JP3026885U - Pull button latch device - Google Patents

Abstract

(57) [Abstract] (Corrected) [PROBLEMS] To provide a pull button latch lock that reliably operates without loosening of screwing of a handle fixing screw and a pull button even after long-term use. SOLUTION: A spring accommodating portion 8 is provided at an end portion and a cam surface 10 is provided at a central portion.
A guide protrusion 6 that is slidably fitted in the guide groove of the outer case, and includes an outer case 1 having a guide groove 2 formed therein and an inner case 14 that encloses the latch body. The U-shaped slide body 4 having the above is inserted, the inner case is inserted into the outer case, and the U-shaped slide body is brought into contact with the cam surface of the latch body. A handle guide in which a head-holding handle fixing screw 19 is passed through the position adjusting through holes 6 and 9 of the latch body and the inner case to be gripped by a U-shaped slide body and further fitted to a guide bush 21 fixed to a door. It is inserted through 25 and protrudes to the front side to the front side, and is screwed to the pull button 26. The handle guide that fits into the guide bush allows it to be inserted and removed and not rotatable.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention completely closes doors, lids, etc. that can be freely opened and closed with respect to cabinets with openings such as various cabinets, cabinets, automobile dashboards, etc. by locking latches when closing them. The present invention relates to a pull button latch device in which a door is freely opened and opened by simply pulling a pull button on a lid when the door is opened to release the constraint with one touch.

[0002]

[Prior art]

 Conventionally, a pull button latch device of this type is the lock device 2 described in U.S. Pat. No. 3,830,535. It has a housing member 14 with opposed walls 16 and 18 made of sheet metal, from which cutout tabs 20 are cut out on both sides and project out of the plane defined by the walls 16 and 18. The locking device 2 is attached to the door 4 by a hole 22 provided in the door 4. The opposed walls 16,18 are provided with aligned opposed slots 24,26 for receiving drive shaft members. And, as shown in FIG. 5, the housing member 14 has a continuous horizontal wall 28 and a discontinuous wall 30 on the opposite side thereof, which together with the wall 32 open the front face for the latch member 34. Forming a guide route for the mold In this embodiment, the housing member 14 is made of metal and the walls are made of a single piece, such as by pressing, but the housing member 14 can be made of other materials and by other manufacturing techniques. Is.

The latch member 34 is closely housed in the housing member 14, has an arcuate latch portion 36, and has a V-shaped curved intermediate cam surface portion 38. In the case of the present embodiment, the latch member 34 is a plastic molded product, and is provided with a cutout portion in order to save the material and the weight of the locking device 2. The notch 40 at the bottom is provided so that the coil spring 42 fits between the notch 40 of the latch member 34 and the partial rear wall 32 of the housing member 14 during assembly. When the coil spring 42 is arranged in the housing member 14, the latch member 34 can reciprocate inward and outward of the housing member 14 as shown in FIG. The wall 28 of the housing member 14 is provided with a through hole 44 having an appropriate diameter for receiving the protruding portion of the operation drive shaft 46. The operation drive shaft 46 has a stem portion 48, one end 50 of which is threaded so that the knob 12 can be screwed.

On the other hand, the operation drive shaft 46 has a T-shaped upper end 52, and a T-shaped protrusion 54 is received by the opposing slots 24 and 26, and these slots move the drive shaft 46. It becomes the guide groove. The upper portion of the drive shaft 46, which is designated by reference numeral 56, is a curved surface so that the cam surface 38 provided on the latch member 34 can smoothly ride on the cam surface 38. When the drive shaft 46 is passed through the through hole 44, the two tabs 54 are aligned with the slots 24 and 26, and the knob 12 is attached to the threaded end 50 of the drive shaft 46, the drive shaft 46 is latched. It is possible to maintain an operable relative positional relationship with the member 34.

[0005]

[Problems to be solved by the device]

 However, in the lock device 2 described in the above-mentioned US Pat. No. 3,830,535, when the knob 12 is grasped and pulled when the closed door 4 is opened, the T of the upper end portion 52 of the operation drive shaft 46 is pulled. The protrusion 54 having a shape moves while being restrained by the opposing slots 24 and 26, and the curved surface 56 of the upper end 52 thereof engages with the cam surface 38 of the latch member 34, thereby retracting the latch member 34. , The engagement between the stopper 36 and the seat 8 on the standing frame 6 of the cabinet is released, and the stopper of the locking device 2 is released by this single operation, and the door 4 is placed in the open position. When mounting the locking device to the cabinet door 4, the mutual positional relationship between the stopper fitting 36 of the latch member 34 and the seat 8 on the standing frame 6 of the cabinet may not be accurate, and therefore the door 4 Housing part fixed to 14 need to fine tune results in a mounting position of the.

However, in the above-described known locking device, the curved surface 56 of the upper end portion 52 that engages with the cam surface 38 of the latch member 34 is formed integrally with the operation drive shaft 46, so that the locking device is mounted on the door 4 of the cabinet. At the time of mounting, there is a drawback that the mounting position of the housing member 14 fixed to the door 4 cannot be finely adjusted. Therefore, in the above-mentioned locking device, the through hole 10 formed in the door 4 is formed larger than necessary in order to finely adjust the mounting position of the housing member 14, and the operation drive shaft 46 inserted in the through hole 10 is formed in the through hole. Although it is moved within the housing 10 to finely adjust the mounting position of the housing member 14, this structure causes the operation drive shaft 46 to "play" within the through hole 10, so that the knob 12 may loosen during use. At last, it slips out, or the engagement between the curved surface 56 of the upper end 52 of the operation drive shaft 46 and the cam surface 38 of the latch member 34 becomes uncertain, and at the end, even if the knob 12 is pulled, the catch 8 and the latch 8 are pulled. There is a drawback that the door cannot be opened because the engagement of the member 34 with the stopper 36 does not come off.

The present invention has been made in view of the above circumstances, in which a head-attached handle fixing screw and a U-shaped slide body are provided separately, and the head-attached handle fixing screw is sandwiched between the U-shaped slide bodies. This allows fine adjustment of the mounting position of the outer case to the door.In addition, the screw for fixing the handle with the head can be inserted into and removed from the door and cannot be rotated. It is an object of the present invention to provide a pull button latch device that does not loosen even when worn for a long period of time and operates reliably.

[0008]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention has a rectangular outer case having position adjusting stop holes at both ends in the longitudinal direction, guide grooves provided inside, and arcuate contact bodies on both sides. A U-shaped slide body provided with a protrusion, a spring accommodating portion at an end portion, a cam surface at a central portion, and a latch body which can be engaged with and disengaged from a seat, and an inner case which holds the latch body. The U-shaped slide body is inserted into the guide groove of the outer case by the guide protrusion, and the inner case in a state in which the latch body having the spring mounted in the spring accommodating portion is held is Inserted inside, the cam surface of the latch body is brought into contact with the arcuate contact body of the U-shaped slide body, and the head-holding handle fixing screw clamped by the U-shaped slide body is held in the latch body and the inner case. Through the respective position adjustment through holes, and further to the front side of the door It is characterized in that it can be inserted / removed with respect to the handle, and it is projected in a non-rotatable state, and a pull button is screwed into the tip screw part of the handle fixing screw. Insert the slide body, and then insert the inner case with the latch body with the coil spring mounted in the spring accommodating portion into the outer case, and make the arc-shaped contact of the U-shaped slide body. The cam face of the latch body is brought into contact with the body, and the handle fixing screw with a head, which is clamped by the U-shaped slide body, penetrates through the position adjusting through holes of the latch body and the inner case, and is further fixed to the door. It can be inserted into and removed from the door by inserting it through the inside of the handle guide that fits into the handle guide bush, projecting to the front side of the door, and screwing the pull button to the tip screw part of the handle fixing screw. Possible It is characterized in that the. A polygonal shaft hole is provided in the handle guide bush, and the outer shape of the handle guide having a shaft hole through which the other handle fixing screw is inserted can be fitted into the polygonal shaft hole. There is.

[0009] Further, a rectangular outer case having stop holes for position adjustment at both longitudinal ends and a guide groove provided inside, and a U-shape having arcuate contact bodies and guide protrusions on both sides. It comprises a slide body, a spring body at the end, a cam surface at the center, and a latch body that can be engaged with and disengaged from the seat, and an inner case that holds the latch body. The U-shaped slide body is inserted into the inner groove by the guide projection, and the inner case with the latch body having the spring attached to the spring accommodating portion is held therein is inserted into the outer case. , The cam surface of the latch body is brought into contact with the arcuate contact body of the U-shaped slide body, and the head-attached handle fixing screw clamped by the U-shaped slide body through the fixing screw holding body Insert the through holes for adjusting the position of each case, and The pull button is screwed onto the tip screw portion of the handle fixing screw, and the pull button is screwed to the tip screw portion of the handle fixing screw. The U-shaped slide body is inserted, and further, the inner case in which the latch main body in which the coil spring is mounted in the spring accommodating portion is held is inserted into the outer case, and the arc-shaped U-shaped slide body is formed. The contact surface of the latch body with the cam surface of the latch body, and the fixing screws with head that are clamped by the U-shaped slide body through the fixing screw holders for adjusting the position of the latch body and the inner case respectively. The hole is penetrated, and it is inserted into the handle guide that fits into the handle guide bush fixed to the door so that it protrudes to the front side of the door, and the pull button is screwed to the tip screw part of the handle fixing screw. Without It is characterized in possible, and it was impossible rotated.

[0010]

[Embodiment of device]

 Next, an embodiment of the present invention will be described. When the pull button latch device according to the present invention is attached to a cabinet, first, there is a position adjusting stop hole at both ends in the longitudinal direction, and a pair of guide grooves provided inside the rectangular outer case is provided with guides provided on both sides. The U-shaped slide body is inserted by the protrusion, and the latch main body is held in the arm portion of the inner case while the coil spring is attached to the spring accommodating portion of the latch main body. In that state, the inner case is placed in the outer case. Insert and incorporate. In this assembled state, the latch at the tip of the latch body projects from the window of the outer case, and the arcuate contact bodies formed on both sides of the U-shaped slide body are in contact with the cam surface at the center of the latch body. Next, drill a through hole in the cabinet door where the handle guide bush is attached, and press fit the handle guide bush equipped with a retainer and a rotation stopper on the outer periphery into the through hole, and fix the handle guide bush inside the handle guide bush. Attach the handle guide that has an octagonal outer periphery to the octagonal shaft hole and that has a shaft hole into which the handle fixing screw can be inserted and removed so that the handle guide cannot rotate.

After that, a head holding screw is inserted through the through hole of the outer case, and the through holes for adjusting the positions of the latch body and the inner case are penetrated from the central space of the U-shaped slide body in the outer case. Then, the handle guide bush fixed to the door is inserted through the handle guide so as to project to the front side of the door. At this time, the head-attached handle fixing screw is clamped in the central space of the U-shaped slide body, and the head is brought into contact with the U-shaped slide body. Next, check if the latch at the tip of the latch body is in the correct position with respect to the seat attached to the cabinet.If the position is not correct, adjust the position of the outer case and receive it. Fine tune the seat and latch to engage properly. During this fine adjustment, the U-shaped slide body, the latch body, and the inner case move easily together with the outer case. Further, when the above fine adjustment operation is completed, a pull button is screwed onto the tip screw part of the handle fixing screw protruding to the front side of the door, and the dish-shaped head formed at one end of the handle guide is pressed by the bottom part of the pull button. Then, the other end of this handle guide is fastened to the shaft part of the handle fixing screw to prevent the headed handle fixing screw from rotating as a unit, and finally, the outer case is attached to the cabinet door at both longitudinal ends thereof. Secure it in the correct position by using wood screws.

Therefore, when the door is opened, the pull-buttons are simply pulled and the arc-shaped contact bodies formed on both sides of the U-shaped slide body press the cam surface of the latch body, so that the latch body compresses the coil spring. The door can be opened with one touch at the same time as the latch on the tip of the latch body and the catch are released from the lock. On the other hand, to close the door, simply push the door itself and the latch of the latch body compresses the coil spring by the inclined surface of the tip of the seat, gets over the inclined surface and is locked, and the door is easily closed. . Moreover, the head-attached handle fixing screw can be inserted into and removed from the door through the handle guide bush and the handle guide, and is prevented from rotating, so that the pull button is not loosened even after long-term use.

Further, in another embodiment, since a fixing screw holding body slidable therein is interposed in the central space portion of the U-shaped slide body, the head holding handle fixing screw is inserted into the outer case. Inserted through the holes, fixing screws in the central space of the U-shaped slide body in the outer case, through the central holes of the holder and through the position adjusting through holes of the latch body and the inner case, and further fixing to the door. Insert the inside of the handle guide that fits into the handle guide bush and project it to the front side of the door. At this time, the head-holding handle fixing screw is clamped by the U-shaped slide body via the fixing screw holder that is slidable in the central space of the U-shaped slide body, and its head abuts against the fixing screw holder. To be done. Therefore, when the position of the outer case is adjusted and the position of the outer case is finely adjusted so that the seat and the latch are properly engaged, the U-shaped slide body and the fixing screw holder slide against each other. Since this is possible, this fine adjustment operation becomes extremely easy.

[0014]

【Example】

 Next, an embodiment of the pull button latch device according to the present invention will be described with reference to the drawings. FIG. 1 is an exploded perspective view of this embodiment, FIG. 2 is a front view of this embodiment, and FIG. 4 to 7 are sectional views sequentially showing a state in which the door is released from the latched state.

As shown in FIG. 1, in this embodiment, the outer case 1 is provided with guide grooves 2 on both inner sides of the box shape, and stopper holes 3 for position adjustment are formed at both ends protruding in the longitudinal direction. It has been set up. The U-shaped slide body 4 is provided with arcuate contact bodies 5 on both sides thereof and guide projections 6 on the outside thereof. Further, the latch main body 7 is provided with a spring accommodating portion 8 at its end, a through hole 9 for position adjustment is formed in the central portion, and cam surfaces 10 are formed on both sides thereof, and a cabinet 11 having an opening at the front end is provided. A latch 13 that can be engaged and disengaged is projected from a seat 12 that is fixed to any of the top plate, bottom plate, or side plate. The plate-shaped inner case 14 is provided with four protruding arm portions 15 for holding the latch body 7. The tips of the arms 15 are bent inward with respect to each other, and the position adjusting through hole 16 is formed in the center. Stop holes 17 for position adjustment are formed at both ends.

Then, in order to assemble them, the U-shaped slide body 4 is inserted into the guide groove 2 of the outer case 1 by the guide protrusion 6 of the U-shaped slide body 4, and further the coil spring 18 is attached to the latch body. 7, the latch main body 7 is held in the arm portion 15 of the inner case 14, and the coil spring 18 is compressed and the inner case 14 is placed in the outer case 1. insert. At that time, the arms 15 of the inner case 14 are slidably inserted into both inner surfaces of the box-shaped outer case 1, and the latch 13 at the tip of the latch body 7 projects from the window 1D of the outer case 1 to form a U-shape. The arcuate contact body 5 of the slide body 4 is brought into contact with the cam surface 10 of the latch body 7, and the opening 1B of the outer case 1 is closed by the inner case 14. Further, in order to mount this on the cabinet 11, a through hole 22 for attaching the handle guide bush 21 to the door 20 is drilled at a proper position, and the through hole 22 has a handle guide bush 21 provided with stoppers and rotation stoppers on the outer circumference. Is press-fitted and fixed, and a handle guide 25 having an octagonal outer periphery and a shaft hole 24 into which the handle fixing screw 19 can be inserted and removed is inserted into the octagonal shaft hole 23 in the handle guide bush 21.

After that, the headed handle fixing screw 19 is inserted from the through hole 1 A of the outer case 1 to adjust the position of the latch body 7 from the central space of the U-shaped slide body 4 mounted in the outer case 1. The through hole 9 and the through hole 16 for adjusting the position of the inner case are penetrated, and further inserted into the shaft hole 24 of the handle guide 25 which is fitted into the handle guide bush 21 fixed to the door 20, and protrudes to the front side of the door 20. Let At this time, the head-attached grip fixing screw 19 is clamped in the central space of the U-shaped slide body 4, and its head is brought into contact with the U-shaped slide body 4. Next, after the outer case 1 is temporarily fixed to the door 20 by the wood screw 34 with the position adjusting stop holes 3 and 17 provided at both ends, the outer case 1 is latched to the receiving seat 12 attached to the cabinet 1 at a predetermined position. Check if the latch 13 at the tip of the main body is in the correct position, and if it is misaligned, adjust the position of the outer case 1 to make a fine adjustment so that the catch 12 and the latch 13 are properly engaged. To do. At the time of this fine adjustment, the headed handle fixing screw 19 is inserted into the handle guide 25 and does not move, but together with the outer case 1, the U-shaped slide body 4, the latch body 7, and the inner case 14 are located in the respective central spaces. The parts, the through holes 9 for position adjustment, and the through holes 16 for position adjustment enable easy movement.

Further, when the fine adjustment operation is completed, the pull button 26 is screwed onto the tip screw portion of the handle fixing screw 19 protruding to the front side of the door 20, and is tightly tightened. One end of the handle guide 25 is secured by the bottom portion of the pull button 26. By pressing the dish-shaped head 27 formed in the above, the other end of this handle guide 25 is fastened to the shaft portion 19A of the handle fixing screw 19, and the head-attached handle fixing screw 19 is fixed to the door 20. The bush 21 and the handle guide 25 prevent the rotation. Finally, the outer case 1 including the inner case 14 is fixed to the cabinet door 20 by the wood screws 34 through the position adjusting stop holes 3 and 17 provided at both ends, and is fixed in a correct position to complete the installation work.

Next, the operation of this embodiment will be described with reference to FIGS. 4 is a sectional view taken along the line AA of FIG. 2, and FIG. 5 is a sectional view taken along the line D-D of FIG. 2 as well. In this closed state, the latch 13 at the tip of the latch body 7 is urged by the spring force of the coil spring 18. Then, it projects from the window 1D of the outer case 1 and is prevented from coming out by the locking portion 1C, and is properly engaged with the seat 12 fixed at a predetermined position of the cabinet 11. When the latch 13 at the tip of the latch main body 7 and the seat 12 are opened to open the door, pulling the pull button 26 as shown in FIGS. 6 and 7 causes the headed handle fixing screw 19 to have a U-shape. Since the head is abutted against the U-shaped slide body 4 because it is sandwiched in the central space of the U-shaped slide body 4, the U-shaped slide body 4 is pulled by the handle gripping screw 19 with a head, and both sides of the U-shaped slide body 4 are pulled. The arc-shaped contact body 5 pushes the cam surface 10 of the latch body 7, the latch body 7 moves while compressing the coil spring 18, and the latch 13 at the tip of the latch body and the catch 12 are released at the same time. The U-shaped slide body 4, the latch body 7, and the inner case 14 are pulled by the handle fixing screw 19 with a head, and the door 20 can be opened with one touch. When the pull button 26 is released after this opening / closing, the latch body 7 is pushed out by the coil spring 18, the latch 13 at the tip is projected from the window 1A of the outer case 1, and the U-shaped slide body 4 is also returned to its original position. On the contrary, when the door 20 is closed, the curved surface of the latch 13 of the latch body 7 is compressed by the tip end inclined surface 12A of the receiving seat 12 to overcome the inclined surface 12A to be locked. , The door is easily closed.

Therefore, according to the present embodiment, by pulling the pull button 26, the U-shaped slide body 4 is pulled by the grip handle with head 19 and the arc-shaped contact bodies 5 on both sides of the slide body 4 are latched. The cam body 10 is pushed, the latch body 7 moves while compressing the coil spring 18, the latch 13 at the tip of the latch body is disengaged from the catch 12, and the door 20 can be opened with one touch. At this time, since the contact body 5 that presses the cam surface 10 of the latch body 7 is formed in an arc shape, the stress caused by the head-grip fixing screw 19 is always applied to the cam surface 10 regardless of the moving state of the latch body 7. Since the latch body 7 is evenly moved, the latch body 7 moves smoothly, and the door can be opened quickly and reliably.

Further, when the present embodiment is attached to the cabinet, the work is easy because the headed handle fixing screw 19 is inserted into the handle guide 25 while being held in the central space of the U-shaped slide body 4. Even when the mounting position is finely adjusted, the U-shaped slid body 4, the latch body 7, and the inner case 14 together with the outer case 1 are provided by the respective central spaces, the position adjusting through hole 9, and the position adjusting through hole 16. It can be moved easily and the installation work can be done quickly and securely. The pull button 26 has an octagonal handle guide 25 fitted to a handle guide bush 21 fixed to the door 20, and the bottom portion of the pull button 26 presses a dish-shaped head 27 formed at one end of the handle guide 25. Since the other end of the handle guide 25 is fastened to the shaft portion 19A of the handle fixing screw 19, the pull button 26 does not loosen from the handle fixing screw 19 even after long-term use. On the contrary, in order to close the door 20, just by pushing the door itself, the latch 13 of the latch main body 7 is locked against the coil spring 18 over the inclined surface 12A of the seat 12, and the door can be easily touched. Can be occluded.

Next, another embodiment will be described with reference to FIGS. 10 to 12. FIG. 10 is an exploded perspective view of the other embodiment, FIG. 11 is a perspective view of a U-shaped slide body and a fixing screw holding body, FIG. 12 is a perspective view showing a state in which the U-shaped slide body and the gripping screw with a head with a fixing screw holding body interposed therebetween are clamped. In this embodiment, similarly to the previous embodiment, a fixing screw holder 28 is provided on both sides in the central space of a U-shaped slide body 4A having arcuate contact bodies 5 on both sides thereof and a projection 6 on the outside thereof. This U-shaped plate 30 is slidably fitted in the U-shaped plate 30. The U-shaped plate 30 is provided with a through hole 29 through which the head-holding handle fixing screw 19 is inserted. The two U-shaped plates 30 are provided and connected to each other by the front and rear columns 31, and a space is formed on both sides in the middle. Grooves 33 that engage with the protrusions 32 formed at the tip of the U-shaped slide body 4A are formed on both sides of the pillar 31 at the base of the fixing screw holder 28.

In order to assemble the pull button latch device in this embodiment, the U-shaped slide body 4A is sandwiched in advance by the U-shaped plates 30 on both sides and mounted in the central space thereof, and then the outer case 1 is mounted. The U-shaped slide body 4A is inserted into the guide groove 2 by the guide protrusion 6 of the U-shaped slide body 4A, and further the coil spring 18 is attached to the spring accommodating portion 8 of the latch body 7, and the latch body 7 Is held in the arm portion 15 of the inner case 14, and the inner case 14 in which the coil spring 18 is compressed is inserted into the outer case 1. Hereinafter, the same operation as in the above-mentioned embodiment is performed.

Therefore, according to the other embodiment, when the head-grip fixing screw 19 is inserted from the through hole 1A of the outer case 1, the fixing screw holding body 28 slidably mounted on the U-shaped slide body 4A. Through the through hole 29 of the latch body 7, through the through hole 9 for adjusting the position of the latch body 7 and through the through hole 16 for adjusting the position of the inner case, and further fitted into the handle guide bush 21 fixed to the door 20. It is inserted through the shaft hole 24 of the and protrudes to the front side of the door 20. At this time, the head of the headed handle fixing screw 19 is brought into contact with one U-shaped plate 30 and is clamped in the central space of the U-shaped slide body 4A in the space between the front and rear columns 31. The headed handle fixing screw 19 can be easily inserted into the handle guide 25 as it is.

When finely adjusting the mounting position when mounting the other embodiment to the cabinet, since the U-shaped slide body 4A and the fixing screw holding body 28 slide smoothly, together with the outer case 1. The U-shaped slide body 4A moves more smoothly, and the mounting work can be performed more quickly and reliably.

[0026]

[Effect of device]

 According to the above-described present invention, the U-shaped slide body is pulled by the handle fixing screw with the head only by pulling the pull button, and the arc-shaped contact bodies on both sides of the U-shaped slide body push the cam surface of the latch body to latch it. The body moves while compressing the coil spring, and the latch at the tip of the latch body and the catch are released, allowing the door to be opened with one touch. At this time, since the contact body that presses the cam surface of the ratch body is formed in an arc shape, the stress due to the head-grip fixing screw is always applied to the cam surface evenly regardless of the moving state of the latch body. The latch body moves smoothly, and the door can be opened quickly and reliably. On the other hand, to close the door, simply push the door itself and the latch of the latch body will be locked against the coil spring by overcoming the inclined surface of the seat, and the door can be easily closed with one touch.

Further, when attaching to the cabinet, the head-attached handle fixing screw is inserted into the handle guide while being clamped in the central space of the U-shaped slide body, so that the work is easy and fine adjustment of the attaching position can be performed. Also in this case, the U-shaped slide body, the latch body, and the inner case as well as the outer case can be easily moved by the central space, the position adjustment through hole, and the position adjustment through hole, so that the installation work can be done quickly and securely. You can Furthermore, since the U-shaped slide body and the fixing screw holder slide smoothly, the U-shaped slide body moves more smoothly together with the outer case, and the mounting work can be performed more quickly and reliably. . In addition, the pull button has a polygonal handle guide fitted to a handle guide bush fixed to the door, and the bottom of the pull button presses a dish-shaped head formed at one end of the handle guide. Since the end is fastened to the shaft of the handle fixing screw, the pull button does not loosen from the handle fixing screw even after long-term use.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of the present embodiment.

FIG. 2 is a front view of the present embodiment.

FIG. 3 is a side view of the present embodiment.

4 is a cross-sectional view taken along the line AA of FIG.

5 is a sectional view taken along line CC of FIG.

6 is a cross-sectional view of the latch of FIG. 4 disengaged.

7 is a cross-sectional view taken along line BB of the latch of FIG. 2 in the disengaged state.

8 is a cross-sectional view taken along the line DD of FIG.

FIG. 9 is a perspective view showing a state in which the U-shaped slide body of the present embodiment and the handle fixing screw with a head are clamped.

FIG. 10 is an exploded perspective view of another embodiment.

FIG. 11 is a perspective view of a U-shaped slide body and a fixing screw holding body.

FIG. 12 is a perspective view showing a U-shaped slide body of another embodiment and a gripping screw with a head with a fixing screw holder interposed therebetween.

[Explanation of symbols]

 1 Outer Case 1A Through Hole 1B Opening 1C Locking Part 1D Window 2 Guide Groove 3,17 Position Adjusting Stop Hole 4,4A U-Shaped Slide Body 5 Arcuate Contact Body 6 Guide Protrusion 7 Latch Body 8 Spring Housing 9, 16 Position Adjusting Through Hole 10 Cam Surface 11 Cabinet 12 Seat 13 Latch 14 Inner Case 15 Arm 18 Coil Spring 19 Handle Fixing Screw with Head 20 Door 21 Handle Guide Bush 23 Octagonal Shaft Hole 24 Shaft Hole 25 Handle Guide 27 Plate Shape Head 28 Fixing screw holder 29 Through hole 30 U-shaped plate 31 Strut 32 Tip protrusion 33 Groove

Claims (6)

[Scope of utility model registration request] 1. An outer case having a guide groove inside, a U-shaped slide body having arcuate contact bodies and guide protrusions on both sides, a spring accommodating portion at an end, and a cam surface at a central portion. A latch body that is formed and can be engaged with and disengaged from the seat, and an inner case that holds the latch body. A U-shaped slide body is inserted into the guide groove of the outer case by the guide protrusion. Inserting the inner case with the latch body holding the spring mounted in the spring accommodating portion into the outer case, the cam surface of the latch body is brought into contact with the arcuate contact body of the U-shaped slide body. Then, the head-grip fixing screw held by the U-shaped slide body is inserted through the position adjusting through holes of the latch main body and the inner case, and can be inserted into and removed from the front side of the door and rotated. Tip screw of the handle fixing screw that protrudes in an impossible state A pull button latch device characterized in that a pull button is screwed to the section. 2. An outer case having a guide groove inside, a U-shaped slide body having arcuate contact bodies and guide protrusions on both sides, a spring accommodating portion at an end, and a cam surface at a central portion. A latch body that is formed and can be engaged with and disengaged from the seat, and an inner case that holds the latch body. A U-shaped slide body is inserted into the guide groove of the outer case by the guide protrusion. Inserting the inner case into which the latch main body, in which the coil spring is mounted in the spring accommodating portion is held, is inserted into the outer case, and the cam surface of the latch main body is contacted with the arcuate contact body of the U-shaped slide body. A handle guide which is brought into contact with the U-shaped slide body, and through which the position adjusting through holes of the latch body and the inner case are inserted through the handle fixing screw with a head, and which is further fitted to the handle guide bush fixed to the door. Insert it through and project it to the front side of the door. A pull button latch device characterized in that a pull button is screwed onto a tip screw portion of a hand fixing screw so that the pull button can be inserted into and removed from a door and cannot be rotated. 3. An outer case having a guide groove inside, a U-shaped slide body having arcuate contact bodies and guide protrusions on both sides, a spring accommodating portion at the end, and a cam surface at the central portion. A latch body that is formed and can be engaged with and disengaged from the seat; and an inner case that holds the latch body. A U-shaped slide body is inserted into the guide groove of the outer case by the guide protrusion. Insert the inner case with the latch main body holding the spring mounted in the spring accommodating portion into the outer case, and contact the cam surface of the latch main body with the arcuate contact body of the U-shaped slide body. Then, the head gripping fixing screw held by the U-shaped slide body through the fixing screw holding body penetrates through the position adjusting through holes of the latch body and the inner case, and further to the front side of the door with respect to the door. Can be inserted / removed and projected in a non-rotatable state, A pull button latch device characterized in that a pull button is screwed onto the thread portion of the handle fixing screw. 4. An outer case having a guide groove inside, a U-shaped slide body having arcuate contact bodies and guide protrusions on both sides, a spring accommodating portion at an end, and a cam surface at a central portion. A latch body that is formed and can be engaged with and disengaged from the seat, and an inner case that holds the latch body. A U-shaped slide body is inserted into the guide groove of the outer case by the guide protrusion. The inner case with the latch main body having the coil spring mounted in the spring accommodating portion is held therein is inserted into the outer case, and the cam surface of the latch main body is contacted with the arcuate contact body of the U-shaped slide body. And a head-holding handle fixing screw held in contact with the U-shaped slide body through a fixing screw holding body penetrates through the position adjusting through holes of the latch body and the inner case,
Furthermore, it can be inserted into and removed from the door by inserting it through the inside of the handle guide that fits into the handle guide bush fixed to the door, projecting it to the front side of the door, and screwing the pull button to the tip screw part of the handle fixing screw. A pull button latch device characterized by being non-rotatable. 5. The handle guide bush is provided with a polygonal shaft hole, and the outer shape of the handle guide having a shaft hole through which the other handle fixing screw is inserted can be fitted into the polygonal shaft hole. The pull button latch device according to any one of claims 1 to 4. 6. The pull button according to claim 1, wherein stop holes for position adjustment are formed at both longitudinal ends of the rectangular outer case and the inner case inserted into the rectangular outer case. Latch device.