CN106224627B - A kind of drain valve automatically controlled - Google Patents
A kind of drain valve automatically controlled Download PDFInfo
- Publication number
- CN106224627B CN106224627B CN201610805306.3A CN201610805306A CN106224627B CN 106224627 B CN106224627 B CN 106224627B CN 201610805306 A CN201610805306 A CN 201610805306A CN 106224627 B CN106224627 B CN 106224627B
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- CN
- China
- Prior art keywords
- drain valve
- motor
- automatically controlled
- spring
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
-
- 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
-
- 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
- F16H—GEARING
- F16H35/00—Gearings or mechanisms with other special functional features
- F16H35/10—Arrangements or devices for absorbing overload or preventing damage by overload
-
- 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
-
- 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
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
- F16K31/048—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means with torque limiters
-
- 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
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
A kind of drain valve belongs to drain valve equipment technology field, relates generally to a kind of drain valve automatically controlled;The present invention includes screw rod leading screw, nut and the gear wheel being arranged successively from inside to outside; the gear wheel is equipped with radial direction and the installation groove of outward opening; it is equipped with sliding block, spring and spring block in installation groove successively from inside to outside, the sliding block, spring and spring block constitute overload protective device;The configuration of the present invention is simple is reliable, very convenient production, and reduces production cost.
Description
Technical field
A kind of drain valve belongs to drain valve equipment technology field, relates generally to a kind of drain valve automatically controlled.
Background technology
It needs at work in self-draining electric appliance, is equipped with controllable self-draining arrangement.By taking washing machine as an example,
During doing washing clothes, needs to close drainage arrangement, so that clothes is impregnated in water, pledge clothes after washing, it is necessary to the row of opening
Water installations are all discharged the water in cylinder.
Following problem exists in the prior art:
Existing drainer for washer, the general rotary motion using motor change straight line by gear and connecting rod
Movement, both ends move back and forth, and to open and close discharge outlet, the sealing of water fully relies on sealing ring and made by the pressure of spring
With.Consider the factor and integral strength of cost, the spring that this scheme cannot use pressure bigger, so as to cause sealing
Pressure is inadequate, when having fraction lint or impurity to remain in sealing surfaces, can lead to seal failure, make washing machine not
It can normal work;For motor after multiple stage gear reduction, then by link mechanism passing power, structure is more complicated;Using
AC220V alternating current generators drive, and cannot control direction of rotation, must have 2 groups of break contacts that it is made to close and beat in the structure
It stops operating when open position, high voltage and contact structure, security and reliability is relatively high.
Invention content
To solve the above-mentioned problems, it the invention discloses a kind of drain valve automatically controlled, has the advantages of simple structure and easy realization.
The object of the present invention is achieved like this:
A kind of drain valve automatically controlled, including the screw rod leading screw, nut and the gear wheel that are arranged successively from inside to outside, it is described
Gear wheel is equipped with radial direction and the installation groove of outward opening, and sliding block, spring are equipped with successively from inside to outside in installation groove
And spring block, the sliding block, spring and spring block constitute overload protective device.
The top of the sliding block is provided with blind slot, and the middle part of spring block is equipped with cutting, and spring block upper end is equipped with the first card
The open end of platform, the installation groove is equipped with the second chuck, and sliding block is placed in installation groove, and spring is placed in blind slot, spring catch
The cutting of block is inserted into spring, and spring block is established with installation card slot by the first chuck and the second chuck and connected.
The sliding block lower end is to constitute wedge-type shape by the first inclined-plane and the second inclined-plane, and the bottom surface of installation groove is and sliding block
Lower end shape matches corresponding wedge groove, and first inclined-plane and the second inclined-plane are asymmetric, and bevel angle is born when valve is opened
The bevel angle born when being closed more than valve, in this way design are the overload protections when valve is open under the active force of same spring
The separation torque that device can be born is more than the separation torque that overload protective device can be born when the valves are closed, this ensures that valve is closed
It afterwards, when valve is open can be with the self-locking problem of effective solution screw rod and nut.
The drain valve that automatically controls includes motor, motor gear, the first intermediate gear and the second intermediate gear, motor gear
Wheel is set in the output end of motor and is engaged with the first intermediate gear, and the first intermediate gear is engaged with the second intermediate gear, and second
Intermediate gear is engaged with gear wheel, and the small torque of direct current generator by what The gear deceleration, then is passed through screw rod and spiral shell by the present invention
Mother's transmission, is amplified to bigger pressing force, can effectively avoid the seepy question occurred because pressure is too small, existing scheme sealing
Pressure only has 1.5~2 kilograms, and the present invention can easily reach 5~20 kilograms of sealed pressure.
The motor is direct current generator, and existing scheme uses the motor of AC220V, more demanding for fire-proof and water-proof,
Not so easily cause safety problem, the present invention because using direct current generator, voltage between 3V~24V can, safety is bright
It is aobvious to improve, reinforce fire-proof and water-proof requirement without doing, also, alternating current generator this at higher, direct current generator cost is very low, also may be used
Effectively reduce component cost.
The drain valve automatically controlled includes water-drainage tube part and main casing, and sealing element, the silk are equipped in water-drainage tube part
Thick stick, nut and gear wheel are placed in main casing, and the rear end of screw rod leading screw screws in nut, and drainpipe is inserted into the front end of screw rod leading screw
In part and compress sealing element.
The drain valve automatically controlled includes electric machine casing, and motor is placed in electric machine casing, the water-drainage tube part and master
Sealing bed course is equipped between shell, main casing is full-closed structure, and the junction of electric machine casing and main casing is equipped with gasket
Layer is equipped with sealing ring between the motor and motor gear, seal washer is equipped between the connecting line and electric machine casing of motor, interior
The main casing of portion's gear transmission section uses totally-enclosed dustproof construction, and can effectively ensure that for a long time will not be into dust under complex environment
Lead to gear interim card, ensures long term reliability;Direct current generator is played completely waterproof by the effect of various sealing rings
Ability can effectively ensure that long-time service of the motor under complex environment, while gear transmission section is also complete in total
Dustproof design, to prevent dust from playing effective protection into back-geared interim card under complex environment.
One end of the leading screw helicla flute is equipped with the first rotation stop end face, and one end of the helical tooth of nut is equipped with the second rotation stop end
Face, because the torque ratio of the opening set on overload protective device is big when closing, bottom is opened to if encountered after complete open
If having self-locking, then need close when because close torque ratio open want small, be that can not reoperate, gear can be complete
Full skid, to solve this problem, it is necessary to torque as small as possible between screw rod and nut when ensureing to open, especially
The phenomenon that self-locking cannot be had by being opened to bottom, so to ensure the stress for not having axial between screw rod and nut when being opened to bottom
(no axial force would not generate self-locking), the only torsion of direction of rotation, rotation stop end face design of the present invention in structure, can
Screw rod and nut rotation is effectively ensured will not generate self-locking after on earth, less when turning off after also ensuring that valve is opened to bottom
Torque can also reach operating needs.
When opening valve, screw motion rear rotation stop end face contact on earth bears all torsion torque, is not rubbed on screw thread pair
Power can effectively ensure that no latching certainly after screw rod and nut stop motion, can normally be rotated when conveniently turning off.
The drain valve that automatically controls includes power supply, and power supply is equipped with insurance with the current supply circuit that motor is constituted
Silk, the current supply circuit are equipped with thermistor, and thermistor is placed on motor housing, current-limiting fuse of connecting in circuit
(having can restore and irrecoverable two kinds) cuts off circuit, protects motor and electricity after electric current exceeds certain value because of special circumstances
Source;Separately connect with circuit, when motor because special circumstances temperature is raised to beyond limit value close to fixed thermistor in motor housing
Afterwards, can reduce electric current in time, protection motor will not temperature it is excessively high, prevent motor failure.
Compared with prior art, the present invention having the advantages that:
Direct current generator is when opening or closing to terminal, final mechanism meeting stop motion, but motor is also working on,
Motor can be locked rotor condition, and electric current can be increased to 7 times or more of rated current by this state suddenly, and (such as rated current is
0.2A, stall when, can reach 1.5A or more), apparent impact is formed to the power of computer board, as increased computer board
Power accordingly can also increase cost, while motor can obviously generate heat, and seriously affect the motor long-term service life, or even burn motor,
This brings serious influence to the reliability of entire product, and the present invention passes through the overload that is made of spring block, spring and sliding block
Protector effectively reliably solves the problems, such as this, if rated current is 0.2A, because without stall, electric current base
This constant, the configuration of the present invention is simple, the deceleration mechanism and sliding block of spur gear and the overload protective device structure of spring is extremely simple can
It leans on, very convenient production, and reduces production cost.
Description of the drawings
Fig. 1 is the sectional view of the present invention;
Fig. 2 is the external overall structure diagram of the present invention;
Fig. 3 is the sectional view along line A-A in Fig. 2;
Fig. 4 is the structural schematic diagram of water-drainage tube part of the present invention, main casing and electric machine casing, and wherein Fig. 4 (a) is water-drainage tube part
With main casing schematic diagram, Fig. 4 (b) is the structural schematic diagram of main casing and electric machine casing;
Fig. 5 is another multi-angled view of Fig. 4 (b);
Fig. 6 is each part signal inside inventive shell;
Fig. 7 is the rotation stop end view on screw rod leading screw and nut of the present invention;
Fig. 8 is the structural schematic diagram of bold and unrestrained A Ming overload protective devices.
In figure:1, pipe fitting, 2, sealing element, 3, screw rod leading screw, 4, nut, 5, gear wheel, 5-1, installation groove, 5-2,
Two chuck, 6, intermediate gear, 7, intermediate gear, 8, motor gear, 9, direct current generator, 10, sliding block, 10-1, the first inclined-plane, 10-
2, the second inclined-plane, 11, spring, 12, spring block, 12-1, the first chuck, 12-2 cuttings, 13, main casing, 14, rear shell, 15-1
Front end shell, 15-2, rear cover, 16, sealing ring, 17, screw, 18, thermistor, 19 fuses, 20, sealing bed course, 21, power supply
Line, 22-1, the first rotation stop end face, the second rotation stops of 22-2 end face.
Specific implementation mode
The specific embodiment of the invention is described in further detail below in conjunction with the accompanying drawings.
A kind of drain valve automatically controlled of the present embodiment, including the screw rod leading screw 3, the nut 4 that are arranged successively from inside to outside
With gear wheel 5, the gear wheel 5 is equipped with the installation groove 5-1 of radial direction and outward opening, and installation groove 5-1 is interior by interior
It is equipped with sliding block 10, spring 11 and spring block 12 successively outward.
The top of the sliding block 10 is provided with blind slot, and the middle part of spring block 12 is equipped with cutting 12-2,12 upper end of spring block
Open end equipped with the first chuck 12-1, the installation groove 5-1 is equipped with the second chuck 5-2, and sliding block 10 is placed in installation groove 5-1
Interior, spring 11 is placed in blind slot, and the cutting 12-2 of spring block 12 is inserted into spring 11, and spring block 12 passes through the first chuck
12-1 and the second chuck 5-2 is established with installation card slot and is connected.
10 lower end of the sliding block is to constitute wedge-type shape, installation groove 5-1 by the first inclined-plane 10-1 and the second inclined-plane 10-2
Bottom surface be wedge groove corresponding with 10 lower end shape matching of sliding block, the first inclined-plane 10-1 and the second inclined-plane 10-2 are non-right
Claim, when closing sealing, being had between screw rod and nut 4 centainly has self-lock force, and when needing to open again, the torque of opening is necessary
It is greater than torque when closing, this overload protective device just plays this effect at this time, and nut 4 and the inclined-plane of 10 front end of sliding block connect
It touching, inclined-plane when opening and bevel angle when closing are different, and bevel angle when opening is more than bevel angle when closing,
Under the active force of identical springs 11, the torque that overload protective device detaches can be made different, realize the difference needed when opening and closing
Torque.
The drain valve that automatically controls includes motor 9, motor gear 8, the first intermediate gear 6 and the second intermediate gear 7, horse
It is set in the output end of motor 9 up to gear 8 and is engaged with the first intermediate gear 6, the first intermediate gear 6 and the second intermediate gear 7
Engagement, the second intermediate gear 7 are engaged with gear wheel 5.
The motor 9 is direct current generator.
The drain valve automatically controlled includes water-drainage tube part 1 and main casing 13, and the rear end of main casing 13 passes through rear shell 14
Fastening forms totally-enclosed shell, is equipped with sealing element 2 in water-drainage tube part 1, the leading screw, nut 4 and gear wheel 5 are placed in main casing 13
Interior, the rear end of screw rod leading screw 3 screws in nut 4, and the front end of screw rod leading screw 3 is inserted into water-drainage tube part 1 and compresses sealing element 2.
The drain valve automatically controlled includes electric machine casing, and electric machine casing includes front end shell 15-1 and rear cover 15-2,
Front end shell 15-1 is integrated shell with rear shell 14, and 9 front end of motor is placed in front end shell, and the rear portion of motor 9 passes through rear cover
15-2 is fastened with front end shell 15-1 and is sealed, and drainpipe described in sealing ring 16 is equipped at front end shell 15-1 and rear cover 15-2 fastenings
Between part 1 and main casing 13 be equipped with sealing bed course 20, between main casing 13 and rear shell 14 be equipped with sealing bed course 20, electric machine casing with
The junction of main casing 13 is equipped with sealing bed course 20, and sealing ring 16, the company of motor 9 are equipped between the motor 9 and motor gear 8
Sealing ring 16 is equipped between wiring 21 and rear shell 15-2.
One end of the helicla flute of the screw rod leading screw is equipped with the first rotation stop end face 22-1, and one end of the helical tooth of nut 4 is set
There is the second rotation stop end face 22-2.
The drain valve that automatically controls includes power supply, and power supply is equipped with the current supply circuit that motor 9 is constituted and protects
Dangerous silk 19.
The current supply circuit is equipped with thermistor 18, and thermistor 18 is placed on motor housing.
The present invention the course of work be:When needing to close sealing, computer board of washing machine is supplied to direct current generator 9 is positive
Electricity, direct current generator 9 rotate forward, and drive motor gear 8 drives intermediate gear 6,7 and gear wheel 5 to rotate, and gear wheel 5 is by by sliding block
10, the overload protective device that spring 11, spring block 12 form, drive nut 4 to rotate, nut 4 drives screw rod 3 to move forward again,
It is compressed by sealing element 2 and water-drainage tube part 1, so that it is sealed, screw rod 3 and nut 4 have stopped operating at this time, but direct current generator is also
It is working on, is being more than after the torque set, sliding block 10 overcomes spring 11 by the ramp effect of overload protective device top shoe
Strength moves backward, makes overload protective device work separation, gear wheel 5 continue to do lost motion, computer board is set to direct current generator
Power-on time stop, motor is stopped, and completes one and closes sealing action;
When needing to open draining, computer board of washing machine gives direct current generator 9 reverse power supply, and direct current generator 9 inverts, and driving is each
A gear is rotated by the sliding block band band nut 4 on overload protective device, and screw rod 3 moves, pulls open sealing element 2, make itself and row backward
Pipe fitting 1 has a certain distance, to realize drain function, when the rotation stop plane contact on screw rod 3 and nut 4, screw rod 3 with
Nut 4 stops operating, and direct current generator 9 is also working at this time, is more than that setting is turned round by the effect of overload protective device top shoe
After square, sliding block 10 overcomes the strength of spring to move backward, and overload protective device work separation, gear is made to continue to do lost motion, when
Computer board stops powering to direct current generator, and motor stops, and completes another and opens draining action.
By the positive and negative rotation of motor, it can be achieved that sealing and the perseveration pulled open, reach the requirement of drainer for washer.
Claims (9)
1. a kind of drain valve automatically controlled, including the screw rod leading screw, nut and the gear wheel that are arranged successively from inside to outside, feature
It is:The gear wheel is equipped with radial direction and the installation groove of outward opening, is equipped with successively from inside to outside in installation groove
Sliding block, spring and spring block;
The sliding block lower end is to constitute wedge-type shape by the first inclined-plane and the second inclined-plane, and the bottom surface of installation groove is and sliding block lower end
Shape matches corresponding wedge groove, and first inclined-plane and the second inclined-plane are asymmetric.
2. a kind of drain valve automatically controlled according to claim 1, it is characterised in that:The top of the sliding block is provided with blind
Slot, the middle part of spring block are equipped with cutting, and spring block upper end is equipped with the first chuck, and the open end of the installation groove is equipped with the
Two chuck, sliding block are placed in installation groove, and spring is placed in blind slot, and the cutting of spring block is inserted into spring, and spring block is logical
It crosses the first chuck and the second chuck and establishes connection with installation card slot.
3. a kind of drain valve automatically controlled according to claim 1, it is characterised in that:The drain valve that automatically controls includes
Motor, motor gear, the first intermediate gear and the second intermediate gear, motor gear be set in the output end of motor and in first
Between gear engage, the first intermediate gear engages with the second intermediate gear, and the second intermediate gear is engaged with gear wheel.
4. a kind of drain valve automatically controlled according to claim 3, it is characterised in that:The motor is direct current generator.
5. a kind of drain valve automatically controlled according to claim 3, it is characterised in that:The drain valve packet automatically controlled
Water-drainage tube part and main casing are included, is equipped with sealing element in water-drainage tube part, the leading screw, nut and gear wheel are placed in main casing, spiral shell
The rear end of bar leading screw screws in nut, and the front end of screw rod leading screw is inserted into water-drainage tube part and compresses sealing element.
6. a kind of drain valve automatically controlled according to claim 5, it is characterised in that:The drain valve packet automatically controlled
Electric machine casing is included, motor is placed in electric machine casing, and sealing bed course is equipped between the water-drainage tube part and main casing, and main casing is
The junction of full-closed structure, electric machine casing and main casing is equipped with sealing bed course, is equipped between the motor and motor gear close
Seal is equipped with seal washer between the connecting line and electric machine casing of motor.
7. a kind of drain valve automatically controlled according to claim 1, it is characterised in that:One end of the leading screw helicla flute is set
There are the first rotation stop end face, one end of the helical tooth of nut to be equipped with the second rotation stop end face.
8. a kind of drain valve automatically controlled according to claim 1, it is characterised in that:The drain valve that automatically controls includes
Power supply, power supply are equipped with fuse with the current supply circuit that motor is constituted.
9. a kind of drain valve automatically controlled according to claim 8, it is characterised in that:The current supply circuit is equipped with temperature-sensitive
Resistance, thermistor are placed on motor housing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610805306.3A CN106224627B (en) | 2016-08-30 | 2016-08-30 | A kind of drain valve automatically controlled |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610805306.3A CN106224627B (en) | 2016-08-30 | 2016-08-30 | A kind of drain valve automatically controlled |
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CN106224627A CN106224627A (en) | 2016-12-14 |
CN106224627B true CN106224627B (en) | 2018-09-18 |
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CN201610805306.3A Active CN106224627B (en) | 2016-08-30 | 2016-08-30 | A kind of drain valve automatically controlled |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108654243B (en) * | 2018-08-31 | 2021-02-19 | 盐城优源环保科技有限公司 | Bag-type dust collector with self-cleaning function |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030091518A (en) * | 2002-05-28 | 2003-12-03 | 엘지전자 주식회사 | Outlet pump mounting structure of washer |
CN202790189U (en) * | 2012-10-08 | 2013-03-13 | 西华大学 | Overload protection gear structure |
CN103511716A (en) * | 2012-06-20 | 2014-01-15 | 常州乐士雷利电机有限公司 | Drain valve |
CN104565257A (en) * | 2013-10-25 | 2015-04-29 | 上海工程技术大学 | Adjustable type anti-overloading driving part |
CN105544151A (en) * | 2016-01-28 | 2016-05-04 | 高本东 | Automatically-controlled water drainage device |
CN206036367U (en) * | 2016-08-30 | 2017-03-22 | 苏州威士德电子有限公司 | Automatic drain valve of control |
-
2016
- 2016-08-30 CN CN201610805306.3A patent/CN106224627B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030091518A (en) * | 2002-05-28 | 2003-12-03 | 엘지전자 주식회사 | Outlet pump mounting structure of washer |
CN103511716A (en) * | 2012-06-20 | 2014-01-15 | 常州乐士雷利电机有限公司 | Drain valve |
CN202790189U (en) * | 2012-10-08 | 2013-03-13 | 西华大学 | Overload protection gear structure |
CN104565257A (en) * | 2013-10-25 | 2015-04-29 | 上海工程技术大学 | Adjustable type anti-overloading driving part |
CN105544151A (en) * | 2016-01-28 | 2016-05-04 | 高本东 | Automatically-controlled water drainage device |
CN206036367U (en) * | 2016-08-30 | 2017-03-22 | 苏州威士德电子有限公司 | Automatic drain valve of control |
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Publication number | Publication date |
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CN106224627A (en) | 2016-12-14 |
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Legal Events
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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190821 Address after: 231200 No. 1 Workshop of Anhui Lijia Light Textile Products Co., Ltd. on the west side of Chang'an Avenue, Taohua Town, Feixi County, Hefei City, Anhui Province Patentee after: Hefei Airlines Technology Co., Ltd. Address before: 215000, No. 8 East Road, Zhang Zhuang Industrial Park, Xiangcheng District, Jiangsu, Suzhou, Huangqiao Patentee before: Suzhou Weishide Electronics Co., Ltd. |
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TR01 | Transfer of patent right |