Rotary valve with blades convenient to replace

Abstract

The utility model discloses a rotary valve with blades convenient to replace, and particularly relates to the technical field of rotary valves, the rotary valve comprises a valve casing, the top and the bottom of the valve casing are respectively communicated with a feed port and a discharge port, one end of the valve casing is detachably provided with a sealing disc, the sealing disc is provided with a driving motor, and the output end of the driving motor is provided with a rotary rod. A plurality of rotating blades are detachably installed outside the rotating rod, an extending structure is arranged at the joint of the sealing disc and the valve shell, a connecting structure is arranged at the joint of the rotating blades and the rotating rod, the extending structure comprises two sets of supporting blocks with penetrating holes, and the two sets of supporting blocks are fixedly installed on the outer wall of the valve shell. The rotary rod and the multiple rotary blades can be conveniently pulled out of the valve shell by an operator, a good space is provided for maintenance or replacement of the rotary blades, the single rotary blade can be conveniently detached and replaced, the maintenance cost is reduced, and the rotary valve is convenient to use by the operator.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rotary valve, more specifically, the utility model relates to a rotary valve convenient for replacing blade. BACKGROUND

[0002] Rotary valve, also called air lock, unloader or air lock valve, is a device for unloading, mainly used for uniform and continuous feeding to the material conveying pipe, and plays a sealing and air locking role, its principle is to use the motor to drive the blade to rotate and convey the material from the upper feeding channel to the lower unloading channel, and the gap between the blade and the shell realizes sealing and prevents gas leakage.

[0003] Through the search, the authorized announcement No. CN221116020U of Chinese patent discloses a kind of anticorrosive rotary valve, the structure is equipped with corrosion ring in water gap and installs sealing ring on the top of water gap, and installs anticorrosive layer in column box inside, when the substance with corrosive enters the device, water gap and entire column box of the device cannot be corroded, so that the damage of instrument and the leakage of corrosive substance can be effectively prevented, it is safer.

[0004] But the rotary valve in prior art is fixed in the process of specific use, and the rotary shaft and the blade are located in the interior of rotary valve, so that the surface of blade is prone to wear or damage in the process of long-term conveying material, and it is difficult to replace the blade once damaged, which affects the use effect, in view of this, the utility model provides a rotary valve convenient for replacing blade. UTILITY MODEL CONTENT

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a rotary valve convenient for replacing blade to solve the problems raised in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a rotary valve convenient for replacing blade, comprising a valve shell, a feed inlet and a discharge outlet are communicated with the top and bottom of the valve shell respectively, a sealing disc is detachably installed at one end of the valve shell, a drive motor is installed on the sealing disc, a rotating rod is provided at the output end of the drive motor, a plurality of rotating blades are detachably installed on the outside of the rotating rod, the drive motor is fixedly installed on the sealing disc, and the output end of the drive motor is fixedly connected with the rotating rod, the rotating rod and the rotating blades are located in the interior of the valve shell.

[0007] In order to facilitate the extension of the rotating rod and the rotating blades from the inside of the valve shell, provide a good space for the replacement of the rotating blades, preferably, the connection between the sealing disc and the valve shell is provided with an extension structure, the extension structure comprises two groups of perforated support blocks, the two groups of support blocks are fixedly installed on the outer wall of the valve shell respectively, and the number of support blocks in each group is two, a guide rod is installed in each group of support blocks, two connecting ears are fixedly arranged on the outer wall of the sealing disc, each guide rod is in sliding connection with the corresponding two perforated support blocks, and one end of the guide rod is fixedly connected with the connecting ear, a plurality of threaded holes are arranged in the connection between the sealing disc and the valve shell in a ring shape, and a bolt is screwed into each threaded hole.

[0008] In order to facilitate the disassembly and replacement of the single rotating blade, preferably, the connection between the rotating blade and the rotating rod is provided with a connecting structure, the connecting structure comprises two sleeves, the two sleeves are fixedly installed on the outer portion of the rotating rod, a plurality of clamping grooves are arranged in the outer surface of the sleeve in a ring shape, a clamping block is movably inserted into each clamping groove, a connecting piece is fixedly arranged on the surface of the clamping block, a screw is arranged at the connection between the connecting piece and the sleeve, and each two connecting pieces are fixedly connected with the corresponding rotating blade.

[0009] In order to improve the smoothness of the rotating rod during rotation, preferably, a bearing is embeddedly installed on the outer wall of the other end of the valve shell, a rotating block is installed in the bearing, the rotating block is rotatably connected with the valve shell through the bearing, a cross hole is arranged in the surface of the rotating block, and a cross block with a matching structure is inserted into the cross hole and fixedly installed on one end of the rotating rod.

[0010] The technical effects and advantages of the utility model are as follows:

[0011] 1. By arranging the extension structure, the bolts between the sealing disc and the valve shell are removed, the sealing disc is pulled and guided by the sliding of the guide rod and the support block, so that the sealing disc drives the rotating rod and the rotating blade to extend out of the valve shell, which creates a good operation space for the operator and greatly facilitates the maintenance and replacement of the rotating blade.

[0012] By arranging the connecting structure, when a rotating blade is damaged, the screw at the connection between the connecting piece and the sleeve is removed, the clamping block is pulled out of the clamping groove, and the disassembly and replacement of the rotating blade are realized, avoiding the replacement of the entire rotating part and reducing the maintenance cost.

[0013] 2、Through the bearing, the rotating block and the cooperation structure of the cross port and the cross block arranged at the other end of the valve shell, the smoothness of the rotating lever in the valve shell can be ensured, when the rotating lever rotates, the rotating block rotates with the valve shell through the bearing under the limitation of the cross port and the cross block, the obstruction in the rotating process is reduced, the working efficiency and stability of the rotary valve are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure schematic view of the utility model.

[0015] Figure 2 It is another angle structure schematic view of the utility model.

[0016] Figure 3 It is the structure state view when the rotating lever and the rotating blade are drawn out from the inside of the valve shell.

[0017] Figure 4 It is the rotating blade and the rotating lever connection structure schematic view of the utility model.

[0018] Figure 5 It is the driving motor and the rotating lever connection structure schematic view of the utility model.

[0019] Figure 6 It is the rotating blade and the sleeve ring connection structure schematic view of the utility model.

[0020] The figure mark is: 1, valve shell, 2, feed inlet, 3, discharge port, 4, sealing disc, 5, driving motor, 6, rotating lever, 7, rotating blade, 8, support block, 9, guide rod, 10, connecting lug, 11, sleeve ring, 12, clamping groove, 13, clamping block, 14, connecting sheet, 15, screw, 16, bolt, 17, bearing, 18, rotating block, 19, cross port, 20, cross block. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with 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 the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0022] As the drawings Figures 1-6The illustrated one kind convenient replacement blade's rotary valve, including valve housing 1, the top and bottom of valve housing 1 are communicated with feed inlet 2 and discharge outlet 3 respectively, one end of valve housing 1 is detachably installed with sealing disc 4, driving motor 5 is installed on sealing disc 4, the output end of driving motor 5 is provided with rotating rod 6, the outside of rotating rod 6 is detachably installed with several rotating blades 7, driving motor 5 is fixedly installed on sealing disc 4, and the output end of driving motor 5 is fixedly connected with rotating rod 6, rotating rod 6 and rotating blade 7 are all located inside valve housing 1.

[0023] Specifically, in the structure, the feed inlet 2 is used to deliver the material to the inside of the valve housing 1, at this time, the driving motor 5 fixed on the sealing disc 4 drives the rotating rod 6 to rotate in the inside of the valve housing 1, and drives the several rotating blades 7 to rotate, and finally the material is discharged through the discharge outlet 3.

[0024] The structure of the present application will be described in detail as follows:

[0025] In this embodiment, as shown in the accompanying drawings Figure 1 、 2 , 3, the connecting part of the sealing disc 4 and the valve housing 1 is provided with an extension structure, the extension structure includes two groups of support blocks 8 with perforations, the two groups of support blocks 8 are fixedly installed on the outer wall of the valve housing 1 respectively, and the number of support blocks 8 in each group is set to two, the inside of the two groups of support blocks 8 is installed with a guide rod 9, the outer wall of the sealing disc 4 is fixedly provided with two connecting ears 10, each guide rod 9 is slidably connected with the corresponding two support blocks 8 with perforations respectively, and one end of the guide rod 9 is fixedly connected with the connecting ear 10, the connecting part of the sealing disc 4 and the valve housing 1 is annularly provided with a plurality of threaded holes, the inside of the plurality of threaded holes is threadedly installed with a bolt 16, and the sealing disc 4 is detachably connected with the valve housing 1 through the threaded hole and the bolt 16.

[0026] Specifically, in order to facilitate the rotating rod 6 and the plurality of rotating blades 7 to be pulled out from the inside of the valve housing 1, and to provide convenience for the maintenance and replacement of the rotating blades 7, specifically;

[0027] First, the bolt 16 at the sealing disc 4 and the valve housing 1 is removed, so that the sealing disc 4 and the valve housing 1 lose fixation, then the sealing disc 4 is pulled away from the valve housing 1, so that the two connecting ears 10 drive the guide rod 9 to slide and guide at the corresponding support block 8 with perforation, and the sealing disc 4 drives the rotating rod 6 and the plurality of rotating blades 7 to extend out of the valve housing 1, that is, the rotating blades 7 can be conveniently maintained or replaced, which provides a good operating space for the operator.

[0028] In this embodiment, as shown in the accompanying drawings Figure 3 、 4As shown in Figure 6, a connecting structure is provided at the connection between the rotating blade 7 and the rotating rod 6. The connecting structure includes two collars 11, both of which are fixedly installed on the outside of the rotating rod 6. The outer surface of the collar 11 is provided with several slots 12 in a ring shape. Each slot 12 has a locking block 13 that is movably inserted into it. A connecting piece 14 is fixedly installed on the surface of the locking block 13. A screw 15 is installed at the connection between the connecting piece 14 and the collar 11. Every two connecting pieces 14 are fixedly connected to the corresponding rotating blade 7. The connecting piece 14 fits against the surface of the collar 11, and the connecting piece 14 is detachably connected to the collar 11 by the screw 15.

[0029] Specifically, in this structure, in order to facilitate the replacement of a single damaged rotating blade 7 and reduce maintenance costs, specifically;

[0030] When a rotating blade 7 is damaged and needs to be replaced, the screws 15 at the connecting piece 14 and the collar 11 can be removed. At this time, the connecting piece 14 and the collar 11 will lose their connection. The locking block 13 at the bottom of the connecting piece 14 can be pulled out from the corresponding slot 12 of the collar 11, so that the rotating blade 7 can be separated from the collar 11, and then the single damaged rotating blade 7 can be disassembled and replaced.

[0031] In the same way, when installing the replacement rotating blade 7, insert the locking block 13 at the bottom of the connecting piece 14 into the inside of the slot 12, and fix the connecting piece 14 to the collar 11 with screws 15.

[0032] In this embodiment, as shown in the appendix Figure 2 , 4 As shown in Figure 5, a bearing 17 is embedded in the outer wall of the other end of the valve housing 1. A rotating block 18 is installed inside the bearing 17. The rotating block 18 is rotatably connected to the valve housing 1 through the bearing 17. A cross-shaped opening 19 is opened on the surface of the rotating block 18. A cross-shaped block 20 with a matching structure is inserted into the cross-shaped opening 19. The cross-shaped block 20 is fixedly installed at one end of the rotating rod 6.

[0033] Specifically, in this structure, when the rotating rod 6 extends out from the inside of the valve housing 1, it will cause the cross block 20 to disengage from the inside of the cross opening 19. Similarly, when the rotating rod 6 extends into the inside of the valve housing 1, the cross block 20 is re-engaged into the inside of the cross opening 19. Under the restriction of the cross block 20 and the cross opening 19, when the rotating rod 6 rotates inside the valve housing 1, it will cause the rotating block 18 to rotate with the valve housing 1 through the bearing 17, thereby improving the smoothness of the rotation of the rotating rod 6.

[0034] Working principle of this utility model:

[0035] The application provides a rotary valve with replaceable blades, in normal operation, material is delivered from the feed inlet 2 at the top of the valve shell 1 to the inside of the valve shell 1, the driving motor 5 on the sealing disc 4 drives the rotating rod 6 to rotate in the valve shell 1, the rotating rod 6 drives the rotating blades 7 to rotate, and the material is discharged from the discharge port 3 under the action of the rotating blades 7;

[0036] When the rotating blades 7 are replaced, the bolts 16 at the sealing disc 4 and the valve shell 1 are removed, the sealing disc 4 and the valve shell 1 are not fixed, the sealing disc 4 is pulled away from the valve shell 1, the connecting ears 10 drive the guide rods 9 to slide and guide at the support blocks 8, the sealing disc 4 drives the rotating rod 6 and the rotating blades 7 to extend out of the valve shell 1, the rotating rod 6 drives the cross block 20 to separate from the inside of the cross port 19, and operation space is provided for maintenance and replacement, and the state is shown in the attached Figure 3

[0037] If a single damaged rotating blade 7 needs to be replaced, after the rotating blade 7 is pulled out of the inside of the valve shell 1, the operator removes the screws 15 at the connecting piece 14 and the sleeve ring 11, the connecting piece 14 and the sleeve ring 11 are disconnected, the bottom clamping block 13 of the connecting piece 14 is pulled out of the clamping groove 12 of the sleeve ring 11, the single rotating blade 7 is separated from the sleeve ring 11, and replacement is realized;

[0038] Similarly, during installation, the bottom clamping block 13 of the connecting piece 14 is inserted into the clamping groove 12, the connecting piece 14 and the sleeve ring 11 are fixed by the screws 15, the replaced single rotating blade 7 is installed, then the rotating rod 6 and the rotating blades 7 are pushed into the inside of the valve shell 1 by the sealing disc 4, the cross block 20 at one end of the rotating rod 6 is inserted into the inside of the cross port 19, and finally the sealing disc 4 and the valve shell 1 are fixed by the bolts 16.

[0039] It is explained that the contents not described in detail in the specification all belong to the prior art known by those skilled in the art, and the model parameters of various electric appliances are not specifically limited, and conventional equipment can be used, in the technical solution, the electric appliance control elements not mentioned belong to the prior art, and therefore are not shown in the drawings, and will not be described here.

[0040] The above only describes preferred embodiments of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.​

Claims

1. A rotary valve with easy blade replacement comprising a valve housing (1), characterized in that: The top and bottom of the valve shell (1) are communicated with a feeding port (2) and a discharging port (3) respectively, one end of the valve shell (1) is detachably provided with a sealing disc (4), the sealing disc (4) is provided with a driving motor (5), the output end of the driving motor (5) is provided with a rotating rod (6), the outer part of the rotating rod (6) is detachably provided with a plurality of rotating blades (7), the connecting part of the sealing disc (4) and the valve shell (1) is provided with an extension structure, and the connecting part of the rotating blade (7) and the rotating rod (6) is provided with a connecting structure. The extension structure comprises two groups of supporting blocks (8) with perforations, the two groups of supporting blocks (8) are fixedly installed on the outer wall of the valve shell (1), the number of the supporting blocks (8) in each group is two, the inner part of the supporting blocks (8) in the two groups is provided with a guide rod (9), and the outer wall of the sealing disc (4) is fixedly provided with two connecting ears (10). The connecting structure comprises two sleeve rings (11), the two sleeve rings (11) are fixedly installed on the outer part of the rotating rod (6), the outer surface of the sleeve ring (11) is annularly provided with a plurality of clamping grooves (12), the inner part of the clamping grooves (12) is movably inserted with a clamping block (13), the surface of the clamping block (13) is fixedly installed with a connecting piece (14), and the connecting part of the connecting piece (14) and the sleeve ring (11) is provided with a screw (15).

2. A rotary valve with easy changeable blades according to claim 1, characterized in that: The connecting part of the sealing disc (4) and the valve shell (1) is annularly provided with a plurality of threaded holes, the inner part of the threaded holes is screwedly provided with a bolt (16), and the sealing disc (4) is detachably connected with the valve shell (1) through the threaded holes and the bolt (16).

3. The easy-change blade rotary valve of claim 1, wherein: The outer wall of the other end of the valve shell (1) is embeddedly installed with a bearing (17), the inner part of the bearing (17) is installed with a rotating block (18), and the rotating block (18) is rotatably connected with the valve shell (1) through the bearing (17). The surface of the rotating block (18) is provided with a cross port (19), the inner part of the cross port (19) is inserted with a cross block (20) with matched structure, and the cross block (20) is fixedly installed on one end of the rotating rod (6).

4. The easy-change blade rotary valve of claim 1, wherein: Each guide rod (9) is slidably connected with the corresponding two supporting blocks (8) with perforations, and one end of the guide rod (9) is fixedly connected with the connecting ear (10).

5. The easy change blade rotary valve of claim 1, wherein: Every two connecting pieces (14) are fixedly connected with the corresponding rotating blades (7), the connecting piece (14) is attached to the surface of the sleeve ring (11), and the connecting piece (14) is detachably connected with the sleeve ring (11) through the screw (15).

6. The easy change blade rotary valve of claim 1, wherein: The driving motor (5) is fixedly installed on the sealing disc (4), the output end of the driving motor (5) is fixedly connected with the rotating rod (6), and the rotating rod (6) and the rotating blade (7) are located in the inner part of the valve shell (1).

Images