CN108757478A - The helicoidal pump of more casing splicings - Google Patents
The helicoidal pump of more casing splicings Download PDFInfo
- Publication number
- CN108757478A CN108757478A CN201810529972.8A CN201810529972A CN108757478A CN 108757478 A CN108757478 A CN 108757478A CN 201810529972 A CN201810529972 A CN 201810529972A CN 108757478 A CN108757478 A CN 108757478A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- connection ring
- gear
- casing
- splicings
- 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
- 230000033001 locomotion Effects 0.000 claims description 14
- 238000013019 agitation Methods 0.000 claims description 7
- 241000156948 Aphantopus hyperantus Species 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D3/00—Axial-flow pumps
- F04D3/02—Axial-flow pumps of screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/528—Casings; Connections of working fluid for axial pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/648—Mounting; Assembling; Disassembling of axial pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
A kind of helicoidal pump of more casings splicing includes left sleeve, right sleeve, screw rod, retarder and motor, it is characterised in that：The bottom of the helicoidal pump of more casing splicings is equipped with agitating device, the screw rod is equipped with sea whelk, the left sleeve and right sleeve are linked together by snap ring, the right side of the left sleeve is equipped with left connection ring, beneficial effects of the present invention are equipped with for the helicoidal pump of more casings splicing blocks prominent and rotational fixation hole, reduction splicing difficulty.
Description
Technical field
The present invention relates to liquid transportation art, specially a kind of helicoidal pump of more casing splicings.
Background technology
Helicoidal pump is mainly used for situations such as agricultural drainage and Urban Waterlogging, is relatively specific for sewage plant and promotes reflux band
There is the sewage of sludge, but its lift is low, rotating speed is slow, in comparison, wide adaptation range in the case that impurity is more in water.So
And although its journey is low, it, can be as the pipeline for accelerating sewage to arrange direction since it has greater advantage in terms of blowdown
It uses, but the extension of its socket is limited, needs to carry out splicing assembling, existing socket splicing is general to pass through bolt using two pipelines
It is fastened, since socket is heavier, splicing is more difficult, and is easy that sewage leakage occurs because spelling calking gap, pollutes environment.
Invention content
The application's is designed to provide a kind of helicoidal pump of more casing splicings, to solve to splice when helicoidal pump socket extends
Difficulty is easy to happen leakage, and is easy the problem of spiral pump intake accumulates a large amount of mud in blowdown.
In order to achieve the above object, the present invention uses following technical scheme：
A kind of helicoidal pump of more casings splicing includes left sleeve (1), right sleeve (6), screw rod (19), retarder (20) and electricity
Machine (21), it is characterised in that：The bottom of the helicoidal pump of the more casings splicing is equipped with agitating device (18), on the screw rod (19)
Equipped with sea whelk (22), the left sleeve (1) and right sleeve (6) are linked together by snap ring (7), the right side of the left sleeve (1)
Side is equipped with left connection ring (3), and connecting groove (2), depth and the right set of the connecting groove (2) are equipped in the downside of left connection ring (3)
The connecting block (5) stretched out on cylinder (6) matches, and right connection ring corresponding with left connection ring (3) is equipped on right sleeve (6)
(4), the joint face on the right side of the left connection ring (3) is equipped with bolt hole (8) and rotational fixation hole (9), the rotational fixation hole
(9) be digital " 8 " shape, rotational fixation hole (9) is divided into great circle and ringlet, on the joint face on the left of the right connection ring (4)
Equipped with bolt hole (8) corresponding on left sleeve (1), and the card that can be inserted into rotational fixation hole (9) is dashed forward (10), described
Card prominent (10) is made of buckle (10-1) and kelly (10-2), and the buckle (10-1) is fixed on right sleeve by kelly (10-2)
(6) in right connection ring (4), the buckle (10-1) can be plugged into the great circle in rotational fixation hole (9), then pass through left sleeve
(1) and right sleeve (6) carries out relative rotation, and buckle (10-1) is screwed into the ringlet in rotational fixation hole (9), is realized to a left side
The fixation of sleeve (1) and right sleeve (6) also is provided with matching with left connection ring (3), right connection ring (4) on the snap ring (7)
Bolt hole (8), the snap ring (7) are fastened in left connection ring (3) and right connection ring (4).
Further, the agitating device (18) includes power output frame (13), movable block (14), gear (16), agitator arm
(11) it links together with gear (16) and agitating device (18) is inputted into action edge with agitation block (12), the screw rod (19),
The movable block (14) is equipped with gear grooved (15) and fixed plate (23), is formed between the gear grooved (15) and fixed plate (23)
For the movement slots (24) of gear (16) operation, the fixed plate (23) is equipped with the shifting adaptable with the movement of gear (16) upper teeth
Lever (17), when screw rod (19) band moving gear (16) rotates, the tooth on gear (16) carries out opposite fortune to mobile bar (17)
It is dynamic, by applying active force to mobile bar (17), to drive movable block (14) to move, then by the movement drive of movable block (14)
Power output frame (13) with gear (16) is that the center of circle carries out left and right pendulum, so drive on power output frame (13) agitator arm (11) and
Agitation block (12) moves back and forth.
Further, the thickness of the connecting groove (2) is the half of casing wall thickness.
Further, the rightmost side of the connecting block (5) is equipped with sealing ring.
Further, it when described sleeve pipe is mutually spliced, is then equipped with and the left sleeve (1) on the right side of the right sleeve (6)
The identical structure in right side.
Beneficial effects of the present invention are：
1, the helicoidal pump of more casing splicings is equipped with card prominent (10) and rotational fixation hole (9), is dashed forward (10) by card and rotation is solid
The splicing of left sleeve (1) and right sleeve (6) can be fast implemented by determining the rotary fixing structure in hole (9), reduce splicing difficulty；
2, the bottom of helicoidal pump sets agitating device (18), passes through the agitation of agitating device (18), it is possible to reduce mud is at it
The deposition of bottom reduces helicoidal pump and is choked up with silt probability, improves the transfer efficiency of helicoidal pump；
3, the helicoidal pump of more casing splicings, which enters left connection ring (3) and right connection ring (4) by snap ring (7), fixes, can
To improve the leakproofness of casing, increase the fastness of casing connection.
4, agitating device (18) is improved using rotation transmission power, Structure adaptation in the severe situation of working environment
Helicoidal pump use scope.
Description of the drawings
Fig. 1 is the structural schematic diagram of the helicoidal pump of more casing splicings
Fig. 2 is sleeve connection part structure chart
Fig. 3 is the spliced structure chart of sleeve
Fig. 4 is the joint face structure chart of left sleeve (1)
Fig. 5 is the joint face structure chart of right sleeve (6)
Fig. 6 is the side view of Fig. 5
Fig. 7 is the structural schematic diagram of snap ring (7)
Fig. 8 is the structural schematic diagram of agitating device (18)
Fig. 9 is the schematic diagram that multiple casings are stitched together
Left sleeve 1；Connecting groove 2；Left connection ring 3；Right connection ring 4；Connecting block 5；Right sleeve 6；Snap ring 7；Bolt hole 8；Rotation
Turn mounting hole 9；Card prominent 10；Agitator arm 11；Stir block 12；Power output frame 13；Movable block 14；Gear grooved 15；Gear 16；It is mobile
Bar 17；Agitating device 18；Screw rod 19；Retarder 20；Motor 21；Sea whelk 22；Fixed plate 23；Movement slots 24；Buckle 10-1；Kelly
10-2。
Specific implementation mode
As shown in Figure 1, the helicoidal pump of more casing splicings includes left sleeve (1), right sleeve (6), screw rod (19), retarder
(20) and motor (21) it, is equipped with agitating device (18) in the bottom of the helicoidal pump of more casings splicing, screw rod (19) is equipped with sea whelk
(22), left sleeve (1) and right sleeve (6) are linked together by snap ring (7).When the helicoidal pump of more casings splicing is needed due to working
When using multiple casings, then multiple left sleeves (1) and right sleeve (6) are stitched together from beginning to end, constitute the set of sufficient length
Pipe.
As shown in Fig. 2, in order to quickly connect left sleeve (1) and right sleeve (6), the right side in left sleeve (1)
Side is equipped with left connection ring (3), and the connecting groove (2) for being equivalent to casing wall thickness half, connecting groove are equipped in the downside of left connection ring (3)
(2) depth matches with the connecting block (5) stretched out on right sleeve (6), is equipped with and left connection ring (3) phase on right sleeve (6)
Corresponding right connection ring (4), in order to reinforce the leakproofness of left sleeve (1) and right sleeve (6) splicing, in the most right of connecting block (5)
Side is equipped with sealing ring.When mutually splicing if necessary to multiple casings, then the right side with left sleeve (1) is equipped on the right side of right sleeve (6)
The identical structure in side.
In order to preferably be combined left connection ring (3) and right connection ring (4), in left connection ring (3) and right connection ring (4)
On be additionally provided with snap ring (7), snap ring (7) covers on it, on the one hand can quickly fix left sleeve (1) and right sleeve (6), another party
Face strengthens the leakproofness of casing.Fig. 3 is the schematic diagram after left sleeve (1) and right sleeve (6) combination.
As shown in figure 4, bolt hole (8) and rotational fixation hole (9) are equipped on the joint face on right side on left sleeve (1),
Middle rotational fixation hole (9) is the shape of digital " 8 ", is divided into great circle and ringlet, as shown in figure 5, the company on the left of right sleeve (6)
Junction is equipped with bolt hole (8) corresponding on left sleeve (1), and the card that can be inserted into rotational fixation hole (9) is prominent
(10).Block prominent (10) as can be seen from Figure 6 to consist of two parts, respectively buckles (10-1) and kelly (10-2), buckle (10-1)
It is fixed in the right connection ring (4) of right sleeve (6) by kelly (10-2), when in use, buckle (10-1) is inserted into rotation
Left sleeve (1) and right sleeve (6) are carried out relative rotation, are screwed into buckle (10-1) by the great circle in mounting hole (9)
Turn in the ringlet in mounting hole (9), and then realize fixation to left sleeve (1) and right sleeve (6), at this point, left connection ring (3) and
Just alignment connects bolt hole (8) on right connection ring (4), and snap ring (7) is then connected to left connection ring (3) and right connection
On ring (4), as shown in fig. 7, the bolt hole (8) to match with left connection ring (3), right connection ring (4) also is provided on snap ring (7),
By the fastening in bolt-through bolt hole (8), and then by two snap rings (7) realizations to left sleeve (1) and right sleeve (6).This
The advantage that sample is done has, and left sleeve (1) and right sleeve (6) can be achieved soon by the prominent rotation of (10) in rotational fixation hole (9) of card
Fast positioning and fixed, mitigation splicing difficulty, another aspect, then it is reinforced by snap ring (7), so as to well will
Left sleeve (1) and right sleeve (6) are fixed, and also very securely, leakproofness is also ensured structure well.
As shown in figure 8, agitating device (18) includes power output frame (13), and the opposite fortune in power output frame (13)
Dynamic movable block (14), screw rod (19) links together with gear (16) and is inputted into action edge to agitating device (18), in movement
Block (14) is equipped with gear grooved (15) and fixed plate (23), is formed for gear (16) between gear grooved (15) and fixed plate (23)
The movement slots (24) of operation are equipped with the mobile bar (17) adaptable with the movement of gear (16) upper teeth in fixed plate (23), when
When screw rod (19) band moving gear (16) rotates, the tooth on gear (16) carries out relative motion to mobile bar (17), by moving
Lever (17) applies active force, to drive movable block (14) to move, then by the movement drive power output frame of movable block (14)
(13) it is that the center of circle carries out left and right pendulum, and then drives agitator arm (11) and agitation block (12) on power output frame (13) with gear (16)
It moves back and forth, to which sewage agitation be got up, to reach the deposition for the helicoidal pump bottom sludge for reducing more casing splicings, improves spiral shell
Revolve the transfer efficiency of pump.
Although above schematically illustrate some specific embodiments to illustrate and describe the present invention, be not meant to the present invention only
One of the various details are confined to, therefore to this without being described in detail.On the contrary, in the scope and range that are equivalent to claims
It is interior without departing from spirit of that invention to make various modifications in various details.
Claims (5)
1. a kind of helicoidal pump of more casing splicings includes left sleeve (1), right sleeve (6), screw rod (19), retarder (20) and motor
(21), it is characterised in that：The bottom of the helicoidal pump of more casing splicings is equipped with agitating device (18), is set on the screw rod (19)
There are sea whelk (22), the left sleeve (1) and right sleeve (6) to link together by snap ring (7), the right side of the left sleeve (1)
Equipped with left connection ring (3), connecting groove (2), depth and the right sleeve of the connecting groove (2) are equipped in the downside of left connection ring (3)
(6) connecting block (5) stretched out on matches, and right connection ring (4) corresponding with left connection ring (3) is equipped on right sleeve (6),
Joint face on the right side of the left connection ring (3) is equipped with bolt hole (8) and rotational fixation hole (9), and the rotational fixation hole (9) is
The shape of digital " 8 ", rotational fixation hole (9) are divided into great circle and ringlet, the joint face on the left of the right connection ring (4) be equipped with
Corresponding bolt hole (8) on left sleeve (1), and the card that can be inserted into rotational fixation hole (9) are dashed forward (10), and the card is prominent
(10) it is made of buckle (10-1) and kelly (10-2), the buckle (10-1) is fixed on right sleeve (6) by kelly (10-2)
Right connection ring (4) on, the buckle (10-1) can be plugged into the great circle in rotational fixation hole (9), then pass through left sleeve (1)
Relative rotation is carried out with right sleeve (6), buckle (10-1) is screwed into the ringlet in rotational fixation hole (9), is realized to left set
The fixation of cylinder (1) and right sleeve (6), also is provided with the spiral shell to match with left connection ring (3), right connection ring (4) on the snap ring (7)
Keyhole (8), the snap ring (7) are fastened in left connection ring (3) and right connection ring (4).
2. the helicoidal pump of more casing splicings according to claim 1, it is characterised in that：The agitating device (18) includes dynamic
Power output box (13), movable block (14), gear (16), agitator arm (11) and agitation block (12), the screw rod (19) and gear
(16) it links together and agitating device (18) is inputted into action edge, the movable block (14) is equipped with gear grooved (15) and fixes
Plate (23) forms the movement slots (24) run for gear (16), the fixation between the gear grooved (15) and fixed plate (23)
Plate (23) is equipped with the mobile bar (17) adaptable with the movement of gear (16) upper teeth, when screw rod (19) band moving gear (16) rotates
When, the tooth on gear (16) carries out relative motion to mobile bar (17), by applying active force to mobile bar (17), to band
Dynamic movable block (14) movement, then drive power output frame (13) left for center of circle progress with gear (16) by the movement of movable block (14)
Right pendulum, and then agitator arm (11) and agitation block (12) on power output frame (13) is driven to move back and forth.
3. the helicoidal pump of more casing splicings according to claim 2, it is characterised in that：The thickness of the connecting groove (2) is
The half of casing wall thickness.
4. the helicoidal pump of more casing splicings according to claim 3, it is characterised in that：The rightmost side of the connecting block (5)
Equipped with sealing ring.
5. according to the helicoidal pump of any more casings splicings of claim 1-4, it is characterised in that：Described sleeve pipe is mutually spliced
When, then it is equipped with structure identical with the right side of the left sleeve (1) on the right side of the right sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529972.8A CN108757478B (en) | 2018-05-29 | 2018-05-29 | Multi-casing spliced screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529972.8A CN108757478B (en) | 2018-05-29 | 2018-05-29 | Multi-casing spliced screw pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108757478A true CN108757478A (en) | 2018-11-06 |
| CN108757478B CN108757478B (en) | 2019-12-17 |
Family
ID=64003236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810529972.8A Active CN108757478B (en) | 2018-05-29 | 2018-05-29 | Multi-casing spliced screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108757478B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159552A (en) * | 2019-06-03 | 2019-08-23 | 山东科技大学 | To the spiral drainage arrangement of mash gas pumping drilling and method under one kind |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2124990A5 (en) * | 1972-01-31 | 1972-09-22 | Venot Pic Sa | Pumping system - for underground hydrocarbon storage eg in old mine workings |
| CN2197487Y (en) * | 1994-07-05 | 1995-05-17 | 陈跃仁 | Energy saving screwed water pump |
| CN200964952Y (en) * | 2006-10-27 | 2007-10-24 | 王超英 | Liquid pump |
| CN203516118U (en) * | 2013-10-30 | 2014-04-02 | 陕西省水土保持局 | Spiral and vortex combined slurry pump |
| CN105422478A (en) * | 2015-12-24 | 2016-03-23 | 苏州经贸职业技术学院 | Combined type multifunctional agricultural water pump |
| CN105464998A (en) * | 2015-12-24 | 2016-04-06 | 苏州经贸职业技术学院 | Spiral elevating combined type agricultural water pump |
| CN105604959A (en) * | 2015-12-24 | 2016-05-25 | 苏州经贸职业技术学院 | Power switch combined farm pump |
-
2018
- 2018-05-29 CN CN201810529972.8A patent/CN108757478B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2124990A5 (en) * | 1972-01-31 | 1972-09-22 | Venot Pic Sa | Pumping system - for underground hydrocarbon storage eg in old mine workings |
| CN2197487Y (en) * | 1994-07-05 | 1995-05-17 | 陈跃仁 | Energy saving screwed water pump |
| CN200964952Y (en) * | 2006-10-27 | 2007-10-24 | 王超英 | Liquid pump |
| CN203516118U (en) * | 2013-10-30 | 2014-04-02 | 陕西省水土保持局 | Spiral and vortex combined slurry pump |
| CN105422478A (en) * | 2015-12-24 | 2016-03-23 | 苏州经贸职业技术学院 | Combined type multifunctional agricultural water pump |
| CN105464998A (en) * | 2015-12-24 | 2016-04-06 | 苏州经贸职业技术学院 | Spiral elevating combined type agricultural water pump |
| CN105604959A (en) * | 2015-12-24 | 2016-05-25 | 苏州经贸职业技术学院 | Power switch combined farm pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159552A (en) * | 2019-06-03 | 2019-08-23 | 山东科技大学 | To the spiral drainage arrangement of mash gas pumping drilling and method under one kind |
| CN110159552B (en) * | 2019-06-03 | 2020-12-11 | 山东科技大学 | Downward gas extraction drill hole spiral type drainage device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108757478B (en) | 2019-12-17 |
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| CB03 | Change of inventor or designer information |
Inventor after: Sun Chengyu Inventor after: Sun Weibin Inventor after: Wang Weihong Inventor before: Wang Weihong |
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Effective date of registration: 20191118 Address after: 101500 3rd floor, building 689, Yangguang street, Miyun District, Beijing Applicant after: Beijing guotie Anjie Technology Co.,Ltd. Address before: No. 83, Ma Ge Zhuang Street, Xia Ge Zhuang Town, Pinggu District, Beijing City, Beijing Applicant before: BEIJING HENGXIN ZHUOYUAN TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20210618 Address after: Room 717, building 1, 132 Shenjia Road, Xiacheng District, Hangzhou, Zhejiang 310000 Patentee after: Hangzhou Guozhi Technology Co.,Ltd. Address before: 101500 3rd floor, building 4, 689 Sunshine Street, Miyun District, Beijing Patentee before: Beijing guotie Anjie Technology Co.,Ltd. |
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Effective date of registration: 20231114 Address after: 101500 3rd floor, building 4, 689 Sunshine Street, Miyun District, Beijing Patentee after: Beijing guotie Anjie Technology Co.,Ltd. Address before: Room 717, building 1, 132 Shenjia Road, Xiacheng District, Hangzhou, Zhejiang 310000 Patentee before: Hangzhou Guozhi Technology Co.,Ltd. |
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