CN210700691U - Speed-adjustable fluid nozzle structure - Google Patents
Speed-adjustable fluid nozzle structure Download PDFInfo
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- CN210700691U CN210700691U CN201920743873.XU CN201920743873U CN210700691U CN 210700691 U CN210700691 U CN 210700691U CN 201920743873 U CN201920743873 U CN 201920743873U CN 210700691 U CN210700691 U CN 210700691U
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Abstract
The utility model discloses a speed-adjustable fluid nozzle structure, which comprises an auxiliary joint, a nozzle, a magnetic fluid sealing film, a magnetic fluid, a coil, a first permanent magnet, a second permanent magnet, a third permanent magnet, a fluid pipeline, a boss at the upper end of the nozzle is arranged in the auxiliary joint, a through hole is arranged at the center of the nozzle, the inner surface of the lower end of the nozzle is provided with a circular groove, the circular groove is sequentially provided with a magnetic fluid sealing film, a magnetic fluid, a first permanent magnet, a coil and a second permanent magnet from inside to outside, the magnetic fluid is filled in the magnetic fluid sealing film, the outer surface of the magnetic fluid sealing film is provided with the first permanent magnet, the coil and the second permanent magnet, the speed-adjustable fluid nozzle structure of the utility model has small volume and compact structure, can be directly installed and applied to the valve port of the existing valve structure, meanwhile, the valve has the function of adjusting the flow speed and the flow of the valve body at any time, and has better application value in the aspect of controlling the fluid of the valve structure.
Description
Technical Field
The invention relates to a speed-adjustable fluid nozzle structure which can be matched with the existing valve structure for use to adjust the flow speed and flow of a fluid outlet.
Background
Valve devices are a widely used class of basic components in industrial applications, such as gas valves, liquid valves, high-speed valves, precision flow valves, injection valves, etc., which are found everywhere in our daily lives. For a certain valve structure, in the case that the flow and pressure cannot be adjusted, it is often only able to provide one flow rate, which is not beneficial for applications with diversified fluid requirements in industrial applications. Although the flow and the flow rate can be adjusted by adopting the built-in executing element, the adding of the executing element greatly increases the mass and the volume of the valve body structure, and needs to carry out certain structural modification on the valve body, more importantly, the executing element also needs an independent power supply and a control circuit to be aligned for motion control, and all the factors greatly increase the design cost of the valve body structure.
How to automatically adjust the flow speed and the flow quantity of the outlet of the valve body according to the requirements of practical engineering application under the condition of not changing the structure of the valve body, which is the starting point of the adjustable fluid nozzle structure provided by the patent. To address this need, the present patent proposes an external adjustable fluid nozzle structure.
Disclosure of Invention
It is an object of the present invention to overcome the deficiencies of the prior art and to provide an adjustable fluid nozzle arrangement.
A speed-adjustable fluid nozzle structure comprises an auxiliary joint, a nozzle, a magnetic fluid sealing film, a magnetic fluid, a coil, a first permanent magnet, a second permanent magnet, a third permanent magnet and a fluid pipeline, wherein the auxiliary joint is of a hollow frame-shaped structure, the nozzle is of a hollow boss structure, a boss at the upper end of the nozzle is placed in the auxiliary joint, part of the nozzle penetrates out of a lower end hole of the auxiliary joint, the fluid pipeline is arranged in the center of the nozzle, a circular groove is formed in the inner surface of the lower end of the nozzle, the magnetic fluid sealing film, the magnetic fluid, the first permanent magnet, the coil and the second permanent magnet are sequentially arranged from inside to outside from top to bottom, the magnetic fluid is filled in the magnetic fluid sealing film, the first permanent magnet, the coil and the second permanent magnet are all arranged on the outer surface of the magnetic fluid sealing film, and, The lower outer surface, the coil sets up the surface middle zone at the magnetic fluid seal membrane, and the surface of nozzle is provided with the third permanent magnet, and the third permanent magnet can slide from top to bottom on the surface of nozzle.
Preferably, the auxiliary joint and the nozzle are made of high-strength high-permeability 10# steel, and the magnetic fluid sealing film is made of a high-elasticity rubber film; the magnetic fluid is made of MRF 132-DG; the first permanent magnet and the second permanent magnet are made of low-magnetism ferrite magnets, and the third permanent magnet is made of strong-magnetism aluminum-iron-boron permanent magnets.
Preferably, the directions of the magnetic fields generated by the coil, the first permanent magnet, the second permanent magnet and the third permanent magnet are the same, and the magnetic field strength generated by each part is as follows: the third permanent magnet is larger than the second permanent magnet, the second permanent magnet is equal to the first permanent magnet, and the first permanent magnet is larger than the coil.
Preferably, a connecting area between the auxiliary joint and the nozzle is in small clearance fit, the auxiliary joint is sealed by a sealing gasket in an auxiliary mode, the first permanent magnet and the second permanent magnet are bonded to the upper surface and the lower surface of the coil, the first permanent magnet and the second permanent magnet are sealed and solidified on the inner wall of the nozzle through epoxy encapsulation, magnetic fluid sealant is encapsulated in the inner surface areas of the coil, the first permanent magnet and the second permanent magnet, the upper outer surface and the lower outer surface of the magnetic fluid sealant are encapsulated in the inner surface areas of the coil, the first permanent magnet and the second permanent magnet, inner threads are arranged in the third permanent magnet, outer threads are arranged on the outer surface of the nozzle, the inner threads on the third permanent magnet are matched with the outer threads on the outer surface of the nozzle.
Preferably, the coil can be designed in a segmented mode according to the requirements of practical engineering application.
Compared with the prior art, the invention has the following beneficial effects:
1) the speed-adjustable fluid nozzle structure provided by the invention can be matched with the existing valve structure for use, and meanwhile, the valve nozzle structure belongs to an external structure, and the structure of the original valve structure is not required to be adjusted. Moreover, the nozzle structure does not need an independent power supply and a controller for power supply, and the outlet flow velocity can be adjusted only by adjusting the position of the permanent magnet.
2) The speed-adjustable fluid nozzle structure has various different working modes of the circulating pipeline, and the flow speed of outlet fluid can be adjusted according to engineering application requirements by adjusting the position of the external permanent magnet.
3) The speed-adjustable fluid valve nozzle structure is compact in structure and easy to assemble and disassemble, can realize the adjustment of the flow velocity of fluid besides the valve flow adjusting function, and can make up for the engineering application that the flow velocity is not easy to adjust in the traditional switch valve.
Drawings
FIG. 1 is a front view of an adjustable velocity fluid nozzle configuration;
FIG. 2 is a first mode of operation of the adjustable velocity fluid nozzle configuration;
FIG. 3 is a second mode of operation of the adjustable velocity fluid nozzle configuration;
FIG. 4 is a third mode of operation of the adjustable velocity fluid nozzle configuration;
Detailed Description
The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.
As shown in fig. 1 to 4, a speed-adjustable fluid nozzle structure is characterized in that: the nozzle comprises an auxiliary joint 1, a nozzle 2, a magnetic fluid sealing film 3, a magnetic fluid 4, a coil 5, a first permanent magnet 6, a second permanent magnet 7, a third permanent magnet 8 and a fluid pipeline 9, wherein the auxiliary joint 1 is of a hollow frame-shaped structure, the nozzle 2 is of a hollow boss structure, an upper boss of the nozzle 2 is placed in the auxiliary joint 1, a part of the nozzle 2 penetrates out of a lower end hole of the auxiliary joint 1, the fluid pipeline 9 used for fluid movement is arranged in the center of the nozzle 2, a circular groove is formed in the inner surface of the lower end of the nozzle 2, the magnetic fluid sealing film 3, the magnetic fluid 4, the first permanent magnet 6, the coil 5 and the second permanent magnet 7 are sequentially arranged from top to bottom from inside to outside, the magnetic fluid sealing film 3 is filled with the magnetic fluid 4, the first permanent magnet 6, the coil 5 and the second permanent magnet 7 are all arranged on the outer surface of the magnetic fluid sealing film 3, and the first, The lower outer surface, coil 5 set up in the middle zone of the outer surface of magnetic fluid seal membrane 3, and the outer surface of nozzle 2 is provided with third permanent magnet 8, and third permanent magnet 8 can slide from top to bottom on the outer surface of nozzle 2.
As shown in fig. 1, a connection region between the auxiliary joint 1 and the nozzle 2 is in small clearance fit, sealing is performed by a sealing gasket in an auxiliary manner, the first permanent magnet 6 and the second permanent magnet 7 are bonded to the upper surface and the lower surface of the coil 5, the first permanent magnet 6 and the second permanent magnet 7 are sealed and solidified on the inner wall of the nozzle 2 through epoxy encapsulation, magnetic fluid sealant is encapsulated in inner surface regions of the coil 5, the first permanent magnet 6 and the second permanent magnet 7, upper outer surfaces and lower outer surfaces of the magnetic fluid sealant are encapsulated in inner surface regions of the coil 5, the first permanent magnet 6 and the second permanent magnet 7, and the inner surfaces of the magnetic fluid sealant still have strong elastic deformation performance without being sealed. An inner thread is arranged on the inner ring of the third permanent magnet 8, an outer thread is arranged on the outer surface of the nozzle 2, the inner thread on the third permanent magnet 8 is matched with the outer thread on the outer surface of the nozzle 2, and the third permanent magnet 8 can slide up and down on the outer surface of the nozzle 2.
When the third permanent magnet 8 is positioned on the nozzle 2, under the strong magnetic action of the third permanent magnet 8, the magnetofluid 4 in the magnetofluid sealing film 3 is gathered towards the permanent magnet 8 area, so that the effective fluid sectional area of the permanent magnet 8 area is greatly reduced, the flow velocity and the flow of the fluid are changed, when the third permanent magnet 8 is positioned at the upper end of the nozzle 2, the fluid pipeline 9 of the nozzle 2 is in a regular triangle structure, the flow of the fluid is small at the moment, the flow velocity of the fluid is greatly reduced after passing through the regular triangle fluid pipeline 9, and the device can be used for low-speed washing application of a valve body structure; when the third permanent magnet 8 is positioned in the middle of the nozzle 2, the fluid pipeline 9 of the nozzle 2 is in a funnel-shaped structure, the influence of the magnetic field of the first permanent magnet 6 and the second permanent magnet 7 on the area is small, the opening area of the effective interface of the fluid pipeline 9 is slightly larger than that of the right triangular structure, and meanwhile, due to the funnel-shaped structural characteristic of the fluid pipeline 9, the fluid is accelerated and then decelerated, so that the flow rate and the flow rate of the outlet area are moderate, and the valve can be used for large-scale washing application of a valve body structure; when the third permanent magnet 8 is positioned at the bottom end of the nozzle 2, the magnetic fluid 4 is accumulated to the outlet area of the nozzle 2 in a large amount, the fluid pipeline 9 of the nozzle 2 presents a regular triangle structure, and the fluid is accelerated in the whole fluid pipeline 9, so that the fluid flowing out of the nozzle 2 has a high-speed flushing function and can be used for high-speed and high-efficiency flushing application of a valve body structure.
The coil 5 can be designed in sections according to the application requirements of practical engineering, independent power supply and diversified selection of power supply current of the section coil 5 can greatly expand diversified regulation of the fluid nozzle structure on the fluid speed.
The auxiliary joint 1 and the nozzle 2 are made of high-strength high-permeability 10# steel, and the magnetic fluid sealing film 3 is made of a high-elasticity rubber film; the magnetic fluid 4 is made of MRF 132-DG; the first permanent magnet 6 and the second permanent magnet 7 are made of ferrite magnets with low magnetism, and the third permanent magnet 8 is made of aluminum-iron-boron permanent magnets with strong magnetism.
The directions of the magnetic fields generated by the coil 5, the first permanent magnet 6, the second permanent magnet 7 and the third permanent magnet 8 are the same, and the magnetic field strength generated by each part is as follows: the third permanent magnet 8 is larger than the second permanent magnet 7, the second permanent magnet 7 is equal to the first permanent magnet 6, and the first permanent magnet 6 is larger than the coil 5.
Claims (4)
1. A speed adjustable fluid nozzle structure, characterized by: comprises an auxiliary joint (1), a nozzle (2), a magnetic fluid sealing film (3), a magnetic fluid (4), a coil (5), a first permanent magnet (6), a second permanent magnet (7), a third permanent magnet (8) and a fluid pipeline (9), wherein the auxiliary joint (1) adopts a hollow frame-shaped structure, the nozzle (2) adopts a hollow boss structure, an upper-end boss of the nozzle (2) is placed in the auxiliary joint (1), part of the nozzle (2) penetrates out from a lower-end hole of the auxiliary joint (1), the center of the nozzle (2) is provided with the fluid pipeline (9), the inner surface of the lower end of the nozzle (2) is provided with a circular groove, the circular groove is provided with the magnetic fluid sealing film (3), the magnetic fluid (4), the first permanent magnet (6), the coil (5) and the second permanent magnet (7) from inside to outside in sequence from top to bottom, the magnetic fluid (4) is filled in the, first permanent magnet (6), coil (5) and second permanent magnet (7) all set up on the surface of magnetic current body seal membrane (3), first permanent magnet (6) and second permanent magnet (7) set up respectively in the upper and lower surface of magnetic current body seal membrane (3), coil (5) set up the surface middle zone in magnetic current body seal membrane (3), the surface of nozzle (2) is provided with third permanent magnet (8), third permanent magnet (8) can slide from top to bottom at the surface of nozzle (2).
2. The adjustable velocity fluid nozzle structure of claim 1, wherein: the auxiliary joint (1) and the nozzle (2) are made of high-strength high-permeability 10# steel, and the magnetic fluid sealing film (3) is made of a high-elasticity rubber film; the magnetic fluid (4) is made of MRF 132-DG; the first permanent magnet (6) and the second permanent magnet (7) are ferrite magnets made of low magnetism, and the third permanent magnet (8) is an aluminum-iron-boron permanent magnet made of strong magnetism.
3. The adjustable velocity fluid nozzle structure of claim 1, wherein: the magnetic field directions generated by the coil (5), the first permanent magnet (6), the second permanent magnet (7) and the third permanent magnet (8) are the same, and the magnetic field intensity generated by each part is as follows: the third permanent magnet (8) is larger than the second permanent magnet (7), the second permanent magnet (7) is equal to the first permanent magnet (6), and the first permanent magnet (6) is larger than the coil (5).
4. The adjustable velocity fluid nozzle structure of claim 1, wherein: the auxiliary joint (1) and the nozzle (2) are connected in a region by adopting small clearance fit, the auxiliary joint is sealed by a sealing gasket, a first permanent magnet (6) and a second permanent magnet (7) are bonded on the upper surface and the lower surface of a coil (5), the first permanent magnet (6) and the second permanent magnet (7) are solidified on the inner wall of the nozzle (2) through epoxy encapsulation, the inner surface regions of the coil (5), the first permanent magnet (6) and the second permanent magnet (7) are encapsulated with regional magnetic fluid sealant, the upper outer surface and the lower outer surface of the magnetic fluid sealant are encapsulated in the inner surface regions of the coil (5), the first permanent magnet (6) and the second permanent magnet (7), an inner thread is arranged in an inner ring of a third permanent magnet (8), an outer thread is arranged on the outer surface of the nozzle (2), and the inner thread on the third permanent magnet (8) is matched with the outer, the third permanent magnet (8) can slide up and down on the outer surface of the nozzle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920743873.XU CN210700691U (en) | 2019-05-22 | 2019-05-22 | Speed-adjustable fluid nozzle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920743873.XU CN210700691U (en) | 2019-05-22 | 2019-05-22 | Speed-adjustable fluid nozzle structure |
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| CN210700691U true CN210700691U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920743873.XU Active CN210700691U (en) | 2019-05-22 | 2019-05-22 | Speed-adjustable fluid nozzle structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110013925A (en) * | 2019-05-22 | 2019-07-16 | 杭州沃凌的机电有限公司 | A kind of adjustable speed fluid tip structure |
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2019
- 2019-05-22 CN CN201920743873.XU patent/CN210700691U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110013925A (en) * | 2019-05-22 | 2019-07-16 | 杭州沃凌的机电有限公司 | A kind of adjustable speed fluid tip structure |
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