CN204532876U - A kind of water pump - Google Patents

Abstract

The utility model provides a kind of water pump, comprise base, the pump housing, impeller and motor, the described pump housing and motor are located on base, described motor is provided with main shaft, described impeller to be arranged in the pump housing and to be connected with one end of main shaft, described main shaft is provided with mechanical seal device, it is characterized in that described base bottom both sides are provided with movable pulley, described mechanical seal device comprises axle sleeve, machine envelope stationary ring and machine envelope rotating ring is connected in the outer cover of axle sleeve, machine envelope stationary seat is connected at machine envelope stationary ring and machine envelope rotating ring outer cover, machine envelope stationary seat one end is provided with machine envelope washing solution entrance, machine envelope stationary seat seals the relative one end of washing solution entrance to be provided with machine and to seal washing solution with machine and export, described impeller comprises lower cover, upper cover plate and the some blades be arranged between lower cover and upper cover plate, the utility model has long service life, noise is little, can not leakage phenomenon be there is and be convenient to the features such as mobile.

Description

A kind of water pump

Technical field

The utility model relates to a kind of water pump.

Background technique

Existing water pump comprises base, the pump housing, impeller and motor, and the described pump housing and motor are located on base, and described motor is provided with main shaft, and described impeller to be arranged in the pump housing and to be connected with one end of main shaft, and described main shaft is provided with mechanical seal device.Existing water pump has the following disadvantages: one is because the weight of the pump housing is large, mobile very inconvenient; Two is that existing mechanical seal device easily produces leakage problem, affects environment; Three are impellers of existing water pump is generally all integral casting forming, not only easily produces trachoma, affects the working life of impeller, and its dynamic balancing and static balancing aspect poor, after High Rotation Speed, noise is large.

Model utility content

The purpose of this utility model provides a kind of long service life for above-mentioned situation exactly, and noise is little, leakage phenomenon can not occur and be convenient to the water pump of movement.The purpose of this utility model realizes by following scheme: a kind of water pump, comprise base, the pump housing, impeller and motor, the described pump housing and motor are located on base, described motor is provided with main shaft, described impeller to be arranged in the pump housing and to be connected with one end of main shaft, described main shaft is provided with mechanical seal device, it is characterized in that described base bottom both sides are provided with movable pulley, is convenient to mobile, described mechanical seal device comprises axle sleeve, machine envelope stationary ring and machine envelope rotating ring is connected in the outer cover of axle sleeve, form friction pair, machine envelope stationary seat is connected at machine envelope stationary ring and machine envelope rotating ring outer cover, machine envelope stationary seat one end is provided with machine envelope washing solution entrance, described machine envelope washing solution ingress is provided with throttle, machine envelope stationary seat seals the relative one end of washing solution entrance to be provided with machine and to seal washing solution with machine and export, the outlet of machine envelope washing solution is connected to pump housing ingress by reflux pipeline, machine envelope rotating ring seals rotating seat by 6-8 flexible compensation springs and machine and is connected, machine envelope rotating seat is socketed in axle sleeve outside, the utility model mechanical seal rinsing liquid is ingress engine envelope washing solution entrance after throttle throttling, dynamic from machine envelope washing solution entrance ingress engine envelope, the friction pair chamber that stationary ring is formed, for friction pair plays cooling, lubrication, the machine envelope washing solution outlet that machine envelope stationary seat opposite side is arranged can make mechanical seal reflux liquid introduce the entrance of the pump housing from here through reflux pipeline, because pump housing entrance is negative pressure, easy realization backflow, ensure that mechanical seal is not because causing mechanical seal leakage when negative pressure pump shaft vibration causes friction pair to depart from, described impeller comprises lower cover, upper cover plate and the some blades be arranged between lower cover and upper cover plate, described lower cover comprises circular lower disk body and is arranged on the axis hole at lower disk body center, the height of this axis hole is higher than the card of lower disk body, this lower disk body is provided with some lower caulking grooves suitable with blade shape, this lower caulking groove is uniform relative to lower disk body center circumferential, this lower disk body adopts precision casting or forging molding, make lower disk body whole dense structure and evenly, the dynamic balancing of impeller and static balancing are guaranteed, reduce noise, when impeller is fixed on main shaft, lower disk body mainly bears moment of torsion, therefore, precision casting or forging molding is adopted to make the long service life of impeller, described upper cover plate comprises circular upper disk body and is arranged on the convex extension part at disk body center, this convex extension part is provided with the fluid inlet of through upper cover plate, disk body is provided with for this some upper embedded holes uniform relative to upper cover body center circumferential, through or the through upper disk body of part of this upper embedded hole, described blade amt is ten, wherein five linear leafs, five short blades, linear leaf and short blade spaced and uniform relative to the center circumferential of lower disk body, described linear leaf comprises three-dimensional curve section and two-dimentional arcuate segment, lower caulking groove on described lower disk body comprises and coordinates five corresponding long lower caulking grooves with five linear leafs, five corresponding short lower caulking grooves are coordinated with five short blades, described linear leaf is embedded in long lower caulking groove, short blade is embedded in short lower caulking groove, described linear leaf and short blade weld with lower disk body, described upper cover plate buckle closure is on lower cover, the center superposition of upper cover plate and lower cover, the upper end of described blade is embedded in the upper embedded hole of upper cover plate, the length of described upper embedded hole and blade Corresponding matching.The utility model has long service life, and noise is little, leakage phenomenon can not occur and be convenient to the features such as mobile.

Accompanying drawing explanation

Fig. 1, the utility model structural representation.

Fig. 2, mechanical seal device structural representation.

Fig. 3, does not weld the perspective view of the lower cover of blade.

Fig. 4, does not weld the perspective view of the upper cover plate of blade.

Fig. 5, the perspective view of the lower cover of welding blade.

Fig. 6, blade wheel structure stereogram.

Embodiment

Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 are known in contrast, a kind of water pump, comprise base 1, the pump housing 2, impeller 3 and motor 4, the described pump housing and motor are located on base, described motor is provided with main shaft 5, described impeller to be arranged in the pump housing and to be connected with one end of main shaft, and described main shaft is provided with mechanical seal device 6, it is characterized in that described base bottom both sides are provided with movable pulley 7, described mechanical seal device comprises axle sleeve 8, machine envelope stationary ring 9 and machine envelope rotating ring 10 is connected in the outer cover of axle sleeve, form friction pair, machine envelope stationary seat 11 is connected at machine envelope stationary ring and machine envelope rotating ring outer cover, machine envelope stationary seat one end is provided with machine envelope washing solution entrance 12, described machine envelope washing solution ingress is provided with throttle, machine envelope stationary seat seals the relative one end of washing solution entrance to be provided with machine and to seal washing solution with machine and export 13, the outlet of machine envelope washing solution is connected to pump housing ingress by reflux pipeline, machine envelope rotating ring seals rotating seat 15 by 6-8 flexible compensation springs 14 with machine and is connected, machine envelope rotating seat is socketed in axle sleeve outside, described impeller comprises lower cover 16, upper cover plate 17 and the some blades 18 be arranged between lower cover and upper cover plate, described lower cover comprises circular lower disk body 19 and is arranged on the axis hole 20 at lower disk body center, the height of this axis hole is higher than the card of lower disk body, this lower disk body is provided with some lower caulking grooves 21 suitable with blade shape, this lower caulking groove is uniform relative to lower disk body center circumferential, described upper cover plate comprises circular upper disk body 22 and is arranged on the convex extension part 23 at disk body center, this convex extension part is provided with the fluid inlet of through upper cover plate, disk body is provided with for this some upper embedded holes 24 uniform relative to upper cover body center circumferential, through or the through upper disk body of part of this upper embedded hole, described blade amt is ten, wherein five linear leafs, five short blades, linear leaf and short blade spaced and uniform relative to the center circumferential of lower disk body, described linear leaf comprises three-dimensional curve section 25 and two-dimentional arcuate segment 26, lower caulking groove on described lower disk body comprises and coordinates five corresponding long lower caulking grooves with five linear leafs, five corresponding short lower caulking grooves are coordinated with five short blades, described linear leaf is embedded in long lower caulking groove, short blade is embedded in short lower caulking groove, described linear leaf and short blade weld with lower disk body, described upper cover plate buckle closure is on lower cover, the center superposition of upper cover plate and lower cover, the upper end of described blade is embedded in the upper embedded hole of upper cover plate, the length of described upper embedded hole and blade Corresponding matching.

Claims (1)

1. a water pump, comprise base (1), the pump housing (2), impeller (3) and motor (4), the described pump housing and motor are located on base, described motor is provided with main shaft (5), described impeller to be arranged in the pump housing and to be connected with one end of main shaft, described main shaft is provided with mechanical seal device (6), it is characterized in that described base bottom both sides are provided with movable pulley (7), described mechanical seal device comprises axle sleeve (8), machine envelope stationary ring (9) and machine envelope rotating ring (10) is connected in the outer cover of axle sleeve, form friction pair, machine envelope stationary seat (11) is connected at machine envelope stationary ring and machine envelope rotating ring outer cover, machine envelope stationary seat one end is provided with machine envelope washing solution entrance (12), described machine envelope washing solution ingress is provided with throttle, machine envelope stationary seat seals the relative one end of washing solution entrance to be provided with machine and to seal washing solution with machine and export (13), the outlet of machine envelope washing solution is connected to pump housing ingress by reflux pipeline, machine envelope rotating ring seals rotating seat (15) by 6-8 flexible compensation springs (14) with machine and is connected, machine envelope rotating seat is socketed in axle sleeve outside, described impeller comprises lower cover (16), upper cover plate (17) and the some blades (18) be arranged between lower cover and upper cover plate, described lower cover comprises circular lower disk body (19) and is arranged on the axis hole (20) at lower disk body center, the height of this axis hole is higher than the card of lower disk body, this lower disk body is provided with some lower caulking grooves (21) suitable with blade shape, this lower caulking groove is uniform relative to lower disk body center circumferential, described upper cover plate comprises circular upper disk body (22) and is arranged on the convex extension part (23) at disk body center, this convex extension part is provided with the fluid inlet of through upper cover plate, disk body is provided with for this some upper embedded holes (24) uniform relative to upper cover body center circumferential, through or the through upper disk body of part of this upper embedded hole, described blade amt is ten, wherein five linear leafs, five short blades, linear leaf and short blade spaced and uniform relative to the center circumferential of lower disk body, described linear leaf comprises three-dimensional curve section (25) and two-dimentional arcuate segment (26), lower caulking groove on described lower disk body comprises and coordinates five corresponding long lower caulking grooves with five linear leafs, five corresponding short lower caulking grooves are coordinated with five short blades, described linear leaf is embedded in long lower caulking groove, short blade is embedded in short lower caulking groove, described linear leaf and short blade weld with lower disk body, described upper cover plate buckle closure is on lower cover, the center superposition of upper cover plate and lower cover, the upper end of described blade is embedded in the upper embedded hole of upper cover plate, the length of described upper embedded hole and blade Corresponding matching.