CN211371238U

CN211371238U - Sealing device for output shaft of speed reducer

Info

Publication number: CN211371238U
Application number: CN201922198062.9U
Authority: CN
Inventors: 黄学猛; 余晶; 夏建柳
Original assignee: Huanggang Shengjia Hi Tech Mechanical And Electrical Equipment Co ltd
Current assignee: Huanggang Shengjia Hi Tech Mechanical And Electrical Equipment Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-08-28
Anticipated expiration: 2029-12-10

Abstract

The utility model relates to a reduction gear technical field just discloses a reduction gear goes out shaft sealing device, including the equipment body, the equal fixed mounting in upper and lower both ends on equipment body right side has the backing plate. This reduction gear goes out axle sealing device, through be equipped with the sealing washer between coupling bearing and collar, can effectively avoid dust and water inside from the infiltration equipment between coupling bearing and the collar, through be equipped with sealed pad and inserted bar between coupling bearing and link plate, can strengthen the stability and the leakproofness of being connected between axis of rotation and the coupling bearing, rotate two upper and lower rotation loop bars, move to the left side through promoting the pressure strip, compress tightly sealing washer and sealed pad, make its sealed inseparabler, through being equipped with slip ring and spacing ring, make equipment more stable at the in-process of adjusting the compress tightly, the equipment sealing performance has been improved, can effectively avoid equipment because of long-term use, make the problem that its sealed effect reduces, make equipment reach sealed effectual advantage.

Description

Sealing device for output shaft of speed reducer

Technical Field

The utility model relates to a reduction gear technical field specifically is a reduction gear goes out axle sealing device.

Background

The speed reducer plays a role in matching rotating speed and transmitting torque between a prime motor and a working machine or an actuating mechanism, is widely applied to modern machinery, can be divided into a general speed reducer and a special speed reducer according to purposes, and has different design, manufacturing and use characteristics.

The sealing effect of the output shaft of the speed reducer used in the current market is poor, and in the process of long-term use of the speed reducer, water and dust are easy to permeate into the speed reducer structure, so that the normal work of the speed reducer is influenced, equipment is easy to corrode and damage due to long-term use, the whole practicability of the device is poor, the requirements of people for use cannot be better met, and the problem that the speed reducer output shaft sealing device is provided to solve is solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a reduction gear goes out axle sealing device, possess sealed effectual advantage such as, it is relatively poor to have solved its play axle seal effect of reduction gear that uses on the existing market, at the long-term in-process that uses of reduction gear, permeate water and dust very easily inside to the reduction gear structure to influence its normal work, with this for a long time, lead to equipment corrosion damage easily, make the whole practicality of device relatively poor, the problem that the demand that satisfies people used that can not be better.

(II) technical scheme

For realizing the above-mentioned sealed effectual purpose, the utility model provides a following technical scheme: a sealing device for an output shaft of a speed reducer comprises an equipment body, wherein the upper end and the lower end of the right side of the equipment body are both fixedly provided with a backing plate, the right side of the backing plate is fixedly provided with a mounting ring, the upper end and the lower end of the right side of the mounting ring are both fixedly provided with fixing bolts, the upper end and the lower end of the right side of the mounting ring are both fixedly provided with a screw rod between the two fixing bolts, the outer side of the screw rod is movably provided with a rotating sleeve rod, the right side of the screw rod is fixedly provided with a limiting block, a compression spring is fixedly connected between the rotating sleeve rod and the limiting block, the outer side of the screw rod is movably provided with a movable sleeve rod positioned at the left side of the rotating sleeve rod, a compression plate is fixedly connected between the two movable sleeve rods, an inner cavity of, the right side fixed mounting of sealing washer has the connecting plate, the equal fixed mounting in both ends about the connecting plate is one end and the inserted bar of being connected bearing swing joint, the left side movable mounting of inserted bar has one end and the sealed pad of being connected bearing swing joint, the equal fixed mounting in both ends about the connecting plate right side has the spacing ring, the equal fixed mounting in both ends about the left of pressure strip has one end and spacing ring swing joint's sliding block, the equal fixed mounting in both ends about the sliding block is the fixture block of two, the right side movable mounting of equipment body has one end and pressure strip swing joint's axis of rotation.

Preferably, the bayonet is opened on the right side of the equipment body, and the bayonet is matched with the mounting ring, and the mounting ring is T-shaped.

Preferably, the right side of the rotating sleeve rod is provided with a threaded hole, the threaded hole is matched with the screw rod, and the number of the clamping blocks is four.

Preferably, the upper end and the lower end on the right side of the connecting bearing are both provided with a clamping groove, the clamping grooves are matched with the sealing gaskets, and the screw rod and the mounting ring are vertically mounted at ninety degrees.

Preferably, the spout has been seted up on the right side of spacing ring, and spout and sliding block looks adaptation, two the screw rod is the symmetric distribution with the perpendicular bisector of collar.

Preferably, the right side of the movable sleeve rod is provided with a through hole, the through hole is matched with the screw rod, and the rotating shaft and the pressing plate are vertically installed at ninety degrees.

(III) advantageous effects

Compared with the prior art, the utility model provides a reduction gear goes out axle sealing device possesses following beneficial effect:

the sealing device for the output shaft of the speed reducer can effectively prevent dust and water from permeating into the interior of equipment between the connecting bearing and the mounting ring by arranging the sealing ring between the connecting bearing and the mounting ring, can enhance the stability and the sealing property of the connection between the rotating shaft and the connecting bearing by arranging the sealing gasket and the inserted rod between the connecting bearing and the connecting plate, when the equipment is used for a long time and the sealing property of the equipment is loosened, rotates an upper rotating sleeve rod and a lower rotating sleeve rod, enables the two rotating sleeve rods to move left and right under the thrust of screw threads by arranging the threaded holes matched with screw rods in the rotating sleeve rods, enables the connecting plate to move left by pushing the compression plate to compress the sealing ring and the sealing gasket tightly, enables the sealing of the sealing ring and the sealing gasket to be more tight, enables the equipment to be more stable in the process of adjusting and compressing by arranging the sliding ring and the limiting ring, and improves, can effectively avoid equipment because of long-term use, make the problem that its sealed effect reduces, make equipment reach sealed effectual advantage to improve the practicality of device, more satisfied the demand that people used.

Drawings

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

fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the device comprises a device body 1, a backing plate 2, a mounting ring 3, a sealing ring 4, a connecting bearing 5, a fixing bolt 6, a movable sleeve rod 7, a rotating sleeve rod 8, a limiting block 9, a pressing plate 10, a rotating shaft 11, a screw rod 12, a compression spring 13, a connecting plate 14, a sliding ring 15, a clamping block 16, a limiting ring 17, a sealing gasket 18 and an inserting rod 19.

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. 1-2, a sealing device for an output shaft of a speed reducer comprises an apparatus body 1, wherein a bayonet is arranged on the right side of the apparatus body 1, the bayonet is matched with a mounting ring 3, the mounting ring 3 is T-shaped, backing plates 2 are fixedly arranged at the upper end and the lower end of the right side of the apparatus body 1, the mounting ring 3 is fixedly arranged on the right side of the backing plate 2, fixing bolts 6 are fixedly arranged at the upper end and the lower end of the right side of the mounting ring 3, screws 12 are fixedly arranged at the upper end and the lower end of the right side of the mounting ring 3 and between the two fixing bolts 6, a through hole is arranged on the right side of a movable loop bar 7 and matched with the screws 12, a rotating shaft 11 is vertically arranged at ninety degrees with a pressure plate 10, a rotating loop bar 8 is movably arranged on the outer side of the screws 12, a threaded hole is arranged on, a limit block 9 is fixedly arranged on the right side of a screw 12, a compression spring 13 is fixedly connected between a rotating loop bar 8 and the limit block 9, the compression spring 13 is arranged on the right side of the rotating loop bar 8, the rotating loop bar 8 is pushed to the left by the compression spring 13 in a compressed state, so that the whole structure of the equipment is connected more tightly, the practicability of the device is improved, a movable loop bar 7 is movably arranged on the outer side of the screw 12 and on the left side of the rotating loop bar 8, a pressure plate 10 is fixedly connected between the two movable loop bars 7, a connecting bearing 5 is movably arranged in the inner cavity of a mounting ring 3, the upper end and the lower end of the right side of the connecting bearing 5 are both provided with a clamping groove, the clamping grooves are matched with a sealing gasket 18, the screw 12 and the mounting ring 3 are vertically arranged at ninety degrees, a sealing ring 4 with one end movably connected with the mounting ring 3 is movably, the sealing device has excellent corrosion resistance, tear resistance and compression deformation resistance, better ozone resistance, sunlight resistance and weather resistance, better abrasion resistance, can effectively enhance the sealing performance and practicability of the device by using HNBR (hydrogenated nitrile rubber) sealing rings, can effectively prevent dust and water from permeating into the device from the connecting bearing 5 and the mounting ring 3 by arranging the sealing rings 4 between the connecting bearing 5 and the mounting ring 3, can enhance the stability and the sealing performance of the connection between the rotating shaft 11 and the connecting bearing 5 by arranging the sealing gaskets 18 and the inserting rods 19 between the connecting bearing 5 and the connecting plate 14, can rotate the upper rotating sleeve rod 8 and the lower rotating sleeve rod 8 when the sealing performance of the device is loosened after long-term use, and can enable the two rotating sleeve rods 8 to move left and right under the thrust of the threads by the thread through arranging the threaded holes matched with the threaded rods 12 in the rotating sleeve rods 8, the sealing ring 4 and the sealing gasket 18 are pressed tightly by pushing the pressing plate 10 to move to the left side, the equipment is more stable in the process of adjusting and pressing by arranging the sliding ring 15 and the limiting ring 17, the sealing performance of the equipment is improved, the problem that the sealing effect of the equipment is reduced due to long-term use can be effectively solved, and the equipment has the advantage of good sealing effect, so that the practicability of the device is improved, and the use requirements of people are met, the connecting plate 14 is fixedly arranged at the right side of the sealing ring 4, the upper end and the lower end of the left side of the connecting plate 14 are fixedly provided with the inserting rod 19, one end of the inserting rod is movably connected with the connecting bearing 5, the sealing gasket 18, one end of which is movably connected with the connecting bearing 5, is movably arranged at the left side of the inserting rod 19, the limiting ring 17 is fixedly arranged at the upper end and the lower end of, and spout and sliding block 15 looks adaptation, two screw rods 12 are the symmetric distribution with the perpendicular bisector of collar 3, and the left upper and lower both ends of pressure strip 10 all fixed mounting have one end and spacing ring 17 swing joint's sliding block 15, and the upper and lower both ends of sliding block 15 all fixed mounting have the fixture block 16 that quantity is two, and the right side movable mounting of equipment body 1 has one end and pressure strip 10 swing joint's axis of rotation 11.

When the sealing device is used, the pressing plate 10 is pushed leftwards by rotating the two rotating sleeve rods 8, so that the sealing ring 4 and the sealing gasket 18 are clamped more tightly, the sealing performance is enhanced, the equipment has the advantage of good sealing effect, the practicability of the sealing device is improved, and the use requirements of people are met.

In conclusion, in the sealing device for the output shaft of the speed reducer, the sealing ring 4 is arranged between the connecting bearing 5 and the mounting ring 3, so that dust and water can be effectively prevented from permeating into the interior of the equipment from the space between the connecting bearing 5 and the mounting ring 3, the sealing gasket 18 and the inserted rod 19 are arranged between the connecting bearing 5 and the connecting plate 14, so that the stability and the sealing performance of the connection between the rotating shaft 11 and the connecting bearing 5 can be enhanced, when the sealing performance of the equipment is loosened after long-term use, the upper rotating sleeve rod 8 and the lower rotating sleeve rod 8 are rotated, the two rotating sleeve rods 8 are driven to move left and right by the thread thrust of the threaded holes matched with the threaded rods 12, the connecting plate 14 is driven to move left by pushing the pressing plate 10, so that the sealing ring 4 and the sealing gasket 18 are pressed tightly, and the sliding ring 15 and the limiting ring 17 are arranged, make equipment more stable in-process that the regulation compressed tightly, the equipment sealing performance has been improved, can effectively avoid equipment because of long-term use, make the problem that its sealed effect reduces, make equipment reach sealed effectual advantage, thereby the practicality of device has been improved, more satisfy the demand that people used, it is relatively poor to have solved the sealed effect of its play axle of reduction gear that uses on the existing market, at the long-term in-process of using of reduction gear, it is inside to permeate water and dust to the reduction gear structure very easily, thereby influence its normal work, use this for a long time, lead to equipment corrosion damage easily, make the whole practicality of device relatively poor, the problem that the demand that people used can not better be satisfied.

It is to be noted that the terms "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

1. The utility model provides a reduction gear goes out axle sealing device, includes equipment body (1), its characterized in that: the device comprises a device body (1), wherein a base plate (2) is fixedly mounted at the upper end and the lower end of the right side of the device body (1), a mounting ring (3) is fixedly mounted at the right side of the base plate (2), fixing bolts (6) are fixedly mounted at the upper end and the lower end of the right side of the mounting ring (3), screw rods (12) are fixedly mounted at the upper end and the lower end of the right side of the mounting ring (3) and between the two fixing bolts (6), a rotating sleeve rod (8) is movably mounted at the outer side of each screw rod (12), a limiting block (9) is fixedly mounted at the right side of each screw rod (12), compression springs (13) are fixedly connected between the rotating sleeve rod (8) and the limiting block (9), a movable sleeve rod (7) is movably mounted at the outer side of each screw rod (12) and at the left side of the rotating sleeve, the inner chamber movable mounting of collar (3) has connecting bearing (5), the equal movable mounting in both ends about connecting bearing (5) has one end and collar (3) swing joint's sealing washer (4), the right side fixed mounting of sealing washer (4) has connecting plate (14), the equal fixed mounting in both ends about connecting plate (14) left has one end and connecting bearing (5) swing joint's inserted bar (19), the left side movable mounting of inserted bar (19) has one end and connecting bearing (5) swing joint's sealed pad (18), the equal fixed mounting in both ends about connecting plate (14) right side has spacing ring (17), the equal fixed mounting in both ends about left of pressure strip (10) has one end and spacing ring (17) swing joint's sliding block (15), the equal fixed mounting in both ends about sliding block (15) has fixture block (16) that quantity is two, the right side of the equipment body (1) is movably provided with a rotating shaft (11) with one end movably connected with the pressing plate (10).

2. A reducer outlet shaft seal assembly according to claim 1, wherein: the bayonet socket has been seted up on the right side of equipment body (1), and bayonet socket and collar (3) looks adaptation, collar (3) are the T font.

3. A reducer outlet shaft seal assembly according to claim 1, wherein: the right side of the rotating sleeve rod (8) is provided with a threaded hole, the threaded hole is matched with the screw rod (12), and the number of the clamping blocks (16) is four.

4. A reducer outlet shaft seal assembly according to claim 1, wherein: the upper end and the lower end on the right side of the connecting bearing (5) are both provided with clamping grooves, the clamping grooves are matched with the sealing gaskets (18), and the screw rod (12) and the mounting ring (3) are vertically mounted at ninety degrees.

5. A reducer outlet shaft seal assembly according to claim 1, wherein: the spout has been seted up on the right side of spacing ring (17), and spout and sliding block (15) looks adaptation, two screw rod (12) are the symmetric distribution with the perpendicular bisector of collar (3).

6. A reducer outlet shaft seal assembly according to claim 1, wherein: the right side of the movable loop bar (7) is provided with a through hole, the through hole is matched with the screw rod (12), and the rotating shaft (11) and the pressing plate (10) are vertically arranged at ninety degrees.