CN214404590U

CN214404590U - Gear piece of combined gear structure

Info

Publication number: CN214404590U
Application number: CN202023300051.6U
Authority: CN
Inventors: 何剑
Original assignee: Chongqing Nanyan Industrial Group Longjian Machinery Manufacturing Co ltd
Current assignee: Chongqing Nanyan Industrial Group Longjian Machinery Manufacturing Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-15
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a gear piece technical field just discloses a gear piece of combination gear structure, including inner ring and outer loop, the inner wall fixed connection of inner ring outer wall and outer loop, annular groove has been seted up to the outer wall of outer loop, the opening has been seted up to annular groove's outer wall, annular groove's cell wall swing joint has a plurality of arc sliders, arc slider's outer wall fixedly connected with arc rack, the inner ring inner wall is close the opening part and has been seted up two circular recesses, the round hole has all been seted up to the cell wall of circular recess and the lower surface of outer loop, and the pore wall swing joint of round hole has interior hexagonal fixing bolt, two and interior hexagonal fixing bolt matched with screw thread blind holes have been seted up to arc slider's lower surface. The utility model discloses make the broken tooth of gear piece maintenance only need change the arc rack of damage part, improved the utilization ratio of other parts of gear piece, reduced the cost of the broken tooth maintenance of gear piece simultaneously.

Description

Gear piece of combined gear structure

Technical Field

The utility model relates to a gear piece technical field especially relates to a gear piece of combination gear structure.

Background

Gears can be classified by tooth profile, gear profile, tooth trace shape, surface on which the teeth are located, and manufacturing method, etc. The tooth profile of the gear includes profile curve, pressure angle, tooth height and profile variation. Involute gears are relatively easy to manufacture, so that in the gears used in modern times, involute gears are the absolute majority, while cycloid gears and circular arc gears are less used. In the aspect of pressure angle, the bearing capacity of the small pressure angle gear is smaller; however, the large pressure angle gear is used only in special cases because the load of the bearing increases when the transmission torque is the same, although the load capacity is high. The tooth height of the gear is standardized and generally adopts the standard tooth height. The advantages of the modified gears are more, and the modified gears are distributed in various mechanical equipment.

The condition of disconnected tooth often appears when present gear piece uses, nevertheless need whole change gear piece when leading to its maintenance because of the integral type structure of gear piece, and whole change gear piece not only can cause the waste of other parts of gear piece, has still increased the cost of gear piece disconnected tooth maintenance simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art gear piece and need whole change gear piece when leading to its maintenance because of the integral type structure, and whole change gear piece not only can cause the waste of other parts of gear piece, has still increased the problem of the disconnected tooth cost of maintenance of gear piece simultaneously, and the gear piece of a combination gear structure that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a gear piece of combination gear structure, includes inner ring and outer loop, the inner wall fixed connection of inner ring outer wall and outer loop, the annular groove has been seted up to the outer wall of outer loop, the opening has been seted up to the outer wall of annular groove, the cell wall swing joint of annular groove has a plurality of arc sliders, the outer wall fixedly connected with arc rack of arc slider, the inner ring inner wall is close the opening part and has been seted up two circular recesses, the round hole has all been seted up to the cell wall of circular recess and the lower surface of outer loop, and the pore wall swing joint of round hole has interior hexagonal fixing bolt, two and interior hexagonal fixing bolt matched with screw thread blind holes have been seted up to the lower surface of arc slider.

Preferably, the inner wall of the inner ring is provided with a plurality of connecting key through holes.

Preferably, the section of the arc-shaped sliding block is I-shaped.

Preferably, the length of the opening is longer than that of the arc-shaped sliding block.

Preferably, the outer wall of the inner hexagonal fixing bolt is fixedly sleeved with a rubber ring, and the outer wall of the rubber ring is movably connected with the groove wall of the circular groove.

Preferably, the annular groove, the opening, the outer ring and the inner ring are all integrally formed by casting.

Compared with the prior art, the utility model provides a gear piece of combination gear structure possesses following beneficial effect:

this composite gear structure's gear piece, through being provided with hexagon socket head cap anchor bolt, arc slider and annular groove, when the gear piece has disconnected tooth to need the maintenance, at first take out the gear piece, later screw out hexagon socket head cap anchor bolt, later take out a plurality of arc sliders of installing at the annular groove through the opening, so as to can change the arc rack of disconnected tooth, install a plurality of arc sliders in the annular groove after the change again, the disconnected tooth of gear piece dimension only need change disconnected tooth part the arc rack can, other parts still continue to use, this mechanism makes the disconnected tooth of gear piece maintenance only need change the arc rack of damage part, the utilization ratio of other parts of gear piece has been improved, the cost of the disconnected tooth maintenance of gear piece has been reduced simultaneously.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make the arc rack that the broken tooth of pinion piece maintained only to change the damage part, improved the utilization ratio of other parts of pinion piece, reduced the cost of the broken tooth maintenance of pinion piece simultaneously.

Drawings

Fig. 1 is a schematic structural view of a gear piece of a combined gear structure provided by the present invention;

fig. 2 is a partial structural schematic view of a gear piece of a combined gear structure provided by the present invention;

fig. 3 is a schematic structural diagram of a part a of a gear piece of a combined gear structure according to the present invention.

In the figure: 1 inner ring, 2 outer rings, 3 annular grooves, 4 openings, 5 arc-shaped sliders, 6 arc-shaped racks, 7 circular grooves, 8 circular holes, 9 hexagon socket head cap fixing bolts, 10 threaded blind holes, 11 connecting key through holes and 12 rubber rings.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a gear piece of combination gear structure, including inner ring 1 and outer loop 2, the outer wall of inner ring 1 and the inner wall fixed connection of outer loop 2, annular groove 3 has been seted up to the outer wall of outer loop 2, opening 4 has been seted up to the outer wall of annular groove 3, the cell wall swing joint of annular groove 3 has a plurality of arc slider 5, arc slider 5's outer wall fixedly connected with arc rack 6, inner ring 1 inner wall is close opening 4 department and has seted up two circular recesses 7, round hole 8 has all been seted up to the cell wall of circular recess 7 and the lower surface of outer loop 2, and the pore wall swing joint of round hole 8 has interior hexagonal fixing bolt 9, two and interior hexagonal fixing bolt 9 matched with screw thread blind holes 10 have been seted up to arc slider 5's lower surface.

A plurality of connecting key through-holes 11 have been seted up to inner ring 1's inner wall, and a plurality of connecting key through-holes 1 can ensure the stability that the gear piece is connected.

The cross-section of the arc-shaped sliding block 5 is I-shaped, so that the connection stability of the arc-shaped sliding block 5 is improved.

The length of opening 4 is longer than the length of

arc slider

5, and 4 length of opening are longer can make things convenient for arc slider 5 to install in arc recess 3.

The fixed cover of inner hexagonal fixing bolt 9's outer wall has connect rubber ring 12, and the outer wall of rubber ring 12 and the cell wall swing joint of circular recess 7, rubber ring 12 can increase the fixed frictional force of inner hexagonal fixing bolt 9, have improved the stability that inner hexagonal fixing bolt 9 connects.

The annular groove 3, the opening 4, the outer ring 2 and the inner ring 1 are all made by casting integrated forming, the casting integrated forming process is simple and convenient, and the convenience of manufacturing the gear piece is improved.

The utility model discloses in, when the gear piece has disconnected tooth to need the maintenance, at first take out the gear piece, hexagonal fixing bolt 9 in later screwing out, later take out a plurality of arc slider 5 of installing at annular groove 3 through opening 4, so as to can change the arc rack 6 of disconnected tooth, install annular groove 3 to a plurality of arc slider 5 after the change in, the disconnected tooth of gear piece dimension only need change disconnected tooth part arc rack 6 can, other parts still continue to use, this mechanism makes the disconnected tooth of gear piece maintenance only need change damage part's arc rack 6, the utilization ratio of other parts of gear piece has been improved, the cost of the disconnected tooth maintenance of gear piece has been reduced simultaneously.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A gear piece of a combined gear structure comprises an inner ring (1) and an outer ring (2), it is characterized in that the outer wall of the inner ring (1) is fixedly connected with the inner wall of the outer ring (2), the outer wall of the outer ring (2) is provided with an annular groove (3), the outer wall of the annular groove (3) is provided with an opening (4), the groove wall of the annular groove (3) is movably connected with a plurality of arc-shaped sliding blocks (5), the outer wall of the arc-shaped sliding block (5) is fixedly connected with an arc-shaped rack (6), two circular grooves (7) are arranged on the inner wall of the inner ring (1) near the opening (4), the wall of the circular groove (7) and the lower surface of the outer ring (2) are both provided with round holes (8), the hole wall of the round hole (8) is movably connected with an inner hexagonal fixing bolt (9), the lower surface of the arc-shaped sliding block (5) is provided with two threaded blind holes (10) matched with the inner hexagonal fixing bolts (9).

2. The gear piece of a combined gear structure according to claim 1, wherein the inner wall of the inner ring (1) is provided with a plurality of connecting key through holes (11).

3. The gear piece of a combined gear structure according to claim 1, wherein the cross section of the arc-shaped sliding block (5) is I-shaped.

4. A gear piece of a composite gear structure according to claim 1, characterised in that the length of the opening (4) is longer than the length of the arc-shaped slide (5).

5. The gear piece with a combined gear structure as claimed in claim 1, wherein the outer wall of the hexagon socket head cap fixing bolt (9) is fixedly sleeved with a rubber ring (12), and the outer wall of the rubber ring (12) is movably connected with the wall of the circular groove (7).

6. A segment gear in a combined gear structure according to claim 1, characterised in that the ring groove (3), the opening (4), the outer ring (2) and the inner ring (1) are made of cast one piece.