阅读说明：本技术 管道连接结构 (Pipeline connecting structure ) 是由 朱箴箴 梁晓峰 胡见 朱永成 宋述岗 谢永强 代建峰 陈帅 于 2019-01-07 设计创作，主要内容包括：一种管道连接结构,包括密封圈、硬管、装配件和环箍,密封圈的外壁上设有第一凸台和第二凸台,密封圈内设有安装腔,硬管上设有第一定位孔和第二定位孔,密封圈的一端设置在硬管内,第一凸台设置在第一定位孔内,第二凸台穿过第二定位孔,装配件的一端设置密封圈内,环箍套在硬管上,环箍与第二凸台配合以紧固硬管、密封圈和装配件。本发明的管道连接结构能够限定环箍的安装位置,拆装方便,密封性能好,提升了硬管与装配件连接的可靠性。(The utility model provides a pipeline connection structure, including the sealing washer, the hard tube, assembly part and hoop, be equipped with first boss and second boss on the outer wall of sealing washer, be equipped with the installation cavity in the sealing washer, be equipped with first locating hole and second locating hole on the hard tube, the one end setting of sealing washer is in the hard tube, first boss sets up in first locating hole, the second boss passes the second locating hole, the one end of assembly part sets up in the sealing washer, the hoop cover is on the hard tube, hoop and second boss cooperation are with the fastening hard tube, sealing washer and assembly part. The pipeline connecting structure can limit the installation position of the hoop, is convenient to disassemble and assemble, has good sealing performance, and improves the connection reliability of the hard pipe and the assembly part.)

1. The utility model provides a pipeline connecting structure, its characterized in that includes sealing washer, hard tube, assembly part and hoop, be equipped with first boss and second boss on the outer wall of sealing washer, be equipped with the installation cavity in the sealing washer, be equipped with first locating hole and second locating hole on the hard tube, the one end setting of sealing washer is in the hard tube, first boss sets up in the first locating hole, the second boss passes the second locating hole, the one end setting of assembly part in the sealing washer, the hoop cover is in on the hard tube, the hoop with the cooperation of second boss is in order to fasten the hard tube the sealing washer with the assembly part.

2. The pipe coupling according to claim 1, wherein a plurality of sealing rings are provided on the wall of said installation cavity, each of said sealing rings being disposed around the axis of said installation cavity and being spaced apart from each other along the axis of said installation cavity, each of said sealing rings resiliently bearing against said fitting when said collar tightens said hard pipe, said sealing rings and said fitting.

3. The pipe coupling according to claim 1, wherein said sealing ring includes opposite first and second ends, said first end being provided with a stop ring, said stop ring being attached to the wall of said mounting cavity, said stop ring being disposed around the axis of said mounting cavity, said fitting end abutting against said stop ring.

4. The pipe connection structure according to claim 3, wherein the fitting member is provided with a connection pipe engaged with the seal ring, one end of the connection pipe is disposed in the installation cavity, a stopper is provided on an outer wall of the connection pipe, and a second end of the seal ring abuts against the stopper.

5. The pipe connection structure according to claim 3, wherein a limiting block is disposed at the second end of the sealing ring, the limiting block is disposed on the outer wall of the sealing ring, the limiting block is disposed around the axis of the installation cavity, a limiting groove is disposed at a side of the limiting block close to the hard pipe, and an end of the hard pipe is disposed in the limiting groove.

6. The pipe connection structure according to claim 3, wherein the hard pipe includes an air inlet section and a connection section, an inner diameter of the air inlet section is smaller than an inner diameter of the connection section, the seal ring is disposed in the connection section, and the first positioning hole and the second positioning hole are disposed on the connection section.

7. The pipe connection according to claim 1, wherein said collar has a detent, said second projection is disposed in said detent, and said second projection engages said detent to position said collar.

8. The pipe connection structure according to claim 7, wherein the second boss includes a column body and a stopper, one end of the column body is connected to the seal ring, the other end of the column body is connected to the stopper, an outer diameter of the column body is smaller than an outer diameter of the stopper, the column body is disposed in the detent groove, and the stopper is disposed outside the detent groove.

9. The pipe connection structure according to claim 1, wherein the hard pipe is an air pipe, and the fitting is an air cleaner or a turbocharger.

Technical Field

The invention relates to the technical field of pipeline connection, in particular to a pipeline connection structure.

Background

In designing the air intake system, the air duct assembly is classified into two types, a hose and a hard tube, depending on the layout boundary and the material. The air pipe hard tube is made of nylon materials, cannot be directly assembled with a turbocharger or an air filter, and needs to be additionally provided with a sealing ring to realize connection of the hard tube and the hard tube. The sealing ring is compressed by the hoop, so that the tightness between the air pipe hard pipe and the assembly part is ensured.

However, when the hoop fixes the air pipe rigid pipe and the fitting part, the position of the hoop cannot be fixed, which not only causes difficulty in assembly, but also cannot ensure the sealing effect. Moreover, the existing sealing ring is not provided with a positioning structure, and the sealing ring is accommodated and rotated, so that the pipe orifice connecting part is not tight.

Disclosure of Invention

In view of this, the present invention provides a pipe connection structure, which can limit the installation position of a hoop, is convenient to disassemble and assemble, has good sealing performance, and improves the reliability of connection between a hard pipe and an assembly member.

The utility model provides a pipeline connection structure, including the sealing washer, the hard tube, assembly part and hoop, be equipped with first boss and second boss on the outer wall of sealing washer, be equipped with the installation cavity in the sealing washer, be equipped with first locating hole and second locating hole on the hard tube, the one end setting of sealing washer is in the hard tube, first boss sets up in first locating hole, the second boss passes the second locating hole, the one end of assembly part sets up in the sealing washer, the hoop cover is on the hard tube, hoop and second boss cooperation are with the fastening hard tube, sealing washer and assembly part.

In an embodiment of the present invention, a plurality of sealing rings are disposed on a wall of the installation cavity, each sealing ring is disposed around an axis of the installation cavity, and the sealing rings are spaced from each other along the axis of the installation cavity, and each sealing ring elastically abuts against the assembly when the hoop fastens the hard tube, the sealing ring, and the assembly.

In an embodiment of the present invention, the sealing ring includes a first end and a second end opposite to each other, the first end is provided with a stop ring, the stop ring is connected to a wall of the installation cavity, the stop ring is arranged around an axis of the installation cavity, and an end of the assembly abuts against the stop ring.

In the embodiment of the invention, the assembly part is provided with a connecting pipe matched with the sealing ring, one end of the connecting pipe is arranged in the mounting cavity, the outer wall of the connecting pipe is provided with a stop block, and the second end of the sealing ring abuts against the stop block.

In the embodiment of the invention, the second end of the sealing ring is provided with a limiting block, the limiting block is arranged on the outer wall of the sealing ring and is arranged around the axis of the mounting cavity, one side of the limiting block, which is close to the hard tube, is provided with a limiting groove, and the end part of the hard tube is arranged in the limiting groove.

In an embodiment of the present invention, the hard tube includes an air inlet section and a connecting section, an inner diameter of the air inlet section is smaller than an inner diameter of the connecting section, the sealing ring is disposed in the connecting section, and the first positioning hole and the second positioning hole are disposed on the connecting section.

In an embodiment of the present invention, the hoop is provided with a positioning groove, the second boss is disposed in the positioning groove, and the second boss and the positioning groove cooperate to position the hoop.

In an embodiment of the present invention, the second boss includes a column body and a limiting head, one end of the column body is connected to the sealing ring, the other end of the column body is connected to the limiting head, an outer diameter of the column body is smaller than an outer diameter of the limiting head, the column body is disposed in the clamping groove, and the limiting head is disposed outside the clamping groove.

In an embodiment of the present invention, the hard tube is an air tube, and the fitting is an air cleaner or a turbocharger.

The outer wall of a sealing ring of the pipeline connecting structure is provided with a first boss and a second boss, an installation cavity is arranged in the sealing ring, a first positioning hole and a second positioning hole are formed in a hard pipe, one end of the sealing ring is arranged in the hard pipe, the first boss is arranged in the first positioning hole, the second boss penetrates through the second positioning hole, one end of an assembly part is arranged in the sealing ring, a hoop is sleeved on the hard pipe, and the hoop and the second boss are matched to fasten the hard pipe, the sealing ring and the assembly part. The pipeline connecting structure can limit the installation position of the hoop, is convenient to disassemble and assemble, has good sealing performance, and improves the connection reliability of the hard pipe and the assembly part.

Drawings

Fig. 1 is a perspective view illustrating a pipe connection structure according to the present invention.

Fig. 2 is a schematic sectional view of the pipe connection structure shown in fig. 1.

Fig. 3 is a schematic perspective view of the seal ring of the present invention.

Fig. 4 is a side view of the seal ring shown in fig. 3.

Fig. 5 is a schematic sectional view of the seal ring shown in fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a perspective view illustrating a pipe connection structure according to the present invention. Fig. 2 is a schematic sectional view of the pipe connection structure shown in fig. 1. As shown in fig. 1 and 2, the pipe connecting structure 10 includes a packing 11, a hard pipe 12, a fitting 13, and a collar 14.

Fig. 3 is a schematic perspective view of the seal ring of the present invention. Fig. 4 is a side view of the seal ring shown in fig. 3. Fig. 5 is a schematic sectional view of the seal ring shown in fig. 3. Referring to fig. 1 to 5, the sealing ring 11 is a tubular structure, and the sealing ring 11 is used for connecting the hard tube 12 and the fitting 13. The outer wall of the sealing ring 11 is provided with a first boss 112 and a second boss 113, the number of the first bosses 112 is, for example, 3, and the number of the second bosses 113 is, for example, 2, but not limited thereto. The second boss 113 includes a column 113a and a limiting head 113b, one end of the column 113a is connected to the sealing ring 11, the other end of the column 113a is connected to the limiting head 113b, the outer diameter of the column 113a is smaller than the outer diameter of the limiting head 113b, and the limiting head 113b is used for realizing the clamping effect. Be equipped with installation cavity 101 in the sealing washer 11, installation cavity 101 runs through sealing washer 11 along the axis of sealing washer 11, is equipped with a plurality of sealing rings 114 on the chamber wall of installation cavity 101, and each sealing ring 114 sets up round the axis of installation cavity 101, and each sealing ring 114 sets up along the mutual interval of the axis of installation cavity 101, forms the elastic deformation clearance between two adjacent sealing rings 114.

Further, the sealing ring 11 includes opposite first and second ends 11a and 11 b. The first end 11a of the sealing ring 11 is provided with a stop ring 115, the stop ring 115 is connected to the wall of the installation cavity 101, and the stop ring 115 is arranged around the axis of the installation cavity 101. Second end 11b of sealing washer 11 is equipped with stopper 116, and stopper 116 sets up on the outer wall of sealing washer 11, and stopper 116 sets up round the axis of installation cavity 101, and one side of stopper 116 is equipped with spacing groove 102, and spacing groove 102 round the axis setting of installation cavity 101. In the present embodiment, the sealing ring 11 is made of an elastic material, such as rubber, plastic, etc., but not limited thereto, that is, the sealing ring 11 can be elastically deformed when being pressed.

It is worth mentioning that the stop ring 115 may be integrally formed by bending the end of the first end 11a in a direction toward the axis of the sealing ring 11; the stopper 116 may be integrally formed by bending an end of the second end 11b in a direction away from the axis of the sealing ring 11, and a stopper groove 102 is formed between the stopper 116 and the outer wall of the sealing ring 11.

As shown in fig. 1 and 2, the hard pipe 12 is, for example, an air pipe for conveying air. Be equipped with first locating hole 103 and second locating hole 104 on the hard tube 12, the first end 11a of sealing washer 11 sets up in hard tube 12, the tip of hard tube 12 sets up in spacing groove 102 (the notch of spacing groove 102 is towards hard tube 12), first boss 112 sets up in first locating hole 103, second boss 113 passes second locating hole 104, first boss 112 can prevent that sealing washer 11 from rotating, second boss 113 can fix a position hoop 14, guarantee the leakproofness of assembly.

Further, the hard tube 12 includes an air inlet section 121 and a connecting section 122. The air inlet section 121 and the connecting section 122 are communicated with each other, the inner diameter of the air inlet section 121 is smaller than that of the connecting section 122, the sealing ring 11 is arranged in the connecting section 122, and the first end 11a of the sealing ring 11 is arranged on a shoulder of the air inlet section 121 connected with the connecting section 122. The first positioning hole 103 and the second positioning hole 104 are disposed on the connecting section 122 and penetrate through the connecting section 122. In the present embodiment, the hard tube 12 is made of nylon material, but not limited thereto.

As shown in fig. 1 and 2, one end of the fitting 13 is disposed in the gasket 11, the end of the fitting 13 abuts against the stop ring 115, the hoop 14 is sleeved on the hard tube 12, the hoop 14 and the second boss 113 are matched to fasten the hard tube 12, the gasket 11 and the fitting 13, and when the hoop 14 fastens the hard tube 12, the gasket 11 and the fitting 13, each gasket 114 elastically abuts against the fitting 13, so that a multi-layer sealing effect is formed between the gasket 11 and the fitting 13, and the sealing performance between the hard tube 12 and the fitting 13 can be effectively ensured.

Further, the assembly part 13 is an air cleaner or a turbocharger, the assembly part 13 is provided with a connecting pipe 131 matched with the sealing ring 11, one end of the connecting pipe 131 is arranged in the installation cavity 101, the outer wall of the connecting pipe 131 is provided with a stop block 132, the stop block 132 is arranged outside the installation cavity 101, the stop block 132 is arranged along the circumferential direction of the connecting pipe 131, and the second end 11b of the sealing ring 11 abuts against the stop block 132. In the present embodiment, the connection pipe 131 is made of steel, i.e., the connection pipe 131 is also a hard pipe.

As shown in fig. 1 and 2, the locking groove 104 is formed on the hoop 14, the second protrusion 113 is disposed in the locking groove 104, the second protrusion 113 cooperates with the locking groove 104 to position the hoop 14, and the hoop 14 can be easily detached from the hard tube 12. When the second boss 113 is engaged with the locking groove 104, the column 113a of the second boss 113 is located in the locking groove 104, and the position-limiting head 113b of the second boss 113 is located outside the locking groove 104, so as to position the hoop 14.

The outer wall of a sealing ring 11 of the pipeline connecting structure 10 is provided with a first boss 112 and a second boss 113, a mounting cavity 101 is arranged in the sealing ring 11, a first positioning hole 103 and a second positioning hole 104 are arranged on a hard pipe 12, one end of the sealing ring 11 is arranged in the hard pipe 12, the first boss 112 is arranged in the first positioning hole 103, the second boss 113 penetrates through the second positioning hole 104, one end of an assembly part 13 is arranged in the sealing ring 11, a hoop 14 is sleeved on the hard pipe 12, and the hoop 14 is matched with the second boss 113 to fasten the hard pipe 12, the sealing ring 11 and the assembly part 13. The pipeline connecting structure 10 can limit the installation position of the hoop 14, is convenient to disassemble and assemble, has good sealing performance, and improves the reliability of the connection between the hard pipe 12 and the assembly part 13.

Moreover, when the hoop 14 fastens the hard tube 12, the seal ring 11 and the assembly 13, each seal ring 114 elastically abuts against the assembly 13, each seal ring 114 enables the connection between the hard tube 12 and the assembly 13 to be more reliable, the hard tube and the assembly 13 cannot be overturned, elastic deformation gaps exist among the seal rings 114, the contact surface with the connecting tube 131 of the assembly 13 is increased, a multi-layer sealing effect is formed, and the sealing effect is good.

In addition, the pipeline connecting structure 10 of the invention can realize the assembly of the hard pipe and the hard pipe, reduces the structure of the mutual connection of the hard pipe, the hose and the hard pipe in the design process, not only facilitates the arrangement of the connecting structure, but also reduces the production cost. The pipe connecting structure 10 of the present invention has a larger design space for the hard pipe 12 and the corresponding fitting 13 according to different vehicle types.

The present invention is not limited to the specific details of the above-described embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.