WO2022252157A1 - Ensemble corps d'étrier de frein, étrier de frein et véhicule - Google Patents

Ensemble corps d'étrier de frein, étrier de frein et véhicule Download PDF

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Publication number
WO2022252157A1
WO2022252157A1 PCT/CN2021/097990 CN2021097990W WO2022252157A1 WO 2022252157 A1 WO2022252157 A1 WO 2022252157A1 CN 2021097990 W CN2021097990 W CN 2021097990W WO 2022252157 A1 WO2022252157 A1 WO 2022252157A1
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WO
WIPO (PCT)
Prior art keywords
caliper body
brake caliper
body assembly
groove
buffer pad
Prior art date
Application number
PCT/CN2021/097990
Other languages
English (en)
Chinese (zh)
Inventor
崔祥波
李朝阳
郑博文
Original Assignee
武汉路特斯汽车有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉路特斯汽车有限公司 filed Critical 武汉路特斯汽车有限公司
Priority to CN202180030973.8A priority Critical patent/CN115917177A/zh
Priority to PCT/CN2021/097990 priority patent/WO2022252157A1/fr
Publication of WO2022252157A1 publication Critical patent/WO2022252157A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/28—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged apart from the brake

Definitions

  • the invention relates to the field of brake caliper, in particular to a brake caliper body assembly, a brake caliper and a vehicle.
  • NVH noise, vibration, acoustics Vibration roughness, Noise, Vibration, Harshness
  • the main means is to change the shape of the friction plate, such as slotting, chamfering, etc., or to increase the sound-absorbing plate; the other is To change the natural frequency of the brake caliper, the main method is to change the structural shape and weight of the caliper body and bracket, and then change its mode.
  • the traditional method is to change the caliper mode by changing the shape and weight of the caliper body. This method has two limitations, one is that the casting mold needs to be modified, the mold repair period is long, and the mold repair cost is high, and the other is that it is impossible to adjust the mode in a large range, which may not match the ideal result.
  • the present invention is proposed to provide a brake caliper body assembly, a brake caliper and a vehicle that overcome the above problems or at least partially solve the above problems.
  • An object of the first aspect of the present invention is to provide a brake caliper body assembly capable of effectively improving its NVH performance.
  • Another object of the present invention is to shorten the time and cost of the NVH performance matching process.
  • An object of the second aspect of the present invention is to provide a brake caliper comprising the above brake caliper body assembly.
  • a brake caliper body assembly including:
  • the caliper body is provided with a concave groove on the side end surface of the claw, and the brake caliper body assembly is configured to change its own weight and mode by adjusting the depth of the groove.
  • the groove is arc-shaped.
  • the caliper body is formed by casting, and the groove is formed by machining.
  • the brake caliper body assembly also includes:
  • the buffer pad is arranged in the groove, and one side thereof abuts against the bottom surface of the groove, and the brake caliper body assembly is configured to change its own weight and mold by adjusting the thickness and shape of the buffer pad and the depth of the groove. state.
  • the shape of the buffer pad is adapted to the groove, and both side walls of the groove are in contact with the buffer pad.
  • the cushion pad is made of rubber or soft plastic, and is configured to change its own shape and thickness by hand-cutting.
  • the brake caliper body assembly also includes:
  • the decorative plate is fixedly connected to the caliper body, and the brake caliper body assembly is configured to adjust the thickness and shape of the buffer pad, the thickness and shape of the decorative plate, and groove depth to vary the weight and modality of the caliper body assembly.
  • the decorative plate is molded by casting and machined to change its own shape and thickness.
  • the decorative plate includes a main body, the main body includes an arc portion and an overhang portion arranged in sequence along the radial direction of the caliper body, one side of the arc portion is in contact with the buffer pad, and the overhang portion extends to completely cover the claw side Large craft hole in end face.
  • the decorative plate also includes a connecting boss, which is arranged on the side of the main body close to the buffer pad, and the connecting boss is provided with a fixing hole;
  • the caliper body is provided with threaded holes corresponding to the fixing holes;
  • the brake caliper body assembly also includes a fastening component, which cooperates with the fixing hole and the threaded hole to fix the decorative plate to the caliper body.
  • the fastening assembly includes a bolt and a spring washer.
  • both the groove and the buffer pad are provided with notches for allowing the connecting boss to pass through.
  • a brake caliper including the brake caliper body assembly described in any one of the above.
  • a vehicle including the above-mentioned brake caliper.
  • the claw side end surface of the caliper body is processed, and a groove is opened.
  • the weight and modality of the entire brake caliper body assembly can be changed, and the modal of the brake caliper body assembly can be realized. Tuned to improve the NVH performance of the brake caliper body assembly.
  • the groove of the pliers body and the structural change of the decorative plate are formed by machining, and this adjustment method does not need to modify the casting molds of the pliers body and the decorative plate, so the adjustment period is short and the cost is low.
  • brake caliper body assemblies of different modes can be obtained by fine-tuning the grooves, buffer pads and decorative plates, thereby improving the NVH performance of the brake caliper.
  • the adjustment of the parameters of the above-mentioned components can be performed individually or simultaneously, which realizes the diversification of adjustment means.
  • the structural change of the groove directly occurs on the caliper body, and the buffer pad and the decorative plate are directly connected to the caliper body, so the modal influence on the brake caliper body assembly is relatively significant, and the brake caliper body assembly can be realized in the A wide range of modal changes finally achieves the ideal NVH matching result.
  • the arc portion of the decorative plate of the present invention can cover the buffer pad and the groove, and the suspended part can completely cover the large process hole at the side end surface of the claw, so that the brake caliper body assembly has a sense of integrity, and can also be used in decoration.
  • a personalized logo is engraved on the plate to improve the appearance quality of the brake caliper assembly.
  • Fig. 1 is a schematic structural view of a brake caliper assembly according to an embodiment of the present invention
  • Fig. 2 is a sectional view of the brake caliper body assembly of Fig. 1;
  • Fig. 3 is a schematic structural view of a caliper body of a brake caliper body assembly according to an embodiment of the present invention
  • Fig. 4 is a structural schematic diagram of a buffer pad of a brake caliper assembly according to an embodiment of the present invention.
  • Fig. 5 is a structural schematic diagram of a decorative plate of a brake caliper assembly according to an embodiment of the present invention.
  • Fig. 6 is a structural schematic diagram of a fastening component of a brake caliper body assembly according to an embodiment of the present invention.
  • Fig. 1 is a schematic structural view of a brake caliper body assembly according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of the brake caliper body assembly of FIG. 1 .
  • the brake caliper body assembly may generally include a caliper body 1 .
  • the brake caliper body assembly may further include other components, which will be introduced successively later.
  • Fig. 3 shows a schematic view of the structure of the caliper body 1. As shown in Fig. 3, a recessed groove 1.2 is provided at the claw side end surface 1.1 of the caliper body 1.
  • the brake caliper body assembly is configured to pass through Adjust the depth of the trench 1.2 to change its own weight and modality.
  • the end surface 1.1 of the claw side of the caliper body 1 is processed, and a groove 1.2 is opened.
  • the weight and mode of the entire brake caliper body assembly can be changed to realize the brake caliper body. Modal adjustments to improve the NVH performance of the caliper body assembly.
  • the setting of the groove 1.2 also provides accommodating space for adding other components, and provides a basis for changing the weight and mode of the brake caliper assembly.
  • the brake caliper body assembly can also add other components for changing the overall weight and mode at the groove 1.2 as required, such as the buffer pad shown in Figure 1 2 and the decorative plate 3, by changing the shape and thickness of the buffer pad 2 and the decorative plate 3, it can also play the role of changing the weight and mode of the brake caliper body assembly.
  • the groove 1.2 is arc-shaped. Since the jaw-side end surface 1.1 of the pliers body 1 is generally arc-shaped, the groove 1.2 provided in this embodiment is adapted to the shape of the jaw-side end surface 1.1.
  • the pliers body 1 is formed by casting, and the groove 1.2 is formed by machining.
  • the caliper body 1 is formed by casting, but the groove 1.2 in this embodiment is formed by machining, so that the depth of the groove 1.2 can be adjusted according to the needs, and then the NVH of the brake caliper body assembly can be adjusted. performance.
  • This adjustment method does not need to modify the casting mold of the caliper body 1, so the adjustment period is short and the cost is low.
  • the brake caliper body assembly further includes a buffer pad 2 disposed in the groove 1.2, and one side thereof abuts against the bottom surface of the groove 1.2.
  • the buffer pad 2 is made of rubber or soft plastic.
  • the brake caliper body assembly can change its own weight and mode by adjusting the thickness and shape of the buffer pad 2, or simultaneously adjust the thickness and shape of the buffer pad 2 and the depth of the groove 1.2 to change its own weight and modulus. modal.
  • the brake caliper body assembly further includes a decorative plate 3, one side of which abuts against the side of the buffer pad 2 away from the groove 1.2, the decorative plate 3 and the caliper body 1 fixed connection.
  • the caliper body assembly is configured to vary the weight of the caliper body assembly by adjusting one or more parameters of the thickness and shape of the cushion pad 2, the thickness and shape of the trim plate 3, and the depth of the groove 1.2 and modal.
  • a buffer pad 2 and a decorative plate 3 are added at the groove 1.2 of the pliers body 1, so the entire structure can be adjusted by changing the structure of the groove 1.2, the buffer pad 2 and the decorative plate 3 The modality of the brake caliper body assembly, thereby improving the NVH performance of the brake caliper body assembly.
  • the groove 1.2 should be processed deeper, and the decorative plate 3 and the buffer pad 2 should be moved to the inside (the side of the caliper body 1 with the piston hole) as a whole, or by increasing the buffer
  • the thickness of the pad 2 compensates the axial dimension, and both solutions do not affect other performances of the brake caliper. If it is necessary to improve the NVH performance by increasing the weight of the caliper body 1, the groove 1.2 should be processed shallower, and the decorative plate 3 and the buffer pad 2 should be moved to the claw side as a whole, or the axial dimension can be compensated by reducing the thickness of the buffer pad 2 , both schemes do not affect other performances of the brake caliper.
  • the axial dimension can be compensated by the following two schemes: scheme 1, pushing the decorative plate 3 outward; scheme 2, deepening the groove 1.2. Both solutions do not affect other performances of the brake caliper. If it is necessary to use a thinner rubber pad to improve NVH, the axial dimension can be compensated by the following two schemes: scheme 1, pushing the decorative plate 3 inward; scheme 2, making the groove 1.2 shallower. Both solutions do not affect other performances of the brake caliper.
  • the corresponding weight and mode of the cushion pad 2 and the decorative panel 3 can also be changed by changing the shape.
  • the decorative plate 3 is molded by casting and machined to change its own shape and thickness.
  • the decorative plate 3 can be formed by casting, when it is necessary to change its shape and/or thickness to match the NVH performance, it can be machined to reduce its thickness or reduce its overall size, thereby changing the overall shape of the brake caliper.
  • the resulting weight and modulus improve the NVH performance of the brake caliper. This adjustment method does not need to change the mold of the decorative panel 3, so the cycle is short and the cost is low.
  • the shape and thickness of the buffer pad 2 can be changed by manual cutting.
  • the buffer pad 2 can be punched and formed. In the stage of NVH performance matching, it can be manually cut into different sizes and shapes according to the needs, so as to change the thickness and shape of the buffer pad 2, and then change the weight and mode of the brake caliper body assembly to improve NVH performance of brake calipers.
  • This adjustment method is simple and easy to operate, the adjustment period is short, and the cost is low.
  • the buffer pad 2 has the function of absorbing sound and vibration, which is further beneficial to improving the NVH performance of the brake caliper.
  • the brake caliper body assembly of different modes can be obtained by fine-tuning the groove 1.2, the buffer pad 2 and the decorative plate 3, thereby improving the NVH performance of the brake caliper, the matching work is convenient, and the matching cycle is short ,low cost.
  • the adjustment of the parameters of the above-mentioned components can be performed individually or simultaneously, which realizes the diversification of adjustment means.
  • the structural change of the groove 1.2 directly occurs on the caliper body 1, and the buffer pad 2 and the decorative plate 3 are directly connected to the caliper body 1, so the modal influence on the brake caliper body assembly is relatively significant, and the brake caliper assembly can be realized In a wide range of modal changes, the ideal NVH matching result is finally achieved.
  • Fig. 4 is a structural schematic diagram of the buffer pad 2 of the brake caliper body assembly according to an embodiment of the present invention. As shown in FIG. 4 , the shape of the buffer pad 2 is adapted to the groove 1.2 , and both side walls of the groove 1.2 are in contact with the buffer pad 2 (see FIG. 2 ), thereby realizing the radial positioning of the buffer pad 2 .
  • Fig. 5 is a schematic structural view of the decorative plate 3 of the brake caliper body assembly according to an embodiment of the present invention.
  • the decorative plate 3 includes a main body, and the main body includes a circular arc portion 3.1 and a suspended portion 3.2 sequentially arranged along the radial direction of the caliper body 1 .
  • the suspended portion 3.2 extends to completely cover the large process hole 1.3 at the end surface 1.1 of the jaw.
  • the arc portion 3.1 in this embodiment can block the buffer pad 2 and the groove 1.2, and the suspended portion 3.2 can completely block the large process hole at the side end surface 1.1 of the claw, so that the brake caliper body assembly has a sense of integrity, and can also be used in A personalized logo is engraved on the decorative plate 3 to improve the appearance quality of the brake caliper body assembly.
  • the decorative plate 3 also includes a connecting boss 3.4, which is arranged on the side of the main body close to the buffer pad 2 .
  • the connecting boss 3.4 is provided with a fixing hole 3.3.
  • the caliper body 1 is provided with a threaded hole 1.4 corresponding to the fixing hole 3.3.
  • the brake caliper body assembly also includes a fastening component, which cooperates with the fixing hole 3.3 and the threaded hole 1.4 to fix the decorative plate 3 to the caliper body 1 .
  • Fig. 6 is a structural schematic diagram of a fastening component of a brake caliper body assembly according to an embodiment of the present invention.
  • the fastening assembly includes a bolt 5 and a spring washer 4 , and the spring washer 4 is used to prevent the bolt from loosening.
  • the bolts 5 pass through the spring washers 4 and the fixing holes 3.3 in turn and are tightened together with the threaded holes 1.4 of the caliper body 1 to firmly fix the decorative plate 3 on the caliper body 1 .
  • the groove 1.2 is provided with a notch 1.5 for allowing the connection boss 3.4 to pass through.
  • the buffer pad 2 is provided with a gap 2.1 for allowing the connection boss 3.4 to pass through.
  • the notch 2.1 of the buffer pad 2 cooperates with the connecting boss 3.4 to realize the circumferential positioning of the buffer pad 2 .
  • the two sides of the buffer pad 2 in the thickness direction abut against the caliper body 1 and the decorative plate 3 respectively, so that the axial positioning of the buffer pad 2 is realized.
  • the present invention also provides a brake caliper, including the brake caliper body assembly in any one of the above embodiments or a combination of embodiments.
  • the present invention also provides a vehicle, including the above-mentioned brake caliper.
  • the brake caliper body assembly with different modes can be obtained by fine-tuning the groove 1.2, buffer pad 2 and decorative plate 3 of the brake caliper body assembly, thereby improving the NVH performance of the brake caliper.
  • the matching work is convenient, the matching period is short, and the cost is low.
  • the adjustment of the parameters of the above-mentioned components can be carried out independently or simultaneously, realizing the diversification of adjustment means, and the structural change of the groove 1.2 directly occurs on the caliper body 1, and the buffer pad 2 and the decorative plate 3 are directly connected to the caliper body 1 , so the modal influence on the brake caliper body assembly is more significant, the modal change of the brake caliper assembly can be realized in a wide range, and finally the ideal NVH matching result can be achieved.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

La présente invention concerne un ensemble corps d'étrier de frein, un étrier de frein et un véhicule, se rapportant au domaine des étriers de frein. L'ensemble corps d'étrier de frein comprend un corps d'étrier (1), une rainure renfoncée (1.2) étant disposée au niveau d'une face d'extrémité côté mâchoire (1.1) du corps d'étrier, et l'ensemble corps d'étrier de frein étant configuré pour modifier le poids et le mode de l'ensemble corps d'étrier de frein lui-même en ajustant la profondeur de la rainure (1.2). Grâce à l'ensemble étrier de frein, à l'étrier de frein et au véhicule, les performances de bruit, vibrations et dureté de conduite (NVH) du véhicule peuvent être efficacement améliorées, un temps d'adaptation de performances NVH peut être raccourci, et le coût est réduit.
PCT/CN2021/097990 2021-06-02 2021-06-02 Ensemble corps d'étrier de frein, étrier de frein et véhicule WO2022252157A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202180030973.8A CN115917177A (zh) 2021-06-02 2021-06-02 一种制动钳体总成、制动卡钳及车辆
PCT/CN2021/097990 WO2022252157A1 (fr) 2021-06-02 2021-06-02 Ensemble corps d'étrier de frein, étrier de frein et véhicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/097990 WO2022252157A1 (fr) 2021-06-02 2021-06-02 Ensemble corps d'étrier de frein, étrier de frein et véhicule

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WO2022252157A1 true WO2022252157A1 (fr) 2022-12-08

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PCT/CN2021/097990 WO2022252157A1 (fr) 2021-06-02 2021-06-02 Ensemble corps d'étrier de frein, étrier de frein et véhicule

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CN (1) CN115917177A (fr)
WO (1) WO2022252157A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57120736A (en) * 1981-01-16 1982-07-27 Akebono Brake Ind Co Ltd Disc brake
JPH10122272A (ja) * 1996-10-17 1998-05-12 Aisin Seiki Co Ltd 摺動シリンダを備えたディスクブレーキ
CN204572875U (zh) * 2015-03-17 2015-08-19 同济大学 一种降低摩擦噪音的汽车制动钳
CN205578559U (zh) * 2016-05-09 2016-09-14 安徽江淮汽车股份有限公司 一种复合型制动消音片、制动摩擦片及制动钳
FR3045750A1 (fr) * 2015-12-16 2017-06-23 Foundation Brakes France Etrier de frein a disque equipe d'une plaque protectrice integrant des plots de fixation au corps d'etrier
CN207349313U (zh) * 2017-09-27 2018-05-11 天合汽车安全技术(张家港)有限公司 一种汽车制动卡钳摩擦块及汽车制动卡钳
CN208442184U (zh) * 2018-04-24 2019-01-29 江铃控股有限公司 制动钳及汽车
CN109578472A (zh) * 2019-01-31 2019-04-05 浙江亚太机电股份有限公司 分体式制动钳总成

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57120736A (en) * 1981-01-16 1982-07-27 Akebono Brake Ind Co Ltd Disc brake
JPH10122272A (ja) * 1996-10-17 1998-05-12 Aisin Seiki Co Ltd 摺動シリンダを備えたディスクブレーキ
CN204572875U (zh) * 2015-03-17 2015-08-19 同济大学 一种降低摩擦噪音的汽车制动钳
FR3045750A1 (fr) * 2015-12-16 2017-06-23 Foundation Brakes France Etrier de frein a disque equipe d'une plaque protectrice integrant des plots de fixation au corps d'etrier
CN205578559U (zh) * 2016-05-09 2016-09-14 安徽江淮汽车股份有限公司 一种复合型制动消音片、制动摩擦片及制动钳
CN207349313U (zh) * 2017-09-27 2018-05-11 天合汽车安全技术(张家港)有限公司 一种汽车制动卡钳摩擦块及汽车制动卡钳
CN208442184U (zh) * 2018-04-24 2019-01-29 江铃控股有限公司 制动钳及汽车
CN109578472A (zh) * 2019-01-31 2019-04-05 浙江亚太机电股份有限公司 分体式制动钳总成

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