Brake hard tube assembly structure based on automobile fuel brake system

Abstract

The utility model discloses a brake hard tube assembly structure based on an automobile fuel brake system, which comprises a first brake hard tube, a brake hose is arranged at one end of the first brake hard tube, a first connecting piece for preventing connection looseness is arranged between the first brake hard tube and the brake hose, and a second connecting piece for preventing connection looseness is arranged between the first brake hard tube and the brake hose. The other end of the first brake hard pipe is provided with a first installation connector, and the end, away from the first brake hard pipe, of the brake hose is connected with a second brake hard pipe through a second connecting piece. According to the brake hard tube assembly structure based on the automobile fuel brake system, through the arrangement of the first connecting piece, the end face of the second end face gear ring is attached to the end face of the first end face gear ring under the action of the pre-tightening spring, looseness, caused by factors such as vibration, between the first brake hard tube and the brake hose is avoided, and effective connection between the first brake hard tube and the brake hose is guaranteed; leakage of the braking structure is prevented, and the safety of service braking is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile braking, in particular to a brake hard pipe assembly structure based on an automobile fuel braking system. Background Art

[0002] The braking safety of automobiles has always been highly valued by the entire automotive industry. As the basic unit of the braking system, the brake pipe plays an important role in the driving safety of the entire automobile. At present, in the automotive market, the brake pipe is often used to connect the vacuum booster to the ABS (anti-lock braking system) or ESC (electronic stability control system) assembly.

[0003] According to patent authorization announcement number CN 207631218 U, a vehicle brake structure and a vehicle include a first brake hard pipe, a flexible pipe and a second brake hard pipe, one end of the first brake hard pipe is connected to a vacuum booster master cylinder, the other end of the first brake hard pipe is connected to one end of the flexible pipe through a first connecting piece, the other end of the flexible pipe is connected to one end of the second brake hard pipe through a second connecting piece, and the other end of the second brake hard pipe is connected to an electronic stability control system assembly.

[0004] In the existing brake hard tube assembly structure, such as the above-mentioned utility model, the brake hard tube and the flexible tube are connected by a connector. During the driving of the car, especially when driving on uneven roads, the brake assembly is in a vibrating environment for a long time, and the connector is easy to loosen, which will have a great impact on driving safety. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a brake hard pipe assembly structure based on an automobile fuel brake system, which solves the problem that the existing brake hard pipe assembly structure, in which the brake hard pipe and the flexible pipe are connected by a connecting piece, is prone to loosening due to the fact that the brake assembly is in a vibrating environment for a long time during driving, especially on uneven roads, and thus has a great impact on driving safety.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a brake hard pipe assembly structure based on an automobile fuel brake system, comprising a first brake hard pipe, a brake hose is arranged at one end of the first brake hard pipe, a first connecting piece for preventing the connection from loosening is arranged between the first brake hard pipe and the brake hose, a first mounting joint is arranged at the other end of the first brake hard pipe, an end of the brake hose away from the first brake hard pipe is connected to a second brake hard pipe via a second connecting piece, the first connecting piece and the second connecting piece have the same structure, and a second mounting joint is arranged at an end of the second brake hard pipe away from the brake hose.

[0007] Preferably, the first connecting member includes a connecting ring and a connecting tube, the connecting ring is fixedly connected to the first brake hard tube, and the connecting tube is sleeved on the surfaces of the first brake hard tube and the connecting ring and is slidably connected to the first brake hard tube.

[0008] Preferably, one end of the connecting tube is fixedly connected with a first end face gear ring, and the surface of the brake hose is slidably connected with a second end face gear ring matched with the first end face gear ring.

[0009] Preferably, a preload spring is fixedly connected to the end surface of the second end surface gear ring, an end of the preload spring away from the first end surface gear ring is fixedly connected to a limit ring, and the limit ring is fixedly connected to the surface of the brake hose.

[0010] Preferably, an adjustment cylinder is fixedly connected to the surface of the second end face gear ring, the inner wall of the adjustment cylinder is slidably connected to a limiting ring, the inner wall of the adjustment cylinder is fixedly connected to a guide rail, and a guide groove matching the guide rail is provided on the surface of the limiting ring.

[0011] Preferably, the connecting cylinder is threadedly connected to the brake hose via a threaded tube, and one end of the brake hose located inside the connecting cylinder is fixedly connected to a sealing ring that matches the connecting ring.

[0012] Beneficial Effects

[0013] The utility model provides a brake hard pipe assembly structure based on an automobile fuel brake system. Compared with the prior art, it has the following beneficial effects:

[0014] (1) The brake tube assembly structure based on the automobile fuel brake system is provided with a brake hose at one end of the first brake tube, a first connector for preventing the connection from loosening is provided between the first brake tube and the brake hose, a first mounting joint is provided at the other end of the first brake tube, an end of the brake hose away from the first brake tube is connected to the second brake tube via a second connector, the first connector and the second connector have the same structure, a second mounting joint is provided at one end of the second brake tube away from the brake hose, and by adding a section of brake hose in the middle of the brake tube, the assembly operation of the brake tube is facilitated and the assembly effect after assembly is improved.

[0015] (2) The brake tube assembly structure based on the automobile fuel brake system includes a connecting ring and a connecting tube through a first connecting piece. The connecting ring is fixedly connected to the first brake tube. The connecting tube is sleeved on the surface of the first brake tube and the connecting ring and is slidably connected to the first brake tube. One end of the connecting tube is fixedly connected to a first end face toothed ring. The surface of the brake hose is slidably connected to a second end face toothed ring that matches the first end face toothed ring. The end face of the second end face toothed ring is fixedly connected to a preload spring. The end of the preload spring away from the first end face toothed ring is fixedly connected to a limit ring. The limit ring is connected to The surface of the brake hose is fixedly connected, the surface of the second end face toothed ring is fixedly connected with an adjusting cylinder, the inner wall of the adjusting cylinder is slidably connected with a limiting ring, the inner wall of the adjusting cylinder is fixedly connected with a guide rail, and the surface of the limiting ring is provided with a guide groove matched with the guide rail. Through the setting of the first connecting piece, the end face of the second end face toothed ring fits with the end face of the first end face toothed ring under the action of the preload spring, avoiding loosening between the first brake hard pipe and the brake hose due to factors such as vibration, ensuring effective connection between the two, preventing leakage of the brake structure, and improving the safety of service braking. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0017] Figure 2 It is a cross-sectional view of the first connecting member of the utility model;

[0018] Figure 3 It is a three-dimensional diagram of the limiting ring of the utility model;

[0019] Figure 4 It is a stereoscopic view of the first end face gear ring of the utility model.

[0020] In the figure: 1 first brake hard pipe, 2 brake hose, 3 first connecting piece, 31 connecting ring, 32 connecting tube, 33 first end face gear ring, 34 second end face gear ring, 35 preload spring, 36 limit ring, 37 adjustment tube, 38 guide rail, 39 guide groove, 4 first mounting joint, 5 second connecting piece, 6 second brake hard pipe, 7 second mounting joint, 8 sealing ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides two technical solutions:

[0023] Figure 1-4 The first embodiment is shown: a brake hard pipe assembly structure based on an automobile fuel brake system, comprising a first brake hard pipe 1, a brake hose 2 is provided at one end of the first brake hard pipe 1, a first connecting piece 3 for preventing the connection from loosening is provided between the first brake hard pipe 1 and the brake hose 2, a first mounting joint 4 is provided at the other end of the first brake hard pipe 1, an end of the brake hose 2 away from the first brake hard pipe 1 is connected to a second brake hard pipe 6 via a second connecting piece 5, the first connecting piece 3 and the second connecting piece 5 have the same structure, and a second mounting joint 7 is provided at an end of the second brake hard pipe 6 away from the brake hose 2.

[0024] By adding a section of brake hose in the middle of the brake hard pipe, the assembly operation of the brake hard pipe is facilitated and the assembly effect after assembly is improved.

[0025] Figure 2 and 3 A second embodiment is shown, which is mainly different from the first embodiment in that: the first connecting member 3 includes a connecting ring 31 and a connecting cylinder 32, the connecting ring 31 is fixedly connected to the first brake hard tube 1, the connecting cylinder 32 is sleeved on the surface of the first brake hard tube 1 and the connecting ring 31 and is slidably connected to the first brake hard tube 1, one end of the connecting cylinder 32 is fixedly connected to a first end face toothed ring 33, the surface of the brake hose 2 is slidably connected to a second end face toothed ring 34 adapted to the first end face toothed ring 33, the end surface of the second end face toothed ring 34 is fixedly connected to a preload spring 35, and the preload spring 35 is fixedly connected to the end surface of the second end face toothed ring 34. The end away from the first end face gear ring 33 is fixedly connected to a limit ring 36, which is fixedly connected to the surface of the brake hose 2. The surface of the second end face gear ring 34 is fixedly connected to an adjustment cylinder 37, the inner wall of the adjustment cylinder 37 is slidably connected to the limit ring 36, the inner wall of the adjustment cylinder 37 is fixedly connected to a guide rail 38, and the surface of the limit ring 36 is provided with a guide groove 39 adapted to the guide rail 38. The connection cylinder 32 is threadedly connected to the brake hose 2 through a threaded tube, and the end of the brake hose 2 located inside the connection cylinder 32 is fixedly connected to a sealing ring 8 adapted to the connection ring 31.

[0026] Through the setting of the first connecting member 3, the end face of the second end face toothed ring 34 is fitted with the end face of the first end face toothed ring 33 under the action of the preload spring 35, avoiding loosening between the first brake hard pipe 1 and the brake hose 2 due to factors such as vibration, ensuring effective connection between the two, preventing leakage of the brake structure, and improving the safety of service braking.

[0027] When in use, insert the brake hose 2 into the connecting tube 32, rotate the connecting tube 32 and the first brake hard tube 1 to connect the brake hose 2 with the first brake hard tube 1, and in the process of rotating the connecting tube 32, pull the second end face toothed ring 34 through the adjusting tube 37 to compress the preload spring 35 so that the second end face toothed ring 34 slides toward the direction close to the limit ring 36, rotate the connecting tube 32 until the sealing ring and the connecting ring 31 are tightly pressed against each other to complete the connection between the first brake hard tube 1 and the brake hose 2, loosen the adjusting tube 37, and the end face of the second end face toothed ring 34 is fitted with the end face of the first end face toothed ring 33 under the action of the preload spring 35, so as to avoid loosening of the first brake hard tube 1 and the brake hose 2 due to factors such as vibration, thereby ensuring an effective connection between the two.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A brake pipe assembly structure based on an automobile fuel brake system, comprising a first brake pipe (1), characterized in that: A brake hose (2) is provided at one end of the first brake hard tube (1), a first connector (3) for preventing the connection from loosening is provided between the first brake hard tube (1) and the brake hose (2), a first mounting joint (4) is provided at the other end of the first brake hard tube (1), an end of the brake hose (2) away from the first brake hard tube (1) is connected to a second brake hard tube (6) via a second connector (5), the first connector (3) and the second connector (5) have the same structure, and a second mounting joint (7) is provided at an end of the second brake hard tube (6) away from the brake hose (2).

2. According to claim 1, a brake hard pipe assembly structure based on an automobile fuel brake system is characterized in that: The first connecting member (3) comprises a connecting ring (31) and a connecting tube (32); the connecting ring (31) is fixedly connected to the first brake tube (1); the connecting tube (32) is sleeved on the surfaces of the first brake tube (1) and the connecting ring (31) and is slidably connected to the first brake tube (1).

3. The brake hard pipe assembly structure based on the automobile fuel brake system according to claim 2 is characterized in that: One end of the connecting tube (32) is fixedly connected to a first end face toothed ring (33), and the surface of the brake hose (2) is slidably connected to a second end face toothed ring (34) that matches the first end face toothed ring (33).

4. The brake hard pipe assembly structure based on the automobile fuel brake system according to claim 3 is characterized in that: The end surface of the second end surface toothed ring (34) is fixedly connected to a preload spring (35), one end of the preload spring (35) away from the first end surface toothed ring (33) is fixedly connected to a limit ring (36), and the limit ring (36) is fixedly connected to the surface of the brake hose (2).

5. The brake hard pipe assembly structure based on the automobile fuel brake system according to claim 4 is characterized in that: An adjusting cylinder (37) is fixedly connected to the surface of the second end face gear ring (34), the inner wall of the adjusting cylinder (37) is slidably connected to a limiting ring (36), the inner wall of the adjusting cylinder (37) is fixedly connected to a guide rail (38), and a guide groove (39) adapted to the guide rail (38) is provided on the surface of the limiting ring (36).

6. The brake hard pipe assembly structure based on the automobile fuel brake system according to claim 5 is characterized in that: The connecting cylinder (32) is threadedly connected to the brake hose (2) via a threaded tube, and one end of the brake hose (2) located inside the connecting cylinder (32) is fixedly connected to a sealing ring (8) that matches the connecting ring (31).

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