JP6690833B2 - Seal member and camera unit including the same - Google Patents

Description

  The present invention relates to a seal member and a camera unit including the seal member.

  It is possible to increase the number of vehicles equipped with in-vehicle cameras by displaying the exterior position of the vehicle, such as the rear or side of the vehicle, where the driver's visibility is poor and allowing the driver to see this image from the driver's seat for traffic safety. There is. In particular, for large vehicles such as buses and trucks, in-vehicle cameras have become a very effective means for traffic safety and safe driving.

  On the other hand, when the vehicle-mounted camera is mounted outside the vehicle to photograph the rear of the vehicle, the vehicle-mounted camera is mounted so that the imaging direction is opposite to the traveling direction of the vehicle. That is, the rear part of the vehicle-mounted camera faces forward in the traveling direction of the vehicle. For this reason, the rear surface (one surface) of the in-vehicle camera where the cable outlet (cable insertion hole) is located is greatly affected by wind and rain, and there is a possibility that wind and rain may enter the inside of the camera through the cable outlet and cause an image defect. It was

  For this reason, electronic devices such as vehicle-mounted cameras in related technologies are provided with grommets to seal the cable outlet and the root of the cable to ensure waterproofness. Reference 1).

JP, 2014-75825, A

  However, in the sealing process using a grommet or the like, for example, when the cable is routed around, the base part of the cable bends, and a gap is created in the sealed part due to the bending of the cable. There was a risk of wind and rain entering the interior.

  In view of the above circumstances, it is an object of the present invention to provide a seal member that can more reliably prevent wind and rain from entering the inside of an electronic device, and a camera unit including the seal member.

  The seal member of the present invention is a seal member for sealing the periphery of a cable drawn from one surface of an electronic device, and is integrally formed with a mounting surface that directly or indirectly adheres to the one surface. And a tubular portion that protrudes in the pulling-out direction of the cable and is in close contact with the outer periphery of the cable, and the tubular portion and the mounting surface are vertically divided. To do.

In the present invention, a plurality of split pieces obtained by vertically splitting the tubular portion and the mounting surface are assembled so as to enclose the root portion of the cable in the tubular portion, and one surface of an electronic device having a cable outlet. It is possible to bring the attachment surface into close contact with the tubular portion, and to bring the tubular portion into close contact with the outer circumference of the cable inserted through the inside of the tubular portion.
With this, the root portion of the cable can be positioned and held by the seal member, and bending of the root portion of the cable can be prevented. In addition, since it is possible to prevent the root portion of the cable from being bent, it is possible to prevent a gap from being formed at the cable outlet. Further, it is possible to prevent the cable from being pulled out.

  In addition, in the seal member of the present invention, it is desirable that an attachment hole that is used to fix and attach the seal member to the electronic device with a fastener is provided in the attachment portion that forms the attachment surface.

  In the present invention, the seal member can be fixedly attached to the electronic device by inserting a fastening tool such as a screw into the attachment hole and fixing the sealing member to the electronic device. As a result, the root portion of the cable can be reliably positioned and held.

  Further, in the seal member of the present invention, the tubular portion is provided with an annular inner rib that is connected from the inner surface in the circumferential direction while projecting radially inward of the axial center of the tubular portion, and that is in close contact with the outer periphery of the cable. Is more desirable.

  In the present invention, the tubular portion is provided with the annular inner rib projecting radially inward from the inner surface thereof and connected in the circumferential direction, so that a plurality of divided pieces are assembled and the inner rib is attached to the outer circumference of the cable. Can be closely attached. Since the inner ribs are arranged so as to present an annular shape in a state where the plurality of divided pieces are assembled, the inner ribs can position and hold the root portion of the cable, and the inner ribs have a sealing effect (shielding effect). Thus, it is possible to prevent wind and rain from entering the cable outlet side of the electronic device through the inside of the tubular portion.

  Further, in the seal member of the present invention, a tip rib that is provided so as to project from the attachment surface on the side opposite to the tubular portion and is provided so as to surround at least a part of the periphery of the cable is provided. Is more desirable.

  In the present invention, the tip end of the tip rib, which is provided so as to project from the mounting surface on the opposite side of the tubular portion and surrounds at least a part of the circumference of the cable, contacts the one surface of the electronic device. Then, it becomes possible to more reliably position and hold the seal member, and thus the root portion of the cable.

  Further, in the seal member of the present invention, the electronic device and the one surface of the electronic device and the one of the mounting surface are integrally mounted on the electronic device while projecting from the mounting surface to the side opposite to the tubular portion. It is desirable to provide a locking portion that engages with at least one of the electronic device mounting members interposed therebetween and positions and holds the seal member.

  In the present invention, the locking portion projecting from the mounting surface to the side opposite to the tubular portion is an electronic device, or an electronic device mounting member for mounting the electronic device by fixing the electronic device at a predetermined position. By engaging with, it becomes possible to more reliably position and hold the seal member and thus the root portion of the cable.

  In addition, in the seal member of the present invention, it is formed by dividing the surface including the axis of the tubular portion into two in a vertical split, and the pair of split pieces are formed in the same shape and size. More desirable.

  In this invention, the surface including the axis of the tubular portion is divided into two parts in a vertical split with the split surface as the split surface, and the pair of split pieces are formed to have the same shape and the same size. The other split piece can be manufactured using the same mold. This enables the seal member to be produced efficiently and economically. Further, it becomes possible to enhance the handleability and convenience of the seal member.

  Further, in the seal member of the present invention, it is more preferable that the inner rib includes an induction pressing portion that is in close contact with the outer circumference of the cable and presses the cable toward the electronic device.

  In the present invention, a plurality of divided pieces are assembled, the inner rib is brought into close contact with the outer circumference of the cable, and the force pressing the electronic device side with respect to the cable inserted through the inside of the tubular portion by the guide pressing portion of the inner rib is applied. Can be operated. This makes it possible to prevent the cable from being pulled out more effectively, and to reliably position and hold the cable.

  A camera unit of the present invention includes a camera that is an electronic device, and a seal member for sealing the periphery of a cable pulled out from one surface of the camera, and the seal member is the seal member according to any one of the above. It is characterized by being.

  According to the present invention, it is possible to obtain the effects of the above-mentioned sealing member.

  In the seal member of the present invention and the camera unit including the seal member, the seal member can position and hold the root portion of the cable pulled out from the cable outlet of the electronic device such as a camera. With this, by attaching the seal member to the root portion of the cable, it is possible to prevent the root portion of the cable from bending, and to prevent the cable from pulling out. Intrusion can be prevented.

  Therefore, according to the seal member and the camera unit including the seal member of the present invention, there is no gap between the cable outlet and the cable root even when the cable is routed, and the electronic device such as a camera can be more reliably secured. It is possible to prevent wind and rain from entering the inside.

It is the perspective view seen from the front side showing the camera unit concerning one embodiment of the present invention. It is the perspective view seen from the back side which shows the camera unit concerning one embodiment of the present invention. It is the perspective view seen from the back side which shows the camera unit concerning one embodiment of the present invention, and is a figure showing the state where the seal member was removed. It is the perspective view seen from the back side showing the camera unit and the seal member concerning one embodiment of the present invention, and is a figure showing the state where the 1st mounting bracket was removed. It is the perspective view seen from the front side showing the seal member concerning one embodiment of the present invention. It is the perspective view seen from the back side showing the seal member concerning one embodiment of the present invention. It is a longitudinal cross-sectional view (side view of a divided piece) of a seal member according to an embodiment of the present invention. FIG. 3 is a vertical cross-sectional view showing a seal member and a root portion of a cable according to an embodiment of the present invention. FIG. 3 is a vertical cross-sectional view showing a seal member and a root portion of a cable according to an embodiment of the present invention.

  Hereinafter, a seal member according to an embodiment of the present invention and a camera unit including the seal member will be described with reference to FIGS. 1 to 9.

  Here, in this embodiment, it is assumed that the electronic device according to the present invention is a camera unit, the camera unit is an on-vehicle camera unit, the seal member according to the present invention is provided on the on-vehicle camera unit, and the on-vehicle camera is provided. The description will be made assuming that the member is a member for preventing wind and rain from entering the inside.

  The vehicle-mounted camera unit of the present embodiment is attached to the rear (rear), front (front), and side (side) of the vehicle, and the driver's vision is displayed by displaying the periphery of the vehicle on a display device such as an LCD monitor inside the vehicle. It is to assist.

  Specifically, as shown in FIGS. 1 and 2, the vehicle-mounted camera unit A according to the present embodiment is provided with a first mounting bracket 1 for fixing the vehicle at a predetermined position of the vehicle, and for acquiring an image around the vehicle. A camera (vehicle-mounted camera) 2, a second mounting bracket (electronic device mounting member) 3 for fixing and supporting the camera 2 and for mounting and supporting the camera 2 on the first mounting bracket 1, and wind and rain inside the camera 2. And a seal member B for preventing intrusion.

  The first mounting bracket 1 is formed in a substantially flat plate shape, and is formed in a substantially flat plate shape with a mounting plate portion 5 fixed to a vehicle by screwing, adhering, or the like. Each of them has a pair of camera mounting walls 6 protruding in the same direction, and is formed into a substantially U-shaped cross section.

  Further, each pair of camera mounting wall portions 6 is provided with an elongated hole-shaped camera positioning hole 7 penetrating from the outer surface to the inner surface and extending in an arc shape. The pair of camera positioning holes 7 are formed to have the same diameter and the same size and are arranged to face each other in the width direction.

  As shown in FIGS. 3 and 4 (see FIGS. 1 and 2), the second mounting bracket 3 is formed in a substantially flat plate shape into an L-shape, and the rear side of the camera 2 (the cable outlet of the camera 2 is The camera fixing portion 8 fixed to the formed one surface 2a) with a screw, and a pair of attachments formed in a substantially flat plate and protruding in the same direction from both side portions in the width direction of the camera fixing portion 8. And a support wall portion 9.

  Further, a slit-shaped notch portion 10 that penetrates from the outer surface to the inner surface and extends in the up-down direction orthogonal to the width direction is provided in a portion of the camera fixing portion 8 that is fixed to the rear side of the camera 2. The pair of mounting support wall portions 9 are provided with screw holes 11 penetrating from the outer surface to the inner surface.

  Then, as shown in FIGS. 1 to 3, in a state where the camera fixing portion 8 is screwed and the camera 2 is attached integrally with the second mounting bracket 3, the pair of camera mounting wall portions 6 of the first mounting bracket 1 are attached. The camera 2 and the second mounting bracket 3 are inserted and arranged between them. At the same time, screws are inserted into the pair of camera positioning holes 7 from the outside, and these screws are screwed into the screw holes 11 of the pair of mounting support wall portions 9 of the second mounting bracket 3, whereby the first mounting bracket 1 is attached. The camera 2 is mounted and supported via the second mounting bracket 3. At this time, the cable 12 pulled out from the cable outlet on the rear portion of the camera 2 is inserted through the slit-shaped notch portion 10 of the camera fixing portion 8 and extended in a predetermined pulling direction.

  Since the pair of camera positioning holes 7 are formed in the shape of an arc-shaped long hole, the camera 2 can be adjusted in any direction by screwing and fixing the camera positioning holes 7 at desired positions. it can.

  On the other hand, as shown in FIGS. 2 and 4, the seal member B of the present embodiment is integrally attached to the outer surface of the camera fixing portion 8 of the second mounting bracket 3, and the root portion of the cable 12 is positioned and held to hold the cable. The purpose of this is to prevent the bending of 12 and to prevent wind and rain from entering the inside of the camera 2 through the cable outlet provided on the one surface 2a of the rear portion of the camera 2.

  As shown in FIGS. 2, 4, 5 to 7, 8 and 9, the seal member B of the present embodiment has the camera fixing portion 8 of the second mounting bracket 3 on the one surface 2 a of the camera 2. A mounting portion 16 having a substantially rectangular flat plate shape having a mounting surface 15 which is in intimate contact with the mounting portion 15 through which the mounting portion 16 (mounting surface 15) is integrally formed. And a tubular portion 17 that operates.

  Further, the seal member B is configured by vertically dividing the attachment portion 16 (attachment surface 15) and the tubular portion 17. Furthermore, in the present embodiment, the surface including the axis O1 of the tubular portion 17 is divided into two parts in a vertical split manner, and the pair of divided pieces B1 and B2 are formed in the same shape and size.

  The mounting portion 16 of each of the divided pieces B1 and B2 is provided with a mounting hole 20 for fixing and mounting the seal member B to the second mounting bracket 3 and further to the camera 2 with a screw (fastening tool) 18.

  The attachment portion 16 of each of the divided pieces B1 and B2 is provided with a tip rib 21 projecting from the attachment surface 15 on the side opposite to the tubular portion 17 and surrounding at least a part of the circumference of the cable 12. (See Figure 8).

  The mounting portion 16 of each of the split pieces B1 and B2 has a second mounting bracket 3 which projects from the mounting surface 15 to the side opposite to the tubular portion 17 and is interposed between the one surface 2a of the camera 2 and the mounting surface 15. An engaging portion 22 for engaging with the side end portion of the camera fixing portion 8 and for positioning and holding the seal member B is provided. The locking portion 22 may be provided so as to engage with the camera 2 and position and hold the seal member B instead of the camera fixing portion 8 of the second mounting bracket 3.

  In addition, the locking portion 22 of the present embodiment projects from the shaft portion 22a protruding from the mounting surface 15 and the inner side in the width direction of the mounting portion 16 from the tip end side of the shaft portion 22a, and the tip end surface of the shaft portion 22a. The latch portion 22b is provided with an inclined surface that is gradually inclined inward in the width direction of the attachment portion 16 from the front end toward the rear end side.

  Further, the attachment portion 16 is formed with a through hole 23 for elastically deforming the locking portion 22 in the vicinity of the base end of the locking portion 22.

  Next, the tubular portion 17 of the seal member B is provided with an annular inner rib 24 that projects from the inner surface radially inward of the center of the axis O1 of the tubular portion 17 and is connected in the circumferential direction so as to be in close contact with the outer periphery of the cable 12. Has been formed.

  Further, the inner rib 24 is provided with a guide pressing portion 25 that is in close contact with the outer periphery of the cable 12 and presses the cable 12 toward the camera 2 (see FIG. 9). In this embodiment, the guide pressing portion 25 is configured to gradually incline toward the camera 2 side from the inner surface of the tubular portion 17 toward the tip in the protruding direction.

  In the seal member B of the present embodiment having the above-described configuration and the camera unit A including the seal member B, a plurality of divided pieces B1 obtained by vertically dividing the tubular portion 17 and the attachment portion 16 (attachment surface 15) are provided. , B2 are assembled so as to enclose the root part of the cable 12 in the tubular portion 17, and the plurality of divided pieces B1, B2 are tightened by the binding band 26 to be integrated (see FIG. 4).

  When the seal member B is thus attached, the attachment surface 15 is indirectly attached to the one surface 2a of the camera 2 having the outlet of the cable 12 via the camera fixing portion 8 of the second attachment bracket 3, and the tubular portion is provided. The tubular portion 17 can be brought into close contact with the outer periphery of the cable 12 that is inserted through the inside of the cable 17.

  As a result, the root portion of the cable 12 can be positioned and held by the seal member B, and bending of the root portion of the cable 12 can be prevented. Further, since the root portion of the cable 12 can be prevented from being bent, it is possible to prevent a gap from being formed in the outlet of the cable 12. Furthermore, it is possible to prevent the cable 12 from being pulled out.

  In the present embodiment, the grommet 27 is provided at the root of the cable 12, and the seal member B can reliably prevent a gap from being formed between the grommet 27 and the outlet and between the grommet 27 and the outer circumference of the cable 12 (see FIG. 8 and FIG. 9).

  In addition, the fastener 18 such as a screw is inserted into the attachment hole 20 and fixed to the camera 2, so that the seal member B can be fixed and attached to the camera 2. Thereby, the root portion of the cable 12 can be reliably positioned and held.

  Further, the tubular portion 17 is provided with the annular inner rib 24 that projects radially inward from the inner surface of the tubular portion 17 and is connected in the circumferential direction, so that the plurality of divided pieces B1 and B2 are assembled and the inner rib 24 is connected to the cable. It can be closely attached to the outer periphery of 12.

  Since the inner ribs 24 are arranged in an annular shape in a state where the plurality of divided pieces B1 and B2 are assembled, the root portions of the cables 12 can be positioned and held by the inner ribs 24, and the inner ribs 24 can be positioned. Due to the sealing effect (shielding effect), it is possible to prevent wind and rain from entering the cable outlet side of the camera 2 through the inside of the tubular portion 17.

  Further, the protruding direction tip of the tip rib 21 provided so as to project from the mounting surface 15 on the side opposite to the tubular portion 17 and surrounding at least a part of the periphery of the cable 12 has the grommet 27 and the second mounting bracket. The slit-shaped notch portion 10 formed in the camera fixing portion 8 of No. 3 is disposed in the gap between the slit-shaped notch portion 10 and the peripheral end of the slit-shaped notch portion 10, and the grommet 27 is included. Further, the tip end of the tip rib 21 in the protruding direction contacts the one surface 2a of the camera 2. As a result, the seal member B and thus the root of the cable 12 can be more reliably positioned and held (see FIG. 8).

  Further, the locking portion 22 projecting from the mounting surface 15 to the side opposite to the tubular portion 17 engages with the side end portion of the camera fixing portion 8 of the second mounting bracket 3, so that the sealing member B and thus the cable can be more reliably held. It is possible to position and hold the 12 roots (see FIG. 9).

  Further, the cylindrical portion 17 is formed by dividing the surface including the axis O1 into two in a vertically divided manner, and the pair of divided pieces B1 and B2 are formed in the same shape and the same size. The piece B1 and the other divided piece B2 can be manufactured using the same mold. This makes it possible to produce the seal member B efficiently and economically. Further, it becomes possible to enhance the handleability and convenience of the seal member B.

  Further, a plurality of divided pieces B1 and B2 are assembled, the inner rib 24 is brought into close contact with the outer circumference of the cable 12, and the camera 2 is attached to the cable 12 inserted through the inside of the tubular portion 17 by the guide pressing portion 25 of the inner rib 24. A pressing force can be applied to the side. Thereby, pulling out of the cable 12 can be prevented more effectively, and the cable 12 can be reliably positioned and held.

  As described above, in the seal member B of the present embodiment and the camera unit A including the seal member B, the seal member B can position and hold the root portion of the cable 12 pulled out from the cable outlet of the camera 2. Thus, by attaching the seal member B to the root portion of the cable 12, it is possible to prevent the root portion of the cable 12 from bending, and to prevent the cable 12 from being pulled out. The close contact can prevent wind and rain from entering.

  Therefore, according to the seal member B of the present embodiment and the camera unit A including the seal member B, a gap is not formed in the cable outlet / the cable root portion even when the cable 12 is routed, and the camera 2 can be more reliably provided. It is possible to prevent wind and rain from entering the inside of the.

  Although the embodiment of the seal member according to the present invention and the camera unit including the seal member according to the present invention have been described above, the present invention is not limited to the above-described embodiments, and can be appropriately changed without departing from the spirit of the present invention. is there.

  For example, the electronic device according to the present invention does not need to be limited to the camera 2, and the seal member B according to the present invention is attached to any electronic device, and in order to seal the cable outlet / the root portion of the cable of the electronic device. Applicable. Also in this case, it is possible to obtain the same effects as the present embodiment.

1 1st mounting bracket (electronic device mounting member)
2 cameras (electronic devices)
2a One surface 3 Second mounting bracket (electronic device mounting member)
5 Mounting Plate Section 6 Camera Mounting Wall Section 7 Camera Positioning Hole 8 Camera Fixing Section 9 Mounting Support Wall Section 10 Notch Section 11 Screw Hole 12 Cable 15 Mounting Surface 16 Mounting Section 17 Cylindrical Section 18 Screw (Clamp)
20 mounting hole 21 tip rib 22 locking part 22a shaft part 22b latch part 23 through hole 24 inner rib 25 guide pressing part 26 binding band (joining means)
27 Grommet A Camera unit B Seal member B1 Divided piece B2 Divided piece O1 Axis

Claims (8)

A sealing member for sealing around a cable drawn from one surface of an electronic device,
A mounting surface that directly or indirectly adheres to the one surface, and a tubular portion that is integrally formed with the mounting surface and that protrudes in the drawing direction of the cable and that adheres closely to the outer periphery of the cable,
A seal member, characterized in that the tubular portion and the mounting surface are divided into vertically divided parts. The seal member according to claim 1,
A sealing member, wherein a mounting portion for forming the mounting surface is provided with a mounting hole for fixing and mounting the sealing member to the electronic device with a fastener. In the seal member according to claim 1 or 2,
A seal member, wherein the tubular portion is provided with an annular inner rib that protrudes from the inner surface inward in the radial direction around the axis of the tubular portion, is connected in the circumferential direction, and is in close contact with the outer periphery of the cable. The seal member according to any one of claims 1 to 3,
A seal member, characterized in that it is provided with a tip rib projecting from the attachment surface on the side opposite to the tubular portion and arranged so as to surround at least a part of the periphery of the cable. The seal member according to any one of claims 1 to 4,
For mounting an electronic device that protrudes from the mounting surface to the side opposite to the tubular portion and that is mounted integrally with the electronic device and between the one surface of the electronic device and the mounting surface. A seal member, comprising: a locking portion that engages with at least one of the member and positions and holds the seal member. The seal member according to any one of claims 1 to 5,
A seal member, characterized in that it is formed by dividing the surface of the tubular portion including the axis of the tubular portion into two parts in a vertical split manner, and a pair of divided pieces are formed in the same shape and size. The seal member according to claim 3,
The seal member, wherein the inner rib is provided with an induction pressing portion that is in close contact with the outer periphery of the cable and presses the cable toward the electronic device. A camera that is an electronic device, and a seal member for sealing the periphery of a cable pulled out from one surface of the camera,
A camera unit, wherein the seal member is the seal member according to any one of claims 1 to 7.

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