CN218441191U

CN218441191U - Plug-in self-locking type gas pipeline connector

Info

Publication number: CN218441191U
Application number: CN202222654935.4U
Authority: CN
Inventors: 邬宗飞; 李图东; 吕川
Original assignee: Chengdu Kangtuo Xingye Technology Co ltd
Current assignee: Chengdu Kangtuo Xingye Technology Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-02-03
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a peg graft from locking-type gas pipeline connector, including the trachea plug, trachea socket and sealed pad, the trachea plug includes big footpath section of plug and the small footpath section of plug, the trachea socket includes big footpath section of socket and the small footpath section of socket, sealed pad is arranged in on the step between big footpath section of socket and the small footpath section of socket, the big footpath section of socket is arranged in to the small footpath section of plug, the tip and the sealed pad in close contact with of plug footpath section, be equipped with the plug recess on the circumference outer wall of small footpath section of plug, be equipped with the socket recess on the circumference outer wall of big footpath section of socket, the tank bottom of socket recess is equipped with the toper through-hole, install a ball in each toper through-hole, install arc spring leaf in the socket recess. The utility model discloses do not need the rotation can accomplish fast and install and remove, easy operation is convenient, and can not seal up because of rotatory wearing and tearing, has improved the life that seals up, and simultaneously, the ball is pushed down to the elasticity of arc spring leaf realizes self-locking function, uses in general vibration environment and can not loosen.

Description

Plug-in self-locking type gas pipeline connector

Technical Field

The utility model relates to a gas line connector especially relates to a grafting that can install and remove fast is from locking-type gas line connector.

Background

A gas line connector is a mechanical connector for connecting gas lines, such as an oxygen management connector that is often used in oxygen generation, supply, and absorption systems. The common gas pipeline connector is in a threaded connection structure or a buckle connection structure, a sealing gasket is additionally arranged on the connection end face, the tight connection function is realized by the aid of threads or buckles, and the sealing function is realized by the aid of the sealing gasket.

The above conventional gas line connector has drawbacks in that: the threaded connection structure and most of the buckle connection structures need to rotate to realize the connection and disassembly functions, which is not only troublesome, but also can abrade the sealing gasket in the rotating process to reduce the service life of the sealing gasket, and meanwhile, the connection structure is difficult to realize the self-locking function and is easy to loosen or even disconnect when used in a vibration environment; part buckle connection structure can direct plug and have self-locking function, but its elastic component generally is the cylinder, needs manual pressure elastic component to make it compressed and just can accomplish when dismantling, and the operation is very difficult.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve the above problems and provide a self-locking gas line connector with easy assembly and disassembly and self-locking function.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a peg graft from locking-type gas pipe connector, includes pipy trachea plug, pipy trachea socket and annular sealed pad, the trachea plug includes big footpath section of plug and plug path section, the external diameter of big footpath section of plug is greater than the external diameter of plug path section and both internal diameters are the same, the trachea socket includes socket big footpath section and socket path section, the internal diameter of socket big footpath section is greater than the internal diameter of socket path section, sealed pad is arranged in socket big footpath section with on the step between the socket path section, the plug path section is arranged in the socket big footpath section, the tip of plug path section with sealed pad in close contact with, be equipped with annular and closed-loop plug groove on the circumference outer wall of plug path section, be equipped with annular and open-loop socket groove on the circumference outer wall of socket big footpath section, the central angle of socket groove place circular arc is greater than 270 and is less than 350, the tank bottom of socket groove is equipped with one or more radial toper through-hole along the circumferencial direction, the outer end aperture of toper through-hole is greater than inner aperture, each install a ball aperture in the toper through-hole the socket groove is less than the same with the arc groove inner diameter of socket groove and the spring leaf, the spring leaf is less than 270 and the same spring leaf in the socket groove inner diameter of socket groove, the groove is less than the spring leaf, the spring leaf is less than the spring leaf.

Preferably, in order to provide a better limiting function for the air pipe plug when the ball part is arranged in the plug groove, the width of the notch of the plug groove is larger than that of the groove bottom.

Preferably, in order to enable the small-diameter section of the plug to be inserted into the large-diameter section of the socket more smoothly and to enable the ball to be squeezed more smoothly to move outwards, a conical surface is arranged on the surface of the outer circumferential wall of the small-diameter section of the plug between the groove of the plug and the end portion, one end of the conical surface close to the end portion is a small-diameter end, the surface of the outer circumferential wall of the small-diameter section of the plug between the conical surface and the end portion is a cylindrical surface, and the position on the cylindrical surface corresponding to the end portion is an arc surface.

Preferably, in order to further improve the sealing effect, a sealing groove is arranged on the circumferential inner wall of the large-diameter section of the socket and in a position corresponding to the cylindrical surface, and a sealing ring is installed in the sealing groove.

Preferably, in order to provide better adaptability and aesthetic appearance to the connector, the inner diameter of the socket small-diameter section is the same as the inner diameter of the plug small-diameter section, and the outer diameter of the plug large-diameter section is the same as the outer diameter of the socket large-diameter section and is larger than the outer diameter of the socket small-diameter section.

The beneficial effects of the utility model reside in that:

the utility model discloses a set up the plug recess on the circumference outer wall of plug path section, set up socket groove on the circumference outer wall of socket path section, set up the toper through-hole at socket groove's tank bottom, install the ball in the toper through-hole, install the arc spring leaf in socket groove, utilize the elasticity of arc spring leaf to push down the ball to the inboard, when plug path section inserts in the socket path section, the tip extrusion ball of plug path section makes its pressure of overcoming the arc spring leaf outwards remove, the ball just corresponds with the plug recess when will sealing up the pad and compress tightly, the ball gets into in the plug recess under the effect of arc spring leaf, realize reliably connecting between trachea plug and the trachea socket, both can not be at axial relative movement, only need vigorously pull out the trachea plug outward during dismantlement, the elasticity that the arc spring leaf was overcome to the extrusion ball outwards remove, can pull out the trachea plug, realize not needing the purpose that the rotation can be accomplished fast, easy operation is convenient, and can not seal up the pad because of rotatory wearing and tearing, the life of the sealing pad has been improved, and the while, curved elasticity of spring leaf realizes the auto-lock function, can not loosen in general vibration environment.

Drawings

Fig. 1 is a schematic sectional view of the front view of the plugging self-locking gas pipeline connector of the present invention;

fig. 2 is a schematic sectional view of the air pipe plug of the plugging self-locking type air pipe connector according to the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the air tube socket, the arc spring piece and the ball of the plug-in self-locking type air tube connector of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-3, the plug-in self-locking gas pipe connector of the present invention comprises a tubular gas pipe plug 1, a tubular gas pipe socket 2 and an annular sealing gasket 6, wherein the gas pipe plug 1 comprises a plug large diameter section 10 and a plug small diameter section 13, the outer diameter of the plug large diameter section 10 is larger than the outer diameter of the plug small diameter section 13, and the inner diameters of the plug large diameter section 10 and the plug small diameter section 13, i.e. the aperture of the central through hole 11, are the same, i.e. the central through hole of the plug large diameter section 10 and the central through hole of the plug small diameter section 13 are communicated to form the same central through hole 11, the gas pipe socket 2 comprises a socket large diameter section 20 and a socket small diameter section 24, the inner diameter of the socket large diameter section 20, i.e. the aperture of the central through hole 26 of the socket large diameter section 20, is larger than the inner diameter of the socket small diameter section 24, i.e. the aperture of the central through hole 25 of the socket small diameter section 24, the sealing gasket 6 is arranged on the step between the socket large diameter section 20 and the socket small diameter section 24, the plug small-diameter section 13 is arranged in the socket large-diameter section 20, the end portion of the plug small-diameter section 13 is in close contact with the sealing gasket 6, an annular and closed-loop plug groove 14 is formed in the outer wall of the circumference of the plug small-diameter section 13, an annular and open-loop socket groove 23 is formed in the outer wall of the circumference of the socket large-diameter section 20, the central angle of an arc where the socket groove 23 is located is larger than 270 degrees and smaller than 350 degrees, one or more radial tapered through holes 22 are formed in the bottom of the socket groove 23 in the circumferential direction, the outer end aperture of each tapered through hole 22 is larger than the inner end aperture, a ball 4 is mounted in each tapered through hole 22, the inner end aperture of each tapered through hole 22 is smaller than the diameter of the ball 4 and is the same as the width of a notch of the plug groove 14, an arc-shaped spring piece 5 is mounted in the socket groove 23, and the central angle of the arc-shaped spring piece 5 is larger than 270 degrees and smaller than 350 degrees.

Preferably, the width of the slot opening of the plug recess 14 is greater than the width of the slot bottom; a conical surface 15 is arranged on the circumferential outer wall surface of the plug small-diameter section 13 and positioned between the plug groove 14 and the end part, one end of the conical surface 15 close to the end part is a small-diameter end, the position on the circumferential outer wall surface of the plug small-diameter section 13 and positioned between the conical surface 15 and the end part is a cylindrical surface, and the position on the cylindrical surface corresponding to the end part is an arc surface 16; a sealing groove 21 is formed in the position, corresponding to the cylindrical surface, on the circumferential inner wall of the large-diameter section 20 of the socket, and a sealing ring 3 is installed in the sealing groove 21; the inner diameter of the socket small-diameter section 24 is the same as the inner diameter of the plug small-diameter section 13, and the outer diameter of the plug large-diameter section 10 is the same as the outer diameter of the socket large-diameter section 20 and is larger than the outer diameter of the socket small-diameter section 24.

As shown in fig. 1-3, when in use, the tracheal plug 1 and the tracheal socket 2 are respectively connected with other gas pipelines or gas equipment, when in connection, the small diameter section 13 of the plug is inserted into the large diameter section 20 of the socket, the end part of the small diameter section 13 of the plug extrudes the ball 4 to enable the ball 4 to overcome the pressure of the arc-shaped spring piece 5 to move outwards until the ball 4 just corresponds to the plug groove 14 when the small diameter section 13 of the plug compresses the sealing gasket 6, the ball 4 enters the plug groove 14 under the action of the arc-shaped spring piece 5, the tracheal plug 1 and the tracheal socket 2 are reliably connected, and the tracheal plug 1 and the tracheal socket 2 cannot move relatively in the axial direction; when dismantling, widely pull out trachea plug 1 to the direction of keeping away from trachea socket 2, extrusion ball 4 overcomes the outside removal of elasticity of arc spring leaf 5, can extract trachea plug 1, realize not needing the rotation can accomplish the purpose of installing and removing fast, easy operation is convenient, and can not seal up 6 because of the rotatory wearing and tearing, the life of sealed pad 6 has been improved, and simultaneously, ball 4 realization self-locking function is pushed down to the elasticity of arc spring leaf 5, use in general vibration environment can not loosen.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.

Claims

1. The utility model provides a peg graft from locking-type gas pipe connector, includes pipy trachea plug, pipy trachea socket and annular sealed pad, the trachea plug includes plug major diameter section and plug path section, the external diameter of plug major diameter section is greater than the external diameter of plug path section and both internal diameters are the same, the trachea socket includes socket major diameter section and socket path section, the internal diameter of socket major diameter section is greater than the internal diameter of socket path section, sealed pad is arranged in socket major diameter section with on the step between the socket path section, plug path section is arranged in the socket major diameter section, the tip of plug path section with sealed pad in close contact with its characterized in that: be equipped with annular and closed loop's plug recess on the circumference outer wall of plug path section, be equipped with annular and open-loop socket recess on the circumference outer wall of socket path section, the central angle of socket recess place circular arc is greater than 270 and is less than 350, the tank bottom of socket recess is equipped with one or more radial tapered through-hole along the circumferencial direction, tapered through-hole's outer end aperture is greater than inner aperture, each install a ball in the tapered through-hole, tapered through-hole's inner aperture is less than the diameter of ball and with the notch width of plug recess is the same, install the arc spring leaf in the socket recess, the central angle of arc spring leaf is greater than 270 and is less than 350.

2. The plug-in self-locking gas line connector of claim 1, wherein: the width of the notch of the plug groove is larger than that of the groove bottom.

3. The plug-in self-locking gas line connector according to claim 1 or 2, wherein: the plug is characterized in that a conical surface is arranged on the surface of the circumferential outer wall of the small-diameter section of the plug and positioned between the plug groove and the end part, one end of the conical surface close to the end part is a small-diameter end, the surface of the circumferential outer wall of the small-diameter section of the plug and positioned between the conical surface and the end part is a cylindrical surface, and the position of the cylindrical surface, corresponding to the end part, is an arc surface.

4. The plug-in self-locking gas line connector of claim 3, wherein: and a sealing groove is arranged on the circumferential inner wall of the large-diameter section of the socket and corresponds to the cylindrical surface, and a sealing ring is arranged in the sealing groove.

5. The plug-in self-locking gas line connector according to claim 1 or 2, wherein: the inner diameter of the socket small-diameter section is the same as that of the plug small-diameter section, and the outer diameter of the plug large-diameter section is the same as that of the socket large-diameter section and larger than that of the socket small-diameter section.