CN218718321U

CN218718321U - Fire pump based on impeller separation and reunion diversion device

Info

Publication number: CN218718321U
Application number: CN202221389114.6U
Authority: CN
Inventors: 陈建江
Original assignee: Zhejiang Longdun Fire Technology Co ltd
Current assignee: Zhejiang Longdun Fire Technology Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2023-03-24
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses a fire control water pump based on impeller separation and reunion diversion device aims at solving when the water pump starts diversion device diversion in-process, adopts flexible axle rotation drive diversion device diversion technique in, and the flexible axle obtains the stability and the separation and reunion performance problem of drive power. In addition, the self-rotating angle problem of the flexible shaft is another technical problem to be solved by the utility model. The utility model discloses a fire pump based on impeller separation and reunion diversion device includes the water pump shell, installs the impeller of main shaft drive in the water pump shell, the impeller periphery be equipped with first friction disc, first friction disc periphery cooperation has the second friction disc, the second friction disc is controlled by the clutch, the diversion device is connected to the clutch; the clutch comprises a first connecting rod connected with the second friction plate, the first connecting rod is connected with a clutch shaft sleeve, an annular groove is formed in the periphery of the clutch shaft sleeve, and a shifting fork is installed in the annular groove.

Description

Fire pump based on impeller separation and reunion diversion device

Technical Field

The utility model relates to a water pump technical field, in particular to fire pump based on impeller separation and reunion diversion device.

Background

Water pumps are important devices used frequently in production operations for transporting media such as water flows. In fire-fighting water pump field the utility model discloses a designer has applied for the utility model patent that patent number is CN 2021224197.1, the utility model discloses a vacuum diversion and water pump transport power separation's pumping plant, the technical problem of vacuum diversion and water pump transport power separation has been solved to above-mentioned patent, but combine the power source that prior art mainly has submerged pump or flexible axle driven axial-flow pump to be the main shaft in the in-service use, connect the main shaft after because the main shaft diameter of axle is less the drive power that leads to the flexible axle in power transmission process not enough, the flexible axle takes place bending deformation easily, the card is died easily to the flexible axle, technical problem such as rotation angle is uncontrollable.

How to make a submerged pump or a flexible shaft driven axial flow pump obtain a larger and more stable driving force, and keep the rotating angle of the flexible shaft rotating stably, and how to realize a specific series of connection relation settings, and reduce the influence of the clutch on the flow rate are all technical problems that need to be overcome by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a long service life, flexible axle rotation angle are stable, the separation and reunion is convenient, the flow influence is little, the lift is high, the diversion is fast based on fire pump of impeller separation and reunion diversion device.

In order to achieve the above purpose, the technical solution of the present invention is implemented as follows:

the utility model provides a fire pump based on impeller separation and reunion diversion device, including the water pump shell, install the impeller of main shaft drive in the water pump shell, the impeller periphery be equipped with first friction disc, first friction disc periphery cooperation has the second friction disc, the second friction disc is controlled by the clutch, the diversion device of clutch connection flexible shaft drive; the clutch comprises a first connecting rod connected with the second friction plate, the first connecting rod is connected with a clutch shaft sleeve, an annular groove is formed in the periphery of the clutch shaft sleeve, and a shifting fork is installed in the annular groove; the first friction plate and the second friction plate are both of annular structures, and the matching surfaces are both provided with tapers. Although the power source of the clutch connected with the water diversion device for water diversion of the water pump is also a main shaft, the connecting position for obtaining the driving force is replaced by the impeller, the periphery of the impeller is provided with the first friction plate, the periphery of the first friction plate is matched with the second friction plate, the second friction plate is controlled by the clutch, the driving force source of the water diversion device is realized by matching the first friction plate with the second friction plate, the driving force source is the driving force which is relative to the main shaft clutch, obviously, the shaft diameter of the impeller is far larger than the main shaft, the power source of the flexible shaft of the water diversion device is stable by taking the impeller as a connecting component for power output, and particularly, when the flexible shaft structure such as the flexible shaft is driven, the rotation of the flexible shaft is more stable, namely, the process of driving the small shaft by the large shaft. For the separation and reunion of impeller, the utility model discloses a clutch passes through first connecting rod with the second friction disc, connect the clutch shaft sleeve, clutch shaft sleeve periphery is equipped with the annular groove, install the shift fork in the annular groove, through shift fork drive second friction disc seesaw, realize its separation and reunion performance with first friction disc, at this in-process because the shift fork is located the annular groove, behind first friction disc laminating second friction disc, the flexible axle in second friction disc and the diversion device all can take place rotatoryly under the impeller rotation, in order to realize the diversion performance of diversion device, and the shift fork is located the annular groove and does not take place rotatoryly, it is minimum to liquid flow channel's flow influence that only has several first connecting rod structures to be located pipeline or water pump shell inside, and separation and reunion stability, the reliability is fabulous again, how to make diversion device or flexible axle driven diversion device obtain great, more stable drive power has been solved, and how to realize the setting of a specific series of connection relation, reduce the influence problem of clutch to the flow.

The water diversion device comprises a hose, a flexible shaft is arranged in the hose, and the flexible shaft is connected with a water diversion impeller; one end of the hose is connected with the water diversion device shell, and the other end of the hose is connected with the hose connecting sleeve; the water diversion device shell is connected with the filter. The water diversion device structure takes a hose as a water flow channel, a flexible shaft is also called a flexible shaft as a driving shaft, a water diversion impeller is driven, and water which is diverted is sucked into a water pump shell through a filter to complete water diversion.

The hose connecting sleeve is connected with a water pump shell through threads; the inner side of the hose connecting sleeve is connected with a bearing through a second connecting rod, the inner side of the bearing is provided with an input shaft of a universal joint, the input shaft is connected with a clutch shaft through a connecting nut, and the periphery of the clutch shaft is sleeved with a clutch shaft sleeve; the universal joint is provided with an output shaft which is connected with a flexible shaft. The utility model discloses a flexible shaft has been solved to the universal joint structure because its rotation angle is difficult for receiving the control at rotatory in-process, takes place the technical problem of distortion easily, ensures through the universal joint structure that flexible shaft rotation angle changes the in-process and in time follows the adjustment through the universal joint, avoids the flexible shaft because the rotation angle change technical problem such as fracture that lead to on a large scale.

The shifting fork is a semicircular ring structure with a shifting rod shaft, wherein the semicircular ring structure is inserted and connected with the annular groove, the shifting rod shaft is connected with the switch shaft through a pin shaft, and a compression nut is arranged between the switch shaft and the water pump shell; the top of the switch shaft is connected with a handle, and the position of the shifting fork is controlled through the handle.

Be equipped with gland nut between switch shaft and the water pump casing, gland nut inboard cooperation switch shaft, integrative protruding cylinder on the gland nut outside threaded connection water pump casing, the coaxial cooperation switch shaft of mounting hole in the protruding cylinder, the rotatory stability of switch shaft has been ensured on the one hand to this kind of protruding cylindrical structure, and the switch shaft is rotatory to be realized the shift fork seesaw, and the problem of leaking appears in the clutch is avoided to protruding cylinder and the integrative structure cooperation gland nut of water pump casing on the other hand.

The periphery of the clutch shaft is connected with a clutch shaft sleeve through a connecting pin, the clutch shaft sleeve is connected with a third connecting rod through a lubricating shaft sleeve, the third connecting rod is connected with a water pump shell, and the two shaft sleeve structures of the clutch shaft sleeve and the sliding shaft sleeve are used as a clutch shaft supporting structure, so that the rotation of the clutch shaft and the stability of power transmission are ensured.

Adopt foretell technical scheme, the beneficial effects of the utility model are that:

1. the outer periphery of the impeller is provided with a first friction plate, the outer periphery of the first friction plate is matched with a second friction plate, the second friction plate is controlled by a clutch, and the first friction plate is matched with the second friction plate to realize the technical effect that the large shaft drives the small shaft so as to achieve the stable driving of the flexible shaft of the water diversion device.

2. The utility model discloses a clutch passes through first connecting rod with the second friction disc, connect the clutch shaft sleeve, clutch shaft sleeve periphery is equipped with the annular groove, install the shift fork in the annular groove, the flexible axle in second friction disc and the diversion device all can take place rotatoryly under the impeller rotation, in order to realize the diversion performance of diversion device, and the shift fork is located the annular groove and does not take place the rotation, it is only that several first connecting rod structures of this kind of clutch structure are located pipeline or the inside flow influence minimum to liquid flow channel of water pump shell, and separation and reunion stability, the reliability is fabulous again, how to make diversion device or flexible axle driven diversion device obtain great, more stable drive power has been solved, the lift is improved, and how to realize the setting of specific a series of relation of connection, reduce the influence problem of clutch to flow.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a fire pump main view structure based on an impeller clutch diversion device of the utility model;

FIG. 2 is a schematic cross-sectional view of the cross-sectional view along line B-B of FIG. 3 according to the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the 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 embodiment of 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.

As shown in fig. 1-3, a fire pump based on an impeller clutch priming device comprises a water pump housing 1, wherein an impeller 28 driven by a main shaft 29 is installed in the water pump housing 1, a first friction plate 27 is arranged on the periphery of the impeller 28, a second friction plate 26 is matched on the periphery of the first friction plate 27, the second friction plate 26 is controlled by a clutch, and the clutch is connected with the priming device. The first friction plate 27 and the second friction plate 26 are both in an annular structure, and the matching surfaces are both provided with conicity to improve the engaging force after connection.

The utility model discloses the clutch is including the first connecting rod 32 of connecting second friction disc 26, and clutch shaft sleeve 12 is connected to first connecting rod 32, and clutch shaft sleeve 12 periphery is equipped with annular groove 33, installs shift fork 10 in the annular groove 33. The shifting fork 10 is a semicircular ring structure with a shifting rod shaft, wherein the semicircular ring structure is inserted and connected with the annular groove 33, the shifting rod shaft is connected with the switch shaft 16 through a pin shaft 11, and a compression nut 7 is arranged between the switch shaft 16 and the water pump shell 1. The top of the switch shaft 16 is connected with a handle 6. As the structure optimization, a compression nut 7 is arranged between a switch shaft 16 and a water pump shell 1, the inner side of the compression nut 7 is matched with the switch shaft 16, the outer side of the compression nut 7 is in threaded connection with an integrated convex cylinder 8 on the water pump shell 1, and a mounting hole in the convex cylinder 8 is coaxially matched with the switch shaft 16. The clutch drives the switch shaft 16 to rotate through the handle 6, and the technical purpose that the shifting fork 10 pushes the clutch shaft sleeve 12 to move back and forth is achieved.

The preferable diversion device of structure includes hose 3, is equipped with flexible shaft 2 in the hose 3, and flexible shaft 2 connects diversion impeller 4. One end of the hose 3 is connected with the shell of the water diversion device, and the other end is connected with the hose connecting sleeve 18. The water diversion device shell is connected with the filter 5.

In order to solve the problem of controlling the rotation angle of the flexible shaft 2, the hose connecting sleeve 18 is connected with the water pump shell 1 through threads, the inner side of the hose connecting sleeve 18 is connected with the bearing 19 through the second connecting rod 23, the inner side of the bearing 19 is provided with the input shaft 22 of the universal joint 20, the input shaft 22 is connected with the clutch shaft 25 through the connecting nut 24, and the periphery of the clutch shaft 25 is sleeved with the clutch shaft sleeve 12. The universal joint 20 is provided with an output shaft 21, which output shaft 21 is connected to the flexible shaft 2.

In order to reduce the influence of the clutch on the flow of a flow passage in the water diversion process and improve the rotation stability of the clutch shaft 25, the periphery of the clutch shaft 25 is respectively connected with the clutch shaft sleeve 12 through a connecting pin 34, the third connecting rod 15 is connected with the lubricating shaft sleeve 14, and the third connecting rod 15 is connected with the water pump shell 1.

The utility model discloses a concrete working process as follows: the water pump motor drives the main shaft 29 to rotate, so as to drive the impeller to rotate, then the manual control clutch drives the switch shaft 16 to rotate through the handle 6, so that the shifting fork 10 pushes the clutch shaft sleeve 12 to approach the impeller, then the first friction plate 27 and the second friction plate 26 are attached to drive the clutch shaft sleeve 12 to rotate, the clutch shaft sleeve 12 drives the clutch shaft 25 to rotate through the connecting pin 34, the clutch shaft 25 drives the universal joint 20 to enable the flexible shaft 2 to rotate, the flexible shaft 2 drives the water diversion impeller 4 to rotate, water flow is sucked into the water pump shell 1, the water diversion process of the water pump is completed, the water diversion speed is high, and the lift is high. After water is drawn, the clutch enables the first friction plate 27 and the second friction plate 26 to be separated through the handle 6, so that technical faults caused by long-time rotation of the flexible shaft 2 are avoided, and the service life is prolonged.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fire control water pump based on impeller separation and reunion diversion device, includes water pump housing (1), installs main shaft (29) driven impeller (28) in the water pump housing (1), its characterized in that: a first friction plate (27) is arranged on the periphery of the impeller (28), a second friction plate (26) is matched on the periphery of the first friction plate (27), the second friction plate (26) is controlled by a clutch, and the clutch is connected with a water diversion device driven by a flexible shaft; the clutch comprises a first connecting rod (32) connected with a second friction plate (26), the first connecting rod (32) is connected with a clutch shaft sleeve (12), an annular groove (33) is formed in the periphery of the clutch shaft sleeve (12), and a shifting fork (10) is installed in the annular groove (33); the first friction plate (27) and the second friction plate (26) are both in an annular structure, and the matching surfaces are both provided with conicity.

2. The fire pump based on impeller separation and reunion diversion device of claim 1, characterized in that: the water diversion device comprises a hose (3), a flexible shaft (2) is arranged in the hose (3), and the flexible shaft (2) is connected with a water diversion impeller (4); one end of the hose (3) is connected with the diversion device shell, and the other end of the hose is connected with a hose connecting sleeve (18); the shell of the water diversion device is connected with a filter (5).

3. The fire pump based on impeller separation and reunion diversion device of claim 2, characterized in that: the hose connecting sleeve (18) is connected with the water pump shell (1) through threads; the inner side of the hose connecting sleeve (18) is connected with a bearing (19) through a second connecting rod (23), the inner side of the bearing (19) is provided with an input shaft (22) of a universal joint (20), the input shaft (22) is connected with a clutch shaft (25) through a connecting nut (24), and the periphery of the clutch shaft (25) is sleeved with a clutch shaft sleeve (12); the universal joint (20) is provided with an output shaft (21), and the output shaft (21) is connected with the flexible shaft (2).

4. The fire pump based on impeller separation and reunion diversion device of claim 1, characterized in that: the shifting fork (10) is of a semicircular ring structure with a shifting rod shaft, wherein the semicircular ring structure is inserted into and connected with the annular groove (33), the shifting rod shaft is connected with the switch shaft (16) through a pin shaft (11), and a compression nut (7) is arranged between the switch shaft (16) and the water pump shell (1); the top of the switch shaft (16) is connected with a handle (6).

5. The fire pump based on impeller separation and reunion diversion device of claim 4, characterized in that: be equipped with gland nut (7) between switch axle (16) and water pump casing (1), gland nut (7) inboard cooperation switch axle (16), integrative protruding cylinder (8) on gland nut (7) outside threaded connection water pump casing (1), coaxial cooperation switch axle (16) of mounting hole in protruding cylinder (8).

6. The fire pump based on impeller separation and reunion diversion device of claim 2, characterized in that: the periphery of the clutch shaft (25) is respectively connected with a clutch shaft sleeve (12) through a connecting pin (34), and is connected with a third connecting rod (15) through a lubricating shaft sleeve (14), and the third connecting rod (15) is connected with a water pump shell (1).