CN208442419U - A kind of ferrule-type compression joint - Google Patents
A kind of ferrule-type compression joint Download PDFInfo
- Publication number
- CN208442419U CN208442419U CN201820905773.8U CN201820905773U CN208442419U CN 208442419 U CN208442419 U CN 208442419U CN 201820905773 U CN201820905773 U CN 201820905773U CN 208442419 U CN208442419 U CN 208442419U
- Authority
- CN
- China
- Prior art keywords
- ferrule
- hole
- nut
- hairclipper
- connected tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Joints With Pressure Members (AREA)
Abstract
The utility model discloses a kind of ferrule-type compression joints, including fitting body, nut, fixing bolt, pressure head, cutting ferrule, control bolt, hairclipper and connected tube, the upper and lower ends of the nut are respectively provided with first through hole, nut inclined plane part is equipped on the inside of the left end of nut, the inside of the connector is equipped with the step to offset with the right end of connected tube, the left end of the step is connected with step inclined plane part, the cutting ferrule includes pointed nose, introduction part and control unit, the upper end of the control unit is equipped with the second through-hole, the middle part of the hairclipper is equipped with long through-hole, pass through the tentatively fixed connected tube of flexible rubber ring, push hairclipper to push cutting ferrule by screwing in nut in fitting body, so that the pointed nose of cutting ferrule gradually injects the surface of connected tube until control bolt resists the secondary fixed connected tube of fitting body, by adjusting the back-out of control bolt Length adjustment tightens the end, and the surface for pushing pressure head to be inserted into connected tube is screwed down by fixing bolt and fixes connected tube three times.
Description
[technical field]
The utility model relates to the technical field of pipe fitting, especially a kind of technical field of ferrule-type compression joint.
[background technique]
Operation is very easy to the installation that pipeline is attached for ferrule-type compression joint, currently, supplying system in natural gas used for automobile
In system, the connection type of fuel conduit is usually attached with bite type connection type, but generated at runtime due to vehicle
It vibrates, very big etc. the reasons of temperature change of pipeline surface quality and liquefied natural gas line, easily causes the close of pipeline
The leakproofness that envelope property declines and causes fuel to leak, therefore pipe joint is effectively ensured is that natural gas vehicle feed system safely may be used
By the key of operation.
Ferrule-type compression joint, which usually requires that, uses the accurate seamless pipe of regulation hardness as by connecting leg, connection feature be according to
Tightly biting pipeline tube wall by the cutting edge port of cutting ferrule seals high-pressure fluid in pipe；In addition, relative to welding type pipe
For connector, ferrule-type compression joint, which will not generate during the installation process oxide skin, causes pipeline to pollute, therefore ferrule-type compression joint is wide
It is general suitable for the common pipe-line system of small diameter tube high-low pressure.
Common single hoop bite type structure in connecting leg fastener cycle, is not had the unexpected change of power in connection for operator
Change, operator is imperceptible to tighten operation " end ", therefore operator will not perceive and complete to be fastenedly connected, and be frequently not
" excessively stubborn " is exactly " owing to twist ", and for cutting ferrule cutting more more recessed deeper by connecting leg faying face, the tightness of connection is better, but cuts too deep
It easily causes to be declined by connecting leg bearing capacity；In addition, the power acted on nut is all transmitted during cutting ferrule tensioning is pushed forward
To cutting ferrule, when nut is greater than fitting body and the resistance rotated by connecting leg to cutting ferrule to the driving force that cutting ferrule rotates, cutting ferrule meeting
Cause to scratch or destroy sealed faying face with nut rotation, causes fuel leakage accident.
[utility model content]
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of ferrule-type compression joint, Neng Goutong
The tentatively fixed connected tube of flexible rubber ring is crossed, pushes hairclipper to push cutting ferrule by screwing in nut in fitting body, so that card
The surface that the pointed nose of set gradually injects connected tube resists the secondary fixed connected tube of fitting body up to controlling bolt, passes through tune
The back-out length adjustment of whole control bolt tightens the end, is screwed down the table for pushing pressure head to be inserted into connected tube by fixing bolt
Connected tube is fixed in face three times.
To achieve the above object, the utility model proposes a kind of ferrule-type compression joints, including fitting body, nut, fixation
Bolt, pressure head, cutting ferrule, control bolt, hairclipper and connected tube, the left end surface of the fitting body are equipped with external thread part, institute
The inside for stating nut is equipped with internal screw thread, and the upper and lower ends of nut are respectively provided with first through hole, and it is oblique to be equipped with nut on the inside of the left end of nut
Face, the inside of the connector are equipped with the step to offset with the right end of connected tube, and the left end of the step is connected with platform
Rank inclined plane part, the cutting ferrule include pointed nose, introduction part and control unit, and the upper end of the control unit is equipped with the second through-hole, described
The right end of hairclipper is equipped with push top, and the push top is in " L " font, and the middle part of the hairclipper is equipped with long through-hole, and the left end of hairclipper is to push away
Sub- inclined plane part.
Preferably, the inside of the step is equipped with flexible rubber ring, the quantity of the flexible rubber ring is 3 to 6.
Preferably, the right end of the pointed nose is equipped with retaining ring.
Preferably, the right end of the retaining ring is equipped with sealing rubber ring.
Preferably, the junction bottom end of the pointed nose and introduction part is equipped with grooving.
Preferably, the pressure head is inserted into among long through-hole, the diameter on the pressure head top is less than the spiral shell of fixing bolt
The diameter of bar.
Preferably, being designed with internal screw thread in the first through hole and the second through-hole, the fixing bolt is screwed in first
Among through-hole, the control bolt is screwed among the second through-hole.
The utility model has the beneficial effects that the utility model tentatively fixes connected tube by flexible rubber ring, by connecing
Screwing in nut on head body pushes hairclipper to pushing cutting ferrule so that the pointed nose of cutting ferrule gradually inject the surface of connected tube until
Control bolt resists the secondary fixed connected tube of fitting body, and the back-out length adjustment by adjusting control bolt tightens the end, leads to
It crosses fixing bolt and is screwed down the surface for pushing pressure head to be inserted into connected tube fixed connected tube three times.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of front sectional view of ferrule-type compression joint of the utility model.
In figure: 1- fitting body, 11- flexible rubber ring, 12- external thread part, 13- step inclined plane part, 14- step, 2- nut,
21- first through hole, 22- nut inclined plane part, 31- fixing bolt, 32- pressure head, 4- cutting ferrule, 41- pointed nose, 42- introduction part, 43-
Control unit, the second through-hole of 44-, 5- control bolt, 6- hairclipper, 61- push top, 62- long through-hole, 63- hairclipper inclined plane part, 7- are connected
Pipe, 8- retaining ring and 9- sealing rubber ring.
[specific embodiment]
Refering to fig. 1, a kind of ferrule-type compression joint of the utility model, including fitting body 1, nut 2, fixing bolt 31, pressure head
32, cutting ferrule 4, control bolt 5, hairclipper 6 and connected tube 7, the left end surface of the fitting body 1 are equipped with external thread part 12, institute
The inside for stating nut 2 is equipped with internal screw thread, and the upper and lower ends of nut 2 are respectively provided with first through hole 21, are equipped with spiral shell on the inside of the left end of nut 2
Female inclined plane part 22, the inside of the connector 1 are equipped with the step 14 to offset with the right end of connected tube 7, the step 14
Left end is connected with step inclined plane part 13, and the cutting ferrule 4 includes pointed nose 41, introduction part 42 and control unit 43, the control unit 43
Upper end be equipped with the second through-hole 44, the right end of the hairclipper 6 is equipped with push top 61, and the push top 61 is in " L " font, the hairclipper 6
Middle part be equipped with long through-hole 62, the left end of hairclipper 6 is hairclipper inclined plane part 63, and the inside of the step 14 is equipped with flexible rubber ring 11,
The quantity of the flexible rubber ring 11 is 3 to 6, and the right end of the pointed nose 41 is equipped with retaining ring 8, and the right end of the retaining ring 8 is equipped with
Sealing rubber ring 9, the pointed nose 41 and the junction bottom end of introduction part 42 are equipped with grooving, and the pressure head 32 is inserted into long through-hole 62
Among, the diameter on 32 top of pressure head is less than the diameter of the screw rod of fixing bolt 31, the first through hole 21 and the second through-hole
Internal screw thread is designed in 44, the fixing bolt 31 screws among first through hole 21, and the control bolt 5 is screwed in second
Among through-hole 44.
Utility model works process:
Connected tube 7 during the work time, is inserted into fitting body 1 by a kind of ferrule-type compression joint of the utility model first,
The right end of connected tube 7 resists the step 14 of fitting body 1, and the rebound that flexible rubber ring 11 is generated direction axle center by compression forces
Tight connected tube 7 screws in control bolt 5 in second through-hole 44, and determines control spiral shell according to the thickness of connected tube 7 and diameter
The screw rod of bolt 5 stretches out the length of control unit 43, cutting ferrule 4, hairclipper 6 and nut 3 is sequentially sleeved on connected tube 7, gradually to the right
Tightening nut 2, the nut inclined plane part 22 of nut 2 resist the hairclipper inclined plane part 63 of hairclipper 6 and hairclipper 6 are driven to move right, push top
The right sides of 61 upper ends pushes against the left side of control unit 43, and the 61 right end protruding portion of having a haircut resists below introduction part 42, and hairclipper 6 pushes
Cutting ferrule 4 moves right, and inclined top face and the step inclined plane part 13 of the introduction part 42 of cutting ferrule 4 offset, and due to pointed nose 41 and imports
The bottom end of 42 junction of portion is equipped with groove, moves right as cutting ferrule 4 is pushed, pointed nose 41, which is bent downwardly gradually to inject, to be connected
Until the right end of control bolt 5 resists fitting body 1, sealing rubber ring 9 provides pointed nose 41, connected tube 7 and connects on the surface of adapter tube 7
Sealing between head body 1, retaining ring 8, which is against between sealing rubber ring 9 and pointed nose 41, provides support and auxiliary seal, by pressure head 32
It is inserted into long through-hole 62, fixing bolt 31 is screwed in first through hole 21, it is fixed as fixing bolt 31 is gradually screwed in axle center
The promotion pressure head 32 of bolt 31 is gradually pressed into the surface of connected tube 7.
The utility model pushes hairclipper by screwing in nut in fitting body by the tentatively fixed connected tube of flexible rubber ring
To pushing cutting ferrule so that the pointed nose of cutting ferrule gradually inject the surface of connected tube until control bolt to resist fitting body secondary
Fixed connected tube, the back-out length adjustment by adjusting control bolt tighten the end, are screwed down promotion by fixing bolt
Connected tube is fixed on the surface that pressure head is inserted into connected tube three times.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, and any pair of sheet is practical new
Scheme after type simple transformation belongs to the protection scope of the utility model.
Claims (7)
1. a kind of ferrule-type compression joint, it is characterised in that: including fitting body (1), nut (2), fixing bolt (31), pressure head
(32), cutting ferrule (4), control bolt (5), hairclipper (6) and connected tube (7), the left end surface of the fitting body (1) are equipped with outer
The inside of threaded portion (12), the nut (2) is equipped with internal screw thread, and the upper and lower ends of nut (2) are respectively provided with first through hole (21), spiral shell
Nut inclined plane part (22) are equipped on the inside of the left end of female (2), the inside of the fitting body (1) is equipped with the right end with connected tube (7)
The left end of the step (14) to offset, the step (14) is connected with step inclined plane part (13), and the cutting ferrule (4) includes pointed nose
(41), the upper end of introduction part (42) and control unit (43), the control unit (43) is equipped with the second through-hole (44), the hairclipper (6)
Right end be equipped with push top (61), the push top (61) is in " L " font, and the middle part of the hairclipper (6) is equipped with long through-hole (62), hairclipper
(6) left end is hairclipper inclined plane part (63).
2. a kind of ferrule-type compression joint as described in claim 1, it is characterised in that: the inside of the step (14) is equipped with elasticity
Cushion rubber (11), the quantity of the flexible rubber ring (11) are 3 to 6.
3. a kind of ferrule-type compression joint as described in claim 1, it is characterised in that: the right end of the pointed nose (41) is equipped with gear
It encloses (8).
4. a kind of ferrule-type compression joint as claimed in claim 3, it is characterised in that: the right end of the retaining ring (8) is equipped with sealing
Cushion rubber (9).
5. a kind of ferrule-type compression joint as described in claim 1, it is characterised in that: the pointed nose (41) and introduction part (42)
Junction bottom end be equipped with grooving.
6. a kind of ferrule-type compression joint as described in claim 1, it is characterised in that: the pressure head (32) is inserted into long through-hole
(62) among, the diameter on pressure head (32) top is less than the diameter of the screw rod of fixing bolt (31).
7. a kind of ferrule-type compression joint as described in claim 1, it is characterised in that: the first through hole (21) and the second through-hole
(44) internal screw thread is designed in, the fixing bolt (31) screws among first through hole (21), and the control bolt (5) screws in
Among the second through-hole (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820905773.8U CN208442419U (en) | 2018-06-12 | 2018-06-12 | A kind of ferrule-type compression joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820905773.8U CN208442419U (en) | 2018-06-12 | 2018-06-12 | A kind of ferrule-type compression joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208442419U true CN208442419U (en) | 2019-01-29 |
Family
ID=65089446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820905773.8U Expired - Fee Related CN208442419U (en) | 2018-06-12 | 2018-06-12 | A kind of ferrule-type compression joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208442419U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506607A (en) * | 2018-06-12 | 2018-09-07 | 海盐六里液压管件有限公司 | A kind of ferrule-type compression joint |
| CN110552661A (en) * | 2019-09-24 | 2019-12-10 | 中国石油集团渤海钻探工程有限公司 | Oil pipe external sealing plug valve connector |
| CN112145828A (en) * | 2020-09-09 | 2020-12-29 | 席赫 | Oil pipe joint for oil field |
| CN114731929A (en) * | 2022-04-12 | 2022-07-12 | 银川润泽源节水科技有限公司 | Drip irrigation pipe convenient to connect |
| CN114871961A (en) * | 2022-04-25 | 2022-08-09 | 北京凝华科技有限公司 | Practice thrift clamping device of consumptive material |
-
2018
- 2018-06-12 CN CN201820905773.8U patent/CN208442419U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506607A (en) * | 2018-06-12 | 2018-09-07 | 海盐六里液压管件有限公司 | A kind of ferrule-type compression joint |
| CN108506607B (en) * | 2018-06-12 | 2023-09-26 | 海盐六里液压管件有限公司 | Cutting sleeve type pipe joint |
| CN110552661A (en) * | 2019-09-24 | 2019-12-10 | 中国石油集团渤海钻探工程有限公司 | Oil pipe external sealing plug valve connector |
| CN112145828A (en) * | 2020-09-09 | 2020-12-29 | 席赫 | Oil pipe joint for oil field |
| CN114731929A (en) * | 2022-04-12 | 2022-07-12 | 银川润泽源节水科技有限公司 | Drip irrigation pipe convenient to connect |
| CN114731929B (en) * | 2022-04-12 | 2023-11-24 | 银川润泽源节水科技有限公司 | Drip irrigation pipe convenient to connect |
| CN114871961A (en) * | 2022-04-25 | 2022-08-09 | 北京凝华科技有限公司 | Practice thrift clamping device of consumptive material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |