CN212003737U - Novel immersion type multi-stage pump water outlet section structure - Google Patents
Novel immersion type multi-stage pump water outlet section structure Download PDFInfo
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- CN212003737U CN212003737U CN202020501859.1U CN202020501859U CN212003737U CN 212003737 U CN212003737 U CN 212003737U CN 202020501859 U CN202020501859 U CN 202020501859U CN 212003737 U CN212003737 U CN 212003737U
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Abstract
The utility model relates to a novel immersion type multistage pump water outlet section structure, which comprises a water outlet section body, wherein the upper end of the water outlet section body is provided with a motor connecting end and is connected with a motor through the motor connecting end, the middle part of the water outlet section body is provided with a box body connecting end and is connected with a water tank through the box body connecting end, one side of the water outlet section body is provided with a water outlet, a flow channel is arranged in the water outlet section body, the flow channel extends from the bottom of the water outlet section body to the side part, the water outlet is communicated with the flow channel, the other side of the water outlet section body is provided with a backflow cavity and a process hole, a first sealing cavity is arranged below the backflow cavity, a second sealing cavity is arranged above the backflow cavity, the second sealing cavity is arranged between the; compared with the prior art, the utility model, it can make water spray on box and equipment to have solved that liquid pump mechanical seal damages to leak etc. makes equipment box surface ponding and security reduce the scheduling problem.
Description
[ technical field ]
The utility model belongs to the technical field of the centrifugal pump manufacturing technology and specifically relates to a novel multistage pump of immersion section of pumping structure.
[ background art ]
At present, traditional immersion water pump goes out the water section as the main core component of water pump, and it is mainly equipped with one mechanical seal chamber between play water cavity and pump shaft and is used for sealing, and general immersion multistage centrifugal pump installs at the water tank top usually, and water pump mechanical seal damages to leak etc. and can make water spray on box and equipment to make equipment box surface ponding and security reduce.
[ contents of utility model ]
The utility model aims at solving foretell not enough and provide a novel multistage pump of immersion section of pumping structure of draining, solved that the mechanical seal of liquid pump damages to leak etc. and can make water spray on box and equipment and make equipment box surface ponding and security reduce the scheduling problem.
The novel immersion type multi-stage pump water outlet section structure comprises a water outlet section body, wherein a motor connecting end 2 is arranged at the upper end of the water outlet section body and is connected with a motor through the motor connecting end 2, a box body connecting end 1 is arranged in the middle of the water outlet section body and is connected with a water tank through the box body connecting end 1, a water outlet 3 is formed in one side of the water outlet section body, a flow channel 4 is arranged in the water outlet section body, the flow channel 4 extends from the bottom of the water outlet section body to the side part, the water outlet 3 is communicated with the flow channel 4, a backflow cavity 7 and a process hole 8 are formed in the other side of the water outlet section body, a first sealing cavity 5 is arranged below the backflow cavity 7, a second sealing cavity 6 is arranged above the backflow cavity 7, the second sealing cavity 6 is arranged between the backflow cavity 7 and the process hole 8, and two seals are arranged between the first sealing cavity 5 and the, the backflow cavity 7 is used for backflow of liquid into the box body when the first sealing cavity 5 is failed and leaks water, and the second sealing cavity 6 is used for preventing the liquid from leaking to the outside of the box body equipment.
Further, the box body connecting end 1 is provided with a box body mounting hole, and the box body connecting end 1 is connected with the water tank through the box body mounting hole.
Furthermore, the bottom of the water outlet section body is provided with a threaded hole 9, the periphery of the bottom end of the water outlet section body is provided with a circle of annular groove 10, the water outlet section body is connected with a water inlet cavity of the multistage pump through the annular groove 10, and the water inlet cavity is assembled on the water outlet section body in a tensioning mode through a tensioning nut and the threaded hole 9 by a tensioning piece.
Furthermore, the middle part of the water outlet section body is provided with a shaft hole, and the backflow cavity 7 and the fabrication hole 8 both extend to the right side of the shaft hole from one side of the water outlet section body and are communicated with the shaft hole.
Furthermore, the right side of the water outlet section body extends upwards to form an extension section, and the water outlet 3 is arranged at the extension section.
Compared with the prior art, the utility model, through the two seals arranged at the water outlet section of the pump, and the backflow cavity arranged between the two seals, when the first mechanical seal is failed and leaks water, the liquid can flow back into the box body from the backflow cavity, the second seal can prevent the liquid from leaking to the outside of the box body equipment, and the pump shaft clamping groove is fixed through the fabrication hole, so that the pump assembly and maintenance are more convenient; this immersion type multistage pump section of pumping water novel structure, simple, reasonable in design can make practicality and security obtain very big improvement, has solved that the mechanical seal of liquid pump damages to leak etc. and can make water spray on box and equipment box surface ponding and security reduce the scheduling problem, is worth popularizing and applying.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1. the box body connecting end 2, the motor connecting end 3, the water outlet 4, the flow channel 5, the first sealing cavity 6, the second sealing cavity 7, the backflow cavity 8, the fabrication hole 9, the threaded hole 10 and the annular groove.
[ detailed description of the invention ]
The invention is further described below with reference to the accompanying drawings:
as shown in the attached figure 1, the utility model provides a novel immersion type multi-stage pump water outlet section structure, which comprises a water outlet section body, wherein the upper end of the water outlet section body is provided with a motor connecting end 2 and is connected with a motor through the motor connecting end 2, the middle part of the water outlet section body is provided with a box body connecting end 1 and is connected with a water tank through the box body connecting end 1, one side of the water outlet section body is provided with a water outlet 3, the water outlet section body is internally provided with a flow passage 4, the flow passage 4 extends from the bottom of the water outlet section body to the side part, the water outlet 3 is communicated with the flow passage 4, the other side of the water outlet section body is provided with a backflow cavity 7 and a process hole 8, a first sealing cavity 5 is arranged below the backflow cavity 7, a second sealing cavity 6 is arranged above the backflow cavity 7, the second sealing cavity 6 is arranged between the, the backflow cavity 7 is used for backflow of liquid into the tank body when the first sealed cavity 5 fails and leaks water, and the second sealed cavity 6 is used for preventing liquid from leaking to the outside of the tank body equipment.
Wherein, the box body connecting end 1 is provided with a box body mounting hole, and the box body connecting end 1 is connected with the water tank through the box body mounting hole. The bottom of the water outlet section body is provided with a threaded hole 9, the periphery of the bottom end of the water outlet section body is provided with a circle of annular groove 10, the water outlet section body is connected with a water inlet cavity of the multi-stage pump through the annular groove 10, and the water inlet cavity is tightly assembled on the water outlet section body through a tensioning piece through a tensioning nut and the threaded hole 9. The shaft hole has been seted up at play water section body middle part, and backward flow chamber 7, fabrication hole 8 all extend to the shaft hole right side from a water section body one side, and all are linked together with the shaft hole, go out water section body right side and upwards extend and form the extension section, and delivery port 3 sets up in extension section department.
Novel multistage pump of immersion type section of pumping, its characteristics are that the section of pumping is equipped with twice sealed chamber, first sealed chamber 5 and second sealed chamber 6 promptly, two sealed chambers can with set up twice between the pump shaft sealed, and be equipped with the backward flow chamber between the twice sealed chamber, when first mechanical seal became invalid and leak water, liquid can be by the backward flow chamber reflux box in, the second is sealed can prevent liquid can not reveal to the box equipment outside to be equipped with the fabrication hole, the fixed pump shaft draw-in groove of accessible fabrication hole, it is more convenient to make pump assembly and maintenance. The immersion type multi-stage pump water outlet section is simple and novel in structure, capable of greatly improving the practicability and safety and worthy of popularization and application.
The present invention is not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and are all included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a novel multistage pump of immersion type section of pumping structure, includes out water section body, its characterized in that: go out water section body upper end and be provided with motor link (2) to be connected with the motor through motor link (2), it is equipped with box link (1) to go out water section body middle part, and be connected with the water tank through box link (1), it has seted up delivery port (3) to go out water section body one side, this internal runner (4) that is provided with of play water section, runner (4) extend to the lateral part from a water section body bottom, delivery port (3) are linked together with runner (4), it has seted up backward flow chamber (7), fabrication hole (8) to go out water section body opposite side, backward flow chamber (7) below is equipped with first sealed chamber (5), backward flow chamber (7) top is equipped with second sealed chamber (6), second sealed chamber (6) set up between backward flow chamber (7) and fabrication hole (8), first sealed chamber (5), The second sealing cavity (6) is used for being sealed with the pump shaft between two times, the backward flow chamber (7) is used for when first sealing cavity (5) became invalid and leaks during liquid backward flow box, second sealing cavity (6) are used for preventing liquid can not leak to the outside of box equipment.
2. The novel submersible multi-stage pump outlet section structure of claim 1, wherein: the water tank is characterized in that a tank body mounting hole is formed in the tank body connecting end (1), and the tank body connecting end (1) is connected with the water tank through the tank body mounting hole.
3. The novel submerged multi-stage pump outlet section structure of claim 1 or 2, wherein: the water outlet section is characterized in that a threaded hole (9) is formed in the bottom of the water outlet section body, a circle of annular groove (10) is formed in the periphery of the bottom end of the water outlet section body, the water outlet section body is connected with a water inlet cavity of the multi-stage pump through the annular groove (10), and the water inlet cavity is assembled on the water outlet section body in a tensioning mode through a tensioning nut and the threaded hole (9) by a tensioning piece.
4. The novel submersible multi-stage pump outlet section structure of claim 3, wherein: the water outlet section is characterized in that a shaft hole is formed in the middle of the water outlet section body, and the backflow cavity (7) and the process hole (8) extend to the right side of the shaft hole from one side of the water outlet section body and are communicated with the shaft hole.
5. The novel submersible multi-stage pump outlet section structure of claim 4, wherein: the right side of the water outlet section body extends upwards to form an extension section, and the water outlet (3) is arranged at the extension section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020501859.1U CN212003737U (en) | 2020-04-08 | 2020-04-08 | Novel immersion type multi-stage pump water outlet section structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020501859.1U CN212003737U (en) | 2020-04-08 | 2020-04-08 | Novel immersion type multi-stage pump water outlet section structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212003737U true CN212003737U (en) | 2020-11-24 |
Family
ID=73403949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020501859.1U Active CN212003737U (en) | 2020-04-08 | 2020-04-08 | Novel immersion type multi-stage pump water outlet section structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212003737U (en) |
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2020
- 2020-04-08 CN CN202020501859.1U patent/CN212003737U/en active Active
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