CN203404436U - Level control valve structure - Google Patents
Level control valve structure Download PDFInfo
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- CN203404436U CN203404436U CN201320352658.XU CN201320352658U CN203404436U CN 203404436 U CN203404436 U CN 203404436U CN 201320352658 U CN201320352658 U CN 201320352658U CN 203404436 U CN203404436 U CN 203404436U
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- valve
- air space
- free air
- water level
- keeping constant
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Abstract
The utility model relates to a level control valve structure, which comprises a connecting body, a valve body, a valve cover, a diaphragm piece, a lower cover, a delay control button, a valve rod, a valve seat, two internal pressure self-sealing blocks, a spring, and a water pressure control valve. Due to the fact that the connecting body, the valve body, the valve cover, the diaphragm piece, the lower cover, the delay control button, the valve rod, the valve seat, the internal pressure self-sealing blocks, the spring, and the water pressure control valve are integrated in the level control valve structure, when a user uses the level control valve structure, apart from the fact that the rising and falling of a floating ball are used for achieving water incoming and water stopping, no other control assembly needs to be additionally mounted, and the purpose of automatically controlling the water level can be achieved.
Description
Technical field
The utility model, about a kind of Valve for keeping constant water level, refers to a kind of Valve for keeping constant water level structure that is integrated with a connecting body, a valve body, a valve gap, a diaphragm member, a lower cover, a delay control knob, a valve rod, a valve seat, two Pressure seat pieces, a spring and hydraulic control valves especially.
Background technique
General in the control of water tank or water tower water retention capacity, typically use Valve for keeping constant water level and coordinate the lifting of ball float to reach into the object of water or sealing.Refer to Fig. 1, a kind of water tower feed valve structural drawing, as shown in the figure, this water tower feed valve 1 ' comprising: a valve seat 11 ', a valve gap 12 ', an operating bar 13 ', dish seat 14 ', one water stopping plug 15 ', a sealing seat 16 ', a water stop spacer 17 ', a lower spring 18 ', a upper spring 19 ' and a ball float joint chair 20 '.Briefly, when water tank or water tower are under required water position status, just can make progress buoyance lift start and to do lever 13 ' of this ball float, and then make water stopping plug 15 ' up prop up sealing seat 16 ' to stop into water, contrary, when water storage consumes successively, those devices just can make water inject water tower, to reach the control function of the water yield.
Via above-mentioned, can learn that existing water supply structure has multiple aspect and usefulness; In view of this, creator of the present utility model does one's utmost study and composition in addition, has has finally researched and developed a kind of Valve for keeping constant water level structure of the present utility model.
Model utility content
Main purpose of the present utility model, be to provide a kind of Valve for keeping constant water level structure, it comprises: a connecting body, a valve body, a valve gap, a diaphragm member, a lower cover, a delay control knob, a valve rod, a valve seat, two Pressure seat pieces, a spring and hydraulic control valves are integrated, to produce a kind of Valve for keeping constant water level structure; So, when user uses this Valve for keeping constant water level structure, except using the lifting of ball float to reach into water or sealing, more without the control unit that installs other additional, can reach the object that water level is controlled automatically; And characteristic of the present utility model is that structure integrates multinomial ACTIVE CONTROL assembly, make it operation more flexible, adopt diaphragm type to determine water level sharp durable, and liquid level control accuracy is high, its water level is not more vulnerable to hydraulic pressure yet and disturbs and can close closely water-tight.
Another object of the present utility model, be to provide a kind of Valve for keeping constant water level structure, it integrates a connecting body, a valve body, a valve gap, a diaphragm member, a lower cover, a delay control knob, a valve rod, a valve seat, two Pressure seat pieces, a spring and hydraulic control valves, to produce a kind of Valve for keeping constant water level structure; Therefore, user, when maintaining, can and then close main-valve and for ease of maintenaince by hand switch; and, see through the start speed that the setting of delay switch can this valve seat of active accommodation, and; in the larger pipeline of pressure, have more the generation of protecting and avoiding water hammer situation.
Therefore, in order to reach above-mentioned above-mentioned purpose of the present utility model, designer of the present utility model proposes a kind of Valve for keeping constant water level structure, is applicable to a fluid storage device, and an external floating ball device, and this Valve for keeping constant water level structure comprises:
One connecting body, in order to connect a water inlet pipe and an outlet pipe, and has one first free air space, a valve and a bottom outlet, and wherein, this valve is located in this first free air space, and this bottom outlet is located at the bottom of this first free air space;
One valve body, is arranged at the top of this connecting body, and has:
One runner, is formed at this valve inner, and connects this first free air space of this connecting body;
One second free air space, is formed at this valve inner, and connects on this runner; And
One pedestal hole, digs the side in this valve body, and connects this second free air space, and wherein, the hole in this pedestal hole is certainly outside towards inner convergent;
One valve gap, be fixed at this valve body and there is one the 3rd free air space and a control valve arranges hole, wherein, after this valve gap and this valve body spiral shell are solid, the 3rd free air space is connected this second free air space to be configured to a pressure chamber, and this control valve arranges hole and is positioned on the 3rd free air space, and connect the 3rd free air space;
One diaphragm member, is arranged between this valve body and this valve gap, and wherein, this diaphragm member has elasticity, can produce offset phenomena with the size of pressure;
One lower cover, is fixed at the bottom outlet of this connecting body;
One postpones control knob, is engaged to this pedestal hole of this valve body;
One valve rod, its shaft is arranged at the inside of this runner, and wherein, the lower end of this valve rod is positioned at this first free air space and extends among this valve, and the upper end of this valve rod is by this second free air space, and sees through this diaphragm member and wear to the 3rd free air space;
One valve seat, in order to open and close this valve, wherein, within this valve seat is arranged at this first free air space, and the lower end of this valve rod is arranged in this valve seat;
Two Pressure seat pieces, are arranged between this second free air space and the 3rd free air space in couples, and these two Pressure seat pieces are arranged in the upper end of this valve rod, in order to affect this diaphragm member shift reciprocately up and down;
One spring, is arranged at the inside of the 3rd free air space, and is positioned on these two Pressure seat pieces, in order to this diaphragm member that resets, these two Pressure seat pieces, this valve rod and this valve seat; And
One hydraulic control valve, is engaged in the valve cover hole of this valve gap, as a controlling valve for water pressure.
Valve for keeping constant water level structure as above, wherein, the both sides of this connecting body, have respectively a water intake end and a waterexit end, and, this water intake end with this waterexit end in order to be connected respectively this water inlet pipe and this outlet pipe.
Valve for keeping constant water level structure as above, wherein, this valve is one removable, it sees through this bottom outlet and takes out within this first free air space.
Valve for keeping constant water level structure as above, wherein, this valve has a plurality of hole slots, and this valve also has a positioning hole, the location of this valve rod of confession.
Valve for keeping constant water level structure as above, wherein, this lower cover also has a lower cover hole, and, the external pressure transducer in this lower cover hole.
Valve for keeping constant water level structure as above, wherein, the material of this diaphragm member is metal material or non-metallic material.
Valve for keeping constant water level structure as above, wherein, this delay control knob comprises:
One pedestal, within being fixed at this pedestal hole;
One screw rod, has an annular groove and a Ka Gou, and this screw rod has a cone shape rod end; And
One screw rod ring, is embedded in this annular groove;
Wherein, this screw rod is bolted in the inside of this pedestal.
Valve for keeping constant water level structure as above, wherein, the two ends up and down of this valve rod embed respectively an O type ring.
Valve for keeping constant water level structure as above, wherein, this valve seat and this two Pressure seat pieces are fixed on respectively the two ends up and down of this valve rod by two packing rings.
Valve for keeping constant water level structure as above, wherein, this valve seat is comprised of a valve epivalve, a valve seat pad and a valve hypovalve.
Valve for keeping constant water level structure as above, wherein, these two Pressure seat pieces clamp this diaphragm member in the mode of docking.
Valve for keeping constant water level structure as above, wherein, this hydraulic control valve also comprises:
One body;
One screw rod, has Yi Kagou, and this screw rod has a cone shape rod end;
One pad, in order to increase the area of contact of this screw rod and this body; And
One nut, in order to fix this screw rod;
Wherein, this screw rod is bolted in the inside of this body, and sees through this pad and this nut to be stable in the inside of this body.
Compared with prior art, the beneficial effects of the utility model are:
1, in the utility model, by a connecting body 11, a valve body 12, a valve gap 13, a diaphragm member 14, a lower cover 15, postpone control knob 16, a valve rod 17, a valve seat 18, two Pressure seat pieces 19, a spring 20 and hydraulic control valves 21 are integrated, to produce a kind of Valve for keeping constant water level structure 1; So, when user uses this Valve for keeping constant water level structure 1, except using the lifting of ball float to reach into water or sealing, more without the control unit that installs other additional, can reach the object that water level is controlled automatically; And characteristic of the present utility model is that structure integrates multinomial ACTIVE CONTROL assembly, make it operation more flexible, adopt diaphragm type to determine water level sharp durable, and liquid level control accuracy is high, its water level is not more vulnerable to hydraulic pressure yet and disturbs and can close closely water-tight.
2. hold above-mentioned the 1st point, in addition, because a kind of Valve for keeping constant water level structure 1 of the present utility model has a hand switch and a delay switch; Therefore, user, when maintaining, can and then close main-valve and for ease of maintenaince by hand switch; and, see through the movement speed that the setting of delay switch can this valve seat of active accommodation, and; in the larger pipeline of pressure, also there is the generation of protecting and avoiding water hammer situation.
Accompanying drawing explanation
Fig. 1 is a kind of water tower feed valve structural drawing;
Fig. 2 A is a kind of front cross sectional view of Valve for keeping constant water level structure;
Fig. 2 B is a kind of right sectional view of Valve for keeping constant water level structure;
Fig. 3 is a kind of stereogram of delay control knob of Valve for keeping constant water level structure;
The demonstrate stereogram closing that is connected of diaphragm member, valve rod, valve seat and two Pressure seat pieces of Fig. 4;
Fig. 5 is a kind of stereogram of hydraulic control valve of Valve for keeping constant water level structure; And
Fig. 6 is a kind of isometric cross-sectional view of Valve for keeping constant water level structure.
Main symbol description in figure:
1: Valve for keeping constant water level structure 2: water inlet pipe
3: outlet pipe 11: connecting body
12: valve body 13: valve gap
14: diaphragm member 15: lower cover
16: postpone control knob 17: valve rod
18: valve seat 19: Pressure seat piece
20: spring 21: hydraulic control valve
Within 111: the first, free air space 112: valve
113: bottom outlet 114: water intake end
115: waterexit end 121: runner
Within 122: the second, free air space 123: pedestal hole
131: the three free air spaces 132: control valve arranges hole
151: lower cover hole 161: pedestal
162: screw rod 163: screw rod ring
181: valve epivalve 182: valve seat pad
183: valve hypovalve 211: body
212; Screw rod 213: pad
214: nut 1621: annular groove
1622: card ditch 2121: Ka Gou
<prior art>:
1 ': water tower feed valve 11 ': valve seat
12 ': valve gap 13 ': do lever
14 ': dish seat 15 ': water stopping plug
16 ': sealing seat 17 ': water stop spacer
18 ': lower spring 19 ': upper spring
20 ': ball float joint chair
Embodiment
A kind of Valve for keeping constant water level structure proposing in order more clearly to describe the utility model, below will coordinate graphicly, elaborate preferred embodiment of the present utility model.
Refer to Fig. 2 A and Fig. 2 B, the front cross sectional view of a kind of Valve for keeping constant water level structure of the present utility model and right sectional view, as shown in the figure, a kind of Valve for keeping constant water level structure 1 of the present utility model comprises: a connecting body 11, a valve body 12, a valve gap 13, a diaphragm member 14, a lower cover 15, postpone control knob 16, a valve rod 17, a valve seat 18, two Pressure seat pieces 19, a spring 20 and hydraulic control valves 21, wherein, the both sides of this connecting body 11, there is respectively a water intake end 114 and a waterexit end 115, in order to connect respectively a water inlet pipe 2 and an outlet pipe 3.
In addition, the inside of connecting body 11 have one first free air space 111, a valve 112, with a bottom outlet 113; As shown in the figure, this valve 112 is located in this first free air space 111, and this valve 112 is removable device, and it can see through this bottom outlet 113 and be removed within this first free air space 111; In addition, valve 112 has a plurality of hole slots that can circulate for fluid and the positioning hole that can locate for this valve rod 17.Moreover this bottom outlet 113 is located at the bottom of this first free air space 111, so, when the fluid in water inlet pipe 2 flows to the first free air space 111, this fluid can flow out connecting body 11 and enter this outlet pipe 3 via the first free air space 111; Meanwhile, the fluid of part flows in this valve 112.
Consult unceasingly Fig. 2 A, and please refer to Fig. 2 B.As shown in the figure, valve body 12 is arranged at the top of this connecting body 11, and has: a runner 121, one second free air space 122 and a pedestal hole 123, wherein this runner 121 is formed at the inside of valve body 12, and connects the first free air space 111 of connecting body 11.This second free air space 122 is formed at valve body 12 inside, and connects on this runner 121.123, this pedestal hole digs the side in this valve body 12, and connects this second free air space 122; And especially, the hole in this pedestal hole 123 is certainly outside towards inner convergent.This valve gap 13 is fixed on this valve body 12 and has one the 3rd free air space 131 and a control valve arranges hole 132 wherein, after this valve gap 13 and these valve body 12 spiral shells are solid, the 3rd free air space 131 is connected this second free air space 122 to be configured to a pressure chamber, and this control valve arranges hole 132 and is positioned on the 3rd free air space 131, and connect the 3rd free air space 131.
Please continue to refer to Fig. 2 B, Valve for keeping constant water level structure as shown in the figure, has flexible this diaphragm member 14 made by metallic material or nonmetallic material, and it is arranged between valve body 12 and valve gap 13, and it can produce offset phenomena with the size of pressure.15 of this lower covers are fixed at the bottom outlet 113 of connecting body 11, and have an external pressure transducer in lower cover hole 151.And this postpones control knob 16, it is engaged to the pedestal hole 123 of valve body 12, so, by adjusting this delay control knob 16 in the position in this pedestal hole 123, can slow down flow, flow velocity and pressure that this fluid flows into the 3rd free air space 131.In addition, the shaft of this valve rod 17 is arranged at the inside of this runner 121, and the lower end of this valve rod 17 is positioned at this first free air space 111 and extends among this valve 112, and this second free air space 122 is passed through in its upper end, and wear to the 3rd free air space 131 through this diaphragm member 14.Moreover this valve seat 18 is by a valve epivalve 181, a valve seat pad 182, formed with a valve hypovalve 183, in order to open and close this valve 112, as shown in the figure, within valve seat 18 is arranged at this first free air space 111, and the lower end of this valve rod 17 is arranged in this valve seat 18.
Please continue to consult Fig. 2 A and Fig. 2 B, these two Pressure seat pieces 19 are arranged between this second free air space 122 and the 3rd free air space 131 in couples again, and these two Pressure seat pieces 19 are arranged in the upper end of this valve rod 17; As shown in the figure, these two Pressure seat pieces 19 clamp this diaphragm member 14 in the mode of docking, and then can affect this diaphragm member 14 shift reciprocately up and down.And this spring 20 within it is arranged at the 3rd free air space 131, and is positioned on these two Pressure seat pieces 19, in order to this diaphragm member 14 that resets, these two Pressure seat pieces 19, this valve rod 17, with this valve seat 18.Finally, this hydraulic control valve 21 is engaged in the valve cover hole 132 of this valve gap 13, as a controlling valve for water pressure.
Then refer to Fig. 3, the stereogram of the delay control knob of a kind of Valve for keeping constant water level structure of the present utility model, as shown in the figure, delay control knob 16 in the utility model comprises: a pedestal 161, a screw rod 162 and a screw rod ring 163, wherein, within this pedestal 161 is fixed at this pedestal hole 123, and this screw rod 162 has an annular groove 1621 and a card ditch 1622, and this screw rod 162 has a cone shape rod end.Separately, this screw rod ring 163 is embedded in this annular groove 1621, and this screw rod 162 is bolted in the inside of this pedestal 161, and sees through this screw rod ring 163 to reach close-fitting state; So, operator can utilize card ditch 1622 to come drive screw 162 to carry out suitable displacement in the inside of pedestal 161; And, because screw rod 162 has a cone shape rod end, therefore the pedestal hole 123 that it can be tapering type with this cooperatively interacts, and by this mode, sees through screw rod 162 in the suitable displacement of pedestal 161 inside, reaches the flow of fluid and the object of pressure that can effectively control this pedestal hole of flowing through.
Then refer to Fig. 4, the stereogram closing that is connected of the diaphragm member of a kind of Valve for keeping constant water level structure of the present utility model, valve rod, valve seat and two Pressure seat pieces, as shown in the figure, the two ends up and down of this valve rod 17 embed respectively an O type ring, by increasing the adaptation of this valve seat 18 and these two Pressure seat pieces 19, and this valve seat 18 and these two Pressure seat pieces 19 are respectively by the auxiliary two ends up and down that are secured in this valve rod 17 of two packing rings.
Then refer to Fig. 5, the stereogram of a kind of Valve for keeping constant water level constitution water pressure control valve of the present utility model, as shown in the figure, this hydraulic control valve 21 also comprises: a body 211, a screw rod 212, a pad 213 and a nut 214, wherein, this screw rod 212 has a card ditch 2121 and a cone shape rod end, and this nut 214 is in order to fix this screw rod 212; 213, this pad is in order to increase the area of contact of this screw rod 212 and this body 211.As shown in the figure, screw rod 212 is bolted in the inside of this body 211, and see through this pad 213 with this nut 214 to be stable in the inside of this body 211, in addition, can utilize this card ditch 2121 to drive this screw rod 212, and in the inside of this body 211, do a suitable displacement, in order to carry out the adjusting of hydraulic pressure; Especially, in Valve for keeping constant water level structure of the present utility model, this screw rod 212, because having a cone shape rod end, therefore, when adjusting start displacement, can be controlled fluid flow and the pressure of this body 211 of flowing through effectively.
So, the above-mentioned framework that has clearly demonstrated a kind of Valve for keeping constant water level structure 1 of the present utility model.Then, by the action step of explanation a kind of Valve for keeping constant water level structure of the present utility model, please refer to Fig. 2 A, Fig. 2 B, Fig. 4 and Fig. 6, as shown in the figure, when an external floating ball device is during because of too low unlatching of water level of a fluid storage device, fluid sees through this water intake end 114 and this first free air space 111 of flowing through, now, fluid can first be met this valve 112, and, fluid can be divided into two-part and flow, and a part of fluid can see through a plurality of holes of this valve 112, and directly the direction toward this waterexit end 115 spills out, the fluid of another part is this passage 121 of can flowing through, and the direction diffluence towards this second free air space 122, flowing through the fluid of this second free air space 122 can be because the effect of pressure, and drive this two Pressure seat pieces 19, movement along with these two Pressure seat pieces 19, can make this diaphragm member 14 produce a displacement, and make this spring 20 compress, now because the displacement of this diaphragm member 14, can make the pressure of the 3rd free air space 131 change, and this valve rod 17 also can make this valve seat 18 maintain synchronous shift along with moving of these two Pressure seat pieces 19, wherein, the fluid in space 122 is put in this second circulation of flowing through, can via the passage of this delay control knob 16, flow to the 3rd free air space 131 again, and, the movement speed of this valve seat 18 of active accommodation because this postpones the setting of control knob 16, now, fluid meeting and maintain level pressure and continue toward these hydraulic control valve 21 diffluences, and then the storage device of incoming fluid, wherein, this postpones control knob 16 in the larger pipeline of pressure, there is the generation of protecting and avoiding water hammer situation.And there is the factor of external floating ball device, can learn by the sensing of ball float the height of fluid level, and maintain the unlatching of valve 112, in addition, when ballottement measures the height that fluid level has reached setting, its ball float just can rise and stop fluid outflow, now because fluid cannot flow out, hydraulic pressure in its 3rd free air space 131 can increase, and then drive these two Pressure seat pieces 19 to move down, and the also displacement thereupon of this diaphragm member 14, wherein this spring 20 can slowly recoil to original state, and this valve rod 17 also can make this valve seat 18 maintain synchronous shift along with moving of these two Pressure seat pieces 19, last because the driving of hydrodynamic pressure, force this valve seat 18 to move down, until this valve 112 of tight closure and no longer supplying water, so arrange, just height that can automatic control water level.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection domain, this modification or be equal to replacement and also should be considered as dropping in protection domain of the present utility model.
Claims (12)
1. a Valve for keeping constant water level structure, is applicable to a fluid storage device, and an external floating ball device, it is characterized in that, this Valve for keeping constant water level structure comprises:
One connecting body, in order to connect a water inlet pipe and an outlet pipe, and has one first free air space, a valve and a bottom outlet, and wherein, this valve is located in this first free air space, and this bottom outlet is located at the bottom of this first free air space;
One valve body, is arranged at the top of this connecting body, and has:
One runner, is formed at this valve inner, and connects this first free air space of this connecting body;
One second free air space, is formed at this valve inner, and connects on this runner; And
One pedestal hole, digs the side in this valve body, and connects this second free air space, and wherein, the hole in this pedestal hole is certainly outside towards inner convergent;
One valve gap, be fixed at this valve body and there is one the 3rd free air space and a control valve arranges hole, wherein, after this valve gap and this valve body spiral shell are solid, the 3rd free air space is connected this second free air space to be configured to a pressure chamber, and this control valve arranges hole and is positioned on the 3rd free air space, and connect the 3rd free air space;
One diaphragm member, is arranged between this valve body and this valve gap, and wherein, this diaphragm member has elasticity, can produce offset phenomena with the size of pressure;
One lower cover, is fixed at the bottom outlet of this connecting body;
One postpones control knob, is engaged to this pedestal hole of this valve body;
One valve rod, its shaft is arranged at the inside of this runner, and wherein, the lower end of this valve rod is positioned at this first free air space and extends among this valve, and the upper end of this valve rod is by this second free air space, and sees through this diaphragm member and wear to the 3rd free air space;
One valve seat, in order to open and close this valve, wherein, within this valve seat is arranged at this first free air space, and the lower end of this valve rod is arranged in this valve seat;
Two Pressure seat pieces, are arranged between this second free air space and the 3rd free air space in couples, and these two Pressure seat pieces are arranged in the upper end of this valve rod, in order to affect this diaphragm member shift reciprocately up and down;
One spring, is arranged at the inside of the 3rd free air space, and is positioned on these two Pressure seat pieces, in order to this diaphragm member that resets, these two Pressure seat pieces, this valve rod and this valve seat; And
One hydraulic control valve, is engaged in the valve cover hole of this valve gap, as a controlling valve for water pressure.
2. Valve for keeping constant water level structure according to claim 1, is characterized in that, wherein, the both sides of this connecting body, have respectively a water intake end and a waterexit end, and, this water intake end with this waterexit end in order to be connected respectively this water inlet pipe and this outlet pipe.
3. Valve for keeping constant water level structure according to claim 1, is characterized in that, wherein, this valve is one removable, and it sees through this bottom outlet and takes out within this first free air space.
4. Valve for keeping constant water level structure according to claim 1, is characterized in that, wherein, this valve has a plurality of hole slots, and this valve also has a positioning hole, the location of this valve rod of confession.
5. Valve for keeping constant water level structure according to claim 1, is characterized in that, wherein, this lower cover also has a lower cover hole, and, the external pressure transducer in this lower cover hole.
6. Valve for keeping constant water level structure according to claim 1, is characterized in that, wherein, the material of this diaphragm member is metal material or non-metallic material.
7. a kind of Valve for keeping constant water level structure according to claim 1, is characterized in that, wherein, this delay control knob comprises:
One pedestal, within being fixed at this pedestal hole;
One screw rod, has an annular groove and a Ka Gou, and this screw rod has a cone shape rod end; And
One screw rod ring, is embedded in this annular groove;
Wherein, this screw rod is bolted in the inside of this pedestal.
8. a kind of Valve for keeping constant water level structure according to claim 1, is characterized in that, wherein, the two ends up and down of this valve rod embed respectively an O type ring.
9. a kind of Valve for keeping constant water level structure according to claim 1, is characterized in that, wherein, this valve seat and this two Pressure seat pieces are fixed on respectively the two ends up and down of this valve rod by two packing rings.
10. a kind of Valve for keeping constant water level structure according to claim 1, is characterized in that, wherein, this valve seat is comprised of a valve epivalve, a valve seat pad and a valve hypovalve.
11. a kind of Valve for keeping constant water level structures according to claim 1, is characterized in that, wherein, these two Pressure seat pieces clamp this diaphragm member in the mode of docking.
12. a kind of Valve for keeping constant water level structures according to claim 1, is characterized in that, wherein, this hydraulic control valve also comprises:
One body;
One screw rod, has Yi Kagou, and this screw rod has a cone shape rod end;
One pad, in order to increase the area of contact of this screw rod and this body; And
One nut, in order to fix this screw rod;
Wherein, this screw rod is bolted in the inside of this body, and sees through this pad and this nut to be stable in the inside of this body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320352658.XU CN203404436U (en) | 2013-06-19 | 2013-06-19 | Level control valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320352658.XU CN203404436U (en) | 2013-06-19 | 2013-06-19 | Level control valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203404436U true CN203404436U (en) | 2014-01-22 |
Family
ID=49940373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320352658.XU Expired - Fee Related CN203404436U (en) | 2013-06-19 | 2013-06-19 | Level control valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203404436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296576A (en) * | 2018-11-23 | 2019-02-01 | 中国航发北京航科发动机控制***科技有限责任公司 | A kind of constant voltage output regulating device |
-
2013
- 2013-06-19 CN CN201320352658.XU patent/CN203404436U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296576A (en) * | 2018-11-23 | 2019-02-01 | 中国航发北京航科发动机控制***科技有限责任公司 | A kind of constant voltage output regulating device |
| CN109296576B (en) * | 2018-11-23 | 2020-09-11 | 中国航发北京航科发动机控制***科技有限公司 | Constant voltage output adjusting device |
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