CN112983349A - Multi-flow through hole type safety cut-off flat valve - Google Patents
Multi-flow through hole type safety cut-off flat valve Download PDFInfo
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- CN112983349A CN112983349A CN202110226225.9A CN202110226225A CN112983349A CN 112983349 A CN112983349 A CN 112983349A CN 202110226225 A CN202110226225 A CN 202110226225A CN 112983349 A CN112983349 A CN 112983349A
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- flat valve
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
Abstract
The invention relates to a flat valve, in particular to a multi-flow through hole type safety cut-off flat valve. The upper end rigid coupling collar of casing I, the connection buckle closure is rotated in the collar stay, the lower extreme rigid coupling cock stem of buckle closure, the cock stem rotates to be connected in casing I, the center of center post rigid coupling at the buckle closure lower extreme, well through-hole is by preceding middle part to the back setting at the center post, the even integrative connection of center post circumference has four to dial the board, two upper ends of dialling the board that are located the place ahead respectively are equipped with a well groove, two of being located the place ahead are dialled the board and respectively are equipped with a by pass hole by preceding to back, by pass hole and adjacent well groove intercommunication, well inslot sliding connection has plate body I, the upside of plate body I is equipped with intercommunication mouth I, intercommunication mouth I can communicate or stagger with the by pass hole correspondingly, the upper end rigid coupling connecting block of plate body I, I rotates to be connected in the connecting block, screw rod I passes. The effect of single-in single-row, single-in double-row or single-in three-row of the upper-layer passage can be realized according to the adjustment.
Description
Technical Field
The invention relates to a flat valve, in particular to a multi-flow through hole type safety cut-off flat valve.
Background
For example, the publication number is CN211779083U, a wear-resistant and corrosion-resistant oil extraction flat valve comprises a flat valve body and a control assembly arranged inside the flat valve body, wherein two ends of the flat valve body are respectively communicated with an oil inlet pipe and an oil outlet pipe through flange connecting holes and bolts; the control assembly is installed inside the flat valve body in a longitudinally sliding mode, a through hole is formed in the control assembly, the bottom of the control assembly is fixedly connected with the lower end cover, and the top of the control assembly penetrates through the upper end cover to extend to the outside of the flat valve body and is provided with a rotary disc. The utility model adopts the sealing element and the coating, which is leak-proof, corrosion-proof and wear-resistant, and prolongs the service life of the device; the communication and the partition of the interior of the flat valve main body are controlled by adopting a control valve rod, a control baffle and a control spring which are provided with through holes; the sliding block and the L-shaped sliding groove are matched, so that the control valve rod can be clamped at any position within the range of 0-90 degrees of clockwise rotation, the flow inside the flat valve body is adjusted, and the flat valve cannot realize a multi-circulation function.
Disclosure of Invention
The invention aims to provide a multi-circulation-hole type safety cut-off flat valve which can realize a multi-circulation function.
The purpose of the invention is realized by the following technical scheme:
a multi-flow through hole type safety cut-off flat valve comprises a shell I, a mounting ring, a buckle cover, a plug, a central column, a middle through hole, shifting plates, a middle groove, a bypass hole, a plate body I, a communication port I, a connecting block, a screw I and a shell II, wherein the mounting ring is fixedly connected to the upper end of the shell I, the buckle cover is rotatably connected to the inside of the mounting ring, the plug is fixedly connected to the lower end of the buckle cover, the plug is rotatably connected to the inside of the shell I, the central column is fixedly connected to the center of the lower end of the buckle cover, the middle through hole is arranged in the middle of the central column from front to back, four shifting plates are uniformly and integrally connected to the periphery of the central column, the upper ends of two shifting plates in front are respectively provided with a middle groove, the two shifting plates in front are respectively provided with a bypass hole from front to back, the bypass hole is communicated with the adjacent middle grooves, the plate body I, the upper end rigid coupling connecting block of plate body I, screw rod I rotate to be connected in the connecting block, screw rod I passes the cock stem and buckle closure threaded connection, II rigid couplings of casing are at the lower extreme of casing I.
The multi-flow through hole type safety cut-off flat valve further comprises a plug groove, and the middle of the outer ring of the plug column is provided with the plug groove.
The multi-flow through hole type safety cut-off flat valve further comprises a connecting pipe I, wherein the shell I is uniformly and fixedly connected in the circumferential direction and communicated with the four connecting pipes I.
The multi-flow through hole type safety cut-off flat valve further comprises a flange I, and the outer end of the connecting pipe I is fixedly connected with the flange I.
The multi-flow through hole type safety cut-off flat valve further comprises plate seats, a rack and a motor, wherein the left end and the right end of the upper side of the shell I are fixedly connected with one plate seat respectively, the rack is fixedly connected onto the two plate seats, the motor is fixedly connected onto the rack, an output shaft of the motor is rotatably connected onto the rack, the output shaft of the motor rotatably penetrates through the rack from top to bottom, and the output shaft of the motor is fixedly connected with the buckle cover.
This multithread through-hole formula safety cuts wafer valve still includes conduction mouth, electric putter and sealing plug, II casings from left to right are equipped with the conduction mouth, and the electric putter rigid coupling is at the lower extreme of casing II, and electric putter's expansion end sliding connection is in the lower part of casing II, and the sealing plug rigid coupling is in electric putter's expansion end, and the outer lane of sealing plug and the inner wall laminating of casing II slide, and the sealing plug can be located the upper and lower both sides of conduction mouth.
The multi-flow through hole type safety cut-off flat valve further comprises an adjusting pipeline, wherein the adjusting pipeline comprises a connecting pipe II and an external pipeline, the external pipeline comprises a plate shell, a connecting pipe II, a flange II, a sealing cover, a plate body II, a communication port II and a screw rod II, the outer end of the plate shell is fixedly connected and communicated with the connecting pipe II, the outer end of the connecting pipe II is fixedly connected and connected with the flange II, the sealing cover is fixedly connected at the opening end of the plate shell, the plate body II is slidably connected in the plate shell, the communication port II is arranged on the plate body II, the communication port II can be communicated with the connecting pipe II, one end of the screw rod II is rotatably connected to the plate body; the left end and the right end of the shell II are fixedly connected and communicated with a connecting pipe II, the outer ends of the two connecting pipes II are fixedly connected and communicated with an external pipeline, and the connecting pipes II are fixedly connected and communicated with the inner end of the plate shell.
The multi-flow through hole type safety cut-off flat valve further comprises a connecting pipe III, the middle part of the rear end of the connecting pipe II is fixedly connected and communicated with the connecting pipe III, the rear end of the connecting pipe III is fixedly connected and communicated with an external pipeline, and the rear end of the connecting pipe III is fixedly connected and communicated with the plate shell.
The multi-flow through hole type safety cut-off flat valve further comprises a handle and a twisting head, wherein the handle is fixedly connected to the upper end of the screw I, and the twisting head is fixedly connected to the outer end of the screw II.
The multi-flow through hole type safety cut-off flat valve has the advantages that:
the effect of single-in single-row, single-in double-row or single-in three-row of the upper-layer passage can be realized according to the adjustment. Mixing the liquids of the shell I and the shell II by using a shifting plate, and if a small amount of cleaning liquid is added into the shell I and the shell II, self-cleaning is realized; when the sealing plug is higher than the conduction ports, the upper passage is isolated, so that the two conduction ports are independently communicated, the conduction port on one side is used for feeding liquid, and the conduction port on the other side is used for discharging liquid, and further, the upper layer and the lower layer of the passage structure are adjusted into a single-inlet multi-row way, the lower layer is a single-inlet single-row way, or the upper layer and the lower layer are both adjusted into a single-inlet single-row way, so that the control of the flow of the complex pipeline; when making the sealing plug be less than the conduction mouth, two conduction mouths all are used for the feed liquor, and then make and dial the board and rotate, mix two kinds of liquids and discharge through four connecting pipes I of top, realize mixing four rows of liquid.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of a multiple orifice safety cut-off plate valve according to the present invention;
FIG. 2 is a partial schematic view of the first embodiment of the present invention;
FIG. 3 is a second partial schematic structural view of the present invention;
FIG. 4 is a third schematic view of a portion of the present invention;
FIG. 5 is a fourth schematic view of a portion of the present invention;
FIG. 6 is a schematic diagram of a portion of the present invention;
FIG. 7 is a schematic diagram six of a portion of the present invention;
FIG. 8 is a seventh schematic view of a portion of the present invention;
fig. 9 is a partial structural schematic view eight of the present invention.
In the figure: a shell I1; a mounting ring 101; a plate seat 102; a connecting pipe I103; a flange I104; a frame 2; a motor 201; a buckle cover 202; a plug 203; a plug groove 204; a central column 3; a middle through hole 301; a dial plate 302; a middle groove 303; a bypass orifice 304; a plate body I305; a communication port I306; a connection block 307; a screw I308; a handle 309; a shell II 4; a conduction opening 401; an electric putter 402; a sealing plug 403; a connecting pipe II 5; a connecting pipe III 501; a plate housing 502; a connecting pipe II 503; a flange II 504; a cover 505; a plate body II 506; a communication port II 507; a screw II 508; a screw head 509.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in the figure, the multi-flow through hole type safety cut-off flat valve comprises a shell I1, a mounting ring 101, a buckle cover 202, a plug 203, a central column 3, a middle through hole 301, shifting plates 302, a middle groove 303, a bypass hole 304, a plate body I305, a communication port I306, a connecting block 307, a screw I308 and a shell II 4, wherein the mounting ring 101 is fixedly connected to the upper end of the shell I1, the buckle cover 202 is rotatably connected to the mounting ring 101, the plug 203 is fixedly connected to the lower end of the buckle cover 202, the plug 203 is rotatably connected to the shell I1, the central column 3 is fixedly connected to the center of the lower end of the buckle cover 202, the middle through holes 301 are arranged in the middle of the central column 3 from front to back, the central column 3 is uniformly and integrally connected with four shifting plates 302 in the circumferential direction, the upper ends of two shifting plates 302 in front are respectively provided with the middle groove 303, the two shifting plates 302 in front are respectively, bypass hole 304 and adjacent well groove 303 intercommunication, sliding connection has plate body I305 in well groove 303, the upside of plate body I305 is equipped with intercommunication mouth I306, intercommunication mouth I306 with correspond ground bypass hole 304 can communicate or stagger, the upper end rigid coupling connecting block 307 of plate body I305, screw rod I308 rotates to be connected in connecting block 307, screw rod I308 passes cock stem 203 and buckle closure 202 threaded connection, casing II 4 rigid coupling is at the lower extreme of casing I1. Referring to fig. 9, the communication position of the middle through hole 301 and any one of the connection pipes i 103 is a water inlet position, in fig. 9, the connection pipe i 103 located at the rear side is a water inlet position, and in a conduction state, after water enters the connection pipe i 103 located at the rear side, water can be drained through the other three connection pipes i 103, for example, water can be directly drained through the middle through hole 301 through the connection pipe i 103 located at the front side, or through the bypass hole 304 and the communication port i 306 which are conducted to drain water to the connection pipes i 103 located at the left and right sides, so that single-in multiple rows are realized. The screw I308 can be rotated to adjust the plate body I305 to descend according to requirements, so that the communication port I306 descends and is staggered with the corresponding bypass hole 304, the flow is controlled or the passage is closed, and the effects of single-inlet single-row, single-inlet double-row or single-inlet three-row are further achieved.
The second embodiment is as follows:
as shown in the figure, the multi-through hole type safety cut-off flat valve further comprises a plug groove 204, and the plug groove 204 is arranged in the middle of the outer ring of the plug 203. The sealing effect after deformation is increased.
The third concrete implementation mode:
as shown in the figure, the multi-flow-through-hole type safety cut-off flat valve further comprises connecting pipes I103, and the shell I1 is uniformly and fixedly connected in the circumferential direction and communicated with the four connecting pipes I103.
The fourth concrete implementation mode:
as shown in the figure, the multi-through hole type safety cut-off flat valve further comprises a flange I104, and the flange I104 is fixedly connected to the outer end of the connecting pipe I103.
The fifth concrete implementation mode:
as shown in the figure, the multi-flow through-hole type safety cut-off flat valve further comprises a plate seat 102, a frame 2 and a motor 201, wherein the left end and the right end of the upper side of the shell I1 are fixedly connected with one plate seat 102 respectively, the frame 2 is fixedly connected to the two plate seats 102, the motor 201 is fixedly connected to the frame 2, an output shaft of the motor 201 is rotatably connected to the frame 2, the output shaft of the motor 201 rotatably penetrates through the frame 2 from top to bottom, and the output shaft of the motor 201 is fixedly connected with the buckle cover 202. The starting motor 201 is used for driving the buckle cover 202 to rotate, and as a result, the central column 3 rotates to drive the shifting plate 302 to rotate, and then the shifting plate 302 is used for mixing the liquids of the shell I1 and the shell II 4, for example, a small amount of cleaning liquid is added into the shell to realize self-cleaning.
The sixth specific implementation mode:
as shown in the figure, the multi-flow through-hole type safety cut-off flat valve further comprises a conduction port 401, an electric push rod 402 and a sealing plug 403, the shell ii 4 is provided with the conduction port 401 from left to right, the electric push rod 402 is fixedly connected to the lower end of the shell ii 4, the movable end of the electric push rod 402 is slidably connected to the lower portion of the shell ii 4, the sealing plug 403 is fixedly connected to the movable end of the electric push rod 402, the outer ring of the sealing plug 403 is attached to and slides on the inner wall of the shell ii 4, and the sealing plug 403 can be located on the upper side. Two conduction openings 401 are used for connecting the water pipe respectively, start electric putter 402 and drive sealing plug 403 and rise, and when sealing plug 403 was higher than conduction opening 401, isolated top route for two conduction openings 401 communicate alone, and the conduction opening 401 on one side is used for the feed liquor, and the conduction opening 401 of another side is used for the flowing back, and then the access structure of upper and lower layer, and the top is adjusted into singly and advances the multirow, and the below is singly advanced single row, or the upper and lower layer is all adjusted and is singly advanced single row. When making sealing plug 403 be less than conduction port 401, two conduction ports 401 all are used for the feed liquor, and then make and dial board 302 and rotate, mix two kinds of liquid and discharge through four connecting pipes I103 of top, realize two advance four rows.
The seventh embodiment:
as shown in the figure, the multi-flow-through-hole type safety cut-off flat valve further comprises an adjusting pipeline, wherein the adjusting pipeline comprises a connecting pipe II 5 and an external pipeline, the external pipeline comprises a plate shell 502, a connecting pipe II 503, a flange II 504, a sealing cover 505, a plate body II 506, a communication port II 507 and a screw rod II 508, the outer end of the plate shell 502 is fixedly connected and communicated with the connecting pipe II 503, the outer end of the connecting pipe II 503 is fixedly connected and communicated with the flange II 504, the sealing cover 505 is fixedly connected at the opening end of the plate shell 502, the plate body II 506 is slidably connected in the plate shell 502, the plate body II 506 is provided with the communication port II 507, the communication port II 507 can be communicated with the connecting pipe 503 II, one end of the screw rod II 508 is rotatably connected to the; the left end and the right end of the shell II 4 are fixedly connected and communicated with a connecting pipe II 5 respectively, the outer ends of the two connecting pipes II 5 are fixedly connected and communicated with an external pipeline respectively, and the connecting pipe II 5 is fixedly connected and communicated with the inner end of the plate shell 502. The position of the plate body II 506 is changed by rotating the screw II 508, and further the position of the communication port II 507 is changed, so that the flow rate is changed or the passage is closed. When the sealing plug 403 is made lower than the conduction port 401, single-feed/double-feed four rows are realized. The inlet liquid enters through the connecting pipes II 5 positioned on the left side and the right side, and the two plate bodies II 506 respectively control the flow in the two connecting pipes II 5.
The specific implementation mode is eight:
as shown in the figure, the multi-flow-through-hole type safety cut-off flat valve further comprises a connecting pipe III 501, the middle part of the rear end of the connecting pipe II 5 is fixedly connected and communicated with the connecting pipe III 501, the rear end of the connecting pipe III 501 is fixedly connected and communicated with an external pipeline, and the rear end of the connecting pipe III 501 is fixedly connected and communicated with the plate shell 502. Adjust the position of four plate bodies II 506 for the corresponding route all gets through, when making sealing plug 403 be less than conduction mouth 401, can realize four rows of advancing, when four advancing, the automatic premixing of the entering liquid of two connecting pipes II 503 on the left side, with the entering liquid that gets into automatic premixing through two connecting pipes II 503 on the right side realize the hedging and mix, carries out final mixture through the rotation of dialling board 302 along with the liquid level height rising, realizes the effect of high flow high efficiency homogeneous mixing. When the sealing plug 403 is higher than the conduction port 401, the position of the plate body II 506 is adjusted to realize the effect of one-side double-inlet premixing single-outlet or double-inlet premixing double-outlet, and three-inlet four-row can be realized according to the requirement.
The specific implementation method nine:
as shown in the figure, the multi-through hole type safety cut-off flat valve further comprises a handle 309 and a screw head 509, wherein the handle 309 is fixedly connected to the upper end of the screw I308, and the screw head 509 is fixedly connected to the outer end of the screw II 508.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (9)
1. The utility model provides a flat valve is cut to multithread through-hole formula safety, includes casing I (1), collar (101), buckle closure (202), stopper post (203), center post (3), well through-hole (301), dials board (302), well groove (303), by-pass hole (304), plate body I (305), intercommunication mouth I (306), connecting block (307), screw rod I (308) and casing II (4), its characterized in that: the upper end of the shell I (1) is fixedly connected with a mounting ring (101), the mounting ring (101) is rotatably connected with a buckle cover (202), the lower end of the buckle cover (202) is fixedly connected with a plug column (203), the plug column (203) is rotatably connected in the shell I (1), a central column (3) is fixedly connected with the center of the lower end of the buckle cover (202), a middle through hole (301) is formed in the middle of the central column (3) from front to back, four shifting plates (302) are uniformly and integrally connected with the central column (3) in the circumferential direction, the upper ends of two shifting plates (302) positioned in front are respectively provided with a middle groove (303), two shifting plates (302) positioned in front are respectively provided with a bypass hole (304) from front to back, the bypass holes (304) are communicated with adjacent middle grooves (303), a plate body I (305) is slidably connected with the middle groove (303), the upper side of the plate body I (305) is provided with a communication port I (306), and the communication port I (, the upper end rigid coupling connecting block (307) of plate body I (305), screw rod I (308) rotate to be connected in connecting block (307), screw rod I (308) pass cock pillar (203) and buckle closure (202) threaded connection, casing II (4) rigid coupling is at the lower extreme of casing I (1).
2. The multiple orifice safety shut-off plate valve of claim 1, wherein: the multi-flow through hole type safety cut-off flat valve further comprises a plug groove (204), and the middle of the outer ring of the plug column (203) is provided with the plug groove (204).
3. The multiple orifice safety shut-off plate valve of claim 2, wherein: the multi-flow through hole type safety cut-off flat valve further comprises a connecting pipe I (103), and the shell I (1) is uniformly and fixedly connected in the circumferential direction and is communicated with the four connecting pipes I (103).
4. The multiple orifice safety shut-off plate valve of claim 3 wherein: the multi-flow through hole type safety cut-off flat valve further comprises a flange I (104), and the outer end of the connecting pipe I (103) is fixedly connected with the flange I (104).
5. The multiple orifice safety shut-off plate valve of claim 4, wherein: the multi-flow through hole type safety cut-off flat valve further comprises a plate seat (102), a rack (2) and a motor (201), the left end and the right end of the upper side of the shell I (1) are fixedly connected with the plate seat (102), the rack (2) is fixedly connected onto the two plate seats (102), the motor (201) is fixedly connected onto the rack (2), an output shaft of the motor (201) is rotatably connected onto the rack (2), an output shaft of the motor (201) rotates to penetrate through the rack (2) from top to bottom, and the output shaft of the motor (201) is fixedly connected with a buckle cover (202).
6. The multiple orifice safety shut-off plate valve of claim 5, wherein: this flat valve is cuted to multithread through-hole formula safety still includes conduction mouth (401), electric putter (402) and sealing plug (403), casing II (4) are equipped with conduction mouth (401) from left to right, and electric putter (402) rigid coupling is at the lower extreme of casing II (4), and the expansion end sliding connection of electric putter (402) is in the lower part of casing II (4), and sealing plug (403) rigid coupling is at the expansion end of electric putter (402), and the outer lane of sealing plug (403) slides with the inner wall laminating of casing II (4), and sealing plug (403) can be located the upper and lower both sides of conduction mouth (401).
7. The multiple orifice safety shut-off plate valve of claim 6, wherein: the multi-flow through hole type safety cut-off flat valve also comprises an adjusting pipeline, the adjusting pipeline comprises a connecting pipe II (5) and an external pipeline, the external pipeline comprises a plate shell (502), a connecting pipe II (503), a flange II (504), a sealing cover (505), a plate body II (506), a communication port II (507) and a screw rod II (508), the outer end of the plate shell (502) is fixedly connected and communicated with a connecting pipe II (503), the outer end of the connecting pipe II (503) is fixedly connected with a flange II (504), a sealing cover (505) is fixedly connected at the opening end of the plate shell (502), the plate body II (506) is connected in the plate shell (502) in a sliding mode, a communication port II (507) is formed in the plate body II (506), the communication port II (507) can be communicated with the connecting pipe II (503), one end of a screw rod II (508) is rotatably connected to the plate body II (506), and the other end of the screw rod II (508) is in threaded connection with the sealing cover (505); the left end and the right end of the shell II (4) are fixedly connected and communicated with a connecting pipe II (5), the outer ends of the two connecting pipes II (5) are fixedly connected and communicated with an external pipeline, and the connecting pipe II (5) is fixedly connected and communicated with the inner end of the plate shell (502).
8. The multiple orifice safety shut-off plate valve of claim 7 wherein: the multi-flow through hole type safety cut-off flat valve further comprises a connecting pipe III (501), the middle of the rear end of the connecting pipe II (5) is fixedly connected and communicated with the connecting pipe III (501), the rear end of the connecting pipe III (501) is fixedly connected and communicated with an external pipeline, and the rear end of the connecting pipe III (501) is fixedly connected and communicated with the plate shell (502).
9. The multiple orifice safety shut-off plate valve of claim 8, wherein: the multi-flow through hole type safety cut-off flat valve further comprises a handle (309) and a screw head (509), wherein the handle (309) is fixedly connected to the upper end of the screw I (308), and the screw head (509) is fixedly connected to the outer end of the screw II (508).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110226225.9A CN112983349B (en) | 2021-03-01 | 2021-03-01 | Multi-flow through hole type safety cut-off flat valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110226225.9A CN112983349B (en) | 2021-03-01 | 2021-03-01 | Multi-flow through hole type safety cut-off flat valve |
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| CN112983349A true CN112983349A (en) | 2021-06-18 |
| CN112983349B CN112983349B (en) | 2021-11-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457401A (en) * | 2021-12-23 | 2022-05-10 | 江苏和煊电子科技股份有限公司 | Production method and production equipment of low-voltage formed foil of aluminum electrolytic capacitor |
| CN116146720A (en) * | 2023-02-17 | 2023-05-23 | 江苏江沅机械有限公司 | Safety control valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114457401A (en) * | 2021-12-23 | 2022-05-10 | 江苏和煊电子科技股份有限公司 | Production method and production equipment of low-voltage formed foil of aluminum electrolytic capacitor |
| CN114457401B (en) * | 2021-12-23 | 2024-03-26 | 江苏和煊电子科技股份有限公司 | Method and equipment for producing low-voltage formation foil of aluminum electrolytic capacitor |
| CN116146720A (en) * | 2023-02-17 | 2023-05-23 | 江苏江沅机械有限公司 | Safety control valve |
| CN116146720B (en) * | 2023-02-17 | 2023-10-20 | 江苏江沅机械有限公司 | Safety control valve |
Also Published As
| Publication number | Publication date |
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| CN112983349B (en) | 2021-11-02 |
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Address after: 224500 No.22 Industrial Branch Road, Binhai Economic and Technological Development Zone, Yancheng City, Jiangsu Province Patentee after: Jiangsu Jiangyuan Machinery Co., Ltd Address before: 224500 No.22 Industrial Branch Road, Binhai Economic and Technological Development Zone, Yancheng City, Jiangsu Province Patentee before: Jiangsu Qinghai Petroleum Machinery Co., Ltd |