CN207332995U - A kind of pipeline cassette tape device - Google Patents
A kind of pipeline cassette tape device Download PDFInfo
- Publication number
- CN207332995U CN207332995U CN201720779407.8U CN201720779407U CN207332995U CN 207332995 U CN207332995 U CN 207332995U CN 201720779407 U CN201720779407 U CN 201720779407U CN 207332995 U CN207332995 U CN 207332995U
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- CN
- China
- Prior art keywords
- cassette tape
- pipeline
- inner ring
- outer shroud
- fixing end
- Prior art date
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Abstract
A kind of pipeline cassette tape device, for clamp connection pipeline, including cassette tape inner ring and the cassette tape outer shroud being sheathed on the outside of cassette tape inner ring, the cassette tape inner ring has two free ends, the cassette tape outer shroud has two free ends, cassette tape outer shroud free end is outward extended with the first fixing end and the second fixing end being connected with the first fixing end, and the outer wall of the inner wall of the cassette tape outer shroud and the cassette tape inner ring fits closely, and the outer wall of the inner wall and the pipeline of the cassette tape inner ring fits closely.The utility model uses the over-surplus fit structure of Double-layer Opening pipe band structure, convex portion and recess, substantially increases the air-tightness and reliability of device, and the device is easy to make, can simplify frock to a certain extent.
Description
Technical field
It the utility model is related to a kind of pipeline cassette tape device.
Background technology
Automobile exhaust system is made of exhaust pipe, catalyst, silencer and tail pipe, so gas exhaust piping can be divided into two sections
Or three sections.Connection between gas exhaust piping needs reliability and all good connection structure of air-tightness.
The connection mode between exhaust pipe mainly has three kinds at present:Welding, flanged joint are connected with cassette tape.The side of being welded to connect
Formula often leads to the maintenance in future and replaces inconvenient, heavy workload;Although flanged joint avoids this problem, but still
Time-consuming puzzlement heavy, difficult to install is not solved.Cassette tape clamp connection is current newest interconnection technique, but it is since it ties
Structure is relatively easy, and air-tightness is difficult to ensure that, still in the jejune stage, it is impossible to reaches the emission request of higher.
Utility model content
The utility model is intended to solve one of technical problem in above-mentioned technology at least to a certain extent.For this reason, this reality
It is to propose a kind of pipeline cassette tape device with new purpose.
A kind of pipeline cassette tape device, for clamp connection pipeline, it is characterised in that including cassette tape inner ring and be sheathed on cassette tape
Cassette tape outer shroud on the outside of inner ring, the cassette tape inner ring have two free ends, and the cassette tape outer shroud has two free ends, cassette tape outer shroud
Free end is outward extended with the first fixing end and the second fixing end being connected with the first fixing end, the cassette tape outer shroud
Inner wall and the outer wall of the cassette tape inner ring fit closely, and the outer wall of the inner wall and the pipeline of the cassette tape inner ring fits closely.
Further, outstanding formation convex portion in the middle part of the one free end of the cassette tape inner ring, another free end concaves
To form the recess coordinated with the convex portion.
Further, it is provided with raised position limiting structure on the cassette tape inner ring side face.
Further, the side face of the cassette tape outer shroud is provided with and the matched limit hole of cassette tape inner ring protrusion position limiting structure.
Further, the axial direction of the cassette tape inner ring is provided at both ends with flange position limiting structure.
Further, the cassette tape exterior ring cap is arranged on the inside of the flange position limiting structure of cassette tape inner ring.
Further, square nut is welded with the second fixing end of institute's cassette tape outer shroud, is offered in the first fixing end and side
The corresponding connecting hole of shape nut.
Further, bolt is by the cooperation of tightening of the connecting hole and square nut, and connects the first fixing end and second solid
Fixed end, the pipeline, cassette tape inner ring and cassette tape outer shroud are fastenedly connected.
Further, the first fixing end of the cassette tape outer shroud and the second fixing end are both provided with groove flange along its outer ring,
The groove flange of first fixing end and the second fixing end is set mutually to abut when being fixedly connected.
Further, kidney slot is offered on the outer circumferential surface of the cassette tape.
The beneficial effects of the utility model are:
A kind of pipeline cassette tape device of the utility model is using Double-layer Opening pipe band structure, double bolts are fixed and ligulate is convex
Over-surplus fit structure is played, the air-tightness of structure is substantially increased, passes through raised position limiting structure, limit hole and flange position limiting structure
Cassette tape reliability of structure has been significantly greatly increased, and the kidney-shaped pore structure of cassette tape outer shroud can mitigate the construction weight well, remove
This, the structure fabrication is convenient, moreover it is possible to simplifies frock to a certain extent.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of pipeline cassette tape device of the utility model;
Fig. 2 is a kind of explosive view of pipeline cassette tape device of the utility model;
Fig. 3 is a kind of cassette tape inner ring structure diagram of pipeline cassette tape device of the utility model;
Fig. 4 is a kind of cassette tape outer ring structure schematic diagram of pipeline cassette tape device of the utility model;
Fig. 5 is a kind of axial view of pipeline cassette tape device of the utility model.
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, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to the utility model
System.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the utility model, " multiple " are meant that at least two, such as two
It is a, three etc., unless otherwise specifically defined.
As shown in Figs. 1-2, a kind of pipeline cassette tape device, for clamp connection pipeline, including cassette tape inner ring 1 and is sheathed on card
Cassette tape outer shroud 2 with the outside of inner ring 1, cassette tape inner ring 1 have two free ends, and the cassette tape outer shroud 2 has two free ends, outside cassette tape
2 free end of ring is outward extended with the first fixing end 21 and the second fixing end 22 being connected with the first fixing end 21, cassette tape
The inner wall of outer shroud 2 and the outer wall of cassette tape inner ring 1 fit closely, and the inner wall of cassette tape inner ring 1 and the outer wall of pipeline fit closely.
Outstanding formation convex portion 13 in the middle part of the one free end of cassette tape inner ring 1, another free end concave with formed with
The recess 14 that convex portion 13 coordinates.
As shown in figure 3, non-close cassette tape inner ring by free end convex portion 13 and recess 14 circumferentially interference fit connection and
Into, optimally, so in assembling, uniform fastening force can be produced around the caliber mouth of exhaust pipe, and be conducive to seal, preferably
Avoid installation formed in gap.
As shown in Figure 1, corresponding limit hole 21 is matched somebody with somebody on raised position limiting structure 11 and cassette tape outer shroud 2 in cassette tape inner ring 1
Connection is closed, optimally, the mating connection of the protrusion position limiting structure 11 and limit hole 21, effectively prevent cassette tape inner ring 1 and cassette tape
The relative motion and relative rotation of outer shroud 2 radially.
The both ends of cassette tape inner ring 1 are additionally provided with flange position limiting structure 12, and optimally, the flange position limiting structure 12 is effectively anti-
Stop relative motion vertically between cassette tape inner ring 1 and cassette tape outer shroud 2, be conducive to fastener band inner ring 1 and cassette tape outer shroud 2
Between be arranged connection.The double limitation effect of raised position limiting structure 11 and flange position limiting structure 12 and effect, ensure that pipeline
Correct rigging position is kept with cassette tape device, so as to avoid coming off and ensure that air-tightness for this cassette tape structure.
As illustrated in figures 4-5, the first fixing end 21 of cassette tape outer shroud 2 and the second fixing end 22 are respectively arranged with recessed along its outer ring
Groove flange 212 and 222, sets fluted flange 221 along its outer ring, is twisted the first fixing end 21 and the second fixing end with bolt 3
Tightly, untill the groove flange 222 of 212 and second fixing end of groove flange of the first fixing end 21 offsets, optimally, the
The groove flange 212 and 222 of one fixing end and the second fixing end offsets, can prevent 3 overtorquing of bolt in assembling process and
The deformation of pipeline is caused, preferably meets the locking requirement of tracheae.
Kidney slot 23 is offered on 2 side face of cassette tape outer shroud, optimally, cassette tape outer shroud 2 sets kidney slot 23 not influence
On the premise of cassette tape intensity, the effect of loss of weight is effectively acted as, is conducive to the lightweight of structure.
Two square nuts 221 are also respectively welded in second fixing end 22 of cassette tape outer shroud, are opened in the first fixing end 21
Equipped with connecting hole 211 corresponding with square nut 221, it is preferable that facilitate connection and fix, simplify assembling process.
During assembling, bolt 3 passes through connecting hole 211 and nut 221, fastens the pipeline cassette tape device.With bolt 3 and nut
221 effect is the adjustable circumferential clamping force for fastening the pipeline cassette tape device, so as to reach more preferable air-tightness and reliability
And pipeline is protected not to be deformed.In assembling process, the flange for first passing through raised position limiting structure 11 and cassette tape inner ring 1 is spacing
Then the 2 spacing fixation of cassette tape inner ring 1 and cassette tape outer shroud is passed through 211 He of connecting hole of 3 and first fixing end of bolt by structure 12
The square nut 221 of second fixing end is connected and tightens, appropriate again at this time to unclamp the bolt 3 and nut 221 for fixing end,
Two pipelines 3 are alignd to assembling respectively in cassette tape device, finally bolt 3 and nut 222 are tightened again, that is, complete assembling.
A kind of pipeline cassette tape device of the utility model is using Double-layer Opening pipe band structure, double bolts 3 are fixed and convex portion
The over-surplus fit structure of 13 recesses 14, substantially increases the air-tightness of device, passes through raised position limiting structure 11, limit hole 23
The reliability of cassette tape device has been significantly greatly increased with flange position limiting structure 12, and the kidney slot 24 of cassette tape outer shroud can mitigate well
The installation weight, except this, the device is easy to make, moreover it is possible to simplifies frock to a certain extent.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to the limitation to the utility model is interpreted as, those of ordinary skill in the art are in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (10)
1. a kind of pipeline cassette tape device, for clamp connection pipeline, it is characterised in that including cassette tape inner ring (1) and be sheathed on card
With the cassette tape outer shroud (2) on the outside of inner ring (1), the cassette tape inner ring (1) has two free ends, and the cassette tape outer shroud (2) has two
Free end, cassette tape outer shroud (2) free end are outward extended with the first fixing end (21) and are connected with the first fixing end (21)
The second fixing end (22), the inner wall of the cassette tape outer shroud (2) and the outer wall of the cassette tape inner ring (1) fit closely, the card
The outer wall of inner wall and the pipeline with inner ring (1) fits closely.
2. a kind of pipeline cassette tape device as claimed in claim 1, it is characterised in that the one of the cassette tape inner ring (1) is free
End middle part is outstanding to form convex portion (13), and another free end concaves to form the recess coordinated with the convex portion (13)
(14)。
3. a kind of pipeline cassette tape device as claimed in claim 1, it is characterised in that set on cassette tape inner ring (1) side face
There is raised position limiting structure (11).
4. a kind of pipeline cassette tape device as claimed in claim 1, it is characterised in that the side face of the cassette tape outer shroud (2) is set
Have and raised position limiting structure (11) the matched limit hole (23) of cassette tape inner ring (1).
A kind of 5. pipeline cassette tape device as claimed in claim 1, it is characterised in that the axial both ends of the cassette tape inner ring (1)
It is provided with flange position limiting structure (12).
6. a kind of pipeline cassette tape device as claimed in claim 1, it is characterised in that the cassette tape outer shroud (2) is sheathed on cassette tape
On the inside of the flange position limiting structure (12) of inner ring (1).
A kind of 7. pipeline cassette tape device as claimed in claim 1, it is characterised in that the second fixing end of institute's cassette tape outer shroud (2)
(22) square nut (221) is welded with, is offered in the first fixing end (21) and square nut (221) corresponding connecting hole
(211)。
8. a kind of pipeline cassette tape device as claimed in claim 7, it is characterised in that bolt (3) passes through the connecting hole (211)
With the cooperation of tightening of square nut (221), the first fixing end of connection (21) and the second fixing end (22), by the pipeline, cassette tape
Inner ring (1) and cassette tape outer shroud (2) are fastenedly connected.
9. a kind of pipeline cassette tape device as claimed in claim 1, it is characterised in that the first of the cassette tape outer shroud (2) is fixed
End (21) and the second fixing end (22) are both provided with groove flange (212,222) along its outer ring, and described first is made when being fixedly connected
The groove flange of fixing end (21) and the second fixing end (22) (212,222) mutually abuts.
10. a kind of pipeline cassette tape device as claimed in claim 1, it is characterised in that opened up on cassette tape outer shroud (2) side face
There is kidney slot (24).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720779407.8U CN207332995U (en) | 2017-06-30 | 2017-06-30 | A kind of pipeline cassette tape device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720779407.8U CN207332995U (en) | 2017-06-30 | 2017-06-30 | A kind of pipeline cassette tape device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207332995U true CN207332995U (en) | 2018-05-08 |
Family
ID=62425978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720779407.8U Active CN207332995U (en) | 2017-06-30 | 2017-06-30 | A kind of pipeline cassette tape device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207332995U (en) |
-
2017
- 2017-06-30 CN CN201720779407.8U patent/CN207332995U/en active Active
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