CN213775716U

CN213775716U - Water pump with good internal sealing and waterproof effects

Info

Publication number: CN213775716U
Application number: CN202022511615.4U
Authority: CN
Inventors: 韩元兴; 马军军
Original assignee: Nanjing Xinyan Environmental Protection Technology Co ltd
Current assignee: Nanjing Xinyan Environmental Protection Technology Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-23
Anticipated expiration: 2030-11-04

Abstract

The utility model provides a water pump that inside seal water-proof effects is good, includes the pump body, the top central position of the pump body is provided with the motor, the internal tooth shaft coupling is installed to the bottom of motor, the inside central position department sliding connection of internal tooth shaft coupling has the external tooth pivot, the one end of keeping away from the motor of external tooth pivot is provided with the upper seal circle, the bottom fixedly connected with sealing spring of upper seal circle, the one end fixedly connected with lower seal circle of upper seal circle is kept away from to sealing spring, through setting up multistage waterproof construction, the solution water pump that can be better reveals, practical two-way sealing device, and at the automatic compensation of sealing washer wearing and tearing back to strengthen inside seal effect, increased life.

Description

Water pump with good internal sealing and waterproof effects

Technical Field

The utility model relates to a technical field that the water pump was made specifically is a water pump that inside seal water-proof effects is good.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, mainly used to transport liquid including water, oil, etc. When the water pump works, the impeller rotates rapidly, the blades promote water to rotate rapidly, the rotating water flies away from the impeller under the action of centrifugal force, after the water in the pump is thrown out, the central part of the impeller forms a vacuum area, and the water in a water source is pressed into the water inlet pipe through the pipe network under the action of atmospheric pressure (or water pressure), so that continuous water pumping is realized.

The water pump usage is extensive, but all kinds of water pumps of current all have the problem of leakage, and what current water pump adopted is that single-stage sealing washer is sealed, after using a period, the sealing washer can be reduced by wearing and tearing to make the water pump leak. The inside multistage seal structure that does not set up of current water pump, after the sealing washer wearing and tearing, do not have other devices and can prevent that water liquid from revealing. And the existing sealing ring structure is worn quickly, and the automatic sealing compensation after the wear cannot be realized, so that the service life of the water pump is greatly shortened.

In order to solve the defects of the existing water pump, a novel water pump structure is developed and designed, a multi-stage protection structure is adopted, the problem of sealing of the water pump is effectively solved, the service life of the water pump is prolonged, and the using effect of the water pump is enhanced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a water pump that inside seal water-proof effects is good for current water pump that proposes in solving above-mentioned background art is inside not to set up multistage seal structure, after the sealing washer wearing and tearing, does not have other devices and can prevent that water liquid from revealing. And the existing sealing ring structure is fast in abrasion, and the automatic sealing compensation after abrasion cannot be realized, so that the service life of the water pump is greatly shortened.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water pump that inside seal water-proof effects is good, includes the pump body, the top central point of the pump body puts and is provided with the motor, the internal tooth shaft coupling is installed to the bottom of motor, sliding connection has the external tooth pivot in the inside central point department of position of internal tooth shaft coupling, the intermediate position of external tooth pivot rotates and is connected with thrust bearing one, the one end of keeping away from the motor of external tooth pivot is provided with the sealing washer, the bottom fixedly connected with sealing spring of going up the sealing washer, the one end fixedly connected with lower seal circle of upper seal circle is kept away from to sealing spring, the top fixed mounting that the motor was kept away from in the external tooth pivot has ball head connector, the inside central point of ball connector puts and is provided with the staff, the one side fixedly connected with flabellum of ball connector is kept away from to the staff.

Preferably, the bottom fixedly connected with motor mounting disc of motor, the inside of motor mounting disc evenly runs through and installs the screw thread round pin axle, the nut is installed on the top of screw thread round pin axle, the circumference surface of screw thread round pin axle is provided with supporting spring one, the bottom fixedly connected with pump body of supporting spring one.

Preferably, one side top intermediate position fixedly connected with water inlet of the pump body, one side bottom intermediate position fixedly connected with delivery port of water inlet is kept away from to the pump body, the buffering callus on the sole is evenly installed to the bottom of the pump body, the top central position department of the pump body runs through and installs the external tooth pivot.

Preferably, the inside bottom fixedly connected with of the pump body is dog down, the inside top fixedly connected with of the pump body is dog on, the inside top central point of the pump body is provided with sealed piece, the bottom fixed mounting of sealed piece has the connecting block.

Preferably, a screw is mounted at the top end of one side of the internal tooth coupling, and the circumferential wall of the inner bottom end of the internal tooth coupling is provided with internal teeth.

Preferably, an external tooth rotating shaft is connected to the inside of the internal tooth in a sliding mode, external teeth are arranged at the top end of the external tooth rotating shaft, and a conical surface is arranged at the middle position of the external tooth rotating shaft.

Preferably, one end of the inclined shaft close to the ball head connector is provided with a second thrust bearing, and the bottom end of the inclined shaft is provided with a second nut.

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

1. the utility model is provided with a multi-stage waterproof structure, which can better solve the leakage of the water pump;

2. the utility model is provided with the bidirectional sealing device, and the automatic compensation is carried out after the sealing ring is worn, thereby strengthening the internal sealing effect and prolonging the service life;

3. the utility model discloses changed traditional water absorption structure, reduced the pressure of inside rivers to connecting gap to it reveals to reduce water liquid.

Drawings

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

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

FIG. 3 is a schematic partial cross-sectional view of the present application;

fig. 4 is a partially enlarged schematic view of the present invention.

In the figure: 1-motor, 11-threaded pin shaft, 12-nut, 13-supporting spring I, 14-motor mounting disc, 2-pump body, 21-water outlet, 23-buffering foot pad, 24-water inlet, 25-upper block, 26-lower block, 27-sealing block, 28-connecting block, 3-internal tooth coupler, 31-external tooth rotating shaft, 32-screw, 33-internal tooth, 311-external tooth, 312-conical surface, 313-upper sealing ring, 314-sealing spring, 315-lower sealing ring, 34-thrust bearing I, 35-ball connector, 36-oblique shaft, 37-thrust bearing II, 38-fan blade and 39-nut II.

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 utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.

In the embodiment, referring to fig. 1-4, the present invention provides a water pump with good internal sealing and waterproof effects, which comprises a pump body 2, a motor 1 is arranged at the center of the top end of the pump body 2, an internal gear coupling 3 is arranged at the bottom of the motor 1, an external tooth rotating shaft 31 is connected to the inner central position of the internal tooth coupler 3 in a sliding manner, a first thrust bearing 34 is connected to the middle position of the external tooth rotating shaft 31 in a rotating manner, an upper sealing ring 313 is arranged at one end of the external tooth rotating shaft 31 far away from the motor 1, a sealing spring 314 is fixedly connected with the bottom end of the upper sealing ring 313, a lower sealing ring 315 is fixedly connected to one end of the sealing spring 314 far away from the upper sealing ring 313, a ball head connector 35 is fixedly mounted at the top end of the external tooth rotating shaft 31 far away from the motor 1, an inclined shaft 36 is arranged at the central position inside the ball head connector 35, and fan blades 38 are fixedly connected to one side of the inclined shaft 36 far away from the ball head connector 35;

referring to fig. 1, a motor mounting disc 14 is fixedly connected to the bottom end of a motor 1, a threaded pin 11 is uniformly installed inside the motor mounting disc 14 in a penetrating manner, a nut 12 is installed at the top end of the threaded pin 11, a first supporting spring 13 is arranged on the circumferential outer surface of the threaded pin 11, and a pump body 2 is fixedly connected to the bottom end of the first supporting spring 13; one side top intermediate position fixedly connected with water inlet 24 of the pump body 2, one side bottom intermediate position fixedly connected with delivery port 21 of water inlet 24 is kept away from to the pump body 2, buffering callus on the sole 23 is evenly installed to the bottom of the pump body 2, the top central position department of the pump body 2 runs through and installs external tooth pivot 31.

Referring to fig. 3-4, a lower stop 26 is fixedly connected to the inner bottom end of the pump body 2, an upper stop 25 is fixedly connected to the inner top end of the pump body 2, a sealing block 27 is disposed at the center of the inner top end of the pump body 2, and a connecting block 28 is fixedly mounted at the bottom end of the sealing block 27.

Referring to fig. 3-4, a screw 32 is mounted at the top end of one side of the internal tooth coupling 3, and an internal tooth 33 is arranged on the circumferential wall of the inner bottom end of the internal tooth coupling 3; an external tooth rotating shaft 31 is connected inside the internal tooth 33 in a sliding manner, external teeth 311 are arranged at the top end of the external tooth rotating shaft 31, and a conical surface 312 is arranged at the middle position of the external tooth rotating shaft 31; and a second thrust bearing 37 is arranged at one end of the inclined shaft 36 close to the ball joint connector 35, and a second nut 39 is arranged at the bottom end of the inclined shaft 36.

The working principle is as follows: firstly, the power supply of the motor is switched on to ensure that the motor can normally work, the motor drives the external tooth rotating shaft through the internal tooth shaft coupling, the external tooth rotating shaft drives the inclined shaft to rotate through the ball joint connector, thereby enabling the blades to rotate to generate force to convey liquid such as water to a high place from a low place, when the water pump works, the motor can generate strong vibration to damage a water pump part, thereby causing the water pump to lose efficacy, the utility model is provided with a damping structure, when the motor vibrates, the supporting spring absorbs the vibration to enable the motor to move up and down in a small amplitude, and because the tooth-shaped sliding connection device is arranged, the transmission of the motor can not be influenced, the utility model is provided with a bidirectional sealing device, when the sealing ring at the rotating shaft is worn, the sealing spring can bidirectionally compress the sealing ring, thereby achieving the effect of automatic compensation sealing, when the fan blade rotates under the driving of the motor, because the inclined shaft rotates obliquely, the fan blade generates downward pressure, the water in the pump is forced to flow downwards, so that the pressure of the water on the gap at the external tooth rotating shaft is reduced, and the water leakage is reduced.

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 water pump that inside seal water-proof effects is good, includes the pump body (2), its characterized in that: a motor (1) is arranged at the center of the top end of the pump body (2), an internal tooth shaft coupling (3) is arranged at the bottom of the motor (1), an external tooth rotating shaft (31) is connected to the central position inside the internal tooth coupler (3) in a sliding way, the middle position of the external tooth rotating shaft (31) is rotationally connected with a first thrust bearing (34), an upper sealing ring (313) is arranged at one end of the external tooth rotating shaft (31) far away from the motor (1), the bottom end of the upper sealing ring (313) is fixedly connected with a sealing spring (314), one end of the sealing spring (314) far away from the upper sealing ring (313) is fixedly connected with a lower sealing ring (315), the top end of the external tooth rotating shaft (31) far away from the motor (1) is fixedly provided with a ball head connector (35), an inclined shaft (36) is arranged at the center of the inner part of the ball head connector (35), one side of the inclined shaft (36) far away from the ball head connector (35) is fixedly connected with fan blades (38).

2. The water pump with good internal sealing and waterproof effects as claimed in claim 1, wherein: the bottom fixedly connected with motor mounting disc (14) of motor (1), the inside of motor mounting disc (14) evenly runs through and installs screw thread round pin axle (11), nut (12) are installed on the top of screw thread round pin axle (11), the circumference surface of screw thread round pin axle (11) is provided with supporting spring (13), the bottom fixedly connected with pump body (2) of supporting spring (13).

3. The water pump with good internal sealing and waterproof effects as claimed in claim 2, wherein: one side top intermediate position fixedly connected with water inlet (24) of the pump body (2), one side bottom intermediate position fixedly connected with delivery port (21) of water inlet (24) are kept away from in the pump body (2), buffering callus on the sole (23) are evenly installed to the bottom of the pump body (2), the top central position department of the pump body (2) runs through and installs external tooth pivot (31).

4. The water pump with good internal sealing and waterproof effects as claimed in claim 3, wherein: the pump body (2) inside bottom fixedly connected with lower dog (26), dog (25) are gone up to the inside top fixedly connected with of the pump body (2), the inside top central point of the pump body (2) puts and is provided with sealed piece (27), the bottom fixed mounting of sealed piece (27) has connecting block (28).

5. The water pump with good internal sealing and waterproof effects as claimed in claim 1, wherein: the top of one side of internal tooth shaft coupling (3) is installed screw (32), the inside bottom circumference wall of internal tooth shaft coupling (3) is provided with internal tooth (33).

6. The water pump with good internal sealing and waterproof effects as claimed in claim 5, wherein: the inside sliding connection of internal tooth (33) has external tooth pivot (31), the top of external tooth pivot (31) is provided with external tooth (311), the intermediate position of external tooth pivot (31) is provided with conical surface (312).

7. The water pump with good internal sealing and waterproof effects as claimed in claim 1, wherein: and a second thrust bearing (37) is installed at one end, close to the ball head connector (35), of the inclined shaft (36), and a second nut (39) is installed at the bottom end of the inclined shaft (36).