Door opening device for building evacuation door
Technical Field
The utility model relates to a building evacuation door opening door device belongs to the door opener field.
Background
The servo motor can control the speed and position accuracy accurately, and can convert the voltage signal into torque and rotating speed to drive a control object. The rotation speed of the rotor of the servo motor is controlled by an input signal and can quickly respond, the servo motor is used as an actuating element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity, starting voltage and the like, and can convert a received electric signal into angular displacement or angular speed on a motor shaft for output. The servo motor is divided into two categories of direct current servo motors and alternating current servo motors, and is mainly characterized in that when the signal voltage is zero, the signal voltage has no autorotation phenomenon, and the rotating speed is reduced at a constant speed along with the increase of the torque.
The prior art discloses the application numbers as follows: the invention discloses a remote control door opener easy to assemble and disassemble for a dormitory door lock, which comprises a speed reducing motor and a door opener shell fixed on the lock body shell, wherein a handle sleeve sleeved on a lock body handle is arranged in the door opener shell, two parallel connecting shafts are arranged at one end, away from the lock body shell, of the handle sleeve, the connecting shafts extend out of the door opener shell and are connected with an external handle, the speed reducing motor is positioned between the handle sleeve and the external handle and is connected with the inner wall of the door opener shell through a motor support, the output shaft of the speed reducing motor is a D-shaped shaft, the other end of the D-shaped shaft is connected with a D-shaped hole in the handle sleeve, a single chip microcomputer, an infrared receiving head, a wireless receiving module, a Bluetooth module and a motor driving. The door lock can enable a user to remotely control to open the door when the user is inconvenient to get up to open the door, can use the charger to supply power, is small and convenient, and is particularly suitable for dormitory door locks in colleges and universities and the like. Easy dismouting, the security is high and with low costs. However, the prior art is imperfect, the equipment cannot automatically open the door when dangerous conditions occur, and the practical value of the equipment is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a door opener is evacuated to building to solve prior art imperfection, this equipment can't open the door automatically when the dangerous condition appears, reduces the practical value of equipment.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a building evacuation door opening door device, its structure includes door handle, external fixation frame, left door frame, left glass door, left fixed block, right glass door, right door frame, automatic switching device, door handle rear end and left door frame right-hand member front side fixed connection, left glass door side is inlayed inside left door frame, left door frame left end and external fixation frame left end right side are connected perpendicularly which characterized in that:
the back of the left fixed block is vertically connected with the front side of the top of the left half end of the external fixing frame, the back of the right fixed block is vertically connected with the front side of the top of the right half end of the external fixing frame, the side surface of the right glass door is fixedly connected with the inside of a right door frame, the right end of the right door frame is rotatably connected with the left side of the right end of the external fixing frame, and the automatic switching device is installed inside the right end of the external fixing frame;
the automatic switching device is composed of an outer connecting disc, a rotary disc, a servo motor, a rocker, a connecting block, a buffer frame and a fixed base plate, wherein the inner side of the outer connecting disc is fixedly connected with the outer side of the rotary disc, the inner part of the rotary disc is vertically connected with the front end of the servo motor, the bottom of the rocker is welded with the top of the outer connecting disc, the right side of the rocker is vertically connected with the left side of the connecting block, the bottom of the buffer frame is welded with the top of the fixed base plate, and the right end of the buffer frame is attached.
Furthermore, the buffer frame consists of a top plate, a spring and a bottom plate.
Further, the bottom of the top plate is fixedly connected with the top of the spring.
Further, the bottom of the spring is vertically connected with the top of the bottom plate.
Further, the bottom of the bottom plate is fixedly connected with the top of the fixed bottom plate.
Further, the type of the servo motor is 40DNA-40CB1 AMS.
Further, the right glass door can be passed through light.
The utility model discloses increased automatic switching device, the device can open the door automatically when the dangerous condition appears, improve equipment's practical value.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of the door opening device for an evacuation door of a building of the present invention.
Fig. 2 is a schematic structural view of the automatic opening and closing apparatus of the present invention.
Fig. 3 is a schematic structural view of the buffer frame of the present invention.
In the figure: the door handle comprises a door handle-1, an outer fixing frame-2, a left door frame-3, a left glass door-4, a left fixing block-5, a right fixing block-6, a right glass door-7, a right door frame-8, an automatic switching device-9, an outer connecting disc-901, a rotary disc-902, a servo motor-903, a rocker-904, a connecting block-905, a buffer frame-906, a fixing bottom plate-907, a top plate-9061, a spring-9062 and a bottom plate-9063.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1, 2 and 3, the present invention provides a technical solution of an door opening device for an evacuation door of a building: the structure of the door handle comprises a door handle 1, an external fixing frame 2, a left door frame 3, a left glass door 4, a left fixing block 5, a right fixing block 6, a right glass door 7, a right door frame 8 and an automatic switching device 9, wherein the rear end of the door handle 1 is fixedly connected with the front side of the right end of the left door frame 3, the side surface of the left glass door 4 is embedded in the left door frame 3, the left end of the left door frame 3 is vertically connected with the right side of the left end of the external fixing frame 2, the back of the left fixing block 5 is vertically connected with the front side of the top of the left half end of the external fixing frame 2, the back of the right fixing block 6 is vertically connected with the front side of the top of the right half end of the external fixing frame 2, the side surface of the right glass door 7 is fixedly connected with the inside of the right door frame 8, the; the automatic switch device 9 comprises an outer connecting disc 901, a turntable 902, a servo motor 903, a rocker 904, a connecting block 905, a buffer frame 906 and a fixed bottom plate 907, wherein the inner side of the outer connecting disc 901 is fixedly connected with the outer side of the turntable 902, the inner part of the turntable 902 is vertically connected with the front end of the servo motor 903, the bottom of the rocker 904 is welded with the top of the outer connecting disc 901, the right side of the rocker 904 is vertically connected with the left side of the connecting block 905, the bottom of the buffer frame 906 is welded with the top of the fixed bottom plate 907, the right end of the buffer frame 906 is connected with the left end of the outer connecting disc 901 in an attaching manner, the buffer frame 906 comprises a top plate 9061, a spring 9062 and a bottom plate 9063, the bottom of the top plate 9061 is fixedly connected with the top of the spring 9062, the bottom of the bottom plate 9063 is fixedly connected with the top of the fixed bottom plate 907, the right glass door 7 is light-permeable.
The control mode of the servo motor is automatically controlled by a controller, a control circuit of the controller can be realized by simple programming of a person skilled in the art, the servo motor belongs to the common knowledge in the field, and the servo motor is mainly used for protecting a mechanical device, so the control mode and the circuit connection are not explained in detail in the invention.
When using, we need to open right glass door 7, right door frame 8 through automatic switch device 9, servo motor 903 can drive carousel 902 and rotate, carousel 902 can drive outer joint dish 901 and rotate, outer joint dish 901 can drive rocker 904, connecting block 905 rotates simultaneously with right glass door 7, right door frame 8 is opened, connecting block 905 is with down extruding spring 9062 through roof 9061, can increase the cushion effect like this, the device can open the door automatically when the dangerous condition appears, improve equipment's practical value.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.