CN212716942U

CN212716942U - Quick plug-in mounting structure between engine air inlet hard pipes and vehicle

Info

Publication number: CN212716942U
Application number: CN202020437809.1U
Authority: CN
Inventors: 向福泉; 马连会; 郑植骏; 邱继刚
Original assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Liankong Technologies Co Ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-03-16
Anticipated expiration: 2030-03-30

Abstract

The utility model provides a fast plug-in assembling structure between engine intake hard pipes, which comprises a first hard pipe and a second hard pipe, the first hard pipe is provided with a first joint at the joint, the second hard pipe is provided with a second joint at the joint, the second joint is sleeved in the first joint, it is characterized in that the outer surface of the second joint is provided with a first clamp groove and a sealing ring at intervals along the axial direction, the outer surface of the first joint is provided with a hoop at a position corresponding to the first hoop groove, the first joint is provided with a plurality of through grooves at intervals in a circle corresponding to the hoop, the clamp is bent inwards at the position corresponding to each through groove to form an inner concave part, when the second joint is sleeved in the first joint, each inner concave part passes through the corresponding through groove and is clamped in the first clamp groove, and meanwhile, the sealing ring abuts against the inner surface of the first connector.

Description

Quick plug-in mounting structure between engine air inlet hard pipes and vehicle

Technical Field

The utility model relates to a vehicle assembly structure field especially relates to a structure and vehicle are joined in marriage to quick cartridge between hard pipe of engine air inlet.

Background

The engine intake pipe is used for leading gaseous booster and the throttle body of introducing and finally derive to the manifold in, when the hard tube that admits air is longer (can not integrated into one piece or when the dismouting is inconvenient), adopts following connected mode usually:

1. hose segment type connections are used. The hose generally serves two functions: A. the vibration damping device plays a decoupling role and avoids vibration transmission, such as a rubber corrugated pipe in an air inlet system; B. the connecting function is realized, and the two sections of pipelines are connected through one section of hose. As shown in fig. 1a and 1b, in the first prior art, a first hard tube 51 and a second hard tube 52 are connected through a flexible tube 53, the flexible tube 53 is located between the first hard tube 51 and the second hard tube 52, the left end of the flexible tube 53 is connected with the first hard tube 51, the right end of the flexible tube 53 is connected with the second hard tube 52, and a worm hoop 54 for compressing is further disposed at the connection between the flexible tube 53 and the first hard tube 51 and the second hard tube 52. This connection adds to the hose 53, the worm hoop 54 and the assembly process, and has the disadvantages of relatively high cost and complex assembly.

2. And a sectional welding mode is adopted. As shown in fig. 2, in the second prior art, the first hard tube 61 and the second hard tube 62 are fixedly connected by welding, and after welding, the first hard tube 61 and the second hard tube 62 are not detachable. This kind of connected mode has increased the welding cost, and first hard tube 61 and second hard tube 62 can not split after the welding simultaneously, are unfavorable for maintenance, the change etc. of air inlet hard tube.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a structure is joined in marriage to quick cartridge between engine air inlet hard tube aims at solving the not enough of above-mentioned background art existence, can guarantee the leakproofness of assembly between the hard tube, and dismantlement that again can be convenient, reduction in production cost simultaneously.

Further, the surface of first joint is corresponding to the position of clamp is equipped with second clamp groove, the clamp cover is established in the second clamp groove.

Further, the through groove and the inner concave portion are the same in size, and the inner concave portion is just clamped into the first clamp groove from the through groove.

Further, the clamp is of a U-shaped metal wire structure with an opening.

Further, the clamp is in keeping away from the outside bending of the direction of the centre of a circle of clamp forms outer convex part, outer convex part sets up adjacent with one of them interior concave part.

Furthermore, the outer surface of the second joint is provided with a groove corresponding to the position of the sealing ring, the sealing ring is clamped in the groove, and the diameter of the sealing ring is larger than the depth of the groove.

Further, the length of the first joint is equal to the length of the second joint, the inner diameter of the first joint is larger than that of the first hard pipe, a step is formed at the joint of the first joint and the first hard pipe in the first joint, and when the second joint is sleeved in the first joint, the top end of the second joint abuts against the step.

Further, the seal ring is closer to the front end of the second joint than the first ferrule groove.

Further, the inner surface of the first joint forms a structure with a tapered inner diameter along the fitting insertion direction, and the outer surface of the second joint forms a structure with a tapered outer diameter along the fitting insertion direction.

The utility model also provides a vehicle, including above the engine intake hard tube between fast cartridge join in marriage the structure.

The utility model discloses a structure is joined in marriage to quick cartridge between engine air inlet hard tube adopts the joint structure in clamp and clamp groove, has saved the cost and the mounting process or the welding cost of worm hoop appearance piece, still is equipped with the sealing washer on the hard tube that admits air simultaneously, has good leakproofness after two hard tubes that admit air butt joints, the utility model has the advantages of simple to operate, the leakproofness is good and the cost is lower.

Drawings

FIG. 1a is a schematic diagram of a first hard tube and a second hard tube before they are connected in a prior art;

FIG. 1b is a schematic diagram illustrating a first hard tube and a second hard tube connected together according to a prior art;

FIG. 2 is a schematic view of a first hard tube and a second hard tube in a second prior art;

fig. 3a is a schematic view of the first hard tube and the second hard tube before being connected according to the embodiment of the present invention;

FIG. 3b is a cross-sectional view taken along A-A of FIG. 3 a;

fig. 4a is a schematic diagram of the embodiment of the present invention after the first hard tube is connected to the second hard tube;

FIG. 4B is a cross-sectional view taken along line B-B of FIG. 4 a;

fig. 5 is a bottom view of the first joint according to an embodiment of the present invention;

fig. 6 is a schematic structural view of the clamp according to an embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The terms "first," "second," "third," "fourth," "fifth," and the like in the description and in the claims, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

As shown in fig. 3a to 6, the quick-plug assembling structure between engine intake hard pipes provided by this embodiment includes a first hard pipe 1 and a second hard pipe 2, the first hard pipe 1 is provided with a first joint 11 at a joint, the second hard pipe 2 is provided with a second joint 21 at a joint, the second joint 21 is sleeved in the first joint 11, the outer surface of the second joint 21 is provided with a first clamp groove 211 and a sealing ring 4 at an interval along the axial direction, the outer surface of the first joint 11 is provided with a clamp 3 at a position corresponding to the first clamp groove 211, the first joint 11 is provided with a plurality of through grooves 111 at an interval at a circle corresponding to the position of the clamp 3, the clamp 3 is bent inward at a position corresponding to each through groove 111 to form an inner concave portion 31, when the second joint 21 is sleeved in the first joint 11, each of the inner recesses 31 passes through the corresponding through groove 111 and is snapped into the first clip groove 211 while the seal ring 4 abuts against the inner surface of the first joint 11.

Specifically, when the second joint 21 is sleeved in the first joint 11, the clamp 3 is clamped in the first clamp groove 211 to play a role in fixing and preventing the clamp from falling off, and the sealing ring 4 plays a role in sealing.

Further, the outer surface of the first joint 11 is provided with a second clamp groove 112 at a position corresponding to the clamp 3, the clamp 3 is sleeved in the second clamp groove 112, the second clamp groove 112 can prevent the clamp 3 from falling off or sliding up and down, and meanwhile, when the second joint 21 is separated from the first joint 11 by external force, the second clamp groove 112 plays a role in reinforcement, and the joint can be prevented from being damaged to a certain extent.

Further, the through groove 111 and the inner recess 31 are the same in size, and when the second connector 21 is sleeved in the first connector 11, the inner recess 31 is just snapped into the first clip groove 211 from the through groove 111.

Specifically, when the first hard tube 1 and the second hard tube 2 are assembled, the clamp 3 can be clamped in the second clamp groove 112, the inner concave portion 31 is clamped in the through groove 111, then the second joint 21 is inserted into the first joint 11, the second joint 21 enables the clamp 3 to deform and expand outwards by extruding the inner concave portion 31, at the moment, the inner concave portion 31 abuts against the outer surface of the second joint 21 and continues to be inserted, so that the inner concave portion 31 is clamped in the first clamp groove 211, and the assembly is completed; also can insert first joint 21 completely earlier in first joint 11, block clamp 3 in second clamp groove 112 again, make simultaneously interior recess 31 joint in first clamp groove 211, accomplish the assembly promptly, the second kind of mode can avoid in the assembling process, and interior recess 31 scratches sealing washer 4.

Specifically, the clip 3 is a "U" shaped wire structure having an opening 33, and the "U" shaped structure can facilitate the removal or installation of the clip 3.

Preferably, as shown in fig. 5 and 6, the clamp 3 is provided with three concave portions 31 symmetrically distributed about the center of the clamp 3, and the first connector 11 is provided with three through slots 111 correspondingly.

Preferably, the clamp is made of 65Mn (or spring steel, which has high strength, certain flexibility and plasticity, and has fatigue limit equivalent to that of a multicoloured alloy spring under the same surface state and complete hardenability, but has very poor hardenability, and is mainly used for springs with smaller sizes, such as a pressure regulating and speed regulating spring, a force measuring spring, a round/square spiral spring in general machinery or a spring drawn into a steel wire as small machinery).

The clamp 3 is bent outward in a direction away from the center of the clamp 3 to form an outward protrusion 32, and the outward protrusion 32 is disposed adjacent to one of the inward recesses 31.

Specifically, when the first hard tube 1 and the second hard tube 2 need to be disassembled after being assembled, a screwdriver or other long-strip-shaped hard objects can be inserted into the outer convex part 32 to pry the clamp 3, so that the clamp 3 falls off from the second clamp groove 112, and the first hard tube 1 and the second hard tube 2 can be disassembled.

Further, the outer surface of the second joint 21 is provided with a groove 212 at a position corresponding to the sealing ring 4, the sealing ring 4 is clamped in the groove 212, and the diameter of the sealing ring 4 is larger than the depth of the groove 212.

Specifically, after the first hard tube 1 and the second hard tube 2 are assembled, the inner wall of the first joint 11 presses the seal ring 4, so that a gap between the inner wall of the first joint 11 and the seal ring 4 is eliminated, and the seal effect of the seal ring 4 is better.

Further, the length L1 of the first joint 11 is equal to the length L2 of the second joint 21, the inner diameter of the first joint 11 is larger than the inner diameter of the first hard pipe 1, a step 113 is formed at the connection position of the first joint 11 and the first hard pipe 1 in the first joint 11, and when the second joint 21 is sleeved in the first joint 11, the top end of the second joint 21 abuts against the step 113.

Preferably, the first hard tube 1 and the first joint 11 are integrally formed, and the second hard tube 2 and the second joint 21 are integrally formed.

Preferably, the outer diameter of the tip of the second joint 21 is gradually reduced along the fitting insertion direction S of the second joint 21, so that when the first hard tube 1 and the second hard tube 2 are fitted, the tip of the second joint 21 is prevented from abutting on the concave portion 31, and the second joint 21 can be smoothly inserted.

Further, the packing 4 is closer to the front end of the second joint 21 than the first collar groove 211. Here, the front end of the second contact 21 means an insertion end of the second contact 21 which is first inserted into the first contact 11.

Further, the inner surface of the first joint 11 forms a structure with a tapered inner diameter along the fitting insertion direction S, and the outer surface of the second joint 21 forms a structure with a tapered outer diameter along the fitting insertion direction S.

Specifically, when the second joint 21 is assembled and inserted into the first joint 11, the sealing ring 4 firstly passes through the end position with the larger inner diameter of the first joint 11, and then when the second joint is further inserted, the sealing ring 4 enters the inner position with the smaller inner diameter of the first joint 11, at this time, the sealing ring 4 is tightly attached to the inner surface of the first joint 11, as shown in fig. 4b, that is, the sealing ring 4 tightly abuts against the inner surface of the first joint 11, so that the sealing effect between the first joint 11 and the second joint 21 is realized.

Moreover, since the outer diameter of the second joint 21 at the end position thereof is small, when the second joint 21 is inserted into the first joint 11 in an assembling manner, the end position of the second joint 21 can avoid each of the concave portions 31 of the band 3, and a situation that the second joint 21 is difficult to insert due to interference with each of the concave portions 31 does not occur, after the end position of the second joint 21 is inserted into the first joint 11, the outer surface of the second joint 21 presses each of the concave portions 31, so that each of the concave portions 31 is elastically expanded until the second joint 21 is inserted into position, each of the concave portions 31 is contracted and locked into the first band groove 211, as shown in fig. 4b, thereby achieving an effect of preventing the second joint 21 from falling out of the first joint 11.

The utility model provides a structure is joined in marriage to fast cartridge between engine air intake hard tube, through set up sealing washer 4 on second hard tube 2, make the butt joint department of first hard tube 1 and second hard tube 2 have good leakproofness, utilize the joint structure of clamp 3 and first clamp groove 211 simultaneously, both realized the fixed of first hard tube 1 and second hard tube 2, saved the cost and the mounting process or the welding cost of worm hoop appearance spare, make things convenient for the dismantlement of first hard tube 1 and second hard tube 2 again, the utility model has the advantages of the installation/dismantlement is convenient, the leakproofness is good and the cost is lower.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A quick plug assembling structure between engine air inlet hard pipes comprises a first hard pipe (1) and a second hard pipe (2), wherein the first hard pipe (1) is provided with a first joint (11) at the joint, the second hard pipe (2) is provided with a second joint (21) at the joint, the second joint (21) is sleeved in the first joint (11), the quick plug assembling structure is characterized in that the outer surface of the second joint (21) is provided with first clamp grooves (211) and sealing rings (4) at intervals along the axial direction, the outer surface of the first joint (11) is provided with a clamp (3) at the position corresponding to the first clamp grooves (211), the first joint (11) is provided with a plurality of through grooves (111) at intervals of a circle corresponding to the position of the clamp (3), and the clamp (3) is bent inwards at the position corresponding to each through groove (111) to form an inner concave part (31), when the second connector (21) is sleeved in the first connector (11), each concave part (31) penetrates through the corresponding through groove (111) and is clamped in the first clamp groove (211), and meanwhile, the sealing ring (4) abuts against the inner surface of the first connector (11).

2. The structure for fast inserting and assembling the hard intake pipe of the engine as claimed in claim 1, wherein the outer surface of the first joint (11) is provided with a second clamp groove (112) at a position corresponding to the clamp (3), and the clamp (3) is sleeved in the second clamp groove (112).

3. The structure for fast mounting between hard intake pipes of an engine according to claim 1, wherein the through groove (111) and the inner concave portion (31) are the same size, and the inner concave portion (31) is just clipped into the first clip groove (211) from the through groove (111).

4. The structure for the quick insertion and assembly between the hard intake pipes of the engine as claimed in claim 1, wherein the clamp (3) is a wire structure of a "U" shape having an opening (33).

5. The structure for fast inserting and assembling the hard intake pipes of the engine as claimed in claim 1, wherein the clamping band (3) is bent outwards in a direction away from the center of the clamping band (3) to form an external convex part (32), and the external convex part (32) is arranged adjacent to one of the internal concave parts (31).

6. The engine intake pipe fast-plug assembling structure according to claim 1, wherein the outer surface of the second joint (21) is provided with a groove (212) at a position corresponding to the seal ring (4), the seal ring (4) is clamped in the groove (212), and the diameter of the seal ring (4) is larger than the depth of the groove (212).

7. The engine intake pipe-to-pipe quick-plug fitting structure according to claim 1, wherein the length (L1) of the first joint (11) is equal to the length (L2) of the second joint (21), the inner diameter of the first joint (11) is larger than the inner diameter of the first hard pipe (1), a step (113) is formed in the first joint (11) at the joint of the first joint (11) and the first hard pipe (1), and when the second joint (21) is sleeved in the first joint (11), the top end of the second joint (21) abuts against the step (113).

8. The structure for quick insertion between intake hard pipes of an engine according to claim 1, wherein the seal ring (4) is located closer to the front end of the second joint (21) than the first clip groove (211).

9. The engine air intake hard pipe fast plug fitting structure according to claim 8, wherein the inner surface of the first joint (11) forms a structure with a tapered inner diameter along the fitting insertion direction (S), and the outer surface of the second joint (21) forms a structure with a tapered outer diameter along the fitting insertion direction (S).

10. A vehicle comprising the engine hard intake pipe quick-plug fitting structure according to any one of claims 1 to 9.