CN215060280U - Deformable connecting piece - Google Patents
Deformable connecting piece Download PDFInfo
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- CN215060280U CN215060280U CN202023169747.XU CN202023169747U CN215060280U CN 215060280 U CN215060280 U CN 215060280U CN 202023169747 U CN202023169747 U CN 202023169747U CN 215060280 U CN215060280 U CN 215060280U
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- sleeve
- deformable
- gasket
- limiting part
- pressing
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Abstract
The utility model discloses an adopt metal material to make, can be applicable to the automobile emission test in connect the vehicle exhaust pipe mouth to the orificial deformable connecting piece of emission equipment sampling, by first sleeve pipe, second sleeve pipe, third sleeve pipe respectively 1, the liner, press the cover and the deformation body respectively 2 constitute. The outer diameter of the right end of the second sleeve is matched with the inner diameter of the left end of the third sleeve, the length deformation is realized by lengthening or shortening, and the angle deformation is realized by rotating; the second sleeve and the third sleeve are matched into a whole and then inserted into the first sleeve, and the limiting blocks positioned on the second sleeve and the third sleeve are limited by the gaskets to prevent falling off and form a whole; the outer diameter of the pressing sleeve is in threaded connection with the inner diameter of the first sleeve, the pressing sleeve and the gasket can extrude the deformable body together after rotation, and the deformable body deforms after extrusion, so that sealing is achieved. The utility model discloses a deformable connecting piece adopts metal material to make, and the purpose avoids traditional silica gel connecting piece release granule to influence the vehicle emission test result degree of accuracy.
Description
Technical Field
The utility model relates to an automotive filed especially relates to an adopt metal material to make, can be applicable to the automobile emission test in connect the vehicle exhaust pipe mouth to the orificial length of emission equipment sampling can adjust, the angle can be rotatory deformable connecting piece.
Background
In the vehicle emission test, the traditional silicone tube used in the test can generate particles under the action of high temperature of exhaust, so that the PM and PN measurement results are inaccurate. In order to solve the problem that the traditional silicone tube influences the vehicle emission test, the silicone tube is usually replaced by a stainless steel tube with a smooth and clean inner surface and high temperature resistance. The starting point of the stainless steel pipe is a vehicle exhaust pipe opening, and the positions of different vehicle exhaust pipe openings in a laboratory are different; the stainless steel pipe end point is the sampling port of discharge apparatus, and the position of sampling port in the laboratory is fixed. To achieve this, it is necessary to design a deformable connecting member that can be made of metal.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a can adopt the metal to make, can be applicable to the deformable connecting piece that connecting vehicle exhaust pipe mouth to emission equipment sampling mouth of pipe length and angle homoenergetic adjusted among the automobile emission test.
In order to solve the technical problem, the utility model provides a but deformation connecting piece adopts metal material to make, can be applicable to and connect the vehicle exhaust mouth of pipe to emission equipment sampling mouth of pipe among the car emission test, include:
the inner wall of a first end opening of the first sleeve 1 is provided with a first limiting part 1.1, and the inner wall of a second end opening of the first sleeve is provided with a second limiting part 1.2;
the first liner 2 and the second liner 3 are respectively arranged from the left end and the right end of the first sleeve 1 and are respectively tightly attached to the first limiting part 1.1 and the second limiting part 1.2;
the first pressing sleeve 4 and the second pressing sleeve 5 are screwed from the left end and the right end of the first sleeve 1 through threads respectively and respectively act together with the first gasket 2 and the second gasket 3 to extrude the first deformable piece 8 and the second deformable piece 9;
a first end pipe orifice of the second sleeve 6 is inserted into a left end pipe orifice of the third sleeve 7 through the first gasket 2 and the first pressing sleeve 4, and the outer diameter of the second sleeve is matched with the inner diameter of the third sleeve 7; in addition, the outer diameter of the sleeve is provided with a limiting block and is limited by the first liner 2 to prevent the first liner from falling off from the left port of the first sleeve 1;
a first end pipe orifice of the third sleeve 7 is inserted into a right end pipe orifice of the second sleeve 6 through the second gasket 3 and the second pressing sleeve 5, and the inner diameter of the third sleeve is matched with the outer diameter of the second sleeve 6; the outer diameter of the sleeve is provided with a limiting block and is limited by a second liner 3 to prevent the sleeve from falling off from the right port of the first sleeve 1;
the first deformable piece 8 is arranged between the first gasket 2 and the first pressing sleeve 4 and can seal a gap between the inner diameter of the left end of the first sleeve 1 and the outer diameter of the second sleeve 6 after being extruded;
and the second deformable piece 9 is arranged between the second gasket 3 and the second pressing sleeve 5 and can seal a gap between the inner diameter of the right end of the first sleeve 1 and the outer diameter of the third sleeve 7 after being extruded.
Optionally, the deformable connecting element is further modified, and the first limiting part 1.1 and the second limiting part 1.2 are annular step structures formed on the inner wall of the first sleeve 1.
Optionally, the deformable connecting member is further improved, further comprising:
and the third limiting part 4.1 is arranged at the pipe orifice at the second end of the pressing sleeve 4 and can limit the length of the pressing sleeve 4 inserted into the first sleeve 1.
Optionally, the deformable connecting member is further improved, further comprising:
the fourth limiting part 5.1 is welded with the second sleeve 6 into a whole and can be limited by the pipe orifice at the right end of the first gasket 2 to be axially separated from the first sleeve 1.
Optionally, the deformable connecting member is further improved, further comprising:
and a fifth limiting part 6.1 which is arranged on the outer diameter wall of the right end of the second sleeve 6 and can limit the length of the second sleeve 6 inserted into the third sleeve 7 with the left end face of the third sleeve 7.
Optionally, the deformable connecting member is further improved, further comprising:
and the seventh limiting part 7.1 is welded with the third sleeve 7 into a whole and can be limited by the left end pipe orifice of the liner 3 to be axially separated from the first sleeve 1.
Optionally, the deformable connecting member is further improved, further comprising:
and an eighth limiting part 7.2 which is arranged on the inner side wall of the left end of the third sleeve 7 and is matched with the pipe orifice of the right end of the second sleeve 6 to limit the length of the second sleeve 6 inserted into the third sleeve 7.
Optionally, the deformable connecting piece is further improved, and the first sleeve 1 is connected with the pressing pieces 4 and 5 through threads;
alternatively, the deformable connecting member may be further modified in that the first and second deformable members 8 and 9 are annular bodies.
Alternatively, the deformable connecting member may be further modified in that the first and second deformable members 8 and 9 are annular bodies.
Alternatively, the deformable connecting member, the first deformable member 8 and the second deformable member 9, may be made of copper or a copper alloy.
The utility model discloses theory of operation and technological effect as follows:
the second sleeve and the third sleeve of the deformable connecting piece are sections of connecting pipelines from the exhaust pipe orifice of the vehicle to the sampling port of the emission equipment. The outer diameter of the right end of the second sleeve is matched with the inner diameter of the left end of the third sleeve, the length deformation is realized by lengthening or shortening, and the angle deformation is realized by rotating; the second sleeve and the third sleeve are matched into a whole and then inserted into the first sleeve, and the limiting blocks positioned on the second sleeve and the third sleeve are limited by the gaskets to prevent falling off and form a whole; the outer diameter of the pressing sleeve is in threaded connection with the inner diameter of the first sleeve, the pressing sleeve and the gasket can extrude the deformable part together after rotation, and the deformable part deforms after extrusion, so that sealing is achieved. The utility model discloses a deformable connecting piece can adopt metal material to make, can be suitable for from the vehicle exhaust pipe mouth to the length and the angle modulation of the connection hard tube of emission equipment sample connection, and the purpose is avoided silicone tube connecting piece release granule to influence the vehicle emission test result degree of accuracy.
Drawings
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a third embodiment of the present invention.
Description of the reference numerals
First limiting part 1.1
Second limiting part 1.2
Third limiting part 4.1
Fourth limiting part 5.1
Fifth limiting part 6.1
Seventh limiting part 7.1
Eighth limiting part 7.2
First deformable member 8
A second deformable member 9.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and technical effects of the present invention will be fully apparent to those skilled in the art from the disclosure in the specification. The invention is capable of other embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the general spirit of the invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
As shown in fig. 1, the present invention provides a first embodiment of a deformable connecting member, which includes:
the inner wall of a first end opening of the first sleeve 1 is provided with a first limiting part 1.1, and the inner wall of a second end opening of the first sleeve is provided with a second limiting part 1.2;
the first liner 2 and the first liner 3 are respectively arranged from the left end and the right end of the first sleeve 1 and are tightly attached to the first limiting part 1.1 and the second limiting part 1.2;
the first pressing sleeve 4 and the second pressing sleeve 5 are screwed from the left end and the right end of the first sleeve 1 through threads respectively and jointly act with the first gasket 2 and the second gasket 3 to extrude the first deformable piece 8 and the second deformable piece 9.
A second sleeve 6, the right end pipe orifice of which is inserted into a third sleeve 7 through the first gasket 2 and the first pressing sleeve 4;
a third sleeve 7, the left end pipe orifice of which is inserted into the second gasket 3 and the second pressing sleeve 5;
the first deformable piece 8 is arranged between the first gasket 2 and the first pressing sleeve 4, and the first deformable piece 8 can seal a gap between the inner diameter of the left end of the first sleeve 1 and the outer diameter of the second sleeve 6 after being extruded;
the second deformable part 9 is arranged between the gasket 3 and the pressing sleeve 5 and can seal a gap between the inner diameter of the right end of the first sleeve 1 and the outer diameter of the third sleeve 7 after being extruded. The first limiting part 1.1 and the second limiting part 1.2 are annular step structures formed on the inner wall of the first sleeve 1. The first sleeve 1 is connected with the first pressing sleeve 4 and the second pressing sleeve 5 through threads (or interference, wherein the interference connection technical effect is relatively poor), the second sleeve 6 is connected with the first gasket 2 and the first pressing sleeve 4 through threads (or interference), and the third sleeve 7 is connected with the second gasket 3 and the second pressing sleeve 5 through threads (or interference). The first deformable member 8 and the second deformable member 9 are annular bodies made of a soft metal, for example copper or a copper alloy.
As shown in fig. 2, the present invention provides a second embodiment of a deformable connecting member, which comprises:
the inner wall of a first end opening of the first sleeve 1 is provided with a first limiting part 1.1, and the inner wall of a second end opening of the first sleeve is provided with a second limiting part 1.2;
the first gasket 2 is arranged in the first end pipe orifice of the first sleeve 1 and is limited by the first limiting part 1.1 to move towards the second end pipe orifice of the first sleeve 1;
the second gasket (3) is arranged in the second end pipe orifice of the first sleeve pipe 1 and is limited by the second limiting part 1.2 to move towards the first end pipe orifice of the first sleeve pipe 1;
the first pressure sleeve 4 is inserted from the first end pipe orifice of the first sleeve 1, and can move towards the first limiting part 1.1 to extrude the first deformable part 8;
the first end pipe orifice of the second pressing sleeve 5 is inserted from the second end pipe orifice of the first sleeve 1 and can move towards the second limiting part 1.2 to extrude the second deformable part 9;
a first end pipe orifice of the second sleeve 6 is inserted into a first end pipe orifice of the third sleeve 7 through the first gasket 2 and the first pressing sleeve 4;
a third sleeve 7, the first end orifice of which is inserted into the second gasket 3 and the second pressing sleeve 5;
the first deformable piece 8 is arranged between the first gasket 2 and the first pressing sleeve 4 and can contact the outer wall of the second sleeve 6 after being extruded and deformed by the first gasket 2 and the first pressing sleeve 4;
and the second deformable part 9 is arranged between the second gasket 3 and the second pressing sleeve 5 and can contact the outer wall of the third sleeve 7 after the second gasket 3 and the second pressing sleeve 5 are extruded to deform.
And the third limiting part 4.1 is arranged at the pipe orifice at the second end of the first pressing sleeve 4 and can limit the length of the first pressing sleeve 4 inserted into the first sleeve 1.
And the fourth limiting part 5.1 is arranged at the second end pipe orifice of the second pressing sleeve 5 and can limit the length of the second pressing sleeve 5 inserted into the first sleeve 1.
The first limiting part 1.1 and the second limiting part 1.2 are annular step structures formed on the inner wall of the first sleeve. The first sleeve 1 is connected with the first gasket 2, the second gasket 3, the first pressing sleeve 4 and the second pressing sleeve 5 through threads (or interference, wherein the interference connection technology effect is relatively poor), the second sleeve 6 is connected with the first gasket 2 and the first pressing sleeve 4 through threads (or interference), and the third sleeve 7 is connected with the second gasket 3 and the second pressing sleeve 5 through threads (or interference). The first deformable member 8 and the second deformable member 9 are annular bodies made of a soft metal, for example copper or a copper alloy.
As shown in fig. 3, the present invention provides a third embodiment of a deformable connecting member, which comprises:
the inner wall of a first end opening of the first sleeve 1 is provided with a first limiting part 1.1, and the inner wall of a second end opening of the first sleeve is provided with a second limiting part 1.2;
the first gasket 2 is arranged in the first end pipe orifice of the first sleeve 1 and is limited by the first limiting part 1.1 to move towards the second end pipe orifice of the first sleeve 1;
the second gasket 3 is arranged in the second end pipe orifice of the first sleeve 1 and is limited by the second limiting part 1.2 to move towards the first end pipe orifice of the first sleeve 1;
the first pressure sleeve 4 is inserted from the first end pipe orifice of the first sleeve 1, and can move towards the first limiting part 1.1 to extrude the first deformable part 8;
the first end pipe orifice of the second pressing sleeve 5 is inserted from the second end pipe orifice of the first sleeve 1 and can move towards the second limiting part 1.2 to extrude the second deformable part 9;
a first end pipe orifice of the second sleeve 6 is inserted into a first end pipe orifice of the third sleeve 7 through the first gasket 2 and the first pressing sleeve 4;
a third sleeve 7, the first end orifice of which is inserted into the second gasket 3 and the second pressing sleeve 5;
the first deformable piece 8 is arranged between the first gasket 2 and the first pressing sleeve 4 and can contact the outer wall of the second sleeve 6 after being extruded and deformed by the first gasket 2 and the first pressing sleeve 4;
and the second deformable part 9 is arranged between the second gasket 3 and the second pressing sleeve 5 and can contact the outer wall of the third sleeve 7 after the second gasket 3 and the second pressing sleeve 5 are extruded to deform.
And the third limiting part 4.1 is arranged at the pipe orifice at the second end of the first pressing sleeve 4 and can limit the length of the first pressing sleeve 4 inserted into the first sleeve 1.
And the fourth limiting part 5.1 is arranged at the second end pipe orifice of the second pressing sleeve 5 and can limit the length of the second pressing sleeve 5 inserted into the first sleeve 1.
And a fifth limiting part 6.1 which is arranged on the outer side wall of the second sleeve 6 between the first gasket 2 and the first end nozzle of the second sleeve 6 and can be limited by the first end nozzle of the first gasket 2 to be axially separated from the first sleeve 1.
And a sixth limiting part 6.2 which is arranged on the outer side wall of the second sleeve 6 between the first gasket 2 and the first end pipe orifice of the second sleeve 6 and can limit the length of the second sleeve 6 inserted into the third sleeve 7 by matching with the first end pipe orifice of the third sleeve 7. In this embodiment, the fifth limiting part 6.1 and the sixth limiting part 6.2 are disposed at the same position and arranged up and down.
And a seventh limiting part 7.1 which is arranged at the first end pipe orifice of the third sleeve 7 and can be limited by the first end pipe orifice of the second gasket 3 to be axially separated from the first sleeve 1.
And the eighth limiting part 7.2 is arranged on the inner side wall of the third sleeve 7 and is matched with the first end pipe orifice of the second sleeve 6 to limit the length of the second sleeve 6 inserted into the third sleeve 7.
The first limiting part 1.1, the second limiting part 1.2, the third limiting part 4.1, the fourth limiting part 5.1, the fifth limiting part 6.1, the sixth limiting part 6.2, the seventh limiting part 7.1 and the eighth limiting part 7.2 can all adopt annular stepped structures.
The first sleeve 1 is connected with the first gasket 2, the second gasket 3, the first pressing sleeve 4 and the second pressing sleeve 5 through threads or interference, the interference connection technical effect is relatively poor, the second sleeve 6 is connected with the first gasket 2 and the first pressing sleeve 4 through threads or interference, and the third sleeve 7 is connected with the second gasket 3 and the second pressing sleeve 5 through threads or interference. The first deformable member 8 and the second deformable member 9 are annular bodies made of a soft metal, for example copper or a copper alloy.
The present invention has been described in detail with reference to the specific embodiments and examples, but these should not be construed as limitations of the present invention. Numerous variations and modifications can be made by those skilled in the art without departing from the principles of the invention, which should also be considered as within the scope of the invention.
Claims (9)
1. The utility model provides a deformable connecting piece adopts metal material to make, can be applicable to and connect vehicle exhaust pipe mouth to emission equipment sampling mouth of pipe among the automobile emission test, its characterized in that includes:
the inner wall of a first end opening of the first sleeve (1) is provided with a first limit part (1.1), and the inner wall of a second end opening of the first sleeve is provided with a second limit part (1.2);
the first liner (2) and the second liner (3) are respectively arranged from the left end and the right end of the first sleeve (1) and are respectively tightly attached to the first limiting part (1.1) and the second limiting part (1.2);
the first pressing sleeve (4) and the second pressing sleeve (5) are screwed from the left end and the right end of the first sleeve (1) through threads respectively and respectively act together with the first gasket (2) and the second gasket (3) to extrude the first deformable piece (8) and the second deformable piece (9);
a first end pipe orifice of the second sleeve (6) is inserted into a left end pipe orifice of the third sleeve (7) through the first gasket (2) and the first pressing sleeve (4), and the outer diameter of the second sleeve is matched with the inner diameter of the third sleeve (7); in addition, the outer diameter of the sleeve is provided with a limiting block and is limited by the first liner (2) to prevent the first liner from falling off from the left port of the first sleeve (1);
a first end pipe orifice of the third sleeve (7) is inserted into a right end pipe orifice of the second sleeve (6) through the second gasket (3) and the second pressing sleeve (5), and the inner diameter of the third sleeve is matched with the outer diameter of the second sleeve (6); the outer diameter of the sleeve is provided with a limiting block and is limited by a second liner (3) to prevent the sleeve from falling off from the right port of the first sleeve (1);
the first deformable piece (8) is arranged between the first gasket (2) and the first pressing sleeve (4) and can seal a gap between the inner diameter of the left end of the first sleeve (1) and the outer diameter of the second sleeve (6) after being extruded;
and the second deformable piece (9) is arranged between the second gasket (3) and the second pressing sleeve (5) and can seal a gap between the inner diameter of the right end of the first sleeve (1) and the outer diameter of the third sleeve (7) after being extruded.
2. The deformable connecting member of claim 1, wherein: the first limiting part (1.1) and the second limiting part (1.2) are annular step structures formed on the inner wall of the first sleeve (1).
3. The deformable connecting member as claimed in claim 1, further comprising:
and the third limiting part (4.1) is arranged at the second end pipe orifice of the first pressing sleeve (4) and can limit the length of the first pressing sleeve (4) inserted into the first sleeve (1).
4. The deformable connecting member as claimed in claim 1, further comprising:
and the fourth limiting part (5.1) is welded with the second sleeve (6) into a whole and can be limited by the right end pipe orifice of the first gasket (2) to be axially separated from the first sleeve (1).
5. The deformable connecting member as claimed in claim 1, further comprising:
and a fifth limiting part (6.1) which is arranged on the outer diameter wall of the right end of the second sleeve (6) and can limit the length of the second sleeve (6) inserted into the third sleeve (7) with the left end face of the third sleeve (7).
6. The deformable connecting member as claimed in claim 1, further comprising:
and the seventh limiting part (7.1) is welded with the third sleeve (7) into a whole and can be limited by the left end pipe orifice of the second gasket (3) to be axially separated from the first sleeve (1).
7. The deformable connecting member as claimed in claim 1, further comprising:
and the eighth limiting part (7.2) is arranged on the inner side wall of the left end of the third sleeve (7) and can limit the length of the second sleeve (6) inserted into the third sleeve (7) by matching with the pipe orifice at the right end of the second sleeve (6).
8. The deformable connecting member as claimed in any one of claims 1 to 7, wherein:
the first sleeve (1) is connected with the first pressing sleeve (4) and the second pressing sleeve (5) through threads.
9. The deformable connecting member as claimed in any one of claims 1 to 7, wherein: the first deformable member (8) and the second deformable member (9) are annular bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023169747.XU CN215060280U (en) | 2020-12-24 | 2020-12-24 | Deformable connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023169747.XU CN215060280U (en) | 2020-12-24 | 2020-12-24 | Deformable connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215060280U true CN215060280U (en) | 2021-12-07 |
Family
ID=79216008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023169747.XU Active CN215060280U (en) | 2020-12-24 | 2020-12-24 | Deformable connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215060280U (en) |
-
2020
- 2020-12-24 CN CN202023169747.XU patent/CN215060280U/en active Active
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