CN211693834U

CN211693834U - Pipeline structure of automobile fuel system

Info

Publication number: CN211693834U
Application number: CN202020010046.2U
Authority: CN
Inventors: 李志雄
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-10-16
Anticipated expiration: 2030-01-03

Abstract

The utility model relates to a pipeline structure of an automobile fuel system, which comprises a plastic oil injection pipe body, a C-shaped pipe clamp body and a pipeline; the outer surface of the plastic oil injection pipe body is provided with a third limiting boss; the inner wall of the pipe clamp body is provided with a limiting groove matched with the third limiting boss, two ends of the pipe clamp body are provided with locking devices for locking the C-shaped opening of the pipe clamp body, and the outer wall of the pipe clamp body is provided with a plurality of fixing positions for installing pipelines; the outer surface of the plastic oil injection pipe body is provided with a first limit boss and a second limit boss, and the first limit boss and the second limit boss respectively support the inner side edge and the outer side edge of the pipe clamp body. The plastic oil injection pipe body is provided with a first limiting boss, a second limiting boss and a third limiting boss, so that the pipe clamp body is prevented from rotating and moving, and the pipeline is prevented from interfering with the periphery; the first limiting boss, the second limiting boss, the third limiting boss and the plastic oil injection pipe body are integrally formed in an injection molding mode, working procedures are not added, and production efficiency of products cannot be influenced.

Description

Pipeline structure of automobile fuel system

Technical Field

The utility model relates to an automobile parts field, concretely relates to automobile fuel system pipeline structure.

Background

The span of the pipeline of the automobile fuel system is large, and the pipeline is generally assembled and fixed by a pipe clamp, so that the interference and abrasion between the pipeline and peripheral parts are prevented. As shown in fig. 4, the currently used pipeline structure is to fix the rubber hose on the plastic oil filling pipe 5 by using the pipe clamp 6, and this installation method can fix the positions of the pipeline and the plastic oil filling pipe 5 relatively, and prevent the pipeline from interfering with other peripheral parts, but has the following defects: the pipe clamp 6 is in a clamping connection mode along the circumferential direction of the plastic oil injection pipe 5, and the pipe clamp 6 can rotate and move along the plastic oil injection pipe 5, so that the position of the pipe clamp 6 can deviate, the trend of a pipeline is deviated, and the pipeline interferes with peripheral parts.

The enclosed fixed pipe clamp structure disclosed in chinese patent publication No. CN209115815U includes a C-shaped pipe clamp body, a pipe clamp matching surface attached to the plastic oil injection pipe body is provided on the inner wall of the pipe clamp body, a limit groove matched with a limit boss provided on the outer surface of the plastic oil injection pipe body is further provided on the inner wall of the pipe clamp body, and the outer edge of the pipe clamp body abuts against a positioning boss provided on the outer surface of the plastic oil injection pipe body. The structure can prevent the pipe clamp body from rotating, but the structure can not prevent the pipe clamp body from axially shifting along the plastic oil injection pipe body, and the position of the fixing position can be changed, so that the pipeline fixed on the fixing position is interfered with peripheral parts.

Disclosure of Invention

The utility model aims at providing a car fuel oil system pipeline structure solves and causes the problem that pipeline and peripheral part take place to interfere because of the pipe strap body is along plastics notes oil pipe body axial float.

The utility model discloses a pipeline structure of an automobile fuel system, which comprises a plastic oil injection pipe body, a C-shaped pipe clamp body and a pipeline; the outer surface of the plastic oil filling pipe body is provided with a third limiting boss; the inner wall of the pipe clamp body is provided with a limiting groove matched with the third limiting boss, two ends of the pipe clamp body are provided with locking devices for locking the C-shaped opening of the pipe clamp body, the outer wall of the pipe clamp body is provided with a plurality of fixing positions, and the fixing positions are used for installing the pipeline; the outer surface of the plastic oil injection pipe body is further provided with a first limiting boss and a second limiting boss, and the first limiting boss and the second limiting boss are respectively abutted to the inner side edge and the outer side edge of the pipe clamp body to prevent the pipe clamp body from being driven by axial movement of the plastic oil injection pipe body to cause interference between the pipeline and the periphery.

As a further improvement of the present invention, the third limiting boss is axially arranged along the plastic oil injection pipe body, the second limiting boss and the third limiting boss are perpendicular to each other, and one end of the third limiting boss is connected with the middle part of the second limiting boss; the first limiting boss is parallel to the second limiting boss, and the end portion of the first limiting boss and the end portion of the second limiting boss are located on the same straight line in the axial direction of the plastic oil injection pipe body. Through above-mentioned scheme can be better fix the pipe strap on plastics oiling pipe body, prevent that pipeline and periphery from interfering.

As right the utility model discloses a further improvement, first spacing boss, the spacing boss of second, the spacing boss of third and the integrative injection moulding of plastics notes oil pipe body. By adopting the technical scheme, the production process is not increased, and the production efficiency of the product is not influenced.

As right the utility model discloses a further improvement, the pipeline includes first rubber hose and second rubber hose, first rubber hose, second rubber hose respectively with the fixed position assembly that corresponds.

As right the utility model discloses a further improvement, locking device is including setting up the buckle of pipe strap body one end is in with the setting the draw-in groove of the pipe strap body other end, the buckle with the draw-in groove lock.

As a further improvement, the fixing position is a C-shaped pipe clamp, and the inner diameter of the C-shaped pipe clamp is matched with the pipeline.

The utility model discloses the advantage as follows: the first limiting boss, the second limiting boss and the third limiting boss are arranged on the plastic oil injection pipe body, so that the pipe clamp body is prevented from rotating and moving, and the pipeline is effectively prevented from interfering with peripheral parts; first spacing boss, the spacing boss of second and the spacing boss of third and the integrative injection moulding of plastics notes oil pipe body can not influence the production efficiency of product because of not increasing production processes.

Drawings

Fig. 1 is a schematic structural view of a pipe clamp in the present invention;

FIG. 2 is a schematic structural view of a pipe clamp and a plastic oil injection pipe according to the present invention;

FIG. 3 is a schematic view of the assembly between the pipe clamp and the plastic filler pipe of the present invention;

fig. 4 shows a piping structure of a conventional fuel system in the background art.

In the figure: 1-plastic oil filling pipe body; 2-pipe clamp body; 3-a first rubber hose; 4-a second rubber hose; 11-a first limit boss; 12-a second limit boss; 13-a third limiting boss; 21-pipe clamp assembling surface; 22-a limiting groove; 23, buckling; 24-a card slot; 25-C shaped opening; 26-fixed position.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 3, a pipeline structure of an automobile fuel system comprises a plastic oil filling pipe body 1, a C-shaped pipe clamp body 2 and a pipeline; the outer surface of the plastic oil filling pipe body 1 is provided with a third limiting boss 13; a limiting groove 22 matched with the third limiting boss 13 is formed in the inner wall of the pipe clamp body 2, locking devices for locking a C-shaped opening 25 of the pipe clamp body 2 are arranged at two ends of the pipe clamp body 2, a plurality of fixing positions 26 are formed in the outer wall of the pipe clamp body 2, and pipelines are installed in the fixing positions 26; the outer surface of the plastic oil injection pipe body 1 is also provided with a first limit boss 11 and a second limit boss 12, and the first limit boss 11 and the second limit boss 12 respectively support the inner side edge and the outer side edge of the pipe clamp body 2 to prevent the pipe clamp body 2 from interfering with the periphery along the axial movement of the plastic oil injection pipe body 1.

In the embodiment, the third limiting boss 13 is axially arranged along the plastic oil injection pipe body 1, the second limiting boss 12 is perpendicular to the third limiting boss 13, and one end of the third limiting boss 13 is connected with the middle part of the second limiting boss 12; the first limit boss 11 and the second limit boss 12 are parallel to each other, and the end 111 of the first limit boss 11 and the end 121 of the second limit boss 12 are located on the same straight line in the axial direction of the plastic oil injection pipe body 1.

In the embodiment, the first limiting boss 11, the second limiting boss 12 and the third limiting boss 13 are integrally injection-molded with the plastic filler pipe body 1.

In the present embodiment, the pipeline includes a first rubber hose 3 and a second rubber hose 4, and the first rubber hose 3 and the second rubber hose 4 are respectively assembled with the corresponding fixing positions 26.

In this embodiment, the locking device includes a buckle 23 disposed at one end of the pipe clamp body 2 and a slot 24 disposed at the other end of the pipe clamp body 2, and the buckle 23 is fastened with the slot 24.

In this embodiment, the securing locations 26 are C-shaped tube clamps having an inner diameter that mates with the fixed tubing.

The pipe clamp body 2 is made of plastic, and the pipe clamp is hard; the first rubber hose 3 and the second rubber hose 4 are both made of rubber materials, and the first rubber hose 3 and the second rubber hose 4 are both soft.

The pipe clamp assembling surface 21 of the pipe clamp body 2 is attached to the plastic oil injection pipe body 1, the pipe clamp body 2 is arranged between the first limiting boss 11 and the second limiting boss 12, the limiting groove 22 and the third limiting boss 13 are matched, the buckle 23 and the clamping groove 24 are buckled, and the first rubber hose 3 and the second rubber hose 4 are respectively arranged in the corresponding fixing positions 26.

The structure can effectively prevent the pipeline from interfering with peripheral parts.

Claims

1. A pipeline structure of an automobile fuel system comprises a plastic oil injection pipe body (1), a C-shaped pipe clamp body (2) and a pipeline; a third limiting boss (13) is arranged on the outer surface of the plastic oil filling pipe body (1); a limiting groove (22) matched with the third limiting boss (13) is formed in the inner wall of the pipe clamp body (2), locking devices for locking a C-shaped opening (25) of the pipe clamp body (2) are arranged at two ends of the pipe clamp body (2), a plurality of fixing positions (26) are arranged on the outer wall of the pipe clamp body (2), and the pipeline is installed on the fixing positions (26); the method is characterized in that: plastics oiling pipe body (1) surface still is equipped with first spacing boss (11) and the spacing boss of second (12), first spacing boss (11), the spacing boss of second (12) support respectively the inside and outside border of pipe strap body (2) prevents pipe strap body (2) are followed plastics oiling pipe body (1) axial float is caused the pipeline interferes with the periphery.

2. The automotive fuel system piping structure according to claim 1, characterized in that: the third limiting boss (13) is axially arranged along the plastic oil injection pipe body (1), the second limiting boss (12) is perpendicular to the third limiting boss (13), and one end of the third limiting boss (13) is connected with the middle part of the second limiting boss (12); first spacing boss (11) with spacing boss (12) of second are parallel to each other, just tip (111) of first spacing boss (11) with tip (121) of spacing boss (12) of second are in plastics oiling pipe body (1) is located same straight line on the axial.

3. The automotive fuel system piping structure according to claim 1 or 2, characterized in that: the first limiting boss (11), the second limiting boss (12) and the third limiting boss (13) are integrally formed with the plastic oil injection pipe body (1) in an injection molding mode.

4. The automotive fuel system piping structure according to claim 1, characterized in that: the pipeline comprises a first rubber hose (3) and a second rubber hose (4), and the first rubber hose (3) and the second rubber hose (4) are respectively assembled with corresponding fixing positions (26).

5. The automotive fuel system piping structure according to claim 1, characterized in that: the locking device comprises a buckle (23) arranged at one end of the pipe clamp body (2) and a clamping groove (24) arranged at the other end of the pipe clamp body (2), and the buckle (23) is buckled with the clamping groove (24).

6. The automotive fuel system piping structure according to claim 1, characterized in that: the fixing position (26) is a C-shaped pipe clamp, and the inner diameter of the C-shaped pipe clamp is matched with the fixed pipeline.