CN215567676U - Worm reducer convenient for lubricating bearing - Google Patents

Abstract

The application discloses worm reducer convenient to it is lubricated to bearing, which comprises a housin, rotate the worm that connects in the casing and with worm complex worm wheel, the casing has the oil pocket, the worm wheel rotates through the pivot and connects in the casing, two sets of lubricating oil subassemblies have been arranged to the pivot, the lubricating oil subassembly includes go-between and conveyer pipe, the go-between is located the position that the pivot is close to the bearing and cup joints in the pivot, the conveyer pipe sets up for the pivot slope, the oil duct has been arranged to the go-between, oil duct one end communicates with the curved surface of go-between, the other end of oil duct communicates with the terminal surface that is close to the bearing of go-between, the end fixing of conveyer pipe is in the curved surface of go-between and communicates with the oil duct, the one end that the go-between was kept away from to the conveyer pipe has been arranged and has got the oil box, the oil inlet has been arranged on getting the oil box, the direction that the oil box moved is got to the oil inlet orientation. Through the arrangement, the bearing of the shaft far away from the bottom of the reducer shell can be lubricated, and the service life of the worm reducer bearing is effectively prolonged.

Description

Worm reducer convenient for lubricating bearing

Technical Field

The application relates to the field of speed reducers, in particular to a worm speed reducer convenient for lubricating a bearing.

Background

The worm reducer is the reduction gear commonly used that the structure is simple relatively, and the reduction ratio is great, and according to worm reducer's characteristic, its input shaft sets up with the output shaft is perpendicular, and input shaft and output shaft are inconsistent for the height of reduction gear housing bottom, consequently can lead to the bearing lubrication effect of the axle matching far away apart from reduction gear housing bottom relatively poor, and after long-time operation worm reducer, the bearing can fatigue fracture, influences whole worm reducer's life.

SUMMERY OF THE UTILITY MODEL

The application provides a worm reducer convenient to it is lubricated to bearing can lubricate the bearing of the axle far away from reduction gear housing bottom, reduces the impaired cracked phenomenon of bearing and appears, the effectual life who prolongs worm reducer bearing has prolonged the guarantee period.

The application provides a worm reducer convenient for lubricating bearings, which comprises a shell, a worm rotatably connected to the shell and a worm wheel matched with the worm, wherein the shell is provided with an oil cavity, the worm wheel is rotatably connected into the shell through a rotating shaft, the worm is positioned at the lower end of the rotating shaft, the rotating shaft is provided with two groups of lubricating oil components used for conveying lubricating oil in the oil cavity to each bearing corresponding to the rotating shaft, each lubricating oil component comprises a connecting ring and a conveying pipe, the connecting ring is positioned at the position of the rotating shaft close to the bearing and is sleeved on the rotating shaft, the conveying pipe is obliquely arranged relative to the rotating shaft and is provided with an oil duct, one end of the oil duct is communicated with the curved surface of the connecting ring, the other end of the oil duct is communicated with the end surface of the connecting ring close to the bearing, the end part of the conveying pipe is fixed on the curved surface of the connecting ring and is communicated with the oil duct, one end of the conveying pipe far away from the connecting ring is provided with an oil taking box, and an oil inlet is arranged on the oil taking box, the oil inlet faces to the moving direction of the oil taking box.

Through the arrangement, the connecting ring is arranged to enable the whole lubricating assembly to be connected with the rotating shaft, the oil duct is arranged on the connecting ring, the oil duct and the conveying pipe form a conveying channel, the conveying pipe is fixedly connected with the connecting ring, the rotating shaft drives the connecting ring to rotate when rotating, meanwhile, the conveying pipe is driven to move under the action of the connecting ring, due to the connection relation between the conveying pipe and the oil taking box, the conveying pipe can drive the oil taking box to move, the oil taking box is provided with the oil inlet, the opening position of the oil inlet is limited, so that the lubricating oil in the oil cavity is scooped into the oil taking box in the moving process of the oil taking box, then is conveyed to the oil duct through the conveying pipe, and finally flows into the bearing, the bearing of the shaft far away from the bottom of the reducer shell can be lubricated, the phenomenon that the bearing is damaged and broken is reduced, and the service life of the worm reducer bearing is effectively prolonged, the guarantee period is prolonged.

Further, the conveyer pipe and get and arrange the flexible pipe that is used for the control to prepare relative distance between oil box and the pivot between the oil box, flexible pipe is on a parallel with the conveyer pipe, the one end of flexible pipe with get the oil box and be connected, flexible pipe keeps away from the one end of getting the oil box and slides and cup joint in the conveyer pipe, a plurality of draw-in grooves have been seted up along the axis direction of conveyer pipe to the pipe wall of conveyer pipe, arrange the flexure strip with the draw-in groove adaptation on the pipe wall of flexible pipe, when flexible pipe and conveyer pipe are in fixed state, the flexure strip joint is in the draw-in groove.

Through the setting, set up flexible pipe between conveyer pipe and the oil extraction box, the relative distance between the axis of oil extraction box and pivot is prepared to convenient the control, and the orbit of conveniently confirming the oil extraction box, and can adapt to different volumetric casings, arrange the draw-in groove on the pipe wall of conveyer pipe to arrange the flexure strip on the pipe wall of flexible pipe, through draw-in groove and flexure strip joint improvement flexible pipe and conveyer pipe between the stability of being connected.

Furthermore, the conveying pipe is perpendicular to the rotating shaft, an oil conveying half pipe is arranged at the end part of the oil duct close to the bearing, the end part of the oil conveying half pipe is fixed on the connecting ring, and the oil conveying half pipe is parallel to the rotating shaft.

Through the setting, the position relation between transport pipe and the pivot is injectd, is favorable to shortening the distance of lubricating oil motion, and the oil delivery half pipe is arranged to the tip of oil duct, conveniently carries out the current-limiting to lubricating oil for the volume of the lubricating oil that gushes into the bearing increases, reduces the phenomenon that the lubricating oil that gets into the oil duct runs off.

Based on the worm reducer convenient for lubricating the bearing, the connecting ring is arranged to enable the whole lubricating component to be connected with the rotating shaft, the oil duct is arranged on the connecting ring, the oil duct and the conveying pipe form a conveying channel, the conveying pipe is fixedly connected with the connecting ring, the rotating shaft drives the connecting ring to rotate when rotating, meanwhile, the conveying pipe is driven to move under the action of the connecting ring, due to the fact that the connecting relation exists between the conveying pipe and the oil taking box, the conveying pipe can drive the oil taking box to move, the oil taking box is provided with the oil inlet, the opening position of the oil inlet is limited, the lubricating oil in the oil cavity is scooped into the oil taking box in the moving process of the oil taking box, then the lubricating oil is conveyed to the oil duct through the conveying pipe and finally enters the bearing, the bearing of the shaft far away from the bottom of the reducer shell can be lubricated, and the phenomenon that the bearing is damaged and broken is reduced, the service life of the worm reducer bearing is effectively prolonged, and the guarantee period is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic internal cross-sectional view of a worm reducer in an embodiment of the present application;

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Reference numerals: 1. a housing; 2. a worm; 3. a worm gear; 4. an oil chamber; 5. a rotating shaft; 6. a bearing; 7. a connecting ring; 8. a delivery pipe; 9. an oil passage; 10. taking an oil box; 11. an oil inlet; 12. a telescopic pipe; 13. a card slot; 14. an elastic sheet; 15. and (4) an oil transportation semi-pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Referring to fig. 1 and 2, the present application provides a worm reducer for lubricating a bearing, including a housing 1, a worm 2 rotatably connected to the housing 1, and a worm wheel 3 engaged with the worm 2, wherein the housing 1 has an oil chamber 4, the worm wheel 3 is rotatably connected to the housing 1 through a rotating shaft 5, and the worm 2 is located at a lower end of the rotating shaft 5.

Two sets of lubricating oil components used for conveying lubricating oil in the oil cavity 4 to each bearing 6 corresponding to the rotating shaft 5 are arranged on the rotating shaft 5, each lubricating oil component comprises a connecting ring 7 and a conveying pipe 8, the connecting ring 7 is located at the position, close to the bearing 6, of the rotating shaft 5 and fixedly sleeved on the rotating shaft 5, and the connecting ring 7 and the rotating shaft 5 are in interference fit. The conveying pipe 8 is obliquely arranged relative to the rotating shaft 5, the connecting ring 7 is provided with an oil passage 9, one end of the oil passage 9 is communicated with the curved surface of the connecting ring 7, and the other end of the oil passage 9 is communicated with the end face, close to the bearing 6, of the connecting ring 7. The tip of conveyer pipe 8 is fixed in the curved surface of go-between 7 and communicates with oil duct 9, and the one end that conveyer pipe 8 kept away from go-between 7 has been arranged and has been got oil box 10, and conveyer pipe 8 and the inner chamber intercommunication of getting oil box 10 get oil box 10 and have arranged oil inlet 11, and oil inlet 11 is towards the direction of getting oil box 10 motion all the time.

The connection ring 7 is provided so that the entire lubricating assembly is connected to the rotating shaft 5, and the oil passage 9 is disposed on the connection ring 7 so that the oil passage 9 and the delivery pipe 8 form one delivery passage. The conveying pipe 8 is fixedly connected with the connecting ring 7, the rotating shaft 5 drives the connecting ring 7 to rotate when rotating, and meanwhile the conveying pipe 8 is driven to move under the action of the connecting ring 7. Due to the connection relationship between the delivery pipe 8 and the oil extraction box 10, the movement of the delivery pipe 8 drives the movement of the oil extraction box 10. The oil taking box 10 is provided with an oil inlet 11, and the opening position of the oil inlet 11 is limited, so that the lubricating oil in the oil cavity 4 is scooped into the oil taking box 10 by the oil taking box 10 in the moving process, is transported to the oil channel 9 through the conveying pipe 8, and finally flows into the bearing 6. Can lubricate the bearing 6 of the axle far away from 1 bottom of reducer housing, reduce the impaired cracked phenomenon of bearing 6 and appear, effectual life who prolongs worm reducer bearing 6 has prolonged the guarantee period.

For facilitating the oil taking box 10 to adapt to oil levels of different heights, a telescopic pipe 12 used for controlling the relative distance between the oil taking box 10 and the rotating shaft 5 is arranged between the conveying pipe 8 and the oil taking box 10, the telescopic pipe 12 is parallel to the conveying pipe 8, one end of the telescopic pipe 12 is fixedly connected with the oil taking box 10 and communicated with the inner cavity of the oil taking box 10, and one end, far away from the oil taking box 10, of the telescopic pipe 12 is slidably sleeved on the conveying pipe 8. A plurality of clamping grooves 13 are formed in the pipe wall of the conveying pipe 8 along the axis direction of the conveying pipe, elastic pieces 14 matched with the clamping grooves 13 are arranged on the pipe wall of the telescopic pipe 12, and when the telescopic pipe 12 and the conveying pipe 8 are in a fixed state, the elastic pieces 14 are clamped in the clamping grooves 13.

Through the setting, set up flexible pipe 12 between conveyer pipe 8 and the oil extraction box 10, the relative distance between the axis of conveniently controlling oil extraction box 10 and pivot 5, the orbit of conveniently confirming the oil extraction box 10, and can adapt to different volumetric casings 1, arrange draw-in groove 13 on the pipe wall of conveyer pipe 8, and arrange flexure strip 14 on the pipe wall of flexible pipe 12, improve the stability of being connected between flexible pipe 12 and the conveyer pipe 8 through draw-in groove 13 and flexure strip 14 joint.

The conveying pipe is perpendicular to the rotating shaft 5, the position relation between the conveying pipe and the rotating shaft 5 is limited, and the movement path of lubricating oil is favorably shortened.

In order to reduce the excessive loss of the lubricating oil entering the oil duct 9 before the lubricating oil enters the bearing 6, an oil delivery half-pipe 15 is arranged at the end part of the oil duct 9 close to the bearing 6, the end part of the oil delivery half-pipe 15 is fixed on the connecting ring 7, and the oil delivery half-pipe 15 is parallel to the rotating shaft 5.

Through the arrangement, the oil delivery half pipe 15 is arranged at the end part of the oil duct 9, so that the lubricating oil is conveniently limited, the amount of the lubricating oil which is poured into the bearing 6 is increased, and the phenomenon that the lubricating oil entering the oil duct 9 runs off is reduced.

In conclusion, in the process of assembling the worm reducer, the whole lubricating component is firstly installed at the corresponding position of the rotating shaft 5, by adjusting the telescopic rod, the oil inlet 11 of the oil taking box 10 is at the position where the oil is immersed in the lubricating oil, when the worm 2 reducer works, the rotating shaft 5 rotates to drive the connecting ring 7 to move, the conveying pipe 8 is driven to move under the action of the connecting ring 7, the conveying pipe 8 drives the oil taking box 10 to move, under the action of the oil taking box 10, the lubricating oil in the oil cavity 4 is transported to the delivery pipe 8 and then enters the oil channel 9 through the delivery pipe 8, the lubricating oil entering the oil duct 9 is poured into the bearing 6 under the action of the oil delivery half pipe 15, so that the bearing 6 of the shaft far away from the bottom of the reducer shell 1 can be lubricated, the phenomenon that the bearing 6 is damaged and broken is reduced, the service life of the worm reducer bearing 6 is effectively prolonged, and the guarantee period is prolonged.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it is to be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the above terms may be understood by those skilled in the art according to specific situations.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (3)

1. The utility model provides a worm reducer convenient to bearing lubrication, characterized in that, including casing (1), rotate connect in worm (2) of casing (1) and with worm (2) complex worm wheel (3), casing (1) has oil pocket (4), worm wheel (3) rotate through pivot (5) connect in casing (1), worm (2) are located the lower extreme of pivot (5), pivot (5) have arranged two sets ofly be used for with lubricating oil in oil pocket (4) transports the lubricating oil subassembly of each bearing (6) that pivot (5) correspond, the lubricating oil subassembly includes go-between (7) and conveyer pipe (8), go-between (7) are located pivot (5) are close to the position and the fixed cover of bearing (6) and connect in pivot (5), conveyer pipe (8) for pivot (5) slope sets up, an oil duct (9) is arranged on the connecting ring (7), one end of the oil duct (9) is communicated with the curved surface of the connecting ring (7), the other end of the oil duct (9) is communicated with the end face, close to the bearing (6), of the connecting ring (7), the end portion of the conveying pipe (8) is fixed to the curved surface of the connecting ring (7) and is communicated with the oil duct (9), an oil taking box (10) is arranged at one end, far away from the connecting ring (7), of the conveying pipe (8), an oil inlet (11) is arranged on the oil taking box (10), and the oil inlet (11) faces to the moving direction of the oil taking box (10).

2. Worm reducer according to claim 1, characterized in that between said delivery pipe (8) and said extraction box (10) there is arranged a telescopic pipe (12) for controlling the relative distance between said extraction box (10) and said rotation axis (5), the telescopic pipe (12) is parallel to the conveying pipe (8), one end of the telescopic pipe (12) is connected with the oil taking box (10), one end of the telescopic pipe (12) far away from the oil taking box (10) is sleeved on the conveying pipe (8) in a sliding manner, the pipe wall of the conveying pipe (8) is provided with a plurality of clamping grooves (13) along the axial direction of the conveying pipe (8), an elastic sheet (14) matched with the clamping groove (13) is arranged on the tube wall of the telescopic tube (12), when the telescopic pipe (12) and the conveying pipe (8) are in a fixed state, the elastic sheet (14) is clamped in the clamping groove (13).

3. Worm reducer according to claim 1, characterised in that the delivery pipe (8) is arranged perpendicularly to the axis of rotation (5), that the oil channel (9) has an oil delivery half-pipe (15) arranged at its end near the bearing (6), that the end of the oil delivery half-pipe (15) is fixed to the connection ring (7), and that the oil delivery half-pipe (15) is parallel to the axis of rotation (5).

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