CN216201469U - High-safety quick joint - Google Patents

Abstract

The utility model discloses a high-safety quick connector which comprises a quick connector body, a hoop and an elastic piece, wherein the quick connector body comprises a central pipe and at least two spring bolts arranged on the central pipe; the hoop can be sleeved on the central pipe in a sliding manner; the elastic piece is arranged on the central pipe, the elastic piece is connected with or abutted against the hoop, and the elastic piece drives the hoop to surround all the spring bolts. Due to the arrangement of the elastic piece, the elastic piece drives the hoop to move to a position close to the spring bolt under the natural state. Under the connection state of the quick connector and the loading and unloading port, the part of the spring bolt extending out of the central tube is parallel to the central tube, the hoop can be sleeved on all the spring bolts under the driving of the elastic piece, and when the spring bolts start to be loosened accidentally, the hoop clamps all the spring bolts to prevent the spring bolts from being loosened continuously. The elastic piece automatically drives the hoop to sleeve all the spring bolts in the working state without human intervention, and the safety is very high.

Description

High-safety quick joint

Technical Field

The utility model relates to the technical field of pipeline transportation, in particular to a high-safety quick connector.

Background

The fast connector for oil filling riser is used for assembling and disassembling the fast connection between oil filling riser and tank car interface and can realize the connection or disconnection of pipeline without tool. The crane pipe quick joint is generally applied to low-temperature gas such as liquid ammonia, liquid nitrogen and the like, tank truck unloading, crane pipe gas-phase and liquid-phase pipelines and the like.

At present, liquefied gas vehicle loading and unloading operations in petrochemical enterprises all use metal universal filling pipelines, the metal universal filling pipelines generally comprise loading and unloading crane pipes, emergency breaking valves and quick connectors, the emergency breaking valves are arranged between the loading and unloading crane pipes and the quick connectors, and the quick connectors are connected with loading and unloading ports of liquefied gas vehicles; the quick connector is composed of a central connecting pipe and spring pins arranged on two sides of the central connecting pipe, the quick connector is connected with the automobile loading and unloading port through the central connecting pipe, and the whole quick connector is fixed on the automobile loading and unloading port through the spring pins arranged on two sides of the quick connector. Because the quick-operation joint only depends on the spring catch to be fixed in on the car loading and unloading mouth, and the condition that the spring catch appears becoming flexible easily, can't play firm effect, consequently, when loading and unloading oil filling riser receives the rated external force of exceeding operating system or takes place the skew, the filling pipe is very easily loosened in quick-operation joint department, leads to liquefied gas to take place to leak.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a high-safety quick connector which can effectively avoid the occurrence of leakage events.

The high-safety quick connector comprises a quick connector body, a hoop and an elastic piece, wherein the quick connector body comprises a central pipe and at least two spring bolts arranged on the central pipe; the hoop is sleeved on the central pipe in a sliding manner; the elastic piece is arranged on the central pipe, the elastic piece is connected with or abutted against the hoop, and the elastic piece drives the hoop to sleeve all the spring bolts.

The high-safety quick connector provided by the embodiment of the utility model at least has the following beneficial effects: when the quick connector needs to be disassembled or assembled, the hoop is manually driven to be away from the spring bolt, the hoop is prevented from interfering the spring bolt, and the spring bolt can be conveniently and quickly operated. Due to the arrangement of the elastic piece, the elastic piece drives the hoop to move to a position close to the spring bolt under the natural state. When the quick connector is connected with the assembling and disassembling port, namely when the spring bolt works, the part of the spring bolt extending out of the central tube is parallel to the central tube, the hoop can be sleeved on all the spring bolts under the driving of the elastic piece, and when the spring bolt starts to be accidentally loosened, the hoop can clamp all the spring bolts, so that the spring bolts are prevented from being continuously loosened. The elastic piece automatically drives the hoop to sleeve all the spring bolts in the working state without human intervention, and the safety is very high.

According to some embodiments of the utility model, the ferrule is coaxial with the central tube.

According to some embodiments of the utility model, the outer surface of the central tube is provided with a supporting protrusion, and the hoop is slidably sleeved on the supporting protrusion.

According to some embodiments of the utility model, the central tube is screwed with an adjusting ring, one end of the elastic member is connected with or abutted against an end surface of the adjusting ring, and one end of the elastic member is connected with or abutted against an end surface of the hoop.

According to some embodiments of the utility model, the resilient member is a spring, the resilient member being sleeved over the central tube.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a high-safety quick coupling according to an embodiment of the present invention in a partial cross-sectional view in an operating state;

fig. 2 is a schematic structural view of the high-safety quick coupling shown in fig. 1 in a non-operating state.

Reference numerals:

the central pipe 100, the support protrusion 110, the adjusting ring 120, the spring bolt 200, the band 300, and the elastic member 400.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to the orientation description, such as the directions of up, down, front, rear, left, right, etc., may be based on those shown in the drawings, only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 2, the present invention discloses a high safety quick coupling, which comprises a quick coupling body, a band 300 and an elastic member 400, wherein the quick coupling body comprises a central tube 100 and at least two spring latches 200 arranged on the central tube 100; the ferrule 300 is slidably fitted over the central tube 100; the elastic member 400 is disposed on the central tube 100, the elastic member 400 is connected to or abutted against the ferrule 300, and the elastic member 400 drives the ferrule 300 to cover all the spring latches 200.

When the quick connector needs to be disassembled or assembled, the ferrule 300 is manually driven to be far away from the spring bolt 200, so that the ferrule 300 is prevented from interfering with the spring bolt 200, and the spring bolt 200 can be conveniently and quickly operated. Due to the arrangement of the elastic member 400, the elastic member 400 urges the ferrule 300 to move to a position close to the latch 200 in a natural state of the elastic member 400. When the quick connector is connected with the loading and unloading port, that is, when the spring bolt 200 works, the part of the spring bolt 200 extending out of the central tube 100 is parallel to the central tube 100, the hoop 300 can be sleeved on all the spring bolts 200 under the driving of the elastic member 400, and when the spring bolts 200 start to be accidentally released, the hoop 300 will hoop all the spring bolts 200, so as to prevent the spring bolts 200 from being continuously released. Without human intervention, the elastic member 400 automatically drives the ferrule 300 to cover all the spring latches 200 in the working state, and the safety is very high.

It will be appreciated that the spring latches 200 and the resilient members 400 are disposed at opposite ends of the center tube 100, and the band 300 is disposed at a middle portion of the center tube 100. The number of the spring bolts 200 is two, and the two spring bolts 200 are arranged with the central axis of the central tube 100 as the symmetrical center.

In some embodiments of the present invention, the hoop 300 is coaxial with the central tube 100, the spring pins 200 are disposed on the outer surface of the central tube 100, and the structures of all the spring pins 200 are identical, the distance from the outermost edge region of all the spring pins 200 to the central axis of the central tube 100 is the largest, and the distance is used as a diameter to make a circle, and the central tube 100 and the hoop 300 are both coaxial with the circle, and the diameter of the circle is used as the minimum inner diameter of the hoop 300, so that the size of the hoop 300 can be minimized, and the hoop 300 can be ensured to be sleeved on all the spring pins 200 when moving. And the band 300 is coaxial with the central tube 100, the band 300 can be easily and quickly moved to fit the band 300 over all the spring bolts 200.

In some embodiments of the present invention, the supporting protrusion 110 is disposed on the outer surface of the central tube 100, the hoop 300 is slidably sleeved on the supporting protrusion 110, and the supporting protrusion 110 supports and limits the hoop 300, so as to ensure that the central tube 100 is coaxial with the hoop 300, and when the hoop 300 is moved, the hoop 300 can be sleeved on all the spring latches 200 without an additional action to adjust the central tube 100 to be coaxial with the hoop 300.

In some embodiments of the present invention, the adjusting ring 120 is screwed on the central tube 100, one end of the elastic member 400 is connected to or abutted against the end surface of the adjusting ring 120, and one end of the elastic member 400 is connected to or abutted against the end surface of the ferrule 300. Elastic component 400 is located between band 300 and adjustable ring 120, adjust the position of adjustable ring 120 on center tube 100 through rotatory adjustable ring 120, in order to realize the position control of elastic component 400 on center tube 100, adjustable ring 120 moves towards the direction that is close to spring bolt 200, elastic component 400 and band 300 also move towards spring bolt 200's direction, guarantee that band 300 can whole cover on spring bolt 200, adjustable ring 120 is in a suitable position, guarantee that band 300 can whole cover the colleague on spring bolt 200, it can make band 300 keep away from spring bolt 200 still to need too big power compression elastic component 400.

In some embodiments of the present invention, the elastic member 400 is a spring, and the elastic member 400 is sleeved on the central tube 100. The spring is a common component, and is easy to install and high in reliability.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (5)

1. Quick-operation joint of high security, its characterized in that includes:

the quick connector comprises a quick connector body, a quick connector body and a quick connector, wherein the quick connector body comprises a central pipe and at least two spring bolts arranged on the central pipe;

a ferrule slidably sleeved over the center tube;

the elastic piece is arranged on the central pipe, the elastic piece is connected with or abutted against the hoop, and the elastic piece drives the hoop to sleeve all the spring bolts.

2. The high security quick connector of claim 1, wherein: the ferrule is coaxial with the central tube.

3. The high security quick connector of claim 2, wherein: the outer surface of the central tube is provided with a supporting bulge, and the hoop can be sleeved on the supporting bulge in a sliding manner.

4. The high security quick connector of claim 1, wherein: the center tube is connected with an adjusting ring in a threaded mode, one end of the elastic piece is connected with or abutted to the end face of the adjusting ring, and one end of the elastic piece is connected with or abutted to the end face of the hoop.

5. The high security quick connector of claim 4, wherein: the elastic piece is a spring, and the elastic piece is sleeved on the central pipe.

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