JP2642885B2 - Sliding door guidance device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door guide device mainly used for sliding doors of furniture.

[0002]

2. Description of the Related Art As is generally known, in a sliding door for furniture, a sliding door corresponding to a lower rail is provided at a lower portion thereof, and a sliding door is provided on a groove-shaped upper rail at an upper portion thereof. A guide piece that slides during the opening and closing operation is provided. This guide piece, when the sliding door is fitted to the rail,
It projects upward from the housing on the sliding door side and is introduced into the upper rail, and together with the housing, constitutes a sliding door guide device. As such a configuration, as described in Japanese Utility Model Application Laid-Open No. 2-77278, an operation button is provided on the front of the housing, and by operating the operation button, the guide piece can be projected upward. Was adopted.

[0003]

However, the problem here is that the above-described sliding door guide device not only has a complicated internal mechanism, but also has a problem that after inserting the base of the guide piece into the housing, Screw the back cover or glue it, and then attach the above buttons etc., so the number of parts is large,
In addition, there is a drawback that the assembly is troublesome. Therefore, in order to improve this, a guide device for a sliding door with a small number of parts and a structure that is easy to assemble has already been proposed, but due to the arrangement of parts, there is much waste space, and the structure is enlarged in the vertical direction. It was unsuitable as a furniture part that requires miniaturization, such as for furniture.

[0004]

SUMMARY OF THE INVENTION The present invention has been made based on the above circumstances, and has a simple structure and is easy to assemble.
An object of the present invention is to provide a sliding door guide device in which the vertical size is sufficiently reduced.

[0005]

Therefore, in the present invention,
As clearly shown in the illustrated embodiment, a guide piece 3 for guiding the sliding door 1 along the groove-shaped rail 2 is vertically protruded and retracted from a housing 4 provided on the sliding door 1, and the projecting portion of the guide piece 3 is provided. In the guide device for a sliding door, which is slidably fitted to the rail 2, the guide piece 3 is
A projection 3B for immersing the guide piece 3 is provided on one side of the front face of the guide piece 3 on one side in front of the guide piece 3 while being elastically urged in a direction protruding up and down of the sliding door 1 from the housing 4 by a spring 5 provided therein. On the other side of the front face of the guide piece 3 is provided a movable locking piece 3D which can be moved back and forth via an elastic flexible portion 3F. The housing 4 includes an inner space 4B for accommodating the guide piece 3 so as to protrude and retract the guide piece 3 from an open end surface thereof. And a second stopper portion for stopping the movable locking piece 3D at the retracted position when the guide piece 3 is retracted, and a housing 4 for stopping the movable locking piece 3D at the retracted position. On the front side of the housing 4, a pressing element 4E for pressing the movable locking piece 3D forward and backward corresponding to the elastic flexible portion 3F of the movable locking piece 3D is provided.
Is provided via the elastic flexible portion 4G provided in the first portion.

In the above-described configuration, the guide piece 3 is provided with a sprung storage section 3A having a lower end opened at the center of the guide piece 3, and the guide piece 3 is held upward by the sprung 5 stored in the sprung storage section 3A. Is desirable. In this case, the housing 4 is made of a synthetic resin having a window 4F on one side of the front surface for exposing the projection 3B on the front side and a pressing member 4E integrally formed via an elastic flexible portion 4G. It is advantageous in manufacturing that the piece 3 is made of synthetic resin in which the movable locking piece 3D is integrally formed via the elastic flexible portion 3C. Further, the guide device for a sliding door of the present invention can be provided on a lower side of an upper sliding door.

[0007]

In the state of FIG. 1 in which the guide piece 3 is in the protruding position,
The projection 5 pushes up the guide piece 3 and the projection 3B is locked to the first stopper 4C. As shown in FIG. 7, when the projection 3B is pushed down to immerse the guide piece 3, the movable locking piece 3D is locked and fixed to the second stopper portion 4D. In order to return the guide piece 3 to the projecting position shown in FIG.
C is pushed to move the movable locking piece 3D away from the second stopper 4D, and the spring 5 pushes up the guide piece 3,
The push-up position is as shown in FIG.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be specifically described below with reference to the drawings. The sliding door guide device according to the present invention includes:
Basically, a housing 4 provided on the upper part of the sliding door 1 is provided with a guide piece 3 for guiding the sliding door 1 along the groove-shaped upper rail 2.
The upper part of the guide piece 3
The guide piece 3 is slidably fitted to the
The housing 4 and the housing 4 are both molded products made of synthetic resin.

In this embodiment, the guide piece 3 has a slide portion 3X which slides in the upper rail 2 on its upper portion, and a base portion which slides up and down in the housing 4 on its lower portion. 3Y is formed. Guide piece 3
Is provided with a cylindrical sprung storage section 3A having a lower end opened at the center of the base section 3Y.
A projection 3B that regulates a rising position of the guide piece 3 and a movable locking piece 3D that can move back and forth through a band-shaped elastic flexible portion 3C are provided at the front left and right sides of Y. The projection 3B is formed of a separate member having a pair of elastic flexible legs 3F having a hook 3E at the tip, and the base 3Y.
The elastic flexible leg 3F is fitted from the front into the fitting hole 3G formed in the above, and the hook 3E is engaged with the back edge of the fitting hole 3G, and is fixed to the guide piece 3.

The housing 4 is provided with an inner space 4B for slidably moving the guide piece 3 up and down so that the guide piece 3 protrudes and retracts from the upper end opening 4A.
The first stopper portion 4C for stopping the projection 3B at its raised position during the projecting operation of the first and second movable stopper pieces 3D at the lowered position during the immersing operation of the guide piece 3. The second stopper portion 4D is provided. In addition, the housing 4 is provided with a pressing element 4E which is located at the front thereof and presses the front and rear corresponding to the elastic flexible portion 3C of the movable locking piece 3D.

[0011] The sprung housing 3A houses a sprung 5 made of a coil-shaped compression elastic spring or the like. The lower end of the sprung 5 is located inside the inner space 4B of the housing 4.
The guide piece is supported upward by the bottom, and is held upward. In this embodiment, the housing 4 includes a window 4F on one side of the front to expose the projection 3B to the front, and an upper edge of the window 4F constitutes a first stopper 4C. On the other side of the front face, a pressing element 4E is integrally formed and provided via a band-shaped elastic flexible portion 4G.
A window 4I is formed around the elastic flexible portion 4G, and the upper edge of the window 4I serves as a second stopper 4D. Above the window 4I on the front of the housing 4, a relief hole 4H of the movable locking piece 3D at the projecting position is formed.
The movable locking piece 3D at the projecting position is engaged with the upper edge of the escape hole 4H.

Further, in this embodiment, a door stop member 6 is attached to an end of the upper rail 2 at a door stop portion of the sliding door 1, and a holding portion 7A is provided at a tip thereof. The formed U-shaped elastic piece 7 is attached so that the slide portion 3X of the guide piece 3 can be pressed and the beat 3H formed there can be locked.

In such a configuration, first, when assembling,
When the sprung 5 is inserted into the sprung accommodating portion 3A and the base portion 3Y of the guide piece 3 is inserted into the inner space 4B from the upper end opening 4A of the housing 4 in this state, the movable locking piece 3D is moved to its lower position. Then, due to the elastic repulsion of the elastic flexible portion 3C,
Moving to the front side of the housing 4, the second stopper portion 4D
Engages. In this state, since the fitting hole 3G corresponds to the window 4F, the elastic flexible leg 3F is inserted into the fitting hole 3G,
The hook 3E is locked, and the protrusion 3B is fixed to the guide piece 3.

In order to insert the guide piece 3 into the upper rail 2, the presser 4E is pressed to bend the elastic flexible portion 3C, and the movable locking piece 3D is retracted inward from the stopper portion 4D. Let it. As a result, the guide piece 3 is
D is disengaged from the projection 3 and the projection 3
B rises until it contacts the stopper 4C, and the slide 3X is inserted into the upper rail 2.

[0015]

According to the present invention, as described in detail above, a guide piece for guiding a sliding door along a groove-shaped rail is vertically protruded and retracted from a housing provided on the sliding door, and the projecting portion of the guide piece is provided. The guide piece is slidably fitted to the rail, and the guide piece is elastically urged in the projecting direction by the ridge, and is located at the left and right front faces of the guide piece. A projection that regulates the projection position, and
A movable locking piece that can move back and forth through an elastic flexible portion is provided in parallel, and the housing has an inner space that houses the guide piece so as to protrude and retract the guide piece from an end opening portion thereof. And a first stopper portion for stopping the projection at the protruding position when the guide piece protrudes, and stopping the movable locking piece at the protruding position when the guide piece retreats. The movable stopper is provided with a pressing member which is located at the front of the housing and presses back and forth corresponding to the elastic flexible portion of the movable locking piece. Therefore, the protrusion 3B and the pressing element 4
Since the E and the movable locking pieces 3D are arranged side by side on the left and right sides of the front of the housing, the arrangement of the components in the vertical direction becomes parallel, and the size of the housing itself can be significantly reduced in the vertical direction. This is advantageous as a guide device for a sliding door such as furniture. Further, in the structure of the embodiment, the number of parts is small, and the assembly can be easily performed by loading the guide piece into the inner space from the opening at the upper end of the housing. The upper edge of the escape hole 4H provided above the front surface of the housing 4 is engaged with the movable locking piece 3D at the projecting position, so that the upper edge of the escape hole 4H may be used as the first stopper portion. it can. Alternatively, the left and right portions of the escape hole 4H and the window portion 4F can be used as the first stopper portion. Since the first stopper portion is elastically urged by the spring 5 at the center, the posture of the guide piece 3 at the projecting position is attained. Is also stable.

[Brief description of the drawings]

FIG. 1 is a front view showing an entire mounted state showing one embodiment of the present invention.

FIG. 2 is a plan view showing the embodiment.

FIG. 3 is a vertical sectional side view taken along line AA of FIG. 1;

FIG. 4 is a vertical sectional side view taken along line BB of FIG. 1;

FIG. 5 is a vertical sectional side view taken along line CC of FIG. 1;

FIG. 6 is a partially longitudinal front view of the embodiment.

FIG. 7 is a front view showing a state in which the guide piece of the embodiment is immersed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sliding door 2 Upper rail 3 Guide piece 3A Stroke storage part 3B Projection 3C Elastic flexible part 3D Movable locking piece 3E Hook part 3F Elastic flexible part 3G Fitting hole 3H Beat 3X Slide part 3Y Base part 4 Housing 4A Top opening 4B Inner space 4C, 4D Stopper part 4E Presser 4F Window part 4G Elastic flexible part 4H Escape hole 4I Window part 5 Spring 6 Door contact member 7 Elastic piece 7A Holding part

Claims (4)

(57) [Claims] 1. A guide piece (3) for guiding a sliding door (1) along a groove-shaped rail (2) from a housing (4) provided on the sliding door (1) to upper and lower edges of the sliding door (1). Protrude from
Vertically to project and retract in so that the projecting portions of the guide piece (3) in the guide device of the sliding door which slidably fitted with respect to the rail (2), the guide piece (3) is Haujin
Housing (4) by the spring (5) provided in the housing (4).
With the ballistic biased in a direction to protrude above and below the sliding door (1) from, on the one side of the front of the guide piece (3), the projection (3B) is collision for guided piece (3) immersion operation Established
On the other side of the front surface of the guide piece (3) , an elastic flexible portion (3
A movable locking piece (3D) that can move back and forth through F) is provided.
Vignetting is, the housing (4), said guide piece from its end face opening portion (3) so as to project and retract, with comprises Uchisora portion for accommodating the guide piece (3) and (4B), the A first stopper portion for stopping at the projecting position when the guide piece (3) protrudes, and the movable locking piece (3D) at the retracted position when the guide piece (3) retracts. a second stopper portion for stopping, and on the front of the housing (4), in correspondence with the movable locking piece resiliently flexible portion of the (3D) (3F), pressing it back and forth Presser (4E) is provided on the housing (4).
A sliding door guide device provided via an elastic flexible portion (4G) . 2. The sliding door according to claim 1, wherein a projection for immersing the guide piece is brought into contact with an edge of a window of the housing at a projecting position of the guide piece, and this portion is used as a first stopper. Guide device. 3. An upper surface of the movable locking piece is brought into contact with an edge of a relief hole provided in a housing at a projecting position of the guide piece,
The sliding door guide device according to claim 1, wherein this portion is a first stopper portion. 4. A projection for allowing the guide piece to be immersed at the projecting position of the guide piece is brought into contact with an edge of a window portion of the housing, and this portion serves as a first stopper portion.
The sliding door guide device according to claim 1, wherein an upper surface of the movable locking piece is brought into contact with an edge of a relief hole provided in the housing, and this portion also serves as a first stopper portion.