Herringbone gear with oil storage cavity

Abstract

The utility model belongs to the technical field of herringbone gears, and particularly discloses a herringbone gear with an oil storage cavity, which comprises a middle part, a first rotating shaft is arranged in the middle part, a plurality of bumps are annularly arranged on two sides of the first rotating shaft, and a plurality of grooves are annularly arranged on two sides of the first rotating shaft among the bumps. A plurality of connecting columns are fixed to the side face of the first rotating shaft, a through hole is formed in the end, away from the first rotating shaft, of each connecting column, a plurality of first triangular blocks are fixed to the inner side wall of the middle part between the through holes, annular grooves are formed in the two sides of the middle part of each first triangular block, and a plurality of circular grooves are annularly and evenly distributed in the two sides of the middle part beside each annular groove; gaskets are attached to the two sides, beside the circular grooves, of the middle part, a right part and a left part are attached to the sides, away from the middle part, of the gaskets, the left part and the right part are symmetrical, a plurality of circular grooves are annularly formed in one side of the left part, annular grooves are formed in the positions, beside the circular grooves, of the left part, and a plurality of second triangular blocks are fixed to the positions, beside the annular grooves, of the inner wall of the left part.

Description

TECHNICAL FIELD

[0001] The utility model relates to herringbone gear technical field, concretely is a kind of herringbone gear with oil storage cavity. BACKGROUND

[0002] Herringbone gear is the combination of double helical gear, two helical arrangements are on the side of opposite hand. The tooth shape of herringbone gear is arranged at the angle called helix angle, and there is no gap between left and right helix, and it appears in the shape of letter "V". These letters form a pattern similar to fishbone structure. Since the structure has two or more teeth simultaneously engaged, this advantage is smooth power transmission.

[0003] The current herringbone gear design generally includes oil storage function, for example, the utility model with patent No. CN205689716U. The design promotes the flow of lubricating oil by setting a crack in the middle of the gear. However, due to the large width of the herringbone gear, only one gap in the middle may not ensure that the lubricating oil reaches the two side edge positions uniformly, resulting in insufficient lubrication. In addition, the gear is designed as two parts, which may cause different rotation during operation, thereby causing tooth wear problems. SUMMARY

[0004] The purpose of the utility model is to provide a herringbone gear with oil storage cavity to solve the problems raised in the background.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a herringbone gear with oil storage cavity, comprising a middle part, the middle part is internally provided with a first rotating shaft, a plurality of protrusions are arranged in a ring shape on both sides of the first rotating shaft, a plurality of grooves are arranged in a ring shape between the protrusions on both sides of the first rotating shaft, a plurality of connecting columns are fixed on the side surface of the first rotating shaft, a through hole is formed in the end of each connecting column away from the first rotating shaft, a plurality of first triangular blocks are fixed on the inner side wall of the middle part between the through holes, a ring groove is arranged on both sides of the middle part, a plurality of circular grooves are uniformly distributed in a ring shape beside each ring groove on both sides of the middle part, a gasket is attached to both sides of the middle part, the right part and the left part are attached to the side of the gasket away from the middle part, the left part and the right part are symmetrical to each other, a plurality of circular grooves are arranged in a ring shape on one side of the left part, a ring groove is arranged beside the circular groove on the left part, a plurality of second triangular blocks are fixed on the inner wall of the left part beside the ring groove, a second rotating shaft is fixed on the left part between the second triangular blocks, a plurality of grooves are arranged in a ring shape on one side of the second rotating shaft, a plurality of protrusions are arranged on the second rotating shaft between the grooves, the first triangular blocks and the second triangular blocks agitate the lubricating oil attached to the side wall during gear operation, the lubricating oil is gathered in the gap between the gears by the ring groove, and is transported to the surface of the gear by the plurality of circular grooves.

[0006] Preferably, the gasket is provided with a ring piece, and a plurality of connecting pieces are fixed on the ring piece, and a hole is formed at the end of each connecting piece away from the ring piece; the ring piece is sleeved on the first rotating shaft to fix the gasket on the side surface of the middle part through the connecting pieces, so as to reduce the abrasion between the gears.

[0007] Preferably, the first rotating shaft and the second rotating shaft are sleeved with a first fixing pin and a second fixing pin, the first fixing pin and the second fixing pin are connected through threads, and the left part, the middle part and the right part are fixed together through mutual cooperation, so as to prevent the left part and the right part from separating from the middle part during operation.

[0008] Preferably, the plurality of circular grooves are formed between the teeth, so that the lubricating oil can be conveniently delivered between the gears.

[0009] Preferably, the protrusions and the grooves arranged on the two sides of the first rotating shaft are engaged with the protrusions and the grooves arranged on one side of the second rotating shaft, so as to ensure that the left part and the right part are synchronously operated with the middle part.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The utility model discloses a left part, a right part, a circular groove and a ring groove realize the purpose of uniformly lubricating the gear surface, not only avoid the limitation that the lubricating oil is only limited to the middle part of the gear, but also significantly improve the overall flow of the lubricating oil.

[0012] The utility model discloses a protrusion and a groove realize the purpose that the left part, the right part and the middle part are synchronously operated, not only improve the efficiency of mechanical operation, but also significantly reduce the tooth abrasion of the gear caused by asynchronous operation. DRAWINGS

[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0014] Figure 2 It is the fixed pin structure schematic diagram of the utility model;

[0015] Figure 3 It is the middle part structure schematic diagram of the utility model;

[0016] Figure 4 It is the left part structure schematic diagram of the utility model;

[0017] Figure 5 It is the gasket structure schematic diagram of the utility model.

[0018] Fig. 1, first fixed pin; 2, right part; 3, middle part; 4, left part; 5, second fixed pin; 6, connecting column; 7, first triangular block; 8, first rotating shaft; 9, protruding block; 10, recess; 11, through hole; 12, circular groove; 13, ring groove; 14, second triangular block; 15, second rotating shaft; 16, gasket; 17, connecting sheet; 18, ring sheet; 19, opening. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0020] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "vertical", "upper", "lower", "horizontal" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0021] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected", "linked" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0022] Please refer to Figures 1-5The utility model provides a technical scheme: a herringbone gear with oil storage cavity, including intermediate part 3, the inside of intermediate part 3 is equipped with first rotation axis 8, and the both sides of first rotation axis 8 are annularly arranged with several protrusions 9, and the both sides of first rotation axis 8 between protrusions 9 are annularly arranged with several grooves 10, the side of first rotation axis 8 is fixed with several connecting columns 6, and the end of each connecting column 6 away from first rotation axis 8 is provided with perforation 11, and the inside wall of intermediate part 3 between perforation 11 is fixed with several first triangular blocks 7, and the both sides of intermediate part 3 between first triangular block 7 are equipped with ring groove 13, and the both sides of intermediate part 3 between each ring groove 13 are annularly and evenly distributed with several circular grooves 12, and the both sides of intermediate part 3 between circular groove 12 are pasted with gasket 16, and the side of gasket 16 away from intermediate part 3 is pasted with right part 2 and left part 4, the left part 4 and right part 2 are symmetrical, and the side of left part 4 is annularly equipped with several circular grooves 12, and the ring groove 13 is equipped on left part 4, and the inside wall of left part 4 between ring groove 13 is fixed with several second triangular blocks 14, and the second rotation axis 15 is fixed on left part 4 between second triangular block 14, and the side of second rotation axis 15 is annularly provided with several grooves 10, and the second rotation axis 15 between groove 10 is equipped with several protrusions 9, and first triangular block 7 and second triangular block 14 agitate the lubricating oil pasted on the side wall when the gear runs, and the annular groove gathers the lubricating oil at the gap between the gears, and is transported to the gear surface through several circular grooves 12.

[0023] Further, the gasket 16 is provided with a ring piece 18, the ring piece 18 is fixed with a plurality of connecting pieces 17, the end of each connecting piece 17 away from the ring piece 18 is provided with an opening 19, the ring piece 18 is sleeved on the first rotation axis 8, the connecting piece 17 fixes the gasket 16 on the side of the intermediate part 3, and the abrasion between the gears is reduced.

[0024] Further, the first rotation axis 8 and the second rotation axis 15 are sleeved with a first fixed pin 1 and a second fixed pin 5, the first fixed pin 1 and the second fixed pin 5 are connected through threads, and the left part 4, the intermediate part 3 and the right part 2 are fixed together, so that the left part 4 and the right part 2 are prevented from separating from the intermediate part 3 during operation.

[0025] Further, the plurality of circular grooves 12 are provided between the teeth and the teeth, so that the lubricating oil can be transported between the gears.

[0026] Further, the protrusions 9 and the grooves 10 arranged on the both sides of the first rotation axis 8 are engaged with the protrusions 9 and the grooves 10 arranged on the side of the second rotation axis 15, so that the left part 4 and the right part 2 are ensured to run synchronously with the intermediate part 3.

[0027] Working principle: the device is mainly composed of middle part 3, left part 4 and right part 2, when the gear rotates, the first triangular block 7 fixed on the inner wall of the middle part 3, the second triangular block 14 fixed on the inner wall of the left part 4 and the right part 2 continuously agitate the lubricating oil attached on the inner wall, prevent the lubricating oil from producing sediment after being attached for a long time, the ring groove 13 is arranged to gather the lubricating oil together, and the lubricating oil is transported to the gear surface through the plurality of circular grooves 12.

[0028] The thickness of the middle part 3, the left part 4 and the right part 2 is same, so that the gaps after splicing of the three are uniformly arranged on the gear surface, the lubricating oil uniformly spreads on the gear surface, and the gear sides cannot be lubricated.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A double helical gear with oil reservoirs, characterized by: The utility model relates to a kind of rotary cutting machine, including middle part (3), the first rotating shaft (8) is equipped inside the middle part (3), the first rotating shaft (8) both sides are annularly arranged with several protrusions (9), several recesses (10) are annularly arranged between protrusion (9) both sides of the first rotating shaft (8), the first rotating shaft (8) side is fixed with several connecting columns (6), the end of each connecting column (6) away from the first rotating shaft (8) is equipped with perforation (11), and several first triangular blocks (7) are fixed on the inner wall of middle part (3) between perforation (11), first triangular block (7) both sides are equipped with ring groove (13) in the middle part (3) both sides, and several circular grooves (12) are evenly distributed in the middle part (3) both sides in each ring groove (13) side, circular groove (12) side is pasted with gasket (16) in the middle part (3) both sides, gasket (16) side is pasted with right part (2) and left part (4) away from the middle part (3), the left part (4) and right part (2) are symmetrical, and the left part (4) one side is annularly equipped with several circular grooves (12), circular groove (12) side is equipped with ring groove (13) in the left part (4), and several second triangular blocks (14) are fixed on the inner wall of left part (4) in ring groove (13) side, second triangular block (14) is fixed with second rotating shaft (15) between the left part (4), and the first rotating shaft (8) and second rotating shaft (15) are equipped with the first fixed pin (1) and second fixed pin (5) in sleeve, and the first fixed pin (1) and second fixed pin (5) are connected by screw thread between.

2. The double helical gear with oil storage cavity according to claim 1, characterized in that: Ring piece (18) is equipped in the gasket (16), and several connecting pieces (17) are fixed on ring piece (18), and the end of each connecting piece (17) away from ring piece (18) is equipped with aperture (19).

3. The double helical gear with oil reservoir according to claim 1, wherein: The first rotating shaft (8) and second rotating shaft (15) are equipped with the first fixed pin (1) and second fixed pin (5) in sleeve, and the first fixed pin (1) and second fixed pin (5) are connected by screw thread between.

4. The double helical gear with oil reservoir according to claim 1, wherein: The several circular grooves (12) are equipped between tooth and tooth.

5. The double helical gear with oil reservoir according to claim 1, wherein: The protrusion (9) and recess (10) of the first rotating shaft (8) both sides are engaged with the protrusion (9) and recess (10) of the second rotating shaft (15) one side.

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