CN114087402A - Flow limiting device of ball valve of one-way valve and using method of flow limiting device - Google Patents
Flow limiting device of ball valve of one-way valve and using method of flow limiting device Download PDFInfo
- Publication number
- CN114087402A CN114087402A CN202111398815.6A CN202111398815A CN114087402A CN 114087402 A CN114087402 A CN 114087402A CN 202111398815 A CN202111398815 A CN 202111398815A CN 114087402 A CN114087402 A CN 114087402A
- Authority
- CN
- China
- Prior art keywords
- adjusting
- flow
- groove
- plate
- ball valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 229910052742 iron Inorganic materials 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
- F16K15/044—Check valves with guided rigid valve members shaped as balls spring-loaded
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0245—Construction of housing; Use of materials therefor of lift valves with ball-shaped valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
- F16K31/0658—Armature and valve member being one single element
- F16K31/0662—Armature and valve member being one single element with a ball-shaped valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a check valve ball valve flow-limiting device and a using method thereof, wherein the check valve ball valve flow-limiting device comprises a valve body; the inside swing joint of valve body has, and spheroidal middle part level runs through and has seted up logical groove, turns right respectively fixed mounting from a left side in the inside that leads to the groove have first regulating plate and second regulating plate, and the left middle part of first regulating plate and second regulating plate level respectively runs through and has seted up first water conservancy diversion mouth and second water conservancy diversion mouth, and left upper end of first regulating plate, lower extreme, front end and rear end all run through and have seted up the third water conservancy diversion mouth. According to the invention, through the combination of the first adjusting plate, the second adjusting plate, the first flow guide port, the second flow guide port, the third flow guide port, the adjusting iron plate, the electromagnet, the spring, the blocking block and the liquid flow rate sensor, the corresponding electromagnet can be automatically controlled to work according to the requirement, the flow rate of liquid passing through the valve body is further adjusted, and the use precision is high.
Description
Technical Field
The invention relates to the technical field of one-way valves, in particular to a ball valve flow limiting device of a one-way valve and a using method thereof.
Background
The one-way ball valve is also named as an aluminum alloy one-way ball valve, adopts an aluminum alloy single flange structure, can be manufactured into a male end or a female end according to the requirements of customers, is connected with a quick connector, and is one of main accessories on an oil tank and an oil tank truck. The device is suitable for opening and closing control of non-corrosive liquid conveying pipelines.
In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved, the existing one-way ball valves carry out liquid drainage operation in a mode that the through groove in the middle of the ball body is communicated with the valve body by rotating the ball body on the inner side of the valve body, but in the liquid drainage process, the flow rate of liquid passing through the valve body cannot be automatically adjusted and controlled according to the use requirement, and the use effect is limited.
Disclosure of Invention
In order to solve the above problems, the present invention provides a flow limiting device for a ball valve of a check valve and a method for using the same, the flow limiting device for the ball valve of the check valve comprises a valve body, the valve body is movably connected inside the valve body, a through groove is horizontally formed in the middle of the valve body, a first adjusting plate and a second adjusting plate are fixedly installed inside the through groove from left to right, a first diversion port and a second diversion port are horizontally formed in the middle of the left sides of the first adjusting plate and the second adjusting plate, a third diversion port is formed in the upper end, the lower end, the front end and the rear end of the left side of the first adjusting plate, adjusting grooves are formed in the upper end, the lower end, the front end and the right end of the left side of the second adjusting plate, an adjusting iron plate is arranged inside the adjusting grooves, an adjusting rod is horizontally and fixedly installed in the middle of the left side of the adjusting iron plate, the left end of the adjusting rod penetrates through the adjusting grooves and is fixedly connected with the middle of the right side of a blocking block, the right side of sprue is provided with the spring, the middle part fixed mounting of adjustment tank right side inner wall has the electro-magnet, the bottom inner wall of second water conservancy diversion mouth is provided with liquid flow sensor, the right side of valve body upper surface is provided with the controller.
Furthermore, a sealing groove is formed in the right side of the third flow guide opening, the blocking block is movably connected with the sealing groove, and the size of the blocking block is matched with that of the third flow guide opening.
Further, the upper end and the lower end on the right side of the adjusting iron plate are both provided with sliding grooves, the upper end and the lower end inside the adjusting grooves are both horizontally and fixedly provided with sliding rods, and the sliding rods penetrate through the sliding grooves and are in sliding connection.
Furthermore, the first diversion opening and the second diversion opening are horizontally aligned, and the diameter of the first diversion opening is smaller than that of the second diversion opening.
Furthermore, the spring is sleeved outside the left end of the adjusting rod, and the spring is arranged on the left side of the second adjusting plate.
Furthermore, the input end of the controller is electrically connected with an external power supply through a conducting wire, the output end of the controller is electrically connected with the input end of the electromagnet through a conducting wire, the data output end of the liquid flow velocity sensor is connected with the data input end of the controller, and the signal output end of the controller is connected with the signal input end of the electromagnet.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the flow limiting device for the ball valve of the one-way valve, disclosed by the invention, through the combination of the first adjusting plate, the second adjusting plate, the first flow guide port, the second flow guide port, the third flow guide port, the adjusting iron plate, the electromagnet, the spring, the blocking block and the liquid flow velocity sensor, the corresponding electromagnet can be automatically controlled to work according to the requirement, the flow velocity of liquid passing through the valve body is further adjusted, and the use precision is high.
2. According to the flow limiting device of the one-way valve ball valve, the blocking block is combined with the sealing groove, so that the sealing performance of the blocking block on the third flow guide opening can be improved, and the using effect is good.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a check valve ball valve flow-limiting device of the present invention when a valve body is sealed;
FIG. 2 is a front view of a ball of the check valve ball valve flow restricting device of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
In the figure: 1. a valve body; 2. a sphere; 3. a through groove; 4. a first adjusting plate; 5. a second adjusting plate; 6. a first flow guide port; 7. a third flow guide port; 8. a sealing groove; 9. an adjustment groove; 10. adjusting the iron plate; 11. adjusting a rod; 12. blocking; 13. a spring; 14. an electromagnet; 15. a chute; 16. a slide bar; 17. a liquid flow rate sensor; 18. a controller; 19. and the second diversion port.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the invention is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.
Referring to fig. 1-3, the present invention provides a technical solution: a flow limiting device of a check valve ball valve comprises a valve body 1, wherein a ball body 2 is movably connected inside the valve body 1, a through groove 3 is horizontally formed in the middle of the ball body 2 in a penetrating manner, a first adjusting plate 4 and a second adjusting plate 5 are fixedly installed in the through groove 3 from left to right respectively, a first flow guide port 6 and a second flow guide port 19 are horizontally formed in the middle of the left sides of the first adjusting plate 4 and the second adjusting plate 5 respectively in a penetrating manner, a third flow guide port 7 is formed in the upper end, the lower end, the front end and the rear end of the left side of the first adjusting plate 4 in a penetrating manner, an adjusting groove 9 is formed in the upper end, the lower end, the front end and the right end of the left side of the second adjusting plate 5, an adjusting iron plate 10 is arranged inside the adjusting groove 9, an adjusting rod 11 is horizontally and fixedly installed in the middle of the left side of the adjusting iron plate 10, the left end of the adjusting rod 11 penetrates through the adjusting groove 9 and is fixedly connected with the middle of the right side of a blocking block 12, the right side of sprue 12 is provided with spring 13, the middle part fixed mounting of adjustment tank 9 right side inner wall has electro-magnet 14, the bottom inner wall of second water conservancy diversion mouth 19 is provided with liquid flow velocity sensor 17, the right side of valve body 1 upper surface is provided with controller 18.
Through the combination of first regulating plate 4, second regulating plate 5, first water conservancy diversion mouth 6, second water conservancy diversion mouth 19, third water conservancy diversion mouth 7, regulation iron plate 10, electro-magnet 14, spring 13, sprue 12 and liquid velocity of flow sensor 17, can be according to the work of the electro-magnet 14 that demand automatic control corresponds, further adjust the liquid velocity of flow through in the valve body 1, the use precision is high.
The first diversion opening 6 is horizontally flush with the second diversion opening 19, the diameter of the first diversion opening 6 is smaller than that of the second diversion opening 19, and the use precision of the device is improved.
The input end of the controller 18 is electrically connected with an external power supply through a conducting wire, the output end of the controller 18 is electrically connected with the input end of the electromagnet 14 through a conducting wire, the data output end of the liquid flow velocity sensor 17 is connected with the data input end of the controller 18, the signal output end of the controller 18 is connected with the signal input end of the electromagnet 14, and the controller 18 can control the four groups of electromagnets 14 to work.
The invention relates to a using method of a one-way valve ball valve flow limiting device, which comprises the following steps: the structure comprises a valve body 1, a ball body 2, a through groove 3, a first adjusting plate 4, a second adjusting plate 5, a first diversion port 6, a third diversion port 7, a sealing groove 8, an adjusting groove 9, an adjusting iron plate 10, an adjusting rod 11, a block 12, a spring 13, an electromagnet 14, a sliding groove 15, a sliding rod 16, a liquid flow velocity sensor 17, a controller 18 and a second diversion port 19, wherein the components are all universal standard components or components known by technicians in the field, the structure and the principle of the components can be known by technical manuals or conventional experimental methods, the electromagnet 14 is controlled to work during work, magnetic attraction force is generated to attract and fix the adjusting iron plate 10, the block 12 can be pulled to move out of the sealing groove 8 by further adjusting the iron plate 10, so that the third diversion port 7 is opened, liquid passes through the third diversion port 7 and the first diversion port 6 and is discharged out of the valve body 1 through the second diversion port 19, the bottom inner wall through second water conservancy diversion mouth 19 is provided with liquid velocity of flow sensor 17, can detect the liquid velocity of flow through in the valve body 1, when the liquid velocity of flow reaches liquid velocity of flow sensor 17's threshold value, liquid velocity of flow sensor 17 gives controller 18 to data, further controller 18 control electro-magnet 14 stop work, magnetic attraction disappears, elasticity through spring 13, can promote sprue 12 and insert the operation of sealing up to third water conservancy diversion mouth 7 in the seal groove 8, further automatic liquid velocity of flow through in the valve body 1 is controlled, moreover, the steam generator is simple in structure, excellent in use effect.
While there have been shown and described what are at present considered to be the basic principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The flow limiting device of the check valve ball valve is characterized by comprising a valve body (1), wherein the valve body (1) is movably connected with a ball body (2), a through groove (3) is horizontally formed in the middle of the ball body (2), a first adjusting plate (4) and a second adjusting plate (5) are fixedly mounted in the through groove (3) from left to right respectively, a first flow guide opening (6) and a second flow guide opening (19) are horizontally formed in the middle of the left side of the first adjusting plate (4) and the left side of the second adjusting plate (5) respectively, a third flow guide opening (7) is formed in the upper end, the lower end, the front end and the rear end of the left side of the first adjusting plate (4) respectively, an adjusting groove (9) is formed in the upper end, the lower end, the front end and the right end of the left side of the second adjusting plate (5), and an adjusting iron plate (10) is arranged in the adjusting groove (9), the utility model discloses a valve body, including adjusting iron plate (10), adjusting iron plate (10) left middle part level fixed mounting has regulation pole (11), the left end of adjusting pole (11) run through adjustment tank (9) and with the middle part fixed connection on sprue (12) right side, the right side of sprue (12) is provided with spring (13), the middle part fixed mounting of adjustment tank (9) right side inner wall has electro-magnet (14), the bottom inner wall of second water conservancy diversion mouth (19) is provided with liquid velocity of flow sensor (17), the right side of valve body (1) upper surface is provided with controller (18).
2. A check valve ball valve flow restricting device as defined in claim 1, wherein: the right side of the third flow guide opening (7) is provided with a sealing groove (8), the blocking block (12) is movably connected with the sealing groove (8), and the size of the blocking block (12) is matched with that of the third flow guide opening (7).
3. A check valve ball valve flow restricting device as defined in claim 1, wherein: spout (15) have all been seted up at the upper and lower both ends on regulation iron plate (10) right side, the equal horizontal fixed mounting in upper and lower both ends of regulation groove (9) inside has slide bar (16), slide bar (16) run through spout (15) and sliding connection.
4. A check valve ball valve flow restricting device as defined in claim 1, wherein: the first diversion port (6) is horizontally flush with the second diversion port (19), and the diameter of the first diversion port (6) is smaller than that of the second diversion port (19).
5. A check valve ball valve flow restricting device as defined in claim 1, wherein: the spring (13) is sleeved on the outer side of the left end of the adjusting rod (11), and the spring (13) is arranged on the left side of the second adjusting plate (5).
6. A check valve ball valve flow restricting device as defined in claim 1, wherein: the input end of the controller (18) is electrically connected with an external power supply through a conducting wire, the output end of the controller (18) is electrically connected with the input end of the electromagnet (14) through a conducting wire, the data output end of the liquid flow velocity sensor (17) is connected with the data input end of the controller (18), and the signal output end of the controller (18) is connected with the signal input end of the electromagnet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111398815.6A CN114087402A (en) | 2021-11-19 | 2021-11-19 | Flow limiting device of ball valve of one-way valve and using method of flow limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111398815.6A CN114087402A (en) | 2021-11-19 | 2021-11-19 | Flow limiting device of ball valve of one-way valve and using method of flow limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114087402A true CN114087402A (en) | 2022-02-25 |
Family
ID=80303630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111398815.6A Pending CN114087402A (en) | 2021-11-19 | 2021-11-19 | Flow limiting device of ball valve of one-way valve and using method of flow limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114087402A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114795672A (en) * | 2022-04-21 | 2022-07-29 | 南通市通州仁寿大药房连锁有限公司 | Medical kit convenient to carry |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201074685Y (en) * | 2007-06-29 | 2008-06-18 | 何学新 | Variable hole ball valve |
| CN206290767U (en) * | 2016-12-02 | 2017-06-30 | 四川建筑职业技术学院 | A kind of volume control device |
| CN210440645U (en) * | 2019-09-17 | 2020-05-01 | 苏州美德乐思精密机械有限公司 | Equipment solenoid valve |
| CN212155987U (en) * | 2020-04-30 | 2020-12-15 | 广东粤电新会发电有限公司 | Electromagnetic valve with strong sealing performance |
| CN112212059A (en) * | 2020-10-19 | 2021-01-12 | 诸暨企创网络科技有限公司 | Backflow prevention electromagnetic valve with pipeline pressure detection function |
| CN214197431U (en) * | 2021-01-29 | 2021-09-14 | 上海七策电气科技有限公司 | Electromagnetic control's choke valve |
-
2021
- 2021-11-19 CN CN202111398815.6A patent/CN114087402A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201074685Y (en) * | 2007-06-29 | 2008-06-18 | 何学新 | Variable hole ball valve |
| CN206290767U (en) * | 2016-12-02 | 2017-06-30 | 四川建筑职业技术学院 | A kind of volume control device |
| CN210440645U (en) * | 2019-09-17 | 2020-05-01 | 苏州美德乐思精密机械有限公司 | Equipment solenoid valve |
| CN212155987U (en) * | 2020-04-30 | 2020-12-15 | 广东粤电新会发电有限公司 | Electromagnetic valve with strong sealing performance |
| CN112212059A (en) * | 2020-10-19 | 2021-01-12 | 诸暨企创网络科技有限公司 | Backflow prevention electromagnetic valve with pipeline pressure detection function |
| CN214197431U (en) * | 2021-01-29 | 2021-09-14 | 上海七策电气科技有限公司 | Electromagnetic control's choke valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114795672A (en) * | 2022-04-21 | 2022-07-29 | 南通市通州仁寿大药房连锁有限公司 | Medical kit convenient to carry |
| CN114795672B (en) * | 2022-04-21 | 2022-12-16 | 南通市通州仁寿大药房连锁有限公司 | Medical kit convenient to carry |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110608291B (en) | Butterfly valve with sealing protection structure | |
| CN114087402A (en) | Flow limiting device of ball valve of one-way valve and using method of flow limiting device | |
| CN205278527U (en) | Piston mechanism guide formula solenoid valve | |
| CN214197431U (en) | Electromagnetic control's choke valve | |
| CN204985828U (en) | Tee bend diaphragm formula normally open solenoid valve | |
| CN103851242A (en) | Household automatic water closing valve and automatic water closing method thereof | |
| CN209557146U (en) | A kind of external fuel oil pump assembly | |
| CN203757141U (en) | Domestic automatic water closing valve | |
| CN212745148U (en) | Self-generating electric thermostatic valve | |
| CN202109033U (en) | One-way valve | |
| CN207935529U (en) | A kind of ball-cock assembly | |
| CN204187038U (en) | Multi-functional pilot-operated diaphragm valve | |
| CN210637515U (en) | Automatic cut-off valve for gas pipeline | |
| CN110313799B (en) | Water metering type electric cooker | |
| CN208703234U (en) | A kind of novel and multifunctional hydraulic control valve | |
| CN112524319A (en) | Valve capable of monitoring water pressure and intelligently adjusting water outlet | |
| CN207763282U (en) | A kind of geothermal well backflow device | |
| CN216158431U (en) | Electromagnetic valve with anti-blocking function, water purifier and household appliance | |
| CN217056530U (en) | Methanol valve for filling liquefied gas | |
| CN204062112U (en) | A kind of valve | |
| CN205908847U (en) | Water purifier control water route on -off system | |
| CN202531962U (en) | Adjustable solenoid valve | |
| CN219396952U (en) | Machine for dual-purpose sealed bucket | |
| CN207049376U (en) | A kind of double cut-off gas ratio valves | |
| CN215950024U (en) | Oil cylinder with liquid-filled valve seat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |