CN209724814U - One kind making unrestrained pump - Google Patents
One kind making unrestrained pump Download PDFInfo
- Publication number
- CN209724814U CN209724814U CN201920143433.0U CN201920143433U CN209724814U CN 209724814 U CN209724814 U CN 209724814U CN 201920143433 U CN201920143433 U CN 201920143433U CN 209724814 U CN209724814 U CN 209724814U
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- Prior art keywords
- permanent magnet
- pump
- groove
- iron block
- stator module
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Abstract
The utility model discloses one kind to make unrestrained pump, including the pump housing, mounting base, its middle pump body includes pump case, motor and several blades, motor includes stator module and outer rotor component, several spacing with blades are mounted on the lateral surface of outer rotor component, the pump case bottom of the lower section of stator module is provided with the first groove, the opening of first groove is equipped with a bottom cover, a mounting groove is provided at the top of bottom cover, and the first permanent magnet or iron block are installed inside mounting groove, the mounting base includes the first shell and the second permanent magnet, second permanent magnet is mounted on the first housings, the cross sectional shape of first permanent magnet or iron block is a flat bulk, the bottom surface of bottom cover is a plane and outer profile is round, first cover top portion is provided with the second groove, the surface of second groove is also in pot bottom-shape, the bottom edge of bottom cover is supported on second The surface of groove, is fixed on the pump housing above mounting base, and making the first permanent magnet or iron block, the structure can be simplified, greatly reduces the difficulty of its processing, while the installation of the first permanent magnet or iron block and bottom cover also being made to become simple.
Description
Technical field
The utility model relates to one kind to make unrestrained pump.
Background technique
A kind of flat structure makes disclosed in wave pump and 201580039413.3 according to disclosed in CN201520967006.6
For the supporting arrangement of aquarium attachment, it is known that unrestrained pump of making of adjustable-angle is to utilize to make wave pump on the market at present
Bottom surface and the end face of mounting base realize that make wave pump rotates in mounting base by way of sphere-contact, and are mounted on and make wave pump bottom
The iron block in portion makes the Surface of Sphere shape of wave pump bottom in order to cater to, and generally can be formed to and make the circle that wave pump bottom matches
Ball shape, the iron block of Surface of Sphere shape make its processing technology become complicated, in order to allow iron block to pump bottom good fit with wave is made,
It must also be taken into account that the machining accuracy of the two, and iron block and to make wave pump bottom be curved surface, so that the two is being installed
Become complicated, trouble, while also making to make wave pump overall structure and become complicated.
Summary of the invention
The purpose of this utility model is to provide for one kind and makes unrestrained pump, solves current iron block and makes wave pump bottom using curved surface
Fitting, so that structure is complicated for iron block, processing trouble, while the two also being made to become remarkable technical problem in terms of assembly.
The technical solution of the utility model is achieved in that
One kind making unrestrained pump, including the pump housing, mounting base, and middle pump body includes pump case, motor and several blades, pump case the inside
Equipped with a cavity, motor is mounted in cavity, is provided with apopore at the top of pump case, and bottom is provided with inlet opening, apopore and into
Water hole is connected to cavity, and motor includes stator module and outer rotor component, and outer rotor component is sleeved on outside stator module, several
A spacing with blades is mounted on the lateral surface of outer rotor component, and the pump case bottom of the lower section of stator module is provided with the first groove, the
The opening of one groove is equipped with a bottom cover, is provided with a mounting groove at the top of bottom cover and is equipped with the first permanent magnetism inside mounting groove
Body or iron block, the mounting base include the first shell and the second permanent magnet, and the second permanent magnet is mounted on the first housings,
Be characterized in that: the cross sectional shape of first permanent magnet or iron block is a flat bulk, the bottom surface of bottom cover be a plane and
Outer profile is circle, and the first cover top portion is provided with the second groove, and the surface of the second groove is also in pot bottom-shape, the bottom surface of bottom cover
Edge supports are mutually attracted using the second permanent magnet and the first permanent magnet or iron block on the surface of the second groove, consolidate the pump housing
It is scheduled on above mounting base.
The bottom of mounting groove described above is a plane, and the bottom surface of the first permanent magnet or iron block is also a plane,
The bottom surface of one permanent magnet or iron block is fitted in the bottom of mounting groove.
First shell described above is rubber manufacture.
Mounting base bottom part down described above is additionally provided with a magnetic absorbing seat, the magnetic absorbing seat include second housing and third forever
Magnet, third permanent magnet is mounted on inside second housing, mutually attracted using third permanent magnet and the second permanent magnet, makes mounting base
It is fixed on the glass plate of fish jar.
First permanent magnet or iron block described above are cylindrical.
Second permanent magnet described above is cylindrical；The third permanent magnet is cylindrical.
Pump case described above includes upper housing, lower case and bottom cover, and upper housing includes a collecting ring, at the top of collecting ring in
Between be provided with a baffle, connected between baffle and collecting ring by several connection straps, between adjacent connection strap formed one go out
Water hole, lower casing body side surface have several grids, form an inlet opening between adjacent grid, upper housing and lower case are mutually detained
It closes.
Stator module is installed, stator module is the injection molding together with lower case among the bottom of above-mentioned lower case
, a ceramic bearing is installed among stator module, the shaft above outer rotor component is nested in ceramic bearing.
One kind making unrestrained pump, including the pump housing, mounting base, and middle pump body includes pump case, motor and several blades, pump case the inside
Equipped with a cavity, motor is mounted in cavity, is provided with apopore at the top of pump case, and bottom is provided with inlet opening, apopore with into
Water hole is connected to cavity, and motor includes stator module and outer rotor component, and outer rotor component is sleeved on outside stator module, several
A spacing with blades is mounted on the lateral surface of outer rotor component, and the pump case bottom of the lower section of stator module is provided with the first groove, the
The opening of one groove is equipped with a bottom cover, is provided with a mounting groove at the top of bottom cover, first is equipped with inside mounting groove forever
Magnet or iron block, the mounting base include the first shell and the second permanent magnet, and the second permanent magnet is mounted on the first housings,
It is characterized by: the bottom of mounting groove is a plane, the bottom surface of the first permanent magnet or iron block is also a plane, the first permanent magnet
Or the bottom surface of iron block is fitted in the bottom of mounting groove, the bottom surface of bottom cover is a plane, and the first housing top end face is also a plane,
The bottom surface of bottom cover is fitted on the first housing top end face, mutually attracted using the second permanent magnet and the first permanent magnet or iron block,
It is fixed on the pump housing above mounting base.
Mounting base bottom described above is provided with a magnetic absorbing seat, and the magnetic absorbing seat includes second housing and third permanent magnetism
Body, third permanent magnet is mounted on inside second housing, mutually attracted using third permanent magnet and the second permanent magnet, consolidates mounting base
Determine on a glass.
First permanent magnet or iron block described above are cylindrical.
Second permanent magnet described above is cylindrical；The third permanent magnet is cylindrical.
Pump case described above includes upper housing, lower case and bottom cover, and upper housing includes a collecting ring, collecting ring top
Centre is provided with a baffle, is connected between baffle and collecting ring by several connection straps, and one is formed between adjacent connection strap
Apopore, lower casing body side surface have several grids, form an inlet opening between adjacent grid, upper housing and lower case are mutually detained
It closes.
Stator module is installed, stator module is molded into together with lower case among the bottom of lower case described above
Type, a ceramic bearing is installed among stator module, the shaft above outer rotor component is nested in ceramic bearing.
The utility model compared with prior art, has the advantage that
1, one kind makes unrestrained pump, including the pump housing, mounting base, and middle pump body includes pump case, motor and several blades, stator pack
The pump case bottom of the lower section of part is provided with the first groove, and the opening of the first groove is equipped with a bottom cover, is provided at the top of bottom cover
One mounting groove is equipped with the first permanent magnet or iron block inside mounting groove, the mounting base include the first shell and second forever
Magnet, the second permanent magnet are mounted on the first housings, it is characterised in that: the cross sectional shape of first permanent magnet or iron block
It is a flat bulk, the bottom surface of bottom cover is a plane and outer profile is circle, and the first cover top portion is provided with the second groove, the
The surface of two grooves is also in pot bottom-shape, and the bottom edge of bottom cover is supported on the surface of the second groove, using the second permanent magnet and
First permanent magnet or iron block are mutually attracted, are fixed on the pump housing above mounting base.It makes the knot of the first permanent magnet or iron block
Structure becomes the difficulty for simply greatly reducing its processing, while also becomes the installation of the first permanent magnet or iron block and bottom cover
Simply, making to make wave pump overall structure while not influencing to make the function of adjustable wave pump setting angle becomes simpler.
The further advantage of the utility model is described in specification embodiment part.
Detailed description of the invention
Fig. 1 is the perspective view for making wave pump that the embodiments of the present invention one provide；
Fig. 2 is the explosive view for making wave pump that the embodiments of the present invention one provide；
Fig. 3 is the perspective view for making the wave pump pump housing that the embodiments of the present invention one provide；
Fig. 4 is the explosive view for making the wave pump pump housing that the embodiments of the present invention one provide；
Fig. 5 is the sectional view for making wave pump that the embodiments of the present invention one provide；
Fig. 6 is the schematic diagram after the pump rotation that the embodiments of the present invention one provide；
Fig. 7 is the perspective view for making wave pump that the utility model embodiment two provides；
Fig. 8 is the explosive view for making wave pump that the utility model embodiment two provides；
Fig. 9 is the perspective view for making the wave pump pump housing that the utility model embodiment two provides；
Figure 10 is the explosive view for making the wave pump pump housing that the utility model embodiment two provides；
Figure 11 is the sectional view for making wave pump that the utility model embodiment two provides.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the present invention, 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.
Embodiment one:
As shown in Figures 1 to 5, one kind making unrestrained pump, including the pump housing 1, mounting base 2, and middle pump body 1 includes pump case 11, motor
12 and several blades 13, a cavity 110 is equipped with inside pump case 11, and motor 12 is mounted in cavity 110, is arranged at the top of pump case 11
There is apopore 111, bottom is provided with inlet opening 112, and apopore 111 and inlet opening 112 are connected to cavity 110, and motor 12 includes
Stator module 120 and outer rotor component 121, outer rotor component 121 are sleeved on outside stator module 120, between several blades 13
11 bottom of pump case of the lateral surface for being mounted on outer rotor component 121, the lower section of stator module 120 is provided with the first groove 113,
The opening of first groove 113 is equipped with a bottom cover 14, a mounting groove 140 is provided at the top of bottom cover 14, in mounting groove 140
Face is equipped with the first permanent magnet or iron block 15, and the mounting base 2 includes the first shell 21 and the second permanent magnet 22, the second permanent magnetism
Body 22 is mounted on inside the first shell 21, and the cross sectional shape of first permanent magnet or iron block 15 is a flat bulk, bottom
The bottom surface of lid 14 is a plane and outer profile is circle, is provided with the second groove 210, the second groove 210 at the top of the first shell 21
Surface be also in pot bottom-shape, the bottom edge of bottom cover 14 is supported on the surface of the second groove 210, utilizes 22 He of the second permanent magnet
First permanent magnet or iron block 15 are mutually attracted, are fixed on the pump housing 1 above mounting base 2.Make the first permanent magnet or iron block
The structure can be simplified, greatly reduces the difficulty of its processing, while also becomes the installation of the first permanent magnet or iron block and bottom cover
Simply, making to make wave pump overall structure while not influencing to make the function of adjustable wave pump setting angle becomes simpler.
The bottom of above-mentioned mounting groove 140 is a plane, and the bottom surface of the first permanent magnet or iron block 15 is also a plane,
The bottom surface of one permanent magnet or iron block 15 is fitted in the bottom of mounting groove 140.Structure is simple, easy for installation, the first permanent magnet or
Person's iron block 15, which can be convenient, to fasten with glue in the bottom of mounting groove 140.
2 bottom part down of mounting base described above is additionally provided with a magnetic absorbing seat 3, and the magnetic absorbing seat 3 includes 31 He of second housing
Third permanent magnet 32, third permanent magnet 32 are mounted on 31 the inside of second housing, utilize third permanent magnet 32 and the second permanent magnet 22
It is mutually attracted, it is fixed on mounting base 2 on the glass plate 4 of fish jar, the first shell 21 is rubber manufacture.The structure is simple, installation
It is convenient.
First permanent magnet or iron block 15 described above is cylinder, and structure is simple, easily manufactured.
Second permanent magnet 22 described above is cylindrical；The third permanent magnet 32 is cylinder, and structure is simple, manufacture
It is convenient.
Pump case 11 described above includes upper housing 114, lower case 115 and bottom cover 14, and upper housing 114 includes an afflux
Ring 1140,1140 top center of collecting ring are provided with a baffle 1141, by several between baffle 1141 and collecting ring 1140
Connection strap 1142 connects, and an apopore 111 is formed between adjacent connection strap 1142, there are several grids in 115 side of lower case
1150, an inlet opening 112 is formed between adjacent grid 1150, upper housing 114 and lower case 115 mutually fasten, in the pump housing 11
Bottom opens up inlet opening 112, opens up apopore 111 at the top of the pump housing, and the design is reasonable, and structure is simple, is constantly rotated by motor,
Make apopore 111 of the water constantly from the inlet opening 112 of 11 bottom of pump housing flow direction top, allows the water to circulate.
Stator module 120 is installed, stator module 120 is and lower case among the bottom of lower case 115 described above
115 injection moldings together reduce and make the whole installation difficulty of wave pump, are equipped with a ceramics among stator module 120
Bearing 122, the shaft 123 above outer rotor component 121 are nested in ceramic bearing 122, guarantee that outer rotor component 121 can be normal
Rotation, and the service life of outer rotor component 121 and stator module 120 can be extended.
It turns an angle as shown in fig. 6, the pump housing 1 is provided with the second groove 210 at the top of the first shell 21.
Embodiment two:
As shown in figs. 7 to 11, one kind making unrestrained pump, including the pump housing 1, mounting base 2, and middle pump body 1 includes pump case 11, motor
12 and several blades 13, a cavity 110 is equipped with inside pump case 11, and motor 12 is mounted in cavity 110, is arranged at the top of pump case 11
There is apopore 111, bottom is provided with inlet opening 112, and apopore 111 is connected to inlet opening 112 with cavity 110, and motor 12 includes
Stator module 120 and outer rotor component 121, outer rotor component 121 are sleeved on outside stator module 120, between several blades 13
11 bottom of pump case of the lateral surface for being mounted on outer rotor component 121, the lower section of stator module 120 is provided with the first groove 113,
The opening of first groove 113 is equipped with a bottom cover 14, a mounting groove 140 is provided at the top of bottom cover 14, in mounting groove 140
Face is equipped with the first permanent magnet or iron block 15, and the mounting base 2 includes the first shell 21 and the second permanent magnet 22, the second permanent magnetism
Body 22 is mounted on 21 the inside of the first shell, it is characterised in that: the bottom of mounting groove 140 is a plane, the first permanent magnet or iron
The bottom surface of block 15 is also a plane, and the bottom surface of the first permanent magnet or iron block 15 is fitted in the bottom of mounting groove 140, bottom cover 14
Bottom surface is a plane, and 21 top end face of the first shell is also a plane, and the bottom surface of bottom cover 14 is fitted in 21 top end face of the first shell, benefit
It is mutually attracted with the second permanent magnet 22 and the first permanent magnet or iron block 15, it is fixed on the pump housing 1 above mounting base 2.
2 bottom of mounting base described above is provided with a magnetic absorbing seat 3, and the magnetic absorbing seat 3 includes second housing 31 and third
Permanent magnet 32, third permanent magnet 32 are mounted on 31 the inside of second housing, mutual using third permanent magnet 32 and the second permanent magnet 22
It is attracted, so that mounting base 2 is fixed on the structure on glass plate 4 simple, it is easy for installation.
First permanent magnet or iron block 15 described above is cylinder, and structure is simple, easily manufactured.
Second permanent magnet 22 described above is cylindrical；The third permanent magnet 32 is cylinder, and structure is simple, manufacture
It is convenient.
Pump case 11 described above includes upper housing 114, lower case 115 and bottom cover 14, and upper housing 114 includes an afflux
Ring 1140,1140 top center of collecting ring are provided with a baffle 1141, by several between baffle 1141 and collecting ring 1140
Connection strap 1142 connects, and an apopore 111 is formed between adjacent connection strap 1142, there are several grids in 115 side of lower case
1150, an inlet opening 112 is formed between adjacent grid 1150, upper housing 114 and lower case 115 mutually fasten, in the pump housing 11
Bottom opens up inlet opening 112, opens up apopore 111 at the top of the pump housing, and the design is reasonable, and structure is simple, is constantly rotated by motor,
Make apopore 111 of the water constantly from the inlet opening 112 of 11 bottom of pump housing flow direction top, allows the water to circulate.
Stator module 120 is installed, stator module 120 is and lower case among the bottom of lower case 115 described above
115 injection moldings together reduce and make the whole installation difficulty of wave pump, are equipped with a ceramics among stator module 120
Bearing 122, the shaft 123 above outer rotor component 121 are nested in ceramic bearing 122, guarantee that outer rotor component 121 can be normal
Rotation, and the service life of outer rotor component 121 and stator module 120 can be extended.
Above embodiments are the better embodiment of the utility model, and however, the embodiments of the present invention are not limited thereto,
Made changes, modifications, substitutions, combinations, simplifications under other any spiritual essence and principles without departing from the utility model are
Equivalent substitute mode, is included within the protection scope of the utility model.
Claims (10)
1. one kind makes unrestrained pump, including the pump housing (1), mounting base (2), middle pump body (1) includes pump case (11), motor (12) and several
A blade (13) is equipped with a cavity (110) inside pump case (11), and it is inner that motor (12) is mounted on cavity (110), at the top of pump case (11)
It is provided with apopore (111), bottom is provided with inlet opening (112), and apopore (111) and inlet opening (112) and cavity (110) are even
Logical, motor (12) includes stator module (120) and outer rotor component (121), and outer rotor component (121) is sleeved on stator module
(120) external, several blades (13) are spaced the lateral surface for being mounted on outer rotor component (121), the lower section of stator module (120)
Pump case (11) bottom be provided with the first groove (113), the opening of the first groove (113) is equipped with a bottom cover (14), bottom cover
(14) top is provided with a mounting groove (140), is equipped with the first permanent magnet or iron block (15) inside mounting groove (140),
The mounting base (2) includes the first shell (21) and the second permanent magnet (22), and the second permanent magnet (22) is mounted on the first shell
(21) the inside, it is characterised in that: the cross sectional shape of first permanent magnet or iron block (15) is a flat bulk, bottom cover
(14) bottom surface is a plane and outer profile is circle, is provided with the second groove (210), the second groove at the top of the first shell (21)
(210) surface is also in pot bottom-shape, and the bottom edge of bottom cover (14) is supported on the surface of the second groove (210), utilizes second
Permanent magnet (22) and the first permanent magnet or iron block (15) are mutually attracted, and the pump housing (1) is made to be fixed on mounting base (2) above.
2. one kind according to claim 1 makes unrestrained pump, it is characterised in that: the bottom of mounting groove (140) is a plane, first
The bottom surface of permanent magnet perhaps iron block (15) is also that the bottom surface of first permanent magnet of plane or iron block (15) is fitted in mounting groove
(140) bottom.
3. one kind according to claim 1 makes unrestrained pump, it is characterised in that: the first shell (21) is rubber manufacture.
4. one kind according to claim 1 or 2 or 3 makes unrestrained pump, it is characterised in that: mounting base (2) bottom part down is also
It is provided with a magnetic absorbing seat (3), the magnetic absorbing seat (3) includes second housing (31) and third permanent magnet (32), third permanent magnet
(32) it is mounted on inside second housing (31), it is mutually attracted using third permanent magnet (32) and the second permanent magnet (22), make to install
Seat (2) is fixed on the glass plate (4) of fish jar.
5. one kind according to claim 4 makes unrestrained pump, it is characterised in that: first permanent magnet or iron block (15) are round
Cylindricality, second permanent magnet (22) is cylindrical；The third permanent magnet (32) is cylindrical.
6. one kind according to claim 5 makes unrestrained pump, it is characterised in that: the pump case (11) include upper housing (114), under
Shell (115) and bottom cover (14), upper housing (114) include a collecting ring (1140), the setting of collecting ring (1140) top center
There is a baffle (1141), is connect between baffle (1141) and collecting ring (1140) by several connection straps (1142), adjacent company
An apopore (111) is formed between narrow bars (1142), there are several grids (1150), adjacent grid in lower case (115) side
(1150) inlet opening (112) is formed between, upper housing (114) and lower case (115) mutually fasten.
7. one kind according to claim 6 makes unrestrained pump, it is characterised in that: it is fixed to be equipped among the bottom of lower case (115)
Sub-component (120), stator module (120) are the peaces among stator module (120) with lower case (115) injection molding together
Equipped with a ceramic bearing (122), it is inner that the shaft (123) of outer rotor component (121) above is nested in ceramic bearing (122).
8. one kind makes unrestrained pump, including the pump housing (1), mounting base (2), middle pump body (1) includes pump case (11), motor (12) and several
A blade (13) is equipped with a cavity (110) inside pump case (11), and it is inner that motor (12) is mounted on cavity (110), at the top of pump case (11)
It is provided with apopore (111), bottom is provided with inlet opening (112), and apopore (111) and inlet opening (112) and cavity (110) are even
Logical, motor (12) includes stator module (120) and outer rotor component (121), and outer rotor component (121) is sleeved on stator module
(120) external, several blades (13) are spaced the lateral surface for being mounted on outer rotor component (121), the lower section of stator module (120)
Pump case (11) bottom be provided with the first groove (113), the opening of the first groove (113) is equipped with a bottom cover (14), bottom cover
(14) top is provided with a mounting groove (140), is equipped with the first permanent magnet or iron block (15) inside mounting groove (140),
The mounting base (2) includes the first shell (21) and the second permanent magnet (22), and the second permanent magnet (22) is mounted on the first shell
(21) the inside, it is characterised in that: the bottom of mounting groove (140) is a plane, the bottom surface of the first permanent magnet or iron block (15)
It is a plane, the bottom surface of the first permanent magnet or iron block (15) is fitted in the bottom of mounting groove (140), and the bottom surface of bottom cover (14) is
One plane, the first shell (21) top end face are also a plane, and the bottom surface of bottom cover (14) is fitted on the first shell (21) top end face,
It is mutually attracted using the second permanent magnet (22) and the first permanent magnet or iron block (15), it is fixed on the pump housing (1) on mounting base (2)
Face.
9. one kind according to claim 8 makes unrestrained pump, it is characterised in that: mounting base (2) bottom is provided with a magnetic
Seat (3), the magnetic absorbing seat (3) includes second housing (31) and third permanent magnet (32), and third permanent magnet (32) is mounted on second
It is mutually attracted using third permanent magnet (32) and the second permanent magnet (22) inside shell (31), so that mounting base (2) is fixed on glass
On plate (4), first permanent magnet or iron block (15) are cylinders, and second permanent magnet (22) is cylindrical；It is described
Third permanent magnet (32) is cylindrical.
10. one kind according to claim 9 makes unrestrained pump, it is characterised in that: the pump case (11) include upper housing (114),
Lower case (115) and bottom cover (14), upper housing (114) include a collecting ring (1140), and collecting ring (1140) top center is set
It is equipped with a baffle (1141), is connect between baffle (1141) and collecting ring (1140) by several connection straps (1142), it is adjacent
An apopore (111) is formed between connection strap (1142), there are several grids (1150), adjacent lattice in lower case (115) side
An inlet opening (112) is formed between grid (1150), upper housing (114) and lower case (115) mutually fasten, lower case (115)
Bottom among be equipped with stator module (120), stator module (120) be with lower case (115) injection molding together, fixed
A ceramic bearing (122) is installed among sub-component (120), the shaft (123) of outer rotor component (121) above is nested in pottery
Porcelain bearing (122) is inner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920143433.0U CN209724814U (en) | 2019-01-28 | 2019-01-28 | One kind making unrestrained pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920143433.0U CN209724814U (en) | 2019-01-28 | 2019-01-28 | One kind making unrestrained pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209724814U true CN209724814U (en) | 2019-12-03 |
Family
ID=68681497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920143433.0U Expired - Fee Related CN209724814U (en) | 2019-01-28 | 2019-01-28 | One kind making unrestrained pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209724814U (en) |
-
2019
- 2019-01-28 CN CN201920143433.0U patent/CN209724814U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20220128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |