Automatic flow stopping module and gas-liquid plug with same

Abstract

The utility model discloses an automatic flow stopping module and a gas-liquid plugging head with the same. The automatic flow stopping module comprises a male joint and a female joint, the male connector comprises a first base, a first valve element, a first spring and a first valve seat. The female connector comprises a second base, a second valve element, a second spring and a second valve seat. The gas-liquid plug comprises the male connector and the female connector, and customized shells are arranged outside the male connector and the female connector respectively. According to the scheme, the springs and the movable valve elements are mainly arranged in the male connector and the female connector, when the male connector and the female connector are inserted, the valve elements of the male connector and the female connector abut against each other, compress the springs of the valve elements respectively and move backwards, at the moment, an internal pipeline of the whole module is in an unblocked state, and gas and liquid can pass through the internal pipeline; when the male connector and the female connector are pulled out and separated, the spring can automatically press the valve element on the corresponding valve seat, automatic flow stopping and good sealing performance after the male connector and the female connector are pulled out are achieved, and the phenomena of water leakage and gas leakage of the male connector and the female connector can be effectively avoided.

Description

Technical Field

[0001] The utility model relates to the field of gas-liquid plug-in heads, in particular to an automatic flow-stopping module and a gas-liquid plug-in head having the same. Background Art

[0002] In the prior art, a gas-liquid plug is often used on the pipeline through which gas and liquid flow to realize the connection or disconnection of the pipeline during plugging and unplugging. For example, a cold compress machine used to cool and relieve pain, reduce swelling and stop seepage of damaged tissues of the human body will use such a gas-liquid plug between the main pipeline and the ice bag pipeline to realize the installation or removal of the ice bag.

[0003] Since this type of gas-liquid plug-in head is frequently plugged and unplugged during use, and the internal flow-stopping structure of conventional gas-liquid plug-in heads on the market has poor automatic flow-stopping effect and unstable performance, it is easy to leak water or air, and needs to be optimized and improved. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one object of the utility model is to provide an automatic flow stop module and a gas-liquid plug-in head having the same.

[0005] The technical solution of the utility model is as follows: an automatic flow-stopping module, characterized in that it comprises: a male connector and a female connector;

[0006] The male connector comprises a first base, a first valve core, a first spring and a first valve seat; the first base is hollow inside to form a first valve cavity, a first connecting pipe head is provided on the left side of the first valve cavity, a first valve seat is provided on the right side, a first slideway is provided inside the first valve seat, and a slot is provided on the right side of the first valve seat;

[0007] A first flow hole penetrating to the right side of the first valve core is provided inside the first valve core, a first flow port communicating with the first flow hole is provided on the outer peripheral wall of the first valve core, the first valve core is inserted into the first slideway, a first spring is provided between the left end of the first valve core and the first base, and under the elastic force of the first spring, the left end of the first valve core is closely attached to the first valve seat, the first flow port is hidden in the first slideway, and the first flow hole is not communicated with the first valve cavity;

[0008] The female connector comprises a second base, a second valve core, a second spring and a second valve seat; the second base is hollow inside to form a second valve cavity, a second connecting pipe head is provided on the right side of the second valve cavity, a second valve seat is provided on the left side, a second slideway is provided inside the second valve seat, and a plug is provided on the left side of the second valve seat;

[0009] A second flow hole penetrating to the left side of the second valve core is provided inside the second valve core, a second flow port communicating with the second flow hole is provided on the outer peripheral wall of the second valve core, the second valve core is inserted into the second slideway, a second spring is provided between the right end of the second valve core and the second base, and under the elastic force of the second spring, the right end of the second valve core is closely attached to the second valve seat, the second flow port is hidden in the second slideway, and the second flow hole is not communicated with the second valve cavity;

[0010] When the male connector and the female connector are plugged into each other, the plug is inserted into the slot, the first valve core and the second valve core are directly against each other and compress their respective springs and move backwards respectively, at this time, the first flow port is exposed from the first slide, the second flow port is exposed from the second slide, and the first valve cavity, the first flow hole, the second flow hole, and the second valve cavity are connected.

[0011] A gas-liquid plug connector is characterized in that it comprises the above-mentioned male connector and female connector, and the male connector and the female connector are each provided with a customized shell on the outside.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] This solution mainly arranges springs and movable valve cores inside the male connector and the female connector. When plugged in, the valve cores of the male connector and the female connector are directly against each other and compress their respective springs and move backwards respectively. At this time, the internal pipeline of the entire module is in a smooth state, and both gas and liquid can pass through. When the male connector and the female connector are unplugged and separated, the spring will automatically press the valve core onto the corresponding valve seat, achieving automatic flow stopping and good sealing after unplugging, which can effectively prevent water and air leakage in the male connector and the female connector.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work:

[0016] Figure 1 It is a stereogram of the male connector and the female connector of the utility model;

[0017] Figure 2 It is an exploded view of the male connector and the female connector of the utility model;

[0018] Figure 3 It is a cross-sectional view of the male connector and the female connector of the utility model;

[0019] Figure 4 It is a cross-sectional view of the male connector and the female connector of the utility model when plugged in.

[0020] Reference numerals:

[0021] 1. Male connector; 11. First base; 12. First valve core; 13. First spring; 14. First valve seat; 15. First valve cavity; 16. First connecting pipe head; 17. Socket; 18. First flow hole; 19. First flow port; 110. First sealing ring; 111. First limiting ring; 112. Fourth sealing ring;

[0022] 2. Female connector; 21. Second base; 22. Second valve core; 23. Second spring; 24. Second valve seat; 25. Second valve chamber; 26. Second connecting pipe head; 27. Plug; 28. Second flow hole; 29. ​​Second flow port; 210. Second sealing ring; 211. Third sealing ring; 212. Second limiting ring; 213. Fifth sealing ring. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do 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 therefore cannot be understood as a limitation on the present invention.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the description of the present utility model, "first feature" and "second feature" may include one or more of the features. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0027] like Figure 1-Figure 4 An automatic flow-stopping module is shown, comprising: a male connector 1 and a female connector 2 .

[0028] like Figure 2 and Figure 3 As shown, the male connector 1 includes a first base 11, a first valve core 12, a first spring 13 and a first valve seat 14; the first base 11 is hollow inside to form a first valve cavity 15, a first connecting pipe head 16 is provided on the left side of the first valve cavity 15, and a first valve seat 14 is provided on the right side, a first slide is provided inside the first valve seat 14, and a slot 17 is provided on the right side of the first valve seat 14; a first flow hole 18 is provided inside the first valve core 12 to penetrate to the right side of the first valve core 12, a first flow port 19 connected to the first flow hole 18 is provided on the outer peripheral wall of the first valve core 12, the first valve core 12 is inserted in the first slide, and a first spring 13 is provided between the left end of the first valve core 12 and the first base 11.

[0029] The female connector 2 includes a second base 21, a second valve core 22, a second spring 23 and a second valve seat 24; the second base 21 is hollow inside to form a second valve cavity 25, a second connecting pipe head 26 is provided on the right side of the second valve cavity 25, a second valve seat 24 is provided on the left side, a second slide is provided inside the second valve seat 24, and a plug 27 is provided on the left side of the second valve seat 24; a second flow hole 28 is provided inside the second valve core 22 to penetrate to the left side of the second valve core 22, a second flow port 29 connected to the second flow hole 28 is provided on the outer peripheral wall of the second valve core 22, the second valve core 22 is inserted in the second slide, and a second spring 23 is provided between the right end of the second valve core 22 and the second base 21.

[0030] like Figure 4As shown, when the male connector 1 and the female connector 2 are plugged in, the plug 27 is inserted into the slot 17, the first valve core 12 and the second valve core 22 are directly against each other and compress their respective springs and move backwards respectively, at this time, the first flow port 19 is exposed from the first slide, the second flow port 29 is exposed from the second slide, the first valve cavity 15, the first flow hole 18, the second flow hole 28, and the second valve cavity 25 are connected. In this case, the internal pipeline of the entire module is in a smooth state, and both gas and liquid can pass through.

[0031] like Figure 3 As shown, when the male connector 1 and the female connector 2 are unplugged, the two are separated and disconnected. For the male connector 1, the first valve core 12 is no longer squeezed from the right side. At this time, under the elastic force of the first spring 13, the first spring 13 will push the first valve core 12 to move to the right, so that the left end of the first valve core 12 is close to the first valve seat 14, the first flow port 19 is hidden in the first slideway, and the first flow hole 18 is not connected to the first valve cavity 15. For the female connector 2, the second valve core 22 is no longer squeezed from the left side. At this time, under the elastic force of the second spring 23, the second spring 23 will push the second valve core 22 to move to the left, so that the right end of the second valve core 22 is close to the second valve seat 24, the second flow port 29 is hidden in the second slideway, and the second flow hole 28 is not connected to the second valve cavity 25.

[0032] In this case, the internal pipeline of the entire module is in a disconnected state, and neither gas nor liquid can pass through. Therefore, the valve core is pressed against the corresponding valve seat by the elastic force of the spring, so that automatic flow stopping can be achieved after the male connector 1 and the female connector 2 are unplugged. Moreover, this flow stopping structure has good sealing performance and can effectively prevent water leakage and air leakage from the male connector 1 and the female connector 2.

[0033] In practical applications, in order to facilitate mass production and processing of products, such as Figure 2 and Figure 3 As shown, the structures of the first base 11 and the second base 21, the first valve core 12 and the second valve core 22, the first spring 13 and the second spring 23 in the two connectors are the same, except that the structures of the first valve seat 14 and the second valve seat 24 used for plug-in connection are different, one is provided with a groove, and the other is provided with a plug 27.

[0034] In order to facilitate the assembly of the product, such as Figure 2 and Figure 3 As shown, the first valve seat 14 and the second valve seat 24 are provided with external threads, the first base 11 and the second base 21 are provided with internal threads, the first valve seat 14 is threadedly connected to the first base 11, and the second valve seat 24 is threadedly connected to the second base 21.

[0035] In order to further improve the structural sealing, such as Figure 3As shown, a first sealing ring 110 is provided between the first valve seat 14 and the first base 11, a first mounting groove is provided on the outer peripheral wall of the first valve seat 14, and the first sealing groove is sleeved in the first mounting groove, a second sealing ring 210 is provided between the second sealing ring 210 and the second base 21, a second mounting groove is provided on the outer peripheral wall of the second valve seat 24, and the second sealing groove is sleeved in the second mounting groove, thereby improving the connection sealing between the first valve seat 14 and the first base 11 and between the second valve seat 24 and the second base 21.

[0036] A third mounting groove is provided on the outer peripheral wall of the plug 27, and the third sealing ring 211 is sleeved in the third mounting groove, thereby improving the sealing performance when the plug 27 is plugged into the groove.

[0037] A first limiting ring 111 is provided on the outer peripheral wall of the left end of the first valve core 12, and the first spring 13 is sleeved on the left end of the first valve core 12 and respectively abuts against the first base 11 and the first limiting ring 111; a second limiting ring 212 is provided on the outer peripheral wall of the right end of the second valve core 22, and the second spring 23 is sleeved on the right end of the second valve core 22 and respectively abuts against the second base 21 and the second limiting ring 212. Thus, the first spring 13 and the second spring 23 can be limited. Under the elastic force of the first spring 13, the right end of the first valve core 12 extends to the right into the slot 17, and under the elastic force of the second spring 23, the left end of the second valve core 22 extends to the left outside the plug 27, thereby facilitating the judgment of whether the first valve core 12 and the second valve core 22 are facing each other when the male connector 1 and the female connector 2 are plugged.

[0038] A fourth installation groove is provided on the outer peripheral wall of the first valve core 12, and a fourth sealing ring 112 is sleeved in the fourth sealing groove. The fourth sealing ring 112 is adjacent to the right side of the first limiting ring 111. Under the elastic force of the first spring 13, the fourth sealing ring 112 is squeezed between the first limiting ring 111 and the first valve seat 14; a fifth installation groove is provided on the outer peripheral wall of the second valve core 22, and a fifth sealing ring 213 is sleeved in the fifth sealing groove. The fifth sealing ring 213 is adjacent to the right side of the second limiting ring 212. Under the elastic force of the second spring 23, the fifth sealing ring 213 is squeezed between the second limiting ring 212 and the second valve seat 24. In this way, the sealing properties of the male connector 1 and the female connector 2 after being unplugged and separated can be improved, ensuring that the male connector 1 and the female connector 2 will not leak water or air.

[0039] In actual applications, when the male connector 1 and the female connector 2 are used to make a gas-liquid plug-in head, the male connector 1 and the female connector 2 are each provided with a shell on the outside, and the shape or shape of the shell is customized according to actual needs, which will not be repeated. In other words, when this solution is made into a gas-liquid plug-in head, the internal core connector component is modularized, and the external shell can be customized. Therefore, it can be mass-produced and quality controlled to ensure the sealing stability of the product connector, and various connector shell shapes can be matched according to the overall style of the actual product to increase the diversity of the appearance.

[0040] To sum up, this solution mainly arranges springs and movable valve cores inside the male connector 1 and the female connector 2. When plugged in, the valve cores of the male connector 1 and the female connector 2 are against each other and compress their respective springs and move backwards respectively. At this time, the internal pipeline of the entire module is in a smooth state, and both gas and liquid can pass through. When the male connector 1 and the female connector 2 are unplugged and separated, the spring will automatically press the valve core onto the corresponding valve seat, realizing automatic flow stopping and good sealing after unplugging, which can effectively prevent water leakage and air leakage in the male connector 1 and the female connector 2.

[0041] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An automatic flow stop module, characterized in that: include: Male and female connectors; The male connector comprises a first base, a first valve core, a first spring and a first valve seat; the first base is hollow inside to form a first valve cavity, a first connecting pipe head is provided on the left side of the first valve cavity, a first valve seat is provided on the right side, a first slideway is provided inside the first valve seat, and a slot is provided on the right side of the first valve seat; A first flow hole penetrating to the right side of the first valve core is provided inside the first valve core, a first flow port communicating with the first flow hole is provided on the outer peripheral wall of the first valve core, the first valve core is inserted into the first slideway, a first spring is provided between the left end of the first valve core and the first base, and under the elastic force of the first spring, the left end of the first valve core is closely attached to the first valve seat, the first flow port is hidden in the first slideway, and the first flow hole is not communicated with the first valve cavity; The female connector comprises a second base, a second valve core, a second spring and a second valve seat; the second base is hollow inside to form a second valve cavity, a second connecting pipe head is provided on the right side of the second valve cavity, a second valve seat is provided on the left side, a second slideway is provided inside the second valve seat, and a plug is provided on the left side of the second valve seat; A second flow hole penetrating to the left side of the second valve core is provided inside the second valve core, a second flow port communicating with the second flow hole is provided on the outer peripheral wall of the second valve core, the second valve core is inserted into the second slideway, a second spring is provided between the right end of the second valve core and the second base, and under the elastic force of the second spring, the right end of the second valve core is closely attached to the second valve seat, the second flow port is hidden in the second slideway, and the second flow hole is not communicated with the second valve cavity; When the male connector and the female connector are plugged into each other, the plug is inserted into the slot, the first valve core and the second valve core are directly against each other and compress their respective springs and move backwards respectively, at this time, the first flow port is exposed from the first slide, the second flow port is exposed from the second slide, and the first valve cavity, the first flow hole, the second flow hole, and the second valve cavity are connected.

2. The automatic flow stop module according to claim 1, characterized in that: The first valve seat is threadedly connected to the first base, and the second valve seat is threadedly connected to the second base.

3. The automatic flow stop module according to claim 2, characterized in that: A first sealing ring is provided between the first valve seat and the first base, and a second sealing ring is provided between the second valve seat and the second base.

4. The automatic flow stop module according to claim 1, characterized in that: A third sealing ring is arranged on the outer peripheral wall of the plug.

5. The automatic flow stop module according to claim 1, characterized in that: Under the elastic force of the first spring, the right end of the first valve core extends rightward into the slot, and under the elastic force of the second spring, the left end of the second valve core extends leftward out of the plug.

6. The automatic flow stop module according to claim 1, characterized in that: A first limiting ring is provided on the outer peripheral wall of the left end of the first valve core, and the first spring is sleeved on the left end of the first valve core and abuts against the first base and the first limiting ring respectively; a second limiting ring is provided on the outer peripheral wall of the right end of the second valve core, and the second spring is sleeved on the right end of the second valve core and abuts against the second base and the second limiting ring respectively.

7. The automatic flow stop module according to claim 6, characterized in that: A fourth sealing ring is provided on the outer peripheral wall of the first valve core, and the fourth sealing ring is adjacent to the right side of the first limiting ring. Under the elastic force of the first spring, the fourth sealing ring is squeezed between the first limiting ring and the first valve seat; A fifth sealing ring is provided on the outer peripheral wall of the second valve core. The fifth sealing ring is adjacent to the right side of the second limiting ring. Under the elastic force of the second spring, the fifth sealing ring is squeezed between the second limiting ring and the second valve seat.

8. A gas-liquid plug, characterized in that: It comprises a male connector and a female connector according to any one of claims 1 to 7, wherein the male connector and the female connector are each provided with a customized shell on the outside.

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