CN217402022U - High-pressure quick inflation connector - Google Patents

Abstract

The utility model relates to a high-pressure quick inflation connector, which comprises a male connector, wherein one end of the male connector is connected with a female connector; female joint includes the female joint barrel, transversely run through the female joint hole in the female joint barrel, slidable mounting switching shaft in the female joint barrel, the switching shaft divide into the sealed section and the section of ventilating, it establishes the switching gas pocket to bore in the section of ventilating, it is located switching shaft middle part periphery to switch the gas pocket air inlet, it is located switching shaft right-hand member face to switch the gas pocket gas outlet, it is equipped with the sealed face of switching shaft to switch gas pocket gas outlet periphery, be equipped with first seal structure between sealed section and the female joint barrel, it is equipped with second seal structure to ventilate between section and the female joint barrel, be equipped with the switching spring between switching shaft and the female joint barrel axial, the steel ball cover is established to the external slip cap of female joint barrel, radial slip is equipped with the steel ball in the female joint barrel. The utility model has simple structure, simple operation and reliable connection; the bearing pressure is high; the automatic cut-off function is provided, and gas is prevented from leaking outwards.

Description

High-pressure quick inflation connector

Technical Field

The utility model belongs to the technical field of gas-filled joint, a high pressure quick gas-filled joint is related to.

Background

At present, the connection joint applied to high-pressure gas delivery is mostly a common mechanical screwing type sealing connection joint. This type of connector does not possess the automatic cutout function, can't prevent that gas from outwards revealing. When the device is connected with other equipment and is loosened, a wrench tool is needed and the device is time-consuming.

Disclosure of Invention

An object of the utility model is to provide a high pressure quick inflation connects can solve the adapter and do not possess the automatic cutout function, can't prevent the gaseous problem of outwards revealing.

According to the utility model provides a technical scheme: a high-pressure quick inflation connector comprises a male connector, wherein one end of the male connector is connected with a female connector; the female joint comprises a female joint barrel, a female joint hole transversely penetrates through the female joint barrel, a switching shaft is slidably mounted in the female joint barrel and is divided into a sealing section and a ventilation section, a switching air hole is drilled in the ventilation section, an air inlet of the switching air hole is positioned on the periphery of the middle part of the switching shaft, an air outlet of the switching air hole is positioned on the right end surface of the switching shaft, a sealing surface of the switching shaft is arranged on the periphery of the air outlet of the switching air hole, a first sealing structure is arranged between the sealing section and the female joint barrel, a second sealing structure is arranged between the ventilation section and the female joint barrel, a switching spring is arranged between the switching shaft and the female joint barrel in the axial direction, a steel ball sleeve is slidably sleeved outside the female joint barrel, a steel ball is arranged in the female joint barrel in a radial sliding mode, and a spring is arranged between the female joint barrel and the steel ball sleeve in the axial direction; the male joint is transversely penetrated through a male joint hole, a male joint sealing surface matched with the switching shaft sealing surface is arranged at the left end of the male joint hole, and a steel ball clamping ring groove is formed in the periphery of the male joint.

As a further improvement of the utility model, the female joint cylinder body adopts a split structure and comprises a female joint first cylinder body which is connected with a female joint second cylinder body; a first barrel hole of the female joint transversely penetrates through the first barrel of the female joint, and a connecting screw hole is formed in the right side of the first barrel hole of the female joint; a female joint second cylinder hole transversely penetrates through the female joint second cylinder, the periphery of the left end of the female joint second cylinder is provided with a connecting external thread, and the female joint first cylinder hole and the female joint second cylinder hole form a female joint hole.

As the utility model discloses a further improvement, the switching axle includes the axis body, axis body right-hand member threaded connection bulb, and the axis body left end is the airtight section, and the axis body right-hand member is for ventilating the section, bores in the axis body right-hand member and establishes the switching gas pocket, switches the gas pocket air inlet and is located the axis body periphery, switches the gas pocket gas outlet and switches the axle seal face and is located the bulb right-hand member face.

As the utility model discloses a further improvement, first seal structure includes first fixed sealing member and first movable sealing member, and both are equipped with the sealed face of adaptation, and first fixed sealing member is installed in the female joint barrel, and first movable sealing member installs in axis body left end periphery.

As a further improvement of the utility model, the first fixed sealing element comprises a sealing seat, a sealing installation groove is arranged in the first barrel of the female joint, the sealing installation groove is positioned on the left side of the connecting screw hole, the sealing seat is arranged in the sealing installation groove, the right end of the sealing seat is abutted against the left end face of the second barrel of the female joint, and a sealing ring is sleeved in the sealing seat; the first movable sealing element is a sealing cap, and the sealing cap is installed at the left end part of the shaft body in a threaded mode; the sealing cap and the sealing ring are provided with adaptive sealing surfaces.

As a further improvement of the utility model, the sealing ring is made of tetrafluoroethylene material, and the sealing seat is made of copper.

As a further improvement of the utility model, the second sealing structure comprises a sealing ring gasket, and the sealing ring gasket is positioned between the periphery of the ventilation section and the inner wall of the second cylinder body of the female joint; a separating cylinder is arranged between the switching spring and the sealing ring gasket.

As a further improvement of the utility model, a shaft body convex ring is arranged on the periphery of the right end of the shaft body; the left end of the switching spring is abutted against the sealing seat, and the right end of the switching spring is abutted against the left side of the shaft body convex ring.

As a further improvement, the inner periphery of the steel ball sleeve is provided with a steel ball sleeve boss, and the outer periphery of the female joint second cylinder body is provided with a limit boss.

As a further improvement, the left end of the spring is propped against the right end part of the first barrel of the female joint, and the right end is propped against the left side of the boss of the steel ball sleeve, and the washer is installed on the right end of the spring.

The positive progress effect of this application lies in:

the utility model has simple structure, simple operation and reliable connection; the bearing pressure is high; the automatic cut-off function is provided, and gas is prevented from leaking outwards.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the first cylinder of the female joint of the present invention.

Fig. 3 is a schematic structural diagram of the shaft body of the present invention.

Fig. 4 is a schematic structural view of the steel ball tube of the present invention.

Fig. 5 is a schematic structural view of the second cylinder of the female joint of the present invention.

Fig. 6 is a schematic structural view of the male connector of the present invention.

Fig. 7 is a schematic structural view of the present invention in the ventilating state.

Detailed Description

It should be noted that, in case of conflict, the embodiments and features of the embodiments of the present invention may be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the technical solution of the present invention better understood, the technical solution of 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, 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 efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged as appropriate in order to facilitate the embodiments of the invention described herein. Furthermore, "including" and "having," and like terms, mean that "including" and "having," in addition to those already recited in "including" and "having," other content not already recited in the list; for example, a process, method, system, article, or apparatus that may comprise a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus.

In the following description of the embodiment, the coordinates refer to fig. 1, where the direction from the inside of the vertical paper in fig. 1 is taken as the front, the direction from the outside of the vertical paper in fig. 1 is taken as the rear, the left-right direction in fig. 1 is taken as the left-right direction, and the up-down direction in fig. 1 is taken as the up-down direction.

In fig. 1-7, the device comprises a first female joint cylinder 1, a sealing cap 2, a shaft body 3, a sealing ring 4, a sealing seat 5, a switching spring 6, a separating cylinder 7, a sealing ring gasket 8, a spring 9, a ball head 10, a steel ball 11, a steel ball cylinder 12, a second female joint cylinder 13, a gasket 14, a male joint 15, and the like.

As shown in figure 1, the utility model relates to a high pressure quick inflation connects, including male joint 15, female joint is connected to male joint 15 one end.

The female joint comprises a female joint barrel, a female joint hole transversely penetrates through the female joint barrel, a switching shaft is slidably mounted in the female joint barrel and is divided into a sealing section 3-1 and an air ventilation section 3-2, a switching air hole 3-3 is drilled in the air ventilation section 3-2, an air inlet of the switching air hole is located in the periphery of the middle of the switching shaft, an air outlet of the switching air hole is located in the right end face of the switching shaft, a sealing surface of the switching shaft is arranged on the periphery of the air outlet of the switching air hole, a first sealing structure is arranged between the sealing section and the female joint barrel, a second sealing structure is arranged between the air ventilation section 3-2 and the female joint barrel, a switching spring 6 is arranged between the switching shaft and the female joint barrel in the axial direction, a steel ball sleeve 12 is sleeved outside the female joint barrel in a sliding mode, a steel ball 11 is arranged in the female joint barrel in a radial sliding mode, and a spring 9 is arranged between the female joint barrel and the steel ball sleeve 12 in the axial direction.

As shown in FIG. 6, a male joint hole 15-1 transversely penetrates through the male joint 15, a male joint sealing surface 15-2 matched with the switching shaft sealing surface is arranged at the left end of the male joint hole 15-1, and a steel ball clamping ring groove 15-3 is formed in the periphery of the male joint 15. The other end of the male joint hole 15-1 is provided with taper pipe threads for connecting equipment needing inflation.

The female joint barrel adopts a split structure and comprises a female joint first barrel 1, and the female joint first barrel 1 is connected with a female joint second barrel 13.

As shown in figure 2, a first barrel hole 1-1 of the female joint transversely penetrates through the first barrel 1 of the female joint, and a connecting screw hole 1-2 is arranged on the right side of the first barrel hole 1-1 of the female joint and is used for being in threaded connection with a second barrel 13 of the female joint.

As shown in fig. 5, a second cylinder hole 13-1 of the female joint transversely penetrates through the second cylinder 13 of the female joint, and a connecting external thread is arranged on the periphery of the left end of the second cylinder 13 of the female joint and is used for being in threaded connection with the right end of the first cylinder 1 of the female joint. The female joint first cylinder hole 1-1 and the female joint second cylinder hole 13-1 constitute a female joint hole.

As shown in fig. 3, the switching shaft includes a shaft body 3, a right end of the shaft body 3 is in threaded connection with the ball head 10, a left end of the shaft body 3 is a sealed section 3-1, a right end of the shaft body 3 is an air-permeable section 3-2, a switching air hole 3-3 is drilled in the right end of the shaft body 3, an air inlet of the switching air hole is located on the periphery of the shaft body 3, and an air outlet of the switching air hole and a sealing surface of the switching shaft are located on the right end surface of the ball head 10. The ball 10 slides in the female joint hole.

First seal structure includes first fixed seal and first movable seal, and both are equipped with the sealed face of adaptation, and first fixed seal installs in the box joint barrel, and first movable seal installs in the 3 left end peripheries of axis body.

The first fixed sealing element comprises a sealing seat 5, a sealing installation groove 1-3 is formed in a first barrel body 1 of the female joint, the sealing installation groove 1-3 is located on the left side of a connecting screw hole 1-2, the sealing seat 5 is installed in the sealing installation groove 1-3, the right end of the sealing seat 5 abuts against the left end face of a second barrel body 13 of the female joint, and a sealing ring 4 is sleeved in the sealing seat 5. First movable sealing element is sealed cap 2, and the threaded mounting of sealed cap 2 is at 3 left end portions of axis body. The sealing cap 2 and the sealing ring 4 are provided with adaptive sealing surfaces.

The sealing ring 4 is made of tetrafluoroethylene material, and the sealing seat 5 is made of copper.

The second sealing structure comprises a sealing ring gasket 8, and the sealing ring gasket 8 is positioned between the periphery of the ventilation section 3-2 and the inner wall of the female joint second cylinder 13.

A shaft body convex ring 3-4 is arranged on the periphery of the right end of the shaft body 3; the left end of the switching spring 6 is abutted against the sealing seat 5, the right end of the switching spring is abutted against the left side of the shaft body convex ring 3-4, the shaft body 3 is provided with right pre-tightening force, the first fixed sealing element is attached to the first movable sealing element, the first sealing structure is in a sealing state, and in a normal state, gas enters from the left port of the female joint hole and then is blocked by the first sealing structure, and cannot enter the male joint 15.

In order to avoid that the switching spring 6 influences the sealing performance of the switching shaft and the female joint second cylinder 13 during operation, a separating cylinder 7 is arranged between the switching spring 6 and the sealing ring gasket 8.

As shown in figure 4, a steel ball sleeve boss 12-1 is arranged on the inner periphery of the steel ball sleeve 12, a limiting boss 13-2 is arranged on the outer periphery of the female joint second cylinder 13, and when the steel ball sleeve 12 moves rightwards, the steel ball sleeve boss 12-1 contacts with the limiting boss 13-2 to prevent the steel ball sleeve 12 from moving rightwards and sliding out.

The left end of the spring 9 props against the right end part of the first cylinder 1 of the female joint, the right end props against the left side of a boss 12-1 of the steel ball sleeve, so that the steel ball sleeve 12 has right pretightening force, the boss 12-1 of the steel ball sleeve is positioned on the periphery of the steel ball 11, part of the steel ball 11 is pushed into a hole 13-1 of the second cylinder of the female joint, the male joint 15 is blocked, the sealing surface of the switching shaft cannot be attached to the sealing surface 15-2 of the male joint, and gas cannot penetrate into the male joint 15.

In order to enlarge the contact area of the end surface of one side spring 9 and prevent the spring 9 from moving to cause clamping stagnation, a gasket 14 is arranged at the right end of the spring 9.

The working principle is as follows:

the high-pressure quick inflation joint comprises a connecting action part and a releasing action part.

As shown in fig. 7, the connection action: the steel ball barrel 12 is pulled to move towards the left side, so that the spring 9 is compressed, the gasket 14 moves towards the left side, and the pulling is kept not to be loosened; inserting the male joint 15 into the female joint second cylinder 13 towards the left side, so that the front section conical surface of the male joint 15 is contacted with the sealing surface of the switching shaft; continuing to insert the male connector 15 leftwards, compressing the switching spring 6, pushing the ball head 10, the separating cylinder 7, the sealing ring gasket 8, the shaft body 3 and the sealing cap 2 to move leftwards until the steel ball 11 falls into the steel ball clamping ring groove 15-3 of the male connector 15, and at the moment, extending the air inlet of the switching air hole out of the sealing ring 4; and (3) loosening the steel ball barrel 12, and enabling the sealing surface of the switching shaft to be attached to the sealing surface 15-2 of the male joint by the spring force compressed by the switching spring 6 to form a sealing mechanism so as to finish the connection action of the high-pressure quick inflation joint. After the connection is finished, high-pressure gas passes through a gap between the sealing cap 2 and the sealing ring 4 from a cavity on the left side of the female joint, passes through a gas inlet of a vent hole on the shaft body 3 and enters the switching gas hole; most of the gas passes through the switching gas hole into the internal bore of the male connector 15. A small part of gas enters between the female joint cylinder body and the sealing ring gasket 8, so that the sealing ring gasket 8 is expanded to cling to the inner wall of the female joint second cylinder body 13 and the outer wall of the separation cylinder 7, and the small part cannot be leaked rightwards. Meanwhile, a small part pushes the separating cylinder 7, the shaft body 3 and the ball head 10 backwards, so that the sealing surface of the switching shaft and the inclined surface of the male joint 15 are sealed more tightly, and gas cannot leak outwards from the contact surface. The joint 1, the sealing seat 5 and the female joint second cylinder 13 are mutually locked through threads, so that gas in a left cavity and a middle cavity cannot leak from the middle.

Loosening action: the steel ball barrel 12 is pulled to move to the left side, so that the spring 9 is compressed, the gasket 14 moves leftwards, the steel ball sleeve boss 12-1 leaves the steel ball 11, and the steel ball sleeve boss is kept pulled to be not loosened; the female joint moves towards the left side, the steel ball 11 moves outwards in the radial direction, the steel ball is separated from the steel ball clamping ring groove 15-3, the male joint and the female joint are automatically separated, and the steel ball barrel 12 is loosened. The compressed switching spring 6 recovers a distance, so that the ball head 10, the separating cylinder 7, the sealing ring gasket 8, the shaft body 3 and the sealing cap 2 move towards the right side, and the sealing cap 2 is attached and sealed with the sealing ring 4 by the residual spring force. So far, the loosening action is completed, the middle cavity of the female joint is isolated from the left cavity, and gas cannot flow through the middle cavity.

It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims (10)

1. The high-pressure quick inflation connector is characterized by comprising a male connector (15), wherein one end of the male connector (15) is connected with a female connector; the female joint comprises a female joint barrel, a female joint hole transversely penetrates through the female joint barrel, a switching shaft is slidably mounted in the female joint barrel and is divided into a sealing section (3-1) and an air-ventilating section (3-2), a switching air hole (3-3) is drilled in the air-ventilating section (3-2), an air inlet of the switching air hole is positioned on the periphery of the middle part of the switching shaft, an air outlet of the switching air hole is positioned on the right end surface of the switching shaft, a sealing surface of the switching shaft is arranged on the periphery of the air outlet of the switching air hole, a first sealing structure is arranged between the sealing section and the female joint barrel, a second sealing structure is arranged between the air-ventilating section (3-2) and the female joint barrel, a switching spring (6) is arranged between the switching shaft and the female joint barrel in the axial direction, a steel ball sleeve (12) is sleeved outside the female joint barrel in a sliding mode, a steel ball (11) is arranged in the female joint barrel in a radial sliding mode, and a spring (9) is arranged between the female joint barrel and the steel ball sleeve (12) in the axial direction; a male joint hole (15-1) transversely penetrates through the male joint (15), a male joint sealing surface (15-2) matched with the switching shaft sealing surface is arranged at the left end of the male joint hole (15-1), and a steel ball clamping ring groove (15-3) is formed in the periphery of the male joint (15).

2. The high-pressure quick inflation joint as claimed in claim 1, wherein the female joint cylinder body is of a split structure and comprises a female joint first cylinder body (1), and the female joint first cylinder body (1) is connected with a female joint second cylinder body (13); a first cylinder hole (1-1) of the female joint transversely penetrates through the first cylinder (1) of the female joint, and a connecting screw hole (1-2) is formed in the right side of the first cylinder hole (1-1) of the female joint; a female joint second cylinder hole (13-1) transversely penetrates through the female joint second cylinder (13), the periphery of the left end of the female joint second cylinder (13) is provided with a connecting external thread, and the female joint first cylinder hole (1-1) and the female joint second cylinder hole (13-1) form a female joint hole.

3. The high-pressure quick inflation joint according to claim 2, wherein the switching shaft comprises a shaft body (3), the right end of the shaft body (3) is in threaded connection with the ball head (10), the left end of the shaft body (3) is a sealed section (3-1), the right end of the shaft body (3) is an air-permeable section (3-2), the right end of the shaft body (3) is drilled with a switching air hole (3-3), the air inlet of the switching air hole is located at the periphery of the shaft body (3), and the air outlet of the switching air hole and the sealing surface of the switching shaft are located at the right end surface of the ball head (10).

4. A high-pressure quick-inflation joint according to claim 3, wherein the first seal structure comprises a first fixed seal member and a first movable seal member, both of which are provided with adapted seal surfaces, the first fixed seal member being installed in the box cylinder, the first movable seal member being installed on the outer periphery of the left end of the shaft body (3).

5. The high-pressure quick inflation joint according to claim 4, wherein the first fixed sealing element comprises a sealing seat (5), a sealing installation groove (1-3) is formed in the first cylinder (1) of the female joint, the sealing installation groove (1-3) is positioned on the left side of the connecting screw hole (1-2), the sealing seat (5) is installed in the sealing installation groove (1-3), the right end of the sealing seat (5) abuts against the left end face of the second cylinder (13) of the female joint, and a sealing ring (4) is sleeved in the sealing seat (5); the first movable sealing element is a sealing cap (2), and the sealing cap (2) is installed at the left end part of the shaft body (3) in a threaded mode; the sealing cap (2) and the sealing ring (4) are provided with adaptive sealing surfaces.

6. A high-pressure quick-acting joint according to claim 5, wherein the sealing ring (4) is made of tetrafluoroethylene and the sealing seat (5) is made of copper.

7. A high pressure quick inflation joint as claimed in claim 3, wherein the second sealing structure comprises a sealing ring gasket (8), the sealing ring gasket (8) is located between the periphery of the venting section (3-2) and the inner wall of the second cylinder (13) of the female joint; a separation cylinder (7) is arranged between the switching spring (6) and the sealing ring gasket (8).

8. The high-pressure quick inflation joint according to claim 3, wherein the shaft body (3) is provided with a shaft body convex ring (3-4) at the periphery of the right end thereof; the left end of the switching spring (6) is propped against the sealing seat (5), and the right end is propped against the left side of the shaft body convex ring (3-4).

9. A high-pressure quick-acting air-charging connector as claimed in claim 3, characterized in that the inner periphery of the steel ball sleeve (12) is provided with a steel ball sleeve boss (12-1), and the outer periphery of the second cylinder (13) of the female connector is provided with a limit boss (13-2).

10. The high-pressure quick inflation joint as claimed in claim 9, wherein the left end of the spring (9) abuts against the right end of the first cylinder (1) of the female joint, the right end abuts against the left side of the steel ball sleeve boss (12-1), and the right end of the spring (9) is provided with the washer (14).

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