CN217784214U - Double-layer mechanical sealing device for stirrer - Google Patents

Abstract

The utility model discloses a double-deck formula mechanical seal device is used to agitator, including fixing base and through-hole, one side of fixing base is equipped with the through-hole, the inside of through-hole is equipped with the rotation axis, rotation axis and through-hole rotate the connection, the one end of rotation axis is equipped with first slider, first slider and rotation axis fixed connection, the inner wall of through-hole is equipped with first spout, first spout and first slider sliding connection, one side of first slider is equipped with the second slider, the inner wall of through-hole is equipped with the second spout, second slider and second spout sliding connection, through first slider and the first spout that is equipped with, when the rotation axis rotates in the inside of through-hole, first slider can slide in the inside of first spout, the second slider can slide in the inside of second spout simultaneously, this bilayer structure's setting, can effectually improve the leakproofness between rotation axis and the fixing base, and simultaneously, the rotation axis is more stable when rotating and is smooth, be difficult for the skew to appear, the life of this agitator has been improved.

Description

Double-layer mechanical sealing device for stirrer

Technical Field

The utility model relates to a stirrer field especially relates to a double-deck formula mechanical seal device is used to agitator.

Background

The stirrer is a device for forcing convection and uniform mixing of liquid and gas media. The type, size and speed of rotation of the stirrer all have an effect on the distribution of the stirring power between bulk flow and turbulent pulsation. In general, the power distribution of a turbine-type agitator is favorable for turbulent pulsation, while a propeller-type agitator is favorable for bulk flow. For the same type of agitator, the power consumption is mainly for the bulk flow and the macro-mixing is facilitated for large diameter, low speed agitators, which consume the same power consumption.

At present, the existing stirrer has partial defects, the sealing performance between most stirring shafts and a fixing plate is insufficient, according to the national standard, the movement of a shaft for installing a mechanical seal is less than +/-2 mm, the movement of a shaft in the operation of a horizontal stirrer greatly exceeds the range, and even the condition of liquid leakage occurs, so that the double-layer mechanical sealing device for the stirrer is provided.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a double-deck formula mechanical seal device for agitator to propose current agitator and still have partial defect in solving above-mentioned background art, leakproofness between most (mixing) shaft and the fixed plate is not enough, according to the national standard regulation, the removal of installation mechanical seal's axle should be less than 2mm, and horizontal agitator operation centraxonial removal has surpassed this scope greatly, the problem of the condition of weeping appears even.

The technical scheme of the utility model is that:

the utility model provides a double-deck formula mechanical seal device for agitator, includes fixing base and through-hole, one side of fixing base is equipped with the through-hole, the fixing base comprises two half arc structures, the inside of through-hole is equipped with the rotation axis, rotation axis and through-hole rotate to be connected, the one end of rotation axis is equipped with first slider, first slider and rotation axis fixed connection, the inner wall of through-hole is equipped with first spout, first spout and first slider sliding connection, one side of first slider is equipped with the second slider, the inner wall of through-hole is equipped with the second spout, second slider and second spout sliding connection.

The working principle of the technical scheme is as follows:

at using this agitator, when the rotation axis rotates in the inside of through-hole, first slider can slide in the inside of first spout, the second slider can slide in the inside of second spout simultaneously, this bilayer structure's setting, can effectually improve the leakproofness between rotation axis and the fixing base, simultaneously, make the rotation axis more stable when rotating and smooth, the skew is difficult to appear, the life of this agitator has been improved, it still has partial defect to have solved current agitator, the leakproofness between most (mixing) shaft and the fixed plate is not enough, stipulate according to national standard, the removal of installation mechanical seal's axle should be less than 2mm, and horizontal agitator operation centraxonial removal has surpassed this scope greatly, the problem of the condition of weeping appears even.

In a further technical scheme, a lower fixing plate is arranged in the middle of the rotating shaft, a lower guide block is arranged on one side of the lower fixing plate, and the lower guide block is fixedly connected with the lower fixing plate.

Through the bottom plate that is equipped with, realized the fixed of guide block down, through the lower guide block that is equipped with, can be to playing the guide effect between rotation axis and the fixing base, make its more durable, solved the not enough technical problem of stability among the prior art.

In a further technical scheme, one side of the fixing seat is provided with a lower guide groove, and the lower guide block is connected with the lower guide groove in a sliding manner.

Through the lower guide way that is equipped with, during rotation of the shaft, the inside of guide block guide way slides under down to increased the lifting surface area between rotation axis and the fixing base, further improved the device's stability, solved the not enough technical problem of stability among the prior art.

In a further technical scheme, an upper fixing plate is arranged at one end of the rotating shaft, an upper guide block is arranged on one side of the upper fixing plate, and the upper guide block is fixedly connected with the upper fixing plate.

Through the upper fixed plate that is equipped with, realized the fixed of last guide block, through the last guide block that is equipped with, can play the guide effect to the top of fixing base, improved the leakproofness of this structure simultaneously, solved the not enough technical problem of leakproofness among the prior art.

In a further technical scheme, one side of the fixed seat is provided with an upper guide groove, and the upper guide block is connected with the upper guide groove in a sliding manner.

Through the last guide way that is equipped with, when the rotation axis rotated, go up the guide block and slided in the inside of last guide way to it is inseparabler to make to be connected between rotation axis and the fixing base, has improved the device's performance, has solved the relatively poor technical problem of performance among the prior art.

In a further technical scheme, one end of the rotating shaft is provided with a motor, and the output end of the motor is fixedly connected with the rotating shaft.

Through the motor that is equipped with, for the rotation of rotation axis provides power to realize the stirring function of this agitator, improved stirring speed, solved the lower technical problem of work efficiency among the prior art.

In a further technical scheme, one side of the rotating shaft is provided with a stirring blade, and the stirring blade is fixedly connected with the rotating shaft.

Through the stirring leaf that is equipped with, when the rotation axis rotated, drive the stirring leaf and rotate to stir the product, make its homogeneous mixing, simple structure, low in production cost has solved the comparatively complicated technical problem of structure among the prior art.

The utility model has the advantages that:

1. through the arrangement of the double-layer structure, the sealing performance between the rotating shaft and the fixed seat can be effectively improved, the liquid leakage condition is avoided, the use is safer and more reliable, and the service life of the stirrer is prolonged;

2. the lower fixing plate is arranged to fix the lower guide block, and the lower guide block can guide the rotating shaft and the fixed seat, so that the lower guide block is more durable and the technical problem of insufficient stability in the prior art is solved;

3. through the lower guide groove, when the rotating shaft rotates, the lower guide block slides in the lower guide groove, so that the stress area between the rotating shaft and the fixed seat is increased, and the stability of the device is further improved;

4. the upper fixing plate is arranged to fix the upper guide block, the top of the fixing seat can be guided by the upper guide block, and the sealing performance of the structure is improved;

5. through the upper guide groove, when the rotating shaft rotates, the upper guide block slides in the upper guide groove, so that the connection between the rotating shaft and the fixed seat is tighter, and the performance of the device is improved;

6. the motor provides power for the rotation of the rotating shaft, so that the stirring function of the stirrer is realized, and the stirring speed is increased;

7. through the stirring leaf that is equipped with, when the rotation axis rotated, drive the stirring leaf and rotate to stir the product, make its homogeneous mixing, simple structure, low in production cost.

Drawings

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

fig. 2 is a schematic diagram of an explosion structure of an embodiment of the present invention;

FIG. 3 is a schematic view of a partial structure of an embodiment of the present invention;

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

Description of reference numerals:

1. a fixed seat; 2. a through hole; 3. a rotating shaft; 4. a first slider; 5. a second slider; 6. a first chute; 7. a second chute; 8. an upper fixing plate; 9. an upper guide block; 10. an upper guide groove; 11. a lower fixing plate; 12. a lower guide block; 13. a lower guide groove; 14. a motor; 15. stirring the leaf.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Example (b): 1

As shown in fig. 1-4, a double-layer mechanical sealing device for an agitator comprises a fixing seat 1 and a through hole 2, one side of the fixing seat 1 is provided with the through hole 2, the fixing seat 1 is composed of two semi-arc structures, the inside of the through hole 2 is provided with a rotating shaft 3, the rotating shaft 3 is rotatably connected with the through hole 2, one end of the rotating shaft 3 is provided with a first slider 4, the first slider 4 is fixedly connected with the rotating shaft 3, the inner wall of the through hole 2 is provided with a first sliding groove 6, the first sliding groove 6 is slidably connected with the first slider 4, one side of the first slider 4 is provided with a second slider 5, the inner wall of the through hole 2 is provided with a second sliding groove 7, and the second slider 5 is slidably connected with the second sliding groove 7.

The working principle of the technical scheme is as follows:

at using this agitator, when rotation axis 3 rotates in the inside of through-hole 2, first slider 4 can slide in the inside of first spout 6, second slider 5 can slide in the inside of second spout 7 simultaneously, this bilayer structure's setting, can effectually improve the leakproofness between rotation axis 3 and the fixing base 1, and simultaneously, make rotation axis 3 more stable smooth when rotating, the skew is difficult for appearing, the life of this agitator has been improved, current agitator has still had partial defect to be solved, the leakproofness between most (mixing) shaft and the fixed plate is not enough, stipulate according to national standard, the removal of installation mechanical seal's axle should be less than 2mm, and horizontal agitator operation centraxonial removal has surpassed this scope greatly, the problem of the condition of weeping appears even.

The embodiment is as follows: 2

As shown in fig. 1-4, a lower fixing plate 8 is disposed in the middle of the rotating shaft 3, a lower guide block 9 is disposed on one side of the lower fixing plate 8, the lower guide block 9 is fixedly connected to the lower fixing plate 8, a lower guide groove 10 is disposed on one side of the fixing base 1, the lower guide block 9 is slidably connected to the lower guide groove 10, an upper fixing plate 11 is disposed at one end of the rotating shaft 3, an upper guide block 12 is disposed on one side of the upper fixing plate 11, the upper guide block 12 is fixedly connected to the upper fixing plate 11, an upper guide groove 13 is disposed on one side of the fixing base 1, the upper guide block 12 is slidably connected to the upper guide groove 13, a motor 14 is disposed at one end of the rotating shaft 3, an output end of the motor 14 is fixedly connected to the rotating shaft 3, a stirring blade 15 is disposed on one side of the rotating shaft 3, and the stirring blade 15 is fixedly connected to the rotating shaft 3.

Through the bottom dead plate 8 that is equipped with, the fixing of lower guide block 9 has been realized, through the lower guide block 9 that is equipped with, can play the guide effect between pivot 3 and fixing base 1, make it more durable, through the lower guide way 10 that is equipped with, when pivot 3 rotates, lower guide block 9 slides in the inside of lower guide way 10, thereby the lifting surface between pivot 3 and fixing base 1 has been increased, the stability of the device has further been improved, through the top dead plate 11 that is equipped with, the fixing of last guide block 12 has been realized, through the last guide block 12 that is equipped with, can play the guide effect to the top of fixing base 1, the leakproofness of this structure has been improved simultaneously, through last guide way 13 that is equipped with, when pivot 3 rotates, last guide block 12 has slided in the inside of last guide way 13, thereby make the connection between pivot 3 and the fixing base 1 tighter, the performance of the device has been improved, through the motor 14 that is equipped with, power has been provided for the rotation of pivot 3, thereby realize the stirring function of this agitator, stirring speed has been improved, through the stirring leaf 15 that is rotated, when pivot 3, drive, thereby stir the leaf 15, thereby it is simple to carry out the mixed product production cost, thereby, it is produced, the product is low cost.

The above-mentioned embodiments only express the specific implementation manner of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims (7)

1. The utility model provides a double-deck formula mechanical seal device for agitator, includes fixing base and through-hole, its characterized in that: one side of fixing base is equipped with the through-hole, the fixing base comprises two half arc structures, the inside of through-hole is equipped with the rotation axis, rotation axis and through-hole rotate to be connected, the one end of rotation axis is equipped with first slider, first slider and rotation axis fixed connection, the inner wall of through-hole is equipped with first spout, first spout and first slider sliding connection, one side of first slider is equipped with the second slider, the inner wall of through-hole is equipped with the second spout, second slider and second spout sliding connection.

2. A double-layer mechanical seal device for a mixer according to claim 1, wherein: the middle part of rotation axis is equipped with the bottom plate, one side of bottom plate is equipped with down the guide block, guide block and bottom plate fixed connection down.

3. A double-layer mechanical seal device for a mixer according to claim 2, wherein: one side of the fixing seat is provided with a lower guide groove, and the lower guide block is connected with the lower guide groove in a sliding manner.

4. A double-layer mechanical seal device for a mixer according to claim 1, wherein: one end of the rotating shaft is provided with an upper fixing plate, one side of the upper fixing plate is provided with an upper guide block, and the upper guide block is fixedly connected with the upper fixing plate.

5. The double-layer mechanical sealing device for the stirrer according to claim 4, wherein: one side of the fixed seat is provided with an upper guide groove, and the upper guide block is connected with the upper guide groove in a sliding manner.

6. The double-layer mechanical sealing device for the stirrer according to claim 1, wherein: and a motor is arranged at one end of the rotating shaft, and the output end of the motor is fixedly connected with the rotating shaft.

7. The double-layer mechanical sealing device for the stirrer according to claim 1, wherein: and one side of the rotating shaft is provided with a stirring blade which is fixedly connected with the rotating shaft.

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