A kind of screwing type speed pipe connector
The present invention relates to pipe connector fields, more particularly to a kind of screwing type speed pipe connector.
In people's lives, need to use many pipe fittings, such as water pipe, tracheae and oil pipe, these pipe fittings make
With needing for pipe fitting to be connected in the process, structure is complicated for present pipe connector, and attended operation is cumbersome, generally requires
Professional operates, and installs the leakproofness not in place that just will affect pipe fitting connection, leaks.
Also having currently on the market can be with the screwing type pipe connector of quick locking, such as Patent No. 201721391571.8
Entitled " rotation locking type quick coupling " patent of invention, be exactly to consolidate clamping element deformation using rotation locking handwheel
Determine pipe fitting, but there are two problems for this structure tool: (1), can band when pipe fitting is extracted outward after locking handwheel is unscrewed
Dynamic clamping element also moves axially, and is squeezed and deformed clamping element mutually with locking handwheel again, metal intermediate plate can not be successfully pipe fitting
Extraction, so when pipe fitting is extracted must with hand by clamping element toward being pushed forward, just metal clip piece can be made not clamp pipe
Part, operates more troublesome in this way, generally requires two hands and is operated, inconvenient to use；(2) gold on its clamping element inner sidewall
Belonging to intermediate plate is the main part integrated injection molding with clamping element, and since quantity is more, technique is sufficiently complex, and clout wave
Take bigger, is unfavorable for producing on a large scale.
So needing to improve existing pipe connector.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of screwing type speed pipe connector, clever structure can be with
Axial limit is carried out to dog collar is clamped, facilitates the plug of pipe fitting, and simple production process, process is few, is suitble to extensive raw
The technical solution adopted by the present invention to solve the technical problems is: a kind of screwing type speed pipe connector is provided,
Including connector body and locking swivel nut, the both ends of the connector body penetrate through and both ends are provided with external thread part, institute
Locking screw set is socketed on the outside of the external thread part stated, the inside of the locking swivel nut is axially provided with clamping dog collar, the folder
If tight dog collar is the connected ring structure surrounded in dry plate deformation piece one end, it is provided on the other end inner sidewall of the deformation piece
Metal intermediate plate, the outside of the described clamping dog collar at least provided with two retention beads, be provided on the external thread part with
The limiting slot that retention bead is engaged axially is provided with pressure ring between described one end of clamping dog collar and the end of connector body
And sealing ring, the locking swivel nut rotation axis make the inside deformation of the other end of deformation piece to clamping dog collar is squeezed when movement.
As a supplement to the technical solution of the present invention, it is located at interior spiral shell on the inner sidewall of the locking swivel nut
The side of line is provided with conus portion, and the conus portion squeezes the other end of deformation piece.
Further, if one end of dry plate deformation piece is connected by connection ring.
Further, the side of the connection ring is provided with opening portion.
Further, insertion is disposed with metal capel in the inner sidewall of the clamping dog collar, and each deformation piece is corresponding
Metal intermediate plate is connected with metal capel.
Further, the outer middle side part of the connector body is oppositely arranged two limit baffle rings, the limit side by side
Being arranged side by side on the end face of position baffle ring outwardly has several to lock groove, is provided with lock on the inner side end of the locking swivel nut
Tight protrusion, when locking swivel nut and being screwed to bottom, lock projection is embedded into any one locking groove.
Further, the retention bead is in hook-shaped.
The utility model has the advantages that the present invention relates to a kind of screwing type speed pipe connector, clever structure, using on clamping dog collar
Setting retention bead and being engaged with limiting slot makes the deformation that deformation piece can only be radial to prevent from clamping dog collar and move axially,
Clamping dog collar is set to will not influence the plug of pipe fitting；Metal intermediate plate is in one using the connection of metal capel, without installing metal one by one
Intermediate plate, and without the main body integrated injection molding with clamping dog collar, later period installation enormously simplifies processing technology, drops
Low cost is suitble to large-scale production, which has good versatility, not for different material replacement in pipe fitting
With the component of material.
Detailed description of the invention
Fig. 1 is assembling half-section diagram of the invention；
Fig. 2 is decomposition state schematic diagram of the invention；
Fig. 3 is a kind of structural upright schematic diagram of clamping dog collar of the invention；
Fig. 4 is a kind of structural upright schematic diagram of clamping dog collar of the invention；
Fig. 5 is a kind of half-sectional structure chart of installation of structure of clamping dog collar of the invention.
Diagram: 1, swivel nut is locked；2, dog collar is clamped；3, connector body；4, pressure ring；5, sealing ring；6, limit baffle ring；7,
Limiting slot；8, metal intermediate plate；9, retention bead；10, conus portion；11, deformation piece；12, connection ring；14, metal capel；15, outer
Threaded portion；16, lock projection；17, groove is locked.
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
As shown in Figs. 1-5, the technical solution adopted by the present invention to solve the technical problems is: it is quick to provide a kind of screwing type
Pipe connector, including connector body 3 and locking swivel nut 1, the both ends of the connector body 3 penetrate through and both ends are respectively provided with
There is external thread part 15, the outside of the external thread part 15 is socketed with locking screw set 1, and the inside of the locking swivel nut 1 is axial
It is provided with and clamps dog collar 2, if the clamping dog collar 2 is the connected ring structure surrounded in 11 one end of dry plate deformation piece, the deformation
Metal intermediate plate 8 is provided on the other end inner sidewall of piece 11, the outside of the clamping dog collar 2 is at least provided with two limit convexes
Play 9, be provided with the limiting slot 7 being engaged with retention bead 9 on the external thread part 15, one end of the clamping dog collar 2 with
Pressure ring 4 and sealing ring 5 are axially provided between the end of connector body 3, the locking swivel nut 1 squeezes when rotating axial movement
Pressure, which clamps dog collar 2, makes the inside deformation of the other end of deformation piece 11.
Side on the inner sidewall of the locking swivel nut 1 positioned at internal screw thread is provided with conus portion 10, the conus portion
The other end of 10 pairs of deformation pieces 11 squeezes.
If one end of dry plate deformation piece 11 is connected by connection ring 12, the side of the connection ring 12 is provided with opening
Portion facilitates the processing of deformation piece 11 to install.
Insertion is disposed with metal capel 14, the corresponding metal of each deformation piece 11 in the inner sidewall of the clamping dog collar 2
Intermediate plate 8 is connected with metal capel 14, and metal capel 14 and metal intermediate plate 8 are an entirety, and is not necessarily to integrated injection molding,
Installation procedure is simple.
The outer middle side part of the connector body 3 is oppositely arranged two limit baffle rings 6, the limit baffle ring 6 side by side
Being arranged side by side on end face outwardly has several to lock groove 17, is provided with locking on the inner side end of the locking swivel nut 1
Protrusion 16, when locking swivel nut 1 and being screwed to bottom, lock projection 16 is embedded into any one locking groove 17, the retention bead
9 in hook-shaped.
As a kind of embodiment of the invention, when in use, pipe fitting is inserted into the both ends of joint body 3, then
Rotation lock swivel nut 1 makes to lock the axial movement of swivel nut 1, and squeezes the one end for making to clamp dog collar 2 by conus portion 10 and shape occurs
Become, so that metal intermediate plate 8 is clamped pipe fitting, prevent it from moving axially, pressure ring 4 can be pushed down by simultaneously clamping on dog collar 2, and pipe fitting is from close
5 center of seal passes through, and plays the role of sealing.
When locking swivel nut 1 is screwed to bottom, lock projection 16 can be engaged with locking groove 17, play locking effect.
When needing to extract pipe fitting, it is only necessary to unscrew locking swivel nut 1, clamp dog collar 2 can open automatically, extract pipe fitting when
It waits since retention bead 9 and limiting slot 7 are engaged, move axially clamping dog collar 2 will not, so metal intermediate plate 8 will not be to pipe fitting
Extraction generate interference.
Structure of the invention is ingenious, can carry out axial limit to dog collar is clamped, facilitate the plug of pipe fitting, and produce work
Skill is simple, and process is few, is suitble to large-scale production.