CN218094758U

CN218094758U - Gas pipeline connector with uniform compression of sealing element and adjustable compression amount

Info

Publication number: CN218094758U
Application number: CN202222702652.2U
Authority: CN
Inventors: 吕川; 李图东; 邬宗飞; 唐靖
Original assignee: Chengdu Kangtuo Xingye Technology Co ltd
Current assignee: Chengdu Kangtuo Xingye Technology Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2022-12-20
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses an even and compression capacity adjustable gas line connector of sealing member compression, including pipy trachea plug, pipy trachea socket, annular sealing member and pipy lock sleeve, in the lock sleeve is arranged in to the link of trachea plug, be close to the position circular arc groove and the lead-in groove of its link tip on the outer wall of trachea plug, the circumference inner wall surface of lock sleeve is equipped with bellied leading-in post, leading-in post can be at lead-in inslot axial displacement and can be in the circular arc groove internal circumferential motion, be equipped with the internal thread on trachea socket's the link circumference inner wall, be equipped with the external screw thread section on the lock sleeve, the external screw thread section arrange in trachea socket's the link in and with trachea socket's internal connection. The utility model discloses only need rotatory lock sleeve, can realize compressing tightly or unclamping the function of sealing member, the sealing member obtains better protection because of can not receiving rotary friction, and the even compression promptly of pressure that the sealing member received is even, and the compression volume of sealing member compresses tightly the degree promptly and is convenient for adjust.

Description

Gas pipeline connector with uniform compression of sealing element and adjustable compression amount

Technical Field

The utility model relates to a gas line connector especially relates to a sealing member compression is even and compression capacity adjustable gas line connector.

Background

A gas line connector is a mechanical connector for connecting gas lines, such as oxygen management connectors commonly used in oxygen generation, oxygen supply, and oxygen inhalation systems. Common gas line connectors are threaded or buckled, sealing elements such as sealing gaskets or sealing rings are additionally arranged on the connecting end faces, tight connection functions are achieved through threads or set screws, and sealing functions are achieved through the sealing elements.

The above conventional gas line connector has drawbacks in that: the threaded connection structure can realize the connection and disassembly functions only by rotating, is troublesome, can abrade the sealing element in the rotating process, reduces the service life of the sealing element, and has low compression uniformity and difficult control of compression amount; the fastening screw is arranged on the side wall of the air pipe in the fastening screw connection mode, the problem that the limited freedom degree is limited, and the joint is easy to loosen exists, and the surface of the air pipe is easy to scratch by the fastening screw.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solve the above problems and to provide a gas line connector with a sealing member that is compressed uniformly and has an adjustable compression amount.

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

the utility model provides an even and compression adjustable gas pipe connector of sealing member compression, includes pipy trachea plug, pipy trachea socket and annular sealing member, the link of trachea plug is arranged in the link of trachea socket just the sealing member is arranged in the link terminal surface of trachea plug with between the corresponding surface of trachea socket, the even and adjustable gas pipe connector of compression of sealing member compression still includes pipy locking collar, the central through-hole aperture of the link tip of trachea plug is less than the central through-hole aperture of trachea plug, the link of trachea plug is arranged in the locking collar, the position that is close to its link tip on the outer wall of trachea plug is equipped with the circular arc groove of circumference, lie in on the outer wall of trachea plug its link terminal surface with position between the circular arc groove is equipped with axial guide groove, guide groove with circular arc groove switches on each other, the central through-hole aperture of locking collar slightly is greater than the link external diameter of trachea plug, the circumference inner wall surface of locking collar is equipped with bellied leading-in post, leading-in post can axial displacement in the guide groove and can be in the internal peripheral displacement of circular arc groove, be equipped with on the locking collar inner wall of socket, the link is close to one end of outer screw thread connection end and outer thread section of trachea is connected on the trachea plug.

Preferably, in order to facilitate the circumferential movement of the locking sleeve to be limited and facilitate the locking sleeve to be rotated by a tool, a section of outer wall close to the second end in the two ends on the locking sleeve is not provided with an external thread and protrudes towards the outer circumferential direction to form a convex ring, and the surface of the outer wall of the convex ring is provided with a plurality of planes.

As preferred, for the convenience of reliably installing the sealing member and ensuring that the air current is unobstructed, the circumference inner wall of trachea socket is equipped with bellied sealing ring near its internal thread position on the surface, be close to on the sealing ring one side surface of trachea plug is equipped with the sealing member mounting groove of indent, the central through hole of sealing ring runs through the middle part tank bottom of sealing member mounting groove, the sealing member is arranged in the sealing member mounting groove, the central line of the central through hole of sealing member the central through hole of sealing ring with the central line of the central through hole of the link tip of trachea plug coincides each other.

Preferably, in order to achieve a better sealing effect, the sealing member is a lip-shaped sealing ring and the maximum outer diameter portion of the lip-shaped sealing ring is disposed in the sealing member mounting groove, and the sealing member passes through the central through hole of the sealing ring and is in close contact with the wall of the central through hole of the sealing ring.

Preferably, in order to improve the connection stability between the tracheal plug and the locking sleeve and limit the rotation angle of the locking sleeve, two arc-shaped grooves are uniformly formed in the circumferential outer wall of the connecting end of the tracheal plug, the central angle corresponding to each arc-shaped groove is 150-175 degrees, two introduction grooves are formed and correspond to the two arc-shaped grooves respectively, each introduction groove is communicated with the middle of the corresponding arc-shaped groove, and two introduction columns are symmetrically arranged on the circumferential inner wall of the locking sleeve.

The beneficial effects of the utility model reside in that:

the utility model discloses an increase the lock sleeve, make to form between lock sleeve and the trachea plug can relative rotation in a circumferential direction, axial displacement's connection structure relatively can not, make and form threaded connection structure between lock sleeve and the trachea socket, only need rotatory lock sleeve during the use, can drive the trachea plug for the trachea socket at axial displacement, thereby realize compressing tightly or loosening the function of sealing member, the sealing member obtains better protection because of can not receiving the spin friction, and the even compression promptly of pressure that the sealing member received is even, the compression volume of sealing member is compression elasticity promptly and is convenient for adjust, can avoid damaging the sealing member because of pressure is too big when realizing reliable sealed, the damage of traditional holding screw to trachea surface has been avoided simultaneously.

Drawings

Fig. 1 is a schematic sectional view of the assembled gas line connector with uniform compression and adjustable compression amount of the sealing member according to the present invention;

fig. 2 is a schematic sectional view of the sealing member of the present invention, showing a gas pipe plug of the gas pipe connector with uniform compression and adjustable compression amount;

fig. 3 is a schematic perspective view of a gas pipe plug of a gas pipe connector with a sealing member compressed uniformly and with an adjustable compression amount according to the present invention;

fig. 4 is a schematic sectional view of the locking sleeve of the gas line connector with uniform compression and adjustable compression amount of the sealing member according to the present invention;

fig. 5 is a schematic perspective view of the locking sleeve of the gas line connector with uniform compression and adjustable compression amount of the sealing member according to the present invention;

fig. 6 is a schematic sectional view of the sealing member of the gas line connector with uniform compression and adjustable compression amount according to the present invention;

fig. 7 is a schematic sectional view of the sealing member of the present invention, which is compressed uniformly and the amount of compression is adjustable.

Detailed Description

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

as shown in figures 1-7, the gas pipe connector with uniform compression and adjustable compression amount of the sealing element of the present invention comprises a tubular gas pipe plug 1, a tubular gas pipe socket 4, an annular sealing element 3 and a tubular locking sleeve 2, wherein the connecting end of the gas pipe plug 1 is arranged in the connecting end of the gas pipe socket 4 and the sealing element 3 is arranged between the connecting end face of the gas pipe plug 1 and the corresponding surface of the gas pipe socket 4, the aperture of the central through hole 12 of the connecting end 11 of the gas pipe plug 1 is smaller than the aperture of the central through hole 10 of the gas pipe plug 1, the connecting end of the gas pipe plug 1 is arranged in the locking sleeve 2, a circumferential arc groove 13 is arranged on the outer wall of the gas pipe plug 1 near the connecting end 11, an axial lead-in groove 14 is formed in the outer wall of the trachea plug 1 and located between the end face of the connecting end of the trachea plug and the arc-shaped groove 13, the lead-in groove 14 is communicated with the arc-shaped groove 13, the aperture of a central through hole 23 of the locking sleeve 2 is slightly larger than the outer diameter of the connecting end of the trachea plug 1, a convex lead-in column 22 is arranged on the surface of the circumferential inner wall of the locking sleeve 2, the lead-in column 22 can move axially in the lead-in groove 14 and can move axially in the arc-shaped groove 13, internal threads are formed in the circumferential inner wall of the connecting end of the trachea socket 4, external threads are formed in one section of outer wall, close to the first end of the two ends, of the locking sleeve 2, to form an external thread section 21, and the external thread section 21 is arranged in the connecting end of the trachea socket 4 and is connected with the internal threads of the trachea socket 4.

As shown in fig. 1-7, the present invention also discloses the following various more optimized specific structures:

in order to facilitate the circumferential movement of the locking sleeve 2 to be limited and to facilitate the rotation of the locking sleeve 2 by a tool, one section of outer wall of the locking sleeve 2 close to the second end in the two ends does not have external threads and protrudes towards the outer circumferential direction to form a convex ring 20, and the outer wall surface of the convex ring 20 is provided with a plurality of planes (six planes in the figure, which are convenient to be matched with an inner hexagonal wrench).

In order to facilitate reliable installation of the sealing element 3 and ensure smooth air flow, a raised sealing ring 40 is arranged on the circumferential inner wall surface of the trachea socket 4 close to the inner thread thereof, an inwards concave sealing element installation groove 41 is arranged on one side surface of the sealing ring 40 close to the trachea plug 1, a central through hole 43 of the sealing ring 40 penetrates through the middle groove bottom of the sealing element installation groove 41, the sealing element 3 is arranged in the sealing element installation groove 41, and the central line of the central through hole 30 of the sealing element 3, the central line of the central through hole 43 of the sealing ring 40 and the central line of the central through hole 12 of the connecting end part 11 of the trachea plug 1 are superposed with each other.

In order to achieve a better sealing effect, the sealing member 3 is a lip seal and the maximum outer diameter portion of the lip seal is placed in the sealing member installation groove 41, and the sealing member 3 passes through the central through hole 43 of the sealing ring 40 and is in close contact with the hole wall of the central through hole 43 of the sealing ring 40.

In order to improve the connection stability between the tracheal plug 1 and the locking sleeve 2 and limit the rotation angle of the locking sleeve 2, two arc-shaped grooves 13 are uniformly arranged on the circumferential outer wall of the connecting end of the tracheal plug 1, the central angle corresponding to each arc-shaped groove 13 is 150-175 degrees, two lead-in grooves 14 are respectively corresponding to the two arc-shaped grooves 13, each lead-in groove 14 is communicated and connected with the middle part of the corresponding arc-shaped groove 13, and two lead-in columns 22 are symmetrically arranged on the circumferential inner wall of the locking sleeve 2.

As shown in fig. 1-7, when in use, the maximum outer diameter part of the sealing element 3 is firstly placed in the sealing element mounting groove 41, and the other part of the sealing element 3 passes through the central through hole 43 of the sealing ring 40, then the external thread section 21 of the locking sleeve 2 is placed in the connecting end inner cavity 42 of the trachea socket 4 (the inner cavity takes the side surface of the sealing ring 40 close to the locking sleeve 2 as the bottom surface of the inner cavity), and is connected with the internal thread of the trachea socket 4, firstly, the trachea plug 1 is not screwed too much, then the connecting end of the trachea plug 1 is inserted into the central through hole 23 of the locking sleeve 2, meanwhile, the two leading-in grooves 14 are aligned to the two leading-in columns 22, after the two leading-in columns 22 enter the two circular arc-shaped grooves 13 through the two leading-in grooves 14, the trachea plug 1 stops being inserted, at the moment, the connecting end 11 of the trachea plug 1 is in contact with the sealing element 3, the contact pressure is determined according to the application requirement, the depth of screwing the locking sleeve 2 into the trachea socket 4 is changed, then, according to the compression degree required by the actual application, the locking sleeve 2 is rotated, at the moment, the two leading-in columns 22 are respectively in the two inner circumference grooves 13, the locking sleeve 2 drives the connecting end of the trachea plug 1 to move, and finally, the sealing element to compress the sealing element to realize the application requirement of the sealing element 3, and the application purpose of the sealing element 3 is realized; the reverse operation is only needed when the device is disassembled. In the whole process, the air pipe plug 1 only has axial relative movement relative to the air pipe socket 4, so the sealing piece 3 can not receive rotary friction, the compression force that the sealing piece 3 received is even, the sealing effect is good, the compression degree is suitable, the damage to the sealing effect is avoided, and the service life is prolonged.

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 sealing member compression is even and compression volume adjustable gas line connector, includes pipy trachea plug, pipy trachea socket and annular sealing member, the link of trachea plug is arranged in the link of trachea socket and the sealing member is arranged in the link terminal surface of trachea plug with between the corresponding surface of trachea socket, its characterized in that: the gas pipeline connector with the sealing element compressed uniformly and the compression amount adjustable further comprises a tubular locking sleeve, the aperture of a central through hole at the end part of the connecting end of the gas pipe plug is smaller than that of the central through hole of the gas pipe plug, the connecting end of the gas pipe plug is arranged in the locking sleeve, a circumferential arc-shaped groove is formed in the outer wall of the gas pipe plug, an axial lead-in groove is formed in the position between the end face of the connecting end of the outer wall of the gas pipe plug and the arc-shaped groove, the lead-in groove is communicated with the arc-shaped groove, the aperture of the central through hole of the locking sleeve is slightly larger than the outer diameter of the connecting end of the gas pipe plug, a convex lead-in column is arranged on the surface of the inner circumferential wall of the locking sleeve, the lead-in column can axially move in the lead-in groove and can move in the inner circumferential direction of the arc-shaped groove, an inner thread is arranged on the inner circumferential wall of the connecting end of the gas pipe socket, an outer thread section, which is arranged on the locking sleeve and is close to the first end at two ends, forms an outer thread section, and the outer thread section is arranged in the connecting end of the gas pipe socket and is connected with the inner thread of the gas pipe socket.

2. The gas line connector with uniform and adjustable seal compression of claim 1, wherein: a section of outer wall on the locking sleeve, which is close to the second end of the two ends, is not provided with external threads and protrudes towards the outer circumferential direction to form a convex ring, and the surface of the outer wall of the convex ring is provided with a plurality of planes.

3. The gas line connector with uniform and adjustable seal compression of claim 1 or 2, wherein: the circumference inner wall of trachea socket is close to its internal thread position on the surface and is equipped with bellied sealing ring, be close to on the sealing ring one side surface of trachea plug is equipped with the sealing member mounting groove of indent, the central through-hole of sealing ring runs through the middle part tank bottom of sealing member mounting groove, the sealing member is arranged in the sealing member mounting groove, the central line of the central through-hole of sealing member the central through-hole the central line of the connecting end tip of sealing ring with the central line of the central through-hole of trachea plug coincides each other.

4. The gas line connector with uniform and adjustable seal compression of claim 3, wherein: the sealing element is a lip-shaped sealing ring, the maximum outer diameter part of the lip-shaped sealing ring is arranged in the sealing element mounting groove, and the sealing element penetrates through the central through hole of the sealing ring and is in close contact with the hole wall of the central through hole of the sealing ring.

5. The gas line connector with uniform and adjustable seal compression of claim 1 or 2, wherein: the two arc-shaped grooves are uniformly arranged on the outer circumferential wall of the connecting end of the tracheal plug, the central angle corresponding to each arc-shaped groove is 150-175 degrees, the two lead-in grooves respectively correspond to the two arc-shaped grooves, each lead-in groove is communicated and connected with the middle of the corresponding arc-shaped groove, and the two lead-in columns are symmetrically arranged on the inner circumferential wall of the locking sleeve.