CN217106550U

CN217106550U - Door lock device capable of saving door closing force

Info

Publication number: CN217106550U
Application number: CN202122839128.5U
Authority: CN
Inventors: 竺建军; 毛飞; 孙逸飞
Original assignee: Hangzhou Kambayashi Electronics Co Ltd
Current assignee: Hangzhou Kambayashi Electronics Co Ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-08-02
Anticipated expiration: 2031-11-19

Abstract

The utility model provides a door lock device with labor-saving door closing function, which comprises an upper shell, a lower shell and a locking body, the shell formed by the upper shell and the lower shell is internally provided with a mounting cavity, a locking body is arranged in the mounting cavity, the upper shell is provided with a lock hole for inserting a door hook, and also comprises a driving plate and a spring, one side of the locking body is provided with the driving plate, a spring is arranged on one side of the driving plate, which is opposite to the locking body, and applies acting force which is abutted towards the locking body to the driving plate, the locking body is provided with an equidistant upper arc surface and a variable-pitch lower arc surface, when the driving plate is contacted with different positions of the equidistant upper arc surface, the distance between the driving plate and the locking body shaft of the locking body is kept unchanged, when the driving plate is contacted with the variable-pitch lower arc surface, an acting force for assisting door closing is applied to the locking body under the action of the spring. The door locking device is small in door closing force, convenient to operate, capable of resetting after being closed by mistake and free of maintenance.

Description

Door lock device capable of saving door closing force

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of lock, especially a laborsaving locks closes door.

[ background of the invention ]

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 is opened, the user can forcibly open the door. However, the door lock devices on the market at present have the following problems:

1. the door closing force is larger, and the user experience of closing the door is not good.

2. After the door lock is triggered by mistake (especially, when a child plays, the door lock is operated by other tools), the door cannot be closed again when the door is closed, and the problem can be solved only by looking for after-sale maintenance.

[ Utility model ] content

The utility model discloses an aim at solving the problem among the prior art, provide a laborsaving locks of closing door, it is little not only to close the door power, and the operation of being convenient for closes the door again after the spurious triggering moreover and can reset, need not to maintain.

In order to achieve the purpose, the utility model provides a door lock device with labor saving for closing a door, which comprises an upper shell, a lower shell and a locking body, the shell formed by the upper shell and the lower shell is internally provided with a mounting cavity, a locking body is arranged in the mounting cavity, the upper shell is provided with a lock hole for inserting a door hook, and also comprises a driving plate and a spring, one side of the locking body is provided with the driving plate, a spring is arranged on one side of the driving plate, which is opposite to the locking body, and applies acting force which is abutted towards the locking body to the driving plate, the locking body is provided with an equidistant upper arc surface and a variable-pitch lower arc surface, when the driving plate is contacted with different positions of the equidistant upper arc surface, the distance between the driving plate and the locking body shaft of the locking body is kept unchanged, when the driving plate is contacted with the variable-pitch lower arc surface, an acting force for assisting door closing is applied to the locking body under the action of the spring.

Preferably, a sliding groove for allowing the locking body to translate is further formed in the shell, the locking body is movably mounted in the sliding groove through a locking body shaft, a reset driving surface is arranged on one side, facing the lock hole, of the locking hook of the locking body, and when the door hook abuts against the reset driving surface, an acting force compressed by a driving spring is applied to the locking body, so that the locking body is separated from abutting against the end wall of the sliding groove.

Preferably, the slide groove is provided along a moving direction of the driving plate.

Preferably, a driving plate blocking wall is arranged at one end, facing the locking body, of the driving plate, when the driving plate is in contact with different positions of the equidistant upper arc surface, the driving plate blocking wall abuts against the equidistant upper arc surface, a driving plate slope is arranged on one side, facing the lock hole, of the driving plate blocking wall, and when the driving plate slope abuts against the variable-pitch lower arc surface, an acting force assisting in closing the door is applied to the locking body.

Preferably, one side of the arc surface on the locking body with equal distance extends to form a locking hook, one end of the arc surface on the locking body with variable distance extends to form a crank, and when the door hook abuts against the crank of the locking body, an acting force for driving the locking body to rotate to lock the door is applied to the locking body.

Preferably, the switch operating panel is arranged in the shell in a swinging mode and comprises a triggering support plate and a driving support plate, the driving support plate is in linkage with the driving plate, and the switch operating panel swings under the action of the driving plate and controls the switch assembly to be switched on or switched off through the triggering support plate.

Preferably, an operating panel driving groove is formed in one side, facing the switch operating panel, of the driving panel, a push rod is arranged at the end of the driving support plate, the push rod is inserted into the operating panel driving groove, and the switch operating panel is controlled to swing under the action of the driving panel.

The utility model has the advantages that:

1. through set up the circular arc surface in the equidistance on the locking body, only need overcome the frictional force of last circular arc surface when the door hook inserts, the closing door power is less. And the arc surface contacts the slope of the driving plate under the variable-pitch locking body, and under the action of the spring, the resultant force between the arc surface and the slope pushes the locking body to rotate, so that the door closing is assisted, the door closing force is small, and the user experience is better.

2. After the locking body of the door lock is locked by being triggered by other tools by mistake, when a user closes the door, the locking body moves along the sliding groove until the door hook is completely inserted into the locking body, so that the reset when the door is closed again is realized, and after-sale maintenance is not needed.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is an exploded view of a door lock device for saving force when closing a door according to the present invention;

fig. 2 is a schematic top view of the door lock device for saving the door closing force of the present invention;

FIG. 3 is a cross-sectional view showing the relationship between the driving plate and the locking body when the door of the present invention is opened;

FIG. 4 is a cross sectional view showing the relationship between the sliding groove and the locking body when the door of the present invention is opened;

fig. 5 is a sectional view of the door closing operation of the present invention;

FIG. 6 is a cross-sectional view of the engagement of the actuator plate and the locking body when the locking body is in the closed door position;

FIG. 7 is a schematic view of the switch operating plate and the switch assembly in mating relationship with the lockout body in the closed door position;

fig. 8 is a sectional view showing the door opening operation of the present invention;

FIG. 9 is a sectional view showing the door closing and inserting hook action in an abnormal state of the present invention;

FIG. 10 is a sectional view of the door closing hook of the present invention in an abnormal state;

fig. 11 is a schematic structural view of a locking body of a door lock device for saving force when closing the door according to the present invention;

fig. 12 is a schematic structural view of a driving plate of a door lock device for saving force when closing the door according to the present invention;

fig. 13 is a schematic structural view of a switch operating panel of the door lock device of the present invention.

[ detailed description ] embodiments

Referring to fig. 1 to 5, the door lock device of the present invention comprises an upper housing 1, a lower housing 2 and a locking body 3, wherein an installation cavity is provided inside the housing formed by the upper housing 1 and the lower housing 2, the installation cavity is provided with the locking body 3, the upper housing 1 is provided with a lock hole 10 for inserting a door hook 100, the door lock device further comprises a driving plate 4 and a spring 5, one side of the locking body 3 is provided with the driving plate 4, one side of the driving plate 4 opposite to the locking body 3 is provided with the spring 5, the spring 5 applies an acting force to the driving plate 4, the acting force is applied to the driving plate 4, the driving plate 3 is provided with an upper arc surface 31 with equal distance and a lower arc surface 32 with variable distance, when the driving plate 4 contacts with different positions of the upper arc surface 31 with equal distance, the distance between the driving plate 4 and a locking body shaft 33 of the locking body 3 is kept unchanged, when the driving plate 4 contacts with the lower arc surface 32 with variable distance, under the action of the spring 5, a force assisting the door closing is applied to the locking body 3.

Further, referring to fig. 4 and 11, a sliding groove 11 for the locking body 3 to translate is further provided in the housing, the locking body 3 is movably mounted in the sliding groove 11 through a locking body shaft 33, a reset driving surface 341 is provided on one side of the locking hook 34 of the locking body 3 facing the locking hole 10, and when the door hook 100 abuts against the reset driving surface 341, an urging force of the driving spring 5 is applied to the locking body 3, so that the locking body 3 is disengaged from abutting against the end wall of the sliding groove 11. In the present embodiment, the slide groove 11 is provided along the moving direction of the drive plate 4.

Further, referring to fig. 5 and 12, a driving plate retaining wall 41 is disposed at one end of the driving plate 4 facing the locking body 3, when the driving plate 4 contacts different positions of the equidistant upper arc surface 31, the driving plate retaining wall 41 abuts against the equidistant upper arc surface 31, a driving plate slope 42 is disposed on one side of the driving plate retaining wall 41 facing the lock hole 10, and when the driving plate slope 42 abuts against the variable-pitch lower arc surface 32, an acting force assisting the door closing is applied to the locking body 3.

Further, referring to fig. 3 and 11, a locking hook 34 extends from one side of the locking body 3 on which the equidistant upper arc surface 31 is disposed, a crank 35 extends from one end of the locking body 3 on which the variable lower arc surface 32 is disposed, and when the door hook 100 abuts against the crank 35 of the locking body 3, an acting force for driving the locking body 3 to rotate to lock the door is applied.

Further, referring to fig. 1 to 7, the switch operating board 6 and the switch assembly 7 are further included, the switch operating board 6 is swingably mounted in the housing, and includes a triggering support board 61 and a driving support board 62, the driving support board 62 is linked with the driving board 4, the switch operating board 6 swings under the action of the driving board 4, and the switch assembly 7 is controlled to be turned on or off through the triggering support board 61. In this embodiment, an operation panel driving groove 43 is opened on one side of the driving panel 4 facing the switch operation panel 6, a push rod 621 is provided at an end of the driving support plate 62, the push rod 621 is inserted into the operation panel driving groove 43, and the switch operation panel 6 is controlled to swing under the action of the driving panel 4.

The utility model discloses the working process includes following several parts:

1. referring to fig. 3 and 4, the door open state: the drive plate 4 is under the action of the spring 5, the drive plate stop wall 41 of the drive plate 4 abuts against the equidistant upper circular arc surface 31 of the locking body 3, and the locking body 3 can keep the door opening position unchanged because the equidistant upper circular arc surface 31 is equidistant. And the lock body shaft 33 of the lock body 3 abuts against the wall of the slide groove 11 of the upper case 1.

2. Referring to fig. 5, the door closed state: when the door hook 100 is inserted, the locking body 3 is driven to rotate, and because the equidistant upper arc surface 31 is an equidistant arc surface, the door hook 100 is inserted only by overcoming the friction force of the equidistant upper arc surface 31, and the door closing force is smaller. When the equidistant upper arc surface 31 of the locking body 3 leaves the driving plate baffle wall 41 of the driving plate 4, the variable-pitch lower arc surface 32 of the locking body 3 contacts the driving plate ramp 42, and the resultant force between the two pushes the locking body 3 to rotate under the action of the spring 5, so as to assist in closing the door. After the door is closed, the door closing acting force is very large, and the door cover of the household appliance can be kept closed.

3. Referring to fig. 6 and 7, after the door is closed, the driving plate 4 releases the force applied to the switch operating plate 6, and the switch assembly 7 is reset to be closed and conducted.

4. Referring to fig. 8, when the door is opened, the locking body 3 is rotated, the pitch-variable lower arc surface 32 of the locking body 3 acts on the driving plate slope 42 and causes the driving plate 4 to retract compressing the spring 5 until the equidistant upper arc surface 31 of the locking body 3 contacts the driving plate stopper wall 41, and when the door hook 100 is completely withdrawn, the locking body 3 is maintained at the door-opening position.

5. Referring to fig. 9 and 10, the abnormal door closing action: when the user closes the door after the locking body 3 of the door lock is triggered to be locked by other tools, the locking body 3 moves along the sliding groove 11 and acts on the driving plate 4 to move backwards until the door hook 100 is completely inserted into the locking body 3, and the locking body 3 moves along the sliding groove 11 to reset.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any is right the utility model discloses scheme after simply changing all belongs to the protection scope of the utility model.

Claims

1. The utility model provides a laborsaving locks closes door, includes casing (1), casing (2) and locking body (3) down, the casing inside that goes up casing (1) and casing (2) down is constituteed has the installation cavity, be provided with locking body (3) in the installation cavity, it can supply door hook (100) male lockhole (10), its characterized in that to have seted up on casing (1): still include drive plate (4), spring (5), one side of the locking body (3) is equipped with drive plate (4), spring (5) have been set to one side of the locking body (3) dorsad in drive plate (4), spring (5) are exerted one towards the effort that the locking body (3) leaned on to drive plate (4), circular arc (32) under circular arc (31), the displacement have on the locking body (3) equidistance, when drive plate (4) and equidistance go up the different positions of circular arc (31) and contact, the distance between the locking body axle (33) of drive plate (4) and locking body (3) keeps unchangeable, when circular arc (32) contacted under drive plate (4) and the displacement, under the effect of spring (5), exert the effort that supplementary was closed the door to the locking body (3).

2. A door lock device for saving a door closing force according to claim 1, wherein: the door lock is characterized in that a sliding groove (11) which can be used for the locking body (3) to move horizontally is further formed in the shell, the locking body (3) is movably mounted in the sliding groove (11) through a locking body shaft (33), a reset driving surface (341) is arranged on one side, facing the lock hole (10), of a lock hook (34) of the locking body (3), and when the door hook (100) abuts against the reset driving surface (341), an acting force of compression of a driving spring (5) is applied to the locking body (3), so that the locking body (3) is separated from abutting against the end wall of the sliding groove (11).

3. A door lock device for saving a door closing force according to claim 2, wherein: the sliding groove (11) is arranged along the moving direction of the driving plate (4).

4. A door lock device for saving a door closing force according to claim 1, wherein: the one end of the drive plate (4) towards the locking body (3) is equipped with drive plate retaining wall (41), when the different positions of arc surface (31) contacted on drive plate (4) and the equidistance, arc surface (31) counterbalance leaned on drive plate retaining wall (41) and the equidistance, one side that drive plate retaining wall (41) orientation lockhole (10) was equipped with drive plate slope (42), when arc surface (32) counterbalance leaned on under drive plate slope (42) and the displacement, exert the effort that an assistance was closed the door to the locking body (3).

5. A door lock device for saving a door closing force according to claim 1, wherein: one side that is equipped with circular arc surface (31) on the equidistance on the locking body (3) extends and has latch hook (34), the one end that is equipped with circular arc surface (32) under the displacement on the locking body (3) extends and has crank (35), when door hook (100) leaned on with crank (35) the counterbalance of the locking body (3), exert its effort that rotates the lock door of drive to the locking body (3).

6. A door lock device for saving a door closing force according to any one of claims 1 to 5, wherein: the switch operating board (6) is arranged in the shell in a swinging mode and comprises a triggering support plate (61) and a driving support plate (62), the driving support plate (62) is linked with the driving plate (4), the switch operating board (6) swings under the action of the driving plate (4), and the switch assembly (7) is controlled to be turned on or off through the triggering support plate (61).

7. A door lock device for saving a door closing force according to claim 6, wherein: an operation panel driving groove (43) is formed in one side, facing the switch operation panel (6), of the driving board (4), a push rod (621) is arranged at the end of the driving support plate (62), the push rod (621) is inserted into the operation panel driving groove (43), and the switch operation panel (6) is controlled to swing under the action of the driving board (4).