CN2695575Y - Multifunctional hinge for automatic door closing - Google Patents

Abstract

The utility model discloses a multifunctional hinge for automatic closing doors, comprising an upper pipe body and a lower pipe body which are fixedly connected with a doorframe, and a middle pipe body which is fixedly connected with a door leaf. The lower pipe body is provided with a torsion spring, a torsion spring seat and a torsion spring core bar, and the lower end center of the torsion spring seat is designed to form an inner hexagon hole or a quadrangle hole. A structure which automatically regulates the size of force for closing door is formed. The multifunctional hinge for automatic closing doors also comprises a door stopping position limit mechanism. The middle pipe body is provided with an inside stopping seat and a hollow inside stopping core bar which is provided with a spring lower platen which is fixedly connected with an inside stopping sheet, a spring and an upper platen, and the lower end of a screw is contacted with the upper platen. The inside stopping sheet is matched with a V-shaped slot on the inside stopping seat, and a connecting sleeve makes the inside stopping sheet core bar position on the middle pipe body by pins. The upper pipe body is connected with a positioning tine, and a hexagon hole on the positioning tine is matched with the upper end of the inside stopping core bar. The multifunctional hinge for automatic closing doors has the advantages that a door can be stopped at a required position and does not move; people do not need to stop the door, and the door does not need a door attraction hardware. The size of force for closing the door is regulated conveniently, and the appearance is beautiful and compact.

Description

Automatically close a multifunctional hinge

Technical field

The utility model relates to a kind of and uses hinge, particularly a kind ofly integrate that hinge, door closer, door stop, the door-inhale function close a multifunctional hinge automatically.

Background technology

It is by hinge door to be connected on the doorframe that traditional door is installed, and can only open Door by Hand, close the door, want to reach close door automatically, the location of opening the door then must install hardwares such as door closer and door-inhale, and is not only time-consuming but also not attractive in appearance.The hinge that the band torsion spring is also arranged in the market, it comprises body, torsion spring, torsion spring seat, the torsion spring seat radially have a several holes, have groove on the body of relevant position, the torsion spring two ends are fixedly connected on respectively by the torsion spring seat and reach the function of closing door automatically on doorframe page or leaf, the door leaf page or leaf, and door closing force regulate to be alternately to insert by two rod irons and to rotate the torsion spring seat in the radial hole of torsion spring seat and regulate torsion spring and insert radial hole by pin to the required door closing force and be positioned at and finish in the groove of body.Its weak point is that door closing force is regulated troublesome poeration, and fluting exposes the radial hole on the torsion spring seat on the body, and integral body is not attractive in appearance.

The utility model content

The purpose of this utility model is to overcome above-mentioned deficiency, provide a kind of can close automatically door, again door is stopped in the position of needs and motionless, the door closing force size adjustment is easy to operate closes a multifunctional hinge automatically.

In order to achieve the above object, automatically a multifunctional hinge that closes of the present utility model, comprise that door leaf page or leaf, doorframe page or leaf, the middle tube body that is connected with the door leaf page fixing, the lower tube body that is connected with the doorframe page fixing, torsion spring two ends are connected with doorframe page or leaf, door leaf page fixing by torsion spring seat, torsion spring core bar respectively, have several radial holes on the torsion spring seat; Comprise that also door stops position-limit mechanism: inner stopping base is fixedly connected on the middle tube body lower end, stopping core bar in hollow is located on the inner stopping base, wherein be equipped with spring, lower platen on the spring, stop sheet in being fixedly connected with on the lower platen, it can be complementary with " V " shape groove on the inner stopping base, in stop the core bar top screw that has been threaded, touch mutually with top board the screw lower end, in being enclosed within, adapter sleeve stops the core bar outside, by alignment pin and middle tube body location, hexagonal on the positioning tooth or four jiaos of holes with in stop the core bar upper end and match, the straight-tooth engagement shaft is joined to cunning in outer straight-tooth on it and the upper tube body, upper tube body is fixedly connected on the doorframe page or leaf, and described torsion spring core bar upper end is threaded on the inner stopping base.

The center, lower end of described torsion spring seat is designed to hexagon ring or four jiaos of holes, described lower tube body with described torsion spring seat on the radial hole corresponding position have a hole.

The utility model is owing to adopted said structure, be provided with door and stop position-limit mechanism, opening and closing by door, stopping core bar in making rotates, when open angle stops on demand, embed and to reach door in the groove of inner stopping base and stop and motionless purpose thereby stop sheet in should making, save that door stops, the door-inhale hardware in the position of needs; Fixedly reach door closing force with alignment pin when the hexagon ring by center, torsion spring seat lower end or four jiaos of holes are rotated this hole to required door closing force with corresponding spanner and regulate easy to operate, radial hole and do not expose, make door closing hinge good looking appearance, succinctly.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is described in further detail.

As shown in Figure 1, the utility model embodiment close automatically a multifunctional hinge comprise doorframe page or leaf 1, positioning tooth 2, roller 3,5,25, in stop core bar 4, go up lower platen 6, inner stopping base 7, torsion spring core bar 8, alignment pin 9,13,17, upper tube body 10, screw 11, adapter sleeve 12, spring 14, middle tube body 15, in stop sheet 16, ball 18, packing ring 19, torsion spring 20, lower tube body 21, torsion spring seat 22,, door leaf page or leaf 23.Upper and lower body 10,21 is fixedly connected on the doorframe page or leaf 1, and middle tube body 15 is fixedly connected on the door leaf page or leaf 23.Lower tube body 21 is built-in with torsion spring seat 22, torsion spring 20, torsion spring core bar 8 movable insertions in torsion spring seat 22 holes, torsion spring seat 22 radially has several holes, lower tube body 21 is having a hole with torsion spring seat radial hole corresponding position, fixedly connected with torsion spring core bar 8 by inner stopping base 7 in torsion spring 20 upper ends, middle tube body 15 is fixing with door leaf page or leaf 23, torsion spring 20 lower ends are fixedly connected on the torsion spring seat 22, center, torsion spring seat 22 lower end is designed to inner hexagonal hole 24, regulate torsion to required door closing force size by die nut, insert with alignment pin 9 in some radial holes of the hole of lower tube bodies 21 and torsion spring seat 22, thereby make torsion spring 20 lower ends and doorframe page or leaf 1 fixing, more than constitute and close door and door closing force size adjustment mechanism automatically.Inner stopping base 7 is fixedly connected on the middle tube body 15 by alignment pin 17, stopping core bar 4 in hollow is located on the inner stopping base 7, in stop being equipped with in the core bar 4 spring 14, spring 14 two ends have last lower platen 6, lower platen 6 soffits to stop sheet 16 in being fixedly connected with, in stop sheet 16 and can be complementary with " V " shape groove on the inner stopping base 7; In stop the core bar 4 tops set screw 11 that has been threaded, touch mutually with top board 6 screw 11 lower ends; Stop core bar 4 outsides in adapter sleeve 12 is enclosed within, be positioned on the middle tube body 15 by alignment pin 13; Hexagon ring on the positioning tooth 2 with in stop core bar 4 upper ends hexagonal be complementary, the outer straight-tooth on it joins to cunning with upper tube body 10 interior straight-tooth engagement shaft, torsion spring core bar 4 upper ends are threaded on the inner stopping base 7.The adjustment doors off-position is put: when door is opened to the stop position that needs, stops sheet 16 in should making and embed in " V " shape groove of inner stopping bases 7, by the decrement of set screw 11 regulating springs 14, door is stopped and till motionless.During use, when door is opened to required door off-position and puts, in stop sheet 16 and promptly embed in " V " shape groove of inner stopping base 7, door is stopped and motionless; At closing time, door leaf page or leaf 23 drives inner stopping bases 7 and rotates, in stop " V " shape groove that sheet 16 shrinks on the inner stopping base 7 that slips away by spring 14, under torsion spring 20 effects, close the door automatically.

Claims (2)

1, a kind of multifunctional hinge that closes automatically, comprise door leaf page or leaf (23), doorframe page or leaf (1), the middle tube body (15) of fixedlying connected with door leaf page or leaf (23), the lower tube body (21) of fixedlying connected with doorframe page or leaf (1), torsion spring (20) two ends are respectively by torsion spring seat (22), torsion spring core bar (8) and doorframe page or leaf (1), door leaf page or leaf (23) is fixedly connected, the torsion spring seat has several radial holes on (22), it is characterized in that also comprising that door stops position-limit mechanism: inner stopping base (7) is fixedly connected on middle tube body (15) lower end, stopping core bar (4) in hollow is located on the inner stopping base (7), wherein be equipped with spring (14), lower platen on the spring (6), stop sheet (16) in being fixedly connected with on the lower platen (6), it can be complementary with " V " shape groove on the inner stopping base (7), in stop core bar (4) the top screw (11) that has been threaded, touch mutually with top board (6) screw (11) lower end, in being enclosed within, adapter sleeve (12) stops core bar (4) outside, by alignment pin (13) and middle tube body (15) location, hexagonal on the positioning tooth (2) or four jiaos of holes with in stop core bar (4) upper end and match, outer straight-tooth on it and the interior straight-tooth engagement shaft of upper tube body (10) are joined to cunning, upper tube body (10) is fixedly connected on the doorframe page or leaf (1), and described torsion spring core bar (8) upper end is threaded on the inner stopping base (7).

2, a multifunctional hinge that closes automatically according to claim 1 is characterized in that the center, lower end of described torsion spring seat (22) is designed to hexagon ring or four jiaos of holes, and described lower tube body (21) is upward having a hole in the radial hole corresponding position with described torsion spring seat (22).