Brake cable pipe with multi-layer structure

Abstract

The utility model discloses a brake cable pipe with a multilayer structure, which comprises a brake pipe protective jacket, pipeline joints and a brake cable core, the brake cable core penetrates through the brake pipe protective jacket and the pipeline joints, the pipeline joints are distributed at the two end parts of the brake pipe protective jacket, an outer rubber ring layer is arranged on the outer side of the brake cable core, and the outer rubber ring layer is arranged on the outer side of the brake cable core. The brake pipe protection outer sleeve comprises a first outer protection rubber ring layer, a first steel wire protection net layer, a second outer protection rubber ring layer, a second steel wire protection net layer and a third outer protection rubber ring layer which are sequentially arranged from inside to outside. The first steel wire protection net layer and the second steel wire protection net layer respectively protect the first outer protection rubber ring layer and the second outer protection rubber ring layer, the binding ring layer plays a role in binding the firm rubber ring layer and the outer rubber ring layers, the situations of breakage and swelling of the outer rubber ring layers are avoided, the brake cable is of a multi-layer protection design, the brake pipe protection outer sleeve is prevented from being scratched, and the service life of the brake pipe protection outer sleeve is prolonged. Therefore, the brake pipe protective jacket is broken.

Description

Technical Field

[0001] The utility model belongs to the technical field of brake lines, and in particular relates to a brake line tube with a multi-layer structure. Background Art

[0002] Brake line, also known as brake pipe, is a component in the vehicle braking system. Its main function is to transmit the braking medium during vehicle braking, ensuring that the braking force is transmitted to the vehicle brake shoe or brake caliper to generate braking force, so that the brake is effective at any time; China Utility Model Authorized Patent Application No. CN201921176508.1 discloses a split brake line, which is a conventional component for vehicle braking;

[0003] Brake cables may malfunction during long-term use. Common faults include burst pipes, scratches, and loose brake pipe joints. The structure of the brake cable includes an outer rubber ring layer, an inner protective rubber layer, and an inner core wire. The outer rubber ring layer of the brake cable has a simple structure and is prone to partial damage such as scratches and scratches. As the inner core wire pulls the inner protective rubber layer during braking, the outer rubber ring layer and the inner protective rubber layer are prone to breakage and bursting. When the brake cable is in use, there is a problem that the brake cable has no multi-layer protection design. For this reason, the present application proposes a brake cable tube with a multi-layer structure. Utility Model Content

[0004] The utility model aims to provide a brake line tube with a multi-layer structure to solve the problem that the brake line mentioned in the background art has no multi-layer protection design.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a brake line pipe with a multi-layer structure, comprising a brake line protective jacket, a pipeline joint and a brake line core, the brake line core passes through the brake line protective jacket and the pipeline joint, the pipeline joints are distributed at both ends of the brake line protective jacket, an outer rubber ring layer is provided on the outside of the brake line core, the brake line protective jacket comprises a first outer protective rubber ring layer, a first steel wire protective net layer, a second outer protective rubber ring layer, a second steel wire protective net layer and a third outer protective rubber ring layer arranged in sequence from the inside to the outside, a second hemispherical protrusion is provided on the inner wall of the first outer protective rubber ring layer, a firm rubber ring layer is provided on the outer side of the outer rubber ring layer, a first hemispherical protrusion is provided on the outer surface of the firm rubber ring layer, a binding ring layer is provided between the first outer protective rubber ring layer and the firm rubber ring layer, a rubber ring sleeve and a reset spring column are penetrated inside the binding ring layer, and the reset spring column penetrates the rubber ring sleeve.

[0006] Preferably, the second outer protective rubber ring layer and the third outer protective rubber ring layer have the same thickness, the second steel wire protective mesh layer and the first steel wire protective mesh layer have the same thickness, and the first outer protective rubber ring layer has the same thickness as half the thickness of the second outer protective rubber ring layer.

[0007] Preferably, the outer surface of the restraining ring layer is tangent to the second hemispherical protrusion, and the first hemispherical protrusion is tangent to the inner surface of the restraining ring layer.

[0008] Preferably, through holes are evenly distributed on the restraining ring layer, and the rubber ring sleeve and the reset spring column pass through the through holes.

[0009] Preferably, the thickness of the rubber ring is the same as the radius of the reset spring.

[0010] Preferably, a stabilizing ring is provided on the outer surface of the pipeline joint, and symmetrically distributed limiting rods are provided on the stabilizing ring.

[0011] Preferably, a fixing component is provided on the outer side of the end of the brake pipe protective sleeve close to the pipeline joint, and the fixing component includes a limiting ring, a collar, a connecting column, a fixed ring tube and a fixing ring. The limiting ring is installed on the outer side of the brake pipe protective sleeve, the collar is installed on the outer side of the limiting ring, the connecting column is installed at a position between the collar and the fixed ring tube, the fixing ring is embedded in one end of the fixed ring tube, and the fixing ring is opposite to the stabilizing ring.

[0012] Preferably, a positioning ball is provided between the limiting ring and the sleeve ring, grooves cooperating with the positioning ball are provided on the opposite surfaces of the limiting ring and the sleeve ring, the fixing ring is connected to the pipeline joint and the fixed ring tube by threaded engagement, a limiting convex ring is provided on one end of the fixing ring, the limiting convex ring is a structure with one end wide and the other end narrow, and a limiting protrusion is provided on one end of the limiting rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, the first outer protective rubber ring layer, the first steel wire protective mesh layer, the second outer protective rubber ring layer, the second steel wire protective mesh layer and the third outer protective rubber ring layer are arranged in sequence from the inside to the outside, the first steel wire protective mesh layer and the second steel wire protective mesh layer respectively protect the first outer protective rubber ring layer and the second outer protective rubber ring layer, and the binding ring layer plays the role of firmly binding the rubber ring layer and the outer rubber ring layer to avoid the breakage and bulging of the outer rubber ring layer. The brake line is designed with multiple layers of protection to prevent the brake pipe protective jacket from being scratched and scraped, which may cause the brake pipe protective jacket to break. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a cross-sectional structural schematic diagram of the brake pipe protective jacket of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of a portion of the brake pipe protective jacket of the utility model;

[0018] Figure 4 It is a schematic cross-sectional structure diagram of the sleeve ring of the utility model;

[0019] Figure 5 It is a schematic cross-sectional structure diagram of the firm ring of the utility model;

[0020] In the figure: 1. brake pipe protective sleeve; 2. pipeline joint; 3. limiting ring; 5. stabilizing ring; 6. brake line core; 7. firm rubber ring layer; 8. restraining ring layer; 11. first outer protective rubber ring layer; 12. first steel wire protective net layer; 13. second outer protective rubber ring layer; 14. second steel wire protective net layer; 15. third outer protective rubber ring layer; 31. positioning ball; 41. collar; 42. connecting column; 43. fixing ring tube; 44. firming ring; 51. limiting rod; 61. outer rubber ring layer; 71. first hemisphere protrusion; 81. rubber ring sleeve; 82. reset spring column; 111. second hemisphere protrusion; 511. limiting protrusion. 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] Example 1

[0023] See also Figures 1 to 3The utility model provides a technical solution: a brake line pipe with a multi-layer structure, including a brake pipe protective jacket 1, a pipeline joint 2 and a brake line core 6, the brake line core 6 runs through the brake pipe protective jacket 1 and the pipeline joint 2, the braking principle of the brake line is a conventional technology, and this application will not be described in detail; the pipeline joint 2 is distributed at both ends of the brake pipe protective jacket 1, and an outer rubber ring layer 61 is provided on the outer side of the brake line core 6, and the outer rubber ring layer 61 protects the brake line core 6, and the brake pipe protective jacket 1 includes a first outer protective rubber ring layer 11, which is arranged from the inside to the outside. The first steel wire protective mesh layer 12, the second outer protective rubber ring layer 13, the second steel wire protective mesh layer 14 and the third outer protective rubber ring layer 15, the first outer protective rubber ring layer 11, the second outer protective rubber ring layer 13 and the third outer protective rubber ring layer 15 are multi-layer protection designs to protect the outer rubber ring layer 61 and the brake wire core 6. In addition, the first steel wire protective mesh layer 12 and the second steel wire protective mesh layer 14 respectively protect the first outer protective rubber ring layer 11 and the second outer protective rubber ring layer 13. The brake pipe protective jacket 1 is a multi-layer protection design to prevent the brake pipe protective jacket 1 from being scratched, scraped, etc., To cause the brake pipe protective jacket 1 to break, a second hemispherical protrusion 111 is provided on the inner wall of the first outer protective rubber ring layer 11, a firm rubber ring layer 7 is provided on the outer side of the outer rubber ring layer 61, and a first hemispherical protrusion 71 is provided on the outer surface of the firm rubber ring layer 7. A binding ring layer 8 is provided between the first outer protective rubber ring layer 11 and the firm rubber ring layer 7. The binding ring layer 8 plays the role of binding the firm rubber ring layer 7 and the outer rubber ring layer 61 to avoid the outer rubber ring layer 61 from breaking or bulging. There is a gap between the binding ring layer 8 and the brake pipe protective jacket 1 and the outer rubber ring layer 61 to provide Deformation space, to prevent the deformed brake line from breaking, the interior of the restraint ring layer 8 is penetrated by a rubber ring sleeve 81 and a reset spring column 82, the reset spring column 82 penetrates the rubber ring sleeve 81, the reset spring column 82 is made of spring steel material, the reset spring column 82 is elastic, and can reset the deformed restraint ring layer 8, to prevent the restraint ring layer 8 from being in a deformed state for a long time and then breaking, the restraint ring layer 8 is also designed as a layer of protection, the brake line of the present application has a multi-layer design, to prevent the outer shell of the brake line from being scratched and damaged, and to prevent the inner protective rubber layer from breaking.

[0024] In this embodiment, the second outer protective rubber ring layer 13 and the third outer protective rubber ring layer 15 have the same thickness, the second steel wire protective mesh layer 14 and the first steel wire protective mesh layer 12 have the same thickness, the thickness of the first outer protective rubber ring layer 11 is the same as half the thickness of the second outer protective rubber ring layer 13, and the second steel wire protective mesh layer 14 and the first steel wire protective mesh layer 12 are made of steel to play a protective role and prevent the first outer protective rubber ring layer 11 and the second outer protective rubber ring layer 13 from being scratched.

[0025] In this embodiment, the outer surface of the restraining ring layer 8 is tangent to the second hemispherical protrusion 111, and the first hemispherical protrusion 71 is tangent to the inner surface of the restraining ring layer 8, so that the restraining ring layer 8 can be flexibly deformed.

[0026] In this embodiment, through holes are evenly distributed on the restraining ring layer 8, and the rubber ring sleeve 81 and the reset spring column 82 pass through the through holes. The reset spring column 82 is elastic and can reset the deformed restraining ring layer 8. The thickness of the rubber ring sleeve 81 is the same as the radius of the reset spring column 82. The rubber ring sleeve 81 buffers the impact force between the restraining ring layer 8 and the reset spring column 82.

[0027] To sum up: the first outer protective rubber ring layer 11, the first steel wire protective mesh layer 12, the second outer protective rubber ring layer 13, the second steel wire protective mesh layer 14 and the third outer protective rubber ring layer 15 are arranged in sequence from the inside to the outside, the first steel wire protective mesh layer 12 and the second steel wire protective mesh layer 14 protect the first outer protective rubber ring layer 11 and the second outer protective rubber ring layer 13 respectively, the binding ring layer 8 plays the role of binding the rubber ring layer 7 and the outer rubber ring layer 61 firmly to avoid the outer rubber ring layer 61 from breaking or bulging, and the brake line is designed with multiple layers of protection to prevent the brake pipe protective jacket 1 from being scratched or scraped, which may cause the brake pipe protective jacket 1 to break.

[0028] Example 2

[0029] See also Figures 1 to 5 , which is the second embodiment of the utility model. This embodiment is based on the previous embodiment. In order to increase the effect of fixing the pipeline joint 2, a fixing ring 5 is provided on the outer surface of the pipeline joint 2. The fixing ring 5 is connected to the pipeline joint 2 by welding. The fixing ring 5 is provided with symmetrically distributed limiting rods 51. The limiting rods 51 are welded to the fixing ring 5. The limiting rods 51 are made of elastic steel and have elasticity. A fixing component is provided on the outer side of the end of the brake pipe protective jacket 1 close to the pipeline joint 2. The fixing component includes a limiting ring 3, a collar 41, a connecting column 42, a fixing ring tube 43 and a fixing ring 44. The limiting ring 3 is installed on the outside of the brake pipe protective jacket 1, and the limiting ring 3 and the brake pipe protective jacket 1 are connected to form an integrated structure by hot melting. The collar 41 is installed on the outside of the limiting ring 3, and the connecting column 42 is installed at a position between the collar 41 and the fixed ring tube 43. The connecting column 42 is welded and connected to the collar 41 and the fixed ring tube 43. The fixing ring 44 is embedded in one end of the fixed ring tube 43, and the fixing ring 44 is opposite to the stabilizing ring 5. The fixing ring 44 is connected to the pipeline joint 2, and the end of the limiting rod 51 limits the fixing ring 44 to limit the fixing ring 44 and prevent the pipeline joint 2 from loosening.

[0030] In this embodiment, a positioning ball 31 is provided between the limiting ring 3 and the sleeve ring 41, and grooves cooperating with the positioning ball 31 are provided on the opposing surfaces of the limiting ring 3 and the sleeve ring 41. The positioning ball 31 is embedded in the outer surface of the limiting ring 3 and the inner surface of the sleeve ring 41 to position the sleeve ring 41. The fixing ring 44 is connected to the pipeline joint 2 and the fixed ring tube 43 by threaded engagement. The movable fixing ring 44 can fix the pipeline joint 2. A limiting convex ring is provided on one end of the fixing ring 44. The limiting convex ring is a structure with one end wide and the other end narrow. A limiting protrusion 511 is provided on one end of the limiting rod 51. The limiting protrusion 511 limits the limiting convex ring to position the fixing ring 44.

[0031] In summary, the fixing ring 44 is connected to the pipeline joint 2, and the end of the limiting rod 51 limits the fixing ring 44, so that the pipeline joint 2 is fixed and prevented from loosening.

[0032] 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 multi-layer brake line pipe, comprising a brake pipe protective jacket (1), a pipe joint (2) and a brake line core (6), wherein the brake line core (6) passes through the brake pipe protective jacket (1) and the pipe joint (2), and the pipe joint (2) is distributed at both ends of the brake pipe protective jacket (1), characterized in that: The outer side of the brake wire core (6) is provided with an outer rubber ring layer (61), and the brake pipe protective jacket (1) comprises a first outer protective rubber ring layer (11), a first steel wire protective mesh layer (12), a second outer protective rubber ring layer (13), a second steel wire protective mesh layer (14) and a third outer protective rubber ring layer (15) arranged in sequence from the inside to the outside, and a second hemispherical protrusion (111) is provided on the inner wall of the first outer protective rubber ring layer (11), and a firm rubber ring layer (7) is provided on the outer side of the outer rubber ring layer (61), and a first hemispherical protrusion (71) is provided on the outer surface of the firm rubber ring layer (7), and a binding ring layer (8) is provided between the first outer protective rubber ring layer (11) and the firm rubber ring layer (7), and a rubber ring sleeve (81) and a reset spring column (82) are penetrated inside the binding ring layer (8), and the reset spring column (82) penetrates the rubber ring sleeve (81).

2. The multi-layer brake line pipe according to claim 1, characterized in that: The second outer protective rubber ring layer (13) and the third outer protective rubber ring layer (15) have the same thickness, the second steel wire protective mesh layer (14) and the first steel wire protective mesh layer (12) have the same thickness, and the first outer protective rubber ring layer (11) has the same thickness as half the thickness of the second outer protective rubber ring layer (13).

3. The multi-layer brake line tube according to claim 1, characterized in that: The outer surface of the restraining ring layer (8) is tangent to the second hemispherical protrusion (111), and the first hemispherical protrusion (71) is tangent to the inner surface of the restraining ring layer (8).

4. The multi-layer brake line pipe according to claim 1, characterized in that: The restraining ring layer (8) is evenly distributed with through holes, and the rubber ring sleeve (81) and the reset spring column (82) pass through the through holes.

5. The multi-layer brake line tube according to claim 1, characterized in that: The thickness of the rubber ring sleeve (81) is the same as the radius of the reset spring column (82).

6. The multi-layer brake line tube according to claim 1, characterized in that: The outer surface of the pipeline joint (2) is provided with a stabilizing ring (5), and the stabilizing ring (5) is provided with symmetrically distributed limiting rods (51).

7. The multi-layer brake line pipe according to claim 6, characterized in that: A fixing component is provided on the outer side of the end of the brake pipe protective sleeve (1) close to the pipeline joint (2), and the fixing component includes a limiting ring (3), a sleeve ring (41), a connecting column (42), a fixed ring tube (43) and a fixing ring (44). The limiting ring (3) is installed on the outer side of the brake pipe protective sleeve (1), the sleeve ring (41) is installed on the outer side of the limiting ring (3), the connecting column (42) is installed at a position between the sleeve ring (41) and the fixed ring tube (43), and the fixing ring (44) is embedded in one end of the fixed ring tube (43). The fixing ring (44) is opposite to the stabilizing ring (5).

8. The multi-layer brake line pipe according to claim 7, characterized in that: A positioning ball (31) is provided between the limiting ring (3) and the sleeve ring (41); grooves cooperating with the positioning ball (31) are provided on the opposing surfaces of the limiting ring (3) and the sleeve ring (41); the fixing ring (44) is connected to the pipeline joint (2) and the fixing ring tube (43) by screwing; a limiting convex ring is provided on one end of the fixing ring (44); the limiting convex ring is a structure with one end wide and the other end narrow; a limiting protrusion (511) is provided on one end of the limiting rod (51).

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