Door lock mechanism for dish washing machine

Abstract

The utility model relates to the technical field of opening and closing doors of dishwashers, and provides a door lock mechanism for a dishwasher, which comprises a first lock piece and a second lock piece which are arranged on a lock rod and used for being matched with a lock seat, the first lock piece and the second lock piece are oppositely arranged, and the first lock piece and the second lock piece are elastically and movably arranged on the lock rod; a lock catch position for elastically clamping the lock seat is formed between the first lock piece and the second lock piece; the lock seat is separated from and guided into the lock catch position under the action of external force and triggers elastic movement of the first lock piece and the second lock piece, so that elastic buckling and elastic releasing are completed among the first lock piece, the second lock piece and the lock seat. When the lock seat and the lock rod are buckled and separated, the first lock piece and the second lock piece are triggered to elastically move, so that the first lock piece and the second lock piece respectively move to a locking position and an unlocking position, and the lock seat can be forcibly separated under the action of external force when the lock rod is buckled.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of dish-washing machine door opening and closing, and particularly relates to a door lock mechanism for a dish-washing machine. BACKGROUND

[0002] The existing dish-washing machine is usually provided with a door pusher, which only has the function of pushing out the door body of the dish-washing machine. No structure is arranged on the push rod of the door pusher to be buckled with the door body of the dish-washing machine, resulting in that a locking structure is arranged between the door body and the inner container of the dish-washing machine or between the door body and the box body of the dish-washing machine, and the structure on the push rod is not reasonably utilized.

[0003] For example, a dish-washing machine door pusher assembly and a dish-washing machine having the same are disclosed in Chinese Patent No. ZL202222246756.7. A driving device drives a transmission device to move, so as to drive the push rod to push open the door body assembly or make the push rod retract backward. SUMMARY

[0004] The utility model provides a kind of door lock mechanism for dish-washing machine, lock seat and lock rod buckle and trigger first lock piece, second lock piece elastic activity when being separated, to make first lock piece and second lock piece respectively move to locking position and unlocking position, lock seat can be forcibly separated under the action of external force while being buckled with lock rod, and first lock piece and second lock piece are respectively elastically arranged on lock rod, with durable characteristics, And when lock seat forcibly buckles, the jamming feeling is smaller, and the user is easy to separate and buckle lock seat on lock rod.

[0005] A door lock mechanism for dish-washing machine designed for this purpose includes a first lock piece and a second lock piece arranged on a lock rod and used to cooperate with a lock seat. The first lock piece and the second lock piece are arranged in opposite directions and are elastically arranged on the lock rod.

[0006] The first lock piece and the second lock piece form a lock buckle position for elastically clamping the lock seat.

[0007] The lock seat is separated and guided into the lock buckle position under the action of external force and triggers the elastic movement of the first lock piece and the second lock piece, so as to complete the elastic buckling and elastic separation between the first lock piece, the second lock piece and the lock seat.

[0008] The first lock piece and the second lock piece are respectively arranged on the lock rod in elastic rotation or elastic axial movement.

[0009] The first lock piece and the second lock piece are respectively installed on the lock rod, or the first lock piece and the second lock piece are commonly installed on a bracket, and the first lock piece, the second lock piece and the bracket are assembled into a lock piece module installed on the lock rod.

[0010] The first and second locking members are completely concealed in the lock rod, or one end of each of the first and second locking members extends out of the lock rod.

[0011] The lock rod is provided with a first opening part in communication with the lock catch position, and the lock seat is guided into and out of the lock catch position along the first opening part.

[0012] The lock rod is provided with a mounting part for accommodating the first and second locking members, and the first and second locking members are respectively limited to move on the mounting part when the first and second locking members are respectively elastically buckled and unbuckled with the lock seat.

[0013] The mounting part is provided with a second opening part in communication with the lock catch position, and the first and second locking members are respectively elastically acted on the lock seat along the second opening part when the first and second locking members are respectively elastically buckled with the lock seat.

[0014] The lock seat is provided with a guide surface for guiding into and out of the lock catch position.

[0015] The lock rod is axially telescoped in the housing, the housing is provided with a motor and a gear transmission assembly, the motor shaft of the motor is in transmission connection with one gear of the gear transmission assembly, and the other gear of the gear transmission assembly is in transmission connection with the lock rod.

[0016] The lock seat is arranged on the door body of the dishwasher, and the housing is arranged on the top of the inner container of the dishwasher.

[0017] The beneficial technical effects of the utility model are as follows:

[0018] The first and second locking members are elastically moved when the lock seat is buckled and unbuckled with the lock rod, so that the first and second locking members are respectively moved to the locking position and the unlocking position, the lock seat can be forcibly separated under the action of external force when the lock rod is buckled, the first and second locking members are respectively elastically arranged on the lock rod, have the characteristics of durability, and the lock seat has smaller jamming when forcibly buckled, the user can easily separate and buckle the lock seat on the lock rod, and the use experience of the user is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0020] Figure 1 It is a three-dimensional structure schematic view of the lock seat separating from the lock rod in the first embodiment of the utility model.

[0021] Figure 2 It is Figure 1Enlarged view at middle A.

[0022] Figure 3 The utility model discloses a second embodiment lock seat buckle in the stereoscopic structure diagram of lock rod.

[0023] Figure 4 For Figure 3 Enlarged view at middle B.

[0024] Figure 5 The utility model discloses a third embodiment lock seat buckle in the stereoscopic structure diagram of lock rod.

[0025] Figure 6 For Figure 5 Enlarged view at middle C.

[0026] Figure 7 The utility model discloses a third embodiment first lock piece and second lock piece common installation in the structure diagram of same support.

[0027] Figure 8 The utility model discloses a third embodiment lock piece module and lock rod assembly decomposition structure diagram.

[0028] Figure 9 The utility model discloses a third embodiment lock piece module and lock rod another orientation assembly decomposition structure diagram.

[0029] Figure 10 The utility model discloses a third embodiment two lock pieces respectively individual installation in the structure diagram of lock rod. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. In order to make the above purpose, features and advantages of the application more obvious and easy to understand, a lot of specific details are set forth in the following description to facilitate the full understanding of the application. But the application can be implemented in many other ways different from the description herein, and the person skilled in the art can make similar improvements without departing from the connotation of the application, therefore the application is not limited by the following disclosed specific embodiments.

[0031] First embodiment:

[0032] Referring to Figures 1-2 A door lock mechanism for a dishwasher, comprising a first lock piece 2 and a second lock piece 3 arranged on a lock rod 1 and used for cooperating with a lock seat 4, the first lock piece 2 and the second lock piece 3 are oppositely arranged, and the first lock piece 2 and the second lock piece 3 are elastically movably arranged on the lock rod 1;

[0033] The first lock 2 and the second lock 3 form a locking position 5 for elastically clamping the lock seat 4;

[0034] The lock seat 4 is separated from and introduced into the locking position 5 under the action of an external force and triggers the elastic movement of the first lock 2 and the second lock 3, so that the elastic buckling and elastic unbuckling between the first lock 2, the second lock 3 and the lock seat 4 are completed.

[0035] The first lock 2 and the second lock 3 are respectively arranged in elastic rotation or elastic axial movement on the lock rod 1.

[0036] The first lock 2 and the second lock 3 are respectively independently mounted on the lock rod 1, or the first lock 2 and the second lock 3 are jointly mounted on the bracket 10, and the first lock 2, the second lock 3 and the bracket 10 are assembled into a lock module mounted on the lock rod 1.

[0037] In this embodiment, the lock module can be independently detachably mounted on the lock rod 1, and the entire lock module can be disassembled and replaced on the lock rod 1, facilitating later maintenance.

[0038] The first lock 2 and the second lock 3 are completely concealed and mounted inside the lock rod 1, or one end of each of the first lock 2 and the second lock 3 extends out of the lock rod 1.

[0039] The lock rod 1 is provided with a first opening part 6 in communication with the locking position 5, and the lock seat 4 is introduced into and separated from the locking position 5 along the first opening part 6.

[0040] In this embodiment, the lock rod 1 is provided with the first opening part 6, and when the lock seat 4 is inserted into the locking position 5 and buckled with the lock rod 1, the first lock 2 and the second lock 3 elastically clamp the lock seat 4, so that the lock rod 1 has a space for inserting the lock seat 4 through the first opening part 6, avoiding that the lock seat 4 cannot be inserted between the first lock 2 and the second lock 3.

[0041] The lock rod 1 is provided with a mounting part 7 for accommodating and mounting the first lock 2 and the second lock 3, and when the first lock 2 and the second lock 3 respectively elastically buckle and unbuckle with the lock seat 4, the first lock 2 and the second lock 3 are respectively limited to move on the mounting part 7, and the mounting part 7 is provided with an inner cavity for elastic movement of the first lock 2 and the second lock 3.

[0042] The mounting part 7 is provided with a second opening part 8 in communication with the locking position 5, and when the first lock 2 and the second lock 3 respectively elastically buckle with the lock seat 4, the first lock 2 and the second lock 3 respectively elastically act on the lock seat 4 along the second opening part 8.

[0043] In this embodiment, the mounting part 7 is provided with the second opening part 8, which on the one hand facilitates the first lock 2 and the second lock 3 to extend out of the locking position 5 and elastically clamp the lock seat 4.

[0044] The lock seat 4 is provided with a guide surface 9 for guiding the lock catch position 5 to be introduced and separated, so as to facilitate the introduction and separation of the lock seat 4 between the first lock piece 2 and the second lock piece 3.

[0045] The lock rod 1 is axially telescoped in the shell 11, the shell 11 is provided with a motor and a gear transmission assembly, the motor shaft of the motor is in transmission connection with one of the gear transmission assembly, the other gear of the gear transmission assembly is in transmission connection with the lock rod 1, the motor drives the lock rod 1 to be axially telescoped in the shell 11 through the gear transmission assembly.

[0046] In the embodiment, the lock rod 1 is provided with a rack, the rack is arranged as a whole with the lock rod 1, the gear of the gear transmission assembly is in meshing with the rack of the lock rod 1, the motor shaft of the motor is connected with the gear of the gear transmission assembly, the motor drives the gear to rotate, the meshing transmission between the gears drives the lock rod 1 to axially reciprocate.

[0047] When the lock rod 1 axially reciprocates and is clamped with the door body of the dishwasher, the lock rod 1 can drive the door body of the dishwasher to be automatically opened and closed on the dishwasher.

[0048] The lock seat 4 is arranged on the door body of the dishwasher, the shell 11 is arranged on the top of the inner container of the dishwasher, the lock seat 4 of the door body of the dishwasher is clamped and separated from the lock rod 1 under the action of external force, so as to open and close the door body of the dishwasher on the dishwasher.

[0049] In the embodiment, the lock rod 1 is provided with two installation parts 7 arranged at intervals left and right, one of the installation parts 7 is provided with a first rotating shaft, the other installation part 7 is provided with a second rotating shaft, the first lock piece 2 and the second lock piece 3 are in a claw-shaped structure, the first lock piece 2 is provided with a first shaft hole connected with the first rotating shaft, the second lock piece 3 is provided with a second shaft hole connected with the second rotating shaft, a tension spring 11 is connected between the first lock piece 2 and the second lock piece 3, the first lock piece 2 is provided with a first clamping groove, the second lock piece 3 is provided with a second clamping groove, one end of the tension spring 11 is clamped in the first clamping groove, the other end of the tension spring 11 is clamped in the second clamping groove, different tension springs 11 are replaced to adjust the force of the lock seat 4 to be separated and clamped.

[0050] The tension spring 11 is above the lock seat 4 acted by the first lock piece 2 and the second lock piece 3, so as to avoid the interference between the tension spring 11 and the lock seat 4 when the lock seat 4 enters the first lock piece 2 and the second lock piece 3.

[0051] When the lock seat 4 enters between the first lock piece 2 and the second lock piece 3, the lock seat 4 forces the first lock piece 2 and the second lock piece 3 to elastically move, when the lock seat 4 enters the corresponding position, the first lock piece 2 and the second lock piece 3 are elastically reset, the first lock piece 2 and the second lock piece 3 elastically clamp the lock seat 4.

[0052] When the lock seat 4 forcibly separates from the first lock 2 and the second lock 3, the first lock 2 and the second lock 3 elastically move, and when the lock seat 4 separates to the corresponding position, the first lock 2 and the second lock 3 reset.

[0053] Second embodiment:

[0054] Referring to Figures 3-4 , the lock rod 1 is provided with two left and right spaced mounting portions 7, the first lock 2 and the second lock 3 are in the form of a ball, and the inner diameter of the second opening portion 8 of the two mounting portions 7 is smaller than the maximum diameter of the ball, so as to prevent the ball from being pulled out of the mounting portion 7.

[0055] In this embodiment, the mounting portion 7 is provided with a mounting hole, the first lock 2 and the first compression spring 12 are inserted into one of the mounting portions 7, and the first lock 2 and the first compression spring 12 are packaged in the mounting portion 7 through the first piston cover 14, and the second lock 3 and the second compression spring 13 are inserted into the other mounting portion 7, and the second lock 3 and the second compression spring 1 are packaged in the other mounting portion 7 through the second piston cover 15.

[0056] The piston cover is fixedly and detachably screwed on the mounting portion 7.

[0057] When the lock seat 4 enters between the first lock 2 and the second lock 3, the lock seat 4 forces the first lock 2 and the second lock 3 to elastically retract into the mounting portion 7, and when the lock seat 4 is inserted to the corresponding position, the first lock 2 and the second lock 3 elastically reset and clamp the lock seat 4.

[0058] The other parts not described are the same as the first embodiment, which will not be described in detail here.

[0059] Third embodiment:

[0060] Referring to Figures 5-9 , the lock rod 1 is provided with a mounting cavity 16 for mounting the bracket 10, the bracket 10 is provided with a mounting portion 7 for mounting the first lock 2 and the second lock 3, and the mounting portions 7 of the first lock 2 and the second lock 3 are in communication with each other; the bracket 10 is provided with a first slot 17 and a second slot 18 corresponding to the two locks on the top and the bottom of the bracket 10. The bracket 10 is also provided with a first torsional spring 19 and a second torsional spring 20, the bracket 10 is provided with a first rotating pin corresponding to the first torsional spring 19, the bracket 10 is provided with a second rotating pin corresponding to the second torsional spring 20, and the first rotating pin and the second rotating pin are fixed on the bracket 10 by rivets, so as to position and mount the first torsional spring 19 and the second torsional spring 20 on the bracket 10.

[0061] The first lock piece 2 and the second lock piece 3 each comprise a rotating shaft and a rotating wheel arranged on the rotating shaft, one end of the rotating shaft of the first lock piece 2 is limited on the first slot 17 on the top of the support 10, the other end of the rotating shaft of the first lock piece 2 is limited on the first slot 17 on the bottom of the support 10, and then the two ends of the rotating shaft of the first lock piece 2 are positioned on the first slot 17 by rivets. One end of the first torsion spring 19 elastically acts on the first lock piece 2.

[0062] One end of the rotating shaft of the second lock piece 3 is limited on the second slot 18 on the top of the support 10, the other end of the rotating shaft of the second lock piece 3 is limited on the second slot 18 on the bottom of the support 10, and then the two ends of the rotating shaft of the second lock piece 3 are positioned on the second slot 18 by rivets. One end of the second torsion spring 20 elastically acts on the second lock piece 3.

[0063] When the support 10, the first lock piece 2 and the second lock piece 3 are assembled and installed on the installation cavity 16 of the lock rod 1, the support 10 is fixed on the lock rod 1 by screws. The other end of the first torsion spring 19 elastically acts on the inside of the installation cavity 16, and the other end of the second torsion spring 20 elastically acts on the other inside of the installation cavity 16.

[0064] When the lock seat 4 enters between the first lock piece 2 and the second lock piece 3, the lock seat 4 forces the first lock piece 2 to move axially linearly along the first slot 17, and the second lock piece 3 to move axially linearly along the second slot 18, and when the lock seat 4 enters to the corresponding position, the first lock piece 2 and the second lock piece 3 are elastically reset.

[0065] Referring to Figure 10 Alternatively, the first lock piece 2 and the second lock piece 3 are separately installed on the lock rod 1, that is, the top and the bottom of the lock rod 1 are each provided with a slot structure, and the lock rod 1 is provided with the installation portion 7.

[0066] The other parts not described are the same as those of the first embodiment, and will not be described in detail here.

[0067] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0068] In the above description of the present application, it is to be understood that, if there appear the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0069] In addition, if the terms "first", "second" appear, these terms are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features referred to. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, if the term "multiple" appears, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0070] In the above description of the present application, unless otherwise explicitly specified and limited, if the terms "mounting", "connecting", "connecting", "fixing" and the like appear, these terms should be broadly understood. For example, it can be fixedly connected by screws, rivets or welding, etc., or it can be detachably connected, or it can be integrated by metal processing (die casting, deep drawing stamping, lathe machining, etc.), or by injection molding; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0071] In the above description of the present application, unless otherwise explicitly specified and limited, if the first feature appears "on" or "under" the second feature or similar description, the meaning can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0072] It is to be understood that the terms "fixed" and "set" with respect to one element on another element mean that the element can be directly on the other element or intervening elements can also be present. In addition, the term "connected" and / or "coupled" to one element to another element means that the elements can be directly connected to one another or intervening elements can also be present. As used herein, the terms "vertical", "horizontal", "up", "down", "left", "right", and the like as can be used in this description and / or the appended claims are made only for the purpose of illustration and not as a limitation.

Claims

1. A door lock mechanism for a dishwasher, characterized in that: The utility model relates to a lock device, including the first lock piece (2) and the second lock piece (3) for being set on the lock rod (1) and being used for cooperating with the lock seat (4), the first lock piece (2) and the second lock piece (3) are opposite arrangement, and the first lock piece (2) and the second lock piece (3) are elastically active setting on the lock rod (1), The first lock piece (2) and the second lock piece (3) form the lock catch position (5) for the elastic clamping lock seat (4) between them, The lock seat (4) is under the action of external force and is separated from and introduced into the lock catch position (5) and triggers the elastic movement of the first lock piece (2) and the second lock piece (3), so that the elastic buckling and elastic tripping between the first lock piece (2), the second lock piece (3) and the lock seat (4) are completed.

2. The door locking mechanism for a dishwasher according to claim 1, characterized in that: The first lock piece (2) and the second lock piece (3) are respectively arranged in elastic rotation or elastic axial movement on the lock rod (1).

3. The door locking mechanism for a dishwasher according to claim 1, characterized in that: The first lock piece (2) and the second lock piece (3) are respectively installed on the lock rod (1) alone, or the first lock piece (2) and the second lock piece (3) are commonly installed on the support (10), and the first lock piece (2), the second lock piece (3) and the support (10) are assembled into a lock piece module installed on the lock rod (1).

4. The door locking mechanism for a dishwasher according to claim 1, characterized in that: The first lock piece (2) and the second lock piece (3) are completely concealed and installed inside the lock rod (1), or one end of the first lock piece (2) and the second lock piece (3) respectively extends out of the lock rod (1).

5. The door locking mechanism for a dishwasher according to claim 1, wherein: The lock rod (1) is provided with a first opening portion (6) communicated with the lock catch position (5), and the lock seat (4) is introduced into and separated from the lock catch position (5) along the first opening portion (6).

6. The door locking mechanism for a dishwasher according to claim 1, characterized in that: The lock rod (1) is provided with a mounting portion (7) for accommodating and installing the first lock piece (2) and the second lock piece (3), and when the first lock piece (2) and the second lock piece (3) are elastically buckled and tripped with the lock seat (4) respectively, the first lock piece (2) and the second lock piece (3) are respectively limited to move on the mounting portion (7), and the mounting portion (7) is provided with an inner cavity for the elastic movement of the first lock piece (2) and the second lock piece (3).

7. The door locking mechanism for a dishwasher according to claim 6, characterized in that: The mounting portion (7) is provided with a second opening portion (8) communicated with the lock catch position (5), and when the first lock piece (2) and the second lock piece (3) are elastically buckled with the lock seat (4) respectively, the first lock piece (2) and the second lock piece (3) are respectively elastically acted on the lock seat (4) along the second opening portion (8).

8. The door locking mechanism for a dishwasher according to claim 1, characterized in that: The lock seat (4) is provided with a guide surface (9) for introducing and separating from the lock catch position (5).

9. The door locking mechanism for a dishwasher according to claim 1, wherein: The lock rod (1) is axially telescopic arranged in the shell (11), the shell (11) is provided with a motor and a gear transmission assembly, the motor shaft of the motor is in transmission connection with one gear of the gear transmission assembly, and the other gear of the gear transmission assembly is in transmission connection with the lock rod (1), and the motor drives the lock rod (1) to be axially telescopic arranged in the shell (11) through the gear transmission assembly.

10. The door locking mechanism for a dishwasher according to claim 9, characterized in that: The lock seat (4) is arranged on the door body of the dishwasher, the shell (11) is arranged on the top of the inner container of the dishwasher, and the lock seat (4) of the door body of the dishwasher is buckled and separated from the lock rod (1) under the action of external force, so as to open and close the door body of the dishwasher on the dishwasher.

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