KR20180025645A - Embedded type door strike unit - Google Patents

Abstract

The present invention relates to an embedded door strike unit. According to the present invention, the embedded door strike unit comprises a door strike, a dead bolt, a slide, a lever, and an operating cam. Therefore, a component can be optimally arranged in a narrow space. Accordingly, the embedded door strike unit can be commonly adopted in a door having various sizes.

Description

[0001] Embedded type door strike unit [

The present invention relates to a door striking unit, and more particularly, to a door striking unit, which is constructed so as to allow a compact structure in a product which can be embedded in a door to increase structural safety, To an improved door strike unit.

2. Description of the Related Art [0002] In general, a door that selectively communicates between an indoor unit and an outdoor unit performs locking and opening and closing operations by operation of a handle and operation of a door lock.

However, a door that does not require the manipulation of the handle is manufactured according to need, and a part installed for locking the door at the time of designing the non-handle door is referred to as a door strike unit.

Such a door strike unit has an open type that is open on the outer surface of the door and a buried type that is provided on the inside of the door.

In the case of the above-mentioned flush-type door strike unit, a dead bolt is embedded in the door frame forming an outer appearance of the door and is installed to be movable relative to the door frame so that the door can be locked or unlocked. A lever for applying a rotational power of a user applied in the outdoors to the dead bolt, and a slide for connecting the dead bolt and the lever in a dynamic manner.

In the buried type door strike unit according to the prior art having such a configuration, since the connecting bar between the lever and the slide is designed to be long so that the pitch distance design of the dead bolt can be suitably made, There is a problem in that it can not be commonly adopted.

According to the buried type door strike unit according to the related art, only the dead bolt is provided which only engages the locking of the door, and the latch block involved in opening and closing the door is provided on a separate part, There was a disadvantage that the design could not be achieved.

Further, according to the buried type door strike unit according to the related art, it is not easy to adjust the distance between the center of rotation of the lever to which the rotational power is applied by the user and the edge of the door, There were no disadvantages.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a door locking device, which is capable of reducing the pitch distance between a dead bolt involved in locking a door and a lever, And it is an object of the present invention to provide a flush-type door strike unit that can be smoothly designed even in one space, and can be commonly employed in doors of various specifications.

It is another object of the present invention to provide a buried type door strike unit which is capable of implementing various functions even with a simple structure by providing a configuration relating to locking of a door together with a configuration relating to opening and closing of the door.

It is another object of the present invention to provide a flush-type door strike unit which can realize a simple distance between the center of rotation and the edge of a door to which a rotational power applied by a user is applied.

According to an aspect of the present invention, there is provided a buried door strike unit including: a fixing unit embedded in a door frame forming an outer appearance of a door and fixed to an opposing face of the door frame, A door strike extending from the fixed portion along one directional axis and having a cylindrical installation space formed in the axial direction; A dead bolt which is installed in the installation space of the door striker so as to be movable along the axial direction and is selectively inserted into or released from the locking groove of the door frame in accordance with the relative movement of the door strike; A slide which is mechanically connected to the dead bolt and installed to be movable relative to an installation space of the housing part so as to be movable along the axial direction; A lever mounted to be rotatable relative to the housing part and operatively connected to the slide so that power due to the rotational motion is applied to the slide; And a housing that is rotatably installed on the housing part so as to be capable of power coupling between the slide and the lever and to prevent the occurrence of interference between the lever and the housing part by causing rotational displacement on another plane perpendicular to the lever, And an operating cam which is provided on the lower surface of the housing.

Preferably, the present invention further includes a partition rib that divides the installation space of the door strike into a first space and a second space, which are two spaces, wherein the dead bolt is installed in the first space, It is preferable that a guard bolt is installed in the second space to sense the locking state of the door according to the degree of entrance and exit of the door frame into the locking groove through the second space.

The present invention provides a guard bolt holder which is movably connected to a guard bolt to move together with the guard bolt in the second space and is provided with a magnet interacting with a hall sensor fixed to the second space, ; ≪ / RTI >

The present invention is characterized in that the housing portion of the door striker passes through and is disposed inside, and the lever and the operation cam are rotatably installed, and a first case for forming an axial distance between the rotation center of the lever and the opposed surface, ; And a second case coupled to the first case in a state where the housing part is inserted into the first case, wherein an adjustment groove for adjusting the inter-shaft distance is formed on the outer surface of the housing part And the second case is formed with an adjusting pin inserted into the adjusting groove in the process of being coupled with the first case.

The flush-type door strike unit according to the present invention having the above-described configuration is configured such that 1) a rotational power by a user's operation is applied through the lever, 2) a moving power for moving the slide and the dead bolt And 3) such a lever and an actuating cam are mechanically connected to each other to form rotational displacements on different planes, so that the optimum placement of the parts in the narrow space of the housing part of the door strike , Thereby deriving the advantage that it can be commonly employed in doors of various specifications.

According to the embodiment in which the guard bolt involved in opening and closing the door is provided together with the dead bolt involved in locking the door, it is possible to expect a merit that the sensing of the locking state of the door can be performed precisely even with a simple structure do.

Further, according to the embodiment configured to adjust the inter-axis distance between the rotation center to which the operation force of the user is applied and the edge of the door through the pair of cases and the door skew structure disposed between the cases, It is expected that it is possible to realize the distance between the shafts in one configuration, thereby improving user convenience and product reliability.

1 is an exploded perspective view of a flush-type door strike unit according to an embodiment of the present invention;
2 is a perspective view of one embodiment of the present invention.
FIG. 3 is an exploded perspective view of a configuration related to the operation of a dead bolt employed in an embodiment of the present invention; FIG.
4 and 5 are views for explaining an operation procedure of a dead bolt employed in an embodiment of the present invention;
6 is a view for explaining an operation procedure of a guard bolt employed in an embodiment of the present invention.
7 is a view for explaining an inter-axis distance adjustment process according to an embodiment of the present invention;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a buried type door strike unit according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

2 is a perspective view of an embodiment of the present invention. FIG. 3 is a perspective view of a structure of a dead bolt according to an embodiment of the present invention. Referring to FIG. 1, FIGS. 4 and 5 are views for explaining an operation procedure of the dead bolt employed in the embodiment of the present invention. FIG. 6 illustrates an operation procedure of the guard bolt employed in the embodiment of the present invention And FIG. 7 is a view for explaining the inter-axis distance adjustment process according to the embodiment of the present invention.

1 and 2, a buried type door strike unit according to an embodiment of the present invention includes a door strike 1, a dead bolt 2, a slide 3, a lever 4, (5).

The door strike 1 is embedded in a door frame (see FIG. 6) for forming an outer appearance of the door, and includes a fixing portion 11 and a housing portion 12.

7) of the door frame D (see FIG. 7; see FIG. 7). The fixing portion 11 is fixed to the opposite surface of the door frame D facing the door frame A. A1. The through-hole 11a is in communication with the through hole 11a. Here, the dead bolt 2 is selectively inserted into the locking groove A1 via the through hole 11a.

The housing part 12 is a part formed integrally with the fixing part 11 and extended from the fixing part 11 along one directional axis. Here, the one-directional axis is the same as the axis which is a reference for the linear movement of the deadbolt 2. In the housing part 12, a tubular installation space is elongated along the axial direction.

The dead bolt 2 is movably installed in the installation space to allow the door to be locked or unlocked with respect to the door frame A while being moved along the axial direction. The dead bolt 2 is selectively inserted into or released from the locking groove A1 of the door frame A in accordance with the relative movement of the door strike 1 to thereby enable locking or unlocking of the door .

The slide (3) corresponds to a power transmission medium for allowing a lock releasing force by a user's operation to be smoothly transmitted to the dead bolt (2), and is connected to the dead bolt (2) And is movably installed in an installation space of the housing part 12. [

The lever 4 and the actuating cam 5 are similar in feature to the slide 3 in that they implement the power transmission medium function together with the slide 3, There is a feature different from the slide 3 in that it carries out a rotary motion.

4 and 5, the lever 4 is mounted relative to the housing part 12 so as to be relatively rotatable, and is mechanically connected to the slide 3, To be applied to the slide (3). The lever 4 receives a locking release force by a user's operation via the operation cam 5 and forms a rotational displacement in any one plane coordinate in the three-dimensional space. 3, the lever 4 is provided with a rotation axis changing groove 41 for power connection with the operation cam 5. As shown in FIG.

One side of the operation cam 5 is inserted into the rotation axis changing groove 41 of the lever 4 and the other side is mechanically connected to the slide 3 so that the lever 4 and the slide 3 ) To each other.

The operating cam 5 is similar to the lever 4 in that it is relatively rotatable with respect to the housing part 12, but the lever 4 ) In the plane of rotation.

That is, in order to convert the rotational motion of the operating cam 5 into the linear motion of the dead bolt 2 according to the user's operation, the deadbolts 2 The pitch distance design corresponding to the travel distance is very important.

In other words, the locking or unlocking of the door to the door frame A is determined by the linear movement distance, which is the degree to which the deadbolt 2 is inserted into the door frame A, The turning radius of the lever 4 and the connecting means for connecting the lever 4 and the dead bolt 2 in a dynamic manner.

3, the connecting means includes an operating cam 5 for generating a rotational displacement in a plane different from that of the lever 4, and an operating cam 5 connected to the operating cam 5, According to the comparative example in which the lever 4 and the slide 3 are directly connected without the operating cam 5 in contrast to this embodiment, the lever 4 and the slide 3 It is necessary to design a connecting bar connecting the dead bolt 2 to the dead bolt 2 so that the required pitch distance of the dead bolt 2 can be ensured so that the outer diameter of the housing part 12 accommodating the dead bolt 2 is enlarged, Which can not be commonly employed in doors formed with various standards.

However, according to the present embodiment, the rotational power by the user's operation is applied through the lever 4, and the moving power for moving the slide 3 and the dead bolt 2 is transmitted to the operating cam 5 And the lever 4 and the operating cam 5 are mechanically connected to each other so as to form rotational displacements on different planes so that the housing portion of the door strike 1 It is possible to optimally arrange the components in a narrow space of the door 12, and thus it is expected that the door can be commonly employed in doors of various specifications.

The present embodiment further includes a partition rib 12b that divides the installation space of the door strike 1 into a first space and a second space, which are two spaces.

The dead bolt (2) is installed in the first space, and the guard bolt (6) is installed in the second space. 6, the guard bolt 6 is inserted into and detached from the locking groove A1 of the door frame A via the second space, and the guard bolt 6 is locked in the locking state .

6 (a), when the dead bolt 2 is inserted into the locking groove A1, and the guard bolt 6 is inserted into the locking groove A1, the guard bolt 6 by means of identification means for identifying the position of the dead bolt (2).

The guard bolt 6 is moved together with the guard bolt holder 61 by being electrically connected to the guard bolt holder 61. The guard bolt holder 61 is resiliently urged by the spring 62 And a magnet 63 is installed. The magnet 63 is moved in the second space together with the guard bolt holder 61 and the guard bolt 6 and interacts with the hall sensor fixed in the second space so that the guard bolt 6, Thereby enabling the locking state sensing of the door through the position identification of the door.

The guard bolt 6 employed in the present embodiment corresponds to a latch block that only engages in opening and closing, not locking the door in a general door structure, so that no separate latch block is required.

That is, according to the present embodiment, the door strike unit 1 involved in locking the door is provided with the guard bolts 6 corresponding to the latch blocks involved in opening and closing the door, To be performed precisely.

6 (a), when the dead bolt 2 is inserted into the locking groove A1 of the door frame A and the door is in the locked state, the leading end of the guard bolt 6 It is possible to sense the locked state of the door by recognizing the displacement of the set guard bolt 6 when the door is in contact with one surface of the locking groove A1 and while the opening operation of the door is being performed as shown in Figure 6 (b) The guard bolt holder 61 is moved in accordance with the rotation of the guard bolt 6 and the hall sensor senses the change of the magnetic field according to the movement of the guard bolt holder 61. As a result, So that it is possible to precisely sense the opening or locking state of the door.

Hereinafter, a configuration for enabling adjustment of the inter-axis distance according to the present embodiment will be described. Here, the inter-axis distance means the distance between the center of rotation of the lever 4 to which the user's operating force is applied and the opposing face of the door frame A corresponding to the edge of the door.

That is, as shown in FIG. 1, the present embodiment includes a first case 71 for forming the inter-axis distance and a second case 72 coupled to the first case 71.

The first case 71 is formed in such a manner that the housing part 12 of the door strike 1 passes through and the lever 4 and the operation cam 5 are rotatably installed. Enabling the formation of distances.

The second case 72 is coupled to the first case 71 and the housing part 12 in a state where the first case 71 is inserted into the housing part 12, Thereby enabling three-way mutual binding between one case 71 and the door strike 1 and the second case 72.

The second case 72 is formed with a latching protrusion 72a for hooking the latching groove of the first case 71. As shown in FIG. 7A, the first case 71 The adjusting pin 72b inserted into the adjusting groove 12a of the housing part 12 is formed. The adjustment groove 12a of the housing part 12 allows adjustment of the inter-shaft distance together with the adjustment pin 72b of the first case 71. [

7 (b), the first case 71 and the second case 72 are provided in the path of the adjusting groove 12a, as shown in FIG. 7 (b) The first case 71 and the second case 72 are retreated with respect to the housing part 12 in a state where the first case 71 and the second case 72 are coupled to each other and eventually between the center of rotation of the lever 4 and the facing surface of the door The inter-axis distance corresponding to the inter-axis distance is extended.

As described above, according to the present embodiment, the inter-axis distance between the rotation center to which the operation force of the user is applied and the edge of the door can be adjusted through the pair of cases and the door skew structure disposed between the cases , It is expected that it is possible to realize the inter-axis distance with a simple configuration.

In the drawing, reference character B is a cover for closing the fixing portion 11 of the door strike 1. [

1: door strike 11:
11a: through hole 12: housing part
12a: Adjusting groove 12b:
2: dead bolt 3: slide
4: lever 41: rotation axis changing groove
5: Operation cam 6: Guard bolt
61: guard bolt holder 62: spring
63: magnet 71: first case
72: second case 72a:
72b: Adjusting pin A: Door frame
A1: Locking groove B: Cover
D: Door

Claims (4)

The door frame includes a fixed portion embedded in a door frame forming an outer appearance of the door and fixed to an opposing face of the door frame, the opposing face of the door frame being opposed to the door frame, and a fixing portion extending along the unidirectional axis from the fixing portion, A door strike including a housing portion in which a mounting space of a shape is formed;
A dead bolt which is installed in the installation space of the door striker so as to be movable along the axial direction and is selectively inserted into or released from the locking groove of the door frame in accordance with the relative movement of the door strike;
A slide which is mechanically connected to the dead bolt and installed to be movable relative to an installation space of the housing part so as to be movable along the axial direction;
A lever mounted to be rotatable relative to the housing part and operatively connected to the slide so that power due to the rotational motion is applied to the slide; And
The housing being rotatably installed on the housing part so as to be capable of power coupling between the slide and the lever and to generate a rotational displacement on another plane orthogonal to the lever so that interference between the lever and the housing part can be suppressed And an actuating cam for actuating the door. The method according to claim 1,
Further comprising a partition rib that divides the installation space of the door strike into a first space and a second space,
Wherein the dead space is provided in the first space,
Wherein the second space is provided with a guard bolt for sensing a locking state of the door according to a degree of entrance / exit of the door frame into / from the locking groove through the second space. 3. The method of claim 2,
And a guard bolt holder which is movably connected to the guard bolt so as to move together with the guard bolt in the second space and in which a magnet interacts with the hall sensor fixed to the second space, Wherein the door-striking unit comprises: The method according to claim 1,
A first case having a housing portion of the door strike penetrated and disposed therein, the lever and the operation cam being rotatably installed, the first case forming an axis distance between the rotation center of the lever and the opposite surface; And a second case coupled to the first case with the housing part inserted into the first case,
And an adjustment pin is formed on the outer surface of the housing part to allow adjustment of the distance between the shafts and the adjustment case is inserted into the adjustment case when the second case is coupled with the first case. A flush-type door strike unit.

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