Double-door structure and oven

Abstract

According to the double-door structure, when a first rotating rod rotates, a third driving wheel drives a fourth driving wheel to rotate through a first driving wheel, a steering piece and a second driving wheel, so that the rotating directions of a second rotating rod and the first rotating rod are opposite; when the second rotating rod rotates, the fourth driving wheel drives the third driving wheel to rotate through the second driving wheel, the steering piece and the first driving wheel, so that the rotating directions of the first rotating rod and the second rotating rod are opposite, the first rotating rod and the second rotating rod drive the first sliding door and the second sliding door to be opened and closed, and then the effect of opening the doors at the same time is achieved. The linkage device is small in occupied space, suitable for devices with double doors in different fields and wide in application range.

Description

Technical Field

[0001] The utility model belongs to the technical field of double-doors, and in particular relates to a double-door structure and an oven. Background Art

[0002] The double-door design can be applied to different devices in different fields. For example, in the oven field, the double-door design allows users to open two doors, making it more convenient to put in or take out food. Especially when handling large amounts of food or large baking trays, this design can significantly improve work efficiency.

[0003] In the prior art, in addition to manual operation, the doors on both sides of the double-door structure can also be opened by setting a linkage device to link the door bodies on both sides, so that the door bodies on both sides can be opened simultaneously by pushing a single door body. There is little content about the double-door structure in current patent documents, and the implementation of the structure is immature, with problems such as poor structural applicability and large space occupation. For example, in the patent document with authorization announcement number CN111765707B and patent name "Door opening mechanism for double-door refrigerator", the movement of the connecting rod will occupy the installation space of the electric control components in the refrigerator, affecting the placement of the electric control components. Technical personnel in this field believe that it is necessary to propose a new linkage structure, and thus the utility model proposes a double-door structure and an oven. Utility Model Content

[0004] The utility model aims to solve the above-mentioned technical problems existing in the prior art and provide a double-door structure with simple structure, wide application range, easy operation and easy realization of double-sided door opening at the same time.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A double-door structure includes a first sliding door and a second sliding door, including a first rotating rod, which is arranged on the first sliding door and drives the first sliding door to rotate by rotating; a second rotating rod, which is arranged on the second sliding door and drives the second sliding door to rotate by rotating; a linkage device, which includes a first transmission wheel and a second transmission wheel, a third transmission wheel is arranged on the first rotating rod, and a first transmission assembly is arranged on the first transmission wheel and the third transmission wheel, and the first transmission assembly is used to cause the first transmission wheel and the third transmission wheel to rotate in the same direction, a fourth transmission wheel is arranged on the second rotating rod, and a second transmission assembly is arranged on the second transmission wheel and the fourth transmission wheel, and the second transmission assembly is used to cause the second transmission wheel and the fourth transmission wheel to rotate in the same direction; a steering member is arranged between the first transmission wheel and the second transmission wheel, and the steering member drives the first transmission wheel and the second transmission wheel to rotate, and the rotation directions of the first transmission wheel and the second transmission wheel are opposite.

[0007] Furthermore, the first transmission assembly adopts a transmission belt, and the transmission belt is sleeved on the outer sides of the first transmission wheel and the third transmission wheel.

[0008] Furthermore, the steering member includes a bracket, and a first bevel gear, a second bevel gear and a third bevel gear rotatably arranged on the bracket, the first bevel gear and the second bevel gear are arranged up and down, the first bevel gear and the second bevel gear are both meshed and connected to the third bevel gear, and the third bevel gear causes the first bevel gear and the second bevel gear to rotate in two opposite directions through meshing transmission, the first transmission wheel is arranged on the first bevel gear, and the second transmission wheel is arranged on the second bevel gear, so that the rotation directions of the first transmission wheel and the second transmission wheel are opposite.

[0009] Furthermore, it also includes a connecting shaft, the second bevel gear is fixedly arranged on the connecting shaft, and the first bevel gear is rotatably arranged on the connecting shaft, so that the first bevel gear and the second bevel gear are arranged up and down along the connecting shaft.

[0010] Furthermore, a second transmission wheel is fixedly arranged on the connecting shaft, so that the second transmission wheel is indirectly fixed on the second bevel gear.

[0011] Furthermore, the first bevel gear is provided with a first rotating shaft, the bracket is provided with a first rotating hole, a clamping groove is provided on the outer side of the first rotating shaft, a clamping ring is embedded in the clamping groove, the diameter of the clamping ring is larger than the diameter of the first rotating hole, and the clamping ring limits the first rotating shaft to rotate in the first rotating hole by abutting against the bracket.

[0012] Furthermore, a bearing is provided on the first rotating shaft, and the bearing is used to drive the first rotating shaft to rotate.

[0013] Furthermore, the first sliding door is provided with a first limiting groove, the first limiting groove is provided with a first opening, the first rotating rod is inserted into the first limiting groove through the first opening, a limiting plate is detachably provided at the first opening, and the limiting plate limits the first rotating rod in the first limiting groove by closing the first opening.

[0014] Furthermore, it also includes a first fixing seat, on which a first sleeve is arranged, and in which a first rotating rod is rotatably arranged.

[0015] The oven comprises a box body, and a double-door structure is installed on the box body.

[0016] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0017] When the first rotating rod rotates in the utility model, the third transmission wheel drives the fourth transmission wheel to rotate through the first transmission wheel, the steering member and the second transmission wheel, so that the rotation directions of the second rotating rod and the first rotating rod are opposite; when the second rotating rod rotates, the fourth transmission wheel drives the third transmission wheel to rotate through the second transmission wheel, the steering member and the first transmission wheel, so that the rotation directions of the first rotating rod and the second rotating rod are opposite, and the first rotating rod and the second rotating rod drive the opening and closing of the first sliding door and the second sliding door, thereby achieving the effect of opening the doors at the same time. The structure is simple and reasonable, the linkage device occupies less space, is suitable for double-door devices in different fields, and has a large range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings:

[0019] Figure 1 This is a schematic diagram of the structure of the utility model applied to an oven (without the outer shell);

[0020] Figure 2 for Figure 1 A top view of

[0021] Figure 3 It is a schematic structural diagram of the first rotating rod, the second rotating rod and the linkage device in the utility model;

[0022] Figure 4 It is a structural schematic diagram of the first sliding door, the first rotating rod, the third transmission wheel, the first fixing seat and the first sleeve in the utility model;

[0023] Figure 5 is a top view of the first sliding door in the utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the linkage device in the utility model (I);

[0025] Figure 7 This is a schematic structural diagram of the linkage device in the utility model (II).

[0026] In the figure, 1-first sliding door; 2-second sliding door; 3-first rotating rod; 4-second rotating rod; 5-first transmission assembly; 6-second transmission assembly; 7-first transmission wheel; 8-second transmission wheel; 9-third transmission wheel; 10-fourth transmission wheel; 11-first fixed seat; 12-first sleeve; 13-second fixed seat; 14-second sleeve; 15-linkage device; 16-limiting plate; 17-first limiting groove; 18-bracket; 19-first bevel gear; 20-second bevel gear; 21-connecting shaft; 22-first rotating shaft; 23-bearing; 24-second rotating shaft; 25-third bevel gear; 26-housing; 27-third rotating shaft; 28-retaining ring. DETAILED DESCRIPTION

[0027] like Figures 3 to 7 As shown, the double-door structure of the utility model includes a first sliding door 1 and a second sliding door 2, including a first rotating rod 3, a second rotating rod 4 and a linkage device 15. The first rotating rod 3 is arranged on the first sliding door 1, and drives the first sliding door 1 to rotate by rotating; the second rotating rod 4 is arranged on the second sliding door 2, and drives the second sliding door 2 to rotate by rotating; the linkage device 15 includes a first transmission wheel 7 and a second transmission wheel 8, the first rotating rod 3 is provided with a third transmission wheel 9, the first transmission wheel 7 and the third transmission wheel 9 are provided with a first transmission assembly 5, the second rotating rod 4 is provided with a fourth transmission wheel 10, the second transmission wheel 8 and the fourth transmission wheel 10 are provided with a second transmission assembly 6, the first transmission assembly 5 and the second transmission assembly 6 can adopt a structure with a transmission effect such as a transmission belt and a transmission wheel. In the utility model, the transmission belt is sleeved on the outside of the first transmission wheel 7 and the third transmission wheel 9 to promote the first transmission wheel 7 and the third transmission wheel 9 to rotate in the same direction, or is sleeved on the outside of the second transmission wheel 8 and the fourth transmission wheel 10 to promote the second transmission wheel 8 and the fourth transmission wheel 10 to rotate in the same direction.

[0028] A steering member is provided between the first transmission wheel 7 and the second transmission wheel 8, and the steering member includes a bracket 18, and a first bevel gear 19, a second bevel gear 20, a third bevel gear 25 and a connecting shaft 21 rotatably arranged on the bracket 18, the second bevel gear 20 is fixedly arranged on the connecting shaft 21, and the first bevel gear 19 is rotatably arranged on the connecting shaft 21, so that the first bevel gear 19 and the second bevel gear 20 are stably arranged up and down along the connecting shaft 21. The first bevel gear 19 and the second bevel gear 20 are both meshedly connected to the third bevel gear 25. The third bevel gear 25 causes the first bevel gear 19 and the second bevel gear 20 to rotate in two opposite directions through meshing transmission. The first transmission wheel 7 is arranged on the first bevel gear 19, and the second transmission wheel 8 is arranged on the second bevel gear 20. When the first transmission wheel 7 rotates, the rotation direction of the second transmission wheel 8 is opposite to the rotation direction of the first transmission wheel 7, so that the first rotating rod 3 fixed on the third transmission wheel 9 and the second rotating rod 4 fixed on the fourth transmission wheel 10 rotate in opposite directions, thereby realizing the opening and closing of the sliding doors on both sides at the same time. The structure is simple, and the rotation of the first rotating rod 3 and the second rotating rod 4 is realized by the steering of the bevel gears and the transmission between the transmission wheels.

[0029] The first bevel gear 19 is provided with a first rotating shaft 22, on which a bearing 23 is provided, and the bearing 23 promotes the rotation of the first rotating shaft 22. The bracket 18 is provided with a first rotating hole, and a clamping groove is provided on the outer side of the first rotating shaft 22, and a clamping ring 28 is embedded in the clamping groove. The diameter of the clamping ring 28 is larger than the diameter of the first rotating hole, and the clamping ring 28 limits the first rotating shaft 22 to rotate in the first rotating hole by abutting against the bracket 18. The second bevel gear 20 is provided with a second rotating shaft 24, and the bracket 18 is provided with a second rotating hole. The second rotating shaft 24 is limited to rotate in the second rotating hole, and the second transmission wheel 8 is fixed on the second rotating shaft 24, so that the second transmission wheel 8 and the second rotating shaft 24 rotate synchronously. The third bevel gear 25 is provided with a third rotating shaft 27, and the bracket 18 is provided with a third rotating hole. The third rotating shaft 27 is limited to rotate in the third rotating hole.

[0030] The first sliding door 1 is provided with a first limiting groove 17, the first limiting groove 17 is provided with a first opening, the first rotating rod 3 is inserted into the first limiting groove 17 through the first opening, the limiting plate 16 can be disassembled and installed at the first opening by means of bolts, and the limiting plate 16 closes the first opening to limit the first rotating rod 3 in the first limiting groove 17. The second sliding door 2 is provided with a second limiting groove, the second limiting groove is provided with a second opening, the second rotating rod 4 is inserted into the second limiting groove through the second opening, the limiting plate 16 can be disassembled and installed at the second opening by means of bolts, and the limiting plate 16 closes the second opening to limit the second rotating rod 4 in the second limiting groove.

[0031] The utility model also includes a first fixed seat 11 and a second fixed seat 13. The first fixed seat 11 and the second fixed seat 13 are both provided with fixing holes, and the fixing holes are used to connect the box body 26. The first fixed seat 11 is provided with a first sleeve 12, and a first rotating rod 3 is arranged in the first sleeve 12, so that the first rotating rod 3 can stably rotate along the first sleeve 12; the second fixed seat 13 is provided with a second sleeve 14, and a second rotating rod 4 is arranged in the second sleeve 14, so that the second rotating rod 4 can stably rotate along the second sleeve 14.

[0032] like Figure 1 to Figure 2 As shown, the oven includes a box body 26, and a double-door structure is installed on the box body 26. The double-door structure occupies a small space, has a simple structure, and is easy to implement. The user can open or close the double-sided sliding doors by opening or closing one side of the sliding door.

[0033] The above are only specific embodiments of the utility model, but the technical features of the utility model are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the utility model to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the utility model.

Claims

1. A double door structure, comprising a first sliding door and a second sliding door, characterized in that: The first rotating rod comprises a first rotating rod, which is arranged on the first sliding door and drives the first sliding door to rotate by rotating. a second rotating rod, the second rotating rod being disposed on the second sliding door and driving the second sliding door to rotate by rotating; The linkage device comprises a first transmission wheel and a second transmission wheel, the first rotating rod is provided with a third transmission wheel, the first transmission wheel and the third transmission wheel are provided with a first transmission assembly, the first transmission assembly is used to cause the first transmission wheel and the third transmission wheel to rotate in the same direction, the second rotating rod is provided with a fourth transmission wheel, the second transmission wheel and the fourth transmission wheel are provided with a second transmission assembly, the second transmission assembly is used to cause the second transmission wheel and the fourth transmission wheel to rotate in the same direction, A steering member is provided between the first transmission wheel and the second transmission wheel, and the steering member drives the first transmission wheel and the second transmission wheel to rotate, and the first transmission wheel and the second transmission wheel rotate in opposite directions.

2. The double door structure according to claim 1, characterized in that: The first transmission assembly adopts a transmission belt, and the transmission belt is sleeved on the outer sides of the first transmission wheel and the third transmission wheel.

3. The double door structure according to claim 1, characterized in that: The steering member includes a bracket, and a first bevel gear, a second bevel gear and a third bevel gear rotatably arranged on the bracket, the first bevel gear and the second bevel gear are arranged up and down, the first bevel gear and the second bevel gear are both meshed and connected with the third bevel gear, and the third bevel gear enables the first bevel gear and the second bevel gear to rotate in two opposite directions through meshing transmission, the first transmission wheel is arranged on the first bevel gear, and the second transmission wheel is arranged on the second bevel gear, so that the rotation directions of the first transmission wheel and the second transmission wheel are opposite.

4. The double door structure according to claim 3, characterized in that: It also includes a connecting shaft, the second bevel gear is fixedly arranged on the connecting shaft, and the first bevel gear is rotatably arranged on the connecting shaft, so that the first bevel gear and the second bevel gear are arranged up and down along the connecting shaft.

5. The double door structure according to claim 4, characterized in that: The second transmission wheel is fixedly arranged on the connecting shaft, so that the second transmission wheel is indirectly fixed on the second bevel gear.

6. The double door structure according to claim 3, characterized in that: The first bevel gear is provided with a first rotating shaft, the bracket is provided with a first rotating hole, a clamping groove is provided on the outer side of the first rotating shaft, a clamping ring is embedded in the clamping groove, the diameter of the clamping ring is larger than the diameter of the first rotating hole, and the clamping ring limits the first rotating shaft to rotate in the first rotating hole by abutting against the bracket.

7. The double door structure according to claim 6, characterized in that: The first rotating shaft is provided with a bearing, and the bearing is used to drive the first rotating shaft to rotate.

8. The double door structure according to claim 1, characterized in that: The first sliding door is provided with a first limiting groove, and the first limiting groove is provided with a first opening. The first rotating rod is inserted into the first limiting groove through the first opening. A limiting plate is detachably provided at the first opening. The limiting plate limits the first rotating rod in the first limiting groove by closing the first opening.

9. The double door structure according to claim 1, characterized in that: It also includes a first fixing seat, on which a first sleeve is disposed, and in which the first rotating rod is rotatably disposed.

10. An oven, comprising a housing, characterized in that: The double-door structure according to any one of claims 1 to 9 is installed on the box body.

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