TWI649163B - Quickly replace the ratchet wrench of the drive - Google Patents

Abstract

The utility model relates to a ratchet wrench for quickly replacing a driving component, which is mainly provided with a rotating ring which can be turned by a user on the working end of the ratcheting wrench, and the dialing ring can be linked to a plate provided at the working end when the dialing ring is turned The clutch is moved to a carded position or a retracted position. In the clamping position, the locking portion of the plate-type clutch member is engaged in a clamping groove of the driving member engaged with the ratchet of the ratchet wrench, thereby positioning the driving member so as not to be disengaged from the ratchet wrench; When the unloading position, the locking portion is separated from the clamping groove, so the driving member can be replaced.

Description

Quickly replace the ratchet wrench of the drive

The present invention relates to a ratchet wrench, and more particularly to a ratchet wrench that can quickly replace a drive member.

The ratchet wrench is a hand tool that can control the direction of the idling, allowing the operator to continuously rotate the workpiece (screw, bolt or nut) without removing the wrench. It is an extremely widely used and important hand tool. Since the size, size, and type of the workpiece are different in different applications, the driving members for driving the workpieces are also different. In order to facilitate the matching of a ratchet wrench with different driving members, a detachable combination mode between the ratchet wrench and the driving member is required to facilitate replacement of the driving member. In a patent TWI529036, a reversing member for controlling the ratcheting of a ratchet wrench is used as a key component for engaging and disengaging the driving member, and the reversing member is not only driven by the user to move left and right to change the ratcheting direction, but also above The lower actuation controls the engagement and detachment of the drive member. The reversing member has to bear the movements of the left, right, upper and lower directions. If one of the movements is blocked, the steering wheel of the ratchet wrench and the engaging/disengaging action of the driving member are all invalidated.

In order to solve the above problems, the present invention proposes a ratchet wrench for quickly replacing a driving member.

A ratchet wrench for quickly replacing a driving component, comprising: a positioning ring formed on an upper wall surface of a working end of a ratchet wrench; a dial rotating sleeve rotatably sleeved on the positioning ring, including a rotating portion and a lifting a moving portion; the outer circumferential surface of the actuating portion has a plurality of centripetal grooves and a convex portion in a centrifugal direction, the groove and the convex portion are spaced apart; and a receiving groove is formed on the upper wall surface of the working end Adjacent to the positioning ring, the positioning ring is provided with an opening toward the receiving slot; the receiving slot is provided with a spring according to the long axis direction of the ratchet wrench; a cover is shielded and fixed to the receiving slot; The clutch member is slidably disposed in the cover, and the end portion of the plate-type clutch member includes a locking portion and a pushing portion, and the engaging portion and the pushing portion are directed toward the dialing ring a moving portion; the end of the plate-shaped clutch member away from the dial ring is abutted by the spring; the plate-type clutch member is slidable to a clamping position and a retracting position; in the clamping position, the plate type is disengaged The pushing portion of the piece is locked in the groove of the actuating portion, and the engaging portion is engaged in a locking groove of a driving member coupled to the ratchet of the ratchet wrench; Positioned, the convex portion of the actuating portion is pushed against the pushing portion of the plate type clutch member, and the locking portion is separated from the clamping groove.

In a preferred embodiment, the outer peripheral surface of the rotating portion is provided with a slip preventing pattern.

In a preferred embodiment, the groove and the convex portion are connected by a slope wall.

In a preferred embodiment, the groove bottom of the accommodating groove is recessed downwardly with a spring groove, and the spring is disposed in the spring groove; the plate type clutch member includes a tail piece extending into the spring groove and is used by the spring Attend the top.

In a preferred embodiment, the locking portion extends beyond the pusher portion in a horizontal direction along the plate-type clutch member.

In a preferred embodiment, the accommodating groove is recessed downwardly from the bottom of the groove, and the plate-shaped clutch member has a long perforation corresponding to the swivel space, and the cover has a swivel hole corresponding to the swivel The space, the rotary shaft of a reversing member of the ratchet wrench is positioned in the swivel space by the elongated perforation.

In a preferred embodiment, the inside of the cover has a plate slot open to the opening of the positioning ring, and the plate type clutch member is slidably disposed in the plate groove.

The effect of the invention:

The user can control the plate type clutch to slide in a carding position and a retreat position by dialing the dial ring, thereby clamping or releasing the driving member.

When the user holds the ratchet wrench, the finger can be touched and turned by the finger, which is convenient and labor-saving.

The present invention utilizes the rotational actuation of the dial to translate into horizontal slip of the plate-type clutch.

The rotating action of the dial ring is performed on the horizontal surface of the working end of the ratchet wrench, and the sliding movement of the plate type clutch member is also performed on the horizontal surface of the working end of the ratchet wrench, and the driving direction of the engaging and dismounting driving member of the present invention And the way to eliminate vertical and vertical movement.

The design of the present invention separates the means for controlling the engagement and disengagement of the drive member with the reversing members for controlling the direction of rotation of the ratchet, respectively, without interference.

10‧‧‧Working end

11‧‧‧ratchet space

12‧‧‧ tooth space

13‧‧‧Upper wall

32‧‧‧Rotary hole

33‧‧‧ board slot

40‧‧‧ plate type clutch parts

41‧‧‧ Spring

14‧‧‧ positioning ring

141‧‧‧ openings

15‧‧‧fasteners

16‧‧‧ accommodating slots

161‧‧‧Swing space

162‧‧‧Spring slot

17‧‧‧ side wall

20‧‧‧dial ring

21‧‧‧Rotation

211‧‧‧Slip

22‧‧‧Activity Department

221‧‧‧ Groove

222‧‧‧ convex

223‧‧‧ Slope

30‧‧‧ Cover

31‧‧‧Fixed components

42‧‧‧Long perforation

43‧‧‧Card Department

44‧‧‧Feeling

45‧‧‧ tail block

50‧‧‧ ratchet

51‧‧‧Reversing tooth block

52‧‧‧Reversing parts

521‧‧‧Rotary axis

522‧‧ ‧bar

523 ‧ ‧ spring

524‧‧‧ linkages

53‧‧‧Seal

54‧‧‧ buckle

60‧‧‧ drive parts

61‧‧‧ratchet

62‧‧‧ card slot

The first picture is a three-dimensional appearance of the creation.

The second figure is an exploded perspective view of the creation of the top view.

The third figure is an exploded view of the direction of the creative looking up.

The fourth picture is one of the cross-sectional view and action diagram of the creation.

The fifth picture is the second section of the cross-sectional view and action diagram of the creation.

The sixth picture is a cross-sectional view of the fourth figure VI-VI.

The seventh picture is a cross-sectional view of the fifth figure VII-VII.

For the convenience of the description, the central idea expressed by the present invention in the column of the above summary of the invention is expressed by the specific embodiments. Various items in the embodiments are depicted in terms of ratios, dimensions, amounts of deformation, or displacements that are suitable for illustration, and are not drawn to the proportions of actual elements, as set forth above.

As shown in the first to fourth figures, the working end 10 of the ratchet wrench of the present invention is provided with a ratchet space 11 and a tooth space 12, and a ratchet 50 and a buckle 53 are combined by a piece 53 combined with the working end 10. A reversing tooth block 51 is placed in the ratchet space 11 and the block space 12, respectively, and the ratchet 50 and the ratchet teeth of the reversing tooth block 51 mesh with each other.

A positioning ring 14 is protruded from the upper wall surface 13 of the working end 10 to the position of the ratchet wheel 50. The positioning ring 14 is sleeved with a dial ring 20 for locking a fastener 15 according to the positioning ring 14 The dial ring 20 is restrained from being disengaged from the positioning ring 14, and the dial ring 20 is rotated about the positioning ring 14 when subjected to a turning external force. The dial ring 20 includes a rotating portion 21 and an actuating portion 22 located under the rotating portion 21; the outer circumferential surface of the rotating portion 20 has a sliding rib 211, and the outer circumferential surface of the actuating portion 22 has a plurality of directions a groove 221 in the center direction and a convex portion 222 in the centrifugal direction, the groove 221 and the convex portion 222 are spaced apart, and the groove 221 and the convex portion 222 are connected by a slope wall 223, and the slope wall 223 is as follows. The sixth and seventh figures are shown. The outer circumferential surface of the rotating portion 21 slightly protrudes from the side wall 17 of the working end 10 to facilitate the user's finger to contact the rotating portion 21 to dial the dial ring 20.

An upper receiving surface 16 of the working end 10 is adjacent to the positioning ring 14 , and the positioning ring 16 is disposed. 14 is provided with an opening 141 communicating with the receiving groove 16 . The accommodating groove 16 has a rotating space 161 and a spring groove 162 recessed downward from the bottom of the groove; a spring 41 is disposed in the spring groove 16. A cover 30 is disposed in the accommodating groove 16 by the two fixing members 31. The cover 30 has a rotary hole 32 communicating with the rotary space 161. The rotary shaft 521 of a reversing member 52 passes through the rotary hole. 32, into the swivel space 161, the lever 522 of the reversing member 52 is located outside the cover 30.

The inside of the cover 30 has a plate slot 33 open to the opening 141 of the positioning ring 14. The plate slot 33 is slidably provided with a plate type clutch member 40. The sliding direction of the plate type clutch member 40 is directed toward The positioning ring 14 reciprocates. The plate-type clutch member 40 has an elongated perforation 42 for the rotation shaft 521 of the reversing member 52 to pass through, and the reversing member 52 does not affect the sliding of the plate-type clutch member 40. The plate type clutch member 40 has a locking portion 43 and a pushing portion 44. The pushing portion 44 is located above the locking portion 43, and the locking portion 43 is at a level along the plate type clutch member 40. The direction is extended beyond the push portion 44. The plate-type clutch member 40 extends into the spring groove 162 with a tail piece 45. The two ends of the spring 41 respectively abut against the groove wall of the spring groove 162 and the tail piece 45.

As shown in the fourth and fifth figures, the rotating shaft 521 of the reversing member 52 is provided with a spring 523 and abuts against a linking member 524, and the linking member 524 pushes the reversing tooth block 51. The linkage 524 is driven by the reversing member 52 to vertically adjust the reversing tooth block 51, thereby changing the driving direction of the ratchet 50 and the idling direction of the wrench. This is a conventional technique and will not be described here.

As shown in the first, fourth, and sixth figures, the plate-type clutch member 40 is fed to the opening 141 of the positioning ring 14 to a locking position by the elastic force of the spring 41, and the locking portion 43 passes through the positioning ring 14 The opening 141 protrudes radially into the ratchet space 11 and is located above the ratchet 50, so that the operation of the ratchet 50 is not affected; meanwhile, the push portion 44 is located in one of the recesses of the actuating portion 22 of the dial ring 20. A driving member 60 (in the illustrated embodiment is a sleeve, but is not limited thereto) is sleeved in the slot 221 by the ratchet portion 61. In the case of 50, the driving member 60 has an annular locking groove 62 into which the locking portion 43 of the plate-type clutch member 40 is engaged, so that the driving member 60 is engaged in the ratchet 50 without Will fall down. When the wrench is rotated in the working direction, the ratchet 50 can synchronously drive the driving member 60 to rotate, and the driving member 60 can loosen a workpiece.

For example, in the fifth and seventh figures, when the driver 60 is to be detached and replaced, the user can manually turn the rotating portion 21 of the dial ring 20, and the actuating portion 22 pushes the plate type clutch member 40 with the convex portion 222. The pushing portion 44 retracts the plate-type clutch member 40 away from the driving member 60 to a retracting position, and compresses the spring 41, thereby disengaging the locking portion 43 of the plate-type clutch member 40. The clamping groove 62 of the driving member 60 can be detached from the ratchet 50. The convex portion 222 abuts the push portion 44, and holds the plate-type clutch member 40 in the retracted position to replace other types of driving members.

As shown in the fourth and sixth figures, after the driving member 60 is replaced, the dial ring 20 can be turned again, the convex portion 222 is turned away from the pushing portion 44, and the groove 221 is switched to the corresponding pushing portion. 44. The release of the spring 41 can push the plate-type clutch member 40 to the above-mentioned clamping position. The groove 221 based on the actuating portion 22 and the convex portion 222 are connected by a slope wall 223. Therefore, when the dial ring 20 rotates, the slope wall 223 generates a sliding force on the pushing portion 44, so that The groove 221 and the convex portion 22 can smoothly switch to correspond to the push portion 44.

Claims (7)

The utility model relates to a ratchet wrench for quickly replacing a driving component, comprising: a positioning ring formed on an upper wall surface of a working end of a ratchet wrench: a dial ring rotatably sleeved on the positioning ring, comprising a rotating portion and an actuating portion The outer circumferential surface of the actuating portion has a plurality of centripetal grooves and a convex portion in the centrifugal direction, the groove and the convex portion are spaced apart; a receiving groove is formed on the upper wall surface of the working end and adjacent to The positioning ring has an opening facing the accommodating groove; a spring is disposed in the accommodating groove according to the long axis direction of the ratchet wrench; a cover is shielded and fixed to the accommodating groove; and a plate type clutch a slidably disposed in the cover, the end of the plate-type clutch member includes a locking portion and a pushing portion, the engaging portion and the pushing portion facing the actuating portion of the dial ring The end of the plate-type clutch member away from the dial ring is abutted by the spring; the plate-type clutch member is slidable to a carding position and a retreat position; in the carding position, the plate type clutch member is The pushing portion is locked in the recess of the actuating portion, and the engaging portion is clamped in a joint a snap groove of a driving member of the ratchet wrench; in the retracting position, the convex portion of the actuating portion is pushed against the pushing portion of the plate type clutch member, and the locking portion is disengaged from the card Slotting. The ratchet wrench for quickly replacing the driving member according to claim 1, wherein the outer peripheral surface of the rotating portion is provided with a slip preventing pattern. The ratchet wrench for quickly replacing the driving member according to claim 1, wherein the groove and the convex portion are connected by a slope wall. The ratchet wrench for quickly replacing the driving member according to claim 1, wherein the groove bottom of the receiving groove A spring groove is disposed in the recess, and the spring is disposed in the spring groove; the plate type clutch member includes a tail piece extending into the spring groove and being abutted by the spring. A ratchet wrench for quickly replacing a driving member as claimed in claim 1, wherein the engaging portion extends beyond the pushing portion in a horizontal direction along the plate-type clutch member. The ratchet wrench for quickly replacing the driving member according to claim 1, wherein the receiving groove has a rotating space recessed downward from the bottom of the groove, the plate type clutch member having a long perforation corresponding to the rotating space, the cover There is a rotary hole corresponding to the swivel space, and the rotary shaft of a reversing member of the ratchet wrench is positioned in the swivel space through the long perforation. The ratchet wrench for quickly replacing the driving member according to claim 1, wherein the inside of the cover has a plate slot open to the opening of the positioning ring, and the plate type clutch member is slidably disposed in the plate groove.