CN213419377U

CN213419377U - Pressure-adjustable seal-free self-control self-sucking pump

Info

Publication number: CN213419377U
Application number: CN202022267446.4U
Authority: CN
Inventors: 唐正坤
Original assignee: Jiangsu Yaxing Pump Valve Technology Co ltd
Current assignee: Jiangsu Yaxing Pump Valve Technology Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-06-11
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses a no sealed automatic control self priming pump that pressure can be regulated and control relates to no sealed automatic control self priming pump technical field, can't obtain effectual regulation for solving the pressure of current no sealed automatic control self priming pump in the in-process export that uses to lead to the problem that the connecting tube connects and bursts apart because the pressure of export is too big. The self-priming pump comprises a self-priming pump body and is characterized in that a pump inlet and a pump outlet are respectively arranged at two ends of the self-priming pump body, a reflux pump is arranged on the outer wall of one side of the self-priming pump body, the pump outlet is connected with an inlet end of the reflux pump in a sealing mode through a pressure release pipe, an outlet end of the reflux pump is connected with the pump inlet in a sealing mode through a flow guide pipe, an adjusting valve and a check mechanism are respectively arranged on the pressure release pipe and the flow guide pipe, a pressure release port is formed in the connection position of the pressure release pipe and the pump outlet, the pressure release port and the pump outlet are integrally formed.

Description

Pressure-adjustable seal-free self-control self-sucking pump

Technical Field

The utility model relates to a no sealed automatic control self priming pump technical field specifically is a no sealed automatic control self priming pump that pressure can be regulated and control.

Background

The sealless self-control self-priming pump is an improved and innovative product on the basis of absorbing advanced experiences of related products at home and abroad, is a replacement product of domestic traditional similar products, and has the advantages of temperature resistance, pressure resistance, wear resistance, primary drainage, permanent self-priming and the like. The product is made of cast iron, cast steel, stainless steel, reinforced polypropylene and the like. Various shapes and specifications. The product has the functions of high efficiency, energy conservation, unique structure and the like. After the product is put on the market, the product is welcomed and praised by the majority of users by the unique design and the reliable quality is selected by a plurality of units as a substitute for imported products, and the non-sealing self-control self-priming pump is widely applied to the industries of municipal sewage engineering, pond culture, electric power, chemical industry, metallurgy, medicine, food, fire protection, environmental protection, electroplating, water purification, municipal administration, national defense, textile, paper making, mining, building and the like.

The pressure of an outlet of an existing non-sealing self-control self-suction pump cannot be effectively adjusted in the using process, so that the problem that a connecting pipeline joint is cracked due to overlarge pressure of the outlet is solved, and therefore the pressure-adjustable non-sealing self-control self-suction pump is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a no sealed automatic control self priming pump that pressure can be regulated and control to solve the pressure that the export of the current no sealed automatic control self priming pump that provides in the above-mentioned background art at the in-process that uses can't obtain effectual regulation, thereby lead to the problem that the connecting tube connects and bursts apart because the pressure of export is too big.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressure can be regulated and control no sealed automatic control self priming pump, includes the self priming pump main part, the both ends of self priming pump main part are provided with pump inlet and pump outlet respectively, be provided with the backwash pump on one side outer wall of self priming pump main part, the pump outlet passes through the inlet end sealing connection of pressure relief pipe with the backwash pump, the exit end of backwash pump passes through honeycomb duct and pump inlet sealing connection, be provided with governing valve and non return mechanism on pressure relief pipe and the honeycomb duct respectively.

Preferably, the pressure release pipe is provided with the pressure release mouth with the hookup location of pump export, and the pressure release mouth sets up with pump export integrated into one piece, the inside of pressure release mouth is provided with the installation frame, and installation frame and pressure release mouth fixed connection, the inside of installation frame is provided with prevents stifled filter screen, and prevents stifled filter screen and installation frame integrated into one piece setting.

Preferably, the inside of non return mechanism is provided with return channel, and return channel communicates the setting with honeycomb duct and pump inlet respectively, be provided with positioning frame on the both sides outer wall of non return mechanism respectively, and positioning frame and return channel all set up with non return mechanism integrated into one piece.

Preferably, the inside of positioning frame is provided with the bearing, and bearing and positioning frame mechanical seal are connected, the inside of backward flow passageway is provided with the non return and turns over the board, all be provided with the connecting axle on the both sides outer wall that the non return turned over the board, and the connecting axle turns over board integrated into one piece setting with the non return.

Preferably, both sides of the non-return turning plate are respectively provided with an upper baffle and a lower baffle, the upper baffle and the lower baffle are integrally formed with the backflow channel, and the upper baffle and the lower baffle are symmetrically distributed about the center point of the non-return turning plate.

Preferably, the connecting shaft penetrates through a through hole in the non-return mechanism and extends to the inside of the positioning frame, and the non-return turning plate is movably connected with a bearing in the positioning frame through the connecting shaft.

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

1. the utility model discloses when the medium is discharged from the pump export, the accessible rotates the hand wheel on the governing valve and opens and close the pressure release mouth of pressure release pipe with the regulation of flow to the purpose of alleviating pump outlet pressure release reaches the purpose of adjusting self priming pump main part outlet pressure, has overcome the unable effectual regulation that obtains of pressure of current no sealed automatic control self priming pump at the in-process export that uses, thereby leads to the problem that the connecting tube connects the collapse because the pressure of export is too big.

2. When the medium enters the pump inlet, the backflow medium rushes off the non-return turning plate inside the non-return mechanism and flows into the pump inlet, and the non-return turning plate can only do directional movement under the action of the upper baffle and the lower baffle, so that the effect of preventing the medium at the pump inlet from flowing into the flow guide pipe is realized, and the purpose of backflow of the medium is achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of part A of the present invention;

FIG. 3 is a schematic view of the internal structure of the check mechanism of the present invention;

FIG. 4 is a schematic view of the internal structure of the return channel of the present invention;

in the figure: 1. a self-priming pump body; 2. a pump inlet; 3. an outlet of the pump; 4. adjusting a valve; 5. a pressure releasing pipe; 6. a reflux pump; 7. a flow guide pipe; 8. a non-return mechanism; 9. a pressure relief port; 10. a mounting frame; 11. anti-blocking filter screens; 12. a positioning frame; 13. a bearing; 14. a connecting shaft; 15. a non-return turning plate; 16. an upper baffle plate; 17. a lower baffle plate; 18. and a return channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a no sealed automatic control self priming pump that pressure can be regulated and control, includes self priming pump main part 1, and the both ends of self priming pump main part 1 are provided with pump inlet 2 and pump outlet 3 respectively, are provided with backwash pump 6 on the outer wall of one side of self priming pump main part 1, and pump outlet 3 passes through the inlet end sealing connection of pressure release pipe 5 with backwash pump 6, and the exit end of backwash pump 6 passes through honeycomb duct 7 and 2 sealing connection of pump inlet, is provided with governing valve 4 and non return mechanism 8 on pressure release pipe 5 and the honeycomb duct 7 respectively.

Further, a pressure release port 9 is arranged at the connecting position of the pressure release pipe 5 and the pump outlet 3, the pressure release port 9 and the pump outlet 3 are integrally formed, an installation frame 10 is arranged inside the pressure release port 9, the installation frame 10 is fixedly connected with the pressure release port 9, an anti-blocking filter screen 11 is arranged inside the installation frame 10, the anti-blocking filter screen 11 and the installation frame 10 are integrally formed, and the pressure release port 9 arranged at the connecting position of the pressure release pipe 5 and the pump outlet 3 plays a role in relieving the pressure of the pump outlet 3.

Further, the inside of non return mechanism 8 is provided with return flow channel 18, and return flow channel 18 communicates the setting with honeycomb duct 7 and pump inlet 2 respectively, is provided with positioning frame 12 on the both sides outer wall of non return mechanism 8 respectively, and positioning frame 12 and return flow channel 18 all set up with non return mechanism 8 integrated into one piece, and return flow channel 18 that the inside of non return mechanism 8 set up plays the effect of the medium backward flow of being convenient for.

Further, the inside of positioning frame 12 is provided with bearing 13, and bearing 13 and positioning frame 12 mechanical seal are connected, and the inside of backflow passage 18 is provided with the non return and turns over board 15, all is provided with connecting axle 14 on the both sides outer wall of non return turns over board 15, and connecting axle 14 and non return turn over board 15 integrated into one piece setting, and the bearing 13 of the inside setting of positioning frame 12 plays supplementary non return and turns over board 15 pivoted effect.

Further, an upper baffle 16 and a lower baffle 17 are respectively arranged on two sides of the non-return turning plate 15, the upper baffle 16 and the lower baffle 17 are integrally formed with the backflow channel 18, the upper baffle 16 and the lower baffle 17 are symmetrically distributed about the center point of the non-return turning plate 15, and the upper baffle 16 and the lower baffle 17 respectively arranged on two sides of the non-return turning plate 15 play a role in limiting the directional rotation of the non-return turning plate 15.

Further, the connecting shaft 14 penetrates through a through hole inside the check mechanism 8 and extends to the inside of the positioning frame 12, the check turning plate 15 is movably connected with the bearing 13 inside the positioning frame 12 through the connecting shaft 14, and the connecting shaft 14 penetrates through the through hole inside the check mechanism 8 and extends to the inside of the positioning frame 12 so as to facilitate the movable connection between the bearing 13 and the connecting shaft 14.

The working principle is as follows: when in use, the medium enters from the pump inlet 2 and is discharged from the pump outlet 3, when the medium is discharged from the pump outlet 3, the pressure release port 9 of the pressure release pipe 5 can be opened and closed and the flow can be adjusted by rotating a hand wheel on the adjusting valve 4, thereby releasing and relieving the pressure at the outlet 3 of the pump, achieving the purpose of adjusting the pressure at the outlet of the self-priming pump body 1, discharging a small amount of medium through the pressure release pipe 5, under the action of the reflux pump 6, the medium flows back into the pump inlet 2 through the draft tube 7, when the medium enters the pump inlet 2, the backflow medium rushes open the non-return turning plate 15 in the non-return mechanism 8 and flows into the pump inlet 2, the non-return turning plate 15 can only do directional movement under the action of the upper baffle 16 and the lower baffle 17, the effect of preventing the medium of the pump inlet 2 from flowing into the draft tube 7 is realized, therefore, the purpose of medium backflow is achieved, and the pressure regulation and use work of the pressure-adjustable seal-free self-control self-priming pump is completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a no sealed automatic control self priming pump that pressure can be regulated and control, includes self priming pump main part (1), its characterized in that: the utility model discloses a self priming pump, including self priming pump main part (1), pump inlet (2) and pump outlet (3) are provided with respectively at the both ends of self priming pump main part (1), be provided with backwash pump (6) on the outer wall of one side of self priming pump main part (1), pump outlet (3) are through the entrance point sealing connection of pressure relief pipe (5) and backwash pump (6), the exit end of backwash pump (6) passes through honeycomb duct (7) and pump inlet (2) sealing connection, be provided with governing valve (4) and non return mechanism (8) on pressure relief pipe (5) and honeycomb duct (7) respectively.

2. The self-priming pump with adjustable pressure and no seal of claim 1, wherein: pressure release pipe (5) and the hookup location of pump export (3) are provided with pressure release mouth (9), and pressure release mouth (9) and pump export (3) integrated into one piece setting, the inside of pressure release mouth (9) is provided with installation frame (10), and installation frame (10) and pressure release mouth (9) fixed connection, the inside of installation frame (10) is provided with prevents stifled filter screen (11), and prevents stifled filter screen (11) and installation frame (10) integrated into one piece setting.

3. The self-priming pump with adjustable pressure and no seal of claim 1, wherein: the inside of non return mechanism (8) is provided with return flow channel (18), and return flow channel (18) set up with honeycomb duct (7) and pump inlet (2) intercommunication respectively, be provided with positioning frame (12) on the both sides outer wall of non return mechanism (8) respectively, and positioning frame (12) and return flow channel (18) all set up with non return mechanism (8) integrated into one piece.

4. The self-priming pump with adjustable pressure and no seal of claim 3, wherein: the anti-return device is characterized in that a bearing (13) is arranged inside the positioning frame (12), the bearing (13) is connected with the positioning frame (12) in a mechanical sealing mode, a non-return turning plate (15) is arranged inside the return channel (18), connecting shafts (14) are arranged on outer walls of two sides of the non-return turning plate (15), and the connecting shafts (14) and the non-return turning plate (15) are integrally formed.

5. The self-priming pump with adjustable pressure and no seal of claim 4, wherein: the anti-return device is characterized in that an upper baffle (16) and a lower baffle (17) are respectively arranged on two sides of the anti-return turning plate (15), the upper baffle (16) and the lower baffle (17) are integrally formed with the backflow channel (18), and the upper baffle (16) and the lower baffle (17) are symmetrically distributed about the center point of the anti-return turning plate (15).

6. The self-priming pump with adjustable pressure and no seal of claim 4, wherein: the connecting shaft (14) penetrates through a through hole in the non-return mechanism (8) and extends into the positioning frame (12), and the non-return turnover plate (15) is movably connected with a bearing (13) in the positioning frame (12) through the connecting shaft (14).