CN213478542U

CN213478542U - Air inlet pipe structure of engine

Info

Publication number: CN213478542U
Application number: CN202121054777.8U
Authority: CN
Inventors: 佟雷; 佟宝义
Original assignee: Shenyang Shenfei Special Equipment Co ltd
Current assignee: Shenyang Shenfei Special Equipment Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-06-18
Anticipated expiration: 2031-05-18

Abstract

The utility model relates to an internal-combustion engine accessories technical field specifically is an engine inlet pipe structure, including filter side body, air intake main side body and corrugated pipe body, install damper on the corrugated pipe body, damper locates the external member of the periphery of corrugated pipe body including the cover, and radial dismantling along the corrugated pipe body on the external member is connected with flexible layering, flexible layering stretch into in the outer fringe ripple groove of corrugated pipe body and with the corrugated pipe body butt, external member sliding fit has the slider that can follow corrugated pipe body circumferential direction, elastic element has set firmly on the slider, the last one end of keeping away from the slider of elastic element has set firmly the installation piece. The utility model discloses a damper assembly realizes corrugated pipe body and engine installation, and the damper assembly position is adjustable, compensates corrugated pipe body because of the positional deviation that the installation caused to through the second grade shock attenuation of flexible layering and elastic element combination, fully reduce vibrations on the corrugated pipe body, improve engine intake pipe structural stability.

Description

Air inlet pipe structure of engine

Technical Field

The utility model relates to an internal-combustion engine accessories technical field specifically is an engine inlet pipe structure.

Background

The engine intake pipe is an air pipe for introducing gas required for combustion in the internal combustion engine into the engine.

The utility model discloses a publication is CN 212867740U's utility model discloses an engine inlet pipe structure and vehicle, it includes the pipeline main part to and locate the link at pipeline main part both ends respectively, two links are in order to link to each other with high-order intake pipe and air cleaner respectively, and the pipeline main part is including connecting the weaving pipe between the link at both ends, wraps up the waterproof sheath outside weaving pipe, and is located the sound absorption portion between weaving pipe and the waterproof sheath. The utility model discloses a have sound absorption effect, but single structure, the commonality is poor, inconvenient intake pipe installation.

The utility model discloses a utility model patent that publication is CN212202299U discloses a novel engine intake-tube structure of commercial car, it includes TPV pipe one and TPV pipe two, TPV pipe one includes bend section one and straight tube section one, bend section one links to each other with engine supercharger, TPV pipe two includes bend section two and straight tube section two, straight tube section two links to each other with air cleaner, TPV pipe one's straight tube section one links to each other with TPV pipe two's bend section two, TPV pipe one and/or TPV pipe two are provided with the ripple section, the ripple section is located TPV pipe one's straight tube section one and/or TPV pipe two straight tube section two. The utility model discloses a be provided with the ripple section, the commonality is good, through the bending deformation of ripple section, the compensation intake pipe makes things convenient for the intake pipe installation because of the positional deviation that the installation caused, but the air intake resistance can lead to the ripple section to produce great vibrations at the ripple section grow of bending, not only influences intake pipe structural stability, still can produce the noise, has influenced driver and passenger's the travelling comfort of driving.

Disclosure of Invention

An object of the utility model is to provide an engine inlet pipe structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an engine intake pipe structure, includes filter side body and intake manifold side body, be connected with the bellows body between filter side body and the intake manifold side body, install damper on the bellows body, damper locates including the cover the external member of the periphery of bellows body, just follow on the external member the radial dismantlement of bellows body is connected with flexible layering, flexible layering stretches into in the outer fringe ripple groove of bellows body and with bellows body butt, external member sliding fit has and follows bellows body circumferential direction's slider, the elastic element has set firmly on the slider, keep away from on the elastic element the one end of slider sets firmly the installation piece that links to each other with the engine.

Optionally, the external member is provided with a limiting block along the radial thread of the corrugated pipe body, and the limiting block is close to one end of the corrugated pipe body and fixedly connected with the flexible pressing strip.

Optionally, six flexible pressing strips are arranged at equal intervals; when the flexible pressing strips are in a natural state, the six flexible pressing strips are enclosed to form an inverted conical cage-shaped structure; when the flexible pressing strips are completely folded, the six flexible pressing strips are enclosed to form a cylindrical structure with the outer diameter smaller than the limiting block.

Optionally, an inner groove is formed in one end, far away from the corrugated pipe body, of the limiting block, and the inner groove is any one of a straight groove, a cross groove or an inner hexagonal groove.

Optionally, the outer wall of the sleeve is provided with a circular sliding groove for accommodating the sliding block to rotate circumferentially, the sleeve is provided with a circular sliding hole communicated with the circular sliding groove, a polished rod penetrates through the circular sliding hole, and the polished rod is fixedly connected with the sliding block.

Optionally, the outer wall of filter side body and intake manifold side body all sets firmly inhales the sound cover, it includes foamed aluminum filling metal thin wall pipe to inhale the sound cover.

Compared with the prior art, the utility model provides an engine inlet pipe structure possesses following beneficial effect:

1. the utility model realizes the installation of the corrugated pipe body and the engine through the damping component, the position of the damping component is adjustable, the universality is good, the position deviation of the corrugated pipe body caused by the installation can be compensated, and the vibration on the corrugated pipe body is fully reduced through the second-stage damping of the combination of the flexible pressing strip and the elastic element, thereby improving the structural stability of the intake pipe of the engine;

2. the utility model discloses a fold six flexible layering completely, can pass the thread groove that external member and stopper are connected with flexible layering, the flexible layering of easy to assemble, the extrusion force size between flexible layering and corrugated pipe body is through the stopper adjustment, and is simple and convenient.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

fig. 3 is the utility model discloses the structure schematic diagram of well stopper and flexible layering.

In the figure: 1. a filter side tube body; 2. a corrugated pipe body; 3. a side pipe body of the intake manifold; 4. a shock absorbing assembly; 5. a kit; 6. a limiting block; 7. an inner groove; 8. a flexible batten; 9. a slider; 10. an elastic element; 11. mounting blocks; 12. a circular chute; 13. a circular ring slide hole; 14. a polish rod; 15. the sound absorption cover.

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.

Example (b): please refer to fig. 1, the utility model provides an engine intake pipe structure, including filter side body 1 and intake manifold side body 3, be connected with corrugated pipe body 2 between filter side body 1 and the intake manifold side body 3, corrugated pipe body 2's both ends respectively with filter side body 1 and the welding of intake manifold side body 3, filter side body 1 passes through the filter of flange bolted connection engine, intake manifold side body 3 passes through the inlet manifold of flange bolted connection engine. The outer walls of the filter side pipe body 1 and the air inlet main side pipe body 3 are both bonded with sound-absorbing sleeves 15, and the sound-absorbing sleeves 15 are made of foamed aluminum filled metal thin-walled pipes. The bellows body 2 is provided with a damper assembly 4.

Referring to fig. 2, the damping assembly 4 includes a sleeve member 5 sleeved on the periphery of the corrugated pipe body 2, a flexible pressing strip 8 is detachably connected to the sleeve member 5 in the radial direction of the corrugated pipe body 2, the flexible pressing strip 8 extends into an outer edge corrugated groove of the corrugated pipe body 2 and abuts against the corrugated pipe body 2, the sleeve member 5 is in sliding fit with a sliding block 9 capable of rotating along the circumferential direction of the corrugated pipe body 2, an elastic element 10 is welded on the sliding block 9, the elastic element 10 is a spiral spring, a mounting block 11 connected with an engine is welded at one end of the elastic element 10, which is far away from the sliding block 9, and the mounting block 11 is fixed on a housing of the engine through high-temperature.

The external member 5 is connected with a limiting block 6 along the radial screw thread of the corrugated pipe body 2, please refer to fig. 3, an inner groove 7 is formed in one end, far away from the corrugated pipe body 2, of the limiting block 6, the inner groove 7 is a hexagonal inner groove, and the screw thread connection between the limiting block 6 and the external member 5 can be completed through a hexagonal screwdriver. One end of the limiting block 6, which is close to the corrugated pipe body 2, is bonded with the flexible pressing strips 8, the flexible pressing strips 8 are provided with six groups of limiting blocks 6 and flexible pressing strips 8 which are distributed at equal intervals, and the sleeve piece 5 is provided with a plurality of groups of limiting blocks 6 and flexible pressing strips 8 which are uniformly distributed in a ring shape. The extrusion force between the flexible pressing strips 8 and the corrugated pipe body 2 is adjusted through the limiting blocks 6, the corrugated pipe body 2 can be clamped through the annular structure formed by the multiple groups of limiting blocks 6 and the flexible pressing strips 8, and vibration of the corrugated pipe body 2 is limited. When the flexible pressing strips 8 are in a natural state, the six flexible pressing strips 8 enclose to form an inverted cone cage-shaped structure. When the flexible pressing strips 8 are completely folded, the six flexible pressing strips 8 are enclosed to form a cylindrical structure with the outer diameter smaller than the limiting block 6, the six flexible pressing strips 8 are completely folded, the flexible pressing strips 8 can penetrate through the threaded grooves formed by connecting the sleeve piece 5 and the limiting block 6, and the flexible pressing strips 8 and the sleeve piece 5 are simple to install.

Referring to fig. 2, the outer wall of the sleeve 5 is provided with a circular sliding groove 12 for accommodating the sliding block 9 to rotate circumferentially, the sleeve 5 is provided with a circular sliding hole 13 communicated with the circular sliding groove 12, a polish rod 14 penetrates through the circular sliding hole 13, and the polish rod 14 is bonded to the sliding block 9. The slide block 9 slides in the circular ring slide hole 13 by means of the polish rod 14, and the circumferential rotation in the circular ring slide groove 12 is realized, so that the position of the mounting block 11 can be adjusted, and the mounting block 11 can be fixed on the shell of the engine at any angle in a vertical plane.

Corrugated tube body 2 passes through damper assembly 4 and realizes installing with the engine, and damper assembly 4 provides the elastic buffer fulcrum for corrugated tube body 2, and damper assembly 4 position is adjustable, and the commonality is good, can compensate corrugated tube body 2 because of the positional deviation that the installation caused to through the second grade shock attenuation of flexible layering 8 and elastic element 10 combination, vibrations on the fully reduced corrugated tube body 2 improve engine intake pipe structural stability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an engine intake pipe structure, includes filter side body (1) and intake manifold side body (3), be connected with corrugated pipe body (2), its characterized in that between filter side body (1) and intake manifold side body (3): install damper (4) on bellows body (2), damper (4) are located including the cover external member (5) of the periphery of bellows body (2), just follow on external member (5) the radial flexible layering (8) of being connected with of dismantling of bellows body (2), flexible layering (8) stretch into in the outer fringe ripple groove of bellows body (2) and with bellows body (2) butt, external member (5) sliding fit has and to follow bellows body (2) circumferential direction's slider (9), elastic element (10) have set firmly on slider (9), keep away from on elastic element (10) the one end of slider (9) sets firmly installation piece (11) that link to each other with the engine.

2. An engine intake pipe structure according to claim 1, wherein: the flexible pressing strip is characterized in that the sleeve (5) is connected with a limiting block (6) along a radial screw thread of the corrugated pipe body (2), and the limiting block (6) is close to one end of the corrugated pipe body (2) and is fixedly connected with the flexible pressing strip (8).

3. An engine intake pipe structure according to claim 2, wherein: six flexible pressing strips (8) are arranged at equal intervals; when the flexible pressing strips (8) are in a natural state, the six flexible pressing strips (8) are enclosed to form an inverted conical cage-shaped structure; when the flexible pressing strips (8) are completely folded, six flexible pressing strips (8) are enclosed to form a cylindrical structure with the outer diameter smaller than the limiting block (6).

4. An engine intake pipe structure according to claim 2, wherein: an inner groove (7) is formed in one end, far away from the corrugated pipe body (2), of the limiting block (6), and the inner groove (7) is any one of a straight groove, a cross groove or an inner hexagonal groove.

5. An engine intake pipe structure according to claim 1, wherein: the outer wall of the sleeve piece (5) is provided with a circular ring sliding groove (12) for accommodating the sliding block (9) in a circumferential rotating mode, a circular ring sliding hole (13) communicated with the circular ring sliding groove (12) is formed in the sleeve piece (5), a polished rod (14) penetrates through the circular ring sliding hole (13), and the polished rod (14) is fixedly connected with the sliding block (9).

6. An engine intake pipe structure according to claim 1, wherein: the outer wall of filter side body (1) and air intake manifold side body (3) all sets firmly inhales sound cover (15), inhale sound cover (15) and include foamed aluminum filling metal thin wall pipe.