TWI769824B - Ratchet wrench - Google Patents

Abstract

A ratchet wrench includes a body, a reversing mechanism, and a ratchet gear. One end of the body is provided with a first end surface along a axial direction of a rotating axis, and the other end is provided with a second end surface. The body is provided with a groove along the axial direction of the rotating axis. The groove is connected to the first end surface and extends in a direction adjacent to the second end surface. The reversing mechanism is arranged on the second end surface. The ratchet gear can rotate relative to the body about the rotating axis. One end of the ratchet gear is provided with a driving portion, and the other end is provided with a connecting portion. The driving portion is arranged in the groove. A thumb plate is formed between two ends of the ratchet gear along a radial direction of the rotating axis. The driving portion, the connecting portion, and the thumb plate are formed in an integrated structure, The thumb plate is adjacent to the first end surface. Thus, the ratchet wrench can be quickly turned.

Description

Ratchet wrench with quick-turn function

The present invention mainly discloses a ratchet wrench, especially a ratchet wrench with a quick-turn function.

Please refer to Chinese Patent No. I530365 "Structural Improvement of Ratchet Wrench", which is a structural improvement of a ratchet wrench. One end of the nut in the fixed assembly has a limit ring, which is used to provide the fixation of the spring, and the other end is completely abutted on the bottom surface of the groove in the circular groove of the rotary control plate.

However, the above-mentioned ratchet wrench only provides a driving method for turning the handle. When the screw is in a loose state, the user cannot directly rotate the driving component to directly drive the screw to rotate rapidly.

In view of the lack of the above-mentioned conventional structure, the present inventor has designed a ratchet wrench with a quick-turn function, which can overcome all the shortcomings of the above-mentioned conventional structure.

The main purpose of the ratchet wrench with fast rotation function of the present invention is to provide a ratchet wrench including a body, a reversing mechanism and a ratchet head, and one end of the body along the axial direction of a virtual shaft is provided with a first end surface and The other end is provided with a second end surface, the body is provided with an accommodating groove along the axial direction of the virtual shaft, the accommodating groove is connected with the first end surface and extends in the direction adjacent to the second end surface, and the reversing mechanism is provided in the On the second end face, the ratchet head can rotate relative to the body around the virtual rotating shaft, one end of the ratchet head is provided with a driving part and the other end is provided with a connecting part, and the driving part is set in the accommodating groove, A dial is protruded between two ends of the ratchet head along the radial outer periphery of the virtual shaft. The driving part, the connecting part and the dial are integrally formed. The dial is adjacent to the first end face. A first turning portion is disposed along the radial outer periphery of the virtual rotating shaft, and the ratchet wrench can be quickly turned by the user through the above-mentioned structure.

The width of the first end surface along the radial direction of the virtual rotating shaft forms a first width, and the width of the first dial portion along the radial direction of the virtual rotating shaft forms a second width, and the first width is smaller than the second width.

One end of the body is provided with a head and the other end is provided with a handle connected to the head, the first end surface, the second end surface and the accommodating groove are arranged in the head, the head is along the virtual The radial outer periphery of the rotating shaft is provided with a side surface, the width of the side surface along the radial direction of the virtual rotating shaft forms a third width, the second width is smaller than the third width, and the handle portion extends radially along the virtual rotating shaft.

One end of the accommodating groove is connected to the first end surface and the other end is connected to the second end surface. The reversing mechanism is provided with a reversing dial, and the reversing dial can pivot relative to the ratchet head with the virtual rotation axis as the center , the reversing dial is provided with a second dialing portion along the radial outer periphery of the virtual rotating shaft, and the width of the second dialing portion along the radial direction of the virtual rotating shaft forms a fourth width, and the fourth width is larger than the The first width is smaller than the third width.

The reversing dial is provided with a pivot hole along the axis of the virtual rotating shaft, the inner periphery of the pivot hole is provided with a wide part and a narrow part, and the narrow part is arranged on the side of the wide part adjacent to the ratchet head, A shoulder is set between the wide part and the narrow part, a locking hole is recessed at one end of the driving part opposite to the connecting part, and the reversing mechanism is provided with a locking piece, the locking piece is inserted into the pivot One end of the hole is fixedly connected to the locking hole, and the locking piece abuts against the shoulder.

The inner periphery of the accommodating groove is provided with a first tooth portion, the reversing mechanism is provided with a ratchet block, the ratchet block is provided in the accommodating groove, and one side of the ratchet block is against the drive A second tooth portion is disposed on the other side, and the second tooth portion engages with the first tooth portion.

A first slot is recessed on the end face of the connecting portion opposite to the driving portion. The first slot is provided with six inner peripheral surfaces, and the six inner peripheral surfaces respectively extend in a direction parallel to the axial direction of the virtual rotating shaft. , the cross-sectional shape of the first slot along the radial direction of the virtual shaft is hexagonal, and the connecting portion is provided with six outer peripheral surfaces and six flanges along the radial outer periphery of the virtual shaft, and the six outer peripheral surfaces are respectively Extend along the direction parallel to the axial direction of the virtual shaft and correspond to the six inner peripheral surfaces, any one of the six flanges is arranged between two adjacent two of the six outer peripheral surfaces, and the six flanges are parallel to each other. The virtual rotating shaft extends in the axial direction.

The end face of the handle opposite to the head is provided with a second slot, and the cross-sectional shape of the second slot along the radial direction is hexagonal.

Other objects, advantages and novelties of the present invention will become more apparent from the following detailed description and the associated drawings.

Regarding the techniques, means and effects of the present invention, a preferred embodiment is given and described in detail in conjunction with the drawings.

Referring to FIG. 1 to FIG. 5 , it is a three-dimensional appearance view, a three-dimensional exploded view and a cross-sectional structure view of a ratchet wrench with a quick-turn function of the present invention. The ratchet wrench 10 of the present invention includes a body 20, a reversing mechanism 30 and a ratchet head 40; wherein:

The main body 20 is provided with a first end surface 21 at one end along the axial direction of a virtual rotation axis L and a second end surface 22 at the other end. The slot 23 is connected to the first end surface 21 and extends in a direction adjacent to the second end surface 22 .

The reversing mechanism 30 is disposed on the second end face 22 .

The ratchet head 40 can rotate relative to the main body 20 around the virtual rotation axis L. One end of the ratchet head 40 is provided with a driving part 41 and the other end is provided with a connecting part 42 , and the driving part 41 is arranged in the accommodating groove. 23, between the two ends of the ratchet head 40, a dial 43 is protruding along the radial outer periphery of the virtual rotation axis L. The driving part 41, the connecting part 42 and the dial 43 are integrally formed. The dial 43 is adjacent to the first end surface 21 , and a first dial portion 431 is disposed along the outer periphery of the dial 43 in the radial direction of the virtual rotation axis L. As shown in FIG.

The width of the first end surface 21 along the radial direction of the virtual rotation axis L forms a first width W1, the width of the first turning portion 431 along the radial direction of the virtual rotation axis L forms a second width W2, and the first width W1 is smaller than The second width W2.

One end of the main body 20 is provided with a head portion 24 and the other end is provided with a handle portion 25 connected to the head portion 24 . The first end surface 21 , the second end surface 22 and the accommodating groove 23 are provided in the head portion. 24, the head 24 is provided with a side surface 241 along the radial outer periphery of the virtual axis of rotation L, and the width of the side surface 241 along the radial direction of the virtual axis of rotation L forms a third width W3, and the second width W2 is smaller than the third width W3. With a width W3, the handle portion 25 radially extends along the virtual axis of rotation L.

One end of the accommodating groove 23 is connected to the first end surface 21 and the other end is connected to the second end surface 22 . The reversing mechanism 30 is provided with a reversing dial 31 , and the reversing dial 31 can take the virtual rotation axis L as The center pivots relative to the ratchet head 40, and the reversing dial 31 is provided with a second dial portion 311 along the radial outer periphery of the virtual rotation axis L, and the second dial portion 311 is radially arranged along the virtual rotation axis L. The width forms a fourth width W4, which is larger than the first width W1 and smaller than the third width W3.

A pivot hole 312 is drilled through the reversing dial 31 in the axial direction of the virtual rotation axis L. The inner periphery of the pivot hole 312 is provided with a wide portion 313 and a narrow portion 314 , and the narrow portion 314 is disposed on the wide portion 313 Adjacent to one side of the ratchet head 40 , a shoulder 315 is disposed between the wide portion 313 and the narrow portion 314 , and a locking hole 411 is recessed at the end of the driving portion 41 opposite to the connecting portion 42 . The mechanism 30 is provided with a locking piece 32 , the locking piece 32 is inserted into the pivot hole 312 and one end is fixedly connected to the locking hole 411 , and the locking piece 32 abuts against the shoulder 315 .

The inner periphery of the accommodating slot 23 is provided with a first tooth portion 231 , the reversing mechanism 30 is provided with a ratchet block 33 , and the ratchet block 33 is arranged in the accommodating groove 23 . One side abuts against the driving portion 41 and the other side is provided with a second tooth portion 331 , and the second tooth portion 331 engages with the first tooth portion 231 .

A first slot 421 is recessed on the end face of the connecting portion 42 opposite to the driving portion 41 . The first slot 421 is provided with six inner peripheral surfaces 422 , and the six inner peripheral surfaces 422 are respectively parallel to the virtual The shaft L extends in the axial direction, the cross-sectional shape of the first slot 421 along the radial direction of the virtual shaft L is hexagonal, and the connecting portion 42 is provided with six outer peripheral surfaces 423 along the radial outer periphery of the virtual shaft L. and six flanges 424, the six outer peripheral surfaces 423 respectively extend in the direction parallel to the axial direction of the virtual rotation axis L and correspond to the six inner peripheral surfaces 422, any one of the six flanges 424 is arranged on the six outer peripheral surfaces Between two adjacent ones of the surfaces 423 , the six flanges 424 extend in a direction parallel to the axial direction of the virtual rotation axis L respectively.

An end surface of the handle portion 25 opposite to the head portion 24 is provided with a second slot 251 , and the cross-sectional shape of the second slot 251 along the radial direction is hexagonal.

The ratchet wrench 10 can be quickly turned by the user through the above structure. When the ratchet wrench 10 is in use, if the screw is not tightened, the user can directly manually turn the first turning portion 431 and rotate the ratchet head 40, so that the screw can be quickly tightened or loosened, and By virtue of the setting of the dial 43 adjacent to the first end face 21 , the turning dial 31 of the reversing mechanism 30 can be disposed on the second end face 22 in the form of a dial for the user to easily switch directions.

From the above, it can be concluded that the present invention has the following advantages:

1. It is a ratchet wrench with a quick-turn function of the present invention, wherein the ratchet wrench includes a body, a reversing mechanism and a ratchet head, and the body is provided with a first end face along one end of a virtual axis of rotation and the other end is provided with There is a second end face, the main body is provided with an accommodating groove along the axial direction of the virtual shaft, the accommodating groove is connected with the first end face and extends in a direction adjacent to the second end face, and the reversing mechanism is arranged on the second end face. The end face, the ratchet head can rotate relative to the body around the virtual shaft, one end of the ratchet head is provided with a driving part and the other end is provided with a connecting part, the driving part is set in the accommodating groove, the ratchet head A dial is protruded between the two ends along the radial outer periphery of the virtual rotating shaft. The driving part, the connecting part and the dial are integrally formed. The dial is adjacent to the first end face. A first turning portion is disposed on the radial outer periphery of the virtual rotating shaft, and the ratchet wrench can be quickly turned by the user through the above-mentioned structure.

However, the above are only preferred embodiments of the present invention, and should not be used to limit the scope of implementation of the present invention. Therefore, any changes in numerical values or replacement of equivalent components, or equivalents made according to the scope of the patent application of the present invention Changes and modifications should still fall within the scope of the patent of the present invention.

10: Ratchet wrench 20: Ontology 21: The first end face 22: Second end face 23: accommodating slot 231: First tooth 24: Head 241: Side 25: Handle 251: Second slot 30: Reversing mechanism 31: Reversing dial 311: The second dial 312: Pivot hole 313: Wide part 314: Narrow part 315: Shoulder 32: Locks 33: Ratchet block 331: Second tooth 40: Ratchet head 41: Drive Department 411: Locking hole 42: Connection part 421: first slot 422: inner surface 423: Peripheral surface 424: Flange 43: Dial the dial 431: The first dialing department L: virtual reel W1: first width W2: Second width W3: third width W4: Fourth width

FIG. 1 is a three-dimensional appearance view of a ratchet wrench with a quick-turn function of the present invention. FIG. 2 is an exploded perspective view of the ratchet wrench with quick-turn function of the present invention. FIG. 3 is a cross-sectional structural view of the ratchet wrench with quick-turn function of the present invention. FIG. 4 is a cross-sectional structural view of the ratchet wrench with quick-turn function of the present invention from another perspective. FIG. 5 is a cross-sectional structural view of the connecting portion of the ratchet wrench with quick-turn function of the present invention.

10: Ratchet wrench

20: Ontology

24: Head

241: Side

25: Handle

251: Second slot

30: Reversing mechanism

31: Reversing dial

311: The second dial

40: Ratchet head

42: Connection part

431: The first dialing department

Claims (8)

A ratchet wrench with a quick-turn function, comprising: A body, one end of the body along the axial direction of a virtual shaft is provided with a first end face and the other end is provided with a second end face, the body is provided with an accommodating groove along the axial direction of the virtual shaft, the accommodating groove is connected to the a first end face and extending in a direction adjacent to the second end face; a reversing mechanism, the reversing mechanism is arranged on the second end face; A ratchet head, the ratchet head can rotate relative to the body with the virtual rotation axis as the center, one end of the ratchet head is provided with a driving part and the other end is provided with a connecting part, the driving part is set in the accommodating groove, the A dial is protruded between two ends of the ratchet head along the radial outer periphery of the virtual rotating shaft. The driving part, the connecting part and the dial are integrally formed. The dial is adjacent to the first end surface. The turntable is provided with a first turning portion along the radial outer periphery of the virtual shaft. The ratchet wrench with quick-turn function according to claim 1, wherein the width of the first end face along the radial direction of the virtual rotating shaft forms a first width, and the width of the first turning portion along the radial direction of the virtual rotating shaft forms a width A second width, the first width is smaller than the second width. The ratchet wrench with quick-turn function as claimed in claim 2, wherein one end of the body is provided with a head and the other end is provided with a handle connected to the head, the first end surface, the second end surface and the The accommodating groove is arranged on the head, and the head is provided with a side surface along the radial outer periphery of the virtual shaft. The width of the side along the radial direction of the virtual shaft forms a third width, and the second width is smaller than the first width. With three widths, the handle extends radially along the virtual axis of rotation. The ratchet wrench with quick-turn function as claimed in claim 3, wherein one end of the accommodating groove is connected to the first end surface and the other end is connected to the second end surface, the reversing mechanism is provided with a reversing dial, the reversing The directional dial can pivot relative to the ratchet head with the virtual rotating shaft as the center, and the reverse dial is provided with a second dialing portion along the radial outer periphery of the virtual rotating shaft, and the second dialing portion is along the virtual rotating shaft. The radial width forms a fourth width that is larger than the first width and smaller than the third width. The ratchet wrench with quick-rotation function as claimed in claim 4, wherein the reversing dial is provided with a pivot hole along the axial direction of the virtual rotating shaft, and the inner periphery of the pivot hole is provided with a wide portion and a narrow portion, The narrow portion is disposed on the side of the wide portion adjacent to the ratchet head, a shoulder portion is disposed between the wide portion and the narrow portion, and a locking hole is recessed at one end of the driving portion opposite to the connecting portion. A locking piece is provided to the mechanism, the locking piece is inserted into the pivot hole and one end is fixedly connected to the locking hole, and the locking piece abuts against the shoulder. The ratchet wrench with quick-turn function according to any one of claims 1 to 5, wherein the inner periphery of the accommodating groove is provided with a first tooth portion, the reversing mechanism is provided with a ratchet block, the ratchet The tooth block is arranged in the accommodating groove, one side of the ratchet block is abutted against the driving part, and the other side is provided with a second tooth part, and the second tooth part is engaged with the first tooth part. The ratchet wrench with quick-turn function as claimed in any one of claims 3 to 5, wherein a first slot is recessed on an end face of the connecting portion opposite to the driving portion, and the first slot is provided with six slots. inner peripheral surfaces, the six inner peripheral surfaces respectively extend in a direction parallel to the axial direction of the virtual rotating shaft, the cross-sectional shape of the first slot along the radial direction of the virtual rotating shaft is hexagonal, and the connecting portion is along the radial direction of the virtual rotating shaft There are six outer peripheral surfaces and six flanges on the outer peripheral edge, the six outer peripheral surfaces respectively extend along the direction parallel to the axial direction of the virtual shaft and correspond to the six inner peripheral surfaces, and any one of the six flanges is provided Between two adjacent ones of the six outer peripheral surfaces, the six flanges respectively extend in a direction parallel to the axial direction of the virtual shaft. The ratchet wrench with quick-turn function as claimed in claim 7, wherein the end face of the handle opposite to the head is provided with a second slot, and the cross-sectional shape of the second slot along the radial direction is hexagonal shape.

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