CN214304492U

CN214304492U - Novel centrifugal water pump shaft

Info

Publication number: CN214304492U
Application number: CN202120494044.XU
Authority: CN
Inventors: 孙勇
Original assignee: Ningbo Zi Er Machinery Co ltd
Current assignee: Ningbo Zi Er Machinery Co ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-09-28
Anticipated expiration: 2031-03-08

Abstract

The utility model relates to a centrifugal water pump technical field just discloses a novel centrifugal water pump shaft, which comprises a housin, the equal fixed mounting in inside both ends of casing has fixed disk, two the equal fixed mounting in one side that the casing was kept away from to fixed disk has a pipe, two the inside of pipe is close to the equal fixed cup joint in one side of fixed disk has the bearing, two fixed mounting has the axis body between the bearing, the both ends of axis body fixed joint respectively in the inboard of two bearings. This novel centrifugal water pump shaft, when driving the axis body through the motor and rotating, the both ends of axis body are rotatory in the inboard of two bearings to it is rotatory to drive the inner circle of two bearings, and the outer lane fixed mounting of bearing can avoid following the commentaries on classics in the inside of pipe, at rotatory in-process, under the spring action of spring, the outside of the axis body is all laminated to the steady piece, produce the pressing force to the axis body from a plurality of directions, thereby reduce the shake that the axis body produced at rotatory in-process, play the effect of protection to motor and axis body.

Description

Novel centrifugal water pump shaft

Technical Field

The utility model relates to a centrifugal water pump technical field specifically is a novel centrifugal water pump shaft.

Background

The centrifugal pump works by utilizing the rotation of an impeller to enable water to generate centrifugal motion, before the water pump is started, a pump shell and a water suction pipe are filled with water, then a motor is started, a pump shaft drives the impeller and the water to generate high-speed rotation motion, the water generates centrifugal motion and is thrown to the outer edge of the impeller, and the water flows into a water pressure pipeline of the water pump through a flow channel of a volute-shaped pump shell.

1. The one end and the output motor of centrifugal water pump axle are connected, and one end is connected with the impeller, because centrifugal water pump axle has certain length and both ends not to have fixed knot to construct, when output motor drove the water pump axle rotatory, the one end that centrifugal water pump and impeller are connected when taking impeller and water rotation, can produce certain shake, use for a long time and be in the shake state and cause the damage of water pump axle and output motor very easily.

2. And the existing centrifugal water pump shaft generally adds lubricating oil from one end connected with the output motor, and the added lubricating oil easily enters the interior of the pump body along the shaft body, so that the condition that a large amount of lubricating oil is accumulated in the pump body is caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a novel centrifugal water pump shaft possesses and makes the axis body rotate more stable, avoid a large amount of lubricating oil to get into advantages such as the pump body is inside, has solved the shake and has caused the problem of damage, the inside a large amount of lubricating oil that accumulates of pump body of water pump shaft and output motor.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a novel centrifugal water pump shaft comprises a shell, wherein fixed round blocks are fixedly arranged at two ends in the shell, round pipes are fixedly arranged at one sides of the two fixed round blocks, which are far away from the shell, bearings are fixedly sleeved at one sides of the two round pipes, which are close to the fixed round blocks, a shaft body is fixedly arranged between the two bearings, two ends of the shaft body are respectively fixedly clamped at the inner sides of the two bearings, a plurality of connecting rods are fixedly arranged between the two fixed round blocks, a cylindrical shell is fixedly arranged on one side of the connecting rod, which is opposite to the shaft body, the inner side of the cylindrical shell is movably sleeved with an anti-falling plate, the anti-disengaging plate is just to one side fixed mounting of axis body has movable post, one side that the activity post is close to the axis body extends to the outside of cylinder shell and fixed mounting has a steady piece, the cylinder shell is inside to have cup jointed the spring in the activity between the one end of keeping away from the axis body and the anti-disengaging plate.

Preferably, a groove is formed in the outer side of one end of the shaft body and at the joint of the bearing and the fixed round block, a movable sealing ring is movably sleeved in the groove, and a first sealing ring is fixedly sleeved on the outer side of the shaft body and beside one side of the bearing far away from the fixed round block.

Preferably, the outer side of the fixed round block is fixedly provided with four clamping blocks, the inner side of the shell is provided with a clamping groove at the corresponding position of each clamping block, and the clamping blocks are clamped with the inner side of the clamping grooves.

Preferably, the number of the connecting rods is four, and the four connecting rods are uniformly distributed between the two fixed round blocks.

Preferably, the radius of the anti-dropping plate is larger than that of the opening at the bottom of the cylindrical shell, and the radius of the movable column is matched with that of the opening at the bottom of the cylindrical shell.

Preferably, one side that the stabilizing block is close to the movable column is the plane, one side that the stabilizing block is far away from the movable column is the arc surface, one side that the stabilizing block is far away from the movable column is laminated with the outside of axis body.

Compared with the prior art, the utility model provides a novel centrifugal water pump axle possesses following beneficial effect:

1. this novel centrifugal water pump shaft, when driving the axis body through the motor and rotating, the both ends of axis body are rotatory in the inboard of two bearings to it is rotatory to drive the inner circle of two bearings, and the outer lane fixed mounting of bearing can avoid following the commentaries on classics in the inside of pipe, at rotatory in-process, under the spring action of spring, the outside of the axis body is all laminated to all steady pieces, produce pressing force to the axis body from a plurality of directions, thereby reduce the shake that the axis body produced at rotatory in-process, play the effect of protection to motor and axis body.

2. This novel centrifugal water pump shaft, through the inside that instils into the pipe with lubricating oil, lubricating oil can enter into between bearing inner circle and the outer lane in the inside of pipe, and sealing washer one can reduce lubricating oil and contact axis body and bearing inner circle junction, and movable seal circle can reduce lubricating oil and enter into inside the casing from the gap between axis body and the fixed disk to reach lubricating oil can fully lubricate the bearing and avoid lubricating oil to get into the inside effect of casing in a large number.

Drawings

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

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is a schematic view of the installation position of the middle bearing of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 1 according to the present invention.

Wherein: 1. a housing; 2. a shaft body; 3. a connecting rod; 4. a cylindrical shell; 5. a clamping block; 6. fixing the round block; 7. a circular tube; 8. a card slot; 9. a first sealing ring; 10. a bearing; 11. a movable sealing ring; 12. a groove; 13. a movable post; 14. an anti-drop plate; 15. a spring; 16. and (6) stabilizing the 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.

Referring to fig. 1-4, a novel centrifugal water pump shaft includes a housing 1, and is characterized in that: the equal fixed mounting in casing 1's the inside both ends has fixed disk 6, the equal fixed mounting in one side of casing 1 has pipe 7 is kept away from to two fixed disk 6, the inside of two pipe 7 is close to one side of fixed disk 6 and has all fixedly cup jointed bearing 10, fixed mounting has axis body 2 between two bearing 10, the both ends of axis body 2 fixed joint respectively in the inboard of two bearing 10, fixed mounting has a plurality of connecting rod 3 between two fixed disk 6, connecting rod 3 is just to one side fixed mounting of axis body 2 has cylinder shell 4, anticreep board 14 has been cup jointed in the inboard activity of cylinder shell 4, anticreep board 14 just has movable post 13 to one side fixed mounting of axis body 2, movable post 13 is close to one side that axis body 2 extends to the outside and fixed mounting of cylinder shell 4 and has steady piece 16, cylinder shell 4 is inside to keep away from the activity of having cup jointed spring 15 between axis body 2's one end and anticreep board 14.

According to the above technical scheme, when centrifugal pump motor drives axis body 2 and rotates, the both ends of axis body 2 are rotatory in the inboard of two bearings 10, and it is rotatory to drive the inner circle of two bearings 10, and bearing 10's outer lane fixed mounting is in the inside of pipe 7, can avoid following the commentaries on classics, at rotatory in-process, under spring 15's elastic force effect, all steady blocks 16 all laminate the outside of axis body 2, produce the pressing force to the axle center direction to axis body 2 from a plurality of directions, thereby reduce the shake that axis body 2 produced at rotatory in-process, thereby reach the effect that plays the effect of protection to motor and axis body 2.

Specifically, the one end outside of axis body 2 and in the junction of bearing 10 and fixed disk 6 seted up recess 12, the movable seal circle 11 has been cup jointed in the inside activity of recess 12, the outside of axis body 2 and in the other fixed cup joint of one side of bearing 10 keeping away from fixed disk 6 have a sealing washer 9.

According to the above technical scheme, movable seal ring 11 is for rotating the sealing washer, can play the effect of dynamic seal, when the axis body 2 is rotatory, still can play the effect that reduces lubricating oil and enter into 1 inside of casing, can instil into the inside of pipe 7 with lubricating oil, lubricating oil can enter into between bearing 10 inner circle and the outer lane in the inside of pipe 7, sealing washer 9 can reduce lubricating oil and contact axis body 2 and bearing 10 inner circle junction, movable seal ring 11 can reduce lubricating oil and enter into inside of casing 1 from the gap between axis body 2 and the fixed disk 6, thereby reach lubricating oil can fully lubricate bearing 10 and avoid lubricating oil to get into the inside effect of casing 1 in a large number.

Specifically, four fixture blocks 5 are fixedly mounted on the outer side of the fixed round block 6, a clamping groove 8 is formed in the inner side of the shell 1 and in the corresponding position of each fixture block 5, and the fixture blocks 5 are clamped with the inner side of the clamping groove 8.

According to the technical scheme, the clamping block 5 outside the fixed round block 6 is clamped in the clamping groove 8, so that the fixed round block 6 is prevented from rotating in the shell 1, and the effect of stabilizing the position of the fixed round block 6 is achieved.

Specifically, the number of the connecting rods 3 is four, and the four connecting rods 3 are uniformly distributed between the two fixed round blocks 6.

According to the technical scheme, the deviation angle between each connecting rod 3 and two adjacent connecting rods 3 is 90 degrees, so that the shaft body 2 can receive pressing force from the stabilizing blocks 16 in multiple directions to the axis direction of the shaft body 2 when rotating, and the effect of reducing the shaking generated in the rotating process of the shaft body 2 is achieved.

Specifically, the radius of the anti-falling plate 14 is larger than the radius of the bottom opening of the cylindrical shell 4, and the radius of the movable column 13 is matched with the radius of the bottom opening of the cylindrical shell 4.

According to above-mentioned technical scheme, spring 15 can be to 2 directions promotion anticreep board 14 of axis body and activity post 13, makes stable piece 16 play to press stable effect to axis body 2, and anticreep board 14 can play the effect of avoiding anticreep board 14 and activity post 13 to break away from cylinder shell 4 inside completely.

Specifically, one side of the stabilizing block 16 close to the movable column 13 is a plane, one side of the stabilizing block 16 far away from the movable column 13 is an arc surface, and one side of the stabilizing block 16 far away from the movable column 13 is attached to the outer side of the shaft body 2.

According to the above technical scheme, one side of the stabilizing block 16 close to the shaft body 2 is attached to the shaft body 2, so that the stabilizing block 16 can exert pressure on the shaft body 2 more stably, and the effect of the stabilizing block 16 is more stable.

When using, when centrifugal pump motor drives 2 rotations of axis body, the both ends of axis body 2 are rotatory in the inboard of two bearings 10, and it is rotatory to drive the inner circle of two bearings 10, and bearing 10's outer lane fixed mounting is in the inside of pipe 7, can avoid following the commentaries on classics, at rotatory in-process, under spring 15's elastic force effect, all steady blocks 16 all laminate the outside of axis body 2, produce the pressing force to axis body 2 from a plurality of directions, thereby reduce the shake that axis body 2 produced at rotatory in-process, play the effect of protection to motor and axis body 2.

When needs are lubricated to axis body 2, can instil into the inside of pipe 7 with lubricating oil, lubricating oil can enter into between bearing 10 inner circle and the outer lane in the inside of pipe 7, sealing washer one 9 can reduce lubricating oil and contact axis body 2 and the junction of bearing 10 inner circle, movable seal circle 11 can reduce lubricating oil and enter into 1 inside casing from the gap between axis body 2 and the fixed disk 6 to reach lubricating oil can fully lubricate bearing 10 and avoid lubricating oil to get into the inside effect of casing 1 in a large number.

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. A novel centrifugal water pump shaft, includes casing (1), its characterized in that: the anti-dropping device is characterized in that fixed round blocks (6) are fixedly mounted at two ends of the interior of the shell (1), round pipes (7) are fixedly mounted at one sides, far away from the shell (1), of the two fixed round blocks (6), bearings (10) are fixedly sleeved at one sides, close to the fixed round blocks (6), of the interiors of the two round pipes (7), a shaft body (2) is fixedly mounted between the bearings (10), two ends of the shaft body (2) are fixedly clamped at the inner sides of the two bearings (10) respectively, a plurality of connecting rods (3) are fixedly mounted between the two fixed round blocks (6), a cylindrical shell (4) is fixedly mounted at one side, just opposite to the shaft body (2), of each connecting rod (3), an anti-dropping plate (14) is movably sleeved at the inner side of the cylindrical shell (4), and a movable column (13) is fixedly mounted at one side, just opposite to the shaft body (2), of each anti-dropping plate (14), one side of the movable column (13) close to the shaft body (2) extends to the outer side of the cylindrical shell (4) and is fixedly provided with a stabilizing block (16), and a spring (15) is movably sleeved between one end of the cylindrical shell (4) far away from the shaft body (2) and the anti-falling plate (14).

2. The novel centrifugal water pump shaft of claim 1, wherein: the utility model discloses a sealing ring, including bearing (10) and fixed disk (6), the one end outside of axis body (2) just sets up fluted (12) in the junction of bearing (10) and fixed disk (6), movable sealing washer (11) have been cup jointed in the inside activity of recess (12), the outside of axis body (2) just keeps away from the other fixed cup joint in one side of fixed disk (6) in bearing (10) has sealing washer (9).

3. The novel centrifugal water pump shaft of claim 1, wherein: the outside fixed mounting of fixed circular block (6) has four fixture blocks (5), draw-in groove (8) have all been seted up in the inboard of casing (1) and in the corresponding position of every fixture block (5), the inboard of fixture block (5) joint and draw-in groove (8).

4. The novel centrifugal water pump shaft of claim 1, wherein: the number of the connecting rods (3) is four, and the connecting rods (3) are uniformly distributed between the two fixed round blocks (6).

5. The novel centrifugal water pump shaft of claim 1, wherein: the radius of the anti-falling plate (14) is larger than that of the bottom opening of the cylindrical shell (4), and the radius of the movable column (13) is matched with that of the bottom opening of the cylindrical shell (4).

6. The novel centrifugal water pump shaft of claim 1, wherein: one side that steady piece (16) are close to movable post (13) is the plane, one side that movable post (13) were kept away from in steady piece (16) is the arc surface, one side that movable post (13) were kept away from in steady piece (16) is laminated with the outside of axis body (2).