TW201608140A - Nut - Google Patents

Abstract

A nut is provided with: a casing having a circular cylindrical inner space; and a screw body inserted into the casing. The screw body is a substantially cylindrical body having a tapered hole having a diameter increasing rearward. Circumferential guide walls are formed on the tapered surface of the tapered hole with appropriate intervals therebetween. Divided screw elements are each arranged between adjacent guide walls so as to be movable in the axial direction of the tapered surface, thereby forming female screw sections corresponding to a male screw body. A pressing means for always pressing the divided screw elements forward is provided within the screw body. The nut is also provided with a rotation means for rotating the screw body. As a result of this configuration, even if the nut is mounted to a body to be fastened and the nut cannot be rotated together with the body to be fastened, the nut can be retightened.

Description

Nut

The present invention relates to a press-in nut.

In the related art, a nut is known as a nut, which is divided into segments segmented by a nut, and such nut segments are disclosed in Japanese Laid-Open Patent Publication No. 55-48171. (nut segment) is guided into the push-out hole of the casing to expand and contract; the push-pull hole of the casing has an insertion port at a narrower port at the lower end in a manner that the bolt can pass through, and is wider at the upper end. One of the ports has an insertion opening; the nut section can prevent rotation between the plurality of sliding guiding claws provided in the pushing hole, and can be crimped toward the narrower side of the pushing hole than the single pressing spring .

According to such a nut, since the nut can be inserted from the front end of the bolt to the vicinity of the fixed position as long as it is pressed, the locking operation of the nut is more convenient than the insertion by the rotation.

However, in such a nut, it is necessary to rotate the nut itself 2, 3 turns in the fastening direction after the nut is pressed into the bolt for retightening. Therefore, when the bolt is press-fitted in a state in which the nut is attached to the lock coupling body, it is necessary to rotate integrally with the lock-connected body, and there is a locked joint that cannot be coupled by the lock. Rotating, and it is impossible to re-tighten.

According to the present invention, in order to solve the above problems, it is possible to provide a screw that can be retightened even when the nut is attached to the locked coupling body and the nut cannot be integrally rotated with the locked coupling body. cap.

In order to achieve the above-described object, the nut of the present invention includes: a housing having a cylindrical inner space; and a threaded sleeve inserted into the housing; the threaded sleeve having a rearward facing direction a substantially cylindrical body having a diameter-enlarged push-out hole; a plurality of guide walls are formed in a ring shape with a suitable gap on the push-out surface of the push-out hole, and the split thread is disposed between the adjacent guide walls Moving along the axial direction of the pushing surface to form a female thread portion corresponding to the male screw body; and providing a biasing means for biasing the split thread toward the front in the threaded sleeve; and having the screw sleeve rotated Rotating means.

The threaded sleeve body includes a rotating housing and a receiving member; the rotating housing has a cylindrical portion into which the receiving member is inserted, and the pushing hole is disposed in the receiving member and communicates with the pushing hole. The insertion hole may be provided in the rotating housing.

The rotation means engages a ring gear provided in the screw sleeve and a shaft gear that mounts the shaft portion in a through hole provided in the casing, and can be rotated by rotating the shaft portion The aforementioned threaded sleeve rotates.

a flange portion protruding toward the inner diameter direction is provided between each of the guide walls at the square end portion before the pushing surface; and the adjacent guide wall and the convex portion provided between the guide walls are provided The respective flanges of the plurality of receiving portions formed by the edge portions have different heights in the front-rear direction, whereby the divided threads having substantially the same shape can be disposed on the receiving portions to form the female screw portions.

It can be used as a handle for a building sill with any of the above nuts.

As described above, according to the nut of the present invention, even when the nut is attached to the locked coupling body and the nut cannot be integrally rotated with the locked coupling body, retightening can be performed.

1‧‧‧shell

2‧‧‧Threaded sleeve

3‧‧‧Rotating housing

4‧‧‧Receiving components

5‧‧‧Split thread

6‧‧‧Blasting means configuration space

7‧‧‧Rotating means

8‧‧‧stop members

9‧‧‧Handle for building sill

10‧‧‧ threshold

11‧‧‧ slots (annular slots)

12‧‧‧ Section

13‧‧‧through holes

21‧‧‧Inlet

22‧‧‧Inlet

23‧‧‧ inserted through hole

24‧‧‧Mask thread

31‧‧‧Cylinder

32‧‧‧ rear end wall

33‧‧‧Small diameter cylinder

34‧‧‧

35‧‧‧ incision

41‧‧‧ pushed face

42‧‧‧Guide wall

43‧‧‧Flange

44‧‧‧Receive Department

45‧‧‧ protrusion

61‧‧‧Blasting body

71‧‧‧With shaft gear

72‧‧‧Axis

73‧‧‧Tool hole

74‧‧‧ring gear

91‧‧‧Cylinder

92‧‧‧Installation Department

93‧‧‧Female thread

94‧‧‧Tool insertion hole

B‧‧‧ Male thread

H‧‧‧Flange height

Fig. 1(a) is a front view of a nut according to a first embodiment of the present invention, and Fig. 1(b) is a cross-sectional view taken along line A-A of Fig. 1(a).

Fig. 2 is an exploded perspective view showing the nut of the first embodiment of the present invention.

Fig. 3 is a view showing each of the receiving portions of the nut according to the first embodiment of the present invention. A development view in the receiving member in a state in which the divided threads are respectively disposed.

Fig. 4 is a development view of the receiving member in a state in which the respective thread receiving portions of the nut according to the second embodiment of the present invention are arranged with the divided threads.

Fig. 5 is a cross-sectional view showing a nut according to a third embodiment of the present invention.

Fig. 6 is a cross-sectional view showing a state in which a handle of a building door sill to which the nut of the present invention is attached is locked and coupled to a sill.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings, but the present invention is not limited to the embodiment. In the present specification, the side of the insertion port 21 of the bolt into which the nut N is inserted is the front side, and the side of the insertion port 22 through which the bolt into which the insertion port 21 is inserted is set as the rear side.

[First Embodiment]

Fig. 1(a) is a schematic view showing a front view of a nut N according to an embodiment of the present invention (a view showing a state of the nut N from the front side). Fig. 1(b) is a cross-sectional view taken along line A-A of Fig. 1(a). Fig. 2 is an exploded perspective view of the nut N of Figs. 1(a) and (b).

As shown in Fig. 1(b), the nut N of the present embodiment includes a housing 1 and a threaded sleeve 2 which is inserted into the housing 1 and a rotating means 7 which is inserted The threaded sleeve 2 of the housing 1 rotates.

As shown in Figure 1 (a), (b) and Figure 2, the housing 1, has an internal space with a cylindrical shape. Although the casing 1 of the present embodiment is formed in a substantially cylindrical shape, the outer shape is not particularly limited as long as the threaded sleeve 2 inserted into the casing 1 is rotatable, and for example, it may be formed to have a cylindrical inner shape. Various shapes such as a square column of space and a hexagonal column having a cylindrical inner space.

A groove 11 is provided on the inner peripheral surface near the front end of the casing 1. In the groove 11, a stopper member 8 for restricting the movement of the threaded sleeve 2 inserted into the casing 1 toward the front is attached. Although the groove 11 of the casing 1 shown in Fig. 1(b) is formed as the annular groove 11, a discontinuous groove 11 may be provided at an appropriate position in accordance with the stopper member 8 to be used.

The inner circumference of the rear side of the casing 1 is provided with a section 12 for restricting the inserted threaded sleeve 2 from moving rearward. The segment portion 12 protrudes toward the inner diameter direction of the casing 1. Although the segment portion 12 of the present embodiment is provided over the entire circumference, the segment portion 12 is not limited thereto. For example, a plurality of segment portions 12 may be formed in a ring shape at an appropriate interval.

A rotation means 7 for rotating the threaded sleeve 2 inserted into the casing 1 is attached to the casing 1. The rotation means 7 in the present embodiment is formed such that the threaded sleeve 2 is engaged with the ring gear 71 provided in the casing 1 and the ring gear 71 provided in the screw casing 2 to be described later. The structure of rotation within the body 1.

A through hole 13 for attaching the shaft portion 72 of the shaft gear 71 is provided in the casing 1. Through hole 13 is fastened to the rear end of the housing 1 It is disposed near the rear side of the segment portion 12.

A gear is provided at one end of the shaft portion 72 of the shaft gear 71, and a tool hole 73 into which a lock coupling tool such as a hex wrench can be inserted is provided at the other end.

The threaded sleeve 2 of the present embodiment includes a rotating housing 3 and a receiving member 4.

As shown in Fig. 1(b), the insertion opening 21 through which the male screw body B can be inserted is provided on the front side (the left side in Fig. 1(b)) of the threaded sleeve 2 that is inserted and fixed to the casing 1. On the rear side (the right side in FIG. 1(b)), the insertion opening 22 through which the male screw body B can be inserted is provided. Specifically, an insertion port 21 for inserting the male screw body B is provided on the front side of the receiving member 4, and an insertion opening 22 through which the male screw body B can be inserted is provided on the rear side of the rotary housing 3, and the threaded sleeve is provided. Inside the body 2, an insertion hole 23 through which the male screw body B can be inserted in the axial direction of the screw housing is formed so as to connect the insertion port 21 and the insertion opening 22. Around the insertion hole 23, a female thread portion 24 corresponding to the male screw body B inserted through the threaded sleeve 2 is formed by a plurality of divided threads 5.

The rotary housing 3 has a cylindrical portion 31 into which the receiving member 4 is inserted, and at the rear end of the cylindrical portion 31, a hollow rear end wall 32 is provided. The inner side surface (the surface facing the front side) of the rear end wall 32 is a wall for restricting the movement of the elastic body 61 disposed in the elastic means arrangement space 6 to be described later, but may be formed without the rear end. The construction of the wall 32. In this case, a groove 11 may be formed in the inner circumferential surface of the rotary housing 3, and attached to restrict the movement of the elastic body 61 toward the rear. The composition of the stop member.

The threaded sleeve 2 is provided with a rotating means 7 for rotating the threaded sleeve 2 inserted into the casing 1. Specifically, the threaded sleeve 2 is provided with a ring gear 71 that meshes with the shaft gear 71 attached to the housing 1.

In the present embodiment, the ring gear 71 is provided over the entire circumference of the rear end side corner portion of the cylindrical portion 31 of the rotary casing 3. Specifically, as shown in FIG. 1(b), the gear portion of the shaft gear 71 attached to the casing 1 is formed as a helical gear, and the ring gear 71 meshed therewith is provided to the rotary housing 3. The inclined surface of the rear end corner portion of the cylindrical portion 31. More specifically, the rotary housing 3 protrudes rearward from the rear end wall 32 provided in the cylindrical portion 31, and has a small diameter circle having an inner diameter which is slightly longer than the outer diameter of the inserted male screw body B. The barrel portion 33. The rotary housing 3 has a two-stage cylindrical shape having a large diameter cylindrical portion 31 on the front side and a small-diameter cylindrical portion 33 on the rear side, and is formed on the outer circumference of the two-stage cylindrical shape. A ring gear 71 is formed in the stepped portion of the surface.

The rotation means 7 is not particularly limited as long as the threaded sleeve 2 can be rotated in the casing 1. For example, the gear portion to be mounted on the shaft gear 71 of the casing 1 may be formed as a gear that cuts the teeth parallel to the rotation axis, in other words, a spur gear, and in the rotating casing. The outer side surface (the surface turned rearward) of the end wall 32 of the body 3 is provided with a ring gear 71 in a ring shape, and a concave portion may be provided on the outer circumferential surface of the cylindrical portion 31 of the rotary housing 3 over the entire circumference, and Inside the recess, a ring gear 71 that meshes with the shaft gear 71 is provided.

Although the rotating means 7, it is preferably formed as a straight bevel gear, a spiral bevel gear, a zero worm helical bevel gear (zerol bevel) which can change the direction of torque transmission by 90°. For example, the ring gear 71 may be provided in the cylindrical portion 31 of the rotary case 3 or the small-diameter cylindrical portion 33 to be described later, and may be provided in the ring gear 71. The through hole 13 of the casing 1 is inserted into a rack that has been cut into a flat bar and is engaged (so-called rack-and-pinion).

The outer peripheral surface of the small-diameter cylindrical portion 33 of the rotary casing 3 is a wall for preventing the shaft gear 71 from moving in the inner diameter direction, but the shaft gear is a gear that does not move in the inner diameter direction. In this case, the configuration may be such that the small-diameter cylindrical portion 33 is not provided.

The outer circumferential surface of the cylindrical portion 31 of the rotary casing 3 is formed with a smaller diameter than the other outer circumferential surface of the cylindrical portion 31, whereby the cylindrical portion 31 is formed with a step surface 34 facing rearward. By the abutment of the step surface 34 and the segment portion 12 provided on the inner circumferential surface of the casing 1, the rotation of the rotary casing 3 toward the rear can be restricted.

At the front end of the cylindrical portion 31, a slit 35 is provided. Specifically, the slits 35 having a substantially semicircular shape are disposed at positions facing each other.

As shown in Fig. 1 (b) and Fig. 2, the receiving member 4 is a substantially cylindrical body having a push-out hole that expands in diameter toward the rear. The inner peripheral surface of the push-out hole of the receiving member 4 (hereinafter referred to as "push-out surface 41") is provided with a plurality of guide walls 42 in a ring shape at an appropriate interval. Specifically, The wall 42 is provided at a plurality of intervals in the circumferential direction of the push-out surface 41 at equal intervals.

The guide wall 42 has a substantially wedge shape and is provided along the push-out surface 41 so that the thickness of the wedge becomes thicker from the front end toward the rear end of the receiving member 4. The circumferential width of the guide wall 42 is set to be the same in the axial direction. A flange portion 43 that protrudes in the inner diameter direction is provided between the guide walls 42 at the square end portion before the push surface 41.

A plurality of receiving portions 44 are formed by the adjacent guide walls 42 and the flange portions 43 provided between the guide walls 42, and the split threads 5 are disposed in the respective receiving portions 44.

As shown in FIG. 2, the split thread 5 is a substantially wedge shape that can be fitted to the receiving portion 44, and the cross section in the width direction is formed in a substantially fan shape. The outer side of the split thread 5 has a shape corresponding to the push-out surface 41 of the receiving portion 44, and a thread ridge is formed on the inner side surface.

The split thread 5 of the nut N of the present embodiment is disposed at three equal intervals in the circumferential direction. In other words, although the divided threads 5 are arranged in three circumferential directions, the number of the receiving portions 44 and the number of the divided threads 5 are not particularly limited as long as they are two or more.

As shown in Fig. 1(b), the split thread 5 is placed in the state of being fitted to the receiving portion 44, and the rear end of the split thread 5 is positioned closer to the rear than the rear end of the guide wall 42, and is positioned at a higher end. The rear end of the member 4 is formed closer to the front.

As shown in Fig. 1(b), in the state in which the receiving member 4 to which the split screw 5 is fitted is inserted into the rotary housing 3, each split is performed. The rear end 32 of the screw 5 to the rear end wall 32 of the rotary housing 3 serves as a biasing means arrangement space 6. The elastic body 61 as the biasing means is disposed in the elastic means arrangement space 6 in a compressed state, and the divided threads 5 are always biased toward the front side by the elastic pressure of the elastic body 61. In other words, each of the divided threads 5 abuts against the flange portion 43 in a state of being pressed. Alternatively, the spacer clip may be interposed between the split thread 5 and the elastic body 61.

In the present embodiment, a tapered coil spring is used for the elastic body 61. However, various springs can be used as long as they have a hollow spring having an inner diameter larger than the outer diameter of the bolt inserted into the nut N. Further, the elastic body 61 is not limited to the spring. For example, various kinds of the elastic bodies 61 such as rubber or urethane resin can be used.

Fig. 3 is a developed view of the receiving member 4 in a state in which the split screw 5 is placed in each of the receiving portions 44. The thread ridge of the split thread 5 disposed in the receiving portion 44 of the receiving member 4 is formed so as to be a part of the spiral with respect to the axis of the threaded sleeve 2 (see the two-dot chain line in Fig. 3). In other words, the split threads 5 that are respectively disposed in the respective receiving portions 44 are disposed so as to be arranged in the receiving portion 44, and the thread ridges of the divided threads 5 are spirally arranged, and are threaded. A female thread portion 24 is formed inside the casing 2. More specifically, a female thread in a state in which a portion corresponding to the guide wall 42 of the female screw body that is generally spread over the entire circumference is lacking is formed.

In the present embodiment, the height of each flange of each of the receiving portions 44 in the front-rear direction (hereinafter referred to as "flange height H") is a shape It is roughly the same. Therefore, the split threads 5 having the different thread ridges are arranged in the receiving portion 44 such that the thread ridges are one of the spirals with respect to the axis of the threaded sleeve 2.

The outer peripheral surface in the vicinity of the front end of the receiving member 4 is provided with a projection 45 that protrudes in the outer diameter direction. The projection 45 is provided at a position and shape corresponding to the slit 35 of the rotary housing 3 in a state in which the receiving portion 44 has been inserted into the rotary housing 3. In the present embodiment, the projections 45 having a substantially semicircular cross section are provided at two positions facing each other. When the projection 45 is fitted into the slit 35 of the rotary housing 3, the rotary housing 3 and the receiving member 4 are coupled so as not to be relatively rotatable. The slit 35 of the rotary housing 3 and the projection 45 of the receiving member 4 may have any configuration as long as the rotary housing 3 and the receiving member 4 are coupled so as not to be relatively rotatable, and the shape, number, and position of the slit 35 are not It is specially limited. Further, a projection 45 may be provided in the rotary housing 3, and a slit 35 may be provided in the receiving member 4.

Hereinafter, a method of assembling the nut N of the present embodiment will be described with reference to Fig. 2 .

First, the shaft portion 72 of the shaft gear 71 is inserted into the through hole 13 provided in the casing 1 so that the gear side is positioned inside the casing 1. Next, the rotary housing 3 is inserted into the housing 1. At this time, the shaft gear 71 attached to the casing 1 and the ring gear 71 provided in the rotary casing 3 are meshed with each other while the step portion 12 of the casing 1 and the rotating casing 3 are not arranged 34. Abut. Next, the elastic body 61 is inserted into the rotating housing 3. Specifically, the side of the large diameter side of the conical spring is the rear side. Configuration. Next, the appropriate split threads 5 are fitted to the respective receiving portions 44 of the receiving member 4, respectively. Next, the receiving member 4 to which the split thread 5 is fitted is inserted into the rotary housing 3, and the projection 45 of the receiving member 4 is fitted into the slit 35 of the rotary housing 3. Finally, a stop member 8 is mounted in the groove 11 of the housing 1. In the present embodiment, the configuration in which the C-ring is fitted to the groove 11 of the casing 1 is not limited thereto. For example, the casing 1 may be caulked to form the threaded casing 2 Stop off the pieces.

Although the efficient assembly method of the nut N of the present embodiment has been described above, the order of assembly is not limited to the above-described order.

Hereinafter, a method of using the nut N of the present embodiment will be described.

The insertion hole 21 of the nut N assembled as described above is opposed to the male screw body B inserted through the through hole 13 provided in the lock coupling body, and the male screw body B and the nut N are not Rotation, when the male screw body B is pressed in from the insertion opening 21 of the threaded sleeve 2, the thread ridge of the male thread body B and the thread ridge of the female thread portion 24 composed of the plurality of divided threads 5 are stuck. The split thread 5 resists the elastic body 61 and moves toward the rear side along the push-out surface 41, so that the inner diameter of the female thread portion 24 is expanded, and when the inner diameter becomes a thread ridge than the male screw body B, When the outer diameter is larger, the thread ridge of the male thread B will pass over the thread ridge of the female thread portion 24, and the male thread body B can be inserted into the threaded sleeve in sequence. Then, it is provided on the shaft portion 72 of the shaft gear 71 that is attached to the through hole 13 of the casing 1 without being loosened beyond the thread ridge that should eventually engage. The tool hole 73 is inserted into a locking connection tool such as a hex wrench, and is rotated such that the threaded sleeve 2 rotates in the locking connection direction. Then, as long as the threaded sleeve 2 is rotated until the thread ridge of the male screw body B to be engaged finally and the thread ridge of the female thread portion 24 are properly engaged, the rocking can be prevented from being shaken and the locked joint can be locked. . Further, when the locked connection state of the locked coupling body is released, the tool hole 73 provided in the shaft portion 72 of the shaft gear 71 attached to the through hole 13 of the casing 1 is inserted into the hex wrench. The tool for locking the connection is rotated, and the screw sleeve 2 is rotated in the non-locking connection direction. Further, when the male screw body B is inserted into the nut N, the male screw body B can be fixed and pressed into the nut N side, and the male screw body B and the nut N can be brought close to each other. The male screw body B is inserted into the nut N.

The nut N of the present invention can be inserted into the vicinity of an appropriate locking connection position by pressing the male screw body B, and the nut N cannot be made even if the nut N is attached to the locked coupling body. A nut that can be retightened even when the lock coupling body is integrally rotated.

[Second Embodiment]

The nut N of the present embodiment differs from the first embodiment in the configuration of the arrangement of the split screws 5, but the other points are the same as those of the first embodiment.

Fig. 4 is a developed view of the receiving member 4 in a state in which the split thread 5 is placed in each of the receiving portions 44 of the receiving member 4 in the second embodiment. Split snail disposed in the receiving portion 44 of the receiving member 4 The thread ridge of the groove 5 is formed so as to be a part of the spiral with respect to the axis of the threaded sleeve 2 (refer to the two-point chain line in Fig. 4). In other words, the split threads 5 that are respectively disposed in the respective receiving portions 44 are disposed so as to be arranged in the receiving portion 44, and the thread ridges of the divided threads 5 are spirally arranged, and are threaded. The female thread is formed in the inside of the casing 2, and this portion is the same as that of the first embodiment. However, the flange height 5 of the same shape can be embedded by making the flange height H of each of the receiving portions 44 different. It is fitted to the receiving portion 44 and forms a female thread. In other words, the flange height H of each of the receiving portions 44 is different so that the thread ridges of the plurality of substantially identical divided threads 5 become a part of the spiral.

According to this configuration, the types of component parts can be reduced and assembly can be facilitated.

[Third embodiment]

The nut N of the present embodiment is different from the first embodiment in that the threaded sleeve 2 is integrally formed by the rotating housing 3 and the receiving member 4, but the other points are the same as the first embodiment. The shape is the same.

As shown in Fig. 5, the threaded sleeve 2 is a substantially cylindrical body having a push-out hole that expands in diameter toward the rear, and a plurality of guide walls 42 are provided on the push-out surface 41 of the receiving member 4 with a suitable gap. The split thread 5 is movable between the adjacent guide walls 42 and movable along the axial direction of the push surface 41, and the screw sleeve 2 is provided with a biasing means for biasing the split thread 5 toward the front. And having the threaded sleeve 2 rotated Rotating means 7.

In the present embodiment, as shown in Fig. 5, the ring gear 71 is provided over the entire circumference of the rear end side corner portion of the cylindrical body of the threaded casing 2, but similarly to the first embodiment, A hollow rear end wall 32 may be formed at a rear end of the threaded sleeve 2, a ring gear 71 may be disposed at the rear end wall 32, or an annular recess may be formed on the outer circumferential surface of the threaded sleeve 2, and The ring gear 71 is provided in the recess.

In the present embodiment, as shown in FIG. 5, a groove is provided in the vicinity of the rear end of the inner circumferential surface of the screw sleeve 2, and a stopper member 8 for restricting the movement of the elastic body 61 toward the rear is attached. However, a hollow rear end wall 32 may also be provided at the rear end of the threaded sleeve 2.

In addition, although the fifth figure is formed such that the flange height H is different and the split thread 5 of the same shape is disposed in the receiving portion 44, the flange height H may be formed to be substantially the same, and may be received. The portion 44 is configured to have split threads 5 of different shapes.

According to this configuration, the number and type of components can be reduced.

Next, a use example of the nut N of the present embodiment described above will be specifically described.

Although the nut N of the present embodiment can be used for locking and connecting various types of the locked coupling body, as an example, the nut N of the present embodiment can be used to lock the handle 9 of the building door sill. Linked to the threshold 10. Fig. 6 is a view in which the handle 9 of the building door sill to which the nut N of the present embodiment is attached is locked and coupled to the sill 10 A cross-sectional view of the state.

As shown in Fig. 6, the nut N of the present embodiment is attached to the handle 9 of the building door sill mounted on one side of the sill 10, and is attached to the building on the other side of the sill 10 The handle 9 of the sill is fitted with a male thread body B. Specifically, the fixing nut N is inserted into the portion of the handle 9 of the building sill that is attached to the sill 10 of the one side, and the building is attached to the sill 10 of the other side. A male screw body B is attached to a portion of the handle 9 of the sill that faces the sill 10.

In the both end portions of the handle 9 of the building sill shown in Fig. 6, a cylindrical portion 91 having an inner diameter substantially equal to or slightly larger than the outer diameter of the nut N is formed, and the cylindrical portion 91 is formed in the cylindrical shape. The portion 91 is inserted and fixed with a nut N. The cylindrical portion 91 in the handle 9 of the building sill is provided with a tool insertion hole 94, and the tool hole 73 provided in the nut N and the tool are inserted in a state in which the fixing nut N has been inserted. The holes 94 are disposed at corresponding positions. Therefore, the tool for inserting a lock such as a wrench can be inserted from the tool insertion hole 94 of the handle 9 provided in the door sill of the building, and the threaded sleeve 2 of the nut N can be rotated. Further, by inserting the tool into the hole 94 and providing it at an unobtrusive position such as the inner side surface of the handle 9 of the building sill, the handle 9 of the building sill can be attached to the sill 10 in an excellent shape.

A mounting portion 92 having a hollow plate shape is formed at both end portions of the handle 9 of the other building sill, and a female screw 93 is formed on the inner circumference of the hollow portion of the mounting portion 92. By making the male thread body B screw The male screw body B is fitted to the female thread 93 of the mounting portion 92, and the male screw body B can be attached to the handle 9 of the building sill. With such a configuration, the male screw body B having a length corresponding to the thickness of the threshold 10 to be mounted can be easily attached.

Hereinafter, a method of mounting the handle 9 for installing a door sill will be described.

The male screw body B of the handle 9 attached to the door sill of the building is inserted into the through hole for the male screw provided on the rocker 10. The male screw body B that is inserted is opposed to the insertion port 21 of the nut N of the handle 9 attached to the door sill of the building, and the handle 9 of one of the building sills and the other building are used. The handles 9 of the sill are pushed together toward the sill 10, whereby the male screw body B can be inserted into the nut N, and the handles 9 of the building sills are brought into contact with the sill 10, respectively. In this state, the lock coupling tool such as a wrench is inserted into the tool insertion hole 94 of the handle 9 provided in the construction sill, and the screw sleeve 2 of the nut N is rotated and retightened.

By attaching the nut N of the present embodiment to the handle 9 of the building sill, the handle 9 of the building sill can be quickly attached to the sill 10 without being swayed.

As described above, the preferred embodiments of the present invention have been described with reference to the drawings. However, various additions, modifications, and deletions can be made without departing from the scope of the invention. Accordingly, all of the above are encompassed within the scope of the invention.

1‧‧‧shell

2‧‧‧Threaded sleeve

3‧‧‧Rotating housing

4‧‧‧Receiving components

5‧‧‧Split thread

6‧‧‧Blasting means configuration space

7‧‧‧Rotating means

8‧‧‧stop members

11‧‧‧ slots (annular slots)

12‧‧‧ Section

21‧‧‧Inlet

22‧‧‧Inlet

23‧‧‧ inserted through hole

24‧‧‧Mask thread

31‧‧‧Cylinder

32‧‧‧ rear end wall

33‧‧‧Small diameter cylinder

34‧‧‧

35‧‧‧ incision

41‧‧‧ pushed face

42‧‧‧Guide wall

43‧‧‧Flange

45‧‧‧ protrusion

61‧‧‧Blasting body

71‧‧‧With shaft gear

72‧‧‧Axis

73‧‧‧Tool hole

74‧‧‧ring gear

Claims (5)

A nut comprising: a housing having a cylindrical inner space; and a threaded sleeve inserted into the housing; the threaded sleeve being a push-out hole having a diameter-expanding direction toward the rear a substantially cylindrical body; a plurality of guide walls are formed in a ring shape with a suitable gap on the push-out surface of the push-out hole, and the split thread is disposed between the adjacent guide walls so as to be along the push-out surface The female screw portion corresponding to the male screw body is moved in the axial direction; the biasing means for biasing the split thread toward the front is provided in the threaded sleeve body; and a rotating means for rotating the threaded sleeve body is provided. The nut according to claim 1, wherein the threaded sleeve body includes a rotating housing and a receiving member; and the rotating housing has a cylindrical portion through which the receiving member can be inserted, so that the pushing The hole is provided in the receiving member, and the insertion hole communicating with the pushing hole is provided in the rotating housing. The nut according to claim 1 or 2, wherein the rotating means is a ring gear provided in the threaded sleeve body and a through hole provided in the shaft portion The shaft gear is meshed, and the threaded sleeve is rotated by rotating the shaft portion. The nut according to any one of claims 1 to 3, wherein each of the guide walls at a square end portion before the push-out surface is provided a flange portion protruding toward the inner diameter direction; and the front and rear directions of the plurality of receiving portions formed by the adjacent guide walls and the flange portion provided between the guide walls The high portion is different, whereby the split thread having substantially the same shape is disposed on the receiving portion to form the female thread portion. A handle for a sill of a building, characterized in that the nut according to any one of claims 1 to 4 is installed.