EP2283973B1 - Clé réglable avec fonction à cliquet - Google Patents

Clé réglable avec fonction à cliquet Download PDF

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Publication number
EP2283973B1
EP2283973B1 EP09167666A EP09167666A EP2283973B1 EP 2283973 B1 EP2283973 B1 EP 2283973B1 EP 09167666 A EP09167666 A EP 09167666A EP 09167666 A EP09167666 A EP 09167666A EP 2283973 B1 EP2283973 B1 EP 2283973B1
Authority
EP
European Patent Office
Prior art keywords
screw
pin
disposed
shaft
spring
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.)
Not-in-force
Application number
EP09167666A
Other languages
German (de)
English (en)
Other versions
EP2283973A1 (fr
Inventor
Ping Wen Huang
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.)
New Way Tools Co Ltd
Original Assignee
New Way Tools 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 New Way Tools Co Ltd filed Critical New Way Tools Co Ltd
Priority to AT09167666T priority Critical patent/ATE553886T1/de
Priority to EP09167666A priority patent/EP2283973B1/fr
Priority to ES09167666T priority patent/ES2383074T3/es
Publication of EP2283973A1 publication Critical patent/EP2283973A1/fr
Application granted granted Critical
Publication of EP2283973B1 publication Critical patent/EP2283973B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00Spanners; Wrenches
    • B25B13/10Spanners; Wrenches with adjustable jaws
    • B25B13/12Spanners; Wrenches with adjustable jaws the jaws being slidable
    • B25B13/14Spanners; Wrenches with adjustable jaws the jaws being slidable by rack and pinion, worm or gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00Spanners; Wrenches
    • B25B13/46Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle

Definitions

  • the present invention relates to an adjustable wrench, and more particularly to an adjustable wrench with a ratchet function according to the preamble of claim 1.
  • Such a wrench is known from AU 2008 101107 .
  • the roller is firstly adjusted so that a clamping opening between the fixed jaw and the movable jaw fits the size of a nut followed by performing screw locking (loosening) operation.
  • FIG. 7 which mainly has a handle 96 to be held by an operator.
  • the handle 96 has a fixed jaw 98 on one end, and a movable jaw 92 is disposed on one side of the fixed jaw 98.
  • the movable jaw 92 engages a roller 91 so as to drive the movable jaw 92 to move.
  • the roller 91 is propped by a compression spring 94 so as to provide a resilient force that moves the movable jaw 92 back and forth in a limited space.
  • a curved spring plate 95 is disposed at the middle section of the handle 96.
  • One end of the spring plate 95 is fixed at the handle 96, and the bottom of the other end thereof is provided with a projecting portion 951 connected to a spring lock 93.
  • One end of the spring lock 93 extends to one side of the roller 91 and is formed with a stopper portion 931 to stop the movement of the roller 91, so as to provide a fixed opening between the fixed jaw 98 and the movable jaw 92 for convenience of rotating workpieces. Pressing the spring plate 95 at the middle section of the handle 96 would release the stopper portion 931 of the spring lock 93 on stopping the roller 91, so that the movable jaw 92 can move freely for convenience of rotating the adjustable wrench.
  • both of the above-mentioned spring plate 95 and spring lock 93 are designed as elongated strips and exposed from the surface of the wrench. Hence, it is easy to cause deformation when the spring plate 95 or the spring lock 93 is hit by an external force. Once the spring plate 95 or the spring lock 93 is deformed, this would cause the problem of failure in operation.
  • the spring plate 95 is located on one side face of the handle 96. Therefore, when the wrench needs to be used on its reverse side due to the working environment, this is bound to have the difficulty in pressing the spring plate.
  • the adjustable wrench with a ratchet function comprises:
  • the present invention provides an adjustable wrench with a ratchet function, which is mainly comprised of a fixed jaw 1, a movable jaw 2, a screw 3, a shaft 4, a positioning assembly 5, a pushing assembly 6, and an operating piece 7.
  • the fixed jaw 1 has a receiving recess 11 that is provided thereon with a slideway 12 in communication with the receiving recess 11.
  • a bore 13 is laterally disposed through one side of the receiving recess 11.
  • An opening 14 is radially disposed through the bore 13.
  • a through hole 15 is disposed at a lower position of the fixed jaw 1 with respect to the receiving recess 11.
  • an additional hole 16 is laterally disposed on the side of the fixed jaw 1 different from the side on which the opening 14 is arranged, and the opening 14 and the additional hole 16 respectively communicate with the through hole 15.
  • the movable jaw 2 is disposed in the slideway 12 of the fixed jaw 1 and laterally movable along the slideway 12 so that a clamping opening 21 with a variable spacing is defined between the movable jaw 2 and the fixed jaw 1.
  • a toothed portion 22 is formed at the bottom of the movable jaw 2.
  • the screw 3 is disposed in the receiving recess 11 of the fixed jaw 1 and has an external thread section 31 which engages the toothed portion 22 at the bottom of the movable jaw 2 so that rotation of the screw 3 can cause transverse motion of the movable jaw 2 to adjust the spacing of the clamping opening 21.
  • a first spring 32 is disposed between the screw 3 and the inner wall of the receiving recess 11.
  • the shaft 4 is passed from the bore 13 through the first spring 32 and the screw 3 and connected with the screw 3 by snap fitting of a snap ring 41 to drive the screw 3 so that the screw 3 compresses the first spring 32 and moves transversely.
  • the shaft 4 is recessed at the position corresponding to the opening 14 and formed with a blocking portion 42.
  • the shaft 4 has a contact surface 43 which faces toward the toothed portion 22 of the movable jaw 2 and abuts against a stopper member 44 so as to restrict the rotation of the shaft 4 that is rotated by the screw 3.
  • the positioning assembly 5 is disposed in the opening 14 and includes a second spring 51 and a pin 52.
  • the second spring 51 is disposed at the bottom of the opening 14 to push the end of the pin 52 so that the top of the pin 52 is caught within the blocking portion 42 of the shaft 4 into engagement with each other.
  • An actuating portion 521 protrudes from the end of the pin 52 toward the side of the through hole 15.
  • the pushing assembly 6 is disposed in the additional hole 16 and sequentially includes a pushing member 61, a third spring 6 and a screw cap 63.
  • the third spring 62 pushes the pushing member 61 to extend toward the through hole 15.
  • the operating piece 7 is adapted to mate with the through hole 15 and thus can be disposed in the through hole 15.
  • the axial length of the operating piece 7 is larger than the depth of the through hole 15 so that when the operating piece 7 is received in the through hole 15, the both ends of the operating piece 7 respectively extend out of the through hole 15.
  • the operating piece 7 has a first V-shaped push surface 71 formed at the position corresponding to the actuating portion 521 of the pin 52, and further has a second V-shaped push surface 72 formed at the position corresponding to the pushing member 61.
  • the V-shaped push surfaces 71, 72 respectively have first inclined sections 711, 721 and second inclined sections 712, 722.
  • the actuating portion 521 and the pushing member 61 respectively abut against the central turning positions of the first inclined sections 711, 721 and the second inclined sections 712, 722 of the V-shaped push surfaces 71, 72.
  • the actuating portion 521 of the pin 52 or the pushing member 61 can be pushed and moved by one of the inclined sections of the corresponding V-shaped push surface 71, 72, so that the top of the pin 52 disengages from the blocking portion 42 of the shaft 4 to release the engagement with the shaft 4.
  • the user When the user desires to screw tight a polygonal screw piece 8, as shown in FIG. 4 , the user firstly turns the screw 3 to adjust the spacing of the clamping opening 21, so as to clamp the polygonal screw piece 8. At this time, the shaft 4 and the pin 52 mutually engage so that the clamping opening 21 is maintained at a fixed spacing, thereby smoothly screwing tight the polygonal screw piece 8.
  • the pushing member 61 of the pushing assembly 6 abuts against the second V-shaped push surface 72 on the other side of the operating piece 7.
  • the first inclined section 721 of the second V-shaped push surface 72 of the operating piece 7 pushes the pushing member 61 to compress the third spring 62.
  • the operating piece 7 can further be pushed on its different side faces by means of the actuating portion 521 of the pin 52 and the pushing member 61, so that the operator can press the operating piece 7 more stably.
  • the movable jaw 2 and the screw 3 interlocked with the shaft 4 are pushed and moved outwardly together, so that the first spring 32 in the receiving recess 11 is compressed by the screw 3 and in a compression state (as shown in FIG. 6 ).
  • the spacing of the clamping opening 21 is slightly increased to achieve the effect of rotating the wrench in the counter direction.
  • the screw 3 would be pushed by the restoring resilient force of the first spring 32 so as to drive the movable jaw 2 to move and decrease the spacing of the clamping opening 21.
  • the pin 52 would be driven by restoring resilient force of the second spring 51 and caught within the blocking portion 42 of the shaft 4 again (as shown in FIG. 4 ).
  • the operating piece 7 is pushed by the actuating portion 521 of the pin 52 driven by the second spring 51 and returns to an unpressed position again.
  • the polygonal screw piece 8 can be screwed tight again. It is possible to perform one-directional continuous screw locking action by continuously repeating the above steps, thereby eliminating the repeating operation, such as moving away, leaning against, etc.
  • the operating piece 7 can be pushed on its different side faces by means of the actuating portion 521 of the pin 52 and the pushing member 61, so that the operating piece 7 can reset in a relatively stable manner.
  • the operating piece and the through hole of the present invention are adapted to mate with each other. As a result, this can further effectively prevent dusts and impurities from entering and clogging the through hole so as to extend the service life.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Claims (6)

  1. Clef réglable avec une fonction de rochet, comprenant une mâchoire fixe (1), une mâchoire mobile (2), une vis (3), un arbre (4), un ensemble de positionnement (5), un ensemble de poussée (6), et une pièce d'actionnement (7), caractérisée en ce que :
    ladite mâchoire fixe (1) comporte une cavité de réception (11) munie sur celle-ci d'un chemin de coulissement (12) en communication avec ladite cavité de réception (11), un perçage (13) disposé latéralement à travers un côté de ladite cavité de réception (11), une ouverture (14) disposée radialement à travers ledit perçage (13), un trou traversant (15) disposé en dessous de ladite cavité de réception (11), un trou additionnel (16) disposé latéralement sur le côté de ladite mâchoire fixe (1) différent du côté sur lequel est située ladite ouverture (14), et ladite ouverture (14) et ledit trou additionnel (16) communiquant respectivement avec ledit trou traversant (15) ;
    ladite mâchoire mobile (2) est disposée dans ledit chemin de coulissement (12) de ladite mâchoire fixe (1) et est mobile latéralement le long dudit chemin de coulissement (12), de telle sorte qu'une ouverture de serrage (21) avec un espacement variable soit définie entre ladite mâchoire mobile (2) et ladite mâchoire fixe (1), et une partie dentée (22) est formée en bas de ladite mâchoire mobile (2) ;
    ladite vis (3) est disposée dans ladite cavité de réception (11) de ladite mâchoire fixe (1) et comporte une section de filetage extérieure (31) qui vient en prise avec la partie dentée (22) en bas de ladite mâchoire mobile (2), et un premier ressort (32) est disposé entre ladite vis (3) et la paroi intérieure de ladite cavité de réception (11) ;
    ledit arbre (4) passe à partir dudit perçage (13) à travers ledit premier ressort (32) et ladite vis (3) de façon à entraîner ladite vis (3) de façon à entraîner ladite vis (3) de telle sorte que ladite vis (3) comprime ledit premier ressort (32) et se déplace transversalement, et ledit arbre (4) est en cavité dans la position correspondant à la ladite ouverture (14) et est formé avec une partie de blocage (42) ;
    ledit ensemble de positionnement (5) est disposé dans ladite ouverture (14) et comprend un deuxième ressort (51) et une broche (52), ledit deuxième ressort (51) étant disposé en bas de ladite ouverture (14) de façon à pousser l'extrémité de ladite broche (52) de telle sorte que le sommet de ladite broche (52) soit saisi à l'intérieur de ladite partie de blocage (42) dudit arbre (4) en prise l'un avec l'autre, et une partie d'actionnement (521) fait saillie à partir de l'extrémité de ladite broche (52) vers le côté dudit trou traversant (15) ;
    ledit ensemble de poussée (6) est disposé dans ledit trou additionnel (16) et comprend en succession un élément de poussée (61), un troisième ressort (62) et un capuchon de vis (63), et ledit troisième ressort (62) pousse ledit élément de poussée (61) de façon à s'étendre vers ledit trou traversant (15) ; et
    ladite pièce d'actionnement (7) est disposée dans ledit trou traversant (15), les deux extrémités de ladite pièce d'actionnement (7) s'étendant respectivement vers l'extérieur dudit trou traversant (15), ladite pièce d'actionnement (7) comportant une première surface de poussée en forme de V (71) formée dans la position correspondant à ladite partie d'actionnement (521) de ladite broche (52) et comportant une deuxième surface de poussée en forme de V (72) formée dans la position correspondant audit élément de poussée (61), ladite partie d'actionnement (521) et ledit élément de poussée (61) butant respectivement contre les positions de rotation centrales desdites surfaces de poussée en forme de V (71, 72), lors de la pression de l'une des extrémités de ladite pièce d'actionnement (7), ladite partie d'actionnement (521) de ladite broche (52) ou dudit élément de poussée (61) étant poussée et déplacée par ladite surface de poussée en forme de V correspondante (71, 72) de telle sorte que le sommet de ladite broche (52) se désengage de ladite partie de blocage (42) dudit arbre (4) de façon à relâcher la prise avec ledit arbre (4).
  2. Clef selon la revendication 1, dans laquelle ledit arbre (4) passe à partir dudit perçage (13) à travers ledit premier ressort (32) et ladite vis (3) et est relié à ladite vis par l'adaptation par encliquetage d'une bague d'encliquetage (41).
  3. Clef selon la revendication 1, dans laquelle ledit arbre (4) comporte une surface de contact (43) qui fait face à ladite partie dentée (22) de ladite mâchoire mobile (2) et qui bute contre un élément d'arrêt (44) de façon à restreindre la rotation dudit arbre (4) que fait tourner ladite vis (3).
  4. Clef selon la revendication 1, dans laquelle ladite pièce d'actionnement (7) s'accouple de façon correspondante avec ledit trou traversant (15).
  5. Clef selon la revendication 1, dans laquelle lesdites surfaces de poussée en forme de V (71, 72) de ladite pièce d'actionnement (7) comportent respectivement des premières sections inclinées (711, 721) et des deuxièmes sections inclinées (712, 722), et ladite partie d'actionnement (521) et ledit élément de poussée (61) butent respectivement contre les positions de rotation centrales desdites premières sections inclinées (711, 721) et desdites deuxièmes sections inclinées (712, 722) desdites surfaces de poussée en forme de V (71, 72).
  6. Clef selon la revendication 5, dans laquelle, lorsque l'une des extrémités de ladite pièce d'actionnement (7) est pressée, ladite partie d'actionnement (521) de ladite broche (52) ou ledit élément de poussée (61) est poussé et déplacé par l'une desdites sections inclinées de ladite surface de poussée en forme de V correspondante (71, 72).
EP09167666A 2009-08-11 2009-08-11 Clé réglable avec fonction à cliquet Not-in-force EP2283973B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT09167666T ATE553886T1 (de) 2009-08-11 2009-08-11 Einstellbarer schraubenschlüssel mit ratschenfunktion
EP09167666A EP2283973B1 (fr) 2009-08-11 2009-08-11 Clé réglable avec fonction à cliquet
ES09167666T ES2383074T3 (es) 2009-08-11 2009-08-11 Llave inglesa ajustable con función de trinquete.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09167666A EP2283973B1 (fr) 2009-08-11 2009-08-11 Clé réglable avec fonction à cliquet

Publications (2)

Publication Number Publication Date
EP2283973A1 EP2283973A1 (fr) 2011-02-16
EP2283973B1 true EP2283973B1 (fr) 2012-04-18

Family

ID=41395568

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09167666A Not-in-force EP2283973B1 (fr) 2009-08-11 2009-08-11 Clé réglable avec fonction à cliquet

Country Status (3)

Country Link
EP (1) EP2283973B1 (fr)
AT (1) ATE553886T1 (fr)
ES (1) ES2383074T3 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022689A (en) * 1960-06-30 1962-02-27 Houston O Bender Worm-locking means for a slidable side jaw wrench
DE102008004452B3 (de) * 2008-01-15 2009-07-09 Ping Wen Huang Verstellbarer Schraubenschlüssel
AU2008101107A4 (en) * 2008-11-13 2008-12-11 Ping Wen Huang Swing wrench

Also Published As

Publication number Publication date
ATE553886T1 (de) 2012-05-15
EP2283973A1 (fr) 2011-02-16
ES2383074T3 (es) 2012-06-18

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