CN206874559U - M-shaped pump cavity of centrifugal pump - Google Patents
M-shaped pump cavity of centrifugal pump Download PDFInfo
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- CN206874559U CN206874559U CN201720649764.2U CN201720649764U CN206874559U CN 206874559 U CN206874559 U CN 206874559U CN 201720649764 U CN201720649764 U CN 201720649764U CN 206874559 U CN206874559 U CN 206874559U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 5
- 102000010637 Aquaporins Human genes 0.000 claims description 4
- 108010063290 Aquaporins Proteins 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
An M-shaped pump cavity of a centrifugal pump is characterized in that a main cavity is of an M-shaped structure, a first cavity and a first opening are formed through a U-shaped wall, a second cavity is formed between the U-shaped wall and an outer ring wall of the M-shaped structure and is provided with a second opening opposite to the first opening, at least one radiating flange is formed on the outer surface of the outer ring wall, a cover body is covered on the first opening, a third cavity is formed on the inner side of the cover body, a water inlet is formed at the top end, a water outlet is formed at one side, the cover body and the main cavity are combined with each other to seal the first cavity, and a seat body is covered on the second opening of the main cavity to seal the second cavity so as to achieve the purpose of having the M-shaped structure in the centrifugal pump.
Description
Technical field
The utility model is a kind of M type pump chambers of centrifugal pump, it is espespecially a kind of inside cavity formed with M die cavities room from
The M type pump chambers of heart pump.
Background technology
Existing micropump is designed to mechanical seal, can produce abrasion because of machine operation, and then causes seal life to shorten,
Once the situation of water leakage over time, will be produced, miniature failure of pump is caused.
When miniature failure of pump has the situation that water leaks, the part electronic component inside micropump can be caused to intake, made
Into burning out motor, and then there is hidden trouble in safety, it will make micropump in the running, have and rub and then formed resistance so that micropump
Generation noise is excessive in operation process, the lost of life, reduces the Performance And Reliability of micropump.
Furthermore the rotor of micropump is assembled by magnet, blade, bonnet and plastic shell etc., and micropump is producing
When, for rotor is first poured in into plastic shell, then magnet is put into plastic shell, finally bonnet is welded using ultrasonic,
Manufacturing process is considerably complicated, and homogeneity of product is poor；And magnet is placed in plastic shell, can make because of the influence of plastic interlayer
The Surface field of rotor weakens, and causes the efficiency of rotor can reduce.
In addition, used magnet mostly uses sintered magnet or binding magnet at present in rotor in micropump, and this
The magnet surface of class is coarse, and precision is low, and manufacturing process has more impurity and produced, and cost is high, and noise is big, and long-term operation
Corrosion phenomena can be produced in water, and is polluted.
Therefore, the missing of micropump how is improved, the problem that this problems demand industry solves.
The content of the invention
In view of in above-mentioned creation background, to meet special demand in industry, a kind of M types of this new centrifugal pump of offer
Pump chamber is solving the target that above-mentioned traditional technology fails to reach.
One of the utility model purpose, it is M type structures by main cavity, first chamber and the first opening is formed by U-shaped wall,
Again by forming second chamber between the U-shaped wall and the external annulus of the M type structures, and with the second opening and first aperture position
Relatively, at least one radiated flange separately is formed in the outer surface of the external annulus, cover cap is located at first opening, in the lid
Inner side forms the 3rd chamber, and sets water inlet on top and the mouth of a river is set out in side, and the lid be combined with each other with the main cavity,
To seal the first chamber, then pedestal lid is located to second opening of the main cavity, to seal the second chamber, so as to
Reaching has the purpose of M type structures in the centrifugal pump.
According to above-mentioned purpose, M types pump chamber of the present utility model, it is to mainly include：One is the main chamber of M type structures
Body, the M types structure form first chamber and the first opening by U-shaped wall, wherein, in the U-shaped wall and the external annulus of the M type structures
Between form second chamber, it is and relative with first aperture position with the second opening, wherein, shape on the outer surface of the external annulus
Into at least one radiated flange；Lid is located at the lid of first opening, and the 3rd chamber is formed on the inside of the lid, and on top
If water inlet, and the mouth of a river is set out in side, the lid is combined with each other with the main cavity, to seal the first chamber；Lid is located at
The pedestal of second opening of the main cavity, to seal the second chamber.
According to above-mentioned another pattern of the present utility model, wherein the water inlet of above-mentioned lid is provided with intake tunnel.
According to above-mentioned another pattern of the present utility model, wherein the delivery port of above-mentioned lid is provided with exhalant canal.
According to above-mentioned another pattern of the present utility model, wherein further including rotate element in above-mentioned first chamber to stir
Fluid, with loop actuated element to receive kinetic energy.
According to above-mentioned another pattern of the present utility model, wherein further include central shaft in above-mentioned first chamber, be to
Wear and be fixed on the rotate element and the loop actuated element, the central shaft one end is placed in the M type structures.
According to above-mentioned another pattern of the present utility model, wherein above-mentioned loop actuated element is magnetic element.
According to above-mentioned another pattern of the present utility model, wherein above-mentioned first chamber further includes loop actuated element to connect
Receive in kinetic energy, with the 3rd chamber and further include rotate element to stir fluid.
According to above-mentioned another pattern of the present utility model, wherein above-mentioned M type pump chambers further include central shaft, it is to wear
The rotate element and the loop actuated element are fixed on, the central shaft one end is placed in the M type structures.
According to above-mentioned another pattern of the present utility model, wherein above-mentioned loop actuated element is magnetic element.
According to above-mentioned another pattern of the present utility model, wherein above-mentioned M type pump chambers further include whirler, be placed in this
In two chambers.
According to above-mentioned another pattern of the present utility model, wherein above-mentioned whirler is magnetic devices.
According to an above-mentioned time purpose, centrifugal pump of the present utility model, it is to mainly include：One is the master of M type structures
Cavity, the M types structure form first chamber and the first opening by U-shaped wall, wherein, the U-shaped wall and the external annulus of the M type structures
Between form second chamber, it is and relative with first aperture position with the second opening, wherein, shape on the outer surface of the external annulus
Into at least one radiated flange；Lid is located at the lid of first opening, and the 3rd chamber is formed on the inside of the lid, and on top
If water inlet, and the mouth of a river is set out in side, the lid is combined with each other with the main cavity, is to seal the first chamber；Lid is set
The main cavity this second opening pedestal, to seal the second chamber；It is placed in the first chamber and the 3rd chamber
Interior rotate element, to stir fluid；The loop actuated element of the first chamber is placed in, to receive kinetic energy；To wear
Set is fixed on the rotate element and the central shaft of the loop actuated element, and the central shaft one end is placed in the M type structures；It is placed in
Whirler in the second chamber, to rotate offer rotatory force, transmission kinetic energy passes through the rotatory force to the loop actuated element
The loop actuated element is driven, the loop actuated element rotates the central shaft and drives the rotate element.
According to above-mentioned another pattern of the present utility model, wherein the water inlet of above-mentioned lid is provided with intake tunnel.
According to above-mentioned another pattern of the present utility model, wherein the delivery port of above-mentioned lid is provided with exhalant canal.
According to above-mentioned another pattern of the present utility model, wherein above-mentioned loop actuated element is magnetic element.
According to above-mentioned another pattern of the present utility model, wherein above-mentioned whirler is magnetic devices.
The utility model at least has advantages below effect：The M type pump chambers of centrifugal pump of the present utility model, by the main cavity
11 be the M types structure 111, and the first chamber 113 and first opening 114 are formed by the U-shaped wall 112, the U-shaped wall 112 with
Second chamber 116 is formed between the external annulus 115 of the M types structure 111, and with second opening 117 and first opening
114 positions are relative, and the radiated flange 118 is separately formed on the outer surface of the external annulus 115, by the lid 12 lid be located at this
One opening 114, the 3rd chamber 121 is formed in the inner side of the lid 12, and set on top the water inlet 122 and set this in side
The mouth of a river 123, and the lid 12 be combined with each other with the main cavity 11, to seal the first chamber 113, then the pedestal 13 is covered and set
In second opening 117 of the main cavity 11, to seal the second chamber 116, so as to reaching there is M type knots in the centrifugal pump
The purpose of structure.
Brief description of the drawings
Fig. 1 is the schematic appearance of the M type pump chambers of the utility model centrifugal pump.
Fig. 2 is the diagrammatic cross-section of the M type pump chambers of the utility model centrifugal pump.
Fig. 3 is the decomposing schematic representation of the M type pump chambers of the utility model centrifugal pump.
【Main element symbol description】
11：Main cavity 111：M type structures
112：U-shaped wall 113：First chamber
114：First opening 115：External annulus
116：Second chamber 117：Second opening
118：Radiated flange 12：Lid
121：3rd chamber 122：Water inlet
123：Delivery port 124：Intake tunnel
125：Exhalant canal 13：Pedestal
14：Rotate element 15：Loop actuated element
16：Central shaft 17：Whirler
Embodiment
This new M type pump chamber in the direction that this is inquired into for centrifugal pump, it is new in order to thoroughly understand this, will be under
Detailed structure and its element and method and step are proposed in the description of row.It is apparent that this new execution is not limited to centrifuge
The specific details that the those skilled in the art of the M type pump chambers of pump is familiar with.On the other hand, well-known structure and its element are not described in
In details, to avoid causing this new unnecessary limitation.In addition, to provide clearer description and making to be familiar with this those skilled in the art
Be understood that this new author content, it is illustrated that interior each several part does not have the size relative according to its and drawn, some sizes and its
He is highlighted and the exaggeration that seems in the ratio regular meeting of scale dependent, and incoherent detail section is not also drawn completely, in the hope of diagram
Succinctly.Originally new preferred embodiment will be described in detail as follows, but in addition to these detailed descriptions, this is new acceptable wide
Implement in other examples generally, and this new scope is not limited, its using the claimed the scope of the claims of the application as
It is accurate.
Refer to shown in Fig. 1 to Fig. 3, the first embodiment of the M type pump chambers of the utility model centrifugal pump, the M of the centrifugal pump
Type pump chamber is to mainly include：Main cavity 11, lid 12 and pedestal 13.
According to the present embodiment, the main cavity 11 is M types structure 111, and the M types structure 111 forms first by U-shaped wall 112
The opening of chamber 113 and first 114, wherein, form second chamber between the U-shaped wall 112 and the external annulus 115 of the M types structure 111
116, and with second opening 117 with this first be open 114 positions it is relative, wherein, formed on the outer surface of the external annulus 115 to
A few radiated flange 118, in addition, M types structure 111 also can be integrally formed by U-shaped wall 112 and external annulus 115.The lid 12
Lid is located at first opening 114, and forms the 3rd chamber 121 in the inner side of lid 12, and water inlet 122 is set on top, and
Side sets out the mouth of a river 123, and the lid 12 is combined with each other with the main cavity 11, is to seal the first chamber 113；The pedestal 13
Lid is located at second opening 117 of the main cavity 11, is to seal the second chamber 116.
According to the present embodiment, water inlet 122 of the lid 12, provided with intake tunnel 124.
According to the present embodiment, delivery port 123 of the lid 12, provided with exhalant canal 125.
According to the present embodiment, rotate element 14 is further included to stir fluid in the first chamber 113, with loop actuated element
15 to receive kinetic energy.
According to the present embodiment, the first chamber 113 further includes central shaft 16, is to be fixed on the rotate element 14 to wear
With the loop actuated element 15, the one end of central shaft 16 is placed in the M types structure 111.
According to the present embodiment, the loop actuated element 15 is magnetic element.
According to the present embodiment, the first chamber 113 further includes the loop actuated element 15 to receive kinetic energy, with the 3rd chamber
Rotate element 14 is further included in room 121 to stir fluid.
According to the present embodiment, the M type pump chambers further include central shaft 16, are to be fixed on the rotate element 14 with being somebody's turn to do to wear
Loop actuated element 15, the one end of central shaft 16 are placed in the M types structure 111.
According to the present embodiment, the loop actuated element 15 is magnetic element.
According to the present embodiment, the M type pump chambers further include whirler 17 and are placed in the second chamber 116.
According to the present embodiment, the whirler 17 is magnetic devices.
The M type pump chambers of the utility model centrifugal pump, to be the M types structure 111 by the main cavity 11, the M types structure 111 is borrowed
The first chamber 113 and first opening 114 are formed by the U-shaped wall 112, wherein, the U-shaped wall 112 and the M types structure 111
The second chamber 116 is formed between external annulus 115, and it is relative with 114 positions of the first opening with second opening 117, its
In, the radiated flange 118 is formed on the outer surface of the external annulus 115, is transported the M types pump chamber by the radiated flange 118
Caused thermal source is radiated when turning.
The lid 12 lid is located at first opening 114, the inner side of lid 12 is formed the 3rd chamber 121, in the lid
The top of body 12 sets the water inlet 122, and the delivery port 123 is set in the side of the lid 12, and the water inlet 122 enters provided with this
Aquaporin 124 is communicated between the 3rd chamber 121, and the chamber 121 of delivery port 123 and the 3rd and is communicated with the exhalant canal
125, allow the fluid flowed into from the water inlet 122, the 3rd chamber 121 can be flow to via the intake tunnel 124, then go out via this
Aquaporin 125 flow to the delivery port 123 and flowed out, also, after the lid 12 is combined with each other with the main cavity 11, then by the first chamber
113 are sealed.
Then, the pedestal 13 lid is located to second opening 117 of the main cavity 11, just given the second chamber 116
Sealing.
Furthermore the rotate element 14 in the present embodiment, is further included in the first chamber 113 can stir fluid, with this time
Circle actuated element 15 then receives kinetic energy；Also, further including central shaft 16 in the first chamber 113, the central shaft 16, which is worn, to be fixed on
The rotate element 14 and the loop actuated element 15, and one end of the central shaft is placed in the M types structure 111, and the loop passes
Dynamic element 15 is magnetic element.
Also, in the present embodiment, the loop actuated element 15 is further included in the first chamber 113 to receive kinetic energy, with this
The rotate element 14 is further included in 3rd chamber 121 to stir fluid；Central shaft 16 is further included in the M type pump chambers, wears fixation
In the rotate element 14 and the loop actuated element 15, one end of the central shaft 16 is placed in the M types structure 111.
And the M type pump chambers further include the whirler 17, then it is placed in the second chamber 116, wherein the whirler 17 is
Electric motor, and be magnetic devices, when in the operation process of whirler 17, there is provided rotatory force, and transmit kinetic energy to the loop and pass
Dynamic element 15, the loop actuated element 15 is driven by the rotatory force, the loop actuated element 15 is rotated the central shaft 16 and is entered
And drive the rotate element 14 to stir fluid, the fluid for allowing the M types pump chamber to flow will not be leaked to from the first chamber 113 this
Two chambers 116, influence the whirler 17 and operate and cause to damage.
Referring to shown in Fig. 3, the second embodiment of the utility model centrifugal pump, the centrifugal pump mainly includes：It is main
Cavity 11, lid 12, pedestal 13, rotate element 14, loop actuated element 15, central shaft 16 and whirler 17.
According to the present embodiment, the main cavity is M types structure 111, and the M types structure 111 forms the first chamber by U-shaped wall 112
The opening of room 113 and first 114, wherein, form the second chamber between the U-shaped wall elements 112 and the external annulus 115 of the M types structure 111
Room 116, and it is relative with 114 positions of the first opening with the second opening 117, wherein, formed on the outer surface of the external annulus 115
At least one radiated flange 118, in addition, M types structure 111 also can be integrally formed by U-shaped wall 112 and external annulus 115.The lid
12 lids are located at first opening 114, and form the 3rd chamber 121 in the inner side of lid 12, and water inlet 122 is set on top, and
The mouth of a river 123 is set out in side, the lid 12 is combined with each other with the main cavity 11, is to seal the first chamber 113；The pedestal
13 lids are located at second opening 117 of the main cavity 11, to seal the second chamber 116；The rotate element 14 is placed in this
In first chamber 113 and the 3rd chamber 121, to stir fluid；The loop actuated element 15 is placed in the first chamber
113, to receive kinetic energy；The central shaft 16 is to be fixed on the rotate element 14 and the loop actuated element 15 to wear, should
The one end of central shaft 16 is placed in the M types structure 111；The whirler 17 is placed in the second chamber 116, is turned to rotate to provide
Power, transmission kinetic energy to the loop actuated element 15, the loop actuated element 15, loop transmission member are driven by the rotatory force
Part 15 rotates the central shaft 16 and drives the rotate element 14.
According to the present embodiment, water inlet 122 of the lid 12, provided with intake tunnel 124.
According to the present embodiment, delivery port 123 of the lid 12, provided with exhalant canal 125.
According to the present embodiment, the loop actuated element 15 is magnetic element.
According to the present embodiment, the whirler 17 is magnetic devices.
Second embodiment make flowing mode and first embodiment to make flowing mode identical, be not repeated here herein.
Understand whereby, the M type pump chambers of centrifugal pump of the present utility model, be the M types structure 111 by the main cavity 11, pass through
The U-shaped wall 112 forms the first chamber 113 and first opening 114, the U-shaped wall 112 and the external annulus of the M types structure 111
Second chamber 116 is formed between 115, and it is relative with 114 positions of the first opening with second opening 117, separately in the outer shroud
The radiated flange 118 is formed on the outer surface of wall 115, the lid 12 lid is located at first opening 114, in the lid 12
Side forms the 3rd chamber 121, and sets the water inlet 122 on top and the delivery port 123 is set in side, and the lid 12 is with being somebody's turn to do
Main cavity 11 be combined with each other, and to seal the first chamber 113, then the pedestal 13 lid is located at into this of the main cavity 11 and second opened
Mouth 117, to seal the second chamber 116, there is the purpose of M type structures so as to reaching in the centrifugal pump.
It is apparent that according to the description in above example, this new amendment that may have many and difference.Therefore need to be at it
Understood in the range of appended claims, in addition to foregoing detailed description, sheet is new can also be widely other real
Apply in example and implement.This new preferred embodiment is above are only, it is claimed to be not limited to this new application
The scope of the claims；It is all other without departing from the equivalent change or modification completed under this new disclosed spirit, it should be included in this
Apply in claimed the scope of the claims.
Claims (16)
1. a kind of M types pump chamber, it is characterised in that the M type pump chambers include：
Main cavity, the main cavity are M type structures, and the M types structure forms first chamber and the first opening by U-shaped wall, wherein,
Second chamber is formed between the U-shaped wall and the external annulus of the M type structures, and with the second opening and the first aperture position phase
It is right, wherein, at least one radiated flange is formed on the outer surface of the external annulus；Lid, it is that lid is located at first opening, and at this
The 3rd chamber is formed on the inside of lid, and water inlet is set on top, and the mouth of a river is set out in side, the lid is tied mutually with the main cavity
Close, be to seal the first chamber；With pedestal, be lid be located at the main cavity this second opening, be seal this second
Chamber.
2. M types pump chamber according to claim 1, it is characterised in that：The water inlet of wherein above-mentioned lid, be provided with into
Aquaporin.
3. M types pump chamber according to claim 1, it is characterised in that：The delivery port of wherein above-mentioned lid, is provided with out
Aquaporin.
4. M types pump chamber according to claim 1, it is characterised in that：Rotation member is further included in wherein above-mentioned first chamber
Part is to stir fluid, with loop actuated element to receive kinetic energy.
5. M types pump chamber according to claim 4, it is characterised in that：Central shaft is further included in wherein above-mentioned first chamber,
It is to wear to be fixed on the rotate element and the loop actuated element, the central shaft one end is placed in the M type structures.
6. M types pump chamber according to claim 4, it is characterised in that：Wherein above-mentioned loop actuated element, it is magnetic member
Part.
7. M types pump chamber according to claim 1, it is characterised in that：Wherein above-mentioned first chamber further includes loop transmission
Element is to receive kinetic energy, with further including rotate element in the 3rd chamber to stir fluid.
8. M types pump chamber according to claim 7, it is characterised in that：The M type pump chambers further include central shaft, are to wear
The rotate element and the loop actuated element are fixed on, the central shaft one end is placed in the M type structures.
9. M types pump chamber according to claim 7, it is characterised in that：Wherein above-mentioned loop actuated element, it is magnetic member
Part.
10. M types pump chamber according to claim 1, it is characterised in that：The M type pump chambers further include whirler, are to be placed in this
In second chamber.
11. M types pump chamber according to claim 10, it is characterised in that：Wherein above-mentioned whirler, it is magnetic devices.
12. a kind of centrifugal pump, it is characterised in that the centrifugal pump includes：
Main cavity, the main cavity are M type structures, and the M types structure forms first chamber and the first opening by U-shaped wall, wherein,
Second chamber is formed between the U-shaped wall and the external annulus of the M type structures, and with the second opening and the first aperture position phase
It is right, wherein, at least one radiated flange is formed on the outer surface of the external annulus；Lid, it is that lid is located at first opening, and at this
The 3rd chamber is formed on the inside of lid, and water inlet is set on top, and the mouth of a river is set out in side, the lid is tied mutually with the main cavity
Close, be to seal the first chamber；With pedestal, be lid be located at the main cavity this second opening, be seal this second
Chamber；
Rotate element, it is to be placed in the first chamber and the 3rd chamber, is to stir fluid；
Loop actuated element, it is to be placed in the first chamber, is to receive kinetic energy；
Central shaft, it is to wear to be fixed on the rotate element and the loop actuated element, the central shaft one end is placed in the M type knots
On structure；With
Whirler, it is placed in the second chamber, is that offer rotatory force is provided, transmission kinetic energy to the loop is driven member
Part, the loop actuated element is driven by the rotatory force, the loop actuated element rotates the central shaft and drives the rotate element.
13. centrifugal pump according to claim 12, it is characterised in that：The water inlet of wherein above-mentioned lid, is provided with
Intake tunnel.
14. centrifugal pump according to claim 12, it is characterised in that：The delivery port of wherein above-mentioned lid, is provided with
Exhalant canal.
15. centrifugal pump according to claim 12, it is characterised in that：Wherein above-mentioned loop actuated element, it is magnetic member
Part.
16. centrifugal pump according to claim 12, it is characterised in that：Wherein above-mentioned whirler, it is magnetic devices.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106207925 | 2017-06-02 | ||
| TW106207925U TWM551657U (en) | 2017-06-02 | 2017-06-02 | M-type pump chamber and centrifugal pump with the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206874559U true CN206874559U (en) | 2018-01-12 |
Family
ID=61014544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720649764.2U Active CN206874559U (en) | 2017-06-02 | 2017-06-06 | M-shaped pump cavity of centrifugal pump |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3216102U (en) |
| CN (1) | CN206874559U (en) |
| TW (1) | TWM551657U (en) |
-
2017
- 2017-06-02 TW TW106207925U patent/TWM551657U/en unknown
- 2017-06-06 CN CN201720649764.2U patent/CN206874559U/en active Active
- 2017-06-21 JP JP2017002794U patent/JP3216102U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| TWM551657U (en) | 2017-11-11 |
| JP3216102U (en) | 2018-05-17 |
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