CN216665729U

CN216665729U - Simple and efficient exhaust system connecting piece

Info

Publication number: CN216665729U
Application number: CN202123411503.2U
Authority: CN
Inventors: 吴安琪; 李文超
Original assignee: Funwick Precision Technology Kunshan Co ltd
Current assignee: Funwick Precision Technology Kunshan Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-03
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a simple and efficient exhaust system connecting piece which comprises a clamping part, connecting parts and a bolt, wherein the connecting parts are arranged at two ends of the top of the clamping part and are in U-shaped turnover, a first through hole is formed in one of the two connecting parts, a second through hole is formed in the other connecting part, the bolt comprises a rod body, external threads are formed in the outer part of the rod body, a connecting head is arranged on one side of the rod body, a screw head is arranged on one side, away from the rod body, of the connecting head, and a nut is arranged on the outer part of the bolt. The clamping part is encircled outside the exhaust pipeline, the connecting piece is tightly encircled on the exhaust pipeline by utilizing the bolt and the nut, surrounding pressure is given to the exhaust pipeline, when the pressure is greater than the strength of the exhaust pipeline, the middle grooved pipeline is forced to deform, the inner non-grooved pipeline is locked, and the locking and sealing effects are achieved.

Description

Simple and efficient exhaust system connecting piece

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to a simple and efficient exhaust system connecting piece.

Background

The automobile exhaust pipeline is arranged in an exhaust pipe between an engine exhaust branch pipe and a silencer, so that the whole exhaust system is in flexible connection, and the effects of reducing vibration and noise, facilitating installation and prolonging the service life of the exhaust silencing system are achieved.

A clamp is a very versatile connector that is widely used for joining pipes, and in automotive exhaust pipe joints, clamps are also used to join two sections of pipe at the joint. The existing clamp connecting piece is simple in design, the connecting strength of the connecting piece to a pipeline cannot be enhanced, and the requirement for air tightness of the pipeline cannot be well met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a simple and efficient exhaust system connecting piece.

In order to achieve the purpose, the utility model adopts the following technical scheme: a simple and efficient exhaust system connecting piece comprises a clamping part, connecting parts and bolts, wherein the connecting parts are arranged at two ends of the top of the clamping part, the connecting parts are turned over in a U shape, a first through hole is formed in one of the two connecting parts, and a second through hole is formed in the other connecting part;

the bolt comprises a rod body, wherein an external thread is arranged outside the rod body, a connector is arranged on one side of the rod body, a screw head is arranged on one side, away from the rod body, of the connector, and a nut is arranged outside the bolt.

Preferably, the clamping part and the connecting part are integrally constructed, and the connecting position of the connecting part and the clamping part is provided with four reversely-raised turnups.

Preferably, the cross section of the clamping part is in a rectangular belt shape, and the width of the connecting part is equal to or less than that of the clamping part.

Preferably, the bolt is externally sleeved with a gasket.

Preferably, the side of connector and first through-hole all are the rectangle setting, and the specification and dimension looks adaptation of first through-hole and connector, the second through-hole is circular setting, and the specification and dimension looks adaptation of second through-hole and the body of rod.

Preferably, the root of the connecting part is provided with a reinforcing rib.

Compared with the prior art, the utility model has the beneficial effects that: in the utility model, the clamping part is protected outside the exhaust pipeline, the connecting piece is tightly held by the exhaust pipeline by using the bolt and the nut, the exhaust pipeline is provided with surrounding pressure, and when the pressure is higher than the strength of the exhaust pipeline, the pipeline with the groove in the middle is forced to deform, so that the pipeline without the groove in the inner part is locked, and the locking and sealing effects are achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic diagram of a partial structure according to the present invention;

fig. 4 is a schematic view of a bolt structure according to the present invention.

Number in the figure: 1. a clamping portion; 2. a connecting portion; 3. a bolt; 301. a rod body; 302. an external thread; 303. a connector; 304. a screw head; 4. a nut; 5. a gasket; 6. a first through hole; 7. a second via.

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.

Example (b): referring to fig. 1-4, a simple and efficient exhaust system connecting piece comprises a clamping portion 1, connecting portions 2 and bolts 3, wherein the connecting portions 2 and the bolts 3 are arranged at two ends of the top of the clamping portion 1, the cross section of the clamping portion 1 is rectangular strip-shaped, the width of each connecting portion 2 is equal to or smaller than that of the clamping portion 1, the clamping portion 1 and the connecting portions 2 are integrally constructed, four reversely-protruding turnover pieces are arranged at the connecting positions of the connecting portions 2 and the clamping portion 1, the connecting portions 2 are U-shaped turnover pieces, a first through hole 6 is formed in one of the two connecting portions 2, and a second through hole 7 is formed in the other connecting portion 2; bolt 3 includes the body of rod 301, the outside of the body of rod 301 is provided with external screw thread 302, one side of the body of rod 301 is provided with connector 303, one side that body of rod 301 was kept away from to connector 303 is provided with spiral shell head 304, the outside of bolt 3 is provided with nut 4, on the basis of traditional connecting piece, the intensity of this connecting piece has been strengthened, and can better satisfy the gas tightness requirement, through embracing clamping part 1 in exhaust duct's outside, utilize bolt 3 and nut 4, make this connecting piece embrace exhaust duct tightly, give exhaust duct a surrounding pressure, when pressure is greater than exhaust duct's intensity, force middle grooved pipeline to warp, thereby lock inside not grooved pipeline, locking has been reached, sealed effect.

In the utility model, the gasket 5 is sleeved outside the bolt 3, and the nut 4 is prevented from directly contacting the connecting part 2 by the arranged gasket 5 to prevent the connecting part 2 from being abraded.

In the utility model, the side surface of the connector 303 and the first through hole 6 are both arranged in a rectangular shape, and the first through hole 6 is matched with the specification and size of the connector 303, so that when the bolt 3 penetrates through the connecting part 2, the connector 303 is positioned in the first through hole 6, and when the bolt 3 is screwed with the nut 4, due to the limitation of the connector 303 and the first through hole 6, the rod body 301 cannot rotate relatively when the nut 4 is rotated, so that the locking can be realized only by rotating the nut 4, the use by an operator is facilitated, the operator does not need to limit the rod body 301 again, the second through hole 7 is arranged in a circular shape, and the second through hole 7 is matched with the specification and size of the rod body 301.

In the present invention, the root of the connecting portion 2 is provided with a reinforcing rib so that the connecting force is more uniformly spread throughout the clamping portion 1.

The working principle is as follows: when the connecting piece is used, the clamping part 1 is sleeved at the joint of two sections of pipelines, then the rod body 301 sequentially penetrates through the first through hole 6 and the second through hole 7, the connecting head 303 is positioned inside the first through hole 6, the rod body 301 is positioned inside the second through hole 7, the gasket 5 is sleeved outside the rod body 301, the screw head 304 is abutted on the surface of the connecting part 2, the nut 4 is screwed outside the rod body 301, due to the limitation of the connecting head 303 and the first through hole 6, the rod body 301 cannot relatively rotate when the nut 4 is rotated, an operator only needs to rotate the nut 4, the bolt 3 and the nut 4 tightly encircle the clamping part 1 outside the exhaust pipeline, the connecting piece tightly encircles the exhaust pipeline through 360 degrees, an encircling pressure is given to the exhaust pipeline, when the pressure is higher than the strength of the exhaust pipeline, the pipeline with a groove in the middle is forced to deform, so that the pipeline without the groove in the inside is locked, the locking and sealing effects are achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a simple efficient exhaust system connecting piece, includes clamping part (1), sets up in connecting portion (2) and bolt (3) at clamping part (1) top both ends, its characterized in that: the connecting parts (2) are turned over in a U shape, a first through hole (6) is formed in one of the two connecting parts (2), and a second through hole (7) is formed in the other connecting part (2);

bolt (3) are including the body of rod (301), the outside of the body of rod (301) is provided with external screw thread (302), one side of the body of rod (301) is provided with connector (303), one side that the body of rod (301) was kept away from in connector (303) is provided with spiral shell head (304), the outside of bolt (3) is provided with nut (4).

2. A simple and efficient exhaust system connector as defined in claim 1, wherein: the clamping part (1) and the connecting part (2) are integrally constructed, and four reverse convex turnups are arranged at the connecting position of the connecting part (2) and the clamping part (1).

3. A simple and efficient exhaust system connector as defined in claim 1, wherein: the cross section of the clamping part (1) is in a rectangular belt shape, and the width of the connecting part (2) is equal to or smaller than that of the clamping part (1).

4. A simple and efficient exhaust system connector as defined in claim 1, wherein: and a gasket (5) is sleeved outside the bolt (3).

5. A simple and efficient exhaust system connector as defined in claim 1, wherein: the side of connector (303) and first through-hole (6) all are the rectangle setting, and the specification and dimension looks adaptation of first through-hole (6) and connector (303), second through-hole (7) are circular setting, and the specification and dimension looks adaptation of second through-hole (7) and body of rod (301).

6. A simple and efficient exhaust system connector as defined in claim 1, wherein: the root of the connecting part (2) is provided with a reinforcing rib.