Exhaust pipeline backpressure adjusting device

Abstract

The utility model belongs to the technical field of exhaust pipelines, and particularly relates to an exhaust pipeline backpressure adjusting device which comprises an operation table and a connecting pipe arranged on the operation table and used for exhausting, a rotatable rotating disc is arranged on one side of the operation table, and a plurality of butt joint holes are formed in the rotating disc in an annular array penetrating mode. A plurality of exhaust pipe bodies connected with the butt joint holes are arranged on the side, away from the connecting pipe, of the rotary disc, the ends of the exhaust pipe bodies sequentially pass through the end, used for exhausting, of the connecting pipe based on rotation, and a butt joint used for butt joint is further arranged at one end of the connecting pipe in a sleeved mode. Therefore, the exhaust pipe bodies can be driven to sequentially pass through the end part of the connecting pipe in the rotating process, so that the connecting pipe can be conveniently in butt joint with different exhaust pipe bodies, and the exhaust pipe bodies with different structures and the connecting pipe can be conveniently subjected to backpressure testing.

Description

TECHNICAL FIELD

[0001] The utility model belongs to exhaust pipeline technical field, concretely relates to an exhaust pipeline back pressure regulating device. BACKGROUND

[0002] The new vehicle model needs to test the exhaust back pressure of the case in the process of research and development, and needs to use the back pressure regulating device in the process.

[0003] In the Chinese utility model patent with the patent No. CN202222760360.4 and the name of a kind of exhaust pipeline back pressure regulating device, back pressure regulating device is used to realize back pressure regulating effect, without replacing exhaust pipe or other devices, save test time, improve test efficiency;And back pressure regulating device is easy to install and disassemble, without replacing the entire exhaust system, reduce cost, but, the blocking piece can only adjust the opening degree, cannot test the influence of different shapes of exhaust pipe on back pressure, greatly reduce the practicability of equipment. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of exhaust pipeline back pressure regulating device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of exhaust pipeline back pressure regulating device, comprising: operating platform and the connecting pipe for exhaust on operating platform, the side of the operating platform is equipped with rotatable turntable, the turntable is penetrated by multiple butt joint holes in annular array, the side of the turntable deviating from connecting pipe is equipped with multiple exhaust pipe bodies connected with butt joint hole, based on rotation makes the end of multiple exhaust pipe bodies sequentially through the one end for exhaust of connecting pipe.

[0006] Preferably, one end of the connecting pipe is also sleeved with a butt joint for butt joint, one end of the butt joint can be movably inserted into the passing butt joint hole.

[0007] Preferably, the end of the butt joint deviating from the turntable is also provided with a spring for resetting, a fixing frame for connection is arranged between the connecting pipe and the operating platform, the spring is sleeved on the connecting pipe, and one end of the spring abuts on the fixing frame.

[0008] Preferably, the outside of the end of the butt joint close to the turntable is provided with a chamfer, and the inner side of each butt joint hole close to the end of the butt joint is provided with a sealing gasket for sealing.

[0009] Preferably, a plurality of external thread joints are welded on one side of the turntable, a plurality of external thread joints are respectively communicated with a plurality of butt joint holes, and the end of each exhaust pipe body is provided with a connecting head screwed on the external thread joint.

[0010] Preferably, the operation platform further comprises a driving member for driving the rotation of the rotating disc, the driving member comprising a motor and a driving shaft installed at the output end of the motor, one end of the driving shaft being installed at the rotating shaft of the rotating disc, and the operation platform being provided with a mounting bin for accommodating the motor.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] (1) The utility model discloses a rotatable rotating disc, which can drive multiple exhaust pipe bodies to pass through the end of the connecting pipe in turn during rotation, thereby facilitating the butt joint connection of the connecting pipe and different exhaust pipe bodies and the back pressure test of different structure exhaust pipe bodies and the connecting pipe.

[0013] (2) The utility model discloses a butt joint head, which facilitates the butt joint of the connecting pipe and the passing butt joint hole and the entry of exhaust gas into the exhaust pipe body.

[0014] (3) The utility model discloses a spring, which enables the butt joint head to abut against the butt joint hole at all times through the elastic force of the spring, avoids the separation of the butt joint head and the butt joint hole and enables the butt joint head to be automatically inserted into the butt joint hole when switching adjacent butt joint holes. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a side view of the utility model;

[0016] Figure 2 It is a front view of the rotating disc and the external thread joint of the utility model;

[0017] Figure 3 It is a partial sectional view of the exhaust pipe body, the rotating disc, the butt joint head and the connecting pipe of the utility model;

[0018] Figure 4 It is a structure schematic view of the driving member and the operation platform of the utility model;

[0019] In the drawing: 1, operation platform; 2, fixed frame; 3, connecting pipe; 4, spring; 5, butt joint head; 6, rotating disc; 7, exhaust pipe body; 8, connecting head; 9, driving shaft; 10, external thread joint; 11, butt joint hole; 12, chamfer; 13, sealing gasket; 14, mounting bin; 15, motor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] Reference Figure 1 As shown in the utility model provides a kind of exhaust duct back pressure regulating device, comprising: operating platform 1 and the connecting pipe 3 for exhaust on operating platform 1, the side of operating platform 1 is equipped with rotatable carousel 6, carousel 6 is penetrated with multiple butt joint holes 11 in annular array, the side of carousel 6 away from connecting pipe 3 is equipped with multiple exhaust pipe body 7 connected with butt joint hole 11, based on rotation makes the end of multiple exhaust pipe body 7 sequentially through the end for exhaust of connecting pipe 3.

[0022] Combined Figure 4 As shown in the utility model, drive member is further provided in operating platform 1 for driving carousel 6 to rotate drive, and drive member includes motor 15 and the drive shaft 9 installed at the output end of motor 15, one end of drive shaft 9 is installed at the rotation axis of carousel 6, and installation bin 14 for accommodating motor 15 is formed in operating platform 1.

[0023] The above, using the operating platform 1, connecting pipe 3, carousel 6 and multiple exhaust pipe body 7 provided by the utility model, multiple exhaust pipe body 7 can be rotated and arranged at the end of connecting pipe 3 by carousel 6, connecting pipe 3 is connected with the exhaust end of engine, when motor 15 is started, carousel 6 is rotated by drive shaft 9, so that multiple exhaust pipe body 7 can be sequentially rotated through the end of connecting pipe 3, when the end of one of exhaust pipe body 7 is butt jointed with the end of connecting pipe 3, exhaust enters the aligned exhaust pipe body 7 through connecting pipe 3 at this time.

[0024] Further, in order to facilitate the replacement of exhaust pipe body 7 on carousel 6, reference Figures 2-3 As shown in the utility model, multiple external thread joints 10 are welded on the side of carousel 6, multiple external thread joints 10 are communicated with multiple butt joint holes 11 respectively, and the end of each exhaust pipe body 7 is provided with connecting head 8 screwed on external thread joint 10. Exhaust pipe body 7 is butt jointed and installed on external thread joint 10 through connecting head 8, so as to facilitate the butt joint of different exhaust pipe body 7 and connecting pipe 3.

[0025] In the utility model, combined Figure 1 And Figure 3 As shown in the utility model, one end of butt joint 5 of the end of the connecting pipe 3 of the embodiment is further sleeved for butt joint, and the end of butt joint 5 can be movably inserted into the passing butt joint hole 11.

[0026] Combination Figure 1 and Figure 3 As shown, the end of the connector 5 facing away from the turntable 6 is also provided with a spring 4 for resetting. A fixing bracket 2 for connection is provided between the connecting pipe 3 and the operating table 1. The spring 4 is sleeved on the connecting pipe 3, and one end of the spring 4 abuts against the fixing bracket 2.

[0027] As described above, when using the connector 5 and spring 4 provided by this utility model, when one of the docking holes 11 is on the axis of one end of the connecting pipe 3, the elastic force of the spring 4 is released, thereby driving the connector 5 to automatically insert into the docking hole 11, and thus completing the docking of the connecting pipe 3 and the exhaust pipe body 7. At this time, the elastic force of the spring 4 can prevent the connector 5 from disengaging from the docking hole 11.

[0028] Furthermore, to facilitate switching of connector 5 between two adjacent mating holes 11, refer to Figure 3 As shown, the outer side of the connector 5 near the turntable 6 has a chamfer 12, and the inner side of each mating hole 11 near the connector 5 has a sealing gasket 13 for sealing. The chamfer 12 facilitates the automatic ejection of the connector 5 from the mating hole 11 when the turntable 6 rotates. When entering another mating hole 11, it is automatically inserted into the mating hole 11 by the elastic force of the spring 4. After the connector 5 is inserted into the mating hole 11, the sealing gasket 13 seals the gap between the connector 5 and the mating hole 11.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A back pressure regulating device for an exhaust pipe, characterized in that, include: The operating table (1) and the connecting pipe (3) on the operating table (1) for exhaust are provided. A rotatable turntable (6) is provided on one side of the operating table (1). Multiple docking holes (11) are arranged in a ring array on the turntable (6). Multiple exhaust pipe bodies (7) connected to the docking holes (11) are provided on the side of the turntable (6) away from the connecting pipe (3). Based on the rotation, the ends of the multiple exhaust pipe bodies (7) pass through the end of the connecting pipe (3) for exhaust in sequence.

2. The exhaust pipe back pressure regulating device according to claim 1, characterized in that: One end of the connecting pipe (3) is also fitted with a connector (5) for docking, and one end of the connector (5) can be movably inserted into the docking hole (11) through which it passes.

3. The exhaust pipe back pressure regulating device according to claim 2, characterized in that: The end of the connector (5) facing away from the turntable (6) is also provided with a spring (4) for resetting. A fixing frame (2) for connection is provided between the connecting pipe (3) and the operating table (1). The spring (4) is sleeved on the connecting pipe (3), and one end of the spring (4) abuts against the fixing frame (2).

4. The exhaust pipe back pressure regulating device according to claim 2, characterized in that: The outer side of the connector (5) near the turntable (6) is provided with a chamfer (12), and the inner side of each mating hole (11) near the connector (5) is provided with a sealing gasket (13) for sealing.

5. The exhaust pipe back pressure regulating device according to claim 1, characterized in that: A plurality of external threaded joints (10) are welded to one side of the turntable (6), and the plurality of external threaded joints (10) are respectively connected to a plurality of mating holes (11). Each exhaust pipe body (7) has a connector (8) screwed onto the external threaded joint (10) at its end.

6. The exhaust pipe back pressure regulating device according to claim 1, characterized in that: The operating table (1) is also provided with a driving component for driving the turntable (6) to rotate. The driving component includes a motor (15) and a drive shaft (9) installed at the output end of the motor (15). One end of the drive shaft (9) is installed at the rotation axis of the turntable (6). The operating table (1) is provided with a mounting compartment (14) for accommodating the motor (15).

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