CN210164684U - Sealing device for pipeline pump - Google Patents
Sealing device for pipeline pump Download PDFInfo
- Publication number
- CN210164684U CN210164684U CN201920644297.3U CN201920644297U CN210164684U CN 210164684 U CN210164684 U CN 210164684U CN 201920644297 U CN201920644297 U CN 201920644297U CN 210164684 U CN210164684 U CN 210164684U
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- sealing device
- sealing
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- pump body
- recess
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Abstract
The utility model discloses a sealing device for pipeline pump, comprising a base plate, be equipped with the pump body above the bottom plate, be equipped with recess one above the pump body, be equipped with the motor in the recess one, the transmission shaft other end connection of motor is equipped with the axle, the axle is stretched into one of pump body main part space and is served and connect and be equipped with the impeller, the motor is located the fixed mounting panel that is equipped with on the circumference lateral surface in recess one, the mounting panel is connected with recess one through the bolt, be equipped with sealing layer one between mounting panel and the recess one, the upper end of the pump body is inside and be located axle department and be equipped with the cavity, be equipped with sealing device in the cavity, be equipped with supplementary sealing device on the side of cavity upper end, be. The utility model has the advantages that: the novel pipeline sealing device has the advantages of simple structure, low abrasion, long-time replacement, good sealing performance at the joint of the pipeline sealing device and an external pipeline and the like.
Description
Technical Field
The utility model relates to a tubing pump technical field specifically indicates a sealing device for tubing pump.
Background
The pipeline pump is a single-suction single-stage or multi-stage centrifugal pump, belongs to a vertical structure, and is named as a pipeline pump or a booster pump because the inlet and the outlet of the pipeline pump are on the same straight line, and the calibers of the inlet and the outlet are the same, so that the pipeline pump is similar to a section of pipeline and can be arranged at any position of the pipeline. The sealing performance of the pipeline pump in use is important.
The existing sealing device for the pipeline pump is basically that a rotating shaft at the connection position of a motor is provided with a sealing ring, the sealing mode is quick in abrasion, and the sealing device is troublesome to replace after being abraded, wastes time and labor; when the existing water inlet and the existing water outlet are connected with an external pipeline, the flat ports are basically connected through bolts, no other sealing structure exists, and the water leakage phenomenon can occur after the water inlet and the water outlet are used for a period of time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve foretell various problems, provide a simple structure, wearing and tearing slower, can change after longer time, with the sealed better sealing device for pump pipeline of external pipe connection department.
In order to solve the technical problem, the utility model provides a technical scheme does: a sealing device for a pipeline pump comprises a bottom plate, wherein a pump body is arranged on the bottom plate, a first groove is formed in the pump body, a motor is arranged in the first groove, the other end of a transmission shaft of the motor is connected with a first shaft, one end of the shaft extending into a main body space of the pump body is connected with an impeller, a mounting plate is fixedly arranged on the outer side surface of the circumference of the motor in the first groove, the mounting plate is connected with the first groove through a bolt, a first sealing layer is arranged between the mounting plate and the first groove, a cavity is formed in the upper end of the pump body and positioned at the shaft, a sealing device is arranged in the cavity, an auxiliary sealing device is arranged on the side surface of the upper end of the cavity, a water inlet and a water outlet are formed in the pump body, sealing structures are arranged at the joints of the water inlet, the water outlet and an external pipeline, the sealing device comprises a movable ring, the movable ring between and cup joint with epaxial spring that is equipped with, the lateral surface of movable ring on all be equipped with slope sealing ring one.
As an improvement, the auxiliary sealing device comprises a first annular groove arranged on the side face of the upper end of the cavity, a hydraulic device is arranged on the outer side face of the pump body opposite to the first annular groove and located at a corresponding position of the first annular groove, and arc-shaped sealing rings matched with the first inclined sealing rings at the upper end of the cavity are arranged at the other ends of the hydraulic device extending into the first annular groove.
As an improvement, the lower end edge of the cavity is provided with a second inclined sealing ring matched with the first inclined sealing ring at the lower end of the cavity.
As an improvement, the sealing structure comprises two annular grooves formed in the end faces of the water inlet and the water outlet, and annular guide rails matched with the two annular grooves are arranged on the end faces of the external pipelines.
As an improvement, a sealing ring is arranged in the second annular groove.
Compared with the prior art, the utility model the advantage lie in: when the utility model is used, the first sealing layer can be used for sealing the gap between the mounting plate and the first groove; the first sealing device can be used for sealing between the shaft and the pump body, and the sealing effect is good; the auxiliary sealing device can enable the arc-shaped sealing ring and the inclined sealing ring to be always attached to each other through pushing of the hydraulic device when the inclined sealing ring at the upper end of the cavity is abraded, so that the service life of the first sealing device can be prolonged, the first sealing device does not need to be replaced all the time, and time and labor are saved; the arrangement of the sealing structure can seal the water inlet, the water outlet and the external pipeline, and the water-proof water-saving water dispenser can be used for a long time without water leakage.
Drawings
Fig. 1 is a schematic structural view of the sealing device for a pipeline pump of the present invention.
Fig. 2 is a schematic diagram of a partially enlarged structure at a position a of the sealing device for a pipeline pump according to the present invention.
Fig. 3 is a schematic diagram of a local enlarged structure at a position B of the sealing device for a pipeline pump according to the present invention.
As shown in the figure: 1. a base plate; 2. a pump body; 3. a first groove; 4. a motor; 5. a shaft; 6. an impeller; 7. mounting a plate; 8. a first sealing layer; 9. a cavity; 10. a water inlet; 11. a water outlet; 12. a moving ring; 13. a spring; 14. inclining the first sealing ring; 15. a first annular groove; 16. a hydraulic device; 17. an arc-shaped sealing ring; 18. inclining a second sealing ring; 19. a second annular groove; 20. an annular guide rail; 21. and (4) a sealing ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached drawings 1, 2 and 3, the sealing device for the pipeline pump comprises a bottom plate 1, a pump body 2 is arranged on the bottom plate 1, a first groove 3 is formed in the pump body 2, a motor 4 is arranged in the first groove 3, a shaft 5 is connected to the other end of a transmission shaft of the motor 4, the shaft 5 extends into one end of a main body space of the pump body 2 and is connected with an impeller 6, a mounting plate 7 is fixedly arranged on the outer side surface of the circumference of the motor 4 in the first groove 3, the mounting plate 7 is connected with the first groove 3 through a bolt, a first sealing layer 8 is arranged between the mounting plate 7 and the first groove 3, a cavity 9 is formed in the position, located on the shaft 5, of the upper end of the pump body 2, a sealing device is arranged in the cavity 9, an auxiliary sealing device is arranged on the side surface of the upper end of the cavity 9, a water inlet 10 and a water, the water inlet 10, the water outlet 11 and the external pipeline are all provided with a sealing structure, the sealing device comprises movable rings 12 which are arranged at the upper end and the lower end of the cavity 9 and are sleeved on the shaft 5, springs 13 are arranged between the movable rings 12 and on the shaft 5 in a sleeved mode, and the outer side faces of the movable rings 12 are all provided with a first inclined sealing ring 14.
The auxiliary sealing device comprises a first annular groove 15 arranged on the side face of the upper end of the cavity 9, a hydraulic device 16 is arranged on the outer side face of the pump body 2 opposite to the first annular groove 15 and located at the position corresponding to the first annular groove 15, and an arc-shaped sealing ring 17 matched with a first inclined sealing ring 14 arranged at the upper end of the cavity 9 is arranged at the other end of the hydraulic device 16 extending into the first annular groove 15.
And a second inclined sealing ring 18 matched with the first inclined sealing ring 14 at the lower end of the cavity 9 is arranged at the lower end edge of the cavity 9.
The sealing structure comprises a water inlet 10 and a water outlet 11, wherein the end faces of the water inlet and the water outlet are respectively provided with a second annular groove 19, and the end face of the external pipeline is provided with an annular guide rail 20 matched with the second annular groove 19.
A sealing ring 21 is arranged in the second annular groove 19.
The utility model discloses a concrete implementation mode: when the utility model is used, the arrangement of the first sealing layer 8 can be used for sealing the gap between the mounting plate 7 and the first groove 3; the first sealing device can be used for sealing between the shaft 5 and the pump body 2, and the sealing effect is good; the auxiliary sealing device can enable the arc-shaped sealing ring 17 to be always attached to the inclined sealing ring I14 through pushing of the hydraulic device 16 when the inclined sealing ring I14 at the upper end of the cavity 9 is abraded, so that the service life of the sealing device I can be prolonged, the sealing device I does not need to be replaced all the time, and time and labor are saved; the arrangement of the sealing structure can seal the water inlet 10, the water outlet 11 and the external pipeline, and even if the annular guide rail 20 is arranged in the second annular groove 19, the water-proof and water-proof structure can be used for a long time.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. The utility model provides a sealing device for pipeline pump, includes bottom plate (1), bottom plate (1) above be equipped with pump body (2), its characterized in that: the pump body (2) above be equipped with recess (3), recess (3) in be equipped with motor (4), the transmission shaft other end connection of motor (4) be equipped with axle (5), axle (5) stretch into one of pump body (2) main body space and serve and connect and be equipped with impeller (6), motor (4) be located the fixed mounting panel (7) that is equipped with on the circumference lateral surface in recess (3), mounting panel (7) be connected with recess (3) through the bolt, mounting panel (7) and recess (3) between be equipped with sealing layer (8), the upper end inside of pump body (2) and be located axle (5) department and be equipped with cavity (9), cavity (9) in be equipped with sealing device, cavity (9) upper end side on be equipped with supplementary sealing device, pump body (2) on be equipped with water inlet (10) and delivery port (11), the sealing device comprises a water inlet (10), a water outlet (11) and an external pipeline, wherein sealing structures are arranged at the joints of the water inlet (10), the water outlet (11) and the external pipeline, a sealing device comprises a movable ring (12) which is arranged at the upper end and the lower end of a cavity (9) and is sleeved on a shaft (5), a spring (13) is arranged between the movable ring (12) and is sleeved on the shaft (5), and a first inclined sealing ring (14) is arranged on the outer side surface of the movable ring (12).
2. The sealing device for a pipe pump according to claim 1, wherein: the auxiliary sealing device comprises a first annular groove (15) arranged on the side face of the upper end of the cavity (9), a hydraulic device (16) is arranged on the outer side face relative to the pump body (2) and is located at the position corresponding to the first annular groove (15), and the other end of the hydraulic device (16) extending into the first annular groove (15) is provided with a sealed arc-shaped sealing ring (17) matched with a first inclined sealing ring (14) at the upper end of the cavity (9).
3. The sealing device for a pipe pump according to claim 1, wherein: and a second inclined sealing ring (18) matched with the first inclined sealing ring (14) at the lower end of the cavity (9) is arranged at the edge of the lower end of the cavity (9).
4. The sealing device for a pipe pump according to claim 1, wherein: the sealing structure comprises two annular grooves (19) formed in the end faces of the water inlet (10) and the water outlet (11), and annular guide rails (20) matched with the two annular grooves (19) are arranged on the end faces of the external pipelines.
5. The sealing device for a pipe pump according to claim 4, wherein: and a sealing ring (21) is arranged in the second annular groove (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920644297.3U CN210164684U (en) | 2019-05-07 | 2019-05-07 | Sealing device for pipeline pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920644297.3U CN210164684U (en) | 2019-05-07 | 2019-05-07 | Sealing device for pipeline pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210164684U true CN210164684U (en) | 2020-03-20 |
Family
ID=69791275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920644297.3U Expired - Fee Related CN210164684U (en) | 2019-05-07 | 2019-05-07 | Sealing device for pipeline pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210164684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283116A (en) * | 2020-10-30 | 2021-01-29 | 天长市龙源泵阀有限公司 | Prevent leaking corrosion resistant chemical pump |
-
2019
- 2019-05-07 CN CN201920644297.3U patent/CN210164684U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283116A (en) * | 2020-10-30 | 2021-01-29 | 天长市龙源泵阀有限公司 | Prevent leaking corrosion resistant chemical pump |
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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 |
Granted publication date: 20200320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |