CN2445168Y - Quick-joint pipe fitting and valve - Google Patents

Abstract

The utility model relates to a quick-joint pipe fitting and valves. A sealing piece, a protective piece, a fastener and a connecting piece are in turn sheathed in a concave table on the head of the top part of connecting pipes. The pipe fittings and valves are connected with the connecting pipe. The utility model is characterized in that the quick-joint pipe fitting and valves has the characteristics of easy installation, high sealing property, unchanged diameter of the passage, and fluent flow, without producing shreds in the pipes, and quickly and firmly connecting the pipes or valves. The quick-joint pipe fittings and valves which solves the problems of complicated installation, bad connecting quality, short servicing life, etc., of the conventional pipes and valves, simplifies the pipe joint steps, overcomes various shortcomings of producing shreds in the pipe and reduces pipe pollution, which can quickly, conveniently and tightly connect pipes and valves. The utility model is an ideal matching device for quickly connecting pipes and valves.

Description

Quickly jointed tubular workpieces and valve

The utility model relates to pipeline and valve connection set, more particularly is to be used for the quickly jointed tubular workpieces and the valve that are connected as a single entity between pipeline and pipeline or the valve.

The common employed pipeline of people, especially water pipe, drink pipeline, mainly contain galvanized pipe, aluminium-plastic composite pipe, Stainless Steel Tube etc., its galvanized pipe corrosion-resistant, the easy dirt that gets rusty, the long-term use contained harmful heavy metal, encroaching on people's health, its Placement majority is that screw thread adds the sealing strip connection, pipe fitting that matches with it or valve must be made screw thread in advance on pipeline or valve connecting end, it also is exactly traditional silk of making, could realize being tightly connected, exist so on-the-spot install complicated, defective such as sealing is poor, working life is short.Along with the raising of people's living standard, this galvanized pipe and pipe fitting thereof will be eliminated; Though and aluminium-plastic composite pipe need not made silk, its poor heat resistance, the pipe fitting internal diameter is less, and flow is obstructed, and easily causes local compression excessive, makes the tubing explosion, and the thermal expansion coefficient difference of its aluminium lamination and plastic layer is big, easily produces the dislocation of expanding, and causes seepage.Though Stainless Steel Tube has the advantage in the use, but existing Placement, what have need be to make silk, crimping or impression on the former pipe at pipeline, former pipe must carry out prefabricated, and the one-off card that has is pressed and can't be dismantled, pipe range inconvenience intercepting arbitrarily, difficulty of processing is big, the on-the-spot trouble of installing had both caused waste of raw materials easily, had problems such as sealing is poor, cost of production height again.These problems have hindered applying of green tubing such as Stainless Steel Tube, and therefore, present pipeline and pipe fitting can not satisfy people's actual demand.

The purpose of this utility model is to provide a kind of can eliminate above-mentioned shortcoming, have rational in infrastructure, processing is simple, with low cost, sealing is strong, latus rectum is constant, flow is unobstructed, can realize that pipeline or valve need not to make silk, former pipe directly connects, pipe range intercepts arbitrarily, on-the-spot easy for installation, can be fast, securely with quick quickly jointed tubular workpieces and the valve that characteristics such as is connected between pipeline and pipeline or valve.

Quickly jointed tubular workpieces of the present utility model and valve are to have on pipe fitting or valve to have connecting tube; connect tube head and Sealing; guard member; fastening piece; formations such as link; wherein connecting tube can be an one with tube head; this tube head is on the top of connecting tube; in connecting tube head, can leave concave station insertion and be with Sealing successively; guard member; fastening piece; the pipeline of link or valve connecting end; link is connected and connects on the tube head; this pipe fitting or valve are connected with pipeline; this pipeline can be without the former pipe of handling; wherein Sealing is preferably selected the seal ring of macromolecular material time processing moulding for use; as rubber ring or pad; polyamine ester circle or ring etc., its cross section can be rounded; dihedral; abnormity etc.The metal material processing moulding of guard member, fastening piece, as pad, plain film or snap ring etc., usually flat gasket is a guard member, is used for compressing or protects seal ring to avoid snap ring extruding and unbalance stress, snap ring is a fastening piece, is used for fastening pipeline.Also pad and snap ring can be integrated, preferably pad and snap ring are split, sealing like this, fastening best results, connect tube head and select preferably that to have externally threaded pipe be screwed pipe for use, link be connected tube head on the nut of threads engaged, connecting tube can be made into single-pass according to usage requirement, curved logical, many logical different shapes that wait, on connecting tube, can leave plate button card, the metal material processing moulding of nut and connecting tube, wherein connecting tube crown end leaves an internal conical surface, made screw thread on its external diameter, seal ring and pad withstand on this internal conical surface successively, by the locking of nut pressure, pipeline or valve and connecting tube are closely as one with snap ring, have prevented that connecting tube and pipeline or valve are in the joint seepage.Described connecting tube leaves a concave station at the joint with pipeline or valve, the internal diameter of connecting tube internal diameter and institute's connecting tube or valve connecting end is consistent, be convenient to keep pipeline drift diameter constant in pipeline or the valve insertion connecting tube, usually also can not stay concave station at joint at pipeline or valve and connecting tube, it utilizes the length of pipeline to come between controlling plumbing fixtures or valve position with connecting tube, to select the link position of pipeline so when mounted, the connecting tube of band concave station can directly be planted pipeline or valve connecting end in the concave station, and not with concave station, then between pipeline and pipeline or valve, to reserve the position of latus rectum, be convenient to guarantee the flow of latus rectum; On the internal diameter of nut, made screw thread, its inner bottom part leaves a conical surface, be convenient to pin snap ring, play the fit sealing effect, when quickly jointed tubular workpieces uses, should on pipeline, overlap upper cap nut, snap ring, pad, seal ring earlier, insert in the connecting tube again, rotary nut is connected with the connecting tube head thread, the propagation of pressure of whole quickly jointed tubular workpieces or valve is to compress seal ring by regulating nut on connecting tube head top internal conical surface by pad, snap ring is by nut internal conical surface pressure self-locking chucking, make connecting tube securely with pipeline or valve seal link together.Described pipeline is to make with metallic material, also can select for use seamless metal tubing to make, and preferably selects the tubing of stainless steel sheet material circle circle moulding for use, and through the high-frequency arc strike welding fabrication, the inner-walls of duct inflated with nitrogen is handled, and outer surface carries out polishing treatment and makes.Pipeline is outer to apply or compound one deck thermal insulation layer if pipeline during as hot-water line, is preferably in, and prevents heat loss or scalds the user.Described valve is meant control valve, stop valve, ball valve, gate valve, the first-class all kinds of valves of the fire hose, its connecting end can be the connecting tube header structure, also former pipe, the former can directly be connected with pipeline as the valve of band link, the latter can realize being connected fast as the without screw thread valve by quickly jointed tubular workpieces and pipeline.

Description of drawings: Fig. 1, quickly jointed tubular workpieces and valve linkage structure schematic representation

Fig. 2, nut shape schematic representation

Fig. 3, snap ring shape schematic representation

Fig. 4, seal ring shape schematic representation

Fig. 5, gasket shape schematic representation

Fig. 6, quickly jointed tubular workpieces and valve mounting structure schematic representation

Fig. 7, quickly jointed tubular workpieces single-pass profile schematic representation

Fig. 8, quickly jointed tubular workpieces lead to profile schematic representation (threeway) more

Fig. 9, quickly jointed tubular workpieces lead to profile schematic representation (four-way) more

Figure 10, the curved logical profile schematic representation of quickly jointed tubular workpieces

Figure 11, quickly jointed tubular workpieces and valve linkage structure schematic representation (not being with concave station)

Figure 12, quick-connecting valve form structure schematic representation (control valve)

Figure 13, quick-connecting valve form structure schematic representation (water tap)

1-connecting tube and tube head, 2-seal ring, 3-pad, 4-snap ring, 5-nut, 6-connecting tube internal conical surface, 7-concave station, 8-nut conical surface, 9-screw thread, 10-pipeline, 11-control valve, 12-water tap

Further specify optimum scheme of the present utility model in conjunction with the accompanying drawings:

Shown in Fig. 1-6, on the tube head external diameter on connecting tube 1 top, made outside thread 9, leave a conical surface 6 on its tip section, connecting tube 1 can according to usage requirement be processed into straight-through, how logical or curved different shape such as logical shown in Fig. 7-10.Wherein many logical can be threeway, four-way, five-ways etc., curved logical bend angle can be selected between 0-360 °, it is in connecting tube 1 and the joint of pipeline 10 or valve has a concave station 7, the degree of depth of this concave station 7 is consistent itself and internal diameter of the pipeline and is the best by the thickness of pipe decision of institute's connecting tube 10 or valve connecting end.It is to insert pipeline or the valve that is with seal ring 2, pad 3, snap ring 4, nut 5 successively in the concave station on connecting tube 1 top tube head, internal thread 9 is connected with outside thread 9 on being connected the tube head external diameter on the internal diameter of nut 5, root bottom part leaves a conical surface 8 in nut 5, be convenient to withstand snap ring 4, make its self-locking chucking, make the pipeline 10 or the valve connecting end that are connected need not do any processing like this, just can combine closely with connecting tube 1; As shown in figure 11, basic identical with erection sequence and structure shown in Figure 1, just in connecting tube 1, do not establish concave station 7, this is the optimum scheme as straight-through (showing as Fig. 7), can simplify the processing technology of straight-through pipe fitting like this, on installing and using except that straight-through pipe fitting, note the mounting point of institute's insertion pipeline or valve, otherwise, can be because of the stopping of pipeline or valve connecting end, make threeway, four-way, curved logical latus rectum quantitative change little.Shown in Figure 12,13, insert the pipeline 10 that is with seal ring 2, pad 3, snap ring 4, nut 5 successively on the connecting tube of one being made as with control valve 11 or water tap 12, again nut 5 is connected with outside thread 9 on being connected tube head, make this valve 11 or 12 and pipeline 10 be connected as a single entity fast.Simultaneously, reduce the usage quantity of pipe fitting, also the connecting end of valve or first-class various valves of the fire hose or pipe fitting can not made silk usually, selected for use the pipe fitting as shown in Fig. 7-10 still can realize quick connection, thereby simplified the manufacturing procedure of valve, saved cost of production.

Quickly jointed tubular workpieces of the present utility model and valve have solved traditional for a long time pipe fitting and valve processed complex, trouble is installed, of poor quality, problems such as the life-span is short, simplified the Processes and apparatus that pipeline connects widely, especially overcome various pipelines such as Stainless Steel Tube and make the difficult shortcoming of silk, for the pipeline of promoting green tubing such as stainless steel has played decisive role, reduced the harm of pipeline pollution to human body, can be efficiently and easily the pipeline or the valve of various tubing be closely connected, and dismounting repacking that can be same simple and efficient, be desirable various pipes, the match equipment that valve etc. connect fast.

Claims (7)

1, a kind of quickly jointed tubular workpieces and valve; it is characterized in that on pipe fitting or valve, having connecting tube, connect tube head; insert pipeline or the valve connecting end that is with Sealing, guard member, fastening piece, link successively on the concave station in the connection tube head on connecting tube top; link is connected and connects on the tube head, and this pipe fitting or valve are connected with pipeline.

2, quickly jointed tubular workpieces as claimed in claim 1 and valve is characterized in that inserting pipeline or the valve connecting end that is with seal ring, pad, snap ring, nut successively in the tube head concave station on connecting tube top, and this tube head is threaded with nut.

3, quickly jointed tubular workpieces as claimed in claim 1 and valve is characterized in that leaving an internal conical surface on the cross section of connecting tube head top, have made screw thread on its external diameter.

4, quickly jointed tubular workpieces as claimed in claim 2 and valve is characterized in that leaving a conical surface at the inner bottom part of nut, have made screw thread on the footpath within it.

5, quickly jointed tubular workpieces as claimed in claim 2 and valve is characterized in that connecting tube head indent platform be to keep the consistent concave station of internal diameter of the pipeline with the joint of institute's insertion pipeline or valve.

6, quickly jointed tubular workpieces as claimed in claim 2 and valve is characterized in that seal ring is the moulding of macromolecular material time processing, the metal material processing moulding of pad, snap ring, nut, connecting tube.

7, quickly jointed tubular workpieces as claimed in claim 1 and valve is characterized in that pipeline is the tubing with the moulding of stainless steel sheet material circle circle.

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