Reversing valve for conveying powder particles

Abstract

The utility model belongs to the technical field of reversing valve equipment, and relates to a reversing valve for powder particle conveying, which comprises a driving device and a valve body detachably mounted below the driving device, a power interface is arranged at one end of the driving device and used for being connected with an external power supply, and a plurality of communication interfaces are arranged on the valve body and used for being matched with powder particle conveying operation. The driving device is movably connected with a connecting column on the valve body through a connecting block, and a sealing piece is arranged between the connecting column and the connecting block. According to the utility model, the interior of the device can still be stably sealed after long-time continuous operation, powder particles are prevented from overflowing under high-frequency vibration of the operation of the driving device and the valve body, and the stability of the operation of the device is improved; when the equipment needs to be maintained regularly, the equipment can be directly disassembled, and the interior of the equipment is cleaned, so that the maintenance operation is facilitated; therefore, the device has the advantages of simple structure, stability, reliability, improved air tightness, convenience in disassembly and maintenance and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of reversing valve equipment, and in particular relates to a reversing valve for powder and particle conveying. Background Art

[0002] The reversing valve is a directional control valve with more than two flow forms and more than two outlets; it is a valve that realizes the communication, cutting and reversing of the medium flow direction, as well as pressure unloading and sequential action control; it is a directional control valve that relies on the relative movement of the valve core and the valve body. There are two types of rotary valves and sliding valves. According to the number of working positions where the valve core stays in the valve body, it is divided into two-position and three-position; according to the number of outlets connected to the valve body, it is divided into two-way, three-way, four-way and six-way; the ways to operate the valve core movement include manual, motorized, electric, hydraulic, electro-hydraulic and other types.

[0003] The prior art has the following deficiencies: the prior art "speed regulating reversing valve for conveying powder and granular materials" with publication number CN219102097U "includes a valve body, a valve core and a driving device, the valve core includes a fixed shaft and a fan-shaped plate, the fixed shaft is rotatably connected to the center of the valve body, and the fan-shaped plate is fixedly installed on the fixed shaft; the driving device is installed on the top of the valve body and includes a driving unit and a transmission unit, the driving unit is connected to the transmission unit, and the transmission unit is connected to the fixed shaft"; the above structure uses a fan-shaped plate through the valve core, and when adjusted by the driving device, the flow rate of the powder and granular body can be adjusted in cooperation with the valve body according to the opening and closing angle of the fan-shaped plate. The connection position of the valve body structure and the driving device in the equipment structure is not specially processed, so the following problems will occur:

[0004] 1. The current reversing valve for powder and particle conveying has no special sealing treatment between the drive structure and the valve body structure. Therefore, when the valve body vibrates during operation, the internal material may overflow, causing unstable operation of the equipment;

[0005] 2. The current reversing valve for powder and particle conveying has an integrated structure design, so it is not easy to disassemble the interior, making it inconvenient to perform regular maintenance and cleaning on the interior of the valve body. Utility Model Content

[0006] The utility model aims to solve the defects and shortcomings in the prior art and designs a powder conveying reversing valve which has a simple structure, is stable and reliable, is easy to disassemble and has improved sealing performance.

[0007] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a reversing valve for powder and particle conveying, including a driving device and a valve body detachably installed below the driving device, the driving device is movably connected to a connecting column on the valve body through a connecting block, and a sealing member is provided between the connecting column and the connecting block.

[0008] Preferably, a power interface is provided at one end of the driving device.

[0009] Preferably, the connecting block is snap-connected to the bottom of the driving device.

[0010] Preferably, a connecting groove for cooperating with the connecting column is provided on the connecting block, and the connecting groove is arranged through the upper and lower ends of the connecting block.

[0011] Preferably, a plurality of positioning holes are further provided at one end of the connection block close to the valve body, and the plurality of positioning holes are evenly spaced and distributed along the circumferential direction of the connection groove.

[0012] Preferably, the interior of the connecting column is connected from top to bottom, and the bottom is welded and fixed to the valve body. A magnetic ring is provided at the upper end of the connecting column, and at least two groups of rubber rings are sleeved on the outer circumference of the connecting column.

[0013] Preferably, a plurality of fixing bolts cooperating with the plurality of positioning holes are distributed on the outer circumference of the connecting column, and the fixing bolts penetrate to the upper end of the valve body and are movably connected to the valve body.

[0014] Preferably, the rubber ring is fixed to the outer circumference of the connecting column via an adhesive layer.

[0015] Preferably, the valve body is designed as an integrated structure, a plurality of connecting interfaces are arranged on the valve body, and the outer wall of the valve body is plated with an anti-corrosion coating.

[0016] After adopting the above technical solution, the reversing valve for powder delivery provided by the utility model has the following beneficial effects:

[0017] (1) The utility model is provided with a connection block, a connection column and a rubber ring. When the device is powered on and installed to start operation, the communication interface as the external connection channel of the valve body needs to be connected to the external structure. During the powder and particle conveying process, the two groups of rubber rings arranged on the periphery of the connection column can increase the air tightness and effectively seal the connection part between the driving device and the valve body. The above arrangement can ensure that the internal sealing of the device remains stable after long-term continuous operation, preventing the powder from overflowing under the high-frequency vibration of the driving device and the valve body, thereby improving the stability of the device operation.

[0018] (2) The utility model is provided with a connecting block and a connecting column. When the device needs internal maintenance and cleaning, the operator can remove the fixing bolt from the positioning hole and then pull the connecting column out of the connecting block to separate the device into two parts, the drive device and the valve body. The above-mentioned arrangement and process can enable the device to be directly disassembled and the interior cleaned when regular maintenance is required, thereby facilitating maintenance operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1This is a schematic diagram of the structure of a reversing valve for powder and particle delivery according to the utility model;

[0020] Figure 2 It is a structural schematic diagram of the valve body in the utility model;

[0021] Figure 3 It is a structural schematic diagram of the connecting block in the utility model;

[0022] Figure 4 It is a structural schematic diagram of the connecting column in the utility model.

[0023] Among them: driving device 1, power interface 2, connecting block 3, connecting groove 301, positioning hole 302, valve body 4, connecting interface 5, connecting column 6, magnetic ring 601, rubber ring 602, fixing bolt 603. DETAILED DESCRIPTION

[0024] The present invention is further described clearly and completely below in conjunction with the accompanying drawings and specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0026] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps described in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0027] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0028] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0029] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0030] The utility model discloses a reversing valve for powder and particle conveying, such as Figure 1-4 As shown, it includes a driving device 1 and a valve body 4 detachably mounted below the driving device 1. One end of the driving device 1 is provided with a power interface 2 for connecting to an external power source. A plurality of connecting interfaces 5 are provided on the valve body 4 for cooperating in powder and particle conveying operations.

[0031] The driving device 1 is movably connected to the connecting column 6 on the valve body 4 through the connecting block 3, and a sealing member is provided between the connecting column 6 and the connecting block 3. Specifically, the connecting block 3 is snapped into the bottom of the driving device 1, and a connecting groove 301 is provided on the connecting block 3 to cooperate with the connecting column 6. The connecting groove 301 is arranged through the upper and lower ends of the connecting block 3, and the size of the connecting groove 301 can be adjusted to match the size of the valve body 4. A plurality of positioning holes 302 are also provided at one end of the connecting block 3 close to the valve body 4, and the plurality of positioning holes 302 are evenly spaced along the circumferential direction of the connecting groove 301.

[0032] The interior of the connecting column 6 is penetrated from top to bottom, and its bottom is welded and fixed to the valve body 4. A magnetic ring 601 is provided at the upper end of the connecting column 6, and at least two groups of rubber rings 602 are sleeved on the outer circumference of the connecting column 6. A plurality of fixing bolts 603 arranged in cooperation with a plurality of positioning holes 302 are distributed upward on the outer circumference of the connecting column 6. The fixing bolts 603 penetrate to the upper end of the valve body 4 and are movably connected to the valve body 4.

[0033] When the rubber ring 602 is installed and fixed for the first time, an adhesive layer needs to be brushed on the periphery of the connecting column 6. After the rubber ring 602 contacts the adhesive layer, it needs to be left to solidify before use. By using the adhesive layer for connection first, it can be ensured that the rubber ring 602 can be stably connected. There is no limit to the number of connecting interfaces 5 on the valve body 4, which can be adjusted according to actual needs. The valve body 4 is an integrated structure design, and its outer wall is coated with an anti-corrosion coating.

[0034] When the reversing valve for powder and particle conveying of the utility model is used, the communication interface 5 as the external connection channel of the valve body 4 needs to establish a connection with the external structure. In the process of powder and particle conveying, the two groups of rubber rings 602 arranged on the periphery of the connecting column 6 can increase the air tightness and effectively seal the connection part between the driving device 1 and the valve body 4; when the equipment needs to be maintained and cleaned internally, the operator can remove the fixing bolt 603 from the positioning hole 302, and then pull the connecting column 6 out of the connecting block 3, so as to separate the equipment into two parts, namely the driving device 1 and the valve body 4, and then carry out cleaning and maintenance.

[0035] In summary, the reversing valve for powder and particle conveying provided by the utility model has the advantages of simple structure, stability and reliability, improved air tightness, and easy disassembly and maintenance. It has great market value and is worthy of wide promotion and application.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A reversing valve for powder delivery, characterized in that: The invention comprises a driving device (1) and a valve body (4) detachably mounted below the driving device (1); the driving device (1) is movably connected to a connecting column (6) on the valve body (4) via a connecting block (3); and a sealing member is provided between the connecting column (6) and the connecting block (3).

2. A reversing valve for powder delivery according to claim 1, characterized in that: A power supply interface (2) is provided at one end of the driving device (1).

3. A reversing valve for powder delivery according to claim 1, characterized in that: The connecting block (3) is clamped on the bottom of the driving device (1).

4. A reversing valve for powder delivery according to claim 1, characterized in that: The connection block (3) is provided with a connection groove (301) for connecting with the connection column (6), and the connection groove (301) is arranged through the upper and lower ends of the connection block (3).

5. A reversing valve for powder delivery according to claim 4, characterized in that: A plurality of positioning holes (302) are also provided at one end of the connection block (3) close to the valve body (4), and the plurality of positioning holes (302) are evenly spaced and distributed along the circumferential direction of the connection groove (301).

6. A reversing valve for powder delivery according to claim 5, characterized in that: The interior of the connecting column (6) is connected from top to bottom, and its bottom is welded and fixed to the valve body (4). A magnetic ring (601) is provided at the upper end of the connecting column (6), and at least two groups of rubber rings (602) are sleeved on the outer circumference of the connecting column (6).

7. A reversing valve for powder delivery according to claim 6, characterized in that: A plurality of fixing bolts (603) arranged in cooperation with the plurality of positioning holes (302) are also distributed on the outer circumference of the connecting column (6); the fixing bolts (603) penetrate to the upper end of the valve body (4) and are movably connected to the valve body (4).

8. A reversing valve for powder delivery according to claim 6, characterized in that: The rubber ring (602) is fixed to the outer circumference of the connecting column (6) via an adhesive layer.

9. A reversing valve for powder delivery according to claim 1, characterized in that: The valve body (4) is of an integrated structural design, a plurality of communication interfaces (5) are arranged on the valve body (4), and the outer wall of the valve body (4) is plated with an anti-corrosion coating.

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