JP3002972U - Latch lock - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] With an extremely simple structure, the second front can be flush with the surface of the vertical frame on the handle side, significantly improving the appearance of the door and improving the quality of the door. It is an object of the present invention to provide a latch lock that can be manufactured at a low cost and that can improve the workability of the work for attaching the latch lock and that is excellent in mass productivity. [Structure] The latch lock 1a includes a latch case 42, a front 2 fixed to a door end side of the latch case 42,
A latch lock having a second front surface 44 fixed to the front surface of the front surface 2 with a screw or the like, comprising: one side portion in the longitudinal direction of the front surface of the front surface 2; It has a configuration including a gap forming screw 4 arranged or formed between the facing surface and the opposite surface.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a latch lock.

[0002]

[Prior art]

 In recent years, doors have been used at the entrances and exits of public facilities and various buildings, and latch locks have been used at the doors as locking means. The conventional latch lock of the door will be described below. FIG. 4 is a perspective view of a conventional latch lock, FIG. 5 is a perspective view of a general door frame, and FIG. 6 is a cross-sectional view of a main part of a door portion showing a state in which the conventional latch lock is attached to the door frame. FIG. 7 is an enlarged view of a main part of a door frame and a door portion showing another conventional mounting state of the latch lock. 40 is a conventional latch lock, 41 is a latch bar, 42 is a latch case in which locking means of the latch lock 40 is installed, 43 is a front fixed to the front surface of the latch case 42, 44 is a latch bar provided on the front surface of the front 43. A second front for restricting the direction of the slope 41a of 41, a handle insertion hole 45, a fixing screw hole 46 for fixing the latch lock 40 to the vertical frame on the handle side of the door with a screw, and a handle 47 of the door It is a fixing screw for fixing the latch lock 40 housed in the latch hole of the side vertical frame to the end surface of the handle side vertical frame. In FIG. 5, reference numeral 50 denotes a door portion made of wood such as plywood or metal material such as iron plate, 51 denotes a tubular door frame made of wood or metal, and 52 denotes a door portion 50 for door. A hinge for rotatably fixing to the vertical frame 53 of the frame 51, 54 is a door handle whose base is inserted in the handle insertion hole 45 of the latch lock 40, and 55 is a latch on the handle side vertical frame 56 of the door frame 51. A latch bar receiver provided in a latch hole formed at a position facing the latch bar 41 of the lock 40, 57 is a vertical door on the handle side, 58 is a vertical frame on the handle side, and 59 in FIG. 6 is a vertical frame 56 on the handle side. A latch hole 61 formed on the back surface of the latch bar receiver 55 is a hinge-side vertical door contact. In FIG. 7, reference numeral 62 denotes a lock housing formed by piercing the handle-side vertical frame 58 of the door portion 50 so that the second front 44 of the latch lock 40 is parallel to the end surface of the latch bar receiver 55 of the handle-side vertical frame 56. It is a hole. The end face of the vertical frame of the door portion 50 is formed so as to be inclined about 5 mm from the outside to the inside so as not to collide with the vertical frame of the door frame when the door frame is rotated and opened and closed. With respect to the latch lock mounting structure configured as described above, a method for attaching the latch lock will be described below. In the case of FIG. 6, the latch case 42 is accommodated in the lock accommodating hole portion 62 of the handle side vertical frame 58 of the door portion 50, and then the second front 44 is latched so that it is parallel to the latch bar receiver 55 of the door frame 51. The second front 44 of 40 is partially projected from the opening of the lock housing hole 62, and the latch lock 40 is fixed to the end face 60 of the handle-side vertical frame 58 with the fixing screw 47. In the case of FIG. 7, after the lock accommodation hole 62 of the vertical frame 58 on the handle side is formed large enough to accommodate the second front 44, the latch case 42 is accommodated, and then the second front 44 is connected to the latch bar receiver 55. The latch lock 40 is fixed to the end surface 60 of the handle-side vertical frame 58 with the fixing screw 47 so as to be parallel.

[0003]

[Problems to be solved by the device]

 However, in the above-mentioned conventional configuration, in the case of FIG. 6, the metal surface of the end portion of the latch lock is exposed from the handle-side vertical frame of the door portion, and when the door is opened, that portion is reflected by light and is noticeable. It had a problem that it was easy to look and looked bad. In addition, the second front of the latch lock shown in Fig. 7 is embedded in the vertical frame on the handle side. The edge of the lock housing hole is exposed, and when the door is opened, the skin of the vertical frame can be seen to create a strange design. Since it is given, it has been painted with a felt-tipped pen or the like, but it has a problem in that workability is poor and the appearance of the door is impaired.

The present invention solves the above-mentioned conventional problems, and has an extremely simple structure, in which the second front surface can be flush with the surface of the vertical frame on the handle side, and the appearance of the door is significantly improved. An object of the present invention is to provide a latch lock that can improve the quality of the door and the workability of attaching the latch lock, and that is low in cost and excellent in mass productivity.

[0005]

[Means for Solving the Problems]

 To achieve this object, the latch lock of the present invention has the following structure. That is, the latch lock according to claim 1 includes a latch case, a front fixed to a door end side of the latch case, and a second front fixed to the front surface of the front with screws or the like. And a gap forming member disposed or formed between one side portion of the front surface of the front surface in the longitudinal direction and an opposing surface of the back surface of the second front surface on one side portion of the front surface. It has a configuration including. According to a second aspect of the present invention, in the latch lock according to the first aspect, the gap forming member is fixed to a hole portion such as one or a plurality of screw holes formed in the front from the back surface of the front by screwing or the like. It has a structure including a screw-shaped object such as a screw and a rod-shaped portion. According to a third aspect of the present invention, in the latch lock according to the first aspect, the gap forming member is made of synthetic resin or metal, which is joined to one longitudinal side of each of the back surface of the second front surface or the front surface of the front surface. It has a flat, rod-shaped, wedge-shaped mounting material made of wood or wood. The latch lock described in claim 4 is the latch lock according to claim 1, wherein the gap forming member is a protrusion or a ridge formed on one side of the front surface of the front surface or the back surface of the second front surface. ing. The latch lock according to claim 5 is a latch lock having a latch case, a front fixed to the door end side of the latch case, and a second front fixed to the front surface of the front with screws or the like. Thus, one side portion in the longitudinal direction of the front side or one side portion of the second front side is formed thick, and the other side portion is provided with a slanted surface formed thin.

Here, the gap forming member is arranged or formed entirely or partially on one side portion facing each other in the longitudinal direction of the front surface of the front surface or the back surface of the second front surface. As the gap forming member, bulging protrusions or protrusions are formed on the front surface of the front side or the back surface of the sekado front, or as a mounting material, a metal flat plate or a metal having a triangular cross section formed in a wedge shape. The plates may be welded, or may be formed by adhering a synthetic resin or wooden flat plate, a flat plate having a triangular cross section, a rod-shaped object, or a small nut with an adhesive. Alternatively, one or a plurality of screw holes formed on one side in the longitudinal direction of the front may be formed with screws or the like screwed from the back surface of the front, and further screw holes are formed on the front surface of the second front. However, it may be formed of a screw or the like screwed into the screw hole. Further, a hole may be formed instead of the screw hole, and a rod-shaped object of a predetermined length made of metal, synthetic resin, wood, or the like may be fixed to the hole by adhesion or welding. The inclined surface may be formed on either or both of the second front and the front. The gap formed by the gap forming member varies depending on the thickness of the door and the size of the latch lock, but is preferably 1 to 7 mm, preferably 2 to 5 mm according to the inclination angle of the vertical frame of the door. Further, the thick portion forming the inclined surface is 1 to 7 mm, preferably 2 to 5 mm higher than the thin portion.

[0007]

[Action]

 With this configuration, since the gap forming member is arranged on the back surface of the second front of the latch lock and the front surface facing the front, the surface of the second front and the end face of the vertical frame such as the handle side of the door are flush with each other. be able to. The width of the gap between the second front and the front can be freely adjusted by changing the gap forming member. If a screw-shaped object such as a screw is used as the gap forming member, it can be freely adjusted on site.

[0008]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. (First Embodiment) FIG. 1 is a side view of a latch lock according to a first embodiment of the present invention. 42 is a latch case, 44 is a second front, 45 is a handle insertion hole, and 46 is a fixing screw hole. Since these are the same as those in the conventional example, the same reference numerals are given and description thereof is omitted. Reference numeral 1a is a latch lock of the first embodiment, 2 is a front fixed to the front surface of the latch case 42, 3 is a gap forming screw threaded hole formed on both sides in the longitudinal direction of the front 2, 4 is a gap forming A screw for forming a gap, which is one of the forming materials for forming the gap forming portion screwed into the screw screwing hole 3 for use. The mounting method of the latch lock of the first embodiment constructed as described above will be described below. FIG. 2 is a plan view of a main part of a door frame and a door portion showing a mounting structure of a latch lock according to the first embodiment of the present invention. The mounting structure of the latch lock 1a of the first embodiment differs from the conventional mounting structure of the latch lock 40 shown in FIGS. 6 and 7 in the following points. In other words, the second front side 44 of the latch lock 40 housed in the lock receiving hole 62 is flush with the end face 60 of the handle-side vertical frame 58 so that the second front side of the front side 2 has one end in the longitudinal direction. The gap forming screws 4 are screwed into the formed upper and lower gap forming screw screw holes 3 so that the front face of the second front 44 is flush with the end face 60 of the handle-side vertical frame 58. 4 is adjusted, and then the latch lock 40 is fixed to the handle side vertical frame 58 by screwing the fixing screw 47 to the upper and lower fixing screw holes 46 of the second front 44 on the end face 60 of the handle side vertical frame 58. To do.

As described above, according to the present embodiment, the front face of the second front 44 is flush with the end face 60 of the handle side vertical frame 58 of the door portion by the gap forming screw 4 in the gap forming screw screw hole 3. Since the screwing degree can be adjusted and fixed so that the appearance of the door can be improved and the quality of the door can be improved. Further, since it is not necessary to correct the vertical frame with a felt pen after attaching the latch lock 40, it is possible to reduce the number of work steps and improve the workability of joinery work. In this embodiment, the screw forming holes 3 for forming the gap are formed at two places above and below the front 2, but one or more places may be formed depending on the size of the front 2.

(Embodiment 2) FIG. 3 is a plan view of a main part of a door frame and a door portion showing a latch lock mounting structure according to a second embodiment of the present invention. In the figure, 1b is a latch lock in the second embodiment, 5 is a gap forming member made of synthetic resin, synthetic rubber material, metal material, wood, etc. and having a triangular, rectangular, circular or oval cross section. It is a single wedge-shaped mounting material. The mounting member 5 is adhered and fixed to the second front 44 or the front 2 along one side in the longitudinal direction by an adhesive or the like over the entire surface or in a scattered manner. The mounting structure of the latch lock 1b of the second embodiment differs from the conventional mounting structure of the latch lock 40 shown in FIGS. 6 and 7 in the following points. That is, the mounting member 5 is mounted between the second front 44 and the front 2 so that the front surface of the second front 44 of the latch lock is flush with the surface of the end face 60 of the vertical frame 58 on the handle side. 1b is housed in the lock housing hole portion 62, and the fixing screws 47 are screwed into the upper and lower fixing screw holes 46 of the second front 44 and fixed to the handle side vertical frame 58 to form a door having a good appearance. be able to.

As described above, according to this embodiment, the front surface of the second front surface 44 of the latch lock 1b can be formed flush with the surface of the end surface 60 of the handle side vertical frame 58 of the door portion by the mounting member 5. The appearance of the door can be improved and the quality of the door can be improved. Further, since only the latch lock 1b is attached and the work in the post-process is not required, the work man-hour can be reduced and the workability of the fitting work can be improved. Although the mounting material is used in the present embodiment, a protrusion or a ridge may be formed in a bulging shape at the front portion where the mounting material is arranged instead of the mounting material. Further, the second front may have a trapezoidal shape in which one side of the front is formed with a wall thickness of 1 to several mm corresponding to the gap.

[0012]

[Effect of device]

 Since the latch lock of the present invention is constructed as described above, the end surface of the vertical frame on the handle side and the front surface of the second front of the latch lock can be formed flush with each other, so that a good-looking and high-quality door can be obtained. It is possible to provide a latch lock that can be provided with high productivity and that is low in cost and excellent in mass productivity.

[Submission date] March 5, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0006

[Correction method] Change

[Correction content]

[0006] Here, the gap forming member is provided or formed entirely or partially on one side portion facing each other in the longitudinal direction of the front surface of the front surface or the back surface of the second front surface. As the gap forming member, bulging protrusions or protrusions are formed on the front surface of the front side or the back surface of the senkado front, or as a mounting material, a metal flat plate or a metal having a triangular cross section formed in a wedge shape. The plates may be welded, or may be formed by adhering a synthetic resin or wooden flat plate, a flat plate or a bar having a triangular cross section, or a small nut with an adhesive. Alternatively, one or a plurality of screw holes formed on one side in the longitudinal direction of the front may be formed with screws or the like screwed from the back surface or the front surface of the front, and a screw hole is further formed on the front surface of the second front. It may be formed with a screw or the like that is formed and screwed into the screw hole. Further, a hole may be formed instead of the screw hole, and a rod-shaped object made of metal, synthetic resin, wood or the like having a predetermined length may be fixed to the hole by adhesion or welding. The inclined surface may be formed on either or both of the second front and the front. The gap formed by the gap forming member varies depending on the thickness of the door and the size of the latch lock, but is preferably 1 to 7 mm, preferably 2 to 5 mm, according to the inclination angle of the vertical frame of the door portion. Further, the thick portion forming the inclined surface may be formed 1 to 7 mm higher than the thin portion, preferably 2 to 5 mm higher.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0008

[Correction method] Change

[Correction content]

[0008]

【Example】

An embodiment of the present invention will be described below with reference to the drawings. (First Embodiment) FIG. 1 is a side view of a latch lock according to a first embodiment of the present invention. 42 is a latch case, 44 is a second front, 45 is a handle insertion hole, and 46 is a fixing screw hole. Since these are the same as those in the conventional example, the same reference numerals are given and description thereof is omitted. 1a is a latch lock of the first embodiment, 2 is a front fixed to the front surface of the latch case 42, 3 is a screw screwing hole for forming a gap formed on both sides in the longitudinal direction of the front 2, 4 is a gap forming This is a gap forming screw that is one of the forming members of the gap forming portion that is screwed into the use screw screwing hole 3. The mounting method of the latch lock of the first embodiment constructed as described above will be described below. FIG. 2 is a plan view of a main part of a door frame and a door portion showing a mounting structure of a latch lock according to the first embodiment of the present invention. The mounting structure of the latch lock 1a of the first embodiment differs from the conventional mounting structure of the latch lock 40 shown in FIGS. 6 and 7 in the following points. That is, the end of one side in the longitudinal direction of the flange 2 is arranged so that the second front 44 of the latch lock 1a housed in the lock receiving hole 62 is flush with the end face 60 of the handle-side vertical frame 58. The gap forming screws 4 are screwed into the upper and lower gap forming screw screw holes 3 formed on the side to form a gap so that the front surface of the second front 44 is flush with the end surface 60 of the handle-side vertical frame 58. The degree of screwing of the screw 4 is adjusted, and then the latch lock 1a is screwed to the end face 60 of the handle-side vertical frame 58 and the fixing screws 47 are fixed to the upper and lower fixing screw holes 46 of the second front 44, and the handle-side vertical frame 58 is attached. Fixed to.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0009

[Correction method] Change

[Correction content]

As described above, according to the present embodiment, the front face of the second front 44 is flush with the end face 60 of the handle side vertical frame 58 of the door portion by the gap forming screw 4 in the gap forming screw screw hole 3. Since the screwing degree can be adjusted and fixed so that the appearance of the door can be improved and the quality of the door can be improved. Further, since it is not necessary to correct the vertical frame with a felt-tip pen or the like after attaching the latch lock 1a , it is possible to reduce the number of work steps and improve workability of joinery work. In this embodiment, the gap forming screw screw holes 3 are formed in two places above and below the front 2, but one or more places may be formed depending on the size of the front 2. Further, although the gap forming screw 4 is screwed from the back surface of the front surface 2, it may be screwed from the front surface .

[Brief description of drawings]

FIG. 1 is a side view of a latch lock according to a first embodiment of the present invention.

FIG. 2 is a plan view of a main portion of a door frame and a door portion showing a latch lock mounting structure according to the first embodiment of the present invention.

FIG. 3 is a plan view of a main portion of a door frame and a door portion showing a latch lock mounting structure according to a second embodiment of the present invention.

FIG. 4 is a perspective view of a conventional latch lock.

FIG. 5 is a perspective view of a general door frame

FIG. 6 is a lateral cross-sectional view of a main part of a door portion showing a state in which a conventional latch lock is attached to a door frame.

FIG. 7 is an enlarged view of a main part of a door frame and a door portion showing another mounting state of a conventional latch lock.

[Explanation of symbols]

 1a, 1b Latch lock 2 Front 3 Gap forming screw screw hole 4 Gap forming screw 5 Mounting material 40 Conventional latch lock 41 Latch bar 41a Latch bar slope 42 Latch case 43 Front 44 Second front 45 Handle insertion hole 46 For fixing Screw hole 47 Fixing screw 50 Door part 51 Door frame 52 Hinge 53 Vertical frame 54 Door handle 55 Latch bar receiver 56 Handle side vertical frame 57 Handle side vertical door 58 Handle side vertical frame 59 Latch hole 60 Latch side 60 of handle side vertical frame Per hinged side vertical door 62 lock hole

Claims (5)

[Scope of utility model registration request] 1. A latch lock having a latch case, a front fixed to a door end portion side of the latch case, and a second front fixed to a front surface of the front with a screw or the like, wherein A latch lock, comprising a gap forming member disposed or formed between one side portion in the longitudinal direction of the front surface and an opposing surface of the one side portion of the front surface on the back surface of the second front. 2. The gap forming member is formed from a screw-shaped object such as a screw or a rod-shaped object that is fixed to a hole portion such as one or a plurality of screw holes formed in the front surface from the back surface of the front surface by screwing or the like. The latch lock according to claim 1, wherein: 3. The plate-shaped, rod-shaped, or wedge-shaped member made of synthetic resin, metal, or wood joined to one side portion of each of the back surface of the second front surface or the front surface of the front surface in the longitudinal direction. The latch lock according to claim 1, wherein the latch lock is a wearing material. 4. The latch lock according to claim 1, wherein the gap forming member is a protrusion or a ridge formed on one side of the front surface of the front surface or the back surface of the second front surface. 5. A latch lock having a latch case, a front fixed to a door end side of the latch case, and a second front fixed to the front surface of the front with screws or the like, One side portion in the longitudinal direction or one side portion of the second front is formed thick,
A latch lock characterized in that the other side portion is provided with a slanted surface formed thinly.