CN214661571U

CN214661571U - Bearing compression device

Info

Publication number: CN214661571U
Application number: CN202120003471.3U
Authority: CN
Inventors: 姜岳明
Original assignee: Henan Zhongtai Bearing Co ltd
Current assignee: Henan Chengjia Bearing Technology Co.,Ltd.
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-11-09
Anticipated expiration: 2031-01-04

Abstract

The utility model relates to a bearing pressing device, which comprises a rotating shaft used for passing through a bearing inner ring, wherein the rotating shaft is provided with a protruding end protruding out of the inner ring, one side of the rotating shaft, which is positioned on the bearing inner ring and is opposite to the protruding end, is fixedly provided with a blocking structure, and is also provided with an assembly body capable of being assembled in a detachable way, after the rotating shaft is inserted into the bearing inner ring, the assembly body can be detachably installed on the protruding end of the rotating shaft, the end surface of one end, which is close to the protruding end of the rotating shaft, of the bearing inner ring is acted by the assembly body, the end surface of the other end is acted by the blocking structure on the rotating shaft, the axial two sides of the bearing inner ring are respectively clamped by the matching of the fixed blocking structure and the assembly body capable of being assembled in a detachable way, thereby facilitating the assembly and disassembly, being capable of stably realizing the clamping and limiting of the bearing inner ring, and stably exerting stable pressure on the bearing inner ring, satisfying the normal use requirement of the bearing, and effectively solving the problem that the unstable pressure of the bearing pressing device existing in the prior art, the technical problem that the normal use requirement of the bearing is difficult to meet.

Description

Bearing compression device

Technical Field

The utility model relates to a bearing pressing device.

Background

The bearing is the most common important part in modern mechanical equipment, and its main function is to support the mechanical rotator, reduce the coefficient of friction in the mechanical motion process, let the machine can use less power to rotate, among the mechanical transmission, need compress tightly the inner ring of the bearing of installing on the rotation axis usually, in order to guarantee safe and reliable work, generally need to take locking measure to closing device, the easy creep phenomenon that appears of current bearing closing device in the course of the work, pressure is unstable, is difficult to satisfy the normal user demand of bearing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bearing closing device for the pressure of solving the bearing closing device who exists among the prior art is not steady, is difficult to satisfy the technical problem of bearing normal use demand.

In order to achieve the above object, the utility model provides a bearing pressing device adopts following technical scheme:

a bearing compression device comprises a rotating shaft penetrating through a bearing inner ring, wherein the rotating shaft is provided with a protruding end protruding out of the inner ring, a stopping structure is fixedly arranged on one side, opposite to the protruding end, of the bearing inner ring on the rotating shaft, and an assembly body which is detachably assembled on the protruding end and used for being matched with the stopping structure to clamp the bearing inner ring is further arranged.

The utility model provides a bearing closing device's beneficial effect is: after the rotating shaft is inserted into the bearing inner ring, the assembly body can be detachably mounted at the protruding end of the rotating shaft, one end face, close to the protruding end of the rotating shaft, of the bearing inner ring is acted by the assembly body, the other end face of the bearing inner ring is acted by the stop structure on the rotating shaft, the axial two sides of the bearing inner ring are clamped respectively by means of the matching of the fixed stop structure and the detachably assembled assembly body, the assembly and disassembly are facilitated, the clamping and limiting of the bearing inner ring can be stably realized, the pressure applied to the bearing inner ring is stable, the normal use requirement of the bearing is met, and the technical problems that the pressure of a bearing pressing device in the prior art is unstable and the normal use requirement of the bearing is difficult to meet are effectively solved.

Further, the assembly body includes threaded connection in the overhang and with the cover body of bearing inner race butt, the cover body has the internal thread, the rotation axis has the external screw thread of complex with it, the cover body is located one side that the internal thread is close to the bearing and still has annular caulking groove, be provided with in the annular caulking groove and be used for compressing tightly the annular shell fragment of rotation axis after the rotation axis penetrates the cover body. The thread fit and the annular elastic sheet form composite clamping on the sleeve body, so that the sleeve body can be stably and firmly assembled on the rotating shaft, and the sleeve body can be stably clamped on the inner ring of the bearing even if the sleeve body is influenced by the external environment.

Furthermore, the number of annular caulking grooves is a plurality of, all is provided with in every annular caulking groove annular shell fragment, a plurality of annular caulking grooves are along the axial interval equipartition of rotation axis. The reliable stability degree of the assembly of the sleeve body on the rotating shaft is further improved.

Furthermore, the outer peripheral surface of the sleeve body is also provided with a plurality of threaded holes penetrating through the wall thickness of the sleeve body, and tightening bolts are screwed in the threaded holes to press the sleeve body on the rotating shaft. The jacking bolt further improves the reliable and stable degree of the assembly of the sleeve body on the rotating shaft.

Further, the stopping structure is an annular baffle protruding out of the outer wall of the rotating shaft. The contact area of the annular baffle and the bearing inner ring is larger, and the clamping effect is better.

Drawings

Fig. 1 is a schematic view of a use state of the bearing pressing device provided by the present invention;

fig. 2 is a schematic view of a sleeve body in the bearing pressing device provided by the present invention.

Reference numbers in the figures: 1. a rotating shaft; 2. a bearing; 3. an inner ring; 4. a sleeve body; 5. an internal thread; 7. an annular spring plate; 8. jacking the bolt; 9. an annular baffle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

the utility model provides a bearing closing device's concrete embodiment:

as shown in fig. 1 and fig. 2, a bearing compression device includes a rotating shaft 1 for passing through an inner ring 3 of a bearing 2, the rotating shaft 1 has a protruding end protruding out of the inner ring 3, a stop structure is fixedly disposed on one side of the rotating shaft 1, which is opposite to the protruding end, of the inner ring 3 of the bearing 2, and an assembly body detachably mounted at the protruding end for clamping the inner ring 3 of the bearing 2 in cooperation with the stop structure. After the rotating shaft 1 is inserted into the inner ring 3 of the bearing 2, the assembly body can be detachably mounted at the protruding end of the rotating shaft 1, one end face, close to the protruding end of the rotating shaft 1, of the inner ring 3 of the bearing 2 is acted by the assembly body, the other end face of the inner ring 3 of the bearing 2 is acted by the stopping structure on the rotating shaft 1, and the two axial sides of the inner ring 3 of the bearing 2 are clamped by matching of the fixed stopping structure and the detachably assembled assembly body respectively, so that the assembly and disassembly are facilitated, the clamping and limiting of the inner ring 3 of the bearing 2 can be stably realized, the pressure applied to the inner ring 3 of the bearing 2 is stable, and the normal use requirement of the bearing 2 is met.

As shown in fig. 1 and 2, the assembly body includes a sleeve body 4 which is in threaded connection with the protruding end and is abutted to the inner ring 3 of the bearing 2, the sleeve body 4 has an inner thread 5, the rotating shaft 1 has an outer thread matched with the rotating shaft 1, an annular caulking groove is further formed in one side, close to the bearing 2, of the sleeve body 4, which is located on the inner thread 5, and an annular elastic sheet 7 which is used for compressing the rotating shaft 1 after the rotating shaft 1 penetrates into the sleeve body 4 is arranged in the annular caulking groove. The thread fit and the annular elastic sheet 7 form composite clamping on the sleeve body 4, so that the sleeve body 4 can be stably and firmly assembled on the rotating shaft 1, and even if the sleeve body is influenced by the external environment, the stable clamping of the sleeve body 4 on the inner ring 3 of the bearing 2 can be ensured. Specifically, the quantity of annular caulking groove is a plurality of, all is provided with annular shell fragment 7 in every annular caulking groove, and a plurality of annular caulking grooves are along the axial interval equipartition of rotation axis 1. The reliability and stability of the assembly of the sleeve body 4 on the rotating shaft 1 are further improved. In other embodiments, the number of the annular caulking grooves may be one or two, and of course, in other embodiments, the assembly body may also be a limiting screw inserted into the screwing shaft and abutting against the bearing inner ring to stop the screwing shaft instead of the sleeve body, and the rotating shaft is correspondingly provided with a screw hole into which the limiting screw is inserted.

As shown in fig. 1 and 2, the outer peripheral surface of the sleeve body 4 is further provided with a plurality of threaded holes penetrating the wall thickness of the sleeve body 4, and the threaded holes are internally screwed with puller bolts 8 to press-fit the sleeve body 4 on the rotating shaft 1. The tightening bolt 8 further improves the reliability and stability of the assembly of the sleeve body 4 on the rotating shaft 1.

As shown in fig. 1, the stopper structure is an annular baffle 9 protruding from the outer wall of the rotating shaft 1. The contact area of the annular baffle 9 and the inner ring 3 of the bearing 2 is larger, and the clamping effect is better. In other embodiments, the stopping structure may also be a plurality of stopping blocks protruding out of the outer wall of the rotating shaft, and the plurality of stopping blocks are uniformly distributed at intervals in the circumferential direction of the rotating shaft.

The utility model provides a bearing closing device's theory of operation is: after the rotating shaft 1 is inserted into the inner ring 3 of the bearing 2, the assembly body can be detachably mounted at the protruding end of the rotating shaft 1, one end face, close to the protruding end of the rotating shaft 1, of the inner ring 3 of the bearing 2 is acted by the assembly body, the other end face of the inner ring 3 of the bearing 2 is acted by the stopping structure on the rotating shaft 1, and the two axial sides of the inner ring 3 of the bearing 2 are respectively clamped by the fixed stopping structure and the assembly body which can be detachably mounted in a matched mode, so that the assembly and the disassembly are convenient, the clamping and the limiting of the inner ring 3 of the bearing 2 can be stably realized, the pressure applied to the inner ring 3 of the bearing 2 is stable, the normal use requirement of the bearing 2 is met, and the technical problems that the pressure of a bearing pressing device in the prior art is not stable and the normal use requirement of the bearing is difficult to meet are effectively solved.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a bearing pressure tight device which characterized in that: the clamping device comprises a rotating shaft used for penetrating through a bearing inner ring, wherein the rotating shaft is provided with a protruding end protruding out of the bearing inner ring, a stopping structure is fixedly arranged on one side, opposite to the protruding end, of the bearing inner ring on the rotating shaft, and an assembly body detachably assembled on the protruding end and used for being matched with the stopping structure to clamp the bearing inner ring.

2. The bearing press as claimed in claim 1, wherein: the assembly body include threaded connection in the overhang and with the cover body of bearing inner race butt, the cover body has the internal thread, and the rotation axis has the external screw thread of complex with it, the cover body is located one side that the internal thread is close to the bearing and still has the annular caulking groove, be provided with in the annular caulking groove and be used for compressing tightly the annular shell fragment of rotation axis after the rotation axis penetrates the cover body.

3. The bearing press as claimed in claim 2, wherein: the quantity of annular caulking groove is a plurality of, all is provided with in every annular caulking groove annular shell fragment, a plurality of annular caulking grooves are along the axial interval equipartition of rotation axis.

4. The bearing press according to claim 2 or 3, characterized in that: the outer peripheral surface of the sleeve body is also provided with a plurality of threaded holes penetrating through the wall thickness of the sleeve body, and tightening bolts are screwed in the threaded holes to press the sleeve body on the rotating shaft.

5. The bearing pressing device according to any one of claims 1 to 3, wherein: the stop structure is an annular baffle plate protruding out of the outer wall of the rotating shaft.