Oil injection structure of speed reducer

Abstract

The utility model relates to the technical field of speed reducer maintenance, in particular to a speed reducer oil injection structure. Comprising a shell, a rotating shaft and an oiling assembly, the rotating shaft is sleeved with the shell, the oil injection assembly is embedded in the shell, one end of the oil injection assembly is communicated with a to-be-lubricated transmission structure between the shell and the rotating shaft, and the other end of the oil injection assembly forms an inlet for injecting lubricating oil. The speed reducer oil injection structure is simple and easy to use, oil injection and lubrication can be carried out on a to-be-lubricated structure in a speed reducer without disassembly, the daily maintenance efficiency is improved, and the service life of equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of speed reducer maintenance, especially to the oil injection structure of speed reducer. BACKGROUND

[0002] The original grease type front and middle roller speed reducer cannot be oiled and maintained normally due to the sealing design, which leads to frequent damage. Through disassembly, inspection and maintenance of the grease type front and middle roller speed reducer, it is found that most of the damage is caused by lack of oil. If the oiling and maintenance are carried out by disassembling regularly, it is not only troublesome, but also delays production. Therefore, it is urgent to solve the problem.

[0003] The above content is only used to assist in understanding the technical scheme of the utility model, and does not represent that the above content is the closest prior art. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem of providing the oil injection structure of speed reducer, which is simple in structure and easy to use, and can lubricate the internal lubricating structure of the speed reducer without disassembly, thereby improving the daily maintenance efficiency and prolonging the service life of the equipment.

[0005] To achieve the purpose, the technical scheme of the utility model is as follows: the oil injection structure of speed reducer comprises an outer shell, a rotating shaft and an oil injection assembly. The outer shell is sleeved outside the rotating shaft. The oil injection assembly is embedded on the outer shell. One end of the oil injection assembly is communicated with the lubricating transmission structure between the outer shell and the rotating shaft. The other end of the oil injection assembly constitutes an inlet for injecting lubricating oil.

[0006] Preferably, the oil injection assembly comprises a communication part and a sealing part. The outer shell is provided with a through hole. One end of the through hole is communicated with the outside of the outer shell, and the other end is communicated with the lubricating transmission structure between the outer shell and the rotating shaft. The communication part is connected with the through hole in a clamping and embedding mode. The sealing part is arranged in the communication part to seal the communication part, and the sealing part and the communication part are elastically connected.

[0007] Preferably, the communication part comprises a sleeve. The sleeve is provided with annular inner flanges at both ends, and the sleeve is connected with the through hole in a clamping and embedding mode.

[0008] Preferably, the sealing part comprises a circular abutting piece, an elastic support and a circular connecting piece. The edge of the upper surface of the circular abutting piece is abutted with the bottom of the top annular inner flange of the sleeve, and the lower surface of the circular abutting piece is connected with one end of the elastic support. The edge of the lower surface of the circular connecting piece is abutted with the top of the bottom annular inner flange of the sleeve, the upper surface of the circular connecting piece is connected with the other end of the elastic support, and the circular connecting piece is provided with an oil flow hole. The elastic support can stretch and contract along the length direction under the pushing of external force.

[0009] Preferably, the oil guide is conical, the edge of the top of the oil guide is connected with the bottom of the annular inner flange of the top end of the sleeve, and the middle of the oil guide is provided with an oil inlet hole; the upper surface of the circular abutting piece is in abutment with the bottom of the oil inlet hole.

[0010] Preferably, the elastic support is a sleeve rod, and the inside of the sleeve rod is provided with a spring.

[0011] The beneficial effects of the utility model are embodied in:

[0012] The oil injection structure of the utility model provides, by adding an oil injection nozzle to the oil grease type front and middle roller speed reducer which has been maintained, the oil injection nozzle can supplement oil grease which can penetrate into each transmission component, thereby playing a role of supplementing lubrication. The oil injection nozzle is added to the oil grease type front and middle roller speed reducer which is frequently damaged during disassembly and maintenance, and in the future, the oil injection nozzle can be arranged to be combined with the vehicle and periodically injected and maintained, which can obviously reduce damage caused by lack of oil in the speed reducer, prolong the service life of the speed reducer, and avoid vehicle damage loss and product quality hidden dangers. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The figure is a structural schematic view of the utility model;

[0014] Figure 2 The figure is a structural sectional view of the utility model;

[0015] Figure 3 The figure is a structural schematic view of the oil guide of the utility model;

[0016] Figure 4 The figure is a structural schematic view of the oil injection assembly of the utility model;

[0017] Figure 5 The figure is a structural schematic view of the circular connecting piece of the utility model.

[0018] The figure is a structural schematic view of the oil injection assembly of the utility model;

[0019] A, shell; B, rotating shaft; 10, oil injection assembly; 11, oil guide; 111, oil inlet hole; 12, circular abutting piece; 13, elastic support; 131, spring; 14, circular connecting piece; 141, oil flow hole. DETAILED DESCRIPTION

[0020] With reference to the drawings in the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all the other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the present application.

[0021] Embodiment

[0022] Referring to Figures 1-5 As shown in the utility model provides a speed reducer oil injection structure, including: shell A, shaft B and oil injection assembly 10. Shell A is sleeved on the outside of shaft B, and oil injection assembly 10 is embedded on shell A, one end of oil injection assembly 10 is communicated with the transmission structure to be lubricated between shell A and shaft B, and the other end of oil injection assembly 10 constitutes the inlet of lubricating oil injection.

[0023] In specific application, by injecting lubricating oil along one end of oil injection assembly 10, the lubricating oil can be directed into the transmission structure to be lubricated, and the lubricating oil is directed and lubricated at the point, so that the speed reducer oil injection structure speed reducer does not need to be disassembled, the damage caused by the lack of lubricating oil can be obviously reduced, the use time of the speed reducer can be prolonged, and the loss of bad car and the product quality hidden danger caused thereby can be avoided.

[0024] Oil injection assembly 10 includes a communication part and a sealing part. Shell A is provided with a through hole; one end of the through hole is communicated with the outside of shell A, and the other end is communicated with the transmission structure to be lubricated between shell A and shaft B; the communication part and the through hole constitute a clamping connection; the sealing part is arranged in the communication part and is used for sealing the communication part, and the sealing part and the communication part constitute an elastic connection.

[0025] In specific application, by extruding the sealing part, the lubricating oil can enter the communication part. Such a setting not only ensures that impurities cannot enter when the equipment does not need to be lubricated, but also enables the lubricating oil to be quickly supplemented when lubrication is needed.

[0026] The communication part includes a sleeve; the two ends of the sleeve are provided with annular inner flanges, and the sleeve and the through hole constitute a clamping connection.

[0027] The sealing part is mainly composed of a circular abutting piece 12, an elastic supporting piece 13 and a circular connecting piece 14. The edge of the upper surface of the circular abutting piece 12 is in abutment with the bottom of the annular inner flange at the top end of the sleeve, and the lower surface of the circular abutting piece 12 is connected with one end of the elastic supporting piece 13; the edge of the lower surface of the circular connecting piece 14 is in abutment with the top of the annular inner flange at the bottom end of the sleeve, the upper surface of the circular connecting piece 14 is connected with the other end of the elastic supporting piece 13, and the circular connecting piece 14 is provided with an oil flow hole 141; the elastic supporting piece 13 can be stretched and contracted in the length direction under the pushing of external force.

[0028] In specific application, only the circular abutting piece 12 needs to be squeezed, so that the whole circular abutting piece 12 squeezes the elastic supporting piece 13, so that a gap appears between the circular abutting piece 12 and the sleeve, so that the lubricating oil can enter the transmission structure to be lubricated along the gap and the oil flow hole 141, and lubricate it; when the external force squeezing the circular abutting piece 12 is removed, the squeezed circular abutting piece 12 returns to the original position, and external impurities cannot enter the sleeve. Such a structure is simple and convenient to use.

[0029] In order to expand the gap between the circular abutting piece 12 and the sleeve, an oil guide 11 is further arranged; the oil guide 11 is arranged in a conical shape, the edge of the top of the oil guide 11 is connected with the bottom of the annular inner flange at the top end of the sleeve, and the oil guide 11 is provided with an oil inlet hole 111 in the middle; the upper surface of the circular abutting piece 12 is in abutment with the bottom of the oil inlet hole 111, so that the area of the circular abutting piece 12 only needs to be larger than the oil inlet hole 111.

[0030] The elastic supporting piece 13 is arranged as a sleeve rod, and the sleeve rod is provided with a spring 131 inside. Such a structure is simple and easy to produce.

[0031] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A reducer oil injection structure, characterized in that, include: The housing (A), the shaft (B), and the oil injection assembly (10) are fitted onto the outside of the shaft (B). The oil injection assembly (10) is embedded in the housing (A). One end of the oil injection assembly (10) is connected to the transmission structure to be lubricated between the housing (A) and the shaft (B). The other end of the oil injection assembly (10) forms an inlet for injecting lubricating oil. The oil injection assembly (10) includes a connecting part and a sealing part; the outer shell (A) is provided with a through hole; one end of the through hole is connected to the outside of the outer shell (A), and the other end is connected to the transmission structure to be lubricated between the outer shell (A) and the rotating shaft (B); the connecting part and the through hole form a snap-fit ​​connection; the sealing part is disposed in the connecting part for sealing the connecting part, and the sealing part and the connecting part form an elastic connection.

2. The reducer oil injection structure according to claim 1, characterized in that, The connecting part includes a sleeve; both ends of the sleeve are provided with annular inner flanges, and the sleeve and the through hole form a snap-fit ​​connection.

3. The oil injection structure for the speed reducer according to claim 2, characterized in that, The sealing part includes a circular abutment piece (12), an elastic support member (13), and a circular connecting piece (14); the edge of the upper surface of the circular abutment piece (12) abuts against the bottom of the annular inner flange at the top of the sleeve, and the lower surface of the circular abutment piece (12) is connected to one end of the elastic support member (13); the edge of the lower surface of the circular connecting piece (14) abuts against the top of the annular inner flange at the bottom of the sleeve, the upper surface of the circular connecting piece (14) is connected to the other end of the elastic support member (13), and the circular connecting piece (14) is provided with an oil flow hole (141); the elastic support member (13) can extend and retract along the length direction under the push of external force.

4. The oil injection structure for the speed reducer according to claim 3, characterized in that, It also includes an oil guide bucket (11); the oil guide bucket (11) is set in a conical shape, the top edge of the oil guide bucket (11) is connected to the bottom of the annular inner flange at the top of the sleeve, and an oil inlet hole (111) is provided in the middle of the oil guide bucket (11); the upper surface of the circular abutment piece (12) abuts against the bottom of the oil inlet hole (111).

5. The oil injection structure for the speed reducer according to claim 4, characterized in that, The elastic support (13) is configured as a sleeve rod, and a spring (131) is provided inside the sleeve rod.

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