CN214837327U

CN214837327U - Sealing assembly of submersible pump

Info

Publication number: CN214837327U
Application number: CN202121010563.0U
Authority: CN
Inventors: 陈平
Original assignee: Lvmei Pump Industry Co Ltd
Current assignee: Lvmei Pump Industry Co Ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-11-23
Anticipated expiration: 2031-05-12

Abstract

The utility model relates to the technical field of submersible pumps, and discloses a sealing assembly of a submersible pump, which solves the problems that the submersible pump in the current market is started in the water state, the sealing performance of the submersible pump is difficult to meet the requirement, the electric leakage phenomenon is likely to occur, dust falls into between parts, the traditional submersible pump is inconvenient to protect a transmission part, the transmission part can be slowly corroded by seawater in the deep sea environment, and the maintenance cost is increased, the submersible pump comprises a connecting seat, a movable shaft is sleeved in the inner part of the connecting seat, a movable rod is fixedly sleeved in the inner part of the movable shaft, a fixing bolt is sleeved on the outer thread of the movable rod, a first sealing assembly is fixedly connected to the top of the connecting seat, a second sealing assembly is movably installed at the top of the first sealing assembly, the utility model has good sealing effect, and can seal and isolate the inner part of the submersible pump, can protect the transmission part of the submersible pump.

Description

Sealing assembly of submersible pump

Technical Field

The utility model belongs to the technical field of the immersible pump, specifically be a seal assembly of immersible pump.

Background

The submersible pump is an important device for pumping water from a deep well, when in use, the whole unit is submerged to work, underground water is pumped to the ground surface, the unit is domestic water, mine emergency treatment, industrial cooling, farmland irrigation, seawater lifting, ship load adjustment and can also be used for fountain landscape, the development and use requirements of the water pump are combined with technological progress, the water pump is widely developed, the submersible pump can be divided into a submersible pump for a well, a submersible pump for an operation surface, a submersible sewage pump, a sand discharge submersible pump, a vertical pump for a mine and the like, after the pump is started, an impeller rotates at high speed, liquid in the impeller rotates along with a blade, the impeller is ejected outwards under the centrifugal action, the speed of the ejected liquid is gradually reduced in a diffusion chamber of a pump shell, the pressure is gradually increased, then the liquid flows out of the pump outlet and a discharge pipe, and a vacuum low-pressure area without air and liquid is formed at the center of the blade because the liquid is thrown to the periphery, the liquid in the liquid pool flows into the pump through the suction pipe under the action of the atmospheric pressure of the pool surface, and the liquid is continuously sucked from the liquid pool and continuously flows out from the discharge pipe.

However, the submersible pump in the current market is started in a water state, the sealing performance of the submersible pump is difficult to meet the requirements, and the electric leakage phenomenon may occur, so that the service life of the submersible pump is shortened, the parts are not installed in place, dust falls between the parts, and the sealing performance of the whole sealing assembly is affected; and traditional immersible pump is not convenient for protect the driving medium, and the driving medium can slowly be corroded by the sea water in the deep sea environment, has increased cost of maintenance, may influence the transmission of immersible pump even, for this reason, we provide a seal assembly of immersible pump.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a seal assembly of immersible pump, the effectual immersible pump of having solved on the existing market starts under having the water condition, and its sealing performance is difficult to accomplish the conformity requirement, and electric leakage phenomenon can appear, leads to falling into the dust between part and the part, and traditional immersible pump is not convenient for protect the driving part, and the driving part can slowly be corroded by the sea water in the deep sea environment, has increased cost of maintenance's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a sealing assembly of a submersible pump comprises a connecting seat, wherein a movable shaft is movably sleeved in the connecting seat, a movable rod is fixedly sleeved in the movable shaft, a fixing bolt is sleeved on the outer portion of the movable rod in a threaded manner, a first sealing assembly is fixedly connected to the top of the connecting seat, a second sealing assembly is movably mounted on the top of the first sealing assembly, and a rotating shaft is movably sleeved on the top of the second sealing assembly;

the utility model discloses a bearing, including axis of rotation, the outside movable mounting of axis of rotation has a connecting rod, the top fixedly connected with connecting bolt of a connecting rod, the outside movable mounting of connecting bolt has No. two connecting rods, the top movable mounting of No. two connecting rods has antifriction bearing, antifriction bearing's top movable mounting has the connecting piece, the bottom fixedly connected with stopper of connecting piece, the inside activity of stopper has cup jointed spacing bolt.

Preferably, the first sealing assembly is matched with the second sealing assembly, and the bottom of the first sealing assembly is parallel to the top of the connecting seat.

Preferably, the outside of loose axle and the inside of fixing bolt are provided with external screw thread and internal thread respectively, and the external screw thread of loose axle and the internal thread looks adaptation of fixing bolt.

Preferably, the limiting ring is fixedly sleeved outside the first connecting rod, and the top of the limiting ring is parallel to the top of the inner cavity of the second sealing component.

Preferably, the bottom of the second connecting rod is provided with a movable groove, and the size of the movable groove is matched with that of the connecting bolt.

Preferably, the top and the bottom of the rolling bearing are respectively parallel to the bottom of the connecting piece and the top of the second connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1) during operation, the submersible pump is installed into the first sealing assembly and the second sealing assembly through the limiting ring, the first sealing assembly and the second sealing assembly, and the output end of the submersible pump and a gap between the second sealing assembly are blocked by the limiting ring, so that the submersible pump is in a sealed and isolated environment, the submersible pump is protected, and the phenomenon of electric leakage caused by internal water inflow is prevented;

2) through the connecting seat, the rotating shaft, the fixed bolt and the movable rod, before the submersible pump is installed, the first sealing assembly and the second sealing assembly are assembled, then the movable rod is rotated to enable the movable rod and the connecting seat to be in a vertical state, and then the fixed bolt is screwed down, so that the first sealing assembly and the second sealing assembly are fixed together, the installation is simple, and convenience is brought to installation and disassembly of the sealing assemblies;

3) the utility model discloses a marine transmission shaft, including a rotating shaft, a connecting rod, connecting bolt, No. two connecting rods and antifriction bearing, wear into No. two seal assembly and cover in the outside of axis of rotation earlier a connecting rod, the connecting bolt at a connecting rod top is aimed at the movable groove of seting up No. two connecting rod bottoms again, make a connecting rod and No. two connecting rods connect and fix together, the axis of rotation can rotate at antifriction bearing's inside, antifriction bearing can carry out spacing and reduce the frictional force between to the axis of rotation, do not hinder the transmission of axis of rotation, protect the driving part, avoided the driving part can slowly be corroded by the sea water in the deep sea environment, cost of maintenance's problem has been increased.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a side view of a seal assembly in the construction of the present invention;

in the figure: 1. a connecting seat; 2. a movable shaft; 3. fixing the bolt; 4. a movable rod; 5. a first seal assembly; 6. a second seal assembly; 7. a first connecting rod; 8. a limiting ring; 9. a connecting bolt; 10. a second connecting rod; 11. a rolling bearing; 12. a limiting block; 13. a connecting member; 14. a limit bolt; 15. and rotating the shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.

In the embodiment, as shown in fig. 1-3, the utility model comprises a connecting seat 1, a movable shaft 2 is sleeved in the connecting seat 1, a movable rod 4 is sleeved in the movable shaft 2, a fixing bolt 3 is sleeved on the outer thread of the movable rod 4, a first sealing component 5 is fixedly connected to the top of the connecting seat 1, a second sealing component 6 is movably mounted on the top of the first sealing component 5, and a rotating shaft 15 is sleeved on the top of the second sealing component 6;

connecting rod 7 is movably mounted to the outside of axis of rotation 15, connecting bolt 9 is fixedly connected with in the top of connecting rod 7, connecting bolt 9's outside movable mounting has connecting rod 10 No. two, and the top movable mounting of connecting rod 10 has antifriction bearing 11, and antifriction bearing 11's top movable mounting has connecting piece 13, and connecting piece 13's bottom fixedly connected with stopper 12, stopper 12's inside activity has cup jointed spacing bolt 14.

The first sealing assembly 5 is matched with the second sealing assembly 6, and the bottom of the first sealing assembly 5 is parallel to the top of the connecting seat 1; install the immersible pump into No. 5 seal assembly and No. two seal assembly 6 insidely, rethread activity pole 4 and fixing bolt 3 are fixed No. 5 seal assembly and No. two seal assembly 6, prevent that inside intaking from appearing electric leakage phenomenon.

Wherein, the outside of the movable shaft 2 and the inside of the fixed bolt 3 are respectively provided with an external thread and an internal thread, and the external thread of the movable shaft 2 is matched with the internal thread of the fixed bolt 3; before the submersible pump is installed, the first sealing assembly 5 and the second sealing assembly 6 are assembled, the movable rod 4 is rotated through the movable shaft 2, the movable rod 4 and the connecting seat 1 are in a vertical state, and then the fixing bolt 3 is screwed, so that the first sealing assembly 5 and the second sealing assembly 6 are fixed together, the installation is simple, and convenience is brought to installation and disassembly of the sealing assemblies.

Wherein, the outside of the first connecting rod 7 is fixedly sleeved with a limiting ring 8, and the top of the limiting ring 8 is parallel to the top of the inner cavity of the second sealing component 6; when the immersible pump was installed into in the seal assembly, reuse spacing ring 8 was stopped up the output of immersible pump with No. two seal assembly 6's gap to the environment that makes the immersible pump place in is sealed isolated, and then protects the immersible pump.

Wherein, the bottom of the second connecting rod 10 is provided with a movable groove, and the size of the movable groove is matched with the connecting bolt 9; wear into No. two seal assembly 6 and overlap in the outside of axis of rotation 15 earlier a connecting rod 7, the connecting bolt 9 at No. 7 tops of connecting rod is aimed at with the movable groove of seting up of No. two connecting rod 10 bottoms again, make a connecting rod 7 and No. two connecting rod 10 connect and be fixed together, axis of rotation 15 can rotate at antifriction bearing 11's inside, antifriction bearing 11 can carry out spacing and reduce the frictional force between to axis of rotation 15, do not hinder the transmission of axis of rotation 15, protect the driving part, avoided the driving part can slowly corrode by the sea water in the deep sea environment, cost of maintenance's problem has been increased.

The top and the bottom of the rolling bearing 11 are respectively arranged in parallel with the bottom of the connecting piece 13 and the top of the second connecting rod 10; the connecting piece 13 and the rolling bearing 11 are installed together, and then the limit bolt 14 is inserted into the limit block 12 and the connecting piece 13, so that the connecting piece 13 is fixed, and the problem that the transmission of the submersible pump is possibly influenced because the transmission piece is slowly corroded by seawater in a deep sea environment through the combined movement of the connecting piece 13 and other parts is avoided.

The working principle is as follows: when the submersible pump is installed in the first sealing assembly 5 and the second sealing assembly 6, the installation is simple, the sealing assembly is convenient to install and detach, when the submersible pump is installed in the first sealing assembly 5 and the second sealing assembly 6, the output end of the submersible pump and a gap between the second sealing assembly 6 are blocked by the limiting ring 8, so that the environment where the submersible pump is located is sealed and isolated, and the submersible pump is protected;

firstly, a first connecting rod 7 penetrates into a second sealing component 6 and is sleeved outside a rotating shaft 15, then a movable groove formed in the bottom of a second connecting rod 10 is aligned to a connecting bolt 9 at the top of the first connecting rod 7, the first connecting rod 7 and the second connecting rod 10 are connected and fixed together, the rotating shaft 15 can rotate inside a rolling bearing 11, the rolling bearing 11 can limit the rotating shaft 15 and reduce the friction force between the rotating shaft and the rolling bearing, the transmission of the rotating shaft 15 is not hindered, a transmission piece is protected, the problem that the transmission piece can be slowly corroded by seawater in a deep sea environment and the maintenance cost is increased is solved, the connecting piece 13 and the rolling bearing 11 are installed together, a limit bolt 14 is inserted into the limit block 12 and the connecting piece 13, the connecting piece 13 is fixed and can be combined with other parts through the connecting piece 13 to move, the transmission piece can be slowly corroded by seawater in the deep sea environment is avoided, which may affect the transmission of the submersible pump.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a seal assembly of immersible pump, includes connecting seat (1), its characterized in that: the movable shaft (2) is movably sleeved inside the connecting seat (1), the movable rod (4) is fixedly sleeved inside the movable shaft (2), the fixed bolt (3) is sleeved outside the movable rod (4), the first sealing assembly (5) is fixedly connected to the top of the connecting seat (1), the second sealing assembly (6) is movably mounted at the top of the first sealing assembly (5), and the rotating shaft (15) is movably sleeved at the top of the second sealing assembly (6);

the utility model discloses a bearing, including axis of rotation (15), the outside movable mounting of axis of rotation (15) has connecting rod (7), the top fixedly connected with connecting bolt (9) of connecting rod (7), the outside movable mounting of connecting bolt (9) has connecting rod (10) No. two, the top movable mounting of connecting rod (10) has antifriction bearing (11), the top movable mounting of antifriction bearing (11) has connecting piece (13), the bottom fixedly connected with stopper (12) of connecting piece (13), spacing bolt (14) have been cup jointed in the inside activity of stopper (12).

2. The seal assembly for a submersible pump of claim 1, wherein: a seal assembly (5) and No. two seal assembly (6) looks adaptation, and the bottom of a seal assembly (5) is parallel arrangement with the top of connecting seat (1).

3. The seal assembly for a submersible pump of claim 1, wherein: the external part of the movable shaft (2) and the internal part of the fixing bolt (3) are respectively provided with an external thread and an internal thread, and the external thread of the movable shaft (2) is matched with the internal thread of the fixing bolt (3).

4. The seal assembly for a submersible pump of claim 1, wherein: the outside fixed cover of a connecting rod (7) has connect spacing ring (8), and the top of spacing ring (8) is parallel arrangement with the top of No. two seal assembly (6) inner chambers.

5. The seal assembly for a submersible pump of claim 1, wherein: a movable groove is formed in the bottom of the second connecting rod (10), and the size of the movable groove is matched with that of the connecting bolt (9).

6. The seal assembly for a submersible pump of claim 1, wherein: the top and the bottom of the rolling bearing (11) are respectively parallel to the bottom of the connecting piece (13) and the top of the second connecting rod (10).