KR101399630B1 - Door lock device - Google Patents

Abstract

The present invention relates to a door lock device comprising a housing fixed in one side of a door and having a first through-hole formed in one side of the center and a second through-hole formed in one side of the wall; a first body part inserted to reciprocate through the first through-hole of the housing, and having U-shaped grooves formed on the position of both side walls one-sided from a longitudinal center; a second body part symmetric with the first body part and inserted in the first body part to make U-shaped grooves correspond to the U-shaped grooves of the first body part; a door lock unit inserted inside the housing to operate a latch for fixing the door while reciprocating a second through-hole on the U-shaped grooves according to the reciprocating motion of the first or second body part; and handles arranged in one side of the first and second body parts where the first and second body parts are not met. First of all, the present invention can open the door by the convenient motion of pulling and pushing the door even through the handles of the door are not rotated in a specific direction. Secondly, the present invention can make users who are in an emergency due to a fire or hold objects in both hands, children, patients, or the disabled easily open the door not using their hands but using part of their body. Thirdly, the present invention can reduce manufacturing costs and hours because the device has a simple structure to facilitate the manufacture.

Description

A door lock device

The present invention relates to a door lock device, and more particularly, to a door lock device capable of easily opening and closing a door by simply pushing or pulling a door without turning the door handle, and even when the door is pushed or pulled, To a door lock device operating independently of each other.

Generally, the door lock device is installed on both sides of the door so that the user can grasp the door lock on the indoor side or the outdoor side and rotate the door in one direction, and operates the door lock unit according to the rotation of the handle to release the door lock .

A door lock button for preventing the outdoor side handle from rotating is provided at the center of the end portion of the indoor side handle to prevent intrusion into the indoor side from the outdoor side. In order to release the door lock button, the lock state can be released by rotating the indoor side handle to one side or by inserting the key into the key cylinder provided on the outdoor side handle portion.

However, since the conventional door lock device can open and close the door by rotating operation in one direction in most cases, there is a problem that it is difficult for a user, a child, a patient, or a disabled person holding objects in both hands to use it.

KR0378754 20

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a door opening / closing device, which can easily open and close a door by simply pushing or pulling a door without turning the door handle, And it is an object of the present invention to provide a door lock apparatus in which both handles operate independently of each other.

According to an aspect of the present invention, there is provided a door for a vehicle, comprising: a housing which is fixed to one side of a door and has a first through hole formed at one side of a center thereof, a housing having a second through hole formed at one side thereof, A first body portion having a U-shaped groove formed on one side of a side wall of the first body portion, the U-shaped groove being symmetrical with the first body portion, A second body portion inserted into the first body portion so as to correspond to the first body portion or the second body portion; a second body portion inserted into the first body portion to correspond to the first body portion or the second body portion, And a door lock device including a first body portion and a handle provided at one end of the first body portion and the second body portion separated from each other.

At this time, the door lock bundle is provided at one side of the upper left and right side walls of the main body, the main body having a vertical U-shaped cross-section so that the first body portion and the second body portion can pass therethrough and the first body portion and the second body portion May include a hinge that engages the " U "

In addition, a third guide groove may be formed on both side walls of the housing along the moving direction of the door lock bundle so that the hinge can be pushed out of the housing so as to prevent the door lock bundle from moving when the door bundle moves.

A third spring for connecting a hinge and a fastening protrusion penetrating to the outside of the housing to support the elastic force in a direction in which the door lock bundle is connected to the latch, is provided with a fastening protrusion protruding from one side of the third guide groove, May be further included.

Further, at both ends of the U-shaped groove, fixing protrusions protruding to the inside of the U-shaped groove may be further formed to prevent the hinge from coming off.

Further, both sides of the housing may further include a first spring and a second spring for providing an elastic force for restoring the first body portion and the second body portion to their original positions.

At this time, the second body part has a first spring, which is closed at one side in the longitudinal direction overlapping with the first body part, and a first spring is provided between the closing face and the housing. At both side walls of the terminal part formed with the closed face, A second guide groove is formed along the longitudinal direction on the bottom surface of the other longitudinal end portion in the longitudinal direction and a first partition wall protruding inward is formed on one side of both side walls of the longitudinal end portion where the second guide groove is formed And a second spring may be provided between the partition and the housing.

In addition, the first body portion may include a second partition wall which is inserted into the first guide groove and protrudes inwardly from both side walls so as to press the first spring, and is inserted into the second guide groove, A third partition wall protruding inward from the bottom surface may be formed.

In addition, a locking portion may be further provided to restrict the movement of the first body portion and the second body portion by penetrating from one side of the center of the one side handle to one side of the center of the other side handle, A further locking through-hole may be formed.

The locking portion may include a rod-shaped support bar extending from the one side handle to the other side handle through the closing surface and the third partition, and a lock portion provided on one side of the end portion of the support bar and protruding from the one side of the handle. have.

The present invention has the following effects.

First, there is an effect that the door can be opened by a simple operation of pushing or pulling, without rotating the handle of the door in one direction.

Second, a user, a child, a patient, or a disabled person holding an object in a fire or in an emergency can easily open the door using only a part of the body without directly using the hand.

Third, since the structure is simple and easy to manufacture, manufacturing cost and manufacturing time can be reduced.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description, serve to further the understanding of the technical idea of the invention, And shall not be interpreted.
1 is a perspective view of a door lock apparatus according to the present invention;
2 is an exploded perspective view of a door lock apparatus according to the present invention;
3 is a view illustrating an operation state of a door lock apparatus using a first body part according to the present invention; And
4 is an operational state diagram of a door lock apparatus using a second body part according to the present invention.

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

FIG. 1 is a perspective view of a door lock apparatus according to the present invention, and FIG. 2 is an exploded perspective view of a door lock apparatus according to the present invention. 1 and 2, a door lock apparatus 10 according to the present invention includes a housing 100, a first body portion, a second body portion 300, a door lock bundle 400, .

Although the drawings of the present invention show that the door lock bundle 400 is moved upward and downward in order to clearly show the features of the present invention, It is used to move in the lateral direction.

The housing 100 is provided at one side of the door, preferably at a position where the handle is normally provided for opening and closing the door, at one side of the center of the through hole formed for engaging the handle, And supports the lateral movement of the first body part 200 and the second body part 300. A first body part 200 and a second body part 300 are formed on one side of the center of a face of the door 100 corresponding to the front and rear faces of the door 100 so that the first body part 200 and the second body part 300 pass through. The first through hole 110 having a shape corresponding to that of the first through hole 300 is formed, and a locking portion through hole 130 is formed at one side of the center. A second through hole 120 is formed in the floor surface to allow the door lock bundle 400 to pass therethrough. The spring fixing protrusions 430 of the door lock bundle 400, which will be described later, The third guide groove 140 is formed to be long in the upward and downward directions to guide the lifting and lowering of the first guide groove 400. A fastening protrusion 150 protrudes outward from the outer circumferential surface of the housing 100 at a position spaced apart from the third guide groove 140 by a predetermined distance.

3 is an operational state diagram of the door lock device using the first body part according to the present invention. The first body part 200 is inserted into the first through hole 110 of the housing 100 and reciprocates along the longitudinal direction and is connected to one side handle 510 of the door (Hereinafter referred to as "door lock"). The first body part 200 has a rectangular pipe shape with an open upper surface and is provided with a first end part at one longitudinal end, preferably a first end part connected to the outer handle 510, A U-shaped groove 210 is formed. In order to prevent the hinge 420 of the door lock bundle 400 from being detached from the first U-shaped groove 210 due to excessive operation, The projection 211 is formed to protrude inward. Since the fixing protrusions 211 are formed at both ends of the first U-shaped groove 210, the hinge 420 of the door lock assembly 400 can be pushed or pulled by the user with excessive force, The door lock bundle 400 does not move out of the position where the first U'th-shaped groove 210 is formed, and the handle can not move over a predetermined length, and the movement is restricted. At this time, the upper and lower protrusions 211 may be formed to connect both end portions of the first U'-shaped groove 210 to completely cover the upper portion of the first U'-shaped groove 210, Can be more reliably prevented. A portion corresponding to one longitudinal side face of the second body portion 300 inserted between the first U 'groove 210 and the outer handle 510, preferably inside the first body portion 200, The second partition wall 220 for pressing the first spring 610 for returning the first body part 200 to the original position when the outer handle 510 is pushed is protruded to the inside of both side walls And a second spring 620 is pressed onto the bottom surface of the other side end portion to return the first body portion 200 to the original position when the outer handle 510 is pulled as shown in FIG. Three partition walls 230 are protruded. At this time, a locking part through hole 231 through which the locking part 700 passes is formed on one side of the center of the third partition 230. Since the second partition wall 220 and the third partition wall 230 move along the first guide groove 340 and the second guide groove 350 respectively, even if the first body part 200 moves, 300 remain stationary.

4 is an operational state diagram of a door lock apparatus using a second body part according to the present invention. The second body part 300 has a shape corresponding to the first body part 200 as a whole and is inserted into the first body part 200 so as to be symmetrical with the first body part 200, The first through hole 110 is reciprocated in the longitudinal direction and is operated by the operation of the other handle 520 of the door (hereinafter referred to as the "inner handle 520" for convenience of explanation) 400). At this time, the second body part 300 is symmetrical with the first body part 200 so that the positions of the first U '-dominal groove 210 and the second U'-shaped groove 310 are matched with each other . 4A, when the second body part 300 is pulled, the second body part 300 has a second end part for returning the second body part 300 to the original position, One spring 610 is blocked by the closing surface 320 and the second partition 220 of the first body 200 is inserted into one end of the end portion where the closing surface 320 is formed to move in the longitudinal direction The first guide groove 340 is formed to have a predetermined length along the longitudinal direction from the longitudinal end to the inside. At this time, a locking part through hole 321 is formed at one side of the closing surface 320. As shown in FIG. 4B, the second spring 620 is pressed against both side surfaces of the other side opposite to the one surface on which the closing surface 320 is formed, preferably, on both side surfaces at positions corresponding to the third barrier ribs 230 A first partition wall 330 protruding inward is formed. At this time, a second guide groove 350 is formed in a bottom surface of the first body part 200 where the first partition wall 330 is formed, so that the third partition wall 230 of the first body part 200 is inserted and moved in the longitudinal direction .

The first spring 610 is inserted into the second body 300 so that one end of the first spring 610 is supported by one side of the housing 100 and the other end of the first spring 610 is supported by the closing surface 320 of the second body 300 And the second partitions 220 of the first body part 200. As shown in FIG. The first spring 610 is compressed when the first body part 200 and the second body part 300 move in the direction of the inner grip 520 and the outer pressure applied in the direction of the inner grip 520 is released The second body part 300 or the first body part 200 is resiliently restored to the original state by elastically supporting the closing surface 320 or the second partition 220.

The second spring 620 is inserted into the second body 300 and one end of the second spring 620 is supported by the other side of the housing 100 and the other end is connected to the third partition 230 of the first body 200, And the first partition wall 330 of the second body part 300. The second spring 620 is compressed when the first body part 200 and the second body part 300 move in the direction of the outer handle 510 and the external pressure applied in the direction of the outer handle 510 is released The third partition 230 or the first partition 330 elastically supports the first body 200 or the second body 300 in an elastic manner.

The door lock bundle 400 is inserted into the housing 100 and moves upward and downward through the second through hole 120 of the housing 100. The door lock bundle 400 is inserted into the operation space 810 of the latch 800, To pull the operation space 810 of the latch 800 in accordance with the movement of the first body part 200 and the second body part 300 so that the door can be opened. The door lock bundle 400 includes a main body 410 having a vertical U-shaped bent portion 410 for allowing the first body portion 200 and the second body portion 300 to pass therethrough, And a hinge 420 connecting the U-shaped wall surfaces to each other. In addition, spring fixing protrusions 430 protrude outward from both sides of the main body 410. In this case, the spring fixing protrusion 430 is provided such that the hinge 420 protrudes through the side wall of the main body 410 by a predetermined length, so that the protruded hinge 420 can serve as the spring fixing protrusion 430 . The door lock bundle 400 having such a shape inserts the first body part 200 and the second body part 300 between the main body 410 and the hinge 420 and the hinge 420 is inserted between the main body 410 and the hinge 420, And is supported on the upper surface of the first body 200 and the second body 300. 3 and 4, the first U-shaped groove 210 and the second U-shaped groove 310 of the first body part 200 and the second body part 300, respectively, (The latch 800 is in a protruded state) when the center of the door lock 400 is at the hinge 420 of the door lock 400. However, when the user uses the outer handle 510 or the inner handle 520 to linearly move the first body part 200 or the second body part 300 in one direction, the hinge 420 of the door lock bundle 400 Is moved to the upper portion of the second 'U' groove 310 along the second U 'groove 310 so that the door lock bundle 400 moves upward as a whole. Thus, the door lock bundle 400 pulls the operating space 810 of the latch 800, and the latch 800 is inserted into the door and the door can be opened.

The third spring 630 connects the fastening protrusion 150 of the housing 100 and the spring fixing protrusion 430 of the door lock bundle 400 to provide an elastic force so that the door lock bundle 400 is elastically supported downward. When the door lock 400 is always elastically supported downward by the elasticity of the third spring 630 so that no additional external force is generated, the hinge 420 is always engaged with the first 'U' And the second U 'groove 310, that is, the lowermost portion.

The handle is provided at one end portion of the first body portion 200 and the second body portion 300 that are not overlapped with each other so that the user can manipulate the first body portion 200 or the second body portion 300 It is a device that transmits force. The handle includes a fixed portion to be fixed to both sides of the door, and an operation portion coupled to the first body portion 200 and the second body portion 300. One side of the fixing part is formed with a locking part insertion groove to which a locking part 700 to be described later is inserted and fixed.

The locking part 700 is a device capable of locking and unlocking the door lock device 10. [ The locking portion 700 includes a pair of locking portions 720 at a position corresponding to one side of the bar-shaped supporting bar 710 and the supporting bar 710, preferably, the locking portion insertion groove of the fixing portion of the handle Respectively. At this time, the support bar 710 is inserted into the through hole of the locking part 130 of the housing 100, the locking part of the closing part 320 of the housing 100, the inner handle 520, the locking part through hole 231 of the third partition 230, Through hole 321, and is connected to and supported by the outer handle 510. A keyhole is formed at the end of the locking part 700 on the side of the outer handle 510 and a terminal end of the inner handle 520 is connected to the locking device 711. The locking portion 700 is normally released and the locking portion 720 is inserted into the locking portion insertion groove of the handle when the locking portion 700 is rotated through the key or the locking means 711, The movement of the first body part 200 and the second body part 300 is limited even when the inner knob 520 or the outer knob 510 is pushed or pulled. On the contrary, when the locking part 700 is rotated in the original position through the key or the locking means 711, the locking part 720 is disengaged from the locking part insertion groove of the handle and the first body part 200 and the second body part 300 can freely move linearly and operate the door lock apparatus 10. [

As described above, those skilled in the art will understand that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included within the scope of the present invention.

10: Door lock device
100: Housing
110: first through hole
120: second through hole
130: Locking part penetrating hole
140: Third guide groove
150: fastening projection
200: first body part
210: 1st 'U' groove
211: Fixing projection
220: second partition
230: third partition
231: Locking through hole
300: second body part
310: 2nd 'U' groove
311: Fixing projection
320: closed face
321: Locking part through hole
330: first partition
340: first guide groove
350: second guide groove
400: Door lock bundle
410:
420: Hinge
430: spring fixing projection
510: outer handle
520: Inner handle
610: first spring
620: second spring
630: third spring
700: locking portion
710: Support bar
711: Locking means
720:
800: latch
810: Between operations

Claims (11)

A housing fixed to one side of the door and having a first through hole at one side of the center of the front surface and the rear side of the door and having a second through hole at one side of the wall corresponding to the side of the door to which the latch is connected;
A first body portion inserted into the housing through the first through hole to reciprocate and having a first U'-shaped groove formed on one side of the first side wall,
A second U'-shaped groove is formed on one side of both side walls offset from the longitudinal center to the other end, and the first U'thole groove and the second'U'thole groove of the first body are mutually corresponding Is inserted into the first body portion so as to be symmetrical with respect to the first body portion with respect to the first U '-domain groove and the second U' -domain groove, A second body portion having end portions projecting from each other in the longitudinal direction;
U 'groove and the second U' groove in accordance with the reciprocating motion of the first body part or the second body part inserted into the housing and moving between the second through holes A door lock unit that reciprocates and operates the latch for fixing the door; And
A handle disposed at one end of the first body part and the second body part separated from each other;
. The method according to claim 1,
The door lock assembly
A main body having a longitudinal section formed in a U-shape so that the first body part and the second body part can be penetrated; And
A hinge that is provided at one side of the upper left and right wall surfaces of the main body and engages with the first U-shaped groove of the first body portion and the second U-shaped groove of the second body portion;
Wherein the door lock device comprises: 3. The method of claim 2,
And third guide grooves are formed on both side walls of the housing along the moving direction of the door lock bundle so that the hinge can be pushed out of the housing so as to suppress the shaking when the door bundle moves. Lt; / RTI > The method of claim 3,
A fastening protrusion is further protruded from one side of the third guide groove,
Further comprising a third spring for connecting the hinge and the fastening protrusion, which are penetrated to the outside of the housing, to support the door lock bundle in a direction in which the door lock bundle is coupled with the latch. 3. The method of claim 2,
In order to prevent the hinge from being separated from the first and second U'th grooves and the second 'U'thole grooves, And a fixing protrusion protruding inward is further formed. The method according to claim 1,
Further comprising a first spring and a second spring provided on both sides of the housing to provide an elastic force for restoring the first body portion and the second body portion to an original position. The method according to claim 6,
The second body portion
And a first spring is provided between the closed surface and the housing,
A first guide groove is formed along the longitudinal direction from the longitudinal side surface to both side wall surfaces of the end portion on which the closed surface is formed,
A second guide groove is formed along the longitudinal direction on the bottom surface of the other longitudinal end portion in the longitudinal direction,
Wherein a first partition wall protruding inward is formed on one side of both side walls of the end portion where the second guide groove is formed, and a second spring is provided between the partition wall and the housing. 8. The method of claim 7,
The first body portion may include:
A second partition wall protruding inwardly from both side walls of the first guide groove to press the first spring,
And a third partition wall protruding inwardly from a bottom surface of the third partition wall so as to be able to press the second spring inserted into the second guide groove. 9. The method of claim 8,
Further comprising a locking part penetrating from one side of the center of the one side handle to one side of the center of the other side handle to restrict movement of the first body part and the second body part. 10. The method of claim 9,
Wherein the locking surface and the third partition are further formed with a locking portion through-hole through which the locking portion can pass. 11. The method of claim 10,
Wherein,
A rod-shaped support bar connected from the one side handle to the other side handle through the closing surface and the third partition; And
A locking part provided at one side of the longitudinally opposite ends of the support bar and protruding to be hooked on one side of the handle;
Wherein the door lock device comprises:

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