阅读说明：本技术 一种离心式消防排烟抽风机 (Centrifugal fire control exhaust fan of discharging fume ) 是由 唐伟军 于 2020-07-10 设计创作，主要内容包括：本发明一种离心式消防排烟抽风机,涉及消防排烟设备领域,包括壳体组件、离心风扇组件、挡物件安装座、挡物调节件、挡物组件、支撑滑座组件和扩展调节件,有益技术效果为本发明能对误吸入的杂物进行阻挡,避免误吸入的杂物缠绕在叶片上。离心风扇组件设在壳体组件上,挡物件安装座配合连接在离心风扇组件上,挡物件安装座位于壳体组件内,挡物调节件活动连接在离心风扇组件的左端,挡物调节件的右端与挡物件安装座连接,四个挡物组件的左端环绕设在挡物调节件上,四个挡物组件的右端皆设在挡物件安装座上,四个挡物组件上分别设有一个扩展调节件,支撑滑座组件设在壳体组件上,挡物件安装座的右端与支撑滑座组件配合连接。(The invention discloses a centrifugal fire-fighting smoke exhaust fan, which relates to the field of fire-fighting smoke exhaust equipment and comprises a shell component, a centrifugal fan component, an object blocking component mounting seat, an object blocking adjusting component, an object blocking component, a supporting sliding seat component and an expansion adjusting component. The centrifugal fan assembly is arranged on the shell assembly, the object blocking mounting seat is connected to the centrifugal fan assembly in a matched mode, the object blocking mounting seat is located in the shell assembly, the object blocking adjusting piece is movably connected to the left end of the centrifugal fan assembly, the right end of the object blocking adjusting piece is connected with the object blocking mounting seat, the left ends of the four object blocking assemblies are arranged on the object blocking adjusting piece in a surrounding mode, the right ends of the four object blocking assemblies are arranged on the object blocking mounting seat, the four object blocking assemblies are respectively provided with an extension adjusting piece, the supporting sliding seat assembly is arranged on the shell assembly, and the right end of the object blocking mounting seat is connected with the supporting sliding seat assembly in a matched mode.)

1. The utility model provides a centrifugal fire control exhaust fan that discharges fume, includes casing subassembly (1), centrifugal fan subassembly (2), keeps off thing spare mount pad (3), keeps off thing regulating part (4), keeps off thing subassembly (5), supports slide subassembly (6) and extension regulating part (7), its characterized in that: centrifugal fan subassembly (2) establish on casing subassembly (1), keep off thing mount pad (3) cooperation and connect on centrifugal fan subassembly (2), keep off thing mount pad (3) and be located casing subassembly (1), keep off thing regulating part (4) swing joint at the left end of centrifugal fan subassembly (2), the right-hand member that keeps off thing regulating part (4) is connected with keeping off thing mount pad (3), the left end of four fender thing subassemblies (5) is around establishing on keeping off thing regulating part (4), the right-hand member of four fender thing subassemblies (5) all establishes on keeping off thing mount pad (3), be equipped with an extension regulating part (7) on four fender thing subassemblies (5) respectively, establish on casing subassembly (1) supporting slide subassembly (6), the right-hand member and the supporting slide subassembly (6) cooperation of keeping off thing mount pad (3) are connected.

2. The centrifugal fire-fighting smoke exhaust fan according to claim 1, characterized in that: the shell assembly (1) comprises a hollow cylinder (1-1), an outer expanding cover (1-2), a back plate (1-3), an air outlet (1-4), a lower baffle plate (1-5) and a locking screw (1-6); the left end and the right end of the hollow cylinder (1-1) are respectively fixedly connected with an external expanding cover (1-2) and a back plate (1-3), the lower end of the hollow cylinder (1-1) is fixedly connected and communicated with an air outlet (1-4), the lower end of the external expanding cover (1-2) is provided with an opening, a lower baffle plate (1-5) is connected to the opening at the lower end of the external expanding cover (1-2) in a sealing and sliding fit manner, the lower baffle plate (1-5) is connected with two locking screws (1-6) in a threaded fit manner, and the two locking screws (1-6) are connected to the external expanding cover (1-2) in a threaded fit manner; the centrifugal fan component (2) is arranged on the hollow cylinder (1-1).

3. A centrifugal fire smoke exhaust fan according to claim 2 wherein: the centrifugal fan assembly (2) comprises a motor (2-1), a rotating shaft (2-2), centrifugal fan blades (2-3), a shaft frame plate (2-4) and a convex rod (2-5); the motor (2-1) is fixedly connected to the back plate (1-3) through a motor frame, an output shaft of the motor (2-1) is connected with the rotating shaft (2-2) through a coupler, the rotating shaft (2-2) is hermetically and rotatably connected to the back plate (1-3), the centrifugal fan blade (2-3) is fixedly connected to the right end of the rotating shaft (2-2), the middle part of the rotating shaft (2-2) is rotatably connected to a shaft frame plate (2-4), the shaft frame plate (2-4) is fixedly connected to the inner wall of the hollow cylinder (1-1), and the left end of the rotating shaft (2-2) is provided with four convex rods (2-5) in a winding manner; the object blocking piece mounting seat (3) is connected with the rotating shaft (2-2) in a matching way, and the object blocking adjusting piece (4) is connected with the convex rod (2-5) in a matching way.

4. A centrifugal fire smoke exhaust fan according to claim 3 wherein: the object blocking piece mounting seat (3) comprises an annular frame (3-1), a middle plate (3-2), a groove (3-3), a hinge seat (3-4), a hook plate (3-5), a sliding sleeve (3-6), a positioning screw (3-7), an inner sliding block (3-8) and a limiting rod (3-9); the inner part of the annular frame (3-1) is fixedly connected with an intermediate plate (3-2), the annular frame (3-1) is connected in the hollow cylinder (1-1) in a sliding fit manner, the intermediate plate (3-2) is connected on the rotating shaft (2-2) in a sliding fit manner, the intermediate plate (3-2) is positioned between the shaft frame plate (2-4) and the convex rod (2-5), and the middle part of the intermediate plate (3-2) is provided with four grooves (3-3) in a surrounding manner; the grooves (3-3) are arranged corresponding to the convex rods (2-5); four hinged seats (3-4) are uniformly arranged on the annular frame (3-1) in a surrounding manner, two hook plates (3-5) are symmetrically and fixedly connected to the annular frame (3-1), the two hook plates (3-5) are respectively connected to two sliding sleeves (3-6) in a sliding fit manner, and the two sliding sleeves (3-6) are respectively connected with a positioning screw (3-7) in a threaded fit manner; the positioning screws (3-7) are tightly propped against the hook plates (3-5); the inner ends of the two sliding sleeves (3-6) are respectively fixedly connected with an inner sliding block (3-8); the two inner sliding blocks (3-8) are matched and connected with the supporting sliding seat component (6), and the inner ends of the two inner sliding blocks (3-8) are respectively fixedly connected with a limiting rod (3-9); the four object blocking components (5) are respectively connected with the four hinged seats (3-4) in a matching way.

5. The centrifugal fire-fighting smoke exhaust fan of claim 4, characterized in that: the blocking object adjusting part (4) comprises a shaft sleeve (4-1), a convex rod sliding groove (4-2), a disc seat (4-3) and a first electric push rod (4-4); the shaft sleeve (4-1) is connected to the rotating shaft (2-2) in a sliding fit mode, four convex rod sliding grooves (4-2) are formed in the shaft sleeve (4-1), the four convex rods (2-5) are connected to the four convex rod sliding grooves (4-2) in a sliding fit mode respectively, the disc seat (4-3) is fixedly connected to the left end of the shaft sleeve (4-1), the four blocking assemblies (5) are uniformly connected to the disc seat (4-3) in a surrounding mode, the right end of the shaft sleeve (4-1) is fixedly connected to the telescopic end of the first electric push rod (4-4), and the first electric push rod (4-4) is fixedly connected to the middle plate (3-2).

6. The centrifugal fire-fighting smoke exhaust fan according to claim 5, characterized in that: the object blocking component (5) comprises a sliding groove seat (5-1), a hollow blocking rod (5-2), a telescopic rod (5-3), a hinge block (5-4), a compression spring (5-5), a limiting plate (5-6), a lower sliding groove (5-7) and an outer sliding groove (5-8); the middle part of the sliding groove seat (5-1) is rotatably connected to the hinge seat (3-4), the hollow stop lever (5-2) is fixedly connected to the sliding groove seat (5-1), the telescopic rod (5-3) is connected to the hollow stop lever (5-2) in a sliding fit manner, the hinge block (5-4) is fixedly connected to the upper end of the telescopic rod (5-3), the compression spring (5-5) is sleeved on the telescopic rod (5-3), two ends of the hinge block (5-4) are respectively fixedly connected with the hinge block (5-4) and the hollow stop lever (5-2), and the limiting plate (5-6) is fixedly connected to the upper end of the hollow stop lever (5-2); the hinged block (5-4) is rotationally connected to the disc seat (4-3); the expansion adjusting piece (7) is connected with the hollow stop lever (5-2) in a matching way; two ends of the sliding groove seat (5-1) are respectively provided with a lower sliding groove (5-7), and the outer end of the sliding groove seat (5-1) is respectively provided with an outer sliding groove (5-8); the lower sliding chutes (5-7) are communicated with the outer sliding chutes (5-8).

7. The centrifugal fire-fighting smoke exhaust fan of claim 6, characterized in that: the expansion adjusting piece (7) comprises a sliding block (7-1), a second electric push rod (7-2), an auxiliary hinge stop lever (7-3), a groove block (7-4) and a short pin (7-5); the sliding block (7-1) is connected to the hollow stop lever (5-2) in a sliding fit mode, the sliding block (7-1) is fixedly connected to the extending end of the second electric push rod (7-2), the second electric push rod (7-2) is fixedly connected to the lower end of the hollow stop lever (5-2), two ends of the sliding block (7-1) are respectively and rotatably connected with one auxiliary hinged stop lever (7-3), the two auxiliary hinged stop levers (7-3) are respectively and rotatably connected to the two groove blocks (7-4), the two groove blocks (7-4) are respectively and slidably connected to the two lower sliding grooves (5-7), the two groove blocks (7-4) are respectively and fixedly connected with one short pin (7-5), and the two short pins (7-5) are respectively and slidably connected to the two outer sliding grooves (5-8).

8. The centrifugal fire smoke exhaust fan of claim 7, wherein: the supporting sliding seat assembly (6) comprises a circular ring seat (6-1), a U-shaped fixed seat (6-2) and an annular sliding groove (6-3); the circular ring seat (6-1) is fixedly connected inside the four U-shaped fixing seats (6-2), the four U-shaped fixing seats (6-2) are fixedly connected to the outer end of the hollow cylinder (1-1) in a surrounding mode, an annular sliding groove (6-3) is formed in the middle of each U-shaped fixing seat (6-2), the two inner sliding blocks (3-8) are connected into the annular sliding groove (6-3) in a sliding fit mode, and the two limiting rods (3-9) are attached to the inner wall of the circular ring seat (6-1).

9. The centrifugal fire smoke exhaust fan of claim 7, wherein: the limiting plate (5-6) is positioned at the left end of the sliding block (7-1).

Technical Field

The invention relates to the field of fire-fighting smoke exhaust equipment, in particular to a centrifugal fire-fighting smoke exhaust fan.

Background

The current patent is CN 201821722921.9's a novel centrifugal smoke exhaust fan, and this utility model discloses a novel centrifugal smoke exhaust fan, and it includes the snail casing and sets up the impeller in the snail casing, snail casing air outlet position sets up the polylith filter, by polylith filter amalgamation one-tenth filtering plane, and wherein, the snail casing corresponds each filter and is provided with the plug slot respectively, and the filter is connected to on the snail casing through corresponding plug slot. This novel centrifugal smoke exhaust fan can effectively filter impurity through setting up the filter to this centrifugal smoke exhaust fan's filter is multi-disc mosaic structure, thereby can make the user carry out the pertinence according to the in service behavior of filter and change or wash, has avoided the filter to change the problem that all needs whole board to change at every turn, has improved the utilization efficiency of filter, greatly reduced the maintenance cost of fan. However, the device can not block the sundries sucked by mistake, and the sundries sucked by mistake are easy to be wound on the blades of the fan blades, thereby influencing the use.

Disclosure of Invention

The invention aims to provide a centrifugal fire-fighting smoke exhaust fan which has the beneficial effects that the centrifugal fire-fighting smoke exhaust fan can block sundries sucked by mistake and prevent the sundries sucked by mistake from being wound on blades.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a centrifugal fire control air exhauster of discharging fume, includes casing subassembly, centrifugal fan subassembly, keeps off thing mount pad, keeps off thing regulating part, keeps off thing subassembly, supporting slide subassembly and extension regulating part, centrifugal fan subassembly establish on casing subassembly, keep off thing mount pad cooperation and connect on centrifugal fan subassembly, it is located casing subassembly to keep off thing mount pad, keep off thing regulating part swing joint at centrifugal fan subassembly's left end, the right-hand member that keeps off the thing regulating part is connected with keeping off thing mount pad, four left ends that keep off the thing subassembly are around establishing on keeping off the thing regulating part, four right-hand members that keep off the thing subassembly are all established on keeping off the thing mount pad, four keep off being equipped with an extension regulating part on the thing subassembly respectively, the supporting slide subassembly is established on casing subassembly, the right-hand member that keeps off the thing mount pad is connected with the supporting slide subassembly cooperation.

As a further optimization of the technical scheme, the centrifugal fire-fighting smoke exhaust fan comprises a shell assembly, a shell assembly and a fan assembly, wherein the shell assembly comprises a hollow cylinder, an external expanding cover, a back plate, an air outlet, a lower baffle plate and a locking screw; the left end and the right end of the hollow cylinder are respectively fixedly connected with the external expanding cover and the back plate, the lower end of the hollow cylinder is fixedly connected and communicated with the air outlet, the lower end of the external expanding cover is provided with an opening, the lower baffle plate is connected to the opening at the lower end of the external expanding cover in a sealing and sliding fit manner, the lower baffle plate is connected with two locking screws in a threaded fit manner, and the two locking screws are connected to the external expanding cover in a threaded fit manner; the centrifugal fan assembly is arranged on the hollow cylinder.

As a further optimization of the technical scheme, the centrifugal fire-fighting smoke exhaust fan comprises a motor, a rotating shaft, centrifugal fan blades, a shaft frame plate and a convex rod, wherein the motor is connected with the rotating shaft; the motor is fixedly connected to the back plate through the motor frame, an output shaft of the motor is connected with the rotating shaft through the coupler, the rotating shaft is connected to the back plate in a sealing and rotating mode, the centrifugal fan blades are fixedly connected to the right end of the rotating shaft, the middle of the rotating shaft is connected to the shaft frame plate in a rotating mode, the shaft frame plate is fixedly connected to the inner wall of the hollow cylinder, and four convex rods are arranged on the left end of the rotating shaft in a winding; the object blocking piece mounting seat is connected with the rotating shaft in a matching mode, and the object blocking adjusting piece is connected with the convex rod in a matching mode.

As further optimization of the technical scheme, the centrifugal fire-fighting smoke exhaust fan comprises an object blocking piece mounting seat, a centrifugal smoke exhaust fan and a fan body, wherein the object blocking piece mounting seat comprises an annular frame, a middle plate, a groove, a hinged seat, a hook plate, a sliding sleeve, a positioning screw, an inner sliding block and a limiting rod; the inner part of the annular frame is fixedly connected with an intermediate plate, the annular frame is connected in the hollow cylinder in a sliding fit manner, the intermediate plate is connected on the rotating shaft in a sliding fit manner, the intermediate plate is positioned between the shaft frame plate and the convex rod, and the middle part of the intermediate plate is provided with four grooves in a surrounding manner; the groove is arranged corresponding to the convex rod; four hinging seats are uniformly arranged on the annular frame in a surrounding manner, two hook plates are symmetrically and fixedly connected on the annular frame, the two hook plates are respectively connected on the two sliding sleeves in a sliding fit manner, and the two sliding sleeves are respectively connected with a positioning screw in a threaded fit manner; the positioning screw is tightly propped against the hook plate; the inner ends of the two sliding sleeves are respectively fixedly connected with an inner sliding block; the two inner sliding blocks are matched and connected with the supporting sliding seat assembly, and the inner ends of the two inner sliding blocks are respectively fixedly connected with a limiting rod; the four object blocking components are respectively connected with the four hinged seats in a matching way.

As the further optimization of the technical scheme, the centrifugal fire-fighting smoke exhaust fan comprises a blocking object adjusting part, a first electric push rod and a second electric push rod, wherein the blocking object adjusting part comprises a shaft sleeve, a convex rod sliding groove, a disc seat and a first electric push rod; the axle sleeve sliding fit connects in the pivot, is equipped with four nose bar spouts on the axle sleeve, and four nose bars are sliding fit connection respectively in four nose bar spouts, and disc seat fixed connection is at the left end of axle sleeve, and four fender thing subassemblies evenly encircle to be connected on disc seat, and the right-hand member fixed connection of axle sleeve is in first electric putter's flexible end, and first electric putter fixed connection is on the intermediate lamella.

As a further optimization of the technical scheme, the centrifugal fire-fighting smoke exhaust fan comprises a material blocking component, a material blocking component and a material blocking component, wherein the material blocking component comprises a sliding groove seat, a hollow blocking rod, a telescopic rod, a hinging block, a compression spring, a limiting plate, a lower sliding groove and an outer sliding groove; the middle part of the sliding groove seat is rotatably connected to the hinge seat, the hollow stop lever is fixedly connected to the sliding groove seat, the telescopic rod is connected to the hollow stop lever in a sliding fit manner, the hinge block is fixedly connected to the upper end of the telescopic rod, the compression spring is sleeved on the telescopic rod, two ends of the hinge block are respectively fixedly connected to the hinge block and the hollow stop lever, and the limiting plate is fixedly connected to the upper end of the hollow stop lever; the hinged block is rotationally connected to the disc seat; the expansion adjusting piece is connected with the hollow stop lever in a matching way; two ends of the sliding groove seat are respectively provided with a lower sliding groove, and the outer end of the sliding groove seat is respectively provided with an outer sliding groove; the lower chute is communicated with the outer chute.

As further optimization of the technical scheme, the centrifugal fire-fighting smoke exhaust fan comprises an expansion adjusting piece, a first electric push rod, a first auxiliary hinged stop lever, a groove block and a short pin, wherein the expansion adjusting piece comprises a sliding block, a second electric push rod, an auxiliary hinged stop lever and a short pin; sliding block sliding fit connects on hollow pin, sliding block fixed connection is in second electric putter's the end that stretches out, second electric putter fixed connection is at the lower extreme of hollow pin, the both ends of sliding block rotate respectively and connect an auxiliary articulated pin, two auxiliary articulated pins rotate respectively and connect on two channel blocks, two channel blocks sliding fit connects respectively in two lower spouts, a short pin of fixed connection respectively on two channel blocks, two short pins sliding fit connects respectively in two outer spouts.

As the further optimization of the technical scheme, the centrifugal fire-fighting smoke exhaust fan comprises a supporting sliding seat assembly, a supporting sliding seat assembly and a fan body assembly, wherein the supporting sliding seat assembly comprises a circular ring seat, a U-shaped fixed seat and an annular sliding groove; ring seat fixed connection is in the inside of four U type fixing bases, and four U type fixing bases encircle fixed connection in the outer end of hollow section of thick bamboo, and the middle part of U type fixing base is equipped with annular spout, and the equal sliding fit of two interior sliders is connected in annular spout, and two gag lever posts all laminate with the inner wall of ring seat.

As the further optimization of the technical scheme, the centrifugal fire-fighting smoke exhaust fan is characterized in that the limiting plate is positioned at the left end of the sliding block.

The centrifugal fire-fighting smoke exhaust fan has the beneficial effects that:

the centrifugal fire-fighting smoke exhaust fan can block sundries sucked by mistake and prevent the sundries sucked by mistake from being wound on blades. When sundries such as cloth, plastic bags and the like are sucked, the sundries can be blocked by the four object blocking components in the inclined state, and the sundries are gathered towards the outer end under the driving of the rotation of the object blocking components and the horizontal wind power of air draft because the object blocking components are in the inclined state, so that the sundries are prevented from being retained on the four object blocking components all the time, the normal work of the fan is not influenced, and the fan is protected; when the device is in an installation state, the four object blocking assemblies are adjusted to be positioned in the same vertical plane through the object blocking adjusting pieces, and sundries gathered at the outer end can fall on the lower end of the shell assembly under the action of gravity, so that the sundries are taken out from the lower end of the shell assembly.

Drawings

FIG. 1 is a first schematic structural view of a centrifugal type fire-fighting smoke exhaust fan according to the present invention;

FIG. 2 is a second schematic structural view of a centrifugal fire-fighting smoke exhaust fan according to the present invention;

FIG. 3 is a third schematic structural view of a centrifugal fire-fighting smoke exhaust fan according to the present invention;

FIG. 4 is a first schematic structural view of the housing assembly;

FIG. 5 is a second schematic structural view of the housing assembly;

FIG. 6 is a schematic structural view of a centrifugal fan assembly;

FIG. 7 is a schematic structural view of an object blocking member mounting seat;

FIG. 8 is a schematic view of the stopper adjusting member;

FIG. 9 is a schematic view of the cooperative arrangement of the stop assembly and the expansion adjustment member;

figure 10 is a schematic structural view of the support carriage assembly.

In the figure: a housing assembly 1; 1-1 of a hollow cylinder; 1-2 of an external expanding cover; 1-3 of a back plate; air outlets 1-4; 1-5 parts of a lower baffle plate; locking screws 1-6; a centrifugal fan assembly 2; a motor 2-1; a rotating shaft 2-2; 2-3 of centrifugal fan blades; 2-4 of a shaft frame plate; 2-5 parts of a convex rod; an object blocking member mounting base 3; a ring frame 3-1; a middle plate 3-2; 3-3 of a groove; 3-4 of a hinge seat; 3-5 of hook plates; 3-6 parts of a sliding sleeve; 3-7 of a positioning screw; 3-8 parts of an inner slide block; 3-9 parts of a limiting rod; a stopper adjusting member 4; a shaft sleeve 4-1; a convex rod chute 4-2; 4-3 of a disc seat; a first electric push rod 4-4; a stopper member 5; 5-1 of a chute seat; 5-2 parts of a hollow stop lever; 5-3 parts of a telescopic rod; hinge blocks 5-4; 5-5 of a compression spring; 5-6 parts of a limiting plate; 5-7 parts of a lower chute; 5-8 parts of an outer chute; a support carriage assembly 6; 6-1 of a circular ring seat; a U-shaped fixed seat 6-2; 6-3 of an annular chute; an expansion adjustment member 7; a sliding block 7-1; a second electric push rod 7-2; an auxiliary hinge stop lever 7-3; 7-4 of a groove block; short pins 7-5.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the electrical components that appear in this application all external intercommunication power and control switch when using.

The invention is described in further detail below with reference to the accompanying figures 1-10 and the detailed description.