CN215486773U

CN215486773U - Well is shaft coupling for submerged motor pump

Info

Publication number: CN215486773U
Application number: CN202121666650.1U
Authority: CN
Inventors: 刘小汉; 刘运光; 薛峰
Original assignee: Jiangsu Jinggong Pump Industry Co ltd
Current assignee: Jiangsu Jinggong Pump Industry Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-01-11
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a shaft coupling for a well submersible electric pump, which comprises a base, a motor and a connecting module, wherein a fixing hole for fixing the electric pump is formed in the surface of the base, the motor is fixedly arranged on the upper surface of the base, a driving shaft is arranged at the driving end of the motor, the pump is arranged on the upper surface of the base, a connecting shaft is arranged at one end of the pump, the connecting module is arranged between the driving shaft and the connecting shaft, the connecting module comprises a connecting piece and a clamping piece, and the connecting piece comprises a left lower coupling shaft arranged on the surface of the connecting shaft. According to the utility model, the connecting module and the fixing module are arranged in a matched manner, the coupler fixed on the surface of the connecting shaft and the surface of the driving shaft is combined, so that the driving shaft can stably drive the connecting shaft to rotate when rotating, and then the coupler is stably fixed on the surfaces of the connecting shaft and the driving shaft by combining the clamping block and the clamping groove, so that the coupler is not easy to loosen after long-term use.

Description

Well is shaft coupling for submerged motor pump

Technical Field

The utility model relates to the technical field of couplings, in particular to a coupling for a submersible pump for a well.

Background

The coupling is a device for connecting two shafts or a shaft and a rotating part, rotating together in the process of transmitting motion and power and not separating under normal conditions. Sometimes it is used as a safety device to prevent the coupled machine parts from bearing excessive load, and it plays the role of overload protection.

The coupling connection mode for most of existing well submersible electric pumps is simple, and after the coupling is used for a long time, the coupling is prone to shaking on the surface of a motor driving shaft, so that normal connection of the coupling and normal use of the electric pump are affected.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the utility model is as follows:

a coupling for a submersible electric pump for a well, comprising: base, motor and linking module, the fixed orifices that is used for fixed charge pump is seted up on the surface of base, the motor is located the last fixed surface of base installs, and the drive end installs the drive shaft, the last surface mounting of base has the pump machine, the connecting axle is installed to the one end of pump machine, linking module is located between drive shaft and the connecting axle, linking module includes connecting piece and joint spare, the connecting piece including install in connecting axle surface under a left side coupling, joint in under a left side coupling surface the upper left coupling, install in drive shaft surface under a right side coupling and joint in under a right side coupling surface the upper right coupling on coupling surface under a right side.

Through adopting above-mentioned technical scheme, the motor sets up with the water pump is relatively upright, and the drive shaft is relatively upright with the connecting axle, and the drive shaft all is provided with the incision with the surface of connecting axle, and the inner wall of upper left shaft coupling and upper right shaft coupling also is provided with the mouth of supporting that offsets with the incision for it rotates to drive the connecting axle.

The present invention in a preferred example may be further configured to: the joint spare is including offering in the left side down the coupling the upper left side coupling the right side down the coupling and the spacing groove on upper right coupling surface, be formed in the stopper of spacing groove one side and set up in limiting gear between drive shaft and the connecting axle.

Through adopting above-mentioned technical scheme, stopper and spacing groove are the dislocation setting mutually, and the surface of limit gear is the arc, and the surface of stopper is the concavity.

The present invention in a preferred example may be further configured to: the limiting block is clamped with the tooth groove on the surface of the limiting gear.

Through adopting above-mentioned technical scheme, the concave groove of stopper both sides offsets with the arc on spacing gear surface.

The present invention in a preferred example may be further configured to: the surface of the connecting module is provided with a fixing module, and the fixing module comprises a clamping block connected to the surface of the limiting block and a clamping groove arranged on the inner side of the limiting groove.

Through adopting above-mentioned technical scheme, the fixture block is located the surface of right side stopper, and the draw-in groove is located the inside of left side spacing groove.

The present invention in a preferred example may be further configured to: the fixing module further comprises a threaded hole penetrating through the left lower coupling and the left upper coupling, the right lower coupling and the right upper coupling and a fixing bolt connected to the inner wall of the threaded hole.

Through adopting above-mentioned technical scheme, fixing bolt is threaded connection with the screw hole, improves the stability of shaft coupling.

The present invention in a preferred example may be further configured to: and plastic pads are arranged on two sides of the limiting block.

Through adopting above-mentioned technical scheme, the setting of plastic pad plays absorbing effect when the motor rotates, improves the stability in the middle of shaft coupling and connecting axle and the drive shaft.

By adopting the technical scheme, the utility model has the beneficial effects that:

according to the utility model, the connecting module and the fixing module are arranged in a matched manner, the coupler fixed on the surface of the connecting shaft and the surface of the driving shaft is combined, so that the driving shaft can stably drive the connecting shaft to rotate when rotating, and then the coupler is stably fixed on the surfaces of the connecting shaft and the driving shaft by combining the clamping block and the clamping groove, so that the coupler is not easy to loosen after long-term use.

Drawings

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

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 at A in accordance with the present invention;

fig. 4 is a schematic structural diagram of the connection module of the present invention.

Reference numerals:

100. a base;

200. a motor; 210. a drive shaft; 220. a pump machine; 230. a connecting shaft;

300. a connection module; 310. a left lower coupling; 320. the upper left coupling; 330. a right lower coupling; 340. the upper right coupling; 350. a limiting groove; 360. a limiting block; 370. a limit gear;

400. a fixed module; 410. a clamping block; 420. a card slot; 430. a threaded hole; 440. and (5) fixing the bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the utility model.

The following describes a coupling for a submersible electric pump for a well, which is provided by some embodiments of the present invention, with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1, 2 and 3, the shaft coupling for a submersible electric pump for a well provided by the present invention comprises a base 100, a motor 200 and a connection module 300, wherein a fixing hole for fixing the electric pump is formed on the surface of the base 100, the motor 200 is fixedly mounted on the upper surface of the base 100, a driving shaft 210 is mounted at the driving end, a pump 220 is mounted on the upper surface of the base 100, a connecting shaft 230 is mounted at one end of the pump 220, the connection module 300 is located between the driving shaft 210 and the connecting shaft 230, the connection module 300 comprises a connection member and a clamping member, the connection member comprises a left lower coupling 310 mounted on the surface of the connecting shaft 230, a left upper coupling 320 clamped on the surface of the left lower coupling 310, a right lower coupling 330 mounted on the surface of the driving shaft 210, and a right upper coupling 340 clamped on the surface of the right lower coupling 330, the inner walls of the left upper coupling 320 and the right upper coupling 340 are abutted to the notches formed on the surfaces of the connecting shaft 230 and the driving shaft 210, preventing the linkage from sliding on its surface as the drive shaft 210 rotates.

Further, the joint spare is including seting up in left lower shaft coupling 310, upper left shaft coupling 320, the spacing groove 350 on right lower shaft coupling 330 and upper right shaft coupling 340 surface, form in the stopper 360 of spacing groove 350 one side and set up the limit gear 370 between drive shaft 210 and connecting axle 230, stopper 360 and the tooth's socket looks joint on limit gear 370 surface, 360 both sides of stopper all are provided with the plastic pad,

spacing groove

350 and 360 looks dislocation joints of stopper, can improve the shock attenuation nature of connecting axle 230 when rotating through setting up of plastic pad, the both sides of stopper 360 are the concave arc, the teeth of a cogwheel both sides of limit gear 370 are the convex arc, offset through both, improve the stability of shaft coupling.

Example two:

referring to fig. 3 and 4, on the basis of the first embodiment, a fixing module 400 is disposed on a surface of the connecting module 300, the fixing module 400 includes a fixture block 410 connected to a surface of the limiting block 360 and a fixture groove 420 opened inside the limiting groove 350, the fixing module 400 further includes a threaded hole 430 penetrating through the left lower coupling 310 and the left upper coupling 320, the right lower coupling 330 and the right upper coupling 340, and a fixing bolt 440 connected to an inner wall of the threaded hole 430, the left upper coupling 320 and the left lower coupling 310 are fixed by the fixing bolt 440, the right lower coupling 330 and the right upper coupling 340 are fixed again, and the coupler is prevented from being loosened.

The working principle and the using process of the utility model are as follows: firstly, the upper left coupling 320 is placed at a notch on the surface of the connecting shaft 230, then the limiting gear 370 is placed between the connecting shaft 230 and the driving shaft 210, the upper left coupling is clamped with the limiting block 360 at one end of the upper left coupling 320, then the lower left coupling 310 is installed on the lower surface of the connecting shaft 230, then the fixing bolt 440 is screwed up to fix the upper left coupling 320 and the lower left coupling 310, then the upper right coupling 340 is installed on the surface of the driving shaft 210, the clamping block 410 is abutted to the clamping groove 420, the limiting block 360 is clamped with the limiting gear 370, then the lower right coupling 330 is installed, and then the fixing bolt 440 is fixed between the lower right coupling 330 and the upper right coupling 340, so that the installation of the coupling is completed.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are used broadly and encompass, for example, a fixed connection, a removable connection, or an integral connection, and a connection may be a direct connection or an indirect connection via intermediate media. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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 utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a well is shaft coupling for submerged motor pump which characterized in that includes:

the electric pump fixing device comprises a base (100), wherein a fixing hole for fixing an electric pump is formed in the surface of the base (100);

the motor (200) is fixedly arranged on the upper surface of the base (100), the driving end of the motor (200) is provided with a driving shaft (210), the upper surface of the base (100) is provided with a pump (220), and one end of the pump (220) is provided with a connecting shaft (230);

connecting module (300), connecting module (300) is located between drive shaft (210) and connecting axle (230), connecting module (300) includes connecting piece and joint spare, the connecting piece including install in left lower coupling (310), the joint on connecting axle (230) surface in a left side the upper left coupling (320) on coupling (310) surface, install in right lower coupling (330) and the joint on drive shaft (210) surface in the upper right coupling (340) on coupling (330) surface under the right side.

2. The shaft coupling for the submersible electric pump for the well according to claim 1, wherein the clamping member comprises a limiting groove (350) formed on the surfaces of the left lower coupling (310), the left upper coupling (320), the right lower coupling (330) and the right upper coupling (340), a limiting block (360) formed on one side of the limiting groove (350), and a limiting gear (370) arranged between the driving shaft (210) and the connecting shaft (230).

3. The shaft coupling for the submersible electric pump for the well as recited in claim 2, characterized in that the limit block (360) is clamped with a tooth groove on the surface of the limit gear (370).

4. The shaft coupling for the submersible electric pump for the well according to claim 2, wherein a fixing module (400) is arranged on the surface of the connecting module (300), and the fixing module (400) comprises a fixture block (410) connected to the surface of the limiting block (360) and a fixture groove (420) opened on the inner side of the limiting groove (350).

5. The shaft coupling for the submersible electric pump for wells according to claim 4, wherein the fixing module (400) further comprises a threaded hole (430) penetrating the left lower coupling (310) and the left upper coupling (320), the right lower coupling (330) and the right upper coupling (340), and a fixing bolt (440) connected to an inner wall of the threaded hole (430).

6. The shaft coupling for the submersible electric pump for wells according to claim 2, wherein plastic pads are disposed on both sides of the limit block (360).