Anti-falling acceleration screwdriver

Abstract

The utility model discloses an anti-falling acceleration screwdriver, and relates to the technical field of screwdrivers. By means of the anti-disengaging part convenient to disassemble, the screwdriver head can be disassembled and assembled conveniently, the situation that the screwdriver head disengages from the rod body is avoided, and the stability of the screwdriver head installed on the rod body is improved; a certain acting force can be applied to the screwdriver head through the arranged anti-falling jacking piece, so that the screwdriver head is tightly attached to a groove of a screw, the situation that the screwdriver head and the screw fall off is prevented, the driven rotating rod is driven to rotate when the driving pipe rotating rod is rotated clockwise through the arranged wedge-shaped rotating piece, and therefore the screwdriver head can be driven to rotate when the driving pipe rotating rod is rotated clockwise. When the driving pipe rotating rod rotates anticlockwise, the driving pipe rotating rod does not drive the driven rotating rod to rotate, manual resetting of the driving pipe rotating rod can be completed, manual resetting is also completed, then the driving pipe rotating rod continues to rotate, the driven rotating rod can continue to be driven to rotate, the time and labor are saved, and efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screwdrivers, in particular to an anti-dropping accelerating screwdriver. Background Art

[0002] A screwdriver is a common tool used to turn a screw to put it in place. It usually has a thin wedge-shaped head that fits into the slot or notch of the screw head. When tightening a screw and starting to remove a screw (when the screw is difficult to turn), the screwdriver head can easily slip out of the screw mouth, causing injury.

[0003] After the screwdriver head of the existing screwdriver fits into the groove of the screw, it needs to be taken off and aligned after the wrist is rotated to an angle, and then it can be rotated again to improve the efficiency of the angle. After a period of use, the connection stability between the screwdriver head and the screwdriver is reduced and it is easy to fall off. Utility Model Content

[0004] In order to solve the defects in the prior art, the utility model provides an anti-dropping accelerating screwdriver.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model discloses an anti-slip accelerating screwdriver, comprising a rod body, one end of the rod body is connected to a connecting rod via an anti-slip convenient disassembly piece, an end of the connecting rod away from the rod body is connected to a screwdriver head, and an anti-slip pressing piece is provided at the connection between the screwdriver head and the connecting rod; a passive rotating rod is provided at the other end of the rod body, an outer wall of the passive rotating rod is connected to an active rotating tube rod via a wedge-shaped rotating piece, and an end of the active rotating tube rod close to the rod body is connected to the passive rotating rod via a bearing.

[0007] As a preferred technical solution of the utility model, the anti-slip and easy-to-disassemble part includes a plug-in plate with a rectangular cross-section and arranged at the end of the connecting rod, the end of the rod body is provided with a plug-in groove matching the plug-in plate, a spring limit pin for limiting the plug-in plate is embedded on the rod body, and a limit hole matching the telescopic end of the spring limit pin is opened on the plug-in plate.

[0008] As a preferred technical solution of the utility model, the anti-slip tightening part includes a tightening rod arranged at the rear end of the screwdriver head and a tightening groove opened at the end of the connecting rod and matching the tightening rod, a limiting tightening block is provided at one end of the tightening rod located inside the tightening groove, a first return spring connected to the limiting tightening block is provided inside the tightening groove, and the limiting tightening block and the tightening groove are both rectangular.

[0009] As a preferred technical solution of the utility model, the wedge-shaped rotating member includes three first wedge-shaped blocks arranged in an annular shape and equidistantly on the outer wall of the passive rotating rod, and the inner wall of the active rotating rod is connected to a second wedge-shaped block adapted to the first wedge-shaped blocks via a reset component.

[0010] As a preferred technical solution of the utility model, the reset assembly includes a reset cavity opened on the inner wall of the active rotating tube rod, and a plurality of second reset springs connected to the second wedge block are arranged inside the reset cavity.

[0011] As a preferred technical solution of the utility model, the outer wall of the active rotating tube rod is provided with anti-slip grooves.

[0012] The beneficial effects of the utility model are:

[0013] 1. This anti-slip accelerating screwdriver has an anti-slip disassembly part, which makes it easy to disassemble and assemble the screwdriver head and avoid the screwdriver head from falling off the rod body, thereby improving the stability of the screwdriver head installed on the rod body; the anti-slip tightening part can give the screwdriver head a certain force, so that the screwdriver head and the groove of the screw are closely fitted, thereby preventing the screwdriver head and the screw from falling off; and the wedge-shaped rotating part can make the passive rotating rod rotate when the active rotating tube rod is rotated clockwise, and the active rotating tube rod will not drive the passive rotating rod to rotate when it is rotated counterclockwise, so that the manual resetting of the active rotating tube rod can be completed, the hand also completes the resetting, and then the active rotating tube rod is continued to be rotated, which can continue to drive the passive rotating rod to rotate, thereby saving time and labor and improving efficiency.

[0014] 2. For this type of anti-dropping accelerating screwdriver, when replacing screwdriver heads of different types, one only needs to pull the power rod of the spring limit pin to separate the limit end of the spring limit pin from the limit hole on the plug-in board, pull the connecting rod outward, and the connecting rod drives the plug-in board to move outward, so that the plug-in board is separated from the plug-in slot, and then the plug-in board of the screwdriver head to be replaced is inserted into the inside of the plug-in slot. Under the action of the elastic potential energy of the spring limit pin, the telescopic end of the spring limit pin is inserted into the limit hole on the plug-in board, and the replacement of screwdriver heads of different types can be completed.

[0015] 3. When using this type of anti-slip accelerating screwdriver, a certain force is applied to the rod body so that the screwdriver head fits into the groove of the screw. The first return spring is compressed, and the first return spring applies a certain force to the screwdriver head so that the screwdriver head fits tightly into the groove of the screw. Even if the hand loosens a little, the screwdriver head will not be separated from the groove of the screw, which can play an anti-slip effect.

[0016] 4. For this type of anti-slip acceleration screwdriver, when tightening the screw, one hand holds the rod body and the other hand rotates the active rotating tube rod clockwise, the active rotating tube rod drives the second wedge block to rotate, and the second wedge block pushes the first wedge block to rotate, so that the first wedge block drives the rod body to rotate via the passive rotating rod. After the rotation angle is greater than 120 degrees, the active rotating tube rod is rotated counterclockwise, and the active rotating tube rod drives the second wedge block to rotate counterclockwise. After the inclined surface of the second wedge block abuts against the inclined surface of the first wedge block, it continues to rotate, so that the second wedge block moves into the reset cavity, so that the second reset spring is compressed and rotated to make the second wedge block pass over the first wedge block. Under the action of the elastic potential energy of the second reset spring, the second wedge block extends out, and then rotates clockwise, and the second wedge block can push the passed first wedge block to rotate, which saves time and effort and improves efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a structural schematic diagram of an anti-slip accelerating screwdriver of the utility model;

[0019] Figure 2 It is a structural cross-sectional view of an anti-slip disassembly member and an anti-slip tightening member of an anti-slip accelerating screwdriver of the utility model;

[0020] Figure 3 The utility model is a cross-sectional view of the structure of a wedge-shaped rotating part of an anti-dropping accelerating screwdriver.

[0021] In the figure: 1. rod body; 2. anti-slip and easy-to-disassemble part; 3. connecting rod; 4. screwdriver head; 5. anti-slip tightening part; 6. passive rotating rod; 7. wedge-shaped rotating part; 8. active rotating tube rod; 9. plug-in plate; 10. plug-in slot; 11. spring limit latch; 12. tightening rod; 13. tightening slot; 14. limit tightening block; 15. first return spring; 16. first wedge-shaped block; 17. second wedge-shaped block; 18. return chamber; 19. second return spring. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0023] Example: Figure 1 , Figure 2 and Figure 3As shown, the utility model is an anti-slip accelerating screwdriver, comprising a rod body 1, one end of the rod body 1 is connected to a connecting rod 3 via an anti-slip convenient disassembly part 2, an end of the connecting rod 3 away from the rod body 1 is connected to a screwdriver head 4, and an anti-slip tightening part 5 is provided at the connection between the screwdriver head 4 and the connecting rod 3; the other end of the rod body 1 is provided with a passive rotating rod 6, the outer wall of the passive rotating rod 6 is connected to an active rotating tube rod 8 via a wedge-shaped rotating part 7, and the end of the active rotating tube rod 8 close to the rod body 1 is connected to the passive rotating rod 6 via a bearing.

[0024] Among them, the anti-slip and easy-to-disassemble part 2 includes a plug-in plate 9 with a rectangular cross-section and is arranged at the end of the connecting rod 3. The end of the rod body 1 is provided with a plug-in slot 10 matching the plug-in plate 9. A spring limiting pin 11 for limiting the plug-in plate 9 is embedded on the rod body 1. A limiting hole matching the telescopic end of the spring limiting pin 11 is opened on the plug-in plate 9. When replacing a screwdriver head 4 of different types, it is only necessary to pull the power rod of the spring limiting pin 11 to separate the limiting end of the spring limiting pin 11 from the limiting hole on the plug-in plate 9, pull the connecting rod 3 outward, and the connecting rod 3 drives the plug-in plate 9 to move outward, so that the plug-in plate 9 is separated from the plug-in slot 10, and then the plug-in plate 9 of the screwdriver head 4 to be replaced is inserted into the inside of the plug-in slot 10. Under the action of the elastic potential energy of the spring limiting pin 11, the telescopic end of the spring limiting pin 11 is inserted into the limiting hole on the plug-in plate 9, and the replacement of screwdriver heads 4 of different types can be completed.

[0025] Among them, the anti-slipping tightening member 5 includes a tightening rod 12 arranged at the rear end of the screwdriver head 4 and a tightening groove 13 opened at the end of the connecting rod 3 and matching the tightening rod 12, and a limiting tightening block 14 is provided at one end of the tightening rod 12 located inside the tightening groove 13, and a first return spring 15 connected to the limiting tightening block 14 is provided inside the tightening groove 13, and the limiting tightening block 14 and the tightening groove 13 are both designed as rectangles. When in use, a certain force is applied to the rod body 1 so that the screwdriver head 4 matches the groove of the screw, and the first return spring 15 is compressed. The first return spring 15 will apply a certain force to the screwdriver head 4 so that the screwdriver head 4 fits tightly with the groove of the screw. Loosening the hand a little will not cause the screwdriver head 4 to separate from the groove of the screw, which can play an anti-slipping role.

[0026] The wedge-shaped rotating member 7 includes three first wedge-shaped blocks 16 arranged on the outer wall of the passive rotating rod 6 in an annular shape and equidistantly distributed manner. The inner wall of the active rotating tube rod 8 is connected with a second wedge-shaped block 17 adapted to the first wedge-shaped block 16 through a reset component. The reset component includes a reset cavity 18 opened on the inner wall of the active rotating tube rod 8. The interior of the reset cavity 18 is provided with a plurality of second reset springs 19 connected with the second wedge-shaped block 17. When tightening the screw, one hand grasps the rod body 1 and the other hand rotates the active rotating tube rod 8 clockwise. The active rotating tube rod 8 drives the second wedge-shaped block 17 to rotate, and the second wedge-shaped block 17 pushes the first wedge-shaped block 16 to rotate, so that the first wedge-shaped block 16 is rotated through the passive rotating tube rod 8. The rod 6 drives the rod body 1 to rotate. After the rotation angle is greater than 120 degrees, the active rotating tube rod 8 is rotated counterclockwise. The active rotating tube rod 8 drives the second wedge block 17 to rotate counterclockwise. After the inclined surface of the second wedge block 17 abuts against the inclined surface of the first wedge block 16, it continues to rotate, so that the second wedge block 17 moves into the reset chamber 18, so that the second reset spring 19 is compressed, and the rotation causes the second wedge block 17 to pass over the first wedge block 16. Under the action of the elastic potential energy of the second reset spring 19, the second wedge block 17 extends out and then rotates clockwise. The second wedge block 17 can push the first wedge block 16 that has passed over to rotate, which saves time and effort and improves efficiency.

[0027] The outer wall of the active rotating tube rod 8 is provided with anti-slip grooves to facilitate the rotation of the active rotating tube rod 8 .

[0028] When working, this kind of anti-slip accelerating screwdriver, through the anti-slip disassembly component 2, is convenient for disassembling and assembling the screwdriver head 4, and also avoids the screwdriver head 4 from falling off the rod body 1, thereby improving the stability of the screwdriver head 4 installed on the rod body 1; through the anti-slip pressing component 5, a certain force can be applied to the screwdriver head 4, so that the screwdriver head 4 and the groove of the screw are closely fitted, thereby preventing the screwdriver head 4 from falling off the screw; and through the wedge-shaped rotating component 7, when the active rotating tube rod 8 is rotated clockwise, the passive rotating rod 6 is driven to rotate, and when it is rotated counterclockwise, the active rotating tube rod 8 will not drive the passive rotating rod 6 to rotate, so that the manual resetting of the active rotating tube rod 8 can be completed, and the hand has also completed the resetting, and then the active rotating tube rod 8 is continued to be rotated, and the passive rotating rod 6 can be continued to be driven to rotate, which plays a role of saving time and labor, and also improves efficiency.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An anti-dropping accelerating screwdriver, comprising a rod body (1), characterized in that: One end of the rod body (1) is connected to a connecting rod (3) via an anti-slip and easy-to-disassemble part (2); an end of the connecting rod (3) away from the rod body (1) is connected to a screwdriver head (4); an anti-slip tightening part (5) is provided at the connection between the screwdriver head (4) and the connecting rod (3); the other end of the rod body (1) is provided with a passive rotating rod (6); the outer wall of the passive rotating rod (6) is connected to an active rotating tube rod (8) via a wedge-shaped rotating part (7); and an end of the active rotating tube rod (8) close to the rod body (1) is connected to the passive rotating rod (6) via a bearing.

2. The anti-dropping accelerating screwdriver according to claim 1, characterized in that: The anti-dropping and easy-to-disassemble component (2) comprises a plug-in plate (9) which is arranged at the end of the connecting rod (3) and has a rectangular cross-section; the end of the rod body (1) is provided with a plug-in groove (10) which matches the plug-in plate (9); a spring limit pin (11) which limits the plug-in plate (9) is embedded in the rod body (1); and a limit hole which matches the telescopic end of the spring limit pin (11) is opened on the plug-in plate (9).

3. The anti-dropping accelerating screwdriver according to claim 1, characterized in that: The anti-dropping tightening member (5) comprises a tightening rod (12) arranged at the rear end of the screwdriver head (4) and a tightening groove (13) formed at the end of the connecting rod (3) and matching with the tightening rod (12); a limiting tightening block (14) is provided at one end of the tightening rod (12) located inside the tightening groove (13); a first return spring (15) connected to the limiting tightening block (14) is provided inside the tightening groove (13); and the limiting tightening block (14) and the tightening groove (13) are both rectangular.

4. The anti-dropping accelerating screwdriver according to claim 1, characterized in that: The wedge-shaped rotating member (7) comprises three first wedge-shaped blocks (16) arranged in an annular shape and equidistantly on the outer wall of the passive rotating rod (6), and the inner wall of the active rotating rod (8) is connected to a second wedge-shaped block (17) adapted to the first wedge-shaped blocks (16) via a reset assembly.

5. The anti-dropping accelerating screwdriver according to claim 4, characterized in that: The reset assembly comprises a reset cavity (18) formed on the inner wall of the active rotating tube rod (8), wherein a plurality of second reset springs (19) connected to the second wedge blocks (17) are arranged inside the reset cavity (18).

6. The anti-dropping accelerating screwdriver according to claim 1, characterized in that: The outer wall of the active rotating tube rod (8) is provided with anti-slip grooves.

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