CN217762542U - Sealing ring, guide piece with sealing ring, fluid connection socket and fluid connection device - Google Patents

Abstract

The utility model discloses a sealing ring, including injecting glue integrated into one piece's sealing washer body, the sealing washer body is concrete: a first ring body; the second ring body is coaxially arranged with the first ring body at intervals; the connecting parts are arranged along the axial direction of the first ring body, and two ends of each connecting part are fixedly connected with the first ring body and the second ring body respectively. The utility model also discloses a guide, fluid coupling socket and the fluid coupling device of using this sealing washer. The utility model provides a sealing washer, it is even as an organic whole through addding two relatively independent sealing washers among the connecting portion with prior art, increases the anticreep nature of sealing washer for the guide, promotes its reliability of using the product.

Description

Sealing ring, guide piece with sealing ring, fluid connection socket and fluid connection device

Technical Field

The utility model relates to a sealing washer technical field, more specifically say, relate to a sealing washer to and with the guide of this sealing washer adaptation, applied the guide of this sealing washer, applied the fluid coupling socket and the fluid coupling device of this sealing washer.

Background

For example, in chinese utility model patent CN209688310U, a fluid connection device is disclosed. The fluid connecting device connects the socket and the plug into a whole in a plugging mode, wherein the socket can be called as a female head, the guide piece of the fluid connecting device is configured to slide in the socket body, and the valve core cannot move relative to the socket body; the plug, which may also be referred to as a male, has a valve stem configured to slide within a plug body. When the plug is plugged with the socket, the guide piece and the valve rod slide relatively to realize the communication of the internal flow passage of the fluid connecting device. For example, CN 216201438U discloses a quick-change connector for absorbing deviation, in which a groove is formed in the inner wall of a guide to separately mount a first sealing ring, and a groove is formed in the end surface of the guide to separately mount a second sealing ring, so as to ensure the sealing property between a valve core and the guide. The first sealing ring is easy to fall off under the action of external force such as water flow or air pressure, and the like, so that the first sealing ring is ineffective.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model provides a sealing washer, it is even as an organic whole through addding two relatively independent sealing washers among the connecting portion with prior art, increases the anticreep nature of sealing washer for the guide, promotes its reliability of using the product.

The utility model also provides a guide with this sealing washer adaptation.

The utility model also provides an install the fluid coupling socket of this sealing washer.

The utility model also provides an install the fluid coupling device of this sealing washer.

The utility model adopts the technical proposal that: the utility model provides a sealing ring, including injecting glue integrated into one piece's sealing ring body, the sealing ring body specifically: a first ring body; the second ring body is coaxially arranged with the first ring body at intervals; the connecting parts are arranged along the axial direction of the first ring body, and two ends of each connecting part are fixedly connected with the first ring body and the second ring body respectively.

After the structure is adopted, the first ring body and the second ring body are connected into a whole by additionally arranging the connecting part, and the two relatively independent sealing rings are connected into a whole. When first round body suffers external force impact such as rivers or atmospheric pressure, connecting portion produce the pulling force to first round body, increase the anticreep nature of sealing washer for the guide, promote its reliability of using the product.

According to the utility model discloses an embodiment, the inner circle face of first circle body is as the first sealed face with case looks butt.

According to an embodiment of the present invention, the second ring body is kept away from the end face of the first ring body as a second sealing face abutting against the plug body.

According to the utility model discloses an embodiment, it is a plurality of connecting portion with the axis of first circle body is central symmetry setting.

The utility model provides a with any of the sealing washer complex guide, the guide includes the direction body, be equipped with on the inside of guide with the first ring channel of first circle body adaptation, the direction body has relative both ends, one of them terminal surface indent form with the second ring channel of second circle body adaptation, be equipped with one or more in the second ring channel with the connecting portion connecting hole of adaptation, and the connecting hole will first ring channel with the second ring channel switches on.

After adopting above-mentioned structure, the mould is put into to the guide with the form of inserts in, goes out above-mentioned sealing washer through the injecting glue shaping, and the sealing washer after the shaping is integrative good, can also increase the anticreep nature of sealing washer when guaranteeing sealing performance, can also prolong the life of product when reducing the sealing washer assembly degree of difficulty.

According to an embodiment of the present invention, the plurality of connecting holes are arranged in a central symmetry manner with respect to the axis of the guide body; the first ring body is enabled to be stressed more uniformly by the arrangement.

A fluid connection socket comprises a socket body, a guide member, a valve core and any one of the sealing rings, wherein the sealing ring is embedded and installed on the guide member, the valve core is fixedly installed on the socket body, and the guide member is sleeved on the valve core and is matched with the socket body in a sliding mode.

According to the utility model discloses an embodiment still includes the piping connecting piece, the piping connecting piece with socket detachably connects.

According to the utility model discloses an embodiment, still include the fixed plate, the fixed plate with the socket body cooperation, just the fixed plate support hold in the socket body with between the piping connecting piece.

A fluid connection device comprises a fluid connection socket and a plug inserted into the fluid connection socket, wherein the fluid connection socket comprises any one of the sealing rings.

Drawings

Fig. 1 is a schematic structural diagram of a seal ring in an embodiment of the present invention;

fig. 2 is a perspective view of a seal ring in an embodiment of the present invention;

fig. 3 is a top view of a seal ring in an embodiment of the present invention;

fig. 4 is a partial cross-sectional view of a seal ring in an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of the guide member according to the embodiment of the present invention;

fig. 6 is a partial cross-sectional view of a guide in an embodiment of the invention;

FIG. 7 is a schematic view of a fluid coupling fitting according to an embodiment of the present invention;

FIG. 8 is an exploded view of a fluid coupling joint in an embodiment of the present invention;

fig. 9 is a cross-sectional view of a fluid coupling joint according to an embodiment of the present invention after detonation;

fig. 10 is a schematic view of a guide member of a fluid coupling fitting according to an embodiment of the present invention.

The reference numbers in the figures illustrate:

1. a seal ring body; 2. a guide member; 3. a socket body; 4. a piping connection member; 5. a fixing plate; 6. a spring; 7. a valve core;

11. a first ring body; 12. a second ring body; 13. a connecting portion;

11a, a first sealing surface; 12a, a second sealing surface;

21. a guide body; 22. a first annular groove; 23. a second annular groove; 24. and connecting the holes.

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 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 drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 and fig. 2, the embodiment provides a sealing ring, which includes a sealing ring body 1 integrally formed by injecting glue, where the sealing ring body 1 is specifically: a first ring body 11; the second ring body 12 is coaxially arranged with the first ring body 11 at intervals; one or more connecting parts 13, each connecting part 13 being disposed along an axial direction of the first ring body 11, and two ends of each connecting part 13 being fixedly connected to the first ring body 11 and the second ring body 12, respectively.

Further, in the present embodiment, the first ring body 11 and the second ring body 12 are both D-shaped seal rings, that is, the first ring body 11 and the second ring body 12 are O-shaped seal rings with square bases, the arc-shaped surface of the first ring body 11 faces the central axis of the seal ring, and the arc-shaped surface of the second ring body 12 faces the side far away from the first ring body 11.

Further, in the present embodiment, the first ring body 11 and the second ring body 12 are connected by eight connecting portions 13.

Further, as shown in fig. 3, in the present embodiment, the radius of the first ring body 11 is smaller than that of the second ring body 12.

Specifically, as shown in fig. 4, an inner ring surface of the first ring body 11 serves as a first seal surface 11a that abuts against the valve element 7. When the first sealing surface 11a abuts against the upper valve core 7 of the socket, the first sealing surface and the upper valve core are connected in a sealing mode, and a flow channel in the socket is in a sealing state.

Specifically, an end surface of the second ring body 12 remote from the first ring body 11 serves as a second sealing surface 12a that abuts against the plug body. When the second sealing surface 12a abuts against the plug, the two are in sealing connection.

Specifically, in the present embodiment, eight connecting portions 13 are arranged in central symmetry with respect to the axis of the first ring 11.

Referring to fig. 5, 6 and 10, in another embodiment, a guide member 2 engaged with the sealing ring of the present embodiment is disclosed, the guide member 2 includes a guide body 21, a first annular groove 22 adapted to the first ring body 11 is provided inside the guide member 2, the guide body 21 has two opposite ends, a second annular groove 23 adapted to the second ring body 12 is formed by recessing one end surface of the guide body, one or more connection holes 24 adapted to the connection portion 13 are provided in the second annular groove 23, and the first annular groove 22 is communicated with the second annular groove 23 by the connection holes 24.

Further, in another embodiment, the guide member 2 is a hollow cylindrical structure, one end surface of which is recessed to form the first annular groove 22. Further, the first annular groove 22 has inner and outer sides, wherein the inner side of the first annular groove 22 is protruded from the outer side.

Furthermore, in another embodiment, the guide member 2 is placed in the mold in an insert manner, and the sealing ring is molded by injecting glue, so that the molded sealing ring has good integrity, the sealing performance is ensured, the anti-falling performance of the sealing ring can be improved, and the service life of the product is prolonged.

Specifically, in another embodiment, the plurality of connecting holes 24 are arranged in a central symmetry manner with respect to the axis of the guide body 21; the above arrangement ensures that the first ring body 11 is stressed more uniformly.

Further, in another embodiment, eight connecting holes 24 are formed in the guide 2, eight connecting portions 13 are formed in the seal ring body 1, and the connecting holes 24 are arranged in one-to-one correspondence with the connecting portions 13.

Referring to fig. 7 and 8, in another embodiment, a fluid connection socket is disclosed, which includes a socket body 3, a guide 2, a valve element 7 and any one of the above-mentioned sealing rings, wherein the sealing ring is embedded in the guide 2, the valve element 7 is fixedly mounted on the socket body 3, and the guide 2 is sleeved on the valve element 7 and slidably engaged with the socket body 3.

Further, as shown in fig. 9, in another embodiment, a spring 6 is sleeved on the outer circumference of the valve element 7, one end of the spring 6 abuts against the valve element 7 or the socket body 3, and the other end abuts against the guide 2. The spring 6 gives the guide 2a tendency to move away from the socket body 3, i.e. the guide 2a tendency to move towards the head of the valve spool 7, so that the first ring 11 is sealingly connected to the valve spool 7 and the fluid connection socket remains closed.

Specifically, in another embodiment, the fluid connection receptacle further comprises a tubing connector 4, the tubing connector 4 being detachably connected to the receptacle body 3.

Furthermore, the free end of the tubing connector 4 is used for externally connecting a fluid pipeline, and the other end of the tubing connector 4, which is far away from the free end, is in threaded connection with the socket body 3 and is used for communicating the externally connected fluid pipeline with a flow channel in the socket.

Specifically, in another embodiment, the fluid connection socket further includes a fixing plate 5, the fixing plate 5 is engaged with the socket body 3, the fixing plate 5 is abutted between the socket body 3 and the pipe connecting piece 4, and the fixing plate 5 is used for mounting the fluid connection socket in an assembling position.

In another embodiment, a fluid connection device is disclosed, comprising a fluid connection socket and a plug for plugging with the fluid connection socket, wherein the fluid connection socket comprises the sealing ring in the embodiment.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. The utility model provides a sealing washer, including integrated into one piece's sealing washer body (1), its characterized in that, sealing washer body (1) is concrete:

a first ring (11);

the second ring body (12), the second ring body (12) and the first ring body (11) are coaxially arranged at intervals;

the connecting parts (13) are arranged along the axial direction of the first ring body (11), and two ends of each connecting part (13) are fixedly connected with the first ring body (11) and the second ring body (12) respectively.

2. The seal ring according to claim 1, wherein: the inner ring surface of the first ring body (11) is used as a first sealing surface (11 a) which is abutted with the valve core (7).

3. The seal ring according to claim 2, wherein: the end face of the second ring body (12) far from the first ring body (11) is used as a second sealing surface (12 a) which is in contact with the plug body.

4. The seal ring according to claim 1, wherein: the connecting parts (13) are arranged in a central symmetry mode with the axis of the first ring body (11).

5. A guide piece matched with the sealing ring according to any one of claims 1 to 4, wherein the guide piece (2) comprises a guide body (21), the guide piece (2) is internally provided with a first annular groove (22) matched with the first ring body (11), the guide body (21) is provided with two opposite ends, one end surface of the guide piece is sunken to form a second annular groove (23) matched with the second ring body (12), one or more connecting holes (24) matched with the connecting part (13) are formed in the second annular groove (23), and the first annular groove (22) is communicated with the second annular groove (23) through the connecting holes (24).

6. The guide of claim 5, wherein: the connecting holes (24) are arranged in a central symmetry mode with the axis of the guide body (21).

7. A fluid coupling receptacle, comprising: the sealing ring type pressure relief valve comprises a socket body (3), a guide member (2), a valve core (7) and the sealing ring as claimed in any one of claims 1 to 4, wherein the sealing ring is embedded and installed on the guide member (2), the valve core (7) is fixedly installed on the socket body (3), and the guide member (2) is sleeved on the valve core (7) and is slidably matched with the socket body (3).

8. The fluid connection receptacle of claim 7, wherein: the socket further comprises a piping connecting piece (4), and the piping connecting piece (4) is detachably connected with the socket body (3).

9. The fluid connection receptacle of claim 8, wherein: the fixing plate (5) is matched with the socket body (3), and the fixing plate (5) is abutted between the socket body (3) and the pipe distribution connecting piece (4).

10. A fluid coupling device comprising a fluid coupling receptacle and a plug for mating with the fluid coupling receptacle, the fluid coupling device comprising: the fluid connection socket comprising a sealing ring according to any one of claims 1 to 4.

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