CN213175806U - Hoop structure of exhaust aftertreatment system - Google Patents
Hoop structure of exhaust aftertreatment system Download PDFInfo
- Publication number
- CN213175806U CN213175806U CN202021978173.8U CN202021978173U CN213175806U CN 213175806 U CN213175806 U CN 213175806U CN 202021978173 U CN202021978173 U CN 202021978173U CN 213175806 U CN213175806 U CN 213175806U
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- barrel
- hoop
- end cover
- straight
- pressing edge
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Abstract
The utility model relates to an exhaust aftertreatment system hoop structure, including staple bolt and seal gasket, the staple bolt includes the hoop body and sets up first interior blank pressing and the second interior blank pressing in the hoop body inboard, first interior blank pressing is used for compressing tightly oblique turn-ups barrel, second interior blank pressing is used for compressing tightly the straight flange end cover, and first interior blank pressing inclines to the hoop body setting, and second interior blank pressing is perpendicular to the hoop body setting, and the inclination of first interior blank pressing is the same with the inclination of oblique turn-ups barrel; the lower end of the inclined flanging barrel is fixedly provided with an inner supporting barrel which is vertical to the straight-side end cover, and the middle lower part of the sealing gasket is arranged in a space formed by the inclined flanging barrel, the straight-side end cover and the inner supporting barrel; one side of the sealing gasket, which corresponds to the straight-edge end cover, is a plane, and one side of the sealing gasket, which corresponds to the inclined flanging barrel, is an inclined plane, and the inclination of the inclined plane is the same as that of the first inner pressing edge. The utility model discloses simple structure, convenient to use effectively realizes being connected between barrel and the barrel, between barrel and the end cover.
Description
Technical Field
The utility model relates to an exhaust aftertreatment system staple bolt structure belongs to car aftertreatment equipment technical field.
Background
With the vigorous development of agriculture in China, agricultural non-road vehicles are rapidly developed, and the state has new requirements on the discharge standard of agricultural machinery. Each host factory optimizes the post-processing structure on the basis of the existing whole vehicle structure in order to reduce the cost. And new emissions require the addition of DPF and even SCR to meet the emission requirements, thereby causing a problem of insufficient space. To address this problem, aftertreatment plants are designed with the space occupied by the compression aftertreatment that is possible with various configurations. One important item is the size occupied by the hoops for compression connection of the aftertreatment cylinders.
Disclosure of Invention
An object of the utility model is to overcome the not enough of existence among the prior art, provide an exhaust aftertreatment system staple bolt structure, its simple structure, convenient to use effectively realizes being connected between barrel and the barrel, between barrel and the end cover.
According to the utility model provides a technical scheme: the hoop structure of the exhaust aftertreatment system comprises a hoop and a sealing gasket, wherein the hoop comprises a hoop body, a first inner pressing edge and a second inner pressing edge, the first inner pressing edge and the second inner pressing edge are arranged on the inner side of the hoop body, the first inner pressing edge is used for pressing an inclined flanging barrel, the second inner pressing edge is used for pressing a straight-edge end cover, the first inner pressing edge is arranged obliquely to the hoop body, the second inner pressing edge is arranged perpendicularly to the hoop body, and the inclination of the first inner pressing edge is the same as that of the inclined flanging barrel; the lower end of the inclined flanging barrel is fixedly provided with an inner supporting barrel which is vertical to the straight-side end cover, and the middle lower part of the sealing gasket is arranged in a space formed by the inclined flanging barrel, the straight-side end cover and the inner supporting barrel; one side of the sealing gasket, which corresponds to the straight-edge end cover, is a plane, and one side of the sealing gasket, which corresponds to the inclined flanging barrel, is an inclined plane, and the inclination of the inclined plane is the same as that of the first inner pressing edge.
Further, the outer end of the first inner pressing edge is arched and flanged outwards.
Furthermore, the hoop is divided into four sections, and the sections are connected by an outer layer steel belt.
Further, the inclination of the first inner pressing edge is 65-75 degrees.
Compared with the prior art, the utility model, have following advantage:
1. simple structure, convenient to use effectively realizes being connected between barrel and the barrel, between barrel and the end cover.
2. Compact structure, satisfy the gas tightness requirement.
3 saving gasket material.
Drawings
Fig. 1 is a front view of the utility model in use.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a partially enlarged view of fig. 2.
Description of reference numerals: 1-oblique flanging cylinder, 2-anchor ear, 3-sealing gasket, 4-internal support cylinder, 5-straight edge end cover, 21-first internal pressing edge, 22-second internal pressing edge and 23-hoop body.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 2 and 3, the hoop structure of the exhaust aftertreatment system comprises a hoop 2 and a sealing gasket 3, wherein the hoop 2 comprises a hoop body 23 and a first inner pressing edge 21 and a second inner pressing edge 22 which are arranged on the inner side of the hoop body, the first inner pressing edge 21 is used for pressing the inclined flanging cylinder 1, the second inner pressing edge 22 is used for pressing the straight-edge end cover 5, the first inner pressing edge 21 is arranged obliquely to the hoop body 23, the second inner pressing edge 22 is arranged perpendicularly to the hoop body, and the inclination of the first inner pressing edge 21 is the same as that of the inclined flanging cylinder 1; the lower end of the inclined flanging cylinder body 1 is fixedly provided with an inner supporting cylinder body 4, the inner supporting cylinder body 4 is vertical to the straight-side end cover 5, and the middle lower part of the sealing gasket 3 is arranged in a space formed by the inclined flanging cylinder body 1, the straight-side end cover 5 and the inner supporting cylinder body 4; one side of the sealing gasket 3 corresponding to the straight-edge end cover 5 is a plane, one side corresponding to the inclined flanging cylinder 1 is an inclined plane, and the inclination is the same as that of the first inner pressing edge 21.
The outer end of the first inner pressing edge 21 is arc-shaped and flanged outwards.
The hoop 2 is divided into four sections, and the sections are connected by an outer layer steel belt.
The inclination of the first inner pressing edge 21 is 70 degrees.
Staple bolt connection structure, the pressure of one side of staple bolt 2's first interior blank holder 70 is at turn-ups barrel 1 to one side, this barrel turn-ups angle also is 70, the straight flange laminating of turn-ups 22 and straight flange end cover 5 in the second of staple bolt 2, it has seal gasket 3 to fill up between turn-ups barrel 1 and the straight flange end cover 5 to one side, seal gasket relies on interior support barrel 4 to support, interior support barrel 4 passes through welded connection with turn-ups barrel 1 to one side. Under the effect that staple bolt 2 tightens up, oblique turn-ups barrel 1 is compressed tightly with straight flange end cover 5, and seal gasket 3 is extruded to the barrel, reaches sealed effect. The utility model discloses a also can apply to the connection of oblique turn-ups barrel and straight turn-ups barrel.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (4)
1. The hoop structure of the exhaust aftertreatment system is characterized by comprising a hoop (2) and a sealing gasket (3), wherein the hoop (2) comprises a hoop body (23), a first inner pressing edge (21) and a second inner pressing edge (22) which are arranged on the inner side of the hoop body, the first inner pressing edge (21) is used for pressing an oblique flanging cylinder body (1), the second inner pressing edge (22) is used for pressing a straight edge end cover (5), the first inner pressing edge (21) is arranged obliquely to the hoop body (23), the second inner pressing edge (22) is arranged vertically to the hoop body, and the inclination of the first inner pressing edge (21) is the same as that of the oblique flanging cylinder body (1); the lower end of the inclined flanging cylinder (1) is fixedly provided with an inner supporting cylinder (4), the inner supporting cylinder (4) is vertical to the straight-side end cover (5), and the middle lower part of the sealing gasket (3) is arranged in a space formed by the inclined flanging cylinder (1), the straight-side end cover (5) and the inner supporting cylinder (4); one side of the sealing gasket (3) corresponding to the straight-edge end cover (5) is a plane, one side of the sealing gasket corresponding to the inclined flanging cylinder body (1) is an inclined plane, and the inclination of the inclined plane is the same as that of the first inner pressing edge (21).
2. The exhaust aftertreatment system hoop structure of claim 1, wherein the outer end of the first inner blankholder (21) is arcuately flanged outwardly.
3. The exhaust aftertreatment system hoop structure of claim 1, wherein the hoop (2) is divided into four sections, each section being connected by an outer steel band.
4. The exhaust aftertreatment system hoop structure of claim 1, wherein the inclination of the first inner binder (21) is 65-75 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021978173.8U CN213175806U (en) | 2020-09-10 | 2020-09-10 | Hoop structure of exhaust aftertreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021978173.8U CN213175806U (en) | 2020-09-10 | 2020-09-10 | Hoop structure of exhaust aftertreatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213175806U true CN213175806U (en) | 2021-05-11 |
Family
ID=75773961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021978173.8U Active CN213175806U (en) | 2020-09-10 | 2020-09-10 | Hoop structure of exhaust aftertreatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213175806U (en) |
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2020
- 2020-09-10 CN CN202021978173.8U patent/CN213175806U/en active Active
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