DE202022101623U1 - rotary key - Google Patents

Abstract

Rotary wrench comprising:
a main body (10), one end of which is provided with a support bracket (11) which is Y-shaped, the support bracket (11) being provided with a first joint section (111) on each side, the first joint section (111) is formed as a through hole having an internal thread, and wherein the main body (10) has a through slit (12) formed at the bottom of the support bracket (11), and the through slit (12) has a certain width and depth, and wherein the through slot (12) has a square cross section, and wherein the main body (10) is provided with a first receiving hole (13) located in the bottom portion of the support bracket (11), and the first receiving hole (13) with the through slot (12), and wherein the first receiving hole (13) is formed as a through hole, and wherein the main body (10) is provided with a first receiving groove (14) communicating with the first receiving hole (13). iced and designed as a through opening, and wherein a second receiving groove (15) is formed at the openings of the two end faces of the first receiving groove (14), which communicates with the first receiving groove (14), and wherein the length and width of the second accommodating groove (15) are larger than those of the first accommodating groove (14), and wherein in the first accommodating groove (14) there is a second accommodating hole (16), and wherein the second accommodating hole (16) is opposite to the first accommodating hole (13) and coaxial adapted thereto, and wherein the second receiving hole (16) has a circular cross section, and wherein the main body (10) is provided with a mounting tube (17) having a circular cross section;
two mounting elements (18) which are attached to the first joint section (111), the mounting element (18) being located at the end in the area of the Support bracket (11) protrudes, each of the mounting elements (18) being designed as a screw element;
a sleeve (19) provided with a first connecting portion (191) rotatably disposed in the region of the mounting tube (17), the sleeve (19) being provided with a plurality of first through grooves (192) for increasing frictional force serving between the main body (10) and the hand, and wherein the first through grooves (192) are arranged in a ring shape;
a plunger (20) which is located in the first receiving hole (13) and is slidable therein, wherein at one end of the plunger (20) a positioning element (21) is arranged which protrudes from the first receiving hole (13), and wherein at the other end of the plunger (20) a second connecting portion (22) is arranged, which projects into the first receiving groove (14), and wherein the outer diameter of the second connecting portion (22) is smaller than the outer diameter of the plunger (20);
two slides (30) which are arranged in the area of the first receiving groove (14) and are not separated from one another, the slide (30) being linearly displaceable in the area of the first receiving groove (14), and the linear displacement of the slide (30) drives the plunger (20) to move axially in the region of the first receiving hole (13), and wherein the slider (30) is provided with a first receiving portion (31) located in the region of the second receiving groove (15), and wherein the slider (30) is further provided with a second receiving portion (32) located inside the first receiving groove (14), and wherein each of the second receiving portions (32) has a third connecting portion (33), and wherein the third connecting portions (33) of the two sliders (30) are connected to each other and mounted on the second connecting portion (22) so that the two sliders (30) and the plunger (20) are assembled together, and the two sliders (30) drive the plunger (20) to move linearly, and wherein the second receiving portion (32) is formed at one end with a first locking portion (34) and a second Locking section (35) is provided, both of which are designed as an L-shaped extension, and wherein at the other end of the second receiving section (32) a first locking groove (36) and a second locking groove (37) are formed, both of which are L-shaped Groove are executed, and wherein the first locking portion (34) of the two sliders (30) is in the first locking groove (36) of the other slider (30), wherein the second locking portion (35) of the slider (30) in the second Locking groove (37) of the other slide (30) is locked, whereby the assembly process of the two slides (30) is completed;
a first spring element (40) which is located in the second receiving hole (16) and is supported between the bottom portion of the second receiving hole (16) and the plunger (20), the first spring element (40) having the effect of supporting the plunger ( 20) to return after being slid into the main body (10);
a drive unit (50) which is pivotably arranged in the area of the support bracket (11), the drive unit (50) being provided with a PUSH structure customary in hand tools, and the drive unit (50) moving forwards and backwards or in only one direction can be pivoted, and wherein the drive unit (50) has a drive head (51), a control pin (52) and a second spring element (53), the drive head (51) having two mounting sections (511) which, after the first joint section ( 111) are aligned, and wherein the mounting elements (18) penetrate the first joint section (111) and engage in the mounting sections (511), so that the drive head (51) is pivotably arranged in the region of the first joint section (111), and the drive head (51) in the region of the first joint section (111) of the support bracket (11) can be pivoted, and wherein the drive head (51) also has a third receiving hole (512), the axis of which is perpendicular to r axis of the mounting section (511), and wherein the third receiving hole (512) runs through the drive head (51), the outside of the drive head (51) having at least one first positioning section (513) on each side is provided, and wherein the first positioning section (513) is arranged between the two mounting sections (511), and wherein each of the first positioning sections (513) can be aligned with the positioning element (21), and wherein the first positioning section (513) is used, so that the positioning member (21) abuts and is positioned so that the driving head (51) performs a positioning action with respect to the main body (10), and wherein the number of the first positioning portions (513) arranged on each side is three, and wherein the first positioning portion (513) is in the form of a groove, wherein one end of the driving head (51) is provided with a driving projection (514), and wherein the driving head (51) is rotatable by three hundred and sixty degrees by the driving projection (514) penetrating the through slot ( 12) can happen, and wherein when the slider (30) moves the maximum distance towards the handle portion (60), the plunger (20) moves with it gt that the positioning member (21) is hidden in the first receiving hole (13), allowing the driving projection (514) to pass through the through slot (12), and wherein the control pin (52) is in the third receiving hole (512) and end one second positioning portion (521), and wherein the second positioning portion (521) is formed as a notch, and wherein the second positioning portion (521) is used so that the positioning element (21) abuts and is positioned, and wherein the displacement of the plunger (20 ) can move the second positioning portion (521) so that the control pin (52) can be slid in the third accommodation hole (512), and wherein the other end of the control pin (52) is provided with a step portion (522) which is after the Drive projection (514) is oriented so that the drive projection (514) and the nut can be quickly disengaged, and wherein the second spring element (53) on the control pin ( 52) is fitted in such a way that the control pin (52) can be displaced in a resilient manner; and
a grip portion (60) fitted onto the mounting tube (17), the sleeve (19) being prevented from moving further by the grip portion (60).

Description

The invention relates to a rotary key, in particular a rotary key according to the preamble of claim 1.

From the U.S. 2,977,824 a rotary wrench is known which has a main body 10, a driving head 20 and a mounting portion. The fixing portion is fixed in a locking hole of the main body 10, and the fixing portion prevents a Y-shaped support arm bracket of the main body 10 from protruding toward both sides. The disadvantage of the conventional rotary wrench is that the power head 20 cannot be positioned relative to the main body 10. When the power head 20 rotates a workpiece via an insert, the power head 20 rotates freely relative to the main body 10 and is not easy to operate.

The object of the invention is to provide a rotary wrench which avoids the disadvantages mentioned above by simple measures.

This object is achieved according to the invention by a rotary wrench which has the features specified in claim 1. Further advantageous developments of the invention emerge from the features of the dependent claims.

According to the invention, the rotary wrench includes: a main body having a support bracket, a first joint portion, a through slot, a first receiving hole, a first receiving groove, a second receiving groove, a second receiving hole, and a mounting tube; two mounting elements, which are arranged in the area of the first joint section; a plunger provided with a positioning member and a second connecting portion; two sliders each having a first receiving portion, a second receiving portion, a third connecting portion, a first locking portion, a second locking portion, a first locking groove, a second locking groove; a first spring element; a drive unit having a drive head, a control pin and a second spring element; a driving head provided with two mounting portions, a third receiving hole, a first positioning portion and a driving projection, wherein the control pin has a second positioning portion and a step portion.

• 1 eine perspektivische Explosionsdarstellung eines ersten Ausführungsbeispiels eines erfindungsgemäßen Drehschlüssels;
• 2 eine perspektivische Darstellung eines Schiebers eines erfindungsgemäßen Drehschlüssels;
• 3 eine perspektivische Zusammenbaudarstellung der teilweisen Bauteile eines erfindungsgemäßen Drehschlüssels;
• 4 eine perspektivische Darstellung einer Antriebseinheit eines erfindungsgemäßen Drehschlüssels; und
• 5 eine perspektivische Zusammenbaudarstellung des ersten Ausführungsbeispiels eines erfindungsgemäßen Drehschlüssels;
• 6 eine Draufsicht auf einen erfindungsgemäßen Drehschlüssel in einer ersten Betriebsposition;
• 7 einen Schnitt entlang der Linie A-A in 6;
• 8 einen Schnitt durch den erfindungsgemäßen Drehschlüssel in einer zweiten Betriebsposition;
• 9 einen Schnitt durch den erfindungsgemäßen Drehschlüssel in einer dritten Betriebsposition;
• 10 einen Schnitt durch den erfindungsgemäßen Drehschlüssel in einer vierten Betriebsposition;
• 11 einen Schnitt durch den erfindungsgemäßen Drehschlüssel in einer fünften Betriebsposition;
• 12 einen Schnitt durch den erfindungsgemäßen Drehschlüssel in einer sechsten Betriebsposition;
• 13 einen Schnitt durch den erfindungsgemäßen Drehschlüssel in einer siebten Betriebsposition; und
• 14 eine perspektivische Explosionsdarstellung eines zweiten Ausführungsbeispiels eines erfindungsgemäßen Drehschlüssels.

The invention and its configurations are explained in more detail below with reference to the drawing. In the drawing shows:

• 1 an exploded perspective view of a first embodiment of a rotary wrench according to the invention;
• 2 a perspective view of a slider of a rotary key according to the invention;
• 3 a perspective assembly view of the partial components of a rotary wrench according to the invention;
• 4 a perspective view of a drive unit of a rotary wrench according to the invention; and
• 5 a perspective assembly view of the first embodiment of a rotary wrench according to the invention;
• 6 a plan view of a rotary key according to the invention in a first operating position;
• 7 a cut along the line AA in 6 ;
• 8th a section through the rotary key according to the invention in a second operating position;
• 9 a section through the rotary key according to the invention in a third operating position;
• 10 a section through the rotary key according to the invention in a fourth operating position;
• 11 a section through the rotary key according to the invention in a fifth operating position;
• 12 a section through the rotary key according to the invention in a sixth operating position;
• 13 a section through the rotary key according to the invention in a seventh operating position; and
• 14 an exploded perspective view of a second embodiment of a rotary wrench according to the invention.

How out 1 until 4 As can be seen, a rotary wrench according to the invention has a main body 10, two mounting elements 18, a sleeve 19, a plunger 20, two slides 30, a first spring element 40, a drive unit 50 and a grip section 60.

One end of the main body 10 is provided with a support bracket 11 formed in a Y-shape. The support bracket 11 is provided with a first joint section 111 on both sides. The first joint ab Section 111 is formed as a through hole having an internal thread. The main body 10 has a through slot 12 formed at the bottom of the support bracket 11 . The through slot 12 has a specific width and depth. The through slot 12 has a square cross section. The main body 10 is provided with a first receiving hole 13 located in the bottom portion of the support bracket 11 . The first receiving hole 13 communicates with the through slot 12. The first receiving hole 13 is designed as a through hole. The main body 10 is provided with a first receiving groove 14 communicating with the first receiving hole 13 and formed as a through hole. A second receiving groove 15 , which communicates with the first receiving groove 14 , is formed on each of the openings of the two end faces of the first receiving groove 14 . The length and the width of the second accommodation groove 15 are larger than those of the first accommodation groove 14. In the first accommodation groove 14 there is a second accommodation hole 16. The second accommodation hole 16 faces the first accommodation hole 13 and is formed coaxially therewith. The second receiving hole 16 has a circular cross section. The main body 10 is provided with a mounting tube 17 having the shape of a round bar.

The two mounting elements 18 are attached to the first joint section 111 , with the mounting element 18 protruding at the end in the area of the support bracket 11 . Each of the mounting elements 18 is designed as a screw element.

The sleeve 19 is provided with a first connecting section 191 which is rotatably arranged in the area of the mounting tube 17 . The sleeve 19 is provided with a plurality of first through grooves 192 for increasing the frictional force between the main body 10 and the hand. The first through grooves 192 are arranged in a ring shape.

The plunger 20 is located in the first receiving hole 13 and is slidable in this. A positioning element 21 is arranged at one end of the plunger 20 and protrudes from the first receiving hole 13 . A second connecting section 22 is arranged at the other end of the plunger 20 and protrudes into the first receiving groove 14 . The outer diameter of the second connecting section 22 is smaller than the outer diameter of the plunger 20.

As in 2 and 3 shown, the two slides 30 are arranged in the region of the first receiving groove 14 and are not separated from one another. The slider 30 is linearly displaceable in the area of the first receiving groove 14 . The linear displacement of the slider 30 drives the plunger 20 to move axially in the area of the first receiving hole 13. The slider 30 is provided with a first receiving section 31 which is located in the area of the second receiving groove 15. The slider 30 is also provided with a second receiving portion 32 . The second accommodating portion 32 is located inside the first accommodating groove 14 . Each of the second accommodating portions 32 has a third connecting portion 33 . The third connection portions 33 of the two sliders 30 are connected to each other and mounted on the second connection portion 22, so that the two sliders 30 and the plunger 20 are assembled. In this way, the two slides 30 can drive the ram 20 to perform a linear movement. The second receiving portion 32 is provided at one end with a first locking portion 34 and a second locking portion 35, both of which are designed as an L-shaped extension. At the other end of the second receiving section 32, a first locking groove 36 and a second locking groove 37 are formed, both of which are designed as an L-shaped groove. The first locking section 34 of one of the two slides 30 is located in the first locking groove 36 of the other slide 30, the second locking section 35 of the slide 30 being locked in the second locking groove 37 of the other slide 30. This completes the assembly process of the two sliders 30.

The first spring element 40 is located in the second receiving hole 16 and is supported between the bottom section of the second receiving hole 16 and the plunger 20 . The first spring member 40 acts to return the plunger 20 after it has been slid into the main body 10 .

The drive unit 50 is pivotably arranged in the area of the support bracket 11 . The drive unit 50 is provided with a PUSH structure that is customary in hand tools. The drive unit 50 can be rotated forward and backward or in only one direction. The drive unit 50 has a drive head 51 , a control pin 52 and a second spring element 53 .

As in 4 As shown, the drive head 51 has two mounting portions 511 aligned with the first joint portion 111 . The mounting elements 18 penetrate through the first joint section 111 and engage in the mounting sections 511 so that the drive head 51 is pivotably arranged in the area of the first joint section 111 . The drive head 51 can be pivoted in the area of the first joint section 111 of the support bracket 11 . The drive head 51 further has a third receiving hole 512 whose axis is perpendicular to the axis of the mounting portion 511 runs. The third receiving hole 512 runs through the drive head 51, the outside of the drive head 51 being provided with at least one first positioning section 513 on both sides. The first positioning section 513 is arranged between the two mounting sections 511 . Each of the first positioning sections 513 can be aligned with the positioning element 21 . The first positioning portion 513 is used for the positioning member 21 to be abutted and positioned so that the driving head 51 performs a positioning action relative to the main body 10 . The number of the first positioning portions 513 is three. The first positioning portion 513 is in the form of a groove, and one end of the driving head 51 is provided with a driving projection 514 . The driving head 51 is rotatable by three hundred and sixty degrees by allowing the driving projection 514 to pass through the through slot 12 .

When the slider 30 moves the maximum distance toward the handle portion 60, the plunger 20 moves along so that the positioning member 21 is hidden in the first receiving hole 13, allowing the driving projection 514 to pass through the through slot 12.

The control pin 52 is located in the third receiving hole 512 and has a second positioning section 521 at the end. The second positioning portion 521 is formed as a notch. The second positioning portion 521 is used for the positioning member 21 to be abutted and positioned. The displacement of the plunger 20 can move the second positioning portion 521 so that the control pin 52 can be slid in the third accommodation hole 512 . The other end of the control pin 52 is provided with a step portion 522 that aligns with the drive boss 514 so that the drive boss 514 and the nut can be quickly disengaged.

A second spring element 53 is placed on the control pin 52 in such a way that the control pin 52 can be displaced in a resilient manner.

The handle section 60 is placed on the mounting tube 17, the sleeve 19 being prevented by the handle section 60 from moving further.

As in 5 until 7 shown, the sleeve 19 is fitted onto the mounting tube 17 . The plunger 20 runs through the first receiving hole 13 . The main body 10 and the plunger 20 are connected to one another via the two slides 30 . The first spring member 40 is located in the second receiving hole 16. The drive unit 50 is connected to the main body 10 in a pivotable manner. The handle portion 60 is mounted on the end portion of the mounting tube 17 .

With reference to 8th and 9 For example, the drive head 51 can rotate through a certain angle in the area of the support bracket 11 when the slider 30 is moved a small distance in the direction of the handle portion 60 so that the drive head 51 is not blocked by the positioning element 21 .

With reference to 10 and 11 the second positioning portion 521 and the positioning member 21 are sequentially aligned, and when the slider 30 is moved a distance toward the drive unit 50, the positioning member 21 is pressed against the second positioning portion 521, causing the drive unit 50 to be actuated by the plunger 20 can be controlled.

With reference to 12 and 13 the slider 30 is moved a large distance toward the handle portion 60, allowing the power head 51 to rotate 360 degrees about the first pivot portion 111.

With reference to 14 For example, the main body 10 is not provided with the through slot 12, that is, the drive unit 50 cannot rotate three hundred and sixty degrees with respect to the support arm 11.

1. 1. Die beiden Schieber 30 haben den gleichen Aufbau, stellen also das gleiche Element dar. Die beiden Schieber 30 werden in die erste Aufnahmenut 14 eingebaut, sodass sich die beiden Schieber 30 nicht aus der ersten Aufnahmenut 14 gelöst werden können.
2. 2. Der erste Arretierabschnitt 34 eines der beiden Schieber 30 befindet sich in der ersten Arretiernut 36 des anderen Schiebers 30, wobei der zweite Arretierabschnitt 35 des Schiebers 30 in der zweiten Arretiernut 37 des anderen Schiebers 30 arretiert ist. Damit sind die beiden Schieber 30 vorteilhaft miteinander verbunden, ohne voneinander getrennt zu werden.
3. 3. Die beiden Schieber 30 sind an der oberen und unteren Seite des Hauptkörpers 10 angeordnet. Die Antriebseinheit 50 kann um einen beliebigen Winkel gedreht werden. Durch Verschieben eines der beiden Schieber 30 kann die Verschiebung des Stößels 20 gesteuert werden, wodurch eine ergonomische Bedienung erreicht wird.
4. 4. Es ist ein Positionierelement 21 vorgesehen, das gegen den ersten Positionierabschnitt 513 und den zweiten Positionierabschnitt 521 so gedrückt und positioniert ist, dass sich der Antriebskopf 51 nicht in Bezug auf den Hauptkörper 10 drehen kann. Die Antriebseinheit 50 und der Hauptkörper 10 können in verschiedenen Winkeln positioniert werden, wobei die Antriebseinheit 50 eine Positionierfunktion erfüllt ist.

In summary, the following advantages can be achieved with the rotary wrench according to the invention:

1. 1. The two sliders 30 have the same structure, ie they represent the same element. The two sliders 30 are installed in the first receiving groove 14, so that the two sliders 30 cannot be detached from the first receiving groove 14.
2. 2. The first locking section 34 of one of the two sliders 30 is located in the first locking groove 36 of the other slider 30, the second locking section 35 of the slider 30 being locked in the second locking groove 37 of the other slider 30. The two slides 30 are thus advantageously connected to one another without being separated from one another.
3. 3. The two sliders 30 are arranged on the upper and lower sides of the main body 10. The drive unit 50 can be rotated at any angle. The displacement of the plunger 20 can be controlled by displacing one of the two slides 30, as a result of which ergonomic operation is achieved.
4. 4. There is a positioning member 21 provided against the first positioning portion 513 and the second positioning portion 521 so is pressed and positioned so that the driving head 51 cannot rotate with respect to the main body 10 . The drive unit 50 and the main body 10 can be positioned at various angles, and the drive unit 50 performs a positioning function.

Reference List

10

main body

11

support bracket

111

first joint section

12

through slot

13

first recording hole

14

first receiving groove

15

second receiving groove

16

second receiving hole

17

mounting tube

18

mounting element

29

sleeve

191

first plug section

192

first through groove

20

pestle

21

positioning element

22

second connection section

30

slider

31

first recording section

32

second recording section

33

third connection section

34

first locking section

35

second locking section

36

first locking groove

37

second locking groove

40

first spring element

50

drive unit

51

power head

511

assembly section

512

third receiving hole

513

first positioning section

514

drive protrusion

52

control pin

521

second positioning section

522

step section

53

second spring element

60

handle section

QUOTES INCLUDED IN DESCRIPTION

This list of documents cited by the applicant was 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.

Patent Literature Cited

• US2977824 [0002]

Claims (2)

A rotary wrench, comprising: a main body (10), one end of which is provided with a support bracket (11) which is Y-shaped, the support bracket (11) being provided on both sides with a first joint section (111), the first Joint portion (111) is formed as a through hole having an internal thread, and wherein the main body (10) has a through slit (12) formed at the bottom of the support bracket (11), and the through slit (12) has a certain width and depth, and the through slot (12) has a square cross section, and the main body (10) is provided with a first receiving hole (13) located in the bottom portion of the support bracket (11), and the first receiving hole (13 ) communicates with the through slot (12), and wherein the first receiving hole (13) is designed as a through hole, and wherein the main body (10) is provided with a first receiving groove (14) which communicates with the first en receiving hole (13) and is designed as a through opening, and wherein a second receiving groove (15) is formed at the openings of the two end faces of the first receiving groove (14), which communicates with the first receiving groove (14), and wherein the length and the width of the second accommodating groove (15) are larger than those of the first accommodating groove (14), and wherein in the first accommodating groove (14) there is a second accommodating hole (16), and wherein the second accommodating hole (16) corresponds to the first accommodating hole ( 13) opposed to and formed coaxially therewith, and wherein the second receiving hole (16) has a circular cross section, and wherein the main body (10) is provided with a mounting tube (17) having a circular cross section; two mounting elements (18) which are attached to the first joint section (111), the mounting element (18) protruding at the end in the area of the support bracket (11), each of the mounting elements (18) being designed as a screw element; a sleeve (19) provided with a first connecting portion (191) rotatably disposed in the region of the mounting tube (17), the sleeve (19) being provided with a plurality of first through grooves (192) for increasing frictional force serving between the main body (10) and the hand, and wherein the first through grooves (192) are arranged in a ring shape; a plunger (20) which is located in the first receiving hole (13) and is slidable therein, wherein at one end of the plunger (20) a positioning element (21) is arranged which protrudes from the first receiving hole (13), and wherein at the other end of the plunger (20) a second connecting portion (22) is arranged, which projects into the first receiving groove (14), and wherein the outer diameter of the second connecting portion (22) is smaller than the outer diameter of the plunger (20); two slides (30) which are arranged in the area of the first receiving groove (14) and are not separated from one another, the slide (30) being linearly displaceable in the area of the first receiving groove (14), and the linear displacement of the slide (30) drives the plunger (20) to move axially in the region of the first receiving hole (13), and wherein the slider (30) is provided with a first receiving portion (31) located in the region of the second receiving groove (15), and wherein the slider (30) is further provided with a second receiving portion (32) located inside the first receiving groove (14), and wherein each of the second receiving portions (32) has a third connecting portion (33), and wherein the third connecting portions (33) of the two sliders (30) are connected to each other and mounted on the second connecting portion (22) so that the two sliders (30) and the plunger (20) are assembled together, and the two sliders (30) drive the plunger (20) to move linearly, and wherein the second receiving portion (32) is provided at one end with a first locking portion (34) and a second locking portion (35), both configured as an L-shaped extension, and a first locking groove (36) and a second locking groove (37) being formed at the other end of the second receiving section (32), both of which are designed as an L-shaped groove, and the first locking section (34) of one of the two slides ( 30) is located in the first locking groove (36) of the other slider (30), the second locking section (35) of the slider (30) being locked in the second locking groove (37) of the other slider (30), whereby the assembly process of the two slide (30) is completed; a first spring element (40) which is located in the second receiving hole (16) and is supported between the bottom portion of the second receiving hole (16) and the plunger (20), the first spring element (40) having the effect of supporting the plunger ( 20) to return after being slid into the main body (10); a drive unit (50) which is pivotably arranged in the area of the support bracket (11), the drive unit (50) being provided with a PUSH structure customary in hand tools, and the drive unit (50) moving forwards and backwards or in only one direction can be pivoted, and wherein the drive unit (50) has a drive head (51), a control pin (52) and a second spring element (53), the drive head (51) having two mounting sections (511) which, after the first joint section ( 111) are aligned, and wherein the mounting elements (18) penetrate the first joint portion (111) and into the Mon floor sections (511) engage, so that the drive head (51) is arranged pivotably in the area of the first articulated section (111), and wherein the drive head (51) is pivotable in the area of the first articulated section (111) of the support bracket (11), and wherein the Drive head (51) further comprises a third receiving hole (512) whose axis is perpendicular to the axis of the mounting portion (511), and wherein the third receiving hole (512) passes through the drive head (51), the outside of the drive head (51) on both sides is each provided with at least one first positioning section (513), and wherein the first positioning section (513) is arranged between the two mounting sections (511), and wherein each of the first positioning sections (513) can be aligned with the positioning element (21), and wherein the first positioning portion (513) is used to abut and position the positioning member (21) so that the drive head (51) has a positioning effect ung with respect to the main body (10), and wherein the number of the first positioning portions (513) arranged on each side is three, and wherein the first positioning portion (513) is in the form of a groove with one end of the driving head (51 ) is provided with a drive projection (514), and wherein the drive head (51) is rotatable through three hundred and sixty degrees by allowing the drive projection (514) to pass through the through slot (12), and wherein when the slider (30) moves beyond the maximum distance moves toward the handle portion (60), the plunger (20) moves along so that the positioning member (21) is hidden in the first receiving hole (13), allowing the driving projection (514) to pass through the through slot (12), and wherein the control pin (52) is located in the third receiving hole (512) and has a second positioning portion (521) at the end, and wherein the second positioning portion (521) is designed as a notch, and wherein the second pos itioning section (521) is used so that the positioning element (21) abuts and is positioned, and wherein the displacement of the plunger (20) can move the second positioning section (521) so that the control pin (52) in the third receiving hole (512) can be displaced, and wherein the other end of the control pin (52) is provided with a step portion (522) which is aligned with the drive projection (514) so that the drive projection (514) and the nut can be quickly disengaged, and wherein the second spring element (53) is placed on the control pin (52) in such a way that the control pin (52) is resiliently displaceable; and a handle portion (60) fitted on the mounting tube (17), the sleeve (19) being prevented from moving further by the handle portion (60). turn key after claim 1 , characterized in that the second positioning portion (521) and the positioning member (21) are sequentially aligned, wherein when the slider (30) is moved a distance towards the drive unit (50), the positioning member (21) against the second positioning section (521), the control pin (52) being displaceable by the plunger (20) in such a way that the second spring element (53) is compressed, and the plunger (20) controlling the PUSH process of the drive unit (50). .

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