JP5863462B2 - Clamp - Google Patents

Description

  The present invention relates to a clamp for attaching a wire harness routed to an automobile to a predetermined attachment location of a vehicle.

  Conventionally, when wiring a wire harness to a vehicle, a clamp is used as a jig for fixing the wire harness to a mounting panel on the vehicle side at predetermined intervals in the length direction of the wire harness.

  The clamp generally includes a wire harness holding means to be attached to the wire harness and a vehicle attachment means to be attached to a predetermined attachment location in the vehicle. The wire harness holding means is wound around the outer periphery of the wire harness. And a lock body for fixing the band body wound around the wire harness.

  However, in the case of the above-described conventional clamp, even if the wire harness is fixed to the vehicle using the clamp, the arrangement positions of the plurality of electric wire groups constituting the wire harness as the vehicle vibrates due to the vehicle traveling or the like. The outer peripheral shape and diameter of the wire harness may fluctuate due to deviation from each other, and a gap may be generated between the band body and the wire harness around which the band body is wound.

  For this reason, the conventional clamp has a problem that at the beginning of winding, even if the band body can be wound around the wire harness with a strong tightening force, the band body loosens with time. It was.

  Also, if the tightening force of the band body wrapped around the wire harness is originally weak from the beginning of attaching the clamp to the wire harness, the band body will be loosened, but conversely, tightening with a stronger tightening force than necessary. In such a case, the wire harness or the band body may be loaded and damaged.

  For this reason, it is necessary to lock the band body wound around the wire harness with the lock body in a state in which the band body is tightened with an appropriate tightening force. Therefore, it is necessary to pay attention to the tightening condition, and it has not been possible to further improve the efficiency of the wiring harness wiring work.

  In particular, wiring work for wire harnesses requires workers to attach multiple clamps one at a time, and in recent years, the wiring route for wire harnesses to be routed on vehicles has become more complex and longer. Therefore, it is increasingly difficult to tighten all of the plurality of clamps with an appropriate tightening force.

  For this reason, when a wire harness is tightened by a band body with a weak tightening force among a plurality of clamps, a longitudinal displacement (lateral displacement) of the wire harness occurs at that portion, and the wire harness In addition to being unable to regulate the position, there also arises a problem that the wire harness is damaged by rubbing against the band body.

  In order to solve such a problem, Patent Document 1 proposes a harness binding clamp as a clamp that can easily clamp a band wound around a wire harness with a strong clamping force.

  The harness bundling clamp of Patent Document 1 has triangular projections formed in a side view in triangles formed at regular intervals in the length direction of the band body arranged in two rows on the inner surface of the band body, and exists on one row side. The direction of the triangular protrusion and the triangular protrusion existing on the other row side are opposite to each other.

  According to Patent Document 1, the harness bundling clamp has the above-described configuration, and the triangular protrusions firmly bite into the harness side and can reliably prevent the bundling clamp from rotating in any direction. In addition, an action and an effect that the rotation of the binding clamp with respect to the harness can be prevented are described.

  However, as described above, as the vehicle vibrates, the outer shape and diameter of the wire harness change due to the arrangement positions of the plurality of electric wire groups constituting the wire harness wound with the band body being shifted from each other. There is a case.

  For this reason, in the harness binding clamp of Patent Document 1, at the beginning of winding the band body, even if the triangular protrusion can bite into the harness side and a strong tightening state can be obtained, gradually with time, The tightening force of the band body itself, which is a premise of the tightening effect of the wire harness due to the triangular protrusion biting in, becomes weaker. If it does so, the wedge effect by a triangular protrusion biting will also become weak, and the subject that sufficient tightening force cannot be obtained will arise.

Japanese Patent No. 3252343

  Therefore, an object of the present invention is to provide a clamp that can be fixed in a state where the wire harness is tightly wound with the band body even when the vehicle vibrates.

The present invention is composed of a wire harness holding means for mounting the wire harness, and the vehicle attachment means for attaching a predetermined attachment position in a vehicle, the wire harness holding means for holding the wire harness is wound around the outer periphery of the wire harness flexibility and the band body having, a clamp which is constituted by a locking member for securing the band body in a state wound around the wire harness, at least in the circumferential direction of the band body in a state of wound around the wire harness In part, a radially inward protruding portion that protrudes in the radially inward direction compared to the inner surface of the other circumferential portion of the band body is provided, and on the radially outer side of the radially inward protruding portion in the band body. Compared to the outer surface of the other part in the circumferential direction of the band body so as to allow bending deformation of the band body Is deformable deformation space in the inner direction and configured in a concave shape is formed, the length of the base end side of a predetermined portion of said band body, together with the portion attached wire harness winding is provided to wind against the wire harness, the wire harness A band body engaging portion is provided on the distal end side from the winding portion, and the wire harness winding portion is arranged in a wave shape by arranging a plurality of the radially inward protruding portions along the length direction of the wire harness winding portion. And the lock body includes an engagement protrusion and an engagement protrusion that allows the engagement protrusion to be engaged, and the engagement protrusion includes the band body engagement portion and It is formed in a part of the front end side of the said wire harness winding part, The said engagement protrusion is integrally formed with the said vehicle attachment means, It is characterized by the above-mentioned.

  In addition, as described above, the radially inward protruding portion is provided so as to protrude in the radially inward direction compared to the inner surface of the other circumferential portion of the band body, and the radially extending portion of the radially inward protruding portion is provided. The outer portion is configured to be concave in the radially inward direction compared to the outer surface of the other portion in the circumferential direction of the band body, and the inner surface of these radially inward protruding portions and the radially inward protruding portion Each shape with the outer surface may be, for example, the same shape as each other, shapes with different curvatures, protrusion amounts, or the like, and can be formed in various shapes.

  The wave shape includes, for example, a sine wave, a triangular wave, a sawtooth wave, a rectangular wave, a trapezoidal wave, or a composite wave thereof, and further, different waveforms are used for the inner surface and the outer surface of the wire harness winding portion. May be formed.

  Furthermore, the number of peak portions and trough portions of the wire harness winding portion formed in a wave shape (wave period) and the magnitude of the amplitude of the wave, particularly if the wave shape can hold the wire harness, Not limited.

  Furthermore, as a method of forming the wire harness winding portion in a wave shape along the length direction of the wire harness winding portion, for example, a method of forming the wire harness winding portion into a wave shape can be exemplified. In addition, for example, a method of forming a wave shape by applying heat to the linear wire harness winding portion at appropriate intervals and shrinking and deforming the heat-applied portion may be mentioned. it can.
  The manufacturing method of the said wire harness winding part is not limited to the manufacturing method mentioned above, If the said wire harness winding part can be formed in a wave shape along the length direction of this wire harness winding part The manufacturing method is not limited.

  According to the clamp of the present invention, since the restoring force (elastic force) that tries to restore the shape before bending deformation acts on the band body that has been bent and deformed, the outer shape of the wire harness fluctuates in the band body. Even if it follows the outer periphery shape after the fluctuation | variation, it can urge | bias with respect to the said wire harness after a fluctuation | variation.

  As described above, the wire harness can be tightened by the band body in a state where the restoring force (elastic force) to be restored by the flexurally deformed band body is utilized as the tightening force, and thus the wire harness is more firmly attached to the band body. It can be wound in a tightened state.

  In addition, for all the clamps without being affected by fluctuations in the tightening force for each of the plurality of clamps, the band body can be securely attached to the wire harness without any loosening even if vibration or the like occurs in the vehicle, and Can be fixed in a smoothly wound state.

In addition, a wire harness winding portion that is wound around the wire harness is provided at a predetermined portion on the proximal end side in the length direction of the band body, and a band body engaging portion is provided on the distal end side from the wire harness winding portion. The wire harness winding portion is provided and is formed in a wave shape by arranging a plurality of radially inward protruding portions along the length direction of the wire harness winding portion. In the state wound around the wire harness, the wire harness can be wound evenly with the excellent tightening force by the elastic force with respect to the entire circumferential direction of the band body.

  Furthermore, while firmly holding the outer periphery of the wire harness by a plurality of radially inward protruding portions arranged in the circumferential direction, even if the arrangement position of the wires constituting the wire harness is shifted due to the vibration of the vehicle, etc. Since the wire harness winding portion is bent and deformed, the wire harness can be maintained in a tightened state by the restoring force of the bending deformation wire harness winding portion.

The front Symbol lock body, engages protrusion be constituted by a engaged protrusions to allow engagement of the engagement projection piece, the engaged projection is the band member engagement portion and the Since the engagement protrusion is formed integrally with the vehicle mounting means, the engagement protrusion is formed in a state where the band body is wound around the wire harness. When locking by engaging with the engaged protrusion, the band body can be locked smoothly and firmly without disturbing the radially inward protruding portion formed on the wire harness winding portion. it can.

  Moreover, as an aspect of this invention, the said wire harness winding part can be formed with the same thickness along a length direction.

  According to this structure, since the said wire harness winding part was formed so that it might become the same thickness along a length direction, in the state which wound the said wire harness winding part with respect to the wire harness, the said wire in the circumferential direction Due to the difference in the thickness of the harness winding portion, there is no difference in the bending deformability in the circumferential direction of the wire harness winding portion, so the wire harness extends over the entire circumferential direction of the wire harness winding portion. It is possible to obtain uniform elasticity (restoring force) for tightening the wire harness and to tighten the wire harness in a balanced manner.

  According to this invention, even if the vehicle vibrates, it is possible to provide a clamp that can be fixed in a state where the wire harness is tightly wound with the band body.

The perspective view of a clamp. The front view of a clamp. The side view (a) of a clamp and the bottom view (b) of a clamp. Structure explanatory drawing of the lock body which comprises a part of clamp. Action | operation explanatory drawing of a clamp. Action | operation explanatory drawing of a clamp. Structure explanatory drawing of the clamp of other embodiments. Structure explanatory drawing of the clamp of other embodiments. The structure explanatory drawing of the conventional clamp. The operation explanatory view of the conventional clamp. The operation explanatory view of the conventional clamp.

An embodiment of the present invention will be described below with reference to the drawings.
As shown in FIGS. 1 to 4, the clamp 1 according to the present embodiment includes a wire harness holding portion 10 that is attached to and held by the wire harness 100 and a vehicle attachment portion 50 that is attached to a predetermined attachment hole 200 a of the attachment panel 200 in the vehicle. It is composed integrally with.

  The wire harness holding portion 10 includes a band body 20 that holds the wire harness 100 in a state wound around the outer periphery of the wire harness 100 and a lock body 60 that fixes the band body 20 wound around the wire harness 100. ing.

  In other words, the clamp 1 includes the clamp body 40 and the band body 20, and is integrally formed in a form in which one end side in the length direction of the band body 20 is integrally connected to the upper side of the clamp body 40. . The clamp body 40 is provided with a lock engaging portion 30 for locking the band body 20 at the upper portion, and the vehicle mounting portion 50 is provided at the lower portion.

1 shows a perspective view of a state in which the wire harness 100 is held by being wound around the outer periphery of the wire harness 100. FIG. FIG. 2 is a front view of the wire harness 100 showing a state immediately before being attached to a predetermined attachment hole 200a in the vehicle in a state where the wire harness 100 is held around the outer periphery of the wire harness 100, and FIGS. ) Shows a side view and a bottom view of the clamp 1 in a state where the band bodies 20 are arranged linearly. FIG. 4 is an explanatory diagram of the configuration of the lock body 60 showing the configuration of the lock body 60 in the clamp 1 by a cross section.
Further, in the following description, unless otherwise specified, as shown in FIG. 2, when the clamp 1 is inserted into the mounting hole 200a of the panel in the vehicle and attached, the insertion direction is the downward direction Dd, The opposite direction will be described as the upward direction Du.

  The band body 20 is formed in the shape of a quadrilateral band with a cross-sectional view that is thinner than the width direction over the entire length in the length direction, and has flexibility. The band body 20 has a portion extending from the proximal end portion 20s in the length direction to the distal end portion 20t as a wire harness winding portion 21 and locks the distal end portion 20t from the wire harness winding portion 21. The band body engaging portion 25 is engaged with the engaging portion 30.

  The wire harness winding portion 21 has a length that can be wound around the wire harness 100, forms the entire length direction with the same wall thickness, and is sinusoidal in side view along the length direction, that is, wire harness winding. It forms so that it may protrude alternately to the surface side and the back surface side of the attaching part 21 along the length direction.

  In other words, as shown in the enlarged view of the portion X in FIG. 2, the inner surface 23 b of the other portion 23 in the circumferential direction of the wire harness winding portion 21 in the state where the wire harness winding portion 21 is wound around the wire harness 100. Compared to the above, a plurality of portions projecting in the radially inward direction are formed in the circumferential direction, and the projecting portion is formed as a radially inward projecting portion 22.

  Further, as shown in the enlarged view of the portion X in FIG. 2, the wire harness is allowed to be deformed outwardly in the radial direction of the radially inward protruding portion 22 in the wire harness winding portion 21. Compared with the outer surface 23a of the other part 23 of the circumferential direction of the harness winding part 21, the bending deformation | transformation tolerance space 22A comprised in the radial inside direction is comprised.

  As described above, a plurality of radially inward projecting portions 22 are arranged over the circumferential direction of the wire harness winding portion 21, and the radially inward projection portion 22 in the wire harness winding portion 21 is disposed outside in the radial direction. By providing the bending deformation allowable space 22 </ b> A, the wire harness winding portion 21 is configured as a band body bending deformation portion that bends and deforms according to the outer peripheral shape of the wire harness 100.

  As shown in FIG. 4, the band body engaging portion 25 has a concave bottom portion 25 a that is concave on the outer surface 21 a side of the band body engaging portion 25 with respect to the outer surface 21 a of the wire harness winding portion 21 in the length direction. It is formed along. The concave bottom portion 25a of the band body engaging portion 25 is formed with a depth that is substantially half the thickness of the wire harness winding portion 21, and a plurality of engaged protrusions 62 are formed along the longitudinal direction. It is arranged. The engaged protrusions 62 are formed with a protruding amount that is substantially the same thickness as the thickness of the wire harness winding portion 21 from the concave bottom portion 25a.

  Further, as described above, the connecting portion 31 that integrally connects the base end side portion 20s in the length direction of the band body 20 to the upper portion of the predetermined side surface on the side circumferential surface with respect to the vertical direction D of the lock engaging portion 30. have. As shown in FIG. 4, the band body engaging portion 25 is allowed to be inserted along the direction connecting the side surface of the lock engaging portion 30 having the connecting portion 31 and the side surface opposite to the side surface. A band body insertion hole 32 is formed so as to penetrate therethrough.

  Of the plurality of engaged protrusions 62 disposed along the length direction of the band body engaging portion 25 in a state where the band body 20 is inserted into the band body insertion hole 32, the lower surface of the band body insertion hole 32 is An engaging protrusion 61 that engages with any one of these is formed in a protruding shape toward the band body insertion hole 32.

  In other words, the above-described lock body 60 is configured by the engagement protrusions 61 formed on the lock engagement portion 30 and the engagement protrusions 62 formed on the band body engagement portion 25.

  Next, the vehicle attachment portion 50 will be described. The vehicle attachment portion 50 includes an insertion protrusion 51 formed in a shape protruding downward Dd with respect to the lock engagement portion 30 so as to be insertable into an attachment hole 200a formed in the attachment panel 200 of the vehicle body, and the insertion protrusion It is formed at the base end portion of the portion 51 and is configured with a hook-shaped insertion stopper portion 52 that presses the surface of the mounting panel 200. Further, the insertion protrusion 51 is inserted from the front surface side of the insertion protrusion main body 51a and the attachment hole 200a drilled in the attachment panel 200, and has a larger diameter than the attachment hole 200a on the back surface side. A hook 51b projecting sideways from 51a is formed in a bowl shape.

The operation and effect of the clamp 1 described above will be described with reference to FIGS. 5, 6, and 9 to 11.
5 (a) and 5 (b) are operation explanatory views of the clamp 1 of the present embodiment schematically showing a part of the state wound around the wire harness 100 by the band body 20, and in particular, FIG. ) Shows an initial state in which the band body 20 is wound around the wire harness 100. FIG.5 (b) has shown the winding state of the wire harness 100 by the band body 20 when the outer periphery diameter of the wire harness 100 fluctuates with progress of time.

6A shows an enlarged view of the X1 portion of FIG. 5A, and FIG. 6B shows an enlarged view of the X2 portion of FIG. 5B.
FIG. 9A shows a front view of a conventional clamp 500 in a state where the band body 520 is wound around the wire harness 100. FIG. 9B shows a side view of a conventional clamp 500 in a state where the band bodies 520 are arranged linearly.

10 (a) and 10 (b) are operation explanatory views of a conventional clamp 500 schematically showing a part of the state in which the band body 520 is wound around the wire harness 100. In particular, FIG. The initial state in which the band body 520 is wound around the wire harness 100 is shown. FIG. 10B shows a winding state of the wire harness 100 by the band body 520 when the outer peripheral diameter of the wire harness 100 varies.
11A shows an enlarged view of the Y1 portion of FIG. 10A, and FIG. 10B shows an enlarged view of the Y2 portion of FIG. 10B.

  According to the clamp 1 of this embodiment, when the band body 20 is wound around the wire harness 100, the wire harness winding portion 21 is bent and deformed by the tightening of the band body 20. And by the fastening force F (refer FIG. 6 (a), (b)) including the restoring force (elastic force) which acts to restore to the shape before this wire harness winding part 21 which carried out the bending deformation is bent and deformed. Since the wire harness 100 can be tightened, the wire harness 100 can be securely held in a wound state.

  Specifically, by winding the band body 20 of the clamp 1 around the wire harness 100, at least at the beginning of winding, the tightened state can be maintained and the wire harness 100 can be firmly held.

However, for example, when there is an extra gap between a plurality of electric wires 100a constituting the wire harness 100 or a group of electric wires bundled with a plurality of electric wires 100a, the vehicle vibrates. A situation may occur in which the arrangement positions of the plurality of electric wires 100a gradually change due to disappearance of these extra gaps.
In such a case, the outer peripheral shape and outer diameter of the wire harness 100 change with time.

  When such a situation occurs, the band body 520 of the conventional clamp 500 has flexibility. However, as shown in FIG. Since it does not include the radially inward protruding portion 22 in the circumferential direction, it has a cylindrical shape having a substantially constant curvature and is long in a state where it is not wound around the wire harness 100 as shown in FIG. In the vertical direction, the band body 520 has a linear shape in which the inner surface and the outer surface are parallel to each other.

  As shown in FIGS. 10A and 11A, the conventional clamp 500 provided with the band body 520 having the above-described configuration is the band body 520 when the band body 520 is wound around the wire harness 500 at the beginning. However, the wire harness 100 can be firmly held in a state where the wire harness 100 is in contact with the plurality of electric wires 100a located on the outer peripheral side of the wire harness 100.

  However, as described above, due to vehicle vibration or the like, the arrangement position of the plurality of electric wires 100a gradually changes, the outer shape or outer diameter of the wire harness 100 changes, or the lock body 60 has a plurality of FIG. 10B and FIG. 11B show the case where the band body 520 is loosened due to the engagement of the engaged protrusion 61 with the engaging protrusion 62 being unintentionally shifted by one. As described above, a gap S is generated between the wire harness 100 and the band body 520.

  Then, the tightening force of the wire harness 100 by the band body 520 becomes weak, or the wire harness 100 cannot be tightened by the band body 520, and the attachment position of the wire harness 100 in the length direction of the wire harness 100 by the clamp 500 Can not be fixed.

  On the other hand, when the clamp 1 of this embodiment forms the wire harness winding part 21 of the band body 20 in a wave shape along the length direction and holds the wire harness 100, the diameter in the band body 20 is described. A bending deformation allowable space 22 </ b> A that allows the wire harness winding portion 21 to be bent and deformed is formed on the radially outer side of the inward protruding portion 22. For this reason, when the wire harness winding part 21 having flexibility is wound around the wire harness 100 and an external force is received from the outer periphery of the wire harness 100, the wire harness winding part 21 is flexibly deformed. This can be permitted by the bending deformation allowable space 22A.

  Therefore, the wire harness winding part 21 becomes flexible and easily deformed flexibly according to the outer peripheral shape of the wire harness 100, and the wire harness winding part 21 that has been bent and deformed according to the outer peripheral shape after the fluctuation of the wire harness 100 is restored. The wire harness 100 can be held by a sufficient tightening force (biasing force) including a force (elastic force).

  Specifically, as shown in FIG. 5A and FIG. 6A, from the initial winding state in which the wire harness 100 is held by the band body 20, for example, as described above, the outer shape of the wire harness 100 This is a case in which the outer circumferential length of at least one of the band body 20 and the wire harness 100 varies with time, due to variations in the outer diameter.

  Even in such a case, as shown in FIG. 5B and FIG. 5B, the arrangement position of the electric wire 100 a where the wire harness winding portion 21 is located on the outer peripheral side of the wire harness 100 is changed. By a sufficient tightening force F including the restoring force (elastic force) of the wire harness winding portion 21 that is deformed to be bent (elastically deformed) so as to follow the wire harness 100 and is bent and deformed according to the outer peripheral shape after the fluctuation of the wire harness 100. The wire harness 100 can be held.

  Therefore, compared to the conventional clamp 500 that tightens the wire harness 100 only by the tightening force of the band body 20 when the band body 20 is wound around the wire harness 100, the vehicle vibrates or after a long time has passed. However, since the fastening force of the wire harness 100 of the band body 20 is not weakened, the band body 20 can be prevented from being loosened.

  Further, even when the worker attaches the wire harness 100 to the vehicle with the plurality of clamps 1 on the site, the band body 20 is reliably and smoothly wound around the wire harness 100 for all the clamps 1. Can be fixed in the state.

  Specifically, in recent years, as the routing route of the wire harness 100 to be routed on the vehicle becomes complicated and lengthened, the operator performs the work of tightening the band body 20 around the wire harness 100 at the site. Since it is necessary to perform one for each of the plurality of clamps 1, it is difficult to fasten the band bodies 20 of all the clamps 1 to the wire harness 100 with a constant fastening force.

  For this reason, in some clamps 1, the case where a tightening force is small with respect to a desired tightening force may occur, and in the case of such a winding mode where the tightening force is weak, due to vibration of the vehicle, etc. There arises a problem that the wire harness 100 may not be fixed to the vehicle.

  On the contrary, when the operator winds the band body 20 around the wire harness 100 at the site, the band body 20 and the wire harness 100 are configured when the band body 20 is tightened with an unnecessarily strong tightening force. There exists a problem that there exists a possibility of damaging the electric wire 100a.

  On the other hand, when the operator tightens by utilizing the restoring force (elastic force) generated along with the bending deformation of the wire harness winding part 21, regardless of the difference in the tightening degree for each clamp 1, It can be firmly tightened with an appropriate tightening force.

  Accordingly, when the worker attaches the wire harness 100 to the vehicle with the plurality of clamps 1 on the vehicle at the site, the band body 20 is not affected by the difference in tightening force for each of the plurality of clamps 1 of the wire harness 100. All the clamps 1 can be reliably and smoothly fixed in a state where the band body 20 is wound around the wire harness 100.

  Furthermore, the clamp 1 of this embodiment is provided with the wire harness winding part 21 which has flexibility as above-mentioned, The length direction of this wire harness winding part 21 is provided with the said wire harness winding part 21 Are formed in a wave shape in which a plurality of radially projecting portions 22 are arranged. For this reason, in the state where the wire harness winding part 21 is wound around the wire harness 100, a plurality of bending deformation allowable spaces are arranged according to the period in which the radially inward protruding parts 22 are arranged in the circumferential direction of the wire harness winding part 21. 22A can be provided.

  Therefore, the wire harness winding part 21 can be bent and deformed according to the external force received from the wire harness 100 over the entire circumferential direction, and includes the restoring force (elastic force) of the bent wire harness winding part 21. It is possible to hold the wire harness 100 in a state of being wound around the entire circumferential direction with an excellent clamping force.

  Furthermore, as described above, the clamp 1 of the present embodiment forms the radially inward protruding portion 22 only in the wire harness winding portion 21, and the wire harness winding portion in the length direction of the band body 20. The band body engaging portion 25 is formed on the distal end side portion 20 t with respect to 21. Thus, since the band body engaging portion 25 is configured not to form the radially inward projecting portion 22, the engagement protrusion 61 in the lock body 60 is provided with the band body 20 wound around the wire harness 100. When engaging with the engaged protrusion 62, the engaging protrusion 61 can be smoothly and firmly engaged with the engaged protrusion 62 without the radially inward protruding portion 22 interfering. .

  In addition, since the clamp 1 of the present embodiment is formed so that the wire harness winding portion 21 has the same thickness along the length direction, in the state where the wire harness winding portion 21 is wound around the wire harness 100, Because the difference in the thickness of the wire harness winding part 21 in the direction does not cause a difference in bending and deformability in the circumferential direction of the wire harness winding part 21, the wire harness winding part 21 extends over the entire circumferential direction. And uniform elasticity (restoring force) can be obtained, and the wire harness 100 can be clamped in a balanced manner in the circumferential direction.

  Furthermore, since the clamp 1 of this embodiment formed the wire harness winding part 21 so that it might become the same thickness along a length direction as mentioned above, for example, the length direction of the wire harness winding part 21 is formed. Like the clamp 1 that is configured to have at least a portion thinner than other portions, the strength of at least a portion in the length direction is not weakened, and a sufficient strength can be ensured over the entire length. On the other hand, the material cost of at least a portion in the length direction is unnecessarily increased like the clamp 1 configured to be thicker than at least a portion in the length direction of the wire harness winding portion 21 compared to other portions. And can be formed at low cost.

In the correspondence between the configuration of the present invention and the above-described embodiment,
The wire harness holding means corresponds to the wire harness holding part 10,
The vehicle mounting means corresponds to the vehicle mounting portion 20,
Although the predetermined attachment location in the vehicle corresponds to the attachment hole 200a of the attachment panel 200, the present invention is not limited to the above-described embodiment, and can be formed in various other embodiments.
For example, although the wire harness winding part 21 can be formed in a wave shape, it is not limited to a sine wave as described above, and can be formed in various wave shapes.

  Specifically, as shown in FIG. 7A, the band body 20x of the clamp 1x includes a wire harness winding portion 21x formed in a wave shape by arranging the radially inward protruding portions 22x in the circumferential direction. Yes.

  The wire harness winding portion 21x is formed in an annular outer peripheral shape other than the radially inward protruding portion 22x in the circumferential direction, while the radially inward protruding portion 22x is stepped in the radially inward direction. While projecting, the tip end portion of the radially inward protruding portion 22x is formed in an annular outer peripheral shape having a smaller diameter than the diameter of other portions other than the radially inward protruding portion 22x.

  Further, as shown in FIG. 7B, the band body 20y of the clamp 1y includes a wire harness winding portion 21y in which radially inward protruding portions 22y are disposed at respective portions spaced apart from each other in the circumferential direction. Yes.

The wire harness winding portion 21y forms other portions in the circumferential direction other than the radially inward protruding portion 22y in an annular outer peripheral shape, while the radially inward protruding portion 22y has a smooth arc shape in the radially inward direction. It is formed in a shape protruding.
Such a shape of the wire harness winding portion 21y is also included in the wave shape of the present invention.

  Furthermore, as shown in FIG. 7 (c), a wire harness winding is formed on the band body 20z of the clamp 1z so as to be formed in a wave shape by disposing the radially inward protruding portions 22z at respective portions spaced apart from each other in the circumferential direction. A portion 21z is provided.

The wire harness winding portion 21z has an outer surface and an inner surface formed in different wave shapes and formed in different thicknesses in the circumferential direction.
Furthermore, the outer surface and the inner surface of the wire harness winding portion 21z are both formed in a triangular waveform, and project inward in the radial direction in a state where the period and phase of the waveform are matched in the circumferential direction.
Such a shape of the wire harness winding portion 21z is also included in the wave shape of the present invention.

  Of the configurations of the clamps 1x, 1y, and 1z described with reference to FIGS. 7A, 7B, and 7C, the description of the configuration similar to the clamp 1 in the first embodiment described above will be described. Omitted.

  The clamp 1x shown in FIG. 7 (a), the clamp 1y shown in FIG. 7 (b), and the clamp 1z shown in FIG. 7 (c) make the wire harness winding portions 21x, 21B, and 21C corrugated, respectively. Therefore, when the wire harness 100 is held, the wire harness winding portions 21x, 21B are disposed on the radially outer side of the radially inward protruding portions 22x, 22y, 22z in the wire harness winding portions 21x, 21y, 21z. , 21C to allow bending deformation 22Ax, 22Ay, 22Az. For this reason, the flexible wire harness winding portions 21x, 21y, and 21z are easily bent and deformed flexibly according to the outer peripheral shape of the wire harness 100, and in any clamp 1, the bent wire harness is deformed. The wire harness 100 can be firmly held by the restoring force (elastic force) of the winding portions 21x, 21y, and 21z.

Further, as in the clamp 1 described above as another embodiment of the clamp of the present invention, the present invention is not limited to the embodiment in which the band body 20 is extended from the side of the lock engaging portion 30 of the clamp body 40, but FIG. As shown in FIG. 4, the band body 20 is extended in the upward direction Du from the upper surface of the lock engaging portion 30, specifically, the surface opposite to the vehicle mounting portion 50 protruding from the lock engaging portion 30. You may comprise by the clamp 1A.
In addition, Fig.8 (a) is a front view of clamp 1A of other embodiment.

  Thereby, when the band body 20 is wound around the wire harness 100, the upper end portion of the lock engaging portion 30 abuts on the wire harness 100, and the upper end portion does not get in the way. The wire harness 100 can be stably held, and the wire harness 100 can be easily attached to the attachment panel 200.

  As another embodiment of the clamp of the present invention, the clamp 1B includes a wire harness winding portion 21 and a band body member in the length direction of the band body 20, as shown in FIGS. 8 (b1) and (b2). In addition to the band body engaging portion 25, the wire harness winding portion 21 </ b> B has a plurality of the plurality of engaged protrusions 62 not only provided in the band body engaging portion 25 among the joint portion 25. The structure which provided the to-be-engaged protrusion 62 may be sufficient.

That is, the engaged protrusion 62 is not only the surface of the band body engaging portion 25 which is a linear tip portion in the length direction of the band body 20 but also the wire harness winding portion 21B which is a sinusoidal portion in a side view. A configuration may be employed in which a plurality of the surfaces are arranged along the length direction.
FIG. 8B1 is a bottom view of the clamp 1B according to another embodiment. FIG. 8B2 shows an enlarged view taken along the line AA in FIG. 8B1.

  The clamp 1 </ b> B having such a configuration has the band body engaging portion 25 protruding from the lock engaging portion 30 in a state where the band body engaging portion 25 in the length direction of the band body 20 is inserted into the band body insertion hole 32. By pulling the tip portion, the annular wire harness winding portion 21B can be narrowed, and not only the band body engaging portion 25 but also the wire harness winding portion 21B can be inserted into the band body insertion hole 32. it can.

  Then, any one of the plurality of engaged protrusions 62 disposed on the surface of the wire harness winding portion 21 </ b> B is engaged with the engaging protrusion 61 formed on the lock engaging portion 30. Can be made.

  As a result, the above-described clamp 1 </ b> B firmly holds the engaged protrusion 62 formed on the band body engaging portion 25 even when the engaging protrusion 62 formed on the lock engaging portion 30 is engaged. Even the small-diameter wire harness 100 that cannot be used can be held firmly.

Moreover, the clamp of the present invention is not limited to the configuration of the clamps 1, 1x, 1y, 1z, 1A, and 1B of the above-described embodiments, and can be configured in various embodiments.
For example, the clamp according to the present invention includes the wire harness winding portions 21, 21x, 21y, 21z, and 21B and the band body engaging portion 25 in the length direction of the band bodies 20, 20x, 20y, and 20z. It is not limited to the ratio.

  For example, although not illustrated, the length of the band body engaging portion may be longer or shorter than the length of the band body engaging portion 25 of the embodiment described above, or the length of the wire harness winding portion may be described above. It is good also as long or short rather than the length of the wire harness winding part 21,21x, 21y, 21z, 21B of embodiment which was made.

1, 1x, 1y, 1z, 1A, 1B ... Clamp 10 ... Wire harness holding part 20, 20x, 20y, 20z ... Band body 21, 21x, 21y, 21z, 21B ... Wire harness winding part 22, 22x, 22y, 22z: radially inward protruding portion 22A, 22Ax, 22Ay, 22Az ... bending deformation allowable space 25 ... band body engaging portion 50 ... vehicle mounting portion 60 ... lock body 61 ... engaging protrusion 62 ... engaged protrusion 100 ... wire Harness 200 ... Mounting panel 200a ... Mounting hole

Claims (2)

Is composed of a wire harness holding means for mounting the wire harness, and the vehicle attachment means for attaching a predetermined attachment position in the vehicle,
The wire harness holding means, which is constituted by a band member having flexibility for holding the wire harness is wound around the outer periphery of the wire harness, a locking member for securing the band body in a state wound around the wire harness clamp Because
Wherein at least a portion of the circumferential direction of the band body in the state wound around the wire harness, radially inwardly projecting portion projecting radially inward direction as compared to the inner surface of the other portions of the circumferential direction of the band body is provided,
On the outer side in the radial direction of the radially inward protruding portion of the band body, a concave shape is formed in the radial direction in comparison with the outer surface of the other portion in the circumferential direction of the band body so as to allow bending deformation of the band body. The configured bending deformation allowable space is formed ,
A wire harness winding portion that is wound around the wire harness is provided at a predetermined portion on the proximal end side in the length direction of the band body, and a band body engaging portion is provided on the distal end side from the wire harness winding portion. ,
The wire harness winding portion is formed in a wave shape by arranging a plurality of the radially inward protruding portions along the length direction of the wire harness winding portion,
The lock body includes an engaging protrusion and an engaged protrusion that allows the engaging protrusion to engage,
The engaged protrusion is formed on a part of the band body engaging portion and the distal end side of the wire harness winding portion,
The clamp in which the engaging protrusion is integrally formed with the vehicle mounting means . The clamp according to claim 1 , wherein the wire harness winding portion is formed with the same thickness along the length direction.

Images