CN1100957C - Quick pipe joint for pipeline connection - Google Patents
Quick pipe joint for pipeline connection Download PDFInfo
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- CN1100957C CN1100957C CN 99122914 CN99122914A CN1100957C CN 1100957 C CN1100957 C CN 1100957C CN 99122914 CN99122914 CN 99122914 CN 99122914 A CN99122914 A CN 99122914A CN 1100957 C CN1100957 C CN 1100957C
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- fastening piece
- inner sleeve
- sleeve
- tubular axis
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Abstract
The present invention relates to a fast pipe joint for the connection of pipelines. An inner sleeve pipe 10 is arranged on the outer wall surface of a pipe shaft 2. An outer sleeve pipe 3 is arranged on the outer wall surface of the inner sleeve pipe. A fastener 5 is arranged on the wall of the outer sleeve pipe. The outer wall surface of the fastener 5 is provided with threads. A handle wheel 6 and a spring 7 which acts on the fastener are arranged on the outer sleeve pipe. The left section and the right section of a spring 17 are respectively tightly matched with the outer wall surface of the right end of the inner sleeve pipe and the outer wall surface of a limiting component 9. A beveling is arranged on the outer wall surface of the inner sleeve pipe. The handle wheel is rotated to drive the outer sleeve pipe and the fastener to rotate. When the inner side of the fastener falls into the beveling, the top of the threads of the outer wall surface is accordant with the outer wall surface of the outer sleeve pipe. When the inside wall surface of the fastener slides from the inner part of the beveling to the outer wall surface of the inner sleeve pipe, the threads of the outer wall surface of the fastener are convex on the outer wall surface of the outer sleeve.
Description
Technical field
The invention belongs to a kind of quick coupling, be particularly useful for needing the pipe joint of regular installing/dismounting, the pipe joint that is connected with the gas cooker pipeline as the domestic gas jar.
Background technique
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.
Summary of the invention
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, the height on the mating face of fastening piece 5 and described radial direction through hole 4 vestibule walls is equal to or greater than (not containing thread depth) pipe thickness of outer sleeve 3, fastening piece 5 can move radially in footpath 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 outer sleeve 3 and radial direction through hole rotates with respect to tubular axis 2, the body of outer sleeve 3 is provided with and acts on fastening piece 5, and the spring 7 that this fastening piece can be shunk from radius vector; 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 jacket pipelines 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 size 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, revolve again with handle and take turns about 3/4ths circles, make interconnective locking, 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 exceed 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, at least be provided with a radially passing 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, the height on the mating face of fastening piece 5 and described radial direction through hole 4 vestibule walls is equal to or greater than (not containing thread depth) pipe thickness of outer sleeve 3, fastening piece 5 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; 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.
The right-hand member outer wall of inner sleeve 10 and spacing 9 outer wall 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 tube wall with inner sleeve 10, right-hand member is a free end, when revolving handle wheel 6 drive outer sleeves rotations, 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 aligns the groove 8 of inner sleeve 10 outer wall with the outer sleeve rotation, the inside line of fastening piece promptly falls in the described groove, at this moment, connect then concordant on fastening piece 5 outer wall 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 outer sleeve 3 outer wall 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 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.
Description of drawings
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.
Embodiment
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 the outer sleeve 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 jacket pipelines, 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 structure shown in Figure 2
A kind of modification structures, 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 and be 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 and acts on the spring 7 that tightly encloses part 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 into the connection of groove 8 internal clamps 5 outer wall and uses threaded top concordant with the outer wall of outer sleeve 3, 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 face 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, jacket pipelines 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 fastening piece 5 to take place to align and fall in the groove with the groove on the inner sleeve outer wall 8, 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, and the left part of tubular axis 2 is provided with Sealing 16, and tubular axis 2 right-hand member connecting thread Duan Shangke are provided with transit joint shown in Figure 2 11.
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, have 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, establish outer sleeve 3 on the outer wall of inner sleeve 10, 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 sleeve pipe 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, spring 17 is 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 by handle wheel 6 double threads in the process of locking, 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 inwall that makes fastening piece 5 is by on the outer wall that slides to 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 be back in the groove 8 on 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 the deflation firmware in the radial direction through hole, have on the outer wall of fastening piece to connect and use screw thread, the height on the mating face of fastening piece and described radial direction through hole vestibule wall is equal to or greater than the pipe thickness of outer sleeve, 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 be provided with handle wheel on the body of outer sleeve, rotate this handle wheel, the fastening piece that can drive outer sleeve and be positioned at radial direction through hole rotates in tubular axis;
3) have on the described tubular axis outer wall with radial direction through hole in the corresponding groove of fastening piece, when fastening piece rotates when aligning on the tubular axis outer wall groove with described outer sleeve, the fastening piece inside line 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,, it is characterized in that the connection of described tubular axis (2) right-hand member is used thread section with connecting a transit joint (11) on the thread section, have on the outer end tube wall of this transit joint to connect according to the described quick coupling of claim 1.
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 bounding means that described inner sleeve is worked, and the right section of 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 wall 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 axle 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 fastening piece interior sidewall surface by inner sleeve, 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 pipe connecting 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, the height on the mating face of fastening piece and described radial direction through hole vestibule wall is equal to or greater than the pipe thickness of outer sleeve, and this fastening piece can move radially in radial direction through hole, and 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 tube wall of the spring thread left end inner sleeve of described spring connects, 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, satisfies outer sleeve and fastening piece and rotates with respect to described inner sleeve.
5) rotate described handle wheel, handle wheel drives outer sleeve and fastening piece produces moving with respect to inner sleeve, when fastening piece rotates the groove that aligns on the inner sleeve outer wall with outer sleeve, the inside portion 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 connects the outer wall that then protrudes from outer sleeve with screw thread by on the outer wall that slides onto inner sleeve in the described groove time on the fastening piece outer wall.
8,, it is characterized in that when being provided with described and the friction tight spring of inner sleeve (10) right-hand member outer wall 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).
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 CN1257169A (en) | 2000-06-21 |
| CN1100957C true 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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121550B (en) | 2010-09-29 | 2015-05-27 | 拉卡萨安吉拉股份有限公司 | Quick pipeline connecting method and joint using same |
| CN102463302A (en) * | 2010-11-03 | 2012-05-23 | 郭国奇 | Water pipe interface molding device for automobile air-conditioner heater |
| CN110132368B (en) * | 2019-06-03 | 2020-08-07 | 淄博贝林电子有限公司 | Gas meter anti-disassembly joint and use method thereof |
-
1999
- 1999-12-28 CN CN 99122914 patent/CN1100957C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1257169A (en) | 2000-06-21 |
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