CN209894486U

CN209894486U - Exhaust device for engine bench experiment

Info

Publication number: CN209894486U
Application number: CN201920739383.2U
Authority: CN
Inventors: 兰云飞; 李启林; 孔德慧
Original assignee: Nanjing Ruihaoxiang Electromechanical Equipment Co Ltd
Current assignee: Nanjing Ruihaoxiang Electromechanical Equipment Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-01-03
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses an exhaust device for engine bench based experiments, which comprises a corrugated pipe, wherein a fixed disc is arranged at the middle part of the top end of the corrugated pipe, a connecting pipe is welded at the middle part of the top end of the fixed disc, a fixed column is arranged at the edge part of the top end of the fixed disc, a limit groove is arranged at the middle part of the inner wall of the fixed column, a limit block is arranged at the middle part of the inner wall of the limit groove, a fixed block is welded at the bottom part of one side of the fixed column, and a lead screw is connected between the limit block and the fixed block, so that the structure of the exhaust pipe is scientific and reasonable, the use is safe and convenient, the exhaust pipe and the exhaust device can be connected more stably through the limit groove, the limit block, the lead screw, the, further, engines of different models can be mounted.

Description

Exhaust device for engine bench experiment

Technical Field

The utility model relates to an engine exhaust technical field specifically is an exhaust apparatus based on engine bench experiments are used.

Background

Most of the existing exhaust devices for engine bench experiments are positioned and connected by adopting a fixed locking piece and a fixed part, for example, a fixed flange plate, a sleeve and the like can only lock static locking with basically fixed relative positions, and when an engine runs, steam and carbon dioxide can be generated and can be discharged along an exhaust pipe;

however, the diameters of the exhaust pipes of the existing engine stations are different due to the fact that the models of the existing engine stations are different, and therefore the exhaust device with the same diameter can only be applied to the engine with the exhaust pipes with the same diameter, and the application range of the exhaust device is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an exhaust apparatus for based on engine bench experiments can effectively solve current engine platform that proposes in the above-mentioned background art because the model is inconsistent, the diameter that leads to its blast pipe is different, and then makes the exhaust apparatus of same diameter can only be applicable to the engine of the blast pipe of same diameter, has reduced exhaust apparatus's application scope's problem.

In order to achieve the above object, the utility model provides a following technical scheme: an exhaust device for an engine bench based experiment comprises a corrugated pipe, wherein a fixed disc is installed in the middle of the top end of the corrugated pipe, a connecting pipe is welded in the middle of the top end of the fixed disc, a fixed column is installed at the edge of the top end of the fixed disc, a limiting groove is formed in the middle of the inner wall of the fixed column, a limiting block is arranged in the middle of the inner wall of the limiting groove, a fixed block is welded at the bottom of one side of the fixed column, and a;

the bellows bottom surface is impartial apart from having seted up the spout, spout inner wall middle part is provided with the slide bar, the welding of slide bar bottom limit portion has the iron sheet, iron sheet inner wall middle part bonds has sealed the pad, iron sheet surface limit portion can dismantle through the thread engagement and be connected with fixing bolt.

Preferably, the connecting pipe passes through the blast pipe and is connected with the engine platform, the shape of connecting pipe is hollow cone type, connecting pipe top diameter is less than the bottom diameter.

Preferably, the screw has been seted up to the equal equidistance in fixed disk top limit portion, and screw inner wall middle part can be dismantled through threaded engagement and be connected with the screw, pass through screwed connection between fixed disk and the bellows.

The bellows bottom middle part has been seted up the circular slot, circular slot inner wall middle part is provided with hollow round platform, hollow round platform bottom limit portion is connected with the return bend, return bend bottom limit portion is connected with the ring flange, ring flange bottom mid-mounting has the three way catalyst converter, right angle fixed plate, two are all installed to three way catalyst converter bottom both sides install the rubber water tank between the right angle fixed plate.

Preferably, the right-angle fixing plate is connected with the three-way catalytic converter through a screw, anti-slip lines are arranged on the edge part of the top end of the screw at equal intervals, and the bent pipe is made of iron.

Preferably, an internal thread is formed in the edge of the inner wall of the circular groove, an external thread is formed in the edge of the outer surface of the hollow circular truncated cone, and the circular groove and the hollow circular truncated cone are connected through the internal thread and the external thread.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. through spacing groove, stopper, fixed block, lead screw, connecting pipe and fixed disk, can make blast pipe and exhaust apparatus connect more stable, prevent to take place the phenomenon that drops between blast pipe and the exhaust apparatus, because of the connecting pipe top diameter is less than the bottom diameter, and then can install the blast pipe of different diameters, further can install the engine of different models.

2. Through fixed column, spout, slide bar, iron sheet, fixing bolt, circular slot and hollow round platform, can be convenient for the installation and the dismantlement of bellows and return bend, reduced the installation and the dismantlement degree of difficulty of bellows and return bend, through iron sheet and sealed pad, can seal bellows and return bend junction, prevent the phenomenon that bellows and return bend junction from taking place to leak gas.

3. Through right angle fixed plate, rubber water tank, screw rod and three way catalyst converter, when the operation engine winter, the engine produced vapor and carbon dioxide, inside vapor discharged the return bend from the engine exhaust pipe, met refrigerated return bend, at the inside solidification one-tenth water stain of return bend, then discharge along three way catalyst converter, and through rubber water tank, can retrieve water stain, prevent near the water stain drippage engine rack, guaranteed engine rack cleanness on every side.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the mounting structure of the screw rod of the present invention;

FIG. 3 is a schematic view of the mounting structure of the hollow round table of the present invention;

reference numbers in the figures: 1. a bellows; 2. fixing the disc; 3. a connecting pipe; 4. fixing a column; 5. a chute; 6. a slide bar; 7. iron sheets; 8. fixing the bolt; 9. a limiting groove; 10. a limiting block; 11. a fixed block; 12. a screw rod; 13. bending the pipe; 14. a circular groove; 15. a hollow round table; 16. a gasket; 17. a flange plate; 18. a three-way catalyst; 19. a right-angle fixing plate; 20. a rubber water tank; 21. a screw; 22. and (4) exhausting the gas.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-3, the utility model provides a technical scheme, an exhaust device for engine bench based experiments, including a corrugated pipe 1, a fixed disk 2 is installed in the middle of the top end of the corrugated pipe 1, screw holes are equally spaced at the top end of the fixed disk 2, and the middle part of the inner wall of the screw hole is detachably connected with screws through threaded engagement, the fixed disk 2 is connected with the corrugated pipe 1 through screws, which can facilitate the installation of the fixed disk 2 and the disassembly of the fixed disk 2, thereby reducing the disassembly difficulty of the fixed disk 2, a connecting pipe 3 is welded in the middle of the top end of the fixed disk 2, the connecting pipe 3 is connected with an engine bench through an exhaust pipe 22, the connecting pipe 3 is in a hollow cone shape, the top diameter of the connecting pipe 3 is smaller than the bottom diameter, the exhaust pipes 22 with different diameters can be connected, the, limiting groove 9 has been seted up at fixed column 4 inner wall middle part, and limiting groove 9 inner wall middle part is provided with stopper 10, and fixed block 11 has been welded to fixed column 4 one side bottom, is connected with lead screw 12 between stopper 10 and the fixed block 11.

The equal distance of 1 bottom surface of bellows is seted up

spout

5, and 5 inner walls middle parts of spout are provided with slide bar 6, and 6 bottom edge portions of slide bar have welded

iron sheet

7, and 7 inner walls middle parts of iron sheet bond have sealed the

pad

16, and 7 outer surface edge portions of iron sheet are through threaded engagement detachable connection with fixing bolt 8.

The middle part of the bottom end of the corrugated pipe 1 is provided with a circular groove 14, the edge part of the inner wall of the circular groove 14 is provided with an internal thread, the edge part of the outer surface of the hollow circular truncated cone 15 is provided with an external thread, the circular groove 14 is connected with the hollow circular truncated cone 15 through the internal thread and the external thread, so that the connection between the bent pipe 13 and the corrugated pipe 1 is convenient, the connection difficulty between the bent pipe 13 and the corrugated pipe 1 is reduced, the middle part of the inner wall of the circular groove 14 is provided with the hollow circular truncated cone 15, the edge part of the bottom end of the hollow circular truncated cone 15 is connected with the bent pipe 13, the edge part of the bottom end of the bent pipe 13 is connected with a flange 17, the middle part of the bottom end of the flange 17 is provided with a three-way catalyst 18, both sides of the bottom end of the three-way catalyst, a rubber water tank 20 is arranged between the two right-angle fixing plates 19.

The utility model discloses a theory of operation and use flow: before the exhaust device for the engine bench experiment is actually used, the elbow 13 is rotated, the hollow circular truncated cone 15 enters the circular groove 14, the corrugated pipe 1 and the elbow 13 are spliced, then the slide rod 6 is moved, the slide rod 6 drives the iron sheet 7 to move, the iron sheet 7 drives the sealing gasket 16 to move, the sealing gasket 16 enters the joint of the corrugated pipe 1 and the elbow 13, the joint of the corrugated pipe 1 and the elbow 13 is sealed, the phenomenon of air leakage at the joint of the corrugated pipe 1 and the elbow 13 is prevented, then the fixing bolt 8 is rotated, the iron sheet 7 and the elbow 13 are fixed, the corrugated pipe 1 and the elbow 13 can be conveniently installed and detached, and the difficulty in installing and detaching the corrugated pipe 1 and the elbow 13 is reduced;

then the fixed disc 2 and the corrugated pipe 1 are installed, then the exhaust pipe 22 and the engine platform are fixedly installed, then the exhaust pipe 22 is put in the middle of the connecting pipe 3, then the connecting pipe 3 is rotated to make the limit block 10 at the edge of the connecting pipe 3 coincide with the fixing piece at the edge of the exhaust pipe 22, then the screw rod 12 is rotated, the screw rod 12 drives the limiting block 10 to move along the limiting groove 9, so that the limiting block 10 and the exhaust pipe 22 are overlapped, then, the exhaust pipe 22 is moved along the connection pipe 3, and when the exhaust pipe 22 and the connection pipe 3 are in a superposed state, the screw rod 12 stops rotating, so that the connection between the exhaust pipe 22 and the exhaust device is more stable, the phenomenon that the exhaust pipe 22 and the exhaust device fall off is prevented, because the diameter of the top end of the connecting pipe 3 is smaller than that of the bottom end, the exhaust pipes 22 with different diameters can be further installed, and engines with different models can be further installed;

when the engine is operated in winter, steam and carbon dioxide can be generated when the engine is operated, steam can form water stain in the return bend 13 inside, water stain enters into the three way catalyst converter 18 inside along the return bend 13, discharge from the three way catalyst converter 18, discharged water stain enters into inside the rubber water tank 20, thereby retrieve engine discharged water stain, prevent that water stain from dripping near the engine rack, the cleanness around the engine rack has been guaranteed, and when the engine is operated in summer, steam and carbon dioxide can be generated when the engine is operated, steam and carbon dioxide are directly discharged from the three way catalyst converter 18.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an exhaust apparatus for based on engine bench experiments, includes bellows (1), its characterized in that: the corrugated pipe is characterized in that a fixed disc (2) is mounted in the middle of the top end of the corrugated pipe (1), a connecting pipe (3) is welded in the middle of the top end of the fixed disc (2), a fixed column (4) is mounted at the edge of the top end of the fixed disc (2), a limiting groove (9) is formed in the middle of the inner wall of the fixed column (4), a limiting block (10) is arranged in the middle of the inner wall of the limiting groove (9), a fixed block (11) is welded at the bottom of one side of the fixed column (4), and a lead;

the bellows (1) bottom surface equal equidistance has been seted up spout (5), spout (5) inner wall middle part is provided with slide bar (6), the welding of slide bar (6) bottom limit portion has iron sheet (7), iron sheet (7) inner wall middle part bonds has sealed pad (16), iron sheet (7) surface limit portion can dismantle through thread engagement and be connected with fixing bolt (8).

2. The exhaust device for the engine bench based experiment as set forth in claim 1, wherein: the connecting pipe (3) is connected with the engine platform through the exhaust pipe (22), the connecting pipe (3) is in a hollow conical shape, and the diameter of the top end of the connecting pipe (3) is smaller than that of the bottom end of the connecting pipe.

3. The exhaust device for the engine bench based experiment as set forth in claim 1, wherein: the screw has been seted up to equal equidistance in fixed disk (2) top limit portion, and screw inner wall middle part can be dismantled through thread engagement and be connected with the screw, pass through the screw connection between fixed disk (2) and bellows (1).

4. The exhaust device for the engine bench based experiment as set forth in claim 1, wherein: circular slot (14) have been seted up at bellows (1) bottom middle part, circular slot (14) inner wall middle part is provided with hollow round platform (15), hollow round platform (15) bottom limit portion is connected with return bend (13), return bend (13) bottom limit portion is connected with ring flange (17), ring flange (17) bottom mid-mounting has three way catalyst converter (18), right angle fixed plate (19), two are all installed to three way catalyst converter (18) bottom both sides install rubber water tank (20) between right angle fixed plate (19).

5. The exhaust device for the engine bench based experiment according to claim 4, wherein: the right angle fixed plate (19) is connected with the three-way catalyst (18) through a screw rod (21), anti-slip patterns are arranged on the top edge of the screw rod (21) at equal intervals, and the elbow (13) is made of iron.

6. The exhaust device for the engine bench based experiment according to claim 4, wherein: the inner wall edge of the circular groove (14) is provided with an internal thread, the outer surface edge of the hollow circular truncated cone (15) is provided with an external thread, and the circular groove (14) and the hollow circular truncated cone (15) are connected through the internal thread and the external thread.