Dry type quick connection valve

Abstract

The utility model relates to the technical field of oil way pipeline systems, and discloses a dry type quick connection valve which comprises a first valve body, a movable valve element is arranged in the first valve body, one end of the valve element is a sealing face, the sealing face abuts against and seals one end of the first valve body, and the valve element is connected with a driving piece. A valve rod is arranged in the second valve body, the valve rod is connected with the valve element, the driving piece is arranged on the second valve body, and the driving piece can drive the valve element to move in the extending direction of the valve rod so that the sealing face can leave the first valve body, and the valve can be opened. By means of the independent driving piece and the valve element linkage mechanism arranged on the second valve body, an operator can directly control the valve to be opened and closed without intervention of an external connector. In the scene of pipeline maintenance or emergency cut-off, the driving piece can actively trigger the valve element to displace so as to decouple the sealing surface, the downtime of the system is remarkably shortened, and the operation safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil circuit pipeline system technical field, in particular to a dry type quick -witted valve. BACKGROUND

[0002] Dry type quick -witted valve as the key component in fluid conveying pipeline system, main application is in petroleum chemical industry, energy storage and transportation etc. industry field. The equipment realizes the quick docking and separation between pipeline and equipment, storage tank or transportation carrier through standardization interface, can significantly improve the fluid medium loading and unloading efficiency, guarantee the sealing requirement of medium in the operation process, avoid environmental pollution and resource waste.

[0003] The dry type quick -witted valve of current industry application generally adopts the design of matched type opening and closing structure. The traditional valve body needs to be used with special docking connector, when the connector is inserted into the valve connecting port, the front end push mechanism acts on the valve core guide rod, forces the valve core to move backward after overcoming the spring resistance, to open the medium flow passage. Although this mechanical linkage type opening and closing mechanism can realize the function of "plug and play", there is obvious structure dependency: the opening and closing state of the valve is completely subject to the physical contact of the matched connector, in the absence of the intervention of the matched connector, the valve lacks independent opening and closing control capability. When the pipeline system needs to be isolated and maintained or segmented pressure tested, the operator cannot directly control the valve state, and must rely on special connector tools to implement opening and closing operation, which significantly increases the operation and maintenance complexity. Secondly, in the emergency treatment scene of sudden leakage, because the valve does not have the function of self -closing, the emergency disposal time may be delayed. Thirdly, the docking connectors produced by different manufacturers have structural parameter differences, which may cause compatibility problems of the valve opening and closing mechanism, affecting the system reliability. SUMMARY

[0004] The utility model aims at providing a dry type quick -witted valve, in the pipeline maintenance or emergency cut -off scene, drive piece can actively trigger valve core displacement to realize sealing surface decoupling, significantly reduce system downtime and improve operation safety.

[0005] In order to realize the above -mentioned purpose, the utility model provides a dry type quick -witted valve, including:

[0006] The first valve body is equipped with movable valve core in the first valve body, one end of the valve core is sealing surface, the sealing surface is closed in one end of the first valve body, and the valve core is connected with drive piece;

[0007] The second valve body is provided with valve rod in the second valve body, the valve rod is connected with the valve core, and the drive piece is arranged on the second valve body. The drive piece can drive the valve core to move along the extension direction of the valve rod, so that the sealing surface leaves the first valve body and opens the valve.

[0008] The utility model discloses a kind of dry quick connection valves, compared with prior art, its beneficial effect is that: one end of first valve body is connected with connector, the sealing surface of valve core is used to seal the one end of first valve body connector, driving member on second valve body connects valve core, valve core is moved along valve stem direction by driving member, to make sealing surface and first valve body remove abutting state, open valve to make valve connect connector. The independent driving member and valve core linkage mechanism of second valve body in the application, operator can directly control valve opening and closing without relying on external connector intervention. In pipeline maintenance or emergency cut-off scene, driving member can actively trigger valve core displacement to realize sealing surface decoupling, significantly reduce system downtime and improve operation safety.

[0009] The utility model discloses a kind of dry quick connection valves, the driving member includes handle, the handle is connected with the rotating shaft of being passed in the second valve body, the one end of the rotating shaft into the second valve body is connected with yoke, the end of the yoke extends into the first valve body and is connected the valve core.

[0010] The utility model discloses a kind of dry quick connection valves, the one end of the valve stem of the valve core is provided with pin shaft, the cavity is formed in the inside of the pin shaft, the cavity is provided with gyro wheel, the both ends of the gyro wheel are fixed to the pin shaft, the yoke is abutted on the gyro wheel.

[0011] The utility model discloses a kind of dry quick connection valves, the outside of the valve stem is equipped with elastic piece, the one end of the elastic piece is abutted on the valve core, the other end is abutted on the second valve body.

[0012] The utility model discloses a kind of dry quick connection valves, the valve core is provided with first sealing element at the outer edge of the sealing surface, to seal valve.

[0013] The utility model discloses a kind of dry quick connection valves, the first valve body and the second valve body are provided with second sealing element.

[0014] The utility model discloses a kind of dry quick connection valves, the second valve body is also provided with the positioning column matched with the handle, when valve reaches maximum open-close angle the handle can be fixed in positioning column.

[0015] The utility model discloses a kind of dry quick connection valves, the one end of the first valve body towards external connector is uniformly provided with three notches.

[0016] Additional aspects and advantages of the utility model will be partly given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is the external structure schematic diagram of the dry type quick connection valve of the embodiment of the utility model;

[0018] Fig. 2 is the exploded structure schematic diagram of the dry type quick connection valve of the embodiment of the utility model;

[0019] Fig. 3 is the cross section structure schematic diagram of the dry type quick connection valve of the embodiment of the utility model;

[0020] In the figure, 1, first valve body;11, notch;12, clamping groove;2, second valve body;21, positioning column;3, valve core;31, sealing surface;32, pin shaft;33, roller;4, valve rod;5, handle;6, rotating shaft;7, yoke;8, elastic member;9, first sealing member;10, second sealing member. DETAILED DESCRIPTION

[0021] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0022] In the description of the utility model, it is understood that the orientation description, such as up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as limiting the utility model.

[0023] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, more than and the like are not included in the number, above, below, within and the like are included in the number. If the first, the second is described, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0024] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection and the like should be understood broadly, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0025] As Figs. 1-3As shown, the utility model discloses a kind of dry quick connection valves of preferred embodiment, including first valve body 1 and second valve body 2, first valve body 1 and second valve body 2 can be separate setting also can be integrated molding setting, meet sealing demand can be.Sliding valve element 3 is equipped in first valve body 1, one end of valve element 3 is sealing surface 31, sealing surface 31 abuts and closes in one end of first valve body 1, valve element 3 is connected with driving element;Second valve body 2 is provided with valve stem 4, the end of second valve body 2 is provided with flange, flange is provided with the valve hole matched with the outer diameter of valve stem 4, to guide valve stem 4 along fixed direction movement;Valve stem 4 connects valve element 3, driving element is arranged on second valve body 2, driving element can drive valve element 3 along the extension direction of valve stem 4 moves, to make sealing surface 31 leave first valve body 1, open valve.

[0026] The end of first valve body 1 is connected with connector, and the sealing surface 31 of the valve element 3 is used to seal one end of the connector of the first valve body 1. The driving element on the second valve body 2 is connected with the valve element 3. After the connector, the valve element 3 is moved along the direction of the valve stem 4 by the driving element, so that the sealing surface 31 is removed from the abutting state with the first valve body 1. The valve is opened to make the valve communicate with the connector. In the maintenance or emergency situation, the valve element 3 can also be moved by the driving element to realize the closing and opening of the valve. The independent driving element and the valve element 3 linkage mechanism provided by the second valve body 2 can directly control the opening and closing of the valve without relying on external connector intervention. In the pipeline maintenance or emergency shutdown scene, the driving element can actively trigger the displacement of the valve element 3 to realize the decoupling of the sealing surface 31, which significantly reduces the system downtime and improves the operation safety.

[0027] In some embodiments of the present application, the driving element includes a handle 5, the handle 5 is connected with a rotating shaft 6 penetrating the second valve body 2, one end of the rotating shaft 6 extending into the second valve body 2 is connected with a yoke 7, the end of the yoke 7 extends into the first valve body 1 and is connected with the valve element 3. The handle 5 is located outside the second valve body 2, which is convenient for personnel operation. The handle 5 rotates to drive the rotating shaft 6 to rotate, and the rotating shaft 6 drives the yoke 7 to convert the torque into thrust to drive the valve element 3 to move. The handle 5-rotating shaft 6-yoke 7 mechanical transmission chain is integrated, so that the personnel can still directly rotate the handle 5 to realize the displacement of the valve element 3 when the power is interrupted or the driving element fails, ensuring the reliability of opening and closing in extreme working conditions.

[0028] In some embodiments of the present application, one end of the valve element 3 connected with the valve stem 4 is provided with a pin shaft 32, one end of the pin shaft 32 is fixed to the valve element 3, and the other end has a slot for accommodating the valve stem 4. The pin shaft 32 further forms a cavity inside, and a roller 33 is arranged in the cavity. The two ends of the roller 33 are fixed to the pin shaft 32, and the curvature of the roller 33 is matched with the yoke 7, and the yoke 7 abuts on the roller 33. When the yoke 7 rotates, it can drive the pin shaft 32 to move along the extension direction of the valve shaft, drive the valve element 3 to leave the first valve body 1, and open the valve.

[0029] In some embodiments of the utility model, the outer side of valve stem 4 is sleeved with elastic piece 8, one end of elastic piece 8 abuts on valve core 3, the other end abuts on second valve body 2.Elastic piece 8 continuously acts between valve core 3 and second valve body 2 by pre-tightening force, applies pressure to valve core 3, applies reset force to valve core 3 when valve core 3 needs to close, makes valve core 3 return to the position of sealing valve, and continuously applies the pressure of closing valve to valve core 3.Specifically, elastic piece 8 includes spring arranged around the outer side of valve stem 4.

[0030] In some embodiments of the utility model, valve core 3 is provided with first sealing piece 9 at the outer edge of sealing surface 31, closes the gap between valve core 3 and first valve body 1 when valve core 3 closes valve, guarantees the sealing effect of valve and prevents leakage.

[0031] In some embodiments of the utility model, when first valve body 1 and second valve body 2 are separately arranged, second sealing piece 10 is arranged between first valve body 1 and second valve body 2, second sealing piece 10 is used to seal the gap between first valve body 1 and second valve body 2, makes the sealing between first valve body 1 and second valve body 2 good, and prevents leakage.

[0032] Specifically, first sealing piece 9 and second sealing piece 10 are both annular sealing rings, which are made of rubber material and have good sealing effect.

[0033] In some embodiments of the utility model, second valve body 2 is also provided with positioning column 21 matched with handle 5, the end of handle 5 is provided with groove position matched with the size of positioning column 21, when the valve reaches the maximum opening angle, the end of handle 5 away from rotating shaft 6 is just rotated to positioning column 21, handle 5 is clamped to positioning column 21 to fix handle 5 on positioning column 21 as a whole, so that the valve maintains the maximum opening angle; when it is needed to close the valve, handle 5 is detached from positioning column 21, and elastic piece 8 is used to complete the reset of valve core 3.

[0034] In some embodiments of the utility model, the end of first valve body 1 towards the external joint is uniformly provided with three notches 11, the three notches 11 can be accurately connected with the connected joint, the end of first valve body 1 close to notch 11 is also provided with clamping groove 12, clamping groove 12 makes the joint connected with the valve fixed in clamping groove 12 during assembly, and reliable connection of the whole valve is formed.

[0035] The working process of the utility model is: one end of first valve body 1 is connected with connector, the sealing surface 31 of valve core 3 is used to seal one end of first valve body 1 connector, the driving element on second valve body 2 is connected with valve core 3, and the driving element includes handle 5, handle 5 is connected with rotating shaft 6 arranged in second valve body 2, one end of rotating shaft 6 inserted into second valve body 2 is connected with yoke 7, handle 5 drives rotating shaft 6 to rotate, and rotating shaft 6 drives yoke 7, and the torque is converted into thrust to drive valve core 3 to move; valve core 3 is driven to move along the direction of valve stem 4 by the driving element, so that the sealing surface 31 is disconnected with first valve body 1, and the valve is opened to make the valve connect with the connector.

[0036] In conclusion, the utility model embodiment provides a kind of dry quick connection valve, its independent driving element and valve core 3 linkage mechanism are arranged by second valve body 2, and operator can directly control valve opening and closing without relying on external connector intervention.In the scene of pipeline maintenance or emergency cut-off, driving element can actively trigger valve core 3 displacement to realize sealing surface 31 decoupling, significantly reduce system downtime and improve operation safety.

[0037] The above is only preferred embodiment of the utility model, it should be pointed out, for ordinary skilled person in the art, without departing from the technical principle of the utility model, several improvements and substitutions can be made, and these improvements and substitutions should be regarded as the protection scope of the utility model.

Claims

1. A dry-type quick-connect valve, characterized in that, include: A first valve body is provided with a movable valve core. One end of the valve core is a sealing surface, which abuts against and seals one end of the first valve body. The valve core is connected to a driving component. A second valve body is provided inside the second valve body, and the valve stem is connected to the valve core. The driving member is provided on the second valve body and can drive the valve core to move along the extension direction of the valve stem so that the sealing surface leaves the first valve body and opens the valve.

2. The dry-type quick-connect valve according to claim 1, characterized in that: The drive unit includes a handle connected to a rotating shaft passing through the second valve body. One end of the rotating shaft extending into the second valve body is connected to a shift fork, and the end of the shift fork extends into the first valve body and is connected to the valve core.

3. The dry-type quick-connect valve according to claim 2, characterized in that: A pin is provided at one end of the valve core that connects to the valve stem. A cavity is formed inside the pin, and a roller is provided inside the cavity. The two ends of the roller are fixed to the pin, and the shift fork abuts against the roller.

4. The dry-type quick-connect valve according to claim 1, characterized in that: An elastic element is sleeved on the outside of the valve stem, with one end of the elastic element abutting against the valve core and the other end abutting against the second valve body.

5. The dry-type quick-connect valve according to claim 1, characterized in that: The valve core is provided with a first sealing element at the outer edge of the sealing surface to seal the valve.

6. The dry-type quick-connect valve according to claim 1, characterized in that: A second sealing element is provided between the first valve body and the second valve body.

7. The dry-type quick-connect valve according to claim 2, characterized in that: The second valve body is also provided with a positioning post that matches the handle. When the valve reaches the maximum opening angle, the handle can be fixed to the positioning post.

8. The dry-type quick-connect valve according to claim 1, characterized in that: The first valve body has three notches evenly distributed on the end facing the external connector.

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