CN105351567A - Plate-insert three-way diverging valve - Google Patents
Plate-insert three-way diverging valve Download PDFInfo
- Publication number
- CN105351567A CN105351567A CN201510930028.XA CN201510930028A CN105351567A CN 105351567 A CN105351567 A CN 105351567A CN 201510930028 A CN201510930028 A CN 201510930028A CN 105351567 A CN105351567 A CN 105351567A
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- China
- Prior art keywords
- plate
- valve
- elastic component
- shell
- valve body
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- 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
Abstract
The invention provides a plate-insert three-way diverging valve which comprises a shell and an insertion plate arranged in the shell, wherein a main channel and a side channel are arranged in the shell, and the insertion plate intersects with the main channel and the side channel; a through hole is formed in the insertion plate, and the insertion plate can move in the shell on the length direction of the insertion plate so that the through hole is communicated with the main channel or the side channel. When the insertion plate moves to a first position and the through hole in the insertion plate is communicated with the main channel, the main channel is completely connected, and the side channel is completely blocked; at the moment, a fluid medium can only flow through the main channel. Otherwise, when insertion plate moves to a second position and the through hole in the insertion plate is communicated with the side channel, the side channel is completely connected, and the main channel is completely blocked; at the moment, the fluid medium can only flow through the side channel. Thus, the plate-insert three-way diverging valve can realize the switching of the fluid medium between the main channel and the side channel through the movement of the insertion plate. The plate-insert three-way diverging valve has the advantages of being simple in structure, convenient and fast to switch and low in manufacture cost.
Description
Technical field
The present invention relates to valve technology field, especially relate to a kind of spile type diverging three way valve.
Background technique
Three-way valve is one of industry and the widely used valve of daily life.
The valve body of three-way valve has three mouths, an import, two outlets; Or two imports one outlet.
Three-way valve is divided into converging valve and diverter valve two kinds by the flowing medium mode of action.Wherein, converging valve has two entrances, flows out behind interflow from an outlet.Diverter valve has an entrance, is flowed out after shunting by two outlets.The function of diverging three way valve is that flowing medium is switched to another pipeline fast from a pipeline.
Existing diverging three way valve has various structures pattern, wherein notification number is that the Chinese patent of CN204476913U discloses a kind of Novel diversion valve arrangement, this Novel diversion valve arrangement comprises: shunting valve body and the diverter valve assembly be arranged in shunting valve body, steering knuckle assembly, turn to safety valve and main safety valve, wherein, described diverter valve assembly comprises flow divider valve core, flow divider valve core one end arranges shunting spring, the other end arranges and can prevent from turning to the unidirectional damping assembly turning to pause with mechanism's teamwork generation, described shunting spring is arranged between steering knuckle assembly and flow divider valve core left end, in shunting valve body, filler opening is set, turn to mouth, guide's oil duct, work oil duct, back oil road, restriction and restriction.
As can be seen here, the diverging three way valve complex structure of this form, manufacture cost are high.
Summary of the invention
The object of the present invention is to provide a kind of spile type diverging three way valve, to solve diverging three way valve complex structure of the prior art, technical problem that manufacture cost is high.
The invention provides a kind of spile type diverging three way valve, described spile type diverging three way valve comprises: shell and the plate be arranged in described shell, main passage and by-pass is provided with in described shell, described plate and described main passage and by-pass arranged in a crossed manner, described plate is provided with through hole, described plate can move in described shell along the length direction of this plate, is communicated with described main passage or by-pass to make described through hole.
Further, the valve gap that described shell comprises valve body and is fixedly connected with described valve body, described valve body and valve gap are all run through in described main passage and described by-pass; Described plate is arranged in the cavity that described valve body and valve gap form jointly.
Further, the number of described through hole is two, and two described through holes are arranged along the length direction interval of described plate.
Further, described spile type diverging three way valve also comprises valve rod, one end of described valve rod is connected with described plate, and the other end of described valve rod is connected with drive unit, and described drive unit drives described plate to move along the length direction of this plate by described valve body.
Further, described drive unit is cylinder or oil hydraulic cylinder.
Further, between described valve body and described plate, be provided with valve seal plate, valve bonnet seal plate is set between described valve gap and described plate.
Further, the first elastic component is provided with between described valve body and described valve seal plate, the second elastic component is provided with between described valve gap and described valve bonnet seal plate, described first elastic component is used for applying towards the thrust of described plate to described valve seal plate, and described second elastic component is used for applying towards the thrust of described plate described valve bonnet seal plate.
Further, described first elastic component and described second elastic component are multiple, and multiple described first elastic component is arranged along the length direction interval of described plate, and multiple described second elastic component is arranged along the length direction interval of described plate.
Further, described first elastic component is valve body spring, and described second elastic component is valve gap spring.
Further, described valve rod embeds in described shell, is provided with seal ring between the outer surface of described valve rod and the inwall of described shell.
Spile type diverging three way valve provided by the invention, comprise shell and be arranged at the plate in described shell, wherein, described plate can move in described shell along the length direction of this plate, is communicated with described main passage or by-pass to make described through hole.When plate moves to primary importance, when the through hole on plate is communicated with main passage, main passage is connected completely, is blocked completely by-pass, and now, flowing medium can only be flowed by main passage; Otherwise when plate moves to the second place, when the through hole on plate is communicated with by-pass, by-pass is connected completely, is blocked completely main passage, now, flowing medium can only be flowed by other main passage; As can be seen here, spile type diverging three way valve provided by the invention has the structure being different from existing various three-way valve, and can realize the switching of flowing medium between main passage and by-pass by the movement of plate, structure is simple, easy switching is quick, low cost of manufacture.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the spile type diverging three way valve that Fig. 1 provides for an embodiment of the present invention;
Fig. 2 is that the G-G of Fig. 1 is to sectional view.
Reference character:
1-valve body; 2-valve seal plate;
3-valve body spring; 4-screw;
5-plate; 6-valve bonnet seal plate;
7-valve gap; 8-valve rod;
9-seal ring; 10-coupling;
11-cylinder; 12-valve gap spring.
1a-import; 7a-main channel outlet;
7b-by-pass exports; 5a-through hole.
Embodiment
Be clearly and completely described technological scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.Wherein, term " primary importance " and " second place " are two different positions.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
The structural representation of the spile type diverging three way valve that Fig. 1 provides for an embodiment of the present invention; Fig. 2 is that the G-G of Fig. 1 is to sectional view.
The invention provides a kind of spile type diverging three way valve, as depicted in figs. 1 and 2, this spile type diverging three way valve comprises: shell and the plate 5 be arranged in described shell, main passage and by-pass is provided with in described shell, described plate 5 and described main passage and by-pass arranged in a crossed manner, described plate 5 is provided with through hole 5a, described plate 5 can move in described shell along the length direction of this plate 5 (above-below direction namely in Fig. 1 and Fig. 2), is communicated with described main passage or by-pass to make described through hole 5a.
Spile type diverging three way valve provided by the invention, comprise shell and be arranged at the plate 5 in described shell, wherein, described plate 5 can move in described shell along the length direction of this plate 5, is communicated with described main passage or by-pass to make described through hole 5a.When plate 5 moves to primary importance, when the through hole 5a on plate 5 is communicated with main passage, main passage is connected completely, is blocked completely by-pass, and now, flowing medium can only be flowed by main passage; Otherwise when plate 5 moves to the second place, when the through hole 5a on plate 5 is communicated with by-pass, by-pass is connected completely, is blocked completely main passage, and now, flowing medium can only be flowed by by-pass; As can be seen here, spile type diverging three way valve provided by the invention has the structure being different from existing various three-way valve, and can realize the switching of flowing medium between main passage and by-pass by the movement of plate 5, structure is simple, easy switching is quick, low cost of manufacture.
Wherein, shell can be integral structure, also can be split-type structural.
Keep in repair for the ease of dismounting, preferably, shell is split-type structural, see Fig. 1 and Fig. 2, and the valve gap 7 that described shell comprises valve body 1 and is fixedly connected with described valve body 1, described valve body 1 and valve gap 7 are all run through in described main passage and described by-pass; Described plate 5 is arranged in described valve body 1 and the common cavity formed of valve gap 7.Valve body 1 and valve gap 7 form main passage and by-pass jointly.
Wherein, valve body 1 is fixedly connected with by various ways with valve gap 7, such as, be connected by the fastening piece of the such as screw 4 through described valve body 1 and valve gap 7 and so on, or valve body 1 and valve gap 7 adopts inserting mode, the mode etc. that is connected together achieves a fixed connection.
Preferably, valve body 1 is removably connected with valve gap 7.
As shown in Figure 1, valve body 1 and valve gap 7 form the shell of spile type diverging three way valve jointly, and valve body 1 and valve gap 7 are consolidated by screw 4.In the cavity that valve body 1 and valve gap 7 are formed jointly, plate 5 is set.
More specifically, as shown in Figure 1, described valve body 1 is provided with import 1a, described valve gap 7 is provided with main channel outlet 7a and by-pass outlet 7b, described import 1a is communicated with to form described main passage with described main channel outlet 7a, and described import 1a and described by-pass export 7b and be communicated with to form described by-pass.Flowing medium enters from import 1a, flowing medium can be selected to flow out from main channel outlet 7a or by-pass outlet 7b by movable flashboard 5, wherein, when the through hole 5a on plate 5 is communicated with main passage, flowing medium flows out from main channel outlet 7a, when the through hole 5a on plate 5 is communicated with by-pass, flowing medium flows out from by-pass outlet 7b.
In the embodiment shown in fig. 1, main passage is straight passage, and aliging with main channel outlet 7a center and be communicated with in the center of import 1a, reduces the flow resistance of flowing medium in this plug type diverging three way valve, ensures the quick flowing of flowing medium.By-pass is the access ramp of setting crossing with main passage.
The quantity of through hole 5a can be arranged as required, and such as through hole 5a is one, and when plate 5 moves to the first limit position, this through hole 5a is communicated with main passage, and now, main passage is connected completely, is blocked completely by-pass; When plate 5 moves to the second limit position, this through hole 5a is communicated with by-pass, and now, by-pass is connected completely, is blocked completely main passage.
Again such as, through hole 5a is two, and two described through hole 5a are arranged along the length direction interval of described plate 5.In order to distinguish two through hole 5a, by the main through hole of one of them through hole 5a called after, the by-pass hole of another through hole 5a called after, wherein, main through hole is for connecting main passage, and by-pass hole is for connecting by-pass.Wherein, the relative position relation of main through hole and by-pass hole, the relative position relation with main passage and by-pass, is consistent.Such as, when main passage is positioned at top (or below) of by-pass, main through hole is positioned at the top (or below) of by-pass hole.The present embodiment can reduce the displacement distance of plate 5, reduces the wearing and tearing that plate 5 is subject in moving process, thus extends the working life of plate 5.
Further, described spile type diverging three way valve also comprises valve rod 8, as depicted in figs. 1 and 2, one end of described valve rod 8 is connected with described plate 5, the other end of described valve rod 8 is connected with drive unit, and described drive unit drives described plate 5 to move along the length direction of this plate 5 by described valve body 1.Drive unit provides power for plate 5 moves, and can be realized the object of the position controlling plate 5 by drive unit.
Particularly, described drive unit can be the various power plant that plate 5 can be driven to move linearly along its length such as cylinder 11, oil hydraulic cylinder, screw-nut body.The spile type diverging three way valve that the present embodiment provides with the rectilinear movement of plate 5 to open and close main passage or the by-pass of fluid.
When drive unit can be cylinder 11 or oil hydraulic cylinder time, plate 5 is fixedly connected with the piston rod of cylinder 11 or the piston rod of oil hydraulic cylinder, does reciprocating linear motion under the effect of cylinder 11 and oil hydraulic cylinder.
See Fig. 1 and Fig. 2, wherein, one end of valve rod 8 is threaded connection mode and is removably connected with plate 5, and the other end of valve rod 8 is connected with cylinder 11 by coupling 10.
The sealing of valve is an important parameter of valve performance, seal with the contacting point of valve body 1 and valve gap 7 to make plate 5, to improve the sealability of this spile type diverging three way valve, prevent flowing medium from revealing, preferably, be provided with valve seal plate 2 between described valve body 1 and described plate 5, valve bonnet seal plate 6 is set between described in described valve gap 7 and plate 5.Valve seal plate 2 is adjacent to plate 5 under the elastic force effect of valve body spring 3, valve bonnet seal plate 6 is adjacent to plate 5 under the elastic force effect of valve gap spring 12, ensure that plate 5 seals contact with valve seal plate 2, valve bonnet seal plate 6 all the time in the process of movement, thus improve the sealability of this spile type diverging three way valve, extend the life-span of spile type diverging three way valve, reduce user cost.Preferably, valve seal plate 2, valve bonnet seal plate 6 and plate 5 are high-abrasive material and make, to improve the wear-resisting property of valve.
More preferably, between described valve body 1 and described valve seal plate 2, be provided with the first elastic component, between described valve gap 7 and described valve bonnet seal plate 6, be provided with the second elastic component.
Wherein, the first elastic component is used for applying towards the thrust of described plate 5 to described valve seal plate 2, and described second elastic component is used for applying towards the thrust of described plate 5 described valve bonnet seal plate 6.Valve seal plate 2 is set between valve body 1 and plate 5, in the perforate of valve body 1 cavity, the first elastic component is set, valve seal plate 2 compresses plate 5 by the first elastic component reinforcing, both can improve plate 5 sealability, and can compensate again the wearing and tearing between plate 5 and valve seal plate 2; Equally, arrange valve bonnet seal plate 6 between valve gap 7 and plate 5, arrange the second elastic component in the perforate of valve gap 7 cavity, valve seal plate 2 compresses plate 5 by the second elastic component reinforcing.
First elastic component and the second elastic component produce pretightening force, promotion valve seal plate 2 and valve bonnet seal plate 6 compress plate 5, both plate 5 can be compressed for valve seal plate 2 and valve bonnet seal plate 6, improve the sealability of plate 5, the micro-gap of plate 5 because wearing and tearing and produce with valve seal plate 2, valve bonnet seal plate 6 can be compensated again.
Preferably, as shown in Figure 1, described first elastic component and described second elastic component are multiple, and multiple described first elastic component is arranged along the length direction interval of described plate, and multiple described second elastic component is arranged along the length direction interval of described plate.Multiple first elastic component and the second elastic component can strengthen pretightening force described above, raising valve seal plate 2 and valve bonnet seal plate 6 are to the pressure compressing plate 5, strengthen the sealing of plate 5, and multiple first elastic component and multiple second elastic component can apply impacting force to the multiple different position of plate 5, make plate 5 overall stressed relatively more even in their length direction, improve the life-span of plate 5.
More preferably, multiple first elastic component is evenly arranged along the length direction of described plate, and multiple second elastic component is evenly arranged along the length direction of described plate.
Further, multiple first elastic component and multiple second elastic component one_to_one corresponding are arranged.
Wherein, described first elastic component and described second elastic component are spring.In the embodiment shown in fig. 1, the first elastic component is valve body spring 3, and described second elastic component is valve gap spring 12.
Wherein, valve body 1 has inner chamber, and valve body 1 inner chamber is provided with the first mounting hole, and valve body spring 3 can be arranged in the first mounting hole of described valve body 1 inner chamber.In like manner, valve gap 7 has inner chamber, and valve gap 7 inner chamber is provided with the second mounting hole, and valve gap spring 12 is arranged in the second mounting hole of valve gap 7 inner chamber.Wherein, the first mounting hole and the second mounting hole can be the hole of the various applicable shapes such as circular hole, square hole, cone shape hole.The present embodiment is provided with the first mounting hole and the second mounting hole, be respectively used to valve body spring 3 and valve gap spring 12 are installed, valve body spring 3 and valve gap spring 12 is prevented to be shifted, ensure that valve body spring 3 and valve gap spring 12 apply, towards the pressure of described plate 5, to keep the sealability between these parts to valve seal plate 2 and valve bonnet seal plate 6 all the time.
Preferably, the first mounting hole is all vertical with the length direction of described plate 5 with the bearing of trend of the second mounting hole.
In addition, as shown in Figure 1, described valve rod 8 embeds in described shell, is provided with seal ring 9 between the outer surface of described valve rod 8 and the inwall of described shell.Seal ring 9, for sealed valve stem 8 and shell, makes valve rod 8 in the process driving plate 5 movement, all the time with shell close contact, keeps sealing.Wherein, seal ring 9 can be rubber seal
Preferably, the inwall of described cavity is provided with seal groove, and described seal ring 9 is placed in described seal groove, so that the position of fixed seal ring 9, prevents seal ring 9 to be shifted.Seal groove can be annular groove.
Spile type diverging three way valve provided by the invention has following effect:
(1) structure is simple, and low cost of manufacture, can realize the switching of flowing medium between main passage and by-pass by the movement of plate 5, and easy switching is quick, and the switch speed that flowing medium enters main passage or by-pass is fast.
(2) good sealing effect, the parts such as valve seal plate 2, valve body spring 3, valve bonnet seal plate 6, valve gap spring 12 and seal ring 9 substantially increase the sealing of this spile type diverging three way valve.
Last it is noted that above each embodiment is only in order to illustrate technological scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristics; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technological scheme.
Claims (10)
1. a spile type diverging three way valve, it is characterized in that, comprise: shell and the plate be arranged in described shell, main passage and by-pass is provided with in described shell, described plate and described main passage and by-pass arranged in a crossed manner, described plate is provided with through hole, and described plate can move in described shell along the length direction of this plate, is communicated with described main passage or by-pass to make described through hole.
2. spile type diverging three way valve according to claim 1, is characterized in that, the valve gap that described shell comprises valve body and is fixedly connected with described valve body, and described valve body and valve gap are all run through in described main passage and described by-pass; Described plate is arranged in the cavity that described valve body and valve gap form jointly.
3. spile type diverging three way valve according to claim 1, is characterized in that, the number of described through hole is two, and two described through holes are arranged along the length direction interval of described plate.
4. spile type diverging three way valve according to claim 1, it is characterized in that, also comprise valve rod, one end of described valve rod is connected with described plate, the other end of described valve rod is connected with drive unit, and described drive unit drives described plate to move along the length direction of this plate by described valve body.
5. spile type diverging three way valve according to claim 4, is characterized in that, described drive unit is cylinder or oil hydraulic cylinder.
6. the spile type diverging three way valve according to any one of claim 1-5, is characterized in that, is provided with valve seal plate between described valve body and described plate, arranges valve bonnet seal plate between described valve gap and described plate.
7. spile type diverging three way valve according to claim 6, it is characterized in that, the first elastic component is provided with between described valve body and described valve seal plate, the second elastic component is provided with between described valve gap and described valve bonnet seal plate, described first elastic component is used for applying towards the thrust of described plate to described valve seal plate, and described second elastic component is used for applying towards the thrust of described plate described valve bonnet seal plate.
8. spile type diverging three way valve according to claim 7, it is characterized in that, described first elastic component and described second elastic component are multiple, multiple described first elastic component is arranged along the length direction interval of described plate, and multiple described second elastic component is arranged along the length direction interval of described plate.
9. spile type diverging three way valve according to claim 7, is characterized in that, described first elastic component is valve body spring, and described second elastic component is valve gap spring.
10. spile type diverging three way valve according to claim 4, is characterized in that, described valve rod embeds in described shell, is provided with seal ring between the outer surface of described valve rod and the inwall of described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510930028.XA CN105351567A (en) | 2015-12-15 | 2015-12-15 | Plate-insert three-way diverging valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510930028.XA CN105351567A (en) | 2015-12-15 | 2015-12-15 | Plate-insert three-way diverging valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105351567A true CN105351567A (en) | 2016-02-24 |
Family
ID=55327597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510930028.XA Pending CN105351567A (en) | 2015-12-15 | 2015-12-15 | Plate-insert three-way diverging valve |
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| Country | Link |
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| CN (1) | CN105351567A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109806008A (en) * | 2019-04-01 | 2019-05-28 | 刘艳 | A kind of ultrasonic probe protection suit |
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| CN2108210U (en) * | 1991-11-12 | 1992-06-24 | 同济大学 | Plate type gate valve for cinder, particle material |
| CN2395098Y (en) * | 1999-08-30 | 2000-09-06 | 沈阳市蝶阀厂 | Flange plate gate valve |
| CN101081663A (en) * | 2006-05-31 | 2007-12-05 | 株式会社松井制作所 | Switching device |
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| CN201661727U (en) * | 2010-04-14 | 2010-12-01 | 北京中煤矿山工程有限公司 | T-joint for wet-type concrete sprayer |
| CN201902607U (en) * | 2010-11-01 | 2011-07-20 | 深圳市首熙机械设备有限公司 | Single-cylinder pipeline type proportional valve |
| CN204176003U (en) * | 2014-09-10 | 2015-02-25 | 温州市石化机械阀门有限公司 | Air-driven type gate valve |
| CN205298659U (en) * | 2015-12-15 | 2016-06-08 | 岳阳东方自控工程设备有限公司 | Picture peg formula tee bend flow divider |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5029608A (en) * | 1990-06-08 | 1991-07-09 | Triten Corporation | Diverter valve |
| CN2108210U (en) * | 1991-11-12 | 1992-06-24 | 同济大学 | Plate type gate valve for cinder, particle material |
| CN2395098Y (en) * | 1999-08-30 | 2000-09-06 | 沈阳市蝶阀厂 | Flange plate gate valve |
| CN101081663A (en) * | 2006-05-31 | 2007-12-05 | 株式会社松井制作所 | Switching device |
| CN201133483Y (en) * | 2007-11-30 | 2008-10-15 | 河南开封高压阀门有限公司 | Combined shutter heavy caliber hard seal flat gate valve |
| CN201661727U (en) * | 2010-04-14 | 2010-12-01 | 北京中煤矿山工程有限公司 | T-joint for wet-type concrete sprayer |
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| CN204176003U (en) * | 2014-09-10 | 2015-02-25 | 温州市石化机械阀门有限公司 | Air-driven type gate valve |
| CN205298659U (en) * | 2015-12-15 | 2016-06-08 | 岳阳东方自控工程设备有限公司 | Picture peg formula tee bend flow divider |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109806008A (en) * | 2019-04-01 | 2019-05-28 | 刘艳 | A kind of ultrasonic probe protection suit |
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Application publication date: 20160224 |