JPH0741043U - Nut tool - Google Patents

Abstract

(57) [Summary] [Purpose] Easier to put the nut member in the nut fitting that is installed in the mounting hole provided in the member to be tightened by bolting. Prevents the nut member from falling out of the mounting hole. [Structure] A frame 10 mounted in a mounting hole P-1 'of a mounting target P-1 and a nut member 20 having a projection 21a in the radial direction. The frame body 10 is provided with a storage space 11b for the nut member 20. A window 13b that allows the protrusion 21a provided on the nut member 20 to protrude as the nut member 20 rotates is communicated with the storage space 11b. The frame body 10 is provided with a collar 14 and an elastic piece 15 for sandwiching the plate portion at the edge of the attachment hole P-1 ′ of the attachment object P-1 between the collar 14 and the collar 14.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention is, for example, a sash frame or a panel material attached to a building frame, and a nut that fits into the bolt that is fitted into a mounting hole provided in one of two members to be fastened by bolting. A nut tool with a built-in member.

[0002]

[Prior art]

 When tightening two members by bolting, make sure that the nut used in combination with the bolt on either side of the two members does not rotate as the bolt is threaded. , It is necessary to hold it down by some means. Usually, however, the operator who tightens the bolt holds the nut by hand to prevent it from turning around.However, if the operator cannot reach the nut side easily, or the nut cannot be turned at all. In that case, some measures need to be taken to prevent the nuts from rotating together.

Therefore, as shown in FIG. 9, there is a method of preventing the entrainment by welding the nut N to the member P-1 of either one of the two members to be tightened by bolting. Was commonly used. However, this method does not take time and effort for welding the nut N, and cannot deal with the case where the welded nut N needs to be replaced or removed. It was a method that could not be used for non-existing members.

For this reason, as disclosed in JP-A-63-308209, the nut 200 having the protruding ear portions 201 on both sides of the female screw hole 202 is attached to the bottom portion 103 having a substantially rectangular plate shape. In a cage 100 configured by placing a plate-shaped head 104 on arms 101, 101 arranged on one diagonal line of the cage, a head portion 104 and a bottom portion 103 of the cage 100 are arranged. A "nut-retainer assembly" has been proposed in which the nut 200 is housed so as to be coaxial with the center of the hole provided in the nut 200 and the female screw hole 202 of the nut 200 (FIG. 10).

According to this “nut-retainer assembly”, after the assembly is mounted in the hole H formed in the member P-1 of either one of the two members to be fastened by bolting, When the other member having the bolt insertion hole is attached, and then the bolt is inserted into the assembly through the insertion hole and screwed in the female screw hole 202 of the nut 200, 200 is also rotated once, but since the side surface of the ear portion 201 of the nut 200 comes into contact with the cams 102, 102 provided on the arms 101, 101 at a position where the nut 200 is rotated about a quarter, At this position, the rotation of the nut 200 can be regulated. Therefore, according to this assembly, it is possible to effectively prevent the nut 200 from rotating around and perform the bolt tightening work only by providing the hole H for mounting the assembly in the member to be fastened. You can

[0006]

[Problems to be solved by the device]

 However, in the assembly, the nut 200 has to be housed in the retainer 100 in advance, but in the assembly, the upper and lower sides of the nut 200 are covered by the head 104 and the bottom 103. The nut 200 is housed so that the axial center of the female screw hole 202 of the nut 200 is coaxial with the centers of the holes provided in the head portion 104 and the bottom portion 103 from the gap between the arms 101 and 101. This work was not always easy.

Further, since the assembly is simply accommodated in the hole H, for example, when the member to which the assembly is attached is the member of the ceiling part, the action of gravity is applied. If the assembly has to be mounted in the hole H in the direction opposite to the direction in which the assembly is attached, make sure that the assembly does not fall out of the hole H until another member to be fastened is attached. However, it was inconvenient because the assembly had to be held down by some means.

Therefore, the present invention relates to a nut tool with a built-in nut member that fits into the mounting hole provided in one of the two members to be fastened by tightening the bolt. The purpose of the present invention is to provide a nut tool that facilitates the accommodation of the nut member inside and does not drop out of the mounting hole regardless of the opening position of the mounting hole with respect to the member to be fastened. And

[0009]

[Means for Solving the Problems]

 In this invention, in order to achieve the above-mentioned object, in the invention according to claim 1, a nut tool is mounted in a mounting hole P-1 'of a mounting object P-1 and a frame body 10 inside the frame body 10. And a nut member 20 provided with a protrusion 21a directed outward in the radial direction. The frame member 10 is provided with the nut member 20 from one side of the frame member 10. A storage space 11b for fitting and fitting is provided so that the axial direction of the member 20 and the fitting direction coincide with each other, and the projection 21a provided on the nut member 20 and communicating with the storage space 11b is provided. The nut member 20 has a structure in which a hole is projected so as to rotate with the rotation of the nut member 20. According to the second aspect of the present invention, the nut tool is mounted in the mounting hole P-1 'of the mounting target P-1, the frame 10 is incorporated in the frame 10, and the outer diameter is reduced by half. The nut member 20 is provided with a projecting portion 21a directed in a direction, and the nut member 20 is fitted into the frame body 10 from one side of the frame body 10 in the direction of the axial center of the nut member 20. A storage space 11b for fitting and fitting is provided so that the fitting direction is the same, and the projection 21a provided on the nut member 20 communicates with the storage space 11b and the nut member 20 is rotated. The frame 10 has a structure in which a hole is provided so that the frame body 10 has an outward facing flange 14 and a mounting hole P- for the mounting object P-1 between the flange 14 and the frame 14. Elastic piece 15 facing the collar 14 that holds the plate portion at the 1'edge It was what is provided.

[0010]

[Action]

 According to the first aspect of the invention, the nut member 20 having the protrusion 21a directed in the radial direction to the outside is fitted from one side of the frame body 10 in the direction of the axial center of the nut member 20. A storage space 11b which is fitted and accommodated so that the directions thereof coincide with each other, and a protrusion 21a which is communicated with the storage space 11b and which is provided on the nut member 20 are caused to protrude with the rotation of the nut member 20. Since the hole is provided in the frame body 10, when the nut member 20 is housed in the frame body 10 from the direction of the axial center and the nut member 20 is rotated by bolt tightening. The nut member 20 does not come out of the frame body 10 by projecting the projection 21a of the nut member 20 housed in this way from the hole to the side of the frame body 10.

According to the second aspect of the invention, in particular, the frame 10 is provided with an outward facing flange 14 and a mounting hole P-1 ′ edge of the mounting target P-1 between the flange 14 and the frame 14. Since the elastic piece 15 that faces the collar 14 that holds the plate portion at is provided, the nut member 20 is mounted in the mounting hole P-1 ′ from the direction opposite to the direction in which gravity acts. Even in the case, the nut member 20 does not fall out from the mounting hole P-1 '.

[0012]

【Example】

 Hereinafter, a typical embodiment of the nut tool according to the present invention will be described with reference to FIGS. It should be noted that FIG. 1 shows that the nut object according to this embodiment is mounted in the mounting hole P-1 ′ of the mounting object P-1 and then the mounting object P between the bolt B and the nut member 20 of the nut tool is mounted. 1 shows a state in which a fastening target P-2 to be fastened to -1 is attached. 2 and 3 show a process of tightening the bolt B to the nut member 20 of the nut tool according to this embodiment. Further, FIG. 4 shows a state in which the tightening of the bolt B 1 to the nut member 20 of the nut tool according to this embodiment is completed. Further, FIGS. 5 to 8 respectively show a state in which the fastener according to this embodiment is housed in the mounting hole P-1 'of the mounting object P-1.

As shown in FIG. 1, the nut component according to this embodiment includes a frame body 10 and a nut member 20 incorporated in the frame body 10.

The nut member 20 is formed by forming a female screw hole 22 at a position approximately in the middle of the length of the substantially rectangular plate portion 21 in the thickness direction of the plate portion 21. Therefore, the nut member 20 is configured to include the board portion 21 in the shape of the protrusions 21a and 21a on both sides of the female screw hole 22. An annular rising portion 23 surrounding the hole edge 22a is formed on one hole edge 22a of the female screw hole 22. In addition, in order to facilitate the introduction of the bolt B into the female screw hole 23, the inner surface of the rising portion 23 has an inner concavity shape that is directed from the tip of the rising portion 23 into the female screw hole 22. The inclined surface 23a is formed.

Both side surfaces of the nut member 20 in the width direction of the board portion 21 are gentle curved surfaces 21b, 21b as shown in FIGS. 4 and 5.

On the other hand, the frame body 10 is a substantially rectangular shape having substantially the same shape as the board portion 21 of the nut member 20 capable of accommodating the nut member 20 from the axial direction of the female screw hole 22 of the nut member 20. A side plate 13 that forms an opening 11a and a storage space 11b that follows the opening 11a, and a bottom plate portion 12 that is in contact with the surface of the nut member 20 that is accommodated on the side on which the rising portion 23 is not provided. It is composed of

As shown in FIG. 6 in particular, in the nut component according to this embodiment, the side plate 13 constituting the frame body 10 has a thickness dimension of the nut member 20 housed in the frame body 10. Therefore, the nut member 20 is spaced apart from the edge of the opening 11a of the frame 10 by an amount corresponding to the thickness of the nut member 20. It is fitted and stored in the frame body 10 in a state of being in contact with the bottom plate portion 12. As shown in FIGS. 5 and 6, in order to prevent the nut member 20 housed in this way from coming out, the inner surfaces of both side plates 13 ′ and 13 ′ in the width direction of the frame 10 are prevented. Has a height that does not hinder the storage of the nut member 20 from the opening 11a, and a pair of members that come into contact with the stored nut member 20 on the side of the rising portion 23 of the nut member 20. Protrusions 13a, 13a are provided.

Further, as particularly shown in FIGS. 6 and 7, the bottom plate portion 12 of the frame body 10 has substantially the same shape as the female screw hole 22 communicating with the female screw hole 22 of the nut member 20 accommodated therein. A hole 12a having a diameter is opened. In addition, a rising portion 12b is formed along the hole edge at the hole edge on the outer surface side of the bottom plate portion 12 of the hole 12a. Further, in this embodiment, a pair of holes 12c and 12c are formed at positions just below the protrusions 13a and 13a of the bottom plate portion 12, and the frame body 10 is formed by molding a plastic material. The protrusion 13a has a structure that can be easily formed.

In addition, the side plates 13 ″ and 13 ″ in the length direction of the frame 10 are substantially rectangular in shape and have the same size as the holes communicating with the storage space referred to in the scope of the utility model registration claim. , A pair of windows 13b, 13b of the same shape are opened. The window 13b has a window edge extending in the lengthwise direction of the window 13b, a side edge extending in the lengthwise direction of the side plate 13 ″, a window edge extending in the widthwise direction of the window 13b, and a width of the sideboard 13 ″. It is provided so as to be arranged substantially parallel to the side edges extending in the direction. Further, as shown in FIG. 6, the window 13b is provided with a slight gap x between the lower edge of the window 13b and the inner surface of the bottom plate portion 12 of the frame body 10. The window 13b is provided directly below the window 13b. By leaving the side plate 13 ″ by the distance x, the unexpected removal of the nut member 20 from the window 13b is prevented. The upper edge of the window 13b is located near the opening 11a of the frame body 10. Further, as shown in Fig. 5, the window 13b provided in one side plate 13 "in the length direction of the frame body 10 is in the width direction of the frame body 10. On the other hand, the window 13b provided on the other side plate 13 ″ in the lengthwise direction of the frame body 10 is provided so as to be biased toward the one side plate 13 side. Opened in a state of being biased toward the other side plate 13 'in the width direction of the It has been.

Further, at the edge of the opening 11 a of the frame body 10, an outer circumferential flange 14 is provided along the opening 11 a.

Further, on the outer surfaces of both side plates 13 ′ and 13 ′ on the width side of the frame body 10, the lower surface of the side plate 13 is directed toward the surface 14 a of the collar 14 facing the lower side of the frame body 10. A pair of plate-shaped elastic pieces 15, 15 extending in an inclined shape from the edges are extended. The elastic piece 15 is provided with a slight gap between the tip portion 15a and the surface 14a of the collar 14, and the outer surface of the tip portion 15a is provided with It is provided with upper and lower stepped surfaces 15a ′ and 15a ″ which are substantially parallel to the surface 14a.

Next, a method of using the nut tool having the above-described configuration according to this embodiment will be described.

First, as shown in FIGS. 5 to 8, the frame body 1 has a width dimension slightly larger than the dimension between the outer surfaces of both side plates 13 ″, 13 ″ in the length direction of the frame body 1 and The mounting object P-1 is provided with a substantially rectangular mounting hole P-1 'having a length dimension slightly larger than the dimension between the outer surfaces of both side plates 13', 13 'in the width direction of 0. The frame 10 is inserted from the bottom plate portion 12 side into the attachment hole P-1 'from one surface side of the attachment target P-1. Here, since the frame body 10 is provided with the flange 14 outward from the edge of the opening 11a, the frame body 10 is inserted into the frame body 10 so that The surface 14a facing downward is brought into contact with the hole edge surface of the mounting hole P-1 'on the front side in the insertion direction of the frame body 10.

Further, since the pair of elastic pieces 15, 15 extending toward the surface 14a of the collar 14 are provided on the outer surfaces of the side plates 13 ', 13' in the width direction of the frame body 10, Due to the insertion, the elastic piece 15 bends slightly toward the side plate 13 'so that the step surface 15a' or 15a "is formed in the mounting hole P-1 'on the front side in the insertion direction of the frame body 10. Therefore, the frame body 10 is inserted between the mounting hole P-1 ′ and the frame body 10 between the surface 14a of the collar 14 and the step surface 15a ′ or 15a ″ of the elastic piece 15. The hole edge portion of the mounting hole P-1 'is sandwiched from both sides of the mounting object P-1, and as a result, the mounting hole P-1' of the nut tool once inserted into the mounting hole P-1 '. Is prevented from falling off.

Since the step surface 15a ′ and the step surface 15a ″ are provided at the tip end of the elastic piece 15 in two steps, that is, the difference in size between the step surfaces 15a ′ and 15a ″. The hole edge portion of the mounting hole P-1 'can be sandwiched between the surface 14a of the collar 14 and the change in the thickness of the object P-1. Further, in this embodiment, when the attachment target P-1 is thinner, the attachment hole P-1 ′ is provided between the surface 14a of the collar 14 and the tip of the elastic piece 15. The edge of the hole can be sandwiched.

After mounting the nut tool in the mounting hole P-1 ′ of the mounting object P-1 in this way, as shown in FIG. 1, the nut tool is stored in the frame body 10 of the fastening tool. The fastening object P-2 having a hole P-2 ′ communicating with the female screw hole 22 of the nut member 20 is inserted into the fastening object P-1 on the front side of inserting the fastening tool. Attach to the surface. Then, the bolt B is inserted from the hole P-2 ′ of the fastening object P-2, the tip of the bolt B is inserted into the female screw hole 22 of the nut member 20, and the bolt B is fastened. Do the operation.

Since the nut member 20 is housed with a gap corresponding to the thickness of the nut member 20 between the nut member 20 and the opening 11a of the frame body 10, the bolt B is tightened. When the engagement is started, the nut member 20 is gradually moved within the frame body 10 so as to be lifted toward the opening 11a side of the frame body 10. Then, when the nut member 20 is lifted toward the opening 11a side by the distance x between the inner surface of the bottom plate 12 of the frame 10 and the lower edge of the window 13b, the female screw hole of the nut member 20 is lifted. Since both sides of the protrusions 21a, 21a that sandwich 22 are exposed to the windows 13b, 13b provided on both side plates 13 ", 13" in the longitudinal direction of the frame body 10, respectively. When the bolt B is further screwed from the state in which the nut member 20 is lifted in this way, the nut member 20 has its protrusions 21a, 21a extended from the windows 13b, 13b as shown in FIG. Each will be projected outward. In this embodiment, the windows 13b and 13b are biased toward one side plate 13 "in the width direction of the frame body 10" on one side plate 13 "in the length direction of the frame body 10, respectively. Since the other side plate 13 ″ in the length direction of the frame body 10 is opened so as to be biased toward the other side plate 13 side in the width direction of the frame body 10, the nut member 20 is inserted. Only when the bolt B is rotated in one direction, the projections 21a, 21a are not projected outward from the windows 13b, 13b.

When the bolt B is further advanced from the state shown in FIG. 2, as shown in FIG. 3, the nut member 20 is provided with the both protrusions 21a on the front side in the rotation direction. , 21a are brought into contact with the window edges of the windows 13b, 13b, respectively. Therefore, the rotation of the nut member 20 is restricted at this contact position and the bolt B is screwed. Rotation of the nut member 20 is prevented. In this embodiment, as shown in FIG. 3, when the nut member 20 is rotated by a quarter turn, the side surfaces of the protrusions 21a, 21a are brought into contact with the window edge. As described above, the opening dimensions of the windows 13b and 13b are set.

When the bolt B is further tightened from the state in which the rotation of the nut member 20 is restricted in this way, the bolt B sequentially advances in the nut member 20 and the nut member 20 Is gradually drawn toward the opening 11a side of the frame body 10, and the upper surfaces of the protrusions 21a, 21a of the nut member 20 come into contact with the surface P-1 of the attachment object. Thereby, as shown in FIG. 4, the attachment target P-1 and the fastening target P-2 are tightened and fastened between the head of the bolt B and the nut member 20. be able to.

In this embodiment, the collar 14 and the elastic piece 15 are structured as described above, but the mounting hole P-1 'provided in the mounting object P-1 is If the structure is such that the fastening member can be prevented from coming off from the mounting hole P-1 ′ by sandwiching the hole edge portion, the nut 14 can be appropriately changed in the mounting position, shape, number, etc. of the collar 14 and the elastic piece 15. You can configure the ingredients. For example, the brim may be a rib-like one that is intermittently provided at the opening edge of the opening 11a of the frame body 10, and the elastic piece may also be a rod-like or projecting one.

Further, if the nut member 20 is also provided with a structure for preventing the nut member 20 from rotating along with the window edge of the window 13b, for example, one side of the female screw hole 22 is provided. Only the protrusion corresponding to the protrusion 21a may be provided and the shape thereof may be appropriately changed. Further, the frame body 10 may be configured by appropriately changing the shape of the window 13b according to the number and shape of the protrusions.

[0032]

[Effect of device]

 In the nut tool according to claim 1, since the nut member 20 is housed in the frame body 10 from the direction of the axis thereof, the operation of fitting the nut member 20 into the frame body 10 is extremely easy. Even when the axial direction of the nut member 20 and the fitting direction to the frame body 10 are the same, when the nut member 20 is rotated by tightening the bolt, the nut member 20 is rotated by the frame. It is possible to appropriately fasten the attachment target P-1 and the like to the head of the bolt B without getting out of the body 10.

Further, in the nut tool according to the second aspect, the nut tool is prevented from gravitational force by sandwiching the mounting hole P-1 ′ edge between the flange 14 provided on the frame body 10 and the elastic piece 15. Even when it is mounted in the mounting hole P-1 'from the direction opposite to the acting direction, it does not fall out of the mounting hole P-1', so that it can be mounted at any position on the mounting target P-1. Even if the above-mentioned mounting hole P-1 'is opened, it has a feature that it can be mounted and used in the mounting hole P-1' without using a separate fixing means.

[Brief description of drawings]

FIG. 1 is a perspective view showing a usage state of a nut tool.

FIG. 2 is a perspective view showing a usage state of a nut tool.

FIG. 3 is a perspective view showing a usage state of a nut tool.

FIG. 4 is a side view showing a usage state of the nut tool.

FIG. 5 is a plan view of a nut tool.

6 is a cross-sectional view taken along the line AA in FIG.

7 is a sectional view taken along line BB in FIG.

FIG. 8 is a side view of the nut tool.

FIG. 9 is a side view showing a conventional example.

FIG. 10 is a perspective view showing a conventional example.

[Explanation of symbols]

 10 frame body 12 bottom plate part 13 side plate 14 collar 15 elastic piece 20 nut member 21 board part 22 female screw hole 23 rising part P-1 mounting object P-2 fastening object

Front page continued (72) Inventor Masanobu Kawamoto 184 Maioka-cho, Totsuka-ku, Yokohama-shi, Kanagawa 1-share company Nifco (72) Inventor Masa Arakawa 184 Maioka-cho, Totsuka-ku, Yokohama-shi Kanagawa 1-share company Nifco Within

Claims (2)

[Scope of utility model registration request] 1. A frame body to be mounted in a mounting hole of a mounting object, and a nut member incorporated in the frame body and provided with a protruding portion directed outward in a radial direction. , The nut member from one side of the frame,
The nut member is provided with a storage space for fitting and fitting so that the direction of the axis of the nut member and the fitting direction coincide with each other, and a protrusion provided on the nut member is connected to the storage space. A nut tool characterized in that it is provided with a hole that is projected along with rotation. 2. The frame body is provided with an outward flange and an elastic piece directed to the flange for sandwiching a plate portion at an edge of a mounting hole of the object to be mounted between the flange. The nut tool according to claim 1, wherein the nut tool is provided.