JP6995087B2 - Switchgear - Google Patents

Description

The present invention relates to a switchgear that holds a door, a lid, a window, or the like of furniture, a building, or the like in a closed position.

A switchgear called a push latch is known as a switchgear that holds a door or the like of furniture, a building, or the like in a closed position (see Patent Document 1). If a push latch is used, the door or the like can be held in the closed position by pushing the door or the like without providing a handle or a handle for opening and closing the door or the like. The push latch may be provided with a magnet for holding the door or the like in a closed position, or may be provided with a pair of arms that can be opened and closed. When opening the door, etc., if you push the door, etc. in the closed position, the door, etc. will open a small amount. You can open the door by touching the open part of the door.

The push latch comprises a case and a slider that can slide back and forth with respect to the case. A heart-shaped cam groove (a combination of an M-shaped cam groove at the rear and a V-shaped cam groove at the front) is formed on the surface of the case facing the slider. The slider is provided with a swingable engaging body whose tip portion enters the cam groove. A spring is provided between the slider and the case to urge the slider forward with respect to the case.

When the door or the like is in the closed position, the engaging body engages with the central portion of the M-shaped cam groove, and the slider is maintained in the locked position. When the door or the like is in a small amount of open position, the engaging body engages with the pointed tip of the V-shaped cam groove and the slider is maintained in the front end position.

Jitsukosho No. 53-37999

However, the conventional push latch has a problem that when the slider moves from the rear lock position to the front end position, the engaging body provided on the slider vigorously hits the tip of the V-shaped cam groove. Therefore, the engaging body may be damaged or the operation of the push latch may not be stable.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a switchgear capable of stabilizing operation.

In order to solve the above problems, one aspect of the present invention is to have a lid in which a cam groove is formed, a case in which the front surface is open, and a holding portion capable of holding a door or the like are attached , and the case is slid. The cam groove comprises a possible slider, an engaging body that is swingably provided on the slider and whose tip enters the cam groove, and a spring that urges the slider forward with respect to the case. In an opening / closing device configured to hold the slider in the rear locked position when the slider is pressed, and to release the slider from the locked position and move forward when the slider is pressed again. At least one groove is formed in the lid body on which the cam groove is formed, the slider is provided with a protrusion that enters the groove, and the protrusion of the slider is abutted against the front end portion of the groove of the lid body. An opening / closing device that limits the forward movement of the slider.
Another aspect of the present invention is a case having a lid on which a cam groove is formed, a case having an open front surface, a holding portion capable of holding a door or the like, a slider capable of sliding the case, and the slider. The cam groove is provided with an engaging body that is swingably provided and has a tip portion that enters the cam groove, and a spring that urges the slider forward with respect to the case. The cam groove is formed in an opening / closing device configured such that the slider remains in the rear locked position and the slider is released from the locked position and moved forward when the slider is pressed again. At least one groove is formed in the lid body, the slider is provided with a protrusion that enters the groove, and the protrusion of the slider is abutted against the front end portion of the groove of the lid body to move the slider forward. It is an opening / closing device that limits the movement of the slider to the rear by abutting the protrusion of the slider against the rear end portion of the groove of the lid when pushing the slider.
Yet another aspect of the present invention is a case having a lid on which a cam groove is formed and having an open front surface, a holding portion capable of holding a door or the like, and a slider capable of sliding the case, and the above. The slider is provided with an engaging body that is swingably provided and whose tip portion enters the cam groove, and a spring that urges the slider forward with respect to the case, and the cam groove is provided when the slider is pushed. The cam groove is formed in an opening / closing device configured such that the slider remains in the rear locked position and the slider is released from the locked position and moved forward when the slider is pressed again. At least one groove is formed in the lid body, the slider is provided with a protrusion that enters the groove, the protrusion of the slider is abutted against the front end portion of the groove of the lid body, and the slider is moved forward. This is an opening / closing device in which the cam groove is arranged between the pair of the grooves, and each of the pair of the protrusions of the slider is inserted into each of the pair of the grooves.
Yet another aspect of the present invention is a case having a lid on which a cam groove is formed and having an open front surface, a holding portion capable of holding a door or the like, and a slider capable of sliding the case, and the above. The slider is provided with an engaging body that is swingably provided and whose tip portion enters the cam groove, and a spring that urges the slider forward with respect to the case, and the cam groove is provided when the slider is pushed. The cam groove is formed in an opening / closing device configured such that the slider remains in the rear locked position and the slider is released from the locked position and moved forward when the slider is pressed again. At least one groove is formed in the lid body, the slider is provided with a protrusion that enters the groove, the protrusion of the slider is abutted against the front end portion of the groove of the lid body, and the slider is moved forward. This is an opening / closing device in which a cushioning material is provided at the front end portion of the groove of the lid body.

According to the present invention, a groove is formed in the lid body, a protrusion that enters the groove is provided in the slider, and the protrusion of the slider is abutted against the front end portion of the groove of the lid body to limit the forward movement of the slider. It is possible to prevent the engaging body from colliding with the tip of the cam groove when the slider moves from the rear lock position to the front end position. Therefore, the operation of the switchgear can be stabilized. Further, since the groove is formed on the lid on which the cam groove is formed, the height of the switchgear can be suppressed even if the slider is provided with a protrusion.

FIG. 1 (a) is an external perspective view of a switchgear according to an embodiment of the present invention (FIG. 1 (a) shows a state in which the slider is in the front end position, and FIG. 1 (b) shows a state in which the slider is in the locked position). It is an exploded perspective view of the switchgear of this embodiment. It is a vertical sectional view of the switchgear of this embodiment. It is a bottom side perspective view of the slider of the switchgear of this embodiment. 5A is a plan view, FIG. 5B is a sectional view taken along line bb of FIG. 5A, and FIG. 5C is a view. 5 (a) cc line sectional view). It is a horizontal sectional view of the switchgear of this embodiment (FIG. 6 (a) shows a state which a slider is in a front end position, and FIG. 6 (b) shows a state that a slider is in a rear end position). It is a horizontal sectional view of the switchgear of this embodiment (FIG. 7 (a) shows the state which a slider is in a locked position, and FIG. 7 (b) shows the state which a slider is in a rear end position). It is a process diagram when the switchgear of this embodiment is attached to a housing or the like (FIG. 8A shows a state in which a mounting plate is attached to a housing or the like, and FIG. Shows the attached state).

Hereinafter, the switchgear according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention can be embodied in various forms and is not limited to the embodiments described in the present specification. The present embodiment is provided with the intention of allowing a person skilled in the art to fully understand the scope of the invention by adequately disclosing the specification.

FIG. 1 shows an external perspective view of a switchgear according to an embodiment of the present invention. 1 is a switchgear, 2 is a case, 3 is a slider, 4 is a magnet portion as a holding portion, and 5 is a mounting plate to which the case 2 can be detachably attached. The switchgear 1 is attached to a housing, a frame, etc. (hereinafter, a housing, etc.) of furniture, a building, etc., and is used to open / close a door, a lid, a window, etc. (hereinafter, a door, etc.).

In the following, for convenience of explanation, the configuration of the switchgear 1 will be described using the direction in which the switchgear 1 mounted on the horizontal plane is viewed from the door or the like, that is, the vertical, front-back, and left-right directions of FIG. 1 (a). do. Of course, the arrangement of the switchgear 1 is not limited to this, and the switchgear 1 may be mounted on a vertical surface, or the switchgear 1 may be turned upside down and mounted on a ceiling surface.

FIG. 1A shows a state in which the slider 3 is in the front end position. FIG. 1B shows a state in which the slider 3 is in the rear locked position. When the door or the like is pushed, the slider 3 moves from the front end position shown in FIG. 1 (a) to the lock position shown in FIG. 1 (b). The door or the like is provided with a suction plate made of iron or the like that is attracted to the magnet portion 4. The door or the like is attracted to the slider 3 at the locked position, and its closed position is held.

FIG. 2 shows an exploded perspective view of the switchgear 1, and FIG. 3 shows a vertical sectional view of the switchgear 1. The case 2 is hollow and has an open front surface. Inside the case 2, the slider 3 is slidable in the front-rear direction. The case 2 includes a main body 7 and a lid 8 attached to the main body 7. The front surface and the lower surface of the main body 7 are open. The upper inner surface of the main body 7, the left and right inner surfaces, and the upper surface of the lid 8 form a guide surface. The lid 8 has a plate shape. The protrusion 8a at the rear end of the lid 8 engages with the rear wall 7a of the main body 7, and the front end thereof is attached to the main body 7 by a pin 9.

A magnet portion 4 is attached to the slider 3. The magnet portion 4 includes a magnet 4a and a pair of yokes 4b that sandwich the magnet 4a. The magnet portion 4 is attached to the slider 3 by the pin 10. The upper surface and the left and right side surfaces of the slider 3 slide on the inner surface of the main body 7, and the bottom surface of the slider 3 slides on the upper surface of the lid 8.

FIG. 4 shows a perspective view of the bottom surface of the slider 3. A pair of left and right protrusions 3a are provided on the bottom surface of the slider 3. The protrusion 3a enters the groove 12 of the lid 8 (see FIG. 2) and slides the groove 12 in the front-rear direction.

As shown in FIG. 2, the slider 3 is provided with a pin 13 as an engaging body so as to be swingable. The base end portion 13a and the tip end portion 13b of the pin 13 are bent in opposite directions. The base end portion 13a of the pin 13 is rotatably fitted to the slider 3. As shown in FIG. 4, a hole 3b into which the pin 13 is fitted and a V-shaped notch 3c connected to the hole 3b are formed on the bottom surface of the slider 3. The notch 3c regulates the rotation of the pin 13 by its wall surface. As shown in FIG. 2, the tip portion 13b of the pin 13 enters the cam groove 11 of the lid 8. The slider 3 is provided with a coil spring 15 and a pressing body 16 for urging the tip portion 13b of the pin 13 to the bottom surface of the cam groove 11 (see FIG. 3).

FIG. 5 shows a detailed view of the lid 8. 5 (a) is a plan view, FIG. 5 (b) is a sectional view taken along line bb of FIG. 5 (a), and FIG. 5 (c) is a sectional view taken along line cc of FIG. 5 (a). A heart-shaped cam groove 11 is formed on the upper surface of the lid 8. The heart-shaped cam groove 11 includes a rear M-shaped cam groove 11a, an extension groove 11a1 extending diagonally rearward from a corner on the left side (upper side of FIG. 5) of the cam groove 11a, and a right side of the cam groove 11a (FIG. 5). It is provided with an extension groove 11a2 extending diagonally rearward from a corner (lower side), a front V-shaped cam groove 11b, and a linear extension groove 11c extending forward from the tip of the V-shaped cam groove 11b. ..

A pair of left and right grooves 12 are formed on the upper surface of the lid 8. The groove 12 extends in the front-rear direction. Further, an orthogonal groove 14 connected to the front end portion 12a of the groove 12 is formed on the upper surface of the lid body 8. As shown in FIG. 2, a cushioning material 17 made of elastomer, rubber, or the like is arranged in the orthogonal groove 14. The cushioning material 17 has a plate shape. A hook 8b (see FIG. 3) is formed on the lid 8 to prevent the cushioning material 17 from coming off.

As shown in FIG. 2, the spring 21 is provided behind the slider 3 between the slider 3 and the case 2. The spring 21 always urges the slider 3 forward with respect to the case 2. Reference numeral 22 is a spring receiver having a rod 22a that enters the inside of the spring 21. The spring receiver 22 is supported by the rear wall 7a of the main body 7 of the case 2.

Hereinafter, the operation of the switchgear 1 of the present embodiment will be described with reference to FIG. As shown in FIG. 1A, when the slider 3 is in the front end position, as shown in FIG. 6A, the pin 13 (base end portion 13a of the pin 13) is in the position of a in the middle of the extension groove 11c. It is in. When the slider 3 is pushed, as shown in FIG. 6B, the pin 13 enters the extension groove 11a1 of the M-shaped cam groove 11a to reach the position b due to the shape of the cam groove 11, and the protrusion of the slider 3 is formed. 3a abuts on the rear end portion 12b of the groove 12. Since the slider 3 cannot be retracted any further, when the force for pushing the slider 3 is removed, the pin 13 is at the position c shown in FIG. 7A due to the shape of the M-shaped cam groove 11a and the action of the spring 21. It reaches the point where it falls into the depression (the central part of the M-shaped cam groove 11a) and cannot move forward. At this time, the slider 3 is in the locked position shown in FIG. 1 (b). As a result, a state in which the door or the like is closed is realized.

When the slider 3 is pushed again while the slider 3 is in the locked position, the pin 13 enters the extension groove 11a2 of the M-shaped cam groove 11a and reaches the position d as shown in FIG. 7B. The protrusion 3a of the slider 3 abuts against the rear end portion 12b of the groove 12 again. Since the slider 3 cannot be retracted any more than this, when the force for pushing the slider 3 is removed, the pin 13 has the shape of the M-shaped cam groove 11a and the V-shaped cam groove 11b and the action of the spring 21. Move forward to the position. At this time, as shown in FIG. 6A, the protrusion 3a of the slider 3 hits the front end portion of the groove 12, that is, the cushioning material 17, and cannot advance any further and stops. The slider 3 is at the front end position shown in FIG. 1 (a). As a result, a state in which the door or the like is opened a small amount is realized.

Note that 24a, 24b, 24c, and 24d in FIG. 6A are steps provided in the cam groove 11. The groove 25a constituting the V-shaped cam groove 11b is formed with an upward slope toward the rear. The groove 25b constituting the M-shaped cam groove 11a is formed with an upward slope toward the central portion of the M-shaped cam groove 11a. The groove 25c constituting the M-shaped cam groove 11a is formed with an upward slope toward the rear. The groove 25d constituting the V-shaped cam groove 11b is formed with an upward slope toward the front. Due to the steps 24a, 24b, 24c, 24d, the pin 13 moves only in the forward direction and cannot move in the reverse direction.

5 in FIG. 2 is a mounting plate to be mounted on a housing or the like. A mounting hole 5a is formed in the mounting plate 5. The edge portion 5b of the mounting plate 5 is formed with a notch 5b1 corresponding to the claw 7b of the main body 7 and a fitting groove 5b2 into which the claw 7b is fitted. A lock lever 26 is provided on the main body 7 so as to be slidable in the vertical direction. The lock lever 26 is urged downward with respect to the main body 7 by the spring 27.

The main body 7 can be attached to and detached from the mounting plate 5 with one touch. As shown in FIG. 8A, the mounting plate 5 is mounted on the housing 28 or the like by a fastening member such as a screw. When the claw 7b (see FIG. 2) of the main body 7 is fitted into the notch 5b1 of the mounting plate 5 and the main body 7 is slid backward as shown in FIG. 8 (b), the lock lever 26 is mounted by the action of the spring 27. It fits into the hole 5c of the plate 5. As a result, the main body 7 can be attached to the attachment plate 5 with one touch. When removing the main body 7 from the mounting plate 5, the lock lever 26 may be lifted and the main body 7 may be slid forward.

The configuration of the switchgear 1 of the present embodiment has been described above. According to the switchgear 1 of the present embodiment, the following effects are obtained.

Since the protrusion 3a of the slider 3 is abutted against the front end portion 12a (that is, the cushioning material 17) of the groove 12 of the lid 8 to limit the forward movement of the slider 3, the slider 3 moves from the rear lock position to the front end position. It is possible to prevent the pin 13 from colliding with the tip of the V-shaped cam groove 11b when moving. Therefore, the operation of the switchgear 1 can be stabilized. Further, since the groove 12 is formed on the lid 8 on which the cam groove 11 is formed, the height of the opening / closing device 1 can be suppressed.

When pushing the slider 3, the protrusion 3a of the slider 3 is abutted against the rear end portion 12b of the groove 12 of the lid 8 to limit the backward movement of the slider 3, so that the operation of the switchgear 1 is more stable. Can be done.

By arranging the cam groove 11 between the pair of grooves 12 so that the pair of protrusions 3a of the slider 3 can be inserted into each of the pair of grooves 12, the operation of the switchgear 1 can be further stabilized.

Since the cushioning material 17 is provided at the front end portion 12a of the groove 12, the impact when the protrusion 3a of the slider 3 hits the front end portion 12a of the groove 12 can be alleviated.

Since the orthogonal groove 14 is formed in the front end portion 12a of the pair of grooves 12 and the cushioning material 17 is arranged in the orthogonal groove 14, the cushioning material 17 can also be used in the pair of grooves 12, and the switchgear 1 can be easily assembled. become.

The present invention is not limited to the embodiment, and can be changed to various embodiments without changing the gist of the present invention.

For example, in the above embodiment, the magnet portion is used as the holding portion, but a pair of arms that can be opened and closed can also be used as the holding portion. The pair of arms have their base ends rotatably supported by the slider and open and close as the slider moves relative to the case. Since a pair of arms that can be opened and closed are known, further detailed description thereof will be omitted.

In the above embodiment, a pair of grooves are formed in the lid body, but one groove may be formed in the lid body.

1 ... Switchgear 2 ... Case 3 ... Slider 3a ... Protrusion 4 ... Magnet part (holding part)
8 ... Cover 11 ... Cam groove 12 ... Groove 12a ... Front end of groove 12b ... Rear end of groove 13 ... Pin (engagement body)
14 ... Orthogonal groove 17 ... Cushioning material 21 ... Spring

Claims (5)

A case with a lid on which a cam groove is formed and an open front,
A slider that can slide the case with a holding part that can hold the door etc.
An engaging body that is swingably provided on the slider and whose tip portion enters the cam groove.
A spring that urges the slider forward with respect to the case.
The cam groove opens and closes so that when the slider is pushed, the slider remains in the rear locked position, and when the slider is pushed again, the slider is released from the locked position and moves forward. In the device
At least one groove is formed in the lid body on which the cam groove is formed, and the cam groove is formed.
The slider is provided with a protrusion that enters the groove.
A switchgear that limits the forward movement of the slider by abutting the protrusion of the slider against the front end of the groove of the lid. A case with a lid on which a cam groove is formed and an open front,
With a slider that has a holding part that can hold a door etc. and can slide the case,
An engaging body that is swingably provided on the slider and whose tip portion enters the cam groove.
A spring that urges the slider forward with respect to the case.
The cam groove opens and closes so that when the slider is pushed, the slider remains in the rear locked position, and when the slider is pushed again, the slider is released from the locked position and moves forward. In the device
At least one groove is formed in the lid body on which the cam groove is formed, and the cam groove is formed.
The slider is provided with a protrusion that enters the groove.
The protrusion of the slider is abutted against the front end of the groove of the lid to limit the forward movement of the slider.
A switchgear that limits the backward movement of the slider by abutting the protrusion of the slider against the rear end of the groove of the lid when pushing the slider. A case with a lid on which a cam groove is formed and an open front,
With a slider that has a holding part that can hold a door etc. and can slide the case,
An engaging body that is swingably provided on the slider and whose tip portion enters the cam groove.
A spring that urges the slider forward with respect to the case.
The cam groove opens and closes so that when the slider is pushed, the slider remains in the rear locked position, and when the slider is pushed again, the slider is released from the locked position and moves forward. In the device
At least one groove is formed in the lid body on which the cam groove is formed, and the cam groove is formed.
The slider is provided with a protrusion that enters the groove.
The protrusion of the slider is abutted against the front end of the groove of the lid to limit the forward movement of the slider.
The cam groove is arranged between the pair of the grooves,
A switchgear in which each of the pair of protrusions of the slider is inserted into each of the pair of grooves. A case with a lid on which a cam groove is formed and an open front,
With a slider that has a holding part that can hold a door etc. and can slide the case,
An engaging body that is swingably provided on the slider and whose tip portion enters the cam groove.
A spring that urges the slider forward with respect to the case.
The cam groove opens and closes so that when the slider is pushed, the slider remains in the rear locked position, and when the slider is pushed again, the slider is released from the locked position and moves forward. In the device
At least one groove is formed in the lid body on which the cam groove is formed, and the cam groove is formed.
The slider is provided with a protrusion that enters the groove.
The protrusion of the slider is abutted against the front end of the groove of the lid to limit the forward movement of the slider.
A switchgear provided with a cushioning material at the front end of the groove of the lid. The lid body is formed with orthogonal grooves connected to the front ends of the pair of grooves.
The switchgear according to claim 3, wherein a cushioning material is arranged in the orthogonal groove.

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