CN215548360U

CN215548360U - Ceramic bearing extracting tool

Info

Publication number: CN215548360U
Application number: CN202121676978.1U
Authority: CN
Inventors: 苏海军
Original assignee: Hubei Super Aviation Technology Co ltd
Current assignee: Hubei Super Aviation Technology Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-01-18
Anticipated expiration: 2031-07-22

Abstract

The utility model relates to a ceramic bearing extracting tool, characterized by that, it includes: the seat is used for being clamped on one side of the ceramic bearing; a nut for mounting on the other side of the ceramic bearing; the screw penetrates through the nut and is in threaded connection with the seat, and the screw is in threaded connection with the nut; when the disassembling tool is installed on the ceramic bearing, the screw rod drives the seat and the ceramic bearing to move towards the direction close to the nut by rotating the nut. Therefore, the ceramic bearing can be easily disassembled by the disassembling tool, the ceramic bearing does not need to be broken when the ceramic bearing is disassembled, and the ceramic bearing mounting hole is not damaged.

Description

Ceramic bearing extracting tool

Technical Field

The utility model relates to the field of disassembling tools, in particular to a ceramic bearing disassembling tool.

Background

The bearing is an important part in modern mechanical equipment at present, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body, and the bearing is worn and damaged in the long-term use process and needs to be timely disassembled by equipment maintenance personnel for replacement.

In the related art, when a ceramic bearing on an electric pump swing frame on an airplane is disassembled, an engineer needs to hold a punch with one hand to align with the ceramic bearing and hold a hammer to knock the punch to break the ceramic bearing, and then the ceramic bearing is taken out from a swing frame bearing hole in a destructive manner in a manner of breaking the ceramic bearing.

However, the ceramic bearing can be damaged thoroughly due to too violent disassembly, in addition, in the knocking process, the punch is held by hands to align to the ceramic bearing, the impact direction of the punch cannot be accurately mastered when the punch is knocked by a hammer, and the ceramic bearing mounting hole of the swing frame is easily damaged.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a ceramic bearing disassembling tool, which aims to solve the problems that a ceramic bearing is not easy to disassemble in the related technology, and the ceramic bearing can be broken and a ceramic bearing mounting hole can be damaged when the ceramic bearing is disassembled.

In a first aspect, a ceramic bearing removal tool is provided, which includes: the seat is used for being clamped on one side of the ceramic bearing; a nut for mounting on the other side of the ceramic bearing; the screw penetrates through the nut and is in threaded connection with the seat, and the screw is in threaded connection with the nut; when the disassembling tool is installed on the ceramic bearing, the screw rod drives the seat and the ceramic bearing to move towards the direction close to the nut by rotating the nut.

In some embodiments, the seat has a protrusion for mounting in the hole of the ceramic bearing, the seat is in threaded connection with the screw rod through the protrusion, and the seat has a clamping surface for clamping on the end surface of the ceramic bearing.

In some embodiments, a side of the screw rod adjacent to the seat has a first thread, the screw rod is in threaded connection with the seat through the first thread, the screw rod further has a second thread spaced from the first thread, the screw rod is in threaded connection with the nut through the second thread, and a diameter of the first thread is smaller than a diameter of the second thread.

In some embodiments, a sleeve is located between the seat and the nut, one end of the sleeve is used for abutting against the outside of a swing frame for mounting the ceramic bearing, and the other end of the sleeve is in contact with the nut.

In some embodiments, a side of the sleeve adjacent to the seat defines a recess for receiving the ceramic bearing.

In some embodiments, the sleeve is provided with a through hole, the inner diameter of the through hole is smaller than the outer diameter of the nut, and the screw penetrates through the nut and the through hole to be in threaded connection with the seat.

In some embodiments, a first seam allowance is arranged on one side of the nut close to the sleeve, and a second seam allowance matched with the first seam allowance is arranged on one side of the sleeve close to the nut.

In some embodiments, grease is injected where the sleeve contacts the nut.

In some embodiments, the nut is provided with a first handle on the side.

In some embodiments, a second handle is provided on a side of an end of the screw remote from the seat.

The technical scheme provided by the utility model has the beneficial effects that:

the embodiment of the utility model provides a ceramic bearing dismounting tool, which comprises a seat, a nut and a screw rod, wherein the seat is used for being clamped on one side of a ceramic bearing, the nut is used for being installed on the other side opposite to the ceramic bearing, the screw rod penetrates through the nut to be in threaded connection with the seat, and is in threaded connection with the nut.

Drawings

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

Fig. 1 is a schematic structural diagram of a ceramic bearing removal tool according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a seat of a ceramic bearing removal tool according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a nut in a ceramic bearing removal tool according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a screw in a ceramic bearing removal tool according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a sleeve in a ceramic bearing removal tool according to an embodiment of the present invention.

In the figure:

1. a seat; 11. a protrusion; 2. sleeving; 3. a nut; 4. a screw; 41. a first thread; 42. a second thread.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The embodiment of the utility model provides a ceramic bearing disassembling tool, which can solve the problems that a ceramic bearing is not easy to disassemble, the ceramic bearing can be broken when the ceramic bearing is disassembled, and a ceramic bearing mounting hole is damaged.

Referring to fig. 1, a ceramic bearing removal tool according to an embodiment of the present invention may include: the size of the seat 1 is larger than the size of the inner diameter of the ceramic bearing hole, in the embodiment, the seat 1 can be circular, in other embodiments, the seat 1 can be square or other shapes, and the seat 1 can be used for being clamped on one side of the ceramic bearing; the nut 3, the nut 3 can be used for installing on another side of the ceramic bearing, the ceramic bearing is clamped between nut 3 and seat 1; the screw rod 4 can penetrate through the nut 3 and is in threaded connection with the seat 1, and the screw rod 4 can also be in threaded connection with the nut 3; when extracting tool installs on ceramic bearing, can keep away from the one end of seat 1 through spanner clamping screw 4, clamping screw 4's outer hexagonal restriction screw 4 rotates promptly, can rotate nut 3 through another spanner, under the screw-thread fit of nut 3 and screw rod 4, make screw rod 4 drive seat 1 and ceramic bearing toward the direction removal that is close to nut 3, dismantle ceramic bearing from ceramic bearing mounting hole in, therefore, through this extracting tool, can be easy dismantlement ceramic bearing, ceramic bearing need not break up ceramic bearing when dismantling ceramic bearing, and can not harm the ceramic bearing mounting hole.

Referring to fig. 1 and 2, in some embodiments, the seat 1 may have a protrusion 11, an outer diameter of the protrusion 11 may be smaller than or equal to an inner diameter of a hole of the ceramic bearing, and the protrusion 11 may be configured to be installed in the hole of the ceramic bearing, in this embodiment, an outer diameter of the protrusion 11 may be matched with an inner diameter of the hole of the ceramic bearing, the protrusion 11 may be just placed in the hole of the ceramic bearing, so as to facilitate the installation of the protrusion 11 in the hole of the ceramic bearing, in other embodiments, an outer diameter of the protrusion 11 may be other size smaller than the inner diameter of the hole of the ceramic bearing, a threaded hole is formed inside the protrusion 11, the seat 1 may be in threaded connection with the screw rod 4 through the threaded hole of the protrusion 11, the seat 1 may further have a clamping surface configured to be clamped on an end surface of the ceramic bearing, the clamping surface may be matched with the end surface of the ceramic bearing, by providing the protrusion 11 and the clamping surface on the seat 1, can improve the joint effect of seat 1, let seat 1 can be more convenient dismantle ceramic bearing from ceramic bearing mounting hole in.

Referring to fig. 1 and 4, in some embodiments, one side of the screw rod 4 close to the seat 1 may be provided with a first thread 41, the screw rod 4 may be in threaded connection with the seat 1 through the first thread 41, and the other side of the screw rod 4 may be provided with a second thread 42, in this embodiment, the second thread 42 is spaced from the first thread 41, in other embodiments, the first thread 41 and the second thread 42 may be continuously arranged, the screw rod 4 may be in threaded connection with the nut 3 through the second thread 42, the diameter of the first thread 41 is smaller than that of the second thread 42, and the screw rod 4 is provided with the second thread 42 and the first thread 41 which are respectively larger and smaller, so as to facilitate the screw rod 4 to be in threaded connection with the nut 3 and the seat 1.

Referring to fig. 1, in some embodiments, the ceramic bearing removal tool may further comprise: cover 2, cover 2 can be located between seat 1 and the nut 3, and the one end of cover 2 can be used for supporting to hold on the rocker outer wall of installing ceramic bearing, and the other end of cover 2 can contact with nut 3, and in this embodiment, the external diameter of cover 2 is greater than ceramic bearing's external diameter, and cover 2 is used for separating nut 3 and ceramic bearing, and nut 3 is the pivoted on cover 2 at the in-process of dismantling ceramic bearing, and the ceramic bearing that can avoid wearing and tearing when nut 3 rotates or wearing and tearing ceramic bearing mounting hole.

Referring to fig. 1 and 5, in some embodiments, a groove may be formed in one side of the sleeve 2 close to the seat 1, the inner diameter of the groove is larger than the outer diameter of the ceramic bearing, the groove may be used to accommodate the detached ceramic bearing, and when the ceramic bearing is detached, the seat 1 may drive the ceramic bearing into the groove, thereby further facilitating the detachment of the ceramic bearing.

Referring to fig. 1 and 5, in some embodiments, the sleeve 2 may be provided with a through hole, an inner diameter of the through hole is larger than an outer diameter of the screw rod 4, the screw rod 4 may sequentially pass through the nut 3 and the through hole to be in threaded connection with the seat 1, and an outer diameter of the sleeve 2 is larger than or equal to an outer diameter of the nut 3, which is more convenient for the nut 3 to rotate on the sleeve 2.

Referring to fig. 1, 3 and 5, in some embodiments, a first spigot may be disposed on a side of the nut 3 close to the sleeve 2, in this embodiment, the first spigot is a circular ring-shaped projection, and a second spigot used in cooperation with the first spigot is disposed on a side of the sleeve 2 close to the nut 3, in this embodiment, the second spigot is a circular ring-shaped groove, and a size of the groove is matched with a size of the projection, in other embodiments, the first spigot may be a circular ring-shaped groove, and the second spigot is a circular ring-shaped projection used in cooperation with the first spigot, when a disassembling tool is used, the nut 3 is placed on the sleeve 2, so that the first spigot and the second spigot are matched, and the first spigot and the second spigot can position the nut 3 and the sleeve 2 together, and can also facilitate rotation of the nut 3.

In some embodiments, grease may be injected at the contact between the sleeve 2 and the nut 3, which may lubricate the contact surface between the sleeve 2 and the nut 3, further facilitate the rotation of the nut 3, and reduce the wear between the sleeve 2 and the nut 3.

In some embodiments, a first handle may be fixedly disposed on a side surface of the nut 3, the nut 3 may be rotated by rotating the first handle, the nut 3 may be easily rotated by using the lever principle, and other tools are not required to be additionally used to rotate the nut 3, so that the use of the disassembling tool is simpler.

In some embodiments, a second handle may be fixedly disposed on a side surface of the screw rod 4 away from the end portion of the seat 1, and the screw rod 4 may also be prevented from rotating by tightly holding the second handle, and there is no need to additionally use other tools to clamp the screw rod 4, so as to prevent the screw rod 4 from rotating, and further facilitate the use of the disassembling tool.

The ceramic bearing disassembling tool provided by the embodiment of the utility model has the following principle:

since the ceramic bearing removal tool may include: the seat 1, the seat 1 can be used for clamping and connecting to one side of the ceramic bearing; the sleeve 2 can be positioned on the other side of the ceramic bearing, and the sleeve 2 can be used for being propped against the outside of a swing frame for mounting the ceramic bearing; the nut 3, the nut 3 can be placed in the sleeve 2 far away from one side of the seat 1, and the nut 3 is equipped with the first tang, the sleeve 2 is equipped with the second tang used with the first tang, the first tang and the second tang are used cooperatively to position the nut 3 on the sleeve 2; screw rod 4, screw rod 4 passes cover 2 in proper order, nut 3 and ceramic bearing and 1 threaded connection of seat, screw rod 4 and 3 threaded connection of nut, swivel nut 3 passes through screw rod 4 and the screw-thread fit of nut 3, can drive screw rod 4 and remove along the central axis of nut 3, screw rod 4 drives seat 1 and ceramic bearing and moves toward the direction that is close to cover 2, be about to ceramic bearing and dismantle from the rocker, consequently, can effectually dismantle ceramic bearing from the rocker through foretell extracting tool, and can not break up ceramic bearing and damage ceramic bearing mounting hole.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A ceramic bearing removal tool, comprising:

the seat (1) is used for being clamped on one side of the ceramic bearing;

a nut (3) for mounting to the other side of the ceramic bearing;

a screw (4) which penetrates through the nut (3) and is in threaded connection with the seat (1), and the screw (4) is in threaded connection with the nut (3);

when the disassembling tool is installed on the ceramic bearing, the screw rod (4) drives the seat (1) and the ceramic bearing to move towards the direction close to the nut (3) by rotating the nut (3).

2. A ceramic bearing removal tool as claimed in claim 1, wherein:

seat (1) has arch (11), arch (11) be used for install in ceramic bearing's downthehole, seat (1) pass through arch (11) with screw rod (4) threaded connection, seat (1) have be used for the joint in the joint face of ceramic bearing terminal surface.

3. A ceramic bearing removal tool as claimed in claim 1, wherein:

one side of the screw rod (4) close to the seat (1) is provided with a first thread (41), the screw rod (4) is in threaded connection with the seat (1) through the first thread (41), the screw rod (4) is also provided with a second thread (42) arranged at an interval with the first thread, the screw rod (4) is in threaded connection with the nut (3) through the second thread (42), and the diameter of the first thread (41) is smaller than that of the second thread (42).

4. The ceramic bearing removal tool of claim 1, further comprising:

the sleeve (2) is positioned between the seat (1) and the nut (3), one end of the sleeve (2) is used for being abutted to the outside of a swing frame for mounting the ceramic bearing, and the other end of the sleeve (2) is in contact with the nut (3).

5. The ceramic bearing removal tool of claim 4, wherein:

one side of the sleeve (2) close to the seat (1) is provided with a groove, and the groove is used for accommodating the ceramic bearing.

6. The ceramic bearing removal tool of claim 4, wherein:

the sleeve (2) is provided with a through hole, the inner diameter of the through hole is smaller than the outer diameter of the nut (3), and the screw rod (4) penetrates through the nut (3) and the through hole to be in threaded connection with the seat (1).

7. The ceramic bearing removal tool of claim 4, wherein:

one side of the nut (3) close to the sleeve (2) is provided with a first spigot, and one side of the sleeve (2) close to the nut (3) is provided with a second spigot matched with the first spigot for use.

8. The ceramic bearing removal tool of claim 4, wherein:

grease is filled at the contact position of the sleeve (2) and the nut (3).

9. A ceramic bearing removal tool as claimed in claim 1, wherein:

a first handle is arranged on the side surface of the nut (3).

10. A ceramic bearing removal tool as claimed in claim 1, wherein:

and a second handle is arranged on the side surface of one end part of the screw rod (4) far away from the seat (1).