CN219639404U

CN219639404U - Driving reduction mechanism convenient to maintain

Info

Publication number: CN219639404U
Application number: CN202321247014.4U
Authority: CN
Inventors: 王刚; 韩永军; 张�杰
Original assignee: Xi'an High Intelligent Technology Co ltd
Current assignee: Xi'an High Intelligent Technology Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-09-05
Anticipated expiration: 2033-05-17

Abstract

The utility model discloses a driving and decelerating mechanism convenient to maintain, which comprises a first shell, a first cavity, a second cavity, an oil duct, a worm wheel, a worm, a crankshaft, a connecting piece, a first connecting rod, a piston, a first one-way valve, a second shell, an oil inlet, an oil outlet, a transparent window, a retainer ring, a positioning column, a filter bag, a positioning hole, a top cover and a handle, wherein the first shell is provided with a first connecting rod; according to the utility model, the external filter bag is adopted to filter lubricating oil, so that oil impurities can be reduced, the cleanliness is improved, the service life is prolonged, the external filter bag can be conveniently replaced, lubricating oil is conveniently added, and the maintenance work is simpler and more convenient; the utility model utilizes the crankshaft coaxial with the worm to drive the piston, provides driving force for the circulating filtration of oil, and can realize the circulating utilization of the oil by matching with the external filter bag, thus the oil discharge operation is not needed, and meanwhile, the utility model abandons the design of a plug and reduces the hidden trouble of oil leakage.

Description

Driving reduction mechanism convenient to maintain

Technical Field

The utility model relates to the technical field of speed reducing mechanisms, in particular to a driving speed reducing mechanism convenient to maintain.

Background

The worm gear speed reducer is a common speed reducing mechanism, and mainly comprises a worm gear, a worm, a shaft, a bearing and a box body, wherein the principle is that the rotation number of a motor is reduced to a required rotation number by utilizing a gear, and a larger torque is obtained; the existing worm gear reducer has the following defects when in use: firstly, impurities are generated due to abrasion in the worm gear transmission process, so that the cleanliness of lubricating oil is reduced, and the lubricating effect is deteriorated; secondly, the existing speed reducer needs to be manually replaced with lubricating oil periodically, the specific replacement method is to unscrew the plug on the shell, drain the internal oil, then add new oil, and finally screw the plug, the process is complex and time-consuming to operate, maintenance is inconvenient, and the switch operation can cause adverse effects on the tightness of the plug, so that oil leakage is easy to cause.

Disclosure of Invention

The utility model aims to provide a driving reduction mechanism which is convenient to maintain, so as to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a drive reduction gears convenient to maintain, which comprises a first shell, first cavity has been seted up in the first casing, rotate in the first cavity and be connected with the worm wheel, worm wheel meshing is connected with the worm, the equal fixedly connected with bent axle in both ends of worm, and the bent axle rotates and connects on first casing, all cup joint the connecting piece on two bent axles, it has first connecting rod to articulate on the connecting piece, the other end of first connecting rod articulates there is the piston, the both sides of first cavity are provided with the second cavity, and piston sliding connection is in the second cavity, equal fixedly connected with second check valve in two second cavities, all seted up the oil duct in two second cavities, and the other end conduction connection of oil duct is in first cavity, equal fixedly connected with first check valve in two oil ducts, and the output and the oil duct conduction connection of one of them first check valve, one side of first casing is provided with the second casing, set up oil inlet and oil-out on the second casing, and one of them second check valve's input end conduction is fixed in the oil-out on the second casing, the output end conduction is fixed in the filter bag is installed in the filter bag's top in the second oil inlet, the filter bag is installed to the bottom of second check valve.

Preferably, a check ring is fixedly connected in the second shell, and the filter bag is sleeved in the check ring.

Preferably, the upper surface of the retainer ring is fixedly connected with a positioning column, and a positioning hole is formed in the position, corresponding to the positioning column, on the filter bag.

Preferably, the top end threaded connection of second casing has the top cap, and the upper surface fixedly connected with handle of top cap, the lower surface fixedly connected with second connecting rod of top cap, the other end fixedly connected with clamp plate of second connecting rod, and filter bag pass through clamp plate fixed connection on the retaining ring.

Preferably, a transparent window is formed in the outer wall of the second shell, and a plurality of through holes are formed in the upper surface of the pressing plate.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the external filter bag is adopted to filter lubricating oil, so that oil impurities can be reduced, the cleanliness is improved, the service life is prolonged, the external filter bag can be conveniently replaced, lubricating oil is conveniently added, and the maintenance work is simpler and more convenient; the utility model utilizes the crankshaft coaxial with the worm to drive the piston, provides driving force for the circulating filtration of oil, and can realize the circulating utilization of the oil by matching with the external filter bag, thus the oil discharge operation is not needed, and meanwhile, the utility model abandons the design of a plug and reduces the hidden trouble of oil leakage.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall front cut-away structure of the present utility model;

FIG. 2 is an enlarged view of the structure of area A in FIG. 1;

FIG. 3 is an enlarged view of the structure of region B in FIG. 1;

FIG. 4 is a schematic view of a three-dimensional cut-away structure of a platen according to the present utility model;

in the figure: 1. a first housing; 11. a first cavity; 12. a second cavity; 13. an oil passage; 14. a worm wheel; 15. a worm; 16. a crankshaft; 2. a connecting piece; 21. a first link; 22. a piston; 23. a first one-way valve; 24. a second one-way valve; 3. a second housing; 31. an oil inlet; 32. an oil outlet; 33. a transparent window; 34. a retainer ring; 35. positioning columns; 36. a filter bag; 37. positioning holes; 38. a pressing plate; 39. a through hole; 310. a second link; 311. a top cover; 312. a handle.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a drive reduction gears convenient to maintain, including first casing 1, first cavity 11 has been seted up in the first casing 1, worm wheel 14 rotation connection has worm 15 in the first cavity 11, worm 15's both ends all fixedly connected with bent axle 16, and bent axle 16 rotates to be connected on first casing 1, connecting piece 2 has all been cup jointed on two bent axles 16, articulated on connecting piece 2 has first connecting rod 21, the other end of first connecting rod 21 articulates has piston 22, the both sides of first cavity 11 are provided with second cavity 12, and piston 22 sliding connection is in second cavity 12, all fixedly connected with second check valve 24 in two second cavities 12, all offer oil duct 13 in two second cavities 12, and the other end of oil duct 13 switches on and connects in first cavity 11, all fixedly connected with first check valve 23 in two oil duct 13, and the output end and 13 of one of them first check valve 23 switch on and connect with oil duct 13, the other first check valve 23's input end and the first casing 3 switch on and connect with the oil duct 13 switch on the filter bag 32, the filter bag 3 is provided with the oil inlet port 31 on the second casing 3 and the second oil inlet port is fixed on the top of the second casing 32, the top end is fixed to be provided with the second oil inlet 32, the filter bag 32 is set up on the second inlet port is fixed to the top end of the second casing 32; a check ring 34 is fixedly connected in the second shell 3, and a filter bag 36 is sleeved in the check ring 34; the upper surface of the retainer ring 34 is fixedly connected with a positioning column 35, and a positioning hole 37 is formed in the position, corresponding to the positioning column 35, of the filter bag 36; the top end of the second shell 3 is connected with a top cover 311 through threads, the upper surface of the top cover 311 is fixedly connected with a handle 312, the lower surface of the top cover 311 is fixedly connected with a second connecting rod 310, the other end of the second connecting rod 310 is fixedly connected with a pressing plate 38, and the filter bag 36 is fixedly connected to a check ring 34 through the pressing plate 38; the outer wall of the second casing 3 is provided with a transparent window 33, and the upper surface of the pressing plate 38 is provided with a plurality of through holes 39.

Working principle: when the utility model is used for decelerating a driving motor, an output shaft of the motor is connected with one of crankshafts 16, after the motor is started, the crankshafts 16 and a worm 15 rotate along with the crankshaft, the crankshaft 16 drives a first connecting rod 21 through a connecting piece 2, the first connecting rod 21 drives a piston 22, the piston 22 reciprocates up and down along a second cavity 12, when the piston 22 moves upwards, a second one-way valve 24 connected with an oil inlet 31 is in a cut-off state, a first one-way valve 23 adjacent to the second one-way valve is in a conducting state, a second one-way valve 24 connected with an oil outlet 32 is in a conducting state, a first one-way valve 23 adjacent to the first one-way valve is in a cut-off state, at the moment, oil in the first cavity 11 enters a second cavity 12 connected with the oil inlet 31 through an oil duct 13, and filtered oil enters the second one-way valve 24 through an oil outlet 32 immediately into the other second cavity 12; when the piston 22 moves downwards, the second one-way valve 24 connected with the oil inlet 31 is in a conducting state, the first one-way valve 23 adjacent to the second one-way valve is in a blocking state, the second one-way valve 24 connected with the oil outlet 32 is in a blocking state, the first one-way valve 23 adjacent to the second one-way valve is in a conducting state, at the moment, oil in the second cavity 12 enters the oil inlet 31 through the second one-way valve 24, and oil in the other second cavity 12 enters the oil duct 13 through the first one-way valve 23; the oil entering the oil inlet 31 falls on the pressing plate 38, enters the filter bag 36 through the through hole 39 to filter impurities, when the filter bag 36 needs to be replaced, the handle 312 can be rotated to open the top cover 311, the old filter bag 36 is taken out, the new filter bag 36 is sleeved in the retainer ring 34, the positioning hole 37 on the new filter bag is sleeved on the positioning column 35, then the top cover 311 is covered again, when the oil is observed to be lower than the warning value through the transparent window 33, the top cover 311 can be directly opened, and the lubricating oil is added into the second shell 3, wherein the worm wheel 14 in the first shell 1 is used for being matched with the worm 15 to form a speed reducing mechanism, and the second connecting rod 310 is used for connecting the top cover 311 and the pressing plate 38.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a drive reduction gears convenient to maintain, includes first casing (1), its characterized in that: the utility model discloses a first shell (1) is internally provided with a first cavity (11), the first cavity (11) is rotationally connected with a worm wheel (14), the worm wheel (14) is in meshed connection with a worm (15), two ends of the worm (15) are fixedly connected with crankshafts (16), the crankshafts (16) are rotationally connected to the first shell (1), connecting pieces (2) are sleeved on the two crankshafts (16), a first connecting rod (21) is hinged to the connecting pieces (2), the other end of the first connecting rod (21) is hinged with a piston (22), two sides of the first cavity (11) are provided with second cavities (12), the piston (22) is in sliding connection with the second cavities (12), two second cavities (12) are internally provided with second one-way valves (24) which are fixedly connected with one another, two oil channels (13) are internally provided with first one-way valves (23) which are in turn-on connection with the first cavity (11), one-way valve (23) is in turn-on connection with the other one-way valve (13) which is connected with the first shell (3), an oil inlet (31) and an oil outlet (32) are formed in the second shell (3), the input end of one second one-way valve (24) is communicated and fixed on the oil outlet (32), the output end of the other second one-way valve (24) is communicated and fixed on the oil inlet (31), a filter bag (36) is mounted in the second shell (3), the oil inlet (31) is arranged at the top end of the filter bag (36), and the oil outlet (32) is arranged at the bottom end of the filter bag (36).

2. The maintenance-friendly drive reduction mechanism according to claim 1, wherein: the second shell (3) is internally and fixedly connected with a check ring (34), and the filter bag (36) is sleeved in the check ring (34).

3. A maintenance-friendly drive reduction mechanism as defined in claim 2, wherein: the upper surface of retaining ring (34) fixedly connected with reference column (35), locating hole (37) have been seted up to the position department of corresponding reference column (35) on the filter bag (36).

4. A maintenance-friendly drive reduction mechanism as defined in claim 2, wherein: top end threaded connection of second casing (3) has top cap (311), and the upper surface fixedly connected with handle (312) of top cap (311), the lower surface fixedly connected with second connecting rod (310) of top cap (311), the other end fixedly connected with clamp plate (38) of second connecting rod (310), and filter bag (36) pass through clamp plate (38) fixed connection on retaining ring (34).

5. The maintenance-friendly drive reduction mechanism according to claim 4, wherein: the outer wall of the second shell (3) is provided with a transparent window (33), and the upper surface of the pressing plate (38) is provided with a plurality of through holes (39).