TWM527811U - Ratchet wrench with quick rotation and elongation - Google Patents

Description

Ratchet wrench with fast rotation and extensibility

This creation relates to a ratchet wrench, especially a ratchet wrench with a fast rotation and an extensibility.

The wrench is one of the commonly used tools in the tool industry. The existing wrench head has a horizontal direction, a ratchet reciprocating rotation mode and the like. Nuts or bolts have different sizes and sizes, and even have different sizes of nuts or bolts on the same machine. Therefore, it is often necessary to prepare multiple wrench tools of different sizes for disassembly. Or lock the job. However, preparing a plurality of wrench tools of different sizes not only costs a lot of purchase costs, but also causes confusion and inconvenience in collection management.

Moreover, the handles of the existing wrenches are usually divided into short handles, middle handles and long handles, and the lengths of several sizes are required. In addition to increasing the cost, the user also needs to increase the storage space to use wrenches of different lengths and lengths. And more inconvenient.

In view of this, the creator has made great efforts to solve the above problems by focusing on the above-mentioned prior art, and has devoted himself to the application of the theory, that is, the goal of the creator's improvement.

One of the objects of the present invention is to provide a ratchet wrench with a fast rotation and an extensibility that a user can hold the operating ring to extend or shorten the operating handle while rapidly rotating the work.

To achieve the above object, the present invention provides a ratchet wrench having a fast rotation and an extensibility, comprising a driving rod, an operating handle, a rotating head and an operating ring. The drive rod includes a rod body and a fork arm connecting the rod body. The rod body is formed with a plurality of positioning grooves spaced apart from each other and a groove passing through each of the positioning grooves. The operating handle includes a positioning member slidably positioned on any of the positioning slots, a limiting member protruding from the groove, and a receiving cavity for receiving the rod body. The rotating head comprises a spherical outer casing and a ratchet mechanism disposed in the spherical outer casing and pivoted to the two ends of the forked arm. The operating ring is sleeved on one end of the operating handle, wherein the positioning member is positioned in any positioning slot as the operating ring moves, and the operating ring rotates relative to the driving rod.

The creation also has the following advantages: the limiting member protruding from the operating handle is engaged with the groove of the rod body, and the positioning member is positioned on the corresponding positioning groove, so that the operating ring can be reached regardless of which positioning groove is positioned. Quickly rotate the handle for the purpose. In addition, the creation also has a locking button placed in the axial hole. The locking button can be kept in engagement with the fastening groove of the rotary head to maintain the stability and stability of the operation.

The detailed description and technical content of the present invention are described below with reference to the drawings, but the drawings are only for reference and explanation, and are not intended to limit the creation.

As shown in FIGS. 1 and 5, the present invention provides a ratchet wrench 100 having a fast rotation and an extensibility, comprising a driving rod 110, an operating handle 130, a rotating head 150 and an operating ring 200. The driving rod 110 includes a rod 112 and a fork arm 120 connecting the rod body 112. The outer circumferential surface of the rod body 112 is formed with a plurality of positioning grooves 114 spaced apart from each other and a groove 116 passing through each of the positioning grooves 114, wherein the depth of each positioning groove 114 is greater than the depth of the groove 116. The operating handle 130 includes a positioning member 132 slidably positioned on any of the positioning slots 114 , a limiting member 134 protruding from the groove 116 , and a receiving cavity 136 accommodating the rod body 112 .

The rotating head 150 is pivotally connected to both ends of the fork arm 120. In this embodiment, the rotary head 150 further includes a spherical outer casing 156, a ratchet mechanism (not shown) disposed in the spherical outer casing 156, a one-piece output member 152 protruding from one end of the spherical outer casing 156, and a spherical outer casing 156. The plurality of fastening slots 160, the positioning ball 154 disposed on a side wall of the output member 240, and the ratchet mechanism (not shown) connected to the output member 152, wherein the output member 152 can be 1/4 inch, 3/8 inch or l/2 inches, no limit. The rotating head 150 is engaged with the positioning balls 154 of the output member 152 to assemble various sleeves of different sizes (not shown) to tighten or loosen the workpiece (not shown). Since the ratchet mechanism is an existing device, it will not be described here.

In addition, the drive rod 110 further includes two support pins 124 and a pivot axis 170 formed through the ends of the fork arms 120. Two support pins 132 are mounted on both ends of the fork arms 130 and pivotally connected between the spherical housing 210 and the fork arms 130, so that the rotary head 200 can freely rotate at an angle of the fork opening 122 with the pivot axis 230 as an axis. , for example, 0 degrees to 270 degrees.

In the embodiment shown in FIG. 2 and FIG. 5 , each of the fastening slots 160 includes at least a first fastening slot 162 disposed on the top of the spherical housing 156 and a second fastening slot disposed on the sidewall of the spherical housing 156 . 164. Preferably, the first fastening groove 162 and the second fastening groove 164 form an angle of 90 degrees, so that the user can quickly rotate in the upright state or reciprocally rotate the handle 110 in a horizontal state, so that the rotating head 200 faces the workpiece (fig. Slightly) carry out the operation of tightening or loosening.

That is, when the central axis 158 of the output member 152 is parallel to the rotational axis 140 of the drive rod 110, the user can hold the operating ring 200 in one hand in an upright state and quickly rotate the operating handle 130 in the other hand to quickly work on the workpiece. Tighten or turn loose. However, in the embodiment shown in Figures 4 and 5, when the central axis 158 of the output member 152 is perpendicular to the axis of rotation 140 of the drive rod 110, the user can reciprocally operate the ratchet wrench 100 in a horizontal state. The axis of rotation 140 described herein preferably refers to the centerline of the drive rod 110 and/or the operating handle 130.

The operating ring 200 is sleeved at one end of the operating handle 130, wherein the positioning member 132 is positioned in any of the positioning slots 114 as the operating ring 200 moves, and the operating ring 200 rotates relative to the driving rod 110. In the embodiment shown in FIG. 2, FIG. 3 and FIG. 5, the operating ring 200 further includes a first slot 210 and a second slot 220 corresponding to the first slot 210. The first slot 210 and the second slot 220 are respectively formed on inner side walls of the operating ring 200, and the positioning member 132 is received in the first slot 210.

The operating handle 130 further includes a through hole 138 for receiving the positioning member 132, a fixing fastener 240 disposed on the second slot 220, and a resilient member 230 on the side of the fixing fastener 240. The perforations 138 are in communication with the first slot 210 to enable the positioning member 132 to move within the perforations 138 along the grooves 116 of the shaft 112. The elastic member 230 is sleeved on the outer circumference of the operating handle 130 with respect to the second slot 220. The fastening fastener 240 referred to herein is preferably a C-shaped buckle or other suitable fastener. The operating ring 200 further includes a beveled surface 212 located within the first slot 210. The positioning member 132 is slidably positioned along the beveled surface 212 to any of the positioning slots 114. In this embodiment, the positioning member 132 is preferably a spherical ball, an arcuate ball or other suitable component, and the elastic member 230 is a compression spring or other suitable component.

A detailed method of operating the ratchet wrench 100 that is rapidly rotating and extensible is described below. As shown in FIGS. 1 and 2, when the operating handle 130 has not been extended, the positioning member 132 is pressed by the inclined surface 212 to be positioned on the positioning groove 114 at the foremost end of the rod 112. As shown in FIG. 3, when the operating handle 130 is extended in length, the operating ring 200 is moved relative to the operating handle 130 in the direction of the bottom end of the receiving cavity 136. The elastic member 230 is compressed by force, and the limiting member 134 of the operating ring 200 moves along the groove 116 of the rod 112.

That is to say, the operating ring 200 simultaneously drives the positioning member 132 and the operating handle 130 to slide axially in the shaft 112 until the appropriate length releases the operating ring 200. At this time, the elastic member 230 returns to the elastic force and positions the positioning member 132 on the corresponding positioning groove 114 by the inclined surface 212. Conversely, when it is necessary to shorten the length of the operating handle 130, the operating ring 200 is also moved away from the rotating head 150 until the desired length is released, and the operation handle 130 is released to complete the operation, which is very convenient. Therefore, whether the operation of the operating handle 130 is extended or shortened, the operating ring 200 must be pushed rearward to release the positioning member 132 of the operating ring 200 and move to the positioning groove 114 of the appropriate rod 112.

In particular, when the fast-rotating operation is required, since the limiting members 134 protruding from the operating handle 130 are engaged with the grooves 116 of the rod 112, the positioning members 132 are positioned on the corresponding positioning grooves 114. The operating ring 200 can be rotated to operate the handle 130 without sliding, regardless of which positioning slot 114 is positioned.

Please refer to FIG. 6 and FIG. 7 together for a perspective view and a cross-sectional view of a second preferred embodiment of the present invention. As shown, the operating ring 200 of the present embodiment further includes a ring groove 252 and a rotating ring 250 disposed in the ring groove 252. The rotating ring 250 is rotatable relative to the operating ring 200 and the operating handle 130 so that the user can hold the rotating ring 250 in one hand, and the other hand can quickly rotate the operating handle 130 to lock or loosen the work (not shown).

In addition, in the embodiment, a lock button 260 of the fastening rotary head 150 is further included. As shown in FIG. 3, the lock button 260 is preferably disposed in the drive rod 110 having an axial hole 128, and includes a slide button 262, a positioning pin 264 connecting one end of the slide button 262, and a lock connecting the other end of the slide button. Stop spring 266. One end of the slide button 262 preferably protrudes out of the axial bore 128 of the drive rod 110 for the user to operate. The shape of the positioning pin 264 is preferably disposed corresponding to the shape of the engaging groove 160, such as a semicircular shape, an arc shape, or other suitable shape to facilitate the engagement groove 160.

The positioning pin 264 is protruded from the fork-shaped opening 122 by the action of the locking spring 266 and is retained by any of the fastening slots 160 (the first fastening slot 162 in this embodiment). The user only needs to move or toggle the lock button 260 to disengage the positioning pin 264 from the first fastening slot 162, thereby rotating the rotary head 150 to a desired angle, such as the second fastening slot 164. After the lock button 260 is released, the lock spring 266 returns to the elastic force to re-lock the second engagement groove 164 to position the rotary head 150, as shown in FIGS. 5 and 6.

It should be noted that the fork arm 130 of the driving rod 110 is generally larger than the size of the rod 142, so that the ratchet wrench 100 of the present invention has better strength and operation quality. In addition, in order to enable the user to firmly hold the operating ring 200 and/or the operating handle 130, the operating ring 200 and/or the operating handle 130 portion of the surface or outer surface also includes an embossed structure.

Therefore, the ratchet wrench 100 of the present embodiment can adjust the length of the operating handle 130 conveniently and at any time according to the needs of the construction environment, and can also be in an upright state, that is, the central axis 158 of the output member 152 and the rotation axis of the driving rod 110. When the 140 is parallel, the operating handle 130 is quickly rotated to quickly lock or loosen the workpiece (not shown).

In summary, the embodiments disclosed herein are to be considered as illustrative of the present invention and are not intended to limit the present invention. The scope of this creation is defined by the scope of the appended patent application and covers its legal equivalents and is not limited to the foregoing description.

100‧‧‧ Ratchet Wrench

110‧‧‧ drive rod

112‧‧‧ rod body

114‧‧‧ positioning slot

116‧‧‧ trench

120‧‧‧forked arm

122‧‧‧ forked opening

124‧‧‧Support bolt

128‧‧‧Axial hole

130‧‧‧Operation handle

132‧‧‧ Positioning parts

134‧‧‧Limited parts

136‧‧‧ containment chamber

138‧‧‧Perforation

140‧‧‧Rotation axis

150‧‧‧Rotating head

152‧‧‧ Outputs

154‧‧‧ Positioning ball

156‧‧‧ spherical shell

158‧‧‧ center axis

160‧‧‧ buckle slot

162‧‧‧First fastening groove

164‧‧‧Second snap groove

170‧‧‧ pivot axis

200‧‧‧Operating ring

210‧‧‧First slot

212‧‧‧Bevel

220‧‧‧second slot

230‧‧‧Flexible components

240‧‧‧Fixed fasteners

250‧‧‧Rotating ring

252‧‧‧ Ring groove

260‧‧‧Lock button

262‧‧‧ sliding button

264‧‧‧Locating pin

266‧‧‧Lock spring

1 is a perspective view showing a first preferred embodiment of the present creation.

2 is a cross-sectional view showing a first preferred embodiment of the present creation.

3 is another cross-sectional view showing the first preferred embodiment of the present creation.

4 is another perspective view showing the first preferred embodiment of the present creation.

Figure 5 is a cross-sectional view of Figure 4.

Figure 6 is a perspective view showing a second preferred embodiment of the present creation.

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

100‧‧‧ Ratchet Wrench

110‧‧‧ drive rod

112‧‧‧ rod body

114‧‧‧ positioning slot

116‧‧‧ trench

120‧‧‧forked arm

128‧‧‧Axial hole

130‧‧‧Operation handle

132‧‧‧ Positioning parts

134‧‧‧Limited parts

136‧‧‧ containment chamber

138‧‧‧Perforation

150‧‧‧Rotating head

152‧‧‧ Outputs

154‧‧‧ Positioning ball

156‧‧‧ spherical shell

160‧‧‧ buckle slot

162‧‧‧First fastening groove

164‧‧‧Second snap groove

170‧‧‧ pivot axis

200‧‧‧Operating ring

210‧‧‧First slot

220‧‧‧second slot

230‧‧‧Flexible components

240‧‧‧Fixed fasteners

260‧‧‧Lock button

Claims (11)

A ratchet wrench with a fast rotation and an extensibility, comprising: a driving rod comprising a rod body and a fork arm connecting the rod body, the rod body forming a plurality of positioning grooves spaced from each other and passing through the positioning grooves An operating handle includes a positioning member slidably positioned on any of the positioning grooves, a limiting member protruding from the groove, and a receiving cavity for receiving the rod; a rotating head, The utility model comprises a spherical outer casing and a ratchet mechanism disposed in the spherical outer casing, wherein the rotary head is pivotally connected to the two ends of the forked arm; and an operating ring is sleeved on one end of the operating handle, wherein the positioning component follows the operation The movement of the ring is positioned in either of the positioning slots, and the operating ring rotates relative to the drive rod. The fast-rotating and extensible ratchet wrench of claim 1, wherein the operating ring further comprises a first slot and a second slot disposed corresponding to the first slot. The first and second slots are respectively formed at two ends of the operation ring, and the positioning member is received in the first slot. The fast-rotating and extensible ratchet wrench of claim 2, wherein the operating handle further comprises a through hole for receiving the positioning member, a fixing fastener disposed on the second slot, and abutting the fixing buckle An elastic element on one side of the piece. A ratchet wrench with a fast rotation and an extensibility as claimed in claim 4, wherein the perforation is in communication with the first slot, and the elastic member is sleeved on the outer circumference of the operating handle with respect to the second slot. The fast-rotating and extensible ratchet wrench of claim 4, wherein the operating ring further comprises a beveled surface in the first slot, the positioning member is slidably positioned along the inclined surface of any of the positioning slots . The ratchet wrench with fast rotation and extensibility according to claim 4, wherein the positioning member is a spherical ball or an arc-shaped ball, and the elastic member is a compression spring. The fast-rotating and extensible ratchet wrench of claim 1, wherein the operating ring further comprises a ring groove and a rotating ring disposed on the ring groove, the rotating ring being rotatable relative to the operating ring and the operating handle. A fast-rotating and extensible ratchet wrench according to claim 1, wherein the rotary head further forms a pivot axis passing through the two ends of the fork arm, the rotary head rotating at an angle with the pivot axis as an axis . A ratchet wrench having a fast rotation and an extensibility as claimed in claim 1 further comprising a lock button disposed in the drive rod having an axial bore. The fast-rotating and extensible ratchet wrench of claim 10, wherein the rotary head further comprises a spherical outer casing, an output member protruding from one end of the spherical outer casing, and a plurality of engaging grooves disposed outside the spherical outer casing. The lock button can elastically move any of the fastening grooves.