CN102700737B - Seal valve for powder conveying - Google Patents
Seal valve for powder conveying Download PDFInfo
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- CN102700737B CN102700737B CN201210206674.8A CN201210206674A CN102700737B CN 102700737 B CN102700737 B CN 102700737B CN 201210206674 A CN201210206674 A CN 201210206674A CN 102700737 B CN102700737 B CN 102700737B
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Abstract
The invention discloses a seal valve for powder conveying. The seal valve comprises a male valve and a female valve which are oppositely and detachably connected, wherein the male valve comprises a male valve body with a feed inlet connected with a material barrel and a male valve plate which is slidably connected with the male valve body and used for opening and closing the feed inlet; the female valve comprises a female valve body with a discharge hole connected with a production equipment feed port or a product discharge hole and a female plate which is slidably connected with the female valve body and used for opening and closing the discharge hole; and when the male valve and the female valve are connected, and the feed inlet and the discharge hole are both opened, the feed inlet and the discharge hole are communicated. The seal valve for powder conveying consists of the male valve and the female valve, and generally, the male valve is arranged on a mobile type powder container such as a small powder barrel or a powder bag, and the female valve is arranged on a powder feed port or a powder product discharge hole of large-size production equipment, so that the problem of powder flying is radically solved.
Description
Technical field
the present invention relates to a kind of seal valve for powder transmission, for the hermetic type powder of chemical industry, medicine, cosmetics and food service industry, carry.
Background technology
at present traditional granular material packing nothing is outward in closed type barrel or packed, packing itself do not arrange special be easy to switch again airtight powder import and export, so having a large amount of dust in powder packaging or the process of feeding intake of unpacking wafts and brims with, not only dangerous but also waste very much, special equipment or facility be need to be equipped with and powder isolation or recovery carried out.Seeming this problem is easy to solve, as long as a sealed valve is respectively installed on manufacturing line discharging opening, inlet point and packing container, packing or when operation of feeding intake, both connections just can be realized without dust elegant, but in fact operated, take apart while connecting, be trapped in outside powder between two valves will be exposed to, cause same problem.In addition, be difficult to realize the interlock function between corresponding valve, on market, also there is no in other words this type of special linkage valve.
Summary of the invention
in order to address the above problem, the object of the present invention is to provide a kind of seal valve for powder transmission.
in order to reach above object, the technical solution used in the present invention is: for the seal valve of powder transmission, it comprises public valve and the main-valve connecting separatably mutually, public valve comprises the public valve body with the inlet point being connected with charging basket, with public valve body phase sliding block joint for opening and closing the public valve plate of inlet point, main-valve comprises the main-valve body with the discharging opening being connected with production facilities dog-house or outlet for product, with main-valve body phase sliding block joint for opening and closing the main-valve plate of discharging opening, when public valve is connected with main-valve and when inlet point and discharging opening all open, inlet point is connected with discharging opening.
preferably, be provided with the pull bar that is connected with main-valve plate and pulls main-valve plate to slide on main-valve body, pull bar has projection, offers the groove matching with this projection on public valve plate, and when public valve is connected with main-valve, projection is positioned at groove.
more preferably, have the mating groove that public valve body matches on main-valve body, when public valve is connected with main-valve, public valve body inserts in this mating groove, and for outward appearance is more attractive in appearance, public valve body is preferably included in mating groove; When public valve and main-valve are separated, public valve body departs from mating groove.
further, on main-valve, be provided with main-valve self-locking device, this main-valve self-locking device comprises the first draw-in groove being opened on main-valve plate, be opened in the first pin-and-hole on main-valve body, be inserted in movably in this first pin-and-hole and the lock pin of the first pin-and-hole is stretched out in one end, be positioned at the first pin-and-hole and lock pin is applied to the spring that power makes it have the trend moving towards the direction of stretching out the first pin-and-hole, on lock pin, there is an Access Division, this Access Division and the clamping separatably mutually of the first draw-in groove, when public valve is connected with main-valve, lock pin is taken in the first pin-and-hole, the Access Division of lock pin and the first draw-in groove are separated, when public valve and main-valve are separated, the first pin-and-hole is stretched out in one end of lock pin, Access Division and the first draw-in groove phase clamping.
further, on public valve, be provided with public valve self-locking device, this public affairs valve self-locking device comprise the second draw-in groove of being opened on public valve plate, be movably arranged on public valve body and with the second draw-in groove fixture block of clamping separatably mutually.
preferably, public valve self-locking device also comprises and is opened in the public valve slideway on public valve body and is arranged on movably the slide bar with the first wall in this public affairs valve slideway, one end of fixture block is with the second draw-in groove phase clamping other end and the first wall is departing offsets, when slide bar is during in primary importance, fixture block and the second draw-in groove phase clamping, and the other end of the first wall and fixture block offsets, when slide bar is during in the second place, the first wall and fixture block are separated.
more preferably, slide bar comprises second body of rod that first body of rod that fixes and cross-sectional plane are less than first body of rod, and the first wall is the outer wall of first body of rod, and when slide bar is during in the second place, the outer wall of second body of rod is relative with fixture block.
further, on main-valve, be provided with public valve deblocking device, this public affairs valve deblocking device comprises the main-valve slideway being opened on main-valve body and is arranged on movably the head part in this main-valve slideway, when public valve is connected with main-valve, one end of head part is relative with one end of slide bar, and when head part is during in the 3rd position, slide bar is in primary importance, when head part is during in the 4th position, one end of head part enters in public valve slideway and slide bar is pushed into the second place.
further, on main-valve body, have mating groove, public valve body is positioned at this mating groove separatably, on a sidewall of mating groove, offers the second pin-and-hole; Head part comprises the first noumenon and the second body being connected, the contrary other end in one end with being connected in the second body of the first noumenon has ejector pin, ejector pin is movably located in the second pin-and-hole, when public valve body is positioned at mating groove, the end of ejector pin is relative with one end of slide bar, and when head part is during in the 3rd position, ejector pin is positioned at the second pin-and-hole, when head part is during in the 4th position, the end of ejector pin is stretched out the second pin-and-hole and is entered in public valve slideway slide bar is pushed into the second place.
preferably, on another sidewall of mating groove, offer the 3rd pin-and-hole; When public valve body is positioned at mating groove and head part in the 4th position, the other end of slide bar stretches out public valve slideway and enters the 3rd pin-and-hole.
the present invention, for the seal valve of powder transmission, by adopting technique scheme, has fundamentally solved dust and has wafted and brimed with problem.This hermetic type powder transmission valve is comprised of public valve and main-valve, common public valve is arranged on such as small-size powder charging basket, on the portable power holding containers such as powder bag, main-valve is installed on the powder dog-house or powder products export of big scale production equipment, under NOT operation operating mode, both work for each master and in self-locking closed condition (extraordinary circumstances can be opened with specially designed switching tools), when male and female valve is in conjunction with after also pinning, male and female valve plate is combined closely and is become one, valve plate self-locking device is untied automatically, allow to carry out opening and closing operations, when powder transmission end-of-job, must close in advance and lock valve plate, otherwise cannot separated male and female valve, to stop maloperation, allow powder expose and even leak the possibility of spreading.Overall process, is to complete in the environment of a sealing, and transmitting procedure spreads without dust, thoroughly stops cross pollution; Tight power operation logical design, has stopped the generation of maloperation completely; Operating process simply, quick safety again; Product structure is exquisite, and installation and operational space require extremely low; Press relevant criterion design and manufacture both at home and abroad, be applicable to high cleaning ambient.
Accompanying drawing explanation
fig. 1 is the birds-eye view of public valve in the present invention;
fig. 2 is the upward view of public valve in the present invention;
fig. 3 is the A-A face cutaway view of public valve in the present invention;
fig. 4 is the B-B face cutaway view of public valve in the present invention;
fig. 5 is the 1-1 face cutaway view of public valve in the present invention;
fig. 6 is the fractionation structural representation of public valve in the present invention;
fig. 7 is the structural representation of public valve plate in the present invention;
fig. 8 is the birds-eye view of main-valve in the present invention;
fig. 9 is the upward view of main-valve in the present invention;
figure 10 is the C-C face cutaway view of main-valve in the present invention;
figure 11 is the 2-2 face cutaway view of main-valve in the present invention;
figure 12 is the 3-3 face cutaway view of main-valve in the present invention;
figure 13 is the fractionation structural representation of main-valve in the present invention.
number in the figure is:
100, public valve;
110, public valve body; 111, inlet point; 112, fixture block; 113, public valve slideway; 114, a spring;
120, public valve plate; 121, groove; 122, the second draw-in groove;
130, slide bar; 131, first body of rod; 132, second body of rod;
140, the first release lever; 141, connecting rod;
200, main-valve;
210, main-valve body; 211, discharging opening; 212, the first pin-and-hole; 213, the second pin-and-hole; 214, the 3rd pin-and-hole; 215, lock pin; 216, spring; 217, main-valve slideway; 218, mating groove; 219, Access Division;
220, main-valve plate; 221, the first draw-in groove; 222, a groove;
230, pull bar; 231, projection;
241, the first noumenon; 242, the second body; 243, ejector pin; 244, sliding pin; 245, chute;
250, the second release lever; 251, projection.
The specific embodiment
below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
structural representation from accompanying drawing 1 to accompanying drawing 13 can be found out, the invention provides the seal valve for powder transmission, it comprises public valve 100 and the main-valve 200 connecting separatably mutually, public valve 100 comprises the public valve body 110 with the inlet point 111 being connected with charging basket, with public valve body 110 phase sliding block joints for opening and closing the public valve plate 120 of inlet point 111, main-valve 200 comprises the main-valve body 210 with the discharging opening 211 being connected with production facilities dog-house or outlet for product, with main-valve body 210 phase sliding block joints for opening and closing the main-valve plate 220 of discharging opening 211, when public valve 100 is connected with main-valve 200 and when inlet point 111 opens with discharging opening 211 simultaneously, inlet point 111 is connected with discharging opening 211.Inlet point 111 and discharging opening 211 arrange manufacture according to international standard size.
on main-valve body 210, have the mating groove 218 that public valve body 110 matches, when public valve 100 is connected with main-valve 200, public valve body 110 is positioned at this mating groove 218, and when public valve 100 is separated with main-valve 200, public valve body 110 departs from mating groove 218.In the present embodiment, establish when public valve 100 is connected with main-valve 200, public valve 100 is upper, main-valve 200 under, the moving direction of public valve plate 120 and main-valve plate 220 is fore-and-aft direction.Discharging opening 211 is opened on the bottom surface of mating groove 218.
on main-valve body 210, be provided with the pull bar 230 that is connected with main-valve plate 220 and pulls main-valve plate 220 to slide, pull bar 230 has projection 231, on public valve plate 120, offer the groove 121 matching with this projection 231, when public valve 100 is connected with main-valve 200, projection 231 is positioned at groove 121.In the present embodiment, projection 231 is arranged on the lower surface of public valve plate 120, and the clamping that also matches with protruding 231 by a groove 222 of main-valve plate 220 and pull bar 230, a groove 222 is opened on the upper surface of main-valve plate 220; Pull bar 230 is threaded mutually with main-valve body 210, on main-valve body 210, offer a tapped bore being connected with mating groove 218, pull bar 230 is connected with main-valve plate 220 through this tapped bore, when pull bar 230 rotates, can pull main-valve plate 220(and public valve plate 120) slide.
on main-valve 200, be provided with main-valve self-locking device, this main-valve self-locking device comprises the first draw-in groove 221 of being opened on main-valve plate 220, be opened in the first pin-and-hole 212 on main-valve body 210, be inserted in this first pin-and-hole 212 movably and one end stretch out the first pin-and-hole 212 lock pin 215, be positioned at the first pin-and-hole 212 and lock pin 215 applied to the spring 216 that power makes it have the trend moving towards the direction of stretching out the first pin-and-hole 212.Lock pin 215 in the present embodiment comprises columniform Access Division 219 and columniform connecting portion, the first pin-and-hole 212 is stretched out in one end of connecting portion, the other end and Access Division 219 fix, the diameter of connecting portion is less than Access Division 219, and connecting portion parallels with the axial line of Access Division 219, Access Division 219 and the first draw-in groove 221 phase clampings, connecting portion does not contact with the first draw-in groove 221, the first pin-and-hole 212 is provided with two, be opened on the bottom surface of mating groove 218, and lay respectively at the left and right sides of main-valve plate 220, corresponding the first draw-in groove 221 is also provided with two and lay respectively at the left and right sides of main-valve plate 220, when public valve 100 is connected with main-valve 200, be that public valve body 110 is while being positioned at main- valve body 210, 110 pairs of lock pins 215 of public valve body are exerted pressure, lock pin 215 income the first pin-and-holes 212, Access Division 219 and the first draw-in groove 221 are separated, when public valve 100 is separated with main-valve 200, lock pin 215 moves reset under the effect of spring 216, the first pin-and-hole 212 is stretched out in one end of lock pin 215, Access Division 219 and the first draw-in groove 221 phase clampings.Structure by above-mentioned main-valve self-locking device arranges, and makes to be connected with main-valve 200 when public valve 100, and main-valve plate 220 can automatic unlocking, and when public valve 100 and main-valve 200 are separated, main-valve plate 220 can automatically lock.
on public valve 100, be provided with public valve self-locking device, this public affairs valve self-locking device comprise the second draw-in groove 122 of being opened on public valve plate 120, be movably arranged on public valve body 110 and with the second draw-in groove 122 fixture block 112 of clampings separatably mutually, the second draw-in groove 122 and fixture block 112 are respectively provided with two, and lay respectively at separately the left and right sides of public valve plate 120.On public valve body 110, be provided with the first release lever 140, it is between two fixture blocks 112, and be connected with two fixture blocks 112 respectively by two connecting rods 141, when the first release lever 140 rotates, connecting rod 141 drives fixture block 112 to move and departs from the second draw-in groove 122.
public valve self-locking device also comprises and is opened in the public valve slideway 113 on public valve body 110 and is arranged on movably the slide bar with the first wall 130 in this public affairs valve slideway 113, one end of fixture block 112 is with the second draw-in groove 122 phase clamping other ends and the first wall is departing offsets, when slide bar 130 is during in primary importance, fixture block 112 and the second draw-in groove 122 phase clampings, and the other end of the first wall and fixture block 112 offsets, now owing to there being stopping of the first wall, fixture block 112 and the second draw-in groove 122 can not depart from, thereby the first release lever 140 is not rotatable yet, when slide bar 130 is during in the second place, the other end of the first wall and fixture block 112 is separated, now lost stopping of the first wall, rotate the first release lever 140 can make the fixture block 112 of the left and right sides can be respectively two side shiftings being separated with the second draw-in groove 122 to the left and right.The cross-sectional plane of first body of rod 131 in the present embodiment is rectangle, the cross-sectional plane of second body of rod 132 is circular, on the end face of the one end offseting with the first wall at fixture block 112, offer the groove matching with second body of rod 132, when slide bar 130 is during in the second place, this groove is relative with second body of rod 132, when mobile fixture block 112, second body of rod 132 enters in groove, and when slide bar 130 is during in primary importance, first body of rod 131 is all mismatched with the shape and size of groove, therefore the first wall and fixture block 112 offset and can not enter in groove, the saving space that the structure design of the groove in the present embodiment can fixture block 112 moves.
on main-valve 200, be provided with public valve deblocking device, this public affairs valve deblocking device comprises the main-valve slideway 217 being opened on main-valve body 210 and is arranged on movably the head part in this main-valve slideway 217, when public valve 100 is connected with main-valve 200, one end of head part is relative with one end of slide bar 130, when head part is during in the 3rd position, slide bar 130 is in primary importance, and when head part is during in the 4th position, one end of head part enters in public valve slideway 113 and slide bar 130 is pushed into the second place.
on a sidewall of mating groove 218, offer the second pin-and-hole 213, on another sidewall relative with a sidewall of mating groove 218, offer the 3rd pin-and-hole 214, head part comprises the first noumenon 241 and the second body 242 being connected, the contrary other end in one end that is connected with the second body 242 of the first noumenon 241 has ejector pin 243, ejector pin 243 is movably located in the second pin-and-hole 213, the contrary other end in one end that is connected with the first noumenon 241 of the second body 242 has sliding pin 244, sliding pin 244 is movably located in the 3rd pin-and-hole 214, when public valve body 110 is positioned at mating groove 218, the end of ejector pin 243 is relative with one end of slide bar 130, the end of sliding pin 244 is relative with the other end of slide bar 130, when head part is during in the 3rd position, ejector pin 243 is positioned at the second pin-and-hole 213, sliding pin 244 is positioned at the 3rd pin-and-hole 214, when head part moves to the 4th position, the end of ejector pin 243 is stretched out the second pin-and-hole 213 and is entered that public valve slideway 113 is interior is pushed into the second place by slide bar 130, the 3rd pin-and-hole 214 is exited in the end of sliding pin 244 simultaneously, the other end of slide bar 130 stretches out public valve slideway 113 and enters the 3rd pin-and-hole 214.
in public valve slideway 113, be also provided with and slide bar 130 is applied to power make it from the second place, move to a spring 114 of primary importance.
such structure setting, both can make again public valve body 110 can not depart from mating groove 218 release of public valve self-locking device, and to guarantee when powder transmits, male and female valve connects firm not separated; Described before, when slide bar 130 is when the second place and fixture block 112 and the second draw-in groove 122 are separated, the other end of fixture block 112 enter in public valve slideway 113 and with the clamping of step phase, now, owing to there being fixture block 112 to stop, block step, slide bar 130 cannot reset, thereby when powder transmission end-of-job, must close in advance male and female valve plate and lock public valve lockout devices, otherwise cannot separated male and female valve, to stop maloperation, allow powder expose even to leak spread may.
on main-valve body 210, be provided with rotationally the second release lever 250, on the second release lever 250, there is a projection 251, the axial line of this projection 251 parallels with the rotating shaft of the second release lever 250, on the first noumenon 241 of push rod, offer a chute 245, projection 251 can movably be positioned at chute 245, when rotating the second release lever 250, under the effect of eccentric projection 251, drive push rod to move.
the present invention has fundamentally solved dust and has wafted and brimed with problem, by special design concept, eliminated the transmission space between two valves, stop the powder possibility residual in airtightless space territory, two valve interlock functions have been realized again simultaneously, only can open after in conjunction with locking two valves are tight, or valve closing could be separated by two valves after tight.
above embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art understand content of the present invention and implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (9)
1. the seal valve for powder transmission, it is characterized in that: it comprises public valve (100) and the main-valve (200) connecting separatably mutually, described public valve (100) comprises the public valve body (110) with the inlet point (111) being connected with charging basket, be used for opening and closing the public valve plate (120) of inlet point (111) with described public valve body (110) phase sliding block joint, described main-valve (200) comprises the main-valve body (210) with the discharging opening (211) being connected with production facilities dog-house or outlet for product, be used for opening and closing the main-valve plate (220) of discharging opening (211) with described main-valve body (210) phase sliding block joint, when described public valve (100) is connected with main-valve (200) and when described inlet point (111) and discharging opening (211) all open, described inlet point (111) is connected with discharging opening (211), on described public valve (100), be provided with public valve self-locking device, this public affairs valve self-locking device comprise the second draw-in groove (122) of being opened on described public valve plate (120), be movably arranged on described public valve body (110) upper and with described the second draw-in groove (122) fixture block (112) of clamping separatably mutually.
2. the seal valve for powder transmission according to claim 1, it is characterized in that: on described main-valve body (210), be provided with and be connected with main-valve plate (220) and the pull bar (230) for pulling main-valve plate (220) to slide, described pull bar (230) has projection (231), on described public valve plate (120), offer the groove (121) matching with this projection (231), when described public valve (100) is connected with main-valve (200), described projection (231) is positioned at groove (121).
3. the seal valve for powder transmission according to claim 1, it is characterized in that: on described main-valve body (210), there is the mating groove (218) matching with public valve body (110), when described public valve (100) is connected with main-valve (200), described public valve body (110) inserts in mating groove (218), when described public valve (100) and main-valve (200) are separated, described public valve body (110) departs from mating groove (218).
4. the seal valve for powder transmission according to claim 1, it is characterized in that: described main-valve is provided with main-valve self-locking device on (200), this main-valve self-locking device comprises the first draw-in groove (221) being opened on described main-valve plate (220), be opened in the first pin-and-hole (212) on described main-valve body (210), be inserted in movably in this first pin-and-hole (212) and the lock pin (215) of the first pin-and-hole (212) is stretched out in one end, be positioned at described the first pin-and-hole (212) and lock pin (215) power of applying made it have to the spring (216) of the trend moving towards the direction of stretching out the first pin-and-hole (212), lock pin has an Access Division on (215), this Access Division and described the first draw-in groove (221) clamping separatably mutually, when described public valve (100) is connected with main-valve (200), described lock pin (215) income the first pin-and-hole (212), the Access Division of lock pin and the first draw-in groove (221) are separated, when described public valve (100) and main-valve (200) are separated, the first pin-and-hole (212) is stretched out in one end of described lock pin (215), Access Division and the first draw-in groove (221) phase clamping.
5. the seal valve for powder transmission according to claim 1, it is characterized in that: described public valve self-locking device also comprises and is opened in the public valve slideway (113) on described public valve body (110) and is arranged on movably the slide bar with the first wall (130) in this public affairs valve slideway (113), one end of described fixture block (112) and the second draw-in groove (122) phase clamping, the other end and departing the offseting of described the first wall, when described slide bar (130) is during in primary importance, described fixture block (112) and the second draw-in groove (122) phase clamping, and the other end of described the first wall and fixture block (112) offsets, when described slide bar (130) is during in the second place, described the first wall and fixture block (112) are separated.
6. the seal valve for powder transmission according to claim 5, it is characterized in that: described slide bar (130) comprises second body of rod (132) that first body of rod (131) that fixes and cross-sectional plane are less than described first body of rod (131), the first described wall is the outer wall of first body of rod (131), when described slide bar (130) is during in the second place, the outer wall of described second body of rod (132) is relative with fixture block (112).
7. the seal valve for powder transmission according to claim 5, it is characterized in that: on described main-valve (200), be provided with public valve deblocking device, this public affairs valve deblocking device comprises the main-valve slideway (217) being opened on described main-valve body (210) and is arranged on movably the head part in this main-valve slideway (217), when described public valve (100) is connected with main-valve (200), one end of described head part is relative with the one end of slide bar (130), when described head part is during in the 3rd position, described slide bar (130) is in primary importance, when described head part is during in the 4th position, one end of described head part enters in public valve slideway (113) and slide bar (130) is pushed into the second place.
8. the seal valve for powder transmission according to claim 7, it is characterized in that: on described main-valve body (210), there is mating groove (218), described public valve body (110) is positioned at this mating groove (218) separatably, offers the second pin-and-hole (213) on a sidewall of described mating groove (218), described head part comprises the first noumenon (241) and the second body (242) being connected, the contrary other end in one end with being connected in the second body (242) of described the first noumenon (241) has ejector pin (243), described ejector pin (243) is movably located in the second pin-and-hole (213), when described public valve body (110) is positioned at mating groove (218), the end of described ejector pin (243) is relative with one end of slide bar (130), when described head part is during in the 3rd position, described ejector pin (243) is positioned at the second pin-and-hole (213), when described head part is during in the 4th position, the end of described ejector pin (243) is stretched out the second pin-and-hole (213) and is entered in described public valve slideway (113) slide bar (130) is pushed into the second place.
9. the seal valve for powder transmission according to claim 8, is characterized in that: on another sidewall of described mating groove (218), offer the 3rd pin-and-hole (214); When described public valve body (110) is positioned at mating groove (218) and head part in the 4th position, the other end of described slide bar (130) stretches out public valve slideway (113) and enters the 3rd pin-and-hole (214).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210206674.8A CN102700737B (en) | 2012-06-21 | 2012-06-21 | Seal valve for powder conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210206674.8A CN102700737B (en) | 2012-06-21 | 2012-06-21 | Seal valve for powder conveying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102700737A CN102700737A (en) | 2012-10-03 |
| CN102700737B true CN102700737B (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210206674.8A Expired - Fee Related CN102700737B (en) | 2012-06-21 | 2012-06-21 | Seal valve for powder conveying |
Country Status (1)
| Country | Link |
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| CN (1) | CN102700737B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112938870B (en) * | 2021-01-27 | 2022-06-24 | 广州市华晟健康产业有限公司 | A automatic filling device for cosmetics production |
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2012
- 2012-06-21 CN CN201210206674.8A patent/CN102700737B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| US3842861A (en) * | 1973-09-27 | 1974-10-22 | Tapco Int Inc | Double disc seal valve |
| JP4713416B2 (en) * | 2006-07-25 | 2011-06-29 | 株式会社ミウラ | Split valve |
| WO2010092395A1 (en) * | 2009-02-12 | 2010-08-19 | Powder Systems Limited | Split valve |
| CN201621305U (en) * | 2010-03-11 | 2010-11-03 | 浙江固特气动机械有限公司 | Gate valve |
| CN102121537A (en) * | 2011-03-05 | 2011-07-13 | 淄博汇华阀业有限公司 | Ceramic-embedded plate valve |
| CN202176733U (en) * | 2011-08-04 | 2012-03-28 | 王为 | Dual-layer airtight gate valve device |
| CN202657260U (en) * | 2012-06-21 | 2013-01-09 | 坚永科技(苏州)有限公司 | Sealing valve used for conveying powder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102700737A (en) | 2012-10-03 |
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