CN215110437U - A sealing device for worm gear reducer - Google Patents

Abstract

The utility model discloses a sealing device for worm gear speed reducer relates to speed reducer technical field. The oil seal device is characterized by comprising a box body, a bearing, an input shaft, an output shaft, an oil seal, an input end cover, an output end cover, a gasket, an O-shaped ring and a corrugated sleeve, wherein two ends of the input shaft and the two ends of the output shaft are respectively installed in the box body through the bearing, and the oil seal is arranged between the bearing and the input shaft as well as between the bearing and the output shaft. This a sealing device for worm gear speed reducer, ripple cover wraps up in the income power axle that stretches out and goes out the power epaxially, in abominable operational environment, can avoid going into power axle and play power axle to adhere to dust or impurity, avoided dust and impurity can get into oil blanket department along with lubricating grease, and it itself has scalability, can adjust according to the position between equipment, and the junction at input end cover and output end cover has set up double seal structure respectively, improve holistic leakproofness, guarantee the normal operating of speed reducer.

Description

Sealing device for worm gear speed reducer

Technical Field

The utility model relates to a speed reducer technical field specifically is a sealing device for worm gear speed reducer.

Background

The worm gear speed reducer is a power transmission mechanism, and utilizes the speed converter of gear to reduce the revolution number of motor to required revolution number and obtain the mechanism with larger torque, and in the mechanism for transmitting power and motion, the application range of the speed reducer is quite extensive, and its trail can be seen in the transmission system of various machines, and the application of the speed reducer can be seen from the transmission work of large power, to small load and accurate angle transmission of large power, and in industrial application, the speed reducer has the functions of reducing speed and increasing torque, so that it can be extensively used in the conversion equipment of speed and torque.

The quality and the life of guaranteeing the speed reducer are very necessary, dustproof grease proofing is one of them, and current ordinary seal structure mainly adopts a labyrinth dish and an oil blanket structure, and this kind of structure is because lubricating grease is full of whole clearance, works as the speed reducer operation under the big, the many adverse circumstances of impurity of dust, and dust and impurity can cause the life-span of oil blanket to shorten along with lubricating grease entering oil blanket department, under long-time operation, lead to lubricated badly, and bearing and gear wear seriously influence the normal operating of speed reducer.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sealing device for worm gear speed reducer possesses that the leakproofness is strong, dependable performance, the advantage of having prolonged life to solve the problem that exists among the above-mentioned background art.

For the purpose that realizes that the leakproofness is strong, dependable performance, prolonged life, the utility model provides a following technical scheme: the utility model provides a sealing device for worm gear speed reducer machine, includes box, bearing, input shaft, output shaft, oil blanket, input end cover, output end cover, gasket, O type circle and ripple cover, the both ends of input shaft and output shaft are installed in the box through the bearing respectively, the oil blanket is between bearing and input shaft, output shaft, input end cover and output end cover install in the both sides in shaft hole through the bolt respectively, gasket and O type circle are in proper order between input end cover, output end cover and shaft hole, the ripple cover passes through the screw mounting on input end cover and output end cover to be located the axle head department of input shaft and output shaft.

As an optimal technical scheme of the utility model, the top of box is equipped with the opening, and installs the breather in the opening.

As an optimized technical scheme of the utility model, the bottom of box is equipped with the oil drain port, and installs the oil drain plug screw in the oil drain port.

As an optimal technical scheme of the utility model, both ends are equipped with radial shaft hole about the box, the axle of exerting oneself is located radial shaft hole.

As an optimal technical scheme of the utility model, both ends are equipped with vertical shaft hole around the box, the output shaft is arranged in vertical shaft hole.

As an optimal technical scheme of the utility model, O type circle is arranged in the inner ring of gasket, and O type circle is buried underground in input end cover and output end cover.

Compared with the prior art, the utility model provides a sealing device for worm gear speed reducer possesses following beneficial effect:

this a sealing device for worm gear speed reducer, ripple cover wraps up in the income power axle that stretches out and goes out the power epaxially, in abominable operational environment, can avoid going into power axle and play power axle to adhere to dust or impurity, avoided dust and impurity can get into oil blanket department along with lubricating grease, and it itself has scalability, can adjust according to the position between equipment, and the junction at input end cover and output end cover has set up double seal structure respectively, improve holistic leakproofness, guarantee the normal operating of speed reducer.

Drawings

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

fig. 2 is a side view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a cross-sectional view of the present invention;

FIG. 5 is a sectional view of the case of the present invention;

fig. 6 is an enlarged view of the part a of the present invention.

In the figure: 1. a box body; 2. a bearing; 3. an input shaft; 4. a force output shaft; 5. oil sealing; 6. an input end cap; 7. an output end cover; 8. a gasket; 9. an O-shaped ring; 10. a corrugated sleeve; 11. a port; 12. an aerator; 13. an oil discharge port; 14. an oil drain plug screw; 15. a radial shaft hole; 16. a longitudinal shaft hole.

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.

Referring to fig. 1-6, the utility model discloses a sealing device for worm gear reducer, which comprises a box body 1, a bearing 2, an input shaft 3, an output shaft 4, an oil seal 5, an input end cover 6, an output end cover 7, a gasket 8, an O-ring 9 and a corrugated sleeve 10, wherein two ends of the input shaft 3 and the output shaft 4 are respectively installed in the box body 1 through the bearing 2, the oil seal 5 is arranged between the bearing 2 and the input shaft 3 and the output shaft 4, the input end cover 6 and the output end cover 7 are respectively installed on two sides of a shaft hole through bolts, the gasket 8 and the O-ring 9 are sequentially arranged between the input end cover 6, the output end cover 7 and the shaft hole, the corrugated sleeve 10 is installed on the input end cover 6 and the output end cover 7 through bolts and is located at the shaft ends of the input shaft 3 and the output shaft 4, the corrugated sleeve 10 is arranged on the input shaft 3 and the output shaft 4 which are extended out, in abominable operational environment, can avoid going into power axle 3 and 4 adhesions of output shaft to go up dust or impurity, avoided dust and impurity can get into oil blanket 5 departments along with lubricating grease, and its itself has scalability, can adjust according to the position between equipment, and set up double seal structure respectively at the junction of input end cover 6 and output end cover 7, improve holistic leakproofness, guarantee the normal operating of speed reducer.

Specifically, the top of the box body 1 is provided with a through hole 11, and an aerator 12 is arranged in the through hole 11.

In this embodiment, the breather 12 is used to discharge the excess gas in the case 1, and the breather 12 is installed in the case 1 so that the air expansion pressure is increased due to the temperature rise in the case when the speed reducer is operated, and the air expanded by heat in the case can be automatically discharged to keep the pressure in the case balanced and prevent the lubricating oil from leaking along the split surface.

Specifically, an oil drain port 13 is arranged at the bottom end of the box body 1, and an oil drain plug 14 is installed in the oil drain port 13.

In this embodiment, the oil drain plug 14 is mainly used for draining dirty oil and cleaning oil during the replacement of lubricating oil, and is blocked by the oil drain plug 14 before oil injection.

Specifically, radial shaft holes 15 are formed in the left end and the right end of the box body 1, and the input shaft 3 is located in the radial shaft holes 15.

In this embodiment, the input shaft 3 is installed in the box body 1 through the radial shaft hole 15, and the input shaft 3 is a worm.

Specifically, the front end and the rear end of the box body 1 are provided with longitudinal shaft holes 16, and the output shaft 4 is positioned in the longitudinal shaft holes 16.

In the present embodiment, the output shaft 4 is installed in the box 1 through the longitudinal shaft hole 16, and the output shaft 4 is a turbine.

Specifically, the O-rings 9 are located in the inner ring of the gasket 8, and the O-rings 9 are embedded in the input end cover 6 and the output end cover 7.

In this embodiment, the double sealing structures, i.e., the gasket 8 and the O-ring 9, are respectively disposed at the joint of the input end cover 6 and the output end cover 7, so that the overall sealing performance can be improved.

The utility model discloses a theory of operation and use flow: when using, ripple cover 10 parcel is on the income power axle 3 and the output shaft 4 that stretch out, in abominable operational environment, can avoid income power axle 3 and output shaft 4 to adhere to dust or impurity, avoided dust and impurity can get into oil blanket 5 departments along with lubricating grease, and its itself has scalability, can adjust according to the position between equipment, and the junction at input end cover 6 and output end cover 7 has set up double seal structure respectively, improve holistic leakproofness.

To sum up, this a sealing device for worm gear speed reducer, ripple cover 10 wraps up in on the income power axle 3 and the output shaft 4 that stretch out, in abominable operational environment, can avoid income power axle 3 and output shaft 4 to adhere to dust or impurity, avoided dust and impurity can get into oil blanket 5 department along with lubricating grease, and its own has scalability, can adjust according to the position between equipment, and set up double seal structure respectively in the junction of input end cover 6 and output end cover 7, improve holistic leakproofness, guarantee the normal operating of speed reducer.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 (6)

1. A sealing device for a worm gear reducer, comprising a box body (1), a bearing (2), an input shaft (3), an output shaft (4), an oil seal (5), an input end cover (6), The output end cover (7), the gasket (8), the O-ring (9) and the corrugated sleeve (10) are characterized in that: the two ends of the input shaft (3) and the output shaft (4) pass through bearings ( 2) Installed in the box (1), the oil seal (5) is between the bearing (2), the input shaft (3), the output shaft (4), the input end cover (6) and the output end cover (7) are respectively installed on both sides of the shaft hole through bolts, the gasket (8) and the O-ring (9) are sequentially interposed between the input end cover (6), the output end cover (7) and the shaft hole, The corrugated sleeve (10) is mounted on the input end cover (6) and the output end cover (7) by screws, and is located at the shaft ends of the input shaft (3) and the output shaft (4). 2. A sealing device for a worm gear reducer according to claim 1, characterized in that: the top of the box (1) is provided with a through port (11), and the through port (11) is installed in the There is a breather (12). 3. A sealing device for a worm gear reducer according to claim 1, wherein the bottom end of the box body (1) is provided with an oil discharge port (13), and the oil discharge port (13) ) is installed with the oil drain plug (14). 4. A sealing device for a worm gear reducer according to claim 1, wherein the left and right ends of the box body (1) are provided with radial shaft holes (15), and the input shaft is provided with radial shaft holes (15). (3) is located in the radial shaft hole (15). 5. A sealing device for a worm gear reducer according to claim 1, wherein the front and rear ends of the box body (1) are provided with longitudinal shaft holes (16), and the output shaft ( 4) in the longitudinal shaft hole (16). 6. A sealing device for a worm gear reducer according to claim 1, wherein the O-ring (9) is located in the inner ring of the gasket (8), and the O-ring (9) ) are embedded in the input end cover (6) and the output end cover (7).

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