CN2406140Y

CN2406140Y - Pipe adaptor capable of quickly connecting and disassembling

Info

Publication number: CN2406140Y
Application number: CN 00224072
Authority: CN
Inventors: 郭力
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-01-18
Filing date: 2000-01-18
Publication date: 2000-11-15
Anticipated expiration: 2010-01-18

Abstract

The utility model relates to a pipe joint capable of quickly connecting and disassembling. A pipe shaft 2 is provided with a sleeve ring 3 and an inner sleeve pipe 4 which is provided with a handle wheel 14. A spring 6 with axial action is arranged at the jointing point of the sleeve ring and the inner sleeve pipe. The inner sleeve pipe is provided with an outer sleeve pipe 7. A radial through hole 8 is arranged on the wall of the left section of the outer sleeve pipe. An axial slotted hole 9 is arranged on the wall of the right section of the outer sleeve pipe. A fastener 10 is arranged in the radial through hole. Threads are arranged on the outer wall of the fastener. The upper part of a column pin 12 which is arranged on the wall of the inner sleeve pipe is positioned in the axial slotted hole. The surface of the outer wall of the inner sleeve pipe 4 is provided with an axial type oblique surface 13 which is corresponding to the surface of the inner wall of the fastener. The handle wheel is pull towards right, and the tops of the threads of the on the surface of the outer wall of the fastener can be accordant with the surface of the outer wall of the outer sleeve pipe. The handle wheel is rotated, and the outer sleeve pipe and the fastener also rotate with the handle wheel.

Description

A kind of pipe joint that can connect fast and dismantle

The utility model belongs to a kind of pipe joint that pipeline connects that is used for, and needing to be particularly useful for the pipe joint of regular installation, dismounting, the pipe joint that is connected with the gas cooker pipeline as the domestic gas jar.

The screw thread at pipe joint Chang Yiqi two ends is realized connecting with the required pipeline that is connected respectively.As being connected of existing household gas range gas source pipe and gas can, see Fig. 1, be to realize being connected the source of the gas of connecting gas cooker by screw member 1 and gas can interface end screw thread.Adopt the pipe joint of this kinds of structures, screw member need be rotated nearly ten circles or ten cocycles and could satisfy dismounting or connection reliably, sometimes because of screw thread bayonet socket phenomenon occurring, and need reorientate screw member, rotate once more after screw thread is coincide, the operation of installation and removal is trouble, and it is not too convenient to use, and the bayonet socket phenomenon that is occurred also damages connecting thread easily, influences its working life.

The purpose of this utility model provides a kind of pipe joint that can connect fast and dismantle, when being connected with pipeline, the one end realizes that by the mode of direct insertion and locking fast and reliable ground connects, directly extract after the releasing locking and dismantle, thereby it is the operation when simplifying installation and removal, and easy to use.

The technical solution of the utility model can be referring to Fig. 2.Tubular axis 2 is arranged, the right-hand member of tubular axis (refers to state shown in the view, down together) the connection screw thread is arranged, the right section of tubular axis is provided with the collar 3, the outer wall of tubular axis is provided with inner sleeve 4, junction at inner sleeve right-hand member and collar left end is provided with cavity 5, be provided with the spring 6 of axial force in this cavity, inner sleeve 4 can shift automatically under the effect of spring 6 on the left side section outer wall of tubular axis 2, the body of inner sleeve 4 is provided with handle wheel 14, rotates this handle wheel, and inner sleeve 4 can rotate along tubular axis 2 thereupon, when handle wheel moved axially under external force, inner sleeve 4 can move axially along tubular axis 2 thereupon; Inner sleeve 4 is provided with outer sleeve 7 on outer wall, at least be provided with a radial direction through hole 8 on the left side section tube wall of outer sleeve 7, the right section tube wall of outer sleeve 7 is provided with axial slots 9, fastening piece 10 is set in the radial direction through hole 8, the outer wall of fastening piece 10 is provided with to connect uses screw thread, the body of outer sleeve 7 is provided with and acts on fastening piece, and make this fastening piece spring 11 of radial contraction automatically, fastening piece 10 can move radially in radial direction through hole 8 under the effect of external force, the tube wall of inner sleeve 4 is provided with the pin 12 that its top is positioned at axial slots 9, when inner sleeve 4 with the handle wheel shaft when mobile, pin 12 can move axially in axial slots 9 thereupon; On the left side section outer wall of inner sleeve 4 axial type inclined-plane 13 is set, the internal face of fastening piece 10 is provided with the inclined-plane that matches with this axial type inclined-plane; When inner sleeve 4 when the effect bottom offset of spring 6 is to the left side section outer wall of tubular axis 2, connection on fastening piece 10 outer wall then protrudes from outer sleeve 7 left side section outer wall with screw thread, when spurring handle wheel 14 to the right, inner sleeve 4 overcomes the active force of spring 6 and axial displacement thereupon, when driving inner sleeve 4 when rotatable handle wheel 14 and rotating, be located at fastening piece 10 rotations that pin 12 on inner sleeve 4 tube walls promptly drives outer sleeve 7 and is positioned at radial direction through hole.The utility model connects and the operating process of dismounting is: by state shown in Figure 2, with the screw thread of tubular axis right-hand member with after pipeline is connected, axially spur handle wheel 14 at first to the right, inner sleeve 4 moves to right thereupon, spring 11 effects make fastening piece 10 in the automatic radial contraction of radial direction through hole, connection on fastening piece 10 outer wall is then concordant with the outer wall of outer sleeve 7 with threaded top, or be lower than the outer wall of outer sleeve, directly insert this pipe joint left side section in the tapped hole of pipeline then, and its left end end face contacts with step end face in the pipeline, referring to Fig. 2, at this moment, relinquishment handle wheel 14, spring 6 effects, inner sleeve and handle wheel move to left immediately, because the top power effect on the axial type inclined-plane on the inner sleeve 4 left side section outer wall, fastening piece 10 is extended radially out, until state as shown in Figure 2, connection on fastening piece 10 outer wall then protrudes from the outer wall of outer sleeve 7 with screw thread, then realization and pipeline thread coincide, rotatable handle wheel drives outer sleeves and fastening piece 10 rotations by the pin on the inner sleeve tube wall 12 on this basis, and the rotatable handle wheel is promptly realized screw-threaded coupling and quick with pipeline, connect reliably; During dismounting, the counterrotating handle wheel is at first removed the screw-threaded coupling state, so spurs handle wheel to the right, inner sleeve moves to right thereupon, inclined-plane on the releasing inner sleeve 4 left side section outer wall is to the top power of fastening piece, spring 11 effects, fastening piece 10 radial contraction, when the connection on the fastening piece outer wall concordant with the outer wall of outer sleeve 7 or when being lower than the outer wall of outer sleeve with threaded top, state can directly be extracted as shown in Figure 3, realizes fast quick-detach.

Compared with the prior art, advantage that the utility model has is: wear the fastening piece that connects with screw thread because its outer wall is set in the radial direction through hole of its outer sleeve, and the axial type inclined-plane is set on the outer wall of inner sleeve, by the operation of handle wheel and the effect on axial type inclined-plane, make the connection of the outer wall that can directly insert the fastening piece in the pipeline tapped hole realize coincideing and locking with screw thread and the pipeline thread that is connected; Take turns and make the fastening piece effect of the spring 11 of radial contraction automatically by operating grip, can remove the locking state of screw thread, and satisfy the insertion end of directly extracting this pipe joint in the pipeline thread hole, have and to connect fast and to dismantle, and simple, convenient, timesaving characteristics, be particularly useful for needing the pipe joint of regular installation, dismounting.

Fig. 1 is existing household gas range pipeline and the tank connected screw member structural drawing of combustion gas;

Fig. 2 is the utility model embodiment 1 a structural drawing, and Fig. 3 is that the outer wall of the fastening piece 10 in embodiment's 1 structure connects the phase diagram when using threaded top concordant with outer sleeve 7 outer wall.

Fig. 4 is the utility model embodiment 2 a structural drawing, and Fig. 5 is the A-A view of Fig. 4;

Fig. 6 is for being provided with the cross sectional view of a fastening piece 10 on outer sleeve 7 tube walls.

The utility model is described in further detail below in conjunction with embodiment and accompanying drawing.

Embodiment 1, and its structure is seen Fig. 2, Fig. 3.

One tubular axis 2 is arranged, the fluid passage is arranged in it, after the utility model and the required pipeline that is connected are realized connecting, this fluid passage communicates with the heavy connection of pipe that is connected, to connect whole pipe reliably, have on the right-hand member tube wall of tubular axis 2 to connect and use screw thread, the right section of tubular axis goes up and connects a collar 3, inner sleeve 4 is set on the outer wall of tubular axis 2, and the right-hand member of inner sleeve 4 engages with the left end of the collar 3, at junction point cavity 5 is set, the spring 6 of axial force is set in the cavity, the two ends of this spring act on the inner sleeve and the collar respectively, because the collar 3 is fixed connections, and the effect of spring 6, but inner sleeve 4 automatic axials are moved to left, in the left side of tubular axis 2 section outer wall, state is provided with one handle wheel 14 on the right-hand member body of inner sleeve 4 as shown in Figure 2 until displacement, rotate this handle wheel, inner sleeve can rotate along tubular axis 2 thereupon, and when spurring handle wheel to the right or under the effect of spring 6 handle wheel being moved axially, inner sleeve can move axially along tubular axis 2 thereupon.

The outer wall of inner sleeve 4 is provided with outer sleeve 7, the tube wall of outer sleeve left side section is provided with two radial direction through hole 8, on the right section tube wall of outer sleeve axial slots 9 is set, fastening piece 10 is set in the radial direction through hole 8, fastening piece 10 can radially move in radial direction through hole under external force, this fastening piece is the connector element that the utility model left end is connected with the pipeline realization, the spring 11 that acts on fastening piece 10 is set on the body of outer sleeve 7, when spurring handle wheel 14 to the right and drive inner sleeves and move to right, the effect of spring 11 can make fastening piece 10 radially shrink in radial direction through hole, pin 12 is set on the tube wall of inner sleeve 4, the top of this pin is positioned at the axial slots 9 on the outer sleeve 7 right section tube walls, when inner sleeve with the handle wheel shaft when mobile, pin 12 moves axially in axial slots thereupon.

On the left side section outer wall of inner sleeve 4 axial type inclined-plane 13 (or claiming the axial conical surface) is set, the inclined-plane that matches with this axial type inclined-plane is set on the internal face of fastening piece 10, when inner sleeve 4 is moved on the left side section outer wall of tubular axis 2 because of the responsive to axial force of spring 6 (state as shown in Figure 2), axial type inclined-plane on the inner sleeve 4 left side section outer wall produces top power to fastening piece 10, fastening piece 10 radially stretches out in radial direction through hole 8, connection on its outer wall then protrudes from the outer wall of outer sleeve 7 left side sections with screw thread and coincide with pipeline thread, when rotatable handle takes turns 14, inner sleeve 4 rotates thereupon, pin 12 tops on the inner sleeve tube wall promptly contact with the wall surface of the hole of axial slots 9, thereby the fastening piece that drives in outer sleeve and the radial direction through hole rotates, promptly realize screw-threaded coupling, the external diameter of pipe of outer sleeve 7 left side sections is equal to or less than the tapped hole internal diameter of pipeline; Counterrotating handle wheel 14, inner sleeve 4, outer sleeve 7 and fastening piece 10 be backward rotation thereupon, promptly remove the locking state of screw thread, spur handle wheel 14 then to the right, fastening piece 10 radially shrinks in radial direction through hole under the effect of spring 6 radial forces, connection on its outer wall is then concordant with the outer wall of outer sleeve 7 left side sections with threaded top, as Fig. 3, or be lower than the outer wall of outer sleeve 7 left side section, just left end of the present utility model can directly be extracted and realize fast quick-detach this moment.In the diagram, the axial type inclined-plane of inner sleeve 4 left side section outer wall is the two-part structure of axial direction, promptly establishes recess 15 at middle part, axial type inclined-plane, and the internal face of fastening piece 10 is corresponding with it, and the state after fastening piece 10 radial contraction is seen Fig. 3.

In addition, the left part of tubular axis 2 is provided with Sealing 16; Connection part at handle wheel 14 and inner sleeve 4 is provided with the torsion spring 17 that acts on handle wheel 14; The connection of tubular axis 2 right-hand members is with connecting a transit joint 18 on the screw thread, the outer end tube wall of transit joint is provided with to connect uses screw thread, and as the connector element of this routine pipe joint right-hand member and pipeline.In the diagram, the transit joint 18 and the collar 3 are split productions, and in the enforcement, both also can make integral body.

Embodiment 2.Its structure is seen Fig. 4.In this example, the axial type inclined-plane 13 on the inner sleeve 4 left side section outer wall is the structure on continous way inclined-plane, and fastening piece 10 internal faces correspondingly.Other are with embodiment 1.Fig. 5 shows two connections on fastening piece 10 outer wall protrude from outer sleeve 7 outer wall with screw thread cross section structure.

Fig. 6 is provided with the cross sectional view that fastening piece 10 is set in a radial direction through hole 8 and this radial direction through hole on outer sleeve 7 tube walls, and the connection of fastening piece 10 outer wall is concordant with outer sleeve 7 outer wall with threaded top.

Claims

1, a kind of pipe joint that can connect fast and dismantle is characterized in that:

(1) tubular axis is arranged, the fluid passage is arranged in the tubular axis, the right-hand member of tubular axis has to connect uses screw thread, the right section of tubular axis is provided with the collar, the outer wall of tubular axis is provided with inner sleeve, junction at inner sleeve right-hand member and collar left end is provided with a cavity, be provided with the spring of axial force in this cavity, described inner sleeve is movable to the outer wall of tubular axis left side section under the effect of this spring, the inner sleeve body is provided with handle wheel, rotates this handle wheel, and inner sleeve can rotate along tubular axis thereupon, when handle wheel moved axially, inner sleeve can move axially along tubular axis thereupon;

(2) outer wall of described inner sleeve is provided with outer sleeve, at least be provided with a radial direction through hole on the tube wall of outer sleeve left side section, the right section tube wall of outer sleeve is provided with axial slots, be provided with fastening piece in the described radial direction through hole, the outer wall of fastening piece is provided with to connect uses screw thread, the body of outer sleeve is provided with and acts on fastening piece, and make the spring of fastening piece radial contraction, described fastening piece can radially move in radial direction through hole under external force, the tube wall of described inner sleeve is provided with pin, the top of pin is positioned at the axial slots on the right section of the outer sleeve tube wall, when inner sleeve moved axially, pin can move axially in described axial slots thereupon;

(3) on the left side section outer wall of described inner sleeve the axial type inclined-plane is arranged, the inclined-plane that matches with this axial type inclined-plane is arranged on the internal face of described fastening piece;

(4) when inner sleeve is moved on the outer wall of tubular axis left side section, connection on the described fastening piece outer wall then protrudes from the outer wall of outer sleeve left side section with screw thread, when spurring handle wheel to the right, described inner sleeve moves axially thereupon, connection on the described fastening piece outer wall then can be concordant with the outer wall of outer sleeve left side section with threaded top, or be lower than the outer wall of outer sleeve left side section, when the rotatable handle wheel drove the inner sleeve rotation, the pin that is located on the inner sleeve tube wall can drive outer sleeve and fastening piece rotation.

2, according to the described a kind of pipe joint that can connect fast and dismantle of claim 1, it is characterized in that the left part of tubular axis (2) is provided with Sealing (16), be provided with the torsion spring (17) that acts on described handle wheel at the connection part of handle wheel (14) and inner sleeve (4).

3, according to claim 1 or 2 described a kind of pipe joints that can connect fast and dismantle, the connection that it is characterized in that tubular axis (2) right-hand member is with connecting a transit joint (18) on the screw thread, and the outer end tube wall of this transit joint is provided with to connect uses screw thread.