CN110344669B

CN110344669B - Door lock structure and cleaning machine with same

Info

Publication number: CN110344669B
Application number: CN201910573141.5A
Authority: CN
Inventors: 朱开杰; 王式兴
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2021-01-15
Anticipated expiration: 2039-06-28
Also published as: CN110344669A

Abstract

The invention relates to a door lock structure and a cleaning machine applying the door lock structure, wherein the door lock structure comprises a mounting plate, an ejector rod, a locking plate, a first elastic piece, a trigger assembly, a first sliding block and a switch assembly; when the locking is needed, the upper end of the ejector rod moves upwards, the locking plate is driven to move backwards through the trigger assembly, and after the ejector rod moves upwards, the locking plate moves forwards under the action of the first elastic piece, so that the locking tongue is inserted into a locking opening of the ejector rod, and the locking is completed; when the lock needs to be unlocked, the switch assembly drives the first sliding block to move backwards, so that the trigger assembly drives the locking plate to move backwards to enable the lock tongue to exit from the lock opening, and at the moment, the ejector rod can downwardly exit from the lock hole to finish unlocking; the whole process is simple and reliable and is convenient to realize.

Description

Door lock structure and cleaning machine with same

Technical Field

The invention relates to a door lock structure and a cleaning machine applying the same.

Background

For the box body with the functional inner cavity, due to functional requirements, a door body capable of opening or covering the port is usually arranged at the port of the box body, and the door body needs to be locked relative to the box body in the using process of the box body.

For example, Chinese patent application No. CN200410043122.5, door opening and closing mechanism and dish washer having the same (application publication No. CN1550202A) discloses a structure comprising: a door rotatably disposed for opening and closing a dish inlet provided in the dish washing machine, and a rotation assisting mechanism for applying a rotation assisting force to the door in accordance with a rotation operation of the door; the rotation assisting mechanism applies a rotation assisting force to the door in a closing direction when the door is in a predetermined angle range from a closed state. Although the door body can be locked on the dish washing machine, the locking structure is complex, the dependence on electric parts and control modes is high, the action logic of the door lock is complex, faults are easy to occur, and the reliability is low.

Therefore, further improvements are needed for the current door lock structure.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide a door lock structure with low requirement on electric control logic and high reliability, aiming at the current situation of the prior art.

The second technical problem to be solved by the present invention is to provide a cleaning machine with the above door lock structure, aiming at the current situation of the prior art, the cleaning machine is convenient for opening and closing the door and improves the safety and reliability of the cleaning process.

The technical scheme adopted by the invention for solving the technical problems is as follows: a door lock structure characterized in that: comprises that

The mounting plate is provided with a lock hole;

the ejector rod is arranged below the mounting plate in a vertically movable manner, can penetrate through the lock hole when moving upwards, and is provided with a lock opening on the rear side wall;

the locking plate is arranged on the mounting plate and positioned on the rear side of the locking hole in a manner of moving back and forth relative to the locking hole, and a lock tongue capable of being inserted into the lock opening in a forward moving state of the locking plate is arranged at the front end of the locking plate;

the first elastic piece is arranged on the mounting plate and enables the locking plate to always keep a trend of moving towards the locking hole;

the trigger assembly is movably arranged on the mounting plate and can drive the locking plate to move backwards under the jacking force of the ejector rod;

the first sliding block is arranged on the mounting plate in a back-and-forth movement mode and is linked with the locking plate through a trigger assembly, and the locking plate is driven to move backwards when the first sliding block moves backwards; and

and the switch assembly is connected with the first sliding block and can drive the first sliding block to move back and forth.

As an improvement, the switch assembly comprises an electromagnetic signal automatic unlocking mechanism, a button and a second elastic piece, and the electromagnetic signal automatic unlocking mechanism is in electric signal connection with the controller and can independently drive the first sliding block to slide back and forth; the button can be arranged on the front side of the first sliding block in a back-and-forth movement mode, the button drives the first sliding block to move backwards in a backward movement state, and the second elastic piece is arranged between the button and the first sliding block and enables the button to always keep a forward movement trend. By adopting the structure, in a normal use state, the electromagnetic signal automatic unlocking mechanism can send a signal to the electromagnetic signal automatic unlocking mechanism through the switch key and the controller, and can be automatically unlocked by utilizing the electromagnetic signal automatic unlocking mechanism; and under the outage state, just can unblank through the cooperation of button and second elastic component, compromise electric control and mechanical control two kinds of modes, it is safer, reliable.

Preferably, the automatic electromagnetic signal unlocking mechanism is arranged on one side of the mounting plate and close to the first slider, the automatic electromagnetic signal unlocking mechanism comprises a body and a sliding rod which is arranged on the body and can stretch and retract vertically to the first slider, and the sliding rod and the first slider are correspondingly provided with a matching structure which can be matched in a guiding manner so as to drive the first slider to move back and forth through the left and right movement of the sliding rod.

Preferably, the upper surface of the first slider is provided with a V-shaped sliding slot, a first side of the V-shaped sliding slot transversely extends from left to right, a second side of the V-shaped sliding slot gradually extends forwards from left to right, and correspondingly, the lower wall surface of the sliding rod is provided with a guide post which can be inserted into the V-shaped sliding slot. Because the first sliding block can only move forwards and backwards but not move leftwards and rightwards, when the sliding rod moves perpendicular to the first sliding block, the first sliding block can move forwards and backwards under the driving of the sliding rod under the constraint of the V-shaped sliding groove, and therefore unlocking is achieved.

Preferably, the rear end of the button is provided with a first extending column extending backwards, correspondingly, the front end of the first slider is provided with a second extending column extending forwards, the second elastic element is a spring, the end parts of the spring are respectively sleeved on the first extending column and the second extending column, the first end of the spring abuts against the rear end face of the button, and the second end of the spring abuts against the front end face of the first slider. When the first extension column abuts against the second extension column, the first sliding block can be pushed to move backwards through the button, so that the locking plate is driven to move backwards, and unlocking is achieved.

Preferably, the trigger assembly comprises a swing arm and a second slider, the swing arm is rotatably arranged on the mounting plate and is respectively and rotatably connected with the second slider, the locking plate and the first slider, the second slider is movably arranged on the mounting plate in a front-back manner, and an inclined surface which can be matched with the upper end of the ejector rod to slide is formed at the front end of the second slider.

For the convenience of assembly, the first end of swing arm is connected on the mounting panel through the pivot rotation, the second end of swing arm extends to first slider department from the right side left, the right part of swing arm is connected with the second slider rotation, the middle part of swing arm is connected with the lockplate rotation, the left end of swing arm is connected with first slider rotation. The right part of the swing arm is provided with a first connecting column which is vertically arranged, correspondingly, the rear end of the second sliding block is provided with a first long hole which can be inserted by the first connecting column and allows the first connecting column to move left and right; a second connecting column extending vertically is arranged in the middle of the swing arm, and correspondingly, a notch extending transversely and allowing the second connecting column to be inserted is formed in the edge, close to the second sliding block, of the locking plate; the left end of the swing arm is provided with a vertically extending third connecting column, and correspondingly, the rear end of the first sliding block is provided with a second long hole which can be inserted by the third connecting column and allows the third connecting column to move left and right.

Preferably, the second sliding block is arranged in an L shape, the transverse part of the L-shaped second sliding block abuts against the front end face of the locking plate, and the locking tongue is located below the inclined plane.

The cleaning machine comprises a box body and a door body, wherein the box body is provided with a washing cavity and an upper port communicated with the top of the washing cavity, one edge of the door body is rotatably connected to the edge of the upper port of the box body, an ejector rod can be arranged on the side wall of the box body in a vertically moving mode, the upper end of the ejector rod penetrates through the edge of the box body, and the mounting plate is arranged on the door body.

Compared with the prior art, the invention has the advantages that: the locking structure can be realized by a pure mechanical matching structure, and can also realize the unlocking of an electromagnetic signal automatic unlocking mechanism, and the dependence on electric control logic is low; when the locking is needed, the upper end of the ejector rod moves upwards, the locking plate is driven to move backwards through the trigger assembly, and after the ejector rod moves upwards, the locking plate moves forwards under the action of the first elastic piece, so that the locking tongue is inserted into a locking opening of the ejector rod, and the locking is completed; when the lock needs to be unlocked, the switch assembly drives the first sliding block to move backwards, so that the trigger assembly drives the locking plate to move backwards to enable the lock tongue to exit from the lock opening, and at the moment, the ejector rod can downwardly exit from the lock hole to finish unlocking; the whole process is simple and reliable and is convenient to realize.

Drawings

FIG. 1 is a schematic structural diagram of a cleaning machine according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a door lock according to an embodiment of the present invention;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a schematic view of a portion of a door lock structure according to an embodiment of the present invention;

FIG. 5 is a schematic view of a portion of the structure of FIG. 4;

fig. 6 is a schematic structural diagram of the carrier rod in the embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 6, the door lock structure of the present embodiment is used for locking any door body and any box body, and the present embodiment will be described by taking a cleaning machine as an example. The cleaning machine of this embodiment includes box 8 and door 9, and box 8 has the washing chamber and communicates in the last port 81 at this washing chamber top, and the edge of door 9 rotates the edge of connecting at box 8 last port 81.

The door lock structure of this embodiment includes mounting panel 1, ejector pin 2, lockplate 3, first elastic component 4, trigger subassembly 5, first slider 6 and switch module 7, and ejector pin 2 can locate on 1 lateral wall of box and the upper end passes 1 edge of box and arranges with reciprocating, and ejector pin 2 realizes reciprocating and the location through push rod motor 20 or other actuating mechanism, and mounting panel 1, lockplate 3, first elastic component 4, trigger subassembly 5, first slider 6 and switch module 7 are all installed on the door body 9. Specifically, the mounting plate 1 is horizontally mounted on the door body 9, the mounting plate 1 may also be a mounting box with an inner cavity, and the front portion of the mounting plate 1 is provided with a lock hole 11. The top rod 2 is vertically arranged, the upper end of the top rod is arranged corresponding to the lock hole 11, the upper end of the top rod 2 can penetrate through the lock hole 11 when moving upwards, and the rear side wall of the top rod 2 is provided with a lock opening 21. The lock plate 3 is provided on the mounting plate 1 to be movable back and forth with respect to the lock hole 11 and located on the rear side of the lock hole 11, and the lock plate 3 has a tongue 31 at the front end thereof to be inserted into the lock hole 21 in a state where the lock plate 3 is advanced. The first elastic member 4 is provided on the mounting plate 1 and keeps the lock plate 3 always moving toward the lock hole 11. The trigger component 5 is movably arranged on the mounting plate 1 and can drive the locking plate 3 to move backwards under the jacking force of the jacking rod 2. The first sliding block 6 is arranged on the mounting plate 1 in a way of moving back and forth and is linked with the locking plate 3 through the trigger component 5, and the locking plate 3 is driven to move back by the first sliding block 6 in a backward moving state. The switch component 7 is connected with the first slide block 6 and can drive the first slide block 6 to move back and forth.

In the present embodiment, the triggering assembly 5 includes a swing arm 51 and a second slider 52, the swing arm 51 is rotatably disposed on the mounting plate 1 and rotatably connected to the second slider 52, the locking plate 3 and the first slider 6, respectively, the second slider 52 is disposed on the mounting plate 1 in a back-and-forth movable manner, and a slope 521 is formed at the front end thereof and is capable of sliding in cooperation with the upper end of the ram 2.

For the convenience of assembly, a first end of the swing arm 51 is pivotally connected to the mounting plate 1 through a rotating shaft 511, a second end of the swing arm 51 extends from right to left to the first slider 6, a right portion of the swing arm 51 is pivotally connected to the second slider 52, a middle portion of the swing arm 51 is pivotally connected to the locking plate 3, and a left end of the swing arm 51 is pivotally connected to the first slider 6. The right part of the swing arm 51 is provided with a first connecting column 512 which is vertically arranged, correspondingly, the rear end of the second slider 52 is provided with a first long hole 522 which can be inserted by the first connecting column 512 and allows the first connecting column 512 to move left and right; a second connecting column 513 extending vertically is arranged in the middle of the swing arm 51, and correspondingly, a notch 32 extending transversely and allowing the second connecting column 513 to be inserted is formed at the edge of the locking plate 3 close to the second slider 52; the left end of the swing arm 51 is provided with a vertically extending third connecting column 514, and correspondingly, the rear end of the first slider 6 is provided with a second long hole 61 which can be inserted by the third connecting column 514 and allows the third connecting column to move left and right. The second slider 52 is arranged in an L-shape, and a transverse part 520 of the L-shaped second slider 52 abuts on the front end face of the locking plate 3, and the locking tongue 31 is located below the inclined surface 521.

The lower end surface of the latch bolt 31 of this embodiment is formed into an arc surface 311 which smoothly transits from front to back gradually and downwards, and when the upper end of the jack rod 2 contacts with the latch bolt 31, the arc surface structure can prevent the latch bolt 31 from interfering with the upward moving state of the jack rod 2. The structure and the second sliding block 52 are mainly arranged to protect the lock tongue of the locking plate 3 and the upper plate of the door body, the ejector rod 2 moves upwards, when the position of the ejector rod 2 moving upwards slightly exceeds the locking position of the lock tongue 31, if the second sliding block 52 is not arranged, the force of the ejector rod 2 can be directly transmitted to the lock tongue 31, the lock tongue 31 is easily deformed or damaged, after the second sliding block 52 is arranged, the ejector rod 2 enters the locking position, the upper end of the ejector rod 2 is abutted to the inclined surface 521 of the second sliding block 52, the upward force of the ejector rod 2 is dispersed and converted into the force for driving the lock tongue 3 to move backwards through the second sliding block 52, the damage to the lock tongue 31 is avoided, meanwhile, the force applied to the upper plate of the door body in the movement process of the ejector rod 2 is also avoided, and the structure.

In this embodiment, the switch assembly 7 includes an electromagnetic signal automatic unlocking mechanism 71, a button 72 and a second elastic member 73, and the electromagnetic signal automatic unlocking mechanism 71 is electrically connected to the controller and can independently drive the first slider 6 to slide back and forth. The button 72 is disposed on the front side of the first slider 6 to be movable forward and backward, the first slider 6 is driven to move backward in a backward movement state of the button 72, and the second elastic member 73 is disposed between the button 72 and the first slider 6 to make the button 72 always tend to move forward. By adopting the structure, in a normal use state, a signal can be sent to the controller through the on-off key arranged on the panel of the cleaning machine, then the controller sends a signal to the electromagnetic signal automatic unlocking mechanism 71, and the electromagnetic signal automatic unlocking mechanism 71 is used for automatically unlocking; and under the outage state, just can unblank through the cooperation of button 72 with second elastic component 73, compromise electric control and mechanical control two kinds of modes, it is safer, reliable.

Specifically, the automatic electromagnetic signal unlocking mechanism 71 is arranged on one side of the mounting plate 1 and close to the first slider 6, the automatic electromagnetic signal unlocking mechanism 71 comprises a body 711 and a sliding rod 712 which is arranged on the body 711 and can extend and retract vertically to the first slider 6, and the sliding rod 712 and the first slider 6 are correspondingly provided with a matching structure which can be in guiding fit so as to drive the first slider 6 to move back and forth through the left and right movement of the sliding rod 712. The upper surface of the first slider 6 is provided with a V-shaped sliding slot 60, a first side 601 of the V-shaped sliding slot 60 extends transversely from left to right, a second side 602 of the V-shaped sliding slot 60 extends forwards from left to right, and correspondingly, the lower wall surface of the sliding rod 712 is provided with a guide post 7121 which can be inserted into the V-shaped sliding slot 60. The guide post 7121 and the V-shaped sliding groove 60 together form the above-mentioned matching structure. Because the first slider 6 can only move forward and backward but not move leftward and rightward, when the sliding rod 712 moves perpendicular to the first slider 6, the first slider 6 moves forward and backward under the driving of the sliding rod 712 under the constraint of the V-shaped sliding groove 60, so as to achieve unlocking or not.

The rear end of the button 72 has a first extending column 721 extending backward, correspondingly, the front end of the first slider 6 has a second extending column 62 extending forward, the second elastic element 73 is a spring whose ends are respectively sleeved on the first extending column 721 and the second extending column 62, and the first end of the spring is abutted against the rear end face of the button 72, and the second end of the spring is abutted against the front end face of the first slider 6. When the first extension column 721 abuts against the second extension column 62, the button 72 can push the first slider 6 to move backward, so as to drive the locking plate 3 to move backward, thereby unlocking.

The locking structure of the embodiment can be realized by a pure mechanical matching structure, and can also realize the unlocking of an electromagnetic signal automatic unlocking mechanism, and the dependence on electric control logic is low; when the locking is needed, the upper end of the mandril 2 moves upwards, the backward thrust transmitted to the locking plate 3 through the bolt 31, and after the mandril 2 moves upwards, the locking plate 3 moves forwards under the action of the first elastic piece 4 and the bolt 31 is inserted into the fore shaft 21 of the mandril 2 to complete the locking; when the lock needs to be unlocked, the switch component 7 drives the first sliding block 6 to move backwards, so that the trigger component 5 drives the locking plate 3 to move backwards, the locking bolt 31 is enabled to exit from the locking notch 21, and at the moment, the ejector rod 2 can exit from the locking hole 11 downwards, and the unlocking is completed.

Claims

1. A door lock structure characterized in that: comprises that

The mounting plate (1), the mounting plate (1) is provided with a lock hole (11);

the ejector rod (2) is arranged below the mounting plate (1) in a vertically movable manner, the ejector rod (2) moves upwards and can penetrate through the lock hole (11), and a lock opening (21) is formed in the rear side wall of the ejector rod (2);

the locking plate (3) is arranged on the mounting plate (1) and positioned at the rear side of the locking hole (11) in a manner of moving back and forth relative to the locking hole (11), and the front end of the locking plate (3) is provided with a bolt (31) which can be inserted into the lock opening (21) in a state that the locking plate (3) moves forward;

a first elastic member (4) which is provided on the mounting plate (1) and keeps the locking plate (3) always moving towards the locking hole (11);

the trigger assembly (5) is movably arranged on the mounting plate (1) and can drive the locking plate (3) to move backwards under the jacking force of the jacking rod (2); the trigger assembly (5) comprises a swing arm (51) and a second sliding block (52), the swing arm (51) is rotatably arranged on the mounting plate (1) and is respectively and rotatably connected with the second sliding block (52), the locking plate (3) and the first sliding block (6), the second sliding block (52) is movably arranged on the mounting plate (1) in a front-back mode, and the front end of the second sliding block (52) is provided with an inclined surface (521) which can be matched with the upper end of the ejector rod (2) to slide;

the first sliding block (6) is arranged on the mounting plate (1) in a back-and-forth movement mode and is linked with the locking plate (3) through a trigger assembly (5), and the locking plate (3) is driven to move backwards when the first sliding block (6) moves backwards; and

and the switch assembly (7) is connected with the first sliding block (6) and can drive the first sliding block (6) to move back and forth.

2. The door lock structure according to claim 1, wherein: the switch assembly (7) comprises an electromagnetic signal automatic unlocking mechanism (71), a button (72) and a second elastic piece (73), and the electromagnetic signal automatic unlocking mechanism (71) is in electric signal connection with the controller and can independently drive the first sliding block (6) to slide back and forth; the button (72) is arranged on the front side of the first sliding block (6) in a back-and-forth movement mode, the button (72) drives the first sliding block (6) to move backwards in a back-and-forth movement state, and the second elastic piece (73) is arranged between the button and the first sliding block (6) and enables the button (72) to always keep a forward movement trend.

3. The door lock structure according to claim 2, wherein: the automatic electromagnetic signal unlocking mechanism (71) is arranged on one side of the mounting plate (3) and close to the first sliding block (6), the automatic electromagnetic signal unlocking mechanism (71) comprises a body (711) and a sliding rod (712) which is arranged on the body (711) and can stretch and retract vertically to the first sliding block (6), and the sliding rod (712) and the first sliding block (6) are correspondingly provided with a matching structure which can be matched in a guiding manner so as to drive the first sliding block (6) to move back and forth through the left and right movement of the sliding rod (712).

4. The door lock structure according to claim 3, wherein: the upper surface of the first sliding block (6) is provided with a V-shaped sliding groove (60), a first edge (601) of the V-shaped sliding groove (60) transversely extends from left to right, a second edge (602) of the V-shaped sliding groove (60) gradually extends forwards from left to right, and correspondingly, a guide column (7121) which can be inserted into the V-shaped sliding groove (60) is arranged on the lower wall surface of the sliding rod (712).

5. The door lock structure according to claim 2, wherein: the rear end of the button (72) is provided with a first extension column (721) extending backwards, correspondingly, the front end of the first sliding block (6) is provided with a second extension column (62) extending forwards, the second elastic piece (73) is a spring, the end parts of the spring are respectively sleeved on the first extension column (721) and the second extension column (62), the first end of the spring is abutted against the rear end face of the button (72), and the second end of the spring is abutted against the front end face of the first sliding block (6).

6. The door lock structure according to any one of claims 1 to 5, wherein: the first end of swing arm (51) is rotated through pivot (511) and is connected on mounting panel (1), the second end of swing arm (51) extends to first slider (6) department from the right side left, the right part and the second slider (52) of swing arm (51) are rotated and are connected, the middle part and the lockplate (3) of swing arm (51) are rotated and are connected, the left end and the first slider (6) of swing arm (51) are rotated and are connected.

7. The door lock structure according to claim 6, wherein: a first connecting column (512) which is vertically arranged is arranged at the right part of the swinging arm (51), and correspondingly, a first long hole (522) which can be inserted by the first connecting column (512) and allows the first connecting column to move left and right is formed at the rear end of the second sliding block (52); a second connecting column (513) extending vertically is arranged in the middle of the swing arm (51), and correspondingly, a notch (32) extending transversely and allowing the second connecting column (513) to be inserted into is formed in the edge, close to the second sliding block (52), of the locking plate (3); the left end of the swing arm (51) is provided with a vertically extending third connecting column (514), and correspondingly, the rear end of the first sliding block (6) is provided with a second long hole (61) which can be inserted with the third connecting column (514) and allows the third connecting column to move left and right.

8. The door lock structure according to any one of claims 1 to 5, wherein: the second sliding block (52) is arranged in an L shape, a transverse part (520) of the L-shaped second sliding block (52) abuts against the front end face of the locking plate (3), and the bolt (31) is located below the inclined surface (521).

9. A cleaning machine with the door lock structure of any one of claims 1 to 8, comprising a box body (8) and a door body (9), wherein the box body (8) is provided with a washing cavity and an upper port (81) communicated with the top of the washing cavity, one edge of the door body (9) is rotatably connected to the edge of the upper port (81) of the box body (8), the ejector rod (2) can be arranged on the side wall of the box body (8) in a vertically movable mode, the upper end of the ejector rod penetrates through the edge of the box body (8), and the mounting plate (1) is arranged on the door body (9).