CN202756680U - Fluid transportation closed-loop control system - Google Patents
Fluid transportation closed-loop control system Download PDFInfo
- Publication number
- CN202756680U CN202756680U CN 201220357033 CN201220357033U CN202756680U CN 202756680 U CN202756680 U CN 202756680U CN 201220357033 CN201220357033 CN 201220357033 CN 201220357033 U CN201220357033 U CN 201220357033U CN 202756680 U CN202756680 U CN 202756680U
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- Prior art keywords
- piston
- liquid outlet
- valve
- control system
- loop control
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- Expired - Fee Related
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Abstract
The utility model discloses a fluid transportation closed-loop control system. The fluid transportation closed-loop control system solves the problems that pipeline connecting pieces are needed to be arranged when a pipeline changes lines so that transportation leakproofness can not be guaranteed and pipeline construction cost is increased in the prior art. The fluid transportation closed-loop control system comprises a valve body (1), a circulation pipeline (2), a liquid inlet (3), an operating valve (4), a main liquid outlet (5) and an auxiliary liquid outlet (6), wherein the circulation pipeline (2) is connected with the valve body (1) in cross mode through a valve regulating mechanism, the liquid inlet (3) is arranged on one end of the valve body (1), the operating valve (4) is arranged on the other end of the valve body (1), and the main liquid outlet (5) and the auxiliary liquid outlet (6) are respectively arranged on two ends of the circulation pipeline (2). The valve regulating mechanism comprises a piston (7) provided with a bent cavity (9), and a piston matching connection body (8) flexibly connected with the piston (7) and provided with an inner cavity. At least two spring pressing pieces (11) are arranged on the piston (7), and grooves matched with the spring pressing pieces (11) are arranged in the piston matching connection body (8).
Description
Technical field
The utility model relates to a kind of valve, specifically, is that a kind of fluid is carried closed loop control system.
Background technique
In various water deliverys, oil transportation and aerophobic tube road, because the change in pipe laying path often needs to install a plurality of laterals, to realize the change of conveying circuit.Usually, the way of conventional tube change is that then perforate installs bilateral or three-limb tube spare on main delivery pipe, so not only installation procedure is numerous and diverse, and because the multichannel installation of pipeline, it detects very trouble, connected node just increases inevitably, causes the phenomenons such as conveyance conduit leaks air, leakage of oil; On the other hand, the consumptive material of pipeline increases along with increasing of branch, has increased the installation cost of pipeline.
The model utility content
The purpose of this utility model is to overcome defects, provide a kind of overall structure simple, realize easily valve.
To achieve these goals, the scheme of the utility model employing is as follows:
Fluid is carried closed loop control system, comprise valve body, by valve regulating and controlling mechanism and the cross-coupled circulation duct of this valve body, be arranged on the liquid entering hole of valve body one end, be arranged on the control valve of the valve body the other end, and be separately positioned on the main liquid outlet at circulation duct two ends, secondary liquid outlet; Described valve regulating and controlling mechanism comprises the piston with curved chamber, the piston with inner chamber that is flexibly connected with this piston body that is connected, this piston body that is connected is communicated with described liquid entering hole, main liquid outlet and secondary liquid outlet respectively, the curved chamber of a piston then end is communicated with liquid entering hole, the other end passes the sidewall of piston, and its position is provided with at least two elastic pressing plates over against main liquid outlet or secondary liquid outlet at described piston, then is provided with the groove that is complementary with elastic pressing plate in piston is connected body.
Further, also be provided with handle at described piston head, and this handle embeds in the described control valve.
Further, be provided with outside thread at described liquid entering hole.
Further, be connected inner chamber and the piston of body of described plug is complementary.
In order better to realize the utility model, described control valve is cylindrical, is provided with the friction striped at its appearance wall.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model is not only simple in structure, and with low cost, realization convenience;
(2) valve body passes through valve regulating and controlling mechanism and circulation duct in the utility model, be provided with main liquid outlet and the secondary liquid outlet that is interconnected at the circulation duct two ends, the valve regulating and controlling mechanism then comprises the piston with curved chamber, the piston with inner chamber that is flexibly connected with this piston body that is connected, this piston be connected body respectively with described liquid entering hole, main liquid outlet and secondary liquid outlet are communicated with, the curved chamber of a piston then end is communicated with liquid entering hole, the other end passes the sidewall of piston, and its position is over against main liquid outlet or secondary liquid outlet, piston rotation can change the communication direction of liquid entering hole, realize carrying and change, not only operation is succinct, and need not remaining pipeline connecting parts is installed again, provide cost savings widely;
(3) control valve is cylindrical described in the utility model, be provided with the friction striped at its appearance wall, staff changes the pipeline connection direction by the slewing maneuver valve, and skidding when the friction striped on it has prevented operation avoids operating defective invalid, operate miss effectively;
(4) the utility model is provided with at least two elastic pressing plates at piston, in being connected body, piston then is provided with the groove that is complementary with elastic pressing plate, when rotating piston during to the appropriate location, elastic pressing plate then embeds piston and is connected in the groove in the body, prevent that piston from rotating again, effectively guaranteed the rotation precision of piston;
(5) material therefor is common on the market common material in the utility model, and its cost is very cheap, has established favourable basis for it promotes the use on a large scale.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the exploded perspective view of valve regulating and controlling mechanism.
Wherein, the component name that reference character is corresponding is called: 1-valve body, 2-circulation duct, 3-liquid entering hole, 4-control valve, 5-master's liquid outlet, the secondary liquid outlet of 6-, 7-piston, the 8-piston body that is connected, the curved chamber of 9-, 10-handle, 11-elastic pressing plate.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof the utility model is described in further detail, but mode of execution of the present utility model is not limited to this.
Embodiment
As shown in Figure 1, 2, fluid is carried closed loop control system, comprise valve body 1, by valve regulating and controlling mechanism and this valve body 1 cross-coupled circulation duct 2, be arranged on the liquid entering hole 3 of valve body 1 one ends, be arranged on the control valve 4 of valve body 1 the other end, and the main liquid outlet 5, the secondary liquid outlet 6 that are separately positioned on circulation duct 2 two ends; Described valve regulating and controlling mechanism comprises the piston 7 with curved chamber 9, the piston with inner chamber that is flexibly connected with this piston 7 body 8 that is connected, this piston body 8 that is connected is communicated with described liquid entering hole 3, main liquid outlet 5 and secondary liquid outlet 6 respectively, the curved chamber 9 of piston 7 a then end is communicated with liquid entering hole 3, the other end passes the sidewall of piston 7, and its position is over against main liquid outlet 5 or secondary liquid outlet 6.Piston rotation can change the communication direction of liquid entering hole, realizes carrying and changes, and not only operation is succinct, and need not remaining pipeline connecting parts is installed again, provides cost savings widely.
In the present embodiment, for easy-to-operat, also be provided with handle 10 at described piston 7 tops, and this handle 8 embeds in the described control valve 4.
In the present embodiment, be provided with at least two elastic pressing plates 11 at piston 7, in being connected body 8, piston then is provided with the groove that is complementary with elastic pressing plate 11, when rotating piston 7 during to the appropriate location, elastic pressing plate then embeds piston and is connected in the groove in the body, prevent that piston from rotating again, effectively guaranteed the rotation precision of piston.
In order to make things convenient for input duct to be connected with the utility model, be provided with outside thread at described liquid entering hole 3.
For fear of liquid, the gas leakage of carrying, be connected inner chamber and the piston 7 of body 8 of described plug is complementary.
In the present embodiment, skidding in order to prevent from operating avoids operating defective invalid, operate miss effectively, and described control valve 4 is cylindrical, is provided with the friction striped at its appearance wall.
According to above-described embodiment, can well realize the utility model.
Claims (5)
1. fluid is carried closed loop control system, it is characterized in that: comprise valve body (1), by valve regulating and controlling mechanism and the cross-coupled circulation duct of this valve body (1) (2), be arranged on the liquid entering hole (3) of valve body (1) one end, be arranged on the control valve (4) of valve body (1) the other end, and the main liquid outlet (5), the secondary liquid outlet (6) that are separately positioned on circulation duct (2) two ends; Described valve regulating and controlling mechanism comprises the piston (7) with curved chamber (9), the piston with inner chamber that is flexibly connected with this piston (7) body (8) that is connected, this piston be connected body (8) respectively with described liquid entering hole (3), main liquid outlet (5) and secondary liquid outlet (6) are communicated with, the curved chamber (9) of piston (a 7) then end is communicated with liquid entering hole (3), the other end passes the sidewall of piston (7), and its position is over against main liquid outlet (5) or secondary liquid outlet (6), be provided with at least two elastic pressing plates (11) at described piston (7), in piston is connected body (8), then be provided with the groove that is complementary with elastic pressing plate (11).
2. fluid according to claim 1 is carried closed loop control system, it is characterized in that: also be provided with handle (10) at described piston (7) top, and this handle (8) embeds in the described control valve (4).
3. fluid according to claim 2 is carried closed loop control system, it is characterized in that: be provided with outside thread at described liquid entering hole (3).
4. fluid according to claim 3 is carried closed loop control system, it is characterized in that: be connected inner chamber and the piston (7) of body (8) of described plug is complementary.
5. fluid according to claim 4 is carried closed loop control system, and it is characterized in that: described control valve (4) is cylindrical, is provided with the friction striped at its appearance wall.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220357033 CN202756680U (en) | 2012-07-23 | 2012-07-23 | Fluid transportation closed-loop control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220357033 CN202756680U (en) | 2012-07-23 | 2012-07-23 | Fluid transportation closed-loop control system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202756680U true CN202756680U (en) | 2013-02-27 |
Family
ID=47735864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220357033 Expired - Fee Related CN202756680U (en) | 2012-07-23 | 2012-07-23 | Fluid transportation closed-loop control system |
Country Status (1)
Country | Link |
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CN (1) | CN202756680U (en) |
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2012
- 2012-07-23 CN CN 201220357033 patent/CN202756680U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20130723 |