CN213576047U

CN213576047U - Plug-in type oil corrosion resistant gas pipe joint capable of preventing large-angle bending and gas leakage

Info

Publication number: CN213576047U
Application number: CN202021049334.5U
Authority: CN
Inventors: 叶华伟
Original assignee: Suzhou Biye Precision Machinery Co ltd
Current assignee: Suzhou Biye Precision Machinery Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-06-29
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a prevent resistant oily gas tube joint that loses of plug-in of wide-angle bending gas leakage, including the tube head main part, the chuck has been cup jointed in the one end slip of tube head main part inner chamber, and the one end of tube head main part outer wall is provided with the pressure cap, and the inside of tube head main part is provided with first sealing washer, and first sealing washer is located the chuck and presses between the cap, and the inner chamber of tube head main part is provided with the second sealing washer, and the second sealing washer is located the one end of chuck, and the tube head main part includes the connecting pipe, and the spout has been seted up at the middle part of. The utility model discloses utilize tube head main part, chuck and the cooperation of pressing the cap to use, when the pipeline was bent, the inside atmospheric pressure of tube head main part increased, chuck relative movement to the one end that makes the tube head main part expands, thereby is in fastening state with pressing the cap, thereby makes atmospheric pressure big more, and the pipeline main part is fastened more with pressing the cap, thereby reduces the probability of gas leakage, strengthens the security performance of pipe connection.

Description

Plug-in type oil corrosion resistant gas pipe joint capable of preventing large-angle bending and gas leakage

Technical Field

The utility model relates to a trachea joint field, in particular to prevent plug-in resistant oily gas erosion pipe joint of wide-angle bending gas leakage.

Background

The air pipe joint has a series of advantages of advanced structure, good performance, convenient use, no need of welding, no need of flaring a piping and the like, so the cutting ferrule type pipe joint is widely applied to hydraulic and pneumatic systems of various machines.

However, when the existing air pipe joint is used for connecting an air pipe, the air pipe is easy to bend, so that air is not circulated, the air pressure at the joint of the air pipe is increased, the air-valve leakage condition at the joint of the air pipe is caused, the resource is wasted, and safety accidents can be caused seriously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent resistant oily gas tube joint of plug-in of wide-angle bending gas leakage to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: prevent resistant oily gas pipe joint of plug-in of crooked gas leakage of wide-angle, including the tube head main part, the chuck has been cup jointed in the one end slip of tube head main part inner chamber, the one end of tube head main part outer wall is provided with presses the cap, the inside of tube head main part is provided with first sealing washer, first sealing washer is located the chuck and presses between the cap, the inner chamber of tube head main part is provided with the second sealing washer, the second sealing washer is located the one end of chuck.

Preferably, the tube head main part includes the connecting pipe, the spout has been seted up at the middle part in connecting pipe inner chamber, the fixed spacing lantern ring that has cup jointed in one side in connecting pipe inner chamber, the bearing groove has been seted up to one side in connecting pipe inner chamber, the external screw thread has been seted up to the one end of connecting pipe outer wall.

Preferably, the chuck includes the connection lantern ring, the fluting has been seted up to the outer wall equidistance of connection lantern ring, the one end of connection lantern ring is a plurality of sliders of annular array equidistance fixedly connected with, the outer wall of connection lantern ring is fixed to be cup jointed the position lantern ring.

Preferably, the outer wall of the sliding block is in sliding sleeve connection with the sliding groove, and one side of the positioning sleeve ring is attached to the limiting sleeve ring.

Preferably, the outer wall of the second sealing ring is in sliding sleeve connection with the bearing groove.

Preferably, the inner cavity of the pressure cap is fixedly sleeved with a positioning sleeve, the inner cavity of the positioning sleeve is slidably sleeved with the connecting pipe, an annular groove is formed in one side of the positioning sleeve, and the inner cavity of the groove is slidably sleeved with the connecting pipe.

The utility model discloses a technological effect and advantage:

(1) the utility model discloses utilize the cooperation of tube head main part, chuck and pressure cap to use, when the pipeline was bent, the inside atmospheric pressure of tube head main part increased, the chuck relative movement to make one end of tube head main part expand, thereby be in fastening state with pressing the cap, thereby make atmospheric pressure more big, the pipeline main part with press the cap fastening more, thereby reduce the probability of gas leakage, strengthen the security performance of pipeline connection;

(2) the utility model discloses utilize the mode that sets up of first sealing washer and second sealing washer, first sealing washer and second sealing washer can seal the chuck both ends to no matter the chuck removes in the pipeline main part, first sealing washer and second sealing washer can all seal its one end, thereby strengthen its sealing performance once more.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the front internal structure of the present invention.

Fig. 3 is a schematic view of the front internal structure of the tube head main body of the present invention.

Fig. 4 is a schematic view of the front internal structure of the chuck of the present invention.

Fig. 5 is a schematic view of the front internal structure of the pressing cap of the present invention.

In the figure: 1. a tube head main body; 11. a connecting pipe; 12. a chute; 13. a limiting lantern ring; 14. a bearing groove; 15. an external thread; 2. a chuck; 21. a connecting lantern ring; 22. grooving; 23. a slider; 24. a positioning collar; 3. pressing the cap; 31. a positioning sleeve; 32. a groove; 4. a first seal ring; 5. and a second seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a prevent plug-in resistant oily gas tube joint of wide-angle bending gas leakage as shown in fig. 1-5, including tube head main part 1, the one end of tube head main part 1 inner chamber slides and has cup jointed chuck 2, the one end of tube head main part 1 outer wall is provided with presses cap 3, the inside of tube head main part 1 is provided with first sealing washer 4, first sealing washer 4 is located chuck 2 and presses between cap 3, the inner chamber of tube head main part 1 is provided with second sealing washer 5, first sealing washer 4 and second sealing washer 5 can strengthen its sealing performance, second sealing washer 5 is located the one end of chuck 2, tube head main part 1, chuck 2 and pressure cap 3 are stainless steel, thereby can resist the soaking of gas or oil stain, strengthen its wait for life;

the tube head main body 1 comprises a connecting tube 11, a chute 12 is arranged in the middle of an inner cavity of the connecting tube 11, the chute 12 can limit the position of a sliding block 23, when a gas pipeline is in a non-air pressure state, a connecting sleeve ring 21 can deform so as to slide in the chute 12, when the pipeline has air pressure, the connecting sleeve ring 21 cannot deform so as to deform to a certain extent, so that the connecting tube 11 deforms to form extrusion with a pressing cap 3 so as to keep a stable state, a limiting sleeve ring 13 is fixedly sleeved on one side of the inner cavity of the connecting tube 11, a bearing groove 14 is arranged on one side of the inner cavity of the connecting tube 11, an external thread 15 is arranged at one end of the outer wall of the connecting tube 11, the external thread 15 can enable the connecting tube 11 to be connected with an air source, a chuck 2 comprises the connecting sleeve ring 21, an equidistant slot, the outer wall of the connecting lantern ring 21 is fixedly sleeved with a positioning lantern ring 24, the outer wall of the sliding block 23 is in sliding sleeve joint with the sliding groove 12, one side of the positioning lantern ring 24 is attached to the limiting lantern ring 13, and the outer wall of the second sealing ring 5 is in sliding sleeve joint with the bearing groove 14;

the fixed positioning sleeve 31 that has cup jointed of inner chamber of pressure cap 3, positioning sleeve 31's inner chamber and the slip of connecting pipe are cup jointed, annular groove 32 has been seted up to one side of positioning sleeve 31, the inner chamber of recess 32 and the slip of connecting pipe are cup jointed,

pressure cap

3 and 1 interference fit of tube head main part, no external force effect down can not separate with tube head main part 1 again, pressure cap 3 can restrict tube head main part 1 shape, thereby when avoiding its inside to have atmospheric pressure, chuck 2 separates with tube head main part 1.

The utility model discloses the theory of operation: when a pipeline is connected, firstly, the pipeline penetrates through an inner cavity of the pressing cap 3 and the first sealing ring 4, then is sleeved with the chuck 2, the second sealing ring 5 is sleeved with the bearing groove 14 in a sliding mode, the chuck 2 is sleeved with the pipe head main body 1 in a sliding mode, the sliding block 23 on the chuck 2 is located in the sliding groove 12, the first sealing ring 4 is attached to the chuck 2, the pressing cap 3 is slid, the pressing cap 3 is sleeved with one end of the connecting pipe 11 in a sliding mode, and the position of the chuck 2 is limited;

when the trachea is bent and is blocked up, the inside atmospheric pressure of tube head main part 1 increases, and chuck 2 slides in connecting pipe 11 is inside, and this moment under pipeline gas pressure difference's pressure, chuck 2 can not reduce to spout 12 carries out the position to slider 23 and prescribes a limit to, and the inflation takes place for the one end of connecting pipe 11, and with pressing cap 3 fastening more and more, thereby make chuck 2 and positioning sleeve 31 laminate mutually, thereby be in encapsulated situation under the effect of first sealing washer 4, thereby avoid gas leakage.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Prevent resistant oily air pipe joint that loses of plug-in of crooked gas leakage of wide-angle, including tube head main part (1), its characterized in that, the one end of tube head main part (1) inner chamber is slided and has been cup jointed chuck (2), the one end of tube head main part (1) outer wall is provided with presses cap (3), the inside of tube head main part (1) is provided with first sealing washer (4), first sealing washer (4) are located chuck (2) and press between cap (3), the inner chamber of tube head main part (1) is provided with second sealing washer (5), second sealing washer (5) are located the one end of chuck (2).

2. The plug-in type oil and gas corrosion resistant pipe joint capable of preventing large-angle bending gas leakage according to claim 1, wherein the pipe joint body (1) comprises a connecting pipe (11), a sliding groove (12) is formed in the middle of an inner cavity of the connecting pipe (11), a limiting sleeve ring (13) is fixedly sleeved on one side of the inner cavity of the connecting pipe (11), a bearing groove (14) is formed in one side of the inner cavity of the connecting pipe (11), and an external thread (15) is formed in one end of the outer wall of the connecting pipe (11).

3. The plug-in type oil and gas corrosion resistant pipe joint capable of preventing large-angle bending and gas leakage according to claim 1, wherein the chuck (2) comprises a connecting lantern ring (21), the outer wall of the connecting lantern ring (21) is provided with slots (22) at equal intervals, one end of the connecting lantern ring (21) is fixedly connected with a plurality of sliding blocks (23) in an annular array at equal intervals, and the outer wall of the connecting lantern ring (21) is fixedly sleeved with a positioning lantern ring (24).

4. The pluggable oil-corrosion-resistant gas pipe joint capable of preventing large-angle bending gas leakage according to claim 3, wherein the outer wall of the sliding block (23) is in sliding sleeve connection with the sliding groove (12), and one side of the positioning lantern ring (24) is attached to the limiting lantern ring (13).

5. The pluggable oil-corrosion-resistant gas pipe joint capable of preventing gas leakage from being bent at large angles according to claim 1, wherein the outer wall of the second sealing ring (5) is in sliding sleeve connection with the bearing groove (14).

6. The pluggable oil-corrosion-resistant gas pipe joint capable of preventing large-angle bending gas leakage according to claim 1, wherein a positioning sleeve (31) is fixedly sleeved in an inner cavity of the pressure cap (3), the inner cavity of the positioning sleeve (31) is slidably sleeved with the connecting pipe (11), an annular groove (32) is formed in one side of the positioning sleeve (31), and the inner cavity of the groove (32) is slidably sleeved with the connecting pipe (11).