JPH0643405Y2 - Push latch - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a push latch used for locking a door of a system kitchen, an audio rack, or other cabinets.

[Prior Art] In system kitchens, audio racks, and other cabinets, so-called push latches are used to close doors.

The push latch has a slider that is slidably installed in the front of the case body. The push latch has a structure in which when the slider is pressed once, the slider is locked, and when the slider is pressed again, the slider is released and the slider is projected forward. It is a thing.

A magnet is provided on the front part of the slider, and the metal plate attached to the inner surface of the door is attracted to close the door.

This push latch is attached near the opening of the main body made of a box such as a cabinet, and a metal plate is attached to the main body at a position corresponding to the push latch on the inner surface of the door pivotally or pivotally attached to the main body.

When closing the door body, guide the door body to the closed position and push the door body a little further, the slider is locked and the magnet of the slider attracts the metal plate on the inner surface of the door body to close the door body. Hold in closed position.

If the surface of the door body is further pressed from this state, the locked state of the slider is released, and the door body is pushed forward and released.

[Problems to be solved by the device]

In the push latch as described above, it is necessary to push the slider a little further than the locking position in order to lock and unlock, and it is necessary to set the clearance for pushing the door body into the main body.

Therefore, there is a problem in that a gap is created between the door body and the main body, and moisture and dust enter the main body.

In view of the above problems, when the present invention is used for locking a door body such as a cabinet, it is not necessary to push it further from the locking position of the door body, and a closed state is obtained only by guiding to the locking position. Therefore, an object of the present invention is to provide a push latch that can be easily closed without further pushing the slider from the lock position.

[Means for Solving the Problems]

In order to achieve the above object, the present invention provides a lid body having a guide groove on the inner surface thereof, a box-shaped case main body having a slider protrusion opening formed on the front surface together with the lid body, and a front portion inside the case main body. A slider that is slidably mounted in a spring-biased state and has a magnet in the front part and a sliding protrusion that protrudes upward in the rear part are biased upward and fit into a guide groove provided inside the lid. And an engaging arm that is mounted on the upper surface of the slider so as to be capable of swinging left and right around a front base end of the lid. From the first guide groove, the depth of which decreases obliquely rearward from the first guide groove, and the first guide groove has a depth larger than that of the first guide groove, and a first step portion is formed at a rear end of the first guide groove in a direction orthogonal to the slider sliding direction. And the lock position locking part that constitutes the The second guide groove whose depth decreases toward the rear end and the rear end has a greater depth than the rear end of the second guide groove, and constitutes the second end of the second guide groove and the second step, And the front end is smaller in depth than the first guide groove, and is composed of a side of the first guide groove and a third guide groove forming a third step. It constitutes a push latch.

[Action]

The push latch according to the present invention is as described above,
When the sliding projection of the arm is located at the open locking portion of the guide groove on the inner surface of the lid, the slider projects from the projecting opening of the case body and is in an open state.

Here, when the slider is pressed, the arm slides rearward integrally, and the sliding protrusion is guided by the third step portion to swing toward the first guide groove and slide rearward. .

When the sliding protrusion of the arm reaches the first step portion at the rear end of the first guide groove, which is the locking position, the sliding protrusion that is urged upward exceeds the first step portion and has a depth of The slider is locked at the locking position by being locked by the large locking position locking portion.

Further, when the slider is pressed, the sliding protrusion slides backward in the second guide groove and falls into the second guide groove, and is guided by the second step portion and slides forward in the third guide groove. It is returned to the open locking portion to release the locked state.

〔Example〕

 The details of the present invention will be described based on illustrated embodiments.

FIG. 1 is an exploded perspective view for explaining a push latch according to the present invention.

Reference numeral 1 denotes a box-shaped case main body, which forms a slider projecting opening in the front surface together with the lid 2.

Reference numeral 3 is a slider that is slidable back and forth in the case body 1 and the lid body 2 and is installed in a state of being biased forward by the coil spring 4.

The coil spring 4 is arranged so as to be wound around a coil spring mounting rod 5 which is provided so as to project from the rear of the slider 3.

At the front part of the slider 3, metal yokes 6, 6 for holding a magnet inside are vertically arranged, and an arm movement space 7 is formed at the upper surface of the rear part.

The rear end portion of the arm movement space 7 is a leaf spring support portion 8,
A leaf spring 9 is arranged on the leaf spring support portion 8.

An arm base end support portion 10 is formed at a front end portion of the arm moving space 7, and a base end portion 12 of the arm 11 is located on the arm base end support portion 10 and a sliding protrusion 13 is placed on the plate. It is arranged in a state of being erected between the spring 9 and the spring 9.

As a result, the arm 11 is housed in the case in a state where the sliding protrusion 13 is biased upward by the leaf spring 9 and the sliding protrusion 13 can be swung left and right around the base end 12. It

In addition, a protrusion 14 that protrudes to the left and right is provided in the middle portion of the side surface of the slider 3, and the slider 3 is prevented from falling out by coming into contact with the position regulating protrusions 15 and 15 provided at the front end inside the case body 1. To prevent.

When the slider 3 is further disassembled, it becomes as shown in FIG.

That is, the magnet 16 is sandwiched between the yokes 6 attached to the slider body 19 so as to be slidable back and forth.

A locking projection 17 is provided on the lower surface of the rear end of the magnet 16, and when the slider 3 is housed in the case body 1, the locking projection is provided in a magnet fitting groove 18 provided on the inner surface of the case body 1. The portion 17 is fitted to regulate the movement of the magnet 16.

A guide groove along which the sliding protrusion 13 of the arm 11 slides is formed on the inner surface of the lid body 2. FIG. 3 is a plan view for explaining the guide groove.

That is, the guide groove 20 has a first guide groove 22 whose depth decreases obliquely rearward from the open locking portion 21 located in the front, and a depth larger than the first guide groove 22. At the rear end portion of the guide groove 22, a lock position locking portion 24 forming a first step portion 23 in a direction orthogonal to the slider sliding direction, and a depth decreasing diagonally rearward from the lock position locking portion 24. The two guide grooves 25 and the rear end have a greater depth than the rear end of the second guide groove 25, and constitute the rear end of the second guide groove 25 and the second step 26, and the depth toward the front is increased. And the front end is smaller in depth than the first guide groove 22, and the third side forming the third step portion 27 laterally of the first guide groove 22
And a guide groove 28.

The arm 11 is housed in the case with the sliding projection 13 inserted into the guide groove 20 on the inner surface of the lid body 2 and being biased upward by the leaf spring 9.

First, when the slider 3 is in the open state, the sliding protrusion 13 of the arm 11 is in the open locking portion 21, and the front portion of the slider 3 is in a state of protruding from the opening of the case body 1.

A sectional side view of this state is shown in FIG.

That is, the magnet 16 is fitted and fixed in the fitting groove 18 of the case body 1, and the yoke 6 portion projects forward.

When the slider 3 is pressed from this state, the sliding protrusion 13 of the arm 11 swings toward the first guide groove 42 side by the third step portion 27 and is guided by the first guide groove 42, and at the rear end. The slider 3 falls into the lock position locking portion 24, and the slider 3 is locked in this state.

A sectional side view of this state is shown in FIG.

That is, since the slider 3 is pushed in while the magnet 16 remains in the same position, the attracting force of the magnet 16 through the yoke 6 is increased, and the door body and the like are reliably closed.

Next, if the slider 3 is pressed, the sliding protrusion 13 of the arm 11
Moves in the second guide groove 25 and falls to the rear end of the third guide groove 28.

Since the sliding protrusion 13 is restricted in position by the rear end of the third guide groove 28, the slider 3 cannot be pushed any further,
There is no choice but to weaken the pressing force.

Therefore, the slider 3 is pushed forward by the coil spring 4, and at the same time, the sliding protrusion 13 is guided by the second step portion 26 to move forward in the third guide groove 28 and be positioned at the front end portion of the first guide groove 22. Then, the open locking portion 21 stops and becomes an open state.

At this time, as shown in FIG. 4, the magnet 16 is separated from the yoke 6 and the attracting force is weakened to facilitate the opening of the door or the like.

It is also possible to provide a guide groove on the inner surface of the case main body 1 and arrange the sliding protrusion 13 of the arm 11 in a state of being biased toward the case main body 1 side, which is not particularly limited to the embodiment. Not a thing.

The push latch in this invention is as follows,
The slider 3 is locked only by pressing, and there is no need to push it in further for locking.

A door locking structure for a cabinet or the like using the push latch of the present invention is illustrated in a sectional side view of FIG.

That is, 31 is a main body such as a box-shaped cabinet having an opening on the front surface.

Reference numeral 32 denotes a push latch of the present invention attached near the opening inside the main body 31, and a slider 34 slidable with respect to the case main body 33 projects.

Reference numeral 35 denotes a door body that is attached to the opening side of the main body 31 by a hinge or the like so as to be pivotally or pivotally mounted and can be opened and closed, and is composed of a plate-like member that closes the opening portion of the main body 31.

The door 35 has a through hole 36 communicating with the inside and outside in the thickness direction at a position corresponding to the slider 34 of the push latch 32.
Has been drilled.

37 is a cylindrical bush that is inserted into the through hole 36, and guides a push button described later in a sliding manner,
It has a protrusion 38 for position regulation on the inner surface side.

Reference numeral 39 denotes a push button having a substantially columnar shape, which has a thickness substantially the same as that of the door body 35 and is slidably mounted in the bush 37.

The push button 39 has an operating portion 40 having a shape that closes the inner diameter of the bush 37 on the outer surface side, and has a columnar shape with an intermediate portion 41 having a diameter smaller than the inner diameter of the bush 37. Are configured.

Reference numeral 43 denotes a metal pressing plate that is fastened to the inner surface of the push button 39 by a screw 44, and by contacting the inner surface side of the protrusion 38, the operating portion 40 of the push button 39 is substantially the same as the outer surface of the door body 35. The movement position of the push button 39 is restricted at a position flush with the surface.

A spring 45 is mounted in a gap 42 formed between the bush 37 and the intermediate portion 41 of the push button 39, and biases the push button 39 toward the outer surface of the door body 35.

Reference numeral 46 is an annular stopper that regulates the moving position of the push button 39 corresponding to the stroke of the slider 34 of the push latch 32, and this stopper 46 can be omitted.

With such a door locking structure for cabinets, etc.,
The push button 39 attached to 35 is slidable in the bush 37 and is urged to the outer surface side by a spring 45,
The position is regulated by the pressing plate 43, and the operation unit 40
Is substantially flush with the outer surface of the door body 35.

Therefore, when the door body 35 is pressed to a position where the opening of the main body 31 is closed, the pressing plate 43 presses the slider 34 of the push latch 32 and the slider 34 is locked.

At this time, the magnet installed inside the slider 34 of the push latch 32 attracts the pressing plate 43 of the push button 39, so that the door body 35 is locked at the position where the opening of the main body 31 is closed.

In this state, if the operating portion 40 of the push button 39 is pressed, the pressing plate 43 presses and opens the slider 34 of the push latch 32, and the door 35 can be easily opened.

As described above, the magnet housed in the slider 34 is separated from the yoke at the open position of the slider 34 and the attraction force is weakened, and the door body 35 is easily separated from the slider 34 and opened. .

[Effect of device]

The push latch according to the present invention is as described above,
When the slider reaches the locking position, the sliding protrusion of the arm is automatically locked by the locking position locking part of the guide groove, and the slider is locked, so that it is not necessary to push the slider further. Is.

When this is used in a door locking structure such as a cabinet, the door can be locked by simply guiding the door to the closed position.

[Brief description of drawings]

FIG. 1 is an exploded perspective view for explaining a push latch according to the present invention, FIG. 2 is an exploded perspective view for explaining a slider, FIG. 3 is a plan view for explaining a guide groove on an inner surface of a lid, and FIG. 4 is a slider. FIG. 5 is a sectional side view for explaining the push latch of the present invention in an open state, FIG. 5 is a sectional side view for explaining the push latch of the present invention in a slider lock state, and FIG. 6 is a cabinet etc. using the push latch of the present invention. It is a sectional side view for explanation of a door locking structure. 1: Case body, 2: Lid, 3: Slider, 4: Coil spring, 5: Coil spring mounting rod, 6: Yoke, 7: Arm movement space, 8: Leaf spring support, 9: Leaf spring, 10: Arm base End support, 11: Arm, 12: Base end, 13: Sliding projection, 14: Projection, 15: Position restriction projection, 16: Magnet, 17: Locking projection, 18: Magnet fitting groove , 19: slider body, 20: guide groove, 21: open locking portion, 22: first guiding groove, 23: first step portion, 24: lock position locking portion, 25: second guiding groove, 26: second 2 steps, 27: 3rd step, 28: 3rd guide groove, 31: body, 32: push latch, 33: case body, 34: slider, 35: door body, 36: through hole, 37: bush, 38: protrusion, 39: push button, 40: operating part, 41: intermediate part, 42: gap for spring mounting, 43: pressing plate, 44: screw, 45: spring, 46: stopper.

Claims (1)

[Scope of utility model registration request] 1. A lid body having a guide groove on its inner surface, a box-shaped case body that forms a slider projecting opening on the front surface together with the lid body, and a state in which a spring is biased forward in the case body. A slider that is slidably mounted and has a magnet at the front, and a sliding protrusion that protrudes upward in the rear are urged upward and fitted into a guide groove provided inside the lid,
The guide groove on the inner surface of the lid is formed by an arm mounted on the upper surface of the slider so as to be swingable left and right around a front base end portion, and the guide groove on the inner surface of the lid extends diagonally rearward from the open locking portion located at the front. And a lock position having a depth larger than that of the first guide groove and forming a first step portion in a direction orthogonal to the slider sliding direction at a rear end portion of the first guide groove. A locking portion, a second guide groove whose depth decreases obliquely rearward from the locking position locking portion, a rear end portion has a greater depth than a rear end portion of the second guide groove, and a second guide groove The groove rear end portion and the second step portion are formed, and the depth decreases toward the front and the front end portion has a smaller depth than the first guide groove, and the side portion of the first guide groove and the third step portion And a third guide groove constituting the push latch.