CN113090031B

CN113090031B - Handheld reinforcing bar binding tool

Info

Publication number: CN113090031B
Application number: CN202110297770.7A
Authority: CN
Inventors: 邢立化; 郝海涛; 张凯; 王洋
Original assignee: Beijing Tosun Technology Development Co ltd
Current assignee: Beijing Tosun Technology Development Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-11-16
Anticipated expiration: 2041-03-19
Also published as: CN113090031A

Abstract

The application relates to a handheld reinforcing steel bar binding tool, which comprises a material storage box with an opening at one end, wherein the material storage box is divided into a feeding shell and a rolling shell along the length direction of the material storage box; a plurality of screw threads are arranged in the feeding shell; the screw thread comprises a stress part, a winding part, a hook sleeve part and a hook part; a tensioning mechanism which applies thrust towards the opening direction of the material storage box to the whole row of screw threads is arranged in the feeding shell; one end of the feeding shell, which is positioned at the opening of the material storage box, is provided with a guide mechanism for bending and fixing the hook sleeve part and the hook part which are close to each other; a linkage mechanism for blocking the whole row of screw fasteners from moving towards the opening of the material storage box is arranged in the feeding shell; a pushing mechanism used for pushing the single screw thread to the guide mechanism is connected in the feeding shell in a sliding manner, and a handle fixed with the pushing mechanism is connected outside the feeding shell in a sliding manner; a screwing hook unlocking mechanism which enables the two winding parts to be mutually wound and screwed is arranged in the winding shell. The efficiency that this application has reinforcement is higher to can reduce the effect of the damage that the ligature in-process caused the human body.

Description

Handheld reinforcing bar binding tool

Technical Field

The application relates to the technical field of building construction, especially, relate to a handheld reinforcing bar instrument of tying up.

Background

The binding is the binding of the reinforcing steel bar structure in the initial construction stage, and is convenient for better and safe construction.

The existing reinforcement binding is that an operator squats to bind iron wires at the joint between the reinforcements, and when the operator has bound one part, the operator stands up to go to the next part for squat binding again.

In view of the above-mentioned related art, the inventors have considered that there are defects that the work efficiency is low and the hand, spine, etc. of the operator are damaged.

Disclosure of Invention

In order to embody reinforcement's high efficiency to reduce the damage that causes the human body, this application provides a handheld reinforcing bar instrument of tying up.

The application provides a handheld reinforcing bar instrument of tying up adopts following technical scheme:

a handheld reinforcing steel bar binding tool comprises a material storage box with an opening at one end, wherein the material storage box is divided into a feeding shell and a rolling shell along the length direction of the material storage box; a plurality of screw threads are arranged in the feeding shell and are arranged along the length direction of the feeding shell;

the screw thread comprises a stress part, winding parts which are respectively fixed at two ends of the stress part and are obliquely arranged, a hook sleeve part fixed at one end of one winding part far away from the pressing part, and a hook part fixed at one end of the other winding part far away from the pressing part, wherein the hook sleeve part and the hook part are the same end of the screw thread, the stress part is the other end of the screw thread, and the screw thread is flared in the direction from the stress part to the hook sleeve part and the hook part and faces the opening of the storage box;

a tensioning mechanism which applies thrust towards the opening direction of the material storage box to the whole row of screw threads is arranged in the feeding shell; one end of the feeding shell, which is positioned at the opening of the material storage box, is provided with a guide mechanism for bending and fixing the hook sleeve part and the hook part which are close to each other; a linkage mechanism for blocking the whole row of screw fasteners from moving towards the opening of the material storage box is arranged in the feeding shell; a pushing mechanism used for removing the blocking of the linkage mechanism and pushing the single screw thread to the guide mechanism is connected in the feeding shell in a sliding manner, and a handle which is fixed with the pushing mechanism and slides synchronously is connected outside the feeding shell in a sliding manner; a screwing hook unlocking mechanism used for rotating the stress part to enable the two winding parts to be mutually wound and screwed is arranged in the winding shell.

By adopting the technical scheme, the opening of the material storage box is aligned to the joint between the steel bars, the handle slides towards the opening of the material storage box, so that the pushing mechanism slides, the pushing mechanism removes the blocking of the linkage mechanism to the screw thread, and pushes the single screw thread to the guide mechanism, after the pushing mechanism is separated from the linkage mechanism, the tensioning mechanism simultaneously pushes the whole row of screw threads to move for the distance of one screw thread towards the direction of the material storage box, and the linkage mechanism blocks the rest screw thread again; the guide mechanism is used for enabling a hook sleeve part and a hook part of the screw thread to be close to each other and fixed on one side, away from the storage box, of a joint of the reinforcing steel bar, at the moment, the screw thread package is in a closed state at the joint of the reinforcing steel bar, then the handle slides towards the direction away from the reinforcing steel bar, the pushing mechanism moves to the position of the linkage mechanism again, the handle is continuously pulled, the storage box integrally moves towards the direction away from the reinforcing steel bar, at the moment, the screwing and unlocking mechanism rotates the stress part, the two winding parts are wound with each other, and finally the screw thread screws the joint of the reinforcing steel bar; with this reciprocal, whole ligature process only needs to aim at the reinforcing bar with the storage box opening part, promotes the handle towards the reinforcing bar, toward the screw thread separation of the direction pulling handle that deviates from the reinforcing bar until storage box and ligature, can be more swift handing-over department to each reinforcing bar ligature to handle and storage box have certain length, can increase or reduce the length of handle according to operating personnel's concrete height, the damage that causes the human body when having reduced the ligature.

Optionally, the feeding shell is of a double-layer structure, the layer of the feeding shell located in the material storage box is an inner layer, the layer of the feeding shell located outside is an outer layer, the middle part of the inner layer in the length direction protrudes towards the inside of the material storage box to form an inner rail, and a cavity is formed between the inner layer and the outer layer;

the surface of the inner rail, which is far away from the outer layer, is provided with an unlocking hole communicated with the cavity, the unlocking hole is positioned at one end of the inner rail, which is far away from the opening of the material storage box, the inner wall of the cavity is fixedly provided with a bending rod, and the top end of the bending rod extends to the unlocking hole, penetrates through the unlocking hole and protrudes out of the surface of the inner rail, which is far away from the outer layer;

the tensioning mechanism comprises a sliding plate connected on the inner rail in a sliding manner and a coil spring fixed on the surface of the sliding plate, which is far away from the inner rail, one end of the coil spring penetrates through the sliding plate and then extends between the sliding plate and the inner layer, and continues to extend towards the opening of the material storage box, one end of the coil spring, which is close to the opening of the material storage box, is fixed with the feeding shell, and the coil spring is always in a stretching state; the sliding plate is provided with a lock groove communicated with the unlocking hole, one end of the bending rod, which is far away from the fixing position of the bending rod, extends into the lock groove, and the fixing position of the bending rod and the inner wall of the cavity can be bent and reset.

By adopting the technical scheme, the coil spring is always in a stretching state, so that the sliding plate always has a force moving towards the opening direction of the material storage box, the sliding plate always pushes the whole row of screw threads to move towards the opening of the material storage box, and the discharging efficiency of the screw threads is improved; when steel bars do not need to be bound, the sliding plate slides towards the direction deviating from the opening of the material storage box, so that the sliding plate firstly squeezes one end, extending out of the unlocking hole, of the bending rod into the unlocking hole, when the locking groove is communicated with the unlocking hole, the bending rod resets, one end, far away from the fixing position of the bending rod, of the bending rod is inserted into the locking groove, the sliding plate can be fixed on the inner rail, the sliding plate does not apply thrust to the screw thread all the time, and the possibility of deformation caused by long stress time of the screw thread is reduced; when the tool is used again, only one end of the bending rod, which is located in the lock groove, needs to be pressed into the unlocking hole, and the sliding plate can be pushed to move by the aid of tension of the coil spring on the inner rail, so that convenience in use of the handheld reinforcing steel bar binding tool is improved.

Optionally, the linkage mechanism comprises a sleeve plate which is positioned in the cavity and fixed with the inner layer, a rotating plate which is rotatably connected in the sleeve plate, an elastic block which is fixed in the sleeve plate, and a blocking column and a linkage column which are fixed on the surface of the rotating plate, which is far away from the outer layer, wherein the blocking column is positioned on one side of the linkage column, which is far away from the opening of the material storage box, and one side of the elastic block is attached to the surface of the rotating plate, which is just opposite to the outer layer;

the inner rail is provided with a sliding hole facing the outer layer, one end of the sliding hole facing the opening of the material storage box is provided with an opening, one ends, far away from the outer layer, of the blocking column and the linkage column extend out of the sliding hole, the tension mechanism tightly pushes the stress part of the screw thread against the blocking column, the linkage column is used for blocking the screw thread separated from the blocking column, the pushing mechanism is used for pushing the screw thread on the linkage column towards the opening of the material storage box, meanwhile, the screw thread on the linkage column extrudes the linkage column and enables the linkage plate to rotate, and the blocking column rotates to enable the next screw thread to move to the linkage column.

By adopting the technical scheme, when the handheld reinforcing steel bar binding tool is used, the material storage box is firstly opened, the linkage column is pressed, the rotating plate rotates, the sliding plate pushes the whole row of screw threads to move, the screw threads on the interception column move to the linkage column, and the resilience force of the elastic block enables the rotating plate to reset; the storage box is closed, the pushing handle is pushed to enable the pushing mechanism to push the screw threads on the linkage column to the guide mechanism, when the screw threads on the linkage column move, the linkage column is extruded to enable the rotating plate to rotate again, the sliding plate continues to push the whole row of screw threads to move, the screw threads on the blocking column move to the linkage column again, and therefore the binding can be conducted on the joint positions of the reinforcing steel bars continuously, and the binding efficiency is improved.

Optionally, the pushing mechanism comprises a pushing plate connected in the cavity in a sliding manner, and a pushing block fixed on the surface of the pushing plate, which is far away from the outer layer, the pushing block is located at one end of the pushing plate, which is close to the opening of the material storage box, the surface of the outer layer, which is far away from the inner layer, is provided with a moving hole, and the handle is fixed with the pushing plate through the moving hole;

the position of the push block, which is far away from one end of the push plate and is close to the sliding plate, is arc-shaped, and the arc-shaped position of the push block can jack up the stress part of the screw thread and penetrate through the stress part, so that the push block moves from one side, close to the opening of the material storage box, of the screw thread to one side, far away from the opening of the material storage box, of the screw thread.

Through adopting above-mentioned technical scheme, earlier remove the ejector pad to the screw thread department that is closest to the storage box opening during the use to continue to remove the ejector pad and make it remove to the screw thread and deviate from storage box open-ended one side, promote the handle this moment, make the ejector pad promote the atress portion of screw thread and slide towards the storage box opening, take back the handle again, the ejector pad removes again and deviates from storage box open-ended one side to next screw thread, with this reciprocating, improved the pay-off efficiency of single screw thread.

Optionally, the surface of the outer layer deviating from the inner layer protrudes towards the outside to form an external track, a buckle plate is fixed on the handle, the buckle plate is buckled on the outer wall of the external track to slide, and the external track is clamped between the buckle plate and the push plate.

Through adopting above-mentioned technical scheme, when promoting the handle and removing, the buckle slides at outside track outer wall, and push plate slides at outside track inner wall simultaneously, has improved the stability of sliding of ejector pad, and then provides the guarantee to the ligature efficiency of reinforcing bar handing-over department.

Optionally, a limiting plate is fixedly arranged at one end, close to the opening of the material storage box, of the pushing plate, a limiting block is fixedly arranged at the position, located at the opening of the material storage box, of the inner wall of the feeding shell, and when the limiting plate moves to abut against the limiting block, the hooking portion and the hook portion are fixed.

Through adopting above-mentioned technical scheme, when promoting the handle and making push plate drive the screw thread and slide towards the storage box opening part, limiting plate and stopper can be injectd push plate's the distance of sliding, when push plate slided to the limiting distance, hook cover portion and crotch portion just fixed, and then improved the ligature efficiency of reinforcing bar handing-over department.

Optionally, the guide mechanism includes a first guide column and a second guide column, the first guide column and the second guide column are both fixedly arranged at the position of the feeding shell at the opening of the material storage box, guide grooves are respectively formed in the side walls of the first guide column and the second guide column, which are opposite to each other, and the guide grooves are arranged towards the opening at one end inside the material storage box;

the inner side walls, opposite to each other, of the two guide grooves are S-shaped, the parts, close to the opening of the material storage box, of the inner side walls, opposite to each other, of the two guide grooves are close to each other, the parts, far away from the opening of the material storage box, of the inner side walls, opposite to each other, of the two guide grooves are far away from each other, and the inner walls, far away from the opening of the material storage box, of the guide grooves and the inner walls of the S-shaped guide grooves are the same;

the end of the hook sleeve part far away from the stress part is annular, the end of the hook part far away from the stress part is hook-shaped, and the hook end of the hook part is inserted into the annular end of the hook sleeve part.

Through adopting above-mentioned technical scheme, when push mechanism drove single screw thread and removes to guiding mechanism department, hook cover portion and crotch part insert respectively in two relative guide way, and buckle along with the crooked production of guide way inner wall, the screw thread is still moving this moment, hook cover portion and crotch are close to each other, and make the ring end cover of hook cover portion on hook portion's hook end, rethread is twisted hook release mechanism and is rotated the atress portion, make two winding portion intertwine and screw up, it is more firm between hook cover portion and the crotch portion, the ligature efficiency of reinforcing bar handing-over department has been improved.

Optionally, the stress part, the winding part, the hook sleeve part and the hook part are all integrally formed, the screw thread is formed by bending a metal wire, and the hook end of the hook part is the two ends of the metal wire;

a fixed block is fixedly arranged in a guide groove on the first guide post, the fixed block is fixed at the concave position of the guide groove, a shrinkage hole is obliquely arranged on the surface of the fixed block, which is opposite to the opening of the material storage box, the shrinkage hole is opposite to the opening on one side of the second guide post, retaining strips are fixedly arranged on the side wall of the fixed block, which is opposite to the guide post, and a distance is reserved between the two retaining strips; spacing strips are fixedly arranged on two opposite inner side walls of the guide grooves on the second guide post, and a distance is reserved between the two spacing strips.

By adopting the technical scheme, compared with the structure that the stress part, the winding part, the hook sleeve part and the hook part are welded, the thread formed by bending the single metal wire has higher strength, the fixing of the joint of the reinforcing steel bar can be more durable, and the stress part and the winding part are both of a double-layer structure because the two ends of the metal wire are the hook ends of the hook part; the hook sleeve part penetrates through the shrinkage hole, so that the inner side wall opposite to the shrinkage hole and the two barrier strips can both play a role in guiding the hook sleeve part, the deformation of the hook sleeve part under the condition of abnormal bending is reduced, and the hook part penetrates through the two limiting strips and can play a role in guiding the hook part; the distance between two blend stops, the distance between two spacing strips are used for supplying two windings respectively to pass to make handheld steel bar binding tool and screw thread separation, finally improved the ligature efficiency and the quality of screw thread.

Optionally, the hook screwing and unlocking mechanism comprises a lifting spring, a spiral rod, a guide sleeve, a ball, an accommodating box, a rotating hook and a reset assembly, one end of the lifting spring is fixed at one end, far away from the opening of the material storage box, in the coiling shell, the other end of the lifting spring is fixed with one end, far away from the opening of the material storage box, of the spiral rod, the other end of the spiral rod extends out of the opening of the material storage box and is fixed with the accommodating box, and the rotating hook is rotatably connected to one end, far away from the lifting spring, of the accommodating box;

the guide sleeve is fixed in the coiling shell, the screw rod penetrates through the guide sleeve, the spiral outer edge of the screw rod is abutted against the circumferential inner side wall of the guide sleeve, the ball is connected in the guide sleeve in a rolling manner, and the outer surface of the ball is abutted against the spiral surface of the screw rod;

after the hook sleeve part and the hook part are mutually close to each other, bent and fixed, the rotating hook is positioned in the screw thread, and the stressed part is positioned on one side of the rotating hook, which is far away from the steel bar; the reset assembly is positioned in the containing box and is used for keeping the rotating hook hooked on the stressed part when the stressed part is pulled to rotate along with the containing box; when the stress part is separated from the rotating hook, the reset assembly supplies the rotating hook to rotate along the axis of the rotating hook so as to be separated from the stress part, and the reset assembly also supplies the rotating hook to reset after rotating.

By adopting the technical scheme, after the hook sleeve part and the hook part are fixed, the handle is pulled towards the direction deviating from the reinforcing steel bar, so that the whole material storage box moves, the rotating hook is hooked on the stress part, the handle is continuously pulled, the lifting spring is stretched, the screw rod moves in the guide sleeve, the screw rod rotates while moving in the guide sleeve due to the fact that the balls abut against the spiral surface of the screw rod, the rotating hook further rotates along the axis of the screw rod, the rotating hook drives the stress part to rotate, and the two winding parts are wound and screwed; rethread reset assembly makes swivel hook and atress portion break away from, and whole handheld steel bar binding tool and reinforcing bar separation this moment to reset assembly supplies the swivel hook again to reset assembly to reset, and in order to carry out the reinforcement of next department, whole process only need drag the handle and can make the screw thread tighten in reinforcing bar handing-over department, has improved the ligature efficiency of reinforcing bar.

Optionally, the reset assembly comprises a limit spring, a top block, a reset spring and a reset hook, wherein one end of the limit spring close to the screw rod is fixed in the accommodating box, one end of the limit spring far away from the screw rod is fixed with the top block, a groove is formed in the rotating hook, the limit spring tightly pushes the top block in the groove, and the groove and the hook end of the rotating hook are respectively located on two sides of the rotating hook opposite to the rotating axis of the rotating hook;

a tongue groove is formed in the rotating hook, the reset hook rotates in the tongue groove, the reset hook and the rotating hook are the same rotating shaft, one end, close to the opening of the material storage box, of the reset spring is hung in the containing box, the other end of the reset spring is hung on the reset hook, and the hook end of the reset hook is located below the hook end of the rotating hook and protrudes out of the tongue groove; when the rotating hook is separated from the stress part, the rotating hook is pressed on the reset hook to rotate together; after the rotating hook is separated from the stress part, the reset hook pushes the rotating hook to rotate and reset.

By adopting the technical scheme, the rotating hook is hooked on the stress part, and when the handle is pulled to enable the screw rod to rotate, the limiting spring applies pressure to the rotating hook through the ejector block so as to counteract the force of the stress part for dragging the rotating hook and enabling the rotating hook to rotate along the axis of the rotating hook, and the rotating hook is kept hooked on the stress part when the stress part is dragged by the rotating shaft to rotate along the axis of the screw rod; when unhooking is needed, the handle is pulled forcefully again, so that the pulling force of the stress part on the rotating hook is larger than the pressure applied by the limiting spring, the rotating hook rotates and presses the reset hook to rotate to be separated from the stress part, and meanwhile, the reset spring stretches; after the stress part breaks away from, reset spring's the power that returns makes the hook that resets gyration, and the hook that resets promotes to change the hook and together gyration, and the hook that resets finishes, and spacing spring makes the hook that changes finally to reset to the pressure that changes the hook and apply, has improved the efficiency that changes the hook and break away from the stress part and reset, and then has improved the ligature efficiency of reinforcing bar.

Drawings

FIG. 1 is a schematic structural diagram illustrating an opened state of a storage box in an embodiment of the present application;

FIG. 2 is a schematic view showing the structure of the screw thread;

FIG. 3 is a schematic diagram showing the structure of the linkage mechanism and the pushing mechanism;

FIG. 4 is a schematic view showing the structure of the tensioning mechanism;

FIG. 5 is a schematic view showing the structure of the bending bar and the unlocking hole;

FIG. 6 is a schematic view showing the structure of the linkage mechanism;

FIG. 7 is a schematic view showing the structure of the elastic block;

FIG. 8 is an exploded view showing the slide plate and the moving hole;

FIG. 9 is a schematic structural view showing a cooperating relationship between the link mechanism and the pushing mechanism;

FIG. 10 is a schematic view showing the structure of the push plate and the push plate;

FIG. 11 is a schematic structural diagram showing a limiting plate and a limiting block;

FIG. 12 is a schematic view showing the structure of the guide mechanism and the pressing piece;

FIG. 13 is a schematic view showing the structure of the guide mechanism and the stopper bar;

FIG. 14 is a schematic view showing the structure of the fixing block and the tightening hole;

FIG. 15 is a schematic view showing the structure of the screw hook unlocking mechanism;

FIG. 16 is a schematic view showing the fitting relationship between the balls and the screw;

FIG. 17 is a schematic view showing the engagement between the reset device and the rotating hook;

FIG. 18 is a schematic view showing the structure of the latch assembly in the storage case closed state.

In the figure, the position of the upper end of the main shaft,

1. a material storage box; 11. a feeding shell; 111. an inner layer; 1111. an inner rail; 1112. a cavity; 1113. unlocking the hole; 1114. a bending rod; 1115. a slide hole; 112. an outer layer; 1121. an outer track; 12. rolling the shell;

2. threading; 21. a force receiving portion; 22. a winding section; 23. a shackle portion; 24. a hook portion;

3. a tensioning mechanism; 31. a slide plate; 311. locking the groove; 312. pushing the groove; 32. a coil spring;

4. a linkage mechanism; 41. sheathing; 42. a rotating plate; 43. an elastic block; 44. intercepting columns; 45. a linkage column;

5. a pushing mechanism; 51. a push plate; 511. a limiting plate; 512. a limiting block; 52. a push block;

6. a handle; 61. buckling the plate; 62. moving the hole; 63. pasting a board;

7. a guide mechanism; 71. a first guide post; 711. a guide groove; 712. a fixed block; 713. tightening the hole; 714. blocking strips; 715. extruding the block; 716. extruding the sheet; 72. a second guide post; 721. a limiting strip;

8. a hook-screwing unlocking mechanism; 81. lifting the spring; 82. a screw rod; 83. a guide sleeve; 84. a ball bearing; 85. accommodating the box; 851. a guide hole; 86. rotating the hook; 861. a groove; 862. a tongue groove; 87. a reset assembly; 871. a limiting spring; 872. a top block; 873. a return spring; 874. a reset hook;

9. a latch assembly; 91. a fixing sheet; 92. bending the sheet; 921. buckling a lock hole; 93. and (6) locking the block.

Detailed Description

The present application is described in further detail below with reference to figures 1-18.

The embodiment of the application discloses a handheld reinforcing bar binding tool, and the embodiment describes a vertical state of the handheld reinforcing bar binding tool.

Referring to fig. 1 and 2, a hand-held reinforcing steel bar binding tool comprises a storage box 1 which is vertically arranged and has an opening at the bottom end, the storage box 1 is divided into a feeding shell 11 and a winding shell 12 along the vertical direction, the side edge of the feeding shell 11 in the length direction is hinged with the side edge of the winding shell 12 in the length direction, and a locking component 9 for fixing the feeding shell 11 and the winding shell 12 in a closed state to form the storage box 1 is arranged between the feeding shell 11 and the winding shell 12; a plurality of screw threads 2 that arrange along vertical direction have been placed in pay-off shell 11, all screw threads 2 are parallel to each other, screw thread 2 includes atress portion 21, fix the winding portion 22 that sets up at atress portion 21 both ends and slope, fix respectively at the shackle portion 23 and the crotch portion 24 of two winding portion 22 bottoms, atress portion 21 is the top of screw thread 2, distance between two winding portions 22 from top to bottom crescent, shackle portion 23 and crotch portion 24 are the bottom of screw thread 2, whole screw thread 2 is the flaring setting downwards.

Referring to fig. 1 and 3, a tensioning mechanism 3 for pushing the whole row of screw threads 2 downwards is arranged at the top of the feeding shell 11; a linkage mechanism 4 for intercepting the downward movement of the whole row of screw threads 2 is arranged in the feeding shell 11 and close to the bottom end; the bottom end of the feeding shell 11 is provided with a guide mechanism 7 for bending and fixing the hook sleeve part 23 and the hook part 24 to each other so as to enable the screw thread 2 to wrap the joint of the reinforcing steel bars; a pushing mechanism 5 for intermittently releasing the linkage mechanism 4 from intercepting the whole row of screw threads 2 and sequentially pushing the single screw threads 2 to the guide mechanism 7 is arranged between the linkage mechanism 4 and the guide mechanism 7, the pushing mechanism 5 is vertically connected in a feeding shell 11 in a sliding manner, a handle 6 which is relatively fixed with the pushing mechanism 5 is vertically connected outside the feeding shell 11 in a sliding manner, and the pushing of the single screw threads 2 by the pushing mechanism 5 is realized through pushing and pulling the handle 6; the winding shell 12 is internally provided with a screwing hook unlocking mechanism 8 which is used for dragging the force-bearing part 21 at the position of the guide mechanism 7 to rotate so as to screw the two winding parts 22 mutually and separate the whole handheld steel binding tool from the joint of the steel bars.

When the handheld reinforcing steel bar binding tool is used, the opening of the material storage box 1 is aligned to a reinforcing steel bar joint, the handle 6 is pushed to enable the pushing mechanism 5 to push the single screw thread 2 to the guide mechanism 7, the hook sleeve part 23 and the hook part 24 are mutually bent, close to and fixed through the guide mechanism 7, and at the moment, the screw thread 2 wraps the reinforcing steel bar joint; drag handle 6 and make 5 sliding once more of push mechanism to 4 departments of link gear, twist simultaneously that hook release mechanism 8 drags atress portion 21 and make two winding portions 22 tighten, whole screw thread 2 screws up fixedly with handing-over department of reinforcing bar this moment, make whole handheld steel bar binding instrument break away from reinforcing bar handing-over department at last, in order to supply the ligature of next reinforcing bar handing-over department, whole ligature process only need push-and-pull handle 6 can, the ligature efficiency of reinforcing bar has been improved, and can adjust handle 6's length according to human height, in order to reduce the damage that the reinforcing bar ligature in-process caused the human body.

Referring to fig. 2, each of the screw threads 2 is integrally formed and formed by bending a single metal wire, the stress part 21 and the winding part 22 are both of a double-layer structure, the hooking part 23 is annularly arranged, and the length direction of the hooking part 23 is parallel to the length direction of the winding part 22 fixed to the hooking part 23; the hook part 24 is arranged in a ring shape, the length direction of the hook part 24 is parallel to the length direction of the winding part 22 fixed with the hook part 24, hooks are protruded from the bottom end of the hook part 24, the hooks are two ends of a metal wire, and the hooks of the hook part 24 are used for being inserted into the bottom end of the hook sleeve part 23; the integrated into one piece's screw thread 2 has higher intensity, can be more lasting in the fixed of handing-over department to the reinforcing bar, has improved reinforcement's quality.

Referring to fig. 4 and 5, the feeding shell 11 includes an inner layer 111 and an outer layer 112, the inner layer 111 is fixedly attached to the inner side wall of the outer layer 112, the middle portion of the inner layer 111 parallel to the length direction of the inner layer protrudes toward the inside of the material storage box 1 to form an inner rail 1111, the middle portion of the outer layer 112 parallel to the length direction of the inner layer protrudes toward the direction departing from the inside of the material storage box 1 to form an outer rail 1121, and a vertically arranged cavity 1112 with an upper and lower opening is formed between the inner rail 1111 and the outer rail 1121.

Referring to fig. 4 and 5, the tensioning mechanism 3 includes a sliding plate 31 vertically slidably connected to a side wall of the inner rail 1111, which is away from the outer rail 1121, and two coil springs 32 fixed to the sliding plate 31, where the two coil springs 32 are respectively located at two sides of the inner rail 1111 in the length direction, one end of each coil spring 32 penetrates through the sliding plate 31 and then vertically extends downward in a space between the sliding plate 31 and the inner layer 111, the bottom end of each coil spring 32 is fixed to the bottom of the inner layer 111, and the coil spring 32 is always in a stretched state; a bending rod 1114 is fixedly arranged in the cavity 1112, an unlocking hole 1113 is formed in the position, close to the top end, of the inner layer 111, a locking groove 311 communicated with the unlocking hole 1113 is formed in the sliding plate 31, the top end of the bending rod 1114 extends upwards to the unlocking hole 1113 and penetrates through the unlocking hole 1113 and the locking groove 311 after being bent, one end, protruding out of the locking groove 311, of the bending rod 1114 is arranged in an arc shape, a fixed position at the bottom end of the bending rod 1114 can be bent and reset, and the sliding plate 31 is located at the top end of the feeding shell 11 when being in an initial state; the lower surface of the sliding plate 31 is provided with a push groove 312, the inner side wall of the push groove 312 opposite to the push groove is obliquely arranged, the push groove 312 is positioned right above the screw thread 2, and the inner side wall of the push groove 312 opposite to the oblique side wall is used for being attached to the two winding parts 22 of the screw thread 2.

When the handheld steel bar binding tool is used, the material storage box 1 is firstly opened, the arc end of the bending rod 1114 is pressed, the bending rod 1114 rotates and is separated from the locking groove 311, the sliding plate 31 slides downwards and is tightly abutted to the screw thread 2 at the top by the pulling force of the coil spring 32, so that the sliding plate 31 can always apply thrust to the screw thread 2 when the handheld steel bar binding tool is used, and the discharging efficiency of the screw thread 2 is improved; when need not to carry out the ligature to the reinforcing bar, slide 31 towards pay-off shell 11 top and slide, the circular arc end of buckling pole 1114 firstly receives the extrusion on slide 31 top and rotates, when the locked groove 311 remove to communicate with the unlocking hole 1113, buckle pole 1114 inserts again and resets in unlocking hole 1113 and the locked groove 311, slide 31 is fixed for pay-off shell 11, screw thread 2 no longer receives the thrust of slide 31, has reduced screw thread 2 and has received the possibility that thrust leads to the deformation for a long time.

Referring to fig. 6 and 7, the linkage mechanism 4 includes a sleeve plate 41 located in the cavity 1112 and fixed to the inner rail 1111, a rotating plate 42 horizontally and rotatably connected to the sleeve plate 41, an elastic block 43 fixed to the sleeve plate 41, two blocking columns 44 and a linkage column 45 fixed to the bottom end of the surface of the rotating plate 42 facing away from the outer layer 112, the two blocking columns 44 are located above the linkage column 45, and the outer ends of the blocking columns 44 and the linkage column 45 are arc-shaped; the elastic block 43 is attached to the surface of the rotating plate 42 facing the outer layer 112, and the attachment position of the elastic block 43 and the rotating plate 42 is positioned below the rotating axis of the rotating plate 42; the surface of the inner rail 1111, which faces the outer layer 112, is provided with a sliding hole 1115 with a lower opening, the interception post 44 and the linkage post 45 both penetrate through the sliding hole 1115 and protrude out of the surface of the inner rail 1111, which faces away from the outer layer 112, the sliding plate 31 presses the whole row of screw threads 2 on the interception post 44, and the pushing mechanism 5 is used for enabling the single screw thread 2 on the interception post 44 to move downwards onto the linkage post 45 and pushing the screw thread 2 on the linkage post 45 to the guide mechanism 7.

When the hand-held steel bar binding tool is used, the linkage column 45 is pressed down firstly, so that the rotating plate 42 rotates, the elastic block 43 compresses, the outer end of the blocking column 44 retracts into the sliding hole 1115, the elastic block 43 rebounds to reset the rotating plate 42, the single screw thread 2 on the blocking column 44 moves downwards to the linkage column 45, when the pushing mechanism 5 pushes the screw thread 2 on the linkage column 45 downwards, the screw thread 2 extrudes the outer end of the linkage column 45, the rotating plate 42 rotates again, when the screw thread 2 on the linkage column 45 is separated from the linkage column 45, the screw thread 2 on the blocking column 44 continuously moves to the linkage column 45, and therefore reciprocating is achieved, the pushing mechanism 5 can sequentially push the single screw threads 2 continuously, and binding efficiency of a plurality of steel bar binding positions is improved.

Referring to fig. 8 and 9, the pushing mechanism 5 includes a pushing plate 51 vertically slidably connected in the cavity 1112 and two pushing blocks 52 fixed at the bottom end of the pushing plate 51, the pushing blocks 52 slidably move in the sliding holes 1115, one end of each pushing block 52 penetrates through the sliding holes 1115 and protrudes out of the surface of the inner rail 1111 away from the outer layer 112, the top of one end of each pushing block 52 extending out of the sliding holes 1115 is arc-shaped, the side wall of the outer layer 112 facing the inner layer 111 is provided with a moving hole 62, and one end of the handle 6 extends into the moving hole 62 and is fixed with the pushing plate 51; a buckle 61 is vertically and fixedly arranged on the handle 6, the buckle 61 is attached to the outer rail 1121 and shields the moving hole 62, and the push plate 51 is attached to the inner side wall of the outer layer 112.

Referring to fig. 10 and 11, a plurality of vertical and opposite attachment plates 63 are fixedly arranged on the inner side wall of the inner layer 111 facing the outer layer 112, and two sides of the push plate 51 parallel to the length direction are respectively attached to the opposite side walls of the two attachment plates 63; the bottom end of the pushing plate 51 is fixedly provided with a limiting plate 511, the bottom end of the inner side wall of the feeding shell 11 is fixedly provided with a limiting block 512 positioned under the limiting plate 511, the top of the limiting block 512 is arc-shaped, and when the limiting plate 511 moves downwards to abut against the limiting block 512, the hook sleeve part 23 and the hook part 24 are just fixed.

Firstly, the handle 6 is pulled upwards to enable the buckle plate 61 to slide on the outer rail 1121, the pushing plate 51 moves upwards in the cavity 1112, meanwhile, the pushing block 52 moves upwards to the position of the screw thread 2 on the linkage column 45, the screw thread 2 is jacked up and then moves to the position above the screw thread 2 on the linkage column 45, and then the handle 6 is pushed downwards to enable the pushing block 52 to jack the screw thread 2 downwards and separate from the linkage column 45, so that the reciprocating motion is realized, and the discharging efficiency of a single screw thread 2 is improved; the outer layer 112 is clamped between the buckle plate 61 and the pushing plate 51, and the pushing plate 51 is clamped between the opposite attachment plates 63, so that the pushing block 52 slides more stably; the limiting plate 511 and the limiting block 512 limit the maximum gliding distance of the handle 6, so that the probability that the bottom fixing effect of the screw thread 2 is affected due to the fact that the pushing block 52 moves downwards for too long distance is reduced, and the binding efficiency is improved.

Referring to fig. 12 and 13, the guide mechanism 7 includes a first guide column 71 and a second guide column 72 vertically disposed, the first guide column 71 and the second guide column 72 are both fixed at the bottom end of the feeding housing 11 and located at two sides of the bottom end of the feeding housing 11, guide grooves 711 with upper openings are respectively formed on opposite side walls of the first guide column 71 and the second guide column 72, the side wall and the bottom wall of the guide groove 711 facing the opening of the guide groove are the same and S-shaped, portions of opposite inner side walls of the two guide grooves 711 near the top are outwardly protruded, and portions of the opposite inner side walls of the two guide grooves 711 near the bottom are inwardly recessed; the bottom of the inner wall of the inner layer 111 opposite to the inner wall is fixedly provided with an extrusion block 715, the top of the extrusion block 715 is arc-shaped, the bottom of the inner wall of the feeding shell 11 is fixedly provided with an extrusion sheet 716, the extrusion sheet 716 is positioned above the first guide column 71 and on one side of the extrusion block 715 above the first guide column 71, and the hook sleeve portion 23 penetrates through the extrusion block 715 and the extrusion sheet 716.

Referring to fig. 13 and 14, a fixing block 712 is fixedly arranged in a guide groove 711 of a first guide post 71, a tightening hole 713 is obliquely formed in the upper surface of the fixing block 712, the tightening hole 713 is arranged opposite to an opening on one side of a second guide post 72, the fixing block 712 is fixed at a recessed position of the guide groove 711, the tightening hole 713 is gradually far away from the second guide post 72 from top to bottom, two parallel blocking strips 714 are fixedly arranged on a side wall of the fixing block 712 opposite to the second guide post 72, and a space for the winding part 22 to pass through is reserved between the two blocking strips 714; the opposite inner side wall of the guide groove 711 on the second guide post 72 is vertically and fixedly provided with a limiting strip 721, the limiting strip 721 deviates from the side wall of the first guide post 71 and is obliquely arranged, the oblique direction is gradually close to the first guide post 71 from top to bottom, and a space for the winding part 22 to pass through is reserved between the two limiting strips 721.

When the screw thread 2 moves downwards, the hook sleeve part 23 is firstly inserted between the extrusion block 715 and the extrusion sheet 716 for primary bending, then is inserted downwards into the guide groove 711 and then passes through the shrinkage hole 713, the inner wall of the shrinkage hole 713 and the barrier 714 can limit the shape of the hook sleeve part 23, and the deformation probability of the hook sleeve part 23 beyond abnormal bending is reduced; meanwhile, the hook part 24 is firstly tightly pressed against the extrusion block 715 and gradually bent, and then is downwards inserted into the guide groove 711, the limiting strip 721 can limit the shape of the hook part 24, so that the deformation probability of the hook part 24 beyond abnormal bending is reduced, finally, the hook sleeve part 23 and the hook part 24 extend out of the bottoms of the two guide grooves 711 and gradually approach to each other, the loop end of the hook sleeve part 23 is aligned with the hook end of the hook part 24, when the winding part 22 is screwed through the screwing and unlocking mechanism 8, the hook sleeve part 23 and the hook part 24 are gradually far away, meanwhile, the hook end of the hook part 24 is inserted into the loop end of the hook sleeve part 23 until the loop end of the hook part 24 hooks the loop end of the hook sleeve part 23, and the fixing efficiency of the hook sleeve part 23 and the hook part 24 is improved.

Referring to fig. 15 and 16, the screwing and unlocking mechanism 8 comprises a lifting spring 81 vertically arranged in the winding shell 12, a screw rod 82 vertically arranged below the lifting spring 81, a guide sleeve 83 vertically fixed in the feeding shell 11, a ball 84 connected in the guide sleeve 83 in a rolling manner, an accommodating box 85 fixedly arranged at the bottom end of the screw rod 82, a rotating hook 86 horizontally and rotatably connected in the accommodating box 85, and a resetting assembly 87 for resetting the rotating hook 86 after rotating along the axis of the rotating hook 86; the top end of the pulling spring 81 is hung at the top end in the coiling shell 12, the bottom end of the pulling spring 81 is hung at the top end of the spiral rod 82, the spiral rod 82 penetrates through the guide sleeve 83, the spiral outer edge of the spiral rod 82 is attached to the circumferential inner side wall of the guide sleeve 83, the outer surface of the ball 84 is attached to the spiral surface of the spiral rod 82, and when the pulling spring 81 is in a natural state, the bottom end of the spiral rod 82 is positioned below the coiling shell 12; the tip of the rotating hook 86 is located outside the accommodation box 85 and is inclined upward; hook cover portion 23 and hook portion 24 buckle each other and be close to the back that finishes, upwards stimulate handle 6 makes whole storage box 1 move up, rotating hook 86 drags atress portion 21 this moment and makes hook cover portion 23 and hook portion 24 hook tight fixed, rotating hook 86 keeps the hook to rotate along the axis of hob 82 on atress portion 21 through reset assembly 87 simultaneously, make two winding portions 22 screw up each other, when needs unhook, upwards drag handle 6 hard once more, make rotating hook 86 rotate along the axis of self, make rotating hook 86 break away from the back with atress portion 21, reset assembly 87 resets rotating hook 86 again, finally make the ligature efficiency of handing-over reinforcing bar department higher.

Referring to fig. 16 and 17, the return assembly 87 includes a limit spring 871 whose top end is fixed inside the accommodation box 85, a top block 872 fixed to the bottom end of the limit spring 871, and a return spring 873 and a return hook 874; a groove 861 is formed in the rotating hook 86, the tip ends of the groove 861 and the rotating hook 86 are respectively located on two opposite sides of the rotating axis of the rotating hook 86, and the limit spring 871 pushes the jacking block 872 tightly in the groove 861; the lower surface of the rotating hook 86 is provided with a tongue slot 862 with an upper opening, the reset hook 874 is rotatably connected in the tongue slot 862, the rotation axis of the reset hook 874 is collinear with the rotation axis of the rotating hook 86, the tip of the reset hook 874 is positioned below the tip of the rotating hook 86 and protrudes out of the tongue slot 862, the top end of the reset spring 873 is hung in the accommodating box 85, and the bottom end of the reset spring 873 is hung on the reset hook 874; guide holes 851 are formed in two side walls, perpendicular to the rotation axis of the rotating hook 86, of the accommodating box 85, two ends of the top block 872 extend into the two guide holes 851 respectively, and the length direction of each guide hole 851 is parallel to the telescopic direction of the limiting spring 871.

When the rotating hook 86 hooks the force receiving part 21 and rotates along the axis of the screw rod 82, the force receiving part 21 applies a pulling force to the rotating hook 86, the limiting spring 871 applies a pressure in the opposite direction to the rotating hook 86, and when the pressure applied by the limiting spring 871 is smaller than the pulling force of the force receiving part 21, the rotating hook 86 rotates and abuts against the return hook 874, and the return spring 873 applies an acting force to the rotating hook 86 through the return hook 874, so that the rotating hook 86 is still hooked on the force receiving part 21; the handle 6 is pulled by force, so that when the pulling force exerted on the rotating hook 86 by the stress part 21 is larger than the sum of the acting force exerted on the rotating hook 86 by the limiting spring 871 and the return spring 873, the rotating hook 86 drives the return hook 874 to rotate downwards together to unhook; after atress portion 21 and rotating hook 86 break away from, reset spring 873's the power of returning back makes the hook 874 that resets drive rotating hook 86 and rotates and reset, and after the hook 874 that resets, spacing spring 871 continues to exert pressure to rotating hook 86 through kicking block 872 and makes rotating hook 86 reset to in the ligature of next reinforcing bar handing-over department, improved the ligature efficiency of reinforcing bar handing-over department.

Referring to fig. 18, the padlock assembly 9 includes a fixing piece 91 fixed on the outer side wall of the rolling shell 12, a bending piece 92 rotatably connected with the fixing piece 91, a locking block 93 fixed on the outer side wall of the feeding shell 11, the fixing piece 91 and the bending piece 92 are integrally formed, a locking hole 921 is formed at the rotating connection position of the fixing piece 91 and the bending piece 92, the locking block 93 is inserted into the locking hole 921 by rotating the bending piece 92, the locking hole 93 and the locking hole 921 are in interference fit, at this time, the locking block 93 has a pulling force on the bending piece 92, the rolling shell 12 and the feeding shell 11 are mutually fastened, the storage box 1 can be opened and closed by rotating the bending piece 92, and the use efficiency of the handheld reinforcing steel bar binding tool is improved.

The implementation principle of the handheld reinforcing bar binding tool in the embodiment of the application is as follows: when the hand-held tool for binding the reinforcing steel bars is used, the bending sheet 92 is firstly rotated to open the material storage box 1, the arc end of the bending rod 1114 is pressed, and the retraction force of the coil spring 32 enables the sliding plate 31 to slide downwards and push against the uppermost screw thread 2 in the whole row of screw threads 2; pressing the linkage column 45 down to enable the rotating plate 42 to rotate, the elastic block 43 to compress, at the moment, the outer end of the interception column 44 retracts into the sliding hole 1115, the elastic block 43 rebounds to enable the rotating plate 42 to reset, and meanwhile, the single screw thread 2 on the interception column 44 moves downwards to the linkage column 45; the handle 6 is pulled upwards, so that the sliding plate 31 slides on the outer rail 1121, the pushing plate 51 moves upwards in the cavity 1112, meanwhile, the pushing block 52 moves upwards to the position of the screw thread 2 on the linkage column 45, the screw thread 2 is jacked up and then moves to the position above the screw thread 2 on the linkage column 45, the feeding shell 11 and the winding shell 12 are buckled, and the bent folding piece 92 is rotated, so that the locking block 93 is inserted into the buckling locking hole 921.

The opening of the material storage box 1 is abutted downwards to the joint of the steel bars, the first guide column 71 and the second guide column 72 are inserted downwards and then positioned on two sides of the joint of the steel bars, the handle 6 is pushed downwards, the push block 52 pushes the screw thread 2 downwards and is separated from the linkage column 45, meanwhile, the outer end of the linkage column 45 is extruded by the screw thread 2, the rotating plate 42 rotates again, and when the screw thread 2 on the linkage column 45 is separated from the linkage column 45, the screw thread 2 on the blocking column 44 continuously moves to the linkage column 45.

When the pushing block 52 drives the single screw thread 2 to move downwards, the hook sleeve part 23 is firstly inserted between the extrusion block 715 and the extrusion sheet 716 for primary bending, and then is inserted downwards into the guide groove 711 and then passes through the shrinkage hole 713; meanwhile, the hook part 24 is firstly tightly pressed against the extrusion block 715 and gradually bent, and then is downwards inserted into the guide groove 711, finally, after the hook sleeve part 23 and the hook part 24 extend out from the bottoms of the two guide grooves 711 and gradually approach to each other, the ring end of the hook sleeve part 23 is aligned with the hook end of the hook part 24, at the moment, the joint of the steel bars is positioned in the screw thread 2, and the rotating hook 86 is positioned right below the stress part 21.

The handle 6 is pulled upwards to move the whole material storage box 1 upwards, at the moment, the rotating hook 86 pulls the stress part 21 to enable the hook sleeve part 23 and the hook part 24 to be hooked and fixed, meanwhile, the lifting spring 81 is pulled to stretch, the spiral rod 82 rotates, the spiral rod 82 drives the containing box 85 to rotate, the rotating hook 86 drives the stress part 21 to rotate along the axis of the spiral rod 82, and the two winding parts 22 are screwed tightly; when unhooking is needed, the handle 6 is pulled upwards forcibly again, so that the rotating hook 86 drives the reset hook 874 to rotate downwards together to unhook, after the stress part 21 is separated from the rotating hook 86, the retraction force of the reset spring 873 enables the reset hook 874 to drive the rotating hook 86 to rotate and reset, after the reset hook 874 resets, the limit spring 871 continues to apply pressure to the rotating hook 86 through the jacking block 872 to reset the rotating hook 86, so that the next steel bar joint can be bound, the binding efficiency of the steel bars is finally higher, and the length of the handle 6 can be adjusted according to the height of an operator; the whole steel bar binding process only needs to push and pull the handle 6, so that the damage to a human body in the steel bar binding process is reduced.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hand-held reinforcing bar instrument of tying up which characterized in that: the device comprises a material storage box (1) with an opening at one end, wherein the material storage box (1) is divided into a feeding shell (11) and a winding shell (12) along the length direction of the material storage box; a plurality of screw threads (2) are arranged in the feeding shell (11), and the screw threads (2) are arranged along the length direction of the feeding shell (11);

the screw thread (2) comprises a stress part (21), winding parts (22) which are respectively fixed at two ends of the stress part (21) and are obliquely arranged, a hook sleeve part (23) which is fixed at one end of one winding part (22) far away from the pressing part, and a hook part (24) which is fixed at one end of the other winding part (22) far away from the pressing part, wherein the hook sleeve part (23) and the hook part (24) are the same end of the screw thread (2), the stress part (21) is the other end of the screw thread (2), and the screw thread (2) is flared in the direction from the stress part (21) to the hook sleeve part (23) and the hook part (24) and is opened towards the material storage box (1);

a tensioning mechanism (3) which applies thrust to the whole row of screw threads (2) towards the opening direction of the material storage box (1) is arranged in the feeding shell (11); one end of the feeding shell (11) positioned at the opening of the material storage box (1) is provided with a guide mechanism (7) for bending and fixing the hook sleeve part (23) and the hook part (24) close to each other; a linkage mechanism (4) for blocking the whole row of screw threads (2) from moving towards the opening of the material storage box (1) is arranged in the feeding shell (11); the feeding shell (11) is connected with a pushing mechanism (5) which is used for removing the blocking of the linkage mechanism (4) and pushing the single screw thread (2) to the guide mechanism (7) in a sliding manner, and the feeding shell (11) is connected with a handle (6) which is fixed with the pushing mechanism (5) in a sliding manner and slides synchronously in an external sliding manner; a screwing hook unlocking mechanism (8) which is used for rotating the stress part (21) to wind and screw the two winding parts (22) mutually is arranged in the winding shell (12);

the feeding shell (11) is of a double-layer structure, one layer of the feeding shell (11) located in the material storage box (1) is an inner layer (111), the other layer of the feeding shell (11) located outside is an outer layer (112), the middle part of the length direction of the inner layer (111) protrudes towards the inside of the material storage box (1) to form an inner track (1111), and a cavity (1112) is formed between the inner layer (111) and the outer layer (112);

the surface of the inner rail (1111), which deviates from the outer layer (112), is provided with an unlocking hole (1113) communicated with the cavity (1112), the unlocking hole (1113) is positioned at one end of the inner rail (1111), which is far away from the opening of the material storage box (1), the inner wall of the cavity (1112) is fixed with a bending rod (1114), the top end of the bending rod (1114) extends to the unlocking hole (1113) and penetrates through the unlocking hole (1113) to protrude out of the surface of the inner rail (1111), which deviates from the outer layer (112);

the tensioning mechanism (3) comprises a sliding plate (31) connected to the inner rail (1111) in a sliding mode and a coil spring (32) fixed to the surface, away from the inner rail (1111), of the sliding plate (31), one end of the coil spring (32) penetrates through the sliding plate (31), then extends into the position between the sliding plate (31) and the inner layer (111) and continues to extend towards the opening of the material storage box (1), one end, close to the opening of the material storage box (1), of the coil spring (32) is fixed to the feeding shell (11), and the coil spring (32) is in a stretching state all the time; the sliding plate (31) is provided with a locking groove (311) communicated with the unlocking hole (1113), one end of the bending rod (1114), which is far away from the fixing position of the bending rod, extends into the locking groove (311), and the fixing positions of the bending rod (1114) and the inner wall of the cavity (1112) can be bent and reset.

2. A hand-held reinforcement binding tool according to claim 1, wherein: the linkage mechanism (4) comprises a sleeve plate (41) which is positioned in the cavity (1112) and fixed with the inner layer (111), a rotating plate (42) which is rotatably connected in the sleeve plate (41), an elastic block (43) which is fixed in the sleeve plate (41), a blocking column (44) and a linkage column (45) which are fixed on the surface of the rotating plate (42) departing from the outer layer (112), wherein the blocking column (44) is positioned on one side of the linkage column (45) departing from the opening of the material storage box (1), and one side of the elastic block (43) is attached to the surface of the rotating plate (42) facing the outer layer (112);

the inner rail (1111) is provided with a sliding hole (1115) opposite to the surface of the outer layer (112), one end, facing the opening of the material storage box (1), of the sliding hole (1115) is provided with an opening, one end, far away from the outer layer (112), of each blocking column (44) and the corresponding linkage column (45) extends out of the sliding hole (1115), the tensioning mechanism (3) tightly supports the stress part (21) of each screw thread (2) against the corresponding blocking column (44), the linkage columns (45) are used for blocking the screw threads (2) separated from the blocking columns (44), the pushing mechanism (5) is used for pushing the screw threads (2) on the linkage columns (45) towards the opening of the material storage box (1), meanwhile, the screw threads (2) on the linkage columns (45) extrude the linkage columns (45) and enable the rotating plates (42) to rotate, and the blocking columns (44) rotate to enable the next screw thread (2) to move to the linkage columns (45).

3. A hand-held reinforcement binding tool according to claim 1, wherein: the pushing mechanism (5) comprises a pushing plate (51) connected in the cavity (1112) in a sliding mode and a pushing block (52) fixed on the surface, away from the outer layer (112), of the pushing plate (51), the pushing block (52) is located at one end, close to the opening of the material storage box (1), of the pushing plate (51), a moving hole (62) is formed in the surface, away from the inner layer (111), of the outer layer (112), and the handle (6) is fixed with the pushing plate (51) through the moving hole (62);

the position, which is far away from one end of the pushing plate (51) and close to the sliding plate (31), of the pushing block (52) is arranged in an arc shape, the arc-shaped position of the pushing block (52) can jack up the stress part (21) of the screw thread (2) and penetrate through the stress part (21), and the pushing block (52) is enabled to move from one side, which is close to the opening of the material storage box (1), of the screw thread (2) to one side, which is far away from the opening of the material storage box (1), of the screw thread (2).

4. A hand-held rebar tying tool according to claim 3, wherein: the surface of the outer layer (112) departing from the inner layer (111) protrudes towards the outside to form an outer rail (1121), a buckle plate (61) is fixed on the handle (6), the buckle plate (61) is buckled on the outer wall of the outer rail (1121) to slide, and the outer rail (1121) is clamped between the buckle plate (61) and the pushing plate (51).

5. A hand-held rebar tying tool according to claim 3, wherein: the push plate (51) is close to one end of the opening of the material storage box (1) and is fixedly provided with a limiting plate (511), the inner wall of the feeding shell (11) is fixedly provided with a limiting block (512) at the position of the opening of the material storage box (1), and when the limiting plate (511) moves to abut against the limiting block (512), the hook sleeve part (23) and the hook part (24) are fixed.

6. A hand-held reinforcement binding tool according to claim 1, wherein: the guide mechanism (7) comprises a first guide column (71) and a second guide column (72), the first guide column (71) and the second guide column (72) are fixedly arranged at the position, located at the opening of the material storage box (1), of the feeding shell (11), guide grooves (711) are formed in the side walls, opposite to each other, of the first guide column (71) and the second guide column (72), and the guide grooves (711) are arranged towards the opening of one end inside the material storage box (1);

the inner side walls, opposite to each other, of the two guide grooves (711) are S-shaped, the parts, close to the opening of the material storage box (1), of the inner side walls, opposite to each other, of the two guide grooves (711) are close to each other, the parts, far away from the opening of the material storage box (1), of the inner side walls, opposite to each other, of the two guide grooves (711) are far away from each other, and the inner wall, far away from the opening of the material storage box (1), of the guide grooves (711) and the inner wall of the S-shaped inner wall are the same;

one end of the hook sleeve part (23) far away from the stress part (21) is annular, one end of the bent hook part (24) far away from the stress part (21) is hook-shaped, and the hook end of the bent hook part (24) is inserted into the annular end of the hook sleeve part (23).

7. A hand-held reinforcement binding tool according to claim 6, wherein: the stress part (21), the winding part (22), the hook sleeve part (23) and the hook part (24) are all integrally formed, the screw thread (2) is formed by bending a metal wire, and the hook end of the hook part (24) is the two ends of the metal wire;

a fixing block (712) is fixedly arranged in a guide groove (711) on the first guide post (71), the fixing block (712) is fixed at the concave position of the guide groove (711), a tightening hole (713) is obliquely formed on the surface of the fixing block (712) facing the opening of the material storage box (1), the tightening hole (713) is arranged facing the opening of one side of the second guide post (72), retaining strips (714) are fixedly arranged on the side walls of the fixing block (712) facing the guide posts, and a distance is reserved between the two retaining strips (714); two opposite inner side walls of the guide groove (711) on the second guide column (72) are respectively and fixedly provided with a limiting strip (721), and a distance is reserved between the two limiting strips (721).

8. A hand-held reinforcement binding tool according to claim 1, wherein: the screwing and unlocking mechanism (8) comprises a lifting spring (81), a screw rod (82), a guide sleeve (83), a ball (84), an accommodating box (85), a rotating hook (86) and a reset assembly (87), one end of the lifting spring (81) is fixed at one end, away from the opening of the material storage box (1), in the winding shell (12), the other end of the lifting spring is fixed with one end, away from the opening of the material storage box (1), of the screw rod (82), the other end of the screw rod (82) extends out of the opening of the material storage box (1) and is fixed with the accommodating box (85), and the rotating hook (86) is rotatably connected at one end, away from the lifting spring (81), of the accommodating box (85);

the guide sleeve (83) is fixed in the coiling shell (12), the screw rod (82) penetrates through the guide sleeve (83), the spiral outer edge of the screw rod (82) is abutted with the circumferential inner side wall of the guide sleeve (83), the ball (84) is connected in the guide sleeve (83) in a rolling mode, and the outer surface of the ball (84) is abutted with the spiral surface of the screw rod (82);

after the hook sleeve part (23) and the hook part (24) are mutually close to each other, bent and fixed, the rotating hook (86) is positioned inside the screw thread (2), and the stress part (21) is positioned on one side of the rotating hook (86) departing from the steel bar; the reset component (87) is positioned in the accommodating box (85), and the reset component (87) is used for keeping the rotating hook (86) hooked on the stressed part (21) when the stressed part (21) is pulled to rotate along with the accommodating box (85); when the stress part (21) is separated from the rotating hook (86), the rotating hook (86) rotates along the axis of the rotating hook, and the reset component (87) is also used for resetting the rotating hook (86) after the rotating hook rotates.

9. A hand-held rebar tying tool according to claim 8, wherein: the reset assembly (87) comprises a limit spring (871), a top block (872), a reset spring (873) and a reset hook (874), wherein one end of the limit spring (871) close to the screw rod (82) is fixed in the accommodating box (85), one end of the limit spring (871) far away from the screw rod (82) is fixed with the top block (872), a groove (861) is formed in the rotating hook (86), the top block (872) is tightly ejected in the groove (861) by the limit spring (871), and the hook ends of the groove (861) and the rotating hook (86) are respectively positioned at two sides of the rotating hook (86) opposite to the rotating axis of the rotating hook (86);

a tongue groove (862) is formed in the rotating hook (86), the reset hook (874) rotates in the tongue groove (862), the reset hook (874) and the rotating hook (86) are the same rotating shaft, one end of the reset spring (873) close to the opening of the storage box (1) is hung in the accommodating box (85), the other end of the reset spring (873) is hung on the reset hook (874), and the hook end of the reset hook (874) is located below the hook end of the rotating hook (86) and protrudes out of the tongue groove (862); when the rotating hook (86) is separated from the force bearing part (21), the rotating hook (86) is pressed on the reset hook (874) to rotate together; after the rotating hook (86) is separated from the force receiving part (21), the reset hook (874) pushes the rotating hook (86) to rotate and reset.