CN211231625U

CN211231625U - Prevent repeated filling valve

Info

Publication number: CN211231625U
Application number: CN201921635434.3U
Authority: CN
Inventors: 朱妙法
Original assignee: Yongkang Yingpeng Chemical Machinery Co ltd
Current assignee: Yongkang Yingpeng Chemical Machinery Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-08-11
Anticipated expiration: 2029-09-26

Abstract

The utility model relates to a prevent repeated filling dress valve, including valve body, valve rod, valve body and valve rod fixed mounting, be provided with the business turn over gas port on the valve body, the valve body is provided with the internal thread, the both ends of valve rod are provided with sealed head and handheld portion, handheld portion is located the valve body outside, sealed head sets up in the valve body, the below of handheld portion is provided with connecting portion, be provided with the external screw thread on the connecting portion, connecting portion with form valve rod A portion between the handheld portion, the diameter of valve rod A portion is less than the diameter of connecting portion, be provided with spacing buckle in the valve rod A portion and make for elastic material, spacing buckle can rotate around valve rod A portion. The utility model discloses valve rod A portion at connecting portion and handheld portion sets up a spacing buckle, can prevent that valve rod A portion from entering into in the valve body to avoid before using the valve, the sealing head is died by the top.

Description

Prevent repeated filling valve

Technical Field

The utility model relates to the technical field of valves, specifically be a prevent repeated dress valve that fills.

Background

The non-refillable bottle valve used in the current production comprises a valve body, a valve rod and a sealing head. The mode that adopts is valve rod and the integrative formation of sealed head, and direct drive connects sealed head to use when the rotation along with the valve rod, and sealed head also then opens when the valve is opened, can also fill the gas-liquid body once more, can repeat the filling use.

Disclosure of Invention

In view of the above, to the above-mentioned weak point, the utility model provides an prevent refilling valve door is in order to solve above-mentioned problem.

In order to realize above purpose, the utility model discloses a such prevent repeated dress valve that fills, including valve body, valve rod, valve body and valve rod fixed mounting, be provided with the business turn over gas port on the valve body, the valve body is provided with the internal thread, the both ends of valve rod are provided with sealed head and handheld portion, handheld portion is located the valve body outside, sealed head sets up in the valve body, the below of handheld portion is provided with connecting portion, be provided with the external screw thread on the connecting portion, connecting portion with form valve rod A portion between the handheld portion, the diameter of valve rod A portion is less than the diameter of connecting portion, be provided with spacing buckle in the valve rod A portion and make for elastic material, spacing buckle can rotate around valve rod A portion.

The utility model discloses further set up: and a pin shaft is arranged between the sealing head and the valve rod.

The utility model discloses further set up: the limiting buckle is characterized in that one end of the limiting buckle is provided with an opening for the valve rod A to pass through, the limiting buckle comprises a first limiting arm and a second limiting arm which are arranged in parallel, one end of the first limiting arm and one end of the second limiting arm extend to one side of the opening to form a bending part, the other end of the first limiting arm and the other end of the second limiting arm are connected to form a fixing part, a limiting cavity is formed between the first limiting arm and the second limiting arm, and the limiting cavity is used for the valve rod A to pass through.

The utility model discloses further set up: the connecting portion with form valve rod B portion between the sealed head, the inside of valve rod B portion is provided with the spring chamber, be provided with the spring in the spring chamber, the one end of spring offsets with the upper surface in spring chamber, and the other one end of spring offsets with sealed head.

The utility model discloses further set up: and a sealing rubber ring is also arranged on the part B of the valve rod.

The utility model discloses further set up: the protective cap is arranged at the gas inlet and outlet and is connected with the gas inlet and outlet through threads.

The utility model discloses further set up: the lower extreme of valve body is provided with the connector, connector department is provided with the screw thread.

The utility model has the advantages that: the valve rod A part of the connecting part and the hand-held part is provided with a limiting buckle, so that the valve rod A part can be prevented from entering the valve body, and the sealing head is prevented from being deadly jacked before the valve is used; in addition still set up round pin axle, spring between sealing head and valve rod, this round pin axle is complete state before not using, when filling the back, takes off the buckle, closes the valve, and sealing head has sealed the sealing connection mouth of gas-liquid passageway this moment, and when sealing the sealing connection mouth, the round pin axle is because the effort fracture, and the back is cracked, and the spring withstands sealing head and can be blockked up gas-liquid passageway sealing mouth, realizes that the gas-liquid just goes out not to advance, can't repeat filling again.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention.

Fig. 2 is a cross-sectional view of an embodiment of the present invention.

Fig. 3 is a perspective view of the limiting buckle according to the embodiment of the present invention.

Reference numerals: 1. a valve body; 2. a valve stem; 21. a valve stem A part; 22. a valve stem B part; 3. An air inlet and an air outlet; 4. a sealing head; 5. a hand-held portion; 6. a connecting portion; 7. a limiting buckle; 7a, a limiting cavity; 71. a first spacing arm; 72. a second limiting arm; 73. a bending section; 74. a fixed part; 8. an opening; 9. a spring cavity; 10. a spring; 11. a protective cap; 12. a connecting port; 13. Sealing the rubber ring; 14. a pin shaft;

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are 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.

As shown in fig. 1-3, the utility model relates to a valve for preventing repeated filling, which comprises a valve body 1 and a valve rod 2, the valve body 1 and the valve rod 2 are fixedly arranged, the valve body 1 is provided with an air inlet and an air outlet 3, the valve body 1 is provided with internal threads, two ends of the valve rod 2 are provided with a sealing head 4 and a handheld part 5, the handheld part 5 is positioned outside the valve body 1, the sealing head 4 is arranged in the valve body 1, a connecting part 6 is arranged below the handheld part 5, the connecting part 6 is provided with external threads, a valve rod A part 21 is formed between the connecting part 6 and the handheld part 5, the diameter of the valve rod A part 21 is smaller than that of the connecting part 6, the valve rod A part 21 is provided with a limit buckle 7 and is made of elastic material, the limiting buckle 7 can rotate around the valve rod A part 21, so that the position of the limiting buckle 7 can be adjusted according to requirements. The limiting buckle 7 comprises a first limiting arm 71 and a second limiting arm 72 which are arranged in parallel, one end of the first limiting arm 71 and one end of the second limiting arm 72 extend towards one side of the opening 8 to form a bending portion 73, the other end of the first limiting arm 71 and the other end of the second limiting arm 72 are connected to form a fixing portion 74, and a limiting cavity 7a is formed between the first limiting arm 71 and the second limiting arm 72 and used for the valve rod A21 to pass through.

A valve rod B part 22 is formed between the connecting part 6 and the sealing head 4, a spring cavity 9 is arranged inside the valve rod B part 22, a spring 10 is arranged in the spring cavity 9, one end of the spring 10 abuts against the upper surface of the spring cavity 9, and the other end of the spring 10 abuts against the sealing head 4. The valve rod B part 22 is also provided with a plurality of sealing rubber rings 13. The gas inlet and outlet 3 is provided with a protective cap 11, and the protective cap 11 is connected with the gas inlet and outlet 3 through threads. The lower end of the valve body 1 is provided with a connecting port 12, the connecting port 12 is welded with the valve body 1, and threads are arranged at the connecting port 12.

The utility model arranges a limit buckle at the valve rod A part of the connecting part and the hand-held part, which can prevent the sealing head part from entering the sealing part of the gas-liquid channel in the valve body, thereby avoiding the top dead of the sealing part of the channel before using the valve; in addition, a pin shaft and a spring are arranged between the other end of the sealing head and the valve rod, the pin shaft is in a complete state before being used, when the gas filling is completed, the buckle is taken down, after the valve is closed, the pin shaft is broken due to acting force, and the spring props against the sealing head after being broken, so that a gas inlet and outlet channel sealing port can be blocked, and the purpose that gas and liquid cannot be filled again without entering or exiting is achieved.

In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a prevent refilling and fill dress valve, includes valve body, valve rod, valve body and valve rod fixed mounting, be provided with the business turn over gas port on the valve body, the valve body is provided with internal thread, its characterized in that: the both ends of valve rod are provided with sealed head and handheld portion, handheld portion is located the valve body outside, sealed head sets up in the valve body, the below of handheld portion is provided with connecting portion, be provided with the external screw thread on the connecting portion, connecting portion with form valve rod A portion between the handheld portion, the diameter of valve rod A portion is less than the diameter of connecting portion, be provided with spacing buckle in the valve rod A portion and make for elastic material, spacing buckle can rotate around valve rod A portion.

2. The anti-refillable valve of claim 1, wherein a pin is disposed between the sealing head and the valve stem.

3. The anti-refill valve of claim 1, wherein: the limiting buckle is characterized in that one end of the limiting buckle is provided with an opening for the valve rod A to pass through, the limiting buckle comprises a first limiting arm and a second limiting arm which are arranged in parallel, one end of the first limiting arm and one end of the second limiting arm extend to one side of the opening to form a bending part, the other end of the first limiting arm and the other end of the second limiting arm are connected to form a fixing part, a limiting cavity is formed between the first limiting arm and the second limiting arm, and the limiting cavity is used for the valve rod A to pass through.

4. The valve of claim 3, wherein a valve stem B is formed between the connecting portion and the sealing head, a spring cavity is formed inside the valve stem B, a spring is arranged in the spring cavity, one end of the spring abuts against the upper surface of the spring cavity, and the other end of the spring abuts against the sealing head.

5. The anti-refill valve of claim 4, wherein: and a sealing rubber ring is also arranged on the part B of the valve rod.

6. An anti-refill valve according to claim 5, wherein: the protective cap is arranged at the gas inlet and outlet and is connected with the gas inlet and outlet through threads.

7. The anti-refill valve of claim 1, wherein: the lower extreme of valve body is provided with the connector, connector department is provided with the screw thread.