CN212672210U

CN212672210U - Shaft gear splicing and locking structure

Info

Publication number: CN212672210U
Application number: CN202021415477.3U
Authority: CN
Inventors: 吴刚; 何小林
Original assignee: Shaanxi Jinhe Mining Equipment Co ltd
Current assignee: Shaanxi Jinhe Mining Equipment Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-03-09
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a shaft gear splicing and locking structure, which comprises a main shaft, a shaft sleeve, a fixed sleeve and a gear, wherein the shaft sleeve is sleeved on the main shaft, and the gear is arranged on the shaft sleeve; a groove is formed in the shaft sleeve; the groove is divided into two sections and comprises a flat groove section and an arc groove section which are communicated; the inner ring wall of the gear is provided with a bulge and an internal thread I, the bulge is positioned on one side of the internal thread I, and the bulge is inserted into the flat groove section; the fixed sleeve is divided into two sections and comprises a square section and a cylindrical section, wherein an inner ring wall of the cylindrical section is provided with an inner thread II, the inner thread II is meshed with an outer thread I arranged on the outer wall of the shaft sleeve, and an outer ring wall of the cylindrical section is provided with an outer thread II meshed with the inner thread I. The utility model relates to an ingenious, effectual with locking between gear and the main shaft.

Description

Shaft gear splicing and locking structure

Technical Field

The utility model relates to the technical field of gears, specifically a shaft gear concatenation locking structure.

Background

Gear refers to a mechanical element on a rim with gears continuously engaged to transmit motion and power. The use of gears in transmissions has long emerged. At the end of the 19 th century, the principle of generating the cutting method and the successive appearance of special machine tools and cutters for cutting teeth by using the principle pay attention to the running stability of gears along with the development of production.

The gear needs to be arranged on the main shaft, so that a transmission state can be formed, and the gear needs to be locked with the main shaft.

Therefore, a shaft gear splicing and locking structure is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a shaft gear concatenation locking structure can the effectual technical problem who exists in the above-mentioned background of solution.

In order to achieve the above object, the present invention provides the following technical solutions:

a shaft gear splicing and locking structure comprises a main shaft, a shaft sleeve, a fixed sleeve and a gear, wherein the shaft sleeve is sleeved on the main shaft, and the gear is arranged on the shaft sleeve; a groove is formed in the shaft sleeve; the groove is divided into two sections and comprises a flat groove section and an arc groove section which are communicated; the inner ring wall of the gear is provided with a bulge and a first internal thread, the bulge is positioned on one side of the first internal thread, and the bulge is inserted into the flat groove section; the fixed sleeve is divided into two sections and comprises a square section and a cylindrical section, an internal thread II is arranged on the inner ring wall of the cylindrical section, the internal thread II is meshed with an external thread I arranged on the outer wall of the shaft sleeve, and an external thread II meshed with the internal thread I is arranged on the outer ring wall of the cylindrical section.

Preferably, the sleeve is integrally formed with the main shaft.

Preferably, the surface of the square section is provided with a jack.

Preferably, one end of the arc-shaped groove section is connected with the outer wall of the shaft sleeve.

Preferably, the number of the protrusions and the number of the grooves are four.

The beneficial effects of the utility model reside in that:

one is as follows: the utility model discloses a relative rotation between gear and the axle sleeve is prevented to the arch of gear and the cooperation of arc groove section.

The second step is as follows: the utility model discloses a fixed cover for when fixed between fixed cover and the axle sleeve, also can fix between fixed cover and the gear, can keep the fixed of gear like this.

Drawings

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

FIG. 1: the structure of the utility model is schematically shown.

FIG. 2: the utility model discloses the structure schematic diagram of axle sleeve.

FIG. 3: the utility model discloses the structure sketch map of fixed cover.

FIG. 4: the utility model discloses the structural schematic of gear.

In the figure: 1. the main shaft, 2, the axle sleeve, 3, fixed cover, 4, the gear, 5, recess, 6, flat groove section, 7, arc groove section, 8, arch, 9, internal thread one, 10, square section, 11, cylinder section, 12, internal thread two, 13, external thread one, 14, external thread two, 15, jack.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the present invention provides a shaft gear splicing and locking structure, which includes a main shaft 1, a shaft sleeve 2, a fixed sleeve 3, and a gear 4, wherein the shaft sleeve 2 is sleeved on the main shaft 1, the gear 4 is disposed on the shaft sleeve 2, and the shaft sleeve 2 and the main shaft 1 are integrally formed.

Referring to fig. 1 and 2, a groove 5 is formed in the shaft sleeve 2, the groove 5 is divided into two sections, and includes a flat groove section 6 and an arc groove section 7, which are communicated with each other, and one end of the arc groove section 7 is connected to an outer wall of the shaft sleeve 2.

Referring to fig. 1 and 4, a protrusion 8 and a first internal thread 9 are formed on the inner ring wall of the gear 4, the protrusion 8 is located on one side of the first internal thread 9, the protrusion 8 is inserted into the flat groove section 6, then the gear 4 is moved to the left, and the protrusion 8 can be inserted into the arc-shaped groove section 7.

Referring to fig. 1 and fig. 3, the fixing sleeve 3 is divided into two sections, including a square section 10 and a cylindrical section 11, and an inner ring wall of the cylindrical section 11 is provided with a second internal thread 12.

Referring to fig. 1, the second internal thread 12 is engaged with the first external thread 13 formed on the outer wall of the shaft sleeve 2, and the second external thread 14 engaged with the first internal thread 9 is formed on the outer circumferential wall of the cylindrical section 11.

Referring to fig. 1 to 3, the surface of the square section 10 is provided with a plug hole 15, and the plug hole 15 can be inserted into the crank, so that the cylindrical section 11 can be rotated; the number of the projections 8 and the number of the grooves 5 are four.

The implementation process of the embodiment:

the bulge 8 of the gear 4 is firstly placed in the flat groove section 6, then the arc-shaped groove section 7 is continuously moved leftwards, and as one end of the arc-shaped groove section 7 is connected with the outer wall of the shaft sleeve 2, the leftwards movement of the gear 4 is more, and the extrusion of the bulge 8 and the arc-shaped groove section 7 is tighter.

Then the internal thread two 12 of the fixed sleeve 3 is meshed with the external thread one 13 of the shaft sleeve 2, then the square section 10 can be rotated by using a wrench, the cylindrical section 11 of the fixed sleeve 3 can rotate until the external thread two 14 of the cylindrical section 11 is meshed with the internal thread one 9 of the gear 4, so that the cylindrical section 1 and the shaft sleeve 2 are fixed, meanwhile, the cylindrical section 11 and the gear 4 are fixed, and the gear 4 and the shaft sleeve 2 cannot rotate relatively due to the fact that the protrusion 8 of the gear 4 is inserted into the arc-shaped groove section 7, so that a locking state is formed.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited to the above-mentioned embodiments, and the method and the technical solution of the present invention are not substantially improved or improved, so long as the present invention is applied to other occasions directly.

Claims

1. The utility model provides a shaft gear concatenation locking structure which characterized in that: the gear transmission mechanism comprises a main shaft (1), a shaft sleeve (2), a fixed sleeve (3) and a gear (4), wherein the shaft sleeve (2) is sleeved on the main shaft (1), and the gear (4) is arranged on the shaft sleeve (2); a groove (5) is formed in the shaft sleeve (2); the groove (5) is divided into two sections and comprises a flat groove section (6) and an arc groove section (7) which are communicated with each other; a bulge (8) and a first internal thread (9) are arranged on the inner ring wall of the gear (4), the bulge (8) is positioned on one side of the first internal thread (9), and the bulge (8) is inserted into the flat groove section (6); fixed cover (3) divide into two segmentations, including square section (10), cylinder section (11), be equipped with internal thread two (12) on the inner circle wall of cylinder section (11), external screw thread one (13) meshing that is equipped with on internal thread two (12) and axle sleeve (2) outer wall, be equipped with external screw thread two (14) with internal thread one (9) meshing on the outer lane wall of cylinder section (11).

2. The shaft gear splicing and locking structure of claim 1, wherein: the shaft sleeve (2) and the main shaft (1) are integrally formed.

3. The shaft gear splicing and locking structure of claim 1, wherein: the surface of the square section (10) is provided with a jack (15).

4. The shaft gear splicing and locking structure of claim 1, wherein: one end of the arc-shaped groove section (7) is connected with the outer wall of the shaft sleeve (2).

5. The shaft gear splicing and locking structure of claim 1, wherein: the number of the protrusions (8) and the number of the grooves (5) are four.