CN211195771U - Silencer for automobile air conditioner pipeline and mounting structure thereof - Google Patents
Silencer for automobile air conditioner pipeline and mounting structure thereof Download PDFInfo
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- CN211195771U CN211195771U CN201922140291.5U CN201922140291U CN211195771U CN 211195771 U CN211195771 U CN 211195771U CN 201922140291 U CN201922140291 U CN 201922140291U CN 211195771 U CN211195771 U CN 211195771U
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- silencer
- muffler
- pipe joint
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Abstract
The utility model provides a muffler and mounting structure for among vehicle air conditioner pipeline, including the muffler body, the muffler body is the barrel form that both ends link up, the muffler body divide into several sections along the axial, the muffler body includes first section from one end to the other end in proper order, the second section, the third section, first section, the second section, the internal diameter of third section equals, the external diameter increases in proper order, the one end of first section corresponds the one end of muffler body, the one end of first section is equipped with first radius angle along the excircle, be equipped with the second radius angle along interior circle, the one end outer wall of second section is equipped with the several arch along circumference, be equipped with the third radius angle between the outer wall of the other end of second section and the one end of third section, the third section is the flange form. A mounting structure is also presented. The tail part of the silencer can be designed into a straight-through pipe or a wrapping structure, and the inner wall of the silencer is designed with a spiral groove, so that the noise can be inhibited, and the effect of inhibiting the fluid noise is improved; when the shock wave damping device is installed with a hard pipe joint, the shock wave of the fluid pulse stroke can be better suppressed.
Description
Technical Field
The utility model relates to a technical field of vehicle air conditioner pipeline muffler, concretely relates to muffler for among vehicle air conditioner pipeline and mounting structure thereof.
Background
The notice number is: CN109334385A, published: 20190215, discloses an air-conditioning pipeline with a built-in silencer, and specifically discloses the following technical characteristics: a silencing pipe is arranged in the pipeline, the outer end faces of two ends of the silencing pipe are tightly sealed with the inner wall of the pipeline, and a plurality of small holes for releasing bubbles are arranged in the silencing pipe; the outside of the pipeline is sealed and sleeved with a rubber tube, the small hole is communicated with the rubber tube through a communicating pipe, and the rubber tube is communicated with an external air pipe.
The notice number is: CN208812928U, published: 20190503, discloses a built-in muffler of spiral vehicle air conditioner pipeline, specifically discloses following technical characteristics: the silencer is placed in the flexible rubber tube, and the silencer includes the cylinder, be equipped with the external screw thread on the cylinder, be equipped with longitudinally distributed and possess the recess of less wall thickness between every continuous slope of external screw thread.
The notice number is: CN205191880U, published: 20160427, discloses a multi-band built-in muffler, specifically discloses the following technical characteristics: the muffler sets up in the hose that is close to the compressor import, and the body of muffler is the tubular structure, is provided with a plurality ofly on the pipe wall of body to the pore.
The above-described silencer has the following problems:
1. the silencers are all arranged on the inner side of the rubber tube or the hose, and have certain requirements on the installation environment;
2. the silencer arranged in the rubber tube needs to be fixed in an interference fit manner, the part is easy to damage under a high-pressure environment, but the two sides in the rubber tube are connected with the hard tubes with smaller inner diameters, and the silencer cannot be independently replaced after being installed;
3. the silencer cannot suppress the vibration waves in the vibration frequency band of the rigid pipe.
4. The silencer arranged on the inner side of the rubber tube or the hose cannot filter the frequency band filtering of the interface end of the hard tube, and the interface of the hard tube cannot perform noise suppression of the frequency band of the interface end of the hard tube.
SUMMERY OF THE UTILITY MODEL
To the above problems, the utility model provides a muffler for in vehicle air conditioner pipeline and mounting structure thereof.
The purpose of the utility model can be realized by the following technical scheme: the utility model provides a muffler for among vehicle air conditioner pipeline, includes the muffler body, the muffler body is the barrel form that both ends link up, and the muffler body divide into several sections along the axial, and the muffler body includes first section, second section, third section from one end to the other end in proper order, the internal diameter of first section, second section, third section equals, the external diameter increases in proper order, the one end of first section corresponds the one end of muffler body, and the one end of first section is equipped with first radius angle along the excircle, is equipped with the second radius angle along interior circle, the one end outer wall of second section is equipped with the several arch along circumference, is equipped with the third radius angle between the outer wall of the other end of second section and the one end of third section, the third section is flange form. The length of the silencer body is 10-15 mm, the aperture is 2.5-3 mm, and the silencer is applicable to the frequency of 1100-2000 Hz; the length of muffler body is 10~15mm, and the aperture is 3.5~4.5mm, is applicable to frequency 0~200 Hz.
A mounting structure that is arranged in muffler of vehicle air conditioner pipeline that corresponds, including foretell muffler and hard tube coupling, the first section of the muffler body of muffler inserts the hard tube coupling inwards in, the first section external diameter of muffler body is less than the internal diameter of hard tube coupling, the outer wall of the second section of muffler body and third section all with the inner wall interference fit that the hard tube connects, the structure on the one end terminal surface of the third section of muffler body and the hard tube coupling inner wall offsets.
On the basis of the first scheme, the silencer body sequentially comprises a fourth section from one end to the other end, the inner diameter of the fourth section is equal to that of the first section, the second section and the third section, the outer diameter of the fourth section is equal to that of the second section, the other end of the fourth section corresponds to the other end of the silencer body, and a fourth fillet is arranged at the other end of the fourth section along the inner circle. Wherein, the length of muffler body is 17.5~22.5mm, and the aperture is 2.5~3mm, is applicable to frequency 200~1100 Hz.
A mounting structure that is arranged in muffler of vehicle air conditioner pipeline that corresponds, including foretell muffler and hard tube coupling, the first section of the muffler body of muffler inserts the hard tube coupling inwards in, the first section external diameter of muffler body is less than the internal diameter of hard tube coupling, the outer wall of the second section of muffler body and third section all with the inner wall interference fit that the hard tube connects, the one end terminal surface of the third section of muffler body offsets with the structure on the hard tube coupling inner wall, the fourth section of muffler body extends outside the hard tube coupling.
On the basis of the first scheme, the silencer body further comprises a fourth section and a fifth section from one end to the other end in sequence, the inner diameters of the fourth section and the fifth section are equal to the inner diameters of the first section, the second section and the third section, the outer diameter of the fourth section is equal to the outer diameter of the second section, the outer diameter of the fifth section is larger than the outer diameter of the third section, the other end of the fifth section corresponds to the other end of the silencer body, and a fourth fillet is arranged at the other end of the fifth section along the inner circle. Wherein, the length of muffler body is 17.5~22.5mm, and the aperture is 2.5~3mm, is applicable to frequency 200~1100 Hz.
A mounting structure that is arranged in muffler of vehicle air conditioner pipeline that corresponds, including muffler and hard tube coupling, the first section of the muffler body of muffler inserts the hard tube coupling inwards in, the first section external diameter of muffler body is less than the internal diameter of hard tube coupling, the outer wall of the second section of muffler body and third section all with the inner wall interference fit that the hard tube connects, the one end terminal surface of the third section of muffler body offsets with the structure on the hard tube coupling inner wall, the fourth section of muffler body sets up in the hard tube coupling, the fifth section of muffler body sets up outside the hard tube coupling, the one end terminal surface of the fifth section of muffler body offsets with the interface terminal surface of hard tube coupling.
The inner wall of the silencer body of the silencer can be provided with the spiral groove, so that the noise can be further inhibited, and the effect of inhibiting fluid noise is improved.
Compared with the prior art, the beneficial effects of the utility model are that: the silencer has a simple structure, and the tail part is designed into a straight-through pipe structure or a wrapping structure, and the inner wall is designed with a spiral groove, so that the noise can be inhibited, the effect of inhibiting fluid noise is improved, and the applicability is better; the silencer can be arranged on the inner side of a hard pipe joint or on the inner side of a rubber pipe or a hose in an automobile air conditioning pipeline in an inserting manner, so that the installation is convenient and firm; when the silencer is arranged at the position of the hard pipe joint, the flow interception effect can be formed by changing the area of the cross section of the hard pipe joint, and the vibration wave of the fluid pulse stroke is effectively inhibited.
Drawings
Fig. 1 is a schematic structural diagram of a muffler according to embodiment 1 of the present invention.
Fig. 2 is a sectional view of a muffler according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of the installation of the muffler and the automobile air conditioner pipeline in embodiment 1 of the present invention.
Fig. 4 is the utility model discloses embodiment 2 muffler and vehicle air conditioner piping erection's structural schematic.
Fig. 5 is a schematic structural diagram of the installation of the muffler and the automobile air conditioner pipeline in embodiment 3 of the present invention.
Fig. 6 is a cross-sectional view of a muffler according to embodiment 4 of the present invention.
Fig. 7 is a schematic structural diagram of the installation of the muffler and the automobile air conditioner pipeline according to the embodiment of the present invention.
FIG. 8 is an FRF function image of a 12.5mm length silencer with a 2.5mm aperture.
FIG. 9 is an FRF function image of a 20mm length, 2.5mm aperture silencer.
FIG. 10 is an FRF function image of a silencer of 12.5mm length and 3.5mm aperture.
The parts in the figures are numbered as follows:
1 silencer body
101 first stage
102 second segment
103 third section
104 fourth stage
105 fifth stage
106 projection
107 first rounded corner
108 second rounded corner
109 third rounded corner
110 fourth fillet
111 helical groove
2 hard pipe joints.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.
Example 1
Referring to fig. 1 and 2, a silencer for an automobile air conditioner pipeline includes a silencer body 1, where the silencer body 1 is in a cylindrical shape with two through ends, and the silencer body 1 is divided into several sections along an axial direction, in this embodiment, the silencer body 1 is divided into a first section 101, a second section 102, and a third section 103 from one end to the other end in sequence.
The first section 101, the second section 102 and the third section 103 have the same inner diameter and sequentially increased outer diameter. The one end of first section 101 corresponds the one end of muffler body 1, and the one end of first section 101 is equipped with first fillet 107 along the excircle, is equipped with second fillet 108 along the interior circle. A plurality of protrusions 106 are arranged on the outer wall of one end of the second section 102 along the circumferential direction, a third fillet 109 is arranged between the outer wall of the other end of the second section 102 and the outer wall of one end of the third section 103, and the third section 103 is in a flange shape.
The silencer can be arranged at a plurality of joints in an automobile air conditioner pipeline, and can be arranged on the inner side of a hard pipe joint or the inner side of a rubber pipe or a hose.
Referring to fig. 3, this mounting structure of muffler and vehicle air conditioner pipeline, including muffler and hard pipe joint 2, the first section 101 of the muffler body 1 of muffler inserts inwards in hard pipe joint 2, and the first section 101 external diameter of muffler body 1 is less than the internal diameter of hard pipe joint 2, and the outer wall of the second section 102 of muffler body 1 and the outer wall of third section 103 all with the inner wall interference fit of hard pipe joint 2, and the structure on the one end terminal surface of the third section 103 of muffler body 1 and the hard pipe joint 2 inner wall offsets.
Aiming at the position of the hard pipe joint 2, the silencer forms a flow interception effect through the change of the area of the cross section, and effectively inhibits the vibration wave of the fluid pulse stroke.
In the case of the example 2, the following examples are given,
the difference from embodiment 1 is that the tail of the silencer is designed into a straight pipe structure, which can suppress noise and improve the effect of suppressing fluid noise.
Referring to fig. 4, a silencer for an air conditioning pipeline of an automobile includes a silencer body 1, and the silencer body 1 is divided into a first section 101, a second section 102, a third section 103, and a fourth section 104 from one end to the other end in sequence, where the first section 101, the second section 102, and the third section 103 have the same structure as in embodiment 1, the inner diameter of the fourth section 104 is equal to the inner diameters of the first section 101, the second section 102, and the third section 103, the outer diameter of the fourth section 104 is equal to the outer diameter of the second section 102, the other end of the fourth section 104 corresponds to the other end of the silencer body 1, and a fourth fillet 110 is provided at the other end of the fourth section 104 along the inner circle.
Referring to fig. 4, the mounting structure of the muffler and the air conditioning pipe of the automobile includes the muffler and the hard pipe joint 2, except that the fourth section 104 of the muffler body 1 of the muffler extends out of the hard pipe joint 2.
Example 3
The difference from embodiment 1 is that the tail of the silencer is designed into a wrapping structure, which can suppress noise and improve the effect of suppressing fluid noise.
Referring to fig. 5, a silencer for an air conditioning pipeline of an automobile includes a silencer body 1, and the silencer body 1 is divided into a first section 101, a second section 102, a third section 103, a fourth section 104, and a fifth section 105 in sequence from one end to the other end, where the first section 101, the second section 102, and the third section 103 have the same structure as in embodiment 1, the inner diameters of the fourth section 104 and the fifth section 105 are equal to the inner diameters of the first section 101, the second section 102, and the third section 103, the outer diameter of the fourth section 104 is equal to the outer diameter of the second section 102, the outer diameter of the fifth section 105 is larger than the outer diameter of the third section 103, the other end of the fifth section 105 corresponds to the other end of the silencer body 1, and a fourth fillet 110 is disposed along the inner circle at the other end of the fifth section 105.
Referring to fig. 5, the mounting structure of the silencer and the automobile air conditioning pipeline comprises a silencer and a hard pipe joint 2, and is characterized in that a fourth section 104 of a silencer body 1 of the silencer is arranged in the hard pipe joint 2, a fifth section 105 of the silencer body 1 is arranged outside the hard pipe joint 2, and one end face of the fifth section 105 of the silencer body 1 is abutted to an interface end face of the hard pipe joint 2.
Example 4
The difference from the embodiments 1 to 3 is that the inner wall of the silencer is designed into a spiral structure, which can suppress noise and improve the effect of suppressing fluid noise.
A silencer used in an automobile air conditioning pipeline comprises a silencer body 1, and is characterized in that a spiral groove 111 is formed in the inner wall of the silencer body 1, the spiral groove 111 can be continuous or disconnected, and can be used for lead adjustment at equal inclination angles and variable inclination angles. As an example, the concrete structure of the present muffler is improved on the basis of the muffler in embodiment 1, and a continuous and equal-inclination-angle equal-lead spiral groove 111 is added, see fig. 6.
The mounting structure of the silencer and the automobile air conditioner pipeline comprises the silencer and a hard pipe joint 2. As an example, the mounting structure of the muffler and the air conditioning pipe of the automobile is modified on the basis of embodiment 1, see fig. 7.
The length of the silencer with shorter length shown in the embodiment 1 and the embodiment 4 is designed to be within the range of 10-15 mm, and the length of the silencer is preferably 12.5 mm. Referring to fig. 8, the abscissa of the graph is Frequency (Frequency), the ordinate is Frequency Response Function (FRF), and when the Frequency is 1100 to 2000Hz, the aperture design range of the silencer with the length of 12.5mm is between 2.5mm and 3mm, preferably 2.5mm, which can achieve the best effect of suppressing fluid noise.
For the long length silencers shown in examples 2 to 4, the length design range is 17.5-22.5 mm, and the length of the silencer is preferably 20 mm. Referring to fig. 9, the abscissa of the graph is Frequency (Frequency), the ordinate is Frequency Response Function (FRF), and when the Frequency is 200 to 1100Hz, the aperture design range of the silencer with the length of 20mm is 2.5 to 3mm, preferably 2.5mm, which can achieve the best effect of suppressing fluid noise.
The length of the silencer with shorter length shown in the embodiment 1 and the embodiment 4 is designed to be within the range of 10-15 mm, and the length of the silencer is preferably 12.5 mm. Referring to fig. 10, the abscissa of the graph is Frequency (Frequency), the ordinate is Frequency Response Function (FRF), and when the Frequency is 0 to 200Hz, the aperture design range of the silencer with the length of 12.5mm is 3.5 to 4.5mm, preferably 3.5mm, which can achieve the best effect of suppressing fluid noise.
It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.
Claims (10)
1. The utility model provides a muffler for among vehicle air conditioner pipeline, its characterized in that, includes the muffler body, the muffler body is the barrel form that both ends link up, and the muffler body divide into several sections along the axial, and the muffler body includes first section, second section, third section from one end to the other end in proper order, the internal diameter of first section, second section, third section equals, the external diameter increases in proper order, the one end of first section corresponds the one end of muffler body, and the one end of first section is equipped with first radius angle along the excircle, is equipped with the second radius angle along interior circle, the one end outer wall of second section is equipped with the several arch along circumference, is equipped with the third radius angle between the outer wall of the other end of second section and the one end of third section, the third section is flange form.
2. The muffler for an air conditioning pipe of an automobile as claimed in claim 1, wherein the inner wall of the muffler body is provided with a spiral groove.
3. The silencer used in the automobile air conditioning pipeline is characterized in that the length of the silencer body is 10-15 mm, the aperture is 2.5-3 mm, and the silencer is suitable for the frequency of 1100-2000 Hz; the length of muffler body is 10~15mm, and the aperture is 3.5~4.5mm, is applicable to frequency 0~200 Hz.
4. The silencer used in the automobile air conditioner pipeline as claimed in claim 1 or 2, wherein the silencer body further comprises a fourth section from one end to the other end in sequence, the inner diameter of the fourth section is equal to the inner diameters of the first section, the second section and the third section, the outer diameter of the fourth section is equal to the outer diameter of the second section, the other end of the fourth section corresponds to the other end of the silencer body, and a fourth fillet is arranged at the other end of the fourth section along the inner circle.
5. The silencer used in the pipeline of the automobile air conditioner as claimed in claim 4, wherein the length of the silencer body is 17.5-22.5 mm, the aperture is 2.5-3 mm, and the silencer is suitable for the frequency of 200-1100 Hz.
6. The silencer used in the automobile air conditioner pipeline as claimed in claim 1 or 2, wherein the silencer body further comprises a fourth section and a fifth section in sequence from one end to the other end, the inner diameters of the fourth section and the fifth section are equal to the inner diameters of the first section, the second section and the third section, the outer diameter of the fourth section is equal to the outer diameter of the second section, the outer diameter of the fifth section is larger than the outer diameter of the third section, the other end of the fifth section corresponds to the other end of the silencer body, and a fourth fillet is arranged at the other end of the fifth section along the inner circle.
7. The silencer used in the pipeline of the automobile air conditioner as claimed in claim 6, wherein the length of the silencer body is 17.5-22.5 mm, the aperture is 2.5-3 mm, and the silencer is suitable for the frequency of 200-1100 Hz.
8. A mounting structure for a silencer in an automobile air conditioning pipeline is characterized by comprising the silencer and a hard pipe joint in claim 1 or 2 or 3, wherein a first section of a silencer body of the silencer is inwards inserted into the hard pipe joint, the outer diameter of the first section of the silencer body is smaller than the inner diameter of the hard pipe joint, the outer walls of a second section and a third section of the silencer body are in interference fit with the inner wall of the hard pipe joint, and one end face of the third section of the silencer body is abutted to a structure on the inner wall of the hard pipe joint.
9. The utility model provides an installation structure that is arranged in muffler in vehicle air conditioner pipeline, its characterized in that includes claim 4 or 5 muffler and hard pipe joint, the first section of the muffler body of muffler inserts inwards in the hard pipe joint, the first section external diameter of muffler body is less than the internal diameter of hard pipe joint, the outer wall of the second section of muffler body and third section all with the inner wall interference fit that hard pipe joint, the one end terminal surface of the third section of muffler body offsets with the structure on the hard pipe joint inner wall, the fourth section of muffler body extends to outside the hard pipe joint.
10. The utility model provides an installation structure for muffler in vehicle air conditioner pipeline, its characterized in that includes claim 6 or 7 muffler and hard pipe joint, the first section of the muffler body of muffler inserts inwards in the hard pipe joint, the first section external diameter of muffler body is less than the internal diameter of hard pipe joint, the outer wall of the second section of muffler body and third section all with the inner wall interference fit that hard pipe connects, the one end terminal surface of the third section of muffler body offsets with the structure on the hard pipe joint inner wall, the fourth section of muffler body sets up in the hard pipe joint, the fifth section of muffler body sets up outside the hard pipe joint, the one end terminal surface of the fifth section of muffler body offsets with the interface terminal surface that hard pipe connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140291.5U CN211195771U (en) | 2019-12-04 | 2019-12-04 | Silencer for automobile air conditioner pipeline and mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140291.5U CN211195771U (en) | 2019-12-04 | 2019-12-04 | Silencer for automobile air conditioner pipeline and mounting structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211195771U true CN211195771U (en) | 2020-08-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922140291.5U Active CN211195771U (en) | 2019-12-04 | 2019-12-04 | Silencer for automobile air conditioner pipeline and mounting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211195771U (en) |
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2019
- 2019-12-04 CN CN201922140291.5U patent/CN211195771U/en active Active
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