CN217129820U

CN217129820U - High-efficient no leakage volute pump

Info

Publication number: CN217129820U
Application number: CN202220724700.5U
Authority: CN
Inventors: 何佳
Original assignee: Jiangsu Hanna Pump Industry Co ltd
Current assignee: Jiangsu Hanna Pump Industry Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-05
Anticipated expiration: 2032-03-31

Abstract

The utility model relates to a high-efficient no leakage volute pump, which comprises a motor, the pump case is installed to the front end of motor, the impeller is installed in the outside of motor shaft, just the impeller is located the inside of pump case, the both sides of impeller are provided with the blade, the front end of pump case has the pump cover through the bolt fastening, the pump case with sealed the pad is installed to the centre of pump cover, top in the pump case with a mounting groove has all been seted up to the inboard top of pump cover, the inside sliding connection of mounting groove has the pole of scraping water. The utility model relates to a high-efficient no leakage volute pump sets up through upper portion in the pump case and the inboard top of pump cover and scrapes water pole and spring to the contact surface that will scrape water pole and blade sets up to the slope form, when the blade drives transmission medium and rotates, utilizes the elastic fixation of scraping the water pole and the sliding fit of blade, can block most transmission medium's backward flow, thereby has promoted the output efficiency of device.

Description

High-efficient no leakage volute pump

Technical Field

The utility model relates to a volute pump technical field specifically is a high-efficient no leakage volute pump.

Background

The vortex pump is a vane type pump, which sucks and discharges liquid by the action of vortex motion generated by liquid when an impeller rotates, so that the vortex pump is named, has small flow and high lift, and is suitable for conveying liquid or gas-liquid mixture with viscosity not more than 5 DEG E and without solid particles and impurities.

In the operation process of volute pump, transmission medium can follow the rotation of impeller and blade and take place the backward flow, leads to the conveying efficiency of pump machine relatively lower, leads to the limitation of device relatively great, and meanwhile, transmission medium can continue to strike the connection gap of pump cover at rotatory flow in-process, leads to sealing gasket to cause the damage easily, influences the sealing performance of device, leads to transmission medium to take place to leak.

Therefore, there is a need for a high-efficiency leakage-free volute pump that can operate efficiently and has good sealing performance.

Disclosure of Invention

An object of the utility model is to overcome above-mentioned not enough, provide a can high-efficient no leakage volute pump that high-efficient operation and leakproofness are good.

The purpose of the utility model is realized like this:

the utility model provides a high-efficient no leakage volute pump, includes the motor, the pump case is installed to the front end of motor, the impeller is installed in the outside of motor shaft, just the impeller is located the inside of pump case, the both sides of impeller are provided with the blade, the front end of pump case has the pump cover through the bolt fastening, the pump case with sealed the pad is installed to the centre of pump cover, top in the pump case with a mounting groove has all been seted up to the inboard top of pump cover, the inside sliding connection of mounting groove has the pole of scraping, the mounting groove with the spring is installed to the centre of scraping the pole, the front side of pump case with the fixed slot has been seted up to the inboard of pump cover, the internally mounted of fixed slot has the guard ring.

Preferably, a circular through hole is formed in the middle of the pump shell, and the pump shell is connected with the rotating shaft of the motor in a sealing rotation mode.

Preferably, the blades are arranged in a plurality of positions in a circumferential arrangement manner.

Preferably, the water scraping rod is of a long strip-shaped rod-shaped structure, and the contact surface of the water scraping rod and the blade is inclined.

Preferably, the fixing groove is of a circular groove-shaped structure.

Preferably, the protection ring is of a circular ring-shaped structure, and a circular ring-shaped groove with a triangular cross section is formed in the inner side of the protection ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model relates to a high-efficient no leakage volute pump, through setting up the wiping pole and spring in the upper portion in the pump case and the inboard top of pump cover, and set up the contact surface of wiping pole and blade to be the slope form, when the blade drives transmission medium and rotates, utilize the elastic fixation of wiping pole and the sliding fit of blade, can block the backward flow of most transmission medium, thus has promoted the output efficiency of device;

2. the utility model relates to a high-efficient no leakage volute pump is through offering the fixed slot at the connection face of pump case and pump cover to at the internally mounted guard ring of fixed slot, not only can make things convenient for the location and the installation of pump cover, can also shelter from the connection gap of pump cover and pump case, wash away and damage sealed the pad with preventing transmission medium to this connection gap, lead to the device to take place to leak, thereby hoisting device's sealing performance.

Drawings

Fig. 1 is a schematic view of an exploded structure of a pump case of a high-efficiency leakage-free vortex pump.

Fig. 2 is the overall structure schematic diagram of the high-efficiency leakage-free vortex pump of the present invention.

Fig. 3 is the utility model relates to a structural schematic diagram of inboard department of pump cover in high-efficient no leakage volute pump.

Fig. 4 is the schematic view of the sectional structure of the mounting groove of the high-efficiency leakage-free peripheral pump.

Fig. 5 is a schematic diagram of a sectional structure of a protection ring in the high-efficiency leakage-free peripheral pump of the present invention.

Wherein: the device comprises a motor 1, a pump shell 2, an impeller 3, blades 4, a pump cover 5, a sealing gasket 6, a mounting groove 7, a water scraping rod 8, a spring 9, a fixing groove 10 and a protective ring 11.

Detailed Description

Referring to fig. 1 to 5, the utility model relates to a high-efficiency leakage-free vortex pump, which comprises a motor 1, a pump case 2 is installed at the front end of the motor 1, the pump case 2 is fixedly connected with the motor 1, and the rotation of the rotating shaft of the motor 1 is not obstructed by the pump case 2, an impeller 3 is installed at the outer side of the rotating shaft of the motor 1, the impeller 3 is positioned in the pump case 2, blades 4 are arranged at two sides of the impeller 3, a pump cover 5 is fixed at the front end of the pump case 2 through bolts, the pump case 2 and the pump cover 5 form a sealed cavity, when the motor 1 drives the impeller 3 to rotate, the blades 4 can be driven to synchronously rotate, so that a transmission medium in the pump case 2 moves from a water inlet to a water outlet of the pump case 2, the transmission of the medium is realized, in addition, a round through hole can be arranged in the middle of the pump case 2, and the rotating shaft of the motor 1 is connected with the pump case 2 in a sealed rotating mode, thereby preventing the transmission medium from leaking along the joint of the motor 1 and the pump shell 2, the blades 4 are arranged at a plurality of positions in a circumferential arrangement mode so as to improve the output rate of the transmission medium in the pump shell 2, the sealing gasket 6 is arranged between the pump shell 2 and the pump cover 5 so as to improve the sealing performance between the pump shell 2 and the pump cover 5 and prevent the transmission medium in the device from leaking, a mounting groove 7 is respectively arranged above the inside of the pump shell 2 and the inside of the pump cover 5, the inside of the mounting groove 7 is connected with a water scraping rod 8 in a sliding way, a spring 9 is arranged between the mounting groove 7 and the water scraping rod 8, as shown in figure 4, the water scraping rod 8 is connected with the spring 9 in an elastic way, when the blades 4 are driven by the motor 1 to rotate to the position of the water scraping rod 8, the water scraping rod 8 can be extruded to move to the inside of the mounting groove 7 so as to prevent the blades 4 from blocking, and at the in-process that the pole 8 of scraping contracts back, utilize the sliding fit of the pole 8 of scraping to blade 4, can prevent that transmission medium from taking place the backward flow along with the rotation of impeller 3 and blade 4, thereby effectively lifting device's output efficiency, the pole-like structure of pole 8 of scraping for rectangular shape, and when the contact surface of pole 8 of scraping and blade 4 sets up to the slope form, can promote the effect of contracting of pole 8 of scraping, prevent that the pole 8 of scraping from damaging because of the collision with blade 4, influence the normal operating of device.

Furthermore, a fixing groove 10 is formed in the front side of the pump shell 2 and the inner side of the pump cover 5, a protection ring 11 is installed inside the fixing groove 10, a connecting gap exists between the pump shell 2 and the pump cover 5, a sealing gasket 6 is installed inside the gap, and when the motor 1 runs, the moving blade 4 is driven to rotate to impact a transmission medium, so that the transmission medium erodes the connecting gap, the sealing gasket 6 is easily damaged, and the sealing performance of the device is reduced; the fixed slot 10 can be established to the annular trough-shaped structure of circle, protection ring 11 sets up to the ring annular structure thereupon, so that carry out fixed mounting to protection ring 11, it is fixed with the joint of fixed slot 10 through protection ring 11, can also fix a position and install pump cover 5 fast, meanwhile, can set up a cross-section in protection ring 11's inboard and be triangle-shaped's ring groove, so that carry out the water conservancy diversion to transmission medium, make transmission medium erode this recess, reduce the scouring of transmission medium to fixed slot 10 and protection ring 11 connection gap.

The utility model relates to a high-efficient no leakage vortex pump theory of operation is: when motor 1 drives impeller 3 and rotates, utilize the drive of blade 4, can make transmission medium flow to the delivery port from the water inlet of pump case 2, when blade 4 is rotatory to the position of wiping pole 8, blade 4 can promote the connection inclined plane of wiping pole 8, thereby make the spring of wiping pole 8 rear end shrink, let wiping pole 8 remove to the inside of mounting groove 7, at the in-process that wiping pole 8 removed, it can block conveying medium, prevent that it from taking place the backward flow, thereby the output efficiency of device has been promoted, meanwhile, because install guard ring 11 between the connection gap of pump case 2 and pump cover 5, can prevent that transmission medium from producing to erodeing this gap and damaging sealed pad 6, thereby the sealing performance of device has been promoted, the life of device has been increased.

In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.

Claims

1. The utility model provides a high-efficient no leakage volute pump which characterized in that: the water scraping device comprises a motor (1), a pump shell (2) is installed at the front end of the motor (1), an impeller (3) is installed on the outer side of a rotating shaft of the motor (1), the impeller (3) is located inside the pump shell (2), blades (4) are arranged on two sides of the impeller (3), a pump cover (5) is fixed at the front end of the pump shell (2) through bolts, a sealing gasket (6) is installed between the pump shell (2) and the pump cover (5), a mounting groove (7) is formed in the upper portion inside the pump shell (2) and the upper portion of the inner side of the pump cover (5), a water scraping rod (8) is connected to the inside of the mounting groove (7) in a sliding mode, a spring (9) is installed between the mounting groove (7) and the water scraping rod (8), a fixing groove (10) is formed in the front side of the pump shell (2) and the inner side of the pump cover (5), and a protective ring (11) is arranged in the fixing groove (10).

2. The high efficiency, leak-free scroll pump of claim 1, wherein: the middle of the pump shell (2) is provided with a circular through hole, and the pump shell (2) is connected with a rotating shaft of the motor (1) in a sealed rotating mode.

3. The high efficiency, leak-free scroll pump of claim 1, wherein: the blades (4) are arranged at a plurality of positions in a circumferential arrangement mode.

4. The high efficiency, leak-free scroll pump of claim 1, wherein: the water scraping rod (8) is of a long strip-shaped rod-shaped structure, and the contact surface of the water scraping rod (8) and the blade (4) is inclined.

5. A high efficiency leak-free vortex pump according to claim 1 wherein: the fixing groove (10) is of a circular groove-shaped structure.

6. The high efficiency, leak-free scroll pump of claim 1, wherein: the protection ring (11) is of a circular ring-shaped structure, and a circular ring-shaped groove with a triangular cross section is formed in the inner side of the protection ring (11).