TWI608906B - Shaking head wrench brake structure - Google Patents

Description

Moving head wrench brake structure

The invention relates to a wrench structure, in particular to a rocker wrench brake structure which is convenient for manufacturing assembly and has excellent stability in operation and is not easy to malfunction.

Press, wrench is a commonly used tool for work operations, used to tighten, turn loose screws or nuts and other types of positioning workpieces, and a wide variety of wrenches, including open end wrenches, composite wrenches, wrenches, adjustable wrenches and sleeves Wrench, etc. The general structure of the wrench usually includes a head portion and a handle portion, and the head portion has an accommodating space for accommodating the screw or the nut, and the accommodating space is engaged with the screw/nut. The handle is rotated and applied to achieve the purpose of tightening and loosening the screw/nut. Since the wrench operation often needs to respond to the position, angle and even different operating environments of the workpiece, there is a shaker wrench that can adjust the pitch or bend angle of the head to facilitate the construction convenience. A conventional rocker wrench technique, such as the new M265163 patent, provides a hand tool having a joint locking mechanism having a head (20) and a handle (30), wherein the head (20) has a rear The handle (30) has a front end pivotally connected to the rear end of the head (20), and the joint locking mechanism (40) is disposed at the front end of the handle (30) and the head (20) Between the ends, the front end of the handle (30) is provided with a first hole (33) extending substantially along the length of the handle (30) and a second hole (34) communicating perpendicularly with the first hole (33). The joint locking mechanism (40) includes a plurality of grooves (23), a locking pin (42) and a first spring (41) disposed at a rear end of the head (20), the locking pin (42) and the a spring (41) is disposed in the first hole (33) of the front end of the handle (30); a pull button device (45) having a button portion (451) and a button portion (451) a lower hook (452), the hook (452) extends from the second hole (34) and catches the latching groove (44) of the locking pin (42), so that the button device (45) can Driving the locking pin (42) to move along the first hole (33), and the first spring (41) provides elasticity, so that the locking pin (42) passes the second bomb The spring 52 and the positioning plate 51 abut against the groove (23).

The conventional moving head wrench technology (new type M265163) can adjust the bending angle of the head portion (20) by the movement of the button portion (451), but there is still a defect, for example, the button device (45) by the latching hook (452) of the latching pin (42) to engage the latching groove (44) to perform the displacement operation of the latching pin (42), thus the button device (45) and the latching pin (42) The composition is complicated, it is unfavorable to manufacture and assemble, and the hook (452) is easily broken due to long-term use, resulting in failure and failure of the locking pin (42), which is not ideal design; The latching hook (452) catches the latching groove (44) of the locking pin (42), and is also prone to wear and deformation of each other, thereby causing the latching hook (452) to be opposite to the latching pin (42). The lack of looseness, shaking, or inaccurate movements in the interlocking operation leads to serious defects in the quality of use, and there is also a need for improvement; therefore, how to solve the lack of manufacturing, assembly and use of the conventional shaking head wrench should be for the industry or There are important issues that should be solved and overcome by people with wisdom.

Therefore, the inventors of the present invention have developed the solution in view of the shortcomings in the manufacture and assembly of the conventional anti-detachment wrench and the fact that the structural design is not ideal, and hope to develop a more simple assembly and assembly. The invention is based on the concept of the nature, the stability of the operation and the brake structure of the shaker wrench which is not easy to malfunction, in order to serve the public and promote the development of the industry.

The object of the present invention is to provide a rocker wrench brake structure which can facilitate the manufacture and assembly of the rocker wrench by simple interlocking design, and has better manufacturing economical efficiency.

A further object of the present invention is to provide a rocker wrench brake structure which can prevent the components of the rocker wrench from being loosened, shaken or even broken, thereby providing excellent stability and operational reliability in the interlocking of the components. Actively improve the service life and operation quality of the shaking head wrench.

The technical means for achieving the above object includes: a wrench head having an operating portion, the rear end of the wrench head being provided with an arcuate head pivoting portion, the head pivot a plurality of abutting grooves are formed on a periphery of the connecting portion; a handle portion of the wrench is provided with a handle pivoting portion pivotally connected to the head pivoting portion, and the handle pivoting portion includes a pivoting space, the pivoting portion The rear end of the space is provided with an actuating perforation in the extending direction of the handle, and a positioning device is disposed adjacent to the rear end of the handle pivoting portion. The positioning device includes an elongated groove-shaped actuating groove, and the actuating groove is provided with a vertical a slot extending in the direction of the shank of the wrench, the slot is an elongated slot and vertically communicates with the actuating through hole; a resisting device includes a resisting lever; and an operating device includes a pusher member, the pusher member The utility model is provided with a insertion post, the diameter of the insertion post is smaller than the length of the slot, and the insertion post is vertically provided with a pair of positioning perforations which should be actuated.

In the above configuration, the push plate member is disposed in the actuating groove, the insertion post is inserted into the slot, the resisting rod passes through the actuating through hole, and the resisting rod is inserted into the positioning through hole to form a fastening connection thereto. The front end of the resisting rod resists the corresponding offset groove.

In the above configuration, the front of the slot is provided with an abutting slot, the spring is provided with a spring, the spring is provided with a top bead, and the first plate is provided with a first abutting groove and The second abutting groove behind the first abutting groove.

In the above configuration, the rod diameter of the resisting rod is smaller than the diameter of the actuating perforation, and the front end of the resisting rod is provided with an abutting head, and the abutting head is provided with a rotating groove.

In the foregoing configuration, the rear end of the resisting rod is provided with an abutting step, and the positioning perforating facilitates the positioning by the step.

The foregoing configuration, wherein the step is a thread segment.

In the above configuration, a top cover portion having a longer length is disposed above the push plate member.

In the foregoing configuration, the leading edge of the thread segment forms a step for generating an abutment positioning.

In the above configuration, the resisting rod is coupled to the positioning through hole.

In the above configuration, the positioning device includes a spring slot at a rear end of the slot, the spring slot communicates with the slot and correspondingly positions the through hole, and the spring slot is provided with an elastic member, and the elastic member abuts against the resist The rear end of the rod.

In order to make the reviewer's technical features and effects achieved by the reviewer more For further understanding and understanding, please refer to the preferred embodiment diagram and the detailed description, as explained below:

1‧‧‧Wrench head wrench

10‧‧‧wrench head

11‧‧‧Operation Department

12‧‧‧ head pivot

121‧‧‧Pivot hole

122‧‧‧Focus

123‧‧‧Forcing the ring

20‧‧‧Wrench handle

21‧‧‧ handle pivot

210‧‧‧ pivot space

211‧‧‧ handle

212‧‧‧Pivot hole

213‧‧‧ expansion ring

214‧‧‧Top rod

22‧‧‧ Positioning device

221‧‧‧ actuation groove

222‧‧‧ slots

223‧‧‧Round hole

224‧‧‧Spring slot

23‧‧‧Actuation perforation

24‧‧‧Flexible parts

30‧‧‧Resistance device

31‧‧‧Resistance pole

310‧‧‧ arrived at the head

311‧‧‧Rotating groove

312‧‧ Thread segment

313‧‧‧Reward

40‧‧‧Control device

41‧‧‧ Pushing plate

411‧‧‧Top cover

412‧‧‧ first arrival

413‧‧‧Second Arrival

42‧‧‧ Insert

421‧‧‧ Positioning perforation

421a‧‧‧ Positioning perforation

421b‧‧‧ Positioning perforation

43‧‧‧ Spring

44‧‧‧ 顶珠

Fig. 1 is a perspective view showing a first embodiment of the present invention.

Fig. 2 is an exploded perspective view showing the first embodiment of the present invention.

Figure 3 is a schematic cross-sectional view showing a first embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view showing the angle adjustment operation of the first embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view showing a first embodiment of the present invention.

Figure 6 is an exploded perspective view of a second embodiment of the present invention.

Figure 7 is a schematic cross-sectional view showing a second embodiment of the present invention.

Figure 8 is a schematic cross-sectional view showing the operation of the second embodiment of the present invention.

Figure 9 is a schematic cross-sectional view showing a second embodiment of the present invention.

Referring to Figures 1, 2 and 3, a first embodiment of the rocker wrench brake structure of the present invention includes a rocker wrench 1 further comprising: a wrench head 10, a wrench handle 20, and a resisting device And the operating device 40; the operating portion 11 is only an implementation aspect, and the operating portion 11 is also an operating receiving space (not shown) for arranging the workpiece. There is no limitation, that is, the shaking head wrench 1 can be a socket wrench, an open end wrench, a composite wrench, a wrench, a movable wrench, etc.; the rear end of the wrench head 10 (in the direction shown/the same below) is provided with an arc. The convex head pivoting portion 12 is provided with a pivot hole 121. The outer peripheral edge of the head pivoting portion 12 is provided with a plurality of abutting grooves 122. The plurality of abutting grooves 122 can be composed of a plurality of ring rings. Composition.

The front end of the shank 20 is provided with a shank pivoting portion 21 and a positioning device 22 at the rear end of the shank pivoting portion 21; the shank pivoting portion 21 includes a pair of spaced apart shanks 211, the two The pair of shanks 211 have a pivoting space 210 for receiving the head pivoting portion 12. The shank pivoting portion 21 is disposed at a rear end of the pivoting space 210 toward the extending direction of the wrench shank 20 The through hole 23 is actuated; and the handle 211 is provided with a pivoting hole 212, and a pivot hole 212 of a handle 211 is opposite to the pivot An expansion groove 213 is defined in the space 210, and the diameter of the expansion groove 213 is larger than the diameter of the pivot hole 212. The positioning device 22 includes an elongated groove-shaped actuating recess 221, and the actuating recess 221 defines a slot 222 extending perpendicularly to the extending direction of the wrench handle 20, and the slot 222 is formed by an elongated slot. The through hole 23 or the actuating through hole 23 and the slot 222 are perpendicularly connected to each other, and the slot hole 222 is provided with an abutting slot 223 at a position in front of the slot 222. In the combination, the head pivoting portion 12 of the wrench head 10 is inserted into the pivoting space 210 of the wrench handle 20, and a pressing collar 123 is disposed in the expanding groove 213, followed by a tip rod. The 214 is disposed on the pivot hole 212 of the handle pivoting portion 21, the pivot hole 121 of the head pivoting portion 12, and the pressing pad 123, so that the wrench head 10 (the head pivoting portion 12) and the wrench handle portion 20 (handle pivoting portion 21) is pivotally connected, and at this time, the abutting groove 122 is located at the rear end (inside) of the pivoting space 210.

The resisting device 30 includes a resisting rod 31 having a rod diameter slightly smaller than the diameter of the actuating through hole 23; the front end of the resisting rod 31 is provided with an abutting head 310, and the abutting head 310 is provided with a rotating groove 311. In this embodiment, the rotating groove 311 is a slotted slot, so that the shape of the rotating slot 311 is not limited to correspond to different screwdrivers. A screwing operation is performed, and a threaded section 312 is provided at the rear end of the resisting rod 31.

The control device 40 includes a pusher member 41. The pusher member 41 is provided with a top cover portion 411 having a long length and a front and rear projection. The pusher member 41 is provided with a post 42. The diameter of the slot is smaller than the length of the slot 222, so that the post 42 can be displaced back and forth in the slot 222; the post 42 is vertically provided with a pair of positioning through holes 421 that should be actuated by the through hole 23, wherein the positioning through hole 421 is A threaded hole is provided. Further, one of the front and rear first abutting grooves 412 and the second abutting groove 413 are disposed under the pushing plate member 41. When the combination is provided, a spring 43 and a top bead 44 are disposed on the abutting slot 223, and the top bead 44 can be moved up and down by the elastic force; the pusher member 41 is disposed in the actuating recess 221, and the insertion is performed. The post 42 is inserted into the slot 222, and the resisting rod 31 is passed through the actuating through hole 23, and finally the threaded portion 312 of the resisting rod 31 is screwed to the positioning through hole 421 (threaded hole), so that the resisting rod 31 is provided. The positioning of the perforations 421 creates a fastening connection and subsequent stabilization of the interlocking operation. As shown in Fig. 3, the assembly of the moving head wrench 1 of the present invention is completed.

As shown in FIG. 3, when the position of the pusher member 41 is at the front, for example, the top cover portion 411 is pushed forward to abut the front end of the actuation recess 221, or the insertion post 42 abuts the slot. 222. At this time, the front end of the resisting rod 31 (the abutting head 310) protrudes from the operating through hole 23 to resist the corresponding abutting groove 122, so that the wrench head 10 is positioned, and the operating portion 11 can be borrowed. The rotation of the workpiece (not shown) is matched; and at the same time, the top bead 44 is elastically raised to abut against the second abutment 413 for braking and positioning the pusher member 41 to prevent displacement thereof. As shown in FIG. 4, when the wrench head 10 is to be adjusted for the pitch or bending angle, the top cover portion 411 (the push plate member 41) is pushed backward, and the latch 42 is used to interlock the resist. The rod 31 is rearwardly disengaged from the resisting groove 71 (the abutting head 310), and the top bead 44 is displaced and abuts against the first abutting groove 412, and is also used for braking and positioning the push. The plate member 41; at this time, the angle of the head portion 10 of the wrench head 10 can be adjusted, and then the top cover portion 411 (the push plate member 41) is pushed forward to regain the resisting rod 31 (to the head portion 310). The protrusion is resisted by the corresponding abutment groove 122, that is, the adjustment operation of the pitch or bending angle of the wrench head 10 is completed.

It should be noted that the combination design of the resisting rod 31 and the insertion post 42 of the present invention is relatively compact and reliable, which not only facilitates manufacturing and assembly, but also has a relatively stable interlocking operation and is not easy to cause deformation or failure of the component, and can greatly enhance its The service life and the operational quality of long-term use.

Referring to FIG. 5, a first embodiment of the brake structure of the rocker wrench of the present invention is mainly designed for the combination of the resisting rod 31 and the insertion post 42. The resisting rod 31 of the present embodiment is a rear The end of the rod 312 is not provided with a threaded portion, and the positioning hole 421a of the insert 42 is also a non-threaded perforation, that is, the fastening of the resisting rod 31 and the positioning through hole 421a is used to complete the fastening of the two. And subsequent stable linkage operations.

Referring to Figures 6, 7 and 8, a second embodiment of the rocker wrench brake structure of the present invention is provided based on the structural features of the first embodiment, the difference being: the resisting rod 31 and the thread segment The 312 is provided with a step 313. The embodiment has the diameter of the resisting rod 31 slightly larger than the diameter of the threaded portion 312, so that the leading edge of the threaded portion 312 forms the step 313; the positioning through hole 421 is A through hole is formed, and the positioning device 22 further includes a spring slot 224 at the rear end of the slot 222. The spring slot 224 communicates with the slot 222 and corresponds to the through hole 421. The spring slot 224 is provided with a slot The elastic member 24 (such as a spring); in addition, the lower portion of the push plate member 41 is not provided with the first abutting groove 412 and the second abutting groove 413 in the first embodiment except for the insertion post 42. The positioning device 22 also does not have the arrangement of the spring 43 and the top bead 44.

In this embodiment, the resisting rod 31 passes through the actuating through hole 23 to screw the threaded portion 312 to the positioning through hole 421 (threaded hole), and the resisting positioning is facilitated by the resisting step 313. The elastic member 24 is formed. And abutting against the rear end of the resisting rod 31 to provide the forward force of the resisting rod 31, the insertion post 42 and the push plate member 41, and the front end of the resisting rod 31 (the abutting head portion 310) protrudes from the actuating through hole 23 Instead, the corresponding offset groove 122 is formed to position the wrench head 10, and the rotation operation of the workpiece by the operation portion 11 can be performed. When the wrench head 10 is to be adjusted for the pitch or bending angle, the top cover portion 411 (the push plate member 41) is pushed backward and pressed, and the resisting rod 31 is linked backward by the insertion post 42. The resisting rod 31 (the abutting head 310) is disengaged from the resisting groove 122, and the angle of the wrench head 10 is adjusted to be pitched or bent; if the top cover portion 411 is released (the pusher member 41) In the pressed state, the resisting rod 31, the insertion post 42 and the push plate member 41 are pushed up by the elastic member 24, and the resisting rod 31 (the push plate member 41) is moved forward to return the resisting rod 31 (forward) The portion 310) protrudes against the corresponding abutting groove 122, that is, the adjustment operation of the pitch or bending angle of the wrench head 10 is completed.

Referring to FIG. 9 , a second embodiment of the brake structure of the rocker wrench of the present invention is mainly designed to change the combination of the resisting rod 31 and the insertion post 42 , wherein the resisting rod 31 of the present embodiment is a rear view. The positioning hole 421b of the insertion post 42 is also a non-threaded hole and is a through hole of the insertion post 42 by the tight fit of the resisting rod 31 and the positioning through hole 421b. The fastening of the two and the subsequent stable operation.

Therefore, the brake structure of the rocking head wrench of the present invention can be constructed and assembled by a simple interlocking design to facilitate the manufacture and assembly of the rocker wrench, and has better manufacturing economical efficiency; and at the same time, the invention can operate the rocking head wrench. The upper part prevents the looseness, the shaking and the break of the components, and the joint stability has excellent stability and operational reliability, thereby actively improving the service life and the operation quality of the moving head wrench.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Therefore, the shapes, structures, features, and spirits described in the scope of the present invention are equally varied and modified. All should be included in the scope of the patent application of the present invention.

1‧‧‧Wrench head wrench

10‧‧‧wrench head

11‧‧‧Operation Department

122‧‧‧Focus

20‧‧‧Wrench handle

21‧‧‧ handle pivot

211‧‧‧ handle

214‧‧‧Top rod

22‧‧‧ Positioning device

23‧‧‧Actuation perforation

40‧‧‧Control device

411‧‧‧Top cover

Claims (9)

A rocker wrench brake structure, comprising: a wrench head having an operating portion, a rear end of the head of the wrench is provided with a pivotal portion, and a plurality of abutting grooves are provided on the outer periphery of the head pivoting portion; a wrench The handle has a handle pivoting portion pivotally connected to the head pivoting portion, the handle pivoting portion includes a pivoting space, and the rear end of the pivoting space is provided with an action toward the extending direction of the wrench handle a positioning device is disposed on the rear end of the pivotal portion of the handle, and the positioning device includes an elongated groove-shaped actuating groove. The actuating groove is provided with a slot perpendicular to the extending direction of the handle portion of the handle. The elongated slot is vertically connected to the actuating through hole; the resisting device comprises a resisting rod; and the operating device comprises a pushing plate member, and the pushing plate member is provided with a insertion post, the diameter of the insertion post is smaller than The length of the slot, the insertion post is vertically provided with a pair of positioning through holes that should be actuated; in the foregoing configuration, the push plate member is disposed in the actuating groove, the insertion post is inserted in the slot, and the resisting rod passes through Actuating the perforation, and the resisting rod is inserted into the Bit perforating fastened thereto is formed, and the resist in the resist lever distal end of the abutment corresponding recess. The rocker wrench brake structure according to the first aspect of the invention, wherein the slot is provided with an abutting slot at a position in front of the slot, the spring is provided with a spring, and the spring is provided with a top bead. There is a first abutting groove on the front side and a second abutting groove behind the first abutting groove. The rocker wrench brake structure of claim 2, wherein the rod diameter of the resisting rod is smaller than the diameter of the actuating perforation, the front end of the resisting rod is provided with an abutting head, and the abutting head is provided with a rotating groove . The swinging head brake structure of claim 3, wherein the rear end of the resisting rod is provided with an abutment step, and the positioning perforation forms a stop positioning by the offset. The rocker wrench brake structure of claim 4, wherein the step is a threaded segment. The rocker wrench brake structure according to claim 1, wherein a top cover portion having a longer length is disposed above the push plate member. The rocker wrench brake structure according to claim 5, wherein the leading edge of the thread segment is formed One is used to generate a resistance to the top positioning. The rocker wrench brake structure of claim 1, wherein the resisting rod is coupled to the positioning perforation. The rocker wrench brake structure of claim 1, wherein the positioning device comprises a spring slot at a rear end of the slot, the spring slot communicates with the slot and correspondingly positions the through hole, and the spring slot is provided There is an elastic member that abuts against the rear end of the resisting rod.