CN216077292U

CN216077292U - Engine exhaust pipe rainproof device

Info

Publication number: CN216077292U
Application number: CN202122028080.XU
Authority: CN
Inventors: 吕学军; 程小松
Original assignee: Sumec Machinery & Electric Co ltd; Jiangsu Sumec Machiney & Electric Technology Co ltd
Current assignee: Sumec Machinery & Electric Co ltd; Jiangsu Sumec Machiney & Electric Technology Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-18
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a rainproof device for an engine exhaust pipe, which comprises a silencer and an exhaust pipe fixed at the top of the silencer, wherein a rainproof mechanism is arranged on one side of the top of the exhaust pipe; the mounting ring outside the blast pipe is located including the cover to rain-proof mechanism, mounting ring one side opening part is provided with the locking bolt that can tighten up the mounting ring, locking bolt's one side fixedly connected with connecting plate is kept away from to the mounting ring, the inside rotatory rotating bolt that is provided with of revolution mechanic, automatic the washing away of rain-proof cap through the exhaust air current of engine, it is rotatory to drive revolution mechanic and use the rotating bolt as the centre of a circle, utilize stop bolt to rotate along with revolution mechanic, when diesel generating set stop work, rain-proof cap falls the position because self gravity descends to cover the blast pipe and play rain-proof effect, whole rain-proof cap and the clearance between the blast pipe are enough little, when the engine stop work, also can effectually place rainwater and debris and get into in the blast pipe.

Description

Engine exhaust pipe rainproof device

Technical Field

The utility model belongs to the technical field of engine exhaust pipe rainproof, and particularly relates to a rainproof device for an engine exhaust pipe.

Background

The diesel engine is an engine which burns diesel to obtain energy and release the energy, and has the advantages of high power and good economic performance. The working process of a diesel engine is much the same as that of a gasoline engine, and each working cycle also goes through four strokes of intake, compression, power and exhaust.

Present blast pipe rain insensitive device is at three supports of the terminal welding of diesel engine blast pipe, then welds a middle part on the support and exceeds all around, and the bowl type cap of similar eave plays rainproof effect, and this kind of design has certain distance because the edge of cap and blast pipe, and it is relatively poor to rain-proof effect when the unit does not operate, and on the other hand rain insensitive device is welding formula body structure with the blast pipe, is unfavorable for changing. In addition, the rain-proof device cannot be freely turned over, so that exhaust back pressure of the engine is increased, and the service life and power output of the engine are influenced.

Disclosure of Invention

The utility model aims to provide a rainproof device for an engine exhaust pipe, which aims to solve the problem that the rainproof effect is poor when a unit does not operate because the edge of a cap is a certain distance away from the exhaust pipe, and the rainproof device and the exhaust pipe are of a welded integral structure and are not easy to replace. In addition, the rainproof device cannot be freely turned over, so that the exhaust back pressure of the engine is increased, and the service life and the power output of the engine are influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: a rain-proof device for an engine exhaust pipe comprises a silencer and an exhaust pipe fixed at the top of the silencer, wherein a rain-proof mechanism is arranged on one side of the top of the exhaust pipe;

the mounting ring in the blast pipe outside is located including the cover to rain-proof mechanism, mounting ring one side opening part is provided with the locking bolt that can tighten up the mounting ring, locking bolt's one side fixedly connected with connecting plate is kept away from to the mounting ring, the one end outside that the mounting ring was kept away from to the connecting plate is provided with revolution mechanic, the inside rotatory being provided with of revolution mechanic rotating bolt, the equal threaded connection in revolution mechanic both ends has first lock nut, two first lock nut sets up respectively in the revolution mechanic outside, revolution mechanic one side is provided with the stop gear who restricts revolution mechanic.

Preferably, the limiting mechanism comprises a limiting bolt which is arranged on the inner side of the rotating structure and is arranged on the rear side of the rotating bolt, and two ends of the limiting bolt rotate to extend out of two sides of the rotating structure.

Preferably, the two ends of the limit bolt extending out of the two sides of the rotating structure are in threaded connection with second locking nuts, and the limit bolt is fixedly connected with the rotating structure through the second locking nuts.

Preferably, the top of the exhaust pipe is provided with a rain hat for closing an outlet at the top of the exhaust pipe, and the rain hat is fixedly connected with the bottom of one end of the rotating structure.

Preferably, the bottom of the rotating structure is processed into an arc shape, and the radius of the arc shape at the bottom of the rotating structure is smaller than the radius of a circle of the limiting bolt rotating by taking the rotating bolt as the center of the circle.

The utility model has the technical effects and advantages that:

1. the rain-proof cap is automatically flushed by the exhaust airflow of the engine to drive the rotating structure to rotate by taking the rotating bolt as the center of a circle, the limiting bolt rotates along with the rotating structure, because the arrangement of the limit bolt can determine the opening angle of the rain hat, when the diesel generator set stops working, the rain hat falls down because of the self gravity, thereby covering the exhaust pipe to achieve the rainproof effect, the gap between the whole rainproof hat and the exhaust pipe is small enough, when the engine stops running, rainwater and sundries can be effectively placed into the exhaust pipe, on the other hand, the rain-proof device and the exhaust pipe are not integrated into a whole, and are in an assembly relationship, the exhaust pipe does not need to be replaced when the rain-proof device is replaced, so that the use cost is saved, secondly, the rain-proof device and the exhaust pipe can be separately produced in batch, and the exhaust rain-proof device can be used as long as the caliber of the exhaust pipe is the same;

2. the problem of rain-proof function can't really be played to the unit during stop work among the solution present scheme, and the rain insensitive device of solution current scheme can't freely overturn and lead to diesel engine exhaust backpressure too high, influences unit power and life's problem, and rain insensitive device and blast pipe and the integrative structural style of muffler in the solution current scheme need change more parts when rain insensitive device damages, the higher problem of cost.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1. a locking bolt; 2. rain-proof caps; 3. a mounting ring; 4. a first locking nut; 5. a second locking nut; 6. a rotating structure; 7. an exhaust pipe; 8. a muffler; 9. a connecting plate; 10. a limit bolt; 11. the bolt is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a rainproof device for an engine exhaust pipe, which comprises a silencer 8 and an exhaust pipe 7 fixed at the top of the silencer 8, wherein a rainproof mechanism is arranged on one side of the top of the exhaust pipe 7;

the rainproof mechanism comprises a mounting ring 3 sleeved outside an exhaust pipe 7, a locking bolt 1 capable of tightly tightening the mounting ring 3 is arranged at an opening on one side of the mounting ring 3, the mounting ring 3 and the locking bolt 1 are arranged, the fixing between the mounting ring 3 and the exhaust pipe 7 can be conveniently disassembled, the applicability of the rainproof mechanism can be improved, a connecting plate 9 is fixedly connected to one side of the mounting ring 3, which is far away from the locking bolt 1, a rotating structure 6 is arranged on the outer side of one end of the connecting plate 9, which is far away from the mounting ring 3, a rotating bolt 11 is rotatably arranged inside the rotating structure 6, first locking nuts 4 are respectively in threaded connection with two ends of the rotating bolt 11, the two first locking nuts 4 are respectively arranged outside the rotating structure 6, and a limiting mechanism for limiting the rotating angle of the rotating structure 6 is arranged on one side of the rotating structure 6.

Specifically, stop gear is including setting up in 6 inboards of revolution mechanic and locating the stop bolt 10 of 11 rear sides of revolution mechanic, and the rotatory 6 both sides of revolution mechanic that extend in stop bolt 10 both ends utilize stop bolt 10 to rotate along with revolution mechanic 6, because the opening angle of rain-proof cap 2 can be decided in the setting of stop bolt 10, when diesel generating set stop work, rain-proof cap 2 because self gravity descends the position to cover blast pipe 7 and play rain-proof effect.

Specifically, the two ends of the limit bolt 10 extending out of the two sides of the rotating structure 6 are in threaded connection with second locking nuts 5, and the limit bolt 10 is fixedly connected with the rotating structure 6 through the second locking nuts 5.

Specifically, 7 tops of blast pipe are provided with the rain-proof cap 2 of its top export of closed, rain-

proof cap

2 and 6 one end bottom fixed connection of revolution mechanic.

Specifically, the bottom of the rotating structure 6 is processed into an arc shape, and the arc radius of the bottom of the rotating structure 6 is smaller than the circular radius of the limiting bolt 10 rotating by taking the rotating bolt 11 as the center of a circle.

The working principle is as follows: when the diesel generator set normally works, the rain hat 2 is automatically flushed away by exhaust airflow of an engine, at the moment, the rain hat 2 is blown away, meanwhile, the rotating structure 6 is driven to rotate around the rotating bolt 11, when the diesel generator set rotates to a certain angle, the limiting bolt 10 is arranged, the limiting bolt 10 rotates along with the rotating structure 6, the opening angle of the rain hat 2 can be determined due to the arrangement of the limiting bolt 10, when the diesel generator set stops working, the rain hat 2 falls due to self gravity, so that the exhaust pipe 7 is covered to achieve a rain-proof effect, the gap between the whole rain hat 2 and the exhaust pipe 7 is small enough, when the engine stops working, rainwater and sundries can be effectively placed into the exhaust pipe 7, on the other hand, the rain-proof device and the exhaust pipe 7 are of non-integral structure, and in an assembly relation, the exhaust pipe does not need to be replaced when the rain-proof device is replaced, the use cost is saved. Secondly, the rain-proof device and the exhaust pipe 7 can be separately produced in batch, and the exhaust rain-proof device can be used as long as the caliber of the exhaust pipe is the same;

as shown in fig. 1, through the arrangement of the mounting ring 3 and the locking bolt 1, the fixing between the mounting ring 3 and the exhaust pipe 7 can be conveniently disassembled, the applicability of the utility model can be improved, and the problem that the unit cannot really play a rainproof function when stopping working in the existing scheme is solved;

the problem that the power and the service life of a unit are influenced due to the fact that the exhaust back pressure of a diesel engine is too high because a rainproof device cannot be freely turned in the conventional scheme is solved;

the problem of rain insensitive device and

blast pipe

7 and 8 integrative structural style of muffler among the current scheme, when rain insensitive device damaged, need change more parts, the cost is higher is solved.

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 or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an engine vent-pipe rain insensitive device, includes muffler (8) and fixes blast pipe (7) at muffler (8) top, its characterized in that: a rainproof mechanism is arranged on one side of the top of the exhaust pipe (7);

the rain-proof mechanism locates collar (3) in blast pipe (7) outside including the cover, collar (3) one side opening part is provided with locking bolt (1) that can tighten up collar (3), one side fixedly connected with connecting plate (9) of locking bolt (1) are kept away from in collar (3), the one end outside that collar (3) were kept away from in connecting plate (9) is provided with revolution mechanic (6), revolution mechanic (6) inside rotatory be provided with swivel bolt (11), the equal threaded connection in swivel bolt (11) both ends has first locking nut (4), two first locking nut (4) set up respectively in revolution mechanic (6) outside, revolution mechanic (6) one side is provided with the stop gear who restricts revolution mechanic (6) rotation angle.

2. The engine exhaust pipe rainproof device according to claim 1, wherein: the limiting mechanism comprises a limiting bolt (10) which is arranged on the inner side of the rotating structure (6) and is arranged on the rear side of the rotating bolt (11), and two ends of the limiting bolt (10) rotate to extend out of two sides of the rotating structure (6).

3. The engine exhaust pipe rainproof device according to claim 2, wherein: the two ends of the limit bolt (10) extending out of the two sides of the rotating structure (6) are in threaded connection with second locking nuts (5), and the limit bolt (10) is fixedly connected with the rotating structure (6) through the second locking nuts (5).

4. The engine exhaust pipe rainproof device according to claim 1, wherein: the top of the exhaust pipe (7) is provided with a rain-proof cap (2) for closing the top outlet of the exhaust pipe, and the rain-proof cap (2) is fixedly connected with the bottom of one end of the rotating structure (6).

5. The engine exhaust pipe rainproof device according to claim 1, wherein: the bottom of the rotating structure (6) is processed into an arc shape.

6. The engine exhaust pipe rainproof device according to claim 1, wherein: the arc radius of the bottom of the rotating structure (6) is smaller than the circular radius of the limiting bolt (10) rotating by taking the rotating bolt (11) as the circle center.