CN107008796B - A kind of surface cooler hydraulic pressure expanded tube joint and device - Google Patents
A kind of surface cooler hydraulic pressure expanded tube joint and device Download PDFInfo
- Publication number
- CN107008796B CN107008796B CN201710258238.8A CN201710258238A CN107008796B CN 107008796 B CN107008796 B CN 107008796B CN 201710258238 A CN201710258238 A CN 201710258238A CN 107008796 B CN107008796 B CN 107008796B
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- China
- Prior art keywords
- bolt
- screw thread
- socket screw
- sealing
- end socket
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/045—Closing or sealing means
Abstract
The invention discloses a kind of surface cooler hydraulic pressure expanded tube joint and device, which includes：Adjustment seat, adjusting bolt, fixing bolt, sealing plug and end socket screw thread pedestal.The adjustment seat is set in the adjusting bolt, and the adjustment seat is connect with first threaded portion of the adjusting bolt, the adjustment seat can in the adjusting bolt adjusting position.The first end of the sealing plug is set on the interconnecting piece of the adjusting bolt, ensure that the seal between sealing plug and the adjusting bolt.The first end connection that the second end of the sealing plug is connect with the end socket screw thread pedestal, ensure that closed between sealing plug and the end socket screw thread pedestal.The present invention just can reach, and while ensureing high leakproofness, it is firm fixed to increase, the phenomenon that preventing from falling off.
Description
Technical field
The present invention relates to tube expansion techniques and connector technical field, are connect in particular to a kind of surface cooler hydraulic pressure tube expansion
Head and device.
Background technology
In refrigeration industry at this stage, the end-sealing device of surface cooler tube expansion water inlet is substantially using traditional raw material
Band is connected and sealed.Specifically, after winding upper 20 circle raw material band on the threaded portion of intake-outlet pipeline, water seal will passed in and out
Head is tightened with pipe vice.It is low using the swollen water swivel leakproofness of this connection and sealing method, higher hydraulic pressure can not be born, when
Be susceptible to leak or gas leakage when hydraulic pressure is higher, two and cause process to fail.Simultaneously because artificial winding raw material band, nothing
Method ensures winding mass, when using more raw material band, can reduce the contact surface of joint, be easy to happen and fall off, this is not
Only waste raw material band increases the production cost of enterprise, but also there are the security risk of Joint's falling off, improves safety accident
Probability.
Invention content
The purpose of the present invention is to provide a kind of surface cooler hydraulic pressure expanded tube joint and devices, to solve in above-mentioned background technology
The leakproofness of the expanded tube joint of proposition is low, connector is easy to happen and falls off and problem of high cost.
To achieve the above object, the present invention provides the following technical solutions：A kind of expanded tube joint, including：Adjustment seat adjusts spiral shell
Bolt, fixing bolt, sealing plug and end socket screw thread pedestal, the adjustment seat are set in the adjusting bolt, the adjusting spiral shell
Bolt includes the first threaded portion and interconnecting piece, and the adjustment seat is connect with first threaded portion of the adjusting bolt；Institute
The first end for stating sealing plug is set on the interconnecting piece of the adjusting bolt, the second end of the sealing plug and the end socket
The first end connection of screw thread pedestal connection, the second end of the end socket screw thread pedestal are provided with the second threaded portion, second spiral shell
Line portion is located at the interior survey face of the end socket screw thread pedestal, and the radius of the second threaded portion of the end socket screw thread pedestal is less than described close
The radius of the first end of blocking head and more than the sealing plug second end radius；The adjustment seat and the end socket screw thread
Pedestal is fixedly connected by the fixing bolt.
Preferably, the fixing bolt includes the first bolt and the second bolt, and the first fixation is provided in the adjustment seat
Through-hole and the second fixed hole, first fixed hole are located at the phase of the adjustment seat with the position of second fixed hole
To both sides；The size of first fixed hole and the size of first bolt match, second fixed hole
Size and the size of second bolt match；It is provided in the end socket screw thread pedestal and matches with first bolt
First threaded hole and the second threaded hole to match with second bolt.
Preferably, the sealing plug includes the first sealing and the second sealing, and the radius of first sealing is big
In second sealing, first sealing is set on the interconnecting piece of the adjusting bolt, the end socket screw thread pedestal
First end be set on second sealing.
Preferably, it is provided with handle on the lateral surface of the end socket screw thread pedestal.
Preferably, further include connection bell and spigot joint, the first end of the connection bell and spigot joint is set as external thread structure, the company
The second end of female connector connector is set as internal thread structure, the first spiral shell of the second end and the adjusting bolt of the connection bell and spigot joint
Line portion is threadedly coupled.
Preferably, further include quick coupling, one end of the quick coupling is provided with internal thread structure, the quick coupling
The first end of one end and the connection bell and spigot joint for being provided with internal thread structure is threadedly coupled.
Preferably, the fixing bolt is interior hexagonal fixing bolt.
A kind of pipe-expanding device, including：Pipe section and above-mentioned any one expanded tube joint, the one of the water inlet of the pipe section
End end set has external thread structure, the end of the pipe section and the second threaded portion of the end socket screw thread pedestal to connect
It connects, and the end of the water inlet of the pipe section and the second end of the sealing plug compress.Pipe section may be coupled to disk
Pipe.
Compared with prior art, the present invention having the advantages that：
(1) heretofore described adjustment seat is set in the adjusting bolt, and the adjusting bolt includes the first threaded portion
And interconnecting piece, the adjustment seat are connect with first threaded portion of the adjusting bolt, the adjustment seat can be described
Adjusting position in adjusting bolt.The first end of the sealing plug is set on the interconnecting piece of the adjusting bolt, ensure that close
Seal between blocking head and the adjusting bolt；The second end of the sealing plug is connect with the end socket screw thread pedestal
First end connects, and ensure that closed between sealing plug and the end socket screw thread pedestal.Due to the end socket screw thread pedestal
The radius of second threaded portion is less than the radius of the first end of the sealing plug and more than the half of the second end of the sealing plug
The adjustment seat is finally fixedly connected with the end socket screw thread pedestal by fixing bolt, the sealing plug quilt by diameter
It compresses.The present invention just can reach, and while ensureing high leakproofness, it is firm fixed to increase, the phenomenon that preventing from falling off.
(2) second end of heretofore described end socket screw thread pedestal is provided with the second threaded portion, second screw thread position
In the interior survey face of the end socket screw thread pedestal, the external screw thread on pipeline can be coordinated to screw by second threaded portion, pipeline
End, which is tightened onto inside end socket screw thread pedestal, to be compressed with sealing plug, and whole process can connect repeatedly without raw material band
Dismounting, one can be completed operation, production cost greatly reduce, and improve the efficiency of tube expansion.
Description of the drawings
It, below will be to needed in the embodiment in order to more clearly illustrate the technical solution in the embodiment of the present invention
Attached drawing is simply introduced, it should be apparent that, the accompanying drawings in the following description is only some embodiments described in the present invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the exploded view of a kind of expanded tube joint that present pre-ferred embodiments provide and device.
Fig. 2 is the attachment structure schematic diagram of a kind of expanded tube joint that present pre-ferred embodiments provide and device.
Fig. 3 is the structural representation of the adjustment seat and adjusting bolt for a kind of expanded tube joint that present pre-ferred embodiments provide
Figure.
Icon：10- expanded tube joints；101- adjustment seats；102- adjusting bolts；The first threaded portions 102a-；103- fixes spiral shell
Bolt；The first bolts of 103a-；The second bolts of 103b-；104- sealing plugs；105- end socket screw thread pedestals；The second threaded portions 105a-；
106- handles；107- quick couplings；108- connection bell and spigot joints；109- hydraulic pressure electric tube expander connectors；200- hydraulic pressure electric tube expanders.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1 and Fig. 2, a kind of expanded tube joint 10 is provided in the present embodiment, including：Adjustment seat 101, adjusting bolt
102, fixing bolt 103, sealing plug 104 and end socket screw thread pedestal 105.
Wherein, the adjustment seat 101 is set in the adjusting bolt 102, and the adjusting bolt 102 includes the first screw thread
Portion 102a and interconnecting piece, the adjustment seat 101 are threadedly coupled with the first threaded portion 102a of the adjusting bolt 102.Institute
The first end for stating sealing plug 104 is set on the interconnecting piece of the adjusting bolt 102, the second end of the sealing plug 104
The first end connection being connect with the end socket screw thread pedestal 105.The second end of the end socket screw thread pedestal 105 is provided with the second spiral shell
Line portion 105a, the second threaded portion 105a are located at the interior survey face of the end socket screw thread pedestal, the end socket screw thread pedestal 105
The radius of second threaded portion 105a is less than the radius of the first end of the sealing plug 104 and more than the sealing plug 104
The radius of second end；Specifically, the sealing plug 104 includes the first sealing and the second sealing, first sealing
Radius be more than second sealing, first sealing is set on the interconnecting piece of the adjusting bolt 102, the envelope
The first end of head thread pedestal 105 is set on second sealing.The adjustment seat 101 and the end socket screw thread pedestal
105 are fixedly connected by the fixing bolt 103, convenient disassembly and installation repeatedly, and adjustment bonding strength.
Preferably, sealing plug 104 can select polyurethane seal chock plug 104.
As shown in Figure 3, it is preferable that the fixing bolt 103 includes the first bolt 103a and the second bolt 103b, the tune
It is provided with the first fixed hole and the second fixed hole on section seat 101, which can be non-threaded configurations.First fixation is logical
Hole and the position of second fixed hole are located at the opposite both sides of the adjustment seat 101, can ensure connecting with this
Afterwards, uniform force between firm banking and sealing plug 104, keeps good sealing effectiveness.First fixed hole it is big
The small size with the first bolt 103a matches, and the size of second fixed hole is big with the second bolt 103b's
It is small to match；It is provided with the first threaded hole to match with the first bolt 103a in the end socket screw thread pedestal 105, and with
The second threaded hole that the second bolt 103b matches.The bolt head of the first bolt 103a and the second bolt 103b are answered
When to should be greater than first fixed hole and the second fixed hole.The first bolt 103a and the second bolt 103b can
Using the bolt (such as M8x60 hexagon socket head cap screws) of internal thread, rotation that can be more convenient operates.
Preferably, it is provided with handle 106 on the lateral surface of the end socket screw thread pedestal 105, which seals for rotating
End socket screw thread pedestal 105 is imported and exported with pipeline or pipe water outlet connects by head thread pedestal 105.
Preferably, further include connection bell and spigot joint 108, the first end of the connection bell and spigot joint 108 is set as external thread structure,
The second end of the connection bell and spigot joint 108 is set as internal thread structure, the second end of the connection bell and spigot joint 108 and the adjusting
First threaded portion 102a of bolt 102 is threadedly coupled, and ensures to connect the stable connection between pullover and adjusting bolt 102 with this
Property.
Preferably, further include quick coupling 107, it can be more convenient by the expanded tube joint 10 using the quick coupling 107
It is connected with the hydraulic pressure electric tube expander connector 109 on the outlet conduit on hydraulic pressure electric tube expander 200.One end of the quick coupling 107
Be provided with internal thread structure, the quick coupling 107 be provided with internal thread structure one end and the connection bell and spigot joint 108 the
Threaded one end connects.
As shown in Fig. 2, a kind of pipe-expanding device is also provided in the present embodiment, including：Pipe section and above-mentioned expanded tube joint 10, institute
One end end set for stating the water inlet of pipe section has external thread structure, the end of the pipe section and the end socket screw thread pedestal
105 the second threaded portion 105a is threadedly coupled, and the of the end of the water inlet of the pipe section and the sealing plug 104
Two side pressures are tight.
The operation principle and process for using of the present invention：First sealing plug 104 is sleeved in adjusting bolt 102, then adjusting
Seat 101 is screwed into adjusting bolt 102, and adjustment seat 101 is fixed with end socket screw thread pedestal 105 with fixing bolt 103 afterwards on earth,
Water inlet the screw socket align with tube portion of the second threaded portion 105a of the end socket pedestal fixed or water outlet precession, on earth after
It is screwed with handle 106, adjusting bolt 102 is screwed with spanner, make the second threaded portion 105a's of sealing plug 104 and end socket pedestal
Screw socket is combined closely, and upper joint sleeve connector 108 and quick coupling 107 are refilled, and buckles quick coupling 107.Then start electronic examination
Press pump is suppressed, and air valve is closed after air valve continuous water spray, so that pressure is persistently increased to until machine is automatically stopped when setting pressure
Into pressurize degree.Pressurize expires pressure release, unloads the draining of quick coupling 107, unscrews adjusting bolt 102, unload low head pedestal i.e.
It can complete entire coil pipe tube expansion work flow.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the design of the present invention
It is defined with range, under the premise of not departing from design concept of the present invention, ordinary engineering and technical personnel is to this hair in this field
The all variations and modifications that bright technical solution is made should all fall into protection scope of the present invention, claimed skill of the invention
Art content is all documented in technology claim.
Claims (8)
1. a kind of surface cooler hydraulic pressure expanded tube joint, which is characterized in that including：Adjustment seat (101), adjusting bolt (102), fixed spiral shell
Bolt (103), sealing plug (104) and end socket screw thread pedestal (105), the adjustment seat (101) are set in the adjusting bolt
(102) on, the adjusting bolt (102) includes the first threaded portion (102a) and interconnecting piece, the adjustment seat (101) and the tune
First threaded portion (102a) for saving bolt (102) is threadedly coupled；The first end of the sealing plug (104) is set in described
On the interconnecting piece of adjusting bolt (102), the of the second end of the sealing plug (104) and the end socket screw thread pedestal (105)
One end connects, and the second end of the end socket screw thread pedestal (105) is provided with the second threaded portion (105a), second threaded portion
(105a) is located at the interior survey face of the end socket screw thread pedestal (105), the second threaded portion of the end socket screw thread pedestal (105)
The radius of (105a) is less than the radius of the first end of the sealing plug (104) and more than the second of the sealing plug (104)
The radius at end；The adjustment seat (101) is fixedly connected with the end socket screw thread pedestal (105) by the fixing bolt (103).
2. surface cooler hydraulic pressure expanded tube joint according to claim 1, which is characterized in that the fixing bolt (103) includes
First bolt (103a) and the second bolt (103b) are provided with the first fixed hole and second on the adjustment seat (101) and fix
The position of through-hole, first fixed hole and second fixed hole is located at the opposite both sides of the adjustment seat (101)；
The size of first fixed hole and the size of first bolt (103a) match, the size of second fixed hole
Match with the size of second bolt (103b)；It is provided on the end socket screw thread pedestal (105) and first bolt
The first threaded hole that (103a) matches and the second threaded hole to match with second bolt (103b).
3. surface cooler hydraulic pressure expanded tube joint according to claim 1, which is characterized in that the sealing plug (104) includes
The radius of first sealing and the second sealing, first sealing is more than second sealing, first sealing
It is set on the interconnecting piece of the adjusting bolt (102), the first end of the end socket screw thread pedestal (105) is set in described second
On sealing.
4. surface cooler hydraulic pressure expanded tube joint according to claim 1, which is characterized in that the end socket screw thread pedestal (105)
Lateral surface on be provided with handle (106).
5. surface cooler hydraulic pressure expanded tube joint according to claim 1, which is characterized in that further include connection bell and spigot joint (108),
The first end of the connection bell and spigot joint (108) is set as external thread structure, and the second end of the connection bell and spigot joint (108) is set as
Internal thread structure, the second end of the connection bell and spigot joint (108) connect with the first threaded portion of the adjusting bolt (102)
It connects.
6. surface cooler hydraulic pressure expanded tube joint according to claim 5, which is characterized in that further include quick coupling (107), institute
The one end for stating quick coupling (107) is provided with internal thread structure, and the quick coupling (107) is provided with one end of internal thread structure
It is threadedly coupled with the first end of the connection bell and spigot joint (108).
7. surface cooler hydraulic pressure expanded tube joint according to claim 1, which is characterized in that the fixing bolt (103) is interior
Hexagonal fixing bolt.
8. a kind of pipe-expanding device, which is characterized in that including：Pipe section and claim 1-7 any one of them expanded tube joints
(10), one end end set of the water inlet of the pipe section has external thread structure, the end of the pipe section and the end socket
The second threaded portion (105a) of screw thread pedestal (105) is threadedly coupled, and the end of the water inlet of the pipe section with it is described close
The second end of blocking head (104) compresses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710258238.8A CN107008796B (en) | 2017-04-19 | 2017-04-19 | A kind of surface cooler hydraulic pressure expanded tube joint and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710258238.8A CN107008796B (en) | 2017-04-19 | 2017-04-19 | A kind of surface cooler hydraulic pressure expanded tube joint and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107008796A CN107008796A (en) | 2017-08-04 |
| CN107008796B true CN107008796B (en) | 2018-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710258238.8A Active CN107008796B (en) | 2017-04-19 | 2017-04-19 | A kind of surface cooler hydraulic pressure expanded tube joint and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107008796B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO319635B1 (en) * | 2002-08-19 | 2005-09-05 | Marine Direct Consultants Ltd | Device for connecting rudder. |
| JP3947971B2 (en) * | 2002-11-25 | 2007-07-25 | Ｓｍｃ株式会社 | Pipe fitting |
| KR200397298Y1 (en) * | 2005-07-15 | 2005-09-29 | 주식회사 하이스텐 | Thread Structure having a Sealing Layer |
| CN2926730Y (en) * | 2006-05-10 | 2007-07-25 | 李明义 | High-pressure-resisting pipe-expanded joint |
| CN201071990Y (en) * | 2007-01-17 | 2008-06-11 | 岑焯波 | Pipe connector |
| CN201126072Y (en) * | 2007-12-13 | 2008-10-01 | 台州市正发通用元件有限公司 | Pipe connection adapter assembly for refrigeration and air conditioning equipment |
| DE112008003817T5 (en) * | 2008-04-30 | 2011-04-14 | Ooo "Tmk-Premium Servises" | Dense threaded connection for oilfield pipes |
| CN201672185U (en) * | 2010-08-20 | 2010-12-15 | 杨大红 | Fast multifunctional pipe joint |
| CN206882498U (en) * | 2017-04-19 | 2018-01-16 | 浙江思科制冷股份有限公司 | The expanded tube joint of surface cooler hydraulic pressure and device |
-
2017
- 2017-04-19 CN CN201710258238.8A patent/CN107008796B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107008796A (en) | 2017-08-04 |
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