DE202011000651U1 - Wrench with adjustable torsional force - Google Patents

Abstract

A wrench with adjustable torsional force, comprising: - a hollow-shaped handle (10), a receiving space (11) being provided inside the handle (10); - A drive head (20), a lever part (22) extending from one side of the drive head (20), the lever part (22) being guided into the receiving space (11) and a pin (30) passing through the lever part (22 ) and the handle (10) is guided so that the lever part (22) is pivotably connected to the handle (10) and the lever part (22) is pivotable to a small extent in the receiving space (11); - A compression component (40) which is received in the receiving space (11) and comprises a spring element (41) and a pressure piece (42), one end of the spring element (41) being pressed against the pressure piece (42), the pressure piece (42) is pressed against the distal end of the lever part (22) so that the spring element (41) is pressed resiliently against the drive head (20); - one...

Description

Technical area

The present field relates to a wrench with adjustable torsional force, in particular a wrench, wherein the set torsional force value is shown electronically or by means of traditional graduation.

State of the art

Out US7703357 For example, an adjustable torsion force wrench is known comprising a drive member, a moment arm, a torsional force adjustment lever, a rotatable handle, and a set torsion force indicator pointer. The wrench is characterized in that a hollow bush is fixed to the distal end of the moment arm, the bush has a number of inner peripheral teeth, the rotatable grip has a number of outer peripheral teeth, the inner peripheral teeth are meshed with the outer peripheral teeth in the normal state by means of a spring member to adjust the torsional force. But with such a wrench, the set torsional force value is exhibited by the interaction of a dial plate with a pointer, since the dial plate is relatively small, it is difficult to read the set value, and it is also easy to make a mistake in reading.

Out US7685889 Another wrench with adjustable torsional force is known. The wrench comprises a drive part, a body part and a handle part. An electronic device is accommodated in the body part, wherein at least two circuit units in the inner layer of the electronic device are placed one on top of the other. Although the set torsional force value can be accurately shown with such a wrench, the function for displaying the set torsional force value fails when the electrical energy is exhausted, since such a wrench has only an electronic display.

Content of the invention

The present invention has for its object to provide a wrench with adjustable torsional force, wherein a set Torsionskraftwert is shown both electronically and in the form of traditional graduation.

The object is achieved by an adjustable torsion force wrench comprising a drive head, a handle, a compression member, an adjustment member, a reference member, a display member and a dial plate. The drive head is pivotally connected to the handle by a lever member. The compression component comprises a spring element and a pressure piece. One end of the spring element is resiliently pressed against the pressure piece, the pressure piece is resiliently pressed against the lever part, the length of the spring element is adjusted by the setting component, so that the Torsionskraftwert the wrench can be specified. The reference component comprises a first reference element, a second reference element and a second plunger piece, wherein the first reference element is pushed by the adjusting member. The display member includes a display device, a calculation operator, and a position motion sensor, wherein the positional displacement of the first reference element from the position motion sensor under the interaction is detected and an induction signal is generated, the induction signal is converted to a torsional force value by the arithmetic operator, and the torsional force value is displayed by the display device is. At the same time, the second reference element of the adjusting member with the change in the length of the spring element in synchronization in the axial direction is pushed so that the set Torsionskraftwert is shown in cooperation of the second reference element with the dial.

Brief description of the drawings

1 shows a wrench with adjustable torsional force according to the present invention in an exploded perspective view;

2 shows a wrench with adjustable torsional force according to the present invention in the assembled state shown schematically, the handle and the outer sleeve are cut;

3 shows a wrench with adjustable torsional force according to the present invention shown in a perspective view;

4 shows an adjustable torsion force wrench according to the present invention shown assembled, showing the positional relationship between the position motion sensor and the first reference element and the positional relationship between the dial plate and the second reference element;

5 shows a wrench with adjustable torsional force according to the present invention in side view shown schematically;

6 shows some of the components 5 shown schematically;

7 shows a wrench according to the invention with adjustable torsional force after the operation in side view schematically shown;

8th shows a reference component after 7 shown schematically;

9 shows some components according to the present invention shown on an enlarged scale in a perspective view;

10 shows a second embodiment of the present invention shown in exploded perspective view;

11 shows the second embodiment according to the present invention in the assembled state shown schematically;

12 shows the second embodiment of the present invention shown schematically in side view;

13 shows some components according to a third embodiment shown in exploded view;

14 shows some components according to the third embodiment shown in the assembled state;

15 shows the third embodiment of the present invention in side view schematically shown, and

16 shows some components according to a fourth embodiment of the present invention shown in a perspective view.

embodiments

• – einen hohlförmigen Griff 10, wobei ein Aufnahmeraum 11 im Inneren des Griffes 10 vorgesehen ist, vier einander naheliegende erste Aufnahmeöffnungen 13 und eine zweite Aufnahmeöffnung 15, ein in Querrichtung durchgehendes erstes Loch 12, eine langstreifenförmige Führungsnut 16 und mindestens zwei Befestigungslöcher 14 an dem Außenumfang des Griffes 10 angeordnet sind, wobei das erste Loch 12, die ersten Aufnahmeöffnungen 13, die zweite Aufnahmeöffnung 15 und die Führungsnut 16 jeweils mit dem Aufnahmeraum 11 verbunden sind, wobei sich die ersten Aufnahmeöffnungen 13 zwischen den beiden Befestigungslöchern 14 befinden und wobei die Führungsnut 16 und die zweite Aufnahmeöffnung 15 am Umfang in von einander abgewandten Seiten angeordnet sind;
• – einen Antriebskopf 20, wobei sich ein Hebelteil 22 von einer Seite des Antriebskopfes 20 aus erstreckt, wobei ein Aufsteckverbindungsteil an dem Antriebskopf 20 angeordnet ist und eine Ratschengetriebe in seinem Inneren angeordnet ist, wobei der Aufsteckverbindungsteil an einem Werkstück aufsteckbar ist, wobei der Hebelteil 22 in den Aufnahmeraum 11 des Griffes 10 geführt ist, wobei ein zweites Loch 21 an dem Hebelteil 22 angeordnet ist, wobei sich das zweite Loch 21 nach dem ersten Loch 12 richtet, wobei ein bogenförmiger konkaver Teil 23 auf der distalen Endseite des Hebelteiles 22 angeordnet ist, wobei ein Zapfen 30 durch das erste Loch 12 und das zweite Loch 21 geführt ist und wobei der Hebelteil 22 des Antriebskopfes 20 schwenkbar mit dem Griff 10 derart verbunden ist, dass der Hebelteil 22 in dem Aufnahmeraum 11 in kleinem Ausmaß schwenkbar ist;
• – ein Kompressionsbauteil 40, das in dem Aufnahmeraum 11 aufgenommen ist und ein Federelement 41 und ein Druckstück 42 umfasst, wobei ein Ende des Federelementes 41 gegen eine Seitenfläche des Druckstücks 42 gedrückt ist, ein bogenförmiger konvexer Teil 421 in der Mitte der anderen Seitenfläche des Druckstücks 42 angeordnet ist und der konvexe Teil 421 in den konkaven Teil 23 eingelegt ist, so dass das Federelement 41 federnd gegen den Antriebskopf 20 gedrückt ist;
• – ein Einstellbauteil 50, das an dem Griff 10 zur Einstellung der Länge des Federelementes 41 angeordnet ist, so dass der Torsionskraftwert beim Antreiben eines Werkstücks von dem Antriebskopf 20 einstellbar ist, der ein Befestigungsstück 51, eine äußere Hülse 52, einen Einstellhebel 53 und ein Klemmelement 54 umfasst, wobei das Befestigungsstück 51 in dem Aufnahmeraum 11 in einer Seite der Führungsnut 16 und in der Nähe des Endes des Griffes 10 fest angeordnet ist, wobei ein Gewindeloch 510 in der Mitte des Befestigungsstücks 51 angeordnet ist, wobei die äußere Hülse 52 an einem Ende offen gestaltet ist und an dem Griff 10 aufgesteckt ist, wobei das andere Ende geschlossen ist und eine sechseckige Öffnung 521 in der Mitte des anderen Endes angeordnet ist und wobei der Einstellhebel 53 einen Gewindeabschnitt aufweist, so dass das Befestigungsstück 51 mittels seines Gewindeloches 510 an dem Einstellhebel 53 verschraubt ist, wobei ein Ende des Einstellhebels 53 mittels eines ersten Stößelstücks 531 gegen das andere Ende des Federelementes 41 gedrückt ist, wobei eine Klemmringnut 532 an dem Umfang des Einstellhebels 53 in der Nähe einer Seite des ersten Stößelstücks 531 angeordnet ist, wobei der Einstellhebel 53 an dem anderen Ende eine sechseckige Säule 533 aufweist, die in die sechseckige Öffnung 521 geführt ist, wobei das Klemmelement 54 an dem Ende des Einstellhebels 53 befestigt ist, so dass die äußere Hülse 52 mit dem Einstellhebel 53 fest verbunden ist, und wobei die äußere Hülse 52 den Einstellhebel 53 gegenüber dem Griff 10 mit bewegt, um die Länge des Federelementes 41 einzustellen und dadurch den Torsionskraftwert des Schraubenschlüssels einzustellen, da das Befestigungsstück 51 nicht mitbewegt wird, wenn die äußere Hülse 52 den Einstellhebel 53 gegenüber dem Griff 10 mitdreht;
• – ein Bezugsbauteil 60, das unter der Betätigung des Einstellbauteiles 50 mit der Veränderung der Länge des Federelementes 41 in Gleichlauf in Axialrichtung geschoben ist, um den Torsionskraftwert des Schraubenschlüssels zu zeigen, und das ein zweites Stößelstück 61, ein erstes Bezugselement 62 und ein zweites Bezugselement 63, mindestens einen Blockkörper 64 und einen Klemmring 65 umfasst, wobei das zweite Stößelstück 61 auf der Unterseite ein Positionierungsstück 611 aufweist, das in die Führungsnut 16 gesteckt ist, wobei das Positionierungsstück 611 und das zweite Stößelstück 61 von dem Einstellhebel 53 linear mitgeschoben werden, wenn der Einstellhebel 53 gedreht und gegenüber dem Griff 10 bewegt wird. Das erste Bezugselement 62 und das zweite Bezugselement 63 werden von dem zweiten Stößelstück 61 mitbewegt, da das erste Bezugselement 62 und das zweite Bezugselement 63 an dem zweiten Stößelstück 61 befestigt sind. Das zweite Bezugselement 63 ist auf das erste Bezugselement 62 gelegt, wobei das erste Bezugselement 62 länger als das zweite Bezugselement 63 gestaltet ist. Eine Aufnahmeöffnung 641 ist in der Mitte des Blockkörpers 64 angeordnet. Ein Ende des Federelementes 41 ist durch die Aufnahmeöffnung 641 geführt, wobei zwei Blockkörper 64 nach einem Ausführungsbeispiel vorgesehen sind und jeweils eine konkave Nut 642 auf einer Seite jedes Blockkörpers 64 angeordnet ist. Das erste Bezugselement 62 ist schiebbar entlang die konkave Nut 642 angeordnet. Der Klemmring 65 ist in der Klemmringnut 532 des Einstellhebels 53 geklemmt, so dass das zweite Stößelstück 61 an dem Einstellhebel 53 aufsteckend fest angeordnet ist und von dem Einstellhebel 53 mitgeschoben wird.
• – ein Anzeigebauteil 70, das in der Befestigungsöffnung 14 des Griffes 10 befestigt ist und eine Anzeigeeinrichtung, einen Rechenoperator und einen Positionsbewegungssensor 71 umfasst; wobei vier Positionsbewegungssensoren 71 nach einem Beispiel vorgesehen sind, wobei jeder Positionsbewegungssensor 71 jeweils in einer entsprechenden ersten Aufnahmeöffnung 13 aufgenommen ist, wobei die Positionsbewegungssensoren 71 unter der Wechselwirkung der Positionsbewegung des ersten Bezugselementes 62 ein Induktionssignal erzeugen, das durch den Rechenoperator 71 zu einem Torsionskraftwert umgerechnet ist, und wobei der Torsionskraftwert von der Anzeigeeinrichtung gezeigt wird, und
• – eine Skalenscheibe 80, die als eine durchsichtige oder halbdurchsichtige Platte ausgeführt ist, wobei die Gradeinteilung zur Markierung der Werte auf der Skalenscheibe 89 angeordnet ist, wobei die Skalenscheibe 80 in der zweiten Aufnahmeöffnung 15 des Griffes 10 befestigt ist, wobei die Gradeinteilung nach der von dem zweiten Bezugselement 63 gerichtet ist und einen Torsionskraftwert darstellt.

As in 1 to 6 1, the adjustable torsion force wrench according to the present invention comprises:

• - a hollow handle 10 , being a recording room 11 inside the handle 10 is provided, four close to each other first receiving openings 13 and a second receiving opening 15 , a transverse first hole 12 , a long-strip-shaped guide groove 16 and at least two mounting holes 14 on the outer periphery of the handle 10 are arranged, with the first hole 12 , the first receiving openings 13 , the second receiving opening 15 and the guide groove 16 each with the recording room 11 are connected, wherein the first receiving openings 13 between the two mounting holes 14 and where the guide groove 16 and the second receiving opening 15 are arranged on the circumference in mutually remote sides;
• - a drive head 20 , with a lever part 22 from one side of the drive head 20 from, wherein a slip-on connection part on the drive head 20 is arranged and a ratchet mechanism is arranged in its interior, wherein the Aufsteckverbindungsteil is attachable to a workpiece, wherein the lever part 22 in the recording room 11 of the handle 10 is guided, with a second hole 21 on the lever part 22 is arranged, wherein the second hole 21 after the first hole 12 directed, with an arcuate concave part 23 on the distal end side of the lever part 22 is arranged, with a pin 30 through the first hole 12 and the second hole 21 is guided and wherein the lever part 22 of the drive head 20 swiveling with the handle 10 is connected such that the lever part 22 in the recording room 11 is pivotable to a small extent;
• - A compression component 40 that in the recording room 11 is included and a spring element 41 and a pressure piece 42 includes, wherein one end of the spring element 41 against a side surface of the pressure piece 42 is pressed, a curved convex part 421 in the middle of the other side surface of the pressure piece 42 is arranged and the convex part 421 in the concave part 23 is inserted, so that the spring element 41 resilient against the drive head 20 is pressed;
• - An adjustment component 50 that on the handle 10 for adjusting the length of the spring element 41 is arranged so that the torsional force value in driving a workpiece from the drive head 20 adjustable, which is a fixing piece 51 , an outer sleeve 52 , a setting lever 53 and a clamping element 54 includes, wherein the attachment piece 51 in the recording room 11 in one side of the guide groove 16 and near the end of the handle 10 is fixed, with a threaded hole 510 in the middle of the attachment piece 51 is arranged, wherein the outer sleeve 52 open at one end and the handle 10 is attached, with the other end is closed and a hexagonal opening 521 is arranged in the middle of the other end and wherein the adjusting lever 53 a threaded portion, so that the attachment piece 51 by means of his threaded hole 510 on the adjustment lever 53 is screwed, with one end of the adjusting lever 53 by means of a first plunger piece 531 against the other end of the spring element 41 is pressed, with a Klemmringnut 532 at the periphery of the adjusting lever 53 near one side of the first pestle piece 531 is arranged, wherein the adjusting lever 53 at the other end a hexagonal column 533 which is in the hexagonal opening 521 is guided, wherein the clamping element 54 at the end of the adjusting lever 53 is attached so that the outer sleeve 52 with the adjustment lever 53 is firmly connected, and wherein the outer sleeve 52 the adjustment lever 53 opposite the handle 10 with moves to the length of the spring element 41 set and thereby adjust the torsional force value of the wrench, since the attachment piece 51 does not move when the outer sleeve 52 the adjustment lever 53 opposite the handle 10 rotates;
• - a reference component 60 , which is under the operation of the setting component 50 with the change in the length of the spring element 41 is pushed in synchronism in the axial direction to show the torsional force value of the wrench, and that a second plunger piece 61 , a first reference element 62 and a second reference element 63 , at least one block body 64 and a clamping ring 65 comprising, wherein the second plunger piece 61 on the bottom of a positioning piece 611 that is in the guide groove 16 is plugged, with the positioning piece 611 and the second plunger piece 61 from the adjustment lever 53 be pushed along linearly when the adjustment lever 53 turned and opposite the handle 10 is moved. The first reference element 62 and the second reference element 63 be from the second pestle piece 61 moved, because the first reference element 62 and the second reference element 63 on the second plunger piece 61 are attached. The second reference element 63 is on the first reference element 62 placed, wherein the first reference element 62 longer than the second reference element 63 is designed. A receiving opening 641 is in the middle of the block body 64 arranged. One end of the spring element 41 is through the receiving opening 641 led, whereby two block body 64 are provided according to an embodiment and in each case a concave groove 642 on one side of each block body 64 is arranged. The first reference element 62 is slidable along the concave groove 642 arranged. The clamping ring 65 is in the clamping ring groove 532 of the adjusting lever 53 clamped, leaving the second pestle piece 61 on the adjustment lever 53 Aufsteckend is fixed and by the adjustment lever 53 is pushed along.
• - a display component 70 that in the mounting hole 14 of the handle 10 is attached and a display device, a computational operator and a position motion sensor 71 includes; wherein four position motion sensors 71 are provided according to an example, wherein each position motion sensor 71 each in a corresponding first receiving opening 13 is received, wherein the position motion sensors 71 under the interaction of the positional movement of the first reference element 62 generate an induction signal by the arithmetic operator 71 is converted to a Torsionskraftwert, and wherein the Torsionskraftwert is shown by the display device, and
• - a scale disk 80 , which is designed as a transparent or semitransparent plate, the graduation being used to mark the values on the dial 89 is arranged, with the scale disk 80 in the second receiving opening 15 of the handle 10 is attached, wherein the graduation after that of the second reference element 63 is directed and represents a Torsionskraftwert.

If the first reference element 62 and the second reference element 63 in cooperation with each of the display component 70 and with the dial 80 show a corresponding predetermined Torsionskraftwert, drives the operator using the drive head 20 a workpiece for rotation. When the torsion force when driving from the drive head 20 reaches the predetermined Torsionskraftwert is the concave part 23 from the convex part 421 separated, so that it is no longer possible to drive the workpiece for rotation, and the wrench and the workpiece are protected from damage.

As in 7 and 8th shown, the outer sleeve 52 turned by the operator, so is the adjustment lever 53 co-rotated and pushed along. The spring element 41 is from the first ram piece 531 compressed, so that the wrench has a greater torsional force. The movement distance of the first reference element 62 is from the position motion sensor 71 detected, and the Torsionskraftwert is shown by the display device. At the same time shows the graduation of the dial 80 after which the second reference element 63 is directed, also a corresponding Torsionskraftwert.

As in 9 is a plurality of mutually parallel first reference lines 621 and second reference lines 622 on the first reference element 62 arranged. The first reference lines 621 and the second reference lines 622 interact with the position motion sensor 71 for detecting the position movement together.

As in 10 to 12 shown, is the adjustment lever 53 movable in the handle 10 arranged. The outer sleeve 52 is rotatable with the end of the handle 10 stuck together. On the outer sleeve 52 is a threaded hole 522 arranged. The threaded hole 522 is at the threaded portion of the adjusting lever 53 screwed. When the outer sleeve 52 is turned, the adjustment lever 53 moves, leaving the first ram piece 531 is moved to the length of the spring element 41 adjust. The first reference element 62 and the second reference element 63 are also from the adjustment lever 53 pushed so that the Torsionskraftwert the wrench is shown.

As in 13 to 15 is the first reference element 62 designed in the form of an expandable and contractible tubular body, the first tube 623 , a second pipe 624 and a spring element 625 includes. The first pipe 623 is with the second tube 624 stuck together. The spring element 625 is between the first pipe 623 and the second tube 624 arranged so that the first pipe 623 and the second tube 624 can be resiliently extended or shortened. An end of the first pipe 623 is above the second plunger piece 61 firmly arranged. One end of the second tube 624 is against the position motion sensor 71 pressed. From the pressure force of the first reference element 62 or from the total length of the first tube 623 and the second tube 624 is a torsional force value from the position motion sensor 71 determined and the torsional force value is of the display component 70 shown. On the first reference element 62 is the second reference element 63 firmly arranged.

In 16 a fourth embodiment of the present invention is shown. The first reference element 62 and the second reference element 63 are integrally formed. On the first reference element 62 a graduation is arranged so that a corresponding Torsionskraftwert in cooperation with the dial 80 is shown.

The present invention collectively relates to an adjustable torsion force wrench comprising a drive head 20 , a handle 10 , a compression component 40 , a setting component 50 , a reference component 60 and a display component 70 , The drive head 20 is pivotable with the handle 10 connected. The compression component 40 includes a spring element 41 and a pressure piece 42 , wherein one end of the spring element 41 through the pressure piece 42 against the drive head 20 is pressed. The length of the spring element 41 is from the adjustment component 50 set so that the size of the torsional force of the wrench is determined. The reference component 60 comprises a first reference element 62 and a second reference element 63 , the first reference element 62 and the second reference element 63 are with the movement of the adjustment member 50 pushed. The position movement distance of the first reference element 62 is from the display component 70 and the digital torsional force value is from the display component 70 shown, the second reference element 63 acts with a sacal disc 80 together, and the torsional force value is shown in the form of graduation. ( 1 )

• 1. Die Länge des Federelementes ist von dem Einstellbauteil eingestellt, so dass die Größe der Torsionskraft bei der Trennung des konkaven Teiles von dem konvexen Teil vorbestimmt ist. Gleichzeitig ist das erste Bezugselement von dem Einstellhebel mitbewegt, der Positionsbewegungsabstand ist von dem Positionsbewegungssensor erfasst, und der entsprechende Torsionskraftwert ist von dem Anzeigebauteil gezeigt.
• 2. Der Bezugsbauteil weist ein erstes Bezugselement und ein zweites Bezugselement auf. Da der digitale Torsionskraftwert im Zusammenwirken des ersten Bezugselementes mit dem Anzeigebauteil gezeigt ist, und der Torsionskraftwert in Form von Gradeinteilung im Zusammenwirken des zweiten Bezugselementes mit der Skalenscheibe gezeigt ist, verfügt der Schraubenschlüssel sowohl über die elektronische Anzeige als auch über die traditionelle Anzeige in Form von Gradeinteilung. Das heißt, dass der eingestellte Torsionskraftwert in Form von Gradeinteilung immer noch gezeigt werden kann, wenn der Anzeigebauteil ausfällt.

The wrench according to the present invention has the following advantages:

• 1. The length of the spring member is adjusted by the adjusting member so that the magnitude of the torsional force in the separation of the concave part from the convex part is predetermined. At the same time, the first reference member is moved by the adjusting lever, the position moving distance is detected by the position moving sensor, and the corresponding torsional force value is shown by the indicating member.
• 2. The reference component has a first reference element and a second reference element. Since the digital torsional force value is shown in cooperation of the first reference element with the display component, and the torsional force value in the form of graduation in the interaction of the second reference element is shown with the dial, the wrench has both the electronic display and the traditional display in the form of graduation. That is, the set torsional force value in the form of graduation can still be shown when the indicator member fails.

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• US 7703357 [0002]
• US 7685889 [0003]

Claims (13)

Adjustable torsion force wrench comprising: - a hollow handle ( 10 ), wherein a receiving space ( 11 ) inside the handle ( 10 ) is provided; A drive head ( 20 ), wherein a lever part ( 22 ) from one side of the drive head ( 20 ) extends, wherein the lever part ( 22 ) in the reception room ( 11 ) is guided and wherein a pin ( 30 ) through the lever part ( 22 ) and the handle ( 10 ) is guided, so that the lever part ( 22 ) pivoting with the handle ( 10 ) and the lever part ( 22 ) in the recording room ( 11 ) is pivotable to a small extent; A compression component ( 40 ) stored in the receiving room ( 11 ) is received and a spring element ( 41 ) and a pressure piece ( 42 ), wherein one end of the spring element ( 41 ) against the pressure piece ( 42 ) is pressed, the pressure piece ( 42 ) against the distal end of the lever part ( 22 ) is pressed, so that the spring element ( 41 ) resiliently against the drive head ( 20 ) is pressed; A setting component ( 50 ) attached to the handle ( 10 ) for adjusting the length of the spring element ( 41 ) is arranged so that the torsional force value when driving a workpiece from the drive head ( 20 ) is adjustable; A reference component ( 60 ), which is a second pusher piece ( 61 ), a first reference element ( 62 ) and a second reference element ( 63 ), wherein the second plunger piece ( 61 ) with the first and the second reference element ( 62 . 63 ) is integrally formed, wherein the reference component ( 60 ) under the operation of the adjustment member ( 50 ) with the change in the length of the spring element ( 41 ) is pushed in synchronism in the axial direction; A display component ( 70 ) attached to the handle ( 10 ) and a display device, a computational operator and a position motion sensor ( 71 ), wherein the position motion sensor ( 71 ) under the interaction of the positional movement of the first reference element ( 62 ) generates an induction signal that is converted by the arithmetic operator to a torosity force value and wherein the torsional force value is displayed by the display device; - a scale plate ( 80 ), which are translucent and attached to the handle ( 10 ), wherein a graduation on the dial ( 80 ) is arranged, wherein the scale disc ( 80 ) with the second reference element ( 63 ) and wherein the graduation according to that of the second reference element ( 63 ) and represents a torsional force value. Adjustable torsion force wrench according to claim 1, wherein four position motion sensors ( 71 ) are provided, a plurality of mutually parallel first reference lines ( 621 ) and second reference lines ( 622 ) on the first reference element ( 62 ) and the first reference lines ( 621 ) and the second reference lines ( 622 ) with the position motion sensor ( 71 ) cooperate to detect the positional movement. Adjustable torsion force wrench according to claim 1, wherein at least one block body ( 64 ) inside the handle ( 10 ), a receiving opening ( 641 ) in the middle of the block body ( 63 ) is arranged, the spring element ( 41 ) through the receiving opening ( 641 ), a concave groove ( 642 ) on one side of the block body ( 64 ) and the first reference element ( 62 ) displaceable in the concave groove ( 642 ) is arranged. Adjustable torsion force wrench according to claim 1, wherein the first reference element ( 62 ) and the second reference element ( 63 ) are integrally formed and a graduation for marking the digit values on the first reference element ( 62 ) is arranged to produce a torsional force value in cooperation with the dial ( 80 ) to show. Adjustable torsion force wrench according to claim 1, wherein said adjusting member (16) 50 ) a fastening piece ( 51 ), an outer sleeve ( 52 ), a setting lever ( 53 ) and a clamping element ( 54 ), wherein the attachment piece ( 51 ) in the recording room ( 11 ), a threaded hole ( 510 ) in the middle of the attachment piece ( 51 ), the outer sleeve ( 52 ) rotatable with the handle ( 10 ) is plugged, the outer sleeve ( 52 ) has a closed part at one end, a hexagonal opening ( 521 ) is arranged in the middle of the closed part and the adjusting lever ( 53 ) has a threaded portion, so that the attachment piece ( 51 ) by means of its threaded hole ( 510 ) on the adjustment lever ( 53 ), wherein a first plunger piece ( 531 ) and a clamping ring groove ( 532 ) at one end of the adjusting lever ( 53 ) are arranged, wherein the first plunger piece ( 531 ) against the other end of the spring element ( 41 ), whereby a hexagonal column ( 533 ) at the other end of the adjusting lever ( 53 ), the hexagonal column ( 533 ) into a hexagonal opening ( 521 ) of the outer sleeve ( 52 ) is guided and wherein the clamping element ( 54 ) at the end of the adjusting lever ( 53 ) is clamped so that the outer sleeve ( 52 ) with the adjustment lever ( 53 ), and wherein the adjustment lever ( 53 ) is displaced in the axial direction, so that the length of the spring element ( 41 ) is changed and the second plunger piece ( 61 ) is moved when the outer sleeve ( 52 ) opposite the handle ( 10 ) is rotated. Adjustable torsion force wrench according to claim 5, wherein a guide groove ( 16 ) on the circumference of the handle ( 10 ), wherein the second plunger piece ( 61 ) is displaceable and only on the adjustment lever ( 53 ) is arranged plugging firmly, wherein a positioning piece ( 611 ) on one side of the second plunger piece ( 61 ) and wherein the positioning piece ( 611 ) in the guide groove ( 16 ) is recorded. Adjustable torsion force wrench according to claim 6, wherein a clamping ring groove ( 532 ) at the periphery of the adjusting lever ( 53 ) is arranged, wherein a clamping ring ( 65 ) in the clamping ring groove ( 532 ) is clamped and wherein the second plunger piece ( 61 ) with the help of the clamping ring ( 65 ), so that the second plunger piece ( 61 ) is displaceable and only on the adjustment lever ( 53 ) is arranged aufsteckend fixed. Adjustable torsion force wrench according to claim 1, wherein the second reference element ( 63 ) to the first reference element ( 62 ) is placed. Adjustable torsion force wrench according to claim 1, wherein said adjusting member (16) 50 ) an outer sleeve ( 52 ), a setting lever ( 53 ) and a clamping element ( 54 ), wherein the adjustment lever ( 53 ) slidable inside the handle ( 10 ), wherein the outer sleeve ( 52 ) rotatable with the handle ( 10 ), wherein a threaded hole ( 522 ) on the outer sleeve ( 52 ) is arranged, wherein the adjusting lever ( 53 ) has a threaded portion, so that the adjustment lever ( 53 ) in the threaded hole ( 522 ) and wherein the adjustment lever ( 53 ) is displaced in the axial direction, so that the length of the spring element ( 41 ) is changed and the second plunger piece ( 61 ) is moved when the outer sleeve ( 52 ) opposite the handle ( 10 ) is rotated. Adjustable torsion force wrench according to claim 9, wherein a guide groove ( 16 ) on the circumference of the handle ( 10 ), wherein the second plunger piece ( 61 ) is displaceable and only on the adjustment lever ( 53 ) is arranged plugging firmly, wherein a positioning piece ( 611 ) on one side of the second plunger piece ( 61 ) and wherein the positioning piece ( 611 ) in the guide groove ( 16 ) is recorded. Adjustable torsion force wrench according to claim 10, wherein a clamping ring groove ( 532 ) at the periphery of the adjusting lever ( 53 ) is arranged and a clamping ring ( 65 ) in the clamping ring groove ( 532 ) is clamped so that the second plunger piece ( 61 ) with the help of the clamping ring ( 65 ), and the second plunger piece ( 61 ) is displaceable and only on the adjustment lever ( 53 ) is arranged aufsteckend fixed. Adjustable torsion force wrench according to claim 1, wherein an arcuate concave part ( 23 ) at the distal end of the lever part ( 22 ), an arcuate convex part ( 421 ) on the pressure piece ( 42 ) is arranged and the arcuate convex part ( 421 ) in the arcuate concave part ( 23 ) is inserted. Adjustable torsion force wrench according to claim 1, wherein a ratchet gear and a plug-in connection part on the drive head ( 20 ) are arranged, wherein the drive head ( 20 ) is attachable by means of Aufsteckverbindungsteiles on a workpiece.

Images