JP6094900B2 - Suspension support structure for transmission case - Google Patents

Description

  The present invention relates to a suspension support structure for a transmission case that supports an air cleaner on an upper portion of the transmission case using a transmission hanger that supports the transmission case coupled to an engine.

  A transmission hanger for hanging and supporting the transmission case on a transmission case is fixed with a bolt, and an air cleaner mount bracket for supporting an air cleaner from below is fixed to the transmission hanger with a bolt. Is known.

JP-A-10-61510

  By the way, the above-mentioned conventional one not only increases the number of parts because the transmission hanger and the air cleaner mount bracket are composed of separate members, but also changes the speed of the transmission hanger when the transmission hanger is deformed by the weight of the transmission and the engine. The position of the air cleaner mount bracket fixed to the machine hanger could change, and the attitude of the air cleaner could become unstable.

  The present invention has been made in view of the above circumstances, and an object thereof is to reliably support a transmission case and an air cleaner with a small number of parts.

  In order to achieve the above object, according to the first aspect of the present invention, an air cleaner is supported on an upper portion of the transmission case using a transmission hanger that suspends and supports the transmission case coupled to the engine. A transmission case hanger supporting structure, wherein the transmission hanger has a first fixing portion fixed to the upper surface of the transmission case by first fixing means, and a second fixing means of the transmission case. A second fixing part fixed to the upper surface, a hanger part provided to connect the first fixing part and the second fixing part on the upper surface of the transmission case, and capable of hanging the transmission case, A stay portion extending upward from an opposite side of the first fixing portion to the hanger portion; an air cleaner support portion provided at an upper end of the stay portion for supporting the air cleaner; Suspension support structure of the transmission case is proposed, characterized in that it comprises a wire support portion for supporting the wiring provided over portions together.

  According to the invention described in claim 2, in addition to the configuration of claim 1, the wiring connects a connector provided on the upper surface of the transmission case to an electrical device, and the wiring support portion includes the connector and A suspension support structure for a transmission case is proposed in which the wiring is supported by an intermediate portion of the electric device.

  According to the invention described in claim 3, in addition to the configuration of claim 1 or claim 2, the air cleaner support portion is formed by bending an upper portion of the stay portion and supported by the wiring support portion. A suspension support structure for a transmission case is proposed in which the wiring passes below the air cleaner support portion.

  According to the invention described in claim 4, in addition to the configuration of any one of claims 1 to 3, the wiring support part is located higher than the hanger part. A suspension support structure for the transmission case is proposed.

  The PCU of the embodiment corresponds to the electric device of the present invention, the bolt 17 of the embodiment corresponds to the first fixing means of the present invention, and the bolt 18 of the embodiment corresponds to the second fixing means of the present invention. Correspond.

  According to the configuration of the first aspect, the transmission hanger is fixed to the upper surface of the transmission case by the first fixing means, and the second fixing portion is fixed to the upper surface of the transmission case by the second fixing means. A fixed portion, a hanger portion provided on the upper surface of the transmission case to connect the first fixed portion and the second fixed portion and capable of suspending the transmission case, and the first fixed portion from the opposite side to the hanger portion A transmission hanger is provided integrally with a stay portion that extends upward, an air cleaner support portion that is provided at the upper end of the stay portion and supports the air cleaner, and a wiring support portion that is provided on the stay portion and supports the wiring. It is possible not only to reduce the number of parts by supporting the transmission case, the air cleaner, and the wiring, but also to reduce the hanger even if the hanger part that supports the large weight of the transmission is deformed. Since the ends of the over portion is fixed to the transmission case by the first, second fastening means, prevents the deformation of the hanger portion extends to the stay portion, the supporting posture of the air cleaner and the wiring can be stabilized.

  According to the second aspect of the present invention, since the wiring connects the connector provided on the upper surface of the transmission case to the electrical equipment, and the wiring support portion supports the wiring at the middle portion of the connector and the electrical equipment, The posture can be stabilized by fixing the intermediate portion and minimizing the shake.

  According to the third aspect of the invention, the air cleaner support portion is formed by bending the upper portion of the stay portion, and the wiring supported by the wiring support portion passes below the air cleaner support portion. Even if it falls off, the air cleaner can be prevented from falling on the wiring below the air cleaner support portion, and the wiring can be protected from damage.

  According to the fourth aspect of the present invention, since the wiring support portion is located higher than the hanger portion, it is possible to avoid the wiring from interfering with the hanger portion.

The front view of the engine and transmission for motor vehicles. FIG. 2 is a two-direction arrow view of FIG. 1. FIG. 3 is an enlarged sectional view taken along line 3-3 in FIG. 1. Single figure of transmission hanger.

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

  As shown in FIG. 1, a transmission M is coupled to an engine E of an automobile, and an air cleaner 12 that cleans intake air of the engine E is supported on an upper surface of a transmission case 11 that constitutes an outline of the transmission M. . Further, a wiring 14 made of a three-phase wire extending from a connector 13 provided on the upper surface of the transmission case 11 is a transmission actuator made up of a PCU (power control unit) (not shown) or an electric motor provided in the upper part of the transmission case 11. 15 etc.

  As shown in FIGS. 2 to 4, the transmission hanger 16 for hanging and supporting the transmission case 11 in the engine room is formed by bending one metal plate, and the boss portion on the upper surface of the transmission case 11. A first hanger 19 and a second hanger 20 that are fastened by bolts 17 and 18 to 11a and 11b, respectively, and a hanger that extends upward in an inverted U shape so as to connect the first and second hangers 19 and 20 Part 21, a stay part 22 that rises substantially linearly from the opposite side of first fixing part 19 to hanger part 21, and an air cleaner support part 23 that is configured by bending the upper part of stay part 22. The first and second fixing portions 19 and 20 are bent in opposite directions so as to be separated from each other across the hanger portion 21, and the hanger portion 21 and the stay portion 22 are in the same direction (upward) across the first fixing portion 19. Can be folded.

  An oblong bolt hole 21a is formed at the center of the hanger part 21, and the hanger part 21 is suspended and supported at a predetermined position in the engine room by a bolt (not shown) penetrating the bolt hole 21a. Bolt holes 23 a are formed in the air cleaner support portion 23, and nuts 25 are screwed into bolts 24 that pass through the bolt holes 23 a and brackets 12 a protruding from the side portions of the air cleaner 12, so that the air cleaner support portion The air cleaner 12 is fastened to 23. The transmission case 11 is supported not only via the transmission hanger 16 but also at a predetermined position in the engine room via a mount member (not shown), and the air cleaner 12 is a bracket other than the bracket 12a. Is also supported above the engine E.

  A wiring support portion 22 a made up of a rectangular through hole is formed at an intermediate position in the vertical direction of the stay portion 22 of the transmission hanger 16 and higher than the upper end of the hanger portion 21. A split cylindrical wiring fixture 26 is attached to the middle portion of the wiring 14 connecting the connector 13 and the PCU, and a claw portion 26a protruding from the outer periphery of the wiring fixture 26 is press-fitted into the wiring support portion 22a. Thus, the intermediate portion of the wiring 14 is fixed to the stay portion 22.

  Next, the operation of the embodiment of the present invention having the above configuration will be described.

  A stay portion 22 for supporting the air cleaner 12 and an air cleaner support portion 23 are integrally formed on the transmission hanger 16 for supporting the transmission case 11 in a suspended manner, and a wiring support portion 22a for supporting the wiring 14 is formed. Since these are integrally formed, the number of parts can be reduced as compared with the case where they are formed of separate members. In addition, since the transmission hanger 16 is formed by bending a single metal plate, it can be manufactured at low cost.

  By the way, if the hanger portion 21 of the transmission hanger 16 fixed to the upper surface of the transmission case 11 with two bolts 17 and 18 is suspended and supported in the engine room by bolts (not shown), the weight of the transmission M and the engine E The hanger portion 21 to which the hanger is applied may be deformed, but both ends of the inverted U-shaped hanger portion 21 are fastened to the upper surface of the transmission case 11 by two bolts 17 and 18. The deformation does not reach the stay portion 22, and the support posture of the air cleaner 12 supported by the air cleaner support portion 23 continuous to the stay portion 22 and the wiring 14 supported by the wiring support portion 22 a of the stay portion 22 is stabilized. Can do.

  Further, the wiring 14 connects the connector 13 provided on the upper surface of the transmission case 11 to the PCU, and the wiring support portion 22a of the transmission hanger 16 supports the wiring 14 at the intermediate portion between the connector 13 and the PCU. The posture can be stabilized by fixing the part and the intermediate part and minimizing the shake.

  The air cleaner support portion 23 of the transmission hanger 16 extends in parallel with the lower surface of the air cleaner 12 from the upper end of the stay portion 22, and the wiring 14 supported by the wiring support portion 22 a of the transmission hanger 16 passes below the air cleaner support portion 23. Therefore, even if the air cleaner 23 drops off from the air cleaner support 23, the air cleaner 12 does not fall on the wiring 14 below the air cleaner support 23, and the wiring 14 can be protected from damage.

  Further, since the wiring support portion 22a of the transmission hanger 16 to which the wiring fixture 26 is fixed is located higher than the hanger portion 21, the wiring 14 is prevented from interfering with the hanger portion 21 and rubbed against the hanger portion 21. Thus, it is possible to prevent the wiring coating from being damaged.

  The embodiments of the present invention have been described above, but various design changes can be made without departing from the scope of the present invention.

  For example, the electric device of the present invention is not limited to the PCU of the embodiment, and may be another electric device such as an engine E or an auxiliary machine of the transmission M.

  The wiring of the present invention is not limited to a power line such as a three-phase line, and may be a control signal line.

  Further, the first and second fixing means of the present invention are not limited to the bolts 17 and 18 of the embodiment, and any other fixing means can be adopted.

E Engine 11 Transmission case 12 Air cleaner 13 Connector 14 Wiring 16 Transmission hanger 17 Bolt (first fixing means)
18 bolts (second fixing means)
19 First fixing part 20 Second fixing part 21 Hanger part 22 Stay part 22a Wiring support part 23 Air cleaner support part

Claims (4)

A transmission hanger (16) that suspends and supports a transmission case (11) coupled to the engine (E) is used to mount a transmission case that supports an air cleaner (12) on the transmission case (11). A suspension support structure,
The transmission hanger (16) includes a first fixing portion (19) fixed to the upper surface of the transmission case (11) by a first fixing means (17) and a second fixing means (18). The second fixing portion (20) fixed to the upper surface of the case (11) is connected to the first fixing portion (19) and the second fixing portion (20) on the upper surface of the transmission case (11). A hanger part (21) that can be suspended from the transmission case (11) and a stay part (22) that extends upward from the opposite side of the first fixing part (19) to the hanger part (21). An air cleaner support part (23) provided at the upper end of the stay part (22) and supporting the air cleaner (12), and a wiring support part provided at the stay part (22) and supporting the wiring (14). Integrated with (22a) Suspension support structure of the transmission case, characterized in that it comprises.   The wiring (14) connects a connector (13) provided on the upper surface of the transmission case (11) to an electrical device, and the wiring support portion (22a) is an intermediate portion between the connector (13) and the electrical device. The suspension support structure for a transmission case according to claim 1, wherein the wiring (14) is supported.   The air cleaner support part (23) is formed by bending the upper part of the stay part (22), and the wiring (14) supported by the wiring support part (22a) passes below the air cleaner support part (23). The suspension support structure for a transmission case according to claim 1, wherein the suspension support structure is a transmission case.   The suspension support structure for a transmission case according to any one of claims 1 to 3, wherein the wiring support portion (22a) is positioned higher than the hanger portion (21).

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