CN214698462U

CN214698462U - Circulating fan blade shaft head sealing device

Info

Publication number: CN214698462U
Application number: CN202120825924.0U
Authority: CN
Inventors: 何庆良
Original assignee: Fujian Jinniu Cement Co ltd
Current assignee: Fujian Jinniu Cement Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-12
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a circulating fan blade spindle nose sealing device, including fan casing and sealing ring, the seal receptacle is installed in trompil and embedding in the middle of the fan casing, the oil filler point has been seted up to seal receptacle upper surface one side, the seal receptacle outer wall is four connecting plates of orthogonal array fixedly connected with, the mounting groove has been seted up in the middle of the seal receptacle, the oil filler point top is equipped with internal thread screw thread and threaded mounting has sealing screw, the oil filler point aperture is five millimeters, oil filler point bottom and mounting groove intercommunication, movable mounting has the pivot body in the mounting groove, pivot body both ends respectively fixed mounting have the bearing, two bearing outer walls respectively with sealing ring inner wall fixed connection. The utility model provides a gas dust that has when flowing through the gap can cause wearing and tearing to the pivot surface, reduce pivot life to the problem of equipment practicality has been reduced.

Description

Circulating fan blade shaft head sealing device

Technical Field

The utility model relates to a circulating fan spindle nose seals technical field, specifically is a circulating fan blade spindle nose sealing device.

Background

The circulating fan is a device used for providing circulating air for related devices in cement production enterprises, generally, the power of the fan is relatively high due to large air supply amount, the transmission of the fan adopts a motor to drive a transmission shaft on a shaft bracket, the transmission shaft drives fan blades of the fan, the fan blades rotate to generate air, and the air is sent into an air supply pipeline through a shell structure to complete the air supply process.

Traditional axle head sealing device, the leakproofness is lower, and the easy phenomenon of leaking out appears in axle head department, and the dust that has when gaseous flows through the gap can cause wearing and tearing to the pivot surface, reduces pivot life to reduced equipment practicality, consequently needed a circulating fan blade spindle nose sealing device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circulating fan blade spindle nose sealing device possesses the advantage that improves the axle head leakproofness, has solved the dust that gas had when flowing through the gap and can cause wearing and tearing to the pivot surface, reduces pivot life to the problem of equipment practicality has been reduced.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a circulating fan blade spindle nose sealing device, includes fan casing and sealing ring, the seal receptacle is installed in trompil and embedding in the middle of the fan casing, the oil filler point has been seted up to seal receptacle upper surface one side, the seal receptacle outer wall is four connecting plates of orthogonal array fixedly connected with, the mounting groove has been seted up in the middle of the seal receptacle, movable mounting has the pivot body in the mounting groove, pivot body both ends respectively fixed mounting have the bearing, two bearing outer walls respectively with sealing ring inner wall fixed connection.

Preferably, the oil filler point top is equipped with internal thread screw thread and threaded mounting has sealing screw, and the oil filler point aperture is five millimeters, oil filler point bottom and mounting groove intercommunication.

Preferably, the inner wall of the mounting groove is not in contact with the outer wall of the rotating shaft body, and the gap between the inner wall of the mounting groove and the outer wall of the rotating shaft body is one millimeter.

Preferably, the four connecting plates are all provided with mounting holes and movably provided with second mounting screws, and the four connecting plates are fixedly connected with one side of the fan shell through the second mounting screws respectively.

Preferably, the number of the sealing rings is two, the two sealing rings deviate from one side and are respectively in an orthogonal array, mounting holes are formed in the mounting holes of the two sealing rings, first mounting screws are movably mounted in the mounting holes of the two sealing rings respectively, and the two sealing rings are fixedly connected with the two sides of the sealing seat respectively through the first mounting screws.

Preferably, rubber sealing rings are arranged between the two bearings and the sealing ring.

Preferably, sealant is filled and injected at the joint of the sealing seat and the fan shell.

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

the utility model discloses a set up the seal receptacle, and install the seal receptacle embedding in the opening on fan casing, and make the junction do sealed processing through the mode of injecting glue, and simultaneously, be connected with the sealing ring through the bearing respectively at the both ends of pivot body, and through first installation screw with sealing ring and seal receptacle fixed connection, thereby make the pivot body when rotating, the phenomenon of air leakage can not appear, the effect that improves the leakproofness has been reached, through setting up oil filler point and mounting groove, can pour into sealed oil into the mounting groove through the oil filler point, and make one section of pivot body in the mounting groove by sealed oil cladding, and then avoided the phenomenon of air leakage to appear in pivot body and seal receptacle junction, the effect that improves the leakproofness has been reached.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

fig. 3 is a schematic front view of the present invention;

fig. 4 is a schematic side view of the present invention;

fig. 5 is a schematic view of the vertical structure of the present invention.

In the figure: 1. a fan housing; 2. a sealing seat; 3. a rotating shaft body; 4. a first mounting screw; 5. a second mounting screw; 6. a bearing; 7. a connecting plate; 8. an oil filler hole; 9. a sealing screw; 10. a seal ring; 11. and (4) mounting the groove.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the present invention provides two embodiments:

the first embodiment is as follows: the utility model provides a circulating fan blade spindle nose sealing device, includes fan casing 1 and sealing ring 10, and the seal receptacle 2 is installed in trompil and embedding in the middle of fan casing 1, and seal receptacle 2 fills with the fan casing 1 junction and pours into and have sealed glue. The outer wall of the sealing seat 2 is four connecting plates 7 fixedly connected with an orthogonal array, mounting holes are formed in the four connecting plates 7, second mounting screws 5 are movably mounted on the four connecting plates 7, and the four connecting plates 7 are fixedly connected with one side of the fan shell 1 through the second mounting screws 5 respectively. The mounting groove 11 has been seted up in the middle of seal receptacle 2, and movable mounting has pivot body 3 in the

mounting groove

11, and 11 inner walls of mounting groove and the 3 outer walls of pivot body contactless, 11 inner walls of mounting groove and the 3 outer wall clearances of pivot body are a millimeter. The two ends of the rotating shaft body 3 are respectively and fixedly provided with a bearing 6, and the outer walls of the two bearings 6 are respectively and fixedly connected with the inner wall of the sealing ring 10. Rubber sealing rings are arranged between the two bearings 6 and the sealing ring 10. The sealing rings 10 are two in number, and two sealing rings 10 are the quadrature array respectively on one side of keeping away from, and there is first installation screw 4 in the installation hole of two sealing rings 10 respectively movable mounting, and two sealing rings 10 are respectively through

first installation screw

4 and 2 both sides fixed connection of seal receptacle. Through setting up seal receptacle 2, and install in the trompil on fan casing 1 with the embedding of seal receptacle 2, and make the junction do sealed processing through the mode of injecting glue, simultaneously, be connected with sealing ring 10 through bearing 6 respectively at the both ends of pivot body 3, and through first installation screw 4 with sealing ring 10 and seal receptacle 2 fixed connection, thereby make pivot body 3 when rotating, the phenomenon of leaking out can not appear, reached the effect that improves the leakproofness.

Example two: the utility model provides a circulating fan blade spindle nose sealing device, includes fan casing 1, and the seal receptacle 2 is installed in trompil and embedding in the middle of fan casing 1, and seal receptacle 2 fills with the injection with fan casing 1 junction and has sealed glue. Oil filler point 8 has been seted up to 2 upper surface one sides of seal receptacle, has seted up mounting groove 11 in the middle of the

seal receptacle

2, and 8 tops of oil filler point are equipped with internal thread screw thread and threaded mounting have sealing

screw

9, and 8 apertures of oil filler point are five millimeters, 8 bottoms of oil filler point and 11 intercommunications of mounting groove. The mounting groove 11 is movably provided with a rotating shaft body 3. The inner wall of the mounting groove 11 is not contacted with the outer wall of the rotating shaft body 3, and the gap between the inner wall of the mounting groove 11 and the outer wall of the rotating shaft body 3 is one millimeter. Set up oil filler point 8 and mounting groove 11, can pour into sealing oil into mounting groove 11 in through oil filler point 8 to make pivot body 3 one section in mounting groove 11 by sealing oil cladding, and then avoided pivot body 3 and seal receptacle 2 junction to appear the phenomenon of leaking out, reached the effect that improves the leakproofness.

The working principle is as follows: the utility model discloses during the use, install in the trompil on fan casing 1 with the embedding of seal receptacle 2, and pour into and fill proper amount sealed glue at trompil and 2 junctions of seal receptacle, and through second installation screw 5 with connecting plate 7 and fan casing 1 fixed connection of fixed mounting on seal receptacle 2, insert pivot body 3 in mounting groove 11 on the seal receptacle 2, and install bearing 6 respectively at the both ends of pivot body 3, when the installation, make two relative one sides of bearing 6 contact with the both sides of seal receptacle 2 respectively, and at two 6 outside suit sealing rings 10 of bearing, and through first installation screw 4 with sealing ring 10 and seal receptacle 2 fixed connection, thereby make pivot body 3 be in encapsulated situation relatively in the mounting groove 11 of seal receptacle 2, inject into in oil filler point 8 and keep apart the oil, and twist sealing screw 9.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a circulating fan blade spindle nose sealing device, includes fan casing (1) and sealing ring (10), its characterized in that: trompil and embedding are installed seal receptacle (2) in the middle of fan casing (1), oil filler point (8) have been seted up to seal receptacle (2) upper surface one side, seal receptacle (2) outer wall is four connecting plates of orthogonal array fixedly connected with (7), mounting groove (11) have been seted up in the middle of seal receptacle (2), movable mounting has pivot body (3) in mounting groove (11), pivot body (3) both ends respectively fixed mounting have bearing (6), two bearing (6) outer walls respectively with sealing ring (10) inner wall fixed connection.

2. The impeller head sealing device of the circulating fan as claimed in claim 1, wherein: the top end of the oil filling hole (8) is provided with an internal thread and a sealing screw (9) which is installed in a threaded manner, the aperture of the oil filling hole (8) is five millimeters, and the bottom end of the oil filling hole (8) is communicated with the installation groove (11).

3. The impeller head sealing device of the circulating fan as claimed in claim 1, wherein: the inner wall of the mounting groove (11) is not contacted with the outer wall of the rotating shaft body (3), and the gap between the inner wall of the mounting groove (11) and the outer wall of the rotating shaft body (3) is one millimeter.

4. The impeller head sealing device of the circulating fan as claimed in claim 1, wherein: four mounting holes are formed in the connecting plates (7), second mounting screws (5) are movably mounted on the connecting plates, and the four connecting plates (7) are fixedly connected with one side of the fan shell (1) through the second mounting screws (5) respectively.

5. The impeller head sealing device of the circulating fan as claimed in claim 1, wherein: sealing ring (10) quantity is two, and two sealing ring (10) back of the body one side of backing up from the other side are the orthogonal array respectively and have seted up the mounting hole, and there is first installation screw (4) in the mounting hole of two sealing ring (10) movable mounting respectively, and two sealing ring (10) are respectively through first installation screw (4) and seal receptacle (2) both sides fixed connection.

6. The impeller head sealing device of the circulating fan as claimed in claim 1, wherein: rubber sealing rings are arranged between the two bearings (6) and the sealing ring (10).

7. The impeller head sealing device of the circulating fan as claimed in claim 1, wherein: and sealant is filled and injected at the joint of the sealing seat (2) and the fan shell (1).