JP5388029B2 - Housing structure - Google Patents

Description

  The present invention relates to a housing structure of a device such as an in-vehicle device, and more specifically, for attaching the housing to a predetermined object on the first member of a housing formed by integrating a first member and a second member. The present invention relates to a housing structure in which a bracket is fixed.

  Patent Document 1 discloses a housing structure of an on-vehicle acoustic device. In this case structure, a bracket is fixed to each of the two side walls of the case where a cassette insertion slot and a CD insertion slot are formed on the front, and the case is attached to a device mounting plate provided in the vehicle interior. It is attached. And the panel in which the cassette insertion slot and CD insertion slot corresponding to the cassette insertion slot and CD insertion slot which were formed in the front surface of the said housing | casing were separately attached to the said apparatus mounting plate. In this way, the CD and the like inserted from the CD insertion slot formed in the panel are further formed on the front surface of the casing in a state where the casing and the panel of the in-vehicle acoustic apparatus are separately mounted on the apparatus mounting plate. Is inserted into the housing through the CD insertion slot.

  By the way, a housing | casing may be comprised from two members, for example, the front part in which CD insertion opening and cassette insertion opening were formed, and the other main-body part. In such a case, the housing formed by integrating the front portion and the main body portion is attached to the device mounting plate by brackets fixed to the two side walls of the main body portion.

JP-A-10-129362

  However, when a case in which the two parts of the front part and the main body part are integrated is attached to the equipment mounting plate by a bracket fixed to the main body part, the mounting between the front part and the equipment mounting plate is required. The dimensional error is obtained by accumulating the mounting dimensional error between the front portion and the main body portion and the mounting dimensional error between the bracket and the main body portion. Due to such accumulated dimensional errors, the housing and the panel are separately attached to the device mounting plate, and the CD insertion slot and the cassette insertion opening formed in the panel and the front portion of the casing are formed. There is a risk that the CD insertion slot and cassette insertion slot will be misaligned.

  The present invention has been made in view of such circumstances, and a case in which a housing in which a first member and a second member are integrated is attached to a predetermined object by a bracket fixed to the first member. The housing structure is such that the mounting dimension error of the second member with respect to the predetermined object is minimized.

In the housing structure according to the present invention, a bottom chassis having a bottom plate and a side wall plate rising from each of two edges extending in the front-rear direction of the bottom plate and a front chassis disposed on the front surface of the bottom chassis are integrated. A bracket structure for fixing the housing to a predetermined object on the side wall plate portion of the bottom chassis, and a positioning portion is formed on the side wall plate portion of the bottom chassis. The bracket is fixed to the side wall plate portion of the bottom chassis in a state where the bracket is positioned in the positioning portion in a vertical direction parallel to the front-rear direction and the rising direction of the side wall plate portion, and the front chassis is The bracket is integrated with the bottom chassis while being positioned in the front-rear direction and the vertical direction .

  With such a configuration, the front chassis is integrated with the bottom chassis in a state where the front chassis is positioned on the bracket. Therefore, the mounting dimension error with respect to a predetermined part of the front chassis is the same as the mounting dimension error between the bracket and the bottom chassis, and the front chassis. It is not affected by the mounting dimension error between the chassis and the bottom chassis.

In the housing structure according to the present invention, the bracket includes a first plate portion to be fixed to the predetermined object and a second plate portion continuing so as to be substantially orthogonal to the first plate portion. A protruding portion that protrudes on the opposite side of the first plate portion; a positioning hole is formed as the positioning portion in the side wall plate portion of the bottom chassis; and the protruding portion is formed in the side wall plate portion of the bottom chassis. By being fitted into the formed positioning hole from the outside to the inside of the bottom chassis, the second plate portion of the bracket is positioned in the front-rear direction and the vertical direction, and the second plate portion of the bracket is the side wall plate portion. It can be set as the structure fixed to.

  With such a configuration, the bracket projecting from the second plate portion of the bracket is inserted into the positioning hole formed in the side wall plate portion from the outside to the inside of the bottom chassis so that the bracket is positioned on the bottom chassis. Since it is fixed, the bracket can be fixed in a state of being positioned on the bottom chassis relatively easily.

  Further, in the housing structure according to the present invention, the front chassis has a locking portion that can be locked to the protruding portion of the bracket inside the bottom chassis, and the locking portion includes the locking portion. The front chassis can be configured to be positioned on the bracket by being locked.

  With such a configuration, the front chassis is positioned with respect to the bracket by engaging the locking portion with the protruding portion of the bracket inserted into the positioning hole of the bottom chassis, so that the front chassis is relatively easy. Can be integrated with the bottom chassis while being positioned on the bracket.

  Furthermore, in the housing structure according to the present invention, the protrusion is a cut-and-raised portion formed to cut and raise a part of the second plate portion and protrude from the second plate portion. It can be set as the structure inserted by the positioning hole formed in the said side wall board part.

  With such a configuration, the cut-and-raised portion formed in the second plate portion of the bracket is fitted into the positioning hole formed in the side wall plate portion of the bottom chassis, and the second plate portion is attached to the side wall plate portion of the bottom chassis. Since the bracket is fixed in a state where it is positioned on the bottom chassis, the bracket can be fixed in a state where it is positioned on the bottom chassis relatively easily.

  According to the housing structure of the present invention, the housing in which the first member (bottom chassis) and the second member (front chassis) are integrated is a bracket that is fixed to the first member (bottom chassis). When the second member (front chassis) is attached to a predetermined object, the mounting dimension error of the second member (front chassis) with respect to the predetermined object is the mounting dimension error between the bracket and the first member (bottom chassis), and the second member (front chassis). And the mounting dimension error between the first member (bottom chassis) and the second member (front chassis) can be minimized as much as possible.

It is a perspective view which shows the state seen from diagonally forward of the housing structure which concerns on embodiment of this invention. It is a perspective view which shows the state seen from diagonally backward of the housing structure which concerns on embodiment of this invention. It is a perspective view which shows the bottom chassis of a housing | casing. It is a top view which shows the attachment site | part of the side bracket (1st side bracket) of a bottom chassis. It is a perspective view which shows a 1st side bracket. It is a perspective view which shows a 2nd side bracket. It is a perspective view which shows the bottom chassis to which the 1st and 2nd side bracket was attached. It is a top view which expands and shows the attachment site | part of the said side bracket of the bottom chassis to which the side bracket (1st side bracket) was attached. It is a perspective view which expands and shows the attachment site | part of the said side bracket of the bottom chassis to which the side bracket (1st side bracket) was attached. It is a perspective view which shows the housing | casing which the bottom chassis and front chassis with which the 1st and 2nd side bracket was attached were united. It is a perspective view which expands and shows the front chassis integrated with a bottom chassis in the state positioned by the side bracket (1st side bracket). It is a side view which shows the housing | casing formed by integrating the bottom chassis to which the side bracket was fixed, and the front chassis. It is a side view which shows the state in which the housing | casing formed by integrating the bottom chassis and the front chassis to which the side bracket was fixed was attached to the dashboard panel of the vehicle.

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

  The housing structure according to the embodiment of the present invention is as shown in FIGS. This housing structure is applied to a housing of an in-vehicle audio device.

  1 and 2, the housing 100 has a structure in which a bottom chassis 10 (first member) and a front chassis 20 (second member) disposed on the front surface of the bottom chassis 10 are integrated. A first side bracket 50a and a second side bracket 50b are fixed to the bottom chassis 10, and the casing 100 is attached to, for example, a dashboard of a vehicle by the first side bracket 50a and the second side bracket 50b. Attached to the site. The bottom chassis 10, the front chassis 20, the first side bracket 50a, and the second side bracket 50b are each formed by sheet metal processing.

  The front chassis 20 is formed with a disk insertion slot 21 through which a disk such as a CD or a DVD passes, and positioning recesses 22a and 22b. The positioning recesses 22a and 22b are used for positioning the device front panel disposed in front of the front chassis 20, and as will be described later (see FIG. 12), ribs protruding from the back surface of the device front panel are provided. Positioning of the device front panel with respect to the front chassis 20 is performed by contacting the positioning recesses 22a and 22b.

  The casing 100 has a structure in which the top plate 30 and the back plate 40 are integrated with the bottom chassis 10 in addition to the front chassis 20 described above. A casing 100 (an in-vehicle audio device) is installed in the vehicle on the side wall plate portion of the bottom chassis 10 (only the second side wall plate portion 12b described later is shown in FIGS. 1 and 2). The guide bush used at the time is fixed (in FIG. 1 and FIG. 2, the guide bush 13b is fixed to the second side wall plate portion 12b).

  As illustrated in FIG. 3, the bottom chassis 10 includes a bottom plate 11 and a first sidewall plate portion 12 a and a second sidewall plate portion 12 b that rise from two edges extending in the front-rear direction of the bottom plate 11. As shown in detail in FIG. 4, an upper positioning slit 121a and a lower positioning slit 122a are formed side by side in the vertical direction at a predetermined front portion of the first side wall plate portion 12a. The front-rear direction position and the upper-lower direction position of the upper positioning slit 121a and the lower positioning slit 122a are determined with a predetermined accuracy on the basis of the relative positions (vertical direction and front-rear direction positions) with respect to the mounting portion of the housing 100. It has been. Further, in the vicinity of the upper positioning slit 121a and the lower positioning slit 122a, three bracket fixing holes 123a, 124a, and 125a are formed so as to be arranged in a triangular shape.

  Similarly to the case of the first side wall plate portion 12a described above, the upper positioning slit 121b and the lower positioning slit 122b and the three bracket fixing holes 123b, 124b, 125b are also provided at a predetermined front portion of the second side wall plate portion 12b. Is formed. The shape, the front-rear direction position, and the vertical position of the upper positioning slit 121a formed in the first side wall plate portion 12a and the upper positioning slit 121b formed in the second side wall plate portion 12b are the same, and the first side wall plate portion The shape, the front-rear direction position, and the up-down direction position of the lower positioning slit 122a formed in 12a and the lower positioning slit 122b formed in the second side wall plate portion 12b are the same.

  A locking piece 111 is formed so as to rise from a portion adjacent to the first side wall plate portion 12a at the front edge of the bottom plate 11 of the bottom chassis 10. A gap GP is formed between a predetermined tip portion of the locking piece 111 and the front edge of the first side wall plate portion 12a. Although not shown in the figure, a portion similar to the above-described locking piece 111 is also formed in the adjacent portion of the front edge of the bottom plate 11 with the second side wall plate portion 12b.

  The first side bracket 50a is configured as shown in FIG. 5A. The first side bracket 50a is formed so as to bend one sheet metal substantially at a right angle, and has a structure that continues from the first plate portion 51a so that the second plate portion 52a is orthogonal. The second plate portion 52a has an upper protruding portion 511a formed so as to protrude from the second plate portion 52a following the first plate portion 51a, with its upper predetermined portion cut into a rectangular shape, and its lower side A predetermined portion is cut and raised into a rectangular shape, and has a lower protruding portion 512a formed so as to protrude from the second plate portion 52a following the first plate portion 51a. Two attachment holes 513a and 514a are formed in the first plate portion 51a for attachment to the attachment portion of the dashboard of the vehicle (see FIG. 1 for the attachment holes 514a). In addition, three burring holes 523a, 524a, and 525a are formed in the second plate portion 52a. The arrangement of the upper protrusion 511a, the lower protrusion 512a, and the three burring holes 523a, 524a, and 524b is based on the upper positioning slit 121a, the lower positioning slit 122a, and the three bracket stoppers formed in the first side wall plate 12a. The arrangement relationship of the holes 123a, 124a, and 125a is the same.

  The second side bracket 50b is configured in the same manner except that the first side bracket 50a is in a horizontally reversed relationship with the first side bracket 50a, and is specifically shown in FIG. 5B. That is, the second side bracket 50b has a first plate portion 51b and a second plate portion 52b, as well as the first side bracket 50a, and an upper protrusion formed by a rectangular cut-out of the second plate portion 52b. It has the part 511b and the lower protrusion part 512b. The first plate portion 51b is formed with two mounting holes 513b and 514b for mounting to the mounting portion of the dashboard of the vehicle (refer to FIGS. 1 and 2 for the mounting hole 514b). Are formed with three burring holes 523b, 524b, and 525b. Also in the second side bracket 50b, as in the first side bracket 50a, the arrangement relationship of the upper protruding portion 511b, the lower protruding portion 512b, and the three burring holes 523b, 524b, and 525b is formed in the second side wall plate portion 12b. The upper positioning slit 121b, the lower positioning slit 122b, and the three bracket fixing holes 123b, 124b, and 125b have the same positional relationship.

  The first side bracket 50a and the second side bracket 50b are fixed to the bottom chassis 10 as follows. The first side bracket 50a is fixed to the first side wall plate portion 12a of the bottom chassis 10, and the second side bracket 50b is fixed to the second side wall plate portion 12b of the bottom chassis 10, but the fixing structure is as follows. Since they are the same, the fixing of the first side bracket 50a will be described below.

  As shown in FIG. 6 and enlarged in FIGS. 7 and 8, the upper protruding portion 511a and the lower protruding portion 512a of the first side bracket 50a are the upper positioning slit 121a and the lower positioning slit 122a of the first side wall plate portion 12a. And the protruding portions of the three burring holes 523a, 524a, and 525a of the first side bracket 50a are fitted into the three bracket fixing holes 123a, 124a, and 125a formed in the first side wall plate portion 12a. . And the 1st side bracket 50a is fixed to the 1st side wall board part 12a of the bottom chassis 10 by crimping the part which protruded from the bracket fixing holes 123a, 124a, 125a of the three burring holes 523a, 524a, 525a. By fitting the upper protruding portion 511a and the lower protruding portion 512a into the upper positioning slit 121a and the lower positioning slit 122a, the front-rear direction position and the vertical position of the first side bracket 50a with respect to the first side wall plate portion 12a are regulated. The first side bracket 50a is positioned.

  For example, as shown in FIG. 8, the upper end 511aa (upper edge of the upper positioning slit 121a) of the upper protruding portion 511a of the first side bracket 50a is the same as the center of the mounting hole 513a formed in the first plate portion 51a. It becomes a height position and the upper end 511aa of the upper protrusion part 511a can be used as the reference position Zo in the vertical direction. Further, a straight line passing through the upper protruding portion 511a and the lower protruding portion 512a (the upper positioning slit 121a and the lower positioning slit 122a) of the first side bracket 50a can be set as the reference position Xo in the front-rear direction. Then, a surface perpendicular to the first side wall plate portion 12a including the straight line at the reference position Xo, for example, the surface of the first plate portion 51a of the first side bracket 50a can be used as the reference surface Ps (Xo) in the front-rear direction. .

  As described above, the first side bracket 50a is fixed to the first side wall plate portion 12a and the second side bracket 50b is fixed to the second side wall plate portion 12b (see FIG. 6). The front chassis 20 is attached as follows.

  As shown in FIG. 9 and enlarged in FIG. 10, the front chassis 20 has two hooking latches formed so as to protrude rearward from the end of the bottom chassis 10 on the first side wall plate 12a side. It has the parts 23a and 24a. The two hook locking portions 23a and 24a are arranged in the vertical direction, and the positional relationship thereof corresponds to the positional relationship between the upper protruding portion 511a and the lower protruding portion 512a of the first side bracket 50a. Then, the upper hooking and locking portion 23a is protruded inwardly of the bottom chassis 10 from the upper positioning slit 121a formed in the first side wall plate portion 12a of the bottom chassis 10 and the upper protruding portion 511a of the first side bracket 50a. The lower hook engaging portion 24a is engaged with the inner portion of the bottom chassis 10 from the lower positioning slit 122a formed in the first side wall plate portion 12a. The first side bracket 50a projecting in the direction is hooked and locked to the lower projecting portion 512a. Accordingly, the front chassis 20 is positioned in the front-rear direction and the up-down direction with respect to the first side bracket 50a. In this state, the gap between the front end portion of the locking piece 111 and the first side wall plate portion 12 where the end plate on which the hook locking portions 23 a and 24 a of the front chassis 20 are formed rises from the front edge of the bottom plate 11. Plugged into the GP and locked.

  Although not shown, the front chassis 20 also has two hooking locking portions on the second side wall plate portion 12b of the bottom chassis 10 at the opposite end, as described above. The second side bracket 50b is engaged with the upper protrusion 511b and the lower protrusion 512b of the second side bracket 50b protruding inward of the bottom chassis 10 from the formed upper positioning slit 121b and lower positioning slit 122b. In addition, they are positioned in the front-rear direction and the vertical direction. In this state, similarly, the end plate on the opposite side of the front chassis 20 is between the front end portion of the locking piece (corresponding to the locking piece 111) rising from the front edge of the bottom plate 11 and the second side wall plate portion 12. Locked.

  As described above, the front chassis 20 is integrated with the bottom chassis 10 in a state where the front chassis 20 is positioned in the front-rear direction and the up-down direction with respect to the first side bracket 50a and the second side bracket 50b. And the housing | casing 100 of the vehicle equipment by which this bottom chassis 10 and the front chassis 20 are integrated becomes a structure as shown in FIG. 11 which becomes a side view while it is shown in FIG.1 and FIG.2. For example, as shown in FIG. 12, the housing 100 is installed in a dashboard panel 200 of a vehicle. 12 shows the second side wall plate portion 12b side of the bottom sheet 10, the first side wall plate portion 12a side is substantially the same (hereinafter referred to as the first side wall plate portion 12a). The side is described in parentheses).

  In FIG. 12, the device front panel 300 is attached to the front chassis 20 in a state where the relative position is maintained by the ribs 301 protruding from the back surface of the device panel 300 contacting the positioning recesses 22 b (22 a) formed in the front chassis 20. It has been. And the 2nd side bracket 50b (1st side bracket 50a) fixed to the 2nd side wall board part 12b (1st side wall board part 12a) of the bottom chassis 10 on the mounting surface P with which the dashboard panel 200 was united. Fixed. Specifically, the 1st board part 51b (51a) of the 2nd side bracket 50b (1st side bracket 50a) is fixed to the attachment surface P with the bolt which passes along the attachment holes 513b (513a) and 514b (514a). In this state, the reference plane Ps (Xo) (see FIG. 8) in the front-rear direction of the casing 100 determined by the first plate portion 51b (51a) of the second side bracket 50b (first side bracket 50a) is the mounting surface P. The vertical reference position Zo (see FIG. 8) determined by the position of the upper end of the upper protrusion 511b (511a) of the second side bracket 50b (first side bracket 50a) is the vertical direction of the mounting surface P. Matches the mounting position. Then, the device front panel 300 is exposed from the dashboard panel 200.

  Since the front chassis 20 is integrated with the bottom chassis 10 while being positioned on the second side bracket 50b (first side bracket 50a), the front chassis 20 has a front-rear direction with respect to the dashboard panel 200 (mounting surface P). The mounting dimension error in the vertical direction is not affected by the mounting error between the second side bracket 50b (first side bracket 50a) and the bottom chassis 10 and the mounting error between the front chassis 20 and the bottom chassis 10. Therefore, the mounting dimension error between the front chassis 20 and the dashboard panel 200 can be minimized, and as a result, the mounting dimension between the device front panel 300 and the dashboard panel 200 attached to the front chassis 20 is reduced. The error can be minimized. In this way, since the device front panel 300 can be accurately arranged with respect to the dashboard panel 200 in the vertical direction, the gap Gp1 between the dashboard panel 200 and the upper side of the device front panel 300, and the dashboard panel The casing 100 can be easily installed in the dashboard panel 200 so that the gap Gp2 between the lower side 200 and the lower side of the device front panel 300 is uniform. In addition, since the device front panel 300 can be accurately arranged with respect to the dashboard panel 200 also in the front-rear direction, the continuity of the entire surface Sc composed of the surface of the dashboard panel 200 and the surface of the device front panel 300 is improved. It can be secured easily.

  In addition, the mounting positions Z1 and Z2 with high accuracy with respect to the vertical reference position Zo (see FIG. 8) determined by the position of the upper end of the upper protruding portion 511b (511a) of the second side bracket 50b (first side bracket 50a). By attaching the guide bush 13b to the second side wall plate portion 12b (first side wall plate portion 12a) of the bottom chassis 10, the second side bracket 50b (first side bracket 50a) is accurately positioned on the mounting portion of the mounting surface P. Will be able to.

  In the above-described embodiment, the case 100 in which the bottom chassis 10 and the front chassis 20 of the in-vehicle audio device are integrated has been described. However, the present invention is not limited to this, and the first member and the second member are integrated. Any structure can be applied as long as a bracket for fixing the housing to a predetermined object is fixed to the first member of the housing.

  The housing structure according to the present invention is configured so that the housing formed by integrating the first member and the second member is attached to a predetermined object with a bracket fixed to the first member. It has the effect that the mounting dimension error with respect to a predetermined object becomes as small as possible, and is useful as a housing structure for equipment such as in-vehicle equipment.

10 Bottom chassis (first member)
11 bottom plate part 12a first side wall plate part 12b second side wall plate part 13b guide bush 20 front chassis (second member)
21 Disc insertion slot 22a, 22b Positioning recess 23a, 24a Hook latching portion 30 Top plate 40 Back plate 50a First side bracket 50b Second side bracket 100 Housing 111 Locking piece 121a, 121b Upper positioning slit 122a, 122b Lower Positioning slits 123a, 124a, 125a Bracket retaining holes 123b, 124b, 125b Bracket retaining holes 51a, 51b First plate portions 52a, 52b Second plate portions 511a, 511b Upper protruding portions 512a, 512b Lower protruding portions 513a, 514a Mounting holes 513b 514b Mounting hole 523a, 524a, 525a Burring hole 523b, 524b, 525b Burring hole 200 Dashboard panel 300 Equipment front panel 301 Rib

Claims (4)

A bottom chassis having a bottom plate having a bottom plate and a side wall plate rising from each of two edges extending in the front-rear direction of the bottom plate, and a front chassis disposed in front of the bottom chassis is integrated with the bottom chassis. A housing structure in which a bracket for attaching the housing to a predetermined object is fixed to the side wall plate portion,
A positioning part is formed on the side wall plate part of the bottom chassis,
The bracket is fixed to the side wall plate portion of the bottom chassis in a state in which the bracket is positioned in the vertical direction parallel to the front-rear direction and the direction in which the side wall plate portion rises .
A housing structure in which the front chassis is integrated with the bottom chassis in a state where the front chassis is positioned in the front-rear direction and the up-down direction . The bracket has a first plate portion to be fixed to the predetermined object and a second plate portion continuing so as to be substantially orthogonal thereto, and protrudes from the second plate portion to the opposite side to the first plate portion. Having a protrusion to
In the side wall plate portion of the bottom chassis, a positioning hole is formed as the positioning portion,
The protruding portion is positioned in the front-rear direction and the vertical direction by being fitted into the positioning hole formed in the side wall plate portion of the bottom chassis from the outside of the bottom chassis. , housing structure according to claim 1, wherein the second plate portion is fixed to the side wall plate portion of the bracket. The front chassis has a locking portion that can be locked to the protruding portion of the bracket inside the bottom chassis,
The housing structure according to claim 2 , wherein the front chassis is positioned on the bracket by locking the locking portion to the protruding portion. The protrusion is a cut-and-raised portion formed to cut and raise a part of the second plate portion and protrude from the second plate portion, and a positioning hole formed in the side wall plate portion of the bottom chassis. The housing structure according to claim 2 or 3, which is fitted in the housing.

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