CN109915528A - Protection pipe for motor vehicle damper - Google Patents

Protection pipe for motor vehicle damper Download PDF

Info

Publication number
CN109915528A
CN109915528A CN201811436262.7A CN201811436262A CN109915528A CN 109915528 A CN109915528 A CN 109915528A CN 201811436262 A CN201811436262 A CN 201811436262A CN 109915528 A CN109915528 A CN 109915528A
Authority
CN
China
Prior art keywords
protection pipe
motor vehicle
vehicle damper
described matrix
damper
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
CN201811436262.7A
Other languages
Chinese (zh)
Inventor
F·卡尔
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of CN109915528A publication Critical patent/CN109915528A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/38Covers for protection or appearance
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/43Fittings, brackets or knuckles
    • B60G2204/4308Protecting guards, e.g. for rigid axle damage protection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/40Constructional features of dampers and/or springs
    • B60G2206/41Dampers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

The present invention relates to a kind of protection pipes for motor vehicle damper, the protection pipe (2) for being used for motor vehicle damper (1) includes tube-shaped tube (3), the tube-shaped tube has the first end section (4) and the second end section (5) that is axially opposed with first end section (4) and setting of piston rod protruding side, wherein, protection pipe (2) includes matrix (6) and the fixation kit (7) for being axially fixed to protection pipe (2) on fixing component (8), the fixing component is arranged at the second end section (5) of motor vehicle damper (1).It is a feature of the present invention that matrix (6) is designed so that protection pipe (2) can be radially assemblied on motor vehicle damper (1) in fixing component lateral edge axis to and/or from side.

Description

Protection pipe for motor vehicle damper
Technical field
The present invention relates to the protection pipes for motor vehicle damper of preamble according to claim 1.
Background technique
Such as such protection pipe as known to 2,007 079 911 A1 of WO.The protection pipe surrounds machine along circumferential direction It motor-car damper and prevents motor vehicle damper by external action, such as is hit by stone.Protection pipe includes fixation kit, The fixing component for being for example embodied as so-called fix eyelet of itself and motor vehicle damper forms shape and is cooperatively connected and therefore It is axially fixed at motor vehicle damper.
Structure design based on such protection pipe, the protection pipe only can be assemblied in motor vehicle in piston rod protruding side On damper.However, the assembly method can be pretty troublesome in this case, and therefore same cost is very high, because of protection pipe Being assemblied at damper must be executed immediately after painting as the first step.Equally, the replacement of protection pipe is pretty troublesome, because For damper can must be dismantled completely thus before the impaired protection pipe of replacement, and removes and be mounted in piston rod protruding side Which increase the time of replacement process and therefore all components on motor vehicle damper increase cost.
Summary of the invention
Based on situation described above, the purpose of the present invention is to provide a kind of protection pipe for motor vehicle damper, It can be assemblied at motor vehicle damper afterwards in a manner of simple.
The purpose is realized by the protection pipe of the feature of the characteristic with claim 1.Other advantageous embodiment party Case variant is illustrated in the dependent claims.
According to the first advantageous embodiment variant, matrix is so shaped, that is, it is transversal with substantially long hole shape Face, wherein the longest of fixing component that the length of long hole is greater than motor vehicle damper radially extends.Protection pipe can edge as a result, It is axial to be fixed on motor vehicle on the tube-shaped tube that fixing component side shifts motor vehicle damper onto, and followed by fixation kit At the fixing component of damper.Here, fixing component pass through entire protection pipe and then with the fixation kit shape of protection pipe It is cooperatively connected.
According to another advantageous design scheme, matrix includes the profile that reclines projected radially inward, in installation condition In be radially supported at the tube-shaped tube of damper.Thus the protection pipe being assemblied at motor vehicle damper is effectively inhibited Undesirable radial motion.
It in order to mitigate weight, can be provided according to another advantageous example, matrix include leaving a blank of extending in longitudinal section Portion is limited by the first closed-loop along axial in side, and is limited by the second closed-loop along axial in the other side, wherein the One closed-loop is implemented at the end section towards fixation kit, and the second closed-loop is implemented in the end back to fixation kit At section.Closed-loop assigns the additional stability of protection pipe and equally provides the profile that reclines, and is used to make protection pipe radially It is supported at the tube-shaped tube of motor vehicle damper.
In addition, can advantageously provide for, the second closed-loop of matrix has guide surface, to subtract for axially guiding motor vehicle The piston rod protection pipe of vibration device.At the radially supporting inner wall to piston rod protection pipe of guide surface, piston rod protection is thus prevented Pipe contacts tube-shaped tube and damages the corrosion-inhibiting coating on tube-shaped tube.
If matrix is made of at least two base members, wherein base member can be connected to each other, such as another advantageous As illustrating in embodiment variant, protection pipe radially, i.e. can be assemblied in motor vehicle vibration damping along lateral in a simple manner At device.Motor vehicle damper need not be dismantled when replacing protection pipe at motor vehicle as a result,.At this point, base member can be very simple Ground guides motor vehicle damper into from side, and then shape-ordinatedly and/or force transmitted and/or material mating connect each other It connects.Connection can also be realized according to another advantageous example by locking structure, can directly dispose, shape or be moulded at least one At a base member, or it is embodied as additional individual component.
Another advantageous embodiment variant regulation of protection pipe according to the present invention, base member are thin by least one Film hinge is connected to each other.Because thus protection pipe is opened wide in side and is coupled in the other side by least one film hinge, So the embodiment variant is equally particularly well-suited for protection pipe from side assembly on motor vehicle damper.
Detailed description of the invention
By attached drawing, the present invention is further explained now.
The first illustrative embodiment that Fig. 1 shows the motor vehicle damper with protection pipe according to the present invention becomes The cross sectional view of body;
Fig. 2 shows illustrated according to the first solid of the protection pipe of Fig. 1;
Fig. 3 shows another three-dimensional diagram of the protection pipe according to Fig. 1;
The embodiment that Fig. 4 shows the another exemplary of the motor vehicle damper with protection pipe according to the present invention becomes The cross sectional view of body;
Fig. 5 shows the first three-dimensional diagram of the protection pipe according to Fig. 4;
Fig. 6 shows another three-dimensional diagram of the protection pipe according to Fig. 4;
Fig. 7 shows the three-dimensional diagram of the illustrative embodiment variant of the protection pipe of two-piece type implementation;
Fig. 8 shows the three-dimensional diagram of the embodiment variant of the another exemplary of the protection pipe of two-piece type implementation.
Specific embodiment
Fig. 1 shows the illustrative reality of the motor vehicle damper 1 with protection pipe 2 according to the present invention with cross sectional view Apply bodiment variant.Motor vehicle damper 1 includes tube-shaped tube 3 and the piston rod 24 that may be axially movable, and the piston rod is from tubular The first end section 4 of pipe 3 stretches out.In addition, tube-shaped tube includes the second end section 5, it is opposite with first end section 4 and It sets.Cricoid fixing component 8 is placed at the second end section 5 and is fixedly connected with 3 material mating of tube-shaped tube.Assembly is single Member 25 is placed at piston rod 24, and is connect by fixing element 29 with piston rod 24.Assembly unit 25 includes bearing assembly 26 comprising multiple or at least one bearing.Assembly unit 25 can thus compatibly assemble damper 1 on automobile body, It is not shown in the accompanying drawings.It is fixed with piston rod protection pipe 18 at assembly unit 25, is surrounded along circumferential direction from tube-shaped tube The piston rod 24 of stretching, to prevent piston rod by external action.It is disposed between piston rod 24 and piston rod protection pipe 18 Pressure stop dog component 27 along axial direction and is radially supported at assembly unit 25 with reference to the longitudinal axis A of motor vehicle damper 1 It place and is fixedly connect with assembly unit 25.In addition, it is disposed with pressure backstop lid 28 at the first section 4 of tube-shaped tube 3, Tube-shaped tube 3 is surrounded along circumferential direction and is axially supported at the first section 4 of tube-shaped tube 3.The task of pressure backstop lid 28 It is to absorb the impact energy imported when motor vehicle damper 1 springs into movement from pressure stop dog component 27, and by the impact energy Amount is transmitted on tube-shaped tube 3, without damaging piston rod guide portion 31.
In addition, Fig. 1 shows protection pipe 2, tube-shaped tube 3 is surrounded along circumferential direction, and prevent tube-shaped tube by outside It influences, such as is hit by stone.
Protection pipe 2 includes matrix 6 and fixation kit 7, which subtracts with motor vehicle like that as illustrated in fig. 1 The fixing component 8 of vibration device 1 shape-ordinatedly connects, and therefore protection pipe 2 is axially fixed at tube-shaped tube 3.In Fig. 1 It will be evident that fixation kit is so implemented in the embodiment variant shown, that is, it can axially be assembled in fixing component lateral edge On motor vehicle damper 1.
Fig. 2 and 3 shows the embodiment variant of protection pipe 2 according to the present invention, may be mounted at motor vehicle damper 1 Place, it is as illustrated in fig. 1 such.Show the cross section that protection pipe 2 has substantially long hole shape, wherein long hole length 9 is big 10 are radially extended in the longest of fixing component 8 of motor vehicle damper 1.This particularly obviously shows in Fig. 1.In addition, It includes the profile 11 that reclines that Fig. 1, which all shows protection pipe 2 according to the present invention into Fig. 8, is radially propped up in the state of assembly Support is at tube-shaped tube, to prevent the radial movement for the protection pipe 2 being assemblied at the tube-shaped tube 3 of motor vehicle damper 1.
As Fig. 4, Fig. 5 and it is shown in Fig. 6, protection pipe 2 according to the present invention may include the portion of leaving a blank 12, limit It is axially extended in fixed longitudinal section 23.Portion 12 of leaving a blank is limited by the first closed-loop 13 and the second closed-loop 14 along axial direction, And it is limited by the axially extending ratio of the axially extending and closed-loop of protection pipe 2 13,14.Here, the first closed-loop 13 implement at the first end 15 of the close fixation kit 7 of protection pipe 2, wherein the second closed-loop 14 is implemented in protection pipe 2 At and the second end 16 set axially opposed with fixation kit 7.Guide surface 17 is formed at the second closed-loop 14, is such as schemed It is radially supported at as being illustrated in 4 at the inner wall of piston rod protection pipe 18 and is used as piston rod protection pipe 18 Guide portion.Thus prevent piston rod protection pipe 18 from radially colliding due to the open section in the portion of leaving a blank 12, that is, tube-shaped tube 3 is not The section protected, and etch-proof coating of the injury protection pipe 2 in the section.
Fig. 7 and 8 show protection pipe 2 can also multi-piece type, especially implement in two style.As shown in figures 7 and 8 Like that, the protection pipe that two-piece type is implemented includes the first base member 19 and the second base member 20, they can half hull shape or half Implement tubularly and is connected to each other.
Fig. 7 shows an embodiment variant, and the first base member 19 and the second base member 20 are by locking knot accordingly Structure 21 is connected to each other, wherein and locking structure 21 is shown as two connection rings 30 in the embodiment variant shown in Fig. 7, point It is not joined to and implements in the notch at each base member 19,20 in end side respectively, and therefore by two and half tubular bases Body component 19,20 connects into entire protection pipe 2.
Fig. 8 shows another embodiment variant comprising film hinge 22.Film hinge is that the ratio of protection pipe 2 is protected The section that the rest part of pipe 2 more unfertile land is implemented, the section extend axially through entire protection pipe 2 and by the first matrix structures Part 19 is connected with the second base member 20.Film hinge keeps flexible so that two base members 19,20 can with film The side that is diametrically opposite and setting of hinge 22 is separated from each other, to be assembled in the side of tube-shaped tube 3.In addition, according to this hair Bright protection pipe 2 includes the locking structure 21 for being embodied as clamping lock connection according to the embodiment variant shown in Fig. 8, is designed to Two base members 19,20 are made shape-ordinatedly to be connected to each other.In addition to matching for the shape explained above of base member 19,20 It closes except the connection scheme variant with power transmission, provides according to the present invention, two base members 19,20 equally can be borrowed to material mating Help adhesives or thermal connection.
Reference signs list
1 motor vehicle damper
2 protection pipes
3 tube-shaped tubes
4 first sections
5 second sections
6 matrixes
7 fixation kits
8 fixing components
9 long hole lengths
10 fixing components radially extend
11 recline profile
12 leave a blank portion
13 first closed-loops
14 second closed-loops
15 first ends
16 the second ends
17 guide surfaces
18 piston rod protection pipes
19 first base members
20 second base members
21 locking structures
22 film hinges
23 longitudinal sections
24 piston rods
25 assembly units
26 bearing assemblies
27 pressure stop dog components
28 pressure backstop lids
29 fixing elements
30 fixed rings
31 piston rod guide portions
A longitudinal axis

Claims (9)

1. one kind is used for the protection pipe (2) of motor vehicle damper (1), which includes tube-shaped tube (3), which, which has, lives The first end section (4) of stopper rod protruding side and the second end area that is axially opposed with the first end section (4) and setting Section (5), wherein the protection pipe (2) includes matrix (6) and is used to for the protection pipe (2) to be axially fixed to fixed structure Fixation kit (7) on part (8), the fixing component are arranged at the second end section (5) of the motor vehicle damper (1), It is characterized in that, described matrix (6) is designed so that the protection pipe (2) can be axial in fixing component one lateral edge and/or from side Face is radially assemblied on the motor vehicle damper (1).
2. the protection pipe (2) according to claim 1 for motor vehicle damper (1), which is characterized in that described matrix (6) there is the cross section of substantially long hole shape, wherein long hole length (9) is greater than the fixing component of the motor vehicle damper (1) (8) longest radial extent (10).
3. being used for the protection pipe (2) of motor vehicle damper (1) according at least one of the claims, feature exists In described matrix (6) includes the profile that reclines (11) that at least one is projected radially inward, this reclines profile in installment state It is radially supported at the tube-shaped tube (3) of the motor vehicle damper (1).
4. being used for the protection pipe (2) of motor vehicle damper (1) according at least one of the claims, feature exists In described matrix (6) includes the portion of leaving a blank (12) extended on a longitudinal section (23), and the portion of leaving a blank is in side by the first closing Ring (13) is limited by the second closed-loop (14) along axial along axial restriction, and in the other side, wherein first closed-loop (13) construction is at the first end (15) towards the fixation kit (7), and second closed-loop (14) construction is being carried on the back At the second end (16) of the fixation kit (7).
5. being used for the protection pipe (2) of motor vehicle damper (1) according at least one of the claims, feature exists In the second closed-loop (14) of described matrix (6) has guide surface (17), and the guide surface is for axially guiding the motor vehicle The piston rod protection pipe (18) of damper (1).
6. being used for the protection pipe (2) of motor vehicle damper (1) according at least one of the claims, feature exists In described matrix (6) is by least two base members (19;20) it constitutes, wherein described matrix component (19;20) can connect each other It connects.
7. being used for the protection pipe (2) of motor vehicle damper (1) according at least one of the claims, feature exists In described matrix (6) includes at least one locking structure (21), which is suitable for making described matrix component (19;20) Shape-ordinatedly and/or power transmission is ordinatedly connected to each other.
8. being used for the protection pipe (2) of motor vehicle damper (1) according at least one of the claims, feature exists In described matrix component (19;20) it is connected to each other by least one film hinge (22).
9. one kind has the motor vehicle damper (1) of protection pipe (2), which is characterized in that the protection pipe (2) is according to above-mentioned power Benefit at least one of requires to implement.
CN201811436262.7A 2017-11-30 2018-11-28 Protection pipe for motor vehicle damper Pending CN109915528A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017221591.7A DE102017221591A1 (en) 2017-11-30 2017-11-30 Protective tube for a vehicle vibration damper
DE102017221591.7 2017-11-30

Publications (1)

Publication Number Publication Date
CN109915528A true CN109915528A (en) 2019-06-21

Family

ID=64457590

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811436262.7A Pending CN109915528A (en) 2017-11-30 2018-11-28 Protection pipe for motor vehicle damper

Country Status (2)

Country Link
CN (1) CN109915528A (en)
DE (1) DE102017221591A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11940033B2 (en) * 2021-10-22 2024-03-26 DRiV Automotive Inc. Two piece plastic dirt shield for shock absorbers

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE938352C (en) * 1954-01-12 1956-01-26 Hemscheidt Maschf Hermann Telescopic shock absorber with this surrounding, designed as a coil spring main and auxiliary suspension for vehicles
US3022060A (en) * 1957-11-06 1962-02-20 Fred E Cook Shock absorber for road graders
DE1866528U (en) * 1962-11-30 1963-01-31 Hemscheidt Maschf Hermann HYDRAULIC TELESCOPIC VIBRATION DAMPER.
US3181852A (en) * 1963-03-08 1965-05-04 Superior Industries Shock absorber spring unit
US4138132A (en) * 1977-04-20 1979-02-06 Doyle Keith H Protective covers for motorcycle lower fork cases and method of making same
JPH05106675A (en) * 1991-10-18 1993-04-27 Tokico Ltd Cylinder device
DE10244379A1 (en) * 2002-09-25 2004-04-01 Suspa Holding Gmbh Telescopic shock-absorbing leg for vehicles comprises two tubes sliding telescopically inside each other, a damping device, and a helical pressure spring arranged in the tubes
DE102005008045B3 (en) * 2005-02-23 2006-06-08 Zf Friedrichshafen Ag Piston cylinder unit e.g. vibration damper, has protection tube with base in which passage opening is conducted and twisted in its axial end position for connection unit e.g. ring bearing, where tube and base are formed from single piece
DE102006001305B3 (en) * 2006-01-09 2007-04-05 Zf Friedrichshafen Ag Vibration damper for vehicle, has retaining tongue which represents a separate construction unit and locking means which comes in locking connection with tubing part
US7637520B2 (en) * 2007-02-01 2009-12-29 Kuryakyn Holdings, Inc. Motorcycle lower fork tube cover
DE102014205501B4 (en) * 2014-03-25 2018-12-13 Saf-Holland Gmbh Protective device for a shock absorber

Also Published As

Publication number Publication date
DE102017221591A1 (en) 2018-12-20

Similar Documents

Publication Publication Date Title
EP3156686B1 (en) Hydraulic mount, in particular for the suspension of a motor vehicle engine
KR102621534B1 (en) Frequency-tuned dampers and methods used for manufacturing the dampers
US7267740B2 (en) Vibration-damping device for vehicles and method of manufacturing the same
DE102008006782B3 (en) Vibration absorber for e.g. drive shaft of motor vehicle, has outer part with segments designed with connection units for manufacturing locking connection, and inner part with projection for fixing of segments in direction of shaft
US9512893B2 (en) Tubular vibration-damping device
EP3260731B1 (en) Hydraulic damper with a piston rod protective tube
CN104074908B (en) Vibration absorber
DE102018102745B4 (en) Bearing system for the elastic mounting of a shock absorber or a vibration damper as well as a shock absorber or a vibration damper
CN108223643A (en) Tubular damper device
KR102474517B1 (en) Mount assembly for vehicle
CN109915528A (en) Protection pipe for motor vehicle damper
WO2006105812A1 (en) Piston cylinder group
DE112015000686T5 (en) shock absorber
EP3631237B1 (en) Partition member for separating a working chamber and a compensation chamber in a hydraulic mounting and a hydraulic mounting
US6688588B2 (en) Rubber bearing with graduated damping behavior
EP3032136B1 (en) Hydraulic bearing
DE102009057165A1 (en) Cartridge stop for vibration damper, is provided with housing, bush arranged in housing along axis, where return spring is disposed in housing
KR102371045B1 (en) Variable dynamic characteristics type engine mount
US10309480B2 (en) Hydraulic damper for a mount assembly
EP2195179B1 (en) Flexible bearing
CA2011434C (en) Automotive powertrain mount
DE102013217587B4 (en) Strut mount, strut and motor vehicle
US10746251B2 (en) Load damping assembly with gapping feature
DE102018207372A1 (en) Adapter piece for non-positive connection of a damper tube and an air spring piston, air spring damper system and method for producing an air spring damper system
US10378866B2 (en) Projectiles

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190621

WD01 Invention patent application deemed withdrawn after publication