CN2221143Y

CN2221143Y - Tube jointer

Info

Publication number: CN2221143Y
Application number: CN 95243531
Authority: CN
Inventors: 赖云添
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-03-03
Filing date: 1995-03-03
Publication date: 1996-02-28
Anticipated expiration: 2005-03-03

Abstract

The utility model provides a tube jointer which is labor saving and simple linking. It comprises a positioning female element and a suit of pressing male elements. The inner of the positioning female element is hollow and can make a jointing wait tube sleeve into through its inlet tube opening, meanwhile, the inner wall of the positioning female element is multi-section junctions of unequal inner diameters, which expand to the other end, forming a multiple section positioning shoulder; the reducing type diffusion guide tube in one end of the suit of pressing male elements is correspondingly sleeved into the tube junction, and its diameter of tube varies and generates expanding and the terminal of the tube tightly presses the positioning shoulder of the positioning female element, forming a natural seal ring for leak proof, and the other end of the suit of pressing male elements can assemble a soft and hard tube linking in fixed mode through the assembling tube end. The male and the female elements are easily jointed and buckled through a lock catch and a keying part.

Description

Tube jointer

The utility model relates to the connector that pipe fitting continues, especially a kind of applicable to soft pipe fitting to soft pipe fitting or to the Tube jointer of rigid pipe fitting, easy laborsaving binding.

In the prior art, it is day common act of institute that the continuing of water pipe prolongs, and fixedly is the mode with difference for continuing mutually between its body, wherein can be distinguished into generally hard tube to hard tube, hard tube to flexible pipe and flexible pipe to the modes such as binding between flexible pipe.Wherein hard tube adopts with pipe joint or so-called rapid pipe joint the connection of hard tube more, promptly pulls out a corresponding exhibition beam ring lobe by pushing away of joint pipe fitting and interacts, and tighten connection pipe fitting and link and continue, and this there is no the mode in improvement that this case is discussed, and does not give unnecessary details so do not add.As follows to binding mutually and shortcoming division thereof between flexible pipe and two flexible pipes relevant for hard tube in addition: wherein hard tube is to the connection of flexible pipe, common system borrows a socket termination 1 (as shown in Figure 1), this socket termination is to have an assembled body 11, can corresponding hard tube or as direct interlocking such as drainage barrel, it is held in addition and then is extended with a grafting pipe close 12 and to male type one ring-type teat 13 is arranged at pipe close 12 walls, make it when corresponding flexible pipe sleeve, cooperate the soft deformability of flexible pipe 2 to make flexible pipe 2 can adhere well to pipe close 12, hold and form a location retaining by teat 13; This kind of thought Placement, though rather simplify textural, but in use, when the cover that promptly continues is inserted, the operator must push flexible pipe 2 arduously to grafting pipe close 12, so that producing distortion, flexible pipe 2 locatees by teat 13, real rather effort, and after this kind connection continues, in the future as will dismantle, the power that then costs is again outwards pulled out flexible pipe 2, and since the location of its teat 13 oppositely retaining hold, add running days shoddyization of the pipe problem that flexible pipe may produce long afterwards, cause and tearing open when drawing, cause the fracture of flexible pipe 2 or grafting pipe close 12, and then can't use the socket termination 1 that to change the outfit again again for continuing.

In addition about being connected between flexible pipe and flexible pipe, known also have adopt as above-mentioned insertion pipe plug is both-end moulding person, and for two flexible pipes to be connected relatively cover insert the location; Only this structure in the use also difficulty take off above-mentioned uses shortcoming, and produce practical deficiency upward.Known again also have a mode of connection that adopts so-called rapid pipe joint, it mainly is must be at two pipe fitting ends to be connected, respectively earlier with means of fixation assembling pin thread spare or mother buckles such as beam ring pincers bundles, when linking, insert then by the cover relatively of male and female fastener, cooperate the inner set positioning structure of mother buckle, general common employing steel ball cooperates the elastic reaction of spring, make the mutual locating engagement of male and female fastener, still need assembling as water stop ring such as O shape ring device, to prevent the leakage of liquid in its binding portion simultaneously.In this way, cage structure is comparatively complicated within its joint relatively, and the leakage-proof effect after assembling still feels not enough.

The purpose of this utility model just is to overcome or improve as far as possible above-mentioned shortcoming, and the promptly comparatively complicated structure and the deficiency of leakage-proof effect are to promote its utilization benefit.

The utility model purpose is to realize like this, by making position parent part and the mutual socket of casing pressure bull simultaneously, vary in diameter between its joint end and system position shoulder produce suppresses the location to the natural extension of connection pipe fitting, and define by the water stop ring effect that the expansion of pipe fitting forms the pressing position, do not need in connector, to assemble separately the water stop ring leakproof, and its structure is simplified, and it is prompt that group is unloaded speed, improves the continue purpose of shortcoming of above-mentioned known pipe fitting thereby reach.

The utility model provides a kind of Tube jointer, its structure system is made up of at least one a system position parent part and a casing pressure bull, being hollow and two ends in this system parent part offers respectively for waiting to connect the inlet pipe mouth of flexible pipe access and the crimping mouth of corresponding casing pressure bull winding, side wall surface is suitable by advancing nose end within the parent part of system position simultaneously, be multistage segmentation not isometrical continue and gradually expanded state to pressing interface end to be shaped, define and form winding chamber portion and pressure pipe chamber portion and first and second system position shoulder, with the mutual winding of corresponding casing pressure bull, and on the wall of this winding chamber portion, be to be provided with the lock-combining part snapping location of latch part with corresponding casing pressure bull, this casing pressure bull is to comprise that one can correspondingly overlap the winding end of inserting winding chamber portion and forming lock-combining part in its outer wall again, one of this winding end end is the group pipe of hollow, can correspondence treat the jointed tubular workpieces assembling, the other end then is forward, and multistage reducing deflated state is shaped to the diffusion conduit, and between winding end and diffusion conduit, form spacing shoulder and pressure ring shoulder, when correspondence system position parent part connects group, fitting by corresponding first system of a spacing shoulder shoulder cooperation latch part and lock-combining part becomes the slotting spacing and location of clutch collar, and makes a shoulder by pressure ring shoulder corresponding second and suppress the water stop ring that the hose wall of expansion becomes the flexible pipe location and forms leakproof with portion.

Above-mentioned the utility model Tube jointer, wherein this casing pressure bull can be straight tube, L type pipe, threeway T type pipe or four-way body.When its group pipe end is a L type bend pipe or when the moulding of threeway T type body, then can be and at the wall of its crooked turnover position or T type connecting position according to design or demand, offer a scrubbing hole, but and normality be that a port lid is breakdown combinations of states sealing, remove dirt and be convenient to breakdown.In addition, this casing pressure bull can according to design or demand be one-sided or bilateral diffusion conduit is shaped, and cooperating only single or two system position parent parts, corresponding flexible pipe is to the connection to flexible pipe of hard tube or flexible pipe.Moreover, the group pipe end of this casing pressure bull, can according to the design or user demand be the moulding of hard tube bond head, or its outside end face offer screw thread for correspondence treat mutually connect thing screw togather the end mutual spiral shell group.

Above-mentioned Tube jointer, set latch part on the wall of winding chamber portion that wherein should system position parent part, or be the moulding of left-hand thread slideway or be forming internal threads according to design, and the screw thread of this moulding can be adopted single line or the above thread forming of single line.And set lock-combining part on the wall of the end, location of this casing pressure bull is that the left-hand thread slideway that is corresponding latch part is shaped to the button piece, or the screw thread of corresponding lock-combining part and be the outside thread moulding.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the use schematic representation of known Tube jointer in the prior art.

Fig. 2 is the utility model one embodiment's STRUCTURE DECOMPOSITION figure.

Fig. 3 is Fig. 2 embodiment's a STRUCTURE DECOMPOSITION sectional drawing.

Fig. 4 is the generalized section of Fig. 2 embodiment winding use.

Fig. 5 is the utility model latch part and another embodiment's of lock-combining part a structural representation.

Fig. 6 be the utility model two flexible pipes join embodiment structure and use schematic representation.

Fig. 7 is the another embodiment's of the utility model casing pressure bull a structural representation.

Now see also Fig. 2 and be used in STRUCTURE DECOMPOSITION figure and the sectional drawing of hard tube to the utility model shown in Figure 4 the embodiment of flexible pipe connection.Find out that by knowing among the figure the main system of its structure is made up of a system position parent part 3 and a casing pressure bull 4, wherein be hollow in this system position parent part 3, and offer at its two ends respectively for waiting to connect the inlet pipe mouth 30 of flexible pipe 5 accesses and the crimping mouth 31 of corresponding casing pressure bull 4 windings, side wall surface is suitable by inlet pipe mouth 30 ends within the parent part 3 of system position simultaneously, be multistage segmentation not isometrical continue and gradually expanded state be shaped to crimping mouth 31 ends, make position shoulder 34 and be formed with winding chamber portion 32 and pressure pipe chamber portion 33 and first and second, 35 define, with corresponding casing pressure bull 4 mutual windings and act on and wait to connect flexible pipe 5 (Fig. 4), and on the wall of this winding chamber portion 32, be to be provided with latch part 321, this latch part 321 can be left-hand thread slideway moulding (Fig. 2) according to design, or be internal thread (this screw thread can be single line or the above screw thread of single line) and offer shaping (Fig. 5), so that the corresponding snapping of the lock-combining part 40 of corresponding casing pressure bull 4 (button piece or screw forming) location, this casing pressure bull 4 is to comprise that certain hyte connects end 41 and fits and can insert winding chamber portion 32 by corresponding cover again, and side wall surface is provided with lock-combining part 40 outside winding end 41, and this lock-combining part 40 is the latch part 321 with respect to system position parent part 3, and is the button piece or screw forming defines.Be group pipe end 42 at one of winding end 41 end, cooperate and be hollow in it and form the bond head correspondence and wait to connect hard tube 6 and assemble with means of fixation, this group pipe end 42 also can be offered screw thread (Fig. 5) at its outer side surface according to design simultaneously, treat mutually for correspondence and to connect thing, for example the mutual spiral shell group of end that screws togather that screws togather end spiral shell group of the filtering element (cartridge) barrel of filter (pure) hydrophone connects, again in the winding end 41 in addition end be then forward that multistage reducing deflated state is shaped to diffusion conduit 43, and in winding

end

41 and 43 in diffusion conduit form spacing shoulders 44 and pressure ring shoulder 45, and can when winding relatively, hold first and second system position shoulder 34 that connects the corresponding system of flexible pipe position parent part 3 by direct companding, 35 form location and leakproof water stop ring.

See also Fig. 4 about the assembling of above-mentioned member and the binding use condition of water pipe.Group pipe end 42 correspondences that are about to this casing pressure bull 4 wait to connect hard tube 6 combination bindings, to wait to connect flexible pipe 5 then and be inserted in its inboard by the inlet pipe mouth 30 of making position parent part 3, to make position parent part 3 and casing pressure bull 4 relative cover groups again, and should be by its latch part 321 and lock-combining part 40 location that is mutually locked, to 3 groups of system position parent parts on time simultaneously at casing pressure bull 4, the diffusion conduit 43 of casing pressure bull 4 is should be by the variation of its caliber, make the effect that flexible pipe 5 produces the terminal expansion of pipe that connects for the treatment of, and in system position parent part 3 and the 4 relative windings of casing pressure bull when locating, spacing shoulder 44 by first shoulder, the 34 corresponding casing pressure bulls 4 of making position parent part 3 limits its joint limit position, at this moment, the pressure ring shoulder 45 of this diffusion conduit 43 is suitable can wait to connect flexible pipe 5 tube walls with what be expanded, second shoulder 35 of corresponding system position parent part 3 is suppressed the location and is formed a leakproof water stop ring, not only can fixedly wait to connect flexible pipe 5, simultaneously can produce the double action of sealing leakproof, thereby reach easy binding pipe fitting and its structure is simplified, the effect of simple operation.

Figure 6 shows that another embodiment of the utility model, be and be used in the binding of flexible pipe flexible pipe, the main system of its structure is with 41 two ends, end, location of above-mentioned casing pressure bull 4, be shaped to the

diffusion conduit

43,43 that has multistage reducing forward and dwindle ' define respectively, cooperate again two system position parent parts 3,3 ', can operate as the relative winding of above-mentioned casing pressure bull 4 and system position parent part 3, with two flexible pipes 5,5 ' link together.

If the group pipe end of above-mentioned again casing pressure bull 4 42 L type bend pipe moulding, or when the moulding of threeway T type body, then can be and at the wall of its crooked turnover position or T type connecting position according to design or demand, offer a scrubbing hole 421, and this scrubbing hole 421 is and diffusion conduit 43 coaxial defining, and on the peritreme in hole 421, offer screw thread, revolve locked closing (Fig. 7) to cooperate a port lid 46 normalities, thereby can be when the pipe inner product has dirt to block, be convenient to breakdown and remove dirt and make liquid stream more smooth and easy, improve traditional L type pipe with this and connect the difficult shortcoming of chance dirt blockage clearing.

Claims

1. Tube jointer, its structure comprises at least one system position parent part (3) and a casing pressure bull (4), it is characterized in that: be hollow and two ends in this system position parent part (3) and offer respectively for the inlet pipe mouth (30) of flexible pipe to be connect (5) access and the crimping mouth (31) of corresponding casing pressure bull (4) winding, side wall surface is suitable within the system position parent part (3) is simultaneously held by inlet pipe mouth (30), be that multistage segmentation is not isometrical to continue and the state of expansion gradually is shaped to crimping mouth (31) end, make position shoulder (34) and form winding chamber portion (32) and pressure pipe chamber portion (33) and first and second, (35), with corresponding casing pressure bull (4) winding mutually, and on the wall of this winding chamber portion (32), be to be provided with lock-combining part (40) the corresponding snapping location of latch part (321) with corresponding casing pressure bull (4), this casing pressure bull (4) is to comprise that one can correspondingly overlap the winding end (41) of inserting winding chamber portion (32) and forming lock-combining part (40) at outer side surface again, one of this winding end (41) end is treated the group pipe end (42) of jointed tubular workpieces (6) assembling for the confession correspondence of hollow, winding end (41) in addition end then is forward multistage reducing deflated state and is shaped to diffusion conduit (43), and between winding end (41) and diffusion conduit (43), form spacing shoulder (44) and pressure ring shoulder (45), when correspondence system position parent part (3) connects group, suitable by the corresponding first system position shoulder (34) of spacing shoulder (44), cooperation latch part (321) and lock-combining part (40) form the slotting spacing and location of clutch collar, and make position shoulder (35) by pressure ring shoulder (45) corresponding second and suppress the water stop ring that flexible pipe (5) wall of expansion forms the location of flexible pipe (5) and forms leakproof with portion.

2. Tube jointer according to claim 1, it is body formed that wherein this casing pressure bull (4) can be straight tube, L type pipe, threeway T type pipe or four-way pipe.

3. Tube jointer according to claim 2, wherein the group pipe end (42) of this casing pressure bull (4) is a L type bend pipe or when the moulding of threeway T type body, wall at its crooked turnover position or T type connecting position, offer a scrubbing hole (421), and normality be a port lid (46) but be breakdown combinations of states sealing.

4. Tube jointer according to claim 1, wherein this casing pressure bull (4) is one-sided or bilateral diffusion conduit (43) shaping, to cooperate only single or two system position parent parts (3).

5. Tube jointer according to claim 1, wherein the group pipe end (42) of this casing pressure bull (4) is the moulding of hard tube bond head or offers screw thread at its outer side surface, corresponding treat mutually connect thing screw togather the mutual spiral shell group of end.

6. Tube jointer according to claim 1, wherein set latch part (321) is the moulding of left-hand thread slideway on the wall of the winding chamber portion (32) of this system position parent part (3), or be forming internal threads, and the screw thread of this moulding can adopt single line or the above thread forming of single line.

7, Tube jointer according to claim 1, wherein set lock-combining part (40) is corresponding latch part (321) left-hand thread slideway and is shaped to the button piece on the wall of the positioning and assembling end (41) of this casing pressure bull (4), or screw thread and be the outside thread moulding within the corresponding latch part (321).