CN215293014U

CN215293014U - Axial fan casing structure

Info

Publication number: CN215293014U
Application number: CN202120164485.3U
Authority: CN
Inventors: 张慧议
Original assignee: Weihai Hengshan Zhengyuan Fan Co ltd
Current assignee: Weihai Hengshan Zhengyuan Fan Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-12-24
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses an axial fan casing structure, including spout, supporting seat, first solid fixed ring, support, metal sheet, bolt, go-between, anchor strut, slider, bearing inner tube, bearing urceolus, link, slipmat, the solid fixed ring of second, connecting rod, slide, connecting plate, double-screw bolt, screw hole. The utility model discloses an adopt bolted connection spare and riveting connecting piece to replace welding connection before between support, casing supporting seat, and the axial fan shell, can carry out large batch large-scale production from this, can reduction in production cost from this, simplify the installation, and supplementary annular groove can strengthen the intensity of axial fan shell and adopt the mode of punching press with the annular groove and can reduce the thickness of axial fan shell, strengthen the intensity and the life-span of axial fan shell when effectively reducing the weight of axial fan shell.

Description

Axial fan casing structure

Technical Field

The utility model relates to an axial fan casing structure, concretely relates to axial fan technical field.

Background

The fan is a driven fluid machine which increases the gas pressure and discharges gas by means of input mechanical energy, and is a Chinese habit of gas compression and gas delivery machines for short. The conventional common axial flow fan is easy to contact with an impeller and even has hidden dangers of causing accidents when being subjected to higher temperature or rotating at high speed in the processing and using processes, and the casing of the conventional common axial flow fan is generally formed by welding, so that large-scale batch production cannot be realized, and the production cost is increased.

Disclosure of Invention

An object of the utility model is to solve prior art not enough, provide an axial fan casing structure, with the axial fan that proposes in solving above-mentioned background art at present commonly used in processing and the use, axial fan is receiving higher temperature or at high-speed rotatory in-process, make easily to take place the contact between fan casing and the impeller, even have the hidden danger that causes the accident, and the casing of the axial fan commonly used at present generally adopts the welding to form, make it can't realize extensive batch production from this, increase manufacturing cost scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an axial fan casing structure, includes spout, supporting seat, first solid fixed ring, support, metal sheet, bolt, go-between, anchor strut, slider, bearing inner tube, bearing urceolus, link, slipmat, the solid fixed ring of second, connecting rod, slide, connecting plate, double-screw bolt, screw hole, nut, annular groove, supplementary annular groove, axial fan shell, casing supporting seat, riveting connecting piece, bolted connection spare, wear-resisting cover, seal cover, heat dissipation wing, impeller, expanding spring, spring support, pivot, blade, lantern ring subassembly.

Preferably, the fixed welding of inner wall of supporting seat is provided with first solid fixed ring, first solid fixed ring uses with the solid fixed ring cooperation of second, and the block forms ring shape, the solid fixed ring of second all is fixed with the slipmat with the inboard of first solid fixed ring, the slipmat adopts anti-skidding rubber materials to make, first solid fixed ring all adopts the high elastic material of elasticity to make with the solid fixed ring of second.

Preferably, the fixed bearing urceolus that is provided with of opposite side outer wall of the solid fixed ring of second, the fixed slide that is provided with of bottom terminal surface of link horizontal pole, the slide adult is concave type setting, the inside sliding connection connecting plate of slide, the fixed connecting rod that is provided with of connecting plate bottom terminal surface, the connecting rod is fixed to be set up in the top of bearing urceolus.

Preferably, the bottom end face of the bearing outer cylinder is fixedly provided with a reinforcing rod, the bearing outer cylinder is sleeved with a bearing inner cylinder, the bearing inner cylinder is connected with the connecting frame through a stud, threaded holes are formed in the bearing inner cylinder of the connecting frame, nuts are arranged at the top ends of the studs, and the studs are matched with the threaded holes for use and are connected through bolts.

Preferably, the inside spout that is provided with of bottom plate of supporting seat, the fixed slider that is provided with of bottom terminal surface of link, the slider is concave type setting with the link adult, the slider can insert inside the supporting seat bottom plate, the slider uses with the spout cooperation, carries out sliding connection, both sides are all installed and are provided with the go-between around the supporting seat, one side of go-between is provided with the metal sheet, it is fixed to connect through the bolt between go-between and the metal sheet.

Preferably, a shell supporting seat is fixedly arranged on the upper side of the support, the shell supporting seat and the support are fixedly connected through a bolt connecting piece, the shell supporting seat is located at two ends of the shell of the axial flow fan and is perpendicular to the axial side wall of the shell of the axial flow fan, and the shell supporting seat is connected with the shell of the axial flow fan through a riveting connecting piece.

Preferably, the upper side of the axial flow fan shell is provided with an auxiliary annular groove with the same structure as the annular groove, and the annular groove and the auxiliary annular groove are both installed at two ends of the axial flow fan shell in a stamping mode. The utility model discloses an adopt bolted connection spare and riveting connecting piece to replace welding connection before between support, casing supporting seat, and the axial fan shell, can carry out large batch large-scale production from this, can reduction in production cost from this, simplify the installation, and supplementary annular groove can strengthen the intensity of axial fan shell and adopt the mode of punching press with the annular groove and can reduce the thickness of axial fan shell, strengthen the intensity and the life-span of axial fan shell when effectively reducing the weight of axial fan shell.

Preferably, the inside impeller that is provided with of axial fan shell, the central point department of putting of impeller is provided with the pivot, be provided with the blade on the impeller, the blade is provided with six groups to be the annular array setting, the inboard of axial fan shell is provided with the lantern ring subassembly, the inside wear-resisting cover that is provided with of mounting groove of lantern ring subassembly, one side of wear-resisting cover is provided with the seal cover, be provided with the spring pillar between impeller and the axial fan shell, the spring pillar is close to the fixed expanding spring that is provided with of one end of axial fan shell.

The utility model provides an axial fan casing structure possesses following beneficial effect:

1. the utility model discloses when the installation, only need place axial fan in the top end face of supporting seat, the lateral wall looks butt of first solid fixed ring and axial fan shell this moment, this moment through with the slider in the spout to the direction removal of axial fan shell, can drive the direction removal of link to axial fan shell through the slider from this to this moment, until the solid fixed ring's of second inner wall and axial fan shell's lateral wall looks butt, through rotatory double-screw bolt this moment, the screw rod drives the bearing inner tube at the bearing urceolus internal rotation, makes the bearing inner tube promote the bearing urceolus and gos forward, and the bearing urceolus drives the connecting plate slide of connecting rod and slides on, makes the solid fixed ring of second closely laminate with the axial fan shell, fixes the axial fan shell simultaneously. Therefore, the axial flow fan can be prevented from being contacted with the impeller when being subjected to higher temperature or rotating at high speed in the processing and using processes, so that accidents are avoided, and the safety is improved.

2. The utility model discloses an adopt bolted connection spare and riveting connecting piece to replace welding connection before between support, casing supporting seat, and the axial fan shell, can carry out large batch large-scale production from this, can reduction in production cost from this, simplify the installation, and supplementary annular groove can strengthen the intensity of axial fan shell and adopt the mode of punching press with the annular groove and can reduce the thickness of axial fan shell, strengthen the intensity and the life-span of axial fan shell when effectively reducing the weight of axial fan shell.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural diagram of a casing structure of an axial flow fan provided by the present invention;

fig. 2 is a schematic structural diagram of a casing structure of an axial flow fan provided by the present invention;

fig. 3 is a schematic structural view of a part of the casing structure of the axial flow fan provided by the present invention;

fig. 4 is the utility model provides an axial fan casing structure part schematic diagram.

In the figure: 1. a chute; 2. a supporting seat; 3. a first retaining ring; 4. a support; 5. a metal plate; 6. a bolt; 7. a connecting ring; 8. a reinforcing rod; 9. a slider; 10. a bearing inner barrel; 11. a bearing outer cylinder; 12. a connecting frame; 13. a non-slip mat; 14. a second retaining ring; 15. a connecting rod; 16. a slide plate; 17. a connecting plate; 18. a stud; 19. a threaded hole; 20. a nut; 21. an annular groove; 22. an auxiliary annular groove; 23. an axial flow fan housing; 24. a shell supporting seat; 25. riveting a connecting piece; 26. a bolt connection; 27. a wear-resistant sleeve; 28. sealing sleeves; 29. heat dissipation fins; 30. an impeller; 31. a tension spring; 32. a spring support; 33. a rotating shaft; 34. a blade; 35. a collar assembly.

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. 1-4, the present invention provides the following technical solutions: the utility model relates to an axial fan shell structure, including spout 1, supporting seat 2, first solid fixed ring 3, support 4, metal sheet 5, bolt 6, go-between 7, anchor strut 8, slider 9, bearing inner tube 10, bearing outer tube 11, link 12, slipmat 13, the solid fixed ring of second 14, connecting rod 15, slide 16, connecting plate 17, double-screw bolt 18, screw hole 19, nut 20, annular groove 21, supplementary annular groove 22, axial fan shell 23, casing supporting seat 24, riveting connection 25, bolted connection 26, wear-resisting cover 27, seal cover 28, heat dissipation wing 29, impeller 30, expanding spring 31, spring support 32, pivot 33, blade 34, lantern ring subassembly 35.

As shown in fig. 1, the embodiment provides an axial flow fan casing structure, which is characterized in that: the fixed welding of inner wall of supporting seat 2 is provided with first solid fixed ring 3, first solid fixed ring 3 uses with the solid fixed ring 14 cooperation of second, and the block forms ring shape, the solid fixed ring 14 of second all fixes with the inboard of first solid fixed ring 3 and is provided with slipmat 13, slipmat 13 adopts anti-skidding rubber materials to make, first solid fixed ring 3 all adopts the high elastic material of elasticity to make with the solid fixed ring 14 of second.

As shown in fig. 1, the embodiment provides an axial flow fan casing structure, which is characterized in that: the fixed bearing urceolus 11 that is provided with of opposite side outer wall of the solid fixed ring 14 of second, the fixed slide 16 that is provided with of bottom terminal surface of link 12 horizontal pole, the slide 16 adult is concave type setting, the inside sliding connection connecting plate 17 of slide 16, the fixed connecting rod 15 that is provided with of connecting plate 17 bottom terminal surface, connecting rod 15 is fixed to be set up in the top of bearing urceolus 11.

As shown in fig. 1-2, the present embodiment provides an axial flow fan casing structure, which is characterized in that: the fixed strengthening rod 8 that is provided with of bottom terminal surface of bearing urceolus 11, bearing urceolus 11 cup joints and is provided with bearing inner tube 10, be connected through double-screw bolt 18 between bearing inner tube 10 and the link 12, link 12 bearing inner tube 10 is inside all to be provided with screw hole 19, the top of double-screw bolt 18 is provided with nut 20, double-screw bolt 18 uses with screw hole 19 cooperation, carries out bolted connection.

As shown in fig. 1, the embodiment provides an axial flow fan casing structure, which is characterized in that: the inside spout 1 that is provided with of bottom plate of supporting seat 2, the fixed slider 9 that is provided with of bottom terminal surface of link 12, slider 9 is concave type setting with the 12 adult of link, inside slider 9 can insert the supporting seat 2 bottom plate, slider 9 uses with the cooperation of spout 1, carries out sliding connection, both sides are all installed and are provided with go-between 7 around supporting seat 2, one side of go-between 7 is provided with metal sheet 5, it is fixed to be connected through bolt 6 between go-between 7 and the metal sheet 5.

The utility model discloses when the installation, only need place axial fan in the top end face of supporting seat 2, first solid fixed ring 3 and axial fan shell 23's lateral wall looks butt this moment, this moment through with slider 9 to axial fan shell 23's direction removal in spout 1, can drive the direction removal of link 12 to axial fan shell 23 through slider 9 from this moment, until the solid fixed ring 14's of second inner wall and axial fan shell 23's lateral wall looks butt, pass through rotatory double-screw bolt 18 this moment, screw rod 18 drives bearing inner tube 10 at 11 rotations of bearing urceolus, makes bearing inner tube 10 promote bearing urceolus 11 and gos forward, and bearing urceolus 11 drives connecting rod 15's connecting plate 17 slide 16 and slides on simultaneously, makes solid fixed ring 14 of second closely laminate with axial fan shell 23, fixes axial fan shell 23. Therefore, the axial flow fan can be prevented from being contacted with the impeller 30 when the axial flow fan is subjected to higher temperature or rotates at high speed in the processing and using processes, accidents are avoided, and the safety is improved.

As shown in fig. 2-3, the present embodiment provides an axial flow fan casing structure, which is characterized in that: the upper side of the support 4 is fixedly provided with a shell supporting seat 24, the shell supporting seat 24 and the support 4 are fixedly connected through a bolt connecting piece 26, the shell supporting seat 24 is located at two ends of the axial flow fan shell 23 and is perpendicular to the axial side wall of the axial flow fan shell 23, and the shell supporting seat 24 is connected with the shell of the axial flow fan shell 23 through a riveting connecting piece 25.

As shown in fig. 2-3, the present embodiment provides an axial flow fan casing structure, which is characterized in that: the upper side of the axial flow fan shell 23 is provided with an auxiliary annular groove 22 with the same structure as the annular groove 21, and the annular groove 21 and the auxiliary annular groove are both installed at two ends of the axial flow fan shell 23 in a stamping mode. The utility model discloses a support 4, casing supporting seat 24, and adopt bolted connection 26 and riveting connecting piece 25 to replace preceding welded connection between 23, can carry out large batch large-scale production from this, can reduction in production cost from this, simplify the installation, and supplementary annular groove 22 and annular groove 21 can strengthen axial fan shell 23's intensity and adopt the mode of punching press can reduce axial fan shell 23's thickness, strengthen axial fan shell's intensity and life-span when effectively reducing axial fan shell 23's weight.

As shown in fig. 4, the present embodiment provides an axial flow fan casing structure, which is characterized in that: the utility model discloses an axial fan, including axial fan shell 23, impeller 30, the central point department of putting of impeller 30 is provided with pivot 33, be provided with blade 34 on the impeller 30, blade 34 is provided with six groups to be the setting of annular array, the inboard of axial fan shell 23 is provided with lantern ring subassembly 35, the inside wear-resisting cover 27 that is provided with of mounting groove of lantern ring subassembly 35, one side of wear-resisting cover 27 is provided with seal cover 28, be provided with spring pillar 32 between impeller 30 and the axial fan shell 23, spring pillar 32 is close to the fixed expanding spring 31 that is provided with of one end of axial fan shell 23.

The utility model discloses an use flow: the utility model discloses when the installation, only need place axial fan in the top end face of supporting seat 2, first solid fixed ring 3 and axial fan shell 23's lateral wall looks butt this moment, this moment through with slider 9 to axial fan shell 23's direction removal in spout 1, can drive the direction removal of link 12 to axial fan shell 23 through slider 9 from this moment, until the solid fixed ring 14's of second inner wall and axial fan shell 23's lateral wall looks butt, pass through rotatory double-screw bolt 18 this moment, screw rod 18 drives bearing inner tube 10 at 11 rotations of bearing urceolus, makes bearing inner tube 10 promote bearing urceolus 11 and gos forward, and bearing urceolus 11 drives connecting rod 15's connecting plate 17 slide 16 and slides on simultaneously, makes solid fixed ring 14 of second closely laminate with axial fan shell 23, fixes axial fan shell 23. Therefore, the axial flow fan can be prevented from being contacted with the impeller 30 when the axial flow fan is subjected to higher temperature or rotates at high speed in the processing and using processes, accidents are avoided, and the safety is improved.

The utility model discloses a support 4, casing supporting seat 24, and adopt bolted connection 26 and riveting connecting piece 25 to replace preceding welded connection between 23, can carry out large batch large-scale production from this, can reduction in production cost from this, simplify the installation, and supplementary annular groove 22 and annular groove 21 can strengthen axial fan shell 23's intensity and adopt the mode of punching press can reduce axial fan shell 23's thickness, strengthen axial fan shell's intensity and life-span when effectively reducing axial fan shell 23's weight.

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 structure, including spout (1), supporting seat (2), first solid fixed ring (3), support (4), metal sheet (5), bolt (6), go-between (7), anchor strut (8), slider (9), bearing inner tube (10), bearing outer tube (11), link (12), slipmat (13), second solid fixed ring (14), connecting rod (15), slide (16), connecting plate (17), double-screw bolt (18), screw hole (19), nut (20), annular groove (21), supplementary annular groove (22), axial fan shell (23), casing supporting seat (24), riveting connecting piece (25), bolted connection spare (26), wear-resisting cover (27), seal cover (28), heat dissipation wing (29), impeller (30), expanding spring (31), spring strut (32), pivot (33), blade (34), The inner wall of the supporting seat (2) is fixedly welded with a first fixing ring (3), the first fixing ring (3) and a second fixing ring (14) are matched for use and clamped to form a circular ring shape, anti-slip pads (13) are fixedly arranged on the inner sides of the second fixing ring (14) and the first fixing ring (3), a shell supporting seat (24) is fixedly arranged on the upper side of the support (4), the shell supporting seat (24) and the support (4) are fixedly connected through a bolt connecting piece (26), the shell supporting seat (24) is connected with a shell of the axial flow fan shell (23) through a riveting connecting piece (25), an auxiliary annular groove (22) with the same structure as the annular groove (21) is arranged on the upper side of the axial flow fan shell (23), an impeller (30) is arranged inside the axial flow fan shell (23), and a rotating shaft (33) is arranged at the central position of the impeller (30), the impeller (30) is provided with blades (34).

2. The axial fan casing structure according to claim 1, wherein: non-slip mat (13) adopt anti-skidding rubber materials to make, first solid fixed ring (3) all adopt the high elastic material of elasticity to make with the solid fixed ring of second (14), the fixed bearing urceolus (11) that is provided with of opposite side outer wall of the solid fixed ring of second (14), the fixed slide (16) that is provided with of bottom terminal surface of link (12) horizontal pole, slide (16) adult is concave type setting, slide (16) inside sliding connection connecting plate (17), connecting plate (17) bottom terminal surface is fixed and is provided with connecting rod (15), connecting rod (15) are fixed to be set up in the top of bearing urceolus (11).

3. The axial fan casing structure according to claim 1, wherein: the fixed anchor strut (8) that is provided with of bottom terminal surface of bearing urceolus (11), bearing urceolus (11) cup joint and are provided with bearing inner tube (10), be connected through double-screw bolt (18) between bearing inner tube (10) and link (12), link (12) all are provided with screw hole (19) with bearing inner tube (10) inside, the top of double-screw bolt (18) is provided with nut (20), double-screw bolt (18) and screw hole (19) cooperation are used, carry out bolted connection.

4. The axial fan casing structure according to claim 1, wherein: the utility model discloses a slide connection, including supporting seat (2), bottom plate, slider (9), link (12), slider (9) and link (12) adult are concave type setting, inside slider (9) can insert supporting seat (2) bottom plate, slider (9) and spout (1) cooperation are used, carry out sliding connection, both sides are all installed and are provided with go-between (7) around supporting seat (2), one side of go-between (7) is provided with metal sheet (5), it is fixed to connect through bolt (6) between go-between (7) and metal sheet (5).

5. The axial fan casing structure according to claim 1, wherein: the shell supporting seats (24) are located at two ends of the axial flow fan shell (23) and are perpendicular to the axial side wall of the axial flow fan shell (23), and the annular groove (21) and the auxiliary annular groove (22) are mounted at two ends of the axial flow fan shell (23) in a stamping mode.

6. The axial fan casing structure according to claim 1, wherein: the blade (34) are provided with six groups and are arranged in an annular array, a sleeve ring component (35) is arranged on the inner side of the axial flow fan shell (23), a wear-resistant sleeve (27) is arranged inside a mounting groove of the sleeve ring component (35), a sealing sleeve (28) is arranged on one side of the wear-resistant sleeve (27), a spring support column (32) is arranged between the impeller (30) and the axial flow fan shell (23), and a telescopic spring (31) is fixedly arranged at one end, close to the axial flow fan shell (23), of the spring support column (32).