KR101440435B1 - door stopper - Google Patents

Abstract

The present invention relates to a sliding type sliding door comprising a fixed plate fixed to an inner lower end of a door and having a guide groove formed at a center of the door, a slider vertically movably mounted on a front surface of the fixed plate, The slider may include a spring for elastically supporting a vertical movement of the slider, a guide groove formed on a front surface of the fixed plate, a tip end of which is coupled to a rear surface of the slider, An operating link which is engaged with upper and lower stoppers provided on upper and lower sides of the guide groove to fix the slider which moves vertically and which is accommodated in a receiving space formed on the front surface of the slider; A bracket protruding from the front surface of the fixed plate, A protrusion protruding from an outer surface of a coupling hole of the stopper, a protruding protrusion provided at a tip of the slider and surrounding the outer surface of the coupling hole of the stopper, And an upper and a lower stopper provided on the upper and lower sides of the stopper and adapted to selectively contact the projection of the engagement hole in accordance with the vertical movement of the slider and rotate the stopper about the axis pin. Stopper is provided.

Description

Door stopper

The present invention relates to a door stopper, and more particularly, to a door stopper that rotates a stopper according to an operation of pushing a slider with a foot to make the stopper come into contact with and contact with the ground surface in a one-touch manner.

BACKGROUND ART [0002] Generally, various kinds of buildings such as houses and shopping malls are equipped with various kinds of doors. In order to automatically close a door opened at the time of entrance and exit without having to directly close the door, a separate door closure is coupled between the door and the wall, And an apparatus corresponding to the door closure is built in the door coupling unit itself.

The advantage of a door with a door closure is that the door that was opened even if a person who opened the door does not need to close the door by closing the door is closed by the elasticity or restoring force of the door closure.

However, there is a problem in that the door can not be maintained in a properly opened state, although the door closure and the like are always convenient to keep the door closed. To solve the problem of the door closing device, a door stopper .

A representative prior art related to the door stopper is an example of the Korean Patent Registration No. 10-0797017 (hereinafter referred to as prior art).

The above-described prior art is characterized in that the door stopper is configured such that the operating rod is rotatably coupled to the fixed plate and the rubber piece is coupled to the lower end of the operating rod. The door stopper is configured to have an outer peripheral guiding surface and an upper engaging jaw on the hinge stone of the holding plate, And the washer-engaged portion of the hinge-engaging portion is fixed to the hinge-engaging portion of the hinge-engaging portion of the hinge-engaging portion of the hinge-engaging portion, And the tongue washer is hooked and fixed to the upper stopping jaw of the hinge protrusion in the fully extended state.

However, in the door stopper proposed in the above prior art, the stopper function can be implemented by rotating the operation rod by contacting one end of the operation rod with the rubber rod of the operation rod contacting the ground when the operation rod is stepped on the foot, The operation of the stopper is troublesome because the stopper function can be canceled by tilting the working rod with the foot and lifting it upwards to release the contact of the rubber piece with the ground.

Prior art literature

Document 1: Korean Patent Registration No. 10-0797017

Document 2: Korean Patent Registration No. 10-1024303

Document 3: Registered Utility Model Registration No. 20-0433909 of the Korean Intellectual Property Office

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a door stopper capable of rotating the stopper in accordance with an operation of pressing the slider against the foot, have.

Another object of the present invention is to provide a door stopper which prevents the stopper from rotating unintentionally due to an external impact.

According to an aspect of the present invention, there is provided a door stopper including a fixed plate fixed to an inner lower end of a door and having a guide groove formed at a center of a front surface thereof, A spring which is disposed at one side of a front surface of the fixed plate and elastically supports the vertical movement of the slider, a tip end is coupled to a rear surface of the slider, and an end of the spring is inserted into a guide groove formed in a front surface of the fixed plate An operating link which is engaged with upper and lower stoppers provided above and below the guide groove in a process of moving along the guide groove in accordance with the vertical movement of the slider and fixes the slider moving vertically; And is accommodated in a receiving space formed on the front surface of the slider, A protrusion formed on an outer surface of the engaging hole of the stopper, and a protrusion formed on the outer surface of the engaging hole of the stopper to surround the outer surface of the engaging hole of the stopper And a stopper provided on the inner surface of the protrusion of the slider so as to selectively press against the projection of the engagement hole in accordance with the vertical movement of the slider and to rotate the stopper about the axis pin, The present invention is characterized in that it comprises a frame.

According to the present invention, the stopper is rotated in accordance with an operation of pushing the slider with a foot, so that the stopper can be brought into contact with and contacted with the ground surface in a one-touch manner.

Further, according to the present invention, the stopper is prevented from rotating unintentionally due to an external impact, thereby realizing an operational effect of solving the inconvenience of use.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a door stopper according to a preferred embodiment of the present invention; FIG.
Fig. 2 is a sectional view of Fig. 1; Fig.
Fig. 3 is a cross-sectional view of the door stopper in the engaged state shown in Fig. 2; Fig.
4 is a view showing a plane of the fixed plate;
5 is a view showing a state in which an end of an operating link moves along a guide groove in accordance with a vertical movement operation of the slider;
FIGS. 6 and 7 are views showing a state in which the stopper is rotated according to the operation of the slider and is in contact with and contact with the ground; FIG.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the following detailed description, exemplary embodiments of the present invention will be described in order to accomplish the above-mentioned technical problems. And other embodiments which may be presented by the present invention are replaced by descriptions in the constitution of the present invention.

The present invention realizes a stopper function for preventing the door from being closed by bringing the stopper, which is located in the installation space of the slider, into contact with the ground by rotating the shaft pin about the shaft by only pressing the slider downward , The stopper rotates in the opposite direction about the axial pin in accordance with the operation of pushing the slider once again, and the contact of the rubber pin which is in contact with the ground is canceled, thereby stopping the function of the stopper. And to implement the door hinge so that it can be canceled.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a cross-sectional view of a door stopper according to a preferred embodiment of the present invention. FIG. 2 is a cross-sectional view of the door stopper of FIG. 1. FIG. And shows a cross-section of the joined state.

1 to 3, the door stopper 100 of the present invention largely comprises a fixed plate 10, a slider 30, and a stopper 50.

The fixing plate 10 is a flat plate type and is fixed to the inner lower side of the door 200 with bolts 11 to support the slider 30 and the stopper 50 constituting the door stopper 100.

An insertion groove 116 is formed on both sides of the front surface of the fixing plate 10 and a spring 18 is inserted into one of the insertion grooves 16 of the insertion groove 16. The spring 18 elastically supports the slider 30 moving vertically and vertically while being assembled to the front surface of the fixed plate 10.

A guide groove 20 is formed at the front center of the fixed plate 10 and an end of the actuating link 26 is inserted into the guide groove 20.

The operating link 26 is fixedly coupled to the rear surface of the slider 30 while the front end 26a of the operating link 26 is bent forward so that the operating link 26 has an overall shape of "I ", and the end 26b thereof is bent backward. Is fitted into the guide groove (20) of the fixed plate (10).

The guide groove 20 guides the movement of the end 26a of the actuating link 26 according to the operation of the slider 30 as shown in Fig. And an upper end 26b of the actuating link 26 moving along the guide groove 20 are selectively engaged with the upper and lower stopping jaws 22 and 24, So that the slider 30, which is vertically moved, can be fixed.

The connection structure of the slider 30, the actuating link 26 and the guide groove 20 is preferably such that the actuating link 26 is moved in accordance with the descending motion of the slider 30, The end of the slider 30 is moved downward along the guide groove 20 of the fixing plate 10 and then caught by the lower stopper 24 formed at the lower end of the guide groove 20, Even if the tension force of the spring 18 acts, the state of the lowering operation is maintained without returning to the initial state.

When the slider 30 is further pressed, the end of the operating link 26 is separated from the lower stopping jaw 24, and then the guide groove 20 is lifted up by the tension force of the spring 18 The slider 30 is lifted and lowered so that the slider 30 is not lifted or lowered by the tension force of the spring 18 because it is caught by the upper latching jaw 22 formed at the upper end of the guide groove 20, .

A bracket 12 is protruded from the center of the bottom of the front surface of the fixing plate 10 and the bracket 12 is inserted into the insertion space 54 between the engaging holes 52 formed at the tip of the stopper 50 (52) and the shaft pin (56).

A guide slot 14 is formed in the lower end of the front surface of the fixing plate 10 and a fastening pin 13 is fastened to the fastening plate 10 to fix the slider 30 to the guide slot 14. The slider 30 is moved upward and downward along the guide slot 14 in accordance with the movement of the slider 30 in a fitted state to guide the movement of the slider 30. [

The slider 30 is fixed to the front surface of the fixed plate 10 so as to be movable upward and downward. The slider 30 is provided with a pressing bar 34 at its upper end and a receiving space 32 And on both sides of the upper end thereof, there is further provided a protruding frame 36 which is covered by the outer surface of the engaging hole 52 provided in the stopper 50 and is surrounded.

The engagement of the slider 30 with the fixing plate 10 penetrates the fastening pin 13 to the slider 30 and the fastening pin 13 is fastened to the guide slot 14 of the fastening plate 10 And the slider 30 is assembled to the fixed plate 10 so as to be movable upward and downward.

The tip end 26a of the actuating link 26 is engaged with the guide groove 26 in accordance with the operation of pushing the slider 30 vertically by engaging the tip 26a of the actuating link 26 with the slider 30, 20).

Upper and lower retaining pieces 38 and 40 protrude from the inner surface of one of the protruding frames 36 provided on the slider 30. A stopper 50 is provided between the upper and lower retaining pieces 38 and 40, The upper and lower retaining pieces 38 and 40 are selectively inserted into the protrusion 58 in accordance with the pressing operation of the slider 30 in a state in which the protrusion 58 protruding from the outer surface of the coupling hole 52 The stopper 50 is driven to rotate in the forward and reverse directions around the shaft pin 56 by the vertical movement of the slider 30. [

A pushing piece 42 protrudes from the rear of the slider 30. The pushing piece 42 is inserted into the insertion space 16 formed on both sides of the front surface of the fixed plate 10, The spring 18 inserted in the insertion space 16 is urged so as to have an elastic force.

The stopper 50 is accommodated in a receiving space 32 formed on the front surface of the slider 30 and has a coupling hole 52 at a center thereof with a space 54 therebetween, The pivot pin 56 is engaged with the bracket 12 of the fixed plate 10 in the space 54 of the slider 52 to move the pivot pin 56 in the center As shown in FIG. A rubber piece 60 is provided at an end of the stopper 50. The rubber piece 60 comes into contact with the ground according to the rotation motion of the stopper 50 and generates frictional force to artificially close the door 200 .

The assembly of the stopper 50 and the stationary plate 10 accommodated in the accommodating space 32 of the slider 30 is achieved by protruding the bracket 12 at the center of the lower end of the front surface of the stationary plate 10 And the bracket 12 is engaged with the coupling hole 52 and the shaft pin 56 in a state of being fitted in the space 54 between the coupling holes 52 formed at the lower end of the stopper 50. [

A protrusion 58 is formed on the outer surface of the coupling hole 52 of the stopper 50 to which the shaft pin 56 is coupled and the protrusion 58 protrudes from the inner surface of the protrusion 36 of the slider 30 The upper and lower stoppers 38 and 40 are selectively engaged with the vertical movement of the slider 30 to rotate the stopper 50 around the shaft pin 56. [

A safety protrusion 59 is further protruded from an outer surface of the opposite coupling 52 of the stopper 50. The safety protrusion 59 is fastened to the protrusion 36 of the slider 30, The stopper 50 is received in the receiving space 32 of the slider 30 so that the bolt 39 is caught and then the stopper 50 is rotated by the external impact in a state in which the vertical movement of the slider 30 is not generated, Thereby preventing unintentional rotational movement.

Hereinafter, the operation of the door stopper according to the present invention will be described with reference to FIGS. 1 to 7 attached hereto.

The door stopper 100 according to the present invention is assembled by fixing a bolt 11 to a lower inner bottom of a door 200 and fixing a slider 30 to the front surface of the fixing plate 10, The fastening pin 13 is passed through the slider 30 and then the fastening pin 13 is fastened to the guide slot 14 of the fastening plate 10 so that the slider 30 And is mounted on the front surface of the fixed plate 10 so as to be movable up and down. At this time, the actuating link 26 is positioned between the fixed plate 10 and the slider 30, and the end 26b of the actuating link 26 is formed at the front center of the fixed plate 10 The distal end 26a of the actuating link 26 is engaged with the rear surface of the slider 30 and the distal end 26b of the actuating link 26 is moved in accordance with the upward / downward movement of the slider 30. [ So that it moves along the guide groove (20) of the fixing plate (10).

The stopper 50 is received in the receiving space 32 of the slider 30 and then the bracket 12 formed at the lower end of the front surface of the fixing plate 10 is inserted into the engagement hole of the stopper 50 The stopper 50 is inserted into the space 54 between the bracket 12 and the coupling hole 52 so that the stopper 50 is rotatably assembled to the fixing plate 10, do.

When the door stopper 100 is operated to maintain the open state of the door 200 while the door stopper 100 of the present invention is assembled inside the door 200 as described above, The slider 30 descends downward when the presser foot 34 provided at the tip end is pressed. At this time, the operating link 26 having the leading end 26a coupled to the slider 30 moves along the guide groove 20 of the fixed plate 10 in accordance with the downward movement of the slider 30 The pushing piece 42 of the slider 30 is engaged with the lower engaging jaw 24 formed under the guide groove 20 by the engaging action of the actuating link 26, Even if the spring 18 of the fixed plate 10 is pressed to apply the tension force of the spring 18, the slider 30 can be maintained in the lowered state without returning to the initial state.

When the slider 30 is lowered, the upper stopper protrusion 38 protrudes from the inner surface of the protrusion 36 of the slider 30 to protrude from the outer surface of the stopper 50 of the stopper 50 The stopper 50 is rotated about the shaft pin 56 by the pressure corresponding to the pressing operation of the slider 30 and the rubber piece 60 coupled to the end is pressed to the ground surface The stopper 50 is brought into contact with the ground according to the rotation of the stopper 50 to generate a frictional force to prevent the door 200 from being manually closed.

When the door 200 is closed by pushing down the pushing piece 34 of the slider 30 again as shown in Fig. 3, the operating link 20, which is caught by the lower locking jaw 24 of the guide groove 20, The end 26b of the slider 30 is released from the lower stopping jaw 24 according to the lowering operation of the slider 30. At the same time, the tension force of the spring 18 acts to move the slider 30 up and down And is caught by the upper stopping jaw 22 while moving along the guide groove 20 in the process.

When the slider 30 moves up and down by the tension of the spring 18, the lower latching protrusion 40 protrudes from the inner surface of the protrusion 36 of the slider 30, The stopper 50 lifts the protrusion 58 in a state of being in contact with the protrusion 58 protruding from the outer surface of the stopper 52. Accordingly, the stopper 50 rotates about the axle pin 56, And the function of the stopper 50 for holding the door 200 closed is lifted by lifting up the flap 60.

10: Fixing plate 12: Bracket
18: spring 20: guide groove
22: upper jaw 24: lower jaw
26: Actuation link 26a:
26b: end 30: slider
32: receiving space 34:
36: projecting frame 38: upper frame
40: lower latching frame 42:
50: stopper 52:
56: Axial pin 58: projection
60: Rubber piece 100: Door stopper

Claims (2)

In the door stopper,
A fixing plate 10 fixedly installed at an inner lower end of the door 200;
A slider 30 mounted vertically movably up and down on the front surface of the fixing plate 10;
The slider 30 is accommodated in a receiving space 32 formed on the front surface of the slider 30 and is coupled to the front surface of the fixed plate 10 by a shaft pin 56, And a stopper (50) which rotates about the shaft pin (56) in contact with the ground according to the rotation of the shaft pin (56).
A spring (18) disposed at one side of the front surface of the fixed plate (10) and elastically supporting the vertical movement of the slider (30);
The tip end 26a of the slider 30 is coupled to the rear surface of the slider 30 and the end 26b of the slider 30 is inserted into the guide groove 20 of the fixed plate 10, The slider 30 is selectively engaged with the upper and lower stoppers 22 and 24 provided above and below the guide groove 20 in the course of moving along the guide groove 20, An actuation link (26);
A protrusion 58 protruding from an outer surface of the engaging hole 52 of the stopper 50;
A protrusion 36 provided at the tip of the slider 30 and surrounding the outer surface of the engagement hole 52 of the stopper 50;
The slider 30 is provided on the inner surface of the protrusion 36 of the slider 30. The slider 30 selectively presses and contacts the protrusion 58 of the fitting 52 according to the vertical movement of the slider 30, And upper and lower stoppers (38, 40) for rotating the stopper (50) about the center of the door stopper (40). delete

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