CN218438898U

CN218438898U - Door opening device

Info

Publication number: CN218438898U
Application number: CN202222272069.2U
Authority: CN
Inventors: 伍志勇
Original assignee: Guangdong DTC Hardware Precision Manufacturing Co Ltd
Current assignee: Guangdong DTC Hardware Precision Manufacturing Co Ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-02-03
Anticipated expiration: 2032-08-26

Abstract

A door opening device comprises a support, a movable arm component, a pressing component, a locking component and a moving component, wherein the movable arm component, the pressing component, the locking component and the moving component are elastically and movably arranged on the support; when the movable arm assembly is closed, one end of the first elastic piece elastically acts on the locking assembly, the other end of the first elastic piece elastically acts on the moving assembly, and the moving assembly keeps transmission contact with the swing arm under the action of elasticity in the opening and closing process of the movable arm assembly; and when the locking and separating assembly is unlocked with the moving assembly, the pressing assembly drives one end of the moving assembly to move through the swing arm, and the locking and separating assembly is separated and unlocked with the moving assembly through the first elastic piece. The utility model discloses a set up first elastic component, carry out the unblock to the lock from subassembly and removal subassembly through first elastic component to compensation swing arm and the transmission clearance between the removal subassembly reach the silence effect when making the switching of door opener.

Description

Door opening device

Technical Field

The utility model relates to the technical field of furniture, in particular to door opener.

Background

Chinese patent application No. 2022219458187 describes a door opener, which comprises a bracket, be provided with the movable arm subassembly of elastic activity on the bracket, press the subassembly, lock from the subassembly and remove the subassembly, the articulated switching of movable arm subassembly is on the bracket, the lock is from the subassembly and/or is removed and is equipped with the swing arm between the subassembly and the press the subassembly, remove the subassembly, be equipped with drive assembly between the two one end of movable arm subassembly, the lock is from being equipped with unblock guide part between subassembly and the removal subassembly, be equipped with switching guide part between movable arm subassembly and the drive assembly. According to the door opener, the pressing assembly is pressed down, the pressing assembly drives the swing arm to push the locking assembly downwards through the third action end, unlocking of the locking assembly and the moving assembly is achieved, the moving member of the moving assembly moves towards the direction of the swing arm after unlocking, the moving member drives (pushes) the swing arm to move through the second action end, and the swing arm acts on the pressing assembly through the first action end, so that the pressing assembly elastically extends out of the support; because the swing arm sets up the unblock that the third effect end was used as lock from subassembly and removal subassembly, must have transmission clearance (if both do not have transmission clearance, the third effect end of swing arm can't push down the lock from the subassembly when pressing the subassembly and pressing) between the second effect end of swing arm and the moving member, because there is transmission clearance, press the subassembly and press the back, both can collide earlier when moving member and second effect end contact, then the moving member passes through the activity of second effect end promotion swing arm, can produce great sound when moving member and second effect end collide, can produce great noise when making the user use the door opener to open the door, influence user's experience.

Therefore, further improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, the noise is little, user experience is good, the strong door opener of practicality to overcome the weak point among the prior art.

According to a door opener of this purpose design, including support and the movable arm subassembly of elasticity activity setting on the support, press the subassembly, lock from subassembly and removal subassembly, the articulated switching of movable arm subassembly elasticity is equipped with swing arm, its characterized in that on the support, between removal subassembly and the pressing subassembly: a first elastic piece is arranged between the locking and separating component and the moving component;

when the movable arm assembly is closed, one end of the first elastic piece elastically acts on the locking assembly, the other end of the first elastic piece elastically acts on the moving assembly, and the moving assembly keeps transmission contact with the swing arm under the action of elasticity in the opening and closing process of the movable arm assembly; and when the locking and separating assembly is unlocked with the moving assembly, the pressing assembly drives one end of the moving assembly to move through the swing arm, and the locking and separating assembly is separated and unlocked with the moving assembly through the first elastic piece.

The locking and unlocking assembly and the moving assembly act on the locking and unlocking assembly through the first elastic piece in the unlocking or locking process so as to compensate the transmission clearance between the swing arm and the moving assembly.

The swing arm is hinged on the bracket and comprises a first acting end and a second acting end;

when the pressing assembly presses, the swing arm is driven to move through the first action end, the swing arm acts on the moving assembly through the transmission of the second action end, so that one end of the moving assembly moves, the lock is separated from the assembly and the moving assembly is unlocked, one end of the moving assembly acts on the swing arm through the second action end, so that the swing arm drives the pressing assembly to elastically stretch out of the support through the first action end, and the movable arm assembly and the pressing assembly elastically stretch out of the support simultaneously.

A transmission component is arranged between one end of the moving component and one end of the movable arm component;

when the movable arm component is opened to a corresponding angle, the other end of the movable component moves and acts on the transmission component, the other end of the first elastic component is separated from the movable component, the locking separation component elastically resets and is locked with the movable component, the pressing component elastically resets and acts on the swing arm to reset the swing arm, and the movable arm component is separated from the transmission component in the continuous opening process.

An opening and closing guide part is arranged between the movable arm component and the transmission component;

when the movable arm assembly is closed to a corresponding angle, the movable arm assembly and the movable assembly are basically balanced with the elastic acting force of the transmission assembly respectively, so that the movable arm assembly generates a hovering effect, and the movable arm assembly continues to be closed under the action of the external force.

The locking and separating assembly comprises a locking and separating piece and a second elastic piece arranged between the locking and separating piece and the support, the moving assembly at least comprises a moving piece, and a pre-locking part is arranged between the locking and separating piece and the moving piece;

the locking separation part is elastically movable on the support through the second elastic part and is separated from the moving part through the pre-locking part to be unlocked or pre-locked during elastic movement.

The pressing assembly comprises a pressing piece and a third elastic piece arranged between the pressing piece and the support;

the pressing piece elastically moves on the support through the third elastic piece and acts on the swing arm through the first action end during elastic movement, so that the swing arm drives one end of the moving assembly to move through the second action end; or the swing arm is driven to reset through the first action end when the pressing piece moves elastically.

The movable arm assembly comprises a movable arm and a fourth elastic piece arranged between the movable arm and the support, the movable arm is elastically movable on the support through the fourth elastic piece, the moving assembly further comprises a fifth elastic piece, a transmission matching piece and a sixth elastic piece arranged between the moving piece and the support, the moving assembly is elastically movable on the support through the sixth elastic piece, the moving piece is elastically connected with the transmission matching piece through the fifth elastic piece, and the transmission matching piece is in transmission matching with the transmission assembly;

when the locking piece and the moving piece are unlocked, the fifth elastic piece elastically acts on the moving piece to enable the moving piece to move towards the swing arm direction, so that the elastic acting force of the movable arm assembly on the transmission assembly is larger than the elastic acting force of the moving assembly on the transmission assembly, and the movable arm elastically extends out of the support through the elastic action of the fourth elastic piece;

when the movable arm assembly is opened to a corresponding angle, the sixth elastic element elastically acts on the moving element to enable the moving assembly to move towards the transmission assembly.

The transmission assembly at least comprises a swinging block, the opening and closing guide part is arranged between the movable arm and the swinging block, and the swinging block is matched with the transmission matching piece;

when the movable arm is closed to a corresponding angle, the transmission matching piece moves and drives the first elastic piece to elastically act on the lock separating piece.

The support is provided with linear limiting guide parts corresponding to the locking and separating part, the moving part and the pressing part respectively, and the locking and separating part, the moving part and the pressing part are linearly and limitedly moved on the support through the linear limiting guide parts respectively.

The utility model discloses following beneficial effect has:

1. through setting up first elastic component, carry out the unblock to the lock from the subassembly and remove the subassembly through first elastic component and swing arm, replace original structure and carry out the unblock to the lock from the subassembly and remove the subassembly through the swing arm, the swing arm keeps transmission contact with the removal subassembly that the elastic activity set up under the effect of pressing the subassembly, there is not the transmission clearance between the two all the time promptly, the movable arm subassembly is at whole switching in-process swing arm and the removal subassembly and keep transmission contact all the time, can not collide, therefore can not produce sound, reach the silence effect, improve user's experience.

2. After the door opener presses the pressing component, the movable arm component can be automatically and completely opened, so that a user can open the movable arm component by the simplest and most convenient operation, and the user experience is improved.

3. When the movable arm component is opened to a corresponding angle, the pressing component, the lock separation component, the moving component and the swing arm can reset automatically, and the movable arm component can be opened automatically when the pressing component is pressed next time after the movable arm component is closed.

4. When the movable arm component is closed to a corresponding angle, the movable arm component and the moving component respectively basically balance the elastic acting force of the transmission component, so that the movable arm component can generate a hovering effect (the movable arm component can hover at any angle position when being continuously closed), the movable arm component can be continuously closed by using very small force at the moment, when the door opening device is applied to furniture, a hinge with larger elasticity can be installed between a furniture cabinet body and a door body, when the movable arm component generates the hovering effect, the automatic closing of the movable arm component (namely the door body) can be realized through the hinge, at the moment, a user does not need to push the door body, the door closing operation of the user is simplified, and the user experience is improved.

5. When the door opening device is applied to furniture, the movable arm assembly does not need to be installed with a door body of the furniture, and only the support needs to be fixed on a cabinet body of the furniture, so that the installation and the disassembly of the door opening device can be simplified, and the assembly efficiency of the door opening device is improved.

6. The movable arm component, the pressing component, the locking component, the moving component, the swing arm and the transmission component are arranged on the bracket, so that the integral structure of the door opener can be simplified, the number of components is reduced, the connection compactness among the components is improved, the size of the door opener is reduced, and the production cost is reduced.

Drawings

Fig. 1-4 are schematic views illustrating an opening process of the door opener according to an embodiment of the present invention.

Fig. 4-7 are schematic views illustrating a closing operation process of the door opener according to an embodiment of the present invention.

Fig. 8 is a sectional view of a door opener according to an embodiment of the present invention.

Fig. 9 is a schematic view of an internal structure of a door opener according to an embodiment of the present invention.

Fig. 10 is an exploded view of the door opener according to an embodiment of the present invention.

Fig. 11 is a schematic view of the overall structure of the furniture according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-11, the door opening device comprises a support 1, a movable arm assembly 2, a pressing assembly 3, a locking assembly 5 and a moving assembly 6, wherein the movable arm assembly 2, the pressing assembly 3, the locking assembly 5 and the moving assembly 6 are elastically and movably arranged on the support 1, the movable arm assembly 2 is elastically hinged to the support 1 to be opened and closed, a swing arm 4 is arranged between the moving assembly 6 and the pressing assembly 3, a first elastic part 20 is arranged between the locking assembly 5 and the moving assembly 6, and the first elastic part 20 is a torsion spring

When the movable arm component 2 is closed, one end of the first elastic component 20 elastically acts on the lock-off component 5, the other end of the first elastic component 20 elastically acts on the moving component 6, and in the opening and closing process of the movable arm component 2, the moving component 6 keeps transmission contact with the swing arm 4 under the action of the elastic force; when the locking and separating assembly 5 and the moving assembly 6 are unlocked, the pressing assembly 3 drives one end of the moving assembly 6 to move towards the transmission assembly 7 through the swing arm 4, and the locking and separating assembly 5 is separated from the moving assembly 6 through the first elastic piece 20 for unlocking.

The locking assembly 5 and the moving assembly 6 act on the locking assembly 5 through the first elastic piece 20 in the unlocking or locking process to compensate the transmission gap between the swing arm 4 and the moving assembly 6, namely, the locking assembly 5 and the moving assembly 6 are unlocked through the first elastic piece 20, and the swing arm 4 keeps transmission contact with the moving assembly 6 which is elastically and movably arranged under the action of the pressing assembly 3, so that no transmission gap exists between the swing arm 4 and the moving assembly 6.

The swing arm 4 is hinged on the bracket 1 and comprises a first acting end 4.1 and a second acting end 4.2;

when pressing down subassembly 3 and pressing down, through the activity of first effect end 4.1 drive swing arm 4, swing arm 4 acts on removal subassembly 6 through the transmission of second effect end 4.2, so that the moving member 9 of removal subassembly 6 one end moves to the direction of drive assembly 7, and then make the lock leave subassembly 5 and remove the 6 unblocks of subassembly, after the unblock, the lock leaves subassembly 5 and moves down, 6 one end of removal subassembly moves to the direction of swing arm 4 under the spring action, and 6 one end of removal subassembly is acted on swing arm 4 through second effect end 4.2, so that swing arm 4 presses down subassembly 3 elasticity through first effect end 4.1 drive and stretch out outside support 1, movable arm subassembly 2 stretches out outside support 1 with pressing down subassembly 3 elasticity simultaneously under the spring action.

A transmission component 7 is arranged between the moving component 6 and one end of the movable arm component 2;

when the movable arm assembly 2 is opened to a corresponding angle, the other end of the movable assembly 6 moves and acts on the transmission assembly 7, the other end of the first elastic piece 20 is separated from the movable assembly 6, at the moment, the first elastic piece 20 cannot generate acting force on the locking and separating assembly 5, the locking and separating assembly 5 elastically resets and is locked with the movable assembly 6, the pressing assembly 3 elastically resets and acts on the swing arm 4, so that the swing arm 4 resets, and the movable arm assembly 2 is separated from the transmission assembly 7 in the continuous opening process.

An opening and closing guide part is arranged between the movable arm component 2 and the transmission component 7;

when the movable arm assembly 2 is closed, the transmission assembly 7 is driven to act on the elastic moving assembly 6 through the opening and closing guide part, so that the moving assembly 6 and the lock separation assembly 5 are pre-locked, when the movable arm assembly 2 is closed to a corresponding angle, the moving assembly 6 acts on the first elastic piece 20 and drives the first elastic piece 20 to elastically act on the lock separation assembly 5, when the movable arm assembly 2 is opened by pressing next time, the first elastic piece 20 unlocks the moving assembly 6 and the lock separation assembly 5, and when the movable arm assembly 2 is closed to a corresponding angle, the movable arm assembly 2 and the moving assembly 6 respectively basically balance the elastic acting force of the transmission assembly 7, so that the movable arm assembly 2 generates a hovering effect, and the movable arm assembly 2 is continuously closed under the action of external force.

The locking and separating assembly 5 comprises a locking and separating piece 8 and a second elastic piece 10 arranged between the locking and separating piece 8 and the support 1, the moving assembly 6 at least comprises a moving piece 9, the moving piece 9 is arranged at one end of the moving assembly 6, a pre-locking part is arranged between the locking and separating piece 8 and the moving piece 9, the pre-locking part comprises a locking and separating part 8.1 arranged on the locking and separating piece 8 and a limiting part 9.1 arranged on the moving piece 9, and the second elastic piece 10 is a spring;

the locking and separating part 8 is elastically arranged on the bracket 1 through a second elastic part 10, and is separated from the moving part 9 through a pre-locking part to be unlocked or pre-locked during elastic movement; specifically, when the door opener is not started, the locking part 8.1 and the limiting part 9.1 are mutually locked in a limiting manner, when the pressing assembly 3 is pressed, the pressing assembly 3 drives the swing arm 4 to swing, so that the swing arm 4 pushes the moving member 9 to the right (in the direction of an arrow in fig. 2), further, the locking part 8.1 and the limiting part 9.1 are mutually separated, the locking part 8 is pushed downwards by the first elastic member 20, and under the action of the elastic force of the fifth elastic member 14, the moving member 9 moves towards the direction of the swing arm 4 and drives the swing arm 4 to swing; when the movable arm assembly 2 is opened to a corresponding angle, the sixth elastic part 15 drives the moving part 9 to elastically reset (i.e. the moving part 9 moves in the direction opposite to the direction of the swing arm 4), so that the pressing assembly 3 elastically resets, and drives the swing arm 4 to swing, so that the swing arm 4 resets, and meanwhile, the second elastic part 10 pushes the lock separation part 8 upwards (in the direction of an arrow in fig. 4), so that the lock separation part 8.1 and the limit part 9.1 are mutually limited and locked.

The pressing assembly 3 comprises a pressing piece 11 and a third elastic piece 18 arranged between the pressing piece 11 and the bracket 1, and the third elastic piece 18 is a spring;

the pressing piece 11 elastically moves on the bracket 1 through a third elastic piece 18 and acts on the swing arm 4 through the first acting end 4.1 during elastic movement, so that the swing arm 4 drives one end of the moving assembly 6 to move through the second acting end 4.2; or, after the pressing piece 11 extends out of the bracket 1, when the moving piece 9 elastically resets, the third elastic piece 18 elastically acts on the pressing piece 11 to elastically reset the pressing piece 11, and when the pressing piece 11 elastically resets, the swing arm 4 is driven to reset through the first acting end 4.1.

The movable arm assembly 2 comprises a movable arm 12 and a fourth elastic element 13 arranged between the movable arm 12 and the support 1, the fourth elastic element 13 is a torsion spring, one end of the torsion spring elastically acts on an acting part 1.1 of the support 1, the other end of the torsion spring elastically acts on the movable arm 12, the movable arm 12 elastically moves on the support 1 through the fourth elastic element 13, the moving assembly 6 further comprises a fifth elastic element 14, a transmission matching element 17 and a sixth elastic element 15 arranged between the moving element 9 and the support 1, the fifth elastic element 14 is a spring, the sixth elastic element 15 is a tension spring, the moving assembly 6 elastically moves on the support 1 through the sixth elastic element 15, the moving element 9 is elastically connected with the transmission matching element 17 through the fifth elastic element 14, and the transmission matching element 17 is in transmission matching with the transmission assembly 7;

when the locking and separating piece 8 and the moving piece 9 are unlocked, the fifth elastic piece 14 elastically acts on the moving piece 9, so that the moving piece 9 moves towards the swing arm 4, the elastic acting force of the movable arm assembly 2 on the transmission assembly 7 is larger than the elastic acting force of the moving assembly 6 on the transmission assembly 7, and the movable arm 12 elastically extends out of the support 1 through the elastic action of the fourth elastic piece 13; specifically, when the door opener is not started, that is, when the pressing assembly 3 is not pressed, the fifth elastic element 14 is in a compressed state, the elastic force of the fifth elastic element 14 acts on the transmission assembly 7 through the transmission matching part 17, and further acts on the movable arm 12, and the elastic force of the fifth elastic element 14 is substantially the same as (balanced with) the elastic force of the fourth elastic element 13, so that the movable arm 12 cannot rotate; when the pressing assembly 3 presses, the moving member 9 moves toward the swing arm 4, so that the elastic force of the fifth elastic member 14 is released (the fifth elastic member 14 is in an elongated state), at this time, the elastic force of the fifth elastic member 14 is smaller than the elastic force of the fourth elastic member 13, and the movable arm 12 automatically opens under the elastic force of the fourth elastic member 13 and continues to the maximum position.

In addition, the fifth elastic part 14 plays a role in the elastic force of the moving part 9, the third elastic part 18 plays a role in the elastic force of the swing arm 4 through the pressing part 11, so that the moving part 9 is in transmission contact with the second action end 4.2 of the swing arm 4, namely, the second action end 4.2 of the swing arm 4 always moves along with the moving part 9, or the moving part 9 always moves along with the second action end 4.2 of the swing arm 4, no idle stroke exists between the moving part and the swing arm, no transmission gap exists, and therefore the moving part and the swing arm do not collide with each other when moving.

When the movable arm assembly 2 is opened to a corresponding angle, the sixth elastic element 15 elastically acts on the moving element 9 to move the moving assembly 6 towards the transmission assembly 7.

The transmission assembly 7 at least comprises a swinging block 16, an opening and closing guide part is arranged between the movable arm 12 and the swinging block 16, and the swinging block 16 is matched with a transmission matching piece 17;

when the movable arm 12 is closed, the swing block 16 is driven to swing through the opening and closing guide part, when the swing block 16 swings, the swing block acts on the transmission matching part 17, so that the transmission matching part 17 moves towards the moving part 9, and acts on the moving part 9 through the fifth elastic part 14, so that the moving part 9 is pre-locked with the locking and separating part 8, when the transmission matching part 17 moves, the fifth elastic part 14 is compressed, when the movable arm 12 is closed to a corresponding angle, the transmission matching part 17 moves and drives the first elastic part 20 to elastically act on the locking and separating part 8; when the movable arm 12 is closed to a corresponding angle, the elastic acting forces of the movable arm assembly 2 and the moving assembly 6 acting on the transmission assembly 7 are basically balanced, that is, the elastic force of the fifth elastic element 14 is basically balanced (same) as the elastic force of the fourth elastic element 13, the elastic force of the fifth elastic element 14 acts on the swinging block 16 through the transmission matching element 17, and then the swinging block 16 acts on the movable arm 12 through the opening and closing guide portion, so that the movable arm 12 generates a hovering effect.

The opening and closing guide part comprises a guide part 12.1 arranged on the movable arm 12 and a curve guide matching part 16.1 arranged on the swinging block 16, and the guide part 12.1 is a rotating wheel rotatably arranged on the movable arm 12;

when the movable arm component 2 is opened, the moving component 9 elastically resets and drives the transmission matching component 17 to move, and the transmission matching component 17 drives the swinging block 16 to swing and act on the movable arm 12, so that the movable arm 12 is opened by rotating along the curve guide matching part 16.1 through the guide part 12.1; an action point 16.2 is arranged on the curve guide matching part 16.1, when the movable arm 12 is opened to a corresponding angle, the guide part 12.1 is separated from the curve guide matching part 16.1 along the action point 16.2, so that the movable arm 12 is separated from the swinging block 16 (transmission component 7), and then the movable arm 12 is in a state of being separated from the swinging block 16 when the movable arm 12 is continuously opened;

when the movable arm assembly 2 is closed to a corresponding angle, the guide part 12.1 of the movable arm 12 acts on the curve guide matching part 16.1 along the action point 16.2 under the action of external force to enable the swing block 16 to swing, the guide part 12.1 does not act on the curve guide matching part 16.1 when the movable arm assembly 2 starts to be closed, when the movable arm assembly 2 is closed to the corresponding angle, the guide part 12.1 is in contact with the action point 16.2, and then when the movable arm assembly 2 continues to be closed, the guide part 12.1 acts on the curve guide matching part 16.1 until the movable arm assembly 2 is completely closed;

the guide portion 12.1 and the curved guide engagement portion 16.1 guide the rotation of the movable arm 12 during the opening or closing of the movable arm 12.

The support 1 is provided with linear limiting guide parts corresponding to the locking and separating part 8, the moving part 9 and the pressing part 11 respectively, and the locking and separating part 8, the moving part 9 and the pressing part 11 are in linear limiting activity on the support 1 through the linear limiting guide parts respectively.

The locking separation piece 8 is provided with a first acting part 8.2, the transmission matching piece 17 is provided with a second acting part 17.1, when the movable arm component 2 is closed, one end of the first elastic piece 20 elastically acts on the first acting part 8.2, and the other end of the first elastic piece 20 elastically acts on the second acting part 17.1.

The door opening device is applied to furniture, the furniture comprises a cabinet body A and a door body B, the door body B is hinged on the cabinet body A through a hinge C with larger elasticity, a support 1 is fixed on the cabinet body A, one end of a movable arm 12 is rotatably provided with a roller 19 made of plastic, and when the movable arm 12 is hinged on the support 1 to be opened and closed, the roller 19 moves on the door body B, so that the door body B is opened or closed; when the door body B is closed, the door body B is pressed, the pressing assembly 3 is further pressed through the door body, the door body B is opened, the door body B is pushed by a hand after the door body B is opened, the door body B starts to be closed, the movable arms 12 are also closed simultaneously, when the movable arms 12 are closed to corresponding angles, the movable arm assemblies 2 and the movable assemblies 6 respectively basically balance the elastic acting force of the transmission assembly 7, the door body B is loosened at the moment, under the elastic action of the hinge C, the door body B can be automatically closed, and the movable arms 12 are closed simultaneously.

Through setting up gyro wheel 19, when the articulated switching of digging arm 2 was on support 1, gyro wheel 19 and door body B rolling contact realized opening or closing of door body B for digging arm 2 need not install with door body B, can simplify the installation of door opener and dismantle.

The working process of the door opening device is as follows:

and (3) opening process:

referring to fig. 1 to 4, the pressing member 11 is pressed, the pressing member 11 drives the swing arm 4 to push the moving member 9 to the right, the first elastic member 10 pushes the separation locking member 8 downward, the separation locking member 8 and the moving member 9 are unlocked from each other, the moving member 9 moves toward the swing arm 4 under the elastic force of the fifth elastic member 14, the movable arm 2 is opened under the elastic force of the fourth elastic member 13, meanwhile, the swing arm 9 drives the swing arm 4 to push the pressing member 11 downward, so that the pressing member 11 extends out of the bracket 1, when the movable arm 12 is opened to a corresponding angle, the moving member 9 is reset under the elastic force of the sixth elastic member 15 and drives the transmission matching member 17 to move, the other end of the first elastic member 20 is separated from the transmission matching member 17, the transmission matching member 17 drives the swing block 16 to act on the movable arm 12, so that the movable arm 12 is opened continuously along the opening and closing guide portion under the elastic force of the fourth elastic member 13, and when the movable arm 12 is opened to a corresponding angle, the movable arm 12 is separated from the swing block 16, and then the movable arm 12 is opened to the maximum position; when the moving member 9 is reset, the pressing member 11 is reset under the elastic action of the third elastic member 18, the swing arm 4 is driven to reset when the pressing member 11 is reset, meanwhile, the locking member 8 is reset under the elastic action of the second elastic member 10, and the locking member 8 is mutually locked with the moving member 9 after being reset.

And (3) closing process:

referring to fig. 4-7, the movable arm 12 starts to close under the action of an external force, and when the movable arm 12 is closed to a corresponding angle, the movable arm 12 drives the swing block 16 to swing through the opening and closing guide portion, and then the swing block 16 drives the transmission matching part 17 to move towards the moving part 9, and further the fifth elastic part 14 is compressed, the moving assembly 6 is pre-locked with the locking and unlocking assembly 5, when the movable arm 12 is closed to the corresponding angle, the transmission matching part 17 acts on the first elastic part 20 and drives the first elastic part 20 to elastically act on the locking and unlocking part 8, the first elastic part 20 is compressed, when the movable arm 12 is closed to the corresponding angle, the elastic acting forces of the movable arm assembly 2 and the moving assembly 6 on the swing block 16 are basically balanced, and the movable arm 12 continues to be closed to the maximum position under the action of the external force.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a door opener, includes that support (1) and elastic activity set up digging arm subassembly (2) on support (1), press subassembly (3), lock from subassembly (5) and remove subassembly (6), and digging arm subassembly (2) elasticity hinges the switching on support (1), removes subassembly (6) and presses to be equipped with swing arm (4) between subassembly (3), its characterized in that: a first elastic piece (20) is arranged between the locking component (5) and the moving component (6);

when the movable arm assembly (2) is closed, one end of the first elastic piece (20) elastically acts on the lock separation assembly (5), the other end of the first elastic piece (20) elastically acts on the moving assembly (6), and in the opening and closing process of the movable arm assembly (2), the moving assembly (6) keeps transmission contact with the swing arm (4) under the action of elasticity; and when the locking and unlocking assembly (5) and the moving assembly (6) are unlocked, the pressing assembly (3) drives one end of the moving assembly (6) to move through the swing arm (4), and the locking and unlocking assembly (5) is separated from the moving assembly (6) through the first elastic piece (20) for unlocking.

2. The door opener of claim 1, wherein: the lock-out component (5) and the moving component (6) act on the lock-out component (5) through the first elastic piece (20) in the unlocking or locking process so as to compensate the transmission clearance between the swing arm (4) and the moving component (6).

3. The door opener of claim 1, wherein: the swing arm (4) is hinged on the bracket (1) and comprises a first acting end (4.1) and a second acting end (4.2);

press subassembly (3) and drive swing arm (4) activity through first effect end (4.1) when pressing, swing arm (4) act on removal subassembly (6) through second effect end (4.2) transmission, so that remove subassembly (6) one end and remove, and lock from subassembly (5) and removal subassembly (6) unblock, remove subassembly (6) one end and act on swing arm (4) through second effect end (4.2), so that swing arm (4) press subassembly (3) elasticity through first effect end (4.1) drive and stretch out outside support (1), movable arm subassembly (2) with press subassembly (3) elasticity simultaneously and stretch out outside support (1).

4. The door opener of claim 1, wherein: a transmission component (7) is arranged between one end of the moving component (6) and one end of the movable arm component (2);

when the movable arm assembly (2) is opened to a corresponding angle, the other end of the movable assembly (6) moves and acts on the transmission assembly (7), the other end of the first elastic piece (20) is separated from the movable assembly (6), the lock separation assembly (5) elastically resets and is locked with the movable assembly (6), the pressing assembly (3) elastically resets and acts on the swing arm (4) to reset the swing arm (4), and the movable arm assembly (2) is separated from the transmission assembly (7) in the continuous opening process.

5. The door opener of claim 4, wherein: an opening and closing guide part is arranged between the movable arm component (2) and the transmission component (7);

when the movable arm assembly (2) is closed, the transmission assembly (7) is driven to act on the elastic moving assembly (6) through the opening and closing guide part, so that the moving assembly (6) and the lock are pre-locked from the assembly (5), when the movable arm assembly (2) is closed to a corresponding angle, the moving assembly (6) acts on the first elastic piece (20) and drives the first elastic piece (20) to act on the lock-off assembly (5), and when the movable arm assembly (2) is closed to the corresponding angle, the movable arm assembly (2) and the moving assembly (6) are respectively basically balanced to the elastic acting force of the transmission assembly (7), so that the movable arm assembly (2) generates a hovering effect, and the movable arm assembly (2) is continuously closed under the action of external force.

6. The door opener of claim 5, wherein: the locking and separating assembly (5) comprises a locking and separating piece (8) and a second elastic piece (10) arranged between the locking and separating piece (8) and the support (1), the moving assembly (6) at least comprises a moving piece (9), and a pre-locking part is arranged between the locking and separating piece (8) and the moving piece (9);

the locking and separating piece (8) is elastically movable on the support (1) through a second elastic piece (10), and is separated from the moving piece (9) through the pre-locking part to be unlocked or pre-locked during elastic movement.

7. The door opener of claim 3, wherein: the pressing assembly (3) comprises a pressing piece (11) and a third elastic piece (18) arranged between the pressing piece (11) and the support (1);

the pressing piece (11) elastically moves on the support (1) through a third elastic piece (18) and acts on the swing arm (4) through the first acting end (4.1) during elastic movement, so that the swing arm (4) drives one end of the moving assembly (6) to move through the second acting end (4.2); or the pressing piece (11) drives the swing arm (4) to reset through the first acting end (4.1) when moving elastically.

8. The door opener of claim 6, wherein: the movable arm assembly (2) comprises a movable arm (12) and a fourth elastic part (13) arranged between the movable arm (12) and the support (1), the movable arm (12) elastically moves on the support (1) through the fourth elastic part (13), the moving assembly (6) further comprises a fifth elastic part (14), a transmission matching part (17) and a sixth elastic part (15) arranged between the moving part (9) and the support (1), the moving assembly (6) elastically moves on the support (1) through the sixth elastic part (15), the moving part (9) is elastically connected with the transmission matching part (17) through the fifth elastic part (14), and the transmission matching part (17) is in transmission matching with the transmission assembly (7);

when the locking separation piece (8) and the moving piece (9) are unlocked, the fifth elastic piece (14) elastically acts on the moving piece (9) to enable the moving piece (9) to move towards the direction of the swing arm (4), so that the elastic acting force of the movable arm assembly (2) on the transmission assembly (7) is greater than the elastic acting force of the movable assembly (6) on the transmission assembly (7), and the movable arm (12) elastically extends out of the support (1) through the elastic action of the fourth elastic piece (13);

when the movable arm assembly (2) is opened to a corresponding angle, the sixth elastic piece (15) elastically acts on the moving piece (9) so as to enable the moving assembly (6) to move towards the transmission assembly (7).

9. The door opener of claim 6, wherein: the transmission assembly (7) at least comprises a swinging block (16), the opening and closing guide part is arranged between the movable arm (12) and the swinging block (16), and the swinging block (16) is matched with the transmission matching piece (17);

when the movable arm (12) is closed, the swing block (16) is driven to swing through the opening and closing guide part, when the swing block (16) swings, the swing block acts on the transmission matching piece (17), so that the transmission matching piece (17) moves towards the moving piece (9) and acts on the moving piece (9) through the fifth elastic piece (14), so that the moving piece (9) and the locking and separating piece (8) are pre-locked, and when the movable arm (12) is closed to a corresponding angle, the transmission matching piece (17) moves and drives the first elastic piece (20) to elastically act on the locking and separating piece (8).

10. The door opener of claim 6, wherein: the linear limiting guide parts are arranged on the support (1) corresponding to the locking and separating piece (8), the moving piece (9) and the pressing piece (11) respectively, and the locking and separating piece (8), the moving piece (9) and the pressing piece (11) are linearly limited and move on the support (1) through the linear limiting guide parts respectively.