CN215586037U - Submersible mixer - Google Patents

Abstract

The utility model discloses a submersible mixer, which comprises a shell and a motor, wherein an impeller device and a cable head are respectively arranged at two ends of the shell, impeller blades are arranged on the outer wall of the impeller device, an impeller shaft and a motor shaft are respectively arranged in the impeller device and at the output end of the motor, a first mechanical seal and a second mechanical seal are arranged on the impeller shaft, a bearing seat is arranged on the motor shaft, a first bearing is arranged in the bearing seat, a sealing mechanism for improving the sealing performance of the device is arranged between the first bearing and the bearing seat, one end of the motor shaft is matched with the impeller shaft, the other end of the motor shaft is rotatably connected with the shell, the submersible mixer has the advantages that the shell, the impeller device, the impeller blades, the bearing seat, the first bearing, the second bearing, the sealing mechanism and the like are arranged, an arc-shaped plate is abutted against the outer surface of the first bearing by utilizing the thrust of a spring, and the abrasion loss of the outer surface of the bearing can be compensated, so that the sealing performance of the device is improved.

Description

Submersible mixer

Technical Field

The utility model relates to the technical field of mixers, in particular to a submersible mixer.

Background

The submersible mixer is widely applied to the treatment process of domestic sewage and industrial wastewater, is the main equipment of the sewage treatment process, and mainly comprises an impeller, a motor, a bearing seat, a bearing, a mechanical seal seat, a mechanical seal and the like. In the horizontal installation pond of dive mixer, its working process is starting motor, and the impeller is rotatory stirring liquid under the drive of motor and is made liquid medium carry out intensive mixing, does work to sewage, and the axial thrust that produces makes sludge water mix, even, prevents that mud from deposiing.

After the existing submersible mixer is used for a long time, the outer surface of a bearing is abraded, the sealing performance inside the device is influenced, and the working efficiency of the submersible mixer is further influenced; therefore, an apparatus is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the submersible mixer provided by the utility model is provided with the structure and characteristics of the casing, the impeller device, the impeller blades, the bearing seat, the first bearing, the second bearing, the sealing mechanism and the like, and the arc-shaped plate is abutted against the outer surface of the first bearing by utilizing the thrust of the spring to the arc-shaped plate, so that the compensation quantity of the outer surface of the bearing can be compensated by utilizing the thrust of the arc-shaped plate to the first bearing, and the sealing performance of the device is further improved.

In order to solve the technical problems, the utility model provides the following technical scheme: submersible mixer, including casing and motor, the both ends of casing are provided with impeller device and cable head respectively, be provided with the impeller blade on impeller device's the outer wall, impeller device's inside and the output of motor are provided with impeller shaft and motor shaft respectively, be provided with mechanical seal and No. two mechanical seals on the impeller shaft, be provided with the bearing frame on the motor shaft, the inside bearing that is provided with of bearing frame, be provided with the sealing mechanism of hoisting device leakproofness between a bearing and the bearing frame, the one end and the impeller shaft cooperation of motor shaft, the other end and casing rotation are connected.

As a preferred technical scheme of the utility model, the sealing mechanism comprises an annular seat sleeved between the outer wall of the first bearing and the bearing seat, two arc-shaped grooves are symmetrically formed in the inner wall of the annular seat, the adjacent edges of the two arc-shaped grooves are coplanar, the end parts of the two arc-shaped grooves are provided with overlapping parts, arc-shaped plates with the cross-sectional dimensions the same as those of the arc-shaped grooves are connected in the arc-shaped grooves in a sliding manner, and springs are fixedly arranged between the arc-shaped grooves and the arc-shaped plates.

As a preferable technical scheme of the utility model, the central angle range corresponding to the arc-shaped groove is 190-250 degrees.

As a preferred technical scheme of the utility model, the arc-shaped groove and the contact position of the arc-shaped plate and the spring are both provided with a hole groove, and both ends of the spring are fixedly welded at the bottom of the hole groove.

As a preferred technical solution of the present invention, when the spring is in the shortest state, the outer wall of the arc-shaped plate and the outer wall of the annular seat form a complete arc.

As a preferable technical scheme of the utility model, the outer wall of the annular seat is fixedly bonded with a wear pad.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. through setting up casing, impeller device, impeller blade, bearing frame, a bearing, No. two bearings and sealing mechanism isotructures and characteristics, the arc utilizes the spring to the thrust of self, takes place to contradict with the surface of a bearing to can utilize the arc to compensate the wearing and tearing volume of bearing surface to the thrust of a bearing, and then hoisting device's leakproofness.

2. Through setting up the spring when being in the shortest state, the outer wall of arc and the outer wall of annular seat form complete arc isotructure and characteristic, can realize under the effect that the spring has the elasticity, the outside that the partly of arc stretches out the ring channel all the time takes place to contradict with the surface of a bearing to the realization that can furthest is to the compensation of a bearing surface wearing and tearing.

3. The outer wall of the annular seat is fixedly bonded with a wear-resistant pad; the abrasion of the outer wall of the annular seat can be reduced, so that the service life of the device is prolonged.

Drawings

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

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is a schematic perspective view of the annular seat of the present invention.

Wherein: 1. a housing; 2. an impeller device; 3. impeller blades; 4. a cable head; 5. a motor; 6. a connecting bolt; 7. a mechanical seal; 8. an impeller shaft; 9. a second mechanical seal; 10. a bearing seat; 11. a first bearing; 12. a motor shaft; 13. a second bearing; 14. an annular seat; 15. an arc-shaped slot; 16. an arc-shaped plate; 17. a spring; 18. a hole groove; 19. a wear pad.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts 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.

Example (b):

as shown in fig. 1-4, the utility model provides a submersible mixer, which comprises a casing 1 and a motor 5, wherein two ends of the casing 1 are respectively provided with an impeller device 2 and a cable head 4, the outer wall of the impeller device 2 is provided with impeller blades 3, the interior of the impeller device 2 and the output end of the motor 5 are respectively and fixedly connected with an impeller shaft 8 and a motor shaft 12, the impeller shaft 8 is provided with a first mechanical seal 7 and a second mechanical seal 9, the motor shaft 12 is provided with a bearing seat 10, the casing 1 is provided with a connecting bolt 6, the connecting bolt 6 fixedly connects the bearing seat 10 and the casing 1, the bearing seat 10 is internally provided with a first bearing 11, a sealing mechanism for improving the sealing performance of a device is arranged between the first bearing 11 and the bearing seat 10, the sealing mechanism comprises an annular seat 14 sleeved between the outer wall of the first bearing 11 and the bearing seat 10, the inner wall of the annular seat 14 is symmetrically provided with two arc-shaped grooves 15, the adjacent edges of the two arc-shaped grooves 15 are coplanar, the end parts of the two arc-shaped grooves 15 are provided with overlapped parts, the range of the central angle corresponding to the arc-shaped grooves 15 is 190-250 degrees, the inside of the arc-shaped grooves 15 is connected with an arc-shaped plate 16 with the same section size as that of the arc-shaped grooves 15 in a sliding manner, a spring 17 is fixedly arranged between the arc-shaped grooves 15 and the arc-shaped plate 16, one end of a motor shaft 12 is matched with an impeller shaft 8, the matching manner is preferably fixedly connected through a coupler, the other end of the motor shaft 12 is connected with a second bearing 13 in an interference manner, and the second bearing 13 is connected with the shell 1 in a sliding manner;

when the device is used, due to the fact that the first bearing 11 is used for a long time, the outer surface of the first bearing 11 is abraded, the sealing performance inside the device is reduced, the sealing mechanism is arranged on the outer wall of the bearing, when the sealing mechanism works, the arc-shaped plate 16 collides with the outer surface of the first bearing 11 through the thrust of the spring 17 to the arc-shaped plate 16, and therefore the compensation amount of the outer surface of the bearing can be compensated through the arc-shaped plate 16, and the sealing performance of the device is improved; above-mentioned structure utilizes arc 16 to utilize spring 17 to the thrust of self, conflicts with the surface of a bearing 11 to can utilize arc 16 to compensate the wearing and tearing volume of bearing surface to the thrust of a bearing 11, and then hoisting device's leakproofness.

In other embodiments, the arc-shaped grooves 15 and the arc-shaped plates 16 are provided with hole grooves 18 at positions where they contact with the springs 17, and both ends of the springs 17 are fixedly welded at the bottoms of the hole grooves 18; when in use, the two ends of the spring 17 are fixedly welded at the bottom of the hole groove 18, so that the stability of the spring 17 after installation can be improved, and the stability of the sealing mechanism is improved.

In other embodiments, when the spring 17 is in the shortest state, the outer wall of the arc plate 16 and the outer wall of the annular seat 14 form a complete arc; when the compensation device is used, due to the state and position design of the spring 17 and the arc-shaped plate 16, the effect that the spring 17 has elastic force can be realized, and part of the arc-shaped plate 16 always extends out of the annular groove to be collided with the outer surface of the first bearing 11, so that the compensation for the outer surface abrasion of the first bearing 11 can be realized to the maximum extent.

In other embodiments, the outer wall of the annular seat 14 is fixedly bonded with a wear pad 19; when the device is used, the wear-resistant pad 19 is fixedly bonded on the outer wall of the annular seat 14, so that the abrasion of the outer wall of the annular seat 14 can be reduced, and the service life of the device is prolonged.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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 utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. Dive mixer, including casing (1) and motor (5), its characterized in that: the utility model discloses a cable head, including casing (1), impeller device (2), motor shaft (10), bearing frame (11), impeller device (2) and cable head (4), be provided with impeller blade (3) on the outer wall of impeller device (2), the inside of impeller device (2) and the output of motor (5) are provided with impeller shaft (8) and motor shaft (12) respectively, be provided with mechanical seal (7) and No. two mechanical seal (9) on impeller shaft (8), be provided with bearing frame (10) on motor shaft (12), bearing frame (10) inside is provided with bearing (11), be provided with the sealing mechanism of hoisting device leakproofness between bearing (11) and bearing frame (10), the one end and the impeller shaft (8) cooperation of motor shaft (12), the other end is connected with casing (1).

2. A submersible mixer as recited in claim 1, wherein: the sealing mechanism comprises an annular seat (14) sleeved between the outer wall of a first bearing (11) and a bearing seat (10), two arc-shaped grooves (15) are symmetrically formed in the inner wall of the annular seat (14), the adjacent edges of the two arc-shaped grooves (15) are coplanar, the end parts of the two arc-shaped grooves (15) are provided with overlapping parts, an arc plate (16) with the cross section size being the same as that of the arc-shaped grooves (15) is slidably connected to the inner part of the arc-shaped grooves (15), and a spring (17) is fixedly arranged between the arc-shaped grooves (15) and the arc plate (16).

3. A submersible mixer as recited in claim 2, wherein: the central angle range corresponding to the arc-shaped groove (15) is 190 DEG and 250 deg.

4. A submersible mixer as recited in claim 3, wherein: hole grooves (18) are formed in the positions, where the arc-shaped grooves (15) and the arc-shaped plates (16) are in contact with the springs (17), and the two ends of the springs (17) are fixedly welded at the bottoms of the hole grooves (18).

5. A submersible mixer as recited in claim 2, wherein: when the spring (17) is in the shortest state, the outer wall of the arc-shaped plate (16) and the outer wall of the annular seat (14) form a complete arc.

6. A submersible mixer as recited in claim 5, wherein: and a wear-resistant pad (19) is fixedly bonded on the outer wall of the annular seat (14).

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