High-safety brake steel cable

Abstract

The utility model discloses a high-safety brake steel cable, which relates to the field of brake steel cable structures and comprises a fixing sleeve, two static guide rails are symmetrically arranged at two ends of the fixing sleeve, a dynamic guide rail is coaxially arranged in the middle of the fixing sleeve, and sliding devices are arranged between the two static guide rails and the dynamic guide rail. According to the high-safety brake steel cable, the dynamic guide rail and the static guide rail are arranged, and the dynamic guide rail and the static guide rail are in rolling contact through balls, so that the moving smoothness and transmission efficiency of the steel cable are guaranteed, friction and noise generated when the steel cable moves are reduced, the abrasion resistance and stability of the brake steel cable are improved, and the service life of the brake steel cable is prolonged; therefore, the safety and the reliability of the braking system are enhanced.

Description

Technical Field

[0001] The utility model relates to the field of brake cable structures, in particular to a high-safety brake cable. Background Art

[0002] In the field of mechanical transmission and braking technology, brake cables are key components, and their performance directly affects the safety and reliability of the braking system. Traditional brake cables are generally made of twisted steel wires. During long-term use, the steel wires are directly exposed to the external environment and often need to have direct or indirect friction contact with external structures, which makes the surface of the cable extremely susceptible to wear. As the use time increases, wear gradually accumulates, which not only reduces the transmission efficiency of the brake cable, but also may cause performance degradation or even complete failure, thus seriously threatening the normal operation and safety of the braking system. At the same time, in harsh environments such as humidity, corrosion or high temperature, the exposed steel wires are extremely susceptible to erosion, which further accelerates the aging and damage of the cable and shortens its service life. Utility Model Content

[0003] The purpose of the utility model is to provide a high-safety brake cable. This high-safety brake cable ensures the smoothness of the cable movement and the transmission efficiency, reduces the friction and noise generated when the cable moves, improves the wear resistance, stability and service life of the brake cable, and thus enhances the safety and reliability of the braking system.

[0004] The above-mentioned optimized structure of the utility model is realized through the following technical scheme: a high-safety brake cable, including a fixed sleeve, two static guide rails are symmetrically provided at both ends of the fixed sleeve, a dynamic guide rail is coaxially provided in the middle of the fixed sleeve, and a sliding device is provided between the two static guide rails and the dynamic guide rail.

[0005] In some embodiments, the sliding device includes evenly distributed retaining frames, the retaining frames are arranged between the static guide rail and the dynamic guide rail, balls are arranged between two adjacent retaining frames, and the balls are rollingly connected to the static guide rail and the dynamic guide rail.

[0006] In some embodiments, the static guide rail is provided with a first groove near one end of the dynamic guide rail, and second grooves are provided at both ends of the dynamic guide rail, and the ball is rolled between the first groove and the second groove.

[0007] In some embodiments, both the first groove and the second groove are arc-shaped grooves adapted to the ball.

[0008] In some embodiments, the retaining frame includes a retaining plate, and an arc-shaped plate is provided at one end of the retaining plate close to the static guide rail.

[0009] In some embodiments, a protective cover is provided outside the fixing cover.

[0010] In some embodiments, the protective sleeve is a metal hose.

[0011] In some embodiments, the protective cover includes a plurality of obliquely arranged protective units, the cross-section of the protective unit is S-shaped, an outer bending ring is provided on one side of the protective unit, and an inner bending ring is provided on the other side of the protective unit, and the outer bending ring and the inner bending ring can be snapped together.

[0012] In summary, the utility model has the following beneficial effects:

[0013] This high-security brake cable is equipped with dynamic guide rails and static guide rails, and adopts a ball rolling contact method between the dynamic guide rails and the static guide rails. While ensuring the smoothness and transmission efficiency of the cable movement, it reduces the friction and noise generated when the cable moves, improves the wear resistance, stability and service life of the brake cable, and thus enhances the safety and reliability of the braking system. Wrapping the metal hose on the outer surface of the cable effectively isolates the cable from direct contact with the external environment, eliminates the safety hazards generated when the cable moves, prevents the external environment from eroding and damaging the brake cable, effectively protects the internal structure, improves the overall safety and reliability, and further improves the durability of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional schematic diagram of the utility model;

[0015] Figure 2 It is a side view of the utility model.

[0016] In the figure: 1. fixed sleeve; 2. static guide rail; 3. dynamic guide rail; 4. sliding device; 41. retaining frame; 42. ball; 5. protective sleeve. DETAILED DESCRIPTION

[0017] 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 them. Based on the embodiments of 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.

[0018] refer to Figure 1-2As shown, a high-safety brake cable comprises a fixed sleeve 1, two static guide rails 2 are symmetrically provided at both ends of the fixed sleeve 1, a dynamic guide rail 3 is coaxially provided in the middle of the fixed sleeve 1, and the dynamic guide rail 3 can be connected with the brake system. When the brake system is working, the driving force is transmitted to the dynamic guide rail 3, so that the dynamic guide rail 3 is displaced relative to the static guide rail 2, so as to realize the corresponding braking function. The connection between the dynamic guide rail 3 and the brake system and the braking principle are all existing technologies and are not repeated here. A sliding device 4 is provided between the two static guide rails 2 and the dynamic guide rail 3 to realize the smooth sliding of the dynamic guide rail 3 relative to the static guide rail 2.

[0019] In some embodiments, the sliding device 4 includes a plurality of retaining frames 41, and the plurality of retaining frames 41 are evenly distributed along the length direction of the static guide rail 2. The plurality of retaining frames 41 are arranged between the static guide rail 2 and the dynamic guide rail 3. A ball 42 is arranged between two adjacent retaining frames 41. The ball 42 is rollingly connected to the static guide rail 2 and the dynamic guide rail 3 to reduce friction and wear and improve sliding efficiency.

[0020] In some embodiments, a first groove is provided at one end of the static guide rail 2 close to the dynamic guide rail 3, and a second groove is provided at both ends of the dynamic guide rail 3. A ball 42 is rolled between the first groove and the second groove to ensure stable sliding of the dynamic guide rail 3 in the static guide rail 2. At the same time, the ball 42 is limited to prevent the ball 42 from separating from the static guide rail 2 and the dynamic guide rail 3 when rolling.

[0021] In some embodiments, the first groove and the second groove are arc grooves adapted to the ball 42. This design can better fix the ball 42 and prevent it from falling off, while improving the smoothness of rolling and reducing the noise and vibration generated by mechanical friction.

[0022] In some embodiments, the retaining frame 41 includes a retaining plate, and an arc-shaped plate is provided at one end of the retaining plate close to the static guide rail 2. The arc-shaped plate can be adapted to the shape of the first groove and the second groove, and can increase the contact surface between the retaining frame 41 and the ball 42 to better support and fix the ball 42 and ensure its stability during the sliding process.

[0023] In some embodiments, a protective cover 5 is provided outside the fixing cover 1 to protect the internal structure from the influence of the external environment and improve the durability of the overall structure. The protective cover 5 can be a metal hose to increase flexibility and corrosion resistance.

[0024] In some embodiments, the protective cover 5 includes a plurality of obliquely arranged protective units, the cross-section of the protective unit is S-shaped, an outer bending ring is provided on one side of the protective unit, and an inner bending ring is provided on the other side of the protective unit, the outer bending ring and the inner bending ring can be snapped together, and through the snapping together of the outer bending ring and the inner bending ring, the protective cover 5 forms a tight wrapping structure, further enhancing the protection of the internal steel cable.

[0025] The specific working principle is as follows:

[0026] When the brake system is working, the driving force is transmitted to the dynamic guide rail 3, and the dynamic guide rail 3 will move accordingly relative to the static guide rail 2. This movement is achieved through the sliding device 4. The balls 42 in the sliding device 4 roll in the grooves of the static guide rail 2 and the dynamic guide rail 3, thereby reducing friction and wear and improving the smoothness and efficiency of sliding. The displacement of the dynamic guide rail 3 is converted into braking force on the wheels through other components of the brake system, thereby achieving deceleration or parking of the vehicle.

[0027] The arc-shaped design of the ball 42 and the groove can ensure the stability and accuracy of the ball 42 when rolling, and prevent the ball 42 from falling off or getting stuck.

[0028] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A high-safety brake cable, characterized in that: It comprises a fixed sleeve (1), two static guide rails (2) are symmetrically arranged at both ends of the fixed sleeve (1), a dynamic guide rail (3) is coaxially arranged in the middle of the fixed sleeve (1), and a sliding device (4) is arranged between the two static guide rails (2) and the dynamic guide rail (3).

2. A high-safety brake cable according to claim 1, characterized in that: The sliding device (4) comprises evenly distributed retaining frames (41), wherein the retaining frames (41) are arranged between the static guide rail (2) and the dynamic guide rail (3), and between two adjacent retaining frames (41) there are balls (42), wherein the balls (42) are rollingly connected to the static guide rail (2) and the dynamic guide rail (3).

3. A high-safety brake cable according to claim 2, characterized in that: The static guide rail (2) is provided with a first groove at one end close to the dynamic guide rail (3), and second grooves are provided at both ends of the dynamic guide rail (3), and the ball (42) is rolled between the first groove and the second groove.

4. A high-safety brake cable according to claim 3, characterized in that: The first groove and the second groove are both arc-shaped grooves adapted to the rolling ball (42).

5. A high-safety brake cable according to claim 2, characterized in that: The retaining frame (41) comprises a retaining plate, and an arc-shaped plate is provided at one end of the retaining plate close to the static guide rail (2).

6. A high-safety brake cable according to claim 1, characterized in that: The fixing sleeve (1) is provided with a protective sleeve (5) outside.

7. A high safety brake cable according to claim 6, characterized in that: The protective sleeve (5) is a metal hose.

8. A high safety brake cable according to claim 6, characterized in that: The protective sleeve (5) comprises a plurality of obliquely arranged protective units, the cross section of the protective unit being S-shaped, an outer bending ring being provided on one side of the protective unit, and an inner bending ring being provided on the other side of the protective unit, the outer bending ring being able to be buckled and matched with the inner bending ring.

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