CN209370094U - Coupling structure between pump body and motor - Google Patents

Abstract

The utility model discloses the coupling structures between a kind of pump body and motor, it is relatively poor to solve existing open coupling structure compactedness, introduced contaminants easily corrode and influence the service life of motor to motor power output shaft, a kind of technical solution taken: the coupling structure between pump body and motor, for realizing being connected and fixed between the pump housing and motor, including connected body, it is characterized in that, connected body is blocks, the open-work that power supply power output shaft passes through is equipped in connected body, connected body is used to be wrapped in the periphery of motor power output shaft, one end of connected body is connected with the pump housing, the other end of connected body and the machine barrel of motor are connected.

Description

Coupling structure between pump body and motor

Technical field

The utility model relates to a kind of water pumps, are connected more particularly to one kind for realizing between pump body and motor Coupling structure.

Background technique

The structure of water pump includes the pump housing, motor, and impeller cavity is provided in the pump housing, is provided with impeller in impeller cavity, impeller with The power output shaft of motor is connected fixation, driven by the motor, wheel rotation and drives in the pump housing to water flow, makes Water pump is obtained to supply water.In existing most of water pump, it is provided with open coupling structure between motor and the pump housing and realizes the pump housing It is connected fixation with the machine barrel of motor.

Chinese utility model patent (publication number: CN 206972620U) discloses a kind of water pump, structure include pedestal and The pump machine being set on the base, pump machine are connected to the motor, wherein damped noise reduction device, damped noise reduction device are equipped with below pedestal Including being located at pedestal and buffer unit below pedestal, buffer unit is symmetrical arranged；Buffer unit includes being arranged below pedestal The first buffer stopper and the second buffer stopper positioned at ground, support component, branch are equipped between the first buffer stopper and the second buffer stopper Support component periphery is equipped with elastic parts；Water pump periphery is equipped with fixing belt and is connected with pedestal.By the way that the pedestal below water pump is arranged in Water pump and ground rigid contact can be reduced and the vibration generated and noise with buffer unit, meanwhile, by fixing belt by pump machine It is fixed with pedestal, further reduced vibration and the noise of the machine itself generation, controlled by both sides, it can be effective Reduction water pump vibration and noise, really play the role of damping noise reduction.

Open coupling structure is used between this motor and the pump housing and realizes the fixation that is connected, and this aspect is led Cause this coupling structure not compact, on the other hand, water pump needs to pour into water in the pump housing at the beginning of work, during pouring water Or when water pump water outlet, water is easily splashed on motor power output shaft, and easily causes to corrode to power output shaft, and water is also easy to invade Motor inside is damaged in motor, so that the degree of protection of motor is relatively low.

Summary of the invention

The utility model technical issues that need to address are: the coupling structure between a kind of pump body and motor is provided, On the basis of the coupling structure is connected and fixed between realization motor and pump body, one can be formed between motor and the pump housing A protection structure, is conducive to the protection to motor.

To solve the technical problem, the technical solution of the utility model includes: coupling between a kind of pump body and motor Structure, for realizing being connected and fixed between the pump housing and motor, including connected body, which is characterized in that connected body is blocks, connection The open-work that power supply power output shaft passes through is equipped in junctor, connected body is used to be wrapped in the periphery of motor power output shaft, connection One end of junctor is connected with the pump housing, and the other end of connected body and the machine barrel of motor are connected.

The both ends of connected body are realized between the pump housing and motor be connected and fixed respectively, and realize and the pump housing and motor are connected into One entirety.It realizes and couples admittedly generally by the detachable connecting mode such as bolt between connected body and the pump housing and motor It is fixed, to carry out detachable maintaining to the related components in water pump.

Further, towards concave structure is equipped on the side of connected body on the pump housing, an end face of connected body is recessed with this The bottom surface of face structure is connected.One end face of connected body is usually to be bonded to be fixed together with the bottom surface of the concave structure, is passed through Concave structure is set, and realizes being connected and fixed between connected body and the pump housing, facilitates the fixation between connected body and the pump housing, is pumped Rest part on body can provide certain protective effect for connected body.

Further, attachment bolt passes through the pump housing from concave structure position and is connected fixation with connected body.Coupling Corresponding position on body is provided with internal thread hole, realizes the pump housing by the threaded connection of attachment bolt and these internal thread holes Being connected and fixed between connected body, it is simple and reasonable, facilitate and realizes coupling between connected body and the pump housing and disassembly.

Further, machine barrel is cylindrical shape, end cap of the connected body as machine barrel.Directly using connected body as motor The end cap of machine barrel, simplifies structure, facilitates being connected and fixed between the pump housing and motor.

Further, on the outer peripheral surface of machine barrel have several cooling fins outstanding, connected body by fixing bolt with couple Seat is connected, and connection seat is arranged between adjacent two panels cooling fin.This connection seat can be well adapted for outside motor machine barrel The structure of circumferential surface, convenient for being connected and fixed between connected body and machine barrel.

Further, the peep hole communicated with open-work is equipped on connected body, peep hole is located at the downside of connected body.Snooping Hole is located at the downside of connected body, is the hole mouth down of peep hole on the basis of the working condition of water pump.By being provided with snooping On the one hand on the other hand hole, it is defeated motor power on the pump housing can also can be observed from peep hole with the pressure inside balance motor Shaft, which passes through the sealing ring at position, whether there is drainage, so that the detection for water pump provides convenience, while also can It avoids even if there is drainage, water is also not easy to be immersed in inside motor.

The utility model has the beneficial effects that: by the way that a block-like connected body, the connection are arranged between the pump housing and motor Junctor can be connected and fixed between the pump housing and motor and provide guarantee, so that can couple between the pump housing and motor for a jail Solid entirety.On the basis of realizing that the pump housing and associated electric motor connect fixed, connected body is wrapped in the outer of the power output shaft of motor Week, connected body provide good protective effect for motor power output shaft, and extraneous sundries and water are not easy to be immersed in power defeated At output shaft position, it is less susceptible to enter inside motor at ultromotivity position of output axle, to effectively improve the protection of motor Grade ensure that the service life of motor.

Detailed description of the invention

Fig. 1 is the backside structure figure of pump body.

Fig. 2 is the structure chart of machine barrel.

Fig. 3 is the structure chart that connected body and machine barrel are linked together.

Fig. 4 is the use state of this coupling structure with reference to figure.

Fig. 5 is the chart at the bottom of that connected body and associated electric motor are connected together.

Specific embodiment

In conjunction with Figure of description, this coupling structure is for realizing being connected and fixed between the pump housing and motor, main structure Connected body 13.Connected body 13 is blocks, the open-work passed through in connected body 13 equipped with 10 power output shaft 15 of power supply machine.In reality Using upper, connected body 13 is wrapped in the periphery of power output shaft 15, and one end and the pump housing 1 of connected body 13 are connected, connected body 13 The machine barrel 7 of the other end and motor 10 be connected.

The pump housing 1 is hollow shell, and impeller cavity 4 is provided in the pump housing 1, is provided on the pump housing 1 and communicates with impeller cavity 4 Inlet 3 and liquid outlet 2.It is provided with impeller 16 in impeller cavity 4, the power output shaft 15 of impeller 16 and motor 10 is connected solid It is fixed, push water to flow from the inlet 3 of the pump housing 1 to 2 direction of liquid outlet by rotation of the impeller 16 in impeller cavity 4.It is pumping It is equipped with concave structure 5 towards the side of connected body 13 on body 1, the presence of the concave structure 5 makes the thickness phase of the pump housing 1 To becoming smaller.One end face of connected body 13 and the bottom surface of the concave structure 5 directly fit it is fixed, or both between be arranged it is a piece of The gasket of shape.See that Fig. 1, the impeller cavity 4 are located at concave structure 5, installation is provided on the bottom surface of concave structure 5 Mouthful, it is installed in impeller cavity 4 at 16 self installation mouth of impeller.

In conjunction with Fig. 1,3,4, it is connected and fixed, is being coupled by the realization of attachment bolt 17 between connected body 13 and the pump housing 1 Setting is set there are three corresponding connection holes 6, connection holes 6 are located on the pump housing 1 on the pump housing 1 there are three internal thread hole 14 on body 13 5 position of concave structure at, connection holes 6 along the pump housing 1 thickness direction run through the pump housing 1.One attachment bolt 17, which is worn, to be connect at one In connection holes 6, attachment bolt 17 is threadedly coupled with internal thread hole 14, after tightening attachment bolt 17, and realizes the pump housing 1 and connected body Being connected and fixed between 13.

In conjunction with Fig. 2,3, the machine barrel 7 in motor 10 is cylindrical shape, is rotationally provided with rotor in machine barrel 7, rotor is with power Output shaft 15 is axis.End cap of the connected body 13 as machine barrel 7, connected body 13 are connected at the open end of machine barrel 7, power Output shaft 15, which is worn, to be connect in set open-work in connected body 13.Integrally formed with several heat dissipations outstanding on the outer peripheral surface of machine barrel 7 Piece 8 is provided with connection seat 9 between adjacent two panels cooling fin 8.Connection seat 9 can be block close to connected body 13, connection seat 9 Shape body is arranged in by welding between two cooling fins 8 adjacent on machine barrel 7；Connection seat 9 is also possible to by the piece of Jiong shape Shape body is weldingly fixed between two adjacent cooling fins 8 and is formed.Internal screw thread is equipped on connection seat 9, in connected body 13 It is set on outer peripheral surface there are three coupling ring 11 outstanding, connection seat 9 is also three, and the position one of connection seat 9 and coupling ring 11 is a pair of It answers, fixing bolt 12 passes through coupling ring 11 and is threaded togather with connection seat 9.

See Fig. 5, be provided with sealing ring at above-mentioned installing port position, to realize 10 power output shaft 15 of motor and installation Liquid sealing between mouthful.To grasp the sealing condition between them in time, in order to avoid there is drainage, it is equipped on connected body 13 The peep hole 18 communicated with open-work, peep hole 18 are located at the downside of connected body 13.Through the peep hole 18, it can be seen that sealing ring Whether place has damage or has the leakage of water.

Claims (6)

1. the coupling structure between a kind of pump body and motor, for realizing being connected and fixed between the pump housing and motor, including Connected body, which is characterized in that connected body is blocks, and the open-work that power supply power output shaft passes through, connection are equipped in connected body Body is used to be wrapped in the periphery of motor power output shaft, and one end and the pump housing of connected body are connected, the other end and electricity of connected body The machine barrel of machine is connected.

2. the coupling structure between pump body according to claim 1 and motor, which is characterized in that the direction on the pump housing The side of connected body is equipped with concave structure, and an end face of connected body and the bottom surface of the concave structure are connected.

3. the coupling structure between pump body according to claim 2 and motor, which is characterized in that attachment bolt is from recessed The pump housing is passed through at the locations of structures of face and is connected fixation with connected body.

4. the coupling structure between pump body according to claim 1 and motor, which is characterized in that machine barrel is cylinder Shape, end cap of the connected body as machine barrel.

5. the coupling structure between pump body according to claim 4 and motor, which is characterized in that the outer peripheral surface of machine barrel Upper to have several cooling fins outstanding, connected body is connected by fixing bolt and connection seat, and adjacent two are arranged in connection seat Between piece cooling fin.

6. the coupling structure between pump body according to claim 4 or 5 and motor, which is characterized in that in connected body It is equipped with the peep hole communicated with open-work, peep hole is located at the downside of connected body.