CN210977990U

CN210977990U - Conversion device of multistage centrifugal pump head

Info

Publication number: CN210977990U
Application number: CN201922230315.6U
Authority: CN
Inventors: 姜春新
Original assignee: Jiangsu Weierte Pump Co ltd
Current assignee: Jiangsu Weierte Pump Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-07-10
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a conversion equipment of multistage centrifugal pump head relates to centrifugal pump head technical field, including solid fixed cylinder, the equal fixedly connected with fixed block in both sides of solid fixed cylinder, the through-hole has been seted up to the inside of fixed block, solid fixed cylinder is equipped with the pivot, bearing and solid fixed cylinder fixed connection are passed through in the pivot, the sealed pad of one end fixedly connected with of solid fixed cylinder, gu fixed cylinder keeps away from the sealed one end fixedly connected with driver that fills up, the fixed slot has been seted up to the one end of driver, the activity groove has all been seted up to the both sides of driver, the inside swing joint in activity groove has the push rod. The utility model discloses an one end at fixed section of thick bamboo is provided with sealed the pad, can prevent to reveal, has solved the pump head and has revealed the extravagant problem in source that leads to water, sets up through the cooperation between slider, spout, second spring, fixed slot and the push rod, can quick assembly disassembly, has solved easy not hard up and has changed trouble problem, improves work efficiency.

Description

Conversion device of multistage centrifugal pump head

Technical Field

The utility model relates to a centrifugal pump head technical field, in particular to conversion equipment of multistage centrifugal pump head.

Background

The centrifugal pump (centrifugal pump) is a pump for conveying liquid by means of centrifugal force generated when an impeller rotates, and the basic structure of the centrifugal pump is composed of six parts, namely an impeller, a pump body, a pump shaft, a bearing, a sealing ring, a stuffing box and a pump head, wherein the pump head is an easily-damaged article, and a switching device of the pump head of the multistage centrifugal pump is a switching device after the pump head is damaged.

At present, the conversion equipment of current multistage centrifugal pump head is mostly gone on with bolt and driver, and fixed poor stability like this leads to the bolt not hard up influence device normal operating easily for long-time operation, and inconvenient change moreover, the conversion equipment of current multistage centrifugal pump head lies in that the one end that the pump head is connected does not have sealed the pad, leads to easily leaking the waste that causes the source of water.

Therefore, it is necessary to provide a switching device for pump heads of a multistage centrifugal pump to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a conversion equipment of multistage centrifugal pump head to the conversion equipment who solves the current multistage centrifugal pump head that proposes in the above-mentioned background art changes inconveniently and the extravagant problem in source that causes.

In order to achieve the above object, the utility model provides a following technical scheme: a conversion device of a multistage centrifugal pump head comprises a fixed cylinder, wherein both sides of the fixed cylinder are fixedly connected with fixed blocks, through holes are formed in the fixed blocks, the fixed cylinder is provided with a rotating shaft, the rotating shaft is fixedly connected with the fixed cylinder through a bearing, one end of the fixed cylinder is fixedly connected with a sealing gasket, one end of the fixed cylinder, far away from the sealing gasket, is fixedly connected with a driver, one end of the driver is provided with a fixed groove, both sides of the driver are provided with movable grooves, the inside of each movable groove is movably connected with a push rod, the push rod is matched with the movable groove, both ends of the push rod are fixedly connected with a stop block, one side of the stop block is fixedly connected with a first spring, one end of the first spring, far away from the stop block, is fixedly connected with the movable groove, the inside of the fixed groove is movably connected, the spout has been seted up to one side of spliced pole, the inside swing joint of spout has the slider, the one end of slider is located inside the spout, the other end of slider is located the outside of spout, the mounting groove has been seted up to the one end of slider is inside, the inside fixedly connected with second spring of mounting groove, the one end and the spout fixed connection of mounting groove are kept away from to the second spring.

Optionally, the two fixing blocks are symmetrically arranged about the middle part of the fixed cylinder, the fixing blocks are rectangular,

optionally, the number of the bearings is two, and the two bearings are symmetrically arranged in the middle of the rotating shaft.

Optionally, the two fixing grooves are arranged symmetrically with respect to the middle of the driver.

Optionally, the two movable grooves are symmetrically arranged about the middle of the driver, and the movable grooves are communicated with the fixed groove.

Optionally, the two stoppers are symmetrically arranged about the middle of the push rod, and the stoppers are rectangular.

The utility model discloses a technological effect and advantage:

1. the utility model discloses an one end at a fixed section of thick bamboo is provided with sealed the pad, can prevent to reveal, has solved the pump head and has revealed the extravagant problem in source that leads to water.

2. The utility model discloses a cooperation setting between slider, spout, second spring, fixed slot and the push rod can quick assembly disassembly, has solved easy not hard up and has changed trouble problem, improves work efficiency.

Drawings

FIG. 1 is a schematic sectional view of the structure of the present invention;

FIG. 2 is a schematic side view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is a schematic perspective view of the fixed barrel structure of the present invention.

In the figure: 1. a fixed cylinder; 2. a bearing; 3. a driver; 4. fixing grooves; 5. a push rod; 6. connecting columns; 7. a gasket; 8. a through hole; 9. a fixed block; 10. a rotating shaft; 11. a movable groove; 12. a first spring; 13. a slider; 14. mounting grooves; 15. a chute; 16. a second spring; 17. and a stop block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a switching device of a multistage centrifugal pump head as shown in figures 1-4, which comprises a fixed cylinder 1, both sides of the fixed cylinder 1 are fixedly connected with fixed blocks 9, the two fixed blocks 9 are symmetrically arranged about the middle part of the fixed cylinder 1, the fixed blocks 9 are rectangular, the inside of the fixed blocks 9 is provided with through holes 8, the fixed cylinder 1 is provided with a rotating shaft 10, the rotating shaft 10 is fixedly connected with the fixed cylinder 1 through a bearing 2, the two bearings 2 are arranged, the two bearings 2 are symmetrically arranged about the middle part of the rotating shaft 10, one end of the fixed cylinder 1 is fixedly connected with a sealing gasket 7, the sealing gasket 7 is arranged at one end of the fixed cylinder 1, thereby preventing leakage, solving the problem of water source waste caused by the leakage of the pump head, one end of the fixed cylinder 1 far away from the sealing gasket 7 is fixedly connected with a driver 3, one end of the driver 3, the two fixed grooves 4 are symmetrically arranged relative to the middle part of the driver 3, the two sides of the driver 3 are respectively provided with a movable groove 11, the two movable grooves 11 are symmetrically arranged relative to the middle part of the driver 3, the movable grooves 11 are communicated with the fixed grooves 4, the inner part of each movable groove 11 is movably connected with a push rod 5, the push rods 5 are matched with the movable grooves 11, the two ends of each push rod 5 are respectively and fixedly connected with a stop block 17, the two stop blocks 17 are symmetrically arranged relative to the middle part of each push rod 5, each stop block 17 is rectangular, one side of each stop block 17 is fixedly connected with a first spring 12, one end of each first spring 12, far away from each stop block 17, is fixedly connected with the movable groove 11, the inner part of each fixed groove 4 is movably connected with a connecting column 6, one end of each connecting column 6 is fixedly connected with the fixed cylinder 1, one, the other end of slider 13 is located the outside of spout 15, mounting groove 14 has been seted up inside the one end of slider 13, the inside fixedly connected with second spring 16 of mounting groove 14, mounting groove 14's one end and spout 15 fixed connection are kept away from to second spring 16, through slider 13, spout 15, second spring 16, the cooperation setting between fixed slot 4 and the push rod 5, can quick assembly disassembly, solved easy not hard up and change trouble problem, improve work efficiency.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

This practical theory of operation: when using, through-hole 8 and pump head fixed connection through fixed block 9 inside, extrusion seal pad 7, sealed pad 7 produces elasticity and seals up and avoid leaking, promote push rod 5 when changing, push rod 5 drives dog 17 and removes, dog 17 extrudes first spring 12, first spring 12 shrink produces elasticity, push rod 5 promotes slider 13 and removes to the inside of spout 15 simultaneously, take off the converter and change after slider 13 withdraws from fixed slot 4, during the installation, aim at spliced pole 6 and remove to the inside of fixed slot 4 to fixed slot 4, fixed slot 4 extrudes slider 13 simultaneously, slider 13 removes to the inside of spout 15, spout 15 extrudes second spring 16, second spring 16 shrink produces elasticity, when spout 15 and activity groove 11 correspond when the outside removal that second spring 16 promoted slider 13 to spout 15 gets into fixed slot 4 and fixes.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a conversion equipment of multistage centrifugal pump head, includes fixed section of thick bamboo (1), its characterized in that: the fixing device is characterized in that both sides of the fixed cylinder (1) are fixedly connected with fixed blocks (9), a through hole (8) is formed in the fixed block (9), a rotating shaft (10) is arranged on the fixed cylinder (1), the rotating shaft (10) is fixedly connected with the fixed cylinder (1) through a bearing (2), a sealing gasket (7) is fixedly connected to one end of the fixed cylinder (1), far away from the sealing gasket (7), is fixedly connected with a driver (3), one end of the driver (3) is provided with a fixed groove (4), both sides of the driver (3) are provided with movable grooves (11), the inner part of each movable groove (11) is movably connected with a push rod (5), the push rod (5) is matched with the movable grooves (11), both ends of the push rod (5) are fixedly connected with stop blocks (17), one side of each stop block (17) is fixedly connected with a first spring, one end and the activity groove (11) fixed connection of dog (17) are kept away from in first spring (12), the inside swing joint of fixed slot (4) has spliced pole (6), the one end and the solid fixed cylinder (1) fixed connection of spliced pole (6), spout (15) have been seted up to one side of spliced pole (6), the inside swing joint of spout (15) has slider (13), the one end of slider (13) is located spout (15) inside, the other end of slider (13) is located the outside of spout (15), mounting groove (14) have been seted up to the one end inside of slider (13), the inside fixedly connected with second spring (16) of mounting groove (14), the one end and spout (15) fixed connection of mounting groove (14) are kept away from in second spring (16).

2. A transfer mechanism for a multistage centrifugal pump head according to claim 1, wherein:

the two fixing blocks (9) are symmetrically arranged relative to the middle of the fixed cylinder (1), and the fixing blocks (9) are rectangular.

3. A transfer mechanism for a multistage centrifugal pump head according to claim 1, wherein:

the two bearings (2) are arranged, and the two bearings (2) are symmetrically arranged in the middle of the rotating shaft (10).

4. A transfer mechanism for a multistage centrifugal pump head according to claim 1, wherein:

the two fixing grooves (4) are arranged, and the two fixing grooves (4) are symmetrically arranged relative to the middle of the driver (3).

5. A transfer mechanism for a multistage centrifugal pump head according to claim 1, wherein:

the two movable grooves (11) are symmetrically arranged relative to the middle part of the driver (3), and the movable grooves (11) are communicated with the fixed groove (4).

6. A transfer mechanism for a multistage centrifugal pump head according to claim 1, wherein:

the two stop blocks (17) are symmetrically arranged relative to the middle part of the push rod (5), and the stop blocks (17) are rectangular.