TWM478573U - Ratchet wrench with replaceable driver - Google Patents

Description

Ratchet wrench for replaceable drive parts

This creation relates to a ratchet wrench, and more particularly to a ratchet wrench for a replaceable drive member.

For example, Taiwan Patent No. I347247 discloses a ratchet wrench replacement structure including a wrench 50, a set of combined wheels 60, a tilting member 70, a cover sheet 56 and a fixing base 76. One end of the trigger lever 50 is provided with a head 51 having a wheel groove 52 and a dial 53. The inner wall surface of the dial 53 is formed with a receiving groove 54. Further, the cover piece 56 is locked on the top surface of the head 51. The cover piece 56 has a push-out notch 57 and a release notch 58; the cover wheel 60 is disposed in the wheel groove 52; the rocking member 70 is disposed in the dial groove 53, and the top surface of the rocking member 70 is provided with a connecting rod 73, in order to fix a push piece 75, so that the push piece 75 can be moved on the cover piece 56, and the fixing seat 76 is disposed in the receiving groove 54, the fixing seat 76 has a through hole 77, and a push is provided in the sliding portion. The column 78 is supported by an elastic member 79. The outer edge of the sleeve wheel 60 is provided with a limiting ring groove 62, and the middle portion of the rocking member 70 is provided with a limiting protrusion 72 and is limited to the limit. Ring groove 62.

When the pusher 75 on the swaying member 70 is pushed, the pusher blade 75 can drive the swaying member 70 to move to one side, so that the swaying member 70 can be unidirectionally engaged with the tying wheel 60, so that the tying wheel 60 is presented. One side rotation, the other side idles the ratchet action; and when the push piece 75 is pushed backward along the release notch 58, the swinging member 70 can be moved backwards synchronously, and the limiting protrusion 72 can be disengaged from the limit ring groove 62 to The swaying member 70 is no longer engaged with the splicing wheel 60, so that the splicing wheel 60 can be detached from the ejector lever 50 for replacing the ferrules 60 of different sizes.

However, although the foregoing structure can achieve the effect of replacing the sleeve wheel 60, the user needs to move the push piece 75 backwards in order to achieve the purpose of replacing the sleeve wheel 60, which is not convenient for use. .

In order to solve the above problems, the present invention discloses a ratchet wrench of a replaceable driving member, wherein the driving member can be detached from the head of the body to replace the driving members of different specifications to increase the practicality.

Therefore, the present invention provides a ratchet wrench for a replaceable driving member, comprising: a body having a handle and a head, wherein the head is provided with a driving member, a ratchet block and a reversing switch. The driving member is configured to receive a working piece, and a peripheral portion of the driving member is provided with a tooth portion; the reversing switch is movable between a reversing position and a non-commutated position, and a guide plate is disposed on the head portion The side, the guide plate and the ratchet block have a linkage relationship. When the reversing switch is in the reversing position, the ratchet block can be controlled to engage with the driving member. When the reversing switch is in the non-commutated position, the driving member can be taken from the head. Therefore, the drive parts of different sizes can be replaced to increase the practicality.

In order to achieve the above object, the driving member of the present invention is provided with a card slot at one end, and the ratchet block has a card block for engaging with the card slot, and the ratchet block has a guiding rod, and the guiding plate has a guiding The slot is received by one end of the guiding rod, the guiding slot has a first guiding area and a second guiding area, and a decoupling area is connected between the first guiding area and the second guiding area, so that when The switch is located in the reversing position, and the guiding rod is located in the first guiding area or the second guiding area, and when the reversing switch is in the non-reversing position, the guiding rod is located in the retreating area, so that the blocking block is relatively separated from the card slot, In order to enable the driving member to be separated from the head, the creation is in the process of replacement, and the switching and the switching operation of the driving member can be achieved by simply switching the switch to the switch, which is quite convenient in operation.

For the convenience of the description, the central idea expressed in the column of the above novel content is expressed by a specific embodiment. 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.

Referring to FIG. 1 to FIG. 3 , the ratchet wrench 1 of the replaceable driving component of the present invention comprises a body 10 , a driving member 20 , a ratchet block 30 , a reversing switch 40 and a guiding plate 50 .

The body 10 has a handle portion 11 and a head portion 12 extending from one end of the handle portion 11. The two sides of the head portion 12 are respectively a first plane 13 and a second plane 14, and the first plane 13 faces the second plane. A first accommodating groove 15 and a control groove 16 are defined in the recessed portion. A second accommodating groove 17 is disposed between the first accommodating groove 15 and the control groove 16. The first accommodating groove 15 and the second accommodating groove 17 are provided. And the control planes 16 are in communication with each other, wherein the second plane 14 is recessed with an inner groove 18 communicating with the first accommodating groove 15, the second accommodating groove 17 and the control groove 16; The first through hole 131 and the second through hole 132 communicate with the first receiving groove 15 , and the second through hole 132 communicates with the control groove 16 .

The driving member 20 is rotatably disposed in the first accommodating groove 15. The peripheral edge of the driving member 20 is provided with a tooth portion 21, and one end of the tooth portion 21 is provided with a card slot 22; and the driving member 20 is disposed at the top end. There is a release lever 23, the release lever 23 is exposed outside the first through hole 131 to be pressed, and the release lever 23 is sleeved with an elastic member 24, and a driving portion 25 is disposed at the bottom end of the driving member 20. It is a quadrangular D head and has a bead 26 on the side wall. By pressing the release lever 23, the card bead 26 can be selectively engaged or released to a working piece, wherein the working piece can be a sleeve.

In addition, a positioning member 27 is embedded on the periphery of the driving member 20, which may be a bead body and supported by an elastic body 28.

The ratchet block 30 is disposed in the second accommodating groove 17. The ratchet block 30 has a ratchet portion 31 on one side thereof, and a rectangular block 32 is disposed on the bottom edge of the ratchet portion 31 for clamping. On the other side of the ratchet block 30, a shaft portion 33 having a shaft hole 331 is defined. The shaft hole 331 can extend through a guide rod 34, and the end portion 341 of the guide rod 34 extends beyond the ratchet block. The bottom edge of 30.

The reversing switch 40 is pivotally disposed on the control slot 16 of the head 12 and is movable between a reversing position and a non-commutated position; wherein the reversing switch 40 has a toggle portion 41 at one end, and One end of the fork portion 42 is disposed with a spring slot 421 for receiving a compression spring 422, and a receiving portion 43 is disposed between the dial portion 41 and the fork portion 42, and the rear side of the reversing switch 40 is longitudinally disposed. A positioning groove 44 is disposed, and the dialing portion 41 of the reversing switch 40 can be exposed outside the second through hole 132 so as to be plucked by a user, and the receiving portion 43 can be used for accommodating the shaft portion 33, thereby making the fork portion 42 is received by the guide rod 34, and the compression spring 422 can be pushed against the circumference of the guide rod 34 to control the ratchet block 30 to engage the driving member 20 when the reversing switch 40 is in the reversing position.

An elastic device 60 is disposed on the wall surface of the control slot 16 for causing the reversing switch 40 to have a tendency to be held toward the ratchet block 30. The wall of the control slot 16 is provided with a hole 161, and the elastic device 60 A spring 61 and a steel ball 62 are disposed in the bore 161. The steel ball 62 is pushed by the spring 61 to abut against the positioning groove 44 of the reversing switch 40.

The guiding plate 50 is disposed in the inner groove 18, the guiding plate 50 has a guiding groove 51 at one end, and the other end has a constant hole 52. The guiding groove 51 is similar to a love shape, and has a first guiding area 511 and A second guiding area 512 is disposed on both sides. A first guiding area 511 and a second guiding area 512 are connected to a decoupling area 513. The decoupling area 513 is smaller than the first guiding area 511 and the second guiding area. The 512 is further away from the through hole 52, wherein the guiding groove 51 is allowed to pass through and move in the end portion 341 of the guiding rod 34, and in the reversing position of the reversing switch 40, the end portion 341 of the guiding rod 34 is located at the end a guiding area 511 or a second guiding area 512, and when the reversing switch 40 is in the non-reversing position, the end portion 341 of the guiding rod 34 is located in the disengaging area 513, so that the block 32 of the ratchet block 30 can be disengaged. The card slot 22 of the driving member 20.

A cover 70 is coupled to the inner recess 18, and the cover 70 has a thickness greater than that of the guide plate 50. The cover 70 has a through hole 71 for being sleeved on the periphery of the driving member 20, and the inner edge of the through hole 71 is provided with a ring groove 72. In addition, the cover 70 can be locked to the head portion 12 of the body 10 by using two locking screws 73 and passing through the guide plate 50, so that the cover 70 can close the first accommodating groove 15 and the second accommodating groove 17 and The components inside the slot 16 are controlled so that they do not come out of the head 12.

The cover 70 further includes a recessed space 74 corresponding to the guiding groove 51 of the guide plate 50 so that the end portion 341 of the guiding rod 34 can be disposed in the recessed space 74.

As shown in FIG. 3, since the shaft portion 33 of the ratchet block 30 can be housed in the accommodating portion 43 of the reversing switch 40, the ratchet block 30 can be supported by the reversing switch 40 during the operation. This has better structural strength.

As shown in FIG. 4, when the reversing switch 40 is in the reversing position, the wall surface on the side of the positioning groove 44 of the reversing switch 40 is pressed against the steel ball 62, and the spring 61 is retracted, and the end of the guiding rod 34 is closed. The 341 is located in the first guiding area 511 such that the reversing switch 40 is deflected relative to the head 12 to the left side of the drawing, and the fork 42 can drive the guiding rod 34, thereby driving the ratchet block 30 to be offset from the driving member 20. The right portion of the ratchet portion 31 of the ratchet block 30 is engaged with the tooth portion 21 of the driving member 20, so that the driving member 20 can only rotate in the clockwise direction with respect to the head portion 12 to form a one-way driving operation; It can be proved that when the reversing switch 40 is relatively deflected to the right side, the driving member 20 can be rotated only in the counterclockwise direction with respect to the head 12, and therefore, by operating the reversing switch 40, the ratchet wrench 1 can be reversed. Operation.

As shown in FIG. 5 and FIG. 6 , when the reversing switch 40 is in the non-commutated position, the steel ball 62 is held by the spring 61 and can be positioned and held on the positioning groove 44 so that the reversing switch 40 is located opposite to the head 12 . At the center, the dial portion 41 is directed to the handle 11 and the end portion 341 of the guide rod 34 is located in the disengagement region 513 so that the ratchet block 30 can be displaced toward the reversing switch 40 to cause the ratchet block 30 to be carded. The block 32 can be detached from the slot 22 of the driving member 20, whereby the user only needs to apply a slight force on the top end of the driving member 20 to overcome the elastic force of the elastic body 28, so that the positioning member 27 is retracted and no longer The ring member 72 is engaged with the ring member 72 such that the driving member 20 can be axially removed from the head portion 12 to replace the driving members 20 of different sizes.

When the driving member 20 is mounted again, the driving member 20 can be positioned by the ratchet block 30 by simply switching to the switch 40 to complete the mounting operation, so that the conversion is performed to the switch 40 during the replacement process. The rotation and replacement of the driving member 20 can be achieved by rotating it in place, which is quite convenient in operation.

The above embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. All kinds of modifications or changes that are not in violation of the spirit of this creation are all in the scope of this creative intention.

1‧‧‧ Ratchet Wrench
11‧‧‧ handle
13‧‧‧ first plane
132‧‧‧Second through hole
15‧‧‧First accommodating slot
161‧‧‧ hole
18‧‧‧ Inside groove
21‧‧‧ teeth
23‧‧‧ release lever
25‧‧‧ Drive Department
27‧‧‧ Positioning parts
30‧‧‧ ratchet block
32‧‧‧ card block
331‧‧‧Axis hole
341‧‧‧End
41‧‧‧The Ministry of Movement
421‧‧‧Spring slot
43‧‧‧ 收纳 department
50‧‧‧ Guide
511‧‧‧First guiding area
513‧‧‧Departure area
60‧‧‧Flexible device
62‧‧‧ steel balls
71‧‧‧Perforation
73‧‧‧Locking screws
10‧‧‧ Ontology
12‧‧‧ head
131‧‧‧First through hole
14‧‧‧ second plane
16‧‧‧Control slot
17‧‧‧Second accommodating slot
20‧‧‧ Drives
22‧‧‧ card slot
24‧‧‧Flexible components
26‧‧‧ card beads
28‧‧‧ Elastomers
31‧‧‧ ratchet
33‧‧‧Axis
34‧‧‧guides
40‧‧‧Reversing switch
42‧‧‧Fork
422‧‧‧Compressed spring
44‧‧‧ positioning groove
51‧‧‧ guiding slot
512‧‧‧Second guiding area
52‧‧‧through holes
61‧‧‧ Spring
70‧‧‧ cover
72‧‧‧ Ring groove
74‧‧‧ recessed space

[Fig. 1] is a schematic exploded view of a ratchet wrench of the replaceable driving member of the present invention (1). [Fig. 2] is an exploded view of another perspective of the present creation. [Fig. 3] is a side cross-sectional view of a ratchet wrench of the replaceable driving member of the present invention. [Fig. 4] is a schematic view of the ratchet wrench of the replaceable driving member of the present invention in a reversing position. [Fig. 5] is a schematic view of the ratchet wrench of the replaceable driving member of the present invention in a non-reversing position. [Fig. 6] is a schematic view showing the state in which the driving member of the present invention is separated from the head of the body.

1‧‧‧ Ratchet Wrench

10‧‧‧ Ontology

11‧‧‧ handle

12‧‧‧ head

13‧‧‧ first plane

131‧‧‧First through hole

132‧‧‧Second through hole

14‧‧‧ second plane

15‧‧‧First accommodating slot

16‧‧‧Control slot

161‧‧‧ hole

20‧‧‧ Drives

21‧‧‧ teeth

22‧‧‧ card slot

23‧‧‧ release lever

25‧‧‧ Drive Department

26‧‧‧ card beads

27‧‧‧ Positioning parts

30‧‧‧ ratchet block

31‧‧‧ ratchet

32‧‧‧ card block

33‧‧‧Axis

331‧‧‧Axis hole

34‧‧‧guides

341‧‧‧End

40‧‧‧Reversing switch

41‧‧‧The Ministry of Movement

42‧‧‧Fork

421‧‧‧Spring slot

422‧‧‧Compressed spring

43‧‧‧ 收纳 department

50‧‧‧ Guide

51‧‧‧ guiding slot

511‧‧‧First guiding area

512‧‧‧Second guiding area

513‧‧‧Departure area

52‧‧‧through holes

60‧‧‧Flexible device

61‧‧‧ Spring

62‧‧‧ steel balls

70‧‧‧ cover

71‧‧‧Perforation

72‧‧‧ Ring groove

73‧‧‧Locking screws

74‧‧‧ recessed space

Claims (16)

A ratchet wrench for a replaceable drive member includes: a body having a handle and a head extending from one end of the handle, the two sides of the head being a first plane and a second plane respectively a first receiving groove and a control slot are defined in the first plane, and a second receiving groove is disposed between the first receiving slot and the control slot, and the second plane is recessed a driving member is rotatably disposed in the first receiving groove for receiving a working piece, wherein a peripheral portion of the driving member is provided with a tooth portion, and the tooth portion is provided with a ring at one end a ratchet block is disposed in the second receiving groove, and one side of the ratchet block has a ratchet portion and a block for engaging the tooth portion of the driving member The card block is configured to be engaged with the card slot, the other side of the ratchet block is provided with a shaft portion, and a guiding rod uniformly disposed on the shaft portion; a reversing switch is pivotally disposed on the head portion a control slot that is movable between a reversing position and a non-reversing position, the reversing switch having a receiving portion and a fork portion The accommodating portion is configured to receive the shaft portion, the fork portion is received by the guiding rod, so that when the reversing switch is in the reversing position, the ratchet block is controlled to engage the driving member; and a guide plate is Provided in the inner groove, the guide plate has a guiding groove for receiving one end of the guiding rod, the guiding groove has a first guiding area and a second guiding area, the first guiding area Connecting a decoupling zone to the second guiding area, wherein when the reversing switch is located in the reversing position, the guiding rod is located in the first guiding area or the second guiding area, and when the switching The switch is located in the non-reversing position, and the guiding rod is located in the disengaging area to relatively disengage the block from the slot so that the driving member can be axially disengaged from the first receiving slot. The ratchet wrench of the replaceable drive member of claim 1, wherein the shaft portion has a shaft hole for the guide rod to penetrate. The ratchet wrench of the replaceable drive member of claim 1, wherein the fork portion is provided with a spring slot for receiving a compression spring for holding the guide rod. The ratchet wrench of the replaceable drive member of claim 1, wherein the guide plate has a constant hole to be sleeved on the driving member, and the decoupling region is farther away from the first guiding region and the second guiding region. The through hole. The ratchet wrench of the replaceable drive member of claim 1, wherein the first plane has a first through hole and a second through hole, and the first through hole communicates with the first receiving groove, the first The two through holes are connected to the control slot. The ratchet wrench of the replaceable drive member of claim 5, wherein the reversing switch has one end having a dialing portion exposed outside the second through hole, and the fork portion is disposed at the other end of the reversing switch The accommodating portion is located between the fork portion and the urging portion. The ratchet wrench of the replaceable drive member of claim 1 or 6, further comprising a resilient means for causing the diverter switch to have a tendency to be held toward the ratchet block. The ratchet wrench of the replaceable drive member of claim 7, wherein the elastic device is disposed on a wall surface of the control slot. The ratchet wrench of the replaceable drive member of claim 8, wherein the wall of the control slot is provided with a hole, the elastic device comprises a spring and a steel ball disposed in the hole, the steel ball is topped by the spring Push to abut the rear side of the reversing switch. The ratchet wrench of the replaceable drive member of claim 9, wherein the rear side of the reversing switch is longitudinally disposed with a positioning groove for the steel ball to abut. The ratchet wrench of the replaceable drive member of claim 1, wherein the block is a rectangle and is disposed transversely to a bottom edge of the ratchet portion. The ratchet wrench of the replaceable drive member of claim 1, further comprising a cover coupled to the inner recess. The ratchet wrench of the replaceable drive member of claim 12, wherein the cover has a thickness greater than the guide. The ratchet wrench of the replaceable drive member of claim 12, wherein the cover has a through hole to be sleeved on the periphery of the driving member, the inner edge of the through hole has a ring groove, and a periphery of the driving member is embedded a positioning member for engaging in the ring groove. The ratchet wrench of the replaceable drive member of claim 14, wherein the positioning member is a bead that is held by an elastic body. The ratchet wrench of the replaceable driving member of claim 5, wherein the driving member is provided with a release lever at one end, the release lever is protruded outside the first through hole, and the release lever sleeve is provided with an elastic component. The other end of the driving member is provided with a driving portion, and a sidewall of the driving member has a card bead. The pressing of the release lever can control the card to selectively engage or release the working member.