CN213839971U - Composite protection high-pressure oil pipe - Google Patents

Abstract

The utility model discloses a compound protection high pressure fuel pipe relates to the high pressure fuel pipe field, which comprises a pipe body, the spread groove has all been seted up on body both ends surface, a plurality of sealing washer mounting grooves have been seted up on spread groove inner wall surface, spread groove internally mounted has seal assembly, seal assembly is including connecting, sealing sleeve and a plurality of sealing washer. The utility model discloses an earlier install a plurality of sealing washers in the sealing washer mounting groove, then embolia the seal sleeve pipe pressure joint, a plurality of cyclic annular archs of connecting the inner tube surface make the sealing washer mounting groove on body surface produce and warp, promote its inside sealing washer and warp to in pushing it into the annular groove on the seal sleeve pipe inner wall, increase and the area of contact between the seal sleeve pipe, the locking bolt that reuses at last fixes seal sleeve pipe and joint, reduces the installation degree of difficulty, wholly makes the utility model discloses can effectively improve leakproofness and connection stability.

Description

Composite protection high-pressure oil pipe

Technical Field

The utility model relates to a high pressure fuel pipe field, in particular to compound protection high pressure fuel pipe.

Background

The high-pressure oil pipe is a component of a high-pressure oil circuit, the oil pipe is required to bear certain oil pressure and has certain fatigue strength, the sealing requirement of a pipeline is ensured, and an upper oil pipe joint is required to be fixed at the end part of the high-pressure oil pipe when the high-pressure oil pipe is produced so as to be convenient for connecting the high-pressure oil pipe with external equipment.

In the prior art, the high-pressure oil pipe has certain elasticity, and a certain gap is easily formed between the high-pressure oil pipe and the joint after a period of use, so that oil leakage is caused, the high-pressure oil pipe is easy to fall off, and the sealing performance and the stability are not ideal enough.

Therefore, it is necessary to invent a composite protection high-pressure oil pipe to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound protection high pressure fuel pipe to solve the not ideal enough problem of leakproofness and stability that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a composite protection high-pressure oil pipe comprises a pipe body, wherein connecting grooves are formed in the surfaces of two ends of the pipe body, a plurality of sealing ring mounting grooves are formed in the inner wall surfaces of the connecting grooves, and sealing assemblies are mounted in the connecting grooves;

the sealing assembly comprises a joint, a sealing sleeve and a plurality of sealing rings, wherein the joint is fixedly connected with a connecting seat, a connecting slot is formed in the connecting seat, a locking screw hole is formed in the connecting slot, a locking bolt is connected to the internal thread of the locking screw hole, one end of the connecting seat, which is far away from the joint, is fixedly connected with a connecting inner tube, a plurality of annular bulges are fixedly connected with the outer wall surface of the connecting inner tube, a plurality of annular grooves are formed in the inner wall surface of the sealing sleeve, a connecting ring is fixedly connected with the end part of the sealing sleeve, and a plurality of connecting holes are formed in the surface of the connecting ring.

Preferably, the connecting groove is matched with the sealing sleeve, the annular grooves are matched with the sealing rings, and the sealing rings are made of rubber materials.

Preferably, the connection slot is matched with a connection ring, and the connection ring is fixedly installed inside the connection slot through a connection hole, a locking bolt and a locking screw hole.

Preferably, the body includes outer glue film, glue film in the inside fixedly connected with of glue film.

Preferably, the outer rubber layer, the middle rubber layer and the inner rubber layer are all made of synthetic rubber materials.

Preferably, the surface of the pipe body is wound with a protective sleeve, the protective sleeve is spirally wound on the surface of the pipe body, and a steel wire and a nylon rope are arranged inside the protective sleeve.

The utility model discloses a technological effect and advantage:

1. the sealing sleeve and the joint are fixed by using the locking bolt, the mounting difficulty is reduced, and the whole structure is enabled to effectively improve the sealing performance and the connection stability;

2. through setting up protective case, the body itself is by outer rubber layer, well glue film and interior glue film three-layer synthetic rubber constitute, synthetic rubber has fine corrosion resistance and oil resistance, and the spiral winding is equipped with two intertwine's steel wire and nylon rope inside the protective case on body surface, the steel wire can increase the tensile strength of nylon rope, the steel wire can effectively improve the protective effect to the body with the nylon rope is mutually supported, reduce the wearing and tearing injury that the body received, thereby can effectively improve holistic life.

Drawings

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

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

Fig. 3 is a schematic structural diagram of the sealing assembly of the present invention.

Fig. 4 is a schematic structural view of the protection sleeve of the present invention.

In the figure: 1. a pipe body; 2. connecting grooves; 3. a sealing ring mounting groove; 4. a seal assembly; 5. a joint; 6. sealing the sleeve; 7. a seal ring; 8. a connecting seat; 9. connecting the slots; 10. locking the screw hole; 11. a locking bolt; 12. connecting the inner pipes; 13. an annular projection; 14. an annular groove; 15. a connecting ring; 16. connecting holes; 17. an outer adhesive layer; 18. a middle glue layer; 19. an inner glue layer; 20. protecting the sleeve; 21. a steel wire; 22. a nylon rope.

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 composite protection high-pressure oil pipe as shown in figures 1-4, as shown in figures 1-3, the composite protection high-pressure oil pipe comprises a pipe body 1, connecting grooves 2 are respectively arranged on the surfaces of two ends of the pipe body 1, the connecting grooves 2 are matched with sealing sleeves 6, so that the sealing sleeves 6 can be sleeved in the connecting grooves 2 and can be kept flat with the surface of the pipe body 1, the probability of being pushed by foreign matters is reduced, the stability is improved, a plurality of sealing ring mounting grooves 3 are arranged on the inner wall surface of the connecting grooves 2, and sealing rings 7 are convenient to mount;

secondly, a sealing assembly 4 is arranged in the connecting groove 2, the sealing assembly 4 comprises a joint 5, a sealing sleeve 6 and a plurality of sealing rings 7, the sealing rings 7 are made of rubber materials, the rubber materials have good elasticity and can deform along with the pipe body 1 during installation, and therefore the sealing property between the pipe body 1 and the sealing sleeve 6 can be improved;

then, a connecting seat 8 is fixedly connected to the surface of the connector 5, a connecting slot 9 is formed in the connecting seat 8, a locking screw hole 10 is formed in the connecting slot 9, a locking bolt 11 is connected to the locking screw hole 10 through a thread, an inner connecting tube 12 is fixedly connected to one end of the connecting seat 8, which is far away from the connector 5, and a plurality of annular protrusions 13 are fixedly connected to the outer wall surface of the inner connecting tube 12, so that after the connector 5 is pressed into the tube body 1, the annular protrusions 13 correspond to the annular grooves 14 on the inner wall of the sealing sleeve 6 one by one and correspond to the sealing ring mounting grooves 3 on the tube body 1, and the tube body 1 can be driven by the annular protrusions 13 to deform in the sealing ring mounting grooves 3, so that the sealing ring 7 can be pushed into the annular grooves 14, the sealing ring 7 can be conveniently mounted, and the connection stability and sealing performance can be greatly improved, the sealing sleeve 6 can be connected with the connecting slot 9 on the connecting seat 8, and the locking bolt 11 is used for fixing the sealing sleeve 6 and the connecting seat 8, so that the stability is further improved;

finally, a plurality of annular grooves 14 are formed in the surface of the inner wall of the sealing sleeve 6, the plurality of annular grooves 14 are matched with the plurality of sealing rings 7, a connecting ring 15 is fixedly connected to the end portion of the sealing sleeve 6, a plurality of connecting holes 16 are formed in the surface of the connecting ring 15, the connecting slot 9 is matched with the connecting ring 15, the connecting ring 15 is fixedly installed inside the connecting slot 9 through the connecting holes 16, the locking bolts 11 and the locking screw holes 10, after the connector 5 is pressed into the pipe body 1, the sealing rings 7 are pushed to enter the annular grooves 14, the contact area between the sealing rings and the sealing sleeve 6 is increased, and therefore stability can be increased, and sealing performance can be improved.

As shown in fig. 2 and 4, the tube body 1 comprises an outer adhesive layer 17, a middle adhesive layer 18 is fixedly connected inside the outer adhesive layer 17, an inner adhesive layer 19 is fixedly connected inside the middle adhesive layer 18, the outer adhesive layer 17, the middle adhesive layer 18 and the inner adhesive layer 19 are all made of synthetic rubber materials, a protective sleeve 20 is wound on the surface of the tube body 1, the protective sleeve 20 is spirally wound on the surface of the tube body 1, steel wires 21 and nylon ropes 22 are arranged inside the protective sleeve 20, the tube body 1 is formed by three layers of synthetic rubber, namely the outer adhesive layer 17, the middle adhesive layer 18 and the inner adhesive layer 19, the synthetic rubber has good corrosion resistance and oil resistance, two intertwined steel wires 21 and nylon ropes 22 are arranged inside the protective sleeve 20 spirally wound on the surface of the tube body 1, the steel wires 21 can increase the tensile strength of the nylon ropes 22, the steel wires 21 and the nylon ropes 22 are mutually matched to effectively improve the protection effect on the tube body 1, reduce the wearing and tearing injury that body 1 received to can effectively improve holistic life.

The utility model discloses the theory of operation:

in actual use of the utility model, firstly, a plurality of sealing rings 7 are installed in the sealing ring installation grooves 3 on the surface of the pipe body 1, then the sealing sleeve 6 is sleeved in the connection groove 2, then the joint 5 is pressed in, the connection inner pipe 12 at the end part of the joint 5 enters the pipe body 1, a plurality of annular bulges 13 on the surface apply pressure to the pipe body 1, thereby the pipe body 1 generates outward deformation, after the connection inner pipe 12 completely enters the pipe body 1, the annular bulges 13 are all positioned at the positions of the sealing ring installation grooves 3, thereby the positions of the sealing ring installation grooves 3 on the surface of the pipe body 1 generate deformation, the sealing rings 7 in the pipe body are pushed to deform and are pushed into the annular grooves 14 on the inner wall of the sealing sleeve 6, the contact area between the sealing sleeve 6 is increased, and finally, the sealing sleeve 6 and the joint 5 are fixed by using the locking bolts 11, reduce the installation degree of difficulty, wholly make the utility model discloses can effectively improve leakproofness and connection stability.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a compound protection high pressure fuel pipe which characterized in that: the sealing device comprises a pipe body (1), wherein connecting grooves (2) are formed in the surfaces of two ends of the pipe body (1), a plurality of sealing ring mounting grooves (3) are formed in the inner wall surface of each connecting groove (2), and a sealing assembly (4) is mounted inside each connecting groove (2);

seal assembly (4) are including connecting (5), sealing sleeve (6) and a plurality of sealing washer (7), connect (5) fixed surface and be connected with connecting seat (8), connecting slot (9) have been seted up to connecting seat (8) inside, locking screw (10) have been seted up to connecting slot (9) inside, locking screw (10) internal thread is connected with locking bolt (11), the one end fixedly connected with connection inner tube (12) that connects (5) are kept away from in connecting seat (8), connect inner tube (12) outer wall fixed surface and be connected with a plurality of annular arch (13), a plurality of annular recess (14) have been seted up on sealing sleeve (6) inner wall surface, sealing sleeve (6) tip fixedly connected with go-between (15), a plurality of connecting holes (16) have been seted up on go-between (15) surface.

2. The composite protective high pressure oil pipe of claim 1, wherein: the connecting groove (2) is matched with the sealing sleeve (6) and is provided with a plurality of annular grooves (14) which are matched with a plurality of sealing rings (7), and the sealing rings (7) are made of rubber materials.

3. The composite protective high pressure oil pipe of claim 1, wherein: the connecting slot (9) is matched with the connecting ring (15), and the connecting ring (15) is fixedly arranged inside the connecting slot (9) through the connecting hole (16), the locking bolt (11) and the locking screw hole (10).

4. The composite protective high pressure oil pipe of claim 1, wherein: the pipe body (1) comprises an outer rubber layer (17), a middle rubber layer (18) is fixedly connected to the inside of the outer rubber layer (17), and an inner rubber layer (19) is fixedly connected to the inside of the middle rubber layer (18).

5. The composite protective high pressure oil pipe of claim 4, wherein: the outer rubber layer (17), the middle rubber layer (18) and the inner rubber layer (19) are all made of synthetic rubber materials.

6. The composite protective high pressure oil pipe of claim 1, wherein: the surface of the pipe body (1) is wound with a protective sleeve (20), the protective sleeve (20) is spirally wound on the surface of the pipe body (1), and a steel wire (21) and a nylon rope (22) are arranged inside the protective sleeve (20).

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