Closed sampling flow path system and six-way integrated valve thereof
By designing a six-way integrated valve, multiple functions are integrated into one valve, solving the problems of increased leakage points and bulkiness caused by multiple valve combinations in existing technologies. This achieves improved safety performance, simplified operation, and reduced costs.
Patent Information
- Application Number
- CN202423296503.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing valves have limited functionality and require multiple valves or external connectors, leading to increased leakage points and bulky products, posing safety hazards.
Design a six-way integrated valve with six ports. The valve controls the flow path opening and closing through the opening and closing mechanism, realizing multi-functional integration, reducing leakage points, and improving safety performance.
It reduced the number of leakage points, improved safety performance, simplified operating procedures, reduced the rate of operational errors, improved work efficiency, and reduced costs.
Smart Images
Figure CN223708636U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a closed sampling flow path system and six-way integrated valve thereof. BACKGROUND
[0002] The conventional valve function is relatively fixed or single; under special working conditions, multiple conventional valves or external joints are often combined and used to realize specific functions. The combination of multiple valves or external joints increases the leakage points and makes the product relatively bulky. In order to reduce the safety hazards caused by leakage points and make the product more portable, a specially-made multi-channel valve is necessary for specific working conditions. SUMMARY
[0003] The utility model discloses a closed sampling flow path system and six-way integrated valve thereof. The six-way integrated valve has six interfaces, and one valve can replace the combination of multiple valves and joints to reduce leakage points and improve safety performance. In addition, the utility model also has the advantages of simple structure and convenient operation, so that the utility model can effectively reduce the operation failure rate and improve the work efficiency.
[0004] To achieve the above technical purpose, the utility model will adopt the following technical scheme:
[0005] A six-way integrated valve comprises a valve body, a valve core and an opening and closing mechanism for driving the valve core to lift, the valve body is provided with six interfaces corresponding to interfaces A to F; wherein:
[0006] The valve core can control the on-off of the interface C and the interface E with the interface A and the interface B under the driving of the starting mechanism;
[0007] The flow path formed between the interface D and the interface F is always in a connected state; the flow path formed between the interface A and the interface B is always in a connected state;
[0008] When the valve core opens the valve body under the driving of the opening and closing mechanism, the flow paths formed between the interface A, the interface B, the interface C and the interface E are all conducted;
[0009] When the valve core closes the valve body under the driving of the opening and closing mechanism, the flow path cross section between the interface A and the interface B is reduced due to the blocking of the valve core, the flow paths formed between the interface C and the interface A and the interface B are cut off, the flow paths formed between the interface E and the interface A and the interface B are cut off, and the flow path between the interface C and the interface E is conducted.
[0010] Preferably, the valve body is provided with a valve cavity and flow paths a-e, wherein: interface A is communicated to the valve cavity through flow path a, interface B is communicated to the valve cavity through flow path b, interface C is communicated with one end of flow path c, interface E is communicated with one end of flow path e, the other end of flow path c and the other end of flow path e are communicated to the valve cavity after converging, flow path d is provided bypassing the valve cavity, one end of flow path d is communicated with interface D, and the other end of flow path d is communicated with interface F; the valve core can open and close the valve cavity under the driving of the opening and closing mechanism, thereby realizing the opening and closing of the valve body; when the valve core opens the valve body under the driving of the opening and closing mechanism, interfaces A, B, C and E are all communicated with the valve cavity; when the valve core closes the valve body under the driving of the opening and closing mechanism, the lower end of the valve core can simultaneously cut off the communication of flow paths c and e with the valve cavity and block the flow path section between interfaces A and B, thereby reducing the flow path section between interfaces A and B.
[0011] Preferably, the interfaces A to F are all flange interfaces or threaded interfaces.
[0012] Preferably, the opening and closing mechanism comprises a valve handle and a valve rod, the valve handle is connected with the valve core through the valve rod; the valve rod is threadedly connected with the valve body; the valve rod drives the valve core to ascend and descend through the rotation of the valve handle, thereby realizing the opening / closing of the valve body.
[0013] Another technical purpose of the utility model is to provide a kind of closed sampling flow path system, including closed sampling bottle, medium input flow path, medium output flow path, nitrogen input flow path and tail gas exhaust flow path, also include six-way integrated valve;The six-way integrated valve includes valve body, valve core and opening and closing mechanism of driving valve core to ascend and descend, the valve body is provided with six interfaces, corresponding for interface A to F;Wherein:
[0014] The outlet of medium input flow path is communicated with interface A in butt joint;The inlet of medium output flow path is communicated with interface B in butt joint;The outlet of nitrogen input flow path is communicated with interface E in butt joint, and control valve is installed on nitrogen input flow path;The sample inlet of closed sampling bottle is communicated with interface C in butt joint;The exhaust port of closed sampling bottle is communicated with interface D in butt joint;And the inlet of tail gas exhaust flow path is communicated with interface F in butt joint;
[0015] When the valve core opens the valve body under the driving of the opening and closing mechanism, medium flows out in sequence through medium input flow path, interface A, interface B, medium output flow path, and part of medium flows into closed sampling bottle through interface C;
[0016] When the valve core is closed under the driving of the opening and closing mechanism, the flow path between the interface A and the interface B is reduced in flow cross section due to the blocking of the valve core, the flow path between the interface E and the interface A and the interface B is cut off, the flow path between the interface C and the interface A and the interface B is cut off, and the flow path between the interface E and the interface C is conducted; at this time, the medium can still flow out through the medium input flow path, the interface A, the interface B and the medium output flow path in sequence; the nitrogen gas flows into the sealed sampling bottle through the nitrogen gas input flow path, the interface E and the interface C in sequence;
[0017] The gas in the sealed sampling bottle enters the tail gas discharge flow path through the interface D and the interface F in sequence.
[0018] Preferably, the interface A and the interface B are on the same straight line.
[0019] Preferably, the interfaces A to F are all flange interfaces or threaded interfaces.
[0020] Preferably, the opening and closing mechanism comprises a valve handle and a valve rod, the valve handle is connected with the valve core through the valve rod; the valve rod is connected with the valve body in a threaded mode; the valve rod drives the valve core to ascend and descend through the rotation of the valve handle, so that the valve body is opened / closed.
[0021] Based on the above technical purposes, compared with the prior art, the utility model has the following advantages:
[0022] 1、 the six-way integrated valve structure compact, can use a valve instead of the combination of multiple valves and joints, reduce the leakage point, improve the safety performance.
[0023] 2、 the six-way integrated valve structure simple, convenient operation, can effectively reduce the operation failure rate, improve the work efficiency.
[0024] 3、 the six-way integrated valve can reduce the combination of valve and joint, so as to achieve the purpose of reducing cost, more economical. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is the front view of the six-way integrated valve (valve opening) of the utility model;
[0026] Figure 2 It is the front view of the six-way integrated valve (valve closing) of the utility model;
[0027] Figure 3 It is the structure schematic view of the interface C section of the six-way integrated valve (valve opening) of the utility model;
[0028] Figure 4 It is the structure schematic view of the interface C section of the six-way integrated valve (valve closing) of the utility model;
[0029] Figure 5 This is a structural schematic diagram of the interface D section of the six-way integrated valve (valve opening) described in this utility model;
[0030] Figure 6 This is a schematic diagram of the closed sampling flow path system described in this utility model;
[0031] In the diagram: 1-valve body; 2-valve handle; 3-valve core. Detailed Implementation
[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model. Unless otherwise specifically stated, the relative arrangement, expressions, and values of components and steps set forth in these embodiments do not limit the scope of the present utility model. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.
[0033] For ease of description, spatial relative terms such as "above," "over," "on the upper surface of," "above," etc., are used here to describe the spatial positional relationship of a device or feature as shown in the figure with other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation besides the orientation of the device as described in the figure. For example, if the device in the figure is inverted, a device described as "above" or "above" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations).
[0034] Example 1
[0035] like Figures 1 to 5The utility model discloses a six -way integrated valve, including valve body, valve core and drive valve core to open and close mechanism, the valve body is provided with six interfaces, corresponding for interface A to F, wherein: valve core can control interface A, interface B, interface C and interface E's on-off under the drive of starting mechanism, and the flow path formed between interface D and interface F is always in the intercommunication state. In other words, the six -way integrated valve of the utility model, the flow path formed between interface D and interface F is not influenced by the on-off of valve core.
[0036] In the utility model, interface A to F type is not fixed, can be flange connection mode, can be screw connection mode or other type interface mode.
[0037] In the utility model, open and close mechanism can adopt conventional valve control open and close mechanism, here is not limited, only need to can drive valve core to move, and then realize valve body open and close can. For example, the open and close mechanism includes valve handle and valve rod, and the valve handle is connected with the valve core through the valve rod, the valve rod is connected with the valve body in screw thread cooperation, and the valve rod drives the valve core to lift through the rotation of the valve handle, to realize the opening / closing of the valve body.
[0038] In the utility model, the valve body is provided with valve cavity and flow path a-e, interface A is communicated to valve cavity through flow path a, interface B is communicated to valve cavity through flow path b, interface C is communicated with one end of flow path c, interface E is communicated with one end of flow path e, and the other end of flow path c and the other end of flow path e are communicated to valve cavity after confluence. Flow path d is bypassed relative to valve cavity, and one end of flow path d is communicated with interface D, and the other end of flow path d is communicated with interface F. The valve core can open and close the valve cavity under the drive of the open and close mechanism, and then realize the opening and closing of the valve body. Specifically, when the valve core is driven by the open and close mechanism to move upward to the upper limit point, the valve body is in the open state, and interface A, interface B, interface C and interface E are all communicated with the valve cavity. When the valve core is driven by the open and close mechanism to move downward to the lower limit point, the valve body is in the closed state, and the lower end of the valve core can simultaneously cut off the communication between flow path c, flow path e and the valve cavity, and block the flow path cross section between interface A and interface B, thereby reducing the flow path cross section between interface A and interface B. As can be seen, the utility model can realize that when the valve core is driven by the open and close mechanism to open the valve body, the flow paths formed between interface A, interface B, interface C and interface E are all communicated. When the valve core is driven by the open and close mechanism to close the valve body, the flow path cross section between interface A and interface B is reduced due to the blocking of the valve core, the flow paths formed between interface C and interface A, interface B are cut off, the flow paths formed between interface E and interface A, interface B are cut off, and the flow path between interface C and interface E is communicated.
[0039] Embodiment 2
[0040] This embodiment is an application example of the above-mentioned six-way integrated valve in oil product closed sampling.
[0041] As Figure 6 shown, the closed sampling flow path system, including closed sampling bottle, medium input flow path, medium output flow path, nitrogen input flow path and tail gas discharge flow path, characterized by, still including six pass integrated valve;The six pass integrated valve includes valve body, valve core and drive valve core lifting opening and closing mechanism, the valve body is provided with six interfaces, corresponding for interface A to F;Among them:
[0042] The outlet of the medium input flow path is connected with interface A;The inlet of the medium output flow path is connected with interface B;The outlet of the nitrogen input flow path is connected with interface E, and a control valve is installed on the nitrogen input flow path;The sampling inlet of the closed sampling bottle is connected with interface C;The exhaust port of the closed sampling bottle is connected with interface D;And the inlet of the tail gas discharge flow path is connected with interface F;
[0043] When the valve core is opened under the driving of the opening and closing mechanism, the medium flows out through the medium input flow path, interface A, interface B and the medium output flow path in turn, and part of the medium flows into the closed sampling bottle through interface C;
[0044] When the valve core is closed under the driving of the opening and closing mechanism, the flow path between interface A and interface B is reduced in cross section due to the blocking of the valve core, the flow path between interface E and interface A, interface B is cut off, the flow path between interface C and interface A, interface B is cut off, and the flow path between interface E and interface C is connected;At this time, the medium still flows out through the medium input flow path, interface A, interface B and the medium output flow path in turn;Nitrogen flows into the closed sampling bottle through the nitrogen input flow path, interface E and interface C in turn;
[0045] The gas in the closed sampling bottle enters the tail gas discharge flow path through interface D and interface F in turn.
[0046] When sampling, open the six pass integrated valve, the medium flows out through the medium input flow path, interface A, interface B and the medium output flow path in turn, and part of the medium flows into the closed sampling bottle through interface C, at this time, the gas in the closed sampling bottle flows to interface F through interface D, so as to enter the tail gas discharge flow path.
[0047] When sampling is finished, close the six pass integrated valve, introduce nitrogen from the nitrogen input flow path, and flow into the closed sampling bottle through interface E and interface C, so as to clean the residual fluid in the flow path between interface E and interface C, and avoid the influence of residual fluid on next sampling.
[0048] Example 3
[0049] This embodiment is the application of the above six pass integrated valve in special fluid conveying.
[0050] The special fluid is a fluid with high viscosity and poor flowability under low temperature and low viscosity and good flowability under high temperature.
[0051] When conveying, the interfaces ABCE can be connected with the medium pipeline respectively, and the interfaces D and F are connected with steam or hot water, hot oil or other heat medium; the heat medium is used to heat the valve body, thereby reducing the viscosity of the fluid and improving the flowability of the fluid.
Claims
1. A six-way integrated valve, comprising a valve body, a valve core, and an opening and closing mechanism for driving the valve core to rise and fall, characterized in that, The valve body is provided with six ports, corresponding to ports A to F; wherein: Driven by the starting mechanism, the valve core can control the connection and disconnection of interface C and interface E with interface A and interface B, respectively. The flow path formed between interface D and interface F is always in a connected state; the flow path formed between interface A and interface B is always in a connected state. When the valve core opens the valve body under the action of the opening and closing mechanism, the flow paths formed between interface A, interface B, interface C and interface E are all connected. When the valve core closes the valve body under the action of the opening and closing mechanism, the flow path cross section between interface A and interface B is reduced due to the obstruction of the valve core. The flow path formed by interface C with interface A and interface B is cut off, and the flow path formed by interface E with interface A and interface B is cut off. However, the flow path between interface C and interface E is open.
2. The six-way integrated valve according to claim 1, characterized in that, The valve body is provided with a valve cavity and a flow path ae, wherein: Interface A is connected to the valve cavity through flow path a, interface B is connected to the valve cavity through flow path b, interface C is connected to one end of flow path c, interface E is connected to one end of flow path e, and the other end of flow path c and the other end of flow path e merge and are connected to the valve cavity. The flow path d is configured to bypass the valve chamber, and one end of the flow path d is connected to the interface D, while the other end of the flow path d is connected to the interface F. The valve core can open and close the valve chamber under the action of the opening and closing mechanism, thereby realizing the opening and closing of the valve body; When the valve core opens the valve body under the action of the opening and closing mechanism, interfaces A, B, C and E are all connected to the valve cavity. When the valve core closes the valve body under the action of the opening and closing mechanism, the lower end of the valve core can simultaneously cut off the connection between flow path c, flow path e and valve cavity, and block the flow path cross-section between interface A and interface B, thereby reducing the flow path cross-section between interface A and interface B.
3. The six-way integrated valve according to claim 1, characterized in that, All interfaces A through F are either flange interfaces or threaded interfaces.
4. The six-way integrated valve according to claim 1, characterized in that, The opening and closing mechanism includes a valve handle and a valve stem. The valve handle is connected to the valve core via the valve stem; the valve stem is threadedly connected to the valve body; the valve stem, through the rotation of the valve handle, drives the valve core to rise and fall, thereby opening / closing the valve body.
5. A closed sampling flow path system, comprising a closed sampling bottle, a medium input flow path, a medium output flow path, a nitrogen input flow path, and a tail gas discharge flow path, characterized in that, It also includes a six-way integrated valve; the six-way integrated valve includes a valve body, a valve core, and an opening and closing mechanism for driving the valve core to rise and fall, the valve body is provided with six ports, corresponding to ports A to F; wherein: The outlet of the medium input flow path is connected to interface A; the inlet of the medium output flow path is connected to interface B; the outlet of the nitrogen input flow path is connected to interface E, and a control valve is installed on the nitrogen input flow path; the inlet of the sealed sampling bottle is connected to interface C; the exhaust port of the sealed sampling bottle is connected to interface D; and the inlet of the tail gas discharge flow path is connected to interface F. When the valve core opens the valve body under the action of the opening and closing mechanism, the medium flows out sequentially through the medium input flow path, interface A, interface B, and medium output flow path, and some of the medium flows into the sealed sampling bottle through interface C. When the valve core closes the valve body under the action of the opening and closing mechanism, the flow path between interface A and interface B is reduced due to the obstruction of the valve core, the flow path between interface E and interfaces A and B is cut off, the flow path between interface C and interfaces A and B is cut off, while the flow path between interfaces E and C is open; at this time, the medium can still flow out sequentially through the medium input flow path, interface A, interface B, and medium output flow path; nitrogen gas flows into the sealed sampling bottle sequentially through the nitrogen gas input flow path, interface E, and interface C; The gas inside the sealed sampling bottle enters the exhaust gas discharge path sequentially through interface D and interface F.
6. The closed sampling flow path system according to claim 5, characterized in that, Interface A and interface B are on the same straight line.
7. The closed sampling flow path system according to claim 5, characterized in that, All interfaces A through F are either flange interfaces or threaded interfaces.
8. The closed sampling flow path system according to claim 5, characterized in that, The opening and closing mechanism includes a valve handle and a valve stem. The valve handle is connected to the valve core through the valve stem; the valve stem is threadedly connected to the valve body; the valve stem, through the rotation of the valve handle, drives the valve core to rise and fall, thereby opening / closing the valve body.