CN216866311U - Door lock device integrating automatic door opening - Google Patents

Door lock device integrating automatic door opening Download PDF

Info

Publication number
CN216866311U
CN216866311U CN202122332921.6U CN202122332921U CN216866311U CN 216866311 U CN216866311 U CN 216866311U CN 202122332921 U CN202122332921 U CN 202122332921U CN 216866311 U CN216866311 U CN 216866311U
Authority
CN
China
Prior art keywords
door
lock
door opening
locking
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202122332921.6U
Other languages
Chinese (zh)
Inventor
竺建军
孙逸飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Kambayashi Electronics Co Ltd
Original Assignee
Hangzhou Kambayashi Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Kambayashi Electronics Co Ltd filed Critical Hangzhou Kambayashi Electronics Co Ltd
Priority to CN202122332921.6U priority Critical patent/CN216866311U/en
Application granted granted Critical
Publication of CN216866311U publication Critical patent/CN216866311U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The utility model provides an integrated automatic door lock device, which comprises a base body, a locking body and a closing plate assembly, wherein the locking body is provided with a locking body torsional spring, the top of the base body is provided with a lock hole into which a lock head on a door cover can be inserted, the locking body is rotatably arranged in the base body, the door lock device also comprises the closing plate assembly, an operating plate provided with the operating plate torsional spring and a door opening driving device, the closing plate assembly is movably arranged in the base body and is positioned right below the lock hole, the locking body is arranged on one side of the closing plate assembly, one end of the closing plate assembly, which is back to the lock hole, is connected with the operating plate, the door opening driving device is arranged below the base body, and the door opening driving device is positioned at one end of the operating plate, which is back to the closing plate assembly, and is used for providing an acting force opposite to the lock head inserting direction for the operating plate and assisting in opening the door. The device integrates the automatic door opener on the door lock, so that the door opening is more labor-saving, and the assembly cost can be reduced.

Description

Door lock device integrating automatic door opening
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of door locks, in particular to a door lock device integrating automatic door opening.
[ background of the utility model ]
At present, door covers of household appliances are generally provided with door lock devices, and the door covers are kept closed by locking force provided by the door lock devices after the doors are closed.
When the door of the existing door lock device of part of household appliances is opened, a user can open the door forcibly by manual force. However, the locking force of the door lock device is large, the user is hard, and the user experience is poor.
And part of household appliances are provided with automatic door openers, and when the door needs to be opened, a user only needs to press a door opening key, and additional power is provided through the automatic door openers to assist the door locking device in opening the door. Although the user experience is rising, there are also the following problems:
1. the automatic door opener and the door lock device are two independent devices, and the total material cost is high.
2. The assembly time is more, and the assembly cost is higher.
3. The occupied space is larger.
4. The ejector rod of the automatic door opener can exceed the surface of the box body when rising, the appearance is influenced, the ejector rod cannot retract timely, and the ejector rod is exposed outside and has a touch risk.
In order to solve the above problems, there is a need for a door lock device with a more optimized structure that integrates an automatic door opening.
[ Utility model ] content
The utility model aims to solve the problems in the prior art, and provides an integrated automatic door-opening door lock device.
In order to achieve the purpose, the utility model provides an integrated automatic door lock device, which comprises a base body and a locking body provided with a locking body torsional spring, wherein the top of the base body is provided with a lock hole into which a lock head on a door cover can be inserted, the locking body is rotatably arranged in the base body, the door lock device also comprises a closing plate assembly, an operating plate provided with an operating plate torsional spring and a door opening driving device, the closing plate assembly is movably arranged in the base body and is positioned right below the lock hole, the locking body is arranged at one side of the closing plate assembly, one end of the closing plate assembly, which is back to the lock hole, is connected with the operating plate, the door opening driving device is arranged below the base body, and the door opening driving device is positioned at one end, which is back to the closing plate assembly, of the operating plate and is used for providing an acting force opposite to the inserting direction of the lock head for the operating plate to assist in opening the door; when the lock head is inserted into the lock hole, the locking body rotates under the driving of the sealing plate assembly, the torsional spring of the locking body exerts acting force for preventing the locking body from rotating, after the locking body rotates to a certain angle, the lock head continues to be inserted into the lock hole, the torsional spring of the locking body exerts reverse acting force for preventing the locking body from resetting until the spring bolt of the locking body is pressed against the lock head, and door closing locking is completed.
Preferably, the operating plate is provided with two operating plate torsion springs, and two first mounting grooves for mounting the operating plate torsion springs are symmetrically formed in two sides of the operating plate; after the door is closed, the torsion spring of the operating panel exerts force in the door closing direction on the operating panel to assist in closing the door; after the door is opened, the torsional spring of the operating panel exerts the force in the door opening direction on the operating panel to assist in opening the door.
Preferably, a door opening switch connecting plate provided with a first spring, a door opening switch, a door locking switch connecting plate provided with a second spring and a door locking switch are further installed in the base body, the door opening switch connecting plate and the door locking switch connecting plate are both arranged on one side of the moving track of the operating plate, when the lock head is inserted into the lock hole, the door locking switch connecting plate acts under the action of the operating plate to close the door locking switch, and at the moment, the door opening switch connecting plate resets under the action of the first spring to close the door opening switch; when the lock head is pulled out of the lock hole, the door locking switch connecting plate resets under the action of the second spring to disconnect the door locking switch, and at the moment, the door opening switch connecting plate acts under the action of the operating plate to disconnect the door opening switch.
Preferably, the operating panel is equipped with the drive inserted bar towards one side of the switch connecting plate that opens the door, the top of drive inserted bar has first draw-in groove inclined plane, be equipped with first inclined plane lug on the switch connecting plate that opens the door, when the operating panel shifts up and resets, the cooperation of drive inserted bar and first inclined plane lug, under the effect of drive inserted bar, the switch connecting plate that opens the door moves, makes the switch disconnection that opens the door.
Preferably, a driving clamping groove is formed in one side, facing the door locking switch connecting plate, of the operating plate, a second clamping groove inclined surface is formed in the bottom of the driving clamping groove, a second inclined surface protruding block is arranged on the door locking switch connecting plate, when the operating plate moves downwards, the driving clamping groove is matched with the second inclined surface protruding block, and under the action of the driving clamping groove, the door locking switch connecting plate acts to enable the door locking switch to be closed.
Preferably, a guide mounting seat is arranged in the base body, a blocking head is arranged at one end, facing the lock hole, of the sealing plate assembly, the other end of the sealing plate assembly penetrates through an inner cavity of the guide mounting seat and is connected with the operating plate, when the lock head is pulled out of the lock hole, the lock head drives the locking body to reset, and the sealing plate assembly and the operating plate reset under the driving of the locking body until the blocking head abuts against the lock hole.
Preferably, a sealing ring is installed on the plugging head, a sealing ladder matched with the sealing ring is arranged on the lower end face of the locking hole, a V-shaped sealing ring is sleeved on the periphery of the sealing plate assembly, and the V-shaped sealing ring is tightly matched with an inner cavity of the guide installation seat.
Preferably, the door opening driving device comprises a motor and a screw rod provided with a nut, and the motor drives the screw rod to rotate so as to control the nut on the movable screw rod to move along the axial direction of the screw rod.
The utility model has the beneficial effects that: according to the utility model, the door lock device is provided with the door opening driving device, so that the door lock device is more compact as a whole compared with a traditional split structure, the occupied space can be reduced, and the assembly cost can be reduced. The door opening driving device is used for assisting in opening the door, so that the operation can be saved. In the automatic door opening process, the existing door hook insertion part is used for replacing the ejector rod, and the appearance influence caused by the fact that the door opening mechanism protrudes out of the surface of the box body and the collision risk caused by the fact that the ejector rod retracts untimely are avoided; and after the door is opened, the closing plate assembly can automatically block the lock hole, so that foreign matters and dust can be prevented from entering the lock hole.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic view of the door open state of the present invention;
FIG. 2 is a schematic view of the door closing operation of the present invention;
FIG. 3 is a schematic view of the door closed state of the present invention;
FIG. 4 is a schematic view of the manual door opening action of the present invention;
FIG. 5 is a schematic view of the power door opening operation of the present invention;
FIG. 6 is an exploded schematic view of the present invention;
FIG. 7 is a schematic view of the construction of the operation panel of the present invention;
FIG. 8 is a schematic structural view of a door-opening switch connecting plate according to the present invention;
fig. 9 is a left side schematic view of the door lock switch attachment plate of the present invention.
[ detailed description ] embodiments
Referring to fig. 1 to 6, the door lock device with integrated automatic door opening of the present invention comprises a base 1, a locking body 2 equipped with a locking body torsion spring 20, wherein the top of the base 1 has a lock hole into which a lock head 100 on a door cover can be inserted, the locking body 2 is rotatably installed in the base 1, the door lock device further comprises a closing plate assembly 3, an operation plate 4 equipped with an operation plate torsion spring 40, and a door opening driving device 5, the closing plate assembly 3 is movably installed in the base 1 and is located right below the lock hole, the locking body 2 is installed at one side of the closing plate assembly 3, one end of the closing plate assembly 3 facing away from the lock hole is connected with the operation plate 4, the door opening driving device 5 is located below the base 1, the door opening driving device 5 is located at one end of the operation plate 4 facing away from the closing plate assembly 3 and is used for providing an acting force to the operation plate 4 opposite to the insertion direction of the lock head 100, opening the door in an auxiliary manner; when the lock head 100 is inserted into the lock hole, the lock body 2 is driven by the closing plate assembly 3 to rotate, the lock body torsion spring 20 applies an acting force to the lock body 2 to prevent the lock body from rotating, and after the lock body 2 rotates to a certain angle, the lock head 100 is continuously inserted into the lock hole, the lock body torsion spring 20 applies a reverse acting force to the lock body 2 to prevent the lock body from resetting until the lock tongue 21 of the lock body 2 is pressed against the lock head 100, and door closing locking is completed.
Further, referring to fig. 1 and 7, two operation panel torsion springs 40 are provided on the operation panel 4, and two first installation grooves 41 for installing the operation panel torsion springs 40 are symmetrically formed on two sides of the operation panel 4; after the door is closed, the operation plate torsion spring 40 applies force in the door closing direction to the operation plate 4 to assist in closing the door; after the door is opened, the operation panel torsion spring 40 applies a force in the door opening direction to the operation panel 4 to assist the opening of the door. When the lock head 100 is inserted into the lock hole, the operating plate 4 and the closing plate assembly 3 move downwards synchronously, the operating plate torsion spring 40 applies an acting force to the operating plate 4 to prevent the operating plate 4 from moving downwards, and after the operating plate 4 moves downwards for a certain distance, the lock head 100 continues to be inserted into the lock hole, and the operating plate torsion spring 40 applies a reverse acting force to the operating plate 4 to prevent the operating plate 4 from moving upwards and returning, until the bolt 21 of the locking body 2 presses against the lock head 100, and door closing locking is completed.
Furthermore, a door opening switch connecting plate 6, a door opening switch 7, a door locking switch connecting plate 8 and a door locking switch 9 are further installed in the base body 1, the door opening switch connecting plate 6 and the door locking switch connecting plate 8 are provided with a first spring 60, the door locking switch connecting plate 8 and the door locking switch connecting plate 8 are both arranged on one side of the moving track of the operating plate 4, when the lock head 100 is inserted into a lock hole, the door locking switch connecting plate 8 acts under the action of the operating plate 4 to close the door locking switch 9, and at the moment, the door opening switch connecting plate 6 is reset under the action of the first spring 60 to close the door opening switch 7; when the lock head 100 is pulled out of the lock hole, the door-locking switch connecting plate 8 is reset under the action of the second spring 80, so that the door-locking switch 9 is turned off, and at the moment, the door-opening switch connecting plate 6 acts under the action of the operating plate 4, so that the door-opening switch 7 is turned off.
Wherein, whether the door is opened in place after the door opening driving device 5 automatically opens the door is judged according to the on-off state of the door opening switch 7. The open switch 7 is closed to indicate that the lock head 100 is inserted, and is open to indicate that the hook is not inserted. Whether the door cover is closed in place or not is judged through the on-off state of the door locking switch 9, the closing state of the door locking switch 9 represents that the door is closed in place, at the moment, the system can be started, and the water is prevented from leaking due to the fact that the system is started in the state that the door is not closed.
Further, referring to fig. 7 and 8, a driving insertion rod 42 is arranged on one side of the operating plate 4 facing the door opening switch connecting plate 6, a first slot inclined plane 421 is arranged at the top of the driving insertion rod 42, a first inclined plane convex block 61 is arranged on the door opening switch connecting plate 6, when the operating plate 4 moves upwards and resets, the driving insertion rod 42 is matched with the first inclined plane convex block 61, and under the action of the driving insertion rod 42, the door opening switch connecting plate 6 acts to disconnect the door opening switch 7.
Further, referring to fig. 7 and 9, a driving slot 43 is disposed on one side of the operating plate 4 facing the door locking switch connecting plate 8, a second slot inclined plane 431 is disposed at the bottom of the driving slot 43, a second inclined plane protruding block 81 is disposed on the door locking switch connecting plate 8, when the operating plate 4 moves downward, the driving slot 43 is matched with the second inclined plane protruding block 81, and under the action of the driving slot 43, the door locking switch connecting plate 8 acts to close the door locking switch 9.
Further, referring to fig. 1, a guide mounting seat 11 is arranged in the base body 1, a blocking head 31 is arranged at one end of the sealing plate assembly 3 facing the lock hole, the other end of the sealing plate assembly 3 penetrates through an inner cavity of the guide mounting seat 11 and is connected with the operating plate 4, when the lock head 100 is pulled out of the lock hole, the lock head 100 drives the locking body 2 to reset, and the sealing plate assembly 3 and the operating plate 4 are driven by the locking body 2 to reset until the blocking head 31 abuts against the lock hole.
Further, referring to fig. 1 and 6, a sealing ring 310 is installed on the blocking head 31, a sealing step matched with the sealing ring 310 is arranged on the lower end face of the locking hole, a V-shaped sealing ring 32 is sleeved on the outer periphery of the sealing plate assembly 3, and the V-shaped sealing ring 32 is tightly matched with the inner cavity of the guide mounting seat 11.
Further, referring to fig. 1, the door opening driving device 5 includes a motor, a screw rod equipped with a nut, and the motor drives the screw rod to rotate, so as to control the nut on the moving screw rod to move along the axial direction of the screw rod
Further, referring to fig. 1 and 6, the side of the locking body 2 facing the closing plate assembly 3 is provided with a C-shaped locking hook portion, one end of the locking hook portion is provided with a locking tongue 21, the other end of the locking hook portion is provided with a crank 22, when the lock head 100 is inserted into the lock hole, a step of the closing plate assembly 3 is matched with the crank 22 of the locking body 2, the locking body 2 is driven to rotate until the locking tongue 21 of the locking body 2 is pressed against the lock head 100, and the door closing locking is completed.
The working principle of the utility model is as follows:
1. open state of door
When the door is opened, the sealing ring 310 is installed in the clamping groove of the sealing plate component 3, and under the action of the locking body torsion spring 20, the sealing plate of the sealing plate component 3 has an upward acting force to closely contact the sealing ring 310 with the base body 1 of the door lock, so that a waterproof function is achieved. The appearance surface of the blocking head 31 is flush with the box body of the electric appliance and is in seamless connection, so that foreign matters and dust can be prevented from entering.
2. Door closing action
When the door closure is closed, tapered end 100 moves down, tapered end 100 is pressing the shrouding and is moving down, after the step of shrouding subassembly 3 contacts the crank 22 of locking body 2, will drive locking body 2 and overcome locking body torsional spring 20 torsion and rotate, locking body torsional spring 20 distance reduces, after locking body 2 turned to certain angle, locking body torsional spring 20 distance compressed to the minimum, after continuing to move, locking body torsional spring 20 distance begins the grow again, the torsion direction begins the upset, bolt 21 acted on tapered end 100 this moment, make the door closure close and provide a decurrent locking force.
3. Manual door opening action
When the door needs to be opened, the door is manually opened, the sealing plate assembly 3 and the lock head 100 act on the lock tongue 21 to force the locking body 2 to overcome the torsion of the locking body torsion spring 20 to rotate, after the locking body 2 rotates, the distance of the locking body torsion spring 20 is reduced, after the locking body 2 rotates to a certain angle, the distance of the locking body torsion spring 20 is compressed to the minimum, after the locking body 2 continues to move, the distance of the locking body torsion spring 20 begins to be increased again, the torsion direction begins to turn over, and the door opening is realized; the closing plate assembly 3 seals the lock hole under the action of the lock body torsion spring 20.
4. Electric door opening action
When the door needs to be opened, the motor of the door opening driving device 5 is started, and when the door needs to be opened upwards, the sealing plate assembly 3 and the lock head 100 act on the lock tongue 21 to force the locking body 2 to overcome the torsion of the locking body torsion spring 20 to rotate, after the locking body 2 rotates, the distance of the locking body torsion spring 20 is reduced, after the locking body 2 rotates to a certain angle, the distance of the locking body torsion spring 20 is compressed to be minimum, after the locking body 2 continues to move, the distance of the locking body torsion spring 20 begins to be increased, the torsion direction begins to turn over, and the door opening is realized under the action of the door opening force of the door opening driving device 5 and the locking body torsion spring 20; the closing plate assembly 3 seals the lock hole under the action of the lock body torsion spring 20.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (8)

1. The utility model provides an integrated automatic door lock device that opens door, door lock device includes base member (1), sets locking body (2) of locking body torsional spring (20), the top of base member (1) has the lockhole that can supply tapered end (100) on the door closure to insert, locking body (2) rotatable installs in base member (1), its characterized in that: the door lock device further comprises a sealing plate assembly (3), an operating plate (4) provided with an operating plate torsion spring (40) and a door opening driving device (5), wherein the sealing plate assembly (3) is movably arranged in the base body (1) and is positioned right below the lock hole, the locking body (2) is arranged on one side of the sealing plate assembly (3), one end, back to the lock hole, of the sealing plate assembly (3) is connected with the operating plate (4), the door opening driving device (5) is arranged below the base body (1), and the door opening driving device (5) is positioned at one end, back to the sealing plate assembly (3), of the operating plate (4) and is used for providing an acting force opposite to the insertion direction of the lock head (100) for the operating plate (4) and assisting in opening the door; when the lock head (100) is inserted into the lock hole, the locking body (2) rotates under the driving of the sealing plate assembly (3), the locking body torsion spring (20) exerts an acting force for preventing the locking body (2) from rotating, and after the locking body (2) rotates to a certain angle, the lock head (100) is continuously inserted into the lock hole, the locking body torsion spring (20) exerts a reverse acting force for preventing the locking body (2) from resetting until the lock tongue (21) of the locking body (2) is pressed against the lock head (100), and door closing locking is completed.
2. The door lock device with an integrated automatic door opening as claimed in claim 1, wherein: the operating plate (4) is provided with two operating plate torsion springs (40), and two first mounting grooves (41) for mounting the operating plate torsion springs (40) are symmetrically formed in two sides of the operating plate (4); after the door is closed, the operation plate torsion spring (40) applies force in the door closing direction to the operation plate (4) to assist in closing the door; after the door is opened, the operation plate torsion spring (40) applies force in the door opening direction to the operation plate (4) to assist in opening the door.
3. The door lock device with an integrated automatic door opening as claimed in claim 1, wherein: the lock is characterized in that a door opening switch connecting plate (6) provided with a first spring (60), a door opening switch (7), a door locking switch connecting plate (8) provided with a second spring (80) and a door locking switch (9) are further installed in the base body (1), the door opening switch connecting plate (6) and the door locking switch connecting plate (8) are both arranged on one side of the moving track of the operating plate (4), when the lock head (100) is inserted into a lock hole, the door locking switch connecting plate (8) acts under the action of the operating plate (4) to close the door locking switch (9), and at the moment, the door opening switch connecting plate (6) resets under the action of the first spring (60) to close the door opening switch (7); when the lock head (100) is pulled out of the lock hole, the door locking switch connecting plate (8) resets under the action of the second spring (80) to disconnect the door locking switch (9), and at the moment, the door opening switch connecting plate (6) acts under the action of the operating plate (4) to disconnect the door opening switch (7).
4. The door lock device with an integrated automatic door opening as claimed in claim 3, wherein: operation panel (4) are equipped with drive inserted bar (42) towards one side of switch connecting plate (6) that opens the door, the top of drive inserted bar (42) has first draw-in groove inclined plane (421), be equipped with first inclined plane lug (61) on switch connecting plate (6) that opens the door, when operation panel (4) shifts up and resets, drive inserted bar (42) and first inclined plane lug (61) cooperation, under the effect of drive inserted bar (42), the switch connecting plate that opens the door (6) action makes switch (7) disconnection that opens the door.
5. The door lock device with an integrated automatic door opening as claimed in claim 3, wherein: operation panel (4) are equipped with drive slot (43) towards one side of lock door switch connecting plate (8), the bottom of drive slot (43) has second draw-in groove inclined plane (431), be equipped with second inclined plane lug (81) on lock door switch connecting plate (8), when operation panel (4) move down, drive slot (43) and the cooperation of second inclined plane lug (81), under the effect of drive slot (43), lock door switch connecting plate (8) action makes lock door switch (9) closed.
6. The door lock device with an integrated automatic door opening as claimed in claim 1, wherein: be equipped with direction mount pad (11) in base member (1), shrouding subassembly (3) have shutoff head (31) towards the one end of lockhole, the other end of shrouding subassembly (3) runs through the inner chamber of direction mount pad (11) to be connected with operation panel (4), when tapered end (100) was pulled out from the lockhole, tapered end (100) drive locking body (2) reset, shrouding subassembly (3), operation panel (4) reset under the drive of locking body (2), until shutoff head (31) and lockhole counterbalance lean on.
7. The door lock device with an integrated automatic door opening as claimed in claim 6, wherein: install sealing washer (310) on shutoff head (31), the lower terminal surface of lockhole has with sealing washer (310) matched with sealed ladder, the periphery cover of shrouding subassembly (3) is equipped with V word sealing washer (32), V word sealing washer (32) closely cooperate with the inner chamber of direction mount pad (11) mutually.
8. The door lock device with integrated automatic door opening as claimed in any one of claims 1 to 7, wherein: the door opening driving device (5) comprises a motor and a lead screw provided with a nut, and the motor drives the lead screw to rotate to control the nut on the moving lead screw to move along the axis direction of the lead screw.
CN202122332921.6U 2021-09-26 2021-09-26 Door lock device integrating automatic door opening Active CN216866311U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122332921.6U CN216866311U (en) 2021-09-26 2021-09-26 Door lock device integrating automatic door opening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122332921.6U CN216866311U (en) 2021-09-26 2021-09-26 Door lock device integrating automatic door opening

Publications (1)

Publication Number Publication Date
CN216866311U true CN216866311U (en) 2022-07-01

Family

ID=82120440

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122332921.6U Active CN216866311U (en) 2021-09-26 2021-09-26 Door lock device integrating automatic door opening

Country Status (1)

Country Link
CN (1) CN216866311U (en)

Similar Documents

Publication Publication Date Title
CN216866311U (en) Door lock device integrating automatic door opening
CN216045756U (en) Intelligent valve safety lock with double protection structure
CN113882762A (en) Door lock device integrating automatic door opening
CN210223877U (en) Electric key switch device for electric door system
CN212027433U (en) Door lock for household electrical appliance
CN114165113A (en) Door lock device capable of saving door closing force
CN111119580A (en) Door lock for household electrical appliance
CN215869007U (en) High-safety electric appliance cabinet convenient for emergency stop
CN111379496A (en) Electric door opening and closing device with clutch device
CN216974466U (en) Door lock device
CN215761014U (en) Door lock for electric appliance
CN210003105U (en) electric switch device with clutch device
CN214170215U (en) Push type waterproof door lock
CN217106550U (en) Door lock device capable of saving door closing force
CN220769151U (en) Press door-opening type door lock
CN218887651U (en) Floor is inserted waterproof cover locking structure
CN114251022A (en) Door lock device
CN112360236A (en) Push type waterproof door lock
CN214543041U (en) Anti-theft power distribution cabinet
CN217439722U (en) Household appliance with door body
CN215056376U (en) Door closer connector
CN219365819U (en) Intelligent flat-open door machine
CN220828144U (en) Spring cover structure for lockset
CN220451667U (en) Quick chain plugging device for window opener
CN219659031U (en) Socket

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant