Pneumatic brake caliper with steel wire gap keeping mechanism

Abstract

The utility model relates to a pneumatic brake caliper with a steel wire clearance keeping mechanism, which comprises a pneumatic brake caliper body, an inner friction block and an outer friction block are arranged on the pneumatic brake caliper body, a steel wire frame used for keeping a clearance is arranged between the inner friction block and the outer friction block, and the steel wire frame comprises a main support and a clearance keeping steel wire. The gap maintaining steel wire is arranged on the main support, the main support is fixed to the pneumatic brake caliper body, and the gap maintaining steel wire is connected with the inner friction block and the outer friction block. After braking is finished, the steel wire frame provides return force, the inner friction block and the outer friction block are opened through elasticity of the gap maintaining steel wire, and the gap of the friction blocks is maintained.

Description

TECHNICAL FIELD

[0001] The utility model relates to a brake caliper, in particular to a pneumatic brake caliper with steel wire gap maintaining mechanism. BACKGROUND

[0002] The existing pneumatic brake caliper has no gap maintaining function between the inner and outer friction blocks, and there is a free gap of 0-1.2mm between the friction blocks and the brake disc. During the operation of the vehicle, the friction blocks keep moving and contacting the brake disc, which generates friction with the brake disc, produces drag force, increases the resistance of the vehicle movement, increases fuel consumption, and also causes the rotational resistance of the left and right wheels to be different, resulting in direction swing. Moreover, the free movement of the friction blocks will cause collision noise with the brake disc and the caliper body, reducing customer experience. SUMMARY

[0003] The technical problem to be solved by the utility model is a pneumatic brake caliper with steel wire gap maintaining mechanism.

[0004] The technical solution for solving the above technical problem is a pneumatic brake caliper with steel wire gap maintaining mechanism, which comprises a pneumatic brake caliper body, the pneumatic brake caliper body is provided with inner and outer friction blocks, a steel wire frame for maintaining the gap is arranged between the inner and outer friction blocks, the steel wire frame comprises a main support and a gap maintaining steel wire, the gap maintaining steel wire is arranged on the main support, the main support is fixed on the pneumatic brake caliper body, and the gap maintaining steel wire is connected with the inner and outer friction blocks respectively. The gap maintaining steel wire is elastically expanded to maintain the gap state of the inner and outer friction blocks, and the gap maintaining steel wire is a resilient steel wire.

[0005] The two ends of the main support are respectively bent to the same side to form a hook structure, and the gap maintaining steel wire is integrally bent at the middle part to form an elastic deformation angle structure. The middle part of the gap maintaining steel wire is bent into an arc sleeve structure, the two ends of the gap maintaining steel wire are respectively bent to form a hook structure, the arc sleeve at the middle part of the gap maintaining steel wire is fixed on the main support, and the hook structures at the two ends of the gap maintaining steel wire are respectively hooked to the inner and outer friction blocks. There are two gap maintaining steel wires, and the two gap maintaining steel wires are respectively arranged at the two ends of the main support.

[0006] The gap maintaining steel wire is arranged on the main support through a fixing clamp, the fixing clamp comprises a large ring and a small ring, and the small ring is respectively located on the two sides of the large ring. The large ring of the fixing clamp is sleeved on the main support, the two ends of the gap maintaining steel wire are respectively bent to form a hook structure, the arc sleeve at the middle part of the gap maintaining steel wire is sleeved on the large ring, and the two sides of the gap maintaining steel wire are respectively sleeved on the small rings.

[0007] Due to the adoption of the above technical solution, the pneumatic brake caliper with steel wire gap maintaining mechanism has the following beneficial effects:

[0008] The utility model discloses a brake caliper inner and outer friction block between being equipped with the steel wire frame for keeping the clearance, provides the reset force by the steel wire frame after braking, and the elastic of the clearance keeps the steel wire apart the inner and outer friction block, keeps the clearance of friction block, can make the maximum clearance of 0.7~1.2mm between friction block and brake disc, will not produce contact with brake disc, also will not collide with brake disc and caliper body, reduces the friction resistance, promotes the driving stability, eliminates the collision noise, promotes the customer use experience.

[0009] Below, the technical features of the utility model of a kind of pneumatic brake caliper with steel wire clearance keeping mechanism are further explained in conjunction with the drawings and specific embodiments of the specification. DRAWINGS

[0010] Figure 1 The structure diagram of a kind of pneumatic brake caliper with steel wire clearance keeping mechanism.

[0011] Figure 2 The structure diagram of the clearance keeping mechanism.

[0012] Figure 3 The structure diagram of the fixed clamp.

[0013] In the above drawings, each number is explained as follows:

[0014] 1-main support, 2-clearance keeping steel wire, 3-fixed clamp, 4-outer friction block, 5-inner friction block, 6-brake disc, 7-brake caliper body support. DETAILED DESCRIPTION

[0015] A kind of pneumatic brake caliper with steel wire clearance keeping mechanism, including pneumatic brake caliper body, inner friction block and outer friction block are equipped on pneumatic brake caliper body, inner friction block and outer friction block between being equipped with the steel wire frame for keeping the clearance, steel wire frame includes main support 1 and clearance keeping steel wire 2, clearance keeping steel wire is set on main support, main support is fixed on pneumatic brake caliper body, clearance keeping steel wire is connected with inner friction block and outer friction fast respectively, clearance keeping steel wire is elastically opened to make inner friction block and outer friction block keep clearance state, clearance keeping steel wire is elastic steel wire.Main support two ends are respectively curved to the same side and form hook structure, clearance keeping steel wire is overall curved to form the included angle structure of elastic deformation from middle part.Clearance keeping steel wire is curved into arc sleeve structure in middle part, clearance keeping steel wire two ends are respectively curved to form hook structure, the arc sleeve of clearance keeping steel wire middle part is fixed on main support, the hook structure of clearance keeping steel wire two ends is respectively hooked in inner friction block and outer friction block, and clearance keeping steel wire is elastically opened to inner friction block and outer friction block by elastic deformation.Form. Main support and clearance keeping steel wire are hooked to pneumatic brake caliper and are fixed on pneumatic brake caliper body by the hook structure on it respectively. Clearance keeping steel wire is 2, and 2 clearance keeping steel wires are respectively set on main support two ends.

[0016] The gap maintaining steel wires are arranged on the main support through the fixing clips 3 respectively, the fixing clip includes a large ring and a small ring, the small ring is located on both sides of the large ring respectively, the gap maintaining steel wire can be bent as a whole from the middle to form an elastic deformation angle structure through the fixing clip. The large ring of the fixing clip is sleeved on the main support, the two ends of the gap maintaining steel wire are bent to form a hook structure respectively, the arc-shaped sleeve of the middle part of the gap maintaining steel wire is sleeved on the large ring, and the two sides of the gap maintaining steel wire are sleeved on the small ring respectively. One main support is fixed on the support of the brake caliper body, the center of the main support is located at the middle position of the brake disc surface, the two gap maintaining steel wires are fixed on the inner and outer friction block back plates, the gap maintaining steel wires are connected on the main support through the fixing clips to form a whole, the inner and outer friction blocks are expanded through the elasticity of the gap maintaining steel wires, the inner and outer friction blocks maintain the maximum gap and do not collide and rub with the brake caliper. The pneumatic brake caliper is provided with holes for fixing the main support and the gap maintaining steel wires, so that the main support and the gap maintaining steel wires can be hooked on the pneumatic brake caliper. Through experimental test, the steel wire frame on the pneumatic brake caliper can maintain the maximum gap of 0.7-1.2 mm between the friction block and the brake disc.

Claims

1. A pneumatic brake caliper with wire gap maintaining mechanism, comprising a pneumatic brake caliper body, the pneumatic brake caliper body is provided with inner friction blocks and outer friction blocks, characterized in that: A steel wire frame for keeping the gap is arranged between the inner friction block and the outer friction block, and the steel wire frame comprises a main support and a gap-keeping steel wire arranged on the main support, the main support is fixed on the body of the pneumatic brake caliper, and the gap-keeping steel wire is connected with the inner friction block and the outer friction block respectively.

2. A pneumatic brake caliper with a wire gap maintenance mechanism according to claim 1, characterized in that: The two ends of the main support are respectively bent to the same side to form a hook structure, and the gap-keeping steel wire is bent as a whole in the middle part to form an elastic deformation angle structure.

3. A pneumatic brake caliper with a wire gap maintenance mechanism according to claim 2, characterized in that: The middle part of the gap-keeping steel wire is bent into an arc sleeve structure, the two ends of the gap-keeping steel wire are respectively bent to form a hook structure, the arc sleeve in the middle part of the gap-keeping steel wire is fixed on the main support, and the hook structures at the two ends of the gap-keeping steel wire are respectively hooked to the inner friction block and the outer friction block.

4. A pneumatic brake caliper with a wire gap maintenance mechanism according to claim 3, characterized in that: The gap-keeping steel wire is two, and the two gap-keeping steel wires are respectively arranged at the two ends of the main support.

5. A pneumatic brake caliper with a wire gap maintenance mechanism according to claim 1, characterized in that: The gap-keeping steel wire is arranged on the main support through a fixing clamp, and the fixing clamp comprises a large ring and a small ring.

6. A pneumatic brake caliper with a wire gap maintenance mechanism according to claim 5, characterized in that: The large ring of the fixing clamp is sleeved on the main support, the two ends of the gap-keeping steel wire are respectively bent to form a hook structure, the arc sleeve in the middle part of the gap-keeping steel wire is sleeved on the large ring, and the two sides of the gap-keeping steel wire are respectively sleeved on the small rings.

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