Direct-driven digital valve

Abstract

The utility model discloses a direct-drive digital valve which comprises a digital valve body, one end of the digital valve body is fixedly connected with a first branch valve box, one end of the digital valve body is fixedly connected with a second branch valve box, a valve cylinder is rotationally connected in the first branch valve box, the inner wall of the valve cylinder is fixedly connected with a limiting inserting piece, and through openings are symmetrically formed in the two sides of the valve cylinder. A filtering mechanism is arranged in the valve cylinder; a fixing mechanism is arranged at the top of the valve cylinder; fluid enters the first branch valve box through a pipeline and a flange and flows into the valve cylinder through a through opening, impurities are filtered out through the filter screen piece, and when the filter screen piece is replaced, the threaded fastener is loosened, the indication grab handle is rotated to enable the non-opening side of the valve cylinder to block the fluid, the threaded sealing cover, the connecting disc and the like are taken down, and the filter screen piece is replaced by a new one. According to the mode, other pipelines and the digital valve body do not need to be disassembled, operation is easy and convenient, complex tools and professional skills are not needed, cost is reduced, efficiency is improved, and workload and operation difficulty are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to digital valve equipment technical field, concretely is a kind of direct drive digital valve. BACKGROUND

[0002] Direct drive digital valve is a new type of hydraulic control element, it uses advanced digital control technology, directly drives valve core action, compared with traditional valve, it discards complex mechanical transmission structure, the position of valve core is accurately controlled by electronic signal, realizes the high-precision regulation of fluid flow, pressure and the like parameters.

[0003] In the valve body of direct drive digital valve, filter structure is usually provided, the impurities in medium are intercepted outside the valve body, to ensure that the medium entering valve core and flow passage is clean. Like the cross double filter structure of a kind of digital balance valve of Chinese patent document (announcement number:CN217220506U, this patent although two clamping rods are pinched inward, make clamping rod retract into chamber, then ring and connecting column are extracted, make filter screen be quickly disassembled, avoid the impurities of filter screen to gather more, influence normal filtration of filter screen.

[0004] But this way has certain deficiency, when replacing filter screen structure, the external connecting structure or pipeline connected with connecting disc needs to be disassembled, to disassemble and replace filter screen structure, still can increase certain operation step and complexity, disassembly and reinstallation process is time-consuming, can make equipment downtime to be extended. UTILITY MODEL CONTENT

[0005] The utility model aims at: in order to solve above existing problem, provide a kind of direct drive digital valve.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of direct drive digital valve, comprising: digital valve body, the digital valve body one end is fixedly connected with valve box one, the digital valve body one end is fixedly connected with valve box two, the valve box one inside is rotatably connected with valve barrel, the valve barrel inner wall is fixedly connected with limit plug, the valve barrel both sides are symmetrically provided with through hole, the valve barrel inside is equipped with filter mechanism, the valve barrel top is equipped with fixed mechanism.

[0007] As the further scheme of the utility model: the valve box one side is fixedly connected with pipeline, the pipeline one end is fixedly connected with flange, the pipeline and the flange number are equipped with two groups, another group of the pipeline is fixedly connected on valve box two one side.

[0008] As a further scheme of the utility model: the filter mechanism includes a threaded sealing cover, a connecting disc and a threaded connecting block, the threaded sealing cover is threadedly connected to the upper end of the inner side of the valve cylinder, the connecting disc is slidably connected to the inner side of the valve cylinder, and the threaded connecting block is fixedly connected to the middle end above the connecting disc.

[0009] As a further scheme of the utility model: the fixing mechanism includes an indicating handle, a through hole and a threaded fastener, the indicating handle is fixedly connected to one end of the top of the valve cylinder, the through hole is arranged at the top of the indicating handle, the threaded fastener is arranged at one end of the indicating handle, and the other end of the threaded fastener is threadedly connected to the valve box two through the through hole.

[0010] As a further scheme of the utility model: the valve cylinder, the filter mechanism and the fixing mechanism are both provided with two groups, and the other valve cylinder is arranged in the valve box two.

[0011] As a further scheme of the utility model: the threaded connecting block is threadedly connected to the threaded sealing cover, a plurality of groups of filter screens are arranged, and the filter screens are symmetrically arranged at the bottom of the connecting disc.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] In the utility model, fluid enters the valve box one through the pipeline and the flange, flows into the valve cylinder through the through hole, and is filtered by the filter screen to ensure the cleanliness of the subsequent system fluid; when the filter screen is replaced, the threaded fastener is loosened, the indicating handle is rotated to drive the valve cylinder to rotate, the opening-free side is aligned with the fluid through hole to block the fluid, the handle is rotated to remove the threaded sealing cover, then the connecting disc, the threaded connecting block and the filter screen are removed, and a new one is replaced; during installation, the filter screen is inserted into the limiting plug for positioning, the threaded sealing cover is tightly connected with the valve cylinder and the threaded connecting block, the indicating handle is rotated to reset the valve cylinder, the threaded fastener is used for fixing, and the dismounting and mounting are completed; in this way, the filter screen can be quickly and conveniently replaced without the need of dismounting other fluid pipelines and the digital valve body, complex tools and professional skills, maintenance cost and time, complicated dismounting and mounting processes, work load and operation difficulty, and maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is a structure schematic view of the pipeline in the utility model;

[0016] Figure 3It is the structure schematic view of the first valve box in the utility model.

[0017] Figure 4 It is the structure schematic view of the limiting insert in the utility model.

[0018] Figure 5 It is the structure schematic view of the filtering mechanism in the utility model. Figure 6 It is the structure schematic view of the fixing mechanism in the utility model.

[0019] In the drawing: 1, digital valve body; 2, first valve box; 3, second valve box; 4, valve cylinder; 5, limiting insert; 6, through hole; 7, filtering mechanism; 701, threaded sealing cover; 702, connecting disc; 703, threaded connecting block; 704, handle; 705, filter screen; 8, fixing mechanism; 801, indicating handle; 802, through hole; 803, threaded fastener; 9, pipeline; 10, flange. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawing, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The embodiments will be described below according to the overall structure of the utility model.

[0022] Reference Figures 1 to 6The utility model discloses an embodiment of a kind of direct drive digital valve, comprising: digital valve body 1, as the center structure of entire direct drive digital valve, for prior art, digital valve body 1 one end is fixedly connected with valve box one 2, digital valve body 1 one end is fixedly connected with valve box two 3, valve box one 2 inside is rotatably connected with valve cylinder 4, provide mounting space for valve cylinder 4 by valve box one 2, the inner wall of valve cylinder 4 is fixedly connected with limiting insert 5, for positioning to filter structure, valve cylinder 4 both sides are symmetrically provided with through hole 6, it is the passage of fluid into and out of valve cylinder 4, filter mechanism 7 is equipped in valve cylinder 4, fixed mechanism 8 is equipped at the top of valve cylinder 4, valve cylinder 4, filter mechanism 7 and fixed mechanism 8 all have two groups, another group of valve cylinder 4 is arranged in valve box two 3 inside.

[0023] Referring to Figure 1 and Figure 2 , pipe 9 one side is fixedly connected with flange 10, pipe 9 and flange 10 all have two groups, another group of pipe 9 is fixedly connected on valve box two 3 one side, fluid enters valve box one 2 by pipe 9 and flange 10.

[0024] Referring to Figure 1 、 Figure 2 and Figure 5 , filter mechanism 7 includes threaded sealing cover 701, connecting disc 702 and threaded connecting block 703, threaded sealing cover 701 is screwed on the inside upper end of valve cylinder 4, connecting disc 702 is slidably connected to the inside of valve cylinder 4, threaded connecting block 703 is fixedly connected to the middle end above connecting disc 702;Handle 704 and filter screen 705, handle 704 is fixedly connected to the middle end above threaded sealing cover 701, filter screen 705 is fixedly connected to the bottom of connecting disc 702, filter screen 705 is slidably connected to limiting insert 5, threaded connecting block 703 is screwed with threaded sealing cover 701, filter screen 705 has multiple groups, symmetrically arranged at the bottom of connecting disc 702, fluid flows into valve cylinder 4 through through hole 6, filter screen 705 filters impurities in fluid when fluid passes through filter screen 705, when filter screen 705 is disassembled and replaced, threaded sealing cover 701 is rotated by handle 704, and then it is removed, then connecting disc 702, threaded connecting block 703 and filter screen 705 are also removed, which completes the disassembly of filter screen 705, then new connecting disc 702, threaded connecting block 703 and filter screen 705 can be replaced, when installing, filter screen 705 is inserted into limiting insert 5, which ensures stable installation and accurate positioning of filter screen 705 in valve cylinder 4, prevents displacement under fluid impact, the connection between threaded sealing cover 701 and valve cylinder 4 not only ensures sealing, but also connects threaded connecting block 703 when tightening, which further fixes connecting disc 702 and filter screen 705.

[0025] Referring to Figure 1 ,Figure 2 and Figure 6 The fixing mechanism 8 comprises an indicating handle 801, a through hole 802 and a threaded fastener 803, the indicating handle 801 is fixedly connected to one end of the top of the valve cylinder 4, the through hole 802 is arranged on the top of the indicating handle 801, and the threaded fastener 803 is arranged on one end of the indicating handle 801 and is threadedly connected to the fluid passage of the first valve box 2 through the through hole 802 on the other end. By holding the indicating handle 801 and rotating, the valve cylinder 4 is driven to rotate until the side without the opening of the valve cylinder 4 is located at the fluid passage of the first valve box 2 to block the fluid, and then the dismounting and mounting operations can be performed.

[0026] The working principle of the utility model is as follows: in use, the fluid enters the first valve box 2 through the pipeline 9 and the flange 10, and then flows into the valve cylinder 4 through the through port 6. When the filter screen 705 is removed and replaced, the threaded fastener 803 is loosened and removed, the fixed state of the valve cylinder 4 and the digital valve body 1 is released, then the indicating handle 801 is held and rotated, the valve cylinder 4 is driven to rotate until the side without the opening of the valve cylinder 4 is located at the fluid passage of the first valve box 2 to block the fluid, then the handle 704 is rotated to loosen the threaded sealing cover 701, and the threaded sealing cover 701 is removed, and then the connecting disc 702, the threaded connecting block 703 and the filter screen 705 are also removed, so that the filter screen 705 is dismounted. Then, the connecting disc 702, the threaded connecting block 703 and the filter screen 705 are replaced. In mounting, the filter screen 705 is inserted into the limiting plug-in part 5 to ensure the stable mounting and accurate positioning of the filter screen 705 in the valve cylinder 4, prevent displacement of the filter screen 705 under the impact of the fluid, and connect the threaded sealing cover 701 and the valve cylinder 4. The connection not only ensures the sealing property, but also connects the threaded connecting block 703 when the threaded sealing cover 701 is tightened, further fixes the connecting disc 702 and the filter screen 705, rotates the indicating handle 801 to drive the valve cylinder 4 to reset, and then fixes the threaded fastener 803, so that the overall dismounting and mounting operation is completed. The mode can quickly and conveniently replace the filter screen 705 without dismounting other fluid pipelines and the digital valve body 1, does not require complex tools and professional skills, reduces the maintenance cost and time, avoids the cumbersome dismounting and reinstallation process, reduces the workload and operation difficulty, and improves the maintenance efficiency.

[0027] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A direct drive digital valve characterized by, Include: Digital valve body (1), one end of the digital valve body (1) is fixedly connected with the valve box one (2), the digital valve body (1) one end is fixedly connected with the valve box two (3), the valve box one (2) is rotatably connected with the valve cylinder (4) in the inside, the valve cylinder (4) inner wall is fixedly connected with the limiting plug (5), the valve cylinder (4) both sides are symmetrically provided with through hole (6), the valve cylinder (4) is equipped with filter mechanism (7) in the inside, the valve cylinder (4) top is equipped with fixed mechanism (8).

2. A direct drive digital valve according to claim 1, wherein, The pipe (9) one end is fixedly connected with the flange (10), the pipe (9) and the flange (10) number are provided with two groups, another group of pipe (9) is fixedly connected on the valve box two (3) one side.

3. A direct drive digital valve according to claim 1, wherein, The filter mechanism (7) includes: screw seal cover (701), connecting disc (702) and threaded connecting block (703), the screw seal cover (701) is screwed on the inside upper end of valve cylinder (4), the connecting disc (702) is slidably connected in the inside of valve cylinder (4), the threaded connecting block (703) is fixedly connected on the middle end above connecting disc (702); Handle (704) and filter screen (705), the handle (704) is fixedly connected on the middle end above screw seal cover (701), the filter screen (705) is fixedly connected on the bottom of connecting disc (702), the filter screen (705) is movably inserted with the limiting plug (5).

4. A direct drive digital valve according to claim 1, wherein, The fixed mechanism (8) includes: indicating handle (801), through hole (802) and threaded fastener (803), the indicating handle (801) is fixedly connected on the top one end of valve cylinder (4), the through hole (802) is provided on the top of indicating handle (801), the threaded fastener (803) is provided on one end of indicating handle (801), the threaded fastener (803) is threaded on the other end of the through hole (802) and the valve box one (2).

5. A direct drive digital valve according to claim 1, wherein, The valve cylinder (4), the filter mechanism (7) and the fixed mechanism (8) number are provided with two groups, another group of valve cylinder (4) is arranged in the inside of valve box two (3).

6. A direct drive digital valve according to claim 3, wherein, The threaded connecting block (703) is screwed with the screw seal cover (701), the filter screen (705) is provided with multiple groups, which is symmetrically arranged on the bottom of connecting disc (702).

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