CN113007346A - Connecting assembly and actuator with the same - Google Patents

Connecting assembly and actuator with the same Download PDF

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Publication number
CN113007346A
CN113007346A CN202011510296.3A CN202011510296A CN113007346A CN 113007346 A CN113007346 A CN 113007346A CN 202011510296 A CN202011510296 A CN 202011510296A CN 113007346 A CN113007346 A CN 113007346A
Authority
CN
China
Prior art keywords
stud
housing
assembly according
fitting
connecting assembly
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.)
Pending
Application number
CN202011510296.3A
Other languages
Chinese (zh)
Inventor
C·布施
M·黑勒
C·施洛伊瑟
A·希尔特
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.)
Volkswagen Automotive Co ltd
Original Assignee
Volkswagen Automotive 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 Volkswagen Automotive Co ltd filed Critical Volkswagen Automotive Co ltd
Publication of CN113007346A publication Critical patent/CN113007346A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/005—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles by locking of wheel or transmission rotation
    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/34—Locking or disabling mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041—Specially-shaped shafts
    • F16B35/048—Specially-shaped necks
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0241—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread with the possibility for the connection to absorb deformation, e.g. thermal or vibrational
    • 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
    • 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
    • F16F15/08—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 rubber springs ; with springs made of rubber and metal
    • 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
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
    • F16F1/3732—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape having an annular or the like shape, e.g. grommet-type resilient mountings
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/36—Generation or transmission of movements for final actuating mechanisms with at least one movement being transmitted by a cable
    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/34—Locking or disabling mechanisms
    • F16H63/3416—Parking lock mechanisms or brakes in the transmission

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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)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention relates to a connecting assembly and an actuator having the same, in particular to a connecting assembly, in particular for a parking lock actuator or a parking brake actuator, comprising a housing (2,2') having at least one stud (3), wherein the stud (3) is decoupled from the housing (2,2') in a vibration-damping manner. The stud (3) has a stud shaft (32) with a form-fitting section (33), and the form-fitting section (33) engages in a form-fitting manner in a form-fitting receptacle (41) of the torque support (4).

Description

Connecting assembly and actuator with the same
Background
EP 3055157B 1 discloses a selector lever housing with a stud (stepbolzen) which projects through an abutment element and serves to fix the selector lever housing in a motor vehicle. The stud is fixed directly in the housing, for which transmission of interfering noise between the housing and the interior can occur.
From WO 2018/095673 a1 a parking lock actuator for unlocking a parking lock (parkperre) of an automatic transmission is known, which is fixed via a damping element in order to acoustically attenuate noise. The park lock actuator operates one end of a park lock cable. The other end of the cable is connected to a parking lock mechanism in the transmission and thus can actuate a parking lock in the transmission. The parking lock actuator is arranged in the passenger space remote from the transmission, in particular in the vicinity of the shift lever or the intermediate passage. When the parking lock actuator is actuated or the parking lock is actuated, noise that acts as a disturbance is generated due to the transmission of vibrations from the parking lock actuator to the vehicle body. Since such parking lock actuators are typically arranged near the driver or passenger, the noise may be perceived as abnormal and disturbing.
Disclosure of Invention
The aim of the invention is to eliminate the acoustic problems of the parking lock actuator and to make it possible to install the parking lock actuator in a simple manner.
According to the invention, a connecting assembly, in particular for a parking lock actuator or a parking brake actuator (sometimes referred to as a handbrake actuator), is provided, which comprises a housing with at least one stud. The stud is vibrationally decoupled from the housing. According to the invention, the stud has a stud shaft with a form-fitting section, and the form-fitting section engages in a form-fitting manner in the form-fitting receptacle of the torque support. The stud is thereby connected in a rotationally fixed manner to the torque support and does not have to be additionally held during the screwing-on of the nut.
Advantageously, the connecting assembly comprises at least two studs and the torque support has at least two form-fitting receptacles and extends at least between and/or connects the two studs. The studs are thus supported on one another and no further supporting elements are required in the housing.
The stud advantageously has a form-fitting section which has a non-completely circular cross-sectional shape. It may be two opposed parallel faces and a circular face joining the faces. Other possible cross-sectional shapes are possible, for example the form-fitting section may be shaped as a rectangle, a triangle, a hexagon, an octagon or a polygon or an ellipse. The torque support has a form-fitting receptacle which is identically shaped in accordance with the form-fitting section of the stud. All the illustrated cross-sectional shapes are suitable here for preventing rotation of the stud.
In a first embodiment, the form-fitting section of the stud shaft is arranged directly on the stud head and the torque support bears against the stud head.
In a further embodiment, the form-fitting section of the stud shaft adjoins the threaded section of the stud head.
The stud is at least partially surrounded by a spring element at least in sections thereof. The elastic element is in particular made of rubber or elastomer. The stud bolt, which is then fixedly connected to the vehicle, in particular to a part of its body, is thus separated from it in a vibration-damping manner.
The stud shaft may have a stop section. A locking washer can then be fastened to the locking section, in particular it can be axially seated against the spring element and/or the housing support stud. The torque support can be fixed at the stud shaft, in particular it can bear axially against the elastic element and/or the housing supporting the stud. The stud bolt is thereby axially locked in the housing.
The connecting assembly can advantageously be used in parking lock actuators or parking brake actuators for transmissions, in particular for vehicles. They can be fixed in particular at a part of the bodywork of the vehicle.
Furthermore, the invention relates to a method for producing a connecting assembly. In one embodiment, the at least one stud and the housing can be arranged in a mold and the stud shaft of the stud can be overmolded at least partially with a vibration-damping substance.
Drawings
Fig. 1 to 5 show a first embodiment, and fig. 6 to 8 show a second embodiment.
Detailed Description
The parking lock actuator 1 has a two-part housing 2,2' and is connected to a parking lock in the transmission by means of a cable. The transmission may be an automatic or automated transmission with one or more stages, for example, a single-stage transmission for an electric vehicle. The parking lock actuator is suitable for shift-by-wire or parking-by-wire shifting devices. The parking lock actuator may be arranged in or near the passenger space of the vehicle, advantageously in the region where the gear shift lever or gear change lever is typically located, for example in the aisle of the vehicle body in the region of the central passage 8, or above/below this passage 8. However, it may also be a parking brake actuator, wherein the cable is then correspondingly connected to the parking brake. The housing 2,2' has a stud 3 with a stud head 31 and a stud shaft 32. The stud bolt 3 projects beyond the surface of the housing 2 and, when the parking lock actuator is installed, is inserted from one side into an opening of the vehicle body part, in particular of the central channel 8, and is then provided with a nut 7 from the other side and is thus fixed on the vehicle body part. The stud 3 may be arranged in the upper part 2 or the lower part 2' of the housing. In order that the stud 3 does not rotate when the nut 7 is tightened, said stud is provided with a torque support 4 according to the invention.
In the first embodiment, the section of the stud shaft which is arranged directly adjacent to the stud head 31 is shaped as a form-fitting section 33, i.e. it has a non-completely circular cross-sectional shape. In addition to the cross section of the form-fitting section 33 with two oppositely situated parallel faces and a circular face connecting the faces, which is known from the figures, other possible cross-sectional shapes are possible, for example the form-fitting section 33 can be shaped rectangular, triangular, hexagonal, octagonal or polygonal or oval.
The torque support 4 has a form-fitting receptacle 41, which is identically shaped in accordance with the form-fitting section 33 of the stud. All the illustrated cross-sectional shapes are suitable here for preventing rotation of the stud.
The torque support 4 has two form-fitting receptacles 41, one at each end and connecting two adjacent studs 3. The studs 3 are thereby supported against rotation relative to one another via the torque support 4. Additional components are not necessary. Simple automated assembly is also possible in this way. The torque support 4 may be made of a plate and may also be shaped such that it does not directly connect the stud in the shortest path but indirectly, in particular the torque support 4 bypasses certain parts of the parking lock actuator. The torque support 4 may also be elastic or flexible in direction, so that certain tolerances in the position of the stud in the housing 2 can be compensated without the torque support function being abandoned.
The stud 3 or the stud shaft 32 is supported in the housing 2 in a vibration-decoupled manner via the elastic element 5. The element 5 may be pre-formed or vulcanized (sometimes referred to as hardened) into the housing from rubber, an elastomer or another vibration-damping substance. In a further advantageous variant, the spring element is formed after the stud has been inserted into the housing, for example by overmolding with an elastomer (Umspritzen). The stud 3 and the housing 2,2 'are here placed in a mould, which may also be sealed accordingly, in order to determine the final shape of the elastic element 5, and then a vibration-damping substance (advantageously an elastomer) is injected and/or applied into the intermediate space between the stud 3 and the housing 2, 2'. Advantageously, this substance is the same that forms the sealing lip 52 at the surface of the housing, so that the manufacture of the seal and the elastic element can be carried out in one step or in one mould. For simpler production, the sealing lip 52 can be connected to the spring element 5 by means of the connecting section 51 by means of injection molding.
In the first embodiment according to fig. 1 to 5, the spring element 5 is inserted into the housing during assembly, and the torque support 4 is then pushed onto the two studs 3, so that the form-fitting section 33 acts through the form-fitting receptacle 41. The stud bolt 3 is then inserted into the spring element 5 from below. The spring element 5 can also be pushed up first at the stud 4 and then inserted into the housing together with it. Alternatively, the torque support can be placed on an element inserted in the housing and then the stud can be inserted. The form-fitting section 33 can also extend behind the section of the stud which is connected to the elastic element 5. The inner cross section of the element 5 is then also shaped corresponding to the cross section of the form-fitting section 33. The outer cross section of the spring element 5 can then also correspond to this cross section, which in turn corresponds to a correspondingly shaped cross section of the receiving opening in the housing 2. Additional torque support and/or directional assembly can occur as desired.
In order that the stud 3 cannot slide down, the stop washer 6 is inserted onto the stud shank 32 from above and is fixed at the stop section 34 of the stud shank. The fixing of the spacers can be carried out after the plugging-in, for example by press-fitting or by caulking (Verstemmung). In fig. 4, four caulking recesses are visible from above. The stud 3 is thereby axially locked with respect to the spring element 5 from one side by means of the stud head 31 and from the other side by means of the locking washer 6. The entire stud bolt 3, including the locking washer 6 and the torque support 4 fixedly connected thereto, is thus separated from the housing 2 in a vibration-damping manner.
In the second embodiment shown in fig. 6 to 8, the torque support 4 is inserted onto the stud shaft 32 from above after the stud 3 has been inserted through the housing 2. The connection between the positive-locking section 33 and the positive-locking receptacle 41 can be embodied as a press fit or the torque support can be otherwise at least axially locked or fixed at the stud shaft. The stud bolt is thereby axially stopped from one side by the stud head and from the other side by the torque support 4.
The elastic element 5 may already be inserted into the housing 2 or onto the stud 3 beforehand or may be injected as described above. The mounting of the torque support 4 can be carried out after the overmolding. It is also possible to push the torque support 4 onto the stud and fix it before the injection of the elastomer, so that the correspondingly deformed torque support 4 limits/determines the final shape of the elastic element at the time of injection.
Contact between the stop washer 6 and the housing 2,2 'or between the torque support 4 and the housing 2,2' is generally to be avoided.

Claims (11)

1. A connecting assembly, in particular for a parking lock actuator or a parking brake actuator, comprising a housing (2,2') with at least one stud (3), wherein the stud (3) is decoupled from the housing (2,2') in a vibration-damping manner, characterized in that the stud (3) has a stud shaft (32) with a form-fitting section (33), and in that the form-fitting section (33) engages in a form-fitting manner in a form-fitting receptacle (41) of a torque support (4) in a rotationally fixed manner.
2. A connecting assembly according to claim 1, characterised in that the connecting assembly comprises at least two studs (3) and that the torque support (4) has at least two form-fitting receptacles (41) and extends between and/or connects at least two studs (3).
3. A connecting assembly according to any one of the preceding claims, characterised in that the form-fitting section (33) of the stud shaft (32) is arranged directly at the stud head (31) and the torque support (4) abuts at the stud head (31).
4. A connection assembly according to any one of the preceding claims, characterised in that the form-fitting section (33) of the stud shaft (32) is next to the threaded section of the stud shaft (32).
5. A connection assembly according to any one of the preceding claims, characterised in that the stud (3) is at least partially surrounded, at least in sections, by a resilient element (5), in particular the resilient element (5) is made of rubber or elastomer.
6. A connecting assembly according to any one of the preceding claims, characterised in that the stud shank (32) has a stop section (34), and a stop washer (6) is fixed on the stop section (34), in particular the stop washer (6) is configured to support the stud (3) axially against the resilient element (5) and/or the housing (2, 2').
7. A connecting assembly according to any one of the preceding claims, characterised in that the torque support (4) is fixed at the stud shank (32), in particular the torque support (4) is configured to support the stud (3) axially against the resilient element (5) and/or the housing (2, 2').
8. Parking lock actuator for a transmission, in particular an automatic or automated transmission, with a connecting assembly according to one of the preceding claims.
9. A parking brake actuator with a connection assembly according to any one of the preceding claims.
10. A method for manufacturing a connection assembly according to any of the preceding claims.
11. A method for manufacturing a connection assembly according to any one of the preceding claims, characterised in that at least one stud (3) and the housing (2,2') are arranged into a mould and the stud shank (32) of the stud is overmolded at least partly by a vibration-damping substance.
CN202011510296.3A 2019-12-18 2020-12-18 Connecting assembly and actuator with the same Pending CN113007346A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102019220065.6 2019-12-18
DE102019220065 2019-12-18
DE102020205760.5A DE102020205760A1 (en) 2019-12-18 2020-05-07 Connection arrangement and actuator with this connection
DE102020205760.5 2020-05-07

Publications (1)

Publication Number Publication Date
CN113007346A true CN113007346A (en) 2021-06-22

Family

ID=76205848

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011510296.3A Pending CN113007346A (en) 2019-12-18 2020-12-18 Connecting assembly and actuator with the same

Country Status (2)

Country Link
CN (1) CN113007346A (en)
DE (1) DE102020205760A1 (en)

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GB2124731A (en) * 1982-06-22 1984-02-22 Gordon Lloyd Pumphrey Inflatable anti-vibration mounting
US5462395A (en) * 1993-03-27 1995-10-31 Kamax-Werke Rudolf Kellerman Gmbh & Co. Kg Sound decoupling connecting element
GB2345326A (en) * 1998-12-28 2000-07-05 Illinois Tool Works Plate and nut or bolt assembly
US6471179B1 (en) * 2000-04-28 2002-10-29 Freudenberg-Nok General Partnership Isolation mount
CN1934369A (en) * 2004-03-24 2007-03-21 Trw汽车股份有限公司 Rubber bearing, especially for a motor pump unit of a power steering system
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EP2305526A1 (en) * 2009-10-02 2011-04-06 Kurt Stähle Actuating device
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