CN208619372U

CN208619372U - Stainless steel MODEL VERTICAL MULTISTAGE PUMP

Info

Publication number: CN208619372U
Application number: CN201821340974.4U
Authority: CN
Inventors: 齐火荣
Original assignee: Fujian Yida Precision Casting Co Ltd
Current assignee: Fujian Yida Precision Casting Co Ltd
Priority date: 2018-08-20
Filing date: 2018-08-20
Publication date: 2019-03-19
Anticipated expiration: 2028-08-20

Abstract

The utility model discloses a kind of stainless steel MODEL VERTICAL MULTISTAGE PUMPs, including the pump housing and motor, the top and bottom sidewall, which is respectively equipped with, pumps out the mouth of a river and pump water inlet mouth, the inside of the pump housing is equipped with pump shaft, being fixedly connected sequentially from top to bottom on the side wall of the pump shaft has multiple impellers, the interior bottom of the pump housing is fixedly connected with the position-limit mechanism limited to pump shaft, the motor is located at the top of the pump housing, the motor is fixedly connected by attachment base with the upper end of the pump housing, the inside of the attachment base is equipped with connecting cavity, the output shaft of the motor with the upper end of pump shaft is fixedly connected through connecting cavity and by shaft coupling, sealing mechanism is fixedly connected between the attachment base and pump housing upper end side wall, the lower end of the pump housing is fixedly connected with supporting mechanism.The utility model is compact-sized, easy to operate, improves stability of the multistage pump in running, and reduce MODEL VERTICAL MULTISTAGE PUMP for the limitation of water outlet installation site.

Description

Stainless steel MODEL VERTICAL MULTISTAGE PUMP

Technical field

The utility model relates to multistage pump technical field more particularly to a kind of stainless steel MODEL VERTICAL MULTISTAGE PUMPs.

Background technique

MODEL VERTICAL MULTISTAGE PUMP is a kind of power-equipment that liquid energy is substantially improved, and operating pressure is bigger, because of its performance The advantages that range is wide preferably meets the requirement of user.

It the pump water inlet mouth of existing MODEL VERTICAL MULTISTAGE PUMP and pumps out the mouth of a river and is usually all disposed within the pump housing in bottom side of the wall The relative position of uniform level height, often pump water inlet mouth with pump out occupied when the mouth of a river is fixedly connected with extraneous pipeline it is a large amount of Space, therefore cause the installation of MODEL VERTICAL MULTISTAGE PUMP that there is certain limitation；Simultaneously because operating pressure is big, pumps intracorporal pump shaft and exist Height is easy to appear serious shaking during operating, and it is poor often to will cause pump housing running stability, therefore the work to multistage pump Stability has an impact.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and the stainless steel vertical multi-stage proposed Pump.

In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of stainless steel vertical multi-stage Pump, including the pump housing and motor, the top and bottom sidewall of the pump housing, which is respectively equipped with, pumps out the mouth of a river and pump water inlet mouth, the inside of the pump housing Being fixedly connected sequentially from top to bottom equipped with pump shaft, on the side wall of the pump shaft has multiple impellers, and the interior bottom of the pump housing is fixed It is connected with the position-limit mechanism limited to pump shaft, the motor is located at the top of the pump housing, and the motor passes through attachment base and pump The upper end of body is fixedly connected, and the inside of the attachment base is equipped with connecting cavity, and the output shaft of the motor through connecting cavity and passes through Shaft coupling is fixedly connected with the upper end of pump shaft, is fixedly connected with sealing mechanism between the attachment base and pump housing upper end side wall, institute The lower end for stating the pump housing is fixedly connected with supporting mechanism.

Preferably, the pump water inlet mouth and the mouth of a river is pumped out far from being fixedly connected to the first connection on one end side wall of the pump housing Flange and the second connecting flange.

Preferably, the sealing mechanism includes the junction steel plate being fixedly connected between attachment base and the pump housing, the connection The middle part of steel plate is equipped with pump shaft through hole, and mechanical seal is equipped at pump shaft through hole, and leads between attachment base and junction steel plate Mounting screw is crossed to be fixedly connected.

Preferably, the supporting mechanism includes the bottom plate for being fixedly connected on pump housing lower end, and the lower end of the bottom plate is solid Surely it is connected with support base.

Preferably, the outside of the pump housing is symmetrical arranged there are two reinforcing rib, and the upper and lower side of two reinforcing ribs is distinguished It is fixedly connected with the opposing sidewalls of junction steel plate and bottom plate.

Preferably, the position-limit mechanism includes the elastic cushion for being fixedly connected on bottom in the pump housing, the elastic cushion and pump shaft Position be correspondingly arranged, the upper end of the elastic cushion is fixedly connected with limited block, and the upper end of the limited block is equipped with and pump shaft position Corresponding rotation slot is set, and the lower end of pump shaft is rotatably connected in rotation slot.

The utility model has the following beneficial effects:

1, the pump housing is set on the side wall of upper end by the way that the mouth of a river will be pumped out, pump water inlet mouth is arranged with the mouth of a river is pumped out not The position of same level height reduces the pump water inlet mouth of the pump housing and pumps out the installation space of mouth of a river same level, therefore reduces Limitation of the MODEL VERTICAL MULTISTAGE PUMP for water outlet installation site.

2, by the way that sealing mechanism is arranged between attachment base and pump housing upper end side wall, pump body liquid has been helped to improve The leakproofness of movement.

3, by the position-limit mechanism that bottom setting limits pump shaft in the pump housing, avoid pump shaft in the process of running at high speed Middle appearance is excessively shaken, and stability of the pump housing in running is helped to improve.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of stainless steel MODEL VERTICAL MULTISTAGE PUMP in embodiment.

Fig. 2 is the partial side elevation view of stainless steel MODEL VERTICAL MULTISTAGE PUMP in embodiment.

Fig. 3 is the front view of stainless steel MODEL VERTICAL MULTISTAGE PUMP in embodiment.

In figure: the 1-pump housing, 2-pump water inlet mouths, 3-pump out the mouth of a river, 4-bottom plates, 5-junction steel plates, 6-attachment bases, 7-motors, 8-shaft couplings, 9-pump shafts, 10-impellers, 11-mechanical seals, 12-mounting screws, the 13-the first connection method Orchid, the 14-the second connecting flange, 15-support bases, 16-reinforcing ribs, 17-position-limit mechanisms.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1-3, the stainless steel MODEL VERTICAL MULTISTAGE PUMP of the utility model, including the pump housing 1 and motor 7, the pump housing 1 up and down Side wall, which is respectively equipped with, pumps out the mouth of a river 3 and pump water inlet mouth 2, pump water inlet mouth 2 and pump out the mouth of a river 3 far from one end side wall of the pump housing 1 It is fixedly connected with the first connecting flange 13 and the second connecting flange 14, the first connecting flange 13 and the second connecting flange 14 facilitate It is connected with external water pipe, is easily installed.

The inside of the pump housing 1 is equipped with pump shaft 9, and being fixedly connected sequentially from top to bottom on the side wall of pump shaft 9 has multiple impellers 10, leads to Crossing motor 7 drives pump shaft 9 to be operated, and impeller 10 runs at high speed pump shaft 9 during rotation, the interior bottom of the pump housing 1 Portion is fixedly connected with the position-limit mechanism 17 limited to pump shaft 9, and position-limit mechanism plays limit well to the operating of pump shaft 9 and makees With improving the stability of pump shaft 9 during rotation, position-limit mechanism 17 includes the elasticity for being fixedly connected on bottom in the pump housing 1 Pad, the position of elastic cushion and pump shaft 9 are correspondingly arranged, and the upper end of elastic cushion is fixedly connected with limited block, and the upper end of limited block is equipped with Rotation slot corresponding with 9 position of pump shaft, elastic cushion have certain elastic reaction, can play certain buffer function, and pump shaft 9 Lower end be rotatably connected in rotation slot.

Motor 7 is located at the top of the pump housing 1, and motor 7 is fixedly connected by attachment base 6 with the upper end of the pump housing 1, attachment base 6 Inside is equipped with connecting cavity, and the output shaft of motor 7 with the upper end of pump shaft 9 is fixedly connected through connecting cavity and by shaft coupling 8, is connected Sealing mechanism is fixedly connected between seat 6 and 1 upper end side wall of the pump housing, sealing mechanism includes being fixedly connected on attachment base 6 and the pump housing 1 Between junction steel plate 5, the middle part of junction steel plate 5 is equipped with pump shaft through hole, and mechanical seal 11, machine are equipped at pump shaft through hole Tool sealing 11 helps to improve the leakproofness of the pump housing 1 at work, and passes through mounting screw between attachment base 6 and junction steel plate 5 12 are fixedly connected, and the lower end of the pump housing 1 is fixedly connected with supporting mechanism, mounting screw 12 be convenient for by attachment base 6 and junction steel plate 5 into Row disassembly, supporting mechanism includes the bottom plate 4 for being fixedly connected on 1 lower end of the pump housing, and the lower end of bottom plate 4 is fixedly connected with support base 15.

In order to improve the running stability of the pump housing 1, it is symmetrical arranged in the outside of the pump housing 1 there are two reinforcing rib 16, two add The upper and lower side of strengthening tendons 16 is fixedly connected with the opposing sidewalls of junction steel plate 5 and bottom plate 4 respectively, is arranged in junction steel plate 5 and bottom plate 4 Between two reinforcing ribs 16, improve the robustness of multistage pump.

In the utility model, by being arranged pump water inlet mouth 2 in non-same level with the mouth of a river 3 is pumped out, reduce pump The pump water inlet mouth 2 of body 1 and the installation space of 3 same level of the mouth of a river is pumped out, therefore is greatly reduced MODEL VERTICAL MULTISTAGE PUMP for going out The limitation of water installation site is carrying out driving pump shaft 9 to carry out high-speed rotation in use, motor 7 passes through shaft coupling 8, pump shaft 9 Lower end is rotated with the position-limit mechanism 17 on bottom in the pump housing 1, the elastic cushion of position-limit mechanism 17 and the connection structure of limited block Good position-limiting action is played to the rotation of pump shaft 9, the stability that pump shaft 9 operates is improved during running at high speed, thus The running stability for improving multistage pump, avoids multistage pump from shaking at work.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of stainless steel MODEL VERTICAL MULTISTAGE PUMP, including the pump housing and motor, which is characterized in that the top and bottom sidewall of the pump housing is set respectively The mouth of a river and pump water inlet mouth are pumped out, the inside of the pump housing is equipped with pump shaft, successively fixes from top to bottom on the side wall of the pump shaft Multiple impellers are connected with, the interior bottom of the pump housing is fixedly connected with the position-limit mechanism limited to pump shaft, the motor position In the top of the pump housing, the motor is fixedly connected by attachment base with the upper end of the pump housing, and the inside of the attachment base is equipped with connection The output shaft of chamber, the motor with the upper end of pump shaft is fixedly connected through connecting cavity and by shaft coupling, the attachment base and pump Sealing mechanism is fixedly connected between the side wall of body upper end, the lower end of the pump housing is fixedly connected with supporting mechanism.

2. stainless steel MODEL VERTICAL MULTISTAGE PUMP according to claim 1, which is characterized in that the pump water inlet mouth is remote with the mouth of a river is pumped out The first connecting flange and the second connecting flange are fixedly connected on one end side wall from the pump housing.

3. stainless steel MODEL VERTICAL MULTISTAGE PUMP according to claim 1, which is characterized in that the sealing mechanism includes being fixedly connected The middle part of junction steel plate between attachment base and the pump housing, the junction steel plate is equipped with pump shaft through hole, and at pump shaft through hole It is fixedly connected equipped with mechanical seal, and between attachment base and junction steel plate by mounting screw.

4. stainless steel MODEL VERTICAL MULTISTAGE PUMP according to claim 1, which is characterized in that the supporting mechanism includes being fixedly connected The lower end of bottom plate in pump housing lower end, the bottom plate is fixedly connected with support base.

5. stainless steel MODEL VERTICAL MULTISTAGE PUMP according to claim 3 or 4, which is characterized in that the outside of the pump housing is symmetrically set It sets there are two reinforcing rib, the upper and lower side of two reinforcing ribs is fixedly connected with the opposing sidewalls of junction steel plate and bottom plate respectively.

6. stainless steel MODEL VERTICAL MULTISTAGE PUMP according to claim 1, which is characterized in that the position-limit mechanism includes being fixedly connected The position of the elastic cushion of bottom in the pump housing, the elastic cushion and pump shaft is correspondingly arranged, and the upper end of the elastic cushion is fixedly connected There is limited block, the upper end of the limited block is equipped with rotation slot corresponding with pump shaft position, and the lower end of pump shaft is rotatably connected on In dynamic slot.