CN104646208B - Spray gun - Google Patents
Spray gun Download PDFInfo
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- CN104646208B CN104646208B CN201510101956.5A CN201510101956A CN104646208B CN 104646208 B CN104646208 B CN 104646208B CN 201510101956 A CN201510101956 A CN 201510101956A CN 104646208 B CN104646208 B CN 104646208B
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- blocking unit
- valve seat
- break
- water route
- water
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Abstract
The invention discloses spray gun, including：Standing part is provided with main water route；Blocking unit is installed in standing part, by blocking unit activity or the main water route break-make of Deformation control；Other water route include one through blocking unit through the logical variation in water pressure chamber being located at through between road and pressure release passage of road, a pressure release passage and；Valve seat and operating parts, the all activities of the valve seat, operating parts are installed in standing part, the operating parts is connected valve seat with by operating parts activity drive valve seat activity, the valve seat coordinates pressure release passage with by valve seat activity control pressure release passage break-make, variation in water pressure chamber variation in water pressure is controlled by pressure release passage break-make, using break-in of making a concerted effort suffered by variation in water pressure chamber variation in water pressure control blocking unit to promote blocking unit activity or control blocking unit deformation, main water route break-make is realized.Beneficial effects of the present invention：Achievable constant force switching；Switching dynamics is light；Life-span length；Stroke is short.
Description
Technical field
The present invention relates to a kind of spray gun.
Background technology
Traditional spray gun, including standing part, blocking unit and operating parts, the standing part is provided with main water route, the blocking unit
It is installed in standing part so that by blocking unit activity or the main water route break-make of Deformation control, the operating parts activity is installed in fixed part
Point, the operating parts is connected blocking unit directly to drive blocking unit activity or deformation by operating parts, is led to controlling main water route
Disconnected.Operating parts directly drives blocking unit activity or deformation, and in activity or deformation process, hydraulic pressure area suffered by blocking unit is big, hydraulic pressure
Greatly, therefore switching power is big, easily occurs being difficult to switch during high pressure or causes the phenomenons such as operating parts fracture.
Content of the invention
It is an object of the invention to provide a kind of spray gun, to solve the above-mentioned problems in the prior art.
The technical scheme that the present invention is provided is as follows：
Spray gun, including：
Standing part (10), is provided with main water route (11)；
Blocking unit (20), is installed in standing part (10), by blocking unit (20) activity or the main water route of Deformation control
(11) break-make；
Other water route (30), can pass to standing part (10) outward through blocking unit (20) through road (31), one including one
Pressure release passage (32) and a logical variation in water pressure chamber (33) being located at through between road (31) and pressure release passage (32), the blocking unit (20)
Contrary by variation in water pressure chamber (33) hydraulic pressure active force and acceptor water route (11) hydraulic pressure active force；
Valve seat (40) and operating parts (50), the valve seat (40), operating parts (50) all activities are installed in standing part (10), should
Operating parts (50) is connected valve seat (40) to drive valve seat (40) movable by operating parts (50) activity, and the valve seat (40) coordinates
Pressure release passage (32) controls water to control pressure release passage (32) break-make by valve seat (40) activity by pressure release passage (32) break-make
Buckling chamber (33) variation in water pressure, controls the suffered break-in with joint efforts of blocking unit (20) using variation in water pressure chamber (33) variation in water pressure to push away
Dynamic blocking unit (20) activity or control blocking unit (20) deformation, realize main water route (11) break-make.
Wherein, variation in water pressure chamber (33) hydraulic pressure act on blocking unit (20) area be S1, main water route (11) hydraulic pressure
Act on area of the blocking unit (20) in main water route (11) break-make and be respectively S2 and S3, the S1 is more than S3.
Wherein, the S2 is more than S3, and the S1 is more than S2.
Wherein, the first elastomer (21) for resetting is provided between the blocking unit (20) and standing part (10), and this first
Elastomer (21) acts on the hydraulic pressure work that the elastic force of blocking unit (20) and variation in water pressure chamber (33) hydraulic pressure act on blocking unit (20)
Firmly in the same direction, the S2 is more than S3；Wherein：Pressure release passage (32) is in the variation in water pressure chamber (33) suffered by blocking unit (20) when disconnecting
The making a concerted effort of hydraulic pressure active force and the first elastomer (21) elastic force blocking unit (20) area S2 is acted on more than main water route (11) hydraulic pressure
Hydraulic pressure active force.
Wherein, the blocking unit (20) sliding installation is interior in standing part (10), by the main water of blocking unit (20) Sliding Control
Road (11) break-make.
Wherein, the blocking unit (20) is leather cup, by blocking unit (20) Deformation control main water route (11) break-make.
Wherein, the valve seat (40) is slidably connected standing part (10), is provided with use between the valve seat (40) and standing part (10)
In the second elastomer (41) for resetting.
Wherein, the operating parts (50) one end is articulated in standing part (10), and the operating parts is provided with contact seat in the middle part of (50)
(51), contact seat (51) the contact valve seat (40), the operating parts (50) the other end constitute the operating portion for user operation.
Wherein, the pressure release passage (32) has one to be located at the outer break-make road of valve seat (40), recessed by valve seat (40) bottom surface
The middle water route (321) for being formed and a through hole (322) in the valve seat (40) inside and outside water route (321), break-make road one end connection
The break-make road other end and middle water route (321) are connected in variation in water pressure chamber (33), the through hole (322), and in this, water route (321) can pass to solid
That determines part (10) goes out the water surface, and the valve seat (40) peripheral hardware one coordinates the sealing ring (43) in the middle part of break-make road, living by valve seat (40)
Move using sealing ring (43) control break-make road break-make.
Wherein, the standing part (10) includes the affixed point water body (13) of a body (12) and an opposing body (12), should
Divide water body (13) that there is the annular convex ring (131) for protruding, the blocking unit (20) and annular convex ring (131) end face to coordinate the main water of control
Road (11) break-make, between this point of water body (13) and blocking unit (20) formed based on water route (11) part.
Wherein, the standing part (10) also includes a separating stand (14) and a fixed seat (15), the separating stand (14) bottom
Gu support is on point water body (13), the separating stand (14) top is fixed in fixed seat (15), the fixed seat (15) and point water body
(13) affixed, the blocking unit (20) is located between separating stand (14) and point water body (13), and the valve seat (40) is slidably connected at separating stand
(14) in and top passes fixed seat (15).
Wherein, the standing part (10) includes that a cover (16), main water route (11) connect cover (16).
Seen from the above description, beneficial effects of the present invention are as follows：
1st, other water route is had additional, and operating parts and valve seat coordinate the other water route of control to open with pressure release or close with pressurize, then profit
With pressure release or pressurize cause blocking unit hydraulic pressure active force produce size difference, using the difference of size make blocking unit activity or
Deformation, is opened or closed with controlling main water route, therefore can be overcome the shortcomings of existing for background technology, and produces following technology effect
Really：A, switching power less, can realize that constant force switches substantially with hydraulic pressure increase change；B, interior pressure are little, and switching dynamics is light；c、
Interior pressure is little, can meet 200,000 switching life requirements, life-span length；D, very short stroke (such as 1mm) is only needed to can control other water
Road break-make, whole outward appearance are more preferable.
2nd, the operating parts one end is articulated in standing part, is provided with contact seat, contact seat contact valve seat, operation in the middle part of operating parts
Part the other end constitutes the operating portion for user operation, applies laborsaving lever so that natively little switching force degree is lighter, cuts
Change power can be also controlled within 10N under high pressure.
3rd, the area that variation in water pressure chamber hydraulic pressure acts on blocking unit is S1, and main water route hydraulic pressure acts on blocking unit in main water route
Area during break-make is respectively S2 and S3, S1 are more than S3, and S2 is more than S3, and pressure release passage is closed and can control blocking unit reset, control
Make main water route to close.
4th, pressure release passage is in the variation in water pressure chamber hydraulic pressure active force and the first elastomer elastic force suffered by blocking unit when disconnecting
Make a concerted effort act on the hydraulic pressure active force of blocking unit area S2 more than main water route hydraulic pressure, pressure release passage is closed and can control blocking unit
Reset, control main water route and close.
Description of the drawings
Fig. 1 is the dimensional decomposition structure diagram of spray gun of the present invention；
The cross-sectional view that Fig. 2 is closed for spray gun, arrow show water (flow) direction；
The section partial structural diagram that Fig. 3 is closed for spray gun, arrow show water (flow) direction；
Cross-sectional views of the Fig. 4 for spray gun in open mode, arrow show water (flow) direction；
Fig. 5 is one of dimensional structure diagram of point water body；
Fig. 6 is the two of the dimensional structure diagram of point water body.
Dimensional structure diagrams of the Fig. 7 for leather cup；
Specific embodiment
Fig. 1 to 7 is refer to, it depicts the structural representation of spray gun, including standing part 10, blocking unit 20, other water route
30th, valve seat 40 and operating parts 50.
The standing part 10 is provided with main water route 11.In concrete structure, the standing part 10 includes 12, one point of water body of a body
13rd, a separating stand 14, a fixed seat 15 and a cover 16.The outer peripheral edge of the cover 16 extends along 16 direction of vertical cover and is set to the
One perisporium, the first perisporium sealing are fixed in the end port of body 12, for example, be threadedly coupled.This point of water body 13 is supported by cover
On 16 and within the first perisporium, the fixed seat 15 is located within the first perisporium and top is supported by body 12, this point of water body
The second perisporium 136 is installed with 13, and the outer peripheral edge of the fixed seat 15 extends downwardly into the second perisporium, first perisporium and second
Perisporium is affixed, is such as threadedly coupled, and point water body, fixed seat, cover and a body is fixed together with this.14 bottom of separating stand is solid
On point water body 13,14 top seal of the separating stand support is located in fixed seat 15 for support.It is provided with the body 12 into water route 111,
Water flowing road 112 is formed between the fixed seat and the first perisporium, 112 one end of water flowing road is connected into water route 111；This point of water body 13 includes
One centre mount 132, a upper ring body 133, a lower ring body 134 and a ring wall 135, the upper ring body 133 and lower ring body 134 between the upper and lower every
And be fixed in outside ring wall 135, the centre mount 132 is located in ring wall 135, passes through the first spoke between the ring wall 135 and centre mount 132
Affixed, the upper ring body 133 and the interval of lower ring body 134 constitute interval cavity 113, and it is another that the interval cavity 113 connects water flowing road 112
End；The upper ring body 133 sets the water route excessively that runs through up and down, and second perisporium is installed on upper ring body 133, the second perisporium surround ring shape
Bulge loop 131, affixed by the second spoke between the second perisporium and annular convex ring 131, water route was constituted between adjacent second spoke, the ring
The upper surface of wall 135 extends upward to the annular convex ring 131 for protruding upper ring body 133；The separating stand support admittedly centre mount 132 it
On.
The blocking unit 20, is installed in standing part 10, by 20 activity of blocking unit or main 11 break-make of water route of Deformation control.
Among the present embodiment, the blocking unit 20 is leather cup, by main 11 break-make of water route of leather cup Deformation control.The blocking unit 20 is located at a point water
Between seat 14 and point water body 13, in concrete structure, the leather cup periphery is installed in point between water body and fixed seat, and the center of the leather cup presss from both sides admittedly
Dividing between water body and separating stand, such as between the centre mount and separating stand of point water body, water route based on formation between the leather cup and blocking unit 20
11 part, between 131 end face of the leather cup 20 and annular convex ring away from or be engaged to realize the control of main water route 11 break-make, should
Main water route 11 also includes in addition to above-mentioned part is included into water route 111, water flowing road 112, interval cavity 113 and crosses water route.
The side water route 30 includes a pressure release passage that can be passed to outside standing part 10 for running through blocking unit 20 through road 31,
32 and one lead to the variation in water pressure chamber 33 being located at through between road 31 and pressure release passage 32.
The first elastomer 21 for resetting, the socket point of the first elastomer 21 is provided between the blocking unit 20 and standing part 10
At fixed seat and blocking unit, which acts on the elastic force of blocking unit 20 to water seat contact and 33 hydraulic pressure of variation in water pressure chamber acts on blocking
The hydraulic pressure active force in portion 20 is all down in the same direction.33 hydraulic pressure of variation in water pressure chamber acts on that blocking unit 20 is directed downward and area is
S1,11 hydraulic pressure of main water route acts on 20 direction of blocking unit upward and the area in main 11 break-make of water route is respectively S2 and S3,
The S2 is more than S3, and the S1 is more than S2, the difference in areas such as the inner area for annular convex ring of S1, the S2.Pressure release passage 32 is in disconnection
When blocking unit 20 suffered by 33 hydraulic pressure active force of variation in water pressure chamber and 21 elastic force of the first elastomer make a concerted effort be more than 11 water of main water route
Pressure acts on the hydraulic pressure active force of 20 area S2 of blocking unit.
The valve seat 40 is slidably connected in separating stand 14 and top passes fixed seat 15, body 12.50 one end of operating parts
The body of standing part 10 is articulated in, in the middle part of the operating parts 50, contact seat 51 is provided with, the top of the 51 contact valve seat 40 of contact seat,
50 the other end of operating parts constitutes the operating portion for user operation.In concrete structure, at the top of the valve seat 40, bulb 42 is set, this
Body 12 is connected with single-revolution seat 17 by screw 171, and 50 one end of operating parts is articulated in revolving bed 17.The valve seat 40 is slidably connected
Standing part 10, is provided with the second elastomer 41 for resetting between the valve seat 40 and standing part 10.
The pressure release passage 32 have first water route 323, for being located at separating stand be located at the break-make road outside valve seat 40, one by
The middle water route 321 of the recessed formation in 40 bottom surface of valve seat and a through hole 322 inside and outside water route 321 in valve seat 40, the break-make road one
Variation in water pressure chamber 33 is connected by the first water route 323 in end, and the through hole 322 connects the break-make road other end and middle water route 321, water in this
Road 321 is according to the water outlet for passing to standing part 10 by being opened in separating stand center, the center of point water body centre mount, cover center
Face, 40 peripheral hardware of valve seat one coordinate the sealing ring 43 in the middle part of break-make road, control break-make by 40 activity of valve seat using sealing ring 43
Road break-make, if opening in break-make road, the water in variation in water pressure chamber 33 flows through the first water route 323, break-make road, through hole 322, middle water route 321
Flow out standing part 10 goes out the water surface, and in variation in water pressure chamber 33, hydraulic pressure is let out to 0 or is close to 0；As break-make road is closed, then current cannot
Standing part 10 is flowed out to through hole 322, middle water route 321 go out the water surface.
Contact valve seat 40 is rotated by operating parts 50 to drive 40 slide downward of valve seat, the sealing ring 43 of valve seat 40 together to
Lower slider, break-make road are opened, and pressure release passage 32 is opened, and the current in variation in water pressure chamber 33 release the water surface that of standing part, hydraulic pressure
Change 33 hydraulic pressure of chamber is decreased to 0, and the hydraulic pressure in main water route acts on the active force of the area S3 of blocking unit more than the first elastomer
For deforming with promotion blocking unit 20 upward, elastic force, the suffered break-in of making a concerted effort of blocking unit 20 realize that main water route 11 is opened.User unclamps behaviour
Workpiece, acts on lower valve base 40 in the second elastomer and resets, and pressure release passage 32 is in the variation in water pressure suffered by blocking unit 20 when disconnecting
The making a concerted effort of 33 hydraulic pressure active force of chamber and 21 elastic force of the first elastomer act on 20 area S2's of blocking unit more than 11 hydraulic pressure of main water route
For resetting with promotion blocking unit 20 down, hydraulic pressure active force, the suffered break-in of making a concerted effort of blocking unit 20 realize that main water route 11 is closed.
Above-mentioned other water route flow is may be configured as much smaller than main water route flow.
Cover 16 is connected in the main water route 11, so that the water of spray gun passes to 16 outside injection of cover through main water route 11.According to need
Will, on body, also set stopper 18 and o-ring etc..
A specific embodiment of the present invention is above are only, but the design concept of the present invention is not limited thereto, all utilizations
This design carries out the change of unsubstantiality to the present invention, all should belong to the behavior for invading the scope of the present invention.
Claims (12)
1. spray gun, including：
Standing part (10), is provided with main water route (11)；
Blocking unit (20), is installed in standing part (10), logical by blocking unit (20) activity or the main water route of Deformation control (11)
Disconnected；
It is characterized in that：Also include：
Other water route (30), can pass to standing part (10) pressure release outward through blocking unit (20) through road (31), one including one
Receive water in passage (32) and a logical variation in water pressure chamber (33) being located at through between road (31) and pressure release passage (32), the blocking unit (20)
Buckling chamber (33) hydraulic pressure active force and acceptor water route (11) hydraulic pressure active force are contrary；
Valve seat (40) and operating parts (50), the valve seat (40), operating parts (50) all activities are installed in standing part (10), the operation
Part (50) is connected valve seat (40) to drive valve seat (40) movable by operating parts (50) activity, and the valve seat (40) coordinates pressure release
Passage (32) controls hydraulic pressure by pressure release passage (32) break-make and becomes to control pressure release passage (32) break-make by valve seat (40) activity
Change chamber (33) variation in water pressure, the suffered break-in with joint efforts of blocking unit (20) is controlled using variation in water pressure chamber (33) variation in water pressure to promote resistance
Disconnected portion (20) activity or control blocking unit (20) deformation, realize main water route (11) break-make.
2. spray gun according to claim 1, it is characterised in that：Variation in water pressure chamber (33) hydraulic pressure acts on blocking unit (20)
Area be S1, main water route (11) hydraulic pressure act on area of the blocking unit (20) in main water route (11) break-make be respectively S2 and
S3, the S1 are more than S3.
3. spray gun according to claim 2, it is characterised in that：The S2 is more than S3, and the S1 is more than S2.
4. spray gun according to claim 2, it is characterised in that：Be provided between the blocking unit (20) and standing part (10) for
The first elastomer (21) for resetting, first elastomer (21) act on the elastic force and variation in water pressure chamber (33) water of blocking unit (20)
Pressure acts on the hydraulic pressure active force of blocking unit (20) in the same direction, and the S2 is more than S3；Wherein：Pressure release passage (32) is in blocking when disconnecting
Variation in water pressure chamber (33) hydraulic pressure active force and the first elastomer (21) elastic force suffered by portion (20) make a concerted effort be more than main water route (11)
Hydraulic pressure acts on the hydraulic pressure active force of blocking unit (20) area S2.
5. the spray gun according to claim 1 or 2 or 3 or 4, it is characterised in that：The blocking unit (20) sliding installation is being fixed
Partly in (10), by blocking unit (20) Sliding Control main water route (11) break-make.
6. the spray gun according to claim 1 or 2 or 3 or 4, it is characterised in that：The blocking unit (20) is leather cup, by blocking
Portion (20) Deformation control main water route (11) break-make.
7. the spray gun according to claim 1 or 2 or 3 or 4, it is characterised in that：The valve seat (40) is slidably connected standing part
(10), the second elastomer (41) for resetting is provided between the valve seat (40) and standing part (10).
8. the spray gun according to claim 1 or 2 or 3 or 4, it is characterised in that：The operating parts (50) one end is articulated in fixation
Partly (10), contact seat (51) is provided with the middle part of the operating parts (50), contact seat (51) the contact valve seat (40), the operating parts (50)
The other end constitutes the operating portion for user operation.
9. the spray gun according to claim 1 or 2 or 3 or 4, it is characterised in that：The pressure release passage (32) has one to be located at valve
Seat (40) outer break-make road, one run through water route in valve seat (40) by the recessed middle water route (321) for being formed in valve seat (40) bottom surface and one
(321) through hole (322) inside and outside, the break-make road one end connect variation in water pressure chamber (33), and it is another that the through hole (322) connects break-make road
End and middle water route (321), what in this, water route (321) can pass to standing part (10) go out the water surface, and the valve seat (40) peripheral hardware one coordinates
Sealing ring (43) in the middle part of break-make road, controls break-make road break-make by valve seat (40) activity using sealing ring (43).
10. the spray gun according to claim 1 or 2 or 3 or 4, it is characterised in that：The standing part (10) includes a body
(12) the affixed point water body (13) of and one opposing body (12), this point of water body (13) have the annular convex ring (131) for protruding, the resistance
Disconnected portion (20) and annular convex ring (131) end face coordinate control main water route (11) break-make, between this point of water body (13) and blocking unit (20)
The part of water route (11) based on formation.
11. spray guns according to claim 10, it is characterised in that：The standing part (10) also include a separating stand (14) and
One fixed seat (15), the separating stand (14) bottom are supportted on point water body (13) admittedly, and the separating stand (14) top is fixed in fixation
Seat (15), the fixed seat (15) and point water body (13) affixed, the blocking unit (20) is located at separating stand (14) and divides between water body (13),
The valve seat (40) is slidably connected in separating stand (14) and top passes fixed seat (15).
12. spray guns according to claim 1 or 2 or 3 or 4, it is characterised in that：The standing part (10) includes a cover
(16), cover (16) is connected in main water route (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510101956.5A CN104646208B (en) | 2015-03-09 | 2015-03-09 | Spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510101956.5A CN104646208B (en) | 2015-03-09 | 2015-03-09 | Spray gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104646208A CN104646208A (en) | 2015-05-27 |
| CN104646208B true CN104646208B (en) | 2017-03-15 |
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ID=53238139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510101956.5A Active CN104646208B (en) | 2015-03-09 | 2015-03-09 | Spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104646208B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016202211A1 (en) * | 2015-06-15 | 2016-12-22 | 厦门松霖科技有限公司 | Labor-saving spray gun |
| CN110216027B (en) * | 2019-07-10 | 2024-05-28 | 厦门大白科技有限公司 | Water outlet device with water filtering function and spray gun |
| CN112206940B (en) * | 2020-10-09 | 2022-05-17 | 王小安 | High-pressure water gun with compensation structure |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2424321A1 (en) * | 1974-05-18 | 1975-11-20 | Woma Maasberg Co Gmbh W | SHUT-OFF VALVE FOR HIGH AND HIGHEST PRESSURES, IN PARTICULAR FOR HIGH PRESSURE GUNS |
| JPS5411531B2 (en) * | 1975-01-25 | 1979-05-16 | ||
| CN1006162B (en) * | 1986-10-06 | 1989-12-20 | 国营机械和化学清洗锅炉联合工厂 | Hydraulic impulse generator |
| JPH0866644A (en) * | 1994-08-29 | 1996-03-12 | Maruyama Mfg Co Ltd | High-pressure liquid ejection gun and high-pressure liquid ejector |
| CN201098654Y (en) * | 2007-08-09 | 2008-08-13 | 周华松 | Water faucet hose water-piloting inserting type switching structure |
| CN201334376Y (en) * | 2008-12-03 | 2009-10-28 | 曜新科技实业有限公司 | Ultraviolet ray water filter control device and water pressure switch block |
| CN202479075U (en) * | 2012-01-06 | 2012-10-10 | 川圆科技股份有限公司 | Pressure spray gun |
| CN204544535U (en) * | 2015-03-09 | 2015-08-12 | 厦门松霖科技有限公司 | Spray gun |
-
2015
- 2015-03-09 CN CN201510101956.5A patent/CN104646208B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104646208A (en) | 2015-05-27 |
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Address after: 361002, Fujian, Xiamen, China (Fujian) free trade test area, Xiamen area (bonded port), Seaview East Road, No. 4, building 18, A06 Co-patentee after: Zhou Huasong Patentee after: Xiamen pine Polytron Technologies Inc Address before: 361002 Fujian city of Xiamen province sunshine West Haicang Xinyang Industrial Zone, No. 298 Co-patentee before: Zhou Huasong Patentee before: Xiamen Solex Technology Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171204 Address after: 361000, Fujian, Xiamen, China (Fujian) free trade test area, Xiamen area (bonded port), Seaview East Road, No. 4, building 18, A06 Patentee after: Xiamen pine Polytron Technologies Inc Address before: 361002, Fujian, Xiamen, China (Fujian) free trade test area, Xiamen area (bonded port), Seaview East Road, No. 4, building 18, A06 Co-patentee before: Zhou Huasong Patentee before: Xiamen pine Polytron Technologies Inc |