CN210265167U

CN210265167U - Electric water pump

Info

Publication number: CN210265167U
Application number: CN201921248448.XU
Authority: CN
Inventors: 章海平
Original assignee: Lewei Pump Co Ltd
Current assignee: Lewei Pump Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-04-07
Anticipated expiration: 2029-08-02

Abstract

The utility model provides an electric water pump belongs to mechanical technical field. It has solved the inconvenient problem of current water pump equipment. The electric water pump comprises a motor and a controller, wherein the motor comprises a machine barrel and an end cover arranged at the left end of the machine barrel, the controller comprises a barrel body, the barrel body and the machine barrel are coaxially arranged, a barrel opening of the barrel body is arranged towards the right, and the end cover is clamped and positioned between the left end of the machine barrel and the right end of the barrel body; the staving right-hand member is for being annular location portion, and location portion is L shape at staving ascending cross-section, and the staving overcoat has the clamping ring, and location portion is located between clamping ring and the barrel, and the clamping ring sticiss on the outer wall of location portion, and the clamping ring links firmly with the barrel through the screw rod, and the screw rod has two at least and along the circumference equipartition of barrel. This electric water pump equipment is comparatively convenient.

Description

Electric water pump

Technical Field

The utility model belongs to the technical field of machinery, a water pump, especially an electric water pump are related to.

Background

The electric water pump is an important component in a water cooling system of an automobile engine and mainly comprises a water pump and a motor. The water pump comprises a water pump shell with a water inlet and a water outlet and an impeller arranged in the water pump shell, the motor is arranged on the outer side of the water pump shell, and a motor shaft is connected with the impeller through a connecting shaft.

In order to control the water pump, the conventional electric water pump is generally provided with a controller for controlling the operation of the motor, and the controller is arranged on a barrel of the motor. In the existing electric water pump, the installation of the motor barrel and the assembly of the controller shell are mutually independent, the operation steps are more, the related fasteners are more, and the integral assembly is more complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric water pump convenient to assemble to there is above-mentioned problem in the prior art.

The purpose of the utility model can be realized by the following technical proposal: an electric water pump comprises a motor and a controller, wherein the motor comprises a machine barrel and an end cover arranged at the left end of the machine barrel, and the controller comprises a barrel body; the right-hand member of staving for being annular location portion, location portion is L shape at staving ascending cross-section, the external cover of staving has the clamping ring, location portion is located between clamping ring and the barrel, and the clamping ring sticiss on the outer wall of location portion, the clamping ring link firmly through screw rod and barrel, the screw rod has two at least and follows the circumference equipartition of barrel.

During the in-service use, only need screw the screw rod alright accomplish staving, end cover and barrel three's location simultaneously, so not only effectively reduced the equipment process, the structure is also comparatively simple moreover, makes the comparatively convenient that whole equipment becomes. Secondly, the end cover is clamped and positioned between the barrel body and the machine barrel, and the end cover, the machine barrel and the barrel body are distributed on the same axis, so that the distance among all parts is effectively reduced, and the whole structure is compact.

In the electric water pump, the outer side wall of the end cover is integrally formed with an annular guide part, the guide part is inserted into the barrel body, and the outer side wall of the guide part abuts against the inner side wall of the barrel body. Under the effect of guide part, play accurate guide effect to the installation of staving to further make things convenient for the equipment.

In the electric water pump, the outer wall of the end cover is tightly abutted against the inner wall of the positioning part and the left end face of the machine barrel.

In the electric water pump, an annular slot is formed between the outer wall of the end cover and the inner wall of the positioning part, the shape and the size of the slot are matched with the left end of the machine barrel, and the machine barrel is inserted and embedded in the slot. By adopting the design, the connection stability of the barrel body, the end cover and the machine barrel can be enhanced.

In the electric water pump, the outer side wall of the end cover is provided with an annular groove, a 0-shaped ring is arranged in the annular groove, and the peripheral surface of the 0-shaped ring is abutted against the inner side wall of the machine barrel. Under the action of the 0-shaped ring, the sealing performance between the end cover and the machine barrel can be effectively enhanced.

In foretell electric water pump, the right-hand member lateral wall of barrel on have an annular lug, and annular lug and barrel coaxial line arrange, be equipped with the screw hole on the left end face of annular lug, be equipped with the through-hole on the clamping ring, through-hole, screw hole and screw rod three quantity are the same, all wear to be equipped with the screw rod in every through-hole, the pole portion spiro union of screw rod is in the screw hole, the head of screw rod supports presses on the clamping ring left end face.

Compared with the prior art, when this electric water pump in-service use, only need screw the screw rod alright accomplish staving, end cover and barrel three's location simultaneously, so not only effectively reduced the equipment process, the structure is also comparatively simple moreover, makes the comparatively convenient that whole equipment becomes. Secondly, the end cover is clamped and positioned between the barrel body and the machine barrel, and the end cover, the machine barrel and the barrel body are distributed on the same axis, so that the distance among all parts is effectively reduced, and the whole structure is compact.

Drawings

Fig. 1 is a schematic view of the structure of the electric water pump.

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

In the figure, 1, a motor; 1a, a cylinder; 1a1, annular projection; 1b, end covers; 1b1, guide part; 2. a controller; 2a, a barrel body; 2a1, positioning part; 3. pressing a ring; 4. a screw; 5. a slot; 6. 0-shaped ring.

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, the electric water pump includes a motor 1 and a controller 2, wherein the motor 1 includes a cylinder 1a and an end cap 1b provided at a left end of the cylinder 1a, and the controller 2 includes a barrel body 2 a.

Specifically, the barrel body 2a and the cylinder 1a are arranged coaxially, and the bung of the barrel body 2a is disposed toward the right. End cap 1b is positioned clamped between the left end of barrel 1a and the right end of barrel 2 a. The right end of the barrel body 2a is provided with an annular positioning part 2a1, the cross section of the positioning part 2a1 in the axial direction of the barrel body 2a is L-shaped, the barrel body 2a is externally sleeved with a pressing ring 3, the positioning part 2a1 is positioned between the pressing ring 3 and the barrel 1a, and the pressing ring 3 is tightly pressed on the outer wall of the positioning part 2a 1. The compression rings 3 are fixedly connected with the machine barrel 1a through screws 4, and at least two screws 4 are uniformly distributed along the circumferential direction of the machine barrel 1 a.

In the present embodiment, as shown in fig. 1 and fig. 2, the positioning manner of the end cap 1b is specifically as follows: the outer wall of end cap 1b is in close abutment with the inner wall of positioning portion 2a1 and the left end face of barrel 1 a. Further, an annular slot 5 is formed between the outer wall of the end cap 1b and the inner wall of the positioning portion 2a1, the shape and size of the slot 5 are matched with the left end of the cylinder 1a, and the cylinder 1a is inserted into the slot 5 to enhance the connection stability of the barrel body 2a, the end cap 1b and the cylinder 1 a. An annular guide part 1b1 is integrally formed on the outer side wall of the end cover 1b, the guide part 1b1 is inserted into the barrel body 2a, and the outer side wall of the guide part 1b1 abuts against the inner side wall of the barrel body 2a, so that the barrel body 2a is convenient to mount.

The screw 4 is mounted as follows: the outer side wall of the right end of the cylinder 1a is provided with an annular lug 1a1, and the annular lug 1a1 and the cylinder 1a are coaxially arranged. Be equipped with the screw hole on the left end face of annular lug 1a1, be equipped with the through-hole on the clamping ring 3, through-hole, screw hole and 4 three of screw rods quantity are the same, all wear to be equipped with screw rod 4 in every through-hole, and the pole portion spiro union of screw rod 4 is in the screw hole, and the head of screw rod 4 supports and presses on the clamping ring 3 left end face.

As shown in fig. 2, an annular groove is formed on the outer side wall of the end cap 1b, a 0-shaped ring 6 is arranged in the annular groove, and the outer peripheral surface of the 0-shaped ring 6 abuts against the inner side wall of the machine barrel 1 a. The sealing performance between the end cover 1b and the cylinder 1a can be effectively enhanced under the action of the 0-shaped ring 6.

During the in-service use, only need screw 4 of screwing alright accomplish staving 2a, end cover 1b and barrel 1a three's location simultaneously, so not only effectively reduced the equipment process, the structure is also comparatively simple moreover, makes the comparatively convenient that whole equipment becomes. Secondly, end cover 1b presss from both sides tightly to be located between staving 2a and barrel 1a, and end cover 1b, barrel 1a and staving 2a three distribute on same axis to effectively reduce the distance between each spare part, make whole structure become comparatively compact.

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. An electric water pump comprises a motor (1) and a controller (2), wherein the motor (1) comprises a machine barrel (1a) and an end cover (1b) arranged at the left end of the machine barrel (1a), and the controller (2) comprises a barrel body (2a), and is characterized in that the barrel body (2a) and the machine barrel (1a) are coaxially arranged, a barrel opening of the barrel body (2a) is arranged towards the right, and the end cover (1b) is clamped and positioned between the left end of the machine barrel (1a) and the right end of the barrel body (2 a); staving (2a) right-hand member for being annular location portion (2a1), location portion (2a1) is L shape at staving (2a) ascending cross-section, staving (2a) overcoat has clamping ring (3), location portion (2a1) are located between clamping ring (3) and barrel (1a), and clamping ring (3) sticiss on the outer wall of location portion (2a1), clamping ring (3) link firmly with barrel (1a) through screw rod (4), screw rod (4) have two at least and along the circumference equipartition of barrel (1 a).

2. The electric water pump according to claim 1, wherein the guide portion (1b1) is integrally formed on an outer side wall of the end cap (1b), the guide portion (1b1) is inserted into the barrel body (2a), and an outer side wall of the guide portion (1b1) abuts against an inner side wall of the barrel body (2 a).

3. The electric water pump according to claim 1 or 2, wherein the outer wall of the end cap (1b) is in close abutment with the inner wall of the positioning portion (2a1) and the left end face of the cylinder (1 a).

4. The electric water pump according to claim 3, wherein an annular slot (5) is formed between an outer wall of the end cap (1b) and an inner wall of the positioning portion (2a1), the slot (5) has a shape and a size matched with a left end of the cylinder (1a), and the cylinder (1a) is inserted into the slot (5).

5. The electric water pump according to claim 4, wherein an annular groove is formed on the outer side wall of the end cover (1b), a 0-shaped ring (6) is arranged in the annular groove, and the outer peripheral surface of the 0-shaped ring (6) is abutted against the inner side wall of the machine barrel (1 a).

6. The electric water pump according to claim 1, wherein an annular projection (1a1) is arranged on the outer side wall of the right end of the machine barrel (1a), the annular projection (1a1) and the machine barrel (1a) are coaxially arranged, a threaded hole is formed in the left end face of the annular projection (1a1), through holes are formed in the pressing ring (3), the number of the through holes, the number of the threaded hole and the number of the screws (4) are the same, a screw (4) penetrates through each through hole, the rod portion of each screw (4) is screwed in each threaded hole, and the head portion of each screw (4) abuts against the left end face of the pressing ring (3).