CN210265160U

CN210265160U - Connection structure of controller and motor in water pump

Info

Publication number: CN210265160U
Application number: CN201921175230.6U
Authority: CN
Inventors: 章海平
Original assignee: Lewei Pump Co Ltd
Current assignee: Lewei Pump Co Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-04-07
Anticipated expiration: 2029-07-24

Abstract

The utility model provides a connection structure of controller and motor in water pump belongs to mechanical technical field. In the utility model, the motor comprises a casing, the controller comprises a box body arranged outside the casing, a line passing hole is arranged on the casing in a running way, a connecting part in a cylindrical shape is integrally formed on the outer side wall of the casing, the line passing hole is positioned in the connecting part, the lower end of the box body is inserted in the connecting part, a seal is formed between the inner side wall of the connecting part and the outer wall of the box body, a through hole for communicating the inner cavity of the connecting part with the inner cavity of the box body is arranged on the bottom wall of the box body, and the box body and the connecting; still integrated into one piece has the lug on the lateral wall of casing, and the lug is strip and length and extends along the axial of casing, and the lug is located connecting portion, and the lug radially runs through along the casing and is equipped with the screw hole. The utility model discloses comparatively clean and tidy.

Description

Connection structure of controller and motor in water pump

Technical Field

The utility model belongs to the technical field of machinery, a connection structure of controller and motor in water pump, especially a water pump is related to.

Background

The water pump is a machine for conveying liquid or pressurizing liquid, and it can transfer the mechanical energy of prime mover or other external energy to the liquid to increase the energy of liquid, and is mainly used for conveying liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, etc.

In order to facilitate hanging and conveying, a hook is generally fixed on a motor shell of the existing water pump, and the hook is generally arranged on one side of the controller. The above approach has two problems: 1. due to limited space, the hook is generally arranged close to the controller, and the controller is easily touched or even damaged in the suspension conveying process; 2. the whole structure looks messy and has poor aesthetic property.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a connection structure of controller and motor in comparatively clean and tidy water pump.

The purpose of the utility model can be realized by the following technical proposal: the water pump is characterized in that a cylindrical connecting part is integrally formed on the outer side wall of the shell, the wire passing hole is positioned in the connecting part, the lower end of the box body is inserted in the connecting part, a seal is formed between the inner side wall of the connecting part and the outer wall of the box body, a through hole for communicating the inner cavity of the connecting part with the inner cavity of the box body is formed in the bottom wall of the box body, and the box body and the connecting part are detachably and fixedly connected through a plurality of bolts; the lateral wall of casing on still integrated into one piece have the lug, the lug is strip and length along the axial extension of casing, the lug is located connecting portion, and the lug radially runs through along the casing and is equipped with the screw hole.

When the motor coil is installed, the outgoing line of the motor coil sequentially passes through the wire passing hole and the through hole and is connected with the electronic component in the box body; when the water pump needs to be suspended, the bolt is firstly detached to separate the box body from the connecting part, and then the hook is screwed into the threaded hole to realize the suspension of the whole water pump.

The threaded hole penetrating through the motor casing is hidden in the connecting portion, so that impurities such as dust can be prevented from entering the casing, the heat dissipation space of the casing can be enlarged, the heat dissipation of the motor is facilitated, and the working stability of the water pump is improved.

In the connection structure of the controller and the motor in the water pump, the outer side wall of the box body is integrally formed with the connecting ring, the cross section of the connecting ring in the axial direction of the connecting portion is L-shaped, an annular groove is formed between the inner wall of the connecting ring and the outer wall of the box body, the shape and the size of the upper end of the connecting portion are matched with those of the annular groove, and the connecting portion is inserted into the annular groove. Under the cooperation of the annular groove and the connecting part, the box body and the connecting part are convenient to assemble.

In the above-mentioned connection structure of the controller and the motor in the water pump, the end surface of the connection part is attached to the bottom wall of the annular groove. To enhance the positioning effect of the cartridge by increasing the contact area.

In the above-mentioned connection structure of controller and motor in the water pump, the go-between radially run through along connecting portion and be equipped with screw hole one, be equipped with screw hole two on the outer wall of connecting portion, screw hole one, screw hole two are the same with bolt quantity, and the screw hole one that the position corresponds has same bolt with two internal spiro union of screw hole. By adopting the design, the device has the advantages of simple structure and convenience in assembly.

In the connection structure of the controller and the motor in the water pump, there are at least two threaded holes, and the diameter of each threaded hole is different. Set up the screw hole in different apertures to match not unidimensional couple, strengthen the practicality.

In the above-mentioned connection structure of controller and motor in the water pump, the shape and the size of the lateral wall of the lower extreme of foretell box body all match with the inside wall of connecting portion, and the lateral wall of box body and the inside wall of connecting portion paste and form sealedly.

Compared with the prior art, this connection structure of controller and motor in water pump has following advantage:

1. the box body and the connecting portion can be dismantled and firmly connected to the lug that the shaping is located the connecting portion on the casing lateral wall sets up a plurality of screw holes of unidimensional not on the lug, with the couple of not unidimensional of matching, makes the water pump homoenergetic realize wholly hanging the transportation under different operating modes.

2. The threaded hole that is to run through the setting is hidden in connecting portion, can effectively improve the outside clean and tidy nature of casing, makes whole look comparatively pleasing to the eye, does so simultaneously still both can prevent impurities such as dust from entering into the casing in, can increase the heat dissipation space of casing again to be favorable to the heat dissipation of motor, improve the job stabilization nature of water pump.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

In the figure, 1, a housing; 1a, a wire passing hole; 1b, a connecting part; 1c, a bump; 1c1, threaded hole; 2. a box body; 2a, a through hole; 2b, a connecting ring; 3. and (4) bolts.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, in the connection structure of the controller and the motor in the water pump, the motor includes a casing 1, and the controller includes a box body 2 disposed outside the casing 1.

Wherein, the casing 1 is provided with a wire passing hole 1a in a penetrating manner, the outer side wall of the casing 1 is integrally formed with a cylindrical connecting part 1b, and the wire passing hole 1a is positioned in the connecting part 1 b. The lower end of the box body 2 is inserted into the connecting part 1b, and a seal is formed between the inner side wall of the connecting part 1b and the outer wall of the box body 2. In this embodiment, the shape and size of the outer sidewall of the lower end of the box 2 are matched with the inner sidewall of the connecting portion 1b, and the outer sidewall of the box 2 and the inner sidewall of the connecting portion 1b are attached to form a seal. The bottom wall of the box body 2 is provided with a through hole 2a which enables the inner cavity of the connecting part 1b to be communicated with the inner cavity of the box body 2, and the box body 2 and the connecting part 1b are detachably and fixedly connected through a plurality of bolts 3.

Specifically, as shown in fig. 1 and 2, a connection ring 2b is integrally formed on an outer side wall of the case body 2, and the connection ring 2b and the connection portion 1b are coaxially arranged. The connecting ring 2b has an L-shaped cross-section in the axial direction of the connecting portion 1b, and an annular groove is formed between the inner wall of the connecting ring 2b and the outer wall of the case 2. The shape and the size of the upper end of the connecting part 1b are matched with the annular groove, and the connecting part 1b is inserted into the annular groove. Go-between 2b is equipped with screw hole one along radial run-through of connecting portion 1b, is equipped with screw hole two on the outer wall of connecting portion 1b, and screw hole one, screw hole two are the same with bolt 3 quantity, and the screw hole one that the position corresponds has same bolt 3 with screw hole two internal screw joints. To explain further, the end surface of the connecting portion 1b abuts against the bottom wall of the annular groove to enhance the positioning effect of the case 2 by increasing the contact area.

As shown in fig. 2, a protrusion 1c is further integrally formed on the outer side wall of the casing 1, the protrusion 1c is strip-shaped and has a length extending along the axial direction of the casing 1, the protrusion 1c is located in the connecting portion 1b, and the protrusion 1c is provided with a threaded hole 1c1 along the radial direction of the casing 1. At least two screw holes 1c1 are provided, and the hole diameter of each screw hole 1c1 is different.

When the motor coil is installed, the leading-out wire of the motor coil sequentially passes through the wire passing hole 1a and the through hole 2a and is connected with the electronic component in the box body 2; when the suspension is needed, the bolt 3 is firstly removed to separate the box body 2 and the connecting part 1b, and then the hook is screwed into the threaded hole 1c1 to realize the suspension of the whole water pump.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The connecting structure of the controller and the motor in the water pump comprises a casing (1), the controller comprises a box body (2) arranged outside the casing (1), and a wire passing hole (1a) is formed in the casing (1) in a penetrating mode, and is characterized in that a cylindrical connecting portion (1b) is integrally formed in the outer side wall of the casing (1), the wire passing hole (1a) is located in the connecting portion (1b), the lower end of the box body (2) is inserted into the connecting portion (1b), a seal is formed between the inner side wall of the connecting portion (1b) and the outer wall of the box body (2), a through hole (2a) enabling the inner cavity of the connecting portion (1b) to be communicated with the inner cavity of the box body (2) is formed in the bottom wall of the box body (2), and the box body (2) and the connecting portion (1b) can be detachably and; the outer side wall of the machine shell (1) is further provided with a lug (1c) in an integrated mode, the lug (1c) is strip-shaped and extends in length along the axial direction of the machine shell (1), the lug (1c) is located in the connecting portion (1b), and the lug (1c) penetrates through the radial direction of the machine shell (1) to form a threaded hole (1c 1).

2. The connection structure of the controller and the motor in the water pump according to claim 1, wherein the connection ring (2b) is integrally formed on the outer side wall of the box body (2), the connection ring (2b) has an L-shaped cross section in the axial direction of the connection portion (1b), an annular groove is formed between the inner wall of the connection ring (2b) and the outer wall of the box body (2), the shape and the size of the upper end of the connection portion (1b) are matched with those of the annular groove, and the connection portion (1b) is inserted into the annular groove.

3. The connection structure of the controller and the motor in the water pump according to claim 2, wherein the end surface of the connection portion (1b) abuts against the bottom wall of the annular groove.

4. The connection structure of the controller and the motor in the water pump according to claim 2 or 3, wherein the connection ring (2b) is provided with a first screw hole along a radial direction of the connection portion (1b) in a penetrating manner, a second screw hole is provided on an outer wall of the connection portion (1b), the first screw hole, the second screw hole and the bolt (3) are the same in number, and the same bolt (3) is screwed in the first screw hole and the second screw hole corresponding to the positions.

5. The coupling structure of the controller and the motor in the water pump according to claim 1, 2 or 3, wherein the number of the screw holes (1c1) is at least two, and the diameter of each screw hole (1c1) is different.

6. The connection structure of the controller and the motor in the water pump according to claim 1, 2 or 3, wherein the outer sidewall of the lower end of the box (2) is matched with the inner sidewall of the connection portion (1b) in shape and size, and the outer sidewall of the box (2) and the inner sidewall of the connection portion (1b) are attached to form a seal.