CN2508037Y

CN2508037Y - Tubular matter connecting structure

Info

Publication number: CN2508037Y
Application number: CN 01267939
Authority: CN
Inventors: 刘承楚
Original assignee: Yueke Sci & Tech Co Ltd
Current assignee: Yueke Sci & Tech Co Ltd
Priority date: 2001-10-25
Filing date: 2001-10-25
Publication date: 2002-08-28
Anticipated expiration: 2011-10-25

Abstract

A consolidation structure applying in two vertically connecting tubular objects comprises a clavus, a fitted bolt, a connecting end and a jacking block, wherein one end of the connecting end is modeled and engaged with a concave arc seat of the outer diameter of the connecting tube member and the other end is formed with a hollow sleeve tube member. The circumferential tube wall of the sleeve tube member is provided with a set of axial sectional grooves which are equally spaced. The clavus and the jacking block are sequentially arranged into the tube body. Relative to the axial sectional grooves of the sleeve tube body, the clavus and the jacking block are formed with a claval body and a convex body, which are projected and extended to the outer tube surface. The outer end of the claval body is bent and tightly pressed to the bottom of the axial sectional grooves. The center of the jacking block is axially formed with a through hole or modeled with a threaded hole body, and the connecting end and the clavus which are relative to the central shaft of the jacking block are also formed with through-holes. The bolt is threaded through the connecting end, the clavus and then is screw-connected to the jacking block. When the bolt threading through the tube member is screwed to the jacking block, the jacking block is removed and the clavus is ejected, thereby the bending outer end of the claval body which is tightly pressed to the axial sectional grooves is extended outward and tightly pressed to tube wall, and the fixing function of fastening and pressing is achieved.

Description

The consolidation structure of pipe

Technical field

The utility model relates to a kind of link, refers to a kind of consolidation structure of pipe especially.

Background technique

Many articles for daily use or tubular products are common to be key as supporting with metal tube, and the winding of common metal pipe, if the form of permanent fixation, it utilizes welding manner that the phase jointed tubular workpieces is connected more, and the pipe fitting framework of loose joint formula, it is fixing then how to be worn knot by bolt element, being beneficial to row disassembles again, and relevant this kind worn the known form of knot locking pipe fitting with bolt element, handing over two pipe fittings that join to hang down is example, it mainly is to plug a claw-like retaining ring in the pipe end inside of one overlap joint pipe fitting, it is to make its ring body inwardly that the plug of this claw-like retaining ring is established form, and the corpus unguis that oblique extension supports outwardly, can forward fill in and the unidirectional clip that can't pull out supports tailor-made usefulness to produce one, its ring body center moulding one screw again, another pipe fitting that joins then radially wears through hole on its pipe fitting, thereby utilize a bolt to place the center screw that through hole is bolted in the claw-like retaining ring, with the bolt packing two pipe fitting Joints of borrowing spiral shell to advance.

The detailed above-mentioned two vertical employed claw-like retaining rings of phase jointed tubular workpieces of handing over of seeing, it is only to utilize oblique extension and the corpus unguis ora terminalis that supports fastens the inner tubal wall in pipe fitting basically, strictly speaking, this annular corpus unguis ora terminalis is the annular conflict form of a wire with respect to tube wall, just like a ring plate plug is butted in the pipe, when pipe fitting as yet not winding or give dismounting temporarily after, this claw-like fixedly ring taps in pipe and pipe fitting as if being subjected to external force collision, the easy deflection of claw-like retaining ring, and make the screw at its center non-for just axial, cause bolt to align smoothly and be screwed into, cause to take out the claw-like retaining ring, give again and reinstalling, or aligned, quite trouble.

Summary of the invention

The purpose of this utility model promptly is to provide a kind of consolidation structure of pipe, and one utilizes the order of special adapter assembly to hang down mutually connects fixed pipe fitting and have better combination convenience and steadiness.

For achieving the above object, solution of the present utility model is: a kind of consolidation structure of pipe, include a calvus and cooperate a bolt, wherein also include a connecting head and a jacking block, this connecting head cooperates the concave-arc base of phase jointed tubular workpieces external diameter in an end moulding, end then forms sleeve part empty in addition, the ring Zhou Guanbi of this sleeve part is equidistant from being provided with one group of axial profile groove, its body inside is inserted calvus and jacking block in regular turn, and being the axial profile groove of relative sleeve body, this calvus and jacking block form corpus unguis and the convex body that protrudes out to outer tube surface, the outer end of this corpus unguis is bending and abuts against bottom in axial profile groove, at the central shaft of jacking block to forming perforation and setting or moulding one screw body, the central shaft of this connecting head and the relative jacking block of calvus is to also being formed with perforation, and bolt passes connecting head, spiral shell is tied in jacking block behind the calvus.

The consolidation structure of described pipe, wherein the cover of this sleeve body and built-in jacking block is shaped to the awl inclined-plane to inner tube surface and outer ring surface.

After adopting such scheme, the connecting head of built-in calvus and jacking block is connected to the pipe end of pipe fitting with its sleeve body plug, another pipe fitting of radially presetting through hole then is overlapped in the connecting head concave-arc base of end in addition, and make the bolt of wearing the knot pipe fitting when spiral shell advances jacking block, making jacking block be drawn moves and the ejection calvus, and then force the corpus unguis that abuts against in axial profile groove bottom to bend the protruding tube wall inner face that is closely against in outer end, form a fixation that fastens.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 cooperates the scheme of installation of pipe fitting for the utility model;

Fig. 3 cooperates the user mode schematic representation () of pipe fitting assembling for the utility model;

Fig. 4 cooperates the user mode schematic representation (two) of pipe fitting assembling for the utility model.

(1) connecting head (11) concave-arc base

(12) the axial profile groove of sleeve body (121)

(122) awl inclined-plane (13) perforation

(2) calvus (21) corpus unguis

(22) perforation (3) jacking block

(31) convex body (32) perforation

(33) screw body (34) awl inclined-plane

(4) bolt (5) (6) pipe fitting

Embodiment

As shown in Figure 1, the utility model is used for pipe fitting, and hang down to hand over the consolidation structure that joins mainly be to include a connecting head 1, a calvus 2, a jacking block 3 and cooperate a bolt 4, and establishing that it is relative connects form and be configured to:

This connecting head 1 moulding at one end cooperates the concave-arc base 11 of phase jointed tubular workpieces external diameter, end then forms sleeve body 12 empty in addition, the ring Zhou Guanbi of this sleeve body 12 is equidistant from being provided with a plurality of axial profile grooves 121, and its inner tube surface is shaped to an awl inclined-plane 122, and makes body inside can insert calvus 2 and jacking block 3;

The axial profile groove 121 of the above-mentioned relatively sleeve body 12 of this calvus 2 forms the corpus unguis 21 that protrudes out to outer tube surface, and the outer end of this corpus unguis 21 is bending and abuts against in the bottom of axial profile groove 121;

This jacking block 3 is that the axial profile groove 121 of above-mentioned relatively sleeve part 12 forms the convex body 31 that protrudes out to outer tube surface, and at the central shaft of block to forming perforation 32, and (this can be a nut to set a screw body 33, but also this screw body 33 of straight forming), and make the oblique inner tube surface of awl of the corresponding sleeve body 12 of outer ring surface of jacking block 3 form awl inclined-plane 34, push the packing effect of putting deeply and have relative sleeve body 12; Above-mentioned connecting head 1 bores a

hole

12,22 with the central shaft of calvus 2 relative jacking blocks 3 to also respectively being formed with, and spiral shells are tied in this jacking block 3 after supplying bolt 4 to pass connecting head 1, calvus 2.

So as to above-mentioned by connecting head 1, calvus 2 is connected two pipe fittings 5 that hang down and hand over the joint type consolidation structure that jacking block 3 is formed, 6 o'clock, as Fig. 2, shown in 3, insert calvus 2 and jacking block 3 in regular turn in sleeve body 12 inside of connecting head 1, and this sleeve body 12 is filled in the pipe end that is connected to pipe fitting 5, and pipe fitting 6 of another radially default through hole 61 is overlapped in connecting head 1 concave-arc base 11 of end in addition, then place the through hole 61 of pipe fitting 6 and pass connecting head 1 with bolt 4, calvus 2 spiral shells are tied in jacking block 3, it rotates when making inner segment screw thread key spiral shell advance jacking block 3 when bolt 4 butt pipe fittings 6, as shown in Figure 4, but making jacking block 3 be drawn by bolt 4 moves and ejection calvus 2, this calvus 2 one is pushed against, except that the bending outer end that makes its corpus unguis 21 abuts against in the bottom of axial profile groove 121, bolt 4 is after spiral shell advances more, promptly force abut against protruding and can be closely against the tube wall inner face in this corpus unguis 21 bending outer ends of axial profile groove 121 bottoms, fasten fixation to form one, and this calvus 2 fastens tube wall except that can fixing with its corpus unguis 21 bending outer ends, other cooperates jacking block 3 to stretch to place with its convex body 31 to be butted on tube wall mutually outside the sleeve body 12 axial profile grooves 121 and the end pushes against calvus 2 simultaneously, then constitutes a positioning function that is difficult for loosening deflection.

Claims

1, a kind of consolidation structure of pipe, include a calvus and cooperate a bolt, it is characterized in that: also include a connecting head and a jacking block, wherein this connecting head cooperates the concave-arc base of phase jointed tubular workpieces external diameter in an end moulding, end then forms sleeve part empty in addition, the ring Zhou Guanbi of this sleeve part is equidistant from being provided with one group of axial profile groove, its body inside is inserted calvus and jacking block in regular turn, and being the axial profile groove of relative sleeve body, this calvus and jacking block form corpus unguis and the convex body that protrudes out to outer tube surface, the outer end of this corpus unguis is bending and abuts against bottom in axial profile groove, at the central shaft of jacking block to forming perforation and setting or moulding one screw body, the central shaft of this connecting head and the relative jacking block of calvus is to also being formed with perforation, and bolt passes connecting head, spiral shell is tied in jacking block behind the calvus.

2, the consolidation structure of pipe as claimed in claim 1 is characterized in that: the cover of this sleeve body and built-in jacking block supports inner tube surface and outer ring surface is shaped to the awl inclined-plane.