Electric hinge
Technical Field
The utility model relates to an open and shut structural installation accessory technical field especially relates to an electric hinge.
Background
The hinge is also called a hinge, is a mechanical device used for connecting two solids and allowing the two solids to rotate relatively, and is widely applied to the fields of household, electrical appliances and industry. Hinge on the existing market is mostly artifical hinge, need set up the handle on the door body and open the door through manual control handle, can not realize automatic opening, and degree of automation is low, and the door body outside is located to the handle, not only accounts for the space, and the people is removing the in-process health and hit the handle very easily moreover. In addition, the hinge often can produce great noise when the opening and closing of the door body, influences use comfort.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above-mentioned problem, provide an electronic hinge, can realize the automatic switch door, and the switch door in-process can the electric control at the uniform velocity switch door, the noise that produces when can eliminating the switch door improves use comfort.
The utility model adopts the following technical scheme: the utility model provides an electric hinge, including casing, rotation piece, guide block, transmission support, electric drive device, the subassembly of opening the door and the subassembly of closing the door, the one end of rotation piece respectively with the casing with the transmission support articulates, electric drive device with the transmission support keep away from the one end of rotation piece is connected, in order to control the velocity of motion of transmission support, the guide block is fixed to be located in the casing, transmission support movably locates on the guide block, the guide block is located the middle part of transmission support, the subassembly of opening the door is located between rotation piece and the guide block, the subassembly of closing the door is located between the guide block and the electric drive device;
the rotating part is provided with two limit positions, when the door is opened, the transmission bracket moves towards a first direction, the door opening assembly is abutted on the rotating part and used for driving the rotating part to rotate, and the rotating part rotates from the first limit position to a second limit position; when the door is closed, the door closing assembly is linked with the transmission bracket to move towards the second direction, and then the rotating piece is driven to rotate from the second limit position to the first limit position.
In an example of the present invention, the transmission bracket includes a first transmission bracket and a second transmission bracket connected to each other, the first transmission bracket is hinged to the rotating member, and the guide block is located on the second transmission bracket.
In an example of the utility model, the inner wall of first drive bracket is equipped with spacing arch, the subassembly of opening the door includes lock door wheel, first body and first spring, be equipped with the draw-in groove on the first body, lock door wheel supports to locate rotate on the piece, just lock door wheel passes through the draw-in groove with this body coupling, first spring housing is located on the first body, just the both ends of first spring are supported respectively first body with spacing arch is last, through the elastic deformation of first spring is used for doing lock door wheel drive rotate and provide drive power.
In an example of the present invention, the second transmission bracket is a rod-like structure, and the second transmission bracket is kept away from the first transmission bracket one end is provided with a stopper, the door closing assembly includes a second spring, the second spring housing is disposed on the second transmission bracket, and the two ends of the second spring are respectively supported on the guide block and the stopper.
In an embodiment of the present invention, the elastic force of the second spring is greater than the weight of the door body.
In an example of the utility model, electric drive device includes installing support, motor, third transmission frame, the travel switch that opens the door, the travel switch that closes the door, lead screw and leading nut, the installing support is located keeping away from of casing the tip of rotating the piece, the third transmission frame is located in the installing support, just the third transmission frame with transmission leg joint, the motor the travel switch that opens the door with the travel switch that closes the door all locates on the installing support, lead screw locates the output of motor, leading nut locates in the third transmission frame, lead screw with leading nut cooperatees and forms the lead screw structure, the travel switch that opens the door with the travel switch that closes the door controls respectively lead screw's direction of motion, and then the motion of transmission interlock support.
In an example of the present invention, the rotating member is provided with a limiting buckle for limiting during installation.
The utility model has the advantages that: when the electric hinge provided by the utility model is opened, the electric driving device controls the transmission bracket to move towards the first direction, and the door opening component can jack the rotating piece, so that the rotating piece rotates from the first limit position to the second limit position, and the automatic door opening is realized; when closing the door, electric drive device control transmission support moves toward the second direction, the subassembly interlock transmission support that closes the door simultaneously moves toward the second direction, because it is articulated with casing and transmission support respectively to rotate the piece, can the interlock rotate the piece and take place the gyration when transmission support moves toward the second direction, make it rotate to first extreme position from second extreme position, realize automatic closing the door, and under the effect of subassembly and the subassembly of closing the door of opening the door, rather than drive the rotation piece through the lever power that electric drive device direct promotion rotated the piece and formed and rotate, can reduce the drive requirement to electric drive device. The electric driving device connected with the transmission support can control the transmission support to move towards the first direction or the second direction at a uniform speed, controls the door opening and closing speed, can eliminate noise generated when the door is opened and closed, and improves the use comfort level.
Drawings
Fig. 1 is a schematic structural view of the electric hinge of the present invention in a first extreme position;
fig. 2 is a schematic structural view of the electric hinge of the present invention in a second extreme position;
fig. 3 is a schematic view of the internal structure of the electric hinge of the present invention;
fig. 4 is an exploded view of the electric hinge of the present invention;
fig. 5 is a schematic view of the assembly relationship between the first body and the first spring according to the present invention;
fig. 6 is a schematic structural view of a second transmission bracket according to the present invention.
The figures are numbered: 1. a housing; 2. a rotating member; 3. a guide block; 4. a transmission bracket; 5. an electric drive device; 6. a door opening assembly; 7. a door closing assembly; 8. a limiting buckle; 41. a first transmission bracket; 42. a second drive bracket; 61. a door locking wheel; 62. a first body; 63. a first spring; 621. a card slot; 421. a limiting block; 71. a second spring; 51. mounting a bracket; 52. a motor; 53. a third transmission frame; 54. a door opening travel switch; 55. a door closing travel switch; 56. a lead screw; 57. a guide nut; a. a first extreme position; b. a second extreme position; c. moving in a first direction; d. and a second direction of motion.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown.
Referring to fig. 1-6, the present invention provides an electric hinge, which includes a housing 1, a rotating member 2, a guiding block 3, a transmission bracket 4, an electric driving device 5, a door opening assembly 6 and a door closing assembly 7, wherein one end of the rotating member 2 is hinged to the housing 1 and the transmission bracket 4, the electric driving device 5 is connected to one end of the transmission bracket 4 away from the rotating member 2 to control the moving speed of the transmission bracket 4, the guiding block 3 is fixed in the housing 1, the transmission bracket 4 is movably disposed on the guiding block 3, the guiding block 3 is located in the middle of the transmission bracket 4, the door opening assembly 6 is disposed between the rotating member 2 and the guiding block 3, and the door closing assembly 7 is disposed between the guiding block 3 and the electric driving device 5;
the rotating part 2 has two limit positions, when the door is opened, the transmission bracket 4 moves towards a first direction, the door opening assembly 6 is abutted on the rotating part 2 and used for driving the rotating part 2 to rotate, and the rotating part 2 rotates from the first limit position to a second limit position; when the door is closed, the door closing assembly 7 is linked with the transmission bracket 4 to move towards the second direction, so as to drive the rotating member 2 to rotate from the second limit position to the first limit position.
When the door is opened, the electric driving device 5 controls the transmission bracket 4 to move towards the first direction, and the door opening assembly 6 can jack the rotating piece 2, so that the rotating piece 2 rotates from the first limit position to the second limit position, and automatic door opening is realized; when closing the door, electric drive device 5 control transmission support 4 moves toward the second direction, the subassembly 7 interlock transmission support 4 of closing the door simultaneously moves toward the second direction, because it is articulated with casing 1 and transmission support 4 respectively to rotate piece 2, can interlock rotation piece 2 take place the gyration when transmission support 4 moves toward the second direction, make rotation piece 2 rotate first extreme position from second extreme position, realize automatic closing the door, and under the effect of subassembly 6 and the subassembly 7 of closing the door of opening the door, rather than drive rotation piece 2 through the lever power that electric drive device 5 directly promoted rotation piece 2 and formed and rotate, can reduce the drive power requirement to electric drive device 5. The electric driving device 5 connected with the transmission support 4 can control the transmission support to move at a constant speed in the first direction or the second direction, controls the door opening and closing speed, can eliminate noise generated when opening and closing the door, and improves the use comfort level.
The transmission bracket 4 comprises a first transmission bracket 41 and a second transmission bracket 42 which are connected with each other, the first transmission bracket 41 is hinged with the rotating part 2, and the guide block 3 is positioned on the second transmission bracket 42. Due to the different structures of the door opening and closing assembly 6, 7, two different supports are provided to accommodate the structures of the door opening and closing assembly 6, 7. And the first transmission bracket 41 and the second transmission bracket 42 are independent structures, so that the respective working stability is promoted, and the respective service life can be prolonged. But not limited to this, transmission support 4 also can be integral type structure, simple structure, the utility model discloses do not limit to this.
The inner wall of the first transmission bracket 41 is provided with a limiting protrusion (not shown in the figure), the door opening assembly 6 comprises a door locking wheel 61, a first body 62 and a first spring 63, a clamping groove 621 is formed in the first body 62, the door locking wheel 61 is abutted to the rotating member 2, the door locking wheel 61 is connected with the first body 62 through the clamping groove 621, the first spring 63 is sleeved on the first body 62, two ends of the first spring 63 are respectively abutted to the first body 62 and the limiting protrusion, and elastic deformation through the first spring 63 is used for driving the rotating member 2 to rotate to provide driving force for the door locking wheel 61. When opening the door, electric drive device 5 control transmission support 4 moves toward first direction, electric drive device 5 no longer applys compression effort to first spring 63, the first spring 63 of compressed has the space of resilience, and then drive first body 62 and the lock door wheel 61 of card on first body 62 toward rotating 2 direction movements, lock door wheel 61 can push open and rotate piece 2, make to rotate piece 2 and rotate a second extreme position from first extreme position, realize automatic opening the door.
The second transmission bracket 42 is of a rod-shaped structure, one end of the second transmission bracket 42, which is far away from the first transmission bracket 41, is provided with a limit block 421, the door closing assembly 7 includes a second spring 71, the second transmission bracket 42 is sleeved with the second spring 71, and two ends of the second spring 71 respectively abut against the guide block 3 and the limit block 421. In the door-open state, the second spring 71 is in a compressed state. When the door is closed, the electric driving device 5 controls the transmission support 4 to move towards the second direction, the electric driving device 5 does not apply compression acting force to the second spring 71 any longer, the compressed second spring 71 has a rebounding space, the second spring 71 applies acting force towards the limiting block 421 in the second direction, so that the transmission support 4 moves towards the second direction, and the rotating part 2 rotates to the first limit position from the second limit position, so that the door is automatically closed.
The elastic force of the second spring 71 is greater than the self weight of the door body, and when the electric driving device 5 does not apply compression acting force to the second spring 71 any more, the resilience of the second spring 71 can be linked with the automatic closing of the door body.
The electric driving device 5 comprises a mounting bracket 51, a motor 52, a third transmission frame 53, a door opening travel switch 54, a door closing travel switch 55, a guide screw 56 and a guide nut 57, wherein the mounting bracket 51 is arranged at the end part of the shell 1 far away from the rotating part 2, the third transmission frame 53 is arranged in the mounting bracket 51, and the third transmission frame 53 is connected with the transmission frame 4, the motor 52, the door opening travel switch 54 and the door closing travel switch 55 are all arranged on the mounting frame 51, the guide screw 56 is arranged at the output end of the motor 52, the guide nut 57 is arranged in the third transmission frame 53, the guide screw 56 and the guide nut 57 are matched to form a screw rod structure, the door opening travel switch 54 and the door closing travel switch 55 respectively control the movement direction of the guide screw 56, further, the movement of the transmission bracket 4 is interlocked, and the movement speed of the transmission bracket 4 can be controlled by controlling the movement speed of the lead screw 56. The door opening travel switch 54 controls the guide screw 56 to move towards the first direction, and the guide screw 56 is linked with the third transmission frame 53 and the transmission frame 4 to move towards the first direction; the door closing stroke switch 55 controls the lead screw 56 to move in the second direction, and the lead screw 56 moves in the second direction in conjunction with the third transmission rack 53 and the transmission rack 4.
Be equipped with spacing buckle 8 when being used for the installation on rotating piece 2, install first connecting piece on the door body that needs the installation, spacing buckle 8 withstands the door body, spacing when realizing the installation of the door body.
The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.