CN104180054B - Liquid feeding valve device - Google Patents
Liquid feeding valve device Download PDFInfo
- Publication number
- CN104180054B CN104180054B CN201410438575.1A CN201410438575A CN104180054B CN 104180054 B CN104180054 B CN 104180054B CN 201410438575 A CN201410438575 A CN 201410438575A CN 104180054 B CN104180054 B CN 104180054B
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- China
- Prior art keywords
- piston
- piston component
- sleeve
- liquid
- case assembly
- Prior art date
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Links
- 239000007788 liquid Substances 0.000 title claims abstract description 101
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 238000002347 injection Methods 0.000 claims description 40
- 239000007924 injection Substances 0.000 claims description 40
- 230000000694 effects Effects 0.000 claims description 18
- 210000003205 muscle Anatomy 0.000 claims description 14
- 230000004044 response Effects 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000006835 compression Effects 0.000 description 25
- 238000007906 compression Methods 0.000 description 25
- 238000010586 diagram Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000011344 liquid material Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 241000521257 Hydrops Species 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/022—Devices for adding soap or other washing agents in a liquid state
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
Abstract
The invention relates to the field of valves and provides a liquid feeding valve device. The liquid feeding valve device comprises an accommodating box assembly (11) and an integral piston assembly (12) separated from the accommodating box assembly (11). The integral piston assembly (12) extends into the accommodating box assembly (11) and is used for feeding liquid into the accommodating box assembly (11). The integral piston assembly (12) comprises a liquid inlet (1222) and return mechanisms (123 and 124), wherein the return mechanisms (123 and 124) are used for taking the liquid inlet (1222) extending out of the integral piston assembly (12) back to the integral piston assembly (12) before the integral piston assembly (12) is separated from the accommodating box assembly (11). A phenomenon that the liquid is left in the accommodating box assembly and accordingly is leaked is effectively avoided, and the sealing performance and reliability of the liquid feeding valve device are improved.
Description
Technical field
The present invention relates to valve field, in particular to a kind of valve for adding liquid material, especially, institute
Stating valve can be installed on the equipment such as washing machine, for adding the liquid materials such as liquid detergent.
Background technology
Valving is in fluid system, for controlling the device of the direction of fluid, pressure, flow.Specifically make to match somebody with somebody
Medium (liquid, gas, powder) flowing or stopping in pipe and equipment, and the device of its flow can be controlled, for changing path
Section and media flow direction, can have the functions such as water conservancy diversion, cut-off, throttling, non-return, shunting or overflow release.
The existing valving for supplying liquid material has a variety of structures, for example, pipe valve shape, cock shape etc.,
The utility model patent of Application No. CN201320131625.2, the valving of its protection employs split type valve knot
Structure, can realize the connection of two and multiple devices, and the valving includes the motion valve module 1 that can be separated from each other and dock
With fixed valve assembly 2, two valve modules are corresponding respectively and limit the first cavity and the second cavity, and by distinguishing in valve module
The spring and sealing ring of setting is realizing the sealing function to the first cavity and the second cavity.
However, the valving of utility model patent description, its sealing and Reliability comparotive are poor, when liquid has been conveyed
Afterwards, liquid can be accumulated in fixed valve assembly cavity, it is because motion valve cannot reclaim the hydrops being deposited in fixed valve cavity and solid
Determine the junction of valve and motion valve, employ flat mouth design, therefore, when motion valve and standing valve separate, fixed valve group
Hydrops in part cavity easily spills from junction.
The content of the invention
In order to increase the sealing and reliability of liquid feeding valve, it is to avoid the phenomenon of leakage occurs, the invention provides one
Liquid feeding valving is planted, including：Accommodate case assembly and the one piston component with accommodating case components apart；One piston
Component is used to stretch into receiving case assembly and to its feed fluid；One piston component includes：Liquid injection port and response agency, links-and-links machine
Structure is used for, and before one piston component departs from receiving case assembly, the liquid injection port for stretching out one piston component is recovered to into one
In piston component.
Alternatively, response agency includes：Sleeve and the first elastomeric element, sleeve, will in the presence of the first elastomeric element
The liquid injection port for stretching out one piston component is recovered in one piston component.
Alternatively, one piston component includes：One piston, sleeve and the first elastomeric element, liquid injection port is arranged at one
Piston, sleeve can slide in the presence of the first elastomeric element relative to one piston, and the liquid injection port of one piston is withdrawn
To in one piston component.
Alternatively, one piston also includes：Inner tube, outer tube, sleeve is located between inner tube and outer tube, and liquid injection port is located at interior
Pipe, the first elastomeric element is spacing by sleeve and inner tube, sleeve in the presence of the first elastomeric element, relative to inner tube and outer tube
Slide in clip slot between the inner and outer pipe sections, the liquid injection port of inner tube is recovered in one piston component.
Alternatively, one piston component also includes：First seal member, the first seal member is located at sleeve and one piston
Between, for the sealing between sleeve and one piston.
Alternatively, one piston component also includes：Second seal member, the second seal member is located at before one piston
End, for when sleeve is recovered to liquid injection port in one piston component, sealing to one piston component.
Alternatively, inner tube is provided with and stretches out muscle, for limiting the scope of activities of the first elastomeric element.
Alternatively, outer tube is provided with positioning step, and for limiting one piston component the length accommodated in case assembly is extend into.
Alternatively, sleeve is provided with perforate in the front end face vertical with one piston.
Alternatively, outer tube links into an integrated entity with the bottom of inner tube, and the end face in the bottom is provided with perforate.
Alternatively, the bottom of one piston component is provided with perforate, for being connected with additive liq with external module.
Alternatively, accommodating case assembly includes：Inlet and inlet valve, inlet valve includes the 3rd sealing group
Part, for sealing to inlet.
Alternatively, inlet valve includes second piston, and second piston is opened or closed in the presence of one piston component
Close inlet.
Alternatively, inlet valve includes the second elastomeric element, in the presence of one piston component, the second elastomeric element
Compression is stretched, and drives second piston to be correspondingly turned on and off inlet.
Alternatively, inlet valve include upset lid, upset cover in the presence of one piston component, be turned on and off into
Liquid mouth.
Alternatively, inlet valve includes the 3rd elastomeric element, in the presence of one piston component, the 3rd elastomeric element
Upset lid rotation is driven, inlet is turned on and off.
Alternatively, case assembly is accommodated in the connecting portion with one piston component, be provided with hierarchic structure, one piston component
Front end be correspondingly provided with slip step, when one piston component extend into receiving case assembly, slip step and hierarchic structure
Engaging, and stop one piston component relative to accommodating case component movement.
Alternatively, response agency includes, sleeve, the first elastomeric element, when one piston component by external force from accommodating case group
When part is extracted, before slip step is separated under external force with hierarchic structure, sleeve in the presence of the first elastomeric element,
Liquid injection port is recovered in one piston component.
Alternatively, slip step is provided with the 3rd seal member, when slip step engages with hierarchic structure, the 3rd sealing
Part is brought into close contact with hierarchic structure.
The present invention carries out liquid supply by valving to equipment such as washing machines, and in valve conducting the stream of liquid is carried out
During entering, due to the sealing knot of connecting portion between the sealing structure and piston and accommodating case of one piston component itself
Structure, it is ensured that liquid will not flow out from one piston component, also will not flow out from accommodating case；In addition, tying in liquid injection
During the closing of beam late gate, one piston are pulled out, the sealing knot of the connecting portion between accommodating case and one piston component
Structure still works, also, liquid is fully retrieved to after one piston component inside, and one piston component is just and accommodating case group
Part is completely disengaged from, and be effectively prevent and is retained liquid and produce the phenomenon of leakage in receiving case assembly, improves the sealing of valving
Property and reliability.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing of embodiment will be simply situated between below
Continue, it should be apparent that, drawings in the following description merely relate to some embodiments of the present invention, rather than limitation of the present invention.
Fig. 1 a-1g are the structural representations of valving according to an embodiment of the invention；
Fig. 1 a are the stereograms of valving；
Fig. 1 b are the profiles under the receiving case assembly and one piston component released state of valving；
Fig. 1 c are that one piston component is inserted into receiving case assembly original state profile；
Fig. 1 d are that one piston component is inserted into receiving case assembly intermediateness profile；
Fig. 1 e are that one piston component is inserted into receiving case assembly end-state profile；
Fig. 1 f are to stretch out muscle structural representation in inner tube；
Fig. 1 g are middle sleeve bottom open-celled structure schematic diagrames；
Fig. 2 a-2e are the structural representations of valving according to another embodiment of the invention；
Fig. 2 a are the stereograms of valving；
Fig. 2 b are the profiles under the receiving case assembly and one piston component released state of valving；
Fig. 2 c are that one piston component extend into the original state schematic diagram for accommodating case assembly；
Fig. 2 d are that one piston component extend into the valve conducting state schematic diagram for accommodating case assembly；
Fig. 2 e are that one piston component extracts the valve-closed state schematic diagram for accommodating case assembly.
Reference
11 accommodate case assembly
111 box bodys
1111 accommodating chambers
112 receive cylinder
113 receive cylinder piston
1131 receive cylinder piston head
1132 inlets
114 receive cylinder compression spring
115 receive cylinder piston head rubber ring
116 receive cylinder piston bottom rubber ring
12 one piston components
121 outer tubes
1211 positioning steps
122 inner tubes
1221 one piston heads
1222 liquid injection ports
1223 stretch out muscle
1224 arc openings
1225 perforates
123 sleeves
1231 slip steps
124 one piston compression springs
125 collet head rubber rings
126 sleeve tail rubber rings
127 one piston head rubber rings
21 accommodate case assembly
211 box bodys
212 receive cylinder
2111 accommodating chambers
2122 steps
2121 inlets
217 upset lids
218 torsion springs
219 upset lid rubber rings
22 one piston components
221 outer tubes
2211 positioning steps
222 inner tubes
2221 one piston heads
2222 liquid injection ports
223 sleeves
2231 slip steps
2232 limited steps
2223 stretch out muscle
224 one piston compression springs
225 collet head rubber rings
226 sleeve tail rubber rings
227 one piston head rubber rings
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this
Bright a part of embodiment, rather than the embodiment of whole.Based on described embodiments of the invention, ordinary skill
The every other embodiment that personnel are obtained on the premise of without the need for creative work, belongs to the scope of protection of the invention.
Unless otherwise defined, technical term used herein or scientific terminology should be in art of the present invention and have
The ordinary meaning that the personage of general technical ability is understood.Used in present patent application specification and claims " the
One ", " second " and similar word are not offered as any order, quantity or importance, and are used only to distinguish different
Part.Equally, the similar word such as " one " or " " does not indicate that quantity is limited yet, but represents and have at least one.
The invention provides material fast conducting valving, in conducting and liquid can be prevented after extracting
Seepage, and the residual liquid in conducting " passage " can be reclaimed.Embodiments in accordance with the present invention, the material for being supplied can be washed
The solidliquid mixture matter such as the liquid such as clothing liquid, or washing powder and laundry liquid.
Fig. 1 is the structural representation of valving according to an embodiment of the invention, wherein, Fig. 1 a are valvings
Stereogram.As shown in Figure 1a, the valving is mainly combined by two parts, Part I be mounted in washing machine or other
Need liquid feed equipment receiving case assembly 11, Part II be with accommodate case assembly 11 it is detached, can be to accommodating case
The one piston component 12 of interior injection liquid.Alternatively, accommodate case assembly 11 and one piston component 12 can for one or
It is multiple.
Fig. 1 b are the profiles under the receiving case assembly 11 and the released state of one piston component 12 of valving.Such as Fig. 1 b
It is shown, wherein, accommodating case assembly 11 includes：Box body 111, receives cylinder 112, receives cylinder piston 113, receives cylinder compression spring 114,
Cylinder piston head rubber ring 115 is received, cylinder piston bottom rubber ring 116 is received.One piston component 12 includes：Outer tube 121, inner tube
122, sleeve 123, one piston compression spring 124, collet head rubber ring 125, sleeve tail rubber ring 126, one piston head rubber
Cushion rubber 127.
Referring to the left end of Fig. 1 b, the box body 111 of the receiving case assembly 11 includes an accommodating chamber 1111, for accommodating note
The liquid for entering；Alternatively, cylinder piston 113 is received to be connected with cylinder 112 is received by the mode such as riveting, welding or be spirally connected, receiving cylinder
Piston 113 is predominantly located in wall inner portion, receives the bottom of cylinder piston 113 by receiving cylinder piston bottom rubber ring 116 and barrel
It is brought into close contact, realizes sealing；The receiving cylinder piston 113 can include a piston head 1131, and open up on piston wall
Inlet 1132, liquid can flow into the accommodating chamber 1111 of box body 111 from the inlet 1132；The bottom of receiving cylinder piston 113
Arrange into a ladder, alternatively, at least including a step, for engaging with one piston component 12.It is shown in Figure 1b
When valving is in nonconducting state, under the tension force effect for receiving cylinder compression spring 114, cylinder piston 113 is received to be fixed
Receiving in cylinder 112, now, the receiving cylinder piston head rubber ring 115 that the periphery of piston head 1131 is arranged is with box body 111 near receiving
The inwall of the position of cylinder 112 is presented fit-state, optional so as to realizing box body 111 and receiving sealing stronger between cylinder 112
Ground, it would however also be possible to employ other sealing means, such as pad, band etc..
Referring to the right-hand member of Fig. 1 b, the bottom (low order end) of above-mentioned one piston component 12 has perforate, can pass through screw thread
Or other modes are connected to other containers, to pour into the liquid of needs.One piston component 12 includes one and flows through for liquid
Pipeline, and the liquid outlet of pipeline is recovered to into its internal response agency.Response agency generally realized by elastomeric element,
Can also be realized by magnetic part or motor drive mechanism.
Alternatively, pipeline can be socketed to form by two pipes, i.e. inner tube 122 and outer tube 121, inner tube 122 and outer tube 121 1
Body formed, in the bottom end face of one piston component 12, above-mentioned inner tube 122 links into an integrated entity with outer tube 121.Alternatively, outer tube
121 include positioning step 1211 of the external diameter more than above-mentioned receiving cylinder 112, and for limiting one piston component 12 accommodating case is extend into
The length of component 11；The front end of inner tube 122 includes：One piston head 1221, and the liquid injection port 1222 opened up on inner tubal wall,
Liquid can flow out from the liquid injection port 1222, and alternatively, one piston head rubber ring 127 is arranged on one piston head 1221,
For strengthening the sealing between inner tube 122 and sleeve 123, it is of course also possible to use other encapsulants, for example, foam, modeling
Material etc.；The sleeve 123 includes one or more slip steps 1231 near one end of one piston head 1221, certainly, also may be used
With including other buckle structures such as groove, projection, snap rings, for carrying out buckle, collet head rubber with accommodating when case assembly 11 is connected
Cushion rubber 125 can be arranged on the front end of the slip step 1231 or step.Sleeve tail rubber ring 126 can be arranged on sleeve
Between 123 and outer tube 122, for sealing therebetween.
Alternatively, in the front end of sleeve 123, it is provided with limited step or is similar to and stretch out muscle, for limiting one piston pressure
The activity interval of contracting spring 124；Alternatively, the limited step or stretch out muscle and can also be arranged on the outer wall of inner tube 122, be used for
Limit the activity interval of one piston compression spring 124.One piston compression spring 124 can be limited in above-mentioned limited step
And the coupling part of above-mentioned inner tube 122 and outer tube 121 between；As needed, can be with spacing in the front end of sleeve 123 and inner tube
122 stretch out between muscle.Alternatively, according to the length of the components such as the size and sleeve of elastomeric element, can in sleeve 123 or
Multiple positions such as person's inner tube 122 arrange limited step to limit the scope of activities of elastomeric element.
Fig. 1 c are that one piston component 12 is inserted into the receiving original state profile of case assembly 11.Referring to Fig. 1 c, one is living
Plug assembly 12 is stretched in the external force by horizontal forward direction (being horizontal left direction in figure) from receiving cylinder 112 rear end, and
To receiving the front end of cylinder 112 to slide, when the slip step 1231 of the sleeve 123 of one piston component 12 touches receiving cylinder piston
During the step of 113 bottom interior walls, the slip step 1231 of soft material can with the step for receiving the inwall of cylinder piston 113 near
Receive cylinder piston bottom rubber ring 116 to be close to or produce deformation and continue forward slip, now, collet head rubber ring 125 with receive
Cylinder piston bottom rubber ring 116 is combined closely, and be increased sleeve 123 and is received the sealing between cylinder 112.
Fig. 1 d are that one piston component 12 is inserted into the receiving intermediateness profile of case assembly 11.Fig. 1 e are one piston groups
Part 12 is inserted into the receiving end-state profile of case assembly 11.
Referring to Fig. 1 d and Fig. 1 e, one piston component 12 continues to slide to the inside of receiving cylinder 112, when sleeve 123 and receiving
After the step contact of the inwall bottom of cylinder piston 113, the slip step 1231 of the front end of sleeve 123 props up the bottom of receiving cylinder piston 113
The step in portion, in the case where the drag effect of step of the bottom of cylinder piston 113 is received, sleeve 123 cannot be relative to receiving cylinder piston 113
Travel forward (but can travel forward together with cylinder piston 113 is received)；Due to act on the level of one piston component 12 to
The continuous action of front external force, the outer tube 121 and inner tube 122 of one piston component 12 relative to sleeve 123 forward (in figure to the left
To) mobile, in moving process, the front end of sleeve 123 promotes one piston compression spring 124 to shrink, until one piston group
Positioning step 1211 on the outer tube 121 of part 12 is contacted with the barrel for receiving cylinder 112 and cannot continued to move along.Sleeve 123
Relative to the operation backward and the contraction of one piston compression spring 124 of inner tube 122, the liquid injection port opened up in inner tube 122 is made
1222 stretch out the sleeve 123, and now, liquid can flow out from liquid injection port.
At the same time, after the slip step 1231 of the front end of sleeve 123 props up the step for receiving the bottom of cylinder piston 113,
Under the continuous disturbances effect of horizontal direction forward, sleeve 123 and one piston head 1221 are promoted and receive cylinder piston 113 together
Travel forward, referring to Fig. 1 e, the motive force shrinks receiving cylinder compression spring 114, receive cylinder piston head 1131 by one piston
1221 back down, and now, receive the inlet 1332 opened up on cylinder piston wall to extend in the accommodating chamber 1111 of box body 111, connect
Receive and passage is formed between a piston 113 and one piston component 12, the liquid injection port opened up in the inner tube 122 of one piston component 12
1222 sides docked along one piston component 12 and receiving cylinder piston 113 with the inlet 1132 opened up on receiving cylinder piston 113
Match completely or occur simultaneously to (horizontal direction in figure), so as to liquid can be from liquid injection port 1222 through above-mentioned inlet
1132 are flowed in the accommodating chamber 1111 of box body 111, realize the conducting of valving.
After the completion of liquid injection, in order to one piston component 12 is extracted into the receiving case assembly 11, one piston group
Part 12 is subject to horizontal external backward.Now, when horizontal external forward fades away and becomes horizontal external backward,
Under receiving the tension force that cylinder compression spring 114 stretches, and under the drive backward of sleeve 123, and on slip step 1231
Collet head rubber ring 125 and the frictional force for receiving cylinder piston bottom rubber ring 116 in the presence of, receive cylinder piston 113 to return to
Position originally, what the periphery of piston head 1131 was arranged receives cylinder piston head rubber ring 115 that patch is presented again with the inwall of box body 111
Conjunction state, realizes receiving the sealing between cylinder 112 and box body 111.Alternatively, one piston component 12 is subject to forward or backward
Horizontal external can be produced by motor.
Meanwhile, in the presence of cylinder compression spring 114 is received and level is backward under external force effect, one piston head 1221
Move backward, with the disappearance of the resistance of the step for receiving the bottom of cylinder piston 113, one piston compression spring 124 starts to stretch,
Under the elastic force effect of one piston compression spring 124, outer tube 121 and inner tube of the sleeve 123 relative to one piston component 12
122 move forward, and until sleeve 123 covers on inner tube 122 inside it, also, one piston head rubber ring 127 is fitted in sleeve
On the collet head rubber ring 125 of 123 front end faces.Afterwards, the ability of slip step 1231 of the front end of sleeve 123 and receiving cylinder piston 113
The step of bottom departs from, and collet head sealing ring 125 is separated with cylinder piston bottom sealing ring 116 is received.
During above-mentioned one piston component 12 is pulled out, the appearance of the passage between liquid injection port 1222 and inlet 1332
Product is being gradually reduced, but sealing passage of valve when turning on still is present, i.e. in one piston component 12 without departing from receiving cylinder
Before 112, collet head rubber ring 125 is still within intimate-association state with cylinder piston tail part rubber ring 116 is received, until one is living
Plug assembly 12 is completely pulled out of, and liquid injection port 1222 is returned to inside sleeve 123, and one piston head rubber ring 127 is fitted in set
123 front end faces of cylinder, now, liquid is pushed back to one piston component 12.Thus, it is ensured that liquid to be fully retrieved to one living
After the inside of plug assembly 12, just with accommodate case assembly 11 and completely disengage from, it is to avoid retain liquid and produce in receiving case assembly 11
The phenomenon of leakage.Also, the presence of sleeve tail rubber ring 126, makes to be constantly in sealing state between sleeve 123 and outer tube 121, i.e.,
Make sleeve 123 when stretching into and extracting receiving case assembly 11, carried out motion posteriorly or anteriorly, also do not result in liquid flow
Go out the outside of one piston component 12.
Alternatively, as it was previously stated, on the tube wall outer wall of inner tube 122 of one piston component 12, can arrange and stretch out muscle
1223, this stretches out muscle 1223 for limiting the position of compression spring, and for spring a support is provided, and reduces the length of spring, drop
Low cost, as shown in Figure 1 f.
Further optionally, can in the connecting portion office between the inner tube 122 of one piston component 12 and outer tube 121, if
Arc opening 1224 is put, or, referring to Fig. 1 g, one or more perforates 1225, such design are set in the bottom of sleeve 123
The outflow area of liquid can be increased and prevent from forming vacuum and negative pressure, it is to avoid cause having some setbacks for sleeve motion.
On the basis of previous embodiment, in order to further strengthen accommodating the sealing of case assembly, liquid is prevented from receiving
Case assembly spills, and can also as follows be improved accommodating case assembly.
Fig. 2 is the structural representation of valving in accordance with another embodiment of the present invention, wherein, Fig. 2 a are valvings
Stereogram.As shown in Figure 2 a, the valving is mainly combined by two parts, Part I be mounted in washing machine or its
He need liquid feed equipment receiving case assembly 21, Part II be with accommodate case assembly 21 it is detached, can be to receiving
The one piston component 22 of injection liquid in box.It can be one or more to accommodate case assembly 21 and one piston component 22.
Alternatively, embodiments in accordance with the present invention, the material for being supplied can be the liquid such as liquid detergent, or laundry
The solidliquid mixture matter such as powder and laundry liquid.
Fig. 2 b are the profiles under the receiving case assembly 21 and the released state of one piston component 22 of valving.Fig. 2 c are
One piston component extend into the original state schematic diagram for accommodating case assembly；Fig. 2 d are that one piston component extend into accommodating case group
The valve conducting state schematic diagram of part；Fig. 2 e are that one piston component extracts the valve-closed state schematic diagram for accommodating case assembly.
Referring to Fig. 2 b, wherein, one piston component 22 includes：Outer tube 221, inner tube 222, sleeve 223, the compression of one piston
Spring 224, collet head rubber ring 225, sleeve tail rubber ring 226, one piston head rubber ring 227.Accommodating case assembly 21 includes：
Box body 211, receives cylinder 212, overturns lid 217, torsion spring 218, upset lid rubber ring 219.
Referring to the left end of Fig. 2 b, the box body 211 of the receiving case assembly 21 includes an accommodating chamber 2111, for accommodating note
The liquid for entering；The afterbody inwall of cylinder 212 or middle part inwall is received to be provided with step 2122, it is close for engaging with one piston component 22
Envelope, it is of course also possible to use other sealing means, for example, using flexible barrier material, arrange pad etc..Receive cylinder 212 with
The boundary of box body 211 is provided with inlet 2121, and liquid can flow into the accommodating chamber 2111 of box body 211 from the inlet 2121；
Upset lid 217 be turned on and off can make the inlet 2121 in open or sealing state, overturn lid 217 periphery be provided with
Upset lid rubber ring 219 or other black boies that encapsulant makes, thus, in the closed state, overturn lid 217 and box body
211 inwalls near the position for receiving cylinder 212 are presented fit-state, so as to realizing box body 211 and receiving stronger between cylinder 212
Sealing.Upset lid 217 be turned on and off by be arranged on the bottom of box body 211 can return mechanism, for example, torsion spring 218
Realize.
Referring to the right-hand member of Fig. 2 b, identical with the one piston component 12 in previous embodiment, one piston component 22 includes
One pipeline for flowing through for liquid, and the liquid outlet of pipeline is recovered to into the response agency inside the one piston component 22.
Response agency is generally realized by elastomeric element, it is also possible to realized by magnetic part or motor drive mechanism.Can
Selection of land, pipeline can be socketed to form by two pipes.The bottom (low order end) of one piston component 22 has perforate, can pass through spiral shell
Line or other modes are connected to other containers, to pour into the liquid of needs.The inner tube 222 of one piston component 22 and outer tube 221
It is integrally formed, alternatively, in the bottom end face of one piston component 22, above-mentioned inner tube 222 links into an integrated entity with outer tube 221.Can
Selection of land, outer tube 221 includes positioning step 2211 of the external diameter more than above-mentioned receiving cylinder 212, stretches for limiting one piston component 22
Enter to the length for accommodating case assembly 21；The front end of inner tube 222 includes：One piston head 2221, and open up on inner tubal wall
Liquid injection port 2222, liquid can flow out from the liquid injection port 2222, black box, and for example, one piston head rubber ring 227 is arranged on
On one piston head 2221, for strengthening the sealing between inner tube 222 and sleeve 223；The sleeve 223 is near one piston
2221 one end includes one or more slip steps 2231, for carrying out buckle with accommodating when case assembly 21 is connected, certainly,
Other buckle structures can also be adopted, for example, groove, bulge-structure etc.；Alternatively, collet head rubber ring 225 can be arranged on
On the front end of the slip step 2231 or step, sleeve 223 is covered on outside inner tube 222 under the effect of one piston compression spring 224
Portion, the collet head rubber ring 225 of the front end of sleeve 223 keeps fit-state with one piston head rubber ring 227, with stronger close
Feng Xing.Sleeve tail rubber ring 226 can be arranged between sleeve 223 and outer tube 222, for sealing therebetween.
Similarly, according to the length of the components such as the size and sleeve of elastomeric element, can be in sleeve 223 or inner tube
Multiple positions such as 222 arrange limited step to limit the scope of activities of elastomeric element.One piston compression spring 224 can be limited
Position, can be with spacing in a limited step and above-mentioned inner tube 222 and outer tube between two limited steps of inner tube 222
Between 221 coupling part；As needed, can be with spacing between the limited step of the front end of sleeve pipe 223 and inner tube 222.
Referring to Fig. 2 c, one piston component 22 is in the external force by horizontal forward direction (being horizontal left direction in figure)
When, stretch into from receiving cylinder 212 rear end, and slide to the front end for receiving cylinder 212, when the cunning of the sleeve 223 of one piston component 22
When dynamic step 2231 touches the step 2122 for receiving the inwall of cylinder 212, the slip step 2231 of soft material can be with step
2122 are close to or produce deformation and continue forward slip, and then, collet head rubber ring 225 is combined closely with step 2122, increase
Sleeve 223 and receive the sealing between cylinder 212.
Referring to Fig. 2 d, one piston component 22 continues to slide to the inside of receiving cylinder 212, when sleeve 223 and receiving cylinder step
After 2122 contacts, the slip step 2231 of the front end of sleeve 223 props up receiving cylinder step 2122, in the resistance for receiving cylinder step 2122
Under effect, sleeve 223 is no longer relative to receiving cylinder 212 to move, and the outer tube 221 and inner tube 222 of one piston component 22 is then relative
(it is forward horizontal left direction in figure) in sleeve 223 mobile, so as to compress one piston compression spring 224, until one is lived
Positioning step 2211 on the outer tube 221 of plug assembly 22 is contacted with the barrel for receiving cylinder 212 and cannot continued to move along.Sleeve
223 relative to inner tube 222 motion backward, make the liquid injection port 2222 opened up in inner tube 222 stretch out sleeve 223, now, liquid can
To flow out from liquid injection port 2222.
At the same time, after the slip step 2231 of the front end of sleeve 223 props up receiving cylinder step 2122, in level forward
Under the continuous disturbances effect in direction, one piston head 2221 moves forward, and upset lid 217 is backed down, and upset lid 217 exists
Under horizontal forward thrust, rotate counterclockwise opens inlet 2121, realizes the conducting of valving, and liquid can be from one
The liquid injection port 2222 opened up in the inner tube 222 of body piston component 22 is injected into the accommodating chamber in box body 211 by inlet 2121
2111.Alternatively, as illustrated, a part for liquid injection port 2222 is extend in accommodating chamber 2111.Now, collet head rubber ring
225 are in intimate-association state with step 2122, it is ensured that liquid will not spill from receiving cylinder 212 when valve is turned on.
Referring to Fig. 2 e, after the completion of liquid injection, in order to one piston component 22 extracted into the receiving case assembly 21, one
Body piston component 22 is subject to horizontal external backward, one piston head to run backward, under the elastic force effect of torsion spring 218, brick turning
Lid 217 turns clockwise, and inlet 2121 is covered, and realizes the closing of valve.The upset lid rubber ring of the upset periphery of lid 217
219 are presented again fit-state with the inwall of box body 211, realize receiving the sealing between cylinder 212 and box body 211.
Meanwhile, under level backward external force effect, one piston head 2221 is moved backward, with receiving cylinder step 2122
The disappearance of resistance, one piston compression spring 224 starts to stretch, under the elastic force effect of one piston compression spring 224, sleeve
223 move forward relative to the outer tube 221 and inner tube 222 of one piston component 22, until inner tube 222 is covered on it by sleeve 223
Inside, also, one piston head rubber ring 227 is fitted on the collet head rubber ring 225 of the front end face of sleeve 223.Afterwards, sleeve
The ability of slip step 2231 of 223 front ends departs from cylinder step 2122 is received.
During above-mentioned one piston component 22 is pulled out, the appearance of the passage between liquid injection port 2222 and inlet 2121
Product is being gradually reduced, but sealing passage of valve when turning on still is present, i.e. in one piston component 22 without departing from receiving cylinder
Before 212, collet head rubber ring 225 is still within intimate-association state with cylinder step 2122 is received, until one piston component
22 are completely pulled out of, and liquid injection port 2222 is returned to inside sleeve 223, and one piston head rubber ring 227 is fitted in before sleeve 223
End face, now, liquid is pushed back to one piston component 22, thus, it is ensured that liquid is fully retrieved to one piston component
After 22 inside, just with accommodate case assembly 21 and completely disengage from, it is to avoid retain liquid in receiving case assembly 21 and produce leakage and show
As.Also, the presence of sleeve tail rubber ring 226, makes to be constantly in sealing state between sleeve 223 and outer tube 221, even if sleeve
223, when stretching into and extracting receiving case assembly 21, have carried out motion posteriorly or anteriorly, also do not result in liquid and flow out one
The outside of piston component 22.
Alternatively, on the tube wall outer wall of inner tube 222 of one piston component 22, can arrange and stretch out muscle 2223, this stretches out
Muscle 2223 is used to limiting the position of compression spring, one piston compression spring 224 be limited in above-mentioned inner tube stretch out muscle 2223 with
And between the coupling part of inner and outer pipes bottom, stretch out muscle 2223 for spring and one support is provided, reduce the length of spring, reduce into
This；Further optionally, arc can be set in the connecting portion office between the inner tube 122 of one piston component 12 and outer tube 121
Shape opening；Or perforate is set in the bottom of sleeve 123, such design can increase the outflow area of liquid and prevent shape
Into vacuum and negative pressure, it is to avoid cause having some setbacks for sleeve motion.
The above is only the exemplary embodiment of the present invention, not for limiting the scope of the invention, this
Bright protection domain is determined by appended claim.
Claims (18)
1. a kind of liquid feeding valving, it is characterised in that include：At least one receiving case assembly (11,21) and at least
One with the receiving case assembly (11,21) detached one piston component (12,22)；
The one piston component (12,22) for stretch into the receiving case assembly (11,21) and to its feed fluid；
The one piston component (12,22) include：Liquid injection port (1222,2222) and response agency (123,124,223,224),
The response agency (123,124,223,224) be used for, the one piston component (12,22) with the accommodating case group
Part (11, before 21) departing from, will stretch out the one piston component (12, the liquid injection port 22) (1222,2222) be recovered to institute
State one piston component (12,22) in；
The one piston component (12,22) include：One piston (121,122,221,222), sleeve (123,223) with first
Elastomeric element (124,224), inner tube (122,222), outer tube (121,221),
The liquid injection port (1222,2222) be arranged at the one piston (121,122,221,222),
The sleeve (123,223) positioned at said inner tube (122,222) with outer tube (121,221) between,
The sleeve (123,223) first elastomeric element (124,224) in the presence of, can live relative to the one
Plug (121,122,221,222) slide, by the one piston (121,122,221, the liquid injection port 222) (1222,
2222) be recovered to the one piston component (12,22) in.
2. valving according to claim 1, it is characterised in that and the liquid injection port (1222,2222) positioned at described interior
Pipe (122,222), first elastomeric element (124) by the sleeve (123,223) and said inner tube (122, it is 222) spacing,
The sleeve (123,223) first elastomeric element (124,224) in the presence of, relative to said inner tube (122,222)
And the outer tube (121,221) said inner tube (122,222) and the outer tube (121,221) between clip slot in slide,
By said inner tube (122, the liquid injection port 222) (1222,2222) be recovered to the one piston component (12,22) in.
3. valving according to claim 1, it is characterised in that and the one piston component (12,22) also include：The
One seal member (126,226), first seal member (126,226) positioned at the sleeve (123,223) with the one
Piston (121,122,221,222) between, for the sleeve (123,223) with the one piston (121,122,221,
222) sealing between.
4. valving according to claim 1, it is characterised in that and the one piston component (12,22) also include：The
Two seal members (127,227), second seal member (127,227) positioned at the one piston (121,122,221,
222) front end, for when the sleeve (123,223) by the liquid injection port (1222,2222) be recovered to the one piston group
Part (12,22) in when, to the one piston component (12,22) sealed.
5. valving according to claim 2, it is characterised in that and said inner tube (122,222) it is provided with and stretches out muscle
(1223,2223), for limit first elastomeric element (124, scope of activities 224).
6. valving according to claim 2, it is characterised in that and the outer tube (121,221) it is provided with positioning step
(1211,2211), for limit the one piston component (12,11) extend into it is described receiving case assembly (11,21) in length
Degree.
7. valving according to claim 2, it is characterised in that and the sleeve (123,223) living with the one
Plug (121,122,221) vertical front end face be provided with perforate.
8. valving according to claim 2, it is characterised in that the outer tube (121,221) with said inner tube (122,
222) bottom links into an integrated entity, and the end face in the bottom is provided with perforate.
9. according to claim 1-6,8 arbitrary described valvings, it is characterised in that and the one piston component (12,22)
Bottom be provided with perforate, for being connected to feed the liquid with external module.
10. valving according to claim 7, it is characterised in that (12, bottom 22) sets the one piston component
There is perforate, for being connected to feed the liquid with external module.
11. valvings according to claim 1, it is characterised in that the receiving case assembly (11) includes：Inlet
(1332) and inlet valve, the inlet valve includes the 3rd black box (116), for the inlet
(1332) sealed.
12. valvings according to claim 11, it is characterised in that the inlet valve includes second piston
(113), the second piston (113) is turned on and off the inlet in the presence of the one piston component (12)
(1332)。
13. valvings according to claim 12, it is characterised in that the inlet valve includes the second elastomeric element
(114), in the presence of the one piston component (12), second elastomeric element (114) is compressed or is stretched, and drives described
Second piston (113) is correspondingly turned on and off the inlet (1332).
14. valvings according to claim 11, it is characterised in that the inlet valve includes upset lid (217),
Upset lid (217) is turned on and off the inlet (2332) in the presence of the one piston component (22).
15. valvings according to claim 14, it is characterised in that the inlet valve includes the 3rd elastomeric element
(218), in the presence of the one piston component (22), the 3rd elastomeric element (218) drives upset lid (217)
Rotation, is turned on and off the inlet (2332).
16. valvings according to claim 1, it is characterised in that and the receiving case assembly (11,21) with described one
(12, connecting portion 22) is provided with hierarchic structure to body piston component, and (12, front end 22) is correspondingly for the one piston component
Be provided with slip step (1231,2231), when the one piston component (12,22) extend into it is described receiving case assembly (11,21)
When, the slip step (1231,2231) engage with the hierarchic structure, and stop the one piston component (12,22) phase
For it is described receiving case assembly (11,21) move.
17. valvings according to claim 16, it is characterised in that and the response agency (123,124,223,224)
Including, sleeve (123,223), the first elastomeric element (124,224), when the one piston component (12,22) by external force from institute
State receiving case assembly (11, when 21) extracting, the slip step (1231,2231) the external force effect under with the ladder
Before structure is separated, the sleeve (123,223) first elastomeric element (124,224) in the presence of, by the fluid injection
Mouthful (1222,2222) be recovered to the one piston component (12,22) in.
18. valvings according to claim 16, it is characterised in that and the slip step (1231,2231) it is provided with
3rd seal member (125,225), when the slip step (1231, when 2231) engaging with the hierarchic structure, the described 3rd
Seal member (125,225) it is brought into close contact with the hierarchic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410438575.1A CN104180054B (en) | 2014-08-29 | 2014-08-29 | Liquid feeding valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410438575.1A CN104180054B (en) | 2014-08-29 | 2014-08-29 | Liquid feeding valve device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104180054A CN104180054A (en) | 2014-12-03 |
| CN104180054B true CN104180054B (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410438575.1A Active CN104180054B (en) | 2014-08-29 | 2014-08-29 | Liquid feeding valve device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108221287B (en) * | 2016-12-15 | 2020-12-29 | 上海小吉互联网科技有限公司 | Device for preparing washing additive |
| CN110578940A (en) * | 2018-06-11 | 2019-12-17 | 杭州老板电器股份有限公司 | Range hood and electromagnetic range integrated machine |
| CN117063696B (en) * | 2023-10-12 | 2023-12-08 | 长春师范大学 | Water and fertilizer integrated intelligent irrigation device for actinidia arguta |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6301734B1 (en) * | 2000-01-28 | 2001-10-16 | Maytag Corporation | Bulk dispensing agitator and method for using same |
| DE102005038727A1 (en) * | 2005-08-15 | 2007-02-22 | Miele & Cie. Kg | Washing machine with detergent and detergent drawer with the closing or opening movement supporting means |
| KR101290374B1 (en) * | 2006-12-14 | 2013-07-26 | 엘지전자 주식회사 | Drawer assembly |
| GB0909363D0 (en) * | 2009-06-01 | 2009-07-15 | Reckitt Benckiser Nv | Detergent dispensing device |
| CN203176373U (en) * | 2013-03-21 | 2013-09-04 | 南京中竞科电子科技有限公司 | Valve device |
| CN203755038U (en) * | 2014-02-24 | 2014-08-06 | 无锡小天鹅股份有限公司 | Valve component for washing machine |
| CN204114307U (en) * | 2014-08-29 | 2015-01-21 | 常州乐士雷利电机有限公司 | Liquid feeding valving |
| CN204164472U (en) * | 2014-08-29 | 2015-02-18 | 常州乐士雷利电机有限公司 | Liquid feeding valving |
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Address after: Wujin District 213011 of Jiangsu Province, Changzhou City Yaoguan Tong Road No. 19 Applicant after: JIANGSU LEILI MOTOR Co.,Ltd. Address before: Wujin District 213011 of Jiangsu Province, Changzhou City Yaoguan Tong Road No. 19 Applicant before: Changzhou Leshi Leili Motor Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Liquid feeding valve device Granted publication date: 20170426 Pledgee: Zijin Trust Co.,Ltd. Pledgor: JIANGSU LEILI MOTOR Co.,Ltd. Registration number: Y2024980002860 |