CN217519164U

CN217519164U - Two-stage sun gear for tubular motor

Info

Publication number: CN217519164U
Application number: CN202220625709.0U
Authority: CN
Inventors: 周健
Original assignee: Zhejiang Zhongping Powder Metallurgy Co Ltd
Current assignee: Zhejiang Zhongping Powder Metallurgy Co Ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-09-30
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a second grade sun gear for tubular motor relates to gear technical field, including the gear body, the gear body includes gear inner circle and gear outer lane, and the inside wall of gear outer lane is seted up flutedly, and the gear inner circle, gear outer lane and recess enclose into storage cavity jointly, and the oil filler point has been seted up on the surface of gear outer lane, and the oil filler point is linked together with storage cavity, and the inner wall of gear outer lane still is provided with the oil feed tank, and the interval is provided with a plurality of teeth on the periphery of gear outer lane, and the drainage groove has all been seted up to the both sides of tooth, and the drainage groove is linked together with storage cavity. This tubulose is second grade sun gear for motor opens the oil filler point and can just can store lubricating oil to storing the cavity intracavity, and then reaches the purpose of lasting lubrication, and the drainage cotton can attract lubricating oil, through drainage groove homodisperse to a plurality of teeth on to improve the lubricated effect of tooth, reduce the wearing and tearing of gear, improve the life of gear.

Description

Two-stage sun gear for tubular motor

Technical Field

The utility model relates to the technical field of gears, specifically be second grade sun gear for tubular motor.

Background

The gear is a mechanical element which has teeth on a wheel rim and can continuously mesh to transmit motion and power, and is a toothed mechanical part which can mesh with each other, the diameter of a large gear is one time of that of a small gear, most of the existing gears are formed by casting and then finely processing, and the gear is widely applied to equipment and applied to various occasions and equipment.

Patent publication No. CN202812102U discloses a second grade sun gear, including the rim plate, the border has a plurality of rectangle teeth of a cogwheel respectively around the rim plate all around, has the tooth's socket between two adjacent rectangle teeth of a cogwheel, and the middle part of rim plate is equipped with the step hole, is equipped with a plurality of oil filler points that lead to the tooth's socket respectively around on the rim plate around the step hole, and the prong and the both sides face of a plurality of rectangle teeth of a cogwheel have the wearing layer respectively, and the prong of a plurality of rectangle teeth of a cogwheel is equipped with the breach respectively. The utility model has compact structure, the surface of the gear teeth is provided with a wear-resistant layer, thus reducing the wear of the second-level sun gear; the wheel disc is provided with a plurality of oil injection holes leading to the tooth grooves and used for injecting lubricating oil between two adjacent gear teeth, so that a good lubricating effect is achieved; the gear teeth are provided with notches to eliminate stress generated in the rotation process of the gear teeth and prolong the service life of the gear teeth.

However, in the actual use process, the gear can be filled with oil through the oil injection hole, so that the lubricating effect is improved, the friction force is reduced, but the gear does not have the oil storage function, oil needs to be injected for multiple times, and the oil is diffused after the oil is injected, so that the gear is inconvenient to use in the later period.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Not enough to prior art, the utility model provides a tubulose is second grade sun gear for motor has solved the problem of proposing in the above-mentioned background art.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the secondary sun gear for the tubular motor comprises a gear body, wherein the gear body comprises a gear inner ring and a gear outer ring, a groove is formed in the inner side wall of the gear outer ring, the gear inner ring, the gear outer ring and the groove jointly enclose a storage cavity, an oil filling hole is formed in the surface of the gear outer ring and is communicated with the storage cavity, an oil supply groove is further formed in the inner wall of the gear outer ring, a plurality of teeth are arranged on the circumferential surface of the gear outer ring at intervals, drainage grooves are formed in the two sides of the teeth and are communicated with the storage cavity, drainage cotton is filled in the inner side wall of each drainage groove, thread grooves are formed in the inner side wall of each oil filling hole, and sealing bolts are connected to the inner side wall of each thread groove in a threaded mode.

Optionally, a reinforcing rib is formed between the two grooves, one end of the reinforcing rib abuts against the outer wall of the gear inner ring, and the reinforcing rib can provide supporting force for the gear inner ring and the gear outer ring so as to ensure the rigidity of the gear inner ring and the gear outer ring.

Optionally, the gear inner ring further comprises an integrally formed gear outer ring, mounting grooves are formed in the middle of the gear outer ring and the gear inner ring, the gear outer ring and the gear inner ring are of an integrally formed structure, the stability of the gear inner ring is improved, and meanwhile the mounting grooves can be used for conveniently mounting the gear inner ring at the output end of the motor.

Optionally, the mounting groove is tubulose and port department is provided with the chamfer, the keyway has still been seted up to the inside wall of mounting groove, and the keyway can be with the output end looks joint of motor, can effectively avoid the gliding phenomenon of gear body.

Optionally, the circular slot has been seted up to the bottom surface of gear outer lane, the spline has been seted up to the inner diapire of circular slot, the quantity of spline is a plurality of, a plurality of the spline is annular array at the inner diapire of circular slot, and the spline can make things convenient for other gears of personnel's equipment.

Optionally, a sealing gasket is sleeved on the surface of the sealing bolt, an inner embedded groove is further formed in one end of the thread groove, the inner embedded groove is in clearance fit with the sealing bolt, and the sealing bolt is in clearance fit with the inner embedded groove and is conveniently stored in the inner embedded groove, so that the flatness of the surface of the gear body is improved.

Optionally, the sealing bolt with the thread groove is embedded in the embedded groove after being sealed and closed, the sealing gasket is made of butadiene-acrylonitrile rubber, the sealing gasket made of butadiene-acrylonitrile rubber is good in oil resistance, wear resistance and heat resistance and strong in bonding force, and the thread groove can be better sealed.

Advantageous effects

The utility model provides a second grade sun gear for tubular motor possesses following beneficial effect:

this second grade sun gear for tubulose motor through the setting of storage cavity, oil filler point, fuel feeding tank, drainage groove, drainage cotton and sealing bolt, opens the oil filler point and can just can store lubricating oil to the intracavity of storing the cavity, and then reaches the purpose of lasting lubrication, and the drainage cotton can attract lubricating oil, through drainage groove homodisperse to a plurality of teeth on to improve the lubricated effect of tooth, reduce the wearing and tearing of gear, improve the life of gear.

Drawings

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

fig. 2 is a schematic view of the vertical structure of the present invention;

fig. 3 is a schematic view of the bottom view structure of the present invention;

FIG. 4 is a schematic view of the present invention in a partial cross-sectional view;

fig. 5 is an enlarged view of a portion a in fig. 4 according to the present invention.

In the figure: 1-gear body, 101-gear inner ring, 102-gear outer ring, 3-storage cavity, 4-oil filling hole, 7-oil supply groove, 8-tooth, 9-drainage groove, 10-drainage cotton, 11-thread groove, 12-sealing bolt, 13-reinforcing rib, 14-mounting groove, 15-key groove, 16-sealing gasket and 17-spline.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: secondary sun gear for tubular motor, including gear body 1, gear body 1 includes gear inner circle 101 and gear outer lane 102, the inside wall of gear outer lane 102 is seted up flutedly, gear inner circle 101, gear outer lane 102 encloses into vacuole formation 3 with the recess jointly, oil filler point 4 has been seted up on gear outer lane 102's surface, oil filler point 4 is linked together with vacuole formation 3, the inner wall of gear outer lane 102 still is provided with oil feed groove 7, the interval is provided with a plurality of teeth 8 on gear outer lane 102's the periphery, drainage groove 9 has all been seted up to the both sides of tooth 8, drainage groove 9 is linked together with vacuole formation 3, the inside wall packing of drainage groove 9 is provided with drainage cotton 10, oil storage cavity 3 is connected with drainage groove 9 respectively through oil feed groove 7, constitute the fluid passageway, fluid flows into the drainage groove then is adsorbed by the drainage cotton through oil feed groove 7. So can reduce the outflow of lubricating oil, avoid causing lubricating oil extravagant, and drainage cotton 10 can play the isolation effect, avoid impurity to get into oil storage cavity 3, cause the jam of oil storage cavity, the drainage cotton can attract lubricating oil, through drainage groove homodisperse to a plurality of teeth on, thereby improve the lubricated effect of tooth, reduce the wearing and tearing of gear, improve the life of gear, threaded groove 11 has been seted up with the inside wall of gear oil filler point 4, the inside wall threaded connection of threaded groove 11 has sealing bolt 12.

Mounting groove 14 is tubulose and port department is provided with the chamfer, keyway 15 has still been seted up to mounting groove 14's inside wall, keyway 15 can with the output end joint of motor, can effectively avoid the gliding phenomenon of gear body 1, the circular slot has been seted up to gear outer lane 102's bottom surface, spline 17 has been seted up to the inner diapire of circular slot, the quantity of spline 17 is a plurality of, a plurality of spline 17 is the inner diapire of annular array at the circular slot, spline 17 can make things convenient for other gears of personnel's equipment. In this embodiment, the spline is triangular in shape, the triangle is used for connecting the triangular gear matched with the spline, the spline can be equally replaced by an isosceles trapezoid spline, and the isosceles trapezoid spline groove is used for connecting the isosceles trapezoid spline gear matched with the isosceles trapezoid spline groove. The surface cover of sealing bolt 12 is equipped with sealed 16, and the inner caulking groove has still been seted up to the one end of thread groove 11, inner caulking groove and sealing bolt 12 clearance fit, and sealing bolt 12 and inner caulking groove clearance fit conveniently accomodate in the inner caulking groove to improve the roughness on gear body 1 surface, sealing bolt 12 and thread groove 11 are sealed closed after the inlay locate in the inner caulking groove, and the material of sealed 16 of filling up is butadiene acrylonitrile rubber. The nitrile rubber NBR is a copolymer formed by polymerizing acrylonitrile and butadiene monomers, is mainly produced by a low-temperature emulsion polymerization method, and has the advantages of excellent oil resistance, higher wear resistance, better heat resistance and strong bonding force. The disadvantages of the nitrile rubber are poor low temperature resistance, poor ozone resistance, poor insulating property and slightly low elasticity, and the nitrile rubber is mainly used for manufacturing oil-resistant rubber products. The more the acrylonitrile content, the better the oil resistance, but the cold resistance is decreased accordingly. It can be used in 120 deg.C air or 150 deg.C oil for a long period. In addition, it has excellent water resistance, air tightness and excellent adhesion performance. Widely used in making various oil resistant rubber goods, multiple oil resistant packing ring, a gasket, the flexible glue pipe, cable glue material etc, and then can be better seal thread groove 11, constitute strengthening rib 13 between two recesses, the outer wall of gear inner circle 101 is supported tightly to the one end of strengthening rib 13, strengthening rib 13 can provide the holding power to gear inner circle 101 and gear outer lane 102, in order to guarantee the rigidity of gear inner circle 101 and gear outer lane 102, gear inner circle 101 still includes integrated into one piece's gear outer lane 102, mounting groove 14 has all been seted up with the middle part of gear inner circle 101 to gear outer lane 102, gear outer lane and gear inner circle have improved the stability of gear inner circle for integrated into one piece structure, the output at the motor with gear inner circle 101 that mounting groove 14 can be convenient simultaneously.

In conclusion, when the two-stage sun gear for the tubular motor is used, a worker fixedly installs the gear body 1 on an output shaft of the motor through the installation groove 14 and the key groove 15, the spline 17 can facilitate the connection of the gear body 1 with other gears, the two-stage sun gear is used in a combined manner, when the two-stage sun gear is used, the worker can screw down the sealing bolt 12 and open the oil filling hole 4, lubricating oil is filled into the storage cavity through the oil filling hole 4, the lubricating oil is stored in the oil storage cavity 3 to provide oil supply, and further the purpose of continuous lubrication is achieved, the oil storage cavity 3 is respectively connected with the drainage grooves 9 through the oil supply grooves 7 to form an oil passage, the oil flows into the drainage grooves 9 through the oil supply grooves 7 and then is adsorbed by the drainage cotton, so that the outflow of the lubricating oil can be reduced, the waste of the lubricating oil is avoided, the drainage cotton 10 can play a role of isolation, and impurities are prevented from entering the oil storage cavity 3, cause the jam of storage cavity 3, drainage cotton 10 can attract lubricating oil, through drainage groove 9 homodisperse to a plurality of teeth 8 on to improve 8 lubricated effects of tooth, reduce 1 wearing and tearing of gear body, improve 1 gear body's life.

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. Tubular motor is with second grade sun gear, including gear body (1), its characterized in that: the gear body (1) comprises a gear inner ring (101) and a gear outer ring (102), a groove is formed in the inner side wall of the gear outer ring (102), the gear inner ring (101), the gear outer ring (102) and the groove jointly enclose a synthetic storage cavity (3), an oil filling hole (4) is formed in the surface of the gear outer ring (102), the oil filling hole (4) is communicated with the storage cavity (3), an oil supply groove (7) is further formed in the inner wall of the gear outer ring (102), a plurality of teeth (8) are arranged on the circumferential surface of the gear outer ring (102) at intervals, drainage grooves (9) are formed in the two sides of each tooth (8), the drainage grooves (9) are communicated with the storage cavity (3), drainage cotton (10) are filled in the inner side wall of each drainage groove (9), and thread grooves (11) are formed in the inner side wall of each oil filling hole (4), and the inner side wall of the thread groove (11) is in threaded connection with a sealing bolt (12).

2. The secondary sun gear for a tubular electric machine of claim 1, wherein: and a reinforcing rib (13) is formed between the two grooves, and one end of the reinforcing rib (13) is tightly propped against the outer wall of the gear inner ring (101).

3. The secondary sun gear for a tubular motor according to claim 1, wherein: the gear inner ring (101) further comprises an integrally formed gear outer ring (102), and mounting grooves (14) are formed in the middle of the gear outer ring (102) and the middle of the gear inner ring (101).

4. A secondary sun wheel for a tubular electric machine according to claim 3, characterized in that: the mounting groove (14) is tubulose and the port department is provided with the chamfer, keyway (15) have still been seted up to the inside wall of mounting groove (14).

5. The secondary sun gear for a tubular electric machine of claim 1, wherein: the bottom surface of gear outer lane (102) has seted up the circular slot, spline (17) have been seted up to the inner bottom wall of circular slot, the quantity of spline (17) is a plurality of, a plurality of spline (17) are the inner bottom wall of annular array at the circular slot.

6. The secondary sun gear for a tubular electric machine of claim 1, wherein: the surface of the sealing bolt (12) is sleeved with a sealing gasket (16), one end of the thread groove (11) is also provided with an embedded groove, and the embedded groove is in clearance fit with the sealing bolt (12).

7. The secondary sun gear for a tubular electric machine of claim 6, wherein: the sealing bolt (12) and the thread groove (11) are embedded in the embedded groove after being sealed and closed, and the sealing gasket (16) is made of butadiene acrylonitrile rubber.