CN219953483U - Exhaust pipe clamp - Google Patents
Exhaust pipe clamp Download PDFInfo
- Publication number
- CN219953483U CN219953483U CN202321441152.6U CN202321441152U CN219953483U CN 219953483 U CN219953483 U CN 219953483U CN 202321441152 U CN202321441152 U CN 202321441152U CN 219953483 U CN219953483 U CN 219953483U
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- China
- Prior art keywords
- hump
- pipe
- flare
- extending direction
- width
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- 239000002184 metal Substances 0.000 claims abstract description 48
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000013011 mating Effects 0.000 description 7
- 210000005069 ears Anatomy 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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- Clamps And Clips (AREA)
Abstract
The utility model provides an exhaust pipe clamp, which comprises an annular belt and a metal backing ring, wherein the annular belt is provided with a metal backing ring; the exhaust pipe comprises a hump pipe and a flare pipe, wherein a hump part is formed at the end part of the hump pipe around the axial direction of the hump pipe, and one outer side surface of the hump part is matched with the inner wall of the flare end of the flare pipe; the ring belt is sleeved outside the exhaust pipe and clamps the matched part of the hump pipe and the flare pipe; the metal backing ring is arranged between the hump pipe and the flare pipe, and two side wall surfaces of the metal backing ring are respectively clung to the outer side surface of the hump part and the inner wall of the flare end of the flare pipe; the metal backing ring is arranged between the hump pipe and the horn pipe, and can not deform under the action of high temperature, and can deform under extrusion and be tightly matched with the two pipe fittings, so that the metal backing ring can have a good sealing effect.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to an exhaust pipe clamp.
Background
The vehicle exhaust pipe is part of the engine exhaust system. Some large-sized vehicle exhaust pipes are hump pipes, and hump-shaped raised structures are formed on the outer wall of a pipe orifice at one end of the exhaust pipes; the tube that interfaces with the hump tube is typically a flare tube. When needs dock hump pipe and horn mouth pipe, can adopt the clamp to fix two pipe fittings of butt joint, the clamp that adopts is V type clamp or U type clamp generally, and the hoop of this type clamp has V-arrangement groove or U-arrangement groove, consequently can press from both sides the hump shape uplift structure of hump pipe and the cooperation position of horn mouth pipe to play good butt joint fixed effect. In addition, in order to enhance the abutting effect of the two pipes, a sealing ring is usually disposed between the two pipes to improve the tightness between the two pipes.
U.S. patent No. 11112042B2 discloses a clip which adopts a common V-shaped clip structure and can be clamped on a hump tube through a clamping groove with a V-shaped section. However, the technical staff find that the hump pipe and the flare pipe are internally flowed with high-temperature gas in the using process of the exhaust pipe system, and the sealing ring is usually a rubber ring, so that the rubber sealing ring is deformed due to high temperature in the long-term using process, the tightness of the butt joint matching position of the hump pipe and the flare pipe is further affected, the poor butt joint of the hump pipe and other pipe fittings is further caused, and other problems of the exhaust pipe system are further caused.
Disclosure of Invention
In view of the above, the utility model provides an exhaust pipe clamp for solving the problem that the sealing performance of the butt joint matching part of the hump pipe and the flare pipe is affected due to the deformation of the rubber sealing ring caused by high temperature in the long-term use process due to the fact that the high temperature gas flows into the hump pipe and the flare pipe in the prior sealing ring is generally a rubber sealing ring.
The technical scheme of the utility model is realized as follows: the utility model provides an exhaust pipe clamp, which comprises an annular belt and a metal backing ring, wherein the annular belt is provided with a metal ring; the exhaust pipe comprises a hump pipe and a flare pipe, wherein a hump part is formed at the end part of the hump pipe around the axial direction of the hump pipe, and one outer side surface of the hump part is matched with the inner wall of the flare end of the flare pipe; the ring belt is sleeved outside the exhaust pipe and clamps the matched part of the hump pipe and the flare pipe; the metal backing ring is arranged between the hump pipe and the flare pipe, and two side wall surfaces of the metal backing ring are respectively clung to the outer side surface of the hump part and the inner wall of the flare end of the flare pipe.
On the basis of the above technical scheme, preferably, the radial section shape of the annular belt along the extending direction of the annular belt is V-shaped or U-shaped, and the inner walls at two sides of the annular belt are respectively lapped on the outer side surface of the hump part far away from the flare tube and the outer wall of the flare end of the flare tube.
Still more preferably, the width of the side face of the cuff in the cuff extending direction is not smaller than the width of the hump portion in the cuff extending direction.
On the basis of the technical scheme, preferably, the metal backing ring comprises a first matching part and a second matching part; the first matching part is arranged between the outer side surface of the hump part facing the flare tube and the inner wall of the flare end of the flare tube and is clung to the two wall surfaces; the second matching part is arranged at the edge of the inner ring of the first matching part and is lapped on the edge of the end face of the hump pipe facing the flare pipe.
Still further preferably, the width of the first fitting portion in the extending direction of the metal grommet is not greater than the width of the hump portion in the extending direction of the cuff.
Still further preferably, the width of the bell end inner wall of the bell mouth pipe in the extending direction of the endless belt is not larger than the width of the hump portion in the extending direction of the endless belt, and the width of the bell end inner wall of the bell mouth pipe in the extending direction of the endless belt is not smaller than the width of the first fitting portion in the extending direction of the metal backing ring.
Still further preferably, the width of the first fitting portion along the extending direction of the metal backing ring is the same as the width of the hump portion along the extending direction of the annular band and the width of the inner wall of the flare end of the flare tube along the extending direction of the annular band.
Still more preferably, the first mating portion and the second mating portion are integrally formed.
On the basis of the technical proposal, the utility model preferably further comprises an ear part and a locking component; the two lugs are respectively and fixedly arranged at the two ends of the girdle, and are arranged at intervals; the locking component is arranged between the two lugs, can adjust the distance between the two lugs and enables the girdle to clamp the matched part of the hump tube and the flare tube.
Still more preferably, the locking assembly comprises a screw and a nut; one end of the screw rod is fixedly arranged on one lug part, and the other end of the screw rod penetrates through the other lug part to extend outwards; the nut sets up on the tip that the screw rod passed the ear, and nut spiro union is on the screw rod, and the nut can follow the screw rod and support and hold or keep away from the ear.
Compared with the prior art, the exhaust pipe clamp has the following beneficial effects:
(1) The metal backing ring is arranged between the hump pipe and the flare pipe, and can not deform under the action of high temperature, and can be extruded to deform and be tightly matched with the two pipe fittings, so that the metal backing ring can have a good sealing effect.
(2) The metal backing ring comprises two matching parts, wherein the first matching part is arranged between two pipe fittings to play a role in sealing, and the second matching part is lapped on the edge of the end face of the hump pipe, so that the problem that the sealing performance of the metal backing ring is affected due to the fact that the metal backing ring is possibly subjected to position deviation when being deformed by extrusion is avoided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of an exhaust pipe clamped by a clamp of the present utility model;
FIG. 2 is a perspective view of another view of the clamping band of the present utility model clamping an exhaust pipe;
FIG. 3 is a side cross-sectional view of the clamping band of the present utility model clamping an exhaust pipe;
FIG. 4 is a perspective view of a clip of the present utility model;
FIG. 5 is a perspective view of another view of the clip of the present utility model;
FIG. 6 is a side cross-sectional view of the clip of the present utility model;
FIG. 7 is a perspective view of a metal backing ring of the present utility model;
fig. 8 is a perspective view of another view of the metal grommet of the present utility model.
In the figure: 1. an endless belt; 2. a metal backing ring; 21. a first mating portion; 22. a second mating portion; 3. an ear; 4. a locking assembly; 41. a screw; 42. a nut; 10. hump tube; 101. hump portion; 20. a horn tube; 201. a flare end.
Detailed Description
The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
Example 1
As shown in fig. 1, referring to fig. 2, 3 and 6, an exhaust pipe clip of the present utility model includes an endless belt 1 and a metal backing ring 2. The exhaust pipe includes a hump pipe 10 and a flare pipe 20.
Wherein, the end of the hump tube 10 is formed with a hump portion 101 around the axial direction of the hump tube 10, and one of the outer sides of the hump portion 101 is matched with the inner wall of the flare end 201 of the flare tube 20.
The ring belt 1 is sleeved outside the exhaust pipe and clamps the matched part of the hump pipe 10 and the flare pipe 20. The radial section shape of the ring belt 1 along the extending direction of the ring belt 1 is V-shaped or U-shaped, and the inner walls at the two sides of the ring belt 1 are respectively lapped on the outer side surface of the hump part 101 far away from the flare tube 20 and the outer wall of the flare end 201 of the flare tube 20, so that the matched parts of the hump tube 10 and the flare tube 20 are clamped through the two sides of the ring belt 1. In order to avoid that the width of the cuff 1 is narrow and it is difficult to clamp the mating part of the hump pipe 10 and the flare pipe 20 effectively, the width of the side surface of the cuff 1 in the extending direction of the cuff 1 is not smaller than the width of the hump 101 in the extending direction of the cuff 1.
The metal backing ring 2 is arranged between the hump pipe 10 and the flare pipe 20, and two side wall surfaces of the metal backing ring 2 are respectively clung to the outer side surface of the hump part 101 and the inner wall of the flare end 201 of the flare pipe 20. The metal backing ring 2 is in fact a bowl-shaped metal shim.
The metal backing ring 2 adopted in the embodiment has the advantages compared with the traditional rubber sealing ring in that the metal backing ring 2 cannot deform under the action of high temperature, and the metal backing ring 2 can be extruded to deform and be tightly matched with the hump pipe 10 and the flare pipe 20, so that the metal backing ring 2 can play a good sealing role.
Example two
On the basis of the first embodiment, for the purpose of clamping the mating part of the hump tube 10 and the flare tube 20 by the clamp, as shown in fig. 1, with reference to fig. 4 and 5, the clamp further comprises an ear 3 and a locking assembly 4.
Wherein, two ears 3 are set firmly in the both ends of clitellum 1 respectively, and two ears 3 interval sets up.
The locking assembly 4 is arranged between the two ears 3 and is capable of adjusting the spacing between the two ears 3 and clamping the cuff 1 to the portion of the hump tube 10 that mates with the flare tube 20.
Specifically, the locking assembly 4 includes a screw 41 and a nut 42.
One end of the screw 41 is fixedly arranged on one of the lugs 3, and the other end of the screw 41 extends outwards through the other lug 3.
A nut 42 is provided on the end of the screw 41 passing through the ear 3, the nut 42 being screwed onto the screw 41, the nut 42 being able to move along the screw 41 and against or away from the ear 3.
When the technical scheme is adopted, the nut 42 is screwed, the nut 42 moves on the screw 41 and abuts against the penetrated lug 3, so that the distance between the two lugs 3 is reduced, the annular belt 1 is tightened, and the clamp clamps the matched part of the hump pipe 10 and the flare pipe 20; unscrewing the nut 42, the nut 42 moves on the screw 41 and away from the penetrated ears 3, expanding the spacing between the two ears 3, thereby loosening the annulus 1 and releasing the clamp from the portion of the hump tube 10 that mates with the flare tube 20
Example III
On the basis of the first embodiment, when the metal gasket 2 is deformed by being pressed by two pipe fittings, so as to perform a sealing function, during the deformation of the metal gasket 2 by being pressed by two sides, the metal gasket 2 may be displaced between the two pipe fittings, so as to affect the sealing effect of the metal gasket 2.
To solve this problem, as shown in fig. 1, the metal grommet 2 includes a first fitting portion 21 and a second fitting portion 22, as shown in fig. 7 and 8.
The first fitting portion 21 is disposed between the outer side surface of the hump portion 101 facing the flare tube 20 and the inner wall of the flare end 201 of the flare tube 20, and is tightly attached to the two wall surfaces. The first mating portion 21 functions as a seal. In order to avoid the influence of the excessive width of the first fitting portion 21 on the sealability, the width of the first fitting portion 21 in the extending direction of the metal grommet 2 is not greater than the width of the hump portion 101 in the extending direction of the cuff 1; more specifically, the width of the first fitting portion 21 in the extending direction of the metal backing ring 2 is the same as the width of the hump portion 101 in the extending direction of the cuff 1 and the width of the inner wall of the flare end 201 of the flare tube 20 in the extending direction of the cuff 1. The width of the inner wall of the flare end 201 of the flare tube 20 in the extending direction of the annular band 1 is not larger than the width of the hump portion 101 in the extending direction of the annular band 1, and the width of the inner wall of the flare end 201 of the flare tube 20 in the extending direction of the annular band 1 is not smaller than the width of the first fitting portion 21 in the extending direction of the metal backing ring 2.
The second matching part 22 is arranged at the inner ring edge of the first matching part 21, and the second matching part 22 is lapped on the end surface edge of the hump pipe 10 facing the flare pipe 20. The second matching part 22 is connected with the hump pipe 10 in a lap joint way, and the hump pipe 10 is hooked or clamped relatively, so that the metal backing ring 2 is prevented from being displaced due to compression deformation.
In addition, in order to reduce the production cost and the production difficulty and to improve the strength of the metal backing ring 2, the first fitting portion 21 and the second fitting portion 22 are integrally formed.
Example IV
In the absence of technical conflicts, any combination of embodiments one to three is also included.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. An exhaust pipe clamp, characterized in that: comprises an endless belt (1) and a metal backing ring (2);
the exhaust pipe comprises a hump pipe (10) and a flare pipe (20), wherein a hump part (101) is formed at the end part of the hump pipe (10) around the axial direction of the hump pipe (10), and one outer side surface of the hump part (101) is matched with the inner wall of the flare end (201) of the flare pipe (20);
the ring belt (1) is sleeved outside the exhaust pipe and clamps the matched part of the hump pipe (10) and the horn pipe (20);
the metal backing ring (2) is arranged between the hump pipe (10) and the flare pipe (20), and two side wall surfaces of the metal backing ring (2) are respectively clung to the outer side surface of the hump part (101) and the inner wall of the flare end (201) of the flare pipe (20).
2. An exhaust pipe clip as claimed in claim 1, wherein: the radial section shape of the annular belt (1) along the extending direction of the annular belt (1) is V-shaped or U-shaped, and the inner walls at two sides of the annular belt (1) are respectively lapped on the outer side surface of the hump part (101) far away from the flare tube (20) and the outer wall of the flare end (201) of the flare tube (20).
3. An exhaust pipe clip as claimed in claim 2, wherein: the width of the side surface of the ring belt (1) along the extending direction of the ring belt (1) is not smaller than the width of the hump part (101) along the extending direction of the ring belt (1).
4. An exhaust pipe clip as claimed in claim 1, wherein: the metal backing ring (2) comprises a first matching part (21) and a second matching part (22);
the first matching part (21) is arranged between the outer side surface of the hump part (101) facing the flare tube (20) and the inner wall of the flare end (201) of the flare tube (20) and is tightly attached to the two wall surfaces;
the second matching part (22) is arranged at the inner ring edge of the first matching part (21), and the second matching part (22) is lapped on the end surface edge of the hump tube (10) facing the flare tube (20).
5. An exhaust pipe clip as defined in claim 4, wherein: the width of the first matching part (21) along the extending direction of the metal backing ring (2) is not larger than the width of the hump part (101) along the extending direction of the annular belt (1).
6. An exhaust pipe clip as defined in claim 5, wherein: the width of the inner wall of the bell mouth end (201) of the bell mouth pipe (20) along the extending direction of the annular belt (1) is not larger than the width of the hump part (101) along the extending direction of the annular belt (1), and the width of the inner wall of the bell mouth end (201) of the bell mouth pipe (20) along the extending direction of the annular belt (1) is not smaller than the width of the first matching part (21) along the extending direction of the metal backing ring (2).
7. An exhaust pipe clip as defined in claim 6, wherein: the width of the first matching part (21) along the extending direction of the metal backing ring (2) is the same as the width of the hump part (101) along the extending direction of the annular belt (1) and the width of the inner wall of the flare end (201) of the flare tube (20) along the extending direction of the annular belt (1).
8. An exhaust pipe clip as defined in claim 4, wherein: the first matching part (21) and the second matching part (22) are integrally formed.
9. An exhaust pipe clip as claimed in claim 1, wherein: the device also comprises an ear part (3) and a locking component (4);
the two lugs (3) are respectively and fixedly arranged at the two ends of the annular belt (1), and the two lugs (3) are arranged at intervals;
the locking assembly (4) is arranged between the two lugs (3) and can adjust the distance between the two lugs (3), and the ring belt (1) clamps the matched part of the hump tube (10) and the horn tube (20).
10. An exhaust pipe clip as claimed in claim 9, wherein: the locking assembly (4) comprises a screw (41) and a nut (42);
one end of the screw rod (41) is fixedly arranged on one lug part (3), and the other end of the screw rod (41) penetrates through the other lug part (3) to extend outwards;
the nut (42) is arranged on the end part of the screw (41) penetrating through the lug part (3), the nut (42) is in threaded connection with the screw (41), and the nut (42) can move along the screw (41) and abut against or be away from the lug part (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321441152.6U CN219953483U (en) | 2023-06-07 | 2023-06-07 | Exhaust pipe clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321441152.6U CN219953483U (en) | 2023-06-07 | 2023-06-07 | Exhaust pipe clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219953483U true CN219953483U (en) | 2023-11-03 |
Family
ID=88549020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321441152.6U Active CN219953483U (en) | 2023-06-07 | 2023-06-07 | Exhaust pipe clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219953483U (en) |
-
2023
- 2023-06-07 CN CN202321441152.6U patent/CN219953483U/en active Active
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| GR01 | Patent grant |