CN210196041U

CN210196041U - High-efficiency self-priming pump

Info

Publication number: CN210196041U
Application number: CN201920142791.XU
Authority: CN
Inventors: Hongqin Zhang; 张红勤
Original assignee: Xiangtan Red High-Tech Co Ltd
Current assignee: Xiangtan Red High-Tech Co Ltd
Priority date: 2019-01-28
Filing date: 2019-01-28
Publication date: 2020-03-27
Anticipated expiration: 2029-01-28

Abstract

A high-efficiency self-sucking pump mainly solves the technical problems of low suction stroke, long water feeding time, unstable water pressure and the like of the existing self-sucking pump. The key points of the technical scheme are as follows: it includes interconnect's the pump body (1) and motor (3), the pump body (1) is including preceding pump body (11) and back pump body (12), is provided with on the back pump body (12) and keeps apart cavity (1251) and preceding throat cavity (119) in the pump body (11) and is connected in sealed cooperation each other, keeps apart the cavity (1251) other end and forms to keep apart chamber (125) with pump backseat (121) the sealed cooperation of back pump body (12), keeps apart chamber (125) and throat cavity (119) intercommunication, is provided with impeller (126) in keeping apart chamber (125), and impeller (126) suit is on pump shaft (127), and pump shaft (127) are connected with motor (3).

Description

High-efficiency self-priming pump

Technical Field

The utility model relates to a high-efficient self priming pump.

Background

At present, a pump body of a traditional self-priming pump comprises a suction chamber, a liquid storage chamber, a volute chamber, a liquid return hole, a gas-liquid separation chamber and the like, after the pump is normally started, liquid stored in the suction chamber and air in a suction pipeline are sucked by an impeller and are completely mixed in the impeller, the liquid carries gas to flow towards the outer edge of the volute chamber under the action of centrifugal force, and a white foam belt with a certain thickness and a high-speed rotating liquid ring are formed on the outer edge of the impeller. The gas-liquid mixture enters the gas-liquid separation chamber through the diffusion pipe. At this time, the flow rate is suddenly reduced, so that the lighter gas is separated from the gas-liquid mixture, and the gas continues to rise through the pump discharge port and is discharged. The degassed liquid returns to the liquid storage chamber and enters the impeller again through the backflow hole, is mixed with the gas sucked from the suction pipeline inside the impeller again, and flows to the outer edge of the impeller again under the action of the impeller rotating at high speed. With the process going on repeatedly, the air in the suction pipeline is reduced continuously until the air is sucked out, the self-suction process is completed, and the pump is put into normal operation. Because the gas is sucked up in a circulating way for a long time, the gas is difficult to be completely discharged, the suction stroke of the pump is influenced, the water feeding time is long, the water pressure is unstable, and the noise is easy to generate.

Disclosure of Invention

The utility model aims at providing a high-efficient self priming pump that suction stroke is high, the liquid feeding is fast, water pressure is steady, the noise is low.

The utility model provides a technical scheme that its technical problem adopted is: the pump comprises a pump body 1 and a motor 3 which are connected with each other, wherein the pump body 1 comprises a front pump body 11 and a rear pump body 12, the rear pump body 12 is provided with an isolation cavity 1251 which is in sealing fit with a throat cavity 119 in the front pump body 11, the other end of the isolation cavity 1251 is in sealing fit with a pump rear seat 121 of the rear pump body 12 to form an isolation cavity 125, the isolation cavity 125 is communicated with the throat cavity 113, an impeller 126 is arranged in the isolation cavity 125, the impeller 126 is sleeved on a pump shaft 127, and the pump shaft 127 is connected with the motor 3.

The front pump body 11 comprises a front pump shell 111, a throat flange 112, a throat 113, a liquid inlet seat 114, a liquid inlet 118, a throat 119 and a liquid outlet 1110, the liquid outlet 1110 is formed in the upper portion of the front pump shell 111, the liquid inlet seat 114 is fixed on the outer side of the front end of the front pump shell 111 in a sealing fit mode, the throat 119 is fixed on the inner side of the front end of the front pump shell 111 in a sealing fit mode through the throat flange 112, and the liquid inlet 118 is communicated with the throat 113.

The rear pump body 12 comprises a pump rear seat 121, a pump seat 123, an isolation cavity 125, an isolation cavity 1251, an impeller 126, a pump shaft 127, a rear moving and static ring 128 and a shield 129, one end of the pump seat 123 is connected with the pump rear seat 121 in a matched mode, the pump rear seat 121 is sleeved on the pump shaft 127, the isolation cavity 1251 and the pump rear seat 121 are matched in a sealing mode to form the isolation cavity 125, the impeller 126 is arranged in the isolation cavity 125 and sleeved on the pump shaft 127, the front moving and static ring 15 is arranged between the impeller 126 and the isolation cavity 1251, the rear moving and static ring 128 is arranged between the impeller 126 and the pump rear seat 121 and sleeved on the pump shaft 127, and the shield 129 is arranged outside the.

The impeller 126 is provided with a liquid inlet moving ring, the isolation cavity 1251 is provided with a liquid inlet static ring 1254 corresponding to the liquid inlet moving ring, the liquid inlet static ring 1254 is provided with a liquid inlet static ring sealing ring 1253, and the liquid inlet moving ring is correspondingly provided with a liquid inlet moving ring sealing ring.

And a gas-liquid separation valve plate 1255 is arranged on the annular periphery of the isolation cavity 1251.

The front pump shell 111 and the pump rear seat 121 are connected in a matching way through a pump clamping ring 13, and a rear seat sealing ring 122 is arranged between the front pump shell 111 and the pump rear seat 121.

Still include pump frame 2, pump frame 2 includes backup pad and both sides handle, is provided with the truckle under the backup pad, motor 3 is fixed in the backup pad.

The electric box is characterized by further comprising an electric box 5, wherein the electric box 5 is connected with the motor and fixed on the handles on the two sides.

The motor 3 is provided with a motor shield 4.

The utility model has the advantages that: through setting up the larynx chamber and keeping apart the chamber to adopt sealing connection, keep apart inlet and liquid outlet, the motor starts, can be fast with inside air exhaust, avoids gaseous internal circulation, influences the efficiency of pump, forms the vacuum at keeping apart the intracavity, can increase suction, and it is fast to go up the liquid speed, inhales the journey height, water pressure is steady, the noise is low. Through setting up the quiet ring of moving, the mechanical motion of structure is guaranteed to the rotating ring, and quiet ring forms sealedly, and is sealed effectual.

Drawings

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

Fig. 2 is a side view of the present invention.

FIG. 3 is a side view of the pump body.

Fig. 4 is a view a-a of fig. 3.

FIG. 5 is a side view of the front body.

Fig. 6 is a view P-P of fig. 5.

FIG. 7 is a side view of the rear pump body.

Fig. 8 is a view B-B of fig. 7.

FIG. 9 is a side view of an isolation chamber.

Fig. 10 is a view C-C of fig. 9.

In the figure: 1-pump body, 11-front pump body, 111-front pump housing, 112-throat flange, 113-throat, 114-liquid inlet, 115-liquid inlet seal, 116-throat seal, 117-throat seal, 118-liquid inlet, 119-throat cavity, 1110-liquid outlet, 12-rear pump body, 121-pump rear seat, 122-rear seat seal, 123-pump seat, 124-isolation cavity seal, 125-isolation cavity, 1251-isolation cavity, 1252-front seal, 1253-liquid inlet stationary ring seal, 1254-liquid inlet stationary ring, 1255-gas-liquid separation valve plate, 1256-screw, 126-impeller, 127-pump shaft, 128-rear stationary ring, 129-shroud, 13-pump clamp ring, 15-front stationary ring, 2-pump frame, 3-motor, 4-motor shield, 5-electric box.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Embodiment 1, the utility model discloses an interconnect's the pump body 1 and motor 3, the pump body 1 is including the preceding pump body 11 and the back pump body 12, is provided with on the back pump body 12 and keeps apart the throat cavity 119 mutual seal fit connection in cavity 1251 and the preceding pump body 11, keeps apart the sealed cooperation formation of the pump back seat 121 of the cavity 1251 other end and the back pump body 12 and keeps apart chamber 125, keeps apart chamber 125 and throat cavity 113 intercommunication, keeps apart and is provided with impeller 126 in the chamber 125, and impeller 126 suit is on pump shaft 127, and pump shaft 127 is connected with motor 3. Through setting up the larynx chamber and keeping apart the chamber to adopt sealing connection, keep apart inlet and liquid outlet, the motor starts to drive the impeller rotation, can arrange inside air clean fast, avoids gaseous internal recycle, influences the efficiency of pump, forms the vacuum at keeping apart the intracavity, can increase suction, and it is fast to go up the liquid speed, and the suction is high, water pressure is steady, the noise is low. See fig. 1-10.

In embodiment 2, the upper portion of the front pump casing 111 is provided with a liquid outlet 1110, the liquid inlet 114 is fixed at the outer side of the front end of the front pump casing 111 through a screw, the middle of the liquid inlet is padded with a liquid inlet gasket 115, the throat cavity 119 is fixed at the inner side of the front end of the front pump casing 111 through a throat cavity flange 112 in a sealing fit manner, a throat cavity gasket 116 is padded between the throat cavity flange 112 and the front pump casing 111, a throat cavity sealing ring 117 is padded between the throat cavity flange 112 and a flange bolt, and the liquid inlet 118 is communicated with the throat cavity 113. Referring to fig. 1 to 10, the rest is the same as embodiment 1.

In embodiment 3, one end of the pump seat 123 is sleeved in the pump rear seat 121, the other end of the pump seat is connected to the motor 3, the pump rear seat 121 is sleeved on the pump shaft 127, the isolation cavity 1251 is fixed on the pump rear seat 121 through a screw to form an isolation cavity 125, an isolation cavity sealing ring 124 is padded between the isolation cavity 1251 and the pump rear seat 121, an impeller 126 is arranged in the isolation cavity 125 and sleeved on the pump shaft 127, an impeller nut is arranged at an end of the pump shaft 127, a front moving and static ring 15 is arranged between the impeller 126 and the isolation cavity 1251, a rear moving and static ring 128 is arranged between the impeller 126 and the pump rear seat 121 and sleeved on the pump shaft 127, and a shield 129 is. Referring to fig. 1 to 10, the rest of the embodiment is the same as the above embodiment.

Embodiment 4, be provided with the inlet rotating ring on impeller 126, it corresponds with the inlet rotating ring to be provided with inlet quiet ring 1254 on the isolation cavity 1251, is provided with inlet quiet ring 1253 on the inlet quiet ring 1254, corresponds on the inlet rotating ring to be provided with inlet rotating ring sealing washer. Referring to fig. 1 to 10, the rest of the embodiment is the same as the above embodiment.

Embodiment 5, be provided with gas-liquid separation valve piece 1255 on keeping apart the annular periphery of cavity 1251, gas-liquid separation valve piece 1255 passes through screw 1256 to be fixed on keeping apart the annular periphery of cavity 1251, prevents that liquid from getting rid of in the casing when discharging gas, and the protection moves the stationary ring and avoids dry grinding, makes the stationary ring more durable. Referring to fig. 1 to 10, the rest of the embodiment is the same as the above embodiment.

In embodiment 6, the front pump casing 111 and the pump rear seat 121 are connected by fitting the pump clamp ring 13, and the rear seat seal ring 122 is provided between the front pump casing 111 and the pump rear seat 121. Referring to fig. 1 to 10, the rest of the embodiment is the same as the above embodiment.

Embodiment 7, the utility model discloses still include pump frame 2, pump frame 2 includes backup pad and both sides handle, is provided with the truckle under the backup pad, motor 3 fixes in the backup pad, convenient operation and removal are provided with motor guard 4 on the motor 3. Referring to fig. 1 to 10, the rest of the embodiment is the same as the above embodiment.

Embodiment 8, the utility model discloses still include electric box 5, electric box 5 is connected with motor 3, fixes on both sides are hand, realizes electrical control. The control wires of the electrical box 5 are housed inside the motor cover 4. Referring to fig. 1 to 10, the rest of the embodiment is the same as the above embodiment.

Claims

1. The utility model provides a high-efficient self priming pump which characterized by: it includes interconnect's the pump body (1) and motor (3), the pump body (1) is including preceding pump body (11) and back pump body (12), is provided with on the back pump body (12) and keeps apart cavity (1251) and preceding throat cavity (119) in the pump body (11) and is connected in sealed cooperation each other, keeps apart the cavity (1251) other end and forms to keep apart chamber (125) with pump backseat (121) the sealed cooperation of back pump body (12), keeps apart chamber (125) and throat cavity (113) intercommunication, is provided with impeller (126) in keeping apart chamber (125), and impeller (126) suit is on pump shaft (127), and pump shaft (127) is connected with motor (3).

2. The high efficiency self-primer pump of claim 1 wherein: preceding pump body (11) are including preceding pump case (111), throat flange (112), throat (113), feed liquor seat (114), inlet (118), throat (119) and liquid outlet (1110), and liquid outlet (1110) have been seted up on preceding pump case (111) upper portion, and feed liquor seat (114) are sealed cooperation and fix in the preceding pump case (111) front end outside, and throat (119) are sealed cooperation through throat flange (112) and fix in the preceding pump case (111) front end inboard, and inlet (118) and throat (113) UNICOM.

3. The high efficiency self-primer pump of claim 1 wherein: the rear pump body (12) comprises a pump rear seat (121), a pump seat (123), an isolation cavity (125), an isolation cavity (1251), an impeller (126), a pump shaft (127), a rear movable and static ring (128) and a shield (129), one end of the pump seat (123) is connected with the pump rear seat (121) in a matching mode, the pump rear seat (121) is sleeved on the pump shaft (127), the isolation cavity (1251) is matched with the pump rear seat (121) in a sealing mode to form the isolation cavity (125), the impeller (126) is arranged in the isolation cavity (125) and sleeved on the pump shaft (127), a front movable and static ring (15) is arranged between the impeller (126) and the isolation cavity (1251), the rear movable and static ring (128) is arranged between the impeller (126) and the pump rear seat (121) and sleeved on the pump shaft (127), and the shield (129) is arranged outside the pump seat (.

4. A high efficiency self-primer pump as recited in claim 1 or 3 wherein: a liquid inlet moving ring is arranged on the impeller (126), a liquid inlet static ring (1254) is arranged on the isolation cavity (1251) and corresponds to the liquid inlet moving ring, a liquid inlet static ring sealing ring (1253) is arranged on the liquid inlet static ring (1254), and a liquid inlet moving ring sealing ring is correspondingly arranged on the liquid inlet moving ring.

5. A high efficiency self-primer pump as recited in claim 1 or 3 wherein: and a gas-liquid separation valve plate (1255) is arranged on the annular periphery of the isolation cavity (1251).

6. A high efficiency self-primer pump as set forth in claim 2 or claim 3 wherein: the front pump shell (111) is connected with the pump rear seat (121) in a matched mode through the pump clamping ring (13), and the rear seat sealing ring (122) is arranged between the front pump shell (111) and the pump rear seat (121).

7. The high efficiency self-primer pump of claim 1 wherein: still include pump frame (2), pump frame (2) include backup pad and both sides handle, are provided with the truckle under the backup pad, motor (3) are fixed in the backup pad.

8. The high efficiency self-primer pump of claim 1 or 7 wherein: the electric box is characterized by further comprising an electric box (5), wherein the electric box (5) is connected with the motor and fixed on the handles on the two sides.

9. The high efficiency self-primer pump of claim 1 wherein: and a motor shield (4) is arranged on the motor (3).