CN211693888U

CN211693888U - Exhaust pipe sealing mechanism

Info

Publication number: CN211693888U
Application number: CN201922458678.5U
Authority: CN
Inventors: 李伟义; 张占栋
Original assignee: Hebei Juteng Sealing Products Co ltd
Current assignee: Hebei Juteng Sealing Products Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-16
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an exhaust pipe sealing mechanism, which comprises a first exhaust pipe, a second exhaust pipe, a sealing gasket arranged between the first exhaust pipe and the second exhaust pipe, and an upper clamp sleeve and a lower clamp sleeve which are arranged at the joint of the first exhaust pipe and the second exhaust pipe; the end part of the second exhaust pipe is arranged to be a connecting port of an arc-shaped structure, the first exhaust pipe is arranged to be a free end pipe matched with the arc-shaped structure of the connecting port, and the sealing gasket comprises a heat insulation layer and a rubber layer. Through the sealed pad of installation between first blast pipe and second blast pipe in this application to install the insulating layer in its sealed pad, thereby guarantee sealed stability of filling up, on the other hand utilizes the bolt spare to install at the articulated other end of one end on the clamp sleeve and lower clamp sleeve, and the while utilizes and reserves the mounting groove and seals up protruding location installation and sealed, improves the efficiency of installation dismantlement.

Description

Exhaust pipe sealing mechanism

Technical Field

The utility model relates to an exhaust pipe sealing technique field especially relates to an exhaust pipe sealing mechanism.

Background

Along with the development of society, the increase of car reserves, certain influence has been caused to the environment to corresponding automobile exhaust, in order to guarantee automobile exhaust detection's accuracy, needs automobile exhaust's delivery pipe to carry out effective sealed, but has certain smoke temperature in the conventional blast pipe, especially is close to the exhaust duct of engine, and conventional sealed pad heat resistance is relatively poor, influences its leakproofness easily, needs often to change, and outside clamp is not convenient for dismantle in addition, influences the installation effectiveness.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an exhaust pipe sealing mechanism, the sealed sealing performance who fills up of solving conventional exhaust pipe sealing mechanism receives exhaust gas temperature easily and influences and the problem that outside clamp installation effectiveness is low.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides an exhaust pipe sealing mechanism, which comprises a first exhaust pipe, a second exhaust pipe, a sealing gasket arranged between the first exhaust pipe and the second exhaust pipe, and an upper clamp sleeve and a lower clamp sleeve which are arranged at the joint of the first exhaust pipe and the second exhaust pipe; the end part of the second exhaust pipe is provided with a connecting port with an arc structure, the first exhaust pipe is provided with a free end pipe matched with the arc structure of the connecting port, the sealing gasket comprises a heat insulation layer and a rubber layer, the sealing gasket is arranged between the connecting port and the free end pipe, and the heat insulation layer is attached to the connecting port; one end of the upper hoop sleeve is connected with the lower hoop sleeve through a hinged shaft, an upper installation fin plate and a lower installation fin plate are respectively arranged on the upper hoop sleeve and the lower hoop sleeve, and the upper installation fin plate is hermetically connected and installed with the lower installation fin plate in a splicing matching mode; the end parts of the upper mounting fin plate and the lower mounting fin plate are provided with threaded holes which are mutually communicated, so that the upper hoop sleeve and the lower hoop sleeve are fixedly connected through bolts.

Furthermore, the connecting port is of a reducing arc structure.

Still further, the free end pipe is a flared connecting pipe adapted to the connecting port.

Still further, the sealing gasket is of an annular structure.

Still further, the heat-insulating layer and the rubber layer are adhered through an adhesive.

Still further, the heat insulation layer is an aerogel layer or a glass fiber layer.

And furthermore, a reserved mounting groove is formed in the upper hoop sleeve.

Still further, be provided with on the lower clamp sleeve with reserve the sealed arch of mounting groove grafting adaptation.

Compared with the prior art, the utility model discloses a beneficial technological effect: through the sealed pad of installation between first blast pipe and second blast pipe in this application to install the insulating layer in its sealed pad, thereby guarantee sealed stability of filling up, on the other hand utilizes the bolt spare to install at the articulated other end of one end on the clamp sleeve and lower clamp sleeve, and the while utilizes and reserves the mounting groove and seals up protruding location installation and sealed, improves the efficiency of installation dismantlement.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

Fig. 1 is a schematic main body view of an exhaust pipe sealing mechanism according to the present invention;

FIG. 2 is a schematic view of a clamp sleeve in the exhaust pipe sealing mechanism of the present invention;

fig. 3 is a schematic view of the exhaust pipe sealing mechanism according to the present invention when the clamp sleeve is opened;

fig. 4 is a schematic view of the fin mounting structure of the exhaust pipe sealing mechanism of the present invention;

fig. 5 is a schematic view of the installation fin protrusion of the exhaust pipe sealing mechanism according to the present invention;

fig. 6 is a schematic view of a sealing gasket of the exhaust pipe sealing mechanism of the present invention;

fig. 7 is a schematic view illustrating the installation of the exhaust pipe sealing mechanism of the present invention.

Description of reference numerals: 1. a first exhaust pipe; 1-1, a free end pipe; 2. a second exhaust pipe; 2-1, connecting ports; 3. a gasket; 3-1, a heat insulation layer; 3-2, a rubber layer; 4. a clamp sleeve is arranged; 4-1, mounting a fin plate; 4-2, reserving a mounting groove; 5. hinging a shaft; 6. a lower clamp sleeve; 6-1, mounting a fin plate at the lower part; 6-2, sealing the bulge; 7. a bolt member.

Detailed Description

As shown in fig. 1 to 7, an exhaust pipe sealing mechanism includes a first exhaust pipe 1 and a second exhaust pipe 2, a gasket 3 sealingly installed between the first exhaust pipe 1 and the second exhaust pipe 2, and an upper ferrule 4 and a lower ferrule 6 installed at a connection of the first exhaust pipe 1 and the second exhaust pipe 2; as shown in fig. 1, the end of the second exhaust pipe 2 is a connection port 2-1 having an arc structure, the end of the first exhaust pipe 1 is integrally formed or is designed into a free end pipe 1-1 adapted to the arc structure of the connection port 2-1 by means of stamping, the gasket 3 includes a heat insulation layer 3-1 and a rubber layer 3-2, wherein the gasket 3 is installed between the connection port 2-1 and the free end pipe 1-1, and the heat insulation layer 3-1 is attached to the connection port 2-1; one end of the upper clamp sleeve 4 is connected with the lower clamp sleeve 6 through a hinge shaft 5, an upper mounting fin plate 4-1 and a lower mounting fin plate 6-1 are respectively integrally manufactured (by stamping) on the upper clamp sleeve 4 and the lower clamp sleeve 6, wherein the upper clamp sleeve 4 and the lower clamp sleeve 6 are shown in figure 1, the cross section of the upper clamp sleeve 4 and the lower clamp sleeve 6 is shown in figure 1, and the upper mounting fin plate 4-1 is hermetically connected and mounted with the lower mounting fin plate 6-1 in a plug-in fit manner; the end parts of the upper mounting fin plate 4-1 and the lower mounting fin plate 6-1 are provided with threaded holes which are mutually communicated, so that the upper clamp sleeve 4 and the lower clamp sleeve 6 are connected and fixed through a bolt piece 7.

In this embodiment, the connection port 2-1 is a variable-diameter arc-shaped structure, and the free end pipe 1-1 is a flared connection pipe adapted to the connection port 2-1, so that the connection port 2-1 and the free end pipe 1-1 are installed in a matched manner, and the stability and the sealing performance of the connection port 2-1 are improved; the sealing gasket 3 is of an annular structure, is specifically matched and attached with the arc-shaped structure of the connecting port 2-1, and is fastened and fixed on the connecting port 2-1 by utilizing the free end pipe 1-1. The heat insulation layer 3-1 and the rubber layer 3-2 are adhered through an adhesive, and the heat insulation layer 3-1 and the rubber layer 3-2 are fixedly installed through the adhesive, so that the stability of the whole structure of the sealing gasket 3 is guaranteed. The heat insulation layer 3-1 is an aerogel layer or a glass fiber layer, wherein the aerogel layer has high elasticity and heat insulation performance, and the aerogel layer is directly contacted with the connecting port 2-1 to effectively block smoke temperature. The upper clamp sleeve 4 is provided with a reserved mounting groove 4-2, and the lower clamp sleeve 6 is provided with a sealing bulge 6-2 which is in splicing fit with the reserved mounting groove 4-2, so that stable sealing performance is guaranteed between the upper clamp sleeve 4 and the lower clamp sleeve 6, and mounting and matching between the upper clamp sleeve 4 and the lower clamp sleeve 6 are facilitated.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above embodiments are only for describing the preferred mode of the invention, and are not intended to limit the scope of the invention, and various modifications and improvements made to the technical solution of the invention by those skilled in the art without departing from the spirit of the invention should fall within the protection scope defined by the claims of the invention.

Claims

1. An exhaust pipe sealing mechanism, characterized in that: the exhaust pipe sealing device comprises a first exhaust pipe (1), a second exhaust pipe (2), a sealing gasket (3) hermetically arranged between the first exhaust pipe (1) and the second exhaust pipe (2), and an upper clamp sleeve (4) and a lower clamp sleeve (6) which are arranged at the connection part of the first exhaust pipe (1) and the second exhaust pipe (2); the end part of the second exhaust pipe (2) is provided with a connecting port (2-1) with an arc structure, the end part of the first exhaust pipe (1) is provided with a free end pipe (1-1) matched with the arc structure of the connecting port (2-1), the sealing gasket (3) comprises a heat insulation layer (3-1) and a rubber layer (3-2), the sealing gasket (3) is arranged between the connecting port (2-1) and the free end pipe (1-1), and the heat insulation layer (3-1) is attached to the connecting port (2-1); one end of the upper clamp sleeve (4) is connected with the lower clamp sleeve (6) through a hinge shaft (5), an upper mounting fin plate (4-1) and a lower mounting fin plate (6-1) are respectively arranged on the upper clamp sleeve (4) and the lower clamp sleeve (6), and the upper mounting fin plate (4-1) is hermetically connected and mounted with the lower mounting fin plate (6-1) in a plug-in matching mode; the end parts of the upper mounting fin plate (4-1) and the lower mounting fin plate (6-1) are provided with threaded holes which are mutually communicated, so that the upper clamp sleeve (4) and the lower clamp sleeve (6) are connected and fixed through a bolt (7).

2. The exhaust pipe sealing mechanism according to claim 1, wherein: the connecting port (2-1) is of a reducing arc structure.

3. The exhaust pipe sealing mechanism according to claim 2, wherein: the free end pipe (1-1) is a flared connecting pipe matched with the connecting port (2-1).

4. The exhaust pipe sealing mechanism according to claim 1, wherein: the sealing gasket (3) is of an annular structure.

5. The exhaust pipe sealing mechanism according to claim 1, wherein: the heat insulation layer (3-1) and the rubber layer (3-2) are adhered through an adhesive.

6. The exhaust pipe sealing mechanism according to claim 1, wherein: the heat insulation layer (3-1) is an aerogel layer or a glass fiber layer.

7. The exhaust pipe sealing mechanism according to claim 1, wherein: and a reserved mounting groove (4-2) is formed in the upper clamp sleeve (4).

8. The exhaust pipe sealing mechanism according to claim 7, wherein: and a sealing bulge (6-2) which is in splicing fit with the reserved mounting groove (4-2) is arranged on the lower clamp sleeve (6).