TWI526282B - Replace the ratchet wrench - Google Patents

Description

Reversing ratchet wrench

The invention mainly discloses a ratchet wrench, in particular a reversing ratchet wrench.

Please refer to the "Reversible ratchet wrench with high torsion" patent of U.S. Patent No. 6,629,477, which is a reversible ratchet wrench having a handle and a ratchet ring, the ratchet ring The utility model is pivoted on the handle and can rotate relative to the handle. The user can use the ratchet ring to connect the sleeve, and the sleeve can directly cover the work object, such as a screw or a nut. Therefore, the user can drive the workpiece to rotate by turning the handle, and the ratchet wrench further includes a retainer member, a direction control member, a pressing member and an elastic member ( Elastic member), the ratchet block is swingably disposed in a retaining recess of the ratchet wrench and selectively meshes with the ratchet ring, and the dial is pivotally disposed in a receiving chamber of the ratchet wrench The pressing member and the elastic member are mounted on a first receiving recess of the dial, and the pressing member pushes the ratchet block by the elastic force of the elastic member, and the positioning piece can be pushed to push the ratchet when the dial is rotated. The position of the tooth block to change the direction in which the ratchet ring can be swayed.

However, when the ratchet wrench is assembled, the button is first placed into the chamber, and then the pressing member and the elastic member are disposed in the first receiving groove of the dial after passing through the chamber, and finally the ratchet block and the ratchet ring are sequentially arranged. In the ratchet wrench, the pressing member is more capable of abutting against the inside of the ratchet wrench and has a limit function for preventing the dial from being disengaged from the chamber. And the grease is injected inside the ratchet wrench, that is, between the ratchet block and the ratchet ring. In order to keep the ratchet block and the ratchet ring smoothly engaged or separated. And the ratchet wrench must not be completely sealed when assembled, so that the oil entering from the outside and the iron scraps generated by the ratchet ring and the ratchet block will accumulate inside the ratchet wrench, especially the oil and grease will accumulate in the ratchet ring and the ratchet. Between the blocks, the ratchet ring and the ratchet block cannot be smoothly meshed or separated. When the ratchet block and the ratchet ring cannot be separated again due to improper operation by the user, if the user continues to operate the handle of the ratchet wrench When the force is applied to the rotation, the pressing member may be deformed or damaged due to the excessive pressing of the ratchet block, and the ratchet wrench may lose the ratcheting function and cannot be used any more. Moreover, when the pressing member is excessively squeezed into the first receiving groove by the ratchet block, the limiting function of the pressing member is lost, and the problem that the button is disengaged from the chamber occurs, and the user is locked in the head-up posture. The work located above the head, the button off the chamber is more likely to hit the user's head directly and the work safety hazard.

Moreover, the ratchet wrench is used for a long time, and there must be moisture or sweat entering the ratchet wrench, causing the ratchet ring and the ratchet block to rust, and the ratchet ring and the ratchet block cannot be smoothly meshed or separated. It will also cause damage to the ratchet wrench.

In view of the above-described deficiencies of the prior art, the inventors have invented a reversing ratchet wrench that overcomes all of the disadvantages of the prior art described above.

The main purpose of the reversing ratchet wrench of the present invention is to provide a reversing ratchet wrench comprising: a body having an operating portion and a driving end remote from the operating portion, the body having a virtual rotating shaft, the virtual rotating shaft At the driving end of the body, the body is provided with an accommodating space and a receiving space at the driving end, and the accommodating space runs through the longitudinally different sides of the driving end of the main body along the axial direction of the virtual rotating shaft, the chamber Located in the body and connected to the accommodating space, the chamber along the virtual The radial direction of the rotating shaft is located on one side of the accommodating space and extends toward the operating portion of the body. The body is axially disposed with a hole along a virtual pivot axis, and the virtual pivoting axis and the virtual rotating shaft are parallel to each other. a hole connecting the chamber to the outside; a ratchet ring rotatably disposed along the virtual rotating shaft in the accommodating space of the body, the inner side of the ratchet ring is provided with a driving portion, and the outer ring of the ratchet ring is disposed away from the outer ring a ring gear portion of the driving portion; and a ratchet device including a dial button, a ratchet block, an elastic member and a top member, the dial being pivotally disposed on the body along the virtual pivot axis a hole having a first side adjacent to the ratchet ring, the second side being adjacent to the ratchet ring, the second side being away from the ratchet ring, the dial being along the virtual pivot axis The radial recess is provided with a ratchet slot extending from a first side of the dial to a second side of the dial, the dial protruding along a radial direction of the virtual pivot axis a contact portion capable of pushing the card to the ratchet a ratchet block, the ratchet block is swingably disposed between the ratchet ring and the dial, and the ratchet block is provided with a ratchet portion on a side of the ratchet ring. The ratchet portion of the ratchet block is selectively engaged or disengaged from the ring tooth portion of the ratchet ring, and the elastic member and the top member are sequentially disposed on the ratchet slot, and the top member is slidably disposed In the ratchet slot, one end of the top member abuts against the elastic member, and the top member protrudes away from the elastic member to protrude from the ratchet slot and abut against the ratchet block.

The top member is slidably disposed between the first position and the second position, and the contact portion is spaced apart from the first side outer surface of the button by a first length. One end of the piece remote from the elastic member is spaced apart from the first side outer surface of the button by a second length, and when the top piece is in the first position, the second length of the top piece is greater than the contact portion of the button a first length, the contact portion does not contact the ratchet block, and when the top jaw is in the second position, the second length of the top member is less than or equal to a first length of the contact portion of the dial, the contact portion Push the top of the ratchet block.

The body is provided with an abutting wall on a side of the receiving hole away from the receiving space, the second side of the button abuts against the abutting wall, and the dials are respectively axially different from each other along the virtual pivot axis Having a top surface and a bottom surface, the top surface and the bottom surface having a first height, the button has a chamfered portion, and the longitudinally different ends of the chamfered portion are respectively connected to the bottom surface and the second side And a second height between the longitudinally distinct ends of the chamfered portion, the second height being less than half of the first height.

The contact portion is integrally formed on the first side of the dial.

The cross-sectional shape of the contact portion taken in a direction parallel to the virtual pivot axis is a rectangle.

The hardness of the dial is greater than the hardness of the ratchet block.

The ratchet slot is recessed on the first side of the dial and does not penetrate the second side of the dial. The elastic member abuts the end of the top member against the slot bottom of the ratchet slot.

A side of the ratchet block away from the ratchet ring is provided with a recess, and the end of the top piece away from the elastic member abuts against the recess of the ratchet block.

A first fastening groove is disposed on the inner wall surface of the accommodating space, and a second fastening groove is disposed on the outer circumference of the ratchet ring, and the second fastening groove is connected to the first fastening groove. A C-shaped buckle is fastened to the first fastening groove and the second fastening groove.

The body forms two mutually opposite limiting portions between the chamber and the hole, and the top member selectively abuts one of the two limiting portions of the body to limit the button relative to the body Pivot angle.

Other objects, advantages and novel features of the invention will become apparent from the description and appended claims.

10‧‧‧ Ratchet Wrench

20‧‧‧ body

21‧‧‧Operation Department

22‧‧‧Driver

23‧‧‧ accommodating space

24‧‧ ‧ room

25‧‧‧ hole

26‧‧‧Abutment against the wall

27‧‧‧First card slot

28‧‧‧Limited Department

30‧‧‧ ratchet ring

31‧‧‧ Drive Department

32‧‧‧ Ring tooth

33‧‧‧Second card slot

34‧‧‧C-shaped buckle

40‧‧‧thorn device

41‧‧‧ dial

4101‧‧‧ first side

4102‧‧‧ second side

4103‧‧‧ top surface

4104‧‧‧ bottom

411‧‧‧Spine slot

412‧‧‧Contacts

413‧‧‧Chamfering

42‧‧‧ ratchet block

421‧‧‧ ratchet

422‧‧‧ recess

43‧‧‧Flexible parts

44‧‧‧Top conditions

L1‧‧‧ first length

L2‧‧‧ second length

H1‧‧‧ first height

H2‧‧‧second height

C‧‧‧Virtual shaft

S‧‧‧Virtual pivot axis

Figure 1 is a partial perspective view of the reversing ratchet wrench of the present invention.

2A is a partially exploded perspective view of the reversing ratchet wrench of the present invention.

2B is a partial perspective view of the reversing ratchet wrench of the present invention, showing the appearance of the dial.

Figure 3 is a longitudinal sectional structural view of the reversing ratchet wrench of the present invention.

4A is a schematic view showing the assembly of the reversing ratchet wrench of the present invention, showing that the dial is obliquely placed into the hole of the body.

Fig. 4B is a continuation of Fig. 4A, showing that the dial is placed in the bore of the body.

Fig. 4C is a continuation of Fig. 4B, showing that the top and the elastic members are sequentially placed into the dial.

Fig. 5 is a motion diagram of the reversing ratchet wrench of the present invention in a normal use state, showing the ratchet block engaging the ratchet ring.

Fig. 6 is another action diagram of the reversing ratchet wrench of the present invention in a normal use state, showing that the ratchet block is disengaged from the ratchet ring.

Fig. 7 is another operation diagram of the reversing ratchet wrench of the present invention in a normal use state, showing that the ratchet block is disengaged from the ratchet ring.

Fig. 8 is a motion diagram of the reversing ratchet wrench of the present invention after being stuck in oil, showing the ratchet block engaging the ratchet ring.

Fig. 9 is a view showing another action of the reversing ratchet wrench of the present invention after being stuck in oil stain, showing the top cymbal ratchet block.

FIG. 10 is another action diagram of the reversing ratchet wrench of the present invention after being used for oiling, indicating that the contact portion pushes the ratchet block to disengage the ratchet block from the ratchet ring.

The technology, means and functions of the present invention are described in detail with reference to the accompanying drawings.

1 , 2A, 2B and 3 are a perspective external view, an exploded perspective view and a cross-sectional view of the reversing ratchet wrench of the present invention. The ratchet wrench 10 of the present invention comprises a body 20, a ratchet ring 30 and a ratcheting device 40. The body 20 has an operating portion 21 and a driving end 22 remote from the operating portion 21. The operating portion 21 can be provided. The main body 20 has a virtual rotating shaft C, and the virtual rotating shaft C is disposed on the driving end 22 of the main body 20. The main body 20 is provided with an accommodating space 23 and a receiving chamber 24 at the driving end 22, The accommodating space 23 is disposed on the two sides of the driving end 22 of the body 20 in the axial direction of the virtual rotating shaft C. The receiving chamber 24 is located in the body 20 and communicates with the accommodating space 23, and the accommodating chamber 24 The radial direction of the virtual axis C is located on one side of the accommodating space 23 and extends in the direction of the operating portion 21 of the body 20 . The body 20 is axially disposed with a bore 25 along a virtual pivot axis S. The virtual pivot axis S and the virtual spindle C are parallel to each other, and the bore 25 communicates with the chamber 24 and the outside. The body 20 is provided with an abutting wall 26 on a side of the recess 25 away from the accommodating space 23, and the abutting wall 26 has a concave arc shape. The body 20 is provided with a first fastening groove 27 on the inner wall surface of the accommodating space 23 . The body 20 defines two limiting portions 28 opposite to each other between the chamber 24 and the bore 25 .

The ratchet ring 30 is rotatably disposed on the accommodating space 23 of the body 20 along the virtual axis of rotation C. The inner side of the ratchet ring 30 radially surrounds the virtual rotating shaft C with a driving portion 31. The outer edge of the ratchet ring 30 The virtual rotating shaft C is provided with a ring tooth portion 32 away from the driving portion 31 in the radial ring. A second fastening groove 33 is defined in the outer circumference of the ratchet ring 30, and the second fastening groove 33 of the ratchet ring 30 and the first fastening of the body 20 The slot 27 is in communication with each other, and a C-shaped retaining ring 34 is latched in the first retaining slot 27 and the second latching slot 33, so that the ratchet ring 30 cannot be disengaged from the receiving space 23 of the body 20.

The ratcheting device 40 includes a dial 41, a ratchet block 42, an elastic member 43, and a top member 44. The dial 41 is pivotally disposed along the virtual pivot axis S to the bore 25 of the body 20. The hardness of the dial 41 is greater than the hardness of the ratchet block 42. The button 41 has a first side 4101 and a second side 4102 away from the first side 4101. The first side 4101 of the button 41 is adjacent to the ratchet ring 30, and the second side 4102 of the button 41 is far away. The ratchet ring 30 abuts against the abutting wall 26, and the two ends of the dial 41 along the axially different pivot axis S have a top surface 4103 and a bottom surface 4104, respectively. The top surface 4103 and the bottom surface 4104 There is a first height H1. The dial 41 is provided with a ratchet slot 411 along the radial direction of the virtual pivot axis S. The ratchet slot 411 is directed to the button by the first side 4101 of the button 41. The second side 4102 of the 41 extends in a direction, the spinch slot 411 is recessed on the first side 4101 of the button 41 and does not penetrate the second side 4102 of the button 41. The button 41 is along the virtual pivot A contact portion 412 is formed in the radial direction of the rotating shaft S. The contact portion 412 is integrally formed on the first side 4101 of the button 41. The contact portion 412 does not contact the two limiting portions 28 of the body 20, and the contact portion The cross-sectional shape of the portion 412 taken in the direction parallel to the virtual pivot axis S is a rectangle. The contact portion 412 is spaced apart from the outer surface of the first side 4101 of the dial 41 by a first length L1, and the contact portion 412 is selectively pushed against the ratchet block 42. The dial 41 further has a chamfered portion 413. The two longitudinally different ends of the chamfered portion 413 are respectively connected to the bottom surface 4104 and the second side 4102, and the longitudinally different ends of the chamfered portion 413 have A second height H2 that is less than half of the first height H1.

Please refer to FIG. 4A to FIG. 4C simultaneously, which are schematic diagrams of assembly of the reversing ratchet wrench of the present invention. When the ratchet wrench 10 is assembled, as shown in FIG. 4A, the dial 41 can deviate from the virtual pivot axis S and obliquely move the contact portion 412 and the dial 41 away from the chamfered portion 413 and adjacent to the bottom surface 4104. One end first enters the bore 25 of the body 20. As shown in FIG. 4B, after the contact portion 412 enters the hole 25, the assembler can The knob 41 is rotated, and the chamfered portion 413 of the button 41 is inserted into the hole 25 so that the button 41 is pivotally disposed in the hole 25 of the body 20 along the virtual pivot axis S, and The second side 4102 of the toggle 41 abuts against the abutment wall 26. As shown in FIG. 4C, the assembler can sequentially set the elastic member 43 and the top member 44 to the ratchet slot 411 of the button 40 via the receiving space 23 of the body 20 and the chamber 24. The top member 44 prevents the button 41 from being disengaged from the bore 25 of the body 20.

The ratchet block 42 is swingably disposed between the ratchet ring 30 and the dial 41 of the body 20, and the ratchet block 42 is provided with a ratchet adjacent to the side of the ratchet ring 30. The portion 421 of the ratchet block 42 is selectively engaged or disengaged from the ring tooth portion 32 of the ratchet ring 30. A side of the ratchet block 42 away from the ratchet ring 30 is provided with a recess 422.

The elastic member 43 and the top member 44 are sequentially disposed on the spin-slot 411. One end of the elastic member 43 abuts against the bottom of the spin-slot 411. The elastic member 43 is a compression spring. The clamping member 44 is slidably disposed between the first position and the second position, and one end of the top member 44 abuts against the elastic member 43. The top member 44 is away from the elastic member. One end of the member 43 protrudes from the spin-slot 411 and is spaced apart from the outer surface of the first side 4101 of the dial 41 by a second length L2, and the end of the top member 44 away from the elastic member 43 abuts against the The concave portion 422 of the ratchet block 42 is slidably disposed on the ratchet slot 411 by the top member 44, so that the function of preventing the button 41 from being disengaged from the aperture 25 along the virtual pivot axis S can be achieved. The top member 44 can be simultaneously used to selectively abut one of the two limiting portions 28 of the body 20 to limit the pivoting angle of the button 41 relative to the body 20.

When the top jaw 44 is in the first position, the second length L2 of the top jaw 44 is greater than the first length L1 of the contact portion 412 of the dial 41, the contact portion 412 does not contact the ratchet block 42. When the top member 44 is in the second position, the second length L2 of the top member 44 is less than or equal to the first length L1 of the contact portion 412 of the button 41, and the contact portion 412 is pushed against the ratchet block 42. .

By the structural arrangement of the second height H2 of the chamfered portion 413 being less than half of the first height H1, the contact area between the second side 4102 of the dial 41 and the abutting wall 26 of the body 20 is from The second side 4102 of the dial 41 gradually increases toward the left and right sides of the dial 41. When the contact portion 412 pushes the ratchet block 42, the reaction force transmitted from the contact portion 412 can be dialed by the dial The contact area between the second side 4102 of the button 41 and the abutting wall 26 of the body 20 gradually increases toward the left and right sides of the button 41 to reduce the pressure on the second side 4102 of the button 41. The effect of the damage of the button 41 is avoided to increase the service life of the ratchet wrench 10.

Please refer to FIG. 5 to FIG. 7 for further actions of the reversing ratchet wrench of the present invention in a normal use state. When the ratchet wrench 10 is in use, the user can rotate the operating portion 21 to reversely rotate the body 20, the ratchet block 42 cannot drive the ratchet ring 30 to rotate, and the ratchet block 42 receives the ratchet ring 30. Pushing and disengaging from the ratchet ring 30, the ratchet block 42 further pushes the top jaw 44 to move relative to the ratchet slot 411, and finally the top jaw 44 compresses the elastic member 43, and the contact portion 412 is The ratchet block 42 is not in contact.

Please refer to FIG. 8 to FIG. 10 , which is an action diagram of the reversing ratchet wrench of the present invention after it is stuck in oil and continues to be used. When the inside of the ratchet wrench 10 is stuck with oil, oil may accumulate between the ratchet block 42 and the ratchet ring 30, so that the ratchet portion 421 of the ratchet block 42 cannot smoothly mesh or disengage from the ratchet ring 30. After the ring gear portion 32, that is, the ratchet block 42 is engaged with the ring tooth portion 32 of the ratchet ring 30, it cannot be separated from the ring tooth portion 32 of the ratchet ring 30 again, that is, the ratchet block 42 is stuck to the ratchet ring. 30. As shown in FIG. 8, which is a continuation of FIG. 5, the user operates the body 20 to rotate in the opposite direction. After the ratchet block 42 moves away from the ratchet ring 30, the contact portion 412 of the button 41 is finally pushed to the top. The concave portion 422 of the ratchet block 42 forcibly disengages the ratchet portion 421 of the ratchet block 42 from the ring tooth portion 32 of the ratchet ring 30, as shown in FIGS. 9 and 10, by the contact portion 412 of the dial 41 Pushing the ratchet block 42 to disengage the ratchet portion 421 of the ratchet block 42 from the ring tooth portion 32 of the ratchet ring 30, so that the user still does not leave the ratchet ring 32 without the ratchet ring 32. Continuously Improperly turning the ratchet wrench 10 causes a disadvantage that the ratchet block 42 excessively compresses the top jaw 44 to prevent the top jaw 44 from being damaged due to excessive pressure and preventing the ratchet wrench 10 from malfunctioning or being damaged.

At the same time, if the ratchet block 42 and the ratchet ring 30 are rusted, the ratchet portion 421 of the ratchet block 42 cannot be smoothly engaged or disengaged from the ring tooth portion 32 of the ratchet ring 30, and the contact of the dial 41 The portion 412 is similarly pushed into the recess 422 of the ratchet block 42 to disengage the ratchet block 42 from the ratchet ring 30, thereby preventing the ratchet wrench 10 from being damaged or damaged, and further preventing the top member 44 from being opposite to the spine. The movable slot 411 slides while achieving the effect of preventing the dial 41 from coming off the aperture 25.

After the contact portion 412 of the dial 41 hits the recess 422 of the ratchet block 42, the ratchet portion 421 of the ratchet block 42 is forcibly disengaged from the ring tooth portion 32 of the ratchet ring 30, and the ratchet wrench 10 is restored. To the normal use state as shown in FIG. 5 to FIG. 7 , after the ratchet block 42 is disengaged from the ratchet ring 30 , the top jaw 44 is urged by the elastic restoring force of the elastic member 43 to push the ratchet block 42 . The ratchet block 42 and the ratchet ring 32 are again in meshed with each other, thereby effectively preventing the ratchet block 42 from smoothly engaging or disengaging the ratchet ring 30, thereby causing the problem that the top piece 44 is damaged and deformed. The function of the ratchet wrench 10 product life can be improved by preventing the button 41 from coming off the hole 25.

As far as the above description is concerned, the present invention has the following advantages: 1. The reversing ratchet wrench of the present invention comprises a ratchet wrench having a body, a ratchet ring and a ratcheting device. The main body has an operating portion and a driving end away from the operating portion. The main body has a virtual rotating shaft. The virtual rotating shaft is disposed at a driving end of the main body. The main body is provided with a receiving space and a chamber at the driving end. The accommodating space extends through the longitudinally different sides of the driving end of the body along the axial direction of the virtual rotating shaft, and the receiving chamber is located in the body and communicates with the accommodating space, and the accommodating chamber is located along a radial direction of the virtual rotating shaft One side of the accommodating space extends toward the body operating portion, and the body is axially disposed with a hole along a virtual pivot axis, and the virtual pivot axis and the virtual rotating shaft are flush with each other The slewing ring is rotatably disposed in the accommodating space of the body along the virtual rotating shaft, and a driving portion is arranged on the inner side of the ratchet ring, and a ring is arranged on the outer side of the ratchet ring. a ring gear portion away from the driving portion; and the ratcheting device includes a dial button, a ratchet block, an elastic member and a top member, the dial being pivotally disposed on the body along the virtual pivot axis a hole having a first side adjacent to the ratchet ring, the second side being adjacent to the ratchet ring, the second side being away from the ratchet ring, the dial being along the virtual pivot axis a radial slot recessed with a contact portion along a radial direction of the virtual pivot axis, the ratchet slot being from the first side of the dial to the second side of the dial Extending in a direction, the contact portion is spaced apart from the first side outer surface of the button by a first length, the contact portion is selectively pushed against the ratchet block, and the ratchet block is swingably disposed on the body of the body a chamber is located between the ratchet ring and the dial, the ratchet block being adjacent to the ratchet ring a ratchet portion is disposed on the side, the ratchet portion of the ratchet block is selectively engaged with or disengaged from the ring tooth portion of the ratchet ring, and the elastic member and the top member are sequentially disposed in the ratchet slot. The top member is slidably disposed in the rattling slot and is changed between the first position and the second position, and one end of the top member abuts against the elastic member, and the top member is away from the end of the elastic member Projecting the spine slot and spacing a first length from the first side outer surface of the dial, the top of the top member abutting the ratchet block away from the end of the resilient member. When the top member is in the first position, the second length of the top member is greater than the first length of the contact portion of the dial, the contact portion does not contact the ratchet block. When the top member is in the second position, the second length of the top member is less than or equal to the first length of the contact portion of the dial, and the contact portion is pushed against the ratchet block.

The ratchet block is selectively pushed up by the dial contact portion to prevent the ratchet block from engaging the ratchet ring and cannot be detached from the ratchet ring again. The ratchet block is caused to excessively compress the top piece to prevent the top piece from being damaged due to excessive pressure and preventing the ratchet wrench from being damaged or damaged.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, so that the numerical values are changed or the equivalent elements are replaced, or the equivalent changes are made according to the scope of the present invention. Modifications are still within the scope of the invention patent.

10‧‧‧ Ratchet Wrench

20‧‧‧ body

21‧‧‧Operation Department

22‧‧‧Driver

23‧‧‧ accommodating space

24‧‧ ‧ room

25‧‧‧ hole

27‧‧‧First card slot

30‧‧‧ ratchet ring

31‧‧‧ Drive Department

32‧‧‧ Ring tooth

33‧‧‧Second card slot

34‧‧‧C-shaped buckle

40‧‧‧thorn device

41‧‧‧ dial

4101‧‧‧ first side

4102‧‧‧ second side

4103‧‧‧ top surface

4104‧‧‧ bottom

412‧‧‧Contacts

413‧‧‧Chamfering

42‧‧‧ ratchet block

421‧‧‧ ratchet

422‧‧‧ recess

43‧‧‧Flexible parts

44‧‧‧Top conditions

C‧‧‧Virtual shaft

S‧‧‧Virtual pivot axis

Claims (10)

A reversing ratchet wrench includes: a body having an operating portion and a driving end remote from the operating portion, the body having a virtual rotating shaft, the virtual rotating shaft being disposed at a driving end of the body, wherein the body is The driving end is provided with an accommodating space and a receiving space, and the accommodating space extends through the longitudinally different sides of the driving end of the main body along the axial direction of the virtual rotating shaft, and the receiving space is located in the body and communicates with the accommodating space The chamber is located on a side of the accommodating space in a radial direction of the virtual rotating shaft and extends in a direction of the body operating portion. The body is axially disposed with a hole along a virtual pivot axis, and the virtual pivot axis and the The virtual shafts are parallel to each other, and the bores communicate with the outside of the chamber; a ratchet ring is rotatably disposed along the virtual rotating shaft in the receiving space of the body, and a ratchet ring is disposed on the inner side of the ratchet ring. The outer ring is provided with a ring tooth portion away from the driving portion; and a ratchet device includes a dial button, a ratchet block, an elastic member and a top member, the dial along the virtual The pivot shaft is pivotally disposed on the bore of the body, the dial having a first side and a second side remote from the first side, the first side being adjacent to the ratchet ring, the second side being away from the ratchet a ring, a jog slot is recessed in a radial direction of the virtual pivot axis, the spine slot extending from a first side of the dial to a second side of the dial, the dial edge a radial contact portion of the virtual pivot shaft is provided with a contact portion capable of urging a ratchet block of the ratchet ring, the ratchet block being swingably disposed on the housing of the body and located at the ratchet ring Between the buttons, a side of the ratchet block adjacent to the ratchet ring is provided with a ratchet portion, and the ratchet portion of the ratchet block selectively engages or disengages with the ring tooth portion of the ratchet ring. And the top member is sequentially disposed on the ratchet slot, the top member is slidably disposed on the ratchet slot, and one end of the top member abuts against the elastic member, the top member is away from the One end of the elastic member protrudes from the ratchet slot and abuts against the ratchet block. The reversing ratchet wrench of claim 1, wherein the top member is slidably disposed in the ratchet slot and is changed between a first position and a second position, the contact portion and the first button The side outer surface is spaced apart by a first length, and the end of the top member away from the elastic member is spaced apart from the first side outer surface of the dial by a second length. When the top member is in the first position, the top cymbal The second length of the member is greater than the first length of the contact portion of the dial, the contact portion does not contact the ratchet block, and when the top member is in the second position, the second length of the top member is less than or equal to the a first length of the contact portion of the dial, the contact portion being pushed against the ratchet block. The reversing ratchet wrench of claim 2, wherein the body is provided with an abutting wall on a side of the receiving hole away from the accommodating space, and the second side of the dial abuts against the abutting wall, the button The two axially different ends along the virtual pivot axis respectively have a top surface and a bottom surface, the top surface and the bottom surface have a first height, the button has a chamfered portion, and the chamfered portion has a longitudinal phase The opposite ends are respectively connected to the bottom surface and the second side, and a longitudinal height of the chamfered portion has a second height between the two ends, the second height being less than half of the first height. The reversing ratchet wrench of claim 2 or 3, wherein the contact portion is integrally formed on the first side of the dial. The reversing ratchet wrench of claim 2 or 3, wherein the cross-sectional shape of the contact portion taken in a direction parallel to the virtual pivot axis is a rectangle. The reversing ratchet wrench of claim 2 or 3, wherein the dial has a hardness greater than a hardness of the ratchet block. The reversing ratchet wrench of claim 2 or 3, wherein the ratchet slot is recessed on the first side of the dial and does not penetrate the second side of the dial, the elastic member is away from the top member One end abuts against the bottom of the slot of the ratchet slot. The reversing ratchet wrench of claim 2 or 3, wherein a side of the ratchet block away from the ratchet ring is provided with a recess, and the end of the top piece away from the elastic member abuts against the recess of the ratchet block . The reversing ratchet wrench of claim 2 or 3, wherein the body is provided with a first fastening groove on the inner wall surface of the accommodating space, and a second fastening groove is disposed on the outer circumference of the ratchet ring. The second fastening slot is in communication with the first fastening slot, and a C-shaped buckle is engaged with the first fastening slot and the second fastening slot. The reversing ratchet wrench of claim 2 or 3, wherein the body forms two mutually opposite limiting portions between the chamber and the bore, the top jaw selectively abutting against the two of the body One of the limiting portions limits the pivoting angle of the dial relative to the body.