CN219562941U

CN219562941U - Bearing dismounting sleeve

Info

Publication number: CN219562941U
Application number: CN202221185655.7U
Authority: CN
Inventors: 汪蓉; 陈门省; 莫春川; 林哲民; 王军营; 丰原源; 甘磊; 惠三虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2023-08-22
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a bearing dismounting sleeve, which relates to the technical field of bearing dismounting tools, and comprises a small sleeve, wherein the top of the small sleeve is connected with a first nut, a threaded rod is arranged in the first nut, and the upper end of the threaded rod is connected with a second nut; the bottom of the front side wall of the small sleeve is provided with a bearing placing port I; the bottom of the small sleeve is provided with a first bearing clamping plate, a second bearing placing port is formed in the first bearing clamping plate, and the second bearing placing port is communicated with the first bearing placing port. The utility model can detach the bearing with various specifications in a larger range, and in the process of detaching the bearing, the bearing clamping plate applies detaching force to the bearing, so that the bearing is uniformly stressed and is not easy to deform or damage.

Description

Bearing dismounting sleeve

Technical Field

The utility model relates to the technical field of bearing dismounting tools, in particular to a bearing dismounting sleeve.

Background

In the processes of automobile detection, maintenance and disassembly and assembly of electrical components, bearings with different sizes and specifications can be disassembled and replaced. The traditional bearing dismounting tool mainly comprises two-jaw pullers, three-jaw pullers and the like, but when the pullers are used for dismounting the bearing, the problems that the bearing is uneven in stress and large in influence on the integrity of the bearing sometimes exist, and the two-jaw pullers and the three-jaw pullers are easy to fall off in the dismounting process.

Disclosure of Invention

The utility model aims to provide a bearing dismounting sleeve which solves at least one technical problem in the background art.

The utility model is realized by the following technical scheme:

the bearing dismounting sleeve comprises a small sleeve, wherein the top of the small sleeve is connected with a first nut, a threaded rod is arranged in the first nut, and the upper end of the threaded rod is connected with a second nut; the bottom of the front side wall of the small sleeve is provided with a bearing placing port I; the bottom of the small sleeve is provided with a first bearing clamping plate, a second bearing placing port is formed in the first bearing clamping plate, and the second bearing placing port is communicated with the first bearing placing port.

In the bearing dismounting sleeve, the lower end of the threaded rod is a conical end.

The bearing dismounting sleeve further comprises a large sleeve, and a bearing placing port III is formed in the bottom of the front side wall of the large sleeve; the bottom of the large sleeve is provided with a second bearing clamping plate, the second bearing clamping plate is provided with a fourth bearing placing port, and the fourth bearing placing port is communicated with the third bearing placing port; the top of the large sleeve is provided with a small sleeve channel, the small sleeve can be sleeved into the large sleeve from the small sleeve channel, and the small sleeve and the large sleeve are connected through bolts and nuts.

In the bearing dismounting sleeve, the left side wall and the right side wall of the small sleeve and the large sleeve are respectively provided with a group of through holes with different heights.

In the bearing dismounting sleeve, nuts are connected to the inner wall of the small sleeve at the arrangement positions of the through holes.

Advantageous effects

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

1. the utility model can detach the bearing with various specifications in a larger range, and in the process of detaching the bearing, the bearing clamping plate applies detaching force to the bearing, so that the bearing is uniformly stressed and is not easy to deform or damage.

2. The utility model has a certain fixing effect on the bearing, the sleeve and the bearing are not easy to fall off in the process of bearing disassembly, the disassembly is stable, and the time and the labor are saved.

3. When the bearing is used for disassembling the sleeve, the work of disassembling the bearing can be completed only by matching the open end wrench with the double offset ring wrench.

4. When the utility model is used, the torque wrench can be used for assisting when the bearing is fixed on the shaft tightly so as to reduce manual force; a quick wrench may be used when removing some small-sized bearings, thereby improving the removal speed.

5. The utility model can be matched and disassembled by the sliding hammer, and is convenient and labor-saving.

6. The utility model has simple size adjustment, the size can be adjusted through the connection of the small sleeve and the large sleeve, and the length can be adjusted through the installation of different through holes of the small sleeve and the large sleeve. Through actual measurement, the utility model can detach the bearings sleeved on the rotor shafts of various generators of the automobile, the bearings sleeved on the rotor shafts of various starters of the automobile, the bearings sleeved on the inner shaft of the manual transmission of the automobile, or the bearings in gears, the automobile differential, the speed reducer and the like.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

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

FIG. 2 is a schematic elevational view of the connection of the small sleeve and threaded rod;

FIG. 3 is a schematic side view of a small sleeve;

FIG. 4 is a schematic view of a first bearing retainer plate;

FIG. 5 is a schematic front view of a large sleeve;

FIG. 6 is a side view schematic of a large sleeve;

FIG. 7 is a schematic view of a second bearing retainer plate;

FIG. 8 is a schematic view of the usage state of embodiment 1; (arrow indicates the rotation of the threaded rod)

FIG. 9 is a schematic view showing the use state of embodiment 2; (arrow indicates the direction of movement of the slide hammer when the bearing is removed)

FIG. 10 is a schematic view showing the use state of embodiment 3; (arrow indicates the rotation of the threaded rod)

In the figure: the novel high-precision hammer comprises a small sleeve I, a small nut I, a threaded rod 3, a threaded rod 4, a nut II, a bearing insert I5, a bearing clamping plate I6, a bearing insert I7, a conical end 8, a large sleeve 9, a bearing insert I10, a bearing clamping plate II 11, a bearing insert I12, a bolt 13, a nut 14, a through hole 15, a bearing 16, a shaft 17, a part 18, a spanner 19, a spanner 20 and a sliding hammer 21.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "a" and "an" and "the" in the description of the present utility model, the claims and the above drawings are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary welded construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The embodiment 1 is a bearing dismounting sleeve, as shown in fig. 2-4, comprising a small sleeve 1, wherein the top of the small sleeve 1 is connected with a first nut 2, a threaded rod 3 is arranged in the first nut 2, and the upper end of the threaded rod 3 is connected with a second nut 4; the bottom of the front side wall of the small sleeve 1 is provided with a bearing placing port I5; the bottom of the small sleeve 1 is provided with a first bearing clamping plate 6, the first bearing clamping plate 6 is provided with a second bearing placing port 7, and the second bearing placing port 7 is communicated with the first bearing placing port 5.

The lower end of the threaded rod 3 is provided with a conical end 8. The conical end 8 reduces the friction coefficient when in use, and facilitates the rotation of the threaded rod 3.

When the bearing is used, the bearing clamping device is suitable for disassembling a bearing with a smaller size, as shown in fig. 8, the shaft 17 and the upper bearing 16 thereof are placed into the small sleeve 1 through the first bearing placing port 5 and the second bearing placing port 7, and the bearing 16 is placed on the first bearing clamping plate 6. The bearing dismounting sleeve is matched with two wrenches to be used, one of the wrenches I19 clamps and fixes the nut I2 and is fixed, the other wrench II 20 is fixed on the nut II 4 to rotate, the threaded rod 3 gradually moves towards the bearing 16, when the threaded rod 3 is propped against the end part of the shaft 17, the wrench II 20 is continuously used for rotating the threaded rod 3, and the bearing 16 can be taken off from the shaft 17 by the bearing clamping plate I6.

Embodiment 2, a bearing removing sleeve, in which a large sleeve is sleeved on a small sleeve 1 of embodiment 1, is constructed as shown in fig. 1, so as to be suitable for bearing removing operations of larger size.

The embodiment also comprises a large sleeve 9, and the bottom of the front side wall of the large sleeve 9 is provided with a bearing placing port III 10; the bottom of the large sleeve 9 is provided with a second bearing clamping plate 11, the second bearing clamping plate 11 is provided with a fourth bearing placing port 12, and the fourth bearing placing port 12 is communicated with a third bearing placing port 10; the top of the large sleeve 9 is provided with a small sleeve channel, the small sleeve 1 can be sleeved into the large sleeve 9 from the small sleeve channel, and the small sleeve 1 and the large sleeve 9 are connected through a bolt 13 and a nut 14.

The left and right side walls of the small sleeve 1 and the large sleeve 9 are respectively provided with a group of through holes 15 with different heights. The large sleeve 9 is sleeved outside the small sleeve 1, and the gap between the large sleeve and the small sleeve is about 1mm.

The inner wall of the small sleeve 1 is connected with nuts 14 at the arrangement position of the through holes 15.

The through holes 15 with different heights enable the small sleeve 1 and the large sleeve 9 to be connected at different mounting positions, specifically the bolts 13 sequentially penetrate through the through holes 15 of the large sleeve 9 and the small sleeve 1 and are connected with the nuts 14, so that bearings with different fixing positions on the shaft can be detached better.

The method of using the bearing removing sleeve of this embodiment is similar to that of embodiment 1, and the use state is as shown in fig. 9, and when the bearing is specifically removed, the shaft 17 and the upper bearing 16 thereof are put into the large sleeve 9 through the bearing putting-in port four 12 and the bearing putting-in port three 10. Two wrenches are used for cooperation, a first wrench 19 is used for clamping and fixing a first nut 2 and keeping the first nut stationary, a second wrench 20 is used for fixing the second nut 4 for rotation, the threaded rod 3 gradually moves towards the bearing 16, the bearing 16 is arranged on the bearing clamping plate two 11, when the threaded rod 3 is propped against the end of the shaft 17, the threaded rod 3 is continuously rotated by the second wrench 20, and the bearing clamping plate two 11 can take the bearing 16 off the shaft 17.

Embodiment 3, a bearing release sleeve, has the same structure as embodiment 2 and is used in a different manner. The sliding rod of the sliding hammer is provided with threads or screw members at the front end part, when the bearing 16 is disassembled, the end part of the sliding rod is connected with the second nut 4, the bearing 16 is arranged on the second bearing clamping plate 11, the sliding rod moves to the rear end of the sliding rod rapidly through the sliding hammer for multiple times, the rear end blocking member is impacted, and the kinetic energy of the sliding hammer drives the whole sliding hammer device and the bearing disassembling sleeve to pull the bearing 16 from the shaft 17.

The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made 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

1. A sleeve is dismantled to bearing, its characterized in that: the nut comprises a small sleeve (1), wherein the top of the small sleeve (1) is connected with a first nut (2), a threaded rod (3) is arranged in the first nut (2), and the upper end of the threaded rod (3) is connected with a second nut (4); the bottom of the front side wall of the small sleeve (1) is provided with a bearing placing port I (5); the bottom of the small sleeve (1) is provided with a first bearing clamping plate (6), the first bearing clamping plate (6) is provided with a second bearing placing port (7), and the second bearing placing port (7) is communicated with the first bearing placing port (5).

2. The bearing removal sleeve of claim 1, wherein: the lower end of the threaded rod (3) is provided with a conical end (8).

3. The bearing removal sleeve of claim 1, wherein: the bearing assembly further comprises a large sleeve (9), and a bearing placing port III (10) is arranged at the bottom of the front side wall of the large sleeve (9); the bottom of the large sleeve (9) is provided with a second bearing clamping plate (11), the second bearing clamping plate (11) is provided with a fourth bearing placing port (12), and the fourth bearing placing port (12) is communicated with a third bearing placing port (10); the top of the big sleeve (9) is provided with a small sleeve channel, the small sleeve (1) can be sleeved into the big sleeve (9) from the small sleeve channel, and the small sleeve (1) and the big sleeve (9) are connected through a bolt (13) and a nut (14).

4. A bearing removal sleeve as claimed in claim 3, wherein: the left and right side walls of the small sleeve (1) and the large sleeve (9) are respectively provided with a group of through holes (15) with different heights.

5. A bearing removal sleeve as claimed in claim 3, wherein: the inner wall of the small sleeve (1) is connected with nuts (14) at the arrangement position of the through hole (15).