CN2476688Y - Multi-channel valve - Google Patents
Multi-channel valve Download PDFInfo
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- CN2476688Y CN2476688Y CN 01204537 CN01204537U CN2476688Y CN 2476688 Y CN2476688 Y CN 2476688Y CN 01204537 CN01204537 CN 01204537 CN 01204537 U CN01204537 U CN 01204537U CN 2476688 Y CN2476688 Y CN 2476688Y
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Abstract
The utility model relates to a valve, the valve body takes a shape of a taper, the internal valve body takes a shape of a taper used for being closely matched with the valve body, a section of the valve body has a reducing tee, namely, one of the two passages which have the same center line, the diameter near the assembly place of the three passages is smaller then the other diameters, the other sections have a two-way and a three-way, etc, a plurality of passages matched with the passage of the valve body are arranged at the valve seat, the communications and the cuts or switching the pressing and the absorbing of a plurality of passages are finished by a valve.
Description
The utility model relates to a kind of multiple valve, particularly by the rotation of valve body form different passages break-make and (or) press and absorb the valve that changes.
Existing control valve unit is two-way valve, three-way valve or four-way valve, if will be used in combination by several valves when surpassing four passage break-makes, this causes the trouble of operation on the one hand, need work in coordination with because of the action of several valves on the other hand, manual operations is prone to operate miss and infringement equipment, as adopt Automatic Control then cost rise significantly.One of typical example is the control valve unit of softener.Softening of water and tree refer to that the conversion of regenerating carries out as method by hand, and troublesome poeration then is as adopting device for automatically controlling, then equipment price costliness.In addition, all at present valves all do not have to press the function of absorbing, and will increase other vacuum pumping device as vacuumizing then.
The purpose of this utility model provides the improved valve of a class, valve body is taper, the valve seat inboard is and the close-fitting taper of valve body, on the cross section of valve body reducing tee is arranged, promptly have in the two passes of identical central line, diameter has two logical and threeways etc. less than other parts on other cross section near three-aisled junction, many passages that cooperate with valve channel are arranged on valve seat, by a valve finish many passages through and off and (or) press to absorb and change.
The purpose of this utility model is achieved in that valve body and valve seat all have many passages, on the cross section of valve or on a plurality of parallel cross section, or angle has two logical, threeway, four-way, six logical, reducing tee etc. less than on 15 ° the cross section on the valve body in twos.The characteristics of reducing tee are that the internal diameter of passage is not exclusively the same, the part of undergauge are arranged, the part that promptly has internal diameter to diminish gradually or diminish suddenly therebetween.Reducing tee can be used for pressing to absorb changing, and makes softener carry out softening of water and resin regeneration easily, also can be used as shower and vacuum pump, and membrane module is moved easily, cleans and sterilization.On the corresponding cross section many passages are arranged on the valve seat, also can directly connect jet pump, cooperate the passage on the valve body, realize different passages or on-off process and pressure, absorb the process of changing.
Owing to adopt such scheme, just can realize the break-make of many passages with a valve, avoided the loaded down with trivial details and asynchronism of many valves coupling, can realize also that pressure absorbs to change.Whole valve is simple to operate, and function is many, is not prone to misoperation.
Below in conjunction with drawings and Examples the utility model is further specified.
Figure 1A is the axial partial sectional view of two sections multiple valve
Figure 1B is that the two sections multiple valve is along 1-1 line partial sectional view
Figure 1B ' be the two sections multiple valve along 1-1 line section, two logical oblique reaming schematic representation
Figure 1B " be the two sections multiple valve along 1-1 line section, two is perfectly straight to the reaming schematic representation
Fig. 1 C is that the two sections multiple valve is along 2-2 line partial sectional view
Fig. 1 C ' be the two sections multiple valve along 2-2 line section, the oblique reaming schematic representation of reducing tee
Fig. 1 C " be the two sections multiple valve along 2-2 line section, reducing tee is directly to the reaming schematic representation
Fig. 1 D has the axial partial sectional view of two sections multiple valve of tapered channel
Fig. 1 E has the two sections multiple valve of tapered channel along 2-2 line partial sectional view
The vertical partial sectional view of Fig. 2 A three cross section multiple valves
Fig. 2 B three cross section multiple valves are along 1-1 line partial sectional view
Fig. 2 C three cross section multiple valves are along 2-2 line partial sectional view
Fig. 2 D three cross section multiple valves are along 3-3 line partial sectional view
Fig. 2 B ' three cross section multiple valves are along 1-1 line section, the oblique reaming schematic representation of equal tee
" three cross section multiple valves are along 1-1 line section, and equal tee is directly to the reaming schematic representation for Fig. 2 B
Fig. 2 D ' three cross section multiple valves are along 3-3 line section, the oblique reaming schematic representation of reducing tee
" three cross section multiple valves are along 3-3 line section, and reducing tee is directly to the reaming schematic representation for Fig. 2 D
The related relational term of the utility model is made following regulation: 1) every two plane parallel that relate to, then Two plane included angles less than 15 ° also at the claim range; 2) every relate to two center lines for Straight line, then two center line angles are less than 15 °, or two center lines parallel and they distance less than 15 millimeters also at the claim range; 3) every to relate to two straight lines vertical, and then two included angle of straight line are 80 ° between 100 ° also at the claim range; 4) every two straight lines that relate to intersect at and cut open (cutting) The round heart of face, then intersection point with cut open the round heart of (cutting) face apart from less than 10 millimeters also at the claim range; 5) every passage internal diameter that relates to equates, then the passage maximum inner diameter is not more than 2 also in power with the ratio of minimum diameter Within the sharp claimed range; 6) every when relating to reducing tee, refer to that all straight channel reducing tee and taper are logical Two kinds of forms of road reducing tee, the reducing tee reaming also refers to the reaming of these two kinds of form reducing tees.
With reference to Figure 1A, Figure 1B, Figure 1B ', Figure 1B ", Fig. 1 C, Fig. 1 C ', Fig. 1 C ", Fig. 1 D, Fig. 1 E.Valve seat [2] and valve body [3] closely cooperate.Two cross sections on the valve, along 1-1 line section and parallel to each other along 2-2 line section, or this two plane included angle is less than 15 °.Along on the 1-1 line section (Figure 1B), have on the valve seat [2] upwards, to the right, downward three passages [17], [13], [12].The center line of the center line of passage [17] and passage [12] is same straight line, or the center line angle of the center line of passage [17] and passage [12] is less than 15 °, or the center line of the center line of passage [17] and passage [12] is parallel to each other, and distance is less than 15 millimeters.The center line of the center line of passage [13] and passage [17] and [12] is orthogonal, or the center line angle of the center line of passage [13] and passage [17] and [12] is between 80 ° to 100 °.Along on the 1-1 line section, it is 80 ° to 100 ° two circulation passage [15] that one two outlet [14], [16] phase difference are arranged on the valve body.Can make two outlets [14], [16] of two logical [15] facing to valve seat upper channel [13] and passage [17], also can face toward passage [12] and passage [13] respectively respectively by rotation.Be not more than 2 at ratio along each passage maximum inner diameter on 1-1 line section upper valve body and the valve seat and minimum diameter.
Along (Fig. 1 C) on the 2-2 line section, have on the valve seat [2] upwards, left, downward three passages [9], [11], [1], the center line of the center line of passage [9] and passage [1] is a same straight line, or the center line angle of the center line of passage [9] and passage [1] is less than 15 °, or the center line of the center line of passage [9] and passage [1] is parallel to each other, and distance is less than 15 millimeters.The center line of the center line of passage [11] and passage [9], [1] is orthogonal, or the center line angle of the center line of passage [11] and passage [9] and [1] is between 80 ° to 100 °.Reducing tee [5] is arranged on the valve body [3], and the center line of the passage [8] of reducing tee [5], [6], [4] is a same straight line, or three center lines in twos angle less than 15 °.The center line of passage [10] is perpendicular to the center line of [8], [6], [4], or the center line angle of the center line of passage [10] and [8], [6], [4] is between 80 ° to 100 °.The maximum inner diameter of passage [9], [11], [1], [8], [10], [4] is not more than 2 with the ratio of minimum diameter, passage [6] is between passage [8] and passage [10], its internal diameter is 1/10 to 9/10 of passage [a 8] internal diameter, optimum range is, the internal diameter of passage [6] is 1/3 to 2/3 of passage [a 8] internal diameter, and optimum is that the internal diameter of passage [6] is 1/2 of passage [a 8] internal diameter.In Fig. 1 C, the part of passage [10] between passage [6] and passage [4] can be made the shape of cuboid, its axial dimension is equal to or slightly less than the internal diameter of passage [11], it is 1/5 to 4/5 of passage [11] internal diameter that cross section (Fig. 1 C) is gone up high size, optimum range is 2/5 to 3/5, the size of left and right directions is, right-hand low order end to passage [10], and left is to the left hand edge of passage [8] and passage [4] or the summary left hand edge above passage [8] and passage [4].
Figure 1B and Fig. 1 C are a kind of relative positions of two sections multiple valve cross section, and promptly the position in cross section can exchange.The structure relativeness in two cross sections of valve is any phase relationship, as long as on Figure 1B cross section, when two mouths [16] of valve body upper channel [15], [14] are connected valve seat upper channel [17], [13] respectively, on Fig. 1 C cross section, valve body upper channel [8], [10], [4] are connected valve seat upper channel [9], [11], [1] respectively and are got final product.The position, the left and right sides in two cross sections can be changed.It is more smooth that the jointing [7] of passage [8] and [6] is done as far as possible, to reduce resistance.
At Figure 1B, can carry out some changes on the basis of Fig. 1 C.Figure 1B ', Fig. 1 C ' and Figure 1B ", Fig. 1 C " are two groups of modes of changing, and its purpose is that other path is still unimpeded after the tap water incoming road is blocked.
What Figure 1B ', Fig. 1 C ' showed is a kind of change mode, passage [14] and [16] of two logical [15], passage [10] and [4] of reducing tee [5] are all distinguished in the counterclockwise direction, or all expanding inclined hole (dotted line is former hole site) along clockwise direction, the arc length that makes the arc [19] that expands, [21], [23], [25] is respectively 0.1 to 2.0 times of arc length of former arc [18], [20], [22], [24].Better scope is 0.5-1.5 times, and the most frequently used scope is 1 times.The axial dimension in hole is constant.
Figure 1B ", Fig. 1 C " is that parallel former passage reaming forms on the basis of Figure 1B, Fig. 1 C.Passage [14] and [16] of two logical [15], passage [10] and [4] of reducing tee [5] are all distinguished in the counterclockwise direction, or all be parallel to former passage reaming along clockwise direction, axial size constancy after the reaming, and the cross section duct enlarges (dotted line is former hole site), the arc length that expands the arc [26], [27], [28] that part, [29] is respectively former arc [18], [20], [22], [24] arc length 0.1 to 2.0 times, better scope be 0.5-1.5 doubly, the most frequently used scope is 1 times.
Fig. 1 D and Fig. 1 E are respectively the two sections multiple valves, the fragmentary axial cross-section after the form of the passage of reducing tee and valve seat upper channel [1] changes on the valve body and along the sectional view of 2-2 line.The passage of Fig. 1 C [8], [6] are changed into tapered channel [30] among Fig. 1 D, Fig. 1 E, and its internal diameter suitable for reading equates that with passage [9] internal diameter the end opening internal diameter is 1/10 to 9/10 with the ratio of internal diameter suitable for reading, and optimum range is 1/3 to 2/3, and optimum is 1/2.Passage [1] on Fig. 1 C valve seat changes the biconial passage among Fig. 1 D, Fig. 1 E into.The internal diameter suitable for reading of tapered channel [31] equates and equals the internal diameter of passage [4] with the end opening internal diameter of tapered channel [33].The end opening of tapered channel [31] and tapered channel [33] suitable for reading is intersected in reducing [32], and the internal diameter of reducing [32] is that 1/10 to 9/10 optimum range of passage [4] internal diameter is 3/4 to 5/6.
Passage [17], [13], [12], [9], [11], [1], [31] can be in casting casting on valve seat [2], also available welding, bonding, mode such as be threaded are connected on the valve seat [2].
As the passage among Fig. 1 [9] is connect tap water, passage [11] connects hot water tank, and passage [1] connects shower fitting spray nozzle, then is the embodiment of shower.As the passage among Fig. 1 C [9] is connect tap water, passage [11] connects the container that will vacuumize, and then can be used as jet pump and uses.
As only using as shower or jet pump, then the two sections multiple valve left side two logical parts can save.Add and only process reducing tee and relevant portion thereof man-hour.
Figure 2 shows that three cross section multiple valves, three rows passage arranged side by side is arranged on the valve body, one of them is two circulation passage, and two is three circulation passage.Fig. 2 A is axial sectional view, and Fig. 2 B is along 1-1 line sectional view, and Fig. 2 B ', Fig. 2 B " are the improvement of Fig. 2 B; Fig. 2 C is along 2-2 line sectional view; Fig. 2 D is along 3-3 line sectional view, and Fig. 2 D ', Fig. 2 D " are the improvement of Fig. 2 D.On the section, there is passage [7] on the valve seat right side shown in Fig. 2 B, and passage [3] is arranged below, and passage [7] is orthogonal with the center line of passage [3], or the center line angle of passage [7] and passage [3] is between 80 ° to 100 °.In the 1-1 cross section, the passage [4] of threeway on the valve body [5] and the center line of [6] are same straight line, or the center line angle of passage [4] and [6] is orthogonal less than the center line of the center line of 15 ° of passages [8] and passage [4], [6], or the center line angle of the center line of passage [8] and passage [4], [6] is between 80 ° to 100 °.On the section, valve seat [2] has passage [13] to the right, downward passage [9] shown in Fig. 2 C.Valve body [1] has one or two logical [11] in the position of 2-2 section, its two outlets [10], [12] phase difference are between 80 ° to 100 °.3-3 section upper valve base left, right-hand, below passage [19], [18], [14] are arranged respectively; In the position of 3-3 section reducing tee [16], the center line of its passage [20], [21], [17] being arranged on the valve body is same straight line, or the center line of passage [20], [21], [17] in twos angle less than 15 °.The center line of passage [15] is vertical with the center line of passage [20], [21], [17], or the center line angle of the center line of passage [15] and passage [20], [21], [17] is between 80 ° to 100 °.Passage [21] is a thin footpath passage, and its internal diameter is 1/10 to 9/10 of passage [20], [17], [15] internal diameter, and optimum range is 1/3 to 2/3, and usual range is 1/2.Its length is that 0.01mm is to 10mm.The phase relationship of three cross section structures is arbitrarily among Fig. 2, as long as the passage [4], [8] that rotate to threeway [5] when valve body respectively with valve base channel [3], [7] when aliging, two logical .1] two passages [10], [12] align with valve base channel [9], [13] respectively, align and get final product with valve base channel [19], [18], [14] respectively in the passage [20] of reducing tee [16], [17], [15].
Design in addition is at Fig. 2 B, is improved forming on Fig. 2 D basis.Two passes [4], [8] of the threeway [5] of Fig. 2 B upper valve body, all (being clockwise on the figure) and former passage expand inclined hole at angle or are parallel to former passage reaming counterclockwise clockwise or all for three passages [20] of the threeway of Fig. 2 D [16], [17], [15], the outer arc that makes the expansion in hole go out part is 0.1 to 1.5 times of foramen primum outer arc length, optimum range is 0.9-1.1 times, and optimum is 1 times.As Fig. 2 B ', Fig. 2 B ", Fig. 2 D ', Fig. 2 D " shown in, dotted line is the foramen primum line of position.During reaming, the axial dimension in hole is constant.
The valve body of above-mentioned all valves and valve base chamber all can add the teflon lining, to improve sealability.
Claims (8)
1, a kind of valve of forming by valve body and valve seat, it is characterized in that: valve body is taper, the valve seat inboard is and the close-fitting taper of valve body, on the cross section of valve body reducing tee is arranged, promptly has in the two passes of identical central line, three-aisled assemble the place near diameter less than other parts, on other cross section, have two logical, threeway, four-way, six to lead to, many passages that cooperate with valve channel are arranged on valve seat.
2,, it is characterized in that by the described valve of claim 1: every two plane parallel that relate to, then two plane included angles less than 15 ° also within the claim scope; Every to relate to two center lines be same straight line, and then two center line angles are less than 15 °, or parallel and their distance of two center lines less than 15 millimeters also within the claim scope; It is every that to relate to two straight lines vertical, then two included angle of straight line between 80 ° to 100 ° also within the claim scope; Every two straight lines that relate to intersect at the round heart in cross section, then the round heart in intersection point and cross section distance less than 10 millimeters also within the claim scope; Every passage internal diameter that relates to equates that then the passage maximum inner diameter is not more than 2 also within the claim scope with the ratio of minimum diameter; Every when relating to reducing tee, all be meant two kinds of forms of straight passage reducing tee and tapered channel reducing tee, the reducing tee reaming also refers to the reaming of these two kinds of form reducing tees.
3, by claim 1,2 described valves, it is characterized in that: valve seat 2 and valve body 3 closely cooperate, two cross sections on the valve, along 1-1 line section and parallel to each other along 2-2 line section, or this two plane included angle is less than 15 °, along on the 1-1 line section, have on the valve seat 2 upwards, to the right, downward three passages 17,13,12, the center line of the center line of passage 17 and passage 12, be same straight line, or the center line angle of the center line of passage 17 and passage 12 is less than 15 °, or the center line of the center line of passage 17 and passage 12 is parallel to each other, distance is less than 15 millimeters, the center line of the center line of passage 13 and passage 17 and 12 is orthogonal, or the center line angle of the center line of passage 13 and passage 17 and 12 is between 80 ° to 100 °, along on the 1-1 line section, one two outlet 14 is arranged on the valve body, 16 phase differences are 80 ° to 100 ° two circulation passage 15, be not more than 2 at ratio along each passage maximum inner diameter on 1-1 line section upper valve body and the valve seat and minimum diameter, along on the 2-2 line section, have on the valve seat 2 upwards, left, downward three passages 9,11,1, the center line of the center line of passage 9 and passage 1 is a same straight line, or the center line angle of the center line of passage 9 and passage 1 is less than 15 °, or the center line of the center line of passage 9 and passage 1 is parallel to each other, distance is less than 15 millimeters, the center line of passage 11 and passage 9,1 center line is orthogonal, or the center line angle of the center line of passage 11 and passage 9 and 1 is between 80 ° to 100 °, reducing tee 5 is arranged on the valve body 3, the passage 8 of reducing tee 5,6,4 center line is a same straight line, or three center lines in twos angle less than 15 °, the center line of passage [10] is perpendicular to 8,6,4 center line, or the center line of path 10 and 8,6,4 center line angle is between 80 ° to 100 °, passage 9,11,1,8,10,4 maximum inner diameter is not more than 2 with the ratio of minimum diameter, passage 6 is between passage 8 and path 10, its internal diameter is 1/10 to 9/10 of passage 8 internal diameters, optimum range is, the internal diameter of passage 6 is 1/3 to 2/3 of passage 8 internal diameters, optimum is that the internal diameter of passage 6 is 1/2 of passage 8 internal diameters, the part of path 10 between passage 6 and passage 4 can be made the shape of cuboid, its axial dimension is equal to or slightly less than the internal diameter of passage 11, high size is 1/5 to 4/5 of passage 11 internal diameters on the cross section, optimum range is 2/5 to 3/5, the size of left and right directions is, right-hand low order end to path 10, left is to the left hand edge of passage 8 and passage 4 or slightly above the left hand edge of passage 8 and passage 4.
4, by claim 1,2,3 described valves, it is characterized in that: the position of multiple valve cross section is relative, the position, the left and right sides that is the cross section can exchange, the structure relativeness in two cross sections of valve is any phase relationship, as long as two mouths 16,14 of valve body upper channel 15 were connected the valve seat upper channel respectively at 17,13 o'clock, valve body upper channel 8,10,4 is connected valve seat upper channel 9,11,1 respectively and is got final product, and it is smooth that passage 8 and 6 jointing 7 are done as far as possible.
5, by claim 1,2 described valves, it is characterized in that: two logical 15 passage 14 and 16, the path 10 of reducing tee 5 and 4 is all distinguished in the counterclockwise direction, or all expand inclined hole (dotted line is former hole site) along clockwise direction, the arc length that makes the arc 19,21,23,25 that expands is respectively 0.1 to 2.0 times of arc length of former arc 18,20,22,24, better scope is 0.5-1.5 times, and the most frequently used scope is 1 times, and the axial dimension in hole is constant.
6, by claim 1,2 described valves, it is characterized in that: passage 14 and 16 two logical 15, the path 10 of reducing tee 5 and 4 is all distinguished in the counterclockwise direction, or all be parallel to former passage reaming along clockwise direction, axial size constancy after the reaming, and the cross section duct enlarges (dotted line is former hole site), the arc length that expands the arc 26,27,28,29 that part is respectively 0.1 to 2.0 times of former arc 18,20,22,24 arc length, better scope is 0.5-1.5 times, and the most frequently used scope is 1 times.
7, by claim 1,2,3 described valves, it is characterized in that: valve body upper channel 8,6 changes tapered channel 30 into, its internal diameter suitable for reading equates with passage 9 internal diameters, the end opening internal diameter is 1/10 to 9/10 with the ratio of internal diameter suitable for reading, optimum range is 1/3 to 2/3, and optimum is 1/2, and the passage on the valve seat [1] changes the biconial passage into, the end opening of tapered channel 31 and tapered channel 33 suitable for reading is intersected in reducing 32, and the internal diameter of reducing 32 is that 1/10 to 9/10 optimum range of passage 4 internal diameters is 3/4 to 5/6.
8, by claim 1,2 described valves, it is characterized in that: three cross section multiple valves, three rows passage arranged side by side is arranged on the valve body, one of them is two circulation passage, two is three circulation passage, there is passage 7 on the valve seat right side, passage 3 is arranged below, passage 7 is orthogonal with the center line of passage 3, or the center line angle of passage 7 and passage 3 is between 80 ° to 100 °, the passage 4 of threeway 5 on the valve body and 6 center line are same straight line, or the center line angle of passage 4 and 6 is less than 15 °, the center line of passage 8 and passage 4,6 center line is orthogonal, or the center line of passage 8 and passage 4,6 center line angle is between 80 ° to 100 °, valve seat 2 has passage 13 to the right, downward passage 9, valve body 1 has one or two logical 11, its two outlets 10,12 phase differences are between 80 ° to 100 °, the valve seat left, right-hand, the below has passage 19 respectively, 18,14, reducing tee 16 is arranged on the valve body, its passage 20,21,17 center line is a same straight line, or passage 20,21,17 center line in twos angle less than 15 °, the center line of passage 15 and passage 20,21,17 center line is vertical, or the center line of passage 15 and passage 20,21,17 center line angle is between 80 ° to 100 °, passage 21 is thin footpath passages, its internal diameter is a passage 20,17,1/10 to 9/10 of 15 internal diameters, optimum range is 1/3 to 2/3, and usual range is 1/2, and its length is that 0.01mm is to 10mm.The phase relationship of three cross section structures is arbitrarily, as long as rotate to the passage 4 of threeway 5 when valve body, 8 respectively with valve base channel 3, during 7 alignment, two path 10s of two logical 11,12 respectively with valve base channel 9,13 alignment, the passage 20 of reducing tee [16], 17,15 respectively with valve base channel 19,18,14 alignment get final product, design in addition is, the two passes 4 of the threeway 5 of valve body, 8, three passages 20 of threeway 16,17,15 all expand inclined hole at angle or are parallel to former passage reaming with former passage counterclockwise clockwise or all, the outer arc that makes the expansion in hole go out part is 0.1 to 1.5 times of foramen primum outer arc length, optimum range is 0.9-1.1 times, optimum is 1 times, during reaming, the axial dimension in hole is constant, and the valve body of all valves and valve base chamber all can add the teflon lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01204537 CN2476688Y (en) | 2001-02-28 | 2001-02-28 | Multi-channel valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01204537 CN2476688Y (en) | 2001-02-28 | 2001-02-28 | Multi-channel valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2476688Y true CN2476688Y (en) | 2002-02-13 |
Family
ID=33625747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01204537 Expired - Fee Related CN2476688Y (en) | 2001-02-28 | 2001-02-28 | Multi-channel valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2476688Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453866C (en) * | 2003-02-14 | 2009-01-21 | 吴光夏 | Valve possessing network type a sealing gasket |
| CN101349361B (en) * | 2008-09-04 | 2010-12-01 | 天津渤海高科科技有限公司 | Multi-channel switch five-way valve |
| CN103148242A (en) * | 2013-03-07 | 2013-06-12 | 安庆泰邦机械科技有限责任公司 | Two-position six-way quick switching valve |
| CN103883513A (en) * | 2014-04-18 | 2014-06-25 | 湖南德尚源耐磨工业有限公司 | Multi-channel wear-resisting type mortar pump valve with self-compensating device |
| CN107940034A (en) * | 2017-12-19 | 2018-04-20 | 广州弘皓电子科技有限公司 | A kind of nine port valve doors |
-
2001
- 2001-02-28 CN CN 01204537 patent/CN2476688Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453866C (en) * | 2003-02-14 | 2009-01-21 | 吴光夏 | Valve possessing network type a sealing gasket |
| CN101349361B (en) * | 2008-09-04 | 2010-12-01 | 天津渤海高科科技有限公司 | Multi-channel switch five-way valve |
| CN103148242A (en) * | 2013-03-07 | 2013-06-12 | 安庆泰邦机械科技有限责任公司 | Two-position six-way quick switching valve |
| CN103883513A (en) * | 2014-04-18 | 2014-06-25 | 湖南德尚源耐磨工业有限公司 | Multi-channel wear-resisting type mortar pump valve with self-compensating device |
| CN107940034A (en) * | 2017-12-19 | 2018-04-20 | 广州弘皓电子科技有限公司 | A kind of nine port valve doors |
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