Door opening and closing structure of drawer type kitchen appliance

Abstract

The utility model discloses a door opening and closing structure of a drawer type kitchen electric appliance, which comprises a kitchen electric 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 assembly, 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. According to the utility model, the consistency and stability of left and right door opening and closing can be realized, thereby ensuring the reliability of the product, avoiding the asynchronous condition, avoiding the failure of door opening and closing, and ensuring the normal operation of the motor.

Description

Technical Field

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

[0002] Currently, there are many ways to open and close drawer-type kitchen appliances on the market, including 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 driven parts 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 open and close failure, motor jamming, motor burning and other adverse consequences. Summary of the Invention

[0003] The purpose of the present utility model 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-mentioned purpose, the present invention provides a switch door structure for 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 assembly. The drawer movement mechanism includes a drive module and a transmission module. The transmission module includes a transmission wheel group connected to the drive module, a transmission base fixed inside the kitchen appliance body, and two sets of synchronizers arranged on the transmission base. The transmission wheel group is connected to a drive rod. The two sides of the drive rod are respectively linked to the synchronizers. The two ends of the drive 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 position 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 synchronizer rack, and synchronizer gears meshing with the synchronizer are provided 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 fixed 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 existing technology, the present invention has the following advantages: the present invention provides the opening and closing power of the drawer door through the driving module, transmits the force to the middle part of the driving rod through the transmission wheel group, and drives 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 door opening and closing, 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 following briefly introduces the drawings required for use in the embodiments or the description of the prior art. 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 any creative work.

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

[0019] Figure 2 yes Figure 1 Schematic diagram of the structure with the outer shell removed;

[0020] Figure 3 This is a structural diagram of the drawer motion mechanism of the utility model;

[0021] Figure 4 This is a schematic structural diagram of the active drive assembly of the utility model;

[0022] Figure 5 It is a structural diagram of the driven drive assembly of the utility model;

[0023] Figure 6 This is an exploded schematic diagram of the transmission module, drive rod and transmission base of the utility model;

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

[0025] Included in the diagram 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 mounting bracket; 312. Drive motor; 313. Second transmission gear; 314. Gear belt; 32. Drive module; 33. Drive wheel assembly; 331. Active drive assembly; 3311. First mounting bracket; 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 following will be combined with the drawings in this embodiment of the present invention to clearly and completely describe the technical solution in this embodiment of the present invention. Obviously, the embodiment described is only 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 making creative efforts are within the scope of protection of this utility model.

[0028] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various 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 utility model 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: Figures 1 to 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 motion mechanism 3 is arranged inside the kitchen appliance body 1 and connected to the drawer door 23. The drawer motion mechanism 3 includes a drive module 31 and a transmission module 32. The transmission module 32 includes a transmission wheel group 33 connected to the drive module 31, a transmission base 34 fixed inside the kitchen appliance body 1, and two sets of synchronizers 35 arranged on the transmission base 34. The transmission wheel group 33 is connected to a drive rod 36. The two sides of the drive rod 36 are respectively linked to the synchronizers 35. The two ends of the drive 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 above-mentioned 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 set on one side of the first fixing frame 3311 and a first transmission gear 3313 movably set in the first fixing frame 3311. The first transmission gear 3313 and the main driving gear 3312 are linked by a first transmission shaft 3314. Further, the first fixing frame 3311 is also connected to a first fixing piece 3315. Bearings 3316 are installed on the front and rear sides of the component 3315. The first transmission shaft 3314 links the first transmission gear 3313 and the main drive 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 on 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 synchronizer 35 of this embodiment is a synchronous rack, and synchronous gears 361 meshing with the synchronizer 35 are provided 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 assembly 362 is connected to the middle position of the driving rod 36, and the fixing assembly 362 is fixedly connected to the synchronous belt 333. The above-mentioned fixing assembly 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. 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 wings of the transmission base 34. 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. 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 can be limit sensors, etc. By setting the semi-circular 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. The other side of the synchronous belt 333 is provided with a driven wheel 3322 to assist the rotation of the synchronous belt 333. The driving rod 36 is connected to the second fixing member 36. 21 and the third fixing member 3622 cooperate to achieve a fixed connection with the synchronous belt 333, so that the driving rod 36 will move forward with the synchronous belt 333, especially the synchronous gears 361 provided on both sides of the driving rod 36 engage with the synchronous member 35, so that the two sides of the driving rod 36 can move synchronously, thereby avoiding the occurrence of asynchronous situations. 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, thereby realizing the opening of the drawer door 23. When closing the door, the motor only 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 replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A switch door structure for 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 the kitchen appliance body (1) and connected to the drawer door assembly (2), 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 synchronizers (35) arranged on the transmission base (34), the transmission wheel group (33) is connected to a drive rod (36), both sides of the drive rod (36) are respectively linked to the synchronizers (35), and both ends of the drive 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) includes an active drive assembly (331), a driven drive assembly (332), and a synchronous belt (333) for connecting the active drive assembly (331) and the driven drive assembly (332). The active drive assembly (331) includes a first fixed frame (3311) fixed on a transmission base (34), a main drive gear (3312) arranged on one side of the first fixed frame (3311), and a first transmission gear (3313) movably arranged in the first fixed frame (3311). The first transmission gear (3313) and the main driving gear (3312) are linked via a first transmission shaft (3314); the driven drive assembly (332) comprises a second fixed frame (3321) fixed to the transmission base (34) on the other side away from the active drive assembly (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 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) fixed to the interior of the kitchen appliance body (1), a driving motor (312) fixed to 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 position 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) includes a second fixing member (3621) and a third fixing member (3622), wherein the second fixing member (3621) is a cylindrical structure and is sleeved on the middle position of the driving rod (36), and recessed portions (36211) are provided at the upper and lower ends of the second fixing member (3621), and the third fixing member (3622) is a frame structure, and the third fixing member (3622) is inserted into the recessed portion (36211) and connected to the second fixing member (3621), and 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.

6. The switch door structure of a drawer-type kitchen appliance according to claim 2, characterized in that: The synchronizer (35) is a synchronized rack, and synchronized gears (361) meshing with the synchronizer are provided on both sides of the drive 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). The driving rod (36) passes through the semi-circular arc groove (3411) and is connected to 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), both 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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