CN2253759Y - Automatic fastener for door open and close - Google Patents

Abstract

The utility model discloses an automatically locked device for door opening and closing, which is composed of two brackets, a push rod, a guide tube and a compressed spring, wherein the two brackets are respectively fixed on a door and a door frame; one end of the push rod is inserted into the guide tube; the two brackets are respectively and axially connected with the push rod and the guide tube; the compressed spring is sheathed on the push rod and the guide tube or is arranged in a guide tube at the front of the push rod. When the utility model is used, the mechanical principle is utilized, an opened door closes automatically through the action of the compressed spring within a certain range, and meanwhile, without the need of closing the door, the door is locked. The utility model has the advantages of simple structure, small volume, beautiful appearance and reliable function. The utility model is widely used in families, offices and public places.

Description

Automatically the lock of closing the door, open the door

The utility model belongs to a kind of self-locking gear, and it is mainly used in closing automatically of door or the locking of opposite house when needs open the door.

In actual life, people close the door automatically in order to realize, with a spring or with a rubber bar two ends are separately fixed on door and the doorframe mostly, utilize the pulling force of spring or rubber bar that door is closed automatically after opening the door.Though said method can reach the purpose of closing the door automatically, but spring or rubber bar are outer being exposed on the shop front, the utmost point is not attractive in appearance, and this method Dang Men open big more the time, the pulling force of its spring or rubber bar opposite house is just big more, will bring noise like this when door is closed, said method has only a function of closing the door automatically in addition, when needing sometimes when unlimited, it but can not satisfy, and only lays down the fixing end of spring or rubber bar and could realize bothering very much.Recently also occurred a kind of torsion spring type door closer on the market, it mainly is made up of a torsion spring and a depression bar, and torsion spring is positioned on the doorframe, and depression bar compresses the door back side, utilizes the strength of torsion spring by depression bar door to be shut automatically after opening the door.This method also can realize the purpose of closing the door automatically more effectively, but with same defect that above-mentioned spring and rubber bar method exist be also only to have a function, do not needing at closing time, it needs the depression bar at the door back side is removed, and makes it to break away from the torsion spring effect, uses very inconvenient.

The purpose of this utility model is at above-mentioned the deficiencies in the prior art, provides a kind of can the realization to close the door automatically, again can be at the pass, the door opener that do not need at closing time door locked.

The purpose of this utility model realizes by following measure, its technical characterstic is that it forms by being fixed on the support on the door and support and a resilient supporting unit of being fixed on the doorframe, resilient supporting unit is to be made of push rod, conduit, stage clip, one end of push rod inserts in the conduit, stage clip can be placed on push rod and the conduit, also can be placed in the conduit and the push rod front end in inserting conduit, the other end of push rod and conduit is connected with the door bracket axle with door bracket respectively.In addition, the tie point of the tie point of door bracket and push rod and door bracket and conduit with respect to the distance of support fixed pan than being 1: 1～1.2, during use, door bracket and the door bracket axis of rotation of opposite house mutually are individually fixed on a back side and the doorframe, two stands is drawn close side by side, can close the door automatically effectively for making, during installation, will give the prefabricated pressure of stage clip in the device, at ordinary times, door closes under the effect of stage clip, when opening the door, along with the rotation of door hinge, the support that is fixed on the back side rotates backward with door, drives push rod and conduit relative motion, with compression push rod and supravasal stage clip or by the stage clip in the push rod roof pressure conduit, simultaneously since push rod with are conduit two ends and being connected of two stands axle and connect, so when stage clip was compressed, the push rod also work of the shaft contact on door bracket rotated equally.According to mechanics principle, when before door is opened to a certain position, loosing one's grip, door can be closed under the effect of stage clip elastic force automatically, when door is opened to a certain position, because the power that act on the door this moment is in equilibrium state, Gu Men is decided to live on this position automatically, continue to be opened and work as door, the dynamic balance that act on the door this moment is broken, and it can change the direction of power, give the active force of door, make door locked at opening-wide state with other direction.When design, automatically locking the position can change by changing two strong point geometric positions.

The utility model compared with prior art, its significant advantage is: the lock of closing the door automatically, open the door that utilizes the equilibrium of forces principle to make, simple in structure, volume is small and exquisite attractive in appearance, be installed in the back side of door, reliable in action can be closed freely and be opened the door, practicality is stronger, can be widely used on the doors such as family, office.

Concrete structure of the present utility model is provided by the following drawings and embodiment.

Fig. 1 is the outer compressed spring type overall structure schematic diagram of the lock of closing the door automatically, open the door described in the utility model.

Fig. 2 is the interior compressed spring type overall structure schematic diagram of lock of closing the door automatically, open the door.

Fig. 3 is the vertical view of door bracket in the lock of closing the door automatically, open the door.

Fig. 4 is the vertical view of door bracket in the lock of closing the door automatically, open the door.

With reference to the accompanying drawings concrete structure of the present utility model is described in further details below.

Embodiment 1, referring to Fig. 1, the lock of closing the door automatically, open the door according to the utility model making, it mainly is made up of support 1, support 2, push rod 3, conduit 4 and stage clip 5, support 1 and support 2 are stamped to form type by the steel plate of thick 1mm, the both sides, bottom have fixing hole 8, see Fig. 3 and shown in Figure 4, and they are mounted in respectively on door 11 and the doorframe 12 in use.The material of push rod 3 and conduit 4 is 45 ^#Steel, one end of push rod 3 inserts in the conduit 4, its length overall is 70mm, wherein push rod 3 length are 50mm, conduit 4 length are 35mm, the other end of push rod 3 and conduit 4 is connected with support 2 with support 1 with rotating shaft 7 by a rotating shaft 6 respectively, the tie point of the tie point of support 1 and push rod 3 and support 2 and conduit 4 with respect to the distance of support fixed pan than satisfying 1: 1～1.2, can guarantee the practical standpoint of closing the door automatically like this and the active position of the locking of opening the door, this routine last tie point is 20mm apart from the distance of support fixed pan, and back one tie point is 30mm apart from the distance of support fixed pan.The pressure of stage clip 5 is 15～25kg, and it is enclosed within on push rod 3 and the conduit 4.In addition, in order to regulate the thrust of stage clip opposite house at any time easily, at the link of push rod 3 and support 1 and a diameter is housed on push rod 3 is 15mm, thick 3mm, the pressure of M5 is regulated spiral shell 10, the top of regulating the support 1 of spiral shell 10 positions corresponding to pressure has a window 9, be used for using easily and regulate spiral shell 10, see Fig. 3.

Embodiment 2, referring to Fig. 2, this is a kind of lock of closing the door automatically, open the door of interior stage clip structure, it and 1 difference of embodiment are: stage clip 5 is to be positioned at conduit 4 and at the front end of push rod 3, one end of push rod 3 inserts in the conduit 4 and withstands stage clip 5, its length overall still is 70mm, wherein the length of push rod is 25mm, conduit 4 length are 50mm, in order to regulate the thrust of stage clip opposite house, an end that is connected with support 1 at push rod 3 also is equipped with pressure and regulates spiral shell 10, and it is to realize the adjusting of stage clip pressure by the screw rods 13 in the push rod 3 that pressure is regulated spiral shell 10.Other building block in this example, annexation and physical dimension are all identical with embodiment 1.When specifically installing and using, should note two stands is close to relatively, with the fixing hole 8 of screw two stands firmly is fixed on door and the doorframe by both sides, two stands bottom.

Claims (5)

1, a kind of lock of closing the door automatically, opening the door of being used for, it is characterized in that it is made up of support [2] and a resilient supporting unit of being fixed on the support [1] on the door and be fixed on the doorframe, the two ends of resilient supporting unit respectively with door bracket [1] and door bracket [2] between for axle is connected, the distance of the relative support fixed pan of two tie points is than being 1: 1～1.2.

2, the lock of closing the door automatically, open the door according to claim 1, it is characterized in that resilient supporting unit is to be made of push rod [3], conduit [4], stage clip [5], one end of push rod [3] inserts in the conduit [4], stage clip [5] is placed on push rod [3] and the conduit [4], and the other end of push rod [3] and conduit [4] is connected with door bracket [2] axle with door bracket [1] respectively.

3, the lock of closing the door automatically, open the door according to claim 1, it is characterized in that resilient supporting unit is to be made of push rod [3], conduit [4], stage clip [5], one end of push rod [3] inserts in the conduit [4], stage clip [5] is positioned at conduit [4] and at the front end of push rod [3], the other end of push rod [3] and conduit [4] is connected with door bracket [2] axle with door bracket [1] respectively.

4, the lock of closing the door automatically, open the door according to claim 2 is characterized in that push rod [3] and support [1] link also have a pressure to regulate spiral shell [10].

5, the lock of closing the door automatically, open the door according to claim 3 is characterized in that the push rod [3] and the link of door bracket [1] also are equipped with a pressure adjusting spiral shell [10] by a screw rod [13].

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