CN209955970U

CN209955970U - Rear brake hard tube connecting structure of passenger vehicle

Info

Publication number: CN209955970U
Application number: CN201920521272.4U
Authority: CN
Inventors: 卢小龙; 邓成平
Original assignee: SHANGHAI SHUANGJIE TECHNOLOGY Co Ltd
Current assignee: SHANGHAI SHUANGJIE TECHNOLOGY Co Ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-17
Anticipated expiration: 2029-04-17

Abstract

The utility model provides a hard tube connection structure brakes behind passenger car belongs to automobile brake system's brake piping design technical field. The brake device comprises a first hexagonal steel nut, a second hexagonal steel nut, a first rear brake hard tube and a second rear brake hard tube; the first rear braking hard tube and the second rear braking hard tube are provided with double-layer coiled tube joints; the joint of the first rear braking hard pipe is of a concave structure, and the joint of the second rear braking hard pipe is of a convex structure; first hexagonal steel nut cooperatees with the second hexagonal steel nut, and braking hard tube closure is connected after will first back braking hard tube and second. The utility model discloses mainly use the segmentation department at the rear brake hard tube pipeline of passenger car, realize the connection of hard tube with simple structure, removed original two-way welding stent and construction bolt, directly connect two brake pipe seals with the nut and link together, both ends suitable distance department is fixed on automobile body welding bolt with the plastics pipe clamp, and the installation is simple, and the cost is reduced has also alleviateed the weight of whole car.

Description

Rear brake hard tube connecting structure of passenger vehicle

Technical Field

The utility model belongs to the technical field of automobile brake system's brake piping design, a novel braking hard tube connection structure is related to.

Background

Because the rear brake hard tube is too long and inconvenient to install, the brake hard tube is generally designed in a segmented mode. Nowadays, with the vigorous development of economy, people have higher and higher requirements on the quality of life. However, a negative impact of economic development is resource shortage and severe environmental pollution. Therefore, the country advocates low carbon and environmental protection, improves the environment and saves resources. The automobile industry is a strut industry of economic development, the issues of energy conservation, emission reduction and light weight gradually become the focus of attention with the development of the automobile industry, the mass of the whole automobile is reduced by 10%, the fuel efficiency can be improved by 2% -5%, the weight of the whole automobile needs to be reduced from the design of each part, an automobile braking system belongs to an important system of a chassis, the braking system mainly comprises pneumatic braking and hydraulic braking, and a car owner at the present stage adopts hydraulic braking and good hydraulic braking, and can not leave a high-quality braking pipeline.

Most of cars are provided with a two-way pipe and a welding bracket at the rear brake hard pipe section, and then the two-way pipe and the welding bracket are installed on the floor of a car body or other parts of the car body by two screws. The prior art discloses a braking hard tube connecting support, referring to fig. 1 and fig. 2, the common points are that a two-way 1 and a stamping part support 2 are provided, the two-way 1 and the support 2 are welded together, then surface treatment is carried out, a two-way support assembly is installed on a vehicle body by using a bolt 3, then a left rear braking hard tube front section 4, a rear section 5, a right rear braking hard tube front section 6 and a rear section 7 are connected with the two-way 1, and a pipe joint nut is fastened by using a wrench. The braking hard tube connection structure in the two prior art has the advantages of complex process, more installation procedures, high material cost and no lightweight design concept.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a braking hard tube connection structure behind passenger car mainly is the segmentation department who uses braking hard tube pipeline behind the passenger car, realizes the connection of hard tube with simple structure.

In order to achieve the above object, the utility model provides a following technical scheme:

a rear brake hard tube connecting structure of a passenger vehicle comprises a first hexagonal steel nut, a second hexagonal steel nut, a first rear brake hard tube and a second rear brake hard tube; the first rear braking hard tube and the second rear braking hard tube are provided with double-layer coiled tube joints; the joint of the first rear braking hard pipe is of a concave structure, and the joint of the second rear braking hard pipe is of a convex structure; the joint of the first rear braking hard tube is connected with the first hexagonal steel nut, the joint of the second rear braking hard tube is connected with the second hexagonal steel nut, the first hexagonal steel nut is matched with the second hexagonal steel nut, and the first rear braking hard tube is directly connected with the second rear braking hard tube in a closed mode.

According to an aspect of the present invention, the first rear brake pipe and the second rear brake pipe adopt a pipe having an outer diameter of 4.76 mm and a wall thickness of 0.7 mm.

According to an aspect of the present invention, the joint of the first rear brake hard pipe is concave 90 degrees, and the joint of the second rear brake hard pipe is convex 115 degrees.

According to the utility model discloses an aspect, the size of first hexagonal steel nut is: the opposite side is 12 mm wide, and M10 is multiplied by 1.0 internal threads; the hexagonal steel nut has the following dimensions: opposite sides 10 mm wide, M10 x 1.0 external threads.

Due to the adoption of the scheme, the beneficial effects of the utility model are that:

the utility model belongs to braking system's brake piping lightweight design relates to a novel connection structure of braking hard tube. The connecting device is mainly applied to the subsection of a rear brake hard pipe pipeline of a passenger vehicle, and the hard pipe is connected by a simple structure. The utility model discloses mainly having removed original two logical welding stent and construction bolt, directly having connected two brake pipe closure together with the nut joint, both ends suitable distance department is fixed on automobile body welding bolt with the plastics pipe clamp, and the installation is simple, and the cost is reduced has also alleviateed the weight of whole car.

Drawings

FIG. 1 is a diagram of an embodiment of a prior art brake hard tube attachment bracket.

FIG. 2 is a second view of a prior art brake hard tube attachment bracket.

Fig. 3 is the connecting structure diagram of the rear brake hard tube of the passenger car.

Fig. 4 is a cross-sectional view of the brake pipe joint of the present invention.

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.

Referring to fig. 3, the utility model discloses mainly be through

hexagonal steel nut

10, 20 with the double-deck system of rolling up system connect back braking

hard tube

30, 40 direct closed link together. The utility model discloses braking hard tube connection structure, simple to operate, and reduce cost.

Referring to fig. 4, the utility model discloses move hard tube connection structure, back braking hard tube is double-deck system roll up union coupling, adopts the hard tube that external diameter phi 4.76 millimeters, wall thickness are 0.7 millimeters. The front section 30 of the rear brake hard tube is connected with a concave 90-degree structure, and the rear section 40 of the rear brake hard tube is connected with a convex 115-degree structure, as shown in fig. 4. The rear braking hard pipe segments directly connect the front and rear braking

hard pipes

30 and 40 in a sealing way by using

hexagonal steel nuts

10 and 20. The hexagonal steel nut 10 has the following dimensions: the opposite side is 12 mm wide, and M10 is multiplied by 1.0 internal threads; the hexagonal steel nut 20 has the following dimensions: opposite sides 10 mm wide, M10 x 1.0 external threads. The original two-way fixing bracket is omitted, the installation is simple and convenient, the brake pipe is convenient to maintain, disassemble and assemble, and the cost is saved.

The embodiments described above are described to facilitate understanding and application of the present patent to those of ordinary skill in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the embodiments herein, and those skilled in the art should understand that modifications and alterations made without departing from the scope of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a hard tube connection structure brakes behind passenger car which characterized in that: the brake device comprises a first hexagonal steel nut (10), a second hexagonal steel nut (20), a first rear brake hard tube (30) and a second rear brake hard tube (40); the first rear brake hard pipe (30) and the second rear brake hard pipe (40) are provided with double-layer rolled pipe joints; the joint of the first rear braking hard pipe (30) is of a concave structure, and the joint of the second rear braking hard pipe (40) is of a convex structure; the joint of the first rear braking hard pipe (30) is connected with the first hexagonal steel nut (10), the joint of the second rear braking hard pipe (40) is connected with the second hexagonal steel nut (20), the first hexagonal steel nut (10) is matched with the second hexagonal steel nut (20), and the first rear braking hard pipe (30) is directly connected with the second rear braking hard pipe (40) in a closed mode.

2. The passenger car rear brake hard tube connection structure according to claim 1, characterized in that: the first rear braking hard tube (30) and the second rear braking hard tube (40) are hard tubes with the outer diameter phi of 4.76 mm and the wall thickness of 0.7 mm.

3. The passenger car rear brake hard tube connection structure according to claim 1, characterized in that: the joint of the first rear braking hard pipe (30) is concave 90 degrees, and the joint of the second rear braking hard pipe (40) is convex 115 degrees.

4. The passenger car rear brake hard tube connection structure according to claim 1, characterized in that: the first hexagonal steel nut (10) has the following dimensions: the opposite side is 12 mm wide, and M10 is multiplied by 1.0 internal threads; the hexagonal steel nut (20) has the following dimensions: opposite sides 10 mm wide, M10 x 1.0 external threads.