CN114017453B - Main shaft stop ring structure - Google Patents

Main shaft stop ring structure Download PDF

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Publication number
CN114017453B
CN114017453B CN202111321510.5A CN202111321510A CN114017453B CN 114017453 B CN114017453 B CN 114017453B CN 202111321510 A CN202111321510 A CN 202111321510A CN 114017453 B CN114017453 B CN 114017453B
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CN
China
Prior art keywords
main shaft
nut
stop
ring structure
stop ring
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN202111321510.5A
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Chinese (zh)
Other versions
CN114017453A (en
Inventor
董西杰
方雳
张凯利
王红杰
卓杨伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Huifeng Auto Parts Co ltd
Original Assignee
Zhejiang Huifeng Auto Parts Co ltd
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 Zhejiang Huifeng Auto Parts Co ltd filed Critical Zhejiang Huifeng Auto Parts Co ltd
Priority to CN202111321510.5A priority Critical patent/CN114017453B/en
Publication of CN114017453A publication Critical patent/CN114017453A/en
Application granted granted Critical
Publication of CN114017453B publication Critical patent/CN114017453B/en
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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
    • F16D11/00—Clutches in which the members have interengaging parts
    • F16D11/02—Clutches in which the members have interengaging parts disengaged by a contact of a part mounted on the clutch with a stationarily-mounted member
    • F16D11/06—Clutches in which the members have interengaging parts disengaged by a contact of a part mounted on the clutch with a stationarily-mounted member with clutching members movable otherwise than only axially, e.g. rotatable keys
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • 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
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
    • 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
    • F16D2121/00—Type of actuator operation force
    • F16D2121/18—Electric or magnetic
    • F16D2121/24—Electric or magnetic using motors
    • 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
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
    • F16D2125/34—Mechanical mechanisms converting rotation to linear movement or vice versa acting in the direction of the axis of rotation
    • F16D2125/40—Screw-and-nut
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Braking Arrangements (AREA)
  • Transmission Devices (AREA)

Abstract

The application relates to the technical field of engineering parts and discloses a main shaft stop ring structure, which comprises a main shaft and stop rings, wherein the main shaft and the stop rings are integrally formed, a threaded part is arranged on the main shaft, one side of the stop rings, which faces the threaded part, is provided with a boss, the boss is provided with a spring area, nut stop rods are arranged on the boss, at least two nut stop rods are arranged and uniformly arranged along the circumferential direction, and the outer side of each nut stop rod is provided with an inclined plane. The main shaft and the stop ring are integrally formed, so that the problem that the main shaft diameter is extremely easy to scratch at the opening of the clamping ring in the assembly process, so that the assembly is in failure in sealing during working and oil leakage is generated is solved, the quality requirement and the cost requirement of the whole vehicle to parts in the current stage are met, the whole quality of the product is improved, the manufacturing is optimized, and the cost of the assembly step is reduced.

Description

Main shaft stop ring structure
Technical Field
The application relates to the technical field of engineering parts, in particular to a main shaft check ring structure.
Background
In the automobile brake caliper, the MGU motor drives the main shaft to rotate anticlockwise, the nut axially displaces on the main shaft, the brake piston is ejected out to brake, and when braking is not needed, the MGU drives the main shaft to rotate clockwise, the nut axially moves back to the starting point, and the nut is positioned by the check ring. At present, the check ring and the main shaft are separated, and when the assembly is assembled, the check ring is sleeved into the main shaft to be compressed, and the main shaft diameter is easily scratched at the opening of the clamp ring in the compressing process, so that the assembly is in sealing failure during working, and oil leakage phenomenon is generated. In order to meet the quality requirement and cost control of the whole vehicle on parts, the current structure is necessary to be optimized, and the current stop structure is difficult to play a good buffering role when the power control fails, so that parts are damaged, the later maintenance cost is increased, and the application aims at the problems.
Disclosure of Invention
The application aims to provide a main shaft check ring structure which is used for overcoming the problems.
The application is realized by the following technical scheme.
The application discloses a main shaft stop ring structure, which comprises a main shaft and stop rings, wherein the main shaft and the stop rings are integrally formed, a threaded part is arranged on the main shaft, a boss is arranged on one side, facing the threaded part, of the stop rings, a spring area is arranged on the boss, nut stop rods are arranged on the boss, at least two nut stop rods are uniformly arranged along the circumferential direction, and an inclined plane is arranged on the outer side of each nut stop rod.
Further, the spring area is hollowed-out on the boss.
Further, the spring region is detachably mounted with the boss.
Further, the main shaft and the stop ring are formed by cold heading.
Further, the number of turns of the spring area is at least two.
Further, the gap between each turn in the spring zone is greater than 2mm.
Further, the spring zone length is greater than twice the pitch in the threaded portion.
The utility model provides a displacement driving structure, includes main shaft check ring structure and nut main part 3, nut main part 3 is formed by two semicircle parts concatenation, nut main part 3 side is equipped with the stop circular slot 33, nut main part 3 is installed on the screw thread portion 21 in the main shaft check ring structure.
Further, an intermediate member is mounted on the nut body.
Further, the two semicircular parts of the nut body are connected in a clamping or welding mode.
The application has the beneficial effects that:
the main shaft and the stop ring are integrally formed, so that the problem that the main shaft diameter is extremely easy to scratch at the opening of the clamping ring in the assembly process, so that the assembly is in failure in sealing during working and oil leakage is generated is solved, the quality requirement and the cost requirement of the whole vehicle to parts in the current stage are met, the whole quality of the product is improved, the manufacturing is optimized, and the cost of the assembly step is reduced.
Through setting up the spring district, when power such as motor, control system or control module became invalid, even the nut hit the check ring, under the effect in spring district, can play the effect of buffering, the at utmost avoids check ring and main shaft to damage to, under the effect of nut stop lever, the messenger nut that can be timely stops the displacement, avoids causing further damage.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
The application will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of a spindle stop ring structure of the present application;
FIG. 2 is a schematic side elevational view of FIG. 1;
FIG. 3 is a schematic view of the structure of the spring zone;
FIG. 4 is a schematic left-hand structural view of the nut body of FIG. 1;
fig. 5 is a right-side view of the nut body of fig. 1.
Detailed Description
The application is described in detail below in connection with fig. 1-5.
The application relates to a main shaft stop ring structure, which comprises a main shaft 2 and stop rings 1, wherein the main shaft 2 and the stop rings 1 are integrally formed, a threaded part 21 is arranged on the main shaft 2, a boss 11 is arranged on one side of the stop rings 1 facing the threaded part 21, a spring area 13 is arranged on the boss 11, the spring area 13 is formed by hollowing out on the boss 11, a nut stop rod 12 is arranged on the boss 11, at least two nut stop rods 12 are uniformly arranged along the circumferential direction, and an inclined plane is arranged on the outer side of the nut stop rod 12.
The structure can be assembled in a brake caliper, the motor drives the spindle 2 to rotate, the nut axially displaces on the spindle 2, the brake piston is ejected to brake, when the brake is not needed, the spindle rotates, the axial direction of the nut moves back to the starting point and is positioned by the check ring, the traditional check ring and the spindle are separated, when the assembly is assembled, the check ring is sleeved into the spindle to be tightly pressed, the main machine rod diameter is easily scratched at the opening of the clamp ring in the tightly pressing process, so that the assembly is in operation, the sealing is invalid, and the oil leakage phenomenon is generated.
Meanwhile, by arranging the spring area 13, when the power or the control module such as a motor and a control system fails, even if the nut bumps against the check ring, the check ring and the main shaft can be prevented from being damaged to the greatest extent under the action of the spring area 13, and the nut can be timely stopped to be displaced under the action of the nut stop rod 12, so that further damage is avoided.
During processing, the main shaft 2 and the stop ring 1 can be formed in a cold heading or cutting mode, then round holes are formed around the main shaft on the boss 11 of the stop ring 1, and then spring areas are hollowed out outside the round holes on the boss, so that the number of parts is further reduced, and assembly steps are reduced.
In another embodiment, the spring area 13 is detachably mounted with the boss 11, so that the spring area is convenient to detach and replace.
Preferably, the number of turns of the spring zone 13 is at least two.
Preferably, the gap between each turn in the spring zone 13 is greater than 2mm.
Preferably, the spring zone 13 is longer than twice the pitch in the threaded portion 21.
A nut structure, a displacement driving structure, including the said main shaft stops the check ring structure and nut body 3, the said nut body 3 is spliced by two semicircle parts, the said nut body 3 side is equipped with the round slot 33 of stop, the said nut body 3 is installed on the threaded part 21 in the said main shaft stops the check ring structure, stop the round slot 33 width slightly greater than nut stop the fine end width of the pole 12 or equal to nut stop the pole 12 fine end width, when the nut body 3 compresses the spring zone, the nut stop the pole 12 inserts and stops the round slot 33, exert the outward force to the nut body 3 under the slope of the nut stop pole 12, make two parts that make up the nut body 3 separate, achieve the purpose of stopping, avoid the main shaft to receive the great damage.
Preferably, the middle piece 31 is mounted on the nut main body 3, the mounting mode is welding, clamping and the like, the nut main body 3 is connected with a functional piece driven by the middle piece 31, after the nut main body 3 is braked by the nut stop rod 12, two parts of the nut main body 3 are separated, and damage to the functional piece is avoided under the action of the middle piece 31.
Preferably, the two semicircular parts of the nut body 3 are connected in a clamping or welding manner, and the maximum bearing force of the connecting part is smaller than the force exerted on the nut body 3 by the inclined surface on the outer side of the nut stop rod 12 and larger than the force exerted during normal operation.
The welding of the nut body 3 to the intermediate member 31 and the two semicircular portions of the nut body 3 is spot welding, and the maximum bearing force of the welded portion is smaller than the force applied to the nut body 3 by the outer inclined surface of the nut stopper rod 12.
The above embodiments are only for illustrating the technical concept and features of the present application, and are intended to enable those skilled in the art to understand the present application and implement it without limiting the scope of the present application. All equivalent changes or modifications made in accordance with the spirit of the present application should be construed to be included in the scope of the present application.

Claims (9)

1. A main shaft stop ring structure which is characterized in that: including main shaft (2), backstop circle (1) and nut main part (3), main shaft (2) and backstop circle (1) are integrated into one piece, have screw thread portion (21) on main shaft (2), backstop circle (1) orientation screw thread portion (21) one side is equipped with boss (11), be equipped with spring district (13) on boss (11), install nut stop lever (12) on boss (11), nut stop lever (12) set up two and evenly set up along the circumferencial direction at least, nut stop lever (12) outside has the inclined plane, nut main part (3) are formed by two semicircle part concatenation, nut main part (3) side is equipped with stop circular slot (33), nut main part (3) are installed screw thread portion (21) in the main shaft stop collar structure.
2. A spindle stop ring structure according to claim 1, wherein: the spring area (13) is hollowed-out and formed on the boss (11).
3. A spindle stop ring structure according to claim 1, wherein: the spring area (13) is detachably arranged with the boss (11).
4. A spindle stop ring structure according to any one of claims 1-3, wherein: the main shaft (2) and the stop ring (1) are formed by cold heading.
5. A spindle stop ring structure according to any one of claims 1-3, wherein: the number of turns of the spring area (13) is at least two.
6. The spindle stop ring structure of claim 5 wherein: the gap between each turn in the spring zone (13) is greater than 2mm.
7. The spindle stop ring structure of claim 6 wherein: the spring zone (13) has a length greater than twice the pitch of the thread (21).
8. A spindle stop ring structure according to claim 1, wherein: the nut body (3) is provided with an intermediate piece (31).
9. The spindle stop ring structure of claim 8 wherein: the two semicircular parts of the nut main body (3) are connected in a clamping or welding mode.
CN202111321510.5A 2021-11-09 2021-11-09 Main shaft stop ring structure Active CN114017453B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111321510.5A CN114017453B (en) 2021-11-09 2021-11-09 Main shaft stop ring structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111321510.5A CN114017453B (en) 2021-11-09 2021-11-09 Main shaft stop ring structure

Publications (2)

Publication Number Publication Date
CN114017453A CN114017453A (en) 2022-02-08
CN114017453B true CN114017453B (en) 2023-08-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111321510.5A Active CN114017453B (en) 2021-11-09 2021-11-09 Main shaft stop ring structure

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102628499A (en) * 2011-02-02 2012-08-08 福特全球技术公司 Ball screw and steering device equipped with the same
CN102991490A (en) * 2011-09-08 2013-03-27 株式会社万都 Electro mechanical brake module and electro mechanical brake system having the same
CN205937598U (en) * 2016-08-29 2017-02-08 杭州南宇派科技有限公司 Drive assembly of parking braking calliper prevents scurrying
CN113039374A (en) * 2018-11-15 2021-06-25 株式会社万都 Brake system having spindle/nut assembly providing soft braking

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014002484A1 (en) * 2014-02-19 2015-08-20 Lucas Automotive Gmbh Motor vehicle brake, in particular combined hydraulically and electromechanically actuated motor vehicle brake, with multi-stage spindle
CN219082128U (en) * 2023-01-13 2023-05-26 武汉元丰汽车零部件有限公司 Electronic parking brake caliper, electronic parking brake and vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102628499A (en) * 2011-02-02 2012-08-08 福特全球技术公司 Ball screw and steering device equipped with the same
CN102991490A (en) * 2011-09-08 2013-03-27 株式会社万都 Electro mechanical brake module and electro mechanical brake system having the same
CN205937598U (en) * 2016-08-29 2017-02-08 杭州南宇派科技有限公司 Drive assembly of parking braking calliper prevents scurrying
CN113039374A (en) * 2018-11-15 2021-06-25 株式会社万都 Brake system having spindle/nut assembly providing soft braking

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