CN217380918U

CN217380918U - Mounting structure for bearing seat on submersible pump

Info

Publication number: CN217380918U
Application number: CN202220697140.9U
Authority: CN
Inventors: 章海平
Original assignee: Lewei Pump Co ltd
Current assignee: Lewei Pump Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-09-06
Anticipated expiration: 2032-03-28

Abstract

The utility model provides a bearing frame mounting structure on immersible pump belongs to water pump technical field. The upper bearing seat mounting structure of the submersible pump comprises a top cover and a machine barrel which are fixedly connected, the upper bearing seat comprises a main body which is annular and is arranged between the top cover and the machine barrel, the bottom wall of the main body is pressed on the machine barrel, the outer wall of the upper end of the main body is a first conical surface with the diameter gradually increasing downwards, a second conical surface matched with the first conical surface is arranged on the inner wall of the top cover, and the second conical surface is tightly pressed on the first conical surface. The mounting structure of the upper bearing seat of the submersible pump can improve the sealing effect between the upper bearing seat and the top cover.

Description

Mounting structure for bearing seat on submersible pump

Technical Field

The utility model belongs to the technical field of the water pump, a immersible pump, especially a bearing housing mounting structure on immersible pump is related to.

Background

The submersible pump is an important device for pumping water from deep wells and is divided into a vertical type and a horizontal type according to the arrangement mode.

One type of vertical submersible pump includes a pump body, a barrel disposed on the pump body, and a cap disposed on the barrel. Specifically, a rotating shaft is vertically arranged in the machine barrel, and the upper end and the lower end of the rotating shaft are respectively supported by an upper bearing seat and a lower bearing seat, wherein the lower bearing is fixed on the pump body, and the upper bearing seat is clamped between the top cover and the machine barrel.

In the actual product, the top cap is pressed on last bearing frame apex angle all around, is line contact between top cap and the bearing frame promptly, because the immersible pump motor operation can produce certain vibration, and this vibration transmission can make contact position have the relative movement trend to above-mentioned line contact position to along with time lapse, above-mentioned contact position takes place to wear and tear and leads to sealed the inefficacy, influences immersible pump work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having above-mentioned problem to current technique, provided a bearing housing mounting structure on immersible pump, the technical problem of solution is how to improve the sealed effect between bearing housing and the top cap.

The purpose of the utility model can be realized by the following technical proposal: the upper bearing seat mounting structure of the submersible pump comprises a top cover and a machine barrel which are fixedly connected, the upper bearing seat comprises a main body which is annular and is arranged between the top cover and the machine barrel, and the bottom wall of the main body is pressed on the machine barrel.

The top cover and the machine barrel are in surface contact through the matching of the first conical surface and the second conical surface, the axial contact area of the top cover and the machine barrel is greatly prolonged, the contact wear speed caused by motor vibration is effectively delayed, and the sealing effect between the upper bearing seat and the top cover is enhanced.

In the bearing seat mounting structure on the submersible pump, an annular closed cavity is formed among the top cover, the machine barrel and the outer wall of the main body, a rubber ring with the shape and the size matched with the closed cavity is fixed in the closed cavity, the closed cavity comprises two cavity side walls which are distributed along the radial direction of the main body, and the inner side wall and the outer side wall of the rubber ring are respectively pressed on the two cavity side walls. The rubber ring is wrapped outside the main body, so that a sealing path formed between the upper bearing seat and the top cover can be prolonged, the working vibration of a motor which is transmitted to the upper bearing seat can be buffered by the elasticity of the rubber ring, the contact wear of the first conical surface and the second conical surface is further delayed, and the sealing effect between the upper bearing seat and the top cover is further improved.

In the bearing seat mounting structure on the submersible pump, the rubber ring is fixedly connected with the main body, so that the rubber ring and the main body are connected into a whole, and the assembly is convenient.

In foretell immersible pump bolster bearing housing mounting structure, the rubber circle links firmly through unsmooth formula connection structure and main part to strengthen both joint strength, improve sealing performance.

As another scheme, in the above submersible pump upper bearing seat mounting structure, the rubber ring is fixedly bonded with the main body.

In foretell immersible pump bolster bearing housing mounting structure, concave-convex connection structure includes the ring channel of shaping on the main part lateral wall and the buckle of shaping on the rubber circle inside wall, and the buckle is the annular and matches with the ring channel, and the buckle inlay card has simple structure, simple to operate's advantage in the ring channel.

In the mounting structure of the bearing seat on the submersible pump, the axial sections of the annular groove and the annular buckle are in dovetail shapes matched with each other, so that the connection strength of the main body and the rubber ring is further enhanced.

As another scheme, in foretell immersible pump bolster bearing housing mounting structure, connection structure includes that set up the jack on the main part outer wall and the cylinder of shaping on rubber circle inner wall, and the jack has a plurality ofly and along main part circumference equipartition, and the same and position one-to-one correspondence of cylinder and jack quantity, the cylinder is inserted and is inlayed in corresponding jack.

In foretell immersible pump bolster bearing housing mounting structure, the shaping has the ring portion that matches with the barrel on the main part diapire, and the ring portion is pegged graft in the barrel upper end for the main part installation direction does benefit to the equipment.

In foretell immersible pump bolster bearing housing mounting structure, integrated into one piece has the holding ring coaxial with the barrel on the barrel roof, and forms foretell closed chamber between holding ring, top cap, barrel and the main part, and the bending type down of top cap diapire border becomes the guide ring that matches with the holding ring, and the holding ring cup joints outside the guide ring, leads the top cap installation, further makes things convenient for the equipment.

Compared with the prior art, this immersible pump bolster bearing housing mounting structure has following advantage:

1. the top cover and the machine barrel are in surface contact through the matching of the first conical surface and the second conical surface, the axial contact area of the top cover and the machine barrel is greatly prolonged, the contact wear speed caused by motor vibration is effectively delayed, and the sealing effect between the upper bearing seat and the top cover is enhanced.

2. The rubber ring is wrapped outside the main body, so that a sealing path formed between the upper bearing seat and the top cover can be prolonged, the working vibration of a motor which is transmitted to the upper bearing seat can be buffered by the elasticity of the rubber ring, the contact wear of the first conical surface and the second conical surface is further delayed, and the sealing effect between the upper bearing seat and the top cover is further improved.

Drawings

Fig. 1 is a schematic view of the structure of a submersible pump.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 2.

Fig. 4 is a schematic structural view of the rubber ring.

In the figure, 1, a cylinder; 1a, a positioning ring; 2. a top cover; 2a, a guide ring; 2b, a second conical surface; 3. a bolt; 4. an upper bearing seat; 4a, a main body; 4b, a ring portion; 4c, a first conical surface; 5. a closed cavity; 6. a rubber ring; 6a and a buckle.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figure 1, the mounting structure of the bearing seat on the submersible pump comprises a vertically arranged machine barrel 1 and a top cover 2 arranged on the machine barrel 1, wherein the top cover 2 is coaxially arranged with the machine barrel 1, and the top cover 2 and the machine barrel 1 are fixedly connected through a circle of bolts 3 uniformly distributed along the circumferential direction of the machine barrel 1.

In particular, the present invention relates to a method for producing,

the lower end of the top cover 2 is formed with an annular upper flange, the upper end of the machine barrel 1 is formed with an annular lower flange, and the upper flange and the lower flange are fixedly connected through the plurality of bolts 3. Further, a positioning ring 1a coaxial with the machine barrel 1 is integrally formed on the top surface of the lower flange, through holes for bolts 3 to pass through are vertically penetrated through the positioning ring 1a, the number of the through holes is the same as that of the bolts 3, and the through holes are in one-to-one correspondence with the positions of the bolts 3; go up flange edge bending type down and become the guide ring 2a that matches with holding ring 1a, holding ring 1a cup joints outside guide ring 2a, leads the installation of top cap 2, convenient equipment.

As shown in fig. 2 and 3, the upper bearing housing 4 comprises a main body 4a which is annular and is located between the head 2 and the barrel 1, the main body 4a and the barrel 1 are coaxial, and the bottom wall of the main body 4a is pressed against the barrel 1. Further, a ring part 4b matched with the machine barrel 1 is formed on the bottom wall of the main body 4a, and the ring part 4b is inserted into the upper end of the machine barrel 1 and used for installing and guiding the main body 4a, so that the assembly is facilitated. The outer wall of the upper end of the main body 4a is a conical surface one 4c with the diameter gradually increasing downwards, the inner wall of the top cover 2 is provided with a conical surface two 2b matched with the conical surface one 4c, namely, the diameter of the conical surface two 2b gradually increases downwards, and the conical surface two 2b is tightly pressed on the conical surface one 4c, so that the main body 4a is stably clamped and positioned between the top cover 2 and the machine barrel 1. The top cover 2 and the machine barrel 1 are in surface contact through the matching of the first conical surface 4c and the second conical surface 2b, the axial contact area of the top cover 2 and the machine barrel 1 is greatly prolonged, the contact wear speed caused by motor vibration is effectively delayed, and the sealing effect between the upper bearing seat 4 and the top cover 2 is enhanced.

Further, as shown in fig. 2, 3 and 4, a closed cavity 5 is formed among the positioning ring 1a, the top cover 2, the barrel 1 and the main body 4a, and the closed cavity 5 is annular and coaxial with the barrel 1. The closed cavity 5 comprises two cavity side walls distributed along the radial direction of the main body 4a, a rubber ring 6 with the shape and the size matched with the closed cavity 5 is fixed in the closed cavity 5, and the inner side wall and the outer side wall of the rubber ring 6 are respectively pressed on the two cavity side walls. The rubber ring 6 is wrapped outside the main body 4a, so that a sealing path formed between the upper bearing seat 4 and the top cover 2 can be prolonged, the working vibration of a motor at the upper bearing seat 4 can be buffered by the elasticity of the rubber ring 6, the contact abrasion between the conical surface I4 c and the conical surface II 2b is further delayed, and the sealing effect between the upper bearing seat 4 and the top cover 2 is further improved.

The preferable rubber ring 6 is fixedly connected with the main body 4a, so that the rubber ring and the main body are connected into a whole, and the assembly is convenient. In this embodiment, rubber circle 6 links firmly with main part 4a through unsmooth formula connection structure to strengthen both joint strength, improve sealing performance. Specifically, the male-female connection structure comprises an annular groove formed on the outer side wall of the main body 4a and a buckle 6a formed on the inner side wall of the rubber ring 6, wherein the buckle 6a is annular and matched with the annular groove, and the buckle 6a is clamped and embedded in the annular groove. The axial cross-sections of the annular groove and the annular buckle 6a are preferably in a mutually matched dovetail shape to further enhance the connection strength of the main body 4a and the rubber ring 6.

Example two

The structure and principle of the second embodiment are basically the same as those of the first embodiment, and different points are as follows: the rubber ring 6 is fixedly connected with the main body 4a in an adhesion mode.

EXAMPLE III

The structure and principle of the third embodiment are basically the same as those of the first embodiment, and different points are as follows: connection structure is including offering jack and the cylinder of shaping on 6 inner walls of rubber ring on the outer wall of main part 4a, and the jack has a plurality ofly and follows main part 4a circumference equipartition, and cylinder and jack quantity are the same and the position one-to-one, and the cylinder inlays in corresponding jack.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. Immersible pump bolster bearing housing mounting structure, including top cap (2) and barrel (1) that link firmly mutually, bolster bearing housing (4) are including being annular and being in main part (4a) between top cap (2) and barrel (1), main part (4a) diapire is pressed on barrel (1), its characterized in that, main part (4a) upper end outer wall is diameter one (4c) that gradually becomes big downwards, have conical surface two (2b) that match with conical surface one (4c) on top cap (2) inner wall, and conical surface two (2b) sticiss on conical surface one (4 c).

2. The mounting structure of the bearing seat on the submersible pump according to claim 1, wherein an annular closed cavity (5) is formed among the top cap (2), the machine barrel (1) and the outer wall of the main body (4a), a rubber ring (6) with the shape and the size matched with the closed cavity (5) is fixed in the closed cavity (5), the closed cavity (5) comprises two cavity side walls distributed along the radial direction of the main body (4a), and the inner side wall and the outer side wall of the rubber ring (6) are respectively pressed on the two cavity side walls.

3. The bearing housing mounting structure on a submersible pump according to claim 2, characterized in that the rubber ring (6) is fixedly connected with the main body (4 a).

4. The bearing seat mounting structure on the submersible pump according to claim 3, wherein the rubber ring (6) is fixedly connected with the main body (4a) through a male-female connection structure.

5. The bearing housing mounting structure on a submersible pump according to claim 3, characterized in that the rubber ring (6) is adhesively secured to the main body (4 a).

6. The upper bearing seat mounting structure of the submersible pump according to claim 1, wherein the male-female connection structure comprises an annular groove formed on the outer side wall of the main body (4a) and a buckle (6a) formed on the inner side wall of the rubber ring (6), the buckle (6a) is annular and matched with the annular groove, and the buckle (6a) is embedded in the annular groove.

7. The bearing housing mounting structure on a submersible pump according to claim 6, characterized in that the axial cross-sections of the annular groove and the annular snap (6a) are dove-tail shapes matching each other.

8. The mounting structure of the bearing seat on the submersible pump according to claim 1, wherein the connecting structure comprises a plurality of jacks formed in the outer wall of the main body (4a) and a plurality of cylinders formed in the inner wall of the rubber ring (6), the jacks are uniformly distributed along the circumference of the main body (4a), the cylinders and the jacks are equal in number and correspond to each other in position one by one, and the cylinders are inserted into the corresponding jacks.

9. The bearing seat mounting structure on the submersible pump according to claim 1, characterized in that the main body (4a) has a ring part (4b) formed on the bottom wall thereof to match with the cylinder (1), and the ring part (4b) is inserted into the upper end of the cylinder (1).

10. The mounting structure of the bearing seat on the submersible pump according to claim 2, wherein a positioning ring (1a) coaxial with the cylinder (1) is integrally formed on the top wall of the cylinder (1), the closed cavity (5) is formed among the positioning ring (1a), the top cover (2), the cylinder (1) and the main body (4a), the edge of the bottom wall of the top cover (2) is bent downwards to form a guide ring (2a) matched with the positioning ring (1a), and the positioning ring (1a) is sleeved outside the guide ring (2 a).