CN107983000A - A kind of petroleum transportation pipe is segmented filter plate connector - Google Patents
A kind of petroleum transportation pipe is segmented filter plate connector Download PDFInfo
- Publication number
- CN107983000A CN107983000A CN201711273837.3A CN201711273837A CN107983000A CN 107983000 A CN107983000 A CN 107983000A CN 201711273837 A CN201711273837 A CN 201711273837A CN 107983000 A CN107983000 A CN 107983000A
- Authority
- CN
- China
- Prior art keywords
- filter plate
- body frame
- snap
- transportation pipe
- petroleum transportation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003208 petroleum Substances 0.000 title claims abstract description 25
- 230000011218 segmentation Effects 0.000 claims abstract description 16
- 239000013536 elastomeric material Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
A kind of petroleum transportation pipe segmentation filter plate connector of the present invention discloses a kind of the distance between two filter plates connected by thread fitting relation pair and is adjusted,And the electrical connector that all filter plates can be together mounted and dismounted,It is characterized in that body frame is generally circular,Pressing plate is placed in body frame,The pressing plate is annular plate-like structure,Screw thread is equipped with the outside of the pressing plate,And with body frame thread fitting,Filter pad chamber is equipped between the pressing plate and main body frame bottom,Fixing shrink ring is placed in body frame,Two mounting grooves are provided with the retainer ring,And mounting groove is U-shaped,The mounting groove is built-in with rubber pad,Two snap-gauges are placed in retainer ring respectively,It is and corresponding with two mounting grooves respectively,The snap-gauge section is U-shaped,And generally arcuate structure,The snap-gauge middle inside is symmetrically provided with two U-type grooves,The upper and lower sides of the snap-gauge are equipped with strip respectively,It is and staggered relatively.
Description
Technical field
A kind of present invention petroleum transportation pipe segmentation filter plate connector, be related to it is a kind of to using the segmentation filter plate in delivery tube into
The electrical connector of row connection, belongs to energy device field.More particularly to a kind of two connected by thread fitting relation pair
The distance between filter plate is adjusted, and the electrical connector that can be together mounted and dismounted to all filter plates.
Background technology
At present, carry out usually by way of pipeline, newly exploit in oil field, the conveying for petroleum resources
More impurity is usually contained in petroleum crude oil, partial impurities precipitate in pipe in course of conveying, and long-term accumulated can make pipe
Interior oil circulation reduces, and reduces the efficiency of oil transportation, is usually taken and installs the mode of filter plate additional in pipe to oil stoste
Interior impurity carries out filtering cleaning, in order to make filtering more thorough, often oil stoste is filtered using multigroup filter plate, is being filtered
When plate is installed, it is common practice that each filter plate is separately installed into pipeline, the installation of filter plate and take out for operating personnel's body
Power and energy consumption it is larger, waste the plenty of time, and need carry out dismounting and change when, and one by one dismantle, efficiency
Lowly, need individually to clean filter residue in pipe after dismounting, existing filter plate attachment device, such as publication number CN206676044U
Filter press plate connection casing coupling is disclosed, including extends transversely through the support guide pipe of polylith filter plate, the branch between adjacent two pieces of filter plates
Flange seat has been placed on support guide pipe, support guide sleeve is provided between flange seat and support guide pipe, supports the left end of guide sleeve
Defining flange is wholely set in flange seat, the right output port internal thread of flange seat is connected with the compression for compressing support guide sleeve
Set；The left end of flange seat is provided with first flange side, and gland has been placed on flange seat, and the right end of clamping sleeve is provided with second flange
It is bolted between the gland of side, filter plate and adjacent left-hand and the first flange side of adjacent right side flange seat, every piece of filter
Plate can be slided by the gland of corresponding connection along the flange seat of adjacent left-hand, when being attached using the device to filter plate,
Spacing between filter plate is fixed, it is impossible to is adjusted according to use demand, publication number CN202777983U discloses a kind of filter plate
Cake discharge connection plate device, sets the side that connecting plate is installed on filter plate to be connected with each other, and the shape of connecting plate is triangle arc-shaped,
Connecting plate sets axis hole and sliding groove, sets axis pin to be installed on the side of filter plate, axis pin be equipped with packing ring and split pin clipping room away from
Plate, when carrying out petroleum pipeline filter plate using the device and connecting, filter plate dismounting it is constant, it is necessary to carry out it is more difficult during filter plate cleaning,
Using effect is bad.
The content of the invention
In order to improve the above situation, a kind of petroleum transportation pipe segmentation filter plate connector of the present invention provides one kind and passes through screw thread
The distance between two filter plates of connection are adjusted in matching relationship, and all filter plates together can be installed
With the electrical connector of dismounting.The distance between two filter plates of connection can be adjusted according to demand, using effect
More preferably, and the efficiency of installation and removal of the filter plate in petroleum transportation pipe can be greatly improved.
A kind of petroleum transportation pipe segmentation filter plate connector of the present invention is realized in：A kind of petroleum transportation pipe point of the present invention
Section filter plate connector is by pressing plate, spacing ring, thread groove, snap-gauge, connecting pole, sliding bar, fixed block, filter pad chamber, body frame, installation
Groove, telescopic cavity, retainer ring and tread plate composition, the body frame is generally circular, and pressing plate is placed in body frame, and the pressing plate is
Annular plate-like structure, is equipped with screw thread on the outside of the pressing plate, and with body frame thread fitting, between the pressing plate and main body frame bottom
Be equipped with filter pad chamber, Fixing shrink ring is placed in body frame, is provided with two mounting grooves in the retainer ring, and mounting groove be it is U-shaped, it is described
Mounting groove is built-in with rubber pad, and two snap-gauges are placed in retainer ring respectively, and corresponding with two mounting grooves respectively, the card
Plate section is U-shaped, and generally arcuate structure, and the snap-gauge middle inside is symmetrically provided with two U-type grooves, the snap-gauge up and down
Side is equipped with strip respectively, and staggered relatively, and the strip is made of elastomeric material, and connecting pole extends through mounting groove and corresponding card
Two U-type grooves on plate, the connecting pole outside is equipped with multiple tread plates, and connects respectively with the rubber pad in corresponding mounting groove
Touch, the distance between described two neighboring tread plate is equal, and telescopic cavity is provided with the connecting pole, spiral shell is provided with the connecting pole
Groove, and be connected with telescopic cavity, the thread groove is located at the top of telescopic cavity, and diameter is less than the diameter of telescopic cavity, spacing
Ring is placed on connecting pole one end, and is connected with thread groove, and sliding bar one end is placed on the connecting pole other end, and fixed block is placed in cunning
On the lever other end, the fixed block is circular block shape structure, and is made of elastomeric material, and spiral shell is equipped with the outside of the fixed block
Line.
It is used cooperatively in use, the present invention is multiple, pressing plate is screwed out out of body frame first, is then placed on filter plate
In body frame, then by pressing plate filter plate is fixed, when being attached to two filter plates, by one of connector
On two fixed blocks fill in respectively in two on another connector thread grooves, then rotate one of connection respectively
Two connecting poles on device, two connecting poles drive connected sliding bar to rotate respectively, two on one of connector cunning
Lever drives connected fixed block to rotate respectively, makes two fixed blocks on one of connector respectively in corresponding thread groove
Interior rotation, and by the position of thread groove, adjusting the distance between two filter plates of connection, and then to two filter plates
Fixation is attached, according to above-mentioned steps, multiple filter plates are attached successively, after the completion of connection, by the institute of connection
There is connector to be all put into inside oil feed pipe, and pipe plugging, oil stoste can only be flowed successively through into multiple filter plates,
And then oil is filtered, when being cleaned to all filter plates, all connectors are together taken out out of oil feed pipe
Afterwards, two connecting poles on all connectors of backspin successively, make two connecting poles drive connected fixation by sliding bar respectively
It is threaded under block in the telescopic cavity of connection, fixed block slides in telescopic cavity, makes all connectors of connection stacked successively, into
And can together it be cleaned；
Be equipped with screw thread on the outside of the pressing plate, and with the design of body frame thread fitting, easy to which filter screen is installed in the present apparatus,
It is convenient for disassembly and assembly；
The snap-gauge section is U-shaped, and the generally design of arcuate structure, easy to be stuck in retainer ring, and then easy to connection
Column is fixed；
The snap-gauge middle inside is symmetrically provided with the design of two U-type grooves, can be formed and matched somebody with somebody with two mounting grooves in retainer ring
Connecting pole is fixed in conjunction；
The upper and lower sides of the snap-gauge are equipped with strip, and design staggered relatively respectively, can be clamped on two strips respectively solid
Determine the upper and lower sides of ring, and then improve the stability maintenance to connecting pole；
The strip designs made of elastomeric material, it is possible to increase the frictional force between snap-gauge and retainer ring, improve snap-gauge and
The clamping degree of retainer ring, and then improve the fixed effect to connecting pole；
Multiple tread plates, and the design being in contact respectively with the rubber pad in corresponding mounting groove, energy are equipped with the outside of the connecting pole
It is enough that there is certain frictional force between mounting groove when connecting pole is rotated, but the rotation of connecting pole is not influenced, improve connection
The stability that column rotates；
The thread groove is located at the top of telescopic cavity, and diameter is less than the design of the diameter of telescopic cavity, can to filter plate into
During row cleaning, make all filter plates stacked successively, be convenient for cleaning, improve cleaning efficiency；
The fixed block is circular block shape structure, and is designed made of elastomeric material, and fixed block can be made to have certain bullet
Property, and then when being attached to two filter plates, fixed block can be filled in corresponding thread groove；
The fixed block and thread groove coordinate, and the design being attached to two filter plates can be to two filter plates of connection
The distance between be adjusted, can be adjusted according to demand, using effect is more preferable, and can be together to all filter plates
Mounted and dismounted, greatly reduce muscle power and the energy consumption of operating personnel, also substantially increase filter plate peace installation and dismantling
The efficiency unloaded；
Achieve the purpose that to being attached using the segmentation filter plate in delivery tube.
Beneficial effect.
First, it is simple in structure, it is convenient and practical.
2nd, the distance between two filter plates of connection can be adjusted according to demand, using effect is more preferable.
3rd, the efficiency of installation and removal of the filter plate in petroleum transportation pipe can be greatly improved.
Brief description of the drawings
Fig. 1 is the structure diagram that a kind of petroleum transportation pipe of the present invention is segmented filter plate connector.
Fig. 2 is the three-dimensional structure diagram that a kind of petroleum transportation pipe of the present invention is segmented filter plate connector tread plate.
Fig. 3 is the three-dimensional structure diagram that a kind of petroleum transportation pipe of the present invention is segmented filter plate connector snap-gauge.
In attached drawing
Wherein part is：Pressing plate（1）, spacing ring（2）, thread groove（3）, snap-gauge（4）, connecting pole（5）, sliding bar（6）, fixed block
（7）, filter pad chamber（8）, body frame（9）, mounting groove（10）, telescopic cavity（11）, retainer ring（12）, tread plate（13）.
Embodiment：
A kind of present invention petroleum transportation pipe segmentation filter plate connector is achieved in that in use, the present invention is multiple is used cooperatively,
First by pressing plate（1）From body frame（9）Interior back-out, is then placed on body frame by filter plate（9）It is interior, then pass through pressing plate（1）Will
Filter plate is fixed, when being attached to two filter plates, by two fixed blocks on one of connector（7）Respectively
Fill in two thread grooves on another connector（3）It is interior, two connections on one of connector are then rotated respectively
Column（5）, two connecting poles（5）Connected sliding bar is driven respectively（6）Rotate, two sliding bars on one of connector
（6）Connected fixed block is driven respectively（7）Rotate, make two fixed blocks on one of connector（7）Respectively corresponding
Thread groove（3）Interior rotation, and by thread groove（3）Position, adjust the distance between two filter plates of connection, and then
Fixation is attached to two filter plates, according to above-mentioned steps, multiple filter plates are attached successively, connection is completed
Afterwards, all connectors of connection are all put into inside oil feed pipe, and pipe plugging, oil stoste can only be flowed successively
Multiple filter plates are crossed, and then oil is filtered, when being cleaned to all filter plates, by all connectors from oil transportation
In pipe together after taking-up, two connecting poles on all connectors of backspin successively（5）, make two connecting poles（5）Pass through cunning respectively
Lever（6）Drive connected fixed block（7）Under be threaded to connection telescopic cavity（11）It is interior, fixed block（7）In telescopic cavity（11）Interior cunning
It is dynamic, make all connectors of connection stacked successively, and then can together be cleaned；
The pressing plate（1）Outside is equipped with screw thread, and and body frame（9）The design of thread fitting, easy to which filter screen is installed on this
It is convenient for disassembly and assembly on device；
The snap-gauge（4）Section is U-shaped, and the generally design of arcuate structure, easy to be stuck in retainer ring（12）On, and then be easy to
To connecting pole（5）It is fixed；
The snap-gauge（4）Middle inside is symmetrically provided with the design of two U-type grooves, can and retainer ring（12）On two mounting grooves
（10）Formed and coordinated to connecting pole（5）It is fixed；
The snap-gauge（4）Upper and lower sides be equipped with strip, and design staggered relatively respectively, two strips can be clamped on respectively
Retainer ring（12）Upper and lower sides, and then improve to connecting pole（5）Stability maintenance；
The strip designs made of elastomeric material, it is possible to increase snap-gauge（4）And retainer ring（12）Between frictional force, improve
Snap-gauge（4）And retainer ring（12）Clamping degree, and then improve to connecting pole（5）Fixed effect；
The connecting pole（5）Outside is equipped with multiple tread plates（13）, and respectively with corresponding mounting groove（10）Interior rubber pad connects
Tactile design, can be in connecting pole（5）During rotation, with mounting groove（10）Between there is certain frictional force, but do not influence to connect
Connect column（5）Rotation, improve connecting pole（5）The stability of rotation；
The thread groove（3）Positioned at telescopic cavity（11）Top, and diameter is less than telescopic cavity（11）Diameter design, Neng Gou
When being cleaned to filter plate, make all filter plates stacked successively, be convenient for cleaning, improve cleaning efficiency；
The fixed block（7）For circular block shape structure, and designed made of elastomeric material, fixed block can be made（7）With one
Fixed elasticity, and then when being attached to two filter plates, can be by fixed block（7）Fill in corresponding thread groove（3）It is interior；
The fixed block（7）And thread groove（3）Coordinate, the design being attached to two filter plates can be to two of connection
The distance between filter plate is adjusted, and can be adjusted according to demand, and using effect is more preferable, and can be together to all
Filter plate is mounted and dismounted, and is greatly reduced muscle power and the energy consumption of operating personnel, is also substantially increased filter plate peace
The efficiency of assembly and disassembly；
Achieve the purpose that to being attached using the segmentation filter plate in delivery tube.
Claims (9)
1. a kind of petroleum transportation pipe is segmented filter plate connector, it is characterized in that：Body frame is generally circular, and pressing plate is placed in body frame
Interior, pressing plate is annular plate-like structure, is equipped with screw thread on the outside of pressing plate, and with body frame thread fitting, pressing plate and main body frame bottom it
Between be equipped with filter pad chamber, Fixing shrink ring is placed in body frame, two mounting grooves is provided with retainer ring, and mounting groove is U-shaped, mounting groove
Rubber pad is built-in with, two snap-gauges are placed in retainer ring respectively, and corresponding with two mounting grooves respectively, snap-gauge middle inside
Symmetrical to be provided with two U-type grooves, connecting pole extends through two U-type grooves on mounting groove and corresponding snap-gauge, is provided with and stretches on connecting pole
Contracting chamber, is provided with thread groove on connecting pole, and is connected with telescopic cavity, and spacing ring is placed on connecting pole one end, and with thread groove phase
Connection, sliding bar one end are placed on the connecting pole other end, and fixed block is placed on the sliding bar other end.
2. a kind of petroleum transportation pipe segmentation filter plate connector according to claim 1, it is characterised in that in use, described
Invent multiple be used cooperatively.
3. a kind of petroleum transportation pipe segmentation filter plate connector according to claim 1, it is characterised in that outside the connecting pole
Side has multiple tread plates, and is in contact respectively with the rubber pad in corresponding mounting groove, between the two neighboring tread plate
Apart from equal.
A kind of 4. petroleum transportation pipe segmentation filter plate connector according to claim 1, it is characterised in that the snap-gauge section
To be U-shaped, and generally arcuate structure.
A kind of 5. petroleum transportation pipe segmentation filter plate connector according to claim 4, it is characterised in that the snap-gauge it is upper
Downside is equipped with strip respectively, and staggered relatively.
6. a kind of petroleum transportation pipe segmentation filter plate connector according to claim 5, it is characterised in that the strip is by rubber
Glue material is made.
A kind of 7. petroleum transportation pipe segmentation filter plate connector according to claim 1, it is characterised in that the thread groove position
In the top of telescopic cavity, and diameter is less than the diameter of telescopic cavity.
8. a kind of petroleum transportation pipe segmentation filter plate connector according to claim 1, it is characterised in that the fixed block is
Circular block shape structure, and be made of elastomeric material.
9. a kind of petroleum transportation pipe segmentation filter plate connector according to claim 8, it is characterised in that outside the fixed block
Side has screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273837.3A CN107983000B (en) | 2017-12-06 | 2017-12-06 | Segmented filter plate connector for petroleum transportation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273837.3A CN107983000B (en) | 2017-12-06 | 2017-12-06 | Segmented filter plate connector for petroleum transportation pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107983000A true CN107983000A (en) | 2018-05-04 |
| CN107983000B CN107983000B (en) | 2020-12-18 |
Family
ID=62036316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711273837.3A Active CN107983000B (en) | 2017-12-06 | 2017-12-06 | Segmented filter plate connector for petroleum transportation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107983000B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5723051A (en) * | 1994-12-23 | 1998-03-03 | Filterwerk Mann & Hummel Gmbh | Gap filter for liquids or gases |
| JP3066008B1 (en) * | 1999-03-12 | 2000-07-17 | 日本濾過器株式会社 | Filtration device |
| CN2625013Y (en) * | 2003-05-13 | 2004-07-14 | 北京金伟晖工程技术有限公司 | Multilayer filtration and separation appliance |
| CN201134305Y (en) * | 2007-12-29 | 2008-10-15 | 辽宁省电力有限公司本溪供电公司 | Support frame of paired insulator chain |
| CN202087168U (en) * | 2011-06-02 | 2011-12-28 | 中国北车集团大同电力机车有限责任公司 | Filter for locomotives |
| CN102312895A (en) * | 2011-08-24 | 2012-01-11 | 成都科盛石油科技有限公司 | Double-end connecting piece for oil exploitation field |
| CN202460253U (en) * | 2011-12-26 | 2012-10-03 | 北京美斯普环保技术有限公司 | Stainless steel filter cloth filter for filtering under vacuum negative pressure |
| CN203790689U (en) * | 2014-04-14 | 2014-08-27 | 辽宁科技大学 | Online net replacement filter of steel rolling cooling water circulating system |
| CN204828221U (en) * | 2015-07-28 | 2015-12-02 | 博峰汽配科技有限公司 | But flexible bolt assembly of axial |
| CN205759976U (en) * | 2016-06-13 | 2016-12-07 | 台州市神州电热电器厂 | A kind of filter for plated item service sink |
| CN206190707U (en) * | 2016-11-22 | 2017-05-24 | 浙江精艺标准件有限公司 | Socket cap connecting screw |
-
2017
- 2017-12-06 CN CN201711273837.3A patent/CN107983000B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5723051A (en) * | 1994-12-23 | 1998-03-03 | Filterwerk Mann & Hummel Gmbh | Gap filter for liquids or gases |
| JP3066008B1 (en) * | 1999-03-12 | 2000-07-17 | 日本濾過器株式会社 | Filtration device |
| CN2625013Y (en) * | 2003-05-13 | 2004-07-14 | 北京金伟晖工程技术有限公司 | Multilayer filtration and separation appliance |
| CN201134305Y (en) * | 2007-12-29 | 2008-10-15 | 辽宁省电力有限公司本溪供电公司 | Support frame of paired insulator chain |
| CN202087168U (en) * | 2011-06-02 | 2011-12-28 | 中国北车集团大同电力机车有限责任公司 | Filter for locomotives |
| CN102312895A (en) * | 2011-08-24 | 2012-01-11 | 成都科盛石油科技有限公司 | Double-end connecting piece for oil exploitation field |
| CN202460253U (en) * | 2011-12-26 | 2012-10-03 | 北京美斯普环保技术有限公司 | Stainless steel filter cloth filter for filtering under vacuum negative pressure |
| CN203790689U (en) * | 2014-04-14 | 2014-08-27 | 辽宁科技大学 | Online net replacement filter of steel rolling cooling water circulating system |
| CN204828221U (en) * | 2015-07-28 | 2015-12-02 | 博峰汽配科技有限公司 | But flexible bolt assembly of axial |
| CN205759976U (en) * | 2016-06-13 | 2016-12-07 | 台州市神州电热电器厂 | A kind of filter for plated item service sink |
| CN206190707U (en) * | 2016-11-22 | 2017-05-24 | 浙江精艺标准件有限公司 | Socket cap connecting screw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107983000B (en) | 2020-12-18 |
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Effective date of registration: 20201130 Address after: 221000 1-501, building loftc, West Greenland Business City, Hanyuan Avenue, Yunlong District, Xuzhou City, Jiangsu Province Applicant after: XUZHOU XINNANHU TECHNOLOGY Co.,Ltd. Address before: 221008 Jiangsu province Quanshan District of Xuzhou science and technology building two layer 215-4 Applicant before: Dong Haifeng |
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