CN207762418U

CN207762418U - A kind of twist joint

Info

Publication number: CN207762418U
Application number: CN201820036722.6U
Authority: CN
Inventors: 胡岳
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-01-09
Filing date: 2018-01-09
Publication date: 2018-08-24
Anticipated expiration: 2028-01-09

Abstract

The utility model is related to a kind of twist joint, including shell and baffle, there is the shell lateral plug and longitudinal socket, the transverse direction plug to have lateral conduction hole, longitudinal jack is formed on the longitudinal direction socket；Axial diversion hole is offered on the baffle, and offer annular slotted on the periphery wall of the baffle, by intermediate position, it is connected to by the radial through-hole formation being opened on baffle between the annular slotted and the axial diversion hole, the baffle is adapted to longitudinal jack, and the lateral conduction hole is correspondingly arranged with annular slotted formation.The twist joint of the utility model flows out the gas or liquid medium that are come by lateral conduction hole via annular slotted, radial through-hole and axial diversion hole successively, in the process since the annular slotted being arranged on baffle is as one of guiding flow of media channel, great decompression cushioning effect is carried out to the medium to be come by lateral conduction hole so that velocity of medium is more uniformly gentle.

Description

A kind of twist joint

Technical field

The utility model is related to Pneumatic hydraulic fields, and in particular to a kind of for connecting between pneumatic or Hydraulic Elements Twist joint.

Background technology

Twist joint is a kind of quick coupling being mainly used for air line, pneumatic tool, application range and its extensively, especially In pneumatic element, twist joint acts as the effect of connection and medium water conservancy diversion for it, however in the prior art, structure is often One stainless steel bolt for offering axial diversion hole and radial through-hole connects with swivel nut of the unification with ferrule fitting from cutting ferrule The medium that head comes is flowed out via radial through-hole and axial diversion hole, and there is prodigious defects for the twist joint of this structure：No Rust steel bolt will produce loosening under the long timeliness brute force attack of medium, so that the sealing of stainless steel bolt and swivel nut cooperation Performance is insufficient, structural instability, seriously affects the stability and service life of equipment operation.

Invention content

The purpose of the utility model is to overcome the defect of the prior art, provide it is a kind of it is simple and reliable for structure, novel in design, The twist joint of favorable sealing property.

To achieve the above object, the utility model uses a kind of twist joint, including shell and baffle, the shell to have Lateral plug and longitudinal socket, the transverse direction plug have lateral conduction hole, longitudinal jack are formed on the longitudinal direction socket；It is described Axial diversion hole is offered on baffle, and offers annular slotted on the periphery wall of the baffle, by intermediate position, It is connected to by the radial through-hole formation being opened on baffle between the annular slotted and the axial diversion hole, and described Lateral conduction hole is correspondingly arranged with annular slotted formation；Obviously, it is preferred that the shell and baffle of the utility model are adopted It is made of stainless steel.

By to the improvement of the above-mentioned technical proposal of the prior art, due to twist joint by the gas to be come by lateral conduction hole or Person's liquid medium is flowed out via annular slotted, radial through-hole and axial diversion hole successively, in the drainage process, due to baffle The annular slotted of upper setting carries out the medium to be come by lateral conduction hole as one of guiding flow of media channel Greatly decompression cushioning effect so that velocity of medium is more uniformly gentle, and Jie that baffle is born also is reduced from source Matter impact force so that the overall structure and performance of twist joint are more reliable and more stable.

As the further setting of the utility model, the both sides up and down on the baffle, in the annular slotted are divided Not Xing Cheng first annular step and the second ring-shaped step, the periphery wall of the first annular step and the second ring-shaped step is respectively extremely It is provided with an annular seal groove for sealing ring to be arranged less；Preferably, the first annular step and the second annular table Sealing ring there are two being respectively set on rank, to achieve the effect that the both sides up and down of annular slotted are respectively formed double containment, based on more Effectively the considerations of lift-off seal stability, on the sealing ring and the second ring-shaped step in the utility model in first annular step Sealing ring formed using the cross central line of annular slotted as the symmetrical structure of symmetrical centre.

As the further setting of the utility model, the top of the first annular step forms bolt head, the spiral shell It is provided with protective pad between bolt head and the upper surface of longitudinal socket, which can effectively play anti-screw thread and fall off, prevent Vibrations and dust-proof effect, it is ensured that the durability and stability of twist joint.

It is the structural stability for preferably ensuring twist joint as the further setting of the utility model, described second The groove for clip to be arranged is offered on ring-shaped step, close to the lower face position of longitudinal socket, it in the present invention, should Clip is heat-treating profiled, and is made with stainless steel.

As the further setting of the utility model, the lower section of second ring-shaped step has the spiral shell extended axially downward Line portion has excellent sealing performance, the threaded portion and institute to make to be connected between the external tube of threaded portion and threaded portion Profiled seal slot of the position formation of the second ring-shaped step intersection for sealing ring to be arranged is stated, specifically, the profiled seal Slot has at least partly axial ring shaped axial deep gouge of indent and a radial annular groove of at least partially radial indent, and corresponding described the On second ring step, corresponding part forms radial abutting boss in radial directions with the ring shaped axial deep gouge, described The lower end of radial annular groove forms axial abutting boss, and the structure of above-mentioned specific profiled seal slot can be realized sealing ring effectively Be placed in after the profiled seal slot without falling off, in addition sealing ring need not be preserved, i.e., the profiled seal slot not with it is external Before pipe docking, play a part of storing sealing ring.

Description of the drawings

Fig. 1 is the structural schematic diagram of twist joint in the prior art.

Fig. 2 is the structural schematic diagram of the twist joint of embodiment 1 in the utility model.

Fig. 3 is the schematic diagram of baffle in Fig. 2.

Fig. 4 is the schematic diagram of Fig. 2 middle casings.

Fig. 5 is the enlarged diagram at A in Fig. 3.

Fig. 6 is the twist joint structural schematic diagram of embodiment 2 in the utility model.

Specific implementation mode

It is the structural representation of twist joint commonly used in the prior art as shown in Figure 1, finds out known to from the figure, the twist joint Including offering the stainless steel bolt 8 in axial diversion hole 20 and radial through-hole 22 with swivel nut of the unification with ferrule fitting 90 91, the medium to come from ferrule fitting 90 is directly flowed out via radial through-hole 22 and axial diversion hole 20, the hinge joint of this structure There is prodigious defects for head：Stainless steel bolt 8 will produce loosening under the long timeliness brute force attack of medium, so that stainless Steel bolt 8 and the sealing performance that swivel nut 91 coordinates are insufficient, structural instability, seriously affect the stability of equipment operation and use the longevity Life.

Embodiment 1：Shown in Fig. 2-Fig. 5, the twist joint that the present embodiment uses, Fig. 2 combinations Fig. 3 and Fig. 4 are shown, the twist joint Including shell 1 and baffle 2, there is the shell 1 lateral plug 10 and longitudinal socket 11, the transverse direction plug 10 to have laterally Conduction hole 100 forms longitudinal jack 110 on the longitudinal direction socket 11；Axial diversion hole 20 is offered on the baffle 2, and And annular slotted 21, the annular slotted 21 and the axial direction are offered on the periphery wall of the baffle 2, by intermediate position Connection, and the lateral conduction hole 100 and institute are formed by the radial through-hole 22 being opened on baffle 2 between deflector hole 20 The formation of annular slotted 21 is stated to be correspondingly arranged；Specifically, in the present embodiment, shell 1 and baffle 2 are all made of stainless steel system At.Those skilled in the art's Pass through above-mentioned technical proposal it will be apparent that, since twist joint will be come by lateral conduction hole 100 Gas or liquid medium are flowed out via annular slotted 21, radial through-hole 22 and axial diversion hole 20 successively, in the drainage process In, since the annular slotted 21 being arranged on baffle 2 is as one of guiding flow of media channel, to by lateral conduction hole 100 media to come have carried out great decompression cushioning effect so that velocity of medium is more uniformly gentle, is also reduced from source The media impingement power that baffle is born so that the overall structure and performance of twist joint be more reliable and more stable.

In the present embodiment, Fig. 2 combinations Fig. 3 is further displayed, on the baffle 2, in the annular slotted 21 Upper and lower both sides are respectively formed first annular step 23 and the second ring-shaped step 24, the first annular step 23 and the second annular table The periphery wall of rank 24 is respectively arranged with two annular seal grooves 250 for sealing ring 3 to be arranged；In the present embodiment, based on more having It is the considerations of lift-off seal stability of effect, close on the sealing ring 3 and the second ring-shaped step 24 in the first annular step 23 It is the symmetrical structure of symmetrical centre that seal 3, which is formed with the cross central line 210 of annular slotted 21,.

It in the present embodiment, is further displayed in Fig. 2, the top of the first annular step 23 forms bolt head 26, described It is provided with protective pad 4 between bolt head 26 and the upper surface of longitudinal socket 11, which can effectively play anti-screw thread It falls off, against shock and dust-proof effect, it is ensured that the durability and stability of twist joint.

It is preferably to ensure the structural stability of twist joint, on second ring-shaped step 24, close to vertical in the present embodiment The groove 240 for clip 5 to be arranged is offered to the lower face position of socket 11, the clip 5 is heat-treating profiled, and with stainless steel Material is made.

In the present embodiment, Fig. 2 and Fig. 3 are further displayed, and the lower section of second ring-shaped step 24, which has, axially downwardly prolongs The threaded portion 27 stretched has to make to be connected between the external tube (not shown in attached drawing) of threaded portion 27 and threaded portion 27 Excellent sealing performance, the position that the threaded portion 27 is intersected with second ring-shaped step 24 are formed for sealing ring 3 to be arranged Profiled seal slot 6, shown in conjunction with Fig. 5, it is therefore evident that, the profiled seal slot 6 has the annular of at least partly axial indent The radial annular groove 61 of axial deep gouge 60 and at least partially radial indent, on corresponding second ring-shaped step 24, with the ring Corresponding part forms radial abutting boss 241, the lower end of the radial direction annular groove 61 to shape axial direction deep gouge 60 in radial directions Axial abutting boss 270 is formed, the structure of above-mentioned specific profiled seal slot 6 can effectively realize that this is different by the merging of sealing ring 3 Without falling off after shape seal groove 6, need not to sealing ring 3 in addition preserve, i.e., the profiled seal slot 6 not with external tube pair Before connecing, play a part of storing sealing ring 3.

Fig. 6 is shown as the twist joint structural schematic diagram of embodiment 2, by comparison diagram 2 it is found that embodiment 2 and embodiment 1 The difference of twist joint essentially consists in and is provided with a lateral plug 10 more on shell, i.e., " the threeway twist joint " often claimed in industry, It follows that the structure that the utility model is protected can have multiple lateral plugs to coordinate, for example " four-way " " five is logical " twists Connector etc., it is clear that these variation be all by the utility model spirit it is foreseeable extend out, both fall within the utility model Protection domain.

Claims

1. a kind of twist joint, it is characterised in that：Including shell and baffle, the shell has lateral plug and longitudinal socket, The transverse direction plug has lateral conduction hole, and longitudinal jack is formed on the longitudinal direction socket；Axial direction is offered on the baffle Deflector hole, and annular slotted is offered on the periphery wall of the baffle, by intermediate position, the annular slotted with it is described Connection, and the lateral conduction hole and the ring are formed by the radial through-hole being opened on baffle between axial diversion hole Shape is slotted to be formed and is correspondingly arranged.

2. a kind of twist joint according to claim 1, it is characterised in that：On the baffle, it is in the annular slotted Both sides up and down be respectively formed first annular step and the second ring-shaped step, the first annular step and the second ring-shaped step Periphery wall is respectively provided at least an annular seal groove for sealing ring to be arranged.

3. a kind of twist joint according to claim 2, it is characterised in that：The top of the first annular step forms bolt Head is provided with protective pad between the bolt head and the upper surface of longitudinal socket.

4. a kind of twist joint according to claim 2 or 3, it is characterised in that：On second ring-shaped step, close to longitudinal The lower face position of socket offers the groove for clip to be arranged.

5. a kind of twist joint according to claim 2 or 3, it is characterised in that：The lower section of second ring-shaped step has The threaded portion extended axially downward, the position that the threaded portion is intersected with second ring-shaped step are formed for sealing ring to be arranged Profiled seal slot.

6. a kind of twist joint according to claim 4, it is characterised in that：The lower section of second ring-shaped step has axial The threaded portion extended downwardly, the position that the threaded portion is intersected with second ring-shaped step are formed for the different of sealing ring to be arranged Shape seal groove.

7. a kind of twist joint according to claim 5, it is characterised in that：The profiled seal slot has at least partly axial The ring shaped axial deep gouge of indent and the radial annular groove of at least partially radial indent, on corresponding second ring-shaped step and institute Stating ring shaped axial deep gouge, corresponding part forms radial abutting boss in radial directions, and the lower end of the radial direction annular groove is formed It is axial to abut boss.

8. a kind of twist joint according to claim 6, it is characterised in that：The profiled seal slot has at least partly axial The ring shaped axial deep gouge of indent and the radial annular groove of at least partially radial indent, on corresponding second ring-shaped step and institute Stating ring shaped axial deep gouge, corresponding part forms radial abutting boss in radial directions, and the lower end of the radial direction annular groove is formed It is axial to abut boss.