CN218093433U - Dustproof screw blower - Google Patents

Abstract

The utility model relates to the technical field of air blowers, and discloses a dustproof screw air blower, which comprises an air blower shell and an air inlet pipe, wherein the upper part of the air blower shell is detachably, hermetically and fixedly provided with an upper cover, the air inlet pipe is vertically and fixedly communicated with the middle position of the upper part of the upper cover, and a filtering and dustproof assembly is arranged in the air inlet pipe, so that the inner cavity of the air blower shell is prevented from dust, and the middle position of the bottom of the air blower shell is fixedly communicated with an exhaust pipe; the utility model discloses a grafting section of thick bamboo is pegged graft in the air-supply line, and the air-blower carries out convulsions through the air-supply line at the during operation, and the wind wheel in the air-supply line is rotatory along with the wind this moment, and the wind wheel is rotatory can drive the brush-holder stud and is cleared up awl net section of thick bamboo outer wall remaining dust, avoids a awl net section of thick bamboo to take place to block up, and is comparatively practical, is fit for extensively promoting and using.

Description

Dustproof screw blower

Technical Field

The utility model relates to an air-blower technical field specifically is a dustproof screw air-blower.

Background

The screw blower is in meshed rotary operation by utilizing the same pair of screw rotors, the volume of each screw groove is increased from small to large in the process from air suction, compression to air exhaust, the volume is internally compressed and then the air is exhausted to an air outlet, the mechanical energy of the screw rotors is converted into the pressure and the kinetic energy of the air, and the screw blower is easy to absorb dust in the air to enter the equipment in the using process.

Through retrieval chinese patent publication No. CN 213655129U discloses a novel screw blower, relate to screw blower technical field, the utility model discloses a shell device, a drive arrangement, rotating device, ventilation unit and fixing device, the shell device includes the outer casing, the outer casing has the columnar structure of cavity for inside, drive arrangement includes fixed plate and driving motor, a plurality of fixed plate side surfaces all with outer casing internal surface welding, a plurality of fixed plates, the position is parallel to each other, rotating device includes the base bearing, the driving shaft and follows the bearing, a plurality of fixed plate side surfaces all are equipped with an trompil, a plurality of base bearings respectively with a plurality of trompil normal running fit, a plurality of fixed plate side surfaces all are equipped with a through-hole. Although the utility model discloses a novel screw blower, motor end cover is in order to dismantle and dustproof and waterproof, and the dust in the air of filter screen filtration intake pipe sets up the hush pipe, reduces the sound when giving vent to anger, and noise abatement's production is sealed through setting up sealed the pad, for sealed space, prevents that the dust from advancing.

However, the inventor finds that the technical scheme still has at least the following defects:

although the filter screen is arranged on the air inlet pipe in order to prevent dust from entering the inner cavity of the blower in the technical scheme, the filter screen can only filter large-particle dust particles, and fine dust particles cannot be filtered; and the filter screen filters the condition that can cause the jam for a long time, influences the intake.

Disclosure of Invention

The utility model aims to provide a dustproof screw air blower, which solves the problems that in the prior art proposal provided in the background technology, although the dust is prevented from entering the inner cavity of the air blower, the air inlet pipe is only provided with a filter screen which can only filter large dust particles and can not filter fine dust particles; and the filter screen filters the condition that can cause the jam for a long time, influences the problem of intake.

In order to achieve the above object, the utility model provides a following technical scheme: a dustproof screw blower comprises a blower shell and an air inlet pipe, wherein an upper cover is detachably, hermetically and fixedly arranged on the upper part of the blower shell, the air inlet pipe is vertically and fixedly communicated with the middle position of the upper part of the upper cover, and a filtering dustproof assembly is arranged in the air inlet pipe so as to prevent dust in an inner cavity of the blower shell; and an exhaust pipe is fixedly communicated with the middle position of the bottom of the blower shell.

As a preferred embodiment of the present invention, the filtering and dust-proof assembly mainly includes an insertion cylinder and a conical net cylinder fixed in an inner cavity of the insertion cylinder, and a lower end of the conical net cylinder is fixed on an inner wall of the insertion cylinder; the air filter is characterized in that a conical air filter is movably inserted into the insertion cylinder, a wind-following cleaning assembly is arranged on the upper portion of the conical net cylinder, a threaded screw rod is vertically fixed to the top of an inner cavity of the conical net cylinder, and an extrusion assembly is arranged at the lower end of the threaded screw rod.

As a preferred embodiment of the utility model, the extrusion assembly mainly comprises a compression ring and a cross rod, the cross rod is fixed in the middle of the inner wall of the compression ring, the compression ring is arranged at the lower end part of the conical air filter, and the middle part of the cross rod is provided with a threaded hole matched with the threaded screw rod; and a rubber ring is fixedly sleeved on the outer wall of the compression ring.

As a preferred embodiment of the utility model, clean the subassembly with the wind and mainly include the wind wheel, the axostylus axostyle lower extreme of wind wheel passes through bearing movable mounting and is in the upper portion of awl net section of thick bamboo, the axostylus axostyle lateral wall of wind wheel is fixed with the brush-holder stud, and the laminating of brush-holder stud's brush portion is in awl net section of thick bamboo outer wall.

As a preferred embodiment of the utility model, a lifting rod is fixed at the upper opening of the inner cavity of the plug-in cylinder.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a dustproof screw rod air-blower, a grafting section of thick bamboo is pegged graft in the air-supply line, and the air-blower carries out convulsions through the air-supply line at the during operation, and the wind wheel in the air-supply line is rotatory along with the wind this moment, and the wind wheel rotation can drive the rotation of brush-holder stud and clear up awl net section of thick bamboo outer wall remaining dust, avoids a awl net section of thick bamboo to take place to block up.

2. The utility model relates to a dustproof screw blower, which is provided with a conical air filter between the bottom of a conical mesh cylinder and a compression ring, can fully filter air and prevent dust particles from entering the inner cavity of the blower; when the empty time of straining of toper need be changed in the later stage, operating personnel will insert a section of thick bamboo and draw out from the air-intake pipe, and then the idol rotates the horizontal pole with the clamping ring from the screw lead screw and takes out, just can take out the empty time of straining of toper, and it is very convenient to operate.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of a dust-proof screw blower according to the present invention;

FIG. 2 is a schematic view of the inlet air filtering dust-proof assembly of the dust-proof screw blower of the present invention;

FIG. 3 is a schematic view of a compression ring structure of a dustproof screw blower according to the present invention;

FIG. 4 is a schematic view of a cone net cylinder structure of a dustproof screw blower of the present invention;

fig. 5 is the schematic view of the conical air filter structure of the dustproof screw blower of the present invention.

In the figure: 1. a blower housing; 2. an upper cover; 3. a plug-in barrel; 4. an air inlet pipe; 5. an exhaust duct; 6. a brush rod; 7. lifting a rod; 8. a wind wheel; 9. a conical screen cylinder; 10. conical air filtering; 11. a threaded lead screw; 12. pressing a ring; 13. a rubber ring; 14. a threaded hole; 15. a cross bar.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like 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, and 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 therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a dustproof screw blower comprises a blower shell 1 and an air inlet pipe 4, wherein an upper cover 2 is detachably, hermetically and fixedly arranged on the upper part of the blower shell 1, the air inlet pipe 4 is vertically and fixedly communicated with the middle position of the upper part of the upper cover 2, and a filtering dustproof component is arranged in the air inlet pipe 4 so as to prevent dust in an inner cavity of the blower shell 1; an exhaust pipe 5 is fixedly communicated with the middle position of the bottom of the blower shell 1.

Referring to fig. 2-5, in the embodiment, the filtering and dust-proof assembly mainly includes an insertion cylinder 3 and a cone net cylinder 9 fixed in the inner cavity of the insertion cylinder 3, wherein the lower end of the cone net cylinder 9 is fixed on the inner wall of the insertion cylinder 3; a conical air filter 10 is embedded in the insertion cylinder 3 and movably inserted, a wind-following cleaning assembly is arranged at the upper part of the conical net cylinder 9, a threaded screw rod 11 is vertically fixed at the top of an inner cavity of the conical net cylinder 9, and an extrusion assembly is arranged at the lower end of the threaded screw rod 11; a lifting rod 7 is fixed at the upper opening of the inner cavity of the insertion cylinder 3. In this setting, operating personnel can take out a section of thick bamboo 3 from air-supply line 4 through shadoof 7, convenient and fast.

Referring to fig. 2-5, further, the extrusion assembly mainly includes a press ring 12 and a cross bar 15, the cross bar 15 is fixed in the middle of the inner wall of the press ring 12, the press ring 12 is arranged at the lower end of the conical air filter 10, and a threaded hole 14 adapted to the threaded screw rod 11 is formed in the middle of the cross bar 15; the outer wall that is located clamping ring 12 is fixed to be cup jointed with rubber ring 13, and rubber ring 13 outside forms the driving fit with air-supply line 4 inner wall, cleans the subassembly along with the wind and mainly includes wind wheel 8, and bearing movable mounting is passed through on the upper portion of awl net section of thick bamboo 9 to the axostylus axostyle lower extreme of wind wheel 8, and the axostylus axostyle lateral wall of wind wheel 8 is fixed with brush-holder stud 6, and the laminating of brush portion of brush-holder stud 6 is at awl net section of thick bamboo 9 outer wall. In this setting, the air-blower carries out convulsions through air-supply line 4 at the during operation, and the wind wheel 8 in the air-supply line 4 is rotatory along with the wind this moment, and 8 rotations of wind wheel can drive brush-holder stud 6 and rotate and clear up the remaining dust of awl net section of thick bamboo 9 outer wall, avoid awl net section of thick bamboo 9 to take place to block up.

It should be noted that, the utility model relates to a dustproof screw blower, each is the parts that general standard component or skilled person in the art know, and its structure and principle all are that this technical person can all learn through the technical manual or learn through conventional experimental method.

The working principle is as follows: the inserting cylinder 3 is inserted into the air inlet pipe 4, the air blower sucks air through the air inlet pipe 4 when in work, the wind wheel 8 in the air inlet pipe 4 rotates along with wind at the moment, the wind wheel 8 rotates to drive the brush rod 6 to rotate to clean dust remained on the outer wall of the conical net cylinder 9, the conical net cylinder 9 is prevented from being blocked, and the conical air filter 10 is arranged between the bottom of the conical net cylinder 9 and the pressing ring 12, so that air can be sufficiently filtered, and dust particles are prevented from entering an inner cavity of the air blower; when the empty 10 that strains of toper needs to be changed in the later stage, operating personnel will insert a section of thick bamboo 3 and draw out from air-supply line 4, then the even horizontal pole 15 with clamping ring 12 rotates from screw lead screw 11 and takes out, just can take out the empty 10 that strains of toper, and it is very convenient to operate.

Claims (6)

1. The utility model provides a dustproof screw blower, includes air blower shell (1) and air-supply line (4), its characterized in that: the upper cover (2) is detachably fixed on the upper part of the blower shell (1) in a sealing manner, the air inlet pipe (4) is vertically and fixedly communicated with the middle position of the upper part of the upper cover (2), and a filtering dustproof assembly is arranged in the air inlet pipe (4) so as to prevent dust in the inner cavity of the blower shell (1); an exhaust pipe (5) is fixedly communicated with the middle position of the bottom of the air blower shell (1).

2. A dust screw blower according to claim 1, wherein: the filtering dustproof assembly mainly comprises an insertion cylinder (3) and a conical net cylinder (9) fixed in the inner cavity of the insertion cylinder (3), and the lower end of the conical net cylinder (9) is fixed on the inner wall of the insertion cylinder (3); the air filter is characterized in that a conical air filter (10) is embedded and movably inserted in the insertion cylinder (3), a wind-following cleaning assembly is arranged on the upper portion of the conical net cylinder (9), a threaded screw rod (11) is vertically fixed to the top of an inner cavity of the conical net cylinder (9), and an extrusion assembly is arranged at the lower end of the threaded screw rod (11).

3. A dust screw blower according to claim 2, wherein: the extrusion assembly mainly comprises a pressing ring (12) and a cross rod (15), the cross rod (15) is fixed in the middle of the inner wall of the pressing ring (12), the pressing ring (12) is arranged at the lower end of the conical air filter (10), and a threaded hole (14) matched with the threaded screw rod (11) is formed in the middle of the cross rod (15).

4. A dust screw blower according to claim 2, wherein: the wind sweeping component mainly comprises a wind wheel (8), the lower end of a shaft lever of the wind wheel (8) is movably mounted on the upper portion of the conical net cylinder (9) through a bearing, a brush rod (6) is fixed on the side wall of the shaft lever of the wind wheel (8), and a brush part of the brush rod (6) is attached to the outer wall of the conical net cylinder (9).

5. A dust screw blower according to claim 2, wherein: a lifting rod (7) is fixed at an opening at the upper part of the inner cavity of the inserting cylinder (3).

6. A dust screw blower according to claim 3, wherein: and a rubber ring (13) is fixedly sleeved on the outer wall of the compression ring (12).

Images