Door opening and closing structure of drawer type kitchen appliance

Abstract

The invention discloses a drawer type kitchen appliance door opening and closing structure which comprises a kitchen appliance body provided with a drawer door assembly. The drawer movement mechanism is arranged in the kitchen appliance body and connected with the drawer door, the drawer movement mechanism comprises a driving module and a transmission module, and the transmission module comprises a transmission wheel set connected with the driving module, a transmission base fixedly arranged in the kitchen appliance body and two synchronous pieces arranged on the transmission base; the transmission wheel set is connected with a driving rod, the two sides of the driving rod are in linkage with the synchronous pieces respectively, and the two ends of the driving rod are connected with the drawer door assembly so as to drive the drawer door assembly to be opened and closed. Consistency and stability of left and right door opening and closing can be achieved, so that product reliability is guaranteed, the asynchronous situation is avoided, door opening and closing failure is avoided, and normal operation of a motor is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of microwave oven equipment, and in particular to a switch door structure of a drawer-type kitchen appliance. Background Art

[0002] At present, there are many ways to open and close drawer-type kitchen appliances on the market, manual, semi-automatic or fully automatic. Among them, automatic opening and closing doors all use a single-sided motor drive, that is, the driving motor is placed on one slide rail, and the other one or two slide rails are the driven part and do not participate in the drive. This method has a very big disadvantage. When the other one or two slide rails are not synchronized, or the assembly deviation is large, it is easy to cause the door to fail to open, the motor to get stuck, the motor to burn out and other adverse consequences. Summary of the invention

[0003] The purpose of the present invention is to overcome the above-mentioned defects in the prior art and provide a switch door structure for a drawer-type kitchen appliance, which can achieve consistency and stability in the opening and closing of the left and right doors, thereby ensuring the reliability of the product, preventing asynchrony, avoiding failure of the opening and closing doors, and ensuring the normal operation of the motor.

[0004] To achieve the above object, the present invention provides a switch door structure of a drawer-type kitchen appliance, comprising:

[0005] A kitchen appliance body, wherein the kitchen appliance body is provided with a drawer door assembly;

[0006] A drawer movement mechanism is arranged inside the kitchen appliance body and connected to the drawer door, the drawer movement mechanism includes a driving module and a transmission module, the transmission module includes a transmission wheel group connected to the driving module, a transmission base fixed inside the kitchen appliance body and two groups of synchronous parts arranged on the transmission base, the transmission wheel group is connected to a driving rod, both sides of the driving rod are respectively linked with the synchronous parts, and both ends of the driving rod are connected to the drawer door assembly to drive the opening and closing of the drawer door assembly.

[0007] Furthermore, the transmission wheel group includes an active drive component, a driven drive component and a synchronous belt for connecting the active drive component and the driven drive component, the active drive component includes a first fixed frame fixed on the transmission base, a main drive gear arranged on one side of the first fixed frame and a first transmission gear movably arranged in the first fixed frame, the first transmission gear and the main drive gear are linked by a first transmission shaft, the driven drive component includes a second fixed frame fixed on the other side of the transmission base away from the active drive component and a driven wheel arranged on the second fixed frame, the first transmission gear and the driven wheel are linked by the above-mentioned synchronous belt.

[0008] Furthermore, the driving module includes a motor fixing bracket fixed to the inside of the kitchen appliance body, a driving motor fixed on the motor fixing bracket, and a second transmission gear connected to the driving motor, and the second transmission gear is connected to the first transmission gear through a gear belt.

[0009] Furthermore, a fixing component is connected to the middle section of the driving rod, and the fixing component is fixedly connected to the synchronous belt.

[0010] Furthermore, the fixing assembly includes a second fixing member and a third fixing member, the second fixing member is a cylindrical structure and is sleeved on the middle position of the driving rod, recessed portions are provided at the upper and lower ends of the second fixing member, the third fixing member is a frame structure, the third fixing member is inserted into the recessed portion and connected to the second fixing member, and concave snap-in grooves are formed at both ends of the third fixing member, and the snap-in grooves wrap the synchronous belt to achieve linkage.

[0011] Furthermore, the synchronizer is a synchronized rack, and synchronized gears meshing with the synchronizer are arranged on both sides of the drive rod.

[0012] Furthermore, the side wings of the transmission base extend upward to form a limiting portion, and a semi-circular arc groove is provided on the limiting portion. The driving rod passes through the semi-circular arc groove and is connected to the drawer door assembly.

[0013] Furthermore, the drawer door assembly includes a slide rail fixedly arranged inside the kitchen appliance body, a slide rail support frame connected to the slide rail, and a drawer door connected to the slide rail support frame.

[0014] Furthermore, it also includes a connecting piece, wherein both ends of the driving rod are provided with threads, one end of the connecting piece is connected to the slide rail support frame, and the other end of the connecting piece is connected to the end of the driving rod through a bolt.

[0015] Furthermore, signal collecting devices are provided at both ends of the semicircular arc groove.

[0016] Compared with the prior art, the present invention has the following advantages: the present invention provides the opening and closing power of the drawer door through the driving module, and transmits the force to the middle part of the driving rod through the transmission wheel group, thereby driving the driving rod to rotate synchronously. The two ends of the driving rod are connected to the slide rails of the drawer door, and the two sides of the driving rod are connected with synchronization parts. The synchronization parts cooperate with the driving rod to realize left and right synchronous dual drive, which ensures the consistency and stability of the left and right opening and closing of the doors, thereby ensuring the reliability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of a switch door structure of a drawer-type kitchen appliance of the present invention;

[0019] Figure 2 yes Figure 1 A schematic diagram of the structure in which the outer shell is removed;

[0020] Figure 3 It is a structural schematic diagram of the drawer motion mechanism of the present invention;

[0021] Figure 4 is a schematic structural diagram of the active drive assembly of the present invention;

[0022] Figure 5 is a schematic structural diagram of a driven drive assembly of the present invention;

[0023] Figure 6 It is an exploded schematic diagram of the transmission module, the driving rod and the transmission base of the present invention;

[0024] Figure 7 yes Figure 6 A magnified schematic diagram of area A in the middle.

[0025] Included in the figure are:

[0026] 1. Kitchen appliance body; 2. Drawer door assembly; 21. Slide rail; 22. Slide rail support frame; 23. Drawer door; 3. Drawer movement mechanism; 31. Drive module; 311. Motor fixing frame; 312. Drive motor; 313. Second transmission gear; 314. Gear belt; 32. Drive module; 33. Drive wheel set; 331. Active drive assembly; 3311. First fixing frame; 3312. Main drive gear; 3313. First transmission gear; 3314. First transmission Drive shaft; 3315, first fixing member; 3316, bearing; 332, driven drive assembly; 3321, second fixing frame; 3322, driven wheel; 333, synchronous belt; 34, transmission base; 341, limiting portion; 3411, semicircular arc groove; 35, synchronous member; 36, driving rod; 361, synchronous gear; 362, fixing assembly; 3621, second fixing member; 36211, recessed portion; 3622, third fixing member; 36221, snap-in groove. DETAILED DESCRIPTION

[0027] The technical scheme in this embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in this embodiment of the present invention. Obviously, the described embodiment is one embodiment of the present invention, not all embodiments of the present invention. Based on this embodiment of the present invention, all other embodiments of the present invention obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as described in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0029] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features.

[0030] See also Figures 1 to 7 , an embodiment of the present invention provides a switch door structure of a drawer-type kitchen appliance.

[0031] The switch door structure of the drawer-type kitchen appliance of this embodiment is as follows: Figure 1 to Figure 2 As shown, including:

[0032] The kitchen appliance body 1 is provided with a drawer door assembly 2, such as Figure 2 As shown, the drawer door assembly 2 includes a slide rail 21 fixedly arranged inside the kitchen appliance body 1, a slide rail support frame 22 connected to the slide rail 21, and a drawer door 23 connected to the slide rail support frame 22;

[0033] A drawer movement mechanism 3 is arranged inside the kitchen appliance body 1 and connected to the drawer door 23. The drawer movement mechanism 3 includes a driving module 31 and a transmission module 32. The transmission module 32 includes a transmission wheel group 33 connected to the driving module 31, a transmission base 34 fixed inside the kitchen appliance body 1, and two groups of synchronizers 35 arranged on the transmission base 34. The transmission wheel group 33 is connected to a driving rod 36. Both sides of the driving rod 36 are respectively linked with the synchronizers 35. Both ends of the driving rod 36 are connected to the drawer door assembly 2 to drive the drawer door assembly 2 to open and close.

[0034] Specifically, as 2 to Figure 4As shown, the transmission wheel group 33 includes an active driving component 331, a driven driving component 332 and a synchronous belt 333 for connecting the active driving component 331 and the driven driving component 332. The active driving component 331 includes a first fixing frame 3311 fixed on the transmission base 34, a main driving gear 3312 arranged on one side of the first fixing frame 3311 and a first transmission gear 3313 movably arranged in the first fixing frame 3311. The first transmission gear 3313 is linked with the main driving gear 3312 through a first transmission shaft 3314. Further, the first fixing frame 3311 is also connected to a first fixing member 3315. Bearings 3316 are installed on both the front and rear sides of the member 3315. The first transmission shaft 3314 links the first transmission gear 3313 and the main driving gear 3312 through the above-mentioned two bearings. The active drive component 331 and the driven drive component 332 include a second fixed frame 3321 fixed to the other side of the transmission base 34 away from the active drive component 331 and a driven wheel 3322 arranged on the second fixed frame 3321. The first transmission gear 3313 and the driven wheel 3322 are linked through the above-mentioned synchronous belt 333. The synchronous member 35 of this embodiment is a synchronous rack, and synchronous gears 361 meshing with the synchronous member 35 are arranged on both sides of the drive rod 36.

[0035] like Figure 5 As shown, the driving module 31 of this embodiment includes a motor fixing bracket 311 fixed to the inside of the kitchen appliance body 1, a driving motor 312 fixed on the motor fixing bracket 311, and a second transmission gear 313 connected to the driving motor 312. The second transmission gear 313 is connected to the first transmission gear 3313 through a gear belt 314.

[0036] like Figure 6 and Figure 7 As shown, a fixing component 362 is connected to the middle section of the driving rod 36, and the fixing component 362 is fixedly connected to the synchronous belt 333. The above-mentioned fixing component 362 includes a second fixing member 3621 and a third fixing member 3622. The second fixing member 3621 is a cylindrical structure and is sleeved on the middle position of the driving rod 36. Recesses 36211 are provided at the upper and lower ends of the second fixing member 3621. The third fixing member 3622 is a frame structure. The third fixing member 3622 is inserted into the recessed portion 36211 and connected to the second fixing member 3621. Concave snap-in grooves 36221 are formed at both ends of the third fixing member 3622, and the snap-in grooves 36221 wrap the synchronous belt 333 to achieve linkage.

[0037] In order to ensure that the drive rod 36 drives the drawer door 23 and the accuracy of its movement, a limit portion 341 is extended upward on the side wing of the transmission base 34, and a semi-circular arc groove 3411 is provided on the limit portion 341. The drive rod 36 passes through the semi-circular arc groove 3411 and is connected to the drawer door assembly 2. It also includes a connecting piece 24, and the two ends of the drive rod 36 are provided with threads. One end of the connecting piece 24 is connected to the slide rail support frame 22, and the other end of the connecting piece 24 is connected to the end of the drive rod 36 through a bolt. Signal collecting devices are provided at both ends, which may be limit sensors, etc. By setting the semicircular arc groove 3411, the end of the driving rod 36 can avoid shaking up and down due to external force when moving, and the moving stroke of the driving rod 36 can be accurately limited to avoid the drawer door 23 from derailing. A signal collecting device is further provided. When the driving rod 36 reaches the specified position, the signal collecting device will give a signal to the driving motor 312, thereby stopping the door opening and closing action.

[0038] The working principle of the present invention is briefly described as follows: when the drawer door 23 needs to be opened, the driving motor 312 is started, and the second transmission gear 313 and the main driving gear 3312 are driven to rotate in sequence. The first transmission gear 3313 is driven by the main driving gear 3312 to drive the first transmission gear 3313 to rotate, and then the first transmission gear 3313 drives the synchronous belt 333 to rotate. A driven wheel 3322 is arranged on the other side of the synchronous belt 333 to assist the rotation of the synchronous belt 333. The driving rod 36 is fixedly connected with the synchronous belt 333 through the cooperation of the second fixing member 3621 and the third fixing member 3622, so that the driving rod 36 will move forward with the synchronous belt 333, especially the synchronous gears 361 arranged on both sides of the driving rod 36 are meshed with the synchronous member 35, so that the two sides of the driving rod 36 can realize synchronous movement, and the occurrence of asynchronous situation can be avoided. At the same time, the two ends of the driving rod 36 drive the drawer door 23 to move outward along the slide rail 21 through the connecting member 24 to realize the opening of the drawer door 23. When closing the door, only the motor needs to run in reverse.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A switch door structure of a drawer-type kitchen appliance, characterized in that: include: A kitchen appliance body (1), wherein the kitchen appliance body (1) is provided with a drawer door assembly (2); A drawer movement mechanism (3) is arranged inside a kitchen appliance body (1) and connected to the drawer door (23), the drawer movement mechanism (3) comprising a drive module (31) and a transmission module (32), the transmission module (32) comprising a transmission wheel group (33) connected to the drive module (31), a transmission base (34) fixed inside the kitchen appliance body (1), and two groups of synchronous members (35) arranged on the transmission base (34), the transmission wheel group (33) is connected to a driving rod (36), both sides of the driving rod (36) are respectively linked to the synchronous members (35), and both ends of the driving rod (36) are connected to the drawer door assembly (2) to drive the drawer door assembly (2) to open and close.

2. The switch door structure of a drawer-type kitchen appliance according to claim 1, characterized in that: The transmission wheel assembly (33) comprises an active drive assembly (331), a passive drive assembly (332) and a synchronous belt (333) for connecting the active drive assembly (331) and the passive drive assembly (332); the active drive assembly (331) comprises a first fixed frame (3311) fixedly mounted on a transmission base (34), a main driving gear (3312) disposed on one side of the first fixed frame (3311) and a first transmission gear (3313) movably disposed in the first fixed frame (3311); The first transmission gear (3313) is linked to the main driving gear (3312) via a first transmission shaft (3314); the driven driving assembly (332) comprises a second fixed frame (3321) fixed to the transmission base (34) on the other side away from the active driving assembly (331) and a driven wheel (3322) arranged on the second fixed frame (3321); the first transmission gear (3313) is linked to the driven wheel (3322) via the above-mentioned synchronous belt (333).

3. The switch door structure of a drawer-type kitchen appliance according to claim 2, characterized in that: The driving module (31) comprises a motor fixing frame (311) fixedly connected to the interior of the kitchen appliance body (1), a driving motor (312) fixedly mounted on the motor fixing frame (311), and a second transmission gear (313) connected to the driving motor (312); the second transmission gear (313) is connected to the first transmission gear (3313) via a gear belt (314).

4. The switch door structure of a drawer-type kitchen appliance according to claim 2, characterized in that: A fixing assembly (362) is connected to the middle section of the driving rod (36), and the fixing assembly (362) is fixedly connected to the synchronous belt (333).

5. The switch door structure of a drawer-type kitchen appliance according to claim 4, characterized in that: The fixing assembly (362) comprises a second fixing member (3621) and a third fixing member (3622); the second fixing member (3621) is a tubular structure and is sleeved on the middle position of the driving rod (36); recessed portions (36211) are provided at the upper and lower ends of the second fixing member (3621); the third fixing member (3622) is a frame structure; the third fixing member (3622) is inserted into the recessed portion (36211) and is connected to the second fixing member (3621); concave snap-in grooves (36221) are formed at both ends of the third fixing member (3622); the snap-in grooves (36221) wrap the synchronous belt (333) to achieve linkage.

6. The switch door structure of a drawer-type kitchen appliance according to claim 2, characterized in that: The synchronous member (35) is a synchronous rack, and synchronous gears (361) meshing with the synchronous member are arranged on both sides of the driving rod (36).

7. The switch door structure of a drawer-type kitchen appliance according to claim 2, characterized in that: The side wings of the transmission base (34) extend upward to form a limiting portion (341), and a semi-circular arc groove (3411) is provided on the limiting portion (341), and the driving rod (36) passes through the semi-circular arc groove (3411) to be connected with the drawer door assembly (2).

8. The switch door structure of a drawer-type kitchen appliance according to claim 7, characterized in that: The drawer door assembly (2) comprises a slide rail (21) fixedly arranged inside the kitchen appliance body (1), a slide rail support frame (22) connected to the slide rail (21), and a drawer door (23) connected to the slide rail support frame (22).

9. The switch door structure of a drawer-type kitchen appliance according to claim 8, characterized in that: It also includes a connecting piece (24), the two ends of the driving rod (36) are provided with threads, one end of the connecting piece (24) is connected to the slide rail support frame (22), and the other end of the connecting piece (24) is connected to the end of the driving rod (36) through a bolt.

10. The switch door structure of a drawer-type kitchen appliance according to claim 7, characterized in that: Signal collecting devices are provided at both ends of the semicircular arc groove (3411).

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