CN115783345B - Dry powder mortar packing plant - Google Patents
Dry powder mortar packing plant Download PDFInfo
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- CN115783345B CN115783345B CN202211589384.6A CN202211589384A CN115783345B CN 115783345 B CN115783345 B CN 115783345B CN 202211589384 A CN202211589384 A CN 202211589384A CN 115783345 B CN115783345 B CN 115783345B
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- limiting
- sleeve
- dry powder
- discharging
- pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Basic Packing Technique (AREA)
- Supply Of Fluid Materials To The Packaging Location (AREA)
Abstract
The invention relates to the field of dry powder mortar packaging machines and discloses a dry powder mortar packaging device which comprises a packaging machine body, wherein a discharging pipe is connected to the top flange of the side face of the packaging machine body, a discharging groove is formed in the bottom of one side, far away from the packaging machine body, of the discharging pipe, a middle sleeve pipe positioned at the discharging groove is arranged in the discharging pipe, and a guide groove with the same inner diameter as the discharging groove is formed in the middle sleeve pipe. The discharging groove is formed in the bottom of one side of the discharging pipe, the inner cavity of the discharging pipe is provided with the middle sleeve pipe which is located at the position of the discharging groove and rotatable, the middle sleeve pipe is provided with the guide groove which is matched with the discharging groove, when dry powder mortar is conveyed to the packaging bag, the middle sleeve pipe rotates until the guide groove is located at the position of the discharging groove, the dry powder mortar can fall into the packaging bag through the guide groove and the discharging groove, the problem that the output port is required to be temporarily closed in the neutral period of replacing the packaging bag, and small-mass small slurry blocks in the dry powder mortar are easy to gradually collect at a certain position due to vibration is avoided.
Description
Technical Field
The invention relates to the field of dry powder mortar packaging machines, in particular to a dry powder mortar packaging device.
Background
The dry powder mortar packing machine is a common mortar packing device, which is not only used for packing dry powder mortar, but also used for packing other powdery and granular materials with good fluidity, the conventional dry powder mortar packing machine is usually a valve port type dry powder mortar packing machine, when in use, an impeller is driven by a belt pulley to rotate at a high speed, so that a negative pressure is formed in an ash discharging mechanism, and under the action of the external force of a material at a feed inlet, the material is sent out through a discharge pipe to finish packing work, when the material bag is heavy to the set weight, the signal feedback of a proximity switch or a sensor is used for comparing, the electromagnetic valve is conducted to work, the discharge port is closed, filling is stopped, and then the packing bag is replaced to package the dry powder mortar again.
Because the valve of the existing dry powder mortar packaging machine is not provided with the pipe orifice of the discharging pipe, a certain amount of dry powder mortar is always stored from the valve of the discharging pipe to the pipe orifice, and in the neutral period of the replacement packaging bag, the output port is required to be temporarily closed, vibration is generated in the running process of the device, intermittent running and closing are alternated, small-mass small mortar blocks in the dry powder mortar are easily collected at a certain position gradually due to vibration, so that the pipeline output is blocked, the dry powder mortar at the pipe orifice of the discharging pipe falls outside due to vibration, pollution is caused to the external environment, and the problem of waste of the dry powder mortar is caused.
Disclosure of Invention
The invention provides a dry powder mortar packaging device which has the advantage of avoiding leakage of dry powder mortar when a packaging bag is replaced, and solves the technical problems in the background art.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a dry powder mortar packing plant, includes the packing organism, and the top flange joint of packing organism side has the discharging pipe, the discharging pipe has been seted up to the bottom that packing organism one side was kept away from to the discharging pipe, the inside of discharging pipe is equipped with the intermediate sleeve that is located discharging slot department, and has seted up the baffle box the same with discharging slot internal diameter on the intermediate sleeve, when the packing organism to the discharging pipe carries dry powder mortar, intermediate sleeve rotatory half circle makes the baffle box be located discharging slot department.
Optionally, one side fixedly connected with location change board of intermediate casing, one side fixedly connected with location change pipe that intermediate casing was kept away from to the location change board, cup joints through the bearing between the inner wall of the outside of location change pipe and discharging pipe.
Optionally, the side of location change board is equipped with the inside gasbag that is located middle sleeve pipe, the inside movable sleeve of gasbag is equipped with the push pedal of keeping away from location change board one side, the side rotation of push pedal has cup jointed the push shaft, the one end of push shaft extends to the inboard of location change pipe and fixed sleeve is equipped with spacing sleeve pipe, spacing sleeve pipe's top and bottom all are equipped with spacing axle, two spacing sleeve pipe's one end of keeping away from spacing sleeve pipe is fixed the cover respectively and is equipped with spacing ball that pushes away, two slide ways that are used for in spacing ball curve slip are seted up to the inner circle of location change pipe.
Optionally, the middle part of push pedal towards location swivel plate one side is fixedly connected with and is limited the sleeve pipe, limit the sleeve pipe and push away the one end of axle and cup joint through the bearing.
Optionally, draw-in grooves have all been seted up to limit sleeve's top and bottom, and one side of draw-in groove is the opening design, and the one end of two spacing axles cup joints with two draw-in grooves activity respectively, and fixed sleeve is equipped with the spacing swivel nut that carries out horizontal spacing to the spacing axle on the limit sleeve.
Optionally, the discharging pipe is kept away from one side of packing organism and has set firmly detachable closing cap, the rectangular channel has been seted up at the middle part of pushing away the axle inner chamber, and the middle part fixedly connected with gag lever post of closing cap side, and the one end and the rectangular channel activity of gag lever post cup joint, are equipped with the spring of movable sleeve dress outside the discharging pipe between limit swivel nut and the closing cap.
Optionally, the internal diameter value of middle sleeve is the same with the internal diameter value in discharging pipe left side, be equipped with the sealing ring between one side of middle sleeve and the inner wall of discharging pipe, and the internal diameter value of sealing ring is the same with the internal diameter value of middle sleeve.
The invention provides a dry powder mortar packaging device, which has the following beneficial effects:
1. this dry powder mortar packing plant, offer the blown down tank through one side bottom of blown down pipe, and set up the rotatable intermediate sleeve in blown down tank department at the blown down pipe inner chamber, set up the baffle box with the blown down tank looks adaptation on the intermediate sleeve, when carrying dry powder mortar to the wrapping bag, the intermediate sleeve is rotatory to the baffle box be located the blown down tank department, can supply dry powder mortar to fall into the wrapping bag through baffle box, the blown down tank, and in stopping carrying dry powder mortar to change the wrapping bag, intermediate sleeve counter-rotating carries out the shutoff to the blown down tank, compared with current dry powder mortar packagine machine, the neutral phase of having avoided changing the wrapping bag needs to temporarily close the delivery outlet, and can produce vibration in the operation process of equipment, intermittent operation, close alternately, make the little thick stick of little quality in the dry powder mortar gradually collect in a certain place because of vibration, thereby make pipeline output hindered, and dry powder mortar of blown down pipe mouth department falls outside because of vibration, external environment causes pollution, and causes the extravagant problem of dry powder mortar.
2. This dry powder mortar packing plant, when feeding to the discharging pipe through the packaging organism, dry powder mortar compresses gasbag earlier and then falls from baffle box, blown down tank to carry out buffering to dry powder mortar and unload the ability processing, avoided current dry powder mortar packagine machine when using, dry powder mortar directly in discharging the pipe arranges the wrapping bag through the discharging, kinetic energy is great when dry powder mortar is unloaded, causes the dust to fly upward easily, the dust of dry powder mortar splashes out the problem of wrapping bag, has further improved the protection external environment, has saved the effect of dry powder mortar.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cut-away view of the tapping pipe structure of FIG. 1 according to the present invention;
fig. 3 is a right side view of the positioning rotor structure of fig. 2 according to the present invention.
In the figure: 1. a packaging machine body; 2. a discharge pipe; 3. a discharge chute; 4. a cover; 5. an intermediate sleeve; 6. a guide groove; 7. positioning a rotating plate; 8. positioning a rotating pipe; 9. an air bag; 10. a push plate; 11. pushing the shaft; 12. a limit sleeve; 13. a limiting shaft; 14. limiting pushing balls; 15. a chute; 16. a limit screw sleeve; 17. a clamping groove; 18. defining a sleeve; 19. a seal ring; 20. and a limit rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Please refer to fig. 1, a dry powder mortar packing device, including packing organism 1, the top flange joint of packing organism 1 side has discharging pipe 2, one side that the packaging organism 1 was kept away from to discharging pipe 2 has set firmly detachable closing cap 4, and discharging pipe 2 has seted up blown down tank 3 keeping away from the bottom of packing organism 1 one side, the wrapping bag cover is to blown down tank 3, dry powder mortar in the packing organism 1 carries in the sand bag through discharging pipe 2, blown down tank 3, please refer to fig. 2, the inside of blown down pipe 2 is equipped with the intermediate sleeve 5 that is located blown down tank 3 department, set up on the intermediate sleeve 5 and has offered the baffle box 6 the same with blown down tank 3 internal diameter, one side fixedly connected with location change over plate 7 of intermediate sleeve 5, one side fixedly connected with location change over plate 7 that is kept away from intermediate sleeve 5, cup joint through the bearing between the outside of location change over plate 8 and the inner wall of blown down pipe 2, when packing organism 1 carries dry powder mortar to blown down pipe 2, intermediate sleeve 5, location change over plate 7 and location change over pipe 8 and relative blown down pipe 2 rotation half circle, baffle box 6 is located blown down tank 3 department just, dry powder mortar one side falls into through intermediate sleeve 2, 5, baffle box 5 and blown down tank 3.
The side of the positioning rotating plate 7 is provided with an air bag 9 positioned in the middle sleeve 5, a push plate 10 which is far away from one side of the positioning rotating plate 7 is movably sleeved in the air bag 9, a limiting sleeve 18 is fixedly connected in the middle of one side of the push plate 10 facing the positioning rotating plate 7, a push shaft 11 is fixedly sleeved in the limiting sleeve 18 through a bearing, one end of the push shaft 11 extends to the inner side of the positioning rotating pipe 8 and is fixedly sleeved with a limiting sleeve 12, referring to fig. 3, clamping grooves 17 are respectively formed in the top and the bottom of the limiting sleeve 12, one side of the clamping groove 17 is of an opening design, the two clamping grooves 17 are respectively movably sleeved with a limiting shaft 13, and the limiting sleeve 12 is fixedly sleeved with a limiting screw sleeve 16 for horizontally limiting the limiting shaft 13 so as to facilitate the installation and fixation of the limiting shafts 13, one ends of the two limiting shafts 13 far away from the limiting sleeve 12 are respectively fixedly sleeved with a limiting push ball 14, the inner ring of the positioning rotary tube 8 is provided with two sliding grooves 15 for the curve sliding of the limiting push ball 14, the middle part of the inner cavity of the push shaft 11 is provided with a rectangular groove, the middle part of the side surface of the sealing cover 4 is fixedly connected with a limiting rod 20, one end of the limiting rod 20 is movably sleeved with the rectangular groove, the limiting rod 20 limits the push shaft 11, and a spring movably sleeved outside the discharging tube 2 is arranged between the limiting screw sleeve 16 and the sealing cover 4 so as to ensure that the push shaft 11 cannot rotate.
In the initial state, under the action of the elastic force of a spring, the limiting push ball 14 is positioned at one side of the chute 15 far away from the sealing cover 4, at this time, the guide chute 6 is positioned at one side far away from the discharge chute 3, the discharge chute 3 is blocked by the middle sleeve 5, the air bag 9 is in an expanded state, when the packaging machine body 1 starts to convey dry powder mortar to the discharge chute 2, the dry powder mortar in the discharge chute 2 compresses the expanded air bag 9, so that the push plate 10 pushes the push shaft 11 to move rightwards relative to the limiting rod 20, under the axial limiting of the push shaft 11 by the limiting rod 20, the limiting push ball 14 acts on the chute 15 on the positioning rotary pipe 8, so that the positioning rotary pipe 8 drives the positioning rotary plate 7 and the middle sleeve 5 to integrally rotate, after the limiting push ball 14 moves to the other end of the chute 15, the guide chute 6 is just positioned at the discharge chute 3, the dry powder mortar in the discharge chute 2 falls into a packaging bag sleeved on the discharge chute 2 through the guide chute 6 and the discharge chute 3, after the dry powder mortar is stopped, the restoring force of the spring can lead the limit screw sleeve 16, the limit shaft 13 and the push shaft 11 to move left as a whole, the limit push ball 14 acts on the chute 15, so that the chute 15 rotates reversely, the state that the guide chute 6 is positioned at one side far away from the discharge chute 3 is restored, the discharge chute 3 is plugged by the middle sleeve 5, compared with the existing dry powder mortar packaging machine, the situation that the output port is required to be temporarily closed in the neutral period of the replacement packaging bag is avoided, vibration is generated in the running process of the device, intermittent running and closing are alternated, small-mass small mortar blocks in the dry powder mortar are gradually gathered at a certain position due to the vibration, thus the pipeline output is blocked, the dry powder mortar at the orifice of the discharge pipe 2 falls outside due to the vibration, and the pollution is caused to the external environment, and cause the extravagant problem of dry powder mortar to, when feeding to discharging pipe 2 through packing organism 1, dry powder mortar compresses gasbag 9 earlier and then falls from baffle box 6, blown down tank 3, thereby carry out buffering to dry powder mortar and unload can handle, when having avoided current dry powder mortar packagine machine to use, dry powder mortar is direct in discharging the wrapping bag through discharging pipe 2, kinetic energy is great when dry powder mortar is unloaded, cause the dust to fly upward easily, the dust of dry powder mortar splashes out the problem of wrapping bag, further improved the protection external environment, saved the effect of dry powder mortar.
The internal diameter value of middle sleeve pipe 5 is the same with the internal diameter value in discharging pipe 2 left side, and is equipped with sealing ring 19 between the inner wall of one side of middle sleeve pipe 5 and discharging pipe 2, and sealing ring 19's internal diameter is the same with the internal diameter value of middle sleeve pipe 5, utilizes the sealed of push pedal 10 formation, avoids dry powder mortar to leak, simultaneously, through the same design of internal diameter value of discharging pipe 2, sealing ring 19 and middle sleeve pipe 5, ensures dry powder mortar's smooth passing through.
When the dry powder mortar packaging device is used, firstly, packaging bags are sleeved on a discharging pipe 2, then, a packaging machine body 1 is used for delivering dry powder mortar to the discharging pipe 2, the dry powder mortar enters a compression air bag 9 in the discharging pipe 2, a push plate 10 drives a push shaft 11 to move right, a spring is compressed, a limit push ball 14 acts on a chute 15 on a positioning rotary pipe 8, the positioning rotary plate 7 and an intermediate sleeve 5 integrally rotate, after a guide chute 6 on the intermediate sleeve 5 rotates to a position of the discharge chute 3, the dry powder mortar falls into the packaging bags through the guide chute 6 and the discharge chute 3, after the dry powder mortar in the packaging bags is filled, the packaging machine body 1 stops delivering the dry powder mortar to the discharging pipe 2, at this time, under the action of restoring force of the spring, the limit screw sleeve 16 drives the push shaft 11 to reset to move left, the positioning rotary pipe 8 reversely rotates under the action of the limit push ball 14, the intermediate sleeve 5 reversely rotates to block the discharge chute 3, and the dry powder mortar in the discharging pipe 2 is prevented from falling from the discharge chute 3 until the dry powder packaging in the next stage is restarted.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a dry powder mortar packing plant, includes packing organism (1), and top flange joint of packing organism (1) side has discharging pipe (2), its characterized in that: the bottom of one side, far away from the packaging machine body (1), of the discharging pipe (2) is provided with a discharging groove (3), the inside of the discharging pipe (2) is provided with a middle sleeve (5) positioned at the discharging groove (3), the middle sleeve (5) is provided with a guide groove (6) with the same inner diameter as the discharging groove (3), and when the packaging machine body (1) conveys dry powder mortar to the discharging pipe (2), the middle sleeve (5) rotates for half a circle to enable the guide groove (6) to be positioned at the discharging groove (3);
one side of the middle sleeve (5) is fixedly connected with a positioning rotating plate (7), one side of the positioning rotating plate (7) far away from the middle sleeve (5) is fixedly connected with a positioning rotating pipe (8), and the outer side of the positioning rotating pipe (8) is sleeved with the inner wall of the discharging pipe (2) through a bearing;
the side of the positioning rotating plate (7) is provided with an air bag (9) positioned in the middle sleeve (5), a push plate (10) far away from one side of the positioning rotating plate (7) is movably sleeved in the air bag (9), a push shaft (11) is rotatably sleeved on the side of the push plate (10), one end of the push shaft (11) extends to the inner side of the positioning rotating pipe (8) and is fixedly sleeved with a limiting sleeve (12), the top and the bottom of the limiting sleeve (12) are both provided with limiting shafts (13), one ends, far away from the limiting sleeve (12), of the two limiting shafts (13) are respectively fixedly sleeved with a limiting push ball (14), and two sliding grooves (15) for the curve sliding of the limiting push ball (14) are formed in the inner ring of the positioning rotating pipe (8);
clamping grooves (17) are formed in the top and the bottom of the limiting sleeve (12), one side of each clamping groove (17) is provided with an opening, one end of each limiting shaft (13) is movably sleeved with the corresponding clamping groove (17), and a limiting screw sleeve (16) for horizontally limiting the corresponding limiting shaft (13) is fixedly sleeved on the limiting sleeve (12);
a detachable sealing cover (4) is fixedly arranged on one side, far away from the packaging machine body (1), of the discharging pipe (2), a rectangular groove is formed in the middle of the inner cavity of the pushing shaft (11), a limiting rod (20) is fixedly connected to the middle of the side face of the sealing cover (4), one end of the limiting rod (20) is movably sleeved with the rectangular groove, and a spring movably sleeved outside the discharging pipe (2) is arranged between the limiting screw sleeve (16) and the sealing cover (4);
the inner diameter value of the middle sleeve (5) is the same as the inner diameter value of the left side of the discharging pipe (2), a sealing ring (19) is arranged between one side of the middle sleeve (5) and the inner wall of the discharging pipe (2), and the inner diameter of the sealing ring (19) is the same as the inner diameter value of the middle sleeve (5).
2. The dry powder mortar packing device of claim 1, wherein: the middle part of one side of the push plate (10) facing the positioning rotating plate (7) is fixedly connected with a limiting sleeve (18), and the limiting sleeve (18) is sleeved with one end of the push shaft (11) through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211589384.6A CN115783345B (en) | 2022-12-12 | 2022-12-12 | Dry powder mortar packing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211589384.6A CN115783345B (en) | 2022-12-12 | 2022-12-12 | Dry powder mortar packing plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115783345A CN115783345A (en) | 2023-03-14 |
| CN115783345B true CN115783345B (en) | 2023-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211589384.6A Active CN115783345B (en) | 2022-12-12 | 2022-12-12 | Dry powder mortar packing plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN115783345B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB453941A (en) * | 1935-03-16 | 1936-09-16 | George Weir | Improvements in packet making and filling machines |
| CN103662128A (en) * | 2012-09-21 | 2014-03-26 | 黄锦洲 | Automatic dosing method of material storage device |
| CN105570487A (en) * | 2016-03-01 | 2016-05-11 | 江苏神通阀门股份有限公司 | Low-torque ball valve |
| CN106185284A (en) * | 2016-07-29 | 2016-12-07 | 重庆新钰立金属科技有限公司 | Batch (-type) feed arrangement |
| CN210364619U (en) * | 2019-08-01 | 2020-04-21 | 易轩包装制品(连云港)有限公司 | Drying agent packaging device |
| CN210503252U (en) * | 2019-07-02 | 2020-05-12 | 南通友善金属容器有限公司 | Dry powder mortar packagine machine |
| CN211779083U (en) * | 2020-03-24 | 2020-10-27 | 苏州斯派克思精密机械有限公司 | Wear-resistant corrosion-resistant oil extraction flat valve |
| CN213064838U (en) * | 2020-06-22 | 2021-04-27 | 温州万业流体科技有限公司 | Novel straight-through full-covered ball valve |
| CN112963573A (en) * | 2021-02-26 | 2021-06-15 | 高月芸 | Multifunctional safety plug valve for petroleum drilling |
| CN215110628U (en) * | 2021-06-14 | 2021-12-10 | 江西远江阀门有限公司 | Avoid mistake to touch ball valve of opening |
| CN217003293U (en) * | 2022-03-04 | 2022-07-19 | 镇江市伟鑫流体控制设备有限公司 | Ball valve convenient to clearance and maintenance |
| CN114877097A (en) * | 2022-06-08 | 2022-08-09 | 李雅菲 | Ball valve assembly based on pressure effect assists spheroid pivoted |
| CN217401790U (en) * | 2022-06-27 | 2022-09-09 | 福建省飞胜阀门制造有限公司 | Fire hydrant ball valve with multiple water outlets |
-
2022
- 2022-12-12 CN CN202211589384.6A patent/CN115783345B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB453941A (en) * | 1935-03-16 | 1936-09-16 | George Weir | Improvements in packet making and filling machines |
| CN103662128A (en) * | 2012-09-21 | 2014-03-26 | 黄锦洲 | Automatic dosing method of material storage device |
| CN105570487A (en) * | 2016-03-01 | 2016-05-11 | 江苏神通阀门股份有限公司 | Low-torque ball valve |
| CN106185284A (en) * | 2016-07-29 | 2016-12-07 | 重庆新钰立金属科技有限公司 | Batch (-type) feed arrangement |
| CN210503252U (en) * | 2019-07-02 | 2020-05-12 | 南通友善金属容器有限公司 | Dry powder mortar packagine machine |
| CN210364619U (en) * | 2019-08-01 | 2020-04-21 | 易轩包装制品(连云港)有限公司 | Drying agent packaging device |
| CN211779083U (en) * | 2020-03-24 | 2020-10-27 | 苏州斯派克思精密机械有限公司 | Wear-resistant corrosion-resistant oil extraction flat valve |
| CN213064838U (en) * | 2020-06-22 | 2021-04-27 | 温州万业流体科技有限公司 | Novel straight-through full-covered ball valve |
| CN112963573A (en) * | 2021-02-26 | 2021-06-15 | 高月芸 | Multifunctional safety plug valve for petroleum drilling |
| CN215110628U (en) * | 2021-06-14 | 2021-12-10 | 江西远江阀门有限公司 | Avoid mistake to touch ball valve of opening |
| CN217003293U (en) * | 2022-03-04 | 2022-07-19 | 镇江市伟鑫流体控制设备有限公司 | Ball valve convenient to clearance and maintenance |
| CN114877097A (en) * | 2022-06-08 | 2022-08-09 | 李雅菲 | Ball valve assembly based on pressure effect assists spheroid pivoted |
| CN217401790U (en) * | 2022-06-27 | 2022-09-09 | 福建省飞胜阀门制造有限公司 | Fire hydrant ball valve with multiple water outlets |
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| Publication number | Publication date |
|---|---|
| CN115783345A (en) | 2023-03-14 |
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