CN216590376U - Double-clamping sleeve sealing device - Google Patents

Abstract

The utility model relates to a double cassette sleeve pipe technical field, in particular to a double cassette sleeve pipe sealing device, which comprises a first circular pipe and a second circular pipe, wherein the protruding end of the second circular pipe is screwed and installed in the first circular pipe, the bottom of the first circular pipe is provided with a first ring groove and a second ring groove, the top of the second circular pipe is fixedly provided with a sealing ring and a fixing ring, the sealing ring is positioned in the first ring groove, the fixing ring is positioned in the second ring groove, the inner wall of the second ring groove is provided with a plurality of chutes, the inner wall of the fixing ring is provided with slots communicated with the chutes, the sliding in the chutes is provided with a moving post, the utility model discloses a first ring groove, a second ring groove, a chute, a second circular pipe, a sealing film, a sealing ring, a fixing ring, a slot, a moving post and a spring, thereby solving the problem that the connection part of the double cassette sleeve pipe can generate thread abrasion in the long-term use process, the double-clamping sleeve pipe can be loosened or fall off, so that the joint of the double-clamping sleeve pipe cannot be in a sealing state.

Description

Double-clamping sleeve sealing device

Technical Field

The utility model relates to a double cassette sleeve pipe technical field specifically is a double cassette sleeve pipe sealing device.

Background

The double-ferrule type pipe joint is a convenient, reliable and easy-to-install connection mode of medium and high pressure pipelines, is widely applied to transmission sealing of medium and small-diameter liquid and air pressure in petrochemical, mechanical, hydraulic and other industries, and can be suitable for an environment with the pressure resistance within 4OMPa and the temperature below 600 ℃. The device is a device for realizing the liquefaction, storage and transportation of natural gas under the conditions of medium and low pressure and ultralow temperature.

In the prior art, in the long-term use process of part double cassette sleeve pipe, thread wear can appear in the junction of double cassette sleeve pipe, and the condition that the double cassette sleeve pipe can appear becoming flexible or droing leads to the unable sealed state that is of double cassette sleeve pipe's junction. In view of this, we propose a double bayonet tube sealing device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double cassette sleeve pipe sealing device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a double cassette sleeve pipe sealing device, includes first pipe and second pipe, the protrusion end spiro union of second pipe is installed in first pipe, first ring channel and second ring channel have been seted up to the bottom of first pipe, the top fixed mounting of second pipe has sealing ring and solid fixed ring, the sealing ring is located first ring channel, gu fixed ring is located the second ring channel, a plurality of spouts have been seted up on the inner wall of second ring channel, gu set up the slot that is linked together with the spout on fixed ring's the inner wall, slidable mounting has the removal post in the spout, and the one end of removing the post extends to in the slot that corresponds, still be equipped with the elastic component that is used for the extrusion to remove the post in the spout, the both sides of spout all are equipped with the spacing subassembly that is used for injecing the displacement of removal post.

Preferably, the elastic part comprises a spring, the spring is fixedly installed at one end of the movable column, and one end of the movable column is in plug-in fit with the slot.

Preferably, the movable column is of a trapezoidal structure, and one side of the movable column, which is an inclined surface, faces the second circular tube.

Preferably, the limiting assembly comprises a limiting block, limiting grooves are formed in the two sides of the sliding groove, and limiting blocks fixed with the movable columns are arranged in the limiting grooves in a sliding mode.

Preferably, the first annular groove is equal to the sealing ring in size, the second annular groove is equal to the fixing ring in size, and the first annular groove is located in the second annular groove.

Preferably, a sealing film is fixedly mounted at the top of the second round pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

this double cassette sleeve pipe sealing device, ensure that the protrusion end of second pipe can be installed in first pipe under the effect of screw thread, and simultaneously, the sealing ring can seamless installation in first ring channel, gu fixed ring can seamless installation in first ring channel, guarantee the leakproofness of first pipe and second pipe junction, afterwards, again the spring extrusion is passing the spout and is inserting the slot in the one end of moving the post, let solid fixed ring fix in the second ring channel, ensure the stable in structure of first pipe and second pipe, can prevent that the condition that not hard up or drop can appear in the double cassette sleeve pipe, guarantee that the double cassette sleeve pipe junction is encapsulated situation.

Drawings

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

fig. 2 is a detailed structural diagram of the interior of the first sleeve clamping pipe and the second round pipe in the present invention;

FIG. 3 is a schematic cross-sectional view of the first sleeve-clamping tube of the present invention;

fig. 4 is a schematic sectional structural view of the second round tube of the present invention.

In the figure: 1. a first circular tube; 11. a first annular groove; 12. a second annular groove; 13. a chute; 14. a limiting groove; 2. a second circular tube; 21. a sealing film; 3. a seal ring; 4. a fixing ring; 41. a slot; 5. moving the column; 6. a limiting block; 7. a spring.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a double cassette sleeve pipe sealing device, including first pipe 1 and second pipe 2, the protrusion end spiro union of second pipe 2 is installed in first pipe 1, first ring channel 11 and second annular groove 12 have been seted up to the bottom of first pipe 1, the top fixed mounting of second pipe 2 has sealing ring 3 and solid fixed ring 4, sealing ring 3 is located first ring channel 11, gu fixed ring 4 is located second annular groove 12, a plurality of spouts 13 have been seted up on the inner wall of second ring channel 12, the slot 41 that is linked together with spout 13 has been seted up on solid fixed ring 4's the inner wall, slidable mounting has removal post 5 in spout 13, and the one end that removes post 5 extends to in the slot 41 that corresponds, still be equipped with the elastic component that is used for the extrusion removal post 5 in the spout 13, the both sides of spout 13 all are equipped with the spacing subassembly that is used for injecing removal post 5 displacement.

In this embodiment, the elastic component includes spring 7, spring 7 fixed mounting is in the one end of removing post 5, the cooperation of pegging graft of the one end and slot 41 of removing post 5, when wearing and tearing appear in the screw thread on first pipe 1 and second pipe 2, there is spring 7 to extrude the one end of removing post 5 and pass spout 13 and insert slot 41, let solid fixed ring 4 fix in second ring channel 12, ensure the stable in structure of first pipe 1 and second pipe 2, prevent that the condition that becomes flexible or drop can appear in the double cassette pipe.

In this embodiment, remove post 5 and be the trapezium structure, and remove one side that post 5 is the inclined plane towards second pipe 2, when guaranteeing that the protrusion end rotation of second pipe 2 gets into first pipe 1 in, remove post 5 and receive solid fixed ring 4's extrusion and can get into spout 13, make things convenient for first pipe 1 and second pipe 2 to install together.

In this embodiment, spacing subassembly includes stopper 6, and spacing groove 14 has all been seted up to spout 13's both sides, and sliding mounting has stopper 6 fixed with removal post 5 in the spacing groove 14, when guaranteeing to remove post 5 and receive spring 7's extrusion in spout 13, has stopper 6 spacing removal post 5 in spacing groove 14, can prevent to remove post 5 and drop from spout 13, guarantees the stability of structure.

In this embodiment, the size of first ring channel 11 equals with sealing ring 3, and the size of second ring channel 12 equals with solid fixed ring 4, and first ring channel 11 is located second ring channel 12, ensures that sealing ring 3 can seamlessly install in first ring channel 11, and solid fixed ring 4 can seamlessly install in first ring channel 11, guarantees the leakproofness of first pipe 1 and the 2 junctions of second pipe.

In this embodiment, the sealing film 21 is fixedly mounted on the top of the second circular tube 2, so that the sealing film 21 can be extruded on the bottom of the first circular tube 1, and the sealing performance of the joint of the first circular tube 1 and the second circular tube 2 is enhanced.

It is worth to be noted that the sealing ring 3 is inserted into the first annular groove 11, and the fixing ring 4 is inserted into the second annular groove 12, so as to ensure that the sealing ring 3 can be inserted into the first annular groove 11, and the fixing ring 4 can be inserted into the second annular groove 12.

When the double-clamping sleeve sealing device of the embodiment is used, the protruding end of the second circular tube 2 is placed into the first circular tube 1, meanwhile, the sealing ring 3 enters the first annular groove 11, the fixing ring 4 enters the second annular groove 12, then, the second circular tube 2 is rotated, so that the protruding end of the second circular tube 2 enters the first circular tube 1 under the action of the screw thread, one end of the sealing ring 3 moves upwards in the first annular groove 11, one end of the fixing ring 4 moves upwards in the second annular groove 12 until the movable column 5 is extruded by the fixing ring 4, enters the sliding groove 13 and extrudes the spring 7 to shrink, the spring 7 generates larger rebound force, when the sliding groove 13 is aligned with the slot 41, the spring 7 in the sliding groove 13 rebounds to stretch and extrudes one end of the movable column 5 to penetrate through the sliding groove 13 to be inserted into the slot 41, at the moment, the fixing ring 4 is fixed in the second annular groove 12, thereby ensuring that the sealing ring 3 is seamlessly installed in the first annular groove 11, the fixing ring 4 is installed in the first annular groove 11 in a seamless mode, meanwhile, the sealing film 21 is tightly extruded at the bottom of the first circular tube 1, the stable structure of the first circular tube 1 and the second circular tube 2 is guaranteed, the situation that the double-clamping sleeve is loosened or falls off can be prevented, and the connection position of the double-clamping sleeve is guaranteed to be in a sealing state.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a double cassette sleeve pipe sealing device, includes first pipe (1) and second pipe (2), its characterized in that: the convex end of the second round pipe (2) is screwed in the first round pipe (1), the bottom of the first circular pipe (1) is provided with a first annular groove (11) and a second annular groove (12), the top of the second round pipe (2) is fixedly provided with a sealing ring (3) and a fixing ring (4), the sealing ring (3) is positioned in the first annular groove (11), the fixing ring (4) is positioned in the second annular groove (12), the inner wall of the second annular groove (12) is provided with a plurality of sliding grooves (13), the inner wall of the fixing ring (4) is provided with a slot (41) communicated with the sliding chute (13), the sliding chute (13) is internally provided with a movable column (5) in a sliding way, one end of the movable column (5) extends into the corresponding slot (41), an elastic piece for extruding the movable column (5) is arranged in the sliding groove (13), and limiting assemblies for limiting the displacement of the movable column (5) are arranged on two sides of the sliding groove (13).

2. The dual-cartridge sealing device of claim 1, wherein: the elastic piece comprises a spring (7), the spring (7) is fixedly installed at one end of the movable column (5), and one end of the movable column (5) is in plug-in fit with the slot (41).

3. The dual-cartridge sleeve seal arrangement of claim 2, wherein: the movable column (5) is of a trapezoidal structure, and one side of the movable column (5) which is an inclined plane faces the second circular tube (2).

4. The dual-cartridge sleeve seal arrangement of claim 1, wherein: the limiting assembly comprises a limiting block (6), limiting grooves (14) are formed in the two sides of the sliding groove (13), and the limiting block (6) fixed with the moving column (5) is installed in the limiting grooves (14) in a sliding mode.

5. The dual-cartridge sleeve seal arrangement of claim 1, wherein: the size of first ring channel (11) and sealing ring (3) equals, the size of second ring channel (12) and solid fixed ring (4) equals, first ring channel (11) are located second ring channel (12).

6. The dual-cartridge sleeve seal arrangement of claim 1, wherein: and a sealing film (21) is fixedly arranged at the top of the second round pipe (2).

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