TWM477346U - Ratchet wrench with switchable turning direction - Google Patents

Description

Switchable steering ratchet wrench

The present invention relates to a switching device, and more particularly to a ratcheting wrench that can be switched.

Referring to FIG. 1 and FIG. 2, the ratchet wrench 1 of the Republic of China Patent No. M368520 is taken as an example, and mainly includes a body 10, a ratchet 12 pivotally mounted on a front end portion 101 of the body 10 for interlocking a driving head 11. a latching member 13 that is displaceable with the ratchet 12 and a switching member 14 pivotally disposed at the front end portion 111 of the body 10 and capable of interlocking the latching member 13. The block 13 has a first claw portion 131 and a second claw portion 132 formed on both sides.

However, since the switching member 14 is located at the front end portion 101 and away from the grip portion of the user's hand, when the switching operation is performed, the one-hand operation cannot be directly performed by the grip, and the finger is often limited by the narrow operation during the operation. The working space cannot be extended, affecting the smoothness of the reversing process, and the switching member 14 exposed outside the body 10 increases the height of the front end portion 101, so that the ratchet wrench 1 is limited by the overall height of the front end portion 101. It is not suitable for areas with a small working space, and there is still room for improvement in terms of ease of use.

Therefore, the object of the present invention is to provide a ratchet wrench that can switch the steering comfort and convenience.

Therefore, the novel switchable ratchet wrench includes a body, a driving unit, two push rods, a rotary valve, and a touch member. The driving unit has a driving group, two teeth, and a switching valve pivoted between the body and the driving group, and a switching valve is disposed between the body and the driving group. a driving head and a yoke head, wherein the teeth are disposed on the yoke head and pushed against the driving head, the switching valve is displaced relative to the teeth, and one of the toothed cards is released, and the driving head can only be unidirectionally rotated Move and force another tooth away from the drive head. The push rods extend along an X-axis direction and are staggered and have a joint end, and opposite to the joint end and opposite to an active end of the switching valve. The rotary valve is pivotally disposed on the body and adjacent to the push rods, and has two movable ends respectively connected to the push rod connecting end and swinging around the X axis. The touch member is displaceably disposed on an outer surface of the body and adjacent to the rotary valve, and can push the rotary valve to swing, so that the rotary valve is kept away from the switch by a corresponding movable end of the movable end. The valve and the other movable end of the movable end drive the displacement of the switching valve.

The effect of the novel: by using the setting of the push rods, the touch function of the switching function avoids the front end portion of the body, which is not only convenient to operate, but also can reduce the height of the front end portion of the body, and the switching piece is not interfered by the working space. And improve practicality.

2‧‧‧ Ontology

21‧‧‧ front end

22‧‧‧ Back end

23‧‧‧through hole

3‧‧‧Drive unit

301‧‧‧ Rings

302‧‧‧Sleeve

31‧‧‧Drive head

32‧‧‧ yoke head

321‧‧‧ yoke

33‧‧‧Switching valve

330‧‧‧Valve block

331‧‧‧Flange

332‧‧‧Flange

333‧‧‧ gap

334‧‧‧ gap

34‧‧‧ teeth

341‧‧‧Reverse stop

342‧‧‧ guiding slope

35‧‧‧Flexible components

36‧‧‧C buckle

37‧‧‧C buckle

4‧‧‧Put

41‧‧‧Link end

42‧‧‧Action

5‧‧‧turn valve

51‧‧‧ active end

52‧‧‧ recess

6‧‧‧Touch parts

61‧‧‧Circle

62‧‧‧ convex

621‧‧‧正正面

622‧‧‧Combat

X‧‧‧X axis

Z‧‧‧Z axis

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a cross-sectional view showing the Chinese Patent No. M368520; FIG. 2 is a top view of the aforementioned No. M368520 FIG. 3 is an exploded perspective view showing a first preferred embodiment of the switchable ratchet wrench of the present invention; FIG. 4 is a combined perspective view of the first preferred embodiment; FIG. FIG. 6 is a top plan view showing a push rod rotating a switching valve reverse rotation in the first preferred embodiment; FIG. 7 is a top plan view illustrating the first preferred embodiment The other push rod rotates the switching valve to rotate forward; and FIG. 8 is a top plan view showing a second preferred embodiment of the switchable steering ratchet wrench of the present invention.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 3, FIG. 4, and FIG. 5, a preferred embodiment of the switchable ratchet wrench of the present invention comprises a body 2, a driving unit 3, two push rods 4, a rotary valve 5, and a touch member 6. .

The body 2 forms a power source with internal air pressure, and has a front end portion 21, a rear end portion 22 opposite to the front end portion 21 for gripping, and a through hole 23 extending through the front end portion 21 along a Z axis. .

The driving unit 3 is pivotally disposed on the through hole 23 of the front end portion 21 of the body 2 with the Z axis as a center, and has a ring member 301 surrounding the Z axis, and a pivoting armature along the Z axis direction is at the ring member 301. a sleeve 302, a driving group formed by the driving head 31 and a yoke 32, and a switching valve 33 pivoted on an outer surface of the ring member 301 Two teeth 34 between the yoke head 32 and the driving head 31, two elastic elements disposed between the yoke head 32 and the teeth 34 and urging the teeth 34 to engage with the driving head 31 without external force 35, and two C buckles 36, 37. The drive head 31 is located below the sleeve 302. The yoke head 32 is engaged with the driving head 31, and is driven by a power source to swing around an X-axis, and has two grooves 321 formed on one top surface and arranged on two sides of the X-axis. The switching valve 33 has two flanges 331, 332 formed on an outer surface and spaced apart by a distance, and two notches 333, 334 formed toward one end edge of the teeth 34 and defining a valve block 330. The teeth 34 are respectively received in the groove 321 and are exposed between the yoke head 32 and the driving head 31, and between the yoke head 32 and the switching valve 33, and have opposite reverse faces respectively. 341, and a guiding slope 342. The C buckle 36 is buckled in the through hole 23 of the front end portion 21 of the body 2, and is blocked on the ring member 301, the switching valve 33 and the driving group side. The C buckle 37 is buckled on the driving head 31 and blocked on the side of the front end portion 21 of the body 2 opposite to the C buckle 36. Thereby, the ring member 36, 37 is used to block and limit the ring member 301, the sleeve 302, the driving head 31, the yoke head 32 and the switching valve 33, and the front end portion 21 of the body 2 is received. The C-clamps 36, 37 are limited to maintain a fixed pitch to avoid opening.

The push rods 4 extend along the X-axis direction and are staggered, and Each has a connecting end 41 and a working end 42 opposite to the connecting end 41 and opposite to the switching valve 33.

The rotary valve 5 is pivotally disposed in the Z-axis direction parallel to the body 2 and adjacent to the push rods 4, and has two movable ends 51 respectively coupled to the connecting end 41 of the push rod 4 and bidirectionally swinging, and is formed at the same The movable end 51 is spaced apart by a plurality of recesses 52.

In the preferred embodiment, the touch member 6 is disposed on the outer surface of the body 2 and adjacent to the rotary valve 5 with the X-axis as the center, and has a ring wall 61 surrounding the X-axis, and is formed at intervals The annular wall 61 has an inner surface and is adjacent to the plurality of convex portions 62 of the one end edge. Each convex portion 62 has a reverse positive surface 621 and a reverse surface 622. And as the touch member 6 rotates, at least one convex portion 62 protrudes into the concave portion 52.

Referring to FIG. 5, FIG. 6 and FIG. 7, when the rotation direction of the driving head 31 is switched, the ring wall 61 of the touch member 6 is only required to be forwardly or reversely pressed by the finger held on the rear end portion 22. Therefore, during the rotation of the ring wall 61, the convex portion 62 is inserted into the concave portion 52 of the rotary valve 5, and the positive surface 621 or the forced surface 622 is pushed to rotate. The valve 5 rotates the rotary valve 5 to the left and right with the X-axis as the center, and through the movable ends 51, the push rods 4 are intermittently displaced in a linear displacement manner along the X-axis direction.

During the staggered displacement of the push rod 4, one of the push rods 4 (or the other push rods 4) pushes the flange 331 (or the flange 332) of the opposite position of the switching valve 33 with the action end 42 so that The switching valve 33 is rotated forward or reversely. At this time, one of the notches 333 (or the notch 334) of the switching valve 33 is rotated to the one of the teeth 34, so that the tooth 34 is no longer forced. The switch The valve block 330 of the valve 33 can be pushed up by the elastic force of the elastic member 35 after being released, displaced to engage with the driving head 31, and the other tooth 34 continues to be forced by the switching valve 33. The valve block 330 is forced to remain away from the state of the drive head 31. Therefore, the tooth 34 that is engaged with the driving head 31 blocks the driving head 31 with the reverse stopping surface 341, so that the driving head 31 can only be rotated in a direction opposite to the back surface 341, and During the swirling process, the guide bevel 342 of the tooth 34 is pushed and the tooth 34 is slipped off.

Thereby, when the yoke head 32 is driven by a power source and swings left and right centering on the X axis, the yoke head 32 drives the driving head 31 to rotate about the Z axis, since the driving head 31 Subject to the aforementioned teeth 34, therefore, only one-way rotation is possible.

Referring to Figure 8, a second preferred embodiment of the present invention is substantially identical to the first preferred embodiment, except that the second preferred embodiment has only one pusher 4. And the switching valve 33 has only one valve block 330 and a flange 331 formed on an outer surface and spaced apart by a distance. The flange 331 is pivoted to the active end 42 of the push rod 4. The rotary valve 5 has only one movable end 51 pivoted to the connecting end 41 of the push rod 4. The switching valve 33 and the push rod 4 are interlocked with the rotary valve 5.

Thereby, when the touch member 6 is rotated in the forward or reverse direction, the rotary valve 5 is also pushed to rotate left and right with the X axis as the center, and the push rod 4 is interlocked to pull the switching valve 33 to the Z axis. The center rotates in the forward or reverse direction, so that the switching valve 33 pushes the relative position of the tooth 34 from the valve block 330 away from the driving head 31, and the other tooth 34 is not forced by the valve block 330. Keeping with the driving head 31 to achieve the purpose of reversing.

In summary, the novel switchable steering ratchet wrench has the following advantages and effects:

1. The present invention can utilize the arrangement of the push rods 4 to enable the touch control member 6 to avoid the front end portion 21, and not only adjacent to the finger held by the rear end portion 22, but also around the X-axis rotation control, and is convenient to use. With one hand held, the operation of switching directions can be performed, which makes the invention more convenient.

2. It is important that the front end portion 21 of the body 2 has no protruding switching structure, and the height of the front end portion 21 of the body 2 can be lowered, whereby the ratchet wrench of the present invention is applicable not only to a narrower working space but also to switching. During operation, the touch device 6 is also free from interference from the working space, and can greatly improve the smoothness and practicability in use.

However, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the patent specification, All remain within the scope of this new patent.

3‧‧‧Drive unit

301‧‧‧ Rings

302‧‧‧Sleeve

32‧‧‧ yoke head

33‧‧‧Switching valve

330‧‧‧Valve block

331‧‧‧Flange

332‧‧‧Flange

333‧‧‧ gap

334‧‧‧ gap

34‧‧‧ teeth

341‧‧‧Reverse stop

342‧‧‧ guiding slope

35‧‧‧Flexible components

4‧‧‧Put

41‧‧‧Link end

42‧‧‧Action

5‧‧‧turn valve

51‧‧‧ active end

52‧‧‧ recess

6‧‧‧Touch parts

61‧‧‧Circle

62‧‧‧ convex

621‧‧‧正正面

622‧‧‧Combat

Claims (9)

A ratcheting wrench capable of switching steering, comprising: a body for forming a power source by internal air pressure; a driving unit having a driving group, two teeth, and a pivoting body for pivoting the front end portion of the body along a Z axis a switching valve is disposed between the body and the driving group, the driving group has a driving head and a yoke head disposed coaxially, and the teeth are disposed on the yoke head and pushed against the driving head, the switching valve is opposite The teeth are displaced, and one of the toothed cards is released, and the driving head can only be unidirectionally rotated, and the other tooth is forced to be away from the driving head; the second push rod extends along an X-axis direction and is staggered. And having a connecting end and a working end opposite to the connecting end and opposite to the switching valve; a rotary valve pivotally disposed on the body and adjacent to the push rods, and having a connection with the push rod connection end respectively And a movable end that swings around the X axis; and a touch member that is displaceably disposed on an outer surface of the body and adjacent to the rotary valve, and can push the rotary valve to swing, so that the rotary valve is one of the rotary valves The corresponding end of the push rod of the movable end is kept away from the Switching valves, and other activities to the other end of the interlocking end of the push rod driving the switching valve displacement. The switchable steering ratchet wrench of claim 1, wherein the touch member has a ring wall that surrounds the X axis and rotates around the X axis, and is spaced apart on an inner surface and pushes the turn At least two convex portions of the valve swinging in opposite directions, the rotary valve having at least one concave portion formed between the movable ends and respectively opposite to the convex portion of the touch piece, as the touch member rotates, to A few protrusions will protrude into the recess. The switchable steering ratchet wrench of claim 1, wherein the switching valve has at least one flange formed on an outer surface and spaced apart by a distance, and is formed at an end edge facing the teeth and defines a a two notch of the valve block, wherein a flange is forced to one of the action ends of the push rod, so that the switching valve is displaced to abut one of the notches and release one of the teeth to abut against the drive group, so that the other tooth is received Force the valve block away from the drive head. The switchable steering ratchet wrench according to claim 3, wherein the movable end of the rotary valve can respectively actuate the corresponding push rod acting end to drive the switching valve to rotate forward and reverse in the Z-axis. The pushers are linearly moved in the X-axis direction, respectively. The switchable steering ratchet wrench of claim 3, wherein the teeth have a reverse stop surface and a lead inclined surface respectively, the reverse stop surface blocking the drive head, so that the drive head can only In the direction opposite to the reverse stop surface, the guide bevel of the tooth is pushed and the tooth is slipped off. The switchable steering ratchet wrench according to claim 1, wherein the driving unit further has a step disposed between the front end portion of the body and the tooth and pushing the tooth to engage with the driving head without an external force. Two elastic elements. A ratcheting wrench capable of switching steering, comprising: a body for forming a power source by internal air pressure; a driving unit pivoted on a front end of the body with a Z axis as a center, and having the body pivoted along the Z axis And a driving group that outputs power a switching valve pivotally disposed between the body and the driving group, and a two-shaped tooth pivotally disposed on the driving group, the switching valve having a flange and a valve block formed on an outer surface and spaced apart by a spacing; At least one push rod extending along an X-axis direction and having a connecting end, and opposite to the connecting end and opposite to an active end of the driving group, the working end is coupled with the flange of the switching valve, so that The switching valve is rotated about the Z-axis to the valve block to release one of the teeth to engage with the driving group, and the other block is forced away from the driving group by the valve block; a rotary valve is pivoted The body is adjacent to the push rod and has at least one movable end coupled to the push rod connecting end and swinging around the X axis; and a touch member disposed on the main body with the X axis as a center An outer surface adjacent to the rotary valve for pushing the rotary valve to swing, the rotary valve interlocking the action end of the push rod from the flange of the switching valve, and pushing the flange of the switching valve to drive the switching valve move. The switchable steering ratchet wrench according to claim 7, wherein the push rod has two, and the movable end of the rotary valve has two, respectively, respectively corresponding to the working end of the push rod, and the switching valve is driven The rotation and the reverse rotation are performed so that the push rods linearly move in the X-axis direction. The switchable steering ratchet wrench according to claim 7, wherein the touch member is a rotating ring disposed on the body, and has a ring wall surrounding the X-axis, and is formed at an inner surface and spaced apart Squeezing at least two convex portions of the reverse swinging of the rotary valve, the rotary valve having at least one concave portion formed between the movable ends and respectively opposite to the convex portion of the touch member, and rotating with the touch member At least one protrusion will protrude into the recess.