CN204920582U

CN204920582U - Door closer

Info

Publication number: CN204920582U
Application number: CN201520638343.0U
Authority: CN
Inventors: 刁泉生
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-08-24
Filing date: 2015-08-24
Publication date: 2015-12-30
Anticipated expiration: 2025-08-24

Abstract

The utility model relates to a door closer, including pedestal, depression bar, depression bar support, main shaft, torque spring and end cover, its main points are: be equipped with the ratchet cover plate, pawl, pressure spring and adjusting screw on the end cover, be equipped with hinge head, torsion dish on the main shaft, pull out board and up -pull board down, be equipped with pivoted switching -over head on the pedestal, be equipped with on the baffle of pedestal and pull out the fork cam, pull out and be equipped with spring washer between the left side wall of pitching cam and pedestal. The utility model discloses simple structure, the installation is easy, the good reliability, three kind automatic, manual and unlimited switch doors switch over, and convenient operation is simple, through the torsion size that adjusting screw adjusted torque spring, has lengthened torque spring's life, can be used for singly opening the door, also can be used to two opening the door, and the flexibility of opening the door, close the door, practicality are good, dialling the inertial force that board, shift fork cam, spring washer and accent power screw constitute on, and absorbing buffer gear by setting aside the board, slowed down closing speed, close the door and slowly stabilize the noiseless, the security is good.

Description

A kind of door closer

Technical field

The utility model relates to a kind of door opening/closing apparatus, is specifically related to a kind of door closer for automatic door-closing.

Background technology

The buffering effect of the door closer generally used at present is formed with stage clip pushing piston hydraulic oil, its speed relies on the cross section of hydraulic oil return flow line to regulate to realize, during use, screw is fixedly mounted on the ad-hoc location of door, in use there is a lot of defect in this door closer: first, door has size, weight, degree of tightness, open, the power of closing needed for door is different, the power of this kind of door closer derives from stage clip, active force is constant, there is no regulatory function, when running into dissimilar door, the sensation that when usually occurring opening the door, starting force is very heavy, generation noise is easily collided at closing time with doorframe, or close phenomenon not in place, secondly, this door closer is when Long-Time Service, and the wearing and tearing of its piston and cylinder body can make buffering effect decline or lose efficacy, 3rd, this door closer take hydraulic oil as the object that amboceptor reaches buffering, and the change of the temperature difference affects very large on the viscosity of hydraulic oil and mobility, in different seasons, different Regional Effects is widely different, if adopt electric heating warming, its safety and practicality inadequate, 4th, the power bar due to this door closer is the rigid connection be fixed on screw on door, if run into when needing door to open wide, other power or thing is just needed to close to prevent door, and the free state of door will be recovered, just must remove the attachment screw of door and door closer, flexibility is not enough.

Summary of the invention

The purpose of this utility model is the shortcoming overcoming above-mentioned door closer, provides one not need hydraulic oil, and structure is simple, and switch gate dynamics is adjustable, practical and convenient, noiselessness, easily install, the door closer of good reliability.

Door closer of the present utility model, the main shaft, torque spring and the end cap that comprise pedestal, depression bar, depression bar bearing and be arranged in pedestal, it is characterized in that: described end cap is provided with ratchet and the stage clip of the ratchet cover plate and the reversion of the restriction ratchet cover plate, and the ratchet cover plate and ratchet are connected with a joggle; The center of the described ratchet cover plate is provided with the adjustment screw of rotating ratchet dish, and adjustment screw is provided with the circular-shaped, concave cavity of supports main shaft, and adjustment screw is connected with end cap and main axis, be connected with the ratchet cover plate, and the ratchet cover plate rotates with adjustment screw; Described main shaft is provided with hinge head and torsion plate, hinge head is connected with main axis, torque spring is enclosed within the main shaft between torsion plate and the ratchet cover plate, the upper end plug of torque spring inserts in the location hole of the spring of torsion plate, lower end plug inserts in the location hole of the spring of the ratchet cover plate, torsion plate, under the effect of torque spring, drives main axis, and main shaft drives hinge head to rotate; Described hinge head is made up of depression bar chuck, rotating shaft and commutation joint; The right plate of described pedestal is provided with the commutation head of rotation, and commutation head is provided with reversing handle, and reversing handle can manually, automatically and lie out between three switch gate states and switch; The link of described depression bar is placed in the depression bar chuck of hinge head, and by connection of shipping and reselling on another market, the rotate rotational angle of pin of depression bar is 0 ~ 130 degree, and the commutation joint of hinge head is placed in the commutation chuck of commutation head, drives hinge head to rotate by commutation chuck.

In order to better realize above-mentioned purpose:

Described reversing handle is provided with disk, disk by screws tighten on reversing handle.

Described end cap is also provided with the reset button pushing ratchet.

Described main shaft is also provided with to rotate down together with main shaft and pulls out plate, under pull out plate is connected with and pull out plate, under pull out plate and on pull out plate and be connected in lower plate by housing screw, above pull out plate and can rotate around housing screw.

Described lower plate is ringlike round plate, which is provided with plate flange and plate axle sleeve.

Described upper plate is the open annular plectane of 200 ~ 270 degree.

The dividing plate of described pedestal is provided with fork cam, is provided with elastomeric pad between fork cam and the sidewall of pedestal.

Described fork cam is provided with mounting hole, fork flange and pulls out pin.

The left side wall of described pedestal is provided with the force adjustment screw touched with elastomeric pad, with the elasticity of adjustable elastic pad.

The utility model structure is simple, and install easily, good reliability, switch gate is flexible, is regulated the torque magnitude of torque spring, extend the application life of torque spring, namely can be used for single open-door, also can be used for double door by adjustment screw; Reversing handle manually, automatically and open wide between three kinds of states and switching, can to complete manually, the switching of automatic opening and closing door and opening-wide state, easy switching, simple to operate, and practicality is good; Absorb buffer gear by being arranged on the inertia force that main shaft is formed with lower plate, upper plate, shift fork cam, elastomeric pad and the force adjustment screw on pedestal, slow down door closing speed, door and doorframe can not send collision, and close the door and slowly stablize noiseless, safety is good.

Accompanying drawing explanation

Fig. 1 is the structural representation of utility model.

Fig. 2 is the structural representation of end-cap assembly.

Fig. 3 is the top view of Fig. 1.

Fig. 4 is the structural representation of shift fork cam.

Fig. 5 is the structural representation of upper plate.

Fig. 6 is the top view of Fig. 5.

Fig. 7 is the structural representation of hinge head.

Fig. 8 is the top view of Fig. 7.

In figure: 1, pedestal; 2, hinge head; 3, main shaft; 4, commutate head; 5, packing ring; 6, reversing handle; 7, screw; 8, pad; 9, upper cover plate; 10, housing screw; 11, upper plate; 12, lower plate; 13, backing plate; 14, torsion plate; 15, torque spring; 16, the ratchet cover plate; 17, adjustment screw; 18, mounting screw; 19, ship and resell on another market; 22, depression bar; 23, disk; 26, depression bar bearing; 27, force adjustment screw; 29, elastomeric pad; 33, shift fork cam; 34, ratchet; 35, stage clip; 38, end cap, 39, reset button, 40, installing plate, 41, mounting hole, 42, shift fork flange, 43, pull out pin, 44, pull out plate flange, 45, pull out plate axle sleeve, 46 depression bar chucks, 47, hinge axis, 48, commutation joint.

Detailed description of the invention

Door closer of the present utility model, comprises pedestal 1, depression bar 22, depression bar bearing 26 and is arranged on main shaft 3, torque spring 15 and the end cap 38 in pedestal 1.

End cap 38 is provided with the ratchet cover plate 16, the restriction ratchet cover plate 16 reverses ratchet 34, the reset button 39 pushing ratchet and stage clip 35.The ratchet cover plate 16 and ratchet 34 are connected with a joggle.The center of the ratchet cover plate 16 is provided with the adjustment screw 17 of rotating ratchet dish 16, and adjustment screw 17 is provided with the circular-shaped, concave cavity of supports main shaft 3.Adjustment screw 17 is with end cap 38 and main shaft 3 is rotationally connected, be connected with the ratchet cover plate 16, and the ratchet cover plate 16 rotates with adjustment screw 17.

Main shaft 3 is provided with hinge head 2, torsion plate 14 and rotates down together with main shaft 3 and pulls out plate 12, under pull out plate 12 is connected with and pull out plate 11.Under pull out plate 12 and on pull out plate 11 and be connected in lower plate 12 by housing screw 10, above pull out plate 11 and can rotate around housing screw 10, lower plate 12 is ringlike round plate, which is provided with plate flange 44 and plate axle sleeve 45, and upper plate 11 is 270 degree of open annular plectanes.The hinge axis 47 of hinge head 2 passes the hinge shaft hole of main shaft 3, and axial location in the pin-and-hole of hinge axis 47 is inserted in cottor pin, and hinge axis 47 and the main shaft 3 of hinge head 2 are rotationally connected.Torque spring 15 is enclosed within the main shaft 3 between torsion plate 14 and the ratchet cover plate 16, the upper end plug of torque spring 15 inserts in the location hole of the spring of torsion plate 14, lower end plug inserts in the location hole of the spring of the ratchet cover plate 16, torsion plate 14 is under the effect of torque spring 15, drive main shaft 3 to rotate, main shaft 3 drives hinge head 2 to rotate.

The right plate of pedestal 1 is provided with the commutation 4 of rotation, and commutation 4 is provided with reversing handle 6.Reversing handle 6 drives the rotation of commutation 4, and reversing handle 6 can to complete automatically automatically, manually and open wide between three switch gate state positions and rotate, manually and open wide the switching of three kinds of switch gate states.Reversing handle 6 is also provided with disk 23, disk 23 by screws tighten on reversing handle 6.The link of depression bar 22 is placed in the depression bar chuck 46 of hinge head 2, and by 19 connections of shipping and reselling on another market, the rotate rotational angle of pin 19 of depression bar 22 is 130 degree, and the commutation joint 48 of hinge head 2 is placed in the commutation chuck of commutation 4, drives hinge head 2 to rotate by commutation chuck.

The dividing plate of pedestal 1 is provided with fork cam 33, is provided with elastomeric pad 29 between the left side wall of fork cam 33 and pedestal 1.Fork cam 33 is provided with mounting hole, fork flange 42 and pulls out pin 43.

The left side wall of pedestal 1 is provided with the force adjustment screw 27 touched with elastomeric pad 29, with the elasticity of adjustable elastic pad 29.

Door closer of the present utility model is installed and used like this:

The installing plate 40 of door closer pedestal 1 is arranged on the appropriate location of doorframe with mounting screw 18, again depression bar bearing 26 is fixed on door, guarantee that depression bar 22 can be placed in the split ring of depression bar bearing 26 and can be free to slide, rotating adjustment screw 17 with special adjustment spanner drives the ratchet cover plate 16 to rotate, regulate the torsion of torque spring 15, meet the requirements of the dynamics of switch gate, there will not be door and doorframe to collide during switch gate and produce noise or door and stop at certain angle and be not closed completely, if Primary regulation does not reach the requirement of anticipation, available adjustment spanner pushes multiple button 39, ratchet 34 is separated with the ratchet cover plate 16, under the effect of torque spring 15, the ratchet cover plate 16 gets back to original state, and then drive the ratchet cover plate 16 to rotate by adjustment spanner rotation adjustment screw 17, regulate the torsion of torque spring 15, till making switch gate reach the requirement of anticipation.

When needs automatic door-closing, reversing handle 6 is turned to automatic door-closing position, the disk 23 now on reversing handle 6 does not work, and when people tries hard to recommend or pull the door open, door can be closed automatically.

When not needing automatic door-closing, reversing handle 6 is turned to manual position, the complete armrest of switch gate has moved.

When needs door opens wide completely, forward reversing handle to horizontal open position, push door to reversing handle, depression bar 22 just can be held by disk 23 on reversing handle 6, and at this moment door is in complete opening-wide state, now needs firmly to pull Men Caineng to complete and manually closes the door.

Claims

1. a door closer, comprise pedestal (1), depression bar (22), depression bar bearing (26) and be arranged on main shaft (3), torque spring (15) and the end cap (38) in pedestal (1), it is characterized in that: described end cap (38) is provided with the ratchet cover plate (16) and the restriction ratchet cover plate (16) ratchet (34) that reverses and stage clip (35), and the ratchet cover plate (16) and ratchet (34) are connected with a joggle; The center of the described ratchet cover plate (16) is provided with the adjustment screw (17) of rotating ratchet dish (16), adjustment screw (17) is provided with the circular-shaped, concave cavity of supports main shaft (3), adjustment screw (17) and end cap (38) and main shaft (3) is rotationally connected, and the ratchet cover plate (16) be connected, the ratchet cover plate (16) rotates with adjustment screw (17); Described main shaft (3) is provided with hinge head (2) and torsion plate (14), hinge head (2) and main shaft (3) are rotationally connected, torque spring (15) is enclosed within the main shaft (3) between torsion plate (14) and the ratchet cover plate (16), the upper end plug of torque spring (15) inserts in the location hole of the spring of torsion plate (14), lower end plug inserts in the location hole of the spring of the ratchet cover plate (16), torsion plate (14) is under the effect of torque spring (15), drive main shaft (3) to rotate, main shaft (3) drives hinge head (2) to rotate; Described hinge head (2) is made up of depression bar chuck (46), hinge axis (47) and commutation joint (48); The right plate of described pedestal (1) is provided with the commutation head (4) of rotation, commutation head (4) is provided with reversing handle (6), reversing handle (6) drives commutation head (3) to rotate, reversing handle (6) automatically, manually and between unlimited three switch gate states rotating, can realize the switching of switch gate mode; The link of depression bar (22) is placed in the depression bar chuck (46) of hinge head (2), by shipping and reselling on another market, (19) connect, the rotate rotational angle of pin (19) of depression bar (22) is 0 ~ 130 degree, the commutation joint (48) of hinge head (2) is placed in the commutation chuck of commutation head (4), drives hinge head (2) to rotate by commutation chuck.

2. door closer according to claim 1, is characterized in that: described reversing handle (6) is provided with disk (23), disk (23) by screws tighten on reversing handle (6).

3. door closer according to claim 1, is characterized in that: described end cap (38) is also provided with the reset button (39) pushing ratchet (34).

4. door closer according to claim 1, it is characterized in that: described main shaft (3) is also provided with to rotate down together with main shaft (3) and pulls out plate (12), under pull out plate (12) is connected with and pull out plate (11), under pull out plate (12) and on pull out plate (11) and be connected in lower plate (12) by housing screw (10), above pull out plate (11) and can rotate around housing screw (10); Described lower plate (12) is ringlike round plate, which is provided with plate flange (44) and plate axle sleeve (45); The open annular plectane that plate is 200 ~ 270 degree is pulled out on described.

5. door closer according to claim 1, is characterized in that: the dividing plate of described pedestal (1) is provided with fork cam (33), is provided with elastomeric pad (29) between the left side wall of fork cam (33) and pedestal (1); Described fork cam (33) is provided with mounting hole (41), fork flange (42) and pulls out pin (43).

6. door closer according to claim 1, is characterized in that: the left side wall of described pedestal (1) is provided with the force adjustment screw (27) touched with elastomeric pad (29), with the elasticity of adjustable elastic pad (29).