CN2132856Y

CN2132856Y - Pipe joint

Info

Publication number: CN2132856Y
Application number: CN 92229257
Authority: CN
Inventors: 黄君祥
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-08-03
Filing date: 1992-08-03
Publication date: 1993-05-12
Anticipated expiration: 2002-08-03

Abstract

The utility model provides a pipe joint for connecting pipes. The utility model has the structure that a sheathed end connected with a pipe body in a joint main body is provided with a neck connecting part sheathed and combined with the pipe body; the outer diameter of the neck connecting part is smaller than the outer diameter of the sheathed end of the joint; the connecting point of the sheathed end is provided with a fairly definite perpendicular throw. The utility model has the advantages that the constructing time of connection of the pipe body and the joint is reduced, and the pipe body is beautiful after combined with the joint without deformation.

Description

Pipe joint

The utility model relates to a kind of confession and makes the pipe joint that railing, handrail are used.

General body moulding railing as described in Figure 1, be construction and installation on the spot again after construction completes in factory earlier, be earlier body 1 to be bent into reservation shape aspect production method, then, it is identical haply with aforementioned railing that the making of several straight tubes 2(handrail is fixed in welding on body 1); Though the purpose that above-mentioned production method can reach making, railing is installed,, install in actual fabrication, but there are some defectives to exist, for example:

When 1, body 1 being bent into reservation shape, can form waveform fold, so can destroy the integrated beauty of railing, cause railing integral body very unbecoming in the inboard, turning;

2, after must constructing in factory, completing, the scene that is carried to again installs and fixes, but after the railing assembling was finished, it is huger that volume becomes, no matter make the workmen load, carry all inconveniences;

3, straight tube 2 and body 1 junction point must polish because of welding formed weldering trace, otherwise, can destroy the integrated beauty of railing, so increase process step.

In addition, some utilizes joint style to make railing (or handrail), covers joint 5 as Fig. 2, Fig. 3, elbow 3, tee union 4 and pipe shown in Figure 4; And for example Fig. 5, Fig. 6, shown in Figure 7 show described elbow 3, tee union 4 and pipe respectively and covers joint 5 and be connected the situation of constructing with body 6.As shown in Figure 5, at first two bodys 6 are fixed on two connecting ends 35 of elbow 3 with welding manner, then, will weld formed protrusion position again and polish, part is level and smooth so that elbow 3 and body 6 join; Fig. 6, shown in Figure 7 and for example, described tee union 4, to cover joint 5 identical with elbow 3 for pipe, at first body 6 is separately fixed at the connecting end 45 of tee union 4 and the connecting end 55 that pipe covers joint 5 with welding manner, then, again tee union 4, pipe covers the connecting

end

45,55 of joint 5 and body 6 part of joining and polish, to avoid at connecting

end

45,55 formation convex shapes.Though above-mentioned production method has the aforementioned bending process of improvement and forms defective not attractive in appearance and carrying inconvenience,, described joint still has undesirable part when the practice of construction assembly, for example:

1, described joint and being connected of body are to reach with the welding means of fixation, and therefore, needed instrument more (as anchor clamps, electric welding machine, revolving table etc.), and joint must do the welding of wholecircle week with body can make just that to weld later structural strength good; So, be a kind of slow procedure in welding means of fixation itself, and must do the welding of wholecircle week that the required engineering time will be longer.

If 2 welding are to carry out in the erecting bed, then must carry solder set, but these apparatus itself are promptly quite heavy, in the local time that the scene is the little balcony in space, stair etc., obviously very inconvenience.

During 3, owing to the construction of use welding manner, can form the welding bead of protrusion, have aesthetic property in order to make whole railing, handrail at weld, promptly must be after welding be finished, it is smooth to locate grinding, therefore, makes the engineering time increase.

4, when welding is carried out, must be in the condition of high temperature, just can make these joints with the body welding, but these joints are made by irony, just have the situation of expanding with heat and contract with cold and produce, and the engineering time, long more heat expansion was severe more, by the time after cooling was shunk, these joints part that links to each other with body will produce distortion, and cause railing, handrail welding finish after whole shape distortion be out of shape.

Therefore, the purpose of this utility model is to provide a kind of pipe joint so that body can make things convenient for and connect with joint easily, and have construction fast, the engineering time is few, do not need to remake the work of polishing, advantage such as can not be out of shape after connecting.

The purpose of this utility model is to realize like this

1. pipe joint, has a joint body, it is characterized in that: described joint body has a neck that supplies to be connected both to meet portion with the socket end that body combines, and described neck connects the external diameter of the external diameter of portion less than described connector engages end, itself and joint end connecting part and to be formed with a paragraph poor.

The purpose of this utility model can also further be realized by following technical measures, and a kind of pipe joint is characterized in that described drop is identical with the body pipe thickness of wanting socket.

This some of the described neck portion of connecing as whole joint body.

Described neck meets portion and forms one by the joint body combination with joint body.

Described joint body joint end inside is formed with a room for the insertion of the neck portion of connecing.

Concrete structure of the present utility model is provided in detail by following embodiment and accompanying drawing thereof.

Fig. 1 is the schematic representation of existing railing combination.

Fig. 2 is the schematic cross-section of existing a kind of joint.

Fig. 3 is the schematic cross-section of existing another kind of joint.

Fig. 4 is the schematic cross-section of existing another joint.

Fig. 5 is the combination schematic representation of existing a kind of joint and body.

Fig. 6 is the combination schematic representation of existing another kind of joint and body.

Fig. 7 is the combination schematic representation of existing another joint and body.

Fig. 8 is the stereogram of the utility model preferred embodiment.

Sectional drawing when Fig. 9 is joint shown in Figure 8 and body combination.

Figure 10 meets a kind of making generation type figure of portion for joint neck shown in Figure 8.

Figure 11 is that the another kind of joint neck shown in Figure 8 is made generation type figure.

Figure 12 is threeway of the present utility model, the sectional drawing when combining with body.

Sectional drawing when Figure 13 pipe lid of the present utility model combines with body.

At first, as Fig. 8, shown in Figure 9, according to curved shape pipe joint described in the utility model, the socket end 11 that it is connected with body 40 on joint 10 forms the neck with suitable length and meets portion 12, neck connects the external diameter of portion 12 less than these socket end 11 external diameters, neck meets portion 12 and forms high low head (first) with socket end 11 connecting parts, this difference of height (first) cooperates the pipe thickness of body 40 and decides, so that body 40 is socketed in neck when meeting portion 12, body 40 side faces and socket end 11 side faces are level and smooth shape, in order to avoid there is rugged phenomenon to exist; In addition, can be in the shelter that joint 10 and body 40 join, with rivet (or screw) body 40 and neck are met portion 12 and fix, be connected structural strength afterwards with body 40 to increase joint 10.

Figure 10, shown in Figure 11 and for example demonstrates the production method of pipe joint described in the utility model.At first as shown in figure 10, this joint 10 one-body molded mode is earlier made, and then, makes this neck at the socket end 11 of joint 10 in the cutting mode and meets portion 12; Figure 11 discloses another kind of method, at first be processed to form a room 111 in socket end 11 inside of joint 10, then one section sleeve pipe 30 is inserted in and is fixed in the room 111 of described joint 10 socket ends 11, the mode that sleeve pipe 30 is fixed on room 111 can be with spot welding, adhesion, screw locking, the rivet locking, force mode such as be inserted in to reach, wherein, the pipe thickness of sleeve pipe 30 is approximately identical with the tube wall drop of room 111, so that sleeve pipe 30 is fixed on after the room 111, sleeve pipe 30 internal surfaces and room 111 internal surfaces are level and smooth shape, and described sleeve pipe 30 the other ends then expose room 111 outsides formation neck and meet portion.

Figure 12 and Figure 13 are respectively threeways; Pipe covers the generalized section of pattern joint 10 ' when being connected with body, this both Placement is identical with above-mentioned bend pipe pattern joint 10 substantially, joint 10 ' a neck of socket end 11 ' be formed with connect portion 12 ', so that be connected, and with rivet body 20 riveteds be fixed on neck and meet portion 12 ' go up to gain in strength with these body 40 fits.

Advantage of the present utility model and effect thereof are fairly obvious

1. the utility model is to utilize neck to meet section and body connects, and namely finishes joint The binding purpose that is connected with body, if connect the structural strength of section and body junction in order to strengthen neck, as long as utilize riveted mode (perhaps screw locking mode) to reach, therefore, engineering time of the present utility model can greatly reduce, and reaches quick combination and the purpose of saving the engineering time.

2. the utility model neck of just body being linked in joint meets section, then, re-uses rivet mode (the perhaps solid mode of screw spiral shell) riveted is fixing and get final product, so it is very simple and convenient to construct, even in little space, also can not affect the carrying out of construction.

3. according to the utility model, after the socket combination of the neck section of connecing of body and joint, the joint does not have the phenomenon that is uneven and exists, so do not need to polish work, therefore, the engineering time is saved a lot really.

Since the socket of body and the joint neck section of connecing in conjunction with after become level and smooth shape, and body and the joint neck section of connecing socket-connect and do not have any distortion generation in the process of combination, so will have splendid aesthetic property and indeformable after the combination.

The utility model joint be connected with body in conjunction with needed equipment utilize than in the past welding manner finish the combination needed cost of equipment also low, so the utility model can be saved a lot of manufacturing costs.

Claims

1, a kind of pipe joint, has a joint body, it is characterized in that: described joint body has a neck that supplies to be connected both to meet portion with the socket end that body combines, and described neck connects the external diameter of the external diameter of portion less than described adaptor cup jointing end, itself and socket end connecting part and to be formed with a paragraph poor.

2, pipe joint as claimed in claim 1 is characterized in that described drop is identical with the body pipe thickness of wanting socket.

3, pipe joint as claimed in claim 1 is characterized in that this some as whole joint body of the described neck portion of connecing.

4,, it is characterized in that described neck meets portion and forms one by combining with joint body with joint body as right 1 described pipe joint.

5, pipe joint as claimed in claim 4 is characterized in that described joint body socket end inside is formed with a room for the insertion of the neck portion of connecing.