CN207033172U

CN207033172U - Door closer

Info

Publication number: CN207033172U
Application number: CN201720255370.9U
Authority: CN
Inventors: 陈波
Original assignee: NIO Co Ltd
Current assignee: NIO Co Ltd
Priority date: 2017-03-16
Filing date: 2017-03-16
Publication date: 2018-02-23
Anticipated expiration: 2027-03-16

Abstract

The utility model belongs to door closer field, specifically provides a kind of door closer with enabling amplitude stopping means.The utility model aims to solve the problem that existing door closer is unable to the problem of clamshell doors amplitude plays a part of limitation.The door closer includes rocking arm and secondary-rocker, the first end of the rocking arm is used to be connected to door leaf, the first end of the secondary-rocker is used to be connected to doorframe or wall, second end of the rocking arm is pivotally connected to the second end of the secondary-rocker, the door closer also includes enabling amplitude limiter assembly, for the maximum expanded angle between the rocking arm and the secondary-rocker to be limited in into a predetermined angle.Because with said structure, the door closer is on the basis of simple in construction, easy for installation, additionally it is possible to the opening amplitude of door leaf is limited when opening the door, avoid enabling amplitude it is larger when door leaf collision wall situation occur, extend the service life of door leaf.

Description

Door closer

Technical field

The utility model belongs to door closer field, specifically provides a kind of door closer with enabling amplitude stopping means.

Background technology

Door closer be mainly used for ensureing that door is opened after, in time close arrive initial position, door closer is main In business and public purpose, not only pedestrian's disengaging provides conveniently, and also the people to work, living in doors alleviates tired Disturb.In addition, door closer can also limit the ventilation in the sprawling and building of fire.But door closer goes out in use The problem of new is showed, existing door closer can not limit the aperture of door, if overexerted when opening the door, door is easy to collide Wall or other objects behind the door, cause the damage of door, wall or other objects.

At present, existing door closer is all to be opened the effect for playing close automatically afterwards in door, not during clamshell doors Enabling amplitude plays restriction effect.

Correspondingly, this area needs a kind of new door closer to solve the above problems.

Utility model content

It has been that the existing door closer of solution is unable to clamshell doors amplitude and played to solve above mentioned problem of the prior art The problem of effect of limitation, the utility model provide a kind of door closer, and the door closer includes rocking arm and secondary-rocker, described to shake The first end of arm is used to be connected to door leaf, and the first end of the secondary-rocker is used to be connected to doorframe or wall, described to shake Second end of arm is pivotally connected to the second end of the secondary-rocker, it is characterised in that the door closer also includes enabling amplitude Limiter assembly, for the maximum expanded angle between the rocking arm and the secondary-rocker to be limited in into a predetermined angle.

In the optimal technical scheme of above-mentioned door closer, the enabling amplitude limiter assembly includes head rod and the Two connecting rods, the first end of the head rod are connected with the rocker arm pivots, the first end of second connecting rod with The secondary-rocker is pivotally connected to, and the second end of the head rod and the second end of second connecting rod pivotally connect Connect.

In the optimal technical scheme of above-mentioned door closer, the rocking arm on the secondary-rocker with being provided with several positioning Hole, the first end of the first end of the head rod and second connecting rod by the first alignment pin respectively with the rocking arm On the first positioning hole and the second positioning hole on the secondary-rocker be pivotally connected to, to adjust the predetermined angle Size.

In the optimal technical scheme of above-mentioned door closer, the head rod includes the first chute and with described first The first regulating part that chute coordinates, first regulating part can be slided on first chute, set on first chute Multiple positioning holes are equipped with, first regulating part can be fixed on first chute by the second alignment pin；Described second Connecting rod includes the second chute and the second regulating part coordinated with second chute, and second regulating part can be described the Slided on two chutes, multiple positioning holes are provided with second chute, second regulating part can by the 3rd alignment pin It is fixed on second chute.

In the optimal technical scheme of above-mentioned door closer, the enabling amplitude limiter assembly is flexible connecting member, described One end of flexible connecting member is connected on the rocking arm, and the other end of the flexible connecting member is connected on the secondary-rocker.

In the optimal technical scheme of above-mentioned door closer, buckle is set on the flexible connecting member, the buckle is used In the length for adjusting the flexible connecting member, so as to adjust enabling amplitude.

In the optimal technical scheme of above-mentioned door closer, the flexible connecting member is flexible hawser or flexible pipe.

It will be appreciated to those of skill in the art that in optimal technical scheme of the present utility model, by being provided for The enabling amplitude limitation group maximum expanded angle between the rocking arm and the secondary-rocker being limited in a predetermined angle Part so that the door closer can limit the size of enabling amplitude, be overexerted when avoiding enabling, door leaf collision wall or its The problem of his object.

Brief description of the drawings

Fig. 1 is door closer of the present utility model in structural representation at closing time；

Fig. 2 is the structural representation when opening the door of door closer of the present utility model.

Embodiment

Preferred embodiment of the present utility model described with reference to the accompanying drawings.It should be understood by those skilled in the art that It is that these embodiments are used only for explaining technical principle of the present utility model, it is not intended that limit protection of the present utility model Scope.Such as connecting rod is combined in specification to describe, but the utility model obviously can use the portion of other forms Part.

It should be noted that in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the direction of instruction such as " level ", " interior ", " outer " or the term of position relationship are closed based on direction shown in the drawings or position System, this is intended merely to facilitate description, rather than instruction or hint described device or element must have specific orientation, Yi Te Fixed azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second " are only For descriptive purposes, and it is not intended that instruction or hint relative importance.

In addition it is also necessary to explanation, in description of the present utility model, unless otherwise clearly defined and limited, art Language " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or It is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, can also be by between intermediary Connect connected, can be the connection of two element internals.To those skilled in the art, can understand as the case may be above-mentioned Concrete meaning of the term in the utility model.

First, refering to Fig. 1 and Fig. 2, Fig. 1 is door closer of the present utility model in structural representation at closing time；Fig. 2 is The structural representation when opening the door of door closer of the present utility model.As depicted in figs. 1 and 2, the door closer includes the He of rocking arm 1 Secondary-rocker 2, the first end of the rocking arm 1 are used to be connected to door leaf 3, and the first end of the secondary-rocker 2 is used to be connected to doorframe Or on wall, the second end of the rocking arm 1 and the second end of the secondary-rocker 2 are pivotally connected to, the door closer also includes opening Door amplitude limiter assembly 4, it is predetermined for the maximum expanded angle between the rocking arm 1 and the secondary-rocker 2 to be limited in into one In angle.

With continued reference to Fig. 1 and Fig. 2, specifically, the enabling amplitude limiter assembly 4 connects including head rod 41 and second Extension bar 42, the first end of the head rod 41 are pivotally connected to the rocking arm 1, the first end of second connecting rod 42 It is pivotally connected to the secondary-rocker 2, the second end of the head rod 41 and the second end pivot of second connecting rod 42 Turn ground connection.

With continued reference to Fig. 1 and Fig. 2, further, the rocking arm 1 on the secondary-rocker 2 with being provided with several positioning Hole, the first end of the first end of the head rod 41 and second connecting rod 42 by the first alignment pin respectively with it is described The second positioning hole 21 on the first positioning hole 11 and the secondary-rocker 2 on rocking arm 1 is pivotally connected to, described pre- to adjust The size of fixed angle.In addition, in addition to setting positioning hole, also another embodiment：The head rod 41 wraps The first chute and the first regulating part coordinated with first chute are included, first regulating part can be on first chute Slide, be provided with multiple positioning holes on first chute, first regulating part can be fixed on institute by the second alignment pin State at any one of positioning hole on the first chute；Second connecting rod 42 includes the second chute and slided with described second The second regulating part that groove coordinates, second regulating part can be slided on second chute, set on second chute There are multiple positioning holes, second regulating part can be fixed on any one institute on second chute by the 3rd alignment pin State at positioning hole.

With continued reference to Fig. 1, the enabling amplitude limiter assembly can also be flexible connecting member, and the flexible connecting member can be with It is flexible hawser or flexible pipe, the both ends of the flexible connecting member are connected respectively to the rocking arm 1 and the secondary-rocker 2, In addition, setting buckle on the flexible connecting member, the buckle can adjust the length of the flexible connecting member, so as to adjust The maximum open angle of the door leaf.

So far, combined preferred embodiment shown in the drawings describes the technical solution of the utility model, still, this Art personnel are it is easily understood that the scope of protection of the utility model is expressly not limited to these embodiments. On the premise of principle of the present utility model, those skilled in the art can make equivalent change to correlation technique feature Or replace, the technical scheme after these are changed or replaced it is fallen within the scope of protection of the utility model.

Claims

1. a kind of door closer, the door closer includes rocking arm and secondary-rocker, and the first end of the rocking arm is used to be connected to door leaf, The first end of the secondary-rocker is used to be connected to doorframe or wall, the second end of the rocking arm and the second end of the secondary-rocker It is pivotally connected to, it is characterised in that the door closer also includes enabling amplitude limiter assembly, for by the rocking arm and the pair Maximum expanded angle between rocking arm is limited in a predetermined angle.

2. door closer according to claim 1, it is characterised in that the enabling amplitude limiter assembly includes head rod With the second connecting rod, the first end of the head rod is connected with the rocker arm pivots, and the first of second connecting rod End is pivotally connected to the secondary-rocker, and the second end of the second end of the head rod and second connecting rod is pivotally Connection.

3. door closer according to claim 2, it is characterised in that the rocking arm on the secondary-rocker with being provided with several Positioning hole, the first end of the first end of the head rod and second connecting rod by the first alignment pin respectively with it is described The second positioning hole on the first positioning hole and the secondary-rocker on rocking arm is pivotally connected to, to adjust the predetermined angle The size of degree.

4. door closer according to claim 2, it is characterised in that the head rod include the first chute and with it is described The first regulating part that first chute coordinates, first regulating part can slide on first chute, first chute On be provided with multiple positioning holes, first regulating part can be fixed on any on first chute by the second alignment pin At one positioning hole；Second connecting rod includes the second chute and the second regulating part coordinated with second chute, described Second regulating part can be slided on second chute, and multiple positioning holes are provided with second chute, and described second adjusts Section part can be fixed on by the 3rd alignment pin at any one positioning hole on second chute.

5. door closer according to claim 1, it is characterised in that the enabling amplitude limiter assembly is flexible connecting member, One end of the flexible connecting member is connected on the rocking arm, and the other end of the flexible connecting member is connected to the secondary-rocker On.

6. door closer according to claim 5, it is characterised in that buckle, the card are set on the flexible connecting member Detain the length for adjusting the flexible connecting member.

7. door closer according to claim 5, it is characterised in that the flexible connecting member is flexible hawser or soft Pipe.