CN107816561B - Reversing device - Google Patents
Reversing device Download PDFInfo
- Publication number
- CN107816561B CN107816561B CN201610815175.7A CN201610815175A CN107816561B CN 107816561 B CN107816561 B CN 107816561B CN 201610815175 A CN201610815175 A CN 201610815175A CN 107816561 B CN107816561 B CN 107816561B
- Authority
- CN
- China
- Prior art keywords
- hole
- groove
- cavity
- chamber
- communicated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
- F16K11/0716—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides with fluid passages through the valve member
-
- 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
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/42—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
- F16K31/423—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor the actuated members consisting of multiple way valves
- F16K31/426—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor the actuated members consisting of multiple way valves the actuated valves being cylindrical sliding valves
Abstract
The invention discloses a reversing device, which comprises a driven valve body and a driving valve body, wherein the driving valve body comprises a first fixing part, a first through hole, a second through hole and a third through hole which are intersected with the first fixing part, the driven valve body comprises a second fixing part, a fourth through hole, a fifth through hole and a sixth through hole which are intersected with the second fixing part, the reversing device further comprises a first groove and a second groove, the first fixing part and the second fixing part relatively isolate and seal the first groove and the second groove, the first through hole is communicated with the fourth through hole through the first groove, the second through hole is communicated with the sixth through hole through the second groove, and the third through hole is communicated with the fifth through hole. The driven valve body and the driving valve body are relatively integrated, so that the structural strength of the reversing device is favorably improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of control, in particular to a control device for controlling the flow direction of a medium.
[ background of the invention ]
In the field of fluid control, the direction of a medium is often required to be changed, and a reversing device is generally adopted to realize the change of the direction of the medium. At present, a pilot valve is a common reversing device, two valves of the pilot valve are communicated through an external capillary tube, and the external capillary tube is fragile relative to other structures of the pilot valve and is easy to damage in the transportation or installation process. Therefore, there is a need for improvement of the prior art to solve the above technical problems.
[ summary of the invention ]
The invention aims to provide a reversing device which is relatively integrated to improve the structural strength of a product.
In order to realize the purpose, the following technical scheme is adopted: a reversing device comprises a driving valve body and a driven valve body, wherein the driving valve body comprises a driving valve body, the driven valve body comprises a driven valve body, the driving valve body comprises a first fixing part, a first through hole, a second through hole and a third through hole which are intersected with the first fixing part, the driven valve body comprises a second fixing part, a fifth through hole, a sixth through hole and a seventh through hole which are intersected with the second fixing part, the first fixing part and the second fixing part are assembled and fixed, the reversing device further comprises a first groove and a second groove, the first groove and the second groove are located in the mutual fixing area of the first fixing part and the second fixing part, the first groove and the second groove are relatively isolated, the first through hole is communicated with the fourth through hole through the first groove, and the second through hole is communicated with the sixth through hole through the second groove, the third through hole is communicated with the fifth through hole.
Compared with the prior art, the driven valve body and the driving valve body are relatively integrated, and the communicating pipeline of the driving valve body and the driven valve body is arranged in the reversing device, so that the firmness of the reversing device is improved.
[ description of the drawings ]
FIG. 1 is a schematic perspective view of a reversing device;
FIG. 2 is an exploded view of the reversing device of FIG. 1;
FIG. 3 is a schematic view of the reversing device of the first embodiment shown in FIG. 1 in a first operating position;
FIG. 4 is a schematic view of the reversing device of the first embodiment shown in FIG. 1 in a second operating position;
FIG. 5 is an enlarged partial schematic view of FIG. 4;
FIG. 6 is a perspective view of the body of the active valve;
FIG. 7 is a cross-sectional view B-B of the active valve body shown in FIG. 6;
FIG. 8 is a schematic front view of the first valve spool of FIG. 2;
FIG. 9 is a cross-sectional view of the first spool shown in FIG. 8 taken along C-C;
FIG. 10 is a perspective view of the main body shown in FIGS. 1 and 2;
FIG. 11 is a schematic front view of the second spool of FIG. 2;
FIG. 12 is a cross-sectional view of the second spool of FIG. 11 taken along D-D;
FIG. 13 is a schematic view of the reversing device of the second embodiment shown in FIG. 1 in a first operating position;
fig. 14 is a schematic view of the reversing device of the second embodiment shown in fig. 1, in a second operating position.
[ detailed description ] embodiments
Referring to fig. 1-6, fig. 1 is a schematic perspective view of a reversing device; FIG. 3 is a schematic cross-sectional view A-A of the reversing device of FIG. 1, and FIG. 3 is also a schematic view of the reversing device of FIG. 1 in a first operating position; fig. 4 is a schematic cross-sectional view a-a of the reversing device of fig. 1, and fig. 4 is also a schematic view of the reversing device of fig. 1 in a second operating position. A reversing device comprises a driving valve 1 and a driven valve 2, wherein the driving valve 1 and the driven valve 2 are assembled and fixed, and the driven valve 2 can correspondingly switch the flowing direction of media in the driving valve 1 according to the action of the driving valve. The driving valve 1 includes an electromagnetic coil 11, a driving valve body 12, and a first spool 13, the driving valve body 12 includes an upper portion 121 and a first fixing portion 122, the upper portion is away from the driven valve 2 with respect to the first fixing portion, the first fixing portion 122 is in contact with and fixed to the driven valve 2, the upper portion 121 includes a first upper portion 1211, a second upper portion 1212, and a third upper portion 1213, the first upper portion 1211, the second upper portion 1212, and the third upper portion 1213 are substantially planar, and the third upper portion 1213 is raised with respect to the first upper portion 1211 and the second upper portion 1212, or the third upper portion is located above the first upper portion and the second upper portion. The active valve body 12 has an active valve cavity, specifically, the active valve cavity is a first valve cavity 123, the first valve cavity 123 is formed by a first valve hole, the first valve hole is located below the third upper side part, above the second upper side part, the first valve hole is a circular hole whose axis is a straight line, wherein, the axis of the first valve hole is parallel to the horizontal axis of the first fixing part, one end of the first valve hole is open, the open end of the first valve hole is located between the third upper side part and the second upper side part, specifically, the open end of the first valve hole is located on the side wall for connecting the second upper side part and the third upper side part.
Referring to fig. 3 to 7, the active valve body 12 further includes a first through hole 124, a second through hole 125, a third through hole 126 and a fourth through hole 127, the first through hole 124 is adjacent to the seventh through hole 127 relative to the second through hole 125, and the first through hole, the second through hole, the third through hole and the fourth through hole intersect with the first fixing portion. The first through hole, the second through hole and the seventh through hole are linear holes, and the axes of the first through hole, the second through hole and the seventh through hole are parallel to each other and perpendicular to the axis of the first valve cavity. The wall forming the first valve chamber includes an end wall and a side wall, the first through hole, the second through hole and the seventh through hole are respectively provided with an opening communicating with the first valve chamber 123 in the side wall, the openings of the first through hole, the second through hole and the seventh through hole in the side wall are arranged approximately along the long axis of the first valve chamber, specifically, the centers of the openings of the first through hole, the second through hole and the seventh through hole are approximately in the same straight line, and the opening of the seventh through hole is located between the openings of the first through hole and the second through hole. The first, second and seventh through holes are provided with first, second and fourth openings 1241, 1251 and 1271 at the first fixing portion, the centers of the first, second and fourth openings being located substantially at the lateral axis of the first fixing portion. The third through hole 126 is adjacent to the first through hole with respect to the second through hole, and the third through hole 126 includes a first section parallel to the first valve hole and provided with an opening at the end wall through which the third through hole communicates with the first valve chamber, and a second section perpendicular to the first section and provided with a third opening 1261 at a lower side portion. It is understood that the third through hole may be a linear hole, the communication port between the third through hole and the first valve chamber may be provided in the side wall, the opening of the third through hole in the side wall may be relatively adjacent to the first through hole, and the third opening 1261 may be relatively offset from the lateral axis of the first fixing portion.
Specifically referring to fig. 6, the active valve body 12 further includes a first groove 128 and a second groove 129 disposed on the first fixing portion 122, an opening axis of the first groove and an opening axis of the second groove are substantially aligned on the same straight line, and further, the opening axis of the first groove and the opening axis of the second groove substantially coincide with a transverse axis of the first fixing portion. The first groove 128 and the second groove 129 are recessed relative to the surface of the first fixing portion, the first groove and the second groove are arranged at intervals and are not communicated with each other, or a part of the first fixing portion exists between the first groove and the second groove to separate the first groove from the second groove, further, the first groove is axially surrounded by the first fixing portion, and the second groove is surrounded by the first fixing portion. It is understood that the first groove and the second groove may be disposed at an angle or in parallel, but they are not connected. The first through hole is intersected with the first groove, or the first opening is positioned in the first groove and communicated with the first groove, and particularly, the first opening is arranged near the end part of the first groove, which is relatively adjacent to the second groove; the second through hole intersects with the second groove, or the second opening is located in the second groove and communicated with the second groove, specifically, the second opening 1251 is arranged near the end of the second groove relatively adjacent to the first groove; the fourth opening 1271 is positioned on the first fixing part between the first groove and the second groove, the fourth opening is not communicated with the first groove, the fourth opening is not communicated with the second groove, or the fourth opening is circumferentially surrounded by the first fixing part; the third opening 1261 is adjacent to the first groove relative to the second groove, and a part of the first fixing portion exists between the third opening and the first groove, or the part of the first fixing portion separates the first groove from the fourth opening.
Referring to fig. 2 to 9, the first valve element 13 is disposed in the first valve cavity 123, and the first valve element 13 contacts with a sidewall forming the first valve cavity and can slide relative to the main valve body, specifically, the first valve element can slide relative to the first valve hole along an axial direction of the first valve cavity. The first valve core comprises a first boss 131, a second boss 132 and a seventh boss 133, the first boss, the second boss and the seventh boss are arranged at intervals, the seventh boss 133 is located between the first boss and the second boss, the radial cross sections of the first boss, the second boss and the seventh boss are circular surfaces, the radius of the circular surfaces is approximately the same as that of the radial cross section of the first valve cavity, and the first boss, the second boss and the seventh boss are in contact with the side wall forming the first valve cavity to form tight fit; or the diameters of the first boss, the second boss and the seventh boss are smaller than the diameter of the first valve hole, and the first valve core is provided with sealing elements in the axial directions of the first boss, the second boss and the seventh boss, wherein the sealing elements are fixed on the corresponding bosses and are in contact with the first valve hole to form a tight fit if the sealing elements have elastic components. The axial length of the second projection 132 in the first valve core is greater than the axial lengths of the first projection 131 and the seventh projection 133, the first projection is far away from the open end of the first valve hole relative to the second projection, and the second projection passes through the open end of the first valve hole. The fifth concave part 135 is arranged between the first convex part and the seventh convex part of the first valve core, the first concave part 134 is arranged between the second convex part and the third convex part, the radial sections of the first concave part 134 and the fifth concave part 135 can be round surfaces or rectangular surfaces, when the cross section of the concave part is a round surface, the section diameter of the concave part is smaller than that of the adjacent convex part, and when the section of the concave part is a rectangle, the length of the diagonal line of the section is smaller than that of the convex part.
Referring to fig. 3-5, the first protrusion 131, the second protrusion 132 and the third protrusion 133 divide the first valve cavity into a first cavity 1231, a second cavity 1232 and a third cavity 1233, specifically, the first cavity is disposed between the first protrusion and an end wall forming the first valve cavity, the second cavity is disposed between the third protrusion and the second protrusion, the third cavity is disposed between the second protrusion and the first protrusion, or the first recess and a second cavity formed by the corresponding side wall forming the first valve cavity, and the fifth recess and a corresponding side wall forming the first valve cavity form the third cavity. The first bulge is used for relatively separating the third cavity from the first cavity, and the seventh bulge is used for relatively separating the second cavity from the eighth cavity; it will be appreciated that the first chamber is generally cylindrical in shape and that the second and eighth chambers are annular chambers; along with the sliding of the first valve core relative to the valve body of the active valve, the positions of the first cavity, the second cavity and the eighth cavity can be changed, wherein the size of the first cavity can be changed; correspondingly, the communication ports of the first through hole, the second through hole, the seventh through hole and the third through hole and the first valve cavity can be distributed around the axis of the first valve hole, and are not limited to the communication ports being distributed on the same straight line.
Referring to fig. 5 and 9, the first valve core further includes a first communication channel 136, the first communication channel 136 has an opening 1361 at an end wall of the first protrusion, and another opening 1362 is provided between the second protrusion and the seventh protrusion or the first recess, the opening 1362 of the first communication channel faces a side wall forming the first valve chamber, and the first communication channel is respectively communicated with the first chamber and the second chamber through the two openings, or the first chamber and the second chamber are communicated through the first communication channel.
The active valve further comprises an electromagnetic coil 11, the electromagnetic coil is fixed with the active valve body, the electromagnetic coil 11 is located on the side portion where the open end of the first valve cavity is located, one portion of the first valve core 13 is located in the first valve cavity 123, the other portion of the first valve core 13 is located in the electromagnetic coil, specifically, one portion of the second protruding portion 132 is located in the first valve cavity, the other portion of the second protruding portion 132 is located in the electromagnetic coil, and the end portion of the second protruding portion is connected with the spring 14. The power-on and power-off of the electromagnetic coil can drive the first valve core to slide in the first valve cavity, specifically, in the axial direction of the first valve cavity, the first valve core can slide between the first pole and the second pole, after the electromagnetic coil is powered on, the first valve core is under the action of magnetic force, overcomes the spring resistance and finally lies in the first pole, after the electromagnetic coil is powered off, the first valve core only slides under the action of the elastic force of the spring, and the first valve core finally lies in the second pole. When the first valve core is located at the first pole, the eighth cavity 1233 is located above the seventh through hole 127 and the second through hole 125, and the second through hole and the seventh through hole are respectively communicated with the third cavity 1233, or the second through hole is communicated with the seventh through hole through the eighth cavity; in the axial direction of the first valve chamber, the end of the first boss is located between the first through hole and the seventh through hole, the first through hole is communicated with the first chamber, the first through hole is communicated with the third through hole through the first chamber, the second chamber 1232 is sealed by the side wall forming the first valve chamber, and the second chamber is communicated with the first chamber only through the first communicating passage. When the first valve core is located at the second pole, the eighth cavity 1233 is located above the first through hole 124 and the seventh through hole 127, the seventh through hole 127 and the first through hole 124 are respectively communicated with the eighth cavity 1233, or the seventh through hole is communicated with the first through hole through the eighth cavity, the second cavity 1232 is located above the second through hole 125, the second cavity 1232 is communicated with the second through hole 125, or the first cavity is communicated with the second cavity through the first communication channel 136, or the third through hole 126 communicated with the first cavity 1231 is communicated with the second through hole 125 through the first communication channel 136.
Referring to fig. 1-4 and 10-12, the driven valve includes a driven valve body 21, a connecting seat 22, a communicating pipe 23 and a second valve core 24, the driven valve body 21 includes an end cover 211 and a main body 212, wherein the end cover 211 includes a first end cover and a second end cover, in this embodiment, the main body is a circular pipe, and two ends of the main body 212 are sealed by the first end cover and the second end cover. The driven valve has a driven valve chamber, specifically, the driven valve chamber is a second valve chamber 214, and the wall portion forming the second valve chamber includes the inner wall of the main body portion and the side wall of the end cover. The main body further includes a second fixing portion 2120, in the present invention, the second fixing portion refers to a portion of an outer surface of the main body, and the shape and size of the second fixing portion are substantially the same as those of the first fixing portion, and the assembling and fixing of the driving valve body and the driven valve body refers to fixing the first fixing portion and the second fixing portion by welding, bonding, and the like. After the assembly, the first fixing part and the second fixing part are tightly combined, and the first groove and the second groove are sealed by the first fixing part and the second fixing part to form a cavity which is not communicated relatively and can be used for medium circulation. In the second fixing part region, the main body 212 further includes a fourth through hole 2121, a fifth through hole 2122, a sixth through hole 2123 and an eighth through hole 2124 which penetrate through the wall of the main body and are communicated with the second valve cavity 214, after the first fixing part and the second fixing part are assembled, the fourth through hole faces the first groove and is communicated with the first groove, the sixth through hole faces the second groove and is communicated with the second groove, the fifth through hole and the third opening are oppositely arranged, the eighth through hole is communicated with the seventh opening, and more recently, the diameters of the eighth through hole and the seventh opening are the same and are coaxially arranged; the fifth through hole is opposite to the third opening and is communicated with the third opening, and more closely, the fifth through hole and the third opening have the same diameter and are coaxially arranged. In other embodiments, bosses with holes are arranged on the peripheries of the fifth through hole and the eighth through hole of the driven valve body, correspondingly, grooves are also arranged on the third opening and the seventh opening of the driving valve body, and the bosses and the grooves are installed in a matched mode; or bosses with holes are arranged on the third through hole and the seventh through hole of the driving valve body, grooves are correspondingly arranged on the fifth through hole and the eighth through hole of the driven valve body, and the bosses and the grooves are installed in a matched mode, so that the welding surface is increased, the welding strength is enhanced, and the positioning and installation of the driven valve body and the driving valve body are facilitated.
The driven valve body further comprises a ninth through hole 2125, a tenth through hole 2126, an eleventh communication hole 2127 and a twelfth through hole 2128, wherein the ninth through hole 2125, the tenth through hole 2126, the eleventh through hole and the twelfth through hole are approximately positioned on the opposite sides of the fifth through hole, the sixth through hole, the seventh through hole and the eighth through hole, the centers of circles of the ninth through hole 2125, the tenth through hole 2126, the eleventh through hole 2127 and the twelfth through hole 2128 are approximately on the same straight line, and the straight line where the centers of circles are positioned is parallel to the long axis of the main body part 212. Communication pipe 23 includes first communication pipe 231, second communication pipe 232, third communication pipe 233, and fourth communication pipe 234, and the inner diameters of the communication pipes are substantially the same. The communication pipe communicates with the ninth through hole 2125, the tenth through hole 2126, the eleventh communication hole 2127, and the twelfth through hole 2128, and communicates with the second valve chamber. Specifically, the outer diameter of the communicating pipe is smaller than the inner diameter of the corresponding through hole, and part of the communicating pipe extends into the corresponding through hole and is fixed by welding through the wall part; or the driven valve body also comprises a boss with holes communicated with the ninth through hole, the tenth through hole, the eleventh through hole and the twelfth through hole, and the corresponding communicating pipe extends into the boss or the boss extends into the corresponding communicating pipe and is fixed by welding through the wall part. The driven valve body is provided with the boss with the hole, so that the welding area of the communicating pipe and the corresponding boss is increased, and the welding strength is enhanced. The connecting seat 22 is fixed with the driven valve body, and the side part of the connecting seat connected with the driven valve body is approximately a cambered surface, and the curvature of the cambered surface is the same as that of the main body part. The connecting seat comprises four through holes which are respectively communicated with a ninth through hole 2125, a tenth through hole 2126, an eleventh through hole 2127 and a twelfth through hole 2128, the first communicating pipe, the second communicating pipe 232, the third communicating pipe 233 and the fourth communicating pipe 234 extend into the connecting seat and are communicated with corresponding through holes of the driven valve body, and the connecting seat is provided with a welding surface which is beneficial to increasing the connecting pipe, the welding strength is increased, and the mechanical strength of the reversing device is also beneficial to increasing. It will be appreciated that the connecting socket may be four separate parts with holes or may be a single part comprising four through holes.
The second valve core 24 is disposed in the second valve cavity, the second valve core 24 includes a third protrusion 241, a fourth protrusion 242, a fifth protrusion 243, and a sixth protrusion 244, the third protrusion 241 and the sixth protrusion 244 are located at two ends of the second valve core 24, a radial cross section of the protrusion of the second valve core is a circular surface, and the protrusion of the second valve core contacts with an inner wall of the main body 212, or the reversing device further includes a sealing member, which is fixed to the protrusion of the second valve core, contacts with the inner wall of the main body and can slide relative to the inner wall of the main body, and the sealing member may be a member with elasticity. The second valve spool 24 is provided with a second recess 246 between the third projection and the fourth projection, a third recess 247 between the fourth projection and the fifth projection, and a fourth recess 248 between the fifth projection and the sixth projection, wherein the radial section of the recess is a circular surface and has a diameter smaller than the diameter of the cross section of the corresponding projection on both sides, and the radial section of the recess may also be a rectangle, and the length of the diagonal of the rectangle is smaller than the diameter of the radial section of the projection.
Referring to fig. 3 and 4, each protruding portion of the second valve core divides the second valve cavity 214 into a third cavity 2141, a fourth cavity 2142, a fifth cavity 2143, a sixth cavity 2144, and a seventh cavity 2145, specifically, in the axial direction of the second valve cavity, the third cavity 2141 is disposed between the first end cover and the third protruding portion 241, or the third cavity is disposed between the first protruding portion and an end wall forming the second valve cavity; the fourth cavity 2142 is disposed between the third protruding portion 241 and the fourth protruding portion 242, or between the second recessed portion and the inner wall of the corresponding main body portion, the fourth cavity 2142 is disposed, the fifth cavity 2143 is disposed, or between the third recessed portion and the inner wall of the corresponding main body portion, the fifth cavity 2143 is disposed, a sixth cavity 2144 is disposed between the fifth protruding portion and the sixth protruding portion, or between the fourth recessed portion and the inner wall of the corresponding main body portion, a sixth cavity 2144 is disposed, a seventh cavity 2145 is disposed between the sixth protruding portion and the second end cap, or the seventh cavity is disposed between the sixth protruding portion and the other end wall forming the second cavity; the third cavity, the fifth cavity and the seventh cavity are relatively separated and are not communicated. It will be appreciated that as the second valve spool slides within the second valve chamber, the positions of the third, fourth, fifth, sixth and seventh chambers change, wherein the sizes of the third and sixth chambers also change. The fourth through hole is approximately adjacent to the first end cover of the driven valve and communicated with the third cavity, the sixth through hole is approximately adjacent to the second end cover of the driven valve and communicated with the seventh cavity; the fifth through hole faces the second sunken part, further, in the sliding process of the second sunken part, the fifth through hole faces the second sunken part all the way, and the fifth through hole is communicated with the fourth cavity; the eighth through hole faces the third recessed portion, and further, in the sliding process of the third recessed portion, the eighth through hole faces the third recessed portion all the time, and the eighth through hole is communicated with the fifth cavity. It can be known that the fourth chamber, the fifth chamber and the sixth chamber are annular chambers, and the axes of the four communicating pipes, the third communicating pipe, the first communicating pipe, the second communicating pipe and the first communicating pipe which are respectively communicated with the fourth chamber, the fifth chamber and the sixth chamber can be positioned on the same plane, or the axes of the communicating pipes form included angles with each other. The communicating pipe can be radially distributed along the main body part, and is favorable for pipeline arrangement when the reversing device is communicated with other devices so as to adapt to different installation conditions.
The second valve spool 24 further includes a second communication passage 245, the second communication passage 245 being located at a central portion of the second valve spool, the second communication passage 245 being provided with one opening communicating with the fourth chamber at the second recess, the second communication passage 245 being provided with the other opening communicating with the sixth chamber at the fourth recess, or the fourth chamber and the sixth chamber being communicated through the second communication passage 245. In other embodiments, the two openings of the second valve core disposed in the second recess and/or the fourth recess may be approximately 180 degrees, three openings may be disposed, or four openings may be disposed, and a plurality of openings may be disposed to facilitate communication between the fourth chamber and the sixth chamber. In this embodiment, the inner diameter of the second communicating channel 245 is substantially the same as the inner diameter of the first communicating pipe to facilitate the communication between the fourth chamber and the sixth chamber. In the invention, the inner diameter of the first communicating pipe is far larger than the inner diameters of the first through hole, the second through hole, the fifth through hole and the like.
Referring to fig. 3 and 4, the end cap 211 and the end portion of the second valve core are provided with a blocking part 2111, which includes a first blocking part and a second blocking part, specifically, the first blocking part is disposed in the third cavity, or between the first end cap and the second valve core; a second stop is provided in the seventh chamber or between the second end cap and the second valve spool, and stop 2111 is used to limit the sliding range of the second valve spool, while the third or seventh chamber is eliminated in order to prevent the second valve spool from contacting the end cap. The stop member may be a separate component and secured to the end of the respective end cap or second valve spool, or the stop member may be of unitary construction with the end cap and/or the stop member may be of unitary construction with the second valve spool. The blocking member may be a truncated cone, a rectangular block, or other shaped structure, and the radial cross-section of the blocking member 2111 is smaller than that of the second valve chamber. And when the second valve core is contacted with the blocking piece, the opening of the fourth through hole or the sixth through hole is still positioned between the second valve core and the corresponding end cover, so that the fourth through hole or the sixth through hole is communicated with the corresponding cavity.
The contact surface welding of driving valve body and driven valve body is fixed, and first recess and second recess are sealed by the contact surface of driving valve body and driven valve body, and first recess becomes the intercommunication passageway of fourth through-hole and first through-hole, and the second recess becomes the intercommunication passageway of sixth through-hole and second through-hole, or said differently, the third chamber with the fourth through-hole intercommunication with the first chamber intercommunication of first through-hole, the seventh chamber with the sixth through-hole intercommunication with the first chamber or the second chamber intercommunication of second through-hole. The first groove and the second groove are arranged in the reversing device, or between the driving valve body and the driven valve body, and become a part of a communication channel of the first valve cavity and the driven valve cavity. The surface of the valve body of the active valve is provided with a groove, so that the active valve is relatively simple to manufacture. And furthermore, a communicating passage of the driving valve body and the driven valve body is arranged in the reversing device, so that the mechanical strength of the reversing device is enhanced. In another embodiment, the first groove and the second groove may also be disposed on the second fixing portion, wherein the fourth through hole is provided with an opening at the first groove, the fourth through hole is communicated with the first groove, the sixth through hole is provided with an opening at the second groove, the sixth through hole is communicated with the second groove, correspondingly, the first opening faces the first groove, the first through hole is communicated with the first groove, the second opening faces the second groove, and the second through hole is communicated with the second groove. Or the first groove is arranged on the first fixing part, the first opening is arranged in the first groove, the second groove is arranged on the second fixing part, and the opening of the sixth through hole is arranged in the second groove; or the first groove is arranged on the second fixing part, the second groove is arranged on the first fixing part, and the position relation of other structures is not repeated. The reversing device can also be provided with a third groove and/or a fourth groove, the third groove is arranged opposite to the first groove, the fourth groove is arranged opposite to the second groove, a through hole opening of a fixing part where the groove is located is arranged in the groove, the first groove and the third groove jointly form a communication channel of a fourth through hole and the first through hole, and the second groove and the fourth groove jointly form a communication channel of a sixth through hole and the second through hole. The following active valves have been partially modified
The reversing device comprises two working states, namely a first working state and a second working state, when the reversing device is in the first working state, the electromagnetic coil 11 is electrified, the core iron 15 overcomes the acting force of the spring 14 to drive the first valve core 13 to move rightwards, the first valve core is positioned at a first pole, the second through hole 125 and the seventh through hole 127 are communicated through the eighth cavity, and the seventh cavity communicated with the second through hole is communicated with the fifth cavity communicated with the seventh through hole; the third through hole 126 communicates with the first through hole 124 through the first cavity 1231, or the third cavity 2141 communicating with the first through hole and the fourth cavity 2142 communicating with the third through hole. The medium of fourth communicating pipe 234 side is the high pressure, when the fluid of second communicating pipe side is the low pressure, the third chamber is the high pressure, the seventh chamber is the low pressure, second case 24 slides towards the right side under the pressure differential effect, the contact is blocked with the second to sixth bellying or the contact is blocked with the second to second end cover, be the first operating position of second case this moment, the fourth chamber is located fourth communicating pipe and third communicating pipe top, the third communicating pipe is through fourth chamber and fourth communicating pipe intercommunication, the fifth chamber is located first communicating pipe and second communicating pipe top, first communicating pipe is through fifth chamber and second communicating pipe intercommunication.
When the reversing device is in the second working state, the electromagnetic coil 11 is not electrified, under the pressure of the spring 14, the core iron 15 drives the first valve core 13 to move left, the first valve core is positioned at the second extreme point, the first through hole and the seventh through hole are communicated through the eighth cavity, or the third cavity communicated with the first through hole 124 is communicated with the fifth cavity communicated with the seventh through hole, the second through hole and the third through hole are communicated through the first communicating channel, the fluid at the fourth communicating pipe 234 side is high pressure, when the fluid at the second communicating pipe side is low pressure, the third cavity of the driven valve is a low pressure area, the seventh cavity is a high pressure area, pressure difference is formed between the third cavity and the seventh cavity of the driven valve, the second valve core is driven by the third bulge and the sixth bulge to move to the left side, the third bulge is contacted with the first blocking piece or the first end cover is contacted with the first blocking piece, at this time, the second working position of the second valve core is the second working position, and the fourth cavity is positioned above the fourth communicating pipe, the fourth communicating pipe is communicated with the second communicating channel, the sixth cavity is located above the first communicating pipe, the first communicating pipe is communicated with the second communicating channel, specifically, the fourth communicating pipe is communicated with the first communicating pipe, the fifth cavity is located above the second communicating pipe and the third communicating pipe, and the second communicating pipe is communicated with the third communicating pipe through the fifth cavity.
Referring to fig. 13 and 14, fig. 13 and 14 are schematic diagrams of a second embodiment of the reversing device. Compared with the first embodiment, the first valve core only comprises the first convex part 131 and the second convex part 132, the first valve cavity is divided into the first cavity 1231 and the second cavity 1232 by the first convex part 131 and the second convex part 132, the first communicating channel 136 comprises two openings, one of the two openings is arranged on the pipe wall of the first convex part, the other opening is arranged on the concave part between the first convex part and the second convex part, and the first cavity can be communicated with the second cavity through the first communicating channel; compared with the first embodiment, the pilot valve body comprises a first through hole 124, a second through hole 125 and a third through hole 126, and the first through hole 124, the second through hole 125 and the third through hole 126 are communicated with the first valve cavity; compared with the first embodiment, only different points are introduced, the main valve body comprises a fourth through hole, a fifth through hole and a sixth through hole, the fourth through hole is communicated with the third cavity, the sixth through hole is communicated with the seventh cavity, and the fifth through hole is communicated with the fourth cavity. The fourth through hole is communicated with the first groove, the fifth through hole is communicated with the third through hole, the sixth through hole is communicated with the second groove, the third through hole is communicated with the fourth through hole through the first groove, the second through hole is communicated with the sixth through hole through the second groove, or the first groove is a communication channel of the third through hole and the fourth through hole, and the second groove is a communication channel of the second through hole and the sixth through hole.
The reversing device also comprises two working states, namely a first working state and a second working state, when the reversing device is in the first working state, the electromagnetic coil 11 is electrified, the core iron 15 overcomes the acting force of the spring 14 to drive the first valve core 13 to move rightwards, the first valve core is positioned at a first pole, the second cavity is sealed by the first valve hole, the second through hole 125 is not communicated with the second cavity, and the third through hole 126 is communicated with the first through hole through the first cavity, or the third cavity communicated with the first through hole is communicated with the fourth cavity communicated with the third through hole. The medium on the side of the fourth communication pipe 234 is high pressure, it can be known that the third chamber is high pressure, the eighth chamber is low pressure relative to the third chamber, the second valve element 24 also has pressure difference, the second valve element slides towards the right side under the action of the pressure difference, the sixth protruding portion contacts with the second blocking piece or the second end cover contacts with the second blocking piece, which is the first working position of the second valve element at this time, the fourth chamber is located above the fourth communication pipe and the third communication pipe, the third communication pipe is communicated with the fourth communication pipe through the fourth chamber, the fifth chamber is located above the first communication pipe and the second communication pipe, and the first communication pipe is communicated with the second communication pipe through the fifth chamber.
When the reversing device is in the second working state, the electromagnetic coil 11 is not electrified, the core iron 15 drives the first valve core 13 to move left under the pressure of the spring 14, the first valve core is located at the second pole, the second cavity is located above the second through hole, the second through hole is communicated with the second cavity, the third through hole is communicated with the second through hole through the first communicating channel, or the fourth cavity communicated with the third through hole 126 is communicated with the seventh cavity communicated with the second through hole. The first through hole is closed and is not communicated with the first valve cavity. The fluid on the side of the fourth communication pipe 234 is high-pressure, the fourth chamber is a high-pressure area, it can be known that the seventh chamber is high-pressure, the third chamber is low-pressure relative to the seventh chamber, a pressure difference is formed at two ends of the second valve core, the second valve core moves to the left side under the action of the pressure difference, the third protruding portion contacts with the first blocking piece or the first end cover contacts with the first blocking piece, at this time, the third protruding portion is a second working position of the second valve core, the fourth chamber is located above the fourth communication pipe, the fourth communication pipe is communicated with the second communication channel, the sixth chamber is located above the first communication pipe, the first communication pipe is communicated with the second communication channel, specifically, the fourth communication pipe is communicated with the first communication pipe, the fifth chamber is located above the second communication pipe and the third communication pipe, and the second communication pipe is communicated with the third communication.
It will be appreciated that the second valve chamber and/or the first valve chamber may be rectangular in cross-sectional shape, and accordingly the second valve core and/or the first valve core may have rectangular radial cross-sectional shape, and the recesses between adjacent protrusions may have rectangular or circular radial cross-sectional shape. The cross section of the outer wall of the main body part of the driven valve body can be rectangular, and the first fixing part of the main body part of the driven valve body is a plane, so that the first fixing part and the second fixing part can be assembled conveniently. And part of the outer side part of the reversing device is a plane, so that the reversing device and other related parts can be conveniently installed.
Set up first recess and second recess between driven valve body and initiative valve body, convenient processing preparation, simultaneously, the intercommunication route of driven valve body and initiative valve body sets up inside the switching-over device, is favorable to preventing the damage of intercommunication pipeline.
It should be noted that: although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will appreciate that various combinations, modifications and equivalents of the present invention can be made by those skilled in the art, and all technical solutions and modifications thereof without departing from the spirit and scope of the present invention are encompassed by the claims of the present invention.
Claims (17)
1. A reversing device comprises a driving valve body and a driven valve body, wherein the driving valve body comprises a driving valve body, the driven valve body comprises a driven valve body, the driving valve body comprises a first fixing part, a first through hole, a second through hole and a third through hole which are intersected with the first fixing part, the driven valve body comprises a second fixing part, a fifth through hole, a sixth through hole and a fourth through hole which are intersected with the second fixing part, the first fixing part and the second fixing part are assembled and fixed, the reversing device further comprises a first groove and a second groove, the first groove and the second groove are located in the mutual fixing area of the first fixing part and the second fixing part, the first groove and the second groove are relatively isolated, the first through hole is communicated with the fourth through hole through the first groove, and the second through hole is communicated with the sixth through hole through the second groove, the third through hole is communicated with the fifth through hole.
2. The reversing device according to claim 1, wherein the driving valve body comprises a first valve cavity which is communicated with the first through hole, the second through hole and the third through hole, the first through hole, the second through hole and the third through hole are provided with a first opening, a second opening and a third opening at the first fixing portion, the driven valve body comprises a second valve cavity which is communicated with the fourth through hole, the fifth through hole and the sixth through hole, the first opening is communicated with the first groove, and the fourth through hole is communicated with the first groove; the second opening is communicated with the second groove, and the sixth through hole is communicated with the second groove; the third opening and the fifth through hole are oppositely arranged and communicated.
3. The reversing device according to claim 2, wherein the wall forming the first valve chamber comprises an end wall and a side wall, the first through hole, the second through hole and the third through hole respectively have communication ports, the communication ports of the first through hole and the second through hole are provided at the side wall, the respective openings of the first through hole and the second through hole are substantially aligned in the direction of the first valve chamber axis, the communication port of the third through hole is provided at the side wall, or the communication port of the third through hole is provided at the end wall, and the third through hole is opposite to the first through hole adjacent to the second through hole;
the third opening is relatively deviated from the first groove and the second groove, the first through hole is intersected with the first groove, and the second through hole is intersected with the second groove.
4. The reversing device according to any one of claims 1 to 3, wherein the first recess and the second recess are provided in the first fixing portion, the first through hole has an opening in the first recess, the fourth through hole faces the first recess, the second through hole has an opening in the second recess, and the sixth through hole faces the second recess;
or the first groove and the second groove are arranged on the second fixing part, the fourth through hole is provided with an opening in the first groove, the first through hole faces the first groove, the sixth through hole is provided with an opening in the second groove, and the second through hole faces the second groove;
or the first groove is arranged on the first fixing part, the second groove is arranged on the second fixing part, the first through hole is provided with an opening in the first groove, the fourth through hole faces the first groove, the sixth through hole is provided with an opening in the second groove, and the second through hole faces the second groove;
or the first groove is arranged on the second fixing part, the second groove is arranged on the first fixing part, the fourth through hole is provided with an opening in the first groove, the first through hole faces the first groove, the second through hole is provided with an opening in the second groove, and the sixth through hole faces the second groove.
5. The reversing device according to claim 4, wherein the opening axis of the first groove and the opening axis of the second groove are parallel and substantially collinear, and the axes of the first through hole and the second through hole perpendicularly intersect the opening axis of the first groove.
6. The reversing device according to claim 4, further comprising a third groove disposed opposite to the first groove, the third groove communicating with the first groove, and an opening of the corresponding through hole being located in the third groove;
and/or the reversing device further comprises a fourth groove, the fourth groove is opposite to the second groove, the second groove is communicated with the fourth groove, and the opening of the through hole is correspondingly positioned in the fourth groove.
7. The reversing device according to claim 5, further comprising a third groove disposed opposite to the first groove, the third groove communicating with the first groove, and an opening of the corresponding through hole being located in the third groove;
and/or the reversing device further comprises a fourth groove, the fourth groove is opposite to the second groove, the second groove is communicated with the fourth groove, and the opening of the through hole is correspondingly positioned in the fourth groove.
8. The reversing device of claim 6 or 7, comprising a first valve spool including a first lobe and a second lobe that divide a first valve chamber of the active valve body into a first chamber and a second chamber, the first chamber being located between an end wall forming the first valve chamber and the first lobe, the second chamber being located between the first lobe and the second lobe; the first valve core further comprises a first communication channel, an opening is formed in the end wall of the first boss of the first communication channel, another opening is formed in the first communication channel between the second boss and the first boss, and the first cavity can be communicated with the second cavity through the first communication channel.
9. The reversing device according to claim 8, wherein the first valve core is slidable between a first pole and a second pole in an axial direction of the first valve chamber, the first through hole communicates with the first valve chamber when the first valve core is located at the first pole, and the third through hole communicates with the first through hole through the first chamber; when the first valve core is located at a second pole, the third through hole is communicated with the second through hole through the first communication channel.
10. The reversing device according to claim 8, wherein the driven valve further includes a second spool, the driven valve body comprises a main body part, a first end cover and a second end cover, the second valve core can slide in a second valve cavity, the second valve core comprises a third boss, a fourth boss, a fifth boss and a sixth boss, the raised portion of the second valve spool divides the second valve chamber into a third chamber, a fourth chamber, a fifth chamber, a sixth chamber, and a seventh chamber, said third chamber being located between said third boss and said first end cap in the axial direction of said second chamber, the fourth cavity is located between the fourth boss and the third boss, the fifth cavity is located between the fourth boss and the fifth boss, the sixth cavity is located between the fifth boss and the sixth boss, and the seventh cavity is located between the sixth boss and the second end cap;
the fourth through hole is communicated with the third cavity, the fifth through hole is communicated with the fourth cavity, and the sixth through hole is communicated with the seventh cavity;
the second valve core further comprises a second communicating channel, an opening communicated with the fourth cavity is formed in the second communicating channel between the third boss and the fourth boss, an opening communicated with the sixth cavity is formed in the second communicating channel between the fifth boss and the sixth boss, and the fourth cavity is communicated with the sixth cavity through the second communicating channel.
11. The reversing device according to claim 9, wherein the driven valve further includes a second spool, the driven valve body comprises a main body part, a first end cover and a second end cover, the second valve core can slide in a second valve cavity, the second valve core comprises a third boss, a fourth boss, a fifth boss and a sixth boss, the raised portion of the second valve spool divides the second valve chamber into a third chamber, a fourth chamber, a fifth chamber, a sixth chamber, and a seventh chamber, said third chamber being located between said third boss and said first end cap in the axial direction of said second chamber, the fourth cavity is located between the fourth boss and the third boss, the fifth cavity is located between the fourth boss and the fifth boss, the sixth cavity is located between the fifth boss and the sixth boss, and the seventh cavity is located between the sixth boss and the second end cap;
the fourth through hole is communicated with the third cavity, the fifth through hole is communicated with the fourth cavity, and the sixth through hole is communicated with the seventh cavity;
the second valve core further comprises a second communicating channel, an opening communicated with the fourth cavity is formed in the second communicating channel between the third boss and the fourth boss, an opening communicated with the sixth cavity is formed in the second communicating channel between the fifth boss and the sixth boss, and the fourth cavity is communicated with the sixth cavity through the second communicating channel.
12. The reversing device according to claim 11, wherein the driven valve further comprises a first blocking member and a second blocking member, the first blocking member is provided in the third chamber, the second blocking member is provided in the seventh chamber, a distance from the fourth through hole to the first end cover is smaller than a length of the first blocking member, and a distance from the sixth through hole to the second end cover is smaller than a length of the second blocking member in an axial direction of the second valve chamber.
13. The reversing device according to claim 12, further comprising a first communicating pipe, a second communicating pipe, a third communicating pipe and a fourth communicating pipe, wherein the first communicating pipe, the second communicating pipe, the third communicating pipe and the fourth communicating pipe penetrate through the wall of the main body part to communicate with the second valve chamber, the second communicating pipe communicates with the fifth chamber, and the fourth communicating pipe communicates with the fourth chamber;
the second valve core can slide between a first working position and a second working position, when the second valve core is at the first working position, the fourth communication pipe can be communicated with the third communication pipe through the fourth cavity, and the second communication pipe can be communicated with the first communication pipe through the fifth cavity; when the second valve core is at a second working position, the fourth communicating pipe is communicated with the first communicating pipe through the second communicating channel, and the second communicating pipe can be communicated with the third communicating pipe through the fifth cavity.
14. The reversing device according to claim 13, wherein the fourth chamber, the fifth chamber and the sixth chamber are annular chambers, and an axis of the first communicating pipe, an axis of the second communicating pipe, an axis of the third communicating pipe and an axis of the fourth communicating pipe are substantially located on the same plane, or axes of the communicating pipes form an included angle with each other.
15. The reversing device according to claim 14, further comprising a connecting seat including a through hole, the connecting seat being assembled with the driven valve body, the connecting seat communicating with the second valve chamber through the through hole, the first communicating pipe, the second communicating pipe, the third communicating pipe, and the fourth communicating pipe being assembled with the connecting seat and communicating with the through hole of the connecting seat.
16. The reversing device according to any one of claims 10 to 14, wherein the inner wall of the main body portion is circular in cross section, and the protrusion of the second spool is circular in cross section; or the cross section of the inner wall of the main body part is rectangular, and the cross section of the bulge part of the second valve core is a rectangular surface;
the cross section of the outer wall of the main body part is circular, and the first fixing part is an arc surface; or the cross section of the outer wall of the main body part is rectangular, and the first fixing part is a plane.
17. The reversing device according to claim 16, wherein the first valve spool further comprises a seventh boss portion, the seventh boss portion is located between the first boss portion and the second boss portion, an eighth chamber is provided between the first boss portion and the seventh boss portion, the active valve body further comprises a seventh through hole, the seventh through hole is communicated with the first valve chamber, the seventh through hole is provided with a seventh opening at the first fixing portion, and the seventh through hole is provided between the first through hole and the second through hole in the axial direction of the first valve chamber; and the driven valve body is provided with an eighth through hole, the eighth through hole is communicated with the seventh opening, and the eighth through hole is communicated with the fifth cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610815175.7A CN107816561B (en) | 2016-09-12 | 2016-09-12 | Reversing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610815175.7A CN107816561B (en) | 2016-09-12 | 2016-09-12 | Reversing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107816561A CN107816561A (en) | 2018-03-20 |
| CN107816561B true CN107816561B (en) | 2020-04-03 |
Family
ID=61601018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610815175.7A Active CN107816561B (en) | 2016-09-12 | 2016-09-12 | Reversing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107816561B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630718A (en) * | 2018-11-20 | 2019-04-16 | 嘉兴卓尔精密机械有限公司 | The exchange system of high temperature and pressure polymeric fluid |
| CN113389916B (en) * | 2020-03-12 | 2023-03-14 | 盾安环境技术有限公司 | Combined four-way valve |
| CN111473147B (en) * | 2020-04-24 | 2021-02-12 | 浙江南宏金属科技有限公司 | Stainless steel four-way reversing valve main valve for air conditioner and machining method thereof |
| CN111473146B (en) * | 2020-04-24 | 2022-05-06 | 浙江南宏金属科技有限公司 | Stainless steel four-way reversing valve main valve with integrated valve seat for air conditioner and machining method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814417A (en) * | 1994-07-04 | 1996-01-16 | Aisin Seiki Co Ltd | Selector valve |
| CN1072323C (en) * | 1994-09-13 | 2001-10-03 | 速睦喜股份有限公司 | Pilot operated directional control valve |
| JP2003156173A (en) * | 2001-11-22 | 2003-05-30 | Keihin Corp | Fluid pressure control device |
| CN101324280A (en) * | 2007-06-15 | 2008-12-17 | Smc株式会社 | Manifold-type solenoid valve apparatus having stop valve |
| CN102478030A (en) * | 2010-11-24 | 2012-05-30 | 思达斯易能源技术(集团)有限公司 | Hydraulic automatic control reversing valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE531945T1 (en) * | 2008-01-07 | 2011-11-15 | Univ Vanderbilt | SOLENOID VALVE ARRANGEMENT |
-
2016
- 2016-09-12 CN CN201610815175.7A patent/CN107816561B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814417A (en) * | 1994-07-04 | 1996-01-16 | Aisin Seiki Co Ltd | Selector valve |
| CN1072323C (en) * | 1994-09-13 | 2001-10-03 | 速睦喜股份有限公司 | Pilot operated directional control valve |
| JP2003156173A (en) * | 2001-11-22 | 2003-05-30 | Keihin Corp | Fluid pressure control device |
| CN101324280A (en) * | 2007-06-15 | 2008-12-17 | Smc株式会社 | Manifold-type solenoid valve apparatus having stop valve |
| CN102478030A (en) * | 2010-11-24 | 2012-05-30 | 思达斯易能源技术(集团)有限公司 | Hydraulic automatic control reversing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107816561A (en) | 2018-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107816561B (en) | Reversing device | |
| KR102601408B1 (en) | spool valve | |
| CN108869795B (en) | Flow path switching valve | |
| WO2013137235A1 (en) | Switching valve | |
| CN204025848U (en) | Switching valve | |
| JP2000046213A (en) | Flow path switching valve | |
| KR20150100750A (en) | Spool and body architectures for three-position directional control valves | |
| CN104344010A (en) | Electromagnetic flow reversing valve | |
| CN107956911A (en) | A kind of solenoid valve | |
| JP6101845B2 (en) | Switching valve | |
| CN106286892A (en) | Three-way magnetic valve | |
| CN112013134B (en) | Control valve | |
| JP6832266B2 (en) | Sliding switching valve and refrigeration cycle system | |
| WO2020038470A1 (en) | Pilot valve and four-way solenoid valve thereof | |
| CN216158361U (en) | Pressure balance type water-based proportional reversing valve | |
| CN108071818B (en) | Four-way valve | |
| CN106286893B (en) | Three-way magnetic valve | |
| CN106286895B (en) | Three-way magnetic valve | |
| WO2017198103A1 (en) | T-shaped valve and combined reversing valve thereof | |
| JP2020046031A (en) | Spool valve | |
| CN112780799A (en) | Fluid control valve | |
| CN106286894A (en) | Three-way magnetic valve | |
| US20180355993A1 (en) | Hydraulic valve configuration for nh vbs with a nl solenoid | |
| US11913553B2 (en) | Spool-type switching valve | |
| CN214331580U (en) | Two tee bend control valves of fluid pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |