CN106481905A - A kind of seal nipple - Google Patents
A kind of seal nipple Download PDFInfo
- Publication number
- CN106481905A CN106481905A CN201610957793.5A CN201610957793A CN106481905A CN 106481905 A CN106481905 A CN 106481905A CN 201610957793 A CN201610957793 A CN 201610957793A CN 106481905 A CN106481905 A CN 106481905A
- Authority
- CN
- China
- Prior art keywords
- joint
- sealing area
- nut
- groove
- taper
- 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.)
- Pending
Links
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
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
- F16L19/07—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends adapted for use in socket or sleeve connections
-
- 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
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/005—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts comprising locking means for the threaded member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a kind of seal nipple, including：First joint, the second joint and nut, one end of the first joint is provided with boss, and the outside of boss is provided with the primary sealing area of taper；One end of second joint is provided with the first groove matching with boss, and the inner side of the first groove is provided with the secondary sealing area of taper, and the outside of the first groove is provided with the locating surface of taper；Nut intracavity one end is provided with the second groove matching with locating surface, and the other end is fixedly connected with the first joint so that primary sealing area and secondary sealing area seal.The seal nipple that the present invention provides, the first joint and the second joint directly pass through the conical surface and groove fit, compared to prior art, expand contact area, improve sealing property.Further, since being engaged with locating surface by the second groove of taper between the second joint and nut, increased the cooperation area of nut and the second joint, the stress of nut is therefore more uniform, and positioning is also more stable.
Description
Technical field
The present invention relates to sealing means technical field, have and be related to a kind of seal nipple.
Background technology
Typically, heavy truck brakes adopts vapour-pressure type, and the gas of air compressor output is transported to gas receiver through pipeline
Interior, driving moment actuator during vehicle braking, so that the brake being arranged at wheel is played a role, reach the mesh of car load deceleration
's.
Exsiccator on the air compressor electromotor to vehicle frame for the gas, needs longer one section of transport pipeline, typically
Can be transported using steel pipe, the effect of cooling can be played, the pipeline on electromotor to vehicle frame needs one section of air-brake coupling hose transition, with
Reach the purpose of vibration damping, the connection between steel pipe and steel pipe, steel pipe and air-brake coupling hose needs preferable sealing and reliability,
Ask and can either ensure that compressed gas are sufficiently transported in gas receiver, ensure that enough air pressure is braked for car load.
Existing conventional sealing means are the bite type jointing of standard, and as depicted in figs. 1 and 2, cutting ferrule 1 riveting is on the right side
On joint 2, clamp nut 3 is enclosed within the contact of incline plane on right connector 2 with cutting ferrule 1, and left joint 4 tightens generation water with clamp nut 3
Square to power, form sealing surface by compressing cutting ferrule 1 and right connector 2.
Existing seal form mainly has the disadvantages that：First, cutting ferrule 1 riveting, on right connector 2, easily loosens, impact
Airtight quality.2nd, cutting ferrule 1 is less with left joint 4 contact surface, if sealing surface machining accuracy is not high, contact surface may be led to contact
Uneven, thus leading to gas leakage.
Content of the invention
It is an object of the invention to provide a kind of seal nipple, with solve the cutting ferrule on prior art center tap easily loosen and
Between cutting ferrule and joint, contact area is little, the problem of impact joint sealing quality.
For achieving the above object, the invention provides following technical scheme：
A kind of seal nipple, including the first joint, the second joint and nut, one end of described first joint is provided with boss,
The outside of described boss is provided with the primary sealing area of taper；One end of described second joint is provided with matching with described boss
One groove, the inner side of described first groove is provided with the secondary sealing area of taper, and the outside of described first groove is provided with determining of taper
Plane；Described nut intracavity one end is provided with the second groove matching with described locating surface, and the other end is fixed with described first joint
Connect so that described primary sealing area and described secondary sealing area seal.
Preferably, described primary sealing area is identical with the taper of described secondary sealing area.
Preferably, described primary sealing area is provided with vulcanite.
Preferably, described secondary sealing area is provided with vulcanite.
Preferably, described primary sealing area is provided with O-ring seal.
Preferably, described nut and described first joint are fixedly connected using female thread.
The beneficial effects of the present invention is：
The seal nipple that the present invention provides includes the first joint, the second joint and nut, and the one end on the first joint is provided with
Boss, the second joint is provided with the first groove with boss cooperation, is respectively the of taper inside outside the boss and the first groove
One sealing surface and secondary sealing area, are provided with the locating surface of taper outside the first groove, second groove of nut intracavity one end with fixed
Plane coordinates, and other end is fixedly connected with the first joint.During the side of nut is fixedly connected with the first joint, can make
First groove of the second joint extrudes to the second groove of nut intracavity opposite side, the mating surface to the second groove of nut
Apply horizontal force and vertical force, thus promote the tight fit of nut and the second joint, according to the interaction principle of power, nut
The second groove can to the second joint first groove apply retroaction so that the first groove of the second joint connects to first
Mutually extrude between the boss of head, form and promote the sealing between primary sealing area and secondary sealing area.
The seal nipple that the present invention provides, the first joint and the second joint directly pass through the conical surface and groove fit, compared to
Prior art, expands contact area, enhances squeezing effect, improves sealing property.Further, since the second joint and nut
Between be engaged with locating surface by the second groove of taper, increased the cooperation area of nut and the second joint, being subject to of nut
Power is more uniform, and does not recycle cutting ferrule to be positioned, and greatly reduces the probability of nut loosening, the positioning of nut also because
This is more stable.
Brief description
Fig. 1 is the structural representation of the bite type jointing of prior art；
Fig. 2 is the sealing effectiveness figure of the bite type jointing of prior art；
Fig. 3 is the structural representation of seal nipple provided in an embodiment of the present invention；
Fig. 4 is the sealing effectiveness figure of seal nipple provided in an embodiment of the present invention.
Description of reference numerals：1- cutting ferrule, 2- right connector, 3- clamp nut, the left joint of 4-, 5- first joint, 6- second connects
Head, 7- nut, 8- boss, 9- primary sealing area, 10- first groove, 11- secondary sealing area, 12- locating surface, 13- second is recessed
Groove.
Specific embodiment
In order that those skilled in the art is better understood when technical scheme, below in conjunction with accompanying drawing to this
Invention is further detailed.
As shown in Figure 3 and Figure 4, seal nipple provided in an embodiment of the present invention, including the first joint 5, the second joint 6 and spiral shell
Female 7, one end of the first joint 5 is provided with boss 8, and the outside of boss 8 is provided with the primary sealing area 9 of taper；One end of second joint 6
It is provided with the first groove 10 matching with boss 8, the inner side of the first groove 10 is provided with the secondary sealing area 11 of taper, the first groove 10
Outside be provided with the locating surface 12 of taper；Nut 7 inner chamber one end is provided with the second groove 13 matching with described locating surface 12, another
End is fixedly connected so that primary sealing area 9 and secondary sealing area 11 seal with the first joint 5.
When using seal nipple provided in an embodiment of the present invention, first nut 7 is nested with the outside of the second joint 6, makes
The locating surface 12 of the second joint 6 is fitted with the second groove 13 of nut 7, then the boss 8 of the first joint 5 is inserted into second and connects
In 6 the first groove 10, allow primary sealing area 9 to be engaged with secondary sealing area 11, subsequently the first joint 5 is placed to spiral shell
In female 7, adjustment the first joint 5 makes it be fixedly connected with the length of fit of nut 7, between the first joint 5 and the second joint 6
Extruding appropriateness and primary sealing area 9 and secondary sealing area 11 good fit, and second groove 13 and the of nut 7 opposite side
Till the locating surface 12 of two joints 6 is good fit.
In seal nipple provided in an embodiment of the present invention, the first joint 5 and the second joint 6 pass through on boss 8 first
Secondary sealing area 11 gluing, sealing on sealing surface 9 and the first groove 10, the airtight quality of the first joint 5 and the second joint 6 by
Primary sealing area 9 and the contact area of secondary sealing area 11, and the compression degree of primary sealing area 9 and secondary sealing area 11 determines
Fixed.In the present embodiment, primary sealing area 9 and secondary sealing area 11 are the conical surface, with respect to prior art, increased first and connect
5 and second joint 6 contact area improving sealing effectiveness；And the process being fixedly connected in nut 7 and the first joint 5
In, the first joint 5 can pass through locating surface to the second joint 6 to apply active force after the first groove 10 stress of the second joint 6
Second groove 13 of 12 pairs of nuts 7 extrudes, and promotes the second joint 6 to be fitted close with nut 7, former according to the interaction of power
Reason, second groove 13 of nut 7 can apply counteracting force to the locating surface 12 of the second joint 6, acts on the anti-work of the second joint 6
The first groove 10 that the second joint 6 firmly can be made compresses the boss 8 of the first joint 5 so that primary sealing area 9 and secondary sealing area
11 airtight quality improves further.
Additionally, during above-mentioned first joint 5 and the second joint 6 seal, passing through cone between the second joint 6 and nut 7
Second groove 13 and the locating surface 12 of shape are engaged, the mating surface compared to prior art, between nut 7 and the second joint 6
Long-pending also greatly increase, being more uniformly stressed of nut 7, and do not recycle cutting ferrule to be positioned, greatly reduce nut 7 and loosen
Probability, the positioning of nut 7 is also therefore more stable.
On the basis of said structure, in order to increase the contact area of the first joint 5 and the second joint 6 further, improve
The convenience installed, described primary sealing area 9 is identical with the taper of described secondary sealing area 11.
Further, described primary sealing area 9 is provided with vulcanite, even if joint has the micro-displacement of vertical direction,
Due to the elastic reaction of vulcanite and easily deformable, the sealing of primary sealing area 9 and secondary sealing area 11 also can be ensured.
In order to promote the uniform contact of primary sealing area 9 and secondary sealing area 11 further, improve airtight quality, described the
Vulcanite can also be provided with two sealing surfaces 11.
Further, on primary sealing area 9 can also by arrange O-ring seal increase close with the 11 of secondary sealing area
Envelope quality.
For the length of fit of more effectively adjusting nut 7 and the first joint 5, control the first joint 5 and the second joint 6
Extruding degree preferably employs female thread and is fixed even to obtain better seal effect, described nut 7 and described first joint 5
Connect.
Although the present invention is described with reference to above example, the present invention is not limited to above-described embodiment, and
Only limited by claim, those of ordinary skill in the art easily can modify to it and change, but and without departing from
The essential idea of the present invention and scope.
Claims (6)
1. a kind of seal nipple, including the first joint, the second joint and nut it is characterised in that：
One end of described first joint is provided with boss, and the outside of described boss is provided with the primary sealing area of taper；
One end of described second joint is provided with the first groove matching with described boss, and the inner side of described first groove is provided with taper
Secondary sealing area, the outside of described first groove is provided with the locating surface of taper；
Described nut intracavity one end is provided with the second groove matching with described locating surface, and the other end is fixing with described first joint even
Connect so that described primary sealing area and described secondary sealing area seal.
2. seal nipple according to claim 1 is it is characterised in that described primary sealing area and described secondary sealing area
Taper is identical.
3. seal nipple according to claim 1 is it is characterised in that described primary sealing area is provided with vulcanite.
4. seal nipple according to claim 1 is it is characterised in that described secondary sealing area is provided with vulcanite.
5. seal nipple according to claim 1 is it is characterised in that described primary sealing area is provided with O-ring seal.
6. seal nipple according to claim 1 is it is characterised in that described nut and described first joint adopt female thread
It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957793.5A CN106481905A (en) | 2016-10-27 | 2016-10-27 | A kind of seal nipple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957793.5A CN106481905A (en) | 2016-10-27 | 2016-10-27 | A kind of seal nipple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106481905A true CN106481905A (en) | 2017-03-08 |
Family
ID=58271414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610957793.5A Pending CN106481905A (en) | 2016-10-27 | 2016-10-27 | A kind of seal nipple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106481905A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918582A (en) * | 2017-03-31 | 2017-07-04 | 华测检测认证集团股份有限公司 | Microbial detection device |
| CN114263798A (en) * | 2021-12-31 | 2022-04-01 | 上海至纯精密制造有限公司 | Double-inclined-plane flaring pipeline connecting joint |
| CN115199830A (en) * | 2022-07-08 | 2022-10-18 | 禧阅航空技术(上海)有限公司 | Pipeline joint of aviation system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4801160A (en) * | 1981-09-17 | 1989-01-31 | Michael J. Caddell | High-pressure fluid flow connector |
| EP1840435A1 (en) * | 2006-03-31 | 2007-10-03 | Hawle Armaturen GmbH | pipe coupling with locking ring |
| CN202066342U (en) * | 2011-05-10 | 2011-12-07 | 宁波金田铜管有限公司 | Connecting joint of roller hearth furnace |
| CN202442026U (en) * | 2012-02-27 | 2012-09-19 | 宁波市胜源技术转移有限公司 | Sealed movable joint |
| CN202972261U (en) * | 2012-11-13 | 2013-06-05 | 魏德义 | Water pipe connector |
| CN205298890U (en) * | 2015-12-29 | 2016-06-08 | 安徽汉卓流体动力科技有限公司 | Pressure pipe connections sealing assembly |
| CN105736862A (en) * | 2016-03-21 | 2016-07-06 | 哈尔滨飞机工业集团有限责任公司 | Airtightness connection method for tubes |
-
2016
- 2016-10-27 CN CN201610957793.5A patent/CN106481905A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4801160A (en) * | 1981-09-17 | 1989-01-31 | Michael J. Caddell | High-pressure fluid flow connector |
| EP1840435A1 (en) * | 2006-03-31 | 2007-10-03 | Hawle Armaturen GmbH | pipe coupling with locking ring |
| CN202066342U (en) * | 2011-05-10 | 2011-12-07 | 宁波金田铜管有限公司 | Connecting joint of roller hearth furnace |
| CN202442026U (en) * | 2012-02-27 | 2012-09-19 | 宁波市胜源技术转移有限公司 | Sealed movable joint |
| CN202972261U (en) * | 2012-11-13 | 2013-06-05 | 魏德义 | Water pipe connector |
| CN205298890U (en) * | 2015-12-29 | 2016-06-08 | 安徽汉卓流体动力科技有限公司 | Pressure pipe connections sealing assembly |
| CN105736862A (en) * | 2016-03-21 | 2016-07-06 | 哈尔滨飞机工业集团有限责任公司 | Airtightness connection method for tubes |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918582A (en) * | 2017-03-31 | 2017-07-04 | 华测检测认证集团股份有限公司 | Microbial detection device |
| CN114263798A (en) * | 2021-12-31 | 2022-04-01 | 上海至纯精密制造有限公司 | Double-inclined-plane flaring pipeline connecting joint |
| CN115199830A (en) * | 2022-07-08 | 2022-10-18 | 禧阅航空技术(上海)有限公司 | Pipeline joint of aviation system |
| CN115199830B (en) * | 2022-07-08 | 2024-03-22 | 禧阅航空技术(上海)有限公司 | Aviation system pipeline joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106481905A (en) | A kind of seal nipple | |
| KR101317611B1 (en) | Tube connector | |
| CN204323330U (en) | A kind of air brake hose nipple assembly | |
| CN103807526A (en) | Clamping sleeve type metal sealing pipe joint and using method thereof | |
| CN204420403U (en) | A kind of automobile and Brake pipe joint thereof | |
| CN204099786U (en) | Flared type pipe connecting device | |
| CN103591402A (en) | Novel two-ferrule tube fitting | |
| CN109630776A (en) | A kind of Hermetical connecting structure for pump valve pipeline | |
| CN210398077U (en) | Transition joint of air reservoir | |
| CN201209718Y (en) | Tube end structure for enhancing sealing performance and assembling performance | |
| CN106287067A (en) | A kind of automobile brake hose joint of reinforced joint | |
| CN210830851U (en) | Pneumatic brake pipe assembly for vehicle | |
| CN201141485Y (en) | High pressure oil pipe line structure of direction converter | |
| CN202955363U (en) | Sleeve chuck type metal seal tube connector | |
| CN203560626U (en) | Novel pipe joint with double ferrules | |
| CN206861128U (en) | A kind of flared type taper thread free flow coupling body | |
| CN209955969U (en) | Brake pipe connecting device | |
| CN208365000U (en) | Pipe sealing structure and the vehicle for using the structure | |
| CN219062713U (en) | Pipe joint structure and pipeline system of railway vehicle | |
| CN206177122U (en) | Single tube journey floating head heat exchanger screw locking intussuseption material letter seal structure | |
| CN201306559Y (en) | Anti-leak integral type lining core brake hose joint | |
| CN206802594U (en) | A kind of bogie parking brake air feed joint | |
| CN206093263U (en) | Separation and reunion pipeline connecting structure | |
| CN205402025U (en) | Reducing connector | |
| CN206112348U (en) | Sealing joint device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170308 |