CN213628124U

CN213628124U - Telescopic rotating shaft in water pump

Info

Publication number: CN213628124U
Application number: CN202022470969.9U
Authority: CN
Inventors: 杭大强
Original assignee: Wuxi Dahong Mechanical Equipment Manufacturing Co ltd
Current assignee: Wuxi Dahong Mechanical Equipment Manufacturing Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-07-06
Anticipated expiration: 2030-10-31

Abstract

The utility model relates to a water pump shaft technical field specifically is a scalable axis of rotation in water pump, including the mounting panel, the shell is upwards installed at the mounting panel middle part, the shell middle part is run through the mounting panel and has been cup jointed the pump shaft pipe, the inside downside of pump shaft pipe is provided with the fixed axle, fixed axle upper end fixedly connected with spline housing, the spline housing downside is located fixed epaxial fixed mounting has the shaft shoulder, spline housing upside cover has the movable axle, the welding of movable axle lower extreme position in spline housing top has spacing shaft shoulder, spacing shaft shoulder below is located the fixed ring of swing joint on the movable axle. The shaft shoulder can prevent the drunkenness of spline housing, and spacing shaft shoulder prevents that solid fixed ring from coming off from the movable axle, and the movable axle removes flexible completion back in the spline housing, and rotatory solid fixed ring can make the movable axle fix in the spline housing to realize the flexible of axle, seal the counter shaft at the externally mounted shell of axle, prevented leaking of transportation liquid.

Description

Telescopic rotating shaft in water pump

Technical Field

The utility model relates to a water pump shaft technical field especially relates to a scalable axis of rotation in water pump.

Background

The main function of the pump shaft of the water pump is to transmit the torque input by the engine to the impeller and the fan, and provide the energy required by the work of the impeller and the fan, because the pump shaft of the water pump bears the bending moment and the torque simultaneously in the working process, the structure of the pump shaft of the water pump belongs to a rotating shaft in the classification of the shaft, the structure of the pump shaft of the water pump can be divided into a stepped shaft and an optical shaft according to the distribution and installation conditions of the load along the axis, and the pump shaft of the water pump mainly bears the static load and the alternating load caused by the belt wheel, the impeller and the fan in the processes of work and power transmission, so the static strength and the fatigue strength of the pump shaft of the water pump are calculated and.

The leakproofness of current water pump shaft sealing mechanism is poor, in-process pump shaft during operation can produce corresponding temperature using, especially the liquid of conveyer belt temperature or the external reason such as sunshine be heated, thereby can make the packing material be heated or the deformation that the pump case is heated, thereby it is long-time possible to influence the leakproofness, or influence life, bring inconvenience for the user, and widely used pump shaft model is unanimous in the present water pump, all be the mounting, can't make the adjustment on length, when the pump shaft is not suitable, can only select to change other pump shafts, it is inconvenient to use.

In order to solve the problems, the application provides a telescopic rotating shaft in a water pump.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For the technical problem who exists among the solution background art, the utility model provides a scalable axis of rotation in water pump has scalability and thermal diffusivity's characteristics.

(II) technical scheme

For solving the technical problem, the utility model provides a scalable axis of rotation in water pump, including the mounting panel, upwards install the shell in the middle part of the mounting panel upper surface, the vertical direction in shell middle part runs through the mounting panel and has cup jointed the pump shaft pipe, the pump shaft pipe is located the inside top welding of shell and has radiating fin, the pump shaft pipe is located the inside below of shell and is connected with the heat-absorbing component, the inside downside of pump shaft pipe is provided with the fixed axle, fixed axle upper end fixedly connected with spline housing, the spline housing downside is located fixed epaxial fixed mounting and has the shoulder, spline housing upside cover has the movable shaft, the movable shaft lower extreme is located the welding of spline housing top and has spacing shoulder, below the spacing shoulder is located movable epaxial swing joint and has solid fixed ring.

Preferably, the lower part of the limiting shaft shoulder is provided with an external thread at the lower end of the movable shaft, and the fixing ring is in threaded connection with the movable shaft.

Preferably, the fixed ring lower side and the spline housing contact surface are provided with a protective gasket.

Preferably, the middle part of the upper surface of the mounting plate is provided with a thread groove, and the thread groove is upwards in threaded connection with a shell.

Preferably, the distance from the limiting shaft shoulder to the bottom end of the movable shaft is greater than the length of the spline sleeve.

Preferably, the radiating fins are arranged in two groups and are arranged on the left outer side wall and the right outer side wall of the upper end of the pump shaft tube.

Preferably, the heat absorbing parts are arranged in two groups and are arranged on the left outer side wall and the right outer side wall of the lower end of the pump shaft pipe.

The above technical scheme of the utility model has following profitable technological effect:

1. the shaft shoulder can support the spline housing, prevents the drunkenness of spline housing, and the spacing shaft shoulder of setting is used for spacing solid fixed ring, prevents solid fixed ring from coming off from the movable epaxial, and the movable axle removes flexible completion back in the spline housing, and rotatory solid fixed ring can make the movable axle fix in the spline housing to realize the flexible of axle.

2. The shell countershaft of the externally mounted at the axle seals, has effectively prevented leaking of transportation liquid for the axle is avoided receiving the erosion of transportation liquid, and the radiating fin of installation and the heat-absorbing component in the shell can carry out effectual heat dissipation to the countershaft moreover, and the high temperature that the countershaft produced in-process rotates carries out the heat dissipation processing, improves the safety in utilization of device, also can prolong the life of axle.

Drawings

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

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

fig. 3 is a schematic structural view of the joint between the movable shaft and the fixing ring of the present invention.

Reference numerals:

1. a fixed shaft; 2. a movable shaft; 3. a shaft shoulder; 4. a limiting shaft shoulder; 5. a fixing ring; 6. a spline housing; 7. a pump shaft tube; 8. a housing; 9. mounting a plate; 10. a thread groove; 11. a heat dissipating fin; 12. a heat sink member; 13. and (4) external threads.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, a telescopic rotating shaft in a water pump comprises a mounting plate 9, a housing 8 is mounted on the middle of the upper surface of the mounting plate 9, a pump shaft tube 7 is sleeved on the housing 8 in a vertical direction and penetrates through the mounting plate 9, a heat dissipating fin 11 is welded on the pump shaft tube 7 above the housing 8, a heat absorbing component 12 is connected on the pump shaft tube 7 below the housing 8, a fixed shaft 1 is arranged on the lower side of the inside of the pump shaft tube 7, a spline housing 6 is fixedly connected on the upper end of the fixed shaft 1, a shaft shoulder 3 is fixedly mounted on the fixed shaft 1 on the lower side of the spline housing 6, a movable shaft 2 is sleeved on the spline housing 6, a limiting shaft shoulder 4 is welded on the spline housing 6 at the lower end of the movable shaft 2, a fixed ring 5 is movably connected on the movable shaft 2 below the limiting shaft shoulder 4, the shaft shoulder 3 can abut against the spline housing 6 to prevent the spline housing, prevent that solid fixed ring 5 from droing from movable shaft 2, movable shaft 2 removes in spline housing 6 telescopically, rotatory solid fixed ring 5 can make movable shaft 2 fix in spline housing 6, realize the flexible of axle, and 8 counter shafts at the externally mounted's of axle shell seal, prevent transporting the external leakage of liquid, make the axle avoid receiving the erosion of transporting liquid, and radiating fin 11 and the heat-absorbing component 12 of supplementary installation can dispel the heat to the axle in shell 8 in addition, prolong the life of axle.

Fig. 1 is the utility model discloses a front view, the 2 lower extremes of the below position-limiting shaft shoulder 4 in the movable axle are provided with external screw thread 13, and solid fixed ring 5 is threaded connection with movable axle 2, has not only realized fixing movable axle 2 and spline housing 6, convenient operation moreover.

In this embodiment, the contact surface between the lower side of the fixing ring 5 and the spline housing 6 is provided with a protective gasket for protecting the spline housing 6 from abrasion and prolonging the service life of the telescopic shaft.

As shown in fig. 1, a thread groove 10 is formed in the middle of the upper surface of the mounting plate 9, and the thread groove 10 is in upward threaded connection with the housing 8, so that the housing 8 is convenient to detach and mount and convenient to replace.

It should be noted that, the distance of spacing shaft shoulder 4 distance movable shaft 2 bottom should be greater than the length of spline housing 6, prevents that the inside shaft length of spline housing 6 is too short, has reduced the intensity of whole telescopic shaft, has guaranteed the work safety of axle.

It should be noted that, the two sets of heat dissipation fins 11 are installed on the left and right outer side walls of the upper end of the pump shaft tube 7, and perform heat dissipation treatment on the high temperature generated in the shaft rotation process, thereby improving the use safety of the device.

In this embodiment, the heat absorbing members 12 are provided in two sets and are mounted on the left and right outer sidewalls of the lower end of the pump shaft tube 7, and the auxiliary heat dissipating fins 11 dissipate heat from the shaft.

The utility model discloses a theory of operation and use flow: the shaft shoulder 3 that sets up is used for supporting spline housing 6, prevent rocking of spline housing 6, the spacing shaft shoulder 4 of setting is used for spacing solid fixed ring 5, prevent solid fixed ring 5 from droing from portable axle 2, with portable axle 2 reciprocate flexible in spline housing 6, flexible to suitable length after, rotatory solid fixed ring 5 makes portable axle 2 fixed in spline housing 6, thereby realize the flexible of axle, and 8 counter shafts of shell at the externally mounted of axle seal, effectively prevented the external leakage of transportation liquid, make the axle avoid receiving the erosion of transportation liquid, and radiating fin 11 and the heat absorbing component 12 of installation can carry out effectual heat dissipation to the counter shaft in shell 8, the high temperature that produces carries out the heat dissipation processing among the counter shaft rotation process, improve the safety in utilization of device, also can prolong the life of axle.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The telescopic rotating shaft in the water pump comprises a mounting plate (9) and is characterized in that a shell (8) is upwards mounted in the middle of the upper surface of the mounting plate (9), a pump shaft tube (7) is sleeved on the mounting plate (9) in the middle of the shell (8) in the vertical direction, the pump shaft tube (7) is positioned above the shell (8) and welded with radiating fins (11), a heat absorbing component (12) is connected below the inner part of the shell (8) in the pump shaft tube (7), a fixed shaft (1) is arranged on the lower side of the inner part of the pump shaft tube (7), a spline sleeve (6) is fixedly connected to the upper end of the fixed shaft (1), a shaft shoulder (3) is fixedly mounted on the fixed shaft (1) on the lower side of the spline sleeve (6), a movable shaft (2) is sleeved on the upper side of the spline sleeve (6), a limiting shaft shoulder (4) is welded on the spline, the lower part of the limiting shaft shoulder (4) is movably connected with a fixing ring (5) on the movable shaft (2).

2. The telescopic rotating shaft in the water pump as claimed in claim 1, wherein an external thread (13) is arranged below the limiting shaft shoulder (4) and at the lower end of the movable shaft (2), and the fixing ring (5) is in threaded connection with the movable shaft (2).

3. The telescopic rotating shaft in the water pump as claimed in claim 1, wherein the contact surface of the lower side of the fixing ring (5) and the spline housing (6) is provided with a protective gasket.

4. The telescopic rotating shaft in the water pump as claimed in claim 1, wherein a thread groove (10) is formed in the middle of the upper surface of the mounting plate (9), and the thread groove (10) is upwards in threaded connection with the housing (8).

5. The telescopic rotating shaft in the water pump as claimed in claim 1, wherein the distance from the limiting shaft shoulder (4) to the bottom end of the movable shaft (2) is greater than the length of the spline housing (6).

6. The telescopic rotating shaft in a water pump as claimed in claim 1, wherein the heat dissipating fins (11) are provided in two sets and are installed on the left and right outer sidewalls of the upper end of the pump shaft tube (7).

7. The telescopic rotary shaft in a water pump according to claim 1, wherein the heat absorbing members (12) are provided in two sets and are installed on both left and right outer sidewalls of the lower end of the pump shaft tube (7).