CN206468937U - A kind of pipeline thread attachment means - Google Patents
A kind of pipeline thread attachment means Download PDFInfo
- Publication number
- CN206468937U CN206468937U CN201621101891.0U CN201621101891U CN206468937U CN 206468937 U CN206468937 U CN 206468937U CN 201621101891 U CN201621101891 U CN 201621101891U CN 206468937 U CN206468937 U CN 206468937U
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- Prior art keywords
- pipeline
- cavity
- attachment means
- internal tooth
- sealing ring
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Abstract
The utility model discloses a kind of pipeline thread attachment means, including connector, small internal tooth collar, big internal tooth collar, sealing ring, spring washer and blind nut, the side of connector offers the cavity that pipeline is arranged for connecting vertically, the opposite side of connector is provided with the nut connector connected with cavity, the cavity wall of cavity is provided with the lug boss for being used for positioning the backstop pipeline mouth of pipe, the first inner stopper has been orderly arranged outside each by lug boss direction in the cavity wall of cavity, second inner stopper and internal thread, it is the inner chamber of accommodating sealing ring between first inner stopper and the second inner stopper, annular groove of the inner side end of sealing ring provided with interlocking spring washer, blind nut is axially arranged with the through hole coordinated with pipeline gap, blind nut is radially provided with the holding screw for fastening pipeline.It is suitably applied the pipeline connection in air-conditioner refrigerating system, and each construction part module assembles the cold attachment means to form pipeline, and mounting process simple and efficient, quality of connection is safe and reliable, and sealing effectiveness is more preferable.
Description
Technical field
The utility model is related to technical field of pipeline connection, more particularly, to a kind of pipeline thread attachment means.
Background technology
Along with the development and progress of science and technology, central air-conditioning, freezer, air conditioning for automobiles, water chiller and the sky of family expenses and commercialization
The HVAC such as air supply heat pump field is also flourished, such as, central air-conditioning was spread at an unprecedented rate in recent years
Huge numbers of families.The installation of central air-conditioning is a complicated system engineering, in the market the also central hollow without complete set
Tune standard installation specification.It is required for following certain installation standard on the pipeline Joining Technology of central air-conditioning, could really plays
The due efficiency of central air-conditioning, the maintenance for reducing the later stage is worried.Air-conditioning duct Joining Technology of the prior art generally uses pricker
, although this process is widely used, there is many drawbacks, site operation equipment is complicated, and welding procedure is difficult in welding technology
Degree is big, and the technical merit to workmen requires high, employs generation high temperature toxic gas, working environment in naked light, fiery Welding
Badly, there is disaster hidden-trouble, job site needs to take special safety measure.
The applying date is September in 2014 18, and the day for announcing is discloses one in the Chinese patent document on December 31st, 2014
The cold attachment means of pipeline are planted, it substitutes traditional soldering processes formation modularization by the cold interconnection technique of clamp-press type and installs standard,
Trouble and danger that naked light is brought are eliminated using cold connection, operating personnel's technical merit standard, still, the cold connection is reduced
Device is during press-fiting, first by smearing the means of sealing fluid, and pipeline and ring body inserting are realized into sealing function, Ran Houzai
Press-loading process is carried out, under pressure, protruding ring, pipeline and neck bush produce lower bending, play mechanical connection effect, this
Plant mechanical connecting structure solid and reliable, be less prone to and pull during use, still, smear the mode of sealing fluid easily by high temperature ring
Border and external impact force influence cracking phenomenon, cause sealing effectiveness to fail, the problem of service life is short.The applying date is 2014
On December 30, the day for announcing to disclose a kind of assembling pipe joint in the Chinese patent document on July 15th, 2015, the device
Main function be pressure ring to adapter main direction be compacted during, outer liner tube and pressure ring can be compressed, so as to realize pressure
Sealing and connection function, this mechanical connecting structure are realized in real connection, the deformation of internal lining pipe and the similar bellows of outer liner tube generation
Firmly, still, under the influence of by external impact force, easily there is the problem of sealing effectiveness is not enough.
Utility model content
In view of the shortcomings of the prior art, technical problem to be solved is to provide a kind of pipeline thread connection to the utility model
Device, it is suitably applied the pipeline connection in air-conditioner refrigerating system, available for fixed -piping and A/C evaporator and condensation
Connection between device, the cold attachment means to form pipeline are assembled by each standardized components progress modularization, and mounting process is simple
Efficiently, pipeline quality of connection is safe and reliable, and sealing effectiveness is more preferable.
The utility model is to be addressed above-mentioned technical problem by the following technical programs.
A kind of pipeline thread attachment means, including connector, small internal tooth collar, big internal tooth collar, sealing ring, spring washer
And blind nut, the side of connector offers the cavity that pipeline is arranged for connecting vertically, and the opposite side of connector is provided with and chamber
The nut connector of body connection, the cavity wall of cavity is provided with the lug boss for being used for positioning the backstop pipeline mouth of pipe, in the cavity wall of cavity
By lug boss towards be orderly arranged outside each for position the small internal tooth collar of backstop the first inner stopper, for positioning backstop imperial palace
Second inner stopper of tooth collar and the internal thread for being threadedly coupled blind nut, are accommodating between the first inner stopper and the second inner stopper
The inner chamber of sealing ring, annular groove of the inner side end provided with interlocking spring washer of sealing ring, blind nut is axially arranged with and pipeline gap
The through hole of cooperation, blind nut is radially provided with the holding screw for fastening pipeline.
The attachment means use each split component include connector, small internal tooth collar, big internal tooth collar, sealing ring,
Spring washer and blind nut can match standard element, and each component groups, which are matched somebody with somebody, more than realizes that the modularization of the cold connection of pipeline installs mould
Formula, without instrument, facilitates site operation, mounting technique difficulty is low, and installation process quickness and high efficiency, installation cost is low.Small internal tooth card
Circle, big internal tooth collar and sealing ring and the pipeline of side formation bite type mechanical connecting structure, small internal tooth collar and big internal tooth card
There is the latch functions of some strength, blind nut and connector formation screw connection structure between gear piece and pipeline outer wall on circle,
And pipeline is fastened to increase drawing dynamics by the holding screw being radially arranged, the medial extremity of blind nut can be tightened against big internal tooth
Space between the end face outside of collar and further crush seal circle deformable filler pipeline outer wall and connection body lumen wall, in enhancing
While mechanical connecting structure intensity, the sealing property of sealing ring is improved, connector passes through nut connector and opposite side
The formation nut connected mode such as pipeline or pipe joint, this cold connection mechanical structure application mature and reliable, it is ensured that pipeline safety,
It is durable to use.
Preferably, lug boss is along the circumferentially disposed bulge loop of the cavity wall of cavity.
Preferably, the exterior side port of sealing ring is provided with the reaming mutually chimeric with big internal tooth collar.
Preferably, the cavity wall sealing being respectively equipped with the inner peripheral surface and outer circumference surface of sealing ring with pipeline and cavity is matched somebody with somebody
The insection structure of conjunction.
Preferably, be equipped with small internal tooth collar and big internal tooth collar towards axis direction be radially distributed it is some
Tilting elasticity gear piece.
Preferably, the inner ring of elastic gear piece formation and pipeline are interference fit.
Preferably, the front portion of blind nut is provided with male half coupling, male half coupling is provided with the external screw thread being engaged with internal thread.
Preferably, the rear portion of blind nut sets holding screw.
Preferably, arc notch is offered on the hole wall of the rear portion of the blind nut through hole corresponding with holding screw,
Interlocking has the arc spacer being engaged with holding screw on arc notch.
Preferably, interlocking on groove, groove is offered on the hole wall of through hole O-ring seal.
Sum it up, pipeline thread attachment means of the present utility model a, side ducts connect through small internal tooth collar and big
The latch functions of internal tooth collar are engaged the cold connection mounting means of the pipeline to be formed with the screw connection structure of blind nut and connector,
Another side ducts connect through nut connector formation nut connected mode, and traditional soldering processes are substituted with this, naked light is eliminated
The potential safety hazard brought, using the modularization Installation Modes that standard is unified, simplifies mounting process step, reduces mounting technique mark
Standard, site construction technology is good, and installation process is brisk efficiently, reduces installation cost, improves installation effectiveness.
1. each split component can match standard element, to form the standard of modularization Installation Modes and mounting process
Change, unitizing provides strong precondition, standard element is easy to batch production, batch application, reduction production cost and dress
With cost.Standardize mounting technique clear and easy to understand, without instrument, greatly reduce mounting process difficulty, simplify site operation
Condition, improves the flexibility of site operation, reduces installation and maintenance cost.
2. pipeline passes through blind nut using inserting mode and small internal tooth collar and big internal tooth collar formation locking connected mode
Extruding and limit stops function are realized to other components with the screw thread auxiliary structure of ring main body, the clamp screw on blind nut is radially arranged in
Nail, which can further increase drawing dynamics, effectively prevents that is caused under mechanical external force effect to pull phenomenon, mechanical connecting structure easily
Intensity is high, rigidity is good, durable to use, and sealing property is not disturbed by high and low temperature environment.
3. set spring washer to play setting supporting role on sealing ring, effectively prevent in installation process sealing ring by
The phenomenon for extruding the unexpected form torsional deflection caused occurs, and sealing ring produces deformation when bearing extruding force and then expanded and fills out
The gap filled between pipeline outer wall and ring main body cavity wall, sealing structure is simple and practical, with excellent sealing property.
4. the hole wall of through hole is provided with O-ring seal, two seal structures are formed, it is permanent reliable using sealing property.5.
By opening up arc notch on the hole wall of through hole and rabbeting arc spacer, coordinate with holding screw formation, by holding screw
Force holds pipeline tightly by arc spacer, both effectively can prevent pipeline from releasing, and holding screw can be avoided directly to contact pipeline again
Easily cause the phenomenon of pipeline concentration of local stress damage.
Brief description of the drawings
Fig. 1 is the utility model configuration schematic diagram；
Fig. 2 is the cross section structure diagram under the utility model confined state；
Fig. 3 is the axle side structure schematic diagram of sealing ring of the present utility model；
Fig. 4 is the cross section structure diagram of sealing ring of the present utility model；
Fig. 5 is the axle side structure schematic diagram of small internal tooth collar of the present utility model and big internal tooth collar；
Fig. 6 is a kind of configuration schematic diagram of blind nut of the present utility model.
In figure：1- connectors, the small internal tooth collars of 2-, the big internal tooth collars of 3-, 4- sealing rings, 5- spring washers, 6- blind nuts, 7-
Cavity, 8- lug bosses, the inner stoppers of 9- first, the inner stoppers of 10- second, 11- internal threads, 12- annular grooves, 13- through holes, 14- nuts connect
Head, 15- reamings, 16- elasticity gear pieces, 17- male half couplings, 18- holding screws, 19- grooves, 20-O type sealing rings, 21- arcs lack
Mouthful, 22- arc spacers, 23- cover plates.
Embodiment
Understand the utility model for convenience, below in conjunction with the accompanying drawings in the preferred embodiment pair of the present utility model that provides
The utility model is described in detail.
A kind of pipeline thread attachment means of the utility model as depicted in figs. 1 and 2, are suitably applied air conditioner refrigeration system
Pipeline connection in system, available for the connection between fixed -piping and A/C evaporator and condenser.Include connector in structure
1st, small internal tooth collar 2, big internal tooth collar 3, sealing ring 4, spring washer 5 and blind nut 6, should in order to be adapted to mass production and marketing
With connector 1 and blind nut 6 are preferred to use aluminum alloy material structure, can be realized and produced in batches by compression molding process, technique skill
Art is ripe, and reliable in quality, cost is low.Product surface novel nano coating treatment, prevents the current potential produced between unlike material
Difference, can anti-corrosion, product surface can play filling effect if any breakage.Small internal tooth collar 2, big internal tooth collar 3 and spring washer 5 are preferred
Using spring steel material-structure.Sealing ring 4 is preferred to use hydrogenation nitrile rubber material-structure, and hydrogenation nitrile rubber has good
Oil resistivity, heat resistance, high pressure resistant, wearability and incompressible permanent deformation performance.It is of course also possible to according to actual conditions, it is flexible
The mechanical coupling strength and sealing property realized using other more suitable materials with reaching required by this attachment means.Connection
The side of body 1 offers the cavity 7 that pipeline is arranged for connecting vertically, and the opposite side of connector 1 is provided with what is connected with cavity 7
Nut connector 14, nut connector 14 can use integrated formed structure with connector 1, pass through nut connector 14 and the pipeline of opposite side
Or pipe joint formation nut connected mode, this cold connection mechanical structure application mature and reliable, it is ensured that pipeline is safe, durable to make
With.The cavity wall of cavity 7 is provided with the lug boss 8 for being used for positioning the backstop pipeline mouth of pipe, and lug boss 8 could be arranged to along cavity 7
The circumferentially disposed bulge loop of cavity wall.It is small for positioning backstop towards being orderly arranged outside each by lug boss 8 in the cavity wall of cavity 7
First inner stopper 9 of internal tooth collar 2, the second inner stopper 10 for positioning the big internal tooth collar 3 of backstop and for being threadedly coupled spiral shell
The internal thread 11 of lid 6, wherein, the front portion of blind nut 6 is provided with male half coupling 17, and male half coupling 17 is outer provided with what is be engaged with internal thread 11
Screw thread.It is to be set on the inner chamber of accommodating sealing ring 4, the inner side end of sealing ring 4 between the first inner stopper 9 and the second inner stopper 10
There is the annular groove 12 of interlocking spring washer 5, spring washer 5 can effectively prevent from installing to 4 setting supporting roles of sealing ring
In journey sealing ring 4 be squeezed the unexpected form torsional deflection caused phenomenon occur.Blind nut 6 is axially arranged with matches somebody with somebody with pipeline gap
The through hole 13 of conjunction, to ensure not interfere during inserting pipeline.Blind nut 6 is radially provided with the holding screw 18 for fastening pipeline,
Drawing dynamics, which can further be increased, effectively prevents that is caused under mechanical external force effect to pull phenomenon easily, and enhancing mechanically connects knot
Holding screw 18, can be arranged on the rear portion of blind nut 6, be kept at a distance with male half coupling 17 by structure intensity, prevent with male half coupling 17
External screw thread is interfered.As shown in Figure 6, as a kind of embodiment of blind nut 6, in the rear portion positioned at blind nut 6 and clamp screw
Open up to rabbet to have on arc notch 21, arc notch 21 on the hole wall for following closely 18 corresponding through holes 13 and be engaged with holding screw 18
Arc spacer 22, by opening up arc notch 21 on the hole wall of through hole 13 and rabbeting arc spacer 22, with holding screw 18
Formed and coordinated, the force of holding screw 18 held tightly pipeline by arc spacer 22, both effectively can prevent pipeline from releasing, and again might be used
The directly contact pipeline of holding screw 18 is avoided to easily cause the phenomenon of pipeline concentration of local stress damage, in order to the He of arc notch 21
Arc spacer 22 plays a protective role, and can be extended flanged structure in the rear portion ora terminalis of blind nut 6 and form inner stopper, stop inside
The block of cover plate 23 is set to live arc notch 21 on mouth.
During actual installation, small internal tooth collar 2, big internal tooth collar 3, sealing ring 4, spring washer 5 and blind nut 6 are assembled in advance
Be installed in the cavity 7 of connector 1, then pipeline is directly inserted from the through hole 13 on blind nut 6 and cause the pipeline mouth of pipe with it is convex
Play the tight abutment of portion 8 and then complete assembling, the assembly technology is simple, can hand operation, mechanical connecting structure intensity height, by machinery
External force effect, which is less prone to, pulls phenomenon, and sealing property is not also disturbed by hot environment.In order to ensure degree of accuracy during inserting,
The telltale mark being engaged with lug boss 8 is set on the outer wall of connector 1, inserting is carried out on pipeline by telltale mark in advance
It is easy to confirm situation in place during mark in place, inserting.Sealing ring 4 produces deformation when bearing extruding force and then expanded and fills out
The gap filled between pipeline outer wall and the cavity wall of ring main body 1, further can distinguish on the inner peripheral surface and outer circumference surface of sealing ring 4
The insection structure for setting the cavity wall sealing with pipeline and cavity 7 to coordinate, so forms multiple tracks linear sealing effect, strengthens sealing
Energy.Interlocking on groove 19, groove 19 can also be further offered on the hole wall of through hole 13 O-ring seal 20, so, can
On the basis of the sealing structure of sealing ring 4, to form two seal structures, ensure permanent reliable using seal performance energy.In order to
The latch functions of small internal tooth collar 2 and big internal tooth collar 3 and pipeline outer wall are improved, as shown in Figure 5, small internal tooth collar 2 and big
The elastic gear piece 16 of some tiltings being radially distributed towards axis direction, the elastic shape of gear piece 16 are equipped with internal tooth collar 3
Into inner ring and pipeline be interference fit, so, after the completion of pipeline inserting, the inner ring of the elastic formation of gear piece 16, which is closely engaged, manages
Pipeline outer wall, and due to that using the elastic gear piece 16 of tilting, can be retreated for pipeline and provide powerful locking resistance.Blind nut 6 and company
Junctor 1 constitutes screw thread auxiliary structure, and during blind nut 6 is screwed, the medial extremity of blind nut 6 can be tightened against big internal tooth collar 3
End face outside and the further space between the deformable filler pipeline outer wall of crush seal circle 4 and the cavity wall of ring main body 1, in order to anti-
The phenomenon that only unexpected torsional deflection occurs for sealing ring 4 in extrusion process occurs, as shown in Figure 3 and Figure 4, in sealing ring 4
Exterior side port sets the reaming 15 mutually chimeric with big internal tooth collar 3, and big internal tooth collar 3 plays setting supporting role to sealing ring 4
And keep desired morphology to make the dilatancy of sealing ring 4 to the transmission of sealing ring 4 extruding force.
The utility model is not limited to above-described preferably embodiment, based on those skilled in the art institute
The known technology or use that can be known are capable of the various modifications of equivalence replacement and the embodiment of change in the prior art,
It is every to be based on spirit of the present utility model or technical concept, it should be included within protection domain of the present utility model.
Claims (10)
1. a kind of pipeline thread attachment means, it is characterized in that：Including connector (1), small internal tooth collar (2), big internal tooth collar
(3), sealing ring (4), spring washer (5) and blind nut (6), the side of connector (1) are offered for connecting sheathed pipe vertically
The cavity (7) in road, the opposite side of connector (1) is provided with the nut connector (14) connected with cavity (7), the cavity wall of cavity (7)
Provided with the lug boss (8) for positioning the backstop pipeline mouth of pipe, in the cavity wall of cavity (7) by lug boss (8) towards outside successively
Be provided with for position the small internal tooth collar (2) of backstop the first inner stopper (9), for position the big internal tooth collar (3) of backstop the
Two inner stoppers (10) and the internal thread (11) for being threadedly coupled blind nut (6), the first inner stopper (9) and the second inner stopper (10) it
Between be accommodating sealing ring (4) inner chamber, annular groove (12) of the inner side end provided with interlocking spring washer (5) of sealing ring (4), spiral shell
Lid (6) is axially arranged with the through hole (13) coordinated with pipeline gap, and blind nut (6) is radially provided with the holding screw for fastening pipeline
(18)。
2. pipeline thread attachment means according to claim 1, it is characterized in that：Lug boss (8) is the chamber along cavity (7)
The circumferentially disposed bulge loop of wall.
3. pipeline thread attachment means according to claim 1, it is characterized in that：The exterior side port of sealing ring (4) be provided with
The reaming (15) that big internal tooth collar (3) is mutually fitted together to.
4. pipeline thread attachment means according to claim 1, it is characterized in that：The inner peripheral surface of sealing ring (4) and cylindrical
The insection structure that the cavity wall sealing with pipeline and cavity (7) coordinates is respectively equipped with side face.
5. pipeline thread attachment means according to claim 1, it is characterized in that：Small internal tooth collar (2) and big internal tooth collar
(3) the elastic gear piece (16) of some tiltings being radially distributed towards axis direction is equipped with.
6. pipeline thread attachment means according to claim 5, it is characterized in that：Inner ring and pipe that elastic gear piece (16) is formed
Road is interference fit.
7. pipeline thread attachment means according to claim 1, it is characterized in that：The front portion of blind nut (6) is provided with male half coupling
(17), male half coupling (17) is provided with the external screw thread being engaged with internal thread (11).
8. pipeline thread attachment means according to claim 7, it is characterized in that：The rear portion of blind nut (6) sets holding screw
(18)。
9. pipeline thread attachment means according to claim 8, it is characterized in that：Positioned at the rear portion of blind nut (6) and clamp screw
Offering to rabbet on arc notch (21), arc notch (21) on the hole wall of the corresponding through hole (13) of nail (18) has and clamp screw
The arc spacer (22) that nail (18) is engaged.
10. pipeline thread attachment means according to claim 1, it is characterized in that：Ditch is offered on the hole wall of through hole (13)
Interlocking has O-ring seal (20) on groove (19), groove (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621101891.0U CN206468937U (en) | 2016-10-08 | 2016-10-08 | A kind of pipeline thread attachment means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621101891.0U CN206468937U (en) | 2016-10-08 | 2016-10-08 | A kind of pipeline thread attachment means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206468937U true CN206468937U (en) | 2017-09-05 |
Family
ID=59710115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621101891.0U Withdrawn - After Issue CN206468937U (en) | 2016-10-08 | 2016-10-08 | A kind of pipeline thread attachment means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206468937U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322006A (en) * | 2016-10-08 | 2017-01-11 | 杭州温格科技有限公司 | Pipe threaded connecting device |
| CN114108955A (en) * | 2021-11-26 | 2022-03-01 | 上海交通建设总承包有限公司 | Steel bar connection grouting sleeve |
-
2016
- 2016-10-08 CN CN201621101891.0U patent/CN206468937U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322006A (en) * | 2016-10-08 | 2017-01-11 | 杭州温格科技有限公司 | Pipe threaded connecting device |
| CN114108955A (en) * | 2021-11-26 | 2022-03-01 | 上海交通建设总承包有限公司 | Steel bar connection grouting sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170905 Effective date of abandoning: 20181012 |