CN211232008U

CN211232008U - Oil gas recovery seal structure

Info

Publication number: CN211232008U
Application number: CN201922380926.9U
Authority: CN
Inventors: 刘伟; 周逍军; 周建良
Original assignee: Beijing Huaxia Ansheng Technology Co ltd
Current assignee: Beijing Huaxia Ansheng Technology Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-08-11
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a vapor recovery system seal structure, the connecting pipe comprises a connecting pipe, it has the external screw thread to open on the connecting pipe circumference outer wall, and the connecting pipe cup joints through the external screw thread and is fixed with the sleeve pipe, connecting pipe one end has cup jointed the hose, and the hose is located between sleeve pipe and the connecting pipe, be fixed with a plurality of bulge loops on the connecting pipe, bulge loop and hose inner wall contact, the intraductal wall of sleeve is fixed with the antiskid circle that a plurality of equidistance distribute, antiskid circle and hose outer wall contact, the one end that the hose was kept away from to the connecting pipe is fixed with fixed pipe, is fixed with sealing mechanism between. The utility model discloses can increase the joint strength between sleeve pipe and connecting pipe and the hose, prevent that the hose from producing the condition of droing, can also increase the sealing strength between connecting pipe and the fixed pipe, avoid oil gas to produce and leak.

Description

Oil gas recovery seal structure

Technical Field

The utility model relates to a sealing mechanism technical field especially relates to an oil gas recovery seal structure.

Background

At present, with the higher and higher requirements of the country on safety production and energy conservation and environmental protection, many petrochemical and chemical enterprises use the oil gas recovery sealing device when volatile oil or chemical medium is loaded into a vehicle, so as to reduce the pollution of volatile gas to the environment and the harm to the lives and properties of people, and simultaneously, the resource is saved by the recovery and utilization of the volatile gas.

Need carry out sealed work in the pipe connection department at oil gas recovery device for the pipeline can not take place the condition of droing at the in-process of buckling, improves the leakproofness of pipeline, avoids oil gas leakage, and current sealing mechanism is simple, and joint strength is lower, produces the condition of droing easily, can not satisfy normal use demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an oil gas recovery sealing structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an oil gas recovery seal structure, includes the connecting pipe, it has the external screw thread to open on the connecting pipe circumference outer wall, and the connecting pipe cup joints through the external screw thread and is fixed with the sleeve pipe, connecting pipe one end has cup jointed the hose, and the hose is located between sleeve pipe and the connecting pipe, be fixed with a plurality of bulge loops on the connecting pipe, bulge loop and the contact of hose inner wall, the intraductal wall of sleeve is fixed with the antiskid circle that a plurality of equidistance distribute, antiskid circle and the contact of hose outer wall, the one end that the hose was kept away from to the connecting pipe is fixed with fixed pipe.

Furthermore, sealing mechanism includes solid fixed ring, and solid fixed ring one side is fixed with the sealing washer, and the sealing washer nestification is in the connecting tube.

Furthermore, a plurality of annularly distributed lugs are fixed on the inner wall of the fixed pipe, and the outer wall of one side of each lug is attached to the fixed ring.

Furthermore, a first connecting ring and a second connecting ring are respectively fixed on the connecting pipe and the fixing pipe, and the first connecting ring and the second connecting ring are fixed through bolts.

Furthermore, one end of the connecting pipe, which is close to the hose, is provided with a bundling chamfer.

Furthermore, a mounting ring attached to the inner wall of the connecting pipe is further fixed to one side of the fixing ring, and a filter screen is fixed to the mounting ring.

The utility model has the advantages that:

1. through the sheathed tube setting can the screw thread precession connecting pipe on and play the clamping action to the hose, antiskid circle and bulge loop can increase the joint strength between sleeve pipe and connecting pipe and the hose, prevent that the hose from producing the condition of droing.

2. The sealing strength between the connecting pipe and the fixed pipe can be increased through the arrangement of the sealing ring in the sealing mechanism, oil gas leakage is avoided, the fixed ring is limited and fixed by the convex block, and the sealing mechanism is convenient to detach and replace.

3. The oil gas that can let in to the connecting pipe through setting up of filter screen carries out filtering work, effectively gets rid of some non-oil gas impurity, improves vapor recovery system purity, and the filter screen also can conveniently be dismantled in addition and change.

Drawings

Fig. 1 is a schematic sectional structure view of an embodiment 1 of an oil gas recovery sealing structure provided by the present invention;

fig. 2 is a schematic view of a three-dimensional structure of a fixing ring in embodiment 1 of the oil gas recovery sealing structure provided by the present invention;

fig. 3 is the utility model provides an embodiment 2 sectional structure schematic diagram of oil gas recovery seal structure.

In the figure: the filter comprises a connecting pipe 1, an external thread 2, a sleeve 3, an anti-slip ring 4, a convex ring 5, a first connecting ring 6, a second connecting ring 7, a fixing ring 8, a fixing pipe 9, a convex block 10, a hose 11, a sealing ring 12, a mounting ring 13 and a filter screen 14.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Example 1

Referring to fig. 1 and 2, an oil gas recovery seal structure, including connecting pipe 1, it has external screw thread 2 to open on the 1 circumference outer wall of connecting pipe, connecting pipe 1 cup joints through external screw thread 2 and is fixed with sleeve pipe 3, hose 11 has been cup jointed to 1 one end of connecting pipe, hose 11 is located between sleeve pipe 3 and the connecting pipe 1, be fixed with a plurality of bulge loops 5 on the connecting pipe 1, bulge loop 5 and the contact of 11 inner walls of hose, the 3 inner walls of sleeve pipe are fixed with the antiskid circle 4 that a plurality of equidistance distribute, antiskid circle 4 and the contact of 11 outer walls of hose, the one end that hose 11 was kept away from to connecting pipe 1 is fixed with solid fixed tube 9, be fixed with sealing.

Sealing mechanism is including solid fixed ring 8, gu 8 one side of fixed ring is fixed with sealing washer 12, sealing washer 12 scarf joint is in connecting pipe 1, be fixed with the lug 10 that a plurality of annular distribute on the fixed pipe 9 inner wall, lug 10 one side outer wall and solid fixed ring 8 laminating, be fixed with first go-between 6 and second go-between 7 on connecting pipe 1 and the fixed pipe 9 respectively, pass through the bolt fastening between first go-between 6 and the second go-between 7, connecting pipe 1 is close to the one end of hose 11 and is equipped with the receipts and restraints the chamfer.

The working principle of the embodiment is as follows: sleeve pipe 3 can screw in on the connecting pipe 1 and play the clamping action to hose 11, antiskid ring 4 and bulge loop 5 can increase the joint strength between sleeve pipe 3 and connecting pipe 1 and the hose 11, prevent that hose 11 from producing the condition of droing, the setting of sealing washer 12 can increase the seal strength between connecting pipe 1 and the fixed pipe 9 among the sealing mechanism, avoid oil gas to produce and leak, utilize lug 10 to carry out spacing fixed to solid fixed ring 8, be convenient for dismantle the change to sealing mechanism.

Example 2

Referring to fig. 3, the present embodiment of an oil gas recovery sealing structure is different from embodiment 1 in that a mounting ring 13 attached to an inner wall of a connection pipe 1 is further fixed to one side of a fixing ring 8, and a filter screen 14 is fixed to the mounting ring 13.

The working principle of the embodiment is as follows: filter screen 14 can carry out filtering work to the oil gas that connecting pipe 1 let in, effectively gets rid of some non-oil gas impurity, improves vapor recovery system purity, and filter screen 14 also can conveniently dismantle the change in addition.

In the description of this patent, it is to be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In this patent, unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, or they may be connected internally or in an interactive relationship with each other, and unless otherwise specifically limited, the specific meaning of the above terms in this patent will be understood by those skilled in the art according to the specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an oil gas recovery seal structure, includes connecting pipe (1), its characterized in that, it has external screw thread (2) to open on connecting pipe (1) circumference outer wall, and connecting pipe (1) cup joints through external screw thread (2) and is fixed with sleeve pipe (3), hose (11) have been cup jointed to connecting pipe (1) one end, and hose (11) are located between sleeve pipe (3) and connecting pipe (1), be fixed with a plurality of bulge loops (5) on connecting pipe (1), bulge loop (5) and hose (11) inner wall contact, sleeve pipe (3) inner wall is fixed with a plurality of equidistance antiskid circle (4) that distribute, antiskid circle (4) and hose (11) outer wall contact, the one end that hose (11) were kept away from in connecting pipe (1) is fixed with solid fixed tube (9), is fixed with sealing mechanism between solid fixed tube (9) and connecting pipe (1).

2. The oil gas recovery sealing structure according to claim 1, characterized in that the sealing mechanism comprises a fixing ring (8), a sealing ring (12) is fixed on one side of the fixing ring (8), and the sealing ring (12) is embedded in the connecting pipe (1).

3. The oil gas recovery sealing structure according to claim 2, characterized in that a plurality of annularly distributed lugs (10) are fixed on the inner wall of the fixing pipe (9), and the outer wall of one side of the lug (10) is attached to the fixing ring (8).

4. The oil gas recovery sealing structure according to claim 1, characterized in that a first connecting ring (6) and a second connecting ring (7) are respectively fixed on the connecting pipe (1) and the fixed pipe (9), and the first connecting ring (6) and the second connecting ring (7) are fixed by bolts.

5. The oil and gas recovery sealing structure according to any one of claims 1 to 4, characterized in that one end of the connecting pipe (1) close to the hose (11) is provided with a converging chamfer.

6. The oil gas recovery sealing structure according to claim 2, characterized in that a mounting ring (13) attached to the inner wall of the connecting pipe (1) is further fixed on one side of the fixing ring (8), and a filter screen (14) is fixed on the mounting ring (13).