CN114001169A - Straight-through rotation angle valve - Google Patents
Straight-through rotation angle valve Download PDFInfo
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- CN114001169A CN114001169A CN202111222782.XA CN202111222782A CN114001169A CN 114001169 A CN114001169 A CN 114001169A CN 202111222782 A CN202111222782 A CN 202111222782A CN 114001169 A CN114001169 A CN 114001169A
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- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- 239000012535 impurity Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
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- 229920001296 polysiloxane Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
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- 238000004140 cleaning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
- F16K3/06—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
- F16K3/08—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
- B01D35/046—Plug, tap, or cock filters filtering elements mounted in or on a faucet the filtering element being mounted in the faucet plug
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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
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
- F16K27/045—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with pivotal obturating members
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Supply & Treatment (AREA)
- Sliding Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention relates to a straight-through rotary angle valve which comprises a valve casing, a water-passing end head, a rotary sleeve, a first soft gasket, a first ceramic piece, a second ceramic piece and a second soft gasket. The water inlet end is fixedly connected with the valve casing, the water inlet end is in seamless butt joint with the first soft gasket, and the first soft gasket, the first ceramic piece, the second ceramic piece and the second soft gasket are sequentially and tightly laminated and pressed in the valve casing. The first soft gasket, the first ceramic piece, the second ceramic piece and the second soft gasket are all provided with openings which can be communicated with each other. The first ceramic plate is fixed with the valve casing. The valve casing is provided with a circumferential hole. The rotary sleeve is sleeved outside the valve shell and is connected with the second ceramic plate inwards through the circumferential hole. The rotating sleeve is rotated to drive the second ceramic piece to rotate, so that the opening of the second ceramic piece and the opening of the first ceramic piece can be mutually staggered or mutually communicated. The rotary angle valve can still keep the original precise structure and function after being used for a long time, and water leakage caused by reduction of structural precision is not easy to occur.
Description
Technical Field
The invention relates to the technical field of waterway connection valves, in particular to a straight-through type rotary angle valve.
Background
The waterway connecting valve is mainly used for water and electricity installation in the decoration industry, is an important water heating accessory and mainly has the main functions of switching an inner water outlet and an outer water outlet; regulating water pressure; and thirdly, the valve is used for sealing and communicating water.
The invention patent with the application number of CN201721747128.X discloses an angle valve device without an independent valve core, which comprises a handle, a core shaft, an upper ceramic plate, a lower ceramic plate, a base, a plug, a valve body and a filter element, wherein the core shaft penetrates through the valve body to the handle end, the core shaft is sealed by an O-shaped ring, a groove is arranged on the upper ceramic plate, a clamping position of the core shaft is arranged in the groove of the upper ceramic plate, when the handle is rotated, the core shaft is driven to rotate, the upper ceramic plate rotates together and forms relative motion with the lower ceramic plate, the purposes of opening and closing water and adjusting the water yield are achieved through the relative movement of the positions of holes on the upper ceramic plate and the lower ceramic plate, the clamping positions are assembled on a body of the angle valve, the lower ceramic plate is relatively fixed, the lower surface consists of the base and the plug, the base is connected with the body of the angle valve through threads on the plug, when the lower ceramic plate is screwed to a certain position, the base is close to the lower part, eliminate the clearance of two potsherds, use the silicone grease lubrication between the two potsherds, when going out water to the delivery port, the oral area is equipped with the filter core through the screw thread and is held at the play water end of valve body, go out the water part and force to pass through the filter core, filter the impurity in the water source, the angle valve produces clear water quality, when impurity is too much, through tearing out the filter core, clear away impurity, guarantee the unobstructed in water route, realized that the angle valve does not need the water route controlling means of independent case, low in production cost, the function of self-cleaning quality of water, it is swift convenient to clear up the water route. The upper side and the lower side of the combination of the upper ceramic wafer and the lower ceramic wafer of the angle valve device are respectively sealed together through the O-shaped ring on the mandrel and clamped with the base, the structure has a structure for limiting axial displacement between the handle and the valve body, the vertical connection structure of the handle and the mandrel, the straightness of the mandrel and the precision of the vertical connection structure of the mandrel and the upper ceramic wafer are all required to be very high, so that the handle is ensured to rotate, the upper ceramic wafer is kept to be tightly attached and rotated relative to the lower ceramic wafer, but the structure precision of the series of structures is easy to decline after the series of structures are used for a period of time, and the upper ceramic wafer cannot be tightly attached and rotated relative to the lower ceramic wafer, and further the water leakage problem is caused.
Disclosure of Invention
The invention aims to solve the technical problems that the existing angle valve for controlling the flow by rotating an inner core has high requirement on structural precision, and the structural precision is easy to reduce after the angle valve is used for a period of time, so that water leakage is caused.
In order to solve the technical problem, the invention provides a straight-through type rotary angle valve which comprises a valve casing, a water-passing end head, a rotary sleeve, a first soft gasket, a first ceramic piece, a second ceramic piece and a second soft gasket. The valve housing has a cylindrical cavity; the first ceramic piece and the second ceramic piece are both round; the water-passing end is fixedly connected with the valve casing, and the water-passing end is in seamless butt joint with the first soft gasket, so that the first soft gasket, the first ceramic piece, the second ceramic piece and the second soft gasket are sequentially and tightly laminated and pressed in the cylindrical cavity of the valve casing; the first soft gasket, the first ceramic piece, the second ceramic piece and the second soft gasket are all provided with openings which can be communicated with each other. The first ceramic plate and the valve shell are relatively fixed; a penetrating circumferential hole is formed in the wall of the valve shell; the rotary sleeve is sleeved outside the valve shell and is connected with the second ceramic plate through the circumferential hole; rotate the swivel sleeve drives the second potsherd closely laminates the cylindrical cavity of valve casing rotates, makes the opening of second potsherd with the opening of first potsherd can stagger each other or communicate each other.
As a further improvement of the straight-through type rotary angle valve of the present invention, the first soft gasket and the second soft gasket are both circular rings.
As a further improvement of the straight-through rotary angle valve, the first ceramic plate and the second ceramic plate are respectively provided with two sector-shaped openings with centrosymmetry, and the central angle of each sector is 60-90 degrees.
As a further improvement of the straight-through rotary angle valve of the present invention, a first groove is provided on an inner wall surface of the valve housing, and a first projecting block is provided on an outer peripheral surface of the first ceramic plate, the first projecting block being embedded in the first groove.
As a further improvement of the straight-through type rotary angle valve, the periphery of the second ceramic plate is provided with a square mounting groove; the straight-through rotary angle valve also comprises a square nut and a screw; the square nut is embedded into the mounting groove; a screw hole is formed in the rotating sleeve, the screw penetrates through the screw hole and is connected to the square nut, and the combination of the screw and the square nut penetrates through the circumferential hole; the screw is provided with a nut which is abutted against the screw hole.
As a further improvement of the straight-through type rotary angle valve of the present invention, the straight-through type rotary angle valve further comprises a third ceramic sheet, which is arranged between the second ceramic sheet and the second soft gasket and is tightly connected with each other; a third protruding block is arranged on the outer peripheral surface of the third ceramic piece, a third groove is formed in the inner wall surface of the valve casing, and the third protruding block is embedded into the third groove; and the third ceramic piece is provided with an opening opposite to the opening of the first ceramic piece.
As a further improvement of the straight-through type rotary angle valve of the present invention, O-ring holes are provided on the outer wall surface of the valve housing at both sides of the circumferential hole; the straight-through rotary angle valve further comprises two O-shaped rings which are respectively arranged in the two O-shaped ring holes, and the valve shell and the rotary sleeve are mutually abutted through the two O-shaped rings.
As a further improvement of the straight-through rotary angle valve of the present invention, the valve housing is provided with two of the circumferential holes in central symmetry; the periphery of the second ceramic plate is provided with two symmetrical square mounting grooves; the straight-through type rotation angle valve comprises two groups of square nuts and screws, and one square nut is arranged in each mounting groove; the rotating sleeve is connected with the second ceramic plate through two groups of square nuts and screws.
As a further improvement of the through-type rotary angle valve of the present invention, the through-type rotary angle valve further comprises a positioning ring piece; the water-passing end head is provided with a hollow cylindrical outward-expanding end, and the outward-expanding end is provided with an external thread; the water-passing end head penetrates through the positioning ring piece and is abutted against the positioning ring piece through the outward expansion end; one end of the valve shell is provided with an internal thread which is in threaded connection with the outward expansion end of the water through end; the end face of the outward expansion end abuts against the first soft gasket.
As a further improvement of the through-type rotary angle valve of the present invention, the through-type rotary angle valve further includes a filter cartridge installed in the valve housing behind the second soft gasket.
The invention has the beneficial effects that: the straight-through type rotation angle valve is provided with a tightly overlapped valve core structure, and comprises a first soft gasket and a second soft gasket which are arranged on two sides of a valve core consisting of a first ceramic chip and a second ceramic chip, wherein the two sides of the valve core are in soft extrusion contact so as to ensure the tight fit of the first ceramic chip and the second ceramic chip. The rotary angle valve can still keep the original precise structure and function after long-time use, and is not easy to cause the condition of water leakage due to structural deviation and structural precision reduction
Drawings
Fig. 1 is an external structural view of an embodiment of a straight-through type rotary angle valve.
Fig. 2 is an exploded view of the straight-through rotary angle valve of fig. 1.
Fig. 3 is a cross-sectional view of the straight-through rotary angle valve of fig. 1.
Fig. 4 is a perspective view showing a valve housing of the straight-through type rotary angle valve of fig. 1.
Fig. 5 is a structural view in which the first ceramic sheet, the second ceramic sheet, and the third ceramic sheet are stacked one on another.
Fig. 6 is a schematic structural view of three ceramic plates which are stacked and installed in the valve casing and the screw extends out of the circumferential hole.
Fig. 7 is a schematic view of another embodiment of a straight-through rotary angle valve including a filter cartridge.
Reference numerals: the water-supply device comprises a valve casing 1, a first groove 101, a circumferential hole 102, a third groove 103, an O-shaped ring hole 104, a water-supply end 2, a water inlet 201, a rotary sleeve 3, a first soft gasket 4, a first ceramic piece 5, a first protruding block 501, a first fan-shaped opening 502, a second ceramic piece 6, a mounting groove 601, a second fan-shaped opening 602, a second soft gasket 7, a square nut 8, a screw 9, a third ceramic piece 10, a third protruding block 1001, an O-shaped ring 11, a positioning ring piece 12, a filter cylinder 13, a water outlet joint 14 and a water outlet 141.
Detailed Description
Some embodiments of the straight-through type rotary angle valve of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, a straight-through rotary angle valve includes a valve housing 1, a water passage end 2, a rotary sleeve 3, a first soft gasket 4, a first ceramic sheet 5, a second ceramic sheet 6, and a second soft gasket 7. The water-passing end 2 may be a water inlet end or a water outlet end, and is selected as the water inlet end in the embodiment of fig. 1. The first soft gasket 4 and the second soft gasket 7 may be silicone gaskets.
As shown in fig. 2 and 3, the water supply end 2 is a water supply pipe, and has a water inlet 201 at one end, and can be installed in a wall body and screwed and fixed to a water supply pipe buried in the wall body. The other end of the water end 2 is fixedly connected with the valve casing 1, and can be in threaded connection, the front end face of the water end 2 is in seamless pressing fit with the first soft gasket 4, the first ceramic piece 5, the second ceramic piece 6 and the second soft gasket 7 are sequentially and tightly pressed in the valve casing 1 in a laminating manner, and the second soft gasket 7 is tightly pressed on the inner wall of the valve casing 1 in a surrounding manner. Openings which can be communicated with each other are formed in the middles of the first soft gasket 4, the first ceramic piece 5, the second ceramic piece 6 and the second soft gasket 7, namely, in the using process, the openings can be communicated in some states, and water flow can be cut off in other states. Water can only pass through the openings communicated with the middle of the gasket, but cannot pass through the peripheral sides of the first soft gasket 4, the first ceramic plate 5, the second ceramic plate 6 and the second soft gasket 7.
The first ceramic plate 5 is fixed relative to the valve housing 1. Referring to fig. 2, 4 and 5, the fixing manner may be that a first groove 101 is formed on the inner wall surface of the valve housing 1, a first protruding block 501 is formed on the outer circumferential surface of the first ceramic plate 5, and the first protruding block 501 is embedded in the first groove 101. In addition, the fixing mode can also be a mode that a convex block is arranged on the inner wall surface of the valve shell 1, a matched groove is arranged on the outer peripheral surface of the first ceramic plate 5, and the like.
The wall of the valve housing 1 is provided with a circumferential hole 102 penetrating the wall of the valve housing 1, and the circumferential hole 102 is a hole extending around the circumference of the valve housing 1. The rotary sleeve 3 may be a hollow cylinder, which is substantially flush with the valve housing 1 and is connected to the second ceramic plate 6 via the circumferential opening 102. The rotating sleeve 3 is rotated to drive the second ceramic plate 6 to rotate, so that the opening of the second ceramic plate 6 and the opening of the first ceramic plate 5 can be staggered or communicated with each other.
The straight-through type rotary angle valve is provided with a tightly overlapped valve core structure, and comprises a first soft gasket 4 and a second soft gasket 7 which are arranged on two sides of a valve core consisting of a first ceramic wafer 5 and a second ceramic wafer 6, wherein the two sides of the valve core are in soft extrusion contact with each other to ensure the tight joint of the first ceramic wafer 5 and the second ceramic wafer 6, the rotary angle valve also realizes water flow control by driving the second ceramic wafer 6 to rotate relative to the first ceramic wafer 5, the part of the rotary angle valve with higher precision requirement is in the tight joint of the first ceramic wafer 5 and the second ceramic wafer 6, and the high precision requirement of the part can be well realized, so that the rotary angle valve can still keep the original precision structure and function after long-time use, and the situation of water leakage caused by the structure deviation and the structure precision reduction is not easy to occur.
Preferably, the circumferential hole 102 is kidney-shaped, i.e., square in the middle, with semicircular integrated holes at both ends. In the circumferential direction, the angle at which the second ceramic plate 6 can rotate is the angle at which the outer end of the second ceramic plate 6 extends from one end of the circumferential hole 102 to the other end of the circumferential hole, and the central angle of the circumferential hole 102 can be set to 90 °, that is, the maximum angle at which the second ceramic plate 6 can rotate is 90 °, and the second ceramic plate 6 can be rotated back and forth.
As shown in fig. 2, a square mounting groove 601 is formed on the outer periphery of the second ceramic plate 6. The straight-through rotary angle valve further comprises a square nut 8 and a screw 9. As shown in fig. 6, the square nut 8 is inserted into the mounting groove 601, in some embodiments, the shapes of the mounting groove 601 and the nut may not be square, other prisms, cylinders, or other shapes, and the locking may be achieved. The rotating sleeve 3 is provided with a screw hole, the screw 9 passes through the screw hole to be connected to the block nut 8, and the combination of the screw 9 and the block nut 8 passes through the circumferential hole 102. The screw 9 has a nut which abuts against the screw hole. In other embodiments, the square nut 8 may not be provided, but the mounting groove 601 on the outer periphery of the second ceramic plate 6 is directly changed into a protruding block, the protruding block may pass through the circumferential hole 102 and be connected with the screw 9, or the screw 9 and the square nut 8 may not be provided at the same time, the protruding block is provided on the outer periphery of the second ceramic plate 6, and the inner wall of the rotary sleeve 3 is provided with a groove for mutual clamping connection, etc.
Preferably, two central symmetric circumferential holes 102 are provided in the valve housing 1, and in some embodiments, only one circumferential hole 102 may be provided, and the central angle of each circumferential hole 102 is 90 °. On the basis of arranging the two symmetrical circumferential holes 102, two symmetrical square mounting grooves 601 are arranged on the periphery of the second ceramic plate 6; the straight-through type rotation angle valve comprises two sets of square nuts 8 and screws 9 and a combination, and one square nut 8 is installed in each installation groove 601. The rotary sleeve 3 is connected with two square nuts 8 through two screws 9 to drive the second ceramic plate 6.
In some embodiments, the second ceramic plate 6 may also be made of a magnetic material, so that the valve housing 1 may not be provided with the circumferential hole 102, and the rotary sleeve 3 is provided with magnetism to achieve transmission by magnetic attraction to achieve the opening and closing function.
The first soft gasket 4 and the second soft gasket 7 are both circular rings. The first ceramic plate 5 and the second ceramic plate 6 are both circular, and each of the first ceramic plate 5 and the second ceramic plate 6 is provided with two centrally symmetric fan-shaped openings, the first ceramic plate 5 is provided with a first fan-shaped opening 502, the second ceramic plate 6 is provided with a second fan-shaped opening 602, and the central angle of each fan-shaped opening can be set to 60-90 degrees, for example, to 80 degrees. The inner cavity of the valve housing 1 is cylindrical. Preferably, under the condition of not counting square nuts 8 installed on the first protruding block 501 and the second ceramic wafer 6 arranged on the outer peripheral surface of the first ceramic wafer 5, the diameter of the first soft gasket 4, the diameter of the second soft gasket 7, the diameter of the first ceramic wafer 5 and the diameter of the second ceramic wafer 6 are all the same, and the inner cavity side wall of the valve casing 1 is in close contact with each other, so that the stability of the whole structure can be improved.
The straight-through rotation angle valve may further include a third ceramic sheet 10 disposed between the second ceramic sheet 6 and the second soft gasket 7 and closely attached to each other. A third protruding block 1001 is arranged on the outer peripheral surface of the third ceramic plate 10, a third groove 103 is arranged on the inner wall surface of the valve housing 1, and the third protruding block 1001 is embedded in the third groove 103. The third ceramic plate 10 is provided with two fan-shaped openings having the same direction as the opening of the first ceramic plate 5.
The straight-through type rotation angle valve adopts a ceramic water sealing structure, and the rotation angle valve has good water sealing effect and can keep a smooth state after long-term use due to the characteristics of hard material, high surface smoothness, long service life, little water pollution and the like of the ceramic. When the rotation angle valve comprising two or three ceramic plates is detected to be at 0.1MPa water pressure, the flow rate of the rotation angle valve reaches 38.4L/min (the large flow rate required by the pulse type intelligent closestool reaches 26L/min at 0.2MPa water pressure), and the rotation angle valve is far larger than the flow rate of the rotation angle valve on the market.
O-ring holes 104 are provided in the outer wall surface of the valve housing 1 on both sides of the circumferential hole 102. The straight-through type rotary angle valve further includes two O-rings 11 installed in the two O-ring holes 104, respectively. The valve housing 1 and the rotary sleeve 3 are abutted against each other by two O-rings 11. The O-shaped ring 11 is coated with silicone oil, so that the rotation of the rotary sleeve 3 is not blocked and has damping feeling, and excessive displacement change is not generated.
The straight-through rotary angle valve further comprises a positioning ring plate 12. The water-passing end 2 is provided with a hollow cylindrical outward-expanding end, and the side surface of the outward-expanding end is provided with an external thread. The water end head 2 penetrates through the positioning ring piece 12 and is abutted against the positioning ring piece 12 through the outward expansion end. One end of the valve shell 1 is provided with an internal thread, and the outer expansion end of the water end 2 is in threaded connection. The end face of the outward expansion end is seamlessly pressed on the first soft gasket 4, so that the first soft gasket 4, the first ceramic piece 5, the second ceramic piece 6 and the second soft gasket 7 are sequentially and tightly laminated and pressed in the valve casing 1.
The valve casing 1, the water-passing end 2, the rotary sleeve 3 and the positioning ring piece 12 can be made of copper or stainless steel.
As shown in fig. 7, in some embodiments, the through-type rotary angle valve further includes a filter cartridge 13, and the filter cartridge 13 is installed in the valve housing 1 behind the second soft gasket 7.
As shown in fig. 7, in some embodiments, the valve housing 1 further includes a water outlet connector 14 with a 90 ° structure for changing the water outlet direction, and the water outlet 141 of the water outlet connector 14 may be 4 taps or 6 taps.
The ceramic valve core structure can be applied to angle valves, and can also be applied to devices such as water taps, shower taps, pipe connectors, valves and the like.
The above-described embodiments are merely exemplary in order to better enable those skilled in the art to understand the present invention, and should not be construed as limiting the scope of the claimed invention. Any equivalent alterations or modifications made in accordance with the spirit of the present disclosure are within the scope of the present invention as claimed.
Claims (10)
1. A straight-through rotary angle valve characterized by: the device comprises a valve shell, a water-passing end, a rotary sleeve, a first soft gasket, a first ceramic piece, a second ceramic piece and a second soft gasket; the valve housing has a cylindrical cavity; the first ceramic piece and the second ceramic piece are both round; the water-passing end is fixedly connected with the valve casing, and the water-passing end is in seamless butt joint with the first soft gasket, so that the first soft gasket, the first ceramic piece, the second ceramic piece and the second soft gasket are sequentially and tightly laminated and pressed in the cylindrical cavity of the valve casing; the first soft gasket, the first ceramic piece, the second ceramic piece and the second soft gasket are all provided with openings which can be communicated with each other;
the first ceramic plate and the valve shell are relatively fixed; a penetrating circumferential hole is formed in the wall of the valve shell; the rotary sleeve is sleeved outside the valve shell and is connected with the second ceramic plate through the circumferential hole; rotate the swivel sleeve drives the second potsherd closely laminates the cylindrical cavity of valve casing rotates, makes the opening of second potsherd with the opening of first potsherd can stagger each other or communicate each other.
2. A straight-through rotary angle valve according to claim 1, characterized in that: the first soft gasket and the second soft gasket are both circular rings.
3. A straight-through rotary angle valve according to claim 1, characterized in that: the first ceramic plate and the second ceramic plate are respectively provided with two fan-shaped openings with centrosymmetry, and the central angle of each fan-shaped opening is 60-90 degrees.
4. A straight-through rotary angle valve according to claim 1, characterized in that: the inner wall surface of the valve casing is provided with a first groove, the outer peripheral surface of the first ceramic piece is provided with a first protruding block, and the first protruding block is embedded into the first groove.
5. A flow-through rotary angle valve according to any one of claims 1 to 4, characterized in that: the periphery of the second ceramic plate is provided with a square mounting groove; the straight-through rotary angle valve also comprises a square nut and a screw; the square nut is embedded into the mounting groove; a screw hole is formed in the rotating sleeve, the screw penetrates through the screw hole and is connected to the square nut, and the combination of the screw and the square nut penetrates through the circumferential hole; the screw is provided with a nut which is abutted against the screw hole.
6. A flow-through rotary angle valve according to any one of claims 1 to 4, characterized in that: the straight-through type rotary angle valve also comprises a third ceramic chip which is arranged between the second ceramic chip and the second soft gasket and mutually and tightly connected; a third protruding block is arranged on the outer peripheral surface of the third ceramic piece, a third groove is formed in the inner wall surface of the valve casing, and the third protruding block is embedded into the third groove; and the third ceramic piece is provided with an opening opposite to the opening of the first ceramic piece.
7. A flow-through rotary angle valve according to any one of claims 1 to 4, characterized in that: o-shaped ring holes are formed in the outer wall surface of the valve shell and positioned on two sides of the circumferential hole; the straight-through rotary angle valve further comprises two O-shaped rings which are respectively arranged in the two O-shaped ring holes, and the valve shell and the rotary sleeve are mutually abutted through the two O-shaped rings.
8. A straight-through rotary angle valve according to claim 5, wherein: the valve shell is provided with two centrosymmetric circumferential holes; the periphery of the second ceramic plate is provided with two symmetrical square mounting grooves; the straight-through type rotation angle valve comprises two groups of square nuts and screws, and one square nut is arranged in each mounting groove; the rotating sleeve is connected with the second ceramic plate through two groups of square nuts and screws.
9. A flow-through rotary angle valve according to any one of claims 1 to 4, characterized in that: the straight-through rotary angle valve also comprises a positioning ring sheet; the water-passing end head is provided with a hollow cylindrical outward-expanding end, and the outward-expanding end is provided with an external thread; the water-passing end head penetrates through the positioning ring piece and is abutted against the positioning ring piece through the outward expansion end; one end of the valve shell is provided with an internal thread which is in threaded connection with the outward expansion end of the water through end; the end face of the outward expansion end abuts against the first soft gasket.
10. A straight-through rotary angle valve according to any one of claims 1 to 3, characterized in that: the through-type rotary angle valve further comprises a filter cartridge installed in the valve housing behind the second soft gasket.
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| CN114001169B (en) | 2024-02-02 |
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