CN1257169A - Quick pipe joint for pipeline connection - Google Patents

Quick pipe joint for pipeline connection Download PDF

Info

Publication number
CN1257169A
CN1257169A CN 99122914 CN99122914A CN1257169A CN 1257169 A CN1257169 A CN 1257169A CN 99122914 CN99122914 CN 99122914 CN 99122914 A CN99122914 A CN 99122914A CN 1257169 A CN1257169 A CN 1257169A
Authority
CN
China
Prior art keywords
wall
fastening piece
sleeve
inner sleeve
tubular axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN 99122914
Other languages
Chinese (zh)
Other versions
CN1100957C (en
Inventor
郭力
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 99122914 priority Critical patent/CN1100957C/en
Publication of CN1257169A publication Critical patent/CN1257169A/en
Application granted granted Critical
Publication of CN1100957C publication Critical patent/CN1100957C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The pipe joint for quickly-connecting pipeline is characterized by that the outer wall surface of the pipe shaft is equipped with inner sleeve, the outer wall surface of the inner sleeve is equipped with outer sleeve, and the wall of outer sleeve is equipped with fastener with threaded outer wall surface, its outer sleeve also is equipped with handle wheel and spring acting on fastener, and the left part and right part of said spring are respectively tightly-fitted with outer wall surface of right end of inner sleeve and outer wall surface of spacer, and the outer wall surface of the inner sleeve is equipped with groove. The handle wheel is turned to drive the outer sleeve and fastener to make them turn, and when the inside of fastener is fallen intothe groove, the top of thread of its outer wall surface is smooth with outer wall surface of outer sleeve, and when the inside wall surface of fastener is slid to outer wall surface of inner sleeve, the screw-thread of its outer wall surface is projected from outer wall surface of outer sleeve.

Description

Be used for the quick coupling that pipeline connects
The invention belongs to a kind of quick coupling, be particularly useful for needing 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 invention is to provide a kind of quick coupling that pipeline connects that is used for, 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.
Technological scheme of the present invention is referring to Fig. 2.The present invention has tubular axis 2, in this tubular axis the fluid passage is arranged, after the present invention and pipeline are realized being connected, its fluid passage communicates with the heavy connection of pipe that is connected in two ends, the right-hand member of tubular axis 2 (refers to state that accompanying drawing is looked, down together) the connection thread section is arranged, outer outer sleeve 3 is set on the outer wall of tubular axis 2, the right section of tubular axis 2 is provided with the bounding means 9 to 3 position-limiting actions of outer sleeve, this bounding means can be limit baffle ring or spacing back-up ring, at least be provided with a radial direction through hole 4 on the tube wall of outer sleeve 3, be provided with fastening piece 5 in this radial direction through hole, have on the outer wall of fastening piece 5 to connect and use screw thread, fastening piece 5 can move radially in radial direction through hole 4, and can rotate with respect to tubular axis 2 with outer sleeve, also be provided with handle wheel 6 on the tube wall of outer sleeve 3, rotate this handle wheel, the fastening piece 5 that can drive in outer sleeve 3 and the radial direction through hole rotates with respect to tubular axis 2, and the body of outer sleeve 3 is provided with and acts on fastening piece 5, and make this fastening piece spring 7 of radial contraction automatically; The outer wall of tubular axis 2 be provided with radial direction through hole in fastening piece 5 corresponding grooves 8, referring to Fig. 3, when the fastening piece in the radial direction through hole 5 aligns groove 8 on tubular axis 2 outer wall with the rotation of outer sleeve, because the effect of spring 7,5 of fastening pieces radially inwardly shrink, and its inside line promptly falls in the groove 8, and this moment, the connection of fastening piece 5 outer wall was then concordant with the outer wall of outer sleeve 3 with threaded top, as shown in Figure 4, or be lower than the outer wall of outer sleeve 3; When fastening piece 5 rotates with outer sleeve 3, the interior sidewall surface that makes fastening piece 5 is by on the outer wall that slides onto tubular axis 2 in the groove 8 time, the top power that this moment, fastening piece was produced because of the tube wall face overcomes the active force of spring 7, then radially outward stretches out, the connection of fastening piece 5 outer wall then protrudes from the outer wall of outer sleeve 3 with screw thread, to realize coincideing with the pipeline thread that is connected.The quick coupling of this programme structure is realized connecting fast and operating process is: the connection by tubular axis 2 right-hand members with thread section with after corresponding pipeline connects, at first rotatable handle is taken turns, make fastening piece 5 inside lines be positioned at groove 8 on tubular axis 2 outer wall, state as shown in Figure 4, then this pipe joint left end is inserted in the screw of pipeline, and its left end end face contacts with step end face in the pipeline, referring to Fig. 2, again rotatable handle take turns about 1/4th or less than 1/4th the circle (deciding) according to the physical dimension that groove is set, the interior sidewall surface of fastening piece 5 is then by on the outer wall that slides onto tubular axis 2 in the groove, the connection of fastening piece 5 outer wall then protrudes from the outer wall of outer sleeve 3 with screw thread, state as shown in Figure 3, just realize coincideing with the connecting thread of pipeline, on this basis, rotatable handle is taken turns about 3/4ths circles again, interconnective screw thread is locked, realize that then the present invention is connected with the reliable of pipeline, promptly realize that by directly inserting fast and reliable is connected with the operation of rotatable handle wheel.The counterrotating handle wheel, when fastening piece 5 during thereupon to positive bevel 8, fastening piece then radially inwardly shrinks, and the connecting thread of fastening piece 5 outer wall is promptly removed and the coincideing and be connected of pipeline thread, and just can directly pull out left end of the present invention and realizes fast quick-detach.
Based on a kind of modification technological scheme of foregoing invention scheme referring to Fig. 5, its structure has tubular axis 2, in this tubular axis the fluid passage is arranged, after pipe joint of the present invention and pipeline are realized being connected, its fluid passage communicates with the heavy connection of pipe that is connected in two ends respectively, the right-hand member of tubular axis 2 has to connect uses thread section, the outer wall of tubular axis 2 is provided with inner sleeve 10, the right section of tubular axis 2 is provided with the bounding means 9 to 10 position-limiting actions of described inner sleeve, be illustrated as spacing back-up ring, also can be limit baffle ring, on the right section tube wall of inner sleeve 10 handle wheel 6 is set, the outer wall of inner sleeve 10 is provided with outer sleeve 3, is provided with a radial direction through hole 4 on the tube wall of outer sleeve 3 at least, be provided with fastening piece 5 in this radial direction through hole, have on the outer wall of fastening piece 5 to connect and use screw thread, fastening piece 5 can move radially in radial direction through hole, and the body of outer sleeve 3 is provided with and acts on fastening piece 5, and make this fastening piece spring 7 of radial contraction automatically, the outer wall of inner sleeve 10 be provided with radial direction through hole in fastening piece 5 corresponding grooves 8, referring to Fig. 6; Rotatable handle wheel 6, handle wheel drives inner sleeve 10 and rotates with respect to tubular axis 2 and outer sleeve 3 and fastening piece 5, when rotation inner sleeve 10 makes groove 8 on its outer wall positively fasten part 5, because the effect of spring 7,5 of fastening pieces radially inwardly shrink, its inside line promptly falls in the groove 8, and this moment, the connection of fastening piece 5 outer wall was then concordant with the outer wall of outer sleeve 3 with threaded top, or is lower than the outer wall of outer sleeve 3; Rotation when inner sleeve 10, the interior sidewall surface that makes fastening piece 5 is by on the outer wall that slides onto inner sleeve 10 in the groove on inner sleeve 3 outer wall time, at this moment, the top power that fastening piece is produced because of inner sleeve 10 outer wall overcomes the active force of spring 7, then radially outward stretches out, connection on fastening piece 5 outer wall then protrudes from the outer wall of outer sleeve 3 with screw thread, sees Fig. 6, to realize coincideing with the pipeline thread that is connected.The quick coupling of this flexible program structure is realized quick connection and operating process and aforementioned schemes thereof roughly the same.
Another kind of flexible program of the present invention is referring to Fig. 8.
Tubular axis 2 is arranged, in this tubular axis the fluid passage is arranged, after the present invention and pipeline are realized being connected, described fluid passage communicates with the heavy connection of pipe that is connected in two ends, the right-hand member of tubular axis 2 has to connect uses thread section, the outer wall of tubular axis 2 is provided with inner sleeve 10, and the right section of tubular axis 2 is provided with the bounding means 9 to 10 position-limiting actions of inner sleeve, is illustrated as limit baffle ring.The outer wall of inner sleeve 10 is provided with outer sleeve 3, at least be provided with a radial direction through hole 4 on the tube wall of outer sleeve 3, the body of outer sleeve 3 is provided with handle wheel 6, be provided with fastening piece 5 in the described radial direction through hole 4, have on the outer wall of fastening piece to connect and use screw thread, this fastening piece can move radially in radial direction through hole, the body of outer sleeve 3 is provided with and acts on fastening piece 5 and make this fastening piece spring 7 of radial contraction automatically, the outer wall of inner sleeve 10 be provided with radial direction through hole in fastening piece 5 corresponding grooves 8, referring to Fig. 6.
The right-hand member outer wall of inner sleeve 10 and the outer wall of bounding means 9 are provided with spring 17, about this spring the section respectively with the right-hand member outer wall of inner sleeve 10 and the outer wall drive fit of bounding means 9, the spring thread left end of described spring is connected with the tube wall of inner sleeve 10, right-hand member is a free end, when rotatable handle wheel 6 drives the outer sleeve rotation, 17 pairs of inner sleeves of spring play static relatively effect, to help outer sleeve 3 and fastening piece 5 to produce relative rotation, the interior sidewall surface that satisfies fastening piece 5 is by sliding onto on the outer wall of inner sleeve 10 in the described groove 8.
On the right section tube wall of inner sleeve 10, be provided with notch 18, see Figure 10, shifting block 19 is set on the internal face of handle wheel 6, the part of this shifting block is positioned at described notch 18, when handle wheel 6 rotations drive outer sleeve 3 and fastening piece 5 rotations, the interior sidewall surface of fastening piece 5 is by on the outer wall that slides onto inner sleeve 10 in the described groove time, one side of described shifting block 19 can be touched with the free end of spring 17, see Figure 10, make spring 17 loose and remove drive fit with inner sleeve 10 right-hand member outer wall and bounding means 9 outer wall, described shifting block 19 contacts with a side of notch 18 on the right section tube walls of inner sleeve 10 then, inner sleeve 10 can be rotated synchronously with outer sleeve 3 and fastening piece 5, to take turns by rotatable handle in the process of 6 locking screws, avoid the groove 8 on fastening piece 5 and the inner sleeve outer wall to align, satisfy handle wheel 6 above revolving the locking operation of turning around, during dismounting, the counterrotating handle wheel, shifting block 19 is corresponding moving in notch 18 thereupon, then remove and spring 17 free-ended touching, spring 17 promptly recovers the drive fit with inner sleeve outer wall and bounding means outer wall, installs to satisfy once more; This described content or adopt such scenario-frame: promptly cavity 21 is set in the junction of described inner sleeve 10 and bounding means 9, referring to Fig. 9, the spring 22 that its two ends act on inner sleeve and bounding means respectively is set in this cavity, when rotatable handle wheel 6 drives outer sleeve and fastening piece rotation, the axle spring power of spring 22 makes inner sleeve 10 static relatively, satisfy outer sleeve and fastening piece produces relative rotation, the interior sidewall surface of fastening piece 5 can be slid onto on the outer wall of inner sleeve in the groove by inner sleeve 10 outer wall, spring 22 is set also helps this joint of dismounting, when adopting this kind structure, after the connection of fastening piece outer wall coincide with screw thread and pipeline thread, rotatable handle was taken turns under the situation that is less than a circle (about 3/4ths circles) and is about to screw-threaded coupling again.
The interaction of each member is: rotatable handle wheel 6, handle wheel drives outer sleeve 3 and fastening piece 5 rotates with respect to inner sleeve 10, when fastening piece 5 rotates the groove 8 that aligns on inner sleeve 10 outer wall with outer sleeve, the inside line of fastening piece promptly falls in the described groove, at this moment, connection on fastening piece 5 outer wall is then concordant with the outer wall of outer sleeve 3 with threaded top, or be lower than the outer wall of outer sleeve 3, when fastening piece 5 rotates with outer sleeve 3, the interior sidewall surface that makes fastening piece 5 is by on the outer wall that slides onto inner sleeve 10 in the described groove 8 time, this moment, the connection of fastening piece 5 outer wall then protruded from the outer wall of outer sleeve 3 with screw thread, to realize coincideing with the screw thread that is connected.Realize quick connection and operating process thereof and aforementioned schemes roughly the same.
Compared with the prior art, the advantage that the present invention has is, because being set, its outer wall wears the fastening piece that connects with screw thread in the radial direction through hole of its outer sleeve, and corresponding groove is set on the outer wall of tubular axis or inner sleeve, when making the fastening piece inside line fall in the described groove by the rotatable handle wheel, this connecting end of the present invention just can directly insert in the screw of the pipeline that needs connection, the rotatable handle wheel is locked then, just can realize connecting reliably, during dismounting, the counterrotating handle wheel carries out corresponding operating, just can directly extract in the tapped hole by pipeline, have quick mounting and dismounting, and simple to operate, convenient, the timesaving characteristics needing to be particularly useful for regular installation, the pipe joint of dismounting.
Fig. 1 is existing household gas range pipe head and the tank connected screw member structural drawing of combustion gas;
Fig. 2 is the present invention program's example structure figure, and Fig. 3 is the A-A view of Fig. 2, and Fig. 4 shows the outer wall threaded top of fastening piece 5 cross sectional view when concordant with outer sleeve 3 outer wall;
Fig. 5 is the example structure figure of a kind of flexible program of the present invention, and Fig. 6 is the B-B view of Fig. 5, and Fig. 7 is the C-C view of Fig. 5;
Fig. 8 is the structural drawing of another kind of flexible program of the present invention;
Fig. 9 is the example structure figure on architecture basics shown in Figure 8;
Figure 10 is the D-D view of Fig. 9;
Figure 11 is provided with two fastening pieces 5 for outer sleeve 3 tube walls, and the connection on fastening piece 5 outer wall protrudes from the cross sectional view of outer sleeve 3 outer wall with screw thread, and Figure 12 connects the cross sectional view that is lower than outer sleeve 3 outer wall with threaded top on the outer wall of two fastening pieces 5.
Below in conjunction with embodiment and accompanying drawing the present invention is done further narration.
The present invention program's example structure is by shown in Figure 2.One tubular axis 2 is arranged, the fluid passage is arranged in it, in the present invention with after the required pipeline that is connected is realized connecting, this fluid passage communicates with the passage of the pipeline that is connected, to connect whole pipe reliably, the right-hand member of tubular axis 2 has to connect uses thread section, when being used to connect the gas source pipe of gas can and gas cooker, generally is connected with reduction valve; Outer sleeve 3 is set on the outer wall of tubular axis 2, the right section of tubular axis 2 is provided with the bounding means 9 to 3 position-limiting actions of outer sleeve, be illustrated as limit baffle ring, the tube wall of outer sleeve 3 is provided with a radial direction through hole 4, also two or three can be set, fastening piece 5 is set in the radial direction through hole 4, the outer wall of fastening piece 5 is provided with to connect uses screw thread, fastening piece 5 is the connector element that left end of the present invention is connected with pipeline, this fastening piece is under the effect of external force, in radial direction through hole, can produce radial contraction or extend radially out, be so-called moving radially, the tube wall of outer sleeve 3 is provided with the spring 7 that acts on fastening piece 5, the outer wall of tubular axis 2 be provided with radial direction through hole in the corresponding groove 8 of fastening piece, referring to Fig. 3, connect one handle wheel 6 on the wall body of outer sleeve 3, the external diameter of outer sleeve 3 is less than the internal diameter in connected pipeline thread hole, rotate this handle wheel, the fastening piece 5 that can drive on outer sleeve 3 and the outer sleeve tube wall rotates with respect to tubular axis, when rotatable handle wheel 6, when making fastening piece 5 align groove 8 on tubular axis 2 outer wall, the active force of spring 7 makes fastening piece 5 automatic radial contraction in radial direction through hole 4, then the inside line of fastening piece 5 promptly falls in the groove 8, referring to Fig. 4, the top of the fastening piece 5 outer wall screw threads under this kind state is then concordant with the outer wall of outer sleeve 3, Figure 12 shows that the state when fastening piece 5 outer wall threaded top are lower than outer sleeve 3 outer wall; Described situation is when the present invention installs just, and its left end directly inserts the state of pipeline tapped hole, the state of can be directly when also being dismounting extracting in the tapped hole; Rotatable handle wheel 6, fastening piece 5 promptly rotates along tubular axis 2 with outer sleeve 3, when turning an angle, the interior sidewall surface of fastening piece 5 is promptly by sliding onto in the groove 8 on the outer wall of tubular axis 2, see Fig. 3, because the top power that this outer wall produced, fastening piece 5 overcomes the active force of spring 7 and radially outward stretches out, connection on fastening piece 5 outer wall at this moment then protrudes from the outer wall of outer sleeve 3 with screw thread, this kind state connects the state that coincide with screw thread and pipeline thread for the fastening piece outer wall, on the basis of the identical state of screw thread, continue the rotatable handle wheel again and carry out screw-threaded coupling, can realize connecting reliably.In this routine structure, the connection of tubular axis 2 right-hand members uses thread section, the thread section on the tube wall of transit joint outer end to be the connecting end of this joint and pipeline with connecting a transit joint 11 on the thread section, have on the outer end tube wall of transit joint to connect.
The example structure of a kind of flexible program of the present invention is seen Fig. 5.Shown in Figure 5 is a kind of modification structures of structure shown in Figure 2, and identical member adopts same label.In this enforcement structure, tubular axis 2 is arranged, the fluid passage is arranged in the tubular axis, with after pipeline is connected, this fluid passage communicates with the heavy connection of pipe that is connected in the present invention, and the right-hand member of tubular axis 2 has to connect uses thread section, is used for the present invention and is connected with the pipeline of right-hand member; The outer wall of tubular axis 2 is provided with inner sleeve 10, the right section of tubular axis 2 is provided with the bounding means 9 to 10 position-limiting actions of inner sleeve, be illustrated as spacing back-up ring, inner sleeve 10 right section tube walls are provided with handle wheel 6, the rotatable handle wheel can drive inner sleeve 10 and rotate, the outer wall of inner sleeve 10 is provided with outer sleeve 3, a radial direction through hole 4 is set on the tube wall of outer sleeve 3, also can be uniform two or three are set, fastening piece 5 is set in the radial direction through hole, have on the outer wall of fastening piece to connect and use screw thread, fastening piece is the connector element of left end of the present invention, this fastening piece can move radially in radial direction through hole, the body of outer sleeve 3 is provided with the spring 7 that acts on fastening piece 5, the outer wall of inner sleeve 10 be provided with radial direction through hole in fastening piece 5 corresponding grooves 8, see Fig. 6, rotatable handle wheel 6, driving inner sleeve 10 rotates with respect to tubular axis 2 and outer sleeve 3 and fastening piece 5, when inner sleeve 10 rotates the groove 8 that makes on its outer wall when positively fastening part 5, because the effect of spring 7,5 radial contraction of fastening piece, its inside line promptly falls in the groove 8, the connection of fastening piece 5 outer wall is then concordant with the outer wall of outer sleeve 3 with threaded top, when the rotation of inner sleeve 10 with handle wheel, the interior sidewall surface that makes fastening piece 5 is by on the outer wall that slides onto inner sleeve 10 in the described groove 8 time, fastening piece 5 overcomes the active force of spring 7 because of the top power that this outer wall produced, then radially outward stretches out, connection on fastening piece 5 outer wall then protrudes from the outer wall of outer sleeve 3 with screw thread, to coincide with the pipeline thread that is connected.In addition, the left end tube wall of tubular axis 2 is provided with boss 12, and the spring 13 that acts on outer sleeve is set between the left end of this raised head face and outer sleeve 3, when inner sleeve 10 rotates, the active force of spring 13 makes relative static of outer sleeve 3, helps inner sleeve to rotate with respect to outer sleeve; Do not have notch 14 on the right-hand member wall of outer sleeve 3, see Fig. 7, the tube wall of inner sleeve 10 is provided with the boss 15 that is positioned at described notch; When 5 interior sidewall surface of the fastening piece in the radial direction through hole slide onto in by groove 8 on the outer wall of inner sleeve 10, one side of described boss 15 can contact (referring to Fig. 7) with a side of described notch 14, outer sleeve 3 and fastening piece 5 are rotated synchronously with inner sleeve 10, to take turns by rotatable handle in the process of 6 locking screws, avoid the groove 8 on fastening piece 5 and the inner sleeve outer wall to align and fall in the groove, satisfy handle wheel 6 above revolving the locking operation of turning around, satisfying under the situation of described requirement, described notch 14 can be greater than semicircle; During dismounting, counterrotating handle wheel, boss 15 be corresponding move in notch thereupon, satisfies fastening piece and groove 8 and align and dismantle this joint.The left part of tubular axis 2 is provided with Sealing 16, and the connection of tubular axis 2 right-hand members is with the transit joint 11 that can be provided with on the thread section as shown in Figure 2.
The example structure of another kind of flexible program of the present invention is seen Fig. 9.One tubular axis 2 is arranged, in this tubular axis the fluid passage is arranged, with after pipeline is realized being connected, described fluid passage communicates with the heavy connection of pipe that is connected in two ends, the right-hand member of tubular axis 2 has to connect uses thread section, inner sleeve 10 is set on the outer wall of tubular axis, the right section of tubular axis is provided with the bounding means 9 to 10 position-limiting actions of inner sleeve, be illustrated as limit baffle ring, the outer wall of inner sleeve 10 is provided with outer sleeve 3, and the tube wall of outer sleeve 3 is provided with a radial direction through hole 4, also two or three can be set, connect one handle wheel 6 on the body of outer sleeve, fastening piece 5 is set in the radial direction through hole 4, is provided with on the outer wall of fastening piece 5 to connect and uses screw thread, fastening piece 5 is the connector element of left end of the present invention and pipeline, this fastening piece can move radially in radial direction through hole 4, and the body of outer sleeve 3 is provided with the spring 7 that acts on fastening piece 5; The outer wall of inner sleeve 10 be provided with radial direction through hole in fastening piece 5 corresponding grooves 8, referring to Fig. 6; On the right-hand member outer wall of inner sleeve 10 and on the outer wall of bounding means 9 spring 17 is set, about this spring section respectively with the outer wall drive fit of inner sleeve right-hand member outer wall and bounding means 9, the spring thread left end of spring 17 is connected with the tube wall of inner sleeve 10, right-hand member is a free end, when rotatable handle wheel 6 drives outer sleeve 3 and fastening piece 5 rotations, because the drive fit of spring 17 and the effect that the spring left end is connected with inner sleeve, make inner sleeve 10 static relatively, to help fastening piece 5 interior sidewall surface by sliding onto on the outer wall of inner sleeve 10 in the described groove 8; On the tube wall of inner sleeve 10 right sections a notch 18 is set, sees Figure 10, a shifting block 19 is set on the internal face of handle wheel 6, the part of this shifting block is positioned at notch 18; When fastening piece 5 rotates with outer sleeve 3, its interior sidewall surface is by on the outer wall that slides onto inner sleeve in the groove on the inner sleeve outer wall 8 time, one side of shifting block 19 can be touched with the free end of spring 17, see Figure 10, make spring 17 loose, continuing rotatable handle again took turns 6 o'clock, then contact with a side of notch 18, and promotion inner sleeve 10 rotates synchronously with outer sleeve 3 and fastening piece 5, to connect in the process lock taking turns 6 double threads by rotatable handle, avoiding fastening piece 5 when being rotated further to align with groove 8 on inner sleeve 10 outer wall falls in the groove, satisfy handle wheel 6 above revolving the locking operation of turning around, satisfying under the situation of described requirement, notch 18 can be greater than semicircle; Rotate described handle wheel 6, when fastening piece 5 align with outer sleeve 3 rotation or radially overlapping inner sleeve 10 outer wall on groove 8 time, the interior then position of fastening piece promptly falls in the described groove, connection on fastening piece 5 outer wall is then concordant with the outer wall of outer sleeve 3 with threaded top, when fastening piece 5 rotates with outer sleeve 3, the interior sidewall surface that makes fastening piece 5 is by on the outer wall that slides onto inner sleeve 10 in the groove 8 time, connection on fastening piece 5 outer wall then protrudes from the outer wall of outer sleeve 3 with screw thread, when this state is in being connected of the present invention and pipeline, connection on fastening piece 5 outer wall promptly coincide with pipeline thread with screw thread, continue rotatable handle and took turns 6 o'clock, can realize screw-threaded coupling and connection reliably; During counterrotating handle wheel 6, the inside line of fastening piece 5 can travelling backwards in the groove 8 to inner sleeve 10 outer walls, and realizes fast quick-detach.In addition, on the left end tube wall of tubular axis 2 boss 12 is set, between the left end of this raised head face and outer sleeve 3, spring 20 is set, the scalability of this spring, can help connection the coincideing on fastening piece 5 outer wall with screw thread and pipeline thread, avoid occurring phenomenon, to prolong its working life because of the bayonet socket damaged screw; In this example, when spring 17 and the member relevant with it are set, be provided with cavity 21, be provided with the spring 22 that its two ends act on inner sleeve 10 and bounding means 9 respectively in this cavity in the junction of inner sleeve 10 and bounding means 9; The connection of tubular axis 2 right-hand members be with connecting transit joint 11 on the thread section, has on the tube wall of transit joint outer end to connect to use thread section, and as the connector element of right-hand member of the present invention and pipeline, shown in Fig. 9, transit joint 11 and bounding means 9 are split productions, in the enforcement, also both can be made integral body; Handle wheel 6 is provided with protecting cover 23; The left part of tubular axis 2 is provided with Sealing 16.
Figure 11 and Figure 12 show the cross section structure that outer sleeve 3 tube walls are provided with two fastening pieces 5, and two fastening pieces are uniform in the diagram.
The connection of each relevant member of the present invention is and is tightly connected.

Claims (10)

1, be used for the quick coupling that pipeline connects, it is characterized in that:
1) tubular axis is arranged, in this tubular axis the fluid passage is arranged, the right-hand member of described tubular axis has to connect uses thread section, and the outer wall of tubular axis is provided with outer sleeve, and the right section of tubular axis is provided with the bounding means that described outer sleeve is played position-limiting action,
2) be provided with a radial direction through hole on the tube wall of described outer sleeve at least, be provided with fastening piece in the radial direction through hole, have on the outer wall of fastening piece to connect and use screw thread, this fastening piece can move radially in described radial direction through hole, described outer sleeve tube wall is provided with the spring that fastening piece can radially be shunk automatically, also is provided with handle wheel on the body of outer sleeve, rotates this handle wheel, the fastening piece that can drive outer sleeve and be positioned at radial direction through hole rotates with respect to tubular axis
3) described tubular axis outer wall be provided with radial direction through hole in the corresponding groove of fastening piece, when fastening piece rotates the groove that aligns on the tubular axis outer wall with described outer sleeve, the inside line of fastening piece promptly falls in the described groove, connection on the fastening piece outer wall is then concordant with the outer wall of outer sleeve with threaded top, perhaps be lower than the outer wall of outer sleeve, when fastening piece rotates with described outer sleeve, the interior sidewall surface that makes fastening piece is by on the outer wall that slides onto described tubular axis in the described groove time, and the connection on the described fastening piece outer wall then protrudes from the outer wall of outer sleeve with screw thread.
2, according to the described quick coupling of claim 1, the connection that it is characterized in that described tubular axis (2) right-hand member is with connecting a transit joint (11) on the thread section, and the outer end tube wall of this transit joint is provided with to connect uses thread section.
3, be used for the quick coupling that pipeline connects, it is characterized in that:
1) tubular axis is arranged, in this tubular axis the fluid passage is arranged, the right-hand member of described tubular axis has to connect uses thread section, the outer wall of tubular axis is provided with inner sleeve, the right section of tubular axis is provided with the transfinite bounding means of position effect of described inner sleeve, and the right section of a described inner sleeve tube wall is provided with handle wheel
2) outer wall of described inner sleeve is provided with outer sleeve, at least be provided with a radial direction through hole on this outer sleeve tube wall, be provided with fastening piece in the radial direction through hole, have on the outer wall of fastening piece to connect and use screw thread, this fastening piece can move radially in described radial direction through hole, on the body of described outer sleeve, be provided with and act on fastening piece and make this fastening piece spring of radial contraction automatically
3) outer wall of described inner sleeve be provided with radial direction through hole in the corresponding groove of fastening piece,
4) the described handle wheel of rotation can drive inner sleeve and rotates with respect to tubular axis and outer sleeve and fastening piece, when the rotation of inner sleeve makes groove on its outer wall positively fasten part, the inside line of fastening piece promptly falls in the described groove, connection on the fastening piece outer wall is then concordant with the outer wall of outer sleeve with threaded top, or be lower than the outer wall of outer sleeve, when rotation because of inner sleeve, when making on the outer wall that slides onto inner sleeve in the groove of interior sidewall surface by inner sleeve of fastening piece, the connection of fastening piece outer wall then protrudes from the outer wall of overcoat with screw thread.
4, according to the described quick coupling of claim 3, it is characterized in that on the left end tube wall of tubular axis (2) boss (12) being arranged, between the left end of this boss and outer sleeve (3), be provided with the spring (13) that acts on outer sleeve.
5, according to the described quick coupling of claim 4, it is characterized in that on the right-hand member wall of outer sleeve (3), being provided with notch (14), the tube wall of inner sleeve (10) is provided with the boss (15) that is positioned at described notch, when the fastening piece in the radial direction through hole (5) interior sidewall surface slides onto in by groove (8) on the outer wall of inner sleeve (10), one side of described projection (15) can contact with a side of described notch (14), outer sleeve (3) and fastening piece (5) are rotated synchronously with inner sleeve, during counterrotating inner sleeve (10), boss (15) is corresponding moving in notch (14) thereupon.
6, according to claim 3 or 4 or 5 described quick couplings, the left part that it is characterized in that tubular axis (2) is provided with Sealing (16), the connection of tubular axis (2) right-hand member is provided with transition tube joint (11) with thread section, and the outer end tube wall of this transition tube joint is provided with to connect uses thread section.
7, be used for the quick coupling that pipeline connects, it is characterized in that:
1) tubular axis is arranged, in this tubular axis the fluid passage is arranged, the right-hand member of described tubular axis has to connect uses thread section, the outer wall of tubular axis is provided with inner sleeve, the right section of tubular axis is provided with the bounding means that described inner sleeve is played position-limiting action, and the outer wall of described inner sleeve is provided with outer sleeve
2) be provided with a radial direction through hole on the tube wall of described outer sleeve at least, the body of outer sleeve is provided with handle wheel, be provided with fastening piece in the described radial direction through hole, have on the outer wall of fastening piece to connect and use screw thread, this fastening piece can move radially in radial direction through hole, the body of outer sleeve is provided with and acts on fastening piece and make this fastening piece spring of radial contraction automatically
3) outer wall of described inner sleeve be provided with radial direction through hole in the corresponding groove of fastening piece,
4) on the right-hand member outer wall of described inner sleeve and the outer wall of described bounding means be provided with a spring, about this spring section respectively with the outer wall drive fit of inner sleeve right-hand member outer wall and bounding means, the spring thread left end of described spring is connected with the tube wall of inner sleeve, right-hand member is a free end, on the right section tube wall of described inner sleeve, be provided with notch, the internal face of handle wheel is provided with shifting block, the part of this shifting block is positioned at described notch, when the interior sidewall surface of described fastening piece slides onto in the groove on by the inner sleeve outer wall on the outer wall of inner sleeve, one side of described shifting block can be touched with the free end of described spring, and contact with notch one side on the right section of the inner sleeve tube wall then, inner sleeve can be rotated synchronously with described outer sleeve and fastening piece
Or one cavity is set in the junction of described inner sleeve and described bounding means, the spring that its two ends act on inner sleeve and bounding means respectively is set in this cavity, the axle spring power of this spring makes inner sleeve static relatively, satisfying outer sleeve and fastening piece rotates with respect to described inner sleeve
5) rotate described handle wheel, handle wheel drives outer sleeve and fastening piece rotates with respect to inner sleeve, when fastening piece rotates the groove that aligns on the inner sleeve outer wall with outer sleeve, the inside line of fastening piece promptly falls in the described groove, connection on the fastening piece outer wall is then concordant with the outer wall of outer sleeve with threaded top, or be lower than the outer wall of outer sleeve, when fastening piece rotates with described outer sleeve, the inner side end that makes fastening piece is by on the outer wall that slides onto inner sleeve in the described groove time, and the connection on the fastening piece outer wall then protrudes from the outer wall of outer sleeve with screw thread.
8,, it is characterized in that when being provided with described and inner sleeve (10) right-hand member outer wall, the friction tight spring of bounding means (9) outer wall (17), also being provided with the spring (22) that is positioned at cavity (21) simultaneously according to the described quick coupling of claim 7.
9, according to the described quick coupling of claim 8, it is characterized in that the left end body of tubular axis (2) is provided with boss (12), between the left end of the end face of this boss and outer sleeve (3), be provided with spring (20).
10, according to claim 7 or 8 or 9 described quick couplings, the left part that it is characterized in that tubular axis (2) is provided with Sealing (16), the connection of tubular axis (2) right-hand member is with connecting a transit joint (11) on the thread section, have on this transit joint outer end tube wall to connect and use thread section, handle wheel (6) is provided with protecting cover (23).
CN 99122914 1999-12-28 1999-12-28 Quick pipe joint for pipeline connection Expired - Fee Related CN1100957C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 99122914 CN1100957C (en) 1999-12-28 1999-12-28 Quick pipe joint for pipeline connection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 99122914 CN1100957C (en) 1999-12-28 1999-12-28 Quick pipe joint for pipeline connection

Publications (2)

Publication Number Publication Date
CN1257169A true CN1257169A (en) 2000-06-21
CN1100957C CN1100957C (en) 2003-02-05

Family

ID=5282703

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 99122914 Expired - Fee Related CN1100957C (en) 1999-12-28 1999-12-28 Quick pipe joint for pipeline connection

Country Status (1)

Country Link
CN (1) CN1100957C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2436965A2 (en) 2010-09-29 2012-04-04 La casa angela holding limited Pipe connector
CN102463302A (en) * 2010-11-03 2012-05-23 郭国奇 Water pipe interface molding device for automobile air-conditioner heater
CN110132368A (en) * 2019-06-03 2019-08-16 淄博贝林电子有限公司 A kind of gas meter, flow meter Anti-detachment joint and its application method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2436965A2 (en) 2010-09-29 2012-04-04 La casa angela holding limited Pipe connector
CN102463302A (en) * 2010-11-03 2012-05-23 郭国奇 Water pipe interface molding device for automobile air-conditioner heater
CN110132368A (en) * 2019-06-03 2019-08-16 淄博贝林电子有限公司 A kind of gas meter, flow meter Anti-detachment joint and its application method
CN111854883A (en) * 2019-06-03 2020-10-30 淄博贝林电子有限公司 Method for connecting gas meter and gas pipeline
CN111854883B (en) * 2019-06-03 2022-03-22 淄博贝林电子有限公司 Method for connecting gas meter and gas pipeline

Also Published As

Publication number Publication date
CN1100957C (en) 2003-02-05

Similar Documents

Publication Publication Date Title
CN1263974C (en) Quick connect coupling
CN106425956A (en) Bolt underwater dissembling and assembling tool
CN205560043U (en) Nut anti -disassembly's constructional device
CN1100957C (en) Quick pipe joint for pipeline connection
CN2399585Y (en) Fast pipe joint for pipeline connection
US20060225890A1 (en) Tubing rotator
CN2524047Y (en) Flanged connectors
CN213018176U (en) Prevent tearing open connecting piece and prevent tearing open connecting piece subassembly
CN209869381U (en) Device for rounding port of thick-wall polyethylene pipe
US20130111699A1 (en) Vacuum cleaner hose assembly connector
CN100436917C (en) Watertap discharging tube connecting device
CN205715189U (en) A kind of slip-off preventing and the abnormity nut of convenient dismounting
CN2793497Y (en) Fast joint of water-filtering pump
CN205689951U (en) Pipe fitting joint structure
CN201470734U (en) Quick disassembling through core device of tube bending machine
CN206830338U (en) Tail gas air extractor
CN218670283U (en) Structure of control box multi-directional section
CN110370213A (en) A kind of automobile fuel pump disassembly and assembly structure
CN214437112U (en) Y-shaped pipeline filter with quickly detachable valve cover
CN217270393U (en) External oil-gas separator
CN217208180U (en) Pipe fitting movable joint
CN207814032U (en) A kind of desulfurization slurry circulating pump impeller locking tool
CN218249217U (en) Air oxygen nitrogen separator with filtration
CN209483257U (en) Packing provision for disengagement
CN218063855U (en) Valve with quick-release joint

Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee