CN113503383A - High stability hydraulic loom shunt valve - Google Patents

High stability hydraulic loom shunt valve Download PDF

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Publication number
CN113503383A
CN113503383A CN202111051474.5A CN202111051474A CN113503383A CN 113503383 A CN113503383 A CN 113503383A CN 202111051474 A CN202111051474 A CN 202111051474A CN 113503383 A CN113503383 A CN 113503383A
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CN
China
Prior art keywords
water
valve
valve core
grooves
liquid pumping
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Granted
Application number
CN202111051474.5A
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Chinese (zh)
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CN113503383B (en
Inventor
王俊淞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Tanggu Lidun Valve Co ltd
Original Assignee
Nantong Dodge Home Textile Co ltd
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Priority to CN202111051474.5A priority Critical patent/CN113503383B/en
Publication of CN113503383A publication Critical patent/CN113503383A/en
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Publication of CN113503383B publication Critical patent/CN113503383B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/10Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/28Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/32Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by liquid jet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F04B17/04Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009Special features
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08Multiple-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
    • F16K11/085Multiple-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 cylindrical plug
    • F16K11/0853Multiple-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 cylindrical plug having all the connecting conduits situated in a single plane perpendicular to the axis of the plug
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025Electrical or magnetic means
    • F16K37/0041Electrical or magnetic means for measuring valve parameters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K51/00Other details not peculiar to particular types of valves or cut-off apparatus

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Abstract

The invention discloses a high-stability water-jet loom shunt valve, which comprises a valve barrel, wherein a valve core is hermetically and rotatably connected in the valve barrel, two waist-shaped holes are formed in the side wall of the valve core and are communicated through a through hole, two liquid pumping grooves are formed in the side wall of the valve core, opposite side walls of the two liquid pumping grooves are made of soft rubber materials, the two liquid pumping grooves are symmetrically arranged along the through hole, and a water pumping device for pumping water is arranged in the liquid pumping grooves. According to the invention, by arranging the water pumping device consisting of the iron sheet, the soft rubber inner wall, the inductance coil and other parts, when the valve body works, the pulse current is introduced into the inductance coil, so that the water flow at the position blocked by the valve core can be continuously pumped away, the impact force of the high-pressure water flow on the valve core can be greatly reduced, the motor is prevented from shrinking, and the service life of the water distribution valve is prolonged.

Description

High stability hydraulic loom shunt valve
Technical Field
The invention relates to the technical field related to accessories of a water-jet loom, in particular to a water distribution valve of a high-stability water-jet loom.
Background
The water jet loom is a shuttleless loom which adopts a jet water column to pull weft yarns to pass through a shed, and high-pressure water flow is distributed into each water path and each nozzle mainly through a shunt valve.
The water flow distribution of the shunt valve mainly depends on a motor to drive the valve core to rotate for a certain angle, so that the water flow of each water channel is changed. However, in the using process, when the water flow is regulated, after the valve core is rotated by a certain angle, high-pressure water flow generates an impact force on the valve core when flowing through the hole on the valve core, and acts on the output shaft of the motor through the valve core, so that a deviation pressure is generated on the output shaft of the motor, the motor is easily damaged, the stability of the subsequent motor control valve core is reduced, and the service life of the water distribution valve is further shortened. In view of this, the present application provides a high stability water diversion valve for a water jet loom.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high-stability water diversion valve of a water jet loom.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high stability hydraulic loom shunt valve, includes a valve section of thick bamboo, the sealed rotation is connected with the case in the valve section of thick bamboo, two waist type holes have been seted up, two are taken out the cistern, two to the lateral wall of case the relative lateral wall in liquid groove all adopts soft rubber material to make, and two to take out the cistern and set up along the through-hole symmetry, take out and install the pumping device who is used for drawing water in the cistern, pumping device is including inlaying the iron sheet of establishing on taking out cistern soft rubber inner wall, it is equipped with inductance coils to inlay on the liquid inslot inner wall, be equipped with on the case with take out communicating drinking-water pipe and the drain pipe of liquid inslot portion, all be equipped with the check valve in drinking-water pipe and the drain pipe.
Preferably, a plurality of induction grooves are formed in the side wall of the valve core and are symmetrically distributed along the through hole, water inlet holes are formed in the inner wall of each induction groove, and a water outlet pipe is communicated between each induction groove and the water pumping pipe.
Preferably, be equipped with control mechanism in the induction tank, control mechanism is used for controlling inductance coils and lets in the size of electric current, control mechanism coupling is in inductance coils's power supply circuit, just inductance coils still has the alarm through shunt electric connection.
Preferably, the control mechanism comprises two electrodes and a resistor, and the two electrodes are connected with the resistor in parallel.
Preferably, the valve core is fixedly connected with a connecting rod, the connecting rod is connected with the motor through a coupler, and the valve cylinder is provided with a main flow pipe and two shunt pipes communicated with the interior of the valve cylinder.
The invention has the following beneficial effects:
1. by arranging the water pumping device consisting of the iron sheet, the soft rubber inner wall, the inductance coil and other components, when the valve body works, the pulse current is introduced into the inductance coil, so that the water flow at the position blocked by the valve core can be continuously pumped away, the impact force of the high-pressure water flow on the valve core can be greatly reduced, the motor is prevented from shrinking, and the service life of the water distribution valve is prolonged;
2. the water pumping device is used for continuously pumping water and draining water, so that water flow drained to the flow dividing pipe can be properly pressurized, and the weft insertion effect and speed of the water jet loom are improved;
3. through setting up induction tank, electrode and resistance, can be when the case takes place wearing and tearing, increase inductance coils's circular telegram electric current, so pumping device can draw water with higher efficiency to take out water from wearing and tearing department, and when wearing and tearing are very serious and take place to leak, make the alarm circular telegram, in time inform the warning to the staff, prevent to take place more serious consequence.
Drawings
FIG. 1 is a schematic diagram of the internal structure of a water distribution valve of a high-stability water-jet loom according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic diagram of the circuit connection between two electrodes and a resistor in the water diversion valve of the high-stability water-jet loom according to the present invention;
fig. 4 is a schematic front sectional structural view of a water distribution valve of a high-stability water-jet loom according to the present invention.
In the figure: the device comprises a valve barrel 1, a valve core 2, a kidney-shaped hole 3, a through hole 4, a main flow pipe 5, a flow dividing pipe 6, a liquid pumping groove 7, an iron sheet 8, a water pumping pipe 9, a water discharging pipe 10, an inductance coil 11, an induction groove 12, an electrode 13, a water inlet hole 14, a water outlet pipe 15, a resistor 16 and a connecting rod 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a high stability water-jet loom shunt valve includes a valve barrel 1, a valve core 2 is connected in the valve barrel 1 in a sealing and rotating manner, two waist-shaped holes 3 are formed in the side wall of the valve core 2, the two waist-shaped holes 3 are communicated through a through hole 4, a connecting rod 17 is fixedly connected to the valve core 2, the connecting rod 17 is connected with a motor through a coupler, and a main flow pipe 5 and two shunt pipes 6 communicated with the inside of the valve barrel 1 are arranged on the valve barrel.
Two drawing liquid grooves 7 have been seted up to the lateral wall of case 2, and the relative lateral wall of two drawing liquid grooves 7 all adopts soft rubber materials to make, and the drawing liquid groove 7 inner wall that adopts soft rubber materials has good elasticity, can resume by oneself after taking place deformation.
And two liquid pumping grooves 7 are symmetrically arranged along the through hole 4, a water pumping device for pumping water is arranged in the liquid pumping groove 7, the water pumping device comprises an iron sheet 8 embedded on the inner wall of soft rubber of the liquid pumping groove 7, an inductance coil 11 is embedded on the inner wall of the liquid pumping groove 7, a water pumping pipe 9 and a water drainage pipe 10 which are communicated with the inside of the liquid pumping groove 7 are arranged on the valve core 2, and check valves are arranged in the water pumping pipe 9 and the water drainage pipe 10. Specifically, a one-way valve in the suction pipe 9 restricts one-way flow of water from the suction pipe 9 into the sensing slot 12, while a one-way valve in the drain pipe 10 restricts one-way flow of water from the sensing slot 12 into the drain pipe 10.
A plurality of induction tanks 12 have been seted up to the lateral wall of case 2, and a plurality of induction tanks 12 along 4 symmetric distribution of through-hole, inlet opening 14 has been seted up on the inner wall of induction tank 12, the intercommunication has outlet pipe 15 between induction tank 12 and the drinking-water pipe 9, be equipped with control mechanism in the induction tank 12, control mechanism is used for controlling the size that inductance coils 11 lets in the electric current, control mechanism coupling is in inductance coils 11's power supply circuit, and inductance coils 11 still has the alarm through shunt electric connection. It should be noted that the shunt is specifically a resistor with a small resistance value, and when a current flows through the resistor, a voltage drop can be generated, when the current reaches a preset warning value, the alarm can be powered on and alarm can be given, and specifically, other current sensors can be used for detecting the power-on current of the inductance coil 11, and when the current rises to a certain value, the alarm can be powered on and works.
The control mechanism includes two electrodes 13 and a resistor 16, and the two electrodes 13 are connected in parallel with the resistor 16, specifically, as shown in fig. 2-3, the resistance of the resistor 16 is larger than the resistance of the water body, when water is immersed in the induction tank 12, the water can directly electrically connect the two electrodes 13, and the resistor 16 is short-circuited and fails, so that the overall power supply resistance of the inductance coil 11 can be reduced, and the power supply current of the inductance coil 11 can be increased.
When the device is used, when the valve core 2 rotates to the state shown in figure 1, part of high-pressure water flow entering the valve cylinder 1 from the main flow pipe 5 acts on the inner walls of two sides of the kidney-shaped hole 3, so that impact force is generated on the valve core 2, the connecting rod 17 and the output shaft of the motor connected with the connecting rod 17.
In the device, a pulse current can be synchronously introduced into the inductance coil 11 when the shunt valve works, so that the inductance coil 11 is intermittently electrified, the inductance coil 11 intermittently excites an induction magnetic field after the pulse current is introduced, the iron sheet 8 is periodically attracted, the inner wall of the soft rubber of the liquid pumping groove 7 is pulled to be concave, and when the inductance coil 11 is in a power-off state, the induction magnetic field disappears, and the inner wall of the soft rubber is immediately recovered by virtue of elasticity. Therefore, in the process, the inner wall of the soft rubber of the liquid pumping groove 7 is changed continuously, and the internal volume in the liquid pumping groove 7 is changed in an increasing and decreasing manner, so that water at two sides of the lower waist-shaped hole 3 can be pumped into the liquid pumping groove 7 through the water pumping pipe 9 when the internal volume of the liquid pumping groove 7 is increased, and the water in the liquid pumping groove 7 can be discharged through the water discharging pipe 10 when the internal volume is decreased.
Therefore in the working process of the shunt valve, the water pumping device in the device can continuously pump water in two sides of the waist-shaped hole 3 into the water pumping groove 7 and continuously discharge the water through the drain pipe 10, so that the impact force of high-pressure water flow on the valve core 2 is greatly reduced, the damage to a motor output shaft can be effectively avoided, the stable effect of controlling the valve core 2 is improved, and the service life of the shunt valve is prolonged. In addition, when the water pumped into the liquid pumping groove 7 is discharged, the water can be continuously extruded by the inner wall of the soft rubber, so that the pressure for discharging the water flow can be increased to a certain extent, the water flow entering the shunt pipe 6 can be pressurized, and the weft insertion effect and speed of the water jet loom are improved.
Furthermore, as shown in fig. 1, a plurality of induction grooves 12 are disposed on two sides of the valve core 2, when some part of the side wall of the valve core 2 is worn, the part of the side wall of the valve core 2 is not closely attached to the inner wall of the valve barrel 1, water flowing into the valve barrel 1 can also permeate to the worn part and enter the induction groove 12 through the water inlet 14, at this time, water flows into the induction groove 12 to short-circuit the two electrodes 13, at this time, the current does not pass through the resistor 16, but directly passes through the two electrodes 13 to the inductor coil 11, the overall power supply resistance of the inductor coil 11 is reduced, the current applied to the inductor coil 11 is increased, a stronger induction magnetic field can be generated, so that a stronger suction force can be generated to the iron sheet 8, the degree of concavity of the rubber soft inner wall of the liquid pumping groove 7 is increased, more volumes of water can be pumped and discharged at one time, and thus the worn valve core 2 can be used, the water permeating to the abrasion part is pumped and discharged through the water inlet hole 14, the induction groove 12 and the water outlet pipe 15, and the valve core 2 is prevented from being damaged due to the fact that the water continuously permeates.
Further, when the valve core 2 is damaged at a plurality of positions and leakage is possibly caused, water enters into the plurality of induction grooves 12 on the valve core 2 at the moment, the plurality of resistors 16 are short-circuited, the whole power supply resistor of the inductance coil 11 is greatly reduced, the electrifying current of the inductance coil 11 is also increased to a higher shunt warning value, the shunt energizes the alarm and gives an alarm at the moment, and a worker can be timely informed to maintain and replace a severely worn shunt valve, so that serious consequences such as unqualified product quality and the like caused by insufficient water flow pressure sprayed by the water jet loom are prevented.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (5)

1. The high-stability water-jet loom shunt valve comprises a valve barrel (1), wherein a valve core (2) is rotatably connected in the valve barrel (1) in a sealing manner, two waist-shaped holes (3) are formed in the side wall of the valve core (2), the waist-shaped holes (3) are communicated through holes (4), the high-stability water-jet loom shunt valve is characterized in that two liquid pumping grooves (7) are formed in the side wall of the valve core (2), the opposite side walls of the liquid pumping grooves (7) are made of soft rubber materials, the liquid pumping grooves (7) are symmetrically arranged along the through holes (4), a water pumping device for pumping water is installed in the liquid pumping grooves (7), the water pumping device comprises an iron sheet (8) embedded on the inner wall of the soft rubber of the liquid pumping grooves (7), inductance coils (11) are embedded on the inner wall of the liquid pumping grooves (7), water pumping pipes (9) and water draining pipes (10) which are communicated with the inside of the liquid pumping grooves (7) are arranged on the valve core (2), check valves are arranged in the water pumping pipe (9) and the water discharging pipe (10).
2. The high-stability water-jet loom shunt valve according to claim 1, wherein a plurality of sensing grooves (12) are formed in the side wall of the valve core (2), the sensing grooves (12) are symmetrically distributed along the through hole (4), a water inlet hole (14) is formed in the inner wall of each sensing groove (12), and a water outlet pipe (15) is communicated between each sensing groove (12) and the water pumping pipe (9).
3. The water distribution valve of the water-jet loom with high stability as claimed in claim 2, wherein a control mechanism is arranged in the induction groove (12), the control mechanism is used for controlling the current passing through the induction coil (11), the control mechanism is coupled in a power supply circuit of the induction coil (11), and the induction coil (11) is further electrically connected with an alarm through a shunt.
4. A high stability water jet loom shunt valve according to claim 3, characterized in that said control mechanism comprises two electrodes (13) and a resistor (16), and two of said electrodes (13) are connected in parallel with the resistor (16).
5. The high-stability water-jet loom shunt valve according to claim 1, characterized in that a connecting rod (17) is fixedly connected to the valve core (2), the connecting rod (17) is connected to a motor through a coupler, and a main flow pipe (5) and two shunt pipes (6) are arranged on the valve cylinder (1) and communicated with the interior of the valve cylinder.
CN202111051474.5A 2021-09-08 2021-09-08 High stability hydraulic loom shunt valve Active CN113503383B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111051474.5A CN113503383B (en) 2021-09-08 2021-09-08 High stability hydraulic loom shunt valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111051474.5A CN113503383B (en) 2021-09-08 2021-09-08 High stability hydraulic loom shunt valve

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CN113503383A true CN113503383A (en) 2021-10-15
CN113503383B CN113503383B (en) 2021-11-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114607803A (en) * 2022-03-29 2022-06-10 南通市通州区磊香利纺织品有限公司 Water diversion valve of water jet loom

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003313753A (en) * 2002-04-22 2003-11-06 Tsudakoma Corp Method and apparatus for feeding pressurized water of water-jetting type loom
CN201395673Y (en) * 2009-05-07 2010-02-03 苏州华毅机械有限公司 Shunt valve of water-jet loom
CN103966732A (en) * 2014-05-08 2014-08-06 湖州厉华妤婕联合纺织有限公司 Novel shunt valve element of water-jet loom
CN204111993U (en) * 2014-09-03 2015-01-21 宁波市吉虎机械制造有限公司 Water jet looms weft accumulator switching valve
CN105202221A (en) * 2015-10-30 2015-12-30 湖州织里韩衣童社服饰有限公司 Shunt valve element
CN205078847U (en) * 2015-10-30 2016-03-09 湖州织里韩衣童社服饰有限公司 Hydraulic loom shunt valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003313753A (en) * 2002-04-22 2003-11-06 Tsudakoma Corp Method and apparatus for feeding pressurized water of water-jetting type loom
CN201395673Y (en) * 2009-05-07 2010-02-03 苏州华毅机械有限公司 Shunt valve of water-jet loom
CN103966732A (en) * 2014-05-08 2014-08-06 湖州厉华妤婕联合纺织有限公司 Novel shunt valve element of water-jet loom
CN204111993U (en) * 2014-09-03 2015-01-21 宁波市吉虎机械制造有限公司 Water jet looms weft accumulator switching valve
CN105202221A (en) * 2015-10-30 2015-12-30 湖州织里韩衣童社服饰有限公司 Shunt valve element
CN205078847U (en) * 2015-10-30 2016-03-09 湖州织里韩衣童社服饰有限公司 Hydraulic loom shunt valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114607803A (en) * 2022-03-29 2022-06-10 南通市通州区磊香利纺织品有限公司 Water diversion valve of water jet loom
CN114607803B (en) * 2022-03-29 2024-04-19 南通市通州区磊香利纺织品有限公司 Water diversion valve of water jet loom

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Effective date of registration: 20240330

Address after: No. 130, Dongqiji Village, Qiji Town, Wei County, Xingtai City, Hebei Province, 054000

Patentee after: Li Huaxiao

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Patentee after: Zhang Hongfei

Address before: No. 18, group 44, tongqiqiao village, Zhangzhishan Town, Tongzhou District, Nantong City, Jiangsu Province, 226000

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Address after: Room 302, Building 1, No. 5051 Dongjiang Road, Tanggu Marine Science and Technology Park, Binhai New Area, Tianjin, 300392

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Address before: No. 130, Dongqiji Village, Qiji Town, Wei County, Xingtai City, Hebei Province, 054000

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