CH236279A - Device for adjusting the effective spring length in torsion springs. - Google Patents

Device for adjusting the effective spring length in torsion springs.

Info

Publication number
CH236279A
CH236279A CH236279DA CH236279A CH 236279 A CH236279 A CH 236279A CH 236279D A CH236279D A CH 236279DA CH 236279 A CH236279 A CH 236279A
Authority
CH
Switzerland
Prior art keywords
spring
torsion springs
spring length
adjusting
effective spring
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Peravia
Original Assignee
Ag Peravia
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 Ag Peravia filed Critical Ag Peravia
Publication of CH236279A publication Critical patent/CH236279A/en

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
    • F16F1/00Springs
    • F16F1/02Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04Wound springs
    • F16F1/12Attachments or mountings
    • F16F1/125Attachments or mountings where the end coils of the spring engage an axial insert

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)

Description

  

  Vorrichtung für die Versteilung der wirksamen Federlänge bei Drehungsfedern.    Im Apparatebau werden öfters Drehungs  federn als Kraftspeicher und zur Erzeugung  von Gegenkräften verwendet. In vielen Fäl  len hat die Weg-Kraft-Kennlinie einer sol  chen Feder eine .ganz bestimmte Steilheit  aufzuweisen.  



  Die vorliegende Erfindung betrifft eine  Einrichtung für die Regulierung der wirk  samen Federlänge einer     Drehungsfeder,    in  dem die Feder mehr oder weniger tief in       einen    Gewindegang     eingeschraubt    werden       kann.        Eine    solche Einrichtung kann     beispiels-          weise    in einem     Beschleunigungsmesser    an  gewandt werden. Die     beiliegende    Zeichnung  zeigt Ausführungsformen des Erfindungs  gegenstandes.  



  In Fig. 7. ist A .ein zylindrischer Körper,  in dessen Oberfläche ein     Gewindegang    B ein  geschnitten ist. Der innere     Durchmesser    C  und die Steigring des Gewindeganges: B stim  men mit dem innern Durchmesser D bezw.  der Steigung der Drehungsfeder E überein.  



  Um das eine Ende der Feder zu fixieren.  schraubt man dasselbe in den Gewindegang B    des Zylinders A. -Je     tiefer    die Feder in den  Zylinder geschraubt wird, um so     kürzer    wird  die freie     Federlänge,        und    dementsprechend  ändert die Weg-Kraft-Kennlinie. Nach dem  Einstellen der Federlänge kann die Feder       beispielsweise        durch        eine    Schraube F gegen       unerwünschtes    Verdrehen gesichert werden.  



  Das zweite Federende kann in bekannter       Weise        befestigt    werden.  



  Bei der oben beschriebenen Ausführungs  form ist die wirksame Federlänge, ob auf  Zug oder auf Druck beansprucht, gleich     ,gross-.     Die Steilheit der Weg-Kraft-Kennlinie ändert  also nicht, ob die Feder auf Zug oder Druck  beansprucht wird.  



  In der     Ausführungsform    nach     Fig.    2,     die     in     F'ig.    $ im Schnitt nach der Linie     I-I        -dar-          gestellt        .ist,    ist über dem     Zylinder    A eine  Hülse G angebracht, die am obern Randeine       radial    nach     innen    ragende Gegenauflage H  trägt, welche auf     der    Feder     aufliegt,    sobald       dieselhe    auf Zug beansprucht wird.

   Durch       das    Verschieben der Hülse G gegenüber -dem  Zylinder A kann die wirksame Federlänge,      bei Beanspruchung auf Zug, in gewissen  Grenzen     bändert    werden. Dadurch wird er  reicht, dass die Steilheit der Weg-Kraft-Kenn  linie :einer Drehungsfeder für Zug, bei gleich  bleibender Steilheit für Druck, verschiedene  Grössen hat. Nach dem Einstellen     kann    die  Gegenauflage H,     respektive    der Zylinder G,       beispielsweise    mit einer Schraube .7 in ihrer  Lage     gesichert    werden.



  Device for increasing the effective spring length in torsion springs. In apparatus engineering, torsion springs are often used as energy stores and for generating counterforces. In many cases, the displacement-force characteristic of such a spring has a very specific steepness.



  The present invention relates to a device for regulating the effective seed length of a torsion spring, in which the spring can be screwed more or less deeply into a thread. Such a device can be used, for example, in an accelerometer. The accompanying drawing shows embodiments of the subject invention.



  In FIG. 7, A is a cylindrical body, in the surface of which a thread B is cut. The inner diameter C and the rising ring of the thread: B agree with the inner diameter D respectively. the pitch of the torsion spring E corresponds.



  To hold one end of the spring in place. if you screw the same into thread B of cylinder A. -The deeper the spring is screwed into the cylinder, the shorter the free spring length, and the displacement-force characteristic changes accordingly. After the spring length has been set, the spring can be secured against undesired rotation by a screw F, for example.



  The second spring end can be attached in a known manner.



  In the embodiment described above, the effective length of the spring, whether in tension or compression, is the same, large. The steepness of the displacement-force characteristic does not change whether the spring is subjected to tension or compression.



  In the embodiment according to FIG. 2, which is shown in FIG. $ is shown in section along the line I-I, a sleeve G is attached above the cylinder A, which carries a radially inwardly protruding counter-support H on the upper edge, which rests on the spring as soon as it is subjected to tension.

   By moving the sleeve G in relation to the cylinder A, the effective length of the spring can be changed within certain limits when subjected to tensile stress. This means that the steepness of the displacement-force characteristic curve: a torsion spring for tension, while the steepness for pressure remains the same, has different sizes. After setting, the counter support H or the cylinder G can be secured in their position with a screw .7, for example.

 

Claims (1)

PATENTANSPRUCH Einrichtung zum Einstellen der wirk samen Federlänge bei Drehungsfedern, da- durch gekennzeichnet, dass die Feder in einen Gewindegang eingeschraubt ist. UNTERANSPRUCH: Einrichtung nach Patentanspruch, da durch gekennzeichnet, dass eine Gegenauflage vorgesehen ist, mittels der die wirksame Federlänge bei. Beanspruchung auf Zug, un abhängig von, derjenigen bei Beanspruchung auf Druck, variiert: werden kann. PATENT CLAIM Device for setting the effective spring length in torsion springs, characterized in that the spring is screwed into a thread. SUBCLAIM: Device according to claim, characterized in that a counter support is provided, by means of which the effective spring length at. Stress on tension, independent of the one under stress on compression, can be varied.
CH236279D 1943-08-11 1943-08-11 Device for adjusting the effective spring length in torsion springs. CH236279A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH236279T 1943-08-11

Publications (1)

Publication Number Publication Date
CH236279A true CH236279A (en) 1945-01-31

Family

ID=4459367

Family Applications (1)

Application Number Title Priority Date Filing Date
CH236279D CH236279A (en) 1943-08-11 1943-08-11 Device for adjusting the effective spring length in torsion springs.

Country Status (1)

Country Link
CH (1) CH236279A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE929761C (en) * 1952-11-27 1955-07-04 Samson Appbau Aktien Ges Diaphragm valve with reversible pressure pulse control
DE967497C (en) * 1953-02-28 1957-11-14 Licentia Gmbh Hydraulic control for steam or gas turbines with two or more servo motors
DE1047628B (en) * 1952-08-08 1958-12-24 Heinrich Lanz Ag Spring-loaded speed controller with adjustable speed
DE2805223A1 (en) * 1977-02-08 1978-08-10 Snecma DEVICE FOR THE LINEAR CONVERSION OF A STRAIGHT MOTION INTO A FORCE AND REVERSE
DE2924135A1 (en) * 1978-06-28 1980-01-03 Mo Mash Z Im Kalinina HYDRAULIC AXIAL PISTON MACHINE
FR2435363A1 (en) * 1978-09-06 1980-04-04 Houdaille Lelaurain Sa Adjustable suspension element for vehicle - incorporates clamping ring adjustable on upper part of coil string
DE2942135A1 (en) * 1979-10-18 1981-04-30 Volkswagenwerk Ag, 3180 Wolfsburg UNDERLAY OF ELASTIC MATERIAL FOR COIL SPRINGS OF A MOTOR VEHICLE SUSPENSION
DE3421560A1 (en) * 1984-06-09 1985-12-12 Robert Bosch Gmbh, 7000 Stuttgart DEVICE FOR ADJUSTING THE SPRING CHARACTERISTICS OF A COIL SPRING

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047628B (en) * 1952-08-08 1958-12-24 Heinrich Lanz Ag Spring-loaded speed controller with adjustable speed
DE929761C (en) * 1952-11-27 1955-07-04 Samson Appbau Aktien Ges Diaphragm valve with reversible pressure pulse control
DE967497C (en) * 1953-02-28 1957-11-14 Licentia Gmbh Hydraulic control for steam or gas turbines with two or more servo motors
DE2805223A1 (en) * 1977-02-08 1978-08-10 Snecma DEVICE FOR THE LINEAR CONVERSION OF A STRAIGHT MOTION INTO A FORCE AND REVERSE
DE2924135A1 (en) * 1978-06-28 1980-01-03 Mo Mash Z Im Kalinina HYDRAULIC AXIAL PISTON MACHINE
FR2435363A1 (en) * 1978-09-06 1980-04-04 Houdaille Lelaurain Sa Adjustable suspension element for vehicle - incorporates clamping ring adjustable on upper part of coil string
DE2942135A1 (en) * 1979-10-18 1981-04-30 Volkswagenwerk Ag, 3180 Wolfsburg UNDERLAY OF ELASTIC MATERIAL FOR COIL SPRINGS OF A MOTOR VEHICLE SUSPENSION
US4475725A (en) * 1979-10-18 1984-10-09 Volkswagenwerk Ag Elastic support for helical springs
DE3421560A1 (en) * 1984-06-09 1985-12-12 Robert Bosch Gmbh, 7000 Stuttgart DEVICE FOR ADJUSTING THE SPRING CHARACTERISTICS OF A COIL SPRING
FR2565647A1 (en) * 1984-06-09 1985-12-13 Bosch Gmbh Robert DEVICE FOR ADJUSTING THE ELASTICITY CHARACTERISTIC OF A HELICOIDAL SPRING

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