CN216278532U

CN216278532U - WFB sealless self-control self-priming pump with improved structure

Info

Publication number: CN216278532U
Application number: CN202122534727.6U
Authority: CN
Inventors: 周启新
Original assignee: Jiangsu Tongji Electrical Power Pump Manufacturing Co ltd
Current assignee: Jiangsu Tongji Electrical Power Pump Manufacturing Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-12
Anticipated expiration: 2031-10-21

Abstract

The utility model relates to a WFB (WFB) seal-free self-control self-priming pump with an improved structure in the technical field of water pump manufacturing, which comprises a water pump body, wherein the water pump body is longitudinally arranged as a whole, one side of the water pump body is provided with a liquid inlet, and the other side of the water pump body is provided with a liquid outlet; the water pump is characterized in that a rotating shaft penetrates from top to bottom in the center of the water pump body, the rotating shaft is driven by a motor device arranged on the upper half of the water pump body, the water pump body is divided into an electric control part, a pump body part and an impeller assembly, the water pump body is matched with a base, all the parts are sequentially installed on the base, a coupler is further arranged in the rotating shaft in a matched mode, and a separating device is arranged on the pump body part in a matched mode. The device vibrations are little when using, the noise is low, dismantle convenient, easily the installation and adopt for the pump interlinkage formula multiaspect centrifugal seal device, and the packing that has removed traditional water pump is sealed, has superior automatic control function, can use with high-tech field and automatic system complete sets.

Description

WFB sealless self-control self-priming pump with improved structure

Technical Field

The utility model relates to the technical field of water pump manufacturing, in particular to a self-sucking pump.

Background

WFB series does not have sealed automatic control self priming pump, fills the domestic blank pioneering product, and this product has multiple functions such as temperature resistant, withstand voltage, wear-resisting, "drainage once, lifelong is from inhaling, discloses a self priming pump in current Chinese patent database, and its patent application number is: CN200620073627.0, filed as follows: 20060609, publication No. CN2916199, publication date: 20070627, the utility model discloses an application discloses a there is not sealed self priming pump, including motor, linking bridge, the pump body, drain pipe, feed liquor pipe, the pump body adopts the components of a whole that can function independently structure, comprises studio and reservoir chamber, is connected by the fastener between studio and the reservoir chamber, has the fastener to be connected between studio and the linking bridge, and this utility model discloses inside does not have filtering capability, under the abominable condition of individual condition of use, ordinary horizontal self priming pump is difficult to adapt to inefficiency, to the medium contains medium such as solid particle very much, causes internal damage and later stage maintenance difficulty easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a WFB (WFB) seal-free automatic control self-priming pump with an improved structure, which has the characteristics of remarkable energy-saving effect, winding prevention, no blockage, automatic installation, automatic control and the like, is small in vibration, low in noise, convenient to disassemble and easy to install when in use, adopts a ring-connected multi-surface centrifugal sealing device for the pump, avoids the packing seal of the traditional water pump, has an excellent automatic control function, and can be matched with the high-tech field and an automatic system for use.

The purpose of the utility model is realized as follows: a WFB (WFB) non-sealing self-control self-priming pump with an improved structure comprises a water pump body (1), wherein the water pump body (1) is longitudinally arranged as a whole, one side of the water pump body (1) is provided with a liquid inlet, and the other side of the water pump body is provided with a liquid outlet; the central point of water pump body (1) puts top-down and runs through being provided with pivot (2), pivot (2) are driven through motor device (3) that set up at water pump body (1) the first half, water pump body (1) divide into electrical control part, pump body part and impeller subassembly, water pump body (1) cooperation is provided with base (4), and each part is installed in proper order on base (4), pivot (2) still cooperation is provided with shaft coupling (9), pump body part cooperation is provided with separator (19).

When the centrifugal pump works, an electric control part, a pump body part and an impeller assembly are sequentially arranged on a base (4), a worker drives a water pump body (1) through an electric control valve (5) of the electric control part, when the centrifugal pump works, a rotating shaft (2) is rotated through a motor device (3) and simultaneously drives a main impeller (7) and an auxiliary impeller (8) to rotate, when the centrifugal pump rotates, a sealed space is formed between the main impeller (7) and the auxiliary impeller (8) due to the existence of a sealing pressing plate (6) and a sealing module (13), so that centrifugal force is generated, a medium enters the water pump body (1) through a liquid inlet and is sent out from a liquid outlet, when the medium is in the water pump body (1), the medium is filtered through a separating device (19), and impurities in the medium can be filtered by a plurality of micropores (23) on the separating device (19), when the pump is used, the weight of a liquid outlet pipeline cannot be supported on a flange of a liquid outlet of a water pump, water is forbidden to be used as drainage when the pump is used for conveying media such as concentrated sulfuric acid, and when crystal or sediment is injected, the pump is periodically drained once to prevent the crystal or the sediment from being retained in the pump.

The utility model has the advantages that: the utility model provides a structure is through characteristics such as modified WFB does not have sealed automatic control self priming pump, the device have that energy-conserving effect is showing, antiwind, no jam, automatic installation and automatic control, vibrations are little when using, the noise is low, dismantle convenient, easily installation and adopt for the pump link formula multiaspect centrifugal seal device, and the packing that has abolished traditional water pump is sealed, has superior automatic control function, can use with high-tech field and automatic system complete set.

As a further improvement of the utility model, in order to realize the self-control function of the water pump body (1), the later operation is more simple; the electric control part comprises an electric control valve (5) arranged at the upper end of the liquid inlet and a motor device (3) arranged at the upper end of the water pump body (1), the electric control valve (5) is connected with the motor device (3) through a signal line, a sealing pressing plate (6) is arranged below the motor device (3) in a matched mode, and the sealing pressing plate (6) is connected with the upper end of the pump body part through a bolt.

As a further improvement of the utility model, in order to increase the centrifugal force in the water pump body (1), the working efficiency is increased; the pump body part sets up in the middle part position of water pump body (1) and the cooperation is provided with main impeller (7) and auxiliary impeller (8), main impeller (7) all suit in pivot (2) outside and lie in same central line with auxiliary impeller (8), auxiliary impeller (8) cooperation is provided with shaft coupling (9), shaft coupling (9) lie in the top of pump body part and separate through baffle (10) between auxiliary impeller (8) and the main impeller (7), main impeller (7) and auxiliary impeller (8)'s blade are 35 to 45 slope settings and all are equipped with strengthening rib (24) on every group blade.

As a further improvement of the present invention, in order to ensure the sealing property inside the pump body portion; the main impeller (7) is arranged at the bottom of the rotating shaft (2) and fixed through a hanging bolt (11), a gasket (12) is further arranged between the hanging bolt (11) and the main impeller (7), the auxiliary impeller (8) is arranged above the main impeller (7) and connected with the rotating shaft (2) through a coupler (9), a sealing module (13) is arranged between the auxiliary impeller (8) and the partition plate (10), the sealing module (13) is fixed and sealed with the rotating shaft (2) through a round nut (14), and the sealing module (13) is obliquely arranged corresponding to the main impeller (7) and the auxiliary impeller (8).

As a further improvement of the utility model, in order to prolong the service life of the coupling (9) and facilitate later replacement and maintenance; the coupler (9) is divided into an upper connection part (15) and a lower connection part (16), a plurality of groups of thin film sheets (17) are arranged between the upper connection part (15) and the lower connection part (16) in a matched mode, the thin film sheets (17) are mutually overlapped and staggered, through holes (18) are formed in the end portions of the thin film sheets (17) in a matched mode, the thin film sheets (17) are connected through the through holes (18), the upper connection part (15), the lower connection part (16) and the thin film sheets (17) are all designed in a round angle mode, and the coupler (9) is designed in an anti-flying mode.

As a further improvement of the utility model, in order to prevent the water pump body (1) from being blocked; the separation device (19) is circularly arranged, the separation device (19) is divided into an upper end liquid inlet surface (20) and a side end liquid inlet hole (22), a plurality of groups of micropores (23) are arranged on the upper end liquid inlet surface (20), and the micropores (23) form a cavity inside the separation device (19).

As a further improvement of the utility model, in order to further increase the filtration efficiency of the separation device (19); the groups of micropores (23) on the upper liquid inlet surface (20) are communicated in the cavity body, and the micropores (23) are uniformly distributed and have the same size.

As a further improvement of the utility model, in order to further improve the water conveying efficiency of the water pump body (1); the reinforcing ribs (24) are arranged on the surfaces of the blades and are provided with 4 groups in total, the reinforcing ribs (24) and the blades are integrally formed and preset with the height of 3.5-4.5 cm, and the reinforcing ribs can also form a turbulent flow effect on a medium.

As a further improvement of the utility model, in order to prevent accidents such as breaking between the sealing module (13) and the secondary impeller (8); the inclination that sealed module (13) corresponds auxiliary impeller (8) is L shape setting and is fixed mutually with the upper end of auxiliary impeller (8), water pump body (1) adopts multiple materials such as polypropylene to make.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic view of the coupling of the present invention.

FIG. 3 is a schematic view of a pellicle according to the present invention.

FIG. 4 is a first schematic view of a separation apparatus according to the present invention.

FIG. 5 is a second schematic view of the separation apparatus of the present invention.

Fig. 6 is a schematic view of an impeller according to the present invention.

The device comprises a water pump body 1, a rotating shaft 2, a motor device 3, a base 4, an electric control valve 5, a sealing pressure plate 6, a main impeller 7, an auxiliary impeller 8, a coupler 9, a partition plate 10, a hanging bolt 11, a gasket 12, a sealing module 13, a round nut 14, an upper connection part 15, a lower connection part 16, a thin film sheet 17, a perforation 18, a separation device 19, a liquid inlet surface at the upper end of 20, a liquid inlet hole at the side end of 22, micropores 23 and reinforcing ribs 24.

Detailed Description

As shown in fig. 1-6, a WFB sealless self-control self-priming pump with an improved structure comprises a water pump body 1, wherein the water pump body 1 is longitudinally arranged as a whole, one side of the water pump body 1 is provided with a liquid inlet, and the other side is provided with a liquid outlet; the central position of the water pump body 1 is provided with a rotating shaft 2 in a penetrating way from top to bottom, the rotating shaft 2 is driven by a motor device 3 arranged at the upper half part of the water pump body 1, the water pump body 1 is divided into an electric control part, a pump body part and an impeller component, the water pump body 1 is provided with a base 4 in a matching way, each part is sequentially arranged on the base 4, the rotating shaft 2 is also provided with a coupling 9 in a matching way, the pump body part is provided with a separating device 19 in a matching way, the electric control part comprises an electric control valve 5 arranged at the upper end of a liquid inlet and the motor device 3 arranged at the upper end of the water pump body 1, the electric control valve 5 is connected with the motor device 3 through a signal wire, a sealing pressure plate 6 is arranged below the motor device 3 in a matching way, the sealing pressure plate 6 is connected with the upper end of the pump body part through a bolt, the pump body part is arranged at the middle position of the water pump body 1 and is provided with a main impeller 7 and an auxiliary impeller 8 in a matching way, the main impeller 7 and the auxiliary impeller 8 are sleeved outside the rotating shaft 2 and positioned on the same central line, the auxiliary impeller 8 is provided with a coupling 9 in a matching manner, the coupling 9 is positioned above the pump body part and is separated from the auxiliary impeller 8 and the main impeller 7 through a partition plate 10, the blades of the main impeller 7 and the auxiliary impeller 8 are obliquely arranged at 35-45 degrees, each group of blades is provided with a reinforcing rib, the main impeller 7 is arranged at the bottom of the rotating shaft 2 and is fixed through a fastening bolt 11, a gasket 12 is further arranged between the fastening bolt 11 and the main impeller 7, the auxiliary impeller 8 is arranged above the main impeller 7 and is connected with the rotating shaft 2 through the coupling 9, a sealing module 13 is arranged between the auxiliary impeller 8 and the partition plate 10, the sealing module 13 is fixed and sealed with the rotating shaft 2 through a round nut 14, and the sealing module 13 is obliquely arranged corresponding to the main impeller 7 and the auxiliary impeller 8, the coupler 9 is divided into an upper coupling part 15 and a lower coupling part 16, a plurality of groups of thin film sheets 17 are arranged between the upper coupling part 15 and the lower coupling part 16 in a matching manner, the thin film sheets 17 are overlapped and staggered with each other, the end parts of the thin film sheets 17 are also provided with through holes 18 in a matching manner, the thin film sheets 17 are connected through the through holes 18, the upper coupling part 15, the lower coupling part 16 and the thin film sheets 17 are all designed in a round angle manner, the coupler 9 adopts an anti-flying design, the separating device 19 is arranged in a round manner, the separating device 19 is divided into an upper end liquid inlet surface 20 and a side end liquid inlet hole 22, a plurality of groups of micropores 23 are arranged on the upper end liquid inlet surface 20, the micropores 23 form a cavity in the separating device 19, the plurality of groups of micropores 23 on the upper end liquid inlet surface 20 are communicated in the cavity, the micropores 23 are uniformly distributed and have the same size, the strengthening rib 24 sets up in the surface of blade and is equipped with 4 groups altogether, strengthening rib 24 and blade integrated into one piece and preset have 3.5 to 4.5 cm's height, and this strengthening rib still can form the vortex effect to the medium, the inclination that sealed module 13 corresponds auxiliary impeller 8 is L shape setting and is fixed mutually with auxiliary impeller 8's upper end, water pump body 1 adopts multiple materials such as polypropylene to make.

When the utility model works: the electric control part, the pump body part and the impeller assembly are sequentially arranged on a base 4, a worker drives a water pump body 1 through an electric control valve 5 of the electric control part, when the water pump works, a rotating shaft 2 rotates through a motor device 3, and simultaneously drives a main impeller 7 and an auxiliary impeller 8 to rotate, when the water pump rotates, a sealed space is formed between the main impeller 7 and the auxiliary impeller 8 due to the existence of a sealing pressure plate 6 and a sealing module 13, so that centrifugal force is generated, a medium enters the water pump body 1 through a liquid inlet and is conveyed out through the liquid outlet, when the medium is in the water pump body 1, the medium is filtered through a separating device 19, a plurality of micropores 23 on the separating device 19 can filter impurities existing in the medium and discharge the medium from the liquid outlet, so that the work is finished, when the water pump is used, the weight of a liquid outlet pipeline cannot be supported on a liquid outlet flange of the water pump, when the medium such as concentrated sulfuric acid is conveyed, water is not used as drainage, and when the crystallized or precipitated substance is drained, the liquid is periodically drained once to prevent the crystallized or precipitated substance from being retained in the pump.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope.

Claims

1. A WFB (WFB) non-sealing self-control self-priming pump with an improved structure comprises a water pump body (1), wherein the water pump body (1) is longitudinally arranged as a whole, one side of the water pump body (1) is provided with a liquid inlet, and the other side of the water pump body is provided with a liquid outlet; the central point of water pump body (1) puts top-down and runs through and is provided with pivot (2), its characterized in that: the rotating shaft (2) is driven by a motor device (3) arranged at the upper half part of the water pump body (1), the water pump body (1) is divided into an electric control part, a pump body part and an impeller component, the water pump body (1) is provided with a base (4) in a matching way, each part is sequentially arranged on the base (4), the rotating shaft (2) is also provided with a coupler (9) in a matching way, the pump body part is provided with a separating device (19) in a matching way, the separating device (19) is arranged in a circular way, the separating device (19) is divided into an upper end liquid inlet surface (20) and a side end liquid inlet hole (22), a plurality of groups of micropores (23) are arranged on the upper end liquid inlet surface (20), the micropores (23) form a cavity in the separating device (19), the plurality of groups of micropores (23) on the upper end liquid inlet surface (20) are communicated in the cavity body and are uniformly distributed on each micropore (23), are equal in size.

2. The improved WFB sealless self-priming pump of claim 1 wherein: the electric control part comprises an electric control valve (5) arranged at the upper end of the liquid inlet and a motor device (3) arranged at the upper end of the water pump body (1), the electric control valve (5) is connected with the motor device (3) through a signal line, a sealing pressing plate (6) is arranged below the motor device (3) in a matched mode, and the sealing pressing plate (6) is connected with the upper end of the pump body part through a bolt.

3. The improved WFB sealless self-priming pump of claim 1 wherein: the pump body part sets up in the middle part position of water pump body (1) and the cooperation is provided with main impeller (7) and auxiliary impeller (8), main impeller (7) all suit in pivot (2) outside and lie in same central line with auxiliary impeller (8), auxiliary impeller (8) cooperation is provided with shaft coupling (9), shaft coupling (9) lie in the top of pump body part and separate through baffle (10) between auxiliary impeller (8) and the main impeller (7), main impeller (7) and auxiliary impeller (8)'s blade are 35 to 45 slope settings and all are equipped with strengthening rib (24) on every group blade.

4. A WFB sealless self-controlling self-priming pump of improved construction according to claim 3 wherein: the main impeller (7) is arranged at the bottom of the rotating shaft (2) and fixed through a hanging bolt (11), a gasket (12) is further arranged between the hanging bolt (11) and the main impeller (7), the auxiliary impeller (8) is arranged above the main impeller (7) and connected with the rotating shaft (2) through a coupler (9), a sealing module (13) is arranged between the auxiliary impeller (8) and the partition plate (10), and the sealing module (13) is fixed and sealed with the rotating shaft (2) through a round nut (14).

5. The improved WFB sealless self-priming pump of claim 1 wherein: the coupler (9) is divided into an upper connection part (15) and a lower connection part (16), a plurality of groups of thin film sheets (17) are arranged between the upper connection part (15) and the lower connection part (16) in a matched mode, the thin film sheets (17) are mutually overlapped and staggered, through holes (18) are formed in the end portions of the thin film sheets (17) in a matched mode, the thin film sheets (17) are connected through the through holes (18), the upper connection part (15), the lower connection part (16) and the thin film sheets (17) are all designed in a round angle mode, and the coupler (9) is designed in an anti-flying mode.

6. A WFB sealless self-controlling self-priming pump of improved construction according to claim 3 wherein: the reinforcing ribs (24) are arranged on the surface of the blade and are provided with 4 groups in total, the reinforcing ribs (24) and the blade are integrally formed and preset with the height of 3.5-4.5 cm, and the reinforcing ribs (24) can also form a turbulent flow effect on a medium.

7. The improved WFB sealless self-controlling self-priming pump of claim 4 wherein: the inclined angle of the sealing module (13) corresponding to the auxiliary impeller (8) is L-shaped and is fixed with the upper end of the auxiliary impeller (8).