TW201603964A - Hand pulling device - Google Patents

Abstract

A hand pulling device is disclosed, which comprises: a first lashing member; a second lashing member connected to the first lacing band; a tape coiling shaft pivotally inserted in the first lashing member and the second lashing member and wound with the second lacing band; a latching unit; and at least a ratchet set. The latching unit includes at least a first hollowed part penetrating the second lashing member for enabling the tape coiling shaft to penetrate through the first hollowed part, and at least a tooth socket formed on the inner surface of the first hollowed part. The ratchet set is operatively connected with the tape coiling shaft, and moves in the first hollowed part with respect to the tape coiling shaft, so that the ratchet set and the tape coiling shaft are respectively disposed at a first position engaged with the first tooth socket to rotate only in one direction, and a second position separated from the first tooth socket to rotate in two directions. Accordingly, with the special space allocation and structural design of the latching unit, the ratchet set can be limited to rotate in a single direction, which not only enhances the usage safety, but also simplifies the component and reduces the weight and cost.

Description

Hand puller

The invention relates to a hand puller, in particular to a hand puller which can bundle goods.

Referring to Figure 1, when the general transport vehicle carries the cargo, in order to prevent the stacked cargo from shaking or slipping, the cargo is mainly fixed by the hand puller 1. The hand puller 1 mainly includes a first pull strap 11 , a second pull strap 12 , a first pull tab 13 , and a second pull tab 14 coupled to the first strap strap 11 . The first pull member 13 and the second take-up shaft 15 of the second pull member 14 are pivoted in an axial direction, and the two ratchets 16 are respectively sleeved with the two ends of the take-up reel 15 and form an interlocking. The first pull tab 13 has a dial 131 that engages or disengages the ratchets 16 . The second tie member 14 has a card piece 141 that limits the ratchet teeth 16 to be rotated only in a clockwise direction.

In use, it is only necessary to initially bundle the goods with the first and second pulling straps 11, 12, and then reciprocally pull the first pulling member 13 so that the ratchet teeth 16 can be blocked by the clamping piece 141. In this case, the first pulling member 13 that rotates the dial 131 in the clockwise direction rotates the ratchets 16 to unidirectionally rotate, and the first dial 131 rotates in the counterclockwise direction. The pull fasteners 13 bounce off the ratchet teeth 16 when the ratchet teeth 16 are unidirectionally rotated in a clockwise direction The winding belt 15 drives the winding belt 15 to wind the second tensioning belt 12 to shorten the length, thereby maintaining the tightness when the first and second pulling belts 11 and 12 are tied, thereby achieving the purpose of tightening the goods. .

When unwinding, the user must pull the dial 130 away from the ratchets 16 with one finger, while applying a force to rotate the first puller 13 to the second puller in a clockwise direction. After about 180 degrees, the convex portion (not shown) of the end edge of the first tensile member 13 can be used to push the clamping piece 141 away from the ratchet teeth 16, thereby enabling the winding shaft 15 to be The two-way rotation is used to release the second tether 12.

However, in order to enable the ratchets 16 to be rotated only in the clockwise direction, the first pull tab 13 and the second pull tab 14 respectively use the dial 131 and the clip 141 having an elastic restoring force. Not only the components are heavy, but also heavy, and since the card piece 141 abuts against the ratchet teeth 16 in a frictional contact manner, and is opposite to the drawing direction of the second zipper tape 12, when vibrating When the foreign object falls between the card piece 141 and the take-up reel 15, the card piece 141 may reduce the clamping force generated by the friction by the ratchet teeth 16, so that the second pull system The belt 12 has a loose crisis and creates a danger of unwinding.

Accordingly, it is an object of the present invention to provide a hand puller that can improve the safety of use.

Therefore, the hand puller of the present invention is used for pulling a first tie and a second tie of the reverse pull, the puller comprises a first pull component, a second pull component, a roll A shaft, a card unit, and at least one ratchet set. The second pull fastener is coupled to the first strap. The take-up reel pivots the first tie member, the second pull member along the axis, and winds the second tie. The clamping unit has a first hollow portion extending through the second pull member along the axis and passing through the take-up spool, and a first tooth groove formed on an inner surface of the first hollow portion. The ratchet set is coupled with the take-up reel, and at least a portion thereof is disposed in the first hollow portion, and is displaced by the external force according to the take-up reel in the first hollow portion, respectively A slot is engaged and can only be reversed from a first position in which the first slot is unidirectionally rotated, and a second position is disengaged from the first slot and can be rotated in both directions.

The invention has the beneficial effects that the special space design of the first hollow portion and the first tooth groove can limit the one-way rotation of the ratchet set, and the ratchet set is pulled by the second pull strip The tension acts to maintain the state in which the first cogging is locked with each other during the pulling process, and therefore, does not loosen, so that the safety of use can be improved, the assembly is simplified, and the weight and cost are reduced.

21‧‧‧First tie

22‧‧‧Second tie

3‧‧‧First pull fasteners

31‧‧‧Connecting Department

32‧‧‧Handheld

33‧‧‧First convex

34‧‧‧ ribs

340‧‧‧ gap

341‧‧‧ First forced face

342‧‧‧The second impediment

35‧‧‧ dialing film

350‧‧ ‧ gap

351‧‧‧First forced face

352‧‧‧The second impediment

36‧‧‧First elastic element

4‧‧‧Second pull parts

40‧‧‧ board seat

41‧‧‧ rods

42‧‧‧ Limiting surface

43‧‧‧Protruding

44‧‧‧fasteners

441‧‧‧ side

442‧‧‧Bevel

5‧‧‧Reel shaft

6‧‧‧ ratchet group

61‧‧‧Inner ratchet

62‧‧‧Outer ratchet

601‧‧ ‧Slope

602‧‧‧Reverse stop

7‧‧‧Card unit

71‧‧‧The first short department

711‧‧‧ wearing section

712‧‧‧vacant section

72‧‧‧First cogging

721‧‧‧stop surface

73‧‧‧Second Hollow Department

731‧‧‧ wearing section

732‧‧‧vacant section

74‧‧‧second cogging

741‧‧ ‧ stop surface

8‧‧‧Receipt group

81‧‧‧Handwheel

82‧‧‧ Storage tray

X‧‧‧ axis

L‧‧‧ midline

Other features and advantages of the present invention will be apparent from the embodiments of the present invention, wherein: FIG. 1 is a cross-sectional view illustrating a hand-held device for bundling goods; FIG. 2 is an exploded perspective view of the present invention. 1 is a combined perspective view of the first embodiment; FIG. 4 is a cross-sectional view of the first embodiment; FIG. 5 is a side view showing a first embodiment of the first embodiment First pull fastener The upper second slot rotates a ratchet set, and the ratchet set is disengaged from a first slot on the second pull member; FIG. 6 is a side view illustrating the first embodiment a second slot on a pull member slides off the ratchet set, and the ratchet set is engaged with the first slot on the second pull member; FIG. 7 is a side view illustrating the first implementation In the example, the ratchet group is respectively engaged with the first tooth groove and the second tooth groove, so that the take-up reel is in a locked state; FIG. 8 is a side view illustrating the tape in the first embodiment. The shaft can be bi-directionally rotated to assume a first unwinding state; FIG. 9 is a side view illustrating the first unwinding state of the first embodiment, the take-up reel drives the ratchet set and the first tooth Figure 10 is a side view showing the winding shaft of the first embodiment in a bidirectional rotation and in a second unbanded state; Figure 11 is an exploded perspective view of the handle of the present invention a second embodiment; FIG. 12 is a combined perspective view of the second embodiment; FIG. 13 is a side view showing a dial control on a first pull member in the second embodiment group And the ratchet set is separated from the two first slots on the second pull member; FIG. 14 is a side view illustrating that the dial on the first pull member slips off the ratchet in the second embodiment a set, and the ratchet group is engaged with the first tooth groove on the second pull member; FIG. 15 is a side view showing that the roll shaft can be double in the second embodiment Turning to the first unwinding state; FIG. 16 is a side view showing the second embodiment in which the take-up reel can be bi-directionally rotated to assume a second untwisted state; FIG. 17 is a perspective view illustrating A third embodiment of the hand puller of the present invention; and Figure 18 is a cross-sectional view of the third embodiment.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 2, FIG. 3, and FIG. 4, a first embodiment of the hand puller of the present invention is used for pulling a first tether 21 and a second tether 22, and includes a first pull member 3, The second pulling member 4, a winding belt shaft 5, and two ratchet groups 6.

The first pulling member 3 has two connecting portions 31, a grip portion 32 connecting the connecting portions 31, and two first convex portions 33 respectively formed at one edge of the connecting portion 31, and are respectively formed on the first pulling portion 31. The connecting portion 31 has two ribs 34 on the inner side surface. The ribs 34 have a notch 340 in the embodiment, a first abutting surface 341 formed on a side of the notch 340 opposite to the grip portion 32, and a surface facing the grip portion 32. A second abutting surface 342 of one end face.

The second pulling member 4 has a two-plate seat 40 spaced apart from each other, and a rod member 41 connected to one end portion of the plate base 40 and coupled to the first strap 21 is formed at an upper end of the plate seat 40, respectively. a second limiting surface 42 of the edge, two protrusions 43 formed on the plate holder 40 adjacent to a rear end edge, and respectively formed on Two second fasteners 44 on the upper end of the plate base 40. In the present embodiment, the projections 43 are integrally formed by press molding with the plate holders 40. The fasteners 44 respectively have a side surface 441 opposite to the protrusions 43 and a side formed on the other side and inclined from an upper end away from the protrusions 43 toward the lower end of the protrusions 43 Bevel 442.

The take-up reel 5 pivots the joint portion 31 of the first tie member 3 and the seat 40 of the second pull tab 4 along the axis X, and winds the second strap 22.

The ratchet groups 6 are unitary in this embodiment and are divided into an inner ratchet 61 on the inner side and an outer ratchet 62 on the outer side. The inner ratchets 61 and the outer ratchets 62 are sleeved on both ends of the take-up reel 5, and are interlocked with the take-up reel 5, and have a plurality of spurs 601 extending outward from an outer peripheral surface, and adjacent The camber slope 601 and the number of the outer circumferential surface are opposite to the stop surface 602. It should be noted that the inner ratchet 61 and the outer ratchet 62 may also be separated, and the outer diameter of the inner ratchet 61 and the outer ratchet 62 may be one size, one size, the same, or one small one. One.

The carding unit 7 has two first hollow portions 71 extending through the plate seats 40 along the axis X and passing through the winding shaft 5, and a number first formed on an inner surface of the first hollow portions 71. a tooth groove 72, two second hollow portions 73 extending through the connecting portion 31 along the axis X and passing through the winding shaft 5, and an inner surface of the second hollow portion 73 and opposite to the first portion A plurality of second slots 74 of a slot 72. The first hollow portions 71 and the second hollow portions 73 are substantially elongated and intersect with the axis X through a center line L of the two elongated ends to form an inclination angle. And the first hollow portion 71, the first The two hollow portions 73 respectively have a wearing portion 711, 731 having a larger diameter than the winding shaft 5, and a hole having a larger diameter than the wearing portion 711 and being respectively disposed by the ratchet 61 and the outer ratchet 62 of the ratchet group 6 Empty segments 712, 732. The first slots 72 and the second slots 74 are formed in the vacant sections 712, 732, respectively, and have a stop surface 721, 741 opposite the backstop surface 602.

Referring to FIG. 3, FIG. 4, and FIG. 7, in use, the first and second lacing bands 21, 22 are also initially bundled, and at this time, the first tether 21 and the second tether 22 are In the opposite direction, the tension of the second strap 22 pulls the take-up reel 5 toward the right side of the drawing to an inner edge that is blocked by the first hollow portion 71 wearing section 711, so that the tape is wound. The ratchet set 6 on the shaft 5 is further engaged with the first slots 72, whereby the stop faces 721 of the first slots 72 and the ratchet set 6 in the free section 712 are reversed. The faces 602 are mutually blocked such that the ratchet sets 6 together with the take-up reel 5 are blocked from the first slots 72 from being able to rotate counterclockwise (reverse), but only in a clockwise direction (forward) One-way rotation.

Referring to FIG. 4 and FIG. 5, when the user uses the gap between the second hollow portion 73 and the take-up reel 5 and the ratchet set 6, the first pull member 3 is pushed in the direction of the take-up reel 5, to When the second slot 74 is engaged with the ratchets 6 and the first link 3 is pulled in a clockwise direction until the protrusions 34 are blocked by the limiting surface 42 , the first pull The piece 3 will mutually block the stop surface 741 of the second tooth groove 74 and the ratchet group 6 in the vacant section 732, and simultaneously slide the ratchet groups 6 to make the ratchets The group 6 drives the take-up reel 5 and the ratchet groups 6 to rotate in a clockwise direction. At this time, the ratchet groups 6 in the vacant segments 712 are rotated in a clockwise direction to The chamfered slopes 601 slide off the first slots 72 on the second tie member 4 and unidirectionally rotate in a clockwise direction.

Referring to FIG. 5 and FIG. 6, when the user pulls back the first pulling member 3 in the counterclockwise direction, the backing surface 602 of the ratchet group 6 in the vacant segments 712 is blocked by the first slots. The stop surface 721 of the 72 cannot be rotated in the counterclockwise direction, so that the second slot 74 on the first pull tab 3 will follow the camber 601 of the ratchet set 6 to slip off, and When the take-up reel 5 is not moved, the first pull tab 3 is displaced toward the right side of the drawing by the movement of the wearing section 731 of the second hollow portion 73. Thereby, the reeling of the first pulling member 3 can drive the take-up reel 5 to rotate in a clockwise direction, and wind the second strap 22 to shorten the length for maintaining the first The tightness of the second tethers 21, 22 is tied to the purpose of tightening the goods.

Referring to FIG. 7, after the first and second tethers 21, 22 are tightened, the gap between the second hollow portion 73 and the take-up reel 5 and the ratchet group 6 is reversed, and the tape is reversed. Pulling the first pull member 3 in the direction of the shaft 5, the second slots 74 are disengaged from the ratchet groups 6, and the first pull member 3 is pulled back in a counterclockwise direction to the ribs 34. When the second abutting surface 342 is opposite to the inclined surface 442 of the fasteners 44, the second abutting surfaces 342 guide the first pulling member 3 to push the take-up reel 5 according to the inclined surfaces 442, respectively. Displacement relative to the first slots 72 in the first hollow portions 71, and after the first tie member 3 and the second pull member 4 are folded, the ratchet groups 6 are stabilized When the first slot 72 is engaged, the first link 3 is also restrained by the slope 442, and is stabilized at a position where the second slot 74 is engaged with the ratchet set 6 , the reel shaft 5 is locked, and cannot Rotate.

The present invention has two kinds of unwinding modes. Referring to FIG. 8, taking the first unwinding mode as an example, only the gap between the take-up reel 5 and the second hollow portion 73 is disposed, and the The gap between the vacant segments 732 and the ratchet groups 6 is held by the fingers of one hand, and the first pull member 3 is pulled in a direction opposite to the take-up reel 5, so that The blocking surface 741 of the second slots 74 is disengaged from the ratchet groups 6 and the winding shaft 5 is displaced in the wearing portion 711 of the first hollow portions 71, and can be counterclockwise When the first pulling member 3 is rotated to the first abutting surface 341 of the ribs 34 and the side surfaces 441 of the fasteners 44 abut each other, the first pulling member 3 is stabilized with the second The tensioning member 4 is in a state of being folded, and the ratcheting group 6 is stabilized in a second position that is disengaged from the first tooth grooves 72 and can be bi-directionally rotated. At this time, the winding shaft 5 is subjected to the second system. The pulling tension of the belt 22 is quickly rolled to achieve the purpose of quickly releasing the second belt 22.

Referring to FIG. 8 and FIG. 9 , it should be noted that, in the state of the first type of the unbanding method, the first pulling member 3 can also be moved in a positive direction and a reverse direction by a small amplitude to make the first pulling. The base member 3 is at a position where the first abutting surface 341 of the ribs 34 abuts against the side surface 441 of the fasteners 44 (see FIG. 8), and the ribs 34 follow the first tension member 3 Displacement between the positions of the fasteners 44 upwardly, whereby when the ribs 34 and the buckles 44 are mutually blocked, the take-up reel 5 will be subjected to the second tether as described in paragraph 0021. When the tension ribs 34 are detached from the fasteners 44 with the first pull fasteners 3, the take-up reel 5 is subjected to the tensile tension of the second straps 22, The process of rolling and releasing the second tie 22 At the same time, the ratchet groups 6 are simultaneously displaced according to the tension direction of the second strap 22, and after the first slots 71 are engaged with each other (as shown in FIG. 9), the release of the second strap is stopped. 22, so repeated, to achieve the purpose of slow unwinding.

Referring to FIG. 10, taking the second unbanding method as an example, it is only necessary to hold the grip portion 32 (see FIG. 4) with a single-handed finger, and pull the first direction in a direction opposite to the take-up reel 5 The pulling member 3 can interlock the blocking surfaces 741 of the second slots 74 from the ratchet groups 6, and can rotate the first pulling member 3 in a clockwise direction. The first protruding portion 33 that is rotated by the pulling member 3 pushes against the protruding portions 43 to force the first pulling member 3 to be forced to the protruding portions 43 to drive the winding tape toward the left side of the drawing. The shaft 5 is displaced in the wearing section 711 of the first hollow portion 71, and the ratchet groups 6 are displaced in the vacant section 712, and are separated from the first gullets 72, so that the take-up reel 5 Loosen and can be rotated in both directions to achieve the purpose of releasing the second strap 22 (see Figure 4).

Referring to FIG. 11 and FIG. 12, a second embodiment of the present invention is substantially the same as the first embodiment, and includes a first pulling member 3, a second pulling member 4, and a take-up reel 5, And the two ratchet groups 6 are different in that the first pull tab 3 further has a dial 35 that is displaceably mounted between the connecting portions 31, and is disposed on the dial 35 and the connecting portion. A first elastic member 36 of 31. The dial 35 and the first elastic member 36 are used to replace the second slot 74 as shown in FIGS. And the dial 35 has two notches 350 respectively formed at the two ends, and two first abutting faces 351 respectively formed on a side of the notch 350 opposite to the grip 32, and points The second second abutting surface 352 facing the one end surface of the grip portion 32 is formed. The second hollow portion 73 is matched with the winding shaft 5 as a circular hole. The first elastic member 36 acts on the dial 35 with an elastic force without an external force, and the dial 35 is engaged with the ratchet set 6.

Referring to FIG. 13 , when the user pulls the first pull tab 3 in a clockwise direction, the first pull tab 3 will stop the stop surface 602 with the dial 35 and the ratchet groups 6 . Correspondingly, the ratchet groups 6 are synchronously slid, and the ratchet groups 6 are driven to rotate the take-up reel 5 and the ratchet groups 6 in a clockwise direction. At this time, the vacant segments 712 are The ratchet group 6 will slid in the clockwise direction, and the first tooth grooves 72 are slid off in the clockwise direction, and unidirectionally rotated in the clockwise direction.

Referring to FIG. 13 and FIG. 14, when the user pulls back the first pulling member 3 in a counterclockwise direction, the dial 35 on the first pulling member 3 follows the chamfer of the ratchet group 6. The 601 slips off and compresses the first elastic member 36, and rotates counterclockwise without driving the ratchet set 6. Thereby, only by reciprocatingly pulling the first pulling member 3, the take-up reel 5 can be driven to rotate in a clockwise direction to achieve the purpose of tightening the goods.

Referring to FIG. 15, when the tape is unwound, the first elastic member 36 can be separated from the ratchet group 6 by manually pulling the dial 35, and the first link member 3 can also be rotated in a clockwise direction. When the dial 35 is disengaged from the position of the ratchet set 6, the first protrusions 33 and the protrusions 43 are pushed against each other, so that the take-up reel 5 is at the first hollow 71. The internal displacement and interlocking of the ratchet groups 6 are disengaged from the first slots 72 to achieve the purpose of releasing the second strap 22.

Referring to FIG. 16, when the strap is unwound, the grip portion 32 can also be gripped by a single-handed finger, and the first pull tab 3 can be pulled in a direction opposite to the take-up reel 5, and the dial can be linked. 35 is detached from the ratchet groups 6 and can rotate the first pull member 3 in a counterclockwise direction until the first abutting surface 341 and the side surface 441 of the fasteners 44 abut each other A pulling member 3 is stabilized in a state of being engaged with the second pulling member 4, and the ratchet groups 6 are stabilized in a second position that can be disengaged from the first slots 72 and can be bidirectionally rotated. At the same time, the take-up reel 5 will also be rolled by the tension of the second tether 22 (Fig. 4) to release the second tether 22 (Fig. 4).

Referring to FIG. 17 and FIG. 18, a third embodiment of the present invention is substantially the same as the foregoing embodiment, and includes a first pulling member 3, a second pulling member 4, a take-up reel 5, and two The ratchet set 6 (Fig. 2 or Fig. 11) differs in that the hand puller further comprises a roll set 8.

The take-up group 8 has a hand wheel 81 that is coupled with the take-up reel 5 and is exposed on the outside of the first tie member 31, and the take-up reel 5 is passed through the reel and the take-up reel The shaft 5 forms a linked two storage tray 82. The storage trays 82 are respectively located on an inner side of the second holder 4 seat 40 at a distance.

One end of the second tie 22 is coupled to the take-up reel 5, and is wound around the take-up reel 5 in advance and housed between the storage trays 82. Therefore, when pulling the goods, it is only necessary to directly pull the first The second strap 22 can be omitted, and the first embodiment or the second embodiment can be omitted, and the second strap 22 needs to be passed through the take-up reel 5 to be retracted, and the second embodiment is in the second embodiment. When the belt 22 is rotated, the winding shaft 5 can be driven by the hand to drive the second shaft. 22, improve the convenience of use.

In addition, it should be noted that a set of elastic elements (not shown) can be mounted between the take-up reel 5 and the plate base 40, thereby providing an elastic restoring force of the hand wheel 81, and being capable of being stretched. After the external force of the second tether 22 disappears, the hand wheel 81 is driven to drive the take-up reel 5 to rotate, and the second tether 22 is automatically wound up.

In summary, the hand puller of the present invention has the following advantages and effects:

1. Since the direction in which the first slot 72 and the ratchet group 6 are engaged is the same as the direction in which the second strap 22 is pulled, the ratchets 6 are subjected to the second strap. 22 pulling tension, in the process of pulling, always maintain the state of being locked with the first tooth grooves 72, there is no looseness, and the carding effect can be greatly improved, so that the present invention is more secure. .

2. In the first embodiment, the present invention only needs special space arrangement and structural design of the first and second slots 72 and 74 and the first and third members. Therefore, the purpose of limiting the unidirectional rotation of the ratchet groups 6 can be achieved, and the elastic dial 131 and the elastic card sheet 141 as shown in FIG. 1 can be omitted, the assembly is simplified, and the overall weight and components can be reduced. cost.

3. In the first embodiment, when the second pulling strap 22 is released, the user only needs to hold the grip portion 32 with one hand, and the first pulling member 3 can be pulled. And the action of rotating the first pulling member 3 not only makes the force applied smoothly, but also greatly improves the convenience in releasing the operation of the second pulling belt 22.

However, the above is only the embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and the patent specification of the present invention are still It is within the scope of the patent of the present invention.

3‧‧‧First pull fasteners

31‧‧‧Connecting Department

33‧‧‧First convex

34‧‧‧ ribs

4‧‧‧Second pull parts

40‧‧‧ board seat

41‧‧‧ rods

42‧‧‧ Limiting surface

43‧‧‧Protruding

44‧‧‧fasteners

5‧‧‧Reel shaft

6‧‧‧ ratchet group

601‧‧ ‧Slope

602‧‧‧Reverse stop

71‧‧‧The first short department

711‧‧‧ wearing section

712‧‧‧vacant section

72‧‧‧First cogging

721‧‧‧stop surface

73‧‧‧Second Hollow Department

731‧‧‧ wearing section

732‧‧‧vacant section

74‧‧‧second cogging

741‧‧ ‧ stop surface

Claims (10)

A hand puller for pulling a first tie and a second tie, the puller comprising: a first pull component; a second pull component coupled to the first tie; a take-up reel pivoting the first and second pull members along an axis and winding the second tether; a card unit having a second pull member extending through the axis and for the a first hollow portion through which the take-up reel passes, and at least one first tooth groove formed on an inner surface of the first hollow portion; and at least one ratchet group formed in conjunction with the take-up reel and at least a portion Inserted in the first hollow portion, and under the action of an external force, the take-up reel is displaced in the first hollow portion, and is respectively engaged with the first cogging and can only be opposite to the first cogging a first position that unidirectionally rotates, and a second position that is disengaged from the first gullet and that is bi-directionally rotatable. The hand puller of claim 1, wherein the external force that drives the take-up reel at the first position is derived from the tension of the second tether. The hand puller of claim 1, wherein the second puller has two seats spaced apart from each other, and a rod that is connected to one end of the seats and that connects the first tie, There are two ratchet groups, and the first hollow portion and the first tooth groove of the clamping unit are respectively formed in the plate seats, and the first hollow portions respectively have a hole diameter larger than the winding shaft. a through section, and a vacant section having a larger aperture than the wearing section and having the ratchet set partially disposed, the first slots respectively having a rotation of the ratchet group The first stop. The hand puller of claim 3, wherein the first pull fastener has two joints connected to the take-up spool, and a grip connecting the joints, the snap unit has a further edge a second second hollow portion through which the axis passes through the connecting portion and through which the winding shaft passes, and two second tooth grooves respectively formed on an inner surface of the second hollow portion, and the second hollow portions are respectively provided The other of the ratchets are disposed, and the second slots respectively have a stop surface that can block the rotation of the ratchets, the stop surface is rotated with the first puller The ratchet groups are dialed and rotated in reverse with the first pull member, and the ratchet groups are pushed against each other to slide off the ratchet groups. The hand puller according to claim 4, wherein the ratchet groups respectively have a plurality of spur slopes extending outward from an outer circumferential surface and forming an arc, and respectively adjoining the chamfer slope and the outer circumferential surface and capable of The number of reverse faces that are blocked from the stop faces. The hand puller according to claim 3, wherein the first pull fastener has two joint portions coupled to the take-up spool, a grip portion connecting the joint portions, and is movably mounted on the joints At least one dial of the inter-part, and at least one first elastic element disposed between the dial and the connecting portion, the dial is subjected to the elastic force of the first elastic element, and the ratchet When the group is engaged, the dialing piece rotates and rotates the ratcheting group with the first pulling member, and rotates in reverse with the first pulling member to overcome the elastic force and slip off the ratchet Tooth group. The hand puller of claim 4 or 6, wherein the first pull fastener further has two first convex portions respectively formed at one edge of the joint portion, the first The two pull-up members further have two protrusions formed on the plate seats, and the first protrusions are pushed forward with the protrusions when the first link members are positively rotated to contact with the protrusions, respectively. Squeezing, causing the first pull member to be displaced in the first hollow portion in a direction opposite to the protrusion, and interlocking the ratchet groups to be stable from the first slots A second position that can be rotated in both directions. The hand puller of claim 7, wherein the first pull fastener further has two first abutting faces formed on the connecting portions, and the second pull fastener has a reverse direction to the protruding portions. a second fastener formed on the plate seat and spaced apart from the protrusions by a distance, when the first tension member is subjected to an external force, the tape shaft is displaced in the first hollow portion, and the reverse rotation is performed When the first abutting surface and the fasteners abut against one side of the protrusions, the ratchet groups are stabilized from the first slots and can be bi-directionally rotated. Second position. The hand puller of claim 8, wherein the first pull fastener further has two second abutment faces formed on the joints and opposite to the first abutting faces, and the buckles The pieces further have a bevel formed on the other side and inclined from an upper end away from the protrusions toward a lower end adjacent to the protrusions, when the first link is reversely rotated and displaced to the same When the second abutting surface is opposite to the inclined surface, the second abutting surfaces respectively guide the first pulling member to push the winding shaft in the first hollow portion relative to the first portion according to the inclined surfaces A slot is displaced, and after the first puller and the second puller are folded, the ratchet sets are stabilized at a position that engages with the first slots. The hand puller according to claim 1, further comprising a roll set having a hand wheel that is coupled with the roll shaft and is exposed on an outer side of the first pull member, the hand wheel Under the action of an external force, the take-up reel rotates and retracts the second tether.