CN217537566U

CN217537566U - Novel steel bar mechanical connection standardization complete device

Info

Publication number: CN217537566U
Application number: CN202220241245.3U
Authority: CN
Inventors: 周成功
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-10-04
Anticipated expiration: 2032-01-27

Abstract

The utility model provides a novel steel bar mechanical connection standardization complete set device, which is connected with the end part of a steel bar piece and is characterized in that the device comprises a second component and a third component which are mutually nested, wherein the second component is a sleeve, the third component is an outer sleeve, and the third component is nested outside the second component; and optionally a fourth component, wherein the fourth component is an adjusting screw connected with the end parts of the two steel bar pieces; the utility model provides a new, extensive applicability and expense relatively lower can be convenient and effectual two be difficult to the free rotation, reinforcing bar joinable length can't satisfy reinforcing bar overlap joint requirement, the reinforcing bar joint less unable adoption welding form in the space of locating or the great building accessories's of weldment work volume utility model technique.

Description

Novel steel bar mechanical connection standardization complete device

Technical Field

The utility model relates to a civil engineering field's a building element's novel reinforcing bar mechanical connection standardization complete set device, more specifically say, relate to a reinforcing bar mechanical connection joint when being difficult to the free rotation by the connecting reinforcement.

Background

In the field of civil engineering in the prior art, steel bar engineering is a foundation framework formed by a building structure, and a steel bar connecting mode and a connecting measure are key technologies in the civil engineering.

At present, the main modes of steel bar connection in the field include steel bar binding connection, steel bar welding, steel bar mechanical connection and the like, and of course, different steel bar connection modes are respectively suitable for certain specific environmental conditions of engineering construction.

Under some engineering construction conditions, if two steel bars to be connected are difficult to rotate freely, the length of the connected steel bars is short, the lap joint requirement of the steel bars cannot be met, the space where the steel bar joints are located is small, and the existing steel bar connection mode cannot be used economically and suitably to solve the problem of steel bar connection basically when the welding mode or the welding workload is large. With the wide popularization and great popularization of the fabricated building, the construction conditions of the engineering with the harsh construction limiting conditions are more and more common in the actual engineering construction.

In view of the above problems, a connection joint method such as a steel bar grouting sleeve has been developed in the field at home and abroad, but the steel bar grouting sleeve joint method in the prior art still has high cost, and if the length requirement of the steel bar joint is still relatively long when the steel bar grouting sleeve joint method is applied to horizontal steel bar connection, the applicability in practical construction engineering is still relatively poor.

In view of the above problems, the invention of a new reinforcing steel bar, which has wide applicability and relatively low cost, can conveniently and effectively connect two reinforcing steel bars which are difficult to rotate freely, has a short connecting length of the reinforcing steel bar and cannot meet the overlapping requirement of the reinforcing steel bar, has a small space of a reinforcing steel bar joint and cannot adopt a welding mode or has large welding workload is imperative.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present invention provides a novel standardized complete set of steel bar mechanical connection device. The utility model discloses-novel steel bar mechanical connection standardization complete set device has simple structure reasonable, and maneuverability is strong, and the suitability is good, low cost and can shorten large building construction installation time's beneficial effect.

In order to achieve the above and other related objects, the present invention provides a novel steel bar mechanical connection standardization complete set device, which is connected to an end portion of a steel bar member, and comprises a second assembly and a third assembly which are nested with each other, wherein the second assembly is a sleeve, the third assembly is an outer sleeve, and the third assembly is nested outside the second assembly; and optionally a fourth component, wherein the fourth component is an adjusting screw rod connected with the end parts of the two reinforcing steel bar pieces.

The novel steel bar mechanical connection standardization complete device comprises a base, a connecting part and a convex guide part, wherein the connecting part is located at one end of the base, the convex guide part is located at the other end of the base, and the guide part and a positioning hole formed in the end part of the steel bar part are mutually guided to be aligned to connect the two steel bar parts.

The novel steel bar mechanical connection standardization complete device comprises a first assembly welded at the end part of a steel bar piece, wherein the first assembly is a screw rod provided with annular threads; the second assembly is sleeved on the first assembly, the second assembly is a sleeve, the inner side of the sleeve is provided with an annular thread corresponding to the annular thread of the first assembly, the first assembly and the second assembly are nested, and the outer side of the second assembly is provided with a thread; and the third component is in threaded connection with the second component, is an outer sleeve, is provided with threads on the inner side, and is in threaded connection with the outer side of the second component at one end.

The novel steel bar mechanical connection standardization complete device comprises a first component welded at the end part of a first connecting steel bar and a fifth component welded at the end part of a second connecting steel bar, wherein the first component is a screw rod provided with an annular thread; the second assembly is sleeved on the first assembly, the second assembly is a sleeve, the inner side of the sleeve is provided with an annular thread corresponding to the annular thread of the first assembly, the first assembly and the second assembly are nested, and the outer side of the second assembly is provided with a thread; and the third component is in threaded connection with the second component, is an outer sleeve, is provided with threads on the inner side, is in threaded connection with the outer side of the second component at one end, is in threaded connection with the fifth component at the other end, and is a long screw rod.

The novel steel bar mechanical connection standardization complete device comprises a first component welded at the end part of a first connecting steel bar, wherein the first component is a screw rod provided with an annular thread; the second assembly is sleeved on the first assembly, the second assembly is a sleeve, the inner side of the sleeve is provided with an annular thread corresponding to the annular thread of the first assembly, the first assembly and the second assembly are nested, and the outer side of the second assembly is provided with a thread; and the third component is in threaded connection with the second component, is an outer sleeve, is provided with threads on the inner side, is in threaded connection with the outer side of the second component at one end, and is in threaded connection with the machining threads at the end part of the second connecting steel bar at the other end.

A novel steel bar mechanical connection standardization complete device is connected to the end parts of a first connecting steel bar and a second connecting steel bar of a steel bar piece and comprises a sleeve and an outer sleeve which are connected in a sleeved mode through annular threads, the sleeve is connected with a threaded screw rod processed at the end of one end of the first connecting steel bar in a threaded mode, and annular threads are arranged on the outer side of the sleeve; the outer sleeve is sleeved on the sleeve, the inner side of the outer sleeve is provided with annular threads, and the sleeve and the outer sleeve are nested into a whole through the annular threads; the other end of the outer sleeve is in threaded connection with the end of the second connecting steel bar.

The novel steel bar mechanical connection standardization complete device is characterized in that a threaded screw rod processed at the end head of one end of a first connecting steel bar in threaded connection with a sleeve changes in length according to the placement position of an outer sleeve.

The novel steel bar mechanical connection standardization complete device comprises a threaded screw connected to a first connecting steel bar, a sleeve in threaded connection with the threaded screw, an outer sleeve in threaded connection with the sleeve, and a threaded end of a second connecting steel bar in threaded connection with the other end of the outer sleeve.

The novel steel bar mechanical connection standardization complete device is characterized in that the threaded screw is connected to the second connecting steel bar, and threads are machined at the end of the first connecting steel bar.

Novel reinforcing bar mechanical connection standardization complete set device, still include adjusting screw, including adjusting screw basal portion, be located the connecting portion of basal portion one end and be located the convex guide portion of the basal portion other end, this guide portion is adjusted well with the mutual guide of locating hole that reinforcing bar spare tip was provided with and is connected two reinforcing bar spare.

As above, the utility model discloses a novel reinforcing bar mechanical connection standardization complete set device has following beneficial effect:

the utility model can realize the reliable connection of two precast concrete components without the grouting material relying on mechanical connection, and the mechanical connection mode is simple and various, the connection effect is good, and the short or other defects of various connecting reinforcing steel bars can be effectively overcome; moreover, adopt among the technical scheme of prior art grout muffjoint mode need pour into the grout material into in the sleeve, and this patent technique does not need. The utility model discloses can rely on mechanical connection to realize the reliable connection of reinforcing bar among steel reinforcement cage, the shaping framework of steel reinforcement.

So, this patent technique can be more nimble adaptation site operation's various condition, and the expense is low, effectual, easy operation.

Drawings

FIG. 1 shows the novel steel bar mechanical connection standard the structure of the first embodiment of the complete device is schematically shown.

Fig. 2 is a schematic structural view of a second embodiment of the novel steel bar mechanical connection standardized complete set device.

Fig. 3 is the third structural schematic diagram of the embodiment of the novel steel bar mechanical connection standardized complete device.

Fig. 4 is the structural schematic diagram of the fourth embodiment of the standardized complete set of device for mechanical connection of steel bars of the utility model.

Fig. 5 is the fifth schematic structural diagram of the embodiment of the standardized complete equipment for mechanical connection of steel bars of the utility model.

Fig. 6 is a schematic structural view of a sixth embodiment of the novel steel bar mechanical connection standardized complete set device.

Fig. 7 is a schematic structural diagram of a seventh embodiment of the novel steel bar mechanical connection standardization complete set device.

Fig. 8 is the structural schematic diagram of the eight embodiment of the novel steel bar mechanical connection standardization complete device.

Element number description:

FIG. 1 shows the following reference numerals:

the novel rebar mechanical connection standardization set device 100, the first connecting rebar 110, the first component 101, the second component 102, the third component 103, the fourth component 104, the base portion 1040, the connecting portion 1041, the guide portion 1042, the second connecting rebar 120 and the positioning hole 1201.

FIG. 2 shows the following reference numerals:

the novel steel bar mechanical connection standardization complete device 200, a first connecting steel bar 210, a first assembly 201, a second assembly 202, a third assembly 203, a fourth assembly 204, a base 2040, a connecting portion 2041, a guide portion 2042, a fifth assembly 205, a second connecting steel bar 220, a positioning hole 2011 and a diameter expansion portion 2021.

FIG. 3 of the third embodiment is labeled:

the novel steel bar mechanical connection standardized complete set device 300, a first connecting steel bar 310, a second connecting steel bar 320, a first assembly 301, a second assembly 302, a third assembly 303 and a diameter expansion part 3021.

FIG. 4 shows the following example:

the novel steel bar mechanical connection standardization set 400, a first connecting steel bar 410, a second connecting steel bar 420, a first assembly 401, a second assembly 402, a third assembly 403 and a diameter expansion part 4021.

FIG. 5 for example five is numbered:

the novel steel bar mechanical connection standardized complete set device 500, a first connecting steel bar 510, a second connecting steel bar 520, a first assembly 501 and a second assembly 502.

FIG. 6 for the sixth embodiment:

the novel rebar mechanical connection standardization set 600, the first connecting rebar 610, the second connecting rebar 620, the first assembly 601 and the second assembly 602.

Fig. 7 of the seventh embodiment is numbered:

the novel steel bar mechanical connection standardization complete device 700, a first connection steel bar 710, a first component 701, a second component 702, a third component 703, a fourth component 704, a base 7040, a connecting portion 7041, a guide portion 7042, a second connection steel bar 720, a positioning hole 7201 and an enlarged portion 7021.

Fig. 8 for the eighth embodiment:

the novel steel bar mechanical connection standardized complete device 800, a first connecting steel bar 810, a second connecting steel bar 820, a first component 801, a second component 802, a third component 803, a fourth component 804, a base portion 8040, a connecting portion 8041, a guide portion 8042, a positioning hole 8101 and a diameter expansion portion 8021.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic manner, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and proportion of each component may be changed arbitrarily and the layout of the components may be more complicated.

Referring to fig. 1-8, eight embodiments of the present invention are illustrated, as will be described in detail below.

The first embodiment is as follows:

as shown in fig. 1, a new type of standardized complete set of device for mechanical connection of reinforcing steel bars when the connected reinforcing steel bars are difficult to rotate freely is a popular standardized joint for complete set production, which is suitable for connecting reinforcing steel bars that are immovable and unrotatable.

In this embodiment, the novel steel bar mechanical connection standardization complete set 100 comprises a first component 101 and a second component 102 which are connected in a sleeved manner, wherein the first component 101 is a threaded screw welded at one end of a first connecting steel bar 110, and the second component 102 is a sleeve sleeved on the first component 101, wherein the inner side of the sleeve is provided with an annular thread, and the outer side of the sleeve is provided with a thread; the third assembly 103 is an outer sleeve, the inner side of the third assembly 103 is provided with threads, one end of the third assembly can be screwed with the outer side of the sleeve of the second assembly 102, and the other end of the third assembly can be connected with the end part of another second connecting steel bar 120 through threads, wherein the end part of the second connecting steel bar 120 is processed with threads; the fourth component 104 is an adjusting screw, and includes a base 1040, a connecting portion 1041 located at one end of the base 1040 and inserted into the middle of the end of the screw of the first component 101, and a protruding guiding portion 1042 located at the other end of the base 1040, wherein the guiding portion 1042 is aligned with the guiding positioning hole 1201 provided at the end of the second connecting bar 120 for facilitating the aligned connection between the two connecting

bars

110 and 120.

In practical operation, the first connecting bars 110 are welded (but not limited to friction welding can be used) to the first assembly 101, respectively, and the ends of the second connecting bars 120 are threaded long; continuing, in a first step, the connection portion 1041 of the fourth component 104 is screwed into the first component 101; secondly, the third assembly 103 is screwed on the screw thread of the second connecting steel bar 120; thirdly, the second connecting steel bar 120 is put in place, the fourth component 104 is screwed, and the guiding head of the guiding part 1042 of the fourth component 104 is jacked into the positioning hole 1201 at the end part of the second connecting steel bar 120 and is tightly jacked; fourthly, the third assembly 103 is sleeved on the second assembly 102, the inner side of the third assembly 103 is provided with a conventional thread, the outer side of the second assembly 102 is provided with a conventional thread matched with the inner side thread of the third assembly 103, the third assembly 103 is screwed to the end part diameter expansion part 1021 of the second assembly 102, then the second assembly 102 is screwed reversely to achieve a specified pre-tightening torque, so that the second connecting steel bar 120 and the first assembly 101 are fully pressed, and the first connecting steel bar 110 and the second connecting steel bar 120 are connected through the mechanical meshing action of the assemblies. Wherein second subassembly 102 diameter enlarges position 1021, and the periphery can set up to the hexagon, and the spanner of being convenient for is fastened, and the tip can set up the toper tooth's socket, can with supporting conical gear interlock, realizes electronic the screwing up: the diameter expansion part 1021 of the second component 102 can be provided with a rectangular tooth socket at the periphery, and can be meshed with a matched electric gear to realize electric screwing. In addition, the outer side of the second component 102 can adopt a groove form, so that the third component 103 can be conveniently and smoothly sleeved; the function of the fourth component 104 also includes that when the first component 101 and the second connecting steel bar 120 are installed with a gap, the length of screwing the fourth component 104 can be adjusted, so that the first component 101 and the second connecting steel bar 120 are tightly pressed, and the length of the thread engagement of the third component 103 and the second connecting steel bar 120 should meet the force transmission requirement. The length of the threaded engagement of the second component 102 and the third component 103 is such that the force transmission requirement is met.

Example two:

as shown in fig. 2, the second embodiment of the present invention is suitable for connecting the reinforcing bars to be immovable and unrotatable. In this embodiment, the novel steel bar mechanical connection standardized complete set device 200 includes a first component 201 and a second component 202 which are connected in a sleeved manner, the first component 201 is a screw rod which is welded at one end of the first connecting steel bar 210 and has an annular thread on the outer side, the second component 202 is a sleeve which is sleeved on the first component 201, wherein the inner side of the sleeve is provided with the annular thread, and the outer side of the sleeve is provided with the thread; the third component 203 is an outer sleeve, the inner side of the third component 203 is provided with threads, one end of the third component can be in threaded connection with the outer side of the sleeve of the second component 202, and the other end of the third component can be in threaded connection with a long threaded screw of the fifth component 205 welded with the end part of the other second connecting steel bar 220; the fourth component 204 is an adjusting screw, and includes a base 2040, a connecting portion 2041 located at one end of the base 2040 and inserted into the middle of the end of the screw of the fifth component 205, and a protruding guiding portion 2042 located at the other end of the base 2040, where the guiding portion 2042 and a guiding positioning hole 2011 provided in the first component 201 at the end of the first connecting reinforcement 210 are guided and aligned with each other, so as to facilitate the aligned connection between the first connecting reinforcement 210 and the second connecting reinforcement 220.

In practical operation, the first connecting bar 210 is welded (using but not limited to friction welding) to the first component 201, the second connecting bar 220 is welded (using but not limited to friction welding) to the fifth component 205, and continuing, in a first step, the fourth component 204 is screwed into the fifth component 205; secondly, screwing the third component 203 to the screw of the fifth component 205; thirdly, the second connecting steel bar 220 is put in place, the fourth component 204 is screwed, and the guide part 2042 of the fourth component 204 is pushed into the positioning hole 2011 arranged at the end part of the first component 201 and is tightly pushed; fourthly, the third component 203 is sleeved on the second component 202, the inner side of the third component 203 is provided with regular threads, the outer side of the second component 202 is provided with regular threads matched with the threads on the inner side of the third component 203, the third component 203 is screwed to the end part diameter enlargement 2021 of the second component 202, then the second component 202 is reversely screwed to reach a specified pre-tightening torque, so that the fifth component 205 is fully tightened with the first component 201, and the first connecting steel bar 210 is connected with the second connecting steel bar 220 through the mechanical meshing action of the components. The diameter expansion part 2021 of the second assembly 202 has a hexagonal periphery for facilitating wrench fastening, and the end part can be provided with a tapered tooth socket for engaging with a mating tapered gear to realize electric tightening; the periphery of the diameter expansion part 2021 of the second assembly 202 can also be provided with a rectangular tooth socket which can be meshed with a matched electric gear to realize electric tightening; the outer side of the second component 202 can adopt a groove form, so that the third component 203 can be conveniently sleeved in the groove; the fourth component 204 functions to: when the first component 201 and the fifth component 205 are installed with a gap, the length of the screwing of the fourth component 204 can be adjusted, so that the first component 201 and the fifth component 205 are tightly pressed; the length of the threaded engagement of the second component 202 with the third component 203 should meet the force transfer requirement, and the length of the threaded engagement of the third component 203 with the fifth component 205 should meet the force transfer requirement.

Example three:

as shown in fig. 3, the third embodiment of the present invention is applicable to the movable and non-rotatable connecting bars. In this embodiment, the novel steel bar mechanical connection standardization complete set 300 comprises a first component 301 and a second component 302 which are connected in a sleeved manner, wherein the first component 301 is a threaded screw welded at one end of a first connecting steel bar 310, and the second component 302 is a sleeve sleeved on the first component 301, wherein the inner side of the sleeve is provided with an annular thread, and the outer side of the sleeve is provided with a thread; and a third component 303, wherein the third component 303 is an outer sleeve, the inner side of the third component 303 is provided with threads, one end of the third component can be in threaded connection with the outer side of the sleeve of the second component 302, the other end of the third component can be in threaded connection with the end part of another second connecting steel bar 320, and the end part of the second connecting steel bar 320 is processed with threads.

As a further concrete implementation of the utility model, be applicable to in concrete work progress and wait that the connecting reinforcement is portable can not rotate. In practice, the first connecting bar 310 is welded (using but not limited to friction welding), the end of the second connecting bar 320 is threaded, and the first step, in which the third assembly 303 is pushed onto the second assembly 302, the inside of the third assembly 303 is conventionally threaded, the outside of the second assembly 302 is conventionally threaded to mate with the inside of the third assembly 303, and the third assembly 303 is screwed to the end of the second assembly 302 with an enlarged diameter 3021; and secondly, the second connecting steel 320 is sleeved into the third assembly 303 in a threaded mode, the third assembly 303 is screwed to enable the second connecting steel 320 to be close to the first assembly 301, the third assembly 303 is screwed to reach a specified screwing torque, and the first assembly 301 and the second connecting steel bar 320 are fully pressed. The first connecting reinforcing bar 310 and the second connecting reinforcing bar 320 realize reinforcing bar connection through the mechanical engagement of the components. The diameter of the enlarged part 3021 of the second component 302 may be hexagonal, which is convenient for wrench fastening, and the end may be provided with a conical tooth socket, which may engage with a mating conical gear to realize electric tightening; the periphery of the diameter expansion part 3021 of the second assembly 302 may also be provided with a rectangular tooth socket, which may be engaged with a mating electric gear to realize electric tightening. Meanwhile, the outer side of the second group 302 can adopt a groove form, so that the third component 303 can be conveniently sleeved in the groove form.

Example four:

as shown in fig. 4, the fourth embodiment of the present invention is applicable to the first connecting bars 410 being immovable and unrotatable, and the second connecting bars 420 being movable and unrotatable. In this embodiment, the novel steel bar mechanical connection standardization complete set 400 includes a first component 401 and a second component 402 which are connected in a sleeved manner, wherein the first component 401 is an annular threaded screw welded to one end of a first connecting steel bar 410 and is a short screw; the second assembly 402 is a sleeve sleeved on the first assembly 401, wherein the inner side of the sleeve is provided with an annular thread, the outer side of the sleeve is provided with a thread, and the first assembly 401 and the second assembly 402 are nested into a whole part; and a third component 403, wherein the third component 403 is an outer sleeve, the inner side of the outer sleeve is provided with threads, one end of the third component is screwed with the outer side of the sleeve of the second component 402, the other end of the third component is screwed with the end of another second connecting steel bar 420, and a section of threads are processed on the end of the second connecting steel bar 420.

In a practical operation, the first connecting bar 410 is welded (friction welding may be used but not limited to) with the first component 401; the second connecting steel bar 420 is provided with a long thread; continuing, in a first step, the third assembly 403 is screwed onto the second connecting reinforcement 420; secondly, sleeving a third component 403 to a second component 402, wherein the inner side of the third component 403 is provided with conventional threads, and the outer side of the second component 402 is provided with conventional threads matched with the threads on the inner side of the third component 403; screwing the third assembly 403 to the end part of the second assembly 402 with the enlarged diameter 4021 and then screwing the second assembly 402 reversely to reach a specified pre-tightening torque, so that the first assembly 401 is sufficiently tightly pressed against the second connecting steel bar 420; the first connecting bar 410 and the second connecting bar 420 are effectively connected by mechanical engagement of the components. In addition, the diameter expansion part 4021 of the second component 402 can be hexagonal at the outer periphery to facilitate wrench fastening, and the end part can be provided with a conical tooth socket to be meshed with a matched conical gear to realize electric tightening; the periphery of the electric wrench can also be provided with a rectangular tooth socket which can be occluded with a matched electric gear to realize electric tightening; the outer side of the second component 402 is in the form of a groove, so that the third component 403 can be conveniently sleeved in the groove.

Example five:

as shown in fig. 5, the fifth embodiment of the present invention is applicable to the first connecting bar 510 being immovable and unrotatable, and the second connecting bar 520 being movable and unrotatable. In this embodiment, the novel steel bar mechanical connection standardization complete device 500 includes a first component 501 and a second component 502 which are connected in a sleeved manner through an annular thread, the first component 501 is a threaded sleeve which is connected to the end of one end of the first connecting steel bar 510 in a threaded manner, and the outer side of the first component 501 is provided with an annular thread; the second assembly 502 is an outer sleeve sleeved on the first assembly 501, wherein the inner side of the outer sleeve is provided with annular threads, and the first assembly 501 and the second assembly 502 are nested into a whole through the annular threads; the other end of the second assembly 502 can be connected with the end of the second connection steel bar 520 through a screw thread, wherein the end of the second connection steel bar 520 is provided with a section of screw thread.

In practical operation, the first connection bar 510 is threaded, and the second connection bar 520 is threaded; continuing, in a first step, the first assembly 501 is screwed into the threads of the first connecting bar 510; in a second step, the second connecting bar 520 is screwed into the second assembly 502, the second assembly 502 is screwed so that the second connecting bar 520 is close to the first connecting bar 501, and the second assembly 502 is screwed to a predetermined tightening torque so that the first connecting bar 510 and the second connecting bar 520 are sufficiently tightened. The first connecting bar 510 and the second connecting bar 520 are coupled by mechanical engagement of the components.

Example six:

as shown in fig. 6, the sixth embodiment of the present invention is applicable to the first connecting steel bar 610 being immovable and unrotatable, and the second connecting steel bar 620 being movable and unrotatable. In this embodiment, the novel steel bar mechanical connection standardization complete device 600 includes a first component 601 and a second component 602 which are connected in a sleeved manner through an annular thread, wherein the first component 601 is a sleeve of a threaded screw rod which is threaded and processed at an end of one end of a first connecting steel bar 610, and the outer side of the first component is provided with an annular thread; the second assembly 602 is an outer sleeve sleeved on the first assembly 601 through annular threads, wherein the inner side of the outer sleeve is provided with the annular threads, and the first assembly 601 and the second assembly 602 are nested into a whole through the annular threads; the other end of the second assembly 602 may be screwed with the end of the second connection bar 620, wherein a thread is formed at the end of the second connection bar 620.

In a practical operation, the end of the first connecting steel bar 610 is threaded, and the end of the second connecting steel bar 620 is threaded, wherein the end of the first connecting steel bar 610 is threaded longer; continuing, in a first step, the first assembly 601 is screwed to the thread of the first connecting bar 610; and secondly, screwing the second connecting steel bar 520 into the second assembly 602, screwing the second assembly 602 to enable the whole part formed by nesting the first assembly 601 and the second assembly 602 to be sleeved towards the second connecting steel bar 620 to meet the thread engagement length, screwing the second assembly 602 to reach a specified screwing torque, and enabling the first connecting steel bar 610 and the second connecting steel bar 620 to be fully screwed. The first connecting reinforcement 610 and the second connecting reinforcement 620 are coupled by mechanical engagement of the components. Compared with the fifth embodiment, the screw rod of the fifth embodiment is shorter than the length of the whole part in which the first assembly 601 and the second assembly 602 are nested, and the length is only slightly larger than half, and the small diameter of the thread at one end of the connecting steel bar of the second assembly 602 is larger than the large diameter of the thread at the end of the first connecting steel bar 610. Thus, from a functional point of view, the difference between the two embodiments is: embodiment 6 is applicable to a case where the first connecting reinforcement 610 and the second connecting reinforcement 620 are installed at a short distance; the second assembly 602 is integrally sleeved on the long screw rod of the first connecting steel bar 610, so that the second assembly 602 can be sleeved on the end of any one side of the first connecting steel bar 610 or the second connecting steel bar 620, and during operation, the second assembly 602 is screwed down to enable the second connecting steel bar 620 to be tightly propped against the first connecting steel bar 610, and then installation is completed; in embodiment 5, the screw threads at the ends of the first connecting bar 510 and the second connecting bar 520 are the same in length, and the small diameter of the screw thread at the side of the second assembly 502 where the connecting bars are connected is the same as the small diameter of the screw thread at the inner side of the first assembly 501, which is suitable for the situation where the second connecting bar 520 can freely penetrate into the second assembly 502.

Example seven:

as shown in fig. 7, a novel steel bar mechanical connection standardized set device when the connected steel bar is difficult to rotate freely, which is a popular standardized connection joint for set production, and is suitable for the connection steel bar to be immovable and unrotatable.

In the seventh embodiment, the novel steel bar mechanical connection standardization complete set 700 comprises a second component 702 and a third component 703 which are connected in a sleeved manner, the first component 701 is a threaded screw welded to one end of the first connection steel bar 710, the second component 702 is a sleeve which is connected to the first component 701 in a threaded manner, wherein the outer side of the sleeve is provided with an annular thread, and the inner side of the sleeve is provided with a thread; the connecting structure comprises a third component 703 and a fourth component 704, wherein the third component 703 is an outer sleeve, an annular thread is arranged on the inner side of the outer sleeve, one end of the third component 703 can be connected with the annular thread on the outer side of the sleeve of the second component 702 in a sleeved mode, the second component 702 and the third component 703 are nested into a whole, one end of the third component 703 can be connected with the end part of another second connecting steel bar 720 through the thread, and the end part of the second connecting steel bar 720 is processed with the thread; the fourth component 704 is an adjusting screw, and includes a base 7040, a connecting portion 7041 located at one end of the base 7040 and penetrating into the middle of the screw end of the first component 701, and a protruding guiding portion 7042 located at the other end of the base 7040; the guide portion 7042 is aligned with the guide positioning hole 7201 formed at the end of the second coupling bar 720, thereby facilitating the alignment between the first coupling bar 710 and the second coupling bar 720.

In actual construction or machining operations, the first connecting bar 710 is welded (using but not limited to friction welding) to the first assembly 701, and the end of the second connecting bar 720 is threaded; continuing, in a first step, the second component 702 and the third component 703 are nested as one part, and the second component 702 is screwed onto the first connecting bar 710; secondly, screwing the fourth component 704 into the first component 701; thirdly, placing the second connecting steel bars 720 in place, screwing the fourth component 704, and jacking the guide heads 7042 of the fourth component 704 into the positioning holes 7201 at the end parts of the second connecting steel bars 720 and tightly jacking the guide heads; fourthly, screwing the second assembly 702 to enable the third assembly 703 to be sleeved on the second connecting steel bar 720, simultaneously screwing the second assembly 702 and the third assembly 703, enabling the second assembly 702 to be fixed after the meshing length of the threads of the third assembly 703 and the threads of the second connecting steel bar 720 meets the stress requirement, screwing the third assembly 703 to reach a specified screwing torque, and enabling the first assembly 701 and the second connecting steel bar 720 to be fully pressed; the first connecting steel bar 710 and the second connecting steel bar 720 are connected through the mechanical meshing action of all components; in addition, the periphery of the expanded part 7021 of the second component 702 can be hexagonal, so that the spanner can be fastened conveniently, the end part can be provided with a conical tooth socket, the conical tooth socket can be meshed with a matched conical gear to realize electric screwing, and the periphery can also be provided with a rectangular tooth socket, so that the rectangular tooth socket can be meshed with a matched electric gear to realize electric screwing; the outer side of the third component 703 is in the form of a groove, so that the third component 703 can be smoothly sleeved on the thread of the second connecting steel bar 720. The fourth component 704 is used for adjusting the screwing length of the fourth component 704 when the first component 701 and the second connecting steel bar 720 are installed with a gap, so that the first component 701 and the second connecting steel bar 720 are tightly pressed; the length of the threaded engagement of the second component 702 with the first component 701 should meet the force transfer requirement, and the length of the threaded engagement of the third component 703 with the second connecting reinforcement 720 should meet the force transfer requirement.

Example eight:

as shown in fig. 8, the eighth embodiment of the present invention is suitable for the connection bars to be immovable and unrotatable. In this embodiment, the novel steel bar mechanical connection standardization complete set 800 includes a first component 801, a second component 802 and a third component 803 which are connected in a sleeved manner, the first component 801 is a threaded screw welded to an end of the second connecting steel bar 820, the second component 802 is a sleeve which is connected to an end processing screw at one end of the first connecting steel bar 810 in a threaded manner, the outer side of the sleeve is provided with an annular thread, and the inner side of the sleeve is provided with a conventional thread; the third assembly 803 is an outer sleeve, the inner side of the third assembly 803 is provided with annular threads, one end of the third assembly is nested with the annular threads of the second assembly 802, and the other end of the third assembly can be connected with a threaded screw rod welded at the end part of another second connecting steel bar 820 through threads; the fourth component 804 is an adjusting screw, and includes a base portion 8040, a connecting portion 8041 located at one end of the base portion 8040 and extending into the middle of the end portion of the long-thread screw welded to the end portion of the second connecting reinforcement 820, and a protruding guide portion 8042 located at the other end of the base portion 8040, wherein the guide portion 8042 and a guide positioning hole 8101 provided at the center of the end portion processing screw of the first connecting reinforcement 810 are guided and aligned with each other, so as to facilitate the aligned connection between the first connecting reinforcement 810 and the second connecting reinforcement 820.

In actual construction or processing operation, the first connecting steel bar 810 and the second connecting steel bar 820 are fixed and fixed; the end of the second connecting steel bar 820 is welded with a threaded screw 801 (which can be welded by using but not limited to dry friction welding), and the end of the first connecting steel bar 810 is processed with a long thread; continuing, in a first step, the second component 802 and the third component 803 are nested into one piece, and the second component 802 is screwed on the long thread processed at the end of the first connecting steel bar 810, so that the piece formed by nesting the second component 802 and the third component 803 is integrally positioned on the first connecting steel bar 810; secondly, screwing the fourth component 804 into a welding threaded screw at the end of the second connecting steel bar 820; thirdly, the second connecting steel bar 820 is put in place, the fourth component 804 is screwed, so that the guide portion 8042 of the fourth component 804 is jacked into the positioning hole 8101 at the end of the first connecting steel bar 810 and is tightly jacked; fourthly, screwing the second assembly 802 to enable the third assembly 803 to be sleeved on the first assembly 801, simultaneously screwing the second assembly 802 and the third assembly 803 to enable the second assembly 802 to be fixed after the meshing length of the threads of the third assembly 803 and the first assembly 801 meets the stress requirement, and screwing the third assembly 803 to achieve a specified screwing torque to enable the first assembly 801 and the first connecting steel bar 810 to be fully pressed; the first connecting steel bar 810 and the second connecting steel bar 820 are connected through the mechanical meshing action of all components; the diameter of the enlarged part 8021 of the second component 802 can be hexagonal at the periphery for facilitating the fastening of a wrench, and the end part can be provided with a conical tooth socket for matching; the conical gears are meshed to realize electric tightening; of course, the periphery can also be set up to the rectangle tooth's socket, can with supporting electronic gear interlock, realize electronic the screwing up. The outer side of the third component 803 adopts a groove form, so that the third component 803 can be conveniently sleeved into the thread of the first component 801; the fourth component 804 has the function that when the first component 801 and the first connecting steel bar 810 are installed with a gap, the screwing length of the fourth component 804 can be adjusted, so that the first component 801 and the first connecting steel bar 810 are tightly pressed; the length of the thread engagement of the end of the first assembly 801 should meet the force transmission requirement, and the length of the thread engagement of the second assembly 802 and the first connecting reinforcement 810 should meet the force transmission requirement.

In a word, through the expression of above-mentioned embodiment can be clear and definite discover compare with the grout sleeve connected mode of prior art, the utility model discloses can do not need the grout material and rely on mechanical connection to realize two precast concrete members, steel reinforcement cage or other reliable connections of reinforcing bar spare, the connected mode is simple, effectual, can have the selection of one of multiple embodiment to eight kinds of subassembly structures of embodiment according to the position, installation conditions etc. of the reinforcing bar spare that need connect, and can effectively overcome various connecting reinforcement installation errors or other defects; so, this patent technique can be more nimble adaptation site operation's various condition, and the expense is low, effectual, easy operation.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a novel reinforcing bar mechanical connection standardization complete set device, connects in the tip of reinforcing bar spare, includes first connecting reinforcement and second connecting reinforcement, its characterized in that it includes:

the first component and the second component are nested with each other, and the second component is nested outside the first component through an annular thread; the first component is a screw rod arranged at the end part of the steel bar piece, and the second component is a sleeve;

the device also comprises a third component which is an outer sleeve;

and optionally, a fourth component is included, and the fourth component is an adjusting screw connected to the end parts of the two steel bar pieces.

2. A novel standardized set of apparatus for connecting reinforcing bars as claimed in claim 1, wherein the fourth member comprises a base portion, a connecting portion at one end of the base portion and a protruding guiding portion at the other end of the base portion, the guiding portion guiding the positioning holes formed at the ends of the reinforcing members to align and connect the reinforcing members.

3. A novel steel bar mechanical connection standardization unit as claimed in claim 2, which includes a first component welded to the end of the steel bar member, wherein the first component is a screw rod provided with a circular thread; the second assembly is sleeved on the outer side of the first assembly, the second assembly is a sleeve, the inner side of the sleeve is provided with an annular thread corresponding to the annular thread of the first assembly, the first assembly and the second assembly are nested, and the outer side of the second assembly is provided with a thread; and the third component is in threaded connection with the second component, is an outer sleeve, is provided with threads on the inner side, and is in threaded connection with the outer side of the second component at one end.

4. A novel modular device for the mechanical connection of reinforcing bars, as claimed in claim 2, characterised in that it comprises: a first member welded to an end of the first connecting bar; the fifth component is welded at the end part of the second connecting steel bar, and the first component is a screw rod provided with annular threads; the second assembly is sleeved on the first assembly, the second assembly is a sleeve, the inner side of the sleeve is provided with an annular thread corresponding to the annular thread of the first assembly, the first assembly and the second assembly are nested through the annular thread, and the outer side of the second assembly is provided with a thread; the third component is in threaded connection with the second component, the third component is an outer sleeve, threads are arranged on the inner side of the third component, one end of the third component is in threaded connection with the outer side of the second component, the other end of the third component is in threaded connection with the fifth component, and the fifth component is a long screw rod; the guiding part of the fourth assembly is aligned with the guiding hole arranged in the middle of the end head of the first assembly.

5. A novel steel bar mechanical connection standardization unit as claimed in claim 1, which includes a first member welded to an end of the first connecting steel bar, the first member being a screw provided with a circular thread; the second assembly is sleeved on the first assembly, the second assembly is a sleeve, the inner side of the sleeve is provided with an annular thread corresponding to the annular thread of the first assembly, the first assembly and the second assembly are nested, and the outer side of the second assembly is provided with a thread; and the third component is in threaded connection with the second component, is an outer sleeve, is provided with threads on the inner side, is in threaded connection with the outer side of the second component at one end, and is in threaded connection with the machining threads at the end part of the second connecting steel bar at the other end.

6. The utility model provides a novel reinforcing bar mechanical connection standardization complete set device, connects in the tip of reinforcing bar spare, reinforcing bar spare includes first connecting reinforcement and second connecting reinforcement, and its characterized in that it includes: the sleeve and the outer sleeve are connected in a sleeved mode through annular threads, the sleeve is connected to the threaded screw rod at one end of the first connecting steel bar in a threaded mode, and the outer side of the sleeve is provided with the annular threads; the outer sleeve is sleeved on the sleeve, the inner side of the outer sleeve is provided with annular threads, and the sleeve and the outer sleeve are nested into a whole through the annular threads; the other end of the outer sleeve is connected with the end part of the second connecting steel bar.

7. A novel steel bar mechanical connection standardization complete set device as claimed in claim 6, wherein the length of the threaded screw rod processed at the end of the first connecting steel bar of the sleeve threaded connection changes according to the placement position of the outer sleeve.

8. The novel steel bar mechanical connection standardization unit set as claimed in claim 6, which comprises a threaded screw connected to the first connection steel bar, a sleeve threadedly connected to the threaded screw, an outer sleeve threadedly connected to the sleeve, and a threaded end of the second connection steel bar threadedly connected to the other end of the outer sleeve.

9. The new mechanical connection standardization unit for reinforcing steel bars as claimed in claim 8, wherein the threaded screw is connected to the second connecting steel bar, and the end of the first connecting steel bar is threaded.

10. The new type steel bar mechanical connection standardization unit set as claimed in claim 6, further comprising an adjusting screw, including a base of the adjusting screw, a connecting part at one end of the base and a protruding guiding part at the other end of the base, wherein the guiding part and the positioning hole provided at the end of the steel bar are mutually guided and aligned to connect the two steel bar.