JP2022051133A - Open/close device - Google Patents

Abstract

To provide an open/close device of a fixture capable of improving manufacturing efficiency.SOLUTION: An open/close device 2 includes: a pedestal 22 fixed to a fixture 1; an operation part 23 that is attached rotatably to the pedestal 22 so as to lock/unlock the fixture 1 by a rotation operation; and a pedestal cover 21 that covers the whole of the pedestal 22. The pedestal cover is constituted of a first cover member 4 and a second cover member 7. The first cover member 4 and the second cover member 7 accommodate the whole of the pedestal 22 in a state of being attached to the pedestal 22. The first cover member 4 is configured so as to be slid and attached to the pedestal 22.SELECTED DRAWING: Figure 7

Description

The present disclosure relates to switchgear.

Conventionally, a fitting provided with an opening / closing device capable of locking and unlocking the fitting by rotating a handle through a pedestal portion fixed to the fitting such as a window or a door has been used. A switchgear such as a cam latch handle or a crescent lock is generally configured such that a pedestal portion is fixed to a fitting by a screw or the like (see, for example, Patent Document 1). The switchgear described in Patent Document 1 has two screw covers that cover the screw portion separately from the pedestal body in order to prevent the screws from being exposed and improve the design.

Japanese Unexamined Patent Publication No. 8-28114

The switchgear described in Patent Document 1 requires an operation of twisting the screw cover in order to engage the pedestal and the screw cover with a plurality of engaging portions when the screw cover is attached. A series of processes including a twisting operation is highly difficult to automate, and improvement in manufacturing efficiency is desired.

The present disclosure is a switchgear having a pedestal fixed to a fitting, an operation unit rotatably attached to the pedestal and capable of locking and unlocking the fitting by a rotation operation, and a pedestal cover covering the entire pedestal. The pedestal cover is composed of a first cover member and a second cover member, and the first cover member and the second cover member are inside the entire pedestal in a state of being attached to the pedestal. The first cover member is configured to be attachable by sliding with respect to the pedestal.

It is a figure which shows the switchgear attached to a fitting. It is a figure which shows the fitting at the time of unlocking. It is a front view of the switchgear. It is an external perspective view of the 1st cover member. It is an inside perspective view of the 1st cover member. It is a perspective view of the 2nd cover member. It is a back view of the thing which assembled the back plate member and the 2nd cover member. It is a figure which shows the pedestal before attaching the 1st cover member. It is a figure which shows the slide attachment of the 1st cover member. It is a side view of the pedestal after assembling the first cover member. It is a back view of the stopper. It is a figure which shows the mounting process of a screw.

<First Embodiment>
As shown in FIG. 1, the switchgear 2 of the present embodiment is attached to the fitting 1 and the fitting frame 3, and the fitting 1 can be locked and unlocked. The fitting 1 is, for example, a window or a door, and the fitting frame 3 is composed of, for example, a window frame or a door frame. The pedestal cover 21, the pedestal 22, and the operation unit 23 of the switchgear 2 are fixed to the fitting 1, and the latch receiver 24 is fixed to the fitting frame 3. The switchgear 2 has a connecting portion 6 for connecting the pedestal 22 and the operating portion 23, in addition to the pedestal cover 21, the pedestal 22, the operating portion 23, and the latch receiving 24 described above.

The operation unit 23 is located between the operation handle 23a, the latch 23b that engages with the latch receiver 24 to lock the fitting 1, and is located between the operation handle 23a and the latch 23b, and is connected to the rotary shaft unit 61 described later. It has a portion 23c and. The operation unit 23 can be rotated by 90 ° around the rotation shaft unit 61 from the state shown in FIG. The operation handle 23a is used not only for locking and unlocking operations, but also as a knob for opening and closing the fitting 1.

The operation unit 23 in FIG. 2 is in a state of being rotated by 90 ° from the state shown in FIG. Since the operation unit 23 is repeatedly loaded with the load due to the locking / unlocking operation and the opening / closing operation of the fitting 1, it is preferable that the operation unit 23 has high strength. The operation unit 23 is preferably made of nylon containing glass fiber, for example.

In the present embodiment, the fitting 1 is a shoji that opens outward and does not invade inside the fitting frame 3. The fitting 1 may be configured to open outward or may open inward. By setting the operation unit 23 at the rotation angle shown in FIG. 1 with the shoji closed, the latch 23b is inserted into the latch receiver 24 and engaged to lock the fitting 1 so as not to open to the outside. The latch receiver 24 is embedded and attached to the joinery frame 3 and has a recess into which the latch 23b is inserted.

The latch 23b or the latch receiver 24 has an inclined portion on at least one of the surfaces facing each other. As the operation unit 23 rotates, the latch 23b rides on the latch receiver 24 via the inclined portion, and the latch 23b and the latch receiver 24 engage with each other to lock the fitting 1. On the contrary, by rotating the operation unit 23 from the locked state, the latch 23b and the latch receiver 24 are disengaged, and the fitting 1 is unlocked.

The pedestal cover 21 is composed of a first cover member 4 and a second cover member 7. As shown in FIGS. 3A and 3B, the first cover member 4 has a shape constituting the four surfaces of a substantially rectangular parallelepiped, and can accommodate the entire pedestal 22 inside. The second cover member 7 shown in FIGS. 4 to 6 is formed in a substantially rectangular plate shape, and the end portion thereof is abutted against the first cover member 4 and constitutes one surface of the substantially rectangular parallelepiped. The pedestal cover 21 is preferably made of the same material as the operation unit 23. This is because the color tone is unified and the design is improved.

That is, the pedestal cover 21 is configured such that the first cover member 4 and the second cover member 7 are combined to cover the entire pedestal 22 fixed to the fitting 1 with five sides of the substantially rectangular parallelepiped. As a result, the pedestal 22 is not visible to the user, and as shown in FIG. 2, the pedestal cover 21 has no seam in the front view of the fitting 1, and only a single part is visible, so that the design is good. Is improved. The front view of the fitting 1 means that the fitting 1 is viewed from the direction in which the operation unit 23 is held.

As shown in FIGS. 3A and 3B, the first cover member 4 includes a concave portion 41, a joint surface 42, a convex portion 43, a first engaging portion 44, a guide convex portion 45, and a second engaging portion 46. And have. The first cover member 4 is detachably attached to the pedestal 22. For example, a plurality of types having different designs and surface finishes may be created, and may be selected and used from among them according to the taste of the user.

As shown in FIG. 6, the pedestal 22 is composed of a metal back plate member 5 that is screwed and fixed to the fitting 1. The back plate member 5 is fixed to the fitting 1 by being screwed through the hole 51. Further, the pedestal 22 has a bent portion 53 interposed between the two hole portions 51 and accommodating a stopper mechanism such as a stopper 64 inside, and a recess 52 interposed between the hole portion 51 and the bent portion 53.

The rotating shaft portion 61 of the connecting portion 6 is inserted into the recess 41 with the first cover member 4 attached to the pedestal 22. The joint surface 42 is a portion that is abutted against the joint surface 71 of the second cover member 7. The convex portion 43 is attached so as to support the lower end of the bent portion 53 of the back plate member 5, as shown in FIG. 9 below. As a result, the alignment when the first cover member 4 is attached becomes easy, and the convex portion 43 and the bent portion 53 are engaged with each other to prevent the first cover member 4 from rising. The convex portion 43 may be configured to be inserted into the concave portion 52 of the back plate member 5 shown in FIG. 6 and assembled.

The first engaging portion 44 and the second engaging portion 46 engage with the first engaging portion 72 and the second engaging portion 75 of the second cover member 7, which will be described later, respectively, and the two cover members 4, 7 To integrate. Further, the guide convex portion 45 is fitted with the guide concave portion 73 of the second cover member 7 to prevent misalignment due to thermal expansion, contraction and impact of both cover members 4 and 7.

The connecting portion 6 is caulked and fixed to the back plate member 5 together with the rotating shaft portion 61 and the stopper 64 described later, the shaft neck portion 62 supporting the rotating shaft portion 61, the handle mounting portion 63 to which the operating portion 23 is attached, and the back. It is configured to have a stopper 64 which is arranged on the back surface of the plate member 5 and limits the rotation angle of the operation portion 23, and a groove portion 65 into which the peripheral portion of the recess 41 is inserted with the first cover member 4 attached. To.

The second cover member 7 is formed in a substantially rectangular plate shape, is abutted against the joint surface 42 at the tip of the first cover member 4, and is a member that covers the entire pedestal 22 together with the first cover member 4. The second cover member 7 is preferably made of the same material as the first cover member. This is because even if the members deteriorate over time, the color tone is unified and the design is improved.

The second cover member 7 may be configured independently of the back plate member 5 and the connecting portion 6, or may be integrally formed. For example, the second cover member 7 of the present embodiment is integrally formed with the shaft neck portion 62 of the connecting portion 6 as shown in FIG. 6, and is assembled to the back plate member 5 via the pedestal engaging convex portion 74. .. As a result, the second cover member 7 and the shaft neck portion 62 can be easily attached to the back plate member 5. After the second cover member 7 and the shaft neck portion 62 integrally formed are attached to the back plate member 5, the rotating shaft portion 61 is inserted into the shaft hole portion at the center of the shaft neck portion 62 and fixed. Further, the first cover member 4 can be easily attached to the second cover member 7 already attached to the back plate member 5 by slide attachment. The two cover members 4, 7 are not only attached to the back plate member 5, but also the two cover members 4, 7 are assembled to each other, so that they can be attached more stably.

The second cover member 7 abuts on the joint surface 71 at the joint surface 42 at the tip of the first cover member 4. The joint surface 71 of the second cover member 7 is formed on three sides of the rectangular parallelepiped plate, and the joint surface 42 of the first cover member 4 corresponds to the joint surface 71 of the second cover member 7, and the joint surface 42 is the winning side. Is formed to be. The two cover members 4, 7 are joined by engaging with the first engaging portions 44, 72 and the second engaging portions 46, 75, and the joining surfaces 42, 71 are butted against each other. As a result, a seam between the two cover members 4 and 7 is formed on the side surface. Therefore, the seams of the cover members 4 and 7 are difficult to see from the front, and the design is improved.

The first cover member 4 is detachably attached to the pedestal 22 by sliding in the direction indicated by the arrow in FIG. 7. Since the slide can be mounted, the cover mounting process can be easily automated at the time of manufacturing. The first engaging portion 44 and the second engaging portion 46 engage with the first engaging portion 72 and the second engaging portion 75 of the second cover member 7, respectively, and integrate the two cover members 4 and 7. To become.

FIG. 8 is a side view of the pedestal cover 21 as viewed from the second cover member 7 side. The back plate member 5 and the first cover member 4 joined by slide attachment are arranged on the back side of the paper surface of the second cover member 7. The seam between the first cover member 4 and the second cover member 7 is on the side of the second cover member 7, and is not visible in the front view of the fitting 1.

The peripheral edge portion of the recess 41 of the first cover member 4 is inserted into the groove portion 65 formed between the shaft neck portion 62 and the back plate member 5 and caulked and fixed. As a result, the first cover member 4 is sandwiched between the shaft neck portion 62 and the back plate member 5 and restrained in the vertical direction, so that the first cover member 4 is less likely to come off during mounting. Since a force that is pressed downward by caulking the shaft neck portion 62 is applied to the upper surface of the first cover member 4, the second engaging portions 46 and 75 can be stably engaged. When engaging the second engaging portions 46 and 75, it is preferable to engage the first cover member 4 while bending it against the above-mentioned force.

The second cover member 7 has a recess 76 in the vicinity of the joint with the first cover member. As a result, by inserting a flat-blade screwdriver or the like into the recess 76 and applying a force, the engagement between the first engaging portions 44 and 72 and the second engaging portions 46 and 75 is disengaged, and the cover members 4 and 7 are attached and detached. Can be easily done.

In a state where the first cover member 4 and the second cover member 7 are assembled, the convex portion 43 engages with and supports the lower end of the bent portion 53 of the back plate member 5 as shown in FIG. As shown in FIG. 6, the bent portion 53 of the back plate member 5 is configured so that the lower end portion is higher than the peripheral portion of the hole portion 51 screwed to the fitting 1. That is, the convex portion 43 of the first cover member 4 is inserted between the fitting 1 and the lower end of the bent portion 53. As a result, the back plate member 5 can be supported against the load loaded by the opening / closing operation of the fitting 1, the back plate member 5 can be prevented from being deformed, and the first cover member 4 can be prevented from rising. ..

(Assembly method of switchgear)
Next, a method of assembling the switchgear 2 will be described. First, the pedestal engaging convex portion 74 of the second cover member 7 is inserted into the concave portion 52 of the back plate member 5 so as to engage with the concave portion 52, and the second cover member 7 is attached to the back plate member 5 as shown in FIG. .. At this time, the back plate member 5 and the second cover member 7 are configured so that the positions of the shaft holes into which the rotating shaft portion 61 is inserted coincide with each other.

Next, the handle mounting portion 63 is caulked and fixed to one end of the rotary shaft portion 61 to connect the two, and the operation handle 23a is mounted to the handle mounting portion 63 by insert molding. As a result, the operation handle 23a and the rotary shaft portion 61 are integrated.

Next, the rotary shaft portion 61 to which the operation handle 23a is attached to one end is inserted into the shaft holes of the back plate member 5 and the second cover member 7, and the stopper 64 is inserted from the back surface of the back plate member 5 to the other end of the rotary shaft portion 61. It is fixed by caulking.

Finally, the back plate member 5 is fixed to the fitting 1 by screwing to form the pedestal 22, and the first cover member 4 is attached to the pedestal 22 by slide attachment, so that the entire pedestal 22 is covered by the pedestal cover 21. As a result, the switchgear 2 is assembled. The screw fastening process is preferably automated using the screw fixing device 10 as shown in FIG. The screw fixing device 10 can supply the screw 8 to the back plate member 5 and fix the screw. It is preferable that the switchgear 2 is configured to be accessible from above the hole 51 of the back plate member 5 so as not to interfere with the screw fixing device 10.

The switchgear 2 of the present embodiment has been described above. According to the switchgear 2, the following effects are achieved.

The switchgear 2 of the present embodiment covers the pedestal 22 fixed to the fitting 1, the operation unit 23 rotatably attached to the pedestal 22 and the fitting 1 can be locked and unlocked by the rotation operation, and the entire pedestal 22. A switchgear 2 having a pedestal cover 21, wherein the pedestal cover 21 is composed of a first cover member 4 and a second cover member 7, and the entire pedestal 22 is inside in a state of being attached to the pedestal 22. The first cover member 4 is accommodated and is configured to be attachable by sliding with respect to the pedestal 22. As a result, the pedestal cover 21 can be attached by a sliding operation, which facilitates assembly automation and improves the production efficiency of the switchgear 2. Further, the pedestal cover 21 has no seam in the front view of the fitting 1, and only a single part is visible, so that the design is improved.

The first cover member 4 and the second cover member 7 have first engaging portions 44, 72 and second engaging portions 46, 75 that engage with each other, respectively, and the first engaging portions 44, 72 and the second. The engaging portions 46 and 75 are engaged with each other and assembled with each other. As a result, the two cover members 4 and 7 can be assembled by sliding attachment, and the assembly can be easily automated.

The second cover member 7 has a pedestal engaging convex portion 74 attached to the pedestal 22. As a result, the position of the second cover member 7 at the time of attachment can be easily aligned, and then the first cover member 4 can be slid and assembled according to the position of the second cover member, so that the assembly can be easily automated. Can be done.

The switchgear 2 has a rotary shaft portion 61 whose one end is supported by the pedestal 22 and whose other end is connected to the operation portion 23, and the first cover member 4 is attached to the pedestal 22 and has a rotary shaft portion 61. The pedestal 22 has a recess 41 into which the recess 41 is inserted, and the pedestal 22 has a groove 65 into which the peripheral edge portion of the recess 41 is inserted with the first cover member 4 attached. As a result, the first cover member 4 is sandwiched between the shaft neck portion 62 and the back plate member 5 and restrained in the vertical direction, so that the first cover member 4 is less likely to come off during mounting.

Further, the manufacturing method of the switchgear 2 of the present disclosure includes a slide mounting step of mounting the first cover member 4 on the pedestal 22 by slide mounting. As a result, since the first cover member 4 can be attached by a sliding operation, assembly automation becomes easy and the production efficiency of the switchgear 2 is improved. Further, the pedestal cover 21 has no seam in the front view of the fitting 1, and only a single part is visible, so that the design is improved.

The switchgear of the present embodiment is not limited to the above embodiment. For example, it may be applied to a Gremon lock or a Crescent lock instead of the cam latch handle as in the above embodiment. Further, the switchgear of the present disclosure can be applied to various fittings such as a self-propelled door and a terrace door.

1 ... Joinery, 2 ... Opening and closing device, 21 ... Pedestal cover, 22 ... Pedestal, 23 ... Operation unit, 23a ... Operation handle, 23b ... Latch, 23c ... Intermediate part, 24 ... Latch receiver, 3 ... Joinery frame, 4, ... 1st cover member, 41 ... concave portion, 42 ... joint surface, 43 ... convex portion, 44 ... first engaging portion (first cover member), 45 ... guide convex portion, 46 ... second engaging portion (first cover) Member), 5 ... Back plate member, 51 ... Hole, 52 ... Recess, 53 ... Bending, 6 ... Connecting, 61 ... Rotating shaft, 62 ... Shaft neck, 63 ... Handle mounting, 64 ... Stopper, 65 ... Groove portion, 7 ... Second cover member, 71 ... Joint surface, 72 ... First engaging portion (second cover member), 73 ... Guide concave portion, 74 ... Pedestal engaging convex portion, 75 ... Second engaging portion ( 2nd cover member), 76 ... concave, 8 ... screw, 10 ... screw fixing device

Claims (5)

The pedestal fixed to the fittings and
An operation unit that is rotatably attached to the pedestal and that can lock and unlock the fitting by rotating operation.
A switchgear having a pedestal cover that covers the entire pedestal.
The pedestal cover is composed of a first cover member and a second cover member.
The first cover member and the second cover member accommodate the entire pedestal in a state of being attached to the pedestal.
The first cover member is an opening / closing device that can be attached by sliding with respect to the pedestal. The first cover member and the second cover member each have a cover fitting portion to be fitted to each other, and the cover fitting portions are fitted to each other and assembled to each other, according to claim 1. Switchgear. The switchgear according to claim 1 or 2, wherein at least one of the first cover member and the second cover member has a pedestal engaging portion attached to the pedestal. The switchgear
One end is supported by the pedestal and the other end has a rotating shaft portion connected to the operating portion.
The first cover member has a recess into which the rotating shaft portion is inserted while being attached to the pedestal.
The switchgear according to any one of claims 1 to 3, wherein the pedestal has a groove into which a peripheral portion of the recess is inserted with the first cover member attached. The method for manufacturing a switchgear according to any one of claims 1 to 4.
A method for manufacturing a switchgear, comprising a slide mounting step of mounting the first cover member to the pedestal by slide mounting.

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