CN218207520U - Prevent stealthily dirty pump bolster bearing housing rotating-structure - Google Patents
Prevent stealthily dirty pump bolster bearing housing rotating-structure Download PDFInfo
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- CN218207520U CN218207520U CN202222142003.1U CN202222142003U CN218207520U CN 218207520 U CN218207520 U CN 218207520U CN 202222142003 U CN202222142003 U CN 202222142003U CN 218207520 U CN218207520 U CN 218207520U
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- top cover
- bearing seat
- seat
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Abstract
The application discloses a structure for preventing a bearing seat on a submersible sewage pump from rotating, which relates to the technical field of submersible sewage pumps and comprises a seat body, wherein a mounting cavity is communicated with the seat body, the seat body is provided with a top cover, the top cover is abutted against the seat body, the top cover is provided with a fixing bolt, and the top cover is fixed on the seat body through the fixing bolt and covers the mounting cavity; the top cover and the seat body are coaxially provided with a mounting ring groove, the seat body is provided with an upper bearing seat, the upper bearing seat is positioned at the cavity opening of the mounting cavity and tightly abuts against the bottom of the mounting ring groove, the upper bearing seat is coaxially provided with a first bearing, the side wall of the mounting ring groove is provided with a sealing ring groove, the sealing ring groove is provided with a sealing ring, and the sealing ring tightly abuts against the outer wall of the upper bearing seat. The pedestal supports tightly when the top cap is fixed, and the sealing washer receives extrusion deformation and supports tight bolster bearing housing this moment in order fixed bolster bearing housing, compares and compresses tightly bolster bearing housing through the top cap, and the conflict of top cap and pedestal is more inseparable, has reduced paint spraying not in place and the skinning that produces among the follow-up operation and has come off, causes the condition of top cap and pedestal corrosion of intaking, has improved the life of pump.
Description
Technical Field
The application relates to the field of submersible sewage pump technology, more specifically, it relates to a structure for preventing bearing pedestal rotating on submersible sewage pump.
Background
The traditional submersible sewage pump comprises a base body, wherein the base body is provided with an upper bearing seat, one end, close to the base body, of the upper bearing seat abuts against the base body, the base body is further provided with a top cover, the top cover is fixed on the base body through bolts, one end, close to the base body, of the top cover is provided with a mounting ring groove, and the mounting ring groove abuts against the upper bearing seat. The upper bearing seat is in interference fit with the seat body in the radial direction, the upper bearing seat is in clearance fit with the top cover in the radial direction, and the upper bearing seat is axially compressed by the top cover, so that a gap exists between the contact surface of the top cover and the seat body, paint spraying at the gap is not in place, paint at the gap is prone to peeling and falling off in the use process of the pump, and the top cover and the seat body are corroded due to water inflow and need to be improved.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that there is the clearance in top cap and the contact surface of seat body, this application provides one kind and prevents stealthily dirty pump bolster bearing housing rotating-structure.
The application provides a prevent stealthily dirty pump bolster bearing housing rotating-structure adopts following technical scheme:
a structure for preventing a bearing seat of a submersible sewage pump from rotating comprises a seat body, wherein a mounting cavity is arranged through the seat body, the seat body is provided with a top cover, the top cover abuts against the seat body, the top cover is provided with a fixing bolt, and the top cover is fixed on the seat body through the fixing bolt and covers the mounting cavity; the top cover and the seat body are coaxially provided with an installation ring groove, the seat body is provided with an upper bearing seat, the upper bearing seat is positioned at the cavity opening of the installation cavity and abuts against the bottom of the installation ring groove, the upper bearing seat is coaxially provided with a first bearing, the side wall of the installation ring groove is provided with a sealing ring groove, the sealing ring groove is provided with a sealing ring, and the sealing ring abuts against the outer wall of the upper bearing seat.
Through above-mentioned technical scheme, set up sealed annular groove and sealing washer, support tight pedestal when the top cap is fixed, the sealing washer receives extrusion deformation and supports tight bolster bearing housing this moment in order fixed bolster bearing housing, compares and compresses tightly bolster bearing housing through the top cap, and the conflict of top cap and pedestal is more inseparable, has reduced in the follow-up operation paint spraying not in place and the skinning that produces drops, causes the condition of top cap and pedestal corrosion of intaking.
Further, the top cap is provided with a limiting part, and the limiting part is used for limiting the rotation of the fixing bolt.
Through above-mentioned technical scheme, set up the locating part, reduced in the use because fixing bolt rotates and cause top cap and seat contact surface to appear the space to cause the circumstances of top cap and seat corrosion of intaking.
Furthermore, the limiting part is a spring washer, one end of the washer abuts against the lower end face of the head of the fixing bolt, and the other end of the washer abuts against the outer wall of the top cover.
Through above-mentioned technical scheme, the spring washer can play locking, increases the function of pretightning force, has less the unexpected circumstances of rotating of fixing bolt.
Further, the fixing bolts are arranged along the circumferential direction of the top cover in a plurality.
Through above-mentioned technical scheme, set up a plurality of fixing bolt and carry out the fixed of top cap for it is more firm to fix, has promoted holistic stability.
Furthermore, the top cap is provided with an inclined surface, and the inclined surface is positioned at one end of the top cap, which is far away from the seat body.
Through above-mentioned technical scheme, set up the inclined plane for the one end and the excessive more level and smooth of lateral wall that the pedestal was kept away from to the top cap reduces the unexpected circumstances that strikes and cause the damage to the staff.
Furthermore, one end of the bearing close to the top cover is provided with an anti-loosening element, and one end of the anti-loosening element abuts against the bearing and the other end of the anti-loosening element abuts against the upper bearing seat.
Through above-mentioned technical scheme, locking piece is used for slowing down the impact of bearing and bearing frame for holistic operation is more stable.
Further, the anti-loosening element is a wave washer.
Through the technical scheme, the wave washer pre-loads axial load to the bearing, so that the rigidity of the bearing is improved, and the bearing is prevented from slipping; while also preventing axial displacement.
Further, the fixing bolt is a hexagon head bolt.
Through above-mentioned technical scheme, the hexagon head bolt has six stress surfaces for the word screw and the cross screw of two faces only, can bear bigger load, and for outer hexagon's screw, interior hexagonal is fit for more assembly occasions, especially narrow occasion, and assembly and debugging are all more convenient.
In summary, the present application includes at least one of the following beneficial technical effects:
(1) By arranging the sealing ring groove and the sealing ring, the top cover is tightly abutted to the base body when being fixed, and the sealing ring is extruded and deformed and tightly abutted to the upper bearing seat to fix the upper bearing seat;
(2) The axial load is pre-applied to the bearing through the wave washer, so that the rigidity of the bearing is improved, and the bearing is prevented from slipping; meanwhile, the axial displacement can be prevented;
(3) The hexagon head bolt has six stress surfaces relative to the straight screw and the cross screw with two surfaces, can bear larger load, and is suitable for more assembly occasions, particularly narrow occasions, and the assembly and debugging are more convenient relative to the outer hexagon screw.
Drawings
Fig. 1 is an overall schematic view of the embodiment.
Reference numerals are as follows: 1. a base body; 2. a mounting cavity; 3. a top cover; 4. fixing the bolt; 5. a limiting member; 6. an inclined surface; 7. mounting a ring groove; 8. an upper bearing seat; 9. a first bearing; 10. sealing the ring groove; 11. a seal ring; 12. an anti-loosening element.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses prevent stealthily dirty pump bolster bearing housing rotating-structure.
Example (b):
referring to fig. 1, a prevent stealthily dirty pump bolster bearing housing rotating-structure, including pedestal 1, pedestal 1 has been link up installation cavity 2, and pedestal 1 is equipped with top cap 3, and top cap 3 is equipped with fixing bolt 4, and top cap 3 is fixed in pedestal 1 and covers through fixing bolt 4 and closes installation cavity 2, and in the in-service use, fixing bolt 4 is equipped with a plurality ofly along top cap 3 circumference, and fixing bolt 4 is the hexagon head bolt. The hexagon head bolt is suitable for narrow occasions and more applicable to more assembly occasions compared with an outer hexagon screw, and the hexagon head bolt is provided with six stress surfaces and can bear larger load compared with a straight screw and a cross screw which only have two surfaces.
The top cover 3 is provided with a limiting piece 5, and the limiting piece 5 is used for limiting the rotation of the fixing bolt 4. The limiting part 5 is a spring washer, one end of the spring washer abuts against the lower end face of the head of the fixing bolt 4, and the other end of the spring washer abuts against the outer wall of the top cover 3. The limiting part 5 has the functions of preventing looseness and increasing pretightening force, and reduces the phenomenon that the contact surface of the top cover 3 and the seat body 1 is in clearance due to the rotation of the fixing bolt 4 in the use process and the water inlet corrosion of the top cover 3 and the seat body 1 is caused. In practical use, the limiting member 5 may also be a stop washer. Top cap 3 is equipped with inclined plane 6, and inclined plane 6 is located top cap 3 and keeps away from the one end of pedestal 1 and is located top cap 3 periphery, and inclined plane 6 extends towards the direction of keeping away from self axis along the direction that is close to pedestal 1, and inclined plane 6 is used for reducing the unexpected circumstances that strikes and cause the damage to the staff.
The top cover 3 and the seat body 1 are coaxially provided with a mounting ring groove 7, the seat body 1 is provided with an upper bearing seat 8, the upper bearing seat 8 is positioned at the opening of the mounting cavity 2 and abuts against the bottom of the mounting ring groove 7, a first bearing 9 is coaxially mounted on the upper bearing seat 8, the side wall of the mounting ring groove 7 is provided with a sealing ring groove 10, the sealing ring groove 10 is provided with a sealing ring 11, the sealing ring 11 abuts against the outer wall of the upper bearing seat 8, one end, close to the top cover 3, of the first bearing 9 is provided with an anti-loosening element 12, and one end of the anti-loosening element 12 abuts against the other end of the bearing and abuts against the upper bearing seat 8. In the actual user, the locking member 12 may be a wave washer or a lock washer. Support tight pedestal 1 when top cap 3 is fixed, sealing washer 11 receives extrusion deformation and supports tight bolster bearing housing 8 with fixed bolster bearing housing 8 this moment, compares and compresses tightly bolster bearing housing 8 through top cap 3, and top cap 3 is inseparabler with the conflict of pedestal 1, has reduced in the follow-up operation paint spraying not in place and the peeling that produces drops and the condition of the corrosion of intaking of top cap 3 and pedestal 1 that causes.
The working principle of the embodiment is as follows:
the top cover 3 is fixed on the base body 1 through the bolts, the sealing ring 11 is extruded and deformed to tightly abut against the upper bearing seat 8 to fix the upper bearing seat 8 along with the tight abutment of the top cover 3 on the base body 1 during fixation, the top cover 3 is tightly attached to the base body 1, the situation that the top cover 3 and the base body 1 are corroded due to peeling caused by the fact that paint is not sprayed in place in subsequent operation is reduced, the service life of the pump is prolonged, and the economic loss of users is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a prevent stealthily dirty pump bolster bearing housing rotating-structure, includes pedestal (1), its characterized in that: the mounting cavity (2) penetrates through the base body (1), the base body (1) is provided with a top cover (3), the top cover (3) is tightly abutted to the base body (1), the top cover (3) is provided with a fixing bolt (4), and the top cover (3) is fixed on the base body (1) through the fixing bolt (4) and covers the mounting cavity (2); the utility model discloses a bearing, including top cap (3) and pedestal (1), pedestal (1) has been seted up to installation annular (7) with the coaxial, pedestal (8) are equipped with bolster bearing housing (8), bolster bearing housing (8) are located installation cavity (2) accent and support tight installation annular (7) tank bottom, bolster bearing housing (8) coaxial arrangement has bearing (9), installation annular (7) lateral wall is equipped with sealed annular (10), sealed annular (10) are equipped with sealing washer (11), sealing washer (11) support tight bolster bearing housing (8) outer wall.
2. The structure for preventing the bearing seat on the submersible sewage pump from rotating as claimed in claim 1, wherein: the top cover (3) is provided with a limiting part (5), and the limiting part (5) is used for limiting the rotation of the fixing bolt (4).
3. The structure for preventing the bearing seat on the submersible sewage pump from rotating as claimed in claim 2, wherein: the limiting part (5) is a spring washer, one end of the washer tightly abuts against the lower end face of the head of the fixing bolt (4), and the other end of the washer tightly abuts against the outer wall of the top cover (3).
4. The structure for preventing the bearing seat on the submersible sewage pump from rotating as claimed in claim 1, wherein: the fixing bolts (4) are arranged along the circumferential direction of the top cover (3).
5. The structure for preventing the bearing seat on the submersible sewage pump from rotating as claimed in claim 1, wherein: the top cover (3) is provided with an inclined surface (6), and the inclined surface (6) is positioned at one end, far away from the seat body (1), of the top cover (3).
6. The structure for preventing the bearing seat on the submersible sewage pump from rotating as claimed in claim 1, wherein: one end of the first bearing (9) close to the top cover (3) is provided with an anti-loosening piece (12), one end of the anti-loosening piece (12) abuts against the bearing, and the other end of the anti-loosening piece abuts against the upper bearing seat (8).
7. The structure for preventing the bearing seat on the submersible sewage pump from rotating as claimed in claim 6, wherein: the anti-loosening element (12) is a wave washer.
8. The structure for preventing the bearing seat on the submersible sewage pump from rotating as claimed in claim 1, characterized in that: the fixing bolt (4) is a hexagon head bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222142003.1U CN218207520U (en) | 2022-08-15 | 2022-08-15 | Prevent stealthily dirty pump bolster bearing housing rotating-structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222142003.1U CN218207520U (en) | 2022-08-15 | 2022-08-15 | Prevent stealthily dirty pump bolster bearing housing rotating-structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218207520U true CN218207520U (en) | 2023-01-03 |
Family
ID=84656288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222142003.1U Active CN218207520U (en) | 2022-08-15 | 2022-08-15 | Prevent stealthily dirty pump bolster bearing housing rotating-structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218207520U (en) |
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2022
- 2022-08-15 CN CN202222142003.1U patent/CN218207520U/en active Active
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