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
  • F16D65/02—Braking members; Mounting thereof
  • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
  • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
  • F16D65/095—Pivots or supporting members therefor
  • F16D65/097—Resilient means interposed between pads and supporting members or other brake parts
  • F16D65/0973—Resilient means interposed between pads and supporting members or other brake parts not subjected to brake forces
  • F16D65/0974—Resilient means interposed between pads and supporting members or other brake parts not subjected to brake forces acting on or in the vicinity of the pad rim in a direction substantially transverse to the brake disc axis
  • F16D65/0975—Springs made from wire
  • F16D65/0976—Springs made from wire acting on one pad only
• • 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
  • F16D2200/00—Materials; Production methods therefor
  • F16D2200/0004—Materials; Production methods therefor metallic
  • F16D2200/0008—Ferro
  • F16D2200/0013—Cast iron
• • 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
  • F16D2200/00—Materials; Production methods therefor
  • F16D2200/0004—Materials; Production methods therefor metallic
  • F16D2200/0008—Ferro
  • F16D2200/0021—Steel
• • 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
  • F16D2250/00—Manufacturing; Assembly
  • F16D2250/0007—Casting
• • 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
  • F16D2250/00—Manufacturing; Assembly
  • F16D2250/0023—Shaping by pressure

Definitions

• Lining carrier plates for disc brakes of a motor vehicle according to the preamble of Pa tent fries 1 are known in many ways. Lining carrier plates are performed in such disc brake devices in a shaft of the brake caliper or the Brem senarmes and supported therein.
• the lining carrier plate is designed to receive a brake pressure transmitted through a brake cylinder in order to transmit it further to the brake disc. So that the brake disk is held securely in the shaft of the brake caliper or the brake carrier, hold-down springs are provided, which often act on the top of the brake disk and are biased radially against the brake disk and tangentially against the brake disk by means of a hold-down device.
• Lining carrier plates with hold-down springs of this type are shown, for example, in DE 102013008 155A1.
• a wire spring for a brake shoe arrangement in a floating caliper brake is known from DE 10351 477 B4.
• the wire spring there is mounted on its circular coils in a recess of a lining plate for the brake shoe to prevent rattling of the brake shoes on the guides in the brake shoe assembly.
• a further object of the invention is to provide a method for producing a lining carrier plate according to the preamble of claim 1.
• the object is achieved by a lining carrier plate with the features of claim 1.
• the object is achieved in each case by a method having the features of claim 10 or 14.
• Advantageous refinements of the invention can be found in the subclaims.
• the lining carrier plate according to the invention for a disc brake of a motor vehicle, in particular a special utility vehicle, has a front side which is designed to receive a friction lining.
• the lining carrier plate according to the invention is characterized in that the lining carrier plate has a rear side on which a receiving device is arranged, which is designed to receive a spring element consisting of a spring base and two spring legs arranged at the ends of the spring base.
• the Fe derelement can be designed as a wire spring.
• the receiving device on the rear side of the lining carrier plate is formed in a materially bonded manner with the latter.
• a lining carrier plate according to the invention with such a spring element can also be claimed.
• the receiving device for receiving the spring element is an integral part of the lining carrier plate and is already produced with the lining carrier plate during manufacture.
• the receiving device is thus held captive on the lining carrier plate. Therefore, no individual elements, such as screws or retaining clips, have to be kept available so that a receiving device for a spring element can be arranged on the back of the lining carrier plate. This means that there are no logistical expenses for the procurement and storage of these individual parts.
• the processing step of joining these individual parts to the backing plate on its back is also omitted.
• the logistical effort and also the energetic expenditure for the arrangement of a receiving device for a spring element on the back of a lining carrier plate can be minimized.
• both the economic and the ecological balance of the lining carrier plate according to the invention compared to the lining carrier plates known from the prior art according to the preamble of claim 1 is significantly improved
• the receiving device has at least one support element for the spring base and each of the two spring legs on the rear side of the lining carrier plate.
• This embodiment of the invention ensures that the spring is securely held in the shaft of the brake caliper or of the brake carrier when the lining carrier plate is in operation in a brake system, the support elements supporting the spring element under load in such a way that the spring element performs the desired spring function within the brake system, in particular as a hold-down spring.
• only one support element can be provided for both spring legs and / or the spring base.
• the support element can be designed as a projection with at least one through opening or recess, similar to a handle or a pocket.
• the support element can have two through openings, in particular bores, for inserting the spring legs.
• the receiving device can have only one support element for the spring base and / or only one support element for a spring leg. According to an advantageous embodiment, this reduced receiving device has one or more of the support and guide elements described below for stabilizing the associated spring.
• At least one of the support elements is formed in relation to the back of the lining carrier plate an undercut for receiving the spring base or a spring leg of the spring element.
• Such undercuts once again improve the supporting effect and the captive positioning of the spring element within the receiving device, since the individual elements of the spring element, in particular the spring legs and the spring base, are supported by such rear cuts are wrapped around on more than one side. In this way, a loss protection of a spring inserted into the receiving device is optimized.
• Such undercuts can be designed differently.
• the support elements have an area arranged vertically on the lining carrier plate, to which an angled, in particular right-angled area of the support element adjoins, which is at an angle of less than 90 ° to the rear of the lining carrier plate, is arranged in particular parallel to the back of the lining carrier plate.
• the support elements for the spring base or the spring legs are designed in such a way that they have an acute-angled surface in relation to the rear of the lining carrier plate in the area in which the spring element is supported on them .
• the undercuts described here are particularly well suited to hold the spring element in a captive manner within the receiving device for the spring element.
• the undercuts can be designed in such a way that they are adapted to the profile of the spring element.
• these undercuts can have corresponding circular segment-shaped support surfaces for the spring element in the case of spring elements that are circular in cross-section.
• the receiving device has a securing element assigned to the support element for the spring base, aims in the same direction. Through this securing element, a loading area is formed between it and the support element for the spring base, in which the inserted spring element can be received in a captive manner.
• the receiving device has a common support and guide element for the two spring legs arranged on a central longitudinal axis between a lining carrier top and the support elements of the two spring legs.
• This support element is primarily never used to ensure that the spring legs can be supported on it under load when the lining carrier plate is installed in a shaft of a brake caliper or a brake carrier.
• this support element can when the spring is inserted into the receiving device on the Serve the back of the backing plate as a guide element.
• further elements can be provided which are each assigned to a single spring leg.
• These further support and guide elements are preferably not arranged on the central longitudinal axis between the top side of the lining carrier and the support elements of the two Fe derschenkel.
• the elements can be designed, for example, as projections with a cylindrical or polygonal cross section and optionally also have undercuts.
• the spring legs are provided at their open ends with a support area with which the spring element is supported on a support element of the disc brake system in a lining carrier plate mounted in a disc brake system.
• the method according to the invention for producing a previously described lining carrier plate, in particular made of cast metal has the following method steps: a. Providing an at least two-part negative mold of a lining carrier plate which has a negative mold for the receiving device, b. Providing a metal melt, in particular a cast iron melt, c. Closing the at least two-part negative mold of the lining carrier plate d. Filling the at least two-part negative mold of the lining carrier plate with the melt, e. At least partial hardening of the melt within the closed negative mold of the lining carrier plate, f. Opening the negative mold of the lining carrier plate, g. Removal of the at least partially cured facing carrier plate.
• the method according to the invention is characterized in that the negative shape of the lining carrier plate has a negative shape for the receiving device.
• the receiving device is produced as an integral part of the same when the lining carrier plate is being cast, without the need for subsequent joining work steps in order to mount a corresponding receiving device on the back of the lining carrier plate.
• the lining carrier plate is designed as a steel plate.
• the lining carrier plate can be punched out of a rolled steel strip.
• the receiving device can be formed by a push-through process, in particular by a punching process.
• the receiving device has knob-like projections on the rear side of the lining carrier plate as support elements, in particular for supporting the spring legs, which are also referred to as knobs.
• the spring legs In the installed position, the spring legs preferably rest against the knobs, at least in some areas.
• the knobs can be circular, for example, but also have other shapes.
• the knobs can, for example, be semicircular, with the undercuts only being able to point towards the center of the lining carrier plate.
• the method according to the invention for producing a previously described steel backing plate with knobs on the back includes that the receiving device of the backing plate with knob-like protrusions with undercuts as support elements that protrude through parts of the backing plate to the back of the backing plate is formed, wherein the knob-like projections are formed in a first step in a forming process, and that the knob-like projections are split up and formed in a second step in the opposite direction to the forming process of the first step, whereby the undercuts are formed.
• a rolled steel strip can be used to manufacture the backing plate.
• the Be lagajiplatte or the contour of the same can be punched out of the steel strip, for example.
• Figure 1 shows a first embodiment of a lining carrier plate according to the invention in a plan view of the rear
• FIG. 2 the lining carrier plate of FIG. 1, in which a spring element is inserted
• FIG. 3 the lining carrier plate of FIG. 1 with finally positioned spring element
• FIG. 4 shows a detailed view of the receiving device of the lining carrier plate of FIGS. 1 to 3 and
• FIG. 5 shows a further detailed view of the receiving device of the lining carrier plate of FIGS. 1 to 3
• FIG. 6 a second exemplary embodiment of a lining carrier plate according to the invention in a plan view of the rear side, FIG. 7 the lining carrier plate of FIG. 6, in which a spring element is inserted,
• FIG. 8 the lining carrier plate of FIG. 6 with finally positioned spring element
• FIGS. 1 to 5 shows a fourth embodiment according to FIGS. 1 to 5, but without a support element
• 11-13 a fifth embodiment of the lining carrier plate with knob-like projections and support elements
• FIG. 14 shows the embodiment according to FIGS. 11-13 as a sectional illustration through the cutting line according to FIG. 11,
• FIG. 15 shows a sixth embodiment of the lining carrier plate with knob-like projections, but without support elements
• FIG. 16 shows the embodiment according to FIG. 15 as a sectional illustration
• FIG. 17 shows the embodiment according to FIGS. 15 and 16 as an enlarged section of FIG
• a lining carrier plate 1 produced by the method according to the invention is shown in a plan view of the rear side.
• the lining carrier plate 1 has a front side 2 to which a friction lining can be applied, a rear side 3, a lining carrier plate top 17 and a lining carrier plate bottom 24.
• a receiving device 4 for a spring element is shown on the rear side 3 of the loading support plate 1.
• the receiving element 4 consists of a support element 9 for a Federba sis, two support elements 10 and 11 each for a spring leg, a common support element 18 for the spring legs and a securing element 15 for the spring base.
• the securing element 15 also has a run-on bevel 23, above which the spring base is pushed out when a spring element is inserted in order to come to rest between the securing element 15 and the support element 9.
• the spring element 5 can be designed as a wire spring, as is the case in the present exemplary embodiment.
• the spring base 6 is a substantially semicircular turn.
• the semicircular turn and the parallel spring legs form an approximately U-shaped section 35 of the spring element 5 or the wire spring.
• the free or open ends 19, 20 of the legs 7 and 8 are at least partially angled to each other, in particular the free ends 19, 20 extend outward in the assembled position.
• support areas 21 and 22 are also provided, with which the spring element 5 or the spring legs in the assembled state during operation within a brake system can be supported on this in order to enable the spring action union.
• the spring element 5 can have the transition from the U-shaped section 35 to the angled area of the legs 7, 8 approximately in the middle.
• the lining carrier plate 1 according to the invention can have such a spring element 5, in particular a wire spring.
• the receiving device 4 is designed to be mirror-symmetrical with respect to a longitudinal axis 16 of the lining carrier plate 1.
• Both the common support element 18 for the spring legs and the securing element 15 and the support element 9 for the spring base lie mirror-symmetrically on this central longitudinal axis 16, while the support elements 10 and 11 of the respective spring legs are mirror-symmetrically spaced from the central axis 16.
• FIG. 1 A detailed representation of the receiving device 4 in a perspective view from the upper side of the loading support plate 17 is shown in FIG. It can be seen here that the support element 9 for the spring base is arranged on the rear side 3 of the lining carrier plate 1 in the area of the Belagträ gerplattenunterseite 24. Adjacent to the support element 9 for the spring base, the securing element 15 is arranged, which is provided with a run-on bevel 23, which is from the support element 9 faces away. The spring base of an inserting spring element can be pushed away over this run-on bevel 23, so that the spring base can be securely positioned between the support element 9 of the spring base and the securing element 15. The securing element 15 ensures that an inserted spring element cannot be easily removed from the receiving device 4 again.
• the support element 9 for a spring base can also be provided with an undercut that is not incorporated here.
• the undercuts 13 and 14 of the support elements 10 and 11 for the spring legs of a spring element can be clearly seen.
• the support elements 10 and 11 are designed in such a way that they have a web 25, 26 which is essentially perpendicular to the rear side 3 of the lining carrier plate 1 and on which there is an area 27, 28 which runs essentially parallel to the rear side 3 of the lining carrier plate 1 connects.
• the undercuts 13 and 14 are designed in such a way that their shape is adapted to the profile or the cross section of a spring leg of the spring element with a round cross section. Such undercuts adapted to the shape of the spring legs result in a very good supporting effect of the supporting elements 10 and 11 and in a secure, captive arrangement of the spring element within the receiving device 4.
• the spring element 5 which is made from a metal part with a round cross-section or wire, essentially consists of a rounded spring base 6, to which parallel areas of spring legs 7 and 8 are connected. At the open ends 19, 20 of the legs 7 and 8, support areas 21 and 22 are also arranged, with which the spring element 5 or the spring legs can be supported on this in the assembled state during operation within a brake system, thus enabling the spring effect.
• the insertion of the spring element 5 begins with the fact that the spring base 6 is positioned between the common support element 18 and the respective support elements 10 and 11 of the spring legs 7 and 8, the spring legs 7 and 8 opposite the common support element 18 are positioned.
• the spring base 6 jumps into the space between the securing element 15 and the support element 9 of the spring base 6.
• the spring base 6 is thus now held securely and cannot be lost in the receiving device 4 for the spring element 5, since the securing element 15 prevents the spring element 5 from shifting back, while the undercuts 13 and 14 of the support elements 10 and 11 of the spring legs 7 and 8 make it impossible for the spring element 5 to pivot out of the receiving device 4.
• the spring element 5 with its spring legs 7 and 8 can now be supported under load on the common support element 18, where in this way the lining plate 1 is held in its position.
• the spring element 5 serves as a hold-down spring for the lining carrier plate 1.
• FIGs 6 to 8 a second embodiment of a Belagträ gerplatte 1 according to the invention is shown, which essentially corresponds to the first embodiment of Figures 1 to 6.
• the spring legs 7 and 8 each have a further support element 29 and 30, respectively provided, which is arranged above the support and guide element 18 between this and the lining carrier upper side 17.
• the support elements 29 and 30 did not have any undercuts.
• the support elements 29 and 30 are also provided with undercuts.
• the support elements 29 and 30 with the respectively assigned support element 10 and 11 of the spring legs 7 and 8 are designed essentially in alignment with the central longitudinal axis 16 and mirror-symmetrically to the central longitudinal axis 16.
• the support elements 29 and 30 have a greater or smaller spacing with respect to the central longitudinal axis 16 than the support elements 10 and 11 and are therefore not aligned with them, but still have a mirror symmetry to the central longitudinal axis 16.
• FIG. 9 shows a third exemplary embodiment of a lining carrier plate 1 according to the invention, which essentially corresponds to the second exemplary embodiment in FIGS. 6 to 8. In contrast to the second exemplary embodiment, however, no support element 18 is provided for the spring legs 7, 8.
• FIG. 10 a fourth exemplary embodiment of the lining carrier plate 1 according to the invention is shown, which essentially corresponds to the first exemplary embodiment according to FIGS. 1 to 5, but no support element 18 is provided for the spring legs 7, 8 either.
• a fifth embodiment of the lining carrier plate 1 according to the invention is shown, the lining carrier plate 1, which is essentially made of steel, in the present example has a receiving device 4 with four knob-like projections 31 designed as support elements, which are also referred to as knobs .
• the knobs 31 are provided on the rear side 3 of the lining carrier plate 1.
• the spring legs 7, 8 rest against the knobs 31 at least in some areas.
• support elements 29 and 30 are also provided for the spring legs 7, 8 in this exemplary embodiment.
• FIG. 14 a sectional illustration through the center line according to FIG. 11 is shown.
• the sixth exemplary embodiment according to FIGS. 15 to 17 differs from the fifth exemplary embodiment in that the lining carrier plate 1 according to the invention does not have any lateral support elements 29 and 30 for the spring legs 7, 8.
• the lining carrier plate 1, which is essentially made of steel, has a plurality, in the present case four, knobs 31, on which each spring leg 7, 8 rests at least in some areas.
• the Fi gur 16 is a sectional illustration along the section line 36 through the knobs 31 in FIG. 15 and in FIG. 17 an enlarged detail of the illustration according to FIG. 16 can be seen.
• knob-like projections 31 are designed as impressions and are therefore integral with the carrier plate 1.
• knob-like projections or knobs 31 a plurality of circular knobs, for example with a diameter of approx stand from the carrier plate surface on the back 3 from.
• the ratio of knob diameter to carrier plate thickness can be between 1 and 2, and preferably a little over 1.
• a tool is pressed in the opposite direction against the protruding knobs 31 in order to split the knobs 31 in a further forming process and to form projections 32 with undercuts 33 from the knobs 31.
• It can be a Tool with a pyramid-shaped tip can be used, which facilitates splitting of the knobs 31.
• Conical tip tools can also be used, but pyramidal tip tools are preferred.
• the splitting of the projections 32 forms the strong undercuts 33 with which the friction lining can be anchored on the carrier plate 1 in such a way that high shear forces can be absorbed.
• Circular recesses 34 for example with a depth of 2 to 3 mm, whose bases can be convexly curved, remain on the front side 2 of the carrier plate 1.
• the friction material of the friction lining can penetrate into the undercuts 33 and anchor itself firmly there.
• knob-like protrusions 32 protrusions

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Braking Arrangements (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

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Citations (6)

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• 2020
  • 2020-03-09 DE DE102020106296.6A patent/DE102020106296A1/de active Pending
• 2021
  • 2021-03-09 BR BR112022017772A patent/BR112022017772A2/pt active Search and Examination
  • 2021-03-09 US US17/905,833 patent/US12498006B2/en active Active
  • 2021-03-09 ES ES21711215T patent/ES3057616T3/es active Active
  • 2021-03-09 MX MX2022011074A patent/MX2022011074A/es unknown
  • 2021-03-09 JP JP2022554309A patent/JP7671304B2/ja active Active
  • 2021-03-09 KR KR1020227032705A patent/KR102924763B1/ko active Active
  • 2021-03-09 WO PCT/EP2021/055860 patent/WO2021180686A1/de not_active Ceased
  • 2021-03-09 EP EP21711215.0A patent/EP4118356B1/de active Active
  • 2021-03-09 CN CN202180027838.8A patent/CN115427706B/zh active Active
  • 2021-03-09 CA CA3171039A patent/CA3171039A1/en active Pending

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