JP2008261131A - Push latch device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a push latch device which ensures a good appearance thereof by little protruding a hook receiving member from a case, and prevents unusual sound from occurring at the time of push operation. <P>SOLUTION: According to the structure of the push latch device, a hook member 12 has an engaging recess 12a formed in an upper surface thereof, and the hook receiving member 7 has an engaging claw 73 for fitting into the engaging recess 12a and engaging with the same. The hook receiving member 7 is arranged in a push latch body 1 in a longitudinally movable manner, and a sliding member 6 is movably arranged behind the hook receiving member 7. The hook member 12 is connected to the sliding member 6 in a manner slidable at right angles to a moving direction. When the hook receiving member 7 is pressed and moved backward upon entry of the hook member 12, the hook receiving member 7 presses the engaging claw 73 to the engaging recess 12a formed in the hook member 12, and thus the hook receiving member engages with the hook member. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a push latch device used for furniture doors and the like, and more particularly, to a push latch device capable of reducing the length of a hook receiving member projecting from a main body case to the front and preventing abnormal noise.

  2. Description of the Related Art Conventionally, a push latch that operates so that a door such as furniture is locked in a closed state and the door is opened when the door is pushed in the locked state is known in Patent Document 1 below. This type of push latch is usually attached to the inside of the free end of the door with the hook part facing the housing side, the main body case is attached to the inner side of the opening surface of the housing, and the front part of the main body case. A pair of holding arms, like an insect wing, protrudes so that it opens wide in the front.

For this reason, especially in the state where the door is opened, there is a problem that the pair of holding arms protruding greatly from the main body case is very conspicuous, the appearance of the main body case is poor, and the appearance of furniture and the like is deteriorated accordingly.
JP-A-7-34746

  Furthermore, in this type of conventional push latch, a lever member made of a spring metal wire is built in the main body case, and the end of this lever member slides in a heart-shaped groove with spring elasticity to open the door. Operation and lock operation are performed. For this reason, every time the hook portion of the door is pushed, the tip of the lever member is fitted into the holding position in the groove, so that there is a problem that an abnormal noise such as a ticking is generated at every push operation. there were.

  The present invention solves the above-described problems, and an object of the present invention is to provide a push latch device that can ensure a good appearance without substantially protruding a hook receiving member from a case. Furthermore, an object of the present invention is to provide a push latch device that can prevent the generation of abnormal noise during a push operation.

  The push latch device according to the first aspect of the present invention engages the hook member with the hook receiving member by inserting the hook member into the push latch main body and pushing the hook receiving member within the push latch main body. In the push latch device that locks and releases the lock of the hook member by re-pressing the hook member in the locked state, a locking recess is formed in a part of the hook member, while the hook receiver The member is fitted and locked in the locking recess, and is provided with a locking claw portion. The hook receiving member is disposed so as to be movable back and forth in the push latch body, and in the push latch body. A slide member is movably disposed behind the hook receiving member, the hook member is slidably connected to the slide member in a direction perpendicular to the moving direction, and is connected to the spring member. When the slide member is urged forward and the hook receiving member is pushed in and moved rearward by the entry of the hook member, the hook receiving member moves the locking claw portion into the locking recess of the hook member. It moves in the pressing direction.

  Here, in the above push latch device, guide grooves are formed on both sides in the push latch body, and guide pins that can be engaged with the guide grooves are provided on both sides of the hook receiving member. The guide groove can be formed by bending so that the hook receiving member moves in a direction of pressing the locking claw portion against the locking recess of the hook member when the hook is moved backward.

  In the push latch device of the second invention, the hook member is inserted into the push latch main body, and the hook receiving member in the push latch main body is pushed in, thereby locking the hook member to the hook receiving member. In the push latch device that releases the lock of the hook member by re-pressing the hook member in the locked state, a slide member is movably disposed behind the hook receiving member in the push latch body. When the hook member is pushed into the push latch body, when the hook member is locked to the hook receiving member, the slide member is locked, and the hook member is pushed again in the locked state. A lock mechanism for releasing the lock of the slide member is provided, and the lock mechanism is provided in the push latch main body or its lid. A disc engaging member made of synthetic resin is rotatably supported on the inner side of the disc, and an engaging pin projects from the disc engaging member at a position deviated from the axis of the disc engaging member. An annular guide groove that engages with the engagement pin is formed in a part of the slide member, and the annular guide groove is provided with a lock holding portion that holds the engagement pin when the slide member is locked, and An opening holding portion for holding the engagement pin when the slide member is advanced by releasing the lock of the slide member is provided.

  Here, in the push latch device, a circular concave portion into which the disk engaging member can be inserted and a shaft hole are formed in the push latch main body or inside the lid body of the push latch main body. The shaft of the engaging member can be inserted into the shaft hole, and the disk engaging member can be rotatably inserted into the circular recess.

  According to the push latch device of the first invention of the present application, when the hook receiving member is pushed in by the hook member and moves rearward, the hook receiving member presses the locking claw portion against the locking recess of the hook member. Since the hook member is locked by being locked to the hook receiving member, it is not necessary to project a pair of holding arms to open to the front of the main body unlike the conventional device, and the push latch With the hook receiving member waiting in the body, the hook member can enter and be locked into the main body, the appearance of the push latch device is improved without almost protruding the hook receiving member from the case, furniture etc. The appearance of can also be kept good.

  Further, according to the push latch device of the second aspect of the invention, during the push operation for locking, the engaging pin of the disc engaging member made of synthetic resin is held by the lock holding portion of the annular guide groove of the sliding member and slides. Even when the member and the hook receiving member are locked and the push operation is performed to release the lock, the engaging pin of the disk engaging member is held by the opening holding portion of the annular guide groove of the slide member and the hook receiving member is released. Therefore, compared with a conventional push latch device in which the tip of a lever member made of a spring metal wire is engaged in a heart-shaped groove with spring elasticity, it is possible to eliminate almost all the noise of tick during push operation. It can be used quietly and comfortably without any discomfort.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 1 shows a perspective view of the push latch device, FIG. 2 shows an exploded side view of the push latch body 1, and FIG. 3 shows an exploded plan view thereof. The body case 2 of the push latch body 1 is formed in a substantially rectangular parallelepiped box shape, a rectangular front opening 22 is formed in the front, and a bottom opening is formed in the bottom. The hook member 12 on the door side enters the front opening 22 so that it can be latched, and the bottom opening is closed by the lid 5 with each member assembled in the case.

  The main body case 2 has a mounting surface as a bottom surface, and is attached to a mounting surface such as furniture (various surfaces such as an upper surface, a lower surface, and a side surface of a cabinet) in various postures. The bottom of the push latch device will be described below, and the opposite side of the main body case 2 will be described.

  On both side portions of the main body case 2, mounting portions 21 provided with mounting holes (long holes) project so as to protrude on both sides. A mounting screw is inserted into the mounting hole and screwed into the surface to be mounted. To fix. A rib 23 is erected on the attachment portion 21 along the side wall to reinforce the attachment portion 21. Inside the main body case 2, a spring holding portion for holding the end portion of the spring member (compression coil spring) 9 is provided on the end wall portion, and a pair of plate-shaped guide grooves are provided on the inner side wall of the case. An assembly recess is formed for assembling the members 3 and 4.

  As shown in FIG. 5, the pair of guide groove members 3 and 4 are formed in a rectangular plate-like member, and two guide grooves 31 and 32 and guide grooves 41 and 42 are formed on one surface of each member. Each is formed in parallel. These guide grooves 31, 32, 41, 42 are horizontally extended from the front part near the front opening 22 toward the back, and are gradually bent from the vicinity of the middle part to the bottom part side. The rear end portions of the rear portions 32, 41, and 42 are formed so as to be located one step below (bottom side) from the front side. The guide groove members 3 and 4 are attached to both side wall portions in the main body case 2 and assembled so that the guide grooves 31, 32, 41 and 42 face each other on both side wall portions. In these guide grooves 31, 32, 41, 42, two pairs of guide pins 71, 72 projecting on both sides of a hook receiving member 7 described later are slidably fitted.

  The hook receiving member 7 slides back and forth in the main body case 2 while being guided by the guide grooves 31, 32, 41, 42, and when the hook receiving member 7 moves to the front front side, the hook member 12 on the door side is unlocked. The door-side hook member 12 is configured to be held and locked to the hook receiving member 7 when moved to the rear back side. The locking claw portion 73 of the hook receiving member 7 has a protrusion protruding on the lower side so that the lower portion thereof is locked to the locking recess 12 a of the hook member 12.

  For this reason, two pairs of guide grooves 31, 32, 41, 42 of the guide groove members 3, 4 mounted on both side walls in the main body case 2 have hook receiving members in the vicinity of the front portion located on the front side thereof. An unlocking groove for moving 7 to the opposite bottom side is formed on the opposite bottom side, that is, the upper surface side. On the other hand, a locking groove portion is formed on the bottom side so that the hook receiving member 7 is moved to the bottom side in the vicinity of the back portion located on the rear side.

  In the main body case 2, the slide member 6 and the hook receiving member 7 are accommodated so as to be slidable in the front-rear direction together with the slide member 6 at the back and the hook receiving member 7 connected to the front portion. As shown in FIG. 8, the slide member 6 is accommodated in the main body case 2 and formed in a substantially rectangular parallelepiped shape so as to be slidable in the front-rear direction, that is, in the left-right direction in FIG. The annular guide groove 61 is formed, and a spring accommodating portion 62 for accommodating the spring member 9 is formed from the rear surface to the inside. A dovetail groove 63 for engaging and connecting with the hook receiving member 7 is formed in the front portion (front side) of the slide member 6. A fitting portion 74 of a hook receiving member 7 to be described later is fitted and connected to the dovetail groove 63 so as to be slidable in the vertical direction, that is, in a direction perpendicular to the front-rear moving direction of the hook receiving member 7.

  As shown in FIG. 14, the engagement pin 81 of the disc engagement member 8 is engaged with the substantially heart-shaped annular guide groove 61. Then, when the hook receiving member 7 is pushed rearward by the door side hook member 12, the engagement pin 81 is arranged so that the slide member 6 slides back and stops the hook receiving member 7 at the hook locking position. When the annular guide groove 61 is held and then pushed in, the holding state is released, and the slide member 6 and the hook receiving member 7 are slidable to the hook release position.

  For this purpose, the heart-shaped annular guide groove 61 is provided with an open holding portion 61a for holding the engagement pin 81 in the open position and a lock holding portion 61b for holding the lock pin 81 in the lock position, as shown in FIG. The open holding portion 61a of the annular guide groove 61 is formed so as to hold the engagement pin 81 and stop the slide member 6 at the open position where the hook receiving member 7 is pushed out to the front. Further, the lock holding portion 61b is formed in the annular guide groove 61 so as to hold the slide member 6 in the locked position when the hook receiving member 7 is pushed into the inside of the main body case 2 and the hook member 12 is locked. Is formed.

  A hook receiving member 7 that receives and locks the door-side hook member 12 is coupled to the front portion of the slide member 6. As shown in FIG. 12, the hook receiving member 7 is accommodated in the main body case 2 so as to be slidable in the front-rear direction, and a locking claw 73 is formed on the front portion thereof so as to face forward. When the hook member 12 on the side is pushed in, the locking claw portion 73 receives and locks the hook member 12.

  As shown in FIG. 1, the hook member 12 is formed with a locking recess 12a on the upper surface in the vicinity of its tip, and a locking claw 73 is fitted and locked to the locking recess 12a. That is, the locking claw 73 is formed with a locking bulge on the lower side so that the hook member 12 is locked on the lower side. When the hook member 12 is received at a position near the front opening in the main body case 2 and the hook receiving member 7 is moved downward, the hook member 12 is engaged with the hooking claw portion of the hook receiving member 7. 73 is configured to be locked to 73. Two pairs of guide pins 71 and 72 project from both sides of the hook receiving member 7 and are slidably fitted into guide grooves 31, 32, 41 and 42 located on both side walls of the main body case 2. The hook receiving operation of the hook receiving member 7 is given by these guide grooves and guide pins.

  For this purpose, a dovetail-shaped fitting portion 74 is formed at the rear portion of the hook receiving member 7, and this fitting portion 74 is connected to the dovetail groove 63 of the slide member 6 so as to be slidable in the vertical direction. . In other words, the fitting portion 74 is loosely fitted in the dovetail groove 63, and the hook receiving member 7 is connected to the guide pins 71, 72 and the guide grooves 31, 32, while the hook receiving member 7 and the slide member 6 move back and forth. By the action of 41 and 42, it is structured to slide up and down. Thus, when the hook receiving member 7 and the slide member 6 are located at the front part, the hook receiving member 7 is located above the main body case 2 and descends inside the case when pushed into the rear part, thereby The hook member 12 on the side can be abutted and fitted to be locked.

  When assembling the hook receiving member 7 and the slide member 6 in the main body case 2, as shown in FIGS. The slide member 6 and the hook receiving member 7 are inserted into the main body case 2 from the front opening 22 with the spring member 9 fitted into the spring housing portion 62 of the slide member 6 from below. At this time, the end portion of the spring member 9 is fitted into the holding portion at the center of the rear portion in the main body case 2, and the two pairs of guide pins 71 and 72 projecting on both sides of the hook receiving member 7 are connected to both side walls in the main body case 2. It is made to fit in the guide grooves 31, 32, 41, 42 of the part.

  And it fits so that the cover body 5 which attached the disc engaging member 8 may be covered in the opening part of the bottom part of the main body case 2. FIG. At this time, the lid 5 is mounted so that the engaging pin 81 of the disc engaging member 8 is fitted into the annular guide groove 61 on the bottom surface of the slide member 6. As shown in FIG. 6, the lid 5 is formed in a substantially rectangular plate shape, and a circular concave portion 51 is formed on the upper surface on the rear side thereof, and the disc engaging member 8 is rotatable in the circular concave portion 51. It is inserted in. At this time, the shaft 82 protruding from the lower surface of the disk engaging member 8 is fitted into a shaft hole provided at the center of the circular recess 51.

  Further, a push-up portion 52 is formed on the upper surface of the front portion of the lid 5 so as to protrude upward in an arc shape. The lid 5 is fitted so as to close the opening at the bottom of the main body case 2. At this time, the push-up portion 52 protruding upward in an arc shape is formed on the hook receiving member 7 as shown in FIG. Located directly below. Thereby, when the hook member 12 on the door side enters the lower side of the hook receiving member 7 from the front opening 22, the hook member 12 is pushed upward by the pushing-up portion 52, and the hooking claw portion of the hook receiving member 7 is 73 and the hook member 12 can be securely held.

  On the other hand, as shown in FIG. 10, the hook portion 10 attached to the door side is attached to the hook attachment portion 11 so that the hook member 12 can be moved up and down although it is in a slight adjustment range. The hook attaching portion 11 is formed in a plate shape, and a rectangular opening 14 is formed at the center, and the flange 15 of the hook member 12 is fitted to the opening 14 so as to be movable up and down.

  On both sides of the central opening of the hook attachment portion 11, attachment holes 13 for inserting attachment screws are formed as long holes. The hook member 12 is formed with a locking recess 12 a facing upward on the top surface of the tip, and a rectangular plate-like flange 15 is provided through a groove 16 at its base.

  On the other hand, a thin edge portion is formed along the inner side of the opening portion 14 of the hook mounting portion 11, and the edge portion of the opening portion 14 is fitted into the groove 16 of the base portion of the hook member 12, Thereby, the hook member 12 can be moved in a slight range up and down with respect to the hook mounting portion 11. Further, the flange 15 of the hook member 12 enters the opening 14 of the hook attachment portion 11 when attached, and the back surface of the flange 15 is formed so as to substantially coincide with the attachment surface of the hook attachment portion 11. Thereby, when attaching the hook part 10 inside a door, the vertical position of the hook member 12 can be adjusted to the best state at the time of the temporary fix | stop. Further, the members of the push latch main body 1 and the hook portion 10 configured as described above are manufactured by being molded from a synthetic resin such as polyacetal resin except for the spring member 9.

  Next, the operation of the push latch device configured as described above will be described. As shown in FIG. 12, the push latch body 1 having the above configuration is fixed to a mounting surface 90 such as a bottom plate, an upper plate, a side plate, etc., such as a furniture cabinet, and the hook portion 10 is mounted inside the cabinet door. It is used by being fixed to the surface 91. The push latch main body 1 is inserted into the mounting portions 21 on both sides of the main body case 2 so that the front opening 22 is positioned at the front front portion of the mounting surface 90 and fixed to the mounting surface 90 by screwing. Is done.

  On the other hand, when the hook part 10 is attached to a corresponding attachment surface 91 such as a door, the attachment screw is inserted into the attachment hole 13 to fix the hook attachment part 11 and the hook member 12. First, the attachment screw is loosely temporarily fixed. The hook member 12 is slightly movable up and down. In this state, after adjusting the vertical position of the hook member 12 so that the hook member 12 enters the push latch main body 1 and can actually be locked and unlocked, the mounting screw is completely tightened to hook portion 10. To completely fix. Thereby, each member is attached in a state where the insertion height position of the front opening 22 of the push latch body 1 and the height position of the hook member 12 of the hook portion 10 are accurately matched.

  As shown in FIGS. 1 and 12, the push latch main body 1 attached to the attachment surface 90 is attached with the front portion facing the front side. The large claw-shaped holding arm is not exposed as in the conventional push latch device by just looking into the locking claw 73 of the member 7 slightly. For this reason, the appearance of the push latch main body 1 does not stand out, and the appearance does not deteriorate.

  When the door is closed with respect to the cabinet or the like, as shown in FIGS. 12 and 13, the hook member 12 of the hook portion 10 fixed to the attached surface 91 enters the front opening 22 of the push latch main body 1. At this time, in the push latch main body 1, the hook receiving member 7 is positioned at the uppermost part in the main body case 2, and a space is formed below the hook receiving member 7. The hook member 12 enters the space below the locking claw 73 of the hook receiving member 7, contacts the hook receiving member 7, and pushes it into the back (rear).

  At this time, the hook receiving member 7 descends in the main body case 2 while moving backward by the action of the guide pins 71, 72 and the guide grooves 31, 32, 41, 42 on both sides thereof. As shown in the middle figure, the position of the locking claw 73 of the hook receiving member 7 is lowered. At the same time, while the hook member 12 enters the main body case 2, the hook member 12 is pushed upward by the push-up portion 52 of the lid body 5, whereby the hook member 12 and the locking claw portion 73 are locked and locked. .

  At this time, the slide member 6 moves rearward together with the hook receiving member 7, and at this time, as shown in FIGS. 14 a to 14 b, the annular guide groove 61 moves relative to the engagement pin 81 and pushes when the door is closed. When the operating force is released, the engagement pin 81 is held by the lock holding portion 61 b of the annular guide groove 61. Further, as described above, since the hook member 12 is pushed up by the push-up portion 52 from below as shown in FIG. 12, the hook member 12 is reliably locked to the hook receiving member 7 and the locked state is maintained.

  As described above, when the hook member 12 and the locking claw 73 are locked and locked, the disc engaging member 8 made of synthetic resin is slightly rotated and the engaging pin 81 is connected to the annular guide groove 61. Since only the lock holding portion 61b is entered, the locking operation is performed smoothly, and the ticking noise does not occur as in the prior art, and the lock state is quietly entered.

  On the other hand, when the door is locked as described above, the door is pushed as shown in the lower diagrams of FIGS. At this time, the slide member 6 moves slightly rearward via the hook member 12 and the hook receiving member 7, so that the annular guide groove 61 moves relative to the engagement pin 81 as shown in FIGS. 14 b to 14 c. The engaging pin 81 moves out of the lock holding portion 61b. Next, when the push operation force is released from the pushed door, the slide member 6 moves forward together with the hook receiving member 7 by the spring force of the spring member 9, and at this time, the engagement pin 81 passes through the annular guide groove 61, It enters the open holding portion 61a of FIG.

  That is, the hook receiving member 7 is moved forward by the action of the guide pins 71, 72 and the guide grooves 31, 32, 41, 42, and ascends in the main body case 2, whereby the upper portion of FIG. As described above, the hook member 12 and the locking claw 73 are disengaged, the hook member 12 is pushed forward, and the door is opened. Also at this time, the disc engaging member 8 made of synthetic resin is slightly rotated so that the engaging pin 81 passes only through the annular guide groove 61 and enters the open holding portion 61a of FIG. Is released smoothly, and no noise such as a conventional ticking is generated, and the lock is gently released.

  Thus, according to the push latch device having the above-described structure, unlike the conventional push latch device, it is not necessary to project the pair of holding arms so as to open to the front of the main body, and the push latch device 1 is provided in the push latch main body 1. With the hook receiving member 7 in a standby state, the hook member 12 can enter and be locked into the main body, and the appearance of the push latch device can be improved without almost protruding the hook receiving member 7 from the main body case 2, The appearance of furniture and the like can also be maintained well.

  Further, at the time of a push operation for locking, the engaging pin 81 of the disc engaging member 8 made of synthetic resin is held by the lock holding portion 61b of the annular guide groove 61 of the slide member 6, and the slide member 6 and the hook receiving member 7 is locked, and even during a push operation when unlocking, the engaging pin 81 of the disc engaging member 8 is held by the open holding portion 61a of the annular guide groove 61 of the slide member 6, and the hook receiving member 7 is Because it is opened, compared with the conventional push latch device in which the tip of the lever member made of spring metal wire is engaged in the heart-shaped groove with spring elasticity, there is almost no ticking noise during push operation. It can be used comfortably without a sense of incongruity.

  In the above embodiment, the locking recess 12a is provided on the upper surface in the vicinity of the tip of the hook member 12, the locking claw 73 is formed downward on the hook receiving member 7, and the hook member is formed in the lower space. 12 is entered and locked and locked. However, the space for entering and locking the hook member can be provided on the upper side, the left side, or the right side of the hook receiving member. The engaging recesses of the hook member may be provided on the side of the hook receiving member.

  Moreover, in the said embodiment, although the guide groove members 3 and 4 as another members were assembled | attached in the main body case 2, a guide groove can also be formed in the inner wall of a main body case. In the above embodiment, the push-up portion 52 and the circular concave portion for the disk engaging member 8 are provided inside the lid 5 of the main body case 2, but these can also be provided inside the main body case.

It is a perspective view of a push latch device showing one embodiment of the present invention. It is an exploded side view of the push latch device. It is a disassembled plan view of the push latch device. It is the top view (a) and right view (b) of the main body case of a push latch main body. They are a top view (a) and a right side view (b) of the guide groove member 3, and a plan view (c) and a right side view (d) of the guide groove member 4. It is the top view (a), right view (b), and front view (c) of a cover body. It is the top view (a) and right view (b) of a disc engaging member. It is the top view (a), right side view (b), and bottom view (c) of a slide member. They are a top view (a), a right side view (b), and a front view (c) of the hook receiving member. They are a front view (a) of a hook part, an exploded left side view (b) of the hook part, and an exploded plan view (c). 3 is a cross-sectional view of the hook unit 10 when used. FIG. It is longitudinal cross-sectional explanatory drawing which shows the use condition of a push latch apparatus. It is horizontal cross-section explanatory drawing which shows the use condition of a push latch apparatus. FIG. 10 is an operation explanatory view showing an engagement state between the annular guide groove 61 and the engagement pin 81.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Push latch main body 2 Main body case 3 Guide groove member 4 Guide groove member 5 Cover body 6 Slide member 7 Hook receiving member 8 Disc engaging member 10 Hook part 12 Hook member 21 Mounting part 22 Front opening part 31 Guide groove 41 Guide groove 51 circular recess 61 annular guide groove 61a open holding part 61b lock holding part 71 guide pin 73 locking claw part 74 fitting part 81 engaging pin 82 shaft

Claims (4)

The hook member is inserted into the push latch main body, and the hook receiving member in the push latch main body is pushed in, thereby locking the hook member to the hook receiving member and locking the hook member in the locked state. In the push latch device that releases the lock of the hook member by re-pressing,
A hooking recess is formed in a part of the hook member, and the hook receiving member is fitted with and locked in the locking recess and is provided with a locking claw portion. And a slide member is movably disposed behind the hook receiving member in the push latch body, and the hook member is perpendicular to the moving direction with respect to the slide member. Slidably connected in the direction, the slide member is biased forward by a spring member, and when the hook receiving member is pushed and moved rearward by the entry of the hook member, the hook receiving member is locked. A push latch device, wherein the claw portion is moved in a direction to press against the locking recess of the hook member.   When guide grooves are formed on both sides of the push latch body, guide pins that can be engaged with the guide grooves are protruded on both sides of the hook receiving member, and when the hook receiving member is pushed and moved backward, 2. The push latch device according to claim 1, wherein the guide groove is formed to be bent so that the hook receiving member moves in a direction of pressing the locking claw portion against the locking recess of the hook member. The hook member is inserted into the push latch main body, and the hook receiving member in the push latch main body is pushed in, thereby locking the hook member to the hook receiving member and locking the hook member in the locked state. In the push latch device that releases the lock of the hook member by re-pressing,
A slide member is movably disposed behind the hook receiving member in the push latch body, and the hook member is locked to the hook receiving member when the hook member is pushed into the push latch body. A locking mechanism is provided for locking the sliding member and releasing the locking of the sliding member by re-pressing the hook member in the locked state, and the locking mechanism is provided in the push latch body or the push latch. A disc engaging member made of synthetic resin is rotatably supported inside the lid of the main body, and an engaging pin projects from the disc engaging member at a position deviated from the axis of the disc engaging member. An annular guide groove that is engaged with the engagement pin is formed in a part of the slide member, and the annular guide groove has a lock holding portion that holds the engagement pin when the slide member is locked. Setting It is, and push latch apparatus characterized by holding-open portion in which the slide member engaging pin when advancing the sliding member opens the lock is held is provided on the annular guide groove. A circular recess into which the disk engaging member can be inserted is formed in the push latch main body or inside the lid body of the push latch main body and a shaft hole is formed, and the disk engaging member has its axis on the axis. 4. The push latch device according to claim 3, wherein the push latch device is inserted into the hole and rotatably inserted into the circular recess.

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