CN111981178A - No-residue three-way valve structure - Google Patents
No-residue three-way valve structure Download PDFInfo
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- CN111981178A CN111981178A CN201910428845.3A CN201910428845A CN111981178A CN 111981178 A CN111981178 A CN 111981178A CN 201910428845 A CN201910428845 A CN 201910428845A CN 111981178 A CN111981178 A CN 111981178A
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- Prior art keywords
- ball
- way valve
- port
- quick
- connector
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- Granted
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- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000005406 washing Methods 0.000 claims description 24
- 210000004907 gland Anatomy 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims 15
- 239000007769 metal material Substances 0.000 claims 1
- 238000005108 dry cleaning Methods 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Images
Classifications
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
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- 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
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
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- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/087—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug
- F16K11/0873—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug the plug being only rotatable around one spindle
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Multiple-Way Valves (AREA)
- Taps Or Cocks (AREA)
Abstract
In order to solve the problem that the liquid is not completely discharged by the current T-shaped three-way valve, so that the residual liquid is always remained in the T-shaped three-way valve, the invention provides a residual-free three-way valve structure, which comprises the following components: the three-way valve 66 is provided with a first port 661, a second port 662 and a third port 663, the first port 661 is arranged right above the outer shell of the three-way valve, the second port 662 and the third port 663 are both arranged on the outer shell of the three-way valve, the second port 662 is arranged at the lower left of the first port 661, and the third port 663 is arranged at the lower right of the first port 661; the inside of no residue three-way valve 66 is equipped with ball 665, and ball 665 can rotate on vertical plane, and ball 665 is inside to be equipped with first through-hole 6651 and second through-hole 6652, its characterized in that: the included angles between the second port 662 and the third port 663 and the first port 661 are respectively 120 °, and the included angles between the first through hole 6651 and the second through hole 6652 are also 120 °.
Description
Technical Field
The invention belongs to the field of washing machines, and particularly relates to a residue-free three-way valve structure suitable for a dry-cleaning and water-washing mixed washing machine.
Background
For some clothes which are made of special materials and are not suitable for water washing and can only be dry-cleaned, the conventional method is to send the clothes to a dry cleaning store for dry cleaning, because no household type dry cleaning machine exists at present. At present, the core reason why no household type dry cleaning machine has been developed is because: if the existing dry-cleaning function is integrated into the existing water-washing machine and only one working drum is used, the problem of residual dry-cleaning liquid or residual water when dry-cleaning and water-washing are switched must be overcome, because once the dry-cleaning liquid and water are mixed, the water-washing fails, the dry-cleaning liquid fails, and the surface of the clothes is polluted. However, how to discharge the sewage after the water washing is finished does not interfere the next dry cleaning process; and the dry cleaning liquid after the dry cleaning is finished is discharged, and the next water washing process is not influenced, which always troubles the industry. In general, in view of draining liquid, it is considered that a mechanical structure is a three-way valve, but the existing three-way valve is a T-shaped three-way valve, and after the liquid flows down from the upper side, the liquid flows out through a channel with two vertical ends at the lower side, but when the liquid flows, because the T-shaped three-way valve is provided with two water outlet pipes or a water outlet pipe which is in a horizontal position, the liquid which is washed last time is always remained in the T-shaped three-way valve, so that the next washing is influenced. It is for this core reason that there is no domestic type washing machine which integrates dry washing and water washing into one body, which is not yet developed.
Disclosure of Invention
In view of this, in order to solve the problem that the T-shaped three-way valve cannot completely discharge liquid, which causes liquid residue in the T-shaped three-way valve, the present invention provides a structure of a residue-free three-way valve, which is the biggest difference from the conventional T-shaped three-way valve in that the through hole in the ball inside the three-way valve is not T-shaped, but two first through holes and two second through holes with an included angle of 120 ° are adopted, the first through hole and the second through hole can be fixed for 120 ° rotation along the vertical plane, the first interface is arranged right above the outside of the ball, the second interface with an included angle of 120 ° is arranged on the left side of the outside of the ball, the third interface with an included angle of 120 ° is arranged on the right side of the outside of the ball, the ball can perform rotational movement on the vertical plane, and the angle of each movement can be fixedly controlled to be 120 °. In general, the first through hole and the second through hole are respectively connected with the second port and the third port, so that liquid in the working barrel cannot flow out of the residue-free three-way valve; when the water in the cylinder needs to be discharged, the first through hole needs to be adjusted to be connected with the first interface, and the second through hole needs to be adjusted to be connected with the second interface, so that the water in the cylinder can be discharged out of the cylinder through the first through hole and then through the second through hole, and a three-way valve without residues is discharged; when the dry cleaning solution in the cylinder needs to be discharged, the first through hole needs to be adjusted to be connected with the third interface, and the second through hole is connected with the first interface, so that the dry cleaning solvent in the cylinder can be discharged out of the cylinder through the second through hole and then through the first through hole, and a three-way valve without residue is discharged.
A residue-free three-way valve structure, comprising: the three-way valve 66 is provided with a first port 661, a second port 662 and a third port 663, the first port 661 is arranged right above the outer shell of the three-way valve, the second port 662 and the third port 663 are both arranged on the outer shell of the three-way valve, the second port 662 is arranged at the lower left of the first port 661, and the third port 663 is arranged at the lower right of the first port 661; the inside of no residue three-way valve 66 is equipped with ball 665, and ball 665 can rotate on vertical plane, and ball 665 is inside to be equipped with first through-hole 6651 and second through-hole 6652, its characterized in that: the included angles between the second port 662 and the third port 663 and the first port 661 are respectively 120 °, and the included angles between the first through hole 6651 and the second through hole 6652 are also 120 °.
Further, the first port 661 is connected to the working cylinder of the washing machine, the second port 662 and the third port 663 are respectively connected to the drain pipe and the drain washing liquid pipe, or the second port 662 and the third port 663 are respectively connected to the drain washing liquid pipe and the drain pipe.
Further, first interface 661 and ball 665 are connected through first quick-fit joint 6611, first three-way valve quick-fit joint thread block 6612 and first ball valve seal ring 6613 and ball 665, wherein, the one end of first quick-fit joint 6611 carries out fixed connection with passing through the fastener of first interface 661, the other one end of first quick-fit joint 6611 is connected with the one end of first three-way valve quick-fit joint thread block 6612, the other one end of first three-way valve quick-fit joint thread block 6612 is fixed in the one end of first ball valve seal ring 6613 and is connected, the other one end of first ball valve seal ring 6613 adsorbs at the surface of ball 665, and just in time be located ball 665 directly over.
Further, the second port 662 and the spherical ball 665 are connected with the spherical ball 665 through a second quick coupler 6621, a second three-way valve quick coupler thread block 6622 and a second ball valve seal ring 6623, wherein one end of the second quick coupler 6621 is fixedly connected with the second port 662 through a fastener, the other end of the second quick coupler 6621 is connected with one end of the second three-way valve quick coupler thread block 6622, the other end of the second three-way valve quick coupler thread block 6622 is fixed at one end of the second ball valve seal ring 6623 and connected, the other end of the second ball valve seal ring 6623 is adsorbed on the outer surface of the spherical ball 665 and is just located at the lower left side of the spherical ball 665, and forms an included angle of 120 degrees with the first ball valve seal ring 6613.
Further, the third port 663 and the ball 665 are connected with the ball 665 through a third quick connector 6631, a third three-way valve quick connector thread block 6632 and a third ball valve seal ring 6633, wherein one end of the third quick connector 6631 is fixedly connected with the third port 663 through a fastener, the other end of the third quick connector 6631 is connected with one end of the third three-way valve quick connector thread block 6632, the other end of the third three-way valve quick connector thread block 6632 is fixed at one end of the third ball valve seal ring 6633 and is connected with the other end of the third ball valve seal ring 6633, the other end of the third ball valve seal ring 6633 is adsorbed on the outer surface of the ball 665 and is just below the right of the ball 665, and an included angle of 120 degrees is formed between the third port 663 and the first ball valve seal ring 6613.
Further, the first three-way valve quick-fit connector thread block 6612, the second three-way valve quick-fit connector thread block 6622, and the third three-way valve quick-fit connector thread block 6632 are all made of soft materials, such as rubber or silica gel.
Further, the first port 661 is connected to the first quick connector 6611, the second port 662 is connected to the second quick connector 6621, and the third port 663 is connected to the third quick connector 6631 by a clamp 666.
Further, a ball valve gland 664 is provided on the front surface of the spherical ball 665, and the ball valve gland 664 can hold the positions of the first ball seal 6613, the second ball seal 6623, and the third ball seal 6633 fixed.
Further, the three-way valve structure without residue further comprises a first direct current motor 67, a motor shaft of the first direct current motor 67 is connected with the center of the round ball 665, the motor shaft of the first direct current motor 67 can drive the round ball 665 to rotate on a vertical plane, and the rotating angle is set to be 120 degrees every time.
The working principle of the invention is as follows: the ball 665 is driven to rotate on a vertical plane by a motor shaft of the first direct current motor 67, and when the first through hole 6651 and the second through hole 6652 are not connected with the first connector 661, liquid in the working cylinder cannot be discharged through a three-way valve structure without residues; when the first through hole 6651 or the second through hole 6652 is connected with the first port 661, the second through hole 6652 is connected with the second port, or the first through hole is connected with the third port, the liquid in the working cylinder is discharged through the first through hole 6651 and then through the second through hole 6652, or through the second through hole 6652 and then through the first through hole 6652, respectively; by adopting the mode, the liquid in the working cylinder body can be discharged completely, no residue is left in the structure of the three-way valve, and the next washing can not be influenced. Therefore, the problem that the traditional T-shaped three-way valve cannot discharge clean liquid can be effectively solved by adopting the residue-free three-way valve structure.
Description of the drawings:
the embodiments are further described with reference to the accompanying drawings, in which:
fig. 1 is an external schematic view of a three-way valve structure with no residuals.
Fig. 2 is an external schematic view of a three-way valve structure with no residuals.
Fig. 3 is an external schematic view of a three-way valve structure with no residuals.
Fig. 4 is an internal schematic view of a three-way valve structure with no residuals.
Fig. 5 is a schematic view of the operation state of the ball in the first operation state.
Fig. 6 is a schematic view of the operation state of the ball in the second operation state.
Fig. 7 is a schematic view of the ball in a normal operating state.
The specific structure corresponding to the number is as follows:
the following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
Specific embodiment example 1:
FIG. 1 is an external schematic view of a three-way valve structure without residue; FIG. 2 is an external schematic view of a three-way valve structure without residuals; FIG. 3 is an external schematic view of a three-way valve structure without residuals; FIG. 4 is an internal schematic view of a three-way valve structure without residuals; as shown in fig. 5, it is a schematic view of the operation state of the ball in the first operation state; FIG. 6 is a schematic view of the ball in a second operating state; fig. 7 is a schematic view of the sphere in a normal operating state.
A residue-free three-way valve structure, comprising: the three-way valve 66 is provided with a first port 661, a second port 662 and a third port 663, the first port 661 is arranged right above the outer shell of the three-way valve, the second port 662 and the third port 663 are both arranged on the outer shell of the three-way valve, the second port 662 is arranged at the lower left of the first port 661, and the third port 663 is arranged at the lower right of the first port 661; the inside of no residue three-way valve 66 is equipped with ball 665, and ball 665 can rotate on vertical plane, and ball 665 is inside to be equipped with first through-hole 6651 and second through-hole 6652, its characterized in that: the included angles between the second port 662 and the third port 663 and the first port 661 are respectively 120 °, and the included angles between the first through hole 6651 and the second through hole 6652 are also 120 °.
The first port 661 is connected with the working cylinder of the washing machine, the second port 662 and the third port 663 are respectively connected with the drain pipe and the drain washing liquid pipe, or the second port 662 and the third port 663 are respectively connected with the drain washing liquid pipe and the drain pipe.
The second interface 662 and the ball 665 are connected with the ball 665 through a second quick coupler 6621, a second three-way valve quick coupler thread block 6622 and a second ball valve seal ring 6623, wherein one end of the second quick coupler 6621 is fixedly connected with the second interface 662 through a fastener, the other end of the second quick coupler 6621 is connected with one end of the second three-way valve quick coupler thread block 6622, the other end of the second three-way valve quick coupler thread block 6622 is fixed at one end of the second ball valve seal ring 6623 and connected, the other end of the second ball valve seal ring 6623 is adsorbed on the outer surface of the ball 665, and is just located below the left side of the ball 665, and forms an included angle of 120 degrees with the first ball valve seal ring 6613.
The third port 663 and the ball 665 are connected with the ball 665 through a third quick connector 6631, a third three-way valve quick connector thread block 6632 and a third ball valve seal ring 6633, wherein one end of the third quick connector 6631 is fixedly connected with the third port 663 through a fastener, the other end of the third quick connector 6631 is connected with one end of the third three-way valve quick connector thread block 6632, the other end of the third three-way valve quick connector thread block 6632 is fixed at one end of the third ball valve seal ring 6633 and is connected with the other end of the third three-way valve quick connector thread block 6633, the other end of the third ball valve seal ring 6633 is adsorbed on the outer surface of the ball 665 and is just below the right side of the ball 665, and forms an included angle of 120 degrees with the first ball valve seal ring 6613.
The first three-way valve quick coupler thread block 6612, the second three-way valve quick coupler thread block 6622, and the third three-way valve quick coupler thread block 6632 are all made of soft materials, such as rubber or silica gel.
The first connector 661 is connected with the first quick connector 6611, the second connector 662 is connected with the second quick connector 6621, and the fastening piece adopted when the third connector 663 is connected with the third quick connector 6631 is a clamp 666.
A ball valve gland 664 is provided on the front surface of the spherical ball 665, and the ball valve gland 664 can hold the positions of the first ball seal 6613, the second ball seal 6623, and the third ball seal 6633 fixed.
The residue-free three-way valve structure further comprises a first direct current motor 67, a motor shaft of the first direct current motor 67 is connected with the center of the round ball 665, the motor shaft of the first direct current motor 67 can drive the round ball 665 to rotate on a vertical plane, and the rotating angle is set to be 120 degrees every time.
The working principle of the invention is as follows: the ball 665 is driven to rotate on a vertical plane by a motor shaft of the first direct current motor 67, and when the first through hole 6651 and the second through hole 6652 are not connected with the first connector 661, liquid in the working cylinder cannot be discharged through a three-way valve structure without residues; when the first through hole 6651 or the second through hole 6652 is connected with the first port 661, the second through hole 6652 is connected with the second port, or the first through hole is connected with the third port, the liquid in the working cylinder is discharged through the first through hole 6651 and then through the second through hole 6652, or through the second through hole 6652 and then through the first through hole 6652, respectively; by adopting the mode, the liquid in the working cylinder body can be discharged completely, no residue is left in the structure of the three-way valve, and the next washing can not be influenced. Therefore, the problem that the traditional T-shaped three-way valve cannot discharge clean liquid can be effectively solved by adopting the residue-free three-way valve structure.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A residue-free three-way valve structure, comprising: the residual-free three-way valve (66) is provided with a first port (661), a second port (662) and a third port (663), the first port (661) is arranged right above a shell of the three-way valve, the second port (662) and the third port (663) are both arranged on the shell of the three-way valve, the second port (663) is positioned at the lower left of the first port (661), and the third port (663) is positioned at the lower right of the first port (661); the inside of no residue three-way valve (66) is equipped with ball (665), and ball (665) can rotate on vertical plane, and ball (665) inside is equipped with first through-hole (6651) and second through-hole (6652), its characterized in that: the included angles between the second interface (662) and the first interface (661) and between the third interface (663) and the first interface (661) are respectively 120 degrees, and the included angle between the first through hole (6651) and the second through hole (6652) is also 120 degrees.
2. A residue-free three-way valve structure according to claim 1, characterized in that: the first port (661) is connected with the working barrel of the washing machine, the second port (662) and the third port (663) are respectively connected with the drainage pipeline and the drainage and washing liquid pipeline, or the second port (662) and the third port (663) are respectively connected with the drainage and washing liquid pipeline and the drainage pipeline.
3. A residue-free three-way valve structure according to claim 1, characterized in that: first interface (661) and ball (665) are connected through first quick-assembling joint (6611), first three-way valve quick-assembling joint thread block (6612) and first ball valve sealing washer (6613) and ball (665), wherein, the one end of first quick-assembling joint (6611) and the passing through fastener of first interface (661) carry out fixed connection, the other one end of first quick-assembling joint (6611) is connected with the one end of first three-way valve quick-assembling joint thread block (6612), the other one end of first three-way valve quick-assembling joint thread block (6612) is fixed in the one end of first ball valve sealing washer (6613) and is connected, the other one end of first ball valve sealing washer (6613) adsorbs at the surface of ball (665), and just in time be located ball (665) directly over.
4. A residue-free three-way valve structure according to claim 1, characterized in that: the second connector (662) is connected with the ball (665) through a second quick connector (6621), a second three-way valve quick connector thread block (6622) and a second ball valve sealing ring (6623), wherein one end of the second quick connector (6621) is fixedly connected with the second connector (662) through a fastener, the other end of the second quick connector (6621) is connected with one end of the second three-way valve quick connector thread block (6622), the other end of the second three-way valve quick connector thread block (6622) is fixed at one end of the second ball valve sealing ring (6623) and is connected with the other end of the second ball valve sealing ring (6623), the other end of the second ball valve sealing ring (6623) is adsorbed on the outer surface of the ball (665), is just positioned at the left lower side of the ball (665), and forms an included angle of 120 degrees with the first ball valve sealing ring (6613).
5. A residue-free three-way valve structure according to claim 1, characterized in that: the third connector (663) and the ball (665) are connected with the ball (665) through a third quick connector (6631), a third three-way valve quick connector thread block (6632) and a third ball valve sealing ring (6633), wherein one end of the third quick connector (6631) is fixedly connected with the third connector (663) through a fastener, the other end of the third quick connector (6631) is connected with one end of the third three-way valve quick connector thread block (6632), the other end of the third three-way valve quick connector thread block (6632) is fixed at one end of the third ball valve sealing ring (6633) to be connected, the other end of the third ball valve sealing ring (6633) is adsorbed on the outer surface of the ball (665), is just below the right side of the ball (665), and forms an included angle of 120 degrees with the first ball valve sealing ring (6613).
6. A residue-free three-way valve structure according to any one of claims 3 to 5, characterized in that: the first three-way valve quick-assembly connector thread block (6612), the second three-way valve quick-assembly connector thread block (6622) and the third three-way valve quick-assembly connector thread block (6632) are all made of metal materials.
7. A residue-free three-way valve structure according to any one of claims 3 to 5, characterized in that: the first connector (661) is connected with the first quick connector (6611), the second connector (662) is connected with the second quick connector (6621), and when the third connector (663) is connected with the third quick connector (6631), a clamp (666) is adopted as a fastener.
8. A residue-free three-way valve structure according to claim 1, characterized in that: a ball valve gland (664) is arranged on the front surface of the round ball (665), and the ball valve gland (664) can keep the positions of the first ball valve sealing ring (6613), the second ball valve sealing ring (6623) and the third ball valve sealing ring (6633) fixed.
9. A residue-free three-way valve structure according to claim 1, characterized in that: the residue-free three-way valve structure further comprises a first direct current motor (67), a motor shaft of the first direct current motor (67) is connected with the center of the round ball (665), the motor shaft of the first direct current motor (67) can drive the round ball (665) to rotate on a vertical plane, and the rotating angle of each time is set to be 120 degrees.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428845.3A CN111981178B (en) | 2019-05-22 | 2019-05-22 | Residue-free three-way valve structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428845.3A CN111981178B (en) | 2019-05-22 | 2019-05-22 | Residue-free three-way valve structure |
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| CN111981178A true CN111981178A (en) | 2020-11-24 |
| CN111981178B CN111981178B (en) | 2024-05-14 |
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| CN211259803U (en) * | 2019-05-22 | 2020-08-14 | 苏州佳瓦智能科技有限公司 | No-residue three-way valve structure |
-
2019
- 2019-05-22 CN CN201910428845.3A patent/CN111981178B/en active Active
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|---|---|---|---|---|
| CN2034226U (en) * | 1987-12-31 | 1989-03-15 | 李幼成 | Three-way cock |
| CN101526146A (en) * | 2009-03-31 | 2009-09-09 | 何建彬 | Cock type three way valve |
| CN201764015U (en) * | 2010-09-19 | 2011-03-16 | 卓旦春 | Three-way valve |
| CN102537418A (en) * | 2011-12-14 | 2012-07-04 | 邯郸派瑞电器有限公司 | Fully-communicated four-way valve |
| CN203395276U (en) * | 2013-07-26 | 2014-01-15 | 浙江上工阀门有限公司 | Dual three-way ball valve |
| CN104455543A (en) * | 2013-09-16 | 2015-03-25 | 海尔集团公司 | Electrically-controlled tee valve and washer with same |
| CN211259803U (en) * | 2019-05-22 | 2020-08-14 | 苏州佳瓦智能科技有限公司 | No-residue three-way valve structure |
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