CN110984586B

CN110984586B - Reinforcing steel bar binding device for building reinforced concrete

Info

Publication number: CN110984586B
Application number: CN201911153439.7A
Authority: CN
Inventors: 不公告发明人
Original assignee: Anhui Gui'an Construction And Installation Co ltd
Current assignee: Anhui Gui'an Construction And Installation Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2021-09-03
Anticipated expiration: 2039-11-22
Also published as: CN110984586A

Abstract

The invention belongs to the technical field of steel bar binding, and particularly relates to a steel bar binding device for building reinforced concrete, which comprises a shell, a triggering square block, an arc-shaped expansion plate, a binding turntable and a clamping mechanism, wherein the steel bar binding device is designed by driving an adjusting plate and the triggering square block to slide in the using process, firstly, the two binding semicircular disks are combined through the adjusting plate, and then the triggering square block is controlled to move to control a steel wire to wind; the invention utilizes the arm or body to press the binding device to drive the triggering square block to move relative to the shell to control the two arc-shaped expansion plates to contract, drives the binding turntable to rotate, and finally finishes the cross winding of the steel wires.

Description

Reinforcing steel bar binding device for building reinforced concrete

Technical Field

The invention belongs to the technical field of steel bar binding, and particularly relates to a steel bar binding device for building reinforced concrete.

Background

At present, with the rapid advance of the urbanization process, the country needs to build more and more large buildings such as high-rise buildings, railways, nuclear power stations and the like. When a large building is built, a reinforced concrete structure is inevitably needed, and the reinforced concrete structure is used as a main frame of the building and can provide a main supporting function for the building. Before a reinforced concrete structure is formed, a plurality of steel bars are bound into a steel bar framework to form a large-diameter steel bar mesh.

The existing binding mode of the construction steel bar is divided into manual work and special equipment:

1. the artificial mode twines the iron wire on the reinforcing bar, later presss from both sides the both ends of tight iron wire with the pliers, directly rotates the pliers with the hand and rotates, perhaps hooks the rotatory hook in steel wire both ends with the hook, accomplishes the fixed to the reinforcing bar, and it is very low to bind efficiency purely artificial mode, and is harder, long-time after using, the forearm can serious ache.

2. The special equipment is divided into electric drive and manual drive by the presence or absence of a motor; the electrically driven equipment is simple to operate and saves labor, but needs an external power supply or a battery, is inconvenient to use and has higher cost; manually driven devices require the use of arm or wrist force by a person, which can be fatigued for long periods of time.

Aiming at manual driving equipment, the labor-saving manual driving is realized by optimizing the steel wire binding structure, so that the electric driving equipment has the advantages of simplicity in operation and labor saving, and does not need a power supply or a battery.

The invention designs a reinforcing steel bar binding device for building reinforced concrete, which solves the problems.

Disclosure of Invention

In order to solve the defects in the prior art, the invention discloses a reinforcing steel bar binding device for building reinforced concrete, which is realized by adopting the following technical scheme.

The utility model provides a device is binded to reinforcing bar that building reinforced concrete was used which characterized in that: the device comprises a shell, a triggering square block, an arc-shaped expansion plate, a binding turntable and a clamping mechanism, wherein one end of the shell is provided with a handle convenient for manual operation; one end of the trigger block is provided with clamping grooves which are distributed obliquely, the other end of the trigger block is arranged in the shell in a sliding fit manner, and a return spring is arranged between the trigger block and the inner end surface of the shell; the reason why the clamping grooves on the trigger square are designed to be distributed obliquely is that when a steel wire is bound, two reinforcing steel bars to be bound are distributed in a cross-shaped staggered manner, the steel wire needs to go around staggered points of the two reinforcing steel bars, in order to ensure that the reinforcing steel bars contacting with the trigger square are stably contacted with the trigger square to drive the trigger square to move and prevent the reinforcing steel bars from structurally interfering with a sliding arc expansion plate and the like, the clamping grooves on the trigger square are designed to be distributed obliquely, after the trigger square is contacted with the reinforcing steel bars, the reinforcing steel bars which are vertically or transversely distributed are clamped on the trigger square through the obliquely distributed clamping grooves, at the moment, two binding semicircular discs at two ends of the fixed steel wire are distributed obliquely relative to the two reinforcing steel bars, and the two binding discs are bound by bypassing the staggered points of the two reinforcing steel bars through mesh holes at the staggered points of the two reinforcing steel bars; the reset spring is used for resetting the trigger block; the two arc-shaped expansion plates are symmetrically arranged on the shell, one ends of the arc-shaped expansion plates penetrate out of the shell, and the two arc-shaped expansion plates are in sliding fit with the shell; the trigger block is stressed to move, and the sliding of the two arc-shaped expansion plates is driven through the transmission of the gear and the rack; one end of the adjusting plate is provided with a sliding sleeve, the adjusting plate is arranged on the shell through the sliding fit of the sliding sleeve and the handle on the shell, and a first plate spring is arranged between the adjusting plate and the handle on the shell; the adjusting plate slides on the handle and drives the two arc-shaped telescopic plates to slide through the transmission of the rack and the gear.

The binding turntable is formed by combining two binding semicircular disks, and the two binding semicircular disks are respectively arranged on the two arc-shaped expansion plates; two binding semicircular discs are respectively provided with a clamping mechanism for fixing two ends of the steel wire; two ends of the bound steel wire are respectively fixed on the two binding semicircular discs through clamping mechanisms; when the steel wire is wound, the adjusting plate is controlled to slide upwards relative to the handle, and the two arc-shaped telescopic plates are controlled to slide so that the two binding semicircular disks are combined into a complete binding turntable; after the steel wire is combined into a complete binding turntable, the trigger block is controlled to move towards the inside of the shell, the two arc-shaped expansion plates are controlled to continuously slide, the two arc-shaped expansion plates are made to shrink automatically, the combined binding turntable is driven to rotate through the gear and the rack in the shrinking process, and the steel wire is wound.

As a further improvement of the technology, a U-shaped guide rail shell for providing a guiding function for the trigger block is installed in the shell, two symmetrically distributed guide chutes are formed on two inner side surfaces of the U-shaped guide rail shell, two guide sliders are symmetrically installed at one end, not provided with a clamping groove, of the trigger block, and one end, provided with the guide sliders, of the trigger block is installed in the U-shaped guide rail shell through the sliding fit of the two guide sliders and the two guide chutes; one end of the shell, which is not provided with the handle, is provided with a square opening for the triggering square block to slide out of the shell, and the square opening is aligned with the opening end of the U-shaped guide rail shell; the U-shaped guide rail shell plays a guiding role in sliding of the trigger square block, the trigger square block can be guaranteed not to slip with the U-shaped guide rail shell and the shell when reset through the matching of the two guide sliding blocks and the two guide sliding grooves, and the guide sliding grooves play a limiting role in triggering the square block.

As a further improvement of the technology, one end of the shell, which is not provided with the handle, is symmetrically provided with two guide ports; the arc-shaped expansion plate consists of an expansion outer sleeve, an expansion inner plate and a compression spring; two guide grooves are formed in the cambered surfaces on the two sides in the telescopic outer sleeve, two guide blocks are arranged on the cambered surfaces on the two sides of one end of the telescopic inner plate, which is provided with the guide blocks, is arranged in the telescopic outer sleeve through the sliding fit of the two guide blocks and the two guide grooves, and a compression spring is arranged between one end of the telescopic inner plate, which is positioned in the telescopic outer sleeve, and the inner end surface of the telescopic outer sleeve; the telescopic outer sleeves of the two arc-shaped telescopic plates are arranged in the shell in a sliding fit manner, and the telescopic inner plates of the two arc-shaped telescopic plates penetrate through two guide ports formed in the shell and are positioned outside the shell; the two binding semicircular discs are respectively arranged on the two telescopic inner plates of the two arc-shaped telescopic plates, the compression spring designed by the invention has certain pre-pressure, in the process of driving the adjusting plate to slide and control the two arc-shaped telescopic plates to slide, the external force of the telescopic inner plates, which is applied to the telescopic inner plates and enables the telescopic inner plates to slide towards the telescopic outer sleeves, is smaller than the pre-pressure of the compression spring, and in this state, the arc-shaped telescopic plates cannot be contracted; in the sliding process of the two arc-shaped expansion plates, the expansion outer sleeve drives the corresponding expansion inner plate to slide through the compression spring; in the process of the square moving into the shell in the driving triggering process, two binding semicircular disks installed on the two telescopic inner plates are combined into a whole binding turntable, the two binding semicircular disks are mutually limited and are in a relative static state, the two telescopic inner plates are static, under the state, the two arc-shaped telescopic plates driven by the square to slide can enable the telescopic jackets of the two arc-shaped telescopic plates to slide relative to the telescopic inner plates, and under the state, the compression spring is compressed.

As a further improvement of the technology, the two binding semicircular disks are mounted on the corresponding telescopic inner plates through connecting blocks, semicircular rods, semicircular ring sleeves, supporting semicircular disks and semicircular shafts, wherein one end of each connecting block is fixedly mounted on the corresponding telescopic inner plate, one end of each semicircular rod is fixedly mounted at the other end of each connecting block, and the other end of each semicircular rod is provided with the corresponding supporting semicircular disk; the semi-circular ring sleeve is arranged on the supporting semi-circular ring in a rotating fit manner; the semicircular shaft is fixedly arranged on the semicircular sleeve; the binding semicircular disc is fixedly arranged on the semicircular shaft.

After the two binding semicircular disks are combined, the two semicircular rods are combined into a complete circular rod, the two semicircular sleeves are combined into a complete annular sleeve, the two supporting semicircular disks are combined into a complete supporting circular disk, and the two semicircular shafts are combined into a complete circular shaft; the combined annular sleeve is in running fit with the combined supporting disk.

After two semicircle poles, two semicircle ring covers, two support half-disks and two semicircle shafts merge, under two semicircle pole spacing, the installation relation of the structure after the mergence can be equivalent to: the combined supporting disc is fixedly arranged on the combined circular rod, the combined annular sleeve is arranged on the combined supporting disc through rotating fit, one end of the combined circular shaft is fixedly arranged on the combined annular sleeve, and the combined binding turntable is arranged on the combined circular shaft; under the equivalent installation relation, when the annular sleeve rotates, the annular sleeve can drive the binding turntable to rotate through the circular shaft.

As a further improvement of the technology, the two binding semicircular disks are respectively provided with an installation circular groove, the clamping mechanism comprises a triangular claw, an adjusting ring, a spring installation disk, a return spring and an installation circular disk, wherein the inner circular surface of the adjusting ring is an inverted conical surface, the adjusting ring is fixedly installed in the corresponding installation circular groove, the installation circular disk is installed at the upper end of the spring installation disk, three trapezoidal guide grooves are axially and uniformly formed in the upper end surface of the installation circular disk, and the spring installation disk is installed in the corresponding installation circular groove in a sliding fit manner and is positioned at the lower side of the corresponding adjusting ring; a return spring is arranged between the spring mounting disc and the inner end face of the corresponding mounting circular groove; the outer side surface of the triangular claw is a conical surface, and the inner side surface of the triangular claw is a round surface; the lower end of each triangular claw is provided with a trapezoidal guide block, the three triangular claws are arranged on the mounting disc through the sliding fit of the trapezoidal guide blocks arranged on the three triangular claws and the three trapezoidal guide grooves, the three triangular claws form a complete conical column after being combined, and the outer conical surfaces of the three triangular claws are in extrusion fit with the inner side surface of the adjusting ring.

The return spring designed by the invention has pre-pressure, in an initial state, the outer side surfaces of three triangular claws arranged on the mounting disc are tightly attached to the inner conical surface of the adjusting ring through the pre-pressure of the return spring, the inner side surfaces of the three triangular claws are tightly attached together, and gaps among the inner side surfaces of the three triangular claws are small; before the device is used, the two ends of a steel wire are inserted into two clamping mechanisms on two binding semicircles, when the steel wire is inserted, three triangular claws are pushed inwards through the steel wire, the three triangular claws drive an installation disc to move inwards, and the installation disc compresses a return spring through a spring installation disc; the three triangular claws move inwards to leave gaps between the outer side surfaces of the three triangular claws and the inner conical surface of the adjusting ring, and the gaps between the inner side surfaces of the three triangular claws are continuously expanded through steel wires until the steel wires are inserted; after the steel wire is inserted, the three triangular claws arranged on the mounting disc move upwards through the elastic force of the return spring, the inner side surfaces of the three triangular claws tightly clamp the steel wire, and the larger the pulling-out force of the steel wire is, the larger the clamping force of the steel wire by the three triangular claws is; in the process of binding the steel wires, the distance between the two ends of the steel wires and the binding semicircular disc is gradually increased along with the mutual winding of the steel wires, and finally the two ends of the steel wires are separated.

As a further improvement of the technology, the telescopic outer sleeves of the two arc-shaped telescopic plates are respectively provided with an arc-shaped rack, one ends of the telescopic inner plates of the two arc-shaped telescopic plates, which are far away from the telescopic outer sleeves, are respectively provided with a second supporting rotating shaft, one ends of the two second supporting rotating shafts are respectively provided with a sixth gear, and the two sixth gears are respectively meshed with the arc-shaped racks on the same side; the two fifth gears are respectively arranged at the other ends of the two supporting rotating shafts and are respectively fixedly connected with the coaxial sixth gear through a first connecting shaft sleeve; the two first supporting rotating shafts are respectively and fixedly connected with the second supporting rotating shaft on the same side through a connecting fixing block; the two fourth gears are respectively arranged at one end of the two first supporting rotating shafts and are respectively meshed with the fifth gears at the same side; the two third gears are respectively arranged at the other ends of the two first supporting rotating shafts and are respectively fixedly connected with a fourth gear at the same side through a second connecting shaft sleeve; a semicircular driving gear is respectively arranged on the two semicircular shafts; after the two binding semicircular disks are combined, the two semicircular driving gears are combined into a complete driving gear, and the combined driving gear is meshed with the two third gears; the two arc-shaped racks are distributed on the two arc-shaped expansion plates in a vertically staggered manner.

When the telescopic outer sleeve slides relative to the telescopic inner plate, the telescopic outer sleeve can drive the corresponding arc-shaped rack to slide, the arc-shaped rack slides to drive the corresponding sixth gear installed on the telescopic inner plate through the second supporting rotating shaft to rotate, the sixth gear rotates to drive the fifth gear to rotate through the corresponding first connecting shaft sleeve, the fifth gear rotates to drive the corresponding fourth gear to rotate, and the fourth gear rotates to drive the third gear to rotate through the corresponding second connecting shaft sleeve; the two third gears can drive the driving gears combined by the two semicircular driving gears to rotate when rotating; according to the invention, the two arc-shaped racks are distributed on the two arc-shaped expansion plates in a vertically staggered manner, so that the two third gears which are transmitted cannot interfere with the combined driving gear in the rotating direction. In the method for processing the semicircular driving gear, preferably, a complete driving gear is processed firstly, then the middle of the driving gear is cut, and two semicircular driving gears are arranged at corresponding positions.

As a further improvement of the technology, the two guide chutes formed on the U-shaped guide rail shell are respectively provided with a square through hole, and one end of the shell body, which is provided with the handle, is provided with two through square holes which are symmetrically distributed;

the two mounting rotating shafts are symmetrically arranged in the shell, the structures arranged on the two mounting rotating shafts and the matching structures of the mounting structures are completely the same, for the structure on one side of any one mounting rotating shaft, the second gear is arranged on the mounting rotating shaft through a two-way overrunning clutch, and the first gear and the seventh gear are respectively arranged at two ends of the fixed rotating shaft through a one-way clutch; one end of a first connecting rod is fixedly arranged on the trigger square block, the other end of the first connecting rod penetrates through the corresponding square through hole to be positioned outside the U-shaped guide rail shell, and one end of a first transmission rack is fixedly arranged at one end of the first connecting rod, which is positioned outside the U-shaped guide rail shell; the first transmission rack is meshed with the first gear; one end of the adjusting pull rod is fixedly arranged on the adjusting plate, the other end of the adjusting pull rod penetrates through the corresponding square hole to be positioned in the shell, and one end of the second transmission rack is fixedly arranged at one end of the adjusting pull rod, which is positioned in the shell, through the second connecting rod; the second transmission gear is meshed with the seventh gear; one end of the guide rod is fixedly arranged on the inner wall of the shell, the upper end of the adjusting rod is provided with a reset inclined plane, and the lower end of the adjusting rod is provided with a triangular limiting block; the adjusting rod is provided with a guide hole and is arranged in the shell in a sliding fit manner through the guide hole and the guide rod; a second plate spring is arranged between the adjusting rod and the shell, one end of the second plate spring is fixedly arranged on the adjusting rod, and the other end of the second plate spring is fixedly arranged on the inner wall of the shell through a fixing block; the clamping block is arranged on the first transmission rack and matched with the limiting block; the reset inclined plane at the upper end of the adjusting rod is in extrusion fit with the second transmission rack; in an initial state, the fixture block is positioned at the lower side of the limiting block and is in contact fit with the triangular inclined plane on the limiting block; the upper end of the adjusting rod is in contact fit with the side face of the second transmission rack, and the second plate spring is compressed.

And an elastic rope is respectively arranged between the two telescopic inner plates of the arc-shaped telescopic plate and the shell.

When the trigger block is pressed to slide inwards relative to the shell, the trigger block can drive the two first connecting rods to slide, the two first connecting rods drive the two first transmission racks to slide, the two first transmission racks slide to drive the two first gears to rotate, the two first gears rotate to drive the two installation rotating shafts to rotate, the two installation rotating shafts rotate to drive the two second gears to rotate through the two-way overrunning clutch, and the two second gears rotate to drive the two arc-shaped expansion plates to slide. When the adjusting plate is driven to slide on the handle, the adjusting plate can drive the two adjusting pull rods to move, the two adjusting pull rods move to drive the two second connecting rods to move, the two second connecting rods move to drive the two second transmission racks to move, the two second transmission racks slide to drive the two seventh gears to rotate, the two seventh gears rotate to drive the two installation rotating shafts to rotate, the two installation rotating shafts rotate to drive the two second gears to rotate through the bidirectional overrunning clutch, and the two second gears rotate to drive the two arc-shaped expansion plates to slide.

In order to ensure that the two arc-shaped expansion plates are controlled to integrally slide through the sliding of the driving adjusting plate in the using process, the two binding semicircular disks arranged on the two arc-shaped expansion plates are combined into a complete binding turntable, then the two arc-shaped expansion plates are controlled to contract through the movement of the driving triggering square block in the shell, and the binding turntable is driven to rotate, so that the second transmission rack can drive the second gear to rotate through the seventh gear preferentially, and after the transmission of the second transmission rack is finished, the first transmission rack starts to drive the second gear to rotate through the first gear; in order to realize the function, the adjusting rod is arranged between the first transmission rack and the second transmission rack. When the trigger block is not operated according to the process, the adjusting rod has certain resistance to the clamping block when the trigger block is pressed, namely resistance is generated to the movement of the trigger block, if the trigger block is forcibly pressed, the binding action can be executed, but the trigger block is pressed to overcome the resistance of the adjusting rod, and the user is prompted to have an error in the using method through the resistance; when the operation is carried out according to the process, when the trigger block needs to be pressed, the resistance of the adjusting rod to the clamping block is eliminated, and the binding action can be smoothly carried out. The specific structure transmission during operation is described as follows according to whether the process operation is carried out or not:

when the device operates according to the correct mode, the adjusting plate is driven to slide firstly, the second transmission rack drives the second gear to rotate, the adjusting rod is always pressed on the side face of the second transmission rack before the second transmission rack rises to the top end, the triggering inclined face of the lower end of the limiting block on the adjusting rod is always located on the upper side of the clamping block, and if the first transmission rack moves upwards under the action of the triggering square block at the moment, the clamping block is hindered by the triggering inclined face of the lower end. In addition, in the process that the second transmission rack rises to the top end, the seventh gear rotates to drive the installation rotating shaft to rotate, and because the first gear is installed on the installation rotating shaft through the one-way clutch and the first gear needs to overcome the pre-pressure of the return spring along with the rotation direction of the installation rotating shaft, the rotation of the installation rotating shaft cannot drive the first gear, namely, the first transmission rack and the trigger block cannot be driven to move. When the adjusting plate is driven, the second transmission rack rises to the top end, the adjusting rod is not matched with the side face of the second transmission rack, the adjusting rod slides along the guide rod under the action of the second plate spring, the adjusting rod slides to drive the limiting block to slide, after the adjusting rod slides, the trigger inclined plane at the upper end of the adjusting rod is just in contact fit with the lower end of the second transmission rack, and the upper end of a fixture block arranged on the first transmission rack is not opposite to the trigger inclined plane at the lower end of the limiting block. When the operation is carried out according to the correct steps, the pressure is applied to the shell on the next step, so that the trigger square block moves inwards relative to the shell, the trigger square block moves inwards at the moment without the resistance of the trigger inclined surface at the lower end of the limiting block to the clamping block, and the trigger square block moves smoothly. Therefore, the correct steps are installed for operation, and the binding action can be smoothly executed.

When not according to above-mentioned correct mode operation earlier the casing of exerting pressure promptly makes to trigger the square and move inwards, press earlier and trigger the square and draw the regulating plate after also can bind the reinforcing bar, only when pressing earlier and trigger the square, the fixture block on the first transmission rack can extrude the trigger inclined plane of adjusting the stopper lower extreme on the pole, under the effect of second leaf spring, it can reverse resistance of giving first transmission rack to adjust the pole, people are difficult for pressing and trigger the square, can feel and have certain resistance, but the fixture block on the first transmission rack still can cross the stopper and push away the regulation pole, the slip of drive arc expansion plate, but when not using according to correct operation order, it is harder.

No matter whether the operation is correct or not, the trigger inclined plane and the reset inclined plane at the upper end of the limiting block designed by the invention can ensure that the adjusting plate and the trigger block can be reset smoothly under the action of respective springs. The incorrect operation comprises that the trigger block is pressed first and then the adjusting plate is pressed, the adjusting plate is pressed first but the pressing is not thorough, when the pressing is not thorough, the trigger block, the adjusting plate and the trigger block are pressed alternately, the pressing does not reach the thorough state, and the like. In order to describe the structure in the process of convenient resetting, a resetting flow that the reference adjusting plate and the trigger block both reach the movement limit is described:

the reset process is divided into two reset processes according to the reset of the adjusting plate and the trigger block.

1. If people are pulling the regulating plate all the time, then the regulating plate just can not slide, second transmission rack is spacing by the hand promptly, remove the application of pressure to the casing this moment, first transmission rack can at first reset the removal under reset spring's effect so, reset the in-process fixture block at first transmission rack and not cooperate with the stopper, loosen the regulating plate after reseing, the regulating plate resets under the effect of first leaf spring, second transmission rack resets promptly, second transmission rack resets and makes the regulation pole move back and reset through triggering inclined plane extrusion regulation pole, the second leaf spring is compressed, the stopper is spacing to first transmission rack once more.

2. If people loosen the adjusting plate and keep pressing the shell, the adjusting plate can reset firstly under the action of the first plate spring, namely the second transmission rack resets, the adjusting rod is extruded by the trigger inclined plane to enable the adjusting rod to move back and reset, and the second plate spring is compressed; later first drive rack resets under reset spring's effect and removes, but because of second drive rack can make the regulation pole at first resume initial position at the in-process that resets, so at the in-process that first drive rack removed downwards, the fixture block of the lower extreme installation of first drive rack will with adjust the upper end on the stopper of installing and trigger the inclined plane and contact, and then the extrusion is adjusted the pole, make and adjust the pole and continue the lapse, the second leaf spring continues the compression, after the fixture block removed the lower side of stopper completely, adjust the pole and can resume again on the initial position.

Under the action of the bidirectional overrunning clutch, the two arc-shaped expansion plates cannot interfere with the installation rotating shaft in the process that the corresponding elastic ropes drive the two arc-shaped expansion plates to reset, namely the resetting of the arc-shaped expansion plates and the resetting of the adjusting rod, the first transmission rack and the second transmission rack cannot interfere; the function of the adjusting rod designed by the invention only plays a warning role for a user.

When the arc-shaped expansion plate is reset, the number of resetting circles of the second gear is greater than that of resetting circles of the mounting rotating shaft, so that the bidirectional overrunning clutch is designed to ensure the normal operation of the structure. The bidirectional overrunning clutch adopts a conventional bidirectional overrunning clutch consisting of a cam, a cylindrical pin and an outer ring, when the cam of the clutch drives the outer ring to rotate, the outer ring of the cam presses the cylindrical pin, the cylindrical pin cannot rotate when the cylindrical pin is pressed, but when the outer ring needs to reversely overrun the cam, the cam needs to reversely move relative to the outer ring, and the pressing on the cylindrical pin is released. In the process of resetting of the bidirectional overrunning clutch, if the number of the second gear rings is larger than the number of turns of the mounting rotating shaft during resetting, namely the reverse overrunning function is realized, the mounting rotating shaft reversely rotates relative to the second gear along the reverse direction of the working direction of the mounting rotating shaft during resetting so as to relieve the driving force of the mounting rotating shaft on the second gear.

As a further improvement of the technology, a second magnetic block is arranged at the middle position on the outer circular surface of each binding semicircular disc, and a first magnetic block is arranged on each telescopic inner plate; the magnetism of one ends of the two first magnetic blocks, which are matched with the two second magnetic blocks, is opposite, and the magnetism of one ends of the two second magnetic blocks, which are exposed out of the binding semicircular disc, is opposite; in an initial state, the two first magnetic blocks and the corresponding matched second magnetic blocks are attracted; the two binding semicircular disks are ensured to be just opposite to each other in the initial state under the action of the two first magnetic blocks and the second magnetic blocks, and after the two binding semicircular disks are combined and wound on a steel wire, the two binding semicircular disks can automatically rotate and reset to the initial state under the action of attraction and repulsion of the two first magnetic blocks and the second magnetic blocks; in order to further more reliably ensure the positions of the two binding semicircular disks in the initial state, as a further improvement, the two arc-shaped racks and the corresponding sixth gear are always in a meshed state.

As a further improvement of the technology, two groups of guide supports are symmetrically arranged in the shell, and eight guide supports in the two groups of guide supports respectively play a role in guiding the two first transmission racks and the two second transmission racks.

As a further improvement of the technology, the upper ends of the inner side surfaces of the three triangular claws are provided with round corners which are convenient for inserting steel wires.

The gap between the binding turntable and the shell in the initial state can ensure that the steel wire can be smoothly inserted into the clamping mechanism.

Compared with the traditional steel bar binding technology, the steel bar binding device has the following beneficial effects:

1. when the steel bar binding device is used, the two ends of the steel wire are inserted into the two clamping mechanisms on the two binding semicircles; then tightly hold two arc expansion plates of drive regulating plate sliding control and wholly slide through the palm for install two on two arc expansion plates and bind the semicircle dish and merge into a complete carousel of binding, utilize arm or health to push down at last and bind the device and then drive trigger the square for with the casing to two arc expansion plates of casing internal motion control shrink, the carousel rotation is bound in the drive, convenient operation is laborsaving, do not need the manual work to twine the steel wire through pliers or binding the device specially, the strength has been saved.

2. The steel bar binding device is completed by driving the adjusting plate and the triggering square block to slide in the using process, firstly, the two binding semicircular disks are combined through the adjusting plate, and then the triggering square block is controlled to move to control the steel wire to wind; the adjusting plate is driven by the palm, so that the back of the steel bar is pressed by the ground in the process of recombining the two binding semicircular disks due to the undersize gap in the process, and the two arc-shaped expansion plates cannot deform when the two binding semicircular disks are pressed by the ground due to the sensitive touch of the palm; if too much pressure is felt, this indicates that the device is not suitable for use here.

3. The invention utilizes the arm or body to press the binding device to drive the triggering square block to move relative to the shell to control the two arc-shaped expansion plates to contract, drives the binding turntable to rotate, and finally finishes the cross winding of the steel wires.

Drawings

Fig. 1 is an external view of an entire part.

Fig. 2 is a schematic view of the housing structure.

Fig. 3 is a schematic view of the binding turntable installation.

Fig. 4 is a schematic diagram of trigger block installation.

FIG. 5 is a schematic diagram of a trigger block structure.

FIG. 6 is a schematic view of a scroll spring installation.

Fig. 7 is a schematic view of the first and second drive rack profiles.

FIG. 8 is a schematic view of the mating of the first drive rack and the second drive rack.

Fig. 9 is a schematic view of the binding half disc installation.

Figure 10 is a semi-circular drive gear installation schematic.

Fig. 11 is a schematic view of the chucking mechanism installation.

Fig. 12 is a schematic view of the chucking mechanism.

Fig. 13 is a schematic view of a triangular claw structure.

Fig. 14 is a schematic view of a wire insertion angle.

Fig. 15 is a schematic view of the working principle of the adjusting lever.

Fig. 16 is a schematic diagram of the operating principle of the adjusting lever.

Number designation in the figures: 1. a housing; 2. triggering a square block; 3. an arc-shaped expansion plate; 4. binding the turntable; 5. a chucking mechanism; 6. a handle; 7. a U-shaped guide rail housing; 8. a square opening; 9. a guide port; 10. a square through hole; 11. a guide chute; 12. a return spring; 13. a card slot; 14. a guide slider; 15. a first connecting rod; 16. a guide support; 17. a first drive rack; 18. a first magnetic block; 19. installing a rotating shaft; 20. a first gear; 21. a second gear; 22. a telescopic outer sleeve; 23. a telescopic inner plate; 24. an arc-shaped rack; 25. connecting blocks; 26. a guide block; 27. a guide groove; 28. a compression spring; 29. a third gear; 30. a fourth gear; 31. connecting a fixed block; 32. a fifth gear; 33. a first connecting sleeve; 34. a sixth gear; 35. a first support shaft; 36. a second support shaft; 37. a semi-circular rod; 38. a semi-circular ring sleeve; 39. a second magnetic block; 40. a semicircular driving gear; 41. binding the semicircular disc; 42. a semi-circular shaft; 43. a support half-round disc; 44. a triangular claw; 45. an adjusting ring; 46. a spring mounting plate; 47. a return spring; 48. installing a circular groove; 49. a trapezoidal guide block; 50. a trapezoidal guide groove; 51. installing a disc; 52. round corners; 53. an adjusting plate; 54. a first plate spring; 55. a sliding sleeve; 56. a square hole; 57. adjusting the pull rod; 58. a one-way clutch; 59. a bi-directional overrunning clutch; 60. a seventh gear; 61. a second plate spring; 62. a fixed block; 63. a guide bar; 64. a second connecting rod; 65. a second drive rack; 66. a clamping block; 67. adjusting a rod; 68. resetting the inclined plane; 70. a limiting block; 71. an elastic cord; 72. a guide hole; 73. a second connecting shaft sleeve; 74. and (5) round surface.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 3, the device comprises a shell 1, a trigger block 2, an arc-shaped expansion plate 3, a binding turntable 4 and a clamping mechanism 5, wherein as shown in fig. 2, one end of the shell 1 is provided with a handle 6 convenient for manual operation; as shown in fig. 5, one end of the trigger block 2 is provided with clamping grooves 13 distributed obliquely, as shown in fig. 4, the other end of the trigger block 2 is installed in the housing 1 through sliding fit, and a return spring 12 is installed between the trigger block 2 and the inner end surface of the housing 1; the reason why the clamping grooves 13 on the triggering square 2 are designed to be distributed obliquely in the invention is that when the steel wires are bound, because two steel bars needing to be bound are distributed in a crisscross manner, the steel wire needs to go around the crossing point of the two steel bars, in order to ensure that the steel bars contacting with the trigger block 2 stably contact with the trigger block 2 to drive the trigger block 2 to move and prevent the steel bars from interfering with structures such as the sliding arc-shaped expansion plate 3, therefore, the clamping grooves 13 on the triggering block 2 are designed to be distributed obliquely, and after the triggering block 2 is contacted with the steel bar, the vertically or horizontally distributed steel bars are clamped on the triggering square 2 through the clamping grooves 13 which are distributed obliquely, at the moment, the two binding semicircular discs 41 at the two ends of the fixed steel wire are obliquely distributed relative to the two steel bars, and the two binding semicircular discs 41 bypass the staggered points of the two steel bars through mesh holes at the staggered points of the two steel bars to bind; the reset spring 12 is used for resetting the trigger block 2; the two arc-shaped expansion plates 3 are symmetrically arranged on the shell 1, one ends of the arc-shaped expansion plates 3 penetrate through the shell 1, and the two arc-shaped expansion plates 3 are in sliding fit with the shell 1; the trigger block 2 is stressed to move, and the two arc-shaped expansion plates 3 are driven to slide through the transmission of a gear and a rack; one end of the adjusting plate 53 is provided with a sliding sleeve 55, the adjusting plate 53 is installed on the shell 1 through the sliding fit of the sliding sleeve 55 and the handle 6 on the shell 1, and a first plate spring 54 is installed between the adjusting plate 53 and the handle 6 on the shell 1; the adjusting plate 53 slides on the handle 6, and the sliding of the two arc-shaped expansion plates 3 is driven through the transmission of a rack and a gear.

As shown in fig. 1 and 14, the binding turntable 4 is formed by combining two binding semicircular discs 41, and the two binding semicircular discs 41 are respectively installed on the two arc-shaped expansion plates 3; the two binding semicircular discs 41 are respectively provided with a clamping mechanism 5 for fixing two ends of the steel wire; two ends of the bound steel wire are respectively fixed on the two binding semicircular discs 41 through clamping mechanisms 5; when a steel wire is wound, the control adjusting plate 53 slides upwards relative to the handle 6, and the two arc-shaped telescopic plates 3 are controlled to slide, so that the two binding semicircular discs 41 are combined into a complete binding turntable 4; after the combined complete binding turntable 4 is formed, the trigger block 2 is controlled to move towards the inside of the shell 1, and the two arc-shaped expansion plates 3 are controlled to continuously slide, so that the two arc-shaped expansion plates 3 are self-contracted, the combined binding turntable 4 is driven to rotate through the gear and the rack in the contraction process, and a steel wire is wound.

As shown in fig. 1 and 5, a U-shaped guide rail housing 7 for guiding the trigger block 2 is installed in the housing 1, two guide chutes 11 symmetrically distributed are formed on two inner side surfaces of the U-shaped guide rail housing 7, two guide sliders 14 are symmetrically installed at one end of the trigger block 2, which is not provided with a clamping groove 13, and one end of the trigger block 2, which is provided with the guide sliders 14, is installed in the U-shaped guide rail housing 7 through the sliding fit of the two guide sliders 14 and the two guide chutes 11; one end of the shell 1, which is not provided with the handle 6, is provided with a square opening 8 for the trigger block 2 to slide out of the shell 1, and the square opening 8 is aligned with the open end of the U-shaped guide rail shell 7; u-shaped guide rail shell 7 plays the guide effect to triggering the slip of square 2, and can guarantee through two direction sliders 14 and two direction spout 11 cooperations that trigger square 2 can not slide with U-shaped guide rail shell 7 and casing 1 when reseing, and direction spout 11 plays limiting displacement to triggering square 2.

As shown in fig. 9, two guide openings 9 are symmetrically formed at one end of the housing 1 not having the handle 6; the arc-shaped expansion plate 3 consists of an expansion outer sleeve 22, an expansion inner plate 23 and a compression spring 28; two guide grooves 27 are formed in the arc surfaces on the two sides in the telescopic outer sleeve 22, two guide blocks 26 are arranged on the arc surfaces on the two sides of one end of the telescopic inner plate 23, which is provided with the guide blocks 26, is arranged in the telescopic outer sleeve 22 through the sliding fit of the two guide blocks 26 and the two guide grooves 27, and a compression spring 28 is arranged between one end of the telescopic inner plate 23, which is positioned in the telescopic outer sleeve 22, and the inner end surface of the telescopic outer sleeve 22; the telescopic outer sleeves 22 of the two arc-shaped telescopic plates 3 are arranged in the shell 1 in a sliding fit manner, as shown in fig. 1, the telescopic inner plates 23 of the two arc-shaped telescopic plates 3 penetrate through the two guide ports 9 formed in the shell 1 and are positioned outside the shell 1; the two binding semicircular discs 41 are respectively arranged on the two telescopic inner plates 23 of the two arc-shaped telescopic plates 3, the compression spring 28 designed by the invention has certain pre-pressure, in the process of driving the adjusting plate 53 to slide and control the two arc-shaped telescopic plates 3 to slide, the external force applied by the telescopic inner plates 23 to enable the telescopic inner plates 23 to slide towards the telescopic outer sleeve 22 is smaller than the pre-pressure of the compression spring 28, and in this state, the arc-shaped telescopic plates 3 cannot be contracted; in the sliding process of the two arc-shaped expansion plates 3, the expansion outer sleeve 22 drives the corresponding expansion inner plate 23 to slide through the compression spring 28; in the process of driving the trigger block 2 to move towards the shell 1, the two binding semicircular disks 41 arranged on the two telescopic inner plates 23 are combined into a whole binding turntable 4, the two binding semicircular disks are mutually limited and are in a relatively static state, the two telescopic inner plates 23 are static, in this state, the trigger block 2 drives the two arc-shaped telescopic plates 3 to slide, so that the telescopic outer sleeves 22 of the two arc-shaped telescopic plates 3 slide relative to the telescopic inner plates 23, and in this state, the compression springs 28 are compressed.

As shown in fig. 9 and 10, the two binding semicircular disks 41 are mounted on the corresponding telescopic inner plates 23 through the connecting blocks 25, the semicircular rods 37, the semicircular sleeves 38, the supporting semicircular disks 43 and the semicircular shafts 42, wherein one end of the connecting block 25 is fixedly mounted on the corresponding telescopic inner plate 23, one end of the semicircular rod 37 is fixedly mounted at the other end of the connecting block 25, and the other end of the semicircular rod 37 is mounted with the supporting semicircular disk 43; the semi-circular ring sleeve 38 is arranged on the support semi-circular ring through rotating fit; the semicircular shaft 42 is fixedly arranged on the semicircular sleeve 38; the binding semicircular disc 41 is fixedly installed on the semicircular shaft 42.

After the two binding semicircular disks 41 are combined, the two semicircular rods 37 are combined into a complete circular rod, the two semicircular sleeves 38 are combined into a complete annular sleeve, the two supporting semicircular disks 43 are combined into a complete supporting circular disk, and the two semicircular shafts 42 are combined into a complete circular shaft; the combined annular sleeve is in running fit with the combined supporting disk.

After the two semicircular rods 37, the two semicircular sleeves 38, the two supporting semicircular discs 43 and the two semicircular shafts 42 are combined, the installation relationship of the combined structure can be equivalent to that of the two semicircular rods 37 under the limit of the two semicircular rods 37: the combined supporting disc is fixedly arranged on the combined circular rod, the combined annular sleeve is arranged on the combined supporting disc through rotating fit, one end of the combined circular shaft is fixedly arranged on the combined annular sleeve, and the combined binding turntable 4 is arranged on the combined circular shaft; under the equivalent installation relation, when the annular sleeve rotates, the annular sleeve can drive the binding turntable 4 to rotate through the circular shaft.

As shown in fig. 11 and 12, the two binding semicircular discs 41 are respectively provided with a mounting circular groove 48, the chucking mechanism 5 includes a triangular claw 44, an adjusting ring 45, a spring mounting disc 46, a return spring 47, and a mounting circular disc 51, wherein an inner circular surface 74 of the adjusting ring 45 is an inverted conical surface, the adjusting ring 45 is fixedly mounted in the corresponding mounting circular groove 48, the mounting circular disc 51 is mounted at the upper end of the spring mounting disc 46, three trapezoidal guide grooves 50 are axially and uniformly formed on the upper end surface of the mounting circular disc 51, and the spring mounting disc 46 is mounted in the corresponding mounting circular groove 48 by sliding fit and is located at the lower side of the corresponding adjusting ring 45; a return spring 47 is arranged between the spring mounting disc 46 and the inner end surface of the corresponding mounting circular groove 48; as shown in fig. 13, the outer side surface of the triangular claw 44 is a tapered surface, and the inner side surface is a round surface 74; the lower end of the triangular claw 44 is provided with a trapezoidal guide block 49, as shown in fig. 12, the three triangular claws 44 are arranged on an installation disc 51 through the sliding fit of the trapezoidal guide block 49 arranged on the three triangular claws 44 and the three trapezoidal guide grooves 50, the three triangular claws 44 are combined to form a complete conical column, and the outer conical surfaces of the three triangular claws 44 are in press fit with the inner side surface of the adjusting ring 45.

The return spring 47 designed by the invention has pre-pressure, in an initial state, the outer side surfaces of the three triangular claws 44 arranged on the mounting disc 51 are tightly attached to the inner conical surface of the adjusting ring 45 through the pre-pressure of the return spring 47, the inner side surfaces of the three triangular claws 44 are tightly attached together, and gaps among the inner side surfaces of the three triangular claws 44 are small; before the device is used, two ends of a steel wire are inserted into two clamping mechanisms 5 on two binding semicircles, when the steel wire is inserted, three triangular claws 44 are pushed inwards through the steel wire, the three triangular claws 44 drive an installation disc 51 to move inwards, and the installation disc 51 compresses a return spring 47 through a spring installation disc 46; the three triangular claws 44 move inwards to leave gaps between the outer side surfaces of the three triangular claws 44 and the inner conical surface of the adjusting ring 45, and the gaps between the inner side surfaces of the three triangular claws 44 are continuously expanded through steel wires until the steel wires are inserted; after the steel wire is inserted, the three triangular claws 44 arranged on the mounting disc 51 move upwards through the elastic force of the return spring 47, the inner side surfaces of the three triangular claws 44 are tightly clamped, and the larger the pulling-out force of the steel wire is, the larger the force of clamping the steel wire by the three triangular claws 44 is; in the process of binding the steel wires, the distance between the two ends of the steel wires and the binding semicircular disc 41 is gradually increased along with the mutual winding of the steel wires, and finally the two ends of the steel wires are separated.

As shown in fig. 9, the outer telescopic sleeves 22 of the two arc-shaped telescopic plates 3 are respectively provided with an arc-shaped rack 24, one ends of the inner telescopic plates 23 of the two arc-shaped telescopic plates 3, which are far away from the outer telescopic sleeves 22, are respectively provided with a second supporting rotating shaft 36, one ends of the two second supporting rotating shafts 36 are respectively provided with a sixth gear 34, and the two sixth gears 34 are respectively engaged with the arc-shaped racks 24 on the same side; the two fifth gears 32 are respectively installed at the other ends of the two supporting rotating shafts, and the two fifth gears 32 are respectively fixedly connected with a coaxial sixth gear 34 through a first connecting shaft sleeve 33; the two first supporting rotating shafts 35 are respectively fixedly connected with the second supporting rotating shaft 36 on the same side through a connecting fixing block 31; the two fourth gears 30 are respectively installed at one end of the two first supporting rotating shafts 35, and the two fourth gears 30 are respectively meshed with the fifth gear 32 at the same side; the two third gears 29 are respectively installed at the other ends of the two first supporting rotating shafts 35, and the two third gears 29 are respectively fixedly connected with the fourth gear 30 on the same side through a second connecting shaft sleeve 73; a semicircular driving gear 40 is respectively arranged on the two semicircular shafts 42; after the two binding semicircular discs 41 are combined, the two semicircular driving gears 40 are combined into a complete driving gear, and the combined driving gear is meshed with the two third gears 29; the two arc-shaped racks 24 are distributed on the two arc-shaped expansion plates 3 in a vertically staggered manner.

When the telescopic outer sleeve 22 slides relative to the telescopic inner plate 23, the telescopic outer sleeve 22 can drive the corresponding arc-shaped rack 24 to slide, the arc-shaped rack 24 slides to drive the corresponding sixth gear 34 which is arranged on the telescopic inner plate 23 through the second supporting rotating shaft 36 to rotate, the sixth gear 34 rotates to drive the fifth gear 32 to rotate through the corresponding first connecting shaft sleeve 33, the fifth gear 32 rotates to drive the corresponding fourth gear 30 to rotate, and the fourth gear 30 rotates to drive the third gear 29 to rotate through the corresponding second connecting shaft sleeve 73; the rotation of the two third gears 29 drives the drive gears combined by the two semicircular drive gears 40 to rotate; according to the invention, the two arc-shaped racks 24 are distributed on the two arc-shaped expansion plates 3 in a vertically staggered manner, so that the two third gears 29 which are transmitted cannot interfere with the combined driving gear in the rotating direction. In the method for processing the semicircular driving gear 40 according to the present invention, it is preferable that a complete driving gear is processed first, and then the middle of the driving gear is cut open, and the two semicircular driving gears 40 are installed at corresponding positions.

As shown in fig. 5, two guide chutes 11 formed on the U-shaped guide rail housing 7 are respectively provided with a square through hole 10, and as shown in fig. 2, one end of the housing 1 having the handle 6 is provided with two through square holes 56 which are symmetrically distributed.

As shown in fig. 3 and 4, the two mounting shafts 19 are symmetrically mounted in the housing 1, the mounting structures and the matching structures of the mounting structures on the two mounting shafts 19 are completely the same, and for the structure on one side of any one of the mounting shafts 19, as shown in fig. 6, the second gear 21 is mounted on the mounting shaft 19 through a two-way overrunning clutch 59, and the first gear 20 and the seventh gear 60 are respectively mounted at two ends of the fixed shaft through a one-way clutch 58; one end of a first connecting rod 15 is fixedly arranged on the trigger block 2, the other end of the first connecting rod 15 passes through the corresponding square through hole 10 and is positioned outside the U-shaped guide rail shell 7, and one end of a first transmission rack 17 is fixedly arranged at one end of the first connecting rod 15, which is positioned outside the U-shaped guide rail shell 7; the first transmission rack 17 is meshed with the first gear 20; as shown in fig. 4 and 7, one end of the adjusting pull rod 57 is fixedly mounted on the adjusting plate 53, the other end of the adjusting pull rod 57 passes through the corresponding square hole 56 and is located in the housing 1, and one end of the second transmission rack 65 is fixedly mounted on one end of the adjusting pull rod 57 located in the housing 1 through the second connecting rod 64; the second transmission gear is meshed with a seventh gear 60; one end of the guide rod 63 is fixedly installed on the inner wall of the shell 1, as shown in fig. 7 and 8, the upper end of the adjusting rod 67 is provided with a reset inclined plane 68, and the lower end of the adjusting rod 67 is provided with a triangular limiting block 70; the adjusting rod 67 is provided with a guide hole 72, and the adjusting rod 67 is arranged in the shell 1 through the sliding fit of the guide hole 72 and the guide rod 63; a second plate spring 61 is arranged between the adjusting rod 67 and the shell 1, one end of the second plate spring 61 is fixedly arranged on the adjusting rod 67, and the other end of the second plate spring 61 is fixedly arranged on the inner wall of the shell 1 through a fixing block 62; the fixture block 66 is installed on the first transmission rack 17, and the fixture block 66 is matched with the limiting block 70; the reset inclined plane 68 at the upper end of the adjusting rod 67 is in extrusion fit with the second transmission rack 65; in the initial state, the fixture block 66 is located at the lower side of the limiting block 70 and is in contact fit with the triangular inclined surface on the limiting block 70; the upper end of the adjusting rod 67 is in contact fit with the side surface of the second transmission rack 65, and the second plate spring 61 is compressed.

As shown in fig. 1, an elastic cord 71 is installed between each of the two inner telescopic plates 23 of the arc-shaped telescopic plate 3 and the housing 1.

When the trigger block 2 is pressed to slide inwards relative to the shell 1, the trigger block 2 can drive the two first connecting rods 15 to slide, the two first connecting rods 15 drive the two first transmission racks 17 to slide, the two first transmission racks 17 slide to drive the two first gears 20 to rotate, the two first gears 20 rotate to drive the two installation rotating shafts 19 to rotate, the two installation rotating shafts 19 rotate to drive the two second gears 21 to rotate through the bidirectional overrunning clutch 59, and the two second gears 21 rotate to drive the two arc-shaped expansion plates 3 to slide. When the adjusting plate 53 is driven to slide on the handle 6, the adjusting plate 53 can drive the two adjusting pull rods 57 to move, the two adjusting pull rods 57 move to drive the two second connecting rods 64 to move, the two second connecting rods 64 move to drive the two second transmission racks 65 to move, the two second transmission racks 65 slide to drive the two seventh gears 60 to rotate, the two seventh gears 60 rotate to drive the two installation rotating shafts 19 to rotate, the two installation rotating shafts 19 rotate to drive the two second gears 21 to rotate through the bidirectional overrunning clutch 59, and the two second gears 21 rotate to drive the two arc-shaped expansion plates 3 to slide.

In order to ensure that the two arc-shaped expansion plates 3 are controlled to integrally slide by sliding the driving adjusting plate 53 in the using process, the two binding semicircular discs 41 arranged on the two arc-shaped expansion plates 3 are combined into a complete binding turntable 4, then the two arc-shaped expansion plates 3 are controlled to contract by moving the driving triggering square block 2 into the shell 1, and the binding turntable 4 is driven to rotate, so that the second transmission rack 65 can preferentially drive the second gear 21 to rotate through the seventh gear 60, and when the transmission of the second transmission rack 65 is finished, the first transmission rack 17 starts to drive the second gear 21 to rotate through the first gear 20; in order to achieve this function, the present invention provides an adjustment lever 67 between the first drive rack 17 and the second drive rack 65. When the operation is not carried out according to the process, when the trigger block 2 is pressed, the adjusting rod 67 has certain resistance to the clamping block 66, namely resistance is generated to the movement of the trigger block 2, if the trigger block 2 is forcibly pressed, the binding action can be executed, but the trigger block 2 is pressed to overcome the resistance of the adjusting rod 67, and the user is prompted to have an error in the using method through the resistance; when the above process is performed, when the trigger block 2 needs to be pressed, the resistance of the adjusting rod 67 to the block 66 is eliminated, and the binding action can be smoothly performed. The specific structure transmission during operation is described as follows according to whether the process operation is carried out or not:

when the operation is performed in the above-mentioned correct manner, as shown in a in fig. 15, the adjusting plate 53 is first driven to slide, the second transmission rack 65 drives the second gear 21 to rotate, the adjusting rod 67 is always pressed on the side surface of the second transmission rack 65 before the second transmission rack 65 rises to the top end, the trigger slope of the lower end of the limiting block 70 on the adjusting rod 67 is always located on the upper side of the latch 66, and if the first transmission rack 17 moves upwards under the action of the trigger block 2 at this time, the latch 66 is obstructed by the trigger slope of the lower end. In addition, in the process that the second transmission rack 65 rises to the top end, the seventh gear 60 rotates to drive the installation rotating shaft 19 to rotate, and because the first gear 20 is installed on the installation rotating shaft 19 through the one-way clutch 58 and the first gear needs to overcome the pre-pressure of the return spring along with the rotation direction of the installation rotating shaft 19, the rotation of the installation rotating shaft cannot drive the first gear 20, that is, cannot drive the first transmission rack 17 and the trigger block to move. When the adjusting plate 53 is driven, the second transmission rack 65 rises to the top end, the adjusting rod is not matched with the side surface of the second transmission rack any more, as shown in b in fig. 15, under the action of the second plate spring 61, the adjusting rod 67 slides along the guide rod 63, the adjusting rod 67 slides to drive the limiting block 70 to slide, after the adjusting rod 67 slides, the trigger inclined surface at the upper end of the adjusting rod 67 is just in contact fit with the lower end of the second transmission rack 65, and meanwhile, the upper end of the clamping block 66 mounted on the first transmission rack 17 is not opposite to the trigger inclined surface at the lower end of the limiting block 70. When the operation is performed according to the correct steps, the pressure is applied to the shell 1 next step, so that the trigger block 2 moves inwards relative to the shell 1, the trigger block 2 does not move inwards at the moment under the resistance of the trigger inclined surface at the lower end of the limiting block 70 to the clamping block 66, and the trigger block 2 moves smoothly. Therefore, the correct steps are installed for operation, and the binding action can be smoothly executed.

When the operation is not performed according to the correct mode, namely, the shell is firstly pressed to enable the trigger block to move inwards, as shown in a in fig. 16, the trigger block 2 is firstly pressed, then the adjusting plate 53 is pulled, and the reinforcing steel bars can also be bound, only when the trigger block 2 is firstly pressed, as shown in b in fig. 16, the clamping block 66 on the first transmission rack 17 can extrude the trigger inclined plane at the lower end of the limiting block 70 on the adjusting rod 67, under the action of the second plate spring 61, the adjusting rod 67 can reversely provide resistance for the first transmission rack 17, people cannot easily press the trigger block 2, and can feel certain resistance, as shown in c in fig. 16, but the clamping block 66 on the first transmission rack 17 can still exceed the limiting block 70 to extrude the adjusting rod 67 to drive the arc-shaped expansion plate 3 to slide, but when the trigger block is not used according to the correct operation sequence, the labor is relatively great.

Regardless of the correct operation, the trigger inclined plane and the reset inclined plane 68 at the upper end of the limiting block 70 designed by the invention can ensure that the adjusting plate 53 and the trigger block 2 can be reset smoothly under the action of respective springs. The incorrect operation comprises pressing the trigger block 2 and pressing the adjusting plate 53, pressing the adjusting plate 53 again, but pressing is not thorough, and when the pressing is not thorough, the pressing of the trigger block 2, the adjusting plate 53 and the trigger block 2 is started to be alternately pressed, and the pressing does not reach the thorough state. In order to describe the structure of the reset process, the reset process that the reference adjusting plate 53 and the trigger block 2 both reach the motion limit is described:

1. If people pull the adjusting plate 53 all the time, the adjusting plate 53 cannot slide, namely the second transmission rack 65 is limited by hands, and the pressure on the shell 1 is relieved at the moment, the first transmission rack 17 can firstly reset and move under the action of the return spring 12, the clamping block 66 is not matched with the limiting block 70 in the resetting process of the first transmission rack 17, the adjusting plate 53 is loosened after resetting, the adjusting plate 53 resets under the action of the first plate spring 54, namely the second transmission rack 65 resets, the adjusting rod 67 is extruded by the triggering inclined plane to enable the adjusting rod 67 to move back and reset, the second plate spring 61 is compressed, and the limiting block 70 limits the first transmission rack 17 again;

2. if one releases the adjusting plate 53 and keeps pressing the housing 1, the adjusting plate 53 will reset first under the action of the first plate spring 54, i.e. the second driving rack 65 resets, the second driving rack 65 resets and presses the adjusting rod 67 by triggering the inclined plane so that the adjusting rod 67 moves back and resets, and the second plate spring 61 is compressed; afterwards, the first transmission rack 17 is reset under the action of the reset spring 12, but the second transmission rack 65 can enable the adjusting rod 67 to firstly restore to the initial position in the resetting process, so in the process of downward movement of the first transmission rack 17, the fixture block 66 mounted at the lower end of the first transmission rack 17 is in contact with the upper triggering inclined surface of the limiting block 70 mounted on the adjusting rod 67, and then the adjusting rod 67 is extruded, so that the adjusting rod 67 continues to move backwards, the second plate spring 61 continues to compress, and after the fixture block 66 completely moves to the lower side of the limiting block 70, the adjusting rod 67 can restore to the initial position again.

Under the action of the bidirectional overrunning clutch 59, the two arc-shaped expansion plates 3 cannot interfere with the installation rotating shaft 19 in the process that the corresponding elastic ropes 71 drive the two arc-shaped expansion plates to reset, namely the resetting of the arc-shaped expansion plates 3 and the resetting of the adjusting rod 67, the first transmission rack 17 and the second transmission rack 65 cannot interfere; the design of the adjusting rod 67 of the present invention only has the function of warning the user.

When the arc-shaped expansion plate 3 is reset, the number of resetting turns of the second gear 21 is greater than that of the resetting turns of the mounting rotating shaft 19, so that the bidirectional overrunning clutch 59 is designed to ensure the normal operation of the structure. The bidirectional overrunning clutch 59 is a conventional bidirectional overrunning clutch comprising a cam, a cylindrical pin and an outer ring, when the cam of the bidirectional overrunning clutch drives the outer ring to rotate, the outer ring of the cam presses the cylindrical pin, the cylindrical pin cannot rotate when the cylindrical pin is pressed, but when the outer ring needs to reversely overrun the cam, the cam needs to reversely move relative to the outer ring, and the pressing on the cylindrical pin is released. In the process of resetting of the bidirectional overrunning clutch 59, if the mounting rotating shaft 19 drives the second gear 21 to move during operation and the number of turns of the second gear 21 is larger than that of turns of the mounting rotating shaft 19 during resetting, namely, the reverse overrunning function is realized, the mounting rotating shaft reversely rotates relative to the second gear 21 along the reverse direction of the working direction of the mounting rotating shaft during resetting so as to relieve the driving force of the mounting rotating shaft 19 on the second gear 21, the reverse rotation of the mounting rotating shaft 19 is ensured to be realized through the elastic design of the reset spring 12, the first plate spring 54 and the elastic rope 71 in the invention as shown in fig. 10 and 11, the second magnetic block 39 is respectively mounted at the middle position on the outer circular surface 74 of the two binding semicircular discs 41, and as shown in fig. 9, the first magnetic blocks 18 are respectively mounted on the two telescopic inner plates 23; the magnetism of the ends of the two first magnetic blocks 18, which are matched with the two second magnetic blocks 39, is opposite, and the magnetism of the ends of the two second magnetic blocks 39, which are exposed out of the binding semicircular disc 41, is opposite; in the initial state, the two first magnetic blocks 18 and the corresponding second magnetic block 39 are attracted; under the action of the two first magnetic blocks 18 and the second magnetic block 39, the cutting surfaces of the two binding semicircular disks 41 are just opposite to each other in the initial state, and after the two binding semicircular disks 41 are combined and wound on a steel wire, under the action of attraction and repulsion of the two first magnetic blocks 18 and the second magnetic block 39, the two binding semicircular disks 41 can automatically rotate and reset to the initial state; in order to further more reliably ensure the positions of the two binding half discs 41 in the initial state, as a further improvement, the two arc-shaped racks 24 are always in the meshed state with the corresponding sixth gear 34.

In the initial state, the gap between the binding turntable 4 and the shell 1 can ensure that the steel wire can be smoothly inserted into the clamping mechanism 5; as shown in fig. 14, two clamping mechanisms 5 may be obliquely distributed on the two binding semicircular plates 41.

The specific work flow takes the correct operation flow as an example: when the steel bar binding device designed by the invention is used, two ends of a steel wire are inserted into the two clamping mechanisms 5 on the two binding semicircles; when the steel wire is inserted, the three triangular claws 44 are pushed inwards by the steel wire, the three triangular claws 44 drive the mounting disc 51 to move inwards, and the mounting disc 51 compresses the return spring 47 through the spring mounting disc 46; and the three triangular claws 44 are moved inwards to leave gaps between the outer side surfaces of the three triangular claws 44 and the inner conical surface of the adjusting ring 45, and the gaps between the inner side surfaces of the three triangular claws 44 are continuously expanded through the steel wire until the steel wire is inserted.

Afterwards, the adjusting plate 53 is pulled upwards manually, the adjusting plate 53 can drive the two adjusting rods 67 to move, the two adjusting rods 67 move to drive the two second connecting rods 64 to move, the two second connecting rods 64 move to drive the two second transmission racks 65 to move, the two second transmission racks 65 slide to drive the two seventh gears 60 to rotate, the two seventh gears 60 rotate to drive the two installation rotating shafts 19 to rotate, the two installation rotating shafts 19 rotate to drive the two second gears 21 to rotate, the two second gears 21 rotate to drive the two arc-shaped expansion plates 3 to slide, and in this state, the arc-shaped expansion plates 3 cannot be contracted. In the sliding process of the two arc-shaped expansion plates 3, the expansion outer sleeve 22 drives the corresponding expansion inner plate 23 to slide through the compression spring 28, the expansion inner plate 23 slides through the connecting block 25, the semi-circular rod 37, the semi-circular sleeve 38, the supporting semi-circular disc 43 and the semi-circular shaft 42 to drive the two binding semi-circular discs 41 to move, and finally the two binding semi-circular discs are combined into a complete binding turntable 4.

Finally, the shell 1 is pressed by the handle 6, so that the triggering block 2 is clamped on the corresponding steel bar, the triggering block 2 is static, the shell 1 moves relative to the triggering block 2, the second gear 21 moves relative to the first transmission rack 17, the two second gears 21 are rotated through the two first transmission racks 17, when the two second gears 21 rotate to drive the telescopic outer sleeves 22 of the two arc-shaped telescopic plates 3 to slide relative to the telescopic inner plate 23, the telescopic outer sleeves 22 can drive the corresponding arc-shaped racks 24 to slide, the arc-shaped racks 24 slide to drive the corresponding sixth gears 34 which are arranged on the telescopic inner plate 23 through the second supporting rotating shafts 36 to rotate, the sixth gears 34 rotate to drive the fifth gears 32 to rotate through the corresponding first connecting shaft sleeves 33, the fifth gears 32 rotate to drive the corresponding fourth gears 30 to rotate, and the fourth gears 30 rotate to drive the third gears 29 to rotate through the corresponding second connecting shaft sleeves 73; the rotation of the two third gears 29 drives the drive gears combined by the two semicircular drive gears 40 to rotate; the driving gear rotates to drive the combined round shaft to rotate, and the round shaft rotates to drive the binding turntable 4 to rotate to wind the steel wire; and finishing binding until the steel wire is damaged and pulled out.

Claims

1. The utility model provides a device is binded to reinforcing bar that building reinforced concrete was used which characterized in that: the trigger mechanism comprises a shell, a trigger block, an arc-shaped expansion plate, a binding turntable and a clamping mechanism, wherein one end of the shell is provided with a handle; one end of the trigger block is provided with clamping grooves which are distributed obliquely, the other end of the trigger block is arranged in the shell in a sliding fit manner, and a return spring is arranged between the trigger block and the inner end surface of the shell; the two arc-shaped expansion plates are symmetrically arranged on the shell, one ends of the arc-shaped expansion plates penetrate out of the shell, and the two arc-shaped expansion plates are in sliding fit with the shell; the trigger block is stressed to move, and the sliding of the two arc-shaped expansion plates is driven through the transmission of the gear and the rack; one end of the adjusting plate is provided with a sliding sleeve, the adjusting plate is arranged on the shell through the sliding fit of the sliding sleeve and the handle on the shell, and a first plate spring is arranged between the adjusting plate and the handle on the shell; the adjusting plate slides on the handle and drives the two arc-shaped telescopic plates to slide through the transmission of the rack and the gear;

2. The reinforcing bar binding apparatus for construction reinforced concrete according to claim 1, wherein: a U-shaped guide rail shell for providing a guide effect for the trigger block is arranged in the shell, two guide sliding chutes which are symmetrically distributed are formed in two inner side surfaces of the U-shaped guide rail shell, two guide sliding blocks are symmetrically arranged at one end, which is not provided with a clamping groove, of the trigger block, and one end, provided with the guide sliding blocks, of the trigger block is arranged in the U-shaped guide rail shell through the sliding fit of the two guide sliding blocks and the two guide sliding chutes; the end of the shell, which is not provided with the handle, is provided with a square opening for the trigger block to slide out of the shell, and the square opening is aligned with the open end of the U-shaped guide rail shell.

3. The reinforcing bar binding apparatus for construction reinforced concrete according to claim 1, wherein: one end of the shell, which is not provided with the handle, is symmetrically provided with two guide ports; the arc-shaped expansion plate consists of an expansion outer sleeve, an expansion inner plate and a compression spring; two guide grooves are formed in the cambered surfaces on the two sides in the telescopic outer sleeve, two guide blocks are arranged on the cambered surfaces on the two sides of one end of the telescopic inner plate, which is provided with the guide blocks, is arranged in the telescopic outer sleeve through the sliding fit of the two guide blocks and the two guide grooves, and a compression spring is arranged between one end of the telescopic inner plate, which is positioned in the telescopic outer sleeve, and the inner end surface of the telescopic outer sleeve; the telescopic outer sleeves of the two arc-shaped telescopic plates are arranged in the shell in a sliding fit manner, and the telescopic inner plates of the two arc-shaped telescopic plates penetrate through two guide ports formed in the shell and are positioned outside the shell; the two binding semicircular disks are respectively arranged on two telescopic inner plates of the two arc-shaped telescopic plates.

4. The reinforcing bar binding apparatus for construction reinforced concrete according to claim 3, wherein: the two binding semicircular discs are arranged on the corresponding telescopic inner plates through connecting blocks, semicircular rods, semicircular ring sleeves, supporting semicircular discs and semicircular shafts, wherein one end of each connecting block is fixedly arranged on the corresponding telescopic inner plate, one end of each semicircular rod is fixedly arranged at the other end of each connecting block, and the other end of each semicircular rod is provided with the corresponding supporting semicircular disc; the semi-circular ring sleeve is arranged on the supporting semi-circular ring in a rotating fit manner; the semicircular shaft is fixedly arranged on the semicircular sleeve; the binding semicircular disc is fixedly arranged on the semicircular shaft;

5. The reinforcing bar binding apparatus for construction reinforced concrete according to claim 1, wherein: the two binding semicircular discs are respectively provided with an installation circular groove, the clamping mechanism comprises a triangular claw, an adjusting ring, a spring installation disc, a return spring and an installation circular disc, wherein the inner circular surface of the adjusting ring is an inverted conical surface, the adjusting ring is fixedly installed in the corresponding installation circular groove, the installation circular disc is installed at the upper end of the spring installation disc, three trapezoidal guide grooves are axially and uniformly formed in the upper end surface of the installation circular disc, and the spring installation disc is installed in the corresponding installation circular groove in a sliding fit manner and is positioned at the lower side of the corresponding adjusting ring; a return spring is arranged between the spring mounting disc and the inner end face of the corresponding mounting circular groove; the outer side surface of the triangular claw is a conical surface, and the inner side surface of the triangular claw is a round surface; the lower end of each triangular claw is provided with a trapezoidal guide block, the three triangular claws are arranged on the mounting disc through the sliding fit of the trapezoidal guide blocks arranged on the three triangular claws and the three trapezoidal guide grooves, the three triangular claws form a complete conical column after being combined, and the outer conical surfaces of the three triangular claws are in extrusion fit with the inner side surface of the adjusting ring.

6. The reinforcing bar binding apparatus for construction reinforced concrete according to claim 4, wherein: the telescopic outer sleeves of the two arc-shaped telescopic plates are respectively provided with an arc-shaped rack, one ends of the telescopic inner plates of the two arc-shaped telescopic plates, which are far away from the telescopic outer sleeves, are respectively provided with a second supporting rotating shaft, one ends of the two second supporting rotating shafts are respectively provided with a sixth gear, and the two sixth gears are respectively meshed with the arc-shaped racks on the same side; the two fifth gears are respectively arranged at the other ends of the two supporting rotating shafts and are respectively fixedly connected with the coaxial sixth gear through a first connecting shaft sleeve; the two first supporting rotating shafts are respectively and fixedly connected with the second supporting rotating shaft on the same side through a connecting fixing block; the two fourth gears are respectively arranged at one end of the two first supporting rotating shafts and are respectively meshed with the fifth gears at the same side; the two third gears are respectively arranged at the other ends of the two first supporting rotating shafts and are respectively fixedly connected with a fourth gear at the same side through a second connecting shaft sleeve; a semicircular driving gear is respectively arranged on the two semicircular shafts; after the two binding semicircular disks are combined, the two semicircular driving gears are combined into a complete driving gear, and the combined driving gear is meshed with the two third gears; the two arc-shaped racks are distributed on the two arc-shaped expansion plates in a vertically staggered manner.

7. The reinforcing bar binding apparatus for construction reinforced concrete according to claim 2, wherein: two guide chutes formed on the U-shaped guide rail shell are respectively provided with a square through hole, and one end of the shell, which is provided with a handle, is provided with two through square holes which are symmetrically distributed;

the two mounting rotating shafts are symmetrically arranged in the shell, the structures arranged on the two mounting rotating shafts and the matching structures of the mounting structures are completely the same, for the structure on one side of any one mounting rotating shaft, the second gear is arranged on the mounting rotating shaft through a two-way overrunning clutch, and the first gear and the seventh gear are respectively arranged at two ends of the fixed rotating shaft through a one-way clutch; one end of a first connecting rod is fixedly arranged on the trigger square block, the other end of the first connecting rod penetrates through the corresponding square through hole to be positioned outside the U-shaped guide rail shell, and one end of a first transmission rack is fixedly arranged at one end of the first connecting rod, which is positioned outside the U-shaped guide rail shell; the first transmission rack is meshed with the first gear; one end of the adjusting pull rod is fixedly arranged on the adjusting plate, the other end of the adjusting pull rod penetrates through the corresponding square hole to be positioned in the shell, and one end of the second transmission rack is fixedly arranged at one end of the adjusting pull rod, which is positioned in the shell, through the second connecting rod; the second transmission gear is meshed with the seventh gear; one end of the guide rod is fixedly arranged on the inner wall of the shell, the upper end of the adjusting rod is provided with a reset inclined plane, and the lower end of the adjusting rod is provided with a triangular limiting block; the adjusting rod is provided with a guide hole and is arranged in the shell in a sliding fit manner through the guide hole and the guide rod; a second plate spring is arranged between the adjusting rod and the shell, one end of the second plate spring is fixedly arranged on the adjusting rod, and the other end of the second plate spring is fixedly arranged on the inner wall of the shell through a fixing block; the clamping block is arranged on the first transmission rack and matched with the limiting block; the reset inclined plane at the upper end of the adjusting rod is in extrusion fit with the second transmission rack; in an initial state, the fixture block is positioned at the lower side of the limiting block and is in contact fit with the triangular inclined plane on the limiting block; the upper end of the adjusting rod is in contact fit with the side face of the second transmission rack, and the second plate spring is compressed;

8. The reinforcing bar binding apparatus for construction reinforced concrete according to claim 1, wherein: a second magnetic block is arranged in the middle of the outer circular surfaces of the two binding semicircular discs, and a first magnetic block is arranged on each of the two telescopic inner plates; the magnetism of one ends of the two first magnetic blocks, which are matched with the two second magnetic blocks, is opposite, and the magnetism of one ends of the two second magnetic blocks, which are exposed out of the binding semicircular disc, is opposite; in an initial state, the two first magnetic blocks and the corresponding matched second magnetic block are attracted.

9. The reinforcing bar binding apparatus for construction reinforced concrete according to claim 7, wherein: two groups of guide supports are symmetrically arranged in the shell, and eight guide supports in the two groups of guide supports respectively play a role in guiding the two first transmission racks and the two second transmission racks.

10. The reinforcing bar binding apparatus for construction reinforced concrete according to claim 5, wherein: the upper ends of the inner side surfaces of the three triangular claws are provided with fillets which are convenient for inserting steel wires.