CN105332576A

CN105332576A - Door stop

Info

Publication number: CN105332576A
Application number: CN201510918562.9A
Authority: CN
Inventors: 徐敏旺
Original assignee: Individual
Current assignee: Nantong Huaneng New Materials Co Ltd
Priority date: 2015-12-11
Filing date: 2015-12-11
Publication date: 2016-02-17
Anticipated expiration: 2035-12-11
Also published as: CN105332576B

Abstract

The invention discloses a door stop and belongs to the field of hardware. The door stop has the beneficial effects that collision sounds generated when the door stop works are weakened, operation is easy, and labor is saved. According to the technical scheme, the door stop comprises a cam, a protecting plate, a magnet, a stop rod and a base plate. The upper end face of the stop rod is movably connected with a transversely-arranged swing rod through a pin shaft. The protecting plate and the magnet are arranged at the outer end, close to the cam, of the swing rod. The peripheral wall of the stop rod is sleeved with a torsional spring in a surrounded mode. The lower end of the torsional spring is fixed to the base plate, and the upper end of the torsional spring is fixed to the swing rod. By means of the acting force of the torsional spring, the direction of the outer end of the swing rod in a static state is identical to that of the opened edge of a door leaf after the door leaf is completely opened. The door stop is applicable to a door leaf device.

Description

Door knob

Technical field

The invention belongs to hardware article field, specifically refer to that a kind of device is used for fixing the door knob of the position of opening back door on door.

Background technology

Door is the important device in house, door is often in don't care state after opening, slight air flows and will change its opening angle, a kind of hardware article door knob is devised in order to prevent this unwillingly change people, it is generally all made up of the cry circular iron block parts touching iron and the magnetic patch assembly two parts being fixed on wall side of being fixed on the door leaf back side, touch iron and door leaf be fixed together magnetic patch assembly and ground, wall side or wall fixing together with, magnetic patch and auxiliary tool thereof are all and rigidly fix connection, door leaf after relying on the magnetic attraction of magnetic patch to adsorb to touch iron to fix unlatching, generally this suction-operated is very reliable, even if the door leaf directly outside room also can not be changed opening angle by wind easily, but, these articles for use also expose some problems in actual use: when opening door leaf near permanent position (touch iron fast and magnetic patch touching is attached together time) magnetic adsorptive power of magnetic patch will be powerful will touch iron suction to self causing larger collision sound, and the reliability of fixing absorption during by wrapping up or paste the soft damping thing of last layer and eliminating this sound, can be weakened largely, meanwhile, for close door leaf attempt to pull open be attached together touch iron and magnetic patch time be can produce no small sound because of the shake of door leaf too, while this operation attempting to pull open also be very hard.So one had both had during strong absorption affinity also can be avoided using and had produced larger sound and easy-operating door knob can be more popular to people.

Summary of the invention

Object of the present invention is the new technical scheme providing a kind of door knob, and it can eliminate above-mentioned deficiency.

Technical scheme of the present invention is achieved in that it comprises and touches iron, backplate, magnetic patch, touching lever, base plate, and described touching lever thereon end face is connected with a horizontal rocking bar by a bearing pin activity, backplate and magnetic patch device in rocking bar outer end near the one side of touching iron; Touching lever perisporium has a torsion spring around cover, and the lower end of torsion spring is fixed on upper end on base plate and is then fixed on rocking arm, its outer end towards the direction being same as door leaf and opening completely rear unlatching limit when the active force of torsion spring makes rocking bar leave standstill.

The invention has the beneficial effects as follows: magnetic patch can be weakened significantly with the initial magnetic adsorptive power touched when iron contacts soon and weaken collision sound, and fixing after magnetic adsorptive power do not weaken the reliability that can not reduce the absorption of fixing door leaf, also can make to be separated that to touch the operation that iron is combined with magnetic patch easily many when closing door leaf simultaneously.

accompanying drawing illustrates:

Fig. 1 is the overall elevation (when door leaf moves to larger opening angle gradually by little opening angle and not yet arrives maximum opening angle) of the design's door knob each component locations state when permanent position after door leaf is opened.

Fig. 2 is the overall elevation (door leaf completely open state reach maximum opening angle after, namely door knob be in the duty of absorption) of the design's door knob when being in work.

Fig. 3 is the top view of Fig. 1 state.

Fig. 4 is the top view of Fig. 2 state.

In each figure, 1 is door leaf, and 2 for touching iron, and 3 is backplate, and 4 is magnetic patch, and 5 is rocking bar, and 6 is bearing pin, and 7 is touching lever, and 8 is torsion spring, and 9 is base plate.

detailed description of the invention:

The design is illustrated below in conjunction with accompanying drawing.

In general, why door knob collides out sound mainly because it is causing in conjunction with angle of whole 0 ° that the magnetic patch initial magnetic attraction of adsorbing when touching iron comparatively greatly more importantly adsorbs two combinations of colliding bonding surface when colliding, because move closer to until to be the combinations at 0 ° of angle certainly more many greatly than the sound produced during the colliding in conjunction with it of not 0 deg angle two faces contacting, namely if this contact of two bonding surfaces is suitably increased then problem in conjunction with angle just can solve, as shown in the design's exemplary graph 1, Fig. 2, Fig. 3, Fig. 4, what the back side of door leaf 1 was fixed wtih circle touches iron 2, touching lever 7 is fixed on the ground of wall side by base plate 9, a horizontal rocking bar 5 is connected with in touching lever upper surface by bearing pin 6 activity, backplate 3 together with magnetic patch 4 device in rocking bar 5 outer end near touching the one side of iron 2, the effect of backplate mainly keeps off to be protected magnetic patch and avoids touching iron direct collision, touching lever 7 perisporium has a torsion spring 8 around cover, and the lower end of torsion spring is fixed on upper end on base plate 9 and is then fixed on rocking bar 5, when the active force of torsion spring 8 should make rocking bar leave standstill its outer end towards the direction being same as door leaf 1 and opening completely rear unlatching limit, as shown in Figure 4, use in operation, open door leaf 1 when reaching maximum opening angle soon and do not reach maximum opening angle, touch the left side that iron 2 moves closer to backplate 3, the magnetic attraction of now touching between iron 2 and magnetic patch 4 starts occur and play a role, rocking bar 5 is caused to trend towards touching the deflection in iron 2 direction, there is a deflection angle relative to its home position, due to the difference of the length dimension of rocking bar and the width dimensions of door leaf and the different of shaft core position separately must cause touching iron 2 and backplate 3 collide in conjunction with time bonding surface between the appearance of an angle, this angle is an angle at not 0 deg angle, as Fig. 1, shown in Fig. 3, Fig. 3 overlooks this angle that state diagram clearly demonstrates two bonding surfaces, the sound produced when being the combination collisions at this not 0 deg angle of original structure that 0 ° of angle combines relative to two faces contacted obtains reduction, in conjunction with after can get back to its original position i.e. its stable rest position under the active force effect of torsion spring 8, as Fig. 2, Fig. 4 shape (location status of the rocking bar that Fig. 2 Fig. 4 shows also is the home position of rocking bar), in this process, the impingement area touching iron do not have when initially touching the left side of backplate as usual the same adsorb at the beginning combination that collision two collides bonding surface just for whole 0 ° in conjunction with angle but with a not 0 deg in conjunction with angle to contact combination, the state that bonding surface is fitted completely is returned after initial combination, such structure objectively should produce the effect reducing collision sound, in addition, close in the operation of door leaf the contrary operation that detach procedure that discovery of being not difficult touches iron and magnetic patch (backplate) is exactly this opened door leaf process, equally can through a collision bonding surface by 0 ° of angle to the process that gradually change of not 0 deg in conjunction with angle, namely Fig. 1 Fig. 3 shape is changed to again to being separated completely by Fig. 2 Fig. 4 shape, the feature that disengages like this is not whole too and is separated with the angle of departure at 0 ° of angle, also can be same in operation comparatively speaking laborsaving easily many.

Claims

1. a door knob, it comprises touches iron, backplate, magnetic patch, touching lever, base plate, it is characterized in that described touching lever thereon end face be connected with a horizontal rocking bar by a bearing pin activity, backplate and magnetic patch device in rocking bar outer end near the one side of touching iron; Touching lever perisporium has a torsion spring around cover, and the lower end of torsion spring is fixed on upper end on base plate and is then fixed on rocking arm, its outer end towards the direction being same as door leaf and opening completely rear unlatching limit when the active force of torsion spring makes rocking bar leave standstill.