CN203395283U - Unidirectional permanent flow valve - Google Patents
Unidirectional permanent flow valve Download PDFInfo
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- CN203395283U CN203395283U CN201320406269.0U CN201320406269U CN203395283U CN 203395283 U CN203395283 U CN 203395283U CN 201320406269 U CN201320406269 U CN 201320406269U CN 203395283 U CN203395283 U CN 203395283U
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- valve
- current limliting
- constant flow
- valve body
- limliting piece
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Abstract
The utility model provides a unidirectional permanent flow valve, which belongs to the technical field of the valve manufacture. According to the unidirectional permanent flow valve, the problem that the traditional unidirectional valve can not keep permanent flow is solved. The unidirectional permanent flow valve comprises a valve body, a valve element, a spring and a valve deck, wherein one end of the valve body is a water inlet end; the other end of the valve body is a water outlet end; the valve element is positioned in the valve body; the valve deck is fixedly arranged on the water outlet end of the valve body; the water inlet end is provided with a water inlet hole; the valve deck is provided with a water outlet; a current limiting component is arranged in the valve body and is positioned in the valve deck; one end of the spring is abutted against the current limiting component; and the other end of the spring is abutted against the valve element to ensure that the valve element still has the tendency of sealing the water inlet hole of the valve body. The unidirectional permanent flow valve has the advantages of double functions of single direction and constant flow.
Description
Technical field
The utility model belongs to technical field of valve manufacturing, relates to a kind of one-way valve, particularly a kind of one-way constant flow valve.
Background technique
Common valve only has unlatching, closes and controls the function of fluid flow, wants to make fluid not flow backwards, and a check valve must be set in valve.Traditional check valve structure general expression adopts a dish spring and flap, its working principle is on valve seat, to realize non-return sealing by settling flap to be in the central expressed to, traditional check valve must carry out screw thread processing to pipeline when mounted, trouble is installed, inefficiency, traditional check valve is when opening, fluid can fluctuate, and then cause the vibrations of dish spring or flap, thereby cause noise, working life that simultaneously also can reduction dish spring.
For the problem of above existence, people have made improvement miscellaneous, and what have has also applied for patent, and for example Chinese patent literature data discloses the multifunctional non-return valve core [patent No. 200510049784.8, publication number: CN1699807A], it is by helical pitch seat, helical pitch support, spool and dish spring form, helical pitch seat and helical pitch support engagement connection, both joints arrange a seal washer, dish spring is arranged between spool and helical pitch support, helical pitch support afterbody arranges a boss, between boss and rack body, by a plurality of stiffening ribs, be connected, boss inner hollow, its bottom arranges a helical pitch track, spool is beveled structure, its afterbody is built in helical pitch track, its head holds on seal washer under the effect of compact disk spring, helical pitch seat outer side wall arranges round section joint ring, helical pitch support outer side wall is provided with a plurality of elastic card locking devices.
The non-return valve core of this kind of structure, the area of non-return valve core outlet end is greater than the area of its entrance point, and when fluid overcomes spring force and pushes spool open, the entrance point of non-return valve core flows into how many fluids, just there is how many fluids to flow out from the outlet end of non-return valve core, flow that can not limit fluid.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, and a kind of unidirectional and one-way constant flow valve constant flow rate dual functions that has is provided.
The purpose of this utility model can realize by following technical proposal: a kind of one-way constant flow valve, comprise valve body, spool, spring and valve gap, one end of described valve body is feed-water end, the other end is waterexit end, described spool is positioned at described valve body, described valve gap is fixed on the place, waterexit end of described valve body, it is characterized in that, described feed-water end place has water inlet, on described valve gap, there is osculum, in described valve body, also there is constriction, described constriction is positioned at described valve gap, one end of described spring is resisted against on described constriction, the other end is resisted against on described spool and makes described spool have all the time the trend in sealing described valve inleting water hole.
Under the effect of spring force, spool has the trend of closed valve water inlet all the time, makes this one-way constant flow valve have the function of one-way conduction; Constriction is positioned at valve gap, can select according to actual needs the constrictions of different sizes, to change the circulation area of osculum, makes the flow that this one-way constant flow valve can place, control valve body waterexit end, to meet the demand of different flow, plays the effect of constant flow rate.
In above-mentioned a kind of one-way constant flow valve, described constriction comprises positioning ring, connection strap, current limliting piece and stabilization ring, described current limliting piece is positioned at the center of described positioning ring, described current limliting piece is connected mutually by described connection strap and described positioning ring, the outer side wall of described positioning ring and the madial wall of described valve gap fit, described current limliting piece is located in the osculum of described valve gap, and described stabilization ring is between connection strap and valve gap.Current limliting piece and positioning ring are connected by four connection straps, between current limliting piece and positioning ring, there is gap, this gap is passed through for fluid, current limliting piece is positioned at the centre of valve gap osculum, the circulation area of controlling osculum, plays the effect of constant flow rate, simple in structure, replacement constriction is convenient, and stabilization ring is not make between connection strap and valve gap can be excessively mobile under the impact at fluid of positioning ring, connection strap and limiting stopper.
As another kind of situation, in above-mentioned a kind of one-way constant flow valve, described constriction comprises positioning ring, connection strap, current limliting piece and stable bar, described current limliting piece is positioned at the center of described positioning ring, described current limliting piece is connected mutually by described connection strap and described positioning ring, the outer side wall of described positioning ring and the madial wall of described valve gap fit, and described current limliting piece is located in the osculum of described valve gap, and described stable bar is fixed on a side of connection strap and between connection strap and valve gap.Current limliting piece and positioning ring are connected by four connection straps, and the homonymy of four connection straps is all fixed with one and stablizes bar, stablizes bar between connection strap and valve gap, make positioning ring, connection strap and the limiting stopper can be excessively not mobile under the impact of fluid; Between current limliting piece and positioning ring, have ，Gai gap, gap and pass through for fluid, current limliting piece is positioned at the centre of valve gap osculum, controls the circulation area of osculum, plays the effect of constant flow rate, simple in structure, replaces constriction convenient
In above-mentioned a kind of one-way constant flow valve, described current limliting piece is round table-like, and the week of described current limliting piece has engaging tooth laterally, and described current limliting Kuai center has pilot hole.Change the quantity of engaging tooth or the circulation area that the tooth pitch between adjacent engaging tooth can change valve body osculum place, according to different flows, replace different current limliting pieces, play the effect of constant flow rate.
In above-mentioned a kind of one-way constant flow valve, on described current limliting piece, have locating slot, a side of described current limliting piece has locating column, and described locating column is positioned at current limliting Kuai center, and the center of locating column has through hole, one end of described spring is enclosed within the outside of locating column and is positioned at locating slot.Spring is embedded in locating slot and is enclosed within the outside of locating column, and locating slot and locating column all play positioning action to spring, and spring can be offset when flexible, spring good stability, and the aperture of through hole is consistent with the aperture of pilot hole, and on same straight line.
In above-mentioned a kind of one-way constant flow valve, described spool comprises the core print seat that is round table-like and the core bar that is direct rod shape, and the week of described core print seat has annular groove laterally, and described annular groove inner sleeve has " O " type rubber seal.This one-way constant flow valve when closed condition, the water inlet of " O " type rubber seal rings for seal valve body, good seal performance.
In above-mentioned a kind of one-way constant flow valve, on the madial wall of described valve body, there is gib block, described gib block is along the axial setting of valve body, and described " O " type rubber seal and described gib block fit.Gib block plays the effect of guiding to the movement of spool, spool can only, along the moving axially of valve body, can be offset, rock, the good stability of spool, the good stability that fluid is mobile.
In above-mentioned a kind of one-way constant flow valve, described core bar is located in described pilot hole.The pilot hole of current limliting piece plays the effect of guiding to the movement of core bar, make the spool can only be along the moving axially of valve body, spool good stability.
In above-mentioned a kind of one-way constant flow valve, the other end of described spring is resisted against on core print seat.
Compared with prior art, the one-way constant flow valve that the utility model provides has the following advantages:
1, this one-way constant flow valve has dual functions, and spring makes spool have all the time the trend of valve body feed-water end, makes this one-way constant flow valve have the function of one-way conduction; The current limliting piece of constriction is arranged in the osculum of valve gap, and the circulation area of valve body waterexit end is diminished, and makes this one-way constant flow valve have the effect of limit fluid flow, has the function of constant flow rate, simple in structure, diverse in function.
2, the constriction of this one-way constant flow valve is connected mutually by drive fit and valve gap, and it is convenient to replace, and the current limliting piece of required cross-section area can be installed according to actual needs, for controlling the flow of this one-way constant flow valve.
Accompanying drawing explanation
Fig. 1 is this one-way constant flow valve embodiment one overall structure sectional view.
Fig. 2 is this one-way constant flow valve embodiment two overall structure sectional view.
Fig. 3 is the plan view of this one-way constant flow valve constriction.
Fig. 4 is the worm's eye view of this one-way constant flow valve constriction.
Fig. 5 is the structural representation of this one-way constant flow valve body.
In figure, 1, valve body; 1a, feed-water end; 1b, waterexit end; 1c, gib block; 2, spool; 2a, core print seat; 2a1, annular groove; 2b, core bar; 2c, " O " type rubber seal; 3, spring; 4, valve gap; 5, constriction; 5a, positioning ring; 5b, connection strap; 5c, current limliting piece; 5c1, pilot hole; 5c2, locating slot; 5d, locating column; 6, stabilization ring; 7, stablize bar.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As shown in Figure 1, this one-way constant flow valve comprises valve body 1, spool 2, spring 3, valve gap 4 and constriction 5.
The 1b place, waterexit end of valve body 1 is fixed with valve gap 4 by drive fit, and the center of valve gap 4 has osculum.
In valve body 1, be provided with spool 2, spring 3, constriction 5.Spool 2 comprises the core print seat 2a that is round table-like and is the core bar 2b of direct rod shape, the week of core print seat 2a has annular groove 2a1 laterally, annular groove 2a1 inner sleeve has " O " type rubber seal 2c; " O " outside of type rubber seal 2c protrudes from annular groove 2a1; and spool 2 is during along the moving axially of valve body 1; " O " outside of type rubber seal 2c is fitted on the madial wall of gib block 1c, and can radially not rocking along valve body 1 when spool 2 is moved.As shown in Figure 3, Figure 4, constriction 5 comprises positioning ring 5a, connection strap 5b, current limliting piece 5c and stabilization ring 6, and current limliting piece 5c is positioned at positioning ring 5a center, is round table-like, and week has engaging tooth laterally.Limiting stopper 5c is connected mutually by four connection strap 5b and positioning ring 5a, positioning ring 5a is connected mutually by drive fit and valve gap 4, between connection strap 5b and valve gap 4, there is stabilization ring 6, 6 couples of positioning ring 5a of stabilization ring, connection strap 5b and current limliting piece 5c play stable effect, prevent that constriction 5 from acutely rocking under the impact of fluid, prevent that current limliting piece 5c is flushed in osculum by whole, current limliting piece 5c is positioned at a side of positioning ring 5a, the opposite side of positioning ring 5a has locating column 5d, on current limliting piece 5c, there is locating slot 5c2, locating slot 5c2 is looped around the outside of locating column 5d, the pilot hole 5c1 that current limliting Kuai5c center has is consistent with the through-hole aperture that locating column 5d center has, and be located along the same line, pilot hole 5c1 is along the axial setting of valve body 1, with core bar 2b towards consistent, core bar 2b is positioned at pilot hole 5c1.Spring 3 is set in the outside of core bar 2b and locating column 5d, and it is upper that one end of spring 3 is resisted against core print seat 2a, and the other end is positioned at locating slot 5c2 and is resisted against current limliting piece 5c upper, makes spool 2 have all the time the trend of valve body 1 water inlet.Current limliting piece 5c is positioned at the osculum place of valve gap 4, according to the demand of different flow, change the engaging tooth of current limliting piece, the different number of teeth or the different tooth pitches of different sizes, circulation area with application valve cover osculum, play the effect of constant flow rate, and constriction 5 is to be connected mutually by drive fit and valve gap 4, handling, change convenient.
Embodiment two
As shown in Figure 2, the logical embodiment's one of the present embodiment structure and principle are basic identical, different places is in the present embodiment, constriction 5 comprises positioning ring 5a, connection strap 5b, current limliting piece 5c and stable bar 7, stablize bar 7 and be connected in connection strap 5b above, and between connection strap 5b and valve gap 4, the quantity of connection strap 5b is four, the quantity of stablizing bar 7 is four, stablizes bar 7 and is slightly less than limiting stopper 5c along the axial height of valve body 1 along the axial height of valve body 1.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used herein valve body 1, feed-water end 1a, waterexit end 1b, gib block 1c, spool 2, core print seat 2a, core bar 2b, annular groove 2a1, " O " type rubber seal 2c, spring 3, valve gap 4, constriction 5, positioning ring 5a, connection strap 5b, current limliting piece 5c, pilot hole 5c1, locating slot 5c2, locating column 5d, stabilization ring 6, stablize the terms such as bar 7, do not get rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (9)
1. an one-way constant flow valve, comprise valve body (1), spool (2), spring (3) and valve gap (4), one end of described valve body (1) is feed-water end (1a), the other end is waterexit end (1b), described spool (2) is positioned at described valve body (1), described valve gap (4) is fixed on the waterexit end (1b) of described valve body (1) and locates, it is characterized in that, described feed-water end (1a) locates to have water inlet, described valve gap has osculum on (4), in described valve body (1), also there is constriction (5), described constriction (5) is positioned at described valve gap (4), one end of described spring (3) is resisted against on described constriction (5), the other end is resisted against on described spool (2) and makes described spool (2) have all the time the trend of sealing described valve body (1) water inlet.
2. a kind of one-way constant flow valve according to claim 1, it is characterized in that, described constriction (5) comprises positioning ring (5a), connection strap (5b), current limliting piece (5c) and stabilization ring (6), described current limliting piece (5c) is positioned at the center of described positioning ring (5a), described current limliting piece (5c) is connected mutually by described connection strap (5b) and described positioning ring (5a), the madial wall of the outer side wall of described positioning ring (5a) and described valve gap (4) fits, described current limliting piece (5c) is located in the osculum of described valve gap (4), described stabilization ring (6) is positioned between connection strap (5b) and valve gap (4).
3. a kind of one-way constant flow valve according to claim 1, it is characterized in that, described constriction (5) comprises positioning ring (5a), connection strap (5b), current limliting piece (5c) and stable bar (7), described current limliting piece (5c) is positioned at the center of described positioning ring (5a), described current limliting piece (5c) is connected mutually by described connection strap (5b) and described positioning ring (5a), the madial wall of the outer side wall of described positioning ring (5a) and described valve gap (4) fits, described current limliting piece (5c) is located in the osculum of described valve gap (4), described stable bar (7) be fixed on a side of connection strap (5b) and be positioned at connection strap (5b) and valve gap (4) between.
4. according to a kind of one-way constant flow valve described in claim 2 or 3, it is characterized in that, described current limliting piece (5c) is round table-like, and the week of described current limliting piece (5c) has engaging tooth laterally, and the center of described current limliting piece (5c) has pilot hole (5c1).
5. according to a kind of one-way constant flow valve described in claim 2 or 3, it is characterized in that, on described current limliting piece (5c), there is locating slot (5c2), one side of described current limliting piece (5c) has locating column (5d), described locating column (5d) is positioned at the center of current limliting piece (5c), and the center of locating column (5d) has through hole, one end of described spring (3) is enclosed within the outside of locating column (5d) and is positioned at locating slot (5c2).
6. according to a kind of one-way constant flow valve described in claim 1 or 2 or 3, it is characterized in that, described spool (2) comprises the core print seat (2a) that is round table-like and the core bar (2b) that is direct rod shape, the week of described core print seat (2a) has annular groove (2a1) laterally, and described annular groove (2a1) inner sleeve has " O " type rubber seal (2c).
7. a kind of one-way constant flow valve according to claim 6, it is characterized in that, on the madial wall of described valve body (1), have gib block (1c), described gib block (1c) is along the axial setting of valve body (1), described " O " type rubber seal (2c) and described gib block (1c) fit.
8. a kind of one-way constant flow valve according to claim 6, is characterized in that, described core bar (2b) is located in described pilot hole (5c1).
9. a kind of one-way constant flow valve according to claim 6, is characterized in that, the other end of described spring (3) is resisted against on core print seat (2a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320406269.0U CN203395283U (en) | 2013-07-09 | 2013-07-09 | Unidirectional permanent flow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320406269.0U CN203395283U (en) | 2013-07-09 | 2013-07-09 | Unidirectional permanent flow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203395283U true CN203395283U (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320406269.0U Expired - Lifetime CN203395283U (en) | 2013-07-09 | 2013-07-09 | Unidirectional permanent flow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203395283U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351585A (en) * | 2015-11-25 | 2016-02-24 | 徐州工业职业技术学院 | Rigidity-variable spring type constant-flow valve |
| CN114156511A (en) * | 2021-10-25 | 2022-03-08 | 嘉寓氢能源科技(辽宁)有限公司 | Combined heat and power system based on fuel cell |
-
2013
- 2013-07-09 CN CN201320406269.0U patent/CN203395283U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351585A (en) * | 2015-11-25 | 2016-02-24 | 徐州工业职业技术学院 | Rigidity-variable spring type constant-flow valve |
| CN114156511A (en) * | 2021-10-25 | 2022-03-08 | 嘉寓氢能源科技(辽宁)有限公司 | Combined heat and power system based on fuel cell |
| CN114156511B (en) * | 2021-10-25 | 2023-11-14 | 嘉寓氢能源科技(辽宁)有限公司 | Combined heat and power system based on fuel cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: YUHUAN JIESHUI PLASTIC PRODUCTS FACTORY Assignor: Zhao Hongjun Contract record no.: 2014330000268 Denomination of utility model: A kind of one-way constant flow valve Granted publication date: 20140115 License type: Common License Record date: 20140630 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |