CN212296589U - Tail gas aftertreatment encapsulation - Google Patents

Abstract

An exhaust aftertreatment package includes an outer shell and a plurality of aftertreatment carrier assemblies. The exhaust aftertreatment package also includes a bracket assembly mounted to the outer housing, wherein the bracket assembly includes a first bracket, a second bracket, and a cable assembly connected to the first bracket and the second bracket. Each set of rope assemblies includes a rope tying the outer case and a mount fixing both ends of the rope to the first bracket and the second bracket, respectively. The mount is provided with a pivot about which the cable can rotate. Compared with the prior art, the utility model discloses a set up the rope that can rotate around the pivot, be convenient for tie up the rope on the shell body better to the reliability of tail gas aftertreatment encapsulation has been improved.

Description

Tail gas aftertreatment encapsulation

The present invention claims priority of chinese patent application having an application date of 21/04/2020, application number of 202020600177.6, entitled "exhaust gas aftertreatment package", the entire contents of which are incorporated herein by reference.

Technical Field

The utility model relates to a tail gas aftertreatment encapsulation belongs to engine exhaust aftertreatment technical field.

Background

Conventional exhaust aftertreatment packages typically include an externally mounted bracket, which is typically welded directly to the housing. Since the vehicle inevitably vibrates during running, the bracket welded to the housing is easily broken due to the vibration.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a higher tail gas aftertreatment of reliability encapsulates.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a tail gas aftertreatment encapsulation, its includes the shell body and is located a plurality of aftertreatment carrier assembly in the shell body, tail gas aftertreatment encapsulation is still including installing bracket component on the shell body, wherein the bracket component includes first support, second support and connects first support with rope assembly on the second support, every group rope assembly is including tying up the rope of shell body and inciting somebody to action the both ends of rope are fixed respectively first support with installed part on the second support, the installed part is equipped with the pivot, the rope can wind the pivot is rotatory.

As a further improved technical solution of the present invention, the outer casing includes a first outer casing, a second outer casing, and a third outer casing located between the first outer casing and the second outer casing, the first outer casing and the third outer casing are welded and formed with a first welding seam extending around the circumferential direction, and the second outer casing and the third outer casing are welded and formed with a second welding seam extending around the circumferential direction; the rope assemblies are two groups and respectively correspond to the first welding seams and the second welding seams.

As a further improved technical solution of the present invention, the exhaust gas aftertreatment package further includes reinforcing tabs disposed at four corners of the outer shell, the reinforcing tabs include two groups and respectively correspond to the first weld seam and the second weld seam; the reinforcing sheet is welded to the corresponding first welding line and the second welding line, and the reinforcing sheet protrudes out of the outer shell.

As a further improved technical proposal of the utility model, each group of rope components comprises two ropes; each reinforcing sheet comprises two grooves arranged at intervals and a welding seam abdicating groove arranged between the two grooves, the grooves are used for positioning corresponding ropes, and the welding seam abdicating groove is used for covering the corresponding first welding seam and the second welding seam.

As a further improved technical solution of the present invention, circumferentially adjacent two of the reinforcing pieces are provided between the rope and the outer shell with a gap therebetween.

As a further improved technical scheme of the utility model, the rope subassembly includes at least part of parcel is in wear-resisting cover on the rope.

As a further improved technical solution of the present invention, the rope assembly includes a wear-resistant sleeve at least partially wrapped on the rope, and the wear-resistant sleeve is at least partially located in the groove; the wear-resistant sleeve is made of plastic fibers or ceramic fibers.

As a further improved technical solution of the present invention, the first bracket and the second bracket are parallel to each other, the bracket assembly further includes a first connecting portion and a second connecting portion connecting the first bracket and the second bracket, the first connecting portion and the second connecting portion are parallel to each other and perpendicular to the first bracket and the second bracket; the end parts of the first support and the second support are respectively provided with an installation part for installing the exhaust gas aftertreatment package on a vehicle body.

As a further improved technical solution of the present invention, each mounting member includes a bolt portion, a head portion located at one end of the bolt portion, two rope fixing portions located at both sides of the head portion, a pin for passing through the head portion and the two rope fixing portions, and a nut engaged with the bolt portion; the head part is provided with a first through hole, the rope fixing part is provided with a second through hole, and the pin penetrates through the first through hole and the second through hole; the head portion and the rope fixing portion are rotatable about the pin as the pivot.

As a further improved technical solution of the present invention, each mounting member further comprises a retainer ring mounted at the end of the pin and a buckle fixed at the end of the pin; the tail end of the pin is provided with a hole, and the buckle penetrates through the hole, so that the pin is prevented from being separated from the first through hole and the second through hole.

As a further improved technical scheme of the utility model, the first bracket and the second bracket are respectively provided with mounting holes matched with corresponding mounting pieces; the number of the nuts is two, and the two nuts are respectively located on two sides of the first support or the second support.

Compared with the prior art, the utility model discloses a set up the rope that can rotate around the pivot, be convenient for tie up the rope on the shell body better to the reliability of tail gas aftertreatment encapsulation has been improved.

Drawings

Fig. 1 is a schematic perspective view of the exhaust aftertreatment package according to the first embodiment of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a left side view of fig. 1.

Fig. 5 is a right side view of fig. 1.

Fig. 6 is a top view of fig. 1.

Fig. 7 is a bottom view of fig. 1.

Fig. 8 is a partially exploded perspective view of fig. 1.

Fig. 9 is a further exploded perspective view of fig. 8.

Fig. 10 is a partially enlarged view of circled portion a in fig. 1.

Fig. 11 is an exploded perspective view of the cord assembly of fig. 10.

Fig. 12 is a schematic sectional view taken along line D-D in fig. 2.

Fig. 13 is a schematic sectional view taken along line F-F in fig. 2.

Fig. 14 is a schematic sectional view taken along line G-G in fig. 2.

Fig. 15 is a schematic sectional view taken along line H-H in fig. 2.

Fig. 16 is a schematic perspective view of the exhaust aftertreatment package of the present invention in a second embodiment.

Fig. 17 is a partially exploded perspective view of fig. 16.

Fig. 18 is a further partially exploded perspective view of fig. 17.

Fig. 19 is a perspective view of the wear sleeve of fig. 18 shown separated from other bracket assemblies.

Detailed Description

The present invention will be described in detail with reference to the drawings, wherein if there are several embodiments, the features of these embodiments can be combined with each other without conflict. When the description refers to the accompanying drawings, like numbers or symbols in different drawings represent the same or similar elements unless otherwise specified. The matters described in the following exemplary embodiments do not represent all embodiments of the present invention, but rather they are merely examples of products consistent with the present invention as recited in the claims of the present invention.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. It should be understood that the terms "first," "second," and the like as used in the description and in the claims of the present invention do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

Referring to fig. 1 to 15, a first embodiment of the present invention discloses an exhaust gas aftertreatment package 100, which includes an outer casing 1, a first baffle 21 and a second baffle 22 disposed in the outer casing 1 at an interval, an intake pipe 31 for entering exhaust gas, an outlet pipe 32 for flowing out exhaust gas, a first aftertreatment carrier component 51, a second aftertreatment carrier component 52, a third aftertreatment carrier component 53, a mixing pipe component 6, and a bracket component 7 mounted on the outer casing 1.

In one embodiment of the present invention, the first aftertreatment support assembly 51 includes a first housing 511 and a Diesel Oxidation Catalyst (DOC)512 enclosed within the first housing 511; the second aftertreatment carrier assembly 52 includes a second housing 521 and a diesel particulate trap (DPF)522 enclosed within the second housing 521; the third aftertreatment carrier assembly 53 includes a third housing 531 and a Selective Catalytic Reduction (SCR)532 encased within the third housing 531. In the illustrated embodiment of the present invention, the third aftertreatment carrier assemblies 53 are two sets arranged side by side.

In an embodiment of the present invention, the outer casing 1 includes a first outer casing 11, a second outer casing 12, and a third outer casing 13 welded and fixed between the first outer casing 11 and the second outer casing 12. The first outer shell 11 and the third outer shell 13 are provided with a first welding seam 131 extending around the circumferential direction, and the second outer shell 12 and the third outer shell 13 are provided with a second welding seam 132 extending around the circumferential direction.

The bracket assembly 7 includes a first bracket 71 and a second bracket 72 arranged in parallel, a first connecting portion 73 and a second connecting portion 74 connecting the first bracket 71 and the second bracket 72, and two sets of rope assemblies 75 detachably connected to the first bracket 71 and the second bracket 72. In the illustrated embodiment of the present invention, the two sets of rope assemblies 75 correspond to the first weld 131 and the second weld 132 of the outer housing 1, respectively.

In the illustrated embodiment of the present invention, the first bracket 71 and the second bracket 72 are respectively provided at their ends with mounting portions 76 for mounting the exhaust gas aftertreatment package 100 to a vehicle body. The first connecting portion 73 and the second connecting portion 74 are parallel to each other and respectively connect the first bracket 71 and the second bracket 72, thereby performing a connecting and reinforcing function. In the illustrated embodiment of the present invention, the first connecting portion 73 and the second connecting portion 74 are welded at both ends to the first bracket 71 and the second bracket 72, respectively; the first connecting portion 73 and the second connecting portion 74 are perpendicular to the first bracket 71 and the second bracket 72. Each set of cable assemblies 75 includes two cables 751 (e.g., steel cables) and mounts 752 securing the ends of the two cables 751 to the first and second brackets 71, 72, respectively. Referring to fig. 10 and 11, the mounting member 752 includes a bolt portion 7521, a head portion 7522 located at one end of the bolt portion 7521, two rope fixing portions 7523 located at both sides of the head portion 7522, a pin 7524 passing through the head portion 7522 and the two rope fixing portions 7523, a retainer ring 7525 mounted at a distal end of the pin 7524, a buckle 7526 fixed at a distal end of the pin 7524, and two nuts 7527 engaged with the bolt portion 7521. The head portion 7522 is provided with a first through hole 7528, the cord fixing portion 7523 is provided with a second through hole 7529, the pin 7524 passes through the first through hole 7528 and the second through hole 7529, the stopper 7525 is attached to the end of the pin 7524, and the stopper 7526 passes through a hole of the pin 7524, thereby preventing the pin 7524 from being separated from the first through hole 7528 and the second through hole 7529 in the axial direction thereof. In the illustrated embodiment of the present invention, the bolt portion 7521 is perpendicular to the pin 7524, and the head portion 7522 and the rope fixing portion 7523 can be appropriately rotated about the pin 7524. The first bracket 71 and the second bracket 72 are respectively provided with mounting holes 711 and 721 matched with the corresponding mounting parts 752. Taking the mounting hole 711 of the first bracket 71 as an example, the two nuts 7527 are respectively located on both sides of the first bracket 71, and the bolt portion 7521 passes through one nut 7527, the mounting hole 711, and the other nut 7527 in this order. By providing the two nuts 7527, the reliability when the bolt portion 7521 is fitted with the nut 7527 can be improved, and the risk of loosening can be reduced.

In the illustrated embodiment of the present invention, the exhaust gas aftertreatment package 100 further includes two sets of reinforcing pieces 14 disposed at four corners of the outer casing 1, and the reinforcing pieces 14 respectively correspond to the first welding line 131 and the second welding line 132 of the outer casing 1. Preferably, the reinforcing sheet 14 is welded to the corresponding first weld 131 and second weld 132; due to the arrangement, on one hand, the structural strength of the four corners is improved; on the other hand, the method is favorable for preventing the welding seam from cracking. In the illustrated embodiment of the present invention, the reinforcing sheet 14 protrudes from the corresponding first outer case 11, second outer case 12, and third outer case 13. Each reinforcing plate 14 comprises two grooves 141 arranged at intervals and a weld abdicating groove 142 arranged between the grooves 141, the grooves 141 are used for positioning two ropes 751, and the weld abdicating groove 142 is used for covering the corresponding first weld 131 or second weld 132. Referring to fig. 1 and 3, since the reinforcing pieces 14 protrude from the corresponding first outer shell 11 and second outer shell 12, when two ropes 751 are installed in place, a gap 15 is formed between two circumferentially adjacent reinforcing pieces 14 and between the corresponding first outer shell 11 and second outer shell 12 of the two ropes 751, that is, the two ropes 751 do not contact the upper surface, the lower surface, the left surface and the right surface of the outer shell 1. By providing the gap 15, the friction area of the rope 751 with the outer shell 1 is reduced, thereby reducing the risk of failure of the rope 751.

Fig. 16 to 19 disclose an exhaust gas aftertreatment package 100 according to a second embodiment of the invention, which differs from the exhaust gas aftertreatment package 100 according to the first embodiment only by the addition of a wear sleeve 750 at least partially wrapped around the rope 751. The wear sleeve 750 is at least partially located within the recess 141. The wear sleeve 750 is resistant to both high temperatures and fretting, for example, it is made of plastic fibers or ceramic fibers. Preferably, the wear sleeve 750 is a self-rolling wear sleeve with an opening on the side to facilitate assembly of the wear sleeve 750 to the rope 751. The utility model discloses an increase wear-resisting cover 750 and can solve the wearing and tearing problem of rope 751 in the use.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical personnel in the technical field, and although the present specification has described the present invention in detail with reference to the above embodiments, the skilled personnel in the art should understand that the technical personnel in the technical field can still modify or substitute the present invention, and all the technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a tail gas aftertreatment encapsulation, its includes the shell body and is located a plurality of aftertreatment carrier assemblies in the shell body, its characterized in that: the tail gas aftertreatment encapsulation is still including installing bracket component on the shell body, wherein the bracket component includes first support, second support and connects first support with rope assembly on the second support, and every group rope assembly is including tying up the rope of shell body and with the both ends of rope are fixed respectively first support with the installed part on the second support, the installed part is equipped with the pivot, the rope can wind the pivot is rotatory.

2. The exhaust aftertreatment package of claim 1, wherein: the outer shell comprises a first outer shell, a second outer shell and a third outer shell positioned between the first outer shell and the second outer shell, the first outer shell and the third outer shell are welded to form a first welding seam extending in the circumferential direction, and the second outer shell and the third outer shell are welded to form a second welding seam extending in the circumferential direction; the rope assemblies are two groups and respectively correspond to the first welding seams and the second welding seams.

3. The exhaust aftertreatment package of claim 2, wherein: the tail gas aftertreatment package further comprises reinforcing pieces arranged at four corners of the outer shell, wherein the reinforcing pieces comprise two groups and respectively correspond to the first welding line and the second welding line; the reinforcing sheet is welded to the corresponding first welding line and the second welding line, and the reinforcing sheet protrudes out of the outer shell.

4. The exhaust aftertreatment package of claim 3, wherein: each group of rope components comprises two ropes; each reinforcing sheet comprises two grooves arranged at intervals and a welding seam abdicating groove arranged between the two grooves, the grooves are used for positioning corresponding ropes, and the welding seam abdicating groove is used for covering the corresponding first welding seam and the second welding seam.

5. The exhaust aftertreatment package of claim 3, wherein: and a gap is formed between the rope and the outer shell between two adjacent reinforcing sheets along the circumferential direction.

6. The exhaust aftertreatment package of claim 1, wherein: the cord assembly includes a wear sleeve at least partially wrapped around the cord.

7. The exhaust aftertreatment package of claim 4, wherein: the rope assembly comprises a wear sleeve at least partially wrapped around the rope, the wear sleeve at least partially positioned within the groove; the wear-resistant sleeve is made of plastic fibers or ceramic fibers.

8. The exhaust aftertreatment package of claim 1, wherein: the first bracket and the second bracket are parallel to each other, the bracket assembly further comprises a first connecting part and a second connecting part which are used for connecting the first bracket and the second bracket, and the first connecting part and the second connecting part are parallel to each other and vertical to the first bracket and the second bracket; the end parts of the first support and the second support are respectively provided with an installation part for installing the exhaust gas aftertreatment package on a vehicle body.

9. The exhaust aftertreatment package of any one of claims 1 to 8, wherein: each mounting piece comprises a bolt part, a head part positioned at one end of the bolt part, two rope fixing parts positioned at two sides of the head part, a pin used for penetrating through the head part and the two rope fixing parts, and a nut matched with the bolt part; the head part is provided with a first through hole, the rope fixing part is provided with a second through hole, and the pin penetrates through the first through hole and the second through hole; the head portion and the rope fixing portion are rotatable about the pin as the pivot.

10. The exhaust aftertreatment package of claim 9, wherein: each mounting piece further comprises a check ring mounted at the tail end of the pin and a buckle fixed at the tail end of the pin; the tail end of the pin is provided with a hole, and the buckle penetrates through the hole, so that the pin is prevented from being separated from the first through hole and the second through hole; the first support and the second support are respectively provided with mounting holes matched with corresponding mounting pieces; the number of the nuts is two, and the two nuts are respectively located on two sides of the first support or the second support.

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