JP4546789B2 - Fitting - Google Patents

Description

  The present invention relates to an attachment for attaching a part to be attached to a stud bolt extending from an attachment surface.

When attaching a part to be attached to a mounting surface using a clip, in the conventional attachment method, the delivery to the assembly line is two parts, the part to be attached and the clip, and the distribution efficiency is not good. In addition, in the assembly line where the tact time is limited, man-hours for taking out each of these mounted parts and clips have been spent, and the man-hours for assembly have increased.
However, the conventional clip does not have a temporary holding function for temporarily holding the attached part and cannot be temporarily held to the attached part. In order to temporarily hold the conventional clip on the attached part, the clip It is necessary to add a part for temporary holding, which increases the cost.

  Further, as a prior art in which a clip is held on a part to be attached, Patent Document 1 discloses that a clip is applied to the back side of a roof lining, and an engagement piece of the clip is fitted into a hole in the roof lining to form a hole edge. The lug is locked to the roof lining, and the grab rail is attached to the inside of the roof lining, and the tapping screw is inserted into the through hole of the grab rail. Between the two parts, and screwed into the screw holes provided in the top plate of the clip, and the grab rail was fixed to the roof lining in advance with the clip, and the grab rail was fixed to the roof lining. The clip holding arm is inserted into the hole in the body panel and press-fitted, so that the holding arm is restored inside the body panel. It allows the clip is fixed to the body panel, car interior lining (roof lining) the vehicle equipment to be secured Ategai to the body panel (grab rail) and collectively is disclosed.

JP-A-11-342802

  However, in the invention of Patent Document 1, when the clip is held by the roof lining, the clip is locked to the roof lining by fitting the engagement piece into the hole of the roof lining and locking it to the hole edge. When the tapping screw is screwed into the screw hole on the top plate portion of the clip via the grab rail, the screw portion of the tapping screw is inserted so as to interrupt between the bearing arm portions of the clip. Therefore, when the tip of the thread portion is first inserted so as to interrupt between the bearing arm portions, the tip of the thread portion presses the bearing arm portion in the entering direction, and the engagement piece is removed from the hole in the roof lining. There is a risk of removal. Furthermore, since the screw part is pressed against the bearing arm part before being screwed into the screw hole on the top plate part, there is a risk of damage to the thread. With this clip, the grab rail is securely attached to the roof lining. There is a possibility that it cannot be done. In addition, in the invention of Patent Document 1, since the tapping screw is configured as a separate part, the number of parts at the time of assembly increases, the physical distribution efficiency is poor, and the assembly man-hour may increase.

  This invention is made | formed in view of this point, and it aims at providing the fixture which improves physical distribution efficiency and reduces an assembly man-hour.

According to the present invention, as means for solving the above-described problems, the invention of the fixture described in claim 1 is a fixture for attaching a part to be attached to a stud extending from the attachment surface, the fixture being the stud. And a holding member that holds the clip in a non-locking state in which the clip is not locked to the protrusion, and the clip receives the stud. A pedestal portion, a pair of locking portions fixed above the pedestal portion and biased toward the ridge portion, and a pair of locking portions fixed below the pedestal portion on the ridge portion side and a pressing portion for biasing, also the holding member, each of said engaging portion holds the unlocked state not engaged with the protrusions, at the time of mounting, the respective locking portions It has a guide part that guides to a position to be locked to the ridge part. It is an butterfly.
The invention of the fixture described in claim 2 is the invention described in claim 1, characterized in that the holding member is attached to the attached component.
According to a third aspect of the present invention, there is provided the fixture according to the first or second aspect, wherein the holding member is formed at a narrow portion extending perpendicularly from the attached component and at an upper end of the narrow portion. And the narrow portion is formed to have a width that allows the locking portions to be locked to the protrusions, and the guide portion includes the locking portions at the protrusions. A pair of abutting portions that are held in an unlocked state that is not locked are provided, and at the time of mounting, the locking portions are guided from the pair of abutting portions to the narrow portion to be locked to the ridges. It is characterized by making it.

Therefore, in the invention of the fixture described in claim 1, the clip is held in a non-locking state in which the clip is not locked to the protrusion on the guide portion of the holding member, and in this state, the stud is received in the pedestal portion. When the clip is pushed in, the locking part slides along the guide part of the holding member and is guided to the ridge part, and the locking part is locked to the ridge part, so that the mounted part is placed on the mounting surface. It is attached. Further, when the clip is pushed to a predetermined position, a repulsive force due to the pressed and contracted pressing portion is applied to the locking portion, and the locking portion is firmly locked to the protruding portion.
In the invention of the fixture according to claim 2, since the clip is held by the attached part, the carrying of the part in the assembly line becomes one part of the attached part, the distribution efficiency is improved, and the assembly man-hour is reduced. .

  ADVANTAGE OF THE INVENTION According to this invention, while improving physical distribution efficiency, the fixture which reduces an assembly man-hour can be provided.

Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to FIGS.
As shown in FIG. 1, the fixture according to the embodiment of the present invention is fitted to a threaded portion (projected portion) 6 (see FIGS. 2 to 4) of a stud bolt (stud) 5 extending from a mounting surface 7. And a pin (holding member) 2 protruding integrally from the attached component 8 in the same direction as the stud bolt 5.

  As shown in FIGS. 1 and 3, the clip 1 includes a pair of locking portions 11 and 11 that can be biased so as to sandwich the stud bolt 5 or the pin 2 from both sides, and the pair of locking portions 11 and 11. The pedestal portion 12 is fixed to the lower end of the pedestal and has an insertion hole 19 through which the stud bolt 5 is inserted. The pedestal portion 12 comes into contact with the mounted part 8 and extends obliquely downward from both ends of the pedestal portion 12. It is comprised from the press part 13 urged | biased by 6 side. The locking part 11, the pedestal part 12, and the pressing part 13 are configured by bending a single spring steel plate.

As shown in FIG. 1, the pair of locking portions 11, 11 includes a pair of urging arm portions 15, 15 arranged at a predetermined interval, and lower ends of the pair of urging arm portions 15, 15. It is comprised from a pair of elastic arm parts 17 and 17 each extended.
In the initial state, the pair of urging arm portions 15 and 15 are formed so as to be inclined so that the claw portions 16 and 16 provided at the tips are close to each other as shown by the solid line in FIG. As shown, when an inclusion such as the pin 2 is inserted between the pair of urging arm portions 15 and 15, the pair of urging arm portions 15 and 15 are forcibly opened. Further, claw portions 16, 16 bent in the urging direction are formed at the upper ends of the pair of urging arm portions 15, 15, respectively. Therefore, the pair of urging arm portions 15, 15 has a width such that the pair of claw portions 16, 16 and the pair of urging arm portions 15, 15 protrude from the attached component 8 at a predetermined distance. The width is set so as to be able to abut each of 2 and 2.
The pair of elastic arm portions 17 and 17 have curved portions that extend downward from the lower ends of the pair of biasing arm portions 15 and 15, respectively, and the curved portions are compressed from above and below. Then, a repulsive force is applied in the vertical direction.
As shown in FIG. 1, the pedestal portion 12 has a pair of elastic arm portions 17, 17 having lower ends connected to both sides, and an insertion hole 19 through which the stud bolt 5 is inserted.
As shown in FIG. 1, the pressing portion 13 is a pair of small pressing arm portions 20, 20 extending on both side surfaces of the pedestal portion 12 so as to face diagonally downward from the vicinity of the elastic arm portions 17, 17. It is configured. When the pair of pressing arm portions 20 and 20 are compressed, the repulsive force is applied in the vertical direction.

As shown in FIG. 1, the pin 2 is formed in a plate shape and protrudes in the same direction as the direction in which the stud bolt 5 is inserted on both sides of the insertion hole 8 a through which the stud bolt 5 provided in the mounted part 8 is inserted. It is installed. In addition, a guide portion 21 is formed on the pair of pins 2 and 2, and a narrow portion 22 is integrally formed below the guide portion 21.
The guide portion 21 is formed in a substantially triangular shape having contact surfaces 23 and 23 on both sides that extend perpendicularly to the mounting surface 7 and contact the pair of urging arm portions 15 and 15, respectively. The distance (the distance between the contact surfaces 23 and 23) is larger than the outer diameter of the threaded portion 6 of the stud bolt 5, and the pair of biasing arm portions 15 and 15 are locked against the biasing force. Is set to a length sufficient between the urging arm portions 15 and 15 when the pair of urging arm portions 15 and 15 are vertically erected. When the substantially intermediate portions of the pair of biasing arm portions 15 and 15 are brought into contact with the respective contact portions 23 and 23, the pair of biasing arm portions 15 and 15 are caused to move to the respective contact surfaces 23 and 23 by the biasing force. 23 is locked.
Further, the inclined surfaces 24, 24 inclined obliquely downward from the apex 25 of the guide portion 21 toward the contact surfaces 23, 23 are used as surfaces for locking the pair of claw portions 16, 16. The claw portions 16 and 16 function as a guide portion that guides to a position where the claw portions 16 are engaged with the screw portion 6.
In this way, the guide portion 21 holds the pair of urging arm portions 15 and 15 in a non-locking state in which the pair of claw portions 16 and 16 are not locked to the screw portion 6, and the clip 1 is connected to the pair of pins 2. 2 and a function of guiding the pair of claw portions 16 and 16 to a position where the threaded portion 6 of the stud bolt 5 is locked when the attached component 8 is attached to the attachment surface 7.
The narrow portion 22 is smaller than the diameter of the threaded portion 6 of the stud bolt 5 and is formed to have the same width as the diameter of the thread groove 6 ′.

  Further, when the stud bolt 5 is inserted into the insertion hole 8a positioned between the pair of pins 2 and 2, as shown in FIG. 3, the stud bolt 5 and the pair of pins 2 and 2 are arranged in a straight line, The stud bolt 5, the guide portion 21, and the narrow portion 22 are arranged so as to overlap in a side view. In the range where the guide portion 21 is formed, the portion where the contact surfaces 23 and 23 are formed is in a state of covering the screw portion 6 of the stud bolt 5, and in the range where the narrow portion 22 is formed, the stud is formed. The threaded portion 6 of the bolt 5 protrudes from both side surfaces of the narrow portion 22. That is, as shown in FIG. 3, at the stage where the pair of biasing arm portions 15 and 15 are locked to the guide portion 21, the pair of claw portions 16 and 16 are not locked to the screw portion 6. As shown in FIG. 4, when the pair of urging arm portions 15, 15 are detached from the guide portion 21 and the pair of claw portions 16, 16 reach the position of the narrow portion 22, the pair of claw portions 16, 16 is locked to the screw portion 6.

  In addition, the guide part 21 which concerns on embodiment of this invention has each contact surface 23 and 23, and each inclined surface 24 and 24 which inclines toward each contact surface 23 and 23 from the vertex 25 of the guide part 21, and However, as shown in FIG. 5, the guide portion 21 may have contact surfaces 23, 23 on both sides, and the upper surface may be formed in a curved shape. In the case of this form, the curved surface 24 serves as a surface for locking the pair of claw portions 16, 16, and further guides to a position for locking the pair of claw portions 16, 16 to the screw portion 6. Function as.

A procedure for attaching the attached component 8 to the attachment surface 7 using the clip configured as described above will be described with reference to FIGS.
As shown in FIG. 2, the pair of urging arm portions 15, 15 provided on the clip 1 are forcibly opened by a pair of pins 2, 2 that are integrally projected from the mounted component 8 in advance. In addition, the clip 1 is assembled to the pair of pins 2 and 2, and the substantially intermediate portions of the pair of urging arm portions 15 and 15 are brought into contact with the respective contact surfaces 23 and 23 of the guide portion 21 and are extended substantially in parallel. In this state, the abutting surfaces 23 and 23 are elastically biased and locked, and the pair of claw portions 16 and 16 are locked to the inclined surfaces 24 and 24 of the guide portion 21. Is held by the pair of pins 2 and 2 (attached component 8). Therefore, at a position where the pair of claw portions 16, 16 are locked to the inclined surfaces 24, 24, the pair of claw portions 16, 16 are separated by a distance that is not locked to the screw portion 6.

Next, in a state where the clip 1 is held by the mounted component 8, as shown in FIG. 3, the stud bolt 5 protruding from the mounting surface 7 is inserted through the insertion hole 8 a of the mounted component 8 and the pedestal portion 12. The part to be attached 8 is brought into contact with the attachment surface 7 through the hole 19. At this time, as described above, the stud bolt 5 and the pair of pins 2 and 2 are arranged in a straight line, and the stud bolt 5, the guide portion 21, and the narrow portion 22 are overlapped in a side view.
Next, the upper surfaces of the pair of elastic arm portions 17 and 17 of the clip 1 are pushed downward from the state shown in FIG. 3 (see the arrows in FIG. 3), and the pair of claw portions 16 and 16 are put on the inclined surfaces 24 and 24, respectively. It is slid while expanding along the contact surfaces 23 and 23, separated from the guide portion 21 and moved to the narrow portion 22. Then, as shown in FIG. 4, the pair of urging means 15, 15 is released from the state held by the guide portion 21, and is inclined to the stud bolt 5 side. It abuts on the thread groove 6 ′ of the stud bolt 5 arranged substantially flush with both side surfaces of the narrow portion 22. Further, when the clip 1 is pushed in, the pair of pressing arm portions 20 and 20 are pressed and contracted while pressing the mounting surface 7, so that the clip 1 does not swing and the pushing direction is constant and reliably reaches a predetermined position. It can be pushed in.

  In the state of FIG. 4, the pair of elastic arm portions 17, 17 are in a compressed state, so that a repulsive force is applied to the pair of biasing arm portions 15, 15, and the pair of claw portions 16, 16. Is locked to the screw portion 6 and a repulsive force is also applied to the pedestal portion 12 so that the mounted component 8 is pressed against the mounting surface 7, and the mounted component 8 is firmly attached to the mounting surface 7. At the same time, the pair of pressing arm portions 20, 20 are pressed and contracted, a repulsive force is applied to the pair of biasing members 15, 15, and the pair of claw portions 16, 16 are firmly locked to the screw portion 6. Thus, the attached component 8 is more firmly attached to the attachment surface 7.

  As described above, according to the embodiment of the present invention, since the clip 1 is held in advance by the pair of pins 2, 2 that are integrally projected from the mounted component 8, Is carried in as one part while the clip 1 is held on the attached part 8, so that the distribution efficiency is improved and the number of assembling steps can be reduced as compared with the case where the conventional part is carried as two parts. The clip 1 has a pair of claw portions 16 and 16 locked to the inclined surfaces 24 and 24 and a pair of biasing arm portions 15 and 15 locked to the guide portion 21 by the biasing force. The pair of urging arm portions 15 and 15 do not deviate from the pair of pins 2 and 2. Furthermore, according to the embodiment of the present invention, when the attached component 8 is attached to the attachment surface 7, the clip 1 held by the attached component 8 is simply pushed a predetermined distance, and the pair of claw portions 16, Since 16 is locked to the threaded portion 6 of the stud bolt 5, the attached component 8 is reliably attached to the attachment surface 7, and the assembling work is simplified and the number of assembling steps can be further reduced. In addition, when the clip 1 is pushed to a predetermined position, the pair of claw portions 16 and 16 are detached from the guide portion 21 and vigorously contact the thread groove 6 ′ of the stud bolt 5. It becomes clear whether or not the clip 1 has been pushed to a predetermined position by a click sound or a click feeling, and the occurrence of a non-fitted state can be prevented.

  In the embodiment of the present invention, the pair of urging arm portions 15 and 15 are locked while elastically urging their substantially intermediate portions to the respective contact surfaces 23 and 23 of the guide portion 21, The pair of urging arm portions 15 and 15 are held by the pair of pins 2 and 2 in a state where the pair of claw portions 16 and 16 are locked to the inclined surfaces 24 and 24 of the guide portion 21. As another form in which the biasing members 15 and 15 are held by the pair of pins 2 and 2, the tip ends of the pair of biasing arm portions 15 and 15 are formed substantially linearly without forming the pair of claw portions 16 and 16. The pair of biasing arm portions 15, 15 are expanded by the guide portion 21, and the pair of biasing arm portions 15, 15 are locked to the guide portion 21 only by the biasing force of the pair of biasing arm portions 15, 15. You may let them.

FIG. 1 is a perspective view of a clip and a pin according to an embodiment of the present invention. FIG. 2 is a cross-sectional view showing a state in which the clip is held on the pin. FIG. 3 is a cross-sectional view illustrating a state in which the mounted component is in contact with the mounting surface. FIG. 4 is a cross-sectional view showing a state in which the part to be attached is attached to the attachment surface. FIG. 5 is a view showing another form of the guide portion of the pin.

Explanation of symbols

1 clip, 2 pins (holding member), 5 stud bolt (stud), 6 threaded portion (projected portion), 7 mounting surface, 8 mounted component, 11 locking portion, 12 base portion, 13 pressing portion, 15 attached Force arm part, 16 Claw part, 17 Elastic arm part, 20 Pressing arm part, 21 Guide part, 22 Narrow part, 23 Contact surface, 24 Inclined surface

Claims (3)

An attachment for attaching a part to be attached to a stud extending from an attachment surface,
The fixture comprises a clip that is locked to a ridge formed on the outer peripheral surface of the stud, and a holding member that holds the clip in a non-locked state that does not lock the ridge.
The clip includes a pedestal portion that receives the stud, a pair of locking portions fixed above the pedestal portion and biased toward the ridge portion, and a pair of locking portions fixed below the pedestal portion. A pressing portion that biases the portion toward the protruding portion ,
Further, the holding member, each of said engaging portion holds the unlocked state not engaged with the protruding portion, when mounted, to a position engaging the said respective engaging portions on the ridge A fixture having a guide portion for guiding.   The fixture according to claim 1, wherein the holding member is attached to the attached component. The holding member has a narrow portion extending perpendicularly from the attached component, and the guide portion formed at the upper end of the narrow portion,
The narrow portion is formed to have a width that allows the locking portions to be locked to the protrusions,
The guide portion includes a pair of abutting portions that hold the locking portions in a non-locking state in which the locking portions are not locked to the protrusions. The fixture according to claim 1 or 2, wherein the fixture is guided to the narrow portion and is locked to the protruding portion .

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