CN214887324U

CN214887324U - Composite heat insulation pipe fitting

Info

Publication number: CN214887324U
Application number: CN202120359744.8U
Authority: CN
Inventors: 徐夏鸣
Original assignee: Dabiwen Auto Parts Shanghai Co ltd
Current assignee: Dabiwen Auto Parts Shanghai Co ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-11-26
Anticipated expiration: 2031-02-09

Abstract

The utility model discloses a compound thermal-insulated pipe fitting, including the pipe fitting body, the pipe fitting body includes protective layer, noise damping layer and flame retardant coating, the outside of protective layer is provided with the noise damping layer, the inside fixedly connected with high temperature resistant metal block of third recess. This compound thermal-insulated pipe fitting, three kinds of different materials are increased with the inside of pipe fitting body, with this durability that has prolonged whole pipe fitting, the flame retardant coating in the pipe fitting outside simultaneously, can protect the outside of pipe fitting, under the environment of high temperature operation, can reduce the production of incident, increase the connecting seat with the outside of pipe fitting, splice two pipe fittings, increase the sealing washer in the position of concatenation simultaneously, with this gas tightness that improves the junction, make simultaneously and install fast between the pipe fitting, the slope of high temperature resistant metal piece is arranged simultaneously, can follow the velocity of flow that the inside postpones the air current, the effect of making an uproar falls in the amortization of pipe fitting has further been improved, the practicality is greatly improved.

Description

Composite heat insulation pipe fitting

Technical Field

The utility model relates to the technical field of automobiles, specifically be compound thermal-insulated pipe fitting.

Background

The automobile pipe fitting is a general name of parts which play roles of connection, control, turning, shunt, sealing, support and the like in an automobile exhaust emission system, and meanwhile, the automobile exhaust corrugated pipe is also called as an automobile exhaust pipe hose and is arranged in an exhaust pipe between an engine exhaust branch pipe and a silencer to ensure that the whole exhaust system is in flexible connection, so that the effects of vibration and noise reduction, convenient installation and prolonging the service life of the exhaust and noise elimination system are achieved.

However, among the current automobile exhaust emission, the effect of the amortization of making an uproar is fallen to the majority emission pipe fitting is comparatively general, automobile exhaust is when discharging, flow speed is very fast, and strike each other between the pipe fitting, form a large amount of noises, current emission pipe fitting does not have fine mosaic structure simultaneously, make the pipeline inconvenient dismantlement and the installation when the maintenance in equipment and later stage, it has certain limitation to use, the material singleness of pipe fitting simultaneously, do not play the function of making an uproar and falling the noise of fine amortization, the pipe fitting does not also have fine safeguard measure simultaneously, make the life of pipe fitting reduce, the inside auxiliary structure that can slow down the air current that does not have of pipe fitting simultaneously, the noise reduction of pipe fitting can's can't further be improved, greatly reduced the practicality, and thermal-insulated effect is comparatively general.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a composite heat insulation pipe fitting to solve the problems in the prior art of automobile exhaust emission, most of the discharging pipe fittings have more general noise reduction and silencing effects, when the automobile exhaust is discharged, the flowing speed is higher, the automobile exhaust and the pipe fittings mutually impact to form a large amount of noise, meanwhile, the existing discharge pipe fitting has no good splicing structure, so that the pipeline is inconvenient to disassemble and assemble during assembly and later maintenance, has certain limitation in use, meanwhile, the pipe fitting is made of single material and does not have good functions of noise reduction and noise reduction, and meanwhile, the pipe fitting does not have good protection measures, so that the service life of the pipe fitting is shortened, meanwhile, the inside of the pipe fitting is not provided with an auxiliary structure capable of slowing down the air flow, the noise reduction effect of the pipe fitting cannot be further improved, the practicability is greatly reduced, and the heat insulation effect is general.

In order to achieve the above object, the utility model provides a following technical scheme: the composite heat-insulation pipe fitting comprises a pipe fitting body, wherein the pipe fitting body comprises a protective layer, a sound-deadening layer and a fireproof layer, the sound-deadening layer is arranged on the outer side of the protective layer, the fireproof layer is arranged on the outer side of the sound-deadening layer, the protective layer is made of steel wire materials, the protective layer adopts a structural design of mutual interweaving, the sound-deadening layer is made of short glass fiber materials, the fireproof layer is made of asbestos materials, a first connecting seat is fixedly connected to the left end of the pipe fitting body, a first sealing ring is fixedly connected to the outer side of the first connecting seat, a first groove is formed in the first connecting seat, a cavity is formed in the first connecting seat and located on the outer side of the first groove, a limiting block is arranged in the cavity, an elastic sheet is arranged in the cavity and located on the outer side of the limiting block, a first limiting groove is formed in the first sealing ring, the pipe fitting comprises a pipe fitting body and is characterized in that a second connecting seat is fixedly connected to the right end of the pipe fitting body, a second groove is formed in the second connecting seat, a second sealing ring is fixedly connected to the inside of the second groove, a second limiting groove is formed in the outside of the second groove, the same second limiting groove is formed in the second sealing ring, a third groove is formed in the pipe fitting body, and a high-temperature-resistant metal block is fixedly connected to the inside of the third groove.

Preferably, the diameter of the first connecting seat is smaller than that of the pipe fitting body, and the diameter of the first groove is smaller than that of the third groove.

Preferably, cavity, stopper and flexure strip are equidistant annular distribution respectively and have four, the one end of stopper passes first connecting seat and extends to the outside of first sealing washer, through flexure strip swing joint between stopper and the first connecting seat.

Preferably, the diameter of the second connecting seat is the same as that of the second connecting seat, and the outer end face of the second connecting seat is flush with the outer end face of the pipe fitting body.

Preferably, the outer diameter of the second sealing ring is the same as the inner diameter of the first sealing ring, and the first sealing ring and the second sealing ring are matched with each other.

Preferably, the first limiting groove and the second limiting groove are respectively distributed in an equidistant annular shape, the diameter of the first limiting groove is the same as that of the second limiting groove, and the diameter of the first limiting groove is the same as that of the second limiting groove.

Preferably, the high temperature resistant metal blocks are distributed in a plurality of groups in an equidistant annular mode, each group of the high temperature resistant metal blocks is provided with a plurality of groups in an equidistant mode, and the high temperature resistant metal blocks are designed in an inclined structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this compound thermal-insulated pipe fitting, through the protective layer, the setting of amortization layer and flame retardant coating, increase the material of three kinds of differences with the inside of pipe fitting body, the shape into the bucket is rolled up to the steel wire through making into the felt after will scraping the silk, then the amortization layer that the outside winding of steel wire was made by short glass fiber, after again combining protective layer and amortization layer, the effect of thermal-insulated amortization had both been reached, the inside steel wire pipe of pipe fitting body can the separation air current again blow corrosion short glass fiber, reduce buffering and the corruption that the amortization layer received, with this durability that has prolonged whole pipe fitting, the flame retardant coating in the pipe fitting outside simultaneously, can protect the outside of pipe fitting, under the environment of high temperature operation, can reduce the production of incident.

2. The composite heat insulation pipe fitting is characterized in that the first connecting seat, the second connecting seat, the limiting block, the elastic sheet, the first limiting groove, the second limiting groove, the first sealing ring, the second sealing ring and the high-temperature-resistant metal block are arranged, the connecting seats are additionally arranged on the outer sides of the pipe fitting, the two pipe fittings are spliced through the matching and connection between the two groups of connecting seats, the sealing rings are additionally arranged at the spliced positions to improve the air tightness of the connecting positions, the connecting positions are matched with the elastic sheet, the limiting blocks and the limiting grooves for use during connection, the pipe fittings can be quickly installed, the whole pipe fitting is convenient to disassemble and assemble, the early installation and later maintenance work are facilitated, meanwhile, the high-temperature-resistant metal block is obliquely arranged, the flow rate of airflow can be delayed from the inside, the composite heat insulation pipe fitting is matched with materials inside a pipe fitting body for use, and the noise reduction effects of the pipe fitting are further improved, the practicability is greatly improved.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the splicing state of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic sectional view of the present invention;

fig. 4 is the schematic view of the sectional structure of the pipe fitting body of the present invention.

In the figure: 1. a tube body; 2. a first connecting seat; 3. a first seal ring; 4. a first groove; 5. a cavity; 6. a limiting block; 7. an elastic sheet; 8. a first limit groove; 9. a second connecting seat; 10. a second groove; 11. a second seal ring; 12. a second limit groove; 13. a third groove; 14. a refractory metal block; 101. a protective layer; 102. a sound-deadening layer; 103. and a fire-proof layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a composite heat insulation pipe fitting comprises a pipe fitting body 1, wherein the pipe fitting body 1 comprises a protective layer 101, a sound attenuation layer 102 and a fireproof layer 103, the sound attenuation layer 102 is arranged on the outer side of the protective layer 101, the fireproof layer 103 is arranged on the outer side of the sound attenuation layer 102, the protective layer 101 is made of steel wire materials, the protective layer 101 is of a structural design of interweaving, the sound attenuation layer 102 is made of short glass fiber materials, the fireproof layer 103 is made of asbestos materials, the left end of the pipe fitting body 1 is fixedly connected with a first connecting seat 2, the outer side of the first connecting seat 2 is fixedly connected with a first sealing ring 3, a first groove 4 is formed in the first connecting seat 2, a cavity 5 is formed in the first connecting seat 2 and located on the outer side of the first groove 4, a limiting block 6 is arranged in the cavity 5, an elastic sheet 7 is arranged on the outer side of the limiting block 6 in the cavity 5, a first limiting groove 8 is formed in the first sealing ring 3, the right-hand member fixedly connected with second connecting seat 9 of pipe fitting body 1, second recess 10 has been seted up to the inside of second connecting seat 9, the inside fixedly connected with second sealing washer 11 of second recess 10, the outside that is located second recess 10 has been seted up to the inside of second connecting seat 9 has seted up second spacing groove 12, the same second spacing groove 12 has been seted up to the inside of second sealing washer 11, third recess 13 has been seted up to the inside of pipe fitting body 1, the inside fixedly connected with high temperature resistant metal block 14 of third recess 13.

Further, the diameter of first connecting seat 2 is less than the diameter of pipe fitting body 1, and the diameter of first recess 4 is less than the diameter of third recess 13, conveniently splices.

Further, cavity 5, stopper 6 and flexure strip 7 are equidistant annular distribution respectively and have four, and the one end of stopper 6 is passed first connecting seat 2 and is extended to the outside of first sealing washer 3, through flexure strip 7 swing joint between stopper 6 and the first connecting seat 2, realizes quick installation and dismantlement.

Furthermore, the diameter of the second connecting seat 9 is the same as that of the second connecting seat 9, and the outer side end face of the second connecting seat 9 and the outer side end face of the pipe fitting body 1 are flush with each other, so that the smoothness and the attractiveness of the whole structure are guaranteed.

Further, the outer diameter of the second sealing ring 11 is the same as the inner diameter of the first sealing ring 3, and the first sealing ring 3 and the second sealing ring 11 are matched with each other, so that the air tightness is improved.

Further, first spacing groove 8 and second spacing groove 12 are equidistant annular distribution respectively and have four, and the diameter of first spacing groove 8 is the same with the diameter of second spacing groove 12, and the diameter of first spacing groove 8 and the diameter of second spacing groove 12 are the same with the diameter of stopper 6, conveniently carry on spacingly and be connected with stopper 6.

Further, the refractory metal blocks 14 are equidistantly and annularly distributed with multiple groups, each group of refractory metal blocks 14 is equidistantly provided with multiple refractory metal blocks, and the refractory metal blocks 14 are in an inclined structural design, so that the effect of reducing the flow velocity of the airflow is improved.

The working principle is as follows: firstly, the left end of a pipe is connected with the right end of another pipe, the first connecting seat 2 and the first sealing ring 3 at the left end of the pipe are clamped with the second connecting seat 9 and the second sealing ring 11 at the right end of another pipe, the first connecting seat 2 and the first sealing ring 3 are plugged into the second connecting seat 9 and the second sealing ring 11, then the limiting block 6 and the elastic sheet 7 inside the first connecting seat 2 are extruded downwards, in the process of plugging the pipe, when the first connecting seat 2 at the left end of the pipe moves to the lower part of the second limiting groove 12 inside the second connecting seat 9, the limiting block 6 is stressed by the elastic sheet 7 and moves outwards rapidly, then the limiting block 6 is inserted into the second limiting groove 12, at the moment, the installation between the two pipes is finished, when the air flow of automobile exhaust passes through the pipe, the air flow can be buffered by the short glass fiber inside the pipe body 1, meanwhile, the steel wire ring inside the protective layer 101 can protect the short glass fiber, the short glass fiber is prevented from being corroded by air flow for a long time, the service life is prolonged, meanwhile, the high-temperature-resistant metal block 14 inside the pipe fitting body 1 plays a role in buffering and blocking the air flow, impact of the air flow is further relieved, noise of the air flow is effectively reduced, the silencing effect of the pipe fitting is further improved, meanwhile, the heat-insulation pipe fitting is convenient to install and disassemble, maintenance can be conducted at any time, and convenience and fastness are achieved.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. Compound thermal-insulated pipe fitting, including pipe fitting body (1), its characterized in that: the pipe fitting body (1) comprises a protective layer (101), a silencing layer (102) and a fireproof layer (103), wherein a silencing layer (102) is arranged on the outer side of the protective layer (101), the fireproof layer (103) is arranged on the outer side of the silencing layer (102), the protective layer (101) is made of steel wire materials, the protective layer (101) is of a structure design of interweaving, the silencing layer (102) is made of short glass fiber materials, the fireproof layer (103) is made of asbestos materials, a first connecting seat (2) is fixedly connected to the left end of the pipe fitting body (1), a first sealing ring (3) is fixedly connected to the outer side of the first connecting seat (2), a first groove (4) is formed in the first connecting seat (2), a cavity (5) is formed in the first connecting seat (2) and located on the outer side of the first groove (4), and a limiting block (6) is arranged in the cavity (5), the utility model discloses a pipe fitting, including cavity (5), pipe fitting body (1), second connecting seat (9), first spacing groove (8) have been seted up to the inside of first sealing washer (3), right-hand member fixedly connected with second connecting seat (9) of pipe fitting body (1), second recess (10) have been seted up to the inside of second connecting seat (9), the inside fixedly connected with second sealing washer (11) of second recess (10), the outside that is located second recess (10) has been seted up to the inside of second connecting seat (9) has been seted up and second spacing groove (12) have been seted up to the inside of second sealing washer (11), third recess (13) have been seted up to the inside of pipe fitting body (1), the inside fixedly connected with high temperature resistant metal piece (14) of third recess (13).

2. The composite insulating tube of claim 1, wherein: the diameter of the first connecting seat (2) is smaller than that of the pipe fitting body (1), and the diameter of the first groove (4) is smaller than that of the third groove (13).

3. The composite insulating tube of claim 1, wherein: the cavity (5), the limiting block (6) and the elastic sheet (7) are respectively distributed in an equidistant annular mode, one end of the limiting block (6) penetrates through the first connecting seat (2) and extends to the outer side of the first sealing ring (3), and the limiting block (6) is movably connected with the first connecting seat (2) through the elastic sheet (7).

4. The composite insulating tube of claim 1, wherein: the diameter of the second connecting seat (9) is the same as that of the second connecting seat (9), and the outer end face of the second connecting seat (9) is flush with the outer end face of the pipe fitting body (1).

5. The composite insulating tube of claim 1, wherein: the outer diameter of the second sealing ring (11) is the same as the inner diameter of the first sealing ring (3), and the first sealing ring (3) and the second sealing ring (11) are matched with each other.

6. The composite insulating tube of claim 1, wherein: the first limiting groove (8) and the second limiting groove (12) are respectively distributed in an equidistant annular mode, the diameter of the first limiting groove (8) is the same as that of the second limiting groove (12), and the diameter of the first limiting groove (8) is the same as that of the second limiting groove (12) as that of the limiting block (6).

7. The composite insulating tube of claim 1, wherein: the high-temperature resistant metal blocks (14) are distributed in a multi-group mode at equal intervals in an annular mode, each group of high-temperature resistant metal blocks (14) is provided with a plurality of groups at equal intervals, and the high-temperature resistant metal blocks (14) are designed to be inclined structures.