CN203240038U - Mechanical normally-closed valve - Google Patents
Mechanical normally-closed valve Download PDFInfo
- Publication number
- CN203240038U CN203240038U CN 201320289694 CN201320289694U CN203240038U CN 203240038 U CN203240038 U CN 203240038U CN 201320289694 CN201320289694 CN 201320289694 CN 201320289694 U CN201320289694 U CN 201320289694U CN 203240038 U CN203240038 U CN 203240038U
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- CN
- China
- Prior art keywords
- silica gel
- valve body
- iron core
- loam cake
- valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000000741 silica gel Substances 0.000 claims abstract description 52
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 52
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000012528 membrane Substances 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 241000826860 Trapezium Species 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
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Abstract
The utility model relates to a mechanical normally-closed valve. The mechanical normally-closed valve comprises a valve body. A water inlet and a water outlet are formed in the valve body respectively, wherein an inner core is arranged in the middle of the valve body, a running water opening is formed in the center of the inner core, an upper cover covers the valve body, an iron core which is matched with the running water opening and provided with a silica gel plug is arranged on the upper cover, a seal ring is arranged between the iron core and the upper cover, and a reset spring is arranged on the iron core. An external power inlet is formed in the position, right opposite to the iron core, of the upper cover. Under the action of external power, the iron core can make the silica gel plug be assembled together with the inner core while the silica gel plug closes or opens the running water opening. The mechanical normally-closed valve has the advantages that externally applied mechanical force is controlled for realizing the opening/closing of the valve, so that the potential safety hazard caused by electric opening/closing of the valve is avoided; moreover, a silica gel piece is arranged on the lower surface of the inner core, when the valve is in a closed state, water flow can not flow out through the running water opening, the water flow extrudes the silica gel piece so as to make the silica gel piece make closer contact with the silica gel plug, and therefore the leakproofness and the reliability of the running water opening are ensured.
Description
Technical field
The utility model relates to valve and makes the field, especially refers to a kind of normally close valve for water purifying plant, refers to especially a kind of mechanical type normally close valve.
Background technique
Valve is in fluid system, is used for controlling direction, the pressure of fluid, the device of flow, and valve is the device that medium (liquid, gas, powder) in pipe arrangement and the equipment is flowed or stop and controlling its flow.Valve is controlling component in the pipeline fluid transporting system, and it is to change path section and media flow direction, has the functions such as water conservancy diversion, cut-off, throttling, non-return, shunting or overflow release.The valve that is used for fluid control, from the simplest stop valve to very complicated robot control system(RCS) used various valves, its kind and specification are various; Difference according to technological requirement is classified, and valve can be divided into normally close valve and normally open valve, in the existing water purification plant, generally adopts solenoid valve to control the switching in water route, and solenoid valve not only cost is higher, and has electricity consumption hidden danger.
Summary of the invention
Technical problem to be solved in the utility model is the present situation for prior art, provides simple in structure, and cost of production is low, with the switching of mechanical force control valve and can avoid a kind of mechanical type normally close valve of electricity consumption hidden danger.
The utility model solves the problems of the technologies described above the technological scheme that adopts:
A kind of mechanical type normally close valve, include valve body, be respectively arranged with water intake and water outlet on the valve body, wherein, the middle part of valve body is provided with inner core, this inner core center offers the flowing water mouth, valve upper cover has closed loam cake, on cover and be provided with the iron core with silica gel plug suitable with described flowing water mouth, be provided with seal ring between iron core and the described loam cake, be provided with Returnning spring on the iron core, on cover over against described iron core position and offer outer power import, iron core and inner core are assembled together and make the silica gel plug can be closed or open the flowing water mouth under exogenetic process.
The technical measures of optimizing also comprise:
The lower surface of above-mentioned inner core is provided with silica gel piece, and the cross section of silica gel plug is trapezium structure, and the outer of silica gel plug contacts cooperation with described silica gel piece.
Be provided with toroidal membrane in the above-mentioned valve body, the upper surface of this toroidal membrane is close to mutually with the lower surface of described silica gel piece, space between valve body and the toroidal membrane forms water-inlet cavity, space in the toroidal membrane forms water cavity, and inner core is offering the water inlet between water-inlet cavity and loam cake inner space.
Above-mentioned loam cake is pegged graft with valve body and is cooperated, and the upper-end surface of valve body is provided with annular cavity, and the lower end surface of loam cake is formed with the annular interface suitable with described annular cavity.
The periphery of above-mentioned loam cake is provided with annular retaining ring.
Above-mentioned iron core upper end is provided with the spring rib of annular, and an end of Returnning spring and the lower surface of described spring rib offset, and the upper surface of its other end and described inner core offsets.
Offer seal groove on the outer circumferential face of above-mentioned spring rib, seal ring is embedded in the sealing groove.
Above-mentioned outer power is current or air-flow.
Above-mentioned water intake is horizontally set at the side of valve body, and water outlet vertically is arranged at the bottom of valve body.
A kind of mechanical type normally close valve of the present utility model, adopt the middle part of valve body to be provided with inner core, this inner core center offers the flowing water mouth, valve upper cover has closed loam cake, on cover and be provided with the iron core with silica gel plug suitable with described flowing water mouth, be provided with seal ring between iron core and the described loam cake, be provided with Returnning spring on the iron core, on cover over against described iron core position and offer outer power import, described iron core and inner core are assembled together and make the silica gel plug can be closed or open the flowing water mouth under exogenetic process.Its advantage is: add the switching that mechanical force realizes valve by control, avoided electricity consumption to open and close the potential safety hazard that valve brings; Adding mechanical force enters from outer power import, the promotion iron core moves downward the silica gel plug and the flowing water mouth is opened, thereby make valve opening, after adding mechanical force and shedding, iron core resets under the effect of Returnning spring and makes the flowing water mouth closed, thereby makes valve closes, and it is simple in structure, cost of production is low, and is easy to operate;
In addition, the lower surface of inner core is provided with silica gel piece, and when the valve closes state, current can't flow out from the flowing water mouth, and current extruding silica gel piece makes silica gel piece tightr with contacting of silica gel plug, thereby guarantees sealing and the reliability of flowing water mouth.
Description of drawings
Fig. 1 is the utility model embodiment's cross-sectional schematic;
Fig. 2 is I section enlarged view among Fig. 1;
View when Fig. 3 is the utility model flowing water mouth closure;
View when Fig. 4 is the unlatching of the utility model flowing water mouth.
Embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
Be structural representation of the present utility model as shown in Figures 1 to 4,
Reference character wherein is: valve body 1, water-inlet cavity 1a, water chamber 1b, water intake 11, water outlet 12, toroidal membrane 13, annular cavity 14, inner core 2, flowing water mouth 21, water inlet 22, loam cake 3, loam cake inner space 3a, outer power import 31, annular interface 32, annular retaining ring 33, iron core 4, silica gel plug 41, spring rib 42, seal ring 5, Returnning spring 6, silica gel piece 7, single arrow represents water (flow) direction among the figure, and double-head arrow represents outer power direction.
As shown in Figures 1 to 4,
A kind of mechanical type normally close valve of the present utility model, include valve body 1, be respectively arranged with water intake 11 and water outlet 12 on the valve body 1, wherein, the middle part of valve body 1 is provided with inner core 2, these inner core 2 centers offer flowing water mouth 21, be covered with loam cake 3 on the valve body 1, be provided with the iron core 4 with silica gel plug 41 suitable with described flowing water mouth 21 on the loam cake 3, be provided with seal ring 5 between iron core 4 and the described loam cake 3, be provided with Returnning spring 6 on the iron core 4, offer outer power import 31 over against described iron core 4 positions on the loam cake 3, iron core 4 is assembled together with inner core 2 and makes the silica gel plug 41 can be closed or open flowing water mouth 21 under exogenetic process.
Among the embodiment, the lower surface of inner core 2 is provided with silica gel piece 7, and the cross section of silica gel plug 41 is trapezium structure, and the outer of silica gel plug 41 contacts cooperation with described silica gel piece 7.
Among the embodiment, be provided with toroidal membrane 13 in the valve body 1, the upper surface of this toroidal membrane 13 is close to mutually with the lower surface of described silica gel piece 7, space between valve body 1 and the toroidal membrane 13 forms water-inlet cavity 1a, space in the toroidal membrane 13 forms water cavity 1b, and inner core 2 is offering water inlet 22 between water-inlet cavity 1a and loam cake inner space 3a.
Among the embodiment, loam cake 3 and valve body 1 pegged graft and cooperated, and the upper-end surface of valve body 1 is provided with annular cavity 14, and the lower end surface of loam cake 3 is formed with the annular interface 32 suitable with described annular cavity 14.
Among the embodiment, the periphery of loam cake 3 is provided with annular retaining ring 33.
Among the embodiment, iron core 4 upper ends are provided with the spring rib 42 of annular, and an end of Returnning spring 6 and the lower surface of described spring rib 42 offset, and the upper surface of its other end and described inner core 2 offsets.
Among the embodiment, offer seal groove on the outer circumferential face of spring rib 42, seal ring 5 is embedded in the sealing groove.
Among the embodiment, outer power is current or air-flow.
Among the embodiment, water intake 11 is horizontally set at the side of valve body 1, and water outlet 12 vertically is arranged at the bottom of valve body 1.
As shown in Figure 1, loam cake 3 covers up and down with valve body 1, the lower end, side of valve body 1 offers water intake 11, and the bottom of valve body 1 offers water outlet 12, be provided with toroidal membrane 13 in the valve body 1 and the inner space of valve body 1 is divided into water-inlet cavity 1a and water chamber 1b, described water intake 11 is connected with water-inlet cavity 1a, and described water outlet 12 is connected with water chamber 1b; The upper end of valve body 1 is provided with annular cavity 14, the annular interface 32 of this annular cavity 14 and loam cake 3 lower ends cooperatively interacts and loam cake 3 grafting is covered on the valve body 1, the annular retaining ring 33 of loam cake 3 periphery settings can limit the vertical displacement of loam cake 3, makes loam cake 3 convenient with the assembling of valve body 1; After loam cake 3 covered with valve body 1, the lower surface of annular retaining ring 33 was close to mutually with the upper surface of valve body 1.
The middle part of valve body 1 is provided with inner core 2, and inner core 2 centers offer flowing water mouth 21, and offers water inlet 22 between water-inlet cavity 1a and loam cake inner space 3a, and water inlet 22 makes water-inlet cavity 1a communicate with loam cake inner space 3a and forms a water containing chamber; The lower surface of inner core 2 is provided with silica gel piece 7, after loam cake 3 covers with valve body 1, the lower surface of the annular interface 32 of loam cake 3 is close to mutually with the upper surface of inner core 2, and the lower surface of silica gel piece 7 respectively with valve body 1 on the upper surface of annular cavity 14 and toroidal membrane 13 be close to mutually.
Be provided with iron core 4 on the loam cake 3, iron core 4 lower ends are provided with silica gel plug 41, and the outer diameter of silica gel plug 41 is greater than the diameter of flowing water mouth 21, and iron core 4 passes flowing water mouth 21 makes the silica gel plug 41 can be closed or open flowing water mouth 21 ground and inner core 2 is assembled together; Be provided with the sealing that seal ring 5, guarantees both joints between the inwall of loam cake 3 and the iron core 4, seal ring 5 is embedded in the seal groove, and the setting of seal groove has not only made things convenient for the installation of seal ring 5, seal ring 5 landings in the time of can also preventing that iron core 4 from moving; Be provided with Returnning spring 6 on the iron core 4, after shedding outer power, under the effect of Returnning spring 6, iron core 4 can automatically reset; Loam cake 3 upper ends vertically offer outer power import 31, and this outer power import 31 is over against the upper-end surface of iron core 4.
As shown in Figure 2, the cross section of silica gel plug 41 is trapezoidal, and its outer contacts with silica gel piece 7; The diameter at silica gel piece 7 flowing water mouths 21 places is greater than the diameter of flowing water mouth 21, and a ladder surface is formed at flowing water mouth 21 bottoms, and the trapezoidal periphery of silica gel plug 41 matches with this ladder surface.
Working state as shown in Figure 3 and Figure 4:
During the valve closing state: current enter in the valve body 1 from water intake 11, current enter water-inlet cavity 1a, and enter loam cake inner space 3a by water inlet 22, because this moment, flowing water mouth 21 was blocked by silica gel plug 41 and closure, current can't flow in the water chamber 1b from flowing water mouth 21, because the pressure of current, extruding silica gel piece 7 makes silica gel piece 7 more tight with contacting of silica gel plug 41, thereby guarantees sealing and the reliability of flowing water mouth 21.
During valve opening state: when valve need to be opened, from the outer power import 31 outer mechanical force of exerting pressure, described outer power can be current or air-flow, current or air-flow produce hydraulic pressure or air pressure, thereby promote the mutually lower motion of iron core 4 and silica gel plug 41, thereby flowing water mouth 21 is opened, and the water of loam cake inner space 3a just can flow in the water chamber 1b from flowing water mouth 21, and flows out from water outlet 12.
After shedding outer power, iron core 4 automatically resets under Returnning spring 6 effects, and silica gel plug 41 is again blocked flowing water mouth 21 and made valve closing.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (9)
1. mechanical type normally close valve, include valve body (1), be respectively arranged with water intake (11) and water outlet (12) on the described valve body (1), it is characterized in that: the middle part of described valve body (1) is provided with inner core (2), this inner core (2) center offers flowing water mouth (21), be covered with loam cake (3) on the described valve body (1), be provided with the iron core with silica gel plug (41) (4) suitable with described flowing water mouth (21) on the described loam cake (3), be provided with seal ring (5) between described iron core (4) and the described loam cake (3), be provided with Returnning spring (6) on the described iron core (4), described loam cake (3) is upper to offer outer power import (31) over against described iron core (4) position, and described iron core (4) is assembled together with inner core (2) and makes the silica gel plug (41) can be closed or open flowing water mouth (21) under exogenetic process.
2. a kind of mechanical type normally close valve according to claim 1, it is characterized in that: the lower surface of described inner core (2) is provided with silica gel piece (7), the cross section of described silica gel plug (41) is trapezium structure, and the outer of described silica gel plug (41) contacts cooperation with described silica gel piece (7).
3. a kind of mechanical type normally close valve according to claim 2, it is characterized in that: be provided with toroidal membrane (13) in the described valve body (1), the upper surface of this toroidal membrane (13) is close to mutually with the lower surface of described silica gel piece (7), space between described valve body (1) and the toroidal membrane (13) forms water-inlet cavity (1a), space in the described toroidal membrane (13) forms water cavity (1b), and described inner core (2) offers water inlet (22) being positioned between water-inlet cavity (1a) and loam cake inner space (3a).
4. a kind of mechanical type normally close valve according to claim 3, it is characterized in that: described loam cake (3) is pegged graft with valve body (1) and is cooperated, the upper-end surface of described valve body (1) is provided with annular cavity (14), and the lower end surface of described loam cake (3) is formed with the annular interface (32) suitable with described annular cavity (14).
5. a kind of mechanical type normally close valve according to claim 4, it is characterized in that: the periphery of described loam cake (3) is provided with annular retaining ring (33).
6. a kind of mechanical type normally close valve according to claim 5, it is characterized in that: described iron core (4) upper end is provided with the spring rib (42) of annular, the lower surface of one end of described Returnning spring (6) and described spring rib (42) offsets, and the upper surface of its other end and described inner core (2) offsets.
7. a kind of mechanical type normally close valve according to claim 6, it is characterized in that: offer seal groove on the outer circumferential face of described spring rib (42), described seal ring (5) is embedded in the sealing groove.
8. a kind of mechanical type normally close valve according to claim 7, it is characterized in that: described outer power is current or air-flow.
9. a kind of mechanical type normally close valve according to claim 8, it is characterized in that: described water intake (11) is horizontally set at the side of valve body (1), and described water outlet (12) vertically is arranged at the bottom of valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320289694 CN203240038U (en) | 2013-05-24 | 2013-05-24 | Mechanical normally-closed valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320289694 CN203240038U (en) | 2013-05-24 | 2013-05-24 | Mechanical normally-closed valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203240038U true CN203240038U (en) | 2013-10-16 |
Family
ID=49317336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320289694 Expired - Fee Related CN203240038U (en) | 2013-05-24 | 2013-05-24 | Mechanical normally-closed valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203240038U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244731A (en) * | 2013-05-24 | 2013-08-14 | 浙江沁园水处理科技有限公司 | Mechanical normally-closed valve |
| CN106665276A (en) * | 2016-12-09 | 2017-05-17 | 重庆新派新智能科技有限公司 | Garden spray pipe |
-
2013
- 2013-05-24 CN CN 201320289694 patent/CN203240038U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244731A (en) * | 2013-05-24 | 2013-08-14 | 浙江沁园水处理科技有限公司 | Mechanical normally-closed valve |
| CN103244731B (en) * | 2013-05-24 | 2016-01-20 | 浙江沁园水处理科技有限公司 | A kind of mechanical type normally close valve |
| CN106665276A (en) * | 2016-12-09 | 2017-05-17 | 重庆新派新智能科技有限公司 | Garden spray pipe |
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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: 20131016 Termination date: 20190524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |