CN218376916U

CN218376916U - Marine horizontal centrifugal pump capable of automatically injecting water

Info

Publication number: CN218376916U
Application number: CN202222120779.3U
Authority: CN
Inventors: 孙登明
Original assignee: Taizhou Longhua Marine Equipment Co ltd
Current assignee: Taizhou Longhua Marine Equipment Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2023-01-24
Anticipated expiration: 2032-08-12

Abstract

The utility model discloses a marine horizontal centrifugal pump capable of automatically injecting water, which comprises a centrifugal pump structure and a water injection structure, wherein the centrifugal pump structure comprises a base, the top of the base is fixedly connected with a protective shell, the top of the base is provided with a motor, the motor is arranged in the protective shell, the top of the base is fixedly connected with a pump body, a turbine cavity is arranged in the pump body, the output end of the motor is fixedly connected with a pump shaft, the left end of the pump shaft is fixedly connected with an impeller, and the impeller is arranged in the turbine cavity; the water injection structure comprises a water outlet pipe communicated with the top of the pump body, the water outlet pipe is communicated with the inside of the turbine cavity, the top of the protective shell is fixedly connected with a water storage tank, a water injection pipe is communicated with the lower portion of the left side of the water storage tank, and the other end of the water injection pipe is inserted into the pump body and communicated with the water outlet pipe. The marine horizontal centrifugal pump capable of automatically injecting water has the advantage that water can be automatically injected into the centrifugal pump before starting.

Description

Marine horizontal centrifugal pump capable of automatically injecting water

Technical Field

The utility model relates to a centrifugal pump technical field specifically is a marine horizontal centrifugal pump that can automatic water injection.

Background

The centrifugal pump is a pump for conveying a liquid by centrifugal force generated when an impeller rotates. The pump mainly comprises an impeller, a pump body, a pump shaft, a bearing, a sealing ring, a stuffing box and the like. It is mainly characterized in that: compact structure, wide flow lift range, even flow, stable operation, small vibration, low maintenance and overhaul cost and the like.

Before the horizontal centrifugal pump is started, the centrifugal pump can be normally started to work only by manually filling water into the centrifugal pump, so that the workload is increased through manual water filling, the labor is wasted, and the use is not convenient enough; to the foregoing, the device of the present invention has the advantage of automatically injecting water into the centrifugal pump before starting.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a marine horizontal centrifugal pump that can automatic water injection possesses the advantage that can be automatic toward the inside water injection of centrifugal pump, has solved the problem that traditional centrifugal pump needs artifical water injection.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a marine horizontal centrifugal pump that can automatic water injection, includes centrifugal pump structure and water injection structure, the centrifugal pump structure is including the base, the top fixedly connected with protective housing of base, the motor has been installed at the top of base, the motor is inside the protective housing, the top fixedly connected with pump body of base, the turbine chamber has been seted up to the inside of the pump body, the output fixedly connected with pump shaft of motor, the left end fixedly connected with impeller of pump shaft, the impeller is inside the turbine chamber.

The water injection structure comprises a water outlet pipe communicated with the top of the pump body, the water outlet pipe is communicated with the inside of the turbine cavity, the top of the protective shell is fixedly connected with a water storage tank, a water injection pipe is communicated with the lower portion of the left side of the water storage tank, the other end of the water injection pipe is inserted into the pump body and communicated with the water outlet pipe, a water inlet pipe is communicated with the left side of the pump body, the water inlet pipe is communicated with the inside of the turbine cavity, and a sealing device is arranged inside the water outlet pipe and the water injection pipe.

Further, sealing device is including rotating the carousel of connecting in the pump body inside, the outlet pipe is alternated and sealed with the outlet pipe in the left side of carousel, the carousel is in the top of water injection pipe.

Further, the inside of the pump body rotates and is connected with the pivot, the carousel is passed through to the fixed interlude of pivot.

Further, the top fixedly connected with rotor motor of the pump body, rotor motor's output fixed connection is in the pivot.

Further, the lower extreme fixedly connected with ball sealer of pivot, ball sealer rotates and connects in the water injection intraduct.

Furthermore, the right side of the rotary table is provided with a first circulation hole, the first circulation hole connects the top and the bottom of the rotary table, the sealing ball is provided with a second circulation hole, and the left side and the right side of the sealing ball are connected and communicated through the second circulation hole.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this marine horizontal centrifugal pump that can automatic water injection impounds through the water storage box, and before will starting, the water of water storage box inside is automatic fills to pump body inside.

2. This can automatic marine horizontal centrifugal pump of water injection, when the pump body normally starts, the water of turbine intracavity portion flows back through the water injection pipe toward the water storage box is inside, saves once more, and the convenient next time is to the inside water injection of pump body to the purpose of automatic water injection before the realization starts.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

fig. 3 is a top view of the turntable of the present invention;

fig. 4 is a right side view of the sealing ball of the present invention.

In the figure: the device comprises a base 1, a protective shell 2, a motor 3, a water storage tank 4, a pump body 5, a water inlet pipe 6, a water outlet pipe 7, a turbine cavity 8, an impeller 9, a pump shaft 10, a water injection pipe 11, a rotor motor 12, a rotating disc 13, a circulation hole I14, a rotating shaft 15, a sealing ball 16 and a circulation hole II 17.

Detailed Description

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

Referring to fig. 1-4, the marine horizontal centrifugal pump capable of automatically injecting water in this embodiment includes a centrifugal pump structure and a water injection structure, the centrifugal pump structure includes a base 1, a protective casing 2 is fixedly connected to the top of the base 1, a motor 3 is installed at the top of the base 1, the motor 3 is inside the protective casing 2, a pump body 5 is fixedly connected to the top of the base 1, a turbine cavity 8 is installed inside the pump body 5, a pump shaft 10 is fixedly connected to an output end of the motor 3, an impeller 9 is fixedly connected to a left end of the pump shaft 10, and the impeller 9 is inside the turbine cavity 8.

The motor 3 is started, the motor 3 drives the impeller 9 to rotate, the impeller 9 rotates to suck external water into the turbine cavity 8 through the water inlet pipe 6, and then the water is thrown out through the water outlet pipe 7.

The water injection structure comprises a water outlet pipe 7 communicated with the top of a pump body 5, the water outlet pipe 7 is communicated with the interior of a turbine cavity 8, a water storage tank 4 fixedly connected with the top of a protective shell 2 is communicated with the interior of the turbine cavity 8, a water injection pipe 11 is communicated with the lower left side of the water storage tank 4, the other end of the water injection pipe 11 is inserted into the interior of the pump body 5 and communicated with the water outlet pipe 7, a water inlet pipe 6 is communicated with the left side of the pump body 5, the water inlet pipe 6 is communicated with the interior of the turbine cavity 8, a sealing device is arranged inside the water outlet pipe 7 and the water injection pipe 11 and comprises a rotary disc 13 which is rotatably connected with the interior of the pump body 5, the left side of the rotary disc 13 penetrates through the water outlet pipe 7 and seals the water outlet pipe 7, the rotary disc 13 is arranged above the water injection pipe 11, a rotary shaft 15 is rotatably connected with the interior of the pump body 5, the rotary disc 13 is fixedly inserted through the rotary shaft 15, a rotor motor 12 is fixedly connected with the top of the rotary shaft 15, a sealing ball 16 is fixedly connected with the lower end of the rotary shaft 15, a sealing ball 16 is rotatably connected with a sealing ball 16, a rotary disc 14 is arranged on the right side of the rotary disc 13, a circulation hole 17 and a left side of the circulation hole 17.

Firstly, water is stored in the water storage tank 4, when the centrifugal pump needs to be filled with water before starting, the upper end of the water outlet pipe 7 is sealed by the rotary disc 13 at the moment, the water injection pipe 11 is communicated by the second circulation hole 17, the water in the water storage tank 4 flows into the lower end in the water outlet pipe 7 through the water injection pipe 11 and then flows into the turbine cavity 8 through the water outlet pipe 7, so that the purpose of filling water into the pump body is achieved, then the centrifugal pump is started, the external water is sucked into the water inlet pipe 6 by the centrifugal pump and then discharged into the water outlet pipe 7, the water outlet pipe 7 is blocked and sealed by the rotary disc 13 at the moment, the water discharged from the turbine cavity 8 can only be injected into the water storage tank 4 through the water injection pipe 11 for storage, and the next water injection is convenient, when the inside sufficient water yield of storage of water storage box 4, start rotor motor 12 this moment, rotor motor 12 drives the rotation of pivot 15, the rotation of pivot 15 drives carousel 13 and ball sealer 16 simultaneously and rotates, when carousel 13 rotates to first circulation hole 14 and outlet pipe 7 and switches on mutually, circulation hole two 17 just rotates to the front and back both sides of ball sealer 16 this moment, the left and right sides of ball sealer 16 is sealed this moment, water injection pipe 11 is stopped up by ball sealer 16 and is sealed, the inside water of turbine chamber 8 can't pour into water storage box 4 inside through water injection pipe 11, the inside water of turbine chamber 8 can only pass through first circulation hole 14 this moment, finally discharge from the upper end of outlet pipe 7, finally realize centrifugal pump normal work.

The working principle of the embodiment is as follows:

starting the motor 3, the motor 3 drives the impeller 9 to rotate, the impeller 9 rotates to suck external water into the turbine cavity 8 through the water inlet pipe 6, and then the water is thrown out through the water outlet pipe 7.

Has the beneficial effects that:

1. this marine centrifugal pump of water injection automatically, through water storage tank 4 retaining, before will starting, the water of water storage tank 4 inside is automatic fills to pump body 5 is inside.

2. This marine horizontal centrifugal pump that can automatic water injection, when the pump body 5 normally starts, 8 inside water in turbine chamber flow back through water injection pipe 11 toward water storage box 4 is inside, saves once more, conveniently next time to the inside water injection of pump body 5 to the purpose of automatic water injection before the realization starts.

It should be noted that, in this document, relational terms such as first and second, and the like are 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. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

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 marine horizontal centrifugal pump that can automatic water injection, includes centrifugal pump structure and water injection structure, its characterized in that: the centrifugal pump structure comprises a base (1), a protective shell (2) is fixedly connected to the top of the base (1), a motor (3) is installed at the top of the base (1), the motor (3) is arranged inside the protective shell (2), a pump body (5) is fixedly connected to the top of the base (1), a turbine cavity (8) is formed inside the pump body (5), a pump shaft (10) is fixedly connected to the output end of the motor (3), an impeller (9) is fixedly connected to the left end of the pump shaft (10), and the impeller (9) is arranged inside the turbine cavity (8);

the water injection structure is including switch-on outlet pipe (7) at the pump body (5) top, outlet pipe (7) and turbine chamber (8) inner part switch-on, the top fixedly connected with water storage box (4) of protective housing (2), the left side below switch-on of water storage box (4) has water injection pipe (11), the other one end of water injection pipe (11) is pegged graft and is met the expert at pump body (5) inside and with outlet pipe (7), the left side switch-on of the pump body (5) has inlet tube (6), inlet tube (6) and turbine chamber (8) inner part switch-on, outlet pipe (7) and water injection pipe (11) inside have installed sealing device.

2. The marine horizontal centrifugal pump capable of automatically injecting water according to claim 1, wherein: sealing device is including rotating carousel (13) of connecting in pump body (5) inside, outlet pipe (7) and sealed with outlet pipe (7) are passed through in the left side of carousel (13), carousel (13) is in the top of water injection pipe (11).

3. The marine horizontal centrifugal pump capable of automatically filling water according to claim 2, characterized in that: the inside of the pump body (5) is rotatably connected with a rotating shaft (15), and the rotating shaft (15) fixedly penetrates through the rotating disc (13).

4. The marine horizontal centrifugal pump capable of automatically injecting water according to claim 3, wherein: the top fixedly connected with rotor motor (12) of pump body (5), the output fixed connection of rotor motor (12) is on pivot (15).

5. The marine horizontal centrifugal pump capable of automatically injecting water according to claim 4, wherein: the lower extreme fixedly connected with ball sealer (16) of pivot (15), ball sealer (16) rotate to be connected inside water injection pipe (11).

6. The marine horizontal centrifugal pump capable of automatically filling water according to claim 5, wherein: the right side of the rotary disc (13) is provided with a first circulation hole (14), the first circulation hole (14) connects the top and the bottom of the rotary disc (13), the sealing ball (16) is provided with a second circulation hole (17), and the left side and the right side of the sealing ball (16) are connected and communicated through the second circulation hole (17).