TW201813784A - Adjustable wrench with stopping device provides a stop effect for the adjustable wrench and fixes the position of the screw or the nut - Google Patents

Abstract

An adjustable wrench with stopping device of the present invention includes a body and a stopping device. The body includes a driving head that has a driving space in the axial direction of a virtual rotating axis. The driving head is provided with a front face on one side of the axis of the virtual rotating axis and a back face opposite to the front face. The driving head has a fixed jaw and a movable jaw mounted between the front face and the back face. The stopping device includes a stopping member that is capable of moving relative to the body between a first position and a second position and is disposed on the fixed jaw of the driving head and at the back face thereof. When the stopping member is in the first position, the stopping member blocks one side of the driving space adjacent to the back face. When the stopping member is in the second position, the stopping member does not block the side of the driving space adjacent to the back face. The stopping device can provide a stop effect for the adjustable wrench and fix the position of the screw or the nut.

Description

Adjustable wrench with stop device

The invention mainly discloses a wrench, especially a movable wrench with a stop device.

Please refer to Chinese Patent No. M476030 "Improved Structure of Penetrating Ratchet Wrench", which discloses an improved structure of Penetrating Ratchet Wrench, which has a wrench body, and the front end of the wrench body has a head There is a ratchet wheel in the head, and a polygonal socket hole is passed through the ratchet wheel, and the socket hole is used for socketing a sleeve. In addition, the upper edge of the ratchet wheel is provided with a first A neck, and a ring groove is provided on the outer wall of the first neck, and the ratchet has a plurality of perforations in the ring groove, and a C-shaped buckle is buckled in the ring groove, and the perforations can be The C-shaped buckle is protruded to form a limiting portion, and the limiting portion can be elastically stopped at the sleeve, thereby restricting the socket hole of the ratchet during the operation of the user. Displacement on the sleeve.

However, when producing a ratchet wrench with the above structure, a ring groove must be machined on the peripheral wall outside the first neck of the upper edge of the ratchet. The inside of the ratchet must be polygonal and the outside must have annular teeth to provide the ratchet. The required effect is that now the ring grooves must be re-processed in the ratchet, which makes the structure of the ratchet more and more complicated and difficult to process, which makes the production of ratchet wrenches more difficult and increases the cost of manufacturing.

In addition, the C-shaped retaining ring of the ratchet wrench just depends on its own elastic force to stop the sleeve and limit the displacement of the sleeve. After the sleeve has turned the screw, the screw may be caught by the angle deviation or other reasons. On the sleeve, if the screw is directly pulled out at this time, it will be removed together with the sleeve because the force applied by the user is greater than the elastic force of the C-shaped buckle. The user must reinstall the sleeve to the ratchet wrench. It is quite troublesome.

In addition, when the user finishes using the sleeve or wants to change the sleeve of another size, he must hold the sleeve and then pull it out directly with a ratchet wrench. However, the sleeve is likely to be contaminated with oil during use. The user may experience a problem that it is difficult to remove the sleeve due to insufficient friction.

In view of the lack of the above-mentioned conventional structure, the present inventor is committed to designing a movable wrench with a stop device, which can overcome all the disadvantages of the above-mentioned conventional structure.

The main purpose of the movable wrench with a stop device of the present invention is to provide a movable wrench including a body and a stop device. The body includes a handle and a driving head. The driving head is connected to the handle, and the driving The head is provided with a driving space along an axial direction of a virtual rotating shaft. The driving head is provided with a front side along one side of the virtual rotating shaft and a side opposite to the front side. The driving space is located on the front side. The driving head is provided with a fixed jaw and a movable jaw between the front face and the rear face, and penetrates the driving head. The fixed jaw and the movable jaw are respectively located on the driving member. On two sides with different spaces, the stop device includes a stopper, which can be moved between the first position and the second position relative to the body and is provided on the fixed jaw of the driving head and located on the back surface. When the stopper is in the first position, the stopper covers the side of the driving space adjacent to the back surface, and when the stopper is in the second position, the stopper does not cover the driving space Adjacent to the rear surface side, the above-described structure of the stop means can provide good results for the stopper wrench, effectively fixing position of the screws or nuts to avoid sliding or disengaged, pull the switch to facilitate operation.

The stopper can be pivoted on the driving head with a virtual axis as a center between the first position and the second position, and the virtual axis and the virtual rotation axis are parallel to each other.

The stopper has a stopper and a toggle. When the stopper is in the first position, the stopper of the stopper shields a side of the driving space adjacent to the back surface, and the stopper is in the first position. In the two position, the stopper portion of the stopper does not cover the side of the driving space adjacent to the back surface, the toggle portion is provided on the stopper portion in an integrally formed structure, and the toggle portion is parallel to the axis of the virtual axis The direction extends toward a direction different from the body.

The stop portion is in a flat sheet shape, and the toggle portion is formed in a bent manner.

The toggle portion is located on a side of the stop portion adjacent to the virtual rotating shaft.

The fixed jaw is provided with an insertion hole in the axial direction of the virtual axis. The insertion hole is located between the front surface and the back surface and penetrates the driving head to communicate the front surface and the back surface. The stopper is provided at the stopper portion. There is a perforation, the perforation and the socket correspond to each other, and the stop device includes a pivot shaft that passes through the socket from the front side and protrudes the drive head from the back side and passes through the perforation, The stopper is sleeved on the pivot and abuts against the back surface.

The stop device includes a knob and an anti-falling piece. The knob is screwed to the pivot and abuts the side of the stopping piece that is different from the driving head. The anti-falling piece is sleeved on The pivot is stopped on a side of the knob that is different from the stopper.

A stopper flange is also provided on a side of the fixed jaw adjacent to the back surface. When the stopper is in the first position, the stopper does not contact the stopper flange. When the stopper is in the second position, The stopper abuts the limiting flange.

When the stopper is in the first position, the stopper portion of the stopper only covers the driving space by the back part but not completely.

The driving head can be freely pivoted or fixedly connected to one end of the handle with respect to the handle.

Other objects, advantages, and novelty of the present invention will be more apparent from the following detailed description and related drawings.

Regarding the technology, means and effects adopted by the present invention, a preferred embodiment is described in detail below with reference to the drawings. This is for illustration purposes only, and is not limited by such a structure in patent applications.

Please refer to FIG. 1 to FIG. 4, which are a perspective appearance view, a perspective exploded view, a planar appearance, and a cross-sectional structure view of a movable wrench having a stopper device according to the present invention. The movable wrench 10 of the present invention includes a body 20 and a stop device 30; wherein:

The main body 20 includes a handle 21 and a driving head 22. The driving head 22 can be freely pivoted or fixedly connected to one end of the handle 21 with respect to the handle 21, and the driving head 22 is along an axial direction of a virtual rotation axis C. A driving space 221 is provided. The driving head 22 is provided with a front surface 222 on one side along the axial direction of the virtual rotation axis C, and a rear surface 223 is provided on a side opposite to the front surface 222. The driving space 221 is located on the front surface 222. The front surface 222 and the back surface 223 are communicated with the back surface 223 and penetrate the driving head 22. The main body 20 is capable of socketing a work object using the driving space 221 and driving the work object to rotate around the virtual rotation axis C as an axis.

The driving head 22 is provided with a fixed jaw 224 and a movable jaw 225 between the front surface 222 and the back surface 223. The fixed jaw 224 and the movable jaw 225 are respectively located on two different sides of the driving space 221. The movable jaw 225 can move relative to the driving head 22 and approach or move away from the fixed jaw 224.

The fixed jaw 224 is provided with an insertion hole 226 along an axial direction of a virtual axis L. The virtual axis L and the virtual rotation axis C are parallel to each other. The insertion hole 226 is located between the front surface 222 and the back surface 223 and penetrates the driving head. 22 and communicates with the front surface 222 and the back surface 223, and a side of the fixing jaw 224 adjacent to the back surface 223 is provided with a limiting flange 227.

The stopper device 30 includes a stopper 31, a pivot 32, a knob 33, and an anti-dropout member 34. The stopper 31 has a stopper 311 and a toggle 312. The stopper 311 is a planar sheet. The stopper 31 is provided with a through hole 313 in the stopper 311, and the through hole 313 and the insertion hole 226 correspond to each other. The toggle portion 312 is provided on the stop portion 311 in a bent manner to form an integrally formed structure. The toggle portion 312 extends in a direction different from the body 20 in a direction parallel to the virtual axis L axis direction. The moving portion 312 is located on a side of the stopping portion 311 adjacent to the virtual rotation axis C.

The pivot shaft 32 passes through the insertion hole 226 from the front surface 222 and protrudes from the driving head 22 and passes through the through hole 313 from the back surface 223. The stopper 31 is sleeved on the pivot shaft 32 and abuts against the back surface. 223, the knob 33 is screw-connected to the pivot 32 and abuts the stopper 31 on a side different from the driving head 22, and the anti-dropout member 34 is sleeved on the pivot 32 and stops The knob 33 is different from the side of the stopper 31.

Please continue to refer to FIG. 5 to FIG. 8, which are diagrams of the use state of the socket wrench screw of the movable wrench with the stop device and the diagram of the use state of the socket nut. The stopper 31 can pivot between the first position and the second position relative to the main body 20 with the virtual axis L as a center. The stopper 31 is pivotally provided on the fixed jaw 224 of the driving head 22 and is located on the back surface 223. When 31 is in the first position, a stop portion 311 of the stopper 31 covers a side of the driving space 221 adjacent to the back surface 223, and the stop portion 311 of the stopper 31 partially covers the drive by the back surface 223. The space 221 is not completely covered. The stopper 31 does not contact the limit flange 227. When the stopper 31 is in the second position, the stopper 311 of the stopper 31 does not cover the driving space 221 adjacent to the drive space 221. One side of the back surface 223, and the stopper 31 abuts against the limiting flange 227.

When the screw 90 is to be turned by the movable wrench 10, the stopper 31 can be switched to the first position, so that the stopper 311 of the stopper 31 covers the driving space 221, and then the fixed jaw 224 and the The movable jaw 225 clamps the screw 90 so that the screw 90 enters the driving space 221 for the movable wrench 10 to turn the screw 90. After the movable wrench 10 clamps the screw 90, the screw 90 is stopped by the stopper 31 To prevent the screw 90 from protruding from the back surface 223 for the user to easily and quickly turn the screw 90 repeatedly.

When the nut 91 is to be turned by the movable wrench 10, the nut 91 can be clamped by the fixed jaw 224 and the movable jaw 225, so that the nut 91 enters the driving space 221 for the movable wrench 10 to turn the nut 91. After the movable wrench 10 clamps the nut 91 and passes the bolt 92 out of the back surface 223, the stopper 31 is switched to the first position, so that the stopper 311 of the stopper 31 shields the drive. The space 221 stops the nut 91 by the stopper 31 to prevent the nut 91 from protruding from the back surface 223 for the user to easily and quickly rotate the nut 91 repeatedly.

The stop device 30 adopting the above structure can provide a good stop effect for the movable wrench 10, effectively fix the position of the screw 90 or the nut 91 and avoid sliding or detachment, so as to facilitate the turning operation.

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

1. A movable wrench with a stop device according to the present invention, wherein the adjustable wrench includes a body and a stop device, the body includes a handle and a driving head, the driving head is connected to the handle, and the driving head is along a A driving space is provided in the axial direction of the virtual rotating shaft. A front side of the driving head along the axial direction of the virtual rotating shaft is provided, and a back side is provided on the side opposite to the front side. The driving space is located on the front side and the back side. The driving head is connected between the front surface and the back surface. The driving head is provided with a fixed jaw and a movable jaw between the front surface and the back surface. The fixed jaw and the movable jaw are respectively located in the driving space. On both sides of the stopper, the stopper includes a stopper, which can be moved between the first position and the second position relative to the body and is located on the fixed jaw of the drive head and located on the back side. When the stopper is in the first position, the stopper covers a side of the driving space adjacent to the back surface, and when the stopper is in the second position, the stopper does not cover a driving space adjacent to the back surface. The stop means capable of providing the above-described configuration for the wrench stop good effect, effectively fixing the position of the screw or nut to avoid sliding or disengaged, pull the switch to facilitate operation.

However, the above are only the preferred embodiments of the present invention. When the scope of implementation of the present invention cannot be limited by this, the changes in numerical values or the replacement of equivalent elements, or the equivalent according to the scope of the patent application of the present invention Changes and modifications should still fall within the scope of the invention patent.

10‧‧‧ monkey wrench

20‧‧‧ Ontology

21‧‧‧Handle

22‧‧‧Driver

221‧‧‧Drive Space

222‧‧‧Front

223‧‧‧Back

224‧‧‧Fixed Jaw

225‧‧‧ movable jaw

226‧‧‧jack

227‧‧‧ stop flange

30‧‧‧stop device

31‧‧‧stop

311‧‧‧stop

312‧‧‧Toggle

313‧‧‧perforation

32‧‧‧ Pivot

33‧‧‧ knob

34‧‧‧anti-dropout

90‧‧‧Screw

91‧‧‧nut

92‧‧‧ Bolt

C‧‧‧Virtual shaft

L‧‧‧ virtual axis

FIG. 1 is a perspective view of a movable wrench having a stop device according to the present invention. FIG. 2 is an exploded perspective view of a movable wrench having a stop device according to the present invention. FIG. 3 is a plan view of a movable wrench having a stop device according to the present invention. FIG. 4 is a sectional structural view of a movable wrench having a stop device according to the present invention. FIG. 5 is a view showing a use state of a movable wrench socket sleeve with a stop device according to the present invention. FIG. 6 is another state of use view of the movable wrench socket sleeve with a stop device according to the present invention. FIG. 7 is a view showing a use state of a socket wrench screw of a movable wrench having a stop device according to the present invention. FIG. 8 is another state of use view of the movable wrench socket screw with a stop device according to the present invention.

Claims (10)

A movable wrench with a stop device, comprising: a body comprising a handle and a driving head, the driving head is connected to the handle, and the driving head is provided with a driving space along an axial direction of a virtual rotating shaft A side of the driving head along the axis of the virtual rotation axis is provided with a front side and a side opposite to the front side is provided, the driving space is located between the front side and the back side and penetrates the driving head to communicate with the The front and the back, the driving head is provided with a fixed jaw and a movable jaw between the front and the back, the fixed jaw and the movable jaw are respectively located on two sides of the driving space different from each other; a stop device, the The stopper device includes a stopper, which is movably disposed between the first position and the second position relative to the body and is located on a fixed jaw of the driving head and is located on the back surface. The stopper is at the first position. In the position, the stopper covers the side of the driving space adjacent to the back surface, and when the stopper is in the second position, the stopper does not cover the side of the driving space adjacent to the back surface. The movable wrench with a stop device as described in claim 1, wherein the stopper is pivotally disposed on the driving head with a virtual axis as a center between the first position and the second position, and The virtual axis and the virtual rotation axis are parallel to each other. The adjustable wrench with a stopper device as described in claim 2, wherein the stopper has a stopper portion and a toggle portion, and when the stopper is in the first position, the stopper portion of the stopper is shielded The driving space is adjacent to one side of the back surface. When the stopper is in the second position, the stop portion of the stopper does not cover the side of the driving space adjacent to the back surface. The toggle portion is provided in an integrally formed structure. At the stopper portion, the toggle portion extends in a direction different from the body along a direction parallel to the axial direction of the virtual axis. The movable wrench with a stopper device as described in claim 3, wherein the stopper portion is in a flat sheet shape, and the toggle portion is formed in a bent manner. The movable wrench with a stop device as described in claim 3, wherein the toggle portion is located on a side of the stop portion adjacent to the virtual rotating shaft. The movable wrench with a stop device according to claim 3, wherein the fixed jaw is provided with an insertion hole in the axial direction of the virtual axis, and the insertion hole is located between the front surface and the back surface and communicates with the driving head The front surface and the back surface, the stopper is provided with a perforation in the stopper portion, the perforation and the insertion hole correspond to each other, the stopper device includes a pivot shaft, and the pivot shaft passes through the plug from the front surface. The hole protrudes from the back side of the driving head and passes through the perforation. The stopper is sleeved on the pivot and abuts against the back side. The adjustable wrench with a stopper device as described in claim 6, wherein the stopper device includes a knob and an anti-dropout member, and the knob is screw-connected to the pivot shaft and abuts against the stopper phase. Different from the side of the driving head, the detachment preventing member is sleeved on the pivot shaft and stops on a side of the knob different from the stopping member. The movable wrench with a stop device according to any one of claims 1 to 7, wherein a side of the fixed jaw adjacent to the back side is further provided with a limiting flange, and when the stopper is in the first position, The stopper does not contact the limit flange. When the stopper is in the second position, the stopper abuts against the limit flange. The adjustable wrench with a stopper device according to any one of claims 1 to 7, wherein when the stopper is in the first position, the stopper portion of the stopper only covers the driving space by the back portion and Not completely covered. The movable wrench with a stop device according to any one of claims 1 to 7, wherein the driving head can be freely pivoted or fixedly connected to one end of the handle relative to the handle.