CN214837330U

CN214837330U - Sealing structure of fan main shaft

Info

Publication number: CN214837330U
Application number: CN202121290307.1U
Authority: CN
Inventors: 梁雄; 陈伟; 李昌亮
Original assignee: Weihai Maxpower Ventilator Co ltd
Current assignee: Weihai Maxpower Ventilator Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-11-23
Anticipated expiration: 2031-06-08

Abstract

The utility model belongs to the technical field of the fan production, especially, be a seal structure of fan main shaft, including the resin apparatus for producing body, the resin apparatus for producing body includes the main shaft, the outer wall of main shaft swing joint has first slip ring and second slip ring respectively, the outer wall of first slip ring and the outer wall swing joint of second slip ring have the second connecting plate, the first connecting plate of outer wall fixedly connected with of second connecting plate, the mounting groove has been seted up to the outer wall of first connecting plate, the outer wall fixedly connected with spring band of connecting block, the outer wall of first slip ring and the outer wall of second slip ring are provided with first sealed pad and the sealed pad of second respectively. This seal structure of fan main shaft, the not hard up phenomenon can not appear in seal structure after using for a long time to dismantlement structure between connecting block, first connecting plate and the second connecting plate can make the staff regularly overhaul the part of main shaft outer wall, has satisfied this seal structure of fan main shaft's practicality.

Description

Sealing structure of fan main shaft

Technical Field

The utility model relates to a fan production technical field, concretely relates to seal structure of fan main shaft.

Background

The fan is a driven fluid machine which relies on input mechanical energy to increase gas pressure and discharge gas. The fan is a Chinese habit short for gas compression and gas conveying machinery, and generally comprises a ventilator, a blower and a wind driven generator, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and induced air of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical equipment, drying and selecting and delivering of grains, air supply of wind tunnel and inflation and propulsion of cushion ships and the like.

However, in the existing sealing structure of the fan main shaft, the sealing structure becomes loose in the long-time operation process of the fan main shaft, so that an imprecise state occurs in the motion process of the main shaft, the fan cannot normally work and operate, and the working efficiency is rapidly reduced.

Moreover, the sealing structure of the original fan main shaft is fixed, so that time and labor are wasted when workers carry out periodical disassembly and maintenance on the fan main shaft, and the workload of the workers is increased.

Disclosure of Invention

For solving the problem that provides among the above-mentioned background art, the utility model provides a seal structure of fan main shaft has that the main shaft seal is effectual to make things convenient for the staff regularly to inspect it and maintain.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a seal structure of fan main shaft, includes the main shaft, and the outer wall of main shaft swing joint has first slip ring and second slip ring respectively, and the outer wall swing joint of the outer wall of first slip ring and the outer wall of second slip ring has the second connecting plate, the first connecting plate of outer wall fixedly connected with of second connecting plate, and the mounting groove has been seted up to the outer wall of first connecting plate, and the connecting block is installed to the inner wall of mounting groove, the outer wall fixedly connected with spring band of connecting block.

The outer wall of first slip ring and the outer wall of second slip ring are provided with first sealed pad and the sealed pad of second respectively, and the spout has been seted up to the outer wall of main shaft, the equal fixedly connected with slider of the inner wall of first slip ring and the inner wall of second slip ring, the outer wall fixedly connected with bearing front end of main shaft, the outer wall swing joint of first slip ring has the fan posterior lateral plate.

Preferably, in order to balance the slow movement of the first sliding ring on the outer wall of the main shaft, the number of the spring belts is two, and the two spring belts are distributed up and down symmetrically about the horizontal center line of the main shaft.

Preferably, in order to conveniently dismantle the spring band, the number of connecting blocks, the number of first connecting plates and the number of second connecting plates are four, and per two connecting blocks, per two first connecting plates and per two second connecting plates are a set of, and two sets of connecting blocks, first connecting plates and second connecting plates are distributed symmetrically from top to bottom about the horizontal center line of main shaft, and all through spring band swing joint between per two connecting blocks.

Preferably, in order to stabilize that first sliding ring plays the balancing action when the outer wall of main shaft slides, the shape size of spout and the shape size of slider all match each other, and first sliding ring passes through spout and slider and main shaft sliding connection, and the quantity of spout and the quantity of slider are eight, and eight spouts and eight sliders are annular equidistance respectively and distribute at the outer wall of main shaft and the inner wall of first sliding ring.

Preferably, in order to conveniently install and detach the position of the connecting block, the shape and the size of the connecting block and the shape and the size of the first connecting plate are matched with each other, and the connecting block is connected with the first connecting plate in a clamping manner.

Preferably, in order to reinforce the sealing performance of the main shaft, the shape of the first seal gasket and the shape of the second seal gasket are both the same, and the first seal gasket and the second seal gasket are both rubber seal gaskets.

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

1. this seal structure of fan main shaft, through the main shaft, the fan posterior lateral plate, the spring band, the spout, the connecting block, first connecting plate, the second connecting plate, the bearing front end, mutually supporting of first slip ring and slider is used, utilize spout and slider can be with first slip ring sliding connection on the outer wall of main shaft, the spring band that removes the in-process to both sides through upper and lower both sides can be to the whole fastening effect that plays of seal structure of this fan main shaft in first slip ring, thereby the not hard up phenomenon can not appear in seal structure after the seal structure of this fan main shaft uses for a long time. And the dismantlement structure between connecting block, first connecting plate and the second connecting plate can make the staff overhaul the part of main shaft outer wall regularly, has satisfied the practicality of this fan main shaft's seal structure.

2. This seal structure of fan main shaft through the first sealed pad, first slip ring, the sealed pad of second and the second slip ring that set up, can reuse the first sealed pad and the sealed connection between the pad of second on the basis of main shaft seal structure itself, further improves the leakproofness of main shaft operation.

In conclusion, the sealing structure of the fan main shaft has the characteristics of reinforcing sealing, improving the working efficiency of the main shaft during operation and facilitating the maintenance of the external sealing structure of the main shaft by workers.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a view taken at A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the connection structure of the main shaft and the first sliding ring of the present invention.

In the figure: 1. a main shaft; 2. a rear side plate of the fan; 3. a spring band; 4. a chute; 5. connecting blocks; 6. a first connecting plate; 7. a second connecting plate; 8. a bearing front end; 9. a first gasket; 10. a first slip ring; 11. a second gasket; 12. a second slip ring; 13. mounting grooves; 14. a slide block.

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. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a seal structure of fan main shaft, includes main shaft 1, main shaft 1's outer wall swing joint has first slip ring 10 and second slip ring 12 respectively, the outer wall swing joint of first slip ring 10 and the outer wall swing joint of second slip ring 12 has second connecting plate 7, the first connecting plate 6 of the outer wall fixedly connected with of second connecting plate 7, mounting groove 13 has been seted up to the outer wall of first connecting plate 6, connecting block 5 is installed to the inner wall of mounting groove 13, the outer wall fixedly connected with spring band 3 of connecting block 5.

The outer wall of first slip ring 10 and the outer wall of second slip ring 12 are provided with first sealed 9 and the sealed 11 of second respectively, and spout 4 has been seted up to the outer wall of main shaft 1, and the equal fixedly connected with slider 14 of the inner wall of first slip ring 10 and the inner wall of second slip ring 12, the outer wall fixedly connected with bearing front end 8 of main shaft 1, the outer wall swing joint of first slip ring 10 has fan posterior lateral plate 2.

The utility model discloses a main shaft 1, fan posterior lateral plate 2, spring band 3, spout 4, connecting block 5, first connecting plate 6, second connecting plate 7, bearing front end 8, mutually supporting of first slip ring 10 and slider 14 is used, utilize spout 4 and slider 14 can be with first slip ring 10 sliding connection on main shaft 1's outer wall, the spring band 3 through upper and lower both sides can be to the whole fastening action that plays of the seal structure of this fan main shaft to first slip ring 10 removes the in-process to both sides, thereby the seal structure of this fan main shaft can not appear becoming flexible after long-time the use, and connecting block 5, dismantlement structure between first connecting plate 6 and the second connecting plate 7 can make the staff regularly overhaul the part of main shaft 1 outer wall, the practicality of the seal structure of this fan main shaft has been satisfied.

Through the arrangement of the first sealing gasket 9, the first sliding ring 10, the second sealing gasket 11 and the second sliding ring 12, the connection between the first sealing gasket 9 and the second sealing gasket 11 can be reused on the basis of the sealing structure of the main shaft 1, and the sealing performance of the operation of the main shaft 1 is further improved.

As a technical optimization scheme of the utility model, the quantity of spring area 3 is two, and two spring areas 3 about the horizontal center line longitudinal symmetry distribution of main shaft 1. Through the two spring belts 3, the effect of automatic rebounding can be achieved in the process of back-and-forth sliding of the first sliding ring 10, and meanwhile, the first sliding ring 10 is balanced to a certain degree in the moving process.

As the utility model discloses a technical optimization scheme, the quantity of connecting block 5, the quantity of first connecting plate 6 and the quantity of second connecting plate 7 are four, and per two connecting blocks 5, per two first connecting plates 6 and per two second connecting plates 7 are a set of, and two sets of connecting blocks 5, first connecting plate 6 and second connecting plate 7 are about the horizontal center line longitudinal symmetry distribution of main shaft 1, and all through 3 swing joint in spring zone between per two connecting blocks 5. Through setting up four connecting blocks 5, first connecting plate 6 and second connecting plate 7 can play the stationary effect in first slip ring 10 carries out the slip process, can fix the position of two spring bands 3 simultaneously.

As a technical optimization scheme of the utility model, the shape size of spout 4 and the shape size of slider 14 all match each other, and first slip ring 10 passes through spout 4 and slider 14 and main shaft 1 sliding connection, and the quantity of spout 4 and the quantity of slider 14 are eight, and eight spout 4 and eight slider 14 are the inner wall that the annular equidistance distributes at the outer wall of main shaft 1 and first slip ring 10 respectively. By means of the arranged slide groove 4 and the slide block 14, the first slide ring 10 can be limited on the outer wall of the main shaft 1, and rotation between the first slide ring 10 and the main shaft 1 is avoided.

As a technical optimization scheme of the utility model, the shape size of connecting block 5 and first connecting plate 6's shape size all matches each other, and the block is connected between connecting block 5 and the first connecting plate 6. Through the dismantlement connection between connecting block 5 and the first connecting plate 6, can dismantle the position of two spring bands 3, can change it after long-time the use simultaneously.

As a technical optimization scheme of the utility model, the shape of the first sealed pad 9 and the shape homogeneous phase of the sealed pad 11 of second are the same, and the sealed pad 11 of first sealed pad 9 and second is the rubber packing pad. By arranging the first sealing gasket 9 and the second sealing gasket 11, the rubber is a high-elasticity polymer material with reversible deformation, is rich in elasticity at room temperature, can generate large deformation under the action of small external force, can recover the original shape after the external force is removed, and can improve the sealing performance of the sealing structure of the fan main shaft during working.

The utility model discloses a theory of operation and use flow:

install connecting block 5 in the inside of first connecting plate 6 through mounting groove 13, carry out spring band 3 between second connecting plate 7 and the first slip ring 10 and connect, first slip ring 10 removes the in-process spring band 3 to the right side again and also can contract to the right side to slider 14 can slide in the inside of spout 4, makes to laminate between first sealed pad 9 and the sealed 11 of second and connects, improves the leakproofness of the seal structure of this fan main shaft.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a seal structure of fan main shaft, includes main shaft (1), its characterized in that: the outer wall of the main shaft (1) is movably connected with a first sliding ring (10) and a second sliding ring (12) respectively, the outer wall of the first sliding ring (10) and the outer wall of the second sliding ring (12) are movably connected with a second connecting plate (7), the outer wall of the second connecting plate (7) is fixedly connected with a first connecting plate (6), the outer wall of the first connecting plate (6) is provided with a mounting groove (13), the inner wall of the mounting groove (13) is provided with a connecting block (5), and the outer wall of the connecting block (5) is fixedly connected with a spring belt (3);

the outer wall of first slip ring (10) and the outer wall of second slip ring (12) are provided with first sealed pad (9) and the sealed pad (11) of second respectively, spout (4) have been seted up to the outer wall of main shaft (1), the equal fixedly connected with slider (14) of inner wall of the inner wall of first slip ring (10) and second slip ring (12), the outer wall fixedly connected with bearing front end (8) of main shaft (1), the outer wall swing joint of first slip ring (10) has fan rear side board (2).

2. The sealing structure of the blower main shaft according to claim 1, characterized in that: the number of the spring belts (3) is two, and the two spring belts (3) are distributed in an up-and-down symmetrical mode about the horizontal center line of the main shaft (1).

3. The sealing structure of the blower main shaft according to claim 1, characterized in that: the quantity of connecting block (5), the quantity of first connecting plate (6) and the quantity of second connecting plate (7) are four, and per two connecting block (5), per two first connecting plate (6) and per two second connecting plate (7) are a set of, and two sets of connecting block (5), first connecting plate (6) and second connecting plate (7) are about the horizontal center line longitudinal symmetry distribution of main shaft (1), and all through spring band (3) swing joint between per two connecting block (5).

4. The sealing structure of the blower main shaft according to claim 1, characterized in that: the size of the shape of the sliding chute (4) is matched with that of the sliding block (14), the first sliding ring (10) is connected with the main shaft (1) in a sliding mode through the sliding chute (4) and the sliding block (14), the number of the sliding chutes (4) and the number of the sliding blocks (14) are eight, and the eight sliding chutes (4) and the eight sliding blocks (14) are respectively distributed on the outer wall of the main shaft (1) and the inner wall of the first sliding ring (10) in an annular and equidistant mode.

5. The sealing structure of the blower main shaft according to claim 1, characterized in that: the shape and the size of the connecting block (5) are matched with those of the first connecting plate (6), and the connecting block (5) is connected with the first connecting plate (6) in a clamping manner.

6. The sealing structure of the blower main shaft according to claim 1, characterized in that: the shape of the first sealing gasket (9) is the same as that of the second sealing gasket (11), and the first sealing gasket (9) and the second sealing gasket (11) are both rubber sealing gaskets.