TWI834549B - Hand tool with steerable grip - Google Patents

Abstract

A hand tool having rotatable grip includes a first and a second grips, a rotary latch set and a button set. The first and second grips have beveled surfaces respectively. The rotary latch set includes a ring seat arranged in the first grip, a latch barrel passing through the ring seat and being capable of rotating relative to the ring seat, and a latch block. The latch barrel is provided with an insertion hole and a latch slot communicated with each other. One end of the latch block is fixed in the second grip and another end is combined with the latch barrel. The button set is disposed on the first grip and includes a button exposed from the first grip, a latch lever and a spring. The latch lever is connected to the button and extends into the insertion hole. The spring is disposed in the first grip. The latch lever is pushed by the spring and moves from the insertion hole into the latch slot, thereby restricting the rotation of the latch barrel. An external force presses the spring and drives the latch lever to move out of the latch slot, so that the latch barrel may rotate relative to the ring seat. An angle of the first grip relatives to the second grip is changed by the rotation of the latch barrel.

Description

Hand Tools with Turnable Grips

The present invention relates to hand tools, in particular to a hand tool with a pivotable handle.

Generally, hand tools are mostly used in fixed directions, such as straight screwdrivers or turning screwdrivers with specific angles such as 90-degree bends. In addition, this kind of fixed-angle hand tool can only be used in a certain direction. If it is used in situations where steering is required or space is limited, the type of hand tool used must be changed, causing inconvenience in use.

Furthermore, there are hand tools with turnable grips currently on the market. The handles are provided with a spring and two handles that are relatively turned and positioned through the pressure of the spring or the elastic recovery force. Moreover, using this kind of turnable grip When using a hand tool with a handle, the user needs to pull one handle away from the other and then turn. However, the aforementioned handle turning process requires a certain travel distance to provide the two handles for relative turning. Therefore, there are limitations in the use space, so it needs to be improved.

In view of this, the inventor has devoted himself to research on the above-mentioned existing technology and cooperated with the application of academic theory to try his best to solve the above-mentioned problems, which has become the goal of the inventor's improvement.

One object of the present invention is to provide a hand tool with a turnable handle, the button of which is pressed to drive the latch lever to move and release the latch of the latch tube, so that the second handle can move relative to the first handle. Rotate and position at a specific angle to increase convenience during use.

In order to achieve the above object, the present invention is a hand tool with a rotatable handle, which includes a first handle, a second handle, a rotary latch group and a button group. The first handle has a first beveled surface. The second handle is combined with the first handle and has a second chamfered surface corresponding to the first chamfered surface. The rotary catch group includes a ring base, a catch tube and a catch block. The ring seat is provided in the first handle. The latch tube penetrates the ring base and can rotate relative to the ring base. The snap tube is provided with a connected jack and a snap groove. One end of the latch block is fixed on the second handle, and the other end is combined with the latch tube. The button group is arranged on the first handle and includes a button, a latch rod and a spring. The button exposes the first grip. The latch rod connects to the button and extends into the socket. The spring is arranged in the first handle and elastically abuts the latch rod. The catch rod is elastically pushed by the spring and moves from the socket into the catch groove, thereby limiting the rotation of the catch cylinder; wherein, the button presses the spring under the action of an external force and drives the catch rod to move out of the catch groove, thereby The click tube is allowed to rotate relative to the ring base, and the angle of the first handle relative to the second handle is changed through the rotation of the click tube.

Compared with the conventional ones, the hand tool with a turnable handle of the present invention is provided with chamfered surfaces on the first and second handles respectively, and the rotary latch group is arranged between the first and second handles; In addition, the ring seat and the catch tube of the rotating catch group are arranged in the first handle, and the catch block is arranged in the second handle. Furthermore, the hand tool of the present invention drives the latch lever to move and release the latch barrel after being pressed through the button, so that the latch barrel can rotate relative to the ring base; accordingly, the second handle can move relative to the first The handle is rotated and positioned at a specific angle to increase convenience during use.

1: Hand tool with turnable handle

10:First grip

11: First bevel section

20:Second grip

21: Second bevel section

22:Tool head

23:Latch hole

30: Rotary catch group

31: Ring seat

32:Click switch

321:Jack

322:Latching slot

323:Cylinder

324:convex tube

3240:Open your mouth

3241:First piercing

33:Catching block

331:Pedestal

332: Bump

3321:Through hole

34:Card plate

341: Grooving

35:Lock firmware

36:First latch

40:Button group

41:Button

42:Latching lever

420: Groove

43:Spring

Figure 1 is a schematic three-dimensional view of the hand tool with a turnable handle according to the present invention.

Figure 2 is a schematic view of the handle combination of the hand tool with a turnable handle according to the present invention.

Figure 3 is a three-dimensional exploded view of the rotary latch group and the button group of the present invention.

Figures 4 and 5 are combined cross-sectional views from two sides of the hand tool with a turnable handle according to the present invention.

Figure 6 is a schematic diagram of the action of the button group of the hand tool with a turnable grip according to the present invention when it is pressed.

Figure 7 is a cross-sectional view of the pressure-operated button group of the hand tool with a turnable grip according to the present invention.

Figures 8 and 9 are cross-sectional views of the hand tool with a turnable handle according to the present invention after turning.

Figure 10 is a schematic three-dimensional view of the hand tool with a turnable grip according to the present invention after it is turned.

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

Please refer to FIGS. 1 to 3 , which are respectively a schematic diagram of the three-dimensional appearance of the hand tool with a turnable handle according to the present invention, a schematic diagram of the combination of the handle, and a three-dimensional exploded view of the rotary latch group and the button group. The invention is a hand tool 1 with a rotatable handle, which includes a first handle 10, a second handle 20, a rotary latch group 30 and a button group 40. The rotary latch group 30 is disposed between the first handle 10 and the second handle 20 . The button group 40 is provided on the first handle 10 . In addition, the first handle 10 and the second handle The handle 20 can be relatively rotated and positioned through the rotary latch group 30 , thereby changing the angle of the second handle 20 relative to the first handle 10 .

The first handle 10 has a first beveled surface 11 . In addition, the second handle 20 is combined with the first handle 10 , and the second handle 20 has a second beveled surface 21 corresponding to the first beveled surface 11 .

Specifically, the first beveled surface 11 and the second beveled surface 21 are each approximately in an elliptical shape. In addition, the second handle 20 is provided with a tool head 22 on the opposite side of the second chamfered surface 21 .

The rotary latch group 30 includes a ring base 31 , a latch tube 32 and a latch block 33 . The ring seat 31 is provided in the first handle 10 . The latch tube 32 passes through the ring base 31 and can rotate relative to the ring base 31 . In addition, the latch tube 32 is provided with an insertion hole 321 and at least one latch slot 322 that communicate with each other. In this embodiment, the number of the locking grooves 322 is one pair. The pair of latching grooves 322 are disposed on opposite sides of the insertion hole 321 . In addition, one end of the latch block 33 is fixed on the second handle 20 and the other end is coupled to the latch tube 32 .

In more detail, the latch tube 32 includes a cylinder 323 and a convex cylinder 324 connected to the cylinder 323 . The cylinder 323 is provided with the insertion hole 321 and the at least one locking groove 322 . It is worth noting that the latch tube 32 is inserted into the ring seat 31 , and one end of the convex tube 324 of the latch tube 32 protrudes from the first beveled surface 11 . In addition, the boss 324 is provided with an opening 3240 and is coupled with one end of the latch block 33 .

In addition, the latch block 33 includes a base 331 and a protrusion 332 connected to the base 331 . The protrusion 332 is inserted into the opening 3240 of the protrusion 324 .

Furthermore, the button group 40 is provided on the first handle 10 . The button group 40 includes a button 41 , a latch lever 42 and a spring 43 . The button 41 exposes the first handle 10 . The latch rod 42 is connected to the button 41 and extends into the insertion hole 321 of the latch tube 32 . In addition, the spring 43 is provided on the first handle 10 in. In addition, the latch rod 42 is elastically pushed by the spring 43 and moves from the insertion hole 321 into the latch groove 322 , thereby limiting the rotation of the latch tube 32 .

In this embodiment, the latch lever 42 is provided with a groove 420 on a side facing the spring 43 . In addition, one end of the spring 43 is in contact with the groove 420 and the other end is in contact with the inner wall surface of the first handle 10 , thereby causing the spring 43 to elastically push against the latch rod 42 .

In this embodiment, the rotary latch group 30 further includes a latch plate 34 and a plurality of locking parts 35 . The catch plate 34 is locked on one side of the ring base 31 through the locking pieces 35 . Specifically, the catch plate 34 is arranged corresponding to the shape of the ring base 31 , and the catch plate 34 is provided with a slot 341 . The latch rod 42 passes through the slot 341 and the ring seat 31 and extends into the insertion hole 321 of the latch tube 32 . It should be noted that the ring seat 31 and the catch plate 34 are placed in the first handle 10 and cannot rotate.

In an embodiment of the present invention, the rotary latch group 30 further includes a first latch 36 . The first latch 36 passes through the protruding tube 324 and the protruding block 332 to connect the detent tube 32 and the detent block 33 with each other.

Specifically, the second handle 20 has a latch hole 23 , the boss 324 is provided with a first through hole 3241 connected to the opening 3240 , and the bump 332 is provided with a through hole 3321 . In addition, the first latch 36 penetrates the latch hole 23 , the first through hole 3241 and the through hole 3321 to fix the latch block 33 and the latch tube 32 .

Please also refer to FIGS. 4 and 5 , which are combined cross-sectional views of the hand tool with a turnable handle according to the present invention. The first handle 10 and the second handle 20 of the present invention are relatively rotated and positioned through the rotary latch group 30, thereby changing the angle of the second handle 20 relative to the first handle 10. The ring seat 31 , the catch tube 32 and the catch plate 34 of the rotary catch group 30 are disposed in the first handle 10 ; and the catch block 33 is disposed in the second handle 20 .

Specifically, the button group 40 is provided on the first handle 10 . When the button 41 of the button group 40 is not pressed, the latch rod 42 is elastically pushed by the spring 43 and moves into the latch groove 322 of the latch barrel 32 . The detent tube 32 is detented by the detent rod 42 and cannot rotate relative to the ring base 31 . In addition, the latch block 33 is connected to the latch tube 32 , and the latch block 33 is disposed in the second handle 20 , so the second handle 20 cannot rotate relative to the first handle 10 . The second handle 20 is arranged in a straight line with the first handle 10 .

Please refer to FIGS. 6 and 7 again, which are schematic diagrams and cross-sectional views of the pressure-operated button group of the hand tool with a turnable handle according to the present invention. The hand tool 1 of the present invention can change the angle of the tool head 22 of the second handle 20 by pressing the button set 40 . Furthermore, when the button 41 of the button group 40 is pressed, the latch rod 42 will move away from the latch groove 322 and move toward the socket 321 . At this time, the latch tube 32 is detached from the latch rod 42 and can rotate relative to the ring base 31 . Furthermore, since the latch block 33 is connected to the latch tube 32 and is disposed in the second handle 20 , the second handle 20 can rotate relative to the first handle 10 .

To sum up, the button 41 of the present invention presses the spring 43 under the action of an external force and drives the latch rod 42 to move out of the latch groove 322, so that the latch tube 32 can rotate relative to the ring base 31 . Thereby, the second handle 20 changes its angle relative to the first handle 10 through the rotation of the latch tube 32 .

Please continue to refer to FIGS. 8 to 10 , which are respectively a cross-sectional view and a schematic three-dimensional appearance of the hand tool with a turnable handle according to the present invention after it is turned. After the second handle 20 of the present invention is rotated relative to the first handle 10, the pressure on the button 41 is then released. The latch rod 42 is pushed by the restoring force of the spring 43 and moves into the latch groove 322 again. The latch tube 32 is jammed by the latch lever 42 again. The switch cannot rotate relative to the ring seat 31 . Accordingly, the second handle 20 can maintain an angle relative to the first handle 10 to facilitate the tool head 22 to operate at a specific angle.

In addition, it should be noted that the number of the locking grooves 322 in this embodiment is set to one pair, so the second handle 20 can reversely rotate relative to the first handle 10 and move the locking rod 42 into another position. One card detent 322. Accordingly, the angle of the second handle 20 relative to the first handle 10 can be positioned in another direction, thereby increasing convenience of use.

The above descriptions are only preferred embodiments of the present invention and are not intended to define the patent scope of the present invention. Other equivalent changes that apply the patent spirit of the present invention should all fall within the patent scope of the present invention.

1: Hand tool with turnable handle

10:First grip

11: First bevel section

20:Second grip

21: Second bevel section

22:Tool head

30: Rotary catch group

31: Ring seat

32:Click switch

321: Jack

322:Latching slot

33:Catching block

34: Card plate

36:First latch

40:Button group

41:Button

42:Latching lever

43:Spring

Claims (10)

A hand tool with a pivotable grip, including: a first handle having a first beveled surface; A second handle, combined with the first handle, and having a second beveled surface corresponding to the first beveled surface; A rotary catch group includes a ring seat, a catch cylinder and a catch block. The ring seat is arranged in the first handle. The catch tube penetrates the ring seat and can rotate relative to the ring seat. The latch tube is provided with a connected socket and at least one latch groove, one end of the latch block is fixed on the second handle, and the other end is combined with the latch tube; and A button group is provided on the first handle and includes a button, a latch rod and a spring. The button is exposed from the first handle. The latch rod is connected to the button and extends into the socket. The spring It is arranged in the first handle and elastically abuts the detent rod. The detent rod is elastically pushed by the spring and moves from the socket into the at least one detent groove, thereby limiting the rotation of the detent cylinder; Wherein, the button presses the spring under the action of an external force and drives the latch rod to move out of the at least one latch groove, so that the latch cylinder can rotate relative to the ring base, and the first handle passes through the latch. The rotation of the switch changes the angle relative to the second handle. The hand tool with a turnable handle as claimed in claim 1, wherein the first beveled surface and the second beveled surface are each in an oval shape. The hand tool with a turnable handle as described in claim 1, wherein the rotary catch group further includes a catch plate and a plurality of locking parts, and the catch plate is locked to a part of the ring base through the locking parts. side. The hand tool with a turnable handle as described in claim 3, wherein the catch plate is arranged corresponding to the shape of the ring seat, and the catch plate is provided with a slot, and the catch rod passes through the slot and the ring seat and extend into the jack. The hand tool with a rotatable handle as claimed in claim 3, wherein the ring seat and the catch plate are placed in the first handle and cannot rotate. The hand tool with a turnable handle as claimed in claim 1, wherein the latch tube includes a cylinder and a convex cylinder connected to the cylinder, the cylinder is provided with the insertion hole and the at least one latch groove, and the convex cylinder An opening is provided and combined with one end of the latch block. The hand tool with a rotatable handle as claimed in claim 6, wherein the latch block includes a base and a protrusion connected to the base, and the protrusion is inserted in the opening. The hand tool with a turnable handle as claimed in claim 7, wherein the rotary latch group further includes a first latch, and the first latch passes through the protruding tube and the latch block between the latch tube and the latch block. The bumps are combined with each other. The hand tool with a turnable handle as claimed in claim 8, wherein the second handle has a latch hole, the boss is provided with a first through hole connected to the opening, and the boss is provided with a through hole; and The first latch passes through the latch hole, the first through hole and the through hole to fix the latch block and the latch tube. The hand tool with a turnable handle as claimed in claim 1, wherein the latch rod is provided with a groove on a side facing the spring, and one end of the spring is resisted in the groove.

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