CN219840821U - Water pump shaft connecting structure - Google Patents

Abstract

The utility model discloses a water pump shaft connecting structure which comprises a first shaft sleeve, wherein a first clamping ring is fixedly arranged at one end of the first shaft sleeve, a first flange is sleeved outside the first clamping ring, a second clamping ring is arranged at one end of the first clamping ring, a second flange is sleeved outside the second clamping ring, a fixing screw is arranged between the first flange and the second flange in a penetrating manner, a nut is spirally arranged at one end of the fixing screw, and a motor is arranged at one end of the first shaft sleeve. According to the utility model, the clamping blocks and the clamping holes are arranged, the first shaft sleeve is slowly rotated, so that the screw holes on the first shaft sleeve are aligned with the screw holes on the motor output shaft, the jackscrews enter the screw holes and are screwed up, the first shaft sleeve is fixed with the motor, and the clamping blocks on the second clamping ring are aligned with the clamping holes on the first clamping ring, so that the twisting force of the connecting part of the water pump shaft is reduced through the clamping blocks, and the working stability of the water pump is ensured.

Description

Water pump shaft connecting structure

Technical Field

The utility model relates to the technical field of water pumps, in particular to a water pump shaft connecting structure.

Background

A water pump is a machine that delivers or pressurizes a liquid. The mechanical energy or other external energy of the prime motor is transmitted to the liquid, so that the energy of the liquid is increased, the liquid is mainly used for conveying the liquid including water, oil, acid-alkali liquor, emulsion, suspension emulsion, liquid metal and the like, and also can be used for conveying liquid, gas mixture and liquid containing suspended solids.

Through retrieval, the patent with the publication number of CN212838544U discloses a water pump shaft connecting structure, which comprises a connecting rod and a connecting head, and is characterized in that the connecting rod is connected with the connecting head through a connecting body, the connecting body is made of elastic materials, and the end parts of the connecting rod, which are close to the connecting head, are axially separated by the connecting body.

The above patent suffers from the following disadvantages: the water pump can rotate at a high speed when being electrified, the stability of the connection of the water pump shaft is greatly tested, the connecting body of the device is directly connected with the connecting head, the water pump shaft can generate larger twisting force on the connecting position, the connecting position is easy to wear after long-time work, and the working performance of the water pump is influenced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a water pump shaft connecting structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a water pump shaft connection structure, includes first axle sleeve, first axle sleeve one end fixed mounting has first snap ring, first flange has been cup jointed to first snap ring outside, first snap ring one end is provided with the second snap ring, the second flange has been cup jointed to second snap ring outside, run through between first flange and the second flange and install the fixed screw, fixed screw one end screw mounting has the nut, first axle sleeve one end is provided with the motor.

Furthermore, second collar one end fixed mounting has the second axle sleeve, and first axle sleeve and second axle sleeve are inside all to be seted up the keyway.

Further, a shaft groove is formed in one side of the motor output shaft, a transmission key is movably mounted in the shaft groove, and the transmission key is movably clamped with the key groove.

Further, screw holes are formed in one sides of the motor output shaft, the first shaft sleeve and the second shaft sleeve, jackscrews are spirally arranged in the screw holes, and the first shaft sleeve is fixedly connected with the motor through the jackscrews.

Further, a plurality of clamping blocks are fixedly arranged at one end of the second shaft sleeve, a plurality of clamping holes are formed in one end of the first shaft sleeve, and the clamping blocks are movably clamped in the clamping holes.

Further, the motor output shaft is located inside the first shaft sleeve, and the inside of the first clamping ring and the inside of the second clamping ring are hollow.

Furthermore, the inner surfaces of the first shaft sleeve and the second shaft sleeve are respectively adhered with a heat conduction layer, and the surface of the heat conduction layer is electroplated with a wear-resisting layer.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the clamping blocks and the clamping holes are arranged, the first shaft sleeve is slowly rotated, so that the screw holes on the first shaft sleeve are aligned with the screw holes on the motor output shaft, the jackscrews enter the screw holes and are screwed up, the first shaft sleeve is fixed with the motor, and the clamping blocks on the second clamping ring are aligned with the clamping holes on the first clamping ring, so that the twisting force of the connecting part of the water pump shaft is reduced through the clamping blocks, and the working stability of the water pump is ensured.

2. According to the utility model, the first clamping ring and the second clamping ring are arranged, so that the noise generated by mutual friction between the motor output shaft and the connecting shaft during high-speed operation is prevented.

Drawings

FIG. 1 is a schematic view of an overall structure of a water pump shaft coupling structure according to the present utility model;

FIG. 2 is a schematic side view of a water pump shaft coupling according to the present utility model;

FIG. 3 is a schematic diagram showing the connection between the first sleeve and the first collar of the water pump shaft coupling structure according to the present utility model;

FIG. 4 is a schematic diagram illustrating the connection between a second sleeve and a second snap ring of a water pump shaft coupling structure according to the present utility model;

fig. 5 is a schematic diagram showing connection between a transmission key and a shaft groove of a water pump shaft connecting structure according to the present utility model.

In the figure: 1. a first sleeve; 2. a first snap ring; 3. a first flange; 4. a second snap ring; 5. a second flange; 6. a set screw; 7. a screw cap; 8. a motor; 9. a second sleeve; 10. a key slot; 11. a shaft groove; 12. a transmission key; 13. screw holes; 14. a jackscrew; 15. a clamping block; 16. and (5) clamping the hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a water pump shaft connection structure, including first axle sleeve 1 one end fixed mounting has first snap ring 2, first snap ring 2 outside has cup jointed first flange 3, first snap ring 2 one end is provided with second snap ring 4, second snap ring 4 outside has cup jointed second flange 5, run through between first flange 3 and the second flange 5 and install fixed screw 6, fixed screw 6 fixes first flange 3 and second flange 5, fixed screw 6 one end screw mounting has nut 7, the one end of fixed screw 6 is connected to nut 7, first axle sleeve 1 one end is provided with motor 8.

Referring to fig. 1-2, the present utility model is specifically: the second sleeve 9 is fixedly arranged at one end of the second clamping ring 4, and key grooves 10 are formed in the first sleeve 1 and the second sleeve 9.

Referring to fig. 1 to 5, the present utility model is specifically: the motor 8 is characterized in that a shaft groove 11 is formed in one side of an output shaft of the motor 8, a transmission key 12 is movably mounted in the shaft groove 11, the transmission key 12 is movably clamped with the key groove 10, the transmission key 12 is placed in the shaft groove 11, and the key groove 10 on the first shaft sleeve 1 is aligned with the transmission key 12 so that the first shaft sleeve 1 and the motor 8 are connected into a whole.

Referring to fig. 2 to 4, the present utility model is specifically: screw holes 13 are formed in one side of the output shaft of the motor 8, one side of the first shaft sleeve 1 and one side of the second shaft sleeve 9, jackscrews 14 are spirally arranged in the screw holes 13, the first shaft sleeve 1 is fixedly connected with the motor 8 through the jackscrews 14, the first shaft sleeve 1 is slowly rotated, the screw holes 13 on the first shaft sleeve 1 are aligned with the screw holes 13 on the output shaft of the motor 8, and the jackscrews 14 enter the screw holes 13 and are screwed tightly.

Referring to fig. 3-4, the present utility model is specifically: the second axle sleeve 9 one end fixed mounting has a plurality of fixture block 15, a plurality of draw-in hole 16 has been seted up to first axle sleeve 1 one end, fixture block 15 activity block is inside draw-in hole 16 for the water pump shaft reduces the torsional force of junction through a plurality of fixture blocks 16, ensures the stability of water pump work.

Referring to fig. 2-3, the present utility model is specifically: the motor 8 output shaft is located inside the first shaft sleeve 1, the inside of the first clamping ring 2 and the inside of the second clamping ring 4 are hollow, and noise generated by mutual friction between the motor 8 output shaft and the connecting shaft during high-speed operation is prevented.

Referring to fig. 3-4, the present utility model is specifically: the first shaft sleeve 1 and the second shaft sleeve 9 are both attached with a heat conducting layer on the inner surfaces, and are used for protecting the output shaft of the motor 8 from being affected by high temperature, and the surface of the heat conducting layer is electroplated with a wear-resisting layer, so that the wear degree of the output end of the motor 8 is reduced.

Working principle: firstly, a transmission key 12 is placed in a shaft groove 11, a key groove 10 on a first shaft sleeve 1 is aligned with the transmission key 12 to enable the first shaft sleeve 1 to be connected with a motor 8 into a whole, the first shaft sleeve 1 is slowly rotated to enable a screw hole 13 on the first shaft sleeve 1 to be aligned with a screw hole 13 on an output shaft of the motor 8, a jackscrew 14 enters the screw hole 13 and is screwed down, the first shaft sleeve 1 is fixed with the motor 8, a clamping block 15 on a second clamping ring 4 is aligned with a clamping hole 16 on a first clamping ring 2, a fixing screw 6 is used for fixing a first flange 3 and a second flange 5, and a gap space between the first clamping ring 2 and the second clamping ring 4 is used for preventing noise generated by mutual friction between the output shaft of the motor 8 and a connecting shaft during high-speed running.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

Claims (7)

1. The utility model provides a water pump shaft connection structure, its characterized in that, includes first axle sleeve (1), first axle sleeve (1) one end fixed mounting has first snap ring (2), first flange (3) have been cup jointed to first snap ring (2) outside, first snap ring (2) one end is provided with second snap ring (4), second flange (5) have been cup jointed to second snap ring (4) outside, run through between first flange (3) and second flange (5) and install fixed screw (6), nut (7) are installed to fixed screw (6) one end screw, first axle sleeve (1) one end is provided with motor (8).

2. The water pump shaft connecting structure according to claim 1, wherein a second shaft sleeve (9) is fixedly installed at one end of the second clamping ring (4), and key grooves (10) are formed in the first shaft sleeve (1) and the second shaft sleeve (9).

3. The water pump shaft connecting structure according to claim 1, wherein a shaft groove (11) is formed in one side of an output shaft of the motor (8), a transmission key (12) is movably mounted in the shaft groove (11), and the transmission key (12) is movably clamped with the key groove (10).

4. A water pump shaft connecting structure according to claim 3, characterized in that screw holes (13) are formed in one side of the output shaft of the motor (8), one side of the first shaft sleeve (1) and one side of the second shaft sleeve (9), jackscrews (14) are spirally arranged in the screw holes (13), and the first shaft sleeve (1) is fixedly connected with the motor (8) through the jackscrews (14).

5. The water pump shaft connecting structure according to claim 4, wherein a plurality of clamping blocks (15) are fixedly arranged at one end of the second shaft sleeve (9), a plurality of clamping holes (16) are formed at one end of the first shaft sleeve (1), and the clamping blocks (15) are movably clamped inside the clamping holes (16).

6. The water pump shaft connecting structure according to claim 4, wherein the output shaft of the motor (8) is located inside the first shaft sleeve (1), and the insides of the first clamping ring (2) and the second clamping ring (4) are hollow.

7. The water pump shaft connecting structure according to claim 6, wherein a heat conducting layer is attached to the inner surfaces of the first shaft sleeve (1) and the second shaft sleeve (9), and a wear-resistant layer is electroplated on the surface of the heat conducting layer.