CN205330981U - Compressor and variable presses scaling structure thereof - Google Patents
Compressor and variable presses scaling structure thereof Download PDFInfo
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- CN205330981U CN205330981U CN201521129726.1U CN201521129726U CN205330981U CN 205330981 U CN205330981 U CN 205330981U CN 201521129726 U CN201521129726 U CN 201521129726U CN 205330981 U CN205330981 U CN 205330981U
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- 230000006835 compression Effects 0.000 claims description 67
- 238000007906 compression Methods 0.000 claims description 67
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000000994 depressogenic effect Effects 0.000 claims description 13
- 238000007789 sealing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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Abstract
The utility model discloses a compressor and variable presses scaling structure thereof, this variable press the scaling structure to include the slider body and a movable block, and the slider body has a first rotor contact surface and sets up a first end and the second end at the first rotor contact surface both ends, the movable block is installed in first end and can slide the mass movement relatively, the movable block have with the the second rotor contact surface of the first rotor contact surface configuration at the homonymy, the the second rotor contact surface can be less than or flush the first rotor contact surface. By this, a slider is personally experienced sth. Part of the body and is installed in a movable block of the slider body to show consideration for connecing or keeping away from in sealing the section through the slider, the movable block amplexiforms or keeps away from in the rotor subassembly, but messenger's compressor has, and scaling is pressed to the vary voltage, the volume dwindles and simple structure's efficiency.
Description
Technical field
This utility model relates to a kind of compressor, particularly relates to a kind of compressor and type variable compression ratio structured thereof。
Background technology
As shown in Figures 1 to 4, include an an intermeshing male rotor a and mother rotor b inside traditional compressor, and form an a suction end c and exhaust end d at the two ends of male rotor a and mother rotor b。Additionally, for regulating the compression volume of compressor, a first piston e and one second piston f is more included inside traditional compressor, first piston e and the second piston f can sliding between suction end c and exhaust end d, and utilize control first piston e and the second piston f position reach following four kinds of variable compression ratio situations。
As it is shown in figure 1, entirely carry operating mode, first piston e and the second piston f phase for reducing compression ratio and paste and move toward suction end c simultaneously, reduce rotor compression stroke with aerofluxus ahead of time；As in figure 2 it is shown, entirely carry operating mode, first piston e and the second piston f phase for normally compressed ratio and paste and move toward exhaust end d simultaneously, to maintain the isometric full compression stroke of rotor；As it is shown on figure 3, for reducing compression ratio Unloading Condition, first piston e is parked in contiguous suction end c place, and the second piston f moves toward exhaust end d, makes to occur between first piston e and the second piston f space, reduce compression ratio uninstall action again reducing inspiration capacity；As shown in Figure 4, for normally compressed ratio Unloading Condition, the second piston f is parked in contiguous exhaust end d place, and first piston e moves toward suction end c, makes space occur between first piston e and the second piston f, reaches full compression than uninstall action again reducing inspiration capacity。
But, above-mentioned compressor has the disadvantages that, because first piston e and the second piston f has the volume of two pieces of pistons, and for allowing first piston e and the second piston f be displaced between suction end c and exhaust end d, and there is space between first piston e and the second piston f, the distance causing suction end c to exhaust end d have to be larger than the volume of two pieces of pistons, causes and also must reserve big quantity space inside compressor and cannot reduce volume。
Utility model content
A purpose of the present utility model, it is in that to provide a kind of compressor and type variable compression ratio structured thereof, it is to utilize a slide body and be installed on a movable block of slide body, and amplexiformed by slide body or be away from closed section, movable block amplexiforms or is away from rotor assembly, makes compressor have effect of pressure-variable compression ratio, volume-diminished and simple in construction。
For reaching above-mentioned purpose, this utility model provides a kind of type variable compression ratio structured, comprising:
One slide body, has a first rotor contact surface and is arranged on one first end and one second end at these the first rotor contact surface two ends；And
One movable block, is installed on this first end and can move relative to this slide body, and this movable block has and is arranged in one second rotor interface of homonymy with this first rotor contact surface, this second rotor interface can lower than or flush this first rotor contact surface。
Above-mentioned type variable compression ratio structured, wherein this first end is provided with a transmission groove, and this movable block is installed on this transmission groove and can retraction or protrude from this transmission groove。
Above-mentioned type variable compression ratio structured, wherein more include a push rod and an actuator, being communicated with inside this slide body wearing groove in the one of this transmission groove, this push rod is arranged in this and wears groove and be connected with each other with this actuator, and this push rod is drawn by this actuator to promote in this movable block。
Above-mentioned type variable compression ratio structured, wherein this push rod one end is provided with a depressed part, the other end can push against or away from this movable block, this actuator is an oil hydraulic cylinder or a pneumatic cylinder, this actuator comprises a first flow, one second runner and oil or gas, this first flow and this second runner are offered on this slide body respectively and are communicated in this depressed part, and this oil or gas are filled in this first flow, this second runner and this depressed part。
Above-mentioned type variable compression ratio structured, wherein this wears groove through this second end, this push rod is provided with a track, this slide body more comprises a raggle block and a card zygostyle, this raggle block cover cap wears groove in this, this second runner is offered from this raggle block, and this raggle block is fixed in this card zygostyle one end, and the other end is embedded in this track and can sliding mutual to this track。
Above-mentioned type variable compression ratio structured, wherein this movable block is extended with a V shape block away from the side of this transmission groove, and this push rod is away from one end and this V mutual clip of shape block of this depressed part。
Above-mentioned type variable compression ratio structured, wherein this movable block has and faces, from this second rotor contact, the inclined wall being gradually reduced thickness away from this first rotor contact surface direction。
For reaching above-mentioned purpose, this utility model also provides for a kind of compressor, comprising:
One body, comprise a casing and be contained in a rotor assembly of this casing internal, these rotor assembly two ends are respectively provided with a suction end and an exhaust end, and define the axially orthogonal inspiration capacity datum line with this rotor assembly between this suction end and this exhaust end, this casing has the medial wall being arranged in this rotor assembly side, this medial wall is formed with a closed section between this suction end and this inspiration capacity datum line, and this medial wall offers a guide channel between this exhaust end and this inspiration capacity datum line；And
Just like the type variable compression ratio structured described in claim 1 to 7 any one, it is placed in this guide channel, this slide body can sliding in this guide channel, this second end can amplexiform or be away from this closed section, and this second rotor interface can amplexiform or be away from this rotor assembly。
Above-mentioned compressor, wherein this first rotor contact surface amplexiforms in this rotor assembly and can relative to this rotor assembly sliding。
Above-mentioned compressor, wherein this casing is communicated with the outlet passageway in this guide channel and a bleed passage, this second rotor interface is formed with one first spacing away from this rotor assembly to make between this second rotor interface and this rotor assembly, this outlet passageway is to should the first spacing configure with this exhaust end, this second end is formed with one second spacing away from this closed section to make between this second end and this closed section, this bleed passage is to should the second spacing configure。
Above-mentioned compressor, wherein the distance of this exhaust end and this inspiration capacity datum line is between this suction end and the 50% to 80% of the distance of this exhaust end。
Above-mentioned compressor, wherein the 70% of the distance that distance is this suction end and this exhaust end of this exhaust end and this inspiration capacity datum line。
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail, but not as to restriction of the present utility model。
Accompanying drawing explanation
This existing reduction compression ratio of Fig. 1 carries the schematic diagram of operating mode entirely；
This existing normally compressed ratio of Fig. 2 carries the schematic diagram of operating mode entirely；
The schematic diagram of this existing reduction compression ratio Unloading Condition of Fig. 3；
This existing normally compressed schematic diagram than Unloading Condition of Fig. 4；
The three-dimensional exploded view of Fig. 5 this utility model type variable compression ratio structured；
The three-dimensional combination figure of Fig. 6 this utility model type variable compression ratio structured；
Another three-dimensional combination figure of Fig. 7 this utility model type variable compression ratio structured；
The three-dimensional combination figure of Fig. 8 this utility model compressor；
The cross-sectional schematic of Fig. 9 this utility model compressor；
Figure 10 this utility model reduces compression ratio and entirely carries the schematic diagram of operating mode；
The normally compressed ratio of Figure 11 this utility model carries the schematic diagram of operating mode entirely；
Figure 12 this utility model reduces the schematic diagram of compression ratio Unloading Condition；
The normally compressed schematic diagram than Unloading Condition of Figure 13 this utility model。
Wherein, accompanying drawing labelling
Prior art
A ... male rotor
B ... mother rotor
C ... suction end
D ... exhaust end
E ... first piston
F ... the second piston
This utility model
100 ... compressor
10 ... type variable compression ratio structured
1 ... slide body
11 ... the first rotor contact surface
12 ... the first end
121 ... transmission groove
13 ... the second end
14 ... wear groove
15 ... raggle block
16 ... card zygostyle
2 ... movable block
21 ... the second rotor interface
22 ... inclined wall
23 ... V shape block
3 ... push rod
31 ... depressed part
32 ... track
4 ... actuator
41 ... first flow
42 ... the second runner
20 ... body
201 ... casing
202 ... rotor assembly
2021 ... male rotor
2022 ... mother rotor
203 ... suction end
204 ... exhaust end
205 ... medial wall
206 ... closed section
207 ... guide channel
208 ... outlet passageway
209 ... bleed passage
L ... inspiration capacity datum line
S1 ... the first spacing
S2 ... the second spacing
Detailed description of the invention
Relevant detailed description of the present utility model and technology contents, will coordinate accompanying drawing to illustrate as follows, but appended accompanying drawing will be only used as illustrative purposes, be not intended to limitation this utility model。
Refer to shown in Fig. 5 to Figure 13, this utility model provides a kind of compressor and type variable compression ratio structured thereof, and this type variable compression ratio structured 10 mainly includes slide body 1 and a movable block 2；Compressor 100 mainly includes body 20 and a type variable compression ratio structured 10。
As shown in Figures 5 to 7, slide body 1 has a first rotor contact surface 11 and is arranged on one first end 12 and one second end 13 at the first rotor contact surface 11 two ends。
Step illustrates as follows in detail, first end 12 is provided with a transmission groove 121, and the second end 13 of slide body 1 is communicated with towards inside wearing groove 14 in the one of transmission groove 121, makes to wear groove 14 through the second end 13, slide body 1 more comprises raggle block 15 and a card zygostyle 16, and raggle block 15 cover cap is in wearing groove 14。
As shown in Figures 5 to 7, movable block 2 is installed on the first end 12 and can move by opposing slider body 1, movable block 2 has and is arranged in the second rotor interface 21 of homonymy with the first rotor contact surface 11, the second rotor interface 21 can lower than or flush the first rotor contact surface 11。
It is further described below, movable block 2 is installed on transmission groove 121 and can retraction or protrude from transmission groove 121, movable block 2 has from the second rotor interface 21 towards the inclined wall 22 being gradually reduced thickness away from the first rotor contact surface 11 direction, and movable block 2 is extended with a V shape block 23 away from the side of transmission groove 121。
As shown in Figures 5 to 7, this utility model type variable compression ratio structured 10 more includes push rod 3 and an actuator 4, and push rod 3 is arranged in and wears groove 14 and be connected with each other with actuator 4, and the driven moving part 4 of push rod 3 draws to promote in movable block 2。
Step illustrates as follows in detail, push rod 3 one end is provided with a depressed part 31, push rod 3 other end can push against or away from movable block 2 and clip mutual to V shape block 23, and then avoid movable block 2 to drop out or depart from transmission groove 121, push rod 3 is provided with a track 32, raggle block 15 is fixed in card zygostyle 16 one end, card zygostyle 16 other end be embedded in track 32 and can sliding mutual to track 32, make push rod 3 not rotate and move linearly along card zygostyle 16。
Additionally, actuator 4 can be an oil hydraulic cylinder, one pneumatic cylinder or a motor, the actuator 4 of the present embodiment is an oil hydraulic cylinder or a pneumatic cylinder, actuator 4 comprises a first flow 41, one second runner 42 and oily or gas, first flow 41, second runner 42 is offered on slide body 1 respectively and is communicated in depressed part 31, oil or gas are filled in first flow 41, second runner 42 and depressed part 31, oil or gas are by into or out first flow 41 and the second runner 42, and then control the capacity of oil or the gas being contained in depressed part 31, to make push rod 3 to push against or away from movable block 2, make the movable block 2 can retraction or protrude from transmission groove 121, second rotor interface 21 can lower than or flush the first rotor contact surface 11。Wherein, the second runner 42 is offered from raggle block 15。
As shown in Fig. 8 to Figure 13, body 20 comprises a casing 201 and is contained in the rotor assembly 202 within casing 201, rotor assembly 202 two ends are respectively provided with suction end 203 and an exhaust end 204, and define the axially orthogonal inspiration capacity datum line L with rotor assembly 202 between suction end 203 and exhaust end 204, casing 201 has the medial wall 205 being arranged in rotor assembly 202 side, medial wall 205 is formed with a closed section 206 between suction end 203 and inspiration capacity datum line L, medial wall 205 offers a guide channel 207 between exhaust end 204 and inspiration capacity datum line L, casing 201 is communicated with outlet passageway 208 and the bleed passage 209 in guide channel 207。Wherein, rotor assembly 202 comprises intermeshing male rotor 2021 and a mother rotor 2022。
Being further described below, the distance of exhaust end 204 and inspiration capacity datum line L determines depending on to reduce how many inspiration capacity, and the distance of usual exhaust end 204 and inspiration capacity datum line L is between suction end 203 and the 50% to 80% of the distance of exhaust end 204。Wherein, the 70% of the distance that optimum distance is suction end 203 and exhaust end 204 of exhaust end 204 and inspiration capacity datum line L
As shown in Fig. 8 to Figure 13, slide body 1 houses and sliding is in guide channel 207, the first rotor contact surface 11 amplexiforms in rotor assembly 202 and can relative to rotor assembly 202 sliding, second end 13 can amplexiform or be away from closed section 206, and the second rotor interface 21 can amplexiform or be away from rotor assembly 202。
Additionally, second rotor interface 21 is formed with one first interval S 1 away from rotor assembly 202 to make between second rotor interface 21 and rotor assembly 202, corresponding first interval S 1 of outlet passageway 208 configures with exhaust end 204, second end 13 is formed with one second interval S 2 away from closed section 206 to make between second end 13 and closed section 206, corresponding second interval S 2 of bleed passage 209 configures。
As shown in Figure 6 to 7, the combination of type variable compression ratio structured 10 of the present utility model, it is to utilize slide body 1 have the first rotor contact surface 11 and be arranged on first end 12 and second end 13 at the first rotor contact surface 11 two ends；Movable block 2 is installed on the first end 12 and can move by opposing slider body 1, and movable block 2 has and is arranged in the second rotor interface 21 of homonymy with the first rotor contact surface 11, the second rotor interface 21 can lower than or flush the first rotor contact surface 11。
As shown in Figure 10 to Figure 13, the combination of compressor 100 of the present utility model, it is to utilize body 20 comprise casing 201 and be contained in the rotor assembly 202 within casing 201, rotor assembly 202 two ends are respectively provided with suction end 203 and exhaust end 204, and define the axial orthogonal inspiration capacity datum line L with rotor assembly 202 between suction end 203 and exhaust end 204, casing 201 has the medial wall 205 being arranged in rotor assembly 202 side, medial wall 205 is formed with closed section 206 between suction end 203 and inspiration capacity datum line L, medial wall 205 offers guide channel 207 between exhaust end 204 and inspiration capacity datum line L；Type variable compression ratio structured 10 is placed in guide channel 207, slide body 1 can sliding in guide channel 207, the second end 13 can amplexiform or be away from closed section 206, and the second rotor interface 21 can amplexiform or be away from rotor assembly 202。
As shown in Figure 10 to Figure 13, the use state of compressor 100 of the present utility model and type variable compression ratio structured 10, its be utilize slide body 1 can sliding in guide channel 207, second end 13 can amplexiform or be away from closed section 206, second rotor interface 21 can amplexiform or be away from rotor assembly 202, and then it is as follows to make compressor have four kinds of variable compression ratio situations。
As shown in Figure 10, entirely carry operating mode for reducing compression ratio, the second end 13 amplexiform in closed section 206 with make between the second end 13 and closed section 206 continuously from, make the compression gas that suction end 203 flows into all be compressed, to maintain the volume compressing gas；Second rotor interface 21 is lower than the first rotor contact surface 11, namely the second rotor interface 21 is away from rotor assembly 202 and is formed with the first interval S 1 between second rotor interface 21 and rotor assembly 202 to make, because of gas compressed flow to exhaust end 204 discharged by outlet passageway 208 in advance time, first interval S 1 can increase the aperture area of exhaust end 204, to reduce the compression ratio of compression gas, and then compressor 100 aerofluxus ahead of time is allowed to reduce rotor compression stroke。
As shown in figure 11, entirely carry operating mode for normally compressed ratio, the second end 13 amplexiform in closed section 206 with make between the second end 13 and closed section 206 continuously from, make the compression gas that suction end 203 flows into all be compressed, to maintain the volume of compression gas；Second rotor interface 21 flushes the first rotor contact surface 11, namely the second rotor interface 21 amplexiform in rotor assembly 202 with make between the second rotor interface 21 and rotor assembly 202 continuously from, because of gas compressed flow to exhaust end 204 discharged by outlet passageway 208 in advance time, the opening of exhaust end 204 maintains original area, to maintain the compression ratio of compression gas, and then compressor 100 is allowed to maintain the isometric full compression stroke of rotor。
As shown in figure 12, for reducing compression ratio Unloading Condition, second end 13 is away from closed section 206 and is formed with the second interval S 2 between second end 13 and closed section 206 to make, because of suction end 203 flow into flow of the compressed gas to the second interval S 2 time, Partial shrinkage gas can be discharged in bleed passage 209, to reduce the volume of compression gas；Second rotor interface 21 is lower than the first rotor contact surface 11, namely the second rotor interface 21 is away from rotor assembly 202 and is formed with the first interval S 1 between second rotor interface 21 and rotor assembly 202 to make, because of gas compressed flow to exhaust end 204 discharged by outlet passageway 208 in advance time, first interval S 1 can increase the aperture area of exhaust end 204, to reduce the compression ratio of compression gas, and then allow compressor 100 reduce inspiration capacity to reduce compression ratio uninstall action again。
As shown in figure 13, Unloading Condition is compared for normally compressed, second end 13 is away from closed section 206 and is formed with the second interval S 2 between second end 13 and closed section 206 to make, because of suction end 203 flow into flow of the compressed gas to the second interval S 2 time, Partial shrinkage gas can be discharged in bleed passage 209, to reduce the volume of compression gas；Second rotor interface 21 flushes the first rotor contact surface 11, namely the second rotor interface 21 amplexiform in rotor assembly 202 with make between the second rotor interface 21 and rotor assembly 202 continuously from, because of gas compressed flow to exhaust end 204 discharged by outlet passageway 208 in advance time, the opening of exhaust end 204 maintains original area, to maintain the compression ratio of compression gas, and then allow compressor 100 reduce inspiration capacity to reach full compression than uninstall action again。
It addition, existing compressor is to utilize two pistons to cooperate to reach four kinds of variable compression ratio situations, but this utility model utilizes a slide body and is installed on a movable block of slide body to reach four kinds of variable compression ratio situations。So, this utility model compares one piston volume of existing minimizing, makes compressor 10 inside need not reserve big quantity space and can reduce volume, and the advantage that compressor 100 and type variable compression ratio structured 10 have simple in construction。
Furthermore, movable block 2 has from the second rotor interface 21 towards the inclined wall 22 being gradually reduced thickness away from the first rotor contact surface 11 direction, smooth and easy and flow to outlet passageway 208 rapidly to guide compression gas。
Certainly; this utility model also can have other various embodiments; when without departing substantially from this utility model spirit and essence thereof; those of ordinary skill in the art are when can make various corresponding change and deformation according to this utility model, but these change accordingly and deformation all should belong to the scope of the claims appended by this utility model。
Claims (12)
1. a type variable compression ratio structured, it is characterised in that including:
One slide body, has a first rotor contact surface and is arranged on one first end and one second end at these the first rotor contact surface two ends；And
One movable block, is installed on this first end and can move relative to this slide body, and this movable block has and is arranged in one second rotor interface of homonymy with this first rotor contact surface, this second rotor interface can lower than or flush this first rotor contact surface。
2. type variable compression ratio structured according to claim 1, it is characterised in that this first end is provided with a transmission groove, this movable block is installed on this transmission groove and can retraction or protrude from this transmission groove。
3. type variable compression ratio structured according to claim 2, it is characterized in that, more include a push rod and an actuator, it is communicated with inside this slide body wearing groove in the one of this transmission groove, this push rod is arranged in this and wears groove and be connected with each other with this actuator, and this push rod is drawn by this actuator to promote in this movable block。
4. type variable compression ratio structured according to claim 3, it is characterized in that, this push rod one end is provided with a depressed part, the other end can push against or away from this movable block, this actuator is an oil hydraulic cylinder or a pneumatic cylinder, this actuator comprises a first flow, one second runner and oil or gas, and this first flow and this second runner are offered on this slide body respectively and be communicated in this depressed part, and this oil or gas are filled in this first flow, this second runner and this depressed part。
5. type variable compression ratio structured according to claim 4, it is characterized in that, this wears groove through this second end, this push rod is provided with a track, this slide body more comprises a raggle block and a card zygostyle, and this raggle block cover cap wears groove in this, and this second runner is offered from this raggle block, this raggle block is fixed in this card zygostyle one end, and the other end is embedded in this track and can sliding mutual to this track。
6. type variable compression ratio structured according to claim 4, it is characterised in that this movable block is extended with a V shape block away from the side of this transmission groove, this push rod is away from one end and this V mutual clip of shape block of this depressed part。
7. type variable compression ratio structured according to claim 1, it is characterised in that this movable block has and faces, from this second rotor contact, the inclined wall being gradually reduced thickness away from this first rotor contact surface direction。
8. a compressor, it is characterised in that including:
One body, comprise a casing and be contained in a rotor assembly of this casing internal, these rotor assembly two ends are respectively provided with a suction end and an exhaust end, and define the axially orthogonal inspiration capacity datum line with this rotor assembly between this suction end and this exhaust end, this casing has the medial wall being arranged in this rotor assembly side, this medial wall is formed with a closed section between this suction end and this inspiration capacity datum line, and this medial wall offers a guide channel between this exhaust end and this inspiration capacity datum line；And
Just like the type variable compression ratio structured described in claim 1 to 7 any one, it is placed in this guide channel, this slide body can sliding in this guide channel, this second end can amplexiform or be away from this closed section, and this second rotor interface can amplexiform or be away from this rotor assembly。
9. compressor according to claim 8, it is characterised in that this first rotor contact surface amplexiforms in this rotor assembly and can relative to this rotor assembly sliding。
10. compressor according to claim 8, it is characterized in that, this casing is communicated with the outlet passageway in this guide channel and a bleed passage, this second rotor interface is formed with one first spacing away from this rotor assembly to make between this second rotor interface and this rotor assembly, this outlet passageway is to should the first spacing configure with this exhaust end, this second end is formed with one second spacing away from this closed section to make between this second end and this closed section, this bleed passage is to should the second spacing configure。
11. compressor according to claim 8, it is characterised in that the distance of this exhaust end and this inspiration capacity datum line is between this suction end and the 50% to 80% of the distance of this exhaust end。
12. compressor according to claim 8, it is characterised in that the 70% of the distance that distance is this suction end and this exhaust end of this exhaust end and this inspiration capacity datum line。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521129726.1U CN205330981U (en) | 2015-12-30 | 2015-12-30 | Compressor and variable presses scaling structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521129726.1U CN205330981U (en) | 2015-12-30 | 2015-12-30 | Compressor and variable presses scaling structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205330981U true CN205330981U (en) | 2016-06-22 |
Family
ID=56312640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521129726.1U Expired - Fee Related CN205330981U (en) | 2015-12-30 | 2015-12-30 | Compressor and variable presses scaling structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205330981U (en) |
-
2015
- 2015-12-30 CN CN201521129726.1U patent/CN205330981U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 |
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| CF01 | Termination of patent right due to non-payment of annual fee |