CN212744962U

CN212744962U - Gear reducer with dustproof function

Info

Publication number: CN212744962U
Application number: CN202021403655.0U
Authority: CN
Inventors: 吕杰
Original assignee: Taifu Transmission Technology Shanghai Co ltd
Current assignee: Taifu Transmission Technology Shanghai Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-03-19
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a gear reducer with dustproof function, which comprises a reducer main body and a shell, wherein dustproof mechanisms are fixedly arranged inside two side walls of the shell; dustproof mechanism includes the sleeve, speed reducer main part outside cover is equipped with first scraper blade and second scraper blade, the fixed oil absorption cotton section of thick bamboo that is equipped with between first scraper blade and the second scraper blade, the annular cavity has all been seted up to casing both sides inside wall, the inside a plurality of springs that are equipped with of annular cavity, the inside a plurality of arcs that are equipped with of annular cavity. The utility model discloses an in the restriction state and when needing to maintain the condition under, the user stimulates the handle, then the handle passes through the motion of second scraper blade and a plurality of connecting rod drive first scraper blade, then the second scraper blade is scraped the oil film in the speed reducer main part outside with first scraper blade mutually supporting down, can clear up under the condition that need not dismantle, has improved work efficiency, has reduced user's intensity of labour.

Description

Gear reducer with dustproof function

Technical Field

The utility model relates to a gear reducer technical field specifically is a gear reducer with dustproof function.

Background

The gear reducer is an external-meshing involute helical-tooth cylindrical gear reducer produced according to national professional standard ZBJ19004, is a slewing mechanism widely applied to east China and used for tower-introduced crane machinery, and is widely applied to the fields of metallurgy, mines, hoisting, transportation, cement, construction, chemical engineering, textile, printing and dyeing, pharmacy and the like.

The existing feeding equipment in the building field has the defects that:

1. although the existing gear reducer with the dustproof function achieves the dustproof effect, the dustproof structure can be cleaned only by disassembling the dustproof mechanism in the subsequent maintenance process, and the working efficiency of a user is reduced in the process;

2. the dustproof mechanism is fixed by the structure such as a multipurpose bolt of the existing gear reducer with the dustproof function, so that a user is required to perform multi-step operation during maintenance and disassembly, the labor intensity of the user is improved, and therefore the gear reducer with the dustproof function is provided to solve the existing problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gear reducer with dustproof function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a gear speed reducer with a dustproof function comprises a speed reducer main body and a shell, wherein the speed reducer main body is fixedly arranged in the shell, and dustproof mechanisms are fixedly arranged in the two side walls of the shell;

the dustproof mechanism comprises a sleeve, the sleeve is sleeved outside the speed reducer main body and movably connected with the speed reducer main body through a sealing bearing, the sleeve is fixedly connected with the inner wall of the shell, a first scraper and a second scraper are sleeved outside the speed reducer main body, the first scraper and the second scraper are both contacted with the outer wall of the speed reducer main body, an oil absorption cotton cylinder is fixedly arranged between the first scraper and the second scraper, the oil absorption cotton cylinder is sleeved outside the speed reducer main body and is contacted with the speed reducer main body, annular cavities are respectively arranged inside two side walls of the shell, the annular cavities are arranged outside the sleeve, a plurality of springs are arranged inside the annular cavities, one ends of the plurality of springs are fixedly connected with the inner wall of the shell, a plurality of arc-shaped plates are arranged inside the annular cavities, and the outer ends of the plurality of arc-shaped plates are fixedly connected, a plurality of linear cavities are formed in the shell, the linear cavities are arranged between the annular cavity and the sleeve, and two ends of each linear cavity are communicated with the annular cavity and the sleeve respectively.

Preferably, a plurality of connecting rods are fixedly arranged between the first scraper and the second scraper, and the connecting rods are arranged between the outer wall of the oil absorption cotton cylinder and the inner wall of the sleeve.

Preferably, the top and the bottom of the inner cavity of the sleeve are provided with sliding grooves, sliding blocks are arranged inside the sliding grooves, the sliding blocks and the sliding grooves form a sliding structure, and the sliding blocks are fixedly connected with the first scraper.

Preferably, two handles are fixedly arranged on the outer side of the second scraper plate, and the two handles are respectively arranged at the top and the bottom of the speed reducer main body.

Preferably, an oil filling port is formed in the shell, the oil filling port is formed in the top of the sleeve, the oil filling port is communicated with the annular cavity, a plug is arranged in the oil filling port, and the plug is connected with the oil filling port in an inserting mode.

Preferably, the first scraper blade and the second scraper blade are both arranged inside the sleeve, and the second scraper blade is arranged at the outer end of the first scraper blade.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an in the restriction state and when needing to maintain the condition under, the user stimulates the handle, then the handle passes through the motion of second scraper blade and a plurality of connecting rod drive first scraper blade, then the second scraper blade is scraped the oil film in the speed reducer main part outside with first scraper blade mutually supporting down, can clear up under the condition that need not dismantle, has improved work efficiency.

2. The utility model discloses a carry on spacingly and the direction to first scraper blade through spout and slider, avoided using bolt isotructure to fix, the user only needs the pulling handle to make first scraper blade and second scraper blade motion can clean the speed reducer main part, has reduced user's intensity of labour.

Drawings

Fig. 1 is a schematic view of a partial structure of the present invention;

fig. 2 is a right sectional view of the present invention;

fig. 3 is an enlarged view of a portion of a structure in fig. 1 according to the present invention;

fig. 4 is a perspective view of the first scraper, the second scraper, the connecting rod and the oil absorbing cotton cylinder of the present invention.

In the figure: 1. a reducer body; 2. a housing; 3. a sleeve; 4. a first squeegee; 5. a second squeegee; 6. an oil absorbent cotton cylinder; 7. an annular cavity; 8. a spring; 9. an arc-shaped plate; 10. a linear cavity; 11. a connecting rod; 12. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a gear speed reducer with a dustproof function comprises a speed reducer main body 1 and a shell 2, wherein the speed reducer main body 1 is fixedly arranged inside the shell 2, and dustproof mechanisms are fixedly arranged inside two side walls of the shell 2;

the dustproof mechanism comprises a sleeve 3, the sleeve 3 is sleeved on the outer side of a speed reducer main body 1 and is movably connected with the speed reducer main body 1 through a sealing bearing, the sleeve 3 is fixedly connected with the inner wall of a shell 2, a first scraper plate 4 and a second scraper plate 5 are sleeved on the outer side of the speed reducer main body 1, the first scraper plate 4 and the second scraper plate 5 are both contacted with the outer wall of the speed reducer main body 1, an oil absorption cotton cylinder 6 is fixedly arranged between the first scraper plate 4 and the second scraper plate 5, the oil absorption cotton cylinder 6 is sleeved on the outer side of the speed reducer main body 1 and is contacted with the speed reducer main body 1, annular cavities 7 are respectively arranged inside two side walls of the shell 2, the annular cavities 7 are arranged on the outer side of the sleeve 3, a plurality of springs 8 are arranged inside the annular cavities 7, one ends of the plurality of springs 8 are all fixedly connected with, it is a plurality of 9 outer ends of arc and a plurality of 8 other end fixed connection of spring, 2 inside a plurality of line type cavitys 10 of having seted up of casing, it is a plurality of line type cavity 10 all establishes between annular cavity 7 and sleeve 3, line type cavity 10 both ends are linked together with annular cavity 7 and sleeve 3 respectively.

Further, a plurality of connecting rods 11 are fixedly arranged between the first scraper 4 and the second scraper 5, the connecting rods 11 are all arranged between the outer wall of the oil absorption cotton cylinder 6 and the inner wall of the sleeve 3, the first scraper 4 is connected with the second scraper 5 through the connecting rods 11, and firmness between the first scraper 4 and the second scraper 5 can be improved.

Further, 3 inner chamber tops of sleeve and bottom have all been seted up spout 12, the inside slider that is equipped with of spout 12, the slider constitutes sliding structure with spout 12, slider and first scraper blade 4 fixed connection can carry out spacingly and direction to first scraper blade 4 through the cooperation of spout 12 with the slider to this has avoided first scraper blade 4 and second scraper blade 5 the possibility that drops to appear.

Further, two handles are fixedly arranged on the outer side of the second scraper plate 5 and are respectively arranged at the top and the bottom of the speed reducer main body 1, and the second scraper plate 5 can be conveniently grabbed by arranging the two handles when a user maintains an appliance.

Further, 2 inside oil filler points of having seted up of casing, the oil filler point is established at 3 tops of sleeve, oil filler point is linked together with annular cavity 7, the inside plug that pulls out that is equipped with of oil filler point, pull out plug and oil filler point plug-in connection, through oil filler point person of facilitating the use to the interior oiling of annular cavity 7, set up simultaneously and pull out the plug, can seal oil filler point under the idle condition of oil filler point, prevent from this that the dust from getting into in annular cavity 7.

Further, first scraper blade 4 and second scraper blade 5 are all established inside sleeve 3, second scraper blade 5 is established in first scraper blade 4 outer end.

The working principle is as follows: in the initial state, the sleeve 3, the first scraper 4, the oil absorption cotton cylinder 6 and the second scraper 5 are all sleeved outside the speed reducer main body 1, then the annular cavity 7 contains lubricating oil, and the plurality of springs 8 press the arc-shaped plate 9 to extrude the lubricating oil, when the utility model is put into practical use, firstly the speed reducer main body 1 works, then friction occurs between the speed reducer main body 1 and the oil absorption cotton cylinder 6, meanwhile, the first scraper 4 is influenced by the chute 12 and the slider, then the first scraper 4 can not rotate, at the moment, the plurality of springs 8 are matched to extrude the arc-shaped plate 9, then the lubricating oil enters the chute 12 through the linear cavity 10 and drops on the oil absorption cotton cylinder 6 from the chute 12, then the oil absorption cotton cylinder 6 absorbs the lubricating oil, then an oil film is generated between the oil absorption cotton cylinder 6 and the speed reducer main body 1 by rotation, at the moment, the oil film seals the speed reducer main body 1 and the shell 2, the event can prevent the entering of dust, and during subsequent maintenance, the user outwards stimulates second scraper blade 5 through the handle, and then second scraper blade 5 drives first scraper blade 4 through a plurality of connecting rods 11 and moves, and first scraper blade 4 and second scraper blade 5 scrape the oil film that produces to this clears up speed reducer main part 1, can clear up under the condition that need not dismantle, has improved work efficiency, has alleviateed user's intensity of labour.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a gear reducer with dustproof function, includes speed reducer main part (1) and casing (2), inside its characterized in that was established at casing (2) to speed reducer main part (1) is fixed: a dustproof mechanism is fixedly arranged inside two side walls of the shell (2);

the dustproof mechanism comprises a sleeve (3), the sleeve (3) is sleeved on the outer side of a speed reducer main body (1) and is movably connected with the speed reducer main body (1) through a sealing bearing, the sleeve (3) is fixedly connected with the inner wall of a shell (2), a first scraper (4) and a second scraper (5) are sleeved on the outer side of the speed reducer main body (1), the first scraper (4) and the second scraper (5) are both contacted with the outer wall of the speed reducer main body (1), an oil absorption cotton cylinder (6) is fixedly arranged between the first scraper (4) and the second scraper (5), the oil absorption cotton cylinder (6) is sleeved on the outer side of the speed reducer main body (1) and is contacted with the speed reducer main body (1), annular cavities (7) are respectively arranged inside two side walls of the shell (2), the annular cavities (7) are arranged outside the sleeve (3), a plurality of springs (8) are arranged inside the annular cavities (7), it is a plurality of spring (8) one end all with casing (2) inner wall fixed connection, annular cavity (7) inside is equipped with a plurality of arcs (9), and is a plurality of arc (9) outer end and a plurality of spring (8) other end fixed connection, a plurality of line type cavitys (10) have been seted up to casing (2) inside, and are a plurality of line type cavity (10) are all established between annular cavity (7) and sleeve (3), line type cavity (10) both ends are linked together with annular cavity (7) and sleeve (3) respectively.

2. The gear reducer with the dustproof function according to claim 1, wherein: a plurality of connecting rods (11) are fixedly arranged between the first scraper (4) and the second scraper (5), and the connecting rods (11) are arranged between the outer wall of the oil absorption cotton cylinder (6) and the inner wall of the sleeve (3).

3. The gear reducer with the dustproof function according to claim 1, wherein: sliding grooves (12) are formed in the top and the bottom of an inner cavity of the sleeve (3), sliding blocks are arranged inside the sliding grooves (12), the sliding blocks and the sliding grooves (12) form a sliding structure, and the sliding blocks are fixedly connected with the first scraping plate (4).

4. The gear reducer with the dustproof function according to claim 1, wherein: two handles are fixedly arranged on the outer side of the second scraper (5), and are respectively arranged at the top and the bottom of the speed reducer main body (1).

5. The gear reducer with the dustproof function according to claim 1, wherein: an oil filling port is formed in the shell (2), the oil filling port is formed in the top of the sleeve (3), the oil filling port is communicated with the annular cavity (7), a plug is arranged in the oil filling port, and the plug is connected with the oil filling port in an inserting mode.

6. The gear reducer with the dustproof function according to claim 1, wherein: first scraper blade (4) and second scraper blade (5) are all established inside sleeve (3), second scraper blade (5) are established in first scraper blade (4) outer end.