CN209084243U

CN209084243U - A kind of pipe fitting plugs together bayonet connection

Info

Publication number: CN209084243U
Application number: CN201821629097.2U
Authority: CN
Inventors: 陈清龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-08
Filing date: 2018-10-08
Publication date: 2019-07-09
Anticipated expiration: 2028-10-08

Abstract

The utility model discloses a kind of bayonet connections that plugs together of pipe fitting, including shell, it is characterised in that: the pipe fitting insert port that the shell has cavity, is connected to cavity；The lock piece with hollow hole to insertion tube locking is equipped in the cavity, the lock piece is equipped with through hollow hole and the intracorporal sliding shoe of housing chamber, and the sliding shoe can be slided with respect to lock piece；The cavity inner wall is equipped with to the inclined annular slope in insert port direction, and adaptation is equipped with the limit sliding groove slided for sliding shoe on the inclined-plane；The utility model structure is simple, and device is convenient, and production cost is low, and can not make its rotation to insertion tube limitation.

Description

A kind of pipe fitting plugs together bayonet connection

Technical field

The utility model relates to pipe connecting components, more particularly to plug together self-lock connecting piece.

Background technique

It plugs together self-locking: by the pipe fitting insertion connector of connection, being fastened on pipe fitting using the lockable mechanism in connector Inside simultaneously connects affixed；At present it is commonplace use plug together self-locking circlip type connector, i.e., directed connection is set in connector The elastic piece that part inner chamber body extends downwardly, the elastic piece are to tilt down, and are squeezed when pipe fitting is inserted into connector and to elastic piece It presses and passes through, at this point, elastic piece has the resistance externally extracted with respect to pipe fitting, when pipe fitting is extracted outward in order to preferably block Firmly effect；Patentee has applied plugging together connector before, and lock piece is equipped in the connector, and lock piece is equipped with ball, and Acted on by ball and the outer inclined-plane generation of connector shell and locking carried out to insertion tube, but either which kind of, work as insertion tube When being inserted into simultaneously locking, which still to change degree of blocking, and can slowly be pulled out with respect to lock piece rotation.

Utility model content

What the utility model provided a kind of pipe fitting plugs together bayonet connection, provides that a kind of structure is simple, new locking knot Structure replaces locking structure in the prior art.

Its specific technical solution is as follows:

A kind of pipe fitting plugs together bayonet connection, including shell, it is characterised in that: the shell has cavity and chamber The pipe fitting insert port of body connection；The lock piece with hollow hole to insertion tube locking, the lock are equipped in the cavity Stop member is equipped with through hollow hole and the intracorporal sliding shoe of housing chamber, and the sliding shoe can be slided with respect to lock piece；It is described Cavity inner wall be equipped with to the inclined annular slope in insert port direction, adaptation is equipped with the limit slided for sliding shoe on the inclined-plane Sliding groove.

One preferable feature: the limit sliding groove includes a groove body bottom and groove body two sides, which is slope Face.

One preferable feature: the lock piece bottom is supported by elastic supporting member for supporting optical member, and the supporting element bottom surface passes through Sealing group resists.

One preferable feature: the elastic supporting member for supporting optical member is hollow ring supporting block, the outer edge of the hollow ring supporting block Portion's support that uniformly deformation of upward surface direction is arched upward is arched upward portion, which is used to support lock piece.

One preferable feature: the hollow ring supporting element is located at peripheral portion and is uniformly provided with multiple fractures, the fracture Portion one end is connected on supporting element, and one end is that free end and being folded up to form the support of lock piece and arches upward portion.

One preferable feature: the supporting block is spring, and the spring includes more elastic rings, the elastic ring of lower end Overall diameter is equal to adjacent upper end elastic ring interior diameter.

One preferable feature: the lock piece includes a circular column, and the Zhou Bi of the shape column lower end, which is equipped with, to be put Slot is set, which is respectively communicated in middle through-hole, shell cavity；Sliding shoe, the cunning are equipped in the placing groove The sliding of motion block opposed annular column.

One preferable feature: the sliding shoe is a ball

One preferable feature: the lock piece further includes the solution lock end extended to insert port, and the unlocking ports diameter is small In locking end and extended insert port.

It is compared with the prior art, the utility model has the effect that

1. cavity inclined-plane is equipped with the sliding groove that extends along the plane direction, which is ramp shaped, this programme just like Lower advantage: the direction that sliding shoe is also limited with sheet is arranged in sliding groove, it may also be said to and the sliding groove is a guide groove, with Prevent insertion tube from can rotate in a latched condition, to influence locking effect；The groove body two sides of the sliding groove are in ramp shaped, are done so Further row limits insertion tube rotation；Such as when insertion tube is rotated, a climbing process will do it, and climbing Cheng Shi, slope surface become smaller at a distance from pipe shaft, and such ball can squeeze insertion tube because of the extruding by slope body of going up a slope, ball To prevent insertion tube from rotating, in fact the adjacent cavity of the peripheral wall of lock piece inclined-plane setting, the distance between it is very small, only insert As soon as entering pipe slightly to rotate, ball squeezes lock piece, effectively avoids the rotational problems of insertion pipe fitting in this way.

2. the outer edge of supporting element arches upward from bottom to top, and forms the portion that arches upward, which is used to support lock piece, Its advantage: structure is simple, easy to make and outer edge arches upward from bottom to top keeps integral diameter slightly smaller, is placing the supporting element in this way When directly can fill in and inwardly squeeze from insert port inclination, finally enter on placement rack.

3. sealing ring to be directly arranged in the lower section of supporting element, while withstanding supporting element, and sealing function can be played； And see on the whole, sealing, supporting element, lock piece are located in same cavity, and such later period installation is simple, production cost It reduces.

4. the setting of placing groove, and more balls are placed in bar shaped, it is more obvious to locking effect.

Detailed description of the invention:

Fig. 1 is that the pipe fitting of the utility model plugs together bayonet connection diagrammatic cross-section；

Fig. 2 is that the pipe fitting of the utility model plugs together bayonet connection schematic cross-section

Fig. 3 is one of the structural schematic diagram of hollow support of the utility model；

Fig. 4 is one of the hollow support of the utility model

Fig. 5 is the structural schematic diagram that the utility model hollow support is spring

Fig. 6 is the lock piece structural schematic diagram of the utility model

Specific embodiment

Below by way of specific embodiment, the utility model will be further described.

Through-hole, shell insert port are all the premises being mutually adapted to insertion tube described in the utility model in vitro, in lock piece Under the conditions of carry out.

If attached drawing 1 is to shown in Fig. 6: the utility model specific embodiment, a kind of pipe fitting plugs together bayonet connection, including shell Body 1, the shell 1 include cavity 13 and the insert port 11 being inserted into for pipe fitting 2 being connected to cavity 13；In the cavity 13 Front end is equipped with the lock piece 3 that pipe fitting is inserted into and carries out locking to pipe fitting；The lock piece 3 is in the form of a column, and is equipped with and is worn for pipe fitting 2 The middle through-hole 33 crossed, the middle through-hole 33 are oppositely arranged with insert port 11；The 13 leading inside face of cavity be equipped with The cooperation of lock piece 3 is tilted with the annular inclined surface 12 to the progress locking of pipe fitting 2, the annular inclined surface 12 to 11 direction of insert port； Relative tilt face is equipped with the oriented slot 121 extended to 11 direction of insert port on the inclined surface 12；The lock piece It is equipped with sliding shoe 32, which is located in guide groove 121 movable；There are an annular support member 31, the support below lock piece Part 31 can be spring or others have elastic component, which supports lock piece 3 and make the sliding shoe 32 on lock piece 3 It is always positioned in annular 12 altitude range of inclined surface or guide groove 121；It further include one group of sealing ring 4, the sealing in the cavity 13 Circle 4 is located at the lower section of supporting element 31, and the upper top surface of the sealing ring 4 is supported in the lower bottom part of supporting element 31.

In one scheme: above-mentioned guide groove 121 is evenly arranged on inclined surface 12, and one by one with the sliding shoe on supporting element 32 is corresponding；

In one scheme: in arcuation, it includes a groove body bottom to the guide groove 121 and connection groove body bottom is for sliding The slope surface 122 of block sliding.

The locking principle of the design are as follows: when insertion tube 2 be inserted into shell cavity in 13 and enter lock piece 3 middle through-hole 33 Interior, sliding shoe 32 i.e. ball is pressed against by insertion tube pipe shaft, and guide groove direction is mobile, and at this moment the both ends of sliding shoe are supported respectively On insertion tube pipe shaft, 121 bottom of guide groove, when insertion tube will be extracted, necessarily lock piece is driven to rise, sliding shoe is to insertion Mouth direction is mobile, since guide groove 121 is tilted to insert port direction, so the opposite two guiding separation change on annular slope Small, it is bigger to insertion tube pipe shaft, the pressure for being oriented to trench bottom to slide dynamic both ends, when pressure to a certain extent when, insertion tube is locked Only and it can not extract；Due to the adjacent inclined design of the circumferential surface of lock piece, i.e., lock piece circumferential surface and inclined-plane is very small apart, when slotting After entering pipe insertion, sliding shoe both ends have been against insertion tube pipe shaft, have been oriented on trench bottom, therefore it is wink that insertion tube, which is extracted to locking, Between thing；, still can be with respect to lock piece or housing into rotation but after insertion tube is locked up, finally possible insertion tube gets rid of squeezing for sliding shoe Press and be detached from, the guide groove in the design in arcuation it include a groove body bottom and be connected to groove body bottom for sliding shoe slide Slope surface, in this way pipe fitting rotate when, sliding shoe go up a slope, two opposite sliding shoe spacing become smaller, to the pipe shaft pressure of insertion tube Become larger, be eventually until and insertion tube is prevented to rotate, effectively prevents insertion tube abjection.

In one scheme: above-mentioned sliding shoe both ends are put in respectively in hollow hole and shell cavity or two spacing of sliding shoe are big In the wall thickness of lock piece.

In one scheme: the middle through-hole 33 for being provided with pipe fitting and passing through that above-mentioned lock piece 3 includes outer wall 35, surrounded by outer wall； The lateral surface of the outer wall 35 of lock piece is close in the medial surface of shell cavity, the 35 lateral surface lower end water of lock piece outer wall Flat to be equipped with multiple sliding shoe placing grooves 34, which is connected to the middle through-hole 33 in lock piece, is placed on the sliding slot Sliding shoe 32, the sliding shoe 32 is more relatively thick for the thickness of lock piece outer wall, i.e. sliding shoe one end and outside Outer wall flushes, and the other end must be stretched out to middle through-hole 33；Preferably the sliding shoe is ball.

The gradient on the inclined-plane 12 of the utility model is preferably 5 degree to 15 degree.

The preferably peripheral portion of above-mentioned annular support member 31 support that uniformly upward surface direction deformation is arched upward is arched upward portion 311。

One preferred embodiment: the annular support member 31 is located at peripheral portion and is uniformly provided with multiple fractures, the fracture Portion one end is connected on supporting element, and one end is that free end and being folded up to form the support of lock piece and arches upward portion 311.

One compared with embodiment: the annular support member 31 is located at peripheral portion and uniformly turns up or jack up multiple convex from lower to upper The portion of rising；The lug boss is the above-mentioned portion 311 that arches upward.

One compared with embodiment: the annular support member 31 is a spring, which is arranged above and below group by multiple elastic rings 312 At in adjacent two elastic ring, the elastic ring interior diameter being located above is equal to or slightly greater than the outer straight of the elastic ring of lower section Diameter, in this way during spring-compressed, the elastic snare of top lower section elastic ring periphery and form a plane, rather than It is overlapped mutually to form a column, effect effectively controls spring heights, especially in an original space with regard to little shell cavity.

One compared with embodiment: the intracorporal annular inclined surface 12 of the chamber of the shell is set preferably adjacent to one end of insert port 11 It sets.

One compared with embodiment: the lock piece 3 column in a ring；It includes the locking of the solution lock end 36 of upper end, lower end End 37,36 bore of solution lock end are less than locking end 37 and can stretch out insert port 11, and 37 overall diameter of locking end is big In insert port bore, so that lock piece cannot be dropped out from insert port, the placing groove 34 is located at locking end.

In one scheme: above-mentioned sealing ring group 4 includes gasket, sealing ring, from top to bottom overlay order are as follows: washer, O shape Circle, washer, O-ring；Above-mentioned 31 lower end of supporting element offsets with washer, i.e., supporting element is located on washer on top surface.Sealing ring Group 4 can also by single sealing ring or multiple identical sealing rings or a sealing ring, move what circle formed.

It is also possible to a kind of pipe connecting component with multiple above-mentioned implementations in the present embodiment, i.e., as tube body threeway one Sample, i.e. a tube body have multiple connectors, which is above-mentioned Pipe connecting fitting.

It above are only a specific embodiment of the utility model, but the design concept of the utility model can be used for drawing and lead The effect of drawing is not limited thereto, all non-essential modifications to the present invention made by this concept, should belong to infringement originally The behavior of utility model protection range.

Claims

1. a kind of pipe fitting plugs together bayonet connection, including shell, it is characterised in that: the shell has cavity and cavity The pipe fitting insert port of connection；The lock piece with hollow hole to insertion tube locking, the locking are equipped in the cavity Part is equipped with through hollow hole and the intracorporal sliding shoe of housing chamber, and the sliding shoe can be slided with respect to lock piece；Described Cavity inner wall is equipped with to the inclined annular slope in insert port direction, and adaptation is equipped with limit cunning slide for sliding shoe on the inclined-plane Dynamic slot.

2. a kind of pipe fitting as described in claim 1 plugs together bayonet connection, it is characterised in that: the limit sliding groove packet A groove body bottom and groove body two sides are included, which is slope.

3. a kind of pipe fitting as described in claim 1 plugs together bayonet connection, it is characterised in that: the lock piece bottom is logical Elastic supporting member for supporting optical member support is crossed, the supporting element bottom surface is resisted by sealing group.

4. a kind of pipe fitting as claimed in claim 3 plugs together bayonet connection, it is characterised in that: the elastic supporting member for supporting optical member is Hollow ring supporting block, the support that uniformly upward surface direction deformation is arched upward of the peripheral portion of the hollow ring supporting block are arched upward Portion, the portion of arching upward are used to support lock piece.

5. a kind of pipe fitting as claimed in claim 3 plugs together bayonet connection, it is characterised in that: the elastic supporting member for supporting optical member is Hollow ring supporting block；The hollow ring supporting block is located at peripheral portion and is uniformly provided with multiple fractures, the fracture one End is connected on supporting element, and one end is that free end and being folded up to form the support of lock piece and arches upward portion.

6. a kind of pipe fitting as claimed in claim 3 plugs together bayonet connection, it is characterised in that: the elastic supporting member for supporting optical member is Spring, the spring include more elastic rings, and the elastic ring overall diameter of lower end is equal to adjacent upper end elastic ring interior diameter.

7. a kind of pipe fitting as described in claim 1 plugs together bayonet connection, it is characterised in that: the lock piece includes one The Zhou Bi of a circular column, the shape column lower end is equipped with placing groove, which is respectively communicated in middle through-hole, shell Cavity；Sliding shoe, the sliding shoe opposed annular column sliding are equipped in the placing groove.

8. a kind of pipe fitting as described in Claims 2 or 3 or 5 or 6 or 7 any one claims plugs together bayonet connection, Be characterized in that: the sliding shoe is a ball.

9. a kind of pipe fitting as claimed in claim 5 plugs together bayonet connection, it is characterised in that: the lock piece further includes The solution lock end extended to insert port, the unlocking ports diameter are less than locking end and extended insert port.