CN111102379A

CN111102379A - Multi-channel fluid controller

Info

Publication number: CN111102379A
Application number: CN201911400232.5A
Authority: CN
Inventors: 苗壮; 莫漓江; 李大伟; 张晓辉
Original assignee: Shenyang Hengyi Enterprise Co ltd
Current assignee: Shenyang Hengyi Enterprise Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-05-05

Abstract

The embodiment of the invention discloses a multi-channel fluid controller, which comprises a shell of the controller and a core body of the controller, wherein the core body is arranged in the shell and is rotationally connected with the shell, the core body is provided with at least one channel for liquid to flow through, the channel is provided with at least two flow openings, the shell is provided with at least three openings, after the core body rotates, the at least two flow openings of the channel are superposed with two openings of the shell, the rotation angle is preset through a driving device, the closing, opening and switching of the fluid channels at multiple positions can be remotely/automatically controlled in a process manner, and the on-off error caused by misoperation can be avoided to a large extent. Due to the adoption of the pressure balance design of the fluorine-coated sealing ring with low friction coefficient and the core body of the controller, the opening and closing torque of the controller can be reduced. And because the coefficient of friction of sealing washer is lower, reduce and maintain the number of times, the used quantity of valve at ordinary times of significantly reducing.

Description

Multi-channel fluid controller

Technical Field

The embodiment of the invention relates to the technical field of fluid controllers, in particular to a multi-channel fluid controller.

Background

The fluid control is to use various control elements (various pumps, valves, oil cylinders) of fluid and hydraulic system accessories (filters, pipeline joints, liquid level meters, pressure meters, etc.) to form a control closed loop to carry out automatic control, and no matter what kind of control is, the control elements of valves and pumps are needed, and when the multi-channel fluid control needs to be completed, more control elements are needed.

Disclosure of Invention

Therefore, the embodiment of the invention provides a multi-channel fluid controller to solve the problem of more resource occupation caused by more control elements required when multi-channel fluid control is completed in the prior art.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

the utility model provides a multichannel fluid controller, includes the casing of controller and the core of controller, the core sets up in the casing and rotates with the casing to be connected, set up at least one passageway that is used for supplying the liquid circulation on the core, the passageway has two circulation openings at least, be provided with at least three opening on the casing, the core rotates the back at least two circulation openings of passageway with wherein two openings coincidence of casing.

Further, every circulation port all is provided with sealed recess all around, sealed recess sets up and is located core body surface surrounding circulation port position all around, the embedded sealing washer that is equipped with of sealed recess.

Further, the sealing ring is a fluorine-coated sealing ring.

Further, the upper and lower both ends of core all are provided with annular gap, annular gap sets up along the circumference of core, the annular gap at the upper and lower both ends of core is used for placing the wear-resisting ring sum of fitting with a contraceptive ring of location respectively.

Furthermore, a rotating shaft is fixedly connected to the center of the upper surface of the core body.

Furthermore, the device also comprises a driving device for driving the rotating shaft to rotate.

Further, the passageway sets up to two, every the circulation mouth direction of two circulation mouths of passageway is ninety degrees, be provided with two sets of openings on the casing, every group the opening includes two inlets and a liquid outlet, two respectively the inlet symmetry sets up, the liquid outlet sets up between two inlets, the liquid outlet all becomes the ninety degrees setting with every inlet.

Furthermore, two ends of the shell in the length direction are also provided with flange plates, wherein the flange plate at the upper end is used for being fixedly connected with an upper controller cover, and the flange plate at the lower end is connected with a lower controller cover.

The embodiment of the invention has the following advantages: the rotation angle is preset by the driving device, the closing, opening and switching of a plurality of fluid channels can be automatically controlled in a remote/process mode, and on-off errors caused by misoperation can be avoided to a large extent. Due to the adoption of the pressure balance design of the fluorine-coated sealing ring with low friction coefficient and the core body of the controller, the opening and closing torque of the controller can be reduced. And because the friction coefficient of sealing washer is lower, later maintenance interval time can lengthen, reduces and maintains the number of times. The structure of the invention is easy to maintain, and the quantity of valves used at ordinary times can be greatly reduced, and simultaneously the purposes of saving human resources and cost can be achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

Fig. 1 is a schematic diagram illustrating an overall structure of a multi-channel fluid controller according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a multi-channel fluid controller provided by an embodiment of the present invention;

fig. 3 is a block diagram of a multi-channel fluid controller according to an embodiment of the present invention.

In the figure: 1. a housing; 11. a liquid inlet; 12. a liquid outlet; 13. a pipeline; 2. a core body; 21. a channel; 22. a flow port; 23. sealing the groove; 24. a seal ring; 25. a rotating shaft; 26. positioning a wear-resistant upper ring; 27. positioning a wear-resistant lower ring; 28. an annular gap; 31. a controller upper cover; 32. a controller lower cover; 4. a drive device.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): a multi-channel fluid controller, as shown in FIGS. 1 to 3, comprises a housing 1 of the controller and a core 2 of the controller, the core 2 of the controller is arranged in the shell 1 of the controller, the core 2 of the controller is cylindrical, and at least one channel 21 for the liquid to flow through is arranged on the core body 2 of the controller, in the present embodiment, the passages 21 are provided in two, respectively at one-third and two-thirds height positions of the core 2 of the controller, also in the present embodiment, the directions of the flow openings 22 of the two flow openings 22 of each channel 21 are perpendicular to each other, the corresponding flow openings 22 of the two channels 21 are all oriented in the same direction, a sealing groove 23 is formed in the position, around the flow port 22, of each flow port 22 of each channel 21 on the surface of the core body 2, and a sealing ring 24 is embedded in the sealing groove 23.

Referring to fig. 1 and fig. 2, the housing 1 is also set to be cylindrical, and the housing 1 is sleeved outside the core 2, in this embodiment, two sets of openings are provided on the housing 1, the openings correspond to the positions of the channels 21 on the core 2, one set of openings is circumferentially set at the one-third height position of the housing 1, the other set of openings is circumferentially set at the two-third height position of the housing 1, each set of openings includes two liquid inlets 11 and one liquid outlet 12, the two liquid inlets 11 are symmetrically set, the liquid outlet 12 is disposed between the two liquid inlets 11, and is ninety degrees set with each liquid inlet 11, when the internal core 2 rotates, the channels 21 of the core 2 coincide with the liquid inlets 11 and the liquid outlet 12, and the conversion of the fluid control channels 21 is completed. The above-mentioned channel 21 may be provided as other types of channels 21 as long as the channel 21 corresponds to the opening on the housing 1, and the openings on the housing 1 may be provided with different numbers of openings as long as the channel 21 on the core 2 can correspond to the opening position on the housing 1 after rotating. The liquid inlet 11 and the liquid outlet 12 are both connected with a pipeline 13, and a flange plate is arranged at the end part of the pipeline 13 and is used for being connected with other equipment.

Referring to fig. 3, the sealing ring 24 is used for preventing liquid leakage when the core 2 rotates, and since the core 2 rotates frequently, in the embodiment, the sealing ring 24 is a fluorine-coated sealing ring 24, the friction coefficient of the fluorine-coated sealing ring 24 is low, the service life is longer, and therefore the maintenance time interval of the fluorine-coated sealing ring 24 is longer.

Fixedly connected with axis of rotation 25 is put at the central point of the upper surface of core 2, this axis of rotation 25 is used for supplying drive arrangement 4 to drive core 2 and rotates, accomplish the function of automatically regulated core 2 passageway 21 position, both ends all are provided with annular notch 28 about core 2, this annular notch 28 sets up along the circumference of core 2, the annular notch 28 at both ends about core 2 is used for placing the wear-resisting 26 rings of fitting with a contraceptive ring in location and the wear-resisting lower ring 27 in location respectively, the wear-resisting 26 rings of fitting with a contraceptive ring in location and the wear-resisting lower ring 27 in location contact with the inner wall of core 2 and casing 1 respectively, accomplish and extrude core 2, thereby guarantee the function of location in casing 1 when core 2 rotates.

Referring to fig. 1 and 2, flanges are also provided at two ends of the housing 1 in the length direction, wherein the flange at the upper end is used for being fixedly connected with a controller upper cover 31, the flange at the lower end is connected with a controller lower cover 32, a driving device 4 is provided on the controller upper cover 31, the driving device 4 can be a pneumatic or electric driving device 4, as long as the driving device can drive the rotating shaft 25 to rotate, in this embodiment, a servo motor is preferred, the rotating shaft 25 is connected with an output shaft of the servo motor, a rotating program is preset in a servo control card of the servo motor, the rotating program controls the core 2 to rotate clockwise and counterclockwise by ninety degrees, and an operator can directly control the servo motor to control the rotation of the core 2, so as to achieve the purpose that the channel 21 of the core 2 coincides with the opening of the housing 1.

The rotation angle is preset by the driving device 4, so that the closing, opening and switching of the fluid channels 21 at multiple positions can be automatically controlled in a remote/process mode, and the on-off errors caused by misoperation can be greatly avoided. Due to the adoption of the pressure balance design of the fluorine-coated sealing ring 24 with low friction coefficient and the controller core body 2, the opening and closing torque of the controller is reduced. And because the coefficient of friction of sealing washer 24 is lower, later maintenance interval time can lengthen, reduces and maintains the number of times. The structure of the invention is easy to maintain, and the quantity of valves used at ordinary times can be greatly reduced, and simultaneously the purposes of saving human resources and cost can be achieved.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A multi-channel fluid controller, characterized by: including casing (1) of controller and core (2) of controller, core (2) set up in casing (1) and rotate with casing (1) and be connected, at least one passageway (21) that are used for supplying the liquid circulation have been seted up on core (2), passageway (21) have at least two circulation mouth (22), be provided with at least three opening on casing (1), core (2) rotate the back at least two circulation mouth (22) of passageway (21) with wherein two openings coincidence of casing (1).

2. The multi-channel fluid controller of claim 1, wherein: every circulation mouth (22) all is provided with sealed recess (23) all around, sealed recess (23) set up and are being located core (2) surface around circulation mouth (22) position all around, sealed recess (23) are embedded to be equipped with sealing washer (24).

3. The multi-channel fluid controller of claim 2, wherein: the sealing ring (24) is a fluorine-coated sealing ring (24).

4. The multi-channel fluid controller of claim 1, wherein: the upper and lower both ends of core (2) all are provided with annular gap (28), annular gap (28) set up along the circumference of core (2), annular gap (28) at the upper and lower both ends of core (2) are used for placing location wear-resisting upper ring (26) and location wear-resisting lower ring (27) respectively.

5. The multi-channel fluid controller of claim 1, wherein: the center position of the upper surface of the core body (2) is fixedly connected with a rotating shaft (25).

6. The multi-channel fluid controller of claim 1, wherein: the device also comprises a driving device (4) for driving the rotating shaft (25) to rotate.

7. The multi-channel fluid controller of claim 1, wherein: passageway (21) set up to two, every circulation mouth (22) direction of two circulation mouths (22) of passageway (21) is ninety degrees, be provided with two sets of openings on casing (1), every group the opening includes two inlet (11) and one liquid outlet (12), two respectively inlet (11) symmetry sets up, liquid outlet (12) set up between two inlet (11), liquid outlet (12) all become the ninety degree setting with every inlet (11).

8. The multi-channel fluid controller of claim 1, wherein: the two ends of the shell (1) in the length direction are also provided with flange plates, wherein the flange plate at the upper end is used for being fixedly connected with an upper controller cover (31), and the flange plate at the lower end is connected with a lower controller cover (32).