CN215255513U

CN215255513U - Adjustable door closer with buffering and damping functions

Info

Publication number: CN215255513U
Application number: CN202023126846.XU
Authority: CN
Inventors: 涂德凤
Original assignee: Anhui Xinhua University
Current assignee: Anhui Xinhua University
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-12-21
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a can regulate and control door closer with buffering shock-absorbing function, including mount pad, pivot, outer connecting rod, inner connecting rod, guide rail and slider, the mounting panel is installed to the mount pad front end, and the pivot is installed in the mount pad, and the pivot runs through the top of mount pad, and the left end fixed connection of pivot top and outer connecting rod, outer connecting rod right side are inserted and are equipped with the inner connecting rod, and inner connecting rod and outer connecting rod threaded connection are provided with lock nut on the inner connecting rod, the guide rail sets up in the place ahead of outer connecting rod, is provided with the slider in the guide rail, and the slider rear end is fixed to be provided with the connection boss, connects the boss and rotates with the inner connecting rod right-hand member to be connected. Compared with the prior art, the beneficial effects of the utility model are that: after the door closer is installed on the door and the door frame, after the door is opened to a certain angle, the door can be kept in an opening state under the action of the cylinder and cannot be closed, when the angle is smaller than the angle during door opening, the door can be automatically closed, and the angle can be adjusted by adjusting the installation position of the door closer.

Description

Adjustable door closer with buffering and damping functions

Technical Field

The utility model relates to a door closer specifically is a can regulate and control door closer with buffering shock-absorbing function.

Background

The door closer is generally installed at the door head, opens the back at the door, can close the door automatically, and common door closer, when closing the door, can take place violent striking between door and the door frame, influences the fastness of door frame or door, and under the effect of door closer, the door can be immediately closed after opening, can not make the door keep the open mode, and is very troublesome when using. Accordingly, one skilled in the art provides an adjustable door closer with a damping function to solve the above problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can regulate and control door closer with buffering shock-absorbing function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a can regulate and control door closer with buffering shock-absorbing function, includes mount pad, pivot, outer connecting rod, inner connecting rod, guide rail and slider, the mounting panel is installed to the mount pad front end, and the pivot is installed in the mount pad, and the pivot runs through the top of mount pad, and the left end fixed connection of pivot top and outer connecting rod, outer connecting rod right side are inserted and are equipped with the inner connecting rod, and inner connecting rod and outer connecting rod threaded connection are provided with lock nut on the inner connecting rod, the guide rail sets up in the place ahead of outer connecting rod, is provided with the slider in the guide rail, and the slider rear end is fixed and is provided with the connection boss, connects boss and inner connecting rod right-hand member and rotates and be connected.

As a further aspect of the present invention: a limiting rod is installed in the guide rail and penetrates through the sliding block, and a rebound spring is sleeved on the left side, corresponding to the sliding block, of the limiting rod.

As a further aspect of the present invention: the right end of the guide rail is provided with a buffer air cavity, the right end of the sliding block is provided with a positioning tube, the positioning tube is sleeved with a buffer piston, and the buffer piston is provided with a plurality of air grooves.

As a further aspect of the present invention: install the second cylinder in the mount pad, the first cylinder of second cylinder right-hand member fixedly connected with is provided with the piston in the first cylinder, piston right-hand member and telescopic link fixed connection, and the right-hand member and the second of telescopic link revolve the piece and rotate and be connected, fixed mounting has first rotor in the pivot, and first rotor left end rotates with second rotor right-hand member and is connected.

As a further aspect of the present invention: adjusting screw is installed on the inside left side of mount pad, and the plunger is installed to the adjusting screw right-hand member, and the plunger is inserted and is established in the second cylinder.

As a further aspect of the present invention: the rear side of the first rotary piece is provided with a limiting piece, a lock cylinder is installed on the right side of the limiting piece corresponding to the installation seat, the lock cylinder is connected with the installation seat in a sliding mode, a lock cylinder spring is fixedly connected to the bottom of the lock cylinder, the bottom of the lock cylinder spring is fixedly connected with the bottom of the installation seat, and an electromagnet is installed above the lock cylinder corresponding to the installation seat.

Compared with the prior art, the beneficial effects of the utility model are that:

after the door closer is installed on door and door frame, after the door is opened certain angle, under the effect of cylinder, the door can keep the state of opening, can not close, when the angle was less than this angle during the door opened, the door can self-closing, this angle can be adjusted to the mounted position of adjustment door closer, after closing the door, accessible electro-magnet attracts the lock core rebound, thereby lock the door, close when being about to close completely, buffer piston can insert the buffering air cavity, thereby play the cushioning effect.

Drawings

Fig. 1 is a schematic structural diagram of an adjustable door closer with a damping function.

Fig. 2 is a schematic structural diagram of a slider in the adjustable door closer with a buffering and damping function.

Fig. 3 is a schematic diagram of a transmission structure of an air cylinder in the adjustable door closer with a buffering and damping function.

In the figure: the device comprises a mounting base 1, a mounting plate 2, a rotating shaft 3, an outer connecting rod 4, an inner connecting rod 5, a locking nut 6, a guide rail 7, a connecting boss 8, a buffer air cavity 9, a sliding block 10, a buffer piston 11, a positioning tube 12, an air groove 13, a limiting rod 14, a rebound spring 15, a first rotary vane 16, a second rotary vane 17, an expansion rod 18, a first air cylinder 19, a second air cylinder 20, a plunger 21, an adjusting screw 22, a limiting vane 23, an electromagnet 24, a lock cylinder 25 and a lock cylinder spring 26.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, in the embodiment of the utility model, an adjustable and controllable door closer with buffering shock-absorbing function, including mount pad 1, pivot 3, outer connecting rod 4, inner connecting rod 5, guide rail 7 and slider 10, mounting panel 2 is installed to 1 front end of mount pad, and pivot 3 is installed in mount pad 1, and pivot 3 runs through the top of mount pad 1, and 3 tops of pivot and outer connecting rod 4's left end fixed connection, outer connecting rod 4 right side are inserted and are equipped with inner connecting rod 5, and inner connecting rod 5 and outer connecting rod 4 threaded connection are provided with lock nut 6 on the inner connecting rod 5, guide rail 7 sets up in the place ahead of outer connecting rod 4, is provided with slider 10 in the guide rail 7, and slider 10 rear end fixed is provided with connection boss 8, and connection boss 8 rotates with inner connecting rod 5 right-hand member to be connected.

Referring to fig. 2, a limiting rod 14 is installed in the guide rail 7, the limiting rod 14 penetrates through the slider 10, a rebound spring 15 is sleeved on the limiting rod 14 corresponding to the left side of the slider 10, a buffer air cavity 9 is installed at the right end of the guide rail 7, a positioning tube 12 is installed at the right end of the slider 10, a buffer piston 11 is sleeved on the positioning tube 12, and a plurality of air grooves 13 are formed in the buffer piston 11.

Referring to fig. 3, a second cylinder 20 is installed in the mounting base 1, a first cylinder 19 is fixedly connected to the right end of the second cylinder 20, a piston is arranged in the first cylinder 19, the right end of the piston is fixedly connected with an expansion link 18, the right end of the expansion link 18 is rotatably connected with a second rotary vane 17, a first rotary vane 16 is fixedly arranged on the rotating shaft 3, the left end of the first rotary vane 16 is rotationally connected with the right end of a second rotary vane 17, an adjusting screw 22 is arranged at the left side in the mounting seat 1, a plunger 21 is arranged at the right end of the adjusting screw 22, the plunger 21 is inserted in the second cylinder 20, the rear side of the first rotary vane 16 is provided with a limiting sheet 23, a lock cylinder 25 is installed in the installation seat 1 corresponding to the right side of the limiting sheet 23, the lock cylinder 25 is in sliding connection with the installation seat 1, a lock cylinder spring 26 is fixedly connected to the bottom of the lock cylinder 25, the bottom of the lock cylinder spring 26 is fixedly connected to the bottom of the installation seat 1, and an electromagnet 24 is installed in the installation seat 1 corresponding to the upper portion of the lock cylinder 25.

The utility model discloses a theory of operation is:

the utility model relates to an adjustable door closer with buffering shock-absorbing function, during the installation, mount pad 1 is installed on preventing fire door, guide rail 7 is installed on the door frame, when opening the door, the door drives mount pad 1 to rotate, thereby pull the left end of outer connecting rod 4 through pivot 3 and move to the left side, and then make slider 10 move to the left side, pivot 3 anticlockwise rotates at this moment, slider 10 compresses rebound spring 15, telescopic link 18 moves to the inside of first cylinder 19, the gas in first cylinder 19 and second cylinder 20 is compressed, when pivot 3 rotates 90 degrees, telescopic link 18 begins to stretch out, the gas in first cylinder 19 and second cylinder 20 is released, and during this period, rebound spring 15 is in the compressed state always, the elasticity of rebound spring 15 is equal to the effort of the thrust of the compressed gas in the cylinder to pivot 3, the door is in the balanced state, need the application of force and could close the door, the in-process of closing the door, when the door will be closed, piston 11 inserts in buffering air cavity 9, and the gas in the buffering air cavity 9 can only overflow through gas tank 13, and the flow is limited, consequently can play the cushioning effect, and under the initial condition, lock core 25 is in the below of spacing piece 23, and electro-magnet 24 starts the back, and lock core 25 is attracted the rebound to block spacing piece 23, pivot 3 can not rotate this moment, and the door is locked.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

Claims

1. An adjustable door closer with a buffering and damping function comprises a mounting seat (1), a rotating shaft (3), an outer connecting rod (4), an inner connecting rod (5), a guide rail (7) and a sliding block (10), and is characterized in that a mounting plate (2) is mounted at the front end of the mounting seat (1), the rotating shaft (3) is mounted in the mounting seat (1), the rotating shaft (3) penetrates through the top of the mounting seat (1), the top of the rotating shaft (3) is fixedly connected with the left end of the outer connecting rod (4), the inner connecting rod (5) is inserted at the right side of the outer connecting rod (4), the inner connecting rod (5) is in threaded connection with the outer connecting rod (4), a locking nut (6) is arranged on the inner connecting rod (5), the guide rail (7) is arranged in front of the outer connecting rod (4), the sliding block (10) is arranged in the guide rail (7), a connecting boss (8) is fixedly arranged at the rear end of the sliding block (10), and the connecting boss (8) is connected with the right end of the inner connecting rod (5), a limiting rod (14) is installed in the guide rail (7), the limiting rod (14) penetrates through the sliding block (10), a rebound spring (15) is sleeved on the limiting rod (14) corresponding to the left side of the sliding block (10), a buffering air cavity (9) is installed at the right end of the guide rail (7), a positioning pipe (12) is installed at the right end of the sliding block (10), a buffering piston (11) is sleeved on the positioning pipe (12), a plurality of air grooves (13) are formed in the buffering piston (11), a second air cylinder (20) is installed in the installation seat (1), a first air cylinder (19) is fixedly connected at the right end of the second air cylinder (20), a piston is arranged in the first air cylinder (19), the right end of the piston is fixedly connected with a telescopic rod (18), the right end of the telescopic rod (18) is rotatably connected with a second rotary piece (17), a first rotary piece (16) is fixedly installed on the rotating shaft (3), and the left end of the first rotary piece (16) is rotatably connected with the right end of the second rotary piece (17), adjusting screw (22) are installed in the inside left side of mount pad (1), and plunger (21) are installed to adjusting screw (22) right-hand member, and plunger (21) are inserted and are established in second cylinder (20), the rear side of first rotor (16) is provided with spacing piece (23), corresponds spacing piece (23) right side in mount pad (1) and installs lock core (25), lock core (25) and mount pad (1) sliding connection, lock core (25) bottom fixedly connected with lock core spring (26), lock core spring (26) bottom and mount pad (1) bottom fixed connection, correspond lock core (25) top in mount pad (1) and install electro-magnet (24).