CN211525314U

CN211525314U - Gear shaft with bearing sleeve

Info

Publication number: CN211525314U
Application number: CN201922002561.6U
Authority: CN
Inventors: 刘沧渊
Original assignee: Jiangsu Weimars Precision Machinery Co ltd
Current assignee: Jiangsu Weimars Precision Machinery Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-09-18
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a pinion with bearing housing, including casing and bearing housing body, the spacing groove has been seted up on housing face, the bearing housing body is placed in the spacing inslot portion, bearing housing body surface set up screw hole, threaded hole inside runs through there is the bolt, inside the running through of bearing housing body has the connector, and connector one end is connected with the pinion main part, the spacing groove outside is provided with the fixed slot, and the fixed slot is inside to be fixed with the protective cover. This gear shaft main part one end of gear shaft with bearing housing is provided with the connector, run through the inner ring internal connection motor with the connector can, the bearing housing body can effectively reduce the coefficient of friction that the gear shaft main part rotated the in-process when playing the support gear shaft main part to guaranteed gear shaft main part gyration precision, the inner ring internal orifice structure sets up to gear column structure in addition, can effectively prevent to produce the not hard up phenomenon production that drops between gear shaft main part and the inner ring.

Description

Gear shaft with bearing sleeve

Technical Field

The utility model relates to a pinion technical field specifically is a pinion with bearing housing.

Background

The gear shaft is a gear shaft, the gear shaft refers to a mechanical part which supports a rotating part and rotates together with the rotating part to transmit motion, torque or bending moment, the gear shaft is generally in a metal round rod shape, each section can have different diameters, the part which rotates in the machine is arranged on the shaft, and the bearing sleeve is a part which supports a mechanical rotating body, namely the gear shaft, reduces the friction coefficient in the motion process of the mechanical rotating body and ensures the rotation precision of the mechanical rotating body.

The existing bearing sleeve is fixed inside a machine and is not easy to maintain, and the bearing sleeve is inconvenient to replace for a long time, an outer ring structure in the bearing sleeve is basically in a ring shape, a gear shaft is inconvenient to be fixed in an inner ring of the bearing sleeve, and the gear shaft is easy to loosen.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pinion with bearing housing to inside providing general bearing housing and being fixed in the machine in solving above-mentioned background art, difficult maintenance that maintains, and inconvenient the changing of back in long-term, and bearing housing inner ring structure is annular form basically, in the inconvenient inner ring that is fixed in the bearing housing of pinion, easily leads to the not hard up problem of pinion.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pinion with bearing housing, includes casing and bearing housing body, the spacing groove has been seted up on housing surface, the bearing housing body is placed in the spacing inslot portion, bearing housing body surface set up threaded hole, threaded hole portion runs through there is the bolt, the inside connector that runs through of bearing housing body, and connector one end is connected with the pinion main part, the spacing groove outside is provided with the fixed slot, and the fixed slot is inside to be fixed with the protective cover.

Preferably, the external opening structure size of the bearing sleeve body is matched with the internal opening structure size of the limiting groove, and the limiting groove is of a gear-shaped structure.

Preferably, the bearing sleeve body comprises an outer ring, a double-line groove, a rolling shaft and an inner ring, the double-line groove is formed in the inner wall of the outer ring, the rolling shaft is arranged in the double-line groove, and the inner end of the rolling shaft is connected with the inner ring.

Preferably, the rollers are symmetrically distributed around the vertical center line of the inner ring, and the rollers form a sliding structure with the outer ring through the double-line grooves.

Preferably, the central axis of the outer ring and the central axis of the inner ring are located on the same horizontal line, and the inner opening structure of the inner ring is a gear-shaped structure.

Preferably, the bearing sleeve body forms a fixed structure with the shell through a bolt, and the structural size of an outer opening of the connector is matched with that of an inner opening of the bearing sleeve body.

Preferably, the protective cover includes left protective cover, right protective cover, arc wall, draw-in groove, card strip and fastener, and one side of left protective cover is connected with the right protective cover, the arc wall has all been seted up with the surface of right protective cover to left side protective cover, and the arc wall both sides are provided with the draw-in groove, the inside card strip that is provided with of draw-in groove, left side protective cover all is provided with the fastener with the bottom of right protective cover.

Preferably, the left protective cover passes through the draw-in groove, constitutes mosaic structure between card strip and the right protective cover, and the internal orifice size of arc wall is greater than the outer orifice size of connector.

Compared with the prior art, the beneficial effects of the utility model are that: this tooth axle bearing housing body with bearing housing is fixed in machine housing surface, and the outside parcel of bearing housing body has the protective cover, and protective cover simple structure, the installation of being convenient for is dismantled, makes things convenient for later stage staff to maintain the bearing housing body and change when being favorable to preventing that the dust foreign matter from getting into the bearing housing body is inside, need not to open machine housing again.

This gear shaft main part one end of gear shaft with bearing housing is provided with the connector, run through the inner ring internal connection motor with the connector can, the bearing housing body can effectively reduce the coefficient of friction that the gear shaft main part rotated the in-process when playing the support gear shaft main part to guaranteed gear shaft main part gyration precision, the inner ring internal orifice structure sets up to gear column structure in addition, can effectively prevent to produce the not hard up phenomenon production that drops between gear shaft main part and the inner ring.

This gear shaft spacing groove with bearing housing sets up to gear column structure, and the outer mouthful of structural dimension of bearing housing body is identical with the internal orifice structural dimension of spacing groove, when the bearing housing body is placed in spacing inslot portion, is favorable to carrying on spacing fixed to the bearing housing body, avoids the bearing housing body to produce the condition production that becomes flexible the aversion, and the bearing housing body surface is screwed up there is the bolt to be favorable to the secondary to consolidate the bearing housing body, avoid the bearing housing body to drop from spacing inslot portion.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the internal structure of the present invention;

fig. 3 is a schematic view of the arc-shaped groove front view structure of the present invention.

In the figure: 1. a housing; 2. a limiting groove; 3. a bearing housing body; 301. an outer ring; 302. double wire grooves; 303. a roller; 304. an inner ring; 4. a threaded hole; 5. a bolt; 6. a connector; 7. a pinion shaft body; 8. fixing grooves; 9. a protective cover; 901. a left protective cover; 902. a right protective cover; 903. an arc-shaped slot; 904. a card slot; 905. clamping the strip; 906. the fastener.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a gear shaft with a bearing sleeve comprises a shell 1 and a bearing sleeve body 3, wherein a limiting groove 2 is formed in the surface of the shell 1, the bearing sleeve body 3 is placed in the limiting groove 2, the structural size of an outer opening of the bearing sleeve body 3 is matched with that of an inner opening of the limiting groove 2, the limiting groove 2 is of a gear-shaped structure, when the bearing sleeve body 3 is placed in the limiting groove 2, the limiting groove 2 is beneficial to limiting and fixing the bearing sleeve body 3, and the bearing sleeve body 3 is prevented from being loosened and shifted;

the surface of the bearing sleeve body 3 is provided with a threaded hole 4, the bearing sleeve body 3 comprises an outer ring 301, double-line grooves 302, rollers 303 and an inner ring 304, the inner wall of the outer ring 301 is provided with the double-line grooves 302, the rollers 303 are arranged in the double-line grooves 302, the inner ends of the rollers 303 are connected with the inner ring 304, the rollers 303 are symmetrically distributed around the vertical central line of the inner ring 304, the rollers 303 form a sliding structure through the double-line grooves 302 and the outer ring 301, the rollers 303 are arranged in two groups and are arranged side by side, when the inner ring 304 rotates, the rollers 303 roll along the double-line grooves 302, the improvement of the rotation stability of the inner ring 304 is facilitated, the friction coefficient between a gear shaft and the shell 1 is reduced, the central axis of the outer ring 301 and the central axis of the inner ring 304 are positioned on the same horizontal line, the inner opening structure of the inner ring 304 is set to be a gear-, the rotation precision of the gear shaft is ensured, and the inner opening structure of the inner ring 304 is a gear-shaped structure, so that the phenomenon that the gear shaft and the inner ring 304 are loosened and fall off can be effectively prevented;

a bolt 5 penetrates through the inside of the threaded hole 4, a connector 6 penetrates through the inside of the bearing sleeve body 3, one end of the connector 6 is connected with a gear shaft main body 7, the bearing sleeve body 3 forms a fixed structure through the bolt 5 and the shell 1, the structural size of an outer opening of the connector 6 is matched with that of an inner opening of the bearing sleeve body 3, and the bolt 5 is screwed on the surface of the bearing sleeve body 3, so that the bearing sleeve body 3 is favorably reinforced, the bearing sleeve body 3 is prevented from falling off from the inside of the limiting groove 2, and the structural size of the outer opening of the connector 6 is matched with that of the inner opening of the bearing sleeve body 3, so that the phenomenon that the connector 6 is loosened and shaken is favorably prevented;

the outer side of the limiting groove 2 is provided with a fixed groove 8, the inside of the fixed groove 8 is fixed with a protective cover 9, the protective cover 9 comprises a left protective cover 901, a right protective cover 902, an arc-shaped groove 903, a clamping groove 904, a clamping strip 905 and a clamping piece 906, one side of the left protective cover 901 is connected with the right protective cover 902, the surfaces of the left protective cover 901 and the right protective cover 902 are both provided with the arc-shaped groove 903, the two sides of the arc-shaped groove 903 are provided with the clamping groove 904, the clamping strip 905 is arranged inside the clamping groove 904, the bottoms of the left protective cover 901 and the right protective cover 902 are both provided with the clamping piece 906, the left protective cover 901 forms a splicing structure through the clamping groove 904, the clamping strip 905 and the right protective cover 902, the size of the inner opening of the arc-shaped groove 903 is larger than the size of the outer opening of the connecting head 6, the protective cover 9 has, and the connector 6 runs through the arc-shaped groove 903, thereby being beneficial to preventing dust and foreign matters from entering the bearing sleeve body 3, and playing a role in protecting the bearing sleeve body 3.

The working principle is as follows: when the gear shaft with the bearing sleeve is used, firstly, the bearing sleeve body 3 is placed in the limiting groove 2, then the bolt 5 is screwed down to fix the bearing sleeve body 3 in the limiting groove 2, so that the bearing sleeve body 3 is prevented from falling off or loosening from the limiting groove 2, then the connector 6 penetrates through the inner ring 304 from the inner side of the shell 1 to be connected with a motor outside the shell 1, then the clamping strip 905 on the inner side of the right protective cover 902 is inserted into the clamping groove 904 on the inner side of the left protective cover 901, at the moment, the arc-shaped groove 903 is in a circular shape, the connector 6 penetrates through the arc-shaped groove 903, then the assembled protective cover 9 is inserted into the fixing groove 8 through the clamping piece 906 at the bottom of the assembled protective cover, so that the bearing sleeve body 3 is covered and wrapped, finally, when the connector 6 or the gear shaft main body 7 rotates, the inner ring 304 is driven to rotate, and simultaneously, the roller 303 rolls, the friction coefficient between the gear shaft and the shell 1 is reduced, the bearing sleeve body 3 can effectively reduce the friction coefficient in the rotation process of the gear shaft while supporting the gear shaft, the rotation precision of the gear shaft is ensured, and the inner opening structure of the inner ring 304 is a gear-shaped structure, so that the phenomenon that the gear shaft and the inner ring 304 are loosened and fall off can be effectively prevented;

finally, when the bearing sleeve body 3 needs to be maintained, the bearing sleeve body 3 can be maintained only by pulling out the protective cover 9, and the protective cover 9 is simple in structure and convenient to install and detach.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pinion with bearing housing, includes casing (1) and bearing housing body (3), its characterized in that: spacing groove (2) have been seted up on casing (1) surface, place inside spacing groove (2) bearing housing body (3), threaded hole (4) have been seted up on bearing housing body (3) surface, screw hole (4) inside has run through bolt (5), inside having run through of bearing housing body (3) has connector (6), and connector (6) one end is connected with pinion main part (7), spacing groove (2) outside is provided with fixed slot (8), and fixed slot (8) inside is fixed with protective cover (9).

2. A gear shaft provided with a bearing sleeve according to claim 1, wherein: the outer opening structure size of the bearing sleeve body (3) is matched with the inner opening structure size of the limiting groove (2), and the limiting groove (2) is of a gear-shaped structure.

3. A gear shaft provided with a bearing sleeve according to claim 1, wherein: the bearing sleeve body (3) comprises an outer ring (301), a double-line groove (302), a rolling shaft (303) and an inner ring (304), the inner wall of the outer ring (301) is provided with the double-line groove (302), the rolling shaft (303) is arranged inside the double-line groove (302), and the inner end of the rolling shaft (303) is connected with the inner ring (304).

4. A gear shaft provided with a bearing sleeve according to claim 3, wherein: the rollers (303) are symmetrically distributed around the vertical central line of the inner ring (304), and the rollers (303) form a sliding structure with the outer ring (301) through the double-line groove (302).

5. A gear shaft provided with a bearing sleeve according to claim 3, wherein: the central axis of the outer ring (301) and the central axis of the inner ring (304) are located on the same horizontal line, and the inner opening structure of the inner ring (304) is a gear-shaped structure.

6. A gear shaft provided with a bearing sleeve according to claim 1, wherein: the bearing sleeve body (3) forms a fixed structure with the shell (1) through the bolt (5), and the structural size of an outer opening of the connector (6) is identical with that of an inner opening of the bearing sleeve body (3).

7. A gear shaft provided with a bearing sleeve according to claim 1, wherein: protective cover (9) include left protective cover (901), right protective cover (902), arc wall (903), draw-in groove (904), card strip (905) and fastener (906), and one side of left protective cover (901) is connected with right protective cover (902), arc wall (903) have all been seted up on the surface of left protective cover (901) and right protective cover (902), and arc wall (903) both sides are provided with draw-in groove (904), inside card strip (905) that is provided with of draw-in groove (904), the bottom of left protective cover (901) and right protective cover (902) all is provided with fastener (906).

8. The gear shaft provided with the bearing sleeve as set forth in claim 7, wherein: the left protective cover (901) is connected with the right protective cover (902) through a clamping groove (904), a clamping strip (905) to form a splicing structure, and the size of an inner opening of the arc-shaped groove (903) is larger than that of an outer opening of the connector (6).