KR101784985B1 - Speed control damper with relay type - Google Patents

Speed control damper with relay type Download PDF

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Publication number
KR101784985B1
KR101784985B1 KR1020150161475A KR20150161475A KR101784985B1 KR 101784985 B1 KR101784985 B1 KR 101784985B1 KR 1020150161475 A KR1020150161475 A KR 1020150161475A KR 20150161475 A KR20150161475 A KR 20150161475A KR 101784985 B1 KR101784985 B1 KR 101784985B1
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KR
South Korea
Prior art keywords
damper
guide
door
engaging
spring
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KR1020150161475A
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Korean (ko)
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KR20170039546A (en
Inventor
김용갑
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김용갑
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B5/00—Handles completely let into the surface of the wing
    • E05B5/003—Pop-out handles, e.g. sliding outwardly before rotation
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/18—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with counteracting springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/21—Brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/252—Type of friction

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  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

The present invention has a relay control function of opening and closing various kinds of opening and closing doors including a slide door, and when two or more dampers are connected in series to the upper end of the door by a relay, The present invention relates to a relay type speed damper for automatically opening and closing a door by an elastic force and automatically opening and closing a door again automatically by the elastic force of the remaining dampers to increase an automatic transfer distance for automatically opening and closing a door by an elastic force. , An external latching portion is formed so as to be caught between the two latching jaws; The engaging jaw is reciprocated in a slide manner along the guide groove and horizontally moves in one direction so as to move vertically downward in the engaging groove of the guide groove and to be inserted and seated, So that the engaging portion moves away from the damper portion and passes through the speed adjusting damper without being caught by the speed adjusting damper when the engaging groove is inserted and seated in the downward direction. And to provide a damper for a relay type speed control.
This is because a plurality of doors are mounted on a plurality of slide doors connected to each other to buffer the opening speed of the door when the door is opened so as to increase the stability and usability of the user and to buffer the closing speed even when the door is closed, Shocks to the frame are buffered and closed automatically by the spring to prevent shock and noise, and to prolong the life of the door.
Further, on the same door movement track, a plurality of doors can freely reciprocate through a speed-adjusting damper in a relay manner in one direction or the other.

Description

[0001] The present invention relates to a relay type speed control damper,

The present invention relates to a door opening / closing device, which can be used to open or close doors of various types including a slide door by closing the door at the upper end of the door when the door is opened or closed, To the damper.

Further, when two or more dampers are mounted in series on the upper end of the door in a relay manner, the door is automatically opened and closed by an elastic force by one damper, and the door is automatically opened and closed again by the elastic force of the remaining dampers, To automatically open and close automatically.

Generally, doors are installed in buildings and unless they require a special shape, it is usually made of left and right vertical members and upper and lower horizontal members, and is made of wood, synthetic resin material, metal material, The assembled door frame is installed at the same time.

In recent years, there have been many cases such as multi-generations, officetels, apartments, etc., so that the demand for doors has been rapidly increased, and the mass production system has been established in accordance with the rapidly increasing demand. As a result, the left and right vertical members, All of them were assembled and supplied in a rectangular shape.

In general, a sliding door in the form of a Chinese door or a sliding door is installed after the entrance door of the apartment house, and the door is slid to the left and right by the sliding door

And a sliding door that is opened and closed is provided.

The sliding doors thus used are opened and closed by guide rollers provided on both ends of the guide rails while the sliding doors are moved on guide rails provided on the upper part of the door frame.

Recently, many structures including slide doors and various types of door openings have been designed and constructed. However, when the doors are opened and closed, the speed is adjusted or the door is automatically opened by the elastic force of the spring. A damper for controlling the speed of opening and closing the damper is developed only in one direction and a speed adjusting damper for two or more relays is not developed at the upper end of one door.

Korean Patent Publication No. 10-1430754 Korean Patent Publication No. 10-1319534 Korean Patent Publication No. 10-0803818

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to provide a sliding door which is capable of buffering a door speed when multiple slide doors are opened and closed to thereby extend the shock absorption and noise, And the door is automatically opened and closed by an elastic spring.

In addition, the two guide tabs of the guide reciprocating along the guide groove having the two engagement grooves in one direction and the other direction are respectively inserted and fixed in the corresponding engagement grooves, The damper can be freely reciprocated in a relay manner so that the reciprocating movement distance of the opening / closing door that is automatically moved by the springs can be increased Or a plurality of doors are allowed to pass through the same door track, thereby constructing a multi-opening door system.

Further, when two or more dampers are mounted in series on the upper end of the door in a relay manner, the door is automatically opened and closed by an elastic force by one damper, and the door is automatically opened and closed again by the elastic force of the remaining dampers, To automatically open and close automatically.

Other objects and advantages of the present invention will be described hereinafter and will be understood by the embodiments of the present invention. Further, the objects and advantages of the present invention can be realized by the means and the combination shown in the claims.

In order to solve the above problems, the present invention provides a damper for speed control, wherein an external latching portion is formed so as to be caught between two latching jaws; The engaging jaw is slidably reciprocated along the guide groove and is always formed to move vertically downward by the latching spring mounted on the spring seat portion and is horizontally moved in one direction to move vertically downward in the engaging groove of the guide groove When the damper is detached from the guide to allow the damper to move without being caught by the speed adjusting damper and horizontally moved in the other direction to move vertically downwardly in the guide groove, So as to pass without being caught by the speed-adjusting damper; And to provide a damper for a relay type speed control.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but many variations and modifications may be possible without departing from the spirit and scope of the present invention as defined by the appended claims. It is intended to buffer the speed of the door so as to buffer the impact of the door against the door frame and to automatically close the door automatically by the spring so as to prevent shock and noise and to prolong the life of the door.

 Further, when two or more dampers are mounted in series on the upper end of the door in a relay manner, the door is automatically opened and closed by an elastic force by one damper, and the door is automatically opened and closed again by the elastic force of the remaining dampers, And automatically opens and closes the door to increase the automatic feed distance.

Further, on the same door movement track, a plurality of doors are freely reciprocated through a speed-adjusting damper in a relay manner.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing the intermediate reciprocating position of a guide of a relay type speed-
FIG. 2 is a schematic view showing a position in which the guide of the relay type speed damper of the present invention is inserted and fixed in one of the engagement grooves. FIG.
3 is a schematic view showing a position where the guide of the relay type speed damper according to the present invention is inserted into the other engagement groove of the guide.
FIG. 4 is a schematic view showing a front cross section of two latching jaws and latching springs of a relay type speed damper of the present invention. FIG.
5 is a schematic view showing a plane cross section of two latching jaws and latching springs of a relay type speed damper of the present invention.
6 is a schematic view showing a three-dimensional view of a guide of a relay type speed-adjusting damper of the present invention.
7 is a schematic view showing a guide in which a latching spring is removed as another embodiment of the present invention.

Before describing in detail several embodiments of the invention, it will be appreciated that the application is not limited to the details of construction and arrangement of components set forth in the following detailed description or illustrated in the drawings. The invention may be embodied and carried out in other embodiments and carried out in various ways. It should also be noted that the device or element orientation (e.g., "front," "back," "up," "down," "top," "bottom, Expressions and predicates used herein for terms such as "left," " right, "" lateral, " and the like are used merely to simplify the description of the present invention, Or that the element has to have a particular orientation. Also, terms such as " first "and" second "are used herein for the purpose of the description and the appended claims, and are not intended to indicate or imply their relative importance or purpose.

The present invention has the following features in order to achieve the above object.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

According to an embodiment of the relay type speed damper according to the present invention,

In the damper for speed control,

An outer engaging portion 27 is formed so as to be caught between the two engaging shoulders 21;

The engaging jaw (21)

    Reciprocates along the guide groove 30,

    Is always formed to be vertically downwardly moved by the latching spring (24) mounted on the spring seat (23)

    The guide groove 30 is moved horizontally in one direction so as to move vertically downward in the guide groove 30 of the guide groove 30 and to be inserted and seated, so that the engagement portion 27 moves away from the guide 20 to the speed adjustment damper 100 To pass through,

            The engaging portion 27 is moved away from the damper portion 10 when the engaging portion 27 is horizontally moved in the other direction and moved downward in the vertical direction to the engaging groove 31 of the guide groove 30,

So as not to pass through the speed-adjusting damper 100; The present invention relates to a relay type speed damper.

In another embodiment of the present invention,

In the damper for speed control,

An outer engaging portion 27 is formed so as to be caught between the two engaging shoulders 21;

The engaging jaw (21)

    Reciprocates along the guide groove 30,

    The guide groove 30 is moved horizontally in one direction so as to move vertically downward in the guide groove 30 of the guide groove 30 and to be inserted and seated, so that the engagement portion 27 moves away from the guide 20 to the speed adjustment damper 100 To pass through,

    The engaging portion 27 is prevented from being caught by the damper portion 10 and the speed adjusting damper 100 is moved downward in the direction of the other side so as to move vertically downward in the engaging groove 31 of the guide groove 30, ); .

The damper unit 10 includes a guide 20 reciprocating from one upper surface of the main body 50 and a piston rod 11 attached to the upper side of the guide 20 in the horizontal direction inside the main body 50 , And an elastic spring (40) mounted horizontally on a lower side surface of the guide (20);

In the speed control damper 50,

The guide (20)

Two hooking jaws 21 spaced apart from each other by a predetermined distance to be inserted into the outer hooking portion 27 are always moved vertically downward by the hooking spring 24 mounted on the spring seating portion 23;

A latching guide 22 protrudes from a lower outer surface of the latching protrusion 21 so as to slide in the guide groove 30 of the main body 50 so as to reciprocate the guide 20;

The guide grooves 30 are formed at both ends of the guide grooves 31 in the downward direction so that the two engaging protrusions 21 are inserted into the corresponding engaging grooves 31 to be vertically downwardly moved, The portion 27 is separated from the guide 20 or the damper portion 10 and passes through the speed adjusting damper 100 without being caught.

As another embodiment of the present invention,

A damper unit 10 connected to the piston rod 11 horizontally mounted on the upper surface of the upper portion of the guide 20 in the main body 50, , An elastic spring (40) mounted horizontally on a lower side surface of the guide (20);

In the speed control damper 50,

The guide (20)

Two engagement protrusions 21 spaced apart from each other by a predetermined distance are formed so that the outer engaging portions 27 are inserted and mounted,

A latching guide 22 protrudes from a lower outer surface of the latching protrusion 21 so as to slide in the guide groove 30 of the main body 50 so as to reciprocate the guide 20;

The guide grooves 30 are formed at both ends of the guide grooves 31 in the downward direction so that the two engaging protrusions 21 are inserted into the corresponding engaging grooves 31 to be vertically downwardly moved, The portion 27 is prevented from being caught by the guide 20 or the damper portion 10 so as to pass through the speed adjusting damper 100 without being caught.

When the guide 20 horizontally moves in one direction and is inserted into the latching groove 31 corresponding to the latching jaw 21, the length of the piston rod 11 connected to the damper portion 10 is maximized At the same time, the elastic force of the spring 40 is also maximized,

The length of the piston rod 11 connected to the damper portion 10 is minimized when the guide 20 horizontally moves in the other direction and is inserted into the engagement groove 31 corresponding to the engagement protrusion 21 And at the same time, the elastic force of the spring 40 is eliminated.

 In addition, two or more speed-adjusting dampers 100 are mounted in series on the upper end of the door, and the door is automatically opened and closed by an elastic force by one damper 100. By the elastic force of the remaining dampers 100, Automatically opening and closing the door again so as to increase the automatic transfer distance for opening and closing the door automatically by the elastic force; .

Hereinafter, a relay type speed-adjusting damper 100 according to a preferred embodiment of the present invention will be described in detail with reference to FIGS. 1 to 6. FIG.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing a position of a reciprocating movement of a guide of a relay type speed-adjusting damper of the present invention,

The upper surface of one side of the main body 50 is formed so that the guide 20 is slidably reciprocated along the guide groove 30 and the piston 20, which is horizontally attached to one side surface of the upper portion of the guide 20, A damper unit 10 connected to the rod 11 and a speed adjusting damper 50 having a built-in elastic spring 40 attached to the lower side of the guide 20 in the horizontal direction.

The guide 20 is formed with two engagement protrusions 21 spaced apart from each other by a predetermined distance so as to insert and receive an external engagement portion 27. The engagement portion 27 has two engagement protrusions 21 The guide 20 is moved to one side or the other side of the upper surface of the main body 50 by the stopping jaws 21 when the speed adjusting damper 100 is reciprocated to one side or the other side.

As shown in FIGS. 4 and 5, an important structural feature is that the spring seat 23 is protruded from the main body 50 between the two latching jaws 21 so that the latch spring 24, Is fixedly mounted on the upper side of the latching jaw (21).

And is fixedly attached to the latching jaw 21 in the upward direction a certain distance from the center of the seat portion 23 so that the latching jaw 21 always tries to move vertically downward by the latching spring 24 .

Since the engaging protrusions 22 are protruded from the lower outer side surfaces of the two engaging protrusions 21 so as to slide in the guide grooves 30 of the main body 50, A latent rotational force to move in the vertical downward direction is generated by the rotational elastic force of the latching spring 24. [

FIG. 2 is a schematic view showing a position where the guide of the relay type speed damper of the present invention is inserted and fixed in one of the engagement grooves,

At both ends of the guide groove 30, a locking groove 31 is formed in a downward direction. In the step of reciprocating the guide 20 along the guide groove 30 of the main body 50, And when the latching jaws 21 reach the corresponding latching grooves 31, they are inserted into the latching grooves 31 and moved vertically downward.

When the engaging protrusion 21 is inserted into the engaging groove 31 corresponding thereto and then inserted into the lower portion of the upper surface of the guide 20 so that the engaging portion 27 is engaged with the engaging protrusion 21 of the guide 20, So that the external engaging portion 27 is naturally passed through the speed adjusting damper 100 without being caught.

When the speed adjusting damper 100 is moved while the outer engaging portion 27 is caught between the engaging protrusions 21, the guide 20 is moved, and the damper portion 10 attached to the guide 20 moves, The length of the piston rod 11 connected to the piston rod 11 gradually increases. When the piston rod 11 is inserted into the engaging groove 31, the piston rod 11 is maximally extended. At the same time, the spring 40 is also maximally resilient.

FIG. 3 is a schematic view showing a position where the guide of the relay type speed damper of the present invention is inserted into the other engagement groove,

When the guide 20 horizontally moves in the other direction by the latching portion 27, that is, when the speed adjusting damper 100 horizontally moves in the other direction, the spring 40 which is maximally extended in Fig. 2 is gradually released When the elastic force is gradually reduced, the opening / closing door, to which the speed adjusting damper 100 is attached by the elastic force, is automatically closed gradually.

3, when the guide 20 slides in the other direction along the guide groove 30 of the main body 50, the two engaging protrusions 21 are engaged with the corresponding engaging grooves 31 , It is inserted into the latching groove 31 and is moved vertically downward.

When the engaging protrusion 21 is inserted into the engaging groove 31 corresponding thereto and then inserted into the lower portion of the upper surface of the guide 20 so that the engaging portion 27 is engaged with the engaging protrusion 21 of the guide 20, So that the external engaging portion 27 is naturally passed through the speed adjusting damper 100 without being caught.

When the speed adjusting damper 100 is moved while the outer engaging portion 27 is caught between the engaging protrusions 21, the guide 20 is moved, and the damper portion 10 attached to the guide 20 moves, The length of the piston rod 11 connected to the piston rod 11 is gradually reduced, and when the piston rod 11 is inserted into the engaging groove 31, the piston rod 11 is minimally formed and at the same time, the elastic force of the spring 40 is eliminated.

When the engaging protrusion 21 is inserted into the engaging groove 31 corresponding thereto and then inserted into the lower portion of the upper surface of the guide 20 so that the engaging portion 27 is engaged with the engaging protrusion 21 of the guide 20, So that the external latching part 27 passes through the upper part of the damper part 10 and passes through the speed adjusting damper 100 without being caught.

6 is a schematic view showing a three-dimensional view of a guide of a relay type speed-adjusting damper according to the present invention. When an outer engaging portion 27 is hung between two engaging shoulders 21 and is reciprocated horizontally in one direction or the other The speed adjusting damper 100 reciprocates so that the latching jaw 21 slides and reciprocates along the guide groove 30.

    At this time, in the guide 20 of the main body 50 of the speed adjusting damper 100, by the engagement spring 24 mounted on the spring seating portion 23 protruding in the middle of the two engagement projections 21, The stopping jaw 21 is always formed to move vertically downward.

When the latching jaw 21 horizontally moves in one direction and reaches the latching groove 31 formed in the downward direction of the guide groove 30, the latching jaw 21 moves in the vertical downward direction and is inserted and seated. At this time, The jaw 21 is lower than the upper surface of the guide 20 and naturally the outer engaging portion 27 is detached from the engaging jaw 21 and the guide 20 is released. As a result, the engaging portion 27 is allowed to pass through the speed adjusting damper 100 without being caught.

           In addition, when horizontally moved in the other direction, that is, in the direction of the damper portion, the engaging jaw 21 moves downward in the vertical direction to the engaging groove 31 of the guide groove 30 and is inserted and seated, The spring 40 is gradually released, and the opening / closing door is automatically closed gradually by the elastic force of the spring.

When the engaging jaw 21 is inserted into the engaging groove 31, the engaging jaw 21 is inserted into the upper portion of the guide 20 so that the external engaging portion 27 is not caught by the engaging jaw 21, So that it is possible to pass through the speed adjusting damper 100 without being caught by it; .

7 is a schematic view showing a guide in which a latching spring is removed as another embodiment of the present invention.

FIGS. 4 and 5 show a configuration in which a latching spring is mounted on the latching jaw so that the latching jaw can be easily vertically downward. FIG. 7 shows a state in which the latching spring is removed, Is inserted and mounted in the latching groove (31)

The guide grooves 21 of the guide 20 move along the guide grooves 30. When the guide grooves 31 formed at the left and right ends reach the guide grooves 31, It is inserted and mounted naturally.

An embodiment in which the speed control damper 100 of the present invention is applied to a door will be described as follows.

 Two or more speed control dampers 100 are mounted in series on the upper end of the door and the elastic spring 40 of the first damper 100 is fully extended, The door is automatically moved in the closing direction by the elastic force of the spring 40 that is maximally extended so that the latching portion 27 passes through the upper portion of the first damper 100 And when the latching portion 27 reaches the latching jaw 21 of the second damper 100, the latching portion 27 is automatically moved in the closing direction by the elastic force of the spring 40 which is maximally extended, The moving distance by which the door automatically closes due to the elasticity of the spring 40 is increased by the number of dampers mounted on the upper end of the door.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is to be understood that various changes and modifications may be made without departing from the scope of the appended claims.

10: damper part 11: piston rod
20: Guide
21: latching jaw 22: latching seat part
23: spring seat portion 24: latch spring
27:
30: guide groove 31: latching groove
40: spring
50:
100: Speed control damper

Claims (6)

In the damper for speed control,
An outer engaging portion 27 is formed so as to be caught between the two engaging shoulders 21;
The engaging jaw (21)
Reciprocates along the guide groove 30,
Is always formed to be vertically downwardly moved by the latching spring (24) mounted on the spring seat (23)
The guide groove 30 is horizontally moved in one direction so as to move vertically downward in the guide groove 30 of the guide groove 30 so as to be inserted and seated and the engagement portion 27 is released from the guide 20, To pass through,
The engaging portion 27 is prevented from being caught by the damper portion 10 and the speed adjusting damper 100 is moved downward in the direction of the other side so as to move vertically downward in the engaging groove 31 of the guide groove 30, ); Wherein the damper is a damper.
A damper unit 10 connected to the piston rod 11 horizontally mounted on the upper surface of the upper portion of the guide 20 in the main body 50, , An elastic spring (40) mounted horizontally on a lower side surface of the guide (20);
In the speed control damper 50,
The guide (20)
Two hooking jaws 21 spaced apart from each other by a predetermined distance to be inserted into the outer hooking portion 27 are always moved vertically downward by the hooking spring 24 mounted on the spring seating portion 23;
A latching guide 22 protrudes from a lower outer surface of the latching protrusion 21 so as to slide in the guide groove 30 of the main body 50 so as to reciprocate the guide 20;
The guide grooves 30 are formed at both ends of the guide grooves 31 in the downward direction so that the two engaging protrusions 21 are inserted into the corresponding engaging grooves 31 to be vertically downwardly moved, Wherein the damper part (27) is not caught by the guide (20) or the damper part (10) so that the damper part (27) can pass without being caught by the speed adjusting damper (100).
3. The method according to claim 1 or 2,
When the guide 20 horizontally moves in one direction and is inserted into the engaging groove 31 corresponding to the engaging step 21, the length of the piston rod 11 connected to the damper part 10 is maximized At the same time, the elastic force of the spring 40 is also maximized,
The length of the piston rod 11 connected to the damper portion 10 is minimized when the guide 20 horizontally moves in the other direction and is inserted into the engagement groove 31 corresponding to the engagement protrusion 21 And at the same time, the resilient force of the spring (40) is eliminated.
The method of claim 3,
Two or more speed control dampers 100 are mounted in series on the upper end of the door so that the door is automatically opened and closed by an elastic force by one damper 100 and the door is automatically opened again by the elastic force of the remaining dampers 100. [ So as to increase the automatic transfer distance for opening and closing the door automatically by the elastic force; Wherein the damper is a damper. delete delete
KR1020150161475A 2015-10-01 2015-11-18 Speed control damper with relay type KR101784985B1 (en)

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Publication number Priority date Publication date Assignee Title
JP2018204404A (en) * 2017-06-09 2018-12-27 中央発條株式会社 Door device
KR102183044B1 (en) * 2018-08-31 2020-11-25 (주)엘지하우시스 Window closing speed reduction device
CN116397974B (en) * 2023-04-28 2024-05-17 重庆长安汽车股份有限公司 Control system of hidden door handle and car

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JP2007120619A (en) * 2005-10-27 2007-05-17 Fuji Latex Kk Shock absorber
JP2010126920A (en) 2008-11-25 2010-06-10 Panasonic Electric Works Co Ltd Device for pulling in door
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KR101148120B1 (en) * 2009-09-25 2012-05-23 (주)삼우 Opening-closing structure for door

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