Disclosure of Invention
Accordingly, it is necessary to provide a twisting device capable of effectively preventing the wire from coming out of the wire feeding groove.
The embodiment of the invention provides a twisting device, which comprises a base, a twisting shaft, a handle and a tensioning mechanism, wherein the base is provided with a shaft hole, the twisting shaft is positioned in the shaft hole, the handle is fixedly connected with the twisting shaft, the handle protrudes out of the shaft hole, the base is also provided with a wire inlet slot communicated with the shaft hole, the twisting shaft is provided with a wire running slot arranged along the length direction of the wire running slot, the interior of the wire running slot is provided with a separation ridge extending along the length direction of the wire running slot, the tensioning mechanism is positioned on the handle, the twisting device further comprises an anti-slip ring, the anti-slip ring is rotatably sleeved on the twisting shaft and positioned at the outer side of the wire running slot, the anti-slip ring is provided with an opening penetrating through the anti-slip ring along the length direction of the twisting shaft, and the anti-slip ring is exposed from the base.
Preferably, the base comprises a connecting part and a wire entering part, the connecting part and the wire entering part are spaced by a preset distance, the anti-falling ring is arranged between the connecting part and the wire entering part, a connecting ridge is further arranged between the connecting part and the wire entering part and outside the anti-falling ring, and two ends of the connecting ridge are fixedly connected with the connecting part and the wire entering part respectively.
Preferably, the base is far away from the one end shrink of handle forms the pressure head, go into the wire casing and run through the pressure head, the both sides of going into the wire casing are provided with the wire casing, the wire casing runs through the pressure head is kept away from on the face of handle.
Preferably, sub wire-feeding grooves are respectively arranged on two sides of a separation ridge of the twisting shaft, protection walls protruding relative to the sub wire-feeding grooves are respectively arranged on the outer sides of the two sub wire-feeding grooves opposite to the separation ridge, and the separation ridge and the protection walls are in sliding fit with the anti-drop rings.
Preferably, a fixing part is detachably connected to the base near one end of the handle, a central hole coaxial with the shaft hole is formed in the fixing part, the fixing part is a self-lubricating part, an upper anti-slip ring is fixed on the twisting shaft and is positioned in the shaft hole, and the lower surface of the fixing part is in contact with the upper surface of the upper anti-slip ring.
Preferably, the wire inlet groove extends along the axial direction of the base and penetrates through the base, and a notch matched with the wire inlet groove is formed in the fixing piece.
Preferably, the peripheral surface of the fixing piece is matched with the shape of the base, the central hole of the fixing piece is matched with the twisting shaft, and the twisting shaft rotates in the central hole of the fixing piece.
Preferably, the twisting shaft is detachably fixed with a sliding part, the sliding part is a self-lubricating part, a supporting table is further arranged on the base and in the shaft hole, and the lower surface of the sliding part is in contact with the upper surface of the supporting table.
Preferably, the twisting shaft is fixedly provided with a lower anti-slip ring, the sliding piece is an annular plate, the sliding piece is detachably connected to the surface, away from the handle, of the lower anti-slip ring, one of the sliding piece and the lower anti-slip ring is provided with a clamping groove, the other one of the sliding piece and the lower anti-slip ring is provided with a clamping block matched with the clamping groove, and the sliding piece and the lower anti-slip ring are clamped and connected through the clamping groove and the clamping block.
Preferably, the base and the handle are provided with a plurality of hollowed-out holes penetrating through the side walls of the base and the handle.
According to the invention, the anti-drop ring is arranged on the twisting shaft, so that the steel wire is prevented from falling out of the wire feeding groove, and the problem that the steel wire falls out of the wire feeding groove is effectively solved.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and specific embodiments so that those skilled in the art may better understand the present invention and practice it, but the examples are not to be construed as limiting the present invention.
As shown in fig. 1 to 7, an embodiment of the present invention provides a twisting device including a base 1, a twisting shaft 2, a handle 3, and a tensioning mechanism 4. The base 1 is provided with a shaft hole 11, the twisting shaft 2 is positioned in the shaft hole 11, the handle 3 is fixedly connected with the twisting shaft 2, and the handle 3 protrudes out of the shaft hole 11. By turning the handle 3 and immobilizing the base 1, two wires running through the twisting shaft 2 can be twisted together. The base 1 is also provided with a wire inlet groove 13 communicated with the shaft hole 11, the twisting shaft 2 is provided with a wire running groove 21 arranged along the length direction of the twisting shaft, the inside of the wire running groove 21 is provided with a separation ridge 22 extending along the length direction of the wire running groove, a steel wire enters the wire running groove 21 through the wire inlet groove 13, and two ends of the steel wire are respectively positioned at two sides of the separation ridge 22. A tensioning mechanism 4 is located on the handle 3, and the wire is fixed and tensioned using the tensioning mechanism 4. The twisting device also comprises an anti-drop ring 5, wherein the anti-drop ring 5 is rotatably sleeved on the twisting shaft 2 and is positioned at the outer side of the thread running groove 21. The anti-drop ring 5 effectively prevents the steel wire from slipping from the wire feeding groove 21, when the twisting device is used for an operation, the steel wire can be prevented from slipping from the wire feeding groove 21, the operation efficiency is improved, and the operator can be prevented from being injured by winding the glove of the operator into the gap between the twisting shaft 2 and the base 1 along the gap of the wire feeding groove 13 during the operation. The anti-drop ring 5 is provided with an opening penetrating through the anti-drop ring 5 along the length direction of the twisting shaft 2, so that the steel wire can be conveniently placed into the anti-drop ring 5 through the opening. The anti-drop ring 5 is exposed from the base 1, so that a user can manually adjust the anti-drop ring 5, the opening of the anti-drop ring 5 is aligned with the wire inlet groove 13 of the base 1, and the wire is more conveniently released into the wire outlet groove 21. When the steel wire is placed in the wire feeding groove 21, the opening of the anti-drop ring 5 is aligned with the wire feeding groove 13 of the base 1 and the wire feeding groove 21, and the steel wire is placed in the wire feeding groove 21; after the steel wire is placed, the anti-drop ring 5 is rotated, so that the opening of the anti-drop ring 5 is staggered with the wire running groove 21, then the base 1 is fixed by one hand, and the handle 3 is rotated by the other hand, so that the steel wire can be twisted.
Referring to fig. 2 and 5, in a preferred embodiment, the base 1 includes a connection part 101 and an incoming line part 102, the connection part 101 and the incoming line part 102 being spaced apart by a predetermined distance, and the anti-slip ring 5 is located between the connection part 101 and the incoming line part 102. A connection ridge 501 is further provided between the connection portion 101 and the wire inlet portion 102 outside the anti-slip ring 5, and two ends of the connection ridge 501 are fixedly connected with the connection portion 101 and the wire inlet portion 102 respectively. Since the anti-slip ring 5 is penetrated by the twisting shaft 2, the anti-slip ring 5 is fixed by the twisting shaft 2, the connecting portion 101, the wire inlet portion 102 and the connecting ridge 501, and the anti-slip ring 5 is prevented from being displaced, so that the effect of releasing the steel wire is better.
Referring to fig. 3, in the preferred embodiment, the end of the base 1 remote from the handle 3 is contracted to form a ram 15, the wire inlet slot 13 extends through the ram 15, and after twisting the wire, the ram 15 flattens the twisted end of the wire. The two sides of the wire inlet slot 13 are provided with wire pressing slots 151, the wire pressing slots 151 penetrate through the surface of the pressing head 15, which is far away from the handle 3, and the wire pressing slots 151 can press left and right two strands of steel wires on the sternum. When flattening the steel wire, the steel wire is located in the wire pressing groove 151, and because the steel wire has a certain volume, the wire pressing groove 151 is arranged, and the damage to a human body caused by the steel wire can be avoided during wire pressing.
Referring to fig. 6, in the preferred embodiment, sub-thread grooves are provided on both sides of the separation ridge 22 of the twisting shaft 2, respectively, and a protective wall protruding with respect to the sub-thread grooves is provided on the outer sides of the two sub-thread grooves opposite to the separation ridge 22, and the separation ridge and the protective wall are slidably engaged with the slip-off preventing ring 5. Further, the end of the twisting shaft 2 provided with the separation ridge 22 is provided in a cylindrical shape provided with a notch, and its diameter matches the inner diameter of the slip-off preventing ring 5. The anti-drop ring 5 and the twisting shaft 2 have certain tightness, and when the twisting shaft 2 is rotated, the anti-drop ring 5 and the twisting shaft 2 are simultaneously rotated, so that the steel wire anti-drop effect is better. When the twisting shaft 2 rotates in the anti-drop ring 5, the free end of the separation ridge 22 is in sliding connection with the inner wall of the anti-drop ring 5, the separation ridge 22 is matched with the anti-drop ring 5, so that the steel wire can be prevented from falling out of the wire feeding groove 21, the steel wire can be prevented from running to the other side of the separation ridge 22 from one side of the separation ridge 22, and the effect of twisting the steel wire is better. The anti-drop ring 5 is made of a high molecular wear-resistant material, and prevents chipping due to friction.
Referring to fig. 1 and 2, in a preferred embodiment, a fixing member 240 is detachably coupled to the base 1 near one end of the handle 3, and the fixing member 240 and the base 1 are coupled by bolts. The fixing member 240 is formed with a central hole coaxial with the shaft hole 11, the fixing member 240 is a self-lubricating member, and further, the fixing member 240 is made of a polymer material having a self-lubricating function. An upper anti-slip ring 24 is fixed to the twisting shaft 2, the upper anti-slip ring 24 is positioned in the shaft hole 11, and the lower surface of the fixing member 240 is in contact with the upper surface of the upper anti-slip ring 24. The fixing member 240 and the upper slip-off preventive ring 24 prevent the upper end of the shaft hole 11 of the twist shaft 2 from slipping off. In addition, when the twisting shaft 2 is rotated, the upper anti-falling ring 24 rubs with the fixing piece 240, and noise and powder generated by friction between metal and metal can be effectively avoided due to the self-lubricating effect of the fixing piece 240. In the prior art, a fixing piece is a metal fixing plate, and if the metal fixing plate is in over-tight contact with the upper anti-drop ring 24, the twisting shaft 2 is difficult to rotate; and if the metal fixing plate is excessively loosened in contact with the upper anti-slip ring 24, the twisting shaft 2 is easily shaken, and the scheme effectively solves the problem.
In the preferred embodiment, the wire inlet slot 13 extends along the axial direction of the base 1 and penetrates through the base 1, and the fixing piece 240 is provided with a notch matched with the wire inlet slot 13, so that the steel wire is conveniently placed in the wire outlet slot 21. Further, balls are arranged between the fixing piece 240 and the upper anti-drop ring 24, and are made of polymers with self-lubricating functions, so that friction is reduced, and the rotation of the twisting shaft 2 is more labor-saving.
In a preferred embodiment, the peripheral surface of the fixing member 240 is adapted to the shape of the base 1 to look more beautiful. The central hole of the fixing member 240 is matched with the twisting shaft 2, and the twisting shaft 2 rotates in the central hole of the fixing member 240. When the twisting shaft 2 rotates, no shaking occurs.
Referring to fig. 2 and 7, in a preferred embodiment, the twisting shaft 2 is further detachably fixed with a sliding member 250, the sliding member 250 is a self-lubricating member, and further, the sliding member 250 is made of a polymer material with a self-lubricating function. A supporting table (not shown) is further provided on the base 1 in the shaft hole 11, and the lower surface of the slider 250 contacts the upper surface of the supporting table. In the prior art, the sliding part 250 adopts a metal sliding plate, and if the metal sliding plate is in over-tight contact with the supporting table, the twisting shaft 2 is difficult to rotate; and if the metal sliding plate is too loose in contact with the supporting table, the twisting shaft 2 is easy to shake, and the scheme effectively solves the problem. The twisting shaft 2 is fixedly provided with a lower anti-drop ring 25, the sliding part 250 is an annular plate, the sliding part 250 is detachably connected to the surface, away from the handle 3, of the lower anti-drop ring 25, one of the sliding part 250 and the lower anti-drop ring 25 is provided with a clamping groove 251, the other is provided with a clamping block 2501 matched with the clamping groove 251, and the sliding part 250 and the lower anti-drop ring 25 are in clamping connection through the clamping groove 251 and the clamping block 2501. Further, balls are arranged between the sliding part 250 and the lower anti-drop ring 25, and are made of polymers with self-lubricating functions, so that friction is reduced, and the rotation of the twisting shaft 2 is more labor-saving.
Referring to fig. 1, in a preferred embodiment, the base 1 and/or the handle 3 are provided with a plurality of hollow holes 14 penetrating through the side wall thereof, so that water can enter the base, cleaning is more convenient, and the weight of the twisting device can be reduced.
Referring to fig. 1, 2 and 4, in the preferred embodiment, the handle 3 is provided with a ratchet chamber 32, and the tensioning mechanism 4 includes a cross bar 41 passing transversely through the ratchet chamber 32, a ratchet 43 provided on the cross bar 41, and a slide bar 44 having one end extending into the ratchet chamber 32 and capable of locking the ratchet 43, and through holes 410 are provided on both sides of the ratchet 43 on the cross bar 41. The end of the cross bar 41 extending out of the handle 3 is detachably connected with a knob 42, and the cross bar 41 is detachably and fixedly connected with the knob 42.
In the preferred embodiment, a slide bar cavity 31 with an open top is arranged on the handle 3 and above the ratchet bin 32, a slide bar seat 45 is arranged in the slide bar cavity 31, a slide bar guide hole 451 is arranged in the slide bar seat 45, and a slide bar 44 is inserted in the slide bar guide hole 451. The lower extreme of slide bar 44 stretches to the top of ratchet 43 from the top of ratchet storehouse 32, is equipped with boss 471 on the slide bar 44, and the outside of slide bar 44 is equipped with the compression spring 47 that can pop out slide bar 44 downwards between boss 471 and slide bar seat 45, and the upper end of slide bar 44 wears out slide bar seat 45 to connect tongue piece 46 above slide bar seat 45, the position that tongue piece 46 contacted with slide bar seat 45 is in the gradual rising setting from one end to the other end. When the steel wire is tightened, the knob 42 is screwed, the cross bar 41 drives the ratchet wheel 43 to synchronously rotate, and the slide bar 44 is clamped between teeth of the ratchet wheel 43 under the action of the compression spring 47 to prevent the cross bar 41 from reversing. When the wire twisting operation is completed, the tongue 46 is pinched by a hand to rotate and lift the slide bar 44 upward, and the knob 42 is reversely screwed to draw out the wire wound around the cross bar 41.
When the split type split ridge separating device is used, after a steel wire bypasses a sternum, an opening of the annular split ridge preventing device 5 is adjusted to be aligned with a wire inlet groove 13 of the base 1, two ends of the steel wire sequentially penetrate through a steel wire gathering through hole 12, the split ridge preventing device 5 and a wire feeding groove 21, and two ends of the steel wire are respectively located on two sides of a separating ridge 22; then connecting the steel wire with the cross rod 41 of the tensioning mechanism 4, inserting one end of the steel wire into a through hole on the cross rod 41 and screwing a knob 42 to enable the cross rod 41 to rotate one circle, inserting the other end of the steel wire into the other through hole of the cross rod 41 and screwing the cross rod 41 again to fix the tail end of the steel wire, tilting the twister at an angle of 45 degrees and screwing the knob 42 to enable the steel wire to continue to wind on the cross rod 41, tightening the steel wire while confirming that two steel wires are respectively arranged on two sides of the separation ridge 22, adjusting the knob 42 of the tensioning mechanism 4 to enable the steel wire to be tightened, simultaneously rotating the base 1 and pressing left and right steel wires on the sternum through a pressure head 15 at the lower end of the base 1, screwing the knob 42 again until the steel wire is completely tightened to enable the axis of the twister to be perpendicular to the sternum; one hand holds the base 1 still, and the other hand rotates the handle 3 unidirectionally to mutually twist the steel wires until the twisted part of the steel wires is twisted off at the lower part of the separation ridge 22.
According to the invention, the anti-drop ring is arranged on the twisting shaft, so that the steel wire is prevented from falling out of the wire feeding groove, and the problem that the steel wire falls out of the wire feeding groove is effectively solved.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.