Anti-blocking structure for blow-down valve of dust remover

Abstract

The utility model relates to the technical field of anti-blocking structures for blow-down valves, and discloses an anti-blocking structure for a blow-down valve of a dust remover, which is characterized in that connecting flanges are mounted at two ends of an air inlet barrel of the dust remover, and a lower air barrel is communicated with the middle of the bottom of the air inlet barrel of the dust remover, so that the air inlet barrel of the dust remover and the lower air barrel form a T-shaped air barrel; an impurity collecting box is arranged below the T-shaped air duct and used for collecting impurities, and a semicircular mounting groove is formed in the surface of the top of the dust remover air inlet duct. The filter screen is arranged in the air duct, so that the blow-down valve can be effectively prevented from being blocked by sundries in the operation process of the dust remover of the coal belt conveyor, and the working efficiency of the dust remover can be greatly improved; the filter screen is detachably connected with the filter screen box cover, in the use process, disassembly is convenient, the filter screen can be repeatedly used after being repeatedly cleaned, the equipment operation cost is saved, the fault rate of the dust remover is reduced, the dust concentration between belts is reduced, and the working environment of workers is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage valve anti-clogging structures, in particular to an anti-clogging structure for a sewage valve of a dust collector. Background Art

[0002] At present, the lower drain valve of the coal conveyor belt dust collector is often blocked by debris, resulting in frequent dust collector failures, affecting the safe and environmentally friendly operation of the coal conveyor belt. For this reason, the staff now installs a filter and a debris collection box in the air duct to effectively avoid the blockage of the dust collector drain valve and reduce the number of dust collector failures. However, when too much debris accumulates, the filter is often blocked, reducing the filtration efficiency. For this reason, we need to provide a new anti-blocking structure for the dust collector drain valve. Utility Model Content

[0003] The utility model aims to provide an anti-blocking structure for a dust collector sewage valve to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a structure for preventing the sewage valve of a dust collector from being blocked, connecting flanges are installed at both ends of the air inlet tube of the dust collector, a downwind tube is connected and arranged at the middle position of the bottom of the air inlet tube of the dust collector, so that the air inlet tube of the dust collector and the downwind tube present a "T"-shaped air tube, and a debris collection box is arranged below the "T"-shaped air tube for collecting debris, a semicircular mounting groove is provided on the top surface of the air inlet tube of the dust collector, an inspection port is provided on the front side of the air inlet tube of the dust collector, and an inspection door is hingedly installed on the inspection port through a hinge, and a fixed seat is provided on one side of the inspection door, a switch valve stem is movably installed on the surface of the inspection door, and the switch valve stem is installed in engagement with the fixed seat; a filter disassembly assembly is provided between the inspection port and the semicircular mounting groove.

[0005] Preferably, the filter disassembly assembly includes the following structure: a filter box cover, which is installed in a matching manner with the semicircular mounting groove and is hingedly installed on one side of the semicircular mounting groove through a hinge; a stainless steel filter, which is installed in a matching manner with the filter box cover, and the stainless steel filter is located inside the air inlet tube of the dust collector; a locking box, which is fixedly installed on both sides of the inner wall of the inspection port.

[0006] Preferably, the inner wall of the filter box cover is provided with slots at equal intervals, and the outer wall of the stainless steel filter is integrally connected with buckle feet at equal intervals, and the buckle feet are snap-fitted and installed with the slots.

[0007] Preferably, a toggle button block is provided at the bottom of the inner wall of the locking box, one side of the toggle button block penetrates the inner wall of the locking box and extends to the outside, and the top of the toggle button block is adapted to be equipped with a lock tooth rod 1.

[0008] Preferably, the top of the lock tooth rod 1 is fixedly connected with a positioning column, the top of the positioning column passes through the top of the inner wall of the locking box and extends to the outside, the outer sleeve of the positioning column is provided with a positioning spring, one end of the positioning spring is fixedly connected to the top of the inner wall of the locking box, and the bottom end of the positioning spring is fixedly connected to the top of the lock tooth rod 1.

[0009] Preferably, a second locking tooth rod is movably connected inside the locking box, an elastic U-shaped clip is provided between the second locking tooth rod and the first locking tooth rod, and the elastic U-shaped clip is fixedly installed inside the locking box.

[0010] Preferably, the bottom ends of the locking tooth rod 1 and the locking tooth rod 2 are both in the form of matching wedge-shaped bodies, and a buckle block is fixedly connected to the wedge-shaped body provided on the locking tooth rod 2.

[0011] Preferably, a locking tooth bar is fixedly mounted on the other side of the filter box cover, the locking tooth bar penetrates into the interior of the locking box, and one side of the locking tooth bar is meshedly connected with one side of the second locking tooth rod.

[0012] The utility model provides an anti-blocking structure for a dust collector sewage valve. It has the following beneficial effects:

[0013] (1) The utility model can effectively prevent the drain valve of the coal conveyor belt conveyor dust collector from being blocked by debris during operation by arranging a filter in the air duct, thereby greatly improving the working efficiency of the dust collector; the filter and the filter box cover are detachably connected, and are easy to disassemble during use. They can be repeatedly cleaned and reused, saving equipment operating costs, reducing the failure rate of the dust collector, reducing the dust concentration between the belts, and improving the working environment of employees.

[0014] (2) The utility model pulls out the toggle button block, and under the action of the rebound force of the positioning spring, the positioning column is driven to move downward, and the positioning column drives the lock tooth rod 1 to move downward, so that the elastic U-shaped clip in contact with it undergoes elastic deformation, and the wedge-shaped bodies on the lock tooth rod 1 and the lock tooth rod 2 are misaligned to leave space. Then the user moves the buckle block, and the buckle block drives the lock tooth rod 2 to rotate, so that the elastic U-shaped clip in contact with it undergoes elastic deformation, and the wedge-shaped body on the lock tooth rod 2 moves to the reserved space. At this time, the lock tooth bar engaged with it will no longer be affected by the meshing state. At this time, the filter box cover can be opened, and then the stainless steel filter can be further removed, thereby achieving the effect of disassembling the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view of the overall structure of the utility model;

[0016] Figure 2 This is a three-dimensional diagram of the air inlet structure of the dust collector of the utility model;

[0017] Figure 3It is a side sectional view of the overall structure of the utility model;

[0018] Figure 4 This is a disassembled view of the stainless steel filter of the utility model;

[0019] Figure 5 For this utility model Figure 3 Schematic diagram of the enlarged structure of A.

[0020] In the figure: 111 dust collector air inlet, 112 connecting flange, 113 downwinder, 114 inspection door, 115 fixing seat, 116 switch valve stem, 2 filter screen disassembly assembly, 211 filter screen box cover, 212 stainless steel filter screen, 213 buckle foot, 214 locking box, 215 toggle button block, 216 lock gear rod 1, 217 positioning column, 218 positioning spring, 219 lock gear rod 2, 2110 elastic U-clip, 2111 buckle block, 2112 lock gear. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] A preferred embodiment of the anti-blocking structure for a dust collector drain valve provided by the utility model is as follows Figure 1-5 As shown: an anti-blocking structure for a dust collector drain valve, both ends of the dust collector air inlet cylinder 111 are installed with connecting flanges 112, and a lower air cylinder 113 is connected and arranged at the middle position of the bottom of the dust collector air inlet cylinder 111, so that the dust collector air inlet cylinder 111 and the lower air cylinder 113 present a "T"-shaped air cylinder, and a debris collection box is arranged below the "T"-shaped air cylinder for collecting debris, and a semicircular mounting groove is provided on the top surface of the dust collector air inlet cylinder 111, and an inspection port is provided on the front of the dust collector air inlet cylinder 111, and an inspection door 114 is hingedly installed on the inspection port through a hinge, and a fixing seat 115 is arranged on one side of the inspection door 114, and a switch valve rod 116 is movably installed on the surface of the inspection door 114, and the switch valve rod 116 is installed in engagement with the fixing seat 115; a filter screen disassembly component 2 is arranged between the inspection port and the semicircular mounting groove;

[0024] The filter disassembly assembly 2 includes the following structures: a filter box cover 211, which is installed in a matching manner with the semicircular installation groove and is hingedly installed on one side of the semicircular installation groove through a hinge; a stainless steel filter 212, which is installed in a matching manner with the filter box cover 211 and is located inside the air inlet 111 of the dust collector; a locking box 214, which is fixedly installed on both sides of the inner wall of the inspection port; the inner wall of the filter box cover 211 is provided with slots equidistantly, and the stainless steel filter 212 is fixedly installed on the inner wall of the inspection port; ... The outer wall of the filter screen 212 is evenly connected to the buckle feet 213, and the buckle feet 213 are snap-fitted and installed in the slot; the bottom of the inner wall of the locking box 214 is provided with a toggle button block 215, one side of the toggle button block 215 penetrates the inner wall of the locking box 214 and extends to the outside, and the top of the toggle button block 215 is adapted to be equipped with a locking tooth rod 216; the top of the locking tooth rod 216 is fixedly connected to a positioning column 217, and the top of the positioning column 217 penetrates the locking tooth rod 216. The top of the inner wall of the locking box 214 extends to the outside, and the outer sleeve of the positioning column 217 is provided with a positioning spring 218, one end of the positioning spring 218 is fixedly connected to the top of the inner wall of the locking box 214, and the bottom end of the positioning spring 218 is fixedly connected to the top of the locking tooth rod 1 216; the locking box 214 is internally movably connected with a locking tooth rod 219, and an elastic U-shaped clip 2110 is provided between the locking tooth rod 219 and the locking tooth rod 1 216, and the elastic U-shaped clip 2110 is fixedly installed inside the locking box 214; the bottom ends of the locking tooth rod 1 216 and the locking tooth rod 219 are both wedge-shaped bodies that match each other, and a buckle block 2111 is fixedly connected to the wedge-shaped body provided on the locking tooth rod 219; a locking tooth bar 2112 is fixedly installed on the other side of the filter box cover 211, and the locking tooth bar 2112 penetrates into the interior of the locking box 214, and one side of the locking tooth bar 2112 is meshed and connected with one side of the locking tooth rod 219.

[0025] When in use, by using the switch valve stem 116 to open the inspection door 114, the user pulls out the toggle button block 215, and under the rebound force of the positioning spring 218, the positioning column 217 moves downward, and the positioning column 217 drives the locking tooth rod 1 216 to move downward, so that the elastic U-shaped clip 2110 in contact with it is elastically deformed, and the wedge-shaped bodies on the locking tooth rod 1 216 and the locking tooth rod 219 are misaligned to leave space. Then the user moves the buckle block 2111, and the buckle block 2111 drives the locking tooth rod 219 to rotate, so that the elastic U-shaped clip 2110 in contact with it is elastically deformed, and the wedge-shaped body on the locking tooth rod 219 moves to the reserved space. At this time, the locking tooth bar 2112 engaged with it will no longer be affected by the meshing state. At this time, the filter box cover 211 can be opened, and then the stainless steel filter screen 212 can be further removed, and the filter screen can be repeatedly cleaned and reused.

[0026] In summary, by arranging a filter in the air duct, the drain valve can be effectively prevented from being blocked by debris during the operation of the coal conveyor belt dust collector, which can greatly improve the working efficiency of the dust collector; the filter is detachably connected to the filter box cover 211, which is easy to disassemble during use and can be repeatedly cleaned and reused, saving equipment operating costs.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An anti-blocking structure for a dust collector drain valve, characterized in that: Both ends of the dust collector air inlet cylinder (111) are provided with connecting flanges (112); a lower air cylinder (113) is connected to the middle position of the bottom of the dust collector air inlet cylinder (111), so that the dust collector air inlet cylinder (111) and the lower air cylinder (113) form a "T"-shaped air cylinder, and a debris collection box is provided below the "T"-shaped air cylinder for collecting debris; a semicircular installation groove is provided on the top surface of the dust collector air inlet cylinder (111); an inspection port is provided on the front of the dust collector air inlet cylinder (111), and an inspection door (114) is hingedly installed on the inspection port through a hinge; a fixing seat (115) is provided on one side of the inspection door (114); a switch valve rod (116) is movably installed on the surface of the inspection door (114), and the switch valve rod (116) is installed in engagement with the fixing seat (115); a filter screen disassembly component (2) is provided between the inspection port and the semicircular installation groove.

2. The anti-clogging structure for a dust collector drain valve according to claim 1, characterized in that: The filter screen removal assembly (2) comprises the following structures: a filter screen box cover (211) adapted to be installed in the semicircular installation groove and hingedly installed on one side of the semicircular installation groove via a hinge; a stainless steel filter screen (212) adapted to be installed in the filter screen box cover (211) and located inside the air inlet cylinder (111) of the dust collector; and a locking box (214) fixedly installed on both sides of the inner wall of the inspection port.

3. The anti-clogging structure for a dust collector drain valve according to claim 2, characterized in that: The inner wall of the filter box cover (211) is provided with slots at equal intervals, and the outer wall of the stainless steel filter (212) is integrally connected with buckle feet (213) at equal intervals, and the buckle feet (213) are buckled and installed with the slots.

4. The anti-clogging structure for a dust collector drain valve according to claim 2, characterized in that: A toggle button block (215) is provided at the bottom of the inner wall of the locking box (214), one side of the toggle button block (215) penetrates the inner wall of the locking box (214) and extends to the outside, and a locking tooth rod 1 (216) is adapted to be provided at the top of the toggle button block (215).

5. The anti-clogging structure for a dust collector drain valve according to claim 4, characterized in that: The top of the locking tooth rod (216) is fixedly connected to a positioning column (217), the top of the positioning column (217) passes through the top of the inner wall of the locking box (214) and extends to the outside, the outer sleeve of the positioning column (217) is provided with a positioning spring (218), one end of the positioning spring (218) is fixedly connected to the top of the inner wall of the locking box (214), and the bottom end of the positioning spring (218) is fixedly connected to the top of the locking tooth rod (216).

6. The anti-clogging structure for a dust collector drain valve according to claim 2, characterized in that: The locking box (214) is movably connected to a second locking tooth rod (219) inside, an elastic U-shaped clip (2110) is provided between the second locking tooth rod (219) and the first locking tooth rod (216), and the elastic U-shaped clip (2110) is fixedly installed inside the locking box (214).

7. The anti-clogging structure for a dust collector drain valve according to claim 4, characterized in that: The bottom ends of the first locking tooth rod (216) and the second locking tooth rod (219) are both in the form of matching wedge-shaped bodies, and a buckle block (2111) is fixedly connected to the wedge-shaped body provided on the second locking tooth rod (219).

8. The anti-clogging structure for a dust collector drain valve according to claim 2, characterized in that: A locking tooth bar (2112) is fixedly mounted on the other side of the filter box cover (211), and the locking tooth bar (2112) penetrates into the interior of the locking box (214), and one side of the locking tooth bar (2112) is meshedly connected with one side of the second locking tooth rod (219).

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