TW201707868A - Ratchet wrench with driving member replacement efficiency - Google Patents

Abstract

A ratchet wrench with high efficiency of driving member replacement includes a wrench body having a head and a handle, a ratchet ring, a direction switching member, a ratchet block, a cover fixed on the head, and a limiter disposed between the cover and the head. A first containing space passes through the head, and is laterally connected to a second containing space. The ratchet ring is rotatably disposed in the first containing space and has a polygonal inner bore for receiving a driving member. The direction switching member is disposed in the second containing space, and rotatable and pressable against the second containing space. When the direction switching member rotates, the ratchet ring unidirectionally drives the driving member. When the direction switching member is pressed, the limiter slides to optionally engage or release the driving member.

Description

Ratchet wrench for quick replacement of drive parts

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

For example, Taiwan Patent No. I490088 discloses a wrench tool with a clamping device, which mainly comprises a wrench body; a tool holder is disposed on the wrench body, the tool seat is provided with a set of slots, and a protruding wrench body is provided. a convex ring, the outer ring surface of the convex ring is provided with at least one slot for connecting the sleeve groove; a sliding sleeve is provided with a sliding slot for the convex ring sleeved on the tool holder, and is convex at one end of the sliding groove At least one of the card abutting portions disposed in the slot of the tool holder is disposed, and the card abutting portion is protruded from the fitting groove of the tool holder. Thereby, the tool is positioned by the rigid snap-on tool of the push-over collar to prevent the tool from being positioned away from the wrench tool during operation.

However, the aforementioned wrench tool must be machined with a slot in the tool holder so that the abutting portion of the shift collar is placed in the slot, and the slot is connected to any inner corner of the sleeve, thus causing the tool holder The structural strength is affected and the manufacturing process is complicated.

Moreover, the shifting collar is disposed on the bottom surface of the wrench tool. Therefore, in use, the wrench body must be held by one hand, and the other hand is pushed to push the collar, so that the operation is less convenient and cannot be operated quickly.

In order to solve the above problems, the present invention discloses a ratchet wrench capable of quickly replacing a driving member, wherein the reversing member has a rotating operation mode action and a pressing operation mode, and the ratchet ring can generate a one-way drive in the rotation operation mode. In the pressing operation mode, the limiting plate can be driven to slip so that the driving member is disengaged from the wrench body.

In order to achieve the above object, the present invention provides a ratchet wrench capable of quickly replacing a driving member, comprising: a wrench body having a head and a handle extending from one end of the head, the head having a spacing and oppositely disposed a first side surface and a second side surface, the first side surface and the second side surface are disposed through a first receiving groove, and the first receiving groove side is connected to a second receiving groove; a ratchet ring is rotatably disposed on In the first pocket, the ratchet ring has a polygonal inner corner hole for engaging a driving member; a reversing member is disposed in the second pocket and can generate a rotating operation mode with respect to the second pocket And a pressing operation mode; a ratchet block is disposed between the first pocket and the second pocket, and in the rotating operation mode, the reversing member urges the ratchet block to engage the ratchet ring to generate the ratchet ring a one-way drive; a top cover fixed to the head; and a limit plate disposed between the top cover and the head, and when the reversing member is in the pressing operation mode, the limit plate is caused to be along Reciprocating slip in the direction of the axis of the vertical first pocket for selective Latch or release the drive member.

The top cover has a movable slot and a through slot, and the movable slot is used for receiving the limiting plate; and the limiting plate has a latching end and a flange located in the through slot, and the latching end is used for the latching drive And the flange is pressed by the reversing member to cause the limit plate to slip.

One end of the second pocket is laterally connected to a spring slot for receiving a spring, and the spring holds the limiting plate to cause the normal state to be clamped to the driving member.

Thereby, the overall structure of the present invention does not require an additional switch to achieve the clamping or release of the drive member, has the advantages of simplifying the components and facilitating operation. In addition, in actual operation, the user can hold the handle and directly press the reversing member to perform the action of fastening or releasing the driving member, which is quite convenient to use, and provides convenience in use.

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. The various items in the embodiments are set forth in proportion to the description and not in the

Referring to FIG. 1 to FIG. 6 , the ratchet wrench 100 of the present invention for quickly replacing the driving component comprises:

A wrench body 10 has a head 11 and a handle 12 extending from one end of the head 11. The head 11 has a first side 111 and a second side 112. The first side 111 and the second side 112 extend through a first recess 13 and the first recess 13 is circular. A side groove 14 is defined adjacent to the second side surface 112, and a side groove 14 is provided with a card slot 141. In addition, the first side surface 111 is disposed adjacent to the shank portion 12 with a platform 15 having a lower height than the first side surface 111, and a front surface thereof and a side surface adjacent to the first housing groove 13 are respectively provided with a slope 151, the platform 15 The trailing edge and adjacent the handle 12 have a receptacle 16.

The head portion 11 is connected to a circular second receiving groove 17 on one side of the first receiving groove 13, and the second receiving groove 17 is longitudinally recessed from the platform 15. In addition, a third cavity 18 is formed between the first receiving slot 13 and the second receiving slot 17 and is in the shape of a meniscus. The third receiving slot 18 is open to the second side 112, and the second receiving slot 17 is open. The rear side further includes a laterally communicating spring slot 19 for receiving a spring 191.

A ratchet ring 20 is rotatably disposed in the first housing 13. A plurality of ratchet teeth 21 are provided on the outer circumference ring of the ratchet ring 20. In addition, the ratchet ring 20 has a polygonal inner corner hole 22 for engaging a driving member 200. The driving member 200 is a sleeve having a ring groove 201 at one end thereof, as shown in FIG.

A reversing member 30 is disposed in the second receiving slot 17 and can generate a rotating operation mode and a pressing operation mode with respect to the second receiving slot 17, that is, the reversing member 30 can be opposite to the second receiving slot 17 Produces rotation and lifting action.

A receiving portion 31 is recessed on the front side of the reversing member 30, and a bottom portion 32 is formed on the lower edge of the receiving portion 31. The bottom portion 32 is laterally provided with a receiving hole 33 for receiving a holding device 34. The holding device 34 includes a top holding cylinder 341 and an elastic member 342 received therein. The elastic member 342 can hold the top holding cylinder 341 against a ratchet block 40 to engage the ratchet ring 20 Some ratchets 21. The ratchet block 40 is disposed in the third pocket 18, and the ratchet block 40 has a ratchet portion 41 on the front side thereof, and a mounting portion 42 is disposed on the rear side surface for receiving the receiving portion 31.

The top end of the reversing member 30 further has an operating portion 35 exposed to the second receiving slot 35. Through the turning operation portion 35, the holding device 34 can push the ratchet block 40 to engage one side of the ratchet block. The ring 20, in turn, achieves the effect of the one-way drive of the ratchet ring 20.

Further, the operating portion 35 of the reversing member 30 is provided with a ring slope 351 at the bottom edge. Further, a second return spring 17 is provided with a return spring 36 which is wide at the lower end and narrow at the upper end. The bottom surface of the second receiving slot 17 has a recess 37 for receiving the lower end of the return spring 36, and the upper end of the return spring 36 is supported by the bottom edge of the reversing member 30 to move the reversing member 30 toward the platform 15. Top hold. In this way, when the reversing member 30 is pressed by an external force and the external force is greater than the pre-force of the return spring 36, the reversing member 30 is allowed to settle relative to the second pocket 17, and when the external force is removed, the reversing member 30 is reset to the original position. According to this, the reversing member 30 is caused to generate a lifting displacement in the second pocket 17.

A top cover 50 secures the head 11. Preferably, the top cover 50 is snugly placed on the platform 15. It is located on the same side as the operation portion 35 of the reversing member 30. An inclined edge 51 is disposed on each of the two ends of the top cover 50 for abutting against the two inclined surfaces 151, and the other end of the top cover 50 is provided with a convex portion 52 disposed at the insertion hole 16. In addition, the top cover 50 has a rectangular movable groove 53 on one side thereof, and the top cover 50 has a through hole 54 communicating with the movable groove 53. The through hole 54 is coaxially disposed with the second receiving groove 17 for the reversing member 30 to pass through. And the operation unit 35 is exposed.

A limiting plate 60 is disposed between the top cover 50 and the head 11. In the present invention, the limiting plate 60 is disposed on the movable groove 53 of the top cover 50. The limiting plate 60 has a latching end 61 and a blocking portion 62 disposed oppositely. The latching end 61 is concavely curved, and the blocking portion 62 is located in the spring slot 19 and is abutted by the spring 191. The pushing end is such that the latching end 61 is normally clamped to the ring groove 201 of the driving member 200, so that the driving member 200 is stably fixed to the head portion 11 of the wrench body 10.

The limiting plate 60 has a through slot 63 between the latching end 61 and the blocking portion 62. The through slot 63 is coaxially disposed with the second receiving slot 17 and can allow the reversing member 30 to extend. And a flange 64 on one side of the inner edge of the groove 63 corresponds to the ring slope 351 of the reversing member 30, whereby when the reversing member 30 is pressed, the ring slope 351 can push the flange 64 to force the limit. The plate 60 slides in the direction of the shank portion 12, and the latching end 61 can be disengaged from the ring groove 201. In this way, when the reversing member 30 is in the pressing operation mode, the limiting plate 60 can be caused to reciprocate in the direction of the axis of the vertical first receiving slot 13 for selectively clamping or releasing the driving member 200.

A bottom cover 70 has a joint portion 71 at one end, a cover portion 72 at the other end, and a set of holes 73 between the joint portion 71 and the cover portion 72. The joint portion 71 of the bottom cover 70 is disposed on the side groove 14, and the cover portion 72 is coupled to the opening of the third pocket 18 to prevent the ratchet block 40 from coming out of the head portion 11. The bottom cover 70 is fastened to the slot 141 through a C-shaped buckle 80. The sleeve 73 of the bottom cover 70 is provided for the end of the driving member 200.

As shown in FIG. 4, in the normal state, the reversing member 30 is pushed up by the return spring 36, so that the reversing member 30 does not push with the limiting plate 60, and the limiting plate 60 is pushed by the spring 191. Therefore, the limiting plate 60 has a tendency toward the first receiving slot 13 so that the latching end 61 of the limiting plate 60 is engaged with the ring groove 201 of the driving member 200, so that the driving member 200 can be stably Engaged in the head 11 for subsequent work.

As shown in FIG. 5 and FIG. 6 , when the reversing member 30 is pressed by an external force, the reversing member 30 is caused to settle down relative to the second pocket 17 to be compressed by the return spring 36, and the operation of the reversing member 30 is performed. The ring slope 351 of the portion 35 pushes the flange 64 of the limiting plate 60 to force the limiting plate 60 to be displaced in the direction of the shank 12 in the movable groove 53 to disengage the latching end 61 of the limiting plate 60. The ring groove 201 of the piece 200 allows the driving member 200 to be removed from the second side 112 of the head 11.

Accordingly, the present invention can quickly displace the driving member 200 from the head portion 11 by pressing the operation of the reversing member 30, thereby achieving the purpose of facilitating replacement of the driving member 200.

In summary, the reversing member 30 of the present invention can be used not only as a reversing operation, but also for quickly clamping or releasing the driving member 200, so that the entire structure does not need to be additionally provided with a switch to achieve the locking or release of the driving member 200. This has the advantage of simplifying the components and facilitating operation.

It is worth mentioning that, in actual operation, the user can directly press the reversing member 30 by the handle 12 and perform the action of fastening or releasing the driving member 200, which is quite convenient to use and provides convenient use. Sex.

While the invention has been described in terms of a preferred embodiment, the various embodiments may The above embodiments are merely illustrative of the invention and are not intended to limit the scope of the invention. All modifications or changes made without departing from the spirit of the invention are within the scope of the invention.

100‧‧‧ Ratchet wrench for quick replacement of drive parts
11‧‧‧ head
112‧‧‧ second side
13‧‧‧First pocket
141‧‧‧ card slot
151‧‧‧Bevel
17‧‧‧Second cavity
19‧‧‧Spring slot
20‧‧‧ ratchet ring
22‧‧‧ inner corner hole
31‧‧‧ receiving area
33‧‧‧Top hole
341‧‧‧Top holding tube
10‧‧‧Wrench body
111‧‧‧ first side
12‧‧‧ handle
14‧‧‧ side slot
15‧‧‧ platform
16‧‧‧ jack
18‧‧‧ third cavity
191‧‧ spring
21‧‧‧ ratchet
30‧‧‧Reversing parts
32‧‧‧ bottom
34‧‧‧Top holding device
342‧‧‧Flexible components
35‧‧‧Operation Department
36‧‧‧Return spring
40‧‧‧ ratchet block
42‧‧‧Installation Department
51‧‧‧ slanted edge
53‧‧‧ Activity slot
60‧‧‧Limited board
62‧‧ ‧ blocking
64‧‧‧Flange
71‧‧‧Combination
73‧‧‧ Set of holes
200‧‧‧ drive parts
351‧‧‧ring bevel
37‧‧‧ Groove
41‧‧‧ ratchet
50‧‧‧Top cover
52‧‧‧ convex
54‧‧‧Perforation
61‧‧‧ Card terminal
63‧‧‧through slot
70‧‧‧ bottom cover
72‧‧‧
80‧‧‧C buckle
201‧‧‧ Ring groove

Fig. 1 is a schematic view showing the appearance of the present invention. FIG. 2 is an exploded perspective view of the present invention. FIG. 3 is an exploded perspective view of another perspective of the present invention. [Fig. 4] is a schematic cross-sectional view of the present invention, with the table driving member attached to the head. [Fig. 5] is a schematic view (1) of the state of use of the present invention, and the table reversing member is pressed to push the limit plate. [Fig. 6] is a schematic view (2) of the state of use of the present invention, and the table driving member is taken away from the head.

100‧‧‧ Ratchet wrench for quick replacement of drive parts

11‧‧‧ head

112‧‧‧ second side

13‧‧‧First pocket

141‧‧‧ card slot

16‧‧‧ jack

18‧‧‧ third cavity

191‧‧ spring

21‧‧‧ ratchet

30‧‧‧Reversing parts

32‧‧‧ bottom

34‧‧‧Top holding device

342‧‧‧Flexible components

351‧‧‧ring bevel

37‧‧‧ Groove

10‧‧‧Wrench body

111‧‧‧ first side

12‧‧‧ handle

14‧‧‧ side slot

15‧‧‧ platform

17‧‧‧Second cavity

19‧‧‧Spring slot

20‧‧‧ ratchet ring

22‧‧‧ inner corner hole

31‧‧‧ receiving area

33‧‧‧Top hole

341‧‧‧Top holding tube

35‧‧‧Operation Department

36‧‧‧Return spring

40‧‧‧ ratchet block

41‧‧‧ ratchet

50‧‧‧Top cover

53‧‧‧ Activity slot

60‧‧‧Limited board

62‧‧ ‧ blocking

64‧‧‧Flange

71‧‧‧Combination

73‧‧‧ Set of holes

200‧‧‧ drive parts

42‧‧‧Installation Department

52‧‧‧ convex

54‧‧‧Perforation

61‧‧‧ Card terminal

63‧‧‧through slot

70‧‧‧ bottom cover

72‧‧‧

80‧‧‧C buckle

201‧‧‧ Ring groove

Claims (15)

A ratchet wrench capable of quickly replacing a driving member, comprising: a wrench body having a head and a handle extending from one end of the head, the head having a spacing and oppositely disposed one of the first side and a first a second side, the first side surface and the second side surface are disposed through a first receiving groove, the first receiving groove side is connected to a second receiving groove; a ratchet ring is rotatably disposed on the first receiving space In the slot, the ratchet ring has a polygonal inner corner hole for engaging a driving member; a reversing member is disposed in the second receiving slot and can generate a rotating operation mode with respect to the second receiving slot and a pressing operation mode; a ratchet block disposed between the first pocket and the second pocket, and in the rotating operation mode, the diverting member urges the ratchet block to engage the ratchet ring, Making the ratchet ring unidirectionally driven; a top cover fixed to the head; and a limiting plate disposed between the top cover and the head, and when the reversing member is in the pressing operation In the mode, the limiting plate can be caused to move along the axis perpendicular to the first receiving groove Slip, for selectively engaging or releasing the driving member. The ratchet wrench of the quick-change driver of the present invention, wherein the top cover has a through hole, the limiting plate has a through slot, and the through hole is coaxial with the through slot and the second receiving slot. For the reversing member to extend. The ratchet wrench for quickly replacing the driving member according to claim 1, wherein the side cover has a movable slot on one side for receiving the limiting plate. The ratchet wrench of the quick-changeable drive member of claim 2, wherein the limiting plate has a latching end and a flange located in the through slot, the latching end for latching the driving component, The flange is urged by the reversing member to cause the limiting plate to slip. The ratchet wrench capable of quickly replacing the driving member according to claim 4, wherein the latch end is concavely curved. The ratchet wrench for quickly replacing the driving component according to claim 4, wherein the second receiving slot is provided with a return spring for holding the reversing member. The ratchet wrench for quickly replacing the driving component according to claim 6, wherein the bottom surface of the second receiving slot has a recess for receiving one end of the return spring, and the other end of the return spring is supported by the replacement To the bottom edge of the piece. The ratchet wrench for quickly replacing the driving component according to claim 1, wherein one end of the second receiving slot is laterally connected to a spring slot for receiving a spring, and the spring holds the limiting plate to make the normal card掣 该 on the drive. The ratchet wrench for quickly replacing the driving member according to claim 8, wherein one end of the limiting plate is longitudinally disposed for the spring to abut. The ratchet wrench of the quick-change drive member of claim 1, wherein the reversing member is recessed with a receiving area, and the rear side of the ratchet block is convexly disposed with a mounting portion for receiving in the receiving area. The ratchet wrench of the driving member can be quickly replaced, wherein the lower edge of the receiving area has a bottom, and the bottom has a receiving hole for accommodating a holding device, and the top of the holding device Hold on the ratchet block. The ratchet wrench of the quick changeable drive member of claim 1, wherein the first side is provided with a platform adjacent to the handle for the top cover to be placed. A ratchet wrench for quickly replacing a drive member according to claim 12, wherein the platform has an insertion hole adjacent to one end of the handle, and the top cover has a convex portion for inserting and positioning. The ratchet wrench for quickly replacing the driving member according to claim 1, further comprising a bottom cover, the bottom cover allowing the end of the driving member to pass through, and the bottom cover is disposed on the first through a C-shaped buckle A receptacle is adjacent to the second side. A ratchet wrench capable of quickly replacing a driving member, comprising: a wrench body having a head and a handle extending from one end of the head, the head having a spacing and oppositely disposed one of the first side and a first a second side, the first side surface and the second side surface are disposed through a first receiving groove, the first receiving groove side is connected to a second receiving groove, and the first side surface is adjacent to the handle portion and a platform is recessed The second pocket is laterally connected to a spring slot; a ratchet ring is rotatably disposed in the first pocket, the ratchet ring has a polygonal inner corner hole for engaging a driving member; Provided in the second tank, and capable of generating a rotary operation mode and a pressing operation mode with respect to the second tank; a ratchet block disposed in the first tank and the second tank And in the rotating operation mode, the reversing member urges the ratchet block to engage the ratchet ring to cause the ratchet ring to generate a one-way drive; a top cover is fixed to the platform, and the top cover There is an active slot between the platform and the platform; Positioned in the movable slot, the limiting plate has a latching end at one end for latching the driving member, and a flange at the other end; and a spring disposed on the spring slot for abutting a limiting plate, such that the card end of the limiting plate normally latches the driving member; thereby, when the reversing member is pressed, the reversing member can push the flange to urge the card The end is disengaged from the drive member such that the drive member is removed from the inner corner aperture.