Tail pipe adapter pipe assembly

Abstract

A tail pipe adapter pipe assembly comprises a first connecting pipe assembly, a second connecting pipe assembly and a T-shaped pipe assembly. The first connecting pipe assembly comprises a first connecting pipe used for being connected with a first tail pipe of the exhaust pipe, a first reducer pipe, a first bent pipe, a corrugated pipe and a first outlet pipe. The second connecting pipe assembly comprises a second connecting pipe used for being connected with a second tail pipe of the exhaust pipe, a second reducer pipe, a second bent pipe and a second outlet pipe. The T-shaped pipe assembly comprises a first transverse pipe connected with the first outlet pipe, a second transverse pipe connected with the second outlet pipe and a vertical pipe connected with the first transverse pipe and the second transverse pipe. By means of the arrangement, tail gas flowing in from the first connecting pipe assembly and tail gas flowing in from the second connecting pipe assembly can be gathered through the vertical pipe, and the collection accuracy of particulate matter emissions and the tail gas collection efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tail pipe adapter pipe assembly and belongs to the field of engine exhaust testing. BACKGROUND

[0002] In the related art, there are schemes for analyzing engine exhaust through simulation, simulation and other means. However, in practice, in order to ensure that the requirements of emission regulations are met, emission tests are still an important verification means.

[0003] How to fully collect exhaust gas for road emission and laboratory emission tests to improve the accuracy of particulate matter emission collection and exhaust gas collection efficiency is a technical problem faced by technical personnel in the technical field. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a tail pipe adapter pipe assembly with improved structure.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a tail pipe adapter pipe assembly is used to collect exhaust gas of an exhaust pipe, and the tail pipe adapter pipe assembly comprises:

[0006] A first connecting pipe assembly comprises a first connecting pipe connected to a first tail pipe of the exhaust pipe, a first reducing pipe connected to the first connecting pipe, a first elbow pipe connected to the first reducing pipe, a corrugated pipe connected to the first elbow pipe, and a first outlet pipe connected to the corrugated pipe.

[0007] A second connecting pipe assembly comprises a second connecting pipe connected to a second tail pipe of the exhaust pipe, a second reducing pipe connected to the second connecting pipe, a second elbow pipe connected to the second reducing pipe, and a second outlet pipe connected to the second elbow pipe.

[0008] A T-shaped pipe assembly comprises a first cross pipe connected to the first outlet pipe, a second cross pipe connected to the second outlet pipe, and a vertical pipe connected to the first cross pipe and the second cross pipe.

[0009] As a further improved technical scheme of the utility model, the shape of the cross section of the first connecting pipe is the same as the shape of the cross section of the first tail pipe, and the shape of the cross section of the second connecting pipe is the same as the shape of the cross section of the second tail pipe.

[0010] As a further improved technical scheme of the utility model, the shape of the cross section of the first connecting pipe is elliptical, and the shape of the cross section of the second connecting pipe is elliptical.

[0011] As a further improved technical scheme of the present utility model, the first connecting pipe and the first reducing pipe are welded and fixed or integrally formed;

[0012] The first reducing pipe and the first elbow pipe are welded and fixed;

[0013] The first elbow pipe and one end of the corrugated pipe are welded and fixed;

[0014] The other end of the corrugated pipe and the first outlet pipe are welded and fixed.

[0015] As a further improved technical scheme of the present utility model, the second connecting pipe and the second reducing pipe are welded and fixed or integrally formed;

[0016] The second reducing pipe and the second elbow pipe are welded and fixed;

[0017] The second elbow pipe and the second outlet pipe are welded and fixed.

[0018] As a further improved technical scheme of the present utility model, the first horizontal pipe, the second horizontal pipe and the vertical pipe are located in the same plane.

[0019] As a further improved technical scheme of the present utility model, the first horizontal pipe and the first outlet pipe are welded and fixed, the second horizontal pipe and the second outlet pipe are welded and fixed, and the vertical pipe and the first horizontal pipe and the second horizontal pipe are welded and fixed.

[0020] As a further improved technical scheme of the present utility model, the first horizontal pipe and the second horizontal pipe are integrally formed, a round hole is formed at the joint of the first horizontal pipe and the second horizontal pipe, and the vertical pipe is at least partially inserted into the round hole.

[0021] As a further improved technical scheme of the present utility model, the vertical pipe collects the tail gas flowing from the first connecting pipe assembly and the second connecting pipe assembly.

[0022] As a further improved technical scheme of the present utility model, the first outlet pipe, the first horizontal pipe, the second horizontal pipe and the second outlet pipe are arranged in alignment; the first outlet pipe is perpendicular to the first connecting pipe; and the second outlet pipe is perpendicular to the second connecting pipe.

[0023] Compared with the prior art, the tail pipe adapter pipe assembly of the utility model includes a first connecting pipe assembly, a second connecting pipe assembly and a T-shaped pipe assembly. The first connecting pipe assembly includes a first connecting pipe connected with a first tail pipe of the exhaust pipe, a first reducing pipe connected with the first connecting pipe, a first elbow pipe connected with the first reducing pipe, a corrugated pipe connected with the first elbow pipe and a first outlet pipe connected with the corrugated pipe. The second connecting pipe assembly includes a second connecting pipe connected with a second tail pipe of the exhaust pipe, a second reducing pipe connected with the second connecting pipe, a second elbow pipe connected with the second reducing pipe and a second outlet pipe connected with the second elbow pipe. The T-shaped pipe assembly includes a first cross pipe connected with the first outlet pipe, a second cross pipe connected with the second outlet pipe and a vertical pipe connected with the first cross pipe and the second cross pipe. In this way, the exhaust gas flowing from the first connecting pipe assembly and the second connecting pipe assembly can be collected by means of the vertical pipe, thereby improving the accuracy of particulate matter emission collection and the exhaust gas collection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a perspective view of the tail pipe adapter pipe assembly of the utility model in one embodiment.

[0025] Figure 2 is a top view of Figure 1 .

[0026] Figure 3 is a rear view of Figure 1 .

[0027] Figure 4 is a right view of Figure 2 . DETAILED DESCRIPTION

[0028] The specific embodiments of the utility model will be described in detail below with reference to the drawings, in which if there are several specific embodiments, the features in these embodiments can be combined with each other without conflict. When the description refers to the drawings, the same numbers or symbols in different drawings represent the same or similar elements unless otherwise specified. The content described in the following exemplary specific embodiments does not represent all the embodiments of the utility model, but rather, they are only examples of the products consistent with the utility model as recited in the claims of the utility model.

[0029] The terms used in the utility model are only for the purpose of describing the specific embodiments, and are not intended to limit the protection scope of the utility model. It should be understood that the terms such as "first", "second" and the like used in the specification and claims of the utility model do not represent any order, quantity or importance, but are only used to distinguish the naming of the features.

[0030] Referring to Figures 1 to 4 The utility model discloses a tail pipe adapter pipe assembly 100 for collecting exhaust of exhaust pipe, the tail pipe adapter pipe assembly 100 includes first connecting pipe assembly 1, second connecting pipe assembly 2 and T pipe assembly 3.

[0031] In the embodiment shown in the utility model, the first connecting pipe assembly 1 includes the first connecting pipe 11 for connecting with the first tail pipe (not shown) of the exhaust pipe, the first reducing pipe 12 connected with the first connecting pipe 11, the first elbow pipe 13 connected with the first reducing pipe 12, the bellows 15 connected with the first elbow pipe 13 and the first outlet pipe 14 connected with the bellows 15.

[0032] The second connecting pipe assembly 2 includes the second connecting pipe 21 for connecting with the second tail pipe (not shown) of the exhaust pipe, the second reducing pipe 22 connected with the second connecting pipe 21, the second elbow pipe 23 connected with the second reducing pipe 22 and the second outlet pipe 24 connected with the second elbow pipe 23.

[0033] The T pipe assembly 3 includes the first cross pipe 31 connected with the first outlet pipe 14, the second cross pipe 32 connected with the second outlet pipe 24 and the vertical pipe 33 connected with the first cross pipe 31 and the second cross pipe 32.

[0034] The shape of the cross section of the first connecting pipe 11 is the same as the shape of the cross section of the first tail pipe, and the shape of the cross section of the second connecting pipe 21 is the same as the shape of the cross section of the second tail pipe. Specifically, in the embodiment shown in the utility model, the shape of the cross section of the first connecting pipe 11 is oval, and the shape of the cross section of the second connecting pipe 21 is oval.

[0035] The shape of the cross section of the first connecting pipe 11 is the same as the shape of the cross section of the first tail pipe, and the shape of the cross section of the second connecting pipe 21 is the same as the shape of the cross section of the second tail pipe. Specifically, in the embodiment shown in the utility model, the shape of the cross section of the first connecting pipe 11 is oval, and the shape of the cross section of the second connecting pipe 21 is oval.

[0036] Specifically, in some embodiments of the present application, the first connecting pipe 11 is welded and fixed with the first reducing pipe 12 or integrally formed. The first reducing pipe 12 is reduced in diameter along the flow direction of the airflow. In the embodiment shown in the present application, the first reducing pipe 12 is welded and fixed with the first elbow pipe 13; the first elbow pipe 13 is welded and fixed with one end of the corrugated pipe 15; the other end of the corrugated pipe 15 is welded and fixed with the first outlet pipe 14. By arranging the corrugated pipe 15, on the one hand, it can play a role in reducing vibration and noise, compensating for thermal expansion and contraction deformation, protecting other pipelines of the exhaust system, etc.; on the other hand, it can realize adjustment of multiple degrees of freedom, which is convenient for actual operation and installation.

[0037] The second connecting pipe 21 is welded and fixed with the second reducing pipe 22 or integrally formed. The second reducing pipe 22 is reduced in diameter along the flow direction of the airflow. In the embodiment shown in the present application, the second reducing pipe 22 is welded and fixed with the second elbow pipe 23; the second elbow pipe 23 is welded and fixed with the second outlet pipe 24.

[0038] In the embodiment shown in the present application, the first horizontal pipe 31, the second horizontal pipe 32 and the vertical pipe 33 are located in the same plane. The first horizontal pipe 31 is welded and fixed with the first outlet pipe 14, the second horizontal pipe 32 is welded and fixed with the second outlet pipe 24, and the vertical pipe 33 is welded and fixed with the first horizontal pipe 31 and the second horizontal pipe 32. Specifically, in an embodiment of the present application, the first horizontal pipe 31 and the second horizontal pipe 32 are integrally formed, a circular hole (not shown) is arranged at the joint of the first horizontal pipe 31 and the second horizontal pipe 32, and the vertical pipe 33 is at least partially inserted into the circular hole, so as to facilitate welding on the periphery of the vertical pipe 33. The vertical pipe 33 collects the exhaust gas flowing from the first connecting pipe assembly 1 and the second connecting pipe assembly 2, which is used for road emission and laboratory emission test, thereby improving the accuracy of particulate matter emission collection and the efficiency of exhaust gas collection.

[0039] In the embodiment shown in the present application, the first connecting pipe assembly 1 and the second connecting pipe assembly 2 are both substantially L-shaped. The first outlet pipe 14, the first horizontal pipe 31, the second horizontal pipe 32 and the second outlet pipe 24 are arranged in alignment; the first outlet pipe 14 is perpendicular to the first connecting pipe 11; and the second outlet pipe 24 is perpendicular to the second connecting pipe 21.

[0040] The above examples are only used to illustrate the technical solutions described in the utility model and do not limit the utility model. The understanding of the specification should be based on the technical personnel in the technical field. Although the utility model has been described in detail in the specification with reference to the above examples, the ordinary technical personnel in the field should understand that the technical personnel in the field can still modify or equivalently replace the utility model, and all technical solutions and improvements that do not deviate from the spirit and scope of the utility model should be covered in the scope of the claims of the utility model.

Claims

1. A tailpipe adapter assembly for collecting exhaust gas from an exhaust pipe, characterized in that: The tailpipe adapter pipe assembly comprises: a first connecting pipe assembly comprising a first connecting pipe for connecting with a first tailpipe of the exhaust pipe, a first reducing pipe connected with the first connecting pipe, a first elbow pipe connected with the first reducing pipe, a corrugated pipe connected with the first elbow pipe, and a first outlet pipe connected with the corrugated pipe; a second connecting pipe assembly comprising a second connecting pipe for connecting with a second tailpipe of the exhaust pipe, a second reducing pipe connected with the second connecting pipe, a second elbow pipe connected with the second reducing pipe, and a second outlet pipe connected with the second elbow pipe; and a T-shaped pipe assembly comprising a first horizontal pipe connected with the first outlet pipe, a second horizontal pipe connected with the second outlet pipe, and a vertical pipe connected with the first horizontal pipe and the second horizontal pipe.

2. The tailpiece adapter tube assembly of claim 1, wherein: The first connecting pipe has the same cross-sectional shape as the first tailpipe, and the second connecting pipe has the same cross-sectional shape as the second tailpipe.

3. The tailpiece adapter tube assembly of claim 1, wherein: The first connecting pipe has an elliptical cross-section, and the second connecting pipe has an elliptical cross-section.

4. The tailpiece adapter tube assembly of claim 1, wherein: The first connecting pipe is welded with the first reducing pipe or integrally formed with the first reducing pipe; The first reducing pipe is welded with the first elbow pipe; The first elbow pipe is welded with one end of the corrugated pipe; The other end of the corrugated pipe is welded with the first outlet pipe.

5. The tailpiece adapter tube assembly of claim 1, wherein: The second connecting pipe is welded with the second reducing pipe or integrally formed with the second reducing pipe; The second reducing pipe is welded with the second elbow pipe; The second elbow pipe is welded with the second outlet pipe.

6. The tailpiece adapter tube assembly of claim 1, wherein: The first horizontal pipe, the second horizontal pipe, and the vertical pipe are located in the same plane.

7. The tailpiece adapter tube assembly of claim 1, wherein: The first horizontal pipe is welded with the first outlet pipe, the second horizontal pipe is welded with the second outlet pipe, and the vertical pipe is welded with the first horizontal pipe and the second horizontal pipe.

8. The tailpiece adapter tube assembly of claim 7, wherein: The first horizontal pipe and the second horizontal pipe are integrally formed, a circular hole is formed at the joint of the first horizontal pipe and the second horizontal pipe, and the vertical pipe is at least partially inserted into the circular hole.

9. The tailpiece adapter tube assembly of claim 1, wherein: The vertical pipe collects exhaust gas from the first connecting pipe assembly and from the second connecting pipe assembly.

10. The tailpiece adapter tube assembly of claim 1, wherein: The first outlet pipe, the first horizontal pipe, the second horizontal pipe, and the second outlet pipe are arranged in alignment, the first outlet pipe is perpendicular to the first connecting pipe, and the second outlet pipe is perpendicular to the second connecting pipe.

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