CN209723990U - The return device of automatic closing door - Google Patents

Abstract

A kind of return device of automatic closing door, is related to return device field, including return part, fixed part and connecting column；The return part includes V-type plate, idler wheel and roller shaft；The fixed part includes U-shaped button；Described connecting column one end be connected to it is U-shaped buckle, the connecting column other end is passed through with roller shaft orthorhombic phase；The roller shaft both ends are respectively installed by one idler wheel；The V-type plate is covered on connecting column and can be rotated around connecting column；The V-type plate is between roller shaft and U-shaped button.The return device structure is simple, and the return is partially installed on doorframe, and the U-shaped button of the fixed part is mounted on door-plate, reduces the visible part of the return device, is conducive to the aesthetics for promoting self-return door entirety.

Description

The return device of automatic closing door

Technical field

The utility model relates to a kind of return device, in particular to the return device of a kind of automatic closing door.

Background technique

Supermarket, hospital, factory access door mostly use the automatic closing door of high-freedom degree, can satisfy high-intensitive switch Door use demand.Automatic closing door is not only sturdy and durable, but also can be closed automatically after removing the external force on door, reduces because forgetting Close the door and bring is inconvenient.Return part is arranged on door-plate more in the return device that existing automatic closing door uses, and influences beauty It sees and structure is complicated.

Utility model content

The technical issues of the utility model solves is to provide a kind of return device of automatic closing door, and handsome in appearance and structure is simple It is single.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of return device of automatic closing door, packet Include return part, fixed part and connecting column (200)；The return part includes V-type plate, idler wheel and roller shaft；The fixation Part includes U-shaped button；Wherein one end is fixed on U-shaped buckle to the connecting column；The roller shaft is passed through with connecting column orthorhombic phase；It is described Roller shaft both ends are equipped with idler wheel；The V-type plate is covered on connecting column and can be rotated around connecting column；V-type plate is located at roller shaft Between U-shaped button, V-type plate opening direction is towards roller shaft.The U-shaped button of the fixed part is fixed on door-plate, it is U-shaped button with Door rotates together；The V-type plate is fixed on doorframe, will not be moved with the rotation of door；Under original state, door is in closure State, the idler wheel are trapped in V-type plate dogleg section, idler wheel outer surface and V-type plate dogleg section plane tangent；Door is in open shape Under state, U-shaped cingulum moves roller shaft rotation, and the idler wheel returns to initial position in V-type plate surface scrolls under the effect of gravity, To drive door to be closed automatically.

Further, the return is partially installed on doorframe, the fixed part is mounted on door-plate.By return portion Divide and be mounted on doorframe, appearance effects very little on the door improves whole aesthetics.

Further, the U-shaped button horizontal component middle position is provided with connection post holes, U-shaped button two sides vertical portion On be provided with four pairs of U-shaped through-holes.U-shaped buckle is buckled on door, and U-shaped button is fixed by four pairs of U-shaped through-holes.Fixed part The U-shaped button divided is directly anchored on door-plate, improves the aesthetics of self-return door.

Further, the connecting column passes through connection post holes far from one end of roller shaft and connects with U-shaped button.

Further, being each provided with a fixation hole on the V-type plate quadrangle.V-type plate is fixed on door using screw On frame, screw is passed through out of fixation hole.

Further, preventing idler wheel from falling off far from being provided on the outside of connector one side in idler wheel on the roller shaft Anti-drop device.

Further, the anti-drop device is circlip or pin shaft.

Detailed description of the invention

Fig. 1 is return device structural schematic diagram when door is closed；

Fig. 2 is return device structural schematic diagram when door is opened；

Fig. 3 is return device structural blast schematic diagram.

In the figure, it is marked as U-shaped button 100, connection post holes 110, U-shaped through-hole 120, via hole 130, connecting column 200, welded plate 210, V-type plate 300, fixation hole 310, idler wheel 400, roller shaft 410.

Specific embodiment

The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

As shown in figure 3, a kind of return device of automatic closing door, including return part, fixed part and connecting column 200；Institute Stating return part includes V-type plate 300, idler wheel 400 and roller shaft 410；The fixed part includes U-shaped button 100；The connecting column 200 wherein one end be fixed on it is U-shaped button 100 on；The roller shaft 410 is passed through with 200 orthorhombic phase of connecting column；410 liang of the roller shaft End is equipped with idler wheel 400；300 sets of the V-type plate is on connecting column 200 and can rotate around connecting column；The V-type plate 300 Between roller shaft 410 and U-shaped button 100, V-type plate 300 is open towards roller shaft 410.The U-shaped button 100 of the fixed part is solid It is scheduled on door on the angle of doorframe, U-shaped button 100 rotates together with door；The V-type plate 300 is fixed on doorframe, Bu Huisui The rotation of door and move；Under original state, as shown in Figure 1, door is in closed state, the idler wheel 400 is trapped in V-type plate 300 In dogleg section, 400 outer surface of idler wheel and 300 dogleg section of V-type plate are tangent；Door in the on-state, as shown in Fig. 2, U-shaped button 100 drive roller shaft 410 to rotate, and the idler wheel 400 is in 300 surface scrolls of V-type plate, after removing external force on door, idler wheel 400 Initial position is eventually returned under the effect of gravity, so that door be driven to be closed automatically.

On the basis of the above, the return is partially installed on doorframe, and the fixed part is mounted on door-plate.By return Be partially installed on doorframe, can the part that is exposed of the less returning device, be conducive to promote whole aesthetics.

On the basis of the above, as shown in figure 3,100 horizontal component middle positions of the U-shaped button are provided with connection post holes 110, Four pairs of U-shaped through-holes 120 are provided in 100 two sides vertical portions of U-shaped button.U-shaped buckle is buckled on door, and U-shaped by described four pairs Through-hole is reinforced, and reinforcing mode can select tapping screw to be thread directly into door-plate or through-hole is arranged on door-plate, in U-shaped through-hole It is locked respectively using screw and nut two sides.

On the basis of the above, as shown in figure 3, the connecting column 200 passes through connection post holes far from one end of roller shaft 410 It 110 and 100 is connect with U-shaped button.There are many connection types for connecting column 200 and U-shaped button 100, can be directly by 200 one end of connecting column Be welded on it is U-shaped buckle, can also select and be screwed；In this example, it is arranged in the monosymmetric position of the connection post holes 110 A pair of of via hole 130, connecting column 200 are welded on a block welding plate 210, are connected welded plate 210 by via hole 130 with screw It connects on U-shaped button 100, realizes the connection of connecting column 200 and U-shaped button 100；This example is adopted to be screwed and weld and be combined Connecting column 200 is connected by mode with U-shaped button 100, and can not only guarantee to be connected firmly is not easy to loosen, but also facilitates maintenance replacement zero Part.

On the basis of the above, as shown in figures 1 and 3, a fixation hole is each provided on 300 4 jiaos of the V-type plate 310.V-type plate 300 is fixed by screws on doorframe, and screw is through in fixation hole 310.

On the basis of the above, as shown in Figure 1, in idler wheel 400 far from the outer of 200 one side of connecting column on the roller shaft 410 Side is provided with the device for preventing idler wheel from falling off.

On the basis of the above, the anti-drop device is circlip or pin shaft；It is being rolled as shown in figure 3, being used in this example The mode of wheel shaft both ends setting jump-ring slot and circlip prevents idler wheel from falling off.Idler wheel in this example is hardly damaged, so small in size, The good circlip of stickiness is more suitable for the situation of this example.

Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects Step is described in detail, it should be understood that being not limited to this foregoing is merely specific embodiment of the utility model Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap Containing being within the protection scope of the utility model.

Claims (7)

1. a kind of return device of automatic closing door, it is characterised in that: including return part, fixed part and connecting column (200)；Institute Stating return part includes V-type plate (300), idler wheel (400) and roller shaft (410)；The fixed part includes U-shaped button (100)；Institute Stating connecting column (200), wherein one end is fixed on U-shaped button (100)；The roller shaft (410) is passed through with connecting column (200) orthorhombic phase； Roller shaft (410) both ends are equipped with idler wheel (400)；The V-type plate (300) covers on connecting column (200) and can be around even Connect column (200) rotation；The V-type plate (300) is located between roller shaft (410) and U-shaped button (100), V-type plate (300) opening side To towards roller shaft (410).

2. a kind of return device of automatic closing door according to claim 1, it is characterised in that: the return is partially installed on On doorframe, the fixed part is mounted on door-plate.

3. a kind of return device of automatic closing door according to claim 1, it is characterised in that: the U-shaped button (100) is horizontal Part middle position is provided with connection post holes (110), is provided with four pairs of U-shaped through-holes in the vertical portion of U-shaped button (100) two sides (120)。

4. a kind of return device of automatic closing door according to claim 1 or 3, it is characterised in that: the connecting column (200) One end far from roller shaft (410) passes through connection post holes (110) and connect with U-shaped button (100).

5. a kind of return device of automatic closing door according to claim 1, it is characterised in that: V-type plate (300) quadrangle On be each provided with a fixation hole (310).

6. a kind of return device of automatic closing door according to claim 1, it is characterised in that: on the roller shaft (410) The anti-drop device for preventing idler wheel (400) from falling off is provided on the outside of idler wheel (400) separate connecting column (200) one side.

7. a kind of return device of automatic closing door according to claim 6, it is characterised in that: the anti-drop device is card Spring or pin shaft.