CN209976871U - Sealing structure of cast iron submerged pump - Google Patents
Sealing structure of cast iron submerged pump Download PDFInfo
- Publication number
- CN209976871U CN209976871U CN201920463672.4U CN201920463672U CN209976871U CN 209976871 U CN209976871 U CN 209976871U CN 201920463672 U CN201920463672 U CN 201920463672U CN 209976871 U CN209976871 U CN 209976871U
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- fixedly connected
- pump
- shaft
- shell
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Abstract
The utility model discloses a cast iron submerged pump seal structure, which comprises a pump body, the pump body includes drain pipe, pump shaft, motor, shaft coupling and shell, the outer wall welded fastening of shell has the mounting panel, bolt fixedly connected with motor is passed through at the top of shell, the inside of shell is equipped with shaft coupling and pump shaft, the riser passes through bolt fixed connection on the fixing base. The device has strengthened the sealed effect of shaft coupling and pump shaft junction through the rubber seal cover, through the riser, the backup plate, the baffle, the clamp plate packs, the mating reaction of guard plate and bottom plate, and the sealed elastic action that fills up of rubber, make the more firm compressing tightly of sealed packing layer on axle sleeve and pump shaft, and be favorable to prolonging the life of sealed packing layer, simultaneously through the combined action of sealed packing layer and the sealed pad of rubber, further strengthened the leakproofness between bearing box and the pump shaft, thereby be favorable to increasing the life of submerged pump.
Description
Technical Field
The utility model belongs to the technical field of submerged pump equipment, concretely relates to cast iron submerged pump seal structure.
Background
The submerged pump is mainly used for pumping a plurality of corrosive media such as conveyer belt particles, high viscosity, strong acid, alkali, salt, strong oxidant and the like, and a shell, an outlet pipe and an overflowing part of the submerged pump are all made of corrosion-resistant materials; the motor part is placed on the liquid level in the working process of the submerged pump, and the pump part is placed below the liquid level; the cast iron submerged pump is a pump body for conveying cast iron liquid, an effective sealing structure is not arranged on the upper portion of a pump shaft and a coupling portion of an existing submerged pump, leakage is prone to occurring on the portion of the pump shaft after the pump shaft is used for a long time, electrical elements of the pump body are directly damaged, and therefore the problem needs to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cast iron submerged pump seal structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a sealing structure of a cast iron submerged pump comprises a pump body, wherein the pump body comprises a liquid outlet pipe, a pump shaft, a motor, a coupler and a shell, a mounting plate is fixedly welded on the outer wall of the shell, the upper part of the liquid outlet pipe is sleeved and fixed on the mounting plate, the top of the shell is fixedly connected with the motor through a bolt, the inside of the shell is provided with the coupler and the pump shaft, one end of the coupler is fixedly connected with the motor, the other end of the coupler is fixedly connected with the pump shaft, a bearing box is fixedly connected between the inner walls of the upper part of the shell, the inside of the bearing box is fixedly connected with a fixed seat, the middle part of the fixed seat is fixedly connected with the coupler through a bearing, a rubber sealing sleeve is fixedly sleeved on the joint of the coupler and the pump shaft, the pump shaft is provided with a shaft sleeve, the bottom of fixing base compresses tightly is provided with the backup plate, the upper portion fixedly connected with baffle of backup plate, threaded connection has fastening bolt on the backup plate, threaded connection has the packing clamp plate on fastening bolt's the tip, be equipped with the sealed packing layer between packing clamp plate, guard plate and the baffle, pass through fixing bolt fixedly connected with riser on the upper end outer wall of backup plate, the riser passes through bolt fixed connection on the fixing base.
Limiting plate and bush are passed through in this setting, the hookup location to the shaft coupling is consolidated, the leakproofness is good, the sealed effect of shaft coupling and pump shaft junction has been strengthened through the rubber seal cover, through the riser, the backup plate, the baffle, the clamp plate packs, the mating reaction of guard plate and bottom plate, and the sealed elastic action that fills up of rubber, make the more firm compressing tightly of sealing packing layer on axle sleeve and pump shaft, and be favorable to prolonging the life of sealing packing layer, simultaneously through the combined action of sealing packing layer and the sealed pad of rubber, further strengthened the leakproofness between bearing box and the pump shaft, thereby be favorable to increasing the life of submerged pump.
Preferably, be equipped with the bush on the axial region of shaft coupling, fixedly connected with limiting plate on the inner wall of the fixing base that the bush outer wall corresponds, limiting plate and bush sliding connection.
This is provided with and does benefit to the steadiness that improves shaft coupling connection structure to be convenient for seal protection to the shaft coupling through the bush.
Preferably, the bottom plate is fixedly connected to the inner bottom of the bearing box, and the bottom plate is fixedly connected with the bottom of the backup plate through a rubber pad.
This setting is convenient for support tight fixed backup plate through the elastic action of rubber pad, improves connection structure's stability to be favorable to strengthening the sealed effect of bearing box bottom.
Preferably, the upper end and the lower end of the packing press plate are respectively in sliding connection with the baffle plate and the bottom plate, and the sealing packing layer is located among the baffle plate, the protection plate, the packing press plate, the bottom plate and the shaft sleeve.
The arrangement improves the stability of the connecting structure of the packing pressing plate, the baffle and the bottom plate, and is convenient for more stably compressing and sealing the packing layer; the sealing effect between the pump shaft and the bearing box is greatly enhanced.
Preferably, a spring is arranged between the fastening bolt and the backup plate.
The elastic action of the spring is utilized to facilitate the packing pressing plate to tightly press the sealing packing layer.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the bearing housing of the present invention;
fig. 3 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.
In the figure: 1. a pump body; 2. a liquid outlet pipe; 3. a housing; 4. mounting a plate; 5. a pump shaft; 6. a motor; 7. a coupling; 8. a shaft sleeve; 9. a bearing housing; 10. a fixed seat; 11. a bearing; 12. a bushing; 13. a limiting plate; 14. a rubber sealing sleeve; 15. a rubber gasket; 16. a protection plate; 17. a backup plate; 18. a baffle plate; 19. fastening a bolt; 20. a spring; 21. a packing press plate; 22. sealing the packing layer; 23. a base plate; 24. a rubber pad; 25. a vertical plate; 26. and (5) fixing the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.
As shown in fig. 1-3, a sealing structure of a cast iron submerged pump comprises a pump body 1, wherein the pump body 1 comprises a liquid outlet pipe 2, a pump shaft 5, a motor 6, a coupler 7 and a housing 3, a mounting plate 4 is welded and fixed on the outer wall of the housing 3, the upper portion of the liquid outlet pipe 2 is sleeved and fixed on the mounting plate 4, the top of the housing 3 is fixedly connected with the motor 6 through bolts, the inside of the housing 3 is provided with the coupler 7 and the pump shaft 5, one end of the coupler 7 is fixedly connected with the motor 6, the other end of the coupler 7 is fixedly connected with the pump shaft 5, a bearing box 9 is fixedly connected between the inner walls of the upper portion of the housing 3, the inside of the bearing box 9 is fixedly connected with a fixed seat 10, the middle portion of the fixed seat 10 is fixedly connected with the coupler 7 through a bearing 11, a rubber sealing sleeve 14, the pump shaft is characterized in that a shaft sleeve 8 is arranged on the pump shaft 5, a rubber sealing gasket 15 is fixedly connected to the outer wall of the shaft sleeve 8, a protection plate 16 is fixedly connected to the rubber sealing gasket 15, a backup plate 17 is arranged at the bottom of the fixing seat 10 in a compressed mode, a baffle 18 is fixedly connected to the upper portion of the backup plate 17, a fastening bolt 19 is connected to the backup plate 17 in a threaded mode, a packing pressing plate 21 is connected to the end portion of the fastening bolt 19 in a threaded mode, a sealing packing layer 22 is arranged among the packing pressing plate 21, the protection plate 16 and the baffle 18, a vertical plate 25 is fixedly connected to the outer wall of the upper end of the backup plate 17 through a fixing bolt 26.
A bush 12 is arranged on the shaft part of the coupler 7, a limiting plate 13 is fixedly connected to the inner wall of the fixed seat 10 corresponding to the outer wall of the bush 12, and the limiting plate 13 is connected with the bush 12 in a sliding mode; the stability of the connecting structure of the coupler 7 is improved, and the coupler 7 is protected in a sealing mode through the bushing 12.
A bottom plate 23 is fixedly connected to the inner bottom of the bearing box 9, and the bottom plate 23 is fixedly connected with the bottom of the backup plate 17 through a rubber pad 24; the elastic action of the rubber pad 24 is convenient for abutting against the fixed backup plate 17, the stability of the connecting structure is improved, and the sealing effect at the bottom of the bearing box 9 is enhanced.
The upper end and the lower end of the packing press plate 21 are respectively connected with the baffle plate 18 and the bottom plate 23 in a sliding manner, and the sealing packing layer 22 is positioned among the baffle plate 18, the protection plate 16, the packing press plate 21, the bottom plate 23 and the shaft sleeve 8; the stability of the connecting structure of the packing pressing plate 21, the baffle plate 18 and the bottom plate 23 is improved, and the packing layer 22 is more stably compressed and sealed; the sealing effect between the pump shaft 5 and the bearing box 9 is greatly enhanced.
A spring 20 is arranged between the fastening bolt 19 and the backup plate 17; the elastic action of the spring 20 facilitates the packing press plate 21 to press the sealing packing layer 22 more tightly.
Specifically, during the use, sealing packing layer 22 is the expanded graphite material, through limiting plate 13 and bush 12, the hookup location to shaft coupling 7 consolidates, the leakproofness is good, the sealed effect of shaft coupling 7 with pump shaft 5 junction has been strengthened through rubber seal cover 14, through riser 25, backup plate 17, baffle 18, packing clamp plate 21, the mating reaction of guard plate 16 and bottom plate 23, and the elastic action of rubber seal pad 15, make more firm the compressing tightly of sealing packing layer 22 on axle sleeve 8 and pump shaft 5, and be favorable to prolonging sealing packing layer 22's life, simultaneously through sealing packing layer 22 and the combined action of rubber seal pad 15, further strengthened the leakproofness between bearing box 9 and the pump shaft 5, thereby be favorable to increasing the life of submerged pump.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a cast iron submerged pump seal structure, includes the pump body (1), its characterized in that: the pump body (1) comprises a liquid outlet pipe (2), a pump shaft (5), a motor (6), a coupler (7) and a shell (3), wherein a mounting plate (4) is fixed on the outer wall of the shell (3) in a welding manner, the upper portion of the liquid outlet pipe (2) is sleeved and fixed on the mounting plate (4), the motor (6) is fixedly connected to the top of the shell (3) through bolts, the coupler (7) and the pump shaft (5) are arranged inside the shell (3), one end of the coupler (7) is fixedly connected with the motor (6), the other end of the coupler (7) is fixedly connected with the pump shaft (5), a bearing box (9) is fixedly connected between the inner walls of the upper portion of the shell (3), a fixing seat (10) is fixedly connected inside the bearing box (9), and the middle portion of the fixing seat (10) is fixedly connected with the coupler (7) through a bearing (11, a rubber sealing sleeve (14) is fixedly sleeved on the joint of the coupling (7) and the pump shaft (5), a shaft sleeve (8) is arranged on the pump shaft (5), a rubber sealing gasket (15) is fixedly connected on the outer wall of the shaft sleeve (8), a protection plate (16) is fixedly connected to the rubber sealing gasket (15), a backup plate (17) is tightly pressed at the bottom of the fixed seat (10), the upper part of the backup plate (17) is fixedly connected with a baffle plate (18), the backup plate (17) is in threaded connection with a fastening bolt (19), the end part of the fastening bolt (19) is connected with a packing press plate (21) through screw threads, a sealing filler layer (22) is arranged among the filler pressing plate (21), the protective plate (16) and the baffle plate (18), the outer wall of the upper end of the backup plate (17) is fixedly connected with a vertical plate (25) through a fixing bolt (26), the vertical plate (25) is fixedly connected to the fixed seat (10) through a bolt.
2. The cast iron submerged pump sealing structure according to claim 1, characterized in that: be equipped with bush (12) on the axial region of shaft coupling (7), fixedly connected with limiting plate (13) on the inner wall of fixing base (10) that bush (12) outer wall corresponds, limiting plate (13) and bush (12) sliding connection.
3. The cast iron submerged pump sealing structure according to claim 1, characterized in that: the inner bottom of the bearing box (9) is fixedly connected with a bottom plate (23), and the bottom plate (23) is fixedly connected with the bottom of the backup plate (17) through a rubber pad (24).
4. The cast iron submerged pump sealing structure according to claim 1, characterized in that: the upper end and the lower end of the packing pressing plate (21) are respectively in sliding connection with the baffle plate (18) and the bottom plate (23), and the sealing packing layer (22) is located among the baffle plate (18), the protection plate (16), the packing pressing plate (21), the bottom plate (23) and the shaft sleeve (8).
5. The cast iron submerged pump sealing structure according to claim 1, characterized in that: and a spring (20) is arranged between the fastening bolt (19) and the backup plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920463672.4U CN209976871U (en) | 2019-04-08 | 2019-04-08 | Sealing structure of cast iron submerged pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920463672.4U CN209976871U (en) | 2019-04-08 | 2019-04-08 | Sealing structure of cast iron submerged pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209976871U true CN209976871U (en) | 2020-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920463672.4U Expired - Fee Related CN209976871U (en) | 2019-04-08 | 2019-04-08 | Sealing structure of cast iron submerged pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209976871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392725A (en) * | 2020-11-18 | 2021-02-23 | 安徽名杰磁业科技有限公司 | Compressor rotor sealing structure and rotor assembly thereof |
-
2019
- 2019-04-08 CN CN201920463672.4U patent/CN209976871U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392725A (en) * | 2020-11-18 | 2021-02-23 | 安徽名杰磁业科技有限公司 | Compressor rotor sealing structure and rotor assembly thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 |