CN208123117U - A kind of centrifugal pump of mechanical seal - Google Patents

Abstract

The utility model discloses a kind of centrifugal pumps of mechanical seal,Its structure includes water inlet,Water outlet,Screw hole,Controller,Motor,Rear cover,Pedestal,Front cover,Water inlet and front cover are on the same axis,Water outlet is installed on front cover upper end,Water outlet is integrated with screw hole,It is mutually welded with motor upper end controller lower end,Motor and rear cover are on the same axis,Pedestal is installed on motor lower end,Front cover includes anticreep frame,Bearing,Shell,Fixed frame,Shaft,Convex block is installed,Fixed frame is installed on the right side of bearing,Shaft and installation convex block are on the same axis,Motor rotates shaft,Shaft will be connect by installation convex block with impeller,Impeller is integrated with casing,So that liquid will not be immersed into shaft through impeller and casing,In the work of shaft impeller,It is too fast so that shaft disengaging installation convex block that anticreep frame places wheel speed,Drive shaft and conducting fluid are separated,Prevent liquid from will flow into inside driving motor,It damages.

Description

A kind of centrifugal pump of mechanical seal

Technical field

The utility model is a kind of centrifugal pump of mechanical seal, belongs to the neck of industrial centrifugal pump mechanical sealing running protection Domain.

Background technique

The conveying of processing medium mostly uses centrifugal pump pressurized delivered mode in commercial plant, and the cycle of operation of centrifugal pump is straight It connects and influences the stable of device, pump shaft of centrifugal pump and the sealing between the pump housing use mechanical seal.

Prior art discloses application No. is：201520127273.2 a kind of mechanical seal centrifugal pump, structure packet Include centrifugal pump pump discharge pipe between pump inlet pipe install circulation technology pipeline, circulation technology pipeline one end installation site pump into Below, other end installation site is before pump discharge valve, but the prior art is in pump housing work for mouthful valve, due to Equipment is easily destroyed sealing net in high-speed rotation, causes liquid that will flow into inside driving motor, damages.

Utility model content

In view of the deficienciess of the prior art, the utility model aim is to provide a kind of centrifugal pump of mechanical seal, with solution It is certainly existing the pump housing work when, since equipment is in high-speed rotation, be easily destroyed sealing net, cause liquid that will flow into driving motor Inside, the problem of damaging.

To achieve the goals above, the utility model is to realize by the following technical solutions：A kind of mechanical seal Centrifugal pump, structure include water inlet, water outlet, screw hole, controller, motor, rear cover, pedestal, front cover, the water inlet with On the same axis, the water outlet is installed on front cover upper end to front cover, and the water outlet is integrated with screw hole, described Controller lower end is mutually welded with motor upper end, and on the same axis, the pedestal is installed on motor lower end for the motor and rear cover, The front cover includes anticreep frame, bearing, shell, fixed frame, shaft, installation convex block, impeller, casing, and the anticreep frame is installed on On the left of bearing, the shell is integrated with water inlet, and the fixed frame is installed on the right side of bearing, the shaft and installation On the same axis, it is convex that the installation convex block and impeller are equipped with installation to convex block on the same axis, between the impeller and shaft Block, the bearing are set between anticreep frame and fixed frame, and the anticreep frame is installed on shaft upper end, and the bearing is installed on shaft On the same axis, the fixed frame is installed on shaft upper end for upper end, the shaft and impeller, and described sleeve pipe and anticreep frame are one Body structure.

Further, motor is equipped between the rear cover and front cover.

Further, the rear cover and front cover be on the same axis.

Further, the shell is integrated with water outlet.

Further, the water inlet and rear cover be on the same axis.

Further, the rear cover uses stainless steel material, firm resistance to air corrosion.

Further, the shaft uses iron material matter, firm to be unlikely to deform.

Beneficial effect

A kind of centrifugal pump of mechanical seal of the utility model, motor rotate shaft, and shaft will be convex by installing Block is connect with impeller, and impeller is integrated with casing, so that liquid will not be immersed into shaft through impeller and casing, is driven in shaft When impeller works, anticreep frame placement wheel speed is too fast so that shaft is detached from installation convex block, by drive shaft and conducting fluid point Every, prevent liquid will flow into driving motor inside, damage.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon：

Fig. 1 is a kind of structural schematic diagram of the centrifugal pump of mechanical seal of the utility model；

Fig. 2 is a kind of structural schematic diagram of the centrifugal pump front cover of mechanical seal of the utility model.

In figure：Water inlet -1, water outlet -2, screw hole -3, controller -4, motor -5, rear cover -6, pedestal -7, front cover -8, Anticreep frame -801, bearing -802, shell -803, fixed frame -804, shaft -805, installation convex block -806, impeller -807, casing - 808。

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

Fig. 1, Fig. 2 are please referred to, the utility model provides a kind of centrifugal pump technical solution of mechanical seal：Its structure include into The mouth of a river 1, water outlet 2, screw hole 3, controller 4, motor 5, rear cover 6, pedestal 7, front cover 8, the water inlet 1 is with front cover 8 same On one axis, the water outlet 2 is installed on 8 upper end of front cover, and the water outlet 2 is integrated with screw hole 3, the control 4 lower end of device is mutually welded with 5 upper end of motor, and on the same axis with rear cover 6, the pedestal 7 is installed under motor 5 motor 5 End, the front cover 8 include anticreep frame 801, bearing 802, shell 803, fixed frame 804, shaft 805, installation convex block 806, impeller 807, casing 808, the anticreep frame 801 are installed on 802 left side of bearing, and the shell 803 is integrated with water inlet 1, The fixed frame 804 is installed on the right side of bearing 802, the shaft 805 with installation convex block 806 on the same axis, the installation Convex block 806 and impeller 807 are equipped with installation convex block 806, the bearing on the same axis, between the impeller 807 and shaft 805 802 are set between anticreep frame 801 and fixed frame 804, and the anticreep frame 801 is installed on 805 upper end of shaft, and the bearing 802 is pacified Loaded on 805 upper end of shaft, on the same axis with impeller 807, the fixed frame 804 is installed in shaft 805 shaft 805 End, described sleeve pipe 808 are integrated with anticreep frame 801, and motor 5, the rear cover 6 are equipped between the rear cover 6 and front cover 8 On the same axis with front cover 8, the shell 803 is integrated with water outlet 2, and the water inlet 1 is with rear cover 6 same On axis, the rear cover 6 uses stainless steel material, firm resistance to air corrosion, and the shaft 805 uses iron material matter, firm to be not easy Deformation.

Shaft 805 described in this patent as its name suggests be connect zero main part of product must use, for rotating work Not only moment of flexure had been born in work but also has born the axis of torque, and the bearing 802 is a kind of important spare part in contemporary mechanical equipment, its master Wanting function is to support mechanical rotary body, reduces the coefficient of friction in its motion process, and guarantee its rotating accuracy.

When use, motor 5 rotates shaft 805, and shaft 805 will pass through installation convex block 806 and impeller 807 connections, impeller 807 are integrated with casing 808, so that liquid will not be immersed into shaft 808 through impeller 807 and casing 808, In the work of 805 impeller 807 of shaft, placement 807 revolving speed of impeller of anticreep frame 801 is too fast so that the disengaging installation of shaft 805 is convex Block 806.

The utility model is solved in pump housing work, since equipment is in high-speed rotation, is easily destroyed sealing net, is caused Liquid will flow into inside driving motor, and the problem of damaging, the utility model is combined with each other by above-mentioned component, and motor makes It obtains shaft to rotate, shaft will be connect by installation convex block with impeller, and impeller is integrated with casing, so that liquid will not penetrate Impeller and casing are immersed into shaft, and in the work of shaft impeller, it is too fast so that shaft is detached from that anticreep frame places wheel speed Convex block is installed, drive shaft and conducting fluid are separated, prevents liquid from will flow into inside driving motor, damages.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes are embraced therein.It should not treat any reference in the claims as limiting related right It is required that.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (5)

1. a kind of centrifugal pump of mechanical seal, it is characterised in that：Its structure includes water inlet (1), water outlet (2), screw hole (3), controller (4), motor (5), rear cover (6), pedestal (7), front cover (8), the water inlet (1) and front cover (8) are in same axis On line, the water outlet (2) is installed on front cover (8) upper end, and the water outlet (2) is integrated with screw hole (3), described Controller (4) lower end is mutually welded with motor (5) upper end, the motor (5) and rear cover (6) on the same axis, the pedestal (7) Be installed on motor (5) lower end, the front cover (8) include anticreep frame (801), bearing (802), shell (803), fixed frame (804), Shaft (805), installation convex block (806), impeller (807), casing (808), the anticreep frame (801) are installed on bearing (802) left side Side, the shell (803) are integrated with water inlet (1), and the fixed frame (804) is installed on the right side of bearing (802), institute State shaft (805) and installation convex block (806) on the same axis, the installation convex block (806) and impeller (807) are in same axis On, installation convex block (806) is equipped between the impeller (807) and shaft (805), the bearing (802) is set to anticreep frame (801) Between fixed frame (804), the anticreep frame (801) is installed on shaft (805) upper end, and the bearing (802) is installed on shaft (805) upper end, on the same axis, the fixed frame (804) is installed on shaft (805) for the shaft (805) and impeller (807) Upper end, described sleeve pipe (808) are integrated with anticreep frame (801).

2. a kind of centrifugal pump of mechanical seal according to claim 1, it is characterised in that：The rear cover (6) and front cover (8) Between be equipped with motor (5).

3. a kind of centrifugal pump of mechanical seal according to claim 1, it is characterised in that：The rear cover (6) and front cover (8) On the same axis.

4. a kind of centrifugal pump of mechanical seal according to claim 1, it is characterised in that：The shell (803) and water outlet Mouth (2) is integrated.

5. a kind of centrifugal pump of mechanical seal according to claim 1, it is characterised in that：The water inlet (1) and rear cover (6) on the same axis.