CN214648212U - Integrated quick-insertion through-wall connecting structure for air brake braking - Google Patents

Abstract

The utility model relates to an integrated quick-insertion wall-passing connecting structure for air brake, which comprises a wall-passing joint and a quick-insertion joint, and is characterized in that an integrated structure formed by injection molding is adopted between the wall-passing joint and the quick-insertion joint; or a split structure of press-fitting connection is adopted between the wall-passing joint and the quick connector; the outer end of the wall-passing joint is connected with a front axle air chamber brake hose through a guide bent pipe, and the outer end of the quick-connection joint is connected with an ABS electromagnetic valve through a section of brake hose. The utility model discloses the problem that complex operation assembly efficiency is low that traditional assembly methods exist that has effectively solved has solved the difficult assurance of quick connector assembly of wall to solebar in-process quick connector direction, leads to nylon brake hose to move towards out of order and discount the scheduling problem. By combining the improvement measures, the aims of improving the assembly efficiency, reducing the cost and improving the sealing property and the safety of the product are finally fulfilled.

Description

Integrated quick-insertion through-wall connecting structure for air brake braking

Technical Field

The utility model relates to an automobile manufacturing technical field particularly, is a wall connection structure is inserted soon to integrated form for commercial car braking system.

Background

The commercial vehicle braking system generally adopts air brake, and because the position between the front axle air chamber and the brake control end is limited, a connecting air path between the front axle air chamber and the brake control end usually needs steering connection. When turning the connection, on the one hand, the tightness of the connection structure and on the other hand, the stability of the connection structure need to be considered. The steering connecting piece that present commercial car air brake used mainly is a wall joint, crosses the wall joint and provides support stability for whole connecting line with the help of the solebar, crosses the wall end of wall joint and connects through a right angle formula quick connector rather than assembled connection, realizes turning to the connection. The sealing performance mainly depends on the sealing assembly relation of an elastic pad, a clamp spring and a hexagonal nut seat between the wall-passing joint and the quick-plugging joint. Practice shows that the through-wall connecting structure can solve the problems of sealing and steering connection, but the biggest disadvantage is that the assembly between the through-wall connector and the quick connector involves more parts, the assembly efficiency is low, and the cost is high. In addition, the bad products caused by improper assembly operation or failure in position can cause air leakage at the joint, and further the safety performance of the whole vehicle is influenced.

In addition, in the installation process of the wall-crossing joint and the frame longitudinal beam, the direction of the quick-connection joint is not easy to guarantee, and the quick-connection joint is easy to rotate and deviate after being installed, so that the trend of the brake hose connected with the quick-connection joint is not smooth and the brake hose is not folded.

In view of the above, the provision of the through-wall connecting structure with high assembly efficiency, excellent sealing performance and stable and reliable guiding has very important and positive significance for the field of automobile manufacturing.

Disclosure of Invention

The utility model aims at disclosing a wall connection structure is inserted soon to integrated form for pneumatic brake braking for solve the tradition and cross that wall connection structure brought: 1. the assembly process is complicated, the assembly efficiency is low, and the cost is high; 2. safety problems due to leakage from improper assembly; 3. the poor integral stability causes the problem of unsmooth pipeline trend and folding caused by looseness.

In order to solve the above problems, the utility model adopts the following technical scheme:

an integrated quick-insertion wall-passing connecting structure for air brake braking, which comprises a wall-passing joint and a quick-insertion joint and is characterized in that,

the wall-passing joint and the quick connector adopt an injection molding integrated structure; alternatively, the first and second electrodes may be,

the through-wall connector and the quick connector are in press-fit connection in a split structure;

the outer end of the wall-passing joint is connected with a front axle air chamber brake hose through a guide bent pipe, and the outer end of the quick-connection joint is connected with an ABS electromagnetic valve through a section of brake hose.

The wall-passing joint and the guide bent pipe are made of metal materials, and the quick-connection-peg is made of nylon materials.

The quick connector made of the nylon material is directly injection-molded on the wall-passing connector made of the metal material by adopting an injection molding process.

The quick connector and the wall-crossing connector are provided with mutually adaptive insertion pipe ends, the insertion pipe end of the quick connector is sleeved on the periphery of the insertion pipe end of the wall-crossing connector and is in press fit connection with the insertion pipe end of the wall-crossing connector in an interference fit mode, and the periphery of the insertion pipe end of the wall-crossing connector is provided with a groove and embedded with a sealing ring.

The through-wall connector is provided with an inner through-wall end clamped on one side of the frame longitudinal beam and a through-hole connecting end penetrating through the other end of the frame longitudinal beam, the inner through-wall end is provided with a relatively large outer diameter, the outer contour of the inner through-wall end is in a non-circular special shape, the through-hole connecting end is provided with a relatively small outer diameter and is a circular pipe section with an external thread, and the guide bent pipe is inserted into the through-hole connecting end and is fixedly connected with the through-wall connector through a clamping sleeve nut.

And a limiting structure is arranged on one side of the frame longitudinal beam, and the shape of the limiting structure is matched with the outer contour of the inner through-wall end so as to position the position of the through-wall joint with the inner through-wall end on the frame longitudinal beam.

The fixing of the wall-passing joint on the frame longitudinal beam is realized by a fastening nut which is connected to the through hole connecting end of the wall-passing joint through a thread.

The utility model discloses an integrated form is inserted soon and is crossed wall connection structure for pneumatic brake braking, with quick connector with cross the wall and connect as an organic whole structure or adopt the pressure equipment structure of moulding plastics, the cushion in the cancellation traditional structure, the jump ring, the hexagon nut seat, the problem that complex operation assembly efficiency is low that traditional assembly methods that has effectively solved exist, connect the pressure equipment to the quick connector of nylon material with the wall of crossing of metal, the two contact surface is interference fit, for preventing to cross the wall and connect and drop with quick connector, connect fitting surface department at the wall and increase recess and sealing washer additional connection in order to play sealed effect, this structure will be quick connector with cross wall and connect integratively, the assembly structure has been simplified, assembly efficiency and leakproofness are improved. Secondly, the limiting block is additionally arranged at the solebar, so that the problems that the direction of the quick plug connector is not easy to guarantee in the process of assembling the wall-passing quick plug connector to the solebar, the trend of the nylon brake hose is not smooth, the nylon brake hose is not folded and the like are solved. By combining the improvement measures, the aims of improving the assembly efficiency, reducing the cost and improving the sealing property and the safety of the product are finally fulfilled.

Drawings

FIG. 1: the structure of the integrated quick-insertion through-wall connection structure for air brake braking according to the first embodiment is schematically shown;

in the figure, 1, a wall passing joint, 11, an inner wall passing end, 12, a via hole connecting end, 2, a quick connector, 3, an O-shaped sealing ring, 4, a guide bent pipe, 5, a frame longitudinal beam, 6, a clamping sleeve nut, 7, a limiting structure, 8 and a fastening nut.

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, 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.

Example one

An integrated quick-insertion through-wall connecting structure for air brake is used for installing a brake pipe frame on a frame longitudinal beam and providing steering connection of a pipe, and comprises a through-wall connector 1 and a quick-insertion connector 2 which is assembled on the through-wall connector 1 in a pressing mode, wherein the through-wall connector 1 is made of metal materials, and the quick-insertion connector 2 is made of nylon materials. The outer end of the wall-passing joint 1 is connected with a front axle air chamber brake hose through a section of guide elbow 4, and the outer end of the quick-connection-peg 2 is connected with an ABS electromagnetic valve through a section of brake hose.

The wall-crossing connector 1 is provided with an inner wall-crossing end 11 clamped on one side of the frame longitudinal beam 5 and a via hole connecting end 12 penetrating through the other end of the frame longitudinal beam 5, the inner wall-crossing end 11 is provided with a relatively large outer diameter and non-circular profile in outer contour, the via hole connecting end 12 is provided with a relatively small outer diameter and is a circular pipe section with external threads, the circular pipe section is used for being connected with the guide elbow 4, and the guide elbow 4 is inserted into the via hole connecting end and is fixedly connected with the wall-crossing connector 1 through the clamping sleeve nut 6.

A limiting structure 7 for positioning the inner through-wall end 11 is arranged on the end face, matched with the inner through-wall end 11, of one side of the frame longitudinal beam 5, in the embodiment, the outer contour of the inner through-wall end 11 is an outer hexagon, and correspondingly, the shape of the limiting structure 7 matched with the outer through-wall end is a complete inner hexagon or at least one section of an angle structure capable of limiting. And a fastening nut 8 matched with the through hole connecting end 12 of the through-wall joint 1 is arranged on the other side of the frame longitudinal beam 5, and the fastening nut 8 is used for realizing the locking and installation of the through-wall joint 1 on the frame longitudinal beam 5 by being connected with the through hole connecting end 12 of the through-wall joint 1.

In this embodiment, the fast-plug connector 2 and the wall-crossing connector 1 have mutually-matched plug pipe ends, the plug pipe end of the fast-plug connector 2 is sleeved on the periphery of the plug pipe end of the wall-crossing connector 1 and is in press-fit connection with the plug pipe end of the wall-crossing connector 1 in an interference fit manner, and the periphery of the plug pipe end of the wall-crossing connector 1 is provided with a groove and embedded with an O-shaped sealing ring 3.

Example two

The difference between the first embodiment and the second embodiment is that the press-fitting connection between the wall joint and the quick-connection plug is formed integrally by injection molding. In particular to a nylon quick connector which is directly injection molded on a metal wall-through connector by adopting an injection molding process.

Compared with the traditional steering gear assembly, the integrated quick-insertion through-wall connecting structure for air brake of the embodiment has the following technical effects:

1. and an elastic pad, a clamp spring and a hexagonal nut seat are omitted, so that the material cost is reduced, and the assembly efficiency is improved.

2. Avoid because of assembling cushion, jump ring, hexagon nut seat and lead to the risk of leaking gas, improve whole car security performance.

3. And the mounting stability of the wall-crossing connecting structure and the frame longitudinal beam is enhanced.

4. The gas circuit hose is prevented from being unsmooth and folded.

In summary, although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims (7)

1. An integrated quick-insertion wall-passing connecting structure for air brake braking, which comprises a wall-passing joint and a quick-insertion joint and is characterized in that,

the wall-passing joint and the quick connector adopt an injection molding integrated structure; alternatively, the first and second electrodes may be,

the through-wall connector and the quick connector are in press-fit connection in a split structure;

the outer end of the wall-passing joint is connected with a front axle air chamber brake hose through a guide bent pipe, and the outer end of the quick-connection joint is connected with an ABS electromagnetic valve through a section of brake hose.

2. An integrated quick-insertion through-wall connection for air brake applications as claimed in claim 1,

the wall-passing joint and the guide bent pipe are made of metal materials, and the quick-connection-peg is made of nylon materials.

3. An integrated quick-insertion through-wall connection for air brake applications as claimed in claim 2,

the quick connector made of the nylon material is directly injection-molded on the wall-passing connector made of the metal material by adopting an injection molding process.

4. An integrated quick-insertion through-wall connection for air brake applications as claimed in claim 2,

the quick connector and the wall-crossing connector are provided with mutually adaptive insertion pipe ends, the insertion pipe end of the quick connector is sleeved on the periphery of the insertion pipe end of the wall-crossing connector and is in press fit connection with the insertion pipe end of the wall-crossing connector in an interference fit mode, and the periphery of the insertion pipe end of the wall-crossing connector is provided with a groove and embedded with a sealing ring.

5. An integrated quick-insertion through-wall connection for air brakes according to claim 3 or 4,

the through-wall connector is provided with an inner through-wall end clamped on one side of the frame longitudinal beam and a through-hole connecting end penetrating through the other end of the frame longitudinal beam, the inner through-wall end is provided with a relatively large outer diameter, the outer contour of the inner through-wall end is in a non-circular special shape, the through-hole connecting end is provided with a relatively small outer diameter and is a circular pipe section with an external thread, and the guide bent pipe is inserted into the through-hole connecting end and is fixedly connected with the through-wall connector through a clamping sleeve nut.

6. An integrated quick-insertion through-wall connection for air brake applications as claimed in claim 5,

and a limiting structure is arranged on one side of the frame longitudinal beam, and the shape of the limiting structure is matched with the outer contour of the inner through-wall end so as to position the position of the through-wall joint with the inner through-wall end on the frame longitudinal beam.

7. An integrated quick-insertion through-wall connection for air brake applications as claimed in claim 6,

the fixing of the wall-passing joint on the frame longitudinal beam is realized by a fastening nut which is connected to the through hole connecting end of the wall-passing joint through a thread.

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