CN209325149U - Bottom valve and centrifuge - Google Patents
Bottom valve and centrifuge Download PDFInfo
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- CN209325149U CN209325149U CN201822167339.7U CN201822167339U CN209325149U CN 209325149 U CN209325149 U CN 209325149U CN 201822167339 U CN201822167339 U CN 201822167339U CN 209325149 U CN209325149 U CN 209325149U
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Abstract
The utility model discloses bottom valve and centrifuges, are related to separation equipment technical field.It include: the mountable bottom valve shell on centrifuge, dust-proof shell, actuator and sealing element；Sealing element includes sealing plate, sealing ring and sealing flange；The bottom of bottom valve shell is equipped with discharge port；Dust-proof shell is mounted on the intracorporal top of bottom valve shell, forms the tapping channel being connected to centrifuge discharge port between bottom valve shell；Sealing ring is sheathed on sealing plate；Sealing flange is mounted on the bottom of bottom valve shell；Actuator suspension is installed on the intracorporal top of dustproof shell, and sealing plate suspension is installed on actuator, sealing plate stretches out dustproof shell in vitro so that actuator driving sealing plate switches between the first station and second station；When sealing plate is in the first station, actuator driving sealing plate moves downwardly to sealing plate and is locked by sealing ring and sealing flange sealing；When sealing plate is in second station, actuator driving sealing plate moves up to original position；The bottom valve is good to the sealing effect of centrifuge.
Description
Technical field
The utility model relates to separation equipment technical fields, especially bottom valve and centrifuge.
Background technique
Currently, the closed bottom valve used at the discharge port of centrifugation motor spindle is mostly butterfly valve, the effect of butterfly valve is be centrifuged
Centrifuge bottom discharge openings are sealed by machine when running, and are prevented gas etc. from leaking to outside centrifuge, are also prevented from machine external environment shadow
Ring product and centrifuge operation etc. in machine；After material is de- dry in machine, butterfly valve is opened, and discharge port opens wide, and centrifuge starts discharging；
After centrifuge discharging, butterfly valve is closed；
During centrifuge discharging, the material in machine needs to pass through from valve and draw off outside machine every time, repeatedly unloads
After material, butterfly valve makes the sealing effect of centrifuge poor, concrete reason are as follows: when discharging, butterfly valve is dish plate along 90 degree of central axis
It opens, vertical with butterfly valve mouth, the dish plate of 90 degree of openings is located at the center of butterfly valve mouth, and volume is larger, greatly reduces discharging
Mouthful aisle spare, causes often to be easy to happen blocking phenomenon, and when discharging, which terminates, to close, dish plate is due to the accumulation of material or viscous
It is attached can not be closed tight, lead to the effect of the sealing to centrifuge worse and worse.
Utility model content
The purpose of this utility model is to provide bottom valve and centrifuge, the bottom valve is good to the sealing effect of centrifuge.
To achieve the above object, the utility model the following technical schemes are provided:
One side according to the present utility model, provides bottom valve, comprising: the mountable bottom valve shell on centrifuge, dust-proof
Shell, actuator and sealing element；Wherein, the sealing element includes and seal, sealing ring and sealing flange；The bottom valve
The bottom of shell is equipped with discharge port；The bottom valve shell is inverted round stage structure；The bottom of the dust-proof shell is equipped with described in permission
The entrance that seal enters and leaves；
The dust-proof shell be mounted on the top of the bottom valve enclosure interior and between the bottom valve shell formed with from
The tapping channel of scheming discharge port connection；
The sealing ring is sheathed on the seal；Positioned at the discharge outlet, the sealing flange is mounted on described
The bottom of bottom valve shell；
The actuator suspension is installed on the top of the dust-proof enclosure interior, and the seal suspension is installed on the drive
On moving part and the seal be located in the dustproof shell body so that the actuator drive the seal the first station with
And switch between second station；
When the seal is in the first station, the actuator drives the seal to move downwardly to the seal
It is locked by the sealing ring and sealing flange sealing；
When the seal is in second station, the actuator drives the seal to move up to original position.
Further, the seal is sealing plate；The bottom valve further includes elastic component；
The one end of the elastic component is installed on the top of the dust-proof enclosure interior, and the other end is installed on the sealing
On plate.
Further, the bottom valve further includes hanger bracket；
The hanger bracket suspension is installed on the top of the dust-proof enclosure interior；
The one end of the elastic component is installed on the hanger bracket, and the other end is installed on the sealing plate.
Further, the hanger bracket includes two hanger bars for being relatively arranged on the top of the dust-proof enclosure interior；
The bottom valve includes two elastic components corresponding with the hanger bar；
The one end of the elastic component is installed in the hanger bar, and the other end is installed on the sealing plate.
Further, the elastic component is spring or elastic tube.
Further, the actuator includes cylinder and air supply pipe；Wherein, being equipped on the air supply pipe can be with the external world
The gas connector of feeder connection；
The cylinder suspension is installed on the top of the dust-proof enclosure interior；
The air supply pipe is connected to the cylinder.
Further, the sealing element further includes airtight seal；The actuator further includes extending tracheae；
The hermetic seal snare is set on the sealing plate；
Described one end for extending tracheae is connected to the air supply pipe, and the other end is connected to the airtight seal.
Further, the dust-proof shell is inverted round stage structure.
Further, the sealing ring is O-ring seal.
Another aspect according to the present utility model, provides centrifuge, the bottom valve provided including above-mentioned technical proposal.
Compared with prior art, the utility model has the following beneficial effects:
Bottom valve according to the present utility model, comprising: the mountable bottom valve shell on centrifuge, dust-proof shell, actuator
And sealing element；Wherein, the sealing element includes and seal, sealing ring and sealing flange；The bottom of the bottom valve shell
Equipped with discharge port；The bottom valve shell is inverted round stage structure；The bottom of the dust-proof shell, which is equipped with, allows the seal to enter and leave
Entrance；The dust-proof shell be mounted on the top of the bottom valve enclosure interior and between the bottom valve shell formed with
The tapping channel of centrifuge discharge port connection；The sealing ring is sheathed on the seal；It is described positioned at the discharge outlet
Sealing flange is mounted on the bottom of the bottom valve shell；The actuator suspension is installed on the top of the dust-proof enclosure interior,
The seal suspension is installed on the actuator and the seal is located in the dustproof shell body so that the actuator
The seal is driven to switch between the first station and second station；When the seal is in the first station, the drive
Moving part drives the seal to move downwardly to the seal and is locked by the sealing ring and sealing flange sealing；When
For the seal in second station, the actuator drives the seal to move up to original position；For the bottom valve,
At runtime, actuator driving seal moves downwardly to seal and is locked by sealing ring and sealing flange sealing centrifuge,
I.e. seal seals discharge port, so that seal and bottom valve shell form a closed space, to realize to centrifuge
Sealing, entered in bottom valve shell during moving downward by dust-proof shell；When centrifuge discharging, actuator drives seal
Move up to original position, i.e., seal restores to original position, seal by discharge port opening, due to bottom valve shell and dust-proof shell it
Between form the tapping channel that is connected to centrifuge discharge port, therefore the material in centrifuge then flows out to bottom valve shell from tapping channel
The bottom in internal portion, the inside of bottom valve shell is expelled to by discharge port, the discharging of centrifuge is realized, the bottom of by during moving upwards
Valve chest enters in dustproof shell body；Seal is constantly in dustproof shell body in centrifuge discharge process, so that discharging is logical
Road is more unimpeded, so that material is not influenced during flowing out from tapping channel by seal, therefore can be avoided on seal
Adherency or stacking material, so that the bottom valve is good to the sealing effect of centrifuge.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of bottom valve provided by the embodiment of the utility model；
Fig. 2 is the sectional view of sealing ring part in bottom valve provided by the embodiment of the utility model.
Icon: 10- bottom valve shell；101- discharge port；The dust-proof shell of 20-；30- actuator；301- cylinder；302- gas supply
Pipe；303- gas connector；40- sealing element；401- sealing plate；402- sealing ring；4021- sealing ring body；4022- outer seal lip；
Sealing lip in 4023-；4024-V type groove；4025- methyl vinyl silicone rubber ring；403- sealing flange；The airtight seal of 404-；
50- tapping channel；60- elastic component；601- elastic tube；70- hanger bracket；701- hanger bar.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment
One aspect according to the present utility model provides bottom valve, as shown in Figure 1, comprising: the mountable bottom on centrifuge
Valve chest 10, dust-proof shell 20, actuator 30 and sealing element 40；Wherein, sealing element 40 includes and seal, sealing ring 402
And sealing flange 403；The bottom of bottom valve shell 10 is equipped with discharge port 101；Bottom valve shell 10 is inverted round stage structure；Dust-proof shell
20 bottom is equipped with the entrance for allowing the seal to enter and leave；
Dust-proof shell 20 is mounted on the top inside bottom valve shell 10 and is formed between bottom valve shell 10 and unloaded with centrifuge
The tapping channel 50 of material mouth connection；
Sealing ring 402 is sheathed on seal；At discharge port 101, sealing flange 403 is mounted on bottom valve shell 10
Bottom；
Actuator 30, which is hung, is installed on top dust-proof shell 20 inside, seal hang be installed on actuator 30 and
Seal is located in dust-proof shell 20 so that actuator 30 drives seal to switch between the first station and second station；
When seal is in the first station, the driving seal of actuator 30 moves downwardly to seal and passes through sealing ring 402
It seals and locks with sealing flange 403；
When seal is in second station, actuator 30 drives seal to move up to original position.
Bottom valve according to the present utility model, for the bottom valve, at runtime, the driving of actuator 30 seals centrifuge
Plate 401 moves downwardly to sealing plate 401 and is locked by sealing ring 402 and the sealing of sealing flange 403, i.e., sealing plate 401 will discharge
Mouth 101 seals, so that sealing plate 401 and bottom valve shell 10 form a closed space, to realize to the close of centrifuge
Envelope, is entered in bottom valve shell 10 during moving downward by dust-proof shell 20；When centrifuge discharging, the driving sealing of actuator 30
Plate 401 moves up to original position, i.e. sealing plate 401 restores to original position, and sealing plate 401 is open by discharge port 101, due to bottom valve
The tapping channel 50 being connected to centrifuge discharge port is formed between shell 10 and dust-proof shell 20, therefore the material in centrifuge is then
The bottom inside bottom valve shell 10 is flowed out to from tapping channel 50, the inside of bottom valve shell 10 is expelled to by discharge port 101, is realized
The discharging of centrifuge is entered in dust-proof shell 20 during moving upwards by bottom valve shell 10；Sealing plate 401 is unloaded in centrifuge
It during material, is constantly in dust-proof shell 20, so that tapping channel 50 is more unimpeded, so that material is flowed out from tapping channel 50
During do not influenced by sealing plate 401, therefore can be avoided on sealing plate 401 adherency or stacking material, so that the bottom
Valve is good to the sealing effect of centrifuge；
It should be noted that bottom valve shell 10 is inverted round stage structure, i.e. bottom valve shell for the structure of bottom valve shell 10
The side wall of body 10 tilts down, and on the one hand flows out out of tapping channel 50 convenient for material, is on the other hand so that being located at dustproof shell
Sealing plate 401 in body 20 can seal seal；
For the structure of dust-proof shell 20, dust-proof shell 20 can be square structure or inverted round stage structure；
Sealing ring 402 is O-ring seal；In addition, as shown in Fig. 2, sealing ring 402 may be used also are as follows: the sealing ring 402 includes close
There are outer seal lip 4022 and interior in seal ontology 4021, outer seal lip 4022 and interior sealing lip 4023,4021 side of sealing ring body
Sealing lip 4023 forms V-type groove 4024, the slot bottom circle of V-type groove 4024 between outer seal lip 4022 and interior sealing lip 4023
It slips over and crosses, and the notch of V type groove 4024, backwards to sealing ring body 4021, sealing ring body 4021 is sheathed on sealing plate；Its
In, it is compound in V-type groove 4024 to be provided with methyl vinyl silicone rubber ring 4025；
When sealing ring 402 includes sealing ring body 4021, outer seal lip 4022 and interior sealing lip 4023, sealing
When, the compression of outer seal lip 4021 and interior sealing lip 4022 by sealing plate 401 and sealing flange 403, due to outer seal lip
V-type groove 4024 is formed between 4022 and interior sealing lip 4023, so that outer seal lip 4022 and interior sealing lip 4023 and sealing
The contact of flange 403 broadens, so that sealing ring 402 broadens with the contact of sealing flange 403, so that the sealing ring 403
Sealing effect is good, meanwhile, it is compound in V-type groove 4024 to be provided with methyl ethylene silicon rubber rubber ring 4025, it can be improved sealing
When outer seal lip 4022 and interior sealing lip 4023 ductility so that outer seal lip 4022 and interior sealing lip 4023 with it is close
Cover contact is more preferable, so that the sealing effect of the sealing ring 402 is good；
In addition, it should be noted that, Fig. 1 shows be some motion state during sealing plate 401 moves downward.
Preferably, dust-proof shell 20 is inverted round stage structure, when dust-proof shell 20 is inverted round stage structure, dust-proof 20 He of shell
What the tapping channel 50 formed between bottom valve shell 10 integrally tilted down, it can be further convenient for material out of tapping channel 50
Outflow.
According to a kind of embodiment of the utility model bottom valve, as shown in Figure 1, seal is sealing plate, bottom valve further includes
Elastic component 60；
The one end of elastic component 60 is installed on the top inside dust-proof shell 20, and the other end is installed on sealing plate 401.
Bottom valve according to the present utility model, for the elastic component 60, when elastic component 60 is in situ, spring is in
Nature, when sealing plate 401 is in the first station, actuator 30 drives sealing plate 401 to move downward, and sealing plate 401 is downward
During moving gradually downward, spring is gradually stretched, and actuator 30 drives sealing plate 401 to move downwardly to sealing plate 401
When being locked by sealing ring 402 and the sealing of sealing flange 403, spring is in tensional state；When sealing plate 401 is in second station
When, actuator 30 drives sealing plate 401 to move upwards, and during sealing plate 401 gradually moves upwards, spring is gradually pressed
Contracting, during actuator 30 drives sealing plate 401 to restore to original position, spring can restore for sealing plate 401 to original position to provide multiple
Position active force, in addition, spring has guiding role and buffer function to the movement of sealing plate 401, so that sealing plate 401 is transported
It moves more stable and gentle；
Wherein, elastic component 60 is spring or elastic tube.
According to a kind of embodiment of the utility model bottom valve, as shown in Figure 1, bottom valve further includes hanger bracket 70；
Hanger bracket 70 hangs the top being installed on inside dust-proof shell 20；
The one end of elastic component 60 is installed on hanger bracket 70, and the other end is installed on sealing plate 401.
Bottom valve according to the present utility model, bottom valve further include hanger bracket 70, and elastic component 60 is installed on anti-by hanger bracket 70
The top of dirt enclosure interior, since hanger bracket 70 does not have elasticity, when actuator 30 drives sealing plate 401 to move, only
Flexible part 60 is compressed or is stretched, and hanger bracket 70 is used to enhance stability of the elastic component 60 in 401 motion process of sealing plate,
The shaking of elastic component 60 is reduced, to further enhance the stability and gentle property of the movement of sealing plate 401.
According to a kind of embodiment of the utility model bottom valve, as shown in Figure 1, hanger bracket 70 is dust-proof including being relatively arranged on
Two hanger bars 701 at the top inside shell 20；Bottom valve includes two elastic components 60 corresponding with hanger bar 701；
The one end of elastic component 60 is installed in hanger bar 701, and the other end is installed on sealing plate 401.
Bottom valve according to the present utility model, in order to mitigate the weight of the bottom valve, which includes two and is set to relatively
Two hanger bars 701 at the top inside dust-proof shell 20, when hanger bracket 70 includes two hanger bars 701, which includes
Two elastic components 60 corresponding with hanger bar 701, elastic component 60 are mounted on the top inside dust-proof shell 20 by hanger bar 701
Portion；
Two hanger bars 701 are oppositely arranged on the top inside dust-proof shell 20, that is, two elastic components 60 are set relatively
It sets on sealing plate 401, so that sealing plate 401 is able to maintain certain balance during the motion.
According to a kind of embodiment of the utility model bottom valve, as shown in Figure 1, actuator 30 includes cylinder 301 and supplies
Tracheae 302；Wherein, the gas connector 303 that can be connect with extraneous feeder is installed on air supply pipe 302；
Cylinder 301 hangs the top being installed on inside dust-proof shell 20；
Air supply pipe 302 is connected to cylinder 301.
Bottom valve according to the present utility model, when actuator 30 includes cylinder 301 and air supply pipe 302, cylinder 301 drives close
When sealing plate 401 moves downward, extraneous feeder is needed to supply cylinder 301, could make cylinder 301 drive sealing plate 401 to
Lower movement, the process that extraneous feeder is supplied to cylinder 301 are as follows: extraneous feeder is connect with gas connector 303, external world's gas supply
Device is supplied to air supply pipe 302, and air supply pipe 302 delivers the gas in cylinder 301.
It should be noted that seal for sealing ring and actuator in addition to removing for seal and actuator
It include that seal and actuator can also be other structures outside cylinder and air supply pipe, seal and actuator
As long as structure can be realized sealing and unlimited discharge port in the protection scope of this bottom valve.
According to a kind of embodiment of the utility model bottom valve, as shown in Figure 1, sealing element 40 further includes airtight seal 404；
Actuator 30 further includes extending tracheae；
Airtight seal 404 is sheathed on sealing plate 401；
The one end for extending tracheae is connected to air supply pipe 302, and the other end is connected to airtight seal 404.
Bottom valve according to the present utility model, when sealing element 40 further includes airtight seal 404, extraneous feeder is to confession
During tracheae 302 supplies, it is connected to due to extending tracheae with air supply pipe 302, extraneous feeder can be simultaneously to extension
Tracheae gas supply extends tracheae and delivers the gas in airtight seal 404, so that airtight seal 404 expands, it is logical in sealing plate 401
When crossing sealing ring 402 and the sealing locking of sealing flange 403, sealing plate 401 passes through the airtight seal 404 and Sealing Method of expansion simultaneously
403 sealing locking of orchid, the setting of airtight seal 404 further enhance the sealing between the sealing plate 401 and sealing flange 403
Property, to enhance the sealing effect to centrifuge.
Embodiment 2
Above-described embodiment is the statement carried out for bottom valve, which is applied in centrifuge, due to close in the bottom valve
Sealing plate is constantly in dustproof shell body in centrifuge discharge process, so that tapping channel is more unimpeded, so that material is from discharging
Channel is not influenced during flowing out by sealing plate, therefore can be avoided adherency or stacking material on sealing plate, so that should
Bottom valve is good to the sealing effect of centrifuge, so that sealing effect of the centrifuge in discharge process is good.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although utility model is described in detail referring to foregoing embodiments, those skilled in the art should be managed
Solution: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of skills
Art feature is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution the utility model
The range of each embodiment technical solution.
Claims (10)
1. bottom valve characterized by comprising the mountable bottom valve shell on centrifuge, dust-proof shell, actuator and sealing
Part；Wherein, the sealing element includes seal, sealing ring and sealing flange；The bottom of the bottom valve shell is equipped with discharge port；
The bottom valve shell is inverted round stage structure；The bottom of the dust-proof shell is equipped with the entrance for allowing the seal to enter and leave；
The dust-proof shell is mounted on the top of the bottom valve enclosure interior and formation and centrifuge between the bottom valve shell
The tapping channel of discharge port connection；
The sealing ring is sheathed on the seal；Positioned at the discharge outlet, the sealing flange is mounted on the bottom valve
The bottom of shell；
The actuator suspension is installed on the top of the dust-proof enclosure interior, and the seal suspension is installed on the actuator
The upper and described seal is located in the dustproof shell body so that the actuator driving seal is in the first station and the
Switch between two stations；
When the seal is in the first station, the actuator driving seal moves downwardly to the seal and passes through
The sealing ring and sealing flange sealing are locked；
When the seal is in second station, the actuator drives the seal to move up to original position.
2. bottom valve according to claim 1, which is characterized in that the seal is sealing plate；The bottom valve further includes bullet
Property part；
The one end of the elastic component is installed on the top of the dust-proof enclosure interior, and the other end is installed on the sealing plate
On.
3. bottom valve according to claim 2, which is characterized in that the bottom valve further includes hanger bracket；
The hanger bracket suspension is installed on the top of the dust-proof enclosure interior；
The one end of the elastic component is installed on the hanger bracket, and the other end is installed on the sealing plate.
4. bottom valve according to claim 3, which is characterized in that the hanger bracket includes being relatively arranged on the dust-proof shell
Two hanger bars at internal top；The bottom valve includes two elastic components corresponding with the hanger bar；
The one end of the elastic component is installed in the hanger bar, and the other end is installed on the sealing plate.
5. bottom valve according to claim 2, which is characterized in that the elastic component is spring or elastic tube.
6. bottom valve according to claim 2, which is characterized in that the actuator includes cylinder and air supply pipe；Wherein, institute
State the gas connector for being equipped with and being connect on air supply pipe with extraneous feeder；
The cylinder suspension is installed on the top of the dust-proof enclosure interior；
The air supply pipe is connected to the cylinder.
7. bottom valve according to claim 6, which is characterized in that the sealing element further includes airtight seal；The actuator
It further include extending tracheae；
The hermetic seal snare is set on the sealing plate；
Described one end for extending tracheae is connected to the air supply pipe, and the other end is connected to the airtight seal.
8. bottom valve according to claim 1, which is characterized in that the dust-proof shell is inverted round stage structure.
9. bottom valve according to claim 1, which is characterized in that the sealing ring is O-ring seal.
10. centrifuge, which is characterized in that including the described in any item bottom valves of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822167339.7U CN209325149U (en) | 2018-12-20 | 2018-12-20 | Bottom valve and centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822167339.7U CN209325149U (en) | 2018-12-20 | 2018-12-20 | Bottom valve and centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209325149U true CN209325149U (en) | 2019-08-30 |
Family
ID=67728177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822167339.7U Active CN209325149U (en) | 2018-12-20 | 2018-12-20 | Bottom valve and centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209325149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458484A (en) * | 2018-12-20 | 2019-03-12 | 张家港市丁氏机械有限公司 | Bottom valve and centrifuge |
-
2018
- 2018-12-20 CN CN201822167339.7U patent/CN209325149U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458484A (en) * | 2018-12-20 | 2019-03-12 | 张家港市丁氏机械有限公司 | Bottom valve and centrifuge |
| CN109458484B (en) * | 2018-12-20 | 2024-05-10 | 张家港市丁氏机械有限公司 | Bottom valve and centrifuge |
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