CN103216653B - Multifunctional mechanical delaying faucet - Google Patents
Multifunctional mechanical delaying faucet Download PDFInfo
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- CN103216653B CN103216653B CN201310122982.7A CN201310122982A CN103216653B CN 103216653 B CN103216653 B CN 103216653B CN 201310122982 A CN201310122982 A CN 201310122982A CN 103216653 B CN103216653 B CN 103216653B
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- coil spring
- valve
- control valve
- spring box
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Abstract
The invention discloses a multifunctional mechanical delaying faucet which is characterized in that a water channel control seat is manufactured at the middle upper part of a shell, is provided with a water inlet in the bottom and is provided with a water outlet in the front middle part, the lower end of the water outlet is provided with a baffle, a fixing adjusting seat is arranged outside the water channel control seat and is provided with an assembly hole in the middle of the bottom, an inner tooth slot is arranged in the assembly hole, the fixing adjusting seat is sleeved on an outer tooth slot at the shell by the inner tooth slot and is internally provided with a tension spring, the upper side of the tension spring is provided with a coil spring box provided with a connection hole in the middle part, the connection hole is internally provided with a water control valve, the middle of the water control valve is connected, mounted and fixed in the upper port of the water channel control seat by outer threads, and a valve element is arranged in the body of the water control valve. The multifunctional mechanical delaying faucet disclosed by the invention is simple in structure, reasonable in design, and can optionally control the water discharging time by the size of the rotating angle of a knob handle.
Description
Technical field
The present invention relates to a kind of water tap, especially a kind of delay water faucet that can adjust arbitrarily water discharging time.
Background technique
The delay water faucet sold in the market, the push type delay water faucet that many employings magnet controls and electric induction water tap, above-mentioned water tap is due to the limitation of design, following defect is there is in using, push type delay water faucet water supply time is shorter and fixing, and once supplying water to meet multiple water demand, needs multi-pass operation or repeatedly press during use, not only add trouble to user, but also affect the working life of water tap; Electric induction water tap is expensive, and powered impact is larger.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, provide a kind of mechanical type delay water faucet, the time controlling water outlet can be adjusted as required flexibly, so that use, reduce trouble, while realizing water saving, meet the multiple demand of user.
The solution of the present invention is by housing, water channel control block, secured adjusted seat, tension spring, water control valve, coil spring is also known as clockwork spring and coil spring box and upper cover composition, its structural feature is shaped with water channel control block in the middle and upper part of housing, the bottom of water channel control block is provided with water inlet, the front middle part of water channel control block is provided with osculum, the lower end of osculum is provided with baffle plate, the water channel that lower end leads to faucet water outlet opening is closed by baffle plate, water channel control block suitable for reading in be provided with internal thread, the outer middle part of water channel control block is provided with the outer teeth groove being mounted with adjustment seat near housing place, the outside of water channel control block is provided with secured adjusted seat, pilot hole is provided with at the end of secured adjusted seat, internal spline is provided with in pilot hole, the outside of internal spline is provided with spring groove, the outside of spring groove is provided with three pawl holes of installing coil spring box and connecting pawl, secured adjusted seat is sleeved on the outer teeth groove of housing by internal spline, secured adjusted seat is built with tension spring, the upside of tension spring is provided with coil spring box, the side of coil spring box body is provided with coil spring outer end mounting groove, the upside of box body is provided with grab, upper grab is used for fixing upper cover plate, the side of upper cover plate is provided with the well of dismounting cover plate, the middle part of coil spring box is provided with attachment hole, attachment hole is built with water control valve, the joint of coil spring box attachment hole and water control valve is provided with the well of dismounting water control valve, the downside of coil spring box is provided with and is fixedly connected with pawl, coil spring box is by connecting in pawl hole that pawl is inserted into bottom secured adjusted seat, the Placement of coil spring box and water control valve is for being flexibly connected, namely coil spring box can rotate freely around the upper valve port of water control valve.The bottom of water control valve is provided with water inlet, the upper inner side of water inlet is provided with two corresponding restraining grooves, the left and right sides of restraining groove is provided with a pair osculum, the left inside side of osculum upper end is provided with a driving lever and stops platform, the upper end of osculum is provided with seal groove, seal groove is built with seal ring, the lower end of seal ring is provided with outside thread, the upper end of water control valve is provided with valve port, the upper end of water control valve is arranged on by upper valve port in the attachment hole of coil spring box, the middle part of water control valve by outside thread connection be fixed on water channel control block suitable for reading in, the valve body of water control valve is built with spool, the mounting groove of fixing coil spring the inner is had in the cylinder of spool upper end, the top of spool is provided with fixing threaded hole, the outside of spool cylinder is provided with outer teeth groove, the middle part of spool is provided with seal ring, the bottom of spool is provided with left driving lever, right driving lever, the upper end of left driving lever was provided with the groove stopping platform.Spool is upwards arranged in the valve body of water control valve by the water inlet of water control valve bottom, and the lower end of driving lever is provided with valve block, and the lower end of upper valve block is provided with lower valve, and Gask-O-Seal is equipped with in the lower end of lower valve, and the middle part of sealing gasket is provided with water intake.The upper-end surface of upper valve block is provided with two the driving lever grooves in left and right, the bottom surface of upper valve block is provided with half hollow slots, the side of upper valve block is provided with valve block water outlet, lower valve is provided with lower valve water inlet, the lower end of water inlet is provided with Bi Shi district, the left and right sides of lower valve is provided with spacing fixing pin, the seat ring of coil spring box is built with coil spring, the outer side surface of coil spring box is provided with coil spring outer end mounting groove, the outer end of coil spring is articulated in mounting groove, the inner of coil spring is arranged in the mounting groove of spool upper end, upper cover plate is provided with above coil spring, the upper end of coil spring box is provided with upper cover, the top of upper cover is provided with center screw, the outside of center screw is provided with internal spline, upper cover is sleeved in outer teeth groove by internal spline, middle part is fixed by centre bolt, the downside of upper cover is provided with and is fixedly connected with pin, be fixedly connected with pin built with adjustable lever, the right-hand member of adjustable lever is arranged in fixing pin, the centre of adjustable lever is provided with eccentric wheel, left end is provided with regulating handle, the front end of housing is provided with water outlet, , rear end is provided with intake pipe and connects screw socket.
Structure of the present invention is simple, and reasonable in design, easy for operation, the knob angular dimension by joystick knob controls water discharging time arbitrarily.
Be described in further detail below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is water tap overall appearance figure;
Fig. 2 is water tap overall structure schematic diagram;
Fig. 3 is tap water channel control block schematic diagram;
Fig. 4 is secured adjusted seat schematic diagram;
Fig. 5 is water control valve structural representation;
Fig. 6 is that coil spring box and water control valve assemble schematic diagram;
Fig. 7 is coil spring box and water control valve assembling plan view;
Fig. 8 is that coil spring installs connection diagram;
Fig. 9 is coil spring box cover plate schematic diagram;
Figure 10 is valve core structure schematic diagram;
Figure 11 is upper valve block schematic bottom view;
Figure 12 is schematic diagram above upper valve block;
Figure 13 is lower valve schematic bottom view;
Figure 14 is schematic diagram above lower valve;
Figure 15 is Gask-O-Seal schematic diagram;
Figure 16 is Gask-O-Seal plan structure schematic diagram.
Embodiment
The middle and upper part of the housing 3 shown in Fig. 1-14 is shaped with water channel control block 4, the front middle part of water channel control block is provided with osculum 25, the lower end of osculum is provided with baffle plate 27, the water channel that lower end leads to faucet water outlet opening is closed by baffle plate, water channel control block suitable for reading in be provided with internal thread 58, the outer middle part of water channel control block is provided with the outer teeth groove 38 being mounted with adjustment seat near housing place, the bottom of water channel control block is provided with water inlet 1, secured adjusted seat 20 is equipped with in the outside of water channel control block, pilot hole is provided with at the end of secured adjusted seat, internal spline 7 is provided with in pilot hole, the outside of internal spline is provided with spring groove 23, the outside of spring groove is provided with three pawl holes 22 of installing coil spring box and connecting pawl 8, secured adjusted seat is sleeved on the outer teeth groove of housing by internal spline, secured adjusted seat is built with tension spring 21, the upside of tension spring is provided with coil spring box 10, the side of coil spring box body is provided with coil spring outer end mounting groove 9, the upside of box body is provided with grab 12, upper grab is used for fixing upper cover plate 13, the side of upper cover plate is provided with the well 32 of dismounting cover plate, the middle part of coil spring box 10 is provided with attachment hole, attachment hole is built with water control valve 6, the joint of coil spring box attachment hole and water control valve is provided with the well 30 of dismounting water control valve, the downside of coil spring box is provided with and is fixedly connected with pawl 8, coil spring box is by connecting in pawl hole 22 that pawl is inserted into bottom secured adjusted seat, the Placement of coil spring box and water control valve 6 is for being flexibly connected, namely coil spring box 10 can rotate freely around the upper valve port 44 of water control valve.The bottom of water control valve is provided with water inlet 57, the upper inner side of water inlet is provided with two corresponding restraining grooves 49, the left and right sides of restraining groove is provided with a pair osculum 5, the left inside side of osculum upper end is provided with a driving lever and stops platform 50, the upper end of osculum is provided with seal groove 39, seal groove is built with seal ring, the lower end of seal ring is provided with outside thread 40, the upper end of water control valve is provided with valve port 44, the upper end of water control valve is arranged on by upper valve port in the attachment hole of coil spring box, the middle part of water control valve by outside thread connection be fixed on water channel control block suitable for reading in, the valve body of water control valve is built with spool 24, the mounting groove 33 of fixing coil spring the inner is had in the cylinder of spool upper end, the top of spool is provided with fixing threaded hole 41, the upper outside of spool cylinder is provided with outer teeth groove 52, the middle part of spool is provided with seal ring 42, the bottom of spool is provided with left driving lever 54, right driving lever 43, the upper end of left driving lever 54 is provided with the groove 51 by stopping platform.Spool is upwards arranged in the valve body of water control valve by the water inlet of water control valve bottom, and the lower end of driving lever is provided with valve block 26, and the lower end of upper valve block is provided with lower valve 28, and Gask-O-Seal 2 is equipped with in the lower end of lower valve, and the middle part of sealing gasket is provided with water intake 37.The upper-end surface of upper valve block is provided with two the driving lever grooves 35 in left and right, the bottom surface of upper valve block is provided with half hollow slots 34, the side of upper valve block is provided with valve block water outlet 45, lower valve is provided with lower valve water inlet 46, the lower end of water inlet is provided with Bi Shi district 53, the left and right sides of lower valve is provided with spacing fixing pin 36, the seat ring of coil spring box is built with coil spring 31, the outer side surface of coil spring box is provided with coil spring outer end mounting groove 9, the outer end 55 of coil spring is articulated in mounting groove, the inner 56 of coil spring is arranged in the mounting groove 33 of spool upper end, upper cover plate 13 is provided with above coil spring, the upper end of coil spring box is provided with upper cover 11, the top of upper cover is provided with center screw, the outside of center screw is provided with internal spline, upper cover is sleeved in outer teeth groove 52 by internal spline, middle part is fixed by centre bolt 15, the downside of upper cover is provided with and is fixedly connected with pin 16, be fixedly connected with pin built with adjustable lever 17, the right-hand member of adjustable lever is arranged in fixing pin 16, the centre of adjustable lever is provided with eccentric wheel 18, left end is provided with regulating handle 19, the front end of housing is provided with water outlet 47, rear end is provided with intake pipe and connects screw socket 48.
Operation instruction
During original state, water tap is in closed state, and the water outlet 45 now going up valve block coincides with the Bi Shi district 53 of lower valve, and current connect screw socket by the intake pipe of housing rear end and enter housing, is hindered the below in lower valve by two closed valve blocks.Now the driving lever 43 of spool nestles up the side that driving lever stops platform 50.Regulating handle 19 and the whole upper cover of water tap upper cover remain static.
Rotate regulating handle 19, handle strip movable valve plug 24 rotates.Because valve spool driving lever is fixed in the driving lever groove 35 of upper valve block, so driven again the rotation of upper valve block. and lower valve fixedly remaining static by restraining groove 49 and restraining groove 36, now two valve blocks misplace.The water outlet 45 of upper valve block starts and the water intake 46 of lower valve overlaps gradually, and bear space, the current now amassed under lower valve flow through valve block by space, flow through water control valve water outlet 5, flow through water channel control block water outlet 25, flow out tap water outlet nozzle 47, used by user.
Be rotated further regulating handle 19, two valve block spaces continue to widen, to such an extent as to are equal to the size of valve block water outlet 45 completely, and now water tap reaches capacity water-outlet quantity, and waterflow stabilization flows out.
Be rotated further regulating handle, now driving lever 54 was owing to being provided with the groove 51 stopping platform, so can stop platform 50 by driving lever, now regulating handle has rotated 180 degree.
Be rotated further regulating handle, now driving lever 43 did not have the groove stopping platform, and encounter driving lever and stop that platform stops later, rotation is reached home.Again because the inner 56 of coil spring is fixed in the inner mounting groove 33 of spool, outer end 55 is fixed in the outer end mounting groove 9 of coil spring box.And coil spring box 10 is fixed on secured adjusted seat 20 by connecting pawl 8, secured adjusted seat, by spring 21 tensioning, is fixed in water channel control block, because water channel control block is welded on housing by teeth groove is meshing, so be static, so the outer end 55 of coil spring is also fixed static.While rotating regulating handle, coil spring inner 56 is and then rotated, and coil spring generation deformation, is stored upper elasticity.After unclamping regulating handle, coil spring replys deformation, release elastic force, and elastic force overcomes the frictional force between valve block, and band movable valve plug is returned to original state, and two valve blocks close again, and under current are blocked in lower valve, water tap completes one-off.
The elastic force of coil spring increases along with the increase of deformation quantity.Along with the angle of rotating regulating handle increases gradually, the elastic force that coil spring is accumulated also can be increasing, in order to the rotation realizing handle is level and smooth, is provided with half hollow slots 34 below upper valve block.Along with the rotation angle of handle increases gradually, elastic force on coil spring increases gradually, under the effect of half hollow slots, the area of contact of two valve blocks increases gradually, frictional force between two valve blocks increases gradually, coil spring will recover the valve block frictional force that deformation will overcome and increase gradually, and the same increasing realizing coil spring elastic force with this and will overcome frictional force between valve block, with subtracting, realizes the automatic smoothing revolution of regulating handle under coil spring effect with this.
It is tired out that coil spring there will be elasticity after used a period of time, elasticity changes, and two valve blocks in spool are due to the various problems in use, such as valve sheet from being worn, long-pending upper incrustation scale, or water temperature change cause expand with heat and contract with cold the frictional force between two valve blocks all can be made to change, and then cause the size of frictional force between coil spring elastic force and valve block unbalance, bring problem to use.Now the size of coil spring power is regulated to realize the normal of use with regard to needing.Secured adjusted seat 20, except having the effect of fixing coil spring box, also has the effect regulating coil spring degree of tightness.Now hold secured adjusted seat 20, up mention gently (spacing of the adjustable lever 17 in secured adjusted seat and upper cover is greater than the height of teeth groove 38), overcome the tension force of spring, the teeth groove making it depart to be used for fixing, after departing from teeth groove, secured adjusted seat now can left rotation and right rotation.The rotation of secured adjusted seat 20 drives the coil spring box inserted in it to be fixedly connected with the rotation of pawl 8, and then drives the rotation of coil spring box.The rotation of coil spring box drives again the rotation of coil spring outer end 55.Coil spring the inner 56 is connected on spool, is now in fixed static state, so the rotation of coil spring outer end can realize the degree of tightness of coil spring, and then regulates the state of coil spring.It is tighter that coil spring is received, and after inner ends thereof several angle, the power put aside is larger, and vice versa.
After coil spring is transferred to suitable degree, unclamp secured adjusted seat, under the effect of spring 21 tension force, secured adjusted seat is retightened on housing teeth groove 38, gets back to fixed static state.The adjustment of coil spring completes.
This is a delay water faucet, and water discharging time can increase along with the angle of swing of regulating handle and increase.And the adjusting angle being greater than 180 degree can meet the multiple user demand of user especially, more bring conveniently to use while realizing water saving, be specially adapted to public arena.
In order to meet more kinds of demands, this water tap also has the long-time water supply function of ordinary faucet.Adjustable lever 17 in the lid of water tap upper cover 11 is provided with eccentric wheel 18. capping direction on being parallel to and rotates regulating handle to several angle, and after realizing discharging water, then perpendicular to capping direction twisting regulating handle 19, band movable eccentric wheel rotates.After eccentric wheel turns to several angle, touch coil spring box cover plate 13, and rub with it, after frictional force acquires a certain degree, decontrol regulating handle, now frictional force is greater than the turning power on spool, turning power yields to frictional force, and upper box face is fixed, and upper cover is static, the spool be fixedly connected with upper cover is static, realizes discharging water for a long time of this kind of product with this.
Technological points
1, can the delay water faucet of levels operation;
2, the delay water faucet of water supply time can be regulated;
3, the long-time delay water faucet supplied water can be realized as normal water tap;
4, coil spring is as power resources;
5, the device (secured adjusted seat) that coil spring is fixed and regulated can be realized;
6, single driving lever stops platform and crosses the setting of resistance groove;
7, angle of swing can be greater than the upper lower valve setting of 180 degree;
8, the setting of involute half hollow slots on upper valve block;
9, eccentric setting in upper cover.
Claims (7)
1. a multi-functional mechanical formula delay water faucet, by housing, water channel control block, secured adjusted seat, tension spring, water control valve, coil spring is also known as clockwork spring and coil spring box and upper cover composition, it is characterized in that: the middle and upper part of described housing (3) is shaped with water channel control block (4), the front middle part of water channel control block is provided with osculum (25), the lower end of osculum is provided with baffle plate (27), the water channel that lower end leads to faucet water outlet opening is closed by baffle plate, water channel control block suitable for reading in be provided with internal thread (58), the outer middle part of water channel control block is provided with the outer teeth groove (38) being mounted with adjustment seat near housing place, the bottom of water channel control block is provided with water inlet (1), secured adjusted seat (20) is equipped with in the outside of water channel control block, pilot hole is provided with at the end of secured adjusted seat, internal spline (7) is provided with in pilot hole, the outside of internal spline is provided with spring groove (23), the outside of spring groove is provided with three pawl holes (22) of installing coil spring box and connecting pawl (8), secured adjusted seat is sleeved on the outer teeth groove of housing by internal spline, secured adjusted seat is built with tension spring (21), the upside of tension spring is provided with coil spring box (10), the middle part of coil spring box (10) is provided with attachment hole, attachment hole is built with water control valve (6), the valve body of water control valve is built with spool (24).
2. multi-functional mechanical formula delay water faucet according to claim 1, it is characterized in that: the side of described coil spring box body is provided with coil spring outer end mounting groove (9), the upside of box body is provided with grab (12), upper grab is used for fixing upper cover plate (13), the side of upper cover plate is provided with the well (32) of dismounting cover plate, the joint of coil spring box attachment hole and water control valve is provided with the well (30) of dismounting water control valve, the downside of coil spring box is provided with coil spring box and connects pawl (8), coil spring box is by connecting in pawl hole (22) that pawl is inserted into bottom secured adjusted seat, the Placement of coil spring box and water control valve (6) is for being flexibly connected.
3. multi-functional mechanical formula delay water faucet according to claim 1, it is characterized in that: the bottom of described water control valve is provided with water inlet (57), the upper inner side of water inlet is provided with two corresponding restraining grooves (49), the left and right sides of restraining groove is provided with a pair osculum (5), the left inside side of osculum upper end is provided with a driving lever and stops platform (50), the upper end of osculum is provided with seal groove (39), seal groove is built with seal ring, the lower end of seal ring is provided with outside thread (40), the upper end of water control valve is provided with valve port (44), the upper end of water control valve is arranged on by upper valve port in the attachment hole of coil spring box, the middle part of water control valve by outside thread connection be fixed on water channel control block suitable for reading in.
4. multi-functional mechanical formula delay water faucet according to claim 1, it is characterized in that: the mounting groove (33) having fixing coil spring the inner in the cylinder of described spool upper end, the top of spool is provided with fixing threaded hole (41), the upper outside of spool cylinder is provided with outer teeth groove (52), the middle part of spool is provided with seal ring (42), the bottom of spool is provided with left driving lever (54), right driving lever (43), the upper end of left driving lever (54) is provided with the groove (51) by stopping platform, spool is upwards arranged in the valve body of water control valve by the water inlet of water control valve bottom, the lower end of driving lever is provided with valve block (26), the lower end of upper valve block is provided with lower valve (28), Gask-O-Seal (2) is equipped with in the lower end of lower valve, the middle part of sealing gasket is provided with water intake (37), the upper-end surface of upper valve block is provided with two the driving lever grooves (35) in left and right, the bottom surface of upper valve block is provided with half hollow slots (34), the side of upper valve block is provided with valve block water outlet (45), lower valve is provided with lower valve water inlet (46), the lower end of water inlet is provided with Bi Shi district (53), the left and right sides of lower valve is provided with spacing fixing pin (36).
5. multi-functional mechanical formula delay water faucet according to claim 1, it is characterized in that: the seat ring of described coil spring box is built with coil spring (31), the outer side surface of coil spring box is provided with coil spring outer end mounting groove (9), the outer end (55) of coil spring is articulated in mounting groove, the inner (56) of coil spring is arranged in the mounting groove (33) of spool upper end, is provided with upper cover plate (13) above coil spring.
6. multi-functional mechanical formula delay water faucet according to claim 1, it is characterized in that: the upper end of described coil spring box is provided with upper cover (11), the top of upper cover is provided with center screw, the outside of center screw is provided with internal spline, upper cover is sleeved in outer teeth groove (52) by internal spline, middle part is fixed by centre bolt (15), the downside of upper cover is provided with and is fixedly connected with pin (16), be fixedly connected with pin built with adjustable lever (17), the right-hand member of adjustable lever is arranged on and is fixedly connected with in pin (16), the centre of adjustable lever is provided with eccentric wheel 18, left end is provided with regulating handle (19).
7. multi-functional mechanical formula delay water faucet according to claim 1, is characterized in that: the front end of described housing is provided with water outlet (47), and rear end is provided with intake pipe and connects screw socket (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310122982.7A CN103216653B (en) | 2013-04-10 | 2013-04-10 | Multifunctional mechanical delaying faucet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310122982.7A CN103216653B (en) | 2013-04-10 | 2013-04-10 | Multifunctional mechanical delaying faucet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103216653A CN103216653A (en) | 2013-07-24 |
| CN103216653B true CN103216653B (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310122982.7A Expired - Fee Related CN103216653B (en) | 2013-04-10 | 2013-04-10 | Multifunctional mechanical delaying faucet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103216653B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840838B (en) * | 2016-05-23 | 2018-05-15 | 厦门建霖健康家居股份有限公司 | Water-saving tap and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4202467A (en) * | 1976-11-05 | 1980-05-13 | Compagnie Nationale D'amenagement De La Region Du Bas-Rhone Et Du Languedoc | Volumetric valve with independent display and resetting |
| CN101036011A (en) * | 2004-10-04 | 2007-09-12 | 穆罕默德拉德温罗法特·阿塔西 | Volumetric valve |
| CN201416661Y (en) * | 2009-02-25 | 2010-03-03 | 曹国辉 | Mechanical adjustable time delay self-closing energy-saving water nozzle |
| CN203258137U (en) * | 2013-04-10 | 2013-10-30 | 刘昌亚 | Multifunctional mechanical time-delay water faucet |
-
2013
- 2013-04-10 CN CN201310122982.7A patent/CN103216653B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4202467A (en) * | 1976-11-05 | 1980-05-13 | Compagnie Nationale D'amenagement De La Region Du Bas-Rhone Et Du Languedoc | Volumetric valve with independent display and resetting |
| CN101036011A (en) * | 2004-10-04 | 2007-09-12 | 穆罕默德拉德温罗法特·阿塔西 | Volumetric valve |
| CN201416661Y (en) * | 2009-02-25 | 2010-03-03 | 曹国辉 | Mechanical adjustable time delay self-closing energy-saving water nozzle |
| CN203258137U (en) * | 2013-04-10 | 2013-10-30 | 刘昌亚 | Multifunctional mechanical time-delay water faucet |
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| CN103216653A (en) | 2013-07-24 |
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