CN216045995U

CN216045995U - LNG (liquefied Natural gas) conveying joint for wharf boat

Info

Publication number: CN216045995U
Application number: CN202122635992.3U
Authority: CN
Inventors: 张洪; 罗京; 房历平; 罗浪
Original assignee: Chongqing Fujiang Energy Technology Co ltd
Current assignee: Chongqing Fujiang Energy Technology Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-03-15
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to an LNG (liquefied natural gas) conveying joint for a wharf boat, which comprises a joint body and a butt joint pipe, wherein a circular truncated cone limiting block is fixed on the outer side of the right side of the joint body, two groups of sliding grooves are symmetrically formed in the side wall of the circular truncated cone limiting block, a sealing ring is connected to the outer side of the joint body in a sliding mode, a sealing spring is fixed on the left end face of the sealing ring, a rotating ring is further fixed on the outer side of the joint body, a socket pipe is fixed at the left end of the butt joint pipe, two groups of mounting holes are symmetrically formed in the inner wall of the socket pipe, a return spring is fixed in each mounting hole, and a locking block is fixed at one end of each return spring. The design of the circular truncated cone-shaped limiting block and the locking block can lock the joint body when the joint body is inserted into the socket pipe, so that the joint body can be quickly connected and locked; due to the design of the sealing ring and the sealing spring, the damage to the joint body in the butt joint process can be buffered by the expansion of the sealing spring, and the maintenance frequency of the joint body is reduced.

Description

LNG (liquefied Natural gas) conveying joint for wharf boat

Technical Field

The utility model relates to the technical field of LNG (liquefied natural gas) conveying joints, in particular to an LNG conveying joint for a wharf boat.

Background

In the prior art, most LNG quick connectors are connected through flanges through bolts, the connecting structure can cause impact damage to the connectors in the connecting process, the service life of the connectors is influenced, and the connection and the disassembly are troublesome.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the present invention is directed to a LNG transfer coupling for a pontoon, so as to solve the technical problems mentioned in the background art.

In order to solve the above problems, the present invention adopts the following technical solutions.

A LNG conveying joint for a wharf boat comprises a joint body and a butt joint pipe, wherein a circular truncated cone type limiting block is fixed on the outer side of the right output end of the joint body, two groups of sliding grooves are symmetrically arranged on the side wall of the circular truncated cone type limiting block, the left end and the right end of each sliding groove respectively extend to the side wall of the circular truncated cone type limiting block, a sealing ring is connected to the outer side of the joint body in a sliding manner, a sealing spring is fixed on the left end face of the sealing ring, the sealing spring is sleeved on the joint body, a mounting ring is fixed on the left end of the sealing ring, the mounting ring is fixed on the outer side of the joint body, a rotating ring is further fixed on the outer side of the joint body, a socket pipe is fixed on the left end of the butt joint pipe, two groups of mounting holes are symmetrically arranged on the inner wall of the socket pipe, a reset spring is fixed in each mounting hole, a locking block is fixed on one end of the reset spring, the locking block is connected with the mounting holes in a sliding manner, and an inclined plane is arranged at the position of the locking block corresponding to the circular truncated cone type limiting block, a first sealing ring is arranged in the socket pipe.

Preferably, the right end face of the sealing ring is provided with a second sealing ring.

In any of the above aspects, preferably, the second seal ring is screwed to the seal ring.

In any of the above aspects, it is preferable that the outer side of the rotating ring is provided with a friction projection.

In any one of the above aspects, preferably, the friction protrusion is provided in plurality.

In any of the above schemes, preferably, the sealing ring is provided with a plurality of connecting through holes, bolts are arranged in the connecting through holes, and the bolts penetrate through the connecting through holes to be connected to the left end face of the socket pipe.

In any of the above aspects, it is preferable that a plurality of the connecting through holes are arranged at equal intervals.

In any of the above schemes, preferably, an indication line is provided on a side wall of the joint body, and the indication line is parallel to the sliding groove.

In any of the above schemes, preferably, the outer side of the socket pipe is provided with an identification convex strip, and the identification convex strip and the mounting hole are aligned with each other.

In any of the above aspects, preferably, a flange is fixed to the left end of the joint body.

Compared with the prior art, the utility model has the advantages that:

according to the design of the truncated cone-shaped limiting block and the locking block, when the connector body is inserted into the socket pipe, the locking block can slide along the vertical direction, and when the right end face of the locking block is attached to the left end face of the truncated cone-shaped limiting block, the connector body can be locked, so that the connector body can be quickly connected and locked; due to the design of the sealing ring and the sealing spring, the damage to the joint body in the butt joint process can be buffered by the expansion of the sealing spring, and the maintenance frequency of the joint body is reduced.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an LNG transfer joint for a pontoon according to the present invention.

The reference numbers in the figures illustrate:

1. a connector body; 2. butt-joint pipes; 3. a circular truncated cone-shaped limiting block; 4. a chute; 5. a seal ring; 6. a seal spring; 7. a mounting ring; 8. a rotating ring; 9. inserting a pipe; 10. mounting holes; 11. a return spring; 12. a locking block; 13. a bevel; 14. a first seal ring; 15. a second seal ring; 16. a friction projection; 17. a connecting through hole; 18. a bolt; 19. an indicator line; 20. marking the convex strips; 21. a flange plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Example (b):

referring to fig. 1, an LNG transfer joint for a wharf boat comprises a joint body 1 and a butt joint pipe 2, wherein a truncated cone type limiting block 3 is fixed at the outer side of the right output end of the joint body 1, two sets of sliding grooves 4 are symmetrically arranged on the side wall of the truncated cone type limiting block 3, the left and right ends of the sliding grooves 4 respectively extend to the side wall of the truncated cone type limiting block 3, a sealing ring 5 is slidably connected to the outer side of the joint body 1, a sealing spring 6 is fixed on the left end surface of the sealing ring 5, the sealing spring 6 is sleeved on the joint body 1, a mounting ring 7 is fixed at the left end of the sealing spring 6, the mounting ring 7 is fixed at the outer side of the joint body 1, a rotating ring 8 is fixed at the outer side of the joint body 1, a socket pipe 9 is fixed at the left end of the butt joint pipe 2, two sets of mounting holes 10 are symmetrically arranged on the inner wall of the socket pipe 9, and a return spring 11 is fixed in the mounting hole 10, a locking block 12 is fixed at one end of the return spring 11, the locking block 12 is slidably connected with the mounting hole 10, an inclined surface 13 is arranged at the position of the locking block 12 corresponding to the truncated cone-shaped limiting block 3, and a first sealing ring 14 is arranged in the socket pipe 9.

In the present embodiment, the right end surface of the seal ring 5 is provided with a second seal ring 15.

In the present exemplary embodiment, the second sealing ring 15 is screwed to the sealing ring 5.

In this embodiment, the outside of the rotating ring 8 is provided with friction protrusions 16.

In the present embodiment, the friction projection 16 is provided in plurality.

In this embodiment, a plurality of connecting through holes 17 are formed in the seal ring 5, bolts 18 are disposed in the connecting through holes 17, and the bolts 18 pass through the connecting through holes 17 and are connected to the left end surface of the socket pipe 9.

In the present embodiment, a plurality of the connecting through holes 17 are arranged at equal intervals.

In this embodiment, an indication line 19 is disposed on a side wall of the joint body 1, and the indication line 19 is parallel to the sliding groove 4.

In this embodiment, the outer side of the socket pipe 9 is provided with an identification convex strip 20, and the identification convex strip 20 is aligned with the mounting hole 10.

In this embodiment, a flange 21 is fixed to the left end of the joint body 1.

Compared with the prior art, the utility model has the advantages that:

according to the design of the truncated cone-shaped limiting block 3 and the locking block 12, when the connector body 1 is inserted into the socket pipe 9, the locking block 12 slides along the vertical direction, when the right end face of the locking block 12 is attached to the left end face of the truncated cone-shaped limiting block 3, the connector body 1 can be locked, and the connector body 1 can be quickly connected and locked; due to the design of the sealing ring 5 and the sealing spring 6, the damage to the joint body 1 in the process of telescopic buffer butt joint of the sealing spring 6 can be reduced, and the maintenance frequency of the joint body 1 is reduced; the design of round platform type stopper 3, when the device was dismantled to needs, the accessible rotated ring 8 swivel joint body 1, made spout 4 and latch segment 12 to it, then the pulling connects body 1 can accomplish the dismantlement, easy operation convenience.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a be used for wharf boat LNG transfer connector, includes joint body and butt joint pipe, its characterized in that: a circular truncated cone-shaped limiting block is fixed on the outer side of the right output end of the joint body, two groups of sliding grooves are symmetrically arranged on the side wall of the circular truncated cone-shaped limiting block, the left end and the right end of each sliding groove respectively extend to the side wall of the circular truncated cone-shaped limiting block, a sealing ring is connected on the outer side of the joint body in a sliding manner, a sealing spring is fixed on the left end face of the sealing ring and is sleeved on the joint body, and the left end of the sealing spring is fixed with a mounting ring which is fixed at the outer side of the joint body, the outer side of the joint body is also fixed with a rotating ring, a socket pipe is fixed at the left end of the butt joint pipe, two groups of mounting holes are symmetrically arranged on the inner wall of the socket pipe, a return spring is fixed in each mounting hole, a locking block is fixed at one end of each return spring and is in sliding connection with the mounting holes, and the locking block is provided with an inclined plane corresponding to the position of the truncated cone-shaped limiting block, and a first sealing ring is arranged in the socket pipe.

2. An LNG transfer coupling for a pontoon as claimed in claim 1, wherein: and a second sealing ring is arranged on the right end face of the sealing ring.

3. An LNG transfer coupling for a pontoon as claimed in claim 2, wherein: the second sealing ring is connected with the sealing ring through screws.

4. An LNG transfer coupling for a pontoon as claimed in claim 1, wherein: the outside of rotatory ring is provided with the friction arch.

5. An LNG transfer coupling for pontoons as claimed in claim 4 wherein: the friction bulge is provided with a plurality of.

6. An LNG transfer coupling for a pontoon as claimed in claim 1, wherein: a plurality of connecting through holes are formed in the sealing ring, bolts are arranged in the connecting through holes, and the bolts penetrate through the connecting through holes to be connected to the left end face of the socket pipe.

7. An LNG transfer coupling for a pontoon as claimed in claim 6, wherein: the connecting through holes are arranged at equal intervals.

8. An LNG transfer coupling for a pontoon as claimed in claim 1, wherein: be provided with the pilot line on the lateral wall of joint body, the pilot line with the spout is parallel.

9. An LNG transfer coupling for a pontoon as claimed in claim 1, wherein: the outside of socket pipe is provided with the sign sand grip, the sign sand grip with the mounting hole is to it.

10. An LNG transfer coupling for a pontoon as claimed in claim 1, wherein: and a flange plate is fixed at the left end of the joint body.