CN201366317Y - Pressure water bucket provided with protection structure - Google Patents
Pressure water bucket provided with protection structure Download PDFInfo
- Publication number
- CN201366317Y CN201366317Y CNU200820184011XU CN200820184011U CN201366317Y CN 201366317 Y CN201366317 Y CN 201366317Y CN U200820184011X U CNU200820184011X U CN U200820184011XU CN 200820184011 U CN200820184011 U CN 200820184011U CN 201366317 Y CN201366317 Y CN 201366317Y
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- pressure
- staving
- water
- water storage
- spring
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Abstract
The utility model relates to a pressure water bucket provided with a protection structure. The pressure water bucket comprises a bucket body provided with an internal cavity, and the bucket body is formed by the sealing connection of an upper bucket body and a lower bucket, wherein a flexible membrane is fixed between the upper bucket body and the lower bucket by a fastening way, the internal cavity of the bucket body is divided into a water storage cavity and an airtight air cavity by the flexible membrane, and the protection structure which is integrated with the bucket body is arranged on the bucket body of the pressure water bucket. The utility model has the advantages that the water pressure in the pressure water bucket can be limited not to be more than a setting value, the potential safety hazards of the pressure water bucket are avoided, and the requirements to materials for preparing the pressure water bucket and the pressure-bearing design parameters and the cost can be reduced simultaneously.
Description
Technical field
The utility model relates to a kind of pressure water storage barrel that is provided with the protection structure.
Background technology
Along with expanding economy, the trend that the source quality situation worsens has appearred in many places, and shortage of water resources and pollution are more and more serious, and city dweller's drinking water safety problem highlights.At the secondary pollution problem of city tap-water and because source water pollutes the harmful substance that renews in running water, more and more be that the domestic water purifying machine of core filter element enters huge numbers of families with the reverse osmosis membrane.
In the family expenses water purification machine, existing water purification pressure water storage barrel water purification delivery port direct by pipeline usually and reverse osmosis membrane unit is connected, owing to constantly prepare water purification during water purification machine work and pass through pipeline feed pressure water butt, therefore the interior continuous inflow of pressure water storage barrel along with water purification, hydraulic pressure increases gradually; Usually on the pipeline between the water purification delivery port of pressure water storage barrel and reverse osmosis membrane unit, be provided with high-voltage switch gear in the existing pure water machine system, when hydraulic pressure in the water route reaches setting value, can cut off the water purification machine circuit it is quit work.But, when breaking down, high-voltage switch gear just can't make effective control to the situation that hydraulic pressure in the pressure water storage barrel increases, cause the problem of following two aspects:, there is potential safety hazard in the work of pure water machine system 1, along with the increase of pressure water storage barrel hydraulic pressure; 2, its material of Zhi Bei pressure water storage barrel and design parameter all have very big requirement to pressure-bearing, have caused the pressure water storage barrel preparation cost higher.
In addition, existing pressure water storage barrel is for the pressure-bearing security needs, and the normally non-removable tight connection of the connection of staving is so in the pressure water storage barrel use, the filth of deposition is difficult to clean and removes in the bucket, is difficult to guarantee that the user uses water purification; Therefore, the detachable cleaning of pressure water storage barrel is very necessary.
The 3rd, in existing pressure water storage barrel use, under some situation (as when changing the rearmounted filter core of domestic water purifying machine) need close the water purification in the bucket, common scheme is to be provided with stop valve at the intake-outlet place of pressure water storage barrel, function singleness, relative cost is higher.
The utility model content
Technical problem to be solved in the utility model provides a kind of pressure water storage barrel that is provided with the protection structure, this pressure water storage barrel that is provided with the protection structure can limit the interior hydraulic pressure of pressure water storage barrel and be no more than setting value, avoided the pressure-bearing potential safety hazard of pressure water storage barrel, to the preparation material and the pressure-bearing design parameter requirement reduction of pressure water storage barrel; Simultaneously, the integrated water-breaking structure that is provided with replaces stop valve can further reduce cost; Last lower barrel body adopts the removable seal connected mode, for the user in use the filth of clean deposition in bucket bring great convenience.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the pressure water storage barrel that is provided with the protection structure, comprise the staving that is provided with internal cavities, staving is tightly connected and is constituted by top staving, bottom staving, be compressed with flexible partition between top staving, the bottom staving, flexible partition is separated into water storage cavity and airtight air cavity with the staving internal cavities, and described water storage cavity outside is provided with the intake antrum that is made of top staving body; Intake antrum, be provided with the water shutoff valve port that constitutes by top staving body between the water storage cavity, intake antrum is by top staving body, periphery is pressed abd fixed on the cavity formation that the pressure-sensitive diaphragm between top staving body and the upper end cover forms, intake antrum and intake-outlet are connected, also be provided with the control lever that passes the water shutoff valve port in the described intake antrum, the end that control lever passes the water shutoff valve port is provided with the seal washer that seals this water shutoff valve port, seal washer and water shutoff valve port mate and are fixed on the control lever end by the sealing gasket ring support, the pressure-sensitive diaphragm central part is fixedlyed connected with the control lever upper end, also be provided with the pressure-sensitive spring in the cavity that described upper end cover and pressure-sensitive diaphragm form, pressure-sensitive spring one end acts on pressure-sensitive diaphragm by close pressure pad sheet, and the other end is by spring cushion cover and upper end cover inwall apical grafting.
Be provided with the sub-assembly of cutting off the water supply that can regulate pressure-sensitive spring compression degree between described upper end cover inwall and the spring cushion cover, the position that the sub-assembly of cutting off the water supply protrudes upper end cover is provided with the button of cutting off the water supply.
Be provided with in the described intake antrum and help the envelope spring, help envelope spring one end to act on the loam cake body internal surface that constitutes intake antrum, the other end acts on the inner surface of control lever upper end, and the described envelope spring force direction that helps is opposite with pressure-sensitive spring force direction.
Be dismountable being tightly connected between described top staving, the bottom staving.
Described flexible partition helps the seal ring wing being provided with top staving, the bottom staving place of being fixed, and describedly helps the seal ring wing and flexible partition to be structure as a whole and protruding in being fixed the top staving and the bottom staving at place with flexible partition.
To sum up, the beneficial effects of the utility model are: this pressure water storage barrel that is provided with the protection structure can limit the interior hydraulic pressure of pressure water storage barrel and be no more than setting value, avoided the pressure-bearing potential safety hazard of pressure water storage barrel, to the preparation material and the pressure-bearing design parameter requirement reduction of pressure water storage barrel; Simultaneously, the integrated water-breaking structure that is provided with replaces stop valve can further reduce cost; Last lower barrel body adopts the removable seal connected mode, for the user in use the filth of clean deposition in bucket bring great convenience.
Description of drawings
Fig. 1 is the structural representation that the utility model is provided with the pressure water storage barrel embodiment 1 of protection structure;
Fig. 2 is the perspective view of upper end cover among Fig. 1;
Fig. 3 is the cutaway view of upper end cover among Fig. 2;
Fig. 4 is the cutaway view of upper end cover among Fig. 2;
Fig. 5 is the perspective view of button and the sub-assembly assembling of cutting off the water supply of cutting off the water supply among Fig. 1;
Fig. 6 is the cutaway view of sub-assembly of cutting off the water supply among Fig. 2;
Fig. 7 is the perspective view of sub-assembly of cutting off the water supply;
Fig. 8 is the structural representation of flexible partition among Fig. 1;
Fig. 9 is the structural representation that the utility model is provided with the pressure water storage barrel embodiment 2 of protection structure.
Mark and corresponding parts title among the figure: 01, intake-outlet 02, sealing gasket ring support 03, seal washer 04, water shutoff valve port 05 helps envelope spring 06, control lever 07, pressure-sensitive diaphragm 08, close pressure pad sheet 09, close pressure nut 10, pressure-sensitive spring 11, spring cushion cover 12, the button 13 of cutting off the water supply, the sub-assembly 14 of cutting off the water supply, upper end cover 15, intake antrum 16, water storage cavity 17, airtight air cavity 18, the outer muscle 19 of last bucket, flexible partition 20, top staving 21, nut mold insert 22, screw rod 23, bottom staving 24, gas storage non-return valve 25, the outer muscle 12-1 of following bucket, joint pin 13-1, connecting hole 13-2, the sub-assembly side of cutting off the water supply protuberance 13-3, sub-assembly lower surface 14-1 cuts off the water supply, the groove 14-2 that cuts off the water supply, water flowing projection 19-1, separator bottom 19-2, help seal ring wing 19-3, screw vent 101, water inlet 102, sealing gasket ring support 103, seal washer 104, seal water valve 105, help envelope spring 106, control lever 107, pressure-sensitive diaphragm 108, close pressure pad sheet 109, close pressure nut 110, pressure-sensitive spring 111, spring cushion cover 112, the button 113 of cutting off the water supply, the sub-assembly 114 of cutting off the water supply, upper end cover 115, water chamber 116, water storage cavity 117, airtight air cavity 118, the outer muscle 119 of last bucket, flexible partition 120, top staving 121, nut mold insert 122, screw rod 123, bottom staving 124, gas storage non-return valve 125, the outer muscle 126 of following bucket, water inlet gland 127, sealing ring 128, water outlet 129, intake antrum.
The specific embodiment
Embodiment 1:
Extremely shown in Figure 8 referring to Fig. 1, the pressure water storage barrel that the utility model is provided with the protection structure comprises the staving that is provided with internal cavities, staving is tightly connected and is constituted by top staving 20, bottom staving 23, be compressed with flexible partition 19 between top staving 20, the bottom staving 23, flexible partition 19 is separated into water storage cavity 16 and airtight air cavity 17 with the staving internal cavities; Described water storage cavity 16 outsides are provided with the intake antrum 15 that is made of top staving 20 bodies; Be provided with the water shutoff valve port 04 that constitutes by top staving body between intake antrum 15, the water storage cavity 16, intake antrum 15 is pressed abd fixed on the cavity that the pressure-sensitive diaphragm 07 between top staving 20 bodies and the upper end cover 14 forms by top staving 20 bodies, periphery and constitutes, and intake antrum 15 is connected with intake-outlet 01; Also be provided with the control lever 06 that passes water shutoff valve port 04 in the described intake antrum 15, the end that control lever 06 passes seal water valve 04 is provided with the seal washer 03 that seals this water shutoff valve port 04, seal washer 03 is fixed on control lever 06 end with seal water valve 04 coupling and by sealing gasket ring support 02, and pressure-sensitive diaphragm 07 central part is fixedlyed connected with control lever 06 upper end; Also be provided with pressure-sensitive spring 10 in the cavity that described upper end cover 14 and pressure-sensitive diaphragm 07 form, pressure-sensitive spring 10 1 ends act on pressure-sensitive diaphragm 07 by close pressure pad sheet 08, and the other end is by spring cushion cover 11 and upper end cover 14 inwall apical graftings; Be provided with the sub-assembly 13 of cutting off the water supply that can regulate pressure-sensitive spring 10 compression degrees between described upper end cover 14 inwalls and the spring cushion cover 11, the position that the sub-assembly 13 of cutting off the water supply protrudes upper end cover 14 is provided with the button 12 of cutting off the water supply; Be provided with in the described intake antrum 15 and help envelope spring 05, help envelope spring 05 1 ends to act on the loam cake body internal surface that constitutes intake antrum 15, the other end acts on the upper surface of control lever 06 upper end, and the described envelope spring 05 elastic force direction that helps is opposite with pressure-sensitive spring 10 elastic force directions; Described top staving 20, bottom staving 23 are dismountable being tightly connected; Described flexible partition 19 helps seal ring wing 19-2 being provided with top staving 20, bottom staving 23 places of being fixed, and helps seal ring wing 19-2 and flexible partition 19 to be structure as a whole and protruding in being fixed the top staving 20 and the bottom staving 23 at place with flexible partition 19.
Action principle of the present utility model is: this intake-outlet that is provided with the pressure water storage barrel of protection structure is connected by the water purification delivery port and the clear water faucet of pipeline and reverse osmosis units.When clear water faucet is closed, water purification machine when work, along with the water purification delivery port of reverse osmosis units is constantly imported water purification to water butt, the hydraulic pressure increase in water storage cavity and the intake antrum; When the hydraulic pressure in water storage cavity and the intake antrum increases to design load; hydraulic pressure adds the active force of pressure-sensitive diaphragm and helps the active force of envelope spring to overcome the active force of pressure-sensitive spring to pressure-sensitive diaphragm in the intake antrum; the drive control lever moves upward; the seal washer that drives the control lever end simultaneously moves upward until sealing water shutoff valve port; make intake antrum and water storage cavity hermetic barrier; can prevent after the sealing that the water purification in the water route from continuing to flow into water storage cavity; guarantee that the hydraulic pressure in the water storage cavity can not surpass design load, plays the protective effect to pressure water storage barrel.When the water in the water pipeline flows out, hydraulic pressure reduces in the intake antrum, the pressure-sensitive spring overcomes hydraulic pressure in the intake antrum to the active force of pressure-sensitive diaphragm the active force of pressure-sensitive diaphragm is added the active force that helps the envelope spring, control lever is moved downward, the seal washer that drives the control lever end simultaneously moves downward away from the water shutoff valve port, makes that intake antrum and water storage cavity keep connecting; The water purification that the reverse osmosis units of one side water purification machine makes can flow into water storage cavity, and the water purification in the water storage cavity can flow out for the user and take on the other hand.Under various situations when hydraulic pressure superelevation (comprise in the water pipeline), this pressure water storage barrel inner bucket water is pressed and is no more than setting value, avoided the pressure-bearing potential safety hazard of pressure water storage barrel, preparation material and pressure-bearing design parameter to pressure water storage barrel requires to reduce simultaneously, can obviously reduce the manufacturing cost of pressure water storage barrel.
Cut off the water supply button and the sub-assembly of cutting off the water supply for fixedlying connected, when needs carry out voltage-limiting protection to pressure water storage barrel, make it to be positioned in the water flowing high spot by cut off the water supply button and rotation down; At this moment, the pressure-sensitive spring is compressed, and helps the envelope spring because the little and synchronous compression than the coefficient of elasticity of pressure-sensitive spring of its coefficient of elasticity, and control lever drive seal washer is away from the water shutoff valve port, and pressure water storage barrel is in the water flowing state; When intake antrum hydraulic pressure occurs raising and reaches the pressure limiting design load, the pressure-sensitive spring is subjected to the hydraulic pressure pressure of pressure-sensitive diaphragm impression and upwards compresses, control lever drives seal washer and shifts near to the water shutoff valve port, make water storage cavity and intake antrum be in blocking state, and then realize pressure limiting in the pressure water storage barrel bucket, play protective effect to pressure water storage barrel; In the time need closing to the water purification in the pressure water storage barrel, the cycle button of cutting off the water supply makes it to be retracted into the groove of cutting off the water supply, the pressure-sensitive spring is in no compressive state, the envelope spring that helps of this moment stretches, hold pressure-sensitive diaphragm and drive control lever seal washer is shifted near to the sealing valve port, and then the water purification in the occluding pressure water butt bucket flows out.
When the user need clean pressure water storage barrel, the connecting screw rod dismounting that only needs to go up lower barrel body was come, and the flexible partition of promptly separable formation water storage cavity and top staving are finished cleaning easily, and, can ressemble use thereafter.
Embodiment 2:
Referring to shown in Figure 9, the pressure water storage barrel that the utility model is provided with the protection structure comprises the staving that is provided with internal cavities, staving is by top staving 120, bottom staving 123 formation that is tightly connected, top staving 120, be compressed with flexible partition 119 between the bottom staving 123, flexible partition 119 is separated into water storage cavity 116 and airtight air cavity 117 with the staving internal cavities, described water storage cavity 116 outsides are provided with the intake antrum 129 that is made of top staving 120 bodies, water chamber 115, intake antrum 129 is by top staving body, and top staving body constitutes by the cavity that forms between the water inlet gland 126 of sealing ring 127 sealing and fixing, and water chamber 115 is by top staving body, periphery is pressed abd fixed on the cavity formation that the pressure-sensitive diaphragm 107 between upper end cover 114 and the top staving body forms; Intake antrum 129 is connected with water inlet 101, and water chamber 115 is connected with delivery port 128, water storage cavity 116, has the water shutoff valve port 104 that top staving body constitutes between intake antrum 129, the water chamber 115; Also be provided with the control lever 106 that passes water shutoff valve port 104 in the described turnover water cavity 115, the end that control lever 106 passes water shutoff valve port 104 has the seal washer 103 that seals this water shutoff valve port 104, seal washer 103 is fixed on control lever 106 ends with water shutoff valve port 104 couplings and by sealing gasket ring support 102, pressure-sensitive diaphragm 107 central parts are fixed in control lever 106 upper ends, also be provided with pressure-sensitive spring 110 in the cavity that described upper end cover 114 and pressure-sensitive diaphragm 107 form, pressure-sensitive spring 110 1 ends act on pressure-sensitive diaphragm 107 by close pressure pad sheet 108, and the other end is by spring cushion cover 111 and upper end cover 114 inwall apical graftings.Other each several part structures of present embodiment are identical with embodiment 1.
Claims (10)
1, be provided with the pressure water storage barrel of protection structure, comprise the staving that is provided with internal cavities, staving is by top staving (20), bottom staving (23) formation that is tightly connected, top staving (20), be compressed with flexible partition (19) between the bottom staving (23), flexible partition (19) is separated into water storage cavity (16) and airtight air cavity (17) with the staving internal cavities, it is characterized in that, described water storage cavity (16) outside is provided with the intake antrum (15) that is made of top staving (20) body, intake antrum (15), be provided with the water shutoff valve port (04) that constitutes by top staving body between the water storage cavity (16), intake antrum (15) is by top staving (20) body, periphery is pressed abd fixed on the cavity formation that the pressure-sensitive diaphragm (07) between top staving (20) body and the upper end cover (14) forms, and intake antrum (15) is connected with intake-outlet (01); Also be provided with the control lever (06) that passes water shutoff valve port (04) in the described intake antrum (15), the end that control lever (06) passes water shutoff valve port (04) is provided with the seal washer (03) that seals this water shutoff valve port (04), and seal washer (03) is fixed on control lever (06) end with water shutoff valve port (04) coupling and by sealing gasket ring support (02); Pressure-sensitive diaphragm (07) central part is fixedlyed connected with control lever (06) upper end; Also be provided with pressure-sensitive spring (10) in the cavity that described upper end cover (14) and pressure-sensitive diaphragm (07) form, pressure-sensitive spring (10) one ends act on pressure-sensitive diaphragm (07) by close pressure pad sheet (08), and the other end is by spring cushion cover (11) and sub-assembly of cutting off the water supply (13) and upper end cover (14) inwall apical grafting.
2, the pressure water storage barrel that is provided with the protection structure according to claim 1; it is characterized in that; be provided with the sub-assembly of cutting off the water supply (13) that can regulate pressure-sensitive spring (10) compression degree between described upper end cover (14) inwall and the spring cushion cover (11), the position that the sub-assembly of cutting off the water supply (13) protrudes upper end cover (14) is provided with the button of cutting off the water supply (12).
3, the pressure water storage barrel that is provided with the protection structure according to claim 1; it is characterized in that; be provided with in the described intake antrum (15) and help envelope spring (05); help envelope spring (05) one end to act on the loam cake body internal surface that constitutes intake antrum (15); the other end acts on the inner surface of control lever (06) upper end, and described envelope spring (05) the elastic force direction that helps is opposite with pressure-sensitive spring (10) elastic force direction.
4, according to any described pressure water storage barrel that is provided with the protection structure of claim 1 to 3, it is characterized in that, be dismountable being tightly connected between described top staving (20), the bottom staving (23).
5, according to any described pressure water storage barrel that is provided with the protection structure of claim 1 to 3; it is characterized in that; described flexible partition (19) helps the seal ring wing (19-2) being provided with top staving (20), bottom staving (23) place of being fixed, and describedly helps the seal ring wing (19-2) and flexible partition (19) to be structure as a whole and protruding in being fixed the top staving (20) and the bottom staving (23) at place with flexible partition (19).
6, be provided with the pressure water storage barrel of protection structure, comprise the staving that is provided with internal cavities, staving is by top staving (120), bottom staving (123) formation that is tightly connected, top staving (120), be compressed with flexible partition (119) between the bottom staving (123), flexible partition (119) is separated into water storage cavity (116) and airtight air cavity (117) with the staving internal cavities, it is characterized in that, described water storage cavity (116) outside is provided with the intake antrum (129) that is made of top staving (120) body, water chamber (115), intake antrum (129) is by top staving body, and top staving body constitutes by the cavity that forms between the water inlet gland (126) of sealing ring (127) sealing and fixing, and water chamber (115) is by top staving body, periphery is pressed abd fixed on the cavity formation that the pressure-sensitive diaphragm (107) between upper end cover (114) and the top staving body forms; Intake antrum (129) is connected with water inlet (101), and water chamber (115) is connected with delivery port (128), water storage cavity (116), is provided with the water shutoff valve port (104) that top staving body constitutes between intake antrum (129), the water chamber (115); Also be provided with the control lever (106) that passes water shutoff valve port (104) in the described turnover water cavity (115), the end that control lever (106) passes water shutoff valve port (104) is provided with the seal washer (103) that seals this water shutoff valve port (104), seal washer (103) is fixed on control lever (106) end with water shutoff valve port (104) coupling and by sealing gasket ring support (102), and pressure-sensitive diaphragm (107) central part is fixedlyed connected with control lever (106) upper end; Also be provided with pressure-sensitive spring (110) in the cavity that described upper end cover (114) and pressure-sensitive diaphragm (107) form, pressure-sensitive spring (110) one ends act on pressure-sensitive diaphragm (107) by close pressure pad sheet (108), and the other end is by spring cushion cover (111) and sub-assembly of cutting off the water supply (113) and upper end cover (114) inwall apical grafting.
7, the pressure water storage barrel that is provided with the protection structure according to claim 6; it is characterized in that; be provided with the sub-assembly of cutting off the water supply (113) that can regulate pressure-sensitive spring (110) compression degree between described upper end cover (114) inwall and the spring cushion cover (111), the position that the sub-assembly of cutting off the water supply (113) protrudes upper end cover (114) is provided with the button of cutting off the water supply (112).
8, the pressure water storage barrel that is provided with the protection structure according to claim 6; it is characterized in that; be provided with in the described water chamber (115) and help envelope spring (105); help envelope spring (105) one ends to act on the loam cake body internal surface that constitutes water chamber (115); the other end acts on the inner surface of control lever (106) upper end, and described envelope spring (105) the elastic force direction that helps is opposite with pressure-sensitive spring (110) elastic force direction.
9, according to any described pressure water storage barrel that is provided with the protection structure of claim 6 to 8, it is characterized in that, be dismountable being tightly connected between described top staving (120), the bottom staving (123).
10, according to any described pressure water storage barrel that is provided with the protection structure of claim 6 to 8; it is characterized in that; described flexible partition (119) helps the seal ring wing (119-2) being provided with top staving (120), bottom staving (123) place of being fixed, and describedly helps the seal ring wing (119-2) and flexible partition (119) to be structure as a whole and protruding in being fixed the top staving (120) and the bottom staving (123) at place with flexible partition (119).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820184011XU CN201366317Y (en) | 2008-08-20 | 2008-12-30 | Pressure water bucket provided with protection structure |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820064813 | 2008-08-20 | ||
| CN200820064813.7 | 2008-08-20 | ||
| CNU200820184011XU CN201366317Y (en) | 2008-08-20 | 2008-12-30 | Pressure water bucket provided with protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201366317Y true CN201366317Y (en) | 2009-12-23 |
Family
ID=41485218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820184011XU Expired - Fee Related CN201366317Y (en) | 2008-08-20 | 2008-12-30 | Pressure water bucket provided with protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201366317Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042403A (en) * | 2011-01-07 | 2011-05-04 | 沛毅工业股份有限公司 | Pressure water storage barrel with protection unit |
| TWI397490B (en) * | 2010-12-16 | 2013-06-01 | Pa E Machinery Ind Co Ltd | Pressure tank with protective unit |
-
2008
- 2008-12-30 CN CNU200820184011XU patent/CN201366317Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI397490B (en) * | 2010-12-16 | 2013-06-01 | Pa E Machinery Ind Co Ltd | Pressure tank with protective unit |
| CN102042403A (en) * | 2011-01-07 | 2011-05-04 | 沛毅工业股份有限公司 | Pressure water storage barrel with protection unit |
| CN102042403B (en) * | 2011-01-07 | 2012-11-07 | 沛毅工业股份有限公司 | Pressure water storage barrel with protection unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20111230 |