CN219492663U - Mute type multistage waterproof submersible pump - Google Patents

Abstract

The utility model relates to the technical field of submersible pumps and discloses a mute type multistage waterproof submersible pump which comprises a pump shell, wherein a rotor is rotatably arranged in the pump shell, a pump body is fixedly arranged at the upper end of the pump shell, a rotating shaft is fixedly connected to the bottom of the rotor, a connecting ring is fixedly arranged at the position, corresponding to the rotating shaft, of the inner wall of the bottom of the pump shell, a lubricating cavity is formed in the connecting ring, a plurality of mounting holes are formed in the outer wall of one side, close to the rotating shaft, of the lubricating cavity in a penetrating manner, and balls are rotatably arranged in the mounting holes. This kind of multistage waterproof immersible pump of silence formula, through offer the lubrication chamber and pour into lubricating oil inside the go-between, the outer wall of rotation axis lower extreme outer wall contacts with the outer wall of ball, drives the ball and rotates jointly when the rotation axis rotates, and the lubricating oil that its outer wall was stained with can be driven to the position with the rotation axis contact when the ball rotates, plays lubricated effect to the rotation axis lower extreme outer wall, and then reduces the noise that rotation axis lower extreme outer wall and go-between friction produced.

Description

Mute type multistage waterproof submersible pump

Technical Field

The utility model relates to the technical field of submersible pumps, in particular to a mute type multistage waterproof submersible pump.

Background

The submersible pump is an important device for extracting water from a deep well, and when in use, the whole unit is immersed into water to work, and deep water is extracted to the ground, so that the submersible pump is widely applied to industry and agriculture. Most of the submersible pumps take the motor as a driving source, so that the whole submersible pump needs to be made into a waterproof structure, a rotating shaft of the motor penetrates out of the submersible pump to be connected with the booster impeller, and the rotating shaft needs to be made into a further sealed waterproof structure.

In the prior art, the rotating shaft is sealed by only using a single-stage oil seal, the abrasion caused by rotating the rotating shaft is added, the oil seal is easy to damage under long-time working, water is led to enter the submerged pump to cause short-circuit leakage accidents, and certain potential safety hazards exist.

In the prior art, patent number CN218439874U discloses a multistage waterproof submersible pump, which comprises a pump shell, a shell cover, a motor rotor and an impeller, wherein the pump shell is used for placing the motor rotor therein and sealing the motor rotor by the shell cover, a sealing hole structure is arranged on the shell cover, the end part of a rotating shaft of the motor rotor penetrates through the sealing hole structure and penetrates out of the shell cover to be connected with the impeller, the sealing hole structure comprises a penetrating hole on the shell cover, a secondary flange covered above the penetrating hole and a primary flange covered outside the secondary flange, flange holes coaxially arranged with the penetrating hole are arranged on the secondary flange and the primary flange, an oil seal is arranged in the penetrating hole, a third-stage seal is formed by adopting a traditional oil seal technology, an oil cavity for injecting transformer oil is formed between the secondary flange hole and the penetrating hole, and the purpose that water cannot easily enter is achieved by utilizing the relation of specific gravity of water and oil, so as to form a second-stage seal; a sealing rubber ring is clamped between the primary flange hole and the secondary flange hole to realize primary sealing, and the end part of a rotating shaft of the motor rotor sequentially penetrates through the tertiary sealing hole structure to be connected with the impeller.

Although this technical scheme can be used to solve the oil blanket and lead to the immersible pump inside to advance water and cause the problem of short circuit electric leakage accident after damaging because of wearing and tearing when using, above-mentioned technical scheme is rotatory with pump case bottom inner wall to be connected, and the rotation axis terminal is the metal setting with the pump case junction together, and the hard contact between the two can cause this immersible pump to produce great noise when using.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a mute type multistage waterproof submersible pump, so that the submersible pump is more mute when in use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multistage waterproof immersible pump of silence formula, includes the pump case, and the inside rotation of pump case installs the rotor, and the upper end fixed mounting of pump case has the pump owner body, the bottom fixedly connected with rotation axis of rotor, the bottom inner wall of pump case and the position fixed mounting that the rotation axis corresponds have the go-between, and lubrication chamber has been seted up to the inside of go-between, and lubrication chamber is close to one side outer wall of rotation axis and runs through and has seted up a plurality of mounting holes, and the ball is installed in the inside rotation of mounting hole, and lubrication chamber's inside is poured with lubricating oil.

Preferably, the lubricating cavity is internally filled with a sponge.

Preferably, the sponge bottom fixedly connected with oil absorption cotton, the bottom fixed mounting of pump case has the oil storage box, and the intercommunication groove has been seted up in the bottom of pump case, and the inside intercommunication setting of intercommunication groove and lubrication chamber, and the end of oil absorption cotton runs through in the oil storage box through the intercommunication groove.

Preferably, the lower end of the oil absorbing cotton is contacted with the inner wall of the bottom of the oil storage box.

Preferably, the outer wall of the oil storage box is provided with an oil filling hole in a penetrating mode, and the inner thread of the oil filling hole is connected with a sealing plug.

Preferably, the outer wall of the plugging plug is fixedly connected with a connecting rope, and the other end of the connecting rope is fixedly connected with the lower end of the outer wall of the pump shell.

Preferably, the sealing plug is arranged in a truncated cone shape.

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

this kind of multistage waterproof immersible pump of silence formula, through offer the lubrication chamber and pour into lubricating oil inside the go-between, the outer wall of rotation axis lower extreme outer wall contacts with the outer wall of ball, drives the ball and rotates jointly when the rotation axis rotates, and the lubricating oil that its outer wall was stained with can be driven to the position with the rotation axis contact when the ball rotates, plays lubricated effect to the rotation axis lower extreme outer wall, and then reduces the noise that rotation axis lower extreme outer wall and go-between friction produced.

Drawings

FIG. 1 is a schematic view of the overall structure of the main body of the present utility model;

FIG. 2 is a schematic view of a lower end section of a pump housing structure of the present utility model;

fig. 3 is an enlarged partial schematic view of fig. 2 at a in accordance with the present utility model.

In the figure: 1. a pump housing; 2. a rotor; 3. a rotation shaft; 4. a connecting ring; 5. a sponge; 6. oil absorbing cotton; 7. a ball; 8. a lubrication chamber; 9. an oil storage box; 10. a connecting rope; 11. and (5) plugging.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

The technical scheme of the utility model is further described below with reference to the attached drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", etc., azimuth or positional relationship are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of operations, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1-3, a mute type multistage waterproof submersible pump comprises a pump shell 1, a rotor 2 is rotatably installed in the pump shell 1, a pump body is fixedly installed at the upper end of the pump shell 1, a rotating shaft 3 is fixedly connected to the bottom of the rotor 2, a connecting ring 4 is fixedly installed at the position, corresponding to the rotating shaft 3, of the inner wall of the bottom of the pump shell 1, a lubricating cavity 8 is formed in the connecting ring 4, a plurality of mounting holes are formed in the outer wall, close to the rotating shaft 3, of the lubricating cavity 8 in a penetrating mode, balls 7 are rotatably installed in the mounting holes, and lubricating oil is filled in the lubricating cavity 8.

The mute type multistage waterproof submersible pump provided by the utility model can be used for deep well water pumping and other works when in use, the main structure in the technical scheme is similar to the main structure of the multistage waterproof submersible pump disclosed in the patent number CN218439874U, when the technical scheme is used, the rotor 2 drives the rotating shaft 3 to rotate when the submersible pump works, when the rotating shaft 3 rotates, the outer wall at the lower end of the submersible pump contacts with the balls 7 and drives the balls 7 to jointly rotate, one part of the outer wall of the balls 7 contacts with the outer wall of the rotating shaft 3, the other part of the outer wall of the balls is contaminated with lubricating oil in the lubricating cavity 8, when the balls 7 rotate, the part of the outer wall contaminated with lubricating oil rotates to the outside of the connecting ring 4 to contact with the outer wall at the lower end of the rotating shaft 3, and further friction between the outer wall of the rotating shaft 3 and the connecting ring 4 is reduced, noise generated when the submersible pump operates is reduced, so that the noise is smaller when the submersible pump is used, and the mute effect is achieved.

Further, as shown in fig. 3, the sponge 5 is filled in the lubrication cavity 8, and the lubricating oil in the lubrication cavity 8 can be uniformly distributed in the sponge by the aid of the sponge 5, so that the plurality of balls 7 can be stained with the lubricating oil, and further, a lubrication effect is achieved on the outer wall of the rotating shaft 3.

Further, as shown in fig. 3, the bottom of the sponge 5 is fixedly connected with oil absorbing cotton 6, the bottom of the pump shell 1 is fixedly provided with an oil storage box 9, the bottom of the pump shell 1 is provided with a through groove in a penetrating manner, the through groove is communicated with the inside of the lubrication cavity 8, the tail end of the oil absorbing cotton 6 is extended into the oil storage box 9 through the through groove, oil inside the oil storage box 9 can enter the inside of the lubrication cavity 8 through the through groove, and then the oil storage capacity of the lubrication cavity 8 is increased.

Further, as shown in fig. 3, the lower end of the oil absorbing cotton 6 is in contact with the bottom inner wall of the oil storage box 9, and when the oil storage amount inside the oil storage box 9 is small, the lower end of the oil absorbing cotton 6 can still be in contact with the lubricating oil and convey the lubricating oil into the sponge 5, so that the sponge 5 in the lubricating cavity 8 is kept in a state of being soaked by the lubricating oil for a long time.

Further, as shown in fig. 2, the outer wall of the oil storage box 9 is provided with an oil filling hole in a penetrating manner, the inner thread of the oil filling hole is connected with a blocking plug 11, the oil filling hole is arranged to facilitate the user to fill oil into the oil storage box 9, and noise generated by friction between the rotating shaft 3 and the connecting ring 4 is continuously reduced.

Further, as shown in fig. 2, the outer wall of the plugging plug 11 is fixedly connected with a connecting rope 10, the other end of the connecting rope 10 is fixedly connected with the lower end of the outer wall of the pump shell 1, and the connecting rope 10 can be used for establishing connection between the plugging plug 11 and the pump shell 1, so that the plugging plug 11 can be prevented from being lost.

Further, as shown in fig. 2, the plugging plug 11 is in a truncated cone shape, and the diameter of the tail end of the plugging plug 11 is small, so that a user can place the plugging plug in the oil filling hole more conveniently.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (7)

1. The utility model provides a multistage waterproof immersible pump of silence formula, includes pump case (1), and rotor (2) are installed in the inside rotation of pump case (1), and the upper end of pump case (1) has pump machine main part, its characterized in that: the bottom fixedly connected with rotation axis (3) of rotor (2), the bottom inner wall of pump case (1) and rotation axis (3) correspond the position fixed mounting have go-between (4), and lubrication chamber (8) have been seted up to the inside of go-between (4), and lubrication chamber (8) are close to one side outer wall of rotation axis (3) and have run through and have been seted up a plurality of mounting holes, and ball (7) are installed in the inside rotation of mounting hole, and lubricating oil has been poured into to the inside of lubrication chamber (8).

2. A mute multistage waterproof submersible pump according to claim 1, characterized in that: the inside of the lubricating cavity (8) is filled with a sponge (5).

3. A mute multistage waterproof submersible pump according to claim 2, characterized in that: the bottom of sponge (5) fixedly connected with oil absorption cotton (6), the bottom fixed mounting of pump case (1) has oil storage box (9), and the intercommunication groove has been run through to the bottom of pump case (1), and the inside intercommunication setting of intercommunication groove and lubricated chamber (8), and the end of oil absorption cotton (6) runs through in through intercommunication groove extends to oil storage box (9).

4. A mute multistage waterproof submersible pump according to claim 3, wherein: the lower end of the oil absorbing cotton (6) is contacted with the inner wall of the bottom of the oil storage box (9).

5. The mute multistage waterproof submersible pump according to claim 4, wherein: the outer wall of the oil storage box (9) is provided with an oil filling hole in a penetrating mode, and the inner thread of the oil filling hole is connected with a plugging plug (11).

6. The mute multistage waterproof submersible pump according to claim 5, wherein: the outer wall of the plugging plug (11) is fixedly connected with a connecting rope (10), and the other end of the connecting rope (10) is fixedly connected with the lower end of the outer wall of the pump shell (1).

7. The mute multistage waterproof submersible pump according to claim 5, wherein: the plugging plug (11) is arranged in a truncated cone shape.