CN219139394U

CN219139394U - Air conditioner pump

Info

Publication number: CN219139394U
Application number: CN202223123271.5U
Authority: CN
Inventors: 孙嘉豪; 杨光; 陈渊
Original assignee: Guangzhou Baiyuan Pump Group Ltd
Current assignee: Guangzhou Baiyuan Pump Group Ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-06-06
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses an air conditioner pump, which comprises a motor, a motor and a motor shaft, wherein the motor is provided with a motor shaft; a pump body having an impeller; the motor connecting sleeve is sleeved on the motor shaft; and the lengthening shaft comprises a front end and a rear end which are opposite, the rear end is connected with the motor connecting sleeve, and the front end is connected with the impeller. The motor connecting sleeve and the lengthening shaft are used as a middle connecting structure, so that the length of the motor shaft can be correspondingly shortened, and the radial runout accuracy is further improved through the arrangement of the motor connecting sleeve and the lengthening shaft.

Description

Air conditioner pump

Technical Field

The utility model relates to the technical field of pumps, in particular to an air conditioner pump.

Background

At present, the length of a motor shaft of an air conditioner pump in the market is larger, so that rotor runout is larger, such as a direct-connected air conditioner pump which is convenient to disassemble and assemble in the prior art CN207673562 U_and discloses an air conditioner pump structure which is convenient to disassemble and assemble, but the structure has certain defects, such as material waste, difficult radial runout precision guarantee and the like.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the air conditioner pump which can reduce the length and the size required by a motor shaft and has the characteristic of high radial runout precision.

An air conditioner pump according to an embodiment of a first aspect of the present utility model includes:

a motor having a motor shaft;

a pump body having an impeller;

the motor connecting sleeve is sleeved on the motor shaft; and

the extension shaft comprises a front end and a rear end which are opposite, the rear end is connected with the motor connecting sleeve, and the front end is connected with the impeller.

The air conditioner pump according to the embodiment of the first aspect of the utility model has at least the following beneficial effects: the motor connecting sleeve and the lengthening shaft are used as a middle connecting structure, so that the length of the motor shaft can be correspondingly shortened, and the radial runout accuracy is further improved through the arrangement of the motor connecting sleeve and the lengthening shaft.

According to the air conditioner pump provided by the embodiment of the first aspect of the utility model, the rear end is provided with an inner hole for connection, the inner hole is provided with a taper hole, and the outer wall of the motor connecting sleeve is provided with a taper matched with the inner hole, so that the lengthened shaft sleeve is sleeved on the motor connecting sleeve.

According to the air conditioner pump provided by the embodiment of the first aspect of the utility model, the extension shaft and the motor connecting sleeve are fixed in a threaded connection mode.

According to the half threaded hole that sets up along the axial of hole, the outer wall of motor adapter sleeve be equipped with half threaded hole looks adaptation half threaded hole, the extension axle sleeve is located when the preset position of motor adapter sleeve, half threaded hole with half threaded hole aligns and forms the mounting hole, the mounting hole is suitable for installing first screw thread fastener and makes the extension axle with motor adapter sleeve is fixed relatively.

According to the air conditioner pump of the first aspect of the embodiment of the utility model, the half threaded hole and the half optical hole are respectively arranged in two, and the formed mounting holes are symmetrically arranged by taking the axis of the inner hole as a reference.

According to the air conditioner pump of the first aspect of the embodiment of the utility model, the motor connecting sleeve is provided as an open shaft sleeve.

According to an embodiment of the first aspect of the utility model, a connecting frame is arranged between the pump body and the motor, the connecting frame is provided with a cavity, and the cavity is suitable for accommodating the motor connecting sleeve and the part of the lengthening shaft.

According to the air conditioner pump provided by the embodiment of the first aspect of the utility model, the connecting frame is detachably connected with the pump body and/or the motor through the second threaded fastener.

According to the air conditioner pump provided by the embodiment of the first aspect of the utility model, the pump body is provided with the pump cover, the pump cover is provided with the connecting hole for the extension shaft to pass through, and one end of the connecting frame is fixedly connected with the pump cover.

According to an embodiment of the first aspect of the present utility model, the front end is adapted to be connected to the impeller via the connection hole, and a mechanical seal is provided between the front end and the connection hole;

and/or the front end is connected with the impeller through a key.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

Reference numerals:

pump body 1, impeller 2, key 3, pump cover 4, mechanical seal 5, extension axle 6, motor 7, first screw fastener 8, motor adapter sleeve 9, link 10.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it should be understood that references to orientation descriptions, such as directions of up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the description of the present application, the meaning of several is one or more, the meaning of a plurality is at least two, greater than, less than, exceeding, etc. is understood to not include the present number, and above, below, within, etc. is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present application, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present application can be reasonably determined by a person skilled in the art after combining the specific contents of the technical solutions.

Referring to fig. 1, an air conditioner pump according to an embodiment of the first aspect of the present application includes a motor 7, a pump body 1, a motor connecting sleeve 9, and an extension shaft 6.

Wherein the motor 7 is provided with a motor shaft, the pump body 1 is provided with an impeller 2, and the motor connecting sleeve 9 is sleeved on the motor shaft; and an elongated shaft 6 comprising opposite front and rear ends, the rear end being connected to the motor connection sleeve 9 and the front end being connected to the impeller 2. The motor connecting sleeve 9 and the lengthening shaft 6 serve as a middle connecting structure, so that the length of a motor shaft can be correspondingly shortened, and the radial runout accuracy is further improved through the arrangement of the motor connecting sleeve 9 and the lengthening shaft 6.

It can be understood that after the front end of extension axle 6 is connected with impeller 2, will lengthen axle 6 and impeller 2 locking through the impeller nut, the outside and the extension axle 6 cooperation of motor adapter sleeve 9 are connected, and the inboard and the motor shaft cooperation of motor adapter sleeve 9 are connected, realize the concatenation of extension axle 6 and motor shaft, simple to operate and can transmit torsion for the air conditioner pump of this application first aspect embodiment has the length dimension of motor shaft to be short, save characteristics such as material.

In some embodiments of the present application, the rear end is provided with an inner hole for connection, the inner hole is provided with a taper hole, and the outer wall of the motor connecting sleeve 9 is provided with a taper matched with the inner hole, so that the lengthening shaft 6 is sleeved on the motor connecting sleeve 9. More specifically, the axis of the inner hole coincides with the axis of the lengthened shaft 6, the inner hole at the rear end of the lengthened shaft 6 is designed into a taper hole, the outer conicity of the motor connecting sleeve 9 coincides with the conicity of the inner taper hole of the lengthened shaft 6, and the motor connecting sleeve 9 and the lengthened shaft 6 are in taper fit, so that the radial runout of the whole part is further ensured.

In some embodiments of the present application, the attachment between the extension shaft 6 and the motor connection sleeve 9 is performed by means of a threaded connection. Preferably, the inner wall of the inner hole is provided with a half threaded hole, the outer wall of the motor connecting sleeve 9 is provided with a half threaded hole matched with the half threaded hole, when the lengthening shaft 6 is sleeved at the preset position of the motor connecting sleeve 9, the half threaded hole and the half threaded hole are aligned to form a mounting hole, and the mounting hole is suitable for mounting the first threaded fastener 8 so that the lengthening shaft 6 and the motor connecting sleeve 9 are relatively fixed.

It can be understood that the motor connecting sleeve 9 is sleeved on the motor shaft during installation, then the lengthening shaft 6 is sleeved on the motor connecting sleeve 9, the half threaded hole is aligned with the half optical hole, and then the first threaded fastener 8 is screwed in and screwed. Further, the half threaded holes and the half unthreaded holes are respectively arranged in two, each half threaded hole and each half unthreaded hole are respectively matched, and each formed mounting hole is symmetrically arranged by taking the axis of the inner hole as a reference, so that the radial runout precision of the part is further ensured. Under the action of the two first threaded fasteners 8, the motor connecting sleeve 9 is tightly fixedly connected with the lengthening shaft 6, and the motor connecting sleeve 9 is tightly held on a motor shaft to realize torque transmission.

Furthermore, the motor connecting sleeve 9 is arranged as an opening shaft sleeve, and the connection pretightening force is improved by matching with the taper design and the threaded connection design, so that the reliable connection of the motor shaft, the motor connecting sleeve 9 and the lengthening shaft 6 is ensured.

In some embodiments of the present application, a coupling frame 10 is provided between the pump body 1 and the motor 7, the coupling frame 10 being provided with a cavity adapted to receive a portion of the motor coupling sleeve 9 and the extension shaft 6. More specifically, the connecting frame 10 is detachably connected to the pump body 1 and/or the motor 7 by means of a second threaded fastener. It will be appreciated that the connection frame 10 acts as a frame to protect the motor connection sleeve 9 and the extension shaft 6 so that the motor 7 can be normally in driving connection with the impeller 2. Further, through detachable threaded connection mode, reliable, easy to assemble can be made between link 10, the pump body 1 and the motor 7. In particular, the first threaded fastener 8 and the second threaded fastener may be common connectors such as screws, bolts, and the like.

In some embodiments of the present application, the pump body 1 is provided with a pump cover 4, the pump cover 4 is provided with a connecting hole for the extension shaft 6 to pass through, and one end of the connecting frame 10 is fixedly connected to the pump cover 4. Further, the front end is adapted to be connected to the impeller 2 via a connection hole, a mechanical seal 5 is provided between the front end and the connection hole, and the front end is connected to the impeller 2 via a key 3.

It can be appreciated that the pump cover 4 is sleeved on the left side of the connecting frame 10; and then, a mechanical seal 5 and a key 3 are sleeved on the lengthened shaft 6 and connected with the impeller 2, the impeller is fixed by an impeller nut, finally, the pump body 1 is installed, and the pump body 1 and the pump cover 4 are fastened by bolts, so that the installation is completed.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The embodiments of the present application have been described in detail above with reference to the accompanying drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present application.

Claims

1. An air conditioner pump, comprising:

a motor having a motor shaft;

a pump body having an impeller;

the motor connecting sleeve is sleeved on the motor shaft; and

2. An air conditioner pump according to claim 1, wherein: the rear end is provided with an inner hole for connection, the inner hole is arranged as a taper hole, and the outer wall of the motor connecting sleeve is provided with taper matched with the inner hole, so that the lengthening shaft sleeve is arranged on the motor connecting sleeve.

3. An air conditioner pump according to claim 2, wherein: the lengthening shaft and the motor connecting sleeve are fixed in a threaded connection mode.

4. An air conditioner pump according to claim 3, wherein: the inner wall of the inner hole is provided with a half threaded hole, the outer wall of the motor connecting sleeve is provided with a half threaded hole matched with the half threaded hole, when the lengthened shaft is sleeved at the preset position of the motor connecting sleeve, the half threaded hole and the half threaded hole are aligned to form a mounting hole, and the mounting hole is suitable for mounting a first threaded fastener to enable the lengthened shaft to be relatively fixed with the motor connecting sleeve.

5. An air conditioner pump according to claim 4, wherein: the half threaded hole and the half optical hole are respectively arranged in two, and the formed mounting holes are symmetrically arranged by taking the axis of the inner hole as a reference.

6. An air conditioner pump according to claim 2, wherein: the motor connecting sleeve is arranged as an opening shaft sleeve.

7. An air conditioner pump according to claim 1, wherein: a connecting frame is arranged between the pump body and the motor, the connecting frame is provided with a cavity, and the cavity is suitable for accommodating the motor connecting sleeve and the part of the lengthening shaft.

8. An air conditioner pump according to claim 7, wherein: the connecting frame is detachably connected with the pump body and/or the motor through a second threaded fastener.

9. An air conditioner pump according to claim 7, wherein: the pump body is provided with a pump cover, the pump cover is provided with a connecting hole for the extension shaft to pass through, and one end of the connecting frame is fixedly connected with the pump cover.

10. An air conditioner pump as set forth in claim 9, wherein: the front end is suitable for being connected with the impeller through the connecting hole, and a mechanical seal is arranged between the front end and the connecting hole;

and/or the front end is connected with the impeller through a key.