TWI613044B - Adjustable wrench - Google Patents

Abstract

The invention relates to a movable wrench, which comprises: a first clamping jaw, a second clamping jaw and a sleeve. The first clamping jaw has a first bonding surface, and the second clamping jaw is movable relative to the first clamping jaw and has a second bonding surface. The second bonding surface and the first bonding surface of the first clamping frame are parallel to each other and collectively define a mouth for receiving an external nut. The sleeve has a tooth surface, and the sleeve is sleeved on the second jaw so that the tooth surface of the sleeve and the first engagement surface of the first clip that are not sleeved define a clamp Mouth to clamp an outer column.

Description

Movable wrench

The invention relates to an adjustable wrench, in particular to a movable wrench which can be sleeved with a clamping sleeve and has a pipe wrench function.

In general, the adjustable wrench is used to pull a nut or a screw head, and is not suitable for rotating a water pipe or the like. If you want to turn the water pipe, it is usually done with a pipe wrench.

Taiwan Patent No. 192771 discloses a movable wrench which is combined with an adjustable wrench and a pipe wrench. The utility model generally has a wrench body, a movable rod movable on the wrench body, and is disposed on the wrench body. a fixed raft, an active raft on the movable pole, and a bite block adjacent to the active raft. In this way, the user can selectively use the activity of the adjustable wrench to cooperate with the fixed jaw to fasten the nut or the screw head for the pulling operation. In addition, the user also switches to use the fixed cymbal of the adjustable wrench to engage the occlusion block to bite the water pipe to rotate the water pipe. However, each time the switch is made, the user must first manipulate a worm frame to allow the movable bar to disengage from the wrench body, and then detach the movable bar from the wrench body together with the movable jaw and the snap block thereon. . Next, the removed movable rod, the movable cymbal and the bite block are reversed by 180 degrees, and then connected by the same technique. Therefore, although the adjustable wrench has the function of the pipe wrench, the structure is complicated, and the switching is time-consuming and labor-intensive.

The invention provides a movable wrench which comprises: a first clamping jaw, a second clamping jaw and a sleeve. The first clip has a first bonding surface. The second clip is movable relative to the first clip and has a second mating surface. The second bonding surface and the first bonding surface of the first clamping frame are parallel to each other and collectively define a mouth for receiving an external nut. The sleeve has a tooth surface, and the sleeve is selectively sleeved on the second clip. When the sleeve is sleeved on the second clip, the sleeve covers the second clip. The second bonding surface is such that the tooth surface of the crotch sleeve and the first bonding surface of the first clamping frame together define a jaw to clamp an outer tubular string.

Preferably, the movable wrench further comprises: a wrench body, a movable seat and a control member. The movable seat is movably disposed on the wrench body. The control member is configured to drive the movable seat to be displaced relative to the wrench body. The first clamp is disposed on the wrench body, and the second clamp is disposed on the movable seat.

Preferably, the wrench body has a toothed rail, the movable seat has a longitudinal passage and a transverse notch communicating with the longitudinal passage, and the movable seat is movably sleeved on the wrench body by the longitudinal passage. The control member has a worm pivoted in the lateral slot of the movable seat and engaged with the rack of the wrench body to drive the movable seat along the rack to be displaced relative to the wrench body.

Preferably, an inner end edge of the second bonding surface of the second clip defines a card groove, and the sleeve is formed with a hook portion corresponding to the groove, when the sleeve is sleeved on the second folder, The hook portion of the sleeve corresponds to the card groove of the second clip.

Preferably, when the sleeve is sleeved on the second jaw, the tooth surface of the sleeve is inclined to the first abutting surface of the first jaw, so that the jaw is gradually expanded from the inside to the outside. .

Preferably, the tooth profile of each of the tooth flanks of the crotch sleeve is asymmetrical.

Preferably, the sleeve defines a receiving groove on one side thereof, the shape of which matches a contour of the second clip for receiving the second clip.

Preferably, the movable wrench further comprises: a screw, wherein the second clamp has a screw hole, and the sleeve has a through hole, and the through hole communicates with the receiving of the sleeve a slot, when the receiving slot of the sleeve receives the second clip, the screw hole of the second clip is collinear with the through hole of the sleeve, and the screw is threaded to lock the sleeve to the first Two clips.

100‧‧‧Active wrench

1‧‧‧Wrench body

10‧‧‧ rack

2‧‧‧ activity seat

21‧‧‧Longitudinal channel

22‧‧‧ lateral missing

3‧‧‧First folder颚

31‧‧‧First mating surface

34‧‧‧颚口

35‧‧ ‧ jaw

4‧‧‧Second folder

41‧‧‧Second mating surface

42‧‧‧ card ditch

43‧‧‧ screw holes

5‧‧‧颚 sets

51‧‧‧ tooth surface

52‧‧‧ receiving slot

53‧‧‧Perforation

54‧‧‧Hook

6‧‧‧Controls

61‧‧‧ worm

7‧‧‧ screws

8‧‧‧ nuts

9‧‧‧ column

The first figure is a schematic view of the three-dimensional structure of the movable wrench of the present invention.

The second figure is a perspective exploded view of the movable wrench of the first figure.

The third figure is a partial side view of the movable wrench of the movable wrench of the second figure that has not been assembled.

The fourth figure is the situation after the movable wrench of the third figure is sleeved.

The fifth figure is a schematic view of the three-dimensional structure of the second figure.

The sixth figure is a partially enlarged schematic view of the fourth figure.

Figures 1 through 6 show a preferred embodiment of the movable wrench 100 of the present invention. As shown in the second figure, the movable wrench 100 generally includes a wrench body 1 , a movable seat 2 movably sleeved on the wrench body 1 , and a first clip 3 disposed at one end of the wrench body 1 . a second clip 4 disposed on the movable seat 2, a sleeve 5 and a control member 6 that can be sleeved on the second clip 4. The control member 6 is configured to drive the movable seat 2 relative to the wrench body 1 to control the distance between the first clamp 3 and the second clamp 4 .

In detail, the wrench body 1 has a rack 10 . The movable seat 2 has a longitudinal passage 21 and a lateral notch 22 communicating with the longitudinal passage 21. The movable seat 2 is movably sleeved on the wrench body 1 by the longitudinal passage 21 . The control member 6 has a worm 61. The worm 61 is pivotally disposed in the lateral notch 22 of the movable seat 2 and meshes with the rack 10 of the wrench body 1 to drive the movable seat 2 along the rack 10 . Displaced relative to the wrench body 1.

Referring to the third figure, the first folder 3 has a first bonding surface 31, The second clamping jaw 4 has a second bonding surface 41 opposite and parallel to the first bonding surface 31. The first bonding surface 31 of the first clamping frame 3 and the second bonding surface 41 of the second clamping frame 4 together define a mouth 34 for receiving an external nut 8.

Referring to the second figure, the crotch sleeve 5 has a tooth surface 51 and is selectively sleeved on the second clamping frame 4, as shown in the fourth figure, when the crotch sleeve 5 is sleeved on the second clamping frame. At the time of 颚4, the crotch cover 5 covers the second abutment surface 41 of the second clamp 4 so that the tooth surface 51 of the crotch sleeve 5 and the first abutment surface 31 of the first clamp 3 are defined together. A jaw 35 is provided to clamp an outer column 9. It should be noted that when the sleeve 5 is sleeved on the second jaw 4, the tooth surface 51 of the sleeve 5 is inclined to the first bonding surface 31 of the first jaw 3, so that the jaw is The 35 series is gradually expanded from the inside to the outside, so that the first clamping jaw 3 of the movable wrench 100 and the crotch sleeve 5 can clamp the tubular string 9 tighter when the force is applied. In addition, referring to the fourth figure and the enlarged view of the sixth figure, the tooth profile of each tooth in the tooth surface 51 of the crotch sleeve 5 is asymmetrical, and the tooth tip of each tooth faces the jaw. The outer side of the 35, when the adjustable wrench 100 is turned clockwise, the tooth surface 51 can more firmly abut the column 9, and the bite force of the adjustable wrench 100 on the column 9 is raised.

Referring to the second and fifth figures, the sleeve 5 defines a receiving groove 52 on one side thereof, and its shape matches a contour of the second jaw 4 for correspondingly receiving the second jaw 4. In addition, the cymbal sleeve 5 and the second jaw 4 are frictionally engaged, and can be quickly assembled but not easily dropped. Preferably, an inner end edge of the second bonding surface 41 of the second clip 4 is further defined with a card groove 42 (third view), and the crotch sleeve 5 is formed with a hook corresponding to the card groove 42. a portion 54, so that when the sleeve 5 is sleeved on the second jaw 4, the hook portion 54 of the sleeve 5 can be correspondingly engaged with the card groove 42 of the second jaw 4, as shown in the fourth figure. In order to prevent the movable wrench 100 from loosening and falling due to improper collision during operation.

Moreover, the movable wrench 100 can also utilize a screw 7 to firmly lock the crotch sleeve 5 to the second jaw 4. As shown in the second figure, the second clamping jaw 4 has a threaded hole 43 in the lateral direction. The sleeve 5 has a through hole 53 in addition to the receiving groove 52. The through hole 53 communicates with the receiving groove 52. When the receiving slot 52 of the sleeve 5 receives the second clip 4, the screw hole 43 of the second clip 4 is just collinear with the through hole 53 of the sleeve 5 for the screw 7 to be worn. The sleeve 5 is locked to the second jaw 4.

With the above arrangement, the movable wrench 100 of the present invention can be used not only for the traditional adjustable wrench, but also has a set of sleeves which can be quickly attached to one of the clips and turned into a tube clamp, so that the switching is very convenient. And the structure is relatively simple.

In any event, anyone can obtain sufficient teaching from the description of the above examples, and it is understood that the present invention is indeed different from the prior art, and is industrially usable and progressive. It is the invention that has indeed met the patent requirements and has filed an application in accordance with the law.

Claims (8)

A movable wrench includes: a first clamping jaw having a first bonding surface; a second clamping jaw movable relative to the first clamping jaw and having a second bonding surface, the second bonding The first surface of the first clip is parallel to each other and defines a mouth; and a sleeve has a tooth surface, and the sleeve is selectively sleeved to the second folder. When the sleeve is sleeved on the second clamping sleeve, the sleeve covers the second bonding surface of the second clamping sleeve, so that the tooth surface of the clamping sleeve and the first bonding surface of the first clamping jaw Together define a jaw. The movable wrench according to claim 1, further comprising: a wrench body; a movable seat movably disposed on the wrench body; and a control member for driving the movable seat to be displaced relative to the wrench body The first clip is disposed on the wrench body, and the second clip is disposed on the movable seat. The movable wrench of claim 2, wherein the wrench body has a rack having a longitudinal passage and a lateral slot communicating with the longitudinal passage, the movable seat being by the longitudinal passage Movably sleeved on the wrench body, the control member has a worm pivoted in a lateral slot of the movable seat and engaged with the rack rail of the wrench body, thereby driving the movable seat along the tooth The rail is displaced relative to the wrench body. The movable wrench according to claim 3, wherein an inner end edge of the second bonding surface of the second clamping jaw defines a card groove, and the clamping sleeve is formed with a hook portion corresponding to the groove. When the sleeve is sleeved on the second jaw, the hook portion of the sleeve corresponds to the card groove of the second jaw. The movable wrench according to claim 1, wherein the shank of the shank is inclined to the first bonding surface of the first yoke when the shank is sleeved on the second clamping ridge. The jaws are made to expand from the inside out. The movable wrench of claim 1, wherein the tooth shape of each of the tooth faces of the crotch sleeve is asymmetrical. The movable wrench of claim 1, wherein the sleeve defines a receiving groove on one side thereof, the shape of which matches a contour of the second jaw for receiving the second jaw. The movable wrench according to claim 7, further comprising a screw, wherein the second clamp has a screw hole, the sleeve has a through hole, and the through hole communicates with the receiving groove of the sleeve, when the collar When the receiving slot receives the second clip, the screw hole of the second clip is coaxial with the through hole of the sleeve, and the screw is threaded to lock the sleeve to the second clip.