CN206625713U - The door closer-holder of anticollision - Google Patents

Abstract

The door closer-holder of anticollision, including hydraulic door-closer and buffer device for collision, the shell both sides of buffer device for collision are the installing plate with screw fixing hole, the installing plate of buffer device for collision is fixed by screws in hydraulic door-closer and set in the thickening fixed plate of connecting rod side, buffer device for collision also includes buffer board and symmetrically arranged presses compression leg, one side of two one end by compression leg respectively with buffer board is fixedly connected, two other ends by compression leg are then fixedly connected through shell with the piston push plate in cushion chamber, two one end by the guide rod on the outside of compression leg are fixedly connected with buffer board, the other end of guide rod is then respectively in the guide rod slideway of cushion chamber both sides, the upper end end of every guide rod slideway is respectively kept with exhaust outlet, by screw fixation covered with cap in the opening of upper surface of outer cover.While the utility model ensures that door leaf can close, and can preferably protects door leaf.

Description

The door closer-holder of anticollision

Technical field

A kind of door closer is the utility model is related to, specifically a kind of door closer-holder of anticollision.

Background technology

Door closer is a hydraulic press for a upper spring-like, when door unlatching after can by compression after discharge, by door from It is dynamic to shut, play the role of as single or double acting door, it is ensured that after door is opened, accurately, timely close and arrive initial position.Hydraulic door closing Device is one of door closer the most frequently used at present, and the basic building block of hydraulic door-closer has supporting guide, travelling gear, resets bullet Spring, check valve, rack plunger, throttling valve core and housing, end cap, sealing ring and connecting rod.Housing and connecting rod play fixation and close door The effect of device and connection door leaf and doorframe.The operation principle of door closer is：When opening the door, the action of door body drivening rod, and make biography Moving gear rotates, and driving rack plunger moves to the right.Spring is compressed during plunger moves to right, the hydraulic pressure in right chamber Oil is also pressurized.Unidirectional valve sphere on the left of plunger is opened in the presence of oil pressure, and the hydraulic oil in right chamber flows to a left side through check valve In chamber.After the completion of door opening process, because spring is compressed in opening process, the elastic potential energy put aside is released, will Plunger pushes away toward left side, band nutating gear and door closer link rotatable, makes a closing.

It is sometimes excessive because returning power but current door closer is when closing, and cause door quickly to touch on doorframe, Larger noise is not only produced, and collides fragile door, doorframe, hinge etc. for a long time, influences the closure of door.

Utility model content

To solve the above problems, the purpose of this utility model is to provide a kind of door closer-holder of anticollision.

To achieve the above object, the door closer-holder of anticollision, including hydraulic door-closer and crusherbull zone fill the utility model Put, the shell both sides of buffer device for collision are the installing plate with screw fixing hole, and the installing plate of buffer device for collision passes through screw It is fixed on hydraulic door-closer to set in the thickening fixed plate of connecting rod side, buffer device for collision also includes buffer board and is symmetrical arranged Press compression leg, one side of two one end by compression leg respectively with buffer board is fixedly connected, and two other ends by compression leg then run through Shell is fixedly connected with the piston push plate in cushion chamber, and two one end by the guide rod on the outside of compression leg are fixed with buffer board to be connected Connect, the other end of guide rod is then located in the guide rod slideway of cushion chamber both sides respectively, the upper end end of every guide rod slideway Be respectively kept with exhaust outlet, by screw fixation covered with cap in the opening of upper surface of outer cover, cap lower surface covered with it is outer The sealed rubber plate that shell opener is in close contact, the exhaust passage that cushion chamber is in communication with the outside, exhaust passage are provided with cap Horizontal position vertically through there is a threaded regulation threaded post, regulation threaded post is screwed in above exhaust passage first in cap In inner thread sleeve, piston push plate upper surface sets one layer of horizontal cross-section and cushion chamber horizontal cross sectional geometry identical rubber slab, The upper surface of rubber slab is pressed with rubber slab stripper plate by the stage clip of compressive state, and compression spring sleeve is on screw rod, the upper end of stage clip Contacted with the rotation tray bottom of screw rod upper end, the lower end of stage clip is then located in the pit of rubber slab stripper plate upper surface, screw rod Rubber slab stripper plate, rubber slab are run through in lower end, and in the second inner thread sleeve being screwed in piston push plate, the second inner thread sleeve Lower ending opening this one end is sealed up with plug, the rebound spring in relaxation state, rebound spring are provided with cushion chamber Upper end contacted with sealed rubber plate lower surface, the lower end of rebound spring connects with the rubber slab stripper plate upper surface of screw rod surrounding Touch.

The door closer-holder of the utility model anticollision, the housing of hydraulic door-closer are arranged on doorframe, hydraulic door-closer Connecting rod connects door leaf, and the buffer board alignment door leaf of buffer device for collision, and the rebound spring in buffer device for collision, which is in, to be loosened During state, buffer board can contact with door leaf when will close, this process so closed completely in door leaf, door leaf The power acted on buffer board, row buffering on the one hand can be entered by the rebound spring in buffer device for collision, is on the other hand buffered Chamber forms air spring, also can rapidly absorb the external force that buffer board is subject to, and effectively reduces hydraulic door-closer and reels door soon Pulling force is excessive during fan and the collision to caused by door leaf, ensures door leaf while can close, and can preferably protects door leaf.

Brief description of the drawings

Fig. 1 is dimensional structure diagram of the present utility model；

Fig. 2 is main structure diagram of the present utility model；

Fig. 3 is structural representation of the present utility model；

Fig. 4 is the internal structure schematic diagram of the utility model buffer device for collision；

Fig. 5 is the use state diagram after the utility model installation.

In figure：The installing plate 4 of 1 hydraulic door-closer, 2 shell 3 thickeies the buffer board 6 of fixed plate 5 and presses the cushion chamber 8 of compression leg 7 The sealed rubber plate of 14 cap of piston push plate 9 guide rod, 10 guide rod slideway, 11 exhaust outlet, 12 threaded collar, 13 screw 15 The spiral shell of 16 exhaust passages 17,21 rubber slab stripper plate of regulation threaded post 18 first inner thread sleeve, 19 rubber slab, 20 stage clip 22 The door leaf of 23 27 doorframe of rotating disc 24 second inner thread sleeve, 25 plug, 26 rebound spring of bar 28.

Embodiment

As Figure 1-5, the door closer-holder of anticollision, including hydraulic door-closer 1 and buffer device for collision, crusherbull zone dress The both sides of shell 2 put are the installing plate 3 with screw fixing hole, and the installing plate 3 of buffer device for collision is fixed by screws in hydraulic pressure Door closer 1 is set in the thickening fixed plate 4 of connecting rod side, and buffer device for collision also includes buffer board 5 and symmetrically arranged pressing Post 6, one side of two one end by compression leg 6 respectively with buffer board 5 are fixedly connected, and two other ends by compression leg 6 are then through outer Shell 2 is fixedly connected with the piston push plate 8 in cushion chamber 7, and one end of two guide rods 9 by the outside of compression leg 6 is fixed with buffer board 5 Connection, the other end of guide rod 9 then respectively in the guide rod slideway 10 of the both sides of cushion chamber 7, every guide rod slideway 10 Upper end end is respectively kept with exhaust outlet 11, is fixed in the opening of the upper surface of shell 2 by screw 13 covered with cap 14, cap 14 Lower surface covered with the sealed rubber plate 15 being in close contact with the opening of shell 2, be provided with cap 14 by cushion chamber 7 with it is extraneous even Logical exhaust passage 16, the horizontal position of exhaust passage 16 adjust threaded post vertically through there is threaded regulation threaded post 17 17 are screwed in the first inner thread sleeve 18 in the top cap 14 of exhaust passage 16, by adjusting the depth of threaded post 17, The size of i.e. adjustable capacity, certainly, regulation threaded post 17 is located at deeper in cap 14, and the capacity of exhaust passage 16 is got over Small, the upper surface of piston push plate 8 sets one layer of horizontal cross-section and the horizontal cross sectional geometry identical rubber slab 19 of cushion chamber 7, rubber slab 19 upper surface is pressed with rubber slab stripper plate 21 by the stage clip 20 of compressive state, and stage clip 20 is enclosed on screw rod 22, stage clip 20 Upper end contacted with the bottom of rotating disc 23 of the upper end of screw rod 22, the lower end of stage clip 20 is then positioned at the upper surface of rubber slab stripper plate 21 In pit, the lower end of screw rod 22 is through rubber slab stripper plate 21, rubber slab 19, and the second internal thread being screwed in piston push plate 8 In sleeve 24, so, rubber slab 19 is tightly clamped by rubber slab stripper plate 21, piston push plate 8, the elasticity of rubber slab 19 is bigger It is better, because the extruding force of rubber slab stripper plate 21, piston push plate 8 preferably can flatten rubber slab 19, make rubber slab 19 Edge preferably contacts with the side wall of cushion chamber 7, and rubber slab 19 forms the piston of better tightness, rubber slab stripper plate 21, piston Extruding force between push pedal 8 can then adjust the thrust of stage clip 20 by twisting rotating disc 23, the second inner thread sleeve 24 Lower ending opening is sealed up this one end with plug 25, and the rebound spring 26 in relaxation state, resilience bullet are provided with cushion chamber 7 The upper end of spring 26 contacts with the lower surface of sealed rubber plate 15, the lower end of rebound spring 26 and the rubber slab stripper plate of the surrounding of screw rod 22 21 upper surfaces.

In order that the second inner thread sleeve 24 is stronger in piston push plate 8, second inner thread sleeve 24 The threaded collar 12 that a circle is raised in body is provided with lateral wall.

Operation principle of the present utility model：The housing of hydraulic door-closer 1 is arranged on doorframe 27, the company of hydraulic door-closer 1 Bar connects door leaf 28, and the buffer board 5 of buffer device for collision is directed at door leaf, such as Fig. 5；In this mistake that door leaf 28 closes completely Journey, the power that door leaf 28 is acted on buffer board 5, on the one hand row buffering can be entered by the rebound spring 26 in buffer device for collision, Another aspect cushion chamber 7 forms air spring, i.e., the air in piston press cushion chamber 7 that rubber slab 19 is formed, passes through tune The capacity of exhaust passage 16 is saved, capacity is smaller, and the air moment in cushion chamber 7 is extruded, but due to the row of exhaust passage 16 Tolerance is limited, therefore is extruded the air in cushion chamber 7 and produces elastic force in a short time, also can rapidly absorb buffer board 5 external force being subject to, effectively reduce hydraulic door-closer 2 when reeling door leaf 28 soon pulling force it is excessive and to collision caused by door leaf 28, this One excessive pulling force can diminish in the later stage with the closure of door leaf 28 slowly, meanwhile, after a period of time, in cushion chamber 7 Air being discharged from exhaust passage 16 slowly, finally, door leaf 28 closes under the pulling force effect of hydraulic door-closer 1, and hydraulic pressure closes For door device 1 to the pulling force of door leaf 18, that is, the elastic force of rebound spring 26 need to be only more than by closing the pulling force of door.

Certainly, it is to limitation of the present utility model that described above, which is not, and the utility model is also not limited to the example above, this The those of ordinary skill of technical field, in essential scope of the present utility model, change, change, addition or the replacement made, all The scope of protection of the utility model should be belonged to.

Claims (2)

1. the door closer-holder of anticollision, it is characterised in that：Including hydraulic door-closer（1）And buffer device for collision, crusherbull zone dress The shell put（2）Both sides are the installing plate with screw fixing hole（3）, the installing plate of buffer device for collision（3）Fixed by screw In hydraulic door-closer（1）The thickening fixed plate of connecting rod side is set（4）On, buffer device for collision also includes buffer board（5）With it is right Claim what is set to press compression leg（6）, two are pressed compression leg（6）One end respectively with buffer board（5）One side be fixedly connected, two are pressed compression leg （6）The other end then run through shell（2）With cushion chamber（7）Interior piston push plate（8）It is fixedly connected, two are pressed compression leg（6）Outside Guide rod（9）One end and buffer board（5）It is fixedly connected, guide rod（9）The other end be then located at cushion chamber respectively（7）Both sides Guide rod slideway（10）It is interior, every guide rod slideway（10）Upper end end be respectively kept with exhaust outlet（11）, shell（2）Upper table Pass through screw in the opening in face（13）Fix covered with cap（14）, cap（14）Lower surface covered with shell（2）Opening is tight The tactile sealed rubber plate of contiguity（15）, cap（14）Inside it is provided with cushion chamber（7）The exhaust passage being in communication with the outside（16）, row Gas passage（16）Horizontal position vertically through there is threaded regulation threaded post（17）, adjust threaded post（17）It is logical to be screwed in exhaust Road（16）Top cap（14）The first interior inner thread sleeve（18）It is interior, piston push plate（8）Upper surface sets one layer of horizontal cross-section With cushion chamber（7）Horizontal cross sectional geometry identical rubber slab（19）, rubber slab（19）The upper surface stage clip that passes through compressive state （20）It is pressed with rubber slab stripper plate（21）, stage clip（20）It is enclosed on screw rod（22）On, stage clip（20）Upper end and screw rod（22）On The rotating disc at end（23）Bottom contacts, stage clip（20）Lower end be then located at rubber slab stripper plate（21）In the pit of upper surface, spiral shell Bar（22）Lower end run through rubber slab stripper plate（21）, rubber slab（19）, and it is screwed in piston push plate（8）In the second inner screw sheath Cylinder（24）It is interior, the second inner thread sleeve（24）Lower ending opening plug（25）This one end is sealed up, cushion chamber（7）Interior setting There is the rebound spring in relaxation state（26）, rebound spring（26）Upper end and sealed rubber plate（15）Lower surface contacts, and returns Play spring（26）Lower end and screw rod（22）The rubber slab stripper plate of surrounding（21）Upper surface.

2. the door closer-holder of anticollision according to claim 1, it is characterised in that：Second inner thread sleeve（24）'s The threaded collar that a circle is raised in body is provided with lateral wall（12）.