CN214064164U

CN214064164U - Metal joint for chassis brake system of passenger vehicle

Info

Publication number: CN214064164U
Application number: CN202023196961.4U
Authority: CN
Inventors: 卢佳乐; 吴永全; 于鹏; 吴捷
Original assignee: Qingdao Sunsong Metal Manufacturing Co ltd
Current assignee: Qingdao Sunsong Metal Manufacturing Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-08-27
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a metal joint for passenger car chassis braking system belongs to car arresting gear technical field. Including bulb body and the hard tube of connection in bulb body one end, the bulb body sets up to be the cylinder that both ends face is the plane about the cavity form, the bulb body with the hard tube junction sets up first through-hole, first through-hole department stretches out the boss, the boss center is provided with the second through-hole, the internal diameter of second through-hole with the external diameter of hard tube is the same. The boss is integrally formed at one end of the ball head body, so that the assembly matching position of the hard tube and the metal joint completely avoids the sealing position of the sealing surface of the metal joint and the copper gasket, the poor deformation caused by the assembly and the bracing of the sealing position is avoided, the sealing surface of the metal joint is completely attached to the copper gasket, and the technical problem of product loading leakage caused by poor flatness of the sealing surface is solved.

Description

Metal joint for chassis brake system of passenger vehicle

Technical Field

The utility model relates to an automobile brake technical field, concretely relates to metal joint for passenger car chassis braking system.

Background

The brake hard pipe and the brake calipers in the passenger vehicle chassis brake system are connected through a brake hose assembly; the metal joint on the brake hose assembly is directly connected with the brake caliper. When loading, a copper gasket is respectively clamped on two sides of the sealing surface of the metal joint, then the positioning pin of the metal joint falls into the positioning hole of the caliper, and finally the product is screwed on the caliper through the oil passing bolt.

Metal joints are typically produced by welding together parts such as bulbs, hard tubes, etc. using a welding process. The bulb, the hard tube, etc. need to be assembled together before welding. In order to prevent the parts from shifting relative to each other after assembly, an interference fit is often used between the parts. Because the unilateral thickness of the ball head is thinner, the ball head and the hard tube are very easy to prop and deform during assembly, if the deformation is larger, the sealing surface of the metal joint cannot be tightly matched with the copper gasket during loading in a host factory, and finally the risk of oil leakage exists. In order to solve the problem of poor supporting deformation, the parallelism of the metal joint is usually corrected by polishing the sealing surface by using a grinding machine. The method is not only low in efficiency, but also has the risk of missed grinding.

SUMMERY OF THE UTILITY MODEL

The utility model is directed at the aforesaid sealed face can't closely laminate with the copper gasket technical problem when the assembly that causes because of the unilateral thickness of bulb of metal joint is thinner, provide the metal joint that is used for passenger car chassis braking system, avoided the sealed position assembly to prop up the harmfully of deformation, solved because of the bad product loading leakage problem that causes of sealed face plane degree.

In order to solve the technical problem, the utility model provides a metal joint for passenger car chassis braking system, including the bulb body with connect the hard tube in bulb body one end, the bulb body sets up to be the cylinder that both ends face is planar about the cavity form, the bulb body with the hard tube junction sets up first through-hole department stretches out the boss, the boss center is provided with the second through-hole, the internal diameter of second through-hole with the external diameter of hard tube is the same.

Preferably, the first through hole is a transition section, and the diameter of the first through hole is gradually reduced from the ball head body to the joint of the first through hole and the second through hole.

Preferably, the boss is 5mm thick.

And optimally, a chamfer for enhancing the strength is arranged at the joint of the boss and the ball head body.

Preferably, the ball head body and the boss are integrally formed and processed.

The utility model discloses compare in prior art and obtained following technological effect:

the utility model is used for passenger car chassis braking system's metal joint has the boss through the one end integrated into one piece processing at the bulb body, makes the equipment cooperation position of hard tube and metal joint avoid the sealed face of metal joint and the sealing position of copper gasket completely, has avoided the sealing position assembly to prop the harmfulness of deformation, makes metal joint's sealed face laminate with the copper gasket completely, has solved the technical problem that the product loading that causes because of sealed face plane degree is bad leaks.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a front view of a connection structure of a metal joint and a hard pipe according to an embodiment of the present invention;

FIG. 2 is a top view of a connection structure of a metal joint and a hard pipe according to an embodiment of the present invention;

FIG. 3 is a perspective view of a connection structure of a metal joint and a hard pipe according to an embodiment of the present invention;

wherein 1-the ball head body; 2-hard pipe; 3-sealing surface; 4-copper gasket; 5-a hollow chamber; 6-a first via; 7-a boss; 8-a second via; 9-chamfering; 10-sealing range.

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.

The utility model provides a metal joint for passenger car chassis braking system has avoided the sealed position assembly to prop up the harmfulness of deformation, has solved the product loading leakage problem that causes because of sealed face plane degree is bad.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1-3, the utility model provides a metal joint for passenger car chassis braking system, including bulb body 1 and the hard tube 2 of connection in 1 one end of bulb body, bulb body 1 sets up to be the both ends face about the cavity form and is planar cylinder, two terminal surfaces are sealed face 3 promptly from top to bottom, need during sealed with the cooperation of copper gasket 4 sealed, hard tube 2 is inserted in the second through-hole 8 of bulb body, bulb body 1 with the hard tube 2 junction sets up first through-hole 6, first through-hole 6 department stretches out and is used for bearing the boss 7 of warping, boss 7 center is provided with second through-hole 8, the internal diameter of second through-hole 8 with the external diameter of hard tube 2 is the same. Through setting up boss 7, make the equipment cooperation position of hard tube 2 and metal joint 1 avoid the sealed face 3 of metal joint 1 and the sealing position of copper gasket 4 completely, avoided the sealed position assembly to prop up the bad of deformation, make the sealed face 3 of metal joint 1 laminate with copper gasket 4 completely, solved because of sealed 3 technical problem that the plane degree is bad and the product loading that causes leaks of sealed face.

In the scheme, the ball head body 1 and the boss 7 form an integrated structure in a mechanical heading machine extrusion sleeving manner, the traditional welding structure is adopted instead, the oil leakage problem of welding of conventional products is thoroughly eliminated, and the hidden danger of welding point leakage is effectively avoided.

Specifically, in the above scheme, in order to improve the convenience of the integrated processing of the ball head body 1 and the boss 7, the first through hole 6 is a transition section, and the diameter decreases progressively from the ball head body 1 to the joint with the second through hole 8 until the minimum radius of the first through hole 6 is the same as the radius of the second through hole 6.

Specifically, in the real-time example of this scheme, according to the demand of in-service use, 7 thickness of boss is 5mm, and the hard tube 2 degree of depth does not reach metal joint 1's sealing range 10, makes the equipment cooperation position of hard tube 2 and metal joint 1 avoid metal joint 1 sealing face and copper gasket 4's sealing position completely, and hard tube 2 assembles the back with metal joint 1 like this, even lead to the joint to prop up the deformation because of tight fit, also the boss 7 position props up to become thick, can not influence the depth of parallelism of joint sealing face 3, consequently solved because of the bad loading of the degree of parallelism of metal joint 1 and leaked, also saved this loaded down with trivial details process of grinding machine coping.

Specifically, in this embodiment, in order to enhance the overall strength, a chamfer 9 for enhancing the strength is provided at the joint of the boss 7 and the ball head body 1.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A metal joint for passenger car chassis braking system, including bulb body and the hard tube of connection in bulb body one end, its characterized in that, the bulb body sets up to be the cylinder that both ends face is planar about the cavity form, the bulb body with the hard tube junction sets up first through-hole, first through-hole department stretches out the boss, the boss center is provided with the second through-hole, the internal diameter of second through-hole with the external diameter of hard tube is the same.

2. The metal joint for a passenger vehicle chassis brake system of claim 1, wherein the first through hole is a transition section, and the diameter decreases from the ball head body to the connection with the second through hole.

3. The metal joint for a passenger vehicle chassis brake system of claim 1, wherein the boss is 5mm thick.

4. The metal joint for a passenger vehicle chassis brake system of claim 1, wherein a chamfer is provided at a junction of the boss and the ball head body for strength enhancement.

5. The metal joint for a passenger vehicle chassis brake system of claim 1, wherein the ball head body and the boss are integrally formed.