CN211737330U

CN211737330U - Welding rib structure of intake manifold

Info

Publication number: CN211737330U
Application number: CN201922305323.2U
Authority: CN
Inventors: 方立锋; 蔡炳芳; 饶聪超; 杨竞帆
Original assignee: Shentong Technology Group Co Ltd
Current assignee: Shentong Technology Group Co Ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-10-23
Anticipated expiration: 2029-12-19

Abstract

The utility model relates to an air intake manifold welds muscle structure, include: the welding device comprises a lower shell, an upper shell, a lower welding rib and an upper welding rib, wherein the lower welding rib is arranged on the lower shell, the upper end of the lower welding rib is flush with the upper end of the lower shell, and the upper welding rib is arranged on the upper shell, and the lower end of the upper welding rib is flush with the lower end of the upper shell; the upper end of the lower welding rib is provided with a lower accommodating groove, and the lower end of the lower accommodating groove is provided with a lower lug; the lower end of the upper welding rib is provided with an upper convex block which extends into the lower accommodating groove and the lower end of which props against the upper end of the lower convex block; a welding gap is formed between the upper end of the lower welding rib and the lower end of the upper welding rib; the width of the upper convex block is larger than that of the lower convex block, and welding gaps are respectively arranged between the two side ends of the upper convex block and the two ends of the lower accommodating groove. The welding rib structure of the intake manifold is easy to align, convenient to weld and high in welding strength.

Description

Welding rib structure of intake manifold

Technical Field

The utility model belongs to the technical field of car air intake manifold and specifically relates to an air intake manifold welds muscle structure.

Background

The plastic intake manifold has the characteristics of low cost, easy molding, corrosion resistance, good insulation property and the like, and is widely applied to automobiles; due to the limitations of the way plastic parts are machined, plastic intake manifolds are typically designed in multiple pieces that are then secured together by welding. Chinese patent application No.: CN 201820309073.2's utility model relates to a take high strength air intake manifold of point type welding muscle structure, including last lamellar body and the lower lamellar body that stacks in proper order, go up lamellar body and lower lamellar body and weld an organic whole through the rectangular welding muscle that sets up at edge separately, and go up the inner space that lamellar body and lower lamellar body are constituteed and still form airtight steady voltage chamber and the pipeline that supplies inside gas flow, last lamellar body and lower lamellar body on be equipped with the point type welding muscle that the position corresponds, the figure is unanimous respectively, and go up the lamellar body and weld an organic whole with the point type welding muscle that the position corresponds on the lower lamellar body. According to the welding rib structure, the strip-shaped welding ribs arranged at the edges of the upper sheet body and the lower sheet body and the point-type welding ribs corresponding in position and consistent in number are welded into a whole, so that the defects of difficult alignment, inconvenient welding and low welding strength exist; therefore, the design of the welding rib structure of the intake manifold, which has the advantages of easy alignment, convenient welding and high welding strength, becomes a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming present welding muscle structure, through last lamellar body and the respective rectangular welding muscle that sets up at the edge of lower lamellar body separately, and the point type welding muscle that the position corresponds, the figure is unanimous welds integratively, has the difficulty of counterpointing, and it is not convenient enough to weld, and welding strength is lower not enough, provides one kind and counterpoints easily, and the welding is convenient, and the higher air intake manifold welding muscle structure of welding strength.

The utility model discloses a concrete technical scheme is:

an intake manifold weld bead structure comprising: the welding device comprises a lower shell, an upper shell, a lower welding rib and an upper welding rib, wherein the lower welding rib is arranged on the lower shell, the upper end of the lower welding rib is flush with the upper end of the lower shell, and the upper welding rib is arranged on the upper shell, and the lower end of the upper welding rib is flush with the lower end of the upper shell; the upper end of the lower welding rib is provided with a lower accommodating groove, and the lower end of the lower accommodating groove is provided with a lower lug; the lower end of the upper welding rib is provided with an upper convex block which extends into the lower accommodating groove and the lower end of which props against the upper end of the lower convex block; a welding gap is formed between the upper end of the lower welding rib and the lower end of the upper welding rib; the width of the upper convex block is larger than that of the lower convex block, and welding gaps are respectively arranged between the two side ends of the upper convex block and the two ends of the lower accommodating groove. Intake manifold welding muscle structure, go up the welding muscle lower extreme and be equipped with and stretch into down in the storage tank and the lower extreme supports the last lug of protruding piece upper end down, the counterpoint is easy, the welding is convenient, welding space that welding muscle and last welding muscle have under between welding muscle upper end and the last welding muscle lower extreme has down, the welding space welding that has respectively between the both sides end of going up the lug and the both ends of storage tank down has lengthened welding seam length, welding strength is higher.

Preferably, the lower end of the upper welding rib is provided with an upper accommodating groove with the width smaller than that of the lower lug; the upper end of the lower convex block is provided with a middle convex block extending into the upper accommodating groove; a welding gap is arranged between the upper end of the middle lug and the upper end of the upper containing groove, and welding gaps are respectively arranged between the two side ends of the middle lug and the two ends of the upper containing groove. The welding gaps are formed between the upper ends of the middle convex blocks and the upper ends of the upper accommodating grooves of the lower welding ribs and the upper welding ribs, and the welding gaps are formed between the two side ends of the middle convex blocks and the two ends of the upper accommodating grooves for welding, so that the length of a welding seam is further lengthened, and the welding strength is improved.

Preferably, the two side ends of the upper convex block are respectively transited with the lower end of the upper welding rib through arc surfaces. The welding stress is reduced, and the strength is improved.

Compared with the prior art, the beneficial effects of the utility model are that: intake manifold welding muscle structure, go up the welding muscle lower extreme and be equipped with and stretch into down in the storage tank and the lower extreme supports the last lug of protruding piece upper end down, the counterpoint is easy, the welding is convenient, welding space that welding muscle and last welding muscle have under between welding muscle upper end and the last welding muscle lower extreme has down, the welding space welding that has respectively between the both sides end of going up the lug and the both ends of storage tank down has lengthened welding seam length, welding strength is higher. The welding gaps are formed between the upper ends of the middle convex blocks and the upper ends of the upper accommodating grooves of the lower welding ribs and the upper welding ribs, and the welding gaps are formed between the two side ends of the middle convex blocks and the two ends of the upper accommodating grooves for welding, so that the length of a welding seam is further lengthened, and the welding strength is improved. The two side ends of the upper lug are respectively transited with the lower end of the upper welding rib through arc surfaces, so that the welding stress is reduced, and the strength is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the shell comprises a lower shell 1, an upper shell 2, a lower welding rib 3, an upper welding rib 4, a lower accommodating groove 5, a lower convex block 6, an upper convex block 7, an upper accommodating groove 8, a middle convex block 9 and an arc surface 10.

Detailed Description

The invention will be further described with reference to the drawings.

As shown in figure 1: an intake manifold weld bead structure comprising: the welding device comprises a lower shell 1, an upper shell 2, a lower welding rib 3 and an upper welding rib 4, wherein the lower welding rib 3 is arranged on the lower shell 1, the upper end of the lower welding rib is flush with the upper end of the lower shell 1, and the lower welding rib 4 is arranged on the upper shell 2, and the lower end of the upper welding rib is flush with the lower end of the upper shell 2; the upper end of the lower welding rib 3 is provided with a lower containing groove 5, and the lower end of the lower containing groove 5 is provided with a lower lug 6; the lower end of the upper welding rib 4 is provided with an upper lug 7 which extends into the lower accommodating groove 5 and the lower end of which abuts against the upper end of the lower lug 6; a welding gap is formed between the upper end of the lower welding rib 3 and the lower end of the upper welding rib 4; the width of the upper lug 7 is larger than that of the lower lug 6, and welding gaps are respectively arranged between the two side ends of the upper lug 7 and the two ends of the lower accommodating groove 5.

The lower end of the upper welding rib 4 is provided with an upper accommodating groove 8 with the width smaller than that of the lower lug 6; the upper end of the lower lug 6 is provided with a middle lug 9 extending into the upper accommodating groove 8; a welding gap is formed between the upper end of the middle bump 9 and the upper end of the upper accommodating groove 8, and welding gaps are respectively formed between the two side ends of the middle bump 9 and the two ends of the upper accommodating groove 8.

And the two side ends of the upper convex block 7 are respectively transited with the lower end of the upper welding rib 4 through an arc surface 10.

In addition to the above embodiments, the technical features or technical data of the present invention can be selected and combined again within the scope disclosed in the claims and the specification of the present invention to constitute new embodiments, which can be realized by those skilled in the art without creative efforts, and therefore, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and within the protection scope of the present invention.

Claims

1. An intake manifold weld bead structure comprising: lower casing, go up the casing, characterized by, intake manifold welding muscle structure still include: the lower welding rib is arranged on the lower shell, the upper end of the lower welding rib is flush with the upper end of the lower shell, and the upper welding rib is arranged on the upper shell, and the lower end of the upper welding rib is flush with the lower end of the upper shell; the upper end of the lower welding rib is provided with a lower accommodating groove, and the lower end of the lower accommodating groove is provided with a lower lug; the lower end of the upper welding rib is provided with an upper convex block which extends into the lower accommodating groove and the lower end of which props against the upper end of the lower convex block; a welding gap is formed between the upper end of the lower welding rib and the lower end of the upper welding rib; the width of the upper convex block is larger than that of the lower convex block, and welding gaps are respectively arranged between the two side ends of the upper convex block and the two ends of the lower accommodating groove.

2. The welded rib structure for an intake manifold according to claim 1, wherein: the lower end of the upper welding rib is provided with an upper accommodating groove with the width smaller than that of the lower lug; the upper end of the lower convex block is provided with a middle convex block extending into the upper accommodating groove; a welding gap is arranged between the upper end of the middle lug and the upper end of the upper containing groove, and welding gaps are respectively arranged between the two side ends of the middle lug and the two ends of the upper containing groove.

3. The intake manifold weld bead structure according to claim 1 or 2, wherein: and the two side ends of the upper lug are respectively transited with the lower end of the upper welding rib through arc surfaces.