CN215109558U

CN215109558U - Centrifugal blower with prevent foreign matter jam structure

Info

Publication number: CN215109558U
Application number: CN202121259044.8U
Authority: CN
Inventors: 闫孟秋
Original assignee: Wuhan Northwest Fan Development Co ltd
Current assignee: Wuhan Northwest Fan Development Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-10
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a centrifugal blower with prevent foreign matter blocking structure, including the blower housing, the one end outer wall of blower housing runs through and has seted up one and gone into the wind gap, just cross baffle of inner wall fixedly connected with of income wind gap, driving motor of one end inner wall fixedly connected with in the wind gap is kept away from to the blower housing, the beneficial effects of the utility model are that: external debris is more, it rotates the handle and drives the threaded rod rotation to rotate, and drive the screw cap and rotate, the screw cap drives the carriage release lever and removes, the carriage release lever drives the slip cap removal in the fixed block simultaneously, the screw cap removes with the slip cap that the carriage release lever is spacing to prevent that the air-blower from induced drafting time movable rod bending, the carriage release lever drives the protective frame and the filter screen removal of one side when the outer one end of fixed block removes, remove the filter screen outside going into the wind gap, filter the wind of inhaling with centrifugal air-blower, avoid having the foreign matter to get into in the centrifugal air-blower, cause and block up harm.

Description

Centrifugal blower with prevent foreign matter jam structure

Technical Field

The utility model relates to a centrifugal blower prevents blockking up technical field, specifically is a centrifugal blower with prevent foreign matter jam structure.

Background

The centrifugal blower uses the centrifugal force generated by a rotating wheel with many blades to squeeze air to achieve a certain air quantity and pressure.

However, when the centrifugal blower works, a large amount of air needs to be sucked, external foreign matters are easily sucked, the centrifugal blower is blocked, and damage is caused to the blades and the centrifugal blower. For this reason, it is necessary to provide a centrifugal blower having a structure for preventing clogging by foreign substances.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal blower with prevent foreign matter jam structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a centrifugal blower with a foreign matter blocking prevention structure comprises a blower shell, wherein an air inlet is formed in the outer wall of one end of the blower shell in a penetrating mode, a cross baffle is fixedly connected to the inner wall of the air inlet, a driving motor is fixedly connected to the inner wall of one end, far away from the air inlet, of the blower shell, the output end of the driving motor is fixedly connected with a driving fan through a coupler, a moving block is fixedly connected to the outer wall of one end, located at the air inlet, of the blower shell, a moving groove is formed in the upper surface of the moving block in a penetrating mode, the opposite inner walls of the moving groove are connected with a threaded rod in a rotating mode through bearings, one end of the threaded rod extends out of the moving block through a penetrating mode through the bearings, a threaded cap is connected to the outer wall of one end of the threaded rod in a threaded mode, and a moving rod is fixedly connected to the upper surface of the threaded cap, the moving rod extends to the outside of the moving groove, the outer surface of the blower shell is located at the upper end of the moving block and is fixedly connected with a fixing block, the lower surface of the fixing block is provided with a sliding groove in a penetrating mode, the inner wall, opposite to the sliding groove, of the sliding rod is fixedly connected with the sliding rod, the outer wall of the sliding rod is connected with a sliding cap in a sliding mode, and one end, located outside the moving block, of the moving rod extends into the sliding groove and is fixedly connected with the sliding cap.

Preferably, the outer wall of one end of the moving rod, which is located outside the moving block, is fixedly connected with a protection frame, and the inner wall of the protection frame is fixedly connected with a filter screen.

Preferably, the outer wall of one side of the blower housing is fixedly connected with an air outlet pipe, and the air outlet pipe penetrates and extends into the blower housing.

Preferably, the threaded rod extends to the outer wall of one end of the moving block and is fixedly connected with a rotating handle.

Preferably, the moving block and the fixed block are arranged in parallel.

Preferably, the moving rod is perpendicular to the fixed block relative to the moving block.

Compared with the prior art, the beneficial effects of the utility model are that: external debris is more, it rotates the handle and drives the threaded rod rotation to rotate, and drive the screw cap and rotate, the screw cap drives the carriage release lever and removes, the carriage release lever drives the slip cap removal in the fixed block simultaneously, the screw cap removes with the slip cap that the carriage release lever is spacing to prevent that the air-blower from induced drafting time movable rod bending, the carriage release lever drives the protective frame and the filter screen removal of one side when the outer one end of fixed block removes, remove the filter screen outside going into the wind gap, filter the wind of inhaling with centrifugal air-blower, avoid having the foreign matter to get into in the centrifugal air-blower, cause and block up harm.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic side view of the driving motor of the present invention;

FIG. 3 is a schematic side view of the protection frame of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention;

fig. 5 is an enlarged schematic structural diagram of a portion B in fig. 1 according to the present invention.

In the figure: 1. a blower housing; 2. an air inlet; 3. a cross baffle plate; 4. a drive motor; 5. driving a fan; 6. a moving block; 7. a moving groove; 8. a threaded rod; 9. a threaded cap; 10. a travel bar; 11. a fixed block; 12. a sliding groove; 13. a slide bar; 14. a sliding cap; 15. a protective frame; 16. a filter screen; 17. an air outlet pipe; 18. the handle is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a centrifugal blower with a foreign matter blocking prevention structure comprises a blower shell 1, wherein an air inlet 2 is formed in the outer wall of one end of the blower shell 1 in a penetrating mode, a cross baffle 3 is fixedly connected to the inner wall of the air inlet 2, a driving motor 4 is fixedly connected to the inner wall of one end, far away from the air inlet 2, of the blower shell 1, the output end of the driving motor 4 is fixedly connected with a driving fan 5 through a coupler, a moving block 6 is fixedly connected to the outer wall of one end, located at the air inlet 2, of the blower shell 1, a moving groove 7 is formed in the upper surface of the moving block 6 in a penetrating mode, the opposite inner walls of the moving groove 7 are connected with a threaded rod 8 in a rotating mode through bearings, one end of the threaded rod 8 extends out of the moving block 6 through the bearings, a threaded cap 9 is connected to the outer wall of one end of the threaded rod 8 in a threaded mode, and a moving rod 10 is fixedly connected to the upper surface of the threaded cap 9, and the movable rod 10 extends to outside the movable groove 7, the outer surface of the blower housing 1 is located at the upper end of the movable block 6 and is fixedly connected with a fixed block 11, the lower surface of the fixed block 11 is penetrated and provided with a sliding groove 12, the relative inner wall of the sliding groove 12 is fixedly connected with a sliding rod 13, the outer wall of the sliding rod 13 is slidably connected with a sliding cap 14, and the end of the movable rod 10, which is located outside the movable block 6, extends into the sliding groove 12 and is fixedly connected with the sliding cap 14.

Wherein, the shift lever 10 is located one end outer wall fixedly connected with protection frame 15 outside the movable block 6, and the common fixedly connected with filter screen 16 of inner wall of protection frame 15 is convenient for the staff to use filter screen 16 to filter the inspiratory wind of air-blower, avoids having debris to carry out in the air-blower.

Wherein, the outer wall fixedly connected with one side of air-blower shell 1 goes out tuber pipe 17, and goes out in tuber pipe 17 runs through and extends to air-blower shell 1, and the air-blower of being convenient for blows out inspiratory wind through going out tuber pipe 17.

Wherein, threaded rod 8 extends to the outer one end outer wall fixedly connected with of movable block 6 and rotates handle 18, and the staff of being convenient for uses to rotate handle 18 and drives threaded rod 8 and rotate, removes protective frame 15.

The moving block 6 and the fixed block 11 are arranged in parallel, so that the worker can move the moving rod 10 and the protective frame 15 conveniently.

The moving rod 10 is perpendicular to the moving block 6 and the fixed block 11, so that a worker can use the moving rod 10 to drive the protection frame 15 and the filter screen 16 to move.

Specifically, when the centrifugal blower is used, when the centrifugal blower is required to work, the driving motor 4 is firstly driven, the driving motor 4 drives the driving fan 5 to rotate, air outside the centrifugal blower is sucked into the centrifugal blower 2 through the air inlet, the cross baffle 3 at the air inlet 2 prevents large sundries from entering the centrifugal blower, when more sundries exist outside, the rotating handle 18 is firstly rotated, the rotating handle 18 drives the threaded rod 8 to rotate, the threaded rod 8 rotates in the moving groove 7 formed in the moving block 6 and drives the threaded cap 9 in threaded connection to rotate, but under the limit of the moving rod 10 and the moving groove 7, the threaded rod 8 drives the threaded cap 9 to move, the moving rod 10 fixed at the upper end is driven to move when the threaded cap 9 moves in the moving groove 7, the moving rod 10 simultaneously drives the sliding cap 14 to move when moving outside the moving block 6, the sliding cap 14 moves on the sliding rod 13 in the sliding groove 12, meanwhile, the moving rod 10 is limited by the threaded cap 9 and the sliding cap 14 to prevent the moving rod 10 from being bent when the air blower sucks air, and one end of the moving rod 10 outside the fixed block 11 drives the protective frame 15 on one side to move and drives the filter screen 16 to move until the filter screen 16 is moved to the outside of the air inlet 2.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 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, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A centrifugal blower with a foreign matter blocking prevention structure comprises a blower shell (1) and is characterized in that an air inlet (2) penetrates through the outer wall of one end of the blower shell (1), a cross baffle (3) is fixedly connected to the inner wall of the air inlet (2), a driving motor (4) is fixedly connected to the inner wall of one end, far away from the air inlet (2), of the blower shell (1), the output end of the driving motor (4) is fixedly connected with a driving fan (5) through a coupler, a moving block (6) is fixedly connected to the outer wall of one end, located at the air inlet (2), of the blower shell (1), a moving groove (7) penetrates through the upper surface of the moving block (6), and the opposite inner walls of the moving groove (7) are rotatably connected with a threaded rod (8) through bearings, one end of the threaded rod (8) penetrates through the bearing and extends out of the moving block (6), the outer wall of one end of the threaded rod (8) is connected with a threaded cap (9) in a threaded manner, the upper surface of the threaded cap (9) is fixedly connected with a movable rod (10), the moving rod (10) extends out of the moving groove (7), the outer surface of the blower shell (1) is fixedly connected with a fixed block (11) at the upper end of the moving block (6), the lower surface of the fixed block (11) is provided with a sliding groove (12) in a penetrating way, the opposite inner walls of the sliding grooves (12) are fixedly connected with a sliding rod (13), the outer wall of the sliding rod (13) is connected with a sliding cap (14) in a sliding way, one end of the moving rod (10) positioned outside the moving block (6) extends into the sliding groove and is fixedly connected with the sliding cap (14).

2. The centrifugal blower with the structure for preventing clogging with foreign matters according to claim 1, wherein: the outer wall of one end, located outside the moving block (6), of the moving rod (10) is fixedly connected with a protection frame (15), and a filter screen (16) is fixedly connected to the inner wall of the protection frame (15) jointly.

3. The centrifugal blower with the structure for preventing clogging with foreign matters according to claim 1, wherein: the air-out pipe (17) is fixedly connected to the outer wall of one side of the blower shell (1), and the air-out pipe (17) penetrates and extends into the blower shell (1).

4. The centrifugal blower with the structure for preventing clogging with foreign matters according to claim 1, wherein: the threaded rod (8) extends to the outer wall of one end of the moving block (6) and is fixedly connected with a rotating handle (18).

5. The centrifugal blower with the structure for preventing clogging with foreign matters according to claim 1, wherein: the moving block (6) and the fixed block (11) are arranged in parallel.

6. The centrifugal blower with the structure for preventing clogging with foreign matters according to claim 1, wherein: the moving rod (10) is perpendicular to the fixed block (11) relative to the moving block (6).