CN214887771U - Centrifugal pump with high safety - Google Patents

Abstract

The utility model provides a high centrifugal pump of security relates to centrifugal pump technical field, including the pump body, outlet pipe, solid fixed ring, hose, No. two solid fixed rings, snap ring, protecting tube, fixed plate, mounting structure and protector in advance, the bottom intercommunication of outlet pipe is at the upper surface of the pump body, and solid fixed ring is adorned in the bottom of hose for one number, and the bottom welding of protecting tube is at the upper surface of snap ring, and the fixed plate welds respectively in the both sides of snap ring and protecting tube surface. The utility model discloses, through setting up the preinstallation structure, can be fixed solid fixed ring and No. two before solid fixed ring to the two preinstallation, under mutually supporting with the protecting tube, can protect the junction of hose, reduce its number of times that results in rivers to pass through of buckling on the one hand, and then avoid leading to the condition of pump body damage to appear because of the hose blocks up, on the other hand avoids hose connection department to appear because of the condition that often buckles and reduce life to the whole security of centrifugal pump has been promoted.

Description

Centrifugal pump with high safety

Technical Field

The utility model relates to a centrifugal pump technical field especially relates to a high centrifugal pump of security.

Background

The pump is always used in the transportation of liquid, and the use rate of a centrifugal pump is the highest among a plurality of pumps, and the centrifugal pump basically consists of a motor, a coupling, a bearing, a pump shaft, an impeller, a water inlet and a water outlet pipe.

The outlet pipe can communicate with the hose basically in traditional centrifugal pump, and because hose itself does not possess corresponding holding power, so be in idle hose and the junction of outlet pipe and appear buckling easily, on the one hand can not normally pass through the hose in rivers when going out water to the condition that the pump body damaged appears because of the hose jam appears, and on the other hand hose position that is not in the junction often buckles and can reduce the life of hose.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a centrifugal pump with high safety.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high centrifugal pump of security, includes the pump body, outlet pipe, solid fixed ring, hose, No. two solid fixed rings, snap ring, protecting tube, fixed plate, pre-installation structure and protector, the bottom intercommunication of outlet pipe is at the upper surface of the pump body, No. one solid fixed ring adorns in the bottom of hose admittedly, the bottom welding of protecting tube is at the upper surface of snap ring, the fixed plate welds the both sides at snap ring and protecting tube surface respectively, pre-installation structure sets up the surface at solid fixed ring, No. two solid fixed rings and snap ring, protector sets up the surface at the pump body.

In order to carry out the preinstallation between solid fixed ring and No. two solid fixed rings, the utility model discloses the improvement has, preinstallation structure includes draw-in groove, reference column and locating hole, the surface at the snap ring is seted up to the draw-in groove, the upper surface at solid fixed ring is installed No. one to the reference column, the surface at solid fixed ring is seted up No. two to the locating hole.

For the convenience with No. two solid fixed ring faster places on solid fixed ring, the utility model discloses the improvement has, the surface of reference column and the inner wall sliding connection of locating hole, the material of hose is rubber.

For the convenience carry on spacingly to solid fixed ring and No. two solid fixed rings, the utility model discloses the improvement has, the surface after solid fixed ring and No. two solid fixed rings fold and the inner wall sliding connection of draw-in groove, the fixed orifices has been seted up to the surface of fixed plate.

In order to protect the impeller, the utility model discloses improve and have, protector includes go-between, agrees with the groove, agrees with the ring, mounting panel, pressure relief pipe, pressure relief groove and sealed tube, the go-between welding is at the surface of pump body water inlet, agree with the groove and set up the lateral wall at the go-between, the mounting panel is adorned admittedly in the both sides of agreeing with the ring surface, the both sides lateral wall of agreeing with the ring is installed respectively to pressure relief pipe and sealed tube, the pressure relief groove is set up and is kept away from the one end lateral wall of agreeing with the ring at pressure relief pipe.

In order to install the inlet opening department at the pump body with the effuser in convenience, the utility model discloses the improvement has, the surface of agreeing with ring and mounting panel and the inner wall sliding connection who agrees with the groove, the surface of sealed tube and effuser and the inner wall sliding connection of the pump body.

In order to promote the leakproofness of go-between and pipeline junction, the utility model discloses the improvement has, the connecting hole has all been seted up to the inner wall that agrees with the groove and the surface of mounting panel, the material of sealed tube is rubber.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, through setting up the outlet pipe, a solid fixed ring, No. two solid fixed rings, the snap ring, protecting tube and fixed plate, can protect the hose, through setting up the pre-installation structure, can be fixed a solid fixed ring and No. two solid fixed rings before to the two install in advance, under mutually supporting with the protecting tube, can protect the junction of hose, reduce its number of times that buckles and lead to rivers to fail to pass through on the one hand, and then avoid appearing because of the condition that the hose stops up and lead to the pump body to damage, on the other hand avoids hose connection to reduce life's condition because of often buckling to appear, thereby the whole security of centrifugal pump has been promoted.

2. The utility model discloses in, through setting up protector, can reduce the rivers velocity of flow of pump body water inlet on the one hand, avoid the rivers velocity of flow too fast and appear the condition that the impeller was broken by dashing, on the other hand can increase the leakproofness of junction between go-between and the pipeline.

Drawings

FIG. 1 is a schematic perspective view of a centrifugal pump with high safety according to the present invention;

FIG. 2 is an exploded view of a part of the three-dimensional structure of the centrifugal pump with high safety provided by the present invention;

FIG. 3 is a schematic view of a partial perspective structure of a centrifugal pump with high safety according to the present invention;

FIG. 4 is a partial perspective exploded view of the centrifugal pump of the present invention with high safety;

fig. 5 is a partial perspective sectional view of the centrifugal pump with high safety of the present invention.

Illustration of the drawings:

1. a pump body; 2. a water outlet pipe; 3. a first fixing ring; 4. a hose; 5. a second fixing ring; 6. a snap ring; 7. a protective tube; 8. a fixing plate; 9. a card slot; 10. a positioning column; 11. positioning holes; 12. a connecting ring; 13. a fitting groove; 14. a loop is engaged; 15. mounting a plate; 16. a pressure relief pipe; 17. a force relief groove; 18. and (5) sealing the tube.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Referring to fig. 1-5, the present invention provides a technical solution: a centrifugal pump with high safety comprises a pump body 1, a water outlet pipe 2, a first fixing ring 3, a hose 4, a second fixing ring 5, a clamping ring 6, a protection pipe 7 and a fixing plate 8, wherein the bottom end of the water outlet pipe 2 is communicated with the upper surface of the pump body 1, the first fixing ring 3 is fixedly arranged at the bottom end of the hose 4, the bottom end of the protection pipe 7 is welded on the upper surface of the clamping ring 6, the fixing plate 8 is respectively welded on two sides of the outer surfaces of the clamping ring 6 and the protection pipe 7, the water outlet pipe 2 and the hose 4 are used for conveying liquid pumped out of the pump body 1, the first fixing ring 3 is matched with the second fixing ring 5 to communicate the water outlet pipe 2 with the hose 4, the clamping ring 6 is used for limiting the first fixing ring 3 and the second fixing ring 5, through setting up outlet pipe 2, solid fixed ring 3, No. two solid fixed ring 5, snap ring 6, protective tube 7 and fixed plate 8, can protect hose 4.

The pre-installation structure is arranged on the outer surfaces of the first fixing ring 3, the second fixing ring 5 and the snap ring 6 and comprises a clamping groove 9, a positioning column 10 and a positioning hole 11, the clamping groove 9 is formed in the outer surface of the snap ring 6, the positioning column 10 is installed on the upper surface of the first fixing ring 3, the positioning hole 11 is formed in the outer surface of the second fixing ring 5, the outer surface of the positioning column 10 is in sliding connection with the inner wall of the positioning hole 11, the hose 4 is made of rubber, the outer surface of the first fixing ring 3 and the second fixing ring 5 after being folded is in sliding connection with the inner wall of the clamping groove 9, the outer surface of the fixing plate 8 is provided with a fixing hole, the positioning column 10 is matched with the positioning hole 11 to conveniently and quickly align and install the first fixing ring 3 and the second fixing ring 5, the clamping groove 9 is formed to limit the first fixing ring 3 and the second fixing ring 5, and the hose 4 made of rubber material has good corrosion resistance, by providing the pre-mounting structure, the first fixing ring 3 and the second fixing ring 5 can be pre-mounted before being fixed.

The protection device is arranged on the outer surface of the pump body 1, the protection device comprises a connecting ring 12, a fit groove 13, a fit ring 14, a mounting plate 15, a pressure relief pipe 16, a pressure relief groove 17 and a sealing pipe 18, the connecting ring 12 is welded on the outer surface of a water inlet of the pump body 1, the fit groove 13 is formed in the side wall of the connecting ring 12, the mounting plate 15 is fixedly arranged on two sides of the outer surface of the fit ring 14, the pressure relief pipe 16 and the sealing pipe 18 are respectively arranged on the side wall of two sides of the fit ring 14, the pressure relief groove 17 is formed in the side wall of one end, far away from the fit ring 14, of the pressure relief pipe 16, the fit groove 13, the fit ring 14 and the mounting plate 15 are matched with each other to install the pressure relief pipe 16 inside the water inlet of the pump body 1, the connecting ring 17 is arranged to reduce the flow rate of water flow, the sealing pipe 18 is arranged to seal the connection position of the connecting ring 12 and a pipeline, and by arranging the protection device, on one hand, the flow rate of the water inlet of the pump body 1 can be reduced, the situation that the impeller is damaged by washing due to the fact that the flow speed of water flow is too high is avoided, and on the other hand, the sealing performance of the connection position between the connection ring 12 and the pipeline can be improved.

The outer surfaces of the conjunction ring 14 and the mounting plate 15 are in sliding connection with the inner wall of the conjunction groove 13, the outer surfaces of the sealing pipe 18 and the pressure relief pipe 16 are in sliding connection with the inner wall of the pump body 1, the inner wall of the conjunction groove 13 and the outer surface of the mounting plate 15 are both provided with connecting holes, the sealing pipe 18 is made of rubber, the conjunction groove 13, the conjunction ring 14 and the mounting plate 15 are matched with each other to install the pressure relief pipe 16 inside a water inlet of the pump body 1, the pressure relief pipe 16 and the pressure relief groove 17 are matched with each other to reduce the flow rate of water flow, the impeller is prevented from being damaged by the excessive water flow, and the sealing performance of the connection position of the connection ring 12 and a pipeline can be improved through the sealing pipe 18 made of rubber.

The working principle is as follows: when the hose 4 needs to be communicated with the water outlet pipe 2, the positioning column 10 is aligned to the positioning hole 11, the second fixing ring 5 is placed above the first fixing ring 3, then the snap ring 6 is taken out, the folded first fixing ring 3 and the folded second fixing ring 5 are clamped inside the clamping groove 9, then the snap ring 6 on the other side is placed, the fixing plate 8 is fixed through the fixing hole by the bolt and the nut, the folded protective pipe 7 clamps the hose 4 to prevent the hose from being bent, then the conjunction ring 14 and the mounting plate 15 are embedded inside the conjunction groove 13, the pressure relief pipe 16 is completely embedded into the water inlet of the pump body 1, the pipeline through bolt and the nut are fixed with the connecting ring 12 through connection, the sealing pipe 18 made of rubber material is synchronously clamped on the inner wall of the pipeline, water flow carries out pressure relief through the pressure relief pipe 16, and then carries out pressure relief again when passing through the pressure relief groove 17, then it is delivered to the impeller.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. The utility model provides a high centrifugal pump of security, includes the pump body (1), outlet pipe (2), solid fixed ring (3), hose (4), No. two solid fixed ring (5), snap ring (6), protective tube (7), fixed plate (8), pre-installation structure and protector, its characterized in that: the bottom intercommunication of outlet pipe (2) is at the upper surface of the pump body (1), the bottom at hose (4) is adorned admittedly to solid fixed ring (3) No. one, the bottom welding of protecting tube (7) is at the upper surface of snap ring (6), fixed plate (8) weld respectively at the both sides of snap ring (6) and protecting tube (7) surface, the surface of pre-installation structure setting at fixed ring (3), No. two fixed ring (5) and snap ring (6), protector sets up the surface at the pump body (1).

2. A centrifugal pump with high safety according to claim 1, wherein: the pre-installation structure comprises a clamping groove (9), a positioning column (10) and a positioning hole (11), the outer surface of the clamping ring (6) is arranged on the clamping groove (9), the upper surface of the first fixing ring (3) is arranged on the positioning column (10), and the outer surface of the second fixing ring (5) is arranged on the positioning hole (11).

3. A centrifugal pump with high safety according to claim 2, wherein: the outer surface of the positioning column (10) is connected with the inner wall of the positioning hole (11) in a sliding mode, and the hose (4) is made of rubber.

4. A centrifugal pump with high safety according to claim 2, wherein: the outer surface of the folded first fixing ring (3) and the second fixing ring (5) is connected with the inner wall of the clamping groove (9) in a sliding mode, and the outer surface of the fixing plate (8) is provided with a fixing hole.

5. A centrifugal pump with high safety according to claim 1, wherein: the protection device comprises a connecting ring (12), a fit groove (13), a fit ring (14), a mounting plate (15), a pressure relief pipe (16), a pressure relief groove (17) and a sealing pipe (18), wherein the connecting ring (12) is welded on the outer surface of a water inlet of the pump body (1), the fit groove (13) is formed in the side wall of the connecting ring (12), the mounting plate (15) is fixedly arranged on two sides of the outer surface of the fit ring (14), the pressure relief pipe (16) and the sealing pipe (18) are respectively arranged on the side walls of two sides of the fit ring (14), and the pressure relief groove (17) is formed in the side wall of one end, far away from the fit ring (14), of the pressure relief pipe (16).

6. A centrifugal pump of high safety according to claim 5, characterized in that: the outer surfaces of the fitting rings (14) and the mounting plate (15) are in sliding connection with the inner wall of the fitting groove (13), and the outer surfaces of the sealing pipe (18) and the force release pipe (16) are in sliding connection with the inner wall of the pump body (1).

7. A centrifugal pump of high safety according to claim 5, characterized in that: connecting holes are formed in the inner wall of the conjunction groove (13) and the outer surface of the mounting plate (15), and the sealing pipe (18) is made of rubber.

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