CN107497152A - A kind of filter core with revolving part - Google Patents
A kind of filter core with revolving part Download PDFInfo
- Publication number
- CN107497152A CN107497152A CN201710913862.7A CN201710913862A CN107497152A CN 107497152 A CN107497152 A CN 107497152A CN 201710913862 A CN201710913862 A CN 201710913862A CN 107497152 A CN107497152 A CN 107497152A
- Authority
- CN
- China
- Prior art keywords
- revolving part
- column
- water purification
- filter cylinder
- filter core
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000000746 purification Methods 0.000 claims abstract description 54
- 239000002351 wastewater Substances 0.000 claims abstract description 47
- 230000000903 blocking effect Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000003032 molecular docking Methods 0.000 claims abstract description 6
- 210000003205 muscle Anatomy 0.000 claims description 20
- 102000010637 Aquaporins Human genes 0.000 claims description 14
- 230000002787 reinforcement Effects 0.000 claims description 8
- 108010063290 Aquaporins Proteins 0.000 claims description 5
- 108091006146 Channels Proteins 0.000 claims description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 2
- DNHVXYDGZKWYNU-UHFFFAOYSA-N lead;hydrate Chemical compound O.[Pb] DNHVXYDGZKWYNU-UHFFFAOYSA-N 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- 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
- B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
-
- 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
- B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—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 bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
-
- 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
- B01D35/30—Filter housing constructions
-
- 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
- B01D35/30—Filter housing constructions
- B01D35/306—Filter mounting adapter
Abstract
The invention provides a kind of filter core with revolving part, including filter cylinder, revolving part, filtering inner core, top cover and blocking cap, the filtering inner core is arranged on the inside of the filter cylinder and carries out sealing fixation by the top cover, the revolving part is connected with the bottom of the filter cylinder by rotating neck mode, and the blocking cap is arranged on the bottom of the filter cylinder.Filter core provided by the invention with revolving part connects three passages one-to-one corresponding of revolving part and filter cylinder, the water inlet of filter core and waste water tunnel are closed by the angle change of revolving part simultaneously, water purification passage is independently closed by the sealing function of check valve, so that being not in the phenomenon of spilling water at filter core docking port；The present invention also has the characteristics of amount of parts is few, installing/dismounting is easy.
Description
Technical field
The invention belongs to purifier technical field, and specifically, the present invention relates to a kind of filter core with revolving part.
Background technology
At present in water purification filter field, the especially design of water purifier filter core, convenient, the peace of filter core is changed in order to install
Dress form is varied.In view of the layout of complete machine, the filtering body of existing filter core is generally divided into filter core and filter cartridge seat two parts.Its
A kind of middle reverse mounted filter core, after filter element life expires, user takes out filter core by the handle of rotary top, in order to have
Consumer's Experience, in Renewal process, it is desirable to which each water passage of filter core can not have spilling water phenomenon during taking-up.In order to
Solves hydraulic overflow problem, prior art typically adds spring and seal in each passage of filter core, passes through spring-compressed seal bar
Passage is sealed, this structure can solve the problem of dripping, but in installation process, due to the spring of each passage
Seal bar needs to install together, and in order to open water passage, corresponding base sets Ding Kai filter element springs mechanism so that
Overall structure amount of parts is relatively more, and installs complicated cumbersome.
The content of the invention
It is an object of the invention to provide a kind of filter core with revolving part, the present invention is by the motion of revolving part by filter core
Water passage easily closing and opening, and amount of parts is few, installing/dismounting is easy.
In order to solve the above problems, the present invention provides a kind of filter core with revolving part, and its technical scheme is as follows：
A kind of filter core with revolving part, including filter cylinder, revolving part, filtering inner core, blocking cap and top cover, the filtering inner core are set
Put in the inside of the filter cylinder and be fixed by the top cover, the bottom of the revolving part and the filter cylinder passes through revotating card
Groove mode connects, and the blocking cap is arranged on the bottom of the filter cylinder.
Filter core with revolving part described above, more preferably：Slideway is provided with the bottom groove inwall of the filter cylinder,
Three water channels are provided with groove inner wall bottom, water purification passage, waste water tunnel and intake tunnel are followed successively by outward by interior；In the rotation
The lower surface for turning part is provided with intake tunnel column, water purification passage column, waste water tunnel column and rotational positioning post；In the rotation
The upper surface of part is provided with unidirectional valve pool, and the unidirectional valve pool is arranged concentrically with the water purification passage column, in the revolving part
Side is provided with two revolving part lugs, and the revolving part is matched somebody with somebody by the slideway of two revolving part lugs and the filter cylinder
Close the rotation installation for realizing the revolving part and the filter cylinder so that the intake tunnel column docked with the intake tunnel,
The water purification passage column is docked with the water purification passage, the waste water tunnel column is docked with the waste water tunnel, it is single
It is placed in valve in the unidirectional valve pool.
Filter core with revolving part described above, more preferably：Positioning convex point is provided with the revolving part, described
Filter cylinder is provided with positioning convex point slideway, the positioning convex point slideway of the positioning convex point on the revolving part in the filter cylinder
Interior motion.
Filter core with revolving part described above, more preferably：Also include passage reinforcement, the passage reinforcement point
The inner chamber of the waste water tunnel column and the inner chamber of the water purification passage column are not vertically arranged in.
Filter core with revolving part described above, more preferably：There is water purification ring muscle below the cartridge interior and give up
Water ring muscle；Wherein, the inner side of the water purification ring muscle is water purification water channel, is waste water between the water purification ring muscle and the waste water ring muscle
Water channel, the waste water ring muscle outside is inlet channel.
Filter core with revolving part described above, more preferably：Lower port, the water purification in the intake tunnel are led to
The lower port in road is provided with O-ring groove, the mounting O-shaped sealing ring at O-ring groove.
Filter core with revolving part described above, more preferably：Side wall O-ring is provided with the side wall of the revolving part
Groove, the mounting O-shaped sealing ring at the side wall O-ring groove.
Filter core with revolving part described above, more preferably：Handle is provided with the top cover.
Filter core with revolving part described above, more preferably：Positioning column sleeve is provided with the upper surface of the blocking cap, is entered
Aquaporin set, water purification passage set and waste water tunnel set, it is described positioning column sleeve, the intake tunnel set, the water purification passage set and
Waste water tunnel set respectively with the rotational positioning post, the intake tunnel column, the water purification passage column and described useless
Aquaporin column is correspondingly arranged.
Analysis understands that compared with prior art, the advantages of the present invention are：
Filter core provided by the invention with revolving part is convenient by the water passage of filter core by the motion of revolving part
Closing and opening, so when being changed to filter core, because rotation installation will not cause water purification passage, waste water tunnel and water inlet
The position relationship of passage, it can prevent occurring the problem of string water between water purification passage, waste water tunnel and intake tunnel, while this hair
The bright filter core with revolving part will not make occur the situation of spilling water at filter core docking port when changing, meanwhile, the present invention also has
The characteristics of amount of parts is few, installing/dismounting is easy.
Brief description of the drawings
Fig. 1 is the schematic diagram of the filter core of the invention with revolving part；
Fig. 2 is the profile of the filter core with revolving part；Fig. 3 is the exploded view of the filter core with revolving part；
Fig. 4 is the structural representation of filter cylinder of the present invention；
Fig. 5 is the axonometric drawing of filter cylinder；Fig. 6 is the longitudinal sectional drawing of filter cylinder；
Fig. 7 is the structural representation of revolving part of the present invention；
Fig. 8 is Fig. 7 profile, and Fig. 9 is Fig. 7 top view；
Figure 10 is the structural representation of blocking cap of the present invention；
Figure 11 is the schematic diagram of revolving part of the invention in the diverse location of filter cylinder；
Figure 12 is initial position of the revolving part after filter cylinder installation；Figure 13 is position of the revolving part after filter cylinder is installed in place
Put.
In figure：1. filter cylinder；2.O type sealing rings；3. revolving part；4. blocking cap；5. check valve；6. filter inner core；7. top cover；
11. filter cylinder lug；12. intake tunnel；13. water purification passage；14. waste water tunnel；15. chute inlet；16. slideway；
17. positioning convex point slideway；18. water purification ring muscle；19. waste water ring muscle；
31. rotational positioning post；32. intake tunnel column；33. water purification passage column；34. waste water tunnel column；35. rotation
Part lug；36. side wall O-ring groove；37. unidirectional valve pool；38. positioning convex point；39. passage reinforcement；
41. position column sleeve；42. intake tunnel set；43. water purification passage set；44. waste water tunnel set.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As shown in figure 1 to figure 13, the filter core with revolving part of the preferred embodiment of the present invention mainly includes filter cylinder 1, revolving part
3rd, inner core 6, blocking cap 4 and top cover 7 are filtered, filtering inner core 6 is arranged on the inside of filter cylinder 1 and is fixed by top cover 7, revolving part
3 are connected with the bottom of filter cylinder 1 by rotating neck mode, and blocking cap 4 is arranged on the bottom of filter cylinder 1.
Groove is provided with the bottom of filter cylinder 1, two filter cylinder lugs 11 are provided with groove outer wall；Filter cylinder 1 passes through filter cylinder lug
11 and the cooperation of spiral slide of filter core base realize the rotation installation of filter cylinder 1 and filter core base.
Sum it up, filter core 6 is crossed water by the filter core provided by the invention with revolving part by the motion of revolving part 3
Easily closing is with opening for passage, so when being changed to filter core, because rotation installation will not cause water purification passage, waste water
The position relationship of passage and intake tunnel, it can prevent occurring asking for string water between water purification passage, waste water tunnel and intake tunnel
Topic, while the filter core with revolving part of the present invention will not make occur the situation of spilling water at filter core docking port when changing, meanwhile,
The present invention also has the characteristics of amount of parts is few, installing/dismounting is easy.
For the ease of the assembling of the present invention, as shown in figure 1 to figure 13, present invention additionally comprises check valve 5, at the bottom of filter cylinder 1
Portion's groove inner wall is provided with slideway 16, is provided with three water channels in groove inner wall bottom, water purification passage 13, waste water are followed successively by outward by interior
Passage 14 and intake tunnel 12；Intake tunnel column 32, water purification passage column 33, waste water are provided with the lower surface of revolving part 3 to lead to
Road column 34 and rotational positioning post 31；Unidirectional valve pool 37 is provided with the upper surface of revolving part 3, unidirectional valve pool 37 is stood with water purification passage
Post 33 is arranged concentrically, and is provided with two revolving part lugs 35 in the side of revolving part 3, revolving part 3 passes through two revolving part lugs 35
The rotation for realizing revolving part 3 and filter cylinder 1 is coordinated to install with the slideway 16 of filter cylinder 1, so that intake tunnel column 32 and intake tunnel
12 docking, water purification passage column 33 is set to be docked with water purification passage 13, waste water tunnel column 34 is docked with waste water tunnel 14, unidirectionally
Valve 5 is placed in unidirectional valve pool 37.Revolving part 3 is connected with filter cylinder 1 by rotating neck, and revolving part lug 35 passes through chute inlet 15
In the internal rotation of slideway 16 of filter cylinder 1；As shown in Figures 9 to 11, the revolving part lug 35 of revolving part 3 is only in the groove of filter cylinder 1
(as shown in Figure 9) just can be put and take out in the position of inwall chute inlet 15 into, can not be taken out in other positions.The filter of the present invention
Cylinder 1 is melted with top cover 7 after filtering inner core 6 is loaded onto by the molten technology of rotation to be integral so that filtering inner core 6 is fixed in filter cylinder 1
Portion.Preferably, positioning convex point 38 is provided with revolving part 3, positioning convex point slideway 17, positioning convex point slideway are provided with filter cylinder 1
17 points are front and rear two sections, and leading portion is construction section, and back segment is active section, and leading portion end is provided with inclined-plane, can be oriented on revolving part 3
Positioning convex point 38 smoothly enters back segment, and positioning convex point 38 moves in the back segment of the positioning convex point slideway 17 of filter cylinder 1, and due to
Slideway 17 is divided to for two sections, so revolving part can not be screwed into the taking-up of slideway leading portion after installing, under working condition.
In order to increase the structural stability of waste water tunnel column 34, water purification passage column 33, as shown in fig. 7, this hair
It is bright also to include passage reinforcement 39, the passage reinforcement 39 be vertically arranged in respectively the waste water tunnel column 34 inner chamber and
The inner chamber of water purification passage column 33, to ensure intake tunnel water amount, intake tunnel column 32 is not provided with reinforcement.
As shown in Figures 4 to 6, the present invention has water purification ring muscle 18 and waste water ring muscle 19 in the lower inside of filter cylinder 1, wherein, only
The inner side of water ring muscle 18 is water purification water channel, is waste water water channel between water purification ring muscle 18 and waste water ring muscle 19, the outside of waste water ring muscle 19
For inlet channel.
In order to ensure the sealing property between revolving part 3 and filter cylinder 1, as shown in figure 3, the present invention is in intake tunnel 12
Lower port, the lower port of water purification passage 13 be provided with O-ring groove, the mounting O-shaped sealing ring 2 at O-ring groove.
In order to ensure the sealing property between revolving part 3 and filter cylinder 1, as shown in fig. 7, the present invention is in revolving part 3
Side wall O-ring groove 36 is provided with side wall, the mounting O-shaped sealing ring at side wall O-ring groove 36.
For the ease of being rotated to filter cylinder 1, as shown in figure 1, the present invention is provided with handle on top cover 7.
In the present invention, as shown in Fig. 1 to Fig. 3, Figure 10, why the present invention sets blocking cap 4, and it is to enter that it, which acts on one,
Water, waste water, the sealing of water purification passage, ensure that not polluted by environment totally inside filter core 6；Second, prevent the present invention's
Filter core with revolving part in transportation, drop, collide infringement caused by top by reduction.As shown in Figure 10, in the upper of blocking cap 4
End face is provided with positioning column sleeve 41, intake tunnel set 42, water purification passage set 43 and waste water tunnel set 44, and positioning column sleeve 41, water inlet are logical
Road set 42, water purification passage set 43 and waste water tunnel set 44 are stood with rotational positioning post 31, intake tunnel column 32, water purification passage respectively
Post 33 and waste water tunnel column 34 are correspondingly arranged.
Analysis understands that compared with prior art, the advantages of the present invention are：
Filter core provided by the invention with revolving part is convenient by the water passage of filter core 6 by the motion of revolving part 3
Closing and opening, so when being changed to filter core, because rotation installation will not cause water purification passage, waste water tunnel and enter
The position relationship of aquaporin, it can prevent occurring the problem of string water between water purification passage, waste water tunnel and intake tunnel, while this
The filter core with revolving part of invention will not make occur the situation of spilling water at filter core docking port when changing, meanwhile, the present invention also has
There is the characteristics of amount of parts is few, installing/dismounting is easy.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, for each side, all it is merely illustrative, is not only.Institute
Have within the scope of the present invention or be included in the invention in the change being equal in the scope of the present invention.
Claims (9)
- A kind of 1. filter core with revolving part, it is characterised in that including：Filter cylinder (1), revolving part (3), filtering inner core (6), blocking cap (4) and top cover (7), the filtering inner core (6) are arranged on described The inside of filter cylinder (1) is simultaneously fixed by the top cover (7), and the revolving part (3) and the bottom of the filter cylinder (1) pass through rotation Turn neck mode to connect, the blocking cap (4) is arranged on the bottom of the filter cylinder (1).
- 2. the filter core according to claim 1 with revolving part, it is characterised in that：Be provided with slideway (16) in the bottom groove inwall of the filter cylinder (1), three water channels be provided with groove inner wall bottom, from it is interior toward It is followed successively by water purification passage (13), waste water tunnel (14) and intake tunnel (12) outside；Be provided with the lower surface of the revolving part (3) into Aquaporin column (32), water purification passage column (33), waste water tunnel column (34) and rotational positioning post (31)；In the revolving part (3) upper surface is provided with unidirectional valve pool (37), and the unidirectional valve pool (37) is arranged concentrically with the water purification passage column (33), The side of the revolving part (3) is provided with two revolving part lugs (35), and the revolving part (3) passes through two revolving part lugs (35) rotation for realizing the revolving part (3) and the filter cylinder (1) is coordinated to install with the slideway (16) of the filter cylinder (1), So that the intake tunnel column (32) docked with the intake tunnel (12), make the water purification passage column (33) with it is described net Aquaporin (13) docking, the waste water tunnel column (34) is set to be docked with the waste water tunnel (14), check valve (5) is placed in described In unidirectional valve pool (37).
- 3. the filter core according to claim 2 with revolving part, it is characterised in that：Positioning convex point (38) is provided with the revolving part (3), positioning convex point slideway (17), institute are provided with the filter cylinder (1) The positioning convex point (38) stated on revolving part (3) moves in the positioning convex point slideway (17) of the filter cylinder (1).
- 4. the filter core according to claim 2 with revolving part, it is characterised in that also include：Passage reinforcement (39), the passage reinforcement (39) are vertically arranged in the inner chamber of the waste water tunnel column (34) respectively With the inner chamber of the water purification passage column (33).
- 5. the filter core according to claim 2 with revolving part, it is characterised in that：In the filter cylinder (1), lower inside has water purification ring muscle (18) and waste water ring muscle (19)；Wherein, the water purification ring muscle (18) Inner side is water purification water channel, is waste water water channel between the water purification ring muscle (18) and the waste water ring muscle (19), the waste water ring muscle (19) outside is inlet channel.
- 6. the filter core according to claim 2 with revolving part, it is characterised in that：Lower port, the lower port of the water purification passage (13) in the intake tunnel (12) are provided with O-ring groove, in O-ring groove Locate mounting O-shaped sealing ring (2).
- 7. the filter core according to claim 1 with revolving part, it is characterised in that：Side wall O-ring groove (36) is provided with the side wall of the revolving part (3), in side wall O-ring groove (36) place mounting O-shaped Sealing ring.
- 8. the filter core according to claim 1 with revolving part, it is characterised in that：Handle is provided with the top cover (7).
- 9. the filter core according to claim 1 with revolving part, it is characterised in that：Positioning column sleeve (41), intake tunnel set (42), water purification passage set (43) and waste water are provided with the upper surface of the blocking cap (4) Passage set (44), positioning column sleeve (41), the intake tunnel set (42), the water purification passage set (43) and the waste water lead to Road set (44) respectively with the rotational positioning post (31), the intake tunnel column (32), the water purification passage column (33) and The waste water tunnel column (34) is correspondingly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710913862.7A CN107497152A (en) | 2017-09-30 | 2017-09-30 | A kind of filter core with revolving part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710913862.7A CN107497152A (en) | 2017-09-30 | 2017-09-30 | A kind of filter core with revolving part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107497152A true CN107497152A (en) | 2017-12-22 |
Family
ID=60699114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710913862.7A Pending CN107497152A (en) | 2017-09-30 | 2017-09-30 | A kind of filter core with revolving part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107497152A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755436A (en) * | 2019-03-18 | 2019-05-14 | 广州拓浪智能应急科技有限公司 | A kind of portable Quick Release battery |
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| CN205773715U (en) * | 2016-07-04 | 2016-12-07 | 厦门智蓝环保科技有限公司 | Water purifying pen |
| CN205974070U (en) * | 2016-07-18 | 2017-02-22 | 苏州唯思得净化科技有限公司 | Integration connects formula filter core that disinfects soon |
| CN206381727U (en) * | 2017-01-09 | 2017-08-08 | 北京碧水源净水科技有限公司 | A kind of filtering cartridge lid of Fast Installation |
| CN106746145A (en) * | 2017-02-14 | 2017-05-31 | 中山市九芯净水科技有限公司 | Nine core water purifiers |
| CN206463615U (en) * | 2017-02-14 | 2017-09-05 | 中山市九芯环保科技有限公司 | Fast-connection filter element joint design |
| CN207371174U (en) * | 2017-09-30 | 2018-05-18 | 北京碧水源净水科技有限公司 | A kind of filter core with revolving part |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755436A (en) * | 2019-03-18 | 2019-05-14 | 广州拓浪智能应急科技有限公司 | A kind of portable Quick Release battery |
| CN109755436B (en) * | 2019-03-18 | 2024-04-16 | 广州拓浪智能应急科技有限公司 | Portable quick detach battery |
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