CN2221627Y

CN2221627Y - Building steel bar connecting device

Info

Publication number: CN2221627Y
Application number: CN 94222469
Authority: CN
Inventors: 游春铭
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-09-21
Filing date: 1994-09-21
Publication date: 1996-03-06
Anticipated expiration: 2004-09-21

Abstract

The utility model relates to a building steel bar connecting device, comprising one group of connecting pipes which are connected into an integral body, and two forced sheets. Coarse accessorial threads are prefabricated on the outer margins of the connecting pipes, oblique conical through holes are penetrated in the connecting pipes from different directions, and the circumferences of the connecting pipes are penetrated by the oblique conical through holes. The two forced sheets are aluminum ring sheets which are approximately in the shapes of half cones, and convex threads are prefabricated on the inner margins of the two forced sheets. The oblique degrees of the outer margins of the two forced sheets are corresponding to the oblique degrees of the oblique conical through holes of the connecting pipes. When the building steel bar connecting device is connected, steel bar sleeves are inserted into the connecting pipes, and then, the forced sheets are covered on the outer side margin of the steel bars. The two steel bars are pulled towards both sides, the forced sheets are deformed to be close abutted between the connecting pipes and the steel bars by the matching of the oblique conical through holes of the connecting pipe and the forced sheets, and thereby, the connection of the steel bars is completed.

Description

The building iron coupling device

The utility model relates to a kind of building iron coupling device, and it utilizes one group of disjunctor conjugation tube, cooperates two packing sheets, finishes the joint of two reinforcing bars.

The Building technology high development, the ability of building high building is more and more strong, yet with regard to the structure of building, both made what is called " reinforcing bar structure building ", the structure design that does not still break away from steel concrete, generally because of utilizing reinforcing bar and concrete cooperation, no matter all be better than other construction method, thereby still be the main flow of Building technology so far in structural strength, seismic resistance aspect.

General reinforcing bar, in manufacturing is that certain specification is arranged, reinforcing bar before grouting is set up in the operation, often need optionally reinforcing bar be made appropriate cutting or joint, and the invar muscle is to be the skeleton of a building, whole structural strength and safety concern, thereby whether the setting up well of reinforcing bar, both very bad for decision building structure, the especially joint of reinforcing bar tie up establish whether firm, influence the main cause of Building Structural Safety behind the order especially, really be worth special and pay attention to.

Engage to tie up with traditional reinforcing bar and establish, as shown in Figure 1, mainly end to end mutually also, establish around tying up with the iron wire bundle again, to keep the engagement state of two reinforcing bars with two reinforcing bars; And with the construction of this method, iron wire often needs the winding reinforcing bar to reverse after a few to screw again, and is very consuming time; The meticulous phenomenon that both easily causes the bonding strength deficiency of while iron wire, and if use thicker iron wire then very to expend strength; Because of very easily corrosion of iron wire, will definitely influence the joint effect of reinforcing bar in addition; When causing meeting with earthquake, this reinforcing bar joint is easily loosening in the future, influences the structural safety of building; Moreover, tie up with these iron wires and to establish, if tying up, construction wrong and causing establishes when insecure, the unexpected storms that Chang Yi causes building produces.

In view of this, the purpose of this utility model is to provide a kind of building iron coupling device, and it utilizes embedded structure, makes the joint of reinforcing bar both simple, laborsaving, again safety, firm.

For achieving the above object, the building iron coupling device that the utility model provides is to utilize one group of disjunctor conjugation tube to insert for two reinforcing bars cover, cooperate two oblique cone packing sheets with its default oblique cone shape through hole, both can make the packing sheet distortion and closely support in the oblique cone through hole under the pressure of conjugation tube to pull action easily, finish the joint of two reinforcing bars, wherein:

This disjunctor conjugation tube periphery is shaped on the coarse line that helps in advance and reaches the not perforation of given shape, make it when grouting, make concrete flow in the through hole of conjugation tube and reinforcing bar is formed covered effect closely, and help line and form the obstruct strengthening structure effect that similar reinforcing bar helps line to reach by it by perforation.

This two packing sheet adopts aluminum material to make, and be shaped on irregular burr in advance in inner edge, and can form the blocking effect with the reinforcing bar burr, utilize the aluminum material hardness characteristic soft simultaneously than reinforcing bar, make packing sheet distortion and tight supporting, form and engage effect closely under the pressure of in the conjugation tube through hole.

For enabling that structure composition of the present utility model and technical characterictic are obtained more deep and concrete understanding, only the conjunction with figs. formula is discussed in the back:

Fig. 1 commonly uses iron wire to tie up the reinforcing bar joint schematic diagram of establishing.

Fig. 2 is STRUCTURE DECOMPOSITION figure of the present utility model.

Fig. 3 is the utility model in the structural representation of engagement state not.

Fig. 4 is the structural representation of the utility model in engagement state.

Fig. 5 is the structural representation of the utility model in grouting.

See also shown in Figure 2, the utility model coupling device mainly comprises one group of disjunctor conjugation tube 10 and two

packing sheets

21,22, this disjunctor conjugation tube 10 is by two bodys and connect and form, be shaped on the coarse line 13 that helps in advance in conjugation tube 10 outer rims, and provided oblique cone shape through hole 11 with different directions respectively in two body inside, 12, and run through oblique cone through hole 11 with the perforation 14 of given shape not by periphery, 12, and this two oblique cones through

hole

11,12 in providing seasonal two bodys and connecting side maintenance linear state, to keep straight that reinforcing bar engages, and this two

packing sheet

21,22 are made by aluminium matter or other material softer than the reinforcing bar quality, it roughly is the half cone-shaped ring plate, the corresponding through hole 11 of its outer rim gradient, 12 gradient, and its inner rim is semicircle groove 23, and is shaped on irregular burr 24 in advance, so that

packing sheet

21,22 can be overlying on the reinforcing bar; According to this, utilize this disjunctor conjugation tube 10 to insert, again with the cooperation of the oblique cone through

hole

11,12 and the

packing sheet

21,22 of conjugation tube 10, to pull 21,22 distortion of mode packing sheet and closely to support, and then finish the joint of reinforcing bar under the pressure of in the conjugation tube 10 for the reinforcing bar cover.

See also shown in Fig. 3 to 5, the utility model is when implementing, two

reinforcing bars

31,32 are through to oblique cone through hole 11 by the narrower end insertion of conjugation tube 10 bores respectively, 12 bore broads, one end, make packing sheet 21 again, 22 according to corresponding through

hole

11,12 form and be overlying on reinforcing

bar

31,32 lateral border, again with reinforcing bar 31, the 32 past narrower ends of bore are pulled back, make

packing sheet

21,22 take advantage of a situation enters oblique cone through hole 11, in 12, because of packing sheet 21, the characteristic that 22 aluminum material hardness is soft than reinforcing bar, cooperate

packing sheet

21,22 inner edge burr 24 and reinforcing

bar

31,32 the blocking effect that helps line 33 to form, make

packing sheet

21,22 with reinforcing

bar

31,32 enter oblique cone through

hole

11,12 backs are difficult for breaking away from, and invar

muscle

31,32 continue back to pull and cause

packing sheet

21,22 are out of shape and tight supporting under the pressure of reinforcing

bar

31,32 and through

hole

11,12, form and engage effect closely, its assembling joint action is not only simple and easy, when the mistake dress is not inconsistent the reinforcing bar of specification accidentally simultaneously, also can make reinforcing bar run through through hole once more easily and take off packing sheet, reach the purpose that engages again; In addition when engaging post-grouting, perforation 14 designs by these conjugation tube 10 peripheries, make concrete 40 flow in the through

holes

11,12 and reinforcing

bar

31,32 is formed covered effect closely via perforation 14, and form the effect that similar reinforcing bar helps the obstruct strengthening structure that line reaches by the helping line 13 design of conjugation tube 10 outer rims, make it can commonly use iron wire in the structural strength aspect and tie up the juncture of establishing and obtain the effect more consolidated.

In sum, the utility model is formed via structure Design, on the joint action of reinforcing bar, can obtain simple and easy fast enforcement, and the iron wire that the tight effect of its joint and structural strength all are better than commonly using is tied up and is established joint, safety of structure for building really has sizable benefiting, and the juncture of its innovation loses for difficulty of construction, cost and construction mistake and all can be improved, and has splendid industrial utilization in fact, not less than being an excellence, outstanding design.

Claims

A kind of building iron coupling device, it is characterized in that comprising one group of disjunctor conjugation tube and two packing sheets, this disjunctor conjugation tube is by two bodys and connect and form, be shaped on the coarse line that helps in advance in the conjugation tube outer rim, and two body inside have provided the oblique cone shape through hole with different directions respectively, and run through the oblique cone through hole with the perforation of given shape not by periphery, this two oblique cones through hole keeps linear state in providing seasonal two bodys and connecting side, straight after keeping reinforcing bar and engaging, and this two packing sheet is an aluminium matter lamellar body, and it roughly is the half cone-shaped ring plate, and its outer rim gradient is corresponding to the through hole gradient, its inner rim then is semicircle groove, and is shaped on irregular burr in advance; This packing sheet can be overlying on the reinforcing bar, and disjunctor conjugation tube and reinforcing bar cover are inserted, and again with the oblique cone through hole of conjugation tube and the cooperation of packing sheet, makes packing sheet distortion and tight supporting under the pressure of in the conjugation tube to pull mode, thereby finishes the joint of reinforcing bar.