CN200979049Y

CN200979049Y - Adaptor of plastic gas, liquid conveying tube

Info

Publication number: CN200979049Y
Application number: CN 200620056929
Authority: CN
Inventors: 张彬菊
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-03-22
Filing date: 2006-03-22
Publication date: 2007-11-21
Anticipated expiration: 2016-03-22

Abstract

Enclosed is a plastic connecter of a gas and liquid transmission pipe. The utility model aims to solve the problem that the prior connecter is not adapted for connecting the end portion of a smooth plastic pipe, or the connecting tautness is not enough, or the prior connecter adopts adhesive, or the structure is relatively complex, the processing is difficult, the cost is relatively high or the like. The technological scheme is that the utility model comprises a connecter and one or above one connecting structure equipped on the connecter, the connecter is equipped with a gas and liquid transmission pipe, characterized in that at least one connecting structure is formed of flights and a swirl pressure element on the connecter, a metal springy cone clamp ring, a pad ring and a sealing ring, wherein the flights of the swirl pressure element is match equipped on the flights of the connecter, the metal springy cone clamp ring, the pad ring and the sealing ring are positioned between the connecter and the swirl pressure element, the swirl pressure element, the metal springy cone clamp ring, the pad ring and the sealing ring are all equipped with pipe holes for the end portion of a smooth plastic pipe to go through, and the pipe hole edge of the metal springy cone clamp ring is at least distributed with a gap extending towards the clamp ring body.

Description

The connector of a kind of gas of plastics, liquid delivery pipe

Technical field

The utility model belongs to the pipe connection and uses accessory, specifically is a kind of gas of plastic material, the connector of liquid delivery pipe.The pipeline that is suitable for the supply of tap water or other gas, liquid or drains occasion uses.

Background technique

The present tap water that generally uses or other gas, liquid Delivery tube, two kinds of the iron pipe of be divided into metal material commonly used and the plastic tubes of non-metallic material.Connector such as elbow, straight-through, threeway, four-way or the like are the indispensable accessories that gas, liquid Delivery tube are installed and used.For iron pipe, make screw thread because tube end is convenient, and screw strength is good, so the structure of connector is often fairly simple, be to be manufactured with corresponding screw thread on the connector and the tube end screw-thread fit tightly gets final product, tube length and pipe paving mode are often unrestricted; For plastic tube, because tube end is inconvenient to make screw thread, the screw strength of making is also bad, so connector does not generally adopt direct thread fiting mode with being connected of tube end, at present common is connected with two kinds: the one, and tube end is made into integration an outer bulge loop, the sheathed gland nut in bulge loop back, screw thread on gland nut and the connector is made screw-thread fit, this pipe length during fabrication just is determined, and can not change, and its use occasion is restricted; The 2nd, establish casing seat on the connector, smooth plastic pipe end is inserted on the casing seat, adopt adhesive to cling, though this Placement is simple, the one-tenth branch of fears are entertained that adhesive causes adverse influence by gas, the liquid of carrying to people or other objects.Chinese patent discloses a kind of lock pressure type pipe joint for No. 90200564.2, has proposed to solve the connectivity scenario of the sub-end of plain tube, but structure is complicated, difficulty of processing is big, cost is higher, and the connection that is used for smooth plastic pipe end is also undesirable; Chinese patent discloses novel pipe connection No. 92227587.4, has also proposed to solve the connectivity scenario of the sub-end of plain tube, but has held smooth tube wall tightly by seal ring, and it is not enough that it connects tightness, do not reach application requirements.

Summary of the invention

For being suitable for, the connector that overcomes existing gas, liquid delivery pipe do not connect smooth plastic pipe end, or it is not enough or adopt that adhesive or structure are complicated, difficulty of processing is big, the more high defective of cost to connect smooth plastic pipe end tightness, the purpose of this utility model provides the connector of a kind of improved plastic gas, liquid delivery pipe, can overcome the defective of prior art.

The technological scheme that its technical problem that solves the utility model adopts is: a kind of gas of plastics, the connector of liquid delivery pipe, comprise connecting body with and on the linkage structure of the smooth plastic pipe of one or more connection end, gas is arranged on the connecting body, the liquid transfer passage leads to the linkage structure place, it is characterized in that having at least a linkage structure is by the screw thread on the connecting body, the spiral pressuring piece, metallic elastic taper collar, packing ring, seal ring constitutes, wherein spiral pressuring piece screw-thread fit is on the screw thread of connecting body, metallic elastic taper collar, packing ring and seal ring are between connecting body and the spiral pressuring piece, the spiral pressuring piece, metallic elastic taper collar, the pore that passes for smooth plastic pipe end is all arranged on packing ring and the seal ring, and the pore peritreme of metallic elastic taper collar is distributed with a breach that extends towards the collar body at least.

Above-mentioned connector can be that an elbow, straight-through, threeway, four-way, pipe plug, pipe cap, other joint or loose joint are first-class.

Above-mentioned called torulopsis plastic pipe end is meant the end that cut off, that do not have the class formation of screw thread, concavo-convex ring in the reprocessing on it at the arbitrary place of plastic pipe.

Above-mentioned metallic elastic taper collar is a special part of the present utility model, is an eyelet, is conical, flexible, and concrete structure can be referring to Fig. 2, Fig. 3.

Metallic elastic taper collar on the above-mentioned linkage structure can be one or more, during a plurality of metallic elastic taper collar, is preferably separated by packing ring between metallic elastic taper collar and the metallic elastic taper collar.

The beneficial effects of the utility model: owing to rotation along with the spiral pressuring piece, after being in the metallic elastic taper collar pressurized between connecting body and the spiral pressuring piece, its tapering becomes big, its pore aperture and diminishes, thereby make metallic elastic taper collar tighten smooth plastic pipe end, with smooth plastic pipe end form drive fit or even the transition fit state, so it is good that it connects tightness, can reach the job requirement of gas, liquid conveying, it is simple in structure, easy processing, cost are low, can avoid the adverse effect of using adhesive to bring.Simultaneously, the utility model also has the simple, fast characteristics of pipeline of laying of installing.

Description of drawings

Below in conjunction with drawings and Examples the utility model is done to describe more specifically.

Fig. 1 is a kind of embodiment's of the utility model a schematic representation.

Fig. 2 is a kind of embodiment's of metallic elastic taper collar of Fig. 1 a schematic representation.

Fig. 3 is the A-A sectional view of Fig. 2.

Fig. 4 is the vertical profile schematic representation of the packing ring of Fig. 1.

Fig. 5 is the schematic perspective view of the seal ring of Fig. 1.

Among the figure: 1, connecting body; 2 and 3, smooth plastic pipe end; 4 and 5, linkage structure; 6, gas, liquid transfer passage; 7, screw thread; 8, spiral pressuring piece; 9, metallic elastic taper collar; 10, packing ring; 11, seal ring; 12, pore; 13, breach.

Embodiment

With reference to Fig. 1～Fig. 5, the gas of these plastics, the connector of liquid delivery pipe, it is a straight-through connector, structure comprise connecting body 1 with and on two connect smooth

plastic pipe ends

2,3

linkage structure

4,5, on the connecting body 1 gas is arranged, liquid transfer passage 6 leads to

linkage structure

4,5 places, it is characterized in that having at least a linkage structure 4 is by the screw thread on the connecting body 17, spiral pressuring piece 8, metallic elastic taper collar 9, packing ring 10, seal ring 11 constitutes, wherein spiral pressuring piece 8 screw-thread fit are on the screw thread 7 of connecting body 1, metallic elastic taper collar 9, packing ring 10 and seal ring 11 are between connecting body 1 and the spiral pressuring piece 8, spiral pressuring piece 8, metallic elastic taper collar 9, the pore that passes for smooth plastic pipe end 2 is all arranged on packing ring 10 and the seal ring 11, and pore 12 peritremes of metallic elastic taper collar 9 are evenly distributed with six breach 13 that extend towards the collar body etc.In addition, seal ring 11 is a cylindrical shape seal ring, and the distortion allowance of this seal ring is bigger, and sealing reliability is better.

During use, when tightening spiral pressuring piece 8, it is big that the tapering of metallic elastic taper collar 9 becomes, pore 12 apertures of metallic elastic taper collar 9 diminish, metallic elastic taper collar 9 has tightened smooth plastic pipe end 2, form drive fit or transition fit state with it, at this moment smooth plastic pipe end 2 is just tightly embraced; Simultaneously, metallic elastic taper collar 9 deformation processes promote packing ring 10 compressing seal rings 11, make radially distending and play seal action of seal ring 11.

Claims

1, a kind of gas of plastics, the connector of liquid delivery pipe, comprise connecting body with and on the linkage structure of the smooth plastic pipe of one or more connection end, gas is arranged on the connecting body, the liquid transfer passage leads to the linkage structure place, it is characterized in that having at least a linkage structure is by the screw thread on the connecting body, the spiral pressuring piece, metallic elastic taper collar, packing ring, seal ring constitutes, wherein spiral pressuring piece screw-thread fit is on the screw thread of connecting body, metallic elastic taper collar, packing ring and seal ring are between connecting body and the spiral pressuring piece, the spiral pressuring piece, metallic elastic taper collar, the pore that passes for smooth plastic pipe end is all arranged on packing ring and the seal ring, and the pore peritreme of metallic elastic taper collar is distributed with a breach that extends towards the collar body at least.

2,, it is characterized in that described metallic elastic taper collar is one and is conical, resilient eyelet by the gas of the described plastics of claim 1, the connector of liquid delivery pipe.

3, press the claim 1 or the gas of 2 described plastics, the connector of liquid delivery pipe, it is characterized in that the metallic elastic taper collar on the described linkage structure can be one or more.

4, by the gas of the described plastics of claim 1, the connector of liquid delivery pipe, it is characterized in that described seal ring is a cylindrical shape seal ring.