CN203028956U - Pressure limiting valve and pressure vessel pressure limiting device using same - Google Patents
Pressure limiting valve and pressure vessel pressure limiting device using same Download PDFInfo
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- CN203028956U CN203028956U CN 201220492661 CN201220492661U CN203028956U CN 203028956 U CN203028956 U CN 203028956U CN 201220492661 CN201220492661 CN 201220492661 CN 201220492661 U CN201220492661 U CN 201220492661U CN 203028956 U CN203028956 U CN 203028956U
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- pressure
- limiting valve
- pressure limiting
- balancing weight
- seat
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Abstract
The utility model relates to a pressure limiting valve. The pressure limiting valve comprises a shell, an ejector pin and a bottom cladding sheet. An exhaust vent is formed in the upper end face of the shell and communicated with an exhaust passage, the lower end of the shell is of an open structure, the ejector pin is installed and fixed at the top inside the shell, and a pressure regulating seat is further arranged on the portion, on the outer side of the exhaust passage, of the shell. A high pressure balancing weight, a high-low pressure switching piece and a low pressure balancing weight are arranged in the pressure regulating seat, the high pressure balancing weight is arranged in the pressure regulating seat and can be lifted and lowered, the lower pressure balancing weight is fixedly installed at the lower end of the pressure regulating seat through the bottom cladding sheet, the high-low pressure switching piece comprises a support ring and stand bars, and the support ring is located between the high pressure balancing weight and the low pressure balancing weight and can move up and down in the pressure regulating seat. The utility model further relates to a pressure vessel pressure limiting device using the pressure limiting valve. The pressure vessel pressure limiting device using the pressure limiting valve comprises an upper cover, a lower cover, a vent valve core, a nut and the pressure limiting valve, wherein the lower cover is located at the upper end of the vent valve core and provided with a pressure regulating mechanism. The pressure vessel pressure limiting device using the pressure limiting valve enables a valve body to have two functions of high pressure and low pressure at the same time.
Description
Technical field
The utility model belongs to household electrical appliance hardware manufacturing technology field, is specifically related to a kind of pressure limiting valve and adopts the pressure vessel pressure limiting device of this pressure limiting valve.
Background technology
Pressure vessel in the market as the pressure limiting valve of electric pressure cooking saucepan, all is common pressure limiting valve mostly, can only control a kind of pressure control.The pressure limiting valve that can carry out the high-low pressure conversion is also arranged now, its internal structure design magnetic material, but magnetic material uses under high-temperature condition for a long time, causes magnetic to weaken easily, and the dirt on surface also may make magnetic reduce, thereby is difficult to guarantee the constant of pressure.And existing this type of pressure limiting valve, when needing fast pressure relief, it generally all is the lifting that manually pressure limiting valve made progress, make thimble and exhaust plug be in contactless state, realize fast pressure relief, this release mode is because directly with hand lifting pressure limiting valve, hand is easy to be scalded by high temperature and high pressure gas in the operating process, has certain potential safety hazard.
The utility model content
The pressure vessel pressure limiting device that the purpose of this utility model is to provide a kind of pressure limiting valve by gravity and frame for movement realization pressure control and adopts this pressure limiting valve, make pressure limiting valve possess high pressure and two kinds of functions of low pressure simultaneously, and high-low pressure can arbitrarily be changed, to be applicable to different culinary art conditions.
But the pressure vessel pressure limiting device that provides a kind of safety operation to finish fast pressure relief also is provided the purpose of this utility model.
The purpose of this utility model is achieved in that a kind of pressure limiting valve, comprise housing (1), thimble (2) and bag egative film (3), housing has the exhaust passage in (1), its upper surface offers the steam vent (10) that is communicated with the exhaust passage, the lower end is hatch frame, it is characterized in that: described thimble (2) is fixed on the inner top of housing (1), the outside that housing (1) is positioned at the exhaust passage also is provided with a pressure regulating seat (11), be provided with high pressure balancing weight (4) in the described pressure regulating seat (11), high-low pressure bridgeware (5) and low pressure balancing weight (6), described high pressure balancing weight (4) but oscilaltion be arranged in the pressure regulating seat (11), low pressure balancing weight (6) is fixedly mounted on the lower end of pressure regulating seat (11) by bag egative film (3), described high-low pressure bridgeware (5) comprises support ring (50) and leg (51), support ring (50) is positioned between high pressure balancing weight (4) and the low pressure balancing weight (6) and can moves up and down in pressure regulating seat (11), in low pressure balancing weight (6), leg (51) position of bag egative film (3) corresponding high-low pressure bridgewares (5) offers through hole (60 respectively, 30), the leg (51) of high-low pressure bridgeware (5) is from low pressure balancing weight (6), the through hole (60,30) of bag egative film (3) passes.
Be provided with sealing silica gel (40) between described high pressure balancing weight (4) and the high-low pressure bridgeware (5).
A kind of pressure vessel pressure limiting device that adopts pressure limiting valve, comprise loam cake (90), lower cover (91), exhaust plug (92), nut (93) and the described pressure limiting valve of claim 1, offer the installing hole (900) of the described pressure limiting valve of setting-in on the loam cake (90), installing hole (900) position of the corresponding loam cake of lower cover (91) (90) offers through hole, exhaust plug (92) is fastenedly connected by nut (93) after passing the through hole of lower cover (91), it is characterized in that: the upper end that described lower cover (91) is positioned at exhaust plug (92) also is provided with pressure regulating device, comprise axle sleeve (94), conversion seat (95), axle sleeve (94) is socketed in the upper end of exhaust plug (92), conversion seat (95) is rotatably installed on the axle sleeve (94), the upper surface of described conversion seat (95) has concavo-convex alternate pressure regulation step (950) and the conversion driving lever (951) of being located at the outside, the leg (51) of the high-low pressure bridgeware (5) of described pressure limiting valve is connected with pressure regulation step (950), when leg (51) is positioned at the protruding position of pressure regulation step (950), high pressure balancing weight (4) unsettled lifting in the pressure regulating seat (11) of housing (1), described pressure limiting valve is in low-pressure state; When leg (51) was positioned at the recess of pressure regulation step (950), high pressure balancing weight (4) was positioned at pressure regulating seat (11) bottom of housing (1), and described pressure limiting valve is in high pressure conditions; Described loam cake (90) corresponding conversion driving lever (951) position offers gathering sill (901), and conversion driving lever (951) passes from gathering sill (901), and rotation conversion driving lever (951) makes described pressure limiting valve be in high pressure conditions position or low-pressure state position.
The outside of described conversion seat (95) also is provided with a shifting block (952), described lower cover (91) is provided with the pot cover safe self-locking mechanism (96) with shifting block (952) interlock, pot cover safe self-locking mechanism (96) has the elastic reset pivot pin (960) that pushing block (961) reaches and the pot tooth of pot body is connected, has the bayonet socket (962) that cooperates with shifting block (952) on the pushing block (961), pot cover fasten or opening procedure in, the bayonet socket (962) by pushing block (961) promotes shifting block (952) to the high pressure conditions position.
Described loam cake also is provided with pressure relief means thereon on (90), comprise that an elastic reset pressure handle (97), that is installed on the loam cake (90) is movably articulated in the lever (98) of loam cake (90) bottom, the lower end of one end of lever (98) and pressure handle (97) is connected, the other end and described pressure limiting valve housing (1) lower surface are connected, pressure handle (97) is when pressing down, described pressure limiting valve is by the effect of lever (98), with its lifting that makes progress, its thimble (2) is connected with exhaust plug (92) noncontact, is in the dismounting pressure condition.
Described elastic reset pressure handle (97) comprises lever seat (970), push rod (971) and back-moving spring (972), lever seat (970) is fixedly mounted on the loam cake (90), the center has push rod guide securement seat, described push rod (971) but fasten by clasp oscilaltion ground is installed in the push rod guide securement seat, described back-moving spring (972) is socketed in the bottom of push rod (971), one end is resisted against the top of push rod (971), and the other end is resisted against the lower surface of push rod guide securement seat.
The side that described conversion seat (95) is positioned at lever (98) offers breach (953), and the housing bottom that this breach (953) and described pressure limiting valve are passed in the end of lever (98) is connected.
Good effect of the present utility model: owing in the pressure regulating seat of housing, be provided with high pressure balancing weight and high-low pressure bridgeware, by rotating the angle of conversion seat, the leg that makes the high-low pressure bridgeware switches between the recess of pressure regulation step and protruding position, when being positioned at recess, the high pressure balancing weight is seated on the housing, and the gravity by the high pressure balancing weight during sealing is realized the high pressure pressure limiting; When the leg of high-low pressure bridgeware is positioned at the protruding position of pressure regulation step, the high pressure balancing weight is by the conversion seat supports, the not lifting power effect in seal process of high pressure balancing weight this moment, the pressure limiting of pressure vessel mainly comes from the gravity of low pressure balancing weight, thereby realizes two grades of pressure limiting functions of high pressure and low pressure.
Between high pressure balancing weight and high-low pressure bridgeware, sealing silica gel is set, can prevents that aqueous vapor from entering, like this, also can not get rusty even the high pressure balancing weight adopts common ferrous material to make, reduce material cost.
Be provided with at the loam cake place by elastic reset pressure handle and and be movably articulated in the pressure relief means thereon that the lever of loam cake bottom is formed, stir described pressure limiting valve release by lever, because the elastic reset pressure handle is away from described pressure limiting valve, so user's situation can not appear scalding in the operating process, safer.
Description of drawings
Fig. 1 is the pressure limiting valve cutaway view that is in high pressure conditions;
Fig. 2 is the pressure limiting valve cutaway view that is in low-pressure state;
Fig. 3 is the STRUCTURE DECOMPOSITION figure of pressure limiting valve;
Fig. 4 is the STRUCTURE DECOMPOSITION figure of pressure vessel pressure limiting device;
Fig. 5 is the STRUCTURE DECOMPOSITION figure of the pressure vessel pressure limiting device at another visual angle;
Fig. 6 is the lower cover stereogram;
Fig. 7 is the A portion enlarged drawing of Fig. 6;
Fig. 8 switches the STRUCTURE DECOMPOSITION figure of driver part for the pressure limiting valve state;
Fig. 9 is pressure vessel pressure limiting device sectional structure schematic diagram;
Figure 10 is the B portion structure enlarged drawing of Fig. 9;
Figure 11 is the lower cover vertical view of low-pressure state;
Figure 12 is the C portion enlarged drawing of Figure 11;
Figure 13 is the lower cover vertical view of high pressure conditions;
Figure 14 is the D portion enlarged drawing of Figure 13;
Figure 15 is the pressure vessel pressure limiting device vertical view of low-pressure state;
Figure 16 is the E portion enlarged drawing of Figure 15.
The specific embodiment
Below in conjunction with accompanying drawing to pressure limiting valve described in the utility model and adopt the specific embodiment of the pressure vessel pressure limiting device of this pressure limiting valve to be described in further detail.
As Figure 1-3, pressure limiting valve of the present utility model, mainly by housing 1, thimble 2 and bag egative film 3 are formed, has the exhaust passage in the housing 1, its upper surface offers the steam vent 10 that is communicated with the exhaust passage, the lower end is hatch frame, thimble 2 is fixed on the inner top of housing 1, the outside that housing 1 is positioned at the exhaust passage also is provided with a pressure regulating seat 11, be provided with high pressure balancing weight 4 in the pressure regulating seat 11, high-low pressure bridgeware 5 and low pressure balancing weight 6, but be arranged in the pressure regulating seat 11 to described high pressure balancing weight 4 oscilaltions, low pressure balancing weight 6 is fixedly mounted on the lower end of pressure regulating seat 11 by bag egative film 3, high-low pressure bridgeware 5 comprises support ring 50 and leg 51, support ring 50 also can move up and down in pressure regulating seat 11 between high pressure balancing weight 4 and low pressure balancing weight 6, at low pressure balancing weight 6, leg 51 positions of bag egative film 3 corresponding high-low pressure bridgewares 5 offer through hole 60 and through hole 30 respectively, the leg 51 of high-low pressure bridgeware 5 is from low pressure balancing weight 6, through hole 60 and the through hole 30 of bag egative film 3 pass, in order to reduce the manufacturing cost of high pressure balancing weight 4, between high pressure balancing weight 4 and high-low pressure bridgeware 5, be provided with sealing silica gel 40.
Fig. 4-Figure 16 is for adopting the pressure vessel pressure limiting device of above-mentioned pressure limiting valve, comprise loam cake 90, lower cover 91, exhaust plug 92, nut 93 and above-mentioned pressure limiting valve, offer the installing hole 900 of the above-mentioned pressure limiting valve of setting-in on the loam cake 90, installing hole 900 positions of lower cover 91 corresponding loam cakes 90 offer through hole, exhaust plug 92 is fastenedly connected by nut 93 after passing the through hole of lower cover 91, the upper end that lower cover 91 is positioned at exhaust plug 92 also is provided with pressure regulating device, comprise axle sleeve 94, conversion seat 95, axle sleeve 94 is socketed in the upper end of exhaust plug 92, conversion seat 95 is rotatably installed on the axle sleeve 94, the upper surface of conversion seat 95 has concavo-convex alternate pressure regulation step 950 and the conversion driving lever 951 of being located at the outside, leg 51 and the pressure regulation step 950 of the high-low pressure bridgeware 5 of above-mentioned pressure limiting valve are connected, when leg 51 is positioned at the protruding position of pressure regulation step 950, high pressure balancing weight 4 unsettled lifting in the pressure regulating seat 11 of housing 1, above-mentioned pressure limiting valve is in low-pressure state; When leg 51 was positioned at the recess of pressure regulation step 950, high pressure balancing weight 4 was positioned at pressure regulating seat 11 bottoms of housing 1, and above-mentioned pressure limiting valve is in high pressure conditions; Loam cake 90 corresponding conversion driving levers 951 positions offer gathering sill 901, and conversion driving lever 951 passes from gathering sill 901, and rotation conversion driving lever 951 makes above-mentioned pressure limiting valve be in high pressure conditions position or low-pressure state position.In order to realize the safe self-locking of pressure vessel, the outside of conversion seat 95 also is provided with a shifting block 952, lower cover 91 is provided with the pot cover safe self-locking mechanism 96 that links with shifting block 952, and (pot cover safe self-locking mechanism 96 is the conventional structure of pressure vessel, its objective is and prevent that pressure vessel from opening and scald the user under high pressure conditions, here do not describe in detail), pot cover safe self-locking mechanism 96 has the elastic reset pivot pin 960 that pushing block 961 reaches and the pot tooth of pot body is connected, has the bayonet socket 962 that cooperates with shifting block 952 on the pushing block 961, pot cover is in fastening or opening procedure, bayonet socket 962 by pushing block 961 promotes shifting block 952 to the high pressure conditions position, realizes that high pressure is from resetting adjusting.
For operation convenience and the security that improves fast pressure relief, on loam cake 90, also be provided with pressure relief means thereon, comprise that an elastic reset pressure handle 97, that is installed on the loam cake 90 is movably articulated in the lever 98 of loam cake 90 bottoms, one end of lever 98 and the lower end of pressure handle 97 are connected, the other end and above-mentioned pressure limiting valve housing 1 lower surface are connected, when pressure handle 97 presses down, above-mentioned pressure limiting valve is by the effect of lever 98, with its lifting that makes progress, its thimble 2 is connected with exhaust plug 92 noncontacts, is in the dismounting pressure condition.Elastic reset pressure handle 97 comprises lever seat 970, push rod 971 and back-moving spring 972, and lever seat 970 is fixedly mounted on the loam cake 90, and the center has push rod guide securement seat, but push rod 971 is installed in the push rod guide securement seat by clasp oscilaltion ground fastening.Back-moving spring 972 is socketed in the bottom of push rod 971, and an end is resisted against the top of push rod 971, and the other end is resisted against the lower surface of push rod guide securement seat.Conversion seat 95 sides that are positioned at lever 98 offer breach 953, and the housing bottom that this breach 953 and above-mentioned pressure limiting valve are passed in the end of lever 98 is connected.
Claims (7)
1. pressure limiting valve, comprise housing (1), thimble (2) and bag egative film (3), housing has the exhaust passage in (1), its upper surface offers the steam vent (10) that is communicated with the exhaust passage, the lower end is hatch frame, it is characterized in that: described thimble (2) is fixed on the inner top of housing (1), the outside that housing (1) is positioned at the exhaust passage also is provided with a pressure regulating seat (11), be provided with high pressure balancing weight (4) in the described pressure regulating seat (11), high-low pressure bridgeware (5) and low pressure balancing weight (6), described high pressure balancing weight (4) but oscilaltion be arranged in the pressure regulating seat (11), low pressure balancing weight (6) is fixedly mounted on the lower end of pressure regulating seat (11) by bag egative film (3), described high-low pressure bridgeware (5) comprises support ring (50) and leg (51), support ring (50) is positioned between high pressure balancing weight (4) and the low pressure balancing weight (6) and can moves up and down in pressure regulating seat (11), in low pressure balancing weight (6), leg (51) position of bag egative film (3) corresponding high-low pressure bridgewares (5) offers through hole (60 respectively, 30), the leg (51) of high-low pressure bridgeware (5) is from low pressure balancing weight (6), the through hole (60,30) of bag egative film (3) passes.
2. according to the described pressure limiting valve of claim 1, it is characterized in that: be provided with sealing silica gel (40) between described high pressure balancing weight (4) and the high-low pressure bridgeware (5).
3. pressure vessel pressure limiting device that adopts pressure limiting valve, comprise loam cake (90), lower cover (91), exhaust plug (92), nut (93) and the described pressure limiting valve of claim 1, offer the installing hole (900) of the described pressure limiting valve of setting-in on the loam cake (90), installing hole (900) position of the corresponding loam cake of lower cover (91) (90) offers through hole, exhaust plug (92) is fastenedly connected by nut (93) after passing the through hole of lower cover (91), it is characterized in that: the upper end that described lower cover (91) is positioned at exhaust plug (92) also is provided with pressure regulating device, comprise axle sleeve (94), conversion seat (95), axle sleeve (94) is socketed in the upper end of exhaust plug (92), conversion seat (95) is rotatably installed on the axle sleeve (94), the upper surface of described conversion seat (95) has concavo-convex alternate pressure regulation step (950) and the conversion driving lever (951) of being located at the outside, the leg (51) of the high-low pressure bridgeware (5) of described pressure limiting valve is connected with pressure regulation step (950), when leg (51) is positioned at the protruding position of pressure regulation step (950), high pressure balancing weight (4) unsettled lifting in the pressure regulating seat (11) of housing (1), described pressure limiting valve is in low-pressure state; When leg (51) was positioned at the recess of pressure regulation step (950), high pressure balancing weight (4) was positioned at pressure regulating seat (11) bottom of housing (1), and described pressure limiting valve is in high pressure conditions; Described loam cake (90) corresponding conversion driving lever (951) position offers gathering sill (901), and conversion driving lever (951) passes from gathering sill (901), and rotation conversion driving lever (951) makes described pressure limiting valve be in high pressure conditions position or low-pressure state position.
4. the pressure vessel pressure limiting device of employing pressure limiting valve according to claim 3, it is characterized in that: the outside of described conversion seat (95) also is provided with a shifting block (952), described lower cover (91) is provided with the pot cover safe self-locking mechanism (96) with shifting block (952) interlock, pot cover safe self-locking mechanism (96) has the elastic reset pivot pin (960) that pushing block (961) reaches and the pot tooth of pot body is connected, has the bayonet socket (962) that cooperates with shifting block (952) on the pushing block (961), pot cover fasten or opening procedure in, the bayonet socket (962) by pushing block (961) promotes shifting block (952) to the high pressure conditions position.
5. the pressure vessel pressure limiting device of employing pressure limiting valve according to claim 3, it is characterized in that: described loam cake also is provided with pressure relief means thereon on (90), comprise an elastic reset pressure handle (97) that is installed on the loam cake (90), one is movably articulated in the lever (98) of loam cake (90) bottom, the lower end of one end of lever (98) and pressure handle (97) is connected, the other end and described pressure limiting valve housing (1) lower surface are connected, pressure handle (97) is when pressing down, described pressure limiting valve is by the effect of lever (98), with its lifting that makes progress, its thimble (2) is connected with exhaust plug (92) noncontact, is in the dismounting pressure condition.
6. the pressure vessel pressure limiting device of employing pressure limiting valve according to claim 5, it is characterized in that: described elastic reset pressure handle (97) comprises lever seat (970), push rod (971) and back-moving spring (972), lever seat (970) is fixedly mounted on the loam cake (90), the center has push rod guide securement seat, described push rod (971) but fasten by clasp oscilaltion ground is installed in the push rod guide securement seat, described back-moving spring (972) is socketed in the bottom of push rod (971), one end is resisted against the top of push rod (971), and the other end is resisted against the lower surface of push rod guide securement seat.
7. the pressure vessel pressure limiting device of employing pressure limiting valve according to claim 5, it is characterized in that: the side that described conversion seat (95) is positioned at lever (98) offers breach (953), and the housing bottom that this breach (953) and described pressure limiting valve are passed in the end of lever (98) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220492661 CN203028956U (en) | 2012-09-21 | 2012-09-21 | Pressure limiting valve and pressure vessel pressure limiting device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220492661 CN203028956U (en) | 2012-09-21 | 2012-09-21 | Pressure limiting valve and pressure vessel pressure limiting device using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203028956U true CN203028956U (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220492661 Expired - Fee Related CN203028956U (en) | 2012-09-21 | 2012-09-21 | Pressure limiting valve and pressure vessel pressure limiting device using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203028956U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105054770A (en) * | 2015-07-30 | 2015-11-18 | 佛山市顺德区美的电热电器制造有限公司 | Pressure regulating mechanism and pressure cooker with same |
| CN105231814A (en) * | 2015-11-03 | 2016-01-13 | 珠海双喜电器股份有限公司 | Multi-position adjustable pressure pressure-limiting valve |
| CN107307729A (en) * | 2016-04-27 | 2017-11-03 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of cooking appliance |
| CN113133646A (en) * | 2020-01-17 | 2021-07-20 | 佛山市顺德区美的电热电器制造有限公司 | Lid and cooking equipment |
-
2012
- 2012-09-21 CN CN 201220492661 patent/CN203028956U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105054770A (en) * | 2015-07-30 | 2015-11-18 | 佛山市顺德区美的电热电器制造有限公司 | Pressure regulating mechanism and pressure cooker with same |
| CN105054770B (en) * | 2015-07-30 | 2017-12-08 | 佛山市顺德区美的电热电器制造有限公司 | A kind of pressure regulating mechanism and the pressure cooker provided with the pressure regulating mechanism |
| CN105231814A (en) * | 2015-11-03 | 2016-01-13 | 珠海双喜电器股份有限公司 | Multi-position adjustable pressure pressure-limiting valve |
| CN105231814B (en) * | 2015-11-03 | 2018-06-26 | 珠海双喜电器股份有限公司 | A kind of multi-gear adjustable presses pressure limiting valve |
| CN107307729A (en) * | 2016-04-27 | 2017-11-03 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of cooking appliance |
| CN107307729B (en) * | 2016-04-27 | 2020-08-11 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of cooking appliance |
| CN113133646A (en) * | 2020-01-17 | 2021-07-20 | 佛山市顺德区美的电热电器制造有限公司 | Lid and cooking equipment |
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Legal Events
| 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: 20130703 Termination date: 20140921 |
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| EXPY | Termination of patent right or utility model |