CN210738936U

CN210738936U - Axial flow fan casing of anti strong load capacity

Info

Publication number: CN210738936U
Application number: CN201921753160.8U
Authority: CN
Inventors: 吴玉生
Original assignee: Anhui Hengfeng Fan Manufacturing Co ltd
Current assignee: Anhui Hengfeng Fan Manufacturing Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-12
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses an anti axial fan casing of strong load-carrying capacity, the on-line screen storage device comprises a base, the rear end cap, fan casing and front end housing, and fan casing's both ends have all seted up the annular groove, the outer end that rear end cap and front end housing are close to fan casing one side lateral wall all is equipped with annular lug, front end cap and rear end cap are respectively through annular lug and annular groove fixed mounting at fan casing's both ends, the equal fixed mounting in both ends of fan casing inside has the filter, the inside of two filters all is provided with the cross bar and erects the bracing piece, and the cross bar is mutually perpendicular with perpendicular bracing piece, the inside of two filters all is provided with the filter screen through cross bar and perpendicular bracing piece. The utility model discloses can effectually reduce the inside that the dust got into fan casing, be convenient for install and dismantle, anti load capacity that carries by force is strong, and stable in structure is difficult to make the shell produce deformation for the security of fan is high.

Description

Axial flow fan casing of anti strong load capacity

Technical Field

The utility model relates to an axial fan technical field specifically is an axial fan casing of anti strong load capacity.

Background

The axial flow fan has a very wide application, namely, the axial flow fan is an axial flow type running fan which is an air flow in the same direction with the shaft of the fan blade, such as an electric fan, an air conditioner outer fan is called as an axial flow type running fan, because air flows in parallel to the fan shaft, the axial flow fan is usually used in the occasions with higher flow requirement and lower pressure requirement, the axial flow fan is fixed in position and moves the air, the axial flow fan mainly comprises a fan impeller and a casing, a large amount of dust is easily generated on the inner fan blade and the fan blade motor in the long-time use process of the existing axial flow fan, thereby lead to the inside structure of fan to damage easily, and current axial fan only relies on the bearing capacity of the shell of fan to bear the load that receives usually, and anti heavy load bearing capacity is poor, uses for a long time to make the shell produce deformation easily for the security of fan is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an axial fan casing of anti strong load capacity, in order to solve the in-process that proposes current axial fan in the above-mentioned background art and use for a long time, easily produce a large amount of dusts on the inside fan blade and on the fan blade motor, thereby lead to the inside structure of fan to damage easily, and current axial fan only relies on the bearing capacity of the shell of fan to bear the load that receives usually, anti strong load capacity is poor, use for a long time and make the shell produce deformation easily, make the problem that the security of fan is low.

In order to achieve the above object, the utility model provides a following technical scheme: an axial flow fan casing with strong load resistance comprises a base, a rear end cover, a fan casing and a front end cover, wherein the fan casing is of a cylindrical structure, annular grooves are formed in two ends of the fan casing, annular convex blocks are arranged at the outer ends of the rear end cover and the front end cover, which are close to the side wall of one side of the fan casing, the front end cover and the rear end cover are fixedly arranged at two ends of the fan casing respectively through the annular convex blocks and the annular grooves, filter plates are fixedly arranged at two ends inside the fan casing, transverse supporting rods and vertical supporting rods are arranged inside the two filter plates and are perpendicular to each other, filter screens are arranged inside the two filter plates through the transverse supporting rods and the vertical supporting rods, a supporting seat is fixedly arranged at the bottom of the fan casing, and the supporting seat and the fan casing are fixed through welding, the bottom of supporting seat fixed mounting has the base.

Preferably, a plurality of vent holes are formed in the rear end cover and the front end cover at equal intervals.

Preferably, two be through four connecting rod fixed connection between the filter, and four the connecting rod uses the central point of filter is centrosymmetric as the symmetric point.

Preferably, a through hole is formed in the side wall of one side of the annular groove, and a fixing screw is movably mounted inside the through hole.

Preferably, a threaded groove is formed in the side wall of one side of the annular convex block.

Preferably, the ventilation holes are all arranged from inside to outside in a downward inclined mode.

Preferably, the base with through welded fastening between the supporting seat, just the equal fixed mounting in both ends of base both sides lateral wall bottom has the fixed block, the fixed block with through welded fastening, and four between the base the equal movable mounting in inside of fixed block has fastening bolt.

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

1. the utility model discloses, front end housing and rear end cap are respectively through annular lug and annular groove fixed mounting at the both ends of fan casing, a plurality of ventilation hole has been seted up to the inside impartial interval of rear end cap and front end cap, the ventilation hole is all by interior and outer downward sloping setting, and all install two filters at the inside both ends of fan casing, make this device can effectually reduce the inside that external dust enters into the fan casing when the fan rotates, avoid the dust to cause the influence to the heat dissipation of fan blade and motor, can the inside structure of effectual protection fan.

2. The utility model discloses, the inside of two filters all is provided with the cross support pole and erects the bracing piece, and the cross support pole is mutually perpendicular with perpendicular bracing piece, the inside of two filters all is provided with the filter screen through cross support pole and perpendicular bracing piece, and through four connecting rod fixed connection between two filters, and four connecting rods use the central point of filter to be central symmetry as the symmetric point, thereby make two filters, four connecting rods, cross support pole and erect and form a bearing structure in the inside of fan casing between the bracing piece, thereby can effectually strengthen the ability of the anti strong load of this device, make the fan be difficult for producing deformation in long-time use.

3. The utility model discloses, front end housing and rear end cap are respectively through annular lug and annular groove fixed mounting at fan housing's both ends, set up threaded groove on the lateral wall of annular lug one side, make front end housing and rear end cap pass through annular lug joint earlier behind fan housing's both ends, rethread set screw fastens it, make front end housing and rear end cap more firm stable when the installation, and there is the fixed block through the equal fixed mounting in both ends of base both sides lateral wall bottom, the equal movable mounting in inside of four fixed blocks has fastening bolt, make this device be convenient for install, be convenient for fix the position that needs to use.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a side view of the filter plate of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a supporting seat; 3. a rear end cap; 4. a filter plate; 5. a fan housing; 6. a connecting rod; 7. a front end cover; 8. fastening a bolt; 9. a fixed block; 10. filtering with a screen; 11. a transverse support rod; 12. a vertical support rod; 13. an annular projection; 14. a set screw; 15. a through hole; 16. a threaded groove; 17. an annular groove; 18. a vent hole.

Detailed Description

In-process in order to have the axial fan at long-time the use, easily produce a large amount of dusts on avoiding inside fan blade and fan blade motor to be difficult to lead to the inside structure of fan to damage, and current axial fan only relies on the bearing capacity of the shell of fan to bear the load that receives usually, and it is poor to avoid anti heavy load ability, avoids long-time the use to make the shell produce deformation easily, makes the security of fan low, the embodiment of the utility model provides an anti heavy load ability's axial fan casing. 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.

Example 1

Referring to fig. 1-3, the embodiment provides an axial flow fan casing with strong load-resisting capability, including a base 1, a rear end cap 3, a fan housing 5 and a front end cap 7, wherein the fan housing 5 is of a cylindrical structure, two ends of the fan housing 5 are both provided with annular grooves 17, outer ends of the rear end cap 3 and the front end cap 7 near to one side wall of the fan housing 5 are both provided with annular bumps 13, the front end cap 7 and the rear end cap 3 are respectively fixedly installed at two ends of the fan housing 5 through the annular bumps 13 and the annular grooves 17, two ends inside the fan housing 5 are both fixedly installed with filter plates 4, two filter plates 4 are both provided with transverse support rods 11 and vertical support rods 12 inside, the transverse support rods 11 and the vertical support rods 12 are perpendicular to each other, two filter plates 4 are both provided with filter screens 10 through the transverse support rods 11 and the vertical support rods 12, the bottom of the fan, the supporting seat 2 and the fan shell 5 are fixed by welding, the base 1 is fixedly arranged at the bottom of the supporting seat 2, the base 1 and the supporting seat 2 are fixed by welding, and the two ends of the bottom of the side walls at the two sides of the base 1 are both fixedly provided with a fixed block 9, the fixed block 9 and the base 1 are fixed by welding, and the inside of the four fixed blocks 9 is movably provided with a fastening bolt 8, preferably, the two filter plates 4 are fixedly connected through four connecting rods 6, the four connecting rods 6 are centrosymmetric by taking the central point of the filter plate 4 as a symmetric point, the side wall on one side of the annular groove 17 is provided with a through hole 15, a fixing screw 14 is movably arranged in the through hole 15, so that the front end cover 7 and the rear end cover 3 can be conveniently fixed at two ends of the fan shell 5, and the side wall on one side of the annular convex block 13 is provided with a threaded groove 16, so that the front end cover 7 and the rear end cover 3 can be conveniently fixed at two ends of the fan shell 5.

In the embodiment, before use, the safety of each structural part of the device is checked, the fixing blocks 9 are fixedly arranged at two ends of the bottoms of the side walls at two sides of the base 1, the fastening bolts 8 are movably arranged in the four fixing blocks 9, so that the device is convenient to mount and fix at a position to be used, the front end cover 7 and the rear end cover 3 are fixedly arranged at two ends of the fan shell 5 through the annular convex blocks 13 and the annular grooves 17 respectively, the side wall at one side of the annular grooves 17 is provided with the through holes 15, the fixing screws 14 are movably arranged in the through holes 15, the side wall at one side of the annular convex blocks 13 is provided with the threaded grooves 16, so that the front end cover 7 and the rear end cover 3 are clamped at two ends of the fan shell 5 through the annular convex blocks 13 and then fastened through the fixing screws 14, so that the front end cover 7 and the rear end cover 3 are more firmly and stably mounted, the transverse supporting, the transverse supporting rod 11 and the vertical supporting rod 12 are perpendicular to each other, the filter screens 10 are arranged in the two filter plates 4 through the transverse supporting rod 11 and the vertical supporting rod 12, the two filter plates 4 are fixedly connected through the four connecting rods 6, the four connecting rods 6 are centrosymmetric by taking the central point of the filter plates 4 as a symmetric point, so that a supporting structure is formed in the fan shell 5 between the two filter plates 4, the four connecting rods 6, the transverse supporting rod 11 and the vertical supporting rod 12, the strong load resistance of the device can be effectively enhanced, the fan is not easy to deform in a long-time use process, the front end cover 7 and the rear end cover 3 are fixedly arranged at two ends of the fan shell 5 through the annular convex blocks 13 and the annular grooves 17 respectively, the two filter plates 4 are arranged at two ends in the fan shell 5, and the device can effectively reduce external dust from entering the fan shell 5 when the fan rotates, the influence of dust on the heat dissipation of the fan blades and the motor is avoided, and the structural member inside the fan can be effectively protected.

Example 2

Referring to fig. 1-3, a further improvement is made on the basis of embodiment 1: a plurality of ventilation holes 18 are formed in the rear end cover 3 and the front end cover 7 at equal intervals, so that the fan blades inside the fan shell 5 can rotate conveniently, the ventilation holes 18 are all arranged in a mode of inclining downwards from inside to outside, and foreign matters such as dust and water drops are prevented from entering the inside of the fan shell 5 through the ventilation holes 18.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

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. The utility model provides an axial fan casing of anti strong load capacity, includes base (1), rear end cap (3), fan casing (5) and front end housing (7), its characterized in that: the fan shell (5) is of a cylindrical structure, annular grooves (17) are formed in two ends of the fan shell (5), annular convex blocks (13) are arranged at the outer ends, close to the side wall of one side of the fan shell (5), of the rear end cover (3) and the front end cover (7), the front end cover (7) and the rear end cover (3) are fixedly installed at two ends of the fan shell (5) through the annular convex blocks (13) and the annular grooves (17), filter plates (4) are fixedly installed at two ends inside the fan shell (5), transverse supporting rods (11) and vertical supporting rods (12) are arranged inside the two filter plates (4), the transverse supporting rods (11) and the vertical supporting rods (12) are perpendicular to each other, and filter screens (10) are arranged inside the two filter plates (4) through the transverse supporting rods (11) and the vertical supporting rods (12), the fan is characterized in that a supporting seat (2) is fixedly mounted at the bottom of the fan shell (5), the supporting seat (2) is fixed with the fan shell (5) through welding, and a base (1) is fixedly mounted at the bottom of the supporting seat (2).

2. A strong load resisting axial flow fan casing according to claim 1, wherein: the rear end cover (3) and the front end cover (7) are provided with a plurality of vent holes (18) at equal intervals.

3. A strong load resisting axial flow fan casing according to claim 1, wherein: two through four connecting rods (6) fixed connection between filter (4), and four connecting rods (6) use the central point of filter (4) is centrosymmetric for the symmetry point.

4. A strong load resisting axial flow fan casing according to claim 1, wherein: a through hole (15) is formed in the side wall of one side of the annular groove (17), and a fixing screw (14) is movably mounted inside the through hole (15).

5. A strong load resisting axial flow fan casing according to claim 1, wherein: and a threaded groove (16) is formed in the side wall of one side of the annular convex block (13).

6. A strong load resisting axial flow fan casing according to claim 2, wherein: the ventilation holes (18) are all arranged from inside to outside in a downward inclined mode.

7. A strong load resisting axial flow fan casing according to claim 1, wherein: base (1) with through welded fastening between supporting seat (2), just the equal fixed mounting in both ends of base (1) both sides lateral wall bottom has fixed block (9), fixed block (9) with through welded fastening, and four between base (1) the equal movable mounting in inside of fixed block (9) has fastening bolt (8).