CN217927159U

CN217927159U - Quick-connecting valve

Info

Publication number: CN217927159U
Application number: CN202222133776.3U
Authority: CN
Inventors: 钟洪志
Original assignee: Taizhou Zhenggong Bronze Products Co ltd
Current assignee: Taizhou Zhenggong Bronze Products Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-11-29
Anticipated expiration: 2032-08-12

Abstract

The utility model belongs to the technical field of valves, in particular to a quick-connecting valve; the valve body is provided with a valve cavity, the valve cavity comprises a first inner hole, a second inner hole and a third inner hole, a first step is formed between the second inner hole and the first inner hole, a fourth inner hole is formed in the valve seat, a second step is formed between the third inner hole and the fourth inner hole, one end of a first spring is tightly propped against the first step, the other end of the first spring is tightly propped against the valve core, the valve core is axially limited by the second step, a plurality of steel balls are circumferentially distributed on the valve seat, a movable sleeve is sleeved outside the valve body, the steel balls are radially limited by the movable sleeve and the outer side wall of the valve core, the joint comprises a fifth inner hole and an annular groove positioned on the outer side wall of the joint, one end of the joint is inserted into the fourth inner hole and acts on the valve core to compress the first spring to form a fluid channel between the valve core and the valve body, and the steel balls are radially limited by the annular groove and the inner wall of the movable sleeve; the utility model discloses realize connecting the high-speed joint and the dismantlement of valve body, connect and dismantle the automatic state that reaches the closure of back valve body, safe and reliable.

Description

Quick-connecting valve

The technical field is as follows:

the utility model belongs to the technical field of the valve, refer in particular to a connect valve soon.

Background art:

the valve is a control part in a fluid conveying system and has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting, overflowing, relieving pressure and the like. The gas valve is a novel safety matching device for gas pipeline engineering; the gas valve is used for cutting off, connecting and regulating gas in a pipeline, and has good control characteristics and closing sealing performance; it is suitable for various gas medium pipelines such as city gas, liquefied petroleum gas, natural gas and oxygen. The gas valve disclosed in the Chinese invention patent (publication No. CN 106402423A, published 2017.02.15) comprises a valve body, a valve core and a handle, wherein the valve body comprises a first valve body and a second valve body, the first valve body and the second valve body are butted to form a valve cavity, the valve core is arranged in the valve cavity, a valve rod of the handle is connected with the valve core, and the valve core is driven by swinging to switch the gas valve between on and off. Above-mentioned gas valve need drive the case swing through the handle and make it be in the closed condition when installation and dismantlement, uses inconveniently, if the case is in the open mode, then the safety problem that the gas leaked can appear.

The invention content is as follows:

the utility model aims at providing a quick-connect valve convenient to disassemble and assemble, safe and reliable.

The utility model discloses a realize like this:

a quick-connecting valve comprises a valve body and a joint, wherein a valve cavity is arranged in the valve body in a penetrating manner along the axial direction, the valve cavity comprises a first inner hole, a second inner hole and a third inner hole, the aperture of the second inner hole is larger than the apertures of the first inner hole and the second inner hole, a first step is formed between the second inner hole and the first inner hole, one end of the valve body is connected with a valve seat, a fourth inner hole communicated with the third inner hole is arranged in the valve seat, a second step is formed between the third inner hole and the fourth inner hole, valve cores are arranged in the third inner hole and the fourth inner hole, and a first spring is arranged in the second inner hole, one end of the first spring is tightly pressed on the first step, the other end of the first spring is tightly pressed on the valve element, the valve element is axially limited by the second step, a plurality of radial through holes are circumferentially distributed on the valve seat, steel balls are arranged in each radial through hole, a movable sleeve is sleeved outside the valve body, the steel balls are radially limited by the inner wall of the movable sleeve and the outer side wall of the valve element, the joint comprises a fifth inner hole and an annular groove located on the outer side wall of the joint, one end of the joint is inserted in the fourth inner hole and acts on the valve element to compress the first spring to enable a fluid channel to be formed between the valve element and the valve body, and at the moment, the steel balls are radially limited by the annular groove and the inner wall of the movable sleeve to realize the fixed connection of the joint and the valve seat.

In foretell connect the valve soon, be provided with the boss on the lateral wall of valve body, be formed with the third step between the lateral wall of boss and valve body, the movable sleeve includes sixth hole, seventh hole and eighth hole, the external diameter looks adaptation of sixth hole and boss, form the fourth step between sixth hole and the seventh hole, the one end top of second spring is tight on the third step, and the other end top is tight on the fourth step.

In the quick-connecting valve, the steel ball is radially limited by the hole wall of the eighth inner hole and the outer side wall of the valve core.

In the quick-connecting valve, a limiting convex edge for axially limiting the movable sleeve is arranged at one end of the valve seat, which is connected with the joint.

In the quick-connection valve, the valve core is provided with a first sealing ring for sealing the hole wall of the third inner hole and the outer side wall of the valve core.

In the quick-connection valve, the valve core is provided with a second sealing ring for sealing the hole wall of the fourth inner hole and the outer side wall of the valve core.

In the quick-connection valve, a third sealing ring is arranged between the outer side wall of the valve core and the inner side wall of the valve seat.

Compared with the prior art, the utility model outstanding advantage is:

1. after the joint is separated from the valve seat, the valve core is driven by the first spring to reset to block the valve cavity, so that the effect of automatic closing is achieved, the gas in the pipeline can be effectively prevented from being leaked outwards, and the valve is safe, reliable and convenient to use;

2. the connector of the utility model is connected with the valve seat only by inserting the connector into the fourth inner hole on the valve seat, after the insertion is in place, the steel ball locks the space between the valve seat and the connector, the connection is firm, fast and convenient;

3. the utility model discloses the activity cover compression second spring removes and makes it relieve spacing to the steel ball, and the spring force of first spring acts on the case, makes the case reset and drives to connect and outwards pop out, and it is convenient to dismantle.

Description of the drawings:

FIG. 1 is an exploded view of the present invention;

fig. 2 is a cross-sectional view of the present invention.

In the figure: 1. a valve body; 2. a joint; 3. a first inner bore; 4. a second inner bore; 5. a first step; 6. a valve seat; 7. a fourth inner bore; 8. a second step; 9. a valve core; 10. a first spring; 11. a radial through hole; 12. steel balls; 13. a movable sleeve; 14. a fifth inner bore; 15. an annular groove; 16. a boss; 17. a third step; 18. a sixth inner bore; 19. a seventh inner bore; 20. an eighth inner bore; 21. a fourth step; 22. a second spring; 23. a limiting convex edge; 24. a first seal ring; 25. a second seal ring; 26. and a third sealing ring.

The specific implementation mode is as follows:

the invention will now be further described with reference to specific embodiments, with reference to figures 1-2:

the utility model provides a connect valve soon, including valve body 1, joint 2, it is provided with the valve pocket to link up along the axial in the valve body 1, the valve pocket includes first hole 3, second hole 4 and third hole, the aperture of second hole 4 is greater than the aperture of first hole 3, second hole 4, is formed with first step 5 between second hole 4 and the first hole 3, is connected with disk seat 6 in the one end of valve body 1, be provided with the fourth hole 7 with third hole intercommunication in the disk seat 6, be formed with second step 8 between third hole and the fourth hole 7 be provided with case 9 in third hole, the fourth hole 7, be provided with first spring 10 in the second hole 4, the one end top of first spring 10 is tightly on first step 5, the other end top is tightly on case 9, case 9 is spacing by second step 8 axial, and at this moment, this soon connect the valve to be in the closed condition, block the valve pocket through case 9. Furthermore, a plurality of radial through holes 11 are circumferentially distributed on the valve seat 6, a steel ball 12 is arranged in each radial through hole 11, a movable sleeve 13 is sleeved outside the valve body 1, and the steel ball 12 is radially limited by the inner wall of the movable sleeve 13 and the outer side wall of the valve core 9. The joint 2 comprises a fifth inner hole 14 and an annular groove 15 positioned on the outer side wall of the joint 2, one end of the joint 2 is inserted into the fourth inner hole 7 and acts on the valve core 9 to compress the first spring 10 so as to form a fluid channel between the valve core 9 and the valve body 1, and at the moment, the steel ball 12 is radially limited by the annular groove 15 and the inner wall of the movable sleeve 13 to realize the fixed connection of the joint 2 and the valve seat 6.

When the connector 2 and the valve body 1 are in a separated state, the valve core 9 is positioned in the third inner hole and the fourth inner hole 7 by the spring force action of the first spring 10 to block the valve cavity, at the moment, even if the valve body 1 is connected to a gas pipeline, gas in the gas pipeline cannot be leaked outwards, and therefore the effect that the pipeline can be automatically closed after the connector is pulled out is achieved, and safety and reliability are achieved.

When the connector 2 is inserted on the valve seat 6, the steel balls 12 fall into the annular groove 15 to realize the fixed connection of the connector 2 and the valve seat 6, the valve core 9 is jacked open, a fluid channel is formed between the valve core 9 and the valve body 1, and the fuel gas in the fuel gas pipeline is conveyed to corresponding equipment through the fluid channel and a fifth inner hole 14 in the connector 2.

Therefore, the utility model discloses a dismouting is very convenient.

Further, a boss 16 is arranged on the outer side wall of the valve body 1, a third step 17 is formed between the boss 16 and the outer side wall of the valve body 1, the movable sleeve 13 comprises a sixth inner hole 18, a seventh inner hole 19 and an eighth inner hole 20, the sixth inner hole 18 is matched with the outer diameter of the boss 16, a fourth step 21 is formed between the sixth inner hole 18 and the seventh inner hole 19, one end of a second spring 22 is tightly propped against the third step 17, the other end of the second spring is tightly propped against the fourth step 21, and the movable sleeve 13 is propped against the direction of the joint 2. And a limiting convex edge 23 for axially limiting the movable sleeve 13 is arranged at one end of the valve seat connected with the joint 2, and is positioned at the position for limiting the movable sleeve to be ejected.

When the connector 2 is not connected with the valve seat, the steel ball 12 is limited radially by the hole wall of the eighth inner hole 20 and the outer side wall of the valve core 9.

When the joint 2 is connected with the valve seat, the steel ball 12 is limited radially by the annular groove 15 and the hole wall of the seventh inner hole 19 of the movable sleeve 13.

In order to improve the sealing effect, the utility model discloses be provided with the first sealing washer 24 that is used for sealed third hole pore wall and case 9 lateral wall on the case 9. And a second sealing ring 25 for sealing the hole wall of the fourth inner hole 7 and the outer side wall of the valve core 9 is arranged on the valve core 9. And a third sealing ring 26 is arranged between the outer side wall of the valve core 9 and the inner side wall of the valve seat.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. A connect valve soon which characterized in that: the valve comprises a valve body (1) and a joint (2), a valve cavity is arranged in the valve body (1) in a penetrating manner along the axial direction, the valve cavity comprises a first inner hole (3), a second inner hole (4) and a third inner hole, the aperture of the second inner hole (4) is larger than that of the first inner hole (3) and that of the second inner hole (4), a first step (5) is formed between the second inner hole (4) and the first inner hole (3), a valve seat (6) is connected to one end of the valve body (1), a fourth inner hole (7) communicated with the third inner hole is arranged in the valve seat (6), a second step (8) is formed between the third inner hole and the fourth inner hole (7), a valve core (9) is arranged in the third inner hole and the fourth inner hole (7), a first spring (10) is arranged in the second inner hole (4), one end of the first spring (10) is tightly propped against the first step (5), the other end of the first spring is tightly propped against the valve core (9), the valve core (9) is sleeved with a plurality of radial through holes (11) in the valve body (9), and a plurality of radial through holes (13) are arranged in the valve core (9) and a plurality of radial direction, the valve body (13) is sleeved on the radial direction, the outer wall (13) and a plurality of the valve core (13) is arranged in the valve core (13) and a plurality of the valve core (13) is arranged in the valve body (13), the joint (2) comprises a fifth inner hole (14) and an annular groove (15) located on the outer side wall of the joint (2), one end of the joint (2) is inserted into the fourth inner hole (7) and acts on the valve core (9) to compress the first spring (10) so that a fluid channel is formed between the valve core (9) and the valve body (1), and at the moment, the steel ball (12) is radially limited by the annular groove (15) and the inner wall of the movable sleeve (13) to realize the fixed connection of the joint (2) and the valve seat (6).

2. A quick connect valve as defined in claim 1, wherein: be provided with boss (16) on the lateral wall of valve body (1), be formed with third step (17) between the lateral wall of boss (16) and valve body (1), movable sleeve (13) include sixth hole (18), seventh hole (19) and eighth hole (20), sixth hole (18) and the external diameter looks adaptation of boss (16), form fourth step (21) between sixth hole (18) and seventh hole (19), the one end top of second spring (22) is tight on third step (17), and the other end top is tight on fourth step (21).

3. A quick connect valve as defined in claim 2, wherein: the steel ball (12) is limited by the hole wall of the eighth inner hole (20) and the outer side wall of the valve core (9) in the radial direction.

4. A quick connect valve as defined in claim 2, wherein: and a limiting convex edge (23) for axially limiting the movable sleeve (13) is arranged at one end of the valve seat (6) connected with the joint (2).

5. A quick connect valve as defined in claim 1, wherein: and a first sealing ring (24) used for sealing the hole wall of the third inner hole and the outer side wall of the valve core (9) is arranged on the valve core (9).

6. A quick connect valve as defined in claim 1, wherein: and a second sealing ring (25) for sealing the hole wall of the fourth inner hole (7) and the outer side wall of the valve core (9) is arranged on the valve core (9).

7. A quick connect valve as defined in claim 1, wherein: and a third sealing ring (26) is arranged between the outer side wall of the valve core (9) and the inner side wall of the valve seat (6).