JP2018103812A - Fixing structure of camera module - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stably fix a camera module to a vehicle body using a material such as a synthetic resin having small rigidity.SOLUTION: A fixing structure 1 of a camera module includes: a camera module 20 imaging outside of a vehicle; a housing 10 storing the camera module 20; and a presser bracket 30 and a clip 40 fixing the housing 10 to the vehicle body formed from a synthetic resin, where the housing 10 has a holding section 11 which holds the camera module 20 in a fitting hole opened to the vehicle body and exposes a socket 22 being the rear end of the camera module to the inside of the vehicle body, and a contact portion 11a which is brought into contact with the periphery of the fitting hole of the vehicle body in the outside of the vehicle body, and the presser bracket 30 sandwiches the wall body of the vehicle body in cooperation with the contact portion 11a by being brought into contact with the periphery of the fitting hole from the inside of the vehicle body and the clip 40 connects the presser bracket 30 and a holding section 11 from the lower part of the socket 22 of the camera module 20.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a camera module fixing structure in an in-vehicle camera such as an automobile.

  2. Description of the Related Art Conventionally, in order to acquire a rear view of a vehicle for the purpose of parking or the like, a camera is widely provided at the rear of the vehicle. Such an in-vehicle camera is mainly composed of a camera module and a housing for fixing the camera module to the vehicle body. As a method of fixing the housing and the vehicle body, in addition to fastening with bolts and nuts, the housing is elastic. There is known a technique in which an engagement portion that opens and closes is provided, and the engagement portion is engaged with an edge of an opening for disposing a camera body provided on the vehicle body (see, for example, Patent Document 1). .

JP 2012-035633 A

  However, the arrangement of the vehicle-mounted camera according to the conventional technique has the following problems. In other words, in recent years, the fenders and doors of the vehicle body have been made of synthetic resin for reasons such as weight reduction of the vehicle. However, the rigidity of the vehicle body is inferior to that of a metal material. It has been difficult to stably fix the camera module by causing the vehicle body to bend or distort in the vicinity.

  The present invention has been made in view of the above problems, and has a camera module fixing structure capable of stably fixing a camera module to a vehicle body using a material having low rigidity such as a synthetic resin. The purpose is to provide.

  To achieve the above object, according to a first aspect of the present invention, there is provided a camera module for imaging the outside of a vehicle, a housing for housing the camera module, and the housing for a synthetic resin body of the vehicle. A holding part for holding the camera module in a mounting hole opened in the vehicle body, and exposing a rear end of the camera module to the inside of the vehicle body; and An abutting portion that abuts the periphery of the mounting hole of the vehicle body on the outside of the vehicle body, and the fixture cooperates with the abutting portion by abutting the periphery of the mounting hole from the inside of the vehicle body. And fixing the camera module, including a holding part that holds the wall of the vehicle body, and a connecting body that connects the holding part and the holding part of the housing from below the rear end of the camera module. It is an elephant.

  Furthermore, as another aspect of the present invention, an electrical harness may be detachably connected to the rear end of the camera module.

  The present invention as described above has an effect that the camera module can be stably fixed to the vehicle body using a material having low rigidity such as a synthetic resin.

The perspective view which shows the structure of the fixing structure of the camera module which concerns on embodiment of this invention The perspective view which shows the structure of the fixing structure of the camera module which concerns on embodiment of this invention The perspective view which shows the structure of the fixing structure of the camera module which concerns on embodiment of this invention Sectional drawing which shows the structure of the fixing structure of the camera module which concerns on embodiment of this invention Sectional drawing which shows the fixed state of the camera by the fixing structure of the camera module which concerns on embodiment of this invention

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view of the structure of a camera module fixing structure according to an embodiment of the present invention as viewed from the front side, that is, from the position outside the vehicle when the camera module is fixed to the vehicle body, and FIG. That is, FIG. 3 is a perspective view seen from a position on the inside of the vehicle when the camera module is fixed to the vehicle body, FIG. 3 is a perspective view seen from the back side and directly above, and FIG. It is a fragmentary sectional view by A straight line.

  As shown in the drawings, the camera module fixing structure 1 of the present embodiment includes a camera module 20, a housing 10 that houses the camera module 20 and is disposed outside the vehicle body, and a vehicle body. A holding bracket 30 and a clip 40 which are disposed and fix the housing 10 in a predetermined position are provided as main components.

  The camera module 20 is provided at the rear end of the camera body 21 including a lens and an image sensor, and covers an electrode 23 that supplies power to the camera module 20 and transmits and receives signals. And a cylindrical socket 22 for connecting to the connector of the harness to be connected. In the camera body 21, an electrode 23 that is electrically connected to an electrical installation harness is disposed so as to protrude from the opening 22 x of the socket 22. On the surface of the socket 22, a latch claw 22 a for detachably coupling with a connector of the harness is formed by integral molding with other portions of the socket 22.

  The housing 10 is a synthetic resin component that is a combination of a camera cover 12 that covers the camera module 20 from the front side and a holding unit 11 that holds the camera module 20. The camera cover 12 is a means for protecting the camera module 20 from the outside environment by being positioned outside the vehicle, and an opening 12x for exposing the lens portion of the camera body 21 to the outside is provided below.

  The holding unit 11 is means for holding the camera module 20 in the housing 10 by fitting the socket 22 of the camera module 20 in the center. Further, in the holding part 11, an annular contact part 11 a having a rectangular shape and a constant width corresponding to the outline of the camera cover 12 is integrally formed with the other part of the holding part 11 around the socket 22 of the camera module. Provided by molding.

  The abutting portion 11a is a portion that directly contacts the surface of the wall of the vehicle body when the housing 10 is fixed to the vehicle body, and an adhesive tape is applied to the surface or an adhesive is applied to the surface. Thus, the vehicle body and the housing are temporarily fixed, and the gap between the contact portions is sealed to prevent moisture and the like from entering the vehicle body. Note that the configuration of the adhesive tape or the like may be omitted, and temporary fixing may not be performed.

  In the housing 10, the holding unit 11 tilts the camera module 20 with respect to the contact unit 11 a and holds the camera body 21 in a posture with the socket 22 facing upward. Thereby, the socket 22 is placed in a state where the opening 22x and the electrode 23 of the camera body 21 are exposed obliquely upward.

  Further, in the holding portion 11, an insertion end 13 is provided directly below the exposed socket 22 of the camera module 20 in a direction substantially orthogonal to the contact portion 11 a by integral molding with other portions of the holding portion 11. Is done. The insertion end 13 is a means for combining a holding bracket 30 (to be described later) with the housing 10, and is a flat plate-like portion having a rectangular opening 13x formed at the center.

  The holding bracket 30 is a component made of a synthetic resin, and is a unit that is disposed to face the holding portion 11 of the housing 10 and fixes the housing 10 to the wall of the vehicle body by cooperating with the contact portion 11a. . The holding bracket 30 is formed in a substantially convex shape in cross section, and the body portion 31 located in the center is a substantially rectangular portion in a planar shape, and both left and right ends are bent and extended toward the housing 10. Thus, a pair of contact portions 32 is formed. The interval between the pair of contact portions 32 is preferably substantially the same as the width of the contact portion 11a of the housing 10, but may be wider or narrower than the width of the contact portion 11a.

  Further, a slit 31x is opened at a position near the center of the main body 31 and below. On the upper side, a notch 31y is formed so as to bend toward the slit 31x.

  The holding portion 11 and the holding bracket 30 of the housing 10 are combined together by inserting the insertion end 13 into the slit 31x. In this state, the contact portion 11a and the pair of contact portions 32 face each other. Be placed.

  The clip 40 is a side or substantially U-shaped metal or synthetic resin part having a locking end 41 bent in a hook shape, and the assembled state of the presser bracket 30 and the housing 10 according to the procedure described later. It is a means for holding and fixing the housing 10 to the vehicle body.

  In the above configuration, the housing 10 corresponds to the housing of the present invention, the camera module 20 corresponds to the camera module of the present invention, and the pressing bracket 30 and the clip 40 integrally constitute the fixing tool of the present invention. Is equivalent to the clamping part of this invention, and the clip 40 is equivalent to the connection body of this invention, respectively. The holding part 11 of the housing 10 corresponds to the holding part of the present invention, and the contact part 11a corresponds to the contact part of the present invention. Further, the socket 22 of the camera module 20 corresponds to the rear end of the camera module of the present invention.

  The camera module fixing structure 1 according to the embodiment of the present invention having such a configuration is characterized by having a configuration in which the wall surface of the vehicle body is clamped by the housing 10 and the holding bracket 30.

  Hereinafter, description will be made with reference to FIG. FIG. 5 is a cross-sectional view showing a state in which the camera module fixing structure 1 of the present embodiment is fixed to the wall 50 of the vehicle body.

  The fixing structure 1 of the camera module of the present embodiment is fixed to the wall 50 of the vehicle body as follows. That is, the wall 10 made of a synthetic resin in which the mounting hole 50x having a predetermined size communicating with the vehicle interior space is opened by bringing the contact portion 11a into contact with the surface 50a of the housing 10 in which the camera module 20 is accommodated. Attach to 50. At this time, the insertion end 13 of the holding part 11 and the socket 22 of the camera module 20 are inserted from the mounting hole 50x into the interior space side. The housing 10 is temporarily fixed to the surface 50a of the wall body 50 with an adhesive tape or the like provided on the contact portion 11a, and the positioned state is maintained. Examples of the wall body 50 include a vehicle back door, a rear fender, a side door, and the like. The interior space does not mean a passenger compartment in which a seat or the like is disposed, but means a space, a gap, or the like formed on the back side of the wall body 50 that is isolated from the outside of the vehicle by the wall body 50.

  Next, on the side facing the vehicle interior space, the abutting portion 32 is brought into contact with the back surface 10a of the wall body 50 in a state where the pressing bracket 30 is aligned so that the insertion end 13 of the holding portion 11 is inserted into the opening 13x. . Accordingly, the insertion end 13 protrudes from the opening 13x in a state where the slit 31x is exposed to the vehicle interior space, and the socket 22 of the camera module 20 is connected to the vehicle length via the notch 31y formed on the main body 31. It is exposed in the interior space with a slanted posture at an elevation angle toward the front in the direction.

  Thus, the vehicle wall body 50 is sandwiched between the contact portion 11a of the housing 10 and the contact portion 32 of the pressing bracket 30 around the mounting hole 50x.

  Finally, the clip 40 is inserted into the opening 13x of the insertion end 13 exposed in the vehicle interior space from below in the vehicle height direction. When the clip 40 is inserted into the opening 13x for a predetermined length, the locking end 41 is locked and fixed to the surface of the insertion end 13 and is pressed against the pressing bracket 30 in the abutting direction. The state of being combined with the housing 10 is maintained while preventing the fitting end 13 from being detached.

  As described above, according to the camera module fixing structure 1 of the present embodiment, the wall body 50 of the vehicle body is held between the contact portions 11 a and 32 of the housing 10 and the holding bracket 30, so that The housing 10 is fixed by pressing in an orthogonal direction to reduce the possibility that a load is directly applied to the wall body 50 through the mounting hole 50x.

  Therefore, even when the present invention is applied to a synthetic resin material vehicle body that is less rigid than a metal material, the camera module 20 can be stably held without causing bending or distortion of the vehicle body wall.

  Furthermore, according to the camera module fixing structure 1 of the present embodiment, the holding portion 11 and the notch 31y that hold the socket 22 of the camera module 20 in the vehicle interior space with an attitude inclined at an elevation angle toward the front in the vehicle length direction. And a clip 40 fitted from below in the vehicle length direction.

  That is, by providing these structures, the socket 22 can expose the electrode 23 and the latch claw 22a without any obstacles in the vehicle interior space in the process of fixing the housing 10 and the state after the fixing. This facilitates the assembly of the electrical harness 61 having the socket 22 and the detachable connector 60 at the tip, and improves the workability of the arrangement of the camera module 20. Further, without requiring a camera module 20 including a cable in advance, versatility can be improved, and thus an in-vehicle camera can be arranged at low cost.

  As described above, according to the camera module fixing structure of the embodiment of the present invention, it is possible to stably fix the camera module to the vehicle body using a material having low rigidity such as a synthetic resin. There is an effect.

  However, the present invention is not limited to the above embodiment. In the above description, the housing 10 and the holding bracket 30 are coupled to each other via the clip 40 inserted into the opening 13x of the insertion end 13, but the connection body of the present invention is connected to the rear end of the camera module. It is only necessary to be able to connect the holding part and the holding part of the housing from below, and the invention is not limited by the specific mode. Therefore, any other means such as fastening with bolts and nuts, welding, adhesion or the like may be used.

  As described above, the present invention is a camera module fixing structure, and includes a camera module that captures an image of the outside of a vehicle, a housing that houses the camera module, and the housing that is a synthetic resin body of the vehicle. A holding part for holding the camera module in a mounting hole opened in the vehicle body, and exposing a rear end of the camera module to the inside of the vehicle body; and An abutting portion that abuts the periphery of the mounting hole of the vehicle body on the outside of the vehicle body, and the fixture cooperates with the abutting portion by abutting the periphery of the mounting hole from the inside of the vehicle body. And a connecting part that connects the holding part of the housing and the holding part of the housing from below the rear end of the camera module. Other specific object, application, but is not limited by the configuration.

  Therefore, the present invention may be implemented by adding various modifications to the above embodiment, including those described above, as long as they do not depart from the spirit of the present invention.

  The present invention as described above has an effect that the camera module can be stably fixed to a vehicle body using a low rigidity material such as a synthetic resin. This is useful in applications such as box cars, wagons, light vehicles, and other vehicles equipped with a back door.

DESCRIPTION OF SYMBOLS 1 Camera module fixed structure 10 Housing 10a Back surface 11 Holding part 11a, 32 Contact part 12 Camera cover 12x, 13x, 22x Opening 13 Insertion end 20 Camera module 21 Camera main body 22 Socket 22a Latch claw 23 Electrode 30 Bracket 31 Main body part 31x Slit 31y Notch 40 Clip 41 Locking end 50 Wall body 50a Surface 50x Mounting hole 60 Connector 61 Harness

Claims (1)

A camera module for imaging the outside of the vehicle;
A housing for housing the camera module;
A fixing tool for fixing the housing to the vehicle body made of synthetic resin,
The housing is
Holding the camera module in a mounting hole opened in the vehicle body, and a holding portion for exposing a rear end of the camera module to the inside of the vehicle body;
A contact portion that contacts the periphery of the mounting hole of the vehicle body outside the vehicle body;
The fixture is
A clamping portion that clamps the wall of the vehicle body in cooperation with the abutting portion by contacting the periphery of the mounting hole from the inside of the vehicle body;
A connecting body for connecting the holding portion and the holding portion of the housing from below the rear end of the camera module;
Camera module fixing structure.

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