JP2515726Y2 - Vehicle exhaust pipe - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to an exhaust pipe mounted on a vehicle for discharging exhaust gas to a predetermined position.

[Prior Art] An exhaust pipe is usually installed at a lower end of the rear end of a vehicle near a road surface in a substantially horizontal state.

[Problems to be solved by the invention] When using an exhaust gas to lift the rear end of a vehicle with an air jack, there is a work space for connecting the connection hose of the air jack to the exhaust pipe and setting the jack body. Although it is necessary, since the conventional exhaust pipe is installed at a low position, if there is an obstacle protruding behind the exhaust pipe or the parking surface is poorly leveled and work space cannot be secured, It is necessary to remove the obstacle or move the vehicle and then connect the connecting hose to the exhaust pipe, which requires a considerable amount of time and labor for connecting the air jack.

An object of the present invention is to solve the above problems and simplify the work of connecting an air jack to an exhaust pipe.

[Means for Solving the Problems] In order to solve the above problems, the present invention is configured as follows. That is, the present invention has a first conduit connected to a muffler, a second conduit having an exhaust port opened at a rear end, and a service port for connecting an air jack provided on a side surface of a body at an upper end. Is an exhaust pipe of a vehicle having a switched third pipe and a switching valve to which the respective pipes are respectively connected, and the first pipe and the second pipe are provided in a branch pipe of the switching valve. A damper provided for switching between a state in which the third pipeline is closed and the third pipeline is closed and a state in which the first pipeline and the third pipeline are communicated and the second pipeline is closed. A plate is provided so as to be tiltable, and a transmission piece provided on the damper plate and an oscillating piece rotatably attached to the branch pipe and connected to the transmission piece are provided as operation means for switching the damper plate. , With its swingable piece and removable operating handle It is characterized in.

[Operation] A first pipe line connected to the muffler, a second pipe line having an exhaust port opened at the rear end, and a third pipe line having a service port arranged on the side surface of the body opened at the upper end. The damper plate inserted into the branch pipe of the switching valve that connects the valve is tilted, the first and second conduits are in communication with each other, and the third conduit is closed; The second pipeline is switched to the closed state by communicating the pipeline, and the exhaust gas is selectively discharged through the exhaust port or the service port.

[Advantages of the Invention] Since the present invention is configured as described above, when an air jack is used, the connection hose of the air jack is connected to the service port and exhaust gas is introduced into the connection hose through the service port. In addition, the service port is located on the side surface of the body at a position where it is easy to work above the second conduit, and a working space can be secured on the side of the body, so that the connection hose is connected to the service port. There is an effect that the workability at the time of doing so can be improved, and even if an obstacle is projected behind the exhaust port, the work of connecting the air jack to the exhaust pipe can be easily performed. In addition, the operation means for switching the damper plate of the present invention has an extremely simple structure, and the switching of the damper plate can be easily performed, and the operation status of the air jack connected to the exhaust pipe, that is, the jack-up status. You can operate the air jack while watching.

[Embodiment] Next, an embodiment of the present invention will be described with reference to the drawings.

The body 1 of the vehicle for discharging exhaust gas to a predetermined position
The exhaust pipe P attached to the first pipe 3 is installed substantially horizontally and is connected to the main muffler 2 and the first pipe 3 and the second pipe 3 installed behind the first pipe 3 in a state of being inclined downward toward the rear. The pipeline 4, the third pipeline 5 installed above the first and second pipelines 3 and 4 in the state of being extended in the vertical direction, and each pipeline 3,
A switching valve 6 for switching the flow paths is provided to which 4 and 5 are respectively connected.

An exhaust port 7 for discharging exhaust gas when the vehicle is traveling is opened at a rear end of the second pipeline 4, and an upper end of the third pipeline 5 is attached near a rear end of one side surface of the body 1. A service port 9 which is inserted into a box-shaped service cover 8 and which is disposed on the side surface of the body 1 above the second conduit 4 is opened.

The switching valve 6 includes a branch pipe 10 formed in a three-pronged shape for introducing exhaust gas and flowing in two directions, and a gap between an inner wall surface of the branch pipe 10 for switching the flow direction of the exhaust gas. And a damper plate 11 inserted in a sealed state.

A front connection port 10a to which a rear end of the first pipe 3 is connected is opened at a front end of the branch pipe 10, and a second pipe 4 is formed at a rear end of the branch pipe 10.
After the rear end is connected, the rear connection port 10b is opened, and the branch pipe 10
Upper connection port 10c to which the lower end of the third conduit 5 is connected to the upper end of
Is opened.

The damper plate 11 is integrally formed at the base end thereof, and both ends thereof are connected to the second pipe line 4 side and the third pipe line 5 side via the support shaft 13 which is inserted into the upper ends of both side walls of the branch pipe 10. Is supported in a tiltable manner, and the tip edge of the damper plate 11 contacts the lower surface of the upper wall of the branch pipe 10 so that the whole body is in a horizontal position, and the tip edge contacts the bottom surface of the branch pipe 10 and the whole is forward. It is changed to a forward leaning posture in which it is tilted downward.

At one end of the support shaft 13, a transmission piece 14 is attached to the outer wall surface of one side wall of the branch pipe 10 and has a through hole 14a formed near the center thereof.
The base end of is fixed.

An interlocking pin 15a loosely inserted into the through hole 14a of the transmission piece 14 is provided at the tip of the swinging piece 15 pivotally mounted near one center of the branch pipe 10 so as to project. A rectangular hole-shaped operation hole 15b into which a tip end of a shaft portion 16a of an operation handle 16 provided for tilting the damper plate 11 is inserted and removed is formed in a base end portion of the tilting piece 15.

When the rocking piece 15 is rocked forward and upward by the operation handle 16 and the transmission piece 14 is rocked forward and upward, the damper plate
11 is tilted toward the side of the third conduit 5 and is held in a horizontal posture,
The conduit 3 and the second conduit 4 are communicated with each other to close the third conduit 5, and the exhaust gas is discharged to the outside of the second conduit 4 through the exhaust port 7. On the other hand, when the rocking piece 15 is rocked rearward and downward by the operation handle 16 and the transmission piece 14 is rocked rearward and downward, the damper plate 12 tilts toward the second pipe line 4 side and is in a forward tilted posture. It is held, the first conduit 3 and the third conduit 5 are communicated with each other, the second conduit 4 is closed, and the exhaust gas is discharged through the service port 9 to the third position.
It is discharged to the outside of the pipeline 5.

Next, the operation and effect of the embodiment having the above-mentioned configuration will be described.

The exhaust pipe P of this example has a first pipe line 3 connected to the main muffler 2, a second pipe line 4 having an exhaust port 7 opened at the rear end, and a service port 9 arranged on the side surface of the body 1.
Has a third pipeline 5 opened at the upper end and a switching valve 6 to which the pipelines 3, 4, 5 are respectively connected, and a first pipeline is provided in a branch pipe 10 of the switching valve 6. 3 and the second pipeline 4 are in communication with each other and the third pipeline 5 is closed, and the first pipeline 3 and the third pipeline 5 are in communication with each other and the second pipeline 4 is closed. A damper plate 11 provided for switching to and is inserted so as to be tiltable.

Therefore, during normal exhaust, when the damper plate 11 is tilted toward the third pipe line 5 to connect the first pipe line 3 and the second pipe line 4 to each other, the exhaust gas can be discharged through the exhaust port 4. When using an air jack, after connecting the connection hose H of the air jack to the service port 9, the shaft portion 16a of the operation handle 16 is connected to the square hole operation hole 1 of the rocking piece 15 on the spot.
If the damper plate 11 is tilted and inserted into 5b to connect the first conduit 3 to the third conduit 5, exhaust gas is sent to the air jack and the air jack is lifted.
That is, the driver can operate the air jack while watching the situation of jacking up by the air jack.

The service port 9 opened at the upper end of the third conduit 5 is disposed above the second conduit at a position on the side surface of the body 1 where it is easy to work, and a working space is secured on the side of the body 1. The workability when connecting the connection hose H of the air jack to the service port 9 can be improved, and even if the obstacle S is projected to the rear of the exhaust port 7, the air jack to the exhaust pipe P There is an effect that the connection work can be easily performed.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a partially cutaway side view of an exhaust pipe, and FIG.
An X-ray arrow view and FIG. 3 are perspective views of the switching valve. 1 …… Body 2 …… Main muffler 3 …… First pipe 4 …… Second pipe 5 …… Third pipe 6 …… Switching valve 10 …… Branch pipe 11 …… Damper plate P …… Exhaust pipe

Claims (1)

(57) [Scope of utility model registration request] 1. A first pipe line connected to a muffler, a second pipe line having an exhaust port opened at a rear end, and a service port for connecting an air jack provided on a side surface of a body is opened at an upper end. Is an exhaust pipe of a vehicle having a switched third pipe and a switching valve to which the respective pipes are respectively connected, wherein the first pipe and the second pipe are provided in a branch pipe of the switching valve. A damper provided for switching between a state in which the third pipeline is closed and the third pipeline is closed and a state in which the first pipeline and the third pipeline are communicated and the second pipeline is closed. A plate is provided so as to be tiltable, and a transmission piece provided on the damper plate and an oscillating piece rotatably attached to the branch pipe and connected to the transmission piece are provided as operation means for switching the damper plate. , The swinging piece has an operation handle that can be attached / detached. Exhaust pipe of the vehicle.