TWI611873B - Reversing ratchet wrench structure improvement - Google Patents

Description

Reversing ratchet wrench structure improvement

The present invention relates to a ratchet wrench, and more particularly to a structural improvement of a reversing ratchet wrench.

Please refer to FIG. 1 to FIG. 3 , which are a perspective view, an exploded view and a cross-sectional view of the prior art, wherein the ratchet wrench comprises a head 1 , and a top surface of the head 1 is provided with a groove 2 . The head 1 is provided with a ratchet 3, a ratchet block 4 and a switching unit 5, and the switching unit 5 is provided with a limiting slot 7 in which an elastic member 8 and an abutment are disposed. The top member 9 is abutted against the elastic member 8, so that one side of the abutting member 9 is exposed by the limiting slot 7 and abuts against one side of the ratchet block 4, so that The ratchet 3 and the ratchet block 4 can be engaged with each other, and the top of the switching unit 5 is provided with a dialing member 6 in the recess 2, and the dialing member 6 can rotate in the recess 2 and can be rotated. The inner wall of both sides of the groove 2 is resisted, so that the dial member 6 is resisted by the groove 2 to reach the limit position.

However, the groove 2 of the head 1 is a method of cutting, and the processing method thereof makes the manufacturing process of the head 1 complicated and time consuming. Therefore, after observing the above disadvantages, the inventor of the present invention thinks that the conventional ratchet wrench still has A further improvement is necessary to produce the invention.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a structural improvement of a reversing ratchet wrench that overcomes the complexity and time consuming use of conventional ratchet wrenches in the head manufacturing process.

In order to achieve the above object, the reversing ratchet wrench of the present invention is improved in structure, the ratchet wrench includes: a handle and a head, wherein the head has a top surface and a bottom surface, and the head A sulking groove and a control slot are respectively disposed on the bottom surface, and a ratchet wheel is disposed in the accommodating groove, and a slanting groove is disposed between the accommodating groove and the control slot, and a spine is slidably disposed in the slanting groove The tooth block has a ring groove on the bottom surface of the head, and a switching unit is disposed in the control slot, the top end of the switching unit is provided with a dialing member on a top surface of the head, and one end of the switching unit is abutted Stopping the ratchet block, and rotating the switching unit through the dialing of the dialing member, causing the ratchet block to be laterally displaced in the ratchet groove, and the ring groove of the head is further provided with a bottom plate, and The ratchet wrench further includes a limiting member disposed transversely to the bottom of the switching unit, and the limiting member is located in the annular groove, and the two ends of the limiting member are divided into a first abutting end and a first The second end, the limit member has a first position and a second position, when the limit When the member is driven by the dialing member and is in the first position, the first abutting end can abut against the inner wall of the ring groove, and the limiting member is driven by the reverse direction of the dialing member to be in the second position. The second abutting end can be abutted against the inner wall of the other side of the ring groove; thereby, the dial member can be brought to the limit by the limiting member.

The structure of the reversing ratchet wrench provided by the present invention is improved, and the first abutting end can be abutted against the inner wall of the ring groove side when the limiting member is rotated to the first position by the dialing member When the limiting member is driven by the reverse direction of the dialing member and is in the second position, the second abutting end can abut against the inner wall of the other side of the ring groove, so that the dial member can be used by The limiting member reaches the limit position, thereby overcoming the complicated and time-consuming advantages of the conventional ratchet wrench in the groove manufacturing process of the head.

Please refer to FIG. 4 to FIG. 7 , which are a perspective view, an exploded view, a partial cross-sectional view of the side surface, and an internal structure diagram of the bottom plate after disassembling, and the structure of the reversing ratchet wrench is improved. Its system contains:

A handle portion 10, one end of the handle portion 10 is provided with a recess 11 corresponding to the longitudinal direction of the central axis.

A head 20 is disposed at one end of the recess 11 of the handle 10. The handle 10 and the head 11 are pivotally connected to each other by a pivot shaft 203. Please continue to refer to FIG. 6 and FIG. The head portion 10 has a corresponding top surface 201 and a bottom surface 202. The head portion 10 is provided with a receiving groove 21 on the bottom surface 202, which is circular, and the central axis of the receiving groove 21 is vertical. A control slot 22 is disposed on the bottom surface 202 adjacent to the handle portion 10, and the control slot 22 passes through the top surface 201. The control slot 22 is circular, and the central axis of the control slot 22 is received. The center axis of the groove 21 is parallel to each other, and a slanting groove 23 is defined between the accommodating groove 21 and the control groove 22. The inner walls of the two sides of the slanting groove 23 respectively have a resisting section 231, and the bottom surface 202 is provided. A ring groove 24.

A ratchet wheel 30 is pivotally disposed in the receiving groove 21 of the head portion 20. The outer ring of the ratchet wheel 30 is provided with a plurality of driving teeth 31. The central axis of the ratchet wheel 30 is provided with a braking member 32. The braking member 32 is provided. In order to select a corresponding sleeve, it is used to pull a workpiece.

a ratchet block 40 is slidably disposed on the slanting groove 23 of the head portion 20, and the ratchet block 40 is provided with a plurality of ratchet teeth 41 on one side of the ratchet wheel 30, and the ratchet teeth 41 and the driving teeth 31 The two sides of the control block 22 have an abutting section 42 on the side of the control slot 22, and the ratchet block 40 has an abutting section 43 on one side of the control slot 22 Segment 43 presents a concave arc.

A switching unit 50 is disposed in the control slot 22, and the switching unit 50 includes a control member 52. The top end of the control member 52 is provided with a dial member 51, and the dial member 51 is located at the head portion 20. The top surface 201 is further provided with a limiting slot 521 in the direction of the ratchet block 40. The limiting slot 521 is provided with an elastic member 53 and an abutting member 54, and the elastic member 53 is a spring. The abutting member 54 is abutted by the elastic member 53 so that one side of the abutting member 54 is exposed by the limiting slot 521, and the exposed end of the abutting member 54 abuts against the abutting portion 43. One of the sides of the control member 52 is provided with a rectangular protrusion 522 on the bottom surface of the control member 52. The bottom member 54 is configured to abut against the resisting portion 231 of the ratchet groove 23 and the ratchet 30.

a limiting member 60 is disposed at the bottom of the switching unit 50, and the limiting member 60 is located in the annular groove 24, and the limiting member 60 is an elongated plate body, and the limiting member is A rectangular hole 61 is disposed in the corresponding rectangular protrusion 522, and the rectangular hole 61 is disposed on the rectangular protrusion 522. The two ends of the limiting member 60 are respectively a first abutting end 62 and a first The second end of the abutting end 63, the limiting member 60 has a first position and a second position, whereby when the limiting member 60 is driven by the dialing member 51 to be in the first position, the first The abutting end 62 can abut against the inner wall of the ring groove 24, and when the limiting member 60 is driven by the reverse direction of the dialing member 51, the second abutting end 63 can be resisted. The inner wall of the other side of the annular groove 24 causes the dial member 51 to be restricted.

A bottom plate 70 is fixed to the annular groove 24 of the head portion 20, and a bottom surface of the bottom plate 70 corresponding to the limiting member 60 is provided with a groove 71, and a rotation space 711 is formed to make the limit. The member 60 rotates within the recess 71.

For a further understanding of the structural features of the present invention, the application of the technical means, and the intended effect, the manner of use of the present invention will be described. It is believed that the present invention may be more deeply and specifically understood as follows:

Please continue to refer to FIG. 8 and FIG. 9 , which is a schematic diagram of the dial 51 of the present invention being rotated to the first position and a schematic diagram of the limiting member 60 rotating to the first position, when the user wants to perform the When the hour hand is tightened, the first abutting end 62 can abut against the inner wall of the ring groove 24 when the restricting member 60 is in the first position by the clockwise rotation of the dialing member 51. The triggering member 51 is caused to reach the limit by the limiting member 60, and one end of the abutting member 54 abuts against the side of the abutting portion 43 of the ratchet block 40, so that the ratchet block 40 is The abutting portion 42 resists the resisting portion 231 of the ratchet groove 23, and the driving teeth 31 of the ratchet block 40 and the ratchet teeth 41 of the ratchet wheel 30 are engaged with each other, so that the ratchet 30 and the ratchet block 40 are engaged. A carding function is formed for the ratchet wrench 100 to be turned clockwise.

Please refer to FIG. 10 and FIG. 11 , which are schematic diagrams of the dial 51 of the present invention being rotated to the second position and the rotation of the limiting member 60 to the second position, when the user wants to reverse When the hour hand is tightened, the second abutting end 63 abuts against the other side of the ring groove 24 when the restricting member 60 is in the second position by the counterclockwise rotation of the dialing member 51. The inner wall is configured to cause the dial member 51 to reach the limit position by the limiting member 60, and one end of the abutting member 54 abuts against the other side of the abutting portion 43 of the ratchet block 40, so that the inner side The abutting portion 42 of the ratchet block 40 resists the resisting portion 231 of the ratchet groove 23, and the driving teeth 31 of the ratchet block 40 and the ratchet teeth 41 of the ratchet wheel 30 are engaged with each other, so that the ratchet 30 and the The ratchet block 40 is formed with a snapping action for the ratchet wrench 100 to be reversible.

Hereafter, the features of the present invention and its achievable efficacy are stated as follows:

The structure of the reversing ratchet wrench provided by the present invention is improved, and the first abutting end 62 can abut against the annular groove 24 when the limiting member 60 is rotated and the first position is located in the first position. When the limiting member 60 is reversely rotated by the dialing member 51 to drive the limiting member 60 to be in the second position, the second abutting end 63 can abut against the annular groove 24 The inner wall of the other side causes the dialing member 51 to rotate to drive the limiting member 60 against the inner wall of the annular groove 24, so that the dialing member 51 reaches the limit position. Therefore, in the present invention The top surface 201 of the head 20 is a flat surface, so that the head 20 can be formed by powder metallurgy, which makes the manufacturing process simple and more time-saving, and the limiting member 60 is manufactured by stamping. The forming member 60 can also be mass-produced to replace the complicated and time-consuming advantages of the conventional ratchet wrench head manufacturing process.

In summary, the present invention has excellent advancement and practicability in similar products, and at the same time, the technical materials of such structures are frequently investigated at home and abroad, and the same structure is not found in the literature. The invention already has the invention patent requirements, and the application is filed according to law.

However, the above-mentioned ones are merely preferred embodiments of the present invention, and the equivalent structural changes of the present invention and the scope of the claims are intended to be included in the scope of the present invention.

[Use]
1‧‧‧ head
2‧‧‧ Groove
3‧‧‧ratchet
4‧‧‧ ratchet block
5‧‧‧Switch unit
6‧‧‧WD parts
7‧‧‧Limited parts
8‧‧‧Flexible parts
9‧‧‧After the top piece [this creation]
100‧‧‧ Ratchet Wrench
10‧‧‧ handle
11‧‧‧ Groove
20‧‧‧ head
201‧‧‧ top surface
202‧‧‧ bottom
203‧‧‧ pivot shaft
21‧‧‧ accommodating slots
22‧‧‧Control slot
23‧‧‧thorn groove
231‧‧‧ boycott
24‧‧‧ Ring groove
30‧‧‧ratchet
31‧‧‧ drive teeth
32‧‧‧Brakes
40‧‧‧ ratchet block
41‧‧‧ ratchet
42‧‧‧Abutment
43‧‧‧The top section
50‧‧‧Switch unit
51‧‧‧WD parts
52‧‧‧Controls
521‧‧‧ Limit slot
522‧‧‧Rectangular bumps
53‧‧‧Flexible parts
54‧‧‧After the top piece
60‧‧‧Limited parts
61‧‧‧ Rectangular hole
62‧‧‧First arrival end
63‧‧‧second end
70‧‧‧floor
71‧‧‧ Groove
711‧‧‧Rotating space

Figure 1 is a combination of conventional ratchet wrenches. Figure 2 is an exploded view of a conventional ratchet wrench. Figure 3 is a cross-sectional view of a conventional ratchet wrench. Figure 4 is a perspective view of the present invention. Figure 5 is an exploded view of the present invention. Figure 6 is a partial cross-sectional view of the side of the present invention. Figure 7 is a schematic view showing the internal structure of the substrate after disassembling the present invention. Figure 8 is a schematic view showing the dial of the present invention being turned to the first position. Figure 9 is a schematic view showing the rotation of the limit member of the present invention to the first position. Figure 10 is a schematic view showing the dial of the present invention being turned to the second position. Figure 11 is a schematic view showing the rotation of the stopper of the present invention to the second position.

20‧‧‧ head

21‧‧‧ accommodating slots

22‧‧‧Control slot

23‧‧‧thorn groove

24‧‧‧ Ring groove

30‧‧‧ratchet

31‧‧‧ drive teeth

32‧‧‧Brakes

40‧‧‧ ratchet block

41‧‧‧ ratchet

42‧‧‧Abutment

43‧‧‧The top section

50‧‧‧Switch unit

52‧‧‧Controls

522‧‧‧Rectangular bumps

54‧‧‧After the top piece

60‧‧‧Limited parts

61‧‧‧ Rectangular hole

62‧‧‧First arrival end

63‧‧‧second end

Claims (6)

The utility model relates to a structural improvement of a reversing ratchet wrench, the ratchet wrench comprising a handle portion and a head portion, wherein the head portion has a top surface and a bottom surface, and the head portion is respectively provided with a receiving groove and a bottom surface a control slot, the ratchet slot is internally provided with a ratchet wheel, and a slanting groove is disposed between the accommodating slot and the control slot, a ratchet block is slidably disposed in the slanting slot, and a bottom surface of the head is disposed a switching groove is disposed in the control slot, the top end of the switching unit is provided with a dialing member on a top surface of the head, and one end of the switching unit abuts the ratchet block and transmits the dialing The moving member is rotated to drive the switching unit to rotate, so that the ratchet block can be laterally displaced in the spinching groove, and the ring groove of the head is further provided with a bottom plate, the main feature of which is: a limiting member, which is laterally disposed At the bottom of the switching unit, the limiting member is located in the annular groove, and the two ends of the limiting member are divided into a first abutting end and a second abutting end, and the limiting member has a first a position and a second position, when the limiting member is driven by the dialing member and is in the first position When the first abutting end can abut against the inner wall of the ring groove side, and the limiting member is driven by the reverse direction of the dialing member, the second abutting end can be abutted The inner wall of the other side of the annular groove is stopped; thereby, the dial member is brought to the limit by the limiting member. The structure of the reversing ratchet wrench according to the first aspect of the patent application is improved, wherein the limiting member is an elongated plate body. The structure of the reversing ratchet wrench according to claim 1, wherein the first abutting end and the second abutting end are each a curved surface. According to the structural improvement of the reversing ratchet wrench according to claim 1, wherein the bottom plate is further provided with a groove corresponding to the position of the limiting member, and a rotation space is formed, so that the limiting member can be located in the concave portion. Rotate inside the slot. According to the structural improvement of the reversing ratchet wrench according to the first aspect of the invention, wherein the lower end of the switching unit is provided with a rectangular protrusion, and the limiting member is provided with a rectangular hole at a position corresponding to the rectangular protrusion, so that the A rectangular hole is threaded through the rectangular bump. According to the structural improvement of the reversing ratchet wrench according to the first aspect of the invention, wherein the switching unit further comprises a control member, the control member is provided with a limiting slot toward the ratchet slot, and the limiting slot is provided with a The elastic member and the abutting member are a spring, and the abutting member is abutted by the elastic member, so that one side of the abutting member is exposed by the limiting groove and abuts against the spine Tooth block.