CN207715942U - A kind of water swelling machine pipeline connecting device - Google Patents
A kind of water swelling machine pipeline connecting device Download PDFInfo
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- CN207715942U CN207715942U CN201721881011.0U CN201721881011U CN207715942U CN 207715942 U CN207715942 U CN 207715942U CN 201721881011 U CN201721881011 U CN 201721881011U CN 207715942 U CN207715942 U CN 207715942U
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- circle
- ring
- connecting device
- water swelling
- machine pipeline
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Abstract
The utility model provides a kind of water swelling machine pipeline connecting device, it includes valve block, jointing；The valve block is equipped with connecting interface；The jointing is mounted in connecting interface；The jointing includes：Shell, keeps circle, O-ring at clamp ring；The enclosure interior is equipped with stepped hole；The side of the stepped hole is sealing endoporus；The holding circle, O-ring are arranged in sealing endoporus；Locking groove is equipped on the outside of the other end of the shell；The clamp ring passes through and locking groove match.The utility model is simple in structure, easy to use, and quick-replaceable may be implemented in O-ring, keeps circle that can keep the distance between each O-ring, and the end of circle is kept to be equipped with arc shaped groove；The structure of O-ring can be protected not deformed when pipe is inserted into excessive, lead to O-ring broken invalid.
Description
Technical field
The utility model belongs to water swelling machine technical field of pipeline connection, and in particular to a kind of water swelling machine pipeline connecting device.
Background technology
The connection of exchanger tubes and tubesheets mainly have expanded joint, welding and expanded and welded tube joint and with etc. several methods, and expanding joint method can be with
It is divided into the several methods such as mechanical expanding, Hydraulic expansion-jointing, rubber expanded joint and explosive expansion joint.Domestic enterprise is generally using mechanical expansion
Method is connect, this method labor intensity is big, and working efficiency is low.When the heat exchanger that tube sheet is more than 100mm cannot achieve through thickness expanded joint,
And the indexs such as practical pipe expansion ratio, pulling-out force and sealed pressure are without direct correlation, operator mainly rule of thumb determines that expanded joint is tight
Degree, expanded joint quality is affected by human factors bigger.And lubricant medium used can penetrate into the gap of tube-to-tube sheet connection when expanded joint
Among, have an adverse effect to subsequent welding quality.
The fluid pressure line or hydraulic circuit of existing electric tube expander and the junction structure of heat exchanger tube are complex, need first
By the end crimp of heat exchanger tube or by the way of machinery, so that nozzle is first deformed, then exchange heat pipe again and be clamped, this
Kind clamping structure is complex, needs other driving mechanisms that could realize clamping.
Invention content
In order to which the fluid pressure line or the junction structure of hydraulic circuit and heat exchanger tube that solve existing electric tube expander are complex,
The problem of needing other driving mechanisms that could realize clamping, the utility model provide a kind of water swelling machine pipeline connecting device.
A kind of water swelling machine pipeline connecting device, it includes valve block, jointing；The valve block is equipped with connecting interface；
The jointing is mounted in connecting interface；The jointing includes：Shell, keeps circle, O-ring at clamp ring；Institute
The enclosure interior stated is equipped with stepped hole；The side of the stepped hole is sealing endoporus；The holding circle, O-ring setting exist
It seals in endoporus；Locking groove is equipped on the outside of the other end of the shell；The clamp ring passes through and locking groove match；
Further, circle, the setting of O-ring interval are kept；The quantity of the holding circle is at least 2, and O-ring is at least
1；
Further, the end of the holding circle is equipped with arc shaped groove；The O-ring is arranged in two adjacent arc shaped grooves
It is interior；
Further, the holding circle keeps the outer hole wall and sealing endoporus clearance fit of circle in annular shape；Described
Keep the outer wall clearance fit of the inner hole wall and pipe of circle；
Further, the maximum outside diameter of the O-ring is more than the diameter of sealing endoporus, and minimum diameter is less than the outer of pipe
Diameter；
Further, the clamp ring end is additionally provided with chamfering；The end of the pipe is equipped with chamfering；
Further, the holding circle further includes the first holding circle；Described first keeps one end of circle to be equipped with bayonet；
The bayonet is in annular groove shape；Described first keeps another-end of circle to be equipped with arc shaped groove；Described first keeps circle to be equipped with card
Mouth one end is mounted on the bottom of sealing endoporus.
The utility model provides a kind of water swelling machine pipeline connecting device, it includes valve block, jointing；The valve block
It is equipped with connecting interface；The jointing is mounted in connecting interface；The jointing includes：Shell, clamp ring,
Keep circle, O-ring；The enclosure interior is equipped with stepped hole；The side of the stepped hole is sealing endoporus；The holding
Circle, O-ring are arranged in sealing endoporus；Locking groove is equipped on the outside of the other end of the shell；The clamp ring pass through with
Lock groove match.The utility model is simple in structure, easy to use, and quick-replaceable may be implemented in O-ring, keeps circle that can protect
The distance between each O-ring is held, the end of circle is kept to be equipped with arc shaped groove；The structure of O-ring can be protected not to be inserted into pipe
When, deforms excessive, leads to O-ring broken invalid.
Description of the drawings
Fig. 1 is a kind of full sectional view of water swelling machine pipeline connecting device of the utility model；
Fig. 2 is a kind of holding circle sectional view of water swelling machine pipeline connecting device of the utility model；
Fig. 3 is a kind of clamp ring sectional view of water swelling machine pipeline connecting device of the utility model；
Fig. 4 is a kind of full sectional view of another embodiment of water swelling machine pipeline connecting device of the utility model；
Fig. 5 is a kind of holding circle sectional view of another embodiment of water swelling machine pipeline connecting device of the utility model.
Specific implementation mode
Embodiment 1：
Refer to attached drawing 1-3, a kind of water swelling machine pipeline connecting device it include valve block 1, jointing 2, pipe 3；
The valve block 1 is equipped with connecting interface 11；
The jointing 2 is mounted in connecting interface 11；
The jointing 2 includes：Shell 21, keeps circle 23, O-ring 24 at clamp ring 22；
The shell 21 is cylindrical, and one end is equipped with hickey 211；
The hickey 211 matches with connecting interface 11；
The shell 21 is internally provided with stepped hole 212；
The side of the stepped hole 212 is sealing endoporus 2121；
The sealing endoporus 2121 is relatively large in diameter；
Locking groove 213 is equipped on the outside of the other end of the shell 21；
The holding circle 23, O-ring 24 are arranged in sealing endoporus 2121；Keep circle 23, the setting of the interval of O-ring 24；
The quantity of the holding circle 23 is at least 2, and O-ring 24 is at least 1；
The holding circle 23 keeps the outer hole wall and sealing 2121 clearance fit of endoporus of circle 23 in annular shape；
The outer wall clearance fit of the inner hole wall and pipe 3 of the holding circle 23；
The end of the holding circle 23 is equipped with arc shaped groove 231；
The O-ring 24 is arranged in two adjacent arc shaped grooves 231；
The maximum outside diameter of the O-ring 24 is more than the diameter of sealing endoporus 2121, and minimum diameter is less than the outer diameter of pipe 3；
The clamp ring 22 is disc-shaped, and middle part is equipped with the first stepped hole 221, the second stepped hole 222；
The diameter of first stepped hole 221 is more than the side diameter of the locking groove 213 of shell 21；
The diameter of second stepped hole 222 is less than the outer diameter for keeping circle 23；
The side of the locking groove 213 of first stepped hole 221 with the shell 21 matches；
The hole wall of first stepped hole 221 is equipped with clamping screw 223；
The clamping screw 223 matches with locking groove 213；
Second stepped hole, 222 end is additionally provided with chamfering；
The end of the pipe 3 is equipped with chamfering.
In use, chamfering one end of pipe 3 is inserted by 222 end of the second stepped hole of clamp ring 22, it is inserted into sealing endoporus
The O-ring 24 of 2121 bottom, sealing endoporus 2121 is sheathed on the outer wall of pipe 3, under the action of keeping circle 23, O-ring 24 with
Constant spacing is sheathed on the outer wall of pipe 3, then from injecting high pressure water to jointing 2 in valve block 1, after high pressure water enters pipe 3, and pipe
3 end moment is swollen, when swelling to pipe 3 with keeping the circle 23 to be in contact, outer wall, the sealing endoporus 2121 of O-ring 24 and pipe 3
Inner wall between form sealing structure, then high pressure water further swells at other positions of pipe 3 to specified size.
Embodiment 2：
Refer to attached drawing 4-5, a kind of water swelling machine pipeline connecting device it include valve block 1, jointing 2, pipe 3；
The valve block 1 is equipped with connecting interface 11；
The jointing 2 is mounted in connecting interface 11；
The jointing 2 includes：Shell 21, keeps circle 23, O-ring 24 at clamp ring 22；
The shell 21 is cylindrical, and one end is equipped with hickey 211；
The hickey 211 matches with connecting interface 11；
The shell 21 is internally provided with stepped hole 212；
The side of the stepped hole 212 is sealing endoporus 2121；
The sealing endoporus 2121 is relatively large in diameter；
Locking groove 213 is equipped on the outside of the other end of the shell 21；
The holding circle 23, O-ring 24 are arranged in sealing endoporus 2121；Keep circle 23, the setting of the interval of O-ring 24；
The quantity of the holding circle 23 is at least 2, and O-ring 24 is at least 1；
The holding circle 23 keeps the outer hole wall and sealing 2121 clearance fit of endoporus of circle 23 in annular shape；
The holding circle 23 further includes the first holding circle 232；
Described first keeps one end of circle 232 to be equipped with bayonet 2321；
The bayonet 2321 is in annular groove shape；
Described first keeps another-end of circle 232 to be equipped with arc shaped groove 231；
Described first keeps circle 232 to be equipped with the bottom that 2321 one end of bayonet is mounted on sealing endoporus 2121；
The outer wall clearance fit of the inner hole wall and pipe 3 of the holding circle 23；
The end of the holding circle 23 is equipped with arc shaped groove 231；
The O-ring 24 is arranged in two adjacent arc shaped grooves 231；
The maximum outside diameter of the O-ring 24 is more than the diameter of sealing endoporus 2121, and minimum diameter is less than the outer diameter of pipe 3；
The clamp ring 22 is disc-shaped, and middle part is equipped with the first stepped hole 221, the second stepped hole 222；
The diameter of first stepped hole 221 is more than the side diameter of the locking groove 213 of shell 21；
The diameter of second stepped hole 222 is less than the outer diameter for keeping circle 23；
The side of the locking groove 213 of first stepped hole 221 with the shell 21 matches；
The hole wall of first stepped hole 221 is equipped with clamping screw 223；
The clamping screw 223 matches with locking groove 213；
Second stepped hole, 222 end is additionally provided with chamfering；
The end of the pipe 3 is equipped with chamfering.
In use, chamfering one end of pipe 3 is inserted by 222 end of the second stepped hole of clamp ring 22, it is inserted into sealing endoporus
The O-ring 24 of 2121 bottom, sealing endoporus 2121 is sheathed on the outer wall of pipe 3, under the action of keeping circle 23, O-ring 24 with
Constant spacing is sheathed on the outer wall of pipe 3, then from injecting high pressure water to jointing 2 in valve block 1, after high pressure water enters pipe 3, and pipe
3 end moment is swollen, when swelling to pipe 3 with keeping the circle 23 to be in contact, outer wall, the sealing endoporus 2121 of O-ring 24 and pipe 3
Inner wall between form sealing structure, then high pressure water further swells at other positions of pipe 3 to specified size.In O-ring
When 24 abrasions are more serious, clamp ring 22 is removed, circle 23, O-ring 24 will be kept to take out with hook, replacement o circle 24 can weigh
It is new to use.
Above-described specific implementation mode, to the purpose of this utility model, technical solution and advantageous effect carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
The utility model processed, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of water swelling machine pipeline connecting device, it is characterised in that：It includes valve block (1), jointing (2)；The valve block
(1) it is equipped with connecting interface (11)；The jointing (2) is mounted in connecting interface (11)；The jointing (2)
Including：Shell (21), keeps circle (23), O-ring (24) at clamp ring (22)；The shell (21) is internally provided with stepped hole
(212)；The side of the stepped hole (212) is sealing endoporus (2121)；The holding circle (23), O-ring (24) setting
In sealing endoporus (2121)；Locking groove (213) is equipped on the outside of the other end of the shell (21)；The clamp ring
(22) through matching with locking groove (213).
2. a kind of water swelling machine pipeline connecting device according to claim 1, it is characterised in that：Keep circle (23), O-ring
(24) interval setting；The quantity of the holding circle (23) is at least 2, and O-ring (24) is at least 1.
3. a kind of water swelling machine pipeline connecting device according to claim 2, it is characterised in that：The holding circle (23)
End is equipped with arc shaped groove (231)；The O-ring (24) is arranged in two adjacent arc shaped grooves (231).
4. a kind of water swelling machine pipeline connecting device according to claim 3, it is characterised in that：The holding circle (23) is in
Annular shape keeps the outer hole wall and sealing endoporus (2121) clearance fit of circle (23)；The inner hole wall of the holding circle (23) with
Manage the outer wall clearance fit of (3).
5. a kind of water swelling machine pipeline connecting device according to claim 4, it is characterised in that：The O-ring (24)
Maximum outside diameter is more than the diameter of sealing endoporus (2121), and minimum diameter is less than the outer diameter of pipe (3).
6. a kind of water swelling machine pipeline connecting device according to claim 5, it is characterised in that：Clamp ring (22) end
Portion is additionally provided with chamfering；The end of the pipe (3) is equipped with chamfering.
7. a kind of water swelling machine pipeline connecting device according to claim 1-6 any one, it is characterised in that：The guarantor
It further includes the first holding circle (232) to hold circle (23)；Described first keeps one end of circle (232) to be equipped with bayonet (2321)；It is described
Bayonet (2321) be in annular groove shape；Described first keeps another-end of circle (232) to be equipped with arc shaped groove (231)；Described first
Circle (232) is kept to be equipped with the bottom that bayonet (2321) one end is mounted on sealing endoporus (2121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721881011.0U CN207715942U (en) | 2017-12-28 | 2017-12-28 | A kind of water swelling machine pipeline connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721881011.0U CN207715942U (en) | 2017-12-28 | 2017-12-28 | A kind of water swelling machine pipeline connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715942U true CN207715942U (en) | 2018-08-10 |
Family
ID=63050825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721881011.0U Active CN207715942U (en) | 2017-12-28 | 2017-12-28 | A kind of water swelling machine pipeline connecting device |
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| Country | Link |
|---|---|
| CN (1) | CN207715942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194728A (en) * | 2017-12-28 | 2018-06-22 | 苏州新元电器有限公司 | A kind of water swelling machine pipeline connecting device |
-
2017
- 2017-12-28 CN CN201721881011.0U patent/CN207715942U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194728A (en) * | 2017-12-28 | 2018-06-22 | 苏州新元电器有限公司 | A kind of water swelling machine pipeline connecting device |
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