CN202733148U - Self-operated flow control valve with opening degree display and locking functions - Google Patents
Self-operated flow control valve with opening degree display and locking functions Download PDFInfo
- Publication number
- CN202733148U CN202733148U CN 201220302466 CN201220302466U CN202733148U CN 202733148 U CN202733148 U CN 202733148U CN 201220302466 CN201220302466 CN 201220302466 CN 201220302466 U CN201220302466 U CN 201220302466U CN 202733148 U CN202733148 U CN 202733148U
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- chamber
- gear
- valve rod
- outer cover
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Abstract
The utility model discloses a self-operated flow control valve with opening degree display and locking functions, which comprises a valve body, a bonnet, a valve stem, a piston type valve plate and a sleeve type valve seat, an outer cover is arranged upon the bonnet, a locking gear which is fixedly sleeved on the valve stem is arranged in the outer cover, a graduated wheel which is fixedly sleeved on the valve stem and is used for displaying the rotating angle of the valve stem is arranged upon the outer cover, the graduated wheel and the locking gear can coaxially and synchronously rotate, a display gear which is positioned in the outer cover and can rotate around a shaft is arranged over the locking gear as well, one side of the display gear extends out of the outer cover, the display gear can be provided with numbers which correspondingly display the number of gear teeth, and a driving pin which can drive the display gear to rotate is fixed on the outer edge of the lower end of the graduated wheel. Since the flow control valve has the digital opening degree display system and the locking functions, the opening degree of the valve can be visually seen, so that the valve can be conveniently adjusted by debugging personnel, and the locking function can prevent unauthorized people from illegally operating the valve to affect the safe operation of a pipeline system.
Description
Technical field
The utility model relates to the control valve field, particularly a kind of self-operated flow control valve with valve position and locking.
Background technique
The flow control valve of existing market, basically do not possess digital opening display device and lock function, can't see very intuitively the opening degree of valve, to the commissioning staff valve is regulated and to be brought inconvenience, and unrelated person can carry out illegal arbitrarily operation to valve, affects the safe operation of pipe-line system.
Summary of the invention
In order to overcome defects, the utility model provides a kind of self-operated flow control valve with valve position and locking.
The utility model for the technological scheme that solves its technical problem and adopt is: a kind of self-operated flow control valve with valve position and locking, comprise valve body, valve gap, valve rod, piston type valve plate and telescopic valve seat, valve gap is connected by bolt seal with valve body, in valve gap, be provided with a valve rod, valve gap is stretched out in the valve rod upper end, the lower end of valve rod connects the piston type valve plate, the piston type valve plate is divided into valve body and enters chamber and exhaust chamber, the piston type valve plate is threaded with the lower end of valve rod, cooperate in the middle of valve seat is located in the valve body and with the piston type valve plate, described valve gap top is provided with an outer cover, be provided with a fixed cover in the described outer cover and be located at lock gear on the valve rod, the outer cover top is provided with a fixed cover and is located at the degrees wheel that is used for showing the valve rod rotation angle on the valve rod, degrees wheel and lock gear coaxial synchronous rotate, described lock gear top also is provided with a demonstration gear that is positioned to sway in the outer cover, a side that shows gear is stretched out outer cover, showing to have the corresponding numeral that shows tooth number on the gear, described degrees wheel lower end outer rim is fixed with one and stirs the finger that shows that gear rotates.
As further improvement of the utility model, described outer cover also is provided with one for the gear lock that pins lock gear near a side of lock gear.
As further improvement of the utility model, described valve body bottom is communicated with a chamber of septum, be fixed with a diaphragm in the middle of the chamber of septum chamber of septum is divided into upper chamber of septum and lower diaphragm plate chamber, described upper chamber of septum is communicated with exhaust chamber, the lower diaphragm plate chamber enters the chamber by a pilot Lu Guanyu and is communicated with, establish an auxiliary valve rod in the described chamber of septum, the auxiliary valve rod upper end is fixedly connected with the upper chamber of septum of a control and the logical film chamber cover that closes of exhaust chamber, and the auxiliary valve rod lower end is fixedly connected with diaphragm.
As further improvement of the utility model, described auxiliary valve rod lower end is provided with a diaphragm pressing plate, and diaphragm is fixed in the diaphragm pressing plate, and a sheathed spring on the auxiliary valve rod, and the spring lower end pushes against the diaphragm pressing plate, and the spring upper end pushes against the chamber of septum top.
Working principle of the present utility model is as follows: by the manual rotation valve rod piston type valve plate is moved up and down in valve body, form different apertures from valve seat, thereby the rate-of flow in the controlled pipeline is fixed the adjusting of formula;
When the manual rotation valve rod is regulated, valve rod drives dial fixed thereon and rotates, be manufactured with graduation line and the numeral of ten five equilibriums above the dial, valve rod rotates a circle dial and also turns around, state when the numeral on it has shown valve rod rotation several circle the at zero point, dial is provided with finger, its every rotation one is enclosed finger then and is namely stirred the number of turns and show gear one tooth on the wheel, be manufactured with numeral on the excircle side because of number of turns demonstration wheel, can have shown accordingly the number of turns that valve rod rotates so the number of turns shows wheel.
Reach the requirement of needs when the adjusting to valve after, can lock lock gear by gear lock with key, lock gear and valve rod are fixed together, and have so just reached the purpose of pinning valve.
Upper chamber of septum and lower diaphragm plate chamber form a pressure reduction control chamber, diaphragm is separated into up and down two-part with the pressure reduction control chamber, in system's running when valve inlet pressure changes, the pressure chamber bottom is by the variation of the required pressure of PRESSURE PIPE road feel, diaphragm carries out dynamic adjustments by auxiliary valve rod drive film chamber cover to the aperture of valve under the cooperative action power of upper and lower cavity pressure difference and spring, thereby reaches the function of the pressure reduction homeostasis of keeping controlled branch road in the pipe-line system.
The beneficial effects of the utility model are: flow control valve of the present utility model has digital opening display device and lock function, can see very intuitively the opening degree of valve, make things convenient for the commissioning staff that valve is regulated, lock function can prevent that unrelated person from carrying out illegal operation to valve, affect the safe operation of pipe-line system, and in pipeline as required manual tune set flow, simultaneously again can be constant by the pressure reduction that the pressure reduction control chamber keeps before and after the valve automatically is set, thereby realize controlled branch road constant flow, can realize the dynamic hydraulic equilibrium between each branch road.
Description of drawings
Fig. 1 is the utility model structural profile schematic diagram;
Fig. 2 is the side-looking partial cutaway schematic of Fig. 1.
Embodiment
In order to deepen understanding of the present utility model, the utility model is described in further detail below in conjunction with embodiment and accompanying drawing, and this embodiment only is used for explaining the utility model, does not consist of the restriction to the utility model protection domain.
Fig. 1-2 has shown a kind of mode of execution of a kind of self-operated flow control valve with valve position and locking of the utility model, comprise valve body 1, valve gap 2, valve rod 3, piston type valve plate 4 and telescopic valve seat 5, valve gap 2 and valve body 1 are connected by bolt seal, in valve gap 2, be provided with a valve rod 3, valve gap 2 is stretched out in valve rod 3 upper ends, the lower end of valve rod 3 connects piston type valve plate 4, piston type valve plate 4 is divided into valve body 1 and enters chamber 11 and exhaust chamber 12, piston type valve plate 4 is threaded with the lower end of valve rod 3, valve seat 5 is located at valve body 1 interior centre and is cooperated with piston type valve plate 4, described valve gap 2 tops are provided with an outer cover 6, be provided with a fixed cover in the described outer cover 6 and be located at lock gear 7 on the valve rod 3, outer cover 6 tops are provided with a fixed cover and are located at the degrees wheel 8 that is used for showing valve rod 3 rotation angles on the valve rod 3, degrees wheel 8 rotates with lock gear 7 coaxial synchronous, described lock gear 7 tops also are provided with one and are positioned the demonstration gear 9 that sways in the outer cover 6, a side that shows gear 9 is stretched out outer cover 6, showing to have the corresponding numeral that shows tooth number on the gear 9, described degrees wheel 8 lower end outer rims are fixed with one and stir the finger 10 that shows that gear 9 rotates; Described outer cover 6 also is provided with one for the gear lock 13 that pins lock gear 7 near a side of lock gear 7; When manual rotation valve rod 3 is regulated, valve rod 3 drives degrees wheel fixed thereon 8 and rotates, be provided with finger 10 below the degrees wheel 8, its every rotation one is enclosed finger 10 then and is namely stirred the number of turns and show gear one tooth on the wheel 9, be manufactured with numeral on the excircle side because of number of turns demonstration wheel 9, so the number of turns shows wheel 9 and can show accordingly the number of turns that valve rod 3 rotates, make things convenient for the commissioning staff that valve is regulated, after the adjusting of valve reached the requirement that needs, can lock by 13 pairs of lock gear 7 of gear lock with key, lock gear 7 is fixed together with valve rod 3, so just reached the purpose of pinning valve, prevent that unrelated person from carrying out illegal operation to valve, affects the safe operation of pipe-line system.
Described valve body 1 bottom is communicated with a chamber of septum 14, be fixed with a diaphragm 15 in the middle of the chamber of septum 14 chamber of septum 14 is divided into upper chamber of septum 16 and lower diaphragm plate chamber 17, described upper chamber of septum 16 is communicated with exhaust chamber 12, lower diaphragm plate chamber 17 by pilot road pipe 18 with enter chamber 11 and be communicated with, establish an auxiliary valve rod 19 in the described chamber of septum 14, auxiliary valve rod 19 upper ends are fixedly connected with the upper chamber of septum 16 of a control and the exhaust chamber 12 logical film chamber covers 20 that close, and auxiliary valve rod 19 lower ends are fixedly connected with diaphragm 15; Described auxiliary valve rod 19 lower ends are provided with a diaphragm pressing plate 21, diaphragm 15 is fixed in the diaphragm pressing plate 21, an and sheathed spring 22 on the auxiliary valve rod 19, spring 22 lower ends push against diaphragm pressing plate 21, spring 22 upper ends push against chamber of septum 14 tops, in system's running when valve inlet pressure changes, the variation of pressure is sensed in the pressure chamber bottom by pilot pipeline 18, diaphragm 15 carries out dynamic adjustments by the aperture that auxiliary valve rod 19 drives 20 pairs of valves of film chamber cover under the cooperative action power of upper and lower cavity pressure difference and spring 22, thereby reaches the function of the pressure reduction homeostasis of keeping controlled branch road in the pipe-line system.
Claims (4)
1. self-operated flow control valve with valve position and locking, comprise valve body (1), valve gap (2), valve rod (3), piston type valve plate (4) and telescopic valve seat (5), valve gap (2) is connected by bolt seal with valve body (1), in valve gap (2), be provided with a valve rod (3), valve gap (2) is stretched out in valve rod (3) upper end, the lower end of valve rod (3) connects piston type valve plate (4), piston type valve plate (4) is divided into valve body (1) and enters chamber (11) and exhaust chamber (12), piston type valve plate (4) is threaded with the lower end of valve rod (3), cooperate in the middle of valve seat (5) is located in the valve body (1) and with piston type valve plate (4), it is characterized in that: described valve gap (2) top is provided with an outer cover (6), be provided with a fixed cover in the described outer cover (6) and be located at lock gear (7) on the valve rod (3), outer cover (6) top is provided with a fixed cover and is located at the upper degrees wheel (8) that is used for showing valve rod (3) rotation angle of valve rod (3), degrees wheel (8) rotates with lock gear (7) coaxial synchronous, described lock gear (7) top also is provided with one and is positioned the demonstration gear (9) that sways in the outer cover (6), a side that shows gear (9) is stretched out outer cover (6), showing to have the corresponding numeral that shows tooth number on the gear (9), described degrees wheel (8) lower end outer rim is fixed with one and stirs the finger (10) that shows that gear (9) rotates.
2. the self-operated flow control valve with valve position and locking according to claim 1 is characterized in that: described outer cover (6) also is provided with one near a side of lock gear (7) and is used for pinning the gear lock (13) of lock gear (7).
3. the self-operated flow control valve with valve position and locking according to claim 1, it is characterized in that: described valve body (1) bottom is communicated with a chamber of septum (14), be fixed with a diaphragm (15) in the middle of the chamber of septum (14) chamber of septum (14) is divided into upper chamber of septum (16) and lower diaphragm plate chamber (17), described upper chamber of septum (16) is communicated with exhaust chamber (12), lower diaphragm plate chamber (17) is managed (18) and is entered chamber (11) and be communicated with by a pilot road, establish an auxiliary valve rod (19) in the described chamber of septum (14), auxiliary valve rod (19) upper end is fixedly connected with the upper chamber of septum (16) of a control and the logical film chamber cover (20) that closes of exhaust chamber (12), and auxiliary valve rod (19) lower end is fixedly connected with diaphragm (15).
4. the self-operated flow control valve with valve position and locking according to claim 3, it is characterized in that: described auxiliary valve rod (19) lower end is provided with a diaphragm pressing plate (21), diaphragm (15) is fixed in the diaphragm pressing plate (21), and the upper sheathed spring (22) of auxiliary valve rod (19), spring (22) lower end pushes against diaphragm pressing plate (21), and spring (22) upper end pushes against chamber of septum (14) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220302466 CN202733148U (en) | 2012-06-27 | 2012-06-27 | Self-operated flow control valve with opening degree display and locking functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220302466 CN202733148U (en) | 2012-06-27 | 2012-06-27 | Self-operated flow control valve with opening degree display and locking functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202733148U true CN202733148U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220302466 Expired - Fee Related CN202733148U (en) | 2012-06-27 | 2012-06-27 | Self-operated flow control valve with opening degree display and locking functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202733148U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358916A (en) * | 2014-11-11 | 2015-02-18 | 明珠阀门集团有限公司 | Independent hydraulically-controlled flow balance valve |
| CN107606262A (en) * | 2017-09-29 | 2018-01-19 | 无锡康柏斯机械科技有限公司 | A kind of valve not influenceed by hydraulic pressure size |
| CN114263779A (en) * | 2022-01-23 | 2022-04-01 | 芜湖市金贸流体科技股份有限公司 | Digital locking balance valve and working method thereof |
-
2012
- 2012-06-27 CN CN 201220302466 patent/CN202733148U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358916A (en) * | 2014-11-11 | 2015-02-18 | 明珠阀门集团有限公司 | Independent hydraulically-controlled flow balance valve |
| CN104358916B (en) * | 2014-11-11 | 2017-02-01 | 明珠阀门集团有限公司 | Independent hydraulically-controlled flow balance valve |
| CN107606262A (en) * | 2017-09-29 | 2018-01-19 | 无锡康柏斯机械科技有限公司 | A kind of valve not influenceed by hydraulic pressure size |
| CN114263779A (en) * | 2022-01-23 | 2022-04-01 | 芜湖市金贸流体科技股份有限公司 | Digital locking balance valve and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20180627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |