CN219139444U

CN219139444U - Rust-proof protection type water pump shaft

Info

Publication number: CN219139444U
Application number: CN202320229239.0U
Authority: CN
Inventors: 叶于敏
Original assignee: Recas Nanjing Precision Machinery Co ltd
Current assignee: Recas Nanjing Precision Machinery Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-06-06
Anticipated expiration: 2033-02-16

Abstract

The utility model discloses an anti-rust protection type water pump shaft which comprises a water pump shaft and an impeller, wherein one end of the water pump shaft is fixedly connected with a motor through a coupler, a rotating shaft groove is formed in the middle of the impeller, a water pump is sleeved in the impeller through the rotating shaft groove, the water pump shaft and a connector are fixedly installed through flat head bolts, the connector is welded at one end of the impeller, which is far away from the water pump shaft, a groove is formed at one end of the connector, which is far away from the impeller, a sealing cover is arranged in the groove to ensure the tightness of a joint of the water pump shaft and the impeller, and an oil inlet hole is formed in the impeller to penetrate through the communicating groove and the rotating shaft groove. The flat head bolt is arranged to connect the water pump shaft and the connector, so that the impeller is convenient to detach and replace in later period, the structure is simple, and the assembly is easy, so that the bolt can be conveniently and rapidly detached, and the time and the workload of overhauling and replacing the impeller are reduced.

Description

Rust-proof protection type water pump shaft

Technical Field

The utility model relates to the technical field related to water pump production accessories, in particular to an anti-rust protection type water pump shaft.

Background

The water pump is a machine for increasing the pressure of liquid and making it flow, and is a device for moving liquid or special fluid medium, i.e. a machine for applying work to fluid. Because the water pump is different in use environment and purpose, the fluid and the liquid conveyed by the water pump are different, wherein a plurality of liquids and fluids can damage the water pump, the common water pump shaft is made of low carbon steel, when the water pump is used, the water seal and the shaft are corroded due to the fact that the water is soaked in the water, the water seal loses the original effect, rust spots can corrode the water pump shaft and the bearing, a plurality of sediments can be accumulated on the rolling bodies of the bearing, the sediments can corrode the bearing, the rotating speed of the bearing is reduced, and the power consumption of the water pump is increased.

The existing water pump shaft is made of common steel, the rubber seal and the water pump shaft are sleeved together, a certain gap is formed between the rubber seal and the water pump shaft in a long-time working mode, corrosion is generated at the contact position of the water pump shaft and the rubber seal, water leakage faults of the water pump are easy to occur, the water pump shaft and the impeller are complex to install, the disassembly and the installation are time and labor consuming, and the impeller is more troublesome to overhaul and replace.

Disclosure of Invention

The utility model aims to provide an anti-rust protection type water pump shaft, which solves the problems in the prior art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an antirust protection type water pump shaft, includes water pump shaft and impeller, shaft coupling and motor fixed connection are passed through to water pump shaft one end, the pivot groove has been seted up at the impeller middle part, the pivot groove is established the water pump axle sleeve in the impeller, water pump shaft and connector pass through flat head bolt fixed mounting, the one end welding that the water pump shaft was kept away from to the impeller has the connector, the one end that the impeller was kept away from to the connector has been seted up flutedly, be equipped with sealed lid in the recess and guarantee the leakproofness of water pump shaft and impeller junction, set up the inlet port on the impeller and run through intercommunication recess and pivot groove.

As a further preference of the technical scheme, a first sliding groove is symmetrically formed in the inner wall of the groove, one end, close to the outer side, of the first sliding groove is communicated with a T-shaped groove, a push rod is connected in a sliding mode with the first sliding groove, one end, close to the outer side, of the push rod is fixedly connected with a pressing block, the pressing block is also connected in the T-shaped groove in a sliding mode, one end, fixedly connected with a first reset spring, of the pressing block is fixedly connected with the push rod, one end, close to the outer wall of the push rod, of the first reset spring is sleeved on the bottom of the T-shaped groove, and the other end of the first reset spring is fixedly connected with the bottom of the T-shaped groove.

As a further preferable mode of the technical scheme, a second sliding groove is symmetrically formed in the position, corresponding to the first sliding groove, of the sealing cover, a second reset spring is fixedly connected in the second sliding groove, a clamping block is fixedly connected to the other end of the second reset spring, and the clamping block is in sliding connection with the first sliding groove and the second sliding groove.

As a further preferable mode of the technical scheme, one end, close to the bottom of the groove, of the sealing cover is provided with a sealing sponge cushion, and a circle of sealing rubber ring is arranged at the position, close to the inner wall of the groove, of the sealing cover.

As a further preferable mode of the technical scheme, a cover handle is fixedly arranged in the middle of one end, far away from the connector, of the sealing cover, and vertical lines are arranged on the outer ring of the side face of the cover handle.

The utility model provides an anti-rust protection type water pump shaft, which has the following beneficial effects:

(1) The flat head bolt is arranged to connect the water pump shaft and the connector, so that the impeller is convenient to detach and replace in later period, the structure is simple, and the assembly is easy, so that the bolt can be conveniently and rapidly detached, and the time and the workload of overhauling and replacing the impeller are reduced.

(2) According to the utility model, the oil inlet is formed in the groove of the connector, so that butter can be injected into a gap at the joint of the water pump shaft and the impeller, a certain protection effect is achieved, and corrosion caused by water penetrating into the outer surface of the water pump shaft is prevented.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the connection structure of the connector and the sealing cover of the present utility model;

FIG. 3 is a side cross-sectional view of the connection head and water pump shaft connection of the present utility model;

FIG. 4 is a front cross-sectional view of the seal cap of the present utility model;

fig. 5 is an enlarged schematic view of the structure at a in the present utility model.

In the figure: 1. a water pump shaft; 2. an impeller; 3. a connector; 4. sealing cover; 5. a flat head bolt; 6. an oil inlet hole; 7. sealing rubber rings; 8. sealing the sponge cushion; 21. a rotating shaft groove; 30. a groove; 31. a first chute; 32. a T-shaped groove; 33. pressing the blocks; 34. a push rod; 35. a first reset spring; 41. a second chute; 42. a second reset spring; 43. a clamping block; 44. and a cover handle.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

The utility model provides the technical scheme that: the utility model provides an anti-rust protection type water pump shaft, as shown in fig. 1-3, is a overall structure schematic diagram of protection type water pump shaft, including water pump shaft 1 and impeller 2, water pump shaft 1 one end passes through shaft coupling and motor fixed connection, pivot groove 21 has been seted up at the impeller 2 middle part, pivot groove 21 establishes water pump shaft 1 cover in impeller 2, water pump shaft 1 and connector 3 pass through flat head bolt 5 fixed mounting, set up flat head bolt 5 and be connected water pump shaft 1 and connector 3 and be convenient for later stage need dismantle impeller 2 change, the one end that impeller 2 kept away from water pump shaft 1 welds connector 3, the one end that impeller 2 was kept away from to connector 3 has seted up recess 30, be equipped with sealed lid 4 in the recess 30 and guarantee the leakproofness of water pump shaft 1 and impeller 2 junction, set up oil inlet 6 on the impeller 2 and run through intercommunication recess 30 and pivot groove 21, set up oil inlet 6 and can inject pump shaft butter into the gap of water pump shaft 1 and impeller 2 junction, play certain guard action, prevent that water infiltration water 1 outward appearance from causing it to corrode.

In this embodiment, specific: as shown in fig. 2, fig. 4 and fig. 5, a schematic structure of the connection between the impeller 2 and the sealing cover 4 is shown, the inner wall of the groove 30 is symmetrically provided with a first chute 31, one end of the first chute 31 close to the outer side is respectively connected with a T-shaped groove 32, push rods 34 are slidably connected with the first chute 31 and the T-shaped groove 32, the top ends of the push rods 34 slide in the first chute 31 and are clamped at the connection edge of the first chute 31 and the T-shaped groove 32, one end of the push rods 34 close to the outer side is fixedly connected with a pressing block 33, the pressing block 33 is also slidably connected in the T-shaped groove 32, one end fixedly connected with a first return spring 35 is fixedly connected with one end of the pressing block 33 and the push rods 34, the first return spring 35 is sleeved on the outer wall of the push rods 34, the other end of the return spring 35 is fixedly connected with the bottom of the T-shaped groove 32, and the top ends of the push rods 34 are pushed inwards to push the clamping blocks 43 so as to separate from the first chute 31, and then the sealing cover 44 is pulled outwards to form the sealing cover 4.

In this embodiment, specific: the second sliding groove 41 is symmetrically formed in the position, corresponding to the first sliding groove 31, of the sealing cover 4, the second sliding groove 41 is internally fixedly connected with the second return spring 42, the other end of the second return spring 42 is fixedly connected with the clamping block 43, the clamping block 43 is in sliding connection with the first sliding groove 31 and the second sliding groove 41, when the sealing cover 4 needs to be arranged in the groove 30, the sealing cover 4 is aligned to the groove 30 to be pressed down, inward thrust is generated on the clamping block 43 by the inner wall of the groove 30, the second return spring 42 is extruded by the clamping block 43, and when the clamping block 43 moves to the position, corresponding to the first sliding groove 31 and the second sliding groove 41, the clamping block 43 smoothly slides into the first sliding groove 31 to fix the sealing cover 4.

In this embodiment, specific: the sealed pad 8 that seals up of one end that seals up 4 press close to recess 30 tank bottom is equipped with, and sealed pad 8 can seal up the head of parcel flat head bolt 5 completely, guarantees that it can not be by the water that leaks in causing rust problem, the sealed position that seals up 4 and recess 30 inner wall are pasted mutually is equipped with round sealing rubber ring 7, increases its leakproofness.

In this embodiment, specific: as shown in fig. 2, a cover handle 44 is fixedly installed in the middle of one end of the sealing cover 4 far away from the connector 3, and a vertical stripe path is arranged on the outer ring of the side surface of the cover handle 44, so that friction force between the cover handle and a hand is increased.

In summary, the specific use method of the rust-proof protection type water pump shaft disclosed by the utility model comprises the following steps:

when the rust-proof protection type water pump shaft is used, the pressing block 33 is pushed inwards firstly, the top end of the push rod 34 pushes the clamping block 43 to separate from the first sliding groove 31, the cover handle 44 is held to pull the sealing cover 4 outwards, after the sealing cover 4 is separated from the groove 30, the water pump shaft 1 is placed into the rotating shaft groove 21, the connector 3 and the water pump shaft 1 are fixedly connected by screwing the flat head bolt 5, after connection is finished, grease is injected into a gap between the water pump shaft 1 and the impeller 2 through the oil inlet hole 6, a certain protection effect is achieved, corrosion is prevented from being caused to the water penetrating into the outer surface of the water pump shaft 1, after operation is finished, the sealing cover 4 is arranged in the groove 30, the operation can be finished, the structure has strong tightness, the impeller 2 can be quickly disassembled and replaced, the replacement time is reduced, and the operation is convenient.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an antirust protection formula water pump shaft, includes water pump shaft (1) and impeller (2), its characterized in that: the utility model discloses a water pump shaft (1) one end is through shaft coupling and motor fixed connection, pivot groove (21) have been seted up at impeller (2) middle part, pivot groove (21) establish water pump shaft (1) cover in impeller (2), water pump shaft (1) and connector (3) are through flat head bolt (5) fixed mounting, the one end welding that impeller (2) kept away from water pump shaft (1) has connector (3), recess (30) have been seted up to the one end that impeller (2) were kept away from to connector (3), be equipped with sealed lid (4) in recess (30) and guarantee the leakproofness of water pump shaft (1) and impeller (2) junction, set up oil feed hole (6) on impeller (2) and run through intercommunication recess (30) and pivot groove (21).

2. The anti-rust protection type water pump shaft according to claim 1, wherein: the novel sliding groove is characterized in that a first sliding groove (31) is symmetrically formed in the inner wall of the groove (30), one end, close to the outer side, of the first sliding groove (31) is communicated with a T-shaped groove (32), a push rod (34) is connected in a sliding mode in the first sliding groove (31) and the T-shaped groove (32), one end, close to the outer side, of the push rod (34) is fixedly connected with a pressing block (33), the pressing block (33) is also connected in the T-shaped groove (32) in a sliding mode, one end, fixedly connected with a first reset spring (35), of the pressing block (33) is fixedly connected with the push rod (34), the first reset spring (35) is sleeved on the outer wall of the push rod (34), and the other end of the first reset spring (35) is fixedly connected with the bottom of the T-shaped groove (32).

3. The anti-rust protection type water pump shaft according to claim 2, wherein: the sealing cover (4) is symmetrically provided with a second sliding groove (41) at the position corresponding to the first sliding groove (31), a second return spring (42) is fixedly connected in the second sliding groove (41), a clamping block (43) is fixedly connected to the other end of the second return spring (42), and the clamping block (43) is in sliding connection with the first sliding groove (31) and the second sliding groove (41).

4. A rust protection water pump shaft according to claim 3, wherein: one end of the sealing cover (4) close to the bottom of the groove (30) is provided with a sealing sponge cushion (8), and a circle of sealing rubber ring (7) is arranged at the position of the sealing cover (4) which is attached to the inner wall of the groove (30).

5. The anti-rust protection type water pump shaft according to claim 4, wherein: the middle part of one end of the sealing cover (4) far away from the connector (3) is fixedly provided with a cover handle (44), and the outer ring of the side surface of the cover handle (44) is provided with vertical lines.