Door closer convenient to adjust

Abstract

The utility model discloses a door closer convenient to adjust, and relates to the technical field of door closers. The door comprises a door frame, a door body and door closing assemblies, door body hinges are installed in the door frame, the door closing assemblies are jointly installed on the side wall of the door frame and the side wall of the door body, and each door closing assembly comprises an installation bottom plate and an equipment base matched with the installation bottom plate. The motor is arranged, the output shaft of the motor is controlled to drive the sleeve shaft block to rotate, then the lengthened shaft rod drives the first connecting rod to rotate clockwise, the first connecting rod forwards pushes the second connecting rod through the connecting shaft, the second connecting rod is connected with the third connecting rod, and the connecting piece is pushed; the door body can be opened under the forward pushing action of the third connecting rod through connection of the connecting piece and the door body, closing of the door body in the door frame can be achieved through reverse rotation of the output shaft of the motor, only one motor serves as a driving device of the closing assembly, the structure is simpler, meanwhile, the fault rate is lower, and the practical effect is better.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of door closer, especially a kind of door closer of being convenient for adjustment. BACKGROUND

[0002] Door closer is a spring-like hydraulic device on the door head, which can automatically close the door after being compressed and released when the door is opened, and has the function of spring door, which can ensure that the door is accurately and timely closed to the initial position. It is mainly used in commercial and public buildings, but also used at home. They have many uses, the most important of which is to make the door close automatically to limit the spread of fire and ventilation in the building.

[0003] At present, most of the door closers in the prior art use spring and piston to control the rotation of the door closer connecting rod to close the door, but such door closers have high failure rate, and the maintenance and replacement of the internal piston and spring after aging are more complicated and not practical. Therefore, we provide a kind of door closer convenient to adjust to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of door closer convenient to adjust, by the cooperation of motor and first connecting rod, second connecting rod, solve the problem of the internal driving parts of the door closer assembly in prior art, prone to failure due to aging and other problems and maintenance, replacement is more complicated.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme.

[0006] The utility model is a kind of door closer convenient to adjust, including door frame, door body and door closing assembly, the door body hinge is installed in door frame, the door closing assembly is jointly installed on the side wall of door frame and door body, the door closing assembly includes installation bottom plate and matched equipment seat, the side wall of equipment seat is fixedly installed with motor, the output shaft of motor is fixedly sleeved with sleeve block, the lower end of sleeve block is matched and sleeved with lengthened axle rod, the lower end of lengthened axle rod is provided with first connecting rod, the front end of first connecting rod is inserted with connecting shaft, the lower end of connecting shaft is rotatably sleeved with second connecting rod, the lower end of second connecting rod is provided with third connecting rod, the front end of third connecting rod is movably installed with connecting piece, the upper end surface of third connecting rod is provided with adjusting slot hole, the lower end surface of second connecting rod is provided with a plurality of adjusting screw grooves, two fastening bolts are slidably arranged in adjusting slot hole.

[0007] The utility model further sets up, the side wall of mounting bottom plate is equipped with a plurality of second installation hole, the side wall of equipment seat is equipped with a plurality of first installation hole, the side wall of mounting bottom plate is equipped with a plurality of matched third installation hole, a plurality of first installation hole and matched third installation hole are commonly provided with mounting bolt.

[0008] The utility model further sets up, the side wall of mounting bottom plate is equipped with two wiring holes, the side wall of door frame is equipped with two line holes matched with wiring hole.

[0009] The utility model further sets up, the outside of equipment seat is provided with dust cover, both sides of equipment seat are equipped with side thread groove, both sides of dust cover are equipped with side thread hole matched with side thread groove, both side thread holes and matched side thread grooves are commonly provided with No.

[0010] The utility model further sets up, the bottom of lengthening axle rod is equipped with bottom thread groove, the lower end of No.

[0011] The utility model further sets up, the side wall of equipment seat is equipped with controller, the outside of controller is provided with remote controller, the signal emission end of remote controller is connected with the signal receiving end of controller, the signal emission end of controller is electrically connected with the signal receiving end of motor.

[0012] The utility model further sets up, the upper end surface of No.

[0013] The utility model further sets up, the lower end surface of No.

[0014] The utility model has the advantages of the following.

[0015] 1, the utility model is through the setting motor, makes through control motor and makes its output shaft drive sleeve axle block to drive lengthening axle rod and drive No.

[0016] 2, the utility model discloses a fastening bolt is set up and is set up adjusting groove hole and multiple adjusting screw grooves, when needing to adjust the door opening angle of door body, just with three connecting rods in the lower direction of second connecting rod moves to front, then uses two fastening bolts to pass through adjusting groove hole and is connected with the multiple adjusting screw grooves of second connecting rod bottom end thread can complete the fixation after the elongation or shortening of three connecting rods below second connecting rod, and the door opening angle of door body is adjusted also more quickly and simply. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the embodiment description needed to use the drawing do simple introduction.

[0018] Figure 1 It is a perspective view of a door closer convenient to adjust.

[0019] Figure 2 It is a split structure schematic view of a door closer convenient to adjust.

[0020] Figure 3 It is a split structure schematic view of a door closer convenient to adjust.

[0021] Figure 4 It is Figure 3 It is an enlarged structure schematic view of A in the middle.

[0022] In the drawing: 1, door frame;2, door body;3, installation bottom plate;4, equipment seat;5, first mounting hole;6, motor;7, sleeve shaft block;8, lengthened axle rod;9, first connecting rod;10, first bolt;11, connecting shaft;12, second connecting rod;13, adjusting groove hole;14, third connecting rod;15, connecting piece;16, fastening bolt;17, side screw groove;18, second bolt;19, dust cover;20, second mounting hole;21, wiring hole. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described below in conjunction with the drawings in the embodiments of the utility model, and the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.

[0024] Embodiment one

[0025] Please refer to Figures 1-4The utility model discloses a door closer convenient to adjust, including door frame 1, door body 2 and door closing assembly, the hinge installation is in door frame 1 in door body 2, and door closing assembly is jointly installed on the lateral wall of door frame 1 and door body 2, and door closing assembly includes installation bottom plate 3 and with the matching equipment seat 4, and the lateral wall fixed mounting of equipment seat 4 has motor 6, and the output shaft fixed sleeve of motor 6 has sleeve block 7, and the lower end cooperation sleeve of sleeve block 7 has lengthened axle rod 8, and the lower end of lengthened axle rod 8 is provided with no.

[0026] Specific: after installing equipment seat 4 through installation bottom plate 3 on the lateral wall of door frame 1, start motor 6 to make its output shaft through sleeve block 7 drive lengthened axle rod 8 to rotate clockwise, and no. 9 is rotated synchronously through the connection of the lower end of lengthened axle rod 8, and then pushes no. 12 and no. 14 to the side of door body 2 through the clockwise connection axle 11, makes the connecting piece 15 of the front end of no. 14 to push door body 2 and realizes the opening of door body 2, and the output shaft of motor 6 reverses to complete the door closing step of door body 2 in door frame 1 under the cooperation of no. 9 and no. 12, because the rotation of no. 9 and no. 12 is driven independently by motor 6, and the spring, piston and other parts are less, and the opening and closing step of door body 2 is more convenient, and when needing to adjust the opening angle of door body 2, only need to stretch or shrink no. 14 under no. 12 forward, then two fastening bolts 16 are used to pass through adjustment slot hole 13 and are screwed into the adjustment screw groove matched below no. 12 to complete the threaded fixing of no. 14 below no. 12, can realize the lengthening and shortening of no. 14 below no. 12, and then control the opening angle of door body 2, and the adjustment of the opening angle of door body 2 is more quick and convenient.

[0027] Embodiment two

[0028] Please refer to Figures 1-4On the basis of embodiment one, the side wall of the mounting base 3 is provided with a plurality of second mounting holes 20, the side wall of the equipment seat 4 is provided with a plurality of first mounting holes 5, the side wall of the mounting base 3 is provided with a plurality of matched third mounting holes, and the first mounting holes 5 and the matched third mounting holes are jointly provided with mounting bolts; the side wall of the mounting base 3 is provided with two wiring holes 21, the side wall of the door frame 1 is provided with two wire holes matched with the wiring holes 21; the outer side of the equipment seat 4 is provided with a dust cover 19, both sides of the equipment seat 4 are provided with side screw grooves 17, both sides of the dust cover 19 are provided with side screw holes matched with the side screw grooves 17, and the two side screw holes and the matched side screw grooves 17 are jointly provided with No. 2 bolts 18; the bottom of the lengthened shaft 8 is provided with a bottom screw groove, the lower end of the No. 1 connecting rod 9 is provided with a bottom screw hole matched with the bottom screw groove, and the bottom screw hole and the bottom screw groove are jointly provided with a No. 1 bolt 10; the side wall of the equipment seat 4 is provided with a controller, the controller is provided with a remote controller outside, the signal emitting end of the remote controller is signal connected with the signal receiving end of the controller, and the signal emitting end of the controller is electrically connected with the signal receiving end of the motor 6; the upper end surface of the No. 3 connecting rod 14 is slidingly connected with the lower end surface of the No. 2 connecting rod 12, the side wall of the connecting piece 15 is provided with a recess hole for connecting the door body 2, and the two recess holes are provided with screws; the lower end surface of the No. 1 connecting rod 9 is slidingly connected with the upper end surface of the No. 2 connecting rod 12, and the right front end of the mounting base 3 is flush with the hinge position of the door frame 1 and the door body 2.

[0029] Specifically: by opening a plurality of second mounting holes 20, using a screw through a plurality of second mounting holes 20 can be installed in the mounting plate 3 on the side wall of the door body 2, by opening a plurality of first mounting hole 5 and matching third mounting hole and matching installation bolt, so that the equipment seat 4 can be through a plurality of mounting bolts in the first mounting hole 5 and the matching third mounting hole after being screwed and fixedly installed on the side wall of the mounting plate 3; by opening two wiring holes 21 and matching the wire hole, the electrical device installed on the equipment seat 4 can be electrically connected with the external power supply, control equipment through the wiring hole 21 and the wire hole; by setting the dust cover 19 and the second bolt 18 and opening two side threaded holes, the side threaded groove 17, the dust cover 19 capable of dustproof on the outside of the equipment seat 4 can be fixedly installed on the side wall of the equipment seat 4 through the second bolt 18; by opening the bottom threaded groove, the bottom threaded hole and the first bolt 10, when the lengthened shaft 8 needs to be connected with the first connecting rod 9, the bottom threaded hole corresponds to the bottom threaded groove, and then the first bolt 10 is used to fix it to complete the fixed connection of the lengthened shaft 8 above the first connecting rod 9; by setting the controller and the remote controller, the worker can control the controller by using the remote controller, and then the controller transmits signals to the motor 6 to control the start and stop of the motor 6, thereby controlling the opening and closing of the door body 2; by opening the recess and setting the screw, the connecting piece 15 can be connected with the side wall of the door body 2 through the recess under the action of the screw; by aligning the right front end of the mounting plate 3 with the hinge position of the door frame 1 and the door body 2, the opening angle of the door body 2 is set to about 90 degrees.

[0030] The working principle of the utility model is: through the control motor 6 makes its output shaft drives sleeve block 7 in turn makes lengthened axle 8 drive first connecting rod 9 clockwise rotation, first connecting rod 9 pushes second connecting rod 12 forward through connecting shaft 11, second connecting rod 12 pushes connecting piece 15 through the connection with third connecting rod 14, in turn, through the connection of connecting piece 15 and door body 2, make door body 2 can be opened under the forward pushing action of third connecting rod 14, motor 6 output shaft reverses to realize the closure of door body 2 in door frame 1, the drive device of closure assembly is only motor 6, structure is simpler, and the failure rate is lower, and the practical effect is better, and when needing to adjust the opening angle of door body 2, only need to move third connecting rod 14 forward under second connecting rod 12, then use two fastening bolts 16 to pass through adjustment slot hole 13 and be connected with the multiple adjustment threaded grooves in the bottom end of second connecting rod 12 to be screwed to complete the fixed connection of third connecting rod 14 after elongation or shortening under second connecting rod 12, the adjustment of the opening angle of door body 2 is also more quick and easy.

[0031] The preferred embodiments disclosed above are only used to help describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode described, the description selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the skilled in the art can well understand and utilize the utility model.

Claims

1. A door closer with easy adjustment, comprising a door frame (1), a door body (2) and a door closing assembly, characterized in that: The door body (2) is hinged to the door frame (1), and the door closing assembly is jointly installed on the door frame (1) and the side wall of the door body (2); The door closing assembly comprises a mounting bottom plate (3) and a matched device seat (4), the side wall of the device seat (4) is fixedly provided with a motor (6), the output shaft of the motor (6) is fixedly sleeved with a sleeve shaft block (7), the lower end of the sleeve shaft block (7) is matchedly sleeved with an extended shaft rod (8), the lower end of the extended shaft rod (8) is provided with a first connecting rod (9), the front end of the first connecting rod (9) is inserted with a connecting shaft (11), the lower end of the connecting shaft (11) is rotatably sleeved with a second connecting rod (12), the lower end of the second connecting rod (12) is provided with a third connecting rod (14), and the front end of the third connecting rod (14) is movably provided with a connecting piece (15). The upper end surface of the third connecting rod (14) is provided with an adjusting slot (13), and the lower end surface of the second connecting rod (12) is provided with a plurality of adjusting screw grooves, and the adjusting slot (13) is slidably provided with two fastening bolts (16).

2. A door closer according to claim 1, wherein: The side wall of the mounting bottom plate (3) is provided with a plurality of second mounting holes (20), the side wall of the device seat (4) is provided with a plurality of first mounting holes (5), and the side wall of the mounting bottom plate (3) is provided with a plurality of matched third mounting holes, and a plurality of the first mounting holes (5) and the matched third mounting holes are jointly provided with mounting bolts.

3. A door closer for ease of adjustment according to claim 1 wherein: The side wall of the mounting bottom plate (3) is provided with two wiring holes (21), and the side wall of the door frame (1) is provided with two wire holes matched with the wiring holes (21).

4. A door closer for ease of adjustment according to claim 1 wherein: The outer side of the device seat (4) is provided with a dust cover (19), the two sides of the device seat (4) are provided with side screw grooves (17), the two sides of the dust cover (19) are provided with side screw holes matched with the side screw grooves (17), and the two side screw holes and the matched side screw grooves (17) are jointly provided with second bolts (18).

5. A door closer for ease of adjustment according to claim 1, characterised in that: The bottom of the extended shaft rod (8) is provided with a bottom screw groove, the lower end of the first connecting rod (9) is provided with a bottom screw hole matched with the bottom screw groove, and the bottom screw hole and the bottom screw groove are jointly provided with a first bolt (10).

6. A door closer for ease of adjustment according to claim 1 wherein: The side wall of the device seat (4) is provided with a controller, the controller is provided with a remote controller, the signal emitting end of the remote controller is signal connected with the signal receiving end of the controller, and the signal emitting end of the controller is electrically connected with the signal receiving end of the motor (6).

7. A conveniently adjustable door closer according to claim 1, characterized in that: The upper end surface of the third connecting rod (14) is slidably connected with the lower end surface of the second connecting rod (12), the side wall of the connecting piece (15) is provided with recessed holes for connecting the door body (2), and the two recessed holes are provided with screws.

8. A conveniently adjustable door closer according to claim 1, characterized in that: The lower end surface of the first connecting rod (9) is slidably connected with the upper end surface of the second connecting rod (12), and the right front end of the mounting bottom plate (3) is flush with the hinge position of the door frame (1) and the door body (2).

Images