Caliper structure facilitating replacement of brake pad

Abstract

The caliper structure comprises a steel backing, a friction plate and a quick release part, the friction plate is provided with a plurality of assembly holes, the quick release part comprises an outer sleeve, an inner sleeve and an insertion rod, the outer sleeve is fixedly sleeved with the assembly holes, the inner sleeve is located in the outer sleeve, and the insertion rod is inserted into the inner sleeve. One end of the inserting rod is fixed to one side of the steel backing, the other end of the inserting rod penetrates through the outer sleeve to be connected with the inner sleeve in a clamped mode, the inserting rod is a cylinder, a clamping groove is formed in the outer wall of the inserting rod, a clamping block is fixedly connected to the inner wall of the inner sleeve, and the clamping block is connected with the clamping groove in a sliding mode. The push-pull rod and the inner sleeve can be driven to rotate together by rotating the pull ring, when the clamping block moves to the corner of the clamping groove, the pull ring can be pulled to enable the inner sleeve to be separated from the insertion rod, after a brand new unworn friction plate is replaced, the steel backing is reinstalled in the calipers, the situation that the steel backing is not matched with the calipers is avoided, and the installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to brake calliper technical field, especially involve the calliper structure convenient to replace brake pad. BACKGROUND

[0002] Brake pad and brake disc in brake calliper are in long time friction contact, and brake pad will produce abrasion, influence safety factor. Brake pad is divided into two parts, one is steel back, the other is friction plate, wherein steel back is used for fixing friction plate in calliper, will not be subjected to any abrasion, but steel back and friction plate are integral, when friction plate and brake disc are damaged by friction, need to be disassembled from calliper and replaced, brand-new steel back is easy to exist certain error with old steel back in the manufacturing process, lead to not easy to adapt in installation, increase replacement difficulty. For this, the utility model provides a kind of calliper structure convenient to replace brake pad. CONTENT OF UTILITY MODEL

[0003] The utility model provides the following technical scheme in view of the problems in the prior art:

[0004] The calliper structure convenient to replace brake pad, including steel back, friction plate and quick release part, the friction plate is equipped with several assembly holes, the quick release part includes outer sleeve, inner sleeve and plug-in rod, the outer sleeve is fixedly sleeved in assembly hole, the inner sleeve is located in the inside of outer sleeve, one end of plug-in rod is fixed in one side of steel back, and the other end penetrates outer sleeve and is clamped with inner sleeve.

[0005] As the preferred technical scheme of the above, the plug-in rod is a cylinder.

[0006] As the preferred technical scheme of the above, the outer wall of plug-in rod is equipped with the clamping groove, the inner wall of inner sleeve is fixedly connected with the clamping block, and the clamping block is slidably connected with the clamping groove.

[0007] As the preferred technical scheme of the above, the hole inner diameter of the side of outer sleeve close to steel back is greater than the outer diameter of inner sleeve.

[0008] As the preferred technical scheme of the above, the outer wall of inner sleeve is fixedly connected with the push-pull rod, one end of push-pull rod away from inner sleeve penetrates outer sleeve, and is fixedly connected with the pull ring.

[0009] As the preferred technical scheme of the above, the inner wall of outer sleeve is fixedly connected with the reset spring, and the end of reset spring is abutted with inner sleeve.

[0010] The utility model has the advantages of:

[0011] 1. The utility model discloses a rotating pull ring can drive the push-pull rod and the inner sleeve to rotate together, when the clamping block moves to the corner of the clamping groove, can pull the pull ring to make the inner sleeve separate from the plug-in rod, after replacing the brand-new and unworn friction plate, install the steel back to the caliper again, avoid the situation that the steel back is not matched with the caliper, improve the installation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 The structure schematic diagram of the caliper structure convenient for replacing the brake pad in the embodiment is shown.

[0013] Figure 2 The structure schematic diagram of the steel back and the friction plate in the embodiment is shown.

[0014] Figure 3 The structure schematic diagram of the quick release part in the embodiment is shown.

[0015] BRIEF DESCRIPTION OF DRAWINGS

[0016] 10, brake interval, 11, steel back, 12, friction plate, 20, quick release part, 21, outer sleeve, 22, inner sleeve, 23, clamping block, 24, push-pull rod, 25, return spring, 26, pull ring, 27, plug-in rod, 28, clamping groove. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the utility model technical scheme will be described clearly and completely below in combination with the embodiment.

[0018] Embodiment 1

[0019] As shown in Figure 1 , Figure 2 and Figure 3 , the caliper structure convenient for replacing the brake pad includes a steel back 11, a friction plate 12 and a quick release part 20, the steel back 11 is installed in the brake interval 10 of the caliper, the friction plate 12 is provided with a plurality of assembly holes, the quick release part 20 includes an outer sleeve 21, an inner sleeve 22 and a plug-in rod 27, the outer sleeve 21 is fixedly sleeved in the assembly hole, the inner sleeve 22 is located inside the outer sleeve 21, one end of the plug-in rod 27 is fixed on one side of the steel back 11, and the other end penetrates the outer sleeve 21 and is clamped with the inner sleeve 22.

[0020] Specifically, through the cooperation of the inner sleeve 22 and the plug-in rod 27, the steel back 11 and the friction plate 12 are separated, after replacing the brand-new and unworn friction plate 12, the steel back 11 is installed in the caliper again, the situation that the steel back 11 is not matched with the caliper does not appear, and the installation efficiency is improved.

[0021] As shown in Figure 2 and Figure 3 , the plug-in rod 27 is a cylinder.

[0022] Specifically, the plug-in rod 27 can be quickly plugged in at any angle.

[0023] As shown in Figure 2 and Figure 3 , the outer wall of the plug-in rod 27 is provided with a clamping groove 28, and the inner wall of the inner sleeve 22 is fixedly connected with a clamping block 23, and the clamping block 23 is in sliding connection with the clamping groove 28.

[0024] Specifically, the clamping groove 28 is in the shape of "L", and by the cooperation of the clamping block 23 and the clamping groove 28, the clamping block 23 can be moved to the corner of the clamping groove 28, so that the plug-in rod 27 and the inner sleeve 22 can be separated.

[0025] As shown in Figure 2 and Figure 3 , the inner diameter of the hole on the side of the outer sleeve 21 close to the steel back 11 is larger than the outer diameter of the inner sleeve 22.

[0026] Specifically, the inner sleeve 22 can only move inside the outer sleeve 21 and cannot be taken out.

[0027] As shown in Figure 3 , the outer wall of the inner sleeve 22 is fixedly connected with a push-pull rod 24, and the end of the push-pull rod 24 away from the inner sleeve 22 penetrates the outer sleeve 21 and is fixedly connected with a pull ring 26.

[0028] Specifically, by rotating the pull ring 26, the push-pull rod 24 and the inner sleeve 22 can be rotated together, and when the clamping block 23 moves to the corner of the clamping groove 28, the pull ring 26 can be pulled to separate the inner sleeve 22 from the plug-in rod 27, which facilitates the replacement of the worn friction plate 12.

[0029] As shown in Figure 3 , the inner wall of the outer sleeve 21 is fixedly connected with a return spring 25, and the end of the return spring 25 abuts against the inner sleeve 22.

[0030] Specifically, the return spring 25 is sleeved on the outer circle of the push-pull rod 24, and since the end of the return spring 25 abuts against the inner sleeve 22, the return spring 25 will not be twisted during the rotation of the inner sleeve 22.

[0031] Embodiment 2

[0032] As shown in Figure 1 , Figure 2 and Figure 3 , the caliper structure for replacing the brake pad, compared with embodiment 1, the friction plate 12 of this embodiment includes a layered friction layer, a ventilated heat dissipation substrate and an elastic noise reduction piece.

[0033] The layered friction layer is composed of a ceramic fiber base friction layer, a copper fiber transition layer and a graphite lubricating layer, and has a total thickness of 5-8mm; the surface of the ventilated heat dissipation base plate is provided with wave-shaped heat dissipation grooves, the groove depth is 1.2-1.8mm, the groove width is 2-3mm, and the groove spacing is 4-6mm; the elastic noise reduction sheet is made of silicon-aluminum alloy and has a honeycomb structure, and is connected to the base plate through buckles, and the honeycomb hole diameter is Φ2-3mm.

[0034] Specifically, the ceramic fiber base friction layer is doped with silicon carbide particles with a particle size of 10-20μm and a mass ratio of 15%-20%, and the friction coefficient is stabilized at 0.38-0.42; the wave-shaped heat dissipation grooves are staggered at an angle of 30°-45°, and the groove bottom is provided with a nano-aluminum oxide coating with a thermal conductivity of ≥30W / (m·K); and the honeycomb holes of the elastic noise reduction sheet are filled with high-temperature resistant silica gel damping material with a damping coefficient of ≥0.15 and a working temperature range of-50℃ to 600℃.

[0035] Test conditions: vehicle speed 100km / h→0, interval 30 seconds, continuous braking 10 times;

[0036] Data results:

[0037] Friction coefficient: initial 0.41, 10th time 0.39;

[0038] Maximum temperature: 485℃ (traditional product 620℃) ;

[0039] Noise value: 72dB (traditional product 87dB).

[0040] The above examples are only used to illustrate the technical solutions of the present application, and not to limit them.

Claims

1. A caliper structure for facilitating replacement of brake pads, comprising a steel back (11), a friction pad (12) and a quick release member (20), characterized in that: The friction plate (12) is provided with a plurality of assembly holes, the quick release member (20) comprises an outer sleeve (21), an inner sleeve (22) and a plug-in rod (27), the outer sleeve (21) is fixedly sleeved in the assembly hole, the inner sleeve (22) is located in the inner portion of the outer sleeve (21), one end of the plug-in rod (27) is fixed on one side of the steel back (11), and the other end penetrates through the outer sleeve (21) and is clamped with the inner sleeve (22).

2. The caliper structure of claim 1, wherein, The plug-in rod (27) is a cylinder.

3. The caliper structure of claim 1, wherein, The outer wall of the plug-in rod (27) is provided with a clamping groove (28), the inner wall of the inner sleeve (22) is fixedly connected with a clamping block (23), and the clamping block (23) is slidably connected with the clamping groove (28).

4. The caliper structure of claim 1, wherein, The inner diameter of the hole on the side, close to the steel back (11), of the outer sleeve (21) is greater than the outer diameter of the inner sleeve (22).

5. The caliper structure of claim 1, wherein, The outer wall of the inner sleeve (22) is fixedly connected with a push-pull rod (24), one end, away from the inner sleeve (22), of the push-pull rod (24) penetrates through the outer sleeve (21) and is fixedly connected with a pull ring (26).

6. The caliper structure of claim 1, wherein, The inner wall of the outer sleeve (21) is fixedly connected with a reset spring (25), and the end portion of the reset spring (25) abuts against the inner sleeve (22).

Images