CN205765823U - Ratchet wrench with fast rotation and extendable - Google Patents

Abstract

The utility model discloses a can fast turn and extendible ratchet spanner, including a actuating lever, an operating handle, a rotating head and an operating ring. The driving rod comprises a rod body and a fork-shaped arm connected with the rod body. The rod body is formed with a plurality of locating slots which are mutually spaced and a groove which passes through each locating slot. The operating handle comprises a positioning piece which is positioned in any positioning groove in a sliding way and a limiting piece which is convexly arranged in the groove. The rotating head is pivoted at two ends of the fork-shaped arm. The operating ring is sleeved at one end of the operating handle, wherein the positioning piece is positioned in any positioning groove along with the movement of the operating ring, and the operating ring rotates relative to the driving rod. Borrow this, the user can hold the operation ring extension or shorten operating handle, carries out the operation of quick rotation to the work piece simultaneously.

Description

Ratchet wrench with fast rotation and extendable

technical field

The utility model relates to a ratchet wrench, in particular to a ratchet wrench capable of rapid rotation and elongation.

Background technique

A wrench is one of the commonly used tools in the tool industry. The existing wrench head has operation modes such as a horizontal direction and a ratchet reciprocating rotation mode. Nuts or bolts have different sizes due to different purposes and requirements, and even the same machine has many different sizes of nuts or bolts, so it is often necessary to prepare multiple wrenches of different sizes to Prepare for disassembly or locking operations. However, preparing multiple spanner tools of different sizes not only costs a lot of purchase cost, but also easily causes confusion and inconvenience in collection management.

Furthermore, the handles of existing wrenches are usually divided into short handles, middle handles, and long handles. They need to be manufactured in several sizes. In addition to increasing the cost, the user also needs to increase the storage space in order to use different lengths. wrench, which is even more inconvenient.

Utility model content

One of the purposes of the present invention is to provide a fast-rotating and extendable ratchet wrench which can be extended or shortened by the user by holding the operating ring and at the same time rapidly rotating the work object.

In order to achieve the above purpose, the utility model provides a ratchet wrench capable of fast rotation and stretching, including:

A driving rod, comprising a rod body and a fork arm connected to the rod body, the rod body is formed with a plurality of positioning slots spaced apart from each other and a groove passing through each of the positioning slots;

An operating handle, including a positioning piece slidably positioned in any one of the positioning grooves, a limiting piece protruding from the groove, and a receiving cavity for accommodating the rod;

a swivel head, comprising a spherical housing and a ratchet mechanism disposed in the spherical housing, the swivel head is pivotally connected to two ends of the fork arm; and

An operating ring is sleeved on one end of the operating handle, wherein the positioning member is positioned in any one of the positioning grooves as the operating ring moves, and the operating ring rotates relative to the driving rod.

Wherein the operating ring further includes a first slot and a second slot corresponding to the first slot.

The first slot and the second slot are respectively formed at two ends of the operating ring, and the positioning member is accommodated in the first slot.

Wherein the operating handle further includes a perforation for accommodating the locating member, a fixing fastener disposed in the second slot, and an elastic component abutting against one side of the fixing fastener.

Wherein the through hole communicates with the first slot, and the elastic component is sheathed on the outer circumference of the operating handle relative to the second slot.

Wherein the operating ring further includes an inclined surface located in the first slot, and the positioning member is slidably positioned in any one of the positioning grooves along the inclined surface.

Wherein the positioning member is a spherical ball or an arc-shaped ball, and the elastic component is a compression spring.

The operating ring further includes a ring groove and a rotating ring disposed in the ring groove, and the rotating ring can rotate relative to the operating ring and the operating handle.

Wherein the swivel head also forms a pivot axis passing through both ends of the fork arm, and the swivel head rotates at an angle around the pivot axis.

It also includes a locking button, which is arranged in the driving rod with an axial hole, wherein the rotating head also includes an output member protruding from one end of the spherical casing and a plurality of A buckle slot, the locking button can elastically move to fasten any one of the buckle slots.

The utility model also has the following advantages: the position-limiting part protruding from the operating handle is engaged with the groove of the rod body, and the positioning part is positioned on the corresponding positioning groove, so that no matter which positioning groove the operating ring is positioned in, it can achieve The purpose of quickly rotating the operating handle. In addition, the utility model is also provided with a locking button arranged in the axial hole. The locking button can be locked with the fastening groove of the rotating head to maintain the stability and stability of the operation.

Description of drawings

FIG. 1 is a perspective view illustrating a first preferred embodiment of the present invention.

FIG. 2 is a cross-sectional view illustrating a first preferred embodiment of the present invention.

FIG. 3 is another cross-sectional view illustrating the first preferred embodiment of the present invention.

FIG. 4 is another perspective view illustrating the first preferred embodiment of the present invention.

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

FIG. 6 is a perspective view illustrating a second preferred embodiment of the present invention.

FIG. 7 is a cross-sectional view illustrating a second preferred embodiment of the present invention.

In the picture:

100 ratchet wrench; 110 drive rod; 112 rod body; 114 positioning slot; 116 groove; 120 fork arm; 122 fork opening; 124 support bolt; 128 axial hole; 130 operating handle; ; 136 storage cavity; 138 perforation; 140 axis of rotation; 150 rotating head; 152 output member; 154 positioning ball; 156 spherical shell; 158 central axis; ; 170 pivot axis; 200 operating ring; 210 first slot; 212 slope; 220 second slot; 230 elastic component; 240 fixed fastener; 250 rotating ring; 252 ring groove; ; 264 positioning pin; 266 locking spring.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the utility model and implement it, but the examples given are not intended to limit the utility model.

As shown in FIGS. 1 and 5 , the present invention provides a fast-rotating and extendable ratchet wrench 100 , which includes a driving rod 110 , an operating handle 130 , a rotating head 150 and an operating ring 200 . The driving rod 110 includes a rod body 112 and a fork arm 120 connected to the rod body 112 . A plurality of positioning grooves 114 spaced apart from each other and a groove 116 passing through each positioning groove 114 are formed on the outer peripheral surface of the rod body 112 , wherein the depth of each positioning groove 114 is greater than the depth of the groove 116 . The operating handle 130 includes a positioning piece 132 slidably positioned in any positioning slot 114 , a limiting piece 134 protruding from the groove 116 , and a receiving chamber 136 for accommodating the rod 112 .

The swivel head 150 is pivotally connected to two ends of the fork arm 120 . In this embodiment, the swivel head 150 also includes a spherical housing 156, a ratchet mechanism (not shown) disposed in the spherical housing 156, a square output member 152 protruding from one end of the spherical housing 156, and an outer surface of the spherical housing 156. A plurality of fastening grooves 160, positioning balls 154 located on the side wall of the output member 152 and a ratchet mechanism (not shown) connected to the output member 152, wherein the size of the output member 152 can be 1/4 inch, 3/8 inch or l/2 inch, not limited. The rotating head 150 utilizes the positioning ball 154 of the output member 152 to engage and assemble sleeves of various sizes (not shown), so as to tighten or loosen the workpiece (not shown). Since the ratchet mechanism is an existing device, no more details are given here.

In addition, the driving rod 110 further includes two support pins 124 and a pivot axis 170 formed through two ends of the fork arm 120 . Two supporting bolts 132 are installed at both ends of the fork-shaped arm 130 and pivotally connected between the spherical housing 210 and the fork-shaped arm 130, so that the swivel head 200 can freely rotate an angle in the fork-shaped opening 122 with the pivot axis 170 as the axis. , such as 0 degrees to 270 degrees.

In the embodiment shown in FIG. 2 and FIG. 5 , each fastening groove 160 at least includes a first fastening groove 162 arranged on the top of the spherical housing 156 and a second fastening groove 162 arranged on the side wall of the spherical housing 156 Slot 164. An angle of 90 degrees is preferably formed between the first fastening groove 162 and the second fastening groove 164, so that the user can rotate quickly in an upright state or rotate the operating handle 130 back and forth in a horizontal state, so that the rotating head 200 is opposite to the work object ( Figure omitted) for tightening or loosening operations.

That is to say, when the central axis 158 of the output member 152 is parallel to the rotation axis 140 of the driving rod 110, the user can hold the operating ring 200 with one hand in an upright state, and quickly rotate the operating handle 130 with the other hand, so as to quickly control the work object. Tighten or loosen. However, in the embodiment shown in FIGS. 4 and 5 , when the central axis 158 of the output member 152 is perpendicular to the rotation axis 140 of the driving rod 110 , the user can reciprocate the ratchet wrench 100 in a horizontal state. The rotation axis 140 mentioned here preferably refers to the centerline of the driving rod 110 and/or the operating handle 130 .

The operating ring 200 is sleeved on one end of the operating handle 130 , wherein the positioning member 132 is positioned in any positioning slot 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 the inner side walls of the two ends of the operation ring 200 , and the positioning member 132 is accommodated in the first slot 210 .

The operating handle 130 further includes a through hole 138 for accommodating the positioning member 132 , a fixing fastener 240 disposed in the second slot 220 , and an elastic component 230 abutting against one side of the fixing fastener 240 . The through hole 138 communicates with the first slot 210 , so that the positioning member 132 can move in the through hole 138 along the groove 116 of the rod body 112 . The elastic component 230 is sleeved on the outer circumference of the operating handle 130 relative to the second slot 220 . The fixing fastener 240 referred to here is preferably a C-shaped buckle or other suitable fasteners. The operating ring 200 further includes an inclined surface 212 located in the first slot 210 , and the positioning member 132 is slidably positioned in any positioning groove 114 along the inclined surface 212 . In this embodiment, the positioning member 132 is preferably a spherical ball, an arc-shaped ball or other suitable components, and the elastic component 230 is a compression spring or other suitable components.

The detailed method of operating the fast-rotating and extendable ratchet wrench 100 of the present invention will be further described below. As shown in FIGS. 1 and 2 , when the operating handle 130 is not extended, the positioning member 132 is pressed by the inclined surface 212 and positioned on the frontmost positioning groove 114 of the rod body 112 . As shown in FIG. 3 , when the length of the operating handle 130 is extended, the operating ring 200 moves toward the bottom of the receiving cavity 136 relative to the operating handle 130 . When the elastic component 230 is compressed by force, the stopper 134 of the operation ring 200 will move along the groove 116 of the rod body 112 .

That is to say, the operating ring 200 simultaneously drives the positioning member 132 and the operating handle 130 to slide axially on the rod body 112 until the operating ring 200 is released to a suitable length. At this time, the elastic component 230 restores the elastic force and uses the slope 212 to position the positioning member 132 on the corresponding positioning groove 114 . Conversely, when the length of the operating handle 130 needs to be shortened, the operating ring 200 is also moved away from the rotating head 150 until the desired length is reached, and the operating handle 130 is released to complete the operation, which is very convenient. Therefore, regardless of the operation of extending or shortening the operating handle 130 , the operating ring 200 must be pushed backward to release the positioning member 132 of the operating ring 200 and move to the positioning slot 114 of the appropriate rod body 112 .

In particular, when fast rotation is required, since the stopper 134 protruding from the operating handle 130 engages with the groove 116 of the rod body 112 to limit each other, and the positioning member 132 is positioned on the corresponding positioning groove 114, No matter which positioning slot 114 the operating ring 200 is positioned in, the operating handle 130 can be quickly rotated without slipping.

Please refer to FIG. 6 and FIG. 7 together, which are perspective and cross-sectional views of a second preferred embodiment of the present invention. As shown in the figure, the operating ring 200 of this embodiment further includes a ring groove 252 and a rotating ring 250 disposed in the ring groove 252 . The rotating ring 250 can rotate relative to the operating ring 200 and the operating handle 130, so that the user can hold the rotating ring 250 with one hand and quickly rotate the operating handle 130 with the other hand, thereby locking or loosening the workpiece (not shown).

In addition, in this embodiment, a lock button 260 for fastening the rotating head 150 is also included. As shown in Figure 3, the locking button 260 is preferably arranged in the drive rod 110 having an axial hole 128, which includes a sliding button 262, a positioning pin 264 connected to one end of the sliding button 262 and a lock connected to the other end of the sliding button. Stop spring 266. One end of the sliding button 262 preferably protrudes out of the axial hole 128 of the driving rod 110 for easy operation by the user. The shape of the positioning pin 264 is preferably set corresponding to the shape of the fastening groove 160 , such as semicircle, arc or other suitable shape, so as to fasten the fastening groove 160 .

The positioning pin 264 protrudes out of the fork-shaped opening 122 under the action of the locking spring 266 and is held in any engaging groove 160 (the first engaging groove 162 in this embodiment). The user only needs to move or toggle the locking button 260 to disengage the positioning pin 264 from the first engaging groove 162 , and then rotate the rotating head 150 to a desired angle, such as the second engaging groove 164 . After the locking button 260 is released, the locking spring 266 recovers its elastic force and can lock the second locking groove 164 again to position the rotating head 150 , as shown in FIGS. 5 and 6 .

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

Therefore, the ratchet wrench 100 of this embodiment can not only adjust the length of the operating handle 130 conveniently and at any time according to the needs of the construction environment, but also can be in the upright state, that is, the central axis 158 of the output member 152 and the axis of rotation of the drive rod 110 When 140 is parallel, rotate the operating handle 130 quickly to achieve the purpose of quickly locking or loosening the work object (not shown).

The above-mentioned embodiments are only preferred embodiments for fully illustrating the utility model, and the protection scope of the utility model is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present utility model are all within the protection scope of the present utility model. The scope of protection of the utility model shall be determined by the claims.

Claims (10)

1. A fast-rotating and extendable ratchet wrench, characterized in that it comprises: A driving rod, comprising a rod body and a fork arm connected to the rod body, the rod body is formed with a plurality of positioning slots spaced apart from each other and a groove passing through each of the positioning slots; An operating handle, including a positioning piece slidably positioned in any one of the positioning grooves, a limiting piece protruding from the groove, and a receiving cavity for accommodating the rod; a swivel head, comprising a spherical housing and a ratchet mechanism disposed in the spherical housing, the swivel head is pivotally connected to two ends of the fork arm; and An operating ring is sleeved on one end of the operating handle, wherein the positioning member is positioned in any one of the positioning grooves as the operating ring moves, and the operating ring rotates relative to the driving rod. 2. The rapidly rotating and extendable ratchet wrench according to claim 1, wherein the operating ring further comprises a first slot and a second slot corresponding to the first slot groove. 3. The fast-rotating and extendable ratchet wrench according to claim 2, wherein the first slot and the second slot are respectively formed at both ends of the operating ring, and the positioning member accommodates placed in the first slot. 4. The fast-rotating and extendable ratchet wrench according to claim 2, wherein the operating handle further comprises a perforation for accommodating the positioning member, and a fixing buckle disposed in the second slot A piece and an elastic component that interferes with one side of the fixing fastener. 5 . The fast-rotating and extendable ratchet wrench according to claim 4 , wherein the through hole communicates with the first slot, and the elastic component is sleeved on the operation side relative to the second slot. The outer circumference of the handle. 6 . The fast-rotating and extendable ratchet wrench according to claim 4 , wherein the operating ring further comprises an inclined surface located in the first slot, and the positioning member slides along the inclined surface. Locate in any of the positioning slots. 7 . The fast-rotating and extendable ratchet wrench according to claim 4 , wherein the positioning member is a spherical ball or an arc-shaped ball, and the elastic component is a compression spring. 8. The fast-rotating and extendable ratchet wrench according to claim 1, wherein the operating ring further comprises a ring groove and a rotating ring disposed in the ring groove, the rotating ring can be opposite to the The operating ring and the operating handle rotate. 9. The rapidly rotating and extendable ratchet wrench according to claim 1, wherein the swivel head is further formed with a pivot axis passing through both ends of the fork arm, the swivel head is pivoted by the pivot The axis is rotated by an angle for the axis. 10. The fast-rotating and extendable ratchet wrench according to claim 1, further comprising a locking button disposed in the driving rod having an axial hole, wherein the locking button The rotating head also includes an output member protruding from one end of the spherical housing and a plurality of fastening slots provided outside the spherical housing, and the locking button can elastically move and fasten any one of the fastening slots.