CN216429746U - Three-section removable exhaust pipe for internal combustion engines - Google Patents

Abstract

The utility model relates to the technical field of exhaust pipes, in particular to a three-section detachable exhaust pipe for an internal combustion engine, which comprises a protective sleeve, wherein the two ends of the protective sleeve are clamped and connected with a connecting piece, one side of the surface edge of the connecting piece is provided with a screw rod, the other side of the surface edge of the connecting piece is provided with a fixed rod, one end of the fixed rod is fixedly provided with a sleeve, the sleeve is internally and fixedly provided with a pressure sensor, the protective sleeve is internally provided with a three-way catalyst, the two ends of the connecting piece are connected with a connecting pipe, the screw rod is separated from the sleeve by rotating the screw rod through a spanner, the pressure sensor senses pressure reduction at the moment, an alarm is given through a vehicle-mounted alarm, the connecting piece is disassembled to separate a catalyst clamping part from the protective sleeve, a pipeline clamping part is separated from one end of the connecting pipe, the protective sleeve is removed at the moment, the three-way catalyst can be detached, and the replacement and the disassembly are convenient, and has an anti-theft function.

Description

Three-section removable exhaust pipe for internal combustion engines

technical field

The utility model relates to the technical field of exhaust pipes, in particular to a three-section detachable exhaust pipe used for internal combustion engines.

Background technique

An internal combustion engine is a power machine, which is a heat engine that burns fuel inside the machine and directly converts the heat energy it releases into power. Internal combustion engines are mainly divided into diesel engines and gasoline engines according to different energy sources, which are widely used in transportation vehicles.

A three-way catalytic converter is generally installed in the existing internal gas exhaust pipe to purify the exhaust gas, but the vehicle is generally driven in the city, and the three-way catalytic converter will be blocked after long-term use, but the existing exhaust pipe is generally full. If it is sealed, it needs to be cut to take out the three-way catalytic converter, which is very inconvenient. If it is fixed by simple bolts, the safety is low and it is easy to be stolen. Therefore, a three-section detachable exhaust pipe for internal combustion engines is required to solve the above problems. to improve.

Utility model content

The purpose of the present invention is to provide a three-section detachable exhaust pipe for an internal combustion engine, so as to solve the above-mentioned problems in the background art.

To achieve the above object, the utility model provides the following technical solutions:

A three-section detachable exhaust pipe for an internal combustion engine, including a protective cover, the two ends of the protective cover are snap-connected and provided with connecting pieces, the surface edge of the connecting piece on one side is provided with a screw rod, and the connecting piece on the other side is provided with a screw. A fixing rod is installed on the edge of the surface of the piece, a sleeve is fixed at one end of the fixing rod, a pressure sensor is fixed inside the sleeve, a three-way catalytic converter is arranged inside the protective sleeve, and two ends of the connecting piece are connected with a There are connecting pipes.

As a preferred solution of the present invention, several mounting blocks are fixed on the surface edges of the connecting pieces on both sides, a screw mounting hole is provided inside the mounting block on one side, and the mounting block on the other side is fixedly connected with the fixing rod.

As a preferred solution of the present invention, the pressure sensor is a HZ-pull pressure force measuring sensor, and the pressure sensor is electrically connected to the vehicle alarm.

As a preferred solution of the present invention, the screw and the sleeve are threadedly connected.

As a preferred solution of the present invention, one side surface of the connecting piece is fixedly provided with a catalytic converter clamping part, the catalytic converter clamping part is arranged in a ring shape, and both ends of the protective sleeve are provided with a catalytic converter clamping part adapted to the catalytic converter clamping part. A card slot, and a sealing ring is arranged inside the card slot.

As a preferred solution of the present invention, the other side surface of the connecting piece is fixedly provided with a pipe clamping part, the cross section of the pipe clamping part is provided with a concave groove, and one end of the connecting pipe is provided with a butt joint adapted to the pipe clamping part , and a sealing ring is provided on the surface of the joint.

Compared with the prior art, the beneficial effects of the present utility model are:

1. In the present utility model, the screw is rotated by a wrench to make the screw disengage from the inside of the sleeve. At this time, the pressure sensor feels that the pressure decreases, and the vehicle alarm is used to give an alarm, and the lower connector is removed to separate the catalytic converter from the protective sleeve. The pipe clamping part is disengaged from one end of the connecting pipe, and the three-way catalytic converter can be disassembled by removing the protective cover at this time, which is convenient for replacement and disassembly, and has the anti-theft function.

Description of drawings

Fig. 1 is the overall three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the overall internal structure schematic diagram of the utility model;

FIG. 3 is a schematic diagram of an enlarged structure of the present invention.

In the figure: 1. Connecting pipe; 2. Pipe clipping part; 3. Connecting piece; 4. Catalyst clipping part; 5. Three-way catalytic converter; 6. Protective sleeve; 7. Screw; 8. Pressure sensor; 9 , Sleeve; 10. Fixed rod.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. The embodiments in the utility model, and all other embodiments obtained by those of ordinary skill in the art without creative work, fall within the protection scope of the present utility model.

In order to facilitate the understanding of the present invention, a more comprehensive description of the present invention will be made below with reference to the related art. Several embodiments of the present invention are given. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to Figures 1-3, the utility model provides a technical solution:

Embodiments, please refer to Figures 1, 2 and 3, a three-section detachable exhaust pipe for an internal combustion engine, including a protective cover 6, the two ends of the protective cover 6 are snap-connected with a connecting piece 3, and the surface of the connecting piece 3 on one side is A screw 7 is installed on the edge, and a fixing rod 10 is installed on the surface edge of the connecting piece 3 on the other side. One end of the fixing rod 10 is fixed with a sleeve 9 , a pressure sensor 8 is fixed inside the sleeve 9, and three inside the protective sleeve 6 are installed. In the meta-catalyst 5, both ends of the connecting piece 3 are connected with a connecting pipe 1.

For example, please refer to Figures 1, 2 and 3. Several mounting blocks are fixed on the surface edges of the connecting members 3 on both sides. One side of the mounting block is provided with a screw mounting hole, and the other side of the mounting block is fixedly connected to the fixing rod 10. .

1, 2 and 3, the pressure sensor 8 is a HZ4-15 pull pressure force sensor, and the pressure sensor 8 is electrically connected to the vehicle alarm, and the screw 7 is rotated by a wrench, so that the screw is inside the sleeve 9. When the vehicle is disengaged, the pressure sensor 8 senses a decrease in pressure, and an alarm is issued by the on-board alarm.

In an embodiment, please refer to FIGS. 1 , 2 and 3 , the screw 7 is connected with the sleeve 9 by screw thread.

1, 2 and 3, one side surface of the connector 3 is fixedly provided with a catalytic converter clamping part 4, the catalytic converter clamping part 4 is arranged in a ring shape, and both ends of the protective sleeve 6 are provided with catalytic converter clamping parts. The connecting portion 4 is fitted with a card slot, and a sealing ring is arranged inside the card slot.

In an embodiment, please refer to Figures 1, 2 and 3, the other side surface of the connecting piece 3 is fixedly provided with a pipe clamping part 2; 2. The matching butt joint, and the surface of the butt joint is provided with a sealing ring. Remove the lower connector 3 to disengage the catalytic converter clamping part 4 from the protective sleeve 6, and the pipe clamping part 2 and one end of the connecting pipe 1 are disengaged. The lower protective cover 6 can be removed from the lower three-way catalytic converter 5, which is convenient for replacement and removal, and has the anti-theft function.

Working principle: When in use, rotate the screw 7 with a wrench to make the screw detach from the inside of the sleeve 9. At this time, the pressure sensor 8 feels the pressure drop, and the vehicle alarm is used to give an alarm, and the connecting piece 3 is removed to make the catalytic converter clamping part 4 and the catalytic converter. The protective cover 6 is disengaged, and the pipe clamping part 2 is disengaged from one end of the connecting pipe 1. At this time, the three-way catalytic converter 5 can be disassembled by removing the protective cover 6, which is convenient for replacement and disassembly, and has the anti-theft function.

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

Claims (6)

1. A syllogic blast pipe dismantled for internal-combustion engine, including protective sheath (6), its characterized in that: protective sheath (6) both ends block is connected and is equipped with connecting piece (3), one side connecting piece (3) surface edge installation is equipped with screw rod (7), opposite side connecting piece (3) surface edge installation is equipped with dead lever (10), dead lever (10) one end is fixed and is equipped with sleeve (9), sleeve (9) inside fixed pressure sensor (8) that is equipped with, protective sheath (6) inside is equipped with three way catalyst converter (5), connecting piece (3) both ends are connected and are equipped with connecting pipe (1).

2. The three-piece removable exhaust pipe for an internal combustion engine according to claim 1, wherein: both sides connecting piece (3) surface edge all is fixed and is equipped with a plurality of installation piece, and one side installation piece is inside to be equipped with the screw rod mounting hole, opposite side installation piece and dead lever (10) fixed connection.

3. The three-piece removable exhaust pipe for an internal combustion engine according to claim 1, wherein: the pressure sensor (8) is an HZ4-15 tension pressure force measuring sensor, and the pressure sensor (8) is electrically connected with the vehicle-mounted alarm.

4. The three-piece removable exhaust pipe for an internal combustion engine according to claim 1, wherein: the screw rod (7) is in threaded connection with the sleeve (9).

5. The three-piece removable exhaust pipe for an internal combustion engine according to claim 1, wherein: connecting piece (3) one side fixed surface is equipped with catalyst converter joint portion (4), and catalyst converter joint portion (4) are the annular setting, and protective sheath (6) both ends be equipped with the draw-in groove of catalyst converter joint portion (4) looks adaptation, and the inside sealing washer that is equipped with of draw-in groove.

6. The three-piece removable exhaust pipe for an internal combustion engine according to claim 1, wherein: the fixed pipeline joint portion (2) that is equipped with of connecting piece (3) opposite side surface, pipeline joint portion (2) cross-section are the concave groove setting, and connecting pipe (1) one end is equipped with the butt joint of pipeline joint portion (2) looks adaptation, and is equipped with the sealing washer to the butt joint surface.

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