CN207420679U - For the tube sheet connection structure of muffler and with its muffler and exhaust system - Google Patents
For the tube sheet connection structure of muffler and with its muffler and exhaust system Download PDFInfo
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- CN207420679U CN207420679U CN201721227715.6U CN201721227715U CN207420679U CN 207420679 U CN207420679 U CN 207420679U CN 201721227715 U CN201721227715 U CN 201721227715U CN 207420679 U CN207420679 U CN 207420679U
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- pipeline
- muffler
- sleeve
- variant part
- tube sheet
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Abstract
The utility model discloses a kind of tube sheet connection structure for muffler and with its muffler and exhaust system, include partition plate and pipeline for the tube sheet connection structure of muffler, the partition plate includes clapboard body and sleeve, the clapboard body is equipped with through hole, and the periphery of one end of the sleeve is along the periphery with the through hole along being connected；The peripheral wall of the pipeline is equipped with variant part, and the sleeve is set in outside the pipeline, and at least one in sleeve and pipeline has variant part, and variant part is configured to by deforming come connecting line and partition plate.Tube sheet connection structure according to the present utility model for muffler, pass through at least one setting variant part in sleeve and pipeline, and pass through the deformation realization pipeline of variant part and the connection of partition plate, and this connection mode does not use the connection mode of welding, reduce production cost, it is simple in structure and good for the tube sheet connection structure corrosion resistance of muffler, there is longer service life.
Description
Technical field
The utility model is related to muffler manufacturing fields, and knot is connected in particular to a kind of tube sheet for muffler
Structure and with its muffler and exhaust system.
Background technology
In correlation technique, the main material of muffler is stainless steel material.In muffler, pipeline, partition plate pass through welding
It is fixed together, but since muffler internal condition is very severe, high temperature, high humidity, and the liquid that is corrosive.Cause muffler
Welding position easily gets rusty, of long duration that muffler generation rust will be caused to wear, and abnormal sound is generated inside muffler or even loses noise reduction work(
Energy.In production, a large amount of welding wires will be wasted using welding manner fixation, increases production cost.
Utility model content
The utility model is intended at least solve one of technical problem in the prior art.For this purpose, the utility model carries
Go out a kind of tube sheet connection structure for muffler, the tube sheet connection structure good fixing effect for muffler.
The utility model also proposes a kind of muffler for including the above-mentioned tube sheet connection structure for muffler.
The utility model also proposes a kind of exhaust system with above-mentioned muffler.
In including for the tube sheet connection structure of muffler for the utility model first aspect embodiment：Partition plate, it is described every
Plate includes clapboard body and sleeve, and the clapboard body is equipped with through hole, the periphery edge and the through hole of one end of the sleeve
Periphery along be connected；Pipeline, the sleeve are set in outside the pipeline, and at least one in the sleeve and the pipeline has
Variant part, the variant part are configured to connect the pipeline and the partition plate by deforming.
Tube sheet connection structure according to the present utility model for muffler, by least one in sleeve and pipeline
Equipped with variant part, and by the deformation realization pipeline of variant part and the connection of partition plate, and this connection mode does not use welding
Connection mode, reduce production cost, it is simple in structure, and for muffler tube sheet connection structure corrosion resistance it is good, have compared with
Long service life.
In the utility model, the sleeve and the pipeline are respectively provided with variant part, the variant part of the sleeve with it is described
The variant part of pipeline coordinates to connect the pipeline and the partition plate, so as to connect and fix pipeline with partition plate.
In the utility model, spinning is carried out to the sleeve to form the change of the variant part of the sleeve and the pipeline
Shape portion, the equipment using the processing technology of spinning is simple, so that processing is more convenient.
Optionally, tube expansion is carried out to the pipeline to form the variant part of the variant part of the sleeve and the pipeline, this
The mode of kind machine-shaping is simple, easy to operation, without welding, saves production cost.
Further, the variant part is by the concave portion that is formed as outwardly protrusion or inwardly concaves,
So as to carry out /V to sleeve and pipeline, fix partition plate and pipeline.
Further, the protrusion is convex hole, and the convex hole is described in along the sleeve and the pipeline
At least one circumferentially extending one is enclosed, consequently facilitating the connection and fixation of partition plate and pipeline.
Optionally, the protrusion includes multiple convex closures, and multiple convex closures are along the institute in the sleeve and the pipeline
State it is at least one be provided at circumferentially spaced, consequently facilitating the connection and fixation of partition plate and pipeline.
Optionally, the female portion be recessed ring, the female ring described in along the sleeve and the pipeline at least
The circumferentially extending one of one is enclosed, and recessed ring can play the role of /V, consequently facilitating the connection and fixation of partition plate and pipeline.
Optionally, the female portion includes multiple pits, and multiple pits are along the institute in the sleeve and the pipeline
State it is at least one be provided at circumferentially spaced, multiple pits can play the role of /V, consequently facilitating the connection of partition plate and pipeline
And fixation.
In the utility model, the pipeline has the variant part, and the variant part is two, and the variant part is located at
On the peripheral wall of the pipeline, on the extending direction of the pipeline, the sleeve and the clapboard body are folded in described in two
Between variant part, so as to by two variant parts by sleeve and clapboard body sandwiched and fixation.
In the utility model, each variant part is by being formed as outwardly protrusion, an institute
Stating protrusion includes multiple first convex closures, multiple first convex closure being provided at circumferentially spaced along the pipeline, another described protrusion
Portion includes multiple second convex closures, and multiple second convex closure being provided at circumferentially spaced along the pipeline are cut in vertical with the pipeline
On face, the projection and the projection of multiple second convex closures of multiple first convex closures are arranged alternately along the circumferential direction of the pipeline, so as to increase
Add the intensity of pipeline and partition plate junction, more effectively partition plate is fixed.
Optionally, two protrusions are formed by expansion tube process.
In the utility model, the sleeve is integrally formed with the clapboard body, and integrally formed processing method is simple
Efficiently, and save production cost.
According to the muffler of the utility model second aspect embodiment, the tube sheet connection structure including being used for muffler is led to
The tube sheet connection structure set for muffler is crossed, so as to not use the connection mode of welding, reduces production cost, structure letter
It is single, and the tube sheet connection structure corrosion resistance of muffler is good, extends the service life of muffler.
According to the exhaust system of the utility model third aspect embodiment, including the muffler, by setting muffler,
The risk of exhaust system internal corrosion is reduced, so as to increase the service life of exhaust system, and has saved production cost.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment
Become apparent and be readily appreciated that, wherein：
Fig. 1 is the structure diagram according to the tube sheet connection structure for muffler of the utility model；
Fig. 2 is the partial enlarged view of A in Fig. 1；
Fig. 3 is the structure diagram according to the partition plate of the utility model；
Fig. 4 is structural representation Fig. 1 according to the pipeline of the utility model；
Fig. 5 is structural representation Fig. 2 according to the pipeline of the utility model；
Fig. 6 is the pipe section schematic diagram 1 according to the utility model；
Fig. 7 is the pipe section schematic diagram 2 according to the utility model；
Fig. 8 is the pipe section schematic diagram 3 according to the utility model.
Reference numeral：
Tube sheet connection structure 100 for muffler,
Partition plate 1, clapboard body 11, sleeve 12,
Pipeline 2, the first protrusion 21, the first convex closure 211, the first convex hole 212, the second protrusion 22, the second convex closure
221st, the second convex hole 222,
Variant part 3, protrusion 31, concave portion 32.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and it is not intended that the utility model
Limitation.
In the description of the utility model, it is to be understood that the orientation of instructions such as term "left", "right", " circumferential direction " or
Position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of description the utility model and simplifies description,
Rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and operation, because
This is it is not intended that limitation to the utility model.In addition, define " first ", the feature of " second " can be expressed or imply
Ground includes one or more this feature.In the description of the utility model, unless otherwise indicated, " multiple " are meant that two
It is a or more than two.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；It can be mechanical connection；It can be directly connected.It for the ordinary skill in the art, can be with concrete condition
Understand concrete meaning of the above-mentioned term in the utility model.
The tube sheet connection structure 100 for muffler according to the utility model embodiment is described below with reference to Fig. 1-Fig. 8,
Partition plate 1 and pipeline 2 are included according to the tube sheet connection structure 100 for muffler of the utility model embodiment.
As shown in Figure 4 and Figure 5, partition plate 1 includes clapboard body 11 and sleeve 12, and clapboard body 11 is equipped with through hole, sleeve
Along the periphery with through hole along being connected, connection mode connects for arc transition for the periphery of 12 one end, such to set so that partition plate 1
Structure it is more secured.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, sleeve 12 is set in outside pipeline 2, at least one in sleeve 12 and pipeline 2
With variant part 3, variant part 3 is configured to by deforming come connecting line 2 and partition plate 1, i.e. pipeline 2 and partition plate 1 passes through deformation
The deformation realization in portion 3 is connected and fixed to together.
In some embodiments, as shown in Figure 6 and Figure 7, the tube sheet connection structure 100 for muffler can be sleeve 12
Variant part 3 is respectively provided with pipeline 2, i.e., sleeve 12 is equipped with the variant part 3 of sleeve 12, and pipeline 2 is equipped with the variant part 3 of pipeline 2, set
The variant part 3 of cylinder 12 can coordinate with the variant part 3 of pipeline 2 with connecting line 2 and partition plate 1, so as to by pipeline 2 and partition plate 1
It connects and fixes.
It optionally, can be by set according to the tube sheet connection structure 100 for muffler of the utility model embodiment
Cylinder 12 carries out spinning to form the variant part 3 of the variant part 3 of sleeve 12 and pipeline 2, and the equipment using rotary pressing processing technique is simple,
So that processing is more convenient.It is understood that spinning is application pressure from the outside of sleeve 12 to sleeve 12.
It optionally, can be to pipeline 2 according to the tube sheet connection structure 100 for muffler of the utility model embodiment
Tube expansion is carried out to form the variant part 3 of the variant part 3 of sleeve 12 and pipeline 2, the mode of this machine-shaping is simple, convenient for behaviour
Make, without welding, save production cost.It is understood that tube expansion is application pressure from the inside of pipeline 2 to pipeline 2.
In further embodiments, the tube sheet connection structure 100 for muffler can also be in sleeve 12 and pipeline 2
One has variant part 3；Certainly, variant part 3 can also be multiple.
Specifically, as shown in Figure 4 and Figure 5, pipeline 2 is equipped with variant part 3, and variant part 3 is two, and variant part 3 is located at pipeline 2
Peripheral wall on, on the extending direction of pipeline 2, sleeve 12 and clapboard body 11 are folded between two variant parts 3, variant part 3
Have position-limiting action to sleeve 12, so as to by two variant parts 3 by sleeve 12 and 11 sandwiched of clapboard body and fixation.
Optionally, variant part 3 can by the concave portion 32 that forms the protrusion 31 of outwardly convex or inwardly concave,
So as to carry out /V to sleeve 12 and pipeline 2, sleeve 12 is made to connect fixation by the deformation of variant part 3 with pipeline 2.
Specifically, as shown in fig. 6, sleeve 12 and pipeline 2 are equipped with variant part 3, variant part 3 is by forming convex
The protrusion 31 risen, so that 12 opposing lines 2 of sleeve are fixed；As shown in fig. 7, sleeve 12 and pipeline 2 are equipped with variant part 3,
Variant part 3 is by deforming the concave portion 32 for being formed and being inwardly concaved, so that 12 opposing lines 2 of sleeve are fixed.
Further, in some optional embodiments of the utility model, as shown in fig. 6, protrusion 31 can be convex
Go out ring, for convex hole along the circumferentially extending one of its component (i.e. sleeve 12 and pipeline 2 is at least one) is set to enclose, convex hole can be with
Play the role of /V, consequently facilitating the connection and fixation of partition plate 1 and pipeline 2.
In other optional embodiments of the utility model, as shown in figure 8, protrusion 31 can also include it is multiple convex
Bag, multiple convex closures are provided at circumferentially spaced along its component (i.e. at least one's in sleeve 12 and pipeline 2) of setting, multiple convex closures
It can play the role of /V, consequently facilitating the connection and fixation of partition plate 1 and pipeline 2.
In the other optional embodiment of the utility model, as shown in fig. 7, concave portion 32 can be recessed ring, it is recessed
Enter ring along the circumferentially extending one of its component (i.e. at least one in sleeve 12 and pipeline 2) is set to enclose, recessed ring can play
The effect of /V, consequently facilitating the connection and fixation of partition plate 1 and pipeline 2.
In some other optional embodiment of the utility model, concave portion 32 can include multiple pits, multiple recessed
Along being provided at circumferentially spaced for its component (i.e. at least one in sleeve 12 and pipeline 2) is set, multiple pits can play in hole
The effect of /V, consequently facilitating the connection and fixation of partition plate 1 and pipeline 2.
It is understood that pit is respectively provided with position-limiting action with convex closure, recessed ring and convex hole, it can be to partition plate 1 and pipe
2 /V of road, and partition plate 1 and pipeline 2 are fixed.
In some specific embodiments as shown in Figure 4 and Figure 5, two variant parts 3 on pipeline 2 can pass through change
Shape forms the protrusion 31 of outwardly convex, i.e., is set on pipeline 2 there are two protrusion 31, is respectively that the first protrusion 21 and second is convex
Go out portion 22, under the first protrusion 21 of pipeline 2 and the collective effect of the second protrusion 22, make partition plate 1 in the lateral direction by
To the position-limiting action of pipeline 2, so as to which partition plate 1 is fixed between the first protrusion 21 and the second protrusion 22.
Optionally, two protrusions 31 can be formed by expansion tube process, and the mode of this machine-shaping is simple, convenient for behaviour
Make, without welding, save production cost.That is, it is connected according to the tube sheet for muffler of the utility model embodiment
Structure 100 can carry out tube expansion to form the first protrusion 21 and the second protrusion 22 to pipeline 2.
It is understood that in process, partition plate 1 is set on pipeline 2 first, and fixture can be used by partition plate
1 is fixed on corresponding position, and expansion tube process workpiece is stretched into pipeline 2, and is added at precalculated position (at sleeve 12 in pipeline 2)
Work goes out the first protrusion 21 and the second protrusion 22, takes out expansion tube process workpiece after machining.
As shown in Fig. 1, Fig. 5 and Fig. 8, on the extending direction of pipeline 2, it is convex that clapboard body 11 and sleeve 12 are folded in first
Go out between 21 and second protrusion 22 of portion, i.e., the first protrusion 21 is only supported in one end of sleeve 12, and the periphery wall of through hole only supports second
Protrusion 22, the periphery wall of through hole are a part for clapboard body 11.
Such structure setting, the first protrusion 21 and the second protrusion 22 have good position-limiting action to partition plate 1, so as to
Partition plate 1 is fixed on by sandwiched between the first protrusion 21 of pipeline 2 and the second protrusion 22.
Optionally, as shown in figure 5, the first protrusion 21 can be the first convex hole 212, the first convex hole 212 is along pipeline 2
Circumferentially extending one enclose, make partition plate 1 that can not be moved to the left, it is and simple in structure so as to have good position-limiting action to partition plate 1,
Convenient for manufacture.
It is understood that the setting of 212 position of the first convex hole is needed by the higher design of precision, so as to every
Plate 1 has accurate and effective position-limiting action.
As shown in figure 5, optionally, the second protrusion 22 can be the second convex hole 222, and the second convex hole 222 is along pipeline 2
Circumferentially extending one enclose, make partition plate 1 that can not move right, it is and simple in structure so as to have good position-limiting action to partition plate 1,
Convenient for manufacture.
It is understood that the setting of 222 position of the second convex hole is needed by the higher design of precision, so as to every
Plate 1 has accurate and effective position-limiting action.
As illustrated in figures 1 and 8, in some embodiments of the utility model, the first protrusion 21 can include multiple the
One convex closure 211, multiple being provided at circumferentially spaced along pipeline 2 of first convex closure 211, and uniform intervals between multiple first convex closures 211
It sets.The setting of first convex closure 211 better assures that the intensity of 2 structure of pipeline, and the setting of multiple first convex closures 211 make every
Plate 1 can not be moved to the left, so as to which while the intensity of pipeline 2 is ensured, /V is carried out to partition plate 1, and it is simple in structure, convenient for system
It makes.
It is understood that the first convex hole 212 is identical with the effect of the first convex closure 211, and the first protrusion 21
Setting position be the other end for being only against 1 upper bush 12 of partition plate.
As illustrated in figures 1 and 8, in the other embodiment of the utility model, the second protrusion 22 can also include more
A second convex closure 221, multiple being provided at circumferentially spaced along pipeline 2 of second convex closure 221, and between multiple second convex closures 221 uniformly
It is arranged at intervals.The setting of second convex closure 221 better assures that the intensity of 2 structure of pipeline, and the setting of multiple second convex closures 221
Make partition plate 1 that can not move right, so as to which while the intensity of pipeline 2 is ensured, /V is carried out to partition plate 1, and it is simple in structure, just
In manufacture.
It is understood that the second convex hole 222 is identical with the effect of the second convex closure 221, and the second protrusion 22
Setting position be the one end for being only against through hole periphery wall on partition plate 1.
It should be noted that the structure of the first protrusion 21 and the second protrusion 22 is not fixed, it can be by the first protrusion
21 are arranged to the first convex hole 212, and the second protrusion 22 is arranged to the second convex hole 222；Or the first protrusion 21 is arranged to
First convex hole 212, the second protrusion 22 are arranged to multiple second convex closures 221；Or the first protrusion 21 is arranged to multiple
One convex closure 211, the second protrusion 22 are arranged to the second convex hole 222；Or the first protrusion 21 is arranged to multiple first convex closures
211, the second protrusion 22 is arranged to multiple second convex closures 221.The setting of 22 structure of first protrusion 21 and the second protrusion can
It sets according to actual needs, it can be there are many different combinations.
Optionally, the shape of the first convex closure 211 and the second convex closure 221 can be hemispherical, it is simple in structure and convenient for manufacture.
In a specific embodiment as shown in Figure 8, variant part 3 there are two tools, each variant part 3 are logical on pipeline 2
It crosses and forms outwardly protrusion 31, i.e. two protrusions 31 respectively the first protrusion 21 and the second protrusion 22,
One protrusion 31 (i.e. the first protrusion 21) can include multiple first convex closures 211, and multiple first convex closures 211 are along pipeline 2
It is provided at circumferentially spaced, another protrusion 31 (the second protrusion 22) includes multiple second convex closures 221, multiple second convex closures 221
Along being provided at circumferentially spaced for pipeline 2, on the section vertical with pipeline 2, the projection of multiple first convex closures 211 and multiple second convex
The projection of bag 221 is arranged alternately along the circumferential direction of pipeline 2.
It is understood that be alternatively set as, on the section of pipeline 2, the projection of adjacent first convex closure 211 of any two
Between set projection there are one the second convex closure 221, set between the projection of two the second convex closures 221 of arbitrary neighborhood convex there are one first
The projection of bag 211, so as to increase the intensity of pipeline 2 and 1 junction of partition plate, more effectively fixes partition plate 1.
Further, as shown in figure 8, the first protrusion 21 includes three the first convex closures 211, in the vertical section of pipeline 2
On, three 211 uniform intervals of the first convex closure are set, i.e., each first convex closure 211 and section circle center line connecting, every two adjacent connection lines
Between angle α be equal (i.e. angle is 120 °)；Second protrusion 22 includes three the second convex closures 221, vertical in pipeline 2
On section, three 221 uniform intervals of the second convex closure are set, i.e., each second convex closure 221 and section circle center line connecting, every two adjacent
Angle between line is equal (i.e. angle is 120 °).First convex closure 211 is identical with 221 structure of the second convex closure, three second
Projection of the convex closure 221 on 2 vertical cross-section of pipeline, respectively between two adjacent first convex closures 211, by two the first convex closures
Camber line on 211 places section is divided equally.
It is understood that the second convex closure 221 and section circle center line connecting, the first convex closure 211 and section circle center line connecting, every two
Angle β equal (being 60 °) between the adjacent line of item.
It is understood that the first convex closure 211 can set multiple, and the first convex closure 211 uniform intervals on pipeline 2 are set
It puts, the second convex closure 221 can be identical with 211 numbers of the first convex closure, and projection uniform intervals of each second convex closure 221 on section
It is arranged between two the first adjacent convex closures 211, so as to enhance the intensity of 1 junction of pipeline 2 and partition plate.
According to the tube sheet connection structure 100 for muffler of the utility model embodiment, by sleeve 12 and pipeline 2
In it is at least one be equipped with variant part 3, and the connection of pipeline 2 and partition plate 1 is realized by the deformation of variant part 3, and this company
It connects mode and does not use welding manner, reduce production cost, it is simple in structure, and for the 100 anti-corruption of tube sheet connection structure of muffler
Corrosion can be good, has longer service life.
In some embodiments of the utility model, sleeve 12 and clapboard body 11 are integrally formed, and sleeve 12 and partition plate
The junction of body 11 is connected by arc transition, and integrally formed processing method is simple and efficient, and saves production cost.
Muffler according to the present utility model is described below, muffler according to the present utility model is included for muffler
Tube sheet connection structure 100, by setting the tube sheet connection structure 100 for muffler, so as to reduce production cost, structure letter
It is single, and the tube sheet connection structure corrosion resistance of muffler is good, extends the service life of muffler.
Exhaust system according to the present utility model is described below, exhaust system according to the present utility model includes above-mentioned disappear
Sound device by setting muffler, reduces the risk of exhaust system internal corrosion, so as to increase the service life of exhaust system,
And production cost is saved.
Optionally, exhaust system can be the exhaust system of the engine of vehicle, so as to which engine can have more well
Exhaust performance.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can in an appropriate manner combine in any one or more embodiments or example.
While there has been shown and described that the embodiment of the utility model, it will be understood by those skilled in the art that：
In the case where not departing from the principle and objective of the utility model can these embodiments be carried out with a variety of variations, modification, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (13)
1. a kind of tube sheet connection structure (100) for muffler, which is characterized in that including：
Partition plate (1), the partition plate (1) include clapboard body (11) and sleeve (12), and the clapboard body (11) is equipped with through hole,
The periphery of one end of the sleeve (12) is along the periphery with the through hole along being connected；
Pipeline (2), the sleeve (12) are set in the pipeline (2) outside, in the sleeve (12) and the pipeline (2) at least
One has variant part (3), and the variant part (3) is configured to connect the pipeline (2) and the partition plate by deforming
(1)。
2. the tube sheet connection structure (100) according to claim 1 for muffler, which is characterized in that the sleeve
(12) and the pipeline (2) is respectively provided with variant part (3), the variant part (3) of the sleeve (12) and the variant part of the pipeline (2)
(3) coordinate to connect the pipeline (2) and the partition plate (1).
3. the tube sheet connection structure (100) according to claim 2 for muffler, which is characterized in that the sleeve
(12) spinning is carried out to form the variant part (3) of the variant part of the sleeve (12) (3) and the pipeline (2).
4. the tube sheet connection structure (100) according to claim 2 for muffler, which is characterized in that the pipeline
(2) tube expansion is carried out to form the variant part (3) of the variant part of the sleeve (12) (3) and the pipeline (2).
5. the tube sheet connection structure (100) according to claim 2 for muffler, which is characterized in that the variant part
(3) concave portion (32) by being formed as outwardly protrusion (31) or inwardly concaving.
6. the tube sheet connection structure (100) according to claim 5 for muffler, which is characterized in that the protrusion
(31) for convex hole, the convex hole is along at least one circumferentially extending in the sleeve (12) and the pipeline (2)
One circle；Or
The protrusion (31) includes multiple convex closures, and multiple convex closures are along the institute in the sleeve (12) and the pipeline (2)
State at least one be provided at circumferentially spaced.
7. the tube sheet connection structure (100) according to claim 5 for muffler, which is characterized in that the female portion
(32) for recessed ring, the female ring is along at least one circumferentially extending in the sleeve (12) and the pipeline (2)
One circle；Or
The female portion (32) includes multiple pits, and multiple pits are along the institute in the sleeve (12) and the pipeline (2)
State at least one be provided at circumferentially spaced.
8. the tube sheet connection structure (100) according to claim 1 for muffler, which is characterized in that the pipeline (2)
With the variant part (3), the variant part (3) is two, and the variant part (3) is located on the peripheral wall of the pipeline (2),
On the extending direction of the pipeline (2), the sleeve (12) and the clapboard body (11) are folded in two variant parts (3)
Between.
9. the tube sheet connection structure (100) according to claim 8 for muffler, which is characterized in that each change
By being formed as outwardly protrusion (31), it is convex that a protrusion (31) includes multiple first in shape portion (3)
It wraps (211), multiple first convex closure (211) being provided at circumferentially spaced along the pipeline (2), another described protrusion (31) includes
Multiple second convex closures (221), multiple second convex closure (221) being provided at circumferentially spaced along the pipeline (2), with the pipeline
(2) on vertical section, the projections of the projection of multiple first convex closures (211) and multiple second convex closures (221) is along the pipeline (2)
Circumferential direction be arranged alternately.
10. the tube sheet connection structure (100) according to claim 9 for muffler, which is characterized in that two described convex
Go out portion (31) to be formed by expansion tube process.
11. the tube sheet connection structure (100) according to claim 1 for muffler, which is characterized in that the sleeve
(12) it is integrally formed with the clapboard body (11).
12. a kind of muffler, which is characterized in that including the pipe for muffler according to any one of claim 1-11
Board connecting structure (100).
13. a kind of exhaust system, which is characterized in that including muffler according to claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721227715.6U CN207420679U (en) | 2017-09-22 | 2017-09-22 | For the tube sheet connection structure of muffler and with its muffler and exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721227715.6U CN207420679U (en) | 2017-09-22 | 2017-09-22 | For the tube sheet connection structure of muffler and with its muffler and exhaust system |
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| Publication Number | Publication Date |
|---|---|
| CN207420679U true CN207420679U (en) | 2018-05-29 |
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ID=62312791
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721227715.6U Active CN207420679U (en) | 2017-09-22 | 2017-09-22 | For the tube sheet connection structure of muffler and with its muffler and exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207420679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701277A (en) * | 2017-09-22 | 2018-02-16 | 宝沃汽车（中国）有限公司 | For muffler tube sheet attachment structure and there is its muffler and gas extraction system |
-
2017
- 2017-09-22 CN CN201721227715.6U patent/CN207420679U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701277A (en) * | 2017-09-22 | 2018-02-16 | 宝沃汽车（中国）有限公司 | For muffler tube sheet attachment structure and there is its muffler and gas extraction system |
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Effective date of registration: 20191025 Address after: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee after: Beiqi Futian Automobile Co., Ltd. Address before: 100102 building, No. 1, 2 Tong Tung Avenue, Chaoyang District, Beijing Patentee before: Baowa Automobile (China) Co., Ltd. |
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| TR01 | Transfer of patent right |