food in a certain sub-cavity needs to be taken out, the first locking mechanism is unlocked, and then the second door body is opened; when the second door body is closed, the second door body can be locked on the first door body through the first locking mechanism, so that the connection reliability between the second door body and the first door body is improved.

A second object of the utility model is to provide a cooking stove to solve the door body structure that exists among the prior art, when the second door body was closed, the unreliable technical problem of being connected between the second door body and the first door body.

The utility model provides a cooking stove, which comprises a box body and a door body structure, wherein the box body is provided with an opening, and the door body structure is matched with the opening and used for closing or opening the opening; the box is provided with a plurality of the subchambers.

The utility model provides a cooking stove has foretell door body structure's whole beneficial effect, so no longer gives unnecessary details here.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a cooking oven door structure provided by an embodiment of the present invention when opened;

fig. 2 is a structural sectional view of a door structure of a cooking oven according to an embodiment of the present invention when closed;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a partial structural sectional view of the door body structure according to the embodiment of the present invention when the second door body is opened;

FIG. 5 is an enlarged view of the structure at B in FIG. 4;

FIG. 6 is an enlarged view of the structure at C in FIG. 4;

fig. 7 is a partial schematic structural view of a first locking mechanism of a door body structure according to an embodiment of the present invention;

fig. 8 is a second partial schematic structural view of the first locking mechanism of the door body structure according to the embodiment of the present invention;

fig. 9 is a schematic view of a partial structure of a door body structure according to an embodiment of the present invention;

fig. 10 is a second schematic partial structural view of a door body structure according to an embodiment of the present invention.

Icon:

100-a box body;

200-a door frame;

300-a first door body; 310-a seal;

400-a second door body; 410-a handle;

510-a first mount; 520-outer hook; 530-a first rotating shaft; 540-a first elastic member; 550-a drive assembly; 551-push rod; 552-a second resilient member; 553-a rod sleeve; 590-first draw hook;

610-a second mount; 620-inner hook; 630-a second shaft; 640-a third resilient member; 690-second draw hook;

710-a first stop; 720-a fourth elastic member;

810-first hinge.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Fig. 1 is a schematic structural view of a door structure of a cooking oven provided in this embodiment when opened, and fig. 2 is a sectional structural view of the door structure of the cooking oven provided in this embodiment when closed; fig. 3 is an enlarged view of a structure at a in fig. 2, and fig. 4 is a partial structural sectional view of the door structure according to the present embodiment when the second door is opened.

The present embodiment provides a door structure, as shown in fig. 1 to 4, the door structure can be mounted on a box 100 of a chamber-separable cooking oven, and is used for closing or opening an opening of the box 100, and includes a first door 300, where the first door 300 is provided with at least one opening, and the opening is disposed opposite to one of sub-chambers of the box 100; the door body structure further comprises a second door body 400 and a first locking mechanism, the second door body 400 is arranged corresponding to the openings one by one, the second door body 400 is used for closing or opening the corresponding openings, and one side of the second door body 400 is hinged with the first door body 300; the first locking mechanism is provided in one-to-one correspondence with the second door 400, and the first locking mechanism is used to lock the other side of the second door 400 to the first door 300 or unlock the second door 400.

According to the door body structure provided by the embodiment, one side of the second door body 400 is hinged to the first door body 300, and when the second door body 400 is closed, the other side of the second door body 400 can be locked on the first door body 300 through the first locking mechanism, so that the connection firmness between the first door body 300 and the second door body 400 can be enhanced, and the connection reliability between the first door body 300 and the second door body 400 is improved.

When the food taking-out device is used, when food in a certain sub-cavity needs to be taken out, the first locking mechanism is unlocked, and then the second door body 400 is opened; when the second door 400 is closed, the second door 400 may be locked to the first door 300 by the first locking mechanism, so as to improve the connection reliability between the second door 400 and the first door 300.

In particular, in the embodiment, the door body structure is used for a cooking oven which can be divided into an upper cavity and a lower cavity; the first door 300 is provided with an opening, which is located at an upper portion of the first door 300, and the opening can be opposite to the upper sub-chamber of the cabinet 100 when the door structure is mounted to the cabinet 100.

It should be noted that, in other embodiments of the present application, the door structure is not limited to be used in a cooking oven with upper and lower sub-chambers, for example: the door structure can also be used for a cooking oven with left and right divided cavities.

It should be noted that, in other embodiments of the present application, the number of the openings on the first door body 300 is not limited to one, for example: the first door 300 is provided with two openings, and the two openings are arranged along the vertical direction and respectively correspond to the upper sub-chamber and the lower sub-chamber of the box 100. That is, the number of the openings is not particularly limited in the present application, as long as the corresponding second door 400 can close or open the openings, and when the second door 400 closes the corresponding openings, the corresponding first locking mechanism can reliably connect the second door 400 and the first door 300.

Fig. 5 is an enlarged view of a structure at B in fig. 4, fig. 6 is an enlarged view of a structure at C in fig. 4, fig. 7 is one of partial structural schematic diagrams of the first locking mechanism of the door body structure according to the present embodiment, and fig. 8 is a second partial structural schematic diagram of the first locking mechanism of the door body structure according to the present embodiment.

Specifically, in the present embodiment, as shown in fig. 4 to 8, the lower portion of the second door 400 is hinged to the first door 300; the first locking mechanism comprises an outer hook 520 and a first draw hook 590, the outer hook 520 is arranged on the upper portion of the second door body 400, the first draw hook 590 is arranged on the first door body 300, and the outer hook 520 and the first draw hook 590 can be matched, buckled or separated. When the outer hook 520 is buckled with the first hook 590 in a matching manner, the second door body 400 is reliably connected with the first door body 300, and when the outer hook 520 is separated from the first hook 590, the second door body 400 can be opened independently.

Specifically, in this embodiment, the lower portion of the second door 400 is hinged to the first door 300 through the first hinge 810.

Specifically, in this embodiment, as shown in fig. 5, 7 and 8, the first locking mechanism further includes a first mounting seat 510, a first elastic element 540 and a driving assembly 550, the first mounting seat 510 is fixedly disposed on the second door body 400, the outer hook 520 is pivotally connected to the first mounting seat 510, the first elastic element 540 is mounted on the first mounting seat 510, and the first elastic element 540 is used for enabling the outer hook 520 to be located at a position where it is engaged with and fastened with the first hook 590; the driving assembly 550 is disposed on the second door body 400, and the driving assembly 550 is used for driving the outer hook 520 to disengage from the first hook 590. The first installation seat 510 enhances the modularization of the first locking mechanism, which is beneficial for assembly and maintenance, and of course, in other embodiments of the present application, the first installation seat 510 may also be integrated with the second door body 400, that is, the first installation seat 510 is directly formed on the second door body 400. When the outer hook 520 is engaged with and fastened to the first hook 590, the first elastic member 540 restricts the outer hook 520 from being disengaged from the first hook 590, so as to ensure a reliable connection between the outer hook 520 and the first hook 590.

Specifically, in the present embodiment, as shown in fig. 7 and 8, the first elastic member 540 is a torsion spring. However, in other embodiments of the present application, the structural form of the first elastic member 540 is not limited, for example: the first elastic member 540 may also be a compression spring, one end of the compression spring abuts against the second door body 400, and the other end of the compression spring is pressed on the outer hook 520, so that the outer hook 520 is located at a position where the outer hook 520 is matched and fastened with the first draw hook 590. That is, the present application does not limit the specific structure of the first elastic member 540 as long as the outer hook 520 can be prevented from being separated from the first hook 590.

Specifically, in the present embodiment, the outer hook 520 is pivotally connected to the first mounting base 510 through a first rotating shaft 530.

Specifically, in the present embodiment, as shown in fig. 3 and 6, the outer hook 520 has a first end and a second end, and the second end is capable of engaging with the first hook 590; the driving assembly 550 includes a push rod 551 and a second elastic member 552, the push rod 551 is disposed on the second door body 400, the push rod 551 can drive the first end to drive the second end to rotate around the pivot axis of the outer hook 520, and the second end is separated from the first hook 590; the second elastic member 552 serves to restore the push rod 551. In this arrangement, the user can operate the first locking mechanism through the driving member 550, which is more convenient than the operation of directly acting on the outer hook 520.

Specifically, in the present embodiment, the driving assembly 550 further includes a rod sleeve 553, and the rod sleeve 553 is sleeved on an end of the push rod 551 far away from the outer hook 520. The rod cover 553 protects the push rod 551.

Specifically, the stem cover 553 is a plastic piece. Of course, in other embodiments of the present application, the rod sleeve 553 may also be made of other materials, which is not limited in this application.

Fig. 9 is a first partial schematic structural view of the door body structure provided in this embodiment, and fig. 10 is a second partial schematic structural view of the door body structure provided in this embodiment.

Specifically, in this embodiment, as shown in fig. 3, fig. 5, fig. 9 and fig. 10, the door structure further includes a second locking mechanism, the second locking mechanism includes a second hook 690, a second mounting seat 610, an inner hook 620 and a third elastic piece 640, the second hook 690 can be disposed on the box 100, the second mounting seat 610 is fixedly disposed on the first door 300, the third elastic piece 640 is mounted on the second mounting seat 610, the inner hook 620 is pivotally connected to the second mounting seat 610, and the inner hook 620 has a third end and a fourth end; when the first locking mechanism locks the second door body 400, the outer hook 520 drives the third end to drive the fourth end to rotate around the pivoting axis of the inner hook 620, and the fourth end is separated from the second hook 690; when the first locking mechanism unlocks the second door 400, the third elastic member 640 drives the fourth end to be matched and fastened with the second hook 690. Under the arrangement form, when the door structure closes the opening of the box body 100, if the second door body 400 needs to be opened alone, the first door body 300 is locked with the box body 100, so that the situation that the first door body 300 is opened by mistake when the second door body 400 is opened alone is avoided, and the use convenience of the door structure is greatly improved.

Specifically, in the present embodiment, the inner hook 620 is pivotally connected to the second mounting base 610 through the second rotating shaft 630.

Specifically, in this embodiment, as shown in fig. 3 and fig. 5, the door body structure further includes a limiting mechanism, the limiting mechanism includes a first limiting member 710 and a fourth elastic member 720, the first limiting member 710 is pivotally connected to the second mounting base 610, and the first limiting member 710 has a fifth end and a sixth end; when the door structure is opened, the fourth elastic member 720 drives the first limiting member 710 to make the fifth end abut against the outer hook 520, so as to limit the outer hook 520 to be separated from the first hook 590; when the door structure is closed and opened, the second hook 690 abuts against the first stopper 710, so that the outer hook 520 can be engaged with or separated from the first hook 590. Under the form of the arrangement, when the door structure opens the opening of the box body 100, the second door body 400 cannot be opened independently, so that the situation that the second door body 400 is opened by mistake when the opening of the box body 100 is opened is avoided, and the use convenience of the door structure is greatly improved.

It should be noted that, in other embodiments of the present application, the limiting mechanism may further include a second limiting member, the second limiting member may be fixedly disposed on the box body 100, and when the door body structure is closed to be open, the second limiting member abuts against the first limiting member 710, so that the outer hook 520 can be matched, fastened or separated with the first hook 590.

It should be further noted that, in other embodiments of the present application, the first limiting member 710 may also be pivoted to the first door 300.

Specifically, in this embodiment, as shown in fig. 1, the door structure further includes a door frame 200, the door frame 200 can be fixedly disposed at an opening of the box 100, and the second hook 690 is fixedly disposed on the door frame 200.

Specifically, in the present embodiment, as shown in fig. 1 to 4, the second door body 400 is further provided with a handle 410, so that the second door body 400 can be opened or closed conveniently.

In this embodiment, specifically, the rod cover 553 is disposed at the handle 410, so as to facilitate pressing the push rod 551 by one hand and opening the second door 400.

In this embodiment, as shown in fig. 5, the first door 300 is provided with a seal 310, so that the sealing property between the first door 300 and the second door 400 is enhanced, heat dissipation in the cavity is reduced, and the baking effect is ensured.

Specifically, in the present embodiment, the first door 300 is rotatably and fixedly connected to the door frame 200 by the second hinge, which is the prior art and therefore will not be described herein again.

In this embodiment, the first door 300 and the second door 400 respectively include an outer layer glass plate, a middle layer glass plate and an inner layer glass plate, and the glass plates are fixedly connected to each other through a door plate.

The embodiment also provides a cooking oven, which comprises a box body 100 and the door body structure, wherein the box body 100 is provided with an opening, and the door body structure is matched with the opening and used for closing or opening the opening; the case 100 is provided with a plurality of sub-cavities.

Specifically, the housing 100 may be divided into upper and lower chambers.

The cooking oven provided by the embodiment has all the beneficial effects of the door body structure, and therefore, the description is omitted.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (10)

1. A door body structure can be arranged on a box body (100) of a chamber-separable cooking oven and is used for closing or opening an opening of the box body (100), and is characterized by comprising a first door body (300), wherein the first door body (300) is provided with at least one opening, and the opening is opposite to one sub-cavity of the box body (100);

the door body structure further comprises a second door body (400) and a first locking mechanism (500), the second door body (400) is arranged in one-to-one correspondence with the openings, the second door body (400) is used for closing or opening the corresponding openings, and one side of the second door body (400) is hinged to the first door body (300); the first locking mechanisms (500) are arranged in one-to-one correspondence with the second door bodies (400), and the first locking mechanisms (500) are used for locking the other side of the second door bodies (400) to the first door bodies (300) or unlocking the second door bodies (400).

2. The door structure according to claim 1, wherein the door structure is used for a cooking oven which can be divided into an upper chamber and a lower chamber;

the first door body (300) is provided with one opening, the opening is positioned at the upper part of the first door body (300), and when the door body structure is arranged on the box body (100), the opening can be opposite to the upper sub-cavity of the box body (100).

3. The door body structure according to claim 2, wherein a lower portion of the second door body (400) is hinged to the first door body (300); first locking mechanical system (500) include outer pothook (520) and first drag hook (590), outer pothook (520) set up in the upper portion of the second door body (400), first drag hook (590) set up in the first door body (300), outer pothook (520) with first drag hook (590) can cooperate lock joint or separation.

4. The door body structure according to claim 3, wherein the first locking mechanism further comprises a first mounting seat (510), a first elastic member (540) and a driving assembly (550), the first mounting seat (510) is fixedly arranged on the second door body (400), the outer hook (520) is pivoted to the first mounting seat (510), the first elastic member (540) is mounted on the first mounting seat (510), and the first elastic member (540) is used for enabling the outer hook (520) to be in a position where the outer hook (520) is in fit and lock connection with the first hook (590); the driving assembly (550) is arranged on the second door body (400), and the driving assembly (550) is used for driving the outer hook (520) to be separated from the first draw hook (590).

5. The door body structure according to claim 4, wherein the outer hook (520) has a first end and a second end, and the second end can be buckled with or separated from the first hook (590);

the driving assembly (550) comprises a push rod (551) and a second elastic piece (552), the push rod (551) is arranged on the second door body (400), and the push rod (551) can drive the first end to drive the second end to rotate around a pivoting shaft of the outer hook (520) and enable the second end to be separated from the first hook (590); the second elastic piece (552) is used for resetting the push rod (551).

6. The door structure according to any one of claims 3 to 5, wherein the door structure further comprises a second locking mechanism, the second locking mechanism comprises a second hook (690), a second mounting seat (610), an inner hook (620) and a third elastic member (640), the second hook (690) can be arranged on the box body (100), the second mounting seat (610) is fixedly arranged on the first door body (300), the third elastic member (640) is arranged on the second mounting seat (610), the inner hook (620) is pivoted to the second mounting seat (610), and the inner hook (620) has a third end and a fourth end;

when the first locking mechanism (500) locks the second door body (400), the outer hook (520) drives the third end to drive the fourth end to rotate around the pivoting axis of the inner hook (620), and the fourth end is separated from the second hook (690); when the first locking mechanism (500) unlocks the second door body (400), the third elastic piece (640) drives the fourth end to be matched and buckled with the second draw hook (690).

7. The door body structure according to claim 6, further comprising a limiting mechanism (700), wherein the limiting mechanism (700) comprises a first limiting member (710) and a fourth elastic member (720), the first limiting member (710) is pivoted to the second mounting seat (610), and the first limiting member (710) has a fifth end and a sixth end;

when the door body structure opens the opening, the fourth elastic element (720) drives the first limiting element (710) and enables the fifth end to be abutted against the outer hook (520) so as to limit the outer hook (520) to be separated from the first hook (590); when the door body structure is closed the uncovered time, second drag hook (690) with first locating part (710) butt, so that outer pothook (520) can with first drag hook (590) cooperation lock joint or separation.

8. The door body structure according to any one of claims 3 to 5, further comprising a limiting mechanism (700), wherein the limiting mechanism (700) comprises a first limiting member (710), a second limiting member and a fourth elastic member (720), the first limiting member (710) is pivoted to the first door body (300), the second limiting member is fixedly arranged on the box body (100), and the first limiting member (710) has a fifth end and a sixth end;

when the door body structure opens the opening, the fourth elastic element (720) drives the first limiting element (710) and enables the fifth end to be abutted against the outer hook (520) so as to limit the outer hook (520) to be separated from the first hook (590); when the door body structure closes the opening, the second limiting part is abutted to the first limiting part (710), so that the outer hook (520) can be matched, buckled or separated with the first draw hook (590).

9. The door body structure according to claim 6, further comprising a door frame (200), wherein the door frame (200) can be fixedly arranged at the opening of the box body (100), and the second draw hook (690) is fixedly arranged on the door frame (200).

10. A cooking oven, characterized in that it comprises a cabinet (100) and a door structure according to any one of claims 1 to 9, said cabinet (100) having said opening, said door structure being matched to said opening for closing or opening said opening; the box body (100) is provided with a plurality of sub-cavities.

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