CN217296380U

CN217296380U - Novel air conveying chute baffle valve structure

Info

Publication number: CN217296380U
Application number: CN202220795689.1U
Authority: CN
Inventors: 谢伯侠; 张新平; 陈小亮
Original assignee: Changsha Runda Intelligent Equipment Co ltd
Current assignee: Changsha Runda Intelligent Equipment Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-08-26
Anticipated expiration: 2032-04-07

Abstract

The utility model discloses a novel air conveying chute flapper valve structure, include: the tank body is internally provided with a channel for material circulation; the valve body comprises a partition plate, a baffle and a driving structure for driving the baffle to lift, the partition plate is arranged in the middle of the valve body so as to divide the interior of the valve body into an upper chamber and a lower chamber, the baffle is movably arranged in a penetrating mode in a lifting mode, and the driving structure is used for driving the baffle to lift so as to open or close a channel. According to the novel air conveying chute baffle valve structure provided by the embodiment of the utility model, the structure is simple and convenient to operate, and the baffle adopts a lifting structure, so that the baffle can intercept fluid or powdery materials when the chute body conveys the fluid or powdery materials; the valve body is made of transparent materials, and the opening degree of the valve body can be visually observed.

Description

Novel air delivery chute flapper valve structure

Technical Field

The utility model relates to a material conveying equipment technical field especially relates to a novel air conveying chute flapper valve structure.

Background

The air conveying chute is a continuous pneumatic conveying device for obliquely and downwardly conveying dry powdery materials (such as cement, raw meal, fly ash, flour, talcum powder, phosphate rock powder and the like). Because the air conveying chute has no moving parts in the process of conveying materials, compared with a rubber belt conveyor, a spiral conveyor and a scraper conveyor with the same power, the air conveying chute has the advantages of less abrasion, easiness in maintenance, less power consumption, material saving, no noise, safety and reliability in operation, easiness in changing the material flow direction, capability of feeding and discharging at multiple points and the like, and therefore the air conveying chute is adopted by many enterprises in recent years.

The air delivery chute is typically provided with valves to control the rate of feed in the chute. At present, most of valve structures are that a baffle plate is arranged in a groove body in a penetrating way, and the size of an opening of the baffle plate is adjusted by rotating an outer handle of the groove body; because the baffle needs to rotate in the groove body flexibly, a gap needs to be reserved between the baffle and the groove body, and particularly when the conveyed materials are powder, the valve body only can play a role in controlling the flow rate but cannot play a role in intercepting.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a novel air delivery chute flapper valve structure, simple structure, leakproofness are good, can realize damming to the chute feeder.

According to the utility model discloses novel air conveying chute flapper valve structure, include: the tank body is internally provided with a channel for material circulation; the valve body, including division board, baffle and drive the drive structure that the baffle goes up and down, the division board is located the valve body middle part is in order to divide into cavity and lower cavity with valve body inside, baffle lift activity wears to locate the division board, the drive structure is used for the drive the baffle goes up and down in order to open or close the passageway.

According to the utility model discloses novel air delivery chute flapper valve structure has following technological effect at least: the structure is simple and convenient to operate, and the baffle adopts a lifting structure, so that the baffle can intercept fluid or powdery materials when the tank body conveys the fluid or the powdery materials; the valve body is divided into an upper chamber and a lower chamber by a partition plate, so that the material can be effectively prevented from being diffused into the air.

According to some embodiments of the utility model, go up the cavity with the cavity is sealed cavity down, the division board is provided with movable seal structure in order to cut off go up the cavity with the intercommunication of cavity down.

According to the utility model discloses a some embodiments, the division board is provided with the confession the bar hole that the baffle passed, movable seal structure locates bar hole both sides.

According to some embodiments of the utility model, the movable sealing structure includes rubber slab and clamp plate, the clamp plate with division board threaded connection, the rubber slab is located the division board with between the clamp plate, be used for with the baffle contact.

According to some embodiments of the present invention, the driving structure comprises a screw rod and a hand wheel, the screw rod is partially installed in the upper chamber and is in transmission connection with the baffle; the hand wheel is arranged on the top of the valve body and connected with one end, far away from the baffle, of the screw rod.

According to some embodiments of the present invention, the top of the upper chamber is provided with a mounting hole for the screw rod to pass through, and the hand wheel is mounted on the periphery of the mounting hole; and a connecting seat is arranged on one side of the baffle, and is provided with a threaded hole for being in transmission connection with the screw rod.

According to the utility model discloses a some embodiments, install the sleeve in the mounting hole, the sleeve part is worn to locate in the mounting hole, the lead screw is worn to locate sleeve and axial fixity, the hand wheel install in the sleeve.

According to some embodiments of the utility model, the sleeve inner wall is provided with the sealing washer, the lead screw is worn to locate in the sealing washer.

According to some embodiments of the present invention, a sidewall of the upper chamber is formed of a transparent material.

According to some embodiments of the present invention, the upper chamber is further connected to an air supply pipe, the air supply pipe is communicated with compressed air, so that the air pressure in the upper chamber is greater than that in the lower chamber; the air feed pipe is provided with a control valve.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of an installation structure of an embodiment of the present invention;

fig. 2 is a front view of an embodiment of the invention;

FIG. 3 is an enlarged view at A in FIG. 1;

FIG. 4 is an enlarged view at B in FIG. 1;

FIG. 5 is a schematic diagram of a prior art valve;

fig. 6 is a sectional view taken along line C-C in fig. 5.

Reference numerals are as follows:

a tank body 100, a channel 110 and a main gas pipe 120;

the valve comprises a valve body 200, an upper chamber 201, a lower chamber 202, a partition plate 210, a strip-shaped hole 211, a baffle 220, a connecting seat 221, a driving structure 230, a screw rod 231, a hand wheel 232, a movable sealing structure 240, a rubber plate 241, a pressure plate 242, a mounting hole 250, a sleeve 251 and a sealing ring 252;

a gas feed pipe 300, and a control valve 310.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the utility model discloses a novel air delivery chute flapper valve structure, include: the tank 100 is provided with a passage 110 for the material to flow through.

The valve body 200 comprises a partition plate 210, a baffle 220 and a driving structure 230 for driving the baffle 220 to lift, the partition plate 210 is arranged in the middle of the valve body 200 to divide the interior of the valve body 200 into an upper chamber 201 and a lower chamber 202, the lower chamber 202 is communicated with the passage 110, the baffle 220 is movably arranged through the partition plate 210 in a lifting mode, and the driving structure 230 is used for driving the baffle 220 to lift to open or close the passage 110. As shown in fig. 1 and 5, the tank 100 is tubular, the tank 100 is hollow, as shown in fig. 5 and 6 in the prior art, a valve for controlling the opening degree of the tank 100 is similar to a butterfly valve, and the flow rate of the material in the channel 110 is controlled by the opening degree of a handle outside the tank 100, but this control method has a problem that it is difficult to completely intercept the powdery material so as to observe the state of the internal baffle 220, for example, after a long time use, there may be a situation that the external indicating handle indicates that the baffle 220 is completely closed, but the baffle 220 is not actually closed, so there is still room for improvement.

According to the flapper valve structure of the embodiment of the present invention, the flapper 220 adopts a lifting structure, so that the flapper 220 can intercept fluid or powdery material when the tank body 100 is used for conveying the fluid or the powdery material; the valve body 200 is divided into the upper chamber 201 and the lower chamber 202 by the partition plate 210, and the material can be effectively prevented from being diffused into the air.

In some embodiments of the present invention, the upper chamber 201 and the lower chamber 202 are sealed chambers, and the partition plate 210 is provided with a movable sealing structure 240 to separate the communication between the upper chamber 201 and the lower chamber 202. Specifically, as shown in fig. 1. The left side and the right side of the lower chamber 202 are fixedly connected with the tank body 100, such as bolted connection; and a gasket is arranged between the joint of the lower chamber 202 and the tank body 100 to seal the joint of the lower chamber 202 and the tank body 100. Because the lower chamber 202 is communicated with the channel 110 and is fixedly connected with the tank body 100, the lifting of the baffle 220 can open or close the circulation of the material in the channel 110.

Further, at least one of the left and right sides of the upper chamber 201 is transparent and made of a transparent material, such as a transparent acrylic plate or glass, so as to observe the opening of the baffle 220 and whether a part of the material enters the upper chamber 201.

In some embodiments of the present invention, the baffle 220 is partially located in the upper chamber 201, and partially located in the lower chamber 202, and the movable sealing structure 240 means that the baffle 220 is not affected by the lifting movement, and at the same time, the baffle can be sealed between the upper chamber 201 and the lower chamber 202, and the material in the lower chamber 202 enters the upper chamber 201.

In some embodiments of the present invention, the partition plate 210 is provided with a strip-shaped hole 211 for the baffle 220 to pass through, and the movable sealing structure 240 is disposed on both sides of the strip-shaped hole 211. The both sides herein mean that the movable sealing structures 240 are provided at the lower portion of the partition plate 210 and at the left and right sides of the strip hole 211.

In some embodiments of the present invention, the movable sealing structure 240 includes a rubber plate 241 and a pressing plate 242, the pressing plate 242 is screwed to the separation plate 210, and the rubber plate 241 is disposed between the separation plate 210 and the pressing plate 242 for contacting with the baffle 220. Specifically, as shown in fig. 4, the pressing plate 242 is connected below the rubber plate 241, the rubber plates 241 are disposed on both sides of the baffle 220, and the rubber plate 241 is in sealing contact with the baffle 220 to block the gap between the baffle 220 and the strip-shaped hole 211, so as to ensure that the material does not enter the upper chamber 201 from the gap between the baffle 220 and the strip-shaped hole 211.

In some embodiments of the present invention, the driving structure 230 includes a screw rod 231 and a hand wheel 232, the screw rod 231 is partially installed in the upper chamber 201 and is in transmission connection with the baffle 220; the handwheel 232 is installed on the top of the valve body 200 and connected with one end of the screw rod 231 far away from the baffle 220. Specifically, the screw rod 231 is rotatably installed in the upper chamber 201 around the axis thereof, the hand wheel 232 is fixedly connected or in transmission connection with the top of the screw rod 231, and the hand wheel 232 can drive the screw rod 231 to synchronously rotate by rotation. The lead screw 231 is connected with the baffle 220 in a transmission way, and the rotation of the lead screw 231 can drive the baffle 220 to lift up and down.

In some embodiments of the present invention, the top of the upper chamber 201 is provided with a mounting hole 250 for the lead screw 231 to pass through, and the hand wheel 232 is mounted on the periphery of the mounting hole 250; one side of the baffle 220 is provided with a connecting seat 221, and the connecting seat 221 is provided with a threaded hole for being in transmission connection with the screw rod 231. Specifically, as shown in fig. 2 and 3, the connecting seat 221 is disposed at the top of the baffle 220, and protrudes toward one side of the baffle 220, the connecting seat 221 is provided with a threaded hole, and the screw rod 231 is disposed in the threaded hole and is in transmission connection with the threaded hole. The rotating hand wheel 232 can drive the screw rod 231 to rotate synchronously, and the screw rod 231 can drive the baffle 220 to lift and fall through rotation.

In some embodiments of the present invention, a sleeve 251 is installed in the installation hole 250, the sleeve 251 is partially disposed through the installation hole 250, the lead screw 231 is disposed through the sleeve 251 and axially fixed, and the hand wheel 232 is installed on the sleeve 251. Specifically, as shown in fig. 3, the sleeve 251 includes a wide diameter portion and a narrow diameter portion, the narrow diameter portion is disposed in the mounting hole 250, the wide diameter portion is disposed on the valve body 200, the hand wheel 232 is connected to one end of the lead screw 231, and the hand wheel 232 is disposed on the top of the sleeve 251. The axial fixation of the screw 231 means: the peripheral wall of the screw rod 231 is provided with a radially protruding shaft shoulder which is abutted against the end part of the narrow-diameter section of the sleeve 251, the end part of the screw rod 231 is connected with the hand wheel 232, and the hand wheel 232 is abutted against the top part of the sleeve 251, so that the axial movement of the screw rod 231 is limited.

In some embodiments of the present invention, the inner wall of the sleeve 251 is provided with a sealing ring 252, and the lead screw 231 is disposed through the sealing ring 252. Specifically, as shown in fig. 1 and 3, the sleeve 251 is provided to facilitate the detachment and installation of the lead screw 231 and to facilitate the maintenance thereof; the sealing ring 252 is provided to seal the gap between the lead screw 231 and the sleeve 251, thereby ensuring the sealing of the upper chamber 201. The sealing ring 252 is a rubber material, typically an O-ring.

As shown in fig. 3, two sealing rings 252 are provided at an interval in the vertical direction, and the two sealing rings 252 can achieve a better sealing effect.

In some embodiments of the present invention, the upper chamber 201 is further connected to an air pipe 300, and the air pipe 300 is connected to compressed air, so that the air pressure in the upper chamber 201 is greater than that in the lower chamber 202; the air supply pipe 300 is provided with a control valve 310. Specifically, as shown in fig. 1, a main air pipe 120 is provided outside the tank body 100, and the air supply pipe 300 is communicated with the main air pipe 120 through a three-way valve provided in the main air pipe 120. The upper chamber 201 is in communication with the main gas tube 120, which enables the pressure in the upper chamber 201 to be higher than the lower chamber 202, so that even if the rubber plate 241 is degraded and cannot be completely sealed, the material entering the upper chamber 201 from the lower chamber 202 is limited. The control valve 310 is provided to facilitate control of the pressure in the upper chamber 201 so that it is not too high or too low.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A novel air delivery chute flapper valve structure, comprising:

the trough body (100) is internally provided with a channel (110) for material circulation;

valve body (200), including division board (210), baffle (220) and drive structure (230) that baffle (220) go up and down, division board (210) are located valve body (200) middle part is in order to divide into upper chamber (201) and lower chamber (202) with valve body (200) inside, baffle (220) go up and down the activity and wear to locate division board (210), drive structure (230) are used for the drive baffle (220) go up and down in order to open or close passageway (110).

2. A novel air delivery chute flapper valve structure as set forth in claim 1 wherein: the upper chamber (201) and the lower chamber (202) are both sealed chambers, and the partition plate (210) is provided with a movable sealing structure (240) to cut off the communication between the upper chamber (201) and the lower chamber (202).

3. A novel air delivery chute flapper valve structure as set forth in claim 2 wherein: the partition plate (210) is provided with a strip-shaped hole (211) for the baffle (220) to pass through, and the movable sealing structure (240) is arranged on two sides of the strip-shaped hole (211).

4. A novel air delivery chute flapper valve structure as claimed in claim 3 wherein: the movable sealing structure (240) comprises a rubber plate (241) and a pressing plate (242), the pressing plate (242) is in threaded connection with the separation plate (210), and the rubber plate (241) is arranged between the separation plate (210) and the pressing plate (242) and is used for being in contact with the baffle (220).

5. A novel air delivery chute flapper valve structure as set forth in claim 1 wherein: the driving structure (230) comprises a screw rod (231) and a hand wheel (232), and the screw rod (231) is partially arranged in the upper chamber (201) and is in transmission connection with the baffle (220); the hand wheel (232) is installed on the top of the valve body (200) and connected with one end, far away from the baffle (220), of the screw rod (231).

6. The novel air delivery chute flapper valve structure of claim 5 wherein: the top of the upper chamber (201) is provided with a mounting hole (250) for a screw rod (231) to pass through, and the hand wheel (232) is mounted on the periphery of the mounting hole (250); and a connecting seat (221) is arranged on one side of the baffle (220), and a threaded hole for transmission connection with the screw rod (231) is formed in the connecting seat (221).

7. The novel air delivery chute flapper valve structure of claim 6 wherein: a sleeve (251) is installed in the installation hole (250), the sleeve (251) is partially arranged in the installation hole (250) in a penetrating mode, the screw rod (231) is arranged in the sleeve (251) in a penetrating mode and is fixed in the axial direction, and the hand wheel (232) is installed on the sleeve (251).

8. A novel air delivery chute flapper valve structure as set forth in claim 7 wherein: the inner wall of the sleeve (251) is provided with a sealing ring (252), and the screw rod (231) is arranged in the sealing ring (252) in a penetrating mode.

9. A novel air delivery chute flapper valve structure as set forth in claim 1 wherein: one side wall of the upper chamber (201) is made of transparent materials.

10. A novel air delivery chute flapper valve structure as claimed in claim 1 wherein: the upper chamber (201) is also connected with an air feed pipe (300), and the air feed pipe (300) is communicated with compressed air so that the air pressure in the upper chamber (201) is greater than that in the lower chamber (202); the air supply pipe (300) is provided with a control valve (310).