JP2017096298A - Fastener for bolt - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fastener for a bolt capable of being quickly and easily attached/detached to/from a bolt, and obtaining excellent workability on attachment/detachment.SOLUTION: A fastener 1 for a bolt is configured to be attached/detached to/from a bolt, and includes a body part 11, an engagement part 12 and an operation part 13. The body part 11 has an open hole 15 capable of inserting a screw part of the bolt. The engagement part has an engagement projection 21 engaging with the screw part of the bolt inserted into the open hole, and is supported to the body part in an elastically deformable manner. The operation part can operate release of the engagement part in order to release engagement of the engagement projection with the screw part of the bolt.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a bolt fastener.

  Conventionally, nuts that are used together with bolts to fasten automobile parts to a vehicle body panel are known. For example, the nut described in Patent Document 1 is pushed into a bolt projecting from a vehicle body panel with an opening of an automobile part being passed through, so that a locking claw of the nut is locked to the bolt. The vehicle part is pressed and fastened to the vehicle body panel while realizing attachment to the bolt.

  However, although such a nut can be quickly attached to the bolt, after the nut has been attached to the bolt, in order to remove the nut from the bolt, the nut is moved to its engagement position or Since it was necessary to remove the nut from the bolt while rotating the bolt a number of times according to the length of the bolt, the operation of removing the nut from the bolt was troublesome.

JP-A-9-273528

  The present invention has been made in view of such circumstances, and it is an object of the present invention to provide a fastener for a bolt that can be quickly and easily attached to and detached from a bolt and can obtain good workability with respect to attachment and detachment. To do.

The invention according to claim 1
A bolt fastener configured to be detachably attached to a bolt,
A main body having a through hole through which the threaded portion of the bolt can be inserted;
An engaging projection that engages with a threaded portion of the bolt inserted through the through-hole, and is supported by the main body portion so as to be elastically deformable;
And an operation portion provided so that the engagement portion can be released to release the engagement of the engagement protrusion with the screw portion of the bolt.

  According to this configuration, the bolt fastener can be quickly and easily attached to and detached from the bolt. That is, the engaging protrusion can be engaged with the screw portion by pushing the main body portion into the screw portion to a predetermined position while passing the screw portion of the bolt through the through hole of the main body portion. . Therefore, the bolt fastener can be quickly and easily attached to the bolt.

  In addition, after the mounting of the bolt fastener to the bolt is completed, the operation portion is released to apply an external force to the engagement portion, and the engagement of the engagement protrusion with respect to the screw portion is released. Is possible. Therefore, it is possible to remove the screw part from the through hole at once and to remove the bolt fastener from the bolt quickly and easily.

  Therefore, the bolt fastener can be quickly and easily attached to and detached from the bolt. Moreover, it is possible to perform the attaching / detaching operation of the bolt fastener with respect to the bolt with only one hand. Therefore, favorable workability can be obtained with respect to the attachment and detachment of the bolt fastener.

The invention according to claim 2 is the bolt fastener according to claim 1,
The engaging portion is
The engaging protrusion has a plurality of engaging protrusions.

  According to this configuration, it is possible to increase the engagement force of the engagement protrusion with respect to the screw portion of the bolt, and to attach the bolt fastener to the bolt more firmly. In addition, since the disengagement of the plurality of engaging projections with respect to the threaded portion can be performed by the releasing operation of the operating portion, it is possible to suppress deterioration in workability when removing the bolt fastener from the bolt. it can.

The invention according to claim 3 is the fastener for bolt according to claim 1 or 2,
The operation unit is
A connecting portion disposed in the through hole and connected to the engaging portion;
And a projecting portion connected to the connecting portion so as to project to the outside of the through hole.

  According to this configuration, it is possible to perform the release operation of the operation unit using the protruding portion outside the main body, and the operability of the operation unit can be improved. Accordingly, the bolt fastener can be further easily removed from the bolt. Further, the operation unit can be arranged in the bolt fastener so as not to get in the way as much as possible.

The invention according to claim 4 is the bolt fastener according to any one of claims 1 to 3,
An outer projection that projects outward from the main body is provided.

  According to this configuration, when the bolt fastener is attached to or detached from the bolt, the outer protrusion can be used, and the handleability of the bolt fastener can be improved.

  ADVANTAGE OF THE INVENTION According to this invention, while being able to attach or detach with respect to a volt | bolt quickly and easily, the fastener for bolts which can obtain favorable workability | operativity regarding attachment / detachment can be provided.

It is a side view which shows an example of the state which attaches and uses the fastener for bolts concerning one Embodiment of this invention to a volt | bolt. It is a perspective view of the fastener for bolts of FIG. It is a top view of the fastener for bolts of FIG. It is a bottom view of the fastener for bolts of FIG. It is AA arrow sectional drawing of FIG. It is a figure which shows the middle stage at the time of attaching the fastener for bolts of FIG. 1 to a volt | bolt. It is a figure which shows the state which the protrusion of the engaging part in the fastener for bolts of FIG. 6 engaged with the thread part of the volt | bolt. It is a figure which shows the state by which the protrusion of the engaging part of FIG. 7 was made to cancel | release engagement with the thread part of a volt | bolt. It is a figure which shows the middle stage at the time of removing the fastener for bolts of FIG. 7 from a volt | bolt.

  Embodiments of the present invention will be described with reference to the drawings.

  In FIG. 1, an example of the state which attaches the bolt fastener 1 which concerns on one Embodiment of this invention to the volt | bolt 2, and uses it is shown. FIG. 2 is a perspective view of the bolt fastener 1. FIG. 3 shows a plan view of the bolt fastener 1. FIG. 4 shows a bottom view of the bolt fastener 1. FIG. 5 shows a cross-sectional view taken along the line AA of FIG.

  In the following description, the direction indicated by the arrow X in FIG. 2 is the front direction of the bolt fastener 1, the direction indicated by the arrow Y is the right direction of the bolt fastener 1, and the direction indicated by the arrow Z is Is the upward direction of the bolt fastener 1.

  As shown in FIG. 1, the bolt fastener 1 is used by being attached to the bolt 2, and can hold and clamp another part 4 on the part 3 projecting the bolt 2. It is like that. The bolt fastener 1 can be used by being attached to a stud bolt protruding from the vehicle body panel, for example, in order to fasten automobile parts to the vehicle body panel of an automobile.

  2, 3, 4, and 5, the bolt fastener 1 includes a main body portion 11, an engagement portion 12, and an operation portion 13, and the bolt 2 (the screw portion thereof). 5) is configured to be detachably attached. In the present embodiment, the bolt fastener 1 is formed of a resin molded product in which the main body portion 11, the engagement portion 12, and the operation portion 13 are integrally joined.

  The main body 11 has a through hole 15 through which the threaded portion 5 of the bolt 2 can be inserted. In the present embodiment, the main body 11 is a cylindrical body. Specifically, the main body 11 has a cylindrical portion 17 having a bolt insertion hole 16 and a square cylindrical portion 19 having a receiving hole 18, and the holes 16. It consists of what connected 18 side by side so that 18 may communicate in front and back.

  The through hole 15 of the main body portion 11 is formed from a bolt insertion hole 16 of the cylindrical portion 17 and an accommodation hole 18 of the rectangular tube portion 19. The bolt insertion hole 16 extends vertically through the cylindrical portion 17 so that the screw portion 5 of the bolt 2 can be inserted. The accommodation hole 18 is vertically penetrated through the rectangular tube-shaped portion 19 so as to accommodate the engagement portion 12 and the operation portion 13.

  The inner surface of the bolt insertion hole 16 of the cylindrical portion 17 is formed in a curved surface shape that does not mesh with the spiral thread groove when the screw portion 5 is inserted. Here, the diameter of the bolt insertion hole 16 is set to the diameter of the screw portion 5 of the bolt 2 so that the screw portion 5 can be slidably inserted in the bolt insertion hole 16 in the vertical direction (axial direction). On the other hand, they are set to be the same or slightly larger.

  The engagement portion 12 has at least one engagement protrusion 21 that engages with the screw portion 5 of the bolt 2 inserted through the through hole 15 (the bolt insertion hole 16). Are supported so as to be elastically deformable. In the present embodiment, the engaging portion 12 is disposed in the through hole 15 (the receiving hole 18), and protrudes forward from the lower rear side of the inner surface of the receiving hole 18 toward the inside of the hole.

  The engaging portion 12 has a bent (curved) shape, and is provided so that the protruding end portion 22 faces the bolt insertion hole 16. The engagement portion 12 is normally held in that state (a separated state in which the protruding end portion 22 shown in FIG. 5 is separated from the rear inner surface of the accommodation hole 18), and when an external force is applied, FIG. The protruding end portion 22 shown can be elastically deformed in a proximity state in which the protruding end portion 22 is brought close to the rear inner surface of the accommodation hole 18.

  The engaging protrusion 21 is provided at the protruding end 22 so as to protrude toward the inside of the bolt insertion hole 16. When the engagement protrusion 21 hits the thread of the screw part 5 inserted through the bolt insertion hole 16, the engagement part 12 is elastically deformed and displaced rearward. Accordingly, the engagement portion 12 can be elastically returned to the normal position.

  Then, when the insertion of the threaded portion 5 of the bolt 2 into the bolt insertion hole 16 is completed, the engagement protrusion 21 is held at a normal position, and is positioned in the bolt insertion hole 16 as shown in FIG. It engages with the threaded portion of the threaded portion 5 and engages with the threaded portion 5. Here, the protruding end side of the engagement protrusion 21 is formed to have a curved shape corresponding to the spiral thread groove.

  The operation portion 13 is provided so that the engagement portion 12 can be released to release the engagement of the engagement protrusion 21 with the screw portion 5 of the bolt 2. In the present embodiment, the operation portion 13 is a lever-like operation portion capable of applying an external force to the engagement portion 12 and can be tilted in the front-rear direction with respect to the main body portion 11 so as to displace the engagement portion 12. Is provided.

  The operating portion 13 is interlocked and connected to the engaging portion 12 so as to protrude linearly upward from the protruding end portion 22 in the receiving hole 18, and is normally separated from the inner surface of the receiving hole 18. While being held in the operation state (see FIG. 5) and being released from that state (reverse tilting operation), it is configured to switch to the release operation state close to the rear inner surface of the receiving hole 18. (See FIG. 8).

  Therefore, when the operation portion 13 is in a non-operation state, the engagement portion 12 is interlocked with the operation portion 13 and thus is in a separated state that can be engaged with the screw portion 5. When the operation part 13 is released, the engaging part 12 is applied with an external force and is brought into a proximity state where the engagement with the screw part 5 can be released. When this releasing operation is completed, the engaging portion 12 returns to the separated state, and the operating portion 13 is brought into a non-operating state accordingly.

  From the above, as shown in FIG. 6, the main body portion 11 is placed at a predetermined position with respect to the screw portion 5 while the screw portion 5 of the bolt 2 is passed through the through hole 15 (the bolt insertion hole 16) from below. As shown in FIG. 7, the engagement protrusion 21 can be engaged with the threaded portion 5 by pushing it down. Therefore, the bolt fastener 1 can be quickly and easily attached to the bolt 2.

  Further, after the attachment of the bolt fastener 1 is completed, as shown in FIG. 8, the operation portion 13 is released to apply an external force to the engagement portion 12, and the engagement protrusion with respect to the screw portion 5. 21 can be disengaged. Therefore, the bolt part 1 can be quickly and easily removed from the bolt 2 by pulling out the screw portion 5 from the through hole 15 at once (see FIG. 9).

  Therefore, the bolt fastener 1 can be quickly and easily attached to and detached from the bolt 2. Moreover, when the other part 4 is pressed against the part 3 and fastened to or removed from the part 3, the bolt fastener 1 can be attached to and detached from the bolt 2 with only one hand. . Therefore, favorable workability can be obtained with respect to the attachment / detachment of the bolt fastener 1.

  In the present embodiment, as shown in FIGS. 2 and 5, the engaging portion 12 includes a plurality (two in this case) of engaging protrusions 21 </ b> A and 21 </ b> B as the engaging protrusion 21. . Specifically, the plurality of engagement protrusions 21A and 21B are arranged in the vertical direction (the axis of the through hole 15 so that the engagement of the bolt 2 with the screw portion 5 is released by a single release operation of the operation portion 13. Direction) at a predetermined interval.

  With this configuration, the engagement force of the engagement protrusion 21 with respect to the screw portion 5 can be increased, and the bolt fastener 1 can be attached to the bolt 2 more firmly. Further, since the engagement of the plurality of engagement protrusions 21A and 21B with respect to the screw portion 5 can be released by the release operation of the operation portion 13, when the bolt fastener 1 is removed from the bolt 2. It is possible to suppress a decrease in workability.

  In addition, here, when the said fastener 1 for bolts is attached to the said bolt 2, it is comprised so that the engagement degree of these engagement protrusions 21A and 21B with respect to the said thread part 5 may differ.

  Specifically, of the plurality of engagement protrusions 21A and 21B, one engagement protrusion 21A located on the lower side (the back side in the insertion direction of the screw part 5) is on the upper side (the insertion direction of the screw part 5). Compared with the other engagement protrusion 21B located on the front side), the protruding end is positioned on the inner side of the bolt insertion hole 16 so that the degree of engagement with the screw portion 5 is increased.

  In the present embodiment, as shown in FIGS. 2 and 5, the operation portion 13 includes a connecting portion 25 and a protruding portion 26. The connecting portion 25 is disposed in the through hole 15 and connected to the engaging portion 12 (the protruding end portion 22). The protruding portion 26 is connected to the connecting portion 25 so as to protrude to the outside of the through hole 15 (above the upper end surface of the main body portion 11).

  With this configuration, it is possible to perform the release operation of the operation unit 13 using the protruding portion 26 outside the main body unit 11, and the operability of the operation unit 13 can be improved. Accordingly, the bolt fastener 1 can be more easily removed from the bolt 2. Further, the operation unit 13 can be arranged in the bolt fastener 1 so as not to get in the way as much as possible.

  The protruding amount of the protruding portion 26 can be arbitrarily set in consideration of the operability of the operating portion 13 and the prevention of erroneous operation.

  In the present embodiment, the bolt fastener 1 further includes at least one outer protrusion 28 that protrudes outward. Specifically, the outer protrusion 28 is located on the side (rear) of the operation unit 13 with respect to a crossing direction intersecting (orthogonal) with the axial direction (vertical direction) of the through hole 15 from the main body 11. The main body 11 protrudes outward from the outer periphery. The outer protrusion 28 is formed in a plate shape whose plate surface extends along the intersecting direction, and is disposed behind the protrusion 26.

  With this configuration, when the bolt fastener 1 is attached to and detached from the bolt 2, the outer projection 28 can be used, and the handleability of the bolt fastener 1 can be improved. In the present embodiment, the outer protruding portion 28 can be used as a knob, and the operating portion 13 can be released by touching the protruding portion 26 while holding the outer protruding portion 28. . Therefore, the bolt fastener 1 can be easily detached from the bolt 2.

  In the present embodiment, the outer protruding portion in the present invention is the one outer protruding portion 28 that protrudes outward from the upper end portion of the main body portion 11, but is not limited thereto. It is good also as a pair of outer projection part which protrudes from the upper end part of a part to the outer side front and back, respectively, and it is good also as one or more outer projection part which protrudes outward from the side part of a main-body part, and the ring surrounding a main-body part. It is good also as an outer protrusion part which protrudes radially so that a shape may be exhibited.

DESCRIPTION OF SYMBOLS 1 Bolt clamp 2 Bolt 5 Thread part 11 Main body part 12 Engagement part 13 Operation part 15 Through-hole 21 Engagement protrusion 25 Connection part 26 Protrusion part 28 Outer protrusion part

Claims (4)

A bolt fastener configured to be detachably attached to a bolt,
A main body having a through hole through which the threaded portion of the bolt can be inserted;
An engaging projection that engages with a threaded portion of the bolt inserted through the through-hole, and is supported by the main body portion so as to be elastically deformable;
A bolt fastener, comprising: an operation portion provided so as to be able to release the engagement portion so as to release the engagement of the engagement protrusion with the screw portion of the bolt. The engaging portion is
The bolt fastener according to claim 1, wherein the engagement protrusion includes a plurality of engagement protrusions. The operation unit is
A connecting portion disposed in the through hole and connected to the engaging portion;
3. The bolt fastener according to claim 1, further comprising: a projecting portion connected to the connecting portion so as to project to the outside of the through hole.   The bolt fastener according to any one of claims 1 to 3, further comprising an outer protrusion protruding outward from the main body.

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