CN219213010U - Guiding installation tool for pump shaft sleeve - Google Patents

Abstract

The utility model discloses a guide mounting tool for a shaft sleeve of a pump shaft, which is applied to mounting the shaft sleeve on the pump shaft, wherein the pump shaft comprises a shaft head and a shaft neck, a shaft shoulder is arranged at the joint of the shaft head and the shaft neck, the guide mounting tool comprises a guide sleeve, and the guide sleeve is sleeved on the shaft head and the shaft shoulder; one end of the guide sleeve is provided with a guide part, the other end of the guide sleeve is provided with a handle part, the outer diameter of the guide part is smaller than that of the handle part, and the outer diameter of the guide part is equal to that of the shaft neck; the shaft sleeve is sleeved on the guide part; the front end of the guide part is closely attached to the journal, and the outer edge surface of the guide part is flush with the outer edge surface of the journal. The utility model can rapidly complete the shaft sleeve installation work, avoid damaging the shaft sleeve, reduce waste and improve the working efficiency.

Description

Guiding installation tool for pump shaft sleeve

Technical Field

The utility model relates to the technical field of pump shaft sleeve installation, in particular to a guide installation tool of a pump shaft sleeve.

Background

In order to prevent oil throwing accidents caused by overlarge gaps between a pump shaft and a framework oil seal, a shaft sleeve is usually additionally arranged at a shaft neck part of the pump shaft, and the shaft sleeve is in interference fit with the shaft neck part. Because the thickness of the existing shaft sleeve is only 0.2mm, during normal cold installation, the manual installation can cause uneven stress, the installation is not suitable to be successful, the shaft sleeve is easy to damage, and waste is caused; in the case of thermal installation, the shaft sleeve is too thin to cool and cannot be installed by a heating method, so that a guiding installation tool for the shaft sleeve of the pump shaft is urgently needed.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides a guiding installation tool for a pump shaft sleeve.

The utility model discloses a guide mounting tool for a shaft sleeve of a pump shaft, which is applied to mounting the shaft sleeve on the pump shaft, wherein the pump shaft comprises a shaft head and a shaft neck, a shaft shoulder is arranged at the joint of the shaft head and the shaft neck, the guide mounting tool comprises a guide sleeve, and the guide sleeve is sleeved on the shaft head and the shaft shoulder;

one end of the guide sleeve is provided with a guide part, the other end of the guide sleeve is provided with a handle part, the outer diameter of the guide part is smaller than that of the handle part, and the outer diameter of the guide part is equal to that of the shaft neck; the shaft sleeve is sleeved on the guide part;

the front end of the guide part is tightly attached to the shaft neck, and the outer edge surface of the guide part is flush with the outer edge surface of the shaft neck.

As a further improvement of the utility model, a through hole is arranged in the guide sleeve along the axial direction, and the through hole comprises a shaft shoulder hole arranged in the front end of the guide part and a shaft head hole arranged in the rear end of the guide part and the handle part;

the shaft shoulder hole is matched with the outer edge contour of the shaft shoulder, and the shaft head hole is matched with the outer edge contour of the shaft head.

As a further development of the utility model, the guide sleeve is circular in cross section.

As a further improvement of the utility model, the guide sleeve is made of polyethylene.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the guide sleeve is arranged, the guide part is arranged at one end of the guide sleeve, the shaft sleeve is sleeved on the guide part, and the outer diameter of the guide part is consistent with the outer diameter of the shaft neck, so that the installation work of the shaft sleeve can be rapidly completed, the shaft sleeve is effectively prevented from being damaged, the waste is reduced, and the installation work efficiency of the shaft sleeve is improved.

Drawings

FIG. 1 is a front structural perspective view of a guide mounting tool for a pump shaft sleeve according to one embodiment of the present utility model;

FIG. 2 is a rear structural perspective view of a guide mounting tool for a pump shaft sleeve according to one embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a sleeve mounting tool for guiding a pump shaft sleeve according to one embodiment of the present utility model.

In the figure:

1. a guide sleeve; 11. a guide part; 12. a handle portion; 13. a through hole; 131. a shoulder hole; 132. a shaft head hole; 2. a pump shaft; 21. a journal; 22. a shaft head; 23. a shaft shoulder; 3. a shaft sleeve.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model is described in further detail below with reference to the attached drawing figures:

as shown in fig. 1-3, the utility model provides a guiding installation tool for a shaft sleeve of a pump shaft, which is applied to installing the shaft sleeve 3 on the pump shaft 2, the pump shaft 2 comprises a shaft head 22 and a shaft neck 21, a shaft shoulder 23 is arranged at the joint of the shaft head 22 and the shaft neck 21, the guiding installation tool comprises a guiding sleeve 1, and the guiding sleeve 1 is sleeved on the shaft head 22 and the shaft shoulder 23; one end of the guide sleeve 1 is provided with a guide part 11, the other end is provided with a handle part 12, the outer diameter of the guide part 11 is smaller than that of the handle part 12, and the outer diameter of the guide part 11 is equal to that of the shaft neck 21; the shaft sleeve 3 is sleeved on the guide part 11; the front end of the guide part 11 is closely attached to the journal 21, and the outer edge surface of the guide part 11 is flush with the outer edge surface of the journal 21.

According to the utility model, the guide sleeve 1 is arranged, the guide part 11 is arranged at one end of the guide sleeve 1, the shaft sleeve 3 is sleeved on the guide part 11, and the outer diameter of the guide part 11 is consistent with the outer diameter of the shaft neck 21, so that the installation work of the shaft sleeve 3 can be rapidly completed, the shaft sleeve 3 is effectively prevented from being damaged, the waste is reduced, and the installation work efficiency of the shaft sleeve 3 is improved.

Specific:

as shown in fig. 3, a through hole 13 is axially arranged in the guide sleeve 1 in the utility model, and the through hole 13 comprises a shaft shoulder hole 131 arranged in the front end of the guide part and a shaft head hole 132 arranged in the rear end of the guide part 11 and the handle part 12; the shaft shoulder hole 131 is communicated with the shaft head hole 132, the shaft shoulder hole 131 is matched with the outer edge contour of the shaft shoulder 23, and the shaft head hole 132 is matched with the outer edge contour of the shaft head 21 so as to ensure that the guide sleeve can be firmly and stably sleeved on the pump shaft 2.

Further, the cross section of the guide sleeve 1 in the present utility model is circular, that is, the guide portion 11 and the handle portion 12 in the present utility model are both cylindrical structures.

Furthermore, the guide sleeve 1 is made of polyethylene, so that the characteristic of low rigidity of the polyethylene material can be effectively utilized, and the shaft sleeve 3 can be conveniently and initially installed on the guide part 11 of the guide sleeve 1.

As shown in fig. 3, the method of using the present utility model:

1) Selecting a proper guide sleeve 1 according to the outer contour size and shape of the pump shaft 2 of the shaft sleeve 3 to be installed;

2) Sleeving the shaft sleeve 3 to be installed on the guide part 11 of the guide sleeve 1, sleeving the guide sleeve 1 on the shaft shoulder 23 and the shaft head 21 of the pump shaft 2, ensuring that the front end of the guide part 11 of the guide sleeve 1 is tightly attached to the shaft neck 21, and ensuring that the outer edge surface of the guide part 11 is flush with the outer edge surface of the shaft neck 21;

3) The operator uniformly smears lubricating grease on the outer edge surface of the journal 21;

4) The shaft sleeve 3 sleeved on the guide part 11 is pushed towards the shaft neck 21, so that the shaft sleeve 3 is quickly slid into the shaft neck 21 by the guide part 11 to be fixed in place under the lubrication of grease;

5) And pulling out the guide sleeve 1 backwards to separate the guide sleeve 1 from the pump shaft 2, so as to complete the quick installation of the primary shaft sleeve 3.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (4)

1. The guide mounting tool for the shaft sleeve of the pump shaft is applied to mounting the shaft sleeve on the pump shaft, the pump shaft comprises a shaft head and a shaft neck, and a shaft shoulder is arranged at the joint of the shaft head and the shaft neck;

one end of the guide sleeve is provided with a guide part, the other end of the guide sleeve is provided with a handle part, the outer diameter of the guide part is smaller than that of the handle part, and the outer diameter of the guide part is equal to that of the shaft neck; the shaft sleeve is sleeved on the guide part;

the front end of the guide part is tightly attached to the shaft neck, and the outer edge surface of the guide part is flush with the outer edge surface of the shaft neck.

2. The guide mounting tool for the pump shaft sleeve according to claim 1, wherein a through hole is axially provided in the guide sleeve, the through hole including a shoulder hole provided in the inside of the front end of the guide portion and a head hole provided in the inside of the rear end of the guide portion and the handle portion;

the shaft shoulder hole is matched with the outer edge contour of the shaft shoulder, and the shaft head hole is matched with the outer edge contour of the shaft head.

3. The guide installation tool of a pump shaft sleeve of claim 1, wherein the guide sleeve is circular in cross-section.

4. The guide mounting tool for a pump shaft sleeve according to claim 1, wherein the guide sleeve is made of polyethylene.

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