CN206409772U - Function nut and ferrule-type compression joint - Google Patents
Function nut and ferrule-type compression joint Download PDFInfo
- Publication number
- CN206409772U CN206409772U CN201720012349.6U CN201720012349U CN206409772U CN 206409772 U CN206409772 U CN 206409772U CN 201720012349 U CN201720012349 U CN 201720012349U CN 206409772 U CN206409772 U CN 206409772U
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- CN
- China
- Prior art keywords
- ring
- nut
- joint
- ferrule
- locating ring
- 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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Abstract
The utility model provides a kind of function nut and ferrule-type compression joint, it is related to pipe joint technical field, the function nut that the utility model is provided, including nut body, axis direction on the inner surface of nut body around nut body is provided with ring-type cutting ferrule, ring-type cutting ferrule includes nut body abutting end and cutting edge end, and the outer surface at cutting edge end is formed with an annular breach；One end of ring-type cutting ferrule is provided with locating ring, the taper surface for coordinating with annular breach is formed with the inner surface of locating ring, the one end of locating ring away from ring-type cutting ferrule is formed with for the first end face with junction contacts, and inclined-plane is formed with adjacent with first end face on locating ring and direction close to steel pipe；Axis direction at the inclined-plane of locating ring around locating ring is provided with elastic seal ring.The function nut that the utility model is provided, effectively prevents the leakage of the liquid or gas in equipment, improves the reliability and security of equipment.
Description
Technical field
The utility model is related to pipe joint technical field, more particularly, to a kind of function nut and ferrule-type compression joint.
Background technology
Pipe joint is the fastening means between pipeline and pipeline, is the tie point that can be dismounted between element and pipeline.
Indispensable key player is act as in pipe fitting, it is one of two main composition parts of hydraulic pipeline.Pipe joint is used for
Instrument isoline is connected, and type of attachment has socket weld or threaded connection.It is mainly used in small-bore low-pressure line, it is frequent for needing
The position of assembly and disassembly is used as the final adjustment using threaded fitting pipeline.
Ferrule-type compression joint applies to the sealed fitting of the non-aggressives such as Oil, Water, Gas or Korrosionsmedium, adapted aluminium
The specification requirement for moulding pipe is more flexible, after be connected with pipeline, the features such as with firm, good seal performance is connected, thus refining oil,
It is widely adopted in the systems such as chemical industry, light industry, weaving, national defence, metallurgy, aviation, ship；It is also applied for various mechanical engineerings, machine
The hydraulic drive pipeline such as bed apparatus.
Traditional ferrule-type compression joint includes joint, cutting ferrule and nut, but if cutting ferrule is filled with joint or nut with joint
With not in place, or equipment produces vibration, may all cause Steel Tube Special pull-off and leakage, or even can be hurt in the presence of high pressure
Operating personnel.
Utility model content
The purpose of this utility model is to provide function nut and ferrule-type compression joint, effectively prevent liquid in equipment or
The leakage of gas, improves the reliability and security of equipment.
To achieve the above object, the utility model provides following technical scheme：
Around the spiral shell on the function nut that the utility model is provided, including nut body, the inner surface of the nut body
The axis direction of maternal body is provided with ring-type cutting ferrule, and the ring-type cutting ferrule includes nut body abutting end and cutting edge end, the sword
The outer surface at mouth end is formed with an annular breach；
One end of the ring-type cutting ferrule, which is provided with locating ring, the inner surface of the locating ring to be formed with, to be used for and the ring
The taper surface that v notch v coordinates, the one end of the locating ring away from the ring-type cutting ferrule is formed with for first with junction contacts
On end face, the locating ring inclined-plane is formed with the direction of adjacent with the first end face and close steel pipe；
Axis direction at the inclined-plane of the locating ring around the locating ring is provided with elastic seal ring.
Further, the nut body is formed with annular projection close to one end of the ring-type cutting ferrule, and the ring-type is convex
Rise and be connected with the outer surface of the nut body abutting end of the ring-type cutting ferrule.
Further, the elastic seal ring vulcanizing treatment is connected on the locating ring.
Further, it is provided with rubber ring on the outer surface of the locating ring.
Further, the nut body is using the zinc-plated surface treatment mode of non-hexavalent chromium.
Further, the elastic seal ring uses quality of rubber materials.
Additionally provide a kind of ferrule-type compression joint, including above-mentioned function nut, in addition to first with the locating ring
The joint of end contact, one end of the joint is provided with the external screw thread matched with the internal thread of the nut body.
Further, the inner surface formation conical surface of the joint and steel pipe abutting end, the axle of the conical surface and the joint
Wire clamp angle is acute angle.
Further, the joint is with being formed with the stop end for fixing the joint on the inner surface of steel pipe abutting end
Face.
Further, it is provided with the outer surface of the joint for preventing the seal of leakage.
The function nut that the utility model is provided, has the advantages that：
The function nut that the utility model is provided, when in use, when the cutting edge termination of ring-type cutting ferrule contacts locating ring, is completed
The prepackage that this function nut is installed；In steel pipe insertion nut body, continue that function nut is carried out to tighten action, ring-type cutting ferrule
Cutting edge end deforms upon and inserted in the tube wall of steel pipe, when nut body abutting end adjacent with annular breach in ring-type cutting ferrule
When outer surface is contacted with the outer surface of locating ring, stopping is tightened to nut, now, the inner surface of elastic seal ring and steel pipe it is outer
Intimate surface contact, reaches sealing effectiveness, completes the assembling of steel pipe.
The function nut that the utility model is provided, elastic seal ring is arranged in nut body with locating ring, it is to avoid
The phenomenon that part is scattered during assembling, improves efficiency of assembling；When this function nut in use, ring-type cutting ferrule, locating ring and elasticity
Sealing ring is used cooperatively, and is effectively prevented from gas or fluid leakage in equipment, is also possible to prevent in the under-voltage shape of device interior
Under state, air enters in equipment；Elastic seal ring can enter row buffering to the pressure of device interior simultaneously, improve the safety of equipment
Property；The use of locating ring, which effectively prevent this function nut, to be occurred tightening phenomenon when mounted, and improved the effect of assembling
Rate and reliability.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
The sectional view for the function nut that Fig. 1 provides for the utility model embodiment；
Fig. 2 pre-installs structural representation when completing for the ferrule-type compression joint that the utility model embodiment is provided；
The close-up schematic view at A that Fig. 3 provides for the utility model embodiment；
Fig. 4 assembles structural representation when completing for the ferrule-type compression joint that the utility model embodiment is provided；
The close-up schematic view at B that Fig. 5 provides for the utility model embodiment.
Icon：1- nut bodies；11- ring-type cutting ferrules；111- cutting edges end；12- locating rings；13- elastic seal rings；
14- annular projections；2- joints；3- steel pipes.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only
Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
Function nut and ferrule-type compression joint that the utility model is provided, function nut are connected through a screw thread with joint 2,
Steel pipe 3 is inserted in the inner chamber of this function nut, function nut is tightened, the assembling of steel pipe 3, elastic seal ring 13 and positioning is completed
Ring 12 is arranged in nut body 1, it is to avoid the phenomenon that part is scattered during assembling, improves efficiency of assembling；When this function spiral shell
It is female in use, the gas or fluid leakage in equipment can be avoided, be also possible to prevent under device interior under-voltage condition, air enters
Enter in equipment；Elastic seal ring 13 can enter row buffering to the pressure of device interior simultaneously, improve the security of equipment；Locating ring
12 use effectively prevent this function nut and occur tightening phenomenon when mounted, and improve assembling efficiency and can
By property.
The sectional view for the function nut that Fig. 1 provides for the utility model embodiment；Fig. 2 provides for the utility model embodiment
Ferrule-type compression joint prepackage complete when structural representation；The partial enlargement at A that Fig. 3 provides for the utility model embodiment
Schematic diagram；Fig. 4 assembles structural representation when completing for the ferrule-type compression joint that the utility model embodiment is provided；Fig. 5 is this
The close-up schematic view at B that utility model embodiment is provided.
Around nut body 1 on the function nut that the utility model is provided, including nut body 1, the inner surface of nut body 1
Axis direction be provided with ring-type cutting ferrule 11, ring-type cutting ferrule 11 includes the abutting end of nut body 1 and cutting edge end 111, cutting edge end 111
Outer surface be formed with an annular breach；
One end of ring-type cutting ferrule 11, which is provided with locating ring 12, the inner surface of locating ring 12 to be formed with, to be used for and annular breach
The taper surface of cooperation, the one end of locating ring 12 away from ring-type cutting ferrule 11 is formed with the first end face for being contacted with joint 2, positioning
On ring 12 inclined-plane is formed with the direction of adjacent with first end face and close steel pipe 3；
Axis direction at the inclined-plane of locating ring 12 around locating ring 12 is provided with elastic seal ring 13.
The function nut that the utility model is provided, when in use, the cutting edge end 111 of ring-type cutting ferrule 11 touches locating ring 12
When, the prepackage that complete cost function nut is installed；In the insertion nut body 1 of steel pipe 3, continue that function nut is carried out to tighten action,
The cutting edge end 111 of ring-type cutting ferrule 11 deforms upon and inserted in the tube wall of steel pipe 3, when adjacent with annular breach in ring-type cutting ferrule 11
The outer surface of the abutting end of nut body 1 when being contacted with the outer surface of locating ring 12, stopping is tightened to nut, now, and elasticity is close
The inner surface of seal 13 is in close contact with the outer surface of steel pipe 3, reaches sealing effectiveness, completes the assembling of steel pipe 3.
The function nut that the utility model is provided, elastic seal ring 13 is arranged in nut body 1 with locating ring 12, is kept away
The phenomenon that part is scattered when having exempted from assembling, improves efficiency of assembling；When this function nut in use, ring-type cutting ferrule 11, locating ring
12 and elastic seal ring 13 use cooperatively, be effectively prevented from gas or fluid leakage in equipment, be also possible to prevent in equipment
Under internal under-pressure state, air enters in equipment；Elastic seal ring 13 can enter row buffering to the pressure of device interior simultaneously, improve
The security of equipment；The use of locating ring 12, which effectively prevent this function nut, to be occurred tightening phenomenon when mounted, and
Improve the efficiency and reliability of assembling.
Further, as it is a kind of specifically can embodiment, nut body 1 formed close to one end of ring-type cutting ferrule 11
There is annular projection 14, annular projection 14 is connected with the outer surface of the abutting end of nut body 1 of ring-type cutting ferrule 11.Annular projection 14 exists
Auxiliary is played a part of to the use of elastic seal ring 13 and locating ring 12 when nut is tightened, when nut is tightened
When, annular projection 14 acts on ring-type cutting ferrule 11, ring-type cutting ferrule 11 is moved with nut to same direction.
Further, as it is a kind of specifically can embodiment, the vulcanizing treatment of elastic seal ring 13 is connected to locating ring
On 12.
Further, as it is a kind of specifically can embodiment, be provided with rubber ring on the outer surface of locating ring 12.It is fixed
The sealing property that rubber ring further increases this function nut is provided with the outer surface of position ring 12.
Further, as it is a kind of specifically can embodiment, ring-type cutting ferrule 11 is using at non-hexavalent chromium galvanizing surface
Reason mode.Zinc coat is steel substrate most cheap protective layer, zinc-plated effectively to prevent this function nut from producing corrosion, is prolonged
The service life of long this function nut, the reliability for improving the practicality of this function nut and using.
In addition, Cr VI is the property swallowed poisonous substance/extremely toxic thing of imbedibility, skin contact may cause sensitivity；More likely cause
Inherited genetic defects, suction is potentially carcinogenic, and has lasting danger to environment.Cr VI is easy to be absorbed by the body, it
Human body can be invaded by digestion, respiratory tract, skin and mucous membrane：Different degrees of sand can be caused by the Cr VI breathed in air
Mute, Atrophic nasal mucosas, can also make perforation of nasal septum and bronchiectasis etc. when serious；Can be caused vomiting when being invaded through alimentary canal,
Abdomen aches；Dermatitis and eczema can be produced when being invaded through skin；Harm maximum is contact in long or short term or suction, there is carcinogenic danger
Danger.User is not injured using non-hexavalent chromium galvanizing surface processing mode, while not had a negative impact to environment, met
Environmental requirement.
Further, as it is a kind of specifically can embodiment, elastic seal ring 13 uses quality of rubber materials.Elastic packing
Circle 13 has blocked gas or the unique leakage path of liquid in equipment, pressure fluid that not only can be in sealed tube, while can be to prevent
Air enters system in the case of only under-voltage in pipe.The elastic seal ring 13 of this function nut has due to using quality of rubber materials
There is good pressure buffer performance, therefore, similarly there is highly desirable sealing effectiveness under high pressure operating mode, while by
It is operated in elastic seal ring 13 in static pressure area, service life is longer, improves the practicality of equipment.
Further, specifically can embodiment, rubber of the selection of elastic seal ring 13 with oil resistant characteristic as one kind
Glue, thus the material of elastic seal ring 13 can from nitrile rubber, neoprene, hydrogenated nitrile-butadiene rubber, ACM or
Fluorubber, in being originally example, preferably fluorubber as elastic seal ring 13 raw material.
Further, as it is a kind of specifically can embodiment, this function nut is the mark made according to Standard
Quasi- part, production cost is relatively low in process of production, and production efficiency is higher, while can be replaced with traditional nut, drops
The maintenance of low equipment and maintenance cost, improve the practicality of this function nut.
Further, as it is a kind of specifically can embodiment, the inner surface of this function nut scribbles lubricant.This work(
The inner surface of energy nut, which scribbles lubricant, can effectively prevent stuck phenomenon when using this function nut, simultaneously
The friction of elastic seal ring 13 and the inner surface and locating ring 12 and the inner surface of nut body 1 of nut body 1 is reduced, it is convenient
The installation of this function nut and use.
In addition, the utility model additionally provides a kind of ferrule-type compression joint, including above-mentioned functions nut, in addition to positioning
The joint 2 of the first end face contact of ring 12, one end of joint 2 is provided with the external screw thread matched with the internal thread of nut body 1.
The ferrule-type compression joint that the utility model is provided, when in use, screw thread is passed through by above-mentioned function nut and joint 2
Connection, steel pipe 3 is inserted in the inner chamber of this function nut, function nut is tightened, and completes the assembling of steel pipe 3；By using this
Many steel pipes 3, can be attached by ferrule-type compression joint.
Further, specifically can embodiment, the inner surface formation cone of joint 2 and the abutting end of steel pipe 3 as one kind
The axis angle of face, the conical surface and joint 2 is acute angle.In the present embodiment, the bottom surface for the cone that the conical surface is surrounded is close towards elasticity
Seal 13, and the angle of the conical surface and the axis of joint 2 is 24 degree.
Further, as it is a kind of specifically can embodiment, be provided with for preventing leakage on the outer surface of joint 2
Seal.Seal further ensures the sealing of equipment, effectively ensures under limit condition of operation without tightening again
Nut equipment occurs without leakage phenomenon, saves operation and the time of workman, reduces time cost and cost of labor, have
Preferable practicality.
Further, as it is a kind of specifically can embodiment, seal uses fluorubber material, fluorine rubber seal element
With high temperature resistant and corrosion resistant characteristic, when the fluid in equipment is corrosive fluid, or equipment when working under the high temperature conditions,
The life-span of equipment can be improved using the seal of fluorubber material, to reduce the use cost of equipment, the peace that equipment is used is improved
Full property and reliability.
Further, specifically can embodiment, joint 2 and formation on the inner surface of the abutting end of steel pipe 3 as one kind
There is the stop end face for anchor tip 2.When this ferrule-type compression joint is assembled with steel pipe 3, first by function nut with connecing
First 2 are attached, complete prepackage, then by steel pipe 3 by function nut one end insert, to joint 2 in stop end, again
This function nut is tightened, the cutting edge end 111 of cutting ferrule is cut in the wall of steel pipe 3, completes assembling.
Further, as it is a kind of specifically can embodiment, the joint 2 in this ferrule-type compression joint is according to national standard
It is required that the standard component made, and this ferrule-type compression joint installation dimension and the installation dimension one of traditional ferrule-type compression joint
Cause, production cost is relatively low in process of production, and production efficiency is higher, while can be replaced with traditional ferrule-type compression joint
Change, reduce maintenance and the maintenance cost of equipment, improve the practicality of this ferrule-type compression joint.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. function nut, it is characterised in that including nut body (1),
Axis direction on the inner surface of the nut body (1) around the nut body (1) is provided with ring-type cutting ferrule (11), institute
Stating ring-type cutting ferrule (11) includes nut body (1) abutting end and cutting edge end (111), and the outer surface of the cutting edge end (111) is formed
There is an annular breach；
One end of the ring-type cutting ferrule (11), which is provided with to be formed with locating ring (12), the inner surface of the locating ring (12), to be used for
The taper surface coordinated with the annular breach, the one end of the locating ring (12) away from the ring-type cutting ferrule (11), which is formed with, to be used for
Direction adjacent with the first end face and close to steel pipe (3) on the first end face contacted with joint (2), the locating ring (12)
On be formed with inclined-plane；
Axis direction at the inclined-plane of the locating ring (12) around the locating ring (12) is provided with elastic seal ring (13).
2. function nut according to claim 1, it is characterised in that the nut body (1) is close to the ring-type cutting ferrule
(11) one end is formed with annular projection (14), the nut body (1) of the annular projection (14) and the ring-type cutting ferrule (11)
The outer surface connection of abutting end.
3. function nut according to claim 1, it is characterised in that elastic seal ring (13) vulcanizing treatment is connected to
On the locating ring (12).
4. function nut according to claim 1, it is characterised in that be provided with rubber on the outer surface of the locating ring (12)
Cushion rubber.
5. function nut according to claim 1, it is characterised in that the nut body (1) is zinc-plated using non-hexavalent chromium
Surface treatment mode.
6. function nut according to claim 1, it is characterised in that the elastic seal ring (13) uses quality of rubber materials.
7. ferrule-type compression joint, it is characterised in that including the function nut as any one of claim 1 to 6, in addition to
The joint (2) contacted with the first end face of the locating ring (12), one end of the joint (2) is provided with and the nut body
(1) external screw thread of internal thread matching.
8. ferrule-type compression joint according to claim 7, it is characterised in that the joint (2) and steel pipe (3) abutting end
The axis angle of the inner surface formation conical surface, the conical surface and the joint (2) is acute angle.
9. ferrule-type compression joint according to claim 7, it is characterised in that the joint (2) and steel pipe (3) abutting end
The stop end face for fixing the joint (2) is formed with inner surface.
10. ferrule-type compression joint according to claim 7, it is characterised in that be provided with the outer surface of the joint (2)
Seal for preventing leakage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720012349.6U CN206409772U (en) | 2017-01-05 | 2017-01-05 | Function nut and ferrule-type compression joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720012349.6U CN206409772U (en) | 2017-01-05 | 2017-01-05 | Function nut and ferrule-type compression joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206409772U true CN206409772U (en) | 2017-08-15 |
Family
ID=59554928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720012349.6U Expired - Fee Related CN206409772U (en) | 2017-01-05 | 2017-01-05 | Function nut and ferrule-type compression joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206409772U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764145A (en) * | 2017-01-05 | 2017-05-31 | 宁波市鄞州纳沙液压器材有限公司 | Function nut and ferrule-type compression joint |
| CN111963694A (en) * | 2020-07-10 | 2020-11-20 | 孟飞虎 | Valve convenient to impurity in filtering conduit |
-
2017
- 2017-01-05 CN CN201720012349.6U patent/CN206409772U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764145A (en) * | 2017-01-05 | 2017-05-31 | 宁波市鄞州纳沙液压器材有限公司 | Function nut and ferrule-type compression joint |
| CN111963694A (en) * | 2020-07-10 | 2020-11-20 | 孟飞虎 | Valve convenient to impurity in filtering conduit |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 Termination date: 20200105 |