CN110274103A - A kind of free flow coupling - Google Patents
A kind of free flow coupling Download PDFInfo
- Publication number
- CN110274103A CN110274103A CN201910578846.6A CN201910578846A CN110274103A CN 110274103 A CN110274103 A CN 110274103A CN 201910578846 A CN201910578846 A CN 201910578846A CN 110274103 A CN110274103 A CN 110274103A
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- Prior art keywords
- slot
- annular
- pipe portion
- connector
- wall
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- 230000008878 coupling Effects 0.000 title claims abstract description 18
- 238000010168 coupling process Methods 0.000 title claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000003780 insertion Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 claims description 5
- 210000003781 tooth socket Anatomy 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
- F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
- F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The present invention discloses a kind of free flow coupling, including tube body, the both ends of tube body are mounted on connector, sliding block is provided on the two sides outer wall of each connector, the both ends of tube body are provided with slot, sliding slot is provided on the inner wall of each slot, each slot is wherein provided with driving mechanism on the outside of the sliding slot of side, locking mechanism is provided on the outside of the sliding slot of each slot other side, the inner end of each connector passes through bellows and connects with the bottom of corresponding slot, free flow coupling further includes two lantern rings, each lantern ring includes first annular pipe portion and the second annular pipe portion, first annular pipe portion is connected with the second annular pipe portion by annular interconnecting piece, first annular pipe portion is provided with Taper Pipe portion far from one end of annular interconnecting piece, the first sealing ring is embedded on the outer wall in Taper Pipe portion, each connector is provided with annular on the outer wall far from tube body one end Inclined-plane is embedded with the second sealing ring on connector；The present invention is capable of the connection of the easily pipeline to cut-off part both ends.
Description
Technical field
The present invention relates to pipeline connection engineering device technique fields, and in particular to a kind of free flow coupling.
Background technique
In house fitment process, it will accidentally encounter drill bit and punch showing for the water pipe being embedded in inside wall
As needing to cut off the water pipe for being punched place by drill bit, and install pipe fitting in water pipe cut-off part, at present after water pipe is punched
Water pipe of the user used in fitment process is generally the water pipe of PPR material, which is to be connect by way of scalding and gluing with pipe
Head connection, but for the water pipe for punching place by drill bit, after which is cut off, in order to make pipe fitting
With the connection of the water pipe at cut-off part both ends, the gap of water pipe cut-off part is necessarily less than the length of pipe fitting (if water pipe cut-off part
Gap be greater than pipe fitting length if, pipe fitting cannot achieve the connection of the water pipe to cut-off part both ends completely), but
In actual mechanical process, when pipe fitting one end and the end of one of pipeline of cut-off part are scalded after gluing, due to water pipe cut-off part
Gap be less than the length of pipe fitting, the other end of connector be difficult to scald with the end of another pipeline of cut-off part it is viscous, thus
Have the shortcomings that big to the connection difficulty of the water pipe of cut-off part.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of free flow coupling, since its internal connector can stretch,
I.e. connector can stretch out tube body or be retracted into tube body, and so, connector can easily be connect with pipeline, thus pipe fitting
It is capable of the connection of the easily pipeline to cut-off part both ends.
A kind of free flow coupling disclosed by the invention, including tube body, the both ends of tube body are telescopically equipped with connector, often
The sliding block extended along joint length direction is provided on the two sides outer wall of a connector, the both ends of tube body are provided with for connector
The slot of tail portion insertion is provided with the sliding slot that can cooperate sliding with one of sliding block respectively on the inner wall of each slot, each
Slot is wherein provided with the driving mechanism stretched for drive sub on the outside of the sliding slot of side, and driving mechanism is close to the outer of tube body
End is provided with the locking mechanism for lock-on connection on the outside of the sliding slot of each slot other side, and locking mechanism is close to pipe
At the outer end of body, locking mechanism includes the slideway being arranged in tube body, and latch segment, latch segment have been slidably connected in slideway
Inner face on be provided with inserted block, be provided on the outer end face of the sliding block of inserted block side several for inserted block insertion lock
Tight slot, inserted block activity are inserted in one of locking slot after running through tube body, and capping is threaded at the outer end of slideway, are sealed
Activity is equipped with pull rod in lid, and pull rod one end is threadedly coupled with latch segment, and the pull rod other end stretches out in outside capping and is provided with drawing
Ring, the pull rod outer cover between capping and latch segment are equipped with for pushing tow latch segment so that inserted block is inserted into first in locking slot
Spring, is provided with circumferential position limiting structure between latch segment and slideway, the inner end of each connector pass through bellows with it is corresponding
The bottom of slot connects, and free flow coupling further includes two and is respectively used to set and is set on the end of one of them pipeline to be connected
Lantern ring, each lantern ring include insertion first annular pipe portion in the duct and for being partially sleeved on pipeline outer wall the
Second ring pipe portion, first annular pipe portion and the second annular pipe portion are connected by annular interconnecting piece, and first annular pipe portion is far from annular
One end of interconnecting piece is provided with Taper Pipe portion, and the outer diameter close to the Taper Pipe portion of first annular pipe portion side is greater than far from first annular pipe
The outer diameter in the Taper Pipe portion of portion side is embedded with the first sealing ring for being interference fitted with inner wall of the pipe on the outer wall in Taper Pipe portion,
Each connector is inserted in first annular pipe portion far from one end of tube body, and each connector is provided on the outer wall far from tube body one end
Annular slope for being bonded with the inner wall in Taper Pipe portion, be embedded on the connector of annular slope position for Taper Pipe portion
The second sealing ring for holding out against of inner wall.
According to an embodiment of the present invention, each driving mechanism includes being arranged on the outside of sliding slot and being connected to sliding slot
Cavity, cavity are internally provided with gear, and the bottom of cavity is provided with through-hole, and the lower thread of through-hole is connected with end cap, end cap
Upper surface on be provided with shaft, gear internal is provided with lower ending opening and turns for the blind hole of shaft insertion, gear and shaft
Dynamic connection is provided with the limiting stand of regular hexagon shape at the top of gear, is provided at the top of cavity for limiting stand insertion and can
With the limiting slot of the regular hexagon of limiting stand cooperation limit, the outer cover of shaft is equipped with for pushing gear so that limiting stand is embedded in
Second spring into limiting slot, the lower end of second spring are inserted into through-holes, the upper end of second spring and the lower end surface of gear
It offsets, the counterbore of regular hexagon is provided in the middle part of the upper surface of limiting stand, is provided at the top of cavity and is worn for allen wrench
It crosses to facilitate the channel for turning gear, channel is correspondingly arranged with counterbore, is provided on the outer end face of the sliding block of gear side
Tooth socket for being engaged with gear.
According to an embodiment of the present invention, the cavity that the tail portion of connector is provided with for bellows insertion, the bottom of cavity
Portion is provided with the first annular groove of wherein one end insertion for bellows, is threaded in first annular groove for inciting somebody to action
Wherein one end of bellows is pressed on the first pressing ring on connector, and third sealing ring, slot are embedded between bellows and connector
Bottom be provided with the second annular groove of the other end insertion for bellows, be embedded in second annular groove for by wave
The other end of line pipe is pressed on the second pressing ring on tube body, and the 4th sealing ring, the second pressing ring are embedded between bellows and tube body
Several are provided in circumferential equally distributed and outward bending elastic claw, each elasticity towards one end of second annular groove
It is provided with fixture block on the outer end face of pawl, the annular slot being caught in for fixture block is provided on the side wall of second annular groove.
According to an embodiment of the present invention, being provided on the second annular inner wall of the pipe portion far from annular interconnecting piece one end can
The first annular guide surface that outer wall cooperation with pipeline is oriented to facilitate the second annular pipe portion suit to pipeline external.
According to an embodiment of the present invention, it is provided with to cooperate with the inner wall of pipeline at the outer end of the first sealing ring and lead
To facilitate the second annular guide surface to facilitate the first sealing ring to be embedded into pipeline.
According to an embodiment of the present invention, circumferential position limiting structure includes a pair of of the positioning being arranged on latch segment periphery wall
Block, be provided on the inner wall of slideway two it is extending along slideway length direction and determine respectively for the sliding of one of locating piece
Position slot.
According to an embodiment of the present invention, the first inclined surface is provided at the inner end of inserted block, on the inner wall of locking slot
It is provided with second that latch segment can be facilitated to deviate from from locking slot with the first inclined surface cooperation guiding when connector is displaced outwardly
Inclined surface.
Connector inside the present invention can stretch, i.e., connector can stretch out tube body or be retracted into tube body, so, connect
Head can easily be connect with pipeline, so that pipe fitting is capable of the connection of the easily pipeline to cut-off part both ends.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is schematic view of the front view of the invention；
Fig. 2 is amplified structural schematic diagram at A in Fig. 1；
Fig. 3 is amplified structural schematic diagram at B in Fig. 1；
Fig. 4 is schematic cross-sectional view of the invention；
Fig. 5 is amplified structural schematic diagram at C in Fig. 4；
Fig. 6 is amplified structural schematic diagram at D in Fig. 4；
Fig. 7 is amplified structural schematic diagram at E in Fig. 4；
Schematic cross-sectional view after Fig. 8 is tube body, connector, driving mechanism are connected with locking mechanism；
Fig. 9 is amplified structural schematic diagram at F in Fig. 8；
Figure 10 is amplified structural schematic diagram at G in Fig. 8；
Figure 11 is the structural schematic diagram of gear.
Specific embodiment
Multiple embodiments of the invention will be disclosed with schema below, as clearly stated, the details in many practices
It will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit the present invention.Also
It is to say, in some embodiments of the invention, the details in these practices is non-essential.In addition, for the sake of simplifying schema,
Some known usual structures and component will be painted it in the drawings in simply illustrative mode.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, not especially censure
The meaning of order or cis-position, also non-to limit the present invention, the component described just for the sake of difference with same technique term
Or operation, it is not understood to indicate or imply its relative importance or implicitly indicates the number of indicated technical characteristic
Amount." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one of the features.In addition, each
Technical solution between a embodiment can be combined with each other, but must can be implemented as base with those of ordinary skill in the art
Plinth will be understood that the combination of this technical solution is not present when conflicting or cannot achieve when occurs in the combination of technical solution,
Also not the present invention claims protection scope within.
Free flow coupling of the invention, including tube body 1, the both ends of tube body 1 are telescopically equipped with connector 2, Mei Gejie
The sliding block 21 extended along 2 length direction of connector is provided on first 2 two sides outer wall, the both ends of tube body 1 are provided with for connector 2
Tail portion insertion slot 11, the cunning that can cooperate sliding with one of sliding block 21 respectively is provided on the inner wall of each slot 11
Slot 12, the outside of each slot 11 wherein sliding slot 12 of side are provided with the driving mechanism stretched for drive sub 2, driving machine
For structure at the outer end of tube body 1, the outside of the sliding slot 12 of each 11 other side of slot is provided with the locking for lock-on connection 2
Structure, for locking mechanism at the outer end of tube body 1, locking mechanism includes the slideway 19 being arranged in tube body 1, can in slideway 19
Being slidably connected has latch segment 71, and inserted block 711 is provided on the inner face of latch segment 71, the sliding block 21 positioned at 711 side of inserted block
Outer end face on be provided with several locking slots 27 being inserted into for inserted block 711, the activity of inserted block 711 is inserted in after tube body 1
In one of locking slot 27, capping 72 is threaded at the outer end of slideway 19, activity is equipped with pull rod 73 in capping 72,
73 one end of pull rod is threadedly coupled with latch segment 71, and 73 other end of pull rod stretches out in outside capping 72 and be provided with pull ring 731, capping 72
73 outer cover of pull rod between latch segment 71 is equipped with for pushing tow latch segment 71 so that inserted block 711 is inserted into locking slot 27
First spring 74, is provided with circumferential position limiting structure between latch segment 71 and slideway 19, the inner end of each connector 2 passes through ripple
The bottom of pipe 3 and corresponding slot 11 connects, and free flow coupling further includes two and is respectively used to set and is set to one of them wait connect
Pipeline 4 end on lantern ring 5, each lantern ring 5 includes insertion first annular pipe portion 51 within the duct 4 and is used for part
The annular pipe portion 52 of second be sleeved on 4 outer wall of pipeline, first annular pipe portion 51 and the second annular pipe portion 52 pass through annular connection
Portion 53 connects, and first annular pipe portion 51 is provided with Taper Pipe portion 54 far from one end of annular interconnecting piece 53, close to first annular pipe portion
The outer diameter in the Taper Pipe portion 54 of 51 sides is greater than the outer diameter in the Taper Pipe portion 54 far from first annular 51 side of pipe portion, Taper Pipe portion 54 it is outer
The first sealing ring 55 for being interference fitted with 4 inner wall of pipeline is embedded on wall, each connector 2 is inserted into far from one end of tube body 1
In first annular pipe portion 51, it is provided on each outer wall of the connector 2 far from 1 one end of tube body for being pasted with the inner wall in Taper Pipe portion 54
The annular slope 22 of conjunction is embedded on the connector 2 of 22 position of annular slope for holding out against with the inner wall in Taper Pipe portion 54
Second sealing ring 23；Above-mentioned locking mechanism can be realized the locking of butt joint, i.e., after locking mechanism lock-on connection, connector can not contract
Enter into tube body, so, connector is enabled to preferably to hold out against with lantern ring, when needing butt joint to be unlocked, draws
Dynamic pull ring, so that inserted block is deviate from from locking slot；When needing butt joint to lock, so that inserted block is inserted into locking slot i.e.
It can.
Each driving mechanism includes the cavity 13 that 12 outside of sliding slot is arranged in and is connected to sliding slot 12, the inside of cavity 13
Be provided with gear 61, the bottom of cavity 13 is provided with through-hole 14, and the lower thread of through-hole 14 is connected with end cap 62, end cap 62 it is upper
Shaft 621, the blind hole 611 that gear 61 is internally provided with lower ending opening and is inserted into for shaft 621, gear 61 are provided on end face
It is rotatablely connected with shaft 621, the top of gear 61 is provided with the limiting stand 612 of regular hexagon shape, and the top of cavity 13 is provided with
The limiting slot 15 of the regular hexagon of limit, the outer cover of shaft 621 are embedded in and can cooperated with limiting stand 612 for limiting stand 612
Equipped with for pushing gear 61 so that limiting stand 612 is embedded into the second spring 63 in limiting slot 15, the lower end of second spring 63
It is inserted in through-hole 14, the upper end of second spring 63 and the lower end surface of gear 61 offset, setting in the middle part of the upper surface of limiting stand 612
There is the counterbore 613 of regular hexagon, the top of cavity 13, which is provided with, to be passed through for allen wrench to facilitate and turn the logical of gear 61
Road 16, channel 16 are correspondingly arranged with counterbore 613, are provided with and are used for and gear on the outer end face of the sliding block 21 of 61 side of gear
The tooth socket 24 of 61 engagements；When driving mechanism needs drive sub to be stretched, it is inserted into after allen wrench is passed through channel
In counterbore, and gear is pushed with allen wrench, so that limiting stand is detached from limiting slot, shaft is completely inserted into the blind of gear at this time
Then Kong Zhong rotates allen wrench, under the mating reaction of gear and tooth socket, connector can stretch with respect to tube body,
When connector flexes outward, connector is inserted into being pre-installed on outer end and Taper Pipe in the lantern ring on pipe end, when connector
When portion offsets, connector and lantern ring can be tightly connected by the second sealing ring, after connector and lantern ring are held out against, by allen wrench
It is gradually removed from channel, second spring can push gear mobile to limiting slot side at this time, then finally make limiting stand
Chimeric with limiting slot, so, gear can be locked；When lantern ring and pipe end assemble, the first sealing ring energy
Enough and pipeline inner wall is interference fitted, and lantern ring can realize sealed connection between pipeline.
The tail portion of connector 2 is provided with the cavity 25 being embedded in for bellows 3, and the bottom of cavity 25 is provided with for bellows
The first annular groove 26 of 3 wherein one end insertion, be threaded in first annular groove 26 for by bellows 3 wherein
One end is pressed on the first pressing ring 31 on connector 2, and third sealing ring 32, the bottom of slot 11 are embedded between bellows 3 and connector 2
Portion is provided with the second annular groove 17 of the other end insertion for bellows 3, is embedded in second annular groove 17 for inciting somebody to action
The other end of bellows 3 is pressed on the second pressing ring 33 on tube body 1, and the 4th sealing ring is embedded between bellows 3 and tube body 1
34, one end of the second pressing ring 33 towards second annular groove 17 is provided with several in circumferential equally distributed and outward bending
Elastic claw 331 is provided with fixture block 332 on the outer end face of each elastic claw 331, is provided on the side wall of second annular groove 17
The annular slot 18 being caught in for fixture block 332；After by using this structure, bellows can be reliably close with connector and tube body
Envelope connection, and during in connector retraction tube body, bellows can be retracted into cavity, stretch out the process of tube body in connector
In, bellows can stretch.
It is provided with to cooperate with the outer wall of pipeline 4 on second annular inner wall of the pipe portion 52 far from 53 one end of annular interconnecting piece and lead
To facilitate the second annular 52 sets of pipe portion to be attached to the first annular guide surface 521 outside pipeline 4；Pass through first annular guide surface
Setting, first annular guide surface can cooperate with the outer wall of pipeline to be oriented to facilitate the second annular pipe portion suit to the outside of pipeline.
Be provided at the outer end of first sealing ring 55 can cooperate with the inner wall of pipeline 4 be oriented to it is first close to facilitate to facilitate
Seal 55 is embedded into the second annular guide surface 551 in pipeline 4；Pass through the setting of the second annular guide surface, the second annular guiding
Face can cooperate with the inner wall of pipeline to be oriented to, to facilitate the first sealing ring to be embedded into the inner wall interference fit in pipeline and with pipeline.
Circumferential position limiting structure includes a pair of of the locating piece 712 being arranged on 71 periphery wall of latch segment, on the inner wall of slideway 19
It is provided with two locating slots 191 that are extending along 19 length direction of slideway and sliding respectively for one of locating piece 712；?
After locating piece and locating slot are slidably matched, stability when latch segment sliding can not only be improved, and can be realized to latch segment
Circumferential limit, the phenomenon that avoiding latch segment from circumferentially rotating.
The first inclined surface 713 is provided at the inner end of inserted block 711, be provided on the inner wall of locking slot 27 connector 2 to
Second inclined surface of the guiding to facilitate latch segment 71 to deviate from from locking slot 27 can be cooperated when outer mobile with the first inclined surface 713
28；By the setting of the first inclined surface and the second inclined surface, one, which comes the first inclined surface, to cooperate guiding with the second inclined surface, with side
Just inserted block is inserted into locking slot, and two, during connector is displaced outwardly, and in connector and lantern ring grafting, inserted block energy
It is enough to deviate from from a locking slot automatically and snap onto another locking slot.
The upper only embodiments of the present invention, are not intended to restrict the invention.For those skilled in the art
For, the invention may be variously modified and varied.All any modifications made in spirit and principles of the present invention are equal
Replacement, improvement etc., should all be included within scope of the presently claimed invention.
Claims (7)
1. a kind of free flow coupling, including tube body (1), it is characterised in that: the both ends of the tube body (1) are telescopically equipped with
Connector (2) is provided with the sliding block (21) extended along connector (2) length direction, the pipe on the two sides outer wall of each connector (2)
The both ends of body (1) are provided with the slot (11) of the tail portion insertion for connector (2), are provided on the inner wall of each slot (11) point
The sliding slot (12) of sliding, the outside of each slot (11) wherein sliding slot (12) of side can be cooperated with one of sliding block (21)
It is provided with the driving mechanism stretched for drive sub (2), the driving mechanism is each to insert at the outer end of tube body (1)
The locking mechanism for lock-on connection (2) is provided on the outside of the sliding slot (12) of slot (11) other side, the locking mechanism is close
At the outer end of tube body (1), the locking mechanism includes the slideway (19) being arranged in tube body (1), can in the slideway (19)
Being slidably connected has latch segment (71), is provided with inserted block (711) on the inner face of the latch segment (71), is located at inserted block (711)
Several are provided on the outer end face of the sliding block (21) of side for the locking slot (27) of inserted block (711) insertion, the inserted block
(711) activity is inserted in one of locking slot (27) after tube body (1), and screw thread connects at the outer end of the slideway (19)
It is connected to capping (72), activity is equipped with pull rod (73) in the capping (72), described pull rod (73) one end and latch segment (71) spiral shell
Line connection, pull rod (73) other end stretch out in capping (72) outside and are provided with pull ring (731), the capping (72) and locking
Pull rod (73) outer cover between block (71) is equipped with for pushing tow latch segment (71) so that inserted block (711) is inserted into locking slot (27)
In the first spring (74), circumferential position limiting structure is provided between the latch segment (71) and slideway (19), each connector (2)
Inner end passes through bellows (3) and connects with the bottom of corresponding slot (11), and the free flow coupling further includes two difference
For covering the lantern ring (5) being set on the end of one of them pipeline to be connected (4), each lantern ring (5) includes being inserted in pipe
First annular pipe portion (51) in road (4) and for being partially sleeved on pipeline (4) outer wall second annular pipe portion (52) are described
First annular pipe portion (51) and the second annular pipe portion (52) pass through annular interconnecting piece (53) and connect, the first annular pipe portion (51)
One end far from annular interconnecting piece (53) is provided with Taper Pipe portion (54), close to the Taper Pipe portion (54) of first annular pipe portion (51) side
Outer diameter be greater than the outer diameter in the Taper Pipe portion (54) far from first annular pipe portion (51) side, it is embedding on the outer wall of the Taper Pipe portion (54)
Equipped with the first sealing ring (55) for being interference fitted with pipeline (4) inner wall, each connector (2) is inserted far from the one end of tube body (1)
Enter in first annular pipe portion (51), each connector (2) far from tube body (1) one end outer wall on be provided with for Taper Pipe portion
(54) annular slope (22) of inner wall fitting, is embedded on the connector (2) of annular slope (22) position and is used for
The second sealing ring (23) held out against with the inner wall of Taper Pipe portion (54),.
2. free flow coupling according to claim 1, which is characterized in that each driving mechanism includes being arranged in sliding slot
(12) cavity (13) being connected on the outside of and with sliding slot (12), the cavity (13) are internally provided with gear (61), the cavity
(13) bottom is provided with through-hole (14), and the lower thread of the through-hole (14) is connected with end cap (62), the end cap (62)
It is provided on upper surface shaft (621), the gear (61) is internally provided with lower ending opening and for the blind of shaft (621) insertion
Hole (611), the gear (61) and shaft (621) are rotatablely connected, and are provided with regular hexagon shape at the top of the gear (61)
Limiting stand (612) is provided at the top of the cavity (13) for limiting stand (612) insertion and can cooperate with limiting stand (612)
The limiting slot (15) of the regular hexagon of limit, the outer cover of the shaft (621) are equipped with for pushing gear (61) so that limit
Platform (612) is embedded into the second spring (63) in limiting slot (15), and the lower end of the second spring (63) is inserted in through-hole (14)
In, the upper end of the second spring (63) and the lower end surface of gear (61) offset, and set in the middle part of the upper surface of the limiting stand (612)
Be equipped with the counterbore (613) of regular hexagon, be provided at the top of the cavity (13) for allen wrench pass through turned with facilitating
The channel (16) of gear (61), the channel (16) are correspondingly arranged with counterbore (613), are located at the sliding block (21) of gear (61) side
Outer end face on be provided with tooth socket (24) for engaging with gear (61).
3. free flow coupling according to claim 1, which is characterized in that the tail portion of the connector (2) is provided with for wave
The cavity (25) of line pipe (3) insertion, the bottom of the cavity (25) are provided with the of wherein one end insertion for bellows (3)
One annular groove (26) is threaded in the first annular groove (26) for compressing wherein one end of bellows (3)
The first pressing ring (31) on connector (2) is embedded with third sealing ring (32) between the bellows (3) and connector (2), described
The bottom of slot (11) is provided with the second annular groove (17) of the other end insertion for bellows (3), second annular
The second pressing ring (33) for being pressed on the other end of bellows (3) on tube body (1), the ripple are embedded in groove (17)
The 4th sealing ring (34) is embedded between pipe (3) and tube body (1), and second pressing ring (33) is towards second annular groove (17)
One end is provided with several in circumferential equally distributed and outward bending elastic claw (331), the outer end of each elastic claw (331)
It is provided on face fixture block (332), is provided with the ring being caught in for fixture block (332) on the side wall of the second annular groove (17)
Shape card slot (18).
4. free flow coupling according to claim 1, which is characterized in that the described second annular pipe portion (52) connects far from annular
It is provided with to cooperate with the outer wall of pipeline (4) on the inner wall of socket part (53) one end and be oriented to facilitate the second annular pipe portion (52) to be set with
The first annular guide surface (521) external to pipeline (4).
5. free flow coupling according to claim 1, which is characterized in that set at the outer end of first sealing ring (55)
Be equipped with can cooperate with the inner wall of pipeline (4) be oriented to facilitate with facilitate that the first sealing ring (55) is embedded into pipeline (4) second
Annular guide surface (551).
6. free flow coupling according to claim 1, which is characterized in that the circumferential direction position limiting structure includes that setting is being locked
A pair of of locating piece (712) on block (71) periphery wall is provided with two along slideway (19) length on the inner wall of the slideway (19)
Locating slot (191) that is that direction extends and being slided respectively for one of locating piece (712).
7. free flow coupling according to claim 1, which is characterized in that be provided at the inner end of the inserted block (711)
First inclined surface (713), being provided with when connector (2) is displaced outwardly on the inner wall of the locking slot (27) can be with the first inclined surface
(713) second inclined surface (28) of the cooperation guiding to facilitate latch segment (71) to deviate from from locking slot (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910578846.6A CN110274103B (en) | 2019-06-28 | 2019-06-28 | Straight-through pipe joint |
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| CN110274103A true CN110274103A (en) | 2019-09-24 |
| CN110274103B CN110274103B (en) | 2020-10-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750961A (en) * | 2022-11-11 | 2023-03-07 | 贵州电网有限责任公司 | Connecting device of oil chromatogram on-line monitoring air feed bottle |
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| FR2648893A1 (en) * | 1989-06-27 | 1990-12-28 | Devtex | Device for connecting a rotating pipe to a stationary coaxial pipe |
| CN1071126A (en) * | 1991-09-21 | 1993-04-21 | 克虎伯工业技术有限公司 | Shock absorber for hydraulic gearing |
| CN201011412Y (en) * | 2006-07-10 | 2008-01-23 | 顾和国 | Telescopic tube |
| CN102359683A (en) * | 2011-10-12 | 2012-02-22 | 陈墅庚 | Plunger-type double-safety pipeline compensator |
| CN202510892U (en) * | 2012-04-11 | 2012-10-31 | 庞德兴 | Hollow positioning steering connector |
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2019
- 2019-06-28 CN CN201910578846.6A patent/CN110274103B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2648893A1 (en) * | 1989-06-27 | 1990-12-28 | Devtex | Device for connecting a rotating pipe to a stationary coaxial pipe |
| CN1071126A (en) * | 1991-09-21 | 1993-04-21 | 克虎伯工业技术有限公司 | Shock absorber for hydraulic gearing |
| CN201011412Y (en) * | 2006-07-10 | 2008-01-23 | 顾和国 | Telescopic tube |
| CN102359683A (en) * | 2011-10-12 | 2012-02-22 | 陈墅庚 | Plunger-type double-safety pipeline compensator |
| CN202510892U (en) * | 2012-04-11 | 2012-10-31 | 庞德兴 | Hollow positioning steering connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750961A (en) * | 2022-11-11 | 2023-03-07 | 贵州电网有限责任公司 | Connecting device of oil chromatogram on-line monitoring air feed bottle |
| CN115750961B (en) * | 2022-11-11 | 2024-07-09 | 贵州电网有限责任公司 | Connecting device for oil chromatography on-line monitoring gas supply bottle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110274103B (en) | 2020-10-23 |
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Effective date of registration: 20200910 Address after: No.1-8 Jinniu Road, Binjiang Economic Development Zone, Xinbei District, Changzhou City, Jiangsu Province Applicant after: Infily hydraulic technology (Changzhou) Co., Ltd Address before: 315000 No. 49, Group 5, Shenxi, Shenfengshui Village, Jiangshan Town, Yinzhou District, Ningbo City, Zhejiang Province Applicant before: Shen Xinguang |
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Address after: No.1-8, Jinniu Road, Binjiang Economic Development Zone, Xinbei District, Changzhou City, Jiangsu Province, 213000 Patentee after: Infineon hydraulic technology (Changzhou) Co.,Ltd. Address before: No.1-8, Jinniu Road, Binjiang Economic Development Zone, Xinbei District, Changzhou City, Jiangsu Province, 213000 Patentee before: Infily hydraulic technology (Changzhou) Co., Ltd |