CN213979965U

CN213979965U - A connect auxiliary device for screw-thread steel

Info

Publication number: CN213979965U
Application number: CN202022574070.1U
Authority: CN
Inventors: 郑超明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-08-17
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a connect auxiliary device for screw-thread steel, including electric tool, still include the device main part, be provided with the through-hole that can supply the screw-thread steel to pass in the device main part, be provided with clamping mechanism in the device main part, the last tight hole of clamp that corresponds the through-hole that is provided with of clamping mechanism, clamping mechanism rotates around the axis of through-hole, clamping mechanism's bottom is provided with first awl tooth, it is connected with the transfer line to rotate in the device main part, the one end of transfer line is the transmission end, and the other end is the drive end, be provided with the second awl tooth that corresponds first awl tooth on the transmission end, can dismantle on the drive end and be connected with electric tool, its simple structure, production and cost of maintenance are low.

Description

A connect auxiliary device for screw-thread steel

Technical Field

The utility model belongs to screw-thread steel jointing equipment field, more specifically the connection auxiliary device for screw-thread steel that says so relates to.

Background

The deformed steel bar is a popular name of hot-rolled ribbed steel bars, the deformed steel bar is an important and indispensable building material in the building industry, the traditional deformed steel bar has a certain length during production, two deformed steel bars are connected end to end according to the requirement sometimes to increase the total length of the deformed steel bar, the traditional deformed steel bar connection mode comprises welding, sleeve threaded connection or other mechanical connection modes, and the sleeve threaded connection mode is wider in application range and more in use quantity.

Before connection, an external thread needs to be tapped at one end of two screw-thread steels, the two screw-thread steels are connected together through a sleeve with an internal thread, the sleeve needs to be connected to one screw-thread steel firstly in the connection process, then the other screw-thread steel is in threaded connection with the sleeve through rotation, and the screw-thread steel is clamped to rotate by the rotation of the screw-thread steel through a pipe wrench or a torque wrench (such as a steel bar torque wrench, shown in figure 1 in the specification drawing of a patent document with the publication number of CN 201922395U) manually, so that time and labor are wasted, and the cost is increased.

In order to solve the above problems, many apparatuses for rotating the deformed steel bar by using electric power have been proposed in the prior art, but most of the apparatuses have complicated structures and have high production and maintenance costs.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a simple structure's electronic screw-thread steel connection auxiliary device.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a connect auxiliary device for screw-thread steel, includes electric tool, still includes the device main part, be provided with the through-hole that can supply the screw-thread steel to pass in the device main part, be provided with clamping mechanism in the device main part, the last tight hole of clamp that is provided with corresponding through-hole of clamping mechanism, clamping mechanism rotates around the axis of through-hole, clamping mechanism's bottom is provided with first awl tooth, it is connected with the transfer line to rotate in the device main part, the one end of transfer line is the transmission end, and the other end is the drive end, be provided with the second awl tooth that corresponds first awl tooth on the transmission end, can dismantle on the drive end and be connected with electric tool.

Furthermore, a plurality of movable grooves are circumferentially and uniformly distributed on the clamping mechanism, clamping blocks are arranged in the movable grooves, one ends of the clamping blocks are rotatably connected with the movable grooves, the other ends of the clamping blocks extend into the through holes towards the direction of the through holes, clamping teeth are arranged at one ends of the clamping blocks extending into the through holes, pressure springs are arranged in the movable grooves, and two ends of each pressure spring are respectively connected with the groove walls of the clamping blocks and the movable grooves.

Further, clamping mechanism includes a plurality of tight pieces of clamp, all is provided with a movable groove on every tight piece of clamp, the device main part includes first main part and second main part, first main part is fan-shaped, be provided with the fan-shaped opening that corresponds first main part on the second main part, the one end and the second main part of first main part are articulated, are provided with fixed establishment between the other end and the second main part.

Furthermore, the device main body is provided with an annular groove, the clamping block is positioned in the annular groove, the groove walls on two sides of the annular groove are provided with sliding grooves, and the clamping block is provided with sliding strips corresponding to the sliding grooves.

Furthermore, a first positioning bulge is arranged on the first main body, and a second positioning bulge corresponding to the first positioning bulge is arranged on each clamping block.

Further, a hollow handle rod is arranged on the second main body, and the transmission rod is located in the handle rod.

Further, fixed establishment includes first fixed block in the first main part, second fixed block and fixed pin in the second main part, all be provided with penetrating fixed orifices on first fixed block and the second fixed block, the fixed pin passes two fixed orifices in proper order.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the transmission rod is driven to rotate by the electric tool, and the second conical teeth on the transmission rod are matched with the first conical teeth at the bottom of the clamping block, so that the clamping block is driven to rotate on the device main body around the axis of the through hole, and the deformed steel bar is driven to be rotationally connected to the nut sleeve;

2. the detachable first main part and the second main part that can open and shut make things convenient for the clamp of screw-thread steel and make things convenient for the device main part to take off from the screw-thread steel after the screw-thread steel is connected, improve the availability factor of device main part.

Drawings

FIG. 1 is a schematic structural view of the auxiliary screw-thread steel of the connection auxiliary device of the present invention during rotation connection;

FIG. 2 is a schematic structural view of the connection assisting device according to the present invention when not in use;

FIG. 3 is a front sectional view of the connection assistance device of the present invention;

FIG. 4 is a schematic structural view of a clamping mechanism in the connection assisting device according to the present invention;

fig. 5 is a schematic perspective view of the transmission rod.

Reference numerals: 1. a device main body; 2. a through hole; 3. a clamping hole; 4. a first bevel gear; 5. a transmission rod; 6. a second taper tooth; 7. a movable groove; 8. a clamping block; 9. a clamping tooth; 10. a pressure spring; 11. a clamping block; 12. a first body; 13. a second body; 14. an annular groove; 15. a sliding groove; 16. a slide bar; 17. a first positioning projection; 18. a second positioning projection; 19. a handle bar; 20. a first fixed block; 21. a second fixed block; 22. a fixing hole; 23. a fixing pin; 24. deformed steel bar; 25. a threaded sleeve; 26. a support block; 27. clamping the bolt; 28. and a support hole.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The present invention is further explained with reference to fig. 1 to 5.

The utility model provides a connect auxiliary device for screw-thread steel, includes electric tool (the attached drawing is not shown), still includes device main part 1, be provided with through-hole 2 that can supply screw-thread steel 24 to pass on the device main part 1, be provided with clamping mechanism on the device main part 1, the last tight hole 3 that presss from both sides that corresponds through-hole 2 that is provided with of clamping mechanism, clamping mechanism rotates around the axis of through-hole 2, clamping mechanism's bottom is provided with first awl tooth 4, it is connected with transfer line 5 to rotate on the device main part 1, the one end of transfer line 5 is the transmission end, and the other end is the drive end, be provided with the second awl tooth 6 that corresponds first awl tooth 4 on the transmission end, can dismantle on the drive end and be connected with electric tool (the attached drawing is not shown).

As shown in fig. 1, 3 and 5, when the screw-thread steel 24 is connected, a head portion with an external thread on the screw-thread steel 24 extends from the upper portion of the device body 1 and sequentially passes through the clamping hole 3 and the through hole 2, then the screw-thread steel 24 section in the through hole 2 is clamped by the clamping mechanism, then the device body 1 is moved to make the head portion of the screw-thread steel 24 align with the threaded hole on the nut sleeve, and then the device body 1 is connected to the driving end of the transmission rod 5 by using an electric tool, so as to drive the transmission rod 5 to rotate, through the matching of the second taper tooth 6 on the driving end of the transmission rod 5 and the first taper tooth 4 on the clamping mechanism, the clamping mechanism can rotate around the axis of the through hole 2 on the device body 1, and then the screw-thread steel 24 can be driven to rotate, so that the internally clamped screw-thread steel 24 is connected with the nut sleeve by a thread, the screw, the maintenance cost is low.

As shown in fig. 2, preferably, when the device body 1 is not used, the driving end of the driving rod 5 can be separated from the electric tool, so that the device body 1 can be separately carried or stored from the electric tool, and a plurality of device bodies 1 in use can be driven by one electric tool, that is, when the electric tool drives one device body 1 to perform auxiliary connection of one deformed steel bar 24, another device body 1 can be used for installing and clamping other deformed steel bars 24 to be connected, so that the electric tool can continuously work, and the connection efficiency of the deformed steel bars 24 is improved while the use cost of the electric tool is reduced.

As shown in fig. 1 and 3, preferably, the bottom of the device body 1 is provided with a supporting device, the supporting device includes a supporting block 26, a supporting hole 28 is formed in the supporting block 26, a clamping bolt 27 is threadedly connected to a side surface of the supporting block 26, the clamping bolt 27 penetrates through the supporting block 26 and extends into the supporting hole 28, after the device body 1 clamps the deformed steel 24, the supporting hole 28 on the supporting block 26 can be aligned with the threaded sleeve 25, then the threaded sleeve 25 extends into the supporting hole 28, the clamping bolt 27 is rotated, and when the clamping bolt 27 abuts against the threaded sleeve, the clamping bolt 27 is tightened, so that the device body 1 can be fixed on the threaded sleeve 25, thereby reducing the support of workers on the device body 1 when connecting the deformed steel 24 and reducing labor force.

Preferably, the shape of the support hole 28 is adapted to the shape of the threaded sleeve 25, i.e. when the threaded sleeve 25 is cylindrical, the cross-section of the support hole 28 is circular; when the threaded sleeve 25 is a polygonal column, the cross section of the support hole 28 is also polygonal, and the threaded sleeve 25 (a novel nut column disclosed in the patent publication No. CN 208281337U) having an octagonal column shape is preferably used in this embodiment, that is, the cross section of the support hole 28 is a regular octagon.

As shown in fig. 2, a plurality of circumferentially and uniformly distributed movable grooves 7 are preferably arranged on the clamping mechanism in this embodiment, clamping blocks 8 are arranged in the movable grooves 7, one end of each clamping block 8 is rotatably connected with the movable groove 7, the other end of each clamping block extends into the through hole 2 towards the direction of the through hole 2, clamping teeth 9 are arranged at one end of each clamping block 8 extending into the through hole 2, a pressure spring 10 is arranged in each movable groove 7, two ends of each pressure spring 10 are respectively connected with the clamping block 8 and the groove wall of the movable groove 7, when the head of the deformed steel bar 24 extends from the upper side of the through hole 2 of the device main body 1, the clamping blocks 8 are rotated towards the direction of the deformed steel bar 24 on the movable grooves 7, so as to increase the distance between the clamping blocks 8, when the deformed steel bar 24 passes through the through hole 2, under the pressure of the pressure spring 10, the clamping blocks 8 are rotated towards the direction of the deformed steel bar 24 and the clamping teeth 9 on the clamping blocks 8 are abutted against the surface of the deformed steel bar 24, then the clamping blocks 8 are tightly attached to the surface of the deformed steel bar 24 by the pressure of the pressure spring 10, so that the deformed steel bar 24 is clamped under the common clamping of the clamping blocks 8.

The rotation of the clamp block 8 enables the device body 1 to be suitable for deformed steel bars 24 of different sizes, and improves the applicability of the device body 1.

As shown in fig. 1 and 2, the clamp block 8 is preferably three, and the screw bar 24 is clamped while the screw center of the screw bar 24 is automatically aligned with the inner control center of the nut socket, so that the connection efficiency of the screw bar 24 is improved.

As shown in fig. 4, the clamping mechanism of the present embodiment preferably includes three clamping blocks 11, each clamping block 11 is provided with a movable groove 7, and the movable groove 7 of each clamping block 11 is provided with a clamping block 8, the device main body 1 includes a first main body 12 and a second main body 13, the first main body 12 is fan-shaped, the second main body 13 is provided with a fan-shaped opening corresponding to the first main body 12, that is, the first main body 12 and the second main body 13 can be spliced to form a whole.

Preferably, the clamping block 11 has a sector shape with an angle of 120 degrees, and the angle of the first body 12 is 120 degrees.

As shown in fig. 2, one end of the first body 12 is hinged to the second body 13, a fixing mechanism is arranged between the other end of the first body 12 and the second body 13, before clamping the deformed steel bar 24, the clamping blocks 11 are rotated to enable one of the clamping blocks 11 to be positioned on the first body 12, namely, two gaps between the clamping block 11 and the other two clamping blocks 11 are respectively overlapped with two gaps formed by splicing the first body 12 and the second body 13, then the fixing mechanism is opened to enable the first body 12 to rotate towards a direction far away from the second body 13, so that a fan-shaped opening on the second body 13 is opened, then the deformed steel bar 24 is vertically put out of the fan-shaped opening into the through hole 2 of the device body 1 and is abutted against the other two clamping blocks 8 on the second body 13, then the first body 12 is rotated towards the second body 13, after the clamping blocks 8 on the first body 12 are contacted with the deformed steel bar 24, the first body 12 continues to rotate close to the second body 13, so that the three clamping blocks 8 simultaneously rotate in the movable grooves 7, the deformed steel bars 24 are gradually clamped under the pressure of the pressure spring 10, when the first body 12 is completely spliced with the second body 13 into a whole, the deformed steel bars 24 are clamped on the device body 1, and finally the fixing device is closed, so that the first body 12 is fixed.

The screw-thread steel 24 can be more conveniently placed into the through hole 2 of the device main body 1 to be clamped through opening and closing of the first main body 12, and the first main body 12 can be opened again after the screw-thread steel 24 is screwed on the nut sleeve, so that the device main body 1 and the screw-thread steel 24 are conveniently separated, and the use efficiency of the device main body 1 is improved.

As shown in fig. 3, in the preferred embodiment of the present invention, the device body 1 is provided with an annular groove 14, the clamping block 11 is located in the annular groove 14, the groove walls on both sides of the annular groove 14 are provided with sliding grooves 15, the clamping block 11 is provided with sliding bars 16 corresponding to the sliding grooves 15, and the sliding bars 16 and the sliding grooves 15 are engaged to support the clamping block 11 and simultaneously limit the sliding of the clamping block 11 on the annular groove 14, that is, the clamping block 11 can only rotate around the axis of the through hole 2, so as to drive the deformed steel bar 24 to rotate.

As shown in fig. 1, in the preferred embodiment, the first main body 12 is provided with a first positioning protrusion 17, each of the clamping blocks 11 is provided with a second positioning protrusion 18 corresponding to the first positioning protrusion 17, and when the second positioning protrusion 18 on one of the clamping blocks 11 and the first positioning protrusion 17 on the first main body 12 are provided, two gaps between the clamping block 11 and the other two clamping blocks 11 can be respectively overlapped with two gaps formed by splicing the first main body 12 and the second main body 13, so that the positions of the clamping blocks 11 do not need to be adjusted by repeatedly rotating, and the opening efficiency of the first main body 12 is improved.

As shown in fig. 1, the second body 13 of the preferred embodiment is provided with a hollow handle bar 19, the transmission rod 5 is located in the handle bar 19, a worker can take up the support device body 1 through the handle bar 19, can use one hand to support the device body 1, and then can open or close the first body 12 through the other hand, thereby improving the installation efficiency of the deformed steel bar 24 on the device body 1.

As shown in fig. 2, the preferred fixing mechanism of this embodiment includes a first fixing block 20 on the first main body 12, a second fixing block 21 on the second main body 13, and a fixing pin 23, through fixing holes 22 are provided on both the first fixing block 20 and the second fixing block 21, the fixing pin 23 is located in the fixing hole 22, and when the first main body 12 needs to be opened, the fixing pin 23 is taken out of the fixing hole 22, so that the first main body 12 can be rotated; when the first body 12 is closed, the fixing pin 23 is inserted into the fixing hole 22 again to fix the first body 12, which is convenient and fast.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A connection auxiliary device for screw-thread steel, includes electric tool, its characterized in that: still include the device main part, be provided with the through-hole that can supply the screw-thread steel to pass in the device main part, be provided with clamping mechanism in the device main part, the last tight hole that presss from both sides that is provided with corresponding through-hole of clamping mechanism, clamping mechanism rotates around the axis of through-hole, clamping mechanism's bottom is provided with first awl tooth, it is connected with the transfer line to rotate in the device main part, the one end of transfer line is the transmission end, and the other end is the drive end, be provided with the second awl tooth that corresponds first awl tooth on the transmission end, can dismantle on the drive end and be connected with electric tool.

2. A connection auxiliary device for a deformed steel bar according to claim 1, wherein: the clamping mechanism is provided with a plurality of movable grooves which are circumferentially and uniformly distributed, clamping blocks are arranged in the movable grooves, one ends of the clamping blocks are rotatably connected with the movable grooves, the other ends of the clamping blocks extend into the through holes towards the direction of the through holes, clamping teeth are arranged at one ends of the clamping blocks, which extend into the through holes, pressure springs are arranged in the movable grooves, and the two ends of each pressure spring are respectively connected with the groove walls of the clamping blocks and the movable grooves.

3. A connection auxiliary device for deformed steel bars according to claim 2, wherein: the clamping mechanism comprises a plurality of clamping blocks, a movable groove is formed in each clamping block, the device body comprises a first body and a second body, the first body is fan-shaped, a fan-shaped opening corresponding to the first body is formed in the second body, one end of the first body is hinged to the second body, and a fixing mechanism is arranged between the other end of the first body and the second body.

4. A connection auxiliary device for a deformed steel bar according to claim 3, wherein: the device is characterized in that an annular groove is formed in the device body, the clamping block is located in the annular groove, sliding grooves are formed in the groove walls of the two sides of the annular groove, and sliding strips corresponding to the sliding grooves are arranged on the clamping block.

5. A connection assist device for a deformed steel bar according to claim 4, wherein: the first main body is provided with first positioning bulges, and each clamping block is provided with a second positioning bulge corresponding to the first positioning bulge.

6. A connection assist device for a deformed steel bar according to claim 5, wherein: the second main body is provided with a hollow handle rod, and the transmission rod is positioned in the handle rod.

7. A connection assist device for a deformed steel bar according to claim 6, wherein: the fixing mechanism comprises a first fixing block on the first main body, a second fixing block on the second main body and a fixing pin, wherein the first fixing block and the second fixing block are respectively provided with a through fixing hole, and the fixing pin sequentially penetrates through the two fixing holes.